/* E1000-IA · Balanza inclusiva — estilos
   Accesibilidad: contraste AA o mejor, foco visible, respeta "reducir movimiento". */

:root {
  --ink: #111111;
  --ink-2: #444444;
  --ink-3: #5c5c5c;
  --paper: #ffffff;
  --soft: #f5f5f7;
  --line: #e4e4e4;
  --dark: #0e0e0f;
  --dark-2: #2a2a2d;
  --on-dark: #ffffff;
  --on-dark-2: #d6d6d6;
  --link: #0b5fa5;
  --link-hover: #083f6e;
  --amarillo: #f2b705;
  --amarillo-bg: #fff4cc;
  --amarillo-ink: #3d3300;
  --rojo: #d32f2f;
  --rojo-bg: #fde3e3;
  --rojo-ink: #5e1414;
  --verde: #1e8e4e;
  --verde-bg: #e3f2e9;
  --verde-ink: #0f3d24;
  --verde-texto: #1b6e40;
  --radius: 24px;
  --max: 1120px;
  --font: 'Atkinson Hyperlegible', system-ui, -apple-system, 'Segoe UI', sans-serif;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 88px; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }
body { margin: 0; font-family: var(--font); font-size: 18px; line-height: 1.5; color: var(--ink); background: var(--paper); }
img { max-width: 100%; height: auto; display: block; }
a { color: var(--link); }
a:hover { color: var(--link-hover); }
h1, h2, h3 { margin: 0; line-height: 1.08; letter-spacing: -0.02em; }
p { margin: 0; }

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

.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: absolute; left: 16px; top: -100px; background: var(--ink); color: #fff; padding: 12px 18px; border-radius: 999px; z-index: 100; text-decoration: none; font-weight: 700; }
.skip-link:focus { top: 12px; color: #fff; }

.container { max-width: var(--max); margin: 0 auto; padding: 0 24px; }
.section { padding: 112px 0; }
.section--soft { background: var(--soft); }
.section--dark { background: var(--dark); color: var(--on-dark); }
.section--dark a { color: #9fd0ff; }
.center { text-align: center; }
.h2 { font-size: clamp(34px, 5vw, 64px); }
.lead { font-size: clamp(19px, 2.2vw, 23px); color: var(--ink-2); max-width: 640px; margin: 14px auto 0; }
.section--dark .lead { color: var(--on-dark-2); }
.eyebrow { font-size: 15px; font-weight: 700; letter-spacing: 0.06em; text-transform: uppercase; color: var(--ink-3); }
.stack { display: flex; flex-direction: column; gap: 48px; }

/* Botones */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 10px; min-height: 48px; padding: 12px 26px; border-radius: 999px; font: inherit; font-size: 18px; font-weight: 700; text-decoration: none; cursor: pointer; border: 2px solid transparent; }
.btn--light { background: #fff; color: var(--ink); }
.btn--light:hover { background: #eaeaea; color: var(--ink); }
.btn--outline-light { border-color: #fff; color: #fff; background: transparent; }
.btn--outline-light:hover { background: rgba(255,255,255,0.12); color: #fff; }
.btn--dark { background: var(--ink); color: #fff; }
.btn--dark:hover { background: #333; color: #fff; }
.btn svg { width: 20px; height: 20px; flex-shrink: 0; }

/* Encabezado */
.site-header { position: sticky; top: 0; z-index: 50; background: rgba(255,255,255,0.95); border-bottom: 1px solid var(--line); }
@supports (backdrop-filter: blur(10px)) { .site-header { background: rgba(255,255,255,0.82); backdrop-filter: saturate(180%) blur(14px); } }
.nav { display: flex; align-items: center; justify-content: space-between; gap: 16px; min-height: 72px; }
.brand { display: flex; align-items: center; gap: 10px; color: var(--ink); text-decoration: none; }
.brand:hover { color: var(--ink); }
.brand__dots { display: inline-flex; gap: 4px; }
.brand__dots span { width: 10px; height: 10px; border-radius: 50%; }
.brand__name { display: flex; flex-direction: column; line-height: 1.1; }
.brand__name strong { font-size: 20px; }
.brand__name small { font-size: 14px; color: var(--ink-3); }
.nav__menu { display: flex; align-items: center; gap: 22px; list-style: none; margin: 0; padding: 0; }
.nav__menu a { color: #333; text-decoration: none; font-size: 16px; padding: 12px 0; }
.nav__menu a:hover { color: var(--ink); text-decoration: underline; }
.nav__menu .nav__cta { background: var(--ink); color: #fff; padding: 10px 18px; border-radius: 999px; }
.nav__menu .nav__cta:hover { color: #fff; background: #333; text-decoration: none; }
.nav__toggle { display: none; font: inherit; font-size: 16px; font-weight: 700; background: #fff; border: 2px solid var(--ink); border-radius: 999px; min-height: 44px; padding: 8px 16px; cursor: pointer; }
@media (max-width: 960px) {
  .nav__toggle { display: inline-flex; align-items: center; gap: 8px; }
  .nav__menu { display: none; position: absolute; left: 0; right: 0; top: 72px; background: #fff; border-bottom: 1px solid var(--line); flex-direction: column; align-items: stretch; gap: 0; padding: 8px 24px 20px; }
  .nav__menu.is-open { display: flex; }
  .nav__menu a { display: block; padding: 14px 0; font-size: 19px; border-bottom: 1px solid var(--line); }
  .nav__menu .nav__cta { text-align: center; margin-top: 12px; border-bottom: 0; }
}

/* Portada */
.hero { background: var(--dark); color: #fff; padding: 88px 0 72px; text-align: center; }
.hero__inner { display: flex; flex-direction: column; align-items: center; gap: 22px; }
.hero__kicker { font-size: 18px; color: #c9c9c9; letter-spacing: 0.04em; }
.hero h1 { font-size: clamp(48px, 8vw, 104px); line-height: 1; }
.hero__claim { font-size: clamp(22px, 2.6vw, 30px); line-height: 1.35; max-width: 680px; }
.hero__sub { font-size: clamp(18px, 2vw, 21px); color: var(--on-dark-2); max-width: 640px; }
.hero__ctas { display: flex; flex-wrap: wrap; justify-content: center; gap: 14px; margin-top: 8px; }
.hero__media { width: 100%; max-width: 1040px; margin-top: 36px; }
.badge { display: inline-flex; align-items: center; gap: 10px; font-size: 16px; color: #e2e2e2; border: 1px solid #5a5a5e; border-radius: 999px; padding: 10px 18px; margin-top: 18px; }
.badge svg { width: 18px; height: 18px; }

/* Video con carga al hacer clic (más liviano y más privado) */
.video { position: relative; width: 100%; aspect-ratio: 16 / 9; border-radius: var(--radius); overflow: hidden; background: var(--dark-2); }
.video--4x3 { aspect-ratio: 4 / 3; }
.video--wide { aspect-ratio: 21 / 9; }
.video__btn { position: absolute; inset: 0; width: 100%; height: 100%; border: 0; padding: 0; margin: 0; background: transparent; cursor: pointer; color: #fff; font: inherit; }
.video__btn img { width: 100%; height: 100%; object-fit: cover; }
.video__btn::after { content: ""; position: absolute; inset: 0; background: linear-gradient(transparent 55%, rgba(0,0,0,0.45)); }
.video__play { position: absolute; left: 50%; top: 50%; transform: translate(-50%, -50%); width: 84px; height: 84px; border-radius: 50%; background: #fff; color: var(--ink); display: flex; align-items: center; justify-content: center; z-index: 1; box-shadow: 0 6px 24px rgba(0,0,0,0.25); transition: transform 0.2s; }
.video__btn:hover .video__play { transform: translate(-50%, -50%) scale(1.06); }
.video__play svg { width: 34px; height: 34px; margin-left: 4px; }
.video__label { position: absolute; left: 20px; bottom: 16px; z-index: 1; font-size: 17px; font-weight: 700; text-align: left; text-shadow: 0 1px 6px rgba(0,0,0,0.6); }
.video iframe { position: absolute; inset: 0; width: 100%; height: 100%; border: 0; }
.video-meta { margin-top: 10px; font-size: 15px; color: var(--ink-3); }
.section--dark .video-meta, .hero .video-meta { color: #c9c9c9; }
.video-meta a { color: inherit; }

.video__label--pill { left: 50%; bottom: 22px; transform: translateX(-50%); background: rgba(14,14,15,0.82); color: #fff; padding: 10px 20px; border-radius: 999px; font-size: clamp(15px, 2vw, 19px); text-shadow: none; white-space: nowrap; max-width: calc(100% - 32px); overflow: hidden; text-overflow: ellipsis; }
@media (max-width: 520px) { .video__label--pill { white-space: normal; text-align: center; width: calc(100% - 32px); bottom: 12px; padding: 8px 14px; } }
.hero__media + .hero__ctas { margin-top: 14px; }

/* Selector de idioma */
.nav__menu .nav__lang { border: 2px solid var(--ink); color: var(--ink); padding: 8px 14px; border-radius: 999px; font-weight: 700; }
.nav__menu .nav__lang:hover { background: var(--ink); color: #fff; text-decoration: none; }
@media (max-width: 960px) { .nav__menu .nav__lang { text-align: center; margin-top: 12px; border-bottom: 2px solid var(--ink); } }

/* Articulación */
.partners { padding: 64px 0; border-bottom: 1px solid var(--line); }
.partners h2 { font-size: clamp(22px, 2.6vw, 30px); line-height: 1.3; max-width: 760px; margin: 0 auto 28px; letter-spacing: -0.01em; }
.partners__grid { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 16px; }
.partners__grid li { display: flex; }
/* Todas las cajas iguales: mismo alto, logo en un recuadro fijo y texto siempre a la misma altura */
.partner { width: 100%; height: 100%; min-height: 148px; display: grid; grid-template-rows: 64px auto; justify-items: center; align-content: center; row-gap: 14px; padding: 20px 12px; border-radius: 16px; background: var(--soft); text-decoration: none; color: var(--ink-3); font-size: 14px; line-height: 1.3; text-align: center; }
a.partner:hover { background: #ececf0; color: var(--ink); }
.partner img { width: 100%; max-width: 104px; height: 64px; object-fit: contain; }
.partner img.is-wide { max-width: 112px; height: 64px; }
.partner span { min-height: 2.6em; display: flex; align-items: flex-start; justify-content: center; }
@media (min-width: 1000px) { .partners__grid { grid-template-columns: repeat(7, 1fr); } }

/* Antes y después */
.ba { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 28px; }
.ba__item { display: flex; flex-direction: column; gap: 14px; }
.ba__tag { font-size: 15px; font-weight: 700; letter-spacing: 0.06em; }
.ba__tag--antes { color: var(--ink-3); }
.ba__tag--despues { color: var(--verde-texto); }
.ba__text { font-size: 24px; line-height: 1.3; }

/* Cómo funciona */
.steps { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 24px; }
.step { background: #fff; border-radius: 32px; padding: 48px 36px; display: flex; flex-direction: column; align-items: center; text-align: center; gap: 20px; }
.step__num { font-size: 120px; line-height: 0.85; font-weight: 700; letter-spacing: -0.05em; }
.step__num--verde { color: var(--verde); }
.step__art { min-height: 150px; display: flex; align-items: center; justify-content: center; width: 100%; }
.step h3 { font-size: 30px; }
.step p { font-size: 19px; color: var(--ink-2); max-width: 280px; }
.states { display: flex; flex-direction: column; gap: 10px; width: 100%; max-width: 260px; list-style: none; margin: 0; padding: 0; }
.state { display: flex; align-items: center; gap: 12px; border-radius: 999px; padding: 10px 16px; font-size: 18px; font-weight: 700; }
.state__dot { width: 22px; height: 22px; border-radius: 50%; flex-shrink: 0; }
.state--amarillo { background: var(--amarillo-bg); color: var(--amarillo-ink); }
.state--amarillo .state__dot { background: var(--amarillo); }
.state--rojo { background: var(--rojo-bg); color: var(--rojo-ink); }
.state--rojo .state__dot { background: var(--rojo); }
.state--verde { background: var(--verde-bg); color: var(--verde-ink); }
.state--verde .state__dot { background: var(--verde); }

/* Autonomía */
.quote { font-size: clamp(40px, 6vw, 80px); line-height: 1.05; }
.manifest { max-width: 920px; margin: 0 auto; display: flex; flex-direction: column; gap: 28px; text-align: center; }
.manifest p { font-size: clamp(20px, 2.4vw, 26px); color: #e2e2e2; line-height: 1.45; }

/* Historia */
.timeline { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(auto-fit, minmax(170px, 1fr)); gap: 20px; }
.timeline li { display: flex; flex-direction: column; gap: 12px; }
.timeline img { width: 100%; aspect-ratio: 1 / 1; object-fit: cover; border-radius: 18px; background: var(--soft); }
.timeline h3 { font-size: 21px; letter-spacing: -0.01em; }
.timeline p { font-size: 17px; color: var(--ink-2); }

/* Tres claves */
.keys { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 20px; }
.key { border: 1px solid #3a3a3e; border-radius: var(--radius); padding: 36px; display: flex; flex-direction: column; gap: 14px; }
.key svg { width: 36px; height: 36px; }
.key h3 { font-size: 28px; }
.key p { color: var(--on-dark-2); }

/* Desafío */
.challenge { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 48px; align-items: center; }
.challenge__num { font-size: clamp(96px, 14vw, 180px); line-height: 0.9; font-weight: 700; letter-spacing: -0.04em; display: block; }
.challenge h2 { font-size: 32px; line-height: 1.2; margin: 10px 0; }
.challenge p { font-size: 20px; color: var(--ink-2); }
.challenge img { border-radius: var(--radius); width: 100%; aspect-ratio: 4 / 3; object-fit: cover; }
.eyebrow--verde { color: var(--verde-texto); }

/* Dos caminos */
.paths { display: grid; grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); gap: 24px; }
.path { border-radius: 28px; padding: 48px; display: flex; flex-direction: column; gap: 18px; align-items: flex-start; }
.path h2 { font-size: 40px; }
.path p { font-size: 20px; }
.path--dark { background: var(--dark); color: #fff; }
.path--dark p { color: #e2e2e2; }
.path--dark .eyebrow { color: #bdbdbd; }
.path--green { background: var(--verde-bg); }
.path--green .eyebrow { color: var(--verde-texto); }
.path--green p { color: #22362a; }

/* Equipo */
.team-photo { border-radius: var(--radius); width: 100%; aspect-ratio: 21 / 8; object-fit: cover; }
.team { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(auto-fit, minmax(210px, 1fr)); gap: 16px; }
.team li { background: #fff; border-radius: 18px; padding: 20px; display: flex; flex-direction: column; gap: 6px; }
.team strong { font-size: 19px; }
.team span { font-size: 16px; color: #555; }
.team-sub { font-size: 26px; text-align: center; margin-top: 8px; }
.thanks { font-size: 18px; color: var(--ink-2); text-align: center; max-width: 820px; margin: 0 auto; }

/* Contacto */
.form { display: flex; flex-direction: column; gap: 18px; max-width: 640px; margin: 0 auto; }
.form label { display: flex; flex-direction: column; gap: 8px; font-size: 18px; font-weight: 700; }
.form input, .form select, .form textarea { font: inherit; font-weight: 400; font-size: 18px; padding: 14px 16px; border: 2px solid #8a8a8a; border-radius: 12px; min-height: 52px; background: #fff; color: var(--ink); width: 100%; }
.form input:focus, .form select:focus, .form textarea:focus { border-color: var(--ink); }
.form .btn { align-self: stretch; min-height: 56px; }
.form__hint { font-size: 15px; font-weight: 400; color: var(--ink-3); }
.form__status { font-size: 18px; font-weight: 700; min-height: 1.5em; }
.form__status.is-ok { color: var(--verde-texto); }
.form__status.is-error { color: #b3261e; }

/* Organizaciones aliadas */
.allies { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 24px; font-size: 16px; }
.allies div { display: flex; flex-direction: column; gap: 8px; }
.allies ul { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; gap: 6px 14px; }

/* Pie */
.site-footer { border-top: 1px solid var(--line); padding: 32px 0; font-size: 16px; color: #555; }
.site-footer .container { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 16px; }
.site-footer ul { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; gap: 20px; }

/* Páginas internas */
.page-hero { padding: 96px 0 48px; }
.page-hero h1 { font-size: clamp(44px, 7vw, 88px); }
.page-hero .lead { margin: 18px 0 0; }
.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 20px; }
.card { background: var(--soft); border-radius: 20px; padding: 28px; display: flex; flex-direction: column; gap: 10px; }
.card h3 { font-size: 22px; letter-spacing: -0.01em; }
.card p { color: var(--ink-2); font-size: 17px; }
.card .btn { align-self: flex-start; margin-top: 6px; font-size: 16px; min-height: 44px; padding: 10px 20px; }
.tag-soon { display: inline-block; font-size: 14px; font-weight: 700; background: var(--amarillo-bg); color: var(--amarillo-ink); border-radius: 999px; padding: 4px 12px; align-self: flex-start; }
.prose { max-width: 760px; }
.prose h2 { font-size: 30px; margin: 40px 0 12px; letter-spacing: -0.01em; }
.prose p, .prose li { color: var(--ink-2); }
.prose p + p { margin-top: 12px; }

/* Aparición al hacer scroll: solo si la persona no pidió reducir movimiento */
@media (prefers-reduced-motion: no-preference) {
  .js .reveal { opacity: 0; transform: translateY(28px); transition: opacity 0.7s ease, transform 0.7s ease; }
  .js .reveal.is-visible { opacity: 1; transform: none; }
}

/* Instagram */
.ig-link { display: inline-flex; align-items: center; gap: 6px; }
.ig-icon { width: 18px; height: 18px; flex-shrink: 0; }