:root {
  --night: #091421;
  --panel: #112735;
  --mint: #91e0c7;
  --gold: #ffba6b;
  --text: #edf2e8;
  --muted: #a4b9bf;
  --line: #ffffff24;
  color-scheme: dark;
  font-family: ui-rounded, "SF Pro Rounded", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--text);
  background: var(--night);
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 30px; }
body { margin: 0; }
a { color: inherit; text-decoration: none; }
button { font: inherit; cursor: pointer; }
a, button { -webkit-tap-highlight-color: transparent; }
a:focus-visible, button:focus-visible, [tabindex]:focus-visible { outline: 3px solid var(--gold); outline-offset: 6px; }
button:disabled { cursor: default; opacity: .4; }
.wrap { width: min(1120px, calc(100% - 80px)); margin-inline: auto; }
.nav { height: 100px; display: flex; align-items: center; justify-content: space-between; }
.brand { display: flex; gap: 10px; align-items: center; font-size: 30px; font-weight: 750; letter-spacing: -1px; }
.brand svg { width: 32px; height: 36px; }
.nav nav { display: flex; align-items: center; gap: 30px; font-size: 14px; }
.nav nav a:hover, .text-link:hover, footer a:hover { color: var(--mint); }
.nav-cta { color: var(--muted); }
.skip { position: absolute; top: -100px; left: 20px; background: var(--mint); color: var(--night); padding: 12px; z-index: 10; }
.skip:focus { top: 10px; }
h1, h2, h3, p { margin-top: 0; }
h1 { font-size: clamp(48px, 5.8vw, 74px); line-height: 1.08; letter-spacing: -2.5px; font-weight: 650; margin-block: 22px 26px; }
h2 { font-size: 28px; line-height: 1.25; letter-spacing: -.7px; font-weight: 600; margin-bottom: 24px; }
h3 { font-size: 22px; }
.hero { display: grid; grid-template-columns: .85fr 1.15fr; gap: 65px; align-items: center; padding-block: 65px 75px; }
.eyebrow { font-size: 13px; line-height: 1.7; color: var(--muted); }
.intro { max-width: 390px; font-size: 18px; line-height: 1.7; color: var(--muted); margin-bottom: 24px; }
.availability { font-size: 13px; color: var(--muted); margin-top: 28px; }
.text-link { display: inline-block; font-size: 14px; color: var(--mint); border-bottom: 1px solid #91e0c755; padding-bottom: 5px; }
.hero-art { border-top: 1px solid var(--line); padding-top: 18px; scroll-margin-top: 30px; min-width: 0; }
.chart-top, .chart-bottom { display: flex; justify-content: space-between; gap: 12px; font-size: 12px; color: var(--muted); }
.chart-bottom { margin: 24px 0 18px; font-size: 11px; }
.demo { margin-top: 30px; }
.seas { display: grid; grid-template-columns: 1fr 1fr; gap: 22px; }
.sea-label { font-size: 12px; margin-bottom: 12px; }
.mint { color: var(--mint); }
.gold { color: var(--gold); }
.board { display: grid; grid-template-columns: repeat(4, 1fr); gap: 5px; color: var(--mint); }
.board.amber { color: var(--gold); }
.cell { aspect-ratio: 1; background: var(--panel); border-radius: 7px; display: grid; place-items: center; position: relative; }
.cell:empty:after { content: "~"; color: #a4b9bf22; font-family: Georgia, serif; }
.cell svg { width: 70%; height: 70%; position: absolute; }
.light { font-size: 23px; }
.harbour { position: absolute; width: 58%; height: 58%; border: 1.5px solid currentColor; border-radius: 50%; opacity: .7; }
.harbour:after { content: ""; position: absolute; inset: 4px; border: 1px solid currentColor; border-radius: 50%; }
#demo-status { font-size: 13px; line-height: 1.6; color: var(--muted); min-height: 42px; margin: 22px 0 12px; }
.demo-controls { display: flex; gap: 12px; justify-content: space-between; align-items: center; }
.directions { display: flex; gap: 7px; }
.directions button { width: 44px; height: 44px; background: var(--panel); border: 1px solid var(--line); color: var(--text); border-radius: 7px; font-size: 20px; }
.directions button:hover:not(:disabled) { border-color: var(--mint); color: var(--mint); }
.text-button { background: transparent; border: 0; color: var(--muted); font-size: 12px; padding: 12px 0; }
.text-button:hover { color: var(--text); }
.demo-note { font-size: 11px; line-height: 1.6; color: var(--muted); margin: 0; }
.how { display: grid; grid-template-columns: .85fr 1.15fr; gap: 65px; border-top: 1px solid var(--line); padding-block: 48px; }
.rules p, .wake-layout p, .mode-list dd { font-size: 16px; color: var(--muted); line-height: 1.8; }
.rules p:last-child { margin-bottom: 0; }
.wake-section { background: #10232e; }
.wake-layout { display: grid; grid-template-columns: 1.15fr .85fr; gap: 65px; align-items: center; padding-block: 48px; }
.wake-illustration svg { width: 100%; height: auto; }
.wake-layout .eyebrow { font-size: 13px; margin-bottom: 16px; }
.wake-layout h2 { font-size: 32px; }
.wake-layout p:last-child { margin-bottom: 0; }
.modes { display: grid; grid-template-columns: .85fr 1.15fr; gap: 65px; padding-block: 64px; }
.mode-list { margin: 0; }
.mode-list > div { border-bottom: 1px solid var(--line); padding-bottom: 20px; margin-bottom: 20px; }
.mode-list > div:last-child { border: 0; margin-bottom: 0; padding-bottom: 0; }
.mode-list dt { font-size: 18px; color: var(--text); font-weight: 550; margin-bottom: 8px; }
.mode-list dd { margin: 0; }
.closing { border-block: 1px solid var(--line); display: flex; align-items: flex-start; gap: 28px; padding-block: 40px; margin-bottom: 40px; }
.closing img { border-radius: 16px; flex-shrink: 0; }
.closing h2 { font-size: 24px; margin-bottom: 14px; }
.closing p { font-size: 15px; line-height: 1.7; color: var(--muted); max-width: 650px; }
.closing .closing-note { font-size: 13px; }
footer { padding-bottom: 35px; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
footer .footer-brand { font-size: 25px; letter-spacing: -1px; font-weight: 650; }
footer > div { display: flex; gap: 28px; font-size: 12px; }
footer small { font-size: 11px; color: var(--muted); }
.document { max-width: 760px; padding-block: 50px 90px; min-height: 65vh; }
.document h1 { font-size: 44px; letter-spacing: -1.5px; margin-top: 35px; }
.document h2 { font-size: 25px; margin: 36px 0 16px; }
.document p { font-size: 16px; line-height: 1.8; color: var(--muted); }
.document p a { color: var(--mint); text-decoration: underline; overflow-wrap: anywhere; }
.back { font-size: 13px; color: var(--mint); }
.button { display: inline-block; padding: 14px 20px; background: var(--mint); color: var(--night); border-radius: 6px; }
@media(max-width: 900px) {
  .wrap { width: calc(100% - 40px); }
  .nav { height: 85px; }
  .nav nav { gap: 18px; font-size: 12px; }
  .nav nav > a:first-child { display: none; }
  .brand { font-size: 27px; }
  .hero { grid-template-columns: 1fr; padding-block: 30px 45px; gap: 36px; }
  .hero-copy { max-width: 540px; }
  h1 { font-size: clamp(48px, 8vw, 66px); }
  .intro { max-width: 500px; font-size: 17px; }
  .hero-art { max-width: 600px; width: 100%; }
  .how, .modes { grid-template-columns: 1fr; gap: 8px; padding-block: 36px; }
  .wake-layout { grid-template-columns: 1fr; gap: 28px; padding-block: 36px; }
  .wake-illustration { max-width: 540px; order: 2; }
  .closing { gap: 20px; }
  footer { flex-wrap: wrap; }
}
@media(max-width: 480px) {
  .chart-top, .sea-label { font-size: 11px; }
  .seas { gap: 14px; }
  .chart-bottom { font-size: 10px; }
  .closing { display: block; }
  .closing img { margin-bottom: 20px; width: 56px; height: 56px; }
  .closing h2 { font-size: 23px; }
  footer { gap: 22px; }
  footer > div { gap: 18px; }
  footer small { width: 100%; }
  .document h1 { font-size: 36px; }
}
@media(prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }