:root {
  --color-white: #ffffff;
  --color-bg: #f7f7f8;
  --color-bg-alt: #f1f3f5;
  --color-text: #111111;
  --color-text-muted: #555555;
  --color-accent: #2563eb;
  --color-border: rgba(17, 17, 17, 0.08);
  --shadow-sm: 0 4px 24px rgba(17, 17, 17, 0.06);
  --shadow-md: 0 12px 40px rgba(17, 17, 17, 0.1);
  --radius-lg: 20px;
  --radius-md: 14px;
  --radius-sm: 10px;
  --max-width: 1440px;
  --header-h: 72px;
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --font: system-ui, -apple-system, "Segoe UI", "Noto Sans TC", sans-serif;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font);
  color: var(--color-text);
  background: var(--color-white);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  color: inherit;
  text-decoration: none;
}

.skip-link {
  position: absolute;
  left: -999px;
  top: 0;
  z-index: 9999;
  padding: 0.75rem 1rem;
  background: var(--color-accent);
  color: #fff;
}

.skip-link:focus {
  left: 1rem;
  top: 1rem;
}

.container-narrow {
  width: min(100% - 2.5rem, var(--max-width));
  margin-inline: auto;
}

.section-pad {
  padding: 4.5rem 0;
}

.section-pad-sm {
  padding: 2.5rem 0;
}

.section-bg {
  background: var(--color-bg);
}

/* Header */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: var(--header-h);
  transition: background var(--transition), box-shadow var(--transition), backdrop-filter var(--transition);
}

.site-header.is-scrolled {
  background: rgba(255, 255, 255, 0.82);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: 0 1px 0 var(--color-border);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1.25rem;
  gap: 1rem;
}

.header-left,
.header-right {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.logo {
  font-size: 1.35rem;
  font-weight: 700;
  letter-spacing: 0.04em;
}

.logo-case {
  color: var(--color-text);
}

.logo-lab {
  color: var(--color-accent);
}

.header-nav {
  gap: 1.75rem;
  align-items: center;
}

.header-nav a {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  transition: color 0.2s;
}

.header-nav a:hover {
  color: var(--color-text);
}

.header-search form {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  background: var(--color-bg);
  border-radius: 999px;
  padding: 0.45rem 1rem;
  min-width: 200px;
}

.header-search i {
  color: var(--color-text-muted);
  font-size: 0.95rem;
}

.header-search input {
  border: none;
  background: transparent;
  outline: none;
  font-size: 0.875rem;
  width: 100%;
}

.header-icon-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border: none;
  background: transparent;
  border-radius: 50%;
  color: var(--color-text);
  font-size: 1.15rem;
  cursor: pointer;
  transition: background 0.2s;
  position: relative;
}

.header-icon-btn:hover {
  background: var(--color-bg);
}

.header-cart .cart-badge {
  position: absolute;
  top: 6px;
  right: 4px;
  min-width: 18px;
  height: 18px;
  padding: 0 5px;
  font-size: 0.65rem;
  font-weight: 600;
  line-height: 18px;
  text-align: center;
  background: var(--color-accent);
  color: #fff;
  border-radius: 999px;
}

.mobile-search-panel {
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  padding: 0.75rem 1.25rem;
  background: var(--color-white);
  border-bottom: 1px solid var(--color-border);
}

.mobile-search-panel form {
  display: flex;
  gap: 0.5rem;
}

.mobile-search-panel input {
  flex: 1;
  min-height: 44px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border);
  padding: 0 1rem;
}

.mobile-drawer-overlay {
  position: fixed;
  inset: 0;
  background: rgba(17, 17, 17, 0.35);
  z-index: 1001;
}

.mobile-drawer {
  position: fixed;
  top: 0;
  right: 0;
  width: min(320px, 88vw);
  height: 100%;
  background: var(--color-white);
  z-index: 1002;
  transform: translateX(100%);
  transition: transform var(--transition);
  padding: 1.25rem;
  box-shadow: var(--shadow-md);
}

.mobile-drawer.is-open {
  transform: translateX(0);
}

.mobile-drawer__head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 2rem;
}

.mobile-drawer__nav {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.mobile-drawer__nav a {
  padding: 0.85rem 0;
  font-size: 1.05rem;
  border-bottom: 1px solid var(--color-border);
}

main {
  padding-top: var(--header-h);
}

/* Buttons */
.btn {
  border-radius: 999px;
  font-weight: 500;
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.35rem;
  padding: 0.65rem 1.35rem;
  transition: transform 0.2s, box-shadow 0.2s, background 0.2s;
}

.btn-primary {
  --bs-btn-bg: var(--color-accent);
  --bs-btn-border-color: var(--color-accent);
  --bs-btn-hover-bg: #1d4ed8;
  --bs-btn-hover-border-color: #1d4ed8;
}

.btn-hero {
  padding: 0.85rem 1.75rem;
  font-size: 1rem;
}

.btn-outline-dark {
  --bs-btn-border-color: rgba(17, 17, 17, 0.2);
}

.btn-icon {
  width: 52px;
  padding: 0;
}

/* Hero */
.hero-slider {
  position: relative;
  background: var(--color-bg);
  min-height: 520px;
  overflow: hidden;
}

.hero-slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.6s ease, visibility 0.6s;
  display: flex;
  align-items: center;
}

.hero-slide.is-active {
  position: relative;
  opacity: 1;
  visibility: visible;
}

.hero-slide__grid {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: 2rem;
  align-items: center;
  padding: 3rem 0;
}

.hero-eyebrow {
  font-size: 0.75rem;
  letter-spacing: 0.2em;
  color: var(--color-text-muted);
  margin-bottom: 1rem;
}

.hero-title {
  font-size: clamp(2rem, 4vw, 3.25rem);
  font-weight: 600;
  line-height: 1.15;
  margin: 0 0 1rem;
  letter-spacing: -0.02em;
}

.hero-desc {
  color: var(--color-text-muted);
  font-size: 1.05rem;
  margin-bottom: 1.75rem;
}

.hero-slide__visual img {
  width: 100%;
  max-height: 420px;
  object-fit: contain;
  margin-left: auto;
}

.hero-nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 48px;
  height: 48px;
  border: none;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.9);
  box-shadow: var(--shadow-sm);
  z-index: 2;
  cursor: pointer;
  transition: background 0.2s;
}

.hero-nav:hover {
  background: #fff;
}

.hero-nav--prev {
  left: 1rem;
}

.hero-nav--next {
  right: 1rem;
}

.hero-dots {
  position: absolute;
  bottom: 1.5rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 0.5rem;
  z-index: 2;
}

.hero-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  border: none;
  padding: 0;
  background: rgba(17, 17, 17, 0.2);
  cursor: pointer;
  transition: transform 0.2s, background 0.2s;
}

.hero-dot.is-active {
  background: var(--color-accent);
  transform: scale(1.2);
}

/* Categories */
.category-scroll {
  display: flex;
  gap: 0.75rem;
  overflow-x: auto;
  padding-bottom: 0.5rem;
  scroll-snap-type: x mandatory;
  -webkit-overflow-scrolling: touch;
}

.category-scroll::-webkit-scrollbar {
  height: 4px;
}

.category-scroll::-webkit-scrollbar-thumb {
  background: var(--color-border);
  border-radius: 4px;
}

.category-pill {
  flex: 0 0 calc(10% - 0.675rem);
  min-width: 100px;
  scroll-snap-align: start;
  text-align: center;
  padding: 1.25rem 0.75rem;
  border-radius: var(--radius-md);
  background: var(--color-white);
  transition: background var(--transition), transform var(--transition);
}

.category-pill:hover {
  background: var(--color-bg-alt);
}

.category-pill:hover .category-pill__img img {
  transform: scale(1.08);
}

.category-pill__img {
  display: flex;
  justify-content: center;
  margin-bottom: 0.75rem;
  overflow: hidden;
  border-radius: var(--radius-sm);
}

.category-pill__img img {
  transition: transform var(--transition);
}

.category-pill__name {
  font-size: 0.8rem;
  color: var(--color-text-muted);
}

/* Feature cards */
.feature-cards__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
}

.feature-card {
  display: block;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--color-bg);
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition), box-shadow var(--transition);
}

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

.feature-card__media {
  aspect-ratio: 16 / 10;
  background: var(--color-bg-alt);
}

.feature-card__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.feature-card__body {
  padding: 1.5rem 1.75rem 1.75rem;
}

.feature-card__title {
  font-size: 1.35rem;
  margin: 0 0 0.35rem;
  font-weight: 600;
}

.feature-card__subtitle {
  color: var(--color-text-muted);
  margin: 0 0 1rem;
  font-size: 0.95rem;
}

.feature-card__cta {
  color: var(--color-accent);
  font-size: 0.9rem;
  font-weight: 500;
}

/* Section head */
.section-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  margin-bottom: 2rem;
  gap: 1rem;
}

.section-title {
  font-size: clamp(1.5rem, 2.5vw, 2rem);
  font-weight: 600;
  margin: 0;
  letter-spacing: -0.02em;
}

.section-link {
  color: var(--color-text-muted);
  font-size: 0.95rem;
  white-space: nowrap;
  transition: color 0.2s;
}

.section-link:hover {
  color: var(--color-accent);
}

/* Product grid */
.product-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
}

.product-grid--4 {
  grid-template-columns: repeat(4, 1fr);
}

.product-card {
  background: var(--color-white);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.product-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-md);
}

.product-card__media {
  position: relative;
  background: var(--color-bg);
  aspect-ratio: 1;
  overflow: hidden;
}

.product-card__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.32s ease;
}

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

.product-card__badge {
  position: absolute;
  top: 12px;
  left: 12px;
  z-index: 1;
  font-size: 0.7rem;
  font-weight: 600;
  padding: 0.25rem 0.6rem;
  border-radius: 999px;
  background: var(--color-text);
  color: #fff;
}

.product-card__wishlist {
  position: absolute;
  top: 8px;
  right: 8px;
  z-index: 1;
  width: 40px;
  height: 40px;
  border: none;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.92);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.2s;
}

.product-card__wishlist.is-active,
.product-card__wishlist.is-active i {
  color: #e11d48;
}

.product-card__link {
  display: block;
  height: 100%;
}

.product-card__body {
  padding: 1rem 0.25rem 0.5rem;
}

.product-card__title {
  font-size: 0.95rem;
  font-weight: 500;
  margin: 0 0 0.35rem;
  line-height: 1.4;
}

.product-card__price {
  font-size: 1rem;
  font-weight: 600;
  margin: 0 0 0.25rem;
}

.product-card__meta {
  font-size: 0.8rem;
  color: var(--color-text-muted);
}

.product-card__stars {
  color: #f59e0b;
  letter-spacing: 0.05em;
}

/* New arrivals */
.new-arrivals__layout {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 1.5rem;
  align-items: stretch;
}

.new-spotlight {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  min-height: 420px;
  background: var(--color-bg-alt);
}

.new-spotlight img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.new-spotlight:hover img {
  transform: scale(1.03);
}

.new-spotlight__overlay {
  position: absolute;
  inset: auto 0 0 0;
  padding: 2rem;
  background: linear-gradient(transparent, rgba(17, 17, 17, 0.55));
  color: #fff;
}

.new-spotlight__label {
  font-size: 0.7rem;
  letter-spacing: 0.15em;
  opacity: 0.9;
}

.new-spotlight__overlay h3 {
  margin: 0.35rem 0;
  font-size: 1.5rem;
}

.new-arrivals__list {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.new-row-item {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1rem 1.25rem;
  background: var(--color-bg);
  border-radius: var(--radius-md);
  transition: background 0.25s;
}

.new-row-item:hover {
  background: var(--color-bg-alt);
}

.new-row-item img {
  width: 72px;
  height: 72px;
  border-radius: var(--radius-sm);
  object-fit: cover;
  background: var(--color-white);
}

.new-row-item h3 {
  margin: 0;
  font-size: 0.95rem;
  font-weight: 500;
}

.new-row-item p {
  margin: 0.15rem 0 0;
  font-weight: 600;
  font-size: 0.9rem;
}

.new-row-item i {
  margin-left: auto;
  color: var(--color-text-muted);
}

/* Benefits */
.benefits-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
}

.benefit-item {
  text-align: center;
  padding: 1.5rem 1rem;
}

.benefit-item i {
  font-size: 1.75rem;
  color: var(--color-accent);
  margin-bottom: 1rem;
  display: block;
}

.benefit-item h3 {
  font-size: 1.05rem;
  margin: 0 0 0.5rem;
}

.benefit-item p {
  margin: 0;
  color: var(--color-text-muted);
  font-size: 0.9rem;
}

/* Brand story */
.brand-story__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
}

.brand-story__media img {
  border-radius: var(--radius-lg);
  width: 100%;
}

.brand-story__eyebrow {
  font-weight: 700;
  letter-spacing: 0.08em;
  margin-bottom: 0.5rem;
}

.brand-story__title {
  font-size: clamp(1.5rem, 3vw, 2.25rem);
  letter-spacing: 0.02em;
  margin: 0 0 1.25rem;
  font-weight: 600;
}

.brand-story__text {
  color: var(--color-text-muted);
  font-size: 1.05rem;
  margin-bottom: 1.75rem;
}

/* Testimonials */
.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
}

.testimonial-card {
  margin: 0;
  padding: 1.75rem;
  background: var(--color-white);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
}

.testimonial-stars {
  color: #f59e0b;
  margin-bottom: 0.75rem;
  font-size: 0.85rem;
}

.testimonial-card p {
  margin: 0 0 1rem;
  color: var(--color-text-muted);
}

.testimonial-card cite {
  font-style: normal;
  font-weight: 600;
  display: block;
}

.testimonial-product {
  display: block;
  font-size: 0.8rem;
  color: var(--color-text-muted);
  margin-top: 0.25rem;
}

/* FAQ accordion */
.faq-accordion .accordion-item {
  border: none;
  border-bottom: 1px solid var(--color-border);
  background: transparent;
}

.faq-accordion .accordion-button {
  background: transparent;
  box-shadow: none;
  font-weight: 500;
  padding: 1.25rem 0;
  font-size: 1rem;
}

.faq-accordion .accordion-button:not(.collapsed) {
  color: var(--color-text);
}

.faq-accordion .accordion-body {
  padding: 0 0 1.25rem;
  color: var(--color-text-muted);
}

.container-faq {
  max-width: 720px;
}

/* Newsletter */
.newsletter {
  background: var(--color-text);
  color: #fff;
}

.newsletter__inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
}

.newsletter__title {
  margin: 0 0 0.35rem;
  font-size: 1.35rem;
}

.newsletter__desc {
  margin: 0;
  opacity: 0.75;
  font-size: 0.95rem;
}

.newsletter__form {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  flex: 1;
  min-width: 280px;
  max-width: 480px;
}

.newsletter__form input {
  flex: 1;
  min-width: 180px;
  min-height: 48px;
  border: none;
  border-radius: 999px;
  padding: 0 1.25rem;
}

.newsletter__form .btn-primary {
  min-height: 48px;
}

/* Footer */
.site-footer {
  background: var(--color-bg);
  padding: 3.5rem 0 2rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr repeat(3, 1fr);
  gap: 2rem;
  margin-bottom: 2.5rem;
}

.footer-tagline {
  color: var(--color-text-muted);
  font-size: 0.9rem;
  margin-top: 0.75rem;
}

.footer-col h3 {
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 1rem;
}

.footer-col ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.footer-col li {
  margin-bottom: 0.5rem;
}

.footer-col a {
  color: var(--color-text-muted);
  font-size: 0.9rem;
}

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

.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding-top: 2rem;
  border-top: 1px solid var(--color-border);
}

.footer-social {
  display: flex;
  gap: 0.75rem;
}

.footer-social a {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: var(--color-white);
  color: var(--color-text);
  transition: color 0.2s;
}

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

.footer-social-line span {
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.02em;
}

.footer-copy {
  margin: 0;
  font-size: 0.85rem;
  color: var(--color-text-muted);
}

/* Page hero */
.page-hero {
  padding: 3rem 0 2rem;
  background: var(--color-bg);
}

.page-hero--compact {
  padding: 2.5rem 0 1.5rem;
}

.page-title {
  font-size: clamp(1.75rem, 3vw, 2.5rem);
  margin: 0;
  font-weight: 600;
}

.page-subtitle,
.page-lead {
  color: var(--color-text-muted);
  margin: 0.5rem 0 0;
}

.page-eyebrow {
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--color-accent);
}

/* Shop */
.shop-layout {
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 2.5rem;
}

.shop-filter__title {
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 1rem;
}

.filter-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.filter-link {
  display: block;
  padding: 0.5rem 0;
  color: var(--color-text-muted);
  font-size: 0.95rem;
}

.filter-link.is-active,
.filter-link:hover {
  color: var(--color-accent);
}

.shop-toolbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1.5rem;
  gap: 1rem;
}

.shop-sort {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-left: auto;
}

.shop-sort label {
  font-size: 0.85rem;
  color: var(--color-text-muted);
}

.shop-sort select {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: 0.5rem 0.75rem;
  min-height: 44px;
  background: var(--color-white);
}

.filter-drawer,
.filter-drawer-overlay {
  display: none;
}

.empty-state {
  text-align: center;
  padding: 4rem 1rem;
  color: var(--color-text-muted);
}

/* Product detail */
.breadcrumb-nav {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  margin-bottom: 2rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
}

.product-detail__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: start;
}

.product-gallery__main {
  background: var(--color-bg);
  border-radius: var(--radius-lg);
  aspect-ratio: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem;
}

.product-gallery__main img {
  max-height: 100%;
  object-fit: contain;
}

.product-info__title {
  font-size: clamp(1.5rem, 2.5vw, 2rem);
  margin: 0 0 0.75rem;
  font-weight: 600;
}

.product-info__rating {
  color: var(--color-text-muted);
  font-size: 0.9rem;
  margin-bottom: 1rem;
}

.product-info__rating .stars {
  color: #f59e0b;
  margin-right: 0.35rem;
}

.product-info__price {
  font-size: 1.5rem;
  font-weight: 600;
  margin: 0 0 1rem;
}

.product-info__desc {
  color: var(--color-text-muted);
  margin-bottom: 1.5rem;
}

.product-option {
  margin-bottom: 1.25rem;
}

.product-option__label {
  display: block;
  font-size: 0.85rem;
  font-weight: 500;
  margin-bottom: 0.5rem;
}

.product-option__value {
  margin: 0;
  color: var(--color-text-muted);
  font-size: 0.95rem;
}

.product-select {
  max-width: 320px;
  min-height: 44px;
  border-radius: var(--radius-sm);
}

.qty-control {
  display: inline-flex;
  align-items: center;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  overflow: hidden;
}

.qty-btn {
  width: 44px;
  height: 44px;
  border: none;
  background: var(--color-bg);
  cursor: pointer;
  font-size: 1.1rem;
}

.qty-input {
  width: 52px;
  height: 44px;
  border: none;
  text-align: center;
  font-size: 1rem;
  -moz-appearance: textfield;
}

.qty-input::-webkit-outer-spin-button,
.qty-input::-webkit-inner-spin-button {
  -webkit-appearance: none;
  margin: 0;
}

.product-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.5rem;
}

.product-actions .btn-lg {
  flex: 1;
  min-width: 140px;
}

.product-tab-nav {
  border-bottom-color: var(--color-border);
}

.product-tab-nav .nav-link {
  color: var(--color-text-muted);
  border: none;
  padding: 0.75rem 1.25rem;
}

.product-tab-nav .nav-link.active {
  color: var(--color-text);
  border-bottom: 2px solid var(--color-text);
  background: transparent;
}

.product-tab-content {
  padding: 1.5rem 0;
  color: var(--color-text-muted);
}

.spec-list {
  display: grid;
  grid-template-columns: 120px 1fr;
  gap: 0.5rem 1rem;
}

.spec-list dt {
  font-weight: 500;
  color: var(--color-text);
}

.related-products {
  margin-top: 3rem;
  padding-top: 2rem;
  border-top: 1px solid var(--color-border);
}

/* Cart */
.cart-layout {
  display: grid;
  grid-template-columns: 1fr 340px;
  gap: 2rem;
  align-items: start;
}

.cart-table__head {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr 40px;
  gap: 1rem;
  padding: 0 0 0.75rem;
  font-size: 0.8rem;
  color: var(--color-text-muted);
  border-bottom: 1px solid var(--color-border);
}

.cart-item {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr 40px;
  gap: 1rem;
  align-items: center;
  padding: 1.25rem 0;
  border-bottom: 1px solid var(--color-border);
}

.cart-item__product {
  display: flex;
  gap: 1rem;
  align-items: center;
}

.cart-item__img {
  width: 80px;
  height: 80px;
  border-radius: var(--radius-sm);
  object-fit: cover;
  background: var(--color-bg);
}

.cart-item__name {
  margin: 0;
  font-size: 0.95rem;
  font-weight: 500;
}

.cart-item__spec {
  margin: 0.25rem 0 0;
  font-size: 0.8rem;
  color: var(--color-text-muted);
}

.cart-item__remove {
  border: none;
  background: transparent;
  color: var(--color-text-muted);
  cursor: pointer;
  width: 44px;
  height: 44px;
}

.cart-summary {
  position: sticky;
  top: calc(var(--header-h) + 1rem);
  padding: 1.75rem;
  background: var(--color-bg);
  border-radius: var(--radius-lg);
}

.cart-summary h2 {
  font-size: 1.15rem;
  margin: 0 0 1.25rem;
}

.summary-lines div {
  display: flex;
  justify-content: space-between;
  margin-bottom: 0.65rem;
  font-size: 0.9rem;
  color: var(--color-text-muted);
}

.summary-lines dd {
  margin: 0;
  color: var(--color-text);
}

.summary-total {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 0;
  margin: 0.5rem 0 1.25rem;
  border-top: 1px solid var(--color-border);
  font-size: 1.05rem;
}

.cart-note {
  font-size: 0.75rem;
  color: var(--color-text-muted);
  text-align: center;
  margin: 1rem 0 0;
}

.qty-control--sm .qty-btn,
.qty-control--sm .qty-input {
  height: 40px;
}

/* About & contact */
.about-grid,
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: start;
}

.about-image {
  border-radius: var(--radius-lg);
  width: 100%;
}

.prose h2 {
  font-size: 1.35rem;
  margin-bottom: 0.75rem;
}

.contact-form .form-control {
  min-height: 44px;
  border-radius: var(--radius-sm);
  border-color: var(--color-border);
}

.contact-aside h2 {
  font-size: 1.15rem;
}

.contact-aside p {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--color-text-muted);
}

.contact-alert {
  grid-column: 1 / -1;
}

/* Multilingual switcher — additive UI for the existing header */
.language-switcher {
  position: relative;
  flex: 0 0 auto;
}

.language-switcher summary {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.35rem;
  min-width: 86px;
  height: 44px;
  padding: 0 0.65rem;
  border-radius: 999px;
  color: var(--color-text);
  font-size: 0.78rem;
  cursor: pointer;
  list-style: none;
  user-select: none;
}

.language-switcher__label {
  white-space: nowrap;
}

.language-switcher__chevron {
  font-size: 0.65rem;
  transition: transform var(--transition);
}

.language-switcher[open] .language-switcher__chevron {
  transform: rotate(180deg);
}

.language-switcher summary::-webkit-details-marker {
  display: none;
}

.language-switcher summary:hover,
.language-switcher[open] summary {
  background: var(--color-bg);
}

.language-switcher__menu {
  position: absolute;
  top: calc(100% + 0.45rem);
  right: 0;
  z-index: 1010;
  width: 150px;
  padding: 0.45rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: var(--color-white);
  box-shadow: 0 12px 30px rgba(17, 17, 17, 0.12);
}

.language-switcher__menu a {
  display: block;
  padding: 0.6rem 0.75rem;
  border-radius: 6px;
  color: var(--color-text);
  font-size: 0.85rem;
  text-decoration: none;
}

.language-switcher__menu a:hover,
.language-switcher__menu a[aria-current="true"] {
  background: var(--color-bg);
  color: var(--color-primary);
}