@keyframes float {
            0% { transform: translateY(0px); }
            50% { transform: translateY(-10px); }
            100% { transform: translateY(0px); }
        }
        .floating {
            animation: float 6s ease-in-out infinite;
        }
        .floating-fast {
            animation: float 3s ease-in-out infinite;
        }
        .floating-slow {
            animation: float 8s ease-in-out infinite;
        }
        .whatsapp-btn {
            position: fixed;
            bottom: 30px;
            right: 30px;
            z-index: 1000;
            transition: all 0.3s ease;
        }
        .whatsapp-btn:hover {
            transform: scale(1.1);
        }
        .pulse {
            animation: pulse 2s infinite;
        }
        @keyframes pulse {
            0% { box-shadow: 0 0 0 0 rgba(37, 211, 102, 0.7); }
            70% { box-shadow: 0 0 0 15px rgba(37, 211, 102, 0); }
            100% { box-shadow: 0 0 0 0 rgba(37, 211, 102, 0); }
        }
        .bg-pattern {
            background-color: #f8f9fa;
            background-image: radial-gradient(#000000 1px, transparent 1px);
            background-size: 20px 20px;
        }
        .hover-grow {
            transition: all 0.3s ease;
        }
        .hover-grow:hover {
            transform: translateY(-5px);
        }
        .article-content img {
            max-width: 100%;
            height: auto;
            border-radius: 0.5rem;
            margin: 2rem auto;
            display: block;
        }
        .article-content h2 {
            font-size: 1.75rem;
            font-weight: bold;
            margin: 2rem 0 1rem;
            color: #111827;
        }
        .article-content h3 {
            font-size: 1.5rem;
            font-weight: bold;
            margin: 1.5rem 0 0.75rem;
            color: #111827;
        }
        .article-content p {
            margin-bottom: 1.25rem;
            line-height: 1.6;
            color: #4b5563;
        }
        .article-content ul, .article-content ol {
            margin-bottom: 1.25rem;
            padding-left: 1.5rem;
        }
        .article-content li {
            margin-bottom: 0.5rem;
            line-height: 1.6;
        }
        .article-content blockquote {
            border-left: 4px solid #f59e0b;
            padding-left: 1rem;
            margin: 1.5rem 0;
            font-style: italic;
            color: #4b5563;
        }
        .vehicle-option {
            transition: all 0.3s ease;
        }
        .vehicle-option:hover {
            transform: translateY(-3px);
            box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
        }
        .vehicle-option.selected {
            border: 2px solid #f59e0b;
            background-color: #fef3c7;
        }