/* ============================================
   Layout - Container, Header, Hero, Sections, Footer
   ============================================ */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--container-padding);
}

/* --- Header --- */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--header-height);
  background: var(--bg-primary);
  border-bottom: 1px solid var(--border-color);
  z-index: var(--z-header);
  transition: box-shadow var(--transition-base), background-color var(--transition-base);
}

.header.scrolled {
  box-shadow: var(--shadow-md);
}

.header__inner {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  height: 100%;
}

.header__brand {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  flex-shrink: 0;
  min-width: 0;
}

.header__logo {
  width: 44px;
  height: 44px;
  border-radius: var(--border-radius-md);
  object-fit: contain;
  background: var(--bg-secondary);
}

.header__name {
  font-weight: 700;
  font-size: var(--font-size-lg);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.header__search {
  flex: 1;
  max-width: 480px;
  margin-inline: auto;
  position: relative;
}

.header__actions {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  flex-shrink: 0;
  margin-left: auto;
}

/* --- Hero --- */
.hero {
  padding-top: calc(var(--header-height) + var(--space-16));
  padding-bottom: var(--space-16);
  background: linear-gradient(135deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
  text-align: center;
}

.hero__inner {
  max-width: 720px;
  margin-inline: auto;
}

.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
  font-size: var(--font-size-sm);
  padding: var(--space-2) var(--space-4);
  border-radius: var(--border-radius-full);
  margin-bottom: var(--space-4);
}

.hero__title {
  font-size: clamp(var(--font-size-3xl), 5vw, var(--font-size-5xl));
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: var(--space-4);
  background: linear-gradient(90deg, var(--text-primary), var(--color-secondary));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero__subtitle {
  color: var(--text-secondary);
  font-size: var(--font-size-lg);
  margin-bottom: var(--space-8);
  max-width: 520px;
  margin-inline: auto;
}

/* --- Tools / Controls bar --- */
.tools {
  position: sticky;
  top: var(--header-height);
  z-index: var(--z-dropdown);
  background: var(--bg-primary);
  border-bottom: 1px solid var(--border-color);
  padding-block: var(--space-4);
  transition: background-color var(--transition-base);
}

.tools__inner {
  display: flex;
  align-items: center;
  gap: var(--space-4);
}

.tools__controls {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  flex-shrink: 0;
  margin-left: auto;
}

/* Hide the categories toggle button on desktop (sidebar is always visible) */
.categories-toggle {
  display: none;
}

/* --- Catalog layout: sidebar + main --- */
.catalog-layout {
  display: grid;
  grid-template-columns: 260px 1fr;
  gap: var(--space-10);
  align-items: start;
}

.sidebar {
  position: sticky;
  top: calc(var(--header-height) + var(--space-6));
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-lg);
  padding: var(--space-6);
}

.sidebar__title {
  font-size: var(--font-size-sm);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-tertiary);
  margin-bottom: var(--space-4);
}

.sidebar__nav {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.sidebar .sidebar__close {
  display: none;
  position: absolute;
  top: var(--space-3);
  right: var(--space-4);
  left: auto;
}

.sidebar-overlay {
  display: none;
}

/* --- Products grid --- */
.section-products {
  padding-block: var(--space-10);
  min-height: 400px;
}

.results-info {
  color: var(--text-secondary);
  font-size: var(--font-size-sm);
  margin: 0;
}

.catalog-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  margin-bottom: var(--space-6);
  flex-wrap: wrap;
}

.page-size {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
}

.page-size .select-control {
  padding-block: var(--space-1);
  min-width: 70px;
  text-align: center;
}

.products-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-6);
}

/* --- Pagination --- */
.pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  margin-top: var(--space-10);
  flex-wrap: wrap;
}

.page-btn {
  min-width: 40px;
  height: 40px;
  padding-inline: var(--space-3);
  border-radius: var(--border-radius-md);
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
  font-size: var(--font-size-sm);
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-1);
  transition: all var(--transition-fast);
}

.page-btn:hover:not(:disabled) {
  border-color: var(--color-secondary);
  color: var(--color-secondary);
}

.page-btn.active {
  background: var(--color-secondary);
  color: var(--text-inverse);
  border-color: var(--color-secondary);
}

.page-btn:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

.page-ellipsis {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 32px;
  color: var(--text-tertiary);
}

/* --- Footer --- */
.footer {
  background: #17212b;
  color: var(--text-inverse);
  padding-block: var(--space-12) var(--space-6);
  margin-top: var(--space-16);
}

.footer__grid {
  display: grid;
  grid-template-columns: 1fr;
  align-items: center;
  gap: var(--space-8);
}

.footer__brand {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.footer__logo {
  width: 52px;
  height: 52px;
  object-fit: contain;
  background: #ffffff;
  border-radius: var(--border-radius-lg);
  padding: var(--space-2);
}

.footer__name {
  font-size: var(--font-size-xl);
  font-weight: 800;
  letter-spacing: 0.01em;
}

.footer__meta {
  color: rgba(255, 255, 255, 0.65);
  font-size: var(--font-size-sm);
}

.footer__bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-6);
  padding-top: var(--space-6);
  border-top: 1px solid rgba(255, 255, 255, 0.14);
}

.footer__cta {
  display: flex;
  align-items: center;
  gap: var(--space-4);
}

.footer__cta-title {
  color: rgba(255, 255, 255, 0.78);
  font-size: var(--font-size-sm);
  margin: 0;
}

.footer__whatsapp {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-4);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: var(--border-radius-md);
  color: #ffffff;
  font-size: var(--font-size-sm);
  font-weight: 700;
  transition: color var(--transition-fast);
}

.footer__whatsapp:hover {
  background: var(--color-success);
  border-color: var(--color-success);
  color: #ffffff;
}

.footer__developed {
  text-align: right;
  color: rgba(255, 255, 255, 0.55);
  font-size: var(--font-size-sm);
}

.footer__developed a {
  color: rgba(255, 255, 255, 0.9);
  font-weight: 600;
  text-decoration: none;
  transition: color var(--transition-fast);
}

.footer__developed a:hover {
  color: #ffffff;
  text-decoration: underline;
}

.back-to-top {
  position: fixed;
  bottom: var(--space-8);
  right: var(--space-8);
  width: 48px;
  height: 48px;
  border-radius: var(--border-radius-full);
  background: var(--color-secondary);
  color: var(--text-inverse);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-lg);
  opacity: 0;
  visibility: hidden;
  transform: translateY(20px);
  transition: all var(--transition-base);
  z-index: var(--z-dropdown);
}

.back-to-top.visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.back-to-top:hover {
  background: var(--color-secondary-hover);
  transform: translateY(-4px);
  box-shadow: var(--shadow-xl);
}

/* Desktop: ensure drawer close button and overlay are always hidden */
@media (min-width: 769px) {
  .sidebar__close {
    display: none !important;
  }

  .sidebar-overlay {
    display: none !important;
  }
}