:root{
  --bg:#0A0F1A; --bg-2:#0B1020; --card:#0B1220; --glass:rgba(15,23,42,.55);
  --text:#CBD5E1; --muted:#9FB2FF; --brand:#2563EB; --indigo:#4F46E5; --mint:#00E5A8;
  --ring:#7AA3FF; --border:rgba(59,76,110,.55); --shadow:0 12px 40px rgba(0,0,0,.35);
  --radius-xl:22px; --radius-lg:16px; --blur:14px; --shell-max:1200px; --shell-pad:max(16px, env(safe-area-inset-left));
}
*{box-sizing:border-box}
html,body{height:100%}html{scroll-behavior:smooth}
body{
  margin:0; color:var(--text); background:
    radial-gradient(1000px 520px at 12% -6%, #1E1B4B 0%, transparent 45%),
    radial-gradient(900px 480px at 110% 12%, #0C4A6E 0%, transparent 48%),
    linear-gradient(180deg, var(--bg), var(--bg-2));
  font:400 16px/1.55 Inter, system-ui, -apple-system, Segoe UI, Roboto, Ubuntu, Cantarell;
  -webkit-font-smoothing:antialiased; -moz-osx-font-smoothing:grayscale;
}
.visually-hidden{position:absolute!important;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
:focus{outline:none}:focus-visible{outline:2px solid var(--ring); outline-offset:3px; border-radius:12px}

/* Header */
.nav{position:sticky;top:0;z-index:50;background:linear-gradient(180deg, rgba(10,15,26,.92), rgba(10,15,26,.65));backdrop-filter:blur(10px);border-bottom:1px solid rgba(21,28,46,.9);display:flex;align-items:center;justify-content:space-between;gap:.75rem;padding:.75rem 1rem}
.nav-actions{display:flex;gap:.5rem;flex-wrap:wrap}
.brand{display:flex;gap:.75rem;text-decoration:none;color:#fff;align-items:center}
.brand-mark{display:grid;place-items:center;width:44px;height:44px;border-radius:14px;background:linear-gradient(135deg,var(--brand),var(--indigo));box-shadow:var(--shadow),inset 0 0 18px rgba(255,255,255,.12);font-weight:900}
.brand-text small{display:block;color:#A5B4FC}

/* Shell & Cards */
.shell{max-width:var(--shell-max);margin:20px auto;padding:0 var(--shell-pad)}
.card{background:var(--glass);border:1px solid var(--border);border-radius:var(--radius-xl);padding:18px;box-shadow:var(--shadow);backdrop-filter:blur(var(--blur))}
.crystal{position:relative;overflow:hidden}
.crystal::before{content:"";position:absolute;inset:0;pointer-events:none;border-radius:inherit;background:
  linear-gradient(180deg,rgba(255,255,255,.10),rgba(255,255,255,.02)) border-box,
  linear-gradient(180deg,rgba(59,76,110,.65),rgba(59,76,110,.30)) border-box;
mask: linear-gradient(#000 0 0) padding-box, linear-gradient(#000 0 0);
-webkit-mask-composite: destination-out; mask-composite: exclude; border: 1px solid transparent}

.hero{min-height:clamp(260px,38vh,520px);display:grid;place-items:center;text-align:center}
.hero .title{font-weight:900;font-size:clamp(22px,2.2vw + 14px,36px);margin:.25rem 0 .35rem;background:linear-gradient(90deg,#D6DEFF,#7AA3FF);-webkit-background-clip:text;background-clip:text;color:transparent}
.subtitle{color:var(--muted);max-width:64ch;margin:0 auto}
.cta{display:flex;gap:.6rem;justify-content:center;flex-wrap:wrap;margin-top:12px}

.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:12px}
.mini{background:rgba(2,6,23,.4);border:1px solid rgba(51,65,85,.45);border-radius:16px;padding:12px}
.warn{background:#2a1830;border:1px solid #442243}

/* Pills */
.pill{display:inline-flex;align-items:center;gap:.55rem;padding:.58rem 1rem;border-radius:14px;border:1px solid var(--border);background:#0B1220;color:#DFE7FF;text-decoration:none;transition:transform .15s ease,filter .2s ease,background .2s ease;box-shadow:0 8px 22px rgba(0,0,0,.25)}
.pill:hover{transform:translateY(-1px);filter:brightness(1.05)}
.pill-primary{border:0;color:white;background:linear-gradient(135deg,var(--brand),var(--indigo));box-shadow:0 10px 30px rgba(0,0,0,.25)}

/* Player */
.player{position:relative;display:grid;place-items:center;aspect-ratio:16/9;background:#0B1220;border:1px solid #1f2a44;border-radius:16px;overflow:hidden}
.player iframe{width:100%;height:100%;display:block;border:0}
.play{width:88px;height:88px;border-radius:50%;border:0;cursor:pointer;background:radial-gradient(circle at 30% 30%, #89A8FF 0%, #365CFF 35%, var(--indigo) 75%);color:white;font-weight:900;box-shadow:0 0 30px rgba(80,120,255,.45);transition:transform .15s ease, filter .2s ease}
.play:hover{transform:translateY(-1px) scale(1.03);filter:brightness(1.05)}
.note{position:absolute;bottom:10px;left:10px;font-size:12px;color:#8EA5FF}

/* Footer */
.foot{max-width:var(--shell-max);margin:28px auto;padding:0 var(--shell-pad);color:#9FB2FFB3;text-align:center}

/* Reduced motion */
@media (prefers-reduced-motion: reduce){*,*::before,*::after{animation:none!important;transition:none!important}}