/* ---------- Movimiento base: parallax + tilt 3D ---------- */
.depth { transform: translate3d(0, var(--py, 0px), 0); will-change: transform; }

.tilt {
  transform-style: preserve-3d;
  transform: perspective(var(--perspective)) rotateX(var(--rx, 0deg)) rotateY(var(--ry, 0deg));
  transition: transform 0.5s var(--ease-out);
  touch-action: pan-y;
}
.tilt.is-active { transition: transform 0.08s linear; }

/* ---------- Pieza (obra enmarcada) ---------- */
.piece { position: relative; }
.piece__media {
  position: relative; overflow: hidden;
  box-shadow: var(--shadow-piece);
  background: var(--arena);
}
.piece__media img { width: 100%; height: auto; }
.piece__glare {
  position: absolute; inset: 0; pointer-events: none; mix-blend-mode: soft-light;
  background: radial-gradient(circle at var(--gx, 50%) var(--gy, 30%), rgb(255 255 255 / 0.55), transparent 55%);
  opacity: var(--glare, 0); transition: opacity 0.4s;
}
.piece--arch .piece__media { border-radius: var(--radius-arch); }

/* ---------- Revelado de texto (solo con JS activo) ---------- */
.js [data-reveal] .rv { display: inline-block; overflow: hidden; vertical-align: bottom; padding-bottom: 0.12em; margin-bottom: -0.12em; }
.js [data-reveal] .rv > span {
  display: inline-block; transform: translateY(110%);
  transition: transform 1s var(--ease-out); transition-delay: calc(var(--i) * var(--step, 55ms) + var(--base, 0ms));
}
.js [data-reveal].is-in .rv > span { transform: none; }
[data-reveal="chars"] { --step: 70ms; white-space: nowrap; }
.hero__lede[data-reveal] { --base: 700ms; }

/* ---------- Hero ---------- */
.hero {
  position: relative; min-height: 100svh; display: grid; align-items: center;
  padding-block: 5rem 4rem; overflow: clip;
}
.hero__inner { display: grid; gap: 2.5rem; align-items: center; }
.hero__word {
  font-size: var(--step-hero); line-height: 0.82; margin-left: -0.04em;
  position: relative; z-index: 2;
}
.hero__word > span { display: block; }
.hero__word > span + span { margin-left: 0.55em; color: var(--mar); }
.hero__inner { position: relative; z-index: 1; }
.hero__lede { max-width: 28ch; font-size: var(--step-1); color: var(--marea-suave); margin-top: 1.5rem; }
.hero__stack { position: relative; width: min(72vw, 21rem); justify-self: end; z-index: 1; }
.hero__stack .piece--back {
  position: absolute; width: 58%; right: 78%; top: 24%; opacity: 0.95;
}

/* Olas: trazo que se dibuja una vez al cargar */
.waves { position: absolute; inset: auto 0 0 0; height: 22%; z-index: 0; width: 100%; color: var(--mar); pointer-events: none; }
.waves path { fill: none; stroke: currentColor; stroke-width: 1.2; opacity: calc(0.55 - var(--i) * 0.1);
  stroke-dasharray: 1; stroke-dashoffset: 1;
  animation: draw 2.6s var(--ease-out) forwards; animation-delay: calc(var(--i) * 0.25s); }
@keyframes draw { to { stroke-dashoffset: 0; } }

/* ---------- Galería ---------- */
.gallery { display: grid; gap: clamp(4rem, 7vw, 5rem) 2rem; grid-template-columns: 1fr; }
.gallery .piece { width: min(100%, 26rem); }
.gallery .piece:nth-child(even) { justify-self: end; }

.xl { position: relative; overflow: hidden; }
.piece__media img { transform: scale(1.1) translate3d(0, var(--iy, 0px), 0); will-change: transform; }

/* Boceto: capa de lápiz que se "pinta" de color al scrollear (--paint va de 0 a 1) */
.piece__media .sketch {
  position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover;
  filter: url(#sketch); pointer-events: none;
  /* el color sube desde abajo con un borde difuso, como si se pintara encima del dibujo */
  -webkit-mask-image: linear-gradient(to bottom, #000 calc((1 - var(--paint, 0)) * 130% - 30%), transparent calc((1 - var(--paint, 0)) * 130%));
          mask-image: linear-gradient(to bottom, #000 calc((1 - var(--paint, 0)) * 130% - 30%), transparent calc((1 - var(--paint, 0)) * 130%));
}

.coast { display: grid; gap: 4rem; grid-template-columns: 1fr; }
.coast .piece--wide { width: 100%; }
.coast__caption { font-size: var(--step--1); color: var(--marea-suave); margin-top: 0.75rem; max-width: 36ch; }

/* ---------- Código y precio de cada obra ---------- */
.tag { display: flex; justify-content: space-between; align-items: baseline; gap: 1rem; margin-top: 0.8rem; padding-top: 0.6rem; border-top: 1px solid var(--bruma); font-size: var(--step--1); color: var(--marea-suave); }
.tag__code { font-family: var(--font-display); font-size: var(--step-0); color: var(--marea); }
.tag__price { font-variant-numeric: tabular-nums; margin-left: auto; }
.tag--sold .tag__price { color: var(--labio); }

/* ---------- WhatsApp ---------- */
.wa-link {
  text-decoration: none; padding-bottom: 0.35em;
  background: linear-gradient(currentColor, currentColor) 0 100% / 100% 1px no-repeat;
  transition: background-size 0.4s var(--ease-out);
}
.wa-link:hover { background-size: 0% 1px; }

.wa-button {
  display: inline-flex; flex-direction: column; gap: 0.15rem;
  padding: 1.1rem 2.2rem; border-radius: 999px; text-decoration: none;
  background: var(--marea); color: var(--espuma);
  box-shadow: 0 1rem 2rem -1rem rgb(23 58 71 / 0.6);
  transition: transform 0.4s var(--ease-out), background 0.3s;
}
.wa-button:hover { transform: translateY(-3px); background: var(--mar); }
.wa-button__label { font-family: var(--font-display); font-size: var(--step-1); font-weight: 300; }
.wa-button__phone { font-size: var(--step--1); opacity: 0.8; letter-spacing: 0.04em; }

.contact { background: var(--bruma); }
.contact__title { font-size: var(--step-2); max-width: 14ch; margin-bottom: 2.5rem; }

.footer { padding-block: 2.5rem; font-size: var(--step--1); color: var(--marea-suave); }

/* ---------- Desktop ---------- */
@media (min-width: 48rem) {
  .hero__inner { grid-template-columns: 1.2fr 1fr; }
  .gallery { grid-template-columns: repeat(12, 1fr); }
  .gallery .piece { width: auto; }
  .gallery .piece:nth-child(1) { grid-column: 2 / span 4; }
  .gallery .piece:nth-child(2) { grid-column: 8 / span 4; margin-top: 6rem; }
  .gallery .piece:nth-child(3) { grid-column: 4 / span 4; }
  .coast { grid-template-columns: repeat(12, 1fr); align-items: start; }
  .coast .piece:nth-child(1) { grid-column: 1 / span 6; }
  .coast .piece:nth-child(2) { grid-column: 9 / span 3; margin-top: 4rem; }
  .coast .piece:nth-child(3) { grid-column: 2 / span 4; }
  .coast .piece:nth-child(4) { grid-column: 8 / span 3; margin-top: 3rem; }
  .coast .piece:nth-child(5) { grid-column: 2 / span 3; }
  .coast .piece:nth-child(6) { grid-column: 7 / span 3; margin-top: 2rem; }
}

@media (max-width: 47.99rem) {
  .hero__stack { justify-self: center; margin-top: 1rem; }
  .hero__stack .piece--back { right: 70%; width: 46%; }
  .hero { padding-top: 4rem; }
}

/* ---------- Movimiento reducido ---------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .depth { transform: none !important; }
  .waves path { animation: none; stroke-dashoffset: 0; }
}


/* ---------- En casa: las piezas colgadas en ambientes reales ---------- */
.section__lede { max-width: 46ch; color: var(--marea-suave); margin: -2rem 0 3rem; }
.rooms { display: grid; gap: 2rem; grid-template-columns: repeat(2, 1fr); align-items: start; }
.rooms .piece:nth-child(even) { margin-top: 3rem; }
.rooms .piece__media img { aspect-ratio: 9 / 16; object-fit: cover; }
@media (min-width: 64rem) {
  .rooms { grid-template-columns: repeat(5, 1fr); gap: 1.5rem; }
  .rooms .piece:nth-child(even) { margin-top: 5rem; }
}


/* ---------- Fondos artísticos: las pinturas como manchas de color con parallax y deriva ---------- */
.section, .hero { position: relative; }
.section { overflow: clip; }
.container { position: relative; z-index: 1; }
.bg-art { position: absolute; inset: 0; z-index: 0; pointer-events: none; }
.bg-art__blob { position: absolute; width: min(var(--w), 90vw); aspect-ratio: 1; left: var(--x); top: var(--y); }
.bg-art__blob img {
  width: 100%; height: 100%; object-fit: cover; border-radius: var(--shape);
  filter: blur(var(--blur, 26px)) saturate(1.3); opacity: calc(var(--o, 0.25) * 1.7);
  animation: drift var(--t, 24s) ease-in-out infinite alternate;
}
@keyframes drift {
  from { translate: 0 0; rotate: -5deg; scale: 1; }
  to   { translate: 4% -5%; rotate: 6deg; scale: 1.1; }
}

/* ---------- Formas orgánicas en vez de rectángulos ---------- */
.gallery .piece:nth-child(1) .piece__media { border-radius: 50% 50% 46% 54% / 62% 60% 40% 38%; }
.gallery .piece:nth-child(3) .piece__media { border-radius: 58% 42% 52% 48% / 48% 56% 44% 52%; }
.gallery .piece:nth-child(2) .piece__media { border-radius: 1.5rem 9rem 1.5rem 9rem; }
.xl.piece__media, .xl-section .piece__media { border-radius: 14rem 14rem 2rem 2rem / 18rem 18rem 2rem 2rem; }
.coast .piece:nth-child(1) .piece__media { border-radius: 0 12rem 0 12rem; }
.coast .piece:nth-child(2) .piece__media { border-radius: 999px 999px 1rem 1rem; }
.coast .piece:nth-child(3) .piece__media { border-radius: 2rem 8rem 2rem 8rem; }
.coast .piece:nth-child(4) .piece__media { border-radius: 50% 50% 50% 50% / 60% 60% 40% 40%; }
.coast .piece:nth-child(5) .piece__media { border-radius: 8rem 2rem 8rem 2rem; }
.coast .piece:nth-child(6) .piece__media { border-radius: 999px 999px 1rem 1rem; }
.rooms .piece:nth-child(odd) .piece__media { border-radius: 999px 999px 1rem 1rem; }
.rooms .piece:nth-child(even) .piece__media { border-radius: 2rem 6rem 2rem 6rem; }

@media (prefers-reduced-motion: reduce) { .bg-art__blob img { animation: none; } .bg-art__blob { transform: none !important; } }

/* ---------- Piezas flotantes en la portada ---------- */
.hero__stack .piece--float { position: absolute; z-index: 2; }
.hero__stack .piece--f1 { width: 42%; left: -16%; top: 60%; rotate: -7deg; }
.hero__stack .piece--f2 { width: 40%; left: 70%; top: -8%; rotate: 6deg; }
.hero__stack .piece--f1 .piece__media { border-radius: 999px 999px 1rem 1rem; }
.hero__stack .piece--f2 .piece__media { border-radius: 2rem 7rem 2rem 7rem; }
.hero__stack .piece__media img { animation: none; }

/* Halo que sigue al mouse */
.hero::after {
  content: ""; position: absolute; inset: 0; z-index: 0; pointer-events: none;
  background: radial-gradient(28rem circle at var(--mx, 70%) var(--my, 40%), rgb(45 106 123 / 0.18), transparent 65%);
  opacity: var(--glow, 0); transition: opacity 0.6s;
}

/* ---------- Cinta de pinturas que se desliza ---------- */
.ribbon { overflow: hidden; padding-block: clamp(3rem, 8vw, 6rem); rotate: -2deg; margin-block: -1rem; background: linear-gradient(transparent, rgb(201 217 221 / 0.45), transparent); }
.ribbon__track { display: flex; gap: 1.5rem; width: max-content; animation: ribbon 80s linear infinite; }
.ribbon__track img { height: clamp(9rem, 15vw, 13rem); width: auto; box-shadow: var(--shadow-piece); }
.ribbon__track img:nth-child(4n+1) { border-radius: 999px 999px 1rem 1rem; }
.ribbon__track img:nth-child(4n+2) { border-radius: 2rem 6rem 2rem 6rem; }
.ribbon__track img:nth-child(4n+3) { border-radius: 50%; aspect-ratio: 1; object-fit: cover; }
.ribbon__track img:nth-child(4n)   { border-radius: 6rem 2rem 6rem 2rem; }
.ribbon:hover .ribbon__track { animation-play-state: paused; }
.ribbon { pointer-events: auto; }
@keyframes ribbon { to { transform: translateX(-50%); } }
@media (prefers-reduced-motion: reduce) { .ribbon__track { animation: none; } .hero::after { display: none; } }

/* Sin desborde horizontal por elementos rotados o flotantes; las piezas decorativas no llevan boceto */
main { overflow-x: clip; }
.piece--float .sketch { display: none; }

/* ---------- Tamaños en PC ---------- */
@media (min-width: 64rem) {
  .xl-section .piece { max-width: 46rem; margin-inline: auto; }
  .rooms { max-width: 58rem; margin-inline: auto; }
}

/* ---------- Revelado desde los costados ---------- */
[data-from="left"]  { --dx: -0.9em; }
[data-from="right"] { --dx: 0.9em; }
.js [data-reveal][data-from] .rv { overflow: visible; }
.js [data-reveal][data-from] .rv > span {
  transform: translateX(var(--dx)); opacity: 0; filter: blur(8px);
  transition: transform 1.1s var(--ease-out), opacity 0.9s ease, filter 0.9s ease;
  transition-delay: calc(var(--i) * var(--step, 55ms) + var(--base, 0ms));
}
.js [data-reveal][data-from].is-in .rv > span { transform: none; opacity: 1; filter: none; }
.section__title[data-from="left"] { --dx: -2.5em; }
.section__title[data-from="right"], .contact__title[data-from="right"] { --dx: 2.5em; }

/* ---------- Fondo con color: tonos de las pinturas por sección ---------- */
#retratos { background: linear-gradient(180deg, var(--sal), #f2ebe4 45%, var(--sal)); }
#costa    { background: linear-gradient(180deg, var(--sal), #e3edef 50%, var(--sal)); }
#en-casa  { background: linear-gradient(180deg, var(--sal), #efe9df 50%, var(--sal)); }

/* Fragmentos nítidos de cuadros, con bordes que se desvanecen */
.bg-art__frag img {
  border-radius: 50%; transform: scale(var(--zoom, 1));
  -webkit-mask-image: radial-gradient(closest-side, #000 55%, transparent 100%);
          mask-image: radial-gradient(closest-side, #000 55%, transparent 100%);
  filter: saturate(1.1);
}

/* El fondo gira y crece al scrollear (navegadores con animaciones ligadas al scroll) */
@supports (animation-timeline: view()) {
  .bg-art__blob { animation: bg-scroll linear both; animation-timeline: view(); }
  @keyframes bg-scroll { from { rotate: -14deg; scale: 0.82; } to { rotate: 12deg; scale: 1.18; } }
}
@media (prefers-reduced-motion: reduce) { .bg-art__blob { animation: none; } }

/* ---------- Visor de obras: aparición suave y deslizable ---------- */
.piece__media[role="button"] { cursor: zoom-in; }
.lightbox {
  border: 0; padding: 0; width: 100vw; max-width: none; height: 100dvh; max-height: none;
  background: rgb(23 58 71 / 0.9); color: var(--espuma); overflow: hidden;
  -webkit-backdrop-filter: blur(14px); backdrop-filter: blur(14px);
}
.lightbox[open] { animation: lb-in 0.5s var(--ease-out); }
.lightbox::backdrop { background: rgb(23 58 71 / 0.35); }
@keyframes lb-in { from { opacity: 0; } }
.lightbox__track {
  display: flex; height: 100%; touch-action: pan-y; cursor: grab; user-select: none;
  transform: translateX(calc(var(--index, 0) * -100% + var(--drag, 0px)));
  transition: transform 0.6s var(--ease-out);
}
.lightbox__track.is-dragging { transition: none; cursor: grabbing; }
.lightbox__track.is-instant { transition: none; }
.lightbox__slide { flex: 0 0 100%; display: grid; place-content: center; justify-items: center; gap: 1rem; padding: 4rem 1rem; }
.lightbox__img {
  max-width: min(88vw, 60rem); max-height: 74dvh; width: auto; height: auto; object-fit: contain;
  border-radius: 0.4rem; box-shadow: 0 2rem 4rem -1rem rgb(0 0 0 / 0.5);
  opacity: 0.25; scale: 0.9; filter: blur(6px);
  transition: opacity 0.6s ease, scale 0.7s var(--ease-out), filter 0.7s ease;
}
.lightbox__slide.is-current .lightbox__img { opacity: 1; scale: 1; filter: none; }
.lightbox[open] .is-current .lightbox__img { animation: lb-img 0.8s var(--ease-out); }
@keyframes lb-img { from { opacity: 0; scale: 0.92; filter: blur(14px); } }
.lightbox__caption { display: flex; gap: 1.5rem; align-items: baseline; min-height: 1.6em; }
.lightbox__caption .tag__code { font-family: var(--font-display); font-size: var(--step-1); color: var(--espuma); }
.lightbox button {
  position: absolute; background: rgb(250 251 250 / 0.12); color: var(--espuma); border: 0; cursor: pointer;
  width: 3rem; height: 3rem; border-radius: 50%; font-size: 1.4rem; line-height: 1; display: grid; place-items: center;
  transition: background 0.25s, opacity 0.25s;
}
.lightbox button:hover { background: rgb(250 251 250 / 0.25); }
.lightbox button:disabled { opacity: 0; pointer-events: none; }
.lightbox__close { top: 1rem; right: 1rem; }
.lightbox__prev { left: 1rem; top: 50%; translate: 0 -50%; }
.lightbox__next { right: 1rem; top: 50%; translate: 0 -50%; }
.lightbox__count { position: absolute; left: 50%; bottom: 1.25rem; translate: -50% 0; font-size: var(--step--1); letter-spacing: 0.08em; opacity: 0.75; }
@media (max-width: 47.99rem) {
  .lightbox__prev, .lightbox__next { top: auto; bottom: 0.75rem; translate: none; }
}
@media (prefers-reduced-motion: reduce) {
  .lightbox__track, .lightbox__img { transition: none; }
  .lightbox[open], .lightbox[open] .is-current .lightbox__img { animation: none; }
}

/* ---------- Motivos de los cuadros que flotan ---------- */
.floaters { position: absolute; inset: 0; z-index: 0; overflow: hidden; pointer-events: none; }
.floater { position: absolute; left: var(--x); width: calc(var(--s) * 1.6rem); opacity: 0.85; }
.floaters--daisy .floater { top: -8%; animation: fall var(--d) linear var(--delay) infinite; }
.floaters--daisy .floater svg { animation: sway calc(var(--d) / 4) ease-in-out infinite alternate; filter: drop-shadow(0 4px 6px rgb(23 58 71 / 0.15)); }
@keyframes fall { to { top: 105%; rotate: calc(var(--dir) * 300deg); } }
@keyframes sway { from { translate: calc(var(--sway) * -1) 0; } to { translate: var(--sway) 0; } }
.floaters--fish .floater { top: var(--y); width: calc(var(--s) * 3.6rem); opacity: 0.7; animation: swim var(--d) linear var(--delay) infinite; }
.floaters--fish .floater svg { scale: calc(var(--dir) * -1) 1; animation: bob 3s ease-in-out infinite alternate; }
@keyframes swim { from { left: calc(50% - var(--dir) * 60%); } to { left: calc(50% + var(--dir) * 60%); } }
@keyframes bob { from { translate: 0 -6px; rotate: -3deg; } to { translate: 0 6px; rotate: 3deg; } }
@media (prefers-reduced-motion: reduce) { .floaters { display: none; } }

/* ---------- Hover: cada pieza reacciona distinto (data-hover) ---------- */
@media (hover: hover) and (pointer: fine) {
  .piece[data-hover] .piece__media { transition: border-radius 0.9s var(--ease-out), box-shadow 0.6s, rotate 0.6s var(--ease-out); }
  .piece[data-hover]:hover .piece__media { box-shadow: 0 2rem 3.5rem -1.25rem rgb(45 106 123 / 0.55); }

  /* lupa de boceto: alrededor del puntero se ve el dibujo a lápiz debajo de la pintura */
  .piece[data-hover="lens"] .tilt.is-active .sketch {
    -webkit-mask-image: radial-gradient(circle 6.5rem at var(--px, 50%) var(--py-in, 50%), #000 50%, transparent 100%);
            mask-image: radial-gradient(circle 6.5rem at var(--px, 50%) var(--py-in, 50%), #000 50%, transparent 100%);
  }

  /* la forma cambia */
  .piece[data-hover="morph"]:hover .piece__media { border-radius: 42% 58% 55% 45% / 55% 42% 58% 45%; rotate: -1.5deg; }

  /* agua: la imagen ondula como reflejo en el mar */
  .piece[data-hover="ripple"]:hover .piece__media > img:not(.sketch) { filter: url(#ripple); }

  /* acercamiento lento */
  .piece[data-hover="zoom"] .piece__media > img { transition: scale 1.4s var(--ease-out); }
  .piece[data-hover="zoom"]:hover .piece__media > img { scale: 1.16; }

  /* color que se enciende */
  .piece[data-hover="pop"] .piece__media > img { transition: filter 0.6s ease; }
  .piece[data-hover="pop"]:hover .piece__media > img { filter: saturate(1.5) contrast(1.06) brightness(1.04); }
  .piece[data-hover="pop"]:hover .piece__media { rotate: 1.5deg; }
}

/* ---------- Referencia de cada obra: pastilla pastel ---------- */
.ref {
  position: absolute; top: -0.7rem; left: 0.9rem; z-index: 3;
  padding: 0.3rem 0.75rem; border-radius: 999px;
  font-family: var(--font-body); font-size: 0.78rem; font-weight: 500; letter-spacing: 0.04em; line-height: 1.2;
  color: var(--marea); background: var(--ref-bg, #f7d6e0);
  box-shadow: 0 0.4rem 1rem -0.4rem rgb(23 58 71 / 0.35);
  transform: translateZ(40px); pointer-events: none; white-space: nowrap;
}
.ref--inline { position: static; transform: none; font-size: 0.85rem; }

/* ---------- "Sobre esta obra": descripción desplegable con revelado ---------- */
.desc { margin-top: 0.9rem; position: relative; z-index: 2; }
.hero .desc { position: absolute; top: 100%; left: 0; right: 0; }
.desc__toggle {
  display: inline-flex; align-items: center; gap: 0.55rem; padding: 0.35rem 0.2rem; border: 0; background: none; cursor: pointer;
  font: inherit; font-size: var(--step--1); color: var(--mar); letter-spacing: 0.02em;
}
.desc__toggle:hover .desc__label { text-decoration: underline; text-underline-offset: 0.25em; }
.desc__icon { position: relative; width: 1.35rem; height: 1.35rem; border-radius: 50%; background: var(--bruma); flex: none; transition: rotate 0.5s var(--ease-out), background 0.3s; }
.desc__icon::before, .desc__icon::after { content: ""; position: absolute; inset: 50% auto auto 50%; width: 0.6rem; height: 1.5px; background: var(--marea); translate: -50% -50%; }
.desc__icon::after { rotate: 90deg; transition: rotate 0.5s var(--ease-out); }
.desc.is-open .desc__icon { rotate: 180deg; background: #f7d6e0; }
.desc.is-open .desc__icon::after { rotate: 0deg; }
.desc__panel { display: grid; grid-template-rows: 0fr; transition: grid-template-rows 0.7s var(--ease-out); }
.desc.is-open .desc__panel { grid-template-rows: 1fr; }
.desc__inner { overflow: hidden; }
.desc__text {
  margin-top: 0.6rem; padding: 1rem 1.1rem; border-radius: 1rem 1rem 1rem 0.3rem;
  background: rgb(250 251 250 / 0.82); -webkit-backdrop-filter: blur(6px); backdrop-filter: blur(6px);
  box-shadow: 0 0.8rem 1.8rem -1rem rgb(23 58 71 / 0.35);
  font-family: var(--font-display); font-weight: 300; font-size: 1.02rem; line-height: 1.55; color: var(--marea); max-width: 36ch;
}
.desc__w { display: inline-block; opacity: 0; translate: -0.6em 0; filter: blur(4px); transition: opacity 0.5s ease, translate 0.6s var(--ease-out), filter 0.5s ease; transition-delay: 0s; }
.desc.is-open .desc__w { opacity: 1; translate: 0 0; filter: none; transition-delay: calc(120ms + var(--i) * 28ms); }
.desc__close { margin: 0.5rem 0 0.2rem; border: 0; background: none; padding: 0.2rem 0; cursor: pointer; font: inherit; font-size: var(--step--1); color: var(--marea-suave); text-decoration: underline; text-underline-offset: 0.25em; }
.lightbox__caption { flex-wrap: wrap; justify-content: center; max-width: min(88vw, 40rem); text-align: center; }
.lightbox__desc { flex-basis: 100%; margin: 0; font-family: var(--font-display); font-weight: 300; font-size: 1rem; line-height: 1.5; opacity: 0.9; }
@media (prefers-reduced-motion: reduce) { .desc__panel, .desc__w, .desc__icon { transition: none; } }

/* ---------- Botón de WhatsApp: se llena de pinceladas al hacer clic ---------- */
.wa-button { position: relative; overflow: hidden; isolation: isolate; }
.wa-button > span { position: relative; z-index: 1; }
.paint-fill { position: absolute; inset: -10%; width: 120%; height: 120%; z-index: 0; pointer-events: none; }
.paint-fill path {
  fill: none; stroke-width: 24; stroke-linecap: round; opacity: 0.95;
  stroke-dasharray: 1; stroke-dashoffset: 1;
}
.wa-button.is-painting .paint-fill path { animation: brush 0.55s var(--ease-out) forwards; animation-delay: calc(var(--i) * 70ms); }
@keyframes brush { to { stroke-dashoffset: 0; } }
.wa-button.is-painting > span { text-shadow: 0 1px 6px rgb(0 0 0 / 0.45); }
/* al pasar el mouse asoma una primera pincelada */
@media (hover: hover) { .wa-button:hover .paint-fill path:first-child { animation: brush-peek 0.6s var(--ease-out) forwards; } }
@keyframes brush-peek { to { stroke-dashoffset: 0.75; } }