:root{
  --bg:#05060a; --bg-2:#0a0d16; --panel:#0e121d; --panel-2:#121826;
  --line:rgba(255,255,255,.08); --line-2:rgba(255,255,255,.14);
  --txt:#e7ecf5; --muted:#9aa6bd; --dim:#6b7690;
  --accent:#5b8cff; --accent-2:#22d3ee; --accent-3:#a855f7;
  --glow:0 0 40px rgba(91,140,255,.35);
  --radius:16px; --maxw:1180px;
  --grad:linear-gradient(120deg,#5b8cff,#22d3ee 55%,#a855f7);
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Inter,Roboto,Helvetica,Arial,sans-serif;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{background:var(--bg);color:var(--txt);line-height:1.6;-webkit-font-smoothing:antialiased;overflow-x:hidden}
a{color:inherit;text-decoration:none}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 24px}
.narrow{max-width:760px;margin:0 auto;padding:0 24px}
.grad-text{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.eyebrow{font-size:12px;letter-spacing:.22em;text-transform:uppercase;color:var(--accent-2);font-weight:600}
.mono{font-family:ui-monospace,"SF Mono",Menlo,Consolas,monospace}

body::before{content:"";position:fixed;inset:0;z-index:-2;
  background:
    radial-gradient(700px 500px at 12% -5%,rgba(91,140,255,.20),transparent 60%),
    radial-gradient(680px 520px at 92% 8%,rgba(168,85,247,.16),transparent 60%),
    radial-gradient(600px 600px at 60% 110%,rgba(34,211,238,.12),transparent 60%),
    var(--bg);}
body::after{content:"";position:fixed;inset:0;z-index:-1;opacity:.5;
  background-image:linear-gradient(var(--line) 1px,transparent 1px),linear-gradient(90deg,var(--line) 1px,transparent 1px);
  background-size:64px 64px;mask-image:radial-gradient(ellipse 80% 60% at 50% 0%,#000,transparent 75%)}

header{position:sticky;top:0;z-index:50;backdrop-filter:blur(14px);
  background:rgba(5,6,10,.6);border-bottom:1px solid var(--line)}
nav{display:flex;align-items:center;justify-content:space-between;height:70px}
.brand{display:flex;align-items:center;gap:10px;font-weight:700;letter-spacing:-.02em;font-size:19px}
.logo{width:30px;height:30px;border-radius:9px;background:var(--grad);position:relative;box-shadow:var(--glow)}
.logo::after{content:"";position:absolute;inset:6px;border-radius:4px;background:var(--bg);}
.navlinks{display:flex;gap:30px;align-items:center;font-size:14.5px;color:var(--muted)}
.navlinks a:hover{color:var(--txt)}
.btn{display:inline-flex;align-items:center;gap:8px;font-weight:600;font-size:14.5px;
  padding:11px 20px;border-radius:11px;border:1px solid var(--line-2);transition:.2s;cursor:pointer}
.btn-primary{background:var(--grad);color:#04060d;border:none;box-shadow:var(--glow)}
.btn-primary:hover{transform:translateY(-2px)}
.btn-ghost:hover{border-color:var(--accent);color:#fff;background:rgba(91,140,255,.08)}
.menu-btn{display:none;background:none;border:1px solid var(--line-2);border-radius:9px;padding:8px 10px;color:var(--txt);cursor:pointer}

.hero{padding:110px 0 90px;position:relative}
.badge{display:inline-flex;align-items:center;gap:8px;padding:7px 14px;border-radius:999px;
  border:1px solid var(--line-2);background:rgba(255,255,255,.03);font-size:13px;color:var(--muted);margin-bottom:26px}
.dot{width:7px;height:7px;border-radius:50%;background:var(--accent-2);box-shadow:0 0 10px var(--accent-2)}
.hero h1{font-size:clamp(38px,6vw,72px);line-height:1.03;letter-spacing:-.035em;font-weight:800;max-width:15ch}
.hero p.lead{margin-top:24px;font-size:clamp(17px,2vw,20px);color:var(--muted);max-width:60ch}
.hero-cta{margin-top:38px;display:flex;gap:14px;flex-wrap:wrap}
.hero-strip{margin-top:56px;display:flex;gap:36px;flex-wrap:wrap;color:var(--dim);font-size:13px;align-items:center}
.hero-strip b{color:var(--txt);font-weight:600}

/* subpage hero */
.subhero{padding:70px 0 40px;position:relative}
.subhero h1{font-size:clamp(32px,5vw,56px);line-height:1.05;letter-spacing:-.03em;font-weight:800;max-width:20ch;margin-top:16px}
.subhero p.lead{margin-top:20px;font-size:clamp(16px,2vw,19px);color:var(--muted);max-width:62ch}
.crumb{font-size:13.5px;color:var(--dim)}
.crumb a:hover{color:var(--txt)}
.crumb span{color:var(--line-2)}

section.blk{padding:96px 0;position:relative}
section.blk.tight{padding:56px 0}
.sec-head{max-width:720px;margin-bottom:52px}
.sec-head h2{font-size:clamp(28px,4vw,44px);letter-spacing:-.03em;line-height:1.08;font-weight:800;margin-top:14px}
.sec-head p{color:var(--muted);margin-top:16px;font-size:17px}

.grid{display:grid;gap:20px}
.g3{grid-template-columns:repeat(3,1fr)}
.g2{grid-template-columns:repeat(2,1fr)}
.g4{grid-template-columns:repeat(4,1fr)}
.card{background:linear-gradient(180deg,var(--panel),var(--bg-2));border:1px solid var(--line);
  border-radius:var(--radius);padding:30px;transition:.25s;position:relative;overflow:hidden;display:block;color:inherit}
.card:hover{border-color:var(--line-2);transform:translateY(-4px);box-shadow:0 20px 50px -20px rgba(0,0,0,.7)}
.card .ic{width:48px;height:48px;border-radius:12px;display:grid;place-items:center;font-size:22px;
  background:rgba(91,140,255,.12);border:1px solid var(--line-2);margin-bottom:20px}
.card h3{font-size:20px;letter-spacing:-.01em;margin-bottom:10px}
.card p{color:var(--muted);font-size:15px}
.card ul{list-style:none;margin-top:16px;display:flex;flex-direction:column;gap:9px}
.card li{color:var(--muted);font-size:14px;display:flex;gap:9px;align-items:flex-start}
.card li::before{content:"▸";color:var(--accent-2);font-size:12px;line-height:1.5}
.card .num{position:absolute;top:22px;right:26px;font-size:13px;color:var(--dim)}
.card .tag{font-size:12px;color:var(--accent-2);font-weight:600;letter-spacing:.08em;text-transform:uppercase}
.card .arrow{margin-top:16px;color:var(--accent);font-size:14px;font-weight:600}

.chips{display:flex;flex-wrap:wrap;gap:12px}
.chip{border:1px solid var(--line);background:var(--panel);border-radius:11px;padding:12px 16px;font-size:14px;color:var(--muted);transition:.2s}
.chip:hover{border-color:var(--accent);color:var(--txt)}
.chip b{color:var(--txt)}

.steps{counter-reset:s;display:grid;gap:18px;grid-template-columns:repeat(4,1fr)}
.step{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:26px;position:relative}
.step::before{counter-increment:s;content:"0" counter(s);font-family:ui-monospace,monospace;
  font-size:13px;color:var(--accent-2);font-weight:700}
.step h4{margin:12px 0 8px;font-size:17px}
.step p{color:var(--muted);font-size:14px}

.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;
  border:1px solid var(--line);border-radius:var(--radius);padding:8px;background:var(--panel)}
.stat{padding:26px;text-align:center}
.stat .n{font-size:clamp(30px,4vw,44px);font-weight:800;letter-spacing:-.03em}
.stat .l{color:var(--muted);font-size:13.5px;margin-top:6px}

.cta{border:1px solid var(--line-2);border-radius:22px;padding:64px 40px;text-align:center;position:relative;overflow:hidden;
  background:linear-gradient(180deg,var(--panel-2),var(--bg-2))}
.cta::before{content:"";position:absolute;inset:0;z-index:0;opacity:.5;
  background:radial-gradient(500px 300px at 50% -20%,rgba(91,140,255,.35),transparent 70%)}
.cta>*{position:relative;z-index:1}
.cta h2{font-size:clamp(28px,4vw,46px);letter-spacing:-.03em;font-weight:800}
.cta p{color:var(--muted);margin:16px auto 30px;max-width:52ch}

/* article / prose */
article.prose{padding:20px 0 40px}
.prose .meta{color:var(--dim);font-size:14px;margin-bottom:10px}
.prose h1{font-size:clamp(30px,4.5vw,48px);letter-spacing:-.03em;line-height:1.08;font-weight:800;margin-bottom:8px}
.prose h2{font-size:clamp(22px,3vw,30px);letter-spacing:-.02em;font-weight:700;margin:44px 0 14px}
.prose h3{font-size:19px;font-weight:700;margin:28px 0 10px}
.prose p{color:#c4cdde;font-size:17px;margin:14px 0}
.prose ul,.prose ol{color:#c4cdde;font-size:17px;margin:14px 0 14px 22px;display:flex;flex-direction:column;gap:8px}
.prose li{padding-left:4px}
.prose strong{color:var(--txt)}
.prose a{color:var(--accent);text-decoration:underline;text-underline-offset:3px}
.prose blockquote{border-left:3px solid var(--accent);padding:6px 0 6px 20px;margin:22px 0;color:var(--muted);font-style:italic}
.prose .callout{background:var(--panel);border:1px solid var(--line);border-radius:14px;padding:22px 24px;margin:26px 0}
.prose .callout p{margin:0;font-size:16px}
.prose hr{border:none;border-top:1px solid var(--line);margin:40px 0}
.lead-in{font-size:19px;color:var(--muted)}

footer{border-top:1px solid var(--line);padding:60px 0 40px;margin-top:20px}
.fgrid{display:grid;grid-template-columns:2fr 1fr 1fr 1.4fr;gap:40px}
footer h5{font-size:13px;text-transform:uppercase;letter-spacing:.14em;color:var(--dim);margin-bottom:16px}
footer a{display:block;color:var(--muted);font-size:14.5px;padding:5px 0}
footer a:hover{color:var(--txt)}
.fbrand p{color:var(--muted);font-size:14.5px;margin-top:14px;max-width:34ch}
.fbot{margin-top:48px;padding-top:24px;border-top:1px solid var(--line);display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;color:var(--dim);font-size:13.5px}

@media(max-width:900px){
  .g3,.g4,.steps,.stats,.fgrid{grid-template-columns:1fr 1fr}
  .navlinks{display:none}
  .menu-btn{display:block}
}
@media(max-width:560px){
  .g2,.g3,.g4,.steps,.stats,.fgrid{grid-template-columns:1fr}
  .hero{padding:70px 0 60px}
}