/* ==========================================================================
   SISTEMA DE DISEÑO - CREACIONES NAZCA (LIGHT MODE PREMIUM)
   ========================================================================== */

:root {
  /* Paleta de Colores (Dark Mode - Suave con Fondo Secundario Claro) */
  --color-bg-primary: #1A1A1E;      /* Gris Carbono Oscuro (no negro puro) */
  --color-bg-secondary: #F2F0EC;    /* Fondo Secundario Claro (Blanco Hueso / Pergamino) */
  --color-bg-tertiary: #E5E2DA;     /* Gris Pergamino Medio */
  
  --color-accent: #f28322;          /* Naranja Industrial Cálido */
  --color-accent-hover: #d67016;
  
  --color-text-primary: #F5F5F7;     /* Blanco Tiza Puro */
  --color-text-secondary: #9E9E9E;   /* Gris Cemento Claro/Medio */
  --color-text-light: #F5F5F7;       /* Blanco Tiza */
  --color-text-muted: #6C6C75;       /* Gris Cemento Oscuro */
  
  --color-border: #2D2D34;           /* Gris Acero Estructural */
  --color-border-hover: #f28322;
  
  /* Tipografía */
  --font-title: 'Space Grotesk', sans-serif;
  --font-body: 'Plus Jakarta Sans', sans-serif;
  --font-display: 'Space Grotesk', sans-serif;
  
  /* Escala Tipográfica (rem-based) */
  --fs-display: clamp(2.5rem, 6vw, 4.5rem);
  --fs-h1: clamp(2.0rem, 4vw, 3.0rem);
  --fs-h2: clamp(1.5rem, 3vw, 2.0rem);
  --fs-h3: clamp(1.2rem, 2vw, 1.5rem);
  --fs-body: 1.0rem;
  --fs-small: 0.875rem;
  --fs-xs: 0.75rem;
  
  /* Espaciado (Reglas de Layout) */
  --space-xs: 0.5rem;   /* 8px */
  --space-sm: 1.0rem;   /* 16px */
  --space-md: 1.5rem;   /* 24px */
  --space-lg: 2.5rem;   /* 40px */
  --space-xl: 4.0rem;   /* 64px */
  --space-2xl: 6.0rem;  /* 96px */
  
  /* Sombras y Bordes */
  --shadow-sm: 0 2px 4px rgba(0,0,0,0.02);
  --shadow-md: 0 10px 30px rgba(0,0,0,0.04);
  --shadow-lg: 0 20px 50px rgba(0,0,0,0.06);
  --border-radius: 4px; /* Brutalismo minimalista: bordes afilados */
  
  /* Transiciones */
  --transition-fast: 0.2s cubic-bezier(0.25, 1, 0.5, 1);
  --transition-normal: 0.4s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-slow: 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

/* ==========================================================================
   RESET & ESTILOS BASE
   ========================================================================== */

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

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

body {
  background-color: var(--color-bg-primary);
  color: var(--color-text-primary);
  font-family: var(--font-body);
  line-height: 1.6;
  overflow-x: hidden;
}

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

a {
  color: inherit;
  text-decoration: none;
  transition: color var(--transition-fast);
}

ul {
  list-style: none;
}

button, input, textarea, select {
  font-family: inherit;
  font-size: inherit;
  color: inherit;
  background: none;
  border: none;
  outline: none;
}

button {
  cursor: pointer;
}

/* Componentes Comunes */
.container {
  width: 100%;
  max-width: 1280px;
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--space-md);
  padding-right: var(--space-md);
}

.text-accent {
  color: var(--color-accent);
}

.text-stroke {
  -webkit-text-stroke: 1px var(--color-text-light);
  color: transparent;
}

/* Títulos y Encabezados */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-title);
  font-weight: 700;
  line-height: 1.15;
  color: var(--color-text-primary);
}

/* Botones Premium */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 1.0rem 2.0rem;
  font-family: var(--font-title);
  font-weight: 500;
  font-size: var(--fs-small);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  border-radius: var(--border-radius);
  transition: all var(--transition-normal);
  position: relative;
  overflow: hidden;
  z-index: 1;
}

.btn--sm {
  padding: 0.5rem 1.25rem;
  font-size: var(--fs-xs);
}

.btn--primary {
  background-color: var(--color-text-primary);
  color: var(--color-bg-primary); /* Forzar texto oscuro para contraste alto */
  border: 1px solid var(--color-text-primary);
}

.btn--primary::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: var(--color-accent);
  z-index: -1;
  transform: translateY(100%);
  transition: transform var(--transition-normal);
}

.btn--primary:hover::before {
  transform: translateY(0);
}

.btn--primary:hover {
  border-color: var(--color-accent);
}

.btn--outline {
  background-color: transparent;
  color: var(--color-text-primary);
  border: 1px solid var(--color-text-primary);
}

.btn--outline:hover {
  background-color: var(--color-text-primary);
  color: var(--color-bg-primary); /* Texto oscuro en hover */
}

.btn--outline-light {
  background-color: transparent;
  color: var(--color-text-light);
  border: 1px solid rgba(255, 255, 255, 0.3);
}

.btn--outline-light:hover {
  background-color: var(--color-text-light);
  color: var(--color-bg-primary); /* Forzar texto oscuro en hover */
  border-color: var(--color-text-light);
}

/* ==========================================================================
   HEADER / NAVEGACIÓN
   ========================================================================== */

.header {
  position: sticky;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 100;
  background-color: var(--color-bg-primary); /* Fondo oscuro sólido por defecto para páginas internas */
  border-bottom: 1px solid var(--color-border);
  padding: var(--space-sm) 0;
  transition: background-color var(--transition-fast), padding var(--transition-fast), box-shadow var(--transition-fast);
}

/* Estado transparente inicial sobre el Hero (Homepage) */
.header--transparent {
  position: absolute;
  background-color: transparent;
  border-bottom: none;
  padding: var(--space-md) 0;
}

.header--scrolled {
  position: fixed !important;
  top: 0;
  left: 0;
  width: 100%;
  background-color: rgba(242, 240, 236, 0.95) !important; /* Fondo claro translúcido suave */
  backdrop-filter: blur(10px);
  padding: var(--space-xs) 0;
  border-bottom: 1px solid var(--color-border);
  box-shadow: var(--shadow-sm);
}

.header--scrolled .nav__link {
  color: #1A1A1E; /* Forzar enlaces oscuros sobre barra clara */
}

.header--scrolled .btn--outline {
  color: #1A1A1E;
  border-color: #1A1A1E;
}

.header--scrolled .btn--outline:hover {
  background-color: #1A1A1E;
  color: var(--color-bg-secondary);
  border-color: #1A1A1E;
}

/* Estado transparente inicial sobre el Hero */
@media (min-width: 768px) {
  .header--transparent .nav__link {
    color: var(--color-text-light); /* Enlaces en blanco */
  }
  
  .header--transparent .btn--outline {
    color: var(--color-accent); /* Botón en color de acento */
    border-color: var(--color-accent);
  }
  
  .header--transparent .btn--outline:hover {
    background-color: var(--color-accent);
    color: var(--color-text-light);
    border-color: var(--color-accent);
  }
  
  /* Retorno al estado oscuro al hacer scroll en header transparente */
  .header--scrolled.header--transparent .nav__link {
    color: #1A1A1E;
  }
  
  .header--scrolled.header--transparent .btn--outline {
    color: #1A1A1E;
    border-color: #1A1A1E;
  }
  
  .header--scrolled.header--transparent .btn--outline:hover {
    background-color: #1A1A1E;
    color: var(--color-bg-secondary);
    border-color: #1A1A1E;
  }
}

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

.header__logo {
  height: 52px; /* Logo un poco más grande */
  width: auto;
}

.nav__list {
  display: flex;
  align-items: center;
  gap: var(--space-lg);
}

.nav__link {
  font-family: var(--font-title);
  font-weight: 500;
  font-size: var(--fs-small);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-text-primary);
  position: relative;
  padding: 0.25rem 0;
}

.nav__link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background-color: var(--color-accent);
  transform: scaleX(0);
  transform-origin: right;
  transition: transform var(--transition-fast);
}

.nav__link:hover::after {
  transform: scaleX(1);
  transform-origin: left;
}

/* Menú Móvil Hamburguesa */
.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: space-between;
  width: 24px;
  height: 18px;
  z-index: 110;
}

.nav-toggle__bar {
  width: 100%;
  height: 2px;
  background-color: var(--color-text-primary);
  transition: transform var(--transition-fast), opacity var(--transition-fast);
}

/* ==========================================================================
   HERO SECTION
   ========================================================================== */

.hero {
  position: relative;
  height: 100vh;
  height: 100dvh;
  display: flex;
  align-items: center;
  overflow: hidden;
  background-color: #0F0F11; /* Contraste con la carga de la imagen */
}

.hero__bg-container {
  position: absolute;
  inset: 0;
  z-index: 1;
}

.hero__bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0;
  transform: scale(1.08);
  transition: opacity 1.5s cubic-bezier(0.25, 1, 0.5, 1), transform 12s linear;
}

.hero__bg.active {
  opacity: 0.6; /* Un poco de luz sobre el fondo negro */
  transform: scale(1);
  z-index: 2;
}

.hero__overlay {
  position: absolute;
  inset: 0;
  /* Degradado hacia el nuevo fondo gris carbono */
  background: linear-gradient(to bottom, rgba(26,26,30,0.3) 0%, rgba(26,26,30,0.98) 98%);
  z-index: 3;
}

.hero__content {
  position: relative;
  z-index: 4;
  max-width: 850px;
  padding-top: var(--space-xl);
}

.hero__subtitle {
  font-family: var(--font-title);
  font-weight: 700;
  font-size: var(--fs-small);
  letter-spacing: 0.2em;
  display: inline-block;
  margin-bottom: var(--space-sm);
  text-transform: uppercase;
}

.hero__title {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: var(--fs-display);
  color: var(--color-text-primary);
  line-height: 1.05;
  letter-spacing: -0.03em; /* Compacta y refina el título */
  margin-bottom: var(--space-md);
  text-transform: uppercase;
}

.hero__desc {
  font-size: clamp(1.0rem, 2vw, 1.25rem);
  color: var(--color-text-secondary);
  max-width: 600px;
  margin-bottom: var(--space-lg);
}

.hero__actions {
  display: flex;
  gap: var(--space-sm);
  flex-wrap: wrap;
}

.hero__indicators {
  position: absolute;
  bottom: var(--space-lg);
  right: var(--space-md);
  display: flex;
  gap: var(--space-xs);
  z-index: 5;
}

.indicator {
  width: 40px;
  height: 2px;
  background-color: rgba(15, 15, 17, 0.2);
  transition: background-color var(--transition-fast);
}

.indicator.active {
  background-color: var(--color-accent);
}

/* ==========================================================================
   SECCIONES Y CONTENIDOS COMUNES
   ========================================================================== */

.section {
  padding: var(--space-2xl) 0;
}

.section--dark {
  background-color: #0F0F11;
  color: var(--color-text-light);
}

.section--dark h2 {
  color: var(--color-text-light);
}

.section-light {
  background-color: var(--color-bg-secondary) !important;
  color: #1A1A1E !important;
}

.section-light h1,
.section-light h2,
.section-light h3,
.section-light h4 {
  color: #1A1A1E !important;
}

.section-light .section-header__desc {
  color: #5A5A62 !important;
}

.section-header {
  max-width: 700px;
  margin-bottom: var(--space-xl);
}

.section-header__subtitle {
  font-family: var(--font-title);
  font-weight: 700;
  font-size: var(--fs-xs);
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: var(--space-xs);
  display: block;
}

.section-header__title {
  font-size: var(--fs-h1);
  text-transform: uppercase;
  line-height: 1.1;
}

.section-header__desc {
  color: var(--color-text-secondary);
  margin-top: var(--space-xs);
  font-size: 1.1rem;
}

.section--dark .section-header__desc {
  color: var(--color-text-muted);
}

/* ==========================================================================
   SECCIÓN DE SERVICIOS
   ========================================================================== */

.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-lg);
}

.service-card {
  position: relative;
  background: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
  color: #1A1A1E; /* Forzar texto oscuro */
  padding: var(--space-lg);
  border-radius: var(--border-radius);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  min-height: 380px;
  transition: border-color var(--transition-normal), transform var(--transition-normal), box-shadow var(--transition-normal);
  box-shadow: var(--shadow-sm);
}

.service-card:hover {
  border-color: var(--color-accent);
  transform: translateY(-8px);
  box-shadow: var(--shadow-md);
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background-color: var(--color-accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition-normal);
}

.service-card:hover::before {
  transform: scaleX(1);
}

.service-card__top {
  margin-bottom: var(--space-md);
}

.service-card__icon {
  font-size: 2.5rem;
  margin-bottom: var(--space-sm);
  display: inline-block;
}

.service-card__title {
  font-size: var(--fs-h2);
  margin-bottom: var(--space-xs);
  text-transform: uppercase;
  color: #1A1A1E;
}

.service-card__desc {
  color: #5A5A62; /* Gris oscuro para la descripción */
  font-size: var(--fs-small);
}

.service-card__features {
  margin-top: var(--space-md);
  border-top: 1px solid rgba(26, 26, 30, 0.1); /* Borde suave oscuro */
  padding-top: var(--space-sm);
}

.service-card__feature-item {
  font-size: var(--fs-xs);
  color: #5A5A62;
  margin-bottom: var(--space-xs);
  display: flex;
  align-items: center;
  gap: var(--space-xs);
}

.service-card__feature-item::before {
  content: '▪';
  color: var(--color-accent);
  font-size: 0.9rem;
}

.service-card__link {
  font-family: var(--font-title);
  font-weight: 700;
  font-size: var(--fs-xs);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: #1A1A1E;
  margin-top: var(--space-md);
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
}

.service-card__link::after {
  content: '→';
  transition: transform var(--transition-fast);
}

.service-card:hover .service-card__link::after {
  transform: translateX(5px);
}

.service-card:hover .service-card__link {
  color: var(--color-accent);
}

/* ==========================================================================
   PORTAFOLIO Y PROYECTOS (MASONRY & ASIMÉTRICO)
   ========================================================================== */

.portfolio-filter {
  display: flex;
  gap: var(--space-xs);
  flex-wrap: wrap;
  margin-bottom: var(--space-xl);
}

.filter-btn {
  font-family: var(--font-title);
  font-size: var(--fs-small);
  font-weight: 500;
  text-transform: uppercase;
  padding: 0.6rem 1.5rem;
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius);
  transition: all var(--transition-fast);
}

.filter-btn:hover, .filter-btn.active {
  border-color: var(--color-text-primary);
  background-color: var(--color-text-primary);
  color: var(--color-bg-primary); /* Texto oscuro del botón activo */
}

.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: var(--space-md);
}

.portfolio-item {
  grid-column: span 12;
  position: relative;
  height: 350px;
  border-radius: var(--border-radius);
  overflow: hidden;
  background-color: #0F0F11;
  box-shadow: var(--shadow-sm);
}

.portfolio-item__img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow), opacity var(--transition-normal);
  opacity: 0.95;
}

.portfolio-item__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(15,15,17,0.9) 0%, rgba(15,15,17,0.2) 60%, transparent 100%);
  z-index: 2;
  opacity: 0.85;
  transition: opacity var(--transition-normal);
}

.portfolio-item__content {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  padding: var(--space-md);
  z-index: 3;
  color: var(--color-text-light);
  transform: translateY(10px);
  transition: transform var(--transition-normal);
}

.portfolio-item__cat {
  font-family: var(--font-title);
  font-size: var(--fs-xs);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-accent);
  display: block;
  margin-bottom: var(--space-xs);
}

.portfolio-item__title {
  font-size: var(--fs-h3);
  text-transform: uppercase;
  color: var(--color-text-light);
  margin-bottom: var(--space-xs);
}

.portfolio-item__desc {
  font-size: var(--fs-small);
  color: var(--color-text-muted);
  max-width: 80%;
  opacity: 0;
  height: 0;
  overflow: hidden;
  transition: opacity var(--transition-normal), height var(--transition-normal);
}

/* Efectos Hover Portafolio */
.portfolio-item:hover .portfolio-item__img {
  transform: scale(1.05);
  opacity: 0.8;
}

.portfolio-item:hover .portfolio-item__overlay {
  opacity: 0.95;
}

.portfolio-item:hover .portfolio-item__content {
  transform: translateY(0);
}

.portfolio-item:hover .portfolio-item__desc {
  opacity: 1;
  height: auto;
  margin-top: var(--space-xs);
}

/* Media Queries para Grid Asimétrico (Desktop) */
@media (min-width: 768px) {
  .portfolio-item {
    height: 400px;
  }
  
  /* Retícula Asimétrica Estilo Portafolio Arquitectónico */
  .portfolio-item:nth-child(4n+1) {
    grid-column: span 8;
  }
  
  .portfolio-item:nth-child(4n+2) {
    grid-column: span 4;
  }
  
  .portfolio-item:nth-child(4n+3) {
    grid-column: span 4;
  }
  
  .portfolio-item:nth-child(4n+4) {
    grid-column: span 8;
  }
}

/* ==========================================================================
   PÁGINA DETALLE PROYECTO
   ========================================================================== */

.project-detail {
  padding-top: var(--space-2xl);
}

.project-detail__header {
  margin-bottom: var(--space-xl);
}

.project-detail__meta-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--space-md);
  margin-top: var(--space-lg);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
  padding: var(--space-md) 0;
}

.project-meta-item__label {
  font-family: var(--font-title);
  font-size: var(--fs-xs);
  color: var(--color-text-secondary);
  text-transform: uppercase;
}

.project-meta-item__value {
  font-size: 1.1rem;
  font-weight: 600;
}

.project-detail__content {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-xl);
}

@media (min-width: 992px) {
  .project-detail__content {
    grid-template-columns: 2fr 1fr;
  }
}

.project-gallery {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-sm);
}

.project-gallery__item {
  border-radius: var(--border-radius);
  overflow: hidden;
  cursor: pointer;
  height: 250px;
}

.project-gallery__item:nth-child(3n+1) {
  grid-column: span 2;
  height: 400px;
}

.project-gallery__img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-normal);
}

.project-gallery__item:hover .project-gallery__img {
  transform: scale(1.03);
}

/* ==========================================================================
   PÁGINA DE CONTACTO (SEGURIDAD & UX)
   ========================================================================== */

.contact-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-xl);
}

@media (min-width: 992px) {
  .contact-layout {
    grid-template-columns: 1fr 1.2fr;
  }
}

.contact-info {
  background-color: #1A1A1E; /* Forzar fondo oscuro */
  color: var(--color-text-light);
  padding: var(--space-xl);
  border-radius: var(--border-radius);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.contact-info h3 {
  color: var(--color-text-light);
}

.contact-info__list {
  margin: var(--space-lg) 0;
}

.contact-info__item {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  margin-bottom: var(--space-md);
}

.contact-info__icon {
  font-size: 1.5rem;
}

.contact-form {
  background-color: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
  padding: var(--space-xl);
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-sm);
  color: #1A1A1E; /* Texto oscuro en el formulario */
}

.contact-form h3 {
  color: #1A1A1E;
}

.contact-form__group {
  margin-bottom: var(--space-md);
}

.contact-form__label {
  font-family: var(--font-title);
  font-size: var(--fs-xs);
  text-transform: uppercase;
  margin-bottom: var(--space-xs);
  display: block;
}

.contact-form__input, .contact-form__textarea {
  width: 100%;
  padding: 1.0rem;
  background-color: var(--color-bg-primary);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius);
  color: var(--color-text-light);
  transition: border-color var(--transition-fast), background-color var(--transition-fast);
}

.contact-form__input:focus, .contact-form__textarea:focus {
  border-color: var(--color-accent);
  background-color: var(--color-bg-secondary);
  color: #1A1A1E; /* Texto oscuro al enfocar */
}

.contact-form__textarea {
  resize: vertical;
  min-height: 150px;
}

.alert {
  padding: var(--space-sm) var(--space-md);
  border-radius: var(--border-radius);
  margin-bottom: var(--space-md);
  font-size: var(--fs-small);
}

.alert--success {
  background-color: #E2F0D9;
  border: 1px solid #385723;
  color: #385723;
}

.alert--error {
  background-color: #FCE4D6;
  border: 1px solid #C65911;
  color: #C65911;
}

/* ==========================================================================
   NOSOTROS
   ========================================================================== */

.about-intro {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-xl);
  align-items: center;
  margin-bottom: var(--space-2xl);
}

@media (min-width: 768px) {
  .about-intro {
    grid-template-columns: 1fr 1fr;
  }
}

.about-intro__img {
  border-radius: var(--border-radius);
  overflow: hidden;
  box-shadow: var(--shadow-md);
}

.about-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: var(--space-lg);
  margin-top: var(--space-xl);
  background-color: var(--color-bg-secondary);
  padding: var(--space-xl);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius);
  color: #1A1A1E; /* Texto oscuro en el bloque */
}

.stat-item {
  text-align: center;
}

.stat-item__number {
  font-family: var(--font-title);
  font-size: clamp(2.5rem, 5vw, 3.5rem);
  font-weight: 700;
  color: var(--color-accent);
  line-height: 1;
}

.stat-item__label {
  font-family: var(--font-title);
  font-size: var(--fs-xs);
  text-transform: uppercase;
  color: #5A5A62; /* Etiqueta oscura legible */
  margin-top: var(--space-xs);
}

/* ==========================================================================
   PÁGINAS DE ERROR (404/500)
   ========================================================================== */

.error-page {
  height: 75vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
}

.error-page__content {
  max-width: 500px;
}

.error-page__code {
  font-family: var(--font-display);
  font-size: clamp(6.0rem, 15vw, 10.0rem);
  font-weight: 800;
  line-height: 1;
  color: var(--color-text-primary);
  margin-bottom: var(--space-xs);
}

.error-page__title {
  font-size: var(--fs-h1);
  text-transform: uppercase;
  margin-bottom: var(--space-sm);
}

.error-page__desc {
  color: var(--color-text-secondary);
  margin-bottom: var(--space-lg);
}

.error-page__debug {
  background-color: var(--color-bg-tertiary);
  border: 1px solid var(--color-border);
  padding: var(--space-md);
  border-radius: var(--border-radius);
  text-align: left;
  overflow-x: auto;
  font-size: var(--fs-xs);
  margin-bottom: var(--space-lg);
}

/* ==========================================================================
   FOOTER
   ========================================================================== */

.footer {
  background-color: #0F0F11;
  color: var(--color-text-light);
  padding: var(--space-2xl) 0 var(--space-md) 0;
  border-top: 1px solid var(--color-text-primary);
}

.footer__container {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-xl);
  margin-bottom: var(--space-xl);
}

@media (min-width: 576px) {
  .footer__container {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 992px) {
  .footer__container {
    grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
  }
}

.footer__logo {
  height: 45px;
  width: auto;
  margin-bottom: var(--space-sm);
}

.footer__desc {
  color: var(--color-text-muted);
  font-size: var(--fs-small);
  max-width: 280px;
}

.footer__title {
  font-size: var(--fs-body);
  text-transform: uppercase;
  margin-bottom: var(--space-md);
  color: var(--color-text-light);
  letter-spacing: 0.05em;
  position: relative;
  display: inline-block;
}

.footer__title::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 30px;
  height: 2px;
  background-color: var(--color-accent);
}

.footer__list {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
  font-size: var(--fs-small);
}

.footer__link {
  color: var(--color-text-muted);
}

.footer__link:hover {
  color: var(--color-accent);
  padding-left: 4px;
}

.footer__list--contact {
  gap: var(--space-sm);
}

.footer__list--contact li {
  display: flex;
  align-items: flex-start;
  gap: var(--space-xs);
  color: var(--color-text-muted);
}

.footer__bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  padding-top: var(--space-md);
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  align-items: center;
  justify-content: space-between;
  font-size: var(--fs-xs);
  color: var(--color-text-muted);
}

@media (min-width: 768px) {
  .footer__bottom {
    flex-direction: row;
  }
}

/* ==========================================================================
   MENÚ MÓVIL RESPONSIVE
   ========================================================================== */

@media (max-width: 767px) {
  .nav-toggle {
    display: flex;
  }
  
  .nav-toggle__bar {
    background-color: var(--color-accent);
  }
  
  .nav {
    position: fixed;
    top: 0;
    right: 0;
    width: 80%;
    max-width: 400px;
    height: 100vh;
    background-color: var(--color-bg-secondary);
    z-index: 105;
    box-shadow: -10px 0 30px rgba(0,0,0,0.05);
    display: flex;
    align-items: center;
    justify-content: center;
    transform: translateX(100%);
    transition: transform var(--transition-normal);
  }
  
  .nav.active {
    transform: translateX(0);
  }
  
  .nav__list {
    flex-direction: column;
    align-items: center;
    gap: var(--space-lg);
  }
  
  .nav__link {
    font-size: var(--fs-h3);
    color: #1A1A1E !important; /* Forzar enlaces oscuros sobre el panel crema */
  }

  .nav .btn--outline {
    color: #1A1A1E !important; /* Botón oscuro */
    border-color: #1A1A1E !important;
    margin-top: var(--space-sm);
  }

  .nav .btn--outline:hover {
    background-color: #1A1A1E !important;
    color: var(--color-bg-secondary) !important;
    border-color: #1A1A1E !important;
  }

  .nav-toggle.active .nav-toggle__bar {
    background-color: #1A1A1E; /* Forzar que la 'X' sea oscura sobre fondo crema */
  }

  .nav-toggle.active .nav-toggle__bar:nth-child(1) {
    transform: translateY(8px) rotate(45deg);
  }
  
  .nav-toggle.active .nav-toggle__bar:nth-child(2) {
    opacity: 0;
  }
  
  .nav-toggle.active .nav-toggle__bar:nth-child(3) {
    transform: translateY(-8px) rotate(-45deg);
  }

  .contact-info,
  .contact-form {
    padding: var(--space-lg) var(--space-md);
  }

  .contact-info a {
    word-break: break-word;
  }
}

/* ==========================================================================
   LIGHTBOX GALLERY
   ========================================================================== */
.lightbox {
  display: none;
  position: fixed;
  z-index: 1000;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(15, 15, 17, 0.95);
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity var(--transition-normal);
}

.lightbox[aria-hidden="false"] {
  display: flex;
  opacity: 1;
}

.lightbox__content {
  position: relative;
  max-width: 90%;
  max-height: 85%;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.lightbox__img {
  max-width: 100%;
  max-height: 80vh;
  object-fit: contain;
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-lg);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.lightbox__caption {
  color: var(--color-text-light);
  font-family: var(--font-title);
  font-size: var(--fs-small);
  margin-top: var(--space-sm);
  text-align: center;
}

.lightbox__close,
.lightbox__prev,
.lightbox__next {
  position: absolute;
  background: none;
  border: none;
  color: var(--color-text-light);
  font-size: 2.5rem;
  cursor: pointer;
  transition: color var(--transition-fast), transform var(--transition-fast);
  z-index: 1010;
  outline: none;
}

.lightbox__close:hover,
.lightbox__prev:hover,
.lightbox__next:hover {
  color: var(--color-accent);
  transform: scale(1.1);
}

.lightbox__close {
  top: var(--space-md);
  right: var(--space-md);
  font-size: 3.5rem;
}

.lightbox__prev {
  left: var(--space-md);
  top: 50%;
  transform: translateY(-50%);
}

.lightbox__next {
  right: var(--space-md);
  top: 50%;
  transform: translateY(-50%);
}

/* Cursor Pointer en las imágenes de la galería para denotar que son clicks */
.project-gallery__img {
  cursor: pointer;
  transition: transform var(--transition-normal), filter var(--transition-normal) !important;
}

.project-gallery__img:hover {
  transform: scale(1.02);
  filter: brightness(0.95);
}