:root{--bg:#f8fafc;--card:#fff;--ink:#0f172a;--muted:#64748b;--line:#e2e8f0;--brand:#2563eb;--brand-ink:#fff;--accent:#eff6ff}
*{box-sizing:border-box}
body{margin:0;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;background:var(--bg);color:var(--ink);line-height:1.6}
.wrap{max-width:880px;margin:0 auto;padding:0 20px}
header{padding:22px 0;display:flex;align-items:center;justify-content:space-between}
.logo{font-weight:800;letter-spacing:-.02em;color:var(--ink);text-decoration:none;font-size:18px}
.nav a{color:var(--muted);text-decoration:none;font-size:14px;font-weight:600;margin-inline-start:18px}
.nav a:hover{color:var(--ink)}
.hero{padding:52px 0 30px;text-align:center}
.badge{display:inline-block;background:var(--accent);color:var(--brand);font-weight:700;font-size:13px;padding:6px 14px;border-radius:999px;margin-bottom:18px}
h1{font-size:clamp(30px,5vw,44px);line-height:1.12;letter-spacing:-.02em;margin:.15em 0}
.sub{font-size:19px;color:var(--muted);max-width:640px;margin:14px auto 26px}
.cta{display:flex;gap:10px;flex-wrap:wrap;justify-content:center}
.btn{display:inline-block;padding:13px 22px;border-radius:12px;font-weight:700;text-decoration:none;font-size:15px}
.btn-primary{background:var(--brand);color:var(--brand-ink)}
.btn-secondary{background:var(--card);color:var(--ink);border:1px solid var(--line)}
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin:42px 0}
.step{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:20px}
.step .n{width:30px;height:30px;border-radius:8px;background:var(--accent);color:var(--brand);font-weight:800;display:flex;align-items:center;justify-content:center;margin-bottom:12px}
.step h3{margin:.2em 0;font-size:16px}
.step p{margin:.2em 0;color:var(--muted);font-size:14px}
.section{background:var(--card);border:1px solid var(--line);border-radius:20px;padding:28px;margin:30px 0}
.section h2{margin-top:0;font-size:22px;letter-spacing:-.01em}
ul.checks{list-style:none;padding:0;margin:.5em 0}
ul.checks li{padding:6px 0 6px 28px;position:relative}
ul.checks li:before{content:"✓";position:absolute;inset-inline-start:0;color:var(--brand);font-weight:800}
.cards{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin:36px 0}
.cardlink{display:block;background:var(--card);border:1px solid var(--line);border-radius:16px;padding:22px;text-decoration:none;color:inherit}
.cardlink:hover{border-color:var(--brand)}
.cardlink .k{font-weight:800;font-size:17px;margin-bottom:4px}
.cardlink .d{color:var(--muted);font-size:14px}
footer{color:var(--muted);font-size:13px;padding:38px 0;text-align:center;border-top:1px solid var(--line);margin-top:38px}
footer a{color:var(--muted)}
@media(max-width:640px){.steps,.cards{grid-template-columns:1fr}}
@media(prefers-color-scheme:dark){:root{--bg:#0b1120;--card:#0f172a;--ink:#e2e8f0;--muted:#94a3b8;--line:#1e293b;--accent:#172033;--brand:#3b82f6}}