/* ─── Buttons ─── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  padding: 0.75rem 1.5rem;
  font-size: var(--text-sm);
  font-weight: var(--weight-semibold);
  border-radius: var(--radius-md);
  border: 2px solid transparent;
  cursor: pointer;
  transition: all var(--transition-fast);
  white-space: nowrap;
  text-decoration: none;
}

.btn--primary {
  background: var(--color-primary);
  color: #fff;
  border-color: var(--color-primary);
}

.btn--primary:hover {
  background: var(--color-primary-dark);
  border-color: var(--color-primary-dark);
}

.btn--outline {
  background: transparent;
  color: #fff;
  border-color: rgba(255, 255, 255, 0.5);
}

.btn--outline:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: #fff;
}

.btn--outline-primary {
  background: transparent;
  color: var(--color-primary);
  border-color: var(--color-primary);
}

.btn--outline-primary:hover {
  background: var(--color-primary);
  color: #fff;
}

.btn--secondary {
  background: var(--color-secondary);
  color: #fff;
  border-color: var(--color-secondary);
}

.btn--secondary:hover {
  background: #2d2d4a;
  border-color: #2d2d4a;
}

.btn--ghost {
  background: transparent;
  color: var(--color-text);
  border-color: transparent;
}

.btn--ghost:hover {
  background: var(--color-bg-alt);
}

.btn--sm {
  padding: 0.5rem 1rem;
  font-size: var(--text-xs);
}

.btn--lg {
  padding: 1rem 2rem;
  font-size: var(--text-base);
}

.btn--full {
  width: 100%;
}

/* ─── Cards ─── */
.card {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-card-hover);
}

.card__image {
  aspect-ratio: 4/3;
  overflow: hidden;
}

.card__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.card:hover .card__image img {
  transform: scale(1.05);
}

.card__content {
  padding: var(--space-lg);
}

.card__title {
  font-size: var(--text-base);
  font-weight: var(--weight-semibold);
  margin-bottom: var(--space-sm);
  line-height: var(--leading-tight);
}

.card__title a {
  transition: color var(--transition-fast);
}

.card__title a:hover {
  color: var(--color-primary);
}

.card__excerpt {
  color: var(--color-text-muted);
  font-size: var(--text-sm);
  margin-bottom: var(--space-md);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.card__meta {
  font-size: var(--text-xs);
  color: var(--color-text-light);
}

/* ─── Product Card ─── */
.product-card {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all var(--transition-base);
  position: relative;
}

.product-card:hover {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-card-hover);
  transform: translateY(-2px);
}

.product-card__badge {
  position: absolute;
  top: var(--space-sm);
  left: var(--space-sm);
  background: var(--color-accent);
  color: #fff;
  font-size: var(--text-xs);
  font-weight: var(--weight-semibold);
  padding: 0.2rem 0.6rem;
  border-radius: var(--radius-sm);
  z-index: 2;
  line-height: 1.4;
}

.product-card__image {
  aspect-ratio: 4/3;
  overflow: hidden;
  background: var(--color-bg-alt);
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-lg) var(--radius-lg) 0 0;
}

.product-card__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.product-card:hover .product-card__image img {
  transform: scale(1.05);
}

.product-card__placeholder {
  color: var(--color-text-light);
}

.product-card__info {
  padding: var(--space-md);
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}

.product-card__title {
  font-size: var(--text-sm);
  font-weight: var(--weight-semibold);
  line-height: var(--leading-tight);
  margin-bottom: 0;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.product-card__title a {
  transition: color var(--transition-fast);
}

.product-card__title a:hover {
  color: var(--color-primary);
}

.product-card__desc {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  line-height: var(--leading-normal);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.product-card__features {
  list-style: none;
  padding: 0;
  margin: var(--space-xs) 0 0;
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
}

.product-card__features li {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  line-height: 1.4;
}

.product-card__features li svg {
  flex-shrink: 0;
}

.product-card__footer {
  margin-top: auto;
  padding-top: var(--space-sm);
  border-top: 1px solid var(--color-border-light);
}

.product-card__price {
  font-size: var(--text-lg);
  font-weight: var(--weight-bold);
  color: var(--color-primary);
}

.product-card__price-old {
  font-size: var(--text-sm);
  color: var(--color-text-light);
  text-decoration: line-through;
  margin-left: var(--space-sm);
}

.product-card__meta-tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-xs);
  margin-top: var(--space-xs);
}

.product-card__tag {
  display: inline-flex;
  align-items: center;
  gap: 0.2rem;
  font-size: 0.7rem;
  color: var(--color-text-muted);
  background: var(--color-bg-alt);
  padding: 0.15rem 0.45rem;
  border-radius: var(--radius-sm);
  white-space: nowrap;
}

.product-card__tag svg {
  flex-shrink: 0;
}

.product-card__tag--gift {
  color: var(--color-success);
  background: #e8f5e9;
}

.product-card__meta {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
}

/* ─── Feature Card ─── */
.feature-card {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  text-align: center;
  transition: all var(--transition-base);
}

.feature-card:hover {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-card-hover);
  transform: translateY(-4px);
}

.feature-card__icon {
  width: 64px;
  height: 64px;
  margin: 0 auto var(--space-md);
  background: var(--color-primary-light);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-primary);
}

.feature-card__title {
  font-size: var(--text-base);
  font-weight: var(--weight-semibold);
  margin-bottom: var(--space-sm);
}

.feature-card__desc {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: var(--leading-relaxed);
}

/* ─── News Card ─── */
.news-card {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all var(--transition-base);
}

.news-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-card-hover);
}

.news-card__image {
  aspect-ratio: 16/10;
  overflow: hidden;
  background: var(--color-bg-alt);
  display: flex;
  align-items: center;
  justify-content: center;
}

.news-card__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.news-card:hover .news-card__image img {
  transform: scale(1.05);
}

.news-card__placeholder {
  color: var(--color-text-light);
}

.news-card__content {
  padding: var(--space-md);
}

.news-card__cat {
  font-size: var(--text-xs);
  font-weight: var(--weight-semibold);
  color: var(--color-primary);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.news-card__title {
  font-size: var(--text-sm);
  font-weight: var(--weight-semibold);
  margin: var(--space-sm) 0;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.news-card__title a {
  transition: color var(--transition-fast);
}

.news-card__title a:hover {
  color: var(--color-primary);
}

.news-card__meta {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
}

/* ─── USP Card ─── */
.usp-card {
  text-align: center;
  padding: var(--space-xl);
}

.usp-card__icon {
  width: 80px;
  height: 80px;
  margin: 0 auto var(--space-md);
  background: var(--color-primary-light);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-primary);
}

.usp-card__title {
  font-size: var(--text-lg);
  font-weight: var(--weight-semibold);
  margin-bottom: var(--space-sm);
}

.usp-card__desc {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: var(--leading-relaxed);
}

/* ─── Testimonial Card (moved to layout.css) ─── */

/* ─── CTA Section (legacy — kept for non-homepage pages) ─── */
.cta {
  background: linear-gradient(135deg, var(--color-primary) 0%, #0340b5 50%, #022b80 100%);
  color: #fff;
  padding: var(--space-3xl) 0;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.cta__inner {
  position: relative;
  z-index: 1;
}

.cta__title {
  font-size: var(--text-3xl);
  font-weight: var(--weight-bold);
  color: #fff;
  margin-bottom: var(--space-md);
}

.cta__desc {
  font-size: var(--text-lg);
  color: rgba(255, 255, 255, 0.9);
  margin-bottom: var(--space-xl);
  max-width: 600px;
  margin-inline: auto;
}

.cta__actions {
  display: flex;
  justify-content: center;
  gap: var(--space-md);
  flex-wrap: wrap;
}

/* ─── Badges ─── */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 0.25rem 0.625rem;
  font-size: var(--text-xs);
  font-weight: var(--weight-semibold);
  border-radius: var(--radius-full);
}

.badge--primary {
  background: var(--color-primary-light);
  color: var(--color-primary);
}

.badge--success {
  background: #e8f5e9;
  color: var(--color-success);
}

.badge--warning {
  background: #fff3e0;
  color: #f57c00;
}

.badge--danger {
  background: #fce4ec;
  color: var(--color-danger);
}

/* ─── Category Icons (ThinkPro style) ─── */
.category-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: var(--space-md);
  border-radius: var(--radius-lg);
  transition: all var(--transition-base);
  cursor: pointer;
}

.category-item:hover {
  background: var(--color-primary-light);
}

.category-item__icon {
  width: 56px;
  height: 56px;
  background: var(--color-bg-alt);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-sm);
  color: var(--color-primary);
  transition: background var(--transition-fast);
}

.category-item:hover .category-item__icon {
  background: var(--color-primary);
  color: #fff;
}

.category-item__label {
  font-size: var(--text-sm);
  font-weight: var(--weight-medium);
  color: var(--color-text);
}

/* ═══════════════════════════════════════════════════════════
   Product Detail Page (ThinkPro-inspired)
   ═══════════════════════════════════════════════════════════ */

/* ─── Breadcrumb ─── */
.breadcrumb {
  padding: var(--space-md) 0;
}

.breadcrumb__list {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-xs);
  list-style: none;
  padding: 0;
  margin: 0;
  font-size: var(--text-sm);
}

.breadcrumb__item a {
  color: var(--color-text-muted);
  transition: color var(--transition-fast);
}

.breadcrumb__item a:hover {
  color: var(--color-primary);
}

.breadcrumb__item + .breadcrumb__item::before {
  content: '›';
  margin-right: var(--space-xs);
  color: var(--color-text-light);
}

.breadcrumb__item--current {
  color: var(--color-text);
  font-weight: var(--weight-medium);
}

/* ─── Product Top Grid ─── */
.product-top {
  padding-bottom: var(--space-3xl);
}

.product-top__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-2xl);
  align-items: start;
}

/* ─── Product Gallery ─── */
.product-gallery {
  position: sticky;
  top: calc(var(--header-height) + var(--space-lg));
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.product-gallery__badge {
  position: absolute;
  top: var(--space-md);
  left: var(--space-md);
  background: var(--color-accent);
  color: #fff;
  font-size: var(--text-xs);
  font-weight: var(--weight-semibold);
  padding: 0.3rem 0.75rem;
  border-radius: var(--radius-sm);
  z-index: 2;
}

.product-gallery__main {
  background: var(--color-bg-alt);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  overflow: hidden;
  aspect-ratio: 1 / 1;
  display: flex;
  align-items: center;
  justify-content: center;
}

.product-gallery__image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-base);
  cursor: zoom-in;
}

.product-gallery__image:hover {
  transform: scale(1.05);
}

.product-gallery__placeholder {
  color: var(--color-text-light);
}

.product-gallery__thumbs {
  display: flex;
  gap: var(--space-sm);
  overflow-x: auto;
  padding-bottom: var(--space-xs);
}

.product-gallery__thumb {
  flex-shrink: 0;
  width: 72px;
  height: 72px;
  border: 2px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  cursor: pointer;
  background: var(--color-bg-alt);
  padding: 0;
  transition: border-color var(--transition-fast);
}

.product-gallery__thumb:hover,
.product-gallery__thumb.active {
  border-color: var(--color-primary);
}

.product-gallery__thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* ─── Product Info ─── */
.product-info {
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
}

.product-info__title {
  font-size: var(--text-3xl);
  font-weight: var(--weight-bold);
  line-height: var(--leading-tight);
  color: var(--color-text);
  margin: 0;
}

.product-info__excerpt {
  font-size: var(--text-base);
  color: var(--color-text-muted);
  line-height: var(--leading-relaxed);
  margin: 0;
}

/* Price */
.product-info__price-box {
  background: var(--color-primary-light);
  border-radius: var(--radius-lg);
  padding: var(--space-md) var(--space-lg);
}

.product-info__price {
  font-size: var(--text-4xl);
  font-weight: var(--weight-extrabold);
  color: var(--color-primary);
}

/* Features */
.product-info__section-title {
  font-size: var(--text-sm);
  font-weight: var(--weight-semibold);
  color: var(--color-text);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: var(--space-sm);
}

.product-info__feature-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.product-info__feature-list li {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-size: var(--text-sm);
  color: var(--color-text);
  line-height: 1.5;
}

.product-info__feature-list li svg {
  flex-shrink: 0;
}

/* Tags */
.product-info__tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
}

.product-info__tag {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-sm) var(--space-md);
  background: var(--color-bg-alt);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  font-size: var(--text-sm);
  color: var(--color-text);
}

.product-info__tag--gift {
  background: #e8f5e9;
  border-color: #c8e6c9;
  color: #2e7d32;
}

/* CTA */
.product-info__actions {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.product-info__buy-btn {
  font-size: var(--text-base) !important;
}

/* USPs mini */
.product-info__usps {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  padding: var(--space-md);
  background: var(--color-bg-alt);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border-light);
}

.product-info__usp {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-size: var(--text-sm);
  color: var(--color-text);
}

/* ─── Product Tabs ─── */
.product-tabs-section {
  padding-bottom: var(--space-3xl);
}

.product-tabs {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  overflow: hidden;
}

.product-tabs__nav {
  display: flex;
  background: var(--color-bg-alt);
  border-bottom: 1px solid var(--color-border);
}

.product-tabs__tab {
  padding: var(--space-md) var(--space-xl);
  background: transparent;
  border: none;
  font-size: var(--text-sm);
  font-weight: var(--weight-semibold);
  color: var(--color-text-muted);
  cursor: pointer;
  position: relative;
  transition: color var(--transition-fast);
}

.product-tabs__tab:hover {
  color: var(--color-primary);
}

.product-tabs__tab.active {
  color: var(--color-primary);
  background: var(--color-bg);
}

.product-tabs__tab.active::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--color-primary);
  border-radius: 3px 3px 0 0;
}

.product-tabs__content {
  padding: var(--space-xl);
}

.product-tabs__panel {
  display: none;
}

.product-tabs__panel.active {
  display: block;
}

/* Description */
.product-desc__highlights {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
  margin-bottom: var(--space-xl);
}

.product-desc__item {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  padding: var(--space-md) var(--space-lg);
  background: var(--color-bg-alt);
  border-radius: var(--radius-md);
  font-size: var(--text-base);
  color: var(--color-text);
}

.product-desc__item svg {
  flex-shrink: 0;
}

.product-desc__text {
  font-size: var(--text-base);
  color: var(--color-text);
  line-height: var(--leading-relaxed);
  margin-bottom: var(--space-xl);
}

.product-desc__gallery {
  display: grid;
  gap: var(--space-lg);
}

.product-desc__figure {
  margin: 0;
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.product-desc__figure img {
  width: 100%;
  height: auto;
  display: block;
}

/* Specs Table */
.product-specs__table {
  width: 100%;
  border-collapse: collapse;
}

.product-specs__table tr {
  border-bottom: 1px solid var(--color-border-light);
}

.product-specs__table tr:last-child {
  border-bottom: none;
}

.product-specs__table td {
  padding: var(--space-md);
  font-size: var(--text-sm);
  vertical-align: top;
}

.product-specs__label {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-weight: var(--weight-semibold);
  color: var(--color-text);
  width: 200px;
  background: var(--color-bg-alt);
}

.product-specs__value {
  color: var(--color-text-muted);
}

/* Related Products */
.product-related {
  background: var(--color-bg-alt);
  padding: var(--space-3xl) 0;
}

/* ─── USP Section ─── */
.section--usp {
  padding: var(--space-3xl) 0;
}

.usp__heading {
  font-size: var(--text-4xl);
  font-weight: var(--weight-extrabold);
  color: var(--color-text);
  text-align: center;
  line-height: var(--leading-tight);
}

.usp__heading-brand {
  color: var(--color-primary);
  font-style: normal;
}

/* Tabs Container */
.usp-tabs {
  margin-top: var(--space-xl);
  background: var(--color-primary);
  border-radius: var(--radius-xl);
  overflow: hidden;
}

/* Tab Navigation */
.usp-tabs__nav {
  display: flex;
  align-items: center;
  gap: 0;
  padding: var(--space-md) var(--space-xl);
  border-bottom: 1px solid rgba(255, 255, 255, 0.15);
  overflow-x: auto;
  scrollbar-width: none;
  -ms-overflow-style: none;
}

.usp-tabs__nav::-webkit-scrollbar {
  display: none;
}

.usp-tabs__btn {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: 0.625rem 1.25rem;
  background: transparent;
  border: 2px solid transparent;
  border-radius: var(--radius-full);
  color: rgba(255, 255, 255, 0.75);
  font-size: var(--text-sm);
  font-weight: var(--weight-semibold);
  font-family: var(--font-body);
  white-space: nowrap;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.usp-tabs__btn:hover {
  color: #fff;
  background: rgba(255, 255, 255, 0.1);
}

.usp-tabs__btn--active {
  background: #fff;
  color: var(--color-text);
  border-color: #fff;
}

.usp-tabs__btn--active:hover {
  background: #fff;
  color: var(--color-text);
}

.usp-tabs__btn-icon {
  display: flex;
  align-items: center;
  flex-shrink: 0;
}

.usp-tabs__btn-icon svg {
  width: 18px;
  height: 18px;
}

.usp-tabs__btn-label {
  line-height: 1;
}

/* Tab Panels */
.usp-tabs__panel {
  display: none;
}

.usp-tabs__panel--active {
  display: block;
}

.usp-tabs__content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-2xl);
  padding: var(--space-2xl) var(--space-2xl);
  align-items: center;
}

.usp-tabs__text {
  color: #fff;
}

.usp-tabs__title {
  font-size: var(--text-4xl);
  font-weight: var(--weight-extrabold);
  line-height: var(--leading-tight);
  margin-bottom: var(--space-lg);
}

.usp-tabs__desc {
  font-size: var(--text-base);
  line-height: var(--leading-relaxed);
  color: rgba(255, 255, 255, 0.85);
}

.usp-tabs__image {
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}

.usp-tabs__image::before {
  content: '';
  position: absolute;
  width: 280px;
  height: 280px;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  background: rgba(255, 255, 255, 0.08);
  clip-path: polygon(50% 0%, 61% 35%, 98% 35%, 68% 57%, 79% 91%, 50% 70%, 21% 91%, 32% 57%, 2% 35%, 39% 35%);
  z-index: 0;
}

.usp-tabs__image img {
  width: 100%;
  max-width: 520px;
  height: auto;
  border-radius: var(--radius-lg);
  object-fit: cover;
  position: relative;
  z-index: 1;
}