/* ═══════════════════════════════════════════════════════════
   ErgoFit — Sistema de Diseño
   ═══════════════════════════════════════════════════════════ */

/* ── CSS Custom Properties ─────────────────────────────── */
:root {
  /* Modo Oficina (claro) */
  --bg: #F7F5F2;
  --surface: #FFFFFF;
  --surface-hover: #F0EDE8;
  --accent: #2D7D6A;
  --accent-soft: #E8F3F0;
  --accent-dark: #1F5C4D;
  --ink: #1A1A2E;
  --ink-secondary: #4A4A5E;
  --muted: #6B7280;
  --border: #E5E0D8;
  --shadow-sm: 0 1px 3px rgba(26,26,46,0.06);
  --shadow-md: 0 4px 12px rgba(26,26,46,0.08);
  --shadow-lg: 0 12px 40px rgba(26,26,46,0.12);
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --accent-gradient: linear-gradient(135deg, #2D7D6A 0%, #3AA884 100%);
  --mode-accent: var(--accent);
  --mode-accent-soft: var(--accent-soft);
  --mode-shadow: var(--shadow-md);
}

/* Modo Gaming */
[data-mode="gaming"] {
  --bg: #0F0F1A;
  --surface: #1A1A2E;
  --surface-hover: #242445;
  --accent: #00F0FF;
  --accent-soft: rgba(0,240,255,0.08);
  --accent-dark: #00C4D1;
  --ink: #F0F0F5;
  --ink-secondary: #B0B0C5;
  --muted: #8888A0;
  --border: #2A2A45;
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.3);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.4);
  --shadow-lg: 0 12px 40px rgba(0,0,0,0.5);
  --accent-gradient: linear-gradient(135deg, #00F0FF 0%, #FF2D78 100%);
  --mode-accent: var(--accent);
  --mode-accent-soft: var(--accent-soft);
  --mode-shadow: var(--shadow-md);
}

/* ── Reset & Base ──────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html {
  scroll-behavior: smooth;
  scroll-padding-top: 80px;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background: var(--bg);
  color: var(--ink);
  line-height: 1.6;
  transition: background-color 0.6s ease, color 0.6s ease;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; height: auto; display: block; }
a { color: var(--accent); text-decoration: none; transition: color 0.2s; }
a:hover { color: var(--accent-dark); }
ul { list-style: none; }
button { cursor: pointer; font-family: inherit; border: none; background: none; }

/* ── Typography ────────────────────────────────────────── */
h1, h2, h3, h4 { line-height: 1.2; font-weight: 700; letter-spacing: -0.02em; }
h1 { font-size: clamp(2.2rem, 5vw, 4rem); }
h2 { font-size: clamp(1.6rem, 3.5vw, 2.8rem); margin-bottom: 0.5rem; }
h3 { font-size: clamp(1.1rem, 2vw, 1.5rem); }
p { max-width: 65ch; }
.section-subtitle {
  color: var(--muted);
  font-size: 1.05rem;
  margin-bottom: 2.5rem;
}

.mono { font-family: 'JetBrains Mono', monospace; }

/* ── Layout ────────────────────────────────────────────── */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

section {
  padding: 4rem 0;
}

.section-header {
  text-align: center;
  margin-bottom: 2.5rem;
}

/* ── Navbar ────────────────────────────────────────────── */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(247,245,242,0.90);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  transition: background-color 0.6s ease, border-color 0.6s ease;
}

[data-mode="gaming"] .navbar {
  background: rgba(15,15,26,0.92);
}

.navbar .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

.navbar-actions {
  display: flex;
  align-items: center;
  gap: 6px;
}

/* Cart button */
.cart-btn {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--surface);
  border: 1px solid var(--border);
  font-size: 1.15rem;
  transition: all 0.2s;
  cursor: pointer;
}
.cart-btn:hover {
  border-color: var(--accent);
  background: var(--accent-soft);
}
.cart-count {
  position: absolute;
  top: -4px;
  right: -4px;
  min-width: 18px;
  height: 18px;
  border-radius: 9px;
  background: #E53E3E;
  color: white;
  font-size: 0.65rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0 4px;
  font-family: 'JetBrains Mono', monospace;
  transition: transform 0.2s;
}
.cart-count.bump { transform: scale(1.3); }

.navbar .logo {
  font-size: 1.3rem;
  font-weight: 800;
  color: var(--ink);
  display: flex;
  align-items: center;
  gap: 8px;
}

.navbar .logo mark {
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.navbar nav {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.navbar nav a {
  color: var(--ink-secondary);
  font-size: 0.9rem;
  font-weight: 500;
  position: relative;
}
.navbar nav a:hover { color: var(--accent); }
.navbar nav a::after {
  content: '';
  position: absolute;
  bottom: -4px; left: 0; right: 0;
  height: 2px;
  background: var(--accent-gradient);
  transform: scaleX(0);
  transition: transform 0.3s;
}
.navbar nav a:hover::after { transform: scaleX(1); }

/* Modo Toggle */
.mode-toggle {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 5px 12px;
  border-radius: 20px;
  border: 1.5px solid var(--border);
  background: var(--surface);
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--ink-secondary);
  transition: all 0.3s;
}
.mode-toggle:hover {
  border-color: var(--accent);
  color: var(--accent);
}
.mode-toggle .indicator {
  width: 18px; height: 18px;
  border-radius: 50%;
  background: var(--accent-gradient);
  transition: transform 0.3s;
}
[data-mode="gaming"] .mode-toggle .indicator {
  transform: translateX(4px);
}

/* Hamburger (mobile) */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 4px;
  padding: 8px;
  cursor: pointer;
}
.hamburger span {
  width: 22px; height: 2.5px;
  background: var(--ink);
  border-radius: 2px;
  transition: all 0.3s;
}

/* ── Hero ──────────────────────────────────────────────── */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: 80px;
  padding-bottom: 2rem;
  overflow: hidden;
  position: relative;
}

.hero .container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
}

.hero-content h1 mark {
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-content p {
  font-size: 1.1rem;
  color: var(--ink-secondary);
  margin: 1rem 0 2rem;
}

/* Posture Score */
.posture-score {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  border-radius: var(--radius-sm);
  background: var(--accent-soft);
  margin-bottom: 1rem;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--accent-dark);
}
.posture-score .score-value {
  font-family: 'JetBrains Mono', monospace;
  font-size: 1.2rem;
  font-weight: 700;
  min-width: 3ch;
  text-align: center;
}

/* Tooltip explicativo del score de postura */
.posture-tooltip {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--accent);
  color: white;
  font-size: 0.7rem;
  font-weight: 700;
  cursor: help;
  margin-left: 2px;
}
.posture-tooltip:focus { outline: 2px solid var(--accent-dark); outline-offset: 2px; }
.posture-tooltip .tooltip-bubble {
  position: absolute;
  bottom: calc(100% + 10px);
  left: 50%;
  transform: translateX(-50%) translateY(4px);
  width: 230px;
  padding: 10px 12px;
  border-radius: var(--radius-sm);
  background: var(--ink);
  color: #fff;
  font-size: 0.78rem;
  font-weight: 500;
  line-height: 1.4;
  letter-spacing: 0;
  text-align: left;
  box-shadow: var(--shadow-lg);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s, transform 0.2s;
  z-index: 20;
}
.posture-tooltip .tooltip-bubble::after {
  content: '';
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%);
  border: 6px solid transparent;
  border-top-color: var(--ink);
}
.posture-tooltip:hover .tooltip-bubble,
.posture-tooltip:focus .tooltip-bubble {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}
[data-mode="gaming"] .posture-tooltip { color: var(--bg); }
[data-mode="gaming"] .posture-tooltip .tooltip-bubble { background: var(--surface); border: 1px solid var(--border); }
[data-mode="gaming"] .posture-tooltip .tooltip-bubble::after { border-top-color: var(--surface); }

/* Hero Visual (SVG) */
.hero-visual {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
}

.hero-svg-container {
  width: 100%;
  max-width: 450px;
  position: relative;
}

.hero-svg-container svg {
  width: 100%;
  height: auto;
}

.hero-products {
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 100%;
  pointer-events: none;
}

.hero-product-badge {
  position: absolute;
  opacity: 0;
  transform: translateY(15px);
  transition: all 0.5s ease;
  background: var(--surface);
  border-radius: var(--radius-sm);
  padding: 6px 12px;
  box-shadow: var(--shadow-md);
  font-size: 0.8rem;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 6px;
  white-space: nowrap;
}
.hero-product-badge.visible {
  opacity: 1;
  transform: translateY(0);
}
.hero-product-badge .dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--accent);
}

.hero-product-badge.badge-cojin   { top: 25%; left: -10%; }
.hero-product-badge.badge-soporte { top: 55%; right: -5%; }
.hero-product-badge.badge-corrector { bottom: 20%; left: 5%; }

/* CTA Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 28px;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 0.95rem;
  transition: all 0.3s;
}
.btn-primary {
  background: var(--accent-gradient);
  color: white !important;
  box-shadow: 0 4px 14px rgba(45,125,106,0.3);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(45,125,106,0.4);
}
[data-mode="gaming"] .btn-primary {
  box-shadow: 0 4px 14px rgba(0,240,255,0.3);
}
[data-mode="gaming"] .btn-primary:hover {
  box-shadow: 0 6px 20px rgba(0,240,255,0.4);
}
.btn-secondary {
  background: var(--surface);
  color: var(--ink) !important;
  border: 1.5px solid var(--border);
}
.btn-secondary:hover {
  border-color: var(--accent);
  transform: translateY(-2px);
}
.btn-ghost {
  color: var(--ink-secondary) !important;
  padding: 8px 16px;
}
.btn-ghost:hover { color: var(--accent) !important; }

.hero-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

/* ── Pain Map ──────────────────────────────────────────── */
.pain-map-wrapper {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
  align-items: start;
}

.pain-silhouette {
  position: relative;
  max-width: 300px;
  margin: 0 auto;
}

.pain-silhouette svg {
  width: 100%;
  height: auto;
}

.pain-zone {
  cursor: pointer;
  fill: var(--accent-soft);
  stroke: var(--accent);
  stroke-width: 1.5;
  transition: fill 0.25s ease, stroke 0.25s ease, stroke-width 0.25s ease, opacity 0.25s ease;
}
@keyframes painPulse {
  0%, 100% { stroke-opacity: 0.5; }
  50%      { stroke-opacity: 1; }
}
.pain-zone[data-active="true"] { animation: painPulse 2.4s ease-in-out infinite; }
.pain-zone:hover {
  fill: var(--accent);
  fill-opacity: 0.45;
  stroke-width: 2.5;
}
.pain-zone.active {
  fill: var(--accent) !important;
  fill-opacity: 1 !important;
  stroke: var(--accent-dark) !important;
  stroke-width: 3 !important;
  opacity: 1 !important;
  animation: none;
  filter: drop-shadow(0 0 6px var(--accent));
}
.pain-zone.inactive { opacity: 0.2; animation: none; }

.pain-products {
  background: var(--surface);
  border-radius: var(--radius-md);
  padding: 2rem;
  border: 1px solid var(--border);
  min-height: 250px;
  transition: all 0.3s;
}

.pain-products .pain-placeholder {
  color: var(--muted);
  text-align: center;
  padding: 3rem 0;
  font-size: 0.95rem;
}

.pain-products .pain-result h3 {
  font-size: 1.1rem;
  margin-bottom: 0.3rem;
}
.pain-products .pain-result .pain-tip {
  color: var(--ink-secondary);
  font-size: 0.9rem;
  margin-bottom: 1rem;
  line-height: 1.5;
}
.pain-products .pain-result .pain-product-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.pain-products .pain-result .pain-product-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 14px;
  background: var(--accent-soft);
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  font-weight: 500;
  transition: all 0.2s;
}
.pain-products .pain-result .pain-product-item:hover {
  transform: translateX(4px);
}

/* ── Products Grid ─────────────────────────────────────── */
.products-controls {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
  margin-bottom: 2rem;
}
.products-filter {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  justify-content: center;
}
.products-sort {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.85rem;
  color: var(--muted);
}
.products-sort label { font-weight: 500; white-space: nowrap; }
.products-sort select {
  font-family: inherit;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--ink-secondary);
  padding: 8px 14px;
  border-radius: 20px;
  border: 1.5px solid var(--border);
  background: var(--surface);
  cursor: pointer;
  transition: all 0.2s;
}
.products-sort select:hover { border-color: var(--accent); color: var(--accent); }
.products-sort select:focus { outline: none; border-color: var(--accent); }
.filter-btn {
  padding: 8px 18px;
  border-radius: 20px;
  border: 1.5px solid var(--border);
  background: var(--surface);
  color: var(--ink-secondary);
  font-size: 0.85rem;
  font-weight: 500;
  transition: all 0.2s;
}
.filter-btn:hover { border-color: var(--accent); color: var(--accent); }
.filter-btn.active {
  background: var(--accent-gradient);
  color: white;
  border-color: transparent;
}

.products-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 1.5rem;
}

.product-card {
  background: var(--surface);
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
  padding: 1.5rem;
  transition: all 0.3s;
  position: relative;
  cursor: pointer;
}
.product-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.product-card .product-badge {
  position: absolute;
  top: 12px; right: 12px;
  padding: 3px 10px;
  border-radius: 12px;
  background: var(--accent-gradient);
  color: white;
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.5px;
  text-transform: uppercase;
}

/* Placeholder visual de producto: gradiente suave + icono + nombre */
.product-image {
  position: relative;
  width: 100%;
  height: 160px;
  border-radius: var(--radius-sm);
  margin-bottom: 1rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 8px;
  overflow: hidden;
  transition: all 0.3s;
  background: linear-gradient(135deg, var(--accent-soft) 0%, #D4EBE4 100%);
  border: 1px solid var(--border);
}
.product-image[data-cat="ergonomia"]  { background: linear-gradient(135deg, #E8F3F0 0%, #C9E7DE 100%); }
.product-image[data-cat="escritorio"] { background: linear-gradient(135deg, #EEF4F1 0%, #D8EBE3 100%); }
.product-image[data-cat="gaming"]     { background: linear-gradient(135deg, #E6F0EF 0%, #CDE8E1 100%); }
.product-image[data-cat="accesorios"] { background: linear-gradient(135deg, #EDF3F0 0%, #D2E9E1 100%); }
.product-image[data-cat="kits"]       { background: linear-gradient(135deg, #E4F2ED 0%, #C4E5DB 100%); }
[data-mode="gaming"] .product-image,
[data-mode="gaming"] .product-image[data-cat] {
  background: linear-gradient(135deg, #161630 0%, #1F2340 100%);
  border-color: var(--border);
}
.product-image .product-image-icon {
  font-size: 3.2rem;
  line-height: 1;
  filter: drop-shadow(0 2px 4px rgba(26,26,46,0.10));
}
.product-image .product-image-name {
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--accent-dark);
  text-align: center;
  padding: 0 12px;
  max-width: 100%;
  line-height: 1.25;
  letter-spacing: -0.01em;
}
[data-mode="gaming"] .product-image .product-image-name { color: var(--ink-secondary); }
.product-card:hover .product-image { transform: scale(1.02); }

.product-card .product-category {
  font-size: 0.75rem;
  color: var(--accent);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 4px;
}

.product-card h3 { font-size: 1rem; margin-bottom: 4px; font-weight: 600; }

/* Sistema de valoración (estrellas fraccionadas) */
.product-rating {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-top: 4px;
  font-size: 0.78rem;
}
.stars {
  --rating: 0;
  display: inline-block;
  position: relative;
  font-size: 0.95rem;
  line-height: 1;
  font-family: 'Inter', sans-serif;
  white-space: nowrap;
}
.stars::before {
  content: "★★★★★";
  color: var(--border);
}
.stars::after {
  content: "★★★★★";
  color: #F5A623;
  position: absolute;
  top: 0;
  left: 0;
  width: calc(var(--rating) / 5 * 100%);
  overflow: hidden;
}
.product-rating .rating-value { font-weight: 700; color: var(--ink); }
.product-rating .rating-count { color: var(--muted); }

/* Badge de envío */
.shipping-badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  margin-top: 8px;
  padding: 3px 10px;
  border-radius: 20px;
  background: var(--accent-soft);
  color: var(--accent-dark);
  font-size: 0.72rem;
  font-weight: 600;
}
[data-mode="gaming"] .shipping-badge { color: var(--accent); }

.product-card .product-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 0.8rem;
}
.product-card .product-price {
  font-family: 'JetBrains Mono', monospace;
  font-weight: 700;
  font-size: 1.2rem;
  color: var(--ink);
}

/* CTA doble: Ver producto + Añadir al carrito */
.product-card .product-actions {
  display: flex;
  gap: 8px;
  margin-top: 12px;
  padding-top: 12px;
  border-top: 1px solid var(--border);
}
.product-card .product-view {
  flex: 1;
  text-align: center;
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  border: 1.5px solid var(--border);
  background: var(--surface);
  color: var(--ink-secondary) !important;
  font-size: 0.8rem;
  font-weight: 600;
  transition: all 0.2s;
}
.product-card .product-view:hover {
  border-color: var(--accent);
  color: var(--accent) !important;
}
.product-card .product-buy {
  flex: 1;
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  background: var(--accent-gradient);
  color: white !important;
  font-size: 0.8rem;
  font-weight: 600;
  transition: all 0.2s;
}
.product-card .product-buy:hover {
  transform: scale(1.03);
}

.product-card .video-indicator {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 0.75rem;
  color: var(--muted);
  margin-top: 6px;
}

/* ── Setup Builder ─────────────────────────────────────── */
.setup-builder {
  background: var(--surface);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  overflow: hidden;
}

.setup-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
}

.setup-workspace {
  padding: 2rem;
  min-height: 400px;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}

.setup-workspace-placeholder {
  text-align: center;
  color: var(--muted);
}
.setup-workspace-placeholder .big-icon { font-size: 4rem; margin-bottom: 1rem; }

.setup-cart {
  padding: 2rem;
  border-left: 1px solid var(--border);
  display: flex;
  flex-direction: column;
}

.setup-cart h3 { margin-bottom: 1rem; display: flex; justify-content: space-between; }

.setup-cart-items {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 8px;
  min-height: 120px;
}

.setup-cart-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 12px;
  background: var(--accent-soft);
  border-radius: var(--radius-sm);
  font-size: 0.85rem;
  animation: slideIn 0.3s ease;
}
@keyframes slideIn {
  from { opacity: 0; transform: translateX(20px); }
  to   { opacity: 1; transform: translateX(0); }
}
.setup-cart-item .remove-btn {
  width: 24px; height: 24px;
  border-radius: 50%;
  background: rgba(255,0,0,0.1);
  color: #E53E3E;
  font-size: 1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s;
}
.setup-cart-item .remove-btn:hover { background: #E53E3E; color: white; }

.setup-total {
  border-top: 1px solid var(--border);
  padding-top: 1rem;
  margin-top: auto;
}
.setup-total .total-row {
  display: flex;
  justify-content: space-between;
  font-size: 0.9rem;
  margin-bottom: 4px;
}
.setup-total .total-row.grand {
  font-weight: 700;
  font-size: 1.1rem;
  margin-top: 8px;
  padding-top: 8px;
  border-top: 1px solid var(--border);
}
.setup-total .ergo-score {
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 12px 0;
  padding: 8px 12px;
  background: var(--accent-soft);
  border-radius: var(--radius-sm);
  font-size: 0.85rem;
  font-weight: 500;
}
.setup-total .ergo-score .score-bar {
  flex: 1;
  height: 6px;
  background: var(--border);
  border-radius: 3px;
  overflow: hidden;
}
.setup-total .ergo-score .score-bar-fill {
  height: 100%;
  border-radius: 3px;
  background: var(--accent-gradient);
  transition: width 0.5s ease;
}

.setup-products-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 10px;
  margin-bottom: 1rem;
}

.setup-product-chip {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 12px;
  border-radius: var(--radius-sm);
  border: 1.5px solid var(--border);
  background: var(--bg);
  font-size: 0.8rem;
  font-weight: 500;
  transition: all 0.2s;
  cursor: pointer;
}
.setup-product-chip:hover { border-color: var(--accent); }
.setup-product-chip.added {
  border-color: var(--accent);
  background: var(--accent-soft);
}

/* ── Kits Comparador ────────────────────────────────── */
.kits-comparator {
  display: flex;
  gap: 1rem;
  overflow-x: auto;
  padding-bottom: 1rem;
  scroll-snap-type: x mandatory;
}

.kit-card {
  min-width: 260px;
  flex-shrink: 0;
  scroll-snap-align: start;
  background: var(--surface);
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
  padding: 1.5rem;
  transition: all 0.3s;
  position: relative;
}
.kit-card.featured {
  border-color: var(--accent);
  box-shadow: var(--shadow-md);
}
.kit-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.kit-card .kit-badge {
  position: absolute; top: -10px; left: 50%;
  transform: translateX(-50%);
  background: var(--accent-gradient);
  color: white;
  padding: 4px 14px;
  border-radius: 12px;
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  white-space: nowrap;
}
.kit-card .kit-name { font-size: 1.1rem; font-weight: 700; margin-bottom: 4px; }
.kit-card .kit-price { font-family: 'JetBrains Mono', monospace; font-size: 1.5rem; font-weight: 700; color: var(--accent); }
.kit-card .kit-ahorro { font-size: 0.8rem; color: var(--accent); font-weight: 600; margin-bottom: 1rem; }
.kit-card .kit-items { margin-bottom: 1rem; }
.kit-card .kit-item {
  padding: 6px 0;
  font-size: 0.85rem;
  color: var(--ink-secondary);
  display: flex;
  align-items: center;
  gap: 8px;
}
.kit-card .kit-item::before { content: '✓'; color: var(--accent); font-weight: 700; }
.kit-card .kit-for { font-size: 0.8rem; color: var(--muted); font-style: italic; }

/* ── TikTok Section ──────────────────────────────────── */
.tiktok-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 1rem;
}

.tiktok-video-card {
  aspect-ratio: 9/16;
  background: var(--surface);
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 8px;
  color: var(--muted);
  font-size: 0.85rem;
  transition: all 0.3s;
  cursor: pointer;
  overflow: hidden;
}
.tiktok-video-card:hover {
  border-color: var(--accent);
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}
.tiktok-video-card .play-icon { font-size: 2.5rem; }
.tiktok-video-card .product-name { font-weight: 600; color: var(--ink-secondary); text-align: center; padding: 0 8px; }

/* ── Quiz CTA ─────────────────────────────────────────── */
.quiz-cta {
  background: var(--surface);
  border-radius: var(--radius-lg);
  text-align: center;
  padding: 4rem 2rem;
  border: 1px solid var(--border);
  position: relative;
  overflow: hidden;
}
.quiz-cta::before {
  content: '';
  position: absolute; top: 0; left: 0; right: 0;
  height: 4px;
  background: var(--accent-gradient);
}
.quiz-cta h2 { margin-bottom: 0.5rem; }
.quiz-cta p { margin: 0 auto 2rem; }
.quiz-cta .btn { font-size: 1.05rem; padding: 14px 36px; }

/* ── Footer ───────────────────────────────────────────── */
footer {
  border-top: 1px solid var(--border);
  padding: 3rem 0;
  margin-top: 2rem;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 2rem;
}
footer h4 { font-size: 0.95rem; margin-bottom: 1rem; }
footer p, footer a { font-size: 0.85rem; color: var(--muted); }
footer a:hover { color: var(--accent); }
footer .footer-social { display: flex; gap: 12px; margin-top: 1rem; }
footer .footer-social a {
  width: 36px; height: 36px;
  border-radius: 50%;
  background: var(--surface);
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  transition: all 0.2s;
}
footer .footer-social a:hover {
  background: var(--accent);
  border-color: var(--accent);
  color: white;
}
footer .footer-bottom {
  border-top: 1px solid var(--border);
  margin-top: 2rem;
  padding-top: 1.5rem;
  text-align: center;
  font-size: 0.8rem;
  color: var(--muted);
}

/* ── Scroll Animations ────────────────────────────────── */
.scroll-reveal {
  opacity: 1;
  transform: none;
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.scroll-reveal.animate {
  opacity: 0;
  transform: translateY(30px);
}
.scroll-reveal.animate.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ── Easter Egg ───────────────────────────────────────── */
.stretch-overlay {
  position: fixed;
  inset: 0;
  z-index: 9999;
  background: rgba(0,0,0,0.5);
  backdrop-filter: blur(8px);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.4s;
}
.stretch-overlay.active {
  opacity: 1;
  pointer-events: all;
}
.stretch-overlay .stretch-card {
  background: var(--surface);
  padding: 2.5rem;
  border-radius: var(--radius-lg);
  text-align: center;
  max-width: 400px;
}
.stretch-overlay .stretch-card .icon { font-size: 4rem; margin-bottom: 1rem; }
.stretch-overlay .stretch-card h3 { margin-bottom: 0.5rem; }
.stretch-overlay .stretch-card p { color: var(--muted); margin-bottom: 1.5rem; }

/* ── Product Detail Modal ─────────────────────────────── */
.product-modal {
  position: fixed;
  inset: 0;
  z-index: 9998;
  background: rgba(0,0,0,0.5);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s;
}
.product-modal.active { opacity: 1; pointer-events: all; }
.product-modal .product-modal-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 2rem;
  max-width: 440px;
  width: 100%;
  position: relative;
  box-shadow: var(--shadow-lg);
  transform: translateY(12px) scale(0.98);
  transition: transform 0.3s;
}
.product-modal.active .product-modal-card { transform: none; }
.product-modal .product-modal-close {
  position: absolute;
  top: 12px; right: 14px;
  width: 32px; height: 32px;
  border-radius: 50%;
  background: var(--bg);
  color: var(--ink-secondary);
  font-size: 1.3rem;
  line-height: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s;
}
.product-modal .product-modal-close:hover { background: var(--surface-hover); color: var(--ink); }
.product-modal .product-modal-image {
  height: 180px;
  border-radius: var(--radius-md);
  margin-bottom: 1rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background: linear-gradient(135deg, var(--accent-soft) 0%, #D4EBE4 100%);
}
.product-modal .product-modal-image[data-cat="ergonomia"]  { background: linear-gradient(135deg, #E8F3F0 0%, #C9E7DE 100%); }
.product-modal .product-modal-image[data-cat="escritorio"] { background: linear-gradient(135deg, #EEF4F1 0%, #D8EBE3 100%); }
.product-modal .product-modal-image[data-cat="gaming"]     { background: linear-gradient(135deg, #E6F0EF 0%, #CDE8E1 100%); }
.product-modal .product-modal-image[data-cat="accesorios"] { background: linear-gradient(135deg, #EDF3F0 0%, #D2E9E1 100%); }
.product-modal .product-modal-image[data-cat="kits"]       { background: linear-gradient(135deg, #E4F2ED 0%, #C4E5DB 100%); }
[data-mode="gaming"] .product-modal .product-modal-image { background: linear-gradient(135deg, #161630 0%, #1F2340 100%); }
.product-modal .product-modal-image .product-image-icon { font-size: 3.6rem; }
.product-modal .product-modal-image .product-image-name {
  font-size: 0.85rem; font-weight: 600; color: var(--accent-dark); text-align: center; padding: 0 12px;
}
[data-mode="gaming"] .product-modal .product-modal-image .product-image-name { color: var(--ink-secondary); }
.product-modal .product-modal-category {
  font-size: 0.75rem; color: var(--accent); font-weight: 600;
  text-transform: uppercase; letter-spacing: 0.5px; margin-bottom: 4px;
}
.product-modal h3 { font-size: 1.3rem; margin-bottom: 6px; }
.product-modal .product-modal-rating { margin-bottom: 10px; }
.product-modal .product-modal-desc { font-size: 0.9rem; color: var(--ink-secondary); margin-bottom: 1.2rem; }
.product-modal .product-modal-footer {
  display: flex; align-items: center; justify-content: space-between; gap: 12px;
}
.product-modal .product-modal-footer .btn { justify-content: center; }
.product-modal .product-modal-shipping {
  margin-top: 12px; font-size: 0.78rem; color: var(--muted); text-align: center;
}

/* ── Cart Sidebar ─────────────────────────────────────── */
.cart-sidebar {
  position: fixed;
  top: 0;
  right: 0;
  bottom: 0;
  width: 380px;
  max-width: 100vw;
  z-index: 10001;
  background: var(--surface);
  border-left: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  transform: translateX(100%);
  transition: transform 0.35s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: var(--shadow-lg);
}
.cart-sidebar.open { transform: translateX(0); }
.cart-sidebar-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.2rem 1.5rem;
  border-bottom: 1px solid var(--border);
}
.cart-sidebar-header h3 { font-size: 1.05rem; margin: 0; }
.cart-sidebar-close {
  width: 32px; height: 32px;
  border-radius: 50%;
  background: var(--bg);
  color: var(--ink-secondary);
  font-size: 1.3rem;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s;
}
.cart-sidebar-close:hover { background: var(--surface-hover); color: var(--ink); }
.cart-sidebar-items {
  flex: 1;
  overflow-y: auto;
  padding: 0.5rem 1rem;
}
.cart-sidebar-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 8px;
  border-bottom: 1px solid var(--border);
  font-size: 0.85rem;
}
.cart-sidebar-item-icon { font-size: 1.5rem; }
.cart-sidebar-item-info { flex: 1; }
.cart-sidebar-item-name { font-weight: 600; color: var(--ink); }
.cart-sidebar-item-price { color: var(--muted); font-size: 0.8rem; }
.cart-sidebar-item-remove {
  width: 24px; height: 24px;
  border-radius: 50%;
  background: rgba(255,0,0,0.08);
  color: #E53E3E;
  font-size: 0.9rem;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s;
}
.cart-sidebar-item-remove:hover { background: #E53E3E; color: white; }
.cart-sidebar-footer {
  padding: 1rem 1.5rem;
  border-top: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.cart-sidebar-total {
  display: flex;
  justify-content: space-between;
  font-weight: 600;
  font-size: 1rem;
}

/* Cart toast */
.cart-toast {
  position: fixed;
  bottom: 80px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 9999;
  background: var(--ink);
  color: #fff;
  padding: 12px 24px;
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-lg);
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.9rem;
  font-weight: 500;
  animation: toastIn 0.3s ease;
}
@keyframes toastIn {
  from { opacity: 0; transform: translateX(-50%) translateY(20px); }
  to   { opacity: 1; transform: translateX(-50%) translateY(0); }
}

/* Cart overlay */
.cart-overlay {
  position: fixed;
  inset: 0;
  z-index: 10000;
  background: rgba(0,0,0,0.4);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s;
}
.cart-overlay.active { opacity: 1; pointer-events: all; }

/* ── Hours Counter ────────────────────────────────────── */
.hours-counter {
  position: fixed;
  bottom: 20px; right: 20px;
  z-index: 900;
  padding: 10px 16px;
  border-radius: var(--radius-sm);
  background: var(--surface);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-md);
  font-size: 0.8rem;
  transition: opacity 0.5s;
}
.hours-counter .hours-number {
  font-family: 'JetBrains Mono', monospace;
  font-weight: 700;
  color: var(--accent);
}

/* ── Responsive ───────────────────────────────────────── */
@media (max-width: 900px) {
  .hero .container { grid-template-columns: 1fr; text-align: center; }
  .hero-actions { justify-content: center; }
  .hero-visual { order: -1; max-width: 280px; margin: 0 auto; }
  .hero { min-height: auto; padding: 80px 0 1.5rem; }
  .hero-svg-container { max-width: 220px; }
  .posture-score { font-size: 0.75rem; padding: 5px 12px; }
  .pain-map-wrapper { grid-template-columns: 1fr; }
  .setup-layout { grid-template-columns: 1fr; }
  .setup-cart { border-left: none; border-top: 1px solid var(--border); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .navbar nav {
    display: none;
    position: absolute;
    top: 64px;
    left: 0;
    right: 0;
    background: var(--bg);
    padding: 0.5rem 20px 1rem;
    border-bottom: 1px solid var(--border);
    flex-direction: column;
    align-items: flex-start;
    gap: 0;
    z-index: 999;
  }
  .navbar nav.open { display: flex; }
  .navbar nav a, .navbar nav .mode-toggle {
    display: flex !important;
    width: 100%;
    padding: 10px 0;
    border-bottom: 1px solid var(--border);
  }
  .navbar nav .mode-toggle { margin-top: 6px; border-bottom: none; justify-content: center; }
  .hamburger { display: flex; }
}

@media (max-width: 600px) {
  section { padding: 2.5rem 0; }
  .products-grid { grid-template-columns: 1fr 1fr; gap: 0.8rem; }
  .product-card { padding: 1rem; }
  .product-card .product-image { height: 120px; font-size: 2.5rem; }
  .setup-products-list { grid-template-columns: 1fr; }
  .kit-card { min-width: 220px; }
  .footer-grid { grid-template-columns: 1fr; }
  .hours-counter { bottom: 10px; right: 10px; font-size: 0.75rem; }
}

@media (max-width: 400px) {
  .products-grid { grid-template-columns: 1fr; }
}

/* ── Reduced Motion ───────────────────────────────────── */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  html { scroll-behavior: auto; }
  .scroll-reveal { opacity: 1; transform: none; }
  .product-card:hover { transform: none; }
}