/* 
  Necsa Constructora - Estilos Principales
  Estilos estructurales, layouts responsivos, y micro-animaciones premium.
*/

@import url('variables.css');

/* --- RESET Y ESTILOS BASE --- */
*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 80px; /* Evita que el header tape el contenido al scrollear */
}

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

/* --- TIPOGRAFÍA --- */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-headings);
  font-weight: 700;
  line-height: 1.2;
  color: var(--color-primary);
}

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

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

/* --- FOCO VISIBLE (accesibilidad de teclado) ---
   Se aplica a cualquier elemento interactivo enfocado vía teclado (:focus-visible
   no se activa con clic de mouse, así que no altera la estética en uso normal).
   Doble anillo (blanco + azul oscuro) para que se distinga tanto en secciones
   claras como en las oscuras (Servicios, Valores, footer). */
a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible,
[tabindex]:focus-visible {
  outline: none;
  box-shadow: 0 0 0 2px #ffffff, 0 0 0 4px var(--color-primary);
  border-radius: 3px;
}

/* --- ANIMACIÓN DE APARICIÓN AL HACER SCROLL (REVEAL ON SCROLL) ---
   Ubicada aquí, antes de los componentes, para que las transiciones propias
   de cada tarjeta (ej. hover) tengan prioridad en la cascada una vez revelada. */
.reveal {
  opacity: 0;
  transform: translateY(35px);
  transition: opacity 0.7s cubic-bezier(0.4, 0, 0.2, 1), transform 0.7s cubic-bezier(0.4, 0, 0.2, 1);
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* Efecto escalonado: cada tarjeta dentro de una grilla aparece un poco después que la anterior */
.services-grid .reveal:nth-child(1),
.values-grid .reveal:nth-child(1),
.portfolio-grid .reveal:nth-child(1),
.stats-grid .reveal:nth-child(1) { transition-delay: 0s; }

.services-grid .reveal:nth-child(2),
.values-grid .reveal:nth-child(2),
.portfolio-grid .reveal:nth-child(2),
.stats-grid .reveal:nth-child(2) { transition-delay: 0.12s; }

.services-grid .reveal:nth-child(3),
.values-grid .reveal:nth-child(3),
.portfolio-grid .reveal:nth-child(3),
.stats-grid .reveal:nth-child(3) { transition-delay: 0.24s; }

.services-grid .reveal:nth-child(4),
.portfolio-grid .reveal:nth-child(4) { transition-delay: 0.36s; }

.portfolio-grid .reveal:nth-child(5) { transition-delay: 0.48s; }

@media (prefers-reduced-motion: reduce) {
  .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }
  .hero-bg,
  .hero-bg img,
  .hero-blueprint,
  .vision-card::before,
  .values-panel::before,
  .services-bg::before {
    animation: none !important;
    transform: none !important;
  }
}

/* --- COMPONENTES COMUNES (UI) --- */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

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

.section-alt {
  background-color: var(--bg-secondary);
  padding: var(--spacing-xl) 0;
}

.section-dark {
  background-color: var(--bg-dark);
  color: var(--text-light);
  padding: var(--spacing-xl) 0;
}

.section-title-wrapper {
  text-align: center;
  margin-bottom: var(--spacing-lg);
}

.section-badge {
  display: inline-block;
  font-family: var(--font-headings);
  font-size: 0.85rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: var(--color-accent);
  margin-bottom: var(--spacing-xs);
  padding: 4px 12px;
  background-color: var(--color-accent-light);
  border-radius: 50px;
}

.section-dark .section-badge {
  background-color: rgba(24, 95, 165, 0.15);
}

.section-title {
  font-size: 2.5rem;
  margin-bottom: var(--spacing-xs);
  position: relative;
  display: inline-block;
}

.section-title::after {
  content: '';
  position: absolute;
  bottom: -8px;
  left: 50%;
  transform: translateX(-50%);
  width: 60px;
  height: 4px;
  background-color: var(--color-accent);
  border-radius: 2px;
}

.section-subtitle {
  font-size: 1.1rem;
  color: var(--text-muted);
  max-width: 600px;
  margin: var(--spacing-sm) auto 0;
}

.section-dark .section-subtitle {
  color: rgba(255, 255, 255, 0.7);
}

/* Botones Premium */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.9rem 2rem;
  font-family: var(--font-headings);
  font-size: 1rem;
  font-weight: 600;
  border-radius: var(--border-radius-sm);
  border: none;
  cursor: pointer;
  transition: var(--transition-bounce);
  gap: var(--spacing-xs);
}

.btn-primary {
  background-color: var(--color-primary);
  color: var(--text-light);
  box-shadow: 0 4px 15px rgba(15, 59, 104, 0.2);
}

.btn-primary:hover {
  background-color: var(--color-primary-hover);
  transform: translateY(-3px);
  box-shadow: 0 8px 25px rgba(15, 59, 104, 0.35);
}

.btn-accent {
  background-color: var(--color-accent);
  color: var(--text-light);
  box-shadow: var(--shadow-accent);
}

.btn-accent:hover {
  background-color: var(--color-accent-hover);
  transform: translateY(-3px);
  box-shadow: 0 12px 30px rgba(194, 155, 56, 0.4);
}

.btn-outline {
  background-color: transparent;
  color: var(--color-primary);
  border: 2px solid var(--color-primary);
}

.btn-outline:hover {
  background-color: var(--color-primary);
  color: var(--text-light);
  transform: translateY(-3px);
}

.btn-light-outline {
  background-color: transparent;
  color: var(--text-light);
  border: 2px solid var(--text-light);
}

.btn-light-outline:hover {
  background-color: var(--text-light);
  color: var(--color-primary);
  transform: translateY(-3px);
}

/* --- HEADER & NAVEGACIÓN --- */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  transition: var(--transition-smooth);
  padding: 1.2rem 0;
}

.header.scrolled {
  background-color: var(--glass-bg);
  backdrop-filter: var(--glass-backdrop);
  -webkit-backdrop-filter: var(--glass-backdrop);
  border-bottom: 1px solid var(--glass-border);
  padding: 0.8rem 0;
  box-shadow: var(--shadow-sm);
}

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

/* Logo SVG y Marca */
.logo {
  display: flex;
  align-items: center;
  gap: 12px;
}

.logo-svg {
  width: 42px;
  height: 42px;
  filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.1));
}

.logo-img {
  height: 60px;
  width: auto;
  max-width: 0;
  overflow: hidden;
  opacity: 0;
  object-fit: contain;
  transition: max-width 0.5s ease, opacity 0.4s ease 0.1s, height var(--transition-smooth);
}

.header.scrolled .logo-img {
  height: 48px;
}

.header.logo-expand .logo-img {
  max-width: 200px;
  opacity: 1;
}

.logo-ecsa-wrap {
  display: inline-block;
  height: 42px;
  max-width: 0;
  overflow: hidden;
  opacity: 0;
  vertical-align: middle;
  transition: max-width 0.5s ease, opacity 0.4s ease 0.1s;
}

.logo-ecsa-img {
  height: 100%;
  width: auto;
  display: block;
}

.header.logo-expand .logo-ecsa-wrap {
  max-width: 180px;
  height: 34px;
  opacity: 1;
}

.logo-text {
  display: flex;
  flex-direction: column;
  transition: var(--transition-smooth);
}

.logo-title {
  font-family: var(--font-headings);
  font-size: 2rem;
  font-weight: 900;
  color: var(--color-primary);
  letter-spacing: 1.5px;
  line-height: 1;
  transition: var(--transition-smooth);
}

.logo-subtitle {
  font-family: var(--font-headings);
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--color-secondary);
  letter-spacing: 4.5px;
  text-transform: uppercase;
  transition: var(--transition-smooth);
}

.header.scrolled .logo-title {
  font-size: 1.6rem;
}

.header.scrolled .logo-subtitle {
  font-size: 0.65rem;
  letter-spacing: 3.5px;
}

/* Enlaces de Navegación */
.nav-list {
  display: flex;
  list-style: none;
  gap: 2rem;
  align-items: center;
}

.nav-link {
  font-family: var(--font-headings);
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-dark);
  position: relative;
  padding: 5px 0;
}

/* Header transparente en Hero, enlaces blancos */
.header:not(.scrolled) .nav-link {
  color: var(--text-light);
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.4);
}

.header:not(.scrolled) .logo-title {
  color: var(--text-light);
}
.header:not(.scrolled) .logo-subtitle {
  color: rgba(255, 255, 255, 0.8);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--color-accent);
  transition: var(--transition-smooth);
}

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

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

.header:not(.scrolled) .nav-link:hover {
  color: var(--color-accent-light);
}

/* Menú Móvil - Hamburguesa */
.nav-toggle {
  /* Objetivo táctil de 44x44px mínimo, aunque el ícono visual sea más chico */
  display: none;
  width: 44px;
  height: 44px;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background: none;
  border: none;
  cursor: pointer;
  z-index: 1010;
}

.nav-toggle-bar {
  display: block;
  width: 25px;
  height: 3px;
  margin: 3px 0;
  background-color: var(--color-primary);
  transition: var(--transition-smooth);
}

.header:not(.scrolled) .nav-toggle-bar {
  background-color: var(--text-light);
}

/* --- HERO SECTION --- */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  background-color: var(--bg-dark);
  overflow: hidden;
  padding-top: 100px;
}

.hero-bg {
  position: absolute;
  top: -6%;
  left: 0;
  width: 100%;
  height: 112%;
  z-index: 1;
  will-change: transform;
}

.hero-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  opacity: 0.68; /* La foto es protagonista, no un texture de fondo */
  transform: scale(1);
  transform-origin: 62% 45%;
  animation: heroKenBurns 18s ease-in-out infinite alternate;
  will-change: transform;
}

@keyframes heroKenBurns {
  from { transform: scale(1); }
  to { transform: scale(1.16); }
}

/* Trama de líneas arquitectónicas ("blueprint") flotando sobre la foto —
   conecta visualmente con el patrón de Servicios/Valores y le da
   movimiento propio, tipo plano técnico animado. */
.hero-blueprint {
  position: absolute;
  inset: 0;
  z-index: 2;
  pointer-events: none;
  opacity: 0.45;
  background-image:
    linear-gradient(90deg, rgba(120, 190, 255, 0.55) 1px, transparent 1px),
    linear-gradient(0deg, rgba(120, 190, 255, 0.55) 1px, transparent 1px);
  background-size: 56px 56px;
  animation: heroBlueprintDrift 20s linear infinite;
}

@keyframes heroBlueprintDrift {
  from { background-position: 0 0, 0 0; }
  to { background-position: 224px 224px, 224px 224px; }
}

/* Overlay asimétrico: oscuro donde va el texto (izquierda), la foto respira
   libremente hacia la derecha para que se vea la obra, las grúas y el skyline. */
.hero::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(100deg,
    rgba(8, 20, 38, 0.92) 0%,
    rgba(8, 20, 38, 0.8) 30%,
    rgba(8, 20, 38, 0.4) 58%,
    rgba(8, 20, 38, 0.08) 82%
  );
  z-index: 3;
}

.hero-container {
  position: relative;
  z-index: 4;
  color: var(--text-light);
}

.hero-content {
  max-width: 800px;
  animation: fadeInUp 1s ease-out;
}

.hero-logo {
  display: inline-flex;
  flex-direction: column;
  align-items: flex-start;
  margin-bottom: var(--spacing-lg);
}

.hero-logo-necsa {
  font-family: 'Michroma', sans-serif;
  font-weight: 400;
  font-size: clamp(3rem, 2.6rem + 5.2vw, 6.4rem);
  line-height: 1;
  letter-spacing: 1px;
  color: var(--text-light);
  text-shadow: 0 2px 10px rgba(0, 0, 0, 0.45);
}

.hero-logo-line {
  display: block;
  height: 3px;
  width: 100%;
  margin: 12px 0 8px;
  background: linear-gradient(90deg, rgba(255, 255, 255, 0.9), rgba(255, 255, 255, 0.35));
}

.hero-logo-sub {
  display: block;
  width: 100%;
  font-family: var(--font-headings);
  font-weight: 600;
  font-size: clamp(1.1rem, 0.9rem + 1.4vw, 1.75rem);
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.85);
  /* "Justifica" las letras de CONSTRUCTORA para que la palabra llegue exacto
     hasta el mismo ancho que NECSA arriba (no una palabra más corta suelta). */
  text-align: justify;
  text-align-last: justify;
  text-justify: inter-character;
}

@media (max-width: 768px) {
  .hero-logo {
    margin-bottom: var(--spacing-md);
  }
}

.hero-title {
  font-family: 'Michroma', sans-serif;
  font-size: clamp(1.4rem, 2.4vw + 0.5rem, 2.1rem);
  line-height: 1.4;
  color: var(--text-light);
  margin-bottom: var(--spacing-md);
  font-weight: 400;
  text-wrap: balance;
}

.hero-title span {
  color: var(--color-accent-light);
  position: relative;
  text-shadow: 0 2px 16px rgba(6, 16, 30, 0.85), 0 1px 3px rgba(0, 0, 0, 0.6);
}

.hero-description {
  font-size: 1.15rem;
  max-width: 60ch;
  margin-bottom: var(--spacing-xl);
  color: rgba(255, 255, 255, 0.85);
  line-height: 1.7;
  text-align: left;
  text-wrap: pretty;
}

.hero-actions {
  display: flex;
  gap: var(--spacing-sm);
  flex-wrap: wrap;
}

/* --- SECCIÓN SERVICIOS --- */
.services-section {
  position: relative;
  overflow: hidden;
}

.services-bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
}

.services-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.services-bg::before {
  content: '';
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  opacity: 0.45;
  background-image:
    linear-gradient(90deg, rgba(120, 190, 255, 0.55) 1px, transparent 1px),
    linear-gradient(0deg, rgba(120, 190, 255, 0.55) 1px, transparent 1px);
  background-size: 56px 56px;
  animation: heroBlueprintDrift 20s linear infinite;
}

.services-bg::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(180deg, rgba(8, 27, 48, 0.55) 0%, rgba(8, 27, 48, 0.6) 100%);
  z-index: 1;
}

.services-section .container {
  position: relative;
  z-index: 1;
}

.services-section .section-title,
.services-section .section-subtitle {
  color: var(--text-light);
}

.services-section .section-subtitle {
  color: rgba(255, 255, 255, 0.75);
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--spacing-md);
  margin-top: var(--spacing-lg);
}

@media (max-width: 700px) {
  .services-grid {
    grid-template-columns: 1fr;
  }
}

.service-card {
  background-color: rgba(255, 255, 255, 0.05);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: var(--border-radius-md);
  padding: var(--spacing-md);
  transition: var(--transition-bounce);
  position: relative;
  overflow: hidden;
  box-shadow: none;
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-sm);
}

.service-content {
  position: relative;
  z-index: 1;
  flex: 1;
  min-width: 0;
  overflow-wrap: break-word;
}

.service-icon-wrapper {
  position: relative;
  z-index: 1;
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 0;
  background-color: var(--color-accent);
  transition: var(--transition-smooth);
  z-index: 2;
}

.service-card:hover {
  transform: translateY(-8px);
  background-color: rgba(255, 255, 255, 0.09);
  border-color: rgba(255, 255, 255, 0.35);
  box-shadow: 0 20px 45px rgba(0, 0, 0, 0.35);
}

.service-card:hover::before {
  height: 100%;
}

.service-icon-wrapper {
  width: 50px;
  height: 50px;
  flex-shrink: 0;
  background-color: rgba(255, 255, 255, 0.08);
  color: var(--color-accent-light);
  border: 1px solid rgba(255, 255, 255, 0.22);
  border-radius: var(--border-radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  transition: var(--transition-smooth);
}

@media (max-width: 480px) {
  .service-card {
    flex-direction: column;
  }
}

.service-card:hover .service-icon-wrapper {
  background-color: var(--color-accent);
  border-color: var(--color-accent);
  color: var(--text-light);
  transform: scale(1.1) rotate(5deg);
}

.service-title {
  font-size: 1.15rem;
  color: var(--text-light);
  margin-bottom: 0.4rem;
}

.service-description {
  color: rgba(255, 255, 255, 0.75);
  font-size: 0.95rem;
  text-align: justify;
}

.service-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.service-list li {
  position: relative;
  padding-left: 1.3rem;
  color: rgba(255, 255, 255, 0.75);
  font-size: 0.85rem;
  line-height: 1.4;
  text-align: justify;
}

.service-list li::before {
  content: '\f00c';
  font-family: 'Font Awesome 6 Free';
  font-weight: 900;
  position: absolute;
  left: 0;
  top: 2px;
  color: var(--color-accent-light);
  font-size: 0.8rem;
}

/* --- SECCIÓN MÉTRICAS / ESTADÍSTICAS --- */
.stats-section {
  position: relative;
  overflow: hidden;
  background-color: var(--bg-dark);
  padding: var(--spacing-lg) 0;
}

.stats-section::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: url('../assets/images/backgrounds/croquis-3d-necsa.png');
  background-repeat: no-repeat;
  background-position: center;
  background-size: cover;
  opacity: 0.08;
  pointer-events: none;
  z-index: 0;
}

.stats-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-md);
  text-align: center;
}

.stat-item {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.stat-number {
  font-family: var(--font-headings);
  font-size: 3rem;
  font-weight: 800;
  color: var(--color-accent-light);
  line-height: 1;
}

.stat-label {
  font-family: var(--font-headings);
  font-size: 0.85rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: rgba(255, 255, 255, 0.75);
  margin: 0;
}

@media (max-width: 768px) {
  .stats-grid {
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
  }
  .stat-number {
    font-size: 2.3rem;
  }
}

/* --- SECCIÓN PORTAFOLIO (PROYECTOS) --- */
.portfolio-filters {
  display: flex;
  justify-content: center;
  gap: 10px;
  margin-bottom: var(--spacing-lg);
  flex-wrap: wrap;
}

.filter-btn {
  background-color: var(--bg-secondary);
  border: 1px solid var(--color-secondary-light);
  padding: 0.85rem 1.5rem;
  font-family: var(--font-headings);
  font-weight: 600;
  border-radius: var(--border-radius-sm);
  cursor: pointer;
  transition: var(--transition-smooth);
  color: var(--text-dark);
}

.filter-btn:hover,
.filter-btn.active {
  background-color: var(--color-primary);
  color: var(--text-light);
  border-color: var(--color-primary);
}

.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: var(--spacing-md);
}

.portfolio-item {
  position: relative;
  display: flex;
  flex-direction: column;
  border-radius: var(--border-radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  background-color: var(--bg-dark);
  /* Permite adaptar la info al tamaño real de la tarjeta, no del viewport */
  container-type: inline-size;
  container-name: portfolio-card;
}

.portfolio-carousel {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 10;
  z-index: 1;
}

.portfolio-img {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0;
  transition: opacity 0.5s ease, transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.portfolio-img.active {
  opacity: 1;
}

.portfolio-item:hover .portfolio-img.active {
  transform: scale(1.08);
}

/* Flechas del carrusel */
.carousel-arrow {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  z-index: 3;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  border: none;
  background-color: rgba(15, 59, 104, 0.55);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  opacity: 0;
  transition: opacity 0.3s ease, background-color 0.3s ease;
}

.portfolio-item:hover .carousel-arrow {
  opacity: 1;
}

/* En touch/sin hover (celulares y tablets) las flechas no se pueden "revelar"
   pasando el mouse, así que quedan siempre visibles a media intensidad. */
@media (hover: none) {
  .carousel-arrow {
    opacity: 0.85;
  }
}

.carousel-arrow:hover {
  background-color: var(--color-accent);
}

.carousel-prev {
  left: 10px;
}

.carousel-next {
  right: 10px;
}

.portfolio-item[data-single] .carousel-arrow,
.portfolio-item[data-single] .carousel-dots {
  display: none;
}

/* Indicadores del carrusel */
.carousel-dots {
  position: absolute;
  bottom: 14px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 6px;
  z-index: 3;
}

.carousel-dots .dot {
  /* El punto visible es de 7px, pero el área clicable/táctil real es de 24px
     (padding + background-clip) para cumplir con el mínimo recomendado en mobile. */
  width: 7px;
  height: 7px;
  padding: 8.5px;
  border: none;
  background-color: rgba(255, 255, 255, 0.55);
  background-clip: content-box;
  border-radius: 50%;
  cursor: pointer;
  transition: background-color 0.3s ease, transform 0.3s ease;
}

.carousel-dots .dot.active {
  background-color: #fff;
  transform: scale(1.3);
}

.portfolio-overlay {
  position: relative;
  width: 100%;
  background-color: var(--bg-dark);
  border-top: 2px solid rgba(194, 155, 56, 0.35);
  display: flex;
  flex-direction: column;
  padding: var(--spacing-md);
  z-index: 2;
}

/* Evita que el contenido se recorte por arriba en tarjetas bajas */
.portfolio-overlay > * {
  flex: 0 0 auto;
  min-height: 0;
}

.portfolio-tag {
  display: inline-block;
  align-self: flex-start;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  color: var(--color-accent-light);
  border: 1px solid rgba(194, 155, 56, 0.4);
  background-color: rgba(194, 155, 56, 0.15);
  padding: 4px 10px;
  border-radius: 4px;
  margin-bottom: var(--spacing-xs);
}

.portfolio-project-title {
  color: var(--text-light);
  font-size: 1.5rem;
  line-height: 1.25;
  margin-bottom: 5px;
}

.portfolio-desc {
  color: rgba(255, 255, 255, 0.85);
  font-size: 0.9rem;
  line-height: 1.45;
  overflow-wrap: break-word;
}

/* --- Ajuste de la info según el ancho REAL de la tarjeta --- */
@container portfolio-card (max-width: 519px) {
  .portfolio-overlay {
    padding: 20px;
  }
  .portfolio-project-title { font-size: 1.3rem; }
  .portfolio-desc {
    font-size: 0.875rem;
  }
}

@container portfolio-card (max-width: 419px) {
  .portfolio-overlay {
    padding: 16px;
  }
  .portfolio-tag { font-size: 0.7rem; }
  .portfolio-project-title { font-size: 1.15rem; }
  .portfolio-desc {
    font-size: 0.8rem;
  }
}

@container portfolio-card (max-width: 339px) {
  .portfolio-overlay {
    padding: 14px;
  }
  .portfolio-project-title { font-size: 1.05rem; }
  .portfolio-desc {
    font-size: 0.78rem;
  }
}

/* Fallback para navegadores sin soporte de container queries */
@supports not (container-type: inline-size) {
  .portfolio-overlay {
    padding: 18px;
  }
  .portfolio-project-title { font-size: 1.2rem; }
}

/* --- SECCIÓN CONTACTO --- */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: var(--spacing-xl);
  align-items: start;
}

.contact-map-wrapper {
  border-radius: var(--border-radius-md);
  overflow: hidden;
  border: 1px solid var(--color-secondary-light);
  box-shadow: var(--shadow-md);
  min-height: 420px;
  height: 100%;
}

.contact-map-wrapper iframe {
  display: block;
  width: 100%;
  height: 100%;
  min-height: 420px;
}

.contact-info {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-lg);
}

.contact-lead {
  font-size: 1.15rem;
  color: var(--text-muted);
}

.contact-details {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

.contact-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
}

.contact-icon {
  width: 50px;
  height: 50px;
  background-color: var(--color-primary-light);
  color: var(--color-primary);
  border-radius: var(--border-radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  flex-shrink: 0;
}

.contact-text h4 {
  font-size: 1.05rem;
  margin-bottom: 2px;
}

.contact-text p {
  color: var(--text-muted);
  font-size: 0.95rem;
}

/* Formulario */
.contact-form-wrapper {
  background-color: var(--bg-primary);
  border: 1px solid var(--color-secondary-light);
  border-radius: var(--border-radius-md);
  padding: var(--spacing-lg);
  box-shadow: var(--shadow-md);
}

.form-group-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-sm);
}

.form-group {
  margin-bottom: var(--spacing-md);
}

.form-label {
  display: block;
  font-family: var(--font-headings);
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 6px;
  color: var(--color-primary);
}

.form-input {
  width: 100%;
  padding: 0.85rem 1rem;
  border: 1px solid var(--color-secondary-light);
  border-radius: var(--border-radius-sm);
  font-family: var(--font-body);
  font-size: 0.95rem;
  transition: var(--transition-smooth);
}

.form-input:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: var(--shadow-accent);
}

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

/* Alertas de Formulario animadas */
.form-message {
  display: none;
  padding: var(--spacing-sm);
  border-radius: var(--border-radius-sm);
  font-size: 0.9rem;
  font-weight: 500;
  margin-top: var(--spacing-sm);
  animation: fadeIn 0.4s ease;
}

.form-message.success {
  display: block;
  background-color: var(--color-accent-light);
  color: var(--color-primary);
  border-left: 4px solid var(--color-accent);
}

.form-message.error {
  display: block;
  background-color: #fee2e2;
  color: var(--color-error);
  border-left: 4px solid var(--color-error);
}

/* --- FOOTER --- */
.footer {
  background-color: var(--bg-dark);
  color: var(--text-light);
  padding: var(--spacing-xl) 0 var(--spacing-sm);
  position: relative;
  overflow: hidden;
  border-top: 2px solid var(--color-secondary);
}

.footer::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: url('../assets/images/backgrounds/croquis-3d-necsa.png');
  background-repeat: no-repeat;
  background-position: bottom center;
  background-size: cover;
  opacity: 0.08;
  pointer-events: none;
  z-index: 0;
}

.footer-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: var(--spacing-xl);
  margin-bottom: var(--spacing-lg);
}

.footer-about {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

.footer-logo-title {
  color: var(--text-light);
}

.footer-desc {
  color: rgba(255, 255, 255, 0.7);
  font-size: 0.95rem;
  max-width: 300px;
}

.social-links {
  display: flex;
  gap: 10px;
}

.social-btn {
  width: 44px;
  height: 44px;
  background-color: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  color: var(--text-light);
  border-radius: var(--border-radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition-smooth);
}

.social-btn:hover {
  background-color: var(--color-accent);
  color: var(--text-light);
  transform: translateY(-3px);
  border-color: var(--color-accent);
}

.footer-column h3 {
  font-size: 1.2rem;
  color: var(--text-light);
  margin-bottom: var(--spacing-md);
  position: relative;
  padding-bottom: 8px;
}

.footer-column h3::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 35px;
  height: 2px;
  background-color: var(--color-accent);
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer-links a {
  color: rgba(255, 255, 255, 0.7);
  font-size: 0.95rem;
}

.footer-links a:hover {
  color: var(--color-accent);
  padding-left: 5px;
}

.footer-bottom {
  position: relative;
  z-index: 1;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding-top: var(--spacing-md);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--spacing-sm);
}

.footer-copy {
  color: rgba(255, 255, 255, 0.5);
  font-size: 0.85rem;
}

.footer-legal {
  display: flex;
  gap: var(--spacing-md);
}

.footer-legal a {
  color: rgba(255, 255, 255, 0.5);
  font-size: 0.85rem;
}

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

/* --- ANIMACIONES --- */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

/* --- RESPONSIVIDAD (MEDIA QUERIES) --- */
@media (max-width: 1024px) {
  .hero-title {
    font-size: 1.9rem;
  }
  .contact-grid {
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
  }
}

@media (max-width: 768px) {
  .section {
    padding: var(--spacing-lg) 0;
  }
  .section-alt {
    padding: var(--spacing-lg) 0;
  }
  
  .nav-toggle {
    display: flex;
  }

  /* Menú desplegable móvil */
  .nav-menu {
    position: fixed;
    top: 80px;
    left: -100%;
    width: 100%;
    height: calc(100vh - 80px);
    background-color: var(--bg-primary);
    transition: var(--transition-smooth);
    box-shadow: var(--shadow-md);
    z-index: 999;
  }
  
  .nav-menu.open {
    left: 0;
  }
  
  .nav-list {
    flex-direction: column;
    padding: var(--spacing-xl) 0;
    gap: var(--spacing-lg);
  }
  
  .nav-link {
    font-size: 1.2rem;
    color: var(--text-dark) !important;
  }
  
  .header:not(.scrolled) .nav-link {
    text-shadow: none;
  }
  
  /* Hamburguesa animada */
  .nav-toggle.open .nav-toggle-bar:nth-child(1) {
    transform: translateY(8px) rotate(45deg);
  }
  .nav-toggle.open .nav-toggle-bar:nth-child(2) {
    opacity: 0;
  }
  .nav-toggle.open .nav-toggle-bar:nth-child(3) {
    transform: translateY(-8px) rotate(-45deg);
  }
  
  .hero {
    min-height: 85vh;
    padding-top: 120px;
  }
  
  .hero-title {
    font-size: 1.5rem;
  }

  .hero-description {
    font-size: 1.05rem;
  }
  
  .portfolio-grid {
    grid-template-columns: 1fr;
  }

  
  .form-group-row {
    grid-template-columns: 1fr;
    gap: 0;
  }
}

@media (max-width: 480px) {
  .hero-title {
    font-size: 1.25rem;
  }
  .hero-actions {
    flex-direction: column;
    width: 100%;
  }
  .hero-actions .btn {
    width: 100%;
  }
  .footer-grid {
    grid-template-columns: 1fr;
  }
  .footer-bottom {
    flex-direction: column;
    align-items: center;
    text-align: center;
  }
}

/* --- BOTÓN FLOTANTE DE WHATSAPP --- */
.whatsapp-btn {
  position: fixed;
  bottom: 30px;
  right: 30px;
  background-color: #25d366;
  color: #ffffff !important;
  width: 60px;
  height: 60px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2.2rem;
  box-shadow: 0 8px 25px rgba(37, 211, 102, 0.4);
  z-index: 999;
  transition: var(--transition-bounce);
  cursor: pointer;
}

.whatsapp-btn:hover {
  transform: scale(1.1) translateY(-5px);
  box-shadow: 0 12px 30px rgba(37, 211, 102, 0.6);
  background-color: #20ba5a;
}

.whatsapp-btn i {
  color: #ffffff;
}

/* Badge de WhatsApp emergente */
.whatsapp-badge {
  position: absolute;
  right: 75px;
  background-color: #0c2340;
  color: #ffffff;
  font-family: var(--font-headings);
  font-size: 0.8rem;
  font-weight: 600;
  padding: 8px 14px;
  border-radius: 50px;
  white-space: nowrap;
  box-shadow: var(--shadow-md);
  border: 1px solid rgba(250, 199, 117, 0.2);
  opacity: 0;
  transform: translateX(10px);
  transition: var(--transition-smooth);
  pointer-events: none;
}

.whatsapp-btn:hover .whatsapp-badge {
  opacity: 1;
  transform: translateX(0);
}

/* Animación de pulso continuo (micro-animación) */
.whatsapp-btn::after {
  content: '';
  position: absolute;
  width: 100%;
  height: 100%;
  border-radius: 50%;
  border: 2px solid #25d366;
  left: 0;
  top: 0;
  animation: whatsappPulse 2s infinite;
  z-index: -1;
  opacity: 0;
}

@keyframes whatsappPulse {
  0% {
    transform: scale(1);
    opacity: 0.6;
  }
  100% {
    transform: scale(1.5);
    opacity: 0;
  }
}

/* --- HERO TAGLINE --- */
.hero-tagline {
  font-family: var(--font-headings);
  font-size: 1.5rem;
  font-weight: 500;
  font-style: italic;
  color: var(--color-accent-light);
  margin-bottom: var(--spacing-sm);
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.3);
}

@media (max-width: 768px) {
  .hero-tagline {
    font-size: 1.2rem;
  }
}

/* --- SECCIÓN NOSOTROS (VISIÓN) --- */
.about-text {
  font-size: 1.05rem;
  color: var(--text-dark);
  line-height: 1.8;
  text-align: justify;
  margin-top: var(--spacing-sm);
}

.vision-container {
  max-width: 800px;
  margin: 0 auto;
}

.vision-card {
  position: relative;
  overflow: hidden;
  padding: var(--spacing-lg);
  border-left: 5px solid var(--color-accent);
  border-radius: var(--border-radius-md);
  box-shadow: var(--shadow-lg);
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
  background-color: var(--bg-dark);
  background-image:
    linear-gradient(rgba(8, 20, 38, 0.72), rgba(8, 20, 38, 0.72)),
    url('../assets/images/backgrounds/historia-wireframe.png');
  background-size: cover;
  background-position: center;
}

.vision-card::before {
  content: '';
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  opacity: 0.45;
  background-image:
    linear-gradient(90deg, rgba(120, 190, 255, 0.55) 1px, transparent 1px),
    linear-gradient(0deg, rgba(120, 190, 255, 0.55) 1px, transparent 1px);
  background-size: 56px 56px;
  animation: heroBlueprintDrift 20s linear infinite;
}

.vision-icon {
  position: relative;
  z-index: 1;
  width: 50px;
  height: 50px;
  background-color: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.2);
  color: var(--color-accent-light);
  border-radius: var(--border-radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
}

.vision-title {
  position: relative;
  z-index: 1;
  font-family: var(--font-headings);
  font-size: 1.75rem;
  color: var(--text-light);
  margin: 0;
}

.vision-text {
  position: relative;
  z-index: 1;
  font-size: 1.15rem;
  color: rgba(255, 255, 255, 0.85);
  line-height: 1.8;
  overflow-wrap: break-word;
  text-align: justify;
  margin: 0;
}

/* --- Nuestros Valores (Misión, Lealtad, Visión) --- */
.values-panel {
  position: relative;
  overflow: hidden;
  max-width: 1250px;
  margin: var(--spacing-xl) auto 0;
  padding: var(--spacing-xl) var(--spacing-lg);
  border-radius: var(--border-radius-lg);
  background-color: var(--bg-dark);
  background-image: url('../assets/images/backgrounds/valores-wireframe.png');
  background-size: cover;
  background-position: center;
  box-shadow: var(--shadow-lg);
}

.values-panel::before {
  content: '';
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  opacity: 0.45;
  background-image:
    linear-gradient(90deg, rgba(120, 190, 255, 0.55) 1px, transparent 1px),
    linear-gradient(0deg, rgba(120, 190, 255, 0.55) 1px, transparent 1px);
  background-size: 56px 56px;
  animation: heroBlueprintDrift 20s linear infinite;
}

.values-title {
  position: relative;
  z-index: 1;
  text-align: center;
  font-family: var(--font-headings);
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--text-light);
  margin-bottom: var(--spacing-lg);
  padding-bottom: var(--spacing-sm);
}

.values-title::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 60px;
  height: 3px;
  background-color: var(--color-accent-light);
}

.values-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-lg);
}

@media (max-width: 800px) {
  .values-grid {
    grid-template-columns: 1fr;
    gap: var(--spacing-md);
  }
}

.value-card {
  position: relative;
  overflow: hidden;
  background-color: var(--bg-primary);
  border-radius: var(--border-radius-md);
  padding: var(--spacing-lg) var(--spacing-md) var(--spacing-md);
  box-shadow: var(--shadow-md);
  border-top: 4px solid var(--color-accent);
  transition: var(--transition-bounce);
}

.value-card:hover {
  transform: translateY(-10px);
  box-shadow: var(--shadow-lg);
}

.value-number {
  position: absolute;
  top: -10px;
  right: 10px;
  font-family: var(--font-headings);
  font-size: 5rem;
  font-weight: 800;
  color: var(--color-primary-light);
  line-height: 1;
  z-index: 0;
  user-select: none;
}

.value-icon {
  position: relative;
  z-index: 1;
  width: 60px;
  height: 60px;
  margin-bottom: var(--spacing-sm);
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
  color: var(--text-light);
  border-radius: var(--border-radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  box-shadow: var(--shadow-accent);
  transition: var(--transition-smooth);
}

.value-card:hover .value-icon {
  transform: scale(1.1) rotate(-4deg);
}

.value-name {
  position: relative;
  z-index: 1;
  font-family: var(--font-headings);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 0.6rem;
}

.value-text {
  position: relative;
  z-index: 1;
  font-size: 0.92rem;
  line-height: 1.65;
  color: var(--text-muted);
  overflow-wrap: break-word;
  text-align: left;
  margin: 0;
}