:root { --sky:#0369a1; --text:#0f172a; --muted:#475569; --bg:#f8fafc; }
*{box-sizing:border-box}
html,body{margin:0;padding:0;font-family:ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,Ubuntu,Cantarell,Noto Sans,Arial}
a{color:var(--sky);text-decoration:none}
.container{max-width:1200px;margin:0 auto;padding:0 16px}
.section{padding:64px 0}
.section-gray{background:#f1f5f9}
.nav{position:sticky;top:0;background:rgba(255,255,255,.8);backdrop-filter:saturate(180%) blur(8px);border-bottom:1px solid #e2e8f0;z-index:40}
.nav-inner{display:flex;align-items:center;justify-content:space-between;height:64px}
.brand{display:flex;align-items:center;gap:12px}
.logo{width:36px;height:36px;background:var(--sky);border-radius:12px}
.btn{display:inline-flex;align-items:center;justify-content:center;padding:12px 18px;border-radius:12px;font-weight:600}
.btn-primary{background:var(--sky);color:#fff}
.btn-outline{border:1px solid #cbd5e1;color:var(--text)}
.full{width:100%;text-align:center}
.grid-2{display:grid;gap:24px;grid-template-columns:1fr}
.grid-3{display:grid;gap:24px;grid-template-columns:1fr}
@media(min-width:768px){.grid-2{grid-template-columns:1fr 1fr}.grid-3{grid-template-columns:1fr 1fr 1fr}}
h1{font-size:clamp(28px,5vw,48px);margin:0 0 8px;line-height:1.15}
h2{font-size:clamp(24px,4vw,32px);margin:0}
h3{font-size:18px;margin:8px 0 0}
.lead{margin:16px 0;color:var(--muted);font-size:18px}
.muted{color:#64748b}
.small{font-size:12px}
.narrow{max-width:720px;margin:8px auto 0}
.center{text-align:center}
.row-between{display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap}
.actions{display:flex;gap:12px;flex-wrap:wrap;margin:16px 0}
.card{border:1px solid #e2e8f0;border-radius:16px;background:#fff;box-shadow:0 1px 2px rgba(0,0,0,.04)}
.img{width:100%;display:block;border-radius:16px}
.p{padding:16px}
.mtop{margin-top:24px}
.overflow{overflow:hidden}
.price{font-size:28px;font-weight:800;margin:8px 0}
.badge{font-size:12px;padding:4px 8px;border-radius:999px;background:#e2e8f0;color:#334155}
.border-accent{border-color:var(--sky)}
.footer{border-top:1px solid #e2e8f0;padding:32px 0}
.accent{color:var(--sky)}
.form input,.form textarea{width:100%;border:1px solid #cbd5e1;border-radius:12px;padding:12px 14px;outline:none;margin-top:8px}
.form input:focus,.form textarea:focus{border-color:var(--sky);box-shadow:0 0 0 2px rgba(3,105,161,.15)}