/* ==========================================================================
   KAZAN GLOBAL TRADE · MODELO 2: INMERSIVO 3D (THREE.JS)
   SimCodec · Rediseño Web Corporativo
   ========================================================================== */

/* Fuentes locales WOFF2 */
@font-face {
  font-family: 'Inter';
  src: url('fonts/inter-400-normal.woff2') format('woff2');
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: 'Inter';
  src: url('fonts/inter-500-normal.woff2') format('woff2');
  font-weight: 500;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: 'Inter';
  src: url('fonts/inter-600-normal.woff2') format('woff2');
  font-weight: 600;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: 'Inter Tight';
  src: url('fonts/inter-tight-700-normal.woff2') format('woff2');
  font-weight: 700;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: 'Inter Tight';
  src: url('fonts/inter-tight-800-normal.woff2') format('woff2');
  font-weight: 800;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: 'Instrument Serif';
  src: url('fonts/instrument-serif-400-italic.woff2') format('woff2');
  font-weight: 400;
  font-style: italic;
  font-display: swap;
}

/* Variables de diseño */
:root {
  --navy-deep: #000024;
  --navy: #000035;
  --navy-surface: #060b24;
  --navy-card: rgba(8, 14, 46, 0.92);
  --navy-card-border: rgba(208, 167, 85, 0.22);
  --oro: #D0A755;
  --oro-brillante: #E8C172;
  --oro-tenue: rgba(208, 167, 85, 0.12);
  --oro-glow: rgba(208, 167, 85, 0.35);
  --crema: #f6f3ec;
  --blanco: #ffffff;
  --texto-principal: #f0edf6;
  --texto-secundario: #b8b9cb;
  --texto-apagado: #84869e;
  --linea-sutil: rgba(255, 255, 255, 0.1);
  --linea-oro: rgba(208, 167, 85, 0.3);

  --f-texto: 'Inter', system-ui, -apple-system, sans-serif;
  --f-titulo: 'Inter Tight', 'Inter', system-ui, sans-serif;
  --f-italica: 'Instrument Serif', Georgia, serif;

  --gutter: clamp(18px, 4vw, 48px);
  --max-w: 1280px;
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 24px;
  --trans-suave: cubic-bezier(0.16, 1, 0.3, 1);
}

/* Reset y caja */
*, *::before, *::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: auto;
  -webkit-text-size-adjust: 100%;
  background-color: var(--navy-deep);
  color: var(--texto-principal);
}

@view-transition {
  navigation: auto;
}

::view-transition-old(root),
::view-transition-new(root) {
  animation-duration: 0.4s;
  animation-timing-function: var(--trans-suave);
}

body {
  margin: 0;
  font-family: var(--f-texto);
  font-size: 1rem;
  line-height: 1.65;
  color: var(--texto-principal);
  background-color: var(--navy-deep);
  overflow-x: hidden;
  position: relative;
}

img {
  display: block;
  max-width: 100%;
  height: auto;
}

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

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

h1, h2, h3, h4, p, ul, ol, dl, dd, figure {
  margin: 0;
  padding: 0;
}

ul, ol {
  list-style: none;
}

:focus-visible {
  outline: 2px solid var(--oro);
  outline-offset: 3px;
}

/* Enlace accesible saltar al contenido */
.skip-link {
  position: absolute;
  left: 16px;
  top: -80px;
  z-index: 500;
  background: var(--oro);
  color: var(--navy);
  padding: 10px 18px;
  font-weight: 700;
  border-radius: var(--radius-sm);
  transition: top 0.2s;
}
.skip-link:focus {
  top: 16px;
}

/* Ruido de fondo analógico sutil */
.grain-overlay {
  position: fixed;
  inset: -50%;
  z-index: 2;
  pointer-events: none;
  opacity: 0.035;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='160' height='160'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='.8' numOctaves='2' stitchTiles='stitch'/></filter><rect width='100%' height='100%' filter='url(%23n)'/></svg>");
}

/* Cursor magnético personalizado en desktop */
.custom-cursor-dot,
.custom-cursor-ring {
  position: fixed;
  top: 0;
  left: 0;
  pointer-events: none;
  border-radius: 50%;
  z-index: 9999;
  transform: translate(-50%, -50%);
  transition: opacity 0.3s ease, transform 0.15s ease-out;
  display: none;
}
.custom-cursor-dot {
  width: 6px;
  height: 6px;
  background-color: var(--oro);
}
.custom-cursor-ring {
  width: 34px;
  height: 34px;
  border: 1.5px solid rgba(208, 167, 85, 0.55);
  box-shadow: 0 0 14px var(--oro-glow);
}
@media (hover: hover) and (pointer: fine) {
  .custom-cursor-dot,
  .custom-cursor-ring {
    display: block;
  }
  body.cursor-active .custom-cursor-ring {
    transform: translate(-50%, -50%) scale(1.6);
    border-color: var(--oro-brillante);
    background: rgba(208, 167, 85, 0.1);
  }
}

/* Lienzo de Three.js fijo detrás */
#webgl-canvas {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  z-index: 1;
  pointer-events: none;
  display: block;
}
#webgl-canvas.interactive-drag {
  pointer-events: auto;
}
body.no-webgl #webgl-canvas {
  display: none;
}
/* Carga: el HTML se ve de inmediato y la escena entra con un fundido cuando está lista */
#webgl-canvas {
  transition: opacity 1.4s ease;
}
body.escena-pendiente #webgl-canvas {
  opacity: 0;
}
body.escena-pendiente.escena-lista #webgl-canvas {
  opacity: 1;
}
body.no-webgl {
  background: radial-gradient(circle at 75% 25%, #07123d 0%, #000024 70%);
}

/* Respaldo visual elegante cuando WebGL no está disponible */
.hero-fallback-visual {
  display: none;
}
body.no-webgl .hero-fallback-visual {
  display: block;
}
.fallback-yarn-wrapper {
  position: relative;
  width: min(420px, 90vw);
  margin: 0 auto;
  aspect-ratio: 1 / 1;
  display: flex;
  align-items: center;
  justify-content: center;
}
.fallback-yarn-img {
  width: 88%;
  height: 88%;
  object-fit: cover;
  border-radius: 50%;
  border: 3px solid var(--oro);
  box-shadow: 0 0 50px rgba(208, 167, 85, 0.4), 0 20px 40px rgba(0, 0, 0, 0.8);
  animation: float-yarn 6s infinite ease-in-out;
}
@keyframes float-yarn {
  0%, 100% { transform: translateY(0) rotate(0deg); }
  50% { transform: translateY(-10px) rotate(3deg); }
}
.fallback-glow-ring {
  position: absolute;
  inset: -8px;
  border-radius: 50%;
  border: 1px dashed rgba(208, 167, 85, 0.45);
  pointer-events: none;
  animation: spin-ring 30s infinite linear;
}
@keyframes spin-ring {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

/* ==========================================================================
   CABECERA & AVISO SIMCODEC
   ========================================================================== */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(0, 0, 36, 0.88);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--linea-sutil);
  transition: transform 0.3s var(--trans-suave);
}

/* Barra superior de aviso de demostración */
.demo-topbar {
  background: #000028;
  border-bottom: 1px solid rgba(208, 167, 85, 0.2);
  padding: 6px var(--gutter);
  font-size: 0.78rem;
  color: var(--texto-secundario);
}
.demo-topbar-inner {
  max-width: 1480px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
}
.demo-topbar-left {
  display: flex;
  align-items: center;
  gap: 10px;
}
/* Escritorio: aviso y selector de modelos en una sola fila */
@media (min-width: 1100px) {
  .demo-topbar { font-size: 0.74rem; }
  .demo-topbar-inner { flex-wrap: nowrap; }
  .demo-topbar-left,
  .model-selector-nav { white-space: nowrap; }
  .demo-topbar-left span { overflow: hidden; text-overflow: ellipsis; }
}
.demo-badge {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  background: var(--oro-tenue);
  color: var(--oro);
  border: 1px solid rgba(208, 167, 85, 0.3);
  padding: 2px 8px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.72rem;
  letter-spacing: 0.03em;
  text-transform: uppercase;
}
.demo-topbar-link {
  color: var(--oro);
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-weight: 500;
  text-decoration: underline;
  text-underline-offset: 3px;
  transition: color 0.2s;
}
.demo-topbar-link:hover {
  color: var(--oro-brillante);
}

/* Selector de modelos en la barra superior */
.model-selector-nav {
  display: flex;
  align-items: center;
  gap: 6px;
}
.model-selector-label {
  color: var(--texto-apagado);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-right: 4px;
}
.model-pill {
  padding: 2px 8px;
  border-radius: 4px;
  font-size: 0.72rem;
  color: var(--texto-secundario);
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid transparent;
  transition: all 0.2s;
}
.model-pill:hover {
  color: var(--blanco);
  border-color: rgba(208, 167, 85, 0.4);
}
.model-pill[aria-current="page"] {
  background: var(--oro);
  color: var(--navy);
  font-weight: 700;
  border-color: var(--oro);
}

/* Contenedor principal del header */
.header-main {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 12px var(--gutter);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}
@media (max-width: 600px) {
  .demo-topbar {
    font-size: 0.72rem;
    padding: 6px var(--gutter);
  }
  .demo-topbar-inner {
    gap: 8px;
  }
  .demo-topbar-left {
    flex-wrap: wrap;
    gap: 4px 8px;
    line-height: 1.35;
  }
  .model-selector-nav {
    width: 100%;
    gap: 4px;
  }
  .model-selector-label {
    display: none;
  }
  .model-pill {
    flex: 1 1 auto;
    text-align: center;
    white-space: nowrap;
    padding: 3px 4px;
    font-size: 0.66rem;
  }
  .header-actions .btn {
    white-space: nowrap;
  }
  .header-main {
    padding: 8px var(--gutter);
  }
  .brand-logo {
    height: 34px;
  }
  .btn-sm {
    padding: 6px 12px;
    font-size: 0.78rem;
  }
}
.brand-link {
  display: inline-flex;
  align-items: center;
  position: relative;
  z-index: 10;
}
.brand-logo {
  height: 42px;
  width: auto;
}

/* Navegación de escritorio */
.nav-desktop {
  display: none;
}
@media (min-width: 900px) {
  .nav-desktop {
    display: flex;
    align-items: center;
    gap: 32px;
  }
}
.nav-link {
  color: var(--texto-secundario);
  font-size: 0.92rem;
  font-weight: 500;
  position: relative;
  padding: 6px 0;
  transition: color 0.2s;
}
.nav-link:hover,
.nav-link.active {
  color: var(--oro);
}
.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0%;
  height: 2px;
  background: var(--oro);
  transition: width 0.25s var(--trans-suave);
}
.nav-link:hover::after,
.nav-link.active::after {
  width: 100%;
}

/* Botones de acción */
.header-actions {
  display: flex;
  align-items: center;
  gap: 14px;
}
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 22px;
  border-radius: 999px;
  font-size: 0.9rem;
  font-weight: 600;
  transition: all 0.25s var(--trans-suave);
  position: relative;
  overflow: hidden;
}
.btn-oro {
  background-color: var(--oro);
  color: var(--navy);
  box-shadow: 0 4px 16px rgba(208, 167, 85, 0.25);
}
.btn-oro:hover {
  background-color: var(--oro-brillante);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(208, 167, 85, 0.4);
}
.btn-outline {
  border: 1px solid var(--linea-oro);
  color: var(--oro);
  background: rgba(208, 167, 85, 0.05);
}
.btn-outline:hover {
  background: var(--oro);
  color: var(--navy);
  border-color: var(--oro);
}
.btn-sm {
  padding: 8px 16px;
  font-size: 0.82rem;
}

/* Botón menú hamburguesa en móvil */
.menu-toggle {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  padding: 8px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--linea-sutil);
  background: rgba(255, 255, 255, 0.03);
  z-index: 102;
}
@media (min-width: 900px) {
  .menu-toggle {
    display: none;
  }
}
.menu-toggle span {
  display: block;
  width: 100%;
  height: 2px;
  background-color: var(--blanco);
  transition: transform 0.25s ease, opacity 0.25s ease;
}
.menu-toggle[aria-expanded="true"] span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.menu-toggle[aria-expanded="true"] span:nth-child(2) {
  transform: translateY(-7px) rotate(-45deg);
}

/* Cajón de menú móvil */
.mobile-drawer {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 36, 0.98);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  z-index: 101;
  padding: 120px var(--gutter) 40px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transform: translateY(-100%);
  opacity: 0;
  visibility: hidden;
  transition: transform 0.35s var(--trans-suave), opacity 0.35s ease, visibility 0.35s;
}
.mobile-drawer.open {
  transform: translateY(0);
  opacity: 1;
  visibility: visible;
}
.mobile-nav-list {
  display: flex;
  flex-direction: column;
  gap: 20px;
}
.mobile-nav-link {
  font-family: var(--f-titulo);
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--texto-principal);
  transition: color 0.2s;
  display: inline-block;
}
.mobile-nav-link:hover,
.mobile-nav-link.active {
  color: var(--oro);
}
.mobile-drawer-footer {
  border-top: 1px solid var(--linea-sutil);
  padding-top: 24px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

/* ==========================================================================
   TRANSICIÓN ENTRE PÁGINAS · «HEBRA COSEDORA» (STITCH TRANSITION)
   ========================================================================== */
.stitch-transition-overlay {
  position: fixed;
  inset: 0;
  z-index: 99999;
  pointer-events: none;
  visibility: hidden;
}
.stitch-curtain {
  position: absolute;
  inset: 0;
  background-color: var(--navy);
  transform: translateY(100%);
  transition: transform 0.4s var(--trans-suave);
}
.stitch-canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}
.stitch-transition-overlay.active {
  visibility: visible;
  pointer-events: auto;
}
.stitch-transition-overlay.active .stitch-curtain {
  transform: translateY(0);
}

/* ==========================================================================
   LAYOUT PRINCIPAL SOBRE ESCENA 3D
   ========================================================================== */
main {
  position: relative;
  z-index: 10;
  min-height: 100vh;
}

/* ==========================================================================
   WIDGET FLOTANTE: SELECTOR DE COLOR EN VIVO DEL TRAPILLO
   ========================================================================== */
.swatch-picker {
  position: fixed;
  bottom: 28px;
  right: 28px;
  z-index: 90;
  background: rgba(6, 11, 36, 0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--linea-oro);
  border-radius: 999px;
  padding: 8px 16px;
  display: flex;
  align-items: center;
  gap: 12px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
  transition: transform 0.3s var(--trans-suave);
}
.swatch-title {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--texto-secundario);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  display: none;
}
@media (min-width: 600px) {
  .swatch-title {
    display: inline;
  }
}
.swatches-list {
  display: flex;
  align-items: center;
  gap: 8px;
}
.swatch-btn {
  width: 26px;
  height: 26px;
  border-radius: 50%;
  border: 2px solid rgba(255, 255, 255, 0.2);
  transition: transform 0.2s, border-color 0.2s, box-shadow 0.2s;
  position: relative;
}
.swatch-btn:hover {
  transform: scale(1.18);
}
.swatch-btn.active {
  transform: scale(1.25);
  border-color: var(--blanco);
  box-shadow: 0 0 12px var(--oro-glow);
}
.swatch-btn[data-color="multi"] { background: conic-gradient(#e0192d, #ff6a13, #ffc400, #7cc62a, #12a8b5, #2457d6, #7b2bb0, #d92b86, #e0192d); }
.swatch-btn[data-color="#2F7BE0"] { background-color: #2F7BE0; }
.swatch-btn[data-color="#D0A755"] { background-color: #D0A755; }
.swatch-btn[data-color="#2FAE72"] { background-color: #2FAE72; }
.swatch-btn[data-color="#D9623F"] { background-color: #D9623F; }
.swatch-btn[data-color="#EFE8D8"] { background-color: #EFE8D8; }

/* El panel solo acompaña al ovillo en el hero: se oculta al hacer scroll */
.swatch-picker {
  transition: transform 0.45s var(--trans-suave), opacity 0.35s ease;
}
.swatch-picker.is-hidden {
  opacity: 0;
  transform: translateY(24px);
  pointer-events: none;
}

/* ==========================================================================
   SECCIONES: HERO SCROLLYTELLING (INDEX)
   ========================================================================== */
.hero-3d {
  min-height: 100vh;
  padding-top: clamp(190px, 28vw, 220px);
  padding-bottom: 60px;
  display: flex;
  align-items: center;
  position: relative;
}
@media (max-width: 991px) {
  /* El ovillo ocupa el hueco entre la cabecera y el texto */
  .hero-3d {
    align-items: flex-start;
    padding-top: max(330px, 48vh);
  }
  /* Pantallas bajas: el panel de teñido no debe tapar los botones del hero */
  .hero-3d-hint {
    display: none;
  }
  .hero-lead {
    margin-bottom: 22px;
  }
  /* En móvil el panel va dentro del hero, bajo los botones (no flota sobre ellos) */
  .swatch-picker {
    position: static;
    width: fit-content;
    margin-top: 20px;
  }
}
.hero-3d-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 var(--gutter);
  width: 100%;
  display: grid;
  grid-template-columns: 1fr;
  gap: 40px;
  align-items: center;
}
@media (min-width: 992px) {
  .hero-3d-inner {
    grid-template-columns: 1.1fr 0.9fr;
  }
}

.hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--oro);
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 18px;
}
.hero-tag::before {
  content: '';
  display: block;
  width: 24px;
  height: 1.5px;
  background: var(--oro);
}

.hero-title {
  font-family: var(--f-titulo);
  font-size: clamp(2.8rem, 6.5vw, 5.6rem);
  font-weight: 800;
  line-height: 1.05;
  letter-spacing: -0.03em;
  margin-bottom: 24px;
}
.hero-title .word-italic {
  font-family: var(--f-italica);
  font-weight: 400;
  font-style: italic;
  color: var(--oro);
  letter-spacing: 0.02em;
}

.hero-lead {
  font-size: clamp(1.05rem, 1.8vw, 1.25rem);
  color: var(--texto-secundario);
  line-height: 1.7;
  max-width: 540px;
  margin-bottom: 36px;
}

.hero-ctas {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}

.hero-3d-hint {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 24px;
  font-size: 0.8rem;
  color: var(--texto-apagado);
}
.hero-3d-hint svg {
  animation: pulse-horizontal 2s infinite ease-in-out;
}
@keyframes pulse-horizontal {
  0%, 100% { transform: translateX(0); }
  50% { transform: translateX(6px); }
}

/* ==========================================================================
   SCROLLYTELLING CAPÍTULOS FLOTANTES (INDEX)
   ========================================================================== */
.scrolly-container {
  position: relative;
  z-index: 10;
}

.k-finale {
  min-height: 100vh;
}

.scrolly-chapter {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 80px var(--gutter);
}
.chapter-box {
  background: var(--navy-card);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  border: 1px solid var(--navy-card-border);
  border-radius: var(--radius-lg);
  padding: clamp(28px, 4vw, 44px);
  max-width: 520px;
  box-shadow: 0 20px 50px rgba(0, 0, 24, 0.6);
  position: relative;
}
.chapter-box.align-right {
  margin-left: auto;
}
.chapter-box.align-left {
  margin-right: auto;
}
.chapter-box.align-center {
  margin: 0 auto;
  max-width: 640px;
  text-align: center;
}

.chapter-number {
  font-family: var(--f-italica);
  font-size: 1.6rem;
  color: var(--oro);
  margin-bottom: 8px;
  display: block;
}
.chapter-title {
  font-family: var(--f-titulo);
  font-size: clamp(1.8rem, 3.2vw, 2.4rem);
  font-weight: 700;
  line-height: 1.15;
  margin-bottom: 16px;
  letter-spacing: -0.02em;
}
.chapter-desc {
  color: var(--texto-secundario);
  font-size: 1rem;
  line-height: 1.65;
  margin-bottom: 22px;
}
.chapter-metrics {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
  border-top: 1px solid var(--linea-sutil);
  padding-top: 18px;
  margin-top: 18px;
}
.metric-item dt {
  font-size: 0.78rem;
  color: var(--texto-apagado);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.metric-item dd {
  font-family: var(--f-titulo);
  font-size: 1.6rem;
  font-weight: 800;
  color: var(--oro);
  margin: 0;
}

/* ==========================================================================
   SECCIÓN DE VALORES Y CALIDAD KAZAN
   ========================================================================== */
.section-valores {
  padding: 100px var(--gutter);
  position: relative;
  z-index: 10;
}
.section-inner {
  max-width: var(--max-w);
  margin: 0 auto;
}
.section-header {
  text-align: center;
  max-width: 680px;
  margin: 0 auto 60px;
}
.section-eyebrow {
  color: var(--oro);
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 12px;
}
.section-title {
  font-family: var(--f-titulo);
  font-size: clamp(2.2rem, 4.5vw, 3.4rem);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.02em;
}

.valores-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
}
.valor-card {
  background: var(--navy-card);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border: 1px solid var(--linea-sutil);
  border-radius: var(--radius-md);
  padding: 36px 28px;
  transition: transform 0.3s var(--trans-suave), border-color 0.3s;
}
.valor-card:hover {
  transform: translateY(-6px);
  border-color: var(--linea-oro);
}
.valor-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-sm);
  background: var(--oro-tenue);
  color: var(--oro);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 22px;
}
.valor-title {
  font-family: var(--f-titulo);
  font-size: 1.35rem;
  font-weight: 700;
  margin-bottom: 12px;
}
.valor-desc {
  color: var(--texto-secundario);
  font-size: 0.95rem;
  line-height: 1.6;
}

/* ==========================================================================
   PÁGINA: PRODUCTOS (PRODUCT STUDIO 3D)
   ========================================================================== */
.page-header-3d {
  padding-top: 150px;
  padding-bottom: 50px;
  text-align: center;
  position: relative;
}
.products-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 36px;
  margin-bottom: 60px;
}
@media (min-width: 1024px) {
  .products-layout {
    grid-template-columns: 1fr 1.1fr;
    align-items: start;
  }
}

/* Visor 3D interactivo en productos */
.studio-viewer-panel {
  background: var(--navy-card);
  backdrop-filter: blur(20px);
  border: 1px solid var(--navy-card-border);
  border-radius: var(--radius-lg);
  padding: 24px;
  position: sticky;
  top: 140px;
}
.studio-canvas-wrap {
  width: 100%;
  height: 380px;
  border-radius: var(--radius-md);
  overflow: hidden;
  background: radial-gradient(circle at center, #071038 0%, #000020 100%);
  position: relative;
}
.studio-canvas-wrap canvas {
  width: 100%;
  height: 100%;
  display: block;
}
.studio-badge {
  position: absolute;
  top: 16px;
  left: 16px;
  background: rgba(0, 0, 36, 0.7);
  backdrop-filter: blur(8px);
  color: var(--oro);
  font-size: 0.75rem;
  font-weight: 600;
  padding: 4px 10px;
  border-radius: 999px;
  border: 1px solid var(--linea-oro);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.studio-meta {
  margin-top: 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
}
.studio-name {
  font-family: var(--f-titulo);
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--blanco);
}
.studio-instruction {
  font-size: 0.8rem;
  color: var(--texto-apagado);
  display: flex;
  align-items: center;
  gap: 6px;
}

/* Grilla de productos */
.products-cards-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
}
@media (min-width: 640px) {
  .products-cards-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}
.product-card-3d {
  background: var(--navy-card);
  border: 1px solid var(--linea-sutil);
  border-radius: var(--radius-md);
  padding: 20px;
  transition: transform 0.25s, border-color 0.25s, box-shadow 0.25s;
  cursor: pointer;
}
.product-card-3d:hover,
.product-card-3d.active {
  transform: translateY(-4px);
  border-color: var(--oro);
  box-shadow: 0 12px 30px rgba(0, 0, 24, 0.5);
}
.product-thumb-wrap {
  width: 100%;
  aspect-ratio: 1 / 1;
  border-radius: var(--radius-sm);
  overflow: hidden;
  margin-bottom: 16px;
  background: #020412;
}
.product-thumb-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s var(--trans-suave);
}
.product-card-3d:hover .product-thumb-wrap img {
  transform: scale(1.05);
}
.product-title {
  font-family: var(--f-titulo);
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 6px;
}
.product-desc {
  font-size: 0.88rem;
  color: var(--texto-secundario);
  line-height: 1.5;
  margin-bottom: 14px;
}
.product-specs {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-top: 1px solid var(--linea-sutil);
  padding-top: 12px;
  font-size: 0.78rem;
  color: var(--oro);
  font-weight: 600;
}

/* Categorías institucionales de la tienda */
.store-categories-section {
  background: rgba(6, 11, 36, 0.6);
  border: 1px solid var(--linea-sutil);
  border-radius: var(--radius-lg);
  padding: clamp(32px, 5vw, 48px);
  margin-top: 40px;
}
.categories-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 20px;
}
.category-badge {
  background: rgba(208, 167, 85, 0.08);
  border: 1px solid rgba(208, 167, 85, 0.25);
  color: var(--texto-principal);
  padding: 8px 18px;
  border-radius: 999px;
  font-size: 0.9rem;
  font-weight: 500;
  transition: background 0.2s, color 0.2s, border-color 0.2s;
}
.category-badge:hover {
  background: var(--oro);
  color: var(--navy);
  border-color: var(--oro);
}

/* ==========================================================================
   PÁGINA: NOSOTROS (URDIMBRE TEXTIL & COMERCIO)
   ========================================================================== */
.about-hero-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 40px;
  margin-bottom: 80px;
}
@media (min-width: 900px) {
  .about-hero-grid {
    grid-template-columns: 1.2fr 0.8fr;
  }
}
.about-story-text {
  font-size: 1.08rem;
  line-height: 1.8;
  color: var(--texto-secundario);
}
.about-story-text p {
  margin-bottom: 20px;
}
.about-story-lead {
  font-size: 1.25rem;
  color: var(--blanco);
  font-weight: 500;
  line-height: 1.6;
}

.about-pillars-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 28px;
  margin-bottom: 80px;
}
.pillar-card {
  background: var(--navy-card);
  border: 1px solid var(--navy-card-border);
  border-radius: var(--radius-md);
  padding: 36px 30px;
}
.pillar-tag {
  font-family: var(--f-italica);
  font-size: 1.4rem;
  color: var(--oro);
  display: block;
  margin-bottom: 8px;
}
.pillar-title {
  font-family: var(--f-titulo);
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 14px;
}
.pillar-desc {
  color: var(--texto-secundario);
  font-size: 0.95rem;
  line-height: 1.7;
}

/* ==========================================================================
   PÁGINA: CONTACTO (COMERCIO & MAYORISTAS)
   ========================================================================== */
.contact-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 48px;
  margin-bottom: 80px;
}
@media (min-width: 992px) {
  .contact-layout {
    grid-template-columns: 0.9fr 1.1fr;
  }
}
.contact-info-panel {
  display: flex;
  flex-direction: column;
  gap: 28px;
}
.contact-card {
  background: var(--navy-card);
  border: 1px solid var(--navy-card-border);
  border-radius: var(--radius-md);
  padding: 28px;
}
.contact-card-title {
  font-family: var(--f-titulo);
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 8px;
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--oro);
}
.contact-card-text {
  color: var(--texto-secundario);
  font-size: 0.98rem;
  line-height: 1.6;
}
.contact-card-text a {
  color: var(--blanco);
  font-weight: 600;
  text-decoration: underline;
  text-underline-offset: 3px;
}
.contact-card-text a:hover {
  color: var(--oro);
}

/* Formulario corporativo B2B */
.contact-form-card {
  background: var(--navy-card);
  backdrop-filter: blur(18px);
  border: 1px solid var(--navy-card-border);
  border-radius: var(--radius-lg);
  padding: clamp(28px, 4vw, 44px);
  box-shadow: 0 20px 50px rgba(0, 0, 24, 0.5);
}
.form-group {
  margin-bottom: 22px;
}
.form-label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--texto-secundario);
  margin-bottom: 8px;
}
.form-input,
.form-select,
.form-textarea {
  width: 100%;
  background: rgba(0, 0, 36, 0.6);
  border: 1px solid var(--linea-sutil);
  border-radius: var(--radius-sm);
  padding: 12px 16px;
  color: var(--texto-principal);
  font-family: var(--f-texto);
  font-size: 0.95rem;
  transition: border-color 0.2s, box-shadow 0.2s;
}
.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  border-color: var(--oro);
  box-shadow: 0 0 10px var(--oro-glow);
  outline: none;
}
.form-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}
@media (min-width: 600px) {
  .form-row {
    grid-template-columns: repeat(2, 1fr);
  }
}
.form-notice {
  font-size: 0.78rem;
  color: var(--texto-apagado);
  margin-top: 14px;
}

/* ==========================================================================
   PIE DE PÁGINA (FOOTER)
   ========================================================================== */
.site-footer {
  position: relative;
  z-index: 10;
  background: #000020;
  border-top: 1px solid var(--linea-sutil);
  padding: 60px var(--gutter) 30px;
  color: var(--texto-secundario);
}
.footer-inner {
  max-width: var(--max-w);
  margin: 0 auto;
}
.footer-top {
  display: grid;
  grid-template-columns: 1fr;
  gap: 40px;
  margin-bottom: 48px;
}
@media (min-width: 900px) {
  .footer-top {
    grid-template-columns: 1.4fr 1fr 1fr;
  }
}
.footer-brand-logo {
  height: 48px;
  width: auto;
  margin-bottom: 18px;
}
.footer-tagline {
  color: var(--texto-secundario);
  font-size: 0.95rem;
  line-height: 1.6;
  max-width: 380px;
}
.footer-col-title {
  font-family: var(--f-titulo);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--blanco);
  margin-bottom: 18px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.footer-links-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.footer-links-list a {
  color: var(--texto-secundario);
  font-size: 0.92rem;
  transition: color 0.2s;
}
.footer-links-list a:hover {
  color: var(--oro);
}

.footer-models-box {
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--linea-oro);
  border-radius: var(--radius-md);
  padding: 20px;
}
.footer-models-title {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--oro);
  margin-bottom: 12px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.footer-models-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 8px;
}
.footer-model-link {
  display: block;
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  background: rgba(0, 0, 36, 0.6);
  border: 1px solid var(--linea-sutil);
  font-size: 0.8rem;
  color: var(--texto-secundario);
  transition: all 0.2s;
}
.footer-model-link:hover {
  border-color: var(--oro);
  color: var(--blanco);
}
.footer-model-link[aria-current="page"] {
  background: var(--oro);
  color: var(--navy);
  font-weight: 700;
  border-color: var(--oro);
}

.footer-bottom {
  border-top: 1px solid var(--linea-sutil);
  padding-top: 28px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  align-items: center;
  text-align: center;
  font-size: 0.82rem;
  color: var(--texto-apagado);
}
@media (min-width: 768px) {
  .footer-bottom {
    flex-direction: row;
    justify-content: space-between;
    text-align: left;
  }
}
.footer-demo-disclaimer {
  max-width: 600px;
}

/* ==========================================================================
   ACCESIBILIDAD & REDUCED MOTION
   ========================================================================== */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
  .custom-cursor-dot,
  .custom-cursor-ring {
    display: none !important;
  }
  .stitch-transition-overlay {
    display: none !important;
  }
}

/* Nosotros en móvil: la urdimbre 3D no compite con el titular */
@media (max-width: 767px) {
  body.pagina-nosotros #webgl-canvas {
    opacity: 0.22;
  }
}