:root {
    --primary: #3b82f6;
    --secondary: #f59e0b;
    --accent: #8b5cf6;
}

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

body {
    font-family: "Inter", sans-serif;
    background-color: #0f172a;
    color: white;
    overflow-x: hidden;
}

.mobile-menu {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    background: rgba(15, 23, 42, 0.98);
    backdrop-filter: blur(10px);
    z-index: 100;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    opacity: 0;
    transform: translateY(-20px);
    transition: all 0.3s ease;
}

.mobile-menu.active {
    display: flex;
    opacity: 1;
    transform: translateY(0);
}

.mobile-menu a {
    display: block;
    font-size: 1.5rem;
    margin: 1rem 0;
    color: white;
    text-decoration: none;
    transition: color 0.3s;
}

.mobile-menu a:hover {
    color: #f59e0b;
}

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
    z-index: 101;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background: white;
    margin: 3px 0;
    transition: 0.3s;
}

.hamburger.active span:nth-child(1) {
    transform: rotate(-45deg) translate(-5px, 6px);
}

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

.hamburger.active span:nth-child(3) {
    transform: rotate(45deg) translate(-5px, -6px);
}

.feature-card, .pricing-card {
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.feature-card:hover, .pricing-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

.floating {
    animation: floating 3s ease-in-out infinite;
}

@keyframes floating {
    0% { transform: translate(0, 0px); }
    50% { transform: translate(0, -15px); }
    100% { transform: translate(0, -0px); }
}

.gradient-text {
    background: linear-gradient(90deg, #f59e0b, #ef4444, #8b5cf6);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.glass-effect {
    background: rgba(15, 23, 42, 0.6);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.progress-fill {
    transition: width 1.5s ease-in-out;
}

.scroll-indicator {
    animation: bounce 2s infinite;
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% {
        transform: translateY(0);
    }
    40% {
        transform: translateY(-10px);
    }
    60% {
        transform: translateY(-5px);
    }
}

@media (max-width: 768px) {
    .hamburger {
        display: flex;
    }
    
    .desktop-nav {
        display: none;
    }
    
    .hero-grid {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-buttons {
        flex-direction: column;
        gap: 1rem;
    }
    
    .hero-buttons a {
        width: 100%;
        text-align: center;
    }
    
    .features-grid, .pricing-grid {
        grid-template-columns: 1fr;
    }
    
    .demo-container {
        padding: 1.5rem;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2rem;
    }
    
    .section-title {
        font-size: 2.5rem;
    }
    
    .feature-card, .pricing-card {
        padding: 1.5rem;
    }
}