/* =============================================
   PRODUCT DETAIL — PREMIUM REDESIGN
   ============================================= */

/* === BREADCRUMB === */
.pd-breadcrumb {
    margin-top: 70px;
    padding: var(--space-3) 0;
    font-size: 0.8125rem;
    color: var(--color-text-tertiary);
}
.pd-breadcrumb a {
    color: var(--color-text-secondary);
    text-decoration: none;
    transition: color 0.2s;
}
.pd-breadcrumb a:hover { color: var(--color-primary); }
.pd-breadcrumb .separator { margin: 0 0.5rem; opacity: 0.5; }
.pd-breadcrumb .current { color: var(--color-text); font-weight: 600; }

/* === TOP SECTION: Gallery + Info === */
.pd-top {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-8);
    padding: var(--space-4) 0 var(--space-8);
    align-items: start;
}

/* --- Gallery --- */
.pd-main-img-wrap {
    position: relative;
    width: 100%;
    aspect-ratio: 1 / 1;
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    background: var(--color-bg-secondary);
    border: 1px solid var(--color-border);
}
.pd-main-img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    transition: transform 0.4s ease, opacity 0.2s ease;
}
.pd-main-img-wrap:hover .pd-main-img { transform: scale(1.03); }
.pd-thumbs {
    display: flex;
    gap: 0.625rem;
    margin-top: var(--space-3);
    overflow-x: auto;
    padding-bottom: 4px;
}
.pd-thumb {
    width: 72px;
    height: 72px;
    border-radius: var(--border-radius-md);
    object-fit: cover;
    border: 2px solid var(--color-border);
    cursor: pointer;
    transition: all 0.2s ease;
    flex-shrink: 0;
    background: var(--color-bg-secondary);
}
.pd-thumb:hover,
.pd-thumb.active {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 2px rgba(79, 70, 229, 0.15);
}

/* --- Info Panel --- */
.pd-type-badge {
    display: inline-block;
    padding: 0.3rem 0.9rem;
    border-radius: 100px;
    font-size: 0.6875rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    background: rgba(79, 70, 229, 0.08);
    color: var(--color-primary);
    margin-bottom: var(--space-2);
}
.pd-title {
    font-size: clamp(1.5rem, 3.5vw, 2.25rem);
    font-weight: 800;
    line-height: 1.15;
    letter-spacing: -0.03em;
    color: var(--color-text);
    margin: 0 0 var(--space-2);
}
.pd-short-desc {
    font-size: 0.9375rem;
    color: var(--color-text-secondary);
    line-height: 1.7;
    margin-bottom: var(--space-3);
}
.pd-meta-row {
    display: flex;
    align-items: center;
    gap: var(--space-4);
    margin-bottom: var(--space-4);
    flex-wrap: wrap;
}
.pd-meta-item {
    display: inline-flex;
    align-items: center;
    gap: 0.375rem;
    font-size: 0.8125rem;
    color: var(--color-text-tertiary);
}
.pd-meta-item svg { flex-shrink: 0; }
.pd-price-box {
    display: flex;
    align-items: baseline;
    gap: 0.75rem;
    margin-bottom: var(--space-4);
    flex-wrap: wrap;
}
.pd-price {
    font-size: 2rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}
.pd-price-original {
    font-size: 1.125rem;
    font-weight: 500;
    color: var(--color-text-tertiary);
    text-decoration: line-through;
    text-decoration-thickness: 2px;
}
.pd-price-note {
    font-size: 0.8125rem;
    color: var(--color-text-tertiary);
}
.pd-discount-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
    padding: 0.2rem 0.625rem;
    border-radius: 6px;
    font-size: 0.75rem;
    font-weight: 700;
    background: linear-gradient(135deg, #ef4444, #dc2626);
    color: #fff;
    letter-spacing: 0.03em;
    animation: pd-badge-pulse 2s ease-in-out infinite;
}
@keyframes pd-badge-pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.05); }
}
.pd-savings-tag {
    font-size: 0.75rem;
    font-weight: 600;
    color: #22c55e;
    display: flex;
    align-items: center;
    gap: 0.25rem;
    margin-top: -0.75rem;
    margin-bottom: var(--space-4);
}

/* --- Quick Specs Chips --- */
.pd-quick-specs {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: var(--space-5);
}
.pd-chip {
    display: inline-flex;
    align-items: center;
    gap: 0.375rem;
    padding: 0.4rem 0.875rem;
    border-radius: 100px;
    font-size: 0.75rem;
    font-weight: 600;
    background: var(--color-bg-secondary);
    color: var(--color-text-secondary);
    border: 1px solid var(--color-border);
}
.pd-chip svg { width: 14px; height: 14px; flex-shrink: 0; }
.pd-chip--accent {
    background: rgba(79, 70, 229, 0.06);
    border-color: rgba(79, 70, 229, 0.15);
    color: var(--color-primary);
}

/* --- CTA Buttons --- */
.pd-cta-group {
    display: flex;
    flex-direction: column;
    gap: 0.625rem;
    margin-bottom: var(--space-5);
}
.pd-cta-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.875rem 1.5rem;
    border-radius: var(--border-radius-md);
    font-weight: 600;
    font-size: 0.9375rem;
    text-decoration: none;
    transition: all 0.25s ease;
    cursor: pointer;
    border: 2px solid transparent;
}
.pd-cta-btn svg { flex-shrink: 0; }
.pd-cta-checkout {
    background: var(--color-primary);
    color: #fff;
    border-color: var(--color-primary);
}
.pd-cta-checkout:hover {
    filter: brightness(1.1);
    transform: translateY(-1px);
    box-shadow: 0 4px 16px rgba(var(--color-primary-rgb, 59, 130, 246), 0.35);
}
.pd-cta-consult {
    background: transparent;
    color: var(--color-text-secondary);
    border-color: var(--color-border);
}
.pd-cta-consult:hover {
    border-color: var(--color-primary);
    color: var(--color-primary);
    transform: translateY(-1px);
}

/* === CHECKOUT MODAL === */
.pd-modal-overlay {
    position: fixed;
    inset: 0;
    z-index: 9999;
    background: rgba(0,0,0,0.55);
    backdrop-filter: blur(4px);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-4);
    animation: pdFadeIn 0.2s ease;
}
@keyframes pdFadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}
.pd-modal {
    background: var(--color-bg, #FAFBFF);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius-xl, 16px);
    width: 100%;
    max-width: 480px;
    max-height: 90vh;
    overflow-y: auto;
    position: relative;
    box-shadow: 0 20px 60px rgba(0,0,0,0.25), 0 0 0 1px rgba(0,0,0,0.05);
    animation: pdSlideUp 0.3s ease;
}
@keyframes pdSlideUp {
    from { transform: translateY(20px); opacity: 0; }
    to { transform: translateY(0); opacity: 1; }
}
.pd-modal-close {
    position: absolute;
    top: 0.75rem;
    right: 0.75rem;
    width: 32px;
    height: 32px;
    border-radius: 50%;
    border: none;
    background: var(--color-bg-secondary);
    color: var(--color-text-tertiary);
    font-size: 1.25rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s;
    z-index: 1;
}
.pd-modal-close:hover {
    background: var(--color-border);
    color: var(--color-text);
}
.pd-modal-header {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1.25rem 1.5rem;
    border-bottom: 1px solid var(--color-border);
}
.pd-modal-header h3 {
    font-size: 1.125rem;
    font-weight: 700;
    margin: 0;
    color: var(--color-text);
}

/* Modal Summary */
.pd-modal-summary {
    padding: 1rem 1.5rem;
    background: var(--color-bg-secondary);
    border-bottom: 1px solid var(--color-border);
}
.pd-modal-summary-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.25rem 0;
    font-size: 0.875rem;
    color: var(--color-text-secondary);
}
.pd-modal-price {
    color: var(--color-primary);
    font-weight: 700;
    font-size: 1rem;
}

/* Modal Form Fields */
.pd-modal-fields {
    padding: 1.25rem 1.5rem;
    display: flex;
    flex-direction: column;
    gap: 0.875rem;
}
.pd-field label {
    display: block;
    font-size: 0.8125rem;
    font-weight: 600;
    color: var(--color-text-secondary);
    margin-bottom: 0.375rem;
}
.pd-field label .required {
    color: #ef4444;
}
.pd-field input,
.pd-field textarea {
    width: 100%;
    padding: 0.625rem 0.875rem;
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius-md, 8px);
    background: var(--color-bg);
    color: var(--color-text);
    font-size: 0.875rem;
    font-family: inherit;
    transition: border-color 0.2s, box-shadow 0.2s;
    box-sizing: border-box;
}
.pd-field input:focus,
.pd-field textarea:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(var(--color-primary-rgb, 59, 130, 246), 0.15);
}
.pd-field input::placeholder,
.pd-field textarea::placeholder {
    color: var(--color-text-tertiary);
}

/* Grant Code Input Row */
.pd-grant-input-row {
    display: flex;
    gap: 0.5rem;
}
.pd-grant-input-row input {
    flex: 1;
}
.pd-grant-apply-btn {
    padding: 0.625rem 1rem;
    background: var(--color-primary);
    color: #fff;
    border: none;
    border-radius: var(--border-radius-md, 8px);
    font-weight: 600;
    font-size: 0.8125rem;
    cursor: pointer;
    white-space: nowrap;
    transition: filter 0.2s;
}
.pd-grant-apply-btn:hover {
    filter: brightness(1.1);
}
.pd-grant-feedback {
    font-size: 0.75rem;
    margin-top: 0.375rem;
    padding: 0.375rem 0.625rem;
    border-radius: var(--border-radius-sm, 6px);
}
.pd-grant-success {
    background: #ecfdf5;
    color: #065f46;
}
.pd-grant-error {
    background: #fef2f2;
    color: #991b1b;
}
.pd-grant-loading {
    background: #fefce8;
    color: #854d0e;
}

/* Grant Applied Row */
.pd-grant-applied-row {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.625rem 0.875rem;
    background: #ecfdf5;
    border: 1px solid #a7f3d0;
    border-radius: var(--border-radius-md, 8px);
    flex-wrap: wrap;
}
.pd-grant-applied-code {
    font-family: 'Courier New', monospace;
    font-weight: 800;
    font-size: 0.8125rem;
    letter-spacing: 1px;
    color: #065f46;
}
.pd-grant-applied-label {
    font-size: 0.75rem;
    font-weight: 600;
    color: #047857;
    background: #d1fae5;
    padding: 0.125rem 0.5rem;
    border-radius: 12px;
}
.pd-grant-remove-btn {
    margin-left: auto;
    background: none;
    border: 1px solid #fca5a5;
    color: #dc2626;
    font-size: 0.6875rem;
    font-weight: 600;
    padding: 0.25rem 0.625rem;
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.2s;
    white-space: nowrap;
}
.pd-grant-remove-btn:hover {
    background: #fef2f2;
    border-color: #ef4444;
}
.pd-grant-apply-btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

/* Tech Grant Link */
.pd-grant-link {
    display: inline-flex;
    align-items: center;
    gap: 0.375rem;
    margin-top: 0.5rem;
    font-size: 0.75rem;
    color: var(--color-primary);
    text-decoration: none;
    font-weight: 600;
    transition: color 0.2s, gap 0.2s;
}
.pd-grant-link:hover {
    color: var(--color-primary-dark, #1a56db);
    gap: 0.5rem;
}
.pd-grant-link svg {
    flex-shrink: 0;
}

/* Contact Type Selector */
.pd-contact-type-row {
    display: flex;
    gap: 0.375rem;
    margin-bottom: 0.5rem;
}
.pd-contact-type-btn {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.375rem;
    padding: 0.5rem 0.625rem;
    border: 2px solid var(--color-border);
    border-radius: var(--border-radius-md, 8px);
    background: var(--color-bg);
    color: var(--color-text-secondary);
    font-size: 0.75rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
}
.pd-contact-type-btn:hover {
    border-color: var(--color-text-tertiary);
}
.pd-contact-type-btn.active {
    border-color: var(--color-primary);
    background: rgba(var(--color-primary-rgb, 59, 130, 246), 0.08);
    color: var(--color-primary);
}
.pd-contact-type-btn svg { flex-shrink: 0; }

/* Privacy Agreement */
/* Add-on Checkboxes */
.pd-addon-checkboxes {
    display: flex;
    flex-direction: column;
    gap: 6px;
}
.pd-addon-checkbox-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 14px;
    border: 1px solid var(--color-border);
    border-radius: 8px;
    cursor: pointer;
    transition: border-color 0.2s, background 0.2s;
}
.pd-addon-checkbox-item:hover {
    border-color: var(--color-primary);
    background: rgba(var(--color-primary-rgb, 37, 99, 235), 0.04);
}
.pd-addon-checkbox-item input[type="checkbox"] {
    width: 18px;
    height: 18px;
    accent-color: var(--color-primary);
    flex-shrink: 0;
    cursor: pointer;
}
.pd-addon-checkbox-info {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex: 1;
    min-width: 0;
}
.pd-addon-checkbox-name {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--color-text);
}
.pd-addon-checkbox-price {
    font-size: 0.8rem;
    font-weight: 700;
    color: var(--color-primary);
    white-space: nowrap;
}
.pd-privacy-box {
    padding: 0.75rem 1.5rem;
    border-top: 1px solid var(--color-border);
}
.pd-privacy-label {
    display: flex;
    align-items: flex-start;
    gap: 0.5rem;
    cursor: pointer;
    font-size: 0.75rem;
    color: var(--color-text-secondary);
    line-height: 1.5;
}
.pd-privacy-label input[type="checkbox"] {
    margin-top: 2px;
    flex-shrink: 0;
    accent-color: var(--color-primary);
    width: 16px;
    height: 16px;
}
.pd-contact-note {
    display: flex;
    align-items: center;
    gap: 0.375rem;
    margin-top: 0.375rem;
    font-size: 0.6875rem;
    color: var(--color-text-tertiary);
    line-height: 1.4;
}
.pd-contact-note svg { flex-shrink: 0; }

/* Modal Final Summary */
.pd-modal-final {
    padding: 0.875rem 1.5rem;
    background: var(--color-bg-secondary);
    border-top: 1px solid var(--color-border);
}
.pd-modal-total-row {
    border-top: 2px solid var(--color-border);
    margin-top: 0.375rem;
    padding-top: 0.5rem;
}
.pd-text-green {
    color: #10b981;
}
.pd-discount-row {
    display: flex;
}

/* Checkout Submit Button */
.pd-checkout-submit-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    width: calc(100% - 3rem);
    margin: 1rem 1.5rem 1.5rem;
    padding: 0.875rem;
    background: var(--color-primary);
    color: #fff;
    border: none;
    border-radius: var(--border-radius-md, 8px);
    font-size: 0.9375rem;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.2s;
}
.pd-checkout-submit-btn:hover {
    filter: brightness(1.1);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(var(--color-primary-rgb, 59, 130, 246), 0.3);
}
.pd-checkout-submit-btn:disabled {
    opacity: 0.7;
    cursor: not-allowed;
    transform: none;
    filter: none;
}
.pd-checkout-submit-btn .pd-spinner {
    width: 18px;
    height: 18px;
    border: 2.5px solid rgba(255,255,255,0.3);
    border-top-color: #fff;
    border-radius: 50%;
    animation: pdSpin 0.6s linear infinite;
}
@keyframes pdSpin {
    to { transform: rotate(360deg); }
}

/* Form Inline Errors */
.pd-field-error {
    font-size: 0.8rem;
    color: #ef4444;
    margin-top: 0.25rem;
    display: flex;
    align-items: center;
    gap: 0.25rem;
}
.pd-field.has-error input,
.pd-field.has-error textarea {
    border-color: #ef4444;
    box-shadow: 0 0 0 2px rgba(239,68,68,0.15);
}

/* Form Alert Banner */
.pd-form-alert {
    margin: 0 1.5rem;
    padding: 0.75rem 1rem;
    border-radius: var(--border-radius-md, 8px);
    font-size: 0.85rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    animation: pdFadeIn 0.3s ease;
}
@keyframes pdFadeIn {
    from { opacity: 0; transform: translateY(-6px); }
    to   { opacity: 1; transform: translateY(0); }
}
.pd-form-alert--error {
    background: #fef2f2;
    color: #b91c1c;
    border: 1px solid #fecaca;
}
.pd-form-alert--success {
    background: #f0fdf4;
    color: #15803d;
    border: 1px solid #bbf7d0;
}
[data-theme="dark"] .pd-form-alert--error {
    background: rgba(239,68,68,0.1);
    border-color: rgba(239,68,68,0.25);
    color: #fca5a5;
}
[data-theme="dark"] .pd-form-alert--success {
    background: rgba(34,197,94,0.1);
    border-color: rgba(34,197,94,0.25);
    color: #86efac;
}
[data-theme="dark"] .pd-field-error {
    color: #fca5a5;
}

/* === CONSULTATION MODAL === */
.pd-modal--consult {
    max-width: 440px;
}
.pd-consult-desc {
    padding: 0 1.5rem;
    margin: 0.75rem 0 1rem;
    font-size: 0.875rem;
    color: var(--color-text-secondary);
    line-height: 1.5;
}
.pd-consult-channels {
    padding: 0 1.5rem 1.5rem;
    display: flex;
    flex-direction: column;
    gap: 0.625rem;
}
.pd-channel-card {
    display: flex;
    align-items: center;
    gap: 0.875rem;
    padding: 0.875rem 1rem;
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius-md, 8px);
    text-decoration: none;
    transition: all 0.2s ease;
    color: var(--color-text);
}
.pd-channel-card:hover {
    border-color: var(--color-primary);
    background: var(--color-bg-secondary);
    transform: translateX(2px);
}
.pd-channel-icon {
    width: 44px;
    height: 44px;
    border-radius: var(--border-radius-md, 8px);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}
.pd-channel--wa .pd-channel-icon {
    background: #25d36615;
    color: #25d366;
}
.pd-channel--tg .pd-channel-icon {
    background: #0088cc15;
    color: #0088cc;
}
.pd-channel--ig .pd-channel-icon {
    background: #e4405f15;
    color: #e4405f;
}
.pd-channel-info {
    flex: 1;
    min-width: 0;
}
.pd-channel-info strong {
    display: block;
    font-size: 0.9375rem;
    font-weight: 700;
}
.pd-channel-info span {
    display: block;
    font-size: 0.75rem;
    color: var(--color-text-tertiary);
    margin-top: 1px;
}
.pd-channel-card > svg:last-child {
    flex-shrink: 0;
    color: var(--color-text-tertiary);
    transition: color 0.2s, transform 0.2s;
}
.pd-channel-card:hover > svg:last-child {
    color: var(--color-primary);
    transform: translateX(3px);
}

/* --- Trust Badges --- */
.pd-trust-list {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-2);
    padding-top: var(--space-4);
    border-top: 1px solid var(--color-border);
}
.pd-trust-item {
    display: flex;
    gap: var(--space-2);
    align-items: center;
    padding: var(--space-2);
    border-radius: var(--border-radius-md);
    background: var(--color-bg-secondary);
}
.pd-trust-icon {
    width: 36px;
    height: 36px;
    border-radius: 8px;
    background: rgba(79, 70, 229, 0.06);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    font-size: 1rem;
}
.pd-trust-text {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--color-text);
    line-height: 1.3;
}

/* --- Payment Info --- */
.pd-payment-info {
    margin-top: var(--space-6);
    padding: var(--space-5);
    border-radius: var(--border-radius-lg, 16px);
    background: linear-gradient(135deg, rgba(79,70,229,0.04), rgba(99,102,241,0.06));
    border: 1px solid rgba(79,70,229,0.12);
    position: relative;
    overflow: hidden;
}
.pd-payment-info::before {
    content: '';
    position: absolute;
    top: 0; left: 0;
    width: 4px;
    height: 100%;
    background: linear-gradient(180deg, var(--color-primary), var(--color-secondary));
    border-radius: 4px 0 0 4px;
}
.pd-payment-title {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.9375rem;
    font-weight: 700;
    color: var(--color-text);
    margin-bottom: var(--space-3);
}
.pd-payment-section { padding: 0 0 var(--space-4); }
.pd-payment-steps {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
}
.pd-payment-step {
    display: flex;
    gap: 0.75rem;
    align-items: flex-start;
}
.pd-step-num {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.75rem;
    font-weight: 800;
    flex-shrink: 0;
}
.pd-step-num--1 { background: rgba(79,70,229,0.12); color: var(--color-primary); }
.pd-step-num--2 { background: rgba(234,179,8,0.12); color: #ca8a04; }
.pd-step-num--3 { background: rgba(34,197,94,0.12); color: #16a34a; }
.pd-step-content h4 {
    font-size: 0.8125rem;
    font-weight: 700;
    color: var(--color-text);
    margin-bottom: 2px;
}
.pd-step-content p {
    font-size: 0.75rem;
    color: var(--color-text-secondary);
    line-height: 1.5;
    margin: 0;
}
.pd-payment-note {
    margin-top: var(--space-3);
    padding: var(--space-2) var(--space-3);
    background: rgba(34,197,94,0.08);
    border-radius: var(--border-radius-md, 8px);
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.75rem;
    font-weight: 600;
    color: #16a34a;
}

/* =============================================
   CONTENT SECTION (Tabs)
   ============================================= */
.pd-content-section {
    padding: var(--space-6) 0 var(--space-8);
}
.pd-tabs-nav {
    display: flex;
    gap: 0;
    border-bottom: 2px solid var(--color-border);
    margin-bottom: var(--space-6);
    overflow-x: auto;
}
.pd-tab-btn {
    padding: var(--space-3) var(--space-4);
    font-size: 0.9375rem;
    font-weight: 600;
    color: var(--color-text-secondary);
    background: none;
    border: none;
    cursor: pointer;
    position: relative;
    transition: color 0.25s;
    white-space: nowrap;
}
.pd-tab-btn::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 100%;
    height: 2px;
    background: var(--color-primary);
    transform: scaleX(0);
    transition: transform 0.25s;
}
.pd-tab-btn:hover { color: var(--color-text); }
.pd-tab-btn.active { color: var(--color-primary); }
.pd-tab-btn.active::after { transform: scaleX(1); }
.pd-tab-count {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: rgba(79, 70, 229, 0.08);
    color: var(--color-primary);
    font-size: 0.6875rem;
    font-weight: 700;
    margin-left: 0.375rem;
}

.pd-tab-panel {
    display: none;
    animation: pdFadeIn 0.3s ease;
}
.pd-tab-panel.active { display: block; }
@keyframes pdFadeIn {
    from { opacity: 0; transform: translateY(8px); }
    to { opacity: 1; transform: translateY(0); }
}

/* --- Description Content --- */
.pd-desc-content {
    font-size: 1rem;
    line-height: 1.85;
    color: var(--color-text-secondary);
}
.pd-desc-content h2 { font-size: 1.375rem; font-weight: 700; color: var(--color-text); margin: 2rem 0 0.75rem; }
.pd-desc-content h3 { font-size: 1.125rem; font-weight: 600; color: var(--color-text); margin: 1.5rem 0 0.5rem; }
.pd-desc-content p { margin-bottom: 1rem; }
.pd-desc-content ul, .pd-desc-content ol { padding-left: 1.5rem; margin-bottom: 1rem; }
.pd-desc-content li { margin-bottom: 0.375rem; }
.pd-desc-content ul li::marker { color: var(--color-primary); }
.pd-desc-content strong { font-weight: 600; color: var(--color-text); }

/* --- Feature Grid (Highlights) --- */
.pd-features-section { margin-top: var(--space-6); }
.pd-features-section-title {
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--color-text);
    margin-bottom: var(--space-3);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}
.pd-features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    gap: var(--space-3);
}
.pd-feature-card {
    display: flex;
    gap: var(--space-3);
    align-items: flex-start;
    padding: var(--space-3);
    border-radius: var(--border-radius-md);
    background: var(--color-bg-secondary);
    border: 1px solid var(--color-border);
    transition: border-color 0.2s, box-shadow 0.2s;
}
.pd-feature-card:hover {
    border-color: rgba(79, 70, 229, 0.2);
    box-shadow: 0 2px 8px rgba(79, 70, 229, 0.06);
}
.pd-feature-icon {
    width: 36px;
    height: 36px;
    border-radius: 8px;
    background: rgba(79, 70, 229, 0.08);
    color: var(--color-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    font-weight: 800;
    font-size: 0.875rem;
}
.pd-feature-text {
    font-size: 0.875rem;
    color: var(--color-text-secondary);
    line-height: 1.5;
}

/* --- Spec Table (Detailed Specifications) --- */
.pd-spec-wrap { overflow-x: auto; }
.pd-spec-table {
    width: 100%;
    border-collapse: collapse;
    border-radius: var(--border-radius-md);
    overflow: hidden;
    border: 1px solid var(--color-border);
}
.pd-spec-table thead th {
    background: var(--color-primary);
    color: white;
    font-size: 0.8125rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    padding: 0.75rem 1.25rem;
    text-align: left;
}
.pd-spec-table td {
    padding: 0.875rem 1.25rem;
    font-size: 0.875rem;
    border-bottom: 1px solid var(--color-border);
    color: var(--color-text-secondary);
}
.pd-spec-table tr:last-child td { border-bottom: none; }
.pd-spec-table tr:hover td { background: var(--color-bg-secondary); }
.pd-spec-label {
    font-weight: 600;
    color: var(--color-text);
    width: 200px;
    white-space: nowrap;
}
.pd-spec-value {
    color: var(--color-text-secondary);
}
.pd-spec-icon {
    display: inline-flex;
    margin-right: 0.375rem;
    color: var(--color-primary);
}

/* --- Addons Table --- */
.pd-addons-wrap { overflow-x: auto; -webkit-overflow-scrolling: touch; }
.pd-addons-table {
    width: 100%;
    border-collapse: collapse;
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius-md);
    overflow: hidden;
    min-width: 460px;
}
.pd-addons-table th {
    background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
    color: white;
    padding: 0.75rem 1.25rem;
    font-size: 0.8125rem;
    font-weight: 600;
    text-align: left;
}
.pd-addons-table td {
    padding: 0.875rem 1.25rem;
    border-bottom: 1px solid var(--color-border);
    font-size: 0.875rem;
}
.pd-addons-table tr:last-child td { border-bottom: none; }
.pd-addons-table tr:hover td { background: var(--color-bg-secondary); }
.pd-addon-name { font-weight: 600; color: var(--color-text); }
.pd-addon-price { font-weight: 700; color: var(--color-primary); white-space: nowrap; }
.pd-addon-desc { color: var(--color-text-secondary); font-size: 0.8125rem; }

/* =============================================
   PRODUCT CARDS (Related / Recommended)
   ============================================= */
.pd-products-section {
    padding: var(--space-8) 0;
    border-top: 1px solid var(--color-border);
}
.pd-section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--space-5);
}
.pd-section-title {
    font-size: clamp(1.25rem, 2.5vw, 1.75rem);
    font-weight: 700;
    color: var(--color-text);
}
.pd-section-subtitle {
    font-size: 0.875rem;
    color: var(--color-text-tertiary);
    margin-top: 0.25rem;
}
.pd-see-all {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--color-primary);
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
    transition: gap 0.2s;
}
.pd-see-all:hover { gap: 0.5rem; }

.pd-products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    gap: var(--space-4);
}
.pd-product-card {
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    transition: all 0.3s ease;
    text-decoration: none;
    display: block;
    position: relative;
}
.pd-product-card:hover {
    border-color: rgba(79, 70, 229, 0.2);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.06);
    transform: translateY(-2px);
}
.pd-product-img {
    width: 100%;
    aspect-ratio: 16/10;
    object-fit: cover;
    background: var(--color-bg-secondary);
}
.pd-product-img-placeholder {
    width: 100%;
    aspect-ratio: 16/10;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-text-tertiary);
    background: var(--color-bg-secondary);
}
.pd-product-body {
    padding: var(--space-3) var(--space-4) var(--space-4);
}
.pd-product-type {
    display: inline-block;
    padding: 0.2rem 0.625rem;
    border-radius: 100px;
    font-size: 0.625rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    background: rgba(79, 70, 229, 0.07);
    color: var(--color-primary);
    margin-bottom: 0.5rem;
}
.pd-product-name {
    font-size: 1rem;
    font-weight: 700;
    color: var(--color-text);
    margin: 0 0 0.375rem;
    line-height: 1.3;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.pd-product-desc {
    font-size: 0.8125rem;
    color: var(--color-text-tertiary);
    line-height: 1.5;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    margin-bottom: 0.75rem;
}
.pd-product-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.pd-product-price {
    font-size: 1rem;
    font-weight: 800;
    color: var(--color-primary);
}
.pd-product-price-original {
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--color-text-tertiary);
    text-decoration: line-through;
    text-decoration-thickness: 1.5px;
}
.pd-product-discount {
    display: inline-flex;
    padding: 0.125rem 0.4rem;
    border-radius: 4px;
    font-size: 0.625rem;
    font-weight: 700;
    background: #ef4444;
    color: #fff;
    letter-spacing: 0.02em;
}
.pd-product-link {
    font-size: 0.8125rem;
    font-weight: 600;
    color: var(--color-primary);
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
}
.pd-product-link:hover { text-decoration: underline; }

/* Featured badge */
.pd-featured-badge {
    position: absolute;
    top: 10px;
    right: 10px;
    padding: 0.2rem 0.625rem;
    border-radius: 6px;
    font-size: 0.625rem;
    font-weight: 700;
    text-transform: uppercase;
    background: linear-gradient(135deg, #f59e0b, #f97316);
    color: white;
    letter-spacing: 0.04em;
    z-index: 2;
}

/* No-image placeholder inside gallery */
.pd-gallery-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-text-tertiary);
    font-size: 3rem;
}

/* Spec price highlight */
.pd-spec-price-highlight {
    font-weight: 700;
    color: var(--color-primary);
}
.pd-spec-price-strikethrough {
    text-decoration: line-through;
    color: var(--color-text-tertiary);
    font-weight: 400;
    font-size: 0.85em;
}

/* Recommended section background */
.pd-products-section--alt {
    background: var(--color-bg-secondary);
}

/* =============================================
   RESPONSIVE
   ============================================= */
@media (max-width: 768px) {
    .pd-top {
        grid-template-columns: 1fr;
        gap: var(--space-4);
    }
    .pd-main-img-wrap { aspect-ratio: 4/3; }
    .pd-title { font-size: 1.5rem; }
    .pd-price { font-size: 1.625rem; }
    .pd-trust-list { grid-template-columns: 1fr; }
    .pd-tab-btn { padding: var(--space-2) var(--space-3); font-size: 0.875rem; }
    .pd-features-grid { grid-template-columns: 1fr; }
    .pd-products-grid { grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); }
    .pd-section-header { flex-direction: column; align-items: flex-start; gap: 0.5rem; }
}
@media (max-width: 480px) {
    .pd-breadcrumb { font-size: 0.75rem; padding: var(--space-2) 0; }
    .pd-top { padding: var(--space-2) 0 var(--space-4); }
    .pd-main-img-wrap { aspect-ratio: 1/1; }
    .pd-title { font-size: 1.25rem; }
    .pd-price { font-size: 1.375rem; }
    .pd-thumb { width: 56px; height: 56px; }
    .pd-cta-btn { padding: 0.75rem 1rem; font-size: 0.875rem; }
    .pd-tab-btn { padding: var(--space-2); font-size: 0.8125rem; }
    .pd-spec-table td, .pd-spec-table th { padding: 0.625rem 0.75rem; font-size: 0.8125rem; }
    .pd-spec-label { width: auto; white-space: normal; }
    .pd-content-section { padding: var(--space-4) 0 var(--space-6); }
    .pd-quick-specs { gap: 0.375rem; }
    .pd-chip { font-size: 0.6875rem; padding: 0.3rem 0.625rem; }
    .pd-products-grid { grid-template-columns: 1fr; }

    /* Modal responsive */
    .pd-modal { max-width: 100%; border-radius: 12px; }
    .pd-modal-overlay { padding: var(--space-2); }
    .pd-modal-header { padding: 1rem; }
    .pd-modal-header h3 { font-size: 1rem; }
    .pd-modal-fields { padding: 1rem; }
    .pd-modal-summary { padding: 0.75rem 1rem; }
    .pd-modal-final { padding: 0.75rem 1rem; }
    .pd-checkout-submit-btn { width: calc(100% - 2rem); margin: 0.75rem 1rem 1rem; }
    .pd-consult-desc { padding: 0 1rem; }
    .pd-consult-channels { padding: 0 1rem 1rem; }
}

/* === Dark mode === */
[data-theme="dark"] .pd-type-badge { background: rgba(129,140,248,0.12); color: var(--color-primary-light); }
[data-theme="dark"] .pd-trust-item { background: var(--color-bg-tertiary); }
[data-theme="dark"] .pd-trust-icon { background: rgba(129,140,248,0.1); }
[data-theme="dark"] .pd-chip { background: var(--color-bg-tertiary); border-color: var(--color-border); }
[data-theme="dark"] .pd-chip--accent { background: rgba(129,140,248,0.1); border-color: rgba(129,140,248,0.2); }
[data-theme="dark"] .pd-spec-table thead th { background: var(--color-primary-dark, #4338CA); }
[data-theme="dark"] .pd-feature-card { background: var(--color-bg-tertiary); }
[data-theme="dark"] .pd-feature-icon { background: rgba(129,140,248,0.12); }
[data-theme="dark"] .pd-addons-table th { background: linear-gradient(135deg, var(--color-primary-dark, #4338CA), var(--color-secondary)); }
[data-theme="dark"] .pd-product-card { background: var(--color-bg-secondary); }
[data-theme="dark"] .pd-product-type { background: rgba(129,140,248,0.12); }

/* Dark mode - Modals */
[data-theme="dark"] .pd-modal { background: var(--color-bg, #09090B); border-color: var(--color-border); box-shadow: 0 20px 60px rgba(0,0,0,0.6), 0 0 0 1px rgba(255,255,255,0.05); }
[data-theme="dark"] .pd-modal-overlay { background: rgba(0,0,0,0.7); }
[data-theme="dark"] .pd-modal-summary { background: var(--color-bg-tertiary); }
[data-theme="dark"] .pd-modal-final { background: var(--color-bg-tertiary); }
[data-theme="dark"] .pd-field input,
[data-theme="dark"] .pd-field textarea { background: var(--color-bg-secondary); border-color: var(--color-border); }
[data-theme="dark"] .pd-grant-success { background: #064e3b; color: #6ee7b7; }
[data-theme="dark"] .pd-grant-error { background: #7f1d1d; color: #fca5a5; }
[data-theme="dark"] .pd-grant-loading { background: #78350f; color: #fcd34d; }
[data-theme="dark"] .pd-grant-applied-row { background: #064e3b; border-color: #047857; }
[data-theme="dark"] .pd-grant-applied-code { color: #6ee7b7; }
[data-theme="dark"] .pd-grant-applied-label { background: #047857; color: #d1fae5; }
[data-theme="dark"] .pd-grant-remove-btn { border-color: #991b1b; color: #fca5a5; }
[data-theme="dark"] .pd-grant-remove-btn:hover { background: #7f1d1d; }
[data-theme="dark"] .pd-channel-card { background: var(--color-bg-secondary); border-color: var(--color-border); }
[data-theme="dark"] .pd-channel-card:hover { background: var(--color-bg-tertiary); }