:root {
  --bg: #000;
  --fg: #fff;
  --dim: #a1a1a6;
  --faint: #6e6e73;
  --line: #1d1d1f;
  --card: #111113;
  --card-line: #232326;
  --paper: #fff;
  --ink: #000;
  --ink-dim: #5f5f64;
  --radius: 22px;
  --max: 1120px;
  --font: -apple-system, BlinkMacSystemFont, "SF Pro Display", "SF Pro Text", "Helvetica Neue", Helvetica, Arial, sans-serif;
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  overflow-x: hidden;
  background: var(--bg);
  color: var(--fg);
  font: 400 17px/1.55 var(--font);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}
a { color: inherit; text-decoration: none; }
img, video { display: block; max-width: 100%; }
::selection { background: #fff; color: #000; }

.wrap { width: 100%; max-width: var(--max); margin: 0 auto; padding: 0 24px; }

.nav { position: sticky; top: 0; z-index: 10; background: rgba(0, 0, 0, .72); backdrop-filter: saturate(180%) blur(20px); -webkit-backdrop-filter: saturate(180%) blur(20px); border-bottom: 1px solid var(--line); }
.nav .wrap { display: flex; align-items: center; justify-content: space-between; height: 60px; }
.brand { display: flex; align-items: center; gap: 10px; font-weight: 600; font-size: 18px; letter-spacing: -.01em; }
.brand img { width: 28px; height: 28px; border-radius: 7px; border: 1px solid #2a2a2d; }
.links { display: flex; align-items: center; gap: 28px; font-size: 14px; color: var(--dim); }
.links a:hover { color: var(--fg); }
.links .pill { color: var(--ink); background: var(--paper); padding: 8px 16px; border-radius: 999px; font-weight: 500; }
.links .pill:hover { color: var(--ink); background: #e8e8ed; }

.hero { padding: 72px 0 40px; }
.hero .wrap { display: grid; grid-template-columns: 1.1fr .9fr; gap: 48px; align-items: center; }
.eyebrow { display: inline-flex; align-items: center; gap: 8px; font-size: 12px; font-weight: 600; letter-spacing: .14em; text-transform: uppercase; color: var(--dim); border: 1px solid var(--card-line); border-radius: 999px; padding: 7px 14px; }
.eyebrow i { width: 6px; height: 6px; border-radius: 50%; background: var(--fg); display: block; }
h1 { font-size: clamp(44px, 6.4vw, 76px); line-height: 1.02; letter-spacing: -.035em; font-weight: 700; margin: 24px 0 20px; }
h1 span { color: var(--faint); }
.lede { font-size: clamp(18px, 1.6vw, 21px); color: var(--dim); max-width: 520px; margin: 0 0 32px; }
.cta { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; }
.btn { display: inline-flex; align-items: center; gap: 10px; height: 52px; padding: 0 24px; border-radius: 999px; font-size: 16px; font-weight: 600; }
.btn.solid { background: var(--paper); color: var(--ink); }
.btn.ghost { border: 1px solid var(--card-line); color: var(--fg); }
.btn.ghost:hover { border-color: #3a3a3d; }
.btn svg { width: 20px; height: 20px; }
.note { margin-top: 16px; font-size: 13px; color: var(--faint); }

.stage { display: flex; justify-content: center; position: relative; }
.stage::before { content: ""; position: absolute; inset: 8% 4%; background: radial-gradient(closest-side, rgba(255, 255, 255, .09), transparent); filter: blur(10px); }
.device { position: relative; width: 310px; padding: 12px; border-radius: 58px; background: #0a0a0b; box-shadow: 0 0 0 1px #2c2c2f, 0 0 0 5px #121214, 0 0 0 6px #2c2c2f, 0 50px 100px -30px rgba(255, 255, 255, .12); }
.device::before, .device::after { content: ""; position: absolute; width: 4px; border-radius: 2px; background: #2c2c2f; }
.device::before { left: -10px; top: 150px; height: 64px; box-shadow: 0 80px 0 #2c2c2f; }
.device::after { right: -10px; top: 190px; height: 96px; }
.screen { position: relative; border-radius: 46px; overflow: hidden; background: #000; aspect-ratio: 1290 / 2796; }
.screen video, .screen img { width: 100%; height: 100%; object-fit: cover; }
.island { position: absolute; top: 11px; left: 50%; transform: translateX(-50%); width: 31%; height: 29px; border-radius: 20px; background: #000; z-index: 2; }

.strip { border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); margin-top: 56px; }
.strip .wrap { display: grid; grid-template-columns: repeat(4, 1fr); }
.strip .wrap > div { padding: 28px 0; }
.strip .wrap > div + div { padding-left: 24px; border-left: 1px solid var(--line); }
.strip b { display: block; font-size: 22px; font-weight: 600; letter-spacing: -.02em; }
.strip span { font-size: 14px; color: var(--faint); }

section { padding: 96px 0 0; }
.head { max-width: 640px; margin-bottom: 40px; }
h2 { font-size: clamp(32px, 4vw, 48px); line-height: 1.08; letter-spacing: -.03em; font-weight: 700; margin: 0 0 14px; }
.head p { color: var(--dim); margin: 0; font-size: 19px; }

.grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.card { border-radius: var(--radius); padding: 32px; background: var(--card); border: 1px solid var(--card-line); min-height: 240px; display: flex; flex-direction: column; }
.card.white { background: var(--paper); color: var(--ink); border-color: var(--paper); }
.card.wide { grid-column: span 2; }
.card .icon { width: 44px; height: 44px; border-radius: 12px; display: grid; place-items: center; border: 1px solid var(--card-line); margin-bottom: auto; }
.card.white .icon { border-color: #e2e2e6; }
.card .icon svg { width: 22px; height: 22px; }
.card h3 { font-size: 22px; letter-spacing: -.02em; font-weight: 600; margin: 32px 0 8px; }
.card p { margin: 0; color: var(--dim); font-size: 16px; }
.card.white p { color: var(--ink-dim); }
.tags { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 20px; }
.tags span { font-size: 12px; font-weight: 600; letter-spacing: .06em; padding: 6px 10px; border-radius: 8px; background: #f2f2f5; color: #1d1d1f; }

.band { margin-top: 96px; border-radius: 28px; border: 1px solid var(--card-line); background: var(--card); padding: 56px; display: grid; grid-template-columns: 1fr auto; gap: 32px; align-items: center; }
.band h2 { margin: 0 0 10px; }
.band p { margin: 0; color: var(--dim); }

footer { margin-top: 96px; border-top: 1px solid var(--line); padding: 32px 0 48px; font-size: 14px; color: var(--faint); }
footer .wrap { display: flex; flex-wrap: wrap; gap: 16px; justify-content: space-between; align-items: center; }
footer nav { display: flex; gap: 24px; }
footer a:hover { color: var(--fg); }

.doc { padding: 72px 0 0; }
.doc .wrap { max-width: 760px; }
.doc h1 { font-size: clamp(40px, 5vw, 56px); margin: 16px 0 8px; }
.doc .meta { color: var(--faint); font-size: 15px; margin: 0 0 40px; }
.summary { background: var(--paper); color: var(--ink); border-radius: var(--radius); padding: 32px; margin-bottom: 48px; }
.doc .summary h2 { font-size: 20px; letter-spacing: -.01em; margin: 0 0 14px; }
.doc .summary ul { margin: 0; padding-left: 20px; }
.doc .summary li { color: #3a3a3f; }
.summary li + li { margin-top: 8px; }
.doc h2 { font-size: 24px; letter-spacing: -.02em; margin: 48px 0 12px; }
.doc h3 { font-size: 18px; margin: 28px 0 8px; font-weight: 600; }
.doc p, .doc li { color: #d2d2d7; }
.doc ul { padding-left: 20px; }
.doc li + li { margin-top: 6px; }
.doc a { text-decoration: underline; text-underline-offset: 3px; text-decoration-color: #555; }
.doc .box { border: 1px solid var(--card-line); background: var(--card); border-radius: 18px; padding: 24px; margin: 24px 0; }
.doc .box p { margin: 0; }
.toc { display: flex; flex-wrap: wrap; gap: 8px; margin: 0 0 40px; }
.toc a { font-size: 13px; color: var(--dim); border: 1px solid var(--card-line); border-radius: 999px; padding: 6px 12px; }
.toc a:hover { color: var(--fg); border-color: #3a3a3d; }

@media (max-width: 920px) {
  .hero { padding-top: 48px; }
  .hero .wrap { grid-template-columns: 1fr; text-align: center; }
  .lede { margin-left: auto; margin-right: auto; }
  .cta { justify-content: center; }
  .grid { grid-template-columns: 1fr 1fr; }
  .card.wide { grid-column: span 2; }
  .strip .wrap { grid-template-columns: 1fr 1fr; }
  .strip .wrap > div:nth-child(3) { padding-left: 0; border-left: 0; }
  .strip .wrap > div:nth-child(n + 3) { border-top: 1px solid var(--line); }
  .band { grid-template-columns: 1fr; padding: 40px 32px; }
}

@media (max-width: 600px) {
  body { font-size: 16px; }
  .wrap { padding: 0 16px; }
  .links { gap: 18px; }
  .eyebrow { font-size: 10.5px; letter-spacing: .1em; padding: 6px 12px; max-width: 100%; }
  h1 { font-size: 42px; }
  .btn { width: 100%; justify-content: center; }
  .links .hide { display: none; }
  .device { width: 260px; border-radius: 50px; padding: 10px; }
  .screen { border-radius: 40px; }
  .island { height: 24px; top: 9px; }
  .grid { grid-template-columns: 1fr; }
  .card.wide { grid-column: auto; }
  .card { min-height: 0; padding: 28px; }
  section { padding-top: 72px; }
  .strip .wrap > div { padding: 20px 0; }
  .strip .wrap > div + div { padding-left: 16px; }
  .strip b { font-size: 18px; }
  .doc { padding-top: 48px; }
  .summary { padding: 24px; }
}

@media (prefers-reduced-motion: reduce) {
  .screen video { display: none; }
}
.doc .toc a { text-decoration: none; }
.chips { display: flex; flex-wrap: wrap; gap: 8px; margin: 8px 0 0; }
.chips span { font-size: 13px; font-weight: 600; letter-spacing: .04em; padding: 8px 12px; border-radius: 10px; background: var(--paper); color: var(--ink); }
.doc .box { background: var(--paper); border-color: var(--paper); }
.doc .box p { color: var(--ink); font-weight: 500; }