/* Hero Section para detalhes do curso */
        .course-hero {
            position: relative;
            z-index: 10;
            padding: 80px 5% 50px;
            max-width: 1400px;
            margin: 0 auto;
            display: flex;
            flex-wrap: wrap;
            gap: 40px;
        }

        .course-hero-left {
            flex: 1;
            min-width: 300px;
        }

        .course-hero-right {
            flex: 1;
            min-width: 300px;
            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);
            max-height: 600px;
            position: sticky;
            top: 100px;
        }

        .course-badge {
            display: inline-block;
            background: var(--innovation-purple);
            color: white;
            padding: 8px 20px;
            border-radius: 30px;
            font-size: 0.9rem;
            font-weight: 600;
            margin: 0 0 20px;
        }

        .course-title {
            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;
        }

        .course-excerpt {
            font-size: 1.2rem;
            color: var(--text-muted);
            margin-bottom: 25px;
            line-height: 1.8;
        }

        .course-stats {
            display: flex;
            flex-wrap: wrap;
            gap: 20px;
            margin-bottom: 30px;
        }

        .stat-box {
            display: flex;
            align-items: center;
            gap: 10px;
            background: rgba(26, 42, 79, 0.4);
            padding: 12px 20px;
            border-radius: 15px;
            border: 1px solid var(--border-color);
        }

        .stat-box i {
            color: var(--tech-blue);
            font-size: 1.2rem;
        }

        .stat-text {
            display: flex;
            flex-direction: column;
        }

        .stat-value {
            font-weight: 600;
            font-size: 1.1rem;
        }

        .stat-label {
            color: var(--text-muted);
            font-size: 0.9rem;
        }

        .rating {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 25px;
        }

        .stars {
            display: flex;
            gap: 3px;
            color: #FFD700;
        }

        .rating-text {
            color: var(--text-light);
            font-weight: 500;
        }

        .rating-count {
            color: var(--text-muted);
            font-size: 0.9rem;
        }

        /* Seção do Vídeo de Apresentação */
        .video-presentation {
            margin: 30px 0;
            border-radius: 20px;
            overflow: hidden;
            box-shadow: 0 15px 30px rgba(0, 0, 0, 0.3);
            position: relative;
            background: #000;
        }

        .video-container {
            position: relative;
            padding-top: 56.25%; /* 16:9 Aspect Ratio */
        }

        .video-placeholder {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: linear-gradient(135deg, #1a2a4f 0%, #0d1b33 100%);
            display: flex;
            flex-direction: column;
            justify-content: center;
            align-items: center;
            color: white;
            cursor: pointer;
            transition: all 0.3s ease;
        }

        .video-placeholder:hover {
            background: linear-gradient(135deg, #1f3461 0%, #0f2248 100%);
        }

        .video-placeholder i {
            font-size: 5rem;
            color: var(--tech-blue);
            margin-bottom: 20px;
            text-shadow: 0 0 20px rgba(59, 130, 246, 0.7);
        }

        .video-placeholder h3 {
            font-size: 1.5rem;
            margin-bottom: 10px;
        }

        .video-placeholder p {
            color: var(--text-muted);
            max-width: 80%;
            text-align: center;
        }

        .course-price {
            font-family: 'Exo 2', sans-serif;
            font-size: 2.5rem;
            font-weight: 700;
            color: white;
            margin-bottom: 25px;
        }

        .course-price .free {
            color: var(--success-green);
        }

        .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;
            display: inline-block;
            text-align: center;
            width: 100%;
            margin-bottom: 15px;
        }

        .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);
        }

        .course-includes {
            margin-top: 25px;
        }

        .includes-title {
            font-size: 1.2rem;
            margin-bottom: 15px;
            color: white;
            font-weight: 600;
        }

        .includes-list {
            list-style: none;
        }

        .includes-list li {
            padding: 10px 0;
            display: flex;
            align-items: center;
            gap: 10px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.05);
        }

        .includes-list li i {
            color: var(--success-green);
        }

        /* Seções de conteúdo do curso */
        .course-content {
            position: relative;
            z-index: 10;
            max-width: 1400px;
            margin: 0 auto 80px;
            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;
        }

        .course-tabs {
            display: flex;
            gap: 10px;
            margin-bottom: 30px;
            flex-wrap: wrap;
        }

        .tab-btn {
            background: var(--card-bg);
            border: 1px solid var(--border-color);
            color: var(--text-muted);
            padding: 12px 25px;
            border-radius: 50px;
            cursor: pointer;
            transition: all 0.3s ease;
            font-weight: 500;
        }

        .tab-btn.active, .tab-btn:hover {
            background: linear-gradient(135deg, var(--tech-blue) 0%, var(--innovation-purple) 100%);
            color: white;
            border-color: transparent;
        }

        .tab-content {
            background: var(--card-bg);
            border: 1px solid var(--border-color);
            border-radius: 20px;
            padding: 40px;
            backdrop-filter: blur(5px);
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
            display: none;
        }

        .tab-content.active {
            display: block;
        }

        .what-you-learn {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
            gap: 20px;
            margin: 30px 0;
        }

        .learn-item {
            display: flex;
            gap: 15px;
        }

        .learn-item i {
            color: var(--success-green);
            font-size: 1.2rem;
            margin-top: 3px;
        }

        .requirements-list {
            list-style: none;
            margin: 20px 0;
        }

        .requirements-list li {
            padding: 10px 0;
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .requirements-list li i {
            color: var(--tech-blue);
        }

        .curriculum {
            margin-top: 30px;
        }

        .module {
            background: rgba(26, 42, 79, 0.4);
            border-radius: 15px;
            overflow: hidden;
            margin-bottom: 20px;
        }

        .module-header {
            padding: 20px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            cursor: pointer;
            border-bottom: 1px solid var(--border-color);
        }

        .module-header.active {
            background: rgba(59, 130, 246, 0.15);
        }

        .module-title {
            font-weight: 600;
            font-size: 1.1rem;
        }

        .module-content {
            padding: 0 20px;
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease;
        }

        .module-content.active {
            padding: 20px;
            max-height: 1000px;
        }

        .lesson {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 15px 0;
            border-bottom: 1px solid rgba(255, 255, 255, 0.05);
        }

        .lesson:last-child {
            border-bottom: none;
        }

        .lesson-title {
            display: flex;
            align-items: center;
            gap: 15px;
        }

        .lesson-title i {
            color: var(--tech-blue);
            width: 20px;
        }

        .lesson-duration {
            color: var(--text-muted);
            font-size: 0.9rem;
        }

        .instructor-profile {
            display: flex;
            gap: 30px;
            align-items: center;
            margin: 40px 0;
            flex-wrap: wrap;
        }

        .instructor-avatar {
            width: 150px;
            height: 150px;
            border-radius: 50%;
            overflow: hidden;
            border: 3px solid var(--tech-blue);
            flex-shrink: 0;
        }

        .instructor-avatar img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .instructor-info {
            flex: 1;
            min-width: 300px;
        }

        .instructor-name {
            font-size: 1.8rem;
            font-weight: 700;
            margin-bottom: 10px;
            background: linear-gradient(to right, var(--tech-blue), var(--innovation-purple));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .instructor-title {
            color: var(--text-muted);
            margin-bottom: 20px;
            font-size: 1.1rem;
        }

        .instructor-bio {
            color: var(--text-light);
            line-height: 1.8;
            margin-bottom: 20px;
        }

        .instructor-stats {
            display: flex;
            gap: 30px;
        }

        .stat-item {
            text-align: center;
        }

        .stat-value {
            font-size: 2rem;
            font-weight: 700;
            color: var(--tech-blue);
        }

        .stat-label {
            color: var(--text-muted);
            font-size: 0.9rem;
        }

        .testimonials-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
            gap: 30px;
            margin-top: 40px;
        }

        .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-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;
        }

        /* Cursos relacionados */
        .related-courses {
            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);
        }