/* aleu · hoja de estilos del sitio público
 *
 * Tokens de marca: la fuente de verdad es el skill aleu-brand (tema dark). Aquí se duplican a
 * propósito (decisión D-31 en aleu/docs/decisiones.md): si cambian allá, se cambian aquí.
 * El sitio es de un solo mundo visual, negro cinematográfico; no hay tema claro.
 *
 * Movimiento: lento, suave, nunca agresivo. Todo lo animado tiene su versión estática para
 * prefers-reduced-motion y para navegadores sin JavaScript.
 */

@font-face {
  font-family: "Inter";
  font-style: normal;
  font-weight: 300 700;
  font-display: swap;
  src: url("/assets/fonts/inter-latin-var.woff2") format("woff2");
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304,
    U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}

/* Métricas de Arial ajustadas a Inter: evita el salto de layout mientras carga la fuente. */
@font-face {
  font-family: "Inter Fallback";
  src: local("Arial"), local("Helvetica Neue"), local("Helvetica");
  ascent-override: 90.2%;
  descent-override: 22.48%;
  line-gap-override: 0%;
  size-adjust: 107.4%;
}

:root {
  color-scheme: dark;

  --aleu-bg-primary: #050505;
  --aleu-bg-secondary: #111111;
  --aleu-surface: #1a1a1a;
  --aleu-text-primary: #f5f5f5;
  --aleu-text-secondary: #b8b8b8;
  --aleu-text-tertiary: #8a8a8a;
  --aleu-accent: #4d7cfe;
  --aleu-accent-text: #4d7cfe;
  --aleu-accent-mint: #6ef7d9;
  --aleu-glass-bg: rgba(26, 26, 26, 0.7);
  --aleu-glass-border: rgba(245, 245, 245, 0.08);
  --aleu-border-strong: rgba(245, 245, 245, 0.14);
  --aleu-error: #ff8a8a;

  --aleu-font: "Inter", "Inter Fallback", -apple-system, "SF Pro Display", "Segoe UI", sans-serif;

  --ease-cinematic: cubic-bezier(0.25, 0.1, 0.25, 1);
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);

  --max-width: 1200px;
  --gutter: clamp(20px, 5vw, 48px);
  --section-space: clamp(96px, 11vw, 150px);
  --radius: 22px;

  interpolate-size: allow-keywords;
}

/* Base ------------------------------------------------------------------------------ */

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

* {
  margin: 0;
}

html {
  background: var(--aleu-bg-primary);
  scroll-padding-top: 88px;
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
}

html.menu-open {
  overflow: hidden;
}

@media (prefers-reduced-motion: no-preference) {
  html {
    scroll-behavior: smooth;
  }
}

body {
  min-height: 100vh;
  background: var(--aleu-bg-primary);
  color: var(--aleu-text-secondary);
  font-family: var(--aleu-font);
  font-size: 17px;
  font-weight: 400;
  line-height: 1.65;
  font-optical-sizing: auto;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  overflow-x: clip;
}

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

a {
  color: inherit;
  text-decoration: none;
}

button,
input,
select,
textarea {
  font: inherit;
  color: inherit;
}

ul,
ol {
  padding: 0;
}

h1,
h2,
h3,
dt {
  color: var(--aleu-text-primary);
  font-weight: 600;
  text-wrap: balance;
}

p {
  text-wrap: pretty;
}

::selection {
  background: rgba(77, 124, 254, 0.35);
  color: var(--aleu-text-primary);
}

:focus-visible {
  outline: 2px solid var(--aleu-accent);
  outline-offset: 3px;
  border-radius: 6px;
}

[hidden] {
  display: none !important;
}

.visually-hidden {
  position: absolute !important;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}

.skip-link {
  position: fixed;
  top: 12px;
  left: 12px;
  z-index: 100;
  padding: 10px 16px;
  border-radius: 10px;
  background: var(--aleu-text-primary);
  color: var(--aleu-bg-primary);
  font-weight: 600;
  font-size: 14px;
  transform: translateY(-160%);
  transition: transform 0.3s var(--ease-cinematic);
}

.skip-link:focus {
  transform: none;
}

.container {
  width: min(100% - 2 * var(--gutter), var(--max-width));
  margin-inline: auto;
}

/* Botones y enlaces ------------------------------------------------------------------ */

.button {
  --height: 46px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  height: var(--height);
  padding: 0 22px;
  border: 1px solid transparent;
  border-radius: 999px;
  font-size: 15px;
  font-weight: 600;
  letter-spacing: -0.01em;
  white-space: nowrap;
  cursor: pointer;
  transition:
    background-color 0.35s var(--ease-cinematic),
    border-color 0.35s var(--ease-cinematic),
    box-shadow 0.35s var(--ease-cinematic),
    color 0.35s var(--ease-cinematic),
    transform 0.35s var(--ease-cinematic);
}

.button--large {
  --height: 52px;
  padding: 0 26px;
  font-size: 16px;
}

.button--compact {
  --height: 38px;
  padding: 0 18px;
  font-size: 14px;
}

/* Texto oscuro sobre Electric Blue: 5,5:1 de contraste (blanco daría 3,7:1, bajo AA). */
.button--primary {
  background: var(--aleu-accent);
  color: var(--aleu-bg-primary);
  box-shadow:
    0 0 0 1px rgba(77, 124, 254, 0.35),
    0 10px 32px -12px rgba(77, 124, 254, 0.75);
}

.button--primary:hover {
  background: #6890ff;
  box-shadow:
    0 0 0 1px rgba(104, 144, 255, 0.5),
    0 14px 40px -10px rgba(77, 124, 254, 0.85);
}

.button--secondary {
  background: rgba(245, 245, 245, 0.04);
  border-color: var(--aleu-border-strong);
  color: var(--aleu-text-primary);
}

.button--secondary:hover {
  background: rgba(245, 245, 245, 0.08);
  border-color: rgba(245, 245, 245, 0.24);
}

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

.button__icon {
  width: 15px;
  height: 15px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.7;
  stroke-linecap: round;
  stroke-linejoin: round;
  transition: transform 0.35s var(--ease-cinematic);
}

.button:hover .button__icon {
  transform: translateX(3px);
}

.button[aria-busy="true"] {
  pointer-events: none;
  opacity: 0.85;
}

.button[aria-busy="true"] .button__icon {
  display: none;
}

.button[aria-busy="true"]::after {
  content: "";
  width: 15px;
  height: 15px;
  border: 1.7px solid currentColor;
  border-right-color: transparent;
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

.arrow-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--aleu-text-primary);
  font-size: 15px;
  font-weight: 500;
  transition: color 0.3s var(--ease-cinematic);
}

.arrow-link svg {
  width: 14px;
  height: 14px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.7;
  stroke-linecap: round;
  stroke-linejoin: round;
  transition: transform 0.3s var(--ease-cinematic);
}

.arrow-link:hover {
  color: var(--aleu-accent-text);
}

.arrow-link:hover svg {
  transform: translateX(3px);
}

/* Cabecera --------------------------------------------------------------------------- */

.site-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 50;
  border-bottom: 1px solid transparent;
  transition:
    background-color 0.5s var(--ease-cinematic),
    border-color 0.5s var(--ease-cinematic),
    backdrop-filter 0.5s var(--ease-cinematic);
}

.site-header.is-floating,
.site-header.is-open {
  background: rgba(5, 5, 5, 0.72);
  border-bottom-color: var(--aleu-glass-border);
  -webkit-backdrop-filter: saturate(160%) blur(18px);
  backdrop-filter: saturate(160%) blur(18px);
}

.header__inner {
  display: flex;
  align-items: center;
  gap: 36px;
  width: min(100% - 2 * var(--gutter), var(--max-width));
  height: 68px;
  margin-inline: auto;
}

.header__brand img {
  width: auto;
  height: 26px;
}

.header__nav {
  margin-left: auto;
}

.header__links {
  display: flex;
  align-items: center;
  gap: 32px;
  list-style: none;
}

.header__links a:not(.button) {
  font-size: 14px;
  color: var(--aleu-text-secondary);
  transition: color 0.3s var(--ease-cinematic);
}

.header__links a:not(.button):hover,
.header__links a[aria-current="true"] {
  color: var(--aleu-text-primary);
}

.header__cta-mobile,
.header__menu {
  display: none;
}

@media (max-width: 860px) {
  .header__inner {
    gap: 12px;
  }

  .header__nav {
    margin-left: auto;
  }

  .header__menu {
    display: grid;
    place-content: center;
    gap: 6px;
    width: 44px;
    height: 44px;
    margin-right: -10px;
    padding: 0;
    border: 0;
    background: none;
    cursor: pointer;
  }

  .header__menu-line {
    display: block;
    width: 20px;
    height: 1.5px;
    border-radius: 2px;
    background: var(--aleu-text-primary);
    transition: transform 0.4s var(--ease-cinematic);
  }

  .header__menu[aria-expanded="true"] .header__menu-line:first-of-type {
    transform: translateY(3.75px) rotate(45deg);
  }

  .header__menu[aria-expanded="true"] .header__menu-line:last-of-type {
    transform: translateY(-3.75px) rotate(-45deg);
  }

  .header__links {
    position: fixed;
    inset: 68px 0 auto;
    height: calc(100dvh - 68px);
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 24px var(--gutter) 40px;
    background: rgba(5, 5, 5, 0.97);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-8px);
    transition:
      opacity 0.4s var(--ease-cinematic),
      transform 0.4s var(--ease-cinematic),
      visibility 0s linear 0.4s;
  }

  .site-header.is-open .header__links {
    opacity: 1;
    visibility: visible;
    transform: none;
    transition:
      opacity 0.4s var(--ease-cinematic),
      transform 0.4s var(--ease-cinematic);
  }

  .header__links li {
    border-bottom: 1px solid var(--aleu-glass-border);
  }

  .header__links a:not(.button) {
    display: block;
    padding: 18px 0;
    font-size: 24px;
    font-weight: 500;
    letter-spacing: -0.02em;
    color: var(--aleu-text-primary);
  }

  .header__cta-mobile {
    display: block;
    margin-top: 32px;
    border-bottom: 0 !important;
  }

  .header__cta-mobile .button {
    width: 100%;
    --height: 52px;
    font-size: 16px;
  }
}

@media (max-width: 420px) {
  .header__cta {
    display: none;
  }
}

/* Hero ------------------------------------------------------------------------------- */

.hero {
  position: relative;
  isolation: isolate;
  display: grid;
  place-items: center;
  min-height: 100svh;
  padding: 136px 0 112px;
  overflow: hidden;
  text-align: center;
}

.hero__field {
  position: absolute;
  inset: 0;
  z-index: -2;
  width: 100%;
  height: 100%;
  -webkit-mask-image: radial-gradient(ellipse 80% 70% at 50% 44%, #000 25%, transparent 78%);
  mask-image: radial-gradient(ellipse 80% 70% at 50% 44%, #000 25%, transparent 78%);
}

.hero__light {
  position: absolute;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background:
    radial-gradient(ellipse 46% 42% at 50% 0%, rgba(77, 124, 254, 0.16), transparent 72%),
    linear-gradient(to bottom, transparent 70%, var(--aleu-bg-primary));
}

.hero__scroll-cue {
  position: absolute;
  bottom: 28px;
  left: 50%;
  width: 1px;
  height: 52px;
  overflow: hidden;
  background: linear-gradient(to bottom, transparent, rgba(245, 245, 245, 0.28));
  translate: -50% 0;
}

.hero__scroll-cue::after {
  content: "";
  position: absolute;
  top: 0;
  left: -1px;
  width: 3px;
  height: 14px;
  border-radius: 2px;
  background: var(--aleu-accent);
  opacity: 0;
}

@media (prefers-reduced-motion: no-preference) {
  .hero__scroll-cue::after {
    animation: scroll-cue 2.6s var(--ease-cinematic) 1.5s infinite;
  }
}

@keyframes scroll-cue {
  0% {
    opacity: 0;
    transform: translateY(-14px);
  }

  30% {
    opacity: 1;
  }

  100% {
    opacity: 0;
    transform: translateY(52px);
  }
}

.hero__inner {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.pill {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 7px 15px 7px 12px;
  border: 1px solid var(--aleu-glass-border);
  border-radius: 999px;
  background: rgba(17, 17, 17, 0.6);
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
  color: var(--aleu-text-secondary);
  font-size: 13px;
  letter-spacing: 0.01em;
}

.pill__dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--aleu-accent-mint);
  box-shadow: 0 0 10px rgba(110, 247, 217, 0.7);
}

.hero__title {
  margin-top: 30px;
  font-size: clamp(34px, calc(11vw - 5px), 80px);
  line-height: 1.04;
  letter-spacing: -0.045em;
  text-wrap: balance;
}

.hero__lead {
  max-width: 620px;
  margin-top: 30px;
  color: var(--aleu-text-secondary);
  font-size: clamp(17px, 1.55vw, 20px);
  line-height: 1.6;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px;
  margin-top: 40px;
}

.hero__note {
  margin-top: 18px;
  color: var(--aleu-text-tertiary);
  font-size: 13px;
}

/* El titular: tres frases que se turnan en el mismo lugar.
 * Modo estático (sin JS o con movimiento reducido): la frase completa, "tenga sentido, funcione y
 * se quede", con las tres promesas subrayadas.
 * Modo animado: cada frase entra en su propia línea, se subraya y enciende su servicio en la
 * etiqueta de arriba. El subrayado es el mismo trazo azul en los dos modos. */

.rotator {
  --stroke: max(2px, 0.055em);
}

.rotator__word {
  padding-bottom: 0.02em;
  background-image: linear-gradient(var(--aleu-accent), var(--aleu-accent));
  background-repeat: no-repeat;
  background-position: 0 100%;
  background-size: 100% var(--stroke);
  white-space: nowrap;
}

.pill__service {
  transition: color 0.6s var(--ease-cinematic);
}

@media (scripting: enabled) and (prefers-reduced-motion: no-preference) {
  .rotator,
  .rotator__slot {
    display: grid;
    justify-items: center;
  }

  .rotator__word {
    grid-area: 1 / 1;
    opacity: 0;
    filter: blur(10px);
    transform: translate3d(0, 0.32em, 0);
    background-size: 0% var(--stroke);
  }

  /* La coma y la "y" solo hacen falta en la frase completa: se leen, pero no se ven. */
  .rotator__sep {
    position: absolute;
    width: 1px;
    height: 1px;
    overflow: hidden;
    clip: rect(0 0 0 0);
    white-space: nowrap;
  }

  .rotator:not(.is-started) .rotator__word:first-child,
  .rotator__word.is-active {
    opacity: 1;
    filter: none;
    transform: none;
    transition:
      opacity 0.8s var(--ease-cinematic),
      transform 1.1s var(--ease-out),
      filter 0.8s var(--ease-cinematic),
      background-size 1.2s var(--ease-out) 0.45s;
  }

  .rotator__word.is-active {
    background-size: 100% var(--stroke);
  }

  /* Sale con su subrayado puesto; al terminar vuelve al estado base sin transición. */
  .rotator__word.is-leaving {
    opacity: 0;
    filter: blur(10px);
    transform: translate3d(0, -0.32em, 0);
    background-size: 100% var(--stroke);
    transition:
      opacity 0.8s var(--ease-cinematic),
      transform 1.1s var(--ease-out),
      filter 0.8s var(--ease-cinematic);
  }

  .pill__service.is-active {
    color: var(--aleu-accent);
  }

  .hero__pill,
  .hero__lead,
  .hero__actions,
  .hero__note {
    animation: rise-in 1.1s var(--ease-cinematic) both;
  }

  .hero__pill {
    animation-delay: 0.05s;
  }

  .hero__title {
    animation: rise-in 1.1s var(--ease-cinematic) 0.15s both;
  }

  .hero__lead {
    animation-delay: 0.35s;
  }

  .hero__actions {
    animation-delay: 0.5s;
  }

  .hero__note {
    animation-delay: 0.65s;
  }

  .pill__dot {
    animation: pulse 3.2s var(--ease-cinematic) infinite;
  }
}

/* Secciones -------------------------------------------------------------------------- */

.section {
  position: relative;
  padding-block: var(--section-space);
}

.heading-group {
  max-width: 780px;
}

.eyebrow {
  display: flex;
  align-items: center;
  gap: 14px;
  color: var(--aleu-text-secondary);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.eyebrow::before {
  content: "";
  width: 28px;
  height: 1px;
  background: var(--aleu-accent);
}

.section-title {
  margin-top: 22px;
  font-size: clamp(32px, 4.6vw, 58px);
  line-height: 1.06;
  letter-spacing: -0.04em;
}

.lead {
  max-width: 640px;
  margin-top: 24px;
  color: var(--aleu-text-secondary);
  font-size: clamp(17px, 1.45vw, 19px);
}

/* Problema: las costuras ------------------------------------------------------------- */

.section--problem {
  border-top: 1px solid var(--aleu-glass-border);
}

.seams {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-top: 88px;
  padding-bottom: 48px;
}

.seams__piece {
  padding: 14px 24px;
  border: 1px solid var(--aleu-border-strong);
  border-radius: 999px;
  background: var(--aleu-bg-secondary);
  color: var(--aleu-text-primary);
  font-size: 15px;
  font-weight: 500;
  letter-spacing: -0.01em;
  white-space: nowrap;
  transition:
    border-color 0.9s var(--ease-cinematic) 0.6s,
    box-shadow 0.9s var(--ease-cinematic) 0.6s;
}

.seams__joint {
  position: relative;
  width: 72px;
  height: 1px;
  background-image: repeating-linear-gradient(90deg, rgba(245, 245, 245, 0.32) 0 5px, transparent 5px 11px);
  transition: width 1.1s var(--ease-out) 0.2s;
}

.seams__joint::after {
  content: "";
  position: absolute;
  inset: 0;
  background: var(--aleu-accent);
  box-shadow: 0 0 12px rgba(77, 124, 254, 0.8);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.9s var(--ease-out) 0.7s;
}

.seams__label {
  position: absolute;
  bottom: 0;
  left: 50%;
  translate: -50% 0;
  color: var(--aleu-text-tertiary);
  font-size: 13px;
  letter-spacing: 0.02em;
  white-space: nowrap;
  opacity: 0;
  transition: opacity 0.9s var(--ease-cinematic) 1.3s;
}

.seams.is-visible .seams__joint,
html:not(.is-ready) .seams .seams__joint {
  width: 28px;
}

.seams.is-visible .seams__joint::after,
html:not(.is-ready) .seams .seams__joint::after {
  transform: scaleX(1);
}

.seams.is-visible .seams__piece,
html:not(.is-ready) .seams .seams__piece {
  border-color: rgba(77, 124, 254, 0.55);
  box-shadow: 0 0 28px -8px rgba(77, 124, 254, 0.45);
}

.seams.is-visible .seams__label,
html:not(.is-ready) .seams .seams__label {
  opacity: 1;
}

@media (max-width: 600px) {
  .seams {
    flex-direction: column;
    padding-bottom: 44px;
  }

  .seams__joint {
    width: 1px;
    height: 44px;
    background-image: repeating-linear-gradient(180deg, rgba(245, 245, 245, 0.32) 0 5px, transparent 5px 11px);
    transition: height 1.1s var(--ease-out) 0.2s;
  }

  .seams__joint::after {
    transform: scaleY(0);
    transform-origin: top;
  }

  .seams.is-visible .seams__joint,
  html:not(.is-ready) .seams .seams__joint {
    width: 1px;
    height: 20px;
  }

  .seams.is-visible .seams__joint::after,
  html:not(.is-ready) .seams .seams__joint::after {
    transform: scaleY(1);
  }
}

.stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 24px 48px;
  margin-top: 96px;
}

.stat {
  padding-top: 32px;
  border-top: 1px solid var(--aleu-border-strong);
}

.stat__value {
  color: var(--aleu-text-primary);
  font-size: clamp(64px, 9vw, 120px);
  font-weight: 600;
  line-height: 1;
  letter-spacing: -0.055em;
  font-variant-numeric: tabular-nums;
}

.stat__text {
  max-width: 440px;
  margin-top: 18px;
  font-size: 16px;
}

.stat__source {
  display: block;
  margin-top: 14px;
  font-size: 13px;
  font-style: normal;
}

.stat__source a {
  color: var(--aleu-text-tertiary);
  text-decoration: underline;
  text-decoration-color: rgba(138, 138, 138, 0.4);
  text-underline-offset: 3px;
  transition: color 0.3s var(--ease-cinematic);
}

.stat__source a:hover {
  color: var(--aleu-text-primary);
}

.closing-line {
  margin-top: 112px;
  color: var(--aleu-text-primary);
  font-size: clamp(26px, 3.4vw, 42px);
  font-weight: 600;
  line-height: 1.15;
  letter-spacing: -0.035em;
  text-align: center;
  text-wrap: balance;
}

.closing-line span {
  color: var(--aleu-text-tertiary);
}

/* Tarjetas --------------------------------------------------------------------------- */

.card {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  border: 1px solid var(--aleu-glass-border);
  border-radius: var(--radius);
  background: linear-gradient(180deg, rgba(26, 26, 26, 0.62), rgba(17, 17, 17, 0.62));
  transition: border-color 0.45s var(--ease-cinematic);
}

.card::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background: radial-gradient(440px circle at var(--mx, 50%) var(--my, -30%), rgba(77, 124, 254, 0.13), transparent 46%);
  opacity: 0;
  transition: opacity 0.45s var(--ease-cinematic);
}

.card:hover {
  border-color: rgba(245, 245, 245, 0.15);
}

.card:hover::before {
  opacity: 1;
}

.icon {
  width: 28px;
  height: 28px;
  fill: none;
  stroke: var(--aleu-accent);
  stroke-width: 1.4;
  stroke-linecap: round;
  stroke-linejoin: round;
}

/* Servicios -------------------------------------------------------------------------- */

.services {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
  margin-top: 80px;
}

.service {
  display: flex;
  flex-direction: column;
  padding: 36px 32px 34px;
}

.service__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.service__number {
  color: var(--aleu-text-tertiary);
  font-size: 13px;
  letter-spacing: 0.1em;
  font-variant-numeric: tabular-nums;
}

.service__title {
  margin-top: 56px;
  font-size: 26px;
  line-height: 1.2;
  letter-spacing: -0.03em;
}

.service__promise {
  margin-top: 12px;
  font-size: 16px;
}

.bullet-list {
  display: grid;
  gap: 12px;
  line-height: 24px;
  margin-top: 28px;
  padding-top: 26px;
  border-top: 1px solid var(--aleu-glass-border);
  list-style: none;
  font-size: 15px;
}

.bullet-list li {
  position: relative;
  padding-left: 24px;
  color: var(--aleu-text-secondary);
}

.bullet-list li::before {
  content: "";
  position: absolute;
  top: 11px;
  left: 0;
  width: 10px;
  height: 1px;
  background: var(--aleu-accent);
}

.service .arrow-link {
  margin-top: auto;
  padding-top: 36px;
}

.services__footer {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 8px 16px;
  margin-top: 48px;
  color: var(--aleu-text-secondary);
  font-size: 16px;
  text-align: center;
}

/* Enfoque ---------------------------------------------------------------------------- */

.section--approach {
  background:
    radial-gradient(ellipse 50% 38% at 50% 58%, rgba(77, 124, 254, 0.06), transparent 70%),
    var(--aleu-bg-primary);
}

.stages {
  --progress: 0;
  position: relative;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 32px;
  margin-top: 88px;
  list-style: none;
}

.stages::before,
.stages::after {
  content: "";
  position: absolute;
  top: 6px;
  left: 0;
  right: 0;
  height: 1px;
  background: var(--aleu-border-strong);
}

.stages::after {
  background: var(--aleu-accent);
  box-shadow: 0 0 10px rgba(77, 124, 254, 0.7);
  transform: scaleX(var(--progress));
  transform-origin: left;
}

.stage {
  position: relative;
  padding-top: 44px;
}

.stage__node {
  position: absolute;
  top: 0;
  left: 0;
  width: 13px;
  height: 13px;
  border: 1px solid rgba(245, 245, 245, 0.3);
  border-radius: 50%;
  background: var(--aleu-bg-primary);
  transition:
    background-color 0.5s var(--ease-cinematic),
    border-color 0.5s var(--ease-cinematic),
    box-shadow 0.5s var(--ease-cinematic);
}

.stage.is-active .stage__node,
html:not(.is-ready) .stage__node {
  border-color: var(--aleu-accent);
  background: var(--aleu-accent);
  box-shadow:
    0 0 0 5px rgba(77, 124, 254, 0.14),
    0 0 22px rgba(77, 124, 254, 0.6);
}

.stage__number {
  color: var(--aleu-text-tertiary);
  font-size: 13px;
  letter-spacing: 0.1em;
  font-variant-numeric: tabular-nums;
}

.stage__title {
  margin-top: 8px;
  font-size: 24px;
  letter-spacing: -0.03em;
}

.stage__text {
  margin-top: 12px;
  font-size: 15px;
}

.stage__deliverable {
  margin-top: 24px;
  padding: 14px 16px;
  border: 1px solid var(--aleu-glass-border);
  border-radius: 14px;
  background: rgba(17, 17, 17, 0.7);
  color: var(--aleu-text-primary);
  font-size: 14px;
  line-height: 1.45;
}

.stage__deliverable span {
  display: block;
  margin-bottom: 6px;
  color: var(--aleu-text-tertiary);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

@media (max-width: 960px) {
  .stages {
    grid-template-columns: 1fr;
    gap: 40px;
    padding-left: 40px;
  }

  .stages::before,
  .stages::after {
    top: 6px;
    bottom: 6px;
    left: 6px;
    right: auto;
    width: 1px;
    height: auto;
  }

  .stages::after {
    transform: scaleY(var(--progress));
    transform-origin: top;
  }

  .stage {
    padding-top: 0;
  }

  .stage__node {
    top: 4px;
    left: -40px;
  }

  .stage__text {
    max-width: 520px;
  }

  .stage__deliverable {
    max-width: 520px;
  }
}

/* Casos de uso ----------------------------------------------------------------------- */

.use-cases {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
  margin-top: 80px;
  list-style: none;
}

.use-case {
  padding: 32px 30px 34px;
}

.use-case__title {
  margin-top: 40px;
  font-size: 19px;
  line-height: 1.3;
  letter-spacing: -0.02em;
}

.use-case__text {
  margin-top: 10px;
  font-size: 15px;
}

/* Principios y preguntas: dos columnas, encabezado fijo ------------------------------ */

.principles,
.faq,
.contact {
  display: grid;
  grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
  gap: 48px 80px;
  align-items: start;
}

.principles__header,
.faq__header {
  position: sticky;
  top: 128px;
}

.section--principles {
  border-top: 1px solid var(--aleu-glass-border);
}

.principles__list {
  display: grid;
}

.principle {
  padding: 34px 0;
  border-top: 1px solid var(--aleu-glass-border);
}

.principle:last-child {
  border-bottom: 1px solid var(--aleu-glass-border);
}

.principle dt {
  font-size: clamp(22px, 2.2vw, 28px);
  line-height: 1.2;
  letter-spacing: -0.03em;
}

.principle dd {
  max-width: 540px;
  margin-top: 10px;
}

.accordion {
  border-bottom: 1px solid var(--aleu-glass-border);
}

.question {
  border-top: 1px solid var(--aleu-glass-border);
}

.question summary {
  position: relative;
  padding: 26px 56px 26px 0;
  color: var(--aleu-text-primary);
  font-size: 18px;
  font-weight: 500;
  line-height: 1.4;
  letter-spacing: -0.015em;
  list-style: none;
  cursor: pointer;
  transition: color 0.3s var(--ease-cinematic);
}

.question summary::-webkit-details-marker {
  display: none;
}

.question summary::after {
  content: "";
  position: absolute;
  top: 50%;
  right: 6px;
  width: 14px;
  height: 14px;
  margin-top: -7px;
  background:
    linear-gradient(currentColor, currentColor) center / 14px 1.5px no-repeat,
    linear-gradient(currentColor, currentColor) center / 1.5px 14px no-repeat;
  color: var(--aleu-text-secondary);
  transition:
    transform 0.45s var(--ease-cinematic),
    color 0.3s var(--ease-cinematic);
}

.question summary:hover::after,
.question[open] summary::after {
  color: var(--aleu-accent);
}

.question[open] summary::after {
  transform: rotate(45deg);
}

.question p {
  padding: 0 56px 30px 0;
  max-width: 640px;
}

.question::details-content {
  block-size: 0;
  overflow: clip;
  transition:
    block-size 0.5s var(--ease-cinematic),
    content-visibility 0.5s var(--ease-cinematic) allow-discrete;
}

.question[open]::details-content {
  block-size: auto;
}

/* Contacto --------------------------------------------------------------------------- */

.section--contact {
  border-top: 1px solid var(--aleu-glass-border);
  background:
    radial-gradient(ellipse 55% 60% at 80% 40%, rgba(77, 124, 254, 0.08), transparent 70%),
    var(--aleu-bg-primary);
}

.steps {
  display: grid;
  gap: 16px;
  margin-top: 44px;
  list-style: none;
}

.steps li {
  display: flex;
  align-items: center;
  gap: 14px;
  color: var(--aleu-text-primary);
  font-size: 16px;
}

.steps span {
  display: grid;
  place-items: center;
  flex: none;
  width: 30px;
  height: 30px;
  border: 1px solid var(--aleu-border-strong);
  border-radius: 50%;
  color: var(--aleu-text-secondary);
  font-size: 13px;
  font-variant-numeric: tabular-nums;
}

.contact__email {
  margin-top: 44px;
  font-size: 15px;
}

.contact__email a {
  color: var(--aleu-text-primary);
  text-decoration: underline;
  text-decoration-color: rgba(245, 245, 245, 0.3);
  text-underline-offset: 4px;
  transition:
    color 0.3s var(--ease-cinematic),
    text-decoration-color 0.3s var(--ease-cinematic);
}

.contact__email a:hover {
  color: var(--aleu-accent-text);
  text-decoration-color: currentColor;
}

.form-shell {
  padding: clamp(24px, 4vw, 44px);
  background: linear-gradient(180deg, rgba(26, 26, 26, 0.72), rgba(17, 17, 17, 0.72));
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
}

.form {
  position: relative;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 22px 16px;
}

.field {
  display: flex;
  flex-direction: column;
  gap: 8px;
  min-width: 0;
}

.field--wide {
  grid-column: 1 / -1;
}

.field label {
  color: var(--aleu-text-primary);
  font-size: 14px;
  font-weight: 500;
}

.field__optional {
  color: var(--aleu-text-tertiary);
  font-weight: 400;
}

.field input:not([type="checkbox"]),
.field select,
.field textarea {
  width: 100%;
  padding: 13px 15px;
  border: 1px solid rgba(245, 245, 245, 0.1);
  border-radius: 12px;
  background: rgba(5, 5, 5, 0.65);
  color: var(--aleu-text-primary);
  font-size: 16px;
  line-height: 1.4;
  transition:
    border-color 0.25s var(--ease-cinematic),
    box-shadow 0.25s var(--ease-cinematic),
    background-color 0.25s var(--ease-cinematic);
}

.field textarea {
  min-height: 148px;
  resize: vertical;
}

.field input::placeholder,
.field textarea::placeholder {
  color: #7d7d7d;
}

.field input:not([type="checkbox"]):hover,
.field select:hover,
.field textarea:hover {
  border-color: rgba(245, 245, 245, 0.18);
}

.field input:not([type="checkbox"]):focus-visible,
.field select:focus-visible,
.field textarea:focus-visible {
  outline: none;
  border-color: var(--aleu-accent);
  background: rgba(5, 5, 5, 0.9);
  box-shadow: 0 0 0 4px rgba(77, 124, 254, 0.18);
}

.select-wrap {
  position: relative;
}

.select-wrap::after {
  content: "";
  position: absolute;
  top: 50%;
  right: 17px;
  width: 8px;
  height: 8px;
  margin-top: -6px;
  border-right: 1.5px solid var(--aleu-text-secondary);
  border-bottom: 1.5px solid var(--aleu-text-secondary);
  transform: rotate(45deg);
  pointer-events: none;
}

.field select {
  padding-right: 44px;
  appearance: none;
  cursor: pointer;
}

.field select:invalid {
  color: #7d7d7d;
}

.field select option {
  background: var(--aleu-bg-secondary);
  color: var(--aleu-text-primary);
}

.field.is-invalid input:not([type="checkbox"]),
.field.is-invalid select,
.field.is-invalid textarea {
  border-color: rgba(255, 138, 138, 0.7);
}

.field__error {
  color: var(--aleu-error);
  font-size: 13px;
  line-height: 1.4;
}

.field__error:empty {
  display: none;
}

.field--checkbox {
  display: grid;
  grid-template-columns: 22px 1fr;
  align-items: start;
  gap: 4px 12px;
  margin-top: 4px;
}

.field--checkbox .field__error {
  grid-column: 2;
}

.field--checkbox input {
  display: grid;
  place-content: center;
  width: 22px;
  height: 22px;
  margin-top: 1px;
  border: 1px solid rgba(245, 245, 245, 0.22);
  border-radius: 7px;
  background: rgba(5, 5, 5, 0.65);
  appearance: none;
  cursor: pointer;
  transition:
    background-color 0.25s var(--ease-cinematic),
    border-color 0.25s var(--ease-cinematic);
}

.field--checkbox input::after {
  content: "";
  width: 6px;
  height: 11px;
  margin-top: -3px;
  border-right: 2px solid var(--aleu-bg-primary);
  border-bottom: 2px solid var(--aleu-bg-primary);
  transform: rotate(45deg) scale(0);
  transition: transform 0.25s var(--ease-cinematic);
}

.field--checkbox input:checked {
  border-color: var(--aleu-accent);
  background: var(--aleu-accent);
}

.field--checkbox input:checked::after {
  transform: rotate(45deg) scale(1);
}

.field--checkbox.is-invalid input {
  border-color: rgba(255, 138, 138, 0.8);
}

.field--checkbox label {
  color: var(--aleu-text-secondary);
  font-size: 14px;
  font-weight: 400;
  line-height: 1.55;
  cursor: pointer;
}

.field--checkbox label a {
  color: var(--aleu-text-primary);
  text-decoration: underline;
  text-decoration-color: rgba(245, 245, 245, 0.35);
  text-underline-offset: 3px;
}

.field-trap {
  position: absolute;
  left: -10000px;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

.form__footer {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 16px 20px;
  margin-top: 6px;
}

.form__status {
  color: var(--aleu-text-secondary);
  font-size: 14px;
}

.form__status.is-error {
  color: var(--aleu-error);
}

.form__status a {
  color: var(--aleu-text-primary);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.success {
  display: grid;
  justify-items: center;
  gap: 14px;
  padding: 48px 12px;
  text-align: center;
}

.success:focus {
  outline: none;
}

.success__icon {
  width: 60px;
  height: 60px;
  fill: none;
  stroke: var(--aleu-accent);
  stroke-width: 1.5;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.success__icon circle {
  stroke: rgba(77, 124, 254, 0.35);
}

.success__icon path {
  stroke-dasharray: 40;
  stroke-dashoffset: 40;
  animation: draw 0.9s var(--ease-out) 0.2s forwards;
}

.success__title {
  margin-top: 8px;
  font-size: 28px;
  letter-spacing: -0.03em;
}

.success__text {
  max-width: 420px;
}

@media (max-width: 960px) {
  .principles,
  .faq,
  .contact {
    grid-template-columns: 1fr;
    gap: 56px;
  }

  .principles__header,
  .faq__header {
    position: static;
  }
}

@media (max-width: 560px) {
  .form {
    grid-template-columns: 1fr;
  }

  .form__footer .button {
    width: 100%;
  }
}

/* Pie -------------------------------------------------------------------------------- */

.site-footer {
  padding: 104px 0 44px;
  border-top: 1px solid var(--aleu-glass-border);
  background: var(--aleu-bg-primary);
}

.footer__manifesto {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  align-items: center;
  gap: 56px;
}

.footer__brand img {
  width: auto;
  height: 40px;
  opacity: 0.8;
  transition: opacity 0.3s var(--ease-cinematic);
}

.footer__brand:hover img {
  opacity: 1;
}

.footer__analogy {
  color: var(--aleu-text-secondary);
  font-size: 15px;
  font-weight: 300;
  line-height: 1.85;
  letter-spacing: 0.005em;
  text-wrap: pretty;
}

.footer__tagline {
  margin-top: 16px;
  color: var(--aleu-text-primary);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.footer__base {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 20px 32px;
  margin-top: 80px;
  padding-top: 28px;
  border-top: 1px solid var(--aleu-glass-border);
}

.footer__links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 28px;
  list-style: none;
}

.footer__links a {
  color: var(--aleu-text-secondary);
  font-size: 13px;
  transition: color 0.3s var(--ease-cinematic);
}

.footer__links a:hover {
  color: var(--aleu-text-primary);
}

.footer__legal {
  color: var(--aleu-text-tertiary);
  font-size: 13px;
}

@media (max-width: 720px) {
  .footer__manifesto {
    grid-template-columns: 1fr;
    gap: 32px;
  }
}

/* Páginas de texto (privacidad, gracias, 404) ---------------------------------------- */

.page {
  padding: 168px 0 var(--section-space);
}

.page__header {
  max-width: 780px;
}

.page__title {
  margin-top: 22px;
  font-size: clamp(36px, 5.4vw, 64px);
  line-height: 1.05;
  letter-spacing: -0.045em;
}

.page__meta {
  margin-top: 20px;
  color: var(--aleu-text-tertiary);
  font-size: 14px;
}

.document {
  max-width: 720px;
  margin-top: 72px;
  line-height: 28px;
}

.document h2 {
  margin-top: 56px;
  font-size: 22px;
  letter-spacing: -0.02em;
}

.document h2:first-child {
  margin-top: 0;
}

.document p,
.document ul {
  margin-top: 16px;
}

.document ul {
  display: grid;
  gap: 10px;
  padding-left: 0;
  list-style: none;
}

.document li {
  position: relative;
  padding-left: 22px;
}

.document li::before {
  content: "";
  position: absolute;
  top: 13px;
  left: 0;
  width: 10px;
  height: 1px;
  background: var(--aleu-accent);
}

.document strong {
  color: var(--aleu-text-primary);
  font-weight: 500;
}

.document a {
  color: var(--aleu-text-primary);
  text-decoration: underline;
  text-decoration-color: rgba(245, 245, 245, 0.3);
  text-underline-offset: 4px;
}

.document a:hover {
  color: var(--aleu-accent-text);
}

.notice {
  display: grid;
  place-items: center;
  min-height: 100svh;
  padding: 120px 0 80px;
  text-align: center;
}

.notice .page__title {
  margin-inline: auto;
}

.notice .lead {
  margin-inline: auto;
}

.notice .hero__actions {
  margin-top: 40px;
}

/* Revelado al entrar en vista ---------------------------------------------------------
 * Solo con JavaScript activo y sin preferencia de movimiento reducido. Si el script no carga,
 * la animación "reveal-failsafe" muestra todo a los 2,5 s: el contenido nunca queda oculto. */

@media (scripting: enabled) and (prefers-reduced-motion: no-preference) {
  [data-reveal] {
    opacity: 0;
    transform: translate3d(0, 22px, 0);
    transition:
      opacity 1s var(--ease-cinematic),
      transform 1.1s var(--ease-out);
    transition-delay: var(--delay, 0s);
  }

  [data-reveal].is-visible {
    opacity: 1;
    transform: none;
  }

  html:not(.is-ready) [data-reveal] {
    animation: reveal-failsafe 0s linear 2.5s forwards;
  }
}

@keyframes rise-in {
  from {
    opacity: 0;
    transform: translate3d(0, 18px, 0);
  }

  to {
    opacity: 1;
    transform: none;
  }
}

@keyframes reveal-failsafe {
  to {
    opacity: 1;
    transform: none;
  }
}

@keyframes pulse {
  0%,
  100% {
    box-shadow: 0 0 6px rgba(110, 247, 217, 0.5);
    opacity: 1;
  }

  50% {
    box-shadow: 0 0 16px rgba(110, 247, 217, 0.9);
    opacity: 0.75;
  }
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

@keyframes draw {
  to {
    stroke-dashoffset: 0;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    transition-delay: 0s !important;
  }
}

/* Responsive general ----------------------------------------------------------------- */

@media (max-width: 960px) {
  .services,
  .use-cases {
    grid-template-columns: 1fr;
  }

  .service__title {
    margin-top: 40px;
  }

  .use-case__title {
    margin-top: 28px;
  }
}

@media (min-width: 640px) and (max-width: 960px) {
  .use-cases {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 640px) {
  .stats {
    grid-template-columns: 1fr;
    gap: 40px;
    margin-top: 72px;
  }

  .hero {
    padding-top: 120px;
  }

  .hero__actions {
    flex-direction: column;
    align-items: stretch;
    width: 100%;
    max-width: 360px;
  }

  .closing-line {
    margin-top: 88px;
  }
}

/* Cabecera y pie de las páginas secundarias ------------------------------------------ */

.header__cta--standalone {
  margin-left: auto;
}

@media (max-width: 420px) {
  .header__cta--standalone {
    display: inline-flex;
  }
}

.site-footer:has(.footer__base--standalone) {
  padding-top: 40px;
}

.footer__base--standalone {
  margin-top: 0;
  padding-top: 0;
  border-top: 0;
}

.success__icon--centered {
  margin: 0 auto 28px;
}

.eyebrow--centered {
  justify-content: center;
}

/* Contacto: agendar es el camino principal; escribir, la alternativa ------------------ */

.booking {
  display: grid;
  justify-items: start;
  gap: 12px;
  margin-top: 36px;
}

.booking__note {
  color: var(--aleu-text-tertiary);
  font-size: 13px;
}

.button:hover .button__icon--lead {
  transform: none;
}

.form__intro {
  color: var(--aleu-text-secondary);
  font-size: 15px;
}

.form__intro strong {
  color: var(--aleu-text-primary);
  font-weight: 500;
}

/* Páginas legales -------------------------------------------------------------------- */

.document__related {
  margin-top: 56px;
  padding-top: 28px;
  border-top: 1px solid var(--aleu-glass-border);
  color: var(--aleu-text-tertiary);
}

.footer__links a[aria-current="page"] {
  color: var(--aleu-text-primary);
}