body {
    font-family: Arial, sans-serif;
    margin: 0;
    background: #f4f6f9;
}

.header {
    background: linear-gradient(135deg, #0f2027, #203a43, #2c5364);
    color: white;
    text-align: center;
    padding: 60px 20px;
}

.cards {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 25px;
    padding: 40px;
}

.card {
    background: white;
    width: 250px;
    padding: 20px;
    border-radius: 10px;
    text-align: center;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
    transition: 0.3s;
}

.card:hover {
    transform: translateY(-6px);
}

.card a, .btn {
    display: inline-block;
    margin-top: 10px;
    padding: 8px 14px;
    background: #007bff;
    color: white;
    text-decoration: none;
    border-radius: 5px;
}

.page-title {
    text-align: center;
    margin-top: 40px;
}

.details-box {
    max-width: 600px;
    margin: 20px auto;
    background: white;
    padding: 25px;
    border-radius: 10px;
}

.form {
    max-width: 400px;
    margin: 20px auto;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.form input, .form button {
    padding: 10px;
    border-radius: 5px;
    border: 1px solid #ccc;
}

.form button {
    background: #28a745;
    color: white;
    cursor: pointer;
}

.back-btn {
    display: block;
    text-align: center;
    margin: 30px;
    text-decoration: none;
    color: #007bff;
}

.footer {
    text-align: center;
    padding: 20px;
    background: #203a43;
    color: white;
}