/* =============================================================
   Álbumes de obra — páginas obras/*.html
   ============================================================= */
.alb-body { padding-top: var(--nav-h); }
.alb-volver {
  font-family: var(--mono); font-size: .74rem; letter-spacing: .1em;
  text-transform: uppercase; color: var(--mute); white-space: nowrap;
  transition: color .25s var(--ease-out);
}
.alb-volver:hover { color: var(--accent); }
.alb-nav-cta { display: none; padding: .7rem 1.15rem; }
@media (min-width: 720px) { .alb-nav-cta { display: inline-flex; } }

.alb { max-width: 1280px; margin-inline: auto; padding: 0 var(--pad); }
.alb-sec { padding-top: clamp(3rem, 7vw, 5rem); }
.alb-h1 {
  font-family: var(--display); font-variation-settings: "wdth" 80, "wght" 850;
  font-size: clamp(2rem, 4.8vw, 3.7rem); line-height: .95; text-wrap: balance;
  text-transform: uppercase; margin-top: .9rem;
}
.alb-h2 {
  font-family: var(--display); font-variation-settings: "wdth" 84, "wght" 800;
  font-size: clamp(1.5rem, 3.4vw, 2.3rem); text-transform: uppercase; margin-top: .6rem;
}
.alb-sub { font-family: var(--mono); font-size: .78rem; letter-spacing: .12em; text-transform: uppercase; color: var(--mute); margin-top: .9rem; }
.alb-desc { color: var(--mute); max-width: 56ch; margin-top: 1.4rem; font-size: clamp(1rem, 1.4vw, 1.1rem); }

/* Hero: texto + portada */
.alb-hero { display: grid; gap: 2rem; padding-top: clamp(2rem, 6vw, 4rem); align-items: end; }
@media (min-width: 900px) { .alb-hero { grid-template-columns: 1fr 1.1fr; gap: 3.5rem; } }
.alb-datos { display: flex; gap: 2.2rem; margin-top: 1.8rem; padding-top: 1.2rem; border-top: 1px solid var(--line); }
.alb-datos dt { font-family: var(--mono); font-size: .64rem; letter-spacing: .16em; text-transform: uppercase; color: var(--dim); }
.alb-datos dd { font-family: var(--display); font-weight: 800; font-size: 1.15rem; margin-top: .3rem; }
.alb-portada { position: relative; display: block; width: 100%; padding: 0; border: 1px solid var(--line); overflow: hidden; cursor: zoom-in; aspect-ratio: 4 / 3; background: var(--bg-2); }
.alb-portada img { width: 100%; height: 100%; object-fit: cover; transition: transform .9s var(--ease-out); }
.alb-portada:hover img { transform: scale(1.035); }
.alb-portada-hint {
  position: absolute; right: .8rem; bottom: .8rem; padding: .45rem .7rem;
  background: var(--bg); color: var(--ink); font-family: var(--mono); font-size: .66rem;
  letter-spacing: .12em; text-transform: uppercase;
}

/* Trabajo realizado: checklist que se tilda al aparecer */
.alb-trab { display: grid; gap: 1px; margin-top: 1.2rem; background: var(--line); border: 1px solid var(--line); }
@media (min-width: 640px) { .alb-trab { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1000px) { .alb-trab { grid-template-columns: repeat(4, 1fr); } }
.alb-trab li {
  display: flex; align-items: flex-start; gap: .75rem; background: var(--bg);
  padding: 1.1rem 1.1rem; font-size: .95rem; line-height: 1.35;
  opacity: .25; transform: translateY(6px);
  transition: opacity .5s var(--ease-out) var(--d), transform .5s var(--ease-out) var(--d), background .3s;
}
.alb-trab li:hover { background: var(--bg-2); }
.alb-trab.is-on li { opacity: 1; transform: none; }
.chk { flex: none; width: 18px; height: 18px; margin-top: .1rem; border: 1px solid var(--accent); position: relative; }
.chk::after {
  content: ""; position: absolute; left: 5px; top: 1px; width: 5px; height: 10px;
  border: solid var(--accent); border-width: 0 2px 2px 0; transform: rotate(45deg) scale(0);
  transition: transform .35s var(--ease-out) calc(var(--d) + .25s);
}
.alb-trab.is-on .chk::after { transform: rotate(45deg) scale(1); }

/* Antes / después */
.ba { position: relative; margin-top: 1.4rem; aspect-ratio: 4 / 3; max-height: 78vh; overflow: hidden; border: 1px solid var(--line); user-select: none; touch-action: pan-y; background: #000; }
@media (min-width: 900px) { .ba { max-width: 900px; } }
.ba-img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.ba-clip { position: absolute; inset: 0; clip-path: inset(0 calc(100% - var(--pos)) 0 0); }
.ba-bar { position: absolute; top: 0; bottom: 0; left: var(--pos); width: 2px; margin-left: -1px; background: var(--accent); pointer-events: none; }
.ba-knob {
  position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%);
  width: 46px; height: 46px; display: grid; place-items: center; border-radius: 50%;
  background: var(--accent); color: var(--accent-ink); font-size: 1.2rem; font-weight: 700;
  box-shadow: 0 6px 24px rgba(0,0,0,.35);
}
.ba-lbl { position: absolute; top: .9rem; padding: .35rem .6rem; background: var(--bg); font-family: var(--mono); font-size: .66rem; letter-spacing: .14em; text-transform: uppercase; pointer-events: none; }
.ba-lbl-a { left: .9rem; } .ba-lbl-d { right: .9rem; color: var(--accent); }
.ba-range { position: absolute; inset: 0; width: 100%; height: 100%; opacity: 0; cursor: ew-resize; margin: 0; }
.ba-range:focus-visible + * , .ba:focus-within .ba-knob { outline: 2px solid var(--paper); outline-offset: 3px; }

/* Filtros */
.filtros { display: flex; flex-wrap: wrap; gap: .5rem; }
.fil {
  font-family: var(--mono); font-size: .7rem; letter-spacing: .1em; text-transform: uppercase;
  padding: .55rem .85rem; border: 1px solid var(--line-btn); background: transparent; color: var(--ink);
  cursor: pointer; transition: background .25s, color .25s, border-color .25s;
}
.fil span { color: var(--dim); margin-left: .25rem; }
.fil:hover { border-color: var(--paper); }
.fil[aria-pressed="true"] { background: var(--accent); border-color: var(--accent); color: var(--accent-ink); }
.fil[aria-pressed="true"] span { color: rgba(7,5,52,.6); }

/* Miniaturas */
.alb-fotos-head { display: flex; flex-wrap: wrap; align-items: end; justify-content: space-between; gap: 1.2rem; }
.thumbs { display: grid; grid-template-columns: repeat(2, 1fr); gap: .5rem; margin-top: 1.4rem; }
@media (min-width: 640px) { .thumbs { grid-template-columns: repeat(3, 1fr); } }
@media (min-width: 1000px) { .thumbs { grid-template-columns: repeat(5, 1fr); } }
.th { transition: opacity .35s var(--ease-out), transform .35s var(--ease-out); }
.th.is-off { display: none; }
.th button { position: relative; display: block; width: 100%; padding: 0; border: 0; aspect-ratio: 1; overflow: hidden; cursor: zoom-in; background: var(--bg-2); }
.th img { width: 100%; height: 100%; object-fit: cover; transition: transform .6s var(--ease-out), filter .4s; }
.th button:hover img { transform: scale(1.06); }
.th-tag {
  position: absolute; left: .45rem; bottom: .45rem; padding: .25rem .45rem;
  background: rgba(7,5,52,.82); font-family: var(--mono); font-size: .58rem;
  letter-spacing: .12em; text-transform: uppercase; color: var(--ink);
}
.th[data-etapa="despues"] .th-tag { background: var(--accent); color: var(--accent-ink); }

/* CTA */
.alb-cta { margin-top: clamp(3rem, 7vw, 5rem); padding: clamp(2rem, 5vw, 3.5rem); background: var(--accent); color: var(--accent-ink); display: grid; gap: 1rem; justify-items: start; }
.alb-cta h2 { font-family: var(--display); font-variation-settings: "wdth" 78, "wght" 900; font-size: clamp(1.8rem, 4.5vw, 3rem); text-transform: uppercase; line-height: .95; }
.alb-cta .btn-accent { background: var(--bg); color: var(--ink); border-color: var(--bg); }
.alb-cta .btn-accent:hover { background: var(--paper); color: var(--bg); }

/* Otros trabajos */
.otros { display: grid; gap: .8rem; margin-top: 1.2rem; }
@media (min-width: 640px) { .otros { grid-template-columns: repeat(2, 1fr); } }
.otro { display: flex; align-items: center; gap: 1rem; padding: .6rem; border: 1px solid var(--line); transition: background .3s, border-color .3s; }
.otro:hover { background: var(--bg-2); border-color: var(--line-btn); }
.otro img { width: 88px; height: 66px; object-fit: cover; flex: none; }
.otro b { display: block; font-family: var(--display); text-transform: uppercase; font-size: 1rem; }
.otro small { font-family: var(--mono); font-size: .66rem; letter-spacing: .12em; color: var(--mute); text-transform: uppercase; }
.alb-foot { max-width: 1280px; margin: clamp(3rem, 7vw, 5rem) auto 0; padding: 2rem var(--pad) 2.5rem; border-top: 1px solid var(--line); font-family: var(--mono); font-size: .7rem; letter-spacing: .08em; color: var(--mute); }
.alb-foot a:hover { color: var(--accent); }

/* Visor (lightbox) */
.lb { position: fixed; inset: 0; z-index: 2000; background: #03021a; display: grid; grid-template-rows: auto 1fr auto auto; }
.lb[hidden] { display: none; }
.lb-top { display: flex; align-items: center; gap: 1rem; padding: .8rem var(--pad); font-family: var(--mono); font-size: .74rem; letter-spacing: .12em; }
.lb-et { color: var(--accent); text-transform: uppercase; }
.lb-x { margin-left: auto; width: 44px; height: 44px; border: 1px solid var(--line-btn); background: transparent; color: var(--ink); font-size: 1.6rem; cursor: pointer; }
.lb-stage { position: relative; display: grid; place-items: center; overflow: hidden; padding: 0 var(--pad); touch-action: pan-y; }
.lb-stage img { max-width: 100%; max-height: 100%; object-fit: contain; transition: opacity .25s, transform .25s; }
.lb-stage img.is-cambiando { opacity: 0; transform: scale(.985); }
.lb-nav {
  position: fixed; top: 50%; transform: translateY(-50%); width: 52px; height: 52px;
  border: 1px solid var(--line-btn); background: rgba(7,5,52,.7); color: var(--ink);
  font-size: 2rem; line-height: 1; cursor: pointer; display: none;
}
@media (min-width: 720px) { .lb-nav { display: block; } }
.lb-nav:hover { background: var(--accent); color: var(--accent-ink); border-color: var(--accent); }
.lb-prev { left: 1rem; } .lb-next { right: 1rem; }
.lb-cap { text-align: center; padding: .8rem var(--pad) .4rem; color: var(--mute); font-size: .92rem; }
.lb-strip { display: flex; gap: .35rem; overflow-x: auto; padding: .5rem var(--pad) 1rem; scrollbar-width: thin; }
.lb-strip button { flex: none; width: 58px; height: 58px; padding: 0; border: 2px solid transparent; opacity: .5; cursor: pointer; background: none; }
.lb-strip button img { width: 100%; height: 100%; object-fit: cover; }
.lb-strip button[aria-current="true"] { border-color: var(--accent); opacity: 1; }
body.lb-abierto { overflow: hidden; }
@media (prefers-reduced-motion: reduce) { .alb-trab li, .chk::after, .lb-stage img, .th img { transition: none !important; } }

/* --- Efectos en el álbum --- */
.th-cap {
  position: absolute; left: 0; right: 0; bottom: 0; padding: 2.2rem .6rem .55rem;
  background: linear-gradient(to top, rgba(7,5,52,.92), transparent);
  color: var(--ink); font-size: .78rem; line-height: 1.3; text-align: left;
  opacity: 0; transform: translateY(10px); transition: opacity .35s, transform .35s var(--ease-out);
}
.th-zoom {
  position: absolute; top: .5rem; right: .5rem; width: 30px; height: 30px; display: grid; place-items: center;
  background: var(--accent); color: var(--accent-ink); font-weight: 700; font-size: 1.1rem;
  opacity: 0; transform: scale(.6) rotate(-90deg); transition: opacity .3s, transform .35s var(--ease-out);
}
.th button { transition: transform .35s var(--ease-out), box-shadow .35s; }
@media (hover: hover) {
  .th button:hover { transform: translateY(-4px); box-shadow: 0 12px 30px rgba(0,0,0,.4), 0 0 0 2px var(--accent); }
  .th button:hover .th-cap { opacity: 1; transform: none; }
  .th button:hover .th-zoom { opacity: 1; transform: none; }
  .th button:hover .th-tag { opacity: 0; }
}
.th-tag { transition: opacity .25s; }
.alb-portada img { transition: transform .5s var(--ease-out); }
.thumbs .th { animation: thIn .5s var(--ease-out) both; animation-delay: calc(var(--k, 0) * 40ms); }
@keyframes thIn { from { opacity: 0; transform: translateY(12px); } }
@media (prefers-reduced-motion: reduce) { .thumbs .th { animation: none; } }

/* Visor: la foto siempre entera, sin recortes (PC y celular) */
.lb { height: 100vh; height: 100dvh; }
.lb-stage { min-height: 0; padding: 0; }
.lb-stage img {
  position: absolute; inset: 0; margin: auto;
  width: auto; height: auto;
  max-width: calc(100% - 2 * var(--pad)); max-height: 100%;
  object-fit: contain;
}
@media (min-width: 720px) { .lb-stage img { max-width: calc(100% - 9rem); } }
/* Flechas también en celular, más chicas y abajo a los costados */
@media (max-width: 719px) {
  .lb-nav { display: block; width: 42px; height: 42px; font-size: 1.6rem; top: auto; bottom: 6.2rem; transform: none; }
  .lb-prev { left: .6rem; } .lb-next { right: .6rem; }
}
/* Portada del álbum: foto entera, con fondo */
.alb-portada img { object-fit: contain; }