:root{--brand:#2563eb;--brand-2:#38bdf8;--ink:#1f2937;--muted:#6b7280;--bg:#ffffff;--bg-soft:#f8fafc;--accent:#e6f0ff}
*{box-sizing:border-box}
html,body{margin:0;padding:0;background:var(--bg);color:var(--ink);font-family:Inter,system-ui,Segoe UI,Roboto,Helvetica,Arial,sans-serif;line-height:1.75}
a{color:var(--brand);text-decoration:none}a:hover{text-decoration:underline}
.container{max-width:1120px;margin:0 auto;padding:0 1rem}
header{position:sticky;top:0;background:#fff;border-bottom:1px solid #e5e7eb;z-index:10}
.topbar{display:flex;align-items:center;gap:1rem;padding:.8rem 0}.topbar img{height:40px}
nav ul{list-style:none;margin:0;padding:0;display:flex;gap:.6rem;flex-wrap:wrap}
nav a{display:inline-block;padding:.55rem .75rem;border-radius:.65rem}
nav a.active,nav a:focus{background:var(--accent)}
.hero{background:linear-gradient(92deg,var(--accent),#fff);padding:2.2rem 0;border-bottom:1px solid #e5e7eb}
.hero h1{font-size:2rem;margin:.2rem 0 0 0}.hero p{margin:.6rem 0 0 0;color:var(--muted)}
.grid{display:grid;grid-template-columns:repeat(12,1fr);gap:1rem}
.card{background:#fff;border:1px solid #e5e7eb;border-radius:1rem;padding:1rem;box-shadow:0 2px 6px rgba(17,24,39,.04)}
.card h3{margin-top:.3rem}
main{padding:1.5rem 0}
aside{background:var(--bg-soft);border:1px solid #e5e7eb;border-radius:1rem;padding:1rem}
.cta{display:inline-block;background:linear-gradient(92deg,var(--brand),var(--brand-2));color:#fff;padding:.75rem 1rem;border-radius:.8rem;font-weight:600}
.cta:hover{text-decoration:none;opacity:.96}
.kicker{color:var(--brand);font-weight:700;letter-spacing:.06em;text-transform:uppercase;font-size:.8rem}
footer{margin-top:2rem;border-top:1px solid #e5e7eb;background:#fff}
footer .cols{display:grid;grid-template-columns:repeat(4,1fr);gap:1rem;padding:2rem 0}
footer p,footer li{color:var(--muted)}
.badge{display:inline-block;background:#eff6ff;color:#1d4ed8;padding:.2rem .55rem;border-radius:.5rem;font-size:.75rem;margin:.2rem .25rem .2rem 0}
.breadcrumbs{font-size:.9rem;color:var(--muted);margin-bottom:.75rem}
ul.check{list-style:none;padding-left:0}ul.check li{padding-left:1.4rem;position:relative;margin:.35rem 0}ul.check li::before{content:"✓";position:absolute;left:0;color:#10b981;font-weight:700}
blockquote{margin:1rem 0;padding:.8rem 1rem;border-left:4px solid var(--brand);background:var(--bg-soft)}
table{border-collapse:collapse;width:100%}th,td{border:1px solid #e5e7eb;padding:.6rem;text-align:left}thead th{background:#f3f4f6}
input,textarea,select{width:100%;padding:.7rem;border:1px solid #d1d5db;border-radius:.6rem}label{font-weight:600}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:1rem}
@media (max-width:860px){.grid{grid-template-columns:1fr}footer .cols{grid-template-columns:1fr 1fr}.form-row{grid-template-columns:1fr}}