:root {
  --primary-color: #1854A4;
  --primary-dark: #123F7B;
  --secondary-color: #20333b;
  --text-dark: #1f2f35;
  --text-light: #66767c;
  --border-color: #dbe4e7;
  --bg-light: #f5f8f9;
  --success-color: #48bb78;
  --danger-color: #f56565;
  --warning-color: #c59662;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family:
    -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue",
    Arial, sans-serif;
  color: var(--text-dark);
  line-height: 1.6;
}

/* Header */
.store-header {
  background: var(--primary-color);
  border-bottom: 1px solid rgba(255, 255, 255, 0.18);
  position: sticky;
  top: 0;
  z-index: 1000;
  box-shadow: 0 2px 8px rgba(18, 63, 123, 0.18);
}

.store-header .container {
  max-width: none;
  padding-left: clamp(1.5rem, 4vw, 4.5rem);
  padding-right: clamp(1.5rem, 4vw, 4.5rem);
}

.store-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.65rem 0 0.5rem;
  gap: 3rem;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
  color: white;
  font-weight: 600;
  font-size: 1.25rem;
}

.brand:hover {
  color: white;
  text-decoration: none;
}

.brand-logo {
  height: 40px;
  width: auto;
  object-fit: contain;
}

.brand-name {
  font-weight: 700;
}

.search-bar {
  position: relative;
  flex: 1;
  max-width: 920px;
}

.search-bar i {
  position: absolute;
  left: 0.85rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-light);
}

.search-bar input {
  width: 100%;
  padding: 0.75rem 1rem 0.75rem 2.45rem;
  border: 2px solid var(--border-color);
  border-radius: 50px;
  font-size: 0.95rem;
  transition: all 0.2s;
}

.search-bar input:focus {
  outline: none;
  border-color: var(--primary-color);
}

.nav-link {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  text-decoration: none;
  color: white;
  font-weight: 500;
  padding: 0.38rem 1rem;
  border-radius: 8px;
  transition: all 0.2s;
}

.nav-link:hover {
  background: rgba(255, 255, 255, 0.14);
  color: white;
  text-decoration: none;
}

/* Category Menu */
.category-menu {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  justify-content: center;
  padding: 0.45rem 0 0.6rem;
  overflow: visible;
  -webkit-overflow-scrolling: touch;
  align-items: center;
}

.category-menu::-webkit-scrollbar {
  display: none;
}

.category-item {
  padding: 0.38rem 1.25rem;
  border-radius: 50px;
  text-decoration: none;
  color: white;
  font-weight: 500;
  white-space: nowrap;
  transition: all 0.2s;
  border: 2px solid transparent;
}

.category-item:hover {
  background: rgba(255, 255, 255, 0.14);
  color: white;
  text-decoration: none;
}

.category-item.active {
  background: white;
  color: var(--primary-color);
}

.category-menu-separator {
  flex: 0 0 1px;
  width: 1px;
  height: 26px;
  margin: auto 0.35rem;
  background: rgba(255, 255, 255, 0.35);
}

.category-dropdown {
  position: relative;
  flex: 0 0 auto;
}

.category-dropdown summary {
  display: flex;
  align-items: center;
  gap: 0.45rem;
  cursor: pointer;
  list-style: none;
}

.category-dropdown summary::-webkit-details-marker {
  display: none;
}

.category-dropdown summary i {
  font-size: 0.78rem;
}

.category-submenu {
  position: absolute;
  top: calc(100% + 0.45rem);
  right: 0;
  min-width: 220px;
  padding: 0.45rem;
  background: white;
  border: 1px solid var(--border-color);
  border-radius: 8px;
  box-shadow: 0 14px 32px rgba(18, 63, 123, 0.2);
  z-index: 1010;
}

.category-submenu a {
  display: block;
  padding: 0.65rem 0.8rem;
  border-radius: 6px;
  color: var(--text-dark);
  font-weight: 600;
  text-decoration: none;
  white-space: nowrap;
}

.category-submenu a:hover,
.category-submenu a.active {
  background: var(--bg-light);
  color: var(--primary-color);
}

.store-hero {
  background:
    linear-gradient(105deg, rgba(31, 47, 53, 0.88), rgba(24, 84, 164, 0.72)),
    var(--secondary-color);
  color: white;
  position: relative;
  overflow: hidden;
}

.store-hero-carousel {
  background: var(--secondary-color);
}

.hero-carousel,
.hero-carousel-slide {
  position: absolute;
  inset: 0;
}

.hero-carousel-slide {
  background-size: cover;
  background-position: center;
  opacity: 0;
  transition: opacity 0.8s ease;
}

.hero-carousel-slide.is-active,
.hero-carousel-slide:first-child:last-child {
  opacity: 1;
}

.store-hero-inner {
  position: relative;
  z-index: 1;
}

.store-hero-inner {
  min-height: 420px;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(280px, 430px);
  gap: 3rem;
  align-items: center;
}

.store-hero-copy h1 {
  font-size: clamp(2.4rem, 6vw, 5rem);
  font-weight: 800;
  letter-spacing: 0;
  margin-bottom: 1rem;
}

.store-hero-copy p {
  max-width: 620px;
  color: rgba(255, 255, 255, 0.86);
  font-size: 1.15rem;
  margin-bottom: 1.5rem;
}

.store-hero-logo {
  background: rgba(255, 255, 255, 0.93);
  border-radius: 8px;
  padding: 2rem;
}

.store-hero-logo img {
  width: 100%;
  display: block;
}

/* Sections */
.section {
  padding: 4rem 0;
}

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

.section-title {
  font-size: 2.5rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
  color: var(--text-dark);
}

.section-subtitle {
  font-size: 1.125rem;
  color: var(--text-light);
}

/* Category Grid */
.categories-section .container {
  max-width: none;
  padding-left: clamp(1.5rem, 4vw, 4.5rem);
  padding-right: clamp(1.5rem, 4vw, 4.5rem);
}

.category-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 1.5rem;
}

.shop-category-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 2.25rem;
}

.category-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  aspect-ratio: 1 / 0.95;
  padding: 0;
  background: white;
  border: 2px solid var(--border-color);
  border-radius: 8px;
  text-decoration: none;
  color: var(--text-dark);
  transition: all 0.3s;
}

.category-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
  border-color: var(--primary-color);
}

.category-icon {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--primary-color);
  border-radius: 8px;
  color: white;
  font-size: clamp(5rem, 9vw, 8.5rem);
  margin-bottom: 0;
}

.category-icon.category-image {
  background: var(--bg-light);
  color: inherit;
  overflow: hidden;
  padding: 0;
}

.category-icon.category-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}


.category-name {
  font-size: 1.25rem;
  font-weight: 600;
  margin: 0.8rem 0 0;
  text-align: center;
}

/* Offers Banner */
.offers-banner {
  background: var(--secondary-color);
  color: white;
  padding: 2.25rem 0;
}

.offers-banner-inner {
  min-height: 180px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  background:
    linear-gradient(105deg, rgba(31, 47, 53, 0.84), rgba(24, 84, 164, 0.62)),
    var(--primary-dark);
  border-radius: 8px;
  padding: 2.25rem clamp(1.25rem, 4vw, 3rem);
}

.offers-kicker {
  display: inline-block;
  margin-bottom: 0.5rem;
  color: rgba(255, 255, 255, 0.78);
  font-size: 0.8rem;
  font-weight: 800;
  text-transform: uppercase;
}

.offers-banner h2 {
  max-width: 720px;
  margin: 0;
  color: white;
  font-size: clamp(1.8rem, 4vw, 3rem);
  font-weight: 800;
}

/* Products Grid */
.products-section {
  background: var(--bg-light);
}

.products-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  gap: 2rem;
}

.featured-products-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.product-card {
  background: transparent;
  border-radius: 8px;
  overflow: visible;
  transition: all 0.3s;
  border: 0;
}

.product-card:hover {
  transform: translateY(-2px);
}

.product-image {
  position: relative;
  width: 100%;
  padding-top: 100%;
  overflow: hidden;
  background: white;
  border: 1px solid var(--border-color);
  border-radius: 8px;
  transition: all 0.3s;
}

.product-card:hover .product-image {
  border-color: var(--primary-color);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
}

.product-image img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.product-image-link,
.product-name-link {
  color: inherit;
  text-decoration: none;
}

.product-image-link:hover,
.product-name-link:hover {
  color: inherit;
  text-decoration: none;
}

.product-image-placeholder {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #a0aec0;
  font-size: 3rem;
}

.product-info {
  padding: 0.85rem 0 0;
}

.product-name {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 0.75rem;
  color: var(--text-dark);
}

.price-label {
  color: var(--text-light);
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
}

.product-footer {
  display: flex;
  align-items: center;
  justify-content: flex-start;
  gap: 0.75rem;
}

.product-price {
  display: flex;
  flex-direction: column;
}

.price-current {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--primary-color);
}

/* Features Banner */
.features-banner {
  background: linear-gradient(105deg, #1854A4 0%, #123F7B 100%);
  color: white;
  padding: 3.25rem 0;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 2rem;
}

.feature-item {
  text-align: center;
}

.feature-icon {
  width: 68px;
  height: 68px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255, 255, 255, 0.18);
  border-radius: 50%;
  margin: 0 auto 1rem;
  font-size: 2rem;
}

.feature-title {
  font-size: 1.125rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
  color: white;
}

.feature-text {
  font-size: 0.9rem;
  opacity: 0.9;
  margin: 0;
}

/* Footer */
.store-footer {
  background: var(--text-dark);
  color: white;
  padding: 3rem 0 1.5rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 2rem;
  margin-bottom: 2rem;
}

.footer-title {
  font-size: 1.125rem;
  font-weight: 600;
  margin-bottom: 1rem;
}

.footer-text {
  color: rgba(255, 255, 255, 0.7);
  margin-bottom: 1rem;
}

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

.social-link {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 50%;
  color: white;
  text-decoration: none;
  transition: all 0.2s;
}

.social-link:hover {
  background: var(--primary-color);
  transform: scale(1.1);
}

.footer-links {
  list-style: none;
}

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

.footer-links a {
  color: rgba(255, 255, 255, 0.7);
  text-decoration: none;
  transition: all 0.2s;
}

.footer-links a:hover {
  color: white;
  padding-left: 0.5rem;
}

.footer-contact {
  list-style: none;
}

.footer-contact li {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 0.75rem;
  color: rgba(255, 255, 255, 0.7);
}

.footer-contact a {
  color: rgba(255, 255, 255, 0.7);
  text-decoration: none;
}

.footer-contact a:hover {
  color: white;
  text-decoration: none;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: 1.5rem;
  display: flex;
  justify-content: center;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
  text-align: center;
}

.footer-bottom p {
  margin: 0;
}

.catalog-page,
.product-page {
  background: white;
  min-height: 70vh;
}

.catalog-page .container {
  max-width: none;
  padding-left: clamp(1rem, 2vw, 2rem);
  padding-right: clamp(1rem, 2vw, 2rem);
}

.catalog-heading {
  background: white;
  border-bottom: 1px solid var(--border-color);
  padding: 1rem 0;
  box-shadow: 0 5px 14px rgba(31, 47, 53, 0.08);
  position: relative;
  z-index: 2;
}

.catalog-breadcrumbs {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  color: var(--text-light);
  font-size: 1.08rem;
  font-weight: 700;
}

.catalog-breadcrumbs a {
  color: var(--primary-dark);
  text-decoration: none;
}

.catalog-breadcrumbs a:hover {
  color: var(--secondary-color);
  text-decoration: none;
}

.catalog-breadcrumbs i {
  font-size: 0.85rem;
}

.catalog-heading-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
}

.catalog-heading p {
  color: var(--text-light);
  margin: 0;
  white-space: nowrap;
  font-weight: 700;
}

.breadcrumb-link {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  color: var(--primary-dark);
  font-weight: 700;
  text-decoration: none;
}

.breadcrumb-link:hover {
  color: var(--secondary-color);
  text-decoration: none;
}

.catalog-layout {
  display: grid;
  grid-template-columns: 240px minmax(0, 1fr);
  gap: 0;
  padding-top: 2rem;
  padding-bottom: 4rem;
}

.filter-sidebar {
  display: flex;
  flex-direction: column;
  gap: 0;
  align-self: start;
  border-right: 1px solid var(--border-color);
  padding-right: 1.25rem;
}

.filter-form,
.filter-category-list {
  background: transparent;
  border: 0;
  border-radius: 0;
  padding: 0;
}

.filter-category-list {
  border-top: 1px solid var(--border-color);
  margin-top: 1.25rem;
  padding-top: 1.25rem;
}

.filter-form h2,
.filter-category-list h2,
.product-info-panel h2 {
  font-size: 1rem;
  font-weight: 800;
  margin-bottom: 0.9rem;
}

.filter-form label {
  display: block;
  color: var(--text-dark);
  font-weight: 700;
  font-size: 0.86rem;
  margin: 0.75rem 0 0.3rem;
}

.filter-form input,
.filter-form select {
  width: 100%;
  border: 1px solid var(--border-color);
  border-radius: 6px;
  padding: 0.65rem 0.75rem;
  color: var(--text-dark);
  background: white;
}

.filter-clear {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  margin-top: 1rem;
  width: 100%;
  min-height: 42px;
  border: 2px solid var(--primary-color);
  border-radius: 999px;
  color: var(--primary-color);
  background: white;
  font-weight: 700;
  text-decoration: none;
  transition: all 0.2s;
}

.filter-clear:hover {
  background: var(--primary-color);
  color: white;
  text-decoration: none;
}

.filter-category-list a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  color: var(--text-dark);
  text-decoration: none;
  padding: 0.55rem 0;
}

.filter-category-list a.active {
  color: var(--primary-dark);
  font-weight: 800;
}

.filter-category-list small {
  color: var(--text-light);
}

.filter-separator {
  height: 1px;
  background: var(--border-color);
  margin: 0.45rem 0;
}

.catalog-results .products-grid {
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: 1.5rem;
  padding-left: 1.5rem;
}

.catalog-loading-overlay {
  position: fixed;
  inset: 0;
  z-index: 1200;
  display: grid;
  place-items: center;
  background: rgba(31, 47, 53, 0.28);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.18s ease;
}

.catalog-loading-overlay.is-visible {
  opacity: 1;
  pointer-events: auto;
}

.catalog-loading-box {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  background: white;
  color: var(--text-dark);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 1rem 1.25rem;
  font-weight: 800;
  box-shadow: 0 18px 50px rgba(31, 47, 53, 0.22);
}

.catalog-spinner {
  width: 28px;
  height: 28px;
  border: 3px solid var(--border-color);
  border-top-color: var(--primary-color);
  border-radius: 50%;
  animation: catalog-spin 0.8s linear infinite;
}

@keyframes catalog-spin {
  to {
    transform: rotate(360deg);
  }
}

.empty-state {
  grid-column: 1 / -1;
  background: white;
  border: 1px solid var(--border-color);
  border-radius: 8px;
  min-height: 180px;
  display: grid;
  place-items: center;
  text-align: center;
  color: var(--text-light);
  padding: 2rem;
}

.empty-state i {
  font-size: 2.5rem;
  color: var(--primary-color);
}

.product-page {
  padding: 1.5rem 0 4rem;
  background: white;
}

.product-page .container {
  max-width: none;
  padding-left: clamp(1rem, 2vw, 2rem);
  padding-right: clamp(1rem, 2vw, 2rem);
}

.product-breadcrumbs {
  margin-bottom: 1rem;
}

.product-detail {
  display: grid;
  grid-template-columns: minmax(360px, 0.9fr) minmax(360px, 1.1fr);
  gap: 0;
}

.product-gallery,
.product-summary {
  background: transparent;
  border: 0;
  border-radius: 0;
  padding: 0;
}

.product-gallery {
  padding-right: 1.5rem;
}

.product-gallery-sticky {
  align-self: start;
  position: sticky;
  top: 128px;
}

.product-summary {
  border-left: 1px solid var(--border-color);
  padding-left: 1.5rem;
}

.product-carousel {
  background: var(--bg-light);
  border-radius: 8px;
  overflow: hidden;
  max-width: min(100%, 720px);
  margin: 0 auto;
}

.product-carousel .carousel-item {
  aspect-ratio: 4 / 3;
  max-height: 54vh;
}

.product-carousel .carousel-item img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  background: white;
}

.product-detail-placeholder {
  width: 100%;
  height: 100%;
  min-height: 420px;
}

.gallery-thumbs {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(104px, 1fr));
  gap: 0.75rem;
  max-width: min(100%, 720px);
  margin: 1rem auto 0;
}

.gallery-thumbs button {
  border: 2px solid transparent;
  border-radius: 6px;
  padding: 0;
  background: white;
  overflow: hidden;
  aspect-ratio: 1;
  cursor: pointer;
  transition:
    border-color 0.18s ease,
    box-shadow 0.18s ease;
}

.gallery-thumbs button.active,
.gallery-thumbs button:hover,
.gallery-thumbs button:focus-visible {
  border-color: var(--primary-color);
  box-shadow: 0 0 0 2px rgba(24, 84, 164, 0.14);
  outline: none;
}

.gallery-thumbs img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.product-summary h1 {
  font-size: clamp(2rem, 4vw, 3.2rem);
  font-weight: 800;
  margin: 0 0 0.35rem;
}

.product-model,
.product-short-info {
  color: var(--text-light);
}

.product-summary-price {
  margin: 1.25rem 0;
  display: grid;
}

.product-summary-price span {
  color: var(--text-light);
  font-weight: 800;
  text-transform: uppercase;
  font-size: 0.8rem;
}

.product-summary-price strong {
  color: var(--primary-dark);
  font-size: 2.2rem;
  line-height: 1.1;
}

.presentation-selector {
  position: relative;
  margin: 1.25rem 0 0.65rem;
}

.presentation-selector-toggle {
  width: 100%;
  min-height: 54px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  border: 1px solid var(--border-color);
  border-radius: 8px;
  background: white;
  color: var(--text-dark);
  padding: 0.8rem 1rem;
  font-weight: 700;
  text-align: left;
  cursor: pointer;
}

.presentation-selector-toggle strong {
  color: var(--text-dark);
  font-weight: 900;
}

.presentation-static {
  width: 100%;
  min-height: 54px;
  display: flex;
  align-items: center;
  gap: 0.45rem;
  color: var(--text-dark);
  padding: 0.8rem 0;
  font-weight: 700;
}

.presentation-static strong {
  color: var(--text-dark);
  font-weight: 900;
}

.presentation-options {
  position: absolute;
  top: calc(100% + 0.45rem);
  left: 0;
  right: 0;
  z-index: 20;
  display: grid;
  gap: 0.35rem;
  padding: 0.45rem;
  background: white;
  border: 1px solid var(--border-color);
  border-radius: 8px;
  box-shadow: 0 16px 36px rgba(31, 47, 53, 0.16);
}

.presentation-option {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  width: 100%;
  border: 0;
  border-radius: 6px;
  background: transparent;
  color: var(--text-dark);
  padding: 0.75rem;
  text-align: left;
  cursor: pointer;
}

.presentation-option:hover,
.presentation-option.active {
  background: var(--bg-light);
}

.presentation-option span {
  font-weight: 800;
}

.presentation-option strong {
  color: var(--primary-dark);
  white-space: nowrap;
}

.product-info-panel {
  border-top: 1px solid var(--border-color);
  margin-top: 1.2rem;
  padding-top: 1.2rem;
}

.material-select-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.85rem;
}

.material-select-grid label {
  display: grid;
  gap: 0.35rem;
  margin: 0;
}

.material-select-grid span {
  color: var(--text-dark);
  font-size: 0.84rem;
  font-weight: 800;
}

.material-select-grid select {
  width: 100%;
  border: 1px solid var(--border-color);
  border-radius: 8px;
  background: white;
  color: var(--text-dark);
  padding: 0.7rem 0.75rem;
}

.footer-social-links {
  margin-top: 1rem;
}

.footer-social-links .social-link {
  width: 34px;
  height: 34px;
  font-size: 0.95rem;
}

.legal-page {
  background: var(--bg-light);
  min-height: 60vh;
  padding: 3rem 0;
}

.legal-content {
  background: white;
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 2rem;
}

.legal-content h1 {
  font-size: clamp(2rem, 4vw, 3.2rem);
  font-weight: 800;
  margin: 1rem 0;
}

.legal-content p {
  color: var(--text-light);
  margin: 0;
}

/* Buttons */
.btn {
  padding: 0.75rem 1.5rem;
  border-radius: 50px;
  font-weight: 600;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  transition: all 0.2s;
  border: 2px solid transparent;
  cursor: pointer;
}

.btn-primary {
  background: var(--primary-color);
  color: white;
}

.btn-primary:hover {
  background: var(--primary-dark);
  transform: translateY(-2px);
  box-shadow: 0 5px 15px rgba(102, 126, 234, 0.4);
  color: white;
}

.btn-outline-light {
  background: transparent;
  color: white;
  border-color: white;
}

.btn-outline-light:hover {
  background: white;
  color: var(--primary-color);
}

.btn-lg {
  padding: 1rem 2rem;
  font-size: 1.125rem;
}

@media (max-width: 1200px) {
  .catalog-results .products-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

/* Responsive */
@media (max-width: 768px) {
  .store-nav {
    flex-wrap: wrap;
  }

  .nav-center {
    order: 3;
    width: 100%;
    margin-top: 1rem;
  }

  .search-bar {
    max-width: none;
  }

  .section-title {
    font-size: 1.75rem;
  }

  .products-grid {
    grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
    gap: 1rem;
  }

  .featured-products-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .catalog-results .products-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .offers-banner-inner {
    min-height: 150px;
    align-items: flex-start;
    flex-direction: column;
  }

  .shop-category-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1.25rem;
  }

  .category-card {
    aspect-ratio: 1 / 0.9;
  }

  .category-icon {
    font-size: clamp(3rem, 18vw, 5rem);
  }

  .store-hero-inner,
  .catalog-layout,
  .product-detail {
    grid-template-columns: 1fr;
  }

  .product-gallery-sticky {
    position: static;
  }

  .product-gallery {
    padding-right: 0;
  }

  .product-summary {
    border-left: 0;
    border-top: 1px solid var(--border-color);
    margin-top: 1.5rem;
    padding-left: 0;
    padding-top: 1.5rem;
  }

  .product-carousel .carousel-item {
    max-height: none;
  }

  .gallery-thumbs {
    grid-template-columns: repeat(auto-fill, minmax(86px, 1fr));
  }

  .material-select-grid {
    grid-template-columns: 1fr;
  }

  .filter-sidebar {
    border-right: 0;
    border-bottom: 1px solid var(--border-color);
    padding-right: 0;
    padding-bottom: 1.5rem;
  }

  .catalog-results .products-grid {
    padding-left: 0;
  }

  .store-hero-inner {
    min-height: auto;
    padding-top: 3rem;
    padding-bottom: 3rem;
  }

  .store-hero-logo {
    display: none;
  }

  .filter-sidebar {
    position: static;
  }

  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }

  .catalog-heading-row {
    align-items: flex-start;
    flex-direction: column;
    gap: 0.5rem;
  }

  .catalog-heading p {
    white-space: normal;
  }
}