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

        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.6;
            color: #333;
            overflow-x: hidden;
        }

        /* Header & Navigation */
        header {
            position: fixed;
            width: 100%;
            top: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(10px);
            box-shadow: 0 2px 20px rgba(0, 0, 0, 0.1);
            transition: all 0.3s ease;
        }

        nav {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 1rem 5%;
            max-width: 1400px;
            margin: 0 auto;
        }

        .logo {
            font-size: 1.8rem;
            font-weight: bold;
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .nav-links {
            display: flex;
            list-style: none;
            gap: 2rem;
        }

        .nav-links a {
            text-decoration: none;
            color: #333;
            font-weight: 500;
            transition: color 0.3s ease;
            position: relative;
        }

        .nav-links a::after {
            content: '';
            position: absolute;
            width: 0;
            height: 2px;
            bottom: -5px;
            left: 0;
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            transition: width 0.3s ease;
        }

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

        .nav-links a:hover {
            color: #667eea;
        }

        /* Menu Burger */
        .burger {
            display: none;
            flex-direction: column;
            cursor: pointer;
            gap: 5px;
        }

        .burger span {
            width: 25px;
            height: 3px;
            background: #333;
            transition: all 0.3s ease;
            border-radius: 3px;
        }

        .burger.active span:nth-child(1) {
            transform: rotate(45deg) translate(8px, 8px);
        }

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

        .burger.active span:nth-child(3) {
            transform: rotate(-45deg) translate(7px, -7px);
        }

        /* Hero Section */
        .hero {
            margin-top: 80px;
            min-height: 90vh;
            display: flex;
            align-items: center;
            justify-content: center;
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            position: relative;
            overflow: hidden;
        }

        .hero::before {
            content: '';
            position: absolute;
            width: 200%;
            height: 200%;
            background: radial-gradient(circle, rgba(255,255,255,0.1) 1px, transparent 1px);
            background-size: 50px 50px;
            animation: moveBackground 20s linear infinite;
        }

        @keyframes moveBackground {
            0% { transform: translate(0, 0); }
            100% { transform: translate(50px, 50px); }
        }

        .hero-content {
            text-align: center;
            color: white;
            z-index: 1;
            padding: 2rem;
            max-width: 800px;
        }

        .hero h1 {
            font-size: clamp(2.5rem, 5vw, 4rem);
            margin-bottom: 1.5rem;
            animation: fadeInUp 1s ease;
        }

        .hero p {
            font-size: clamp(1rem, 2vw, 1.3rem);
            margin-bottom: 2rem;
            animation: fadeInUp 1s ease 0.2s backwards;
        }

        .cta-buttons {
            display: flex;
            gap: 1rem;
            justify-content: center;
            flex-wrap: wrap;
            animation: fadeInUp 1s ease 0.4s backwards;
        }

        .btn {
            padding: 1rem 2rem;
            border: none;
            border-radius: 50px;
            font-size: 1rem;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.3s ease;
            text-decoration: none;
            display: inline-block;
        }

        .btn-primary {
            background: white;
            color: #667eea;
        }

        .btn-primary:hover {
            transform: translateY(-3px);
            box-shadow: 0 10px 25px rgba(0, 0, 0, 0.2);
        }

        .btn-secondary {
            background: transparent;
            color: white;
            border: 2px solid white;
        }

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

        @keyframes fadeInUp {
            from {
                opacity: 0;
                transform: translateY(30px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        /* Features Section */
        .features {
            padding: 5rem 5%;
            max-width: 1400px;
            margin: 0 auto;
        }

        .section-title {
            text-align: center;
            font-size: clamp(2rem, 4vw, 3rem);
            margin-bottom: 3rem;
            color: #333;
        }

        .features-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 2rem;
        }

        .feature-card {
            padding: 2rem;
            background: white;
            border-radius: 20px;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
            transition: transform 0.3s ease, box-shadow 0.3s ease;
        }

        .feature-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 15px 40px rgba(0, 0, 0, 0.15);
        }

        .feature-icon {
            width: 60px;
            height: 60px;
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            border-radius: 15px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 2rem;
            margin-bottom: 1rem;
        }

        .feature-card h3 {
            font-size: 1.5rem;
            margin-bottom: 1rem;
            color: #333;
        }

        .feature-card p {
            color: #666;
            line-height: 1.8;
        }

        /* Footer */
        footer {
            background: #1a1a1a;
            color: white;
            padding: 3rem 5%;
            text-align: center;
        }

        footer p {
            margin-bottom: 1rem;
        }

        .social-links {
            display: flex;
            gap: 1rem;
            justify-content: center;
            margin-top: 1.5rem;
        }

        .social-links a {
            width: 40px;
            height: 40px;
            background: rgba(255, 255, 255, 0.1);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: white;
            text-decoration: none;
            transition: background 0.3s ease;
        }

        .social-links a:hover {
            background: #667eea;
        }

        /* Responsive */
        @media screen and (max-width: 768px) {
            .burger {
                display: flex;
            }

            .nav-links {
                position: fixed;
                right: -100%;
                top: 80px;
                flex-direction: column;
                background: rgba(255, 255, 255, 0.98);
                width: 100%;
                padding: 2rem;
                box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
                transition: right 0.3s ease;
                gap: 1rem;
            }

            .nav-links.active {
                right: 0;
            }

            .nav-links li {
                opacity: 0;
                animation: fadeInRight 0.5s ease forwards;
            }

            .nav-links.active li:nth-child(1) {
                animation-delay: 0.1s;
            }

            .nav-links.active li:nth-child(2) {
                animation-delay: 0.2s;
            }

            .nav-links.active li:nth-child(3) {
                animation-delay: 0.3s;
            }

            .nav-links.active li:nth-child(4) {
                animation-delay: 0.4s;
            }

            @keyframes fadeInRight {
                from {
                    opacity: 0;
                    transform: translateX(50px);
                }
                to {
                    opacity: 1;
                    transform: translateX(0);
                }
            }

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

            .btn {
                width: 100%;
                max-width: 300px;
            }
        }

        @media screen and (max-width: 480px) {
            nav {
                padding: 1rem 3%;
            }

            .features {
                padding: 3rem 3%;
            }

            .hero-content {
                padding: 1rem;
            }
        }