/* ==========================================================================
   TU NEGOCIO · Catálogo Mayorista Online Demo
   Design System: Apple / Figma Minimal Editorial Clean
   Primary Colors: Pure White, Slate Blacks/Grays, Vibrant Red (#E11D48 / #DC2626)
   ========================================================================== */

:root {
  --bg-primary: #FFFFFF;
  --bg-secondary: #F8FAFC;
  --bg-tertiary: #F1F5F9;
  --bg-card: #FFFFFF;
  --text-main: #0F172A;
  --text-muted: #64748B;
  --text-subtle: #94A3B8;
  --brand-red: #E11D48;
  --brand-red-hover: #BE123C;
  --brand-red-light: #FFE4E6;
  --whatsapp-green: #25D366;
  --whatsapp-hover: #1EBE5B;
  --whatsapp-light: #E7F9EE;
  --border-light: #E2E8F0;
  --border-subtle: #F1F5F9;
  --border-hover: #CBD5E1;
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-pill: 9999px;
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.04), 0 1px 2px rgba(0, 0, 0, 0.02);
  --shadow-md: 0 4px 12px -2px rgba(0, 0, 0, 0.06), 0 2px 6px -1px rgba(0, 0, 0, 0.04);
  --shadow-lg: 0 12px 28px -4px rgba(0, 0, 0, 0.08), 0 4px 12px -2px rgba(0, 0, 0, 0.04);
  --shadow-hover: 0 14px 32px -4px rgba(15, 23, 42, 0.1);
  --font-family: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --header-height: 76px;
  --transition-fast: 0.15s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-smooth: 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
}

body {
  font-family: var(--font-family);
  background-color: var(--bg-primary);
  color: var(--text-main);
  line-height: 1.5;
  overflow-x: hidden;
}

a { color: inherit; text-decoration: none; }
button, input, select, textarea { font-family: inherit; font-size: inherit; }
button { cursor: pointer; border: none; background: none; }

/* TOP DEMO BANNER */
.demo-banner {
  background: #0F172A;
  color: #F8FAFC;
  font-size: 0.8125rem;
  padding: 0.5rem 1.25rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  position: relative;
  z-index: 50;
}
.demo-banner-content {
  max-width: 1280px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.75rem;
}
.badge-pill {
  display: inline-flex;
  align-items: center;
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  background: var(--brand-red);
  color: #FFF;
  padding: 0.2rem 0.6rem;
  border-radius: var(--radius-pill);
}
.demo-banner-text { flex: 1; color: #CBD5E1; }
.demo-banner-text strong { color: #FFFFFF; }
.demo-banner-actions { display: flex; align-items: center; gap: 0.75rem; }
.btn-banner-link {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  color: #94A3B8;
  font-weight: 500;
  transition: color var(--transition-fast);
}
.btn-banner-link:hover { color: #FFFFFF; }
.btn-banner-cta {
  display: inline-flex;
  align-items: center;
  background: rgba(255, 255, 255, 0.12);
  color: #FFFFFF;
  font-weight: 600;
  padding: 0.3rem 0.75rem;
  border-radius: var(--radius-sm);
  transition: background var(--transition-fast);
}
.btn-banner-cta:hover { background: rgba(255, 255, 255, 0.22); }

/* SITE HEADER */
.site-header {
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-light);
  position: sticky;
  top: 0;
  z-index: 40;
}
.header-container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0.85rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}
.brand-group { display: flex; align-items: center; gap: 0.85rem; }
.brand-avatar {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-md);
  background: linear-gradient(135deg, #0F172A 0%, #1E293B 100%);
  color: #FFFFFF;
  font-weight: 800;
  font-size: 1.1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 8px rgba(15, 23, 42, 0.15);
}
.brand-title-wrap { display: flex; align-items: center; gap: 0.6rem; }
.brand-name {
  font-size: 1.25rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  color: var(--text-main);
  line-height: 1.1;
}
.status-indicator {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  background: #F0FDF4;
  color: #166534;
  font-size: 0.725rem;
  font-weight: 600;
  padding: 0.15rem 0.5rem;
  border-radius: var(--radius-pill);
  border: 1px solid #DCFCE7;
}
.status-dot {
  width: 6px;
  height: 6px;
  background: #22C55E;
  border-radius: 50%;
  box-shadow: 0 0 6px #22C55E;
}
.brand-subtitle { font-size: 0.8125rem; color: var(--text-muted); }

/* Header Cart Button */
.btn-cart-nav {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  background: var(--bg-secondary);
  border: 1px solid var(--border-light);
  padding: 0.55rem 1.1rem;
  border-radius: var(--radius-pill);
  transition: all var(--transition-fast);
  color: var(--text-main);
}
.btn-cart-nav:hover {
  background: #FFFFFF;
  border-color: var(--brand-red);
  box-shadow: var(--shadow-sm);
}
.cart-icon-wrap { position: relative; display: flex; align-items: center; }
.cart-count {
  position: absolute;
  top: -8px;
  right: -10px;
  background: var(--brand-red);
  color: #FFFFFF;
  font-size: 0.7rem;
  font-weight: 700;
  min-width: 18px;
  height: 18px;
  padding: 0 4px;
  border-radius: var(--radius-pill);
  display: flex;
  align-items: center;
  justify-content: center;
  border: 2px solid #FFFFFF;
}
.btn-cart-nav-label { font-size: 0.875rem; font-weight: 600; }
.btn-cart-nav-total {
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--brand-red);
  background: var(--brand-red-light);
  padding: 0.15rem 0.5rem;
  border-radius: var(--radius-pill);
}

/* HERO SECTION */
.hero-section {
  padding: 3rem 1.5rem 2rem;
  background: linear-gradient(180deg, #FFFFFF 0%, var(--bg-secondary) 100%);
  border-bottom: 1px solid var(--border-light);
}
.hero-container { max-width: 860px; margin: 0 auto; text-align: center; }
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: #FFFFFF;
  border: 1px solid var(--border-light);
  color: var(--text-muted);
  font-size: 0.8125rem;
  font-weight: 600;
  padding: 0.35rem 0.85rem;
  border-radius: var(--radius-pill);
  margin-bottom: 1.25rem;
  box-shadow: var(--shadow-sm);
}
.hero-title {
  font-size: 2.5rem;
  font-weight: 800;
  letter-spacing: -0.04em;
  line-height: 1.15;
  color: var(--text-main);
  margin-bottom: 1rem;
}
.highlight-red { color: var(--brand-red); }
.hero-description {
  font-size: 1.0625rem;
  color: var(--text-muted);
  line-height: 1.6;
  max-width: 680px;
  margin: 0 auto 2rem;
}

/* SEARCH */
.search-box-wrap { max-width: 640px; margin: 0 auto; }
.search-input-box {
  display: flex;
  align-items: center;
  background: #FFFFFF;
  border: 2px solid var(--border-light);
  border-radius: var(--radius-pill);
  padding: 0.65rem 1.2rem;
  box-shadow: var(--shadow-md);
  transition: all var(--transition-smooth);
}
.search-input-box:focus-within {
  border-color: var(--brand-red);
  box-shadow: 0 8px 24px -4px rgba(225, 29, 72, 0.15);
}
.search-icon { color: var(--text-subtle); margin-right: 0.75rem; flex-shrink: 0; }
.search-input-box input {
  flex: 1;
  border: none;
  outline: none;
  font-size: 1rem;
  color: var(--text-main);
  background: transparent;
}
.search-input-box input::placeholder { color: var(--text-subtle); }
.clear-search-btn {
  color: var(--text-subtle);
  padding: 0.25rem;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}
.clear-search-btn:hover { color: var(--text-main); }

/* STICKY CATEGORIES */
.categories-nav-sticky {
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border-light);
  position: sticky;
  top: var(--header-height);
  z-index: 35;
  padding: 0.75rem 1.5rem;
}
.categories-container {
  max-width: 1280px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 0.6rem;
  overflow-x: auto;
  scrollbar-width: none;
}
.categories-container::-webkit-scrollbar { display: none; }
.category-chip {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 1rem;
  border-radius: var(--radius-pill);
  background: var(--bg-secondary);
  color: var(--text-muted);
  font-size: 0.875rem;
  font-weight: 600;
  white-space: nowrap;
  border: 1px solid transparent;
  transition: all var(--transition-fast);
}
.category-chip:hover {
  background: #FFFFFF;
  color: var(--text-main);
  border-color: var(--border-hover);
}
.category-chip.active {
  background: var(--text-main);
  color: #FFFFFF;
  border-color: var(--text-main);
}
.chip-count {
  font-size: 0.75rem;
  font-weight: 700;
  opacity: 0.8;
  background: rgba(0, 0, 0, 0.08);
  padding: 0.1rem 0.4rem;
  border-radius: var(--radius-pill);
}
.category-chip.active .chip-count {
  background: rgba(255, 255, 255, 0.2);
  color: #FFFFFF;
}

/* CATALOG LAYOUT & CONTROLS */
.catalog-layout-main {
  padding: 2rem 1.5rem 5rem;
  background: var(--bg-primary);
  min-height: 60vh;
}
.catalog-container { max-width: 1280px; margin: 0 auto; }
.catalog-controls-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
  padding-bottom: 1.5rem;
  margin-bottom: 1.5rem;
  border-bottom: 1px solid var(--border-subtle);
}
.active-count-indicator { font-size: 0.9375rem; color: var(--text-muted); }
.active-count-indicator strong { color: var(--text-main); }
.filter-controls-group { display: flex; align-items: center; flex-wrap: wrap; gap: 1rem; }
.control-select-wrap {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.875rem;
  color: var(--text-muted);
}
.control-select-wrap select {
  background: var(--bg-secondary);
  border: 1px solid var(--border-light);
  color: var(--text-main);
  font-size: 0.875rem;
  font-weight: 500;
  padding: 0.45rem 0.85rem;
  border-radius: var(--radius-sm);
  outline: none;
  cursor: pointer;
}
.control-select-wrap select:focus { border-color: var(--brand-red); }

/* Toggle stock */
.toggle-stock-checkbox {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.875rem;
  color: var(--text-main);
  font-weight: 500;
  cursor: pointer;
}
.toggle-stock-checkbox input { position: absolute; opacity: 0; cursor: pointer; }
.checkmark {
  width: 18px;
  height: 18px;
  background: var(--bg-secondary);
  border: 1px solid var(--border-hover);
  border-radius: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.toggle-stock-checkbox input:checked ~ .checkmark {
  background: var(--brand-red);
  border-color: var(--brand-red);
}
.checkmark::after {
  content: "";
  display: none;
  width: 4px;
  height: 8px;
  border: solid white;
  border-width: 0 2px 2px 0;
  transform: rotate(45deg) translate(-1px, -1px);
}
.toggle-stock-checkbox input:checked ~ .checkmark::after { display: block; }

/* PRODUCT GRID */
.products-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1.5rem;
}
.product-card {
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: all var(--transition-smooth);
  position: relative;
}
.product-card:hover {
  transform: translateY(-4px);
  border-color: var(--border-hover);
  box-shadow: var(--shadow-hover);
}
.product-card-media {
  position: relative;
  aspect-ratio: 4/3;
  background: var(--bg-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  cursor: pointer;
  padding: 1.5rem;
}
.product-card-media svg {
  max-width: 70%;
  max-height: 70%;
  transition: transform var(--transition-smooth);
}
.product-card:hover .product-card-media svg { transform: scale(1.05); }

.card-badges-row {
  position: absolute;
  top: 12px;
  left: 12px;
  right: 12px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  pointer-events: none;
}
.category-tag {
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(4px);
  color: var(--text-muted);
  font-size: 0.6875rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 0.25rem 0.55rem;
  border-radius: var(--radius-pill);
  border: 1px solid var(--border-light);
}
.stock-tag {
  font-size: 0.6875rem;
  font-weight: 700;
  padding: 0.25rem 0.55rem;
  border-radius: var(--radius-pill);
}
.stock-tag.in-stock { background: #F0FDF4; color: #166534; border: 1px solid #DCFCE7; }
.stock-tag.low-stock { background: #FFFBEB; color: #B45309; border: 1px solid #FEF3C7; }
.stock-tag.out-of-stock { background: #FEF2F2; color: #991B1B; border: 1px solid #FEE2E2; }

.product-card-body {
  padding: 1.25rem;
  display: flex;
  flex-direction: column;
  flex: 1;
}
.product-meta-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.75rem;
  color: var(--text-subtle);
  margin-bottom: 0.35rem;
}
.product-brand { font-weight: 700; text-transform: uppercase; color: var(--text-muted); }
.product-sku { font-family: monospace; }
.product-card-title {
  font-size: 1.0625rem;
  font-weight: 700;
  color: var(--text-main);
  line-height: 1.3;
  margin-bottom: 0.4rem;
  cursor: pointer;
  transition: color var(--transition-fast);
}
.product-card-title:hover { color: var(--brand-red); }
.product-package-info { font-size: 0.8125rem; color: var(--text-muted); margin-bottom: 0.85rem; }

.product-price-row {
  margin-top: auto;
  padding-top: 0.85rem;
  border-top: 1px solid var(--border-subtle);
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  margin-bottom: 1rem;
}
.price-unit-block { display: flex; flex-direction: column; }
.price-label { font-size: 0.6875rem; text-transform: uppercase; color: var(--text-subtle); font-weight: 600; }
.price-amount { font-size: 1.35rem; font-weight: 800; letter-spacing: -0.03em; color: var(--text-main); }
.price-per-unit { font-size: 0.75rem; color: var(--text-muted); }

.product-card-actions { display: flex; align-items: center; gap: 0.6rem; }
.qty-control {
  display: flex;
  align-items: center;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-sm);
  background: var(--bg-secondary);
  overflow: hidden;
  height: 40px;
}
.qty-btn {
  width: 32px;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-main);
  font-size: 1.1rem;
  font-weight: 600;
}
.qty-btn:hover:not(:disabled) { background: var(--border-light); }
.qty-btn:disabled { opacity: 0.3; cursor: not-allowed; }
.qty-input {
  width: 40px;
  height: 100%;
  border: none;
  background: #FFFFFF;
  text-align: center;
  font-weight: 700;
  font-size: 0.9375rem;
  color: var(--text-main);
  outline: none;
}
.btn-add-to-cart {
  flex: 1;
  height: 40px;
  background: var(--brand-red);
  color: #FFFFFF;
  font-weight: 600;
  font-size: 0.875rem;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  transition: background var(--transition-fast);
}
.btn-add-to-cart:hover:not(:disabled) { background: var(--brand-red-hover); }
.btn-add-to-cart:disabled { background: var(--border-light); color: var(--text-subtle); cursor: not-allowed; }

/* Empty state */
.empty-state-box {
  text-align: center;
  padding: 4rem 1.5rem;
  background: var(--bg-secondary);
  border-radius: var(--radius-lg);
  border: 1px dashed var(--border-hover);
  max-width: 540px;
  margin: 2rem auto;
}
.empty-icon-circle {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: #FFFFFF;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-subtle);
  margin: 0 auto 1.25rem;
  box-shadow: var(--shadow-sm);
}
.empty-title { font-size: 1.2rem; font-weight: 700; margin-bottom: 0.5rem; color: var(--text-main); }
.empty-desc { font-size: 0.875rem; color: var(--text-muted); line-height: 1.5; margin-bottom: 1.5rem; }
.btn-secondary {
  display: inline-flex;
  align-items: center;
  background: #FFFFFF;
  border: 1px solid var(--border-hover);
  color: var(--text-main);
  font-weight: 600;
  font-size: 0.875rem;
  padding: 0.6rem 1.25rem;
  border-radius: var(--radius-sm);
}

/* BLUX SHOWCASE */
.blux-showcase-section {
  padding: 5rem 1.5rem;
  background: #0F172A;
  color: #FFFFFF;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}
.blux-showcase-container { max-width: 1200px; margin: 0 auto; }
.showcase-header { text-align: center; max-width: 780px; margin: 0 auto 3.5rem; }
.showcase-tag {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  color: var(--brand-red);
  margin-bottom: 1rem;
}
.showcase-title {
  font-size: 2.2rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.2;
  margin-bottom: 1rem;
}
.showcase-sub { font-size: 1.05rem; color: #94A3B8; line-height: 1.6; }
.showcase-cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1.75rem;
  margin-bottom: 3.5rem;
}
.showcase-feature-card {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-lg);
  padding: 2rem;
  transition: all var(--transition-smooth);
}
.showcase-feature-card:hover {
  background: rgba(255, 255, 255, 0.06);
  border-color: rgba(255, 255, 255, 0.16);
  transform: translateY(-4px);
}
.feat-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  background: rgba(225, 29, 72, 0.15);
  color: var(--brand-red);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.25rem;
}
.showcase-feature-card h3 { font-size: 1.15rem; font-weight: 700; margin-bottom: 0.6rem; }
.showcase-feature-card p { font-size: 0.875rem; color: #94A3B8; line-height: 1.6; }

.showcase-cta-banner {
  background: linear-gradient(135deg, #1E293B 0%, #0F172A 100%);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 2rem;
}
.cta-text-left h3 { font-size: 1.4rem; font-weight: 800; margin-bottom: 0.4rem; }
.cta-text-left p { color: #94A3B8; font-size: 0.9375rem; }
.cta-actions-right { display: flex; align-items: center; flex-wrap: wrap; gap: 1rem; }
.btn-primary-whatsapp {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: var(--whatsapp-green);
  color: #FFFFFF;
  font-weight: 700;
  font-size: 0.9375rem;
  padding: 0.75rem 1.4rem;
  border-radius: var(--radius-pill);
}
.btn-primary-whatsapp:hover { background: var(--whatsapp-hover); }
.btn-secondary-light {
  display: inline-flex;
  align-items: center;
  background: rgba(255, 255, 255, 0.08);
  color: #FFFFFF;
  font-weight: 600;
  font-size: 0.9375rem;
  padding: 0.75rem 1.4rem;
  border-radius: var(--radius-pill);
  border: 1px solid rgba(255, 255, 255, 0.15);
}

/* FOOTER */
.site-footer {
  background: #090D16;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  padding: 2rem 1.5rem;
  color: #64748B;
  font-size: 0.8125rem;
}
.footer-container {
  max-width: 1280px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
}
.footer-logo { font-weight: 800; color: #F8FAFC; font-size: 0.9375rem; }
.footer-note a { color: #CBD5E1; text-decoration: underline; }
.footer-links-side { display: flex; gap: 1.5rem; }
.footer-links-side a { color: #94A3B8; }
.footer-links-side a:hover { color: #FFFFFF; }

/* FLOATING CART (MOBILE) */
.floating-cart-bar {
  display: none;
  position: fixed;
  bottom: 20px;
  left: 20px;
  right: 20px;
  z-index: 45;
}
.btn-floating-cart {
  width: 100%;
  background: var(--text-main);
  color: #FFFFFF;
  padding: 0.9rem 1.25rem;
  border-radius: var(--radius-pill);
  display: flex;
  align-items: center;
  justify-content: space-between;
  box-shadow: var(--shadow-lg);
  font-weight: 700;
  font-size: 0.9375rem;
}
.float-cart-left, .float-cart-right { display: flex; align-items: center; gap: 0.6rem; }
.float-badge {
  background: var(--brand-red);
  color: #FFFFFF;
  font-size: 0.75rem;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}
.float-total { font-weight: 800; color: #FFFFFF; }

/* CART DRAWER */
.cart-backdrop, .modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(15, 23, 42, 0.6);
  backdrop-filter: blur(4px);
  z-index: 90;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-smooth);
}
.cart-backdrop.open, .modal-backdrop.open { opacity: 1; pointer-events: auto; }
.cart-drawer {
  position: fixed;
  top: 0;
  right: 0;
  width: 100%;
  max-width: 440px;
  height: 100%;
  background: #FFFFFF;
  z-index: 100;
  display: flex;
  flex-direction: column;
  transform: translateX(100%);
  transition: transform var(--transition-smooth);
  box-shadow: -8px 0 32px rgba(0, 0, 0, 0.12);
}
.cart-drawer.open { transform: translateX(0); }
.cart-header {
  padding: 1.25rem 1.5rem;
  border-bottom: 1px solid var(--border-light);
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.cart-header-title-wrap { display: flex; align-items: center; gap: 0.6rem; }
.cart-header-title-wrap h2 { font-size: 1.25rem; font-weight: 800; }
.items-count-tag {
  background: var(--bg-tertiary);
  color: var(--text-muted);
  font-size: 0.75rem;
  font-weight: 700;
  padding: 0.15rem 0.5rem;
  border-radius: var(--radius-pill);
}
.btn-close-modal {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
}
.btn-close-modal:hover { background: var(--bg-secondary); color: var(--text-main); }
.cart-body { flex: 1; overflow-y: auto; padding: 1.25rem 1.5rem; display: flex; flex-direction: column; }
.cart-empty-state { margin: auto; text-align: center; padding: 2rem 0; }
.cart-empty-icon {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: var(--bg-secondary);
  color: var(--text-subtle);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1rem;
}
.cart-empty-state h4 { font-size: 1.1rem; font-weight: 700; margin-bottom: 0.35rem; }
.cart-empty-state p { font-size: 0.875rem; color: var(--text-muted); margin-bottom: 1.25rem; }
.cart-items-list { list-style: none; display: flex; flex-direction: column; gap: 1rem; }
.cart-item-row { display: flex; gap: 1rem; padding-bottom: 1rem; border-bottom: 1px solid var(--border-subtle); }
.cart-item-thumb {
  width: 68px;
  height: 68px;
  border-radius: var(--radius-sm);
  background: var(--bg-secondary);
  border: 1px solid var(--border-light);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  padding: 0.5rem;
}
.cart-item-thumb svg { max-width: 80%; max-height: 80%; }
.cart-item-info { flex: 1; display: flex; flex-direction: column; }
.cart-item-brand { font-size: 0.6875rem; text-transform: uppercase; font-weight: 700; color: var(--text-subtle); }
.cart-item-title { font-size: 0.875rem; font-weight: 700; color: var(--text-main); line-height: 1.3; margin-bottom: 0.25rem; }
.cart-item-prices { display: flex; align-items: baseline; gap: 0.5rem; margin-bottom: 0.5rem; }
.cart-item-total { font-size: 0.9375rem; font-weight: 800; color: var(--text-main); }
.cart-item-unit-price { font-size: 0.75rem; color: var(--text-muted); }
.cart-item-actions { display: flex; align-items: center; justify-content: space-between; margin-top: auto; }
.cart-qty-control {
  display: flex;
  align-items: center;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-sm);
  background: var(--bg-secondary);
  height: 30px;
}
.cart-qty-btn {
  width: 26px;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--text-main);
}
.cart-qty-val {
  width: 32px;
  text-align: center;
  font-size: 0.8125rem;
  font-weight: 700;
  background: #FFFFFF;
  line-height: 30px;
  height: 30px;
}
.btn-remove-item { color: var(--text-subtle); font-size: 0.75rem; font-weight: 600; }
.btn-remove-item:hover { color: var(--brand-red); }

.cart-notes-box {
  margin-top: 1.5rem;
  background: var(--bg-secondary);
  padding: 1rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-light);
}
.notes-label {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--text-muted);
  margin-bottom: 0.4rem;
}
.cart-notes-box textarea {
  width: 100%;
  background: #FFFFFF;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-sm);
  padding: 0.5rem;
  font-size: 0.8125rem;
  color: var(--text-main);
  outline: none;
  resize: none;
}
.cart-notes-box textarea:focus { border-color: var(--brand-red); }

.cart-footer {
  padding: 1.25rem 1.5rem;
  border-top: 1px solid var(--border-light);
  background: #FFFFFF;
}
.cart-subtotal-row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  font-size: 1rem;
  color: var(--text-muted);
  margin-bottom: 0.5rem;
}
.cart-subtotal-row strong {
  font-size: 1.4rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--text-main);
}
.cart-shipping-notice {
  display: flex;
  align-items: flex-start;
  gap: 0.4rem;
  font-size: 0.75rem;
  color: var(--text-muted);
  background: var(--bg-secondary);
  padding: 0.5rem 0.75rem;
  border-radius: var(--radius-sm);
  margin-bottom: 1rem;
}
.cart-action-buttons { display: flex; flex-direction: column; gap: 0.6rem; }
.btn-checkout-whatsapp {
  width: 100%;
  background: var(--whatsapp-green);
  color: #FFFFFF;
  font-weight: 700;
  font-size: 0.9375rem;
  padding: 0.85rem;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
}
.btn-checkout-whatsapp:hover { background: var(--whatsapp-hover); }
.btn-clear-link { text-align: center; font-size: 0.75rem; color: var(--text-subtle); padding: 0.3rem; }
.btn-clear-link:hover { color: var(--brand-red); }

/* MODALS */
.product-modal, .checkout-modal {
  position: fixed;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%) scale(0.95);
  background: #FFFFFF;
  z-index: 100;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  width: 90%;
  max-width: 580px;
  max-height: 90vh;
  overflow-y: auto;
  opacity: 0;
  pointer-events: none;
  transition: all var(--transition-smooth);
}
.product-modal.open, .checkout-modal.open {
  transform: translate(-50%, -50%) scale(1);
  opacity: 1;
  pointer-events: auto;
}
.product-modal .btn-close-modal {
  position: absolute;
  top: 14px;
  right: 14px;
  z-index: 5;
  background: rgba(255, 255, 255, 0.8);
}
.product-modal-body { padding: 2rem; }
.modal-product-media {
  aspect-ratio: 16/10;
  background: var(--bg-secondary);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem;
  margin-bottom: 1.5rem;
}
.modal-product-media svg { max-width: 60%; max-height: 60%; }
.modal-badge-row { display: flex; gap: 0.5rem; margin-bottom: 0.75rem; }
.modal-product-title {
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--text-main);
  line-height: 1.25;
  margin-bottom: 0.5rem;
}
.modal-product-desc { font-size: 0.875rem; color: var(--text-muted); line-height: 1.6; margin-bottom: 1.25rem; }
.modal-details-table {
  background: var(--bg-secondary);
  border-radius: var(--radius-sm);
  padding: 1rem;
  margin-bottom: 1.5rem;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem;
  font-size: 0.8125rem;
}
.detail-item strong { display: block; color: var(--text-main); }
.detail-item span { color: var(--text-muted); }
.modal-actions-bar { display: flex; align-items: center; gap: 1rem; }

/* CHECKOUT MODAL */
.checkout-modal-header {
  padding: 1.25rem 1.5rem;
  border-bottom: 1px solid var(--border-light);
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.checkout-modal-header h3 { font-size: 1.15rem; font-weight: 800; }
.checkout-modal-body { padding: 1.5rem; }
.checkout-instruction { font-size: 0.875rem; color: var(--text-muted); margin-bottom: 1.25rem; }
.checkout-form { display: flex; flex-direction: column; gap: 1rem; }
.form-group { display: flex; flex-direction: column; gap: 0.35rem; }
.form-group label { font-size: 0.75rem; font-weight: 700; color: var(--text-main); }
.form-group input, .form-group select {
  border: 1px solid var(--border-light);
  border-radius: var(--radius-sm);
  padding: 0.65rem 0.85rem;
  font-size: 0.875rem;
  color: var(--text-main);
  background: var(--bg-secondary);
  outline: none;
}
.form-group input:focus, .form-group select:focus {
  border-color: var(--brand-red);
  background: #FFFFFF;
}
.form-row-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 0.75rem; }
.checkout-order-summary-box {
  background: var(--bg-secondary);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-sm);
  padding: 1rem;
  margin-top: 0.5rem;
}
.summary-line {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.9375rem;
  color: var(--text-muted);
  margin-bottom: 0.25rem;
}
.summary-line strong { font-size: 1.25rem; font-weight: 800; color: var(--text-main); }
.summary-disclaimer { font-size: 0.75rem; color: var(--text-subtle); line-height: 1.4; }
.btn-primary-whatsapp-large {
  width: 100%;
  background: var(--whatsapp-green);
  color: #FFFFFF;
  font-weight: 800;
  font-size: 1rem;
  padding: 0.9rem;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  margin-top: 0.5rem;
}
.btn-primary-whatsapp-large:hover { background: var(--whatsapp-hover); }

/* TOAST */
.toast-container {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 120;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  pointer-events: none;
}
.toast {
  background: var(--text-main);
  color: #FFFFFF;
  padding: 0.75rem 1.2rem;
  border-radius: var(--radius-pill);
  font-size: 0.875rem;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 0.6rem;
  box-shadow: var(--shadow-lg);
  pointer-events: auto;
}
.toast.toast-success { background: #0F172A; border-left: 4px solid var(--whatsapp-green); }
.toast.toast-info { background: #0F172A; border-left: 4px solid var(--brand-red); }

/* RESPONSIVE */
@media (max-width: 900px) {
  .hero-title { font-size: 2rem; }
  .showcase-cta-banner { flex-direction: column; align-items: flex-start; }
  .cta-actions-right { width: 100%; }
  .cta-actions-right a { flex: 1; justify-content: center; }
}
@media (max-width: 768px) {
  :root { --header-height: 68px; }
  .demo-banner { text-align: center; }
  .demo-banner-content { justify-content: center; }
  .demo-banner-text { flex-basis: 100%; order: 2; }
  .badge-pill { order: 1; }
  .demo-banner-actions { order: 3; }
  .brand-subtitle { display: none; }
  .btn-cart-nav-label { display: none; }
  .floating-cart-bar { display: block; }
  .catalog-controls-bar { flex-direction: column; align-items: stretch; }
  .filter-controls-group { justify-content: space-between; }
  .form-row-2 { grid-template-columns: 1fr; }
  .cart-drawer { max-width: 100%; }
}
@media (max-width: 480px) {
  .hero-title { font-size: 1.65rem; }
  .hero-description { font-size: 0.9375rem; }
  .products-grid { grid-template-columns: 1fr; }
  .showcase-title { font-size: 1.65rem; }
}

/* ==========================================================================
   PRODUCT PHOTOS & PLACEHOLDER STYLES
   ========================================================================== */
.product-photo-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-smooth);
}
.product-card:hover .product-photo-img {
  transform: scale(1.05);
}

.product-card-media {
  padding: 0 !important;
  background: var(--bg-tertiary) !important;
}

.modal-product-media {
  padding: 0 !important;
  background: var(--bg-tertiary) !important;
  overflow: hidden;
}

.cart-item-thumb {
  padding: 0 !important;
  overflow: hidden;
}

.cart-item-thumb .product-photo-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.photo-placeholder-box {
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, #F8FAFC 0%, #E2E8F0 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
  text-align: center;
}

.photo-placeholder-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.35rem;
  color: #64748B;
}

.placeholder-tag {
  font-size: 0.75rem;
  font-weight: 800;
  letter-spacing: 0.05em;
  color: #0F172A;
  background: #FFFFFF;
  padding: 0.25rem 0.6rem;
  border-radius: 6px;
  border: 1px solid #CBD5E1;
  box-shadow: 0 1px 3px rgba(0,0,0,0.05);
}

.placeholder-sub {
  font-size: 0.6875rem;
  font-weight: 500;
  color: #94A3B8;
}

.photo-placeholder-thumb {
  width: 100%;
  height: 100%;
  background: #E2E8F0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.625rem;
  font-weight: 800;
  color: #64748B;
  letter-spacing: 0.05em;
}