:root {
  color-scheme: dark;
  --bg: #0f1119;
  --bg2: #141824;
  --line: #2a3040;
  --text: #f3efe6;
  --soft: #c9ccd6;
  --muted: #8f96a8;
  --coral: #ff946e;
  --cream: #ffe9bd;
  --green: #d8edac;
  --display: "Bricolage Grotesque", "Inter", system-ui, sans-serif;
  --body: "Inter", system-ui, -apple-system, "Segoe UI", sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, Menlo, monospace;
  --gl: max(24px, env(safe-area-inset-left, 0px));
  --gr: max(24px, env(safe-area-inset-right, 0px));
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--bg); color: var(--text); font: 17px/1.6 var(--body); }
img, video { display: block; max-width: 100%; height: auto; }
a { color: var(--cream); text-underline-offset: 3px; }
:focus-visible { outline: 2px solid var(--cream); outline-offset: 3px; border-radius: 6px; }
.wrap { max-width: 1080px; margin: 0 auto; padding-left: var(--gl); padding-right: var(--gr); }

/* bar */
.bar { position: sticky; top: 0; z-index: 10; display: flex; align-items: center; gap: 28px; padding: 14px var(--gr) 14px var(--gl);
  background: rgba(15,17,25,.82); backdrop-filter: blur(12px); border-bottom: 1px solid rgba(42,48,64,.7); }
.logo { font: 800 1.5rem/1 var(--display); letter-spacing: -.05em; color: var(--text); text-decoration: none; }
.logo span { color: var(--coral); }
.bar nav { display: flex; gap: 24px; margin-left: auto; font-size: .92rem; }
.bar nav a { color: var(--muted); text-decoration: none; }
.bar nav a:hover { color: var(--text); }
.pill { padding: 8px 16px; border-radius: 999px; background: var(--coral); color: #1d1513; font-weight: 600; font-size: .9rem; text-decoration: none; }

/* buttons */
.btn { display: inline-flex; align-items: center; min-height: 48px; padding: 0 22px; border-radius: 12px; border: 1px solid var(--line);
  color: var(--text); font-weight: 600; text-decoration: none; transition: border-color .15s, background .15s; }
.btn:hover { border-color: var(--muted); }
.btn.primary { background: var(--coral); border-color: var(--coral); color: #1d1513; }
.btn.primary:hover { background: #ffad8f; }
.ctas { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 22px; }
.ctas.center { justify-content: center; }

/* intro */
.intro { position: relative; overflow: hidden; padding: 84px 0 64px; }
.intro-sky { position: absolute; inset: 0; background:
  linear-gradient(180deg, rgba(15,17,25,.7), rgba(15,17,25,.88) 55%, var(--bg)), url("assets/art/night-room.webp") center 35% / cover; }
.intro-grid { position: relative; display: grid; grid-template-columns: minmax(0, 1fr) 300px; gap: 48px; align-items: center; }
.onair { display: inline-flex; align-items: center; gap: 10px; margin: 0 0 20px; font: 500 .78rem var(--mono); letter-spacing: .16em; text-transform: uppercase; color: var(--cream); }
.onair i { width: 9px; height: 9px; border-radius: 50%; background: #ff5f4a; box-shadow: 0 0 12px #ff5f4a; animation: lamp 2.6s ease-in-out infinite; }
@keyframes lamp { 50% { opacity: .45; } }
h1 { margin: 0; font: 800 clamp(2.8rem, 6.4vw, 5rem)/.98 var(--display); letter-spacing: -.045em; text-wrap: balance; }
.lede { margin: 18px 0 30px; font-size: 1.2rem; color: var(--soft); max-width: 30em; }
.dial { width: 100%; filter: drop-shadow(0 20px 40px rgba(0,0,0,.5)); animation: bob 5s ease-in-out infinite; }
@keyframes bob { 50% { transform: translateY(-8px); } }

/* install */
.install { max-width: 640px; padding: 18px; border-radius: 16px; background: rgba(10,12,18,.88); border: 1px solid var(--line); }
.install-head { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 6px 16px; margin-bottom: 12px; font: 500 .74rem var(--mono); letter-spacing: .12em; text-transform: uppercase; color: var(--green); }
.install-head .os { color: var(--muted); letter-spacing: .04em; text-transform: none; font-size: .78rem; }
.cmd { display: flex; align-items: center; gap: 10px; padding: 10px 10px 10px 16px; border-radius: 10px; background: #07080d; border: 1px solid #1e2330; }
.cmd + .cmd { margin-top: 8px; }
.cmd code { flex: 1; min-width: 0; overflow-x: auto; white-space: nowrap; font: 500 .95rem/1.6 var(--mono); color: var(--cream); }
.cmd .p { color: var(--muted); margin-right: 8px; user-select: none; }
.copy { flex: none; min-height: 36px; padding: 0 14px; border-radius: 8px; border: 1px solid var(--line); background: #171b26; color: var(--text); font: 600 .82rem var(--body); cursor: pointer; }
.copy:hover { border-color: var(--muted); }
.copy.done { color: var(--green); border-color: var(--green); }
.install-note { margin: 12px 2px 0; font-size: .9rem; color: var(--muted); }
.install-note code { font-family: var(--mono); color: var(--cream); }

/* film */
.film { padding: 8px 0 88px; }
.screen { border-radius: 18px; overflow: hidden; background: #000; border: 1px solid var(--line); box-shadow: 0 30px 80px rgba(0,0,0,.5); }
.screen video { width: 100%; aspect-ratio: 16 / 9; }
.screen.small { border-radius: 14px; box-shadow: 0 16px 40px rgba(0,0,0,.4); }
.caption { margin: 16px 0 0; text-align: center; color: var(--muted); font-size: .95rem; }

/* sections */
.sec { padding: 96px 0; }
.sec.tint { background: var(--bg2); border-top: 1px solid #1d2230; border-bottom: 1px solid #1d2230; }
h2 { margin: 0 0 36px; font: 800 clamp(2rem, 4vw, 3rem)/1.04 var(--display); letter-spacing: -.035em; text-wrap: balance; }
.aside { margin: 28px 0 0; color: var(--muted); font-size: .98rem; max-width: 46em; }

/* songs */
.songs { list-style: none; margin: 0; padding: 0; border-top: 1px solid var(--line); }
.songs li { display: grid; grid-template-columns: 136px minmax(0, 1fr) auto; gap: 22px; align-items: center; padding: 14px 0; border-bottom: 1px solid var(--line); }
.songs img { width: 136px; aspect-ratio: 16 / 9; object-fit: cover; border-radius: 8px; image-rendering: pixelated; }
.songs b { display: block; font: 600 1.18rem/1.3 var(--display); letter-spacing: -.01em; }
.songs span { display: block; color: var(--muted); font-size: .92rem; margin-top: 2px; }
.play { width: 48px; height: 48px; border-radius: 50%; border: 0; background: var(--green); cursor: pointer; position: relative; }
.play::after { content: ""; position: absolute; left: 18px; top: 15px; border-style: solid; border-width: 9px 0 9px 15px; border-color: transparent transparent transparent #1b2614; }
.play[aria-pressed="true"] { background: var(--coral); }
.play[aria-pressed="true"]::after { left: 17px; top: 16px; width: 14px; height: 16px; border: 0; background: linear-gradient(90deg, #2a1611 0 5px, transparent 5px 9px, #2a1611 9px 14px); }

/* two videos */
.two { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 28px; }
.two figure { margin: 0; min-width: 0; }
.two figcaption { margin-top: 14px; color: var(--muted); font-size: .95rem; }
.two figcaption b { color: var(--text); }

/* origin */
.origin { display: grid; grid-template-columns: minmax(0, 1.15fr) minmax(0, .85fr); gap: 56px; align-items: start; }
.origin p { color: var(--soft); max-width: 34em; }
.big { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; margin: 30px 0; }
.big div { padding: 20px; border-radius: 14px; border: 1px solid var(--line); background: var(--bg2); }
.big dt { font: 500 .74rem var(--mono); letter-spacing: .12em; text-transform: uppercase; color: var(--muted); }
.big dd { margin: 8px 0 4px; font: 800 2.3rem/1 var(--display); letter-spacing: -.03em; color: var(--green); white-space: nowrap; }
.big dd span { color: var(--muted); font-weight: 600; }
.big p { margin: 0; font-size: .88rem; color: var(--muted); }
.links { display: flex; flex-wrap: wrap; gap: 10px 22px; font-size: .95rem; }
.days { list-style: none; margin: 6px 0 0; padding: 0 0 0 22px; border-left: 2px solid var(--line); }
.days li { position: relative; padding: 0 0 22px; }
.days li::before { content: ""; position: absolute; left: -29px; top: 7px; width: 12px; height: 12px; border-radius: 50%; background: var(--bg); border: 2px solid var(--coral); }
.days li:last-child::before { background: var(--coral); }
.days time { font: 500 .8rem var(--mono); letter-spacing: .08em; text-transform: uppercase; color: var(--coral); }
.days p { margin: 2px 0 0; color: var(--soft); font-size: .97rem; }

/* receipts */
.stats { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; }
.stats.four { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.lead2 { max-width: 40em; color: var(--soft); font-size: 1.1rem; margin: -12px 0 30px; }
.stats div { padding: 24px; border-radius: 14px; border: 1px solid var(--line); background: var(--bg); }
.stats b { display: block; font: 800 3rem/1 var(--display); letter-spacing: -.04em; color: var(--green); }
.stats span { display: block; margin-top: 10px; font-weight: 600; }
.stats small { display: block; margin-top: 4px; color: var(--muted); font-size: .88rem; }

/* soft close */
.close { padding: 104px 0 96px; text-align: center; background: radial-gradient(ellipse 60% 70% at 50% 40%, #1d1a2c, var(--bg)); }
.close img { width: 150px; margin: 0 auto 8px; }
.close h2 { margin: 0; font-size: clamp(2.6rem, 6vw, 4.2rem); }
.close p { margin: 8px 0 30px; color: var(--soft); font-size: 1.15rem; }
.cmd.solo { max-width: 600px; margin: 0 auto; text-align: left; }

/* footer */
.foot { padding: 56px 0 calc(40px + env(safe-area-inset-bottom, 0px)); background: #000; border-top: 1px solid #1d2230; }
.foot-row { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 28px; padding-bottom: 36px; border-bottom: 1px solid #1d2230; }
.foot-row p { margin: 0; color: var(--soft); font-size: .95rem; }
.foot .k { display: block; margin-bottom: 6px; font: 500 .72rem var(--mono); letter-spacing: .14em; text-transform: uppercase; color: var(--muted); }
/* NVIDIA Inception badge: official file unaltered, on the plain black footer, clear space ≥ one eye-mark box */
.marks { display: flex; flex-direction: column; align-items: center; gap: 40px; max-width: 880px; margin: 40px auto 36px; }
.omni { display: block; width: 100%; border-radius: 16px; border: 1px solid #1d2230; }
.badge { display: block; width: 190px; height: auto; margin: 0 0 8px; }
.fine { margin: 0; text-align: center; color: var(--muted); font-size: .85rem; }
.fine.legal { margin-top: 10px; font-size: .75rem; opacity: .8; }

@media (max-width: 860px) {
  .bar nav { display: none; }
  .pill { margin-left: auto; }
  .intro { padding-top: 48px; }
  .intro-grid, .origin, .two, .foot-row { grid-template-columns: 1fr; }
  .dial { width: 150px; order: -1; }
  .stats, .stats.four { grid-template-columns: 1fr 1fr; }
  .sec { padding: 72px 0; }
}
@media (max-width: 520px) {
  body { font-size: 16px; }
  .songs li { grid-template-columns: 88px minmax(0, 1fr) auto; gap: 14px; }
  .songs img { width: 88px; }
  .songs b { font-size: 1.02rem; }
  .big { grid-template-columns: 1fr; }
  .stats.four { grid-template-columns: 1fr; }
  .install { padding: 14px; }
  .cmd code { font-size: .82rem; }
  .btn { flex: 1 1 100%; justify-content: center; }
}
@media (max-width: 600px) {
  .marks { gap: 32px; }
  .omni { border-radius: 14px; }
  .badge { width: 170px; }
}
@media (prefers-reduced-motion: reduce) { *, *::before, *::after { animation: none !important; transition: none !important; scroll-behavior: auto !important; } }