/* La demo de Herramientas de clase (Oksigenia Classtools): la página que guía la pantalla del plugin. */
@font-face { font-family: 'Montserrat'; font-style: normal; font-weight: 100 900; font-display: swap;
  src: url('/fonts/montserrat-var.woff2') format('woff2'), url('fonts/montserrat-var.woff2') format('woff2'); }
:root {
  --bg: #0b0b0c; --card: #141419; --card2: #1b1b22; --line: #2a2a34; --line2: #232330;
  --ink: #eef1f6; --ink-dim: #9aa0b0; --ink-faint: #8e95a8;
  --cyan: #00d4ff; --mint: #00f5d4; --purple: #6d4aff; --purple-hi: #8b6dff;
  --font: 'Montserrat', system-ui, -apple-system, 'Segoe UI', sans-serif; --ease: cubic-bezier(.22, .8, .24, 1);
}
* { box-sizing: border-box; }
[hidden] { display: none !important; }
html, body { margin: 0; }
body {
  font-family: var(--font); color: var(--ink); background: var(--bg); min-height: 100dvh;
  background-image: radial-gradient(900px 500px at 12% -10%, rgba(0, 212, 255, .13), transparent 60%),
    radial-gradient(800px 500px at 100% 10%, rgba(109, 74, 255, .14), transparent 60%),
    radial-gradient(700px 400px at 50% 110%, rgba(0, 245, 212, .08), transparent 60%);
}
.shellbar { display: flex; align-items: center; gap: 16px; padding: 14px 24px; border-bottom: 1px solid var(--line2);
  position: sticky; top: 0; z-index: 5; backdrop-filter: blur(10px); background: rgba(11, 11, 12, .72); }
.shellbar .marca { font-weight: 800; letter-spacing: .01em; font-size: 15px; }
.shellbar .marca span { color: var(--ink-dim); font-weight: 600; }
.shellbar .lenguas { margin-left: auto; display: flex; gap: 4px; background: var(--card); border: 1px solid var(--line); border-radius: 999px; padding: 3px; }
.shellbar .lenguas button { font: inherit; font-size: 13px; font-weight: 700; color: var(--ink-dim); background: none; border: 0; border-radius: 999px; padding: 6px 12px; cursor: pointer; }
.shellbar .lenguas button[aria-pressed="true"] { background: linear-gradient(90deg, var(--cyan), var(--mint)); color: #04141a; }
main { max-width: 1240px; margin: 0 auto; padding: 18px 16px 40px; display: grid; gap: 14px; }
.caps { display: flex; gap: 8px; flex-wrap: wrap; }
.caps button { font: inherit; font-size: 13px; font-weight: 600; color: var(--ink-dim); background: var(--card); border: 1px solid var(--line);
  border-radius: 999px; padding: 7px 14px; cursor: pointer; }
.caps button[aria-current="true"] { color: var(--ink); border-color: var(--cyan); box-shadow: 0 0 0 1px var(--cyan) inset; }
.caps button:focus-visible, .narr button:focus-visible, .portada button:focus-visible, .ahora-tu button:focus-visible { outline: 2px solid var(--mint); outline-offset: 2px; }
.marco { position: relative; width: 100%; aspect-ratio: 16 / 9; border: 1px solid var(--line2); border-radius: 16px; overflow: hidden;
  background: #f4f6fb; box-shadow: 0 24px 70px rgba(0, 0, 0, .55); }
.marco iframe { position: absolute; left: 0; top: 0; width: 1280px; height: 720px; border: 0; transform-origin: 0 0; background: #fff; }
.escudo { position: absolute; inset: 0; z-index: 2; }
.cursor { position: absolute; left: 0; top: 0; width: 30px; height: 30px; z-index: 4; pointer-events: none; opacity: 0;
  transition: transform .7s var(--ease), opacity .3s; filter: drop-shadow(0 3px 6px rgba(0, 0, 0, .35)); }
.cursor svg { width: 30px; height: 30px; transition: transform .12s; }
.cursor.pulsa svg { transform: scale(.82); }
.onda { position: absolute; z-index: 3; width: 18px; height: 18px; margin: -9px 0 0 -9px; border-radius: 50%; border: 3px solid var(--mint);
  pointer-events: none; animation: onda .6s var(--ease) forwards; }
@keyframes onda { from { transform: scale(.4); opacity: 1; } to { transform: scale(3.2); opacity: 0; } }
.portada, .ahora-tu, .final { position: absolute; inset: 0; z-index: 6; display: grid; place-content: center; gap: 18px; text-align: center; padding: 24px;
  background: radial-gradient(800px 420px at 50% 40%, rgba(0, 212, 255, .16), transparent 70%), rgba(11, 11, 12, .9); }
.portada h1 { margin: 0; font-size: clamp(26px, 4vw, 46px); font-weight: 800; text-wrap: balance; }
.portada p, .ahora-tu p { margin: 0 auto; max-width: 56ch; color: var(--ink-dim); font-size: clamp(14px, 1.6vw, 17px); line-height: 1.5; }
.portada .eyebrow { color: var(--mint); font-size: 12px; font-weight: 700; letter-spacing: .14em; text-transform: uppercase; }
.botones { display: flex; gap: 10px; justify-content: center; flex-wrap: wrap; }
.boton { font: inherit; font-weight: 700; font-size: 15px; border-radius: 999px; padding: 12px 22px; cursor: pointer; border: 1px solid var(--line); color: var(--ink); background: var(--card2); }
.boton.principal { border: 0; background: linear-gradient(90deg, var(--cyan), var(--mint)); color: #04141a; }
.ahora-tu { background: none; place-content: end center; padding-bottom: 18px; pointer-events: none; }
.ahora-tu .pastilla { pointer-events: auto; display: flex; gap: 12px; align-items: center; flex-wrap: wrap; justify-content: center;
  background: rgba(11, 11, 12, .9); border: 1px solid var(--line); border-radius: 18px; padding: 12px 16px; box-shadow: 0 10px 30px rgba(0, 0, 0, .4); }
.ahora-tu .pastilla strong { color: var(--mint); }
.final { grid-template-columns: 1fr; }
a.boton { text-decoration: none; display: inline-flex; align-items: center; }
a.boton:focus-visible, .enlace:focus-visible, .seguir-probando:focus-visible { outline: 2px solid var(--mint); outline-offset: 2px; }
.botones.secundarios .boton { font-size: 13px; padding: 8px 16px; background: transparent; }
.ahora-tu .enlace { flex-basis: 100%; text-align: center; color: var(--mint); font-size: 13px; font-weight: 700; text-decoration: none; }
.ahora-tu .enlace:hover { text-decoration: underline; }
.moodle { position: absolute; inset: 0; z-index: 7; display: grid; place-items: center; padding: 20px; background: rgba(11, 11, 12, .72); backdrop-filter: blur(3px); }
.moodle .caja { max-width: 560px; display: grid; gap: 14px; text-align: center; background: var(--card); border: 1px solid var(--line); border-radius: 18px;
  padding: 26px 26px 18px; box-shadow: 0 20px 60px rgba(0, 0, 0, .5); }
.moodle .eyebrow { margin: 0; color: var(--mint); font-size: 12px; font-weight: 700; letter-spacing: .14em; text-transform: uppercase; }
.moodle h2 { margin: 0; font-size: clamp(20px, 2.6vw, 28px); font-weight: 800; text-wrap: balance; }
.moodle p { margin: 0; color: var(--ink-dim); font-size: 15px; line-height: 1.55; }
.seguir-probando { justify-self: center; font: inherit; font-size: 13px; font-weight: 600; color: var(--ink-dim); background: none; border: 0; cursor: pointer; padding: 6px 10px; }
.seguir-probando:hover { color: var(--ink); }
.final .rejilla { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; width: min(640px, 58%); margin: 0 auto; }
.final .rejilla img { width: 100%; border-radius: 10px; border: 1px solid var(--line); display: block; }
.final h2 { margin: 0; font-size: clamp(22px, 3.2vw, 38px); font-weight: 800; }
.final p { margin: 0; color: var(--ink-dim); font-size: clamp(13px, 1.5vw, 16px); }
.final p b { color: var(--mint); font-weight: 700; }
.final .web { font-size: clamp(22px, 3.2vw, 40px); font-weight: 800; letter-spacing: .01em; color: var(--mint);
  background: linear-gradient(90deg, var(--cyan), var(--mint)); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent;
  animation: web .7s var(--ease); }
@keyframes web { from { opacity: 0; transform: translateY(10px) scale(.96); } to { opacity: 1; transform: none; } }
.cap { min-height: 3.2em; margin: 0; font-size: clamp(15px, 1.8vw, 19px); line-height: 1.5; text-align: center; color: var(--ink); text-wrap: balance; }
.cap .quien { color: var(--cyan); font-weight: 700; margin-right: .4em; }
.narr { display: flex; align-items: center; gap: 8px; background: var(--card); border: 1px solid var(--line); border-radius: 14px; padding: 8px 10px; }
.narr button { font: inherit; display: grid; place-items: center; width: 40px; height: 40px; border-radius: 10px; border: 1px solid var(--line); background: var(--card2); color: var(--ink); cursor: pointer; }
.narr button.play { width: 48px; background: linear-gradient(90deg, var(--cyan), var(--mint)); color: #04141a; border: 0; }
.narr button[aria-pressed="true"] { border-color: var(--mint); color: var(--mint); }
.narr svg { width: 18px; height: 18px; }
.barra { flex: 1; height: 6px; border-radius: 999px; background: var(--line2); overflow: hidden; }
.barra i { display: block; height: 100%; width: 0; background: linear-gradient(90deg, var(--cyan), var(--mint)); transition: width .25s linear; }
.tiempo { font-variant-numeric: tabular-nums; color: var(--ink-faint); font-size: 13px; min-width: 7ch; text-align: right; }
.nota-pie { color: var(--ink-faint); font-size: 12px; text-align: center; margin: 0; }
/* Vídeo: solo la pantalla, a pantalla completa, con subtítulos encima. */
body.video { background: #000; overflow: hidden; }
body.video .shellbar, body.video .caps, body.video .narr, body.video .nota-pie, body.video > main > .cap { display: none; }
body.video main { max-width: none; padding: 0; }
body.video .marco { position: fixed; inset: 0; width: 100vw; height: 100vh; aspect-ratio: auto; border: 0; border-radius: 0; }
.sub { display: none; }
body.video .sub { display: block; position: absolute; z-index: 5; left: 50%; bottom: 14px; transform: translateX(-50%); max-width: 66%;
  background: rgba(11, 11, 12, .74); color: #fff; font-size: 26px; font-weight: 600; line-height: 1.3; padding: 8px 18px; border-radius: 12px; text-align: center; }
body.video .cursor { width: 44px; height: 44px; }
body.video .cursor svg { width: 44px; height: 44px; }
body.video .sub:empty { display: none; }
body.video #fin-botones, body.video #fin-cta { display: none; }
.rotulo { position: absolute; inset: 0; z-index: 5; display: grid; place-content: center; gap: 10px; text-align: center;
  background: radial-gradient(700px 380px at 50% 45%, rgba(0, 212, 255, .18), transparent 70%), #0b0b0c; animation: rotulo .35s var(--ease); }
.rotulo .nivel { justify-self: center; font-size: clamp(12px, 1.4vw, 15px); font-weight: 800; letter-spacing: .16em; text-transform: uppercase; color: #04141a;
  background: linear-gradient(90deg, var(--cyan), var(--mint)); border-radius: 999px; padding: 6px 16px; }
.rotulo strong { font-size: clamp(26px, 4.4vw, 54px); font-weight: 800; text-wrap: balance; }
.rotulo .curso { color: var(--ink-dim); font-size: clamp(13px, 1.6vw, 18px); font-weight: 600; }
@keyframes rotulo { from { opacity: 0; } to { opacity: 1; } }
@media (prefers-reduced-motion: reduce) { .cursor, .barra i { transition: none; } .onda { animation: none; display: none; } }