/* Catálogo — Layout, Sidebar, Shell */

:root {
  --sidebar-width: 220px;
  --header-height: 70px;
  --content-max: 1440px;
  --catalog-content-gutter: clamp(1rem, 1.5vw, 1.5rem);
}

/* Scrollbar (catalog only) */
::-webkit-scrollbar {
  width: 8px;
}

::-webkit-scrollbar-track {
  background: transparent;
}

::-webkit-scrollbar-thumb {
  background: var(--border-strong);
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--brand-orange);
}

/* Loading Overlay */
#loading-overlay {
  position: fixed;
  inset: 0;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 10000;
  transition: opacity 0.2s ease, visibility 0.2s ease;
}

.loader-forklift-wrap {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.9rem;
}

.loader-forklift {
  width: 100px;
  height: auto;
  opacity: 0.92;
}

.loader-forks {
  animation: forkLift 2s cubic-bezier(0.4, 0, 0.2, 1) infinite;
}

@keyframes forkLift {

  /* 24px CSS ≈ 120 unidades SVG com viewBox 512 renderizado a 100px */
  0% {
    transform: translateY(0);
  }

  35% {
    transform: translateY(-24px);
  }

  62% {
    transform: translateY(-24px);
  }

  100% {
    transform: translateY(0);
  }
}

.loader-text {
  font-size: 0.75rem;
  font-weight: 400;
  color: var(--text-light);
  letter-spacing: 0.08em;
  user-select: none;
  animation: loaderTextPulse 2s ease-in-out infinite;
}

@keyframes loaderTextPulse {

  0%,
  100% {
    opacity: 0.45;
  }

  50% {
    opacity: 0.9;
  }
}

@media (prefers-reduced-motion: reduce) {
  .loader-forks {
    animation: none;
  }

  .loader-text {
    animation: none;
    opacity: 0.7;
  }
}

/* App Layout */
.app-container {
  display: flex;
  min-height: 100vh;
  overflow: clip;
}

/* Sidebar */
.sidebar {
  width: var(--sidebar-width);
  min-width: var(--sidebar-width);
  flex-shrink: 0;
  background: linear-gradient(180deg, #f6f5f3 0%, #eeece8 100%);
  border-right: 1px solid var(--border-subtle);
  box-shadow: 4px 0 18px rgb(28 20 16 / 0.035), 1px 0 6px rgb(28 20 16 / 0.025);
  height: 100vh;
  position: sticky;
  top: 0;
  display: flex;
  flex-direction: column;
  z-index: 1000;
  transition: transform var(--transition-normal);
  will-change: transform;
  overscroll-behavior: contain;
}

.sidebar-brand-header {
  padding: 1rem 0.85rem 0.9rem;
  border-bottom: 1px solid var(--border-subtle);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.7rem;
  flex-shrink: 0;
  background:
    linear-gradient(180deg, rgba(250, 250, 249, 0.98) 0%, rgba(240, 238, 234, 0.96) 100%),
    var(--surface-white);
  text-align: center;
}

.sidebar-brand-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  opacity: 0.92;
  transition: opacity var(--transition-fast), transform var(--transition-fast);
}

.sidebar-brand-link:hover {
  opacity: 1;
  transform: translateY(-1px);
}

.sidebar-brand-logo {
  height: 44px;
  width: auto;
  display: block;
  filter: drop-shadow(0 1px 2px rgb(28 20 16 / 0.05));
}

.sidebar-brand-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.22rem;
  min-height: 34px;
  max-width: 100%;
  padding: 0.45rem 0.75rem;
  border-radius: var(--radius-full);
  border: 1px solid rgba(28, 20, 16, 0.08);
  background: rgba(255, 255, 255, 0.82);
  color: var(--text-secondary);
  font-size: 0.72rem;
  font-weight: 400;
  letter-spacing: 0.05em;
  line-height: var(--lh-copy-sm);
  text-transform: uppercase;
  box-shadow: 0 10px 24px -20px rgba(28, 20, 16, 0.18);
}

.sidebar-brand-badge .material-symbols-outlined {
  font-size: 0.82rem;
  color: var(--text-secondary);
  flex-shrink: 0;
  margin-right: -0.02rem;
}

.category-nav {
  flex: 1;
  overflow-y: auto;
  padding: 0.95rem 0.72rem 1.9rem;
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
  scrollbar-width: thin;
  scrollbar-color: rgba(28, 20, 16, 0.16) transparent;
}

.category-nav::-webkit-scrollbar {
  width: 4px;
}

.category-nav::-webkit-scrollbar-track {
  background: transparent;
}

.category-nav::-webkit-scrollbar-thumb {
  background: rgba(28, 20, 16, 0.14);
  border-radius: 4px;
}

.category-nav::-webkit-scrollbar-thumb:hover {
  background: rgba(28, 20, 16, 0.24);
}

.sidebar-item-icon {
  font-size: 18px;
  color: var(--text-light);
  opacity: 0.64;
  flex-shrink: 0;
}

.machine-btn-label {
  display: flex;
  align-items: center;
  gap: 0.45rem;
  flex: 1;
  min-width: 0;
  line-height: 1.3;
}

.category-child-name {
  display: flex;
  align-items: center;
  gap: 0;
  flex: 1;
  min-width: 0;
}

.machine-tree-item {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
  border-radius: 12px;
  border: 1px solid transparent;
  padding: 0.24rem;
  transition: border-color 0.2s ease, background 0.2s ease;
}

.machine-tree-item:hover {
  border-color: rgb(28 20 16 / 0.045);
  background: rgba(248, 247, 245, 0.78);
}

.machine-tree-item.active {
  border-color: rgba(253, 105, 25, 0.12);
  background: linear-gradient(180deg, rgba(249, 248, 246, 0.96) 0%, rgba(244, 240, 235, 0.9) 100%);
  box-shadow: 0 8px 18px -20px rgba(28, 20, 16, 0.2);
}

.category-btn {
  display: flex;
  align-items: center;
  gap: 0.45rem;
  width: 100%;
  padding: 7px 8px 7px 11px;
  border: 1px solid transparent;
  background: transparent;
  border-radius: 10px;
  color: var(--text-secondary);
  font-size: 0.84rem;
  font-weight: 450;
  cursor: pointer;
  transition: background var(--transition-fast), border-color var(--transition-fast), color var(--transition-fast), transform var(--transition-fast), box-shadow var(--transition-fast);
  text-align: left;
  position: relative;
}

.category-btn::before,
.category-group-btn::before,
.category-child-btn::before {
  content: '';
  position: absolute;
  left: 0;
  top: 8px;
  bottom: 8px;
  width: 3px;
  border-radius: 999px;
  background: linear-gradient(180deg, rgba(253, 105, 25, 0.98) 0%, rgba(196, 75, 12, 0.92) 100%);
  opacity: 0;
  transform: scaleY(0.45);
  transform-origin: center;
  transition: opacity var(--transition-fast), transform var(--transition-fast);
}

.machine-btn-chevron {
  font-size: 1rem;
  color: var(--text-muted);
  flex-shrink: 0;
  transition: transform 0.28s cubic-bezier(0.4, 0, 0.2, 1), color 0.2s ease;
}

.category-btn:hover {
  background: rgba(250, 249, 247, 0.92);
  color: var(--text-primary);
  border-color: rgba(28, 20, 16, 0.06);
  box-shadow: 0 6px 14px -16px rgba(28, 20, 16, 0.22);
  transform: translateX(1px);
}

.category-btn.active {
  background: linear-gradient(180deg, rgba(253, 105, 25, 0.08) 0%, rgba(253, 105, 25, 0.04) 100%);
  color: var(--color-primary-dark);
  border-color: rgba(253, 105, 25, 0.22);
  box-shadow: 0 10px 20px -22px rgba(28, 20, 16, 0.22);
  font-weight: var(--fw-500);
}

.category-btn.active::before {
  opacity: 1;
  transform: scaleY(1);
}

.machine-tree-item.expanded .machine-btn-chevron {
  transform: rotate(180deg);
  color: var(--text-secondary);
}

.machine-children {
  display: grid;
  grid-template-rows: 0fr;
  margin: 0.06rem 0.25rem 0.24rem 0.72rem;
  padding-left: 0.72rem;
  overflow: hidden;
  pointer-events: none;
  position: relative;
  transition: grid-template-rows 0.28s cubic-bezier(0.4, 0, 0.2, 1);
}

.machine-children::before {
  content: '';
  position: absolute;
  left: 0;
  top: 2.42rem;
  bottom: 0.55rem;
  width: 1px;
  background: rgba(28, 20, 16, 0.08);
  pointer-events: none;
  transition: background var(--transition-normal);
}

.machine-tree-item.expanded .machine-children::before {
  background: rgba(28, 20, 16, 0.14);
}

.machine-children-inner {
  min-height: 0;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.machine-children.visible {
  grid-template-rows: 1fr;
  pointer-events: auto;
}

/* Cascata */
.machine-children.visible .category-group {
  opacity: 0;
  animation: sidebar-cascade-in 0.22s cubic-bezier(0.4, 0, 0.2, 1) forwards;
}

.machine-children.visible .category-group:nth-child(1) {
  animation-delay: 0.03s;
}

.machine-children.visible .category-group:nth-child(2) {
  animation-delay: 0.06s;
}

.machine-children.visible .category-group:nth-child(3) {
  animation-delay: 0.09s;
}

.machine-children.visible .category-group:nth-child(4) {
  animation-delay: 0.12s;
}

.machine-children.visible .category-group:nth-child(5) {
  animation-delay: 0.15s;
}

.machine-children.visible .category-group:nth-child(6) {
  animation-delay: 0.18s;
}

.machine-children.visible .category-group:nth-child(n+7) {
  animation-delay: 0.21s;
}

@keyframes sidebar-cascade-in {
  from {
    opacity: 0;
    transform: translateY(-6px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.category-group {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
  margin-top: 0.22rem;
}

.category-group:first-child {
  margin-top: 0.16rem;
}

.category-group-btn {
  width: 100%;
  border: 1px solid rgba(28, 20, 16, 0.055);
  background: rgba(249, 248, 246, 0.72);
  color: var(--text-primary);
  border-radius: 10px;
  padding: 6px 8px 6px 11px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.45rem;
  font-size: 0.79rem;
  font-weight: 440;
  cursor: pointer;
  text-align: left;
  position: relative;
  z-index: 1;
  transition: background var(--transition-fast), border-color var(--transition-fast), color var(--transition-fast), transform var(--transition-fast), box-shadow var(--transition-fast);
}

.category-group-btn:hover {
  background: rgba(250, 249, 247, 0.92);
  border-color: rgba(28, 20, 16, 0.08);
  color: var(--text-primary);
  box-shadow: 0 6px 14px -16px rgba(28, 20, 16, 0.22);
  transform: translateX(1px);
}

.category-group-btn.active {
  background: linear-gradient(180deg, rgba(253, 105, 25, 0.08) 0%, rgba(253, 105, 25, 0.04) 100%);
  border-color: rgba(253, 105, 25, 0.22);
  color: var(--color-primary-dark);
  font-weight: var(--fw-500);
  box-shadow: 0 8px 18px -20px rgba(28, 20, 16, 0.22);
}

.category-group.active .category-group-btn {
  background: linear-gradient(180deg, rgba(253, 105, 25, 0.07) 0%, rgba(253, 105, 25, 0.03) 100%);
  border-color: rgba(253, 105, 25, 0.18);
  color: var(--color-primary-dark);
}

.category-group.active .category-group-btn::before,
.category-group-btn.active::before {
  opacity: 1;
  transform: scaleY(1);
}

.category-group-chevron {
  font-size: 1rem;
  color: var(--text-muted);
  flex-shrink: 0;
  transition: transform 0.28s cubic-bezier(0.4, 0, 0.2, 1), color 0.2s ease;
}

.category-group.expanded .category-group-chevron {
  transform: rotate(180deg);
  color: var(--text-secondary);
}

.category-group-count {
  display: none;
}

.category-group-children-wrap {
  display: grid;
  grid-template-rows: 0fr;
  overflow: hidden;
  transition: grid-template-rows 0.28s cubic-bezier(0.4, 0, 0.2, 1);
}

.category-group.expanded .category-group-children-wrap {
  grid-template-rows: 1fr;
}

.category-group-children {
  min-height: 0;
  display: flex;
  flex-direction: column;
  gap: 0.18rem;
  padding-left: 0.5rem;
}

.category-group.expanded .category-child-btn {
  opacity: 0;
  animation: sidebar-cascade-in 0.22s cubic-bezier(0.4, 0, 0.2, 1) forwards;
}

.category-group.expanded .category-child-btn:nth-child(1) {
  animation-delay: 0.03s;
}

.category-group.expanded .category-child-btn:nth-child(2) {
  animation-delay: 0.06s;
}

.category-group.expanded .category-child-btn:nth-child(3) {
  animation-delay: 0.09s;
}

.category-group.expanded .category-child-btn:nth-child(4) {
  animation-delay: 0.12s;
}

.category-group.expanded .category-child-btn:nth-child(5) {
  animation-delay: 0.15s;
}

.category-group.expanded .category-child-btn:nth-child(6) {
  animation-delay: 0.18s;
}

.category-group.expanded .category-child-btn:nth-child(n+7) {
  animation-delay: 0.21s;
}

.machine-children-status {
  font-size: 0.78rem;
  color: var(--text-light);
  padding: 0.25rem 0.5rem;
}

.machine-children-status-error {
  color: var(--color-warning-700);
}

/* Sidebar skeleton — enquanto categorias carregam */
.sidebar-skeleton-item {
  height: 26px;
  border-radius: 8px;
  background: linear-gradient(90deg, rgba(28, 20, 16, 0.07) 25%, rgba(28, 20, 16, 0.13) 50%, rgba(28, 20, 16, 0.07) 75%);
  background-size: 200% 100%;
  animation: skeleton-shimmer 0.9s ease-in-out infinite;
  margin-bottom: 5px;
}

.sidebar-skeleton-item:last-child {
  margin-bottom: 0;
}

@media (prefers-reduced-motion: reduce) {
  .sidebar-skeleton-item {
    animation: none;
    background: rgba(28, 20, 16, 0.08);
  }
}

.category-child-btn {
  width: 100%;
  border: 1px solid transparent;
  background: rgba(247, 246, 244, 0.7);
  color: var(--text-secondary);
  border-radius: 8px;
  padding: 5px 7px 5px 11px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.4rem;
  font-size: 0.77rem;
  font-weight: 390;
  cursor: pointer;
  text-align: left;
  position: relative;
  z-index: 1;
  transition: background var(--transition-fast), border-color var(--transition-fast), color var(--transition-fast), transform var(--transition-fast), box-shadow var(--transition-fast);
}

.category-child-btn:hover {
  background: rgba(250, 249, 247, 0.9);
  border-color: rgba(28, 20, 16, 0.06);
  color: var(--text-primary);
  transform: translateX(1px);
}

.category-child-btn.active {
  background: linear-gradient(180deg, rgba(253, 105, 25, 0.08) 0%, rgba(253, 105, 25, 0.04) 100%);
  border-color: rgba(253, 105, 25, 0.22);
  color: var(--color-primary-dark);
  font-weight: var(--fw-500);
  box-shadow: 0 8px 16px -20px rgba(28, 20, 16, 0.18);
}

.category-child-btn.active::before {
  opacity: 1;
  transform: scaleY(1);
}

.category-btn:focus-visible,
.category-group-btn:focus-visible,
.category-child-btn:focus-visible {
  outline: none;
  border-color: rgba(253, 105, 25, 0.3);
  box-shadow: var(--focus-ring);
}

.category-child-count {
  display: none;
}

.category-child-btn.active .category-child-count {
  display: none;
}

/* Main Content */
.main-content {
  position: relative;
  flex: 1;
  min-width: 0;
  padding: clamp(1.25rem, 2.5vw, 2.5rem) var(--catalog-content-gutter);
  width: 100%;
  background: var(--background-body);
}

/* Hero: imagem + headline (sem busca sobreposta) */
.main-content.page-initial {
  --hero-bg-height: clamp(200px, 22vh, 270px);
  padding-top: 0;
}

.hero {
  position: relative;
  width: auto;
  min-height: var(--hero-bg-height);
  display: block;
  z-index: 0;
  margin-left: calc(-1 * var(--catalog-content-gutter));
  margin-right: calc(-1 * var(--catalog-content-gutter));
}

.hero-shell {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-rows: auto 1fr;
  min-height: 100%;
  width: 100%;
  max-width: var(--content-max);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--catalog-content-gutter);
  padding-right: var(--catalog-content-gutter);
}

.hero-content {
  display: grid;
  align-items: center;
  min-height: clamp(185px, 27vh, 285px);
}

/* Hero background: ocupa toda a altura da hero */
.hero-bg {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 100%;
  z-index: 0;
  background-image: url('/api/v1/images/site/LAV04900.jpg');
  background-size: cover;
  background-position: center center;
  background-repeat: no-repeat;
  opacity: 0.68;
  filter: saturate(0.9) contrast(1.02);
  pointer-events: none;
}

@keyframes heroKenBurns {
  from {
    transform: scale(1);
  }

  to {
    transform: scale(1.075);
  }
}

/* Zoom suave no fundo só na capa (classe page-initial no main) */
.main-content.page-initial .hero-bg {
  top: -5%;
  left: -5%;
  right: auto;
  width: 110%;
  height: 110%;
  transform-origin: center center;
  animation: heroKenBurns 28s ease-in-out infinite alternate;
}

@media (prefers-reduced-motion: reduce) {
  .main-content.page-initial .hero-bg {
    animation: none;
    transform: none;
    top: 0;
    left: 0;
    right: 0;
    width: auto;
    height: 100%;
  }
}

.hero-bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(10, 8, 7, 0.12) 0%, rgba(10, 8, 7, 0.26) 100%);
}

.hero-overlay {
  position: absolute;
  inset: 0;
  z-index: 1;
  background:
    linear-gradient(180deg, rgba(13, 10, 8, 0.54) 0%, rgba(13, 10, 8, 0.26) 34%, rgba(13, 10, 8, 0.42) 100%);
  pointer-events: none;
}

.hero-transition {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 120px;
  z-index: 2;
  pointer-events: none;
  background: linear-gradient(to bottom,
      transparent 0%,
      var(--background-body) 100%);
}

.hero[data-hero-variant='machine'] .hero-overlay {
  background:
    linear-gradient(180deg, rgba(13, 10, 8, 0.6) 0%, rgba(13, 10, 8, 0.28) 34%, rgba(13, 10, 8, 0.46) 100%);
}

.hero[data-hero-variant='machine'] .hero-bg {
  opacity: 0.58;
  filter: saturate(0.96) contrast(1.03) brightness(0.92);
}

.hero[data-hero-variant='context'] .hero-overlay {
  background:
    linear-gradient(180deg, rgba(11, 9, 8, 0.54) 0%, rgba(11, 9, 8, 0.26) 38%, rgba(11, 9, 8, 0.4) 100%);
}

.hero[data-hero-variant='context'] .hero-bg {
  opacity: 0.5;
  filter: saturate(0.72) contrast(1.04) brightness(0.88);
}

.hero[data-hero-variant='history'] .hero-overlay {
  background:
    linear-gradient(180deg, rgba(12, 10, 9, 0.58) 0%, rgba(12, 10, 9, 0.3) 42%, rgba(12, 10, 9, 0.42) 100%),
    linear-gradient(120deg, rgba(214, 184, 141, 0.12) 0%, rgba(214, 184, 141, 0.03) 100%);
}

.hero[data-hero-variant='history'] .hero-bg {
  opacity: 0.46;
  filter: saturate(0.48) contrast(1.04) brightness(0.9);
}

.main-content> :is(.main-header, .hero-headline, .search-section, .authority-indicator, .breadcrumb, .results-count, .grid, .pagination-controls, .nenhum-resultado-mensagem, .main-footer) {
  width: 100%;
  max-width: var(--content-max);
  margin-left: auto;
  margin-right: auto;
}

.main-header {
  display: flex;
  align-items: center;
  justify-content: flex-start;
  margin-bottom: 0;
  padding: 0.5rem 0;
  position: relative;
  z-index: 10;
}

.menu-toggle {
  display: none;
  width: 48px;
  min-width: 48px;
  height: 48px;
  min-height: 48px;
  position: fixed;
  top: max(1.25rem, calc(env(safe-area-inset-top) + 0.5rem));
  left: max(1.25rem, calc(env(safe-area-inset-left) + 0.2rem));
  z-index: 11001;
  background: linear-gradient(180deg, var(--brand-orange) 0%, var(--brand-orange-dark) 100%);
  border: 1px solid rgba(255, 255, 255, 0.22);
  color: #fff;
  cursor: pointer;
  padding: 0;
  border-radius: 50%;
  opacity: 0.96;
  transition: background var(--transition-fast), transform var(--transition-fast), box-shadow var(--transition-fast), opacity var(--transition-fast);
  pointer-events: auto;
  backdrop-filter: blur(10px);
  box-shadow: var(--shadow-card-hover);
}

.menu-toggle:hover {
  opacity: 1;
  transform: translateY(-2px) scale(1.05);
  box-shadow: var(--shadow-elevated);
}

.menu-toggle:active {
  opacity: 1;
  transform: translateY(0) scale(0.98);
}

.menu-toggle[aria-expanded='true'] {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transform: translateY(-8px) scale(0.92);
}

.menu-toggle:focus-visible {
  outline: 2px solid rgba(255, 255, 255, 0.78);
  outline-offset: 3px;
}

.menu-toggle .material-symbols-outlined {
  font-size: 22px;
}

/* Mobile overlay */
.sidebar-overlay {
  position: fixed;
  inset: 0;
  background: rgb(28 20 16 / 0.5);
  z-index: 999;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: all var(--transition-normal);
  backdrop-filter: blur(2px);
}

.sidebar-overlay.active {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}

/* Desktop: header oculto */
@media (min-width: 1025px) {
  .main-header {
    display: none;
  }
}

@media (max-width: 1024px) {
  :root {
    --catalog-content-gutter: clamp(1rem, 4vw, 1.5rem);
  }

  .sidebar {
    position: fixed;
    left: 0;
    top: 0;
    width: min(86vw, 320px);
    min-width: 0;
    max-width: calc(100vw - 2rem);
    height: 100dvh;
    transform: translateX(-100%);
    box-shadow: var(--shadow-lg);
  }

  .sidebar.open {
    transform: translateX(0);
  }

  .main-content {
    padding: 1.1rem var(--catalog-content-gutter) 2rem;
  }

  .main-content.page-initial {
    --hero-bg-height: clamp(250px, 44vh, 360px);
  }

  .hero {
    margin-left: calc(-1 * var(--catalog-content-gutter));
    margin-right: calc(-1 * var(--catalog-content-gutter));
  }

  .hero-shell {
    padding-left: var(--catalog-content-gutter);
    padding-right: var(--catalog-content-gutter);
  }

  .main-header {
    margin-bottom: 0;
    padding-top: 0;
    min-height: 0;
  }

  .menu-toggle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
  }

  .mobile-filter-btn.visible {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    width: 100%;
    background: var(--surface-white);
    border: 1px solid var(--brand-orange);
    border-radius: var(--radius-md);
    padding: 10px 16px;
    color: var(--brand-orange-dark);
    font-weight: 600;
    font-size: 0.95rem;
    cursor: pointer;
    box-shadow: var(--shadow-sm);
    margin-bottom: 1.5rem;
    transition: all var(--transition-fast);
  }

  .mobile-filter-btn.visible:active {
    background: rgba(253, 105, 25, 0.05);
  }

  .sidebar-brand-header {
    padding: 1rem;
  }
}

.mobile-filter-btn {
  display: none;
}

@media (max-width: 600px) {
  :root {
    --catalog-content-gutter: var(--mobile-gutter);
  }

  .sidebar {
    width: min(88vw, 300px);
    max-width: calc(100vw - 1.25rem);
  }

  .main-content {
    padding-bottom: 1.5rem;
  }

  .main-content.page-initial {
    --hero-bg-height: clamp(220px, 42vh, 310px);
  }

  .sidebar-brand-header {
    gap: 0.7rem;
  }

  .sidebar-brand-logo {
    height: 38px;
  }

  .sidebar-brand-badge {
    font-size: 0.68rem;
    padding: 0.4rem 0.7rem;
  }

  .category-nav {
    padding: 1rem;
  }

  .machine-children {
    margin-left: 0.3rem;
    padding-left: 0.45rem;
  }

  .hero-transition {
    height: 88px;
  }

  .menu-toggle {
    top: max(1rem, calc(env(safe-area-inset-top) + 0.35rem));
    left: max(1rem, calc(env(safe-area-inset-left) + 0.15rem));
  }

}

@media (max-width: 430px) {
  .main-content.page-initial {
    --hero-bg-height: clamp(196px, 36vh, 248px);
  }

  .hero-shell {
    grid-template-rows: auto 1fr;
  }

  .main-header {
    padding-top: 0;
  }

  .menu-toggle {
    width: 42px;
    min-width: 42px;
    height: 42px;
    min-height: 42px;
    top: max(0.65rem, calc(env(safe-area-inset-top) + 0.2rem));
    left: max(0.65rem, calc(env(safe-area-inset-left) + 0.1rem));
  }

  .menu-toggle .material-symbols-outlined {
    font-size: 20px;
  }

  .hero-transition {
    height: 72px;
  }
}

/* Mobile branding in header */
.header-mobile-brand {
  display: none;
}

@media (max-width: 1024px) {
  .header-mobile-brand {
    display: inline-flex;
    align-items: center;
    position: fixed;
    top: max(1.1rem, calc(env(safe-area-inset-top) + 0.4rem));
    left: 50%;
    transform: translateX(-50%);
    z-index: 11001;
    pointer-events: auto;
  }

  .header-mobile-logo {
    height: 28px;
    width: auto;
    display: block;
    filter: drop-shadow(0 1px 4px rgba(28, 20, 16, 0.18));
  }
}

@media (max-width: 430px) {
  .header-mobile-brand {
    top: max(0.8rem, calc(env(safe-area-inset-top) + 0.2rem));
  }

  .header-mobile-logo {
    height: 24px;
  }
}