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

        body {
            font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
            line-height: 1.6;
            color: #333;
        }

        /* Hero Section */
        .hero {
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            color: white;
            padding: 80px 20px;
            text-align: center;
        }

        .hero h1 {
            font-size: 3rem;
            margin-bottom: 20px;
            font-weight: 700;
        }

        .hero p {
            font-size: 1.3rem;
            margin-bottom: 30px;
            opacity: 0.95;
            max-width: 700px;
            margin-left: auto;
            margin-right: auto;
        }

        .cta-button {
            display: inline-block;
            padding: 15px 40px;
            background: white;
            color: #667eea;
            text-decoration: none;
            border-radius: 50px;
            font-weight: 600;
            font-size: 1.1rem;
            transition: transform 0.3s, box-shadow 0.3s;
            box-shadow: 0 4px 15px rgba(0,0,0,0.2);
        }

        .cta-button:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(0,0,0,0.3);
        }

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

        /* Stats Section */
        .stats-section {
            padding: 60px 20px;
            background: #f8f9fa;
        }

        .stats-header {
            text-align: center;
            margin-bottom: 50px;
        }

        .stats-header h2 {
            font-size: 2.5rem;
            color: #2d3748;
            margin-bottom: 15px;
        }

        .stats-header p {
            font-size: 1.2rem;
            color: #718096;
        }

        .stats-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 30px;
            margin-bottom: 40px;
        }

        .stat-card {
            background: white;
            padding: 30px;
            border-radius: 12px;
            box-shadow: 0 2px 10px rgba(0,0,0,0.08);
            text-align: center;
            transition: transform 0.3s, box-shadow 0.3s;
        }

        .stat-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 5px 20px rgba(0,0,0,0.12);
        }

        .stat-number {
            font-size: 2.5rem;
            font-weight: 700;
            color: #667eea;
            margin-bottom: 10px;
        }

        .stat-label {
            font-size: 1rem;
            color: #718096;
            text-transform: uppercase;
            letter-spacing: 1px;
        }

        /* Features Section */
        .features-section {
            padding: 80px 20px;
        }

        .section-title {
            text-align: center;
            font-size: 2.5rem;
            color: #2d3748;
            margin-bottom: 60px;
        }

        .features-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 40px;
        }

        .feature-card {
            padding: 40px 30px;
            border-radius: 12px;
            background: linear-gradient(135deg, #f6f8fb 0%, #ffffff 100%);
            border: 2px solid #e2e8f0;
            transition: all 0.3s;
        }

        .feature-card:hover {
            border-color: #667eea;
            transform: translateY(-5px);
        }

        .feature-icon {
            width: 60px;
            height: 60px;
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 2rem;
            margin-bottom: 20px;
        }

        .feature-card h3 {
            font-size: 1.5rem;
            color: #2d3748;
            margin-bottom: 15px;
        }

        .feature-card p {
            color: #718096;
            font-size: 1rem;
            line-height: 1.7;
        }

        .feature-link {
            display: inline-block;
            margin-top: 15px;
            color: #667eea;
            text-decoration: none;
            font-weight: 600;
            transition: color 0.3s;
        }

        .feature-link:hover {
            color: #764ba2;
        }

        /* CTA Section */
        .cta-section {
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            color: white;
            padding: 80px 20px;
            text-align: center;
        }

        .cta-section h2 {
            font-size: 2.5rem;
            margin-bottom: 20px;
        }

        .cta-section p {
            font-size: 1.2rem;
            margin-bottom: 30px;
            opacity: 0.95;
        }

        .cta-button-secondary {
            display: inline-block;
            padding: 15px 40px;
            background: transparent;
            color: white;
            text-decoration: none;
            border: 2px solid white;
            border-radius: 50px;
            font-weight: 600;
            font-size: 1.1rem;
            transition: all 0.3s;
            margin: 0 10px;
        }

        .cta-button-secondary:hover {
            background: white;
            color: #667eea;
        }

        /* Footer */
        footer {
            background: #2d3748;
            color: white;
            padding: 40px 20px;
            text-align: center;
        }

        footer p {
            opacity: 0.8;
        }

        /* Responsive */
        @media (max-width: 768px) {
            .hero h1 {
                font-size: 2rem;
            }

            .hero p {
                font-size: 1.1rem;
            }

            .stats-header h2,
            .section-title,
            .cta-section h2 {
                font-size: 2rem;
            }

            .features-grid {
                grid-template-columns: 1fr;
            }
        }
        /* Navbar */
        .navbar {
            background: white;
            box-shadow: 0 2px 10px rgba(0,0,0,0.1);
            position: sticky;
            top: 0;
            z-index: 1000;
        }

        .navbar-container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            height: 70px;
        }

        .navbar-logo {
            font-size: 1.5rem;
            font-weight: 700;
            color: #667eea;
            text-decoration: none;
        }

        .navbar-menu {
            display: flex;
            align-items: center;
            gap: 30px;
        }

        .navbar-link {
            color: #4a5568;
            text-decoration: none;
            font-weight: 500;
            transition: color 0.3s;
        }

        .navbar-link:hover {
            color: #667eea;
        }

        .navbar-buttons {
            display: flex;
            gap: 15px;
            align-items: center;
        }

        .btn-login {
            color: #667eea;
            text-decoration: none;
            font-weight: 600;
            padding: 8px 20px;
            transition: color 0.3s;
        }

        .btn-login:hover {
            color: #764ba2;
        }

        .btn-signup {
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            color: white;
            text-decoration: none;
            padding: 10px 25px;
            border-radius: 25px;
            font-weight: 600;
            transition: transform 0.3s, box-shadow 0.3s;
        }

        .btn-signup:hover {
            transform: translateY(-2px);
            box-shadow: 0 4px 15px rgba(102, 126, 234, 0.4);
        }

        .btn-logout {
            background: transparent;
            color: #e53e3e;
            text-decoration: none;
            padding: 8px 20px;
            border: 2px solid #e53e3e;
            border-radius: 25px;
            font-weight: 600;
            transition: all 0.3s;
        }

        .btn-logout:hover {
            background: #e53e3e;
            color: white;
        }

        .user-welcome {
            color: #4a5568;
            font-weight: 500;
        }

        /* Mobile Menu */
        .mobile-menu-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 1.5rem;
            color: #4a5568;
            cursor: pointer;
        }

        .navbar-mobile {
            display: none;
            position: absolute;
            top: 70px;
            left: 0;
            right: 0;
            background: white;
            box-shadow: 0 4px 10px rgba(0,0,0,0.1);
            padding: 20px;
        }

        .navbar-mobile.active {
            display: block;
        }

        .navbar-mobile-links {
            display: flex;
            flex-direction: column;
            gap: 15px;
            margin-bottom: 20px;
        }

        .navbar-mobile-buttons {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

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

            .navbar-buttons {
                display: none;
            }

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