/* Academia UTN.LABS — hermana del sitio principal (noche, rosa, violeta, naranja, Montserrat),
   con identidad propia: el aula. Un pizarrón de fondo, la «IA» encendida y el texto en primer plano. */

:root {
  --fondo: #100c20;
  --fondo-2: #1a1330;
  --fondo-3: #221a3d;
  --superficie: rgba(255, 255, 255, .045);
  --superficie-2: rgba(255, 255, 255, .08);
  --borde: rgba(255, 224, 227, .1);
  --borde-fuerte: rgba(255, 224, 227, .22);
  --texto: #fff4f5;
  --texto-2: #cdc3e2;
  --texto-3: #a197c0;
  --rosa: #ffe0e3;
  --violeta: #a865e0;
  --magenta: #d65aa0;
  --naranja: #ff4500;
  --wa: #25d366;
  --grad: linear-gradient(115deg, var(--violeta) 0%, var(--magenta) 52%, var(--naranja) 100%);
  --grad-boton: linear-gradient(115deg, #9b4fd6 0%, #c23a86 52%, #d63a00 100%);
  --radio: 22px;
  --radio-chico: 14px;
  --f-titulos: "Montserrat", ui-sans-serif, system-ui, sans-serif;
  --f-texto: "Inter", ui-sans-serif, system-ui, -apple-system, "Segoe UI", sans-serif;
  --suave: cubic-bezier(.2, .7, .2, 1);
  --ancho: 1180px;
  --gutter: 16px;
  color-scheme: dark;
}
@media (min-width: 720px) { :root { --gutter: 28px; } }

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; scroll-padding-top: 80px; }
body { margin: 0; background: var(--fondo); color: var(--texto); font: 400 16px/1.6 var(--f-texto); -webkit-font-smoothing: antialiased; overflow-x: hidden; }
img, svg { max-width: 100%; display: block; }
a { color: inherit; }
a:focus-visible, button:focus-visible { outline: 2px solid var(--naranja); outline-offset: 3px; }
h1, h2, h3 { font-family: var(--f-titulos); font-weight: 800; letter-spacing: -.025em; line-height: 1.08; margin: 0; }
p { margin: 0 0 1em; }
.contenedor { width: 100%; max-width: var(--ancho); margin: 0 auto; padding: 0 var(--gutter); }
.saltar { position: absolute; left: -9999px; top: 8px; background: var(--texto); color: var(--fondo); padding: 8px 14px; border-radius: 8px; z-index: 100; }
.saltar:focus { left: 8px; }
.centrado { text-align: center; display: grid; justify-items: center; }

/* ── Cabecera ─────────────────────────────────────────────────────────── */
.cabecera {
  position: sticky; top: 0; z-index: 50; background: rgba(16, 12, 32, .72);
  backdrop-filter: saturate(1.4) blur(14px); -webkit-backdrop-filter: saturate(1.4) blur(14px);
  border-bottom: 1px solid var(--borde); transition: background .3s, box-shadow .3s;
}
.cabecera--abajo { background: rgba(16, 12, 32, .9); box-shadow: 0 10px 30px -18px rgba(0, 0, 0, .8); }
.cabecera__fila { display: flex; align-items: center; gap: 16px; min-height: 64px; }
.cabecera__logo { display: block; flex: none; margin-right: auto; }
.cabecera__logo img { height: 22px; width: auto; }
@media (max-width: 420px) { .cabecera__logo img { height: 19px; } }
.cabecera__paraguas { border-bottom: 1px solid var(--borde); background: rgba(255, 255, 255, .025); }
.cabecera__paraguas .contenedor { display: flex; align-items: center; min-height: 32px; }
.volver { display: inline-flex; gap: 6px; align-items: center; color: var(--texto-2); text-decoration: none; font-size: 13px; font-weight: 600; letter-spacing: .02em; padding: 4px 0; }
.volver span[aria-hidden] { transition: translate .25s var(--suave); }
.volver:hover { color: var(--texto); }
.volver:hover span[aria-hidden] { translate: -3px 0; }
.volver__extra { font-weight: 400; color: var(--texto-3); }
@media (max-width: 560px) { .volver__extra { display: none; } }
.nav { display: none; gap: 2px; }
.nav a { text-decoration: none; color: var(--texto-2); font-weight: 500; font-size: 15px; padding: 7px 12px; border-radius: 999px; transition: color .15s, background .15s; }
.nav a:hover { color: var(--texto); background: var(--superficie-2); }
@media (min-width: 860px) { .nav { display: flex; } }

/* ── Botones ──────────────────────────────────────────────────────────── */
.boton {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px; min-height: 48px; padding: 0 24px;
  border-radius: 999px; border: 0; background: var(--grad-boton); background-size: 170% 100%; color: #fff;
  position: relative; overflow: hidden; isolation: isolate;
  font: 600 15px/1 var(--f-texto); text-decoration: none; cursor: pointer; white-space: nowrap;
  box-shadow: 0 10px 30px -12px rgba(214, 90, 160, .65);
  transition: transform .25s var(--suave), box-shadow .25s, background-position .6s var(--suave), filter .2s;
}
.boton:hover { transform: translateY(-2px); background-position: 100% 0; box-shadow: 0 16px 36px -12px rgba(214, 90, 160, .85); }
.boton:active { transform: scale(.97); }
.boton--grande { min-height: 54px; padding: 0 28px; font-size: 16px; }
.boton--chico { min-height: 40px; padding: 0 16px; font-size: 14px; }
.boton--fantasma { background: var(--superficie-2); box-shadow: inset 0 0 0 1px var(--borde-fuerte); }
.boton--fantasma:hover { background: rgba(255, 255, 255, .13); box-shadow: inset 0 0 0 1px var(--borde-fuerte); }
.boton--wa { background: #1a8f4a; box-shadow: 0 10px 30px -12px rgba(37, 211, 102, .55); }
.boton--wa:hover { background: #18a453; box-shadow: 0 16px 36px -12px rgba(37, 211, 102, .7); }
.boton--ancho { width: 100%; }
.link-flecha { color: var(--texto); font-weight: 600; text-decoration: none; }
.link-flecha span { display: inline-block; transition: transform .2s; }
.link-flecha:hover span { transform: translate(2px, -2px); }
.eyebrow { font: 600 12px/1 var(--f-texto); letter-spacing: .16em; text-transform: uppercase; color: var(--texto-3); margin: 0 0 14px; }
.eyebrow::before { content: ""; display: inline-block; width: 18px; height: 2px; border-radius: 2px; margin-right: 10px; vertical-align: middle; background: var(--grad); translate: 0 -2px; }
.chip-kicker {
  display: inline-flex; align-items: center; gap: 10px; padding: 7px 14px 7px 12px; border-radius: 999px; max-width: 100%;
  background: var(--superficie); border: 1px solid var(--borde); color: var(--texto-2); font-size: 14px; font-weight: 500; margin-bottom: 22px;
}
.punto { flex: none; width: 8px; height: 8px; border-radius: 50%; background: var(--naranja); box-shadow: 0 0 0 4px rgba(255, 69, 0, .2); }

/* ── Hero: el pizarrón ────────────────────────────────────────────────── */
.hero { position: relative; overflow: hidden; isolation: isolate; padding: 48px 0 56px; }
@media (min-width: 900px) { .hero { padding: 88px 0 96px; } }
.hero__fondo { position: absolute; inset: 0; z-index: -1;
  background:
    radial-gradient(640px 420px at 88% 8%, rgba(255, 69, 0, .2), transparent 70%),
    radial-gradient(760px 520px at 6% 0%, rgba(168, 101, 224, .36), transparent 70%),
    radial-gradient(520px 420px at 55% 115%, rgba(214, 90, 160, .2), transparent 70%); }
.hero__fondo::after { content: ""; position: absolute; inset: 0;
  background-image: linear-gradient(rgba(255, 224, 227, .05) 1px, transparent 1px), linear-gradient(90deg, rgba(255, 224, 227, .05) 1px, transparent 1px);
  background-size: 44px 44px;
  mask-image: radial-gradient(ellipse at 40% 30%, #000 25%, transparent 72%); -webkit-mask-image: radial-gradient(ellipse at 40% 30%, #000 25%, transparent 72%); }
.hero__contenido { display: grid; gap: 40px; align-items: center; }
@media (min-width: 1000px) { .hero__contenido { grid-template-columns: minmax(0, 1.25fr) minmax(0, .75fr); gap: 56px; } }
.hero__logo { width: min(420px, 82vw); margin-bottom: 28px; }
.hero__logo svg { width: 100%; height: auto; overflow: visible; }
.hero__titulo {
  font-size: clamp(40px, 8.2vw, 84px); font-weight: 900; letter-spacing: -.045em; line-height: .98; max-width: 12ch;
  background: linear-gradient(100deg, var(--rosa) 0%, var(--rosa) 30%, var(--violeta) 55%, var(--magenta) 75%, var(--naranja) 100%);
  -webkit-background-clip: text; background-clip: text; color: transparent; padding-bottom: .06em;
}
.hero__titulo--curso { font-size: clamp(34px, 6.4vw, 68px); max-width: 18ch; }
.hero__bajada { font-size: clamp(17px, 2.2vw, 21px); color: var(--texto-2); margin: 22px 0 30px; max-width: 40ch; }
.hero__acciones { display: flex; flex-wrap: wrap; gap: 12px; }
@media (max-width: 520px) { .hero__acciones .boton { flex: 1 1 100%; } }

/* El video del programa: un teléfono con el brillo de la marca. Arriba en el celular, al costado en desktop. */
.hero--video { padding-top: 28px; }
.hero--video .hero__contenido { grid-template-areas: "video" "texto" "pase"; gap: 32px; }
.hero--video .hero__texto { grid-area: texto; }
.hero--video .pase { grid-area: pase; }
@media (min-width: 900px) {
  .hero--video .hero__contenido { grid-template-columns: minmax(0, 1fr) minmax(280px, 340px); grid-template-areas: "texto video" "pase video"; column-gap: 64px; row-gap: 36px; align-items: center; }
  .hero--video .pase { align-self: start; max-width: 520px; }
}
@media (min-width: 1100px) { .hero--video .hero__contenido { grid-template-columns: minmax(0, 1fr) 360px; column-gap: 88px; } }
.video-hero { grid-area: video; position: relative; margin: 0 auto; width: min(100%, 250px); isolation: isolate; }
@media (min-width: 560px) { .video-hero { width: 290px; } }
@media (min-width: 900px) { .hero--video { padding-top: 72px; } .video-hero { width: 100%; } }
.video-hero::before {
  content: ""; position: absolute; inset: 6% -14% -4%; z-index: -1; border-radius: 50%; filter: blur(44px); opacity: .75; pointer-events: none;
  background: radial-gradient(closest-side at 30% 30%, rgba(168, 101, 224, .9), transparent),
              radial-gradient(closest-side at 75% 70%, rgba(255, 69, 0, .7), transparent),
              radial-gradient(closest-side at 50% 50%, rgba(214, 90, 160, .6), transparent);
}
.video-hero__pantalla {
  position: relative; display: block; width: 100%; aspect-ratio: 9 / 16; overflow: hidden; border-radius: 30px; padding: 0;
  border: 1.5px solid transparent; color: #fff; text-decoration: none; cursor: pointer;
  background: var(--fondo-2) padding-box,
              conic-gradient(from var(--giro, 0deg), var(--violeta), var(--magenta), var(--naranja), var(--rosa), var(--violeta)) border-box;
  box-shadow: 0 40px 90px -36px rgba(0, 0, 0, .95), 0 0 0 6px rgba(16, 12, 32, .6);
}
.video-hero__pantalla img, .video-hero__pantalla video { width: 100%; height: 100%; object-fit: cover; border-radius: 28.5px; background: #000; }
video.video-hero__pantalla { object-fit: cover; background: #000; }
.video-hero__pantalla::after { content: ""; position: absolute; inset: 0; border-radius: inherit; pointer-events: none;
  background: linear-gradient(180deg, rgba(16, 12, 32, 0) 55%, rgba(16, 12, 32, .55) 100%); transition: opacity .3s; }
.video-hero__play {
  position: absolute; left: 50%; top: 40%; translate: -50% -50%; display: grid; place-items: center; width: 84px; height: 84px; border-radius: 50%;
  background: var(--grad-boton); box-shadow: 0 0 0 10px rgba(255, 244, 245, .14), 0 18px 40px -10px rgba(214, 90, 160, .9);
  transition: scale .3s var(--suave), box-shadow .3s;
}
.video-hero__play svg { translate: 2px 0; }
.video-hero__etiqueta {
  position: absolute; left: 50%; bottom: 18px; translate: -50% 0; z-index: 1; white-space: nowrap; padding: 8px 14px; border-radius: 999px;
  background: rgba(16, 12, 32, .72); backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px);
  border: 1px solid var(--borde-fuerte); font-size: 13px; font-weight: 600; letter-spacing: .02em;
}
.video-hero__pantalla:hover .video-hero__play, .video-hero__pantalla:focus-visible .video-hero__play { scale: 1.08; box-shadow: 0 0 0 14px rgba(255, 244, 245, .18), 0 22px 48px -10px rgba(214, 90, 160, 1); }
.video-hero--reproduciendo .video-hero__pantalla::after { opacity: 0; }
@media (prefers-reduced-motion: no-preference) {
  .video-hero__play::before { content: ""; position: absolute; inset: 0; border-radius: 50%; box-shadow: 0 0 0 0 rgba(255, 244, 245, .35); animation: latido-play 2.4s var(--suave) infinite; }
}
@keyframes latido-play { 0% { box-shadow: 0 0 0 0 rgba(255, 244, 245, .35); } 70%, 100% { box-shadow: 0 0 0 22px rgba(255, 244, 245, 0); } }

/* El pase al próximo programa: una entrada, con su troquel */
.pase {
  position: relative; display: grid; gap: 10px; padding: 26px 26px 22px; border-radius: var(--radio); text-decoration: none; color: var(--texto);
  background: linear-gradient(150deg, rgba(42, 28, 76, .96), rgba(24, 17, 44, .96)) padding-box,
              conic-gradient(from var(--giro, 0deg), var(--violeta), var(--magenta), var(--naranja), var(--rosa), var(--violeta)) border-box;
  border: 1.5px solid transparent; box-shadow: 0 30px 70px -30px rgba(0, 0, 0, .9);
  transition: translate .35s var(--suave), box-shadow .35s;
}
.pase::before, .pase::after { content: ""; position: absolute; top: 64%; width: 22px; height: 22px; border-radius: 50%; background: var(--fondo); }
.pase::before { left: -12px; } .pase::after { right: -12px; }
.pase:hover { translate: 0 -4px; box-shadow: 0 40px 80px -30px rgba(168, 101, 224, .55); }
.pase__kicker { display: inline-flex; align-items: center; gap: 10px; font-size: 13px; font-weight: 600; letter-spacing: .12em; text-transform: uppercase; color: var(--texto-3); }
.pase__nombre { font: 800 clamp(22px, 2.6vw, 27px)/1.15 var(--f-titulos); letter-spacing: -.02em; }
.pase__fecha { font: 800 20px/1.2 var(--f-titulos); background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; }
.pase__lineas { display: grid; gap: 2px; color: var(--texto-2); font-size: 15px; padding-top: 14px; margin-top: 4px; border-top: 1px dashed var(--borde-fuerte); }
.pase__ver { font-weight: 600; margin-top: 8px; }

/* ── Secciones ────────────────────────────────────────────────────────── */
.seccion { padding-block: 56px; }
@media (min-width: 900px) { .seccion { padding-block: 88px; } }
.seccion__titulo { font-size: clamp(28px, 4.4vw, 46px); font-weight: 800; max-width: 22ch; margin-bottom: 16px; }
.seccion__bajada { color: var(--texto-2); font-size: clamp(17px, 2vw, 19px); max-width: 56ch; }

/* Manifiesto */
.manifiesto { list-style: none; margin: 32px 0 0; padding: 0; display: grid; gap: 16px; }
@media (min-width: 820px) { .manifiesto { grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 20px; } }
.manifiesto__item { position: relative; padding: 28px 26px 22px; border-radius: var(--radio); background: var(--superficie); border: 1px solid var(--borde); overflow: hidden; transition: border-color .3s, translate .35s var(--suave); }
.manifiesto__item:hover { border-color: var(--borde-fuerte); translate: 0 -3px; }
.manifiesto__item::before { content: ""; position: absolute; inset: auto 0 0; height: 3px; background: var(--grad); scale: 0 1; transform-origin: left; transition: scale .6s var(--suave); }
.manifiesto__item:hover::before { scale: 1 1; }
.manifiesto__num { display: block; font: 900 44px/1 var(--f-titulos); letter-spacing: -.04em; background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; margin-bottom: 18px; }
.manifiesto__titulo { font-size: 22px; margin-bottom: 10px; }
.manifiesto__item p { color: var(--texto-2); margin: 0; }

/* El programa (protagonista) */
.programa__caja {
  display: grid; gap: 32px; padding: clamp(24px, 4vw, 48px); border-radius: calc(var(--radio) + 6px);
  background: radial-gradient(600px 300px at 100% 0%, rgba(255, 69, 0, .14), transparent 70%), radial-gradient(500px 340px at 0% 100%, rgba(168, 101, 224, .2), transparent 70%), var(--fondo-2);
  border: 1px solid var(--borde);
}
@media (min-width: 960px) { .programa__caja { grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr); align-items: center; } }
.programa__titulo { font-size: clamp(28px, 4vw, 44px); margin-bottom: 14px; max-width: 20ch; }
.programa__docente { color: var(--texto-2); }
.programa__docente a { color: var(--texto); font-weight: 600; text-decoration-color: rgba(255, 224, 227, .4); text-underline-offset: 3px; }
.datos { margin: 0; display: grid; gap: 0; }
.datos__item { padding: 14px 0; border-bottom: 1px solid var(--borde); display: grid; gap: 2px; }
.datos__item:first-child { padding-top: 0; }
.datos__item:last-child { border-bottom: 0; }
.datos dt { font-size: 12px; font-weight: 600; letter-spacing: .14em; text-transform: uppercase; color: var(--texto-3); }
.datos dd { margin: 0; font: 700 18px/1.35 var(--f-titulos); }
.otros { list-style: none; padding: 0; margin: 20px 0 0; display: grid; gap: 10px; }
.otros__item { display: flex; justify-content: space-between; gap: 12px; padding: 16px 20px; border-radius: var(--radio-chico); background: var(--superficie); border: 1px solid var(--borde); text-decoration: none; font-weight: 600; }
.otros__item small { color: var(--texto-3); font-weight: 500; }

/* Quién lo dicta */
.docente { display: grid; gap: 32px; align-items: center; }
@media (min-width: 900px) { .docente { grid-template-columns: minmax(0, .9fr) minmax(0, 1.1fr); gap: 64px; } }
.docente__foto { position: relative; margin: 0; border-radius: calc(var(--radio) + 4px); overflow: hidden; isolation: isolate; aspect-ratio: 50 / 42; background: #000; }
.docente__foto { outline: 2px solid transparent; box-shadow: 0 0 0 2px rgba(168, 101, 224, .55), 0 0 0 8px rgba(168, 101, 224, .1), 0 40px 80px -36px rgba(255, 69, 0, .55); }
.docente__foto::before { content: ""; position: absolute; inset: 0; z-index: 1; pointer-events: none; background: linear-gradient(160deg, rgba(168, 101, 224, .25), transparent 45%, rgba(255, 69, 0, .25)); mix-blend-mode: screen; }
.docente__foto::after { content: ""; position: absolute; inset: 0; z-index: 2; border-radius: inherit; box-shadow: inset 0 0 0 1px rgba(255, 224, 227, .18); pointer-events: none; }
.docente__foto img { width: 100%; height: 100%; object-fit: cover; transition: scale 1.2s var(--suave); }
.docente:hover .docente__foto img { scale: 1.04; }
.docente__rol { font-weight: 600; color: var(--rosa); margin-top: -4px; }
.docente__cita { margin: 24px 0; padding: 4px 0 4px 20px; border-left: 3px solid; border-image: var(--grad) 1; font: 600 clamp(18px, 2vw, 21px)/1.45 var(--f-titulos); letter-spacing: -.01em; color: var(--texto); }
.docente__cita p { margin: 0; }
.prosa { color: var(--texto-2); font-size: 17px; }
.prosa--chica { font-size: 16px; }
.prosa strong { color: var(--texto); }
.prosa ul, .prosa ol { padding-left: 1.2em; }
.prosa li { margin-bottom: .45em; }
.prosa li::marker { color: var(--magenta); }
.prosa h2 { color: var(--texto); font-size: clamp(22px, 2.8vw, 28px); margin: 1.8em 0 .6em; }
.prosa h2:first-child { margin-top: 0; }
.prosa a { color: #e8d6ff; }

/* Levantá la mano */
.presencial { display: grid; gap: 20px; align-items: center; padding: clamp(28px, 5vw, 56px); border-radius: calc(var(--radio) + 6px); background: linear-gradient(135deg, #2a1640, #3a1630 60%, #3d1a12); border: 1px solid var(--borde); }
@media (min-width: 760px) { .presencial { grid-template-columns: auto minmax(0, 1fr); gap: 40px; } }
.presencial__mano { font-size: clamp(64px, 10vw, 112px); line-height: 1; transform-origin: 70% 90%; filter: drop-shadow(0 16px 30px rgba(255, 69, 0, .35)); }
.presencial__titulo { font-size: clamp(36px, 6vw, 64px); font-weight: 900; letter-spacing: -.04em; margin-bottom: 14px; }

/* Testimonios: lo que brilla */
.testimonios { background: radial-gradient(900px 500px at 50% 0%, rgba(168, 101, 224, .16), transparent 70%); }
.testimonios__grilla { list-style: none; margin: 32px 0 0; padding: 0; columns: 1; column-gap: 20px; }
@media (min-width: 700px) { .testimonios__grilla { columns: 2; } }
@media (min-width: 1040px) { .testimonios__grilla { columns: 3; } }
.testimonio { break-inside: avoid; margin-bottom: 20px; padding: 26px 24px 22px; border-radius: var(--radio); background: var(--fondo-2); border: 1px solid var(--borde); position: relative; transition: border-color .3s, translate .35s var(--suave); }
.testimonio:hover { border-color: var(--borde-fuerte); translate: 0 -3px; }
.testimonio::before { content: "“"; position: absolute; top: 6px; right: 18px; font: 900 72px/1 var(--f-titulos); background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; opacity: .55; }
.testimonio__texto { margin: 0 0 20px; padding-right: 34px; font-size: 16px; color: var(--texto); }
.testimonio__texto p { margin: 0; white-space: pre-line; }
.testimonio--destacado { background: linear-gradient(var(--fondo-3), var(--fondo-3)) padding-box, var(--grad) border-box; border: 1.5px solid transparent; }
.testimonio--destacado .testimonio__texto { font: 600 19px/1.45 var(--f-titulos); letter-spacing: -.01em; }
.testimonio__quien { display: flex; align-items: center; gap: 12px; }
.testimonio__foto, .testimonio__inicial { width: 44px; height: 44px; border-radius: 50%; flex: none; object-fit: cover; }
.testimonio__inicial { display: grid; place-items: center; background: var(--grad); color: #fff; font: 700 15px/1 var(--f-titulos); }
.testimonio__nombre { display: block; font-weight: 600; }
.testimonio__nombre a { text-decoration: none; }
.testimonio__nombre a:hover { text-decoration: underline; text-underline-offset: 3px; }
.testimonio__rol { display: block; font-size: 14px; color: var(--texto-3); }

/* In company */
.in-company { display: grid; gap: 24px; align-items: center; padding: clamp(28px, 5vw, 56px); border-radius: calc(var(--radio) + 6px); background: var(--superficie); border: 1px dashed var(--borde-fuerte); }
@media (min-width: 860px) { .in-company { grid-template-columns: minmax(0, 1fr) auto; gap: 48px; } }
.in-company .seccion__bajada { margin-bottom: 0; }

/* ── Ficha del curso ──────────────────────────────────────────────────── */
.ficha { display: grid; gap: 40px; padding-block: 24px 40px; }
@media (min-width: 980px) { .ficha { grid-template-columns: minmax(0, 1fr) 360px; gap: 64px; align-items: start; } }
.ficha__lado { position: relative; }
@media (min-width: 980px) { .ficha__lado { position: sticky; top: 88px; } }
.ficha__caja { display: grid; gap: 18px; padding: 26px; border-radius: var(--radio); background: var(--fondo-2); border: 1px solid var(--borde); }
.ficha__etiqueta { display: block; font-size: 12px; font-weight: 600; letter-spacing: .14em; text-transform: uppercase; color: var(--texto-3); margin-bottom: 4px; }
.ficha__precio p { margin: 0; font-weight: 600; }
.ficha__requisitos ul { margin: 0; padding-left: 1.1em; color: var(--texto-2); font-size: 15px; }
.ficha__requisitos li { margin-bottom: .35em; }
.ficha__nota { margin: -6px 0 0; font-size: 13px; color: var(--texto-3); text-align: center; }

/* Certificado: el papel que te llevás */
.certificado { display: grid; gap: 36px; align-items: center; }
@media (min-width: 940px) { .certificado { grid-template-columns: minmax(0, .8fr) minmax(0, 1.2fr); gap: 56px; } }
.certificado__detalle { color: var(--texto-3); font-size: 15px; max-width: 52ch; }
.certificado__marco { position: relative; margin: 0; perspective: 1200px; }
.certificado__marco--video { max-width: 560px; justify-self: center; width: 100%; }
.certificado__marco img, .certificado__marco video {
  display: block; width: 100%; height: auto; border-radius: 10px; box-shadow: 0 40px 80px -30px rgba(0, 0, 0, .95), 0 0 0 1px rgba(255, 224, 227, .12);
  transform: rotateX(var(--rx, 4deg)) rotateY(var(--ry, -8deg)) rotate(-1.2deg); transition: transform .5s var(--suave);
}
.certificado__marco::after {
  content: ""; position: absolute; inset: 0; border-radius: 10px; pointer-events: none; mix-blend-mode: overlay;
  background: linear-gradient(105deg, transparent 35%, rgba(255, 255, 255, .55) 48%, transparent 60%) no-repeat;
  background-size: 250% 100%; background-position: 120% 0; transform: rotateX(var(--rx, 4deg)) rotateY(var(--ry, -8deg)) rotate(-1.2deg);
}

/* Cierre */
.cierre { display: grid; justify-items: center; text-align: center; gap: 8px; padding: clamp(32px, 6vw, 64px); border-radius: calc(var(--radio) + 6px); background: radial-gradient(500px 260px at 50% 0%, rgba(168, 101, 224, .3), transparent 70%), var(--fondo-2); border: 1px solid var(--borde); }

/* ── WhatsApp flotante ────────────────────────────────────────────────── */
.wa-flotante {
  position: fixed; right: 16px; bottom: 16px; z-index: 60; display: inline-flex; align-items: center; gap: 10px;
  min-height: 56px; padding: 0 14px; border-radius: 999px; background: #1a8f4a; color: #fff; text-decoration: none; font-weight: 600;
  box-shadow: 0 14px 34px -10px rgba(0, 0, 0, .7), 0 0 0 1px rgba(255, 255, 255, .12);
  transition: transform .25s var(--suave), background .2s;
}
.wa-flotante:hover { transform: translateY(-2px) scale(1.03); background: #18a453; }
.wa-flotante__texto { display: none; padding-right: 6px; }
@media (min-width: 720px) { .wa-flotante { right: 24px; bottom: 24px; } .wa-flotante__texto { display: inline; } }

/* ── Pie ──────────────────────────────────────────────────────────────── */
.pie { border-top: 1px solid var(--borde); padding: 56px 0 96px; margin-top: 32px; background: linear-gradient(transparent, rgba(168, 101, 224, .06)); }
.pie__grilla { display: grid; gap: 32px; }
@media (min-width: 820px) { .pie__grilla { grid-template-columns: 1.6fr 1fr 1fr; } }
.pie__marca img { width: 220px; height: auto; margin-bottom: 18px; }
.pie__marca p { color: var(--texto-2); max-width: 44ch; }
.pie__titulo { font: 600 13px/1 var(--f-texto); letter-spacing: .14em; text-transform: uppercase; color: var(--texto-3); margin-bottom: 14px; }
.pie__links { list-style: none; padding: 0; margin: 0; display: grid; gap: 10px; }
.pie__links a { text-decoration: none; color: var(--texto-2); }
.pie__links a:hover { color: var(--texto); }
.pie__legal { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 12px; margin-top: 40px; padding-top: 20px; border-top: 1px solid var(--borde); color: var(--texto-3); font-size: 14px; }
.pie__legal a { color: var(--texto-2); }

/* ════ LO VIVO — mejora progresiva: sin JS se ve todo; con reduced-motion, quieto ════ */

/* El logo del hero: «ACADEM» entra, la «IA» se enciende y el cursor parpadea. */
@media (prefers-reduced-motion: no-preference) {
  .logo-vivo .logo__academ { animation: academ-entra .7s var(--suave) both; }
  .logo-vivo .logo__ia { animation: ia-enciende 1.1s var(--suave) .55s both; transform-box: fill-box; transform-origin: 0 100%; }
  .logo-vivo .logo__cursor { animation: cursor-entra .2s 1.25s both, cursor-parpadea 1.05s steps(1) 1.45s 4; }
  .logo-vivo .logo__labs { animation: academ-entra .8s var(--suave) 1.1s both; }
  .pase, a.video-hero__pantalla { animation: girar 8s linear infinite; }
  .presencial__mano.revelado-mano { animation: levantar 1.6s var(--suave) both; }
  .punto--vivo { animation: latir 2.4s ease-in-out infinite; }
}
@keyframes academ-entra { from { opacity: 0; translate: 0 10px; } to { opacity: 1; translate: 0 0; } }
@keyframes ia-enciende {
  0% { opacity: 0; filter: blur(8px) brightness(2.2); scale: .92; }
  45% { opacity: 1; filter: blur(0) brightness(1.9) drop-shadow(0 0 18px rgba(255, 69, 0, .9)); }
  100% { opacity: 1; filter: none; scale: 1; }
}
@keyframes cursor-entra { from { opacity: 0; } to { opacity: 1; } }
@keyframes cursor-parpadea { 50% { opacity: 0; } }
@keyframes levantar { 0% { rotate: -14deg; translate: 0 30px; opacity: 0; } 55% { rotate: 8deg; translate: 0 -6px; opacity: 1; } 75% { rotate: -5deg; } 100% { rotate: 0deg; translate: 0 0; } }
@keyframes latir { 50% { box-shadow: 0 0 0 8px rgba(255, 69, 0, 0); } }

/* El revelado al scroll, la telaraña, el brillo y la inclinación vienen de /estatico/vivo.css y vivo.js. */

/* El certificado: el brillo cruza una vez al aparecer y otra al pasarle por arriba. */
@media (prefers-reduced-motion: no-preference) {
  .certificado__marco.revelado-brillo::after, .certificado__marco:hover::after { animation: brillo 1.4s var(--suave) both; }
}
@keyframes brillo { from { background-position: 120% 0; } to { background-position: -40% 0; } }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; scroll-behavior: auto !important; }
  .certificado__marco img, .certificado__marco video, .certificado__marco::after { transform: none; }
}