/* ==========================================================================
   1. VARIABLES DE BRANDING Y RESET GENERAL
   ========================================================================== */

:root {
  /* Paleta de Colores de Estudio Aranda */
  --bg-main: #0D0D0C;          /* Negro carbón */
  --text-primary: #E9E5DC;     /* Marfil cálido */
  --text-secondary: #9A968E;   /* Gris piedra */
  --border-color: #34332F;     /* Grafito líneas */
  --accent-bronze: #C5A059;    /* Bronce/ocre tenue */

  /* Tipografías */
  --font-serif: 'Cormorant Garamond', Georgia, serif;
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;

  /* Estructura */
  --container-max-width: 1400px;
  --header-height: 80px;
}

/* Reset Básico y eliminación del recuadro celeste en táctil */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  -webkit-tap-highlight-color: transparent; /* Quita el recuadro celeste al tocar en celulares */
}

html {
  scroll-behavior: smooth;
  background-color: var(--bg-main);
  color: var(--text-primary);
  font-family: var(--font-sans);
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}

body {
  min-height: 100vh;
  overflow-x: hidden;
  line-height: 1.5;
}

a, button {
  color: inherit;
  text-decoration: none;
  outline: none;
}

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

/* Contenedor Global */
.container {
  width: 100%;
  max-width: var(--container-max-width);
  margin: 0 auto;
  padding: 0 2.5rem;
}

/* ==========================================================================
   2. HEADER / NAVBAR
   ========================================================================== */

.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: var(--header-height);
  z-index: 1000;
  background-color: rgba(13, 13, 12, 0.90);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(52, 51, 47, 0.6);
  display: flex;
  align-items: center;
}

.header-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

/* Marca / Logo */
.brand-logo {
  display: flex;
  align-items: center;
  z-index: 1002;
}

.logo-title {
  font-family: var(--font-serif);
  font-size: 1.25rem;
  font-weight: 500;
  letter-spacing: 3px;
  color: var(--text-primary);
  text-transform: uppercase;
  transition: opacity 0.3s ease;
}

.brand-logo:hover .logo-title {
  opacity: 0.8;
}

/* Menú Desktop */
.nav-menu {
  display: flex;
  align-items: center;
  gap: 2.8rem;
}

.nav-link {
  font-family: var(--font-sans);
  font-size: 0.68rem;
  font-weight: 400;
  letter-spacing: 2.5px;
  color: var(--text-secondary);
  text-transform: uppercase;
  transition: color 0.3s ease;
  position: relative;
  padding: 0.4rem 0;
}

.nav-link:hover {
  color: var(--text-primary);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0%;
  height: 1px;
  background-color: var(--accent-bronze);
  transition: width 0.3s ease;
}

.nav-link:hover::after {
  width: 100%;
}

/* Botón Hamburguesa */
.mobile-toggle {
  display: none;
  width: 30px;
  height: 20px;
  position: relative;
  z-index: 1002;
  flex-direction: column;
  justify-content: space-between;
  background: transparent;
  border: none;
  cursor: pointer;
  padding: 0;
}

.hamburger-line {
  display: block;
  width: 100%;
  height: 1.5px;
  background-color: var(--text-primary);
  transition: transform 0.4s cubic-bezier(0.77, 0, 0.175, 1), opacity 0.3s ease;
}

/* Transformación de Hamburguesa a 'X' */
.mobile-toggle.is-active .hamburger-line:nth-child(1) {
  transform: translateY(9px) rotate(45deg);
}

.mobile-toggle.is-active .hamburger-line:nth-child(2) {
  transform: translateY(-9.5px) rotate(-45deg);
}

/* Telón de Fondo (Overlay) */
.nav-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background-color: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(4px);
  z-index: 998;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.4s ease;
}

.nav-overlay.is-active {
  opacity: 1;
  pointer-events: auto;
}

/* ==========================================================================
   3. ADAPTABILIDAD MOBILE (Navegación fluida y minimalista)
   ========================================================================== */

@media (max-width: 900px) {
  .container {
    padding: 0 1.5rem;
  }

  .mobile-toggle {
    display: flex;
  }

  /* Menú desplegable compacto con animación orgánica (Fade + Soft Slide) */
  .nav-menu {
    position: fixed;
    top: var(--header-height);
    left: 0;
    width: 100%;
    height: auto;
    background-color: rgba(13, 13, 12, 0.98);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    flex-direction: column;
    justify-content: flex-start;
    align-items: center;
    padding: 2.6rem 1.5rem;
    gap: 1.8rem;
    z-index: 999;
    border-bottom: 1px solid rgba(52, 51, 47, 0.8);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.8);

    /* Estado inicial Oculto: Suave elevación y desvanecimiento */
    opacity: 0;
    visibility: hidden;
    transform: translateY(-12px);
    pointer-events: none;
    transition: opacity 0.35s cubic-bezier(0.16, 1, 0.3, 1),
                transform 0.35s cubic-bezier(0.16, 1, 0.3, 1),
                visibility 0.35s ease;
  }

  /* Micro-animación para los textos del menú */
  .nav-menu .nav-link {
    font-size: 0.82rem;
    letter-spacing: 3px;
    opacity: 0;
    transform: translateY(-6px);
    transition: opacity 0.3s ease, transform 0.3s ease;
  }

  /* Estado Abierto: Entrada limpia y suave */
  .nav-menu.is-open {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
    pointer-events: auto;
  }

  .nav-menu.is-open .nav-link {
    opacity: 1;
    transform: translateY(0);
    transition-delay: 0.08s; /* Ligero retraso elegante al aparecer */
  }
}

/* ==========================================================================
   AJUSTE DE NAVBAR EN CELULARES (Móvil)
   ========================================================================== */

@media (max-width: 768px) {
  :root {
    --header-height: 58px;
  }

  .header {
    height: 58px;
  }

  .nav-menu {
    top: 58px;
  }

  .logo-title {
    font-size: 1.05rem;
    letter-spacing: 2px;
  }

  .mobile-toggle {
    width: 26px;
    height: 16px;
  }

  .mobile-toggle.is-active .hamburger-line:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
  }

  .mobile-toggle.is-active .hamburger-line:nth-child(2) {
    transform: translateY(-7.5px) rotate(-45deg);
  }
}
/* ==========================================================================
   4. HERO SECTION (EDITORIAL & CINEMATIC SLIDER)
   ========================================================================== */

.hero {
  position: relative;
  width: 100%;
  height: 100vh;
  height: 100dvh;
  display: flex;
  align-items: flex-end;
  overflow: hidden;
  background-color: #0b0c0e;
}

/* Slider de imágenes de fondo */
.hero-slides {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
}

.hero-slide {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  opacity: 0;
  transform: scale(1.08);
  transition: opacity 1.8s ease-in-out, transform 7s cubic-bezier(0.25, 1, 0.5, 1);
  will-change: opacity, transform;
}

.hero-slide.active {
  opacity: 1;
  transform: scale(1);
}

/* Overlay ligero para contraste */
.hero-bg-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    180deg, 
    rgba(11, 12, 14, 0.40) 0%, 
    rgba(11, 12, 14, 0.15) 50%, 
    rgba(11, 12, 14, 0.88) 100%
  ),
  linear-gradient(
    90deg,
    rgba(11, 12, 14, 0.55) 0%,
    rgba(11, 12, 14, 0.0) 60%
  );
  z-index: 1;
  pointer-events: none;
}

.hero-container {
  position: relative;
  z-index: 2;
  width: 100%;
  height: 100%;
  padding-bottom: 2.5rem;
  padding-top: 6rem; /* Espacio para el header */
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  box-sizing: border-box;
}

.hero-content {
  max-width: 620px;
  margin-bottom: 3rem;
}

/* Tag superior */
.hero-tag {
  font-family: var(--font-sans);
  font-size: 0.68rem;
  font-weight: 500;
  letter-spacing: 4px;
  color: var(--accent-bronze);
  text-transform: uppercase;
  margin-bottom: 1.2rem;
  display: inline-block;
}

/* Titular Principal Editorial */
.hero-title {
  font-family: var(--font-serif);
  font-size: clamp(2.8rem, 5.5vw, 5.2rem);
  font-weight: 300;
  line-height: 1.05;
  color: #ffffff;
  letter-spacing: -0.5px;
  margin: 0 0 1.2rem 0;
  text-shadow: 0 2px 20px rgba(0, 0, 0, 0.4);
}

/* Descripción */
.hero-description {
  font-family: var(--font-sans);
  font-size: 0.92rem;
  font-weight: 300;
  line-height: 1.65;
  color: rgba(255, 255, 255, 0.85);
  margin: 0;
  max-width: 460px;
}

/* Pie del Hero / Ficha de Proyecto */
.hero-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 1.2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.15);
  width: 100%;
}

.hero-project-info {
  display: flex;
  align-items: center;
  gap: 12px;
  font-family: var(--font-sans);
  font-size: 0.72rem;
  letter-spacing: 2px;
}

.hero-project-counter {
  color: var(--accent-bronze);
  font-weight: 500;
}

.hero-project-divider {
  color: rgba(255, 255, 255, 0.3);
}

.hero-project-title {
  color: #ffffff;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: color 0.3s ease;
  font-weight: 400;
}

.hero-project-arrow {
  color: var(--accent-bronze);
  transition: transform 0.3s ease;
}

.hero-project-title:hover {
  color: var(--accent-bronze);
}

.hero-project-title:hover .hero-project-arrow {
  transform: translateX(5px);
}

/* Indicadores de Puntos (Dots) */
.hero-dots {
  display: flex;
  align-items: center;
  gap: 10px;
}

.hero-dot {
  width: 24px;
  height: 2px;
  background-color: rgba(255, 255, 255, 0.25);
  border: none;
  padding: 0;
  cursor: pointer;
  transition: all 0.4s ease;
}

.hero-dot.active {
  background-color: var(--accent-bronze);
  width: 40px;
}


/* ==========================================
   ADAPTABILIDAD RESPONSIVE (CELULAR)
   ========================================== */
@media (max-width: 768px) {
  .hero {
    height: 88dvh; /* Cubre el 100% exacto de la pantalla limpia */
  }

  .hero-slide {
    background-position: center 35%; /* Centra ópticamente el encuadre arquitectónico */
  }

  .hero-container {
    padding-top: 5.5rem;
    padding-bottom: 1.8rem;
    justify-content: flex-end;
  }

  .hero-content {
    margin-bottom: 2rem;
  }

  .hero-tag {
    font-size: 0.60rem;
    letter-spacing: 3px;
    margin-bottom: 0.6rem;
  }

  .hero-title {
    font-size: clamp(2.2rem, 8.5vw, 2.9rem);
    line-height: 1.1;
    margin-bottom: 0.8rem;
  }

  .hero-description {
    font-size: 0.82rem;
    line-height: 1.5;
    color: rgba(255, 255, 255, 0.8);
  }

  .hero-footer {
    padding-top: 1rem;
    border-top: 1px solid rgba(255, 255, 255, 0.18);
  }

  .hero-project-info {
    font-size: 0.65rem;
    letter-spacing: 1.5px;
  }

  .hero-dot {
    width: 16px;
  }

  .hero-dot.active {
    width: 28px;
  }
}

/* ==========================================================================
   5. SECCIÓN OBRAS / PORTFOLIO
   ========================================================================== */

.obras {
  padding: 8rem 0;
  background-color: var(--bg-main);
  border-top: 1px solid var(--border-color);
}

.obras-header {
  margin-bottom: 3.5rem;
}

.section-tag {
  font-family: var(--font-sans);
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 4px;
  color: var(--accent-bronze);
  text-transform: uppercase;
  margin-bottom: 1.2rem;
  display: block;
}

.section-title {
  font-family: var(--font-serif);
  font-size: clamp(2.2rem, 4vw, 3.8rem);
  font-weight: 400;
  line-height: 1.1;
  color: var(--text-primary);
  margin-bottom: 1.2rem;
}

.section-desc {
  font-family: var(--font-sans);
  font-size: 0.92rem;
  font-weight: 300;
  color: var(--text-secondary);
  max-width: 520px;
  line-height: 1.6;
}

/* Filtros de Categoría */
.obras-filters {
  display: flex;
  align-items: center;
  gap: 2rem;
  margin-bottom: 3.5rem;
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 1rem;
  overflow-x: auto;
  white-space: nowrap;
}

.filter-btn {
  font-family: var(--font-sans);
  font-size: 0.70rem;
  font-weight: 500;
  letter-spacing: 2.5px;
  color: var(--text-secondary);
  text-transform: uppercase;
  padding: 0.4rem 0;
  position: relative;
  transition: color 0.3s ease;
}

.filter-btn:hover {
  color: var(--text-primary);
}

.filter-btn.active {
  color: var(--text-primary);
}

.filter-btn::after {
  content: '';
  position: absolute;
  bottom: -1rem;
  left: 0;
  width: 0%;
  height: 2px;
  background-color: var(--accent-bronze);
  transition: width 0.3s ease;
}

.filter-btn.active::after {
  width: 100%;
}

/* Grilla de Proyectos (4 Columnas en escritorio) */
.obras-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
}

/* Tarjeta individual */
.obra-card {
  transition: opacity 0.4s ease, transform 0.4s ease;
}

.obra-card-inner {
  display: flex;
  flex-direction: column;
  height: 100%;
}

/* Imagen con zoom al hacer hover */
.obra-img-wrapper {
  width: 100%;
  aspect-ratio: 16 / 11;
  overflow: hidden;
  margin-bottom: 1.4rem;
  background-color: #1a1a18;
}

.obra-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s cubic-bezier(0.25, 1, 0.5, 1);
}

.obra-card-inner:hover .obra-img {
  transform: scale(1.06);
}

/* Información de la obra */
.obra-content {
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.obra-num {
  font-family: var(--font-sans);
  font-size: 0.75rem;
  color: var(--accent-bronze);
  font-weight: 500;
  margin-bottom: 0.4rem;
}

.obra-title {
  font-family: var(--font-serif);
  font-size: 1.45rem;
  font-weight: 400;
  color: var(--text-primary);
  margin-bottom: 0.3rem;
  transition: color 0.3s ease;
}

.obra-card-inner:hover .obra-title {
  color: var(--accent-bronze);
}

.obra-type {
  font-family: var(--font-sans);
  font-size: 0.75rem;
  color: var(--text-secondary);
  margin-bottom: 0.2rem;
}

.obra-location {
  font-family: var(--font-sans);
  font-size: 0.72rem;
  color: rgba(154, 150, 142, 0.7);
  margin-bottom: 1.2rem;
}

/* Pie de tarjeta */
.obra-footer {
  margin-top: auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 0.8rem;
  border-top: 1px solid rgba(52, 51, 47, 0.5);
}

.obra-year {
  font-family: var(--font-sans);
  font-size: 0.72rem;
  color: var(--text-secondary);
}

.obra-arrow {
  font-size: 0.95rem;
  color: var(--text-secondary);
  transition: transform 0.3s ease, color 0.3s ease;
}

.obra-card-inner:hover .obra-arrow {
  transform: translateX(5px);
  color: var(--accent-bronze);
}

/* Responsive / Adaptabilidad */
@media (max-width: 1100px) {
  .obras-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 2.5rem 1.8rem;
  }
}

@media (max-width: 768px) {
  .obras {
    padding: 4rem 0;
  }

  .obras-header {
    margin-bottom: 2rem;
  }

  .section-tag {
    margin-bottom: 0.6rem;
  }

  .section-title {
    font-size: 2.1rem;
    line-height: 1.15;
    margin-bottom: 0.8rem;
  }

  .section-desc {
    font-size: 0.85rem;
    line-height: 1.5;
  }

  /* Filtros con scroll horizontal limpio en mobile */
  .obras-filters {
    gap: 1.5rem;
    margin-bottom: 2.5rem;
    padding-bottom: 0.6rem;
    display: flex;
    overflow-x: auto;
    white-space: nowrap;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
  }

  .obras-filters::-webkit-scrollbar {
    display: none;
  }

  .filter-btn {
    font-size: 0.68rem;
    letter-spacing: 2px;
    flex-shrink: 0;
  }

  /* Grilla en 1 sola columna con imágenes destacadas */
  .obras-grid {
    grid-template-columns: 1fr;
    gap: 3.5rem;
  }

  .obra-img-wrapper {
    aspect-ratio: 4 / 3;
    margin-bottom: 1rem;
    border-radius: 2px;
  }

  .obra-title {
    font-size: 1.35rem;
  }

  .obra-location {
    margin-bottom: 0.8rem;
  }
}
/* ==========================================================================
   6. SECCIÓN ESTUDIO / TRAYECTORIA
   ========================================================================== */

.estudio {
  padding-top: 8rem;
  background-color: var(--bg-main);
  border-top: 1px solid var(--border-color);
}

/* Layout 3 Columnas */
.estudio-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr 1fr;
  gap: 3.5rem;
  align-items: flex-start;
  margin-bottom: 5rem;
}

/* Columna 1: Texto y Manifiesto */
.estudio-lead {
  font-family: var(--font-sans);
  font-size: 0.95rem;
  font-weight: 300;
  line-height: 1.65;
  color: var(--text-primary);
  margin-bottom: 2rem;
}

.estudio-divider {
  width: 30px;
  height: 1px;
  background-color: var(--accent-bronze);
  margin-bottom: 1.8rem;
}

.estudio-subtitle {
  font-family: var(--font-serif);
  font-size: 1.35rem;
  font-weight: 400;
  color: var(--text-primary);
  margin-bottom: 0.8rem;
}

.estudio-desc {
  font-family: var(--font-sans);
  font-size: 0.88rem;
  font-weight: 300;
  line-height: 1.6;
  color: var(--text-secondary);
}

/* Columna 2: Retrato */
.portrait-wrapper {
  width: 100%;
  aspect-ratio: 3 / 4;
  overflow: hidden;
  background-color: #1a1a18;
  border: 1px solid rgba(52, 51, 47, 0.4);
}

.portrait-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: grayscale(20%) contrast(1.05); /* Tono editorial sobrio */
  transition: transform 0.6s ease;
}

.portrait-wrapper:hover .portrait-img {
  transform: scale(1.03);
}

/* Columna 3: Trayectoria y Timeline */
.timeline-tag {
  font-family: var(--font-sans);
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 4px;
  color: var(--accent-bronze);
  text-transform: uppercase;
  margin-bottom: 2rem;
  display: block;
}

.timeline-list {
  list-style: none;
  position: relative;
  padding-left: 1.2rem;
  border-left: 1px solid var(--border-color);
  display: flex;
  flex-direction: column;
  gap: 1.8rem;
}

.timeline-item {
  display: grid;
  grid-template-columns: 50px 1fr;
  align-items: baseline;
  gap: 1.2rem;
  position: relative;
}

/* Puntos de la línea de tiempo */
.timeline-item::before {
  content: '';
  position: absolute;
  left: calc(-1.2rem - 3.5px);
  top: 6px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background-color: var(--accent-bronze);
}

.timeline-year {
  font-family: var(--font-sans);
  font-size: 0.82rem;
  font-weight: 500;
  color: var(--accent-bronze);
}

.timeline-content strong {
  font-family: var(--font-sans);
  font-size: 0.85rem;
  font-weight: 400;
  color: var(--text-primary);
  display: block;
}

.timeline-content p {
  font-family: var(--font-sans);
  font-size: 0.75rem;
  color: var(--text-secondary);
  margin-top: 0.2rem;
}

/* Franja de Métricas (Centradas en 1 fila) */
.estudio-metrics {
  display: grid;
  grid-template-columns: repeat(3, 1fr); /* 1 sola fila con 3 columnas siempre */
  gap: 1rem;
  padding: 3.5rem 0;
  border-top: 1px solid var(--border-color);
  border-bottom: 1px solid var(--border-color);
  margin-bottom: 6rem;
  text-align: center;
}

.metric-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  position: relative;
  padding: 0 0.5rem;
}

/* Divisores verticales sutiles entre cada número */
.metric-item:not(:last-child)::after {
  content: '';
  position: absolute;
  right: 0;
  top: 15%;
  height: 70%;
  width: 1px;
  background-color: var(--border-color);
}

.metric-num {
  font-family: var(--font-serif);
  font-size: 3.4rem;
  font-weight: 400;
  line-height: 1;
  color: var(--accent-bronze); /* Color de acento para jerarquía visual */
  margin-bottom: 0.6rem;
}

.metric-label {
  font-family: var(--font-sans);
  font-size: 0.72rem;
  font-weight: 400;
  letter-spacing: 2px;
  color: var(--text-secondary);
  text-transform: uppercase;
}

/* Banner Panorámico de Cita */
.estudio-quote-banner {
  position: relative;
  width: 100%;
  height: 380px;
  background-image: url('https://images.unsplash.com/photo-1506744038136-46273834b3fb?q=80&w=2000&auto=format&fit=crop');
  background-size: cover;
  background-position: center;
  background-attachment: fixed; /* Efecto Parallax elegante */
  display: flex;
  align-items: center;
}

.quote-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(13, 13, 12, 0.75);
}

.quote-container {
  position: relative;
  z-index: 2;
}

.quote-text {
  font-family: var(--font-serif);
  font-size: clamp(1.8rem, 3.5vw, 3.2rem);
  font-weight: 300;
  font-style: italic;
  color: var(--text-primary);
  max-width: 750px;
  line-height: 1.25;
}

/* ADAPTABILIDAD MOBILE (768px) */
@media (max-width: 900px) {
  .estudio {
    padding-top: 5rem;
  }

  .estudio-grid {
    grid-template-columns: 1fr;
    gap: 3.5rem;
    margin-bottom: 3.5rem;
  }

  .portrait-wrapper {
    aspect-ratio: 4 / 3; /* Más apaisado en mobile para no ocupar tanto espacio vertical */
  }

  /* Métricas en Mobile: 1 sola fila compacta y centrada */
  .estudio-metrics {
    grid-template-columns: repeat(3, 1fr); /* Mantiene la fila única */
    padding: 2.2rem 0;
    margin-bottom: 4rem;
    gap: 0.2rem;
  }

  .metric-num {
    font-size: 2rem; /* Tamaño adecuado para pantalla móvil */
    margin-bottom: 0.3rem;
  }

  .metric-label {
    font-size: 0.60rem; /* Escala legible para 3 columnas en teléfono */
    letter-spacing: 1px;
    line-height: 1.25;
  }
}
/* ==========================================================================
   7. SECCIÓN MATERIA
   ========================================================================== */

.materia {
  padding: 8rem 0;
  background-color: var(--bg-main);
  border-top: 1px solid var(--border-color);
}

.materia-grid {
  display: grid;
  grid-template-columns: 1fr 1.6fr;
  gap: 4rem;
  align-items: flex-start;
  margin-bottom: 5rem;
}

.materia-header {
  position: sticky;
  top: calc(var(--header-height) + 2rem);
}

/* Lista de Materiales */
.materia-list {
  display: flex;
  flex-direction: column;
  border-top: 1px solid var(--border-color);
}

.materia-item {
  display: grid;
  grid-template-columns: 220px 1fr;
  align-items: center;
  padding: 1.5rem 0;
  border-bottom: 1px solid var(--border-color);
  cursor: pointer;
}

.materia-img-wrapper {
  width: 100%;
  height: 110px;
  overflow: hidden;
  background-color: #1a1a18;
}

.materia-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: grayscale(40%);
  transition: transform 0.6s cubic-bezier(0.25, 1, 0.5, 1), filter 0.6s ease;
}

.materia-item:hover .materia-img {
  transform: scale(1.08);
  filter: grayscale(0%);
}

.materia-info {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-left: 2rem;
  padding-right: 1rem;
}

.materia-name {
  font-family: var(--font-serif);
  font-size: 1.6rem;
  font-weight: 400;
  color: var(--text-primary);
  margin-bottom: 0.3rem;
  transition: color 0.3s ease;
}

.materia-item:hover .materia-name {
  color: var(--accent-bronze);
}

.materia-keywords {
  font-family: var(--font-sans);
  font-size: 0.76rem;
  font-weight: 300;
  letter-spacing: 1.5px;
  color: var(--text-secondary);
}

.materia-arrow {
  font-size: 1.2rem;
  color: var(--text-secondary);
  transition: transform 0.3s ease, color 0.3s ease;
}

.materia-item:hover .materia-arrow {
  transform: translateX(8px);
  color: var(--accent-bronze);
}

/* Cita inferior */
.materia-quote-block {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1.5rem;
  padding-top: 3.5rem;
  border-top: 1px solid rgba(52, 51, 47, 0.4);
  text-align: center;
}

.quote-line {
  width: 32px;
  height: 1px;
  background-color: var(--accent-bronze);
}

.materia-quote-text {
  font-family: var(--font-serif);
  font-size: 1.25rem;
  font-weight: 300;
  font-style: italic;
  color: var(--text-primary);
}

/* ADAPTABILIDAD MOBILE (768px) */
@media (max-width: 900px) {
  .materia {
    padding: 5rem 0;
  }

  .materia-grid {
    grid-template-columns: 1fr;
    gap: 3rem;
    margin-bottom: 3rem;
  }

  .materia-header {
    position: static;
  }

  .materia-item {
    grid-template-columns: 110px 1fr;
    padding: 1.2rem 0;
  }

  .materia-img-wrapper {
    height: 80px;
  }

  .materia-info {
    padding-left: 1.2rem;
    padding-right: 0.2rem;
  }

  .materia-name {
    font-size: 1.25rem;
  }

  .materia-keywords {
    font-size: 0.68rem;
    letter-spacing: 0.5px;
  }

  .materia-quote-block {
    flex-direction: column;
    gap: 0.8rem;
    padding-top: 2.5rem;
  }

  .materia-quote-text {
    font-size: 1.05rem;
    line-height: 1.4;
  }
}
/* ==========================================================================
   8. SECCIÓN PROCESO Y FAQ (ESTILO EDITORIAL REALISTA)
   ========================================================================== */

.proceso {
  padding: 7rem 0;
  background-color: var(--bg-main);
  border-top: 1px solid var(--border-color);
}

.proceso-header {
  max-width: 680px;
  margin-bottom: 4rem;
}

.proceso-layout {
  display: grid;
  grid-template-columns: 2.2fr 1fr;
  gap: 4rem;
  align-items: flex-start;
}

/* --- GRID DE ETAPAS (2 Columnas x 2 Filas para mayor presencia) --- */
.etapas-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2.5rem 2rem;
}

.etapa-card {
  display: flex;
  flex-direction: column;
  background-color: rgba(255, 255, 255, 0.015);
  border: 1px solid var(--border-color);
  padding: 1.5rem;
  transition: border-color 0.3s ease, transform 0.3s ease;
}

.etapa-card:hover {
  border-color: var(--accent-bronze);
  transform: translateY(-3px);
}

.etapa-img-wrapper {
  position: relative;
  width: 100%;
  height: 180px;
  overflow: hidden;
  margin-bottom: 1.2rem;
  background-color: #1a1a18;
}

.etapa-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: grayscale(40%);
  transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1), filter 0.6s ease;
}

.etapa-card:hover .etapa-img {
  transform: scale(1.05);
  filter: grayscale(0%);
}

.etapa-badge {
  position: absolute;
  top: 12px;
  left: 12px;
  background-color: rgba(11, 12, 14, 0.85);
  backdrop-filter: blur(4px);
  color: var(--accent-bronze);
  font-family: var(--font-sans);
  font-size: 0.65rem;
  font-weight: 500;
  letter-spacing: 1.5px;
  padding: 4px 10px;
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.etapa-title {
  font-family: var(--font-serif);
  font-size: 1.4rem;
  font-weight: 300;
  color: var(--text-primary);
  margin: 0 0 0.2rem 0;
  line-height: 1.2;
}

.etapa-duracion {
  font-family: var(--font-sans);
  font-size: 0.75rem;
  color: var(--accent-bronze);
  letter-spacing: 0.5px;
  display: block;
  margin-bottom: 1rem;
}

.etapa-list {
  list-style: none;
  padding: 0;
  margin: 0 0 1.5rem 0;
  border-top: 1px solid var(--border-color);
  padding-top: 1rem;
  flex-grow: 1;
}

.etapa-list li {
  font-family: var(--font-sans);
  font-size: 0.8rem;
  color: var(--text-secondary);
  position: relative;
  padding-left: 1rem;
  margin-bottom: 0.5rem;
  line-height: 1.4;
}

.etapa-list li::before {
  content: "—";
  position: absolute;
  left: 0;
  color: var(--accent-bronze);
  font-size: 0.75rem;
}

.etapa-entregable {
  margin-top: auto;
  padding-top: 0.8rem;
  border-top: 1px dashed var(--border-color);
  font-family: var(--font-sans);
  font-size: 0.72rem;
  line-height: 1.4;
}

.entregable-label {
  color: #777;
  display: block;
  font-size: 0.65rem;
  letter-spacing: 1px;
  margin-bottom: 2px;
}

.entregable-val {
  color: var(--text-primary);
  font-weight: 400;
}

/* --- SIDEBAR PREGUNTAS FRECUENTES (FAQ) --- */
.faq-sidebar {
  padding-left: 2rem;
  border-left: 1px solid var(--border-color);
  position: sticky;
  top: 100px;
}

.faq-sidebar-title {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  font-weight: 300;
  color: var(--text-primary);
  margin: 0.5rem 0 1.5rem 0;
  line-height: 1.2;
}

.faq-list {
  margin-bottom: 2.5rem;
  border-top: 1px solid var(--border-color);
}

.faq-item {
  border-bottom: 1px solid var(--border-color);
}

.faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.1rem 0;
  font-family: var(--font-serif);
  font-size: 1.05rem;
  color: var(--text-primary);
  cursor: pointer;
  list-style: none;
}

.faq-question::-webkit-details-marker {
  display: none;
}

.faq-icon {
  font-family: var(--font-sans);
  font-size: 1.1rem;
  color: var(--text-secondary);
  transition: transform 0.3s ease, color 0.3s ease;
  margin-left: 10px;
}

details[open] .faq-icon {
  transform: rotate(45deg);
  color: var(--accent-bronze);
}

.faq-answer {
  padding-bottom: 1.2rem;
  font-family: var(--font-sans);
  font-size: 0.82rem;
  line-height: 1.6;
  color: var(--text-secondary);
}

.faq-answer p {
  margin: 0;
}

.btn-faq {
  display: block;
  padding: 0.9rem 1.2rem;
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  font-family: var(--font-sans);
  font-size: 0.72rem;
  letter-spacing: 1.5px;
  text-decoration: none;
  text-align: center;
  transition: all 0.3s ease;
  box-sizing: border-box;
}

.btn-faq:hover {
  border-color: var(--accent-bronze);
  color: var(--accent-bronze);
  background-color: rgba(163, 129, 85, 0.05);
}

/* ADAPTABILIDAD RESPONSIVE */
@media (max-width: 1100px) {
  .proceso-layout {
    grid-template-columns: 1fr;
    gap: 4rem;
  }

  .faq-sidebar {
    padding-left: 0;
    border-left: none;
    border-top: 1px solid var(--border-color);
    padding-top: 3rem;
    position: static;
  }
}

@media (max-width: 768px) {
  .proceso {
    padding: 4.5rem 0;
  }

  .etapas-grid {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }

  .etapa-card {
    padding: 1.2rem;
  }

  .etapa-img-wrapper {
    height: 160px;
  }
}

/* ==========================================================================
   9. SECCIÓN CONTACTO (Diseño Editorial Elevado + Mini Slider)
   ========================================================================== */

.contacto {
  padding: 8rem 0;
  background-color: var(--bg-main);
  border-top: 1px solid var(--border-color);
}

.contacto-grid {
  display: grid;
  grid-template-columns: 1.3fr 1fr;
  gap: 5rem;
  align-items: stretch;
}

/* --- COLUMNA IZQUIERDA: FORMULARIO --- */
.contacto-title {
  font-family: var(--font-serif);
  font-size: 2.8rem;
  font-weight: 300;
  line-height: 1.15;
  color: var(--text-primary);
  margin-top: 0;
  margin-bottom: 0.8rem;
}

.contacto-desc {
  font-family: var(--font-sans);
  font-size: 0.9rem;
  color: var(--text-secondary);
  margin-bottom: 3rem;
  line-height: 1.6;
}

.contacto-form {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
}

.form-group {
  display: flex;
  flex-direction: column;
  position: relative;
}

.form-group label {
  font-family: var(--font-sans);
  font-size: 0.8rem;
  color: var(--text-secondary);
  margin-bottom: 0.5rem;
  letter-spacing: 0.5px;
}

.form-group input[type="text"],
.form-group input[type="email"],
.form-group select {
  background: transparent;
  border: none;
  border-bottom: 1px solid var(--border-color);
  padding: 0.6rem 0;
  font-family: var(--font-sans);
  font-size: 0.95rem;
  color: var(--text-primary);
  outline: none;
  border-radius: 0;
  transition: border-color 0.3s ease;
}

.form-group select {
  cursor: pointer;
  appearance: none;
  -webkit-appearance: none;
  background-image: url("data:image/svg+xml;charset=US-ASCII,%3Csvg%20xmlns%3D%22http%3A%22%2F%2Fwww.w3.org%2F2000%2Fsvg%22%20width%3D%22292.4%22%20height%3D%22292.4%22%3E%3Cpath%20fill%3D%22%23888888%22%20d%3D%22M287%2069.4a17.6%2017.6%200%200%200-13-5.4H18.4c-5%200-9.3%201.8-12.9%205.4A17.6%2017.6%200%200%200%200%2082.2c0%205%201.8%209.3%205.4%2012.9l128%20127.9c3.6%203.6%207.8%205.4%2012.8%205.4s9.2-1.8%2012.8-5.4L287%2095c3.5-3.5%205.4-7.8%205.4-12.8%200-5-1.9-9.2-5.5-12.8z%22%2F%3E%3C%2Fsvg%3E");
  background-repeat: no-repeat;
  background-position: right 0px center;
  background-size: 0.65rem auto;
  padding-right: 1.5rem;
}

.form-group select option {
  background-color: var(--bg-main);
  color: var(--text-primary);
}

.form-group textarea {
  background: transparent;
  border: 1px solid var(--border-color);
  padding: 0.8rem;
  font-family: var(--font-sans);
  font-size: 0.95rem;
  color: var(--text-primary);
  outline: none;
  resize: none;
  height: 120px;
  overflow-y: auto;
  transition: border-color 0.3s ease;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--accent-bronze, #cbb399);
}

/* Botón Iniciar Conversación */
.btn-contacto {
  align-self: flex-start;
  background-color: #cbb399;
  color: #111111;
  border: none;
  padding: 1.1rem 2.2rem;
  font-family: var(--font-sans);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 0.8rem;
  margin-top: 1rem;
  transition: background-color 0.3s ease, transform 0.2s ease;
}

.btn-contacto:hover {
  background-color: #d8c2aa;
  transform: translateY(-2px);
}

.btn-contacto span {
  font-size: 1rem;
}

/* --- COLUMNA DERECHA: INFO Y FOTO --- */
.contacto-info-wrapper {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 2rem;
  height: 100%;
}

/* Tarjeta de Contacto alineada con los inputs del formulario */
.contacto-info-card {
  margin-top: 5.5rem;
  display: flex;
  flex-direction: column;
  gap: 1.8rem;
}

/* Status Badge Exclusivo */
.status-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
}

.status-dot {
  width: 7px;
  height: 7px;
  background-color: #cbb399;
  border-radius: 50%;
  box-shadow: 0 0 8px rgba(203, 179, 153, 0.6);
}

.status-text {
  font-family: var(--font-sans);
  font-size: 0.72rem;
  letter-spacing: 1.5px;
  color: var(--text-secondary);
  text-transform: uppercase;
}

/* Grilla de 2 filas x 2 columnas */
.contacto-directo {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.6rem 1.2rem;
  align-items: center;
}

.info-item {
  display: flex;
  align-items: center;
  gap: 0.8rem;
  font-family: var(--font-sans);
  font-size: 0.88rem;
  color: var(--text-secondary);
}

.info-icon {
  width: 18px;
  height: 18px;
  color: #cbb399;
  flex-shrink: 0;
}

.info-item a {
  color: var(--text-secondary);
  text-decoration: none;
  transition: color 0.3s ease;
}

.info-item a:hover {
  color: var(--text-primary);
}

.social-links {
  display: flex;
  align-items: center;
  gap: 1.2rem;
}

.social-links a {
  font-family: var(--font-sans);
  font-size: 0.88rem;
  color: var(--text-secondary);
  text-decoration: none;
  transition: color 0.3s ease;
}

.social-links a:hover {
  color: var(--text-primary);
}

/* Llamada CTA */
.llamada-cta {
  padding-top: 1.2rem;
  border-top: 1px solid var(--border-color);
}

.link-llamada {
  font-family: var(--font-sans);
  font-size: 0.85rem;
  color: var(--text-primary) !important;
  text-decoration: none !important;
  letter-spacing: 0.3px;
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  transition: color 0.3s ease, transform 0.2s ease;
}

.link-llamada:hover {
  color: #cbb399 !important;
  transform: translateX(4px);
}

/* --- MINI SLIDER DE IMÁGENES --- */
.contacto-img-container.contacto-slider {
  width: 100%;
  height: 310px;
  margin-top: auto;
  overflow: hidden;
  background-color: #1a1a18;
  position: relative;
}

.contacto-slide {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-size: cover;
  background-position: center;
  filter: grayscale(20%);
  opacity: 0;
  transition: opacity 1.2s ease-in-out, transform 1.8s cubic-bezier(0.25, 1, 0.5, 1);
  transform: scale(1);
}

.contacto-slide.active {
  opacity: 1;
  transform: scale(1.04);
}

/* RESPONSIVE */
@media (max-width: 992px) {
  .contacto-grid {
    grid-template-columns: 1fr;
    gap: 4rem;
    align-items: flex-start;
  }
  
  .contacto-info-wrapper {
    height: auto;
  }

  .contacto-info-card {
    margin-top: 0;
  }

  .contacto-img-container.contacto-slider {
    margin-top: 2.5rem;
  }
}

@media (max-width: 576px) {
  .contacto {
    padding: 5rem 0;
  }

  .contacto-directo {
    grid-template-columns: 1fr;
    gap: 1.2rem;
  }

  .form-row {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .contacto-title {
    font-size: 2.2rem;
  }

  .btn-contacto {
    width: 100%;
    justify-content: center;
  }
}

/* ==========================================================================
   10. FOOTER
   ========================================================================== */

.footer {
  background-color: var(--bg-main);
  padding: 5rem 0 3rem;
  border-top: 1px solid var(--border-color);
  font-family: var(--font-sans);
}

.footer-top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 3rem;
  flex-wrap: wrap;
  margin-bottom: 3.5rem;
}

/* Marca */
.footer-brand {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.footer-logo {
  font-family: var(--font-serif);
  font-size: 1.35rem;
  letter-spacing: 2.5px;
  color: var(--text-primary);
  font-weight: 400;
  text-transform: uppercase;
}

.footer-tagline {
  font-size: 0.8rem;
  color: var(--text-secondary);
  letter-spacing: 0.5px;
}

/* Enlaces de Navegación */
.footer-nav {
  display: flex;
  gap: 2.2rem;
  flex-wrap: wrap;
}

.footer-nav a {
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.85rem;
  letter-spacing: 0.5px;
  transition: color 0.3s ease;
}

.footer-nav a:hover {
  color: var(--text-primary);
}

/* Botón Volver Arriba */
.back-to-top {
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.82rem;
  letter-spacing: 0.5px;
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  transition: color 0.3s ease, transform 0.3s ease;
}

.back-to-top span {
  font-size: 1.1rem;
  transition: transform 0.3s ease;
}

.back-to-top:hover {
  color: var(--accent-bronze);
  transform: translateY(-3px);
}

.back-to-top:hover span {
  transform: translateY(-2px);
}

/* Línea Divisora */
.footer-divider {
  width: 100%;
  height: 1px;
  background-color: var(--border-color);
  margin-bottom: 2rem;
  opacity: 0.6;
}

/* Copyright y Legales */
.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.78rem;
  color: var(--text-secondary);
  opacity: 0.85;
  flex-wrap: wrap;
  gap: 1.2rem;
}

.footer-legal {
  display: flex;
  align-items: center;
  gap: 0.8rem;
}

.footer-legal a {
  color: var(--text-secondary);
  text-decoration: none;
  transition: color 0.3s ease;
}

.footer-legal a:hover {
  color: var(--text-primary);
}

.footer-legal .dot {
  font-size: 0.5rem;
  opacity: 0.5;
}

/* --- RESPONSIVE FOOTER --- */
@media (max-width: 768px) {
  .footer {
    padding: 4rem 0 2.5rem;
  }

  .footer-top {
    flex-direction: column;
    gap: 2.5rem;
    margin-bottom: 2.5rem;
  }

  .footer-nav {
    flex-direction: column;
    gap: 1.2rem;
  }

  .footer-bottom {
    flex-direction: column;
    align-items: flex-start;
    gap: 1rem;
  }
}
/* ==========================================
   ESTILOS SUBPÁGINA DETALLE DE OBRA (AISLADOS)
   ========================================== */

body.obra-detalle-body {
  background-color: #0b0c0e;
  color: #e0e0e0;
  font-family: 'Inter', sans-serif;
  margin: 0;
  padding: 0;
  padding-top: var(--header-height, 80px);
}

/* Hero Principal */
body.obra-detalle-body .obra-hero {
  width: 100%;
  height: 65vh;
  min-height: 480px;
  max-height: 700px;
  overflow: hidden;
  margin-bottom: 70px;
}

body.obra-detalle-body .obra-hero-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: brightness(0.92);
}

/* Etiquetas y Separadores */
body.obra-detalle-body .section-tag {
  font-size: 0.68rem;
  color: #a38155;
  letter-spacing: 2.5px;
  display: block;
  margin-bottom: 12px;
  font-weight: 500;
  text-transform: uppercase;
}

/* Ficha Técnica & Encabezado Desktop */
body.obra-detalle-body .obra-header-section {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 80px;
  padding-bottom: 60px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  margin-bottom: 60px;
}

body.obra-detalle-body .obra-title {
  font-family: 'Cormorant Garamond', serif;
  font-size: 4rem;
  font-weight: 300;
  color: #fff;
  margin: 0 0 10px 0;
  line-height: 1.05;
  letter-spacing: -0.5px;
}

body.obra-detalle-body .obra-subtitle {
  color: #888;
  font-size: 0.9rem;
  letter-spacing: 0.5px;
}

body.obra-detalle-body .obra-ficha-tecnica {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 16px;
  border-left: 1px solid rgba(255, 255, 255, 0.08);
  padding-left: 50px;
}

body.obra-detalle-body .ficha-item {
  display: flex;
  justify-content: space-between;
  font-size: 0.82rem;
  border-bottom: 1px dashed rgba(255, 255, 255, 0.05);
  padding-bottom: 8px;
}

body.obra-detalle-body .ficha-label { color: #666; font-weight: 300; }
body.obra-detalle-body .ficha-val { color: #d0d0d0; font-weight: 400; }

/* Concepto & Manifiesto */
body.obra-detalle-body .obra-concepto-grid {
  display: grid;
  grid-template-columns: 1.2fr 1.3fr 0.5fr;
  gap: 50px;
  align-items: center;
  padding-bottom: 70px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  margin-bottom: 70px;
}

body.obra-detalle-body .concepto-title {
  font-family: 'Cormorant Garamond', serif;
  font-size: 2.2rem;
  font-weight: 300;
  color: #fff;
  margin-top: 0;
  margin-bottom: 18px;
  line-height: 1.2;
}

body.obra-detalle-body .concepto-desc {
  color: #999;
  font-size: 0.88rem;
  line-height: 1.8;
  margin: 0;
}

body.obra-detalle-body .concepto-galeria-mini {
  display: flex;
  gap: 20px;
}

body.obra-detalle-body .mini-foto-item {
  flex: 1;
  overflow: hidden;
}

body.obra-detalle-body .mini-foto-item img {
  width: 100%;
  height: 180px;
  object-fit: cover;
  transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

body.obra-detalle-body .mini-foto-item:hover img {
  transform: scale(1.04);
}

body.obra-detalle-body .concepto-action {
  text-align: right;
}

body.obra-detalle-body .btn-materiales {
  border: 1px solid rgba(255, 255, 255, 0.2);
  color: #ccc;
  padding: 12px 22px;
  text-decoration: none;
  font-size: 0.68rem;
  letter-spacing: 2px;
  display: inline-block;
  transition: all 0.3s ease;
}

body.obra-detalle-body .btn-materiales:hover {
  border-color: #a38155;
  color: #fff;
  background-color: rgba(163, 129, 85, 0.08);
}

/* Galería Principal */
body.obra-detalle-body .obra-galeria-section {
  padding-bottom: 80px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  margin-bottom: 80px;
}

body.obra-detalle-body .galeria-header-desktop {
  margin-bottom: 25px;
}

body.obra-detalle-body .galeria-title-desktop {
  font-family: 'Cormorant Garamond', serif;
  font-size: 2rem;
  font-weight: 300;
  color: #fff;
  margin: 0;
}

body.obra-detalle-body .galeria-viewer-large {
  display: flex;
  flex-direction: column;
}

body.obra-detalle-body .galeria-counter {
  font-size: 0.72rem;
  color: #888;
  letter-spacing: 2px;
  margin-bottom: 14px;
  display: block;
}

body.obra-detalle-body .galeria-img-container {
  width: 100%;
  height: 520px;
  overflow: hidden;
  background-color: #121316;
  border: 1px solid rgba(255, 255, 255, 0.04);
}

body.obra-detalle-body .galeria-img-container img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: opacity 0.4s ease;
}

body.obra-detalle-body .galeria-controls-bottom {
  display: flex;
  justify-content: space-between; /* Distribuye un botón a cada extremo */
  align-items: center;
  width: 100%;
  margin-top: 15px;
}

body.obra-detalle-body .arrow-btn {
  background: transparent;
  border: 1px solid rgba(255, 255, 255, 0.15);
  color: #aaa;
  padding: 8px 18px;
  font-size: 0.68rem;
  letter-spacing: 1.5px;
  cursor: pointer;
  transition: all 0.3s ease;
}

body.obra-detalle-body .arrow-btn:hover {
  border-color: #fff;
  color: #fff;
  background-color: rgba(255, 255, 255, 0.05);
}

/* Sección de Planos Arquitectónicos */
body.obra-detalle-body .obra-planos-section {
  padding-bottom: 80px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  margin-bottom: 60px;
}

body.obra-detalle-body .planos-header {
  margin-bottom: 30px;
}

body.obra-detalle-body .planos-title-desktop {
  font-family: 'Cormorant Garamond', serif;
  font-size: 2rem;
  font-weight: 300;
  color: #fff;
  margin: 0;
}

body.obra-detalle-body .planos-grid-desktop {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
}

body.obra-detalle-body .plano-img-wrapper {
  width: 100%;
  height: 320px;
  background-color: #121417;
  border: 1px solid rgba(255, 255, 255, 0.06);
  overflow: hidden;
}

body.obra-detalle-body .plano-img-wrapper img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  padding: 20px;
  box-sizing: border-box;
  opacity: 0.85;
  transition: opacity 0.3s ease, transform 0.4s ease;
}

body.obra-detalle-body .plano-card:hover .plano-img-wrapper img {
  opacity: 1;
  transform: scale(1.02);
}

body.obra-detalle-body .plano-caption {
  display: block;
  font-size: 0.72rem;
  color: #777;
  letter-spacing: 1.5px;
  margin-top: 15px;
  text-transform: uppercase;
}

/* Paginación Inferior */
body.obra-detalle-body .obra-pagination {
  display: flex;
  justify-content: space-between;
  padding: 20px 0 80px 0;
}

body.obra-detalle-body .page-link {
  color: #777;
  text-decoration: none;
  font-size: 0.75rem;
  letter-spacing: 2px;
  transition: color 0.3s ease;
}

body.obra-detalle-body .page-link:hover {
  color: #a38155;
}


/* ==========================================
   AJUSTES MOBILE (SOLO PARA SUBPÁGINA)
   ========================================== */
@media (max-width: 768px) {

  body.obra-detalle-body {
    padding-top: 58px;
  }

  body.obra-detalle-body .obra-hero {
    height: 260px;
    margin-bottom: 30px;
  }

  body.obra-detalle-body .obra-header-section {
    grid-template-columns: 1fr;
    gap: 30px;
    padding-bottom: 30px;
    margin-bottom: 30px;
  }

  body.obra-detalle-body .obra-title {
    font-size: 2.4rem;
  }

  body.obra-detalle-body .obra-ficha-tecnica {
    border-left: none;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-left: 0;
    padding-top: 25px;
    gap: 10px;
  }

  body.obra-detalle-body .obra-concepto-grid {
    grid-template-columns: 1fr;
    gap: 25px;
    padding-bottom: 30px;
    margin-bottom: 30px;
  }

  body.obra-detalle-body .concepto-title {
    font-size: 1.6rem;
  }

  body.obra-detalle-body .concepto-galeria-mini {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
  }

  body.obra-detalle-body .mini-foto-item img {
    height: 120px;
  }

  body.obra-detalle-body .concepto-action {
    text-align: left;
  }

  body.obra-detalle-body .btn-materiales {
    width: 100%;
    text-align: center;
    box-sizing: border-box;
    padding: 12px;
  }

  body.obra-detalle-body .galeria-img-container {
    height: 250px;
  }

  body.obra-detalle-body .galeria-counter {
    font-size: 0.65rem;
    margin-bottom: 10px;
  }

  body.obra-detalle-body .galeria-controls-bottom {
    margin-top: 12px;
  }

  body.obra-detalle-body .arrow-btn {
    padding: 8px 14px;
    font-size: 0.62rem;
  }

  body.obra-detalle-body .planos-grid-desktop {
    grid-template-columns: 1fr 1fr;
    gap: 12px;
  }

  body.obra-detalle-body .plano-img-wrapper {
    height: 140px;
  }

  body.obra-detalle-body .plano-img-wrapper img {
    padding: 10px;
  }

  body.obra-detalle-body .obra-pagination {
    padding-bottom: 40px;
  }

  body.obra-detalle-body .page-link {
    font-size: 0.65rem;
  }
}
/* ==========================================================================
   SCROLL REVEAL (SISTEMA GLOBAL)
   ========================================================================== */

/* Estado inicial: Oculto y 30px desplazado hacia abajo */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1),
              transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
  will-change: opacity, transform;
}

/* Estado activo: Aparece suavemente al scrollear */
.reveal.active {
  opacity: 1;
  transform: translateY(0);
}

/* Retardos en cascada (Stagger) */
.delay-1 { transition-delay: 0.15s; }
.delay-2 { transition-delay: 0.30s; }
.delay-3 { transition-delay: 0.45s; }
.delay-4 { transition-delay: 0.60s; }

/* Respetar preferencia del usuario si reduce animaciones en su celular */
@media (prefers-reduced-motion: reduce) {
  .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }
}

/* ==========================================================================
   PÁGINAS LEGALES (privacidad.html / terminos.html)
   ========================================================================== */
.legal {
  max-width: 760px;
  padding: 150px 20px 80px;
  line-height: 1.8;
  color: #bbb;
}
.legal h1 {
  font-family: 'Cormorant Garamond', serif;
  font-weight: 400;
  color: #fff;
}
.legal h2 {
  font-size: 1rem;
  color: #fff;
  margin-top: 2rem;
}

/* ==========================================================================
   BOTÓN FLOTANTE DE WHATSAPP
   ========================================================================== */
.whatsapp-float {
  position: fixed;
  right: 16px;
  bottom: calc(16px + env(safe-area-inset-bottom, 0px));
  z-index: 900;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 18px;
  background: #25D366;
  color: #fff;
  border-radius: 999px;
  font-family: 'Inter', sans-serif;
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  text-decoration: none;
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.35);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.whatsapp-float:hover,
.whatsapp-float:focus-visible {
  transform: translateY(-2px);
  box-shadow: 0 10px 26px rgba(0, 0, 0, 0.45);
}
@media (max-width: 480px) {
  .whatsapp-float { padding: 12px 16px; font-size: 0.75rem; }
}

/* Animación del botón de WhatsApp: entrada suave + pulso discreto */
.whatsapp-float {
  opacity: 0;
  transform: translateY(20px);
  animation:
    whatsapp-in 0.6s ease-out 1.5s forwards,
    whatsapp-pulse 3s ease-out 3s infinite;
}
.whatsapp-float:hover,
.whatsapp-float:focus-visible {
  animation: none;
  opacity: 1;
  transform: translateY(-2px);
}
@keyframes whatsapp-in {
  to { opacity: 1; transform: translateY(0); }
}
@keyframes whatsapp-pulse {
  0%   { box-shadow: 0 6px 20px rgba(0, 0, 0, 0.35), 0 0 0 0 rgba(37, 211, 102, 0.55); }
  70%  { box-shadow: 0 6px 20px rgba(0, 0, 0, 0.35), 0 0 0 16px rgba(37, 211, 102, 0); }
  100% { box-shadow: 0 6px 20px rgba(0, 0, 0, 0.35), 0 0 0 0 rgba(37, 211, 102, 0); }
}
@media (prefers-reduced-motion: reduce) {
  .whatsapp-float { animation: none; opacity: 1; transform: none; }
}

/* ==========================================================================
   PÁGINA DE GRACIAS Y ESTADO DEL FORMULARIO
   ========================================================================== */
.gracias { text-align: left; }
.gracias-acciones {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 24px;
  margin-top: 2.5rem;
}
.gracias-acciones .btn-contacto { display: inline-flex; width: auto; text-decoration: none; }
.form-status {
  margin-top: 16px;
  font-size: 0.9rem;
  line-height: 1.6;
}
.form-status.is-error { color: #e7a39b; }
.form-status.is-error a { color: inherit; text-decoration: underline; }
.btn-contacto:disabled { opacity: 0.6; cursor: wait; }

.gracias-demo {
  margin-top: 2rem;
  padding: 16px 20px;
  border: 1px solid rgba(255, 255, 255, 0.15);
  font-size: 0.9rem;
}
.gracias-demo a { color: #fff; text-decoration: underline; }
.copyright a { color: inherit; text-decoration: underline; }

/* Páginas de proyecto: espacio inferior para que el botón flotante no tape "Siguiente proyecto" */
body.obra-detalle-body { padding-bottom: 96px; }