@font-face { font-family: "Space Grotesk"; font-weight: 500; src: url("fonts/SpaceGrotesk-Medium.ttf") format("truetype"); font-display: swap; }
@font-face { font-family: "Space Grotesk"; font-weight: 700; src: url("fonts/SpaceGrotesk-Bold.ttf") format("truetype"); font-display: swap; }
@font-face { font-family: "JetBrains Mono"; font-weight: 400; src: url("fonts/JetBrainsMono-Regular.ttf") format("truetype"); font-display: swap; }
@font-face { font-family: "JetBrains Mono"; font-weight: 600; src: url("fonts/JetBrainsMono-SemiBold.ttf") format("truetype"); font-display: swap; }

:root {
  --bg: #241c2b;
  --bg-2: #2e2437;
  --glow: #3a2d42;
  --cream: #f3e9d7;
  --body: #eadcc3;
  --label: #e8755a;
  --stripe: #f2a65a;
  --ink: #2a2030;
  --hot: #ff6a4d;
  --ok: #8fdc97;
  --muted: rgba(243, 233, 215, 0.62);
  --line: rgba(243, 233, 215, 0.14);
  --sans: "Space Grotesk", system-ui, sans-serif;
  --mono: "JetBrains Mono", ui-monospace, monospace;
  color-scheme: dark;
}

* { box-sizing: border-box; }
/* no rubber-band past the top or bottom of the page, and the same colour if a browser still shows it */
html { scroll-behavior: smooth; overscroll-behavior: none; background: var(--bg); }
body {
  margin: 0;
  overscroll-behavior: none;
  background: radial-gradient(120% 70% at 50% 0%, var(--glow), var(--bg) 60%) fixed, var(--bg);
  color: var(--cream);
  font: 500 18px/1.6 var(--sans);
  -webkit-font-smoothing: antialiased;
}
/* static tape grain over everything */
body::after {
  content: ""; position: fixed; inset: 0; pointer-events: none; opacity: 0.07; mix-blend-mode: overlay;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}
a { color: var(--stripe); text-underline-offset: 3px; }
h1, h2, h3 { font-weight: 700; line-height: 1.1; margin: 0 0 0.5em; letter-spacing: -0.01em; }
h1 { font-size: clamp(44px, 7vw, 84px); }
h2 { font-size: clamp(30px, 4vw, 46px); }
h3 { font-size: 22px; }
p { margin: 0 0 1em; }
.kicker { font: 600 13px/1 var(--mono); letter-spacing: 0.14em; text-transform: uppercase; color: var(--stripe); margin-bottom: 18px; }

.top {
  position: sticky; top: 0; z-index: 10; display: flex; align-items: center; justify-content: space-between;
  gap: 16px; padding: 14px clamp(16px, 4vw, 48px);
  background: rgba(36, 28, 43, 0.82); backdrop-filter: blur(10px); border-bottom: 1px solid var(--line);
}
.brand { display: flex; align-items: center; gap: 12px; color: var(--cream); text-decoration: none; font-weight: 700; font-size: 19px; }
.top nav { display: flex; gap: clamp(12px, 2.5vw, 28px); flex-wrap: wrap; }
.top nav a { color: var(--muted); text-decoration: none; font: 600 14px var(--mono); }
.top nav a:hover { color: var(--cream); }

main > section { max-width: 1180px; margin: 0 auto; padding: clamp(64px, 9vw, 120px) clamp(16px, 4vw, 48px) 0; }
.section-head { max-width: 760px; margin-bottom: 40px; }
.section-head p:not(.kicker) { color: var(--muted); }

.hero { display: grid; grid-template-columns: 1.05fr 1fr; gap: clamp(24px, 5vw, 72px); align-items: center; min-height: 78vh; }
.lead { font-size: clamp(19px, 2vw, 23px); color: var(--muted); max-width: 34ch; }
.actions { display: flex; gap: 14px; flex-wrap: wrap; margin-top: 30px; }
.btn {
  display: inline-flex; align-items: center; gap: 8px; padding: 14px 22px; border-radius: 14px;
  border: 2px solid var(--line); color: var(--cream); text-decoration: none; font-weight: 700;
  transition: transform 0.15s, border-color 0.15s, background 0.15s;
}
.btn:hover { transform: translateY(-2px); border-color: var(--cream); }
.btn.primary { background: var(--label); border-color: var(--ink); color: var(--ink); box-shadow: 0 5px 0 var(--ink); }
.btn.primary:hover { background: var(--stripe); }
.hero-cassette svg { width: 100%; height: auto; filter: drop-shadow(0 30px 40px rgba(0, 0, 0, 0.35)); }

/* the player */
.player-grid { display: grid; grid-template-columns: 1fr minmax(300px, 440px); gap: clamp(20px, 4vw, 48px); align-items: start; }
.questions { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(auto-fill, minmax(230px, 1fr)); gap: 14px; }
.q {
  position: relative; width: 100%; text-align: left; cursor: pointer; font: inherit;
  background: var(--body); color: var(--ink); border: 3px solid var(--ink); border-radius: 16px;
  padding: 0 0 14px; overflow: hidden; transition: transform 0.15s, box-shadow 0.15s;
  box-shadow: 0 4px 0 var(--ink);
}
.q:hover, .q:focus-visible { transform: translateY(-3px); box-shadow: 0 7px 0 var(--ink); outline: none; }
.q .band { display: flex; justify-content: space-between; align-items: center; background: var(--stripe); border-bottom: 3px solid var(--ink); padding: 6px 12px; font: 600 12px var(--mono); }
.q .text { display: block; padding: 12px 14px 0; font-weight: 700; font-size: 17px; line-height: 1.3; }
.q .tag { font: 600 11px var(--mono); padding: 2px 7px; border-radius: 6px; background: var(--ink); color: var(--body); }
.q .verdict { display: block; padding: 8px 14px 0; font: 600 12px var(--mono); color: var(--ink); opacity: 0.55; }
.q[aria-pressed="true"] { background: var(--label); }
.q.played .verdict { opacity: 1; }
.stage-wrap { position: sticky; top: 88px; margin: 0; }
.stage { width: min(100%, calc((100vh - 190px) * 0.8)); margin: 0 auto; aspect-ratio: 4 / 5; border-radius: 22px; overflow: hidden; border: 1px solid var(--line); background: var(--bg-2); box-shadow: 0 30px 60px rgba(0, 0, 0, 0.35); }
.stage svg { display: block; width: 100%; height: 100%; }
figcaption { width: min(100%, calc((100vh - 190px) * 0.8)); margin: 14px auto 0; font: 400 14px/1.5 var(--mono); color: var(--muted); min-height: 3em; }

/* how it works */
.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.label-card { position: relative; background: var(--body); color: var(--ink); border: 3px solid var(--ink); border-radius: 18px; padding: 54px 24px 18px; box-shadow: 0 5px 0 var(--ink); }
.label-card::before { content: ""; position: absolute; inset: 0 0 auto; height: 34px; background: var(--label); border-bottom: 3px solid var(--ink); }
.label-card .num { position: absolute; top: 4px; left: 16px; font: 600 15px var(--mono); }
.label-card p { font-size: 16px; }
.etats { display: block; width: 100%; margin: 48px 0; border-radius: 18px; border: 1px solid var(--line); }
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; }
.split div { border-top: 3px solid var(--stripe); padding-top: 18px; }
.split div:last-child { border-color: var(--label); }
.split p { color: var(--muted); }

.film { display: block; width: min(100%, 520px); aspect-ratio: 4 / 5; margin: 0 auto; border-radius: 22px; border: 1px solid var(--line); background: #000; }

/* benchmark bars */
.bars { position: relative; max-width: 760px; display: grid; gap: 16px; padding-bottom: 30px; }
.bar { display: grid; grid-template-columns: 130px 1fr 52px; align-items: center; gap: 14px; font: 600 15px var(--mono); }
.bar i { display: block; height: 26px; width: calc(var(--v) * 100%); background: var(--label); border: 3px solid var(--ink); border-radius: 8px; }
.bar:first-child i { background: var(--stripe); }
.chance { position: absolute; top: -8px; bottom: 0; left: calc(130px + 14px + (100% - 130px - 52px - 28px) * 0.5); border-left: 2px dashed var(--muted); }
.chance span { position: absolute; bottom: 0; left: 8px; font: 400 12px var(--mono); color: var(--muted); white-space: nowrap; }

.limits p { max-width: 760px; color: var(--muted); }

footer { max-width: 1180px; margin: clamp(64px, 9vw, 120px) auto 0; padding: 40px clamp(16px, 4vw, 48px) 60px; border-top: 1px solid var(--line); text-align: center; color: var(--muted); }
footer .small { font-size: 14px; }

@media (max-width: 900px) {
  .hero, .player-grid, .split { grid-template-columns: 1fr; }
  .hero { min-height: 0; }
  .steps { grid-template-columns: 1fr; }
  .stage-wrap { position: sticky; top: 64px; z-index: 2; order: -1; background: var(--bg); padding-bottom: 8px; }
  .stage, figcaption { width: min(100%, calc((60vh - 60px) * 0.8)); }
  .player-grid { display: flex; flex-direction: column; }
}
@media (max-width: 560px) {
  .top nav a:not(:last-child) { display: none; }
  .bar { grid-template-columns: 96px 1fr 44px; font-size: 13px; }
  .chance { left: calc(96px + 14px + (100% - 96px - 44px - 28px) * 0.5); }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .btn, .q { transition: none; }
}