:root{
  --bg0:#120a1f; --bg1:#1d0f33; --mauve:#3a2350; --mauve2:#553a6e;
  --neon:#7dff9b; --neon2:#39ff8b; --ink:#ece6f5; --muted:#a594c0;
}
*{box-sizing:border-box;margin:0}
html{scroll-behavior:smooth}
body{background:var(--bg0);color:var(--ink);
  font:17px/1.6 -apple-system,BlinkMacSystemFont,"Segoe UI",Inter,Roboto,sans-serif;
  -webkit-font-smoothing:antialiased}

.bg{position:fixed;inset:-20%;z-index:-2;
  background:
    radial-gradient(60% 50% at 75% 15%, rgba(125,255,155,.10), transparent 60%),
    radial-gradient(70% 60% at 20% 25%, rgba(120,60,160,.45), transparent 60%),
    radial-gradient(80% 70% at 60% 90%, rgba(60,30,90,.55), transparent 60%),
    linear-gradient(160deg,var(--bg0),var(--bg1) 55%,#0d0718);
  animation:drift 48s ease-in-out infinite alternate}
@keyframes drift{from{transform:translate3d(-2%,-1%,0) scale(1.02)}to{transform:translate3d(2%,2%,0) scale(1.06)}}
.grid{position:fixed;inset:0;z-index:-1;opacity:.18;
  background-image:linear-gradient(rgba(160,120,200,.12) 1px,transparent 1px),
                   linear-gradient(90deg,rgba(160,120,200,.12) 1px,transparent 1px);
  background-size:46px 46px;
  -webkit-mask:radial-gradient(80% 60% at 50% 30%,#000,transparent 75%);
  mask:radial-gradient(80% 60% at 50% 30%,#000,transparent 75%)}

.wrap{max-width:1080px;margin:0 auto;padding:0 28px}

header.hero{min-height:92vh;display:flex;flex-direction:column;justify-content:center;gap:26px}
.eyebrow{font-size:.8rem;letter-spacing:.45em;color:var(--muted);text-transform:uppercase}
h1{font-size:clamp(2.8rem,7vw,5.6rem);line-height:1.02;font-weight:800;letter-spacing:-.02em;
  color:var(--neon);text-shadow:0 0 36px rgba(57,255,139,.35)}
.sub{max-width:680px;font-size:clamp(1.05rem,2.2vw,1.35rem);color:var(--ink);opacity:.92}
.sub b{color:var(--neon);font-weight:600}
.chips{display:flex;flex-wrap:wrap;gap:10px;margin-top:6px}
.chip{border:1px solid rgba(125,255,155,.35);background:rgba(125,255,155,.06);
  color:var(--neon);border-radius:999px;padding:8px 16px;font-size:.85rem;text-decoration:none;
  display:inline-flex;gap:8px;align-items:center;transition:.2s}
.chip:hover{background:rgba(125,255,155,.14);transform:translateY(-1px)}
.chip .dot{width:7px;height:7px;border-radius:50%;background:var(--neon2);box-shadow:0 0 8px var(--neon2)}
.cta{display:flex;gap:14px;flex-wrap:wrap;margin-top:10px}
.btn{padding:14px 26px;border-radius:12px;font-weight:650;text-decoration:none;font-size:1rem;transition:.2s}
.btn.primary{background:var(--neon);color:#06210f;box-shadow:0 0 30px rgba(57,255,139,.4)}
.btn.primary:hover{box-shadow:0 0 44px rgba(57,255,139,.6)}
.btn.ghost{border:1px solid var(--mauve2);color:var(--ink)}
.btn.ghost:hover{border-color:var(--neon);color:var(--neon)}
.scroll{margin-top:34px;color:var(--muted);font-size:.85rem;letter-spacing:.2em}

section.beat{padding:96px 0;border-top:1px solid rgba(160,120,200,.16)}
.beat h2{font-size:clamp(1.7rem,4vw,2.8rem);font-weight:760;letter-spacing:-.01em;max-width:820px;line-height:1.12}
.beat h2 em{color:var(--neon);font-style:normal}
.beat p.lead{max-width:700px;color:var(--muted);margin-top:18px;font-size:1.12rem}

.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:18px;margin-top:42px}
.card{border:1px solid rgba(160,120,200,.2);background:rgba(40,22,60,.4);border-radius:16px;padding:22px;
  backdrop-filter:blur(6px);-webkit-backdrop-filter:blur(6px);transition:.2s}
.card:hover{border-color:rgba(125,255,155,.4);transform:translateY(-2px)}
.card h3{color:var(--neon);font-size:1.05rem;margin-bottom:8px}
.card h3 a{color:inherit;text-decoration:none}
.card p{color:var(--ink);opacity:.8;font-size:.95rem;margin:0}

.mapping{margin-top:34px;color:var(--muted);font-size:1.02rem}
.mapping b{color:var(--neon);font-weight:600}

pre.code{margin-top:26px;background:rgba(13,7,24,.7);border:1px solid rgba(160,120,200,.25);
  border-radius:14px;padding:20px 22px;overflow:auto;color:var(--ink);
  font:0.95rem/1.7 "SF Mono",ui-monospace,Menlo,Consolas,monospace}
pre.code .c{color:var(--muted)}
.caption{margin-top:12px;color:var(--muted);font-size:.9rem}

.finale{text-align:center;padding:110px 0 90px}
.finale h2{margin:0 auto}
.finale .cta{justify-content:center;margin-top:30px}
.collab{margin-top:22px;color:var(--muted)}
.collab a{color:var(--neon)}

footer{border-top:1px solid rgba(160,120,200,.16);padding:34px 0 60px;color:var(--muted);font-size:.9rem}
footer a{color:var(--muted);text-decoration:none;margin-right:18px}
footer a:hover{color:var(--neon)}
.footnote{margin-bottom:12px}

.js .reveal{opacity:0;transform:translateY(16px);transition:opacity .6s ease,transform .6s ease}
.js .reveal.in{opacity:1;transform:none}

@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .bg{animation:none}
  .js .reveal{opacity:1;transform:none;transition:none}
}