:root {
    --primary: #0f172a;
    --accent: #2563eb;
    --bg: #f8fafc;
    --white: #ffffff;
}

* { margin: 0; padding: 0; box-sizing: border-box; font-family: 'Inter', sans-serif; }
body { background: var(--bg); color: var(--primary); }
.container { max-width: 1200px; margin: 0 auto; padding: 0 20px; }

.main-header { background: var(--white); padding: 15px 0; border-bottom: 2px solid #e2e8f0; position: sticky; top: 0; z-index: 1000; }
.header-grid { display: flex; justify-content: space-between; align-items: center; }
.logo { font-size: 1.5rem; font-weight: 900; letter-spacing: 2px; text-transform: uppercase; }
.logo span { font-weight: 300; color: var(--accent); }

.nav-container { display: flex; align-items: center; gap: 30px; }
.nav-links { display: flex; list-style: none; gap: 20px; }
.nav-links a { text-decoration: none; color: var(--primary); font-weight: 600; font-size: 0.9rem; }

.dropdown { position: relative; }
.dropdown-content { display: none; position: absolute; background: white; min-width: 180px; box-shadow: 0 10px 15px -3px rgba(0,0,0,0.1); border-radius: 8px; top: 100%; padding: 10px 0; }
.dropdown-content a { padding: 10px 20px; display: block; border-bottom: 1px solid #f1f5f9; }
.dropdown:hover .dropdown-content { display: block; }

.search-box { display: flex; background: #f1f5f9; border-radius: 50px; padding: 6px 15px; align-items: center; }
.search-box input { border: none; background: transparent; outline: none; width: 120px; font-size: 0.8rem; }
.search-box button { border: none; background: transparent; color: #64748b; cursor: pointer; }

.hero-banner { background: var(--primary); color: white; padding: 50px 0; text-align: center; }
.main-layout { padding: 40px 0; }
.products-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 25px; }
.product-card { background: white; padding: 20px; border-radius: 12px; border: 1px solid #e2e8f0; position: relative; }
.product-card img { width: 100%; height: 200px; object-fit: contain; margin-bottom: 15px; }
.product-card .tag { position: absolute; top: 15px; left: 15px; background: var(--accent); color: white; padding: 4px 10px; border-radius: 5px; font-size: 0.6rem; font-weight: bold; }
.btn-buy { display: block; background: #059669; color: white; text-align: center; padding: 12px; text-decoration: none; border-radius: 8px; font-weight: bold; margin-top: 15px; }

.page-content { display: none; }
.page-content.active { display: block; }
.content-card, .contact-card { background: white; padding: 40px; border-radius: 15px; text-align: center; max-width: 600px; margin: 40px auto; }
.btn-whatsapp-large { background: #25d366; color: white; padding: 15px 30px; text-decoration: none; border-radius: 50px; font-weight: bold; display: inline-block; margin-top: 20px; }
.main-footer { text-align: center; padding: 30px; background: white; border-top: 1px solid #e2e8f0; }

@media (max-width: 900px) { .header-grid, .nav-container { flex-direction: column; text-align: center; } .nav-links { margin-bottom: 15px; } }