:root {
    --bg-color: #0d1117;
    --text-color: #e6edf3;
    --primary-color: #58a6ff;
    --secondary-bg: #161b22;
    --accent-gradient: linear-gradient(135deg, #1f6feb 0%, #8b5cf6 100%);
}

body {
    background-color: var(--bg-color);
    color: var(--text-color);
    font-family: 'Inter', -apple-system, sans-serif;
    margin: 0;
    line-height: 1.6;
}

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

.navbar {
    padding: 20px 0;
    border-bottom: 1px solid #30363d;
}

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

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-color);
    text-decoration: none;
}

.nav-links {
    list-style: none;
    display: flex;
    gap: 30px;
    margin: 0;
    padding: 0;
}

.nav-links a {
    color: #8b949e;
    text-decoration: none;
    font-weight: 600;
    transition: color 0.3s;
}

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

.hero {
    padding: 100px 0;
}

.hero-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 50px;
}

.hero-text {
    flex: 1;
}

.badge {
    display: inline-block;
    padding: 6px 14px;
    border-radius: 20px;
    background: rgba(88, 166, 255, 0.1);
    color: var(--primary-color);
    font-weight: 600;
    font-size: 0.85rem;
    margin-bottom: 20px;
}

.hero h1 {
    font-size: 3.5rem;
    margin: 0 0 20px;
    line-height: 1.1;
}

.gradient {
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero p {
    font-size: 1.2rem;
    color: #8b949e;
    margin-bottom: 40px;
    max-width: 500px;
}

.btn {
    display: inline-block;
    padding: 14px 28px;
    border-radius: 8px;
    font-weight: 600;
    text-decoration: none;
    transition: transform 0.2s, background 0.3s;
}

.btn-primary {
    background: var(--text-color);
    color: var(--bg-color);
}

.btn-primary:hover {
    transform: translateY(-2px);
    background: #c9d1d9;
}

.shield-icon {
    font-size: 12rem;
    text-shadow: 0 0 100px rgba(88, 166, 255, 0.4);
}

.features {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    padding: 60px 20px;
}

.feature-card {
    background: var(--secondary-bg);
    padding: 30px;
    border-radius: 12px;
    border: 1px solid #30363d;
}

.feature-card h3 {
    margin-top: 0;
    color: var(--text-color);
}

.feature-card p {
    color: #8b949e;
    margin: 0;
}

footer {
    border-top: 1px solid #30363d;
    padding: 40px 0;
    margin-top: 60px;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: #8b949e;
}

.footer-links a {
    color: #8b949e;
    text-decoration: none;
    margin-left: 20px;
}

.footer-links a:hover {
    text-decoration: underline;
}

.content-section {
    padding: 60px 20px;
    max-width: 800px;
    margin: 0 auto;
}

.content-section h1 {
    font-size: 2.5rem;
    margin-bottom: 30px;
}

.content-section p, .content-section li {
    color: #8b949e;
    font-size: 1.1rem;
}

@media (max-width: 768px) {
    .features { grid-template-columns: 1fr; }
    .hero-content { flex-direction: column; text-align: center; }
    .hero-text p { margin: 0 auto 40px; }
    .footer-content { flex-direction: column; gap: 20px; }
}