/* Mục Liên Hệ và Footer */

/* Contact Section */
.contact {
    padding: 80px 0;
    background: white;
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: start;
}

.contact-form {
    background: var(--light-gray);
    padding: 40px;
    border-radius: 10px;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    color: var(--dark-gray);
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 12px;
    border: 2px solid #e5e7eb;
    border-radius: 8px;
    font-size: 16px;
    transition: all 0.3s;
    -webkit-appearance: none;
    -moz-appearance: none;
    appearance: none;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(0, 0, 0, 0.08);
}

.submit-button {
    width: 100%;
    padding: 15px;
    background: linear-gradient(135deg, #111827, #4b5563);
    color: white;
    border: none;
    border-radius: 8px;
    font-size: 18px;
    font-weight: bold;
    cursor: pointer;
    transition: all 0.3s;
    -webkit-appearance: none;
    -moz-appearance: none;
    appearance: none;
}

.submit-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.25);
}

.contact-info {
    padding: 40px;
}

.contact-info h3 {
    color: var(--primary-color);
    margin-bottom: 30px;
    font-size: 24px;
}

.info-item {
    display: flex;
    align-items: center;
    margin-bottom: 20px;
    font-size: 16px;
}

.info-icon {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, var(--secondary-color), #10b981);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: 15px;
    color: white;
}

/* Footer */
footer {
    background: linear-gradient(135deg, #1a202c, #2d3748);
    color: white;
    padding: 60px 0 30px;
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 50px;
    margin-bottom: 40px;
}

.footer-about h4 {
    font-size: 24px;
    margin-bottom: 20px;
    color: var(--accent-color);
}

.footer-about p {
    line-height: 1.8;
    color: #cbd5e0;
}

.footer-links h5 {
    font-size: 18px;
    margin-bottom: 20px;
    color: white;
}

.footer-links ul {
    list-style: none;
}

.footer-links li {
    margin-bottom: 10px;
}

.footer-links a {
    color: #cbd5e0;
    text-decoration: none;
    transition: color 0.3s;
}

.footer-links a:hover {
    color: var(--accent-color);
}

.footer-bottom {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid #4a5568;
    color: #a0aec0;
}