:root{
  --primary:#0b5cff;--primary-dark:#063bb3;--accent:#ff7a00;
  --dark:#07111f;--dark2:#0d1b2f;--light:#f5f7fb;--text:#172033;
  --muted:#64748b;--white:#fff;--border:#e5eaf2;--success:#12a150;
}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:Inter,Arial,sans-serif;color:var(--text);background:#fff;line-height:1.6}
a{text-decoration:none;color:inherit}.container{width:min(1160px,92%);margin:auto}
header{position:sticky;top:0;z-index:20;background:rgba(7,17,31,.97);color:#fff;border-bottom:1px solid rgba(255,255,255,.1)}
.nav{min-height:74px;display:flex;align-items:center;justify-content:space-between;gap:20px}
.logo{font-size:1.25rem;font-weight:900;letter-spacing:.2px}.logo span{color:var(--accent)}
nav{display:flex;gap:8px;align-items:center;flex-wrap:wrap}nav a{padding:9px 12px;border-radius:9px;color:#dce7f8;font-weight:700;font-size:.93rem}nav a:hover,nav a.active{background:rgba(255,255,255,.09);color:#fff}
.hero{background:linear-gradient(135deg,#07111f 0%,#0b2c64 65%,#0b5cff 100%);color:#fff;padding:86px 0 76px;overflow:hidden}
.hero-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:48px;align-items:center}.eyebrow{color:#8db5ff;text-transform:uppercase;font-size:.8rem;font-weight:900;letter-spacing:1.5px}
h1{font-size:clamp(2.3rem,5vw,4.2rem);line-height:1.04;margin:14px 0 20px}h2{font-size:clamp(1.8rem,3vw,2.6rem);line-height:1.15;margin:0 0 14px}h3{margin:0 0 8px}.lead{font-size:1.1rem;color:#d7e3f5;max-width:680px}
.actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:28px}.btn{display:inline-flex;align-items:center;justify-content:center;padding:13px 18px;border-radius:10px;font-weight:900;border:1px solid transparent;cursor:pointer}.btn-primary{background:var(--accent);color:#fff}.btn-primary:hover{filter:brightness(.94)}.btn-light{background:#fff;color:var(--dark)}.btn-outline{border-color:#b9c8df;color:#fff}
.hero-card{background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.16);border-radius:20px;padding:28px;box-shadow:0 20px 60px rgba(0,0,0,.2)}
.tire{width:190px;height:190px;border-radius:50%;margin:0 auto 22px;background:radial-gradient(circle,#0d1b2f 0 25%,#d9e0e9 26% 31%,#182334 32% 48%,#050a11 49% 66%,#27374d 67% 71%,#05080d 72%);box-shadow:inset 0 0 0 12px #111b28,0 16px 35px rgba(0,0,0,.3)}
section{padding:72px 0}.section-head{max-width:760px;margin-bottom:30px}.muted{color:var(--muted)}
.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.card{background:#fff;border:1px solid var(--border);border-radius:16px;padding:24px;box-shadow:0 8px 28px rgba(15,23,42,.06)}.card:hover{transform:translateY(-2px);box-shadow:0 14px 34px rgba(15,23,42,.09);transition:.2s}
.icon{width:44px;height:44px;border-radius:12px;background:#eaf1ff;color:var(--primary);display:grid;place-items:center;font-weight:900;margin-bottom:15px}
.alt{background:var(--light)}.cta{background:linear-gradient(135deg,#0b5cff,#063bb3);color:#fff;border-radius:24px;padding:42px}.cta p{color:#dbe7ff}
.page-hero{background:var(--dark2);color:#fff;padding:58px 0}.page-hero p{color:#cbd7e8;max-width:760px}
.prose{max-width:900px}.prose h2{margin-top:34px}.prose h3{margin-top:24px}.prose ul{padding-left:22px}
.product-card{display:flex;flex-direction:column}.product-art{height:180px;border-radius:14px;background:linear-gradient(145deg,#eef3f9,#dce5ef);display:grid;place-items:center;margin-bottom:18px}.mini-tire{width:120px;height:120px;border-radius:50%;background:radial-gradient(circle,#1c2737 0 22%,#aab5c2 23% 28%,#101824 29% 52%,#05090f 53% 70%,#253246 71% 76%,#070b10 77%)}
.price{font-size:1.35rem;font-weight:900;margin:10px 0}.tag{display:inline-block;background:#e9f8ef;color:#087a3c;padding:5px 9px;border-radius:999px;font-size:.78rem;font-weight:800}
.form{display:grid;gap:14px}.form input,.form textarea,.form select{width:100%;padding:13px 14px;border:1px solid var(--border);border-radius:10px;font:inherit}.form textarea{min-height:130px;resize:vertical}.form label{font-weight:800;font-size:.9rem}
.contact-grid{display:grid;grid-template-columns:.8fr 1.2fr;gap:28px}
footer{background:#06101d;color:#c8d4e5;padding:42px 0 24px}.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:28px}.footer-title{color:#fff;font-weight:900;margin-bottom:10px}.footer-links{display:grid;gap:7px}.footer-links a:hover{color:#fff}.copyright{border-top:1px solid rgba(255,255,255,.1);margin-top:28px;padding-top:20px;font-size:.88rem}
.whatsapp{position:fixed;right:20px;bottom:20px;z-index:30;background:#18b95a;color:#fff;border-radius:999px;padding:13px 18px;font-weight:900;box-shadow:0 10px 25px rgba(0,0,0,.2)}
.notice{background:#fff6ea;border:1px solid #ffd9ad;color:#74410d;padding:15px 18px;border-radius:12px;margin:24px 0}
@media(max-width:850px){.hero-grid,.contact-grid,.footer-grid{grid-template-columns:1fr}.grid{grid-template-columns:1fr 1fr}nav{display:none}.hero{padding-top:60px}}
@media(max-width:560px){.grid{grid-template-columns:1fr}.nav{min-height:64px}.logo{font-size:1.05rem}.hero-card{display:none}section{padding:54px 0}.cta{padding:28px}}