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

        body {
            font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
            background: linear-gradient(135deg, #0a0a14 0%, #0f0a1f 50%, #0a0a14 100%);
            background-size: 400% 400%;
            color: #e4e4e7;
            line-height: 1.6;
            overflow-x: hidden;
            position: relative;
        }

        /* Animated gradient orbs */
        body::before {
            content: '';
            position: fixed;
            top: -50%;
            left: -50%;
            width: 200%;
            height: 200%;
            background:
                radial-gradient(circle at 20% 30%, rgba(0, 245, 255, 0.08) 0%, transparent 25%),
                radial-gradient(circle at 80% 70%, rgba(139, 92, 246, 0.08) 0%, transparent 25%),
                radial-gradient(circle at 40% 80%, rgba(59, 130, 246, 0.06) 0%, transparent 30%);
            animation: gradient-drift 20s ease infinite;
            pointer-events: none;
            z-index: 0;
        }

        /* Noise texture overlay */
        body::after {
            content: '';
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noiseFilter'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noiseFilter)' opacity='0.03'/%3E%3C/svg%3E");
            pointer-events: none;
            z-index: 1;
            mix-blend-mode: overlay;
        }

        @keyframes gradient-drift {
            0% {
                transform: translate(0, 0) rotate(0deg);
            }
            33% {
                transform: translate(10%, -10%) rotate(120deg);
            }
            66% {
                transform: translate(-10%, 10%) rotate(240deg);
            }
            100% {
                transform: translate(0, 0) rotate(360deg);
            }
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
            position: relative;
            z-index: 2;
        }

        /* Navbar */
        .navbar {
            position: fixed;
            top: 0;
            width: 100%;
            background: rgba(10, 10, 20, 0.85);
            backdrop-filter: blur(16px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.05);
            z-index: 1000;
            padding: 16px 0;
        }

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

        .logo-img {
            height: 40px;
            width: auto;
        }

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

        .nav-links a {
            color: #e4e4e7;
            text-decoration: none;
            font-weight: 500;
            font-size: 15px;
            transition: color 0.3s ease;
        }

        .nav-links a:hover {
            color: #00f5ff;
        }

        .btn-nav {
            background: linear-gradient(135deg, #00d4e6 0%, #7c3aed 100%);
            color: white;
            padding: 10px 24px;
            border-radius: 10px;
            font-weight: 600;
            transition: all 0.3s ease;
            text-shadow: 0 1px 3px rgba(0, 0, 0, 0.3);
        }

        .btn-nav:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 30px rgba(0, 245, 255, 0.3);
        }

        .mobile-menu-toggle {
            display: none;
            flex-direction: column;
            gap: 6px;
            background: none;
            border: none;
            cursor: pointer;
        }

        .mobile-menu-toggle span {
            width: 25px;
            height: 2px;
            background: #e4e4e7;
            transition: 0.3s;
        }

        .mobile-menu {
            display: none;
            position: fixed;
            top: 72px;
            left: 0;
            right: 0;
            background: rgba(10, 10, 20, 0.95);
            backdrop-filter: blur(16px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.05);
            padding: 20px;
            flex-direction: column;
            gap: 16px;
            z-index: 999;
        }

        .mobile-menu a {
            color: #e4e4e7;
            text-decoration: none;
            font-weight: 500;
            font-size: 16px;
            padding: 12px;
            border-radius: 8px;
            transition: background 0.3s ease;
        }

        .mobile-menu a:hover {
            background: rgba(255, 255, 255, 0.05);
        }

        /* Hero Section */
        .hero {
            padding: 140px 0 80px;
            position: relative;
            z-index: 2;
            background: radial-gradient(circle at 50% 0%, rgba(0, 245, 255, 0.08) 0%, transparent 50%),
                        radial-gradient(circle at 80% 20%, rgba(139, 92, 246, 0.08) 0%, transparent 50%);
        }

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

        .badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(0, 245, 255, 0.1);
            border: 1px solid rgba(0, 245, 255, 0.2);
            padding: 8px 16px;
            border-radius: 20px;
            font-size: 14px;
            font-weight: 600;
            color: #00f5ff;
            margin-bottom: 24px;
        }

        .hero h1 {
            font-family: 'Space Grotesk', sans-serif;
            font-size: 56px;
            font-weight: 700;
            line-height: 1.1;
            margin-bottom: 24px;
        }

        .gradient-text {
            background: linear-gradient(135deg, #00f5ff 0%, #8b5cf6 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .neon-text {
            background: linear-gradient(135deg, #00f5ff 0%, #8b5cf6 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            text-shadow: 0 0 30px rgba(0, 245, 255, 0.5);
            filter: drop-shadow(0 0 20px rgba(139, 92, 246, 0.5));
        }

        .hero-description {
            font-size: 20px;
            color: #a1a1aa;
            margin-bottom: 32px;
            line-height: 1.6;
        }

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

        .btn {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 16px 32px;
            border-radius: 12px;
            font-size: 16px;
            font-weight: 600;
            text-decoration: none;
            transition: all 0.3s ease;
            cursor: pointer;
        }

        .btn-primary {
            background: linear-gradient(135deg, #0891b2 0%, #7c3aed 100%);
            color: white;
            border: none;
            text-shadow: 0 1px 2px rgba(0, 0, 0, 0.2);
        }

        .btn-primary:hover {
            transform: translateY(-3px);
            box-shadow: 0 12px 40px rgba(0, 245, 255, 0.4);
        }

        .btn-secondary {
            background: rgba(255, 255, 255, 0.05);
            color: #e4e4e7;
            border: 1px solid rgba(255, 255, 255, 0.1);
        }

        .btn-secondary:hover {
            background: rgba(255, 255, 255, 0.1);
            border-color: rgba(255, 255, 255, 0.2);
        }

        .hero-stats {
            display: flex;
            gap: 48px;
        }

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

        .stat-number {
            font-size: 32px;
            font-weight: 700;
            background: linear-gradient(135deg, #00f5ff 0%, #8b5cf6 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            margin-bottom: 4px;
        }

        .stat-label {
            font-size: 14px;
            color: #71717a;
        }

        /* Chat Demo */
        .chat-demo {
            background: rgba(20, 20, 31, 0.6);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: 20px;
            overflow: hidden;
            backdrop-filter: blur(10px);
        }

        .chat-header {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 20px;
            background: rgba(0, 0, 0, 0.3);
            border-bottom: 1px solid rgba(255, 255, 255, 0.05);
        }

        .chat-avatar {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            overflow: hidden;
        }

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

        .chat-name {
            font-weight: 600;
            font-size: 16px;
        }

        .chat-status {
            font-size: 13px;
            color: #71717a;
        }

        .chat-messages {
            padding: 20px;
            display: flex;
            flex-direction: column;
            gap: 16px;
            max-height: 400px;
            overflow-y: auto;
        }

        /* Custom scrollbar for chat */
        .chat-messages::-webkit-scrollbar {
            width: 8px;
        }

        .chat-messages::-webkit-scrollbar-track {
            background: rgba(0, 0, 0, 0.2);
            border-radius: 10px;
        }

        .chat-messages::-webkit-scrollbar-thumb {
            background: rgba(139, 92, 246, 0.5);
            border-radius: 10px;
        }

        .chat-messages::-webkit-scrollbar-thumb:hover {
            background: rgba(139, 92, 246, 0.7);
        }

        .chat-message {
            display: flex;
            flex-direction: column;
        }

        .message-bubble {
            padding: 12px 16px;
            border-radius: 16px;
            max-width: 85%;
            font-size: 14px;
            line-height: 1.5;
        }

        .user-message .message-bubble {
            background: linear-gradient(135deg, #0891b2 0%, #7c3aed 100%);
            color: white;
            margin-left: auto;
            border-bottom-right-radius: 4px;
            text-shadow: 0 1px 2px rgba(0, 0, 0, 0.2);
        }

        .ai-message .message-bubble {
            background: rgba(255, 255, 255, 0.05);
            color: #e4e4e7;
            border-bottom-left-radius: 4px;
        }

        .chat-input-demo {
            padding: 16px 20px;
            border-top: 1px solid rgba(255, 255, 255, 0.05);
            background: rgba(0, 0, 0, 0.2);
            color: #71717a;
            font-size: 14px;
        }

        /* Problem Section */
        .problem-section {
            padding: 100px 0;
            position: relative;
            z-index: 2;
            background: radial-gradient(circle at 20% 50%, rgba(139, 92, 246, 0.05) 0%, transparent 50%);
        }

        .section-header {
            text-align: center;
            max-width: 800px;
            margin: 0 auto 60px;
        }

        .section-header h2 {
            font-family: 'Space Grotesk', sans-serif;
            font-size: 42px;
            font-weight: 700;
            margin-bottom: 16px;
            line-height: 1.2;
        }

        .section-header p {
            font-size: 18px;
            color: #a1a1aa;
        }

        .highlight {
            color: #00f5ff;
            position: relative;
        }

        .problem-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .problem-card {
            background: rgba(20, 20, 31, 0.6);
            border: 1px solid rgba(255, 255, 255, 0.05);
            border-radius: 16px;
            padding: 32px;
            transition: all 0.4s ease;
        }

        .problem-card:hover {
            background: rgba(20, 20, 31, 0.8);
            border-color: rgba(0, 245, 255, 0.3);
            transform: translateY(-5px);
        }

        .problem-icon {
            width: 48px;
            height: 48px;
            color: #00f5ff;
            margin-bottom: 20px;
        }

        .problem-card h3 {
            font-size: 20px;
            font-weight: 600;
            margin-bottom: 12px;
            color: #fafafa;
        }

        .problem-card p {
            color: #a1a1aa;
            font-size: 15px;
            line-height: 1.6;
        }

        /* Students Section */
        .students-section {
            padding: 100px 0;
            position: relative;
            z-index: 2;
            background: radial-gradient(circle at 80% 50%, rgba(0, 245, 255, 0.05) 0%, transparent 50%);
        }

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

        .student-card {
            background: linear-gradient(135deg, rgba(0, 245, 255, 0.05) 0%, rgba(139, 92, 246, 0.05) 100%);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: 20px;
            padding: 40px;
            text-align: center;
            transition: all 0.4s ease;
        }

        .student-card:hover {
            background: linear-gradient(135deg, rgba(0, 245, 255, 0.08) 0%, rgba(139, 92, 246, 0.08) 100%);
            transform: translateY(-8px);
            box-shadow: 0 20px 60px rgba(0, 0, 0, 0.4);
        }

        .student-icon {
            width: 56px;
            height: 56px;
            color: #8b5cf6;
            margin: 0 auto 24px;
        }

        .student-card h3 {
            font-size: 24px;
            font-weight: 700;
            margin-bottom: 16px;
            background: linear-gradient(135deg, #00f5ff 0%, #8b5cf6 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .student-card p {
            color: #a1a1aa;
            line-height: 1.7;
        }

        /* Features Section */
        .features-section {
            padding: 100px 0;
            position: relative;
            z-index: 2;
            background: radial-gradient(circle at 30% 50%, rgba(139, 92, 246, 0.08) 0%, transparent 50%);
        }

        .features-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .feature-card {
            background: rgba(20, 20, 31, 0.6);
            border: 1px solid rgba(255, 255, 255, 0.08);
            border-radius: 20px;
            padding: 32px;
            transition: all 0.4s ease;
            position: relative;
            overflow: hidden;
        }

        .feature-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 2px;
            background: linear-gradient(90deg, transparent, #00f5ff, transparent);
            opacity: 0;
            transition: opacity 0.4s ease;
        }

        .feature-card:hover {
            background: rgba(20, 20, 31, 0.9);
            border-color: rgba(0, 245, 255, 0.3);
            transform: translateY(-8px);
            box-shadow: 0 20px 60px rgba(0, 245, 255, 0.15);
        }

        .feature-card:hover::before {
            opacity: 1;
        }

        .feature-icon {
            width: 56px;
            height: 56px;
            color: #8b5cf6;
            margin-bottom: 20px;
        }

        .feature-card h3 {
            font-size: 20px;
            font-weight: 700;
            margin-bottom: 12px;
            color: #fafafa;
        }

        .feature-card p {
            color: #a1a1aa;
            line-height: 1.6;
            margin-bottom: 16px;
        }

        .feature-tag {
            display: inline-block;
            background: rgba(0, 245, 255, 0.1);
            color: #00f5ff;
            padding: 6px 12px;
            border-radius: 6px;
            font-size: 12px;
            font-weight: 600;
            border: 1px solid rgba(0, 245, 255, 0.2);
        }

        /* How It Works Section */
        .how-it-works {
            padding: 100px 0;
            position: relative;
            z-index: 2;
            background: radial-gradient(circle at 70% 50%, rgba(0, 245, 255, 0.06) 0%, transparent 50%);
        }

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

        .steps-container::before {
            content: '';
            position: absolute;
            top: 40px;
            left: 10%;
            right: 10%;
            height: 2px;
            background: linear-gradient(90deg, #00f5ff, #8b5cf6, #00f5ff);
            opacity: 0.2;
            z-index: 0;
        }

        .step {
            position: relative;
            z-index: 1;
            text-align: center;
        }

        .step-number {
            width: 80px;
            height: 80px;
            border-radius: 50%;
            background: linear-gradient(135deg, #0891b2 0%, #7c3aed 100%);
            color: white;
            font-size: 32px;
            font-weight: 700;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 24px;
            box-shadow: 0 8px 30px rgba(0, 245, 255, 0.3);
            text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
        }

        .step h3 {
            font-size: 20px;
            font-weight: 700;
            margin-bottom: 12px;
            color: #fafafa;
        }

        .step p {
            color: #a1a1aa;
            line-height: 1.6;
            font-size: 15px;
        }

        /* Privacy Section */
        .privacy-section {
            padding: 100px 0;
            position: relative;
            z-index: 2;
            background: radial-gradient(circle at 40% 50%, rgba(139, 92, 246, 0.08) 0%, transparent 50%);
        }

        .privacy-content {
            max-width: 900px;
            margin: 0 auto;
            text-align: center;
        }

        .privacy-badge {
            display: inline-flex;
            align-items: center;
            gap: 12px;
            background: rgba(139, 92, 246, 0.1);
            border: 1px solid rgba(139, 92, 246, 0.3);
            padding: 12px 24px;
            border-radius: 30px;
            margin-bottom: 24px;
        }

        .privacy-badge svg {
            width: 24px;
            height: 24px;
            color: #8b5cf6;
        }

        .privacy-badge span {
            color: #8b5cf6;
            font-weight: 700;
            font-size: 14px;
        }

        .privacy-content h2 {
            font-family: 'Space Grotesk', sans-serif;
            font-size: 42px;
            font-weight: 700;
            margin-bottom: 20px;
        }

        .privacy-intro {
            font-size: 18px;
            color: #a1a1aa;
            margin-bottom: 60px;
        }

        .privacy-features {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 32px;
            text-align: left;
        }

        .privacy-item {
            display: flex;
            gap: 20px;
            background: rgba(20, 20, 31, 0.6);
            border: 1px solid rgba(255, 255, 255, 0.08);
            border-radius: 16px;
            padding: 28px;
            transition: all 0.3s ease;
        }

        .privacy-item:hover {
            background: rgba(20, 20, 31, 0.8);
            border-color: rgba(139, 92, 246, 0.3);
            transform: translateX(5px);
        }

        .privacy-item svg {
            width: 40px;
            height: 40px;
            color: #8b5cf6;
            flex-shrink: 0;
        }

        .privacy-text h3 {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 8px;
            color: #fafafa;
        }

        .privacy-text p {
            color: #a1a1aa;
            line-height: 1.6;
            font-size: 15px;
        }

        /* Social Proof Section */
        .social-proof {
            padding: 100px 0;
            position: relative;
            z-index: 2;
            background: radial-gradient(circle at 60% 50%, rgba(0, 245, 255, 0.05) 0%, transparent 50%);
        }

        .stats-row {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }

        .stat-card {
            background: rgba(239, 68, 68, 0.1);
            border: 1px solid rgba(239, 68, 68, 0.3);
            border-radius: 16px;
            padding: 40px 24px;
            text-align: center;
            transition: all 0.3s ease;
        }

        .stat-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 40px rgba(239, 68, 68, 0.2);
        }

        .stat-big {
            font-size: 56px;
            font-weight: 700;
            background: linear-gradient(135deg, #ef4444 0%, #dc2626 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            margin-bottom: 12px;
        }

        .stat-card p {
            color: #fca5a5;
            line-height: 1.6;
            font-size: 15px;
        }

        /* Download Section */
        .download-section {
            padding: 120px 0;
            position: relative;
            z-index: 2;
            background: radial-gradient(circle at 50% 50%, rgba(0, 245, 255, 0.1) 0%, transparent 60%),
                        radial-gradient(circle at 50% 50%, rgba(139, 92, 246, 0.1) 0%, transparent 60%);
            text-align: center;
        }

        .download-content h2 {
            font-family: 'Space Grotesk', sans-serif;
            font-size: 48px;
            font-weight: 700;
            margin-bottom: 16px;
        }

        .download-content p {
            font-size: 20px;
            color: #a1a1aa;
            margin-bottom: 40px;
        }

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

        .store-btn {
            display: flex;
            align-items: center;
            gap: 16px;
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid rgba(255, 255, 255, 0.1);
            padding: 16px 32px;
            border-radius: 16px;
            text-decoration: none;
            transition: all 0.3s ease;
        }

        .store-btn:hover {
            background: rgba(255, 255, 255, 0.1);
            border-color: rgba(255, 255, 255, 0.2);
            transform: translateY(-3px);
            box-shadow: 0 12px 40px rgba(0, 0, 0, 0.3);
        }

        .store-btn svg {
            width: 36px;
            height: 36px;
            color: #fafafa;
            fill: #fafafa;
        }

        .store-text {
            display: flex;
            flex-direction: column;
            align-items: flex-start;
            text-align: left;
        }

        .store-text .small {
            font-size: 12px;
            color: #a1a1aa;
        }

        .store-text .large {
            font-size: 18px;
            font-weight: 700;
            color: #fafafa;
        }

        /* Professionals Section */
        .professionals-section {
            padding: 100px 0;
            position: relative;
            z-index: 2;
            background: radial-gradient(circle at 30% 50%, rgba(139, 92, 246, 0.06) 0%, transparent 50%);
        }

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

        .professionals-text .badge {
            background: rgba(139, 92, 246, 0.1);
            border-color: rgba(139, 92, 246, 0.2);
            color: #8b5cf6;
        }

        .professionals-text h2 {
            font-family: 'Space Grotesk', sans-serif;
            font-size: 42px;
            font-weight: 700;
            margin-bottom: 20px;
            line-height: 1.2;
        }

        .section-description {
            font-size: 18px;
            color: #a1a1aa;
            line-height: 1.7;
            margin-bottom: 40px;
        }

        .professionals-benefits {
            display: flex;
            flex-direction: column;
            gap: 28px;
            margin-bottom: 40px;
        }

        .benefit-item {
            display: flex;
            gap: 20px;
            padding: 24px;
            background: rgba(20, 20, 31, 0.6);
            border: 1px solid rgba(255, 255, 255, 0.05);
            border-radius: 16px;
            transition: all 0.3s ease;
        }

        .benefit-item:hover {
            background: rgba(20, 20, 31, 0.8);
            border-color: rgba(139, 92, 246, 0.3);
        }

        .benefit-icon {
            width: 40px;
            height: 40px;
            color: #8b5cf6;
            flex-shrink: 0;
        }

        .benefit-item h3 {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 8px;
            color: #fafafa;
        }

        .benefit-item p {
            color: #a1a1aa;
            line-height: 1.6;
            font-size: 15px;
        }

        .professionals-cta {
            display: flex;
            gap: 16px;
            margin-bottom: 40px;
        }

        .professionals-stats {
            display: flex;
            gap: 48px;
        }

        .pro-stat {
            text-align: left;
        }

        .pro-stat-number {
            font-size: 32px;
            font-weight: 700;
            background: linear-gradient(135deg, #00f5ff 0%, #8b5cf6 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            margin-bottom: 4px;
        }

        .pro-stat-label {
            font-size: 14px;
            color: #71717a;
        }

        .testimonial-card {
            background: rgba(20, 20, 31, 0.8);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: 20px;
            padding: 32px;
            margin-bottom: 24px;
        }

        .testimonial-header {
            display: flex;
            gap: 16px;
            margin-bottom: 20px;
        }

        .testimonial-avatar {
            width: 56px;
            height: 56px;
            border-radius: 50%;
            overflow: hidden;
            border: 2px solid #8b5cf6;
        }

        .testimonial-name {
            font-weight: 700;
            font-size: 16px;
            color: #fafafa;
        }

        .testimonial-title {
            font-size: 14px;
            color: #71717a;
        }

        .testimonial-text {
            color: #d4d4d8;
            line-height: 1.7;
            margin-bottom: 16px;
            font-style: italic;
        }

        .coin-badge {
            background: linear-gradient(135deg, #fbbf24 0%, #f59e0b 100%);
            color: #0a0a0f;
            padding: 8px 16px;
            border-radius: 20px;
            font-size: 14px;
            font-weight: 700;
            display: inline-block;
        }

        .impact-stats {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 20px;
        }

        .impact-item {
            background: rgba(20, 20, 31, 0.8);
            border: 1px solid rgba(0, 245, 255, 0.2);
            border-radius: 16px;
            padding: 24px;
            text-align: center;
        }

        .impact-number {
            font-size: 48px;
            font-weight: 700;
            background: linear-gradient(135deg, #00f5ff 0%, #8b5cf6 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            margin-bottom: 8px;
        }

        .impact-item p {
            color: #a1a1aa;
            font-size: 14px;
            line-height: 1.5;
        }

        /* Footer */
        .footer {
            position: relative;
            z-index: 2;
            background: rgba(0, 0, 0, 0.4);
            border-top: 1px solid rgba(255, 255, 255, 0.05);
            padding: 60px 0 30px;
        }

        .footer-content {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 60px;
            margin-bottom: 40px;
        }

        .footer-logo {
            width: 50px;
            height: 50px;
            margin-bottom: 16px;
        }

        .footer-brand p {
            color: #71717a;
            font-size: 15px;
        }

        .footer-column h4 {
            color: #fafafa;
            font-size: 16px;
            font-weight: 700;
            margin-bottom: 16px;
        }

        .footer-column a {
            display: block;
            color: #a1a1aa;
            text-decoration: none;
            font-size: 14px;
            margin-bottom: 12px;
            transition: color 0.3s ease;
        }

        .footer-column a:hover {
            color: #00f5ff;
        }

        .footer-bottom {
            text-align: center;
            padding-top: 30px;
            border-top: 1px solid rgba(255, 255, 255, 0.05);
        }

        .footer-bottom p {
            color: #71717a;
            font-size: 14px;
        }

        /* Responsive Design */
        @media (max-width: 1024px) {
            .hero-content,
            .professionals-content {
                grid-template-columns: 1fr;
                gap: 40px;
            }

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

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

            .steps-container::before {
                display: none;
            }
        }

        @media (max-width: 768px) {
            .nav-links {
                display: none;
            }

            .mobile-menu-toggle {
                display: flex;
            }

            .hero h1 {
                font-size: 40px;
            }

            .section-header h2 {
                font-size: 32px;
            }

            .features-grid,
            .problem-grid,
            .students-grid,
            .stats-row {
                grid-template-columns: 1fr;
            }

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

            .privacy-features {
                grid-template-columns: 1fr;
            }

            .store-buttons {
                flex-direction: column;
                align-items: stretch;
                width: 100%;
            }

            .store-btn {
                width: 100%;
                justify-content: center;
            }

            .hero-stats {
                flex-wrap: wrap;
                gap: 24px;
            }

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

            .professionals-stats {
                flex-wrap: wrap;
                gap: 24px;
            }

            .cta-buttons {
                flex-direction: column;
            }

            .professionals-cta {
                flex-direction: column;
            }
        }
