/* Shared styles for Seats interior pages (About, How it works, Privacy, Terms) */
:root {
  --bg: #08080e;
  --bg-2: #0b0b14;
  --text: #eef0f7;
  --muted: #a6a8bd;
  --faint: #6d6f88;
  --line: rgba(255,255,255,0.09);
  --line-strong: rgba(255,255,255,0.15);
  --cyan: #22d3ee;
  --sky: #38bdf8;
  --indigo: #6366f1;
  --signal: #7dd3fc;
  --grad: linear-gradient(100deg, #22d3ee 0%, #38bdf8 55%, #6f8bff 100%);
  --grad-2: linear-gradient(135deg, #22d3ee, #4f8bff);
  --nav-h: 80px;
  --container: 1000px;
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0; background: var(--bg); color: var(--text);
  font-family: "Archivo", system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
  font-weight: 500; line-height: 1.65; -webkit-font-smoothing: antialiased; text-rendering: optimizeLegibility;
  position: relative; min-height: 100vh; overflow-x: hidden;
}
.container { max-width: var(--container); margin: 0 auto; padding: 0 clamp(20px, 5vw, 40px); width: 100%; }

/* Ambient background (static, calm for reading) */
.aurora { position: fixed; inset: -20% -10% auto -10%; height: 110vh; z-index: 0; pointer-events: none; filter: blur(80px); opacity: 0.55; }
.aurora span { position: absolute; border-radius: 50%; mix-blend-mode: screen; }
.aurora .b1 { width: 56vw; height: 56vw; left: -8vw; top: -18vh; background: radial-gradient(circle, rgba(34,211,238,0.85), transparent 62%); animation: drift1 22s ease-in-out infinite; }
.aurora .b2 { width: 50vw; height: 50vw; right: -8vw; top: -10vh; background: radial-gradient(circle, rgba(56,139,255,0.8), transparent 62%); animation: drift2 26s ease-in-out infinite; }
.aurora .b3 { width: 44vw; height: 44vw; left: 40vw; top: 4vh; background: radial-gradient(circle, rgba(99,102,241,0.6), transparent 60%); animation: drift3 30s ease-in-out infinite; }
@keyframes drift1 { 0%,100%{ transform: translate(0,0) scale(1);} 50%{ transform: translate(5vw,3vh) scale(1.08);} }
@keyframes drift2 { 0%,100%{ transform: translate(0,0) scale(1);} 50%{ transform: translate(-4vw,4vh) scale(1.1);} }
@keyframes drift3 { 0%,100%{ transform: translate(0,0) scale(1);} 50%{ transform: translate(-3vw,-2vh) scale(1.08);} }
.dots { position: fixed; inset: 0; z-index: 0; pointer-events: none; opacity: 0.5;
  background-image: radial-gradient(rgba(120,160,255,0.12) 1px, transparent 1.4px); background-size: 34px 34px; }
.veil { position: fixed; inset: 0; z-index: 0; pointer-events: none;
  background: radial-gradient(120% 80% at 50% -5%, transparent 30%, rgba(8,8,14,0.6) 74%, var(--bg) 100%); }

/* Nav */
.nav { position: sticky; top: 0; z-index: 50; height: var(--nav-h);
  background: rgba(8,8,14,0.72); -webkit-backdrop-filter: blur(16px); backdrop-filter: blur(16px); border-bottom: 1px solid var(--line); }
.nav .container { display: flex; align-items: center; justify-content: space-between; height: 100%; }
.wm { display: inline-flex; align-items: center; gap: 8px; text-decoration: none; }
.wm-icon { height: 48px; width: auto; display: block; }
.wm-text { font-weight: 800; font-size: 24px; letter-spacing: 0.01em; color: #fff; }
.wm-icon--foot { height: 30px; }
.wm-text--foot { font-size: 18px; }
.nav-right { display: flex; align-items: center; gap: 26px; }
.nav-links { display: flex; gap: 24px; }
.nav-links a { color: var(--muted); font-size: 14.5px; font-weight: 600; text-decoration: none; transition: color .2s ease; }
.nav-links a:hover { color: #fff; }
.btn { display: inline-flex; align-items: center; font-weight: 700; font-size: 14.5px; color: #04121a; padding: 10px 18px; border-radius: 11px; background: var(--grad); text-decoration: none; box-shadow: 0 10px 30px -12px rgba(34,211,238,0.7); transition: transform .18s ease, box-shadow .3s ease; }
.btn:hover { transform: translateY(-2px); box-shadow: 0 16px 40px -14px rgba(56,139,255,0.85); }
a { color: var(--signal); text-decoration: none; }
a:hover { text-decoration: underline; }
:focus-visible { outline: 2px solid #7dd3fc; outline-offset: 3px; border-radius: 6px; }

/* Content */
main { position: relative; z-index: 1; }
.page { padding: clamp(48px, 8vh, 96px) 0 clamp(64px, 10vh, 120px); }
.kicker { display: inline-flex; align-items: center; gap: 10px; font-family: "IBM Plex Mono", monospace; font-size: 12.5px; font-weight: 600; letter-spacing: 0.2em; text-transform: uppercase; color: var(--muted); margin: 0 0 14px; }
.kicker .k-dot { width: 8px; height: 8px; border-radius: 2px; background: var(--grad-2); }
h1 { font-size: clamp(34px, 5vw, 54px); line-height: 1.04; font-weight: 900; letter-spacing: -0.03em; color: #fff; margin: 0 0 18px; }
h1 .grad { background: var(--grad); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; }
.lede { font-size: clamp(17px, 2vw, 20px); color: #c9cadb; margin: 0 0 40px; max-width: 60ch; }

.panel { background: rgba(255,255,255,0.05); -webkit-backdrop-filter: blur(16px) saturate(1.4); backdrop-filter: blur(16px) saturate(1.4);
  border: 1px solid rgba(255,255,255,0.1); border-radius: 20px; box-shadow: inset 0 1px 0 rgba(255,255,255,0.1), 0 26px 64px -36px rgba(0,0,0,0.9);
  padding: clamp(28px, 4vw, 52px); }
@supports not ((backdrop-filter: blur(2px)) or (-webkit-backdrop-filter: blur(2px))) { .panel { background: rgba(16,18,28,0.92); } }

.prose { max-width: 72ch; }
.prose h2 { font-size: clamp(20px, 2.4vw, 26px); font-weight: 800; letter-spacing: -0.01em; color: #fff; margin: 34px 0 12px; }
.prose h2:first-child { margin-top: 0; }
.prose h3 { font-size: 17px; font-weight: 700; color: #eaeaf3; margin: 22px 0 8px; }
.prose p { color: var(--muted); font-size: 16.5px; line-height: 1.7; margin: 0 0 16px; }
.prose ul { color: var(--muted); font-size: 16.5px; line-height: 1.7; margin: 0 0 16px; padding-left: 22px; }
.prose li { margin-bottom: 8px; }
.prose strong { color: #fff; font-weight: 700; }
.prose a { color: var(--signal); }
.prose .meta { color: var(--faint); font-size: 14px; font-family: "IBM Plex Mono", monospace; }

/* Steps (how it works) */
.steps { display: grid; gap: 18px; margin-top: 8px; }
.step { display: grid; grid-template-columns: 52px 1fr; gap: 20px; align-items: start; }
.step .n { width: 52px; height: 52px; border-radius: 14px; display: grid; place-items: center; font-family: "IBM Plex Mono", monospace; font-weight: 600; font-size: 20px; color: #04121a; background: var(--grad); }
.step h2 { margin: 4px 0 8px; }
.mono-pill { display: inline-block; font-family: "IBM Plex Mono", monospace; font-size: 14px; color: var(--signal); background: rgba(34,211,238,0.08); border: 1px solid rgba(34,211,238,0.25); border-radius: 999px; padding: 4px 12px; margin: 2px 4px 2px 0; }

/* Footer */
footer { position: relative; z-index: 1; border-top: 1px solid var(--line); padding: 54px 0 46px; margin-top: 40px; }
.foot-grid { display: grid; grid-template-columns: 1.6fr 1fr 1fr; gap: 32px; align-items: start; }
.foot-grid .about { color: var(--muted); font-size: 14.5px; max-width: 34ch; margin: 14px 0 0; line-height: 1.6; }
.foot-col h4 { font-family: "IBM Plex Mono", monospace; font-size: 11.5px; letter-spacing: 0.18em; text-transform: uppercase; color: var(--faint); margin: 0 0 12px; font-weight: 600; }
.foot-col a, .foot-col span { display: block; color: var(--muted); font-size: 14.5px; margin-bottom: 8px; text-decoration: none; }
.foot-col a:hover { color: #fff; }
.foot-bottom { display: flex; justify-content: space-between; align-items: center; gap: 16px; flex-wrap: wrap; margin-top: 40px; padding-top: 22px; border-top: 1px solid var(--line); font-size: 13px; color: var(--faint); }

@media (max-width: 700px) {
  .foot-grid { grid-template-columns: 1fr 1fr; }
  .foot-grid .about-col { grid-column: 1 / -1; }
  .step { grid-template-columns: 1fr; gap: 8px; }
  .step .n { width: 44px; height: 44px; font-size: 18px; }
}
@media (max-width: 520px) { .nav-links { display: none; } .foot-grid { grid-template-columns: 1fr; } }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } .aurora span { animation: none !important; } }