/* ==========================================================================
   SYSTRONIC — Hoja de estilos principal
   --------------------------------------------------------------------------
   Estructura de este archivo (usa Ctrl+F con las etiquetas [SECCION]):
   [1] VARIABLES Y RESET
   [2] TIPOGRAFIA Y UTILIDADES
   [3] BOTONES
   [4] BARRA SUPERIOR (topbar) Y ENCABEZADO / NAV
   [5] MENU MOVIL (hamburguesa)
   [6] HERO (portada)
   [7] SECCIONES GENERALES / TITULOS DE SECCION
   [8] AREAS DE SERVICIO (4 tarjetas principales)
   [9] TARJETAS DE PROYECTOS / BANCOS / GALERIA
   [10] CARACTERISTICAS REALES (reemplaza estadisticas infladas)
   [11] PROCESO "DE LA IDEA AL EQUIPO TERMINADO"
   [12] FORMULARIO DE CONTACTO
   [13] BOTON FLOTANTE DE WHATSAPP
   [14] FOOTER
   [15] ANIMACIONES (scroll reveal)
   [16] PISTAS PCB (motivo grafico decorativo)
   [17] RESPONSIVE (tablet y movil)
   ========================================================================== */

/* ==========================================================================
   [1] VARIABLES Y RESET
   ========================================================================== */
:root {
  /* Colores base — negro / grafito / aluminio (identidad industrial real) */
  --bg: #0a0a0b;
  --bg-alt: #121314;
  --surface: #18191b;
  --surface-2: #1e2022;
  --border: #2a2c2f;
  --border-soft: #212325;

  /* Acento tecnologico — cian, usado con moderacion (NO como color dominante) */
  --primary: #1ab8cc;
  --primary-dim: #0f3339;
  --primary-glow: rgba(26, 184, 204, 0.25);

  /* Grises aluminio */
  --alum: #9aa0a6;
  --alum-soft: #c9cdd2;

  /* Pilotos / pulsadores — detalles minimos inspirados en los bancos didacticos */
  --pilot-green: #33c25a;   /* pilotos de marcha / bancos educativos */
  --pilot-amber: #f2b705;   /* aviso / automatizacion y control */
  --pilot-red: #e5484d;     /* peligro / laser-CNC (fabricacion digital) */
  --pilot-green-dim: rgba(51, 194, 90, 0.14);
  --pilot-amber-dim: rgba(242, 183, 5, 0.14);
  --pilot-red-dim: rgba(229, 72, 77, 0.14);

  /* Texto */
  --text: #f4f5f6;
  --text-dim: #aeb3b8;
  --text-dimmer: #6d7278;

  /* Tipografia */
  --font-base: 'Segoe UI', Roboto, -apple-system, BlinkMacSystemFont, Arial, sans-serif;
  --font-mono: 'Consolas', 'Courier New', monospace;

  /* Layout */
  --max-width: 1240px;
  --radius: 14px;
  --radius-sm: 8px;
  --header-h: 78px;

  /* Sombras / transiciones */
  --shadow-soft: 0 20px 50px -20px rgba(0, 0, 0, 0.7);
  --transition: 0.25s ease;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--header-h);
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-base);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul, ol { margin: 0; padding: 0; list-style: none; }
button { font-family: inherit; cursor: pointer; }
input, textarea, select { font-family: inherit; }

/* Fondo general — negro/grafito solido, con un toque de acento muy sutil.
   A proposito NO se usa un lavado grande de cian: el acento tecnologico se
   reserva para detalles puntuales (botones, iconos, bordes), no para pintar
   toda la pagina de azul. */
body {
  background-image:
    radial-gradient(circle at 12% 0%, rgba(26, 184, 204, 0.05), transparent 32%),
    linear-gradient(var(--bg), var(--bg));
  background-attachment: fixed;
}

::selection { background: var(--primary); color: #04121a; }

/* Barra de scroll (estetica, navegadores WebKit) */
::-webkit-scrollbar { width: 10px; }
::-webkit-scrollbar-track { background: var(--bg-alt); }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 10px; }
::-webkit-scrollbar-thumb:hover { background: var(--primary-dim); }

/* ==========================================================================
   [2] TIPOGRAFIA Y UTILIDADES
   ========================================================================== */
h1, h2, h3, h4 {
  margin: 0 0 .5em;
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.01em;
}

h1 { font-size: clamp(2.2rem, 5vw, 3.6rem); }
h2 { font-size: clamp(1.7rem, 3.4vw, 2.5rem); }
h3 { font-size: 1.3rem; }
p { margin: 0 0 1em; color: var(--text-dim); }

.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

.section {
  padding: 100px 0;
  position: relative;
}

.section--alt {
  background: linear-gradient(180deg, transparent, rgba(255,255,255,0.015) 20%, rgba(255,255,255,0.015) 80%, transparent);
  border-top: 1px solid var(--border-soft);
  border-bottom: 1px solid var(--border-soft);
}

.section--tight { padding: 60px 0; }

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

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--primary);
  margin-bottom: 14px;
}

.eyebrow::before {
  content: '';
  width: 26px;
  height: 2px;
  background: var(--primary);
}

.section-head {
  max-width: 720px;
  margin: 0 0 56px;
}

.section-head.text-center { margin-left: auto; margin-right: auto; }

.section-head p { font-size: 1.05rem; }

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

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

.divider {
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--border), transparent);
  margin: 60px 0;
  border: none;
}

.badge {
  display: inline-block;
  padding: 5px 12px;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 1px;
  text-transform: uppercase;
  border: 1px solid var(--border);
  border-radius: 999px;
  color: var(--text-dim);
  background: rgba(255,255,255,0.02);
}

.tag-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 22px;
  align-items: center;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  color: var(--alum);
  letter-spacing: 0.3px;
}

.tag-row span { display: inline-flex; align-items: center; }
.tag-row span:not(:last-child)::after {
  content: '\2022';
  margin-left: 22px;
  color: var(--primary);
}

.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: center; }

/* Placeholder de imagen (cuando aun no se usa una foto real) */
.img-frame {
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--border);
  background: var(--surface);
}

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

.replace-note {
  position: absolute;
  bottom: 10px;
  left: 10px;
  right: 10px;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  color: var(--pilot-amber);
  background: rgba(5, 7, 11, 0.8);
  border: 1px dashed var(--pilot-amber);
  border-radius: 6px;
  padding: 4px 8px;
  display: none;
}

/* Cuando se agrega la clase .is-placeholder se muestra la nota de reemplazo */
.img-frame.is-placeholder .replace-note { display: block; }

/* ==========================================================================
   [3] BOTONES
   ========================================================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 14px 28px;
  border-radius: 6px;
  font-weight: 600;
  font-size: 0.95rem;
  border: 1px solid transparent;
  transition: transform var(--transition), box-shadow var(--transition), background var(--transition), border-color var(--transition), color var(--transition);
  white-space: nowrap;
}

.btn:active { transform: translateY(1px); }

.btn--primary {
  background: var(--primary);
  color: #04141a;
  box-shadow: 0 10px 30px -12px var(--primary-glow);
}

.btn--primary:hover {
  background: #22c9de;
  box-shadow: 0 14px 36px -10px var(--primary-glow);
  transform: translateY(-2px);
}

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

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

.btn--whatsapp {
  background: #1fae5c;
  color: #fff;
}

.btn--whatsapp:hover { background: #189150; transform: translateY(-2px); }

.btn--block { width: 100%; }
.btn--sm { padding: 10px 18px; font-size: 0.85rem; }

.btn-row { display: flex; gap: 16px; flex-wrap: wrap; }

/* ==========================================================================
   [4] BARRA SUPERIOR (topbar) Y ENCABEZADO / NAV
   ========================================================================== */
.topbar {
  background: var(--bg-alt);
  border-bottom: 1px solid var(--border-soft);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--text-dimmer);
}

.topbar .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 8px;
  padding-bottom: 8px;
  gap: 16px;
  flex-wrap: wrap;
}

.topbar a { color: var(--text-dim); transition: color var(--transition); }
.topbar a:hover { color: var(--primary); }
.topbar__item { display: inline-flex; align-items: center; gap: 6px; }
.topbar__item svg { flex: none; opacity: 0.85; }
.topbar__group { display: flex; gap: 20px; flex-wrap: wrap; }
.topbar__social { display: flex; gap: 12px; }
.topbar__social a { display: flex; }
.topbar__social svg { width: 15px; height: 15px; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--header-h);
  display: flex;
  align-items: center;
  /* Nota: se evita "backdrop-filter" aqui a proposito. Si se aplica sobre
     .site-header, crea un "containing block" para los elementos con
     position:fixed que esten dentro (como el menu movil), y el menu
     movil queda atrapado dentro de los 78px de alto del header en vez
     de cubrir toda la pantalla. Se usa un fondo casi solido en su lugar. */
  background: rgba(10, 10, 11, 0.97);
  border-bottom: 1px solid var(--border-soft);
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

/* ---- Logo / marca -------------------------------------------------------
   El logo se muestra como IMAGEN (assets/logo.svg), no como texto, para
   que sea el logo oficial de SYSTRONIC el que aparezca en el menu. Mientras
   se agrega el archivo definitivo, "assets/logo.svg" contiene una version
   provisional. Para reemplazarlo: sustituye ese archivo (mismo nombre) por
   el logo oficial exportado en SVG (ideal) o PNG con fondo transparente. */
.brand { display: flex; align-items: center; }
.brand img {
  height: 40px;
  width: auto;
  max-width: 210px;
  object-fit: contain;
}

.main-nav { display: flex; align-items: center; gap: 4px; }

.main-nav > ul { display: flex; align-items: center; gap: 2px; }

.main-nav a.nav-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 10px 14px;
  font-size: 0.92rem;
  font-weight: 500;
  color: var(--text-dim);
  border-radius: var(--radius-sm);
  transition: color var(--transition), background var(--transition);
}

.main-nav a.nav-link:hover,
.main-nav li.is-active > a.nav-link {
  color: var(--primary);
  background: rgba(26, 184, 204, 0.07);
}

.main-nav li.has-dropdown { position: relative; }

.main-nav .dropdown {
  position: absolute;
  top: calc(100% + 10px);
  left: 0;
  min-width: 280px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 8px;
  box-shadow: var(--shadow-soft);
  opacity: 0;
  visibility: hidden;
  transform: translateY(8px);
  transition: opacity var(--transition), transform var(--transition), visibility var(--transition);
}

.main-nav li.has-dropdown:hover .dropdown,
.main-nav li.has-dropdown:focus-within .dropdown {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.main-nav .dropdown a {
  display: block;
  padding: 10px 12px;
  border-radius: 6px;
  font-size: 0.88rem;
  color: var(--text-dim);
}

.main-nav .dropdown a:hover { background: rgba(26,184,204,0.08); color: var(--primary); }

.header-cta { display: flex; align-items: center; gap: 12px; }

.nav-toggle {
  display: none;
  width: 42px;
  height: 42px;
  border-radius: 8px;
  background: var(--surface);
  border: 1px solid var(--border);
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 5px;
}

.nav-toggle span {
  display: block;
  width: 20px;
  height: 2px;
  background: var(--text);
  transition: transform var(--transition), opacity var(--transition);
}

.nav-toggle.is-active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.is-active span:nth-child(2) { opacity: 0; }
.nav-toggle.is-active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ==========================================================================
   [5] MENU MOVIL (hamburguesa)
   ========================================================================== */
@media (max-width: 960px) {
  .nav-toggle { display: inline-flex; }

  .main-nav {
    position: fixed;
    top: var(--header-h);
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--bg-alt);
    flex-direction: column;
    align-items: stretch;
    padding: 20px;
    overflow-y: auto;
    transform: translateX(100%);
    transition: transform 0.3s ease;
    border-top: 1px solid var(--border-soft);
  }

  .main-nav.is-open { transform: translateX(0); }

  .main-nav > ul { flex-direction: column; align-items: stretch; gap: 4px; width: 100%; }

  .main-nav a.nav-link { padding: 14px 12px; width: 100%; font-size: 1rem; }

  .main-nav .dropdown {
    position: static;
    opacity: 1;
    visibility: visible;
    transform: none;
    display: none;
    box-shadow: none;
    border: none;
    background: rgba(255,255,255,0.02);
    margin: 0 0 6px 12px;
  }

  .main-nav li.has-dropdown.is-open .dropdown { display: block; }

  .main-nav li.has-dropdown > a.nav-link { justify-content: space-between; }

  .header-cta .btn span.btn-text-full { display: none; }

  .brand img { height: 32px; max-width: 160px; }
}

/* ==========================================================================
   [6] HERO (portada)
   ========================================================================== */
.hero {
  position: relative;
  padding: 110px 0 90px;
  overflow: hidden;
  border-bottom: 1px solid var(--border-soft);
}

.hero .container {
  position: relative;
  display: grid;
  grid-template-columns: 1fr 1.05fr;
  gap: 56px;
  align-items: center;
}

.hero__kicker {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  letter-spacing: 1.5px;
  color: var(--text-dim);
  border: 1px solid var(--border);
  background: var(--surface);
  padding: 8px 16px;
  border-radius: 999px;
  margin-bottom: 24px;
}

.hero__kicker .dot {
  width: 7px; height: 7px; border-radius: 50%;
  background: var(--pilot-green);
  box-shadow: 0 0 8px var(--pilot-green);
}

.hero h1 {
  margin-bottom: 20px;
}

.hero__lead {
  font-size: 1.15rem;
  color: var(--text-dim);
  max-width: 560px;
  margin-bottom: 28px;
}

.hero__tags {
  margin-bottom: 40px;
}

/* ---- Foto real del hero --------------------------------------------------
   Aqui va la fotografia panoramica real de los bancos didacticos (o el
   equipo destacado del momento). NO es un elemento decorativo: debe verse
   como una fotografia de producto grande y con presencia. Mientras se
   agrega la foto definitiva, se muestra un marcador claro para reemplazar. */
.hero__photo {
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--border);
  background: var(--surface);
  aspect-ratio: 16 / 9;
  box-shadow: var(--shadow-soft);
}

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

.hero__photo-caption {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  background: linear-gradient(0deg, rgba(6,7,8,0.92), transparent);
  padding: 40px 22px 18px;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--alum-soft);
}

/* ==========================================================================
   [7] SECCIONES GENERALES / TITULOS
   ========================================================================== */
.page-hero {
  padding: 150px 0 70px;
  border-bottom: 1px solid var(--border-soft);
  position: relative;
  overflow: hidden;
}

.page-hero .container { position: relative; }

.breadcrumb {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--text-dimmer);
  margin-bottom: 18px;
}

.breadcrumb a { color: var(--text-dim); }
.breadcrumb a:hover { color: var(--primary); }

.page-hero h1 { max-width: 780px; }
.page-hero p.lead { font-size: 1.1rem; max-width: 700px; }

/* ==========================================================================
   [8] AREAS DE SERVICIO (4 tarjetas principales)
   --------------------------------------------------------------------------
   Cada area tiene un color de "piloto" propio (igual que los pulsadores e
   indicadores de un tablero real), no como decoracion sino como codigo de
   color consistente que se repite en tarjetas de proyectos y filtros.
   .area-card--bancos   -> verde   (educacion / marcha)
   .area-card--automatizacion -> ambar (proceso / control)
   .area-card--electronica    -> cian  (acento tecnologico principal)
   .area-card--fabricacion    -> rojo  (laser / advertencia real de equipo)
   ========================================================================== */
.areas-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.area-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-left: 3px solid var(--pilot-color, var(--primary));
  border-radius: var(--radius);
  padding: 32px;
  transition: transform var(--transition), border-color var(--transition), box-shadow var(--transition);
}

.area-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-soft);
}

.area-card--bancos { --pilot-color: var(--pilot-green); }
.area-card--automatizacion { --pilot-color: var(--pilot-amber); }
.area-card--electronica { --pilot-color: var(--primary); }
.area-card--fabricacion { --pilot-color: var(--pilot-red); }

.area-card__head {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 18px;
}

.area-card__pilot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--pilot-color, var(--primary));
  box-shadow: 0 0 10px var(--pilot-color, var(--primary));
  flex: none;
}

.area-card__head h3 { margin: 0; font-size: 1.25rem; }

.area-card > p { font-size: 0.95rem; }

.area-card__list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 18px;
}

.area-card__list span {
  font-family: var(--font-mono);
  font-size: 0.74rem;
  padding: 5px 11px;
  border-radius: 999px;
  border: 1px solid var(--border);
  color: var(--text-dim);
  background: var(--bg-alt);
}

.area-card__link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 22px;
  font-size: 0.86rem;
  font-weight: 600;
  color: var(--pilot-color, var(--primary));
}

/* Tarjeta de capacidad individual (icono + titulo + texto corto), usada en
   paginas de detalle como Fabricacion digital para desglosar procesos */
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.services-grid--4 { grid-template-columns: repeat(4, 1fr); }

.service-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 26px 24px;
  transition: transform var(--transition), border-color var(--transition), box-shadow var(--transition);
}

.service-card:hover {
  transform: translateY(-4px);
  border-color: var(--primary-dim);
  box-shadow: var(--shadow-soft);
}

.service-card__icon {
  width: 46px;
  height: 46px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--primary-dim);
  color: var(--primary);
  margin-bottom: 18px;
}

.service-card__icon svg { width: 22px; height: 22px; }
.service-card h3 { margin-bottom: 8px; font-size: 1.02rem; }
.service-card p { font-size: 0.86rem; margin-bottom: 0; }

/* Version compacta para paginas internas (icono + texto en una fila) */
.service-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}

.service-list li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 16px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--surface);
}

.service-list li .check {
  flex: none;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: var(--primary-dim);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  margin-top: 2px;
}

.service-list li strong { display: block; color: var(--text); font-size: 0.95rem; }
.service-list li small { color: var(--text-dimmer); font-size: 0.82rem; }

/* ==========================================================================
   [9] TARJETAS DE PROYECTOS / BANCOS / GALERIA
   ========================================================================== */
.card-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.card-grid.card-grid--2 { grid-template-columns: repeat(2, 1fr); }

.project-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: transform var(--transition), box-shadow var(--transition);
}

.project-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-soft); }

.project-card__img {
  aspect-ratio: 4 / 3;
  position: relative;
  overflow: hidden;
  border-bottom: 1px solid var(--border);
}

.project-card__img img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.4s ease; }
.project-card:hover .project-card__img img { transform: scale(1.05); }

.project-card__tag {
  position: absolute;
  top: 12px;
  left: 12px;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.5px;
  background: rgba(6,7,8,0.8);
  border: 1px solid var(--tag-color, var(--primary));
  color: var(--tag-color, var(--primary));
  padding: 4px 10px 4px 8px;
  border-radius: 999px;
  text-transform: uppercase;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.project-card__tag::before {
  content: '';
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--tag-color, var(--primary));
}

/* Codigo de color por area tecnologica, igual que las tarjetas de servicio */
.project-card__tag--bancos { --tag-color: var(--pilot-green); }
.project-card__tag--automatizacion { --tag-color: var(--pilot-amber); }
.project-card__tag--electronica { --tag-color: var(--primary); }
.project-card__tag--fabricacion { --tag-color: var(--pilot-red); }

.project-card__body { padding: 22px; }
.project-card__body h3 { margin-bottom: 8px; }
.project-card__body p { font-size: 0.9rem; margin-bottom: 0; }

.project-card__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 14px;
}

.project-card__meta span {
  font-size: 0.72rem;
  font-family: var(--font-mono);
  padding: 3px 9px;
  border-radius: 999px;
  border: 1px solid var(--border);
  color: var(--text-dimmer);
}

/* Galeria en mosaico */
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}

.gallery-item {
  position: relative;
  aspect-ratio: 1 / 1;
  border-radius: var(--radius-sm);
  overflow: hidden;
  border: 1px solid var(--border);
  cursor: zoom-in;
}

.gallery-item img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.4s ease, filter var(--transition); }
.gallery-item:hover img { transform: scale(1.08); }

.gallery-item__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(0deg, rgba(0,0,0,0.75), transparent 55%);
  display: flex;
  align-items: flex-end;
  padding: 12px;
  opacity: 0;
  transition: opacity var(--transition);
}

.gallery-item:hover .gallery-item__overlay { opacity: 1; }
.gallery-item__overlay span { font-size: 0.78rem; font-weight: 600; }

/* Filtros de galeria / proyectos */
.filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 40px;
}

.filter-btn {
  padding: 9px 18px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text-dim);
  font-size: 0.85rem;
  transition: all var(--transition);
}

.filter-btn:hover { color: var(--primary); border-color: var(--primary-dim); }
.filter-btn.is-active { background: var(--primary); color: #04141a; border-color: var(--primary); font-weight: 600; }

/* Lightbox simple para galeria */
.lightbox {
  position: fixed;
  inset: 0;
  background: rgba(3,4,5,0.94);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 999;
  padding: 40px 20px;
}

.lightbox.is-open { display: flex; }

.lightbox__content { max-width: 900px; width: 100%; text-align: center; }
.lightbox__content img { border-radius: var(--radius); border: 1px solid var(--border); max-height: 78vh; margin: 0 auto; }
.lightbox__caption { margin-top: 16px; color: var(--text-dim); font-family: var(--font-mono); font-size: 0.85rem; }

.lightbox__close {
  position: absolute;
  top: 24px;
  right: 28px;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text);
  font-size: 1.4rem;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* ==========================================================================
   [10] CARACTERISTICAS REALES (reemplaza la franja de estadisticas)
   --------------------------------------------------------------------------
   No usamos cifras infladas o inventadas ("+150 proyectos"): en su lugar,
   caracteristicas reales y verificables sobre como trabajamos.
   ========================================================================== */
.features-strip {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.feature-box {
  padding: 26px 22px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
  text-align: left;
}

.feature-box .icon {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  background: var(--primary-dim);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
}

.feature-box .icon svg { width: 20px; height: 20px; }
.feature-box strong { display: block; font-size: 1rem; color: var(--text); margin-bottom: 4px; }
.feature-box span { font-size: 0.85rem; color: var(--text-dimmer); }

/* Grid de valores (usado en Quienes somos) — mismo lenguaje visual que .feature-box */
.values-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.value-card {
  padding: 26px 22px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
  text-align: center;
}

.value-card svg { width: 28px; height: 28px; color: var(--primary); margin-bottom: 14px; }
.value-card h3 { font-size: 1rem; }
.value-card p { font-size: 0.85rem; margin: 0; }

/* ==========================================================================
   [11] PROCESO "DE LA IDEA AL EQUIPO TERMINADO"
   --------------------------------------------------------------------------
   Cadena horizontal de 8 etapas (en movil se apila vertical). Se dibuja
   como una "pista" continua para reforzar la identidad de circuito impreso.
   ========================================================================== */
.process-flow {
  display: grid;
  grid-template-columns: repeat(8, 1fr);
  gap: 0;
  position: relative;
  counter-reset: flow;
}

.process-flow::before {
  content: '';
  position: absolute;
  top: 21px;
  left: 4%;
  right: 4%;
  height: 2px;
  background: repeating-linear-gradient(90deg, var(--border) 0 8px, transparent 8px 14px);
  z-index: 0;
}

.process-flow__step {
  position: relative;
  z-index: 1;
  text-align: center;
  padding: 0 6px;
}

.process-flow__step .node {
  counter-increment: flow;
  width: 44px;
  height: 44px;
  margin: 0 auto 16px;
  border-radius: 50%;
  background: var(--bg);
  border: 2px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 0.95rem;
  color: var(--text-dim);
  transition: border-color var(--transition), color var(--transition);
}

.process-flow__step .node::before { content: counter(flow); }

.process-flow__step:hover .node {
  border-color: var(--primary);
  color: var(--primary);
  box-shadow: 0 0 0 4px var(--primary-dim);
}

.process-flow__step span {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  color: var(--text-dim);
}

.process-flow__note {
  max-width: 760px;
  margin: 46px auto 0;
  text-align: center;
  font-size: 1.02rem;
  color: var(--text-dim);
}

/* ==========================================================================
   [12] FORMULARIO DE CONTACTO
   ========================================================================== */
.contact-wrap {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: start;
}

.contact-info-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px;
  margin-bottom: 20px;
}

.contact-info-list { display: flex; flex-direction: column; gap: 22px; }

.contact-info-item { display: flex; gap: 16px; align-items: flex-start; }

.contact-info-item .icon {
  flex: none;
  width: 44px;
  height: 44px;
  border-radius: 10px;
  background: var(--primary-dim);
  border: 1px solid var(--primary-dim);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
}

.contact-info-item .icon svg { width: 20px; height: 20px; }
.contact-info-item h3 { font-size: 0.95rem; margin-bottom: 4px; }
.contact-info-item p { font-size: 0.88rem; margin: 0; }

.social-row { display: flex; gap: 12px; margin-top: 10px; }

.social-row a {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition);
}

.social-row a:hover { border-color: var(--primary); color: var(--primary); transform: translateY(-3px); }
.social-row svg { width: 18px; height: 18px; }

.contact-form {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 36px;
}

.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }

.form-group { margin-bottom: 20px; }
.form-group.full { grid-column: 1 / -1; }

.form-group label {
  display: block;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text-dim);
  margin-bottom: 8px;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 13px 14px;
  background: var(--bg-alt);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text);
  font-size: 0.92rem;
  transition: border-color var(--transition), box-shadow var(--transition);
}

.form-group textarea { resize: vertical; min-height: 130px; }

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px var(--primary-dim);
}

.form-error {
  display: none;
  color: var(--pilot-red);
  font-size: 0.76rem;
  margin-top: 6px;
  font-family: var(--font-mono);
}

.form-group.has-error input,
.form-group.has-error textarea,
.form-group.has-error select { border-color: var(--pilot-red); }

.form-group.has-error .form-error { display: block; }

.form-note {
  font-size: 0.78rem;
  color: var(--text-dimmer);
  margin-top: 14px;
}

.form-status {
  margin-top: 16px;
  padding: 12px 16px;
  border-radius: var(--radius-sm);
  font-size: 0.88rem;
  display: none;
}

.form-status.is-visible { display: block; }
.form-status.is-success { background: var(--pilot-green-dim); border: 1px solid rgba(51,194,90,0.4); color: var(--pilot-green); }
.form-status.is-error { background: var(--pilot-red-dim); border: 1px solid rgba(229,72,77,0.4); color: var(--pilot-red); }

.map-frame {
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--border);
  aspect-ratio: 16/9;
}

.map-frame iframe { width: 100%; height: 100%; border: 0; }

/* ==========================================================================
   [13] BOTON FLOTANTE DE WHATSAPP
   ========================================================================== */
.whatsapp-float {
  position: fixed;
  bottom: 26px;
  right: 26px;
  z-index: 200;
  width: 62px;
  height: 62px;
  border-radius: 50%;
  background: #25d366;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 10px 30px -6px rgba(37, 211, 102, 0.6);
  animation: wa-pulse 2.6s infinite;
}

.whatsapp-float svg { width: 30px; height: 30px; fill: #fff; }

.whatsapp-float:hover { animation: none; transform: scale(1.08); }

.whatsapp-float__tooltip {
  position: absolute;
  right: 74px;
  top: 50%;
  transform: translateY(-50%);
  background: var(--surface);
  border: 1px solid var(--border);
  padding: 8px 14px;
  border-radius: 8px;
  font-size: 0.82rem;
  white-space: nowrap;
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition), visibility var(--transition);
}

.whatsapp-float:hover .whatsapp-float__tooltip { opacity: 1; visibility: visible; }

@keyframes wa-pulse {
  0% { box-shadow: 0 0 0 0 rgba(37,211,102,0.55); }
  70% { box-shadow: 0 0 0 16px rgba(37,211,102,0); }
  100% { box-shadow: 0 0 0 0 rgba(37,211,102,0); }
}

/* ==========================================================================
   [14] FOOTER
   ========================================================================== */
.site-footer {
  background: var(--bg-alt);
  border-top: 1px solid var(--border-soft);
  padding: 70px 0 0;
  margin-top: 60px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
  gap: 40px;
  padding-bottom: 50px;
}

.footer-brand .brand { margin-bottom: 16px; }
.footer-brand p { font-size: 0.9rem; max-width: 320px; }

.footer-col h4 {
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--text);
  margin-bottom: 18px;
}

.footer-col ul { display: flex; flex-direction: column; gap: 10px; }
.footer-col a { font-size: 0.88rem; color: var(--text-dim); transition: color var(--transition); }
.footer-col a:hover { color: var(--primary); }

.footer-contact li {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  font-size: 0.88rem;
  color: var(--text-dim);
}

.footer-contact svg { width: 16px; height: 16px; flex: none; margin-top: 3px; color: var(--primary); }

.footer-social { display: flex; gap: 10px; margin-top: 18px; }

.footer-social a {
  width: 38px; height: 38px;
  border-radius: 50%;
  border: 1px solid var(--border);
  display: flex; align-items: center; justify-content: center;
  transition: all var(--transition);
}

.footer-social a:hover { border-color: var(--primary); color: var(--primary); transform: translateY(-3px); }
.footer-social svg { width: 16px; height: 16px; }

.footer-bottom {
  border-top: 1px solid var(--border-soft);
  padding: 22px 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 0.8rem;
  color: var(--text-dimmer);
}

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

/* ==========================================================================
   [15] ANIMACIONES (scroll reveal)
   ========================================================================== */
[data-reveal] {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

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

/* Si el usuario prefiere menos movimiento, se respeta */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  [data-reveal] { opacity: 1; transform: none; transition: none; }
  .whatsapp-float { animation: none; }
}

/* ==========================================================================
   [16] PISTAS PCB (motivo grafico decorativo)
   --------------------------------------------------------------------------
   Lineas tipo circuito impreso, muy discretas (opacidad baja), inspiradas
   en las pistas del logo de SYSTRONIC. Se usan como fondo de ciertas
   secciones o como divisores, nunca como protagonistas del diseno.
   ========================================================================== */
.pcb-divider {
  height: 64px;
  width: 100%;
  opacity: 0.35;
  pointer-events: none;
  color: var(--primary);
}

.pcb-bg {
  position: absolute;
  inset: 0;
  overflow: hidden;
  pointer-events: none;
  opacity: 0.5;
  z-index: 0;
}

.pcb-bg svg { width: 100%; height: 100%; }

/* Asegura que el contenido de secciones con .pcb-bg quede por encima */
.section > .pcb-bg + .container,
.hero > .pcb-bg + .container { position: relative; z-index: 1; }

/* ==========================================================================
   [17] RESPONSIVE (tablet y movil)
   ========================================================================== */
@media (max-width: 1100px) {
  .card-grid { grid-template-columns: repeat(2, 1fr); }
  .services-grid, .services-grid--4 { grid-template-columns: repeat(2, 1fr); }
  .areas-grid { grid-template-columns: 1fr; }
  .features-strip { grid-template-columns: repeat(2, 1fr); }
  .values-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .gallery-grid { grid-template-columns: repeat(3, 1fr); }
  .process-flow { grid-template-columns: repeat(4, 1fr); row-gap: 36px; }
  .process-flow::before { display: none; }
}

@media (max-width: 960px) {
  .hero .container { grid-template-columns: 1fr; }
  .hero__photo { order: -1; aspect-ratio: 16/9; }
  .grid-2 { grid-template-columns: 1fr; }
  .contact-wrap { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
  .section { padding: 70px 0; }
  .card-grid, .card-grid--2 { grid-template-columns: 1fr; }
  .services-grid, .services-grid--4 { grid-template-columns: 1fr; }
  .areas-grid { grid-template-columns: 1fr; }
  .features-strip { grid-template-columns: 1fr 1fr; }
  .values-grid { grid-template-columns: 1fr 1fr; }
  .service-list { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .gallery-grid { grid-template-columns: repeat(2, 1fr); }
  .form-row { grid-template-columns: 1fr; }
  .whatsapp-float { width: 56px; height: 56px; bottom: 18px; right: 18px; }
  .whatsapp-float__tooltip { display: none; }
  .page-hero { padding: 130px 0 50px; }
  .topbar__group { display: none; }
  .process-flow { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 520px) {
  .features-strip { grid-template-columns: 1fr; }
  .values-grid { grid-template-columns: 1fr; }
  .gallery-grid { grid-template-columns: repeat(2, 1fr); }
  .container { padding: 0 18px; }
  .process-flow { grid-template-columns: 1fr 1fr; }
}