:root{
  --ink:rgba(255,255,255,.9);
  --muted:rgba(255,255,255,.62);
  --line:rgba(255,255,255,.15);
  --violet:#b9a7ff;
  --cyan:#8ddcff;
  --glass:rgba(8,10,20,.58);
}
*{box-sizing:border-box}
html,body{margin:0;min-height:100%;background:#000;color:var(--ink);font-family:Inter,Arial,sans-serif;overflow-x:hidden}
body{background:#000}
.bg{position:fixed;inset:0;z-index:-3;background:radial-gradient(circle at 50% 16%,rgba(185,167,255,.20),transparent 30%),radial-gradient(circle at 15% 78%,rgba(141,220,255,.10),transparent 32%),#000}
.bg:after{content:"";position:absolute;inset:-12%;background:radial-gradient(circle at 80% 16%,rgba(255,230,180,.08),transparent 25%);filter:blur(24px);animation:drift 12s ease-in-out infinite}
.grain{position:fixed;inset:0;z-index:-2;opacity:.055;pointer-events:none;background-image:url("data:image/svg+xml,%3Csvg viewBox='0 0 180 180' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.72' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='180' height='180' filter='url(%23n)' opacity='.72'/%3E%3C/svg%3E")}
nav{position:sticky;top:0;z-index:10;display:flex;align-items:center;justify-content:space-between;gap:20px;padding:20px clamp(18px,4vw,52px);background:linear-gradient(180deg,rgba(0,0,0,.72),rgba(0,0,0,.22));backdrop-filter:blur(18px)}
.logo{letter-spacing:.34em;text-transform:uppercase;color:white;text-decoration:none;font-size:13px}
.links{display:flex;gap:18px;align-items:center;flex-wrap:wrap;justify-content:flex-end}
.links a{color:rgba(255,255,255,.65);text-decoration:none;font-size:12px;letter-spacing:.12em;text-transform:uppercase}
.links a:hover{color:#fff}
.links .cta{border:1px solid rgba(185,167,255,.42);border-radius:999px;padding:10px 14px;color:#fff;background:rgba(185,167,255,.12)}
.page{width:min(1160px,calc(100vw - 36px));margin:0 auto}
.hero{min-height:78vh;display:grid;align-items:center;padding:70px 0}
.kicker{color:rgba(185,167,255,.9);letter-spacing:.28em;text-transform:uppercase;font-size:12px;margin-bottom:18px}
h1{font-size:clamp(48px,9vw,116px);line-height:.94;font-weight:250;letter-spacing:-.055em;margin:0}
h2{font-size:clamp(32px,5vw,68px);line-height:1;font-weight:320;letter-spacing:-.04em;margin:0 0 24px}
p{color:rgba(255,255,255,.66);line-height:1.6}
.lead{max-width:760px;font-size:clamp(18px,2.2vw,25px);margin:28px 0 34px;color:rgba(255,255,255,.72)}
.actions{display:flex;gap:14px;flex-wrap:wrap}
.btn{min-height:54px;display:inline-flex;align-items:center;justify-content:center;padding:0 24px;border-radius:999px;border:1px solid rgba(255,255,255,.16);text-decoration:none;color:white;background:rgba(255,255,255,.045);backdrop-filter:blur(12px);font-size:12px;font-weight:760;letter-spacing:.14em;text-transform:uppercase}
.btn.primary{background:rgba(185,167,255,.25);border-color:rgba(185,167,255,.48)}
.section{padding:76px 0}
.grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.card{border:1px solid var(--line);border-radius:30px;padding:26px;background:linear-gradient(180deg,rgba(255,255,255,.06),rgba(255,255,255,.025)),var(--glass);backdrop-filter:blur(18px);min-height:210px;text-decoration:none;color:white;transition:.25s ease}
.card:hover{transform:translateY(-4px);border-color:rgba(185,167,255,.45);box-shadow:0 0 70px rgba(185,167,255,.16)}
.orb{width:86px;height:86px;border-radius:50%;border:1px solid rgba(255,255,255,.18);margin-bottom:20px;position:relative}
.orb:before,.orb:after{content:"";position:absolute;inset:24%;border:1px solid rgba(255,255,255,.22);border-radius:50%;transform:rotate(28deg) scaleX(1.8)}
.orb:after{transform:rotate(-43deg) scaleX(1.65);opacity:.7}
.docs{width:min(1200px,calc(100vw - 36px));margin:0 auto;display:grid;grid-template-columns:260px 1fr 210px;gap:34px;padding:34px 0 80px}
.sidebar,.toc{position:sticky;top:92px;align-self:start;border:1px solid rgba(255,255,255,.12);border-radius:24px;padding:16px;background:rgba(8,10,20,.50);backdrop-filter:blur(16px)}
.sidebar a,.toc a{display:block;color:rgba(255,255,255,.62);text-decoration:none;padding:10px 12px;border-radius:14px;font-size:13px}
.sidebar a:hover,.toc a:hover{background:rgba(255,255,255,.06);color:white}
.article section{border-bottom:1px solid rgba(255,255,255,.08);padding-bottom:34px;margin-bottom:34px}
.code{border:1px solid rgba(255,255,255,.12);border-radius:20px;padding:18px;background:rgba(0,0,0,.34);font-family:monospace;color:rgba(255,255,255,.76);overflow:auto}
footer{width:min(1160px,calc(100vw - 36px));margin:70px auto 0;padding:34px 0 50px;color:rgba(255,255,255,.38);border-top:1px solid rgba(255,255,255,.08);display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap}
@keyframes drift{50%{transform:translate3d(-2%,1%,0) scale(1.06)}}
@media(max-width:980px){.grid{grid-template-columns:1fr 1fr}.docs{grid-template-columns:1fr}.toc{display:none}.sidebar{position:relative;top:auto}}
@media(max-width:700px){nav{align-items:flex-start}.links{gap:10px}.links a{font-size:10px}.grid{grid-template-columns:1fr}.hero{min-height:auto;padding:54px 0}h1{font-size:48px}}