:root {
    --bg-color: #1a1a1a;
    --text-color: #e0e0e0;
    --accent-color: #4a90e2;
    --card-bg: #2d2d2d;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: var(--bg-color);
    color: var(--text-color);
    margin: 0;
    padding: 0;
    line-height: 1.6;
}

header {
    text-align: center;
    padding: 4rem 2rem;
    background: linear-gradient(135deg, #2c3e50, #000000);
}

main {
    max-width: 1000px;
    margin: 2rem auto;
    padding: 0 1rem;
}

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

.method-card {
    background-color: var(--card-bg);
    padding: 2rem;
    border-radius: 8px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.3);
    transition: transform 0.2s;
}

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

.button {
    display: inline-block;
    padding: 0.8rem 1.5rem;
    background-color: var(--accent-color);
    color: white;
    text-decoration: none;
    border-radius: 4px;
    margin-top: 1rem;
}

footer {
    text-align: center;
    padding: 2rem;
    font-size: 0.9rem;
    opacity: 0.7;
}