/* Gamma Engine — pearlescent white, glass, iridescent. Self-contained. */
:root{
  --pearl:#fbfcff; --pearl-2:#f2f4fb; --pearl-3:#e9ecf7;
  --ink:#1b2436; --ink-soft:#46506a; --ink-faint:#8a93ab;
  --line:rgba(27,36,54,.10);
  --iris-a:#8ab6ff; --iris-b:#c9a8ff; --iris-c:#9ef0e0; --iris-d:#ffc8e0; --iris-e:#ffe7a8;
  --uranium:#3fb950; --gold:#d8a93a; --iron:#9a3b3b;
  --grade-lo:#6aa9ff; --grade-mid:#9be36b; --grade-hi:#ffcf5a; --grade-core:#ff7ab0;
  --radius:18px; --radius-sm:12px;
  --shadow-soft:0 10px 40px -18px rgba(40,60,110,.35);
  --shadow-lift:0 24px 70px -28px rgba(40,60,110,.45);
  --maxw:1120px;
  --font:'Inter',system-ui,-apple-system,'Segoe UI',Roboto,sans-serif;
  --mono:'JetBrains Mono',ui-monospace,'SF Mono',Menlo,monospace;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:var(--font);color:var(--ink);background:var(--pearl);line-height:1.55;
  -webkit-font-smoothing:antialiased;overflow-x:hidden}
body::before{content:"";position:fixed;inset:0;z-index:-2;
  background:
    radial-gradient(60% 50% at 15% 10%,rgba(138,182,255,.20),transparent 60%),
    radial-gradient(55% 45% at 85% 15%,rgba(201,168,255,.18),transparent 60%),
    radial-gradient(60% 55% at 75% 85%,rgba(158,240,224,.16),transparent 60%),
    radial-gradient(50% 45% at 20% 90%,rgba(255,200,224,.16),transparent 60%),
    var(--pearl);
  background-size:200% 200%,200% 200%,200% 200%,200% 200%,100% 100%;
  animation:drift 26s ease-in-out infinite alternate}
@keyframes drift{0%{background-position:0% 0%,100% 0%,100% 100%,0% 100%,0 0}
  100%{background-position:30% 20%,70% 30%,60% 70%,30% 80%,0 0}}
#bgCanvas{position:fixed;inset:0;z-index:-1;opacity:.5}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 24px}
.mono{font-family:var(--mono)}

.site-head{display:flex;align-items:center;justify-content:space-between;padding:22px 24px}
.brand{display:flex;align-items:center;gap:14px}
.brand strong{display:block;letter-spacing:.14em;font-size:15px}
.brand-sub{font-size:12px;color:var(--ink-faint)}
.atom{width:34px;height:34px;border-radius:50%;flex:0 0 auto;
  background:conic-gradient(from 0deg,var(--iris-a),var(--iris-b),var(--iris-c),var(--iris-e),var(--iris-a));
  box-shadow:var(--shadow-soft);position:relative}
.atom::after{content:"";position:absolute;inset:39%;background:var(--iron);border-radius:50%}
.ticker{font:600 11px/1 var(--mono);color:var(--ink-faint);letter-spacing:.08em}

.hero{padding:42px 24px 18px}
.kicker{font:600 12px/1 var(--mono);letter-spacing:.16em;text-transform:uppercase;color:var(--ink-faint);margin:0 0 14px}
.hero h1{font-size:clamp(2rem,5.5vw,3.4rem);font-weight:800;letter-spacing:-.02em;margin:0 0 16px;line-height:1.05}
.grad{background:linear-gradient(100deg,var(--iris-a),var(--iris-b) 40%,var(--grade-core));-webkit-background-clip:text;background-clip:text;color:transparent}
.lede{max-width:760px;font-size:clamp(1.02rem,2.4vw,1.18rem);color:var(--ink-soft);margin:0 0 18px}
.pill{display:inline-flex;align-items:center;gap:7px;font:600 12px/1 var(--mono);padding:8px 14px;border-radius:999px;border:1px solid var(--line)}
.pill-live{color:var(--uranium);background:rgba(63,185,80,.08)}
.pill-off{color:var(--iron);background:rgba(154,59,59,.08)}

.card{background:rgba(255,255,255,.62);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-soft);
  padding:26px;margin:22px 0}
.card.flat{background:rgba(255,255,255,.45)}
.card-head h2,.card>h2{font-size:1.4rem;font-weight:700;margin:0 0 6px;letter-spacing:-.01em}
.card-sub{color:var(--ink-soft);margin:0 0 18px;font-size:.97rem;max-width:780px}
.grid-2{display:grid;grid-template-columns:minmax(280px,1fr) 1.25fr;gap:26px;align-items:start}
@media(max-width:860px){.grid-2{grid-template-columns:1fr}}

.controls label{display:block;font-weight:600;font-size:.9rem;margin:0 0 16px;color:var(--ink-soft)}
.controls .mono{color:var(--ink);font-size:.92rem}
.controls input[type=range]{width:100%;margin-top:8px;accent-color:var(--iris-b)}
.controls select{width:100%;margin-top:8px;padding:9px 11px;border-radius:var(--radius-sm);border:1px solid var(--line);background:var(--pearl);font:inherit;color:var(--ink)}
.controls .row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.controls.inline{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
@media(max-width:680px){.controls.inline{grid-template-columns:1fr}.controls .row{grid-template-columns:1fr}}
.chk{display:flex;align-items:center;gap:8px;cursor:pointer}
.chk input{accent-color:var(--iris-b);width:16px;height:16px}
.note{font-size:.82rem;color:var(--ink-faint);margin:2px 0 0;font-style:italic}

.viz canvas{width:100%;display:block;border-radius:var(--radius-sm)}
.viz.wide{margin-top:6px}
.readouts{display:grid;grid-template-columns:repeat(4,1fr);gap:10px;margin-top:14px}
@media(max-width:680px){.readouts{grid-template-columns:repeat(2,1fr)}}
.ro{background:var(--pearl-2);border:1px solid var(--line);border-radius:var(--radius-sm);padding:10px 12px;text-align:center}
.ro span{display:block;font-size:.7rem;letter-spacing:.06em;text-transform:uppercase;color:var(--ink-faint)}
.ro b{display:block;font:700 1.25rem/1.1 var(--mono);margin:3px 0 1px}
.ro b.small{font-size:.82rem}
.ro i{font-size:.7rem;color:var(--ink-faint);font-style:normal}
.hero-ro{background:linear-gradient(135deg,rgba(255,122,176,.14),rgba(201,168,255,.14));border-color:rgba(201,168,255,.4)}
.badges{display:flex;gap:8px;flex-wrap:wrap;margin-top:12px}
.badge{font:600 11px/1 var(--mono);padding:7px 11px;border-radius:999px;letter-spacing:.04em;
  background:rgba(138,182,255,.16);color:#2b4a86;border:1px solid rgba(138,182,255,.4)}
.badge.ghost{background:transparent;color:var(--ink-faint);border:1px solid var(--line)}
.calib{font-size:.78rem;color:var(--ink-faint);margin:16px 0 0;border-top:1px dashed var(--line);padding-top:12px}

.proof{margin:8px 0 0;padding:0;list-style:none}
.proof li{padding:10px 0 10px 26px;position:relative;color:var(--ink-soft);border-bottom:1px solid var(--line)}
.proof li:last-child{border-bottom:0}
.proof li::before{content:"◆";position:absolute;left:0;top:10px;color:var(--iris-b)}
.proof b{color:var(--ink)}

.foot{display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap;
  color:var(--ink-faint);font-size:.82rem;padding:30px 0 50px}
.foot .mono{font-size:.74rem}