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

    body {
        font-family: 'Arial', sans-serif;
        color: #333;
        /* Imagen de fondo para toda la página */
        background-image: url('https://wonderful-3d.com/wp-content/uploads/2026/02/Blau-Gold-Rustikal-Kunstlerisch-Fernabschluss-Banner-1-scaled.png');
        background-size: cover;
        background-position: center;
        background-attachment: fixed;
        background-repeat: no-repeat;
    }

    /* Overlay semi-transparente para mejorar legibilidad */
    body::before {
        content: '';
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        background: rgba(255, 255, 255, 0.90);
        z-index: -1;
    }

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

    /* Header */
    .header {
        background: linear-gradient(135deg, #1a1a1a 0%, #2d2416 100%);
        color: white;
        padding: 15px 0;
        position: sticky;
        top: 0;
        z-index: 1000;
        backdrop-filter: blur(10px);
        box-shadow: 0 2px 10px rgba(184, 134, 11, 0.3);
    }

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

    .header-actions {
        display: flex;
        gap: 20px;
        align-items: center;
    }

    .cart-btn {
        position: relative;
        background: linear-gradient(135deg, #DAA520, #B8860B);
        border: 2px solid #FFD700;
        padding: 10px 20px;
        color: white;
        cursor: pointer;
        font-weight: bold;
        border-radius: 8px;
        transition: all 0.3s;
        display: flex;
        align-items: center;
        gap: 8px;
        font-size: 18px;
    }

    .cart-btn:hover {
        background: linear-gradient(135deg, #FFD700, #DAA520);
        transform: translateY(-2px);
        box-shadow: 0 4px 15px rgba(218, 165, 32, 0.5);
    }

    .cart-count {
        background: #fff;
        color: #B8860B;
        border-radius: 50%;
        padding: 2px 8px;
        font-size: 12px;
        font-weight: bold;
        min-width: 20px;
        text-align: center;
    }

    .logo {
        display: flex;
        align-items: center;
    }

    .logo-image {
        height: 60px;
        width: auto;
        object-fit: contain;
        cursor: pointer;
    }

    /* Si quieres limitar el ancho máximo del logo */
    @media (max-width: 768px) {
        .logo-image {
            height: 50px;
        }
    }

    .nav {
        display: flex;
        gap: 25px;
    }

    .nav a {
        color: white;
        text-decoration: none;
        font-size: 14px;
        font-weight: 500;
        transition: color 0.3s;
    }

    .nav a:hover {
        color: #FFD700;
    }

    /* Hero Section */
    .hero {
        background: linear-gradient(rgba(0, 0, 0, 0.5), rgba(0, 0, 0, 0.5)),
                    url('https://wonderful-3d.com/wp-content/uploads/2026/02/Blau-Gold-Rustikal-Kunstlerisch-Fernabschluss-Banner-1-scaled.png');
        background-size: cover;
        background-position: center;
        height: 400px;
        display: flex;
        align-items: center;
        justify-content: center;
        margin-bottom: 60px;
    }

    .hero-content h1 {
        color: white;
        font-size: 72px;
        font-weight: bold;
        letter-spacing: 4px;
        text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
        margin-bottom: 10px;
    }

    .hero-subtitle {
        color: #FFD700;
        font-size: 24px;
        font-style: italic;
        letter-spacing: 2px;
        text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
    }

    /* Main Section */
    .main-section {
        background: rgba(255, 255, 255, 0.85);
        padding: 60px 0;
        margin-bottom: 40px;
        backdrop-filter: blur(5px);
    }

    .section-header {
        text-align: center;
        margin-bottom: 50px;
    }

    .section-header h2 {
        font-size: 36px;
        margin-bottom: 15px;
        color: #2d2d37;
    }

    .subtitle-text {
        font-size: 16px;
        color: #666;
        max-width: 900px;
        margin: 0 auto;
        line-height: 1.6;
    }

    /* Product Categories */
    /* Carrusel de Categorías */
    .product-categories {
        position: relative;
        margin-top: 40px;
        overflow: hidden;
        padding: 0 50px;
    }

    .categories-carousel-container {
        overflow: hidden;
    }

    .categories-carousel {
        display: flex;
        gap: 30px;
        transition: transform 0.5s ease;
        padding: 10px 0;
    }

    .category-card {
        background: white;
        border-radius: 8px;
        overflow: hidden;
        box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
        transition: transform 0.3s, box-shadow 0.3s;
        flex: 0 0 280px;
        cursor: pointer;
    }

    .category-card:hover {
        transform: translateY(-5px);
        box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15);
    }

    .category-image {
        width: 100%;
        height: 250px;
        overflow: hidden;
    }

    .category-image img {
        width: 100%;
        height: 100%;
        object-fit: cover;
        transition: transform 0.3s;
    }

    .category-card:hover .category-image img {
        transform: scale(1.05);
    }

    .category-card h3 {
        padding: 20px;
        text-align: center;
        font-size: 18px;
        background: linear-gradient(135deg, #1a1a1a, #2d2416);
        color: #FFD700;
        border-top: 3px solid #DAA520;
    }

    /* Flechas de navegación del carrusel */
    .carousel-nav {
        position: absolute;
        top: 50%;
        transform: translateY(-50%);
        background: linear-gradient(135deg, #DAA520, #B8860B);
        border: 2px solid #FFD700;
        color: white;
        width: 45px;
        height: 45px;
        border-radius: 50%;
        display: flex;
        align-items: center;
        justify-content: center;
        cursor: pointer;
        z-index: 10;
        transition: all 0.3s;
        box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
    }

    .carousel-nav:hover {
        background: linear-gradient(135deg, #FFD700, #DAA520);
        transform: translateY(-50%) scale(1.1);
        box-shadow: 0 6px 20px rgba(218, 165, 32, 0.5);
    }

    .carousel-nav:active {
        transform: translateY(-50%) scale(0.95);
    }

    .carousel-nav.disabled {
        opacity: 0.3;
        cursor: not-allowed;
        pointer-events: none;
    }

    .carousel-nav.prev {
        left: 0;
    }

    .carousel-nav.next {
        right: 0;
    }

    .carousel-nav i {
        font-size: 20px;
    }

    /* Indicadores del carrusel */
    .carousel-indicators {
        display: flex;
        justify-content: center;
        gap: 10px;
        margin-top: 20px;
    }

    .carousel-indicator {
        width: 10px;
        height: 10px;
        border-radius: 50%;
        background: #ccc;
        cursor: pointer;
        transition: all 0.3s;
    }

    .carousel-indicator.active {
        background: linear-gradient(135deg, #DAA520, #B8860B);
        width: 30px;
        border-radius: 5px;
    }

    /* Products Section */
    .products-section {
        background: rgba(255, 255, 255, 0.85);
        padding: 40px 0;
        backdrop-filter: blur(5px);
    }

    .products-controls {
        display: flex;
        justify-content: space-between;
        align-items: center;
        margin-bottom: 30px;
        padding: 20px;
        background: rgba(240, 240, 240, 0.9);
        border-radius: 8px;
    }

    .show-controls {
        display: flex;
        gap: 10px;
        align-items: center;
    }

    .show-controls span {
        font-weight: bold;
    }

    .show-controls button {
        padding: 8px 15px;
        border: 1px solid #ccc;
        background: white;
        cursor: pointer;
        transition: all 0.3s;
    }

    .show-controls button.active,
    .show-controls button:hover {
        background: linear-gradient(135deg, #DAA520, #B8860B);
        color: white;
        border-color: #FFD700;
    }

    .breadcrumb {
        color: #666;
    }

    .breadcrumb a {
        color: #B8860B;
        text-decoration: none;
    }

    .sort-controls select {
        padding: 8px 15px;
        border: 1px solid #ccc;
        border-radius: 4px;
        background: white;
        cursor: pointer;
    }

    .products-grid-container {
        display: grid;
        grid-template-columns: 280px 1fr;
        gap: 40px;
    }

    /* Filters Sidebar */
    .filters-sidebar {
        background: rgba(255, 255, 255, 0.95);
        padding: 25px;
        border-radius: 8px;
        box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
        height: fit-content;
        position: sticky;
        top: 100px;
    }

    .filter-group {
        margin-bottom: 30px;
    }

    .filter-group h3 {
        font-size: 16px;
        margin-bottom: 15px;
        color: #2d2d37;
    }

    .filter-group label {
        display: flex;
        align-items: center;
        gap: 10px;
        margin-bottom: 10px;
        cursor: pointer;
    }

    .filter-group input[type="checkbox"] {
        width: 18px;
        height: 18px;
        cursor: pointer;
    }

    .price-slider input[type="range"] {
        width: 100%;
        margin-bottom: 15px;
    }

    .price-values {
        display: flex;
        gap: 10px;
        align-items: center;
    }

    .price-values input {
        width: 60px;
        padding: 5px;
        border: 1px solid #ccc;
        border-radius: 4px;
    }

    /* Products Grid */
    .products-grid {
        display: grid;
        grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
        gap: 30px;
    }

    .product-card {
        background: white;
        border-radius: 8px;
        overflow: hidden;
        box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
        transition: transform 0.3s, box-shadow 0.3s;
    }

    .product-card:hover {
        transform: translateY(-5px);
        box-shadow: 0 8px 16px rgba(0, 0, 0, 0.15);
    }

    .product-image {
        width: 100%;
        height: 280px;
        overflow: hidden;
        background: #f5f5f5;
    }

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

    .product-card h4 {
        padding: 15px 20px 10px 20px;
        font-size: 16px;
        min-height: 80px;
        display: flex;
        align-items: center;
        color: #2d2d37;
    }

    .product-info {
        padding: 0 20px 20px 20px;
    }

    .product-price {
        font-size: 24px;
        font-weight: bold;
        color: #B8860B;
        margin: 10px 0;
    }

    .view-detail-btn {
        width: 100%;
        padding: 12px;
        background: linear-gradient(135deg, #DAA520, #B8860B);
        color: white;
        border: 2px solid #FFD700;
        font-size: 16px;
        font-weight: bold;
        cursor: pointer;
        transition: all 0.3s;
        border-radius: 8px;
        display: flex;
        align-items: center;
        justify-content: center;
        gap: 8px;
    }

    .view-detail-btn:hover {
        background: linear-gradient(135deg, #FFD700, #DAA520);
        transform: translateY(-2px);
        box-shadow: 0 4px 15px rgba(218, 165, 32, 0.5);
    }

    .view-detail-btn i {
        font-size: 18px;
    }

    /* Footer */
    .footer {
        background: linear-gradient(135deg, #1a1a1a 0%, #2d2416 100%);
        color: #FFD700;
        padding: 30px 0;
        text-align: center;
        margin-top: 60px;
        backdrop-filter: blur(10px);
        border-top: 3px solid #DAA520;
    }

    /* Responsive */
    @media (max-width: 1024px) {
        .products-grid-container {
            grid-template-columns: 1fr;
        }
        
        .filters-sidebar {
            position: static;
        }
    }

    @media (max-width: 768px) {
        .header .container {
            flex-direction: column;
            gap: 15px;
        }
        
        .nav {
            flex-wrap: wrap;
            justify-content: center;
        }
        
        .hero-content h1 {
            font-size: 48px;
        }
        
        .products-controls {
            flex-direction: column;
            gap: 15px;
        }
        
        .product-categories {
            grid-template-columns: 1fr;
        }
        
        .products-grid {
            grid-template-columns: 1fr;
        }
    }

    /* Product Detail Modal */
    .modal {
        display: none;
        position: fixed;
        z-index: 3000;
        left: 0;
        top: 0;
        width: 100%;
        height: 100%;
        background-color: rgba(0, 0, 0, 0.8);
        overflow-y: auto;
    }

    .modal.active {
        display: flex;
        align-items: center;
        justify-content: center;
    }

    .modal-content {
        background: white;
        margin: 20px;
        padding: 0;
        width: 90%;
        max-width: 1200px;
        border-radius: 12px;
        position: relative;
        max-height: 90vh;
        overflow-y: auto;
    }

    .close-modal {
        position: absolute;
        right: 20px;
        top: 20px;
        font-size: 35px;
        font-weight: bold;
        color: #666;
        cursor: pointer;
        z-index: 10;
        background: white;
        width: 40px;
        height: 40px;
        border-radius: 50%;
        display: flex;
        align-items: center;
        justify-content: center;
        box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
    }

    .close-modal:hover {
        color: #B8860B;
    }

    .product-detail-container {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 40px;
        padding: 40px;
    }

    .product-detail-images {
        display: flex;
        flex-direction: column;
        gap: 15px;
    }

    .main-image {
        width: 100%;
        height: 400px;
        background: #f5f5f5;
        border-radius: 8px;
        overflow: hidden;
    }

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

    .thumbnail-images {
        display: flex;
        gap: 10px;
    }

    .thumbnail {
        width: 100px;
        height: 100px;
        object-fit: cover;
        border-radius: 6px;
        cursor: pointer;
        border: 3px solid transparent;
        transition: all 0.3s;
    }

    .thumbnail:hover,
    .thumbnail.active {
        border-color: #DAA520;
    }

    .product-detail-info {
        display: flex;
        flex-direction: column;
        gap: 20px;
    }

    .product-detail-info h2 {
        font-size: 32px;
        color: #2d2d37;
        margin: 0;
    }

    .product-detail-price {
        font-size: 36px;
        font-weight: bold;
        color: #B8860B;
    }

    .product-description,
    .product-features,
    .product-specs {
        border-top: 1px solid #e0e0e0;
        padding-top: 15px;
    }

    .product-detail-info h3 {
        font-size: 20px;
        color: #2d2d37;
        margin-bottom: 10px;
    }

    .product-detail-info p {
        line-height: 1.6;
        color: #666;
    }

    .product-detail-info ul {
        list-style: none;
        padding: 0;
    }

    .product-detail-info ul li {
        padding: 8px 0;
        color: #666;
        position: relative;
        padding-left: 25px;
    }

    .product-detail-info ul li:before {
        content: "✓";
        position: absolute;
        left: 0;
        color: #DAA520;
        font-weight: bold;
    }

    .quantity-selector {
        display: flex;
        align-items: center;
        gap: 15px;
    }

    .quantity-selector label {
        font-weight: bold;
        color: #2d2d37;
    }

    .quantity-controls {
        display: flex;
        align-items: center;
        gap: 10px;
    }

    .quantity-controls button {
        width: 35px;
        height: 35px;
        background: linear-gradient(135deg, #DAA520, #B8860B);
        color: white;
        border: none;
        border-radius: 6px;
        font-size: 20px;
        cursor: pointer;
        transition: all 0.3s;
    }

    .quantity-controls button:hover {
        background: linear-gradient(135deg, #FFD700, #DAA520);
    }

    .quantity-controls input {
        width: 60px;
        text-align: center;
        font-size: 18px;
        font-weight: bold;
        border: 2px solid #DAA520;
        border-radius: 6px;
        padding: 8px;
    }

    .add-to-cart-large {
        width: 100%;
        padding: 18px;
        background: linear-gradient(135deg, #DAA520, #B8860B);
        color: white;
        border: none;
        font-size: 20px;
        font-weight: bold;
        cursor: pointer;
        border-radius: 8px;
        display: flex;
        align-items: center;
        justify-content: center;
        gap: 10px;
        transition: all 0.3s;
        margin-top: 10px;
    }

    .add-to-cart-large:hover {
        background: linear-gradient(135deg, #FFD700, #DAA520);
        transform: translateY(-2px);
        box-shadow: 0 6px 20px rgba(218, 165, 32, 0.5);
    }

    @media (max-width: 768px) {
        .product-detail-container {
            grid-template-columns: 1fr;
            padding: 20px;
        }
        
        .modal-content {
            width: 95%;
            margin: 10px;
        }
    }

    /* Simplified Cart Sidebar */
    .cart-sidebar {
        position: fixed;
        right: -400px;
        top: 0;
        width: 400px;
        height: 100vh;
        background: white;
        box-shadow: -3px 0 15px rgba(0, 0, 0, 0.2);
        transition: right 0.3s ease;
        z-index: 2000;
        display: flex;
        flex-direction: column;
    }

    .cart-sidebar.active {
        right: 0;
    }

    .cart-header {
        padding: 20px;
        background: #f8f8f8;
        border-bottom: 2px solid #DAA520;
        display: flex;
        justify-content: space-between;
        align-items: center;
    }

    .cart-header h3 {
        margin: 0;
        color: #2d2d37;
        font-size: 22px;
    }

    .close-cart {
        background: transparent;
        border: none;
        font-size: 32px;
        color: #666;
        cursor: pointer;
        padding: 0;
        width: 35px;
        height: 35px;
        display: flex;
        align-items: center;
        justify-content: center;
        transition: all 0.3s;
    }

    .close-cart:hover {
        color: #B8860B;
        transform: rotate(90deg);
    }

    .cart-items {
        flex: 1;
        overflow-y: auto;
        padding: 20px;
    }

    .empty-cart {
        text-align: center;
        color: #999;
        padding: 50px 20px;
        font-size: 16px;
    }

    .cart-item {
        background: #f8f8f8;
        padding: 15px;
        margin-bottom: 12px;
        border-radius: 8px;
        display: flex;
        justify-content: space-between;
        align-items: center;
        border-left: 4px solid #DAA520;
    }

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

    .cart-item-name {
        color: #2d2d37;
        font-weight: 600;
        margin-bottom: 8px;
        font-size: 15px;
    }

    .cart-item-details {
        display: flex;
        justify-content: space-between;
        align-items: center;
        margin-top: 8px;
    }

    .cart-item-quantity {
        display: flex;
        align-items: center;
        gap: 8px;
    }

    .qty-btn {
        background: #DAA520;
        border: none;
        color: white;
        width: 24px;
        height: 24px;
        border-radius: 4px;
        cursor: pointer;
        font-size: 14px;
        transition: all 0.3s;
    }

    .qty-btn:hover {
        background: #B8860B;
    }

    .qty-number {
        color: #2d2d37;
        font-weight: bold;
        min-width: 25px;
        text-align: center;
    }

    .cart-item-price {
        color: #B8860B;
        font-weight: bold;
        font-size: 16px;
    }

    .remove-item {
        background: #e74c3c;
        border: none;
        color: white;
        padding: 6px 10px;
        border-radius: 4px;
        cursor: pointer;
        font-size: 12px;
        transition: all 0.3s;
        margin-left: 10px;
    }

    .remove-item:hover {
        background: #c0392b;
    }

    .cart-footer {
        padding: 20px;
        background: #f8f8f8;
        border-top: 2px solid #DAA520;
    }

    .cart-total {
        display: flex;
        justify-content: space-between;
        font-size: 22px;
        font-weight: bold;
        color: #2d2d37;
        margin-bottom: 15px;
        padding-bottom: 15px;
        border-bottom: 1px solid #ddd;
    }

    .cart-total span:last-child {
        color: #B8860B;
    }

    .checkout-btn {
        width: 100%;
        padding: 14px;
        background: #25D366;
        color: white;
        border: none;
        font-size: 17px;
        font-weight: bold;
        cursor: pointer;
        border-radius: 8px;
        transition: all 0.3s;
        margin-bottom: 10px;
        display: flex;
        align-items: center;
        justify-content: center;
        gap: 8px;
    }

    .checkout-btn:hover {
        background: #128C7E;
    }

    .checkout-btn i {
        font-size: 20px;
    }

    .clear-cart-btn {
        width: 100%;
        padding: 12px;
        background: white;
        color: #e74c3c;
        border: 2px solid #e74c3c;
        font-size: 15px;
        font-weight: bold;
        cursor: pointer;
        border-radius: 8px;
        transition: all 0.3s;
    }

    .clear-cart-btn:hover {
        background: #e74c3c;
        color: white;
    }

    .cart-overlay {
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        background: rgba(0, 0, 0, 0.5);
        z-index: 1999;
        display: none;
    }

    .cart-overlay.active {
        display: block;
    }

    .cart-items::-webkit-scrollbar {
        width: 6px;
    }

    .cart-items::-webkit-scrollbar-track {
        background: #f1f1f1;
    }

    .cart-items::-webkit-scrollbar-thumb {
        background: #DAA520;
        border-radius: 3px;
    }

    .cart-items::-webkit-scrollbar-thumb:hover {
        background: #B8860B;
    }

    @media (max-width: 768px) {
        .cart-sidebar {
            width: 100%;
            right: -100%;
        }
    }
/* =======================
   CHECKOUT MODAL
======================= */

.checkout-modal-content {
    max-width: 1100px;
    width: 95%;
}

/* Layout general */
.checkout-container {
    display: flex;
    gap: 40px;
    padding: 40px;
}

/* Columnas */
.checkout-form,
.checkout-summary {
    flex: 1;
}

/* =======================
   FORMULARIO
======================= */

.checkout-form h3 {
    margin-bottom: 20px;
    font-size: 22px;
    color: #2d2d37;
}

.checkout-form .form-group {
    margin-bottom: 15px;
}

.checkout-form label {
    font-weight: bold;
    font-size: 14px;
    display: block;
    margin-bottom: 5px;
}

.checkout-form input,
.checkout-form textarea {
    width: 100%;
    padding: 10px 12px;
    border-radius: 6px;
    border: 1px solid #ccc;
    font-size: 14px;
}

.checkout-form textarea {
    resize: vertical;
    min-height: 80px;
}

/* =======================
   RESUMEN DEL PEDIDO
======================= */

.checkout-summary {
    background: #111;
    color: #fff;
    padding: 25px;
    border-radius: 12px;
}

.checkout-summary h3 {
    margin-bottom: 20px;
    font-size: 20px;
}

.checkout-item {
    display: flex;
    justify-content: space-between;
    margin-bottom: 10px;
    font-size: 14px;
}

.checkout-subtotal,
.checkout-total {
    display: flex;
    justify-content: space-between;
    margin-top: 15px;
}

.checkout-total {
    font-size: 20px;
    font-weight: bold;
}

/* =======================
   BOTÓN DE PAGO
======================= */

.payment-btn {
    width: 100%;
    padding: 15px;
    background: linear-gradient(135deg, #DAA520, #B8860B);
    border: none;
    color: white;
    font-size: 18px;
    font-weight: bold;
    border-radius: 8px;
    cursor: pointer;
    margin-top: 20px;
}

.payment-btn:hover {
    background: linear-gradient(135deg, #FFD700, #DAA520);
}

/* =======================
   RESPONSIVE
======================= */

@media (max-width: 768px) {
    .checkout-container {
        flex-direction: column;
        padding: 20px;
    }
}
/* =======================
   BOTÓN FLOTANTE DE WHATSAPP
======================= */

.whatsapp-float {
    position: fixed;
    bottom: 25px;
    right: 25px;
    width: 60px;
    height: 60px;
    background: #25D366;
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 32px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
    z-index: 1998;
    transition: all 0.3s ease;
    text-decoration: none;
    cursor: pointer;
    animation: pulse-whatsapp 2s infinite;
}

.whatsapp-float:hover {
    background: #128C7E;
    transform: scale(1.1);
    box-shadow: 0 6px 20px rgba(37, 211, 102, 0.4);
}

.whatsapp-float i {
    animation: shake-whatsapp 2s ease infinite;
}

@keyframes pulse-whatsapp {
    0%, 100% {
        box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
    }
    50% {
        box-shadow: 0 4px 20px rgba(37, 211, 102, 0.6);
    }
}

@keyframes shake-whatsapp {
    0%, 100% {
        transform: rotate(0deg);
    }
    10%, 30%, 50%, 70%, 90% {
        transform: rotate(-10deg);
    }
    20%, 40%, 60%, 80% {
        transform: rotate(10deg);
    }
}

@media (max-width: 768px) {
    .whatsapp-float {
        width: 55px;
        height: 55px;
        bottom: 20px;
        right: 20px;
        font-size: 28px;
    }
}