* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }

        body {
            font-family: 'Inter', sans-serif;
            color: #333;
            background: #fff;
            line-height: 1.6;
        }

        .container {
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 16px;
        }

        @media (min-width: 640px) {
            .container {
                padding: 0 24px;
            }
        }

        @media (min-width: 1024px) {
            .container {
                padding: 0 32px;
            }
        }

        /* Header */
        header {
            background: #1a3a52;
            color: white;
            padding: 16px 0;
            position: sticky;
            top: 0;
            z-index: 100;
            box-shadow: 0 2px 8px rgba(0,0,0,0.1);
        }

        header .container {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        .logo {
            display: flex;
            align-items: center;
            gap: 12px;
            font-weight: 700;
            font-size: 20px;
        }

        .logo-icon {
            width: 40px;
            height: 40px;
            background: #ff6b35;
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
        }

        nav {
            display: flex;
            flex-wrap: wrap;
            gap: 10px 14px;
            align-items: center;
            justify-content: center;
        }

        nav a {
            color: white;
            text-decoration: none;
            transition: color 0.3s;
            font-size: 13px;
            white-space: nowrap;
        }

        nav a:hover {
            color: #ff6b35;
        }

        @media (min-width: 768px) {
            nav {
                gap: 32px;
                flex-wrap: nowrap;
            }

            nav a {
                font-size: inherit;
            }
        }

        @media (max-width: 767px) {
            header .container {
                flex-wrap: wrap;
                row-gap: 12px;
            }

            nav {
                order: 3;
                width: 100%;
                padding-top: 8px;
                border-top: 1px solid rgba(255, 255, 255, 0.12);
            }
        }

        .header-cta {
            display: flex;
            gap: 12px;
            align-items: center;
        }

        .whatsapp-btn {
            background: #ff6b35;
            color: white;
            padding: 10px 20px;
            border-radius: 8px;
            text-decoration: none;
            font-weight: 600;
            transition: background 0.3s;
            border: none;
            cursor: pointer;
        }

        .whatsapp-btn:hover {
            background: #e55a24;
        }

        /* Hero Section */
        .hero {
            background: linear-gradient(135deg, #1a3a52 0%, #2d5a7b 100%);
            color: white;
            padding: 80px 0;
            text-align: center;
        }

        .hero h1 {
            font-family: 'Roboto', sans-serif;
            font-size: 48px;
            font-weight: 700;
            margin-bottom: 16px;
            line-height: 1.2;
        }

        @media (max-width: 768px) {
            .hero h1 {
                font-size: 32px;
            }
        }

        .hero p {
            font-size: 18px;
            margin-bottom: 32px;
            opacity: 0.9;
        }

        .hero-badges {
            display: flex;
            justify-content: center;
            gap: 24px;
            margin-bottom: 32px;
            flex-wrap: wrap;
        }

        .badge {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
        }

        .badge-icon {
            width: 24px;
            height: 24px;
            background: #ff6b35;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .hero-buttons {
            display: flex;
            gap: 16px;
            justify-content: center;
            flex-wrap: wrap;
        }

        .btn {
            padding: 16px 32px;
            border-radius: 8px;
            text-decoration: none;
            font-weight: 600;
            transition: all 0.3s;
            border: none;
            cursor: pointer;
            font-size: 16px;
        }

        .btn-primary {
            background: #ff6b35;
            color: white;
        }

        .btn-primary:hover {
            background: #e55a24;
            transform: translateY(-2px);
        }

        .btn-secondary {
            background: white;
            color: #1a3a52;
            border: 2px solid white;
        }

        .btn-secondary:hover {
            background: transparent;
            color: white;
        }

        /* Trust Section */
        .trust {
            background: #f5f5f5;
            padding: 80px 0;
        }

        .trust-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 32px;
        }

        .trust-item {
            background: white;
            padding: 32px;
            border-radius: 8px;
            text-align: center;
            box-shadow: 0 2px 8px rgba(0,0,0,0.05);
        }

        .trust-icon {
            width: 48px;
            height: 48px;
            background: #ff6b35;
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 16px;
            font-size: 24px;
        }

        .trust-item h3 {
            margin-bottom: 8px;
            font-size: 18px;
        }

        .trust-item p {
            color: #666;
            font-size: 14px;
        }

        /* Categories Section */
        .categories {
            padding: 80px 0;
        }

        .section-title {
            text-align: center;
            margin-bottom: 48px;
        }

        .section-title h2 {
            font-family: 'Roboto', sans-serif;
            font-size: 36px;
            font-weight: 700;
            margin-bottom: 12px;
        }

        .section-title p {
            color: #666;
            font-size: 16px;
        }

        .categories-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
            gap: 16px;
        }

        .category-card {
            background: #f5f5f5;
            padding: 24px;
            border-radius: 8px;
            text-align: center;
            cursor: pointer;
            transition: all 0.3s;
            text-decoration: none;
            color: #333;
        }

        .category-card:hover {
            background: #1a3a52;
            color: white;
            transform: translateY(-4px);
        }

        .category-card h3 {
            font-size: 14px;
            font-weight: 600;
        }

        /* Products Section */
        .products {
            background: #f5f5f5;
            padding: 80px 0;
        }

        .products-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
            gap: 24px;
        }

        .product-card {
            background: white;
            border-radius: 8px;
            overflow: hidden;
            box-shadow: 0 2px 8px rgba(0,0,0,0.05);
            transition: all 0.3s;
        }

        .product-card:hover {
            box-shadow: 0 8px 24px rgba(0,0,0,0.12);
            transform: translateY(-4px);
        }

        .product-image {
            width: 100%;
            height: 240px;
            background: #e0e0e0;
            display: flex;
            align-items: center;
            justify-content: center;
            overflow: hidden;
        }

        .product-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .product-info {
            padding: 16px;
        }

        .product-category {
            font-size: 12px;
            color: #1a3a52;
            font-weight: 600;
            margin-bottom: 8px;
        }

        .product-name {
            font-weight: 600;
            margin-bottom: 8px;
            font-size: 14px;
            line-height: 1.4;
        }

        .product-compatibility {
            font-size: 12px;
            color: #666;
            margin-bottom: 12px;
        }

        .product-rating {
            display: flex;
            align-items: center;
            gap: 4px;
            margin-bottom: 12px;
            font-size: 12px;
        }

        .star {
            color: #ff6b35;
        }

        .product-price {
            display: flex;
            align-items: baseline;
            gap: 8px;
            margin-bottom: 12px;
        }

        .price {
            font-size: 24px;
            font-weight: 700;
            color: #1a3a52;
        }

        .original-price {
            font-size: 14px;
            color: #999;
            text-decoration: line-through;
        }

        .warranty {
            background: #e8f5e9;
            border: 1px solid #4caf50;
            padding: 8px;
            border-radius: 4px;
            font-size: 12px;
            color: #2e7d32;
            margin-bottom: 12px;
        }

        .product-buttons {
            display: flex;
            gap: 8px;
        }

        .product-buttons button,
        .product-buttons a {
            flex: 1;
            padding: 10px;
            border-radius: 4px;
            font-size: 12px;
            font-weight: 600;
            text-decoration: none;
            border: none;
            cursor: pointer;
            transition: all 0.3s;
        }

        .btn-buy {
            background: #ff6b35;
            color: white;
        }

        .btn-buy:hover {
            background: #e55a24;
        }

        .btn-info {
            background: white;
            color: #ff6b35;
            border: 2px solid #ff6b35;
        }

        .btn-info:hover {
            background: #ff6b35;
            color: white;
        }

        /* Loading */
        .loading {
            text-align: center;
            padding: 40px;
            color: #666;
        }

        .loading-spinner {
            display: inline-block;
            width: 40px;
            height: 40px;
            border: 4px solid #f3f3f3;
            border-top: 4px solid #ff6b35;
            border-radius: 50%;
            animation: spin 1s linear infinite;
        }

        @keyframes spin {
            0% { transform: rotate(0deg); }
            100% { transform: rotate(360deg); }
        }

        /* Footer */
        footer {
            background: #1a3a52;
            color: white;
            padding: 48px 0 24px;
        }

        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 32px;
            margin-bottom: 32px;
        }

        .footer-section h3 {
            margin-bottom: 16px;
            font-size: 16px;
        }

        .footer-section ul {
            list-style: none;
        }

        .footer-section ul li {
            margin-bottom: 8px;
        }

        .footer-section a {
            color: rgba(255,255,255,0.8);
            text-decoration: none;
            transition: color 0.3s;
        }

        .footer-section a:hover {
            color: #ff6b35;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255,255,255,0.2);
            padding-top: 24px;
            text-align: center;
            font-size: 14px;
            color: rgba(255,255,255,0.6);
        }

        /* WhatsApp Button */
        .whatsapp-float {
            position: fixed;
            bottom: 24px;
            right: 24px;
            width: 60px;
            height: 60px;
            background: #25d366;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            box-shadow: 0 4px 12px rgba(0,0,0,0.15);
            z-index: 99;
            transition: all 0.3s;
            text-decoration: none;
            color: white;
            font-size: 28px;
        }

        .whatsapp-float:hover {
            background: #1da851;
            transform: scale(1.1);
        }

        /* Responsive */
        @media (max-width: 768px) {
            .hero {
                padding: 48px 0;
            }

            .hero h1 {
                font-size: 28px;
            }

            .hero p {
                font-size: 16px;
            }

            .categories-grid {
                grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
            }

            .products-grid {
                grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
                gap: 16px;
            }
        }

/* Logo e navegação */
.brand-logo {
    display: flex;
    align-items: center;
    text-decoration: none;
    flex-shrink: 0;
}

.site-logo {
    max-height: 56px;
    width: auto;
    display: block;
    object-fit: contain;
}

.site-logo-fallback {
    display: none;
    font-weight: 700;
    font-size: 18px;
    color: #fff;
    line-height: 1.2;
}

nav a.nav-active {
    color: #ff6b35;
    font-weight: 600;
}

.hero-hint {
    margin-top: 24px;
    font-size: 14px;
    opacity: 0.85;
}

.categories-more {
    text-align: center;
    margin-top: 32px;
}

.catalog-cta {
    margin-top: 12px;
}

.catalog-cta .btn {
    display: inline-block;
    padding: 12px 24px;
    font-size: 15px;
}

/* Página catálogo */
.catalog-hero {
    background: linear-gradient(135deg, #1a3a52 0%, #2d5a7b 100%);
    color: #fff;
    padding: 40px 0 48px;
    text-align: center;
}

.catalog-hero h1 {
    font-family: 'Roboto', sans-serif;
    font-size: 32px;
    margin-bottom: 12px;
}

.catalog-hero p {
    opacity: 0.95;
    max-width: 640px;
    margin: 0 auto;
}

.catalog-page {
    padding: 40px 0 80px;
    background: #f5f5f5;
}

.catalog-filters {
    background: #fff;
    padding: 20px;
    border-radius: 8px;
    margin-bottom: 24px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.06);
}

.filter-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 16px;
    margin-bottom: 16px;
}

.filter-field {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.filter-field span {
    font-size: 12px;
    font-weight: 600;
    color: #1a3a52;
}

.filter-field input,
.filter-field select {
    padding: 10px 12px;
    border: 1px solid #ccc;
    border-radius: 6px;
    font-size: 14px;
    font-family: inherit;
}

.filter-actions {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 16px;
    justify-content: space-between;
}

.filter-results-count {
    font-size: 14px;
    color: #333;
    font-weight: 600;
}

.pagination {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: center;
    gap: 16px;
    margin-top: 32px;
    padding: 16px;
}

.pagination-info {
    font-size: 14px;
    color: #555;
}

.pagination-btns {
    display: flex;
    gap: 12px;
}

.pagination-btn:disabled {
    opacity: 0.45;
    cursor: not-allowed;
}

.footer-content--simple {
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}

.footer-trust p {
    color: rgba(255,255,255,0.85);
    font-size: 14px;
    line-height: 1.5;
}