/* Base */
*{box-sizing:border-box}
html,body{margin:0;padding:0;background:#0a1220;color:#e9f1f7;font-family:Inter,system-ui,-apple-system,Segoe UI,Roboto,Arial;scroll-behavior:smooth}
:root{--navy:#0a1220;--navy-2:#0f2031;--border:#16354d;--aqua:#74e3ff;--muted:#b8cfe0}

/* Sticky nav with safe-area + wrap */
.nav{position:sticky;top:0;z-index:20;display:flex;flex-wrap:wrap;gap:10px;align-items:center;justify-content:space-between;padding:calc(12px + env(safe-area-inset-top)) 16px 12px;background:rgba(10,18,32,.9);backdrop-filter:saturate(140%) blur(6px);border-bottom:1px solid rgba(255,255,255,.06)}
.nav .brand{font-weight:800;letter-spacing:.06em;color:var(--aqua);font-size:20px}
.nav .links a{margin-left:14px;color:#cfe7f3;font-size:16px;line-height:1}
.nav .links .cta{padding:8px 12px;border:1px solid #14324a;border-radius:10px}

/* Ensure anchor targets aren't hidden behind sticky header */
section{scroll-margin-top:90px}

/* Hero */
.hero{max-width:980px;margin:70px auto 28px;padding:0 18px;text-align:center}
.hero h1{font-size:48px;line-height:1.05;margin:0;background:linear-gradient(180deg,#8ce9ff,#35d0ff);-webkit-background-clip:text;color:transparent;word-break:break-word}
.hero .sub{color:var(--muted);margin-top:12px;font-size:18px}
.cta-row{margin-top:22px;display:inline-flex;gap:14px;flex-wrap:wrap;justify-content:center}
.btn{display:inline-block;border-radius:12px;padding:12px 18px;font-weight:600;text-align:center}
.btn.primary{background:#13283a;border:1px solid #1b3e57;color:#e9f1f7}
.btn.ghost{border:1px solid #1b3e57;color:var(--aqua);background:transparent}

/* How it works */
.how{display:grid;grid-template-columns:1fr 1fr;gap:28px;max-width:1100px;margin:40px auto;padding:0 18px;align-items:center}
.how .col h2{margin:0 0 8px 0;font-size:28px}
.how .col p{color:#cfe0ee;margin:0 0 8px 0}
.how .col ul{padding-left:18px;margin:0;color:#cfe0ee}
.how .img img{width:100%;height:auto;border-radius:14px;border:1px solid var(--border);box-shadow:0 10px 30px rgba(0,0,0,.35);display:block}
.how .img figcaption{margin-top:8px;color:#97bbcf;font-size:14px}

/* Stats */
.stats{display:flex;justify-content:center;gap:18px;margin:10px auto 40px;flex-wrap:wrap;padding:0 18px}
.stats .stat{background:var(--navy-2);border:1px solid var(--border);border-radius:12px;padding:14px 16px;color:#cfe0ee;min-width:200px;text-align:center}
.stats .stat span{display:block;font-size:26px;color:var(--aqua);font-weight:700}

/* Docs */
.docs{max-width:900px;margin:0 auto 60px;padding:0 18px;text-align:center}
.docs pre{background:var(--navy-2);border:1px solid var(--border);border-radius:12px;color:#a8c3d6;text-align:left;padding:14px;overflow:auto}

/* Footer */
.footer{display:flex;flex-wrap:wrap;row-gap:8px;justify-content:space-between;align-items:center;padding:18px;border-top:1px solid var(--border);color:#9bb6c8}
.footer .dim{color:#6f8ea3;font-size:14px}

/* MOBILE TUNING */
@media (max-width:880px){
  .hero{margin:60px auto 24px}
  .hero h1{font-size:40px}
  .how{grid-template-columns:1fr}
  .stats .stat{min-width:45%;flex:1}
}
@media (max-width:540px){
  .nav .links a{margin-left:10px;font-size:15px}
  .hero h1{font-size:34px}
  .btn{width:100%}
  .stats .stat{min-width:100%}
}
@media (prefers-reduced-motion:reduce){
  *{scroll-behavior:auto}
}