:root {
            --primary: #3b82f6;
            --primary-dark: #2563eb;
            --primary-light: #60a5fa;
            --accent: #8b5cf6;
            --accent-light: #a78bfa;
            --dark: #0a0a0a;
            --dark-secondary: #111827;
            --dark-tertiary: #1f2937;
            --light: #ffffff;
            --gray-100: #f3f4f6;
            --gray-300: #d1d5db;
            --gray-500: #6b7280;
            --gray-700: #374151;
            --gray-800: #1f2937;
            --gray-900: #111827;
            --surface: rgba(255, 255, 255, 0.02);
            --surface-hover: rgba(255, 255, 255, 0.05);
            --border: rgba(255, 255, 255, 0.08);
            --border-hover: rgba(59, 130, 246, 0.3);
            --shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.5), 0 4px 6px -2px rgba(0, 0, 0, 0.1);
            --glow: 0 0 20px rgba(59, 130, 246, 0.15);
        }
        
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        
        body {
            font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
            background: radial-gradient(ellipse at top, #111827 0%, #0a0a0a 50%, #000000 100%);
            color: var(--light);
            line-height: 1.7;
            min-height: 100vh;
            display: flex;
            flex-direction: column;
            position: relative;
            overflow-x: hidden;
        }
        
        body::before {
            content: '';
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: 
                radial-gradient(circle at 20% 20%, rgba(59, 130, 246, 0.1) 0%, transparent 50%),
                radial-gradient(circle at 80% 80%, rgba(139, 92, 246, 0.1) 0%, transparent 50%),
                radial-gradient(circle at 40% 60%, rgba(16, 185, 129, 0.05) 0%, transparent 50%);
            pointer-events: none;
            z-index: -1;
        }
        
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 2rem;
            position: relative;
        }
        
        /* Header Styles */
        header {
            padding: 2.5rem 0;
            border-bottom: 1px solid var(--border);
            backdrop-filter: blur(20px);
            position: relative;
        }
        
        .logo {
            display: flex;
            align-items: center;
            gap: 1rem;
            font-size: 1.875rem;
            font-weight: 800;
            color: var(--light);
            letter-spacing: -0.025em;
        }
        
        .logo-icon {
            font-size: 2.25rem;
            background: linear-gradient(135deg, var(--primary), var(--accent));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            filter: drop-shadow(0 0 8px rgba(59, 130, 246, 0.3));
        }
        
        /* Hero Section */
        .hero {
            padding: 8rem 0 6rem;
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        
        .hero::before {
            content: "";
            position: absolute;
            top: -20%;
            left: 50%;
            transform: translateX(-50%);
            width: 120%;
            height: 120%;
            background: radial-gradient(ellipse at center, rgba(59, 130, 246, 0.08) 0%, transparent 60%);
            z-index: -1;
        }
        
        .hero h1 {
            font-size: 4rem;
            font-weight: 900;
            margin-bottom: 2rem;
            background: linear-gradient(135deg, var(--primary-light) 0%, var(--accent-light) 50%, var(--primary) 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            line-height: 1.1;
            letter-spacing: -0.02em;
            filter: drop-shadow(0 0 20px rgba(59, 130, 246, 0.2));
            animation: glow 3s ease-in-out infinite alternate;
        }
        
        @keyframes glow {
            from { filter: drop-shadow(0 0 20px rgba(59, 130, 246, 0.2)); }
            to { filter: drop-shadow(0 0 30px rgba(59, 130, 246, 0.4)); }
        }
        
        .hero p {
            font-size: 1.375rem;
            max-width: 800px;
            margin: 0 auto 3rem;
            color: var(--gray-300);
            font-weight: 400;
            line-height: 1.6;
        }
        
        .badges {
            display: flex;
            justify-content: center;
            gap: 1.5rem;
            flex-wrap: wrap;
            margin-bottom: 4rem;
        }
        
        .badge {
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: 2rem;
            padding: 0.75rem 1.5rem;
            font-size: 0.875rem;
            font-weight: 600;
            display: flex;
            align-items: center;
            gap: 0.75rem;
            backdrop-filter: blur(20px);
            transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            box-shadow: var(--shadow);
        }
        
        .badge:hover {
            background: var(--surface-hover);
            border-color: var(--border-hover);
            transform: translateY(-2px);
            box-shadow: var(--glow), var(--shadow);
        }
        
        .badge-icon {
            font-size: 1.125rem;
            background: linear-gradient(135deg, var(--primary), var(--accent));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        
        /* Features Section */
        .features {
            padding: 6rem 0;
            background: var(--surface);
            backdrop-filter: blur(20px);
            border: 1px solid var(--border);
            border-radius: 2rem;
            margin: 4rem 0;
            box-shadow: var(--shadow);
            position: relative;
        }
        
        .features::before {
            content: '';
            position: absolute;
            inset: 0;
            border-radius: 2rem;
            padding: 1px;
            background: linear-gradient(135deg, var(--primary), var(--accent), transparent);
            mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
            mask-composite: exclude;
            pointer-events: none;
        }
        
        .section-title {
            text-align: center;
            font-size: 2.5rem;
            font-weight: 800;
            margin-bottom: 4rem;
            color: var(--light);
            letter-spacing: -0.025em;
        }
        
        .feature-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
            gap: 2.5rem;
            padding: 0 1rem;
        }
        
        .feature-card {
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: 1.5rem;
            padding: 2.5rem;
            transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
            position: relative;
            overflow: hidden;
        }
        
        .feature-card::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, transparent, rgba(59, 130, 246, 0.02), transparent);
            opacity: 0;
            transition: opacity 0.4s ease;
        }
        
        .feature-card:hover {
            transform: translateY(-8px);
            border-color: var(--border-hover);
            box-shadow: var(--glow), var(--shadow);
        }
        
        .feature-card:hover::before {
            opacity: 1;
        }
        
        .feature-icon {
            font-size: 3rem;
            margin-bottom: 2rem;
            background: linear-gradient(135deg, var(--primary), var(--accent));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            filter: drop-shadow(0 0 10px rgba(59, 130, 246, 0.3));
        }
        
        .feature-card h3 {
            font-size: 1.625rem;
            font-weight: 700;
            margin-bottom: 1.25rem;
            color: var(--light);
            letter-spacing: -0.025em;
        }
        
        .feature-card p {
            color: var(--gray-300);
            font-size: 1.0625rem;
            line-height: 1.6;
        }
        
        /* Call to Action */
        .cta {
            text-align: center;
            padding: 6rem 0;
            max-width: 800px;
            margin: 0 auto;
            position: relative;
        }
        
        .cta h2 {
            font-size: 2.5rem;
            font-weight: 800;
            margin-bottom: 2rem;
            color: var(--light);
            letter-spacing: -0.025em;
        }
        
        .cta p {
            color: var(--gray-300);
            margin-bottom: 3rem;
            font-size: 1.25rem;
            line-height: 1.6;
            max-width: 600px;
            margin-left: auto;
            margin-right: auto;
            margin-bottom: 3rem;
        }
        
        .email-form {
            display: flex;
            max-width: 540px;
            margin: 0 auto;
            gap: 1rem;
            padding: 0.5rem;
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: 1rem;
            backdrop-filter: blur(20px);
            box-shadow: var(--shadow);
        }
        
        .email-input {
            flex: 1;
            padding: 1rem 1.5rem;
            border: none;
            border-radius: 0.75rem;
            background: transparent;
            color: var(--light);
            font-size: 1rem;
            outline: none;
            font-weight: 500;
        }
        
        .email-input::placeholder {
            color: var(--gray-500);
        }
        
        .notify-btn {
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            color: var(--light);
            border: none;
            border-radius: 0.75rem;
            padding: 1rem 2rem;
            font-weight: 700;
            font-size: 1rem;
            cursor: pointer;
            transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            position: relative;
            overflow: hidden;
        }
        
        .notify-btn::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, var(--primary-light), var(--accent));
            opacity: 0;
            transition: opacity 0.3s ease;
        }
        
        .notify-btn:hover::before {
            opacity: 1;
        }
        
        .notify-btn:hover {
            transform: translateY(-2px);
            box-shadow: var(--glow), var(--shadow);
        }
        
        .notify-btn span {
            position: relative;
            z-index: 1;
        }
        
        /* Success Modal */
        .modal {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: rgba(0, 0, 0, 0.8);
            backdrop-filter: blur(10px);
            z-index: 1000;
            animation: fadeIn 0.3s ease-out;
        }
        
        .modal.show {
            display: flex;
            align-items: center;
            justify-content: center;
            padding: 2rem;
        }
        
        .modal-content {
            background: linear-gradient(135deg, var(--glass-bg) 0%, rgba(255, 255, 255, 0.02) 100%);
            backdrop-filter: blur(20px);
            border: 1px solid var(--border);
            border-radius: 20px;
            padding: 0;
            max-width: 500px;
            width: 100%;
            box-shadow: var(--shadow), 0 0 80px rgba(139, 92, 246, 0.3);
            transform: scale(0.9);
            animation: modalSlideIn 0.4s ease-out forwards;
        }
        
        .modal-header {
            text-align: center;
            padding: 3rem 2rem 1rem;
        }
        
        .success-icon {
            font-size: 3rem;
            margin-bottom: 1rem;
            animation: bounce 0.6s ease-out 0.2s;
        }
        
        .modal-header h3 {
            font-size: 1.5rem;
            font-weight: 600;
            color: var(--text-primary);
            margin: 0;
        }
        
        .modal-body {
            padding: 0 2rem 2rem;
            text-align: center;
        }
        
        .modal-body p {
            color: var(--gray-300);
            line-height: 1.6;
            margin-bottom: 2rem;
        }
        
        .modal-benefits {
            display: flex;
            flex-direction: column;
            gap: 1rem;
            margin-bottom: 2rem;
        }
        
        .benefit {
            display: flex;
            align-items: center;
            gap: 0.75rem;
            padding: 0.75rem 1rem;
            background: rgba(139, 92, 246, 0.1);
            border: 1px solid rgba(139, 92, 246, 0.2);
            border-radius: 12px;
            font-size: 0.875rem;
            color: var(--gray-200);
        }
        
        .benefit-icon {
            font-size: 1.1rem;
        }
        
        .modal-footer {
            padding: 0 2rem 3rem;
            text-align: center;
        }
        
        .modal-close-btn {
            background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
            color: white;
            border: none;
            padding: 1rem 2.5rem;
            border-radius: 12px;
            font-weight: 600;
            font-size: 1rem;
            cursor: pointer;
            transition: all 0.3s ease;
            min-width: 120px;
        }
        
        .modal-close-btn:hover {
            transform: translateY(-2px);
            box-shadow: 0 10px 40px rgba(139, 92, 246, 0.4);
        }
        
        @keyframes fadeIn {
            from { opacity: 0; }
            to { opacity: 1; }
        }
        
        @keyframes modalSlideIn {
            from {
                opacity: 0;
                transform: scale(0.9) translateY(20px);
            }
            to {
                opacity: 1;
                transform: scale(1) translateY(0);
            }
        }
        
        @keyframes bounce {
            0%, 20%, 50%, 80%, 100% {
                transform: translateY(0);
            }
            40% {
                transform: translateY(-10px);
            }
            60% {
                transform: translateY(-5px);
            }
        }
        
        /* Footer */
        footer {
            margin-top: auto;
            padding: 4rem 0 3rem;
            border-top: 1px solid var(--border);
            text-align: center;
            backdrop-filter: blur(20px);
        }
        
        .copyright {
            color: var(--gray-500);
            font-size: 0.875rem;
            font-weight: 500;
        }
        
        /* Responsive */
        @media (max-width: 768px) {
            .hero {
                padding: 6rem 0 4rem;
            }
            
            .hero h1 {
                font-size: 2.75rem;
            }
            
            .hero p {
                font-size: 1.125rem;
            }
            
            .badges {
                gap: 1rem;
            }
            
            .feature-grid {
                grid-template-columns: 1fr;
                gap: 2rem;
            }
            
            .features {
                padding: 4rem 0;
                margin: 3rem 0;
            }
            
            .section-title {
                font-size: 2rem;
            }
            
            .cta {
                padding: 4rem 0;
            }
            
            .cta h2 {
                font-size: 2rem;
            }
            
            .email-form {
                flex-direction: column;
                gap: 1rem;
                max-width: 400px;
            }
            
            .notify-btn {
                padding: 1rem;
            }
        }
        
        @media (max-width: 480px) {
            .container {
                padding: 0 1rem;
            }
            
            .hero h1 {
                font-size: 2.25rem;
            }
            
            .feature-card {
                padding: 2rem;
            }
        }
        
        /* Animation */
        @keyframes float {
            0%, 100% { transform: translateY(0px) scale(1); }
            50% { transform: translateY(-12px) scale(1.02); }
        }
        
        .floating {
            animation: float 8s ease-in-out infinite;
        }
        
        /* Smooth scrolling */
        html {
            scroll-behavior: smooth;
        }
        
        /* Selection color */
        ::selection {
            background: rgba(59, 130, 246, 0.3);
            color: var(--light);
        }