/* Base */
*{box-sizing:border-box} :root{--bg:#0b0b0c;--card:#111114;--muted:#a8a8b3;--text:#f3f3f5;--acc:#c1f4ff;--acc2:#8ef3c5;--line:#1e1e22}
html,body{margin:0;padding:0} body{font-family:'Inter',system-ui,-apple-system,Segoe UI,Roboto,Helvetica,Arial,sans-serif;background:radial-gradient(1200px 800px at 80% -10%,#13131a 0%,var(--bg) 60%);color:var(--text);line-height:1.6}
a{color:var(--text);text-decoration:none} .container{width:min(1120px,92%);margin:0 auto}

/* Header */
.site-header{position:sticky;top:0;backdrop-filter:blur(10px);background:rgba(11,11,12,.6);border-bottom:1px solid var(--line);z-index:20}
.nav{display:flex;align-items:center;justify-content:space-between;padding:14px 0}
.brand{display:flex;align-items:center;gap:10px;font-weight:700;letter-spacing:.08em}
nav a{margin-left:18px;font-weight:500;opacity:.9} nav a:hover{opacity:1}
.btn{padding:10px 14px;border:1px solid var(--line);border-radius:10px}
.btn.primary{background:linear-gradient(135deg,var(--acc),var(--acc2));color:#0b0b0c;font-weight:700;border:0}
.btn.ghost{background:transparent} .btn.block{display:block;text-align:center;margin:8px 0}

/* Hero */
.hero{padding:72px 0 24px;text-align:center}
.hero h1{font-size:clamp(34px,4.5vw,60px);line-height:1.1;margin:0}
.underline{background:linear-gradient(120deg,rgba(193,244,255,.35),rgba(142,243,197,.35));border-radius:8px;padding:0 6px}
.lead{color:var(--muted);font-size:clamp(16px,2.2vw,20px);max-width:780px;margin:16px auto 0}
.cta-row{margin-top:22px;display:flex;gap:12px;justify-content:center;flex-wrap:wrap}
.hero-badges{margin-top:26px;display:flex;gap:10px;justify-content:center;flex-wrap:wrap}
.hero-badges span{border:1px solid var(--line);padding:8px 12px;border-radius:999px;color:var(--muted);font-size:14px}

/* Cards */
.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;padding:36px 0}
.card{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:20px}
.card h3{margin:0 0 6px} .card p{color:var(--muted);margin:0}

/* Band (security) */
.band{background:linear-gradient(180deg,rgba(193,244,255,.08),rgba(0,0,0,0));border-top:1px solid var(--line);border-bottom:1px solid var(--line);margin:24px 0}
.band-inner{display:grid;grid-template-columns:1.2fr .8fr;gap:24px;align-items:center;padding:34px 0}
.band-copy p{color:var(--muted)} .checklist{padding-left:18px} .checklist li{margin:6px 0}
.band-box{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:20px}
.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:10px}
.stat{display:block;font-weight:800;font-size:24px}

/* Timeline */
.timeline{padding:34px 0} .timeline h2{margin-top:0}
.timeline ol{counter-reset:step;list-style:none;padding-left:0}
.timeline li{position:relative;margin:12px 0;padding-left:32px}
.timeline li::before{counter-increment:step;content:counter(step);position:absolute;left:0;top:0;background:var(--card);border:1px solid var(--line);width:24px;height:24px;border-radius:50%;display:grid;place-items:center;font-size:12px;color:var(--muted)}

/* CTA final */
.cta-final{text-align:center;padding:18px 0 56px} .cta-final p{color:var(--muted)}

/* Footer */
.site-footer{border-top:1px solid var(--line);padding:26px 0;background:rgba(0,0,0,.3)}
.footer-grid{display:grid;grid-template-columns:1.3fr 1fr 1fr;gap:16px}
.f-col h4{margin:4px 0 8px} .f-col ul{list-style:none;padding-left:0;margin:0} .f-col li{margin:6px 0}
.muted{color:var(--muted)} .copyright{opacity:.7}

/* /links */
.links-wrap{min-height:100vh;display:grid;place-items:center;padding:28px}
.links-card{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:24px;max-width:520px;width:100%;text-align:center}
.links-card h1{margin:10px 0} .small-back{display:inline-block;margin-top:12px;color:var(--muted)}

/* Responsive */
@media (max-width:900px){
  .grid3{grid-template-columns:1fr}
  .band-inner{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
}