/* NEURONEXUS 360° · tema claro y luminoso tomado de las piezas de marca.
   Formas: botones y chips en píldora, tarjetas 24px, campos 12px. */

:root {
  color-scheme: light;
  --bg: #fcf8f3;
  --bg-2: #f7f0e7;
  --surface: #fffdfa;
  --ink: #241d17;
  --ink-2: #54483e;
  --ink-3: #75685c;
  --line: rgba(36, 29, 23, .12);
  --cream: #fff6ea;
  --glow: #f3a44f;
  --accent: #1f5fc7;

  /* Colores de las conexiones (nodos de la marca) */
  --g: #2fc46b;
  --o: #ff8f2e;
  --p: #f0569e;
  --b: #2b7cf0;
  --l: #9a63ff;

  --display: "Montserrat", system-ui, sans-serif;
  --text: "Inter Tight", system-ui, sans-serif;
  --ease: cubic-bezier(.16, 1, .3, 1);
  --r-card: 24px;
  --r-input: 12px;
  --wrap: 1240px;
  --nav-h: 80px;
}

*, *::before, *::after { box-sizing: border-box; }
[hidden] { display: none !important; }
.captura .rail { display: none !important; }
.captura *, .captura *::before, .captura *::after { transition: none !important; animation-duration: 0s !important; animation-delay: 0s !important; }
.captura .hero__content, .captura .hero__media { animation: none !important; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0; }
html { scroll-behavior: smooth; scroll-padding-top: calc(var(--nav-h) + 12px); -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font: 400 1.0625rem/1.6 var(--text);
  -webkit-font-smoothing: antialiased;
  overflow-x: clip;
}
img { display: block; max-width: 100%; height: auto; }
a { color: inherit; }
h1, h2, h3, p { margin: 0; }
button { font: inherit; color: inherit; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; border-radius: 6px; }

.skip { position: absolute; left: 16px; top: -60px; z-index: 100; background: var(--ink); color: var(--cream); padding: 10px 16px; border-radius: 999px; }
.skip:focus { top: 12px; }

.wrap { width: min(100% - 32px, var(--wrap)); margin-inline: auto; }
.section { padding-block: clamp(80px, 11vw, 150px); position: relative; }

.h2 {
  font: 600 clamp(2.05rem, 4.1vw, 3.5rem)/1.06 var(--text);
  letter-spacing: -.025em;
  text-wrap: balance;
}
.h2 em { font-style: normal; color: var(--ink-3); }
.lead { font-size: clamp(1.1rem, 1.5vw, 1.3rem); line-height: 1.55; color: var(--ink-2); max-width: 58ch; text-wrap: pretty; }
.body { color: var(--ink-2); max-width: 60ch; }

/* ---------- Botones ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  min-height: 50px; padding: 0 24px; border-radius: 999px; border: 1px solid transparent;
  font: 600 .98rem/1 var(--text); letter-spacing: -.005em; text-decoration: none; white-space: nowrap;
  cursor: pointer; transition: transform .35s var(--ease), box-shadow .35s var(--ease), background-color .25s, color .25s;
}
.btn i { font-size: 1.1em; transition: transform .35s var(--ease); }
.btn:hover { transform: translateY(-1px); }
.btn:hover i { transform: translateX(3px); }
.btn:active { transform: scale(.98); }
.btn--sm { min-height: 42px; padding: 0 18px; font-size: .92rem; }
.btn--block { width: 100%; }
.btn--light { background: var(--cream); color: var(--ink); box-shadow: 0 8px 30px rgba(243, 164, 79, .35); }
.btn--light:hover { box-shadow: 0 10px 40px rgba(243, 164, 79, .55); }
.btn--ghost-light { color: var(--cream); border-color: rgba(255, 246, 234, .55); background: rgba(36, 20, 8, .22); }
.btn--ghost-light:hover { border-color: var(--cream); background: rgba(36, 20, 8, .36); }
.btn--ink { background: var(--ink); color: var(--cream); }
.btn--ink:hover { box-shadow: 0 0 0 5px rgba(243, 164, 79, .22), 0 12px 30px rgba(120, 60, 15, .2); }
.btn--ghost { border-color: var(--line); background: transparent; color: var(--ink); }
.btn--ghost:hover { border-color: var(--ink); }
.btn[disabled] { opacity: .65; cursor: progress; transform: none; }

/* ---------- Navegación ---------- */
.nav { position: fixed; inset: 0 0 auto; z-index: 50; height: var(--nav-h); color: var(--cream); transition: background-color .35s, color .35s, box-shadow .35s; }
.nav--solid { background: rgba(252, 248, 243, .97); color: var(--ink); box-shadow: 0 1px 0 var(--line), 0 10px 30px rgba(90, 50, 15, .06); }
.nav__inner { height: 100%; width: min(100% - 32px, var(--wrap)); margin-inline: auto; display: flex; align-items: center; gap: 28px; }
.nav__brand { display: inline-flex; align-items: center; margin-right: auto; padding: 4px 16px; border-radius: 999px; background: rgba(255, 252, 247, .94); box-shadow: 0 6px 24px rgba(30, 14, 2, .18); transition: background-color .35s, box-shadow .35s, padding .35s; }
.nav__brand img { height: 58px; width: auto; }
@media (max-width: 760px) { .nav__brand img { height: 46px; } .nav__brand { padding: 4px 12px; } }
.nav--solid .nav__brand, .nav--open .nav__brand { background: transparent; box-shadow: none; padding-inline: 0; }
.nav__links { display: flex; gap: 26px; list-style: none; margin: 0; padding: 0; }
.nav__links a { text-decoration: none; font-weight: 500; font-size: .95rem; opacity: .86; transition: opacity .2s; }
.nav__links a:hover { opacity: 1; }
.btn--nav { background: var(--cream); color: var(--ink); }
.nav--solid .btn--nav { background: var(--ink); color: var(--cream); }
.nav__toggle { display: none; width: 44px; height: 44px; border-radius: 999px; border: 1px solid currentColor; background: transparent; font-size: 1.3rem; cursor: pointer; align-items: center; justify-content: center; }

@media (max-width: 900px) {
  .nav__toggle { display: inline-flex; }
  .btn--nav { display: none; }
  .nav__links {
    position: absolute; top: calc(var(--nav-h) - 4px); left: 16px; right: 16px;
    flex-direction: column; gap: 0; padding: 8px; border-radius: var(--r-card);
    background: var(--surface); color: var(--ink); box-shadow: 0 20px 50px rgba(70, 40, 10, .18);
    opacity: 0; transform: translateY(-8px); pointer-events: none; transition: opacity .25s, transform .3s var(--ease);
  }
  .nav__links a { display: block; padding: 14px 16px; opacity: 1; font-size: 1.05rem; }
  .nav--open .nav__links { opacity: 1; transform: none; pointer-events: auto; }
  .nav--open { background: rgba(252, 248, 243, .97); color: var(--ink); }
}

/* ---------- Barra de scroll ---------- */
html { scrollbar-width: thin; scrollbar-color: #e0904a transparent; }
::-webkit-scrollbar { width: 8px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { border-radius: 99px; background: linear-gradient(var(--o), var(--p), var(--l)); }
.rail { display: none; }
@keyframes rail { to { transform: translateY(354.5%); } }
@supports (animation-timeline: scroll()) {
  /* Con mouse: la barra nativa se oculta y queda un riel fino de marca (se puede arrastrar) */
  @media (pointer: fine) {
    html { scrollbar-width: none; }
    html::-webkit-scrollbar { display: none; }
    .rail {
      display: block; position: fixed; z-index: 55; top: 50%; right: 12px; width: 4px; height: 32vh;
      transform: translateY(-50%); border-radius: 99px; background: rgba(150, 96, 40, .22); cursor: pointer;
      transition: width .25s var(--ease), background-color .25s;
    }
    .rail::before { content: ""; position: absolute; inset: -10px -12px; }
    .rail:hover, .rail.is-drag { width: 7px; background: rgba(150, 96, 40, .32); }
    .rail__thumb {
      position: absolute; left: 0; top: 0; width: 100%; height: 22%; border-radius: 99px;
      background: linear-gradient(var(--o), var(--p), var(--l)); box-shadow: 0 0 12px rgba(243, 164, 79, .65);
      animation: rail linear both; animation-timeline: scroll(root);
    }
  }
}

/* ---------- Hero ---------- */
.hero { position: relative; min-height: 100dvh; display: grid; grid-template-columns: minmax(0, 1fr); align-items: center; overflow: hidden; background: #24160b; color: var(--cream); isolation: isolate; }
.hero__media { position: absolute; inset: 0; z-index: -3; transform-origin: 30% 40%; }
.hero__pic { display: block; width: 100%; height: 100%; }
.hero__img { width: 100%; height: 100%; object-fit: cover; object-position: 30% 40%; transform: scale(1.04); }
.js .hero__pic { animation: hero-zoom 2.6s var(--ease) both; }
@keyframes hero-zoom { from { transform: scale(1.16); opacity: .2; } 35% { opacity: 1; } to { transform: scale(1); } }
.hero__scrim {
  position: absolute; inset: 0; z-index: -2; pointer-events: none;
  background:
    radial-gradient(22% 30% at 69.5% 26%, rgba(40, 20, 6, .5), rgba(40, 20, 6, 0) 80%),
    radial-gradient(46% 60% at 70% 62%, rgba(28, 14, 4, .58), rgba(28, 14, 4, 0) 76%),
    linear-gradient(90deg, rgba(28, 14, 4, .18), rgba(28, 14, 4, 0) 40%),
    linear-gradient(180deg, rgba(28, 14, 4, .42) 0%, rgba(28, 14, 4, 0) 22%, rgba(28, 14, 4, 0) 75%, rgba(28, 14, 4, .45) 100%);
}
.hero__neural { position: absolute; inset: 0; z-index: -1; width: 100%; height: 100%; pointer-events: none; }
.hero__content { margin-left: 46%; width: 47%; padding: calc(var(--nav-h) + clamp(170px, 35vh, 330px)) 16px 52px; text-align: center; text-shadow: 0 2px 24px rgba(30, 14, 2, .55); }
.hero__kicker { font: 400 clamp(1rem, 1.55vw, 1.5rem)/1.28 var(--display); text-transform: uppercase; letter-spacing: .015em; }
.hero__title { margin-top: clamp(12px, 1.4vw, 20px); font: 600 clamp(2.3rem, 4.6vw, 5rem)/1.04 var(--display); letter-spacing: .015em; white-space: nowrap; }
.hero__sub { margin-top: clamp(10px, 1.1vw, 14px); font: 500 clamp(1rem, 1.45vw, 1.35rem)/1.3 var(--display); opacity: .95; }
.hero__ctas { margin-top: clamp(26px, 3vw, 40px); display: flex; flex-wrap: wrap; justify-content: center; gap: 12px; text-shadow: none; }

.js [data-in] { opacity: 0; transform: translateY(16px); animation: rise .9s var(--ease) forwards; }
.js [data-in="1"] { animation-delay: .35s; }
.js [data-in="3"] { animation-delay: .95s; }
.js [data-in="4"] { animation-delay: 1.1s; }
@keyframes rise { to { opacity: 1; transform: none; } }

/* El hero se despide al bajar: el texto sube y la foto se acerca */
@supports (animation-timeline: scroll()) {
  @media (prefers-reduced-motion: no-preference) {
    .hero__content { animation: hero-out linear both; animation-timeline: scroll(root); animation-range: 0 85vh; }
    .hero__media { animation: hero-media-out linear both; animation-timeline: scroll(root); animation-range: 0 100vh; }
  }
}
@keyframes hero-out { to { transform: translate3d(0, -110px, 0); opacity: 0; } }
@keyframes hero-media-out { to { transform: scale(1.12) translate3d(0, 4%, 0); } }

@media (max-width: 760px) {
  .hero { align-items: end; }
  .hero__img { object-position: 50% 30%; }
  .hero__scrim { background: linear-gradient(180deg, rgba(28, 14, 4, .5) 0%, rgba(28, 14, 4, 0) 20%, rgba(28, 14, 4, .05) 45%, rgba(28, 14, 4, .8) 76%, rgba(28, 14, 4, .92) 100%); }
  .hero__content { margin: 0; width: 100%; padding: 0 16px max(36px, env(safe-area-inset-bottom)); }
  .hero__kicker { font-size: .98rem; }
  .hero__kicker br { display: none; }
  .hero__title { font-size: clamp(1.8rem, 8.3vw, 2.5rem); }
  .hero__ctas { flex-direction: column; align-items: stretch; }
}

/* ---------- Letras que caen (títulos) ---------- */
[data-split] .w { display: inline-block; white-space: nowrap; }
[data-split] .ch { display: inline-block; }
.js [data-split] .ch {
  opacity: 0; transform: translate3d(0, -.9em, 0) rotate(-12deg);
  transition: transform .8s cubic-bezier(.34, 1.56, .64, 1) var(--d), opacity .4s ease var(--d);
}
.js [data-split][data-dir="up"]:not(.is-in) .ch { transform: translate3d(0, .9em, 0) rotate(10deg); }
.js [data-split].is-in .ch { opacity: 1; transform: none; }

/* ---------- Revelado al bajar y al subir ---------- */
.js .reveal { opacity: 0; transform: translate3d(0, 30px, 0); transition: opacity .7s var(--ease), transform .8s var(--ease); transition-delay: calc(var(--i, 0) * 70ms); }
.js .reveal[data-dir="up"]:not(.is-in) { transform: translate3d(0, -30px, 0); }
.js .reveal.is-in { opacity: 1; transform: none; }

/* Fotos que se desplazan suave con el scroll */
@supports (animation-timeline: view()) {
  @media (prefers-reduced-motion: no-preference) {
    .future__media img, .footer__media img { animation: drift linear both; animation-timeline: view(); animation-range: cover; }
  }
}
@keyframes drift { from { transform: translate3d(0, -5%, 0) scale(1.12); } to { transform: translate3d(0, 5%, 0) scale(1.12); } }

/* ---------- Manifiesto ---------- */
.manifesto {
  padding: clamp(96px, 13vw, 180px) 16px clamp(72px, 9vw, 120px);
  text-align: center;
  background:
    radial-gradient(40% 60% at 0% 0%, color-mix(in srgb, var(--o) 14%, transparent), transparent 70%),
    radial-gradient(36% 60% at 100% 100%, color-mix(in srgb, var(--l) 12%, transparent), transparent 70%),
    var(--bg);
}
.manifesto__text { max-width: 24ch; margin-inline: auto; font: 500 clamp(1.85rem, 4.3vw, 3.7rem)/1.13 var(--text); letter-spacing: -.025em; text-wrap: balance; }
.manifesto__sign { margin-top: clamp(28px, 4vw, 48px); font: 500 clamp(1rem, 1.5vw, 1.25rem)/1.3 var(--display); color: var(--ink-2); letter-spacing: .01em; }
.manifesto__sign strong { color: var(--accent); font-weight: 600; }

@supports (animation-timeline: view()) {
  @media (prefers-reduced-motion: no-preference) {
    .manifesto__text { view-timeline-name: --mf; }
    .manifesto__text .w {
      color: color-mix(in srgb, var(--ink) 22%, var(--bg));
      animation: word-lit linear both;
      animation-timeline: --mf;
      animation-range: cover calc(18% + var(--i) * 1.6%) cover calc(24% + var(--i) * 1.6%);
    }
  }
}
@keyframes word-lit { to { color: var(--ink); } }

/* ---------- Desafío ---------- */
.challenge { background: var(--bg); padding-top: clamp(40px, 6vw, 80px); }
.challenge__grid { display: grid; grid-template-columns: 5fr 6fr; gap: clamp(40px, 7vw, 110px); align-items: start; }
.challenge__intro { position: sticky; top: calc(var(--nav-h) + 40px); display: grid; gap: 22px; }
.challenge__list { list-style: none; margin: 0; padding: 0; position: relative; display: grid; gap: clamp(40px, 5vw, 64px); }
.challenge__list::before {
  content: ""; position: absolute; left: 27px; top: 28px; bottom: 28px; width: 2px; border-radius: 2px;
  background: linear-gradient(var(--o), var(--p), var(--g)); opacity: .45;
}
.challenge__item { display: grid; grid-template-columns: 56px 1fr; gap: 24px; align-items: start; }
.challenge__node {
  position: relative; width: 56px; height: 56px; border-radius: 50%; display: grid; place-items: center;
  background: var(--surface); color: var(--c); font-size: 1.55rem;
  box-shadow: 0 0 0 1px color-mix(in srgb, var(--c) 40%, transparent), 0 0 28px color-mix(in srgb, var(--c) 45%, transparent);
}
.challenge__item h3 { font: 600 clamp(1.3rem, 2vw, 1.6rem)/1.2 var(--text); letter-spacing: -.015em; margin: 12px 0 10px; }
.challenge__item p { color: var(--ink-2); max-width: 46ch; }

@media (max-width: 860px) {
  .challenge__grid { grid-template-columns: 1fr; }
  .challenge__intro { position: static; }
}

/* ---------- Pilares (acordeón con fotos) ---------- */
.pillars { background: var(--bg-2); }
.pillars__lead { margin-top: 22px; }
.accordion { margin-top: clamp(40px, 6vw, 72px); display: flex; gap: 14px; height: clamp(400px, 38vw, 520px); }
.acc {
  position: relative; flex: 1 1 0; min-width: 0; border-radius: var(--r-card); overflow: hidden; isolation: isolate;
  background: #2b1d12; color: var(--cream); box-shadow: 0 18px 50px rgba(90, 50, 15, .12);
  transition: flex-grow .7s var(--ease), box-shadow .4s, min-height .6s var(--ease);
}
.acc__img { position: absolute; inset: 0; z-index: -2; width: 100%; height: 100%; object-fit: cover; transform: scale(1.08); opacity: .78; transition: transform 1.2s var(--ease), opacity .6s; }
.acc::after {
  content: ""; position: absolute; inset: 0; z-index: -1; pointer-events: none;
  background:
    radial-gradient(80% 60% at 90% 0%, color-mix(in srgb, var(--c) 55%, transparent), transparent 65%),
    linear-gradient(180deg, rgba(24, 14, 6, .3) 0%, rgba(24, 14, 6, .18) 40%, rgba(24, 14, 6, .85) 100%);
}
.acc.is-open { flex-grow: 3.3; box-shadow: 0 0 0 1.5px color-mix(in srgb, var(--c) 70%, transparent), 0 28px 70px color-mix(in srgb, var(--c) 28%, transparent); }
.acc.is-open .acc__img { transform: scale(1); opacity: 1; }
.acc__head {
  position: absolute; inset: 0; display: flex; flex-direction: column; justify-content: space-between; align-items: flex-start;
  padding: 24px; border: 0; background: none; color: inherit; cursor: pointer; text-align: left;
}
.acc__head i {
  width: 52px; height: 52px; border-radius: 50%; display: grid; place-items: center; font-size: 1.6rem; color: #fff;
  background: color-mix(in srgb, var(--c) 72%, #2b1d12); box-shadow: 0 0 26px color-mix(in srgb, var(--c) 70%, transparent);
  transition: transform .5s var(--ease);
}
.acc__head:hover i { transform: scale(1.08) rotate(-6deg); }
.acc__head span { font: 600 1.12rem/1.2 var(--text); letter-spacing: -.01em; text-shadow: 0 1px 14px rgba(0, 0, 0, .45); transition: opacity .3s; }
.acc.is-open .acc__head span { opacity: 0; }
.acc__body { position: absolute; left: 26px; right: 26px; bottom: 26px; max-width: 44ch; pointer-events: none; opacity: 0; transform: translateY(14px); transition: opacity .35s, transform .5s var(--ease); }
.acc.is-open .acc__body { opacity: 1; transform: none; transition-delay: .2s; }
.acc__body h3 { font: 600 clamp(1.5rem, 2.3vw, 2.05rem)/1.1 var(--text); letter-spacing: -.02em; margin-bottom: 10px; }
.acc__body p { color: rgba(255, 246, 234, .9); }

@media (max-width: 860px) {
  .accordion { flex-direction: column; height: auto; gap: 10px; }
  .acc { flex: none; min-height: 88px; }
  .acc.is-open { min-height: 340px; }
  .acc__head { position: static; flex-direction: row; align-items: center; justify-content: flex-start; gap: 14px; padding: 20px; width: 100%; }
  .acc__head i { width: 44px; height: 44px; font-size: 1.35rem; }
  .acc.is-open .acc__head span { opacity: 1; }
  .acc__body { left: 20px; right: 20px; bottom: 20px; }
}

/* ---------- La red ---------- */
.net {
  text-align: center;
  background:
    radial-gradient(30% 40% at 4% 8%, color-mix(in srgb, var(--o) 16%, transparent), transparent 70%),
    radial-gradient(28% 40% at 96% 6%, color-mix(in srgb, var(--l) 16%, transparent), transparent 70%),
    radial-gradient(30% 40% at 100% 100%, color-mix(in srgb, var(--g) 12%, transparent), transparent 70%),
    var(--bg);
}
.net__hint { margin-top: 14px; color: var(--ink-3); font-size: .98rem; }
.net__stage { position: relative; aspect-ratio: 1000 / 600; max-width: 1100px; margin: clamp(24px, 4vw, 48px) auto 0; text-align: left; }
.net__lines { position: absolute; inset: 0; width: 100%; height: 100%; overflow: visible; }
.net__lines path {
  fill: none; stroke: var(--c); stroke-width: 7; stroke-linecap: round; opacity: .42;
  vector-effect: non-scaling-stroke; transition: opacity .4s, stroke-width .4s;
}
.net__lines path.pulse { stroke-width: 3.5; opacity: .95; stroke-dasharray: 6 94; stroke-dashoffset: 100; animation: pulse-run 2.6s linear infinite; filter: drop-shadow(0 0 6px var(--c)); }
.net__lines path.pulse:nth-of-type(2n) { animation-delay: -1.3s; }
.net__stage.is-paused path.pulse { animation-play-state: paused; }
@keyframes pulse-run { to { stroke-dashoffset: 0; } }
.net__stage.has-active path:not(.is-active) { opacity: .12; }
.net__stage.has-active path.pulse:not(.is-active) { opacity: 0; }
.net__lines path.is-active { opacity: .7; }

.net__hub {
  position: absolute; left: 50%; top: 50%; width: 21%; aspect-ratio: 1; transform: translate(-50%, -50%); border-radius: 50%;
  padding: 6px; background: conic-gradient(from 200deg, var(--o), var(--p), var(--l), var(--b), var(--g), var(--o));
  box-shadow: 0 0 60px rgba(243, 164, 79, .55), 0 0 120px rgba(255, 230, 190, .7);
}
.net__hub img { width: 100%; height: 100%; object-fit: cover; border-radius: 50%; border: 4px solid var(--surface); }

.net__node {
  position: absolute; left: var(--x); top: var(--y); transform: translate(-50%, -50%);
  width: 64px; height: 64px; border-radius: 50%; border: 0; padding: 0; background: none; cursor: pointer;
}
.net__dot {
  position: absolute; inset: 0; border-radius: 50%;
  background: radial-gradient(circle, #fff 0 20%, color-mix(in srgb, var(--c) 70%, #fff) 34%, transparent 36% 52%, color-mix(in srgb, var(--c) 55%, transparent) 54% 60%, transparent 62%);
  box-shadow: 0 0 26px color-mix(in srgb, var(--c) 60%, transparent), inset 0 0 18px color-mix(in srgb, var(--c) 40%, transparent);
  transition: transform .45s var(--ease), box-shadow .45s;
}
.net__node:hover .net__dot, .net__node[aria-pressed="true"] .net__dot { transform: scale(1.18); box-shadow: 0 0 44px var(--c), inset 0 0 18px color-mix(in srgb, var(--c) 50%, transparent); }
.net__label {
  position: absolute; top: 50%; left: calc(100% + 14px); width: clamp(190px, 21vw, 260px); transform: translateY(-50%);
  color: var(--ink-2); font-size: clamp(.9rem, 1.15vw, 1.02rem); line-height: 1.4; text-align: left; transition: color .3s;
}
.net__label strong { display: block; color: var(--ink); font-weight: 600; font-size: 1.08em; margin-bottom: 4px; }
.net__label--left { left: auto; right: calc(100% + 14px); text-align: right; }
.net__label--below { top: calc(100% + 10px); left: 50%; transform: translateX(-50%); text-align: center; width: clamp(220px, 26vw, 300px); }
.net__stage.has-active .net__node[aria-pressed="false"] .net__label { color: var(--ink-3); }

.net__detail {
  max-width: 860px; margin: 28px auto 0; padding: 22px 22px 22px 28px; border-radius: var(--r-card);
  display: flex; align-items: center; gap: 24px; text-align: left; background: var(--surface);
  box-shadow: inset 0 0 0 1px color-mix(in srgb, var(--c, var(--o)) 40%, transparent), 0 20px 50px color-mix(in srgb, var(--c, var(--o)) 16%, transparent);
  animation: rise .6s var(--ease);
}
.net__detail-text { flex: 1; }
.net__detail h3 { font: 600 1.2rem/1.25 var(--text); margin-bottom: 6px; }
.net__detail p { color: var(--ink-2); font-size: 1rem; }
.net__belief { margin: clamp(36px, 5vw, 60px) auto 0; max-width: 40ch; font: 500 clamp(1.15rem, 1.8vw, 1.45rem)/1.4 var(--text); color: var(--ink-2); text-wrap: balance; }
.net__belief strong { color: var(--ink); font-weight: 600; }

@media (max-width: 860px) {
  .net__stage { aspect-ratio: auto; display: grid; gap: 10px; margin-top: 28px; }
  .net__lines { display: none; }
  .net__hub { position: relative; left: auto; top: auto; transform: none; width: 168px; margin: 0 auto 18px; }
  .net__node { position: relative; left: auto; top: auto; transform: none; width: 100%; height: auto; display: grid; grid-template-columns: 44px 1fr; align-items: center; gap: 14px; padding: 14px 16px; border-radius: 18px; background: var(--surface); box-shadow: inset 0 0 0 1px var(--line); text-align: left; }
  .net__node[aria-pressed="true"] { box-shadow: inset 0 0 0 1.5px var(--c); }
  .net__dot { position: relative; width: 44px; height: 44px; }
  .net__label, .net__label--left, .net__label--below { position: static; transform: none; width: auto; text-align: left; font-size: .95rem; }
  .net__detail { flex-direction: column; align-items: stretch; padding: 20px; }
}

/* ---------- Latinoamérica ---------- */
.latam {
  background:
    radial-gradient(30% 40% at 0% 100%, color-mix(in srgb, var(--p) 10%, transparent), transparent 70%),
    var(--bg-2);
  overflow: hidden;
}
.latam__grid { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(32px, 5vw, 72px); align-items: center; }
.latam__text { display: grid; gap: 22px; }
.latam__q { font: 600 1.1rem/1.3 var(--text); margin-top: 8px; }
.aims { list-style: none; margin: 0; padding: 0; position: relative; display: grid; gap: 6px; }
.aims::before { content: ""; position: absolute; left: 21px; top: 26px; bottom: 26px; width: 2px; background: linear-gradient(var(--g), var(--o), var(--p), var(--b), var(--l)); opacity: .35; }
.aim {
  display: grid; grid-template-columns: 44px 1fr; gap: 16px; align-items: center; width: 100%; padding: 10px 0;
  border: 0; background: none; text-align: left; cursor: pointer;
  font: 500 clamp(1.05rem, 1.45vw, 1.22rem)/1.35 var(--text); color: var(--ink-3); transition: color .3s;
}
.aim__node {
  position: relative; width: 22px; height: 22px; margin-left: 11px; border-radius: 50%;
  background: radial-gradient(circle, #fff 0 22%, var(--c) 55%);
  box-shadow: 0 0 12px color-mix(in srgb, var(--c) 60%, transparent); transition: transform .45s var(--ease), box-shadow .45s;
}
.aim--all .aim__node { background: radial-gradient(circle, #fff 0 22%, transparent 24%), conic-gradient(var(--g), var(--o), var(--p), var(--b), var(--l), var(--g)); }
.aim:hover, .aim.is-active { color: var(--ink); }
.aim.is-active .aim__node { transform: scale(1.35); box-shadow: 0 0 0 6px color-mix(in srgb, var(--c) 18%, transparent), 0 0 28px var(--c); }

.latam__map { position: relative; }
.map { display: block; width: 100%; aspect-ratio: 1 / 1.04; }
.conviction {
  position: absolute; left: 0; bottom: 4%; width: min(240px, 38%); padding: 20px 22px; border-radius: var(--r-card);
  background: rgba(255, 253, 250, .92); box-shadow: inset 0 0 0 1px rgba(243, 164, 79, .45), 0 0 40px rgba(243, 164, 79, .25);
  font-size: 1rem; line-height: 1.45; text-align: center; color: var(--ink-2);
}
.conviction strong { display: block; color: var(--ink); margin-bottom: 4px; }

@media (max-width: 860px) {
  .latam__grid { grid-template-columns: 1fr; }
  .latam__map { max-width: 520px; margin-inline: auto; width: 100%; }
  .conviction { position: static; width: auto; margin-top: -12px; }
}

/* ---------- Neurofuturo ---------- */
.future {
  position: relative; display: grid; grid-template-columns: 1fr 1fr; align-items: center; min-height: clamp(640px, 56vw, 880px); overflow: hidden;
  background: radial-gradient(50% 60% at 100% 0%, rgba(243, 164, 79, .22), transparent 70%), radial-gradient(40% 50% at 70% 100%, color-mix(in srgb, var(--p) 12%, transparent), transparent 70%), var(--bg);
}
.future__media { position: relative; grid-row: 1 / span 2; align-self: stretch; overflow: hidden; border-radius: 0 40px 40px 0; }
.future__media img { width: 100%; height: 100%; object-fit: cover; object-position: 50% 45%; }
.future__media::after { content: ""; position: absolute; inset: 0; background: linear-gradient(0deg, rgba(40, 20, 5, .25), transparent 40%); pointer-events: none; }
.future__content { grid-column: 2; padding: clamp(96px, 9vw, 130px) clamp(24px, 5vw, 80px) 28px; display: grid; gap: clamp(24px, 3vw, 40px); max-width: 680px; }
.future__title { font: 500 clamp(1.9rem, 3.2vw, 3rem)/1.1 var(--display); text-transform: uppercase; letter-spacing: .005em; text-wrap: balance; }
.future__list { list-style: none; margin: 0; padding: 0; display: grid; gap: 22px; }
.future__list li {
  position: relative; padding-left: 34px; font: 400 clamp(1.08rem, 1.5vw, 1.3rem)/1.42 var(--text); color: var(--ink-2);
  transition: color .6s, opacity .8s var(--ease), transform .8s var(--ease);
}
.future__list li::before { content: ""; position: absolute; left: 0; top: .45em; width: 14px; height: 14px; border-radius: 50%; background: radial-gradient(circle, #fff 0 25%, var(--c) 60%); box-shadow: 0 0 14px var(--c); }
.js .future__list li { opacity: 0; transform: translateX(22px); }
.js .future__list li.is-in { opacity: 1; transform: none; color: var(--ink); }
.future__invite {
  grid-column: 2; align-self: start; margin: 0 clamp(24px, 5vw, 80px) clamp(48px, 6vw, 80px); max-width: 600px;
  display: flex; flex-wrap: wrap; align-items: center; gap: 18px 24px; padding: 22px 22px 22px 26px; border-radius: var(--r-card);
  border: 1.5px solid transparent;
  background: linear-gradient(rgba(255, 251, 245, .96), rgba(255, 251, 245, .96)) padding-box, linear-gradient(100deg, var(--o), var(--p), var(--l), var(--b), var(--g)) border-box;
  box-shadow: 0 0 40px rgba(243, 164, 79, .28);
}
.future__invite p { flex: 1 1 280px; color: var(--ink-2); font-size: 1.02rem; }
.future__invite strong { color: var(--ink); }

@media (max-width: 860px) {
  .future { grid-template-columns: 1fr; min-height: 0; }
  .future__media { grid-row: auto; aspect-ratio: 4 / 5; max-height: 72vh; border-radius: 0 0 32px 32px; }
  .future__content, .future__invite { grid-column: 1; }
  .future__content { padding: 40px 16px 8px; }
  .future__invite { margin: 28px 16px 56px; flex-direction: column; align-items: stretch; padding: 20px; }
}

/* ---------- Registro ---------- */
.join { background: var(--bg); }
.join__grid { display: grid; grid-template-columns: 5fr 7fr; gap: clamp(40px, 6vw, 96px); align-items: start; }
.join__intro { position: sticky; top: calc(var(--nav-h) + 40px); display: grid; gap: 22px; }
.steps { list-style: none; margin: 18px 0 0; padding: 0; display: grid; gap: 26px; position: relative; }
.steps::before { content: ""; position: absolute; left: 9px; top: 12px; bottom: 12px; width: 2px; background: linear-gradient(var(--o), var(--p), var(--g)); opacity: .35; }
.steps li { position: relative; padding-left: 40px; }
.steps li::before { content: ""; position: absolute; left: 0; top: 4px; width: 20px; height: 20px; border-radius: 50%; background: radial-gradient(circle, #fff 0 25%, var(--c) 60%); box-shadow: 0 0 16px var(--c); }
.steps h3 { font: 600 1.15rem/1.3 var(--text); }
.steps p { color: var(--ink-2); font-size: 1rem; }

.form-card { background: var(--surface); border-radius: var(--r-card); padding: clamp(22px, 3.4vw, 40px); box-shadow: 0 0 0 1px var(--line), 0 30px 80px rgba(120, 70, 20, .1); }
.form { display: grid; gap: 22px; }
.form__row { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 18px 16px; }
.form__row--3 { grid-template-columns: repeat(auto-fit, minmax(170px, 1fr)); }
.field { display: grid; gap: 8px; align-content: start; border: 0; margin: 0; padding: 0; min-width: 0; }
.label { font: 600 .95rem/1.3 var(--text); color: var(--ink); padding: 0; }
.req { color: var(--accent); }
.opt { color: var(--ink-3); font-weight: 400; }
.input {
  width: 100%; min-height: 50px; padding: 12px 14px; border-radius: var(--r-input);
  border: 1px solid rgba(36, 29, 23, .26); background: #fff; color: var(--ink); font: 400 1rem/1.4 var(--text);
  transition: border-color .2s, box-shadow .2s;
}
.input::placeholder { color: var(--ink-3); }
.input:hover { border-color: rgba(36, 29, 23, .45); }
.input:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 4px rgba(243, 164, 79, .25); }
.input[aria-invalid="true"] { border-color: #b3261e; }
.input--area { min-height: 110px; resize: vertical; }
select.input { appearance: none; background-image: linear-gradient(45deg, transparent 50%, var(--ink-2) 50%), linear-gradient(135deg, var(--ink-2) 50%, transparent 50%); background-position: calc(100% - 20px) 50%, calc(100% - 14px) 50%; background-size: 6px 6px; background-repeat: no-repeat; padding-right: 40px; }
.error { color: #b3261e; font-size: .88rem; min-height: 0; }
.error:empty { display: none; }

.chips { display: flex; flex-wrap: wrap; gap: 10px; }
.chip { position: relative; cursor: pointer; }
.chip input { position: absolute; opacity: 0; inset: 0; margin: 0; cursor: pointer; }
.chip span {
  display: inline-flex; align-items: center; gap: 8px; min-height: 44px; padding: 0 16px; border-radius: 999px;
  border: 1px solid rgba(36, 29, 23, .22); background: #fff; font-weight: 500; font-size: .95rem; color: var(--ink-2);
  transition: border-color .2s, background-color .2s, color .2s, box-shadow .2s;
}
.chip span::before { content: ""; width: 10px; height: 10px; border-radius: 50%; background: var(--c, var(--glow)); opacity: .55; transition: opacity .2s, box-shadow .2s; }
.chips--sm .chip span { min-height: 40px; font-size: .92rem; }
.chips--sm .chip span::before { display: none; }
.chip:hover span { border-color: rgba(36, 29, 23, .45); }
.chip input:checked + span { border-color: var(--c, var(--accent)); background: color-mix(in srgb, var(--c, var(--glow)) 12%, #fff); color: var(--ink); }
.chip input:checked + span::before { opacity: 1; box-shadow: 0 0 10px var(--c, var(--glow)); }
.chip input:focus-visible + span { outline: 2px solid var(--accent); outline-offset: 2px; }

.checks { display: grid; gap: 12px; }
.check { display: grid; grid-template-columns: 22px 1fr; gap: 12px; align-items: start; font-size: .95rem; color: var(--ink-2); cursor: pointer; }
.check input { width: 20px; height: 20px; margin: 2px 0 0; accent-color: var(--accent); }
.check a { color: var(--accent); }
.hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.form__status { font-size: .95rem; color: #b3261e; }
.form__status:empty { display: none; }
.form__status.is-info { color: var(--ink-2); }

.thanks { display: grid; justify-items: center; text-align: center; gap: 14px; padding: 36px 8px; }
.thanks:focus { outline: none; }
.thanks__node { width: 72px; height: 72px; border-radius: 50%; display: grid; place-items: center; font-size: 2rem; color: #fff; background: radial-gradient(circle at 35% 30%, #8fe39d, var(--g)); box-shadow: 0 0 40px color-mix(in srgb, var(--g) 60%, transparent); }
.thanks h3 { font: 600 1.5rem/1.2 var(--text); letter-spacing: -.015em; }
.thanks p { color: var(--ink-2); max-width: 44ch; }

@media (max-width: 960px) {
  .join__grid { grid-template-columns: 1fr; }
  .join__intro { position: static; }
}

/* ---------- Preguntas (tarjetas flotantes) ---------- */
.faq { background: var(--bg-2); overflow: hidden; text-align: center; isolation: isolate; }
.faq__glow {
  position: absolute; inset: 0; z-index: -1; pointer-events: none;
  background:
    radial-gradient(26% 32% at 12% 22%, color-mix(in srgb, var(--o) 22%, transparent), transparent 70%),
    radial-gradient(24% 30% at 88% 30%, color-mix(in srgb, var(--l) 20%, transparent), transparent 70%),
    radial-gradient(28% 34% at 30% 92%, color-mix(in srgb, var(--g) 16%, transparent), transparent 70%),
    radial-gradient(26% 30% at 80% 88%, color-mix(in srgb, var(--p) 18%, transparent), transparent 70%);
}
.faq__title { max-width: 18ch; margin-inline: auto; }
.faq__hint { margin-top: 14px; color: var(--ink-3); }
.qcards { list-style: none; margin: clamp(44px, 6vw, 80px) 0 0; padding: 0; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 28px 26px; text-align: left; }
.qcard { perspective: 1400px; }
.qcard:nth-child(3n + 2) { margin-top: 60px; }
.qcard:nth-child(3n) { margin-top: 24px; }
.qcard__float { animation: float calc(5.6s + var(--i) * .5s) ease-in-out infinite; animation-delay: calc(var(--i) * -1.1s); }
.faq.is-paused .qcard__float { animation-play-state: paused; }
@keyframes float { 0%, 100% { transform: translate3d(0, 0, 0) rotate(-.7deg); } 50% { transform: translate3d(0, -14px, 0) rotate(.7deg); } }
.qcard__inner {
  position: relative; display: grid; width: 100%; padding: 0; border: 0; background: none; color: inherit; text-align: left; cursor: pointer;
  transform-style: preserve-3d; transition: transform .85s cubic-bezier(.2, .8, .2, 1);
}
.qcard.is-flipped .qcard__inner { transform: rotateY(180deg); }
.qcard__inner:focus-visible { outline: none; }
.qcard__inner:focus-visible .qcard__face { outline: 2px solid var(--accent); outline-offset: 3px; }
.qcard__face {
  grid-area: 1 / 1; display: flex; flex-direction: column; align-items: flex-start; gap: 16px; min-height: 240px; padding: 26px;
  border-radius: var(--r-card); background: var(--surface); backface-visibility: hidden; -webkit-backface-visibility: hidden;
  box-shadow: inset 0 0 0 1px color-mix(in srgb, var(--c) 32%, transparent), 0 26px 60px color-mix(in srgb, var(--c) 18%, transparent), 0 2px 10px rgba(80, 45, 15, .06);
  transition: box-shadow .4s;
}
.qcard__inner:hover .qcard__face { box-shadow: inset 0 0 0 1.5px color-mix(in srgb, var(--c) 60%, transparent), 0 34px 70px color-mix(in srgb, var(--c) 28%, transparent), 0 2px 10px rgba(80, 45, 15, .06); }
.qcard__back { transform: rotateY(180deg); background: linear-gradient(160deg, color-mix(in srgb, var(--c) 16%, #fff), var(--surface) 62%); }
.qcard__icon {
  width: 52px; height: 52px; border-radius: 50%; display: grid; place-items: center; font-size: 1.5rem; color: var(--c); background: #fff;
  box-shadow: 0 0 0 1px color-mix(in srgb, var(--c) 40%, transparent), 0 0 28px color-mix(in srgb, var(--c) 45%, transparent);
  transition: transform .5s var(--ease);
}
.qcard__inner:hover .qcard__icon { transform: scale(1.1) rotate(-8deg); }
.qcard__q { flex: 1; font: 600 clamp(1.15rem, 1.5vw, 1.35rem)/1.3 var(--text); letter-spacing: -.015em; color: var(--ink); }
.qcard__a { flex: 1; color: var(--ink-2); font-size: 1rem; line-height: 1.55; }
.qcard__a strong { color: var(--ink); }
.qcard__hint { display: inline-flex; align-items: center; gap: 6px; font-weight: 600; font-size: .92rem; color: var(--accent); }
.qcard__hint i { transition: transform .35s var(--ease); }
.qcard__inner:hover .qcard__hint i { transform: translateX(3px); }

@media (max-width: 960px) {
  .qcards { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .qcard:nth-child(n) { margin-top: 0; }
  .qcard:nth-child(2n) { margin-top: 36px; }
}
@media (max-width: 600px) {
  .qcards { grid-template-columns: 1fr; gap: 16px; }
  .qcard:nth-child(n) { margin-top: 0; }
  .qcard__face { min-height: 0; }
  .qcard__float { animation-name: float-sm; }
}
@keyframes float-sm { 0%, 100% { transform: translate3d(0, 0, 0); } 50% { transform: translate3d(0, -6px, 0); } }

/* ---------- Cierre con foto ---------- */
.footer { position: relative; overflow: hidden; isolation: isolate; padding: clamp(130px, 17vw, 240px) 0 36px; text-align: center; color: var(--cream); background: #2a1a0d; }
.footer__media { position: absolute; inset: 0; z-index: -2; }
.footer__media picture, .footer__media img { display: block; width: 100%; height: 100%; }
.footer__media img { object-fit: cover; object-position: 50% 55%; }
.footer::before {
  content: ""; position: absolute; inset: 0; z-index: -1; pointer-events: none;
  background:
    radial-gradient(60% 46% at 50% 32%, rgba(26, 14, 5, .38), transparent 72%),
    linear-gradient(180deg, rgba(26, 14, 5, .45) 0%, rgba(26, 14, 5, .12) 30%, rgba(26, 14, 5, .5) 62%, rgba(26, 14, 5, .92) 100%);
}
.footer__claim { max-width: 19ch; margin: 0 auto 36px; font: 500 clamp(2rem, 4.5vw, 3.9rem)/1.08 var(--text); letter-spacing: -.025em; text-wrap: balance; text-shadow: 0 2px 30px rgba(20, 10, 2, .5); }
.footer__bottom { margin-top: clamp(110px, 15vw, 220px); padding-top: 28px; border-top: 1px solid rgba(255, 246, 234, .2); display: grid; grid-template-columns: 1fr auto; gap: 18px 32px; text-align: left; align-items: start; }
.footer__brand { display: inline-block; margin-bottom: 10px; padding: 8px 16px; border-radius: 18px; background: rgba(255, 252, 247, .95); }
.footer__brand img { height: 64px; width: auto; }
.footer__muted { color: rgba(255, 246, 234, .72); font-size: .92rem; }
.footer__links { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; gap: 8px 24px; }
.footer__links a { display: inline-flex; align-items: center; gap: 6px; min-height: 44px; text-decoration: none; color: rgba(255, 246, 234, .86); font-weight: 500; }
.footer__links a:hover { color: var(--cream); }
.footer__legal { grid-column: 1 / -1; }

@media (max-width: 640px) {
  .footer__bottom { grid-template-columns: 1fr; }
}

/* ---------- Movimiento reducido ---------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; transition-delay: 0s !important; }
  .js .reveal, .js [data-in], .js .future__list li, .js [data-split] .ch { opacity: 1; transform: none; }
  .net__lines path.pulse { display: none; }
  .qcard__float { animation: none !important; }
}