/* ==========================================================
   ABOUT — graffiti spatial prototype (isolated, removable)
   ========================================================== */

.about-thread[data-graffiti-proto] {
  position: relative;
}

.about-graffiti-proto__slot {
  position: relative;

  min-height: 0;
}

@media (min-width: 52rem) {
  .about-graffiti-proto__slot {
    transition: min-height 0.74s cubic-bezier(0.2, 1.12, 0.34, 1);
  }

  .about-graffiti-proto__slot.is-open {
    min-height: var(--proto-stage-height, 0);
  }
}

/* --- Portal word treatment (this sequence only) ------------ */

.about-portal--graffiti-proto {
  position: relative;

  border-bottom: 2px solid var(--about-purple);

  background-image: linear-gradient(var(--about-teal), var(--about-teal));
  background-repeat: no-repeat;
  background-position: 0 100%;
  background-size: 0% 2px;

  transition:
    color 0.28s ease,
    border-color 0.28s ease,
    background-size 0.38s cubic-bezier(0.22, 1, 0.36, 1),
    transform 0.28s cubic-bezier(0.22, 1, 0.36, 1);
}

.about-portal--graffiti-proto:hover,
.about-portal--graffiti-proto:focus-visible {
  color: var(--about-purple);

  transform: translateY(-1px);
}

.about-portal--graffiti-proto:hover,
.about-portal--graffiti-proto:focus-visible {
  background-size: 100% 2px;
}

.about-portal--graffiti-proto:focus-visible {
  outline: 2px solid var(--about-purple);
  outline-offset: 3px;
}

.about-portal--graffiti-proto[aria-expanded="true"] {
  color: var(--about-purple);

  border-bottom-color: var(--about-teal);

  background-size: 100% 2px;
}

/* --- Shared reveal overrides ------------------------------- */

.about-graffiti-proto__reveal {
  will-change: transform, opacity;
}

.about-graffiti-proto__reveal .about-reveal__image {
  display: block;

  width: 100%;
  height: auto;

  box-shadow:
    0 2px 8px rgba(0, 1, 0, 0.06),
    0 22px 56px rgba(0, 1, 0, 0.11);
}

.about-graffiti-proto__close {
  position: absolute;
  z-index: 6;
  top: clamp(0.45rem, 1.2vw, 0.65rem);
  right: clamp(0.45rem, 1.2vw, 0.65rem);

  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.35rem;

  min-width: 2.75rem;
  min-height: 2.75rem;
  padding: 0.45rem 0.7rem;

  border: 1px solid rgba(255, 255, 255, 0.28);
  border-radius: 2px;

  background: rgba(0, 1, 0, 0.86);
  box-shadow: 0 2px 10px rgba(0, 1, 0, 0.22);

  color: #fff;

  font-family: "IBM Plex Mono", ui-monospace, monospace;
  font-size: clamp(0.68rem, 0.95vw, 0.74rem);
  font-weight: 400;
  letter-spacing: 0.14em;
  line-height: 1;
  text-transform: uppercase;

  cursor: pointer;
}

.about-graffiti-proto__close-mark {
  font-size: 1.05em;
  font-weight: 400;
  line-height: 1;
}

.about-graffiti-proto__close:hover,
.about-graffiti-proto__close:focus-visible {
  background: rgba(0, 1, 0, 0.94);
  border-color: rgba(255, 255, 255, 0.42);
}

.about-graffiti-proto__close:focus-visible {
  outline: 2px solid var(--about-teal);
  outline-offset: 2px;
}

.about-graffiti-proto__reveal:not(.is-open) .about-graffiti-proto__close {
  visibility: hidden;

  pointer-events: none;
}

/* --- Desktop spatial canvas -------------------------------- */

@media (min-width: 52rem) {
  .about-graffiti-proto__reveal {
    position: absolute;
    z-index: 5;
    top: var(--proto-top, 0);
    left: var(--proto-left, 0);

    width: var(--proto-width, min(72vw, 100%));
    max-height: none !important;
    margin: 0 !important;

    overflow: visible;

    opacity: 0;
    visibility: hidden;

    pointer-events: none;

    transform: translate(var(--proto-enter-x, 0), var(--proto-enter-y, 0))
      scale(var(--proto-enter-scale, 0.16));

    transition: none;
  }

  .about-graffiti-proto__reveal:not([hidden]) {
    visibility: visible;
  }

  .about-graffiti-proto__reveal.is-open,
  .about-graffiti-proto__reveal.is-closing {
    pointer-events: auto;
  }

  .about-graffiti-proto__reveal.is-animating {
    transition:
      transform 0.74s cubic-bezier(0.2, 1.12, 0.34, 1),
      opacity 0.42s ease,
      filter 0.5s ease;
  }

  .about-graffiti-proto__reveal--second.is-animating {
    transition:
      transform 0.82s cubic-bezier(0.16, 1.08, 0.28, 1),
      opacity 0.48s ease,
      filter 0.5s ease;
  }

  .about-graffiti-proto__reveal.is-open {
    opacity: 1;

    transform: translate(0, 0) scale(1);
  }

  .about-graffiti-proto__reveal.is-closing {
    opacity: 0;

    transform: translate(var(--proto-enter-x, 0), var(--proto-enter-y, 0))
      scale(var(--proto-enter-scale, 0.16));
  }

  .about-graffiti-proto__reveal--first.is-yielded {
    opacity: 0.26;

    filter: saturate(0.72);

    pointer-events: none;

    transform: translate(-10px, 6px) scale(0.93);
  }

  .about-graffiti-proto__reveal--first.is-yielded.is-animating {
    transition:
      transform 0.55s ease,
      opacity 0.45s ease,
      filter 0.45s ease;
  }

  .about-graffiti-proto__reveal .about-reveal__image {
    width: 100%;
    max-width: none;
    max-height: min(78vh, 52rem);

    object-fit: contain;
    object-position: left center;
  }
}

/* --- Mobile: controlled vertical expand -------------------- */

@media (max-width: 51.99rem) {
  .about-graffiti-proto__reveal {
    position: relative;

    transform-origin: center top;

    max-height: 0;
    margin: 0;

    opacity: 0;

    transform: translateY(-12px) scale(0.92);

    transition: none;
  }

  .about-graffiti-proto__reveal:not([hidden]) {
    visibility: visible;
  }

  .about-graffiti-proto__reveal.is-animating {
    transition:
      transform 0.52s cubic-bezier(0.22, 1, 0.36, 1),
      opacity 0.34s ease,
      max-height 0.52s ease,
      margin 0.34s ease;
  }

  .about-graffiti-proto__reveal.is-open {
    max-height: 120rem;
    margin: clamp(0.75rem, 2.5vw, 1.1rem) 0 clamp(0.85rem, 2.5vw, 1.25rem);

    opacity: 1;

    transform: translateY(0) scale(1);
  }

  .about-graffiti-proto__reveal.is-closing {
    max-height: 0;
    margin: 0;

    opacity: 0;

    transform: translateY(-10px) scale(0.94);
  }

  .about-graffiti-proto__reveal .about-reveal__image {
    width: min(94vw, 100%);
    max-height: min(72vh, 40rem);
  }

  .about-graffiti-proto__reveal--first.is-yielded {
    opacity: 0.32;

    transform: scale(0.96);
  }

  .about-graffiti-proto__close {
    min-width: 2.75rem;
    min-height: 2.75rem;
    padding: 0.55rem 0.75rem;
  }
}

/* --- Reduced motion ---------------------------------------- */

.about-reduced-motion .about-graffiti-proto__reveal,
.about-reduced-motion .about-graffiti-proto__reveal.is-animating,
.about-reduced-motion .about-graffiti-proto__reveal--first.is-yielded.is-animating {
  transition: none !important;
}

.about-reduced-motion .about-graffiti-proto__reveal.is-open {
  opacity: 1;

  transform: none;
}

.about-reduced-motion .about-graffiti-proto__reveal--first.is-yielded {
  opacity: 0.26;

  transform: none;
  filter: saturate(0.72);
}

.about-reduced-motion .about-graffiti-proto__slot {
  transition: none !important;
}

.about-reduced-motion .about-portal--graffiti-proto {
  transition: color 0.15s ease;
}

@media (prefers-reduced-motion: reduce) {
  .about-graffiti-proto__slot {
    transition: none !important;
  }

  .about-graffiti-proto__reveal,
  .about-graffiti-proto__reveal.is-animating,
  .about-graffiti-proto__reveal--first.is-yielded.is-animating {
    transition: none !important;
  }

  .about-graffiti-proto__reveal.is-open {
    opacity: 1;

    transform: none;
  }

  .about-graffiti-proto__reveal--first.is-yielded {
    opacity: 0.26;

    transform: none;
    filter: saturate(0.72);
  }

  .about-portal--graffiti-proto {
    transition: color 0.15s ease;
  }
}