/* ==================================================================
   LideraT - Noticias (laboratorio) /actividades-lab

   Solo la marca: Fraunces + Quicksand, marino, rojo, granate, azul
   claro y crema. Todo bajo .ln.

   "LideraT, curso a curso": la ultima noticia en grande, un indice fijo
   por cursos y cada curso como un capitulo con el ano gigante a la
   izquierda. Se genera en el servidor desde el blog: sin JavaScript.
   ================================================================== */

.ln {
  --navy: #003049;
  --red: #C1121F;
  --garnet: #780000;
  --blue: #669BBC;
  --cream: #fbf0d8;
  --paper: #fffaf0;
  --navy-2: color-mix(in srgb, var(--navy) 78%, var(--cream));
  --cream-2: color-mix(in srgb, var(--cream) 82%, var(--navy));
  --line: color-mix(in srgb, var(--navy) 14%, transparent);
  --gutter: clamp(1.375rem, 5vw, 4.5rem);
  --caja: 72rem;
  --ease: cubic-bezier(.16, 1, .3, 1);
  --f-disp: 'Fraunces', Georgia, 'Times New Roman', serif;
  --f-text: 'Quicksand', 'Trebuchet MS', sans-serif;
  background: var(--cream);
}
.ln > section, .ln > nav { color: var(--navy); font-family: var(--f-text); font-size: 1rem; line-height: 1.6; }
.ln ::selection { background: var(--red); color: var(--cream); }
.ln :focus-visible { outline: 3px solid var(--navy); outline-offset: 3px; }
.ln-hero :focus-visible, .ln-final :focus-visible { outline-color: var(--cream); }
.ln-caja { width: min(var(--caja), 100% - 2 * var(--gutter)); margin-inline: auto; }
.ln section { scroll-margin-top: 9rem; }
.ln p { margin: 0; }
.ln :is(h1, h2) { margin: 0; font-family: var(--f-disp); text-wrap: balance; }
#wrap.ln a:not(.lt-btn) { text-decoration: none; color: inherit; }
/* Las secciones oscuras, en crema (la regla de base pone marino). */
.ln > section.ln-hero, .ln > section.ln-final { color: var(--cream); }

/* ---------- Portada ---------- */
.ln-hero {
  background: var(--navy);
  color: var(--cream);
  padding: clamp(3rem, 7vw, 6rem) 0 clamp(2.5rem, 5vw, 4rem);
}
.ln-hero__cabeza {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 1rem clamp(2rem, 5vw, 4rem);
  align-items: end;
}
.ln .ln-hero__titulo {
  font-size: clamp(2.75rem, 1.5rem + 3.6vw, 5rem);
  line-height: .95;
  letter-spacing: -.03em;
  font-weight: 900;
  font-variation-settings: 'opsz' 144, 'SOFT' 100, 'WONK' 1;
  color: var(--cream);
}
.ln-hero__entrada { max-width: 46ch; color: var(--cream-2); font-size: 1.0625rem; padding-bottom: .4rem; }


/* ---------- Indice por curso, fijo al bajar ---------- */
.ln-indice {
  position: sticky;
  top: var(--ln-cabecera, 4.25rem);   /* justo debajo de la cabecera fija */
  z-index: 5;
  background: color-mix(in srgb, var(--cream) 92%, transparent);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}
.ln-indice__fila {
  display: flex;
  align-items: center;
  gap: .5rem;
  padding-block: .8rem;
  overflow-x: auto;
  scrollbar-width: none;
}
.ln-indice__fila::-webkit-scrollbar { display: none; }
.ln-indice__titulo { flex: none; margin-right: .5rem; font-weight: 700; font-size: .875rem; color: var(--navy-2); }
#wrap.ln .ln-indice__curso {
  flex: none;
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  padding: .45rem 1rem;
  border-radius: 999px;
  border: 1.5px solid var(--line);
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  transition: border-color .2s var(--ease), background-color .2s var(--ease);
}
#wrap.ln .ln-indice__curso:hover { border-color: var(--navy); background: var(--paper); }
.ln-indice__curso b { min-width: 1.5rem; padding: 0 .4rem; border-radius: 999px; background: var(--navy); color: var(--cream); font-size: .75rem; text-align: center; }

/* ---------- Cada curso, un capitulo ---------- */
.ln-curso { padding-block: clamp(2.5rem, 5vw, 3.5rem); }
.ln-curso + .ln-curso { border-top: 1px solid var(--line); }
.ln-curso__rejilla {
  display: grid;
  grid-template-columns: minmax(0, 15rem) minmax(0, 1fr);
  gap: clamp(1.5rem, 4vw, 4rem);
  align-items: start;
}
.ln-curso__rotulo { position: sticky; top: 9.5rem; display: grid; gap: .5rem; }
.ln-curso__ano {
  font-family: var(--f-disp);
  font-size: clamp(3.25rem, 2rem + 3vw, 5rem);
  line-height: .9;
  letter-spacing: -.04em;
  font-weight: 900;
  font-variation-settings: 'opsz' 144, 'SOFT' 100, 'WONK' 1;
  color: var(--navy);
  font-variant-numeric: lining-nums;
}
.ln-curso__ano span { display: block; color: var(--red); }
.ln-curso__cuantas { font-weight: 700; font-size: .9375rem; color: var(--navy-2); }

.ln-lista { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: clamp(1.25rem, 2.5vw, 2rem); }
#wrap.ln .ln-noticia__enlace { display: grid; gap: .5rem; align-content: start; }
.ln-noticia__foto { position: relative; display: block; aspect-ratio: 16 / 10; overflow: hidden; border-radius: 14px; background: var(--navy); margin-bottom: .4rem; }
.ln-noticia__foto img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; transition: scale .8s var(--ease); }
#wrap.ln .ln-noticia__enlace:hover .ln-noticia__foto img { scale: 1.05; }
.ln-noticia__cuando { font-size: .8125rem; font-weight: 700; color: var(--red); }
.ln-noticia__nombre {
  font-family: var(--f-disp);
  font-size: 1.375rem;
  line-height: 1.15;
  font-weight: 900;
  font-variation-settings: 'opsz' 48, 'SOFT' 100, 'WONK' 1;
  text-wrap: balance;
}
#wrap.ln .ln-noticia__enlace:hover .ln-noticia__nombre { text-decoration: underline; text-underline-offset: .15em; text-decoration-thickness: 2px; }
.ln-noticia__sub { color: var(--navy-2); font-size: .9375rem; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }

/* ---------- Final ---------- */
.ln-final { background: var(--garnet); color: var(--cream); padding-block: clamp(3rem, 6vw, 5rem); }
.ln-final__rejilla { display: flex; flex-wrap: wrap; align-items: center; justify-content: center; gap: 1.5rem 3rem; }
.ln-final__frase {
  font-family: var(--f-disp);
  font-size: clamp(1.75rem, 1rem + 2.4vw, 3rem);
  line-height: 1;
  letter-spacing: -.025em;
  font-weight: 900;
  font-variation-settings: 'opsz' 96, 'SOFT' 100, 'WONK' 1;
}

/* ---------- Tableta y movil ---------- */
@media (max-width: 61.99rem) {
  .ln-hero__cabeza { grid-template-columns: minmax(0, 1fr); }
  .ln-curso__rejilla { grid-template-columns: minmax(0, 1fr); }
  .ln-curso__rotulo { position: static; grid-auto-flow: column; justify-content: start; align-items: baseline; gap: 1rem; }
  .ln-curso__ano span { display: inline; }
}
@media (max-width: 47.99rem) {
  .ln { --ln-cabecera: 6.5rem; }
  /* En movil, filas compactas: foto pequena y titulo al lado. */
  .ln-lista { grid-template-columns: minmax(0, 1fr); gap: 1rem; }
  #wrap.ln .ln-noticia__enlace { grid-template-columns: 6.5rem minmax(0, 1fr); grid-template-rows: auto 1fr; column-gap: 1rem; row-gap: .25rem; align-items: start; }
  .ln-noticia__foto { grid-row: 1 / span 2; aspect-ratio: 1; border-radius: 12px; margin: 0; }
  .ln-noticia__nombre { font-size: 1.0625rem; line-height: 1.2; }
  .ln-noticia__sub { display: none; }
  .ln-curso { padding-block: 2.25rem; }
  .ln-curso__rejilla { gap: 1rem; }
  .ln-curso__ano { font-size: 2.75rem; }
  .ln-final .lt-btn-row { flex-direction: column; align-items: stretch; width: 100%; }
}
@media (prefers-reduced-motion: reduce) {
  .ln *, .ln *::before, .ln *::after { transition: none !important; animation: none !important; }
}