/* ============================================================
   ZulNorth - Servicios Integrales LTDA.
   Sitio reconstruido en PHP custom por DevLyon (2026)
   Estilo: Industrial / Maestranza / Mantenimiento Mecánico
   Colores: acero oscuro + naranja seguridad + grafito
   ============================================================ */

/* ── Variables ────────────────────────────────────────────── */
:root {
  /* Paleta industrial */
  --color-steel:        #2b3440;  /* acero oscuro principal */
  --color-steel-dark:   #1a1f26;  /* acero muy oscuro */
  --color-steel-light:  #3d4856;  /* acero medio */
  --color-graphite:     #12161b;  /* grafito casi negro */
  --color-metal:        #4a5568;  /* metal cepillado */
  --color-accent:       #f4791f;  /* naranja seguridad industrial */
  --color-accent-dark:  #d9640a;  /* naranja oscuro */
  --color-accent-light: #ff944d;  /* naranja claro */
  --color-warning:      #f2c200;  /* amarillo seguridad */
  --color-bg:           #eef0f3;  /* fondo claro industrial */
  --color-bg-alt:       #e2e6ea;  /* fondo alternativo */
  --color-text:         #2d3748;  /* texto principal */
  --color-text-light:   #6b7280;  /* texto secundario */
  --color-white:        #ffffff;
  --color-border:       #cbd5e0;
  --color-overlay:      rgba(18, 22, 27, 0.78);

  /* Tipografia industrial */
  --font-heading: 'Oswald', 'Impact', 'Arial Narrow', sans-serif;
  --font-body: 'Barlow', 'Segoe UI', Tahoma, sans-serif;
  --font-mono: 'Roboto Mono', 'Consolas', monospace;

  /* Sombras */
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.12);
  --shadow-md: 0 4px 14px rgba(0,0,0,0.18);
  --shadow-lg: 0 12px 36px rgba(0,0,0,0.25);
  --shadow-industrial: 0 4px 20px rgba(0,0,0,0.35), inset 0 1px 0 rgba(255,255,255,0.08);

  /* Transiciones */
  --transition: all 0.3s ease;
  --transition-slow: all 0.5s cubic-bezier(0.34, 1.2, 0.64, 1);

  /* Layout */
  --max-width: 1280px;
  --navbar-height: 80px;
}

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

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

body {
  font-family: var(--font-body);
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.65;
  overflow-x: hidden;
  font-weight: 400;
}

img { max-width: 100%; height: auto; display: block; }
a { color: var(--color-accent); text-decoration: none; transition: var(--transition); }
a:hover { color: var(--color-accent-dark); }

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 600;
  line-height: 1.15;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

/* ── Layout ───────────────────────────────────────────────── */
.container { width: 100%; max-width: var(--max-width); margin: 0 auto; padding: 0 2rem; box-sizing: border-box; }
section { padding: 5.5rem 0; position: relative; }
.section-title {
  text-align: center; font-size: 2.6rem; color: var(--color-steel);
  margin-bottom: 0.5rem; font-weight: 700;
  text-shadow: 0 2px 4px rgba(0,0,0,0.08);
}
.section-divider {
  width: 80px; height: 4px; background: var(--color-accent);
  margin: 0 auto 1.5rem; border: none; position: relative;
}
.section-divider::after {
  content: ''; position: absolute; top: 0; left: -20px;
  width: 20px; height: 4px; background: var(--color-steel);
}
.section-divider::before {
  content: ''; position: absolute; top: 0; right: -20px;
  width: 20px; height: 4px; background: var(--color-steel);
}
.section-subtitle {
  text-align: center; font-size: 1.15rem; color: var(--color-text-light);
  margin-bottom: 3.5rem; font-family: var(--font-body);
  text-transform: none; max-width: 700px; margin-left: auto; margin-right: auto;
}

/* Textura metal cepillado (fondo) */
.metal-texture {
  background:
    repeating-linear-gradient(90deg, transparent, transparent 2px, rgba(255,255,255,0.02) 2px, rgba(255,255,255,0.02) 4px),
    var(--color-steel-dark);
}

/* ════════════════════════════════════════════════════════════
   NAVBAR - Transparente sobre hero, logo centrado con escudo
   Estructura: [menu-izq 2items] [logo-centro] [menu-der 2items]
   ════════════════════════════════════════════════════════════ */
.navbar {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  background: transparent;
  height: var(--navbar-height);
  transition: background-color 0.5s ease, box-shadow 0.5s ease, height 0.4s ease;
}
.navbar.scrolled {
  background: rgba(18, 22, 27, 0.97);
  backdrop-filter: blur(12px);
  box-shadow: 0 4px 20px rgba(0,0,0,0.4), inset 0 -1px 0 rgba(244,121,31,0.3);
  height: 64px;
}
.navbar .container {
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 2rem; position: relative; height: 100%;
  max-width: 100%;
}
/* Menu izq y der: mismo ancho (flex:1) para centrar el logo exacto */
.navbar-left, .navbar-right {
  display: flex; align-items: center; flex: 1; min-width: 0;
}
.navbar-left { justify-content: flex-end; padding-right: 100px; }
.navbar-right { justify-content: flex-start; padding-left: 100px; }
.navbar-nav {
  display: flex; list-style: none; gap: 0; align-items: center;
}
.navbar-nav a {
  color: var(--color-white); padding: 0.5rem 1.2rem; font-size: 0.92rem;
  font-weight: 600; text-transform: uppercase; letter-spacing: 0.06em;
  transition: var(--transition); position: relative;
  font-family: var(--font-heading); display: inline-block;
}
/* Barra naranja bajo cada item al hover/active */
.navbar-nav a::after {
  content: ''; position: absolute; bottom: -4px; left: 50%; width: 0; height: 3px;
  background: var(--color-accent); transition: width 0.3s ease, left 0.3s ease;
  border-radius: 2px;
}
.navbar-nav a:hover::after, .navbar-nav a.active::after { width: 60%; left: 20%; }
.navbar-nav a:hover, .navbar-nav a.active { color: var(--color-accent); }

/* ── Logo centrado con ESCUDO ─────────────────────────────── */
.navbar-logo {
  position: absolute; left: 50%; top: 50%;
  transform: translate(-50%, -50%);
  z-index: 10;
  display: flex; flex-direction: column; align-items: center;
  cursor: pointer; text-decoration: none;
}
/* Shield: escudo heraldico con el logo completo dentro */
.navbar-logo .logo-shield {
  position: relative;
  width: 56px; height: 68px;
  display: flex; align-items: center; justify-content: center;
  transition: width 0.5s cubic-bezier(0.34, 1.3, 0.64, 1),
              height 0.5s cubic-bezier(0.34, 1.3, 0.64, 1),
              transform 0.4s ease;
}
/* Hover: escudo crece con efecto elastico */
.navbar-logo:hover .logo-shield {
  width: 80px; height: 96px;
  transform: scale(1.05);
}
/* Scrolled: escudo se reduce */
.navbar.scrolled .navbar-logo .logo-shield { width: 44px; height: 53px; }
.navbar.scrolled .navbar-logo:hover .logo-shield { width: 70px; height: 84px; }

/* SVG del escudo (shield heraldico) */
.navbar-logo .shield-svg {
  position: absolute; top: 0; left: 0; width: 100%; height: 100%;
  fill: rgba(18, 22, 27, 0.85);
  filter: drop-shadow(0 3px 8px rgba(0,0,0,0.5));
  transition: fill 0.4s ease;
  z-index: 0;
}
.navbar.scrolled .navbar-logo .shield-svg { fill: rgba(18, 22, 27, 0.95); }
/* Borde naranja del escudo al hover */
.navbar-logo .shield-border {
  position: absolute; top: 0; left: 0; width: 100%; height: 100%;
  opacity: 0; transition: opacity 0.4s ease;
  z-index: 1; pointer-events: none;
}
.navbar-logo:hover .shield-border { opacity: 1; }

/* Imagen del logo dentro del escudo */
.navbar-logo .logo-img {
  position: relative; z-index: 2;
  width: 80%; height: 80%; object-fit: contain;
  filter: drop-shadow(0 1px 3px rgba(0,0,0,0.4));
  transition: all 0.5s cubic-bezier(0.34, 1.3, 0.64, 1);
}

/* ── Slogan de texto bajo el escudo ── */
.navbar-logo .logo-text {
  color: var(--color-white); font-family: var(--font-heading);
  font-size: 0.7rem; font-weight: 700; letter-spacing: 0.16em;
  text-align: center; line-height: 1.2;
  text-shadow: 0 1px 4px rgba(0,0,0,0.6);
  white-space: nowrap;
  opacity: 0; max-height: 0; overflow: hidden; margin: 0;
  transition: opacity 0.4s ease 0.1s, max-height 0.4s ease, margin 0.4s ease;
}
.navbar-logo .logo-text span {
  display: block; font-size: 0.52rem; color: var(--color-accent);
  font-weight: 500; letter-spacing: 0.12em; margin-top: 1px;
}
/* Scrolled: mostrar el slogan, ocultar escudo */
.navbar.scrolled .navbar-logo .logo-shield {
  width: 0; height: 0; overflow: hidden; opacity: 0;
}
.navbar.scrolled .navbar-logo:hover .logo-shield {
  width: 60px; height: 72px; opacity: 1;
}
.navbar.scrolled .navbar-logo .logo-text {
  opacity: 1; max-height: 40px; margin-top: 2px;
}
.navbar.scrolled .navbar-logo:hover .logo-text {
  opacity: 0; max-height: 0; margin: 0;
}

/* ── Boton hamburguesa CSS animado (mobile) ── */
.navbar-toggle {
  display: none; background: none; border: none; cursor: pointer;
  position: absolute; right: 1rem; top: 50%; transform: translateY(-50%);
  z-index: 11; width: 40px; height: 40px;
  flex-direction: column; justify-content: center; align-items: center;
  gap: 5px; padding: 8px;
}
/* 3 lineas de la hamburguesa */
.navbar-toggle .burger-line {
  display: block; width: 26px; height: 3px; background: var(--color-white);
  border-radius: 2px; transition: all 0.35s ease;
  transform-origin: center;
}
/* Animacion a X al abrir */
.navbar-toggle.active .burger-line:nth-child(1) {
  transform: translateY(8px) rotate(45deg);
}
.navbar-toggle.active .burger-line:nth-child(2) {
  opacity: 0; transform: scaleX(0);
}
.navbar-toggle.active .burger-line:nth-child(3) {
  transform: translateY(-8px) rotate(-45deg);
}
/* Hover: lineas naranjas */
.navbar-toggle:hover .burger-line { background: var(--color-accent); }
.navbar-toggle.active:hover .burger-line { background: var(--color-accent); }

/* ── Menu mobile dropdown (unificado) ── */
.navbar-mobile {
  display: none;
}

/* ════════════════════════════════════════════════════════════
   HERO / INICIO
   ════════════════════════════════════════════════════════════ */
.hero {
  height: 100vh; min-height: 650px; position: relative;
  display: flex; align-items: center; justify-content: center;
  text-align: center; overflow: hidden;
}
/* Mobile: usar svh/dvh para evitar que la barra del navegador oculte contenido */
@supports (height: 100svh) {
  .hero { height: 100svh; }
}
@supports (height: 100dvh) {
  .hero { height: 100dvh; }
}
.hero-slideshow { position: absolute; inset: 0; z-index: 0; }
.hero-slideshow .slide {
  position: absolute; inset: 0; background-size: cover; background-position: center;
  opacity: 0; transition: opacity 1.8s ease-in-out;
  transform: scale(1.05);
}
.hero-slideshow .slide.active { opacity: 1; transform: scale(1); transition: opacity 1.8s ease-in-out, transform 6s ease; }
.hero-overlay {
  position: absolute; inset: 0; z-index: 1;
  background:
    linear-gradient(135deg, rgba(18,22,27,0.82) 0%, rgba(18,22,27,0.65) 50%, rgba(18,22,27,0.82) 100%);
}
/* Líneas industriales decorativas en el hero */
.hero-overlay::before {
  content: ''; position: absolute; bottom: 0; left: 0; right: 0; height: 6px;
  background: linear-gradient(90deg, var(--color-accent) 0%, var(--color-accent) 30%, var(--color-steel) 30%, var(--color-steel) 100%);
}
.hero-content { position: relative; z-index: 2; color: var(--color-white); padding: 0 2rem; }
.hero-content h1 {
  font-size: 5rem; color: var(--color-white); margin-bottom: 0.3rem;
  letter-spacing: 0.08em; font-weight: 700;
  text-shadow: 0 4px 20px rgba(0,0,0,0.5);
}
.hero-content h2 {
  font-size: 2rem; color: var(--color-accent); margin-bottom: 1.2rem;
  letter-spacing: 0.12em; font-weight: 500;
}
.hero-content p {
  font-size: 1.2rem; max-width: 750px; margin: 0 auto;
  text-transform: none; letter-spacing: 0; font-family: var(--font-body);
  color: rgba(255,255,255,0.85); line-height: 1.7;
}
/* Línea separadora industrial bajo el texto del hero */
.hero-content .hero-line {
  width: 120px; height: 4px; margin: 1.5rem auto 0;
  background: var(--color-accent); position: relative;
}
.hero-content .hero-line::before, .hero-content .hero-line::after {
  content: ''; position: absolute; top: -3px; width: 10px; height: 10px;
  background: var(--color-accent); border-radius: 50%;
}
.hero-content .hero-line::before { left: -15px; }
.hero-content .hero-line::after { right: -15px; }

/* ── Botón "Scroll Down" del hero (mouse animado) ─────────── */
.hero-scroll {
  position: absolute; bottom: 2rem; left: 50%; transform: translateX(-50%);
  z-index: 3; display: flex; flex-direction: column; align-items: center; gap: 0.5rem;
  text-decoration: none; cursor: pointer;
  animation: scrollHint 2.5s ease-in-out infinite;
}
@keyframes scrollHint { 0%,100% { transform: translateX(-50%) translateY(0); } 50% { transform: translateX(-50%) translateY(8px); } }
/* Mouse (contorno) */
.hero-scroll .scroll-mouse {
  width: 28px; height: 46px; border: 2.5px solid var(--color-white);
  border-radius: 14px; display: flex; justify-content: center;
  padding-top: 7px; position: relative;
  background: rgba(18,22,27,0.3); backdrop-filter: blur(4px);
  transition: var(--transition);
}
/* Rueda del mouse (animacion de scroll) */
.hero-scroll .scroll-wheel {
  width: 4px; height: 8px; background: var(--color-accent);
  border-radius: 2px; animation: wheelScroll 1.8s ease infinite;
}
@keyframes wheelScroll {
  0% { opacity: 1; transform: translateY(0); }
  100% { opacity: 0; transform: translateY(14px); }
}
/* Texto "Scroll" */
.hero-scroll .scroll-label {
  font-family: var(--font-heading); font-size: 0.65rem; font-weight: 600;
  color: var(--color-white); text-transform: uppercase; letter-spacing: 0.2em;
  text-shadow: 0 1px 4px rgba(0,0,0,0.5);
}
.hero-scroll:hover .scroll-mouse {
  border-color: var(--color-accent); background: rgba(244,121,31,0.15);
  transform: scale(1.1);
}
.hero-scroll:hover .scroll-wheel { background: var(--color-white); }

/* ════════════════════════════════════════════════════════════
   QUIENES SOMOS (con video de fondo autoplay)
   ════════════════════════════════════════════════════════════ */
#quienes-somos {
  background: var(--color-white);
  position: relative; overflow: hidden;
}
.about-video-bg-video {
  position: absolute; top: 0; left: 0; width: 100%; height: 100%;
  object-fit: cover; z-index: 0; opacity: 0.2;
  pointer-events: none;
}
#quienes-somos .container { position: relative; z-index: 2; }
.about-grid { display: grid; grid-template-columns: 1.2fr 1fr; gap: 3.5rem; align-items: start; }
.about-text p { margin-bottom: 1.3rem; line-height: 1.85; font-size: 1.02rem; }
.about-text strong { color: var(--color-steel); }
.about-vision-mision h4 {
  color: var(--color-accent); margin-bottom: 0.5rem; font-size: 1.1rem;
  display: flex; align-items: center; gap: 0.5rem;
}
.about-vision-mision h4::before {
  content: '\f0ad'; font-family: 'Font Awesome 6 Free'; font-weight: 900;
  font-size: 0.9rem; color: var(--color-accent);
}
.about-vision-mision p { margin-bottom: 1.2rem; }
.about-video-bg {
  background: linear-gradient(135deg, rgba(43,52,64,0.96), rgba(18,22,27,0.98));
  color: var(--color-white); padding: 2.8rem; border-radius: 6px;
  backdrop-filter: blur(6px);
  border: 1px solid rgba(244,121,31,0.2);
  border-top: 4px solid var(--color-accent);
  box-shadow: var(--shadow-industrial);
}

/* ════════════════════════════════════════════════════════════
   QUE OFRECEMOS (con imagen de fondo parallax)
   ════════════════════════════════════════════════════════════ */
#que-ofrecemos {
  background:
    linear-gradient(rgba(18, 22, 27, 0.93), rgba(18, 22, 27, 0.96)),
    url('../img/hero/hero3.jpg') center/cover fixed no-repeat;
  color: var(--color-white);
  position: relative;
}
#que-ofrecemos .section-title { color: var(--color-white); }
#que-ofrecemos .section-subtitle { color: rgba(255,255,255,0.8); }
.services-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.8rem; }
.service-card {
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.08);
  border-top: 3px solid var(--color-accent);
  border-radius: 4px; padding: 2.2rem; text-align: center;
  transition: var(--transition);
  position: relative; overflow: hidden;
}
.service-card::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0; height: 100%;
  background: linear-gradient(180deg, rgba(244,121,31,0.08) 0%, transparent 50%);
  opacity: 0; transition: opacity 0.4s ease;
}
.service-card:hover::before { opacity: 1; }
.service-card:hover {
  background: rgba(244,121,31,0.06);
  border-color: var(--color-accent);
  transform: translateY(-6px);
  box-shadow: 0 12px 36px rgba(0,0,0,0.4);
}
.service-icon {
  font-size: 2.8rem; color: var(--color-accent); margin-bottom: 1.2rem;
  display: inline-block; transition: var(--transition);
}
.service-card:hover .service-icon { transform: rotate(15deg) scale(1.1); color: var(--color-accent-light); }
.service-card h3 { color: var(--color-white); font-size: 1.25rem; margin-bottom: 1.2rem; }
.service-card ul { list-style: none; text-align: left; }
.service-card ul li {
  padding: 0.35rem 0; color: rgba(255,255,255,0.8); font-size: 0.92rem;
  position: relative; padding-left: 1.4rem; line-height: 1.5;
}
.service-card ul li::before {
  content: '\f0c8'; font-family: 'Font Awesome 6 Free'; font-weight: 900;
  position: absolute; left: 0; top: 0.35rem;
  font-size: 0.5rem; color: var(--color-accent);
}

/* ════════════════════════════════════════════════════════════
   TRABAJOS / GALERÍA
   ════════════════════════════════════════════════════════════ */
#trabajos {
  background: var(--color-bg-alt);
  position: relative;
}
/* Patrón de textura industrial sutil */
#trabajos::before {
  content: ''; position: absolute; inset: 0;
  background: repeating-linear-gradient(0deg, transparent, transparent 40px, rgba(0,0,0,0.015) 40px, rgba(0,0,0,0.015) 41px);
  pointer-events: none;
}
#trabajos .container { position: relative; }
.works-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.8rem; margin-bottom: 3.5rem; }
.work-card {
  background: var(--color-white); border-radius: 4px; overflow: hidden;
  box-shadow: var(--shadow-sm); transition: var(--transition);
  cursor: pointer; border-bottom: 3px solid transparent;
}
.work-card:hover {
  transform: translateY(-6px); box-shadow: var(--shadow-lg);
  border-bottom-color: var(--color-accent);
}
.work-card-img { height: 240px; overflow: hidden; position: relative; }
.work-card-img img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s ease; }
.work-card:hover .work-card-img img { transform: scale(1.08); }
/* Overlay oscuro al hover */
.work-card-img::before {
  content: ''; position: absolute; inset: 0; z-index: 1;
  background: linear-gradient(180deg, transparent 40%, rgba(18,22,27,0.5) 100%);
  opacity: 0; transition: opacity 0.4s ease;
}
.work-card:hover .work-card-img::before { opacity: 1; }
/* Botón central con icono PDF al hover */
.work-card-img::after {
  content: '\f1c1'; font-family: 'Font Awesome 6 Free'; font-weight: 900;
  position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%) scale(0) rotate(-180deg);
  font-size: 2rem; color: var(--color-white);
  background: linear-gradient(135deg, var(--color-accent), var(--color-accent-dark));
  width: 72px; height: 72px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  transition: transform 0.45s cubic-bezier(0.34, 1.5, 0.64, 1), opacity 0.3s ease;
  opacity: 0; z-index: 2;
  box-shadow: 0 6px 20px rgba(244,121,31,0.5), 0 0 0 4px rgba(255,255,255,0.15);
  border: 2px solid rgba(255,255,255,0.2);
}
.work-card:hover .work-card-img::after {
  transform: translate(-50%, -50%) scale(1) rotate(0deg);
  opacity: 1;
}
/* Texto "Ver PDF" bajo el botón circular */
.work-card .work-card-img .pdf-label {
  position: absolute; bottom: 1rem; left: 50%; transform: translateX(-50%) translateY(10px);
  z-index: 3; color: var(--color-white); font-family: var(--font-heading);
  font-size: 0.8rem; text-transform: uppercase; letter-spacing: 0.08em; font-weight: 600;
  opacity: 0; transition: opacity 0.3s ease 0.1s, transform 0.3s ease 0.1s;
  text-shadow: 0 2px 6px rgba(0,0,0,0.6); white-space: nowrap;
}
.work-card:hover .work-card-img .pdf-label { opacity: 1; transform: translateX(-50%) translateY(0); }
.work-card-body { padding: 1.4rem; }
.work-card-body .date { font-size: 0.82rem; color: var(--color-text-light); margin-bottom: 0.3rem; }
.work-card-body h3 { font-size: 1.05rem; color: var(--color-steel); }
.work-card-body .category {
  display: inline-block; margin-top: 0.6rem; font-size: 0.75rem;
  background: var(--color-steel); color: var(--color-white);
  padding: 0.25rem 0.8rem; border-radius: 2px; text-transform: uppercase;
  letter-spacing: 0.05em; font-family: var(--font-heading);
}
.work-card-body .view-pdf {
  display: inline-flex; align-items: center; gap: 0.5rem; margin-top: 0.9rem;
  font-size: 0.85rem; color: var(--color-accent); font-weight: 600;
  text-transform: uppercase; letter-spacing: 0.04em; transition: var(--transition);
  font-family: var(--font-heading);
}
.work-card-body .view-pdf:hover { color: var(--color-accent-dark); gap: 0.7rem; }

/* Galería de productos */
.gallery-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; }
.gallery-item {
  position: relative; overflow: hidden; border-radius: 4px; cursor: pointer;
  border: 2px solid transparent; transition: var(--transition);
}
.gallery-item:hover { border-color: var(--color-accent); transform: scale(1.02); }
.gallery-item img { width: 100%; height: 220px; object-fit: cover; transition: transform 0.5s ease; }
.gallery-item:hover img { transform: scale(1.1); }
.gallery-item .overlay {
  position: absolute; inset: 0; background: rgba(18,22,27,0.78); color: var(--color-white);
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  gap: 0.6rem; opacity: 0; transition: opacity 0.3s ease;
  font-family: var(--font-heading); font-size: 0.95rem; text-align: center; padding: 1rem;
  text-transform: uppercase; letter-spacing: 0.04em;
}
.gallery-item .overlay i {
  font-size: 1.8rem; color: var(--color-accent);
  background: rgba(255,255,255,0.1); width: 50px; height: 50px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  border: 2px solid var(--color-accent); transition: var(--transition);
}
.gallery-item:hover .overlay i { transform: scale(1.15); background: var(--color-accent); color: var(--color-white); }
.gallery-item .overlay span { text-shadow: 0 2px 6px rgba(0,0,0,0.6); }
.gallery-item:hover .overlay { opacity: 1; }

/* ════════════════════════════════════════════════════════════
   CONTACTO
   ════════════════════════════════════════════════════════════ */
#contacto {
  background:
    linear-gradient(rgba(18,22,27,0.95), rgba(18,22,27,0.98)),
    var(--color-graphite);
  color: var(--color-white); position: relative;
}
#contacto .section-title { color: var(--color-white); }
.contact-grid { display: grid; grid-template-columns: 1fr 1fr 1.2fr; gap: 2.5rem; }
.contact-column h3 {
  color: var(--color-accent); font-size: 1.05rem; margin-bottom: 1.2rem;
  padding-bottom: 0.6rem; border-bottom: 2px solid var(--color-accent);
  display: flex; align-items: center; gap: 0.5rem;
  font-family: var(--font-heading); letter-spacing: 0.04em;
}
.contact-column h3 i { font-size: 0.9rem; }

/* Tarjeta de contacto (persona) */
.contact-card {
  background: rgba(255,255,255,0.04); border: 1px solid rgba(255,255,255,0.08);
  border-left: 3px solid var(--color-accent); border-radius: 4px;
  padding: 1.2rem 1.4rem; margin-bottom: 1rem;
  transition: var(--transition);
}
.contact-card:hover {
  background: rgba(244,121,31,0.06); border-left-color: var(--color-accent-light);
  transform: translateX(4px);
}
.contact-name {
  color: var(--color-white); font-size: 1rem; font-weight: 600;
  margin-bottom: 0.7rem; font-family: var(--font-body);
}
/* Datos de contacto con icono (email, telefono) */
.contact-info {
  color: rgba(255,255,255,0.7); font-size: 0.88rem; line-height: 1.6;
  font-family: var(--font-body); margin: 0.3rem 0;
  display: flex; align-items: center; gap: 0.6rem;
}
.contact-info i {
  color: var(--color-accent); font-size: 0.85rem; width: 16px; text-align: center;
  flex-shrink: 0;
}

/* Boton WhatsApp exclusivo del Area Ventas */
.contact-whatsapp-btn {
  display: flex; align-items: center; justify-content: center; gap: 0.6rem;
  margin-top: 0.8rem; padding: 0.7rem 1.2rem; border-radius: 4px;
  background: #25D366; color: var(--color-white) !important; text-decoration: none;
  font-family: var(--font-heading); font-size: 0.82rem; font-weight: 600;
  text-transform: uppercase; letter-spacing: 0.04em;
  transition: var(--transition); border-bottom: 3px solid #1da851;
  min-height: 48px;
}
.contact-whatsapp-btn i { font-size: 1.2rem; }
.contact-whatsapp-btn:hover {
  background: #1da851; transform: translateY(-2px);
  box-shadow: 0 6px 16px rgba(37,211,102,0.35);
  color: var(--color-white) !important;
}

/* Formulario industrial */
.contact-form { display: flex; flex-direction: column; gap: 1rem; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.contact-form input, .contact-form textarea {
  background: rgba(255,255,255,0.06); border: 1px solid rgba(255,255,255,0.12);
  border-left: 3px solid var(--color-accent);
  color: var(--color-white); padding: 0.85rem 1.1rem; border-radius: 3px;
  font-family: var(--font-body); font-size: 0.95rem; transition: var(--transition);
}
.contact-form input::placeholder, .contact-form textarea::placeholder { color: rgba(255,255,255,0.35); }
.contact-form input:focus, .contact-form textarea:focus {
  outline: none; border-color: var(--color-accent);
  border-left-color: var(--color-accent);
  background: rgba(255,255,255,0.1); box-shadow: 0 0 0 2px rgba(244,121,31,0.15);
}
.contact-form textarea { resize: vertical; min-height: 130px; }
.contact-form button {
  background: var(--color-accent); color: var(--color-white); border: none;
  padding: 1rem 2rem; border-radius: 3px; font-family: var(--font-heading);
  font-size: 1.05rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.06em;
  cursor: pointer; transition: var(--transition);
  display: inline-flex; align-items: center; justify-content: center; gap: 0.5rem;
  border-bottom: 3px solid var(--color-accent-dark);
}
.contact-form button:hover {
  background: var(--color-accent-dark); transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(244,121,31,0.4);
}
.contact-form button:active { transform: translateY(0); }
.honeypot { position: absolute; left: -9999px; }

/* Checkbox anti-spam (términos y condiciones) */
.form-checkbox {
  display: flex; align-items: flex-start; gap: 0.7rem; cursor: pointer;
  padding: 0.5rem 0; margin-bottom: 0.3rem;
}
.form-checkbox input[type="checkbox"] {
  position: absolute; opacity: 0; width: 0; height: 0; cursor: pointer;
}
/* Caja del checkbox personalizada */
.form-checkbox .checkbox-mark {
  flex-shrink: 0; width: 22px; height: 22px; border-radius: 3px;
  border: 2px solid rgba(255,255,255,0.25); background: rgba(255,255,255,0.06);
  position: relative; transition: var(--transition); margin-top: 1px;
}
.form-checkbox .checkbox-mark::after {
  content: '\f00c'; font-family: 'Font Awesome 6 Free'; font-weight: 900;
  position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%) scale(0);
  font-size: 0.7rem; color: var(--color-white);
  transition: transform 0.25s cubic-bezier(0.34, 1.5, 0.64, 1);
}
/* Estado checked */
.form-checkbox input:checked + .checkbox-mark {
  background: var(--color-accent); border-color: var(--color-accent);
}
.form-checkbox input:checked + .checkbox-mark::after {
  transform: translate(-50%, -50%) scale(1);
}
/* Focus accesible */
.form-checkbox input:focus + .checkbox-mark {
  border-color: var(--color-accent); box-shadow: 0 0 0 3px rgba(244,121,31,0.2);
}
/* Hover */
.form-checkbox:hover .checkbox-mark { border-color: var(--color-accent); }
/* Texto del checkbox */
.form-checkbox .checkbox-text {
  color: rgba(255,255,255,0.6); font-size: 0.82rem; line-height: 1.5;
  font-family: var(--font-body); text-transform: none;
}
.form-checkbox:hover .checkbox-text { color: rgba(255,255,255,0.8); }

/* Mensajes del formulario */
.form-message { padding: 1rem 1.2rem; border-radius: 3px; margin-bottom: 1rem; font-size: 0.92rem; border-left: 4px solid; }
.form-message.success { background: rgba(34,197,94,0.12); border-left-color: #22c55e; color: #4ade80; }
.form-message.error { background: rgba(239,68,68,0.12); border-left-color: #ef4444; color: #f87171; }

/* ════════════════════════════════════════════════════════════
   FOOTER
   ════════════════════════════════════════════════════════════ */
.footer {
  background: var(--color-graphite); color: rgba(255,255,255,0.6);
  padding: 3rem 0 0; font-size: 0.88rem;
  border-top: 4px solid var(--color-accent);
}
.footer a { color: var(--color-accent); transition: var(--transition); }
.footer a:hover { color: var(--color-accent-light); }
.footer .footer-grid {
  display: grid; grid-template-columns: 1.2fr 1fr 1fr; gap: 2.5rem;
  padding-bottom: 2.5rem;
}
.footer-col h4 {
  color: var(--color-white); font-size: 1rem; margin-bottom: 1rem;
  padding-bottom: 0.5rem; border-bottom: 2px solid var(--color-accent);
  font-family: var(--font-heading); letter-spacing: 0.05em;
}
.footer-col p { margin: 0.4rem 0; line-height: 1.7; }
.footer-col p strong { color: var(--color-white); }
.footer-col p a { display: inline-flex; align-items: center; gap: 0.5rem; }
.footer-col p a i { width: 16px; text-align: center; }
.footer .footer-logo { margin-bottom: 1rem; }
.footer .footer-logo img { height: 70px; filter: drop-shadow(0 2px 6px rgba(0,0,0,0.4)); }
.footer .footer-company { font-size: 1.1rem; }
.footer-nav { list-style: none; }
.footer-nav li { margin: 0.5rem 0; }
.footer-nav a { color: rgba(255,255,255,0.6); transition: var(--transition); }
.footer-nav a:hover { color: var(--color-accent); padding-left: 5px; }

/* Barra inferior: copyright + créditos DevLyon */
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding: 1.5rem 0; display: flex; justify-content: space-between;
  align-items: center; flex-wrap: wrap; gap: 1rem;
}
.footer-copy { color: rgba(255,255,255,0.45); margin: 0; }
.footer-credits {
  margin: 0; color: rgba(255,255,255,0.45); font-size: 0.85rem;
  display: flex; align-items: center; gap: 0.3rem;
}
/* Crédito DevLyon con estilo destacado */
.devlyon-credit {
  display: inline-flex; align-items: center; gap: 0.35rem;
  color: var(--color-accent) !important;
  font-family: var(--font-heading); font-size: 0.95rem;
  letter-spacing: 0.05em; font-weight: 600;
  padding: 0.2rem 0.6rem; border: 1px solid rgba(244,121,31,0.3);
  border-radius: 3px; transition: var(--transition);
  text-decoration: none;
}
.devlyon-credit:hover {
  background: var(--color-accent); color: var(--color-white) !important;
  border-color: var(--color-accent); transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(244,121,31,0.3);
}
.devlyon-credit i { font-size: 0.7rem; }

/* ── Scroll-to-top (botón industrial volver arriba) ───────── */
.scroll-top {
  position: fixed; bottom: 2rem; right: 2rem; z-index: 999;
  width: 52px; height: 52px; border-radius: 4px;
  background: var(--color-steel-dark); color: var(--color-white);
  border: none; cursor: pointer; font-size: 1.2rem;
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  gap: 3px; opacity: 0; visibility: hidden;
  transition: var(--transition);
  border-top: 3px solid var(--color-accent);
  box-shadow: 0 4px 16px rgba(0,0,0,0.35), inset 0 1px 0 rgba(255,255,255,0.08);
  overflow: hidden;
}
/* Barra de progreso vertical (indica scroll) */
.scroll-top .scroll-top-bar {
  position: absolute; bottom: 0; left: 0; width: 100%; height: 0;
  background: var(--color-accent); transition: height 0.1s ease;
  opacity: 0.4; z-index: 0;
}
.scroll-top i { position: relative; z-index: 1; transition: var(--transition); }
.scroll-top.visible { opacity: 1; visibility: visible; }
.scroll-top:hover {
  background: var(--color-accent); border-top-color: var(--color-accent-light);
  transform: translateY(-4px);
  box-shadow: 0 8px 24px rgba(244,121,31,0.4);
}
.scroll-top:hover i { transform: translateY(-2px) scale(1.15); }
.scroll-top:active { transform: translateY(-1px); }

/* ── Modal visor de PDF ───────────────────────────────────── */
.pdf-modal {
  position: fixed; inset: 0; z-index: 2000;
  background: rgba(0,0,0,0.88); display: none;
  align-items: center; justify-content: center; padding: 2rem;
}
.pdf-modal.open { display: flex; }
.pdf-modal-content {
  background: var(--color-white); border-radius: 4px; width: 90%; max-width: 1000px;
  height: 90vh; display: flex; flex-direction: column; overflow: hidden;
  box-shadow: var(--shadow-lg); animation: modalIn 0.35s ease;
  border-top: 4px solid var(--color-accent);
}
@keyframes modalIn { from { opacity: 0; transform: scale(0.92) translateY(20px); } to { opacity: 1; transform: scale(1) translateY(0); } }
.pdf-modal-header {
  display: flex; align-items: center; justify-content: space-between;
  padding: 1.1rem 1.5rem; background: var(--color-steel-dark); color: var(--color-white);
  border-bottom: 2px solid var(--color-accent);
}
.pdf-modal-header h3 { color: var(--color-white); font-size: 1.15rem; }
.pdf-modal-close {
  background: none; border: none; color: var(--color-white); font-size: 1.6rem;
  cursor: pointer; padding: 0.25rem 0.5rem; transition: var(--transition);
  line-height: 1;
}
.pdf-modal-close:hover { color: var(--color-accent); transform: rotate(90deg); }
.pdf-modal-body { flex: 1; overflow: hidden; }
.pdf-modal-body iframe { width: 100%; height: 100%; border: 0; }

/* ════════════════════════════════════════════════════════════
   LIGHTBOX - Visor de imágenes galería
   ════════════════════════════════════════════════════════════ */
.lightbox {
  position: fixed; inset: 0; z-index: 2000;
  background: rgba(0,0,0,0.92); display: none;
  align-items: center; justify-content: center; padding: 2rem;
}
.lightbox.open { display: flex; }
.lightbox-content {
  max-width: 90%; max-height: 85vh; display: flex; flex-direction: column;
  align-items: center; animation: lightboxIn 0.35s ease;
}
@keyframes lightboxIn { from { opacity: 0; transform: scale(0.9); } to { opacity: 1; transform: scale(1); } }
.lightbox-content img {
  max-width: 100%; max-height: 75vh; object-fit: contain;
  border-radius: 4px; box-shadow: 0 20px 60px rgba(0,0,0,0.6);
  border: 3px solid rgba(244,121,31,0.3);
}
.lightbox-caption {
  color: var(--color-white); font-family: var(--font-heading);
  font-size: 1rem; text-transform: uppercase; letter-spacing: 0.06em;
  margin-top: 1rem; text-align: center; text-shadow: 0 2px 6px rgba(0,0,0,0.5);
}
.lightbox-close {
  position: absolute; top: 1.5rem; right: 2rem; z-index: 10;
  background: rgba(244,121,31,0.2); border: 2px solid var(--color-accent);
  color: var(--color-white); font-size: 1.8rem; cursor: pointer;
  width: 50px; height: 50px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  transition: var(--transition); line-height: 1;
}
.lightbox-close:hover { background: var(--color-accent); transform: rotate(90deg) scale(1.1); }
.lightbox-nav {
  position: absolute; top: 50%; transform: translateY(-50%); z-index: 10;
  background: rgba(255,255,255,0.08); border: 2px solid rgba(255,255,255,0.15);
  color: var(--color-white); font-size: 1.5rem; cursor: pointer;
  width: 56px; height: 56px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  transition: var(--transition);
}
.lightbox-nav:hover { background: var(--color-accent); border-color: var(--color-accent); transform: translateY(-50%) scale(1.1); }
.lightbox-prev { left: 2rem; }
.lightbox-next { right: 2rem; }

/* ── Animaciones de scroll ────────────────────────────────── */
.fade-in { opacity: 0; transform: translateY(35px); transition: opacity 0.7s ease, transform 0.7s ease; }
.fade-in.visible { opacity: 1; transform: translateY(0); }

/* ════════════════════════════════════════════════════════════
   RESPONSIVE - Todo el responsive esta en mobile.css
   (carga despues de style.css con media="(max-width: 1024px)")
   ════════════════════════════════════════════════════════════ */

/* Actualización de portafolio 2026 */
.hero-actions{display:flex;justify-content:center;align-items:center;gap:.8rem;flex-wrap:wrap;margin:1.5rem auto 0}
.hero-button{display:inline-flex;align-items:center;gap:.5rem;padding:.78rem 1.2rem;border-radius:3px;background:#ee7924;color:#fff;font-weight:700;text-decoration:none;text-transform:uppercase;letter-spacing:.04em;font-size:.82rem;transition:transform .2s,background .2s}
.hero-button:hover{background:#d86112;transform:translateY(-2px);color:#fff}
.hero-button-outline{background:rgba(10,27,42,.72);border:1px solid #fff}
.section-intro{max-width:820px;margin:0 auto 1.7rem;text-align:center;line-height:1.6}
.more-catalogs{margin:3rem 0 1rem;padding:1.5rem;background:#eef2f5;border-left:4px solid #ee7924}
.more-catalogs h3{margin:0 0 1rem;color:#1a3345;text-transform:uppercase}
.catalog-links{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:.65rem}
.catalog-links a{display:flex;gap:.6rem;align-items:center;padding:.85rem;background:white;color:#1a3345;text-decoration:none;font-weight:600;border:1px solid #dce3e8}
.catalog-links a:hover{border-color:#ee7924;color:#c65e13}
.catalog-links a .fa-arrow-up-right-from-square{margin-left:auto;font-size:.75rem}
.video-feature{display:grid;grid-template-columns:1fr minmax(280px,1.4fr);align-items:center;gap:2rem;margin:3rem 0 0;padding:1.6rem;background:#132938;color:white}
.video-feature h3{font-size:1.7rem;text-transform:uppercase;color:white}
.video-feature p{color:#e6e9ea;line-height:1.6}
.video-feature video{width:100%;max-height:460px;background:#07121d}
.whatsapp-float{position:fixed;z-index:1000;right:22px;bottom:22px;display:flex;align-items:center;gap:.55rem;background:#1c9b57;color:white;border-radius:999px;padding:.8rem 1.1rem;box-shadow:0 8px 24px rgba(0,0,0,.28);text-decoration:none;font-size:.88rem;font-weight:700}
.whatsapp-float .fab{font-size:1.5rem}
.whatsapp-float:hover{background:#167e47;color:white}
.work-card{cursor:pointer}
@media(max-width:700px){.video-feature{grid-template-columns:1fr}.whatsapp-float{right:15px;bottom:15px;padding:.7rem}.whatsapp-float span{display:none}.whatsapp-float .fab{font-size:1.7rem}.hero-actions{gap:.5rem}.hero-button{font-size:.72rem;padding:.7rem .85rem}}

.work-pillars{display:grid;grid-template-columns:1fr 1fr;gap:1.25rem;margin:1.7rem 0 2.7rem}.pillar-card{display:grid;grid-template-columns:1fr 44%;background:#10283c;color:#fff;overflow:hidden;min-height:400px}.pillar-card img{width:100%;height:100%;object-fit:cover;object-position:top}.pillar-copy{padding:1.65rem}.pillar-eyebrow{font-size:.74rem;color:#f48a36;text-transform:uppercase;letter-spacing:.1em;font-weight:700}.pillar-copy h3{font-size:1.7rem;color:#fff;text-transform:uppercase;margin:.35rem 0}.pillar-copy p{line-height:1.5;color:#e8edf1}.pillar-copy ul{margin:1rem 0 1.2rem;padding-left:1.2rem;line-height:1.7;font-size:.9rem}.pillar-copy a{color:#ff9b51;font-weight:700;text-decoration:none}.catalog-heading{margin:2rem 0 1.1rem;color:#183348;text-transform:uppercase}.work-card-img img{object-position:top}
@media(max-width:1100px){.work-pillars{grid-template-columns:1fr}.pillar-card{grid-template-columns:1fr 38%}}@media(max-width:600px){.pillar-card{grid-template-columns:1fr}.pillar-card img{max-height:370px;object-fit:contain;background:#0d2132}.pillar-copy{padding:1.25rem}}