/* ADVANCED — Cool / High-Contrast */
*{box-sizing:border-box}
body{margin:0;font-family:system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif;color:#0b1220;line-height:1.65;background:#ffffff}
header.hero{background:linear-gradient(135deg,#0b5bd3,#3730a3);color:#ffffff;padding:64px 24px;text-align:center}
header.hero.slim{padding:40px 24px}
header.hero .logo{font-weight:900;font-size:28px;letter-spacing:.3px}
header.hero .sub{max-width:900px;margin:8px auto 0;opacity:.98}
.container{max-width:1100px;margin:0 auto;padding:24px}
.grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}
@media(max-width:900px){.grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:640px){.grid{grid-template-columns:1fr}header.hero{padding:48px 16px}}
.card{background:#ffffff;border-radius:16px;padding:20px;box-shadow:0 16px 44px rgba(2,6,23,.08);border:1px solid #cbd5e1}
.badge{display:inline-block;font-size:12px;font-weight:800;padding:6px 10px;background:#e2e8f0;border-radius:9999px;color:#0b1220}
.btn{display:inline-block;padding:12px 18px;border-radius:9999px;background:#0b5bd3;color:#ffffff;text-decoration:none;font-weight:900}
.btn.secondary{background:#3730a3}
img.resp{max-width:100%;height:auto;border-radius:12px;border:1px solid #cbd5e1}
hr{border:none;border-top:1px solid #e2e8f0;margin:24px 0}
.price{font-size:32px;font-weight:900;color:#0b1220}
footer.site{text-align:center;padding:32px 16px;color:#334155}
input,textarea{width:100%;padding:12px;border-radius:12px;border:1px solid #cbd5e1;background:#ffffff;color:#0b1220}
a{color:#0b5bd3}