/* Genesis dentAI — black atelier. Didone serif, thin sans, one gold. The reels carry the imagery.
   Built to hold from a 280px cover screen (Galaxy Z Fold) up to wide desktop. */
:root {
  --black: #000;
  --ivory: #f1e9da;
  --soft: #cfc6b6;
  --dust: #8f877b;
  --gold: #d0893a;
  --hair: rgba(241, 233, 218, .14);
  --display: "Bodoni Moda", "Times New Roman", serif;
  --body: "Jost", "Helvetica Neue", Arial, sans-serif;
  --pad: clamp(16px, 4.6vw, 84px);
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; background: var(--black); }
body { margin: 0; min-width: 0; background: var(--black); color: var(--ivory); font-family: var(--body); font-weight: 300; font-size: clamp(15px, 1.05vw + 12px, 19px); line-height: 1.65; overflow-wrap: break-word; -webkit-font-smoothing: antialiased; overflow-x: hidden; }
section[id] { scroll-margin-top: 56px; }
body::before { content: ""; position: fixed; inset: 0; z-index: 30; pointer-events: none; opacity: .06; mix-blend-mode: screen;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='220' height='220'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='2' stitchTiles='stitch'/%3E%3CfeColorMatrix values='0 0 0 0 1  0 0 0 0 1  0 0 0 0 1  0 0 0 .9 0'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E"); }
h1, h2, h3 { font-family: var(--display); font-weight: 400; margin: 0; letter-spacing: -0.025em; }
p { margin: 0; }
a { color: inherit; }
img, video { max-width: 100%; display: block; }
:focus-visible { outline: 1px solid var(--gold); outline-offset: 4px; }
.wrap { width: 100%; max-width: 1320px; margin-inline: auto; padding-inline: var(--pad); }
.skip { position: absolute; left: -999px; top: 8px; background: var(--ivory); color: #000; padding: 8px 14px; z-index: 40; }
.skip:focus { left: 8px; }
.kicker { font-size: clamp(11px, .8vw + 8px, 13px); font-weight: 400; letter-spacing: .34em; text-transform: uppercase; color: var(--gold); margin-bottom: clamp(16px, 2.4vw, 26px); }

/* header */
.top { position: fixed; inset: 0 0 auto 0; z-index: 20; display: flex; justify-content: space-between; align-items: center; gap: 12px; padding: 14px var(--pad); padding-top: max(14px, env(safe-area-inset-top)); background: linear-gradient(to bottom, rgba(0, 0, 0, .92), rgba(0, 0, 0, 0)); }
.mark { font-weight: 300; font-size: clamp(11px, .5vw + 9.5px, 15px); letter-spacing: .3em; text-decoration: none; color: var(--ivory); white-space: nowrap; }
.mark b { font-weight: 500; }
.top nav { display: flex; gap: clamp(14px, 2.2vw, 30px); align-items: center; font-size: clamp(10.5px, .4vw + 9px, 13px); letter-spacing: .2em; text-transform: uppercase; white-space: nowrap; }
.top nav a { text-decoration: none; }
.nav-link { opacity: .7; transition: opacity .2s; }
.nav-link:hover { opacity: 1; }
.nav-cta { border-bottom: 1px solid var(--gold); padding-bottom: 3px; }

/* reels */
.reel { margin: 0; position: relative; }
.reel video { width: 100%; height: 100%; object-fit: cover; background: #0d0907; cursor: pointer; }
.reel figcaption { margin-top: 14px; font-size: clamp(11px, .4vw + 9.5px, 12.5px); letter-spacing: .22em; text-transform: uppercase; color: var(--dust); }

/* hero */
.hero { position: relative; min-height: 100svh; display: grid; grid-template-columns: minmax(0, 1fr) auto; align-items: center; gap: clamp(20px, 4vw, 70px); padding: 84px var(--pad) clamp(28px, 6vh, 64px); overflow: hidden; }
.hero-reel { grid-column: 2; grid-row: 1; aspect-ratio: 9 / 16; height: min(calc(100svh - 120px), 78vw); width: auto; justify-self: end; }
/* the reel's own background is near-black brown; feather its edges into the page */
.hero-reel video { -webkit-mask-image: linear-gradient(to right, transparent 0%, #000 16%, #000 84%, transparent 100%), linear-gradient(to bottom, transparent 0%, #000 7%, #000 88%, transparent 100%); -webkit-mask-composite: source-in; mask-image: linear-gradient(to right, transparent 0%, #000 16%, #000 84%, transparent 100%), linear-gradient(to bottom, transparent 0%, #000 7%, #000 88%, transparent 100%); mask-composite: intersect; background: transparent; }
.hero-copy { grid-column: 1; grid-row: 1; min-width: 0; }
.hero h1 { font-size: clamp(40px, min(8.6vw, 15.5svh), 156px); line-height: .96; letter-spacing: -0.035em; }
.lede { margin-top: clamp(16px, 3vh, 36px); max-width: 27em; color: var(--soft); }

.cta { display: inline-flex; flex-direction: column; align-items: center; gap: 4px; margin-top: clamp(24px, 4.4vh, 44px); max-width: 100%; text-decoration: none; padding: 16px clamp(20px, 4vw, 44px) 14px; border: 1px solid var(--gold); color: var(--ivory); font-size: clamp(11.5px, .4vw + 10px, 14px); letter-spacing: .24em; text-transform: uppercase; text-align: center; transition: background .25s, color .25s, box-shadow .25s; }
.cta small { font-size: 13px; letter-spacing: .06em; text-transform: none; color: var(--gold); }
.cta:hover { background: var(--gold); color: #000; box-shadow: 0 0 60px rgba(208, 137, 58, .45); }
.cta:hover small { color: #000; }

/* sections */
.how, .models, .anatomy, .scope, .notify { padding: clamp(64px, 14vh, 190px) 0; border-top: 1px solid var(--hair); }
h2 { font-size: clamp(30px, 5.2vw, 88px); line-height: 1.03; }

/* process */
.how-grid { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, clamp(240px, 27vw, 380px)); gap: clamp(28px, 6vw, 96px); align-items: start; }
.steps { list-style: none; counter-reset: step; margin: clamp(36px, 7vh, 84px) 0 0; padding: 0; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); column-gap: clamp(20px, 3vw, 48px); }
.steps li { counter-increment: step; border-top: 1px solid var(--hair); padding-bottom: clamp(26px, 5vh, 54px); min-width: 0; }
.steps li::before { content: counter(step, upper-roman); display: block; font-family: var(--display); font-style: italic; font-size: clamp(30px, 3vw, 44px); line-height: 1; color: var(--gold); margin: clamp(18px, 2.6vh, 28px) 0 clamp(16px, 2.4vh, 26px); }
.steps h3 { font-size: clamp(21px, 2vw, 30px); line-height: 1.15; }
.steps p { margin-top: 12px; font-size: .92em; color: #b8b0a2; }
.frame { position: sticky; top: 84px; }
.frame video { aspect-ratio: 9 / 16; border-radius: 4px; box-shadow: 0 0 0 1px var(--hair), 0 40px 120px -30px rgba(208, 137, 58, .35); }

/* model scans */
.models-grid { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, clamp(240px, 27vw, 380px)); gap: clamp(28px, 6vw, 96px); align-items: center; }
.models .frame { position: static; }
.models-text p:not(.kicker) { margin-top: clamp(18px, 3vh, 30px); max-width: 30em; color: var(--soft); }

/* anatomy */
.anatomy { background: radial-gradient(60% 70% at 22% 50%, #17100a 0%, #000 70%); }
.anatomy-grid { display: grid; grid-template-columns: minmax(0, clamp(240px, 30vw, 420px)) minmax(0, 1fr); gap: clamp(28px, 6vw, 96px); align-items: center; }
.anatomy .reel video { aspect-ratio: 9 / 16; -webkit-mask-image: linear-gradient(to right, transparent 0%, #000 16%, #000 84%, transparent 100%), linear-gradient(to bottom, transparent 0%, #000 7%, #000 88%, transparent 100%); -webkit-mask-composite: source-in; mask-image: linear-gradient(to right, transparent 0%, #000 16%, #000 84%, transparent 100%), linear-gradient(to bottom, transparent 0%, #000 7%, #000 88%, transparent 100%); mask-composite: intersect; background: transparent; }
.anatomy-text p:not(.kicker) { margin-top: clamp(18px, 3vh, 30px); max-width: 30em; color: var(--soft); }
.anatomy-text p:last-child { font-family: var(--display); font-style: italic; font-size: clamp(19px, 1.9vw, 28px); line-height: 1.35; color: var(--ivory); padding-left: 20px; border-left: 1px solid var(--gold); }

/* scope */
.scope-grid { margin-top: clamp(36px, 8vh, 100px); display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); border-top: 1px solid var(--hair); }
.scope-grid > div { padding: clamp(22px, 3vw, 34px) clamp(18px, 3vw, 40px) 0 0; min-width: 0; }
.scope-grid > div + div { padding-left: clamp(18px, 3vw, 40px); border-left: 1px solid var(--hair); }
.scope h3 { font-style: italic; font-size: clamp(23px, 2.6vw, 38px); }
.does h3 { color: var(--gold); }
.notyet h3 { color: var(--dust); }
.scope ul { list-style: none; margin: clamp(16px, 2.4vw, 26px) 0 0; padding: 0; }
.scope li { padding: 14px 0; border-top: 1px solid var(--hair); font-size: .95em; }
.notyet li { color: #a59d90; }

/* release */
.notify { text-align: center; background: radial-gradient(50% 60% at 50% 100%, #1e1710 0%, #000 70%); }
.notify h2 { font-size: clamp(38px, 9.6vw, 170px); font-style: italic; }
.notify p:not(.kicker) { margin: clamp(18px, 3vh, 28px) auto 0; max-width: 30em; color: var(--soft); }

.foot { padding: 28px 0 max(40px, env(safe-area-inset-bottom)); font-size: 13px; border-top: 1px solid var(--hair); color: var(--dust); }
.foot .wrap { display: flex; justify-content: space-between; align-items: baseline; gap: 12px 20px; flex-wrap: wrap; }

/* tablets and unfolded foldables */
@media (max-width: 900px) {
  .nav-link { display: none; }
  .hero { grid-template-columns: minmax(0, 1fr); align-items: start; padding-top: 64px; gap: 0; }
  .hero-reel { grid-column: 1; grid-row: 1; justify-self: center; height: min(66svh, calc((100vw - 2 * var(--pad)) * 16 / 9)); width: auto; }
  .hero-copy { grid-row: 2; margin-top: clamp(-56px, -6svh, -16px); position: relative; }
  .hero h1 { font-size: clamp(34px, 12.5vw, 92px); }
  .how-grid, .models-grid, .anatomy-grid { grid-template-columns: minmax(0, 1fr); }
  .frame { position: static; width: min(100%, 360px); margin-inline: auto; }
  .anatomy .reel { width: min(100%, 360px); margin-inline: auto; }
}
/* phones, and the narrow cover screen of a fold */
@media (max-width: 560px) {
  .steps { grid-template-columns: minmax(0, 1fr); }
  .scope-grid { grid-template-columns: minmax(0, 1fr); }
  .scope-grid > div, .scope-grid > div + div { padding: 22px 0 14px; border-left: 0; }
  .scope-grid > div + div { border-top: 1px solid var(--hair); }
  .cta { width: 100%; }
}
@media (max-width: 340px) {
  .mark { letter-spacing: .18em; }
  .top nav { letter-spacing: .12em; }
  .kicker { letter-spacing: .24em; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { transition: none !important; }
}