:root {
  --bg: #0a0e1a;
  --surface: #121829;
  --surface-2: #1a2136;
  --line: #262f4a;
  --text: #eef1f8;
  --muted: #98a2bd;
  --accent: #5b7cff;
  --accent-2: #22d3ee;
  --danger: #f05252;
}
* { box-sizing: border-box; }
html, body { margin: 0; }
body {
  font-family: Inter, system-ui, -apple-system, "Segoe UI", sans-serif;
  background:
    radial-gradient(1000px 600px at 85% -10%, rgba(91,124,255,.22), transparent 60%),
    radial-gradient(800px 500px at -10% 30%, rgba(34,211,238,.10), transparent 60%),
    var(--bg);
  color: var(--text);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}
a { color: inherit; }
button { font: inherit; cursor: pointer; }
.hidden { display: none !important; }
.ms { font-family: "Material Symbols Outlined"; font-weight: normal; font-style: normal; font-size: 20px; line-height: 1; display: inline-block; vertical-align: middle; -webkit-font-smoothing: antialiased; white-space: nowrap; }

.top { display: flex; justify-content: space-between; align-items: center; padding: 18px clamp(16px, 4vw, 48px); }
.brand { display: flex; align-items: center; gap: 10px; font-weight: 700; font-size: 19px; text-decoration: none; letter-spacing: -.01em; }
.clock { color: var(--muted); font-size: 14px; }

main { flex: 1; width: min(1200px, 100%); margin: 0 auto; padding: 0 clamp(16px, 4vw, 48px); display: flex; flex-direction: column; justify-content: center; }

/* ---------- hero ---------- */
.hero { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr); gap: clamp(32px, 5vw, 72px); align-items: center; padding: clamp(24px, 6vh, 72px) 0 56px; }
.pill { display: inline-flex; align-items: center; gap: 6px; padding: 6px 12px; border: 1px solid var(--line); border-radius: 999px; background: rgba(255,255,255,.03); color: var(--muted); font-size: 13px; }
.pill .ms { color: var(--accent-2); font-size: 18px; }
h1 { font-size: clamp(36px, 5vw, 58px); line-height: 1.05; letter-spacing: -.035em; font-weight: 700; margin: 20px 0 16px; }
.grad { background: linear-gradient(90deg, var(--accent), var(--accent-2)); -webkit-background-clip: text; background-clip: text; color: transparent; }
.lead { color: var(--muted); font-size: 17px; line-height: 1.6; max-width: 34em; margin: 0 0 28px; }

.start-card { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; }
.btn { display: inline-flex; align-items: center; gap: 8px; border: 0; border-radius: 12px; padding: 13px 20px; font-weight: 600; font-size: 15px; text-decoration: none; }
.btn.primary { background: linear-gradient(135deg, var(--accent), #7b5bff); color: #fff; box-shadow: 0 8px 24px rgba(91,124,255,.35); }
.btn.primary:hover { filter: brightness(1.08); }
.btn.ghost { background: transparent; color: var(--accent); padding: 10px 14px; }
.btn.ghost:disabled { color: var(--muted); opacity: .6; cursor: default; }
.or { color: var(--muted); font-size: 14px; }
.join { display: flex; align-items: center; gap: 4px; background: var(--surface); border: 1px solid var(--line); border-radius: 12px; padding: 4px 4px 4px 12px; flex: 1; min-width: 240px; max-width: 360px; }
.join:focus-within { border-color: var(--accent); }
.join .ms { color: var(--muted); }
.join input { flex: 1; min-width: 0; background: transparent; border: 0; outline: 0; color: var(--text); font: inherit; font-size: 15px; padding: 9px 4px; }
.join input::placeholder { color: #6c7591; }
.err { color: var(--danger); font-size: 14px; min-height: 1.2em; margin: 10px 0 0; }

.recent { margin-top: 18px; max-width: 520px; }
.recent h2 { font-size: 13px; text-transform: uppercase; letter-spacing: .08em; color: var(--muted); font-weight: 600; margin: 0 0 8px; }
.recent ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 6px; }
.recent a { display: flex; align-items: center; gap: 12px; padding: 10px 14px; border-radius: 10px; background: var(--surface); border: 1px solid var(--line); text-decoration: none; font-size: 14px; }
.recent a:hover { border-color: var(--accent); }
.recent .code { font-weight: 600; font-variant-numeric: tabular-nums; }
.recent .when { color: var(--muted); margin-left: auto; }
.recent .ms { color: var(--muted); }

/* ---------- hero visual ---------- */
.hero-visual { position: relative; }
.window { background: var(--surface); border: 1px solid var(--line); border-radius: 18px; box-shadow: 0 30px 80px rgba(0,0,0,.5); overflow: hidden; position: relative; }
.window-bar { display: flex; align-items: center; gap: 6px; padding: 12px 14px; border-bottom: 1px solid var(--line); font-size: 12px; color: var(--muted); }
.window-bar i { width: 10px; height: 10px; border-radius: 50%; background: #2c3553; }
.window-bar span { margin-left: 8px; }
.rec { margin-left: auto; display: flex; align-items: center; gap: 6px; color: #ffb4b4; font-weight: 600; }
.rec em { width: 8px; height: 8px; border-radius: 50%; background: var(--danger); animation: blink 1.2s infinite; }
@keyframes blink { 50% { opacity: .3; } }
.mock-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; padding: 10px; }
.mock-tile { position: relative; aspect-ratio: 16/10; border-radius: 12px; display: grid; place-items: center; outline: 2px solid transparent; outline-offset: -2px; }
.t1 { background: linear-gradient(135deg, #24305a, #1a2240); }
.t2 { background: linear-gradient(135deg, #2b2343, #1d1a33); }
.t3 { background: linear-gradient(135deg, #17363f, #13262e); }
.t4 { background: linear-gradient(135deg, #2a2f3f, #1c2030); }
.mock-tile .av { width: 54px; height: 54px; border-radius: 50%; display: grid; place-items: center; font-weight: 600; font-size: 16px; color: #fff; }
.t1 .av { background: #5b7cff; } .t2 .av { background: #a855f7; } .t3 .av { background: #14b8a6; } .t4 .av { background: #64748b; font-size: 13px; }
.mock-tile .nm { position: absolute; left: 10px; bottom: 8px; font-size: 12px; }
.mock-tile .mic { position: absolute; right: 8px; top: 8px; font-size: 16px; background: rgba(0,0,0,.4); border-radius: 50%; padding: 4px; }
.mock-tile .hand { position: absolute; left: 8px; top: 8px; font-size: 16px; background: #fff; color: #111; border-radius: 50%; padding: 5px; }
.mock-tile.speaking { animation: speak 1.6s ease-in-out infinite; }
@keyframes speak { 0%, 100% { outline-color: rgba(91,124,255,.3); } 50% { outline-color: var(--accent); } }
.mock-caption { margin: 2px 14px 10px; background: rgba(0,0,0,.45); border-radius: 8px; padding: 8px 12px; font-size: 13px; }
.mock-caption b { color: var(--accent-2); margin-right: 6px; font-weight: 600; }
.mock-dock { display: flex; justify-content: center; gap: 8px; padding: 0 0 14px; }
.mock-dock i { width: 34px; height: 34px; border-radius: 50%; background: var(--surface-2); display: grid; place-items: center; font-size: 18px; }
.mock-dock i.on { background: var(--danger); }
.mock-dock i.end { background: var(--danger); width: 46px; border-radius: 17px; }
.minutes-card { position: absolute; right: -28px; top: 46%; width: min(240px, 60%); background: #f8faff; color: #121829; border-radius: 14px; padding: 14px 16px; box-shadow: 0 20px 50px rgba(0,0,0,.45); font-size: 13px; animation: rise .8s .3s both; }
@keyframes rise { from { opacity: 0; transform: translateY(14px); } }
.minutes-card p { margin: 3px 0; }
.minutes-card span { color: #64748b; }
.mc-head { display: flex; align-items: center; gap: 6px; font-weight: 700; margin-bottom: 6px; }
.mc-head .ms { color: var(--accent); }
.mc-label { font-size: 11px; text-transform: uppercase; letter-spacing: .08em; color: #64748b; margin-top: 8px !important; font-weight: 600; }

.foot { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 8px; padding: 20px clamp(16px, 4vw, 48px); border-top: 1px solid var(--line); color: var(--muted); font-size: 13px; }
.foot span:first-child { display: flex; align-items: center; gap: 8px; color: var(--text); font-weight: 600; }

@media (max-width: 900px) {
  .hero { grid-template-columns: 1fr; }
  .hero-visual { order: 2; }
  .minutes-card { position: relative; right: auto; top: auto; width: auto; max-width: 320px; margin: -18px 12px 0 auto; }
}
@media (max-width: 560px) {
  .start-card { flex-direction: column; align-items: stretch; }
  .or { text-align: center; }
  .join { max-width: none; }
  .btn.primary { justify-content: center; }
  .clock { display: none; }
}