body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    margin: 0;
    background-color: #f4f7f6;
    color: #333;
}

header {
    background: linear-gradient(135deg, #2c3e50, #4ca1af);
    color: white;
    padding: 3rem 1rem;
    text-align: center;
}

.container {
    max-width: 1200px;
    margin: 2rem auto;
    padding: 0 1rem;
}

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

.card {
    background: white;
    border-radius: 12px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
    transition: transform 0.3s ease;
    overflow: hidden;
}

.card:hover {
    transform: translateY(-10px);
}

.card-content {
    padding: 1.5rem;
}

.btn {
    display: inline-block;
    margin-top: 1rem;
    padding: 0.5rem 1.2rem;
    background-color: #4ca1af;
    color: white;
    text-decoration: none;
    border-radius: 5px;
}

footer {
    text-align: center;
    padding: 2rem;
    color: #777;
}