:root {
    --primary: #6366f1;
    --secondary: #a855f7;
    --dark: #0f172a;
    --light: #f8fafc;
    --accent: #22d3ee;
    --glass: rgba(255, 255, 255, 0.05);
    --glass-border: rgba(255, 255, 255, 0.1);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
}

body {
    background-color: var(--dark);
    color: var(--light);
    overflow-x: hidden;
}

/* Navbar */
nav {
    position: fixed;
    top: 0;
    width: 100%;
    padding: 1.5rem 5%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: rgba(15, 23, 42, 0.8);
    backdrop-filter: blur(10px);
    z-index: 1000;
    border-bottom: 1px solid var(--glass-border);
}

.logo {
    font-size: 1.5rem;
    font-weight: 800;
    background: linear-gradient(to right, var(--primary), var(--accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    text-transform: uppercase;
    letter-spacing: 2px;
}

.nav-links {
    display: flex;
    gap: 2.5rem;
}

.nav-links a {
    text-decoration: none;
    color: var(--light);
    font-size: 0.9rem;
    font-weight: 500;
    transition: 0.3s;
    opacity: 0.8;
}

.nav-links a:hover {
    opacity: 1;
    color: var(--primary);
}

.nav-auth {
    display: flex;
    gap: 1rem;
}

.btn {
    padding: 0.7rem 1.5rem;
    border-radius: 50px;
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 600;
    transition: 0.3s;
}

.btn-outline {
    border: 1px solid var(--primary);
    color: var(--primary);
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: white;
}

.btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(99, 102, 241, 0.2);
}

/* Hero Section */
.hero {
    height: 100vh;
    display: flex;
    align-items: center;
    padding: 0 5%;
    background: radial-gradient(circle at 70% 30%, rgba(99, 102, 241, 0.15) 0%, transparent 50%);
}

.hero-content {
    flex: 1;
    max-width: 600px;
}

.hero-content h1 {
    font-size: 4rem;
    line-height: 1.1;
    margin-bottom: 1.5rem;
    font-weight: 900;
}

.hero-content p {
    font-size: 1.1rem;
    opacity: 0.7;
    margin-bottom: 2.5rem;
    line-height: 1.6;
}

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

.hero-image img {
    width: 90%;
    max-width: 600px;
    border-radius: 30px;
    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/Services */
.section {
    padding: 100px 5%;
}

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

.grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.card {
    background: var(--glass);
    padding: 3rem 2rem;
    border-radius: 24px;
    border: 1px solid var(--glass-border);
    transition: 0.3s;
    text-align: center;
}

.card:hover {
    background: rgba(255, 255, 255, 0.08);
    transform: translateY(-10px);
}

.card i {
    font-size: 3rem;
    margin-bottom: 1.5rem;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* Footer */
footer {
    padding: 60px 5% 20px;
    background: #070b14;
    border-top: 1px solid var(--glass-border);
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 3rem;
    margin-bottom: 40px;
}

.footer-col h4 {
    margin-bottom: 1.5rem;
    font-size: 1.1rem;
}

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

.footer-col ul li {
    margin-bottom: 0.8rem;
}

.footer-col ul li a {
    text-decoration: none;
    color: var(--light);
    opacity: 0.6;
    transition: 0.3s;
}

.footer-col ul li a:hover {
    opacity: 1;
    color: var(--primary);
}

.footer-bottom {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid var(--glass-border);
    opacity: 0.4;
    font-size: 0.8rem;
}

@media (max-width: 768px) {
    .nav-links { display: none; }
    .hero { flex-direction: column; text-align: center; padding-top: 120px; }
    .hero-content h1 { font-size: 2.5rem; }
    .hero-image { margin-top: 50px; }
}