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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    background: linear-gradient(135deg, #FF6B35 0%, #FF8C42 100%);
    min-height: 100vh;
    padding-bottom: 80px;
}

.header {
    background: white;
    padding: 20px;
    text-align: center;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    position: sticky;
    top: 0;
    z-index: 100;
}

.header h1 {
    color: #FF6B35;
    font-size: 28px;
    margin-bottom: 8px;
}

.header p {
    color: #666;
    font-size: 14px;
    line-height: 1.4;
}

.container {
    max-width: 600px;
    margin: 0 auto;
    padding: 16px;
}

.section-title {
    color: white;
    font-size: 20px;
    font-weight: bold;
    margin: 24px 0 12px 0;
    padding-left: 4px;
    text-shadow: 0 2px 4px rgba(0,0,0,0.2);
}


.promo-banner {
    background: linear-gradient(135deg, #FFD93D 0%, #FFA500 100%);
    border-radius: 20px;
    padding: 20px;
    margin-bottom: 24px;
    box-shadow: 0 8px 16px rgba(0,0,0,0.2);
    border: 3px solid white;
    position: relative;
    overflow: hidden;
    animation: shimmer 3s infinite;
    background: linear-gradient(90deg, #FFD93D 0%, #FFA500 50%, #FFD93D 100%);
    background-size: 1000px 100%;
}

.promo-banner::before {
    content: '⭐';
    position: absolute;
    top: -10px;
    right: -10px;
    font-size: 100px;
    opacity: 0.2;
    transform: rotate(20deg);
}

.promo-badge {
    display: inline-block;
    background: #FF4757;
    color: white;
    padding: 6px 16px;
    border-radius: 20px;
    font-size: 14px;
    font-weight: bold;
    margin-bottom: 12px;
    box-shadow: 0 2px 8px rgba(255,71,87,0.4);
}

.promo-title {
    font-size: 24px;
    font-weight: bold;
    color: #2C3E50;
    margin-bottom: 8px;
}

.promo-description {
    color: #34495E;
    font-size: 16px;
    margin-bottom: 12px;
    line-height: 1.4;
}

.promo-price {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-top: 12px;
}

.price-old {
    color: #7f8c8d;
    text-decoration: line-through;
    font-size: 18px;
}

.price-new {
    color: #FF4757;
    font-size: 28px;
    font-weight: bold;
}

.price-save {
    background: #FF4757;
    color: white;
    padding: 4px 12px;
    border-radius: 12px;
    font-size: 14px;
    font-weight: bold;
}

.product-card {
    background: white;
    border-radius: 16px;
    padding: 16px;
    margin-bottom: 12px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.product-card.promo {
    border: 2px solid #FFD93D;
    background: linear-gradient(to right, #FFF9E6 0%, white 100%);
}

.product-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background: #FF6B35;
    transform: scaleY(0);
    transition: transform 0.3s ease;
}

.product-card.selected::before {
    transform: scaleY(1);
}

.product-card.selected {
    box-shadow: 0 6px 12px rgba(255, 107, 53, 0.3);
}

.product-header {
    display: flex;
    justify-content: space-between;
    margin-bottom: 12px;
    position: relative;
}

.product-right {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 8px;
}

.promo-tag {
    background: #FF4757;
    color: white;
    padding: 4px 12px;
    border-radius: 12px;
    font-size: 12px;
    font-weight: bold;
    box-shadow: 0 2px 8px rgba(255,71,87,0.4);
}

.product-name {
    font-size: 18px;
    font-weight: bold;
    color: #333;
    flex: 1;
    padding-right: 16px;
}

.product-price {
    font-size: 22px;
    font-weight: bold;
    color: #FF6B35;
    white-space: nowrap;
}

.product-price.promo-price-display {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
}

.product-price.promo-price-display .price-old {
    font-size: 14px;
    color: #999;
    text-decoration: line-through;
}

.product-price.promo-price-display .price-new {
    font-size: 22px;
    color: #FF4757;
}

.product-description {
    color: #666;
    font-size: 14px;
    line-height: 1.5;
    margin-bottom: 12px;
}

.product-controls {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-top: 12px;
    padding-top: 12px;
    border-top: 1px solid #eee;
}

.quantity-controls {
    display: flex;
    align-items: center;
    gap: 12px;
}

.btn-quantity {
    width: 44px;
    height: 44px;
    border: 2px solid #FF6B35;
    background: white;
    color: #FF6B35;
    border-radius: 12px;
    font-size: 24px;
    font-weight: bold;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s ease;
    -webkit-tap-highlight-color: transparent;
}

.btn-quantity:active {
    transform: scale(0.95);
    background: #FF6B35;
    color: white;
}

.btn-quantity:disabled {
    opacity: 0.3;
    cursor: not-allowed;
}

.quantity-display {
    font-size: 20px;
    font-weight: bold;
    color: #333;
    min-width: 30px;
    text-align: center;
}

.btn-add {
    padding: 12px 24px;
    background: #FF6B35;
    color: white;
    border: none;
    border-radius: 12px;
    font-size: 16px;
    font-weight: bold;
    cursor: pointer;
    transition: all 0.2s ease;
    -webkit-tap-highlight-color: transparent;
}

.btn-add:active {
    transform: scale(0.95);
    background: #E85D2F;
}

.cart-summary {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: white;
    box-shadow: 0 -4px 12px rgba(0,0,0,0.15);
    z-index: 200;
    max-height: 85vh;
    display: flex;
    flex-direction: column;
    transition: transform 0.3s ease;
}

.cart-header {
    padding: 16px;
    background: #FF6B35;
    color: white;
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
    -webkit-tap-highlight-color: transparent;
}

.cart-title {
    font-size: 18px;
    font-weight: bold;
}

.cart-toggle {
    font-size: 24px;
    transition: transform 0.3s ease;
}

.cart-summary.collapsed .cart-toggle {
    transform: rotate(180deg);
}

.cart-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
    display: flex;
    flex-direction: column;
}

.cart-summary:not(.collapsed) .cart-content {
    max-height: calc(85vh - 56px);
    height: auto;
}

.cart-items {
    padding: 16px;
    overflow-y: auto;
    flex: 1;
    -webkit-overflow-scrolling: touch;
}

.cart-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 0;
    border-bottom: 1px solid #eee;
}

.cart-item:last-child {
    border-bottom: none;
}

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

.cart-item-name {
    font-weight: bold;
    color: #333;
    margin-bottom: 4px;
}

.cart-item-price {
    color: #666;
    font-size: 14px;
}

.cart-item-quantity {
    color: #FF6B35;
    font-weight: bold;
    margin-left: 8px;
}

.cart-footer {
    padding: 16px;
    border-top: 2px solid #eee;
}

.delivery-option {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 16px;
    padding: 12px;
    background: #f8f9fa;
    border-radius: 12px;
}

.delivery-option input[type="checkbox"] {
    width: 24px;
    height: 24px;
    cursor: pointer;
}

.delivery-option label {
    font-size: 16px;
    color: #333;
    cursor: pointer;
    flex: 1;
}

.discount-section {
    margin-bottom: 16px;
    padding: 16px;
    background: #FFF9E6;
    border-radius: 12px;
    border: 2px solid #FFD93D;
}

.discount-title {
    font-size: 14px;
    font-weight: bold;
    color: #FF6B35;
    margin-bottom: 8px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.discount-input-group {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.discount-input {
    flex: 1;
    min-width: 140px;
    padding: 12px;
    border: 2px solid #ddd;
    border-radius: 8px;
    font-size: 16px;
    text-transform: uppercase;
    font-weight: bold;
}

.discount-input:focus {
    outline: none;
    border-color: #FF6B35;
}

.btn-apply-code {
    padding: 12px 20px;
    background: #FF6B35;
    color: white;
    border: none;
    border-radius: 8px;
    font-size: 14px;
    font-weight: bold;
    cursor: pointer;
    transition: all 0.2s ease;
    white-space: nowrap;
    flex-shrink: 0;
}

.btn-apply-code:active {
    transform: scale(0.95);
    background: #E85D2F;
}

.discount-message {
    margin-top: 8px;
    font-size: 13px;
    font-weight: bold;
    padding: 8px;
    border-radius: 8px;
    display: none;
}

.discount-message.success {
    display: block;
    background: #d4edda;
    color: #155724;
}

.discount-message.error {
    display: block;
    background: #f8d7da;
    color: #721c24;
}

.discount-applied {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 8px 12px;
    background: #d4edda;
    border-radius: 8px;
    margin-bottom: 12px;
    font-size: 14px;
}

.discount-applied-text {
    color: #155724;
    font-weight: bold;
}

.btn-remove-code {
    background: transparent;
    border: none;
    color: #721c24;
    cursor: pointer;
    font-size: 18px;
    padding: 0;
    width: 24px;
    height: 24px;
}

.cart-subtotal {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 16px;
    margin-bottom: 8px;
    color: #666;
}

.cart-discount {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 16px;
    margin-bottom: 8px;
    color: #28a745;
    font-weight: bold;
}

.cart-total {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 20px;
    font-weight: bold;
    margin-bottom: 16px;
}

.btn-whatsapp {
    width: 100%;
    padding: 16px;
    background: #25D366;
    color: white;
    border: none;
    border-radius: 12px;
    font-size: 18px;
    font-weight: bold;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    transition: all 0.2s ease;
    -webkit-tap-highlight-color: transparent;
}

.btn-whatsapp:active {
    transform: scale(0.98);
    background: #1fb855;
}

.btn-whatsapp:disabled {
    background: #ccc;
    cursor: not-allowed;
}

.empty-cart {
    text-align: center;
    padding: 32px 16px;
    color: #999;
}

@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.05); }
}

.pulse {
    animation: pulse 0.3s ease;
}

@keyframes shimmer {
    0% { background-position: -1000px 0; }
    100% { background-position: 1000px 0; }
}

.site-footer {
    background: white;
    padding: 40px 20px 20px;
    margin-top: 60px;
    box-shadow: 0 -4px 12px rgba(0,0,0,0.1);
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    padding-bottom: 30px;
}

.footer-section h3 {
    color: #FF6B35;
    font-size: 24px;
    margin-bottom: 15px;
}

.footer-section h4 {
    color: #FF6B35;
    font-size: 18px;
    margin-bottom: 15px;
}

.footer-section p, 
.footer-section li {
    color: #666;
    line-height: 1.6;
    margin-bottom: 8px;
}

.footer-section ul {
    list-style: none;
    padding: 0;
}

.footer-section ul li:before {
    content: "•";
    color: #FF6B35;
    margin-right: 8px;
}

.location {
    font-weight: 500;
    color: #444;
}

.social-links {
    margin-top: 15px;
}

.social-links a {
    color: #FF6B35;
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s;
}

.social-links a:hover {
    color: #E85D2F;
}

.footer-bottom {
    border-top: 1px solid #eee;
    padding-top: 20px;
    text-align: center;
    color: #888;
    font-size: 14px;
}

@media (max-width: 768px) {
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .footer-section ul li:before {
        display: none;
    }

    .site-footer {
        padding: 30px 15px 15px;
    }
}