body {
    margin: 0;
    padding: 0;
    background: #f3f6ff;
    font-family: "Poppins", sans-serif;
}

.appointment-container {
    width: 90%;
    max-width: 600px;
    margin: 50px auto;
    background: #fff;
    padding: 40px;
    border-radius: 20px;
    box-shadow: 0 10px 40px rgba(0,0,0,0.08);
}

h1 {
    text-align: center;
    color: #1c2a5e;
    font-size: 30px;
    margin-bottom: 10px;
}

.subtitle {
    text-align: center;
    color: #555;
    font-size: 15px;
    margin-bottom: 25px;
}

.appointment-form .form-group {
    margin-bottom: 18px;
}

label {
    font-weight: 600;
    color: #1c2a5e;
}

input, select, textarea {
    width: 100%;
    padding: 12px;
    border-radius: 10px;
    border: 1.5px solid #d9d9d9;
    margin-top: 8px;
    font-size: 15px;
    outline: none;
    transition: 0.3s;
}

input:focus,
select:focus,
textarea:focus {
    border-color: #356df0;
    box-shadow: 0 0 5px rgba(53,109,240,0.3);
}

.submit-btn {
    width: 100%;
    padding: 14px;
    background: #356df0;
    color: #fff;
    border: none;
    font-size: 17px;
    font-weight: 600;
    border-radius: 12px;
    cursor: pointer;
    transition: 0.3s;
    margin-top: 10px;
}

.submit-btn:hover {
    background: #244ed8;
}

/* Responsive */
@media (max-width: 480px) {
    .appointment-container {
        padding: 25px;
    }

    h1 {
        font-size: 25px;
    }
}