/* ==========================================================================
   Tezeo SpA — Sistema de diseño (tema oscuro)
   Tokens de color derivados del degradado del logo: azul → violeta → morado.
   ========================================================================== */

/* ------------------------------- Tokens -------------------------------- */
:root {
  /* Marca (muestreada del logo) */
  --c-azul: #0a42ba;
  --c-indigo: #3433c1;
  --c-violeta: #6d2fd0;
  --c-morado: #8f2fc9;

  /* Acentos optimizados para fondo oscuro */
  --acento: #5b6cff;
  --acento-claro: #8b6bff;
  --acento-lila: #c084fc;
  --degradado: linear-gradient(120deg, #2b57e6 0%, #4433c9 38%, #6d2fd0 70%, #8f2fc9 100%);
  --degradado-suave: linear-gradient(120deg, rgba(43, 87, 230, .18), rgba(143, 47, 201, .18));

  /* Superficies */
  --bg: #080a14;
  --bg-alt: #0b0f1e;
  --superficie: #111528;
  --superficie-2: #161b33;
  --superficie-3: #1c2242;
  --borde: rgba(124, 58, 237, .22);
  --borde-fuerte: rgba(139, 107, 255, .45);

  /* Texto */
  --texto: #e9ebf8;
  --texto-suave: #b9c0dc;
  --texto-tenue: #8d96b8;

  /* Estados */
  --exito: #34d399;
  --alerta: #fbbf24;
  --peligro: #f87171;
  --info: #60a5fa;

  /* Formas */
  --radio-sm: 8px;
  --radio: 14px;
  --radio-lg: 22px;
  --radio-full: 999px;
  --sombra: 0 18px 50px rgba(4, 6, 18, .55);
  --sombra-glow: 0 0 0 1px rgba(139, 107, 255, .25), 0 20px 60px rgba(84, 26, 185, .35);

  /* Layout */
  --ancho: 1180px;
  --alto-header: 76px;

  /* Tipografía */
  --fuente-titulos: "Exo 2", "Segoe UI", system-ui, sans-serif;
  --fuente-texto: "Inter", "Segoe UI", system-ui, sans-serif;
}

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

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--texto);
  font-family: var(--fuente-texto);
  font-size: 16px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  background:
    radial-gradient(900px 500px at 12% -8%, rgba(43, 87, 230, .18), transparent 65%),
    radial-gradient(800px 520px at 88% 4%, rgba(143, 47, 201, .20), transparent 62%),
    radial-gradient(1100px 700px at 50% 110%, rgba(68, 51, 201, .14), transparent 70%);
  pointer-events: none;
}

h1, h2, h3, h4 {
  font-family: var(--fuente-titulos);
  line-height: 1.15;
  margin: 0 0 .6em;
  letter-spacing: -.01em;
  font-weight: 700;
}

h1 { font-size: clamp(2.1rem, 5vw, 3.4rem); }
h2 { font-size: clamp(1.6rem, 3.4vw, 2.4rem); }
h3 { font-size: clamp(1.15rem, 2vw, 1.4rem); }

p { margin: 0 0 1rem; color: var(--texto-suave); }

a {
  color: var(--acento-claro);
  text-decoration: none;
  transition: color .18s ease;
}
a:hover { color: var(--acento-lila); }

img { max-width: 100%; display: block; }

ul, ol { padding-left: 1.2rem; }

code, pre {
  font-family: ui-monospace, "Cascadia Code", Consolas, monospace;
  font-size: .9em;
}

pre {
  background: var(--superficie-2);
  border: 1px solid var(--borde);
  border-radius: var(--radio);
  padding: 14px 16px;
  overflow-x: auto;
}

:focus-visible {
  outline: 2px solid var(--acento-claro);
  outline-offset: 2px;
  border-radius: 4px;
}

.salto-contenido {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--superficie-2);
  padding: 10px 16px;
  z-index: 100;
}
.salto-contenido:focus { left: 12px; top: 12px; }

/* ------------------------------ Utilidades ----------------------------- */
.contenedor {
  width: 100%;
  max-width: var(--ancho);
  margin: 0 auto;
  padding: 0 22px;
}

.seccion { padding: clamp(56px, 8vw, 104px) 0; }
.seccion--alt { background: linear-gradient(180deg, transparent, rgba(17, 21, 40, .7) 20%, rgba(17, 21, 40, .7) 80%, transparent); }

.centrado { text-align: center; }
.oculto { display: none !important; }
.solo-lectores {
  position: absolute;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}

.texto-degradado {
  background: var(--degradado);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.antetitulo {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--fuente-titulos);
  font-size: .78rem;
  font-weight: 600;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--acento-claro);
  margin-bottom: 12px;
}
.antetitulo::before {
  content: "";
  width: 26px;
  height: 2px;
  background: var(--degradado);
  border-radius: 2px;
}

.parrafo-intro {
  font-size: 1.06rem;
  max-width: 68ch;
  color: var(--texto-suave);
}

/* ------------------------------- Botones ------------------------------- */
.boton {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  padding: 13px 24px;
  border: 0;
  border-radius: var(--radio-full);
  font-family: var(--fuente-titulos);
  font-size: .95rem;
  font-weight: 600;
  letter-spacing: .01em;
  cursor: pointer;
  transition: transform .16s ease, box-shadow .2s ease, background-color .2s ease, border-color .2s ease;
  text-align: center;
  white-space: nowrap;
}

.boton--primario {
  background: var(--degradado);
  color: #fff;
  box-shadow: 0 10px 30px rgba(84, 26, 185, .38);
}
.boton--primario:hover {
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 16px 40px rgba(84, 26, 185, .5);
}

.boton--contorno {
  background: transparent;
  color: var(--texto);
  border: 1px solid var(--borde-fuerte);
}
.boton--contorno:hover {
  color: var(--texto);
  background: rgba(139, 107, 255, .12);
  transform: translateY(-2px);
}

.boton--suave {
  background: var(--superficie-2);
  border: 1px solid var(--borde);
  color: var(--texto);
}
.boton--suave:hover { background: var(--superficie-3); color: var(--texto); }

.boton--peligro { background: rgba(248, 113, 113, .16); border: 1px solid rgba(248, 113, 113, .45); color: #fca5a5; }
.boton--peligro:hover { background: rgba(248, 113, 113, .26); color: #fecaca; }

.boton--chico { padding: 8px 15px; font-size: .84rem; }
.boton--bloque { width: 100%; }

.boton[disabled] { opacity: .55; cursor: not-allowed; transform: none; }

/* ------------------------------- Tarjetas ------------------------------ */
.tarjeta {
  position: relative;
  background: linear-gradient(180deg, rgba(22, 27, 51, .9), rgba(17, 21, 40, .9));
  border: 1px solid var(--borde);
  border-radius: var(--radio-lg);
  padding: 26px;
  transition: transform .2s ease, border-color .2s ease, box-shadow .2s ease;
}

.tarjeta--interactiva:hover {
  transform: translateY(-4px);
  border-color: var(--borde-fuerte);
  box-shadow: var(--sombra-glow);
}

.tarjeta__media {
  aspect-ratio: 16 / 9;
  border-radius: var(--radio);
  overflow: hidden;
  background: var(--degradado-suave);
  border: 1px solid var(--borde);
  display: grid;
  place-items: center;
  margin-bottom: 18px;
}
.tarjeta__media img { width: 100%; height: 100%; object-fit: cover; }

.tarjeta__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
  font-size: .8rem;
  color: var(--texto-tenue);
  margin-bottom: 10px;
}

.grilla { display: grid; gap: 22px; }
.grilla--2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grilla--3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grilla--4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }

/* ------------------------------- Etiquetas ----------------------------- */
.etiqueta {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 11px;
  border-radius: var(--radio-full);
  font-size: .74rem;
  font-weight: 600;
  letter-spacing: .04em;
  text-transform: uppercase;
  background: rgba(139, 107, 255, .14);
  border: 1px solid var(--borde);
  color: var(--acento-lila);
}
.etiqueta--azul { background: rgba(43, 87, 230, .16); color: #93b4ff; }
.etiqueta--exito { background: rgba(52, 211, 153, .14); color: var(--exito); border-color: rgba(52, 211, 153, .35); }
.etiqueta--alerta { background: rgba(251, 191, 36, .14); color: var(--alerta); border-color: rgba(251, 191, 36, .35); }
.etiqueta--peligro { background: rgba(248, 113, 113, .14); color: var(--peligro); border-color: rgba(248, 113, 113, .35); }
.etiqueta--neutro { background: rgba(148, 163, 184, .12); color: var(--texto-suave); border-color: rgba(148, 163, 184, .25); }

/* ------------------------------- Cabecera ------------------------------ */
.cabecera {
  position: sticky;
  top: 0;
  z-index: 60;
  backdrop-filter: blur(14px);
  background: rgba(8, 10, 20, .78);
  border-bottom: 1px solid transparent;
  transition: border-color .25s ease, background-color .25s ease;
}
.cabecera--con-scroll {
  border-bottom-color: var(--borde);
  background: rgba(8, 10, 20, .92);
}

.cabecera__interior {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  min-height: var(--alto-header);
}

.marca {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: var(--texto);
}
.marca:hover { color: var(--texto); }
.marca__logo { height: 46px; width: auto; }
.marca__texto { display: flex; flex-direction: column; line-height: 1.1; }
.marca__nombre {
  font-family: var(--fuente-titulos);
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: .02em;
}
.marca__bajada {
  font-size: .68rem;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--texto-tenue);
}

.nav { display: flex; align-items: center; gap: 4px; }
.nav__enlace {
  padding: 9px 14px;
  border-radius: var(--radio-full);
  color: var(--texto-suave);
  font-size: .93rem;
  font-weight: 500;
  transition: color .18s ease, background-color .18s ease;
}
.nav__enlace:hover { color: var(--texto); background: rgba(139, 107, 255, .1); }
.nav__enlace--activo {
  color: var(--texto);
  background: rgba(139, 107, 255, .16);
  box-shadow: inset 0 0 0 1px var(--borde-fuerte);
}

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

.boton-menu {
  display: none;
  width: 44px;
  height: 44px;
  border-radius: var(--radio);
  border: 1px solid var(--borde);
  background: var(--superficie-2);
  color: var(--texto);
  cursor: pointer;
  align-items: center;
  justify-content: center;
}
.boton-menu span, .boton-menu span::before, .boton-menu span::after {
  content: "";
  display: block;
  width: 20px;
  height: 2px;
  background: currentColor;
  border-radius: 2px;
  transition: transform .2s ease, opacity .2s ease;
}
.boton-menu span::before { transform: translateY(-6px); }
.boton-menu span::after { transform: translateY(4px); }
.boton-menu[aria-expanded="true"] span { background: transparent; }
.boton-menu[aria-expanded="true"] span::before { transform: rotate(45deg); }
.boton-menu[aria-expanded="true"] span::after { transform: rotate(-45deg) translateY(-2px); }

/* -------------------------------- Hero -------------------------------- */
.hero {
  position: relative;
  padding: clamp(52px, 7vw, 96px) 0 clamp(48px, 6vw, 84px);
  overflow: hidden;
}
.hero__interior {
  display: grid;
  grid-template-columns: 1.05fr .95fr;
  gap: clamp(28px, 5vw, 64px);
  align-items: center;
}
.hero__titulo { margin-bottom: 18px; }
.hero__acciones { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 26px; }

.hero__logo-caja {
  position: relative;
  display: grid;
  place-items: center;
}
.hero__logo { width: min(100%, 400px); height: auto; filter: drop-shadow(0 12px 40px rgba(109, 47, 208, .45)); }

.hero__datos {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
  margin-top: 34px;
}
.dato-clave {
  padding: 16px;
  border-radius: var(--radio);
  border: 1px solid var(--borde);
  background: rgba(22, 27, 51, .6);
}
.dato-clave strong {
  display: block;
  font-family: var(--fuente-titulos);
  font-size: 1.5rem;
  background: var(--degradado);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.dato-clave span { font-size: .82rem; color: var(--texto-tenue); }

/* ------------------------------- Secciones ----------------------------- */
.encabezado-seccion { max-width: 720px; margin-bottom: 42px; }
.encabezado-seccion--centrado { margin-left: auto; margin-right: auto; text-align: center; }

.pasos { counter-reset: paso; display: grid; gap: 18px; }
.paso {
  position: relative;
  padding: 22px 22px 22px 74px;
  border-radius: var(--radio-lg);
  border: 1px solid var(--borde);
  background: rgba(22, 27, 51, .55);
}
.paso::before {
  counter-increment: paso;
  content: counter(paso, decimal-leading-zero);
  position: absolute;
  left: 22px;
  top: 22px;
  font-family: var(--fuente-titulos);
  font-size: 1.1rem;
  font-weight: 700;
  background: var(--degradado);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.lista-check { list-style: none; padding: 0; display: grid; gap: 12px; }
.lista-check li {
  position: relative;
  padding-left: 32px;
  color: var(--texto-suave);
}
.lista-check li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .42em;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--degradado);
  box-shadow: 0 0 0 3px rgba(139, 107, 255, .16);
}
.lista-check li::after {
  content: "";
  position: absolute;
  left: 5.5px;
  top: .72em;
  width: 6px;
  height: 3px;
  border-left: 2px solid #fff;
  border-bottom: 2px solid #fff;
  transform: rotate(-45deg);
}

.linea-tiempo { display: grid; gap: 20px; }
.linea-tiempo__item {
  display: grid;
  grid-template-columns: 150px 1fr;
  gap: 22px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--borde);
}
.linea-tiempo__fecha { font-family: var(--fuente-titulos); color: var(--acento-claro); font-weight: 600; }

.filtros { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 28px; }
.filtro {
  padding: 8px 16px;
  border-radius: var(--radio-full);
  border: 1px solid var(--borde);
  background: transparent;
  color: var(--texto-suave);
  cursor: pointer;
  font-size: .88rem;
  font-family: var(--fuente-texto);
  transition: all .18s ease;
}
.filtro:hover { color: var(--texto); border-color: var(--borde-fuerte); }
.filtro[aria-pressed="true"] {
  background: var(--degradado);
  color: #fff;
  border-color: transparent;
}

.vacio {
  padding: 40px 24px;
  border-radius: var(--radio-lg);
  border: 1px dashed var(--borde-fuerte);
  text-align: center;
  color: var(--texto-tenue);
}

.esqueleto {
  border-radius: var(--radio-lg);
  background: linear-gradient(100deg, var(--superficie) 20%, var(--superficie-2) 40%, var(--superficie) 60%);
  background-size: 220% 100%;
  animation: brillo 1.4s ease-in-out infinite;
  min-height: 220px;
}
@keyframes brillo {
  0% { background-position: 120% 0; }
  100% { background-position: -40% 0; }
}

/* -------------------------------- Formularios -------------------------- */
.campo { display: grid; gap: 7px; margin-bottom: 18px; }
.campo__etiqueta {
  font-size: .85rem;
  font-weight: 600;
  color: var(--texto-suave);
  letter-spacing: .02em;
}
.campo__ayuda { font-size: .78rem; color: var(--texto-tenue); }
.campo__error { font-size: .8rem; color: var(--peligro); min-height: 1em; }

.entrada,
.selector,
.area {
  width: 100%;
  padding: 12px 15px;
  border-radius: var(--radio);
  border: 1px solid var(--borde);
  background: rgba(11, 15, 30, .85);
  color: var(--texto);
  font-family: var(--fuente-texto);
  font-size: .95rem;
  transition: border-color .18s ease, box-shadow .18s ease;
}
.entrada::placeholder, .area::placeholder { color: var(--texto-tenue); }
.entrada:focus, .selector:focus, .area:focus {
  outline: none;
  border-color: var(--borde-fuerte);
  box-shadow: 0 0 0 3px rgba(139, 107, 255, .16);
}
.area { min-height: 140px; resize: vertical; }
.selector { appearance: none; background-image: linear-gradient(45deg, transparent 50%, var(--texto-tenue) 50%), linear-gradient(135deg, var(--texto-tenue) 50%, transparent 50%); background-position: calc(100% - 20px) 50%, calc(100% - 15px) 50%; background-size: 5px 5px, 5px 5px; background-repeat: no-repeat; }

.interruptor { display: inline-flex; align-items: center; gap: 10px; cursor: pointer; font-size: .9rem; color: var(--texto-suave); }
.interruptor input { width: 18px; height: 18px; accent-color: var(--acento); }

.aviso {
  display: flex;
  gap: 12px;
  padding: 14px 16px;
  border-radius: var(--radio);
  border: 1px solid var(--borde);
  background: rgba(139, 107, 255, .1);
  font-size: .9rem;
  color: var(--texto-suave);
}
.aviso--exito { border-color: rgba(52, 211, 153, .4); background: rgba(52, 211, 153, .1); color: #a7f3d0; }
.aviso--error { border-color: rgba(248, 113, 113, .4); background: rgba(248, 113, 113, .1); color: #fecaca; }
.aviso--alerta { border-color: rgba(251, 191, 36, .4); background: rgba(251, 191, 36, .1); color: #fde68a; }

.trampa { position: absolute; left: -9999px; opacity: 0; }

/* -------------------------------- Pie ---------------------------------- */
.pie {
  border-top: 1px solid var(--borde);
  background: linear-gradient(180deg, transparent, rgba(11, 15, 30, .9));
  padding: 56px 0 26px;
  margin-top: 40px;
}
.pie__grilla {
  display: grid;
  grid-template-columns: 1.4fr repeat(3, 1fr);
  gap: 34px;
}
.pie__logo { height: 58px; margin-bottom: 14px; }
.pie__titulo {
  font-family: var(--fuente-titulos);
  font-size: .82rem;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--texto-tenue);
  margin-bottom: 14px;
}
.pie__lista { list-style: none; padding: 0; display: grid; gap: 9px; font-size: .92rem; }
.pie__lista a { color: var(--texto-suave); }
.pie__lista a:hover { color: var(--acento-lila); }
.pie__base {
  margin-top: 38px;
  padding-top: 20px;
  border-top: 1px solid var(--borde);
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 12px;
  font-size: .84rem;
  color: var(--texto-tenue);
}

/* ------------------------------ Animaciones ---------------------------- */
.revelar {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity .6s ease, transform .6s ease;
}
.revelar--visible { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .revelar { opacity: 1; transform: none; transition: none; }
  .esqueleto { animation: none; }
}

/* ------------------------------ Responsive ----------------------------- */
@media (max-width: 1024px) {
  .grilla--4 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .pie__grilla { grid-template-columns: repeat(2, 1fr); }
  .hero__interior { grid-template-columns: 1fr; }
  .hero__logo-caja { order: -1; }
}

@media (max-width: 860px) {
  .boton-menu { display: inline-flex; }
  .nav {
    position: fixed;
    inset: var(--alto-header) 0 auto;
    flex-direction: column;
    align-items: stretch;
    gap: 2px;
    padding: 18px 22px 26px;
    background: var(--bg-alt);
    box-shadow: 0 24px 50px rgba(4, 6, 18, .6);
    border-bottom: 1px solid var(--borde);
    transform: translateY(-12px);
    opacity: 0;
    pointer-events: none;
    transition: opacity .2s ease, transform .2s ease;
    max-height: calc(100vh - var(--alto-header));
    overflow-y: auto;
  }
  .nav--abierto { opacity: 1; transform: none; pointer-events: auto; }
  .nav__enlace { padding: 13px 16px; font-size: 1rem; }
  .grilla--2, .grilla--3 { grid-template-columns: 1fr; }
  .linea-tiempo__item { grid-template-columns: 1fr; gap: 6px; }
}

@media (max-width: 520px) {
  .grilla--4 { grid-template-columns: 1fr; }
  .pie__grilla { grid-template-columns: 1fr; }
  .hero__datos { grid-template-columns: 1fr; }
  .tarjeta { padding: 20px; }
}