:root {
    --bg-color: #0d1117;
    --text-color: #c9d1d9;
    --primary-color: #2f81f7;
    --secondary-color: #1f6feb;
    --card-bg: #161b22;
    --border-color: #30363d;
    --accent-gradient: linear-gradient(135deg, #2f81f7, #a371f7);
    --font-heading: 'Inter', sans-serif;
    --font-body: 'Inter', sans-serif;
}

body {
    background-color: var(--bg-color);
    color: var(--text-color);
    font-family: var(--font-body);
    margin: 0;
    line-height: 1.6;
}

header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 40px;
    background-color: rgba(13, 17, 23, 0.9);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.logo {
    font-size: 1.5rem;
    font-weight: 800;
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    text-decoration: none;
}

nav a {
    color: var(--text-color);
    text-decoration: none;
    margin-left: 20px;
    font-weight: 500;
    transition: color 0.2s;
}

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

.hero {
    text-align: center;
    padding: 100px 20px;
    background: radial-gradient(circle at top center, #1f2530, #0d1117);
}

.hero h1 {
    font-size: 3.5rem;
    margin-bottom: 20px;
    color: #ffffff;
}

.hero p {
    font-size: 1.25rem;
    color: #8b949e;
    max-width: 600px;
    margin: 0 auto 40px;
}

.cta-button {
    background: var(--primary-color);
    color: white;
    padding: 12px 30px;
    border-radius: 6px;
    text-decoration: none;
    font-weight: 600;
    transition: background 0.2s;
}

.cta-button:hover {
    background: var(--secondary-color);
}

.section {
    padding: 80px 20px;
    max-width: 1200px;
    margin: 0 auto;
}

.grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 40px;
}

.card {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    padding: 30px;
    border-radius: 12px;
    transition: transform 0.2s;
}

.card:hover {
    transform: translateY(-5px);
}

.card h3 {
    margin-top: 0;
    color: #fff;
}

.pricing-card {
    border: 2px solid var(--border-color);
    text-align: center;
}

.pricing-card.featured {
    border-color: var(--primary-color);
    position: relative;
    overflow: hidden;
}

.pricing-card .price {
    font-size: 2.5rem;
    font-weight: 700;
    margin: 20px 0;
    color: #fff;
}

footer {
    border-top: 1px solid var(--border-color);
    padding: 40px 20px;
    margin-top: 80px;
    text-align: center;
    color: #8b949e;
}

footer .legal-links {
    margin-top: 20px;
    display: flex;
    justify-content: center;
    gap: 20px;
}

footer a {
    color: #8b949e;
    text-decoration: none;
    font-size: 0.9rem;
}

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

h2 {
    font-size: 2.5rem;
    text-align: center;
    margin-bottom: 60px;
}