/* ==========================================================================
   ESTILOS.CSS — Plantilla Inmersiva 3D (SimCodec Demos)
   Diseño de agencia: WebGL Scrollytelling, Glassmorphism, Microinteracciones
   ========================================================================== */

/* ─── Tipografías Locales (cero CDN en producción) ─── */
@font-face {
  font-family: 'Inter';
  font-style: normal;
  font-weight: 300 700;
  font-display: swap;
  src: url('fonts/inter-latin.woff2') format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}

@font-face {
  font-family: 'Inter';
  font-style: normal;
  font-weight: 300 700;
  font-display: swap;
  src: url('fonts/inter-latin-ext.woff2') format('woff2');
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C4, U+2113, U+2C60-2C7F, U+A720-A7FF;
}

@font-face {
  font-family: 'Playfair Display';
  font-style: normal;
  font-weight: 400 700;
  font-display: swap;
  src: url('fonts/playfair-display-latin.woff2') format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}

@font-face {
  font-family: 'Playfair Display';
  font-style: normal;
  font-weight: 400 700;
  font-display: swap;
  src: url('fonts/playfair-display-latin-ext.woff2') format('woff2');
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C4, U+2113, U+2C60-2C7F, U+A720-A7FF;
}

/* ─── Variables Globales (Sobrescritas por contenido.js) ─── */
:root {
  --color-primario: #C8956C;
  --color-secundario: #2A2D35;
  --color-acento: #E8D5C0;
  --color-fondo: #0F1114;
  --color-fondo-claro: #1A1D23;
  --color-texto: #F5F0EB;
  --color-texto-suave: #9A9CA0;
  --color-exito: #6BCB77;
  --color-error: #FF6B6B;
  
  --fuente-titulos: 'Playfair Display', Georgia, serif;
  --fuente-cuerpo: 'Inter', system-ui, -apple-system, sans-serif;
  
  --borde-suave: rgba(200, 149, 108, 0.2);
  --borde-hover: rgba(200, 149, 108, 0.5);
  --vidrio-fondo: rgba(26, 29, 35, 0.72);
  --vidrio-borde: rgba(255, 255, 255, 0.08);
  --radio-sm: 6px;
  --radio-md: 12px;
  --radio-lg: 20px;
  --sombra-volumen: 0 20px 40px -15px rgba(0, 0, 0, 0.6);
  --sombra-acento: 0 0 30px rgba(200, 149, 108, 0.25);
  
  --transicion-suave: cubic-bezier(0.16, 1, 0.3, 1);
}

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

html {
  font-size: 16px;
  scroll-behavior: auto; /* Controlado por Lenis */
  color-scheme: dark;
  background-color: var(--color-fondo);
  color: var(--color-texto);
  font-family: var(--fuente-cuerpo);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  overflow-x: hidden;
  line-height: 1.6;
  background-color: var(--color-fondo);
}

img, svg {
  display: block;
  max-width: 100%;
}

a {
  color: inherit;
  text-decoration: none;
  transition: color 0.25s ease;
}

button, input, textarea, select {
  font: inherit;
  color: inherit;
}

button {
  cursor: pointer;
  border: none;
  background: none;
}

/* ─── Accesibilidad Foco Visible ─── */
:focus-visible {
  outline: 2px solid var(--color-primario);
  outline-offset: 4px;
}

/* ─── Pantalla de Carga (Preloader) ─── */
.preloader {
  position: fixed;
  inset: 0;
  z-index: 99999;
  background-color: var(--color-fondo);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2rem;
  transition: opacity 0.8s var(--transicion-suave), visibility 0.8s;
}

.preloader.oculto {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

.preloader__logo {
  max-width: 200px;
  animation: pulsoSuave 2s infinite ease-in-out;
}

.preloader__barra-wrapper {
  width: min(280px, 80vw);
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.preloader__barra {
  width: 100%;
  height: 2px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 2px;
  overflow: hidden;
  position: relative;
}

.preloader__progreso {
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, var(--color-primario), var(--color-acento));
  transition: width 0.2s ease-out;
}

.preloader__meta {
  display: flex;
  justify-content: space-between;
  font-size: 0.8rem;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--color-texto-suave);
}

@keyframes pulsoSuave {
  0%, 100% { opacity: 0.8; transform: scale(0.99); }
  50% { opacity: 1; transform: scale(1.01); }
}

/* ─── Aviso Demostración SimCodec ─── */
.aviso-demo {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(90deg, rgba(200, 149, 108, 0.2), rgba(26, 29, 35, 0.95));
  border-bottom: 1px solid var(--borde-suave);
  padding: 0 1rem;
  font-size: 0.78rem;
  text-align: center;
  color: var(--color-acento);
  letter-spacing: 0.5px;
  z-index: 1005;
  box-sizing: border-box;
}

.aviso-demo a {
  color: var(--color-primario);
  font-weight: 600;
  text-decoration: underline;
  text-underline-offset: 3px;
  margin-left: 0.35rem;
}

/* ─── Barra de Navegación ─── */
.nav {
  position: fixed;
  top: 32px;
  left: 0;
  width: 100%;
  z-index: 1000;
  padding: 1.1rem 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  transition: background-color 0.4s var(--transicion-suave), padding 0.4s var(--transicion-suave), backdrop-filter 0.4s;
}

.nav.scrolled {
  background-color: rgba(15, 17, 20, 0.9);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--vidrio-borde);
  padding: 0.75rem 2rem;
}

.nav__brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.nav__logo-img {
  height: 38px;
  width: auto;
}

.nav__links {
  display: flex;
  align-items: center;
  gap: 2rem;
  list-style: none;
}

.nav__link {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--color-texto-suave);
  position: relative;
  padding: 0.4rem 0;
}

.nav__link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0%;
  height: 1px;
  background-color: var(--color-primario);
  transition: width 0.3s var(--transicion-suave);
}

.nav__link:hover, .nav__link:focus {
  color: var(--color-texto);
}

.nav__link:hover::after, .nav__link:focus::after {
  width: 100%;
}

.btn-cta {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.65rem 1.4rem;
  background-color: var(--color-primario);
  color: #0F1114;
  font-weight: 600;
  font-size: 0.88rem;
  border-radius: var(--radio-sm);
  letter-spacing: 0.5px;
  transition: transform 0.25s ease, background-color 0.25s ease, box-shadow 0.25s ease;
}

.btn-cta:hover {
  background-color: var(--color-acento);
  transform: translateY(-2px);
  box-shadow: var(--sombra-acento);
}

.btn-cta--outline {
  background: transparent;
  color: var(--color-texto);
  border: 1px solid var(--borde-suave);
}

.btn-cta--outline:hover {
  background: rgba(200, 149, 108, 0.1);
  border-color: var(--color-primario);
}

/* Botón Hamburguesa Móvil */
.nav__toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 6px;
  width: 38px;
  height: 38px;
  padding: 6px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--vidrio-borde);
  border-radius: var(--radio-sm);
  z-index: 1002;
}

.nav__toggle span {
  display: block;
  width: 100%;
  height: 2px;
  background-color: var(--color-texto);
  transition: transform 0.3s ease, opacity 0.3s ease;
}

.nav__toggle.activo span:nth-child(1) {
  transform: translateY(8px) rotate(45deg);
}

.nav__toggle.activo span:nth-child(2) {
  opacity: 0;
}

.nav__toggle.activo span:nth-child(3) {
  transform: translateY(-8px) rotate(-45deg);
}

/* Menú móvil overlay */
.nav__mobile-menu {
  position: fixed;
  inset: 0;
  background-color: rgba(15, 17, 20, 0.98);
  backdrop-filter: blur(20px);
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 2rem;
  z-index: 1001;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.4s var(--transicion-suave), visibility 0.4s;
}

.nav__mobile-menu.abierto {
  opacity: 1;
  visibility: visible;
}

.nav__mobile-menu .nav__link {
  font-size: 1.5rem;
  font-family: var(--fuente-titulos);
}

/* ─── Pista de Scrollytelling 3D ─── */
.scrolly-tour {
  position: relative;
  width: 100%;
  height: 550vh; /* Pista de desplazamiento continuo */
  background-color: var(--color-fondo);
}

.scrolly-sticky {
  position: sticky;
  top: 0;
  left: 0;
  width: 100%;
  height: 100vh;
  height: 100svh;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}

.webgl-canvas {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 1;
  touch-action: pan-y; /* Permitir scroll vertical táctil fluido */
  cursor: grab;
}

.webgl-canvas:active {
  cursor: grabbing;
}

.webgl-fallback {
  position: absolute;
  inset: 0;
  background: url('assets/fallback-hero.svg') center/cover no-repeat;
  z-index: 0;
  opacity: 0;
  transition: opacity 0.5s ease;
  pointer-events: none;
}

.webgl-fallback.activo {
  opacity: 1;
  z-index: 1;
}

/* Viñeta cinematográfica y niebla visual sobre el canvas */
.scrolly-vignette {
  position: absolute;
  inset: 0;
  z-index: 2;
  pointer-events: none;
  background: radial-gradient(circle at center, transparent 40%, rgba(15, 17, 20, 0.75) 100%),
              linear-gradient(to bottom, rgba(15, 17, 20, 0.4) 0%, transparent 20%, transparent 80%, var(--color-fondo) 100%);
}

/* Guía lateral de capítulos (Rail) */
.tour-rail {
  position: absolute;
  right: 2.5rem;
  top: 50%;
  transform: translateY(-50%);
  z-index: 25;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.tour-rail__item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  cursor: pointer;
  opacity: 0.35;
  transition: opacity 0.3s ease;
}

.tour-rail__item.activo {
  opacity: 1;
}

.tour-rail__dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: var(--color-texto-suave);
  border: 1px solid var(--color-texto);
  transition: transform 0.3s var(--transicion-suave), background-color 0.3s ease;
}

.tour-rail__item.activo .tour-rail__dot {
  transform: scale(1.6);
  background-color: var(--color-primario);
  border-color: var(--color-acento);
}

.tour-rail__label {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: var(--color-texto);
  display: none;
}

@media (min-width: 1024px) {
  .tour-rail__label {
    display: inline;
  }
}

/* Paneles de Contenido Superpuestos al 3D */
.tour-panels {
  position: absolute;
  inset: 0;
  z-index: 5;
  pointer-events: none;
}

.tour-panel {
  position: absolute;
  max-width: 520px;
  padding: 2.5rem;
  background: var(--vidrio-fondo);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  border: 1px solid var(--vidrio-borde);
  border-radius: var(--radio-md);
  box-shadow: var(--sombra-volumen);
  opacity: 0;
  visibility: hidden;
  transform: translateY(24px);
  transition: opacity 0.6s var(--transicion-suave), transform 0.6s var(--transicion-suave), visibility 0s linear 0.6s;
  pointer-events: none;
}

.tour-panel.activo {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
  transition: opacity 0.6s var(--transicion-suave), transform 0.6s var(--transicion-suave), visibility 0s;
  pointer-events: auto;
}

/* Posicionamiento de Paneles */
.tour-panel--hero {
  top: 50%;
  left: 8vw;
  transform: translateY(-50%) translateY(24px);
}

.tour-panel--hero.activo {
  transform: translateY(-50%) translateY(0);
}

.tour-panel--left {
  top: 50%;
  left: 8vw;
  transform: translateY(-50%) translateY(24px);
}

.tour-panel--left.activo {
  transform: translateY(-50%) translateY(0);
}

.tour-panel--right {
  top: 50%;
  right: calc(2.5rem + 160px);
  max-width: 460px;
  transform: translateY(-50%) translateY(24px);
}

.tour-panel--right.activo {
  transform: translateY(-50%) translateY(0);
}

.tour-panel--center {
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%) translateY(24px);
  text-align: center;
}

.tour-panel--center.activo {
  transform: translate(-50%, -50%) translateY(0);
}

.tour-panel__badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.35rem 0.85rem;
  border-radius: 20px;
  background: rgba(200, 149, 108, 0.12);
  border: 1px solid var(--borde-suave);
  color: var(--color-primario);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 2px;
  text-transform: uppercase;
  margin-bottom: 1rem;
}

.tour-panel__title {
  font-family: var(--fuente-titulos);
  font-size: clamp(2rem, 3.5vw, 3.2rem);
  line-height: 1.15;
  color: var(--color-texto);
  margin-bottom: 1rem;
  font-weight: 700;
}

.tour-panel__text {
  font-size: 1.05rem;
  color: var(--color-texto-suave);
  line-height: 1.65;
  margin-bottom: 1.75rem;
}

.tour-panel__cta-group {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

/* Indicador de desplazamiento (Scroll Cue) */
.scroll-cue {
  position: absolute;
  bottom: 2.5rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 10;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  color: var(--color-texto-suave);
  font-size: 0.78rem;
  letter-spacing: 2px;
  text-transform: uppercase;
  pointer-events: none;
  transition: opacity 0.4s ease;
}

.scroll-cue.oculto {
  opacity: 0;
}

.scroll-cue__mouse {
  width: 22px;
  height: 34px;
  border: 2px solid var(--color-texto-suave);
  border-radius: 12px;
  display: flex;
  justify-content: center;
  padding-top: 5px;
}

.scroll-cue__wheel {
  width: 3px;
  height: 7px;
  background-color: var(--color-primario);
  border-radius: 2px;
  animation: scrollWheel 2s infinite ease-in-out;
}

@keyframes scrollWheel {
  0% { transform: translateY(0); opacity: 1; }
  100% { transform: translateY(12px); opacity: 0; }
}

/* Badge de interacción 360 al final */
.interaccion-360-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.5rem 1rem;
  background: rgba(200, 149, 108, 0.15);
  border: 1px solid var(--color-primario);
  border-radius: 30px;
  color: var(--color-acento);
  font-size: 0.85rem;
  margin-top: 1rem;
  animation: pulsoSuave 2.5s infinite;
}

/* ─── Contenedor General de Secciones Estáticas ─── */
.section {
  padding: 7rem 2rem;
  max-width: 1280px;
  margin: 0 auto;
  position: relative;
  z-index: 20;
}

.section__header {
  text-align: center;
  max-width: 720px;
  margin: 0 auto 4.5rem;
}

.section__tag {
  display: inline-block;
  color: var(--color-primario);
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 3px;
  text-transform: uppercase;
  margin-bottom: 0.8rem;
}

.section__title {
  font-family: var(--fuente-titulos);
  font-size: clamp(2.2rem, 4vw, 3.5rem);
  font-weight: 700;
  line-height: 1.2;
  color: var(--color-texto);
}

/* ─── Sección Nosotros y Métricas ─── */
.nosotros-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.nosotros__textos p {
  font-size: 1.15rem;
  color: var(--color-texto-suave);
  line-height: 1.8;
  margin-bottom: 1.5rem;
}

.metricas-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2rem;
}

.metrica-card {
  padding: 2.2rem 1.8rem;
  background: var(--vidrio-fondo);
  border: 1px solid var(--vidrio-borde);
  border-radius: var(--radio-md);
  transition: transform 0.3s ease, border-color 0.3s ease;
  position: relative;
  overflow: hidden;
}

.metrica-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 3px;
  height: 100%;
  background: var(--color-primario);
  opacity: 0.6;
}

.metrica-card:hover {
  transform: translateY(-4px);
  border-color: var(--borde-hover);
}

.metrica-card__valor {
  font-family: var(--fuente-titulos);
  font-size: clamp(2.6rem, 4vw, 3.5rem);
  font-weight: 700;
  color: var(--color-acento);
  line-height: 1;
  margin-bottom: 0.6rem;
}

.metrica-card__etiqueta {
  font-size: 0.9rem;
  color: var(--color-texto-suave);
  letter-spacing: 0.5px;
}

/* ─── Sección Proyectos (Bento Grid) ─── */
.proyectos-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2.5rem;
}

.proyecto-card {
  position: relative;
  border-radius: var(--radio-md);
  overflow: hidden;
  background-color: var(--color-fondo-claro);
  border: 1px solid var(--vidrio-borde);
  transition: transform 0.4s var(--transicion-suave), border-color 0.4s ease, box-shadow 0.4s ease;
  group: true;
}

.proyecto-card:hover {
  transform: translateY(-6px);
  border-color: var(--color-primario);
  box-shadow: var(--sombra-volumen);
}

.proyecto-card__img-wrapper {
  aspect-ratio: 16 / 10;
  overflow: hidden;
  position: relative;
}

.proyecto-card__img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s var(--transicion-suave);
}

.proyecto-card:hover .proyecto-card__img {
  transform: scale(1.04);
}

.proyecto-card__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(15, 17, 20, 0.95) 0%, rgba(15, 17, 20, 0.2) 60%, transparent 100%);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 2rem;
}

.proyecto-card__cat {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--color-primario);
  margin-bottom: 0.4rem;
}

.proyecto-card__title {
  font-family: var(--fuente-titulos);
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--color-texto);
  margin-bottom: 0.5rem;
}

.proyecto-card__desc {
  font-size: 0.92rem;
  color: var(--color-texto-suave);
  line-height: 1.5;
}

/* ─── Sección Servicios (Cards con foco interactivo) ─── */
.servicios-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
}

.servicio-card {
  padding: 2.5rem 1.8rem;
  background: var(--vidrio-fondo);
  border: 1px solid var(--vidrio-borde);
  border-radius: var(--radio-md);
  transition: transform 0.3s ease, border-color 0.3s ease;
  display: flex;
  flex-direction: column;
  position: relative;
}

.servicio-card:hover {
  transform: translateY(-6px);
  border-color: var(--color-primario);
}

.servicio-card__icono {
  width: 52px;
  height: 52px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radio-sm);
  background: rgba(200, 149, 108, 0.12);
  border: 1px solid var(--borde-suave);
  color: var(--color-primario);
  margin-bottom: 1.5rem;
}

.servicio-card__title {
  font-family: var(--fuente-titulos);
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--color-texto);
  margin-bottom: 0.85rem;
}

.servicio-card__desc {
  font-size: 0.92rem;
  color: var(--color-texto-suave);
  line-height: 1.6;
}

/* ─── Sección Testimonios ─── */
.testimonios-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.testimonio-card {
  padding: 2.5rem 2rem;
  background: var(--vidrio-fondo);
  border: 1px solid var(--vidrio-borde);
  border-radius: var(--radio-md);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  position: relative;
}

.testimonio-card__comillas {
  font-family: var(--fuente-titulos);
  font-size: 3.5rem;
  line-height: 1;
  color: var(--color-primario);
  opacity: 0.4;
  margin-bottom: 0.5rem;
}

.testimonio-card__texto {
  font-size: 1rem;
  color: var(--color-texto);
  line-height: 1.7;
  font-style: italic;
  margin-bottom: 2rem;
}

.testimonio-card__autor {
  border-top: 1px solid var(--vidrio-borde);
  padding-top: 1.25rem;
}

.testimonio-card__nombre {
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--color-acento);
}

.testimonio-card__cargo {
  font-size: 0.8rem;
  color: var(--color-texto-suave);
}

/* ─── Sección Contacto ─── */
.contacto-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  background: var(--color-fondo-claro);
  border: 1px solid var(--borde-suave);
  border-radius: var(--radio-lg);
  padding: 4rem;
  box-shadow: var(--sombra-volumen);
}

.contacto-info__title {
  font-family: var(--fuente-titulos);
  font-size: 2.4rem;
  font-weight: 700;
  margin-bottom: 1rem;
}

.contacto-info__desc {
  font-size: 1.05rem;
  color: var(--color-texto-suave);
  margin-bottom: 2.5rem;
}

.contacto-datos {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  margin-bottom: 3rem;
}

.contacto-item {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
}

.contacto-item__icono {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: rgba(200, 149, 108, 0.12);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-primario);
  flex-shrink: 0;
}

.contacto-item__etiqueta {
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: var(--color-texto-suave);
  margin-bottom: 0.2rem;
}

.contacto-item__valor {
  font-size: 0.95rem;
  color: var(--color-texto);
  font-weight: 500;
  white-space: pre-line;
}

/* Formulario */
.formulario {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.form-label {
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--color-texto-suave);
}

.form-input, .form-textarea, .form-select {
  width: 100%;
  padding: 0.85rem 1.1rem;
  background: rgba(15, 17, 20, 0.7);
  border: 1px solid var(--vidrio-borde);
  border-radius: var(--radio-sm);
  color: var(--color-texto);
  transition: border-color 0.25s ease, background 0.25s ease;
}

.form-input:focus, .form-textarea:focus, .form-select:focus {
  border-color: var(--color-primario);
  background: rgba(15, 17, 20, 0.95);
  outline: none;
}

.form-textarea {
  min-height: 120px;
  resize: vertical;
}

.form-feedback {
  padding: 1rem;
  border-radius: var(--radio-sm);
  font-size: 0.9rem;
  display: none;
}

.form-feedback.exito {
  display: block;
  background: rgba(107, 203, 119, 0.15);
  border: 1px solid var(--color-exito);
  color: #B4F5BE;
}

/* ─── Botón Flotante de WhatsApp ─── */
.whatsapp-float {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  z-index: 999;
  width: 58px;
  height: 58px;
  border-radius: 50%;
  background: #25D366;
  color: #FFFFFF;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 10px 25px rgba(37, 211, 102, 0.4);
  transition: transform 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275), box-shadow 0.3s ease;
}

.whatsapp-float:hover {
  transform: scale(1.1);
  box-shadow: 0 14px 30px rgba(37, 211, 102, 0.6);
}

.whatsapp-float svg {
  width: 32px;
  height: 32px;
  fill: currentColor;
}

/* ─── Footer ─── */
.footer {
  border-top: 1px solid var(--vidrio-borde);
  background-color: var(--color-fondo);
  padding: 4.5rem 2rem 2rem;
  position: relative;
  z-index: 20;
}

.footer__grid {
  max-width: 1280px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: 3.5rem;
  margin-bottom: 3.5rem;
}

.footer__brand-desc {
  color: var(--color-texto-suave);
  font-size: 0.92rem;
  margin-top: 1rem;
  max-width: 320px;
  line-height: 1.6;
}

.footer__col-title {
  font-family: var(--fuente-titulos);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--color-texto);
  margin-bottom: 1.25rem;
}

.footer__links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.footer__links a {
  color: var(--color-texto-suave);
  font-size: 0.9rem;
}

.footer__links a:hover {
  color: var(--color-primario);
}

.footer__redes {
  display: flex;
  gap: 0.8rem;
  margin-top: 1rem;
}

.footer__red-btn {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: var(--vidrio-fondo);
  border: 1px solid var(--vidrio-borde);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-texto-suave);
  transition: all 0.25s ease;
}

.footer__red-btn:hover {
  color: var(--color-primario);
  border-color: var(--color-primario);
  transform: translateY(-2px);
}

.footer__bottom {
  max-width: 1280px;
  margin: 0 auto;
  border-top: 1px solid var(--vidrio-borde);
  padding-top: 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.85rem;
  color: var(--color-texto-suave);
  flex-wrap: wrap;
  gap: 1rem;
}

/* ─── Responsive & Adaptabilidad Móvil ─── */
@media (max-width: 1024px) {
  .servicios-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .footer__grid {
    grid-template-columns: 1fr 1fr;
  }
  
  .contacto-grid {
    grid-template-columns: 1fr;
    padding: 2.5rem;
    gap: 3rem;
  }
}

@media (max-width: 768px) {
  .aviso-demo {
    font-size: 0.72rem;
    height: 28px;
    padding: 0 0.5rem;
  }

  .nav {
    top: 28px;
    padding: 0.65rem 1.25rem;
  }

  .nav__logo-img {
    height: 30px;
  }

  .nav__links, .btn-cta-nav {
    display: none;
  }
  
  .nav__toggle {
    display: flex;
  }
  
  .nosotros-grid {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }
  
  .proyectos-grid {
    grid-template-columns: 1fr;
  }
  
  .testimonios-grid {
    grid-template-columns: 1fr;
  }
  
  .servicios-grid {
    grid-template-columns: 1fr;
  }
  
  .footer__grid {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }
  
  .tour-panel {
    left: 1rem !important;
    right: 1rem !important;
    bottom: 2rem !important;
    top: auto !important;
    transform: none !important;
    max-width: none !important;
    padding: 1.5rem !important;
    border-radius: var(--radio-md);
  }
  
  .tour-panel.activo {
    transform: none !important;
  }
  
  .tour-rail {
    display: none;
  }
}

/* ─── Respeto a Movimiento Reducido (prefers-reduced-motion) ─── */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  
  .webgl-canvas {
    pointer-events: none;
  }
  
  .scroll-cue__wheel {
    animation: none;
  }
}