body {
            font-family: 'Montserrat', sans-serif;
            scroll-behavior: smooth;
        }
        
         .hero-section {
        background-image: linear-gradient(rgba(0, 0, 0, 0.5), rgba(0, 0, 0, 0.5)), url('https://images.unsplash.com/photo-1575429198097-0414ec08e8cd?ixlib=rb-1.2.1&auto=format&fit=crop&w=1950&q=80');
        background-size: cover;
        background-position: center;
        height: 100vh;
    }
    
    .service-card {
        transition: all 0.3s ease;
    }
    
    .service-card:hover {
        transform: translateY(-10px);
        box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    }
    
    .portfolio-item {
        overflow: hidden;
        position: relative;
    }
    
    .portfolio-item img {
        transition: transform 0.5s ease;
    }
    
    .portfolio-item:hover img {
        transform: scale(1.05);
    }
    
    .portfolio-caption {
        position: absolute;
        bottom: 0;
        left: 0;
        right: 0;
        background: rgba(0, 135, 255, 0.8);
        color: white;
        padding: 10px;
        transform: translateY(100%);
        transition: transform 0.3s ease;
    }
    
    .portfolio-item:hover .portfolio-caption {
        transform: translateY(0);
    }
    
    .testimonial-card {
        transition: all 0.3s ease;
    }
    
    .testimonial-card:hover {
        transform: scale(1.03);
    }
    
    .whatsapp-button {
        position: fixed;
        bottom: 20px;
        right: 20px;
        z-index: 100;
        animation: pulse 2s infinite;
    }
    
    @keyframes pulse {
        0% {
            transform: scale(1);
            box-shadow: 0 0 0 0 rgba(255, 135, 0, 0.7);
        }
        70% {
            transform: scale(1.05);
            box-shadow: 0 0 0 10px rgba(255, 135, 0, 0);
        }
        100% {
            transform: scale(1);
            box-shadow: 0 0 0 0 rgba(255, 135, 0, 0);
        }
    }
    
    .logo {
        width: 60px;
        height: 35px;
    }

    .piscinas {
        color: #ff8700;
    }

    .nav-nav {
        background: rgba(255, 255, 255, 0.2);
    }

    .nav-link {
        position: relative;
    }
    
    .nav-link::after {
        content: '';
        position: absolute;
        width: 0;
        height: 2px;
        bottom: -2px;
        left: 0;
        background-color: #ff8700;
        transition: width 0.3s ease;
    }
    
    .nav-link:hover::after {
        width: 100%;
    }
    
    .section-title {
        position: relative;
        display: inline-block;
    }
    
    .section-title::after {
        content: '';
        position: absolute;
        width: 50%;
        height: 3px;
        bottom: -10px;
        left: 25%;
        background-color: #ff8700;
    }
    
    /* Mobile menu */
    .mobile-menu {
        transition: transform 0.3s ease-in-out;
        transform: translateX(-100%);
    }
    
    .mobile-menu.active {
        transform: translateX(0);
    }