/* Hero Section */
        .hero {
            position: relative;
            z-index: 10;
            padding: 120px 5% 80px;
            text-align: center;
            max-width: 1200px;
            margin: 0 auto;
        }

        .hero h1 {
            font-family: 'Exo 2', sans-serif;
            font-size: 3.5rem;
            font-weight: 700;
            background: linear-gradient(to right, var(--tech-blue), var(--innovation-purple));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            margin-bottom: 20px;
            line-height: 1.2;
        }

        .hero p {
            font-size: 1.2rem;
            color: var(--text-muted);
            max-width: 800px;
            margin: 0 auto 40px;
        }

        .cta-buttons {
            display: flex;
            justify-content: center;
            gap: 20px;
            flex-wrap: wrap;
        }

        .btn {
            padding: 15px 35px;
            font-family: 'Exo 2', sans-serif;
            font-weight: 600;
            font-size: 1.1rem;
            border-radius: 50px;
            cursor: pointer;
            transition: all 0.3s ease;
        }

        .btn-primary {
            background: linear-gradient(135deg, var(--tech-blue) 0%, var(--innovation-purple) 100%);
            color: white;
            border: none;
            box-shadow: 0 4px 15px rgba(59, 130, 246, 0.3);
        }

        .btn-primary:hover {
            transform: translateY(-5px);
            box-shadow: 0 8px 25px rgba(59, 130, 246, 0.5);
        }

        .btn-outline {
            background: transparent;
            border: 2px solid var(--tech-blue);
            color: var(--text-light);
        }

        .btn-outline:hover {
            background: rgba(59, 130, 246, 0.1);
            transform: translateY(-5px);
        }

        /* Categorias */
        .categories {
            position: relative;
            z-index: 10;
            max-width: 1400px;
            margin: 0 auto 60px;
            padding: 0 5%;
        }

        .section-title {
            font-family: 'Exo 2', sans-serif;
            font-size: 2.2rem;
            font-weight: 700;
            margin-bottom: 40px;
            background: linear-gradient(to right, var(--tech-blue), var(--innovation-purple));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            text-align: center;
        }

        .categories-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
            gap: 30px;
        }

        .category-card {
            background: var(--card-bg);
            border-radius: 20px;
            overflow: hidden;
            border: 1px solid var(--border-color);
            transition: all 0.3s ease;
            backdrop-filter: blur(5px);
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
            text-align: center;
            padding: 40px 30px;
            display: flex;
            flex-direction: column;
            align-items: center;
        }

        .category-card:hover {
            transform: translateY(-10px);
            border-color: var(--tech-blue);
            box-shadow: 0 15px 30px rgba(0, 0, 0, 0.3);
        }

        .category-icon {
            width: 80px;
            height: 80px;
            background: rgba(59, 130, 246, 0.1);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 25px;
            font-size: 2rem;
            color: var(--tech-blue);
        }

        .category-title {
            font-family: 'Exo 2', sans-serif;
            font-size: 1.5rem;
            font-weight: 700;
            margin-bottom: 15px;
            color: white;
        }

        .category-description {
            color: var(--text-muted);
            margin-bottom: 25px;
            line-height: 1.7;
        }

        .category-count {
            background: rgba(59, 130, 246, 0.15);
            color: var(--tech-blue);
            padding: 8px 20px;
            border-radius: 30px;
            font-weight: 600;
        }

        /* Filtros */
        .filters {
            position: relative;
            z-index: 10;
            max-width: 1400px;
            margin: 0 auto 40px;
            padding: 0 5%;
        }

        .filters-container {
            background: var(--card-bg);
            border: 1px solid var(--border-color);
            border-radius: 20px;
            padding: 30px;
            backdrop-filter: blur(5px);
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
        }

        .filters-row {
            display: flex;
            flex-wrap: wrap;
            gap: 20px;
            margin-bottom: 30px;
        }

        .filter-group {
            flex: 1;
            min-width: 250px;
        }

        .filter-group label {
            display: block;
            margin-bottom: 10px;
            color: var(--text-light);
            font-weight: 500;
        }

        .filter-select {
            width: 100%;
            padding: 15px 20px;
            background: rgba(26, 42, 79, 0.4);
            border: 1px solid var(--border-color);
            border-radius: 10px;
            color: var(--text-light);
            font-family: 'Poppins', sans-serif;
            font-size: 1rem;
            transition: all 0.3s ease;
        }

        .filter-select:focus {
            outline: none;
            border-color: var(--innovation-purple);
            box-shadow: 0 0 0 3px rgba(139, 92, 246, 0.2);
        }

        .search-courses {
            display: flex;
            gap: 15px;
        }

        .search-courses input {
            flex: 1;
            padding: 15px 25px;
            background: rgba(26, 42, 79, 0.4);
            border: 1px solid var(--border-color);
            border-radius: 50px;
            color: var(--text-light);
            font-size: 1rem;
        }

        .search-courses input:focus {
            outline: none;
            border-color: var(--innovation-purple);
        }

        .search-courses button {
            background: linear-gradient(135deg, var(--tech-blue) 0%, var(--innovation-purple) 100%);
            color: white;
            border: none;
            border-radius: 50px;
            padding: 15px 35px;
            font-weight: 600;
            font-size: 1.1rem;
            cursor: pointer;
            transition: all 0.3s ease;
        }

        .search-courses button:hover {
            transform: translateY(-3px);
            box-shadow: 0 5px 15px rgba(59, 130, 246, 0.4);
        }

        /* Cursos */
        .courses-section {
            position: relative;
            z-index: 10;
            max-width: 1400px;
            margin: 0 auto 80px;
            padding: 0 5%;
        }

        .courses-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
            gap: 30px;
        }

        .course-card {
            background: var(--card-bg);
            border-radius: 20px;
            overflow: hidden;
            border: 1px solid var(--border-color);
            transition: all 0.3s ease;
            backdrop-filter: blur(5px);
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
        }

        .course-card:hover {
            transform: translateY(-10px);
            border-color: var(--tech-blue);
            box-shadow: 0 15px 30px rgba(0, 0, 0, 0.3);
        }

        .course-image {
            height: 200px;
            background: linear-gradient(135deg, #1a2a4f 0%, #0d1b33 100%);
            position: relative;
            overflow: hidden;
        }

        .course-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }

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

        .course-badge {
            position: absolute;
            top: 20px;
            right: 20px;
            background: var(--innovation-purple);
            color: white;
            padding: 5px 15px;
            border-radius: 30px;
            font-size: 0.85rem;
            font-weight: 600;
        }

        .course-content {
            padding: 25px;
        }

        .course-category {
            display: inline-block;
            background: rgba(59, 130, 246, 0.15);
            color: var(--tech-blue);
            padding: 5px 15px;
            border-radius: 30px;
            font-size: 0.85rem;
            margin-bottom: 15px;
        }

        .course-title {
            font-family: 'Exo 2', sans-serif;
            font-size: 1.5rem;
            font-weight: 700;
            margin-bottom: 15px;
            color: white;
        }

        .course-description {
            color: var(--text-muted);
            margin-bottom: 20px;
            line-height: 1.7;
        }

        .course-meta {
            display: flex;
            justify-content: space-between;
            color: var(--text-muted);
            font-size: 0.9rem;
            margin-bottom: 20px;
        }

        .course-footer {
            display: flex;
            justify-content: space-between;
            align-items: center;
            border-top: 1px solid var(--border-color);
            padding-top: 20px;
            margin-top: 20px;
        }

        .course-price {
            font-family: 'Exo 2', sans-serif;
            font-size: 1.8rem;
            font-weight: 700;
            color: white;
        }

        .course-price .free {
            color: var(--tech-blue);
        }

        .enroll-btn {
            background: linear-gradient(135deg, var(--tech-blue) 0%, var(--innovation-purple) 100%);
            color: white;
            border: none;
            border-radius: 10px;
            padding: 10px 25px;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.3s ease;
        }

        .enroll-btn:hover {
            transform: translateY(-3px);
            box-shadow: 0 5px 15px rgba(59, 130, 246, 0.4);
        }

        /* Testemunhos */
        .testimonials {
            position: relative;
            z-index: 10;
            max-width: 1400px;
            margin: 0 auto 80px;
            padding: 0 5%;
        }

        .testimonials-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
            gap: 30px;
        }

        .testimonial-card {
            background: var(--card-bg);
            border-radius: 20px;
            border: 1px solid var(--border-color);
            padding: 30px;
            backdrop-filter: blur(5px);
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
            transition: all 0.3s ease;
        }

        .testimonial-card:hover {
            transform: translateY(-10px);
            border-color: var(--tech-blue);
        }

        .testimonial-content {
            color: var(--text-muted);
            font-style: italic;
            margin-bottom: 25px;
            line-height: 1.7;
            position: relative;
        }

        .testimonial-content:before {
            content: """;
            position: absolute;
            top: -20px;
            left: -10px;
            font-size: 4rem;
            color: rgba(59, 130, 246, 0.1);
            font-family: Georgia, serif;
        }

        .testimonial-author {
            display: flex;
            align-items: center;
            gap: 15px;
        }

        .author-avatar {
            width: 60px;
            height: 60px;
            border-radius: 50%;
            background: var(--tech-blue);
            display: flex;
            align-items: center;
            justify-content: center;
            color: white;
            font-weight: 600;
            font-size: 1.5rem;
        }

        .author-info h4 {
            color: white;
            margin-bottom: 5px;
        }

        .author-info p {
            color: var(--text-muted);
            font-size: 0.9rem;
        }

        /* CTA Section */
        .cta-section {
            position: relative;
            z-index: 10;
            background: linear-gradient(135deg, rgba(26, 42, 79, 0.8) 0%, rgba(13, 27, 51, 0.9) 100%);
            border: 1px solid var(--border-color);
            border-radius: 20px;
            padding: 80px 50px;
            max-width: 1200px;
            margin: 0 auto 80px;
            text-align: center;
            backdrop-filter: blur(5px);
            box-shadow: 0 15px 35px rgba(0, 0, 0, 0.3);
        }

        .cta-section h2 {
            font-family: 'Exo 2', sans-serif;
            font-size: 2.5rem;
            font-weight: 700;
            margin-bottom: 20px;
            background: linear-gradient(to right, var(--tech-blue), var(--innovation-purple));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .cta-section p {
            color: var(--text-muted);
            max-width: 700px;
            margin: 0 auto 30px;
            font-size: 1.1rem;
        }

    .hidden-element {
        display: none;
    }