/* ─── Contact Us Page ─────────────────────────────────────────────────── */

.contact-hero { padding: 56px 0 0; background: linear-gradient(135deg, #f8f9fa 0%, #ffffff 100%); }
.contact-hero h1 { font-size: 44px; font-weight: 800; margin-bottom: 12px; color: var(--dark); }
.contact-hero .hero-subtitle { font-size: 18px; color: var(--gray); margin: 0; }
.contact-hero .breadcrumb-item a { color: var(--gray); text-decoration: none; }
.contact-hero .breadcrumb-item.active { color: var(--dark); font-weight: 600; }

.contact-section { padding: 60px 0 80px; background: #f9fafb; }

/* ─── Info Panel (left) ───────────────────────────────────────────────── */
.contact-info-panel {
    background: white;
    border-radius: 20px;
    padding: 36px 32px;
    box-shadow: 0 4px 24px rgba(0,0,0,0.06);
    height: 100%;
}

.contact-info-panel h2 {
    font-size: 22px;
    font-weight: 800;
    color: var(--dark);
    margin-bottom: 12px;
}

.contact-info-panel .page-content {
    font-size: 14px;
    line-height: 1.8;
    color: #555;
}

.contact-info-panel .page-content h1,
.contact-info-panel .page-content h2,
.contact-info-panel .page-content h3 {
    font-size: 18px;
    margin-top: 20px;
    margin-bottom: 8px;
    color: var(--dark);
}

.contact-info-panel .page-content p { margin-bottom: 12px; }
.contact-info-panel .page-content ul { padding-left: 20px; margin-bottom: 12px; }
.contact-info-panel .page-content li { margin-bottom: 6px; }
.contact-info-panel .page-content a { color: var(--accent); }

/* ─── Contact Form Card (right) ──────────────────────────────────────── */
.contact-form-card {
    background: white;
    border-radius: 20px;
    padding: 36px 32px;
    box-shadow: 0 4px 24px rgba(0,0,0,0.06);
}

.contact-form-card h2 {
    font-size: 22px;
    font-weight: 800;
    color: var(--dark);
    margin-bottom: 6px;
}

.contact-form-card .form-subtitle {
    font-size: 14px;
    color: #888;
    margin-bottom: 28px;
}

.contact-form-card .form-label {
    font-weight: 700;
    font-size: 14px;
    color: #444;
    margin-bottom: 6px;
}

.contact-form-card .form-control,
.contact-form-card .form-select {
    border: 2px solid #e9ecef;
    border-radius: 10px;
    padding: 11px 16px;
    font-size: 15px;
    transition: border-color .2s;
}

.contact-form-card .form-control:focus,
.contact-form-card .form-select:focus {
    border-color: var(--accent);
    box-shadow: none;
}

.contact-form-card .form-control.is-invalid,
.contact-form-card .form-select.is-invalid {
    border-color: #dc3545;
}

.purchase-code-group { display: none; }
.purchase-code-group.visible { display: block; }

.support-hint {
    background: #f0fbf7;
    border: 1px solid #b2e8d8;
    border-radius: 8px;
    padding: 10px 14px;
    font-size: 13px;
    color: #2d7a5f;
    margin-top: 8px;
    display: flex;
    gap: 8px;
    align-items: flex-start;
}

.support-hint i { flex-shrink: 0; margin-top: 1px; }

.btn-contact-submit {
    width: 100%;
    padding: 15px;
    background: linear-gradient(135deg, #00D9A3, #00C090);
    color: white;
    border: none;
    border-radius: 12px;
    font-weight: 700;
    font-size: 16px;
    cursor: pointer;
    transition: all .3s;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    margin-top: 4px;
}

.btn-contact-submit:hover { opacity: .9; }

.contact-success {
    text-align: center;
    padding: 40px 20px;
}

.contact-success-icon {
    width: 72px; height: 72px;
    background: linear-gradient(135deg, #00D9A3, #00C090);
    border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    font-size: 32px; color: white;
    margin: 0 auto 20px;
}

.contact-success h3 { font-size: 22px; font-weight: 800; margin-bottom: 8px; color: var(--dark); }
.contact-success p { color: #666; font-size: 15px; }

.required-star { color: #dc3545; margin-left: 3px; }

@media (max-width: 991px) {
    .contact-info-panel { margin-bottom: 24px; }
    .contact-form-card { padding: 28px 22px; }
    .contact-info-panel { padding: 28px 22px; }
}

@media (max-width: 576px) {
    .contact-hero h1 { font-size: 28px; }
    .contact-section { padding: 32px 0 56px; }
}