/* ==========================================================================
   SONA FIELD — "Signal Field"
   One neon (ice blue) on near-black. The signature is the field: iso-lines
   generated from the ARC four-lobed outline. Thin type, hairlines, pills.
   ========================================================================== */
@import url("/static/fonts/noto-sans-tc.css");
@font-face { font-family: "Geist Mono Local"; src: url("/static/fonts/geist-mono-latin.woff2") format("woff2"); font-weight: 100 900; font-display: swap;
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+2000-206F, U+2190-21FF, U+2212, U+2215, U+FEFF, U+FFFD; }
@font-face { font-family: "Space Grotesk Local"; src: url("/static/fonts/space-grotesk-latin-wght-normal.woff2") format("woff2"); font-weight: 300 700; font-display: swap; }

:root {
  --bg: #061219; --bg2: #0b1d28; --cell: rgba(6, 18, 25, .84); --cell2: rgba(12, 31, 42, .9); --gold: #d8c7a7; --gold-a: rgba(216, 199, 167, .45); --ink: #eaf6fb; --mute: #93a3ad; --dim: #7a8a94;
  --ice: #7fe3ff; --ice2: #c6f3ff; --ice-a: rgba(127, 227, 255, .5);
  --line: rgba(127, 227, 255, .13); --line2: rgba(127, 227, 255, .3);
  --sans: "Space Grotesk Local", "Noto Sans TC Local", system-ui, sans-serif;
  --mono: "Geist Mono Local", ui-monospace, "Cascadia Mono", Consolas, "Noto Sans TC Local", monospace;
  --pad: clamp(20px, 5vw, 88px); --ease: cubic-bezier(.2, .8, .1, 1);
  color-scheme: dark;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 100px; }
body { margin: 0; background: var(--bg); color: var(--ink); font: 16px/1.7 var(--sans); -webkit-font-smoothing: antialiased; overflow-x: clip; }
a { color: inherit; text-decoration: none; }
img, video, svg { display: block; max-width: 100%; }
img { height: auto; }
picture { display: block; }
h1, h2, h3, p, figure, dl, dd { margin: 0; }
h1, h2, h3 { font-weight: 300; line-height: 1.1; text-wrap: balance; }
h2 { font-size: clamp(30px, 3.6vw, 56px); letter-spacing: -.03em; }
html[lang="zh-Hant"] h1, html[lang="zh-Hant"] h2 { letter-spacing: 0; line-height: 1.28; }
h3 { font-weight: 400; }
p { color: var(--mute); max-width: 62ch; }
button, input, select, textarea { font: inherit; color: inherit; }
button { cursor: pointer; background: none; border: 0; min-height: 44px; }
:focus-visible { outline: 1px solid var(--ice); outline-offset: 4px; }
::selection { background: var(--ice); color: #001018; }
[hidden] { display: none !important; }
.sr { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); }
.c-mono { font-family: var(--mono); font-size: 11px; letter-spacing: .14em; text-transform: uppercase; }
.c-dim { color: var(--dim); }
.c-ice { color: var(--ice); }
.c-center { justify-content: center; text-align: center; }
.c-skip { position: fixed; left: 12px; top: -80px; z-index: 200; background: var(--ice); color: #001018; padding: 10px 16px; font-family: var(--mono); font-size: 12px; }
.c-skip:focus { top: 12px; }

/* ---- reticle cursor ---------------------------------------------------- */
.c-ret { position: fixed; left: 0; top: 0; z-index: 100; width: 42px; height: 42px; margin: -21px 0 0 -21px; border: 1px solid var(--ice-a); border-radius: 50%; pointer-events: none;
  transition: width .25s var(--ease), height .25s var(--ease), margin .25s var(--ease), background .25s, opacity .3s; mix-blend-mode: screen; opacity: 0; }
.c-ret::before, .c-ret::after { content: ""; position: absolute; background: var(--ice); opacity: .8; }
.c-ret::before { left: 50%; top: -7px; bottom: -7px; width: 1px; }
.c-ret::after { top: 50%; left: -7px; right: -7px; height: 1px; }
.c-ret.on { opacity: 1; }
.c-ret.hot { width: 72px; height: 72px; margin: -36px 0 0 -36px; background: rgba(127, 227, 255, .07); }
@media (pointer: coarse) { .c-ret { display: none; } }

/* ---- primitives -------------------------------------------------------- */
.c-idx { font-family: var(--mono); font-size: 11px; letter-spacing: .12em; color: var(--ice); }
.c-eyebrow, .c-kicker { display: flex; flex-wrap: wrap; align-items: center; gap: 8px 16px; max-width: none; font-family: var(--mono); font-size: 11px;
  letter-spacing: .16em; text-transform: uppercase; color: var(--ice); }
.c-eyebrow::before, .c-kicker::before { content: ""; width: 36px; height: 1px; background: var(--ice); }
.c-kicker { margin-bottom: 34px; }
.c-kicker.c-center::before { display: none; }
.c-eyebrow .c-idx { color: var(--dim); }
.c-lead { font-size: clamp(16px, 1.35vw, 19px); line-height: 1.8; }
.c-caption { font-family: var(--mono); font-size: 11px; letter-spacing: .06em; line-height: 1.8; color: var(--dim); margin-top: 18px; max-width: 80ch; }
.c-notice { font-size: 14px; line-height: 1.8; padding: 16px 18px; border: 1px solid var(--line); border-left: 1px solid var(--ice); background: rgba(127, 227, 255, .035); color: #b3c3cc; max-width: none; border-radius: 2px; }
.c-notice-y { border-left-color: #e8d39a; }
.c-notice-v { margin: 56px 0; padding: 26px 28px; }
.c-notice-v h2 { font-size: 22px; margin-bottom: 12px; color: var(--ink); font-weight: 400; }
.c-link { display: inline-flex; gap: 10px; align-items: center; min-height: 44px; font-size: 14px; color: var(--ice); position: relative; }
.c-link::after { content: ""; position: absolute; left: 0; right: 0; bottom: 8px; height: 1px; background: var(--line2); transform-origin: left; transition: background .3s; }
.c-link:hover::after { background: var(--ice); }
.c-status { --c: var(--ice); display: inline-flex; align-items: center; gap: 8px; width: fit-content; padding: 4px 11px 4px 9px; border-radius: 30px;
  font-family: var(--mono); font-size: 10.5px; letter-spacing: .1em; text-transform: uppercase; color: var(--c); border: 1px solid color-mix(in srgb, var(--c) 40%, transparent); white-space: nowrap; }
.c-status i { width: 5px; height: 5px; border-radius: 50%; background: var(--c); box-shadow: 0 0 8px var(--c); }
.s-prototype { --c: #a8f0dc; } .s-research { --c: #c2bbff; } .s-planned { --c: #a9bfd3; } .s-demo { --c: #e8d39a; }
.s-exploration { --c: #d0c2ff; } .s-hidden, .s-none, .s-archive { --c: #8f9ea8; }
.c-panel { position: relative; border: 1px solid var(--line); background: linear-gradient(180deg, rgba(127, 227, 255, .04), rgba(6, 18, 25, .55)); border-radius: 4px; }

.c-btn { display: inline-flex; align-items: center; justify-content: space-between; gap: 16px; min-height: 52px; padding: 14px 24px; border-radius: 60px;
  font-size: 14px; font-weight: 500; letter-spacing: .01em; transition: transform .3s var(--ease), background .3s, color .3s, box-shadow .3s; max-width: 100%; text-align: left; }
.c-btn i { font-style: normal; transition: transform .3s var(--ease); }
.c-btn:hover i { transform: translateX(4px); }
.c-btn-primary { background: var(--ice); color: #001018; }
.c-btn-primary:hover { background: #fff; transform: translateY(-2px); box-shadow: 0 10px 40px rgba(127, 227, 255, .25); }
.c-btn-ghost { color: var(--ink); box-shadow: inset 0 0 0 1px rgba(234, 246, 251, .28); }
.c-btn-ghost:hover { box-shadow: inset 0 0 0 1px var(--ice); color: var(--ice); }
.c-actions { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; margin-top: 30px; }
.c-row { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; }
.c-row > button:not(.c-btn), .c-controls button:not(.c-btn) { font-family: var(--mono); font-size: 11.5px; letter-spacing: .06em; padding: 8px 16px; border-radius: 30px; border: 1px solid var(--line2); transition: all .2s; }
.c-row > button[aria-pressed="true"] { background: var(--ice); color: #001018; border-color: var(--ice); }
.c-row > button:not(.c-btn):hover { border-color: var(--ice); }

/* ---- header ------------------------------------------------------------ */
.c-header { position: sticky; top: 0; z-index: 60; display: flex; align-items: center; gap: 30px; min-height: 72px; padding: 12px var(--pad);
  background: rgba(2, 4, 6, .72); backdrop-filter: blur(14px); border-bottom: 1px solid transparent; transition: border-color .3s, background .3s; }
.c-header.is-scrolled { border-bottom-color: var(--line); background: rgba(6, 18, 25, .82); backdrop-filter: blur(10px); }
.c-logo { display: inline-flex; align-items: center; gap: 12px; font-size: 18px; font-weight: 500; letter-spacing: -.02em; flex: none; }
.c-logo svg { width: 34px; fill: none; stroke: var(--ice); stroke-width: 1.6; }
.c-logo { gap: 10px; }
.c-logo-mark { height: 34px; width: auto; }
.c-logo-word { height: 28px; width: auto; }
.c-logo-foot img { width: 180px; height: auto; }
@media (max-width: 640px) { .c-logo-mark { height: 28px; } .c-logo-word { height: 24px; } }
@media (max-width: 360px) { .c-logo { gap: 6px; } .c-logo-mark { height: 22px; } .c-logo-word { height: 19px; } }
.c-nav { display: none; }
.c-tools { margin-left: auto; display: flex; gap: 8px; align-items: center; }
.c-lang { display: inline-flex; align-items: center; gap: 6px; min-height: 40px; padding: 0 14px; border-radius: 30px; border: 1px solid var(--line2); font-family: var(--mono); font-size: 11px; color: var(--dim); }
.c-lang .on { color: var(--ice); }
.c-lang:hover { border-color: var(--ice); }
.c-burger { width: 44px; height: 44px; display: grid; place-content: center; gap: 6px; border-radius: 50%; border: 1px solid var(--line2); }
.c-burger > i { display: block; width: 18px; height: 1px; background: var(--ink); transition: transform .3s, opacity .3s; }
.c-burger > i:nth-of-type(3) { display: none; }
.c-burger[aria-expanded="true"] > i:nth-of-type(1) { transform: translateY(3.5px) rotate(45deg); }
.c-burger[aria-expanded="true"] > i:nth-of-type(2) { transform: translateY(-3.5px) rotate(-45deg); }
.c-nav.is-open { display: flex; flex-direction: column; position: fixed; left: 0; right: 0; top: 72px; height: calc(100dvh - 72px); overflow-y: auto; z-index: 59;
  background: #061219; padding: 20px var(--pad) 40px; }
.c-nav.is-open .c-nav-g { border-bottom: 1px solid var(--line); padding: 16px 0; }
.c-nav.is-open .c-nav-a { display: flex; gap: 16px; align-items: baseline; font-size: 30px; font-weight: 300; letter-spacing: -.02em; min-height: 52px; }
.c-nav.is-open .c-nav-sub { display: flex; flex-wrap: wrap; gap: 4px 20px; padding-left: 46px; }
.c-nav.is-open .c-nav-sub a { font-size: 14px; color: var(--mute); min-height: 40px; display: flex; align-items: center; }
.c-nav-sub { display: none; }
.c-nav a[aria-current="page"] { color: var(--ice); }

/* ---- layout ------------------------------------------------------------ */
main { display: block; overflow-x: clip; }
.c-wrap { max-width: 1600px; margin: 0 auto; padding: 0 var(--pad); }
.p-home .c-wrap { max-width: none; padding: 0; }
.c-bar { display: flex; flex-direction: column; border-bottom: 1px solid var(--line); }
.c-crumbs { display: flex; flex-wrap: wrap; align-items: center; gap: 10px; padding: 18px 0 8px; font-family: var(--mono); font-size: 11px; letter-spacing: .08em; color: var(--dim); }
.c-crumbs a:hover { color: var(--ice); }
.c-crumbs [aria-current] { color: var(--ink); }
.c-level { color: var(--ice); border: 1px solid var(--line2); border-radius: 20px; padding: 0 8px; }
.c-subnav { display: flex; gap: 18px; align-items: center; overflow-x: auto; scrollbar-width: none; }
.c-subnav-k { display: none; font-family: var(--mono); font-size: 10.5px; letter-spacing: .16em; color: var(--dim); flex: none; }
.c-subnav > div { display: flex; gap: 24px; }
.c-subnav a { position: relative; display: flex; gap: 8px; align-items: center; min-height: 48px; font-size: 13.5px; color: var(--mute); white-space: nowrap; }
.c-subnav a .c-idx { opacity: .6; }
.c-subnav a:hover { color: var(--ink); }
.c-subnav a[aria-current="page"] { color: var(--ice); }
.c-subnav a[aria-current="page"]::after { content: ""; position: absolute; left: 0; right: 0; bottom: -1px; height: 1px; background: var(--ice); }
.c-intro { position: relative; max-width: 980px; padding: 70px 0 56px; isolation: isolate; }
.c-intro h1 { margin: 26px 0 26px; font-size: clamp(42px, 6vw, 96px); letter-spacing: -.045em; font-weight: 300; }
html[lang="zh-Hant"] .c-intro h1 { letter-spacing: 0; }
.c-field { display: block; pointer-events: none; }
.c-field-intro { position: absolute; z-index: -1; right: -40vw; top: -10px; width: 90vw; height: 520px; opacity: .55;
  mask-image: radial-gradient(ellipse 50% 50% at 50% 50%, #000 30%, transparent 75%); }
.c-split-hero .c-field-intro, .c-expd .c-field-intro { right: -10vw; width: 60vw; }
.c-sec { padding: clamp(90px, 14vh, 160px) 0 0; }
.p-home .c-sec { padding-left: var(--pad); padding-right: var(--pad); max-width: 1640px; margin: 0 auto; }
.c-shead { display: grid; gap: 22px 60px; padding: 0 0 48px; }
.c-shead h2 { margin-top: 22px; }
.c-shead-r { display: flex; flex-direction: column; gap: 18px; align-items: flex-start; align-self: end; }
.c-reveal { opacity: 0; transform: translateY(28px); transition: opacity 1s var(--ease), transform 1s var(--ease); }
.c-reveal.in { opacity: 1; transform: none; }

/* ---- home hero --------------------------------------------------------- */
.c-hero { position: relative; height: calc(100svh - 72px); min-height: 640px; overflow: hidden; }
.c-field-hero { position: absolute; inset: 0; width: 100%; height: 100%; }
.c-hero-obj { position: absolute; left: 50%; top: 44%; width: min(46vw, 680px); transform: translate(-50%, -50%); pointer-events: none; filter: drop-shadow(0 40px 50px #000); }
.c-hero-top { position: absolute; top: 26px; left: var(--pad); right: var(--pad); display: flex; justify-content: space-between; gap: 20px; color: var(--dim); }
.c-hero-copy { position: absolute; left: var(--pad); right: var(--pad); bottom: clamp(28px, 6vh, 72px); display: grid; grid-template-columns: 1fr auto; align-items: end; gap: 30px; }
.c-hero-h { font-weight: 300; font-size: clamp(44px, 8vw, 146px); line-height: .94; letter-spacing: -.06em; }
.c-hero-h > span:not(.dc) { display: block; color: transparent; -webkit-text-stroke: 1px rgba(234, 246, 251, .62); }
html[lang="zh-Hant"] .c-hero-h { letter-spacing: -.01em; line-height: 1.08; }
.c-hero-side { display: flex; flex-direction: column; align-items: flex-end; text-align: right; gap: 16px; max-width: 360px; }
.c-hero-side p { font-size: 14.5px; }
.c-hero-side .c-actions { margin-top: 0; justify-content: flex-end; }

/* statement */
.c-statement { font-weight: 300; font-size: clamp(30px, 4.4vw, 72px); line-height: 1.2; letter-spacing: -.035em; max-width: 18ch; }
html[lang="zh-Hant"] .c-statement { max-width: 15em; letter-spacing: 0; line-height: 1.4; }
.c-statement-s { font-size: clamp(28px, 3.4vw, 52px); max-width: 24ch; margin-bottom: 56px; }
.c-statement .w { opacity: .14; transition: opacity .5s; }
.c-statement .w.on { opacity: 1; }

/* pinned system sequence */
.c-seq { height: 340vh; position: relative; }
.c-seq-pin { position: sticky; top: 72px; height: calc(100svh - 72px); display: grid; grid-template-columns: minmax(280px, .8fr) 1.4fr; gap: 40px; align-items: center; padding: 0 var(--pad); overflow: hidden; max-width: 1640px; margin: 0 auto; }
.c-seq-steps { position: relative; height: 280px; margin-bottom: 10px; }
.c-seq-step { position: absolute; inset: 0; opacity: 0; transform: translateY(20px); transition: opacity .6s var(--ease), transform .6s var(--ease); pointer-events: none; }
.c-seq-step.on { opacity: 1; transform: none; pointer-events: auto; }
.c-seq-step b { display: block; font-weight: 400; color: var(--ice); margin-bottom: 16px; }
.c-seq-step h3 { font-weight: 300; font-size: clamp(30px, 3.4vw, 52px); letter-spacing: -.03em; line-height: 1.1; margin-bottom: 18px; }
.c-seq-step .c-status { margin-top: 18px; }
.c-seq-stage { position: relative; height: 70vh; }
.c-seq-stage svg { position: absolute; inset: 0; width: 100%; height: 100%; }
.c-seq-stage circle, .c-rings circle { fill: none; stroke: rgba(127, 227, 255, .17); vector-effect: non-scaling-stroke; }
.c-seq-stage .dash, .c-rings .dash { stroke-dasharray: 2 8; }
.c-seq-patch, .c-seq-hub, .c-seq-phone { position: absolute; left: 50%; top: 50%; will-change: transform; }
.c-seq-patch { width: 66%; filter: drop-shadow(0 30px 40px #000); }
.c-seq-hub { width: 50%; filter: drop-shadow(0 30px 40px #000); }
.c-seq-phone { width: 22%; border-radius: 22px; border: 1px solid var(--line2); opacity: 0; }
.c-seq-bar { position: absolute; left: var(--pad); bottom: 36px; display: flex; gap: 6px; }
.c-seq-bar i { width: 34px; height: 2px; background: rgba(127, 227, 255, .2); transition: background .4s; }
.c-seq-bar i.on { background: var(--ice); }

/* wear */
.c-wear { display: grid; gap: clamp(30px, 6vw, 100px); align-items: center; }
.c-wear h2 { margin: 0 0 24px; }
.c-wear p + p { margin-top: 16px; }
.c-wear .c-link { margin-top: 18px; }
.c-wear-media, .c-media { position: relative; overflow: hidden; border-radius: 4px; }
.c-wear-media img, .c-media img { width: 100%; object-fit: cover; }
.c-wear-media img { aspect-ratio: 1.05; filter: grayscale(.55) contrast(1.1) brightness(.85); }
.c-ripple { position: absolute; left: 51%; top: 66%; width: 150%; max-width: none; transform: translate(-50%, -50%); pointer-events: none; }
.c-ripple ellipse { fill: none; stroke: var(--ice); stroke-width: 1; opacity: .5; transform-origin: center; transform-box: fill-box; animation: ripple 6s linear infinite; }
.c-ripple ellipse:nth-child(2) { animation-delay: -2s; } .c-ripple ellipse:nth-child(3) { animation-delay: -4s; }
@keyframes ripple { from { transform: scale(.12); opacity: .85; } to { transform: scale(1); opacity: 0; } }
.c-graphite img { filter: grayscale(.85) brightness(.62) contrast(1.2); aspect-ratio: 1.6; }
.c-note { position: absolute; left: 14px; bottom: 14px; z-index: 5; font-family: var(--mono); font-size: 10.5px; letter-spacing: .06em; color: #fff; background: rgba(0, 0, 0, .55); backdrop-filter: blur(6px); padding: 5px 11px; border-radius: 20px; max-width: calc(100% - 28px); }

/* modes */
.c-modes-row { display: grid; grid-template-columns: 1fr 1fr; border-top: 1px solid var(--line); }
.c-mode { position: relative; min-height: 520px; padding: 50px 40px 46px 0; display: flex; flex-direction: column; justify-content: space-between; overflow: hidden; }
.c-mode + .c-mode { padding-left: 40px; border-left: 1px solid var(--line); }
.c-mode-big { font-weight: 300; font-size: clamp(72px, 10vw, 170px); letter-spacing: -.06em; line-height: .9; transition: color .4s; }
html[lang="zh-Hant"] .c-mode-big { letter-spacing: 0; }
.c-mode:hover .c-mode-big { color: var(--ice); }
.c-mode p { margin: 20px 0 10px; font-size: 15px; }
.c-mode-ring { position: absolute; right: 30px; top: 46px; width: 180px; height: 180px; border-radius: 50%; border: 1px solid rgba(127, 227, 255, .5); animation: breathe 8s ease-in-out infinite; }
.c-mode-ring::after { content: ""; position: absolute; inset: 22px; border-radius: 50%; border: 1px solid rgba(127, 227, 255, .22); }
.c-mode.is-focus .c-mode-ring { border-radius: 6px; animation: breathe2 5s ease-in-out infinite; }
.c-mode.is-focus .c-mode-ring::after { border-radius: 4px; }
@keyframes breathe { 50% { transform: scale(1.22); } }
@keyframes breathe2 { 0%, 100% { transform: rotate(45deg) scale(1); } 50% { transform: rotate(45deg) scale(1.14); } }

/* app */
.c-homeapp { display: grid; gap: 60px; align-items: center; }
.c-homeapp h2 { margin-bottom: 22px; }
.c-steps { list-style: none; padding: 0; margin: 36px 0 26px; counter-reset: st; }
.c-steps li { display: grid; grid-template-columns: 56px 1fr; padding: 20px 0; border-top: 1px solid var(--line); transition: padding .3s var(--ease); }
.c-steps li:hover { padding-left: 8px; }
.c-steps li::before { counter-increment: st; content: "0" counter(st); grid-row: 1 / span 2; font-family: var(--mono); font-size: 12px; color: var(--ice); padding-top: 6px; }
.c-steps strong { font-weight: 400; font-size: 21px; }
.c-steps small { grid-column: 2; color: var(--mute); font-size: 14px; }
.c-homeapp .c-caption { margin-bottom: 24px; }
.c-phone-shot { justify-self: center; width: min(300px, 72vw); padding: 10px; border-radius: 40px; background: #0a1116;
  box-shadow: 0 0 0 1px rgba(127, 227, 255, .25), 0 50px 100px rgba(0, 0, 0, .8), 0 0 120px rgba(127, 227, 255, .12); }
.c-phone-shot img { border-radius: 30px; }
.c-phone-shot small { display: block; padding: 12px 8px 4px; font-family: var(--mono); font-size: 10px; letter-spacing: .04em; color: var(--dim); }

/* signal board */
.c-board { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); }
.c-cell { background: var(--cell); padding: 30px 24px 26px; min-height: 250px; display: flex; flex-direction: column; justify-content: space-between; gap: 30px; }
.c-cell h3 { font-size: 19px; margin: 10px 0 6px; }
.c-cell small { color: var(--mute); font-size: 13.5px; line-height: 1.6; }
.c-bars { display: flex; gap: 5px; align-items: flex-end; height: 46px; }
.c-bars i { width: 8px; background: rgba(127, 227, 255, .14); }
.c-bars i:nth-child(1) { height: 25%; } .c-bars i:nth-child(2) { height: 50%; } .c-bars i:nth-child(3) { height: 75%; } .c-bars i:nth-child(4) { height: 100%; }
.c-bars i.on { background: var(--ice); box-shadow: 0 0 12px rgba(127, 227, 255, .55); }
.c-legend { display: flex; flex-wrap: wrap; gap: 10px 26px; margin-top: 22px; color: var(--dim); }
.c-home-links { margin-top: 40px; }

/* reserve hero */
.c-reserve-hero { text-align: center; overflow: hidden; }
.c-reserve-hero p { margin: 28px auto 6px; font-size: 16px; }
.c-reserve-hero .c-actions { justify-content: center; }
.c-reserve-hero small { display: block; margin-top: 22px; }
.c-bigprice { font-weight: 300; font-size: clamp(120px, 26vw, 420px); letter-spacing: -.08em; line-height: .85;
  background: linear-gradient(180deg, #fff 20%, rgba(127, 227, 255, .12)); -webkit-background-clip: text; background-clip: text; color: transparent; }

/* ---- shared components -------------------------------------------------- */
.c-stage { position: relative; aspect-ratio: 1 / .78; margin: 0; isolation: isolate; }
.c-rings { position: absolute; inset: 0; width: 100%; height: 100%; }
.c-stage-patch { position: absolute; width: 50%; left: 4%; top: 58%; z-index: 3; z-index: 2; filter: drop-shadow(0 26px 30px rgba(0, 0, 0, .8)); animation: float 8s ease-in-out infinite; }
.c-stage-hub { position: absolute; width: 64%; right: 4%; top: 8%; z-index: 2; filter: drop-shadow(0 20px 26px rgba(0, 0, 0, .8)); animation: float 8s ease-in-out -4s infinite; }
@keyframes float { 50% { transform: translateY(-8px); } }
.c-stage figcaption { position: absolute; left: 0; bottom: 0; color: var(--dim); font-size: 10px; letter-spacing: .08em; }
.c-split-hero { display: grid; gap: 20px; align-items: center; }

.c-mods { display: grid; gap: 1px; background: var(--line); border: 1px solid var(--line); }
.c-mod { display: flex; flex-direction: column; background: var(--cell); transition: background .4s; }
.c-mod:hover { background: var(--cell2); }
.c-mod-media { position: relative; height: 240px; display: grid; place-items: center; padding: 24px;
  background: radial-gradient(circle at 50% 55%, transparent 0 70px, rgba(127, 227, 255, .14) 71px, transparent 72px, transparent 110px, rgba(127, 227, 255, .09) 111px, transparent 112px); }
.c-mod-media picture img { max-height: 160px; width: auto; filter: drop-shadow(0 18px 20px rgba(0, 0, 0, .7)); }
.c-mod-phone { height: 190px; width: auto; border: 1px solid var(--line2); border-radius: 16px; }
.c-mod-id { position: absolute; left: 18px; top: 16px; font-family: var(--mono); font-size: 10.5px; letter-spacing: .1em; color: var(--dim); }
.c-mod-body { padding: 24px 24px 28px; display: flex; flex-direction: column; gap: 12px; flex: 1; }
.c-mod-body h3 { font-size: 24px; font-weight: 300; }
.c-mod-body p { font-size: 14px; flex: 1; }
.c-alert { margin-top: 26px; display: grid; gap: 12px; padding: 20px 22px; border: 1px dashed rgba(208, 194, 255, .4); border-radius: 4px; }
.c-alert p { font-size: 14px; }
.c-macro { margin-top: clamp(80px, 12vh, 140px); overflow: hidden; }
.c-macro img { width: 100%; aspect-ratio: 1.6; object-fit: cover; filter: grayscale(.85) brightness(.6) contrast(1.2); }
.c-macro-copy { padding: 26px 22px; position: relative; z-index: 2; }
.c-macro-copy h2 { margin: 18px 0; }
.c-macro-copy p { margin-bottom: 24px; }

.c-scenes { display: grid; grid-auto-flow: column; grid-auto-columns: minmax(250px, 80%); gap: 18px; overflow-x: auto; scroll-snap-type: x mandatory; padding-bottom: 12px; scrollbar-width: thin; scrollbar-color: var(--line2) transparent; }
.c-scene { scroll-snap-align: start; display: flex; flex-direction: column; gap: 10px; min-width: 0; }
.c-scene-media { position: relative; overflow: hidden; aspect-ratio: 4 / 3; border-radius: 4px; }
.c-scene-media img { width: 100%; height: 100%; object-fit: cover; filter: grayscale(.45) brightness(.82) contrast(1.05); transition: transform .9s var(--ease), filter .5s; }
.c-scene.is-render .c-scene-media img { filter: grayscale(.85) brightness(.55) contrast(1.2); }
.c-scene-media > span { position: absolute; left: 10px; bottom: 10px; z-index: 2; font-family: var(--mono); font-size: 10px; letter-spacing: .06em; color: #fff; background: rgba(0, 0, 0, .55); padding: 3px 9px; border-radius: 20px; }
.c-scene:hover .c-scene-media img { transform: scale(1.04); filter: grayscale(0) brightness(.92); }
.c-scene h3 { font-size: 20px; font-weight: 400; }
.c-scene p { font-size: 13.5px; }

/* explorer */
.c-explorer { display: grid; gap: 26px; }
.c-viewport { min-height: 420px; overflow: hidden; border-radius: 4px;
  background: radial-gradient(circle at 50% 55%, rgba(127, 227, 255, .08), transparent 60%), rgba(4, 13, 19, .86); }
.c-vp-label { position: absolute; left: 22px; right: 22px; top: 18px; z-index: 6; display: flex; flex-wrap: wrap; justify-content: space-between; gap: 8px;
  font-family: var(--mono); font-size: 10px; letter-spacing: .06em; color: var(--dim); }
.c-vp-poster { position: absolute; inset: 60px 6% 70px; display: grid; place-items: center; z-index: 1; }
.c-vp-poster picture { width: 100%; height: 100%; }
.c-vp-poster img { width: 100%; height: 100%; object-fit: contain; filter: saturate(.7); }
.c-vp-canvas { position: absolute; inset: 0; z-index: 2; touch-action: pan-y; }
.c-vp-canvas canvas { width: 100% !important; height: 100% !important; display: block; cursor: grab; }
.c-vp-overlay { position: absolute; inset: 0; z-index: 5; display: flex; align-items: flex-end; justify-content: center; padding-bottom: 70px; }
.c-explorer.is-live .c-vp-overlay, .c-explorer.is-live .c-vp-poster { display: none; }
.c-vp-status { position: absolute; left: 22px; right: 22px; bottom: 18px; z-index: 6; text-align: center; font-family: var(--mono); font-size: 10.5px; letter-spacing: .06em; color: var(--dim); max-width: none; pointer-events: none; }
.c-vp-corners { position: absolute; inset: 12px; z-index: 6; pointer-events: none;
  background: linear-gradient(var(--ice-a), var(--ice-a)) top left / 16px 1px, linear-gradient(var(--ice-a), var(--ice-a)) top left / 1px 16px,
    linear-gradient(var(--ice-a), var(--ice-a)) top right / 16px 1px, linear-gradient(var(--ice-a), var(--ice-a)) top right / 1px 16px,
    linear-gradient(var(--ice-a), var(--ice-a)) bottom left / 16px 1px, linear-gradient(var(--ice-a), var(--ice-a)) bottom left / 1px 16px,
    linear-gradient(var(--ice-a), var(--ice-a)) bottom right / 16px 1px, linear-gradient(var(--ice-a), var(--ice-a)) bottom right / 1px 16px; background-repeat: no-repeat; }
.c-controls { display: flex; flex-direction: column; gap: 18px; }
.c-slider-l { display: flex; justify-content: space-between; font-family: var(--mono); font-size: 11.5px; letter-spacing: .06em; }
.c-slider-l output { color: var(--ice); }
input[type="range"] { width: 100%; accent-color: var(--ice); min-height: 36px; margin: 0; }
.c-parts { display: flex; flex-direction: column; border-top: 1px solid var(--line); }
.c-controls .c-parts button { display: flex; align-items: center; gap: 16px; text-align: left; border: 0; border-radius: 0; border-bottom: 1px solid var(--line); padding: 15px 6px; font-family: var(--sans); font-size: 15px; letter-spacing: 0; }
.c-parts button i { margin-left: auto; font-style: normal; color: var(--ice); }
.c-parts button[aria-pressed="true"] { color: var(--ice); }
.c-part-info h2 { font-size: 22px; margin-bottom: 10px; font-weight: 400; }
.c-part-info p { font-size: 14px; min-height: 72px; }

/* app preview */
.c-app { margin: 10px 0 40px; }
.c-app-tabs { display: flex; gap: 6px; border-bottom: 1px solid var(--line); padding-bottom: 10px; overflow-x: auto; scrollbar-width: none; }
.c-app-tabs button { flex: none; display: flex; gap: 8px; align-items: center; font-size: 14px; color: var(--mute); padding: 8px 16px; border-radius: 30px; }
.c-app-tabs button[aria-selected="true"] { color: #001018; background: var(--ice); }
.c-app-tabs button[aria-selected="true"] .c-idx { color: #001018; }
.c-app-grid { display: grid; gap: 40px; align-items: center; padding: 40px 0; }
.c-phone { width: 100%; max-width: 330px; min-height: 600px; margin: auto; display: flex; flex-direction: column; padding: 12px 15px 10px; border-radius: 40px; background: #070d12;
  box-shadow: 0 0 0 1px rgba(127, 227, 255, .25), 0 50px 100px rgba(0, 0, 0, .8), 0 0 100px rgba(127, 227, 255, .1); }
.c-phone-top { display: flex; justify-content: space-between; padding: 4px 10px 12px; font-family: var(--mono); font-size: 11px; }
.c-phone-ribbon { text-align: center; font-family: var(--mono); font-size: 10px; letter-spacing: .06em; padding: 6px; color: #e8d39a; border: 1px dashed rgba(232, 211, 154, .4); border-radius: 20px; }
.c-phone-body { flex: 1; padding: 22px 4px 4px; display: flex; flex-direction: column; gap: 14px; }
.c-phone-body h3 { font-size: 26px; font-weight: 300; }
.c-phone-body p { font-size: 12.5px; }
.c-phone-body .c-btn { width: 100%; justify-content: center; font-size: 13px; }
.c-ph-dev { display: grid; place-items: center; height: 140px; font-size: 56px; font-weight: 300; letter-spacing: -.04em; color: var(--ice); }
.c-ph-row { display: flex; gap: 8px; align-items: center; font-family: var(--mono); font-size: 11px; color: #a8f0dc; padding: 10px 12px; border: 1px solid rgba(168, 240, 220, .3); border-radius: 20px; }
.c-ph-row i { width: 6px; height: 6px; border-radius: 50%; background: #a8f0dc; }
.c-ph-opt { display: flex; flex-direction: column; gap: 10px; padding: 22px 18px; text-align: left; border: 1px solid var(--line2); border-radius: 18px; font-size: 26px; font-weight: 300; transition: all .2s; }
.c-ph-opt small { font-family: var(--mono); font-size: 10px; color: var(--mute); }
.c-ph-opt:hover, .c-ph-opt[aria-pressed="true"] { background: var(--ice); color: #001018; }
.c-ph-opt:hover small, .c-ph-opt[aria-pressed="true"] small { color: #0a3a4a; }
.c-ph-clock { width: 200px; height: 200px; margin: 6px auto; border-radius: 50%; display: grid; place-items: center; border: 1px solid var(--ice-a);
  box-shadow: 0 0 0 10px rgba(127, 227, 255, .04), 0 0 50px rgba(127, 227, 255, .15); font-family: var(--mono); font-size: 34px; }
.c-phone-body textarea { width: 100%; min-height: 140px; padding: 12px; background: #020406; border: 1px solid var(--line2); border-radius: 12px; color: var(--ink); }
.c-app-side h2 { margin: 18px 0; }
.c-app-side .c-notice { margin-top: 22px; }
.c-video { margin-top: 20px; border: 1px solid var(--line); border-radius: 4px; padding: 12px 16px; }
.c-video summary { cursor: pointer; font-size: 14px; color: var(--ice); min-height: 30px; }
.c-video video { width: 100%; margin: 12px 0 6px; border-radius: 4px; }
.c-video small { font-family: var(--mono); font-size: 10.5px; color: var(--dim); }
.c-shots { display: grid; grid-auto-flow: column; grid-auto-columns: minmax(150px, 44%); gap: 16px; overflow-x: auto; margin-top: 22px; padding-bottom: 10px; }
.c-shot img { border-radius: 20px; border: 1px solid var(--line2); }
.c-shot figcaption { font-family: var(--mono); font-size: 11px; letter-spacing: .06em; color: var(--dim); padding-top: 10px; }

/* cards / related */
.c-cards { display: grid; gap: 1px; background: var(--line); border: 1px solid var(--line); }
.c-card { position: relative; display: grid; grid-template-columns: 1fr auto; gap: 6px 16px; padding: 24px 24px 26px; background: var(--cell); transition: background .35s; min-width: 0; }
.c-card:hover { background: var(--cell2); }
.c-card .c-idx { grid-column: 1; }
.c-card strong { grid-column: 1; font-size: 20px; font-weight: 400; line-height: 1.3; }
.c-card small { grid-column: 1; font-size: 13.5px; color: var(--mute); line-height: 1.6; }
.c-card > i { grid-column: 2; grid-row: 1 / span 3; align-self: center; font-style: normal; color: var(--ice); font-size: 18px; transition: transform .3s var(--ease); }
.c-card:hover > i { transform: translate(3px, -3px); }
.c-related { margin: 90px 0 0; display: flex; flex-direction: column; gap: 22px; }
.c-cards-2 { margin: 10px 0 40px; }
.c-cardcol { display: grid; gap: 1px; }

/* specs */
.c-specvis { display: flex; align-items: center; justify-content: center; gap: 5%; padding: 50px 24px 60px; min-height: 260px; }
.c-specvis picture:first-child { width: 50%; } .c-specvis picture:nth-child(2) { width: 40%; }
.c-specvis img { filter: drop-shadow(0 18px 24px rgba(0, 0, 0, .7)); }
.c-spec { margin-top: 20px; padding: 0 22px; }
.c-spec-row { display: grid; grid-template-columns: 34px 1fr; gap: 10px 14px; padding: 22px 0; border-bottom: 1px solid var(--line); align-items: start; }
.c-spec-row:last-child { border-bottom: 0; }
.c-spec-row h2 { font-size: 20px; font-weight: 400; letter-spacing: 0; line-height: 1.4; }
.c-spec-row > div, .c-spec-row > p { grid-column: 2; }
.c-spec-row p { font-size: 14.5px; }
.c-spec-th { display: none; }

/* pipeline */
.c-pipe { list-style: none; padding: 0; margin: 10px 0 30px; display: grid; gap: 1px; background: var(--line); border: 1px solid var(--line); position: relative; }
.c-pipe li { display: flex; flex-direction: column; gap: 10px; padding: 34px 24px 26px; align-items: flex-start; background: var(--cell); border: 0; border-radius: 0; }
.c-pipe h2 { font-size: 34px; }
.c-pipe h3 { font-size: 16px; color: var(--ice); }
.c-pipe p { font-size: 14px; flex: 1; }
.c-node { position: absolute; left: 24px; top: 14px; width: 8px; height: 8px; border-radius: 50%; background: var(--ice); box-shadow: 0 0 0 6px rgba(127, 227, 255, .12); }

/* lab */
.c-hubs { display: grid; gap: 18px; margin-bottom: 20px; }
.c-hubc { display: flex; flex-direction: column; overflow: hidden; }
.c-hubc img { width: 100%; aspect-ratio: 1.5; object-fit: cover; transition: transform .9s var(--ease); }
.c-hubc:hover img { transform: scale(1.04); }
.c-hubc figcaption { display: flex; flex-direction: column; padding: 14px 18px 18px; border-top: 1px solid var(--line); }
.c-hubc strong { font-weight: 400; }
.c-hubc small { font-family: var(--mono); font-size: 11px; color: var(--dim); }
.c-hubc.is-earlier img { filter: saturate(.6) brightness(.8); }
.c-notes a { display: grid; grid-template-columns: 1fr auto; gap: 8px; padding: 24px 6px; border-bottom: 1px solid var(--line); align-items: center; transition: padding .3s var(--ease); }
.c-notes a:hover { padding-left: 14px; }
.c-notes time, .c-notes small { font-family: var(--mono); font-size: 11px; color: var(--dim); }
.c-tagline { font-family: var(--mono); font-size: 10.5px; color: var(--ice); border: 1px solid var(--line2); border-radius: 20px; padding: 2px 10px; width: fit-content; }
.c-notes h3 { grid-column: 1; font-size: clamp(20px, 2.2vw, 30px); font-weight: 300; }
.c-notes a > i { grid-column: 2; grid-row: 2; font-style: normal; color: var(--ice); font-size: 20px; }
.c-question { padding: 44px 26px; margin: 80px 0 0; }
.c-question h2 { margin: 20px 0; }

/* experience */
.c-modes { display: grid; gap: 18px; }
.c-mode-card, .c-modes .c-mode { min-height: 0; padding: 0; border: 1px solid var(--line); border-radius: 4px; }
.c-modes .c-mode + .c-mode { padding-left: 0; border-left: 1px solid var(--line); }
.c-mode-media { position: relative; overflow: hidden; }
.c-mode-media img { aspect-ratio: 1.4; width: 100%; object-fit: cover; filter: grayscale(.4) brightness(.8); transition: transform .9s var(--ease); }
.c-modes .c-mode:hover img { transform: scale(1.03); }
.c-pulse { position: absolute; right: 22px; top: 22px; width: 64px; height: 64px; border-radius: 50%; border: 1px solid var(--ice); animation: breathe 6s ease-in-out infinite; }
.is-focus .c-pulse { border-radius: 4px; animation: breathe2 5s ease-in-out infinite; }
.c-mode-body { padding: 24px; }
.c-mode-body h2 { display: flex; justify-content: space-between; margin: 16px 0; font-size: clamp(40px, 5vw, 72px); }
.c-mode-body h2 i { font-style: normal; color: var(--ice); font-size: 26px; }
.c-chips { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 18px; }
.c-chips span { font-family: var(--mono); font-size: 10.5px; letter-spacing: .06em; padding: 4px 11px; border-radius: 20px; border: 1px solid var(--line2); color: var(--ice); }
.c-expd { display: grid; gap: 36px; align-items: start; }
.c-expd .c-media img { aspect-ratio: 1.5; filter: grayscale(.4) brightness(.85); }
.c-rhythm { padding: 30px 20px; text-align: center; }
.c-rhythm .c-eyebrow { justify-content: center; }
.c-rhythm .c-eyebrow::before { display: none; }
.c-breath { position: relative; width: min(290px, 74vw); aspect-ratio: 1; margin: 40px auto; }
.c-breath svg { position: absolute; inset: 0; transform: rotate(-90deg); }
.c-breath .track { fill: none; stroke: rgba(127, 227, 255, .14); stroke-width: 1; }
.c-breath .prog { fill: none; stroke: var(--ice); stroke-width: 2; stroke-dasharray: 578; stroke-dashoffset: 578; transition: stroke-dashoffset 1s linear; }
.c-breath-core { position: absolute; inset: 20%; border-radius: 50%; border: 1px solid rgba(127, 227, 255, .45);
  background: radial-gradient(circle, rgba(127, 227, 255, .16), transparent 70%); transform: scale(.72); transition: transform 4s ease-in-out; }
.is-focus .c-breath-core { border-radius: 10%; }
.c-breath-core.in { transform: scale(1.06); }
.c-breath-text { position: absolute; inset: 0; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 10px; }
.c-breath-text strong { font-weight: 300; font-size: 52px; letter-spacing: -.04em; font-variant-numeric: tabular-nums; }
.c-breath-text span { font-family: var(--mono); font-size: 12px; color: var(--ice); }
.c-audio { display: flex; flex-wrap: wrap; gap: 16px; justify-content: center; align-items: center; margin: 22px 0 6px; font-family: var(--mono); font-size: 11.5px; }
.c-audio label { display: flex; align-items: center; gap: 8px; }
.c-audio input[type="range"] { width: 140px; }

/* early access & forms */
.c-priceblock { padding: 30px 26px; display: flex; flex-direction: column; gap: 10px; }
.c-price { font-weight: 300; font-size: clamp(80px, 10vw, 150px); letter-spacing: -.07em; line-height: .95;
  background: linear-gradient(180deg, #fff 30%, rgba(127, 227, 255, .3)); -webkit-background-clip: text; background-clip: text; color: transparent; }
.c-priceblock p { font-family: var(--mono); font-size: 11px; letter-spacing: .06em; }
.c-flow { margin: 30px 0 56px; }
.c-flow ol { list-style: none; padding: 0; margin: 18px 0 0; display: grid; gap: 1px; background: var(--line); border: 1px solid var(--line); }
.c-flow li { padding: 24px; display: flex; flex-direction: column; gap: 6px; background: var(--cell); border: 0; border-radius: 0; }
.c-flow strong { font-size: 20px; font-weight: 400; }
.c-flow small { color: var(--mute); font-size: 13.5px; }
.c-reserve { display: grid; gap: 40px; margin: 20px 0 60px; }
.c-info section { margin-bottom: 34px; }
.c-info h2 { font-size: 24px; margin-bottom: 12px; font-weight: 400; }
.c-info p { font-size: 15px; }
.c-lookup { margin-top: 36px; padding-top: 24px; border-top: 1px solid var(--line); }
.c-lookup h3 { font-size: 18px; margin-bottom: 10px; }
.c-reserve-art { padding: 24px; display: flex; flex-direction: column; gap: 28px; align-items: stretch; }
.c-reserve-art .c-btn { align-self: flex-start; }
.c-form { display: flex; flex-direction: column; gap: 12px; padding: 26px; align-self: start; }
.c-form label:not(.c-check) { font-family: var(--mono); font-size: 11px; letter-spacing: .1em; text-transform: uppercase; color: var(--ice); margin-top: 8px; }
.c-form input:not([type="checkbox"]):not([type="range"]), .c-form select, .c-form textarea {
  width: 100%; min-height: 52px; padding: 12px 16px; color: var(--ink); background: #03070a; border: 1px solid var(--line2); border-radius: 10px; transition: border-color .2s, box-shadow .2s; }
.c-form input:focus, .c-form select:focus, .c-form textarea:focus { outline: none; border-color: var(--ice); box-shadow: 0 0 0 4px rgba(127, 227, 255, .12); }
.c-form [aria-invalid="true"] { border-color: #ffb0a3 !important; }
.c-check { display: flex; gap: 12px; align-items: flex-start; font-size: 13px; line-height: 1.8; color: var(--mute); margin: 8px 0; }
.c-check input { width: 18px; height: 18px; margin-top: 4px; accent-color: var(--ice); flex: none; }
.c-check a { color: var(--ice); text-decoration: underline; }
.c-inline { display: flex; flex-direction: column; gap: 10px; }
.c-msg { font-family: var(--mono); font-size: 12px; min-height: 18px; max-width: none; }
.c-msg.ok { color: #a8f0dc; } .c-msg.bad { color: #ffb0a3; }
.c-stepper { list-style: none; margin: 0 0 10px; padding: 0; display: grid; grid-template-columns: repeat(3, 1fr); gap: 6px; }
.c-stepper li { font-family: var(--mono); font-size: 11px; padding: 10px 0 0; border-top: 2px solid var(--line); color: var(--dim); display: flex; flex-direction: column; gap: 2px; }
.c-stepper li.done { border-color: rgba(127, 227, 255, .45); color: var(--mute); }
.c-stepper li.on { border-color: var(--ice); color: var(--ink); }
.c-pay { max-width: 840px; margin: 10px auto 70px; padding: 30px; display: flex; flex-direction: column; gap: 18px; }
.c-dl > div { display: grid; gap: 4px; padding: 14px 0; border-bottom: 1px solid var(--line); }
.c-dl dt { font-family: var(--mono); font-size: 11px; letter-spacing: .06em; color: var(--dim); }
.c-dl dd { font-family: var(--mono); font-size: 15px; word-break: break-all; }
.c-acts { display: flex; flex-wrap: wrap; gap: 10px; }
.c-paystate { display: flex; align-items: center; gap: 14px; font-weight: 300; font-size: clamp(26px, 3.4vw, 42px); letter-spacing: -.02em; }
.c-paystate i { width: 10px; height: 10px; border-radius: 50%; background: var(--dim); }
.c-paystate[data-s="paid"] { color: #a8f0dc; } .c-paystate[data-s="paid"] i { background: #a8f0dc; box-shadow: 0 0 14px #a8f0dc; }
.c-paystate[data-s="processing"], .c-paystate[data-s="created"], .c-paystate[data-s="refund_pending"] { color: #e8d39a; }
.c-paystate[data-s="processing"] i, .c-paystate[data-s="created"] i { background: #e8d39a; animation: blink 1.2s steps(2) infinite; }
.c-paystate[data-s="failed"], .c-paystate[data-s="canceled"], .c-paystate[data-s="expired"], .c-paystate[data-s="refunded"] { color: #ffb0a3; }
.c-paystate[data-s="failed"] i, .c-paystate[data-s="refunded"] i, .c-paystate[data-s="canceled"] i, .c-paystate[data-s="expired"] i { background: #ffb0a3; }
@keyframes blink { 50% { opacity: .25; } }
.c-faq { max-width: 1000px; margin: 80px auto 0; }
.c-faq > h2 { margin-bottom: 26px; }
.c-faq > .c-notice { margin-bottom: 18px; }
.c-faq details { border-top: 1px solid var(--line); }
.c-faq details:last-of-type { border-bottom: 1px solid var(--line); margin-bottom: 18px; }
.c-faq summary { list-style: none; display: flex; gap: 16px; align-items: center; min-height: 72px; padding: 14px 4px; cursor: pointer; font-size: 17px; }
.c-faq summary::-webkit-details-marker { display: none; }
.c-faq summary > span:nth-child(2) { flex: 1; }
.c-faq summary i { font-style: normal; font-size: 22px; font-weight: 300; color: var(--ice); transition: transform .3s; }
.c-faq details[open] summary i { transform: rotate(45deg); }
.c-faq details p { padding: 0 34px 24px 52px; font-size: 15px; }
.c-sub { display: grid; gap: 26px; padding: 36px 24px; margin: 80px 0 0; }
.c-sub h2 { margin: 18px 0; }

/* article */
.c-article { max-width: 900px; margin: 50px auto 0; }
.c-article h1 { margin: 24px 0; font-size: clamp(36px, 4.6vw, 66px); letter-spacing: -.04em; }
html[lang="zh-Hant"] .c-article h1 { letter-spacing: 0; }
.c-meta { display: flex; flex-wrap: wrap; gap: 8px 22px; font-family: var(--mono); font-size: 11px; letter-spacing: .06em; color: var(--dim); padding: 14px 0; margin-bottom: 34px; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.c-article > section { margin-top: 46px; }
.c-article section h2 { display: flex; gap: 16px; align-items: baseline; font-size: 28px; margin-bottom: 16px; }
.c-article section p { font-size: 16.5px; line-height: 1.95; max-width: 75ch; }
.c-article section .c-link { margin-top: 12px; }
.c-404 { min-height: 60vh; padding: 90px 0; }
.c-404 h1 { font-size: clamp(120px, 22vw, 280px); font-weight: 300; letter-spacing: -.08em; margin: 10px 0; color: transparent; -webkit-text-stroke: 1px var(--ice); }

/* join + footer */
.c-join { display: grid; gap: 34px; padding: 50px 26px; margin: 100px 0 0; overflow: hidden; }
.c-join h2 { margin: 22px 0; }
.c-join-r { display: flex; flex-direction: column; align-items: flex-start; gap: 14px; }
.c-footer { margin-top: 120px; padding: 60px var(--pad) 28px; border-top: 1px solid var(--line); }
.c-footer-top { display: grid; gap: 40px; }
.c-footer-top p { margin-top: 16px; font-size: 22px; font-weight: 300; color: var(--ink); }
.c-fmap { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 26px 20px; }
.c-fmap > div { display: flex; flex-direction: column; }
.c-fmap a, .c-fhead { min-height: 34px; display: flex; align-items: center; gap: 8px; font-size: 13.5px; color: var(--mute); }
.c-fmap a:hover { color: var(--ice); }
.c-fhead { color: var(--ink); }
.c-footer-bot { display: flex; flex-direction: column; gap: 12px; margin-top: 44px; padding-top: 22px; border-top: 1px solid var(--line); font-family: var(--mono); font-size: 11px; letter-spacing: .06em; color: var(--dim); }
.c-blink { display: flex; align-items: center; gap: 8px; }
.c-blink i { width: 5px; height: 5px; border-radius: 50%; background: #e8d39a; }
.c-footer-bot button { font-family: var(--mono); font-size: 11px; color: var(--dim); text-align: left; padding: 0; }
.c-footer-bot button:hover { color: var(--ice); }

/* ---- ≥ 720 --------------------------------------------------------------- */
@media (min-width: 720px) {
  .c-bar { flex-direction: row; justify-content: space-between; align-items: center; gap: 30px; }
  .c-crumbs { padding: 14px 0; }
  .c-subnav-k { display: block; }
  .c-shead { grid-template-columns: 1.3fr 1fr; align-items: end; }
  .c-shead-l { grid-column: 1; }
  .c-mods { grid-template-columns: repeat(3, 1fr); }
  .c-wear { grid-template-columns: 1.3fr 1fr; }
  .c-scenes { grid-auto-columns: minmax(250px, 46%); }
  .c-homeapp { grid-template-columns: 1fr 1fr; }
  .c-cards { grid-template-columns: repeat(3, 1fr); }
  .c-cards-2 { grid-template-columns: 1fr 1fr; }
  .c-app-grid { grid-template-columns: 1fr 1fr; gap: 60px; }
  .c-shots { grid-auto-flow: row; grid-template-columns: repeat(4, 1fr); overflow: visible; }
  .c-modes { grid-template-columns: 1fr 1fr; }
  .c-hubs { grid-template-columns: 1fr 1fr; }
  .c-notes a { grid-template-columns: 110px 90px 1fr 30px; gap: 22px; }
  .c-notes h3 { grid-column: 3; } .c-notes a > i { grid-column: 4; grid-row: 1; } .c-notes small { grid-column: 3; }
  .c-pipe { grid-template-columns: 1fr 1fr; }
  .c-flow ol { grid-template-columns: repeat(3, 1fr); }
  .c-reserve { grid-template-columns: 1fr 1fr; gap: 60px; }
  .c-split-hero { grid-template-columns: 1.2fr .8fr; gap: 40px; }
  .c-sub { grid-template-columns: 1fr 1.2fr; gap: 56px; padding: 48px 44px; }
  .c-inline { flex-direction: row; } .c-inline input { flex: 1; }
  .c-join { grid-template-columns: 1.3fr .7fr; padding: 60px 52px; align-items: center; }
  .c-join-r { justify-self: end; }
  .c-fmap { grid-template-columns: repeat(5, minmax(0, 1fr)); }
  .c-footer-bot { flex-direction: row; justify-content: space-between; align-items: center; flex-wrap: wrap; }
  .c-dl > div { grid-template-columns: 170px 1fr; }
  .c-spec { padding: 0 30px; }
  .c-spec-row { grid-template-columns: 40px 1fr 200px 1.7fr; gap: 20px; align-items: center; }
  .c-spec-row > div, .c-spec-row > p { grid-column: auto; }
  .c-spec-th { display: grid; font-family: var(--mono); font-size: 10.5px; letter-spacing: .14em; color: var(--dim); text-transform: uppercase; }
}
/* ---- ≥ 1080 -------------------------------------------------------------- */
@media (min-width: 1080px) {
  .c-nav { display: flex; margin-left: auto; gap: 6px; align-items: center; }
  .c-nav-g { position: relative; }
  .c-nav-a { display: flex; gap: 8px; align-items: center; min-height: 44px; padding: 0 14px; font-size: 13.5px; color: #c9d6dd; transition: color .2s; }
  .c-nav-a .c-idx { font-size: 10px; opacity: .5; }
  .c-nav-a:hover { color: #fff; }
  .c-nav-cta { margin-left: 10px; border: 1px solid rgba(234, 246, 251, .5); border-radius: 40px; color: #fff; }
  .c-nav-cta:hover { background: var(--ice); color: #001018 !important; border-color: var(--ice); }
  .c-nav-cta .c-idx { display: none; }
  .c-nav-g:hover .c-nav-sub, .c-nav-g:focus-within .c-nav-sub { display: flex; }
  .c-nav-sub { position: absolute; top: calc(100% + 12px); left: 0; min-width: 220px; flex-direction: column; padding: 10px; background: rgba(7, 20, 28, .97);
    border: 1px solid var(--line); border-radius: 12px; box-shadow: 0 30px 60px rgba(0, 0, 0, .6); }
  .c-nav-sub::before { content: ""; position: absolute; left: 0; right: 0; top: -14px; height: 14px; }
  .c-nav-sub a { font-size: 13.5px; color: var(--mute); padding: 9px 12px; border-radius: 8px; }
  .c-nav-sub a:hover { color: var(--ink); background: rgba(127, 227, 255, .07); }
  .c-burger { display: none; }
  .c-mod-media { height: 280px; }
  .c-scenes { grid-auto-flow: row; grid-template-columns: repeat(4, 1fr); overflow: visible; }
  .c-homeapp { gap: 100px; }
  .c-board { grid-template-columns: repeat(4, 1fr); }
  .c-explorer { grid-template-columns: 1.7fr 1fr; gap: 44px; }
  .c-viewport { min-height: 640px; }
  .c-pipe { grid-template-columns: repeat(4, 1fr); }
  .c-pipe li { min-height: 380px; }
  .c-expd { grid-template-columns: 1fr 1fr; gap: 80px; }
  .c-rhythm { margin-top: 70px; padding: 44px; }
  .c-hubs { grid-template-columns: repeat(2, 1fr); }
  .c-hubc.is-earlier { flex-direction: row; }
  .c-hubc.is-earlier picture { width: 38%; flex: none; }
  .c-hubc.is-earlier img { height: 100%; aspect-ratio: 1.45; }
  .c-hubc.is-earlier figcaption { border-top: 0; border-left: 1px solid var(--line); justify-content: center; padding: 24px 30px; }
  .c-footer-top { grid-template-columns: .8fr 2fr; gap: 60px; }
  .c-cards .c-card { min-height: 160px; align-content: start; }
  .c-macro img { aspect-ratio: 2.3; }
  .c-macro-copy { position: absolute; left: 34px; bottom: 34px; max-width: 470px; padding: 30px; background: rgba(2, 4, 6, .82); backdrop-filter: blur(10px); border: 1px solid var(--line); border-radius: 4px; }
  .c-alert { grid-template-columns: auto 1fr auto; align-items: center; gap: 24px; }
}
@media (max-width: 1079px) {
  .c-board { grid-template-columns: 1fr 1fr; }
  .c-stage { max-width: 640px; margin: 0 auto; width: 100%; }
}
@media (max-width: 820px) {
  .c-hero-copy { grid-template-columns: 1fr; }
  .c-hero-side { align-items: flex-start; text-align: left; }
  .c-hero-side .c-actions { justify-content: flex-start; }
  .c-hero-obj { width: 86vw; top: 27%; }
  .c-seq-pin { grid-template-columns: 1fr; grid-template-rows: auto 1fr; padding-top: 30px; gap: 10px; }
  .c-seq-steps { height: 300px; }
  .c-seq-stage { height: 44vh; }
  .c-modes-row { grid-template-columns: 1fr; }
  .c-mode, .c-mode + .c-mode { padding: 40px 0; border-left: 0; min-height: 380px; }
  .c-mode + .c-mode { border-top: 1px solid var(--line); }
  .c-mode-ring { width: 130px; height: 130px; right: 6px; }
}
@media (max-width: 420px) {
  .c-actions { flex-direction: column; align-items: stretch; }
  .c-hero-top span:last-child { display: none; }
  .c-board { grid-template-columns: 1fr; }
  .c-cell { min-height: 0; }
}

/* ---- reduced motion ------------------------------------------------------ */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
  .c-reveal { opacity: 1; transform: none; }
  .c-statement .w { opacity: 1; }
}
html[data-motion="reduce"] { scroll-behavior: auto; }
html[data-motion="reduce"] *, html[data-motion="reduce"] *::before, html[data-motion="reduce"] *::after { animation: none !important; transition: none !important; }
html[data-motion="reduce"] .c-reveal { opacity: 1; transform: none; }
html[data-motion="reduce"] .c-statement .w { opacity: 1; }

/* ---- device design 2026-10-24 ---- */
.c-hubc img[src*="sf-hub-ex"], .c-hubc source[srcset*="sf-hub-ex"] + img { object-fit: contain; background: #04070a; }
.c-inside { display: grid; gap: 18px; margin-top: 8px; }
.c-inside figure { margin: 0; display: flex; flex-direction: column; overflow: hidden; }
.c-inside figure img { width: 100%; height: auto; display: block; }
.c-inside figcaption { padding: 12px 16px 14px; border-top: 1px solid var(--line); font-family: var(--mono); font-size: 11px; color: var(--dim); }
.c-inside-hub img { background: radial-gradient(60% 50% at 50% 45%, rgba(127, 227, 255, .07), transparent 70%); }
.c-inside-side { display: grid; gap: 18px; align-content: start; }
.c-layers { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: 1fr 1fr; gap: 0 18px; font-size: 12px; }
.c-layers li { display: flex; gap: 12px; padding: 9px 0; border-bottom: 1px solid var(--line); color: var(--mute); }
.c-layers span { color: var(--ice); }
.c-inside-note { grid-template-columns: 1fr 1fr; margin: 18px 0 8px; }
.c-archive img { filter: grayscale(.85) brightness(.75); }
@media (min-width: 900px) {
  .c-inside { grid-template-columns: 1fr 1.15fr; align-items: start; }
}
@media (max-width: 640px) {
  .c-layers { grid-template-columns: 1fr; }
  .c-inside-note { grid-template-columns: 1fr; }
}

/* ---- home statement: field + three anchors ---- */
.c-statement-sec { padding-bottom: 0; }
.c-stmt-grid { display: grid; grid-template-columns: minmax(0, 1fr); gap: 28px; align-items: center; }
.c-statement .ln { display: block; }
.c-stmt-grid .c-statement, html[lang="zh-Hant"] .c-stmt-grid .c-statement { max-width: none; font-size: clamp(28px, 3.3vw, 54px); }
.c-statement .hl { font-style: normal; }
.c-statement .hl .w.on { color: var(--ice); text-shadow: 0 0 24px rgba(127, 227, 255, .45); }
.c-stmt-viz { margin: 0; position: relative; aspect-ratio: 1.25; min-height: 240px; }
.c-field-stmt { position: absolute; inset: 0; width: 100%; height: 100%; }
.c-stmt-viz figcaption { position: absolute; left: 0; right: 0; bottom: 0; text-align: center; font-size: 10px; letter-spacing: .14em; color: var(--dim); text-transform: uppercase; }
.c-anchors { display: grid; gap: 12px; margin-top: 44px; }
.c-anchor { position: relative; display: grid; grid-template-columns: auto 1fr; gap: 6px 14px; align-items: center; padding: 18px 44px 18px 18px;
  border: 1px solid var(--line); border-radius: 2px; background: rgba(127, 227, 255, .02); transition: border-color .3s, background .3s; }
.c-anchor:hover, .c-anchor:focus-visible { border-color: var(--line2); background: rgba(127, 227, 255, .05); }
.c-anchor .c-idx { grid-row: span 2; align-self: start; padding-top: 3px; }
.c-anchor-k { font-size: 11px; letter-spacing: .16em; color: var(--dim); }
.c-anchor strong { font-weight: 400; font-size: 18px; letter-spacing: -.01em; }
.c-anchor .c-status { grid-column: 2; margin-top: 4px; }
.c-anchor > i { position: absolute; right: 18px; top: 18px; font-style: normal; color: var(--ice); }
.c-statusline { display: flex; align-items: center; gap: 12px; margin-top: 22px; font-size: 11px; letter-spacing: .08em; color: var(--mute); }
.c-statusline i { width: 7px; height: 7px; border-radius: 50%; background: var(--ice); box-shadow: 0 0 10px var(--ice); flex: none; animation: sfpulse 2.4s ease-in-out infinite; }
@keyframes sfpulse { 50% { opacity: .35; } }
html[data-motion="reduce"] .c-statusline i { animation: none; }
@media (prefers-reduced-motion: reduce) { .c-statusline i { animation: none; } }
@media (min-width: 900px) {
  .c-stmt-grid { grid-template-columns: minmax(0, 1.25fr) minmax(0, 1fr); gap: 40px; }
  .c-anchors { grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 899px) { .c-stmt-viz { aspect-ratio: 1.6; min-height: 0; max-width: 520px; width: 100%; } }

/* ---- home: merged field + system story ---- */
.c-story { position: relative; }
.c-story-pin { max-width: 1640px; margin: 0 auto; padding: clamp(70px, 10vh, 120px) var(--pad) 0; display: grid; grid-template-columns: minmax(0, 1fr); gap: 28px; }
.c-story .c-statement { max-width: none; font-size: clamp(28px, 3.3vw, 54px); }
.c-story-stage { margin: 0; position: relative; aspect-ratio: 1.6; max-width: 560px; width: 100%; }
.c-story-stage svg { display: none; }
.c-story-stage canvas { position: absolute; inset: 0; width: 100%; height: 100%; }
.c-story-stage figcaption { position: absolute; left: 0; right: 0; bottom: 0; text-align: center; font-size: 10px; letter-spacing: .14em; color: var(--dim); text-transform: uppercase; }
.c-story-stage img { display: none; }
.c-story-steps { display: grid; gap: 14px; }
.c-story-step { border-top: 1px solid var(--line); padding-top: 22px; }
.c-story-step b { display: block; font-weight: 400; font-size: 11px; letter-spacing: .14em; color: var(--ice); margin-bottom: 10px; }
.c-story-step h3 { font-weight: 300; font-size: clamp(26px, 6vw, 34px); letter-spacing: -.02em; line-height: 1.15; margin-bottom: 12px; }
.c-story-step p { color: var(--mute); max-width: 42ch; }
.c-story-step .c-status { margin-top: 14px; }
.c-step-img { display: block; width: min(78%, 360px); height: auto; margin: 0 auto 18px; filter: drop-shadow(0 20px 26px #000); }
.c-step-img.is-phone { width: 34%; max-width: 150px; border-radius: 18px; border: 1px solid var(--line2); }
.c-story-foot .c-anchors { display: none; }
.c-story-foot .c-statusline { margin-top: 6px; }
.c-anchor-bar { display: none; }

@media (min-width: 900px) {
  .c-story { height: 460vh; }
  .c-story-pin { position: sticky; top: 72px; height: calc(100svh - 72px); padding: clamp(20px, 4vh, 48px) var(--pad) clamp(18px, 3vh, 30px); overflow: hidden;
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.1fr); grid-template-rows: minmax(0, 1fr) auto; gap: 0 56px; }
  .c-story-l { align-self: center; min-height: 0; }
  .c-story .c-kicker { margin-bottom: clamp(16px, 3vh, 34px); }
  .c-story .c-statement { font-size: clamp(26px, 2.7vw, 48px); transition: opacity .6s var(--ease); }
  .c-story.is-product .c-statement { opacity: .42; }
  .c-story-steps { display: block; position: relative; height: clamp(170px, 24vh, 230px); margin-top: clamp(18px, 3.5vh, 36px); transition: opacity .3s; }
  .c-story-step { position: absolute; inset: 0; border-top: 0; padding-top: 0; opacity: 0; transform: translateY(16px); transition: opacity .5s var(--ease), transform .5s var(--ease); pointer-events: none; }
  .c-story-step.on { opacity: 1; transform: none; pointer-events: auto; }
  .c-story-step h3 { font-size: clamp(24px, 2.3vw, 38px); }
  .c-step-img { display: none; }
  .c-story-more { opacity: 0; }
  .c-story-stage { aspect-ratio: auto; max-width: none; align-self: stretch; min-height: 0; }
  .c-story-stage svg { display: block; position: absolute; inset: 6% 8%; width: 84%; height: 88%; opacity: 0; transition: opacity .6s; }
  .c-story.is-product .c-story-stage svg { opacity: 1; }
  .c-story-stage img { display: block; }
  .c-story-stage .c-seq-patch { width: 60%; opacity: 0; }
  .c-story-stage .c-seq-hub { opacity: 0; }
  .c-story-foot { grid-column: 1 / -1; }
  .c-story-foot .c-anchors { display: grid; grid-template-columns: repeat(3, 1fr); margin-top: 0; }
  .c-anchor { overflow: hidden; padding-top: 14px; padding-bottom: 14px; }
  .c-anchor.is-on { border-color: var(--line2); background: rgba(127, 227, 255, .06); }
  .c-anchor.is-on strong { color: var(--ice2); }
  .c-anchor-bar { display: block; position: absolute; left: 0; bottom: 0; height: 2px; width: 100%; background: var(--ice); transform-origin: left; transform: scaleX(var(--f, 0)); }
  .c-story-foot .c-statusline { margin-top: 12px; }
}
@media (min-width: 900px) and (max-height: 760px) {
  .c-story .c-statement { font-size: clamp(22px, 2.2vw, 36px); }
  .c-story-step p { font-size: 14px; }
  .c-anchor .c-status { display: none; }
}
@media (max-width: 899px) {
  .c-story-l { display: contents; }
  .c-story .c-kicker { order: 1; margin-bottom: 0; }
  .c-story .c-statement { order: 2; }
  .c-story-stage { order: 3; justify-self: center; }
  .c-story-steps { order: 4; }
  .c-story-more { order: 5; }
  .c-story-foot { order: 6; }
}
@media (min-width: 900px) and (max-height: 760px) {
  .c-story .c-statement { font-size: clamp(20px, 1.9vw, 30px); line-height: 1.35; }
  .c-story .c-kicker { margin-bottom: 12px; }
  .c-story-steps { height: 196px; margin-top: 14px; }
  .c-story-more { display: none; }
  .c-story-step b { margin-bottom: 6px; }
  .c-story-step h3 { font-size: clamp(22px, 2vw, 30px); margin-bottom: 8px; }
  .c-story-step p { font-size: 13px; line-height: 1.6; }
  .c-story-step .c-status { margin-top: 8px; }
  .c-anchor { padding-top: 10px; padding-bottom: 10px; }
  .c-story-foot .c-statusline { margin-top: 8px; }
}
@media (min-width: 900px) {
  .c-story-steps, .c-story-steps[style] { display: grid; height: auto; }
  .c-story-step { position: relative; inset: auto; grid-area: 1 / 1; }
  .c-story .c-statement { font-size: clamp(20px, min(2.7vw, 4.4vh), 48px); line-height: 1.32; }
  .c-story-step h3 { font-size: clamp(20px, min(2.3vw, 3.6vh), 38px); }
  .c-story-step p { font-size: clamp(13px, 1.9vh, 16px); line-height: 1.6; }
  .c-story .c-kicker { margin-bottom: clamp(10px, 2.4vh, 30px); }
  .c-story-steps { margin-top: clamp(12px, 2.6vh, 32px); }
}
@media (min-width: 900px) and (max-height: 760px) {
  .c-story-steps { height: auto; }
}
@media (min-width: 900px) {
  .c-story .c-statement { transition: opacity .6s var(--ease), font-size .6s var(--ease); }
  .c-story.is-product .c-statement { font-size: clamp(16px, min(1.7vw, 2.9vh), 30px); }
}

/* ---- home: position (neck / desk) ---- */
.c-pos { display: grid; gap: clamp(30px, 5vw, 80px); align-items: center; }
.c-pos-media { position: relative; display: grid; grid-template-columns: minmax(0, 1fr); gap: 14px; }
.c-pos-cell { position: relative; margin: 0; overflow: hidden; border-radius: 4px; border: 1px solid var(--line); background: #05080b; }
.c-pos-cell img { display: block; width: 100%; aspect-ratio: 1; object-fit: cover; filter: saturate(.85) contrast(1.05); }
.c-pos-tag { position: absolute; left: 14px; top: 14px; font-size: 10px; letter-spacing: .16em; color: var(--ice); padding: 5px 10px; border: 1px solid var(--line2); border-radius: 20px; background: rgba(2, 4, 6, .6); backdrop-filter: blur(6px); }
.c-pos-rings { position: absolute; left: 64.5%; top: 53.6%; width: 78%; transform: translate(-50%, -50%); pointer-events: none; overflow: visible; }
.c-pos-rings circle { fill: none; stroke: var(--ice); stroke-width: 1; vector-effect: non-scaling-stroke; transform-box: fill-box; transform-origin: center; opacity: 0; }
.c-pos-media.in .c-pos-rings circle { animation: posring 5.4s cubic-bezier(.2, .6, .3, 1) infinite; }
.c-pos-media.in .c-pos-rings circle:nth-child(2) { animation-delay: 1.8s; } .c-pos-media.in .c-pos-rings circle:nth-child(3) { animation-delay: 3.6s; }
@keyframes posring { 0% { transform: scale(.22); opacity: 0; } 12% { opacity: .75; } 100% { transform: scale(1); opacity: 0; } }
.c-pos-lead { position: absolute; inset: 0; width: 100%; height: 100%; pointer-events: none; }
.c-pos-lead line { stroke: rgba(198, 243, 255, .7); stroke-width: 1; vector-effect: non-scaling-stroke; }
.c-callout { position: absolute; left: 12px; bottom: 12px; display: flex; flex-direction: column; gap: 4px; padding: 12px 14px; max-width: 72%;
  border: 1px solid var(--line2); border-radius: 3px; background: rgba(2, 4, 6, .72); backdrop-filter: blur(8px); }
.c-callout strong { font-weight: 400; font-size: 15px; }
.c-callout small { font-size: 10px; letter-spacing: .08em; color: var(--mute); }
.c-callout .c-status { margin-top: 4px; }
.c-pos-link { display: none; }
.c-pos-linklabel { display: none; }
.c-pos-note { margin: 4px 0 0; font-size: 10px; letter-spacing: .1em; color: var(--dim); }
.c-pos-copy h2 { margin: 0 0 22px; }
.c-pos-facts { margin: 28px 0 26px; }
.c-pos-facts div { display: grid; grid-template-columns: 76px 1fr; gap: 14px; padding: 14px 0; border-top: 1px solid var(--line); }
.c-pos-facts div:last-child { border-bottom: 1px solid var(--line); }
.c-pos-facts dt { font-size: 11px; letter-spacing: .14em; color: var(--ice); padding-top: 3px; }
.c-pos-facts dd { margin: 0; color: var(--mute); font-size: 15px; line-height: 1.6; }
.c-pos-copy .c-actions { display: flex; flex-wrap: wrap; gap: 14px 22px; align-items: center; }
html[data-motion="reduce"] .c-pos-media .c-pos-rings circle { animation: none; opacity: .35; }
html[data-motion="reduce"] .c-pos-rings circle:nth-child(1) { transform: scale(.45); } html[data-motion="reduce"] .c-pos-rings circle:nth-child(2) { transform: scale(.7); }
@media (prefers-reduced-motion: reduce) {
  .c-pos-media .c-pos-rings circle { animation: none !important; opacity: .35; }
  .c-pos-rings circle:nth-child(1) { transform: scale(.45); } .c-pos-rings circle:nth-child(2) { transform: scale(.7); }
}
@media (min-width: 640px) {
  .c-pos-media { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); }
  .c-pos-link { display: block; position: absolute; left: 0; top: 0; width: 100%; height: calc(100% - 28px); pointer-events: none; z-index: 2; }
  .c-pos-link line { stroke: var(--ice); stroke-width: 1; stroke-dasharray: 3 6; vector-effect: non-scaling-stroke; opacity: .8; }
  .c-pos-linklabel { display: block; position: absolute; left: 50%; top: 40%; transform: translate(-50%, -50%); z-index: 3; font-size: 10px; letter-spacing: .1em; color: var(--ice2);
    padding: 5px 10px; border: 1px dashed var(--line2); border-radius: 20px; background: rgba(2, 4, 6, .8); white-space: nowrap; }
  .c-pos-note { grid-column: 1 / -1; }
  .c-callout { max-width: calc(100% - 24px); }
}
@media (min-width: 1000px) {
  .c-pos { grid-template-columns: minmax(0, 7fr) minmax(0, 5fr); align-items: center; }
}
.c-callout { padding: 8px 12px 9px; gap: 3px; bottom: 10px; left: 10px; }
.c-callout-h { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.c-callout strong { font-size: 14px; }
.c-callout .c-status { margin-top: 0; transform: scale(.88); transform-origin: left center; }
@media (min-width: 640px) {
  .c-pos-link line { stroke-dasharray: 4 5; opacity: 1; stroke-width: 1.2; }
  .c-pos-link circle { fill: var(--ice); }
  .c-pos-linklabel { top: 41%; left: 53%; }
}
@media (min-width: 640px) {
  .c-pos-link line { filter: drop-shadow(0 0 3px rgba(127, 227, 255, .9)); }
  .c-pos-linklabel { left: 50%; top: calc((100% - 28px) * .52 - 42px); transform: translateX(-50%); }
}

/* ---- explorer: two simple choices ---- */
.c-vp-poster[hidden] { display: none; }
.c-ctl { display: flex; flex-direction: column; gap: 10px; }
.c-ctl-k { font-size: 11px; letter-spacing: .16em; color: var(--dim); text-transform: uppercase; }
.c-seg { display: grid; grid-template-columns: repeat(3, 1fr); border: 1px solid var(--line2); border-radius: 30px; padding: 4px; gap: 4px; }
.c-seg-2 { grid-template-columns: repeat(2, 1fr); }
.c-controls .c-seg button:not(.c-btn) { border: 0; border-radius: 26px; padding: 11px 10px; font-family: var(--sans); font-size: 14px; letter-spacing: 0; color: var(--mute); }
.c-controls .c-seg button[aria-pressed="true"] { background: var(--ice); color: #001018; }
.c-controls .c-seg button:not([aria-pressed="true"]):hover { color: var(--ink); background: rgba(127, 227, 255, .07); }
.c-part-info { border-top: 1px solid var(--line); padding-top: 22px; }
.c-ex-note { margin-top: 12px; font-size: 11.5px; line-height: 1.7; color: var(--ice2); padding: 10px 12px; border-left: 1px solid var(--ice); background: rgba(127, 227, 255, .04); }
.c-ex-note[hidden] { display: none; }

/* ---- SatoriVia cosmos background ---- */
html { background: #061219; }
body { background: transparent; }
.c-cosmos, .c-cosmos-still, .c-grain { position: fixed; inset: 0; pointer-events: none; }
.c-cosmos { z-index: -3; width: 100vw; height: 100vh; opacity: .78; filter: saturate(1.05); }
.c-cosmos-still { z-index: -4; background: #061219 url(/static/img/cosmos-1920.webp) center / cover no-repeat; }
.cosmos-live .c-cosmos-still { display: none; }
@media (max-aspect-ratio: 1/1) { .c-cosmos-still { background-image: url(/static/img/cosmos-portrait.webp); } }
.c-grain { z-index: -2; opacity: .027; background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160' viewBox='0 0 160 160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.86' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Cpath fill='%23ebe6dc' filter='url(%23n)' d='M0 0h160v160H0z'/%3E%3C/svg%3E"); }
/* gold from the logo as a quiet second accent */
.c-eyebrow::before, .c-kicker::before { background: linear-gradient(90deg, var(--ice), var(--gold)); }
.c-footer { border-top-color: rgba(216, 199, 167, .18); }
.c-blink i, .c-statusline i { background: var(--gold); box-shadow: 0 0 10px var(--gold-a); }
.c-hero-top, .c-vp-label { color: rgba(216, 199, 167, .75); }
.c-story-stage circle { fill: none; stroke: rgba(127, 227, 255, .17); vector-effect: non-scaling-stroke; }
.c-story-stage .dash { stroke-dasharray: 2 8; }

/* ---- home: rhythms ---- */
.c-rhythms { --mint: #72ffe0; --ice-v: #9fbaff; }
.c-rh-demo { display: inline-flex; margin-top: 14px; font-size: 10.5px; letter-spacing: .1em; color: var(--dim); padding: 5px 11px; border: 1px solid var(--line); border-radius: 20px; }
.c-rh-row { display: grid; gap: 18px; margin-top: 10px; }
.c-rh { --c: var(--mint); position: relative; display: flex; flex-direction: column; gap: 26px; padding: 26px 24px 24px; border: 1px solid var(--line); border-radius: 4px; background: var(--cell); overflow: hidden; transition: border-color .4s; }
.c-rh.is-focus { --c: var(--ice-v); }
.c-rh::before { content: ""; position: absolute; inset: auto -10% -60% -10%; height: 90%; background: radial-gradient(closest-side, color-mix(in srgb, var(--c) 22%, transparent), transparent); opacity: 0; transition: opacity .6s; pointer-events: none; }
.c-rh:hover, .c-rh.is-playing { border-color: color-mix(in srgb, var(--c) 45%, transparent); }
.c-rh:hover::before, .c-rh.is-playing::before { opacity: 1; }
.c-rh > * { position: relative; }
.c-rh-head { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 10px 16px; }
.c-rh-head .c-ice { color: var(--c); font-size: 11px; letter-spacing: .14em; }
.c-rh-tags { display: flex; flex-wrap: wrap; gap: 6px; list-style: none; margin: 0; padding: 0; }
.c-rh-tags li { font-family: var(--mono); font-size: 10.5px; letter-spacing: .06em; color: var(--mute); padding: 4px 10px; border: 1px solid var(--line); border-radius: 20px; }
.c-rh-tags li:last-child { color: var(--c); border-color: color-mix(in srgb, var(--c) 35%, transparent); }
.c-rh-main { display: grid; grid-template-columns: minmax(0, 1fr) clamp(116px, 30%, 220px); gap: 20px; align-items: center; }
.c-rh .c-mode-big { margin: 0 0 18px; font-size: clamp(56px, 7.4vw, 128px); }
.c-rh:hover .c-mode-big, .c-rh.is-playing .c-mode-big { color: var(--c); }
.c-rh-main p { margin: 0 0 12px; font-size: 15px; color: var(--mute); }
.c-rh-pattern { font-size: 10.5px; letter-spacing: .08em; color: var(--dim); }
.c-rh-viz { position: relative; aspect-ratio: 1; }
.c-rh-viz svg { width: 100%; height: 100%; overflow: visible; }
.c-rh-viz circle, .c-rh-viz rect { fill: none; vector-effect: non-scaling-stroke; transform-box: fill-box; transform-origin: center; }
.v-ring { stroke: color-mix(in srgb, var(--c) 18%, transparent); stroke-width: 1; }
.v-prog { stroke: var(--c); stroke-width: 2; stroke-dasharray: 100; stroke-dashoffset: 100; transform: rotate(-90deg); transition: stroke-dashoffset .25s linear; }
.v-halo { stroke: color-mix(in srgb, var(--c) 30%, transparent); transform: scale(.82); transition: transform 6s cubic-bezier(.45, 0, .55, 1); }
.v-core { stroke: var(--c); stroke-width: 1.2; fill: color-mix(in srgb, var(--c) 8%, transparent) !important; transform: scale(.72); transition: transform 6s cubic-bezier(.45, 0, .55, 1), fill .6s; filter: drop-shadow(0 0 10px color-mix(in srgb, var(--c) 45%, transparent)); }
.c-rh.is-in .v-core { transform: scale(1); }
.c-rh.is-in .v-halo { transform: scale(1.08); }
.c-rh:not(.is-playing) .v-core { animation: rhIdle 10s cubic-bezier(.45, 0, .55, 1) infinite; }
@keyframes rhIdle { 0%, 100% { transform: scale(.72); } 40% { transform: scale(.9); } }
.v-ticks line { stroke: color-mix(in srgb, var(--c) 22%, transparent); stroke-width: 1.4; vector-effect: non-scaling-stroke; transition: stroke .3s; }
.v-ticks line.on { stroke: var(--c); }
.v-dia { stroke: var(--c); stroke-width: 1.2; filter: drop-shadow(0 0 10px color-mix(in srgb, var(--c) 40%, transparent)); }
.v-dia2 { stroke: color-mix(in srgb, var(--c) 35%, transparent); }
.v-dot { fill: var(--c) !important; }
.c-rh:not(.is-playing) .v-dia { animation: rhIdle2 8s ease-in-out infinite; }
@keyframes rhIdle2 { 0%, 100% { transform: rotate(45deg) scale(1); } 50% { transform: rotate(45deg) scale(.92); } }
.v-dia.pulse { animation: rhPulse 1.2s ease-out; }
@keyframes rhPulse { 0% { transform: rotate(45deg) scale(1.12); stroke-width: 2.2; } 100% { transform: rotate(45deg) scale(1); } }
.c-rh-time { position: absolute; left: 50%; top: 50%; transform: translate(-50%, -50%); font-size: clamp(14px, 1.6vw, 20px); color: var(--ink); opacity: 0; transition: opacity .4s; }
.c-rh.is-playing .c-rh-time { opacity: 1; }
.c-rh.is-relax.is-playing .c-rh-time { top: auto; bottom: -26px; transform: translateX(-50%); }
.c-rh-ctrl { display: flex; flex-wrap: wrap; align-items: center; gap: 12px 20px; padding-top: 18px; border-top: 1px solid var(--line); }
.c-rh-play { background: var(--c); }
.c-rh-play i { font-style: normal; font-size: 11px; }
.c-rh-state { flex: 1 1 140px; font-size: 14px; color: var(--ink); min-height: 1.6em; }
.c-rh-snd { display: inline-flex; align-items: center; gap: 8px; font-size: 13px; color: var(--mute); min-height: 44px; cursor: pointer; }
.c-rh-snd input { accent-color: var(--c); width: 16px; height: 16px; }
.c-rh-ctrl .c-link { margin-left: auto; }
html[data-motion="reduce"] .c-rh .v-core, html[data-motion="reduce"] .c-rh .v-dia { animation: none !important; }
@media (prefers-reduced-motion: reduce) { .c-rh .v-core, .c-rh .v-dia { animation: none !important; } }
@media (min-width: 900px) {
  .c-rh-row { grid-template-columns: 1fr 1fr; }
  .c-rh { padding: 30px 32px 28px; }
}
@media (max-width: 520px) {
  .c-rh-main { grid-template-columns: minmax(0, 1fr) 104px; }
  .c-rh-ctrl .c-link { margin-left: 0; }
}
.v-dia, .v-dia2 { transform: rotate(45deg); }
.c-rh.is-playing .v-dot { opacity: 0; }
.c-rh-play i { min-width: 1.4em; text-align: center; letter-spacing: -.15em; }

/* ---- home: creator reviews (YouTube) ---- */
.c-rv-status { display: inline-flex; align-items: center; gap: 10px; margin-top: 14px; font-size: 10.5px; letter-spacing: .1em; color: var(--mute); padding: 5px 12px; border: 1px solid var(--line); border-radius: 20px; }
.c-rv-status i { width: 6px; height: 6px; border-radius: 50%; background: var(--gold); box-shadow: 0 0 8px var(--gold-a); }
.c-rv-grid { display: grid; gap: 18px; margin-top: 10px; }
.c-rv { display: flex; flex-direction: column; gap: 14px; min-width: 0; }
.c-rv-media { position: relative; aspect-ratio: 16 / 9; overflow: hidden; background: rgba(4, 13, 19, .86); }
.c-rv-ph { position: absolute; inset: 0; display: grid; place-items: center;
  background: repeating-linear-gradient(0deg, rgba(127, 227, 255, .035) 0 1px, transparent 1px 4px), radial-gradient(60% 70% at 50% 50%, rgba(127, 227, 255, .07), transparent 70%); }
.c-rv-play { position: relative; width: 68px; height: 48px; border-radius: 14px; border: 1px solid var(--line2); background: rgba(6, 18, 25, .7); transition: transform .3s var(--ease), border-color .3s, background .3s; }
.c-rv-play::after { content: ""; position: absolute; left: 50%; top: 50%; transform: translate(-35%, -50%); border-style: solid; border-width: 9px 0 9px 15px; border-color: transparent transparent transparent var(--ice); }
.c-rv:not(.is-live) .c-rv-play { opacity: .55; }
.c-rv-tag { position: absolute; left: 12px; top: 12px; z-index: 2; font-size: 10px; letter-spacing: .14em; color: var(--ice); padding: 4px 10px; border: 1px solid var(--line2); border-radius: 20px; background: rgba(6, 18, 25, .7); }
.c-rv-meta h3 { font-weight: 400; font-size: 18px; margin: 0 0 6px; }
.c-rv:not(.is-live) .c-rv-meta h3 { color: var(--mute); }
.c-rv-meta p { margin: 0 0 6px; font-size: 14px; color: var(--mute); }
.c-rv-by { font-size: 11px !important; letter-spacing: .08em; color: var(--dim) !important; }
.c-rv-disc { font-size: 12.5px !important; color: var(--gold) !important; }
.c-rv-note { display: block; font-size: 10px; color: var(--dim); letter-spacing: .06em; }
.c-rv-btn { position: absolute; inset: 0; width: 100%; height: 100%; padding: 0; display: grid; place-items: center; }
.c-rv-btn img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; filter: saturate(.9) brightness(.85); }
.c-rv-btn:hover .c-rv-play { transform: scale(1.08); background: var(--ice); }
.c-rv-btn:hover .c-rv-play::after { border-left-color: #001018; }
.c-rv-media iframe { position: absolute; inset: 0; width: 100%; height: 100%; border: 0; }
.c-rv-foot { margin-top: 18px; }
@media (min-width: 760px) {
  .c-rv-grid { grid-template-columns: 1.6fr 1fr; grid-template-rows: auto auto; }
  .c-rv.is-feature { grid-row: span 2; }
  .c-rv.is-feature .c-rv-meta h3 { font-size: 22px; }
}

/* ---- home: intellectual property ---- */
.c-ip { margin-top: 64px; padding-top: 40px; border-top: 1px solid var(--line); }
.c-ip-head h3 { font-weight: 300; font-size: clamp(26px, 3vw, 40px); letter-spacing: -.02em; margin: 14px 0 10px; }
.c-ip-sum { font-size: 12px; letter-spacing: .08em; color: var(--gold); margin: 0 0 26px; }
.c-ip-cards { display: grid; gap: 1px; background: var(--line); border: 1px solid var(--line); }
.c-ip-card { display: flex; flex-direction: column; gap: 12px; padding: 22px 22px 20px; background: var(--cell); min-width: 0; }
.c-ip-card.is-patent { background: linear-gradient(160deg, rgba(216, 199, 167, .08), transparent 60%), var(--cell); }
.c-ip-top { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: center; gap: 8px; }
.c-ip-kind { font-size: 10.5px; letter-spacing: .14em; color: var(--ice); text-transform: uppercase; }
.c-ip-card.is-patent .c-ip-kind { color: var(--gold); }
.c-ip-card h4 { font-weight: 400; font-size: 16px; line-height: 1.5; margin: 0; }
.c-ip-orig { display: block; font-size: 12px; color: var(--dim); }
.c-ip-card dl { margin: auto 0 0; display: grid; gap: 6px; padding-top: 12px; border-top: 1px solid var(--line); }
.c-ip-card dl div { display: flex; justify-content: space-between; gap: 12px; }
.c-ip-card dt { font-size: 10.5px; letter-spacing: .1em; color: var(--dim); }
.c-ip-card dd { margin: 0; font-size: 12px; color: var(--ink); text-align: right; }
.is-pending { color: var(--dim) !important; font-style: normal; }
.c-ip-all { margin-top: 14px; border: 1px solid var(--line); border-radius: 2px; background: rgba(6, 18, 25, .6); }
.c-ip-all summary { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 14px 18px; min-height: 48px; cursor: pointer; list-style: none; font-size: 14px; color: var(--ice); }
.c-ip-all summary::-webkit-details-marker { display: none; }
.c-ip-all summary i { font-style: normal; transition: transform .3s; }
.c-ip-all[open] summary i { transform: rotate(45deg); }
.c-ip-all [data-close], .c-ip-all[open] [data-open] { display: none; }
.c-ip-all[open] [data-close] { display: inline; }
.c-ip-all ol { list-style: none; margin: 0; padding: 0 18px 8px; }
.c-ip-all li { display: grid; grid-template-columns: 34px 1fr; gap: 4px 12px; align-items: center; padding: 12px 0; border-top: 1px solid var(--line); }
.c-ip-all li .c-ip-kind, .c-ip-all li .c-status, .c-ip-all li .c-ip-num { grid-column: 2; justify-self: start; }
.c-ip-name { grid-column: 2; font-size: 14.5px; }
.c-ip-num { font-size: 11px; color: var(--mute); }
.c-ip-note { margin-top: 14px; font-size: 12px; line-height: 1.7; color: var(--dim); }
@media (min-width: 760px) {
  .c-ip-cards { grid-template-columns: repeat(2, 1fr); }
  .c-ip-all li { grid-template-columns: 40px 150px minmax(0, 1fr) auto 150px; gap: 16px; }
  .c-ip-all li .c-ip-kind, .c-ip-all li .c-status, .c-ip-all li .c-ip-num, .c-ip-name { grid-column: auto; }
  .c-ip-all li .c-ip-num { justify-self: end; }
}
@media (min-width: 1100px) { .c-ip-cards { grid-template-columns: repeat(4, 1fr); } }
.c-ip-card dl div { align-items: baseline; }
.c-ip-card dt { white-space: nowrap; }
@media (max-width: 759px) { .c-ip-all li .c-ip-num:empty { display: none; } }

/* ===================== v2 · "signal instrument" visual system ===================== */
@font-face { font-family: "Doto Local"; src: url(/static/fonts/doto-latin-var.woff) format("woff"); font-weight: 100 900; font-display: swap; }
:root { --dot: "Doto Local", var(--mono); --cut: 14px; }
.c-dotnum { font-family: var(--dot); font-weight: 800; font-variation-settings: "ROND" 100; letter-spacing: .02em; font-feature-settings: "tnum"; }

/* section index in dot-matrix */
.c-kicker-n, .c-eyebrow-n { align-items: baseline; gap: 14px; }
.c-kicker-n::before, .c-eyebrow-n::before { align-self: center; }
.c-kicker-n .c-dotnum, .c-eyebrow-n .c-dotnum { font-size: 30px; line-height: 1; color: var(--ice); text-shadow: 0 0 14px rgba(127, 227, 255, .45); }

/* chamfered instrument frames: top-right + bottom-left cut, edge lines and corner ticks */
.c-panel, .c-rh, .c-anchor, .c-pos-cell, .c-board, .c-cards, .c-ip-cards, .c-ip-all, .c-mods, .c-how-step, .c-spec-big, .c-r2-cols > div, .c-fq, .c-btn, .c-sticky {
  clip-path: polygon(0 0, calc(100% - var(--cut)) 0, 100% var(--cut), 100% 100%, var(--cut) 100%, 0 calc(100% - var(--cut)));
  border-radius: 0 !important; }
.c-panel, .c-anchor, .c-pos-cell, .c-board, .c-cards, .c-ip-cards, .c-ip-all, .c-mods, .c-how-step, .c-spec-big, .c-r2-cols > div, .c-fq { position: relative; }
.c-panel::after, .c-rh::after, .c-anchor::after, .c-pos-cell::after, .c-board::after, .c-cards::after, .c-ip-cards::after, .c-ip-all::after, .c-mods::after,
.c-how-step::after, .c-spec-big::after, .c-r2-cols > div::after, .c-fq::after {
  content: ""; position: absolute; inset: 0; pointer-events: none; z-index: 7;
  background:
    linear-gradient(to top right, transparent calc(50% - .7px), var(--line2) calc(50% - .7px) calc(50% + .7px), transparent calc(50% + .7px)) top right / var(--cut) var(--cut) no-repeat,
    linear-gradient(to top right, transparent calc(50% - .7px), var(--line2) calc(50% - .7px) calc(50% + .7px), transparent calc(50% + .7px)) bottom left / var(--cut) var(--cut) no-repeat,
    linear-gradient(var(--ice-a), var(--ice-a)) top left / 10px 1px no-repeat, linear-gradient(var(--ice-a), var(--ice-a)) top left / 1px 10px no-repeat,
    linear-gradient(var(--ice-a), var(--ice-a)) bottom right / 10px 1px no-repeat, linear-gradient(var(--ice-a), var(--ice-a)) bottom right / 1px 10px no-repeat; }
.c-btn { --cut: 9px; }
.c-btn-ghost { box-shadow: inset 0 0 0 1px var(--line2); border-color: transparent !important; }
.c-btn:focus-visible, .c-anchor:focus-visible, .c-ip-all summary:focus-visible { outline-offset: -5px; }
.c-vp-corners { display: none; }

/* hero facts row */
.c-hero-facts { list-style: none; margin: 0 0 18px; padding: 0; display: flex; flex-wrap: wrap; gap: 6px 14px; font-size: 10.5px; letter-spacing: .08em; color: var(--mute); justify-content: flex-end; }
.c-hero-facts li { display: inline-flex; align-items: center; gap: 7px; }
.c-hero-facts b { font-weight: 400; color: var(--ice); }
.c-hero-facts i { width: 5px; height: 5px; border-radius: 50%; background: var(--gold); box-shadow: 0 0 8px var(--gold-a); }

/* 02 how it works */
.c-how-row { list-style: none; margin: 10px 0 0; padding: 0; display: grid; gap: 14px; counter-reset: none; }
.c-how-step { display: flex; flex-direction: column; gap: 10px; padding: 24px 22px 22px; background: var(--cell); border: 1px solid var(--line); }
.c-how-step .c-dotnum { font-size: 44px; line-height: 1; color: var(--ice); }
.c-how-code { font-size: 10.5px; letter-spacing: .14em; color: var(--gold); }
.c-how-step h3 { font-weight: 400; font-size: 22px; margin: 4px 0 0; }
.c-how-step p { margin: 0; color: var(--mute); font-size: 15px; }
@media (min-width: 760px) { .c-how-row { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1100px) {
  .c-how-row { grid-template-columns: repeat(4, 1fr); gap: 0; }
  .c-how-step + .c-how-step { margin-left: -1px; }
  .c-how-step { position: relative; }
  .c-how-step:not(:last-child) .c-dotnum::after { content: "→"; position: absolute; right: 18px; top: 30px; font-family: var(--mono); font-size: 14px; color: var(--line2); }
}

/* 05 spec strip */
.c-spec-strip { list-style: none; margin: 10px 0 0; padding: 0; display: grid; gap: 14px; }
.c-spec-big { display: flex; flex-direction: column; gap: 10px; padding: 26px 22px 22px; background: var(--cell); border: 1px solid var(--line); min-width: 0; }
.c-spec-num { display: flex; align-items: baseline; flex-wrap: wrap; gap: 8px; }
.c-spec-num .c-dotnum { font-size: clamp(30px, 3.2vw, 46px); line-height: 1.05; color: var(--ink); text-shadow: 0 0 18px rgba(127, 227, 255, .25); }
.c-spec-num small { font-size: 12px; color: var(--ice); letter-spacing: .1em; }
.c-spec-big p { margin: 0; color: var(--mute); font-size: 14px; }
.c-spec-foot { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: center; gap: 10px 24px; margin-top: 16px; }
.c-spec-foot small { font-size: 11px; color: var(--dim); letter-spacing: .04em; max-width: 70ch; }
@media (min-width: 760px) { .c-spec-strip { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1100px) { .c-spec-strip { grid-template-columns: 1.15fr 1.25fr .8fr .8fr; } }

/* 08 reserve */
.c-reserve2 .c-r2-top { display: grid; gap: 30px; align-items: center; margin: 10px 0 34px; }
.c-r2-price { display: flex; flex-direction: column; gap: 10px; align-items: flex-start; }
.c-reserve2 .c-bigprice { font-size: clamp(96px, 16vw, 230px); line-height: .9; letter-spacing: .01em; -webkit-text-fill-color: currentColor; background: none; color: var(--ice); text-shadow: 0 0 40px rgba(127, 227, 255, .35); }
.c-r2-price small { font-size: 11px; color: var(--mute); letter-spacing: .08em; }
.c-r2-copy h2 { margin: 0 0 16px; }
.c-r2-copy p { color: var(--mute); }
.c-r2-cols { display: grid; gap: 14px; }
.c-r2-cols > div { padding: 22px; background: var(--cell); border: 1px solid var(--line); }
.c-r2-cols h3 { font-weight: 400; font-size: 18px; margin: 8px 0 8px; }
.c-r2-cols p { margin: 0; font-size: 14px; color: var(--mute); }
.c-r2-k { font-size: 11px; color: var(--gold); letter-spacing: .14em; }
.c-fq { margin: 18px 0 16px; padding: 22px; background: rgba(6, 18, 25, .6); border: 1px solid var(--line); }
.c-fq-head { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: center; gap: 12px; margin-bottom: 6px; }
.c-fq-head h3 { font-weight: 400; font-size: 18px; margin: 0; }
.c-fq-tabs { display: inline-flex; gap: 4px; padding: 4px; border: 1px solid var(--line2); }
.c-fq-tabs button { min-height: 36px; padding: 6px 14px; font-size: 13px; color: var(--mute); }
.c-fq-tabs button[aria-selected="true"] { background: var(--ice); color: #001018; }
.c-fq details { border-top: 1px solid var(--line); }
.c-fq summary { display: flex; justify-content: space-between; gap: 16px; padding: 14px 0; min-height: 48px; cursor: pointer; list-style: none; }
.c-fq summary::-webkit-details-marker { display: none; }
.c-fq summary i { font-style: normal; color: var(--ice); transition: transform .3s; }
.c-fq details[open] summary i { transform: rotate(45deg); }
.c-fq details p { margin: 0 0 14px; color: var(--mute); font-size: 14.5px; }
.c-fq-panel[hidden] { display: none; }
.c-fq > .c-link { margin-top: 6px; }
@media (min-width: 900px) {
  .c-reserve2 .c-r2-top { grid-template-columns: auto minmax(0, 1fr); gap: 60px; }
  .c-r2-cols { grid-template-columns: repeat(3, 1fr); }
}

/* sticky reserve bar (phones) */
.c-sticky { position: fixed; left: 10px; right: 10px; bottom: 10px; z-index: 60; display: flex; align-items: center; justify-content: space-between; gap: 12px;
  padding: 10px 10px 10px 16px; background: rgba(6, 18, 25, .92); backdrop-filter: blur(10px); box-shadow: inset 0 0 0 1px var(--line2);
  transform: translateY(140%); transition: transform .45s var(--ease); }
.c-sticky.is-on { transform: none; }
.c-sticky > span { font-size: 10px; letter-spacing: .06em; color: var(--mute); line-height: 1.4; }
.c-sticky .c-btn { flex: none; min-height: 44px; padding: 10px 16px; }
@media (min-width: 900px) { .c-sticky { display: none !important; } }

/* explorer module code */
.c-part-code { display: block; font-size: 10.5px; letter-spacing: .14em; color: var(--gold); margin-bottom: 6px; }
.c-dotnum { font-weight: 900; }
.c-kicker-n .c-dotnum, .c-eyebrow-n .c-dotnum { font-size: 34px; }
.c-spec-num .c-dotnum { font-size: clamp(22px, 2.15vw, 36px); white-space: nowrap; letter-spacing: -.02em; }
@media (min-width: 1100px) { .c-spec-strip { grid-template-columns: 1.3fr 1.5fr .75fr .75fr; } }
@media (max-width: 420px) { .c-spec-num .c-dotnum { font-size: 24px; } }
.c-spec-row > .c-idx { white-space: nowrap; font-size: 10.5px; }
@media (min-width: 900px) { .c-spec-row { grid-template-columns: 64px minmax(0, 1.1fr) 160px minmax(0, 2fr) !important; } }
.c-price { font-family: var(--dot) !important; font-weight: 900; font-variation-settings: "ROND" 100; background: none !important; -webkit-text-fill-color: currentColor !important; color: var(--ice) !important; text-shadow: 0 0 30px rgba(127, 227, 255, .3); letter-spacing: .01em; }

/* ==========================================================================
   v3 launch: L3 product pages, IP, about, roadmap, partners, early list, site map
   ========================================================================== */
@media (min-width: 1080px) and (max-width: 1299px) { .c-nav { gap: 0; } .c-nav-a { padding: 0 10px; } .c-nav-a .c-idx { display: none; } .c-nav-cta { margin-left: 6px; } }
@media (min-width: 1080px) { .c-nav-g:last-child .c-nav-sub { left: auto; right: 0; } }
@media (min-width: 720px) { .c-fmap { grid-template-columns: repeat(3, minmax(0, 1fr)); } }
@media (min-width: 1280px) { .c-fmap { grid-template-columns: repeat(6, minmax(0, 1fr)); } }
.c-footer-top p.c-foot-co { display: flex; flex-direction: column; gap: 4px; margin-top: 18px; font-size: 13px; color: var(--mute); }
.c-foot-co a { color: var(--ice); font-family: var(--mono); font-size: 12px; letter-spacing: .06em; }
.c-actions-pad { margin: 30px 0 10px; }
.c-priceblock .c-bigprice { font-size: clamp(84px, 11vw, 160px); line-height: .9; letter-spacing: .01em; -webkit-text-fill-color: currentColor; background: none; color: var(--ice); text-shadow: 0 0 40px rgba(127, 227, 255, .35); }
.c-priceblock .c-status { align-self: flex-start; }

.c-anat { display: grid; gap: 20px; align-items: start; }
.c-parts { list-style: none; margin: 0; padding: 0; border-top: 1px solid var(--line); }
.c-parts li { display: grid; grid-template-columns: 40px 1fr; gap: 4px 14px; padding: 18px 0; border-bottom: 1px solid var(--line); }
.c-parts li .c-idx { grid-row: 1 / span 2; padding-top: 4px; }
.c-parts h3 { font-size: 19px; }
.c-parts p { font-size: 14.5px; }
@media (min-width: 900px) { .c-anat { grid-template-columns: 1.15fr 1fr; gap: 50px; } }

.c-facts { list-style: none; margin: 10px 0 30px; padding: 0; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1px; background: var(--line); border: 1px solid var(--line); }
.c-facts li { display: flex; flex-direction: column; gap: 8px; padding: 22px; background: var(--cell); min-width: 0; }
.c-facts strong { font-weight: 300; font-size: clamp(26px, 3vw, 40px); color: var(--ice); letter-spacing: -.02em; line-height: 1.1; }
.c-facts span { font-size: 13.5px; color: var(--mute); line-height: 1.5; }
@media (min-width: 900px) { .c-facts { grid-template-columns: repeat(4, minmax(0, 1fr)); } }
.c-prose p { margin-top: 16px; }
.c-company { margin-top: 26px; padding: 6px 22px; }
.c-company div { display: grid; grid-template-columns: 90px 1fr; gap: 14px; padding: 14px 0; border-bottom: 1px solid var(--line); }
.c-company div:last-child { border-bottom: 0; }
.c-company dt { color: var(--ice); font-size: 11px; padding-top: 3px; }
.c-company dd { margin: 0; color: var(--ink); font-size: 14.5px; overflow-wrap: anywhere; }
.c-company a { color: var(--ice); }

.c-road { list-style: none; margin: 30px 0 20px; padding: 0; position: relative; }
.c-road::before { content: ""; position: absolute; left: 27px; top: 10px; bottom: 10px; width: 1px; background: linear-gradient(var(--ice), var(--line) 40%, var(--line)); }
.c-road-i { position: relative; display: grid; grid-template-columns: 56px 1fr; gap: 18px; padding: 0 0 26px; }
.c-road-n { position: relative; z-index: 1; display: grid; place-items: center; width: 56px; height: 56px; border: 1px solid var(--line2); border-radius: 50%; background: var(--bg); color: var(--ice); font-size: 20px; }
.c-road-i.is-done .c-road-n { background: var(--ice); color: #001018; border-color: var(--ice); }
.c-road-i.is-active .c-road-n { box-shadow: 0 0 0 6px rgba(127, 227, 255, .1); border-color: var(--ice); }
.c-road-i.is-plan .c-road-n { color: var(--dim); }
.c-road-b { padding: 20px 22px; background: var(--cell); border: 1px solid var(--line); min-width: 0; }
.c-road-top { display: flex; flex-wrap: wrap; gap: 8px 14px; align-items: center; justify-content: space-between; }
.c-road-b h2 { font-size: clamp(20px, 2.2vw, 28px); font-weight: 400; margin: 12px 0 8px; }
.c-road-b p { font-size: 14.5px; }
.c-log { list-style: none; margin: 0; padding: 0; border-top: 1px solid var(--line); }
.c-log li { display: grid; gap: 4px 24px; padding: 16px 0; border-bottom: 1px solid var(--line); }
.c-log time { color: var(--ice); font-size: 12px; padding-top: 3px; }
.c-log p { font-size: 15px; color: var(--ink); }
@media (min-width: 720px) { .c-log li { grid-template-columns: 130px 1fr; } }

.c-partners { list-style: none; margin: 30px 0 0; padding: 0; display: grid; gap: 14px; }
.c-partners li { display: flex; flex-direction: column; align-items: flex-start; gap: 10px; padding: 24px; min-width: 0; }
.c-partners h2 { font-size: clamp(20px, 2vw, 26px); font-weight: 400; }
.c-partner-k { color: var(--ice); }
.c-partners p { font-size: 14px; }
@media (min-width: 760px) { .c-partners { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (min-width: 1100px) { .c-partners { grid-template-columns: repeat(3, minmax(0, 1fr)); } }

.c-patents { display: grid; gap: 14px; }
.c-patent { padding: 24px; min-width: 0; }
.c-patent h3 { font-size: clamp(19px, 2vw, 24px); margin: 14px 0 6px; line-height: 1.35; }
.c-patent dl { margin-top: 16px; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1px; background: var(--line); border: 1px solid var(--line); }
.c-patent dl div { padding: 12px 14px; background: var(--cell2); min-width: 0; }
.c-patent dt { font-size: 10px; color: var(--dim); }
.c-patent dd { margin: 6px 0 0; color: var(--ink); font-size: 13px; letter-spacing: .04em; overflow-wrap: anywhere; }
.c-patent dd.is-pending, .c-swlist .is-pending { color: var(--dim); }
@media (min-width: 900px) { .c-patents { grid-template-columns: 1fr 1fr; } }
.c-swlist { list-style: none; margin: 0; padding: 0; border-top: 1px solid var(--line); }
.c-swlist li { display: grid; grid-template-columns: 34px 1fr; gap: 6px 14px; align-items: center; padding: 14px 0; border-bottom: 1px solid var(--line); }
.c-swlist li > .c-status, .c-swlist li > .c-ip-num { grid-column: 2; justify-self: start; }
.c-swlist .c-ip-name { font-size: 15px; color: var(--ink); min-width: 0; }
.c-swlist .c-ip-name small { display: block; }
@media (min-width: 900px) { .c-swlist li { grid-template-columns: 40px 1fr auto 150px; } .c-swlist li > .c-status, .c-swlist li > .c-ip-num { grid-column: auto; } .c-swlist li > .c-ip-num { justify-self: end; } }
.c-intro .c-ip-sum { margin-top: 18px; }

.c-interests { border: 0; margin: 8px 0 0; padding: 0; display: flex; flex-wrap: wrap; gap: 0 18px; }
.c-interests legend { font-family: var(--mono); font-size: 11px; letter-spacing: .1em; text-transform: uppercase; color: var(--ice); margin-bottom: 4px; padding: 0; }
.c-check-inline { margin: 2px 0; }
.c-form textarea { resize: vertical; }
.c-mailalt { display: flex; flex-wrap: wrap; gap: 10px 16px; align-items: center; font-size: 13.5px; margin-top: 18px; }
.c-btn-s { min-height: 40px; padding: 0 16px; font-size: 13px; }

.c-smap { display: grid; gap: 14px; margin: 30px 0 60px; }
.c-smap-g { padding: 22px; min-width: 0; }
.c-smap-g h2 { display: flex; gap: 12px; align-items: baseline; font-size: 22px; font-weight: 400; margin-bottom: 12px; }
.c-smap-g ul { list-style: none; margin: 0; padding: 0; }
.c-smap-g li { display: grid; grid-template-columns: 32px 1fr; gap: 0 10px; padding: 10px 0; border-top: 1px solid var(--line); }
.c-smap-g li.lv3 { padding-left: 18px; }
.c-smap-g li .c-level { font-family: var(--mono); font-size: 10px; color: var(--ice); padding-top: 4px; grid-row: 1 / span 2; }
.c-smap-g li a { color: var(--ink); font-size: 15px; }
.c-smap-g li a:hover { color: var(--ice); }
.c-smap-g li small { color: var(--dim); font-size: 10px; letter-spacing: .06em; text-transform: none; overflow-wrap: anywhere; }
@media (min-width: 760px) { .c-smap { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (min-width: 1200px) { .c-smap { grid-template-columns: repeat(3, minmax(0, 1fr)); } }

/* ---- v3.1: pinned story on phones (same scroll sequence as desktop: statement → patch → hub → app) ---- */
@media (max-width: 899px) and (min-height: 560px) {
  .c-story { height: 430vh; }
  .c-story-pin { position: sticky; top: 72px; height: calc(100svh - 72px); overflow: hidden; padding: 14px var(--pad) 14px; gap: 0;
    grid-template-columns: minmax(0, 1fr); grid-template-rows: auto auto minmax(0, 1fr) auto; }
  .c-story .c-kicker { grid-row: 1; margin-bottom: 14px; }
  .c-story .c-statement, .c-story-steps { grid-row: 2; grid-column: 1; align-self: start; }
  .c-story .c-statement { font-size: clamp(20px, 6.2vw, 28px); line-height: 1.38; transition: opacity .5s var(--ease), transform .5s var(--ease); }
  .c-story.is-product .c-statement { opacity: 0; transform: translateY(-14px); pointer-events: none; }
  .c-story-steps { display: grid; gap: 0; }
  .c-story-step { grid-area: 1 / 1; border-top: 0; padding-top: 0; opacity: 0; transform: translateY(14px); transition: opacity .45s var(--ease), transform .45s var(--ease); pointer-events: none; }
  .c-story-step.on { opacity: 1; transform: none; pointer-events: auto; }
  .c-story-step h3 { font-size: clamp(24px, 7vw, 30px); margin-bottom: 8px; }
  .c-story-step p { font-size: 14px; line-height: 1.6; }
  .c-story-step .c-status { margin-top: 10px; }
  .c-step-img, .c-story-more { display: none; }
  .c-story-stage { grid-row: 3; align-self: stretch; justify-self: stretch; aspect-ratio: auto; max-width: none; min-height: 0; margin: 8px 0; }
  .c-story-stage svg { display: block; position: absolute; inset: 4% 4%; width: 92%; height: 92%; opacity: 0; transition: opacity .6s; }
  .c-story.is-product .c-story-stage svg { opacity: 1; }
  .c-story-stage img { display: block; opacity: 0; transition: opacity .5s var(--ease), transform .6s var(--ease); }
  .c-story-stage .c-seq-patch { width: 80%; }
  .c-story-stage .c-seq-hub { width: 64%; }
  .c-story-stage .c-seq-phone { width: auto; height: 84%; max-width: 40%; border-radius: 18px; }
  .c-story-stage figcaption { bottom: -4px; }
  .c-story-foot { grid-row: 4; }
  .c-story-foot .c-statusline { display: none; }
  .c-story-foot .c-anchors { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 8px; margin-top: 4px; }
  .c-anchor { overflow: hidden; grid-template-columns: minmax(0, 1fr); gap: 2px; padding: 10px 10px 12px; }
  .c-anchor .c-idx { grid-row: auto; padding-top: 0; font-size: 9px; }
  .c-anchor-k, .c-anchor .c-status, .c-anchor > i { display: none; }
  .c-anchor strong { font-size: 13px; line-height: 1.3; }
  .c-anchor.is-on { border-color: var(--line2); background: rgba(127, 227, 255, .06); }
  .c-anchor.is-on strong { color: var(--ice2); }
  .c-anchor-bar { display: block; position: absolute; left: 0; bottom: 0; height: 2px; width: 100%; background: var(--ice); transform-origin: left; transform: scaleX(var(--f, 0)); }
  body.in-story .c-sticky, body.in-xs .c-sticky { transform: translateY(140%) !important; pointer-events: none; }
}
@media (max-width: 899px) and (min-height: 560px) { .c-anchor strong { font-size: 12px; } }
@media (max-width: 899px) and (min-height: 560px) and (max-height: 740px) { .c-story-stage figcaption { display: none; } .c-story .c-statement { font-size: clamp(19px, 5.6vw, 24px); } }
@media (max-width: 899px) and (min-height: 560px) { .c-story-stage img { transform: translate(-50%, -50%) scale(.92); } }

/* ==========================================================================
   v3.1 interface layer — A heading decode · B corner readouts · E inner-page visuals
   ========================================================================== */
/* A: heading characters resolve from noise (layout keeps the real glyph, so nothing shifts) */
.dc { position: relative; }
.dc.x { color: transparent !important; -webkit-text-stroke: 0 !important; }
.dc.x::before { content: attr(data-g); position: absolute; inset: 0; display: grid; place-items: center; font-family: var(--mono); font-weight: 400; font-size: .72em;
  color: var(--ice); -webkit-text-stroke: 0; text-shadow: 0 0 14px var(--ice-a); }

/* B: corner readouts, desktop only, set vertically inside the side gutters */
.c-hud { display: none; }
@media (min-width: 1080px) and (min-height: 640px) {
  .c-hud { display: block; position: fixed; inset: 72px 0 0; z-index: 40; pointer-events: none; font-family: var(--mono); font-size: 10px; letter-spacing: .16em;
    text-transform: uppercase; color: var(--dim); }
  .c-hud b { font-weight: 400; color: var(--ice); font-variant-numeric: tabular-nums; }
  .c-hud-c { position: absolute; width: 14px; height: 14px; border: 0 solid var(--ice-a); opacity: .7; }
  .c-hud-c.tl { left: 12px; top: 12px; border-left-width: 1px; border-top-width: 1px; }
  .c-hud-c.tr { right: 12px; top: 12px; border-right-width: 1px; border-top-width: 1px; }
  .c-hud-c.bl { left: 12px; bottom: 12px; border-left-width: 1px; border-bottom-width: 1px; }
  .c-hud-c.br { right: 12px; bottom: 12px; border-right-width: 1px; border-bottom-width: 1px; }
  .c-hud-l, .c-hud-r { position: absolute; bottom: 40px; display: flex; gap: 22px; writing-mode: vertical-rl; white-space: nowrap; }
  .c-hud-l { left: 14px; transform: rotate(180deg); }
  .c-hud-r { right: 14px; }
  .c-hud small { font-size: 9px; letter-spacing: .12em; opacity: .75; }
}
@media (min-width: 1080px) and (max-height: 860px) { .c-hud small { display: none; } }

/* E1: roadmap line fills and glows as you scroll; the current stage pulses */
.c-road::after { content: ""; position: absolute; left: 27px; top: 10px; width: 1px; height: calc((100% - 20px) * var(--fill, 0)); background: var(--ice);
  box-shadow: 0 0 6px var(--ice), 0 0 18px var(--ice-a); transition: height .15s linear; }
.c-road-n { transition: border-color .4s, box-shadow .4s, color .4s; }
.c-road-i.is-passed .c-road-n { border-color: var(--ice); box-shadow: 0 0 0 4px rgba(127, 227, 255, .08), 0 0 22px rgba(127, 227, 255, .25); color: var(--ice2); }
.c-road-i.is-done.is-passed .c-road-n { color: #001018; }
.c-road-i.is-active .c-road-n::after { content: ""; position: absolute; inset: -1px; border-radius: 50%; border: 1px solid var(--ice); animation: road-pulse 2.4s var(--ease) infinite; }
.c-road-b { transition: border-color .4s; }
.c-road-i.is-passed .c-road-b { border-color: var(--line2); }
@keyframes road-pulse { from { transform: scale(1); opacity: .8; } to { transform: scale(1.7); opacity: 0; } }

/* E2: partner signal map */
.c-pmap { position: relative; margin: 34px 0 6px; aspect-ratio: 2.2; min-height: 360px; overflow: hidden;
  background: radial-gradient(circle at 50% 52%, rgba(127, 227, 255, .1), transparent 58%), repeating-radial-gradient(circle at 50% 52%, transparent 0 46px, rgba(127, 227, 255, .045) 46px 47px), var(--cell); }
.c-pmap svg { position: absolute; inset: 0; width: 100%; height: 100%; }
.c-pmap line { stroke: var(--ice-a); stroke-width: 1; vector-effect: non-scaling-stroke; fill: none; }
.c-pmap line.plan { stroke: rgba(169, 191, 211, .45); stroke-dasharray: 1.5 2; }
.c-pmap line.pulse { stroke: var(--ice2); stroke-width: 2; stroke-dasharray: 7 93; stroke-dashoffset: 100; animation: pmap-pulse 3.2s linear infinite; filter: drop-shadow(0 0 4px var(--ice)); }
@keyframes pmap-pulse { to { stroke-dashoffset: 0; } }
.c-pmap-core { position: absolute; left: 50%; top: 52%; transform: translate(-50%, -50%); width: 128px; height: 128px; border-radius: 50%; display: grid; place-content: center; gap: 2px; text-align: center;
  border: 1px solid var(--ice); background: rgba(6, 18, 25, .92); box-shadow: 0 0 0 8px rgba(127, 227, 255, .05), 0 0 40px rgba(127, 227, 255, .25); }
.c-pmap-core span { font-size: 9px; color: var(--ice); }
.c-pmap-core strong { font-weight: 400; font-size: 17px; letter-spacing: .02em; }
.c-pmap-nodes { list-style: none; margin: 0; padding: 0; }
.c-pmap-n { position: absolute; transform: translate(-50%, -50%); display: flex; flex-direction: column; align-items: center; gap: 4px; text-align: center; width: 132px; }
.c-pmap-n i { width: 12px; height: 12px; border-radius: 50%; border: 1px solid var(--ice); background: var(--ice); box-shadow: 0 0 14px var(--ice); margin-bottom: 4px; }
.c-pmap-n.is-plan i { background: var(--bg); border-color: rgba(169, 191, 211, .7); box-shadow: none; }
.c-pmap-n strong { font-weight: 400; font-size: 14px; line-height: 1.3; color: var(--ink); background: rgba(6, 18, 25, .75); padding: 0 4px; }
.c-pmap-n small { font-size: 9px; color: var(--dim); }
.c-pmap-n.is-on small { color: var(--ice); }
.c-pmap-legend { position: absolute; left: 18px; bottom: 12px; display: flex; flex-wrap: wrap; align-items: center; gap: 6px 10px; margin: 0; max-width: none; font-size: 9px; color: var(--dim); }
.c-pmap-legend span { width: 22px; height: 0; border-top: 1px solid var(--ice); }
.c-pmap-legend span.plan { border-top: 1px dashed rgba(169, 191, 211, .7); margin-left: 8px; }
.c-pmap-legend em { font-style: normal; margin-left: 12px; opacity: .7; }
@media (max-width: 700px) {
  .c-pmap { aspect-ratio: .82; min-height: 0; }
  .c-pmap-core { width: 92px; height: 92px; }
  .c-pmap-core strong { font-size: 14px; }
  .c-pmap-n { width: 92px; }
  .c-pmap-n strong { font-size: 12px; }
  .c-pmap-legend em { display: none; }
}

/* E3: IP page — circuit texture behind the title */
.p-lab-ip .c-intro::before { content: ""; position: absolute; z-index: -1; top: -30px; bottom: -30px; left: 35%; right: -12vw; opacity: .55;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160' fill='none' stroke='%237fe3ff' stroke-opacity='.32' stroke-width='1'%3E%3Cpath d='M0 40h40l20 20h40M100 60v40l20 20h40M20 160v-40l20-20h30M160 20h-30l-20-20M70 100h0M60 0v20l-20 20'/%3E%3Ccircle cx='100' cy='60' r='3'/%3E%3Ccircle cx='70' cy='100' r='3'/%3E%3Ccircle cx='40' cy='40' r='2.5'/%3E%3Crect x='112' y='128' width='22' height='14' rx='1'/%3E%3C/svg%3E"),
    linear-gradient(rgba(127, 227, 255, .05) 1px, transparent 1px), linear-gradient(90deg, rgba(127, 227, 255, .05) 1px, transparent 1px);
  background-size: 160px 160px, 40px 40px, 40px 40px;
  -webkit-mask-image: radial-gradient(ellipse 60% 70% at 60% 50%, #000 20%, transparent 75%); mask-image: radial-gradient(ellipse 60% 70% at 60% 50%, #000 20%, transparent 75%); }
.p-lab-ip .c-patent { box-shadow: inset 0 0 0 1px rgba(127, 227, 255, .06), 0 0 40px rgba(127, 227, 255, .04); }

@media (prefers-reduced-motion: reduce) {
  .c-pmap line.pulse, .c-road-i.is-active .c-road-n::after { animation: none; display: none; }
}
html[data-motion="reduce"] .c-pmap line.pulse, html[data-motion="reduce"] .c-road-i.is-active .c-road-n::after { animation: none; display: none; }

/* ==========================================================================
   v3.1 home pass — hero callouts · how scan · reviews standby · compact IP · mobile fixes
   ========================================================================== */
.c-hero-tags { display: none; }
@media (min-width: 900px) {
  .c-hero-tags { display: block; position: absolute; left: 50%; top: 44%; width: min(46vw, 680px); aspect-ratio: 1600 / 702; transform: translate(-50%, -50%); pointer-events: none; z-index: 1; }
  .c-htag { position: absolute; left: var(--x); top: var(--y); }
  .c-htag i { position: absolute; left: -5px; top: -5px; width: 10px; height: 10px; border-radius: 50%; border: 1px solid var(--ice); box-shadow: 0 0 10px var(--ice-a); }
  .c-htag i::after { content: ""; position: absolute; inset: 3px; border-radius: 50%; background: var(--ice); }
  .c-htag b { position: absolute; left: 0; width: 1px; background: linear-gradient(var(--ice), rgba(127, 227, 255, .2)); transform-origin: top; animation: htag-line .9s var(--ease) both; animation-delay: var(--d, .6s); }
  .c-htag em { position: absolute; left: 10px; white-space: nowrap; font-style: normal; font-size: 10px; letter-spacing: .14em; color: var(--ice2); padding: 6px 10px;
    border: 1px solid var(--line2); background: rgba(4, 13, 19, .72); backdrop-filter: blur(6px); animation: htag-in .6s var(--ease) both; animation-delay: calc(var(--d, .6s) + .5s); }
  .c-htag em small { display: block; margin-top: 3px; font-size: 9px; color: var(--dim); letter-spacing: .1em; }
  .c-htag.t1 { --x: 52%; --y: 34%; --d: .5s; }
  .c-htag.t1 b { bottom: 0; height: 120px; transform-origin: bottom; }
  .c-htag.t1 em { bottom: 112px; }
  .c-htag.t2 { --x: 95%; --y: 50%; --d: .9s; }
  .c-htag.t2 b { top: 0; height: 110px; }
  .c-htag.t2 em { top: 104px; left: -40px; }
}
@keyframes htag-line { from { transform: scaleY(0); } to { transform: scaleY(1); } }
@keyframes htag-in { from { opacity: 0; transform: translateY(6px); } to { opacity: 1; transform: none; } }
html[data-motion="reduce"] .c-htag b, html[data-motion="reduce"] .c-htag em { animation: none; }

/* how it works: icon per step + a light that scans across the four steps in turn */
.c-how-step { position: relative; overflow: hidden; }
.c-how-ic { position: absolute; right: 18px; top: 20px; width: 40px; height: 40px; fill: none; stroke: var(--ice); stroke-width: 1.4; stroke-linecap: round; opacity: .75; }
.c-how-ic .d { stroke-dasharray: 2 4; opacity: .6; }
.c-how-ic circle:not(.d) { fill: var(--ice); stroke: none; }
.c-how-step::before { content: ""; position: absolute; left: 0; right: 0; top: 0; height: 2px; background: var(--ice); box-shadow: 0 0 12px var(--ice);
  transform: scaleX(0); transform-origin: left; animation: how-scan 6s var(--ease) infinite; animation-delay: calc(var(--i) * 1.5s); }
@keyframes how-scan { 0% { transform: scaleX(0); opacity: 1; } 18% { transform: scaleX(1); opacity: 1; } 25%, 100% { transform: scaleX(1); opacity: 0; } }
html[data-motion="reduce"] .c-how-step::before { animation: none; display: none; }
@media (prefers-reduced-motion: reduce) { .c-how-step::before { display: none; } }
.c-how-step:not(:last-child) .c-dotnum::after { display: none; }
@media (max-width: 759px) {
  .c-how-row { grid-template-columns: 1fr 1fr; gap: 10px; }
  .c-how-step { padding: 18px 14px 16px; gap: 6px; }
  .c-how-step .c-dotnum { font-size: 32px; }
  .c-how-step h3 { font-size: 18px; }
  .c-how-step p { font-size: 13px; line-height: 1.55; }
  .c-how-ic { width: 28px; height: 28px; right: 12px; top: 14px; }
}

/* reviews: compact standby panel until real videos are published */
.c-rv-empty { display: grid; gap: 22px; padding: 22px; align-items: center; margin-top: 10px; }
.c-reviews.is-empty .c-rv-grid, .c-reviews:not(.is-empty) .c-rv-empty { display: none; }
.c-rv-mini { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 10px; }
.c-rv-mini li { position: relative; aspect-ratio: 16 / 9; display: grid; place-items: center; border: 1px solid var(--line); background:
  repeating-linear-gradient(0deg, rgba(127, 227, 255, .035) 0 1px, transparent 1px 4px), rgba(4, 13, 19, .86); }
.c-rv-mini .c-rv-play { width: 40px; height: 28px; border-radius: 9px; opacity: .55; }
.c-rv-mini .c-rv-play::after { border-width: 6px 0 6px 10px; }
.c-rv-mini small { position: absolute; left: 8px; bottom: 6px; font-size: 8.5px; color: var(--dim); }
.c-rv-mini small::before { content: ""; display: inline-block; width: 5px; height: 5px; border-radius: 50%; background: var(--gold); margin-right: 6px; vertical-align: 1px; animation: rv-blink 1.6s steps(2) infinite; }
@keyframes rv-blink { 50% { opacity: .2; } }
.c-rv-empty-t { display: flex; flex-direction: column; align-items: flex-start; gap: 10px; }
.c-rv-empty-t p { margin: 0; font-size: 14px; }
.c-rv-empty-t .c-btn { margin-top: 6px; }
@media (min-width: 900px) { .c-rv-empty { grid-template-columns: 1.5fr 1fr; gap: 36px; padding: 28px; } }
.c-reviews.is-empty .c-rv-status { display: none; }

/* home IP: two counters + the published patent */
.c-ip-row { display: grid; gap: 14px; }
.c-ip-stats { display: grid; grid-template-columns: 1fr 1fr; gap: 1px; background: var(--line); border: 1px solid var(--line); }
.c-ip-stat { display: flex; align-items: center; gap: 18px; padding: 22px; background: var(--cell); min-width: 0; }
.c-ip-stat .c-dotnum { font-size: clamp(48px, 6vw, 84px); line-height: 1; color: var(--ice); text-shadow: 0 0 24px rgba(127, 227, 255, .35); }
.c-ip-stat strong { display: block; font-weight: 400; font-size: 16px; color: var(--ink); }
.c-ip-stat small { display: block; margin-top: 6px; font-size: 10px; color: var(--gold); letter-spacing: .08em; }
.c-ip-home .c-ip-card { border: 1px solid var(--line); }
.c-ip-home .c-link { margin-top: 12px; }
@media (min-width: 900px) { .c-ip-row { grid-template-columns: 1.15fr 1fr; } .c-ip-stats { grid-template-columns: 1fr; } }
@media (max-width: 520px) { .c-ip-stat { flex-direction: column; align-items: flex-start; gap: 8px; padding: 16px; } }

/* signal board: 2 columns on phones instead of one long stack */
@media (max-width: 640px) {
  .c-board { grid-template-columns: 1fr 1fr; }
  .c-cell { padding: 18px 14px; gap: 16px; }
  .c-cell h3 { font-size: 16px; }
  .c-cell small { font-size: 12.5px; }
}

/* phone hero: keep the patch clear of the headline */
@media (max-width: 899px) {
  .c-hero-obj { width: 80vw; top: 23%; }
}
@media (max-width: 899px) and (max-height: 760px) {
  .c-hero-obj { width: 66vw; top: 21%; }
  .c-hero-facts, .c-hero-side > small { display: none; }
}
@media (min-width: 900px) {
  .c-htag.t2 { --y: 46%; }
  .c-htag.t2 b { top: auto; bottom: 0; height: 170px; transform-origin: bottom; }
  .c-htag.t2 em { top: auto; bottom: 162px; left: -70px; }
}
.c-reviews.is-empty .c-rv-foot { display: none; }
@media (max-width: 899px) { .c-hero-obj { width: 72vw; top: 18%; } }
@media (max-width: 899px) and (max-height: 760px) { .c-hero-obj { width: 60vw; top: 17%; } }
@media (max-width: 640px) { .c-rv-mini small { display: none; } }

/* v3.1.3: breathing status light on the hero patch (overlay aligned to the light bar in sf-patch-cut-1600) */
.c-hero-obj img { display: block; width: 100%; height: auto; }
.c-led { position: absolute; left: 51.8%; top: 30.8%; width: 15%; height: 2.7%; transform: translate(-50%, -50%) rotate(-9deg); border-radius: 999px; pointer-events: none; }
.c-led::before { content: ""; position: absolute; inset: 0; border-radius: inherit; background: linear-gradient(90deg, #2f4a4c, #35565a 50%, #2f4a4c);
  animation: led-cap 3.6s ease-in-out infinite; }
.c-led::after { content: ""; position: absolute; inset: -2px -1%; border-radius: inherit; background: #b9fff0; mix-blend-mode: screen;
  box-shadow: 0 0 10px 2px rgba(140, 245, 215, .85), 0 0 34px 8px rgba(120, 235, 205, .4), 0 0 80px 22px rgba(120, 235, 205, .14);
  animation: led-glow 3.6s ease-in-out infinite; }
@keyframes led-cap { 0%, 100% { opacity: .78; } 45%, 55% { opacity: 0; } }
@keyframes led-glow { 0%, 100% { opacity: 0; } 50% { opacity: .9; } }
html[data-motion="reduce"] .c-led::before, html[data-motion="reduce"] .c-led::after { animation: none; }
html[data-motion="reduce"] .c-led::before { opacity: 0; }
html[data-motion="reduce"] .c-led::after { opacity: .5; }
@media (prefers-reduced-motion: reduce) { .c-led::before { animation: none; opacity: 0; } .c-led::after { animation: none; opacity: .5; } }

/* ==========================================================================
   v3.2 hero — the page breathes · first-visit opening · fewer words · field reacts
   ========================================================================== */
.c-hero-halo { position: absolute; left: 50%; top: 44%; width: min(78vw, 1100px); aspect-ratio: 1.7; transform: translate(-50%, -50%); pointer-events: none;
  background: radial-gradient(ellipse at 50% 46%, rgba(120, 235, 205, .17), rgba(127, 227, 255, .06) 38%, transparent 68%); opacity: calc(.3 + .7 * var(--b, .5)); }
.c-led::before { animation: none; opacity: calc(.8 * (1 - var(--b, .5))); }
.c-led::after { animation: none; opacity: calc(.95 * var(--b, .5)); }
.c-cue { position: absolute; left: 50%; top: calc(100% + 18px); transform: translateX(-50%); margin: 0; max-width: none; display: flex; flex-direction: column; align-items: center; gap: 10px;
  font-size: 12.5px; letter-spacing: .22em; color: var(--ice2); white-space: nowrap; opacity: 0; transition: opacity .9s var(--ease); pointer-events: none; }
.c-cue.on { opacity: .92; }
.c-cue i { display: block; width: 132px; height: 1px; background: rgba(127, 227, 255, .2); }
.c-cue b { display: block; height: 100%; background: var(--ice); transform-origin: left; transform: scaleX(0); box-shadow: 0 0 8px var(--ice); }
.c-spark { display: none; }

/* fewer words: headline, one line, one button; the honesty note moves to the top corner */
.c-hero-side { max-width: 360px; gap: 18px; }
.c-hero-side p { font-size: 15.5px; line-height: 1.65; color: #b9c8d0; }
.c-hero-side .c-actions { align-items: center; gap: 20px; }
.c-hero-note { position: absolute; top: 24px; right: var(--pad); left: auto; font-size: 10px; letter-spacing: .1em; color: var(--dim); text-align: right; max-width: 60%; }
@media (max-width: 899px) {
  .c-hero-halo { top: 18%; width: 100%; }
  .c-hero-note { left: var(--pad); right: var(--pad); text-align: left; max-width: none; font-size: 9px; }
  .c-cue { top: calc(100% + 10px); font-size: 10px; }
  .c-cue i { width: 96px; }
}

/* opening (first visit per session; html[data-intro] is set before first paint and removed by breath.js) */
html[data-intro] .c-spark { display: block; position: absolute; left: 51.8%; top: 30.8%; width: 12px; height: 12px; margin: -6px 0 0 -6px; border-radius: 50%;
  background: #d8fff5; box-shadow: 0 0 12px 4px rgba(140, 245, 215, .9), 0 0 60px 20px rgba(120, 235, 205, .35); animation: intro-spark 2.6s var(--ease) both; }
html[data-intro] .c-hero-obj img { animation: intro-obj 1.3s var(--ease) 1.1s both; }
html[data-intro] .c-led { animation: intro-fade .6s ease 1.9s both; }
html[data-intro] .c-field-hero, html[data-intro] .c-hero-halo { animation: intro-fade 1.4s ease .5s both; }
html[data-intro] .c-hero-copy { animation: intro-copy .9s var(--ease) 2.2s both; }
html[data-intro] .c-hero-note, html[data-intro] .c-header { animation: intro-fade .8s ease 2.6s both; }
html[data-intro] .c-hud { animation: intro-fade .8s ease 2.8s both; }
@keyframes intro-spark { 0% { opacity: 0; transform: scale(.2); } 18% { opacity: 1; transform: scale(1); } 30% { transform: scale(.8); } 42% { transform: scale(1.15); }
  70% { opacity: 1; transform: scale(1); } 100% { opacity: 0; transform: scale(2.4); } }
@keyframes intro-obj { from { opacity: 0; filter: blur(14px) brightness(1.7); transform: scale(.94); } to { opacity: 1; filter: none; transform: none; } }
@keyframes intro-fade { from { opacity: 0; } to { opacity: 1; } }
@keyframes intro-copy { from { opacity: 0; transform: translateY(18px); } to { opacity: 1; transform: none; } }

/* v3.2.3: status light rebuilt as three composited layers (no blend mode, no animated box-shadow) — much cheaper to animate */
.c-led::before, .c-led::after { content: none; display: none; }
.c-led i { position: absolute; border-radius: 999px; will-change: opacity; pointer-events: none; }
.c-led .cap { inset: 0; background: linear-gradient(90deg, #2f4a4c, #35565a 50%, #2f4a4c); opacity: .4; }
.c-led .lit { inset: -2px -1%; background: linear-gradient(90deg, #c8fff3, #e6fffa 50%, #c8fff3); box-shadow: 0 0 6px 1px rgba(150, 250, 222, .9); opacity: .5; }
.c-led .glow { left: -60%; right: -60%; top: -900%; bottom: -900%; border-radius: 50%; opacity: .5;
  background: radial-gradient(ellipse at center, rgba(140, 245, 215, .55) 0%, rgba(120, 235, 205, .22) 28%, rgba(120, 235, 205, .07) 52%, transparent 70%); }
.c-hero-halo { will-change: opacity; }
.c-hero-side p { font-size: clamp(16px, 1.45vw, 21px); line-height: 1.5; color: #d6e6ee; letter-spacing: .02em; }

/* v3.3: captions / notes that are now empty disappear instead of leaving an empty pill */
.c-note:empty, figcaption:empty, .c-caption:empty, .c-vp-status:empty, .c-pos-note:empty, .c-notice:empty, .c-mono:empty, .c-scene-media > span:empty { display: none; }
.c-cell { gap: 18px; }
.c-cell-ic svg { width: 40px; height: 40px; fill: none; stroke: var(--ice); stroke-width: 1.4; stroke-linecap: round; stroke-linejoin: round; opacity: .8; }
.c-cell-ic svg .d { stroke-dasharray: 2 4; opacity: .6; }

/* v3.3.1 story: facts under each module · the statement steps aside fully once the devices appear · lighter tabs */
.c-step-facts { list-style: none; margin: 14px 0 0; padding: 0; display: flex; flex-wrap: wrap; gap: 8px; }
.c-step-facts li { font-size: 10.5px; letter-spacing: .1em; color: var(--ice2); padding: 6px 11px; border: 1px solid var(--line2); border-radius: 30px; background: rgba(127, 227, 255, .05); white-space: nowrap; }
@media (min-width: 900px) {
  .c-story-l { display: grid; grid-template-columns: minmax(0, 1fr); align-content: center; }
  .c-story-l > .c-kicker { grid-row: 1; }
  .c-story .c-statement, .c-story-steps { grid-row: 2; grid-column: 1; align-self: start; }
  .c-story-more { grid-row: 3; }
  .c-story-steps { margin-top: 0; }
  .c-story .c-statement { transition: opacity .5s var(--ease), transform .5s var(--ease); }
  .c-story.is-product .c-statement { opacity: 0; transform: translateY(-16px); pointer-events: none; font-size: clamp(20px, min(2.7vw, 4.4vh), 48px); }
  .c-story-step h3 { font-size: clamp(28px, min(2.8vw, 4.4vh), 46px); }
  .c-story-step p { font-size: clamp(14px, 2vh, 17px); max-width: 40ch; }
  .c-story-foot .c-anchors { gap: 10px; }
  .c-story-foot .c-anchor { padding-top: 10px; padding-bottom: 10px; }
  .c-story-foot .c-anchor .c-anchor-k { font-size: 10px; }
  .c-story-foot .c-anchor strong { font-size: 16px; }
  .c-story-more { margin-top: 18px; }
}
@media (max-width: 899px) and (min-height: 560px) {
  .c-step-facts { margin-top: 10px; gap: 6px; }
  .c-step-facts li { font-size: 9.5px; padding: 5px 9px; }
}
@media (min-width: 900px) { .c-story-more { justify-self: start; } }

/* v3.5 how: four frames of one evening session */
.c-how .c-shead { grid-template-columns: 1fr; gap: 14px; padding-bottom: 36px; }
.c-how .c-shead-r { align-self: start; }
.c-how .c-shead-r p { margin: 0; color: var(--mute); font-size: 16px; }
.c-how-ic, .c-how-step .c-dotnum, .c-how-code { display: none; }
.c-how-step { padding: 0 !important; gap: 0 !important; background: none !important; border: 0 !important; overflow: visible !important; }
.c-how-step::before, .c-how-step::after { display: none !important; }
.c-how-media { position: relative; aspect-ratio: 4 / 5; border-radius: 12px; overflow: hidden; background: #0c1418; border: 1px solid rgba(255, 255, 255, .07); }
.c-how-media img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.c-how-media img.app { object-position: 50% 11%; }
.c-how-end { position: absolute; inset: 0; display: grid; place-content: center; justify-items: center; gap: 6px; background: linear-gradient(#0f1a1f, #0b1317); }
.c-how-end b { font: 200 48px/1 var(--sans); color: #e6eef2; font-variant-numeric: tabular-nums; }
.c-how-end small { font-size: 13px; color: #a8f0dc; }
.c-how-end i { width: 40px; height: 1px; background: rgba(255, 255, 255, .18); margin: 8px 0; }
.c-how-end em { font-style: normal; font-size: 13px; color: var(--mute); }
.c-how-meta { display: flex; justify-content: space-between; align-items: baseline; margin: 16px 0 8px; padding-top: 12px; border-top: 1px solid var(--line); }
.c-how-t { font-size: 12px; letter-spacing: .12em; color: var(--ice); }
.c-how-n { font-size: 10.5px; letter-spacing: .14em; color: var(--dim); }
.c-how-step h3 { font-size: 20px !important; margin: 0 0 6px !important; }
.c-how-step p { font-size: 14.5px !important; line-height: 1.6; }
@media (min-width: 1100px) { .c-how-row { grid-template-columns: repeat(4, 1fr) !important; gap: 20px !important; } .c-how-step + .c-how-step { margin-left: 0 !important; } }
@media (max-width: 1099px) { .c-how-row { grid-template-columns: 1fr 1fr !important; gap: 22px 12px !important; } }
@media (max-width: 899px) { .c-how-media { aspect-ratio: 1 / 1; } .c-how-end b { font-size: 34px; } .c-how-step h3 { font-size: 17px !important; } .c-how-step p { font-size: 13px !important; } }

/* v3.5.1 how: fixes */
.c-how-step { clip-path: none !important; }
.c-how-media img.app { object-position: 50% 9%; -webkit-mask-image: linear-gradient(transparent 1%, #000 8%, #000 72%, transparent 96%); mask-image: linear-gradient(transparent 1%, #000 8%, #000 72%, transparent 96%); }
.c-how-step:nth-child(3) .c-how-media img { object-position: 50% 62%; }
.c-how-end { place-content: stretch; grid-template-rows: auto 1fr auto auto; justify-items: center; gap: 0; padding: 22px 20px 24px; background: linear-gradient(#0f1a1f, #0a1216); }
.c-how-end-k { justify-self: start; font-size: 10px; letter-spacing: .2em; color: var(--ice); }
.c-how-ring { position: relative; align-self: center; width: min(78%, 220px); aspect-ratio: 1; display: grid; place-content: center; justify-items: center; gap: 6px; }
.c-how-ring svg { position: absolute; inset: 0; width: 100%; height: 100%; }
.c-how-ring .bg { fill: none; stroke: rgba(127, 227, 255, .12); stroke-width: 5; }
.c-how-ring .fg { fill: none; stroke: #8cf5d7; stroke-width: 5; filter: drop-shadow(0 0 6px rgba(140, 245, 215, .7)); }
.c-how-ring .dot { fill: none; stroke: rgba(127, 227, 255, .12); stroke-dasharray: 2 6; }
.c-how-ring b { position: relative; font: 200 44px/1 var(--sans); color: #e6eef2; font-variant-numeric: tabular-nums; }
.c-how-ring small { position: relative; font-size: 12px; letter-spacing: .12em; color: #a8f0dc; }
.c-how-end i { display: none; }
.c-how-end-row { display: flex; justify-content: space-between; width: 100%; margin: 0 0 12px; padding: 10px 12px; border-radius: 10px; background: rgba(12, 31, 42, .6); border: 1px solid rgba(127, 227, 255, .12); font-size: 12.5px; color: #dfe9ee; }
.c-how-end-row span + span { font-family: var(--mono); font-size: 11px; color: var(--mute); }
.c-how-end em { font-style: normal; font-size: 12.5px; color: var(--mute); }
@media (max-width: 899px) { .c-how-end { padding: 14px 12px 14px; } .c-how-ring b { font-size: 28px; } .c-how-end-row { font-size: 11px; padding: 7px 8px; margin-bottom: 8px; } .c-how-end em { font-size: 11px; } }
@media (max-width: 899px) { .c-how-end { grid-template-rows: auto 1fr; } .c-how-end-row, .c-how-end em { display: none; } .c-how-ring { width: 74%; } .c-how-ring small { font-size: 11px; } }
@media (max-width: 899px) { .c-how-ring b { font-size: 24px; } }
/* v3.5.2 how: the whole hub, lit, in step 3 */
.c-how-step:nth-child(3) .c-how-media { background: radial-gradient(ellipse 70% 38% at 50% 62%, rgba(140, 170, 255, .22), transparent 70%), radial-gradient(ellipse 90% 70% at 50% 40%, #1a2630, #0b1216 75%); }
.c-how-media img.hub { object-fit: contain; object-position: 50% 50%; inset: 10% 8%; width: 84%; height: 80%; filter: drop-shadow(0 24px 30px rgba(0, 0, 0, .6)) drop-shadow(0 0 26px rgba(150, 120, 255, .25)); }
.c-how-step:nth-child(3) .c-how-media::after { content: ""; position: absolute; left: 14%; right: 14%; top: 52%; height: 26%; border-radius: 50%; pointer-events: none;
  background: radial-gradient(closest-side, rgba(150, 200, 255, .32), rgba(140, 245, 215, .12) 55%, transparent); filter: blur(10px); animation: c-how-breath 5s ease-in-out infinite; }
.c-how-media img.hub { z-index: 1; }
@keyframes c-how-breath { 0%, 100% { opacity: .35; transform: scale(.92); } 40% { opacity: 1; transform: scale(1.05); } }
html[data-motion="reduce"] .c-how-step:nth-child(3) .c-how-media::after { animation: none; opacity: .7; }
@media (prefers-reduced-motion: reduce) { .c-how-step:nth-child(3) .c-how-media::after { animation: none; opacity: .7; } }
.c-how-step:nth-child(3) .c-how-media::after { left: 6%; right: 6%; top: 60%; height: 30%; background: radial-gradient(closest-side, rgba(160, 140, 255, .55), rgba(127, 227, 255, .22) 55%, transparent); filter: blur(14px); }

/* v3.6 home 3D block */
#core .c-shead { grid-template-columns: 1fr; gap: 14px; padding-bottom: 36px; }
#core .c-shead-r { align-self: start; }
#core .c-shead-r p { margin: 0; color: var(--mute); font-size: 16px; }
.c-vp-overlay { align-items: center; padding-bottom: 0; pointer-events: none; }
.c-vp-play { pointer-events: auto; display: inline-flex; align-items: center; gap: 12px; padding: 14px 22px 14px 16px; border-radius: 40px; cursor: pointer;
  border: 1px solid rgba(127, 227, 255, .5); background: rgba(5, 14, 20, .72); backdrop-filter: blur(6px); color: #eaf6fb; font: 500 16px var(--sans);
  box-shadow: 0 0 0 6px rgba(127, 227, 255, .06), 0 10px 30px rgba(0, 0, 0, .4); transition: border-color .2s, background .2s, transform .2s; }
.c-vp-play i { display: grid; place-items: center; width: 38px; height: 38px; border-radius: 50%; background: var(--ice); color: #031118; font-style: normal; font-size: 13px; padding-left: 2px; }
.c-vp-play small { font-size: 11px; letter-spacing: .1em; color: var(--mute); }
.c-vp-play:hover, .c-vp-play:focus-visible { border-color: var(--ice); background: rgba(10, 28, 38, .85); transform: translateY(-1px); }
.c-vp-poster img { filter: none; }
.c-ex-hint { margin: 4px 0 0; padding: 12px 14px; border: 1px solid var(--line); border-radius: 10px; font-size: 13.5px; line-height: 1.6; color: var(--mute); }
.c-explorer:not(.is-live) .c-ex-reset { display: none; }
.c-ex-dims { margin: 6px 0 0; font-size: 13px; color: var(--mute); }
@media (max-width: 899px) { .c-vp-play { font-size: 14px; padding: 10px 16px 10px 10px; } .c-vp-play i { width: 32px; height: 32px; } }
.c-vp-poster { place-items: stretch; inset: 64px 8% 64px; } .c-vp-poster > picture { display: block; width: 100%; height: 100%; min-height: 0; } .c-vp-poster img { display: block; width: 100%; height: 100%; object-fit: contain; }
.c-part-info p { min-height: 0; } .c-part-info p[data-info-copy] { min-height: 48px; }
/* v3.6.2: 3D starts by itself — no button, a quiet loading line over the poster */
.c-explorer.is-auto:not(.is-live) .c-vp-play { display: none; }
.c-explorer.is-auto:not(.is-live) .c-vp-status { color: var(--ice2); }
/* v3.6.3: touch hints */
.c-ex-hint .h-touch, .c-vp-chip { display: none; }
@media (pointer: coarse) {
  .c-ex-hint .h-fine { display: none; }
  .c-ex-hint .h-touch { display: inline; }
  .c-explorer.is-live:not(.is-touched) .c-vp-chip { display: block; position: absolute; left: 50%; bottom: 16px; translate: -50% 0; z-index: 6; pointer-events: none;
    padding: 6px 12px; border-radius: 20px; border: 1px solid rgba(127, 227, 255, .35); background: rgba(5, 14, 20, .7); font-size: 11px; letter-spacing: .12em; color: var(--ice2); }
}
/* v3.6.4 home 3D block: heading sits in the right column, so the viewport and controls start together and fit one screen */
.c-ex-head .c-shead { padding-bottom: 8px; }
@media (min-width: 1080px) {
  .c-explorer:has(> .c-ex-head) { grid-template-columns: 1.7fr 1fr; grid-template-rows: auto 1fr; column-gap: 44px; row-gap: 26px; align-items: start; }
  .c-explorer > .c-ex-head { grid-column: 2; grid-row: 1; }
  .c-explorer:has(> .c-ex-head) > .c-viewport { grid-column: 1; grid-row: 1 / span 2; min-height: min(640px, calc(100vh - 200px)); height: min(640px, calc(100vh - 200px)); }
  .c-explorer:has(> .c-ex-head) > .c-controls { grid-column: 2; grid-row: 2; }
  .c-ex-head .c-shead { grid-template-columns: 1fr; gap: 10px; padding: 0; }
  .c-ex-head .c-shead h2 { margin-top: 14px; font-size: clamp(30px, 2.6vw, 42px); }
  .c-ex-head .c-shead-r { align-self: start; }
  .c-ex-head .c-shead-r p { margin: 0; font-size: 15px; color: var(--mute); }
  .c-explorer:has(> .c-ex-head) .c-controls { gap: 14px; }
}
/* v3.6.5: part names beside the exploded view; no MOD codes in the info panel */
.c-ex-labels { position: absolute; inset: 0; z-index: 3; pointer-events: none; opacity: 0; }
.c-ex-labels svg { position: absolute; inset: 0; width: 100%; height: 100%; overflow: visible; }
.c-ex-labels path { fill: none; stroke: rgba(127, 227, 255, .45); stroke-width: .8; }
.c-ex-labels span { position: absolute; left: 0; top: 0; font: 400 11.5px/16px var(--sans); color: #dfe9ee; white-space: nowrap; text-shadow: 0 1px 3px rgba(0, 0, 0, .9); }
.c-ex-labels span[hidden] { display: none; }
.c-part-code { display: none !important; }
@media (max-width: 899px) {
  .c-ex-labels span { font-size: 9.5px; line-height: 13px; }
  .c-part-info p[data-info-copy] { min-height: 0; margin-bottom: 0; }
  .c-ex-hint { margin-top: 0; }
}

/* v3.7 home 3D: a full-width pinned stage — scrolling takes the hub apart, layer by layer */
.c-core-xs { position: relative; }
.c-xs { position: relative; height: 340vh; }
.c-xs-pin { position: sticky; top: 0; height: 100vh; height: 100svh; overflow: hidden; }
.c-explorer.is-scroll { display: block; position: absolute; inset: 0; }
.c-explorer.is-scroll .c-viewport { position: absolute; inset: 0; min-height: 0; height: auto; border: 0; border-radius: 0; box-shadow: none; overflow: hidden;
  background: radial-gradient(ellipse 55% 60% at 62% 56%, rgba(24, 46, 58, .55), transparent 72%); }
.c-explorer.is-scroll .c-viewport::before, .c-explorer.is-scroll .c-viewport::after { display: none; }
.c-explorer.is-scroll .c-vp-poster { inset: 16% 6% 14% 36%; }
.c-explorer.is-scroll .c-vp-overlay { left: 30%; }
.c-xs-head { position: absolute; z-index: 5; left: var(--pad); top: clamp(96px, 14vh, 150px); width: min(430px, 34vw); pointer-events: none; }
.c-xs-head .c-shead { display: block; padding: 0; }
.c-xs-head .c-shead h2 { margin-top: 18px; font-size: clamp(36px, 3.6vw, 60px); line-height: 1.12; }
.c-xs-head .c-shead-r { display: block; margin-top: 18px; }
.c-xs-head .c-shead-r p { margin: 0; font-size: 16px; color: var(--mute); max-width: 360px; }
.c-xs-bar { position: absolute; z-index: 5; left: var(--pad); right: var(--pad); bottom: clamp(24px, 5vh, 44px); display: flex; align-items: center; gap: 34px; }
.c-xs-tabs { display: flex; gap: 22px; }
.c-xs-tabs button { position: relative; padding: 8px 0 10px; border: 0; background: none; color: var(--mute); font: 400 15px var(--sans); cursor: pointer; }
.c-xs-tabs button[aria-pressed="true"] { color: #eaf6fb; }
.c-xs-tabs button[aria-pressed="true"]::after { content: ""; position: absolute; left: 0; right: 0; bottom: 0; height: 2px; background: var(--ice); }
.c-xs-tabs button:hover { color: #eaf6fb; }
.c-xs-count { margin: 0; display: flex; align-items: center; gap: 12px; font-size: 12px; letter-spacing: .14em; color: var(--ice2); }
.c-xs-count i { width: 7px; height: 7px; border-radius: 50%; background: var(--ice); box-shadow: 0 0 10px var(--ice); animation: c-xs-blink 1.6s ease-in-out infinite; }
.c-explorer.is-open .c-xs-count i { animation: none; }
@keyframes c-xs-blink { 50% { opacity: .25; } }
.c-xs-drag { margin-left: auto; font-size: 11px; letter-spacing: .16em; color: var(--dim); transition: opacity .4s; }
.c-explorer.is-touched .c-xs-drag, .c-explorer:not(.is-live) .c-xs-drag { opacity: 0; }
.c-xs-progress { position: absolute; z-index: 5; left: 0; right: 0; bottom: 0; height: 2px; background: rgba(127, 227, 255, .08); }
.c-xs-progress i { display: block; height: 100%; background: linear-gradient(90deg, rgba(127, 227, 255, .3), var(--ice)); transform-origin: left; transform: scaleX(0); }
.c-explorer.is-scroll .c-ex-labels span { font-size: 13px; line-height: 18px; }
.c-explorer.is-scroll canvas { cursor: grab; }
html[data-motion="reduce"] .c-xs-count i { animation: none; }
@media (pointer: coarse) { .c-xs-drag { display: none; } }
@media (max-width: 899px) {
  .c-xs { height: 300vh; }
  .c-xs-head { top: 84px; left: 20px; right: 20px; width: auto; }
  .c-xs-head .c-shead h2 { font-size: 30px; margin-top: 12px; }
  .c-xs-head .c-shead-r { margin-top: 10px; }
  .c-xs-head .c-shead-r p { font-size: 14px; }
  .c-explorer.is-scroll .c-vp-poster { inset: 36% 6% 16% 6%; }
  .c-explorer.is-scroll .c-vp-overlay { left: 0; top: 20%; }
  .c-xs-bar { left: 20px; right: 20px; bottom: 22px; flex-wrap: wrap; gap: 8px 22px; }
  .c-xs-count { font-size: 10.5px; flex-basis: 100%; order: -1; }
  .c-explorer.is-scroll .c-ex-labels span { font-size: 10px; line-height: 13px; }
}
/* v3.7.2: full-specs link at the end of the 3D block's bottom row */
.c-xs-specs { font-size: 13px; white-space: nowrap; }
.c-explorer.is-touched .c-xs-specs, .c-explorer:not(.is-live) .c-xs-specs { margin-left: auto; }
@media (pointer: coarse) { .c-xs-specs { margin-left: auto; } }
/* v3.7.4: the review block is reserved — three quiet slots and one contact button until real videos are listed */
.c-reviews .c-shead { grid-template-columns: 1fr; gap: 14px; }
.c-reviews .c-shead-r { align-self: start; }
.c-reviews .c-shead-r p { margin: 0; max-width: 620px; color: var(--mute); font-size: 16px; }
.c-reviews.is-empty .c-rv-status, .c-reviews.is-empty .c-rv-foot { display: none; }
.c-reviews.is-empty .c-rv-empty-t { display: flex; align-items: center; justify-content: center; }
/* v3.7.5: one reserved video slot (poster + label), replaced by real videos once reviews.json lists them */
.c-reviews.is-empty .c-rv-empty { display: grid; grid-template-columns: 1.7fr 1fr; gap: 44px; align-items: center; padding: 26px; }
.c-rv-hold { position: relative; margin: 0; aspect-ratio: 16 / 9; border-radius: 14px; overflow: hidden; border: 1px solid var(--line);
  background: radial-gradient(ellipse 60% 70% at 50% 55%, #1c2a33, #0a1216 75%); }
.c-rv-hold picture, .c-rv-hold img { position: absolute; inset: 7% 20% 14%; width: 60%; height: 79%; object-fit: contain; opacity: .55; filter: saturate(.8); }
.c-rv-hold-tag { position: absolute; left: 18px; top: 16px; font-size: 11px; letter-spacing: .16em; color: var(--ice2); padding: 5px 10px; border: 1px solid var(--line2); border-radius: 20px; background: rgba(5, 14, 20, .6); }
.c-rv-hold-play { position: absolute; left: 50%; top: 46%; translate: -50% -50%; width: 70px; height: 70px; border-radius: 50%; border: 1px solid rgba(127, 227, 255, .35); background: rgba(5, 14, 20, .55); }
.c-rv-hold-play::after { content: ""; position: absolute; left: 53%; top: 50%; translate: -50% -50%; border-left: 16px solid rgba(234, 246, 251, .55); border-top: 10px solid transparent; border-bottom: 10px solid transparent; }
.c-rv-hold figcaption { position: absolute; left: 0; right: 0; bottom: 18px; text-align: center; font-size: 13.5px; color: var(--mute); }
.c-reviews.is-empty .c-rv-empty-t { display: block; }
.c-reviews.is-empty .c-rv-empty-t p { margin: 0 0 22px; font-size: 15px; line-height: 1.7; color: var(--mute); }
.c-rv-mini { display: none; }
@media (max-width: 899px) {
  .c-reviews.is-empty .c-rv-empty { grid-template-columns: 1fr; gap: 22px; padding: 16px; }
  .c-rv-hold-play { width: 54px; height: 54px; }
  .c-rv-hold figcaption { font-size: 12px; bottom: 12px; }
}

/* v3.8 home: compact R&D block */
.c-rd .c-kicker { margin-bottom: 18px; }
.c-rd h2 { margin: 0; font-size: clamp(36px, 3.6vw, 56px); font-weight: 300; }
.c-rd-lead { margin: 16px 0 44px; color: var(--mute); font-size: 16px; }
.c-rd-row { display: grid; grid-template-columns: 1fr 1fr 1.1fr; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.c-rd-n { padding: 34px 28px 30px 0; border-right: 1px solid var(--line); }
.c-rd-n + .c-rd-n { padding-left: 34px; }
.c-rd-n .c-dotnum { display: block; font-size: 84px; line-height: 1; color: var(--ice); }
.c-rd-n strong { display: block; margin-top: 18px; font-size: 18px; font-weight: 400; color: #eaf6fb; }
.c-rd-n small { display: block; margin-top: 6px; font-size: 13px; color: var(--mute); }
.c-rd-links { list-style: none; margin: 0; padding: 22px 0 22px 34px; display: grid; align-content: center; }
.c-rd-links a { display: flex; align-items: baseline; padding: 14px 0; border-bottom: 1px solid var(--line); color: #eaf6fb; text-decoration: none; font-size: 16px; }
.c-rd-links li:last-child a { border-bottom: 0; }
.c-rd-links a span { margin-left: auto; margin-right: 16px; font-size: 12.5px; color: var(--mute); }
.c-rd-links a i { font-style: normal; color: var(--ice); transition: transform .2s; }
.c-rd-links a:hover i, .c-rd-links a:focus-visible i { transform: translate(2px, -2px); }
.c-rd-links a:hover { color: var(--ice2); }
.c-rd-own { margin: 14px 0 0; font-size: 12.5px; color: var(--dim); }
@media (max-width: 899px) {
  .c-rd-row { grid-template-columns: 1fr 1fr; }
  .c-rd-n { padding: 24px 16px 22px 0; }
  .c-rd-n + .c-rd-n { padding-left: 18px; border-right: 0; }
  .c-rd-n .c-dotnum { font-size: 56px; }
  .c-rd-links { grid-column: 1 / -1; padding: 6px 0; border-top: 1px solid var(--line); }
}

/* v3.8.1 home closing block: one clear action, three short facts, no FAQ panel */
.c-r2-more { display: inline-flex; align-items: center; margin-left: 22px; color: var(--ice); text-decoration: none; font-size: 15px; border-bottom: 1px solid rgba(127, 227, 255, .4); padding-bottom: 3px; align-self: center; }
.c-r2-more:hover { color: var(--ice2); border-color: var(--ice2); }
.c-r2-facts { display: flex; flex-wrap: wrap; align-items: center; gap: 14px 34px; margin: 14px 0 0; padding: 20px 0; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.c-r2-facts ul { display: flex; flex-wrap: wrap; gap: 10px 34px; margin: 0; padding: 0; list-style: none; }
.c-r2-facts li { display: flex; align-items: center; gap: 12px; font-size: 16px; color: #dfe9ee; }
.c-r2-facts li::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: var(--ice); box-shadow: 0 0 8px var(--ice); }
.c-r2-facts .c-link { margin-left: auto; }
@media (max-width: 899px) {
  .c-r2-more { margin: 14px 0 0; align-self: flex-start; }
  .c-r2-facts { flex-direction: column; align-items: flex-start; }
  .c-r2-facts ul { flex-direction: column; gap: 12px; }
  .c-r2-facts .c-link { margin-left: 0; }
}

/* v3.8.2 — closing: inline early-list form + breathing US$1 */
.c-r2-form { max-width: 540px; margin-top: 8px; }
.c-r2-row { display: flex; border: 1px solid var(--line2); background: rgba(5, 14, 20, .6); }
.c-r2-row:focus-within { border-color: rgba(127, 227, 255, .6); }
.c-r2-row input { flex: 1; min-width: 0; padding: 16px 18px; margin: 0; background: none; border: 0; color: #eaf6fb; font: 15px var(--sans); outline: none; }
.c-r2-row input::placeholder { color: var(--dim); }
.c-r2-row input[aria-invalid="true"] { box-shadow: inset 0 -2px 0 #ffb0a3; }
.c-r2-row .c-btn { margin: 0; border-radius: 0; white-space: nowrap; }
.c-r2-form .c-msg { margin: 8px 0 0; }
.c-r2-note { display: block; margin-top: 4px; font-size: 12.5px; color: var(--dim); line-height: 1.6; }
.c-r2-note a { color: var(--dim); text-decoration: underline; text-underline-offset: 3px; }
.c-r2-copy > .c-r2-more { margin: 18px 0 0; display: inline-block; }
.c-reserve2 .c-bigprice { animation: c-r2-breath 5s ease-in-out infinite; }
@keyframes c-r2-breath { 0%, 100% { filter: brightness(.72); } 40% { filter: brightness(1.12) drop-shadow(0 0 22px rgba(127, 227, 255, .5)); } }
@media (prefers-reduced-motion: reduce) { .c-reserve2 .c-bigprice { animation: none; } }
@media (max-width: 899px) {
  .c-r2-row { flex-direction: column; }
  .c-r2-row .c-btn { justify-content: space-between; }
}

/* v3.8.4 — 3D teardown progress: a short track beside the counter instead of a full-width line */
.c-xs-progress { display: none; }
.c-xs-track { position: relative; flex: none; width: 96px; height: 2px; background: rgba(127, 227, 255, .15); overflow: hidden; }
.c-xs-count .c-xs-track i { position: absolute; inset: 0; width: auto; height: auto; border-radius: 0; animation: none; box-shadow: none;
  background: linear-gradient(90deg, rgba(127, 227, 255, .45), var(--ice)); transform-origin: left; transform: scaleX(0); }
@media (max-width: 899px) { .c-xs-track { width: 72px; } }