.cards-container {
        padding: 80px 0;
        background: #f8f9fa;
    }
    
    .section-title {
        text-align: center;
        color: #17669b;
        font-size: 2.5rem;
        font-weight: 700;
        margin-bottom: 3rem;
        position: relative;
    }
    
    .section-title::after {
        content: '';
        position: absolute;
        bottom: -10px;
        left: 50%;
        transform: translateX(-50%);
        width: 80px;
        height: 4px;
        background: linear-gradient(135deg, #17669b, #0189d3);
        border-radius: 2px;
    }
    
    .data-card {
        background: white;
        border-radius: 20px;
        padding: 2.5rem;
        margin-bottom: 2rem;
        box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
        transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
        position: relative;
        overflow: hidden;
        border: 1px solid rgba(23, 102, 155, 0.1);
        cursor: pointer;
    }
    
    .data-card:hover {
        transform: translateY(-15px) scale(1.02);
        box-shadow: 0 25px 50px rgba(23, 102, 155, 0.2);
        border-color: #17669b;
    }
    
    .data-card::before {
        content: '';
        position: absolute;
        top: 0;
        left: 0;
        right: 0;
        height: 5px;
        background: linear-gradient(135deg, #17669b, #0189d3);
        border-radius: 20px 20px 0 0;
        transform: scaleX(0);
        transition: transform 0.3s ease;
    }
    
    .data-card:hover::before {
        transform: scaleX(1);
    }
    
    .card-icon {
        width: 90px;
        height: 90px;
        background: #FDD632; 
        border-radius: 50%;
        display: flex;
        align-items: center;
        justify-content: center;
        margin: 0 auto 2rem;
        font-size: 2.5rem;
        color: #17669b;
        box-shadow: 0 10px 25px rgba(23, 102, 155, 0.3);
        transition: all 0.3s ease;
    }
    
    .data-card:hover .card-icon {
        transform: rotateY(360deg) scale(1.1);
        box-shadow: 0 15px 35px rgba(23, 102, 155, 0.5);
    }
    
    .card-title {
        color: #2c3e50;
        font-size: 1.4rem;
        font-weight: 700;
        margin-bottom: 1rem;
        text-align: center;
        line-height: 1.4;
        transition: color 0.3s ease;
    }
    
    .data-card:hover .card-title {
        color: #17669b;
    }
    
    .card-description {
        color: #6c757d;
        font-size: 1rem;
        line-height: 1.6;
        text-align: center;
        margin-bottom: 1.5rem;
    }
    
    .card-link {
        display: inline-block;
        background: linear-gradient(135deg, #17669b, #0189d3);
        color: white;
        padding: 12px 30px;
        border-radius: 25px;
        text-decoration: none;
        font-weight: 600;
        transition: all 0.3s ease;
        box-shadow: 0 5px 15px rgba(23, 102, 155, 0.3);
        position: relative;
        overflow: hidden;
    }
    
    .card-link::before {
        content: '';
        position: absolute;
        top: 0;
        left: -100%;
        width: 100%;
        height: 100%;
        background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
        transition: left 0.5s;
    }
    
    .card-link:hover::before {
        left: 100%;
    }
    
    .card-link:hover {
        transform: translateY(-2px);
        box-shadow: 0 8px 25px rgba(23, 102, 155, 0.4);
        text-decoration: none;
        color: white;
    }
    
    .statistics-section {
        background: white;
        padding: 60px 0;
        margin: 40px 0;
    }
    
    .stat-item {
        text-align: center;
        padding: 2rem;
    }
    
    .stat-number {
        font-size: 3rem;
        font-weight: 700;
        color: #17669b;
        display: block;
    }
    
    .stat-label {
        font-size: 1.1rem;
        color: #6c757d;
        margin-top: 0.5rem;
    }
    
    @media (max-width: 768px) {
        .hero-title {
            font-size: 2.5rem;
        }
        
        .hero-subtitle {
            font-size: 1.1rem;
        }
        
        .data-card {
            padding: 2rem;
        }
        
        .card-icon {
            width: 70px;
            height: 70px;
            font-size: 2rem;
        }
        
        .card-title {
            font-size: 1.2rem;
        }
    }

    /* Filtro de Escala de Cinza */
    .grayscale-filter {
        filter: grayscale(100%);
        background-color: #000000 !important;
        transition: all 0.5s ease;
    }

    .grayscale-filter .hero-section,
    .grayscale-filter .cards-container,
    .grayscale-filter .statistics-section {
        background-color: #000000 !important;
    }

    .grayscale-filter .data-card {
        background-color: #1a1a1a !important;
        color: #ffffff !important;
    }

    .grayscale-filter .card-title {
        color: #ffffff !important;
    }

    .grayscale-filter .card-description {
        color: #cccccc !important;
    }

    .grayscale-filter .section-title {
        color: #ffffff !important;
    }

    .filter-toggle-btn {
        position: fixed;
        top: 20px;
        right: 20px;
        background: linear-gradient(135deg, #17669b, #0189d3);
        color: white;
        border: none;
        padding: 12px 20px;
        border-radius: 25px;
        font-size: 14px;
        font-weight: 600;
        cursor: pointer;
        box-shadow: 0 5px 15px rgba(23, 102, 155, 0.3);
        transition: all 0.3s ease;
        z-index: 1000;
        display: flex;
        align-items: center;
        gap: 8px;
    }

    .filter-toggle-btn:hover {
        transform: translateY(-2px);
        box-shadow: 0 8px 25px rgba(23, 102, 155, 0.4);
    }

    .filter-toggle-btn i {
        font-size: 16px;
    }

    .filter-toggle-btn.active {
        background: linear-gradient(135deg, #6c757d, #495057);
    }

    @media (max-width: 768px) {
        .filter-toggle-btn {
            top: 10px;
            right: 10px;
            padding: 10px 16px;
            font-size: 12px;
        }
    }