/* ==========================================================
   IMS DRONES — White/Lite Theme · Estilos globales
   Lite Version Web · 2026
   Paleta: fondo blanco, acentos azul IMS institucional
   ========================================================== */

/* GOOGLE FONTS */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&family=JetBrains+Mono:wght@400;700&display=swap');

/* RESET */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  background: #FFFFFF;
  color: #0B1E3D;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
a { text-decoration: none; color: inherit; }
ul { list-style: none; }
img { display: block; max-width: 100%; }

/* =========================================================
   VARIABLES — Paleta White/Lite IMS
   ========================================================= */
:root {
  /* Acento principal — Azul IMS institucional */
  --accent:         #1B4F9A;
  --accent-2:       #2D8CFF;
  --accent-dim:     rgba(27,79,154,0.07);
  --accent-border:  rgba(27,79,154,0.15);

  /* Fondos */
  --bg:             #FFFFFF;
  --bg-alt:         #F4F7FB;
  --bg-card:        #F8FAFD;
  --bg-dark:        #0B1E3D;
  --bg-dark-2:      #0D2450;

  /* Superficies — compatibilidad hacia atrás */
  --surface:        #F8FAFD;
  --surface-2:      #F4F7FB;

  /* Textos */
  --text-1:         #0B1E3D;
  --text-2:         #3A4F6E;
  --text-3:         #7A90AE;
  --text-inv:       rgba(255,255,255,0.9);

  /* Bordes */
  --border:         rgba(11,30,61,0.08);
  --border-2:       rgba(11,30,61,0.12);

  /* Legacy — mantener compatibilidad con HTML que usa --cyan */
  --cyan:           #1B4F9A;
  --cyan-dark:      #14397A;
  --cyan-dim:       rgba(27,79,154,0.07);
  --cyan-border:    rgba(27,79,154,0.15);
  --white:          #FFFFFF;
  --gray-400:       #3A4F6E;
  --gray-600:       #7A90AE;
  --gray-900:       #0B1E3D;
  --black:          #0B1E3D;

  /* Tipografía */
  --font:           'Inter', system-ui, sans-serif;
  --font-mono:      'JetBrains Mono', monospace;

  /* Layout */
  --max-w:          1280px;
  --transition:     0.2s ease;

  /* Sombras */
  --shadow-sm:      0 2px 12px rgba(11,30,61,0.06);
  --shadow-md:      0 8px 32px rgba(11,30,61,0.10);
  --shadow-lg:      0 16px 56px rgba(11,30,61,0.14);
  --shadow-accent:  0 0 32px rgba(27,79,154,0.15);
}

/* =========================================================
   CONTAINER
   ========================================================= */
.container {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 clamp(1.2rem, 4vw, 2.5rem);
}

/* =========================================================
   EYEBROW / LABEL
   ========================================================= */
.eyebrow {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent);
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 1.4rem;
}
.eyebrow::before { content: '//'; opacity: 0.5; }
.eyebrow--inv { color: rgba(255,255,255,0.55); }
.eyebrow--inv::before { opacity: 0.4; }

.badge {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--accent);
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
}
.badge::before { content: '// '; opacity: 0.6; }

/* =========================================================
   TÍTULOS
   ========================================================= */
.section-title {
  font-family: var(--font);
  font-size: clamp(2rem, 4.5vw, 3.8rem);
  font-weight: 800;
  line-height: 1.0;
  letter-spacing: -0.03em;
  color: var(--text-1);
}
.section-title--inv { color: #FFFFFF; }

.section-body {
  font-size: 1rem;
  line-height: 1.78;
  color: var(--text-2);
  margin-top: 1.2rem;
  max-width: 52ch;
}
.section-body--inv { color: rgba(255,255,255,0.65); }

/* =========================================================
   BOTONES
   ========================================================= */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.85rem 2rem;
  font-family: var(--font);
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  border: 2px solid transparent;
  border-radius: 0;
  cursor: pointer;
  transition: all var(--transition);
  white-space: nowrap;
  line-height: 1;
}

/* Primario — azul IMS sólido (aliasamos btn--cyan para compatibilidad) */
.btn--primary,
.btn--cyan {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
}
.btn--primary:hover,
.btn--cyan:hover {
  background: var(--cyan-dark);
  border-color: var(--cyan-dark);
}

/* Outline sobre fondo blanco */
.btn--outline-dark,
.btn--outline {
  background: transparent;
  color: var(--text-1);
  border-color: var(--border-2);
}
.btn--outline-dark:hover,
.btn--outline:hover {
  border-color: var(--accent);
  color: var(--accent);
}

/* Outline sobre fondo oscuro */
.btn--outline-light {
  background: transparent;
  color: #fff;
  border-color: rgba(255,255,255,0.4);
}
.btn--outline-light:hover {
  border-color: rgba(255,255,255,0.9);
  background: rgba(255,255,255,0.08);
}

.btn--sm { padding: 0.6rem 1.2rem; font-size: 0.74rem; letter-spacing: 0.07em; }
.btn--lg { padding: 1.05rem 2.4rem; font-size: 0.85rem; }

/* =========================================================
   SCROLL TRACKER
   ========================================================= */
.scroll-tracker {
  position: fixed;
  left: 1.8rem; top: 50%;
  transform: translateY(-50%);
  z-index: 900;
  display: flex; flex-direction: column; align-items: center; gap: 0.6rem;
  opacity: 0; transition: opacity 0.4s ease; pointer-events: none;
}
.scroll-tracker.visible { opacity: 1; }
.scroll-tracker__bar { width: 1px; height: 72px; background: var(--border-2); position: relative; }
.scroll-tracker__fill { position: absolute; top: 0; left: 0; width: 100%; background: var(--accent); transition: height 0.1s linear; height: 0%; }
.scroll-tracker__num { font-family: var(--font-mono); font-size: 0.62rem; font-weight: 700; letter-spacing: 0.12em; color: var(--text-3); }
@media (max-width: 1100px) { .scroll-tracker { display: none; } }

/* =========================================================
   NAVBAR — Transparente → Frosted Glass Blanco al hacer scroll
   ========================================================= */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  transition: background 0.4s ease, border-color 0.4s ease, box-shadow 0.4s ease;
}

/* Sobre hero/vídeo: texto blanco */
.site-header .navbar__menu a { color: rgba(255,255,255,0.88); }
.site-header .navbar__menu a:hover { color: #fff; }
.site-header .navbar__toggle span { background: #fff; }

/* Al hacer scroll: frosted glass blanco */
.site-header.scrolled {
  background: rgba(255,255,255,0.92);
  backdrop-filter: blur(22px) saturate(180%);
  -webkit-backdrop-filter: blur(22px) saturate(180%);
  border-bottom: 1px solid rgba(11,30,61,0.08);
  box-shadow: 0 4px 32px rgba(11,30,61,0.07);
}
.site-header.scrolled .navbar__menu a { color: rgba(11,30,61,0.65); }
.site-header.scrolled .navbar__menu a:hover { color: var(--text-1); }
.site-header.scrolled .navbar__toggle span { background: var(--text-1); }

/* En páginas interiores (sin hero vídeo) — forzar estado scrolled */
.site-header.no-hero {
  background: rgba(255,255,255,0.96);
  backdrop-filter: blur(22px) saturate(180%);
  border-bottom: 1px solid rgba(11,30,61,0.08);
  box-shadow: 0 2px 16px rgba(11,30,61,0.06);
}
.site-header.no-hero .navbar__menu a { color: rgba(11,30,61,0.65); }
.site-header.no-hero .navbar__menu a:hover { color: var(--text-1); }
.site-header.no-hero .navbar__toggle span { background: var(--text-1); }
.site-header.no-hero .nav-demo-link { color: rgba(11,30,61,0.55); }

.navbar {
  display: flex; align-items: center;
  height: 160px; gap: 0;
  transition: height 0.35s ease;
}
.site-header.scrolled .navbar { height: 82px; overflow: visible; }
.site-header.no-hero   .navbar { height: 82px; overflow: visible; }
.site-header.scrolled .navbar__logo { align-self: center; }
.site-header.no-hero   .navbar__logo { align-self: center; }

/* Logo */
.navbar__logo { display: flex; align-items: center; flex-shrink: 0; }
.navbar__logo img {
  height: 150px; width: auto; max-width: 500px; display: block;
  transition: height 0.35s ease;
}
.site-header.scrolled .navbar__logo img { height: 135px; }
.site-header.no-hero   .navbar__logo img { height: 135px; }

/* Logo split — dos capas con sombras diferenciadas (igual que index) */
.logo-split {
  position: relative;
  height: 150px;
  width: auto;
  display: flex;
  align-items: center;
  transition: height 0.35s ease;
}
.logo-split__ims {
  height: 150px; width: auto; max-width: 600px; display: block;
  transition: height 0.35s ease, filter 0.35s ease;
  clip-path: inset(0 57% 0 0);
  filter: drop-shadow(1px 1px 2px rgba(0,0,0,0.5));
}
.logo-split__drones {
  position: absolute; top: 0; left: 0;
  height: 150px; width: auto; max-width: 600px; display: block;
  transition: height 0.35s ease, filter 0.35s ease;
  clip-path: inset(0 0 0 40%);
  filter: drop-shadow(0 0 3px rgba(255,255,255,0.5));
}
.site-header.scrolled .logo-split        { height: 135px; }
.site-header.scrolled .logo-split__ims   { height: 135px; filter: none; }
.site-header.scrolled .logo-split__drones{ height: 135px; filter: none; }
.site-header.no-hero   .logo-split        { height: 135px; }
.site-header.no-hero   .logo-split__ims   { height: 135px; filter: none; }
.site-header.no-hero   .logo-split__drones{ height: 135px; filter: none; }

/* Logo swap */
.logo-swap { position: relative; display: inline-block; }
.logo-swap img { height: 100px; width: auto; display: block; transition: opacity 0.4s ease, height 0.35s ease; }
.logo-swap__white { position: absolute; top: 0; left: 0; opacity: 0; }
.logo-swap__color { opacity: 1; }
.site-header.scrolled .logo-swap__color { opacity: 1; }
.site-header.scrolled .logo-swap__white { opacity: 0; }
.site-header.scrolled .logo-swap img { height: 44px; }

.navbar__menu {
  display: flex; gap: 1rem; align-items: center;
  margin-left: auto; flex-shrink: 0;
}
.navbar__menu a {
  font-size: 0.84rem; font-weight: 700; letter-spacing: 0.06em;
  text-transform: uppercase; white-space: nowrap; transition: color var(--transition);
  display: flex; align-items: center;
}

.navbar__actions {
  display: flex; align-items: center; gap: 0.8rem; flex-shrink: 0; margin-left: 0.8rem;
}
.navbar__actions .btn--sm {
  padding: 0.5rem 0.95rem;
  font-size: 0.72rem;
  letter-spacing: 0.06em;
}
.nav-demo-link {
  font-size: 0.75rem; font-weight: 700; letter-spacing: 0.1em;
  text-transform: uppercase; color: rgba(255,255,255,0.7); transition: color var(--transition);
}
.nav-demo-link:hover { color: #fff; }

/* Language switcher */
.lang-switch {
  display: flex; align-items: center; gap: 0.3rem;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.72rem; font-weight: 700; letter-spacing: 0.08em;
  text-transform: uppercase; flex-shrink: 0;
}
.lang-switch__active {
  color: #fff;
}
.lang-switch__sep {
  color: rgba(255,255,255,0.3);
  font-weight: 400;
}
.lang-switch__btn {
  background: none; border: none; padding: 0; cursor: pointer;
  color: rgba(255,255,255,0.45); font-family: inherit; font-size: inherit;
  font-weight: inherit; letter-spacing: inherit; text-transform: inherit;
  transition: color 0.2s;
}
.lang-switch__btn:hover { color: #fff; }
@media (max-width: 900px) { .lang-switch { display: none; } }
.site-header.scrolled .lang-switch__active  { color: var(--text-1); }
.site-header.scrolled .lang-switch__sep     { color: rgba(11,30,61,0.25); }
.site-header.scrolled .lang-switch__btn     { color: rgba(11,30,61,0.4); }
.site-header.scrolled .lang-switch__btn:hover { color: var(--text-1); }
.site-header.no-hero .lang-switch__active   { color: var(--text-1); }
.site-header.no-hero .lang-switch__sep      { color: rgba(11,30,61,0.25); }
.site-header.no-hero .lang-switch__btn      { color: rgba(11,30,61,0.4); }
.site-header.no-hero .lang-switch__btn:hover { color: var(--text-1); }
.site-header.scrolled .nav-demo-link { color: rgba(11,30,61,0.55); }
.site-header.scrolled .nav-demo-link:hover { color: var(--text-1); }

/* MEGA MENU — blanco */
.nav-item { position: relative; }
.nav-item > a { display: flex; align-items: center; gap: 0.3rem; }
.nav-item > a::after {
  content: ''; display: inline-block; width: 5px; height: 5px;
  border-right: 1.5px solid currentColor; border-bottom: 1.5px solid currentColor;
  transform: rotate(45deg) translateY(-2px); transition: transform 0.2s; opacity: 0.5;
}
.nav-item:hover > a::after { transform: rotate(-135deg) translateY(-2px); opacity: 1; }
.nav-item:hover > a { color: #fff; }
.site-header.scrolled .nav-item:hover > a { color: var(--text-1); }
.site-header.no-hero .nav-item:hover > a { color: var(--text-1); }
.nav-item::after { content: ''; position: absolute; top: 100%; left: -20px; right: -20px; height: 20px; }

.mega-menu {
  position: absolute; top: 100%; left: 0;
  transform: translateY(6px);
  background: #FFFFFF;
  border: 1px solid var(--border);
  border-top: 2px solid var(--accent);
  padding: 1.2rem 1.6rem;
  display: grid; gap: 1.6rem;
  opacity: 0; pointer-events: none;
  transition: opacity 0.18s ease, transform 0.18s ease;
  z-index: 2000; white-space: nowrap;
  box-shadow: 0 8px 32px rgba(11,30,61,0.12);
}
.mega-menu--3col { grid-template-columns: repeat(3, 180px); }
.mega-menu--2col { grid-template-columns: repeat(2, 180px); }
.mega-menu--1col { grid-template-columns: 180px; }
.nav-item:hover .mega-menu,
.nav-item:focus-within .mega-menu { opacity: 1; pointer-events: all; transform: translateY(0); }

.mega-col__title {
  font-family: var(--font-mono); font-size: 0.65rem; font-weight: 700;
  letter-spacing: 0.18em; text-transform: uppercase;
  color: var(--accent); margin-bottom: 0.75rem; padding-bottom: 0.5rem;
  border-bottom: 1px solid rgba(11,30,61,0.1);
}
.mega-col ul { display: flex; flex-direction: column; gap: 0.5rem; }
.mega-col a {
  font-size: 0.88rem; font-weight: 500; color: var(--text-2) !important;
  transition: color 0.15s, padding-left 0.15s;
  display: block; text-transform: none; letter-spacing: 0; white-space: nowrap;
}
.mega-col a:hover { color: var(--accent) !important; padding-left: 6px; }

/* Mobile */
.navbar__toggle { display: none; flex-direction: column; gap: 5px; background: none; border: none; cursor: pointer; padding: 4px; }
.navbar__toggle span { display: block; width: 24px; height: 2px; transition: all 0.3s; }

.navbar__drawer {
  display: none; position: fixed; inset: 0;
  background: #fff; z-index: 999; padding: 5rem 2rem 2rem;
  flex-direction: column; gap: 0;
  transform: translateX(100%); transition: transform 0.35s ease;
}
.navbar__drawer.open { transform: translateX(0); }
.navbar__drawer a {
  font-size: 1.4rem; font-family: var(--font); font-weight: 800;
  color: var(--text-2); padding: 1.2rem 0;
  border-bottom: 1px solid var(--border);
  display: block; transition: color 0.2s; letter-spacing: -0.02em;
}
.navbar__drawer a:hover { color: var(--accent); }
.drawer-close {
  position: absolute; top: 1.5rem; right: 1.5rem;
  background: none; border: none; color: var(--text-3); font-size: 1.6rem; cursor: pointer;
}
.drawer-actions { margin-top: 2rem; display: flex; flex-direction: column; gap: 1rem; }

/* ── Drawer accordion groups ── */
.drawer-group { border-bottom: 1px solid var(--border); }
.drawer-group__toggle {
  display: flex; align-items: center; justify-content: space-between; width: 100%;
  padding: 1.2rem 0; background: none; border: none; cursor: pointer; text-align: left;
  font-size: 1.4rem; font-family: var(--font); font-weight: 800;
  color: var(--text-2); letter-spacing: -0.02em; transition: color 0.2s;
}
.drawer-group__toggle:hover { color: var(--accent); }
.drawer-group__arrow { font-size: 1rem; color: var(--text-3); transition: transform 0.22s; flex-shrink: 0; margin-left: 0.5rem; }
.drawer-group.open .drawer-group__arrow { transform: rotate(90deg); }
.drawer-group__body { display: none; margin: 0 -2rem; padding: 0 2rem 0.75rem; background: #f7faff; }
.drawer-group.open .drawer-group__body { display: block; }
.drawer-group__body a {
  font-size: 0.97rem !important; font-weight: 600 !important; padding: 0.6rem 0 !important;
  border-bottom: none !important; color: #374151 !important; letter-spacing: 0 !important;
}
.drawer-group__body a:hover { color: var(--accent) !important; background: none !important; }
.drawer-group__category {
  display: block; font-family: var(--font-mono); font-size: 0.6rem; font-weight: 700;
  letter-spacing: 0.1em; text-transform: uppercase; color: #9ca3af; padding: 0.75rem 0 0.2rem;
}
/* ── Drawer language switcher ── */
.drawer-lang {
  display: flex; align-items: center; justify-content: center; gap: 0.5rem;
  margin-top: 1rem; padding-top: 1rem; border-top: 1px solid var(--border);
}
.drawer-lang__label { font-size: 0.82rem; font-weight: 700; letter-spacing: 0.05em; color: #0B1E3D; }
.drawer-lang__sep { color: #d1d5db; }
.drawer-lang__btn {
  font-size: 0.82rem; font-weight: 700; letter-spacing: 0.05em; color: #6b7280;
  background: none; border: none; cursor: pointer; padding: 0; font-family: var(--font);
  transition: color 0.2s;
}
.drawer-lang__btn:hover { color: var(--accent); }

@media (max-width: 900px) {
  .navbar__menu { display: none; }
  .navbar__actions .btn, .nav-demo-link { display: none; }
  .navbar__toggle { display: flex; }
  .navbar__drawer { display: flex; }
}

/* =========================================================
   PAGE HERO — Fondo azul IMS profundo con textura
   ========================================================= */
.page-hero {
  /* Altura fija para que "tercio inferior" tenga sentido */
  height: clamp(440px, 54vw, 600px);
  padding: 0;
  background: var(--bg-dark);
  border-bottom: 1px solid rgba(255,255,255,0.06);
  position: relative; overflow: hidden;
}
.page-hero::before {
  content: ''; position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(45,140,255,0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(45,140,255,0.05) 1px, transparent 1px);
  background-size: 48px 48px;
}
.page-hero::after {
  content: ''; position: absolute;
  top: -20%; left: -10%; width: 50%; height: 80%;
  background: radial-gradient(ellipse, rgba(27,79,154,0.2) 0%, transparent 65%);
}
.page-hero__inner { position: relative; z-index: 1; }
/* Contenedor anclado al tercio inferior — la alineación lateral no cambia */
.page-hero > .container {
  position: absolute;
  bottom: 2rem;
  left: 0; right: 0;
  z-index: 1;
}
.page-hero__tag {
  display: inline-flex; gap: 0.5rem;
  font-family: var(--font-mono); font-size: 0.7rem; font-weight: 700;
  letter-spacing: 0.14em; text-transform: uppercase;
  color: rgba(255,255,255,0.45); margin-bottom: 0.75rem;
}
.page-hero h1 {
  font-family: var(--font); font-size: clamp(2.5rem, 5vw, 5rem);
  font-weight: 900; line-height: 0.95; letter-spacing: -0.04em;
  color: #FFFFFF; margin-bottom: 1.5rem;
}
.page-hero h1 em {
  font-style: normal;
  color: transparent;
  -webkit-text-stroke: 1px rgba(255,255,255,0.92);
}
.page-hero__lead {
  font-size: clamp(1.2rem, 1.8vw, 1.55rem); line-height: 1.6;
  color: rgba(255,255,255,0.75); max-width: 52ch; margin-bottom: 2.5rem;
}
.page-hero__ctas { display: flex; gap: 1rem; flex-wrap: wrap; }

/* ---------------------------------------------------------
   Page hero COMPACTO — para páginas secundarias
   (contacto, blog/noticias, casos-de-uso, etc.)
   Altura automática: mínima necesaria para el contenido.
   El padding-top (8.5rem ≈ 136px) despeja el logo de la
   nav fija (~135px) para que el tag siempre sea visible.
   position:relative anula el absolute del selector base;
   el container mantiene ancho completo por ser bloque normal.
   --------------------------------------------------------- */
.page-hero--compact {
  height: auto;
}
.page-hero--compact > .container {
  position: relative;
  bottom: auto;
  padding-top: 6.5rem;    /* 104px — despeja nav blanca de 82px */
  padding-bottom: 2rem;
}
.page-hero--compact .page-hero__tag {
  margin-bottom: 0.5rem;
}
.page-hero--compact h1 {
  font-size: clamp(2.5rem, 5vw, 5rem);   /* igual que .page-hero h1 */
  margin-bottom: 0.4rem;
}
.page-hero--compact .page-hero__lead {
  font-size: clamp(0.9rem, 1.2vw, 1.05rem);
  margin-bottom: 0;
}

/* ---------------------------------------------------------
   Page hero con imagen fotográfica de fondo
   --------------------------------------------------------- */
.page-hero__bg-img {
  position: absolute; inset: 0; z-index: 0;
}
.page-hero__bg-img img {
  width: 100%; height: 100%;
  object-fit: cover; object-position: center;
  display: block;
  opacity: 1;
}
/* Filtro casi transparente — deja ver la foto con claridad */
.page-hero__bg-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(
    135deg,
    rgba(11,30,61,0.62) 0%,
    rgba(11,30,61,0.40) 55%,
    rgba(27,79,154,0.28) 100%
  );
}

/* ---------------------------------------------------------
   Franja visual de caso de uso — imagen destacada full-width
   --------------------------------------------------------- */
.usecase-visual {
  padding: 0; overflow: hidden; position: relative;
  height: clamp(260px, 32vw, 460px);
  background: var(--bg-dark);
  border-top: 1px solid rgba(45,140,255,0.12);
  border-bottom: 1px solid rgba(45,140,255,0.12);
}
.usecase-visual img {
  width: 100%; height: 100%;
  object-fit: cover; object-position: center;
  display: block;
  transition: transform 0.8s ease;
}
.usecase-visual:hover img { transform: scale(1.02); }
.usecase-visual__overlay {
  position: absolute; inset: 0;
  background: linear-gradient(
    to right,
    rgba(11,30,61,0.65) 0%,
    rgba(11,30,61,0.10) 50%,
    rgba(11,30,61,0.00) 100%
  );
  pointer-events: none;
}
.usecase-visual__label {
  position: absolute; bottom: 1.5rem; left: clamp(2rem, 5vw, 5rem);
  font-family: var(--font-mono); font-size: 0.65rem;
  letter-spacing: 0.16em; text-transform: uppercase;
  color: rgba(255,255,255,0.55);
  display: flex; align-items: center; gap: 0.6rem;
  z-index: 2;
}
.usecase-visual__label::before {
  content: '';
  width: 6px; height: 6px; border-radius: 50%;
  background: #2D8CFF; flex-shrink: 0;
  box-shadow: 0 0 10px rgba(45,140,255,0.7);
  animation: blink 2s ease-in-out infinite;
}

/* ---------------------------------------------------------
   Solution card con imagen — sección soluciones index.html
   --------------------------------------------------------- */
.solution-card__img {
  margin: -2.5rem -2.5rem 1.75rem;
  /* Altura fija absoluta — misma en las 4 tarjetas sin excepción */
  height: 280px;
  overflow: hidden;
  position: relative;
  flex-shrink: 0;
  flex-grow: 0;
}
.solution-card__img img {
  /* width + height explícitos: objeto-fit recorta y centra sin distorsión */
  width: 100%;
  height: 280px;
  object-fit: cover;
  object-position: center center;
  display: block;
  transition: transform 0.55s ease;
  filter: saturate(0.9) brightness(0.95);
}
.solution-card:hover .solution-card__img img {
  transform: scale(1.05);
  filter: saturate(1.05) brightness(1);
}
.solution-card__img-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(
    180deg,
    rgba(255,255,255,0) 40%,
    rgba(255,255,255,0.18) 100%
  );
  pointer-events: none;
}
.solution-card__img-badge {
  position: absolute; top: 0.9rem; left: 0.9rem;
  font-family: var(--font-mono); font-size: 0.6rem; font-weight: 700;
  letter-spacing: 0.14em; text-transform: uppercase;
  color: rgba(255,255,255,0.9);
  background: rgba(11,30,61,0.72);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(45,140,255,0.35);
  padding: 0.22rem 0.6rem; border-radius: 2px;
  z-index: 2;
}

/* =========================================================
   SECCIONES
   ========================================================= */
section { padding: clamp(4rem, 8vw, 7rem) 0; }
.section-hr { border: none; border-top: 1px solid var(--border); }

/* Alternancia blanco / gris suave en secciones de contenido */
section[data-section] { background: var(--bg); }
section[data-section]:nth-child(even) { background: var(--bg-alt); }

/* =========================================================
   CONTENT GRID
   ========================================================= */
.content-grid {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: clamp(3rem, 6vw, 6rem); align-items: start;
}
@media (max-width: 768px) { .content-grid { grid-template-columns: 1fr; } }

/* =========================================================
   SENSOR / PRODUCT ITEM
   ========================================================= */
.sensor-list { display: flex; flex-direction: column; gap: 0; }
.sensor-item {
  display: grid; grid-template-columns: 1.1fr 1fr;
  background: var(--bg);
  border: 1px solid var(--border); border-top: none;
  transition: border-color 0.4s ease, box-shadow 0.3s ease;
}
.sensor-item:first-child { border-top: 1px solid var(--border); }
.sensor-item:hover { border-color: var(--accent-border); box-shadow: var(--shadow-sm); }

.sensor-item__visual {
  background: var(--bg-alt); border-right: 1px solid var(--border);
  min-height: 320px; padding: 2.5rem;
  position: relative; overflow: hidden;
  display: flex; align-items: center; justify-content: center;
}
.sensor-item__visual img,
.sensor-item__visual svg { max-width: 100%; max-height: 240px; object-fit: contain; }
.sensor-item__visual-label {
  position: absolute; bottom: 1rem; left: 1rem;
  font-family: var(--font-mono); font-size: 0.65rem;
  letter-spacing: 0.1em; color: var(--text-3); text-transform: uppercase;
}
.sensor-item__content { padding: 2.5rem; display: flex; flex-direction: column; justify-content: center; }
.sensor-item__badge {
  font-family: var(--font-mono); font-size: 0.72rem; font-weight: 700;
  letter-spacing: 0.1em; color: var(--accent); margin-bottom: 0.85rem; opacity: 0.9;
}
.sensor-item__badge::before { content: '// '; opacity: 0.5; }
.sensor-item__title {
  font-family: var(--font); font-size: clamp(1.4rem, 2.5vw, 2rem);
  font-weight: 800; letter-spacing: -0.03em; line-height: 1.05;
  color: var(--text-1); margin-bottom: 0.85rem;
}
.sensor-item__desc {
  font-size: 0.9rem; line-height: 1.7; color: var(--text-2); margin-bottom: 1.75rem; max-width: 44ch;
}

/* Tabla de especificaciones */
.spec-table {
  width: 100%; border-collapse: collapse;
  font-family: var(--font-mono); font-size: 0.8rem; margin-bottom: 2rem;
}
.spec-table tr { border-bottom: 1px solid var(--border); }
.spec-table tr:last-child { border-bottom: none; }
.spec-table td { padding: 0.6rem 0; vertical-align: middle; }
.spec-label { color: var(--text-3); width: 50%; }
.spec-value { color: var(--accent); text-align: right; font-weight: 700; }
.sensor-item__cta {
  display: inline-flex; align-items: center; gap: 0.5rem;
  font-size: 0.75rem; font-weight: 700; letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--text-1); transition: color 0.2s, gap 0.2s;
}
.sensor-item__cta:hover { color: var(--accent); gap: 0.75rem; }

@media (max-width: 768px) {
  .sensor-item { grid-template-columns: 1fr; }
  .sensor-item__visual { min-height: 200px; border-right: none; border-bottom: 1px solid var(--border); }
}

/* =========================================================
   SPECS PANEL
   ========================================================= */
.specs-panel {
  background: var(--bg); border: 1px solid var(--border);
  box-shadow: var(--shadow-sm); position: sticky; top: 5rem;
}
.specs-panel__header {
  border-bottom: 1px solid var(--border); padding: 1.2rem 1.5rem;
  display: flex; align-items: center; justify-content: space-between;
  background: var(--bg-alt);
}
.specs-panel__title {
  font-family: var(--font-mono); font-size: 0.72rem; font-weight: 700;
  letter-spacing: 0.14em; text-transform: uppercase; color: var(--text-3);
}
.specs-panel__status {
  display: flex; align-items: center; gap: 0.5rem;
  font-family: var(--font-mono); font-size: 0.68rem; font-weight: 700;
  letter-spacing: 0.1em; text-transform: uppercase; color: var(--accent);
}
.status-dot { width: 6px; height: 6px; border-radius: 50%; background: #4ADE80; animation: blink 2s infinite; }
@keyframes blink { 0%,100% { opacity: 1; } 50% { opacity: 0.3; } }
.spec-row {
  display: flex; justify-content: space-between; align-items: center;
  padding: 0.9rem 1.5rem; border-bottom: 1px solid var(--border);
}
.spec-row:last-child { border-bottom: none; }
.spec-row__label { font-family: var(--font-mono); font-size: 0.8rem; color: var(--text-3); }
.spec-row__value { font-family: var(--font-mono); font-size: 0.85rem; font-weight: 700; color: var(--text-1); }
.spec-row__value.cyan,
.spec-row__value.accent { color: var(--accent); }

/* =========================================================
   FEATURE LIST
   ========================================================= */
.feature-list { display: flex; flex-direction: column; }
.feature-item { display: flex; gap: 1.5rem; padding: 1.75rem 0; border-bottom: 1px solid var(--border); }
.feature-item:first-child { border-top: 1px solid var(--border); }
.feature-item__num {
  font-family: var(--font-mono); font-size: 0.68rem; font-weight: 700;
  letter-spacing: 0.1em; color: var(--accent); min-width: 2rem; padding-top: 0.15rem;
}
.feature-item h4 {
  font-family: var(--font); font-size: 1rem; font-weight: 800;
  color: var(--text-1); margin-bottom: 0.5rem; letter-spacing: -0.01em;
}
.feature-item p { font-size: 0.87rem; line-height: 1.65; color: var(--text-2); }

/* =========================================================
   CARDS GRID
   ========================================================= */
.cards-grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1px; background: var(--border);
}
.card { background: var(--bg); padding: 2.5rem; transition: background 0.2s, box-shadow 0.2s; }
.card:hover { background: var(--bg-alt); box-shadow: var(--shadow-sm); }
.card__num {
  font-family: var(--font-mono); font-size: 0.68rem; font-weight: 700;
  letter-spacing: 0.14em; color: var(--text-3); margin-bottom: 0.75rem;
}
.card h3 {
  font-family: var(--font); font-size: 1.3rem; font-weight: 800;
  letter-spacing: -0.02em; color: var(--text-1); line-height: 1.1; margin-bottom: 0.85rem;
}
.card p { font-size: 0.9rem; line-height: 1.7; color: var(--text-2); margin-bottom: 1.25rem; }
.card__tags { display: flex; gap: 0.5rem; flex-wrap: wrap; margin-bottom: 1rem; }
.tag {
  font-family: var(--font-mono); font-size: 0.66rem; font-weight: 700;
  letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--accent); border: 1px solid var(--accent-border);
  padding: 0.25rem 0.65rem; border-radius: 2px;
}
.card__link {
  font-size: 0.75rem; font-weight: 700; letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--accent); display: inline-flex; align-items: center; gap: 0.4rem; transition: gap 0.2s;
}
.card__link:hover { gap: 0.65rem; }

/* =========================================================
   STATS BAR — Azul IMS sólido
   ========================================================= */
.stats-bar { background: var(--accent); padding: 4rem 0; }
.stats-bar__grid { display: grid; grid-template-columns: repeat(4, 1fr); }
.kpi { padding: 0 2rem; border-right: 1px solid rgba(255,255,255,0.15); text-align: center; }
.kpi:first-child { padding-left: 0; }
.kpi:last-child { border-right: none; padding-right: 0; }
.kpi__value {
  display: flex; align-items: baseline; justify-content: center; gap: 0.1em;
  line-height: 1;
}
.kpi__number {
  font-family: var(--font); font-size: clamp(2.8rem, 4.5vw, 4.5rem);
  font-weight: 900; color: #fff; line-height: 1; display: inline-block; letter-spacing: -0.04em;
}
.kpi__unit { font-family: var(--font); font-size: clamp(1.5rem, 2.5vw, 2.5rem); font-weight: 900; color: #fff; display: inline-block; }
.kpi__label {
  display: block; font-family: var(--font-mono); font-size: 0.72rem; font-weight: 700;
  color: rgba(255,255,255,0.55); text-transform: uppercase; letter-spacing: 0.1em; margin-top: 0.5rem;
}
@media (max-width: 640px) {
  .stats-bar__grid { grid-template-columns: 1fr 1fr; gap: 2rem; }
  .kpi { padding: 0; border-right: none; }
}

/* =========================================================
   CTA STRIP — Azul IMS profundo
   ========================================================= */
.cta-strip { background: var(--bg-dark); padding: 7rem 0; }
.cta-strip__inner { max-width: 820px; }
.cta-strip h2 {
  font-family: var(--font); font-size: clamp(2.5rem, 5vw, 4.8rem);
  font-weight: 900; color: #fff; letter-spacing: -0.04em; line-height: 0.95; margin-bottom: 1.5rem;
}
.cta-strip h2 em { font-style: normal; color: var(--accent-2); }
.cta-strip p { font-size: 1rem; color: rgba(255,255,255,0.55); max-width: 50ch; line-height: 1.7; margin-bottom: 3rem; }
.cta-strip__actions { display: flex; gap: 1rem; flex-wrap: wrap; }

/* =========================================================
   FOOTER — Azul oscuro IMS
   ========================================================= */
.site-footer { background: var(--bg-dark); border-top: 1px solid rgba(255,255,255,0.06); padding-top: 5rem; }
.footer__top {
  display: flex; align-items: center; justify-content: space-between;
  padding-bottom: 3rem; border-bottom: 1px solid rgba(255,255,255,0.07); margin-bottom: 3.5rem;
}
.footer__social { display: flex; gap: 1rem; }
.footer__social a {
  width: 36px; height: 36px; border: 1px solid rgba(255,255,255,0.12);
  display: flex; align-items: center; justify-content: center;
  transition: all 0.2s; border-radius: 2px;
}
.footer__social a:hover { border-color: rgba(255,255,255,0.35); background: rgba(255,255,255,0.06); }
.footer__social svg { width: 15px; height: 15px; stroke: rgba(255,255,255,0.72); fill: none; stroke-width: 1.5; }
.footer__grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 3rem; margin-bottom: 4rem; }
.footer__desc { font-size: 0.85rem; color: #fff; line-height: 1.7; margin-top: 1rem; max-width: 28ch; }
.footer__col h4 {
  font-family: var(--font-mono); font-size: 0.68rem; font-weight: 700;
  letter-spacing: 0.14em; text-transform: uppercase; color: rgba(255,255,255,0.72); margin-bottom: 1.5rem;
}
.footer__col ul { display: flex; flex-direction: column; gap: 0.85rem; }
.footer__col a { font-size: 0.87rem; color: #fff; transition: color 0.2s, text-decoration 0.2s; }
.footer__col a:hover { color: #fff; text-decoration: underline; text-underline-offset: 3px; }
.footer__bottom {
  border-top: 1px solid rgba(255,255,255,0.10); padding: 1.5rem 0;
  display: flex; align-items: center; justify-content: space-between; gap: 1rem; flex-wrap: wrap;
}
.footer__copy { font-family: var(--font-mono); font-size: 0.78rem; color: rgba(255,255,255,0.72); }
.footer__legal { display: flex; gap: 1.5rem; }
.footer__legal a { font-size: 0.75rem; color: #fff; transition: color 0.2s; }
.footer__legal a:hover { color: #fff; text-decoration: underline; text-underline-offset: 3px; }
@media (max-width: 900px) {
  .footer__grid { grid-template-columns: 1fr 1fr; }
  .footer__top { flex-direction: column; gap: 1.5rem; align-items: flex-start; }
}
@media (max-width: 560px) {
  .footer__grid { grid-template-columns: 1fr; }
  .footer__bottom { flex-direction: column; align-items: flex-start; }
}

/* =========================================================
   REVEAL ON SCROLL
   ========================================================= */
.reveal { opacity: 0; transform: translateY(20px); transition: opacity 0.6s ease, transform 0.6s ease; }
.reveal.visible { opacity: 1; transform: translateY(0); }
.reveal:nth-child(2) { transition-delay: 0.08s; }
.reveal:nth-child(3) { transition-delay: 0.16s; }
.reveal:nth-child(4) { transition-delay: 0.24s; }

/* =========================================================
   BLOG / ARTÍCULO
   ========================================================= */
.article-body { max-width: 72ch; }
.article-body p { font-size: 1rem; line-height: 1.85; color: var(--text-2); margin-bottom: 1.5rem; }
.article-body h2 {
  font-family: var(--font); font-size: 1.6rem; font-weight: 800;
  color: var(--text-1); letter-spacing: -0.02em; margin: 2.5rem 0 1rem;
}
.article-body h3 {
  font-family: var(--font); font-size: 1.2rem; font-weight: 700;
  color: var(--text-1); margin: 2rem 0 0.75rem;
}
.article-body ul { margin: 0 0 1.5rem 1.2rem; }
.article-body ul li { color: var(--text-2); font-size: 1rem; line-height: 1.75; margin-bottom: 0.5rem; }
.article-body ul li::marker { color: var(--accent); }

/* =========================================================
   FORMULARIO
   ========================================================= */
.form-group { display: flex; flex-direction: column; gap: 0.5rem; margin-bottom: 1.5rem; }
.form-group label {
  font-family: var(--font-mono); font-size: 0.72rem; font-weight: 700;
  letter-spacing: 0.12em; text-transform: uppercase; color: var(--text-3);
}
.form-group input,
.form-group select,
.form-group textarea {
  background: var(--bg); border: 1px solid var(--border-2); color: var(--text-1);
  padding: 0.85rem 1rem; font-family: var(--font); font-size: 0.9rem;
  outline: none; transition: border-color 0.2s; border-radius: 0; width: 100%; -webkit-appearance: none;
}
/* Excepción: checkboxes y radio — no alterar apariencia nativa */
.form-group input[type="checkbox"],
.form-group input[type="radio"] {
  width: auto;
  -webkit-appearance: auto;
  appearance: auto;
  padding: 0;
  border: none;
  background: transparent;
  min-width: 18px;
  min-height: 18px;
  cursor: pointer;
  flex-shrink: 0;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus { border-color: var(--accent); }
.form-group textarea { min-height: 140px; resize: vertical; }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 0 1.5rem; }
@media (max-width: 640px) { .form-grid { grid-template-columns: 1fr; } }

/* =========================================================
   SOLUTION CARD
   ========================================================= */
.solution-card {
  background: var(--bg); padding: 2.5rem; border: 1px solid var(--border);
  transition: background 0.2s, box-shadow 0.2s;
  display: flex; flex-direction: column; gap: 1rem;
}
.solution-card:hover { background: var(--bg-alt); box-shadow: var(--shadow-sm); }
.solution-card__num {
  font-family: var(--font-mono); font-size: 0.68rem; font-weight: 700;
  letter-spacing: 0.14em; color: var(--text-3);
}
.solution-card h3 {
  font-family: var(--font); font-size: 1.3rem; font-weight: 800;
  letter-spacing: -0.02em; color: var(--text-1); line-height: 1.1;
}
.solution-card p { font-size: 0.92rem; line-height: 1.7; color: var(--text-2); flex: 1; }
.solution-card__tags { display: flex; gap: 0.5rem; flex-wrap: wrap; }
.solution-card__arrow {
  display: inline-flex; align-items: center; gap: 0.5rem;
  font-family: var(--font-mono); font-size: 0.75rem; font-weight: 700;
  letter-spacing: 0.08em; text-transform: uppercase;
  color: var(--accent); transition: gap 0.2s;
}
.solution-card__arrow:hover { gap: 0.75rem; }

/* =========================================================
   DEMO / VÍDEO SECTION
   ========================================================= */
.demo-section { position: relative; background: #000; padding: 0; overflow: hidden; }
.demo-section video { width: 100%; height: 60vh; object-fit: cover; display: block; opacity: 0.9; }
.demo-section::before {
  content: ''; position: absolute; inset: 0; z-index: 1; pointer-events: none;
  background: linear-gradient(to bottom, rgba(11,30,61,0.5) 0%, transparent 25%, transparent 65%, rgba(11,30,61,0.65) 100%);
}
.demo-section__hud {
  position: absolute; bottom: 0; left: 0; right: 0; z-index: 2;
  display: flex; align-items: flex-end; justify-content: space-between;
  padding: 2.5rem clamp(1.5rem, 5vw, 4rem) 2rem; gap: 2rem; flex-wrap: wrap;
}
.demo-section__label {
  font-family: var(--font-mono); font-size: 0.7rem;
  color: rgba(255,255,255,0.5); letter-spacing: 0.18em; text-transform: uppercase;
}
.demo-section__title {
  font-size: clamp(1.5rem, 3.5vw, 2.6rem); font-weight: 900;
  color: #fff; letter-spacing: -0.03em; line-height: 1.1;
}
.demo-chip {
  display: inline-flex; align-items: center; gap: 0.6rem;
  background: rgba(255,255,255,0.10); backdrop-filter: blur(12px);
  border: 1px solid rgba(255,255,255,0.18); border-radius: 4px;
  padding: 0.6rem 1.2rem; font-family: var(--font-mono);
  font-size: 0.68rem; font-weight: 700; letter-spacing: 0.14em;
  text-transform: uppercase; color: rgba(255,255,255,0.75);
}
.demo-chip-dot { width: 6px; height: 6px; border-radius: 50%; background: #4ADE80; animation: blink 2s infinite; }

/* =========================================================
   PAGE HERO — Responsive móvil (≤ 900px)
   En escritorio el contenido va anclado al tercio inferior
   (position:absolute; bottom:2rem). En móvil el navbar fijo
   mide 160px; con el contenido anclado al fondo y el h1
   grande, el texto sube hasta solaparse con el logo.
   Solución: reposicionar desde arriba con padding suficiente.
   ========================================================= */
@media (max-width: 900px) {
  /* Hero principal: altura auto para que el contenido respire */
  .page-hero {
    height: auto;
  }

  /* Contenedor: abandona absolute/bottom, fluye normalmente */
  .page-hero > .container {
    position: relative;
    bottom: auto;
    padding-top: 11rem;     /* 176 px — despeja navbar fija de 160 px */
    padding-bottom: 2.5rem;
  }

  /* H1 un poco más compacto en móvil */
  .page-hero h1 {
    font-size: clamp(2rem, 10vw, 3.2rem);
    line-height: 1.0;
    margin-bottom: 1rem;
  }

  /* Lead: tamaño base legible en móvil */
  .page-hero__lead {
    font-size: 1rem;
    line-height: 1.65;
    margin-bottom: 1.5rem;
  }
}