:root {
  --paper: #f5efe6;
  --paper-2: #ece3d5;
  --ink: #1f1c19;
  --muted: #6b635a;
  --copper: #b0643a;
  --line: #d9cdbc;
  --serif: "Fraunces", Georgia, serif;
  --sans: "Inter", system-ui, sans-serif;
}
* { box-sizing: border-box; margin: 0; }
html { scroll-behavior: smooth; }
body { background: var(--paper); color: var(--ink); font: 400 17px/1.65 var(--sans); -webkit-font-smoothing: antialiased; }
img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
section { padding: clamp(72px, 11vw, 150px) clamp(22px, 6vw, 96px); max-width: 1320px; margin: 0 auto; }
h1, h2, h3 { font-family: var(--serif); font-weight: 300; letter-spacing: -0.02em; line-height: 1.05; }
h1 { font-size: clamp(54px, 8.4vw, 118px); }
h2 { font-size: clamp(36px, 4.6vw, 64px); }
h3 { font-size: 26px; font-weight: 400; }
em { font-style: italic; color: var(--copper); }
.eyebrow { font-size: 12px; letter-spacing: 0.22em; text-transform: uppercase; color: var(--copper); margin-bottom: 22px; font-weight: 500; }

/* nav */
.nav { position: sticky; top: 0; z-index: 10; display: flex; justify-content: space-between; align-items: center; padding: 18px clamp(22px, 6vw, 96px); background: rgba(245, 239, 230, 0.86); backdrop-filter: blur(12px); border-bottom: 1px solid transparent; }
.nav nav { display: flex; gap: 32px; align-items: center; font-size: 14px; }
.nav nav a:not(.pill):hover { color: var(--copper); }
.pill { border: 1px solid var(--ink); border-radius: 999px; padding: 7px 18px; transition: background .25s, color .25s; }
.pill:hover { background: var(--ink); color: var(--paper); }

/* hero */
.hero { display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 6vw; align-items: center; padding-top: clamp(48px, 7vw, 100px); }
.lede { font-size: 19px; color: var(--muted); max-width: 33em; margin: 30px 0 40px; }
.cta { display: flex; gap: 30px; align-items: center; }
.btn { display: inline-block; background: var(--ink); color: var(--paper); padding: 15px 30px; border-radius: 999px; font-weight: 500; font-size: 15px; transition: background .25s; }
.btn:hover { background: var(--copper); }
.link { font-weight: 500; border-bottom: 1px solid var(--copper); padding-bottom: 2px; }
.hero-art img { max-height: 74vh; width: auto; margin: 0 auto; opacity: .88; }

/* strip */
.strip { display: grid; grid-template-columns: repeat(3, 1fr); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); padding-top: 44px; padding-bottom: 44px; }
.strip div { text-align: center; }
.strip strong { display: block; font: 300 clamp(40px, 5vw, 64px)/1 var(--serif); }
.strip span { font-size: 14px; color: var(--muted); }

/* how */
.how h2 { max-width: 14em; margin-bottom: 70px; }
.steps { list-style: none; padding: 0; display: grid; grid-template-columns: repeat(4, 1fr); gap: 40px; }
.steps li { border-top: 1px solid var(--ink); padding-top: 22px; }
.steps span { font-size: 13px; color: var(--copper); font-weight: 500; }
.steps h3 { margin: 14px 0 12px; }
.steps p { color: var(--muted); font-size: 16px; }

/* film */
.film { max-width: none; background: var(--ink); color: var(--paper); }
.film > * { max-width: 1128px; margin-left: auto; margin-right: auto; }
.film-head { margin-bottom: 50px; }
.videos { display: grid; grid-template-columns: 1fr 1fr; gap: 22px; }
.video.big { grid-column: 1 / -1; }
.video { position: relative; border: 0; padding: 0; background: #000; border-radius: 6px; overflow: hidden; cursor: pointer; aspect-ratio: 16 / 9; color: #fff; font: inherit; text-align: left; }
.video img { width: 100%; height: 100%; object-fit: cover; transition: transform .8s ease, opacity .4s; opacity: .9; }
.video:hover img { transform: scale(1.03); opacity: 1; }
.video i { position: absolute; left: 50%; top: 50%; width: 74px; height: 74px; margin: -37px 0 0 -37px; border-radius: 50%; background: rgba(245, 239, 230, .92); transition: transform .3s; }
.video i::after { content: ""; position: absolute; left: 30px; top: 24px; border-left: 19px solid var(--ink); border-top: 13px solid transparent; border-bottom: 13px solid transparent; }
.video:hover i { transform: scale(1.08); }
.video span { position: absolute; left: 22px; bottom: 18px; font-size: 14px; opacity: .9; text-shadow: 0 1px 12px rgba(0, 0, 0, .6); }
.video span b { font-weight: 500; margin-right: 10px; }

/* shark */
.shark { display: grid; grid-template-columns: 1.2fr 1fr; gap: 6vw; align-items: center; }
.shark-text p:not(.eyebrow) { color: var(--muted); margin: 24px 0 30px; }

/* patents */
.patents { border-top: 1px solid var(--line); display: grid; grid-template-columns: 1fr 1fr; gap: 6vw; align-items: center; }
.patents-head { max-width: 40em; }
.patents-head > p:last-child { color: var(--muted); margin-top: 24px; }
.patent { max-width: 760px; background: #fbf8f3; border: 1px solid var(--line); border-radius: 6px; padding: 40px 40px 30px; transition: border-color .3s, transform .3s; }
.patent img { height: 460px; width: 100%; object-fit: contain; }
.patent figcaption { display: flex; justify-content: space-between; align-items: baseline; margin-top: 28px; padding-top: 18px; border-top: 1px solid var(--line); }
.patent figcaption { flex-wrap: wrap; gap: 4px 16px; }
.patent b { font: 400 22px var(--serif); white-space: nowrap; }
.patent span { font-size: 14px; color: var(--muted); }

/* team */
.team h2 { margin-bottom: 56px; }
.people { display: grid; grid-template-columns: repeat(4, 1fr); gap: 28px; }
.people img { aspect-ratio: 4 / 5; width: 100%; object-fit: cover; object-position: top; border-radius: 4px; filter: grayscale(1) contrast(1.05); transition: filter .6s; }
.people figure:hover img { filter: none; }
.people figcaption { margin-top: 16px; font-size: 14px; color: var(--muted); }
.people b { display: block; font: 400 21px var(--serif); color: var(--ink); margin-bottom: 2px; }

/* contact */
.contact { text-align: center; background: var(--paper-2); max-width: none; }
.hat { margin: 0 auto 28px; opacity: .85; }
.contact p { color: var(--muted); margin: 20px auto 36px; max-width: 30em; }

footer { display: flex; justify-content: space-between; align-items: center; padding: 34px clamp(22px, 6vw, 96px); font-size: 13px; color: var(--muted); }

/* player */
dialog { border: 0; padding: 0; background: transparent; width: min(1100px, 92vw); max-width: none; overflow: visible; }
dialog::backdrop { background: rgba(20, 18, 16, .88); }
.frame { aspect-ratio: 16 / 9; background: #000; }
.frame iframe { width: 100%; height: 100%; border: 0; }
.close { position: absolute; top: -46px; right: 0; background: none; border: 0; color: #fff; font-size: 36px; cursor: pointer; }

/* motion */
.reveal { opacity: 0; transform: translateY(26px); transition: opacity 1s ease, transform 1s ease; }
.reveal.in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) { .reveal { opacity: 1; transform: none; transition: none; } html { scroll-behavior: auto; } }

@media (max-width: 900px) {
  .nav nav a:not(.pill) { display: none; }
  .hero, .shark, .patents { grid-template-columns: 1fr; }
  .hero-art img { max-height: 52vh; }
  .steps, .people { grid-template-columns: 1fr 1fr; }
  .videos { grid-template-columns: 1fr; }
  .patent img { height: 300px; }
}
@media (max-width: 520px) {
  .steps { grid-template-columns: 1fr; }
  .strip strong { font-size: 34px; }
  .cta { flex-direction: column; align-items: flex-start; gap: 20px; }
  footer { flex-direction: column; gap: 12px; }
}