/* Additional styles for Contact page */
.contact-info-section {
    padding: 6rem 0;
    background: var(--bg-secondary);
}

.contact-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.contact-card {
    background: var(--bg-primary);
    padding: 2.5rem;
    border-radius: 20px;
    border: 1px solid var(--border-color);
    text-align: center;
    transition: all 0.3s ease;
    box-shadow: var(--shadow-light);
}

.contact-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-heavy);
    border-color: var(--primary-color);
}

.contact-icon {
    width: 80px;
    height: 80px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    font-size: 2rem;
    color: white;
}

.contact-card h4 {
    font-size: 1.3rem;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.contact-card p {
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
    line-height: 1.5;
}

.contact-detail a {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 600;
    font-size: 1.1rem;
}

.contact-detail a:hover {
    text-decoration: underline;
}

.contact-time {
    font-size: 0.9rem;
    color: var(--text-muted);
    font-style: italic;
}

.chinese-address {
    color: var(--text-muted);
    font-style: italic;
    font-size: 0.9rem;
    margin-top: 0.5rem;
}

.contact-form-section {
    padding: 6rem 0;
    background: var(--bg-primary);
}

.form-container {
    max-width: 800px;
    margin: 0 auto;
}

.form-header {
    text-align: center;
    margin-bottom: 3rem;
}

.form-header h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.form-header p {
    font-size: 1.1rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

.contact-form {
    background: var(--bg-secondary);
    padding: 3rem;
    border-radius: 20px;
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-medium);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
    margin-bottom: 1.5rem;
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
    font-weight: 500;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 1rem;
    border: 1px solid var(--border-color);
    border-radius: 10px;
    background: var(--bg-primary);
    color: var(--text-primary);
    font-size: 1rem;
    transition: all 0.3s ease;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(0, 212, 255, 0.1);
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

.checkbox-group {
    display: flex;
    align-items: flex-start;
    gap: 0.5rem;
}

.checkbox-label {
    display: flex;
    align-items: flex-start;
    gap: 0.5rem;
    cursor: pointer;
    font-size: 0.95rem;
    line-height: 1.5;
}

.checkbox-label input[type="checkbox"] {
    display: none;
}

.checkmark {
    width: 20px;
    height: 20px;
    border: 2px solid var(--border-color);
    border-radius: 4px;
    background: var(--bg-primary);
    position: relative;
    flex-shrink: 0;
    margin-top: 2px;
    transition: all 0.3s ease;
}

.checkbox-label input[type="checkbox"]:checked + .checkmark {
    background: var(--primary-color);
    border-color: var(--primary-color);
}

.checkbox-label input[type="checkbox"]:checked + .checkmark::after {
    content: '✓';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    color: white;
    font-size: 12px;
    font-weight: bold;
}

.checkbox-label a {
    color: var(--primary-color);
    text-decoration: none;
}

.checkbox-label a:hover {
    text-decoration: underline;
}

.submit-btn {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    font-size: 1.1rem;
    padding: 1.2rem;
    margin-top: 1rem;
}

.submit-btn:hover {
    transform: translateY(-2px);
}

.business-hours {
    padding: 6rem 0;
    background: var(--bg-secondary);
}

.hours-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 3rem;
    max-width: 800px;
    margin: 0 auto;
}

.hours-card {
    background: var(--bg-primary);
    padding: 2.5rem;
    border-radius: 20px;
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-light);
    transition: all 0.3s ease;
}

.hours-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-medium);
    border-color: var(--primary-color);
}

.hours-card h4 {
    font-size: 1.5rem;
    margin-bottom: 1.5rem;
    color: var(--primary-color);
    text-align: center;
}

.hours-list {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.hours-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.8rem 0;
    border-bottom: 1px solid var(--border-color);
}

.hours-item:last-child {
    border-bottom: none;
}

.hours-item span:first-child {
    color: var(--text-secondary);
    font-weight: 500;
}

.hours-item span:last-child {
    color: var(--text-primary);
    font-weight: 600;
}

/* Form validation styles */
.form-group input:invalid,
.form-group select:invalid,
.form-group textarea:invalid {
    border-color: var(--secondary-color);
}

.form-group input:valid,
.form-group select:valid,
.form-group textarea:valid {
    border-color: #10b981;
}

/* Loading state for submit button */
.submit-btn:disabled {
    opacity: 0.7;
    cursor: not-allowed;
    transform: none;
}

.submit-btn.loading {
    position: relative;
}

.submit-btn.loading::after {
    content: '';
    position: absolute;
    width: 20px;
    height: 20px;
    border: 2px solid transparent;
    border-top: 2px solid white;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Responsive Design for Contact Page */
@media (max-width: 768px) {
    .contact-grid {
        grid-template-columns: 1fr;
    }

    .contact-form {
        padding: 2rem;
    }

    .form-row {
        grid-template-columns: 1fr;
        gap: 1rem;
    }

    .hours-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .form-header h2 {
        font-size: 2rem;
    }
}

@media (max-width: 480px) {
    .contact-card {
        padding: 2rem;
    }

    .contact-form {
        padding: 1.5rem;
    }

    .hours-card {
        padding: 2rem;
    }

    .contact-info-section,
    .contact-form-section,
    .business-hours {
        padding: 4rem 0;
    }
}