body {
    font-family: 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
    background-color: #f0f2f5;
    margin: 0;
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    color: #1c1e21;
}

.container {
    width: 90%;
    max-width: 900px;
    text-align: center;
}

header h1 {
    font-size: 2.5rem;
    margin-bottom: 10px;
    color: #0070f3;
}

.grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    margin-top: 40px;
}

.card {
    background: white;
    padding: 30px;
    border-radius: 15px;
    text-decoration: none;
    color: inherit;
    box-shadow: 0 4px 12px rgba(0,0,0,0.05);
    transition: all 0.3s ease;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.card:hover {
    transform: translateY(-10px);
    box-shadow: 0 10px 20px rgba(0,0,0,0.1);
}

.icon {
    font-size: 3rem;
    margin-bottom: 15px;
}

.card h3 {
    margin: 10px 0;
    font-size: 1.5rem;
}

.card p {
    font-size: 0.9rem;
    color: #606770;
    margin-bottom: 20px;
}

.btn {
    background-color: #0070f3;
    color: white;
    padding: 10px 20px;
    border-radius: 8px;
    font-weight: bold;
    transition: background 0.2s;
}

.card:hover .btn {
    background-color: #0056b3;
}

footer {
    margin-top: 50px;
    font-size: 0.8rem;
    color: #90949c;
}