:root {
  --machine: #1a2a1c;
  --oil: #121410;
  --tape: #d4b43a;
  --ticket: #f0ead8;
  --mute: #8a9480;
  --display: "Saira Condensed", "Noto Sans SC", sans-serif;
  --sans: "Noto Sans SC", "PingFang SC", sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, monospace;
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
section[id] { scroll-margin-top: 70px; }
body { margin: 0; background: var(--machine); color: var(--ticket); font-family: var(--sans); line-height: 1.7; }
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
.app-link { color: var(--tape); text-decoration: underline; text-underline-offset: 3px; }
button { font-family: inherit; cursor: pointer; }
.oil {
  pointer-events: none;
  position: fixed;
  inset: 0;
  z-index: 6;
  opacity: 0.12;
  background-image: url("images/texture.webp");
  background-size: 400px auto;
  mix-blend-mode: overlay;
}
.skip { position: absolute; left: -999px; }
.skip:focus { left: 12px; top: 12px; z-index: 80; background: var(--tape); color: #111; padding: 8px; }
.line-bar {
  position: sticky;
  top: 0;
  z-index: 40;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  padding: 8px 20px;
  background: rgba(26, 42, 28, 0.94);
  border-bottom: 4px solid var(--tape);
}
.brand { font-family: var(--display); font-size: 28px; letter-spacing: 0.04em; }
.brand small { display: block; font-family: var(--mono); font-size: 10px; color: var(--mute); font-weight: 400; letter-spacing: 0.14em; }
.nav-toggle { display: none; background: var(--tape); color: #111; border: 0; padding: 7px 12px; font-weight: 700; }
.line-links { display: flex; gap: 14px; font-size: 14px; flex-wrap: wrap; align-items: center; }
.line-links a { color: var(--mute); }
.line-links a.is-active, .line-links a:hover { color: var(--tape); }
.line-links .live { background: var(--tape); color: #111; padding: 6px 12px; font-weight: 700; }
.belt { display: grid; grid-template-columns: 1.15fr 0.85fr; min-height: 86vh; }
.belt figure { margin: 0; }
.belt img { width: 100%; height: 100%; object-fit: cover; min-height: 440px; }
.copy { padding: 40px 32px; align-self: center; }
.kicker { font-family: var(--mono); letter-spacing: 0.16em; font-size: 11px; color: var(--tape); margin: 0 0 10px; }
h1, h2, h3 { font-family: var(--display); margin: 0 0 10px; line-height: 1.05; font-weight: 700; }
h1 { font-size: clamp(30px, 4.6vw, 48px); }
.lead { color: var(--mute); }
.ticket { margin: 16px 0; padding: 14px; background: var(--ticket); color: var(--oil); border-left: 8px solid var(--tape); }
.ticket .kicker { color: #6a5a10; }
.n { font-family: var(--display); font-size: 36px; margin: 0 0 6px; }
.ticket button { margin-top: 8px; background: var(--oil); color: var(--ticket); border: 0; padding: 8px 14px; }
.cta { display: flex; flex-wrap: wrap; gap: 10px; }
.btn { display: inline-flex; padding: 10px 16px; border: 1px solid currentColor; }
.btn.fill { background: var(--tape); color: #111; border-color: var(--tape); font-weight: 700; }
.w { width: min(1080px, calc(100% - 40px)); margin: 0 auto; padding: 72px 0; }
#need, #skip, #rules { background: var(--ticket); color: var(--oil); }
#need .kicker, #skip .kicker, #rules .kicker { color: #6a5a10; }
.machine { background: var(--oil); }
.tri { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 12px; margin-top: 16px; }
.tri article { background: rgba(255,255,255,0.04); padding: 16px; }
#need .tri article { background: #fff; }
.tri ul, .io ul, #rules ol { margin: 0; padding-left: 1.1em; }
.steps { padding-left: 1.2em; max-width: 46em; }
.pair { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-top: 24px; }
.pair figure { margin: 0; }
.pair img { width: 100%; height: 220px; object-fit: cover; }
.pair figcaption { font-size: 13px; color: var(--mute); margin-top: 8px; }
.io { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.io > div { background: #1c241c; padding: 16px; }
.url { margin-top: 16px; font-family: var(--mono); font-size: 13px; }
footer { padding: 20px 24px 40px; color: var(--mute); font-size: 13px; }
@media (max-width: 900px) {
  .nav-toggle { display: inline-block; }
  .line-bar { flex-wrap: wrap; }
  .line-links { display: none; width: 100%; flex-direction: column; background: var(--machine); padding: 12px; }
  .line-links.open { display: flex; }
  .belt, .tri, .pair, .io { grid-template-columns: 1fr; }
}