@import url('https://fonts.googleapis.com/css?family=Roboto&display=swap');

* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }

        body {
            font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
            line-height: 1.7;
            color: #e2e8f0;
            background: linear-gradient(135deg, #0f172a 0%, #1e293b 50%, #334155 100%);
            min-height: 100vh;
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }

        .header {
            background: rgba(15, 23, 42, 0.8);
            backdrop-filter: blur(20px);
            border-bottom: 1px solid rgba(100, 116, 139, 0.2);
            padding: 20px 0;
            position: sticky;
            top: 0;
            z-index: 100;
        }

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

        .logo {
            font-size: 28px;
            font-weight: 800;
            background: linear-gradient(135deg, #06b6d4, #3b82f6, #8b5cf6);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .hero {
            padding: 55px 0 80px;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .hero::before {
            content: '';
            position: absolute;
            top: -50%;
            left: -50%;
            width: 200%;
            height: 200%;
            background: radial-gradient(circle, rgba(59, 130, 246, 0.1) 0%, transparent 70%);
            animation: pulse 8s ease-in-out infinite;
        }

        @keyframes pulse {
            0%, 100% { transform: scale(1) rotate(0deg); opacity: 0.5; }
            50% { transform: scale(1.1) rotate(180deg); opacity: 0.8; }
        }

        .hero-content {
            position: relative;
            z-index: 10;
        }

        .hero h1 {
            font-size: 4rem;
            font-weight: 900;
            margin-bottom: 24px;
            background: linear-gradient(135deg, #ffffff, #94a3b8);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            line-height: 1.1;
        }

        .hero-subtitle {
            font-size: 1.25rem;
            color: #94a3b8;
            margin-bottom: 40px;
            max-width: 600px;
            margin-left: auto;
            margin-right: auto;
        }

        .cta-button {
            display: inline-block;
            background: linear-gradient(135deg, #3b82f6, #8b5cf6);
            color: white;
            padding: 16px 48px;
            border-radius: 50px;
            text-decoration: none;
            font-weight: 600;
            font-size: 18px;
            transition: all 0.3s ease;
            box-shadow: 0 10px 40px rgba(59, 130, 246, 0.3);
            border: 2px solid transparent;
        }

        .cta-button:hover {
            transform: translateY(-3px);
            box-shadow: 0 20px 60px rgba(59, 130, 246, 0.4);
            border-color: rgba(255, 255, 255, 0.2);
        }

        .features {
            padding: 80px 0;
            background: rgba(15, 23, 42, 0.5);
        }

        .features-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 30px;
            margin-top: 60px;
        }

        .feature-card {
            background: rgba(30, 41, 59, 0.6);
            backdrop-filter: blur(10px);
            border: 1px solid rgba(100, 116, 139, 0.2);
            border-radius: 20px;
            padding: 40px;
            transition: all 0.3s ease;
            position: relative;
            overflow: hidden;
        }

        .feature-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: linear-gradient(90deg, #3b82f6, #8b5cf6, #06b6d4);
        }

        .feature-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 30px 80px rgba(0, 0, 0, 0.3);
            border-color: rgba(59, 130, 246, 0.3);
        }

        .feature-icon {
            font-size: 48px;
            margin-bottom: 20px;
            display: block;
        }

        .feature-title {
            font-size: 24px;
            font-weight: 700;
            margin-bottom: 16px;
            color: #ffffff;
        }

        .feature-description {
            color: #94a3b8;
            line-height: 1.6;
        }

        .curriculum {
            padding: 80px 0;
        }

        .section-title {
            text-align: center;
            font-size: 3rem;
            font-weight: 800;
            margin-bottom: 60px;
            background: linear-gradient(135deg, #ffffff, #94a3b8);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .curriculum-modules {
            display: grid;
            gap: 30px;
        }

        .module {
            background: rgba(30, 41, 59, 0.4);
            backdrop-filter: blur(10px);
            border: 1px solid rgba(100, 116, 139, 0.2);
            border-radius: 20px;
            padding: 40px;
            transition: all 0.3s ease;
        }

        .module:hover {
            border-color: rgba(59, 130, 246, 0.4);
            transform: translateY(-5px);
        }

        .module-title {
            font-size: 28px;
            font-weight: 700;
            color: #3b82f6;
            margin-bottom: 20px;
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .module-number {
            background: linear-gradient(135deg, #3b82f6, #8b5cf6);
            color: white;
            width: 40px;
            height: 40px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            font-size: 18px;
        }

        .lessons-list {
            list-style: none;
            display: grid;
            gap: 12px;
        }

        .lesson-item {
            background: rgba(51, 65, 85, 0.3);
            padding: 16px 20px;
            border-radius: 12px;
            border-left: 4px solid #3b82f6;
            transition: all 0.2s ease;
        }

        .lesson-item:hover {
            background: rgba(51, 65, 85, 0.5);
            transform: translateX(8px);
        }

        .lesson-number {
            color: #3b82f6;
            font-weight: 600;
            margin-right: 12px;
        }

        .contact {
            padding: 80px 0;
            background: rgba(15, 23, 42, 0.8);
            text-align: center;
        }

        .contact-content {
            max-width: 600px;
            margin: 0 auto;
        }

        .contact-info {
            background: rgba(30, 41, 59, 0.6);
            backdrop-filter: blur(10px);
            border: 1px solid rgba(100, 116, 139, 0.2);
            border-radius: 20px;
            padding: 40px;
            margin-top: 40px;
        }

        .footer {
            background: rgba(15, 23, 42, 0.9);
            border-top: 1px solid rgba(100, 116, 139, 0.2);
            padding: 40px 0;
            text-align: center;
            color: #64748b;
        }

        @media (max-width: 768px) {
            .hero h1 { font-size: 2.5rem; }
            .section-title { font-size: 2rem; }
            .features-grid { grid-template-columns: 1fr; }
            .module-title { font-size: 24px; }
        }