:root{
  --azul:#0A3385;
  --azul2:#285A9A;
  --gris:#F2F2F2;
  --oscuro:#172033;
}
body{font-family:Arial, Helvetica, sans-serif;color:var(--oscuro);}
.navbar{box-shadow:0 2px 12px rgba(0,0,0,.08)}
.logo-text{font-weight:800;color:var(--azul);letter-spacing:.5px}
.hero{background:linear-gradient(120deg, rgba(10,51,133,.95), rgba(40,90,154,.88)), url('../img/hero-camiones.svg');background-size:cover;background-position:center;color:#fff;padding:90px 0 70px;}
.hero h1{font-size:clamp(2rem,4vw,4rem);font-weight:800;line-height:1.05}
.hero .lead{font-size:1.2rem;max-width:680px}
.search-card{background:#fff;border-radius:20px;padding:22px;box-shadow:0 18px 45px rgba(0,0,0,.18);margin-top:32px;color:var(--oscuro)}
.btn-primary{background:var(--azul);border-color:var(--azul)}
.btn-primary:hover{background:var(--azul2);border-color:var(--azul2)}
.section-title{font-weight:800;color:var(--azul)}
.feature-card,.cat-card,.product-card{border:0;border-radius:18px;box-shadow:0 10px 28px rgba(20,40,80,.10);height:100%;transition:.2s}
.cat-card:hover,.product-card:hover{transform:translateY(-4px)}
.icon-circle{width:52px;height:52px;border-radius:50%;display:flex;align-items:center;justify-content:center;background:var(--gris);color:var(--azul);font-size:24px;font-weight:700}
.product-img{height:180px;object-fit:contain;background:#f8f9fa;border-radius:14px;padding:16px}
.brand-strip{background:#f8f9fa;border-top:1px solid #e8e8e8;border-bottom:1px solid #e8e8e8}
.brand-badge{font-weight:700;color:#5b6475;background:#fff;border-radius:999px;padding:10px 18px;margin:6px;display:inline-block;box-shadow:0 2px 10px rgba(0,0,0,.05)}
.cta{background:linear-gradient(120deg,var(--azul),var(--azul2));color:#fff;border-radius:26px;padding:36px}
.footer{background:#101827;color:#d7dce8;padding:35px 0}.footer a{color:#fff;text-decoration:none}
.whatsapp-float{position:fixed;right:18px;bottom:18px;z-index:99;background:#25D366;color:#fff;border-radius:999px;padding:14px 18px;text-decoration:none;font-weight:700;box-shadow:0 8px 25px rgba(0,0,0,.25)}
@media(max-width:768px){.hero{padding:58px 0}.search-card{padding:16px}.whatsapp-float{left:16px;right:16px;text-align:center}}