/* ============================================================================
   ConectaLabIA · layout.css
   Estructura: navegación, hero, secciones, rejillas y pie.
   ========================================================================== */

/* ============================== Navegación ============================== */

.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: var(--z-nav);
  border-bottom: 1px solid transparent;
  transition: background var(--normal) var(--curva), border-color var(--normal) var(--curva),
    backdrop-filter var(--normal) var(--curva);
}

.nav.es-solida {
  background: var(--fondo-velo);
  backdrop-filter: blur(16px) saturate(150%);
  border-bottom-color: var(--borde-suave);
}

.nav__interior {
  display: flex;
  align-items: center;
  gap: var(--e-5);
  height: var(--alto-nav);
}

.marca {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--texto);
  font-family: var(--fuente-titulo);
  font-size: var(--t-nav-marca);
  font-weight: 600;
  letter-spacing: -0.02em;
  flex: none;
}

.marca:hover {
  color: var(--texto);
}

.marca__logo {
  width: 30px;
  height: 30px;
  flex: none;
}

.marca__ia {
  color: var(--verde);
}

.nav__enlaces {
  display: flex;
  align-items: center;
  gap: var(--e-1);
  margin-right: auto;
  list-style: none;
  padding: 0;
}

.nav__enlaces li {
  margin: 0;
}

.nav__enlace {
  display: inline-block;
  padding: 8px 12px;
  border-radius: var(--r-sm);
  font-size: var(--t-chico);
  color: var(--texto-medio);
  transition: color var(--rapido) var(--curva), background var(--rapido) var(--curva);
}

.nav__enlace:hover,
.nav__enlace.es-activo {
  color: var(--texto);
  background: rgba(20, 50, 80, 0.06);
}

.nav__acciones {
  display: flex;
  align-items: center;
  gap: var(--e-2);
  flex: none;
  margin-left: auto;
}

/* Landing: logo y CTA flotantes a los lados, sin franja que empuje el contenido. */
.nav--marca-cta {
  pointer-events: none;
  border-bottom-color: transparent;
  background: transparent;
  backdrop-filter: none;
}

.nav--marca-cta.es-solida {
  background: transparent;
  border-bottom-color: transparent;
  backdrop-filter: none;
}

.nav--marca-cta .nav__interior {
  height: auto;
  min-height: 0;
  justify-content: space-between;
  padding-block: clamp(10px, 1.8vw, 18px);
  pointer-events: none;
}

.nav--marca-cta .marca,
.nav--marca-cta .nav__acciones,
.nav--marca-cta .nav__acciones .btn {
  pointer-events: auto;
}

.nav--marca-cta .logo-nav {
  height: clamp(44px, 6.5vw, 62px);
  width: auto;
  max-width: min(42vw, 220px);
  object-fit: contain;
  object-position: left center;
  filter: drop-shadow(0 1px 10px rgba(229, 234, 241, 0.92));
}

.nav--marca-cta .marca {
  flex: 1 1 auto;
  min-width: 0;
}

.nav--marca-cta .nav__acciones {
  flex: 0 0 auto;
}

.nav--marca-cta .nav__acciones .btn {
  box-shadow: var(--sombra-2);
}

.nav--marca-cta > .contenedor {
  width: 100%;
  max-width: none;
  padding-left: clamp(6px, 1.2vw, 12px);
  padding-right: clamp(16px, 3vw, 36px);
}

@media (min-width: 1280px) {
  .nav--marca-cta > .contenedor {
    padding-left: 10px;
    padding-right: clamp(24px, 3.5vw, 52px);
  }
}

.hamburguesa {
  display: none;
  width: 38px;
  height: 34px;
  border-radius: var(--r-sm);
  border: 1px solid var(--borde);
  background: transparent;
  cursor: pointer;
  padding: 9px 8px;
  flex-direction: column;
  justify-content: space-between;
}

.hamburguesa span {
  display: block;
  height: 1.6px;
  background: var(--texto);
  border-radius: 2px;
  transition: transform var(--normal) var(--curva), opacity var(--rapido) var(--curva);
}

.hamburguesa[aria-expanded='true'] span:nth-child(1) {
  transform: translateY(6px) rotate(45deg);
}
.hamburguesa[aria-expanded='true'] span:nth-child(2) {
  opacity: 0;
}
.hamburguesa[aria-expanded='true'] span:nth-child(3) {
  transform: translateY(-6px) rotate(-45deg);
}

.menu-movil {
  position: fixed;
  inset: var(--alto-nav) 0 auto;
  z-index: var(--z-menu);
  display: none;
  flex-direction: column;
  gap: var(--e-1);
  padding: var(--e-4) var(--e-5) var(--e-6);
  background: var(--fondo-velo-2);
  backdrop-filter: blur(18px);
  border-bottom: 1px solid var(--borde);
  max-height: calc(100vh - var(--alto-nav));
  overflow: auto;
}

.menu-movil.es-abierto {
  display: flex;
}

.menu-movil a {
  padding: 12px 4px;
  font-size: 1rem;
  color: var(--texto);
  border-bottom: 1px solid var(--borde-suave);
}

.menu-movil .btn {
  margin-top: var(--e-3);
}

/* ================================= Hero ================================= */

.hero {
  position: relative;
  padding-top: calc(var(--alto-nav) + clamp(48px, 8vw, 96px));
  padding-bottom: clamp(40px, 5vw, 72px);
  overflow: hidden;
}

.hero__canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  opacity: 0.85;
  mask-image: radial-gradient(ellipse 92% 76% at 50% 34%, #000 30%, transparent 84%);
  -webkit-mask-image: radial-gradient(ellipse 92% 76% at 50% 34%, #000 30%, transparent 84%);
}

.hero__degradado {
  position: absolute;
  inset: auto 0 0;
  height: 42%;
  background: linear-gradient(180deg, transparent, var(--fondo));
  pointer-events: none;
}

.hero__grid {
  position: relative;
  z-index: var(--z-contenido);
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(0, 0.92fr);
  gap: clamp(28px, 4vw, 56px);
  align-items: center;
}

.hero__copiar {
  max-width: 620px;
}

.hero h1 {
  margin-bottom: var(--e-5);
}

.hero__bajada {
  font-size: clamp(1.02rem, 1.3vw, 1.18rem);
  color: var(--texto-medio);
  max-width: 54ch;
}

.hero__ctas {
  display: flex;
  flex-wrap: wrap;
  gap: var(--e-3);
  margin-bottom: var(--e-5);
}

.hero__prueba {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--e-4);
  font-size: var(--t-chico);
  color: var(--texto-suave);
}

.hero__prueba .chip {
  color: var(--texto-suave);
}

/* Panel de ejecución en vivo del hero. */
.vivo {
  position: relative;
  padding: var(--e-4);
  border-radius: var(--r-xl);
  border: 1px solid var(--borde);
  background: linear-gradient(180deg, #ffffff, #f7f9fc);
  box-shadow: var(--sombra-3), inset 0 1px 0 rgba(255, 255, 255, 0.6);
  backdrop-filter: blur(14px);
}

.vivo::after {
  content: '';
  position: absolute;
  inset: -1px;
  border-radius: inherit;
  padding: 1px;
  background: var(--degradado-borde);
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  opacity: 0.5;
  pointer-events: none;
}

.vivo__cabecera {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--e-3);
  padding-bottom: var(--e-4);
  border-bottom: 1px solid var(--borde-suave);
}

.vivo__id {
  font-family: var(--fuente-mono);
  font-size: var(--t-micro);
  color: var(--texto-suave);
}

.vivo__pasos {
  display: grid;
  gap: 2px;
  margin: var(--e-4) 0;
  list-style: none;
  padding: 0;
}

.paso {
  display: grid;
  grid-template-columns: 22px minmax(0, 1fr) auto;
  align-items: center;
  gap: var(--e-3);
  padding: 9px 10px;
  border-radius: var(--r-sm);
  font-size: 0.8rem;
  color: var(--texto-suave);
  border: 1px solid transparent;
  transition: background var(--normal) var(--curva), border-color var(--normal) var(--curva),
    color var(--normal) var(--curva);
}

.paso__marca {
  display: grid;
  place-items: center;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  border: 1.4px solid var(--borde);
  font-family: var(--fuente-mono);
  font-size: 0.6rem;
  color: var(--texto-tenue);
}

.paso__nombre {
  color: var(--texto-medio);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.paso__ms {
  font-family: var(--fuente-mono);
  font-size: 0.68rem;
  color: var(--texto-tenue);
}

.paso.es-activo {
  background: rgba(183, 121, 31, 0.09);
  border-color: rgba(183, 121, 31, 0.28);
}

.paso.es-activo .paso__marca {
  border-color: var(--ambar);
  color: var(--ambar);
  box-shadow: 0 0 0 3px rgba(183, 121, 31, 0.14);
}

.paso.es-activo .paso__nombre {
  color: var(--texto);
}

.paso.es-hecho .paso__marca {
  border-color: var(--verde);
  background: var(--verde-bg);
  color: var(--verde);
}

.paso.es-hecho .paso__nombre {
  color: var(--texto-medio);
}

.paso.es-hecho .paso__ms {
  color: var(--texto-suave);
}

.vivo__pie {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--e-3);
  padding-top: var(--e-4);
  border-top: 1px solid var(--borde-suave);
  font-family: var(--fuente-mono);
  font-size: var(--t-micro);
  color: var(--texto-suave);
}

.barra {
  position: relative;
  height: 3px;
  border-radius: 2px;
  background: rgba(20, 50, 80, 0.12);
  overflow: hidden;
}

.barra__relleno {
  height: 100%;
  width: 0;
  border-radius: 2px;
  background: var(--degradado-marca);
  transition: width 0.6s var(--curva);
}

.hero__stats {
  position: relative;
  z-index: var(--z-contenido);
  margin-top: clamp(40px, 6vw, 84px);
}

/* ============================== Secciones ============================== */

.franja {
  position: relative;
  border-top: 1px solid var(--borde-suave);
  border-bottom: 1px solid var(--borde-suave);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.7), rgba(215, 221, 231, 0.35));
}

.dos-columnas {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(0, 1.05fr);
  gap: clamp(28px, 5vw, 64px);
  align-items: start;
}

.bento {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: var(--e-3);
}

.bento > * {
  grid-column: span 4;
}

.bento .ancho-6 {
  grid-column: span 6;
}
.bento .ancho-8 {
  grid-column: span 8;
}
.bento .ancho-12 {
  grid-column: span 12;
}
.bento .ancho-5 {
  grid-column: span 5;
}
.bento .ancho-7 {
  grid-column: span 7;
}

.rejilla-3 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(330px, 1fr));
  gap: var(--e-3);
}

.rejilla-2 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: var(--e-4);
}

.lista-check {
  list-style: none;
  padding: 0;
  display: grid;
  gap: var(--e-3);
}

.lista-check li {
  position: relative;
  padding-left: 30px;
  margin: 0;
  font-size: 0.9rem;
  color: var(--texto-medio);
}

.lista-check li::before {
  content: '';
  position: absolute;
  top: 6px;
  left: 0;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--verde-bg);
  border: 1px solid rgba(0, 163, 104, 0.4);
}

.lista-check li::after {
  content: '';
  position: absolute;
  top: 10px;
  left: 5px;
  width: 5px;
  height: 8px;
  border-right: 1.6px solid var(--verde);
  border-bottom: 1.6px solid var(--verde);
  transform: rotate(40deg);
}

.lista-check li b {
  color: var(--texto);
  font-weight: 600;
}

.etiquetas {
  display: flex;
  flex-wrap: wrap;
  gap: var(--e-2);
}

/* ============================ Riel de secciones ========================== */

.riel {
  position: fixed;
  top: 50%;
  left: 30px;
  transform: translateY(-50%);
  z-index: var(--z-riel);
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: var(--e-4) 0;
}

.riel__linea {
  position: absolute;
  left: 7px;
  top: 22px;
  bottom: 22px;
  width: 1px;
  background: linear-gradient(180deg, transparent, var(--borde), transparent);
}

.riel__nodo {
  position: relative;
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 9px 14px 9px 0;
  font-family: var(--fuente-mono);
  font-size: var(--t-riel-nodo);
  letter-spacing: 0.02em;
  color: var(--texto-suave);
  background: none;
  border: 0;
  cursor: pointer;
  text-align: left;
  transition: color var(--rapido) var(--curva);
}

.riel__nodo::before {
  content: '';
  width: 14px;
  height: 14px;
  flex: none;
  border-radius: 50%;
  border: 1.5px solid var(--borde);
  background: var(--fondo);
  transition: all var(--normal) var(--curva);
}

.riel__nodo:hover {
  color: var(--texto);
}

.riel__nodo.es-activo {
  color: var(--texto);
  font-weight: 600;
}

.riel__nodo.es-activo::before {
  border-color: var(--verde);
  background: var(--verde);
  box-shadow: 0 0 12px rgba(0, 163, 104, 0.7);
}

/* ============================ Franja de cierre ========================== */

.cierre {
  position: relative;
  overflow: hidden;
  text-align: center;
  padding-block: clamp(36px, 5vw, 52px);
  border-radius: var(--r-xl);
  border: 1px solid var(--borde);
  background: radial-gradient(70% 120% at 50% 0%, rgba(0, 163, 104, 0.14), transparent 62%),
    radial-gradient(60% 120% at 80% 100%, rgba(47, 124, 158, 0.14), transparent 60%), #ffffff;
}

.cierre__interior {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: clamp(12px, 2vw, var(--e-4));
}

.cierre h2 {
  max-width: 22ch;
}

.cierre p {
  max-width: 58ch;
}

/* Formulario sesión desplegable (contacto) — descomentar al activar el bloque en index.html */
/*
.cierre__form-envoltorio {
  width: 100%;
  max-width: 540px;
}

.cierre__cta {
  justify-content: center;
}

.cierre__form-panel {
  display: grid;
  grid-template-rows: 0fr;
  width: 100%;
  opacity: 0;
  transition: grid-template-rows var(--normal) var(--curva-suave), opacity var(--normal) var(--curva),
    margin-top var(--normal) var(--curva-suave);
  margin-top: 0;
}

.cierre__form-panel.es-abierto {
  grid-template-rows: 1fr;
  opacity: 1;
  margin-top: var(--e-4);
}

.cierre__form-panel > .form-sesion {
  overflow: hidden;
  min-height: 0;
}

.form-sesion {
  text-align: left;
  padding: clamp(var(--e-4), 3vw, var(--e-5));
  border-radius: var(--r-lg);
  border: 1px solid var(--borde);
  background: rgba(255, 255, 255, 0.92);
  box-shadow: var(--sombra-2);
}

.form-sesion__bajada {
  margin: 0 0 var(--e-4);
  font-size: var(--t-chico);
  line-height: 1.5;
  color: var(--texto-medio);
  max-width: none;
}

.form-sesion__opcional {
  font-weight: 400;
  text-transform: none;
  letter-spacing: 0;
  font-size: 0.92em;
  color: var(--texto-tenue);
}

.form-sesion .campo-grupo:last-of-type {
  margin-bottom: var(--e-5);
}

.form-sesion__acciones {
  justify-content: flex-start;
  flex-wrap: wrap;
  gap: var(--e-2);
}

@media (max-width: 640px) {
  .form-sesion .campo-fila {
    grid-template-columns: minmax(0, 1fr);
  }
}
*/

/* Bloque de contacto: pegado al FAQ (evita doble padding de .seccion). */
#faq.seccion {
  padding-bottom: clamp(20px, 2.5vw, 36px);
}

#contacto.seccion {
  padding-top: clamp(12px, 1.5vw, 24px);
  padding-bottom: clamp(8px, 1.2vw, 16px);
}

/* ================================= Pie ================================= */

.pie {
  border-top: 1px solid var(--borde-suave);
  background: rgba(215, 221, 231, 0.6);
  padding-block: clamp(16px, 2.2vw, 24px);
  margin-top: 0;
}

/* Pie compacto (sin columnas): sin hueco extra encima del bloque inferior. */
.pie:not(:has(.pie__rejilla)) .pie__abajo {
  margin-top: 0;
  padding-top: 0;
  border-top: none;
}

.pie__rejilla {
  display: grid;
  grid-template-columns: minmax(0, 1.5fr) repeat(3, minmax(0, 1fr));
  gap: clamp(24px, 4vw, 48px);
}

.pie__titulo {
  font-family: var(--fuente-mono);
  font-size: var(--t-micro);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--texto-tenue);
  margin-bottom: var(--e-3);
}

.pie__lista {
  list-style: none;
  padding: 0;
  display: grid;
  gap: 9px;
}

.pie__lista li {
  margin: 0;
}

.pie__lista a {
  font-size: 0.86rem;
  color: var(--texto-suave);
}

.pie__lista a:hover {
  color: var(--texto);
}

.pie__abajo {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--e-3);
  margin-top: var(--e-8);
  padding-top: var(--e-5);
  border-top: 1px solid var(--borde-suave);
  font-size: clamp(15px, 1.05vw, 17px);
  line-height: 1.45;
  color: var(--texto-medio);
}

.pie__abajo p {
  margin: 0;
  font-size: inherit;
  color: inherit;
}

.pie__social {
  display: flex;
  gap: var(--e-2);
}

.pie__social a {
  display: grid;
  place-items: center;
  width: 34px;
  height: 34px;
  border-radius: 50%;
  border: 1px solid var(--borde);
  color: var(--texto-suave);
  transition: all var(--rapido) var(--curva);
}

.pie__social a:hover {
  color: var(--texto);
  border-color: var(--borde-fuerte);
  transform: translateY(-2px);
}

.pie__social svg {
  width: 16px;
  height: 16px;
}

/* =============================== Responsive ============================= */

@media (min-width: 1280px) {
  .riel {
    display: flex;
  }

  .seccion,
  .hero,
  .franja {
    padding-left: var(--riel);
  }
}

/* Portátiles de poca altura: el riel se compacta para no cortarse. */
@media (min-width: 1280px) and (max-height: 780px) {
  .riel {
    gap: 3px;
    padding-block: var(--e-3);
  }

  .riel__nodo {
    padding-block: 5px;
    font-size: 14px;
  }
}

@media (max-width: 1080px) {
  .hero__grid {
    grid-template-columns: minmax(0, 1fr);
  }

  .hero__copiar {
    max-width: none;
  }

  .lab {
    grid-template-columns: minmax(0, 1fr);
  }

  .lab__lateral {
    border-left: 0;
    border-top: 1px solid var(--borde-suave);
  }

  .lab__vista {
    max-height: 320px;
  }

  .bento > *,
  .bento .ancho-5,
  .bento .ancho-6,
  .bento .ancho-7,
  .bento .ancho-8 {
    grid-column: span 6;
  }

  .pipeline {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .dos-columnas {
    grid-template-columns: minmax(0, 1fr);
  }

  .pie__rejilla {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 980px) {
  .nav__enlaces {
    display: none;
  }

  .hamburguesa {
    display: flex;
  }

  /* Con menú móvil, los CTAs de la barra se repiten en el panel desplegable. */
  .nav:not(.nav--marca-cta) .nav__acciones .btn--fantasma,
  .nav:not(.nav--marca-cta) .nav__acciones .btn--primario {
    display: none;
  }

  .planes {
    grid-template-columns: minmax(0, 1fr);
  }
}

@media (max-width: 720px) {
  :root {
    --logo-nav-alto: 64px;
  }

  .nav--marca-cta .nav__interior {
    gap: var(--e-2);
  }

  .nav--marca-cta .logo-nav {
    height: clamp(32px, 8.8vw, 46px);
    max-width: min(48vw, 160px);
  }

  .nav--marca-cta .nav__acciones .btn {
    padding: 9px 14px;
    font-size: 14px;
  }

  .nav--marca-cta > .contenedor {
    padding-left: max(10px, env(safe-area-inset-left, 0px));
    padding-right: max(12px, env(safe-area-inset-right, 0px));
  }

  .bento > *,
  .bento .ancho-5,
  .bento .ancho-6,
  .bento .ancho-7,
  .bento .ancho-8 {
    grid-column: span 12;
  }

  .pipeline {
    grid-template-columns: minmax(0, 1fr);
  }

  .pie__rejilla {
    grid-template-columns: minmax(0, 1fr);
  }

  .campo-fila {
    grid-template-columns: minmax(0, 1fr);
  }

  .lab__cuerpo {
    min-height: 400px;
  }

  .nodo {
    width: 148px;
  }

  .hero__ctas .btn {
    width: 100%;
  }
}

@media (max-width: 520px) {
  .lab__cuerpo {
    min-height: 420px;
  }

  .cat__rejilla {
    grid-template-columns: minmax(0, 1fr);
  }
}

/* ================================= Impresión ============================= */

@media print {
  .nav,
  .riel,
  .halo-puntero,
  .progreso-flujo,
  .hero__canvas,
  .miga {
    display: none !important;
  }

  body {
    background: #fff;
    color: #000;
  }
}