/* Reset y configuración base */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', 'Segoe UI', 'Roboto', sans-serif;
    background: linear-gradient(135deg, #1e293b 0%, #334155 50%, #475569 100%);
    min-height: 100vh;
    color: #1e293b;
    position: relative;
}

/* Patrón de fondo sutil */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        radial-gradient(circle at 25% 25%, rgba(59, 130, 246, 0.05) 0%, transparent 50%),
        radial-gradient(circle at 75% 75%, rgba(147, 51, 234, 0.05) 0%, transparent 50%);
    z-index: -2;
}

/* Textura de fondo opcional */
body::after {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: url('data:image/svg+xml,<svg width="60" height="60" viewBox="0 0 60 60" xmlns="http://www.w3.org/2000/svg"><g fill="none" fill-rule="evenodd"><g fill="%23ffffff" fill-opacity="0.02"><circle cx="30" cy="30" r="1"/></g></svg>');
    z-index: -1;
}

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Header */
.header {
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(20px);
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1), 0 1px 2px rgba(0, 0, 0, 0.06);
    border-bottom: 1px solid rgba(226, 232, 240, 0.8);
}

.nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 0;
}

.logo {
    font-size: 2rem;
    font-weight: 700;
    background: linear-gradient(135deg, #3b82f6 0%, #8b5cf6 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: -0.025em;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-menu a {
    text-decoration: none;
    color: #64748b;
    font-weight: 500;
    transition: color 0.3s ease;
    font-size: 0.95rem;
}

.nav-menu a:hover {
    color: #3b82f6;
}

.cart-icon {
    position: relative;
    background: linear-gradient(135deg, #3b82f6 0%, #8b5cf6 100%);
    color: white;
    border: none;
    padding: 12px 20px;
    border-radius: 12px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-weight: 600;
    font-size: 0.9rem;
    box-shadow: 0 4px 14px 0 rgba(59, 130, 246, 0.25);
}

.cart-icon:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px 0 rgba(59, 130, 246, 0.35);
}

.cart-count {
    position: absolute;
    top: -8px;
    right: -8px;
    background: #ef4444;
    color: white;
    border-radius: 50%;
    width: 22px;
    height: 22px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 11px;
    font-weight: 600;
    box-shadow: 0 2px 8px rgba(239, 68, 68, 0.4);
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, 
        rgba(59, 130, 246, 0.08) 0%, 
        rgba(139, 92, 246, 0.08) 50%,
        rgba(99, 102, 241, 0.08) 100%
    );
    padding: 5rem 0;
    text-align: center;
    margin-bottom: 5rem;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(ellipse at center, rgba(255, 255, 255, 0.1) 0%, transparent 70%);
}

.hero h1 {
    font-size: 3.5rem;
    margin-bottom: 1.5rem;
    background: linear-gradient(135deg, #1e293b 0%, #475569 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-weight: 800;
    letter-spacing: -0.025em;
    line-height: 1.1;
    position: relative;
}

.hero p {
    font-size: 1.25rem;
    color: #64748b;
    max-width: 600px;
    margin: 0 auto;
    line-height: 1.6;
    font-weight: 400;
    position: relative;
}

/* Products Grid */
.products {
    margin-bottom: 5rem;
}

.section-title {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
    color: #f8fafc;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    font-weight: 700;
    letter-spacing: -0.025em;
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 1.5rem;
    margin-bottom: 3rem;
}

.product-card {
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(20px);
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 
        0 4px 6px -1px rgba(0, 0, 0, 0.1),
        0 2px 4px -1px rgba(0, 0, 0, 0.06);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    border: 1px solid rgba(226, 232, 240, 0.5);
}

.product-card:hover {
    transform: translateY(-8px) scale(1.02);
    box-shadow: 
        0 25px 50px -12px rgba(0, 0, 0, 0.15),
        0 0 0 1px rgba(59, 130, 246, 0.1);
    border-color: rgba(59, 130, 246, 0.2);
}

/* Image Gallery */
.product-gallery {
    position: relative;
    height: 200px;
    overflow: hidden;
    background: linear-gradient(45deg, #f8fafc 0%, #f1f5f9 100%);
}

.gallery-main {
    width: 100%;
    height: 100%;
    position: relative;
}

.gallery-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    position: absolute;
    opacity: 0;
    transition: opacity 0.5s ease;
}

.gallery-image.active {
    opacity: 1;
}

.gallery-nav {
    position: absolute;
    bottom: 12px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 8px;
    z-index: 10;
}

.gallery-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.6);
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.gallery-dot.active {
    background: #3b82f6;
    transform: scale(1.2);
}

.gallery-arrows {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(15, 23, 42, 0.7);
    color: white;
    border: none;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
}

.product-card:hover .gallery-arrows {
    opacity: 1;
}

.gallery-arrows:hover {
    background: rgba(59, 130, 246, 0.9);
    transform: translateY(-50%) scale(1.1);
}

.gallery-prev {
    left: 10px;
}

.gallery-next {
    right: 10px;
}

/* Product Info */
.product-info {
    padding: 1.5rem;
    background: linear-gradient(to bottom, rgba(255, 255, 255, 0) 0%, rgba(248, 250, 252, 0.5) 100%);
}

.product-title {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: #1e293b;
    line-height: 1.4;
}

.product-description {
    color: #64748b;
    margin-bottom: 1rem;
    font-size: 0.875rem;
    line-height: 1.5;
    font-weight: 400;
}

.product-price {
    font-size: 1.375rem;
    font-weight: 700;
    color: #3b82f6;
    margin-bottom: 1rem;
    letter-spacing: -0.025em;
}

.add-to-cart {
    width: 100%;
    background: linear-gradient(135deg, #3b82f6 0%, #8b5cf6 100%);
    color: white;
    border: none;
    padding: 12px;
    border-radius: 12px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 0.9rem;
    box-shadow: 0 4px 14px 0 rgba(59, 130, 246, 0.25);
}

.add-to-cart:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px 0 rgba(59, 130, 246, 0.35);
}

/* Cart Modal */
.cart-modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(15, 23, 42, 0.4);
    backdrop-filter: blur(8px);
    z-index: 2000;
}

.cart-content {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: white;
    width: 90%;
    max-width: 600px;
    max-height: 80vh;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 
        0 25px 50px -12px rgba(0, 0, 0, 0.25),
        0 0 0 1px rgba(226, 232, 240, 0.5);
}

.cart-header {
    background: linear-gradient(135deg, #3b82f6 0%, #8b5cf6 100%);
    color: white;
    padding: 1.5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.cart-close {
    background: rgba(255, 255, 255, 0.2);
    border: none;
    color: white;
    font-size: 1.25rem;
    cursor: pointer;
    width: 32px;
    height: 32px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
}

.cart-close:hover {
    background: rgba(255, 255, 255, 0.3);
    transform: scale(1.1);
}

.cart-items {
    padding: 1.5rem;
    max-height: 400px;
    overflow-y: auto;
}

.cart-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem 0;
    border-bottom: 1px solid #e2e8f0;
}

.cart-item img {
    width: 80px;
    height: 80px;
    object-fit: cover;
    border-radius: 12px;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
}

.cart-item-info {
    flex: 1;
}

.cart-item-title {
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: #1e293b;
}

.cart-item-price {
    color: #3b82f6;
    font-weight: 600;
}

.cart-item-controls {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.quantity-btn {
    background: #3b82f6;
    color: white;
    border: none;
    width: 32px;
    height: 32px;
    border-radius: 8px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
    font-weight: 600;
}

.quantity-btn:hover {
    background: #2563eb;
    transform: scale(1.05);
}

.quantity {
    font-weight: 600;
    min-width: 32px;
    text-align: center;
    color: #1e293b;
}

.remove-item {
    background: #ef4444;
    color: white;
    border: none;
    padding: 6px 12px;
    border-radius: 8px;
    cursor: pointer;
    font-size: 0.8rem;
    font-weight: 500;
    transition: all 0.3s ease;
}

.remove-item:hover {
    background: #dc2626;
    transform: translateY(-1px);
}

.cart-footer {
    background: #f8fafc;
    padding: 1.5rem;
    border-top: 1px solid #e2e8f0;
}

.cart-total {
    text-align: center;
    font-size: 1.5rem;
    font-weight: 700;
    color: #1e293b;
    margin-bottom: 1rem;
}

.checkout-btn {
    width: 100%;
    background: linear-gradient(135deg, #3b82f6 0%, #8b5cf6 100%);
    color: white;
    border: none;
    padding: 16px;
    border-radius: 12px;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 4px 14px 0 rgba(59, 130, 246, 0.25);
}

.checkout-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px 0 rgba(59, 130, 246, 0.35);
}

.empty-cart {
    text-align: center;
    padding: 3rem 2rem;
    color: #64748b;
}

/* Responsive Design */
@media (max-width: 1200px) {
    .products-grid {
        grid-template-columns: repeat(4, 1fr);
        gap: 1.2rem;
    }
}

@media (max-width: 992px) {
    .products-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 1rem;
    }
    
    .product-gallery {
        height: 180px;
    }
}

@media (max-width: 768px) {
    .nav-menu {
        display: none;
    }
    
    .hero h1 {
        font-size: 2.5rem;
    }
    
    .products-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 1rem;
    }
    
    .cart-content {
        width: 95%;
        max-height: 90vh;
    }
    
    .gallery-arrows {
        opacity: 1;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }
    
    .hero {
        padding: 3rem 0;
    }
    
    .hero h1 {
        font-size: 2rem;
    }
    
    .hero p {
        font-size: 1.1rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .products-grid {
        grid-template-columns: 1fr;
    }
    
    .product-info {
        padding: 1.2rem;
    }
    
    .product-title {
        font-size: 1.1rem;
    }
}