* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: Arial, sans-serif;
}

body {
    background-color: #0f1115;
    color: #e5e7eb;
    line-height: 1.6;
}

header {
    text-align: center;
    padding: 2rem 1rem;
    border-bottom: 1px solid #1f2937;
}

header h1 {
    font-size: 2rem;
    margin-bottom: 0.5rem;
}

header p {
    color: #9ca3af;
}

main {
    display: flex;
    justify-content: center;
    gap: 1.5rem;
    padding: 2rem;
    flex-wrap: wrap;
}

.card {
    background-color: #1a1d24;
    padding: 1.5rem;
    border-radius: 10px;
    width: 250px;
    text-align: center;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.4);
}

.card h2 {
    margin-bottom: 0.5rem;
}

.card p {
    margin-bottom: 1rem;
    color: #9ca3af;
}

.btn {
    display: inline-block;
    padding: 0.5rem 1rem;
    background-color: #3b82f6;
    color: white;
    text-decoration: none;
    border-radius: 5px;
    transition: background 0.2s ease;
}

.btn:hover {
    background-color: #2563eb;
}

footer {
    text-align: center;
    padding: 1rem;
    border-top: 1px solid #1f2937;
    color: #9ca3af;
    margin-top: 2rem;
}