:root {
  color-scheme: light;
  font-family:
    Inter,
    system-ui,
    -apple-system,
    BlinkMacSystemFont,
    "Segoe UI",
    sans-serif;
  color: #111827;
  background: #f8fafc;
  --bg: #f8fafc;
  --surface: #ffffff;
  --surface-strong: #eef2ff;
  --border: #e5e7eb;
  --muted: #6b7280;
  --text: #111827;
  --primary: #4338ca;
  --primary-soft: #eef2ff;
  --accent: #dc2626;
  --radius: 22px;
  --radius-sm: 12px;
  --shadow: 0 24px 80px rgba(15, 23, 42, 0.08);
}

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

html,
body {
  min-height: 100%;
  background: var(--bg);
}

body {
  line-height: 1.5;
  font-size: 16px;
}

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

button,
input,
select {
  font: inherit;
}

button {
  cursor: pointer;
}

.site-topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 18px 28px;
  background: #fff;
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 20;
}

.brand-lockup {
  display: inline-flex;
  align-items: center;
  gap: 12px;
}

.brand-logo {
  height: 48px;
  width: auto;
  object-fit: contain;
}

.brand-lockup__text strong {
  display: block;
  font-size: 1rem;
}

.brand-lockup__text small {
  color: var(--muted);
  font-size: 0.85rem;
}

.topbar-links,
.topbar-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.topbar-link,
.icon-button,
.quote-pill {
  border: 1px solid var(--border);
  border-radius: 999px;
  background: #fff;
  color: var(--text);
  padding: 0.75rem 1rem;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

.icon-button {
  width: 52px;
  height: 52px;
  justify-content: center;
}

.quote-pill {
  min-width: 62px;
  justify-content: center;
  font-weight: 700;
}

.quote-pill svg,
.icon-button svg {
  width: 24px;
  height: 24px;
}

.catalog-shell {
  padding: 0 24px 48px;
}

.hero-banner {
  position: relative;
  min-height: 360px;
  overflow: hidden;
  background-size: contain;
  background-position: center;
  background-color: #111827;
  display: grid;
  border-radius: 12px;
  align-items: end;
  margin-left: -32px;
  margin-right: -32px;
  width: calc(100% + 64px);
}

.hero-banner__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    180deg,
    rgba(15, 23, 42, 0.18) 0%,
    rgba(15, 23, 42, 0.88) 100%
  );
}

.hero-banner__content {
  position: relative;
  z-index: 1;
  padding: 36px 44px;
  max-width: 680px;
  color: #fff;
}

.hero-banner__content .eyebrow {
  display: inline-block;
  margin-bottom: 14px;
  font-size: 0.95rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: #a5b4fc;
}

.hero-banner__content h1 {
  margin: 0 0 14px;
  font-size: clamp(2rem, 4vw, 3.3rem);
  line-height: 1.05;
  font-weight: 800;
}

.hero-banner__content p {
  margin: 0;
  max-width: 46ch;
  color: rgba(255, 255, 255, 0.9);
  font-size: 1rem;
  line-height: 1.8;
}

.promo-card {
  border-radius: 28px;
  box-shadow: var(--shadow);
  overflow: hidden;
  display: flex;
  background: var(--surface);
  align-items: center;
  min-height: 220px;
}

.promo-card--accent {
  background: linear-gradient(135deg, #f8fafc 0%, #eff6ff 100%);
}

.promo-card--contrast {
  background: linear-gradient(135deg, #ffffff 0%, #f3f4f6 100%);
}

.promo-card__image {
  flex: 0 0 260px;
  min-height: 220px;
  overflow: hidden;
  background: #eef2ff;
  display: grid;
  place-items: center;
}

.promo-card__image img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.promo-card__body {
  padding: 26px 28px;
}

.promo-card__label {
  display: block;
  font-size: 1.05rem;
  font-weight: 800;
  color: #111827;
  margin-bottom: 18px;
}

.promo-card__price {
  display: flex;
  align-items: baseline;
  gap: 12px;
  margin-bottom: 16px;
}

.promo-card__price strong {
  font-size: 2rem;
  color: #dc2626;
}

.promo-card__price span {
  color: var(--text);
  font-weight: 700;
}

.promo-card__meta {
  display: inline-flex;
  border-radius: 999px;
  padding: 8px 14px;
  background: rgba(34, 197, 94, 0.12);
  color: #166534;
  font-size: 0.88rem;
  font-weight: 700;
  letter-spacing: 0.01em;
}

.category-strip {
  display: flex;
  align-items: center;
  gap: 12px;
  overflow: hidden;
  padding: 16px 0;
  margin-bottom: 28px;
  position: relative;
}

.carousel-arrow {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border: 1px solid var(--border);
  background: var(--surface);
  border-radius: 50%;
  color: var(--text);
  cursor: pointer;
  transition: background 0.2s;
  z-index: 1;
}

.carousel-arrow:hover {
  background: var(--primary-soft);
  color: var(--primary);
}

.carousel-arrow svg {
  width: 20px;
  height: 20px;
}

.category-carousel {
  flex: 1;
  overflow-x: auto;
  overflow-y: hidden;
  scrollbar-width: none;
  -ms-overflow-style: none;
  scroll-behavior: smooth;
  -webkit-overflow-scrolling: touch;
}

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

.category-list {
  display: flex;
  gap: 12px;
  padding: 4px;
}

.category-item {
  flex: 0 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  padding: 16px;
  border-radius: 16px;
  border: 2px solid var(--border);
  background: var(--surface);
  color: var(--text);
  font-size: 0.95rem;
  font-weight: 600;
  white-space: nowrap;
  cursor: pointer;
  transition: all 0.3s ease;
  min-width: 140px;
  scroll-snap-align: start;
}

.category-item:hover {
  border-color: var(--primary);
  box-shadow: 0 8px 24px rgba(67, 56, 202, 0.15);
  transform: translateY(-4px);
}

.category-item.active {
  background: linear-gradient(
    135deg,
    var(--primary-soft) 0%,
    rgba(67, 56, 202, 0.05) 100%
  );
  border-color: var(--primary);
  color: var(--primary);
  font-weight: 700;
  box-shadow: 0 8px 24px rgba(67, 56, 202, 0.2);
}

.category-image {
  width: 120px;
  height: 120px;
  object-fit: cover;
  border-radius: 12px;
  background: var(--surface-strong);
}

/* Compact Layout Styles */
.category-strip-compact {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px 0;
  margin-bottom: 24px;
  position: relative;
  border-bottom: 1px solid var(--border);
}

.category-item-compact {
  flex: 0 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  padding: 12px;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text);
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s ease;
  min-width: 110px;
  scroll-snap-align: start;
}

.category-item-compact:hover {
  border-color: var(--primary);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(67, 56, 202, 0.1);
}

.category-item-compact.active {
  background: var(--primary-soft);
  border-color: var(--primary);
  color: var(--primary);
  box-shadow: inset 0 0 0 1px var(--primary);
}

.category-image-wrapper {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background: #f1f5f9;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  border: 2px solid transparent;
  transition: all 0.3s ease;
}

.category-item-compact:hover .category-image-wrapper {
  border-color: var(--primary-soft);
  background: white;
}

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

.category-image-compact {
  width: 80%;
  height: 80%;
  object-fit: contain;
}

.catalog-toolbar-compact {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 0;
  margin-bottom: 16px;
  flex-wrap: wrap;
}

.toolbar-group-compact {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

.toolbar-select-compact {
  padding: 8px 12px;
  border-radius: 6px;
  border: 1px solid var(--border);
  background: #fff;
  color: var(--text);
  font-size: 0.9rem;
  cursor: pointer;
  transition: border-color 0.2s;
}

.toolbar-select-compact:hover,
.toolbar-select-compact:focus {
  border-color: var(--primary);
  outline: none;
}

.result-count {
  font-size: 0.9rem;
  color: var(--muted);
  font-weight: 600;
  margin-left: auto;
}

.catalog-grid-three {
  display: grid;
  grid-template-columns: 240px 1fr 300px;
  gap: 20px;
  align-items: start;
}

.catalog-sidebar-compact {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 16px;
  box-shadow: 0 2px 8px rgba(15, 23, 42, 0.04);
}

.sidebar-head-compact h2 {
  margin: 0;
  font-size: 1rem;
  font-weight: 700;
  color: var(--text);
}

.category-filter-list {
  display: grid;
  gap: 8px;
  margin-top: 12px;
}

.category-button-compact {
  width: 100%;
  border: 1px solid var(--border);
  background: #fff;
  border-radius: 6px;
  padding: 10px 12px;
  color: var(--text);
  text-align: left;
  font-weight: 600;
  font-size: 0.9rem;
  cursor: pointer;
  transition: all 0.2s;
}

.category-button-compact:hover {
  background: var(--primary-soft);
  border-color: var(--primary);
  color: var(--primary);
}

.category-button-compact.active {
  background: var(--primary-soft);
  border-color: var(--primary);
  color: var(--primary);
  font-weight: 700;
}

.catalog-main-compact {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.product-list-compact {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
}

.quote-panel-compact {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 16px;
  box-shadow: 0 2px 8px rgba(15, 23, 42, 0.04);
  position: sticky;
  top: 0;
  display: flex;
  flex-direction: column;
  gap: 12px;
  max-height: 100vh;
  overflow-y: auto;
}

.catalog-grid {
  display: flex;
  gap: 24px;
  align-items: start;
}

.catalog-sidebar,
.quote-panel {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: 0 16px 48px rgba(15, 23, 42, 0.06);
}

.catalog-sidebar {
  display: none;
  padding: 24px;
}

.sidebar-head h2 {
  margin: 0;
  font-size: 1.05rem;
}

.sidebar-head p {
  color: var(--muted);
  margin: 10px 0 0;
  line-height: 1.6;
}

.filter-group {
  margin-top: 22px;
}

.filter-group label,
.filter-group h3 {
  display: block;
  margin-bottom: 10px;
  font-size: 0.95rem;
  font-weight: 700;
}

.filter-group input,
.toolbar-select {
  width: 100%;
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 12px 14px;
  background: #fff;
  color: var(--text);
}

.category-button {
  width: 100%;
  border: 1px solid var(--border);
  background: #fff;
  border-radius: 14px;
  padding: 12px 14px;
  color: var(--text);
  text-align: left;
  font-weight: 600;
}

.category-button.active,
.category-button:hover {
  background: #eef2ff;
  border-color: #4338ca;
  color: #4338ca;
}

.catalog-main {
  display: flex;
  flex-direction: column;
  gap: 18px;
  flex: 1;
}

.catalog-toolbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 24px;
  padding: 18px 20px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: 0 2px 8px rgba(15, 23, 42, 0.04);
  flex-wrap: wrap;
}

.toolbar-group {
  display: flex;
  align-items: center;
  gap: 16px;
  flex: 1;
  flex-wrap: wrap;
}

.toolbar-label {
  color: var(--muted);
  font-weight: 600;
  font-size: 0.95rem;
  margin-right: 8px;
}

.toolbar-select {
  min-width: 140px;
  padding: 10px 12px;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: #fff;
  color: var(--text);
  font-size: 0.9rem;
  cursor: pointer;
  transition:
    border-color 0.2s,
    box-shadow 0.2s;
}

.toolbar-select:hover,
.toolbar-select:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(67, 56, 202, 0.1);
  outline: none;
}

.toolbar-meta {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
  color: var(--muted);
  padding-left: 16px;
  border-left: 1px solid var(--border);
  white-space: nowrap;
}

.toolbar-link {
  display: inline-flex;
  align-items: center;
  padding: 10px 16px;
  border-radius: 8px;
  background: var(--primary-soft);
  color: var(--primary);
  font-weight: 600;
  font-size: 0.9rem;
  cursor: pointer;
  transition: all 0.2s;
}

.toolbar-link:hover {
  background: linear-gradient(
    135deg,
    var(--primary-soft),
    rgba(67, 56, 202, 0.12)
  );
  transform: translateY(-1px);
}

.product-list {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 20px;
}

.product-row {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  padding: 16px;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: var(--surface);
  transition: all 0.3s ease;
  align-items: stretch;
}

.product-content {
  display: flex;
  gap: 20px;
  flex: 1;
  align-items: flex-start;
}

.product-media {
  width: 120px;
  height: 120px;
  border-radius: 10px;
  display: grid;
  place-items: center;
  padding: 8px;
  overflow: hidden;
  flex-shrink: 0;
  background: #f8fafc;
  border: 1px solid var(--border);
}

.product-media img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.product-copy {
  display: flex;
  flex-direction: column;
  gap: 12px;
  flex: 1;
  min-height: 160px;
}

.product-copy__title {
  display: flex;
  flex-direction: column;
  gap: 4px;
  margin-bottom: 0;
}

.product-copy__title strong {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text);
  line-height: 1.3;
}

.product-copy__title span {
  color: var(--muted);
  font-size: 0.8rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.product-copy p {
  margin: 0;
  color: var(--muted);
  font-size: 0.95rem;
  line-height: 1.6;
  overflow: visible;
}

.product-meta-row {
  display: flex;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: auto;
  padding-top: 12px;
}

.product-price {
  font-weight: 800;
  color: var(--accent);
  font-size: 1.25rem;
}

.product-stock {
  color: var(--muted);
  font-size: 0.85rem;
  font-weight: 500;
}

.product-action {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  justify-content: space-between;
  gap: 16px;
  min-width: 140px;
}

.quantity-controller {
  display: flex;
  align-items: center;
  gap: 12px;
  background: var(--surface);
  border: 1px solid var(--primary);
  border-radius: 999px;
  padding: 4px;
  min-width: 110px;
  justify-content: space-between;
}

.qty-btn {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  border: none;
  background: var(--primary-soft);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  font-size: 1.2rem;
  font-weight: 600;
  transition: all 0.2s ease;
}

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

.qty-value {
  font-weight: 700;
  color: var(--text);
  font-size: 1rem;
  min-width: 20px;
  text-align: center;
}

.product-action .btn {
  padding: 10px 12px;
  font-size: 0.85rem;
  flex-shrink: 0;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: none;
  border-radius: 16px;
  padding: 12px 18px;
  font-weight: 700;
}

.btn-primary {
  background: #4338ca;
  color: white;
}

.btn-secondary {
  background: transparent;
  border: 1px solid #4338ca;
  color: #4338ca;
}

.btn-block {
  width: 100%;
}

.btn-disabled {
  opacity: 0.55;
  pointer-events: none;
}

.quote-panel {
  position: sticky;
  top: 100px;
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.quote-panel__header h2 {
  margin: 0;
  font-size: 1.1rem;
}

.quote-panel__header p {
  margin: 8px 0 0;
  color: var(--muted);
}

.quote-items {
  display: grid;
  gap: 12px;
}

.quote-empty-message {
  border: 1px dashed var(--border);
  border-radius: 20px;
  padding: 24px;
  color: var(--muted);
  text-align: center;
  background: #fbfbff;
}

.quote-empty-message span {
  display: block;
  font-size: 0.95rem;
  font-weight: 700;
  color: #111827;
}

.quote-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 16px;
  border: 1px solid var(--border);
  border-radius: 18px;
  background: #fff;
}

.quote-item__copy strong {
  display: block;
  font-size: 0.96rem;
  margin-bottom: 4px;
}

.quote-item__copy span {
  color: var(--muted);
  font-size: 0.92rem;
}

.quote-remove {
  border: none;
  background: transparent;
  color: #dc2626;
  font-weight: 700;
}

.quote-summary {
  border-top: 1px solid var(--border);
  padding-top: 18px;
}

.summary-line {
  display: flex;
  justify-content: space-between;
  align-items: center;
  color: var(--muted);
  margin-bottom: 18px;
}

.summary-line strong {
  color: var(--text);
}

.notice {
  padding: 16px 18px;
  border-radius: 18px;
  background: #fff5f5;
  color: #991b1b;
  border: 1px solid #fecaca;
}



/* 768px Responsive - Consolidated */
@media (max-width: 768px) {
  .site-topbar {
    padding: 12px 16px;
    flex-wrap: wrap;
  }

  .brand-logo {
    height: 40px;
  }

  .topbar-links {
    display: none; /* Hide non-essential links */
  }

  .hero-banner {
    min-height: 280px;
    margin-left: -16px;
    margin-right: -16px;
    width: calc(100% + 32px);
  }

  .hero-banner__content {
    padding: 24px;
  }

  .hero-banner__content h1 {
    font-size: 2.2rem;
  }

  .promo-card {
    flex-direction: column;
    min-height: auto;
  }

  .promo-card__image {
    width: 100%;
    height: 200px;
    flex: none;
  }

  .catalog-toolbar {
    flex-direction: column;
    align-items: stretch;
    gap: 16px;
    padding: 16px;
  }

  .toolbar-group {
    flex-direction: column;
    align-items: stretch;
    width: 100%;
  }

  .toolbar-select {
    width: 100%;
  }

  .toolbar-meta {
    width: 100%;
    padding-left: 0;
    border-left: none;
    border-top: 1px solid var(--border);
    padding-top: 12px;
    justify-content: space-between;
  }

  /* Compact Layout Fixes for 768px */
  .catalog-grid-three {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .catalog-sidebar-compact {
    display: none;
  }

  .quote-panel-compact {
    position: static;
    max-height: none;
  }

  .category-strip-compact {
    padding: 10px 0;
    overflow-x: auto;
  }

  .product-list-compact {
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 1.5rem;
  }
  
  .product-row {
    flex-direction: column !important;
    gap: 20px;
    padding: 24px;
    box-shadow: var(--shadow);
    border-radius: var(--radius);
  }
  
  .product-content {
    flex-direction: column;
    gap: 20px;
    width: 100%;
  }
  
  .product-media {
    width: 100%;
    height: 240px;
    border-radius: var(--radius-sm);
  }
  
  .product-copy__title strong {
    font-size: 1.3rem;
  }
  
  .product-copy p {
    font-size: 1rem;
  }
  
  .product-action {
    width: 100%;
    justify-content: center;
    padding-top: 20px;
    border-top: 1px solid var(--border);
  }
}

/* 425px Responsive - Consolidated */
@media (max-width: 425px) {
  .site-topbar {
    justify-content: center;
    gap: 0.5rem;
  }

  .brand-lockup__text {
    display: none; /* Only logo on very small screens */
  }

  .hero-banner__content h1 {
    font-size: 1.8rem;
  }

  .hero-banner__content p {
    font-size: 0.9rem;
  }

  .category-item {
    min-width: 120px;
    padding: 12px;
  }

  .category-image {
    width: 80px;
    height: 80px;
  }

  .product-list {
    grid-template-columns: 1fr;
  }

  .product-row {
    flex-direction: column;
    gap: 16px;
    padding: 20px;
    border-radius: 16px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.08);
  }

  .product-content {
    flex-direction: column;
    gap: 16px;
    width: 100%;
  }

  .product-media {
    width: 100%;
    height: 200px;
    border-radius: 12px;
  }

  .product-copy {
    min-height: unset;
    gap: 16px;
  }

  .product-copy__title strong {
    font-size: 1.25rem;
  }

  .product-copy p {
    font-size: 1rem;
  }

  .product-action {
    flex-direction: row;
    align-items: center;
    justify-content: center;
    width: 100%;
    padding-top: 12px;
    border-top: 1px solid var(--border);
  }

  .quantity-controller {
    min-width: 120px;
  }

  /* Compact Layout Fixes for 425px */
  .category-item-compact {
    min-width: 80px;
    padding: 8px;
    font-size: 0.75rem;
  }

  .category-image-wrapper {
    width: 44px;
    height: 44px;
  }

  .product-list-compact {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }

  .quote-item {
    padding: 12px;
    flex-direction: column;
    align-items: flex-start;
  }

  .quote-remove {
    align-self: flex-end;
  }
}