:root {
    --bg-color: #0a0a0c;
    --card-bg: #16161a;
    --text-primary: #e4e4e7;
    --text-secondary: #a1a1aa;
    --accent: #3b82f6;
    --accent-hover: #2563eb;
    --glass: rgba(255, 255, 255, 0.03);
    --border: rgba(255, 255, 255, 0.1);
}

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

html {
    scroll-behavior: smooth;
}

body {
    background-color: var(--bg-color);
    color: var(--text-primary);
    font-family: 'Inter', sans-serif;
    line-height: 1.6;
    overflow-x: hidden;
}

h1, h2, h3, .logo {
    font-family: 'Outfit', sans-serif;
}

.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Navigation */
nav {
    height: 80px;
    display: flex;
    align-items: center;
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    background: rgba(10, 10, 12, 0.8);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border);
}

nav .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
}

.nav-links {
    list-style: none;
    display: flex;
    align-items: center;
    gap: 30px;
}

.nav-links a {
    text-decoration: none;
    color: var(--text-secondary);
    font-size: 0.9rem;
    transition: color 0.3s;
}

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

/* Hero Section */
.hero {
    padding: 180px 0 100px;
    text-align: center;
    background: radial-gradient(circle at 50% -20%, #1e293b 0%, var(--bg-color) 70%);
}

.hero h1 {
    font-size: 3.5rem;
    margin-bottom: 20px;
    line-height: 1.2;
}

.highlight {
    color: var(--accent);
}

.hero p {
    font-size: 1.25rem;
    color: var(--text-secondary);
    max-width: 700px;
    margin: 0 auto 40px;
}

.btn {
    display: inline-block;
    padding: 14px 32px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    transition: transform 0.2s, background 0.2s;
}

.btn.primary {
    background: var(--accent);
    color: white;
}

.btn.primary:hover {
    background: var(--accent-hover);
    transform: translateY(-2px);
}

.btn.secondary {
    background: var(--glass);
    color: var(--text-primary);
    border: 1px solid var(--border);
    margin-left: 15px;
}

.btn.secondary:hover {
    background: rgba(255, 255, 255, 0.05);
    transform: translateY(-2px);
}

.btn-sm {
    background: var(--accent);
    color: white;
    padding: 8px 16px;
    border-radius: 6px;
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 600;
}

/* Features */
.features {
    padding: 100px 0;
}

.section-title {
    font-size: 2.5rem;
    text-align: center;
    margin-bottom: 60px;
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 30px;
}

.feature-card {
    background: var(--card-bg);
    padding: 40px;
    border-radius: 16px;
    border: 1px solid var(--border);
    transition: transform 0.3s, border-color 0.3s;
}

.feature-card:hover {
    transform: translateY(-5px);
    border-color: var(--accent);
}

.feature-card .icon {
    font-size: 2rem;
    margin-bottom: 20px;
}

.feature-card h3 {
    margin-bottom: 15px;
}

.feature-card p {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

/* Privacy Section */
.privacy-section {
    padding: 100px 0;
    background: var(--card-bg);
}

.privacy-content {
    max-width: 800px;
    margin: 0 auto;
    background: var(--bg-color);
    padding: 50px;
    border-radius: 16px;
    border: 1px solid var(--border);
}

.privacy-content h3 {
    margin: 30px 0 15px;
}

.privacy-content p, .privacy-content ul {
    color: var(--text-secondary);
    margin-bottom: 15px;
}

.privacy-content ul {
    padding-left: 20px;
}

/* Footer */
footer {
    padding: 100px 0 40px;
    text-align: center;
}

.footer-logo {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 20px;
}

.social-links {
    margin: 30px 0;
}

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

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

.copyright {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-top: 40px;
}

/* Mobile Responsiveness */
@media (max-width: 768px) {
    .hero h1 {
        font-size: 2.5rem;
    }
    
    .nav-links {
        display: none;
    }
    
    .btn.secondary {
        margin-left: 0;
        margin-top: 15px;
        display: block;
    }
    
    .privacy-content {
        padding: 30px;
    }
}