/* ==========================================================================
   GenStock — Landing page
   Gestión de stock técnico-industrial
   Paleta de marca: grafito #0B1622 · azul #0F3A5A · slate #526475
                    blanco #F7FAFC · naranja seguridad #FF7A1A
   ========================================================================== */

:root {
  /* Color */
  --bg:            #ffffff;
  --bg-alt:        #f3f5f7;
  --bg-tint:       #eef3f7;
  --bg-dark:       #0B1622;
  --slate:         #26303a;
  --slate-soft:    #526475;
  --slate-faint:   #8d97a2;
  --blue:          #0F3A5A;
  --blue-dark:     #0A2B44;
  --blue-soft:     #2E6089;
  --blue-tint:     #e9f0f6;

  /* Naranja seguridad. #FF7A1A es el acento puro de marca: se usa en detalles
     y sobre fondo oscuro (7:1). Sobre blanco no alcanza contraste accesible,
     así que texto e íconos usan --orange-ink y los botones --orange-cta. */
  --orange:        #FF7A1A;
  --orange-ink:    #B8480A;
  --orange-cta:    #C9530A;
  --orange-dark:   #A8440A;
  --orange-tint:   #fdeee3;

  --green:         #1f7a52;
  --green-tint:    #e6f4ed;
  --red:           #b3261e;
  --red-tint:      #fbeceb;
  --border:        #dbe1e6;
  --border-soft:   #e9edf1;

  /* Tipografía */
  --font-display: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: 'IBM Plex Mono', 'Courier New', monospace;

  /* Layout */
  --maxw: 1200px;
  --radius: 10px;
  --radius-sm: 6px;
  --rack-w: 46px;
  --shadow-xs: 0 1px 2px rgba(26, 33, 40, 0.05);
  --shadow-sm: 0 2px 8px rgba(26, 33, 40, 0.06);
  --shadow-md: 0 10px 28px rgba(26, 33, 40, 0.10);
  --shadow-lg: 0 20px 48px rgba(26, 33, 40, 0.14);
}

/* ---------- base ---------- */
* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 92px; }
body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--slate);
  background: var(--bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
img, svg { max-width: 100%; display: block; }
/* Los atributos width/height del HTML reservan espacio (evitan layout shift),
   pero el alto siempre lo decide la proporción real: nunca deformar. */
img { height: auto; }
.pcard--photo img, .demo__bg img, .band-photo img { height: 100%; }
figure { margin: 0; }
a { color: inherit; text-decoration: none; }
ul { margin: 0; padding: 0; list-style: none; }
h1, h2, h3, h4 { margin: 0; font-family: var(--font-display); font-weight: 700; letter-spacing: -0.015em; }
h1, h2 { font-weight: 800; letter-spacing: -0.025em; }
p { margin: 0; }
button { font-family: inherit; cursor: pointer; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: 0.001ms !important; transition-duration: 0.001ms !important; }
}
:focus-visible { outline: 2px solid var(--orange-cta); outline-offset: 3px; border-radius: 3px; }

.wrap { max-width: var(--maxw); margin: 0 auto; padding: 0 34px; }

/* ---------- tipografía compartida ---------- */
.eyebrow {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--orange-ink);
  display: inline-flex;
  align-items: center;
  gap: 9px;
}
.eyebrow::before { content: ""; width: 20px; height: 2px; background: var(--orange-ink); }
.eyebrow--blue { color: var(--blue); }
.eyebrow--blue::before { background: var(--blue); }
.solution .eyebrow, .demo .eyebrow, .contact-aside .eyebrow, .pcard--wide .eyebrow { color: var(--orange); }
.solution .eyebrow::before, .contact-aside .eyebrow::before { background: var(--orange); }

.section-title {
  font-size: clamp(26px, 2.7vw, 36px);
  line-height: 1.12;
  color: var(--slate);
  max-width: 800px;
  margin-top: 16px;
}
.section-lead {
  font-size: 16.5px;
  color: var(--slate-soft);
  max-width: 660px;
  margin-top: 16px;
}
.section-head { margin-bottom: 42px; }

/* ---------- ritmo de secciones (compacto) ---------- */
.section { padding: 82px 0; position: relative; }
.section--tight { padding: 62px 0; }
.section--alt { background: var(--bg-alt); }
.section--tinted { background: linear-gradient(180deg, var(--bg-tint) 0%, #ffffff 100%); }

/* grilla industrial muy suave */
.section--grid::before {
  content: "";
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(15,58,90,0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(15,58,90,0.05) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(ellipse 80% 60% at 50% 0%, #000 20%, transparent 75%);
  -webkit-mask-image: radial-gradient(ellipse 80% 60% at 50% 0%, #000 20%, transparent 75%);
  pointer-events: none;
}
.section--grid > .wrap { position: relative; z-index: 1; }

/* cinta de seguridad — motivo de identidad, con moderación */
.hazard-divider {
  height: 5px;
  background: repeating-linear-gradient(-45deg,
    var(--orange) 0px, var(--orange) 13px, var(--slate) 13px, var(--slate) 26px);
}

/* ---------- botones ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  gap: 9px;
  padding: 13px 26px;
  border-radius: 8px;
  font-weight: 600;
  font-size: 15px;
  border: 1.5px solid transparent;
  transition: transform 0.15s ease, background 0.15s ease, border-color 0.15s ease, box-shadow 0.18s ease;
  white-space: nowrap;
}
.btn svg { width: 17px; height: 17px; flex-shrink: 0; }
.btn:active { transform: translateY(1px); }
.btn--primary { background: var(--orange-cta); color: #fff; box-shadow: 0 4px 14px rgba(201,83,10,0.26); }
.btn--primary:hover { background: var(--orange-dark); box-shadow: 0 6px 20px rgba(201,83,10,0.32); }
.btn--ghost { background: #fff; color: var(--slate); border-color: var(--border); }
.btn--ghost:hover { border-color: var(--slate); box-shadow: var(--shadow-sm); }
.btn--blue { background: var(--blue); color: #fff; }
.btn--blue:hover { background: var(--blue-dark); }
.btn--on-dark { background: transparent; color: #fff; border-color: rgba(255,255,255,0.4); }
.btn--on-dark:hover { border-color: #fff; background: rgba(255,255,255,0.08); }
.btn--sm { padding: 10px 18px; font-size: 14px; }

/* ---------- reveal ---------- */
.reveal { opacity: 0; transform: translateY(18px); transition: opacity 0.55s ease, transform 0.55s ease; }
.reveal.is-visible { opacity: 1; transform: none; }
.reveal[data-delay="1"] { transition-delay: 0.07s; }
.reveal[data-delay="2"] { transition-delay: 0.14s; }
.reveal[data-delay="3"] { transition-delay: 0.21s; }

/* ==========================================================================
   HEADER
   ========================================================================== */
.site-header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(255,255,255,0.94);
  backdrop-filter: saturate(180%) blur(10px);
  border-bottom: 1px solid transparent;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}
.site-header.is-scrolled { border-color: var(--border); box-shadow: var(--shadow-xs); }
.site-header .wrap { display: flex; align-items: center; justify-content: space-between; gap: 20px; height: 74px; }

.brand { display: flex; align-items: center; flex-shrink: 0; }
/* Logo horizontal: 148px de ancho (rango de marca 140-180). Asset intacto. */
.brand-logo { width: 148px; height: auto; }

.main-nav ul { display: flex; gap: 24px; }
.main-nav a {
  font-size: 14.5px; font-weight: 500; color: var(--slate-soft);
  padding: 7px 2px; border-bottom: 2px solid transparent;
  transition: color 0.15s ease, border-color 0.15s ease;
}
.main-nav a:hover { color: var(--slate); border-color: var(--orange-cta); }

.header-actions { display: flex; align-items: center; gap: 10px; }

.nav-toggle { display: none; background: none; border: none; width: 42px; height: 42px; position: relative; }
.nav-toggle span,
.nav-toggle span::before,
.nav-toggle span::after {
  content: ""; position: absolute; left: 10px; right: 10px; height: 2px;
  background: var(--slate); transition: transform 0.2s ease, opacity 0.2s ease;
}
.nav-toggle span { top: 20px; }
.nav-toggle span::before { top: -7px; }
.nav-toggle span::after { top: 7px; }
.nav-toggle[aria-expanded="true"] span { background: transparent; }
.nav-toggle[aria-expanded="true"] span::before { transform: translateY(7px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span::after { transform: translateY(-7px) rotate(-45deg); }

/* ==========================================================================
   RACK LATERAL — navegación tipo estantería técnica
   Rail angosto fijo a la derecha. Solo desde 1200px: por debajo no hay
   margen suficiente junto al contenedor y estorbaría.
   ========================================================================== */
.rack {
  position: fixed;
  top: 50%; right: 14px;
  transform: translateY(-50%);
  z-index: 90;
  display: none;
  padding: 6px 5px;
  border-radius: 11px;
  /* En reposo el rack casi desaparece: es una guía, no un elemento de la
     página. Se afirma al acercar el mouse o al navegar con teclado. */
  background: rgba(255,255,255,0.55);
  backdrop-filter: saturate(160%) blur(6px);
  border: 1px solid rgba(219,225,230,0.7);
  box-shadow: none;
  opacity: 0.62;
  transition: opacity 0.22s ease, background 0.22s ease, box-shadow 0.22s ease;
}
.rack:hover, .rack:focus-within {
  opacity: 1;
  background: rgba(255,255,255,0.94);
  box-shadow: var(--shadow-md);
}
.rack::before {
  /* montante del rack: línea vertical que une los niveles */
  content: "";
  position: absolute;
  left: 50%; top: 14px; bottom: 14px;
  width: 1px; margin-left: -0.5px;
  background: var(--border);
  opacity: 0;
  transition: opacity 0.22s ease;
}
.rack:hover::before, .rack:focus-within::before { opacity: 1; }
.rack ul { display: flex; flex-direction: column; gap: 2px; position: relative; }
.rack__item {
  position: relative;
  display: flex; align-items: center; justify-content: center;
  width: 32px; height: 32px;
  border-radius: 7px;
  color: var(--slate-soft);
  transition: color 0.15s ease, background 0.15s ease;
}
.rack__item svg { width: 16px; height: 16px; }
/* foco de teclado: el rack se abre entero y el nivel queda remarcado */
.rack__item:focus-visible { outline: 2px solid var(--orange-cta); outline-offset: 2px; }
.rack__item:hover { color: var(--slate); background: var(--bg-alt); }
/* nivel activo: teja azul con marca naranja, como una etiqueta de ubicación */
.rack__item.is-active { color: var(--blue); background: var(--blue-tint); }
.rack:hover .rack__item.is-active,
.rack:focus-within .rack__item.is-active { color: #fff; background: var(--blue); }
.rack__item.is-active::before {
  content: "";
  position: absolute; left: -6px; top: 50%;
  width: 3px; height: 16px; margin-top: -8px;
  border-radius: 2px; background: var(--orange);
}
/* etiqueta: aparece al pasar el mouse o con foco de teclado */
.rack__label {
  position: absolute; right: calc(100% + 10px); top: 50%;
  transform: translateY(-50%) translateX(4px);
  padding: 5px 10px;
  border-radius: 5px;
  background: var(--bg-dark); color: #fff;
  font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.03em;
  white-space: nowrap;
  opacity: 0; pointer-events: none;
  transition: opacity 0.16s ease, transform 0.16s ease;
}
.rack__item:hover .rack__label,
.rack__item:focus-visible .rack__label { opacity: 1; transform: translateY(-50%) translateX(0); }

@media (min-width: 1200px) { .rack { display: block; } }

/* ==========================================================================
   HERO
   ========================================================================== */
.hero {
  position: relative;
  padding: 64px 0 0;
  overflow: hidden;
  background:
    radial-gradient(900px 420px at 88% 0%, rgba(15,58,90,0.11), rgba(15,58,90,0) 62%),
    linear-gradient(180deg, var(--blue-tint) 0%, #ffffff 68%);
}
.hero::before {
  content: "";
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(15,58,90,0.055) 1px, transparent 1px),
    linear-gradient(90deg, rgba(15,58,90,0.055) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: linear-gradient(180deg, #000 0%, transparent 70%);
  -webkit-mask-image: linear-gradient(180deg, #000 0%, transparent 70%);
  pointer-events: none;
}
.hero .wrap {
  position: relative; z-index: 1;
  display: grid;
  grid-template-columns: 0.92fr 1.08fr;
  gap: 50px;
  align-items: center;
  padding-bottom: 64px;
}
.hero h1 { font-size: clamp(31px, 3.4vw, 44px); line-height: 1.07; margin: 18px 0 20px; }
.hero h1 .accent { color: var(--blue); display: block; }
.hero .lead { font-size: 17px; color: var(--slate-soft); max-width: 500px; margin-bottom: 28px; }
.hero-actions { display: flex; gap: 12px; flex-wrap: wrap; margin-bottom: 26px; }
.hero-tags { display: flex; gap: 8px; flex-wrap: wrap; }
.hero-tag {
  font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.04em;
  color: var(--slate-soft); border: 1px solid var(--border);
  border-radius: 4px; padding: 5px 10px; background: rgba(255,255,255,0.7);
}

.hero-stage { position: relative; padding: 42px 0 0 16px; }
.hero-stage__main {
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
  background: #fff;
  border: 1px solid var(--border);
  box-shadow: var(--shadow-lg);
}
/* La tabla se corta al pie del panel: el fundido lo vuelve intencional
   (se lee como "sigue"), en vez de parecer una captura rota. */
.hero-stage__main::after {
  content: "";
  position: absolute; left: 0; right: 0; bottom: 0;
  height: 54px;
  background: linear-gradient(to bottom, rgba(255,255,255,0), #fff);
  pointer-events: none;
}
.stage-caption {
  margin-top: 14px;
  font-family: var(--font-mono); font-size: 11.5px; letter-spacing: 0.03em;
  color: var(--slate-faint); text-align: center;
}

.win-bar {
  display: flex; align-items: center; gap: 9px;
  padding: 9px 12px;
  background: var(--bg-alt);
  border-bottom: 1px solid var(--border);
}
.win-bar__dots { display: flex; gap: 5px; }
.win-bar__dots span { width: 8px; height: 8px; border-radius: 50%; background: var(--border); }
.win-bar__dots span:first-child { background: var(--orange); opacity: 0.7; }
.win-bar__label { font-family: var(--font-mono); font-size: 10.5px; color: var(--slate-faint); letter-spacing: 0.03em; }

.hero-badge {
  position: absolute; left: 20px; top: 2px; z-index: 3;
  display: inline-flex; align-items: center; gap: 8px;
  background: var(--bg-dark); color: #eafff2;
  font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.04em;
  padding: 7px 13px 7px 11px; border-radius: 999px;
  box-shadow: var(--shadow-md);
}
.pulse-dot { width: 8px; height: 8px; border-radius: 50%; background: #35d07f; position: relative; flex-shrink: 0; }
.pulse-dot::after {
  content: ""; position: absolute; inset: -4px; border-radius: 50%;
  border: 1.5px solid #35d07f; animation: pulse-ring 1.9s ease-out infinite;
}
@keyframes pulse-ring {
  0% { transform: scale(0.6); opacity: 0.9; }
  100% { transform: scale(1.9); opacity: 0; }
}

/* ---------- barra de especificaciones ---------- */
.spec-bar { background: var(--slate); color: #fff; }
.spec-bar .wrap {
  display: flex; flex-wrap: wrap; justify-content: space-between; gap: 16px;
  padding-top: 20px; padding-bottom: 20px;
}
.spec-item {
  display: flex; align-items: center; gap: 10px;
  font-family: var(--font-mono); font-size: 12.5px; letter-spacing: 0.04em; color: #cfd7de;
}
.spec-item svg { width: 18px; height: 18px; color: var(--orange); flex-shrink: 0; }

/* ==========================================================================
   COMPARATIVA — problema y solución en un solo bloque
   ========================================================================== */
.compare { display: grid; grid-template-columns: 1fr 1fr; gap: 22px; }
.cmp-col {
  border-radius: var(--radius);
  padding: 26px 26px 12px;
  border: 1px solid var(--border);
  background: #fff;
}
.cmp-col--before { background: var(--bg-alt); }
.cmp-col--after { border-color: #cfe0ee; box-shadow: var(--shadow-sm); }
.cmp-col__head {
  display: flex; align-items: center; gap: 10px;
  padding-bottom: 14px; margin-bottom: 4px;
  border-bottom: 1px solid var(--border);
}
.cmp-col__head h3 { font-size: 17px; }
.cmp-tag {
  font-family: var(--font-mono); font-size: 10.5px; letter-spacing: 0.07em;
  text-transform: uppercase; padding: 4px 9px; border-radius: 4px;
}
.cmp-col--before .cmp-tag { background: var(--red-tint); color: var(--red); }
.cmp-col--after .cmp-tag { background: var(--green-tint); color: var(--green); }
.cmp-row {
  display: flex; align-items: flex-start; gap: 12px;
  padding: 14px 0;
  border-bottom: 1px solid var(--border-soft);
  font-size: 14.8px;
}
.cmp-row:last-child { border-bottom: none; }
.cmp-row svg { width: 17px; height: 17px; flex-shrink: 0; margin-top: 4px; }
.cmp-col--before .cmp-row { color: var(--slate-soft); }
.cmp-col--before .cmp-row svg { color: var(--slate-faint); }
.cmp-col--after .cmp-row svg { color: var(--green); }

/* franja de solución con foto */
.solution-band {
  margin-top: 30px;
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: 34px;
  align-items: center;
  background: var(--bg-dark);
  border-radius: var(--radius);
  overflow: hidden;
  color: #fff;
}
.band-photo { position: relative; height: 100%; min-height: 236px; }
.band-photo img { width: 100%; object-fit: cover; }
.band-photo::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(90deg, rgba(11,22,34,0) 55%, rgba(11,22,34,0.95) 100%);
}
.band-copy { padding: 30px 40px 30px 0; }
.band-copy h3 { font-size: clamp(20px, 2vw, 25px); color: #fff; margin: 12px 0 10px; }
.band-copy p { color: #b9c3cd; font-size: 15px; max-width: 520px; }

/* ==========================================================================
   MÓDULOS — tabs
   ========================================================================== */
.tabs {
  display: flex; gap: 8px; flex-wrap: wrap;
  margin-bottom: 26px;
  border-bottom: 1px solid var(--border);
  padding-bottom: 14px;
}
.tab {
  display: inline-flex; align-items: center; gap: 9px;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 7px;
  padding: 9px 15px;
  font-size: 14px; font-weight: 600;
  color: var(--slate-soft);
  transition: color 0.15s ease, border-color 0.15s ease, background 0.15s ease;
}
.tab__dot { width: 8px; height: 8px; border-radius: 2px; background: var(--slate-faint); transition: background 0.15s ease; }
.tab:hover { color: var(--slate); border-color: var(--slate-faint); }
.tab.is-active { color: #fff; background: var(--blue); border-color: var(--blue); }
.tab.is-active .tab__dot { background: var(--orange); }
.tab__count { font-family: var(--font-mono); font-size: 11px; opacity: 0.7; }

.tab-panel { display: none; }
/* alto reservado: el grupo más largo ocupa dos filas de módulos.
   Evita que la página salte al cambiar de pestaña. */
.tab-panel.is-active { min-height: 384px; }
.tab-panel.is-active { display: block; animation: tab-in 0.28s ease; }
@keyframes tab-in { from { opacity: 0; transform: translateY(6px); } to { opacity: 1; transform: none; } }

.mod-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; align-content: start; }
.mod {
  background: #fff;
  border: 1px solid var(--border);
  border-left: 3px solid var(--blue);
  border-radius: var(--radius-sm);
  padding: 20px 20px 22px;
  transition: box-shadow 0.2s ease, transform 0.2s ease;
}
.mod:hover { box-shadow: var(--shadow-md); transform: translateY(-2px); }
.mod__icon { width: 23px; height: 23px; color: var(--blue); margin-bottom: 11px; }
.mod h4 { font-size: 16px; margin-bottom: 5px; }
.mod p { font-size: 13.6px; color: var(--slate-soft); }
.mod__note {
  margin-top: 10px; padding-top: 9px;
  border-top: 1px solid var(--border-soft);
  font-size: 12.2px; color: var(--slate-faint);
}
/* color por grupo de módulos */
.mod--repo { border-left-color: var(--orange-cta); }
.mod--repo .mod__icon { color: var(--orange-ink); }
.mod--admin { border-left-color: var(--blue-soft); }
.mod--admin .mod__icon { color: var(--blue-soft); }
.mod--doc { border-left-color: var(--green); }
.mod--doc .mod__icon { color: var(--green); }

/* ==========================================================================
   GALERÍA DE CAPTURAS — scroll horizontal con snap
   ========================================================================== */
.gallery-head {
  display: flex; align-items: flex-end; justify-content: space-between;
  gap: 24px; flex-wrap: wrap; margin-bottom: 26px;
}
.gallery-nav { display: flex; align-items: center; gap: 12px; }
.gallery-hint {
  display: inline-flex; align-items: center; gap: 7px;
  font-family: var(--font-mono); font-size: 11px;
  letter-spacing: 0.03em; color: var(--slate-faint);
  white-space: nowrap;
}
.gallery-hint svg { width: 15px; height: 15px; }
/* la pista se retira una vez que la persona ya deslizó */
.gallery-nav.has-moved .gallery-hint { opacity: 0; transition: opacity 0.3s ease; }
.gnav {
  width: 40px; height: 40px; border-radius: 8px;
  border: 1px solid var(--border); background: #fff;
  display: flex; align-items: center; justify-content: center;
  color: var(--slate); transition: border-color 0.15s ease, background 0.15s ease, opacity 0.15s ease;
}
.gnav svg { width: 18px; height: 18px; }
.gnav:hover { border-color: var(--slate); background: var(--bg-alt); }
.gnav[disabled] { opacity: 0.35; cursor: default; }
.gnav[disabled]:hover { border-color: var(--border); background: #fff; }
.gallery-counter { font-family: var(--font-mono); font-size: 12px; color: var(--slate-faint); min-width: 46px; text-align: center; }

.gallery-wrap { position: relative; }
/* degradado en el borde: indica que hay más slides hacia el costado */
.gallery-wrap::after {
  content: "";
  position: absolute; top: 0; bottom: 14px; right: 0;
  width: 46px;
  background: linear-gradient(90deg, rgba(255,255,255,0), var(--bg-tint));
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.25s ease;
}
.gallery-wrap.has-next::after { opacity: 1; }

.gallery {
  display: flex;
  gap: 20px;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  scroll-behavior: smooth;
  padding-bottom: 14px;
  /* sangría: los slides arrancan alineados al contenedor */
  scrollbar-width: thin;
  scrollbar-color: var(--border) transparent;
}
.gallery::-webkit-scrollbar { height: 6px; }
.gallery::-webkit-scrollbar-thumb { background: var(--border); border-radius: 3px; }
.gallery::-webkit-scrollbar-track { background: transparent; }

.slide {
  flex: 0 0 100%;
  scroll-snap-align: start;
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 32px;
  align-items: center;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 26px;
  box-shadow: var(--shadow-sm);
}
.slide__media { min-width: 0; }
.slide__frame {
  border: 1px solid var(--border);
  border-radius: 8px;
  overflow: hidden;
  background: var(--bg-alt);
  box-shadow: var(--shadow-sm);
}
.slide__frame img { width: 100%; }
.slide__frame--pad img { padding: 12px; }
.slide__copy { min-width: 0; }
.slide__copy h3 { font-size: clamp(19px, 1.8vw, 23px); margin: 12px 0 9px; }
.slide__copy > p { font-size: 14.8px; color: var(--slate-soft); }
.slide__points { margin-top: 16px; display: flex; flex-direction: column; gap: 8px; }
.slide__points li { display: flex; align-items: flex-start; gap: 9px; font-size: 13.8px; }
.slide__points svg { width: 16px; height: 16px; color: var(--green); flex-shrink: 0; margin-top: 3px; }
.slide__index {
  font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.07em;
  color: var(--slate-faint); margin-top: 16px; display: block;
}

.module-tag {
  display: inline-flex; align-items: center; gap: 7px;
  font-family: var(--font-mono); font-size: 11px;
  letter-spacing: 0.07em; text-transform: uppercase;
  color: var(--blue);
  background: var(--blue-tint);
  border: 1px solid #d3e2ee;
  border-radius: 999px;
  padding: 5px 12px;
}
.module-tag--orange { color: var(--orange-ink); background: var(--orange-tint); border-color: #f6d4bd; }
.module-tag--green { color: var(--green); background: var(--green-tint); border-color: #c9e6d8; }

/* ==========================================================================
   FLUJO OPERATIVO — línea horizontal de pasos
   ========================================================================== */
.flow {
  display: flex;
  gap: 16px;
  overflow-x: auto;
  scroll-snap-type: x proximity;
  padding-bottom: 12px;
  scrollbar-width: thin;
  scrollbar-color: var(--border) transparent;
}
.flow::-webkit-scrollbar { height: 6px; }
.flow::-webkit-scrollbar-thumb { background: var(--border); border-radius: 3px; }
.flow-step {
  flex: 1 1 0;
  min-width: 190px;
  scroll-snap-align: start;
  position: relative;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 20px 18px 22px;
}
.flow-step__num {
  width: 40px; height: 40px;
  border-radius: 10px;
  background: var(--blue-tint);
  border: 1px solid #d3e2ee;
  display: flex; align-items: center; justify-content: center;
  color: var(--blue);
  margin-bottom: 14px;
}
.flow-step__num svg { width: 19px; height: 19px; }
.flow-step:last-child .flow-step__num { background: var(--orange-tint); border-color: #f6d4bd; color: var(--orange-ink); }
.flow-step__idx {
  font-family: var(--font-mono); font-size: 10.5px; letter-spacing: 0.08em;
  color: var(--slate-faint); display: block; margin-bottom: 4px;
}
.flow-step h3 { font-size: 16px; margin-bottom: 6px; }
.flow-step p { font-size: 13.4px; color: var(--slate-soft); }
/* conector entre pasos */
.flow-step::after {
  content: "";
  position: absolute; top: 40px; right: -11px;
  width: 6px; height: 6px;
  border-top: 1.5px solid var(--border);
  border-right: 1.5px solid var(--border);
  transform: rotate(45deg);
}
.flow-step:last-child::after { display: none; }

/* ==========================================================================
   PARA QUIÉN ES + BENEFICIOS
   ========================================================================== */
.who-layout { display: grid; grid-template-columns: 1fr 1fr; gap: 52px; align-items: start; }
.chip-cloud { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 24px; }
.chip {
  display: inline-flex; align-items: center; gap: 9px;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 9px 17px;
  font-size: 14px; font-weight: 500;
  color: var(--slate);
  box-shadow: var(--shadow-xs);
  transition: transform 0.18s ease, border-color 0.18s ease;
}
.chip svg { width: 16px; height: 16px; color: var(--blue); flex-shrink: 0; }
.chip:hover { transform: translateY(-2px); border-color: var(--blue-soft); }
.chip--accent { border-color: #f6d4bd; background: var(--orange-tint); }
.chip--accent svg { color: var(--orange-ink); }

.benefits-list { display: grid; grid-template-columns: 1fr 1fr; gap: 0 28px; margin-top: 24px; }
.benefit {
  display: flex; align-items: flex-start; gap: 11px;
  padding: 12px 0;
  border-bottom: 1px solid var(--border);
  font-size: 14.5px;
}
.benefit svg { width: 17px; height: 17px; color: var(--orange-ink); flex-shrink: 0; margin-top: 3px; }

/* ==========================================================================
   CIERRE — demo, estado del producto y CTA a la app
   ========================================================================== */
.demo {
  position: relative;
  overflow: hidden;
  border-radius: 14px;
  padding: 52px 56px;
  display: grid;
  grid-template-columns: 1.3fr 0.7fr;
  gap: 40px;
  align-items: center;
  color: #fff;
}
.demo__bg { position: absolute; inset: 0; z-index: 0; }
.demo__bg img { width: 100%; object-fit: cover; opacity: 0.3; }
.demo__bg::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(105deg, var(--blue) 38%, rgba(15,58,90,0.72) 100%);
}
.demo__copy, .demo__actions { position: relative; z-index: 1; }
.demo h2 { color: #fff; font-size: clamp(23px, 2.4vw, 30px); margin: 13px 0 12px; }
.demo p { color: #d6e3ed; font-size: 15px; max-width: 560px; }
.demo__actions { display: flex; flex-direction: column; gap: 10px; align-items: stretch; }

/* acordeón de estado del producto */
.acc { margin-top: 26px; border: 1px solid var(--border); border-radius: var(--radius); background: #fff; }
.acc__btn {
  width: 100%;
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
  padding: 18px 24px;
  background: none; border: none;
  text-align: left;
  font-size: 15.5px; font-weight: 600; color: var(--slate);
}
.acc__btn .acc__hint { font-family: var(--font-mono); font-size: 11.5px; font-weight: 400; color: var(--slate-faint); }
.acc__chev { width: 18px; height: 18px; color: var(--slate-faint); transition: transform 0.22s ease; flex-shrink: 0; }
.acc__btn[aria-expanded="true"] .acc__chev { transform: rotate(180deg); }
.acc__body { display: none; padding: 0 24px 24px; }
.acc__body.is-open { display: grid; grid-template-columns: 1.3fr 0.7fr; gap: 34px; align-items: start; }
.acc__body p { font-size: 14.8px; color: var(--slate-soft); }
.status-list { display: flex; flex-wrap: wrap; gap: 8px 10px; margin-top: 16px; }
.status-chip {
  font-family: var(--font-mono); font-size: 11.5px;
  color: var(--slate); background: var(--bg-alt);
  border: 1px solid var(--border); border-radius: 5px; padding: 5px 10px;
}
.status-note {
  margin-top: 20px; padding-top: 16px;
  border-top: 1px solid var(--border);
  font-size: 14px; color: var(--slate-soft);
  display: flex; gap: 11px; align-items: flex-start;
}
.status-note svg { width: 18px; height: 18px; color: var(--orange-ink); flex-shrink: 0; margin-top: 3px; }
.status-note strong { color: var(--slate); }
.acc__aside .shot-label {
  font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.06em;
  color: var(--slate-faint); text-transform: uppercase; margin-bottom: 8px;
  display: flex; align-items: center; gap: 8px;
}
.acc__aside .shot-label::before { content: ""; width: 14px; height: 2px; background: var(--orange-ink); }
.acc__aside .shot { border: 1px solid var(--border); border-radius: 8px; overflow: hidden; background: var(--bg-alt); }
.acc__aside .shot img { padding: 12px; width: 100%; }
.acc__aside p { font-size: 13px; color: var(--slate-faint); margin-top: 10px; }

/* ==========================================================================
   CONTACTO
   ========================================================================== */
.contact-layout { display: grid; grid-template-columns: 0.78fr 1.22fr; gap: 46px; align-items: stretch; }
.contact-aside {
  display: flex; flex-direction: column;
  background: var(--slate);
  color: #fff;
  border-radius: var(--radius);
  padding: 34px 32px;
  box-shadow: var(--shadow-md);
}
.contact-aside h2 { color: #fff; font-size: 27px; line-height: 1.12; margin: 13px 0 11px; }
.contact-aside > p { color: #b8c2cc; font-size: 14.8px; margin-bottom: 22px; }
.contact-aside .btn { margin-bottom: 8px; }
.contact-detail { display: flex; gap: 12px; align-items: flex-start; padding: 13px 0; border-top: 1px solid rgba(255,255,255,0.11); }
.contact-detail:first-of-type { margin-top: auto; }
.contact-detail svg { width: 18px; height: 18px; color: var(--orange); margin-top: 3px; flex-shrink: 0; }
.contact-detail strong {
  display: block; font-family: var(--font-mono); font-size: 10.5px;
  letter-spacing: 0.08em; color: #8e9ba7; margin-bottom: 2px;
}
.contact-detail a, .contact-detail span { font-size: 14.5px; color: #fff; word-break: break-word; }
.contact-detail a:hover { color: #ffb98f; }

.form-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 34px 36px;
  box-shadow: var(--shadow-sm);
}
.form-card h3 { font-size: 20px; margin-bottom: 4px; }
.form-intro { font-size: 14.2px; color: var(--slate-soft); margin-bottom: 22px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 15px; }
.field { margin-bottom: 15px; }
.field label { display: block; font-size: 12.5px; font-weight: 600; color: var(--slate); margin-bottom: 6px; }
.field label .opt { color: var(--slate-faint); font-weight: 400; }
.field input, .field select, .field textarea {
  width: 100%;
  border: 1.5px solid var(--border);
  border-radius: 7px;
  padding: 11px 13px;
  font-family: var(--font-body);
  font-size: 14.5px;
  color: var(--slate);
  background: #fcfdfe;
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}
.field input:focus, .field select:focus, .field textarea:focus {
  border-color: var(--blue); outline: none; box-shadow: 0 0 0 3px rgba(15,58,90,0.10);
}
.field textarea { resize: vertical; min-height: 92px; }
.form-actions { display: flex; gap: 11px; margin-top: 20px; flex-wrap: wrap; }
.form-note { margin-top: 14px; font-size: 12.5px; color: var(--slate-faint); }
.form-msg { display: none; margin-top: 16px; padding: 13px 15px; border-radius: 8px; font-size: 14px; font-weight: 500; }
.form-msg.is-visible { display: block; }
.form-msg--ok { background: var(--green-tint); border: 1px solid #c9e6d8; color: var(--green); }
.form-msg--error { background: var(--red-tint); border: 1px solid #f0c8c5; color: var(--red); }

/* ==========================================================================
   FOOTER
   ========================================================================== */
.site-footer { background: var(--bg-dark); color: #a7b1bb; padding: 46px 0 96px; }
.site-footer .wrap { display: flex; justify-content: space-between; align-items: flex-start; flex-wrap: wrap; gap: 26px; }
.footer-logo { width: 152px; height: auto; margin-bottom: 12px; }
.footer-meta { font-size: 13.5px; line-height: 1.75; }
.footer-nav ul { display: flex; gap: 20px; flex-wrap: wrap; }
.footer-nav a { font-size: 13.5px; color: #a7b1bb; }
.footer-nav a:hover { color: #fff; }
.footer-bottom {
  margin-top: 30px; padding-top: 18px;
  border-top: 1px solid rgba(255,255,255,0.09);
  font-size: 12.5px; color: #78838e;
  display: flex; justify-content: space-between; flex-wrap: wrap; gap: 10px;
}

/* ==========================================================================
   BOTÓN FLOTANTE (WhatsApp)
   La pila admite más accesos: basta con sumar otro .fab dentro de .fab-stack.
   ========================================================================== */
.fab-stack {
  position: fixed; right: 24px; bottom: 24px; z-index: 95;
  display: flex; flex-direction: column-reverse; align-items: flex-end; gap: 12px;
}
.fab {
  display: inline-flex; align-items: center; gap: 0;
  height: 56px; padding: 0 16px;
  border-radius: 28px;
  color: #fff;
  box-shadow: 0 8px 24px rgba(11, 22, 34, 0.28);
  transition: gap 0.28s ease, padding 0.28s ease, box-shadow 0.2s ease, transform 0.15s ease;
  overflow: hidden;
}
.fab svg { width: 25px; height: 25px; flex-shrink: 0; }
.fab__label {
  font-size: 14.5px; font-weight: 600; white-space: nowrap;
  max-width: 0; opacity: 0;
  transition: max-width 0.28s ease, opacity 0.2s ease;
}
.fab:hover, .fab:focus-visible { gap: 11px; padding-right: 21px; box-shadow: 0 10px 30px rgba(11, 22, 34, 0.34); }
.fab:hover .fab__label, .fab:focus-visible .fab__label { max-width: 240px; opacity: 1; }
.fab:active { transform: translateY(1px); }
.fab--wa { background: #25D366; }
.fab--wa:hover { background: #1FB855; }
.fab-stack.is-ready .fab--wa { animation: fab-in 0.45s ease-out both; }
@keyframes fab-in {
  from { opacity: 0; transform: translateY(14px) scale(0.9); }
  to   { opacity: 1; transform: none; }
}

/* El rack vive centrado en el borde derecho y el botón flotante abajo a la
   derecha. Se separan verticalmente para que nunca compartan zona: el rack
   se limita en alto y el botón queda por debajo de su recorrido. */
@media (min-width: 1200px) {
  .fab-stack { right: 22px; bottom: 22px; }
  .rack { max-height: calc(100vh - 200px); }
}

/* ==========================================================================
   RESPONSIVE
   ========================================================================== */
@media (max-width: 1400px) {
  .section { padding: 74px 0; }
  .hero .wrap { padding-bottom: 56px; }
}

@media (max-width: 1160px) {
  .tab-panel.is-active { min-height: 480px; }
  .wrap { padding: 0 26px; }
  .main-nav ul { gap: 16px; }
  .main-nav a { font-size: 13.5px; }
  .mod-grid { grid-template-columns: repeat(2, 1fr); }
  .who-layout { grid-template-columns: 1fr; gap: 34px; }
}

@media (max-width: 980px) {
  .main-nav { display: none; }
  .nav-toggle { display: block; }
  .site-header.nav-open .main-nav {
    display: block; position: absolute; top: 74px; left: 0; right: 0;
    background: #fff; border-bottom: 1px solid var(--border);
    box-shadow: var(--shadow-md); padding: 8px 0;
  }
  .site-header.nav-open .main-nav ul { flex-direction: column; gap: 0; }
  .site-header.nav-open .main-nav a {
    display: block; padding: 14px 26px; border-bottom: 1px solid var(--border-soft); font-size: 15px;
  }
  .header-actions .btn--ghost { display: none; }

  .hero .wrap { grid-template-columns: 1fr; gap: 40px; }
  .hero-stage { order: -1; padding: 40px 0 0 10px; }
  .hero-badge { left: 16px; }

  .compare { grid-template-columns: 1fr; }
  .solution-band { grid-template-columns: 1fr; }
  .band-photo { min-height: 200px; }
  .band-copy { padding: 26px 28px 30px; }

  .slide { grid-template-columns: 1fr; gap: 22px; padding: 20px; }
  .slide__copy h3 { margin-top: 10px; }

  .demo { grid-template-columns: 1fr; padding: 40px 32px; }
  .acc__body.is-open { grid-template-columns: 1fr; gap: 26px; }
  .contact-layout { grid-template-columns: 1fr; gap: 26px; align-items: start; }
  .contact-detail:first-of-type { margin-top: 0; }
}

@media (max-width: 680px) {
  .wrap { padding: 0 20px; }
  .section { padding: 56px 0; }
  .section--tight { padding: 46px 0; }
  .section-head { margin-bottom: 30px; }
  .hero { padding-top: 44px; }
  .hero-stage { padding: 38px 0 0; }
  .hero-badge { left: 6px; }
  .hero-actions .btn { flex: 1 1 100%; }
  .spec-bar .wrap { flex-direction: column; gap: 11px; }
  .mod-grid { grid-template-columns: 1fr; }
  .tab-panel.is-active { min-height: 0; }
  .tabs { flex-wrap: nowrap; overflow-x: auto; padding-bottom: 12px; }
  .tab { flex: 0 0 auto; }
  .benefits-list { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .form-card { padding: 24px 20px; }
  /* el CTA a la app se compacta para convivir con logo y hamburguesa */
  .brand-logo { width: 126px; }
  .header-actions { gap: 6px; }
  .header-actions .btn--primary { padding: 9px 12px; font-size: 13px; }
  .header-actions .btn--primary svg { display: none; }
  .contact-aside { padding: 26px 22px; }
  .demo { padding: 32px 22px; }
  .acc__btn { padding: 16px 18px; font-size: 14.5px; }
  .acc__btn .acc__hint { display: none; }
  .acc__body { padding: 0 18px 20px; }
  .footer-bottom { flex-direction: column; }
  .gallery { gap: 14px; }
  .slide { padding: 16px; }
  /* controles de la galería: la pista se acorta y la fila puede envolver */
  .gallery-head { gap: 14px; }
  .gallery-nav { flex-wrap: wrap; gap: 10px; width: 100%; }
  .gallery-hint { white-space: normal; font-size: 10.5px; order: 3; flex: 1 1 100%; }
  .gallery-hint .hint-long { display: none; }
}

/* ==========================================================================
   TOPES DE NITIDEZ — SIEMPRE AL FINAL DE LA HOJA
   Ninguna captura se muestra a más de la mitad de su resolución real, para
   que en pantallas HiDPI caiga 1:1. Orden interno: primero el tope general
   por ancho de columna, después los topes por archivo, que deben ganar.
   ========================================================================== */
@media (max-width: 980px) {
  .slide__frame, .hero-stage__main, .acc__aside .shot {
    max-width: 560px; margin-left: auto; margin-right: auto;
  }
}

.slide__frame--w528 { max-width: 528px; }   /* archivo de 1057px */
.slide__frame--w434 { max-width: 434px; }   /* archivo de 869px */
.slide__frame--w448 { max-width: 448px; }   /* archivo de 896px */
.slide__frame--w353 { max-width: 353px; }   /* archivo de 650px */
.slide__frame--w528, .slide__frame--w434, .slide__frame--w448, .slide__frame--w353 {
  margin-left: auto; margin-right: auto;
}
/* el manual del acordeón sale de un archivo de 896px */
.acc__aside .shot { max-width: 448px; }