:root{
  --bg:#08080c; --bg2:#0d0d13; --panel:rgba(255,255,255,.025);
  --ink:#ededf2; --muted:#9b9bab; --faint:#6a6a78;
  --border:rgba(255,255,255,.08); --border2:rgba(255,255,255,.14);
  --a1:#7c8bff; --a2:#22d3ee; --a3:#c084fc;
  --radius:20px; --radius-sm:13px;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{background:var(--bg);color:var(--ink);font-family:'Inter',system-ui,sans-serif;line-height:1.65;overflow-x:hidden;-webkit-font-smoothing:antialiased}
h1,h2,h3{font-family:'Space Grotesk',sans-serif;letter-spacing:-.02em;line-height:1.05}
a{color:inherit;text-decoration:none}
code{font-family:ui-monospace,monospace;background:rgba(255,255,255,.06);border:1px solid var(--border);padding:.12em .45em;border-radius:6px;font-size:.9em;color:var(--a2)}
.grad{background:linear-gradient(110deg,var(--a1),var(--a3) 55%,var(--a2));-webkit-background-clip:text;background-clip:text;color:transparent}

/* film grain / texture */
.grain{position:fixed;inset:0;z-index:1;pointer-events:none;opacity:.035;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='120'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='2'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E")}

.progress{position:fixed;top:0;left:0;height:2px;width:0;z-index:100;background:linear-gradient(90deg,var(--a1),var(--a3),var(--a2))}

/* NAV */
.nav{position:fixed;top:0;left:0;right:0;z-index:90;display:flex;align-items:center;gap:20px;
  padding:16px clamp(20px,5vw,56px);transition:background .3s,border-color .3s,backdrop-filter .3s;border-bottom:1px solid transparent}
.nav.scrolled{background:rgba(8,8,12,.7);backdrop-filter:blur(16px) saturate(160%);border-bottom-color:var(--border)}
.brand{font-family:'Space Grotesk';font-weight:700;font-size:17px;display:flex;align-items:center;gap:9px}
.brand-dot{width:9px;height:9px;border-radius:50%;background:linear-gradient(135deg,var(--a1),var(--a2));box-shadow:0 0 14px var(--a1)}
.nav-links{margin-left:auto;display:flex;gap:30px}
.nav-links a{color:var(--muted);font-size:14px;font-weight:500;transition:color .2s}
.nav-links a:hover{color:var(--ink)}

/* BUTTONS */
.btn{display:inline-flex;align-items:center;justify-content:center;font-weight:600;font-size:15px;padding:12px 24px;border-radius:12px;transition:transform .25s cubic-bezier(.2,.7,.2,1),box-shadow .25s,background .25s;will-change:transform}
.btn-sm{padding:9px 18px;font-size:14px;border:1px solid var(--border2)}
.btn-sm:hover{background:rgba(255,255,255,.06)}
.btn-primary{position:relative;color:#0a0a0f;background:linear-gradient(110deg,#aab4ff,#d7c0ff 50%,#9af0ff);box-shadow:0 8px 30px -8px var(--a1)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 14px 44px -10px var(--a1)}
.btn-ghost{color:var(--ink);border:1px solid var(--border2)}
.btn-ghost:hover{background:rgba(255,255,255,.05);transform:translateY(-2px)}
.btn.lg{padding:16px 34px;font-size:16px}

/* HERO */
.hero{position:relative;min-height:100vh;display:flex;flex-direction:column;justify-content:center;
  padding:120px clamp(20px,5vw,56px) 60px;overflow:hidden}
.aurora{position:absolute;border-radius:50%;filter:blur(90px);opacity:.5;pointer-events:none;z-index:0}
.a1{width:620px;height:620px;top:-180px;right:-120px;background:radial-gradient(circle,#5b6cff,transparent 65%)}
.a2{width:540px;height:540px;bottom:-220px;left:-160px;background:radial-gradient(circle,#9a4dff,transparent 65%);opacity:.4}
.grid-plane{position:absolute;inset:0;z-index:0;opacity:.5;
  background-image:linear-gradient(var(--border) 1px,transparent 1px),linear-gradient(90deg,var(--border) 1px,transparent 1px);
  background-size:64px 64px;mask-image:radial-gradient(ellipse 80% 60% at 50% 40%,#000 30%,transparent 75%)}

.hero-stage{position:relative;z-index:5;max-width:1180px;margin:0 auto;width:100%;
  display:grid;grid-template-columns:1.05fr .95fr;gap:50px;align-items:center;
  transform-style:preserve-3d;perspective:1200px}
.hero-copy{transform-style:preserve-3d}
.pill{display:inline-block;font-size:13px;color:var(--muted);background:var(--panel);border:1px solid var(--border);padding:7px 15px;border-radius:30px;margin-bottom:24px}
.hero h1{font-size:clamp(44px,6.5vw,82px);font-weight:700}
.lede{margin:22px 0 32px;max-width:480px;color:var(--muted);font-size:clamp(16px,1.6vw,19px)}
.hero-btns{display:flex;gap:14px;flex-wrap:wrap}

/* glass card 3D */
.hero-card{transform-style:preserve-3d}
.card-glass,.scene,.feat,.cmd{transform-style:preserve-3d}
.card-glass{background:linear-gradient(160deg,rgba(255,255,255,.06),rgba(255,255,255,.02));
  border:1px solid var(--border2);border-radius:var(--radius);padding:26px;
  box-shadow:0 40px 80px -30px rgba(0,0,0,.8),inset 0 1px 0 rgba(255,255,255,.08);backdrop-filter:blur(10px)}
.cg-top{display:flex;align-items:center;gap:11px;margin-bottom:18px}
.cg-avatar{width:40px;height:40px;border-radius:12px;display:flex;align-items:center;justify-content:center;font-family:'Space Grotesk';font-weight:700;color:#0a0a0f;background:linear-gradient(135deg,var(--a1),var(--a2))}
.cg-top b{font-size:15px}
.cg-tag{margin-left:7px;font-size:10px;font-weight:600;letter-spacing:.5px;color:#0a0a0f;background:var(--a1);padding:2px 6px;border-radius:5px;vertical-align:middle}
.cg-title{font-family:'Space Grotesk';font-weight:600;font-size:18px;margin-bottom:14px}
.cg-rule{height:1px;background:var(--border);margin-bottom:14px}
.cg-row b{font-size:16px}
.cg-sub{color:var(--muted);font-size:14px}
.cg-bar{margin-top:16px;height:6px;border-radius:6px;background:rgba(255,255,255,.08);overflow:hidden}
.cg-bar span{display:block;width:46%;height:100%;background:linear-gradient(90deg,var(--a1),var(--a2))}

.scroll-cue{position:absolute;bottom:26px;left:50%;transform:translateX(-50%);width:24px;height:38px;border:1px solid var(--border2);border-radius:14px;z-index:5}
.scroll-cue span{position:absolute;top:7px;left:50%;width:3px;height:7px;border-radius:3px;background:var(--muted);transform:translateX(-50%);animation:cue 1.8s infinite}
@keyframes cue{0%{opacity:0;top:7px}40%{opacity:1}100%{opacity:0;top:20px}}

/* STATS */
.stats{position:relative;z-index:5;display:flex;align-items:center;justify-content:center;gap:clamp(20px,5vw,64px);flex-wrap:wrap;
  max-width:1000px;margin:0 auto;padding:30px 20px 70px}
.stat{text-align:center}
.stat .num{display:block;font-family:'Space Grotesk';font-weight:700;font-size:clamp(34px,4.5vw,52px)}
.stat span:last-child{color:var(--muted);font-size:14px}
.divider{width:1px;height:36px;background:var(--border)}

/* SECTIONS */
.sec-head{text-align:center;max-width:680px;margin:0 auto 56px}
.kicker{display:inline-block;font-size:13px;font-weight:600;letter-spacing:.08em;text-transform:uppercase;color:var(--a1);margin-bottom:14px}
.sec-head h2{font-size:clamp(28px,4vw,46px);font-weight:700}
section{padding:clamp(70px,9vw,120px) clamp(20px,5vw,56px)}

.features{position:relative}
.grid{max-width:1140px;margin:0 auto;display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:18px;perspective:1000px}
.feat{background:var(--panel);border:1px solid var(--border);border-radius:var(--radius);padding:30px;transition:border-color .3s,background .3s,transform .15s;will-change:transform}
.feat:hover{border-color:var(--border2);background:rgba(255,255,255,.045)}
.fi{font-size:30px;margin-bottom:16px;filter:saturate(1.1)}
.feat h3{font-size:19px;margin-bottom:9px;font-family:'Space Grotesk';font-weight:600}
.feat p{color:var(--muted);font-size:15px}

/* STORY */
.story{max-width:1140px;margin:0 auto;display:grid;grid-template-columns:1fr 1fr;gap:60px}
.story-sticky{position:sticky;top:0;height:100vh;display:flex;align-items:center;justify-content:center;perspective:1200px}
.scene{position:relative;width:min(340px,86%);aspect-ratio:4/5;
  background:linear-gradient(160deg,rgba(255,255,255,.06),rgba(255,255,255,.015));
  border:1px solid var(--border2);border-radius:24px;box-shadow:0 50px 100px -40px rgba(0,0,0,.85),inset 0 1px 0 rgba(255,255,255,.08);backdrop-filter:blur(10px)}
.frame{position:absolute;inset:0;padding:30px;display:flex;flex-direction:column;justify-content:center;gap:11px;opacity:0;transform:translateY(16px);transition:opacity .55s,transform .55s}
.frame.active{opacity:1;transform:none}
.fr-h{display:flex;align-items:center;gap:8px;color:var(--muted);font-size:13px;font-weight:600}
.d{width:9px;height:9px;border-radius:50%}.d.g{background:#34d399}.d.r{background:#f87171}.d.y{background:#fbbf24}
.fr-t{font-family:'Space Grotesk';font-weight:600;font-size:19px}
.fr-r{height:1px;background:var(--border)}
.fr-s{color:var(--muted);font-size:13px}
.fr-btns{display:flex;gap:8px;margin-top:6px;flex-wrap:wrap}
.mb{background:rgba(255,255,255,.07);border:1px solid var(--border);border-radius:9px;padding:6px 12px;font-size:13px}
.mb.green{background:rgba(52,211,153,.16);border-color:rgba(52,211,153,.35)}
.mb.red{background:rgba(248,113,113,.16);border-color:rgba(248,113,113,.35)}
.story-steps{display:flex;flex-direction:column}
.step{min-height:88vh;display:flex;flex-direction:column;justify-content:center;opacity:.3;transition:opacity .4s}
.step.active{opacity:1}
.step h2{font-size:clamp(26px,3.4vw,40px);font-weight:700;margin-bottom:14px}
.step p{color:var(--muted);font-size:17px;max-width:44ch}

/* COMMANDS */
.commands{background:var(--bg2);border-block:1px solid var(--border)}
.cmd-grid{max-width:1000px;margin:0 auto;display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:14px;perspective:1000px}
.cmd{display:flex;flex-direction:column;gap:7px;background:var(--panel);border:1px solid var(--border);border-radius:var(--radius-sm);padding:20px 22px;transition:border-color .25s,transform .15s;will-change:transform}
.cmd:hover{border-color:var(--border2)}
.cmd span{color:var(--muted);font-size:14px}

/* CTA */
.cta{position:relative;text-align:center;overflow:hidden}
.a3{width:700px;height:500px;left:50%;top:50%;transform:translate(-50%,-50%);background:radial-gradient(circle,#6b5bff,transparent 60%);opacity:.35}
.cta-inner{position:relative;z-index:2;max-width:620px;margin:0 auto}
.cta h2{font-size:clamp(30px,5vw,54px);font-weight:700;margin-bottom:16px}
.cta p{color:var(--muted);font-size:18px;margin-bottom:32px}

/* FOOTER */
.footer{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:12px;
  padding:30px clamp(20px,5vw,56px);border-top:1px solid var(--border);color:var(--faint);font-size:14px}

/* REVEAL */
.reveal{opacity:0;transform:translateY(26px);transition:opacity .8s cubic-bezier(.2,.7,.2,1),transform .8s cubic-bezier(.2,.7,.2,1)}
.reveal.in{opacity:1;transform:none}

@media(max-width:860px){
  .hero-stage{grid-template-columns:1fr;gap:40px}
  .hero-card{max-width:380px}
  .nav-links{display:none}
  .story{grid-template-columns:1fr}
  .story-sticky{position:relative;height:auto;margin-bottom:10px}
  .step{min-height:auto;padding:36px 0;opacity:1}
}
@media(prefers-reduced-motion:reduce){*{animation:none!important;transition-duration:.01ms!important}}