:root{
  --navy-900:#0a1428;
  --navy-800:#0f1f3d;
  --navy-700:#16294f;
  --blue-500:#3b82f6;
  --blue-400:#60a5fa;
  --blue-100:#dbeafe;
  --ink:#0f172a;
  --muted:#475569;
  --line:#e2e8f0;
  --bg:#ffffff;
  --bg-soft:#f6f8fc;
  --warn-bg:#fff8e1;
  --warn-line:#f5c542;
  --radius:14px;
  --max:1080px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font:16px/1.65 system-ui,-apple-system,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;color:var(--ink);background:var(--bg);-webkit-font-smoothing:antialiased}
a{color:#1d4ed8;text-underline-offset:3px}
a:hover{color:#1e40af}
.skip{position:absolute;left:-999px;top:8px;background:#fff;color:var(--ink);padding:8px 14px;border-radius:8px;z-index:100}
.skip:focus{left:8px}
.wrap{max-width:var(--max);margin:0 auto;padding:0 24px}

/* Header */
.site-header{background:var(--navy-900);color:#fff;position:sticky;top:0;z-index:20;border-bottom:1px solid rgba(255,255,255,.08)}
.site-header .wrap{display:flex;align-items:center;justify-content:space-between;height:68px}
.brand{display:flex;align-items:center;gap:12px;color:#fff;text-decoration:none;font-weight:600;letter-spacing:.01em}
.brand:hover{color:#fff}
.brand small{display:block;font-weight:400;color:#9fb3d6;font-size:12px;letter-spacing:.04em;margin-top:-2px}
.brand .sep{color:#58708f;margin:0 4px;font-weight:400}
nav ul{display:flex;gap:6px;list-style:none;margin:0;padding:0}
nav a{color:#cbd8ee;text-decoration:none;padding:8px 14px;border-radius:8px;font-size:15px;transition:background .15s,color .15s}
nav a:hover,nav a[aria-current="page"]{background:rgba(96,165,250,.14);color:#fff}

/* Hero */
.hero{background:radial-gradient(1200px 500px at 80% -10%,rgba(59,130,246,.28),transparent 60%),var(--navy-900);color:#fff;padding:96px 0 104px}
.pill{display:inline-block;font-size:12px;letter-spacing:.12em;text-transform:uppercase;color:var(--blue-400);border:1px solid rgba(96,165,250,.4);background:rgba(96,165,250,.08);padding:6px 14px;border-radius:999px;margin-bottom:22px}
.hero h1{font-size:clamp(34px,5.2vw,56px);line-height:1.08;margin:0 0 20px;letter-spacing:-.02em;max-width:16ch}
.hero p.lead{font-size:clamp(17px,2vw,20px);color:#c3d1ea;max-width:62ch;margin:0 0 32px}
.hero .actions{display:flex;flex-wrap:wrap;gap:12px}
.btn{display:inline-block;padding:12px 22px;border-radius:10px;font-weight:600;text-decoration:none;font-size:15px;transition:transform .15s,background .15s,border-color .15s}
.btn-primary{background:var(--blue-500);color:#fff}
.btn-primary:hover{background:#2563eb;color:#fff;transform:translateY(-1px)}
.btn-ghost{border:1px solid rgba(255,255,255,.3);color:#fff}
.btn-ghost:hover{border-color:#fff;color:#fff;background:rgba(255,255,255,.06)}

/* Sections */
section{padding:72px 0}
section.soft{background:var(--bg-soft)}
.eyebrow{color:#1d4ed8;font-size:13px;letter-spacing:.12em;text-transform:uppercase;font-weight:600;margin:0 0 10px}
h2{font-size:clamp(26px,3.2vw,34px);line-height:1.2;margin:0 0 16px;letter-spacing:-.01em}
h3{font-size:19px;margin:0 0 8px}
.intro{color:var(--muted);max-width:68ch;margin:0 0 36px}
.grid{display:grid;gap:20px;grid-template-columns:repeat(4,1fr)}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px;transition:transform .18s,box-shadow .18s,border-color .18s}
.card:hover{transform:translateY(-3px);box-shadow:0 14px 30px -14px rgba(15,31,61,.25);border-color:#c7d6ee}
.card p{margin:0;color:var(--muted);font-size:15px}
.icon{width:44px;height:44px;border-radius:11px;background:var(--navy-800);display:grid;place-items:center;margin-bottom:16px}
.icon svg{width:22px;height:22px;stroke:var(--blue-400);fill:none;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.two{display:grid;gap:40px;grid-template-columns:1fr 1fr;align-items:start}
code{background:#eef2f9;border:1px solid var(--line);padding:2px 7px;border-radius:6px;font-size:.9em;word-break:break-all}
.note{border-left:4px solid var(--blue-500);background:#eef4ff;padding:14px 18px;border-radius:0 10px 10px 0;color:#1e3a8a;font-size:15px}
ul.checks{list-style:none;padding:0;margin:0}
ul.checks li{padding-left:28px;position:relative;margin:10px 0;color:var(--muted)}
ul.checks li::before{content:"";position:absolute;left:0;top:8px;width:14px;height:8px;border-left:2px solid var(--blue-500);border-bottom:2px solid var(--blue-500);transform:rotate(-45deg)}
.contact{background:var(--navy-900);color:#fff;text-align:center}
.contact a{color:var(--blue-400);font-size:20px;font-weight:600}
.contact p{color:#c3d1ea}

/* Legal pages */
.page-head{background:var(--navy-900);color:#fff;padding:56px 0 48px}
.page-head h1{margin:0 0 8px;font-size:clamp(30px,4vw,42px);letter-spacing:-.02em}
.page-head p{margin:0;color:#9fb3d6}
.legal{padding:48px 0 80px}
.legal .wrap{max-width:820px}
.legal h2{font-size:23px;margin:40px 0 10px;padding-top:6px}
.legal p,.legal li{color:#334155}
.legal ul{padding-left:22px}
.confirm{background:var(--warn-bg);border:1px dashed var(--warn-line);padding:2px 8px;border-radius:6px;font-weight:600;color:#7a5a00}
.review-banner{background:var(--warn-bg);border:1px solid var(--warn-line);border-radius:12px;padding:16px 20px;margin-bottom:28px;color:#5f4700;font-size:15px}
.toc{background:var(--bg-soft);border:1px solid var(--line);border-radius:12px;padding:16px 22px;margin:0 0 8px}
.toc ol{margin:6px 0 0;padding-left:20px;columns:2;column-gap:32px}
.toc a{text-decoration:none}

/* Footer */
.site-footer{background:var(--navy-900);color:#9fb3d6;padding:44px 0;font-size:14px}
.site-footer .wrap{display:flex;flex-wrap:wrap;gap:24px;justify-content:space-between}
.site-footer a{color:#cbd8ee;text-decoration:none;margin-right:18px}
.site-footer a:hover{color:#fff;text-decoration:underline}
.site-footer p{margin:0 0 6px;max-width:56ch}

:focus-visible{outline:3px solid var(--blue-400);outline-offset:2px;border-radius:4px}

@media (max-width:960px){.grid{grid-template-columns:repeat(2,1fr)}.two{grid-template-columns:1fr}}
@media (max-width:600px){
  .grid{grid-template-columns:1fr}
  .site-header .wrap{height:auto;padding-top:12px;padding-bottom:12px;flex-direction:column;gap:6px}
  .hero{padding:64px 0 72px}
  section{padding:52px 0}
  .toc ol{columns:1}
}
@media (prefers-reduced-motion:reduce){*{transition:none!important;scroll-behavior:auto!important}}