/* El caso de Nubia: apertura, punto de partida, relato fijo, experiencia y cierre. */
.caso-page { overflow-x: clip; }
html:has(.caso-page) { scroll-padding-top: 4rem; }
.caso h2 { font-size: clamp(2.2rem, 4.4vw, 4rem); line-height: 1.08; }
.caso h2 em { color: var(--muted); }
.caso .eyebrow { margin-bottom: 1.25rem; }

/* Hilo de lectura: aparece al dejar la portada. */
.caso-hilo { position: fixed; z-index: 50; inset: 0 0 auto; display: flex; align-items: center; gap: 1rem; min-height: 3rem; padding-inline: max(1rem, calc((100% - min(90rem, 100% - 6rem)) / 2)); background: #000; border-bottom: 1px solid var(--line); font-size: .8rem; transform: translateY(-101%); transition: transform .45s var(--ease); }
.caso-hilo.is-visible { transform: none; }
.caso-hilo-nombre { font: var(--display-weight) 1.1rem/1 var(--display); letter-spacing: -.02em; }
.caso-hilo-parte { color: var(--muted); }
.caso-hilo-parte::before { content: ''; display: inline-block; width: 1.5rem; height: 1px; margin-right: 1rem; vertical-align: middle; background: #555; }
.caso-hilo-barra { position: absolute; inset: auto 0 -1px; height: 2px; }
.caso-hilo-barra > span { display: block; height: 100%; background: var(--ink); transform: scaleX(0); transform-origin: left; }

/* Apertura. */
.caso-apertura { display: grid; grid-template-columns: minmax(0, .9fr) minmax(0, 1.25fr); grid-template-areas: 'back back' 'text cover' 'down cover'; gap: 2rem clamp(2rem, 5vw, 5rem); align-items: center; padding-block: clamp(2rem, 5vw, 4rem) clamp(3rem, 6vw, 5rem); }
.caso-apertura > .back-link { grid-area: back; justify-self: start; }
.caso-apertura-texto { grid-area: text; }
.caso-titulo { font-size: clamp(4.5rem, 11vw, 10rem); line-height: .92; letter-spacing: -.035em; }
.caso-deck { max-width: 22ch; margin-top: 1.5rem; font: 400 clamp(1.3rem, 2.2vw, 1.85rem)/1.35 var(--body); letter-spacing: -.01em; }
.caso-ficha { display: grid; margin: 2.5rem 0 0; border-top: 1px solid var(--surface-edge); }
.caso-ficha > div { display: grid; grid-template-columns: 7.5rem 1fr; gap: 1rem; padding-block: .8rem; border-bottom: 1px solid var(--surface-edge); font-size: .9rem; }
.caso-ficha dt { color: var(--muted); }
.caso-ficha dd { margin: 0; }
.caso-ficha a { text-decoration: underline; text-decoration-color: #666; }
.caso-ficha a:hover { text-decoration-color: currentColor; }
.caso-portada { grid-area: cover; }
.caso-pantalla { position: relative; overflow: hidden; border: 1px solid var(--surface-edge); border-radius: 6px; background: #183b30; }
.caso-pantalla img { width: 100%; }
.caso-pantalla video { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; opacity: 0; transition: opacity .8s; }
.caso-pantalla.has-played video { opacity: 1; }
.caso-portada figcaption { margin-top: .9rem; color: var(--muted); font-size: .85rem; }
.caso-bajar { grid-area: down; justify-self: start; display: inline-flex; align-items: center; gap: .75rem; min-height: 44px; color: var(--muted); font-size: .875rem; text-decoration: none; }
.caso-bajar:hover { color: var(--ink); }
.caso-bajar svg { width: 1rem; height: 1rem; fill: none; stroke: currentColor; stroke-width: 1.4; stroke-linecap: square; }

/* Punto de partida: lo que había sobre la mesa. */
.caso-partida { display: grid; grid-template-columns: minmax(0, .8fr) minmax(0, 1.3fr); gap: clamp(2rem, 5vw, 5rem); align-items: start; padding-block: var(--section-space); border-top: 1px solid var(--line); }
.caso-partida-texto { position: sticky; top: 5rem; }
.caso-partida-texto p:not(.eyebrow) { max-width: 40ch; margin-top: 1.25rem; color: var(--soft); font-size: 1.125rem; line-height: 1.75; }
.caso-mesa { display: grid; grid-template-columns: 1fr 1fr; gap: 1.25rem; }
.caso-mesa figure { min-width: 0; }
.caso-mesa-plano { grid-column: 1 / -1; }
.caso-mesa img { width: 100%; aspect-ratio: 16 / 10; object-fit: cover; border: 1px solid var(--surface-edge); background: #0b0b0b; }
.caso-mesa-plano img { aspect-ratio: auto; object-fit: contain; background: #fff; }
.caso-mesa figcaption, .relato-refs figcaption { display: flex; justify-content: flex-start; gap: .75rem; margin-top: .7rem; color: var(--muted); font-size: .8rem; }
.caso-mesa figcaption span { color: var(--ink); }

/* El relato. Sin JavaScript: cinco pasos en orden de lectura con su imagen fija. */
.relato { border-top: 1px solid var(--line); }
.relato-entrada { padding-block: var(--section-space) clamp(2rem, 4vw, 3rem); }
.relato-entrada h2 { max-width: 14ch; }
.relato-invita { margin-top: 1.25rem; color: var(--muted); }
.relato-pasos { width: var(--shell); max-width: 72rem; margin: 0 auto; padding: 0; list-style: none; }
.relato-paso { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.3fr); gap: var(--panel-space); align-items: center; padding: var(--panel-space); border: 1px solid var(--surface-edge); }
.relato-paso + .relato-paso { border-top: 0; }
.relato-num { display: flex; align-items: center; gap: .75rem; margin-bottom: 1rem; color: var(--muted); font-size: .75rem; letter-spacing: .07em; text-transform: uppercase; }
.relato-num span { color: var(--ink); font-variant-numeric: tabular-nums; }
.relato-texto h3 { font: var(--display-weight) clamp(1.8rem, 3vw, 2.6rem)/1.1 var(--display); letter-spacing: -.025em; text-wrap: balance; }
.relato-texto > p:not(.relato-num) { margin-top: 1rem; color: var(--soft); font-size: 1.05rem; line-height: 1.7; }
.relato-still { width: 100%; border: 1px solid var(--surface-edge); }
.relato-refs { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: .6rem; margin-top: 1.5rem; }
.relato-refs img { width: 100%; aspect-ratio: 4 / 3; object-fit: cover; border: 1px solid var(--surface-edge); }
.relato-refs figcaption { margin-top: .4rem; font-size: .75rem; }
.relato-paso:has(.relato-refs) { grid-template-columns: minmax(0, 1fr); }

/* Con la escena viva: la maqueta queda fija y los pasos pasan sobre ella. */
.relato.is-live .relato-cuerpo { position: relative; }
.relato.is-live .relato-escena { position: sticky; top: 0; height: 100vh; height: 100svh; overflow: hidden; }
.relato-stage { position: absolute; inset: 0; }
.relato-stage canvas { display: block; width: 100%; height: 100%; opacity: 0; transition: opacity 1s; }
.relato-stage.is-ready canvas { opacity: 1; }
.relato-stage::after { content: 'Preparando la maqueta'; position: absolute; white-space: nowrap; top: 50%; left: 62%; color: #77776f; font-size: .8rem; letter-spacing: .07em; text-transform: uppercase; transform: translate(-50%, -50%); transition: opacity .4s; }
.relato-stage.is-ready::after { opacity: 0; }
.relato.is-live .relato-pasos { position: relative; z-index: 1; width: var(--shell); max-width: none; margin-top: -100vh; margin-top: -100svh; pointer-events: none; }
.relato.is-live .relato-paso { display: flex; align-items: center; height: 100vh; height: 100svh; padding: 0; border: 0; }
.relato.is-live .relato-still { display: none; }
.relato.is-live .relato-texto { width: min(27rem, 34vw); padding: clamp(1.5rem, 2.5vw, 2.25rem); background: #000; border: 1px solid var(--surface-edge); pointer-events: auto; opacity: .3; transform: translateY(1rem); transition: opacity .6s, transform .8s var(--ease); }
.relato.is-live .relato-paso.is-current .relato-texto { opacity: 1; transform: none; }
.relato.is-live .relato-paso:last-child { height: calc(100vh + 1px); height: calc(100svh + 1px); }

.relato-rail { position: absolute; z-index: 2; top: 50%; right: max(1rem, calc((100% - min(90rem, 100% - 6rem)) / 2)); display: grid; gap: .1rem; padding: .5rem .75rem .5rem 1.75rem; background: #000; border: 1px solid var(--surface-edge); transform: translateY(-50%); }
.relato-rail-linea { position: absolute; inset: 1.4rem auto 1.4rem .9rem; width: 1px; background: #3a3a3a; }
.relato-rail-linea > span { display: block; height: 100%; background: var(--ink); transform: scaleY(0); transform-origin: top; }
.relato-rail button { display: flex; align-items: center; gap: .75rem; min-height: 44px; padding: 0 .25rem; border: 0; background: none; color: #77776f; font-size: .8rem; cursor: pointer; text-align: left; transition: color .3s; }
.relato-rail button span { font-variant-numeric: tabular-nums; }
.relato-rail button b { font-weight: 400; }
.relato-rail button:hover, .relato-rail button[aria-current] { color: var(--ink); }
.relato-rail button[aria-current] b { font-weight: 600; }
.relato-nota { position: absolute; z-index: 2; right: max(1rem, calc((100% - min(90rem, 100% - 6rem)) / 2)); bottom: 1.25rem; color: #77776f; font-size: .75rem; }

/* La experiencia: el sitio publicado, en su ventana. */
.caso-resultado { padding-block: var(--section-space); border-top: 1px solid var(--line); }
.caso-resultado-entrada { max-width: 40rem; margin-bottom: clamp(2rem, 5vw, 4rem); }
.caso-resultado-entrada > p:last-child { margin-top: 1.25rem; color: var(--muted); font-size: 1.125rem; }
.caso-momento { display: grid; grid-template-columns: minmax(0, .7fr) minmax(0, 1.3fr); gap: clamp(2rem, 5vw, 5rem); align-items: center; padding-block: clamp(2.5rem, 5vw, 4.5rem); border-top: 1px solid var(--line); }
.caso-momento > * { min-width: 0; }
.caso-momento:nth-child(2) .caso-momento-texto { order: 2; }
.caso-momento-num { display: flex; align-items: center; gap: .75rem; margin-bottom: 1rem; color: var(--muted); font-size: .75rem; letter-spacing: .07em; font-variant-numeric: tabular-nums; }
.caso-momento-num span { color: #5c5c58; }
.caso-momento h3 { font: var(--display-weight) clamp(1.8rem, 3vw, 2.6rem)/1.1 var(--display); letter-spacing: -.025em; }
.caso-momento-texto > p:last-child { max-width: 34ch; margin-top: 1rem; color: var(--soft); font-size: 1.05rem; line-height: 1.7; }
.caso-navegador { min-width: 0; overflow: hidden; border: 1px solid var(--surface-edge); border-radius: 8px; background: #0b0b0b; }
.caso-url { display: flex; align-items: center; justify-content: center; min-height: 2.25rem; padding: .35rem 1rem; border-bottom: 1px solid var(--surface-edge); color: var(--muted); font-size: .75rem; letter-spacing: .02em; }
.caso-navegador figcaption { padding: .75rem 1rem; border-top: 1px solid var(--surface-edge); color: var(--muted); font-size: .8rem; }

/* Las ventanas del sitio publicado y la banda de bancos. */
.case-showcase { margin-top: .5rem; }
.showcase-screen { position: relative; display: block; overflow: hidden; background: #183b30; }
.showcase-screen video { display: none; width: 100%; height: auto; }
.showcase-screen .showcase-poster { width: 100%; }
.is-ready .showcase-screen video { display: block; }
.is-ready .showcase-poster { position: absolute; inset: 0; height: 100%; object-fit: cover; }
.is-ready .showcase-screen.has-played .showcase-poster { display: none; }
.showcase-expand { position: absolute; right: .75rem; bottom: .75rem; display: inline-flex; align-items: center; min-height: 44px; padding: .6rem .85rem; border: 1px solid #686868; border-radius: 2px; background: #000; color: #fff; font: .75rem/1.4 var(--body); }
.case-showcase figcaption { gap: .35rem 1rem; }
.showcase-banks { width: 100%; }
.showcase-bank-window { overflow-x: auto; scrollbar-width: none; border-block: 1px solid #ffffff18; background: #102c21; padding-block: 1.25rem; mask-image: linear-gradient(90deg, transparent, #000 4%, #000 96%, transparent); }
.showcase-bank-window::-webkit-scrollbar { display: none; }
.showcase-bank-track { display: flex; width: max-content; }
.showcase-bank-set { display: flex; align-items: center; gap: 2.5rem; padding-inline: 1.25rem; }
.showcase-bank-set img { width: 100px; height: 32px; object-fit: contain; filter: grayscale(1) brightness(0) invert(1); opacity: .82; flex: none; }
.case-showcase.is-ready .showcase-bank-track { animation: showcase-banks 36s linear infinite; animation-play-state: paused; }
.case-showcase.is-playing .showcase-bank-track { animation-play-state: running; }
.showcase-bank-window:focus-visible .showcase-bank-track { animation-play-state: paused; }
@media (hover: hover) and (pointer: fine) {
  .showcase-bank-window:hover .showcase-bank-track { animation-play-state: paused; }
}
.showcase-banks figcaption { align-items: start; }
.showcase-banks figcaption small { display: block; max-width: 46ch; margin-top: .25rem; font: inherit; color: var(--muted); }
@keyframes showcase-banks { to { transform: translateX(-50%); } }
@media (max-width: 48rem) {
  .showcase-banks figcaption { flex-direction: column; align-items: start; }
  .showcase-bank-set { gap: 2rem; padding-inline: 1rem; }
  .showcase-bank-set img { width: 98px; height: 32px; }
}
@media (prefers-reduced-motion: reduce) {
  .case-showcase.is-ready .showcase-bank-track { animation: none; }
  .showcase-bank-set[aria-hidden] { display: none; }
}

/* Cierre. */
.caso-cierre { display: grid; gap: 2.5rem; padding-block: var(--section-space) calc(var(--section-space) * 1.5); border-top: 1px solid var(--line); }
.caso-cierre-frase { font: var(--display-weight) clamp(2.6rem, 6.5vw, 6rem)/1.02 var(--display); letter-spacing: -.035em; }
.caso-cierre-frase em { font-style: normal; color: var(--muted); }
.caso-cierre-acciones { display: flex; flex-wrap: wrap; align-items: center; gap: 1rem 1.5rem; }
.caso-cierre .button { gap: .7rem; }

/* Movimiento: entrada de la portada y aparición al llegar. */
@media (prefers-reduced-motion: no-preference) {
  .caso-entra { animation: caso-entra 1.1s var(--ease) both; }
  .caso-apertura-texto .eyebrow { animation-delay: .05s; }
  .caso-titulo { animation-name: caso-titulo; animation-duration: 1.3s; animation-delay: .12s; }
  .caso-deck { animation-delay: .32s; }
  .caso-ficha { animation-delay: .44s; }
  .caso-portada { animation-name: caso-portada; animation-duration: 1.5s; animation-delay: .2s; }
  .caso-bajar { animation-delay: .7s; }
  .caso-bajar svg { animation: caso-bajar 2.4s ease-in-out 1.6s infinite; }
  .por-aparecer { opacity: 0; transform: translateY(2.5rem); }
  [data-aparece] { transition: opacity 1s var(--ease), transform 1.2s var(--ease); }
  .caso-navegador { transition: clip-path 1.3s var(--ease) .1s; clip-path: inset(0 round 8px); }
  .por-aparecer .caso-navegador { clip-path: inset(12% 6% 12% 6% round 8px); }
  .caso-mesa figure[data-aparece]:nth-child(2) { transition-delay: .12s; }
  .caso-mesa figure[data-aparece]:nth-child(3) { transition-delay: .24s; }
}
@keyframes caso-entra { from { opacity: 0; transform: translateY(1.25rem); } }
@keyframes caso-titulo { from { opacity: 0; transform: translateY(.35em); clip-path: inset(0 0 100% 0); } to { clip-path: inset(0 0 -10% 0); } }
@keyframes caso-portada { from { opacity: 0; transform: scale(.96); clip-path: inset(8% 8% 8% 8% round 6px); } to { clip-path: inset(0 round 6px); } }
@keyframes caso-bajar { 0%, 60%, 100% { transform: none; } 30% { transform: translateY(.3rem); } }

@media (max-width: 64rem) {
  .relato.is-live .relato-paso { align-items: flex-end; padding-bottom: 1rem; }
  .relato.is-live .relato-texto { width: 100%; max-width: 34rem; margin-inline: auto; padding: 1.25rem 1.25rem 1.4rem; }
  .relato.is-live .relato-texto h3 { font-size: clamp(1.6rem, 5.5vw, 2rem); }
  .relato.is-live .relato-texto > p:not(.relato-num) { margin-top: .6rem; font-size: .95rem; line-height: 1.6; }
  .relato.is-live .relato-refs { margin-top: 1rem; }
  .relato-rail { top: 3.75rem; left: 50%; right: auto; display: flex; gap: .25rem; padding: 0; transform: translateX(-50%); }
  .relato-stage::after { top: 35%; left: 50%; }
  .relato-rail-linea, .relato-rail button b { display: none; }
  .relato-rail button { justify-content: center; min-width: 44px; padding: 0 .5rem; border-bottom: 1px solid #3a3a3a; }
  .relato-rail button[aria-current] { border-color: var(--ink); }
  .relato-nota { top: 7rem; bottom: auto; left: 50%; right: auto; transform: translateX(-50%); white-space: nowrap; }
}
@media (max-width: 56rem) {
  .caso-apertura { grid-template-columns: minmax(0, 1fr); grid-template-areas: 'back' 'text' 'cover' 'down'; }
  .caso-partida { grid-template-columns: minmax(0, 1fr); }
  .caso-partida-texto { position: static; }
  .relato-paso { grid-template-columns: minmax(0, 1fr); }
  .caso-momento { grid-template-columns: minmax(0, 1fr); gap: 1.5rem; }
  .caso-momento:nth-child(2) .caso-momento-texto { order: 0; }
}
@media (max-width: 48rem) {
  .caso-hilo { padding-inline: 1rem; }
  .caso-hilo-parte::before { width: .75rem; margin-right: .6rem; }
  .caso-ficha > div { grid-template-columns: 6.5rem 1fr; }
  .caso-mesa { gap: .75rem; }
  .relato-refs { gap: .4rem; }
  .relato.is-live .relato-refs figcaption { display: none; }
  .caso-cierre-acciones { flex-direction: column; align-items: stretch; }
}
.caso-momento > * { min-width: 0; }
html:has(.caso-page) { scroll-padding-top: 4rem; }