body {
    margin: 0;
    font-family: "Segoe UI", sans-serif;
    background: #f0f4f8;
}

header {
    background: #3498db;
    color: white;
    padding: 1rem 2rem;
    text-align: center;
}

h1 {
    margin: 0;
}

.intro {
    max-width: 800px;
    margin: 2rem auto;
    background: white;
    padding: 1.5rem;
    border-radius: 10px;
    box-shadow: 0 0 8px rgba(0, 0, 0, 0.1);
}

.app-grid {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 2rem;
    margin: 2rem;
}

.app-card {
    background: white;
    border-radius: 10px;
    box-shadow: 0 0 6px rgba(0, 0, 0, 0.08);
    width: 300px;
    padding: 1rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}

.app-card h2 {
    font-size: 1.2rem;
    color: #333;
}

.app-card p {
    font-size: 0.95rem;
    color: #555;
}

.app-card a {
    margin-top: auto;
    background: #3498db;
    color: white;
    padding: 0.5rem 1rem;
    border-radius: 6px;
    text-decoration: none;
    transition: background 0.3s;
}

.app-card a:hover {
    background: #2c80b4;
}

footer {
    text-align: center;
    font-size: 0.9rem;
    color: #777;
    margin-top: 3rem;
    padding-bottom: 1rem;
}