/* ===== CSS Custom Properties ===== */
        :root {
            --primary: #2563EB;
            --primary-dark: #1D4ED8;
            --primary-light: #3B82F6;
            --primary-bg: #EFF6FF;
            --secondary: #1E3A5F;
            --accent: #F59E0B;
            --text-dark: #1F2937;
            --text-medium: #4B5563;
            --text-light: #6B7280;
            --white: #FFFFFF;
            --gray-50: #F9FAFB;
            --gray-100: #F3F4F6;
            --gray-200: #E5E7EB;
            --gray-300: #D1D5DB;
            --success: #10B981;
            --shadow-sm: 0 1px 3px rgba(0,0,0,0.1);
            --shadow-md: 0 4px 12px rgba(0,0,0,0.1);
            --shadow-lg: 0 10px 30px rgba(0,0,0,0.12);
            --shadow-xl: 0 20px 50px rgba(0,0,0,0.15);
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --radius-xl: 24px;
            --transition: all 0.3s ease;
            --font-main: 'Segoe UI', system-ui, -apple-system, sans-serif;
        }

        /* ===== Reset & Base ===== */
        *, *::before, *::after {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }

        html {
            scroll-behavior: smooth;
            scroll-padding-top: 80px;
        }

        body {
            font-family: var(--font-main);
            color: var(--text-dark);
            line-height: 1.6;
            overflow-x: hidden;
            background: var(--white);
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: var(--transition);
        }

        ul { list-style: none; }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }

        /* ===== Keyframe Animations ===== */
        @keyframes fadeInUp {
            from { opacity: 0; transform: translateY(40px); }
            to { opacity: 1; transform: translateY(0); }
        }

        @keyframes fadeInLeft {
            from { opacity: 0; transform: translateX(-40px); }
            to { opacity: 1; transform: translateX(0); }
        }

        @keyframes fadeInRight {
            from { opacity: 0; transform: translateX(40px); }
            to { opacity: 1; transform: translateX(0); }
        }

        @keyframes scaleIn {
            from { opacity: 0; transform: scale(0.9); }
            to { opacity: 1; transform: scale(1); }
        }

        @keyframes float {
            0%, 100% { transform: translateY(0); }
            50% { transform: translateY(-10px); }
        }

        @keyframes pulse {
            0%, 100% { transform: scale(1); }
            50% { transform: scale(1.05); }
        }

        @keyframes slideDown {
            from { opacity: 0; transform: translateY(-20px); }
            to { opacity: 1; transform: translateY(0); }
        }

        @keyframes countUp {
            from { opacity: 0; transform: translateY(20px); }
            to { opacity: 1; transform: translateY(0); }
        }

        @keyframes shimmer {
            0% { background-position: -200% center; }
            100% { background-position: 200% center; }
        }

        /* ===== Scroll Animation Classes ===== */
        .animate-on-scroll {
            opacity: 0;
            transform: translateY(40px);
            transition: opacity 0.7s ease, transform 0.7s ease;
        }

        .animate-on-scroll.visible {
            opacity: 1;
            transform: translateY(0);
        }

        .animate-left {
            opacity: 0;
            transform: translateX(-40px);
            transition: opacity 0.7s ease, transform 0.7s ease;
        }

        .animate-left.visible {
            opacity: 1;
            transform: translateX(0);
        }

        .animate-right {
            opacity: 0;
            transform: translateX(40px);
            transition: opacity 0.7s ease, transform 0.7s ease;
        }

        .animate-right.visible {
            opacity: 1;
            transform: translateX(0);
        }

        .animate-scale {
            opacity: 0;
            transform: scale(0.9);
            transition: opacity 0.6s ease, transform 0.6s ease;
        }

        .animate-scale.visible {
            opacity: 1;
            transform: scale(1);
        }

        /* ===== Navbar ===== */
        .navbar {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.97);
            backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--gray-200);
            transition: var(--transition);
            animation: slideDown 0.5s ease;
        }

        .navbar.scrolled {
            box-shadow: var(--shadow-md);
        }

        .navbar .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 76px;
        }

        .nav-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.5rem;
            font-weight: 800;
            color: var(--primary);
        }

        .nav-logo .logo-icon {
            width: 40px;
            height: 40px;
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--white);
            font-size: 1.2rem;
            font-weight: 900;
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 32px;
        }

        .nav-links a {
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--text-medium);
            position: relative;
            padding: 4px 0;
        }

        .nav-links a::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--primary);
            transition: width 0.3s ease;
            border-radius: 2px;
        }

        .nav-links a:hover {
            color: var(--primary);
        }

        .nav-links a:hover::after {
            width: 100%;
        }

        .nav-buttons {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 24px;
            border-radius: var(--radius-sm);
            font-size: 0.95rem;
            font-weight: 600;
            cursor: pointer;
            border: none;
            transition: var(--transition);
            white-space: nowrap;
        }

        .btn-outline {
            background: transparent;
            color: var(--primary);
            border: 2px solid var(--primary);
        }

        .btn-outline:hover {
            background: var(--primary);
            color: var(--white);
            transform: translateY(-2px);
            box-shadow: 0 4px 12px rgba(37, 99, 235, 0.3);
        }

        .btn-primary {
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            color: var(--white);
            border: none;
            box-shadow: 0 4px 12px rgba(37, 99, 235, 0.3);
        }

        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(37, 99, 235, 0.4);
        }

        .btn-white {
            background: var(--white);
            color: var(--primary);
            border: none;
            box-shadow: var(--shadow-md);
        }

        .btn-white:hover {
            transform: translateY(-2px);
            box-shadow: var(--shadow-lg);
        }

        .btn-large {
            padding: 16px 32px;
            font-size: 1.05rem;
            border-radius: var(--radius-md);
        }

        .hamburger {
            display: none;
            flex-direction: column;
            gap: 5px;
            cursor: pointer;
            padding: 8px;
            background: none;
            border: none;
        }

        .hamburger span {
            width: 26px;
            height: 3px;
            background: var(--text-dark);
            border-radius: 3px;
            transition: var(--transition);
        }

        .hamburger.active span:nth-child(1) {
            transform: rotate(45deg) translate(5px, 6px);
        }

        .hamburger.active span:nth-child(2) {
            opacity: 0;
        }

        .hamburger.active span:nth-child(3) {
            transform: rotate(-45deg) translate(5px, -6px);
        }

        /* ===== Hero Section ===== */
        .hero {
            padding: 140px 0 80px;
            background: linear-gradient(135deg, var(--primary-bg) 0%, var(--white) 50%, #DBEAFE 100%);
            position: relative;
            overflow: hidden;
        }

        .hero::before {
            content: '';
            position: absolute;
            top: -50%;
            right: -20%;
            width: 600px;
            height: 600px;
            background: radial-gradient(circle, rgba(37, 99, 235, 0.06) 0%, transparent 70%);
            border-radius: 50%;
        }

        .hero .container {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 60px;
            align-items: center;
        }

        .hero-content {
            animation: fadeInLeft 0.8s ease;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(37, 99, 235, 0.1);
            color: var(--primary);
            padding: 8px 16px;
            border-radius: 50px;
            font-size: 0.85rem;
            font-weight: 600;
            margin-bottom: 24px;
        }

        .hero-badge::before {
            content: '\2605';
            font-size: 0.9rem;
        }

        .hero h1 {
            font-size: 3.2rem;
            font-weight: 800;
            line-height: 1.15;
            color: var(--secondary);
            margin-bottom: 20px;
        }

        .hero h1 span {
            color: var(--primary);
            position: relative;
        }

        .hero h1 span::after {
            content: '';
            position: absolute;
            bottom: 4px;
            left: 0;
            width: 100%;
            height: 8px;
            background: rgba(37, 99, 235, 0.15);
            border-radius: 4px;
        }

        .hero-subtitle {
            font-size: 1.15rem;
            color: var(--text-medium);
            margin-bottom: 32px;
            line-height: 1.7;
            max-width: 520px;
        }

        .hero-buttons {
            display: flex;
            gap: 16px;
            margin-bottom: 40px;
            flex-wrap: wrap;
        }

        .hero-trust {
            display: flex;
            align-items: center;
            gap: 16px;
            flex-wrap: wrap;
        }

        .trust-avatars {
            display: flex;
        }

        .trust-avatars img {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            border: 3px solid var(--white);
            margin-left: -10px;
            object-fit: cover;
        }

        .trust-avatars img:first-child {
            margin-left: 0;
        }

        .trust-text {
            font-size: 0.9rem;
            color: var(--text-medium);
        }

        .trust-text strong {
            color: var(--text-dark);
        }

        .hero-cities {
            display: flex;
            gap: 10px;
            margin-top: 16px;
            flex-wrap: wrap;
        }

        .city-badge {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            background: var(--white);
            border: 1px solid var(--gray-200);
            padding: 6px 12px;
            border-radius: 50px;
            font-size: 0.8rem;
            color: var(--text-medium);
            font-weight: 500;
        }

        .city-badge::before {
            content: '\1F4CD';
            font-size: 0.75rem;
        }

        .hero-image {
            position: relative;
            animation: fadeInRight 0.8s ease;
        }

        .hero-image img {
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-xl);
            width: 100%;
            height: 480px;
            object-fit: cover;
        }

        .hero-image .floating-card {
            position: absolute;
            background: var(--white);
            border-radius: var(--radius-md);
            padding: 16px 20px;
            box-shadow: var(--shadow-lg);
            animation: float 3s ease-in-out infinite;
        }

        .hero-image .floating-card.card-1 {
            bottom: -20px;
            left: -30px;
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .floating-card .card-icon {
            width: 44px;
            height: 44px;
            background: linear-gradient(135deg, #10B981, #059669);
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--white);
            font-size: 1.2rem;
        }

        .floating-card .card-label {
            font-size: 0.8rem;
            color: var(--text-light);
        }

        .floating-card .card-value {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--text-dark);
        }

        .hero-image .floating-card.card-2 {
            top: 20px;
            right: -20px;
            text-align: center;
            animation-delay: 1s;
        }

        .floating-card.card-2 .card-value {
            color: var(--primary);
            font-size: 1.4rem;
        }

        /* ===== Stats Section ===== */
        .stats {
            padding: 60px 0;
            background: var(--white);
            border-bottom: 1px solid var(--gray-200);
        }

        .stats .container {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 32px;
        }

        .stat-item {
            text-align: center;
            padding: 24px;
            border-radius: var(--radius-md);
            transition: var(--transition);
        }

        .stat-item:hover {
            background: var(--primary-bg);
            transform: translateY(-4px);
        }

        .stat-number {
            font-size: 2.8rem;
            font-weight: 800;
            color: var(--primary);
            line-height: 1;
            margin-bottom: 8px;
        }

        .stat-label {
            font-size: 0.95rem;
            color: var(--text-medium);
            font-weight: 500;
        }

        /* ===== Section Styles ===== */
        .section {
            padding: 100px 0;
        }

        .section-header {
            text-align: center;
            margin-bottom: 60px;
        }

        .section-label {
            display: inline-block;
            background: rgba(37, 99, 235, 0.1);
            color: var(--primary);
            padding: 6px 16px;
            border-radius: 50px;
            font-size: 0.85rem;
            font-weight: 600;
            margin-bottom: 16px;
            text-transform: uppercase;
            letter-spacing: 0.5px;
        }

        .section-title {
            font-size: 2.4rem;
            font-weight: 800;
            color: var(--secondary);
            margin-bottom: 16px;
        }

        .section-subtitle {
            font-size: 1.1rem;
            color: var(--text-light);
            max-width: 600px;
            margin: 0 auto;
        }

        /* ===== Why Choose Section ===== */
        .why-choose {
            background: var(--gray-50);
        }

        .features-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 28px;
        }

        .feature-card {
            background: var(--white);
            border-radius: var(--radius-md);
            padding: 36px 28px;
            text-align: center;
            border: 1px solid var(--gray-200);
            transition: var(--transition);
            position: relative;
            overflow: hidden;
        }

        .feature-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 4px;
            background: linear-gradient(90deg, var(--primary), var(--primary-light));
            transform: scaleX(0);
            transition: transform 0.3s ease;
        }

        .feature-card:hover {
            transform: translateY(-8px);
            box-shadow: var(--shadow-lg);
            border-color: transparent;
        }

        .feature-card:hover::before {
            transform: scaleX(1);
        }

        .feature-icon {
            width: 68px;
            height: 68px;
            background: var(--primary-bg);
            border-radius: var(--radius-md);
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 20px;
            font-size: 1.8rem;
            transition: var(--transition);
        }

        .feature-card:hover .feature-icon {
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            transform: scale(1.1);
        }

        .feature-card:hover .feature-icon span {
            filter: brightness(10);
        }

        .feature-card h3 {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--text-dark);
            margin-bottom: 12px;
        }

        .feature-card p {
            font-size: 0.9rem;
            color: var(--text-light);
            line-height: 1.6;
        }

        /* ===== Courses Section ===== */
        .courses {
            background: var(--white);
        }

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

        .course-card {
            background: var(--white);
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--gray-200);
            transition: var(--transition);
            position: relative;
        }

        .course-card:hover {
            transform: translateY(-8px);
            box-shadow: var(--shadow-xl);
            border-color: transparent;
        }

        .course-card.featured {
            border: 2px solid var(--primary);
        }

        .course-card.featured .course-badge {
            display: block;
        }

        .course-badge {
            display: none;
            position: absolute;
            top: 16px;
            right: 16px;
            background: var(--accent);
            color: var(--white);
            padding: 4px 12px;
            border-radius: 50px;
            font-size: 0.75rem;
            font-weight: 700;
            z-index: 2;
            text-transform: uppercase;
        }

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

        .course-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s ease;
        }

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

        .course-image::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 60px;
            background: linear-gradient(to top, rgba(0,0,0,0.3), transparent);
        }

        .course-content {
            padding: 28px;
        }

        .course-tag {
            display: inline-block;
            background: var(--primary-bg);
            color: var(--primary);
            padding: 4px 12px;
            border-radius: 50px;
            font-size: 0.8rem;
            font-weight: 600;
            margin-bottom: 12px;
        }

        .course-content h3 {
            font-size: 1.3rem;
            font-weight: 700;
            color: var(--text-dark);
            margin-bottom: 12px;
        }

        .course-content p {
            font-size: 0.9rem;
            color: var(--text-light);
            margin-bottom: 20px;
            line-height: 1.6;
        }

        .course-features {
            margin-bottom: 24px;
        }

        .course-features li {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 8px 0;
            font-size: 0.9rem;
            color: var(--text-medium);
            border-bottom: 1px solid var(--gray-100);
        }

        .course-features li:last-child {
            border-bottom: none;
        }

        .course-features li::before {
            content: '\2713';
            color: var(--success);
            font-weight: 700;
            font-size: 0.85rem;
            flex-shrink: 0;
        }

        .course-price {
            display: flex;
            align-items: baseline;
            gap: 4px;
            margin-bottom: 20px;
        }

        .course-price .amount {
            font-size: 1.6rem;
            font-weight: 800;
            color: var(--primary);
        }

        .course-price .period {
            font-size: 0.9rem;
            color: var(--text-light);
        }

        .course-card .btn {
            width: 100%;
        }

        /* ===== CTA Banner ===== */
        .cta-banner {
            padding: 80px 0;
            background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 50%, #1E3A8A 100%);
            position: relative;
            overflow: hidden;
        }

        .cta-banner::before {
            content: '';
            position: absolute;
            top: -50%;
            right: -10%;
            width: 500px;
            height: 500px;
            background: radial-gradient(circle, rgba(255,255,255,0.08) 0%, transparent 70%);
            border-radius: 50%;
        }

        .cta-banner::after {
            content: '';
            position: absolute;
            bottom: -30%;
            left: -10%;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(255,255,255,0.05) 0%, transparent 70%);
            border-radius: 50%;
        }

        .cta-banner .container {
            text-align: center;
            position: relative;
            z-index: 1;
        }

        .cta-banner h2 {
            font-size: 2.4rem;
            font-weight: 800;
            color: var(--white);
            margin-bottom: 16px;
        }

        .cta-banner p {
            font-size: 1.15rem;
            color: rgba(255,255,255,0.85);
            margin-bottom: 36px;
            max-width: 600px;
            margin-left: auto;
            margin-right: auto;
        }

        /* ===== Testimonials ===== */
        .testimonials {
            background: var(--gray-50);
        }

        .testimonials-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 32px;
        }

        .testimonial-card {
            background: var(--white);
            border-radius: var(--radius-lg);
            padding: 36px;
            border: 1px solid var(--gray-200);
            transition: var(--transition);
            position: relative;
        }

        .testimonial-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-lg);
        }

        .testimonial-quote {
            font-size: 2.5rem;
            color: var(--primary);
            opacity: 0.3;
            line-height: 1;
            margin-bottom: 12px;
            font-family: Georgia, serif;
        }

        .testimonial-text {
            font-size: 0.95rem;
            color: var(--text-medium);
            line-height: 1.7;
            margin-bottom: 24px;
            font-style: italic;
        }

        .testimonial-author {
            display: flex;
            align-items: center;
            gap: 14px;
        }

        .testimonial-author img {
            width: 52px;
            height: 52px;
            border-radius: 50%;
            object-fit: cover;
            border: 3px solid var(--primary-bg);
        }

        .testimonial-author .name {
            font-size: 1rem;
            font-weight: 700;
            color: var(--text-dark);
        }

        .testimonial-author .rank {
            font-size: 0.85rem;
            color: var(--primary);
            font-weight: 600;
        }

        .testimonial-stars {
            color: var(--accent);
            font-size: 0.9rem;
            margin-bottom: 16px;
            letter-spacing: 2px;
        }

        /* ===== Contact Section ===== */
        .contact {
            background: var(--white);
        }

        .contact-wrapper {
            display: grid;
            grid-template-columns: 1fr 380px;
            gap: 48px;
            align-items: start;
        }

        .contact-form {
            background: var(--white);
            border-radius: var(--radius-lg);
            padding: 40px;
            border: 1px solid var(--gray-200);
            box-shadow: var(--shadow-sm);
        }

        .contact-form h3 {
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--text-dark);
            margin-bottom: 8px;
        }

        .contact-form > p {
            font-size: 0.95rem;
            color: var(--text-light);
            margin-bottom: 28px;
        }

        .form-row {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 16px;
        }

        .form-group {
            margin-bottom: 20px;
        }

        .form-group label {
            display: block;
            font-size: 0.9rem;
            font-weight: 600;
            color: var(--text-dark);
            margin-bottom: 8px;
        }

        .form-group input,
        .form-group select,
        .form-group textarea {
            width: 100%;
            padding: 12px 16px;
            border: 2px solid var(--gray-200);
            border-radius: var(--radius-sm);
            font-size: 0.95rem;
            font-family: var(--font-main);
            color: var(--text-dark);
            transition: var(--transition);
            background: var(--white);
        }

        .form-group input:focus,
        .form-group select:focus,
        .form-group textarea:focus {
            outline: none;
            border-color: var(--primary);
            box-shadow: 0 0 0 4px rgba(37, 99, 235, 0.1);
        }

        .form-group textarea {
            resize: vertical;
            min-height: 120px;
        }

        .contact-info {
            background: linear-gradient(135deg, var(--secondary), #0F2847);
            border-radius: var(--radius-lg);
            padding: 40px;
            color: var(--white);
        }

        .contact-info h3 {
            font-size: 1.4rem;
            font-weight: 700;
            margin-bottom: 12px;
        }

        .contact-info > p {
            font-size: 0.9rem;
            color: rgba(255,255,255,0.7);
            margin-bottom: 32px;
            line-height: 1.6;
        }

        .info-item {
            display: flex;
            align-items: flex-start;
            gap: 16px;
            margin-bottom: 28px;
        }

        .info-icon {
            width: 44px;
            height: 44px;
            background: rgba(255,255,255,0.1);
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.1rem;
            flex-shrink: 0;
        }

        .info-item .info-label {
            font-size: 0.8rem;
            color: rgba(255,255,255,0.6);
            margin-bottom: 4px;
            text-transform: uppercase;
            letter-spacing: 0.5px;
        }

        .info-item .info-value {
            font-size: 0.95rem;
            font-weight: 500;
        }

        .social-links {
            display: flex;
            gap: 12px;
            margin-top: 36px;
            padding-top: 28px;
            border-top: 1px solid rgba(255,255,255,0.15);
        }

        .social-links a {
            width: 40px;
            height: 40px;
            background: rgba(255,255,255,0.1);
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--white);
            font-size: 1rem;
            transition: var(--transition);
        }

        .social-links a:hover {
            background: var(--primary);
            transform: translateY(-3px);
        }

        /* ===== Footer ===== */
        .footer {
            background: #0B1426;
            color: rgba(255,255,255,0.8);
            padding: 80px 0 0;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr 1fr;
            gap: 40px;
            padding-bottom: 60px;
            border-bottom: 1px solid rgba(255,255,255,0.1);
        }

        .footer-brand .footer-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.4rem;
            font-weight: 800;
            color: var(--white);
            margin-bottom: 16px;
        }

        .footer-brand .footer-logo .logo-icon {
            width: 36px;
            height: 36px;
            background: linear-gradient(135deg, var(--primary), var(--primary-light));
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--white);
            font-size: 1rem;
            font-weight: 900;
        }

        .footer-brand p {
            font-size: 0.9rem;
            line-height: 1.7;
            color: rgba(255,255,255,0.6);
            margin-bottom: 20px;
        }

        .footer-social {
            display: flex;
            gap: 10px;
        }

        .footer-social a {
            width: 36px;
            height: 36px;
            background: rgba(255,255,255,0.08);
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: rgba(255,255,255,0.7);
            transition: var(--transition);
            font-size: 0.9rem;
        }

        .footer-social a:hover {
            background: var(--primary);
            color: var(--white);
            transform: translateY(-3px);
        }

        .footer-column h4 {
            font-size: 1rem;
            font-weight: 700;
            color: var(--white);
            margin-bottom: 20px;
        }

        .footer-column ul li {
            margin-bottom: 12px;
        }

        .footer-column ul li a {
            font-size: 0.9rem;
            color: rgba(255,255,255,0.6);
            transition: var(--transition);
        }

        .footer-column ul li a:hover {
            color: var(--white);
            padding-left: 4px;
        }

        .footer-bottom {
            padding: 24px 0;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 16px;
        }

        .footer-bottom p {
            font-size: 0.85rem;
            color: rgba(255,255,255,0.5);
        }

        .footer-bottom-links {
            display: flex;
            gap: 24px;
        }

        .footer-bottom-links a {
            font-size: 0.85rem;
            color: rgba(255,255,255,0.5);
        }

        .footer-bottom-links a:hover {
            color: var(--white);
        }

        /* ===== Mobile Menu ===== */
        .mobile-menu {
            display: none;
            position: fixed;
            top: 76px;
            left: 0;
            right: 0;
            background: var(--white);
            padding: 24px;
            box-shadow: var(--shadow-lg);
            z-index: 999;
            border-top: 1px solid var(--gray-200);
        }

        .mobile-menu.active {
            display: block;
            animation: slideDown 0.3s ease;
        }

        .mobile-menu a {
            display: block;
            padding: 14px 0;
            font-size: 1rem;
            font-weight: 500;
            color: var(--text-medium);
            border-bottom: 1px solid var(--gray-100);
        }

        .mobile-menu a:hover {
            color: var(--primary);
        }

        .mobile-menu .mobile-buttons {
            display: flex;
            gap: 12px;
            margin-top: 20px;
        }

        .mobile-menu .mobile-buttons .btn {
            flex: 1;
        }

        /* ===== Back to Top ===== */
        .back-to-top {
            position: fixed;
            bottom: 30px;
            right: 30px;
            width: 48px;
            height: 48px;
            background: var(--primary);
            color: var(--white);
            border: none;
            border-radius: 50%;
            font-size: 1.2rem;
            cursor: pointer;
            box-shadow: var(--shadow-md);
            transition: var(--transition);
            opacity: 0;
            visibility: hidden;
            z-index: 900;
        }

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

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

        /* ===== Responsive - Tablet (1024px) ===== */
        @media (max-width: 1024px) {
            .hero .container {
                grid-template-columns: 1fr;
                gap: 40px;
                text-align: center;
            }

            .hero h1 {
                font-size: 2.6rem;
            }

            .hero-subtitle {
                margin: 0 auto 32px;
            }

            .hero-buttons {
                justify-content: center;
            }

            .hero-trust {
                justify-content: center;
            }

            .hero-cities {
                justify-content: center;
            }

            .hero-image img {
                height: 380px;
            }

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

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

            .courses-grid .course-card:last-child {
                grid-column: 1 / -1;
                max-width: 500px;
                margin: 0 auto;
            }

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

            .testimonials-grid .testimonial-card:last-child {
                grid-column: 1 / -1;
                max-width: 500px;
                margin: 0 auto;
            }

            .contact-wrapper {
                grid-template-columns: 1fr;
            }

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

            .footer-brand {
                grid-column: 1 / -1;
            }

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

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

        /* ===== Responsive - Mobile (768px) ===== */
        @media (max-width: 768px) {
            .nav-links,
            .nav-buttons {
                display: none;
            }

            .hamburger {
                display: flex;
            }

            .hero {
                padding: 120px 0 60px;
            }

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

            .hero-subtitle {
                font-size: 1rem;
            }

            .hero-image .floating-card {
                display: none;
            }

            .hero-image img {
                height: 280px;
            }

            .stats .container {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }

            .stat-number {
                font-size: 2rem;
            }

            .section {
                padding: 60px 0;
            }

            .section-title {
                font-size: 1.7rem;
            }

            .section-header {
                margin-bottom: 40px;
            }

            .features-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }

            .courses-grid {
                grid-template-columns: 1fr;
            }

            .courses-grid .course-card:last-child {
                max-width: none;
            }

            .testimonials-grid {
                grid-template-columns: 1fr;
            }

            .testimonials-grid .testimonial-card:last-child {
                max-width: none;
            }

            .cta-banner h2 {
                font-size: 1.8rem;
            }

            .contact-form {
                padding: 28px;
            }

            .form-row {
                grid-template-columns: 1fr;
            }

            .contact-info {
                padding: 28px;
            }

            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 32px;
            }

            .footer-brand {
                grid-column: 1 / -1;
            }

            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }

            .btn-large {
                padding: 14px 24px;
                font-size: 0.95rem;
            }
        }

        @media (max-width: 480px) {
            .hero h1 {
                font-size: 1.7rem;
            }

            .hero-buttons {
                flex-direction: column;
                align-items: center;
            }

            .hero-buttons .btn {
                width: 100%;
            }

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

            .footer-grid {
                grid-template-columns: 1fr;
            }
        }