:root{
  --bg: #fafafa;
  --text: #111111;
  --muted:#6b7280;
  --border:#e5e7eb;
  --card:#ffffff;
  --brand:#111111;
}
*{box-sizing:border-box}
html,body{padding:0;margin:0}
body{
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, Noto Sans, "Apple Color Emoji","Segoe UI Emoji";
  background:var(--bg);
  color:var(--text);
  line-height:1.6;
}
.container{max-width:1120px;margin:0 auto;padding:0 20px}
.header{
  position:sticky;top:0;z-index:40;
  backdrop-filter:saturate(180%) blur(8px);
  background:rgba(255,255,255,.75);
  border-bottom:1px solid var(--border);
}
.header-inner{height:64px;display:flex;align-items:center;justify-content:space-between}
.brand{display:flex;align-items:center;gap:12px}
.brand-mark{width:36px;height:36px;border-radius:14px;background:var(--brand);display:grid;place-items:center;color:#fff;font-weight:800}
nav a{color:#111;text-decoration:none;opacity:.85}
nav a:hover{opacity:1}
.btn{display:inline-flex;align-items:center;gap:8px;border-radius:14px;padding:10px 16px;font-weight:600;text-decoration:none;border:1px solid transparent}
.btn-primary{background:var(--brand);color:#fff}
.btn-primary:hover{filter:brightness(0.95)}
.btn-outline{border-color:var(--border);color:#111;background:#fff}
.section{padding:64px 0;border-top:1px solid var(--border)}
.hero{position:relative;overflow:hidden;padding-top:80px;padding-bottom:48px}
.hero .badges{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}
@media(min-width:640px){.hero .badges{grid-template-columns:repeat(4,minmax(0,1fr))}}
.badge{background:#fff;border:1px solid var(--border);border-radius:16px;padding:16px;color:#555}
.h1{font-size:clamp(2.25rem,4vw,3rem);line-height:1.2;margin:0;font-weight:800;letter-spacing:-0.02em}
.lead{font-size:1.125rem;color:#374151;max-width:720px}
.grid{display:grid;gap:24px}
.cards{grid-template-columns:1fr}
@media(min-width:640px){.cards{grid-template-columns:repeat(2,1fr)}}
@media(min-width:1024px){.cards{grid-template-columns:repeat(3,1fr)}}
.card{background:var(--card);border:1px solid var(--border);border-radius:18px;padding:24px;box-shadow:0 1px 2px rgba(0,0,0,.04)}
.card .icon{width:40px;height:40px;border-radius:12px;background:#111;color:#fff;display:grid;place-items:center}
.card h3{margin:12px 0 6px 0}
.muted{color:var(--muted)}
.kv{display:grid;grid-template-columns:1fr}
@media(min-width:900px){.kv{grid-template-columns:3fr 2fr;gap:40px}}
.list{padding-left:18px}
.footer{background:#fff;border-top:1px solid var(--border);padding:40px 0;color:#6b7280}
.inline-links a{color:#111;text-decoration:none}
.inline-links a:hover{text-decoration:underline}
form label{display:block;font-weight:600;font-size:.9rem}
input,textarea{width:100%;padding:10px 12px;border:1px solid var(--border);border-radius:12px;outline:none}
input:focus,textarea:focus{box-shadow:0 0 0 2px #11111120;border-color:#111}
.form-grid{display:grid;gap:16px}
@media(min-width:640px){.form-grid{grid-template-columns:1fr 1fr}}
small, .small{font-size:.9rem;color:#6b7280}
.section.white{background:#fff}
.header nav{display:none}
@media(min-width:768px){.header nav{display:flex;gap:24px}}