.contact-form-container {
    background-color: #ffffff;
    padding: 40px;
    border-radius: 12px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
    margin-top: 30px;
}
.form-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 25px;
}
.form-group.form-group-full {
    grid-column: span 2;
}
.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    color: #4A5568; /* Gray-700 */
}
.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 14px;
    border: 1px solid #E2E8F0; /* Gray-300 */
    border-radius: 8px;
    font-size: 16px;
    color: #2D3748; /* Gray-800 */
    transition: border-color 0.2s, box-shadow 0.2s;
    background-color: #F7FAFC; /* Gray-100 */
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #4299E1; /* Blue-400 */
    box-shadow: 0 0 0 3px rgba(66, 153, 225, 0.5);
    background-color: #fff;
}
.contact-form-container .btn {
    width: 100%;
    padding: 15px;
    font-size: 18px;
    font-weight: bold;
    border: none;
}
.section-subtitle {
    max-width: 650px;
    margin: 0 auto 40px auto;
    color: #718096; /* Gray-600 */
}
#contact h2 {
    font-size: 42px;
    font-weight: 800;
    margin-bottom: 20px;
    color: #2D3748; /* Gray-800 */
}
.alert {
    padding: 1rem;
    margin-bottom: 1rem;
    border: 1px solid transparent;
    border-radius: .375rem;
}
.alert-success {
    color: #0f5132;
    background-color: #d1e7dd;
    border-color: #badbcc;
}
.alert-danger {
    color: #842029;
    background-color: #f8d7da;
    border-color: #f5c2c7;
}
.alert-danger ul {
    margin: 0;
    padding-right: 20px;
}
@media (max-width: 768px) {
    .form-grid {
        grid-template-columns: 1fr;
    }
    .form-group.form-group-full {
        grid-column: span 1;
    }
    .contact-form-container {
        padding: 25px;
    }
    #contact h2 {
        font-size: 32px;
    }
}