.btn-lg {
            padding: 16px 32px;
            font-size: 1rem;
            border-radius: var(--radius-full);
        }

        .btn-full {
            width: 100%;
        }

        /* Badges */
        .badge {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 6px 12px;
            border-radius: var(--radius-full);
            font-size: 0.75rem;
            font-weight: 600;
            text-transform: uppercase;
            letter-spacing: 0.5px;
            line-height: 1;
        }

        .badge-free {
            background: rgba(37, 99, 235, 0.1);
            color: #2563EB;
            border: 1px solid rgba(37, 99, 235, 0.2);
        }

        .badge-paid {
            background: rgba(244, 180, 0, 0.15);
            color: #F4B400;
            border: 1px solid rgba(244, 180, 0, 0.3);
        }

        .badge-popular {
            background: rgba(37, 99, 235, 0.1);
            color: #2563EB;
            border: 1px solid rgba(37, 99, 235, 0.2);
        }

        .badge-new {
            background: rgba(37, 99, 235, 0.1);
            color: #2563EB;
            border: 1px solid rgba(37, 99, 235, 0.2);
        }

        .badge-about {
            background: rgba(16, 59, 115, 0.15);
            color: #103B73;
            border: 1px solid rgba(16, 59, 115, 0.25);
        }

        .badge-instructors {
            background: rgba(244, 180, 0, 0.15);
            color: #F4B400;
            border: 1px solid rgba(244, 180, 0, 0.3);
        }

        .badge-section {
            margin-bottom: 16px;
            font-size: 0.8125rem;
            padding: 8px 16px;
        }

        /* Header - Mobile First */
        header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            background: var(--white);
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
            border-bottom: 1px solid var(--border);
            z-index: 1000;
            padding: 16px 0;
            box-shadow: var(--shadow-sm);
        }

        .header-content {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
        }

        .logo {
            display: flex;
            align-items: center;
            gap: 8px;
            text-decoration: none;
            flex-shrink: 0;
        }

        .logo-icon {
            width: 36px;
            height: 36px;
            background: linear-gradient(135deg, var(--primary), var(--accent));
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--white);
            font-size: 18px;
        }

        .logo-text {
            font-size: 1.25rem;
            font-weight: 700;
            color: var(--text);
        }

        .logo-text span {
            color: var(--primary);
        }

        /* Mobile Navigation */
        .mobile-menu-btn {
            width: 44px;
            height: 44px;
            border-radius: var(--radius);
            display: flex;
            align-items: center;
            justify-content: center;
            background: var(--light);
            color: var(--text);
            transition: var(--transition-fast);
            flex-shrink: 0;
        }

        .mobile-menu-btn:hover {
            background: var(--light-gray);
        }

        .mobile-menu-btn i {
            font-size: 1.25rem;
        }

        /* Desktop Navigation - Hidden on Mobile */
        .desktop-nav {
            display: none;
        }

        .nav-links {
            display: flex;
            flex-direction: column;
            gap: 4px;
        }

        .nav-link {
            padding: 12px 16px;
            color: var(--text-light);
            font-weight: 500;
            border-radius: var(--radius);
            transition: var(--transition-fast);
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .nav-link:hover,
        .nav-link.active {
            color: var(--primary);
            background: var(--primary-extra-light);
        }

        .nav-link i {
            font-size: 1.125rem;
            width: 24px;
        }

        /* Mobile Menu Overlay */
        .mobile-menu-overlay {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: var(--overlay);
            z-index: 999;
            opacity: 0;
            visibility: hidden;
            transition: var(--transition);
        }

        .mobile-menu-overlay.active {
            opacity: 1;
            visibility: visible;
        }

        .mobile-menu {
            position: fixed;
            top: 0;
            right: -100%;
            width: 280px;
            height: 100%;
            background: var(--white);
            z-index: 1000;
            padding: 24px;
            transition: var(--transition);
            box-shadow: var(--shadow-lg);
            display: flex;
            flex-direction: column;
        }

        .mobile-menu.active {
            right: 0;
        }

        .mobile-menu-header {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-bottom: 32px;
            padding-bottom: 16px;
            border-bottom: 1px solid var(--border);
        }

        .mobile-menu-close {
            width: 44px;
            height: 44px;
            border-radius: var(--radius);
            display: flex;
            align-items: center;
            justify-content: center;
            background: var(--light);
            color: var(--text);
            transition: var(--transition-fast);
        }

        .mobile-menu-close:hover {
            background: var(--light-gray);
        }

        /* Search - Mobile First */
        .search-container {
            position: relative;
            margin-bottom: 24px;
        }

        .search-input {
            width: 100%;
            padding: 12px 16px 12px 48px;
            border: 2px solid var(--border);
            border-radius: var(--radius-full);
            font-size: 0.9375rem;
            background: var(--light);
            transition: var(--transition-fast);
        }

        .search-input:focus {
            outline: none;
            border-color: var(--primary);
            background: var(--white);
            box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.1);
        }

        .search-icon {
            position: absolute;
            left: 16px;
            top: 50%;
            transform: translateY(-50%);
            color: var(--text-lighter);
            pointer-events: none;
        }

        /* Hero Section - Mobile First */
        .hero {
            padding: 14px 0 80px;
            background: linear-gradient(135deg, #E8F1FF 0%, #F8FAFC 50%, #E8F1FF 100%);
            position: relative;
            overflow: hidden;
        }

        .hero-content {
            position: relative;
            z-index: 1;
        }

        .hero-text h1 {
            font-size: 2.5rem;
            margin-bottom: 20px;
            line-height: 1.1;
            color: #1F2937;
        }

        .hero-text h1 span {
            background: linear-gradient(135deg, #2563EB, #103B73);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .hero-text p {
            font-size: 1.125rem;
            color: #6B7280;
            margin-bottom: 32px;
            line-height: 1.6;
        }

        .hero-buttons {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            margin-bottom: 40px;
        }

        .hero-stats {
            display: flex;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 20px;
            margin-top: 40px;
            padding-top: 32px;
            border-top: 1px solid #D1D5DB;
        }

        .stat-item {
            flex: 1;
            min-width: 120px;
            text-align: center;
        }

        .stat-number {
            font-size: 2rem;
            font-weight: 700;
            color: #2563EB;
            margin-bottom: 4px;
            line-height: 1;
        }

        .stat-label {
            font-size: 0.875rem;
            color: #6B7280;
        }

        .hero-image {
            margin-top: 48px;
            position: relative;
        }

        /* Image Gallery Styles */
        .image-gallery {
            position: relative;
            width: 100%;
            border-radius: var(--radius-xl);
            overflow: hidden;
            box-shadow: var(--shadow-lg);
        }

        .gallery-track {
            display: flex;
            transition: transform var(--transition-slow);
            height: 400px;
        }

        .gallery-slide {
            min-width: 100%;
            position: relative;
            overflow: hidden;
        }

        .gallery-image {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 8s ease;
        }

        .gallery-slide.active .gallery-image {
            transform: scale(1.05);
        }

        .gallery-overlay {
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            background: linear-gradient(to top, rgba(0, 0, 0, 0.8), transparent);
            padding: 40px 32px 32px;
            color: white;
            transform: translateY(20px);
            opacity: 0;
            transition: all var(--transition);
        }

        .gallery-slide.active .gallery-overlay {
            transform: translateY(0);
            opacity: 1;
        }

        .gallery-title {
            font-size: 1.5rem;
            font-weight: 700;
            margin-bottom: 8px;
            color: white;
        }

        .gallery-description {
            font-size: 0.875rem;
            opacity: 0.9;
            margin-bottom: 16px;
            line-height: 1.5;
        }

        .gallery-badges {
            display: flex;
            gap: 8px;
            flex-wrap: wrap;
        }

        .gallery-controls {
            position: absolute;
            top: 24px;
            right: 24px;
            display: flex;
            gap: 12px;
            z-index: 2;
        }

        .gallery-btn {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.2);
            backdrop-filter: blur(10px);
            border: 1px solid rgba(255, 255, 255, 0.3);
            color: white;
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            transition: var(--transition);
        }

        .gallery-btn:hover {
            background: #2563EB;
            transform: translateY(-2px);
        }

        .gallery-dots {
            position: absolute;
            bottom: 24px;
            left: 50%;
            transform: translateX(-50%);
            display: flex;
            gap: 8px;
            z-index: 2;
        }

        .gallery-dot {
            width: 10px;
            height: 10px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.3);
            cursor: pointer;
            transition: var(--transition);
        }

        .gallery-dot.active {
            background: white;
            transform: scale(1.2);
        }

        /* Section Title - Brand Colors */
        .section-title h2 {
            color: #1F2937;
        }

        .section-subtitle {
            color: #6B7280;
        }

        /* About Section */
        .about-section {
            background: linear-gradient(180deg, #F8FAFC 0%, #E8F1FF 50%, #F8FAFC 100%);
            position: relative;
            overflow: hidden;
        }

        .about-section::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 4px;
            background: linear-gradient(90deg, #F4B400, #FFD166, #F4B400);
            opacity: 0.8;
        }

        .about-wrapper {
            display: flex;
            flex-direction: column;
            gap: 48px;
            align-items: center;
        }

        .about-intro {
            text-align: center;
            max-width: 640px;
        }

        .about-intro .badge {
            margin-bottom: 16px;
        }

        .about-intro h2 {
            font-size: 2rem;
            color: #1F2937;
            margin-bottom: 20px;
            line-height: 1.2;
        }

        .about-intro h2::after {
            content: '';
            display: block;
            width: 60px;
            height: 4px;
            background: linear-gradient(90deg, #F4B400, #FFD166);
            border-radius: 2px;
            margin: 16px auto 0;
        }

        .about-description {
            font-size: 1.0625rem;
            color: #6B7280;
            line-height: 1.7;
        }

        .about-stats {
            display: grid;
            grid-template-columns: 1fr;
            gap: 24px;
            width: 100%;
            max-width: 900px;
        }

        .about-stat-card {
            background: var(--white);
            padding: 32px 24px;
            border-radius: 20px;
            text-align: center;
            box-shadow: 0 4px 20px rgba(37, 99, 235, 0.08);
            border: 1px solid rgba(37, 99, 235, 0.1);
            transition: all 0.3s ease;
            position: relative;
            overflow: hidden;
        }

        .about-stat-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: linear-gradient(90deg, #2563EB, #103B73);
            opacity: 0;
            transition: opacity 0.3s ease;
        }

        .about-stat-card:hover {
            transform: translateY(-6px);
            box-shadow: 0 12px 40px rgba(37, 99, 235, 0.15);
            border-color: rgba(37, 99, 235, 0.2);
        }

        .about-stat-card:hover::before {
            opacity: 1;
        }

        .about-stat-icon {
            width: 64px;
            height: 64px;
            margin: 0 auto 20px;
            background: linear-gradient(135deg, #E8F1FF, rgba(37, 99, 235, 0.1));
            border-radius: 16px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #2563EB;
            font-size: 1.75rem;
            transition: all 0.3s ease;
        }

        .about-stat-card:hover .about-stat-icon {
            background: linear-gradient(135deg, #2563EB, #103B73);
            color: var(--white);
            transform: scale(1.05);
        }

        .about-stat-number {
            display: block;
            font-size: 2.5rem;
            font-weight: 700;
            color: #2563EB;
            line-height: 1.1;
            margin-bottom: 8px;
            letter-spacing: -0.02em;
        }

        .about-stat-label {
            font-size: 1rem;
            font-weight: 600;
            color: #6B7280;
            text-transform: uppercase;
            letter-spacing: 0.5px;
        }

        /* Instructors Section */
        .instructors-section {
            background: #E8F1FF;
        }

        .instructors-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 24px;
            margin-top: 32px;
        }

        .instructor-card {
            background: var(--white);
            padding: 32px 24px;
            border-radius: var(--radius-lg);
            text-align: center;
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.06);
            border: 1px solid #D1D5DB;
            transition: var(--transition);
        }

        .instructor-card:hover {
            transform: translateY(-4px);
            box-shadow: 0 8px 24px rgba(37, 99, 235, 0.12);
            border-color: #2563EB;
        }

        .instructor-avatar-lg {
            width: 72px;
            height: 72px;
            margin: 0 auto 20px;
            background: linear-gradient(135deg, #2563EB, #103B73);
            border-radius: 20px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--white);
            font-size: 28px;
        }

        .instructor-card h3 {
            font-size: 1.25rem;
            color: #1F2937;
            margin-bottom: 12px;
        }

        .instructor-card p {
            color: #6B7280;
            font-size: 0.9375rem;
            line-height: 1.5;
        }

        /* Courses Hero Section */
        .courses-hero {
            padding: 140px 0 60px;
            background: linear-gradient(135deg, #E8F1FF 0%, #F8FAFC 40%, #E8F4FF 100%);
            position: relative;
            overflow: hidden;
        }

        .courses-hero::before {
            content: '';
            position: absolute;
            top: -50%;
            right: -20%;
            width: 500px;
            height: 500px;
            background: radial-gradient(circle, rgba(37, 99, 235, 0.08) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .courses-hero::after {
            content: '';
            position: absolute;
            bottom: -30%;
            left: -10%;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(244, 180, 0, 0.06) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .courses-hero-content {
            position: relative;
            z-index: 1;
            text-align: center;
            max-width: 720px;
            margin: 0 auto;
        }

        .courses-hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 8px 18px;
            background: rgba(37, 99, 235, 0.12);
            color: #2563EB;
            border-radius: var(--radius-full);
            font-size: 0.875rem;
            font-weight: 600;
            margin-bottom: 20px;
            border: 1px solid rgba(37, 99, 235, 0.2);
            letter-spacing: 0.3px;
        }

        .courses-hero-badge i {
            font-size: 1rem;
        }

        .courses-hero-title {
            font-size: 2.25rem;
            font-weight: 700;
            color: #1F2937;
            margin-bottom: 16px;
            line-height: 1.2;
            letter-spacing: -0.02em;
        }

        .courses-hero-desc {
            font-size: 1.125rem;
            color: #6B7280;
            line-height: 1.6;
            margin-bottom: 32px;
        }

        .courses-search-wrapper {
            max-width: 560px;
            margin: 0 auto 28px;
        }

        .courses-search-box {
            display: flex;
            align-items: center;
            background: var(--white);
            border: 2px solid #E5E7EB;
            border-radius: 16px;
            padding: 4px 4px 4px 20px;
            box-shadow: 0 4px 20px rgba(37, 99, 235, 0.06);
            transition: all 0.3s ease;
        }

        .courses-search-box:focus-within {
            border-color: #2563EB;
            box-shadow: 0 4px 24px rgba(37, 99, 235, 0.12);
        }

        .courses-search-icon {
            color: #9CA3AF;
            font-size: 1.125rem;
            margin-right: 12px;
            flex-shrink: 0;
        }

        .courses-search-input {
            flex: 1;
            border: none;
            padding: 14px 0;
            font-size: 1rem;
            color: #1F2937;
            background: transparent;
            min-width: 0;
        }

        .courses-search-input::placeholder {
            color: #9CA3AF;
        }

        .courses-search-input:focus {
            outline: none;
        }

        .courses-search-btn {
            width: 48px;
            height: 48px;
            border: none;
            border-radius: 12px;
            background: linear-gradient(135deg, #2563EB, #103B73);
            color: var(--white);
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            transition: all 0.3s ease;
            flex-shrink: 0;
        }

        .courses-search-btn:hover {
            transform: translateX(2px);
            box-shadow: 0 4px 16px rgba(37, 99, 235, 0.35);
        }

        .courses-category-filters {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            justify-content: center;
            align-items: center;
        }

        .courses-filter-btn {
            padding: 10px 20px;
            border: 2px solid #E5E7EB;
            background: var(--white);
            color: #6B7280;
            border-radius: var(--radius-full);
            font-weight: 600;
            font-size: 0.875rem;
            cursor: pointer;
            transition: all 0.25s ease;
            white-space: nowrap;
        }

        .courses-filter-btn:hover {
            border-color: #2563EB;
            color: #2563EB;
            background: rgba(37, 99, 235, 0.06);
        }

        .courses-filter-btn.active {
            background: linear-gradient(135deg, #2563EB, #103B73);
            color: var(--white);
            border-color: transparent;
            box-shadow: 0 4px 14px rgba(37, 99, 235, 0.3);
        }

        @media (min-width: 640px) {
            .courses-hero-title {
                font-size: 2.75rem;
            }

            .courses-hero-desc {
                font-size: 1.25rem;
            }
        }

        @media (min-width: 1024px) {
            .courses-hero {
                padding: 140px  80px;
            }

            .courses-hero-title {
                font-size: 3rem;
            }
        }

        /* Courses Section - Mobile First */
        .courses-section {
            background: linear-gradient(180deg, #F8FAFC 0%, #E8F1FF 30%, #F8FAFC 100%);
        }

        .paid-courses-bg {
            background: #F8FAFC;
        }

        /* Free Courses Section */
        .free-courses-section {
            background: linear-gradient(180deg, #F8FAFC 0%, #E8F1FF 20%, #F8FAFC 100%);
            position: relative;
        }

        .free-courses-section::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 4px;
            background: linear-gradient(90deg, #2563EB, #103B73);
            opacity: 0.8;
        }

        /* Premium Courses Section */
        .paid-courses-section {
            background: linear-gradient(180deg, #F8FAFC 0%, #E8F1FF 30%, #F8FAFC 100%);
            position: relative;
        }

        .paid-courses-section::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 4px;
            background: linear-gradient(90deg, #F4B400, #FFD166, #F4B400);
            opacity: 0.8;
        }

        .courses-section-header {
            text-align: center;
            margin-bottom: 48px;
        }

        .courses-section-header .badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            margin-bottom: 16px;
        }

        .courses-section-header h2 {
            font-size: 2rem;
            color: #1F2937;
            margin-bottom: 16px;
        }

        .courses-section-header h2::after {
            content: '';
            display: block;
            width: 60px;
            height: 4px;
            background: linear-gradient(90deg, #F4B400, #FFD166);
            border-radius: 2px;
            margin: 16px auto 0;
        }

        .free-header h2::after {
            background: linear-gradient(90deg, #2563EB, #103B73);
        }

        .courses-section-desc {
            font-size: 1.0625rem;
            color: #6B7280;
            line-height: 1.7;
            max-width: 600px;
            margin: 0 auto;
        }

        .courses-container {
            margin-bottom: 64px;
        }

        .courses-container:last-child {
            margin-bottom: 0;
        }

        .courses-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 24px;
            margin-bottom: 32px;
        }

        .course-card {
            background: var(--white);
            border-radius: 20px;
            overflow: hidden;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
            transition: all 0.3s ease;
            border: 1px solid #E5E7EB;
            height: 100%;
            display: flex;
            flex-direction: column;
            cursor: pointer;
        }

        .course-card:hover {
            transform: translateY(-8px);
            box-shadow: 0 16px 40px rgba(37, 99, 235, 0.12);
            border-color: rgba(37, 99, 235, 0.2);
        }

        .course-premium:hover {
            box-shadow: 0 16px 40px rgba(244, 180, 0, 0.15);
            border-color: rgba(244, 180, 0, 0.3);
        }

        .course-image-wrapper {
            position: relative;
            overflow: hidden;
            height: 200px;
        }

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

        .course-card:hover .course-image {
            transform: scale(1.08);
        }

        .course-image-overlay {
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 60%;
            background: linear-gradient(to top, rgba(10, 42, 67, 0.4), transparent);
            pointer-events: none;
        }

        .course-badges {
            position: absolute;
            top: 16px;
            left: 16px;
            right: 16px;
            display: flex;
            justify-content: space-between;
            align-items: flex-start;
            z-index: 2;
        }

        .course-category-badge {
            font-size: 0.6875rem;
            font-weight: 600;
            text-transform: uppercase;
            letter-spacing: 0.5px;
            padding: 6px 12px;
            background: rgba(255, 255, 255, 0.95);
            color: #2563EB;
            border-radius: 20px;
            backdrop-filter: blur(8px);
        }

        .course-type-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 0.75rem;
            font-weight: 600;
            padding: 6px 12px;
            border-radius: 20px;
            backdrop-filter: blur(8px);
        }

        .course-type-badge.badge-free {
            background: rgba(16, 185, 129, 0.9);
            color: white;
        }

        .course-type-badge.badge-premium {
            background: linear-gradient(135deg, #F4B400, #FFD166);
            color: #1F2937;
            box-shadow: 0 2px 12px rgba(244, 180, 0, 0.4);
        }

        .course-content {
            padding: 24px;
            flex-grow: 1;
            display: flex;
            flex-direction: column;
        }

        .course-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 12px;
        }

        .course-rating {
            display: flex;
            align-items: center;
            gap: 6px;
            color: #F4B400;
            font-size: 0.875rem;
            font-weight: 600;
        }

        .course-rating i {
            font-size: 0.875rem;
        }

        .course-difficulty {
            font-size: 0.6875rem;
            font-weight: 600;
            text-transform: uppercase;
            letter-spacing: 0.5px;
            padding: 4px 10px;
            background: #E8F1FF;
            color: #2563EB;
            border-radius: 12px;
        }

        .course-title {
            font-size: 1.1875rem;
            font-weight: 600;
            margin-bottom: 10px;
            line-height: 1.35;
            color: #1F2937;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .course-desc {
            color: #6B7280;
            font-size: 0.875rem;
            line-height: 1.5;
            margin-bottom: 16px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .course-details {
            display: flex;
            align-items: center;
            gap: 16px;
            margin-bottom: 20px;
            font-size: 0.8125rem;
            color: #6B7280;
        }

        .course-detail-item {
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .course-detail-item i {
            font-size: 0.75rem;
            color: #D1D5DB;
        }

        .course-footer {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding-top: 20px;
            border-top: 1px solid #F1F5F9;
            margin-top: auto;
        }

        .course-instructor {
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .instructor-avatar {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: linear-gradient(135deg, #2563EB, #103B73);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--white);
            font-size: 0.75rem;
            font-weight: 700;
            flex-shrink: 0;
        }

        .course-premium .instructor-avatar {
            background: linear-gradient(135deg, #F4B400, #FFD166);
            color: #1F2937;
        }

        .instructor-name {
            font-size: 0.875rem;
            font-weight: 500;
            color: #1F2937;
        }

        .course-price-wrap {
            font-weight: 600;
        }

        .price-free {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 1rem;
            color: #10b981;
        }

        .price-premium {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 1.25rem;
            font-weight: 700;
            color: #F4B400;
            background: linear-gradient(135deg, rgba(244, 180, 0, 0.12), rgba(255, 209, 102, 0.08));
            padding: 8px 16px;
            border-radius: 12px;
        }

        .price-premium i {
            font-size: 1rem;
        }

        .view-all-container {
            text-align: center;
            margin-top: 32px;
        }

        .view-all {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 24px;
            background: #E8F1FF;
            color: #2563EB;
            font-weight: 600;
            border-radius: var(--radius-full);
            transition: var(--transition);
        }

        .view-all:hover {
            gap: 12px;
            background: #2563EB;
            color: var(--white);
        }

        /* Empty State - No Courses Found */
        .empty-state-card {
            grid-column: 1 / -1;
            background: var(--white);
            border-radius: 24px;
            padding: 56px 32px;
            text-align: center;
            box-shadow: 0 4px 24px rgba(37, 99, 235, 0.08);
            border: 1px solid #E5E7EB;
            max-width: 480px;
            margin: 0 auto;
        }

        .empty-state-icon {
            width: 96px;
            height: 96px;
            margin: 0 auto 24px;
            background: linear-gradient(135deg, #E8F1FF, rgba(37, 99, 235, 0.08));
            border-radius: 24px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #2563EB;
            font-size: 2.5rem;
        }

        .empty-state-title {
            font-size: 1.5rem;
            font-weight: 600;
            color: #1F2937;
            margin-bottom: 12px;
        }

        .empty-state-desc {
            font-size: 1rem;
            color: #6B7280;
            line-height: 1.6;
            margin-bottom: 28px;
        }

        .empty-state-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            justify-content: center;
        }

        .empty-state-actions .btn {
            min-width: 160px;
        }

        @media (max-width: 480px) {
            .empty-state-card {
                padding: 40px 24px;
            }

            .empty-state-icon {
                width: 80px;
                height: 80px;
                font-size: 2rem;
            }

            .empty-state-title {
                font-size: 1.25rem;
            }

            .empty-state-actions {
                flex-direction: column;
            }

            .empty-state-actions .btn {
                width: 100%;
                min-width: unset;
            }
        }

        /* Blog Hero Section */
        .blog-hero {
            padding: 140px 0 60px;
            background: linear-gradient(135deg, #E8F1FF 0%, #F8FAFC 40%, #E8F4FF 100%);
            position: relative;
            overflow: hidden;
        }

        .blog-hero::before {
            content: '';
            position: absolute;
            top: -50%;
            right: -20%;
            width: 500px;
            height: 500px;
            background: radial-gradient(circle, rgba(37, 99, 235, 0.08) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .blog-hero::after {
            content: '';
            position: absolute;
            bottom: -30%;
            left: -10%;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(244, 180, 0, 0.06) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .blog-hero-content {
            position: relative;
            z-index: 1;
            text-align: center;
            max-width: 720px;
            margin: 0 auto;
        }

        .blog-hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 8px 18px;
            background: rgba(37, 99, 235, 0.12);
            color: #2563EB;
            border-radius: var(--radius-full);
            font-size: 0.875rem;
            font-weight: 600;
            margin-bottom: 20px;
            border: 1px solid rgba(37, 99, 235, 0.2);
            letter-spacing: 0.3px;
        }

        .blog-hero-badge i {
            font-size: 1rem;
        }

        .blog-hero-title {
            font-size: 2.25rem;
            font-weight: 700;
            color: #1F2937;
            margin-bottom: 16px;
            line-height: 1.2;
            letter-spacing: -0.02em;
        }

        .blog-hero-desc {
            font-size: 1.125rem;
            color: #6B7280;
            line-height: 1.6;
            margin-bottom: 32px;
        }

        .blog-search-wrapper {
            max-width: 560px;
            margin: 0 auto 28px;
        }

        .blog-search-box {
            display: flex;
            align-items: center;
            background: var(--white);
            border: 2px solid #E5E7EB;
            border-radius: 16px;
            padding: 4px 4px 4px 20px;
            box-shadow: 0 4px 20px rgba(37, 99, 235, 0.06);
            transition: all 0.3s ease;
        }

        .blog-search-box:focus-within {
            border-color: #2563EB;
            box-shadow: 0 4px 24px rgba(37, 99, 235, 0.12);
        }

        .blog-search-icon {
            color: #9CA3AF;
            font-size: 1.125rem;
            margin-right: 12px;
            flex-shrink: 0;
        }

        .blog-search-input {
            flex: 1;
            border: none;
            padding: 14px 0;
            font-size: 1rem;
            color: #1F2937;
            background: transparent;
            min-width: 0;
        }

        .blog-search-input::placeholder {
            color: #9CA3AF;
        }

        .blog-search-input:focus {
            outline: none;
        }

        .blog-search-btn {
            width: 48px;
            height: 48px;
            border: none;
            border-radius: 12px;
            background: linear-gradient(135deg, #2563EB, #103B73);
            color: var(--white);
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            transition: all 0.3s ease;
            flex-shrink: 0;
        }

        .blog-search-btn:hover {
            transform: translateX(2px);
            box-shadow: 0 4px 16px rgba(37, 99, 235, 0.35);
        }

        .blog-category-filters {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            justify-content: center;
            align-items: center;
        }

        .blog-filter-btn {
            padding: 10px 20px;
            border: 2px solid #E5E7EB;
            background: var(--white);
            color: #6B7280;
            border-radius: var(--radius-full);
            font-weight: 600;
            font-size: 0.875rem;
            cursor: pointer;
            transition: all 0.25s ease;
            white-space: nowrap;
        }

        .blog-filter-btn:hover {
            border-color: #2563EB;
            color: #2563EB;
            background: rgba(37, 99, 235, 0.06);
        }

        .blog-filter-btn.active {
            background: linear-gradient(135deg, #2563EB, #103B73);
            color: var(--white);
            border-color: transparent;
            box-shadow: 0 4px 14px rgba(37, 99, 235, 0.3);
        }

        @media (min-width: 640px) {
            .blog-hero-title {
                font-size: 2.75rem;
            }

            .blog-hero-desc {
                font-size: 1.25rem;
            }
        }

        @media (min-width: 1024px) {
            .blog-hero {
                padding: 160px 0 80px;
            }

            .blog-hero-title {
                font-size: 3rem;
            }
        }

        /* Profile Hero Section */
        .profile-hero {
            padding: 140px 0 60px;
            background: linear-gradient(135deg, #E8F1FF 0%, #F8FAFC 40%, #E8F4FF 100%);
            position: relative;
            overflow: hidden;
        }

        .profile-hero::before {
            content: '';
            position: absolute;
            top: -50%;
            right: -20%;
            width: 500px;
            height: 500px;
            background: radial-gradient(circle, rgba(37, 99, 235, 0.08) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .profile-hero::after {
            content: '';
            position: absolute;
            bottom: -30%;
            left: -10%;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(244, 180, 0, 0.06) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .profile-hero-content {
            position: relative;
            z-index: 1;
            text-align: center;
            max-width: 640px;
            margin: 0 auto;
        }

        .profile-hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 8px 18px;
            background: rgba(37, 99, 235, 0.12);
            color: #2563EB;
            border-radius: var(--radius-full);
            font-size: 0.875rem;
            font-weight: 600;
            margin-bottom: 20px;
            border: 1px solid rgba(37, 99, 235, 0.2);
        }

        .profile-hero-badge i {
            font-size: 1rem;
        }

        .profile-hero-title {
            font-size: 2.25rem;
            font-weight: 700;
            color: #1F2937;
            margin-bottom: 12px;
            line-height: 1.2;
        }

        .profile-hero-desc {
            font-size: 1.125rem;
            color: #6B7280;
            line-height: 1.6;
        }

        @media (min-width: 1024px) {
            .profile-hero {
                padding: 160px 0 80px;
            }

            .profile-hero-title {
                font-size: 2.75rem;
            }
        }

        /* Profile Section */
        .profile-section {
            padding: 0 0 80px;
            background: linear-gradient(180deg, #F8FAFC 0%, #E8F1FF 30%, #F8FAFC 100%);
        }

        .profile-card {
            background: var(--white);
            border-radius: 24px;
            padding: 48px 40px;
            margin-top: -40px;
            max-width: 900px;
            margin-left: auto;
            margin-right: auto;
            box-shadow: 0 4px 24px rgba(37, 99, 235, 0.08), 0 20px 40px rgba(0, 0, 0, 0.06);
            border: 1px solid rgba(37, 99, 235, 0.1);
            position: relative;
            z-index: 1;
        }

        .profile-loading {
            text-align: center;
            padding: 60px 20px;
            color: #2563EB;
        }

        .profile-loading i {
            display: block;
            margin-bottom: 16px;
        }

        .profile-loading p {
            color: #6B7280;
            margin: 0;
        }

        .profile-error {
            text-align: center;
            padding: 48px 24px;
        }

        .profile-error i {
            font-size: 3rem;
            color: #F59E0B;
            margin-bottom: 16px;
        }

        .profile-error p {
            color: #6B7280;
            margin-bottom: 24px;
        }

        .profile-retry-btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 24px;
            background: linear-gradient(135deg, #2563EB, #103B73);
            color: var(--white);
            border: none;
            border-radius: 12px;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.3s ease;
        }

        .profile-retry-btn:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(37, 99, 235, 0.35);
        }

        /* Profile Info */
        .profile-info {
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 24px;
            margin-bottom: 40px;
            padding-bottom: 40px;
            border-bottom: 1px solid #E5E7EB;
        }

        @media (min-width: 640px) {
            .profile-info {
                flex-direction: row;
                align-items: center;
                gap: 32px;
            }
        }

        .profile-avatar {
            width: 100px;
            height: 100px;
            border-radius: 50%;
            background: linear-gradient(135deg, #2563EB, #103B73);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--white);
            font-size: 2.25rem;
            font-weight: 700;
            flex-shrink: 0;
            box-shadow: 0 8px 24px rgba(37, 99, 235, 0.3);
        }

        .profile-user-details {
            text-align: center;
            flex: 1;
        }

        @media (min-width: 640px) {
            .profile-user-details {
                text-align: left;
            }
        }

        .profile-name {
            font-size: 1.75rem;
            font-weight: 700;
            color: #1F2937;
            margin-bottom: 12px;
        }

        .profile-email,
        .profile-date {
            display: flex;
            align-items: center;
            gap: 10px;
            color: #6B7280;
            font-size: 0.9375rem;
            margin: 6px 0;
        }

        .profile-email i,
        .profile-date i {
            color: #2563EB;
            width: 18px;
        }

        /* Profile Stats */
        .profile-stats {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
            margin-bottom: 48px;
        }

        .profile-stat-card {
            background: linear-gradient(135deg, #F8FAFC 0%, #E8F1FF 100%);
            padding: 24px 20px;
            border-radius: 16px;
            text-align: center;
            border: 1px solid rgba(37, 99, 235, 0.1);
            transition: all 0.3s ease;
        }

        .profile-stat-card:hover {
            transform: translateY(-4px);
            box-shadow: 0 8px 24px rgba(37, 99, 235, 0.12);
            border-color: rgba(37, 99, 235, 0.2);
        }

        .profile-stat-icon {
            width: 48px;
            height: 48px;
            margin: 0 auto 12px;
            background: linear-gradient(135deg, #2563EB, #103B73);
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--white);
            font-size: 1.25rem;
        }

        .profile-stat-number {
            font-size: 1.75rem;
            font-weight: 700;
            color: #1F2937;
            margin-bottom: 4px;
        }

        .profile-stat-label {
            font-size: 0.8125rem;
            color: #6B7280;
            font-weight: 500;
        }

        /* Profile Courses Section */
        .profile-courses-section {
            margin-top: 40px;
        }

        .profile-courses-title {
            font-size: 1.375rem;
            font-weight: 700;
            color: #1F2937;
            margin-bottom: 24px;
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .profile-courses-title i {
            color: #2563EB;
        }

        .profile-courses-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 24px;
        }

        @media (min-width: 640px) {
            .profile-courses-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (min-width: 1024px) {
            .profile-courses-grid {
                grid-template-columns: repeat(3, 1fr);
            }
        }

        .profile-course-item {
            background: var(--white);
            border: 1px solid #E5E7EB;
            border-radius: 16px;
            overflow: hidden;
            cursor: pointer;
            transition: all 0.3s ease;
        }

        .profile-course-item:hover {
            transform: translateY(-6px);
            box-shadow: 0 12px 40px rgba(37, 99, 235, 0.12);
            border-color: rgba(37, 99, 235, 0.2);
        }

        .profile-course-image-wrap {
            position: relative;
            height: 140px;
            overflow: hidden;
        }

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

        .profile-course-item:hover .profile-course-image {
            transform: scale(1.05);
        }

        .profile-course-progress-badge {
            position: absolute;
            top: 12px;
            right: 12px;
            background: rgba(255, 255, 255, 0.95);
            color: #2563EB;
            padding: 6px 12px;
            border-radius: 20px;
            font-size: 0.75rem;
            font-weight: 700;
        }

        .profile-course-content {
            padding: 20px;
        }

        .profile-course-title {
            font-size: 1.0625rem;
            font-weight: 600;
            color: #1F2937;
            margin-bottom: 12px;
            line-height: 1.4;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .profile-progress-bar {
            height: 8px;
            background: #E5E7EB;
            border-radius: 4px;
            overflow: hidden;
            margin-bottom: 12px;
        }

        .profile-progress-fill {
            height: 100%;
            background: linear-gradient(90deg, #2563EB, #103B73);
            border-radius: 4px;
            transition: width 0.5s ease;
        }

        .profile-course-meta {
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-size: 0.8125rem;
            color: #6B7280;
            margin-bottom: 12px;
        }

        .profile-course-meta span {
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .profile-course-link {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 0.875rem;
            font-weight: 600;
            color: #2563EB;
            transition: gap 0.3s ease;
        }

        .profile-course-item:hover .profile-course-link {
            gap: 12px;
        }

        .profile-empty-courses {
            grid-column: 1 / -1;
            text-align: center;
            padding: 48px 24px;
            background: linear-gradient(135deg, #F8FAFC 0%, #E8F1FF 100%);
            border-radius: 16px;
            border: 1px dashed #D1D5DB;
        }

        .profile-empty-courses i {
            font-size: 3rem;
            color: #9CA3AF;
            margin-bottom: 16px;
        }

        .profile-empty-courses p {
            color: #6B7280;
            margin-bottom: 24px;
        }

        .profile-browse-btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 24px;
            background: linear-gradient(135deg, #2563EB, #103B73);
            color: var(--white);
            border-radius: 12px;
            font-weight: 600;
            transition: all 0.3s ease;
        }

        .profile-browse-btn:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(37, 99, 235, 0.35);
        }

        @media (max-width: 480px) {
            .profile-card {
                padding: 32px 24px;
                margin-top: -32px;
            }

            .profile-stats {
                grid-template-columns: 1fr;
            }
        }

        /* My Courses Hero Section */
        .my-courses-hero {
            padding: 140px 0 60px;
            background: linear-gradient(135deg, #E8F1FF 0%, #F8FAFC 40%, #E8F4FF 100%);
            position: relative;
            overflow: hidden;
        }

        .my-courses-hero::before {
            content: '';
            position: absolute;
            top: -50%;
            right: -20%;
            width: 500px;
            height: 500px;
            background: radial-gradient(circle, rgba(37, 99, 235, 0.08) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .my-courses-hero::after {
            content: '';
            position: absolute;
            bottom: -30%;
            left: -10%;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(244, 180, 0, 0.06) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .my-courses-hero-content {
            position: relative;
            z-index: 1;
            text-align: center;
            max-width: 640px;
            margin: 0 auto;
        }

        .my-courses-hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 8px 18px;
            background: rgba(37, 99, 235, 0.12);
            color: #2563EB;
            border-radius: var(--radius-full);
            font-size: 0.875rem;
            font-weight: 600;
            margin-bottom: 20px;
            border: 1px solid rgba(37, 99, 235, 0.2);
        }

        .my-courses-hero-badge i {
            font-size: 1rem;
        }

        .my-courses-hero-title {
            font-size: 2.25rem;
            font-weight: 700;
            color: #1F2937;
            margin-bottom: 12px;
            line-height: 1.2;
        }

        .my-courses-hero-desc {
            font-size: 1.125rem;
            color: #6B7280;
            line-height: 1.6;
        }

        @media (min-width: 1024px) {
            .my-courses-hero {
                padding: 160px 0 80px;
            }

            .my-courses-hero-title {
                font-size: 2.75rem;
            }
        }

        /* My Courses Section */
        .my-courses-section {
            padding: 0 0 80px;
            background: linear-gradient(180deg, #F8FAFC 0%, #E8F1FF 30%, #F8FAFC 100%);
        }

        .my-courses-loading {
            text-align: center;
            padding: 80px 20px;
            color: #2563EB;
        }

        .my-courses-loading i {
            display: block;
            margin-bottom: 16px;
        }

        .my-courses-loading p {
            color: #6B7280;
            margin: 0;
        }

        .my-courses-error {
            text-align: center;
            padding: 80px 24px;
        }

        .my-courses-error i {
            font-size: 3rem;
            color: #F59E0B;
            margin-bottom: 16px;
        }

        .my-courses-error p {
            color: #6B7280;
            margin-bottom: 24px;
        }

        .my-courses-retry-btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 24px;
            background: linear-gradient(135deg, #2563EB, #103B73);
            color: var(--white);
            border: none;
            border-radius: 12px;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.3s ease;
        }

        .my-courses-retry-btn:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(37, 99, 235, 0.35);
        }

        /* My Courses Grid */
        .my-courses-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 24px;
            margin-top: -40px;
        }

        @media (min-width: 640px) {
            .my-courses-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (min-width: 1024px) {
            .my-courses-grid {
                grid-template-columns: repeat(3, 1fr);
            }
        }

        /* My Course Card */
        .my-course-card {
            background: var(--white);
            border: 1px solid #E5E7EB;
            border-radius: 20px;
            overflow: hidden;
            cursor: pointer;
            transition: all 0.3s ease;
            box-shadow: 0 4px 20px rgba(37, 99, 235, 0.06);
        }

        .my-course-card:hover {
            transform: translateY(-6px);
            box-shadow: 0 12px 40px rgba(37, 99, 235, 0.12);
            border-color: rgba(37, 99, 235, 0.2);
        }

        .my-course-image-wrap {
            position: relative;
            height: 180px;
            overflow: hidden;
        }

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

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

        .my-course-progress-badge {
            position: absolute;
            top: 16px;
            right: 16px;
            background: rgba(255, 255, 255, 0.95);
            color: #2563EB;
            padding: 6px 14px;
            border-radius: 20px;
            font-size: 0.8125rem;
            font-weight: 700;
        }

        .my-course-content {
            padding: 24px;
        }

        .my-course-category {
            display: inline-block;
            font-size: 0.75rem;
            font-weight: 600;
            color: #2563EB;
            background: rgba(37, 99, 235, 0.1);
            padding: 4px 12px;
            border-radius: 20px;
            margin-bottom: 12px;
        }

        .my-course-title {
            font-size: 1.1875rem;
            font-weight: 600;
            color: #1F2937;
            margin-bottom: 16px;
            line-height: 1.4;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .my-course-progress-bar {
            height: 10px;
            background: #E5E7EB;
            border-radius: 5px;
            overflow: hidden;
            margin-bottom: 12px;
        }

        .my-course-progress-fill {
            height: 100%;
            background: linear-gradient(90deg, #2563EB, #103B73);
            border-radius: 5px;
            transition: width 0.5s ease;
        }

        .my-course-meta {
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-size: 0.8125rem;
            color: #6B7280;
            margin-bottom: 20px;
        }

        .my-course-meta span {
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .my-course-continue-btn {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 10px;
            padding: 14px 24px;
            background: linear-gradient(135deg, #2563EB, #103B73);
            color: var(--white);
            border: none;
            border-radius: 12px;
            font-weight: 600;
            font-size: 0.9375rem;
            cursor: pointer;
            transition: all 0.3s ease;
        }

        .my-course-continue-btn:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(37, 99, 235, 0.35);
        }

        /* My Courses Empty State */
        .my-courses-empty {
            text-align: center;
            padding: 80px 24px;
            background: var(--white);
            border-radius: 24px;
            border: 1px dashed #D1D5DB;
            margin-top: -40px;
            box-shadow: 0 4px 24px rgba(37, 99, 235, 0.06);
        }

        .my-courses-empty i {
            font-size: 4rem;
            color: #9CA3AF;
            margin-bottom: 24px;
        }

        .my-courses-empty h3 {
            font-size: 1.5rem;
            color: #1F2937;
            margin-bottom: 12px;
        }

        .my-courses-empty p {
            color: #6B7280;
            margin-bottom: 28px;
        }

        .my-courses-browse-btn {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 14px 28px;
            background: linear-gradient(135deg, #2563EB, #103B73);
            color: var(--white);
            border-radius: 12px;
            font-weight: 600;
            transition: all 0.3s ease;
        }

        .my-courses-browse-btn:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(37, 99, 235, 0.35);
        }

        @media (max-width: 480px) {
            .my-courses-grid {
                margin-top: -32px;
            }

            .my-courses-empty {
                margin-top: -32px;
                padding: 48px 20px;
            }
        }

        /* Settings Hero Section */
        .settings-hero {
            padding: 140px 0 60px;
            background: linear-gradient(135deg, #E8F1FF 0%, #F8FAFC 40%, #E8F4FF 100%);
            position: relative;
            overflow: hidden;
        }

        .settings-hero::before {
            content: '';
            position: absolute;
            top: -50%;
            right: -20%;
            width: 500px;
            height: 500px;
            background: radial-gradient(circle, rgba(37, 99, 235, 0.08) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .settings-hero::after {
            content: '';
            position: absolute;
            bottom: -30%;
            left: -10%;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(244, 180, 0, 0.06) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .settings-hero-content {
            position: relative;
            z-index: 1;
            text-align: center;
            max-width: 640px;
            margin: 0 auto;
        }

        .settings-hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 8px 18px;
            background: rgba(37, 99, 235, 0.12);
            color: #2563EB;
            border-radius: var(--radius-full);
            font-size: 0.875rem;
            font-weight: 600;
            margin-bottom: 20px;
            border: 1px solid rgba(37, 99, 235, 0.2);
        }

        .settings-hero-badge i {
            font-size: 1rem;
        }

        .settings-hero-title {
            font-size: 2.25rem;
            font-weight: 700;
            color: #1F2937;
            margin-bottom: 12px;
            line-height: 1.2;
        }

        .settings-hero-desc {
            font-size: 1.125rem;
            color: #6B7280;
            line-height: 1.6;
        }

        @media (min-width: 1024px) {
            .settings-hero {
                padding: 160px 0 80px;
            }

            .settings-hero-title {
                font-size: 2.75rem;
            }
        }

        /* Settings Section */
        .settings-section {
            padding: 120px 0 80px;
            background: linear-gradient(180deg, #F8FAFC 0%, #E8F1FF 30%, #F8FAFC 100%);
        }

        .settings-container {
            max-width: 800px;
            margin: 0 auto;
            background: var(--white);
            border-radius: 24px;
            overflow: hidden;
            box-shadow: 0 4px 24px rgba(37, 99, 235, 0.08), 0 20px 40px rgba(0, 0, 0, 0.06);
            border: 1px solid rgba(37, 99, 235, 0.1);
        }

        /* Settings Nav Tabs */
        .settings-nav {
            background: #F8FAFC;
            padding: 8px;
            border-bottom: 1px solid #E5E7EB;
            display: flex;
        }

        .settings-nav ul {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            margin: 0;
            padding: 0;
            list-style: none;
            width: 100%;
        }

        .settings-nav li {
            flex: 1;
            min-width: 120px;
        }

        .settings-tab-btn {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 10px;
            padding: 14px 20px;
            border: none;
            background: transparent;
            border-radius: 12px;
            cursor: pointer;
            font-weight: 600;
            font-size: 0.9375rem;
            color: #6B7280;
            transition: all 0.25s ease;
        }

        .settings-tab-btn:hover {
            color: #2563EB;
            background: rgba(37, 99, 235, 0.06);
        }

        .settings-tab-btn.active {
            background: linear-gradient(135deg, #2563EB, #103B73);
            color: var(--white);
            box-shadow: 0 4px 14px rgba(37, 99, 235, 0.3);
        }

        /* Settings Content */
        .settings-content {
            padding: 40px;
        }

        .settings-tab-content {
            display: none;
        }

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

        .settings-tab-title {
            font-size: 1.25rem;
            font-weight: 700;
            color: #1F2937;
            margin-bottom: 28px;
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .settings-tab-title i {
            color: #2563EB;
        }

        /* Settings Form */
        .settings-form-group {
            margin-bottom: 24px;
        }

        .settings-form-label {
            display: block;
            font-weight: 500;
            color: #1F2937;
            margin-bottom: 8px;
            font-size: 0.9375rem;
        }

        .settings-form-input {
            width: 100%;
            padding: 14px 18px;
            border: 2px solid #E5E7EB;
            border-radius: 12px;
            font-size: 1rem;
            transition: all 0.25s ease;
            background: #F8FAFC;
        }

        .settings-form-input:focus {
            outline: none;
            border-color: #2563EB;
            background: var(--white);
            box-shadow: 0 4px 20px rgba(37, 99, 235, 0.08);
        }

        .settings-btn-group {
            margin-top: 32px;
        }

        .settings-save-btn {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 14px 28px;
            background: linear-gradient(135deg, #2563EB, #103B73);
            color: var(--white);
            border: none;
            border-radius: 12px;
            font-weight: 600;
            font-size: 1rem;
            cursor: pointer;
            transition: all 0.3s ease;
        }

        .settings-save-btn:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(37, 99, 235, 0.35);
        }

        /* Settings Danger Zone */
        .settings-danger-zone {
            background: linear-gradient(135deg, #FEF2F2 0%, #FEE2E2 100%);
            border: 1px solid #FECACA;
            border-radius: 16px;
            padding: 28px;
            margin-top: 32px;
        }

        .settings-danger-zone h4 {
            font-size: 1.125rem;
            font-weight: 700;
            color: #DC2626;
            margin-bottom: 12px;
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .settings-danger-zone p {
            color: #6B7280;
            font-size: 0.9375rem;
            line-height: 1.6;
            margin-bottom: 20px;
        }

        .settings-danger-btn {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 12px 24px;
            background: #DC2626;
            color: var(--white);
            border: none;
            border-radius: 12px;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.3s ease;
        }

        .settings-danger-btn:hover {
            background: #B91C1C;
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(220, 38, 38, 0.35);
        }

        @media (max-width: 480px) {
            .settings-section {
                padding-top: 100px;
            }

            .settings-content {
                padding: 28px 24px;
            }

            .settings-nav ul {
                flex-direction: column;
            }

            .settings-nav li {
                min-width: unset;
            }
        }

        /* Blog Section */
        .blog-section {
            background: linear-gradient(180deg, #F8FAFC 0%, #E8F1FF 30%, #F8FAFC 100%);
        }

        .blog-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 24px;
            margin-bottom: 32px;
        }

        .blog-card {
            background: var(--white);
            border-radius: 20px;
            overflow: hidden;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
            transition: all 0.3s ease;
            border: 1px solid #E5E7EB;
            text-decoration: none;
            color: inherit;
            display: block;
        }

        .blog-card:hover {
            transform: translateY(-6px);
            box-shadow: 0 12px 40px rgba(37, 99, 235, 0.12);
            border-color: rgba(37, 99, 235, 0.2);
        }

        .blog-card-image {
            position: relative;
            height: 200px;
            overflow: hidden;
        }

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

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

        .blog-category {
            position: absolute;
            top: 16px;
            left: 16px;
            background: rgba(255, 255, 255, 0.95);
            color: #2563EB;
            padding: 6px 12px;
            border-radius: 20px;
            font-size: 0.75rem;
            font-weight: 600;
        }

        .blog-card-content {
            padding: 24px;
        }

        .blog-card-content h3 {
            font-size: 1.25rem;
            color: #1F2937;
            margin-bottom: 12px;
            line-height: 1.4;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .blog-card-content p {
            color: #6B7280;
            font-size: 0.9375rem;
            line-height: 1.5;
            margin-bottom: 16px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .blog-meta {
            display: flex;
            gap: 20px;
            font-size: 0.8125rem;
            color: #6B7280;
        }

        .blog-meta span {
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .blog-empty {
            grid-column: 1 / -1;
            text-align: center;
            padding: 40px 20px;
            color: #6B7280;
        }

        @media (min-width: 640px) {
            .blog-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (min-width: 1024px) {
            .blog-grid {
                grid-template-columns: repeat(3, 1fr);
            }
        }

        /* Features Section */
        .features-section {
            background: linear-gradient(135deg, #F8FAFC 0%, #E8F1FF 100%);
        }

        .features-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 24px;
        }

        .feature-item {
            background: var(--white);
            padding: 32px 24px;
            border-radius: var(--radius-lg);
            text-align: center;
            box-shadow: var(--shadow);
            transition: var(--transition);
            border: 1px solid var(--border-light);
        }

        .feature-item:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-lg);
        }

        .feature-icon {
            width: 64px;
            height: 64px;
            margin: 0 auto 20px;
            background: linear-gradient(135deg, #2563EB, #103B73);
            border-radius: 20px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--white);
            font-size: 24px;
            box-shadow: 0 6px 24px rgba(37, 99, 235, 0.25);
        }

        .feature-item h3 {
            font-size: 1.125rem;
            margin-bottom: 12px;
            color: #1F2937;
        }

        .feature-item p {
            color: #6B7280;
            font-size: 0.875rem;
            line-height: 1.5;
        }

        /* Testimonials */
        .testimonials {
            background: var(--white);
        }

        .testimonial-slider {
            position: relative;
            overflow: hidden;
            border-radius: var(--radius-lg);
        }

        .testimonial-track {
            display: flex;
            transition: transform var(--transition-slow);
        }

        .testimonial-slide {
            min-width: 100%;
            padding: 16px;
        }

        .testimonial-card {
            background: var(--light);
            padding: 32px 24px;
            border-radius: var(--radius-lg);
            border: 1px solid var(--border-light);
            text-align: center;
        }

        .testimonial-text {
            font-size: 1rem;
            line-height: 1.6;
            color: var(--text);
            margin-bottom: 24px;
            position: relative;
            padding: 0 8px;
        }

        .testimonial-text::before {
            content: '"';
            position: absolute;
            top: -16px;
            left: 0;
            font-size: 48px;
            color: #2563EB;
            opacity: 0.2;
            font-family: Georgia, serif;
            line-height: 1;
        }

        .testimonial-author {
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 12px;
        }

        .author-avatar {
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: linear-gradient(135deg, #2563EB, #103B73);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--white);
            font-weight: 600;
            font-size: 20px;
            box-shadow: var(--shadow-primary);
        }

        .author-info h4 {
            font-size: 1rem;
            margin-bottom: 4px;
            color: var(--text);
        }

        .author-info p {
            color: var(--text-light);
            font-size: 0.875rem;
        }

        .slider-controls {
            display: flex;
            justify-content: center;
            gap: 16px;
            margin-top: 32px;
        }

        .slider-btn {
            width: 48px;
            height: 48px;
            border-radius: 50%;
            border: 2px solid var(--border);
            background: var(--white);
            display: flex;
            align-items: center;
            justify-content: center;
            transition: var(--transition);
            color: var(--text);
            box-shadow: var(--shadow-sm);
        }

        .slider-btn:hover {
            border-color: #2563EB;
            background: #2563EB;
            color: var(--white);
            transform: translateY(-2px);
            box-shadow: 0 6px 24px rgba(37, 99, 235, 0.25);
        }

        .slider-dots {
            display: flex;
            justify-content: center;
            gap: 8px;
            margin-top: 24px;
        }

        .slider-dot {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--border);
            transition: var(--transition-fast);
            cursor: pointer;
        }

        .slider-dot.active {
            background: #2563EB;
            transform: scale(1.2);
        }

        /* CTA Section */
        .cta-section {
            background: linear-gradient(135deg, #103B73 0%, #0A2A43 100%);
            color: var(--white);
            text-align: center;
            padding: 80px 0;
            position: relative;
            overflow: hidden;
        }

        .cta-content {
            position: relative;
            z-index: 1;
            max-width: 600px;
            margin: 0 auto;
        }

        .cta-content h2 {
            font-size: 2rem;
            margin-bottom: 16px;
            color: var(--white);
        }

        .cta-content p {
            font-size: 1.125rem;
            opacity: 0.9;
            margin-bottom: 32px;
            line-height: 1.6;
        }

        .cta-buttons {
            display: flex;
            flex-direction: column;
            gap: 12px;
            align-items: center;
        }

        /* Footer */
        footer {
            background: var(--text);
            color: var(--white);
            padding: 64px 0 32px;
        }

        .footer-content {
            display: grid;
            grid-template-columns: 1fr;
            gap: 40px;
            margin-bottom: 48px;
        }

        .footer-about {
            order: -1;
        }

        .footer-logo {
            display: flex;
            align-items: center;
            gap: 8px;
            margin-bottom: 20px;
        }

        .footer-logo-icon {
            width: 36px;
            height: 36px;
            background: linear-gradient(135deg, #2563EB, #103B73);
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--white);
            font-size: 18px;
        }

        .footer-logo-text {
            font-size: 1.25rem;
            font-weight: 700;
            color: var(--white);
        }

        .footer-logo-text span {
            color: #FFD166;
        }

        .footer-about p {
            color: rgba(255, 255, 255, 0.7);
            font-size: 0.875rem;
            line-height: 1.6;
            margin-bottom: 24px;
        }

        .social-links {
            display: flex;
            gap: 12px;
        }

        .social-link {
            width: 40px;
            height: 40px;
            border-radius: var(--radius);
            background: rgba(255, 255, 255, 0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--white);
            transition: var(--transition);
        }

        .social-link:hover {
            background: #F4B400;
            transform: translateY(-3px);
        }

        .footer-column h3 {
            font-size: 1rem;
            margin-bottom: 20px;
            color: var(--white);
            position: relative;
            padding-bottom: 12px;
        }

        .footer-column h3::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 32px;
            height: 3px;
            background: linear-gradient(90deg, #F4B400, #FFD166);
            border-radius: 2px;
        }

        .footer-column ul {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .footer-column li {
            margin-bottom: 0;
        }

        .footer-column a {
            color: rgba(255, 255, 255, 0.7);
            font-size: 0.875rem;
            display: flex;
            align-items: center;
            gap: 8px;
            transition: var(--transition-fast);
        }

        .footer-column a:hover {
            color: var(--white);
            transform: translateX(4px);
        }

        .footer-column a i {
            font-size: 0.75rem;
            width: 16px;
        }

        .footer-bottom {
            text-align: center;
            padding-top: 32px;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            color: rgba(255, 255, 255, 0.5);
            font-size: 0.75rem;
        }

        /* Progress Bar */
        .progress-bar {
            position: fixed;
            top: 0;
            left: 0;
            width: 0%;
            height: 3px;
            background: linear-gradient(90deg, var(--primary), var(--accent));
            z-index: 1001;
            transition: width 0.1s ease;
        }

        /* Back to Top Button */
        .back-to-top {
            position: fixed;
            bottom: 24px;
            right: 20px;
            width: 48px;
            height: 48px;
            background: var(--primary);
            color: var(--white);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: var(--shadow-primary);
            transition: var(--transition);
            opacity: 0;
            visibility: hidden;
            z-index: 999;
        }

        .back-to-top.visible {
            opacity: 1;
            visibility: visible;
        }

        .back-to-top:hover {
            background: var(--primary-dark);
            transform: translateY(-4px);
        }

        /* Tablet Styles */
        @media (min-width: 640px) {
            html {
                font-size: 17px;
            }

            .container {
                padding: 0 24px;
            }

            .section {
                padding: 96px 0;
            }

            .section-title h2 {
                font-size: 2.25rem;
            }

            .hero {
                padding: 160px 0 96px;
            }

            .hero-text h1 {
                font-size: 3rem;
            }

            .hero-buttons {
                flex-direction: row;
                flex-wrap: nowrap;
            }

            .gallery-track {
                height: 450px;
            }

            .gallery-overlay {
                padding: 60px 40px 40px;
            }

            .gallery-title {
                font-size: 1.75rem;
            }

            .gallery-description {
                font-size: 1rem;
            }

            .courses-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .features-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .about-stats {
                grid-template-columns: repeat(3, 1fr);
            }

            .testimonial-card {
                padding: 40px 32px;
            }

            .testimonial-text {
                font-size: 1.125rem;
            }

            .cta-content h2 {
                font-size: 2.5rem;
            }

            .cta-buttons {
                flex-direction: row;
                justify-content: center;
            }

            .footer-content {
                grid-template-columns: repeat(2, 1fr);
            }

            .footer-about {
                order: 0;
                grid-column: 1 / -1;
            }
        }

        /* Desktop Styles */
        @media (min-width: 1024px) {
            .container {
                padding: 0 32px;
            }

            .section {
                padding: 120px 0;
            }

            .section-title h2 {
                font-size: 2.5rem;
            }

            /* Header Desktop */
            .mobile-menu-btn {
                display: none;
            }

            .desktop-nav {
                display: flex;
                align-items: center;
                gap: 32px;
                flex-grow: 1;
                margin-left: 32px;
            }

            .nav-links {
                flex-direction: row;
                gap: 4px;
            }

            .nav-link {
                padding: 8px 16px;
                font-size: 0.9375rem;
            }

            .nav-link i {
                display: none;
            }

            .header-actions {
                display: flex;
                align-items: center;
                gap: 16px;
                margin-left: auto;
            }

            .search-container {
                margin-bottom: 0;
                width: 240px;
            }

            /* Hero Desktop */
            .hero {
                padding: 140px 0 120px;
            }

            .hero-content {
                display: grid;
                grid-template-columns: 1fr 1fr;
                gap: 80px;
                align-items: center;
            }

            .hero-image {
                margin-top: 0;
            }

            .hero-text h1 {
                font-size: 3.5rem;
            }

            .gallery-track {
                height: 500px;
            }

            .gallery-overlay {
                padding: 80px 60px 60px;
            }

            .gallery-title {
                font-size: 2rem;
            }

            /* Courses Desktop */
            .courses-grid {
                grid-template-columns: repeat(3, 1fr);
                gap: 32px;
            }

            /* Features Desktop */
            .features-grid {
                grid-template-columns: repeat(4, 1fr);
                gap: 32px;
            }

            /* About Desktop */
            .about-wrapper {
                flex-direction: row;
                justify-content: space-between;
                align-items: center;
                gap: 64px;
            }

            .about-intro {
                text-align: left;
                flex: 1;
                max-width: 480px;
            }

            .about-intro h2::after {
                margin: 16px 0 0;
            }

            .about-stats {
                grid-template-columns: repeat(3, 1fr);
                gap: 28px;
                flex: 1;
                max-width: 560px;
            }

            .about-stat-card {
                padding: 36px 24px;
            }

            .about-stat-number {
                font-size: 2.75rem;
            }

            /* Instructors Desktop */
            .instructors-grid {
                grid-template-columns: repeat(3, 1fr);
                gap: 32px;
            }

            /* Footer Desktop - 4 sections: SpeakSmart, Quick Links, Resources, Contact Us */
            .footer-content {
                grid-template-columns: 2fr repeat(3, 1fr);
                gap: 40px;
            }

            .footer-section {
                min-width: 0;
            }

            .footer-about {
                grid-column: span 1;
            }

            .back-to-top {
                bottom: 40px;
                right: 40px;
            }
        }

        /* Large Desktop */
        @media (min-width: 1280px) {
            .container {
                max-width: 1280px;
            }

            .courses-grid {
                grid-template-columns: repeat(4, 1fr);
            }

            .gallery-track {
                height: 550px;
            }
        }

        /* Dark Mode Support */
        

        /* Filter Buttons - Responsive */
        .filters {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            margin-bottom: 32px;
            justify-content: center;
        }

        .filter-btn {
            padding: 10px 20px;
            border: 2px solid var(--border);
            background: var(--white);
            color: var(--text-medium);
            border-radius: var(--radius-full);
            font-weight: 600;
            font-size: 0.875rem;
            cursor: pointer;
            transition: var(--transition-fast);
            white-space: nowrap;
        }

        .filter-btn:hover {
            border-color: var(--primary);
            color: var(--primary);
            background: var(--primary-extra-light);
        }

        .filter-btn.active {
            background: var(--primary);
            color: var(--white);
            border-color: var(--primary);
        }

        /* Courses Header */
        .courses-header {
            padding: 120px 0 60px;
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            color: var(--white);
        }

        .courses-header h1 {
            font-size: 2rem;
            margin-bottom: 16px;
        }

        .courses-header p {
            font-size: 1.125rem;
            opacity: 0.9;
        }

        /* Reduced Motion */
        @media (prefers-reduced-motion: reduce) {
            *,
            *::before,
            *::after {
                animation-duration: 0.01ms !important;
                animation-iteration-count: 1 !important;
                transition-duration: 0.01ms !important;
                scroll-behavior: auto !important;
            }
        }

        /* Mobile-specific responsive fixes */
        @media (max-width: 480px) {
            .courses-header {
                padding: 100px 0 40px;
            }

            .courses-header h1 {
                font-size: 1.75rem;
            }

            .courses-header p {
                font-size: 1rem;
            }

            .filters {
                gap: 8px;
            }

            .filter-btn {
                padding: 8px 16px;
                font-size: 0.8125rem;
            }

            .gallery-track {
                height: 300px;
            }

            .gallery-controls {
                top: 12px;
                right: 12px;
            }

            .gallery-btn {
                width: 36px;
                height: 36px;
            }

            .gallery-dots {
                bottom: 12px;
            }

            .hero-text h1 {
                font-size: 2rem;
            }

            .hero-text p {
                font-size: 1rem;
            }

            .hero-stats {
                gap: 16px;
            }

            .stat-number {
                font-size: 1.5rem;
            }

            .stat-label {
                font-size: 0.75rem;
            }

            .testimonial-card {
                padding: 24px 16px;
            }

            .testimonial-text {
                font-size: 0.9375rem;
            }

            .cta-content h2 {
                font-size: 1.75rem;
            }

            .back-to-top {
                bottom: 16px;
                right: 16px;
                width: 44px;
                height: 44px;
            }

            .course-details {
                font-size: 0.7rem;
                flex-wrap: wrap;
            }

            .course-details span {
                font-size: 0.65rem;
            }
        }
        }