:root {
    --primary: #007AFF;
    --primary-glow: rgba(0, 122, 255, 0.5);
    --secondary: #00C6FF;
    --bg-dark: #050505;
    --card-bg: rgba(255, 255, 255, 0.03);
    --text-main: #ffffff;
    --text-muted: rgba(255, 255, 255, 0.6);
    --glass-border: rgba(255, 255, 255, 0.1);
    --section-padding: 100px 20px;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Inter', sans-serif;
    scroll-behavior: smooth;
}

body {
    background-color: var(--bg-dark);
    color: var(--text-main);
    line-height: 1.6;
    overflow-x: hidden;
}

/* Background Gradients */
.bg-glow {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    background: 
        radial-gradient(circle at 10% 10%, rgba(0, 122, 255, 0.1) 0%, transparent 40%),
        radial-gradient(circle at 90% 90%, rgba(0, 198, 255, 0.08) 0%, transparent 40%);
}

/* Navbar */
nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 8%;
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    background: rgba(5, 5, 5, 0.8);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--glass-border);
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    font-weight: 800;
    font-size: 1.4rem;
    text-decoration: none;
    color: white;
}

.nav-logo img {
    width: 40px;
    border-radius: 8px;
}

.nav-links {
    display: flex;
    gap: 30px;
}

.nav-links a {
    text-decoration: none;
    color: var(--text-muted);
    font-weight: 500;
    transition: 0.3s;
}

.nav-links a:hover {
    color: var(--primary);
}

/* Hero Section */
.hero {
    padding: 180px 8% 100px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 50px;
}

.hero-content {
    flex: 1;
}

.hero-content h1 {
    font-size: 4rem;
    font-weight: 900;
    line-height: 1.1;
    margin-bottom: 24px;
    background: linear-gradient(135deg, #fff 0%, #aaa 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-content p {
    font-size: 1.2rem;
    color: var(--text-muted);
    margin-bottom: 40px;
    max-width: 500px;
}

.cta-group {
    display: flex;
    gap: 20px;
}

.btn {
    padding: 14px 32px;
    border-radius: 12px;
    font-weight: 700;
    text-decoration: none;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    display: inline-flex;
    align-items: center;
    gap: 10px;
}

.btn-primary {
    background: var(--primary);
    color: white;
    box-shadow: 0 10px 20px var(--primary-glow);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 30px var(--primary-glow);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.05);
    color: white;
    border: 1px solid var(--glass-border);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.1);
    transform: translateY(-3px);
}

.hero-image {
    flex: 1;
    position: relative;
    display: flex;
    justify-content: center;
}

.hero-image img {
    width: 100%;
    max-width: 450px;
    border-radius: 40px;
    box-shadow: 0 30px 60px rgba(0,0,0,0.5);
    animation: float 6s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-20px); }
}

/* Features Section */
.features {
    padding: var(--section-padding);
    background: rgba(255, 255, 255, 0.02);
}

.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-header h2 {
    font-size: 2.5rem;
    margin-bottom: 16px;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    max-width: 1200px;
    margin: 0 auto;
}

.feature-card {
    background: var(--card-bg);
    border: 1px solid var(--glass-border);
    padding: 40px;
    border-radius: 24px;
    transition: 0.3s;
}

.feature-card:hover {
    background: rgba(255, 255, 255, 0.05);
    border-color: var(--primary);
    transform: translateY(-10px);
}

.feature-icon {
    width: 60px;
    height: 60px;
    background: rgba(0, 122, 255, 0.1);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 24px;
    color: var(--primary);
}

/* Footer */
footer {
    padding: 80px 8% 40px;
    border-top: 1px solid var(--glass-border);
}

.footer-content {
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 40px;
    margin-bottom: 60px;
}

.footer-brand p {
    color: var(--text-muted);
    max-width: 300px;
    margin-top: 20px;
}

.footer-links h4 {
    margin-bottom: 20px;
}

.footer-links ul {
    list-style: none;
}

.footer-links li {
    margin-bottom: 12px;
}

.footer-links a {
    color: var(--text-muted);
    text-decoration: none;
    transition: 0.3s;
}

.footer-links a:hover {
    color: white;
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: var(--text-muted);
    font-size: 0.9rem;
    padding-top: 40px;
    border-top: 1px solid var(--glass-border);
}

/* Responsive */
@media (max-width: 968px) {
    .hero {
        flex-direction: column;
        text-align: center;
        padding-top: 140px;
    }
    .hero-content h1 {
        font-size: 3rem;
    }
    .hero-content p {
        margin: 0 auto 40px;
    }
    .cta-group {
        justify-content: center;
    }
    .nav-links {
        display: none;
    }
}
