/* How it works — gallery triptych + simple overlay expand (not bento) */

.hiw-triptych-page {
  background: #000;
}

.hiw-triptych-main {
  padding-bottom: 3rem;
}

.hiw-triptych-intro {
  padding-top: 1.5rem;
  padding-bottom: 1.25rem;
  text-align: center;
}

.hiw-triptych-intro h1 {
  margin: 0 0 0.5rem;
  font-size: clamp(1.5rem, 3vw, 2rem);
  letter-spacing: -0.02em;
}

.hiw-triptych-intro p {
  margin: 0;
  color: var(--foreground-diminished);
  font-size: 0.98rem;
  line-height: 1.5;
}

.hiw-triptych-notes {
  padding-top: 2rem;
  padding-bottom: 1rem;
}

.hiw-triptych-notes h2 {
  margin: 0 0 0.75rem;
  font-size: 1.1rem;
  color: var(--selected);
}

.hiw-triptych-notes ul {
  margin: 0;
  padding-left: 1.2rem;
  color: var(--foreground-diminished);
  font-size: 0.92rem;
  line-height: 1.55;
}

.hiw-triptych-notes li + li {
  margin-top: 0.35rem;
}

/* —— Stage: mat frame; tiles are absolute slits —— */

.hiw-triptych {
  --hiw-gap: 0.65rem;
  --hiw-mat: clamp(0.75rem, 2.2vw, 1.75rem);
  --hiw-expand-duration: 0.55s;
  --hiw-expand-ease: cubic-bezier(0.22, 1, 0.36, 1);
  --hiw-collapse-duration: 0.5s;
  --hiw-collapse-ease: cubic-bezier(0.45, 0.05, 0.25, 1);
  --hiw-stage-h: min(78svh, 52rem);
  /* three equal columns inside the mat */
  --hiw-col: calc((100% - 2 * var(--hiw-mat) - 2 * var(--hiw-gap)) / 3);

  box-sizing: border-box;
  position: relative;
  width: min(1120px, calc(100vw - 1.5rem));
  height: var(--hiw-stage-h);
  margin-inline: auto;
  overflow: hidden;
  border-radius: 0.35rem;
  background: #eceae4;
  box-shadow:
    0 0 0 1px rgba(255, 255, 255, 0.06),
    0 24px 60px rgba(0, 0, 0, 0.45);
}

.hiw-triptych__tile {
  position: absolute;
  top: var(--hiw-mat);
  bottom: var(--hiw-mat);
  width: var(--hiw-col);
  z-index: 1;
  display: block;
  overflow: hidden;
  isolation: isolate;
  margin: 0;
  padding: 0;
  border: 0;
  border-radius: 0.15rem;
  background: #111;
  color: #fff;
  text-align: left;
  cursor: pointer;
  outline: none;
  font: inherit;
  transition:
    left var(--hiw-collapse-duration) var(--hiw-collapse-ease),
    width var(--hiw-collapse-duration) var(--hiw-collapse-ease),
    top var(--hiw-collapse-duration) var(--hiw-collapse-ease),
    bottom var(--hiw-collapse-duration) var(--hiw-collapse-ease),
    height var(--hiw-collapse-duration) var(--hiw-collapse-ease),
    opacity 0.3s ease,
    transform 0.4s cubic-bezier(0.22, 1, 0.36, 1);
}

.hiw-triptych[class*="is-expanded-"] .hiw-triptych__tile {
  transition:
    left var(--hiw-expand-duration) var(--hiw-expand-ease),
    width var(--hiw-expand-duration) var(--hiw-expand-ease),
    top var(--hiw-expand-duration) var(--hiw-expand-ease),
    bottom var(--hiw-expand-duration) var(--hiw-expand-ease),
    height var(--hiw-expand-duration) var(--hiw-expand-ease),
    opacity 0.25s ease,
    transform 0.35s ease;
}

.hiw-triptych__tile[data-hiw-tile="1"] {
  left: var(--hiw-mat);
}

.hiw-triptych__tile[data-hiw-tile="2"] {
  left: calc(var(--hiw-mat) + var(--hiw-col) + var(--hiw-gap));
}

.hiw-triptych__tile[data-hiw-tile="3"] {
  left: calc(var(--hiw-mat) + 2 * (var(--hiw-col) + var(--hiw-gap)));
}

/* Expanded tile overlays the other two inside the mat */
.hiw-triptych[class*="is-expanded-"] .hiw-triptych__tile.is-active {
  left: var(--hiw-mat);
  width: calc(100% - 2 * var(--hiw-mat));
  z-index: 3;
}

.hiw-triptych[class*="is-expanded-"] .hiw-triptych__tile:not(.is-active) {
  opacity: 0.35;
  pointer-events: none;
  z-index: 0;
}

.hiw-triptych__tile:focus-visible {
  outline: 2px solid var(--selected);
  outline-offset: 3px;
}

.hiw-triptych__media {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  max-width: none;
  object-fit: cover;
  object-position: top center;
  pointer-events: none;
}

.hiw-triptych__scrim {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(
      to top,
      rgba(0, 0, 0, 0.78) 0%,
      rgba(0, 0, 0, 0.35) 45%,
      rgba(0, 0, 0, 0.18) 100%
    );
  transition: background 0.35s ease;
}

.hiw-triptych[class*="is-expanded-"] .hiw-triptych__tile.is-active .hiw-triptych__scrim {
  background:
    linear-gradient(
      to top,
      rgba(0, 0, 0, 0.88) 0%,
      rgba(0, 0, 0, 0.5) 42%,
      rgba(0, 0, 0, 0.28) 100%
    );
}

.hiw-triptych__content {
  position: absolute;
  inset: auto 0 0 0;
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.35rem;
  padding: 1.15rem 1.2rem 1.3rem;
  transition:
    opacity 0.3s ease,
    transform 0.4s cubic-bezier(0.22, 1, 0.36, 1);
}

.hiw-triptych[class*="is-expanded-"] .hiw-triptych__tile.is-active .hiw-triptych__content {
  opacity: 0;
  transform: translateY(8px);
  pointer-events: none;
}

.hiw-triptych__icon {
  width: 2.1rem;
  height: 2.1rem;
  margin-bottom: 0.2rem;
  filter: brightness(0) invert(1);
  opacity: 0.95;
}

.hiw-triptych__content strong {
  font-size: clamp(1rem, 1.8vw, 1.3rem);
  font-weight: 600;
  letter-spacing: -0.01em;
  color: #fff;
}

.hiw-triptych__content > span {
  font-size: 0.88rem;
  color: rgba(255, 255, 255, 0.78);
  line-height: 1.35;
  max-width: 16rem;
}

.hiw-triptych:not([class*="is-expanded-"]) .hiw-triptych__tile:hover,
.hiw-triptych:not([class*="is-expanded-"]) .hiw-triptych__tile:focus-visible {
  z-index: 2;
  transform: scale(1.02);
}

.hiw-triptych:not([class*="is-expanded-"]) .hiw-triptych__tile:hover .hiw-triptych__media,
.hiw-triptych:not([class*="is-expanded-"]) .hiw-triptych__tile:focus-visible .hiw-triptych__media {
  filter: brightness(1.06);
}

.hiw-triptych:not([class*="is-expanded-"]) .hiw-triptych__tile:hover .hiw-triptych__content,
.hiw-triptych:not([class*="is-expanded-"]) .hiw-triptych__tile:focus-visible .hiw-triptych__content {
  transform: translateY(-4px);
}

/* Detail floats over the expanded tile */

.hiw-triptych__detail {
  position: absolute;
  inset: var(--hiw-mat);
  z-index: 4;
  display: flex;
  align-items: flex-end;
  padding: clamp(1.25rem, 3vw, 2.5rem);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease calc(var(--hiw-expand-duration) * 0.4);
}

.hiw-triptych[class*="is-expanded-"] .hiw-triptych__detail {
  opacity: 1;
}

.hiw-triptych__detail .hiw-triptych__close,
.hiw-triptych__detail .hiw-triptych__detail-inner,
.hiw-triptych__detail .hiw-triptych__detail-inner a {
  pointer-events: auto;
}

.hiw-triptych__detail-inner {
  max-width: min(40rem, 92%);
  color: #fff;
}

.hiw-triptych__detail-inner[hidden] {
  display: none;
}

.hiw-triptych__detail-inner h3 {
  margin: 0 0 0.5rem;
  font-size: clamp(1.45rem, 3vw, 2.15rem);
  font-weight: 600;
  letter-spacing: -0.02em;
  color: #fff;
}

.hiw-triptych__detail-inner > p {
  margin: 0 0 1.15rem;
  font-size: 1.02rem;
  line-height: 1.5;
  color: rgba(255, 255, 255, 0.82);
}

.hiw-triptych__shots {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
}

.hiw-triptych__shot {
  flex: 1 1 8.5rem;
  min-height: 5.5rem;
  max-width: 12rem;
  display: flex;
  align-items: flex-end;
  padding: 0.65rem 0.75rem;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 0.45rem;
  background:
    linear-gradient(145deg, rgba(255, 255, 255, 0.12), rgba(255, 255, 255, 0.03));
  color: rgba(255, 255, 255, 0.88);
  font-size: 0.78rem;
  line-height: 1.3;
}

.hiw-triptych__chips {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-bottom: 1rem;
}

.hiw-triptych__chip {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.35rem 0.65rem;
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 999px;
  background: rgba(0, 0, 0, 0.28);
  color: rgba(255, 255, 255, 0.9);
  font-size: 0.78rem;
}

.hiw-triptych__chip img {
  width: 1rem;
  height: 1rem;
  filter: brightness(0) invert(1);
  opacity: 0.9;
}

.hiw-triptych__close {
  position: absolute;
  top: 0.85rem;
  right: 0.85rem;
  z-index: 5;
  width: 2.75rem;
  height: 2.75rem;
  border: 0;
  border-radius: 999px;
  background: rgba(0, 0, 0, 0.45);
  color: #fff;
  font-size: 1.75rem;
  line-height: 1;
  cursor: pointer;
  backdrop-filter: blur(8px);
}

.hiw-triptych__close:hover,
.hiw-triptych__close:focus-visible {
  background: rgba(0, 0, 0, 0.65);
  outline: 2px solid #fff;
  outline-offset: 2px;
}

/* —— Mobile: stacked slits, expand overlays full mat —— */

@media (max-width: 899px) {
  .hiw-triptych {
    --hiw-gap: 0.55rem;
    --hiw-mat: 0.65rem;
    --hiw-row: calc((100% - 2 * var(--hiw-mat) - 2 * var(--hiw-gap)) / 3);
    --hiw-stage-h: min(88svh, 42rem);

    width: calc(100vw - 1.25rem);
  }

  .hiw-triptych__tile {
    left: var(--hiw-mat);
    width: calc(100% - 2 * var(--hiw-mat));
    height: var(--hiw-row);
    bottom: auto;
  }

  .hiw-triptych__tile[data-hiw-tile="1"] {
    top: var(--hiw-mat);
  }

  .hiw-triptych__tile[data-hiw-tile="2"] {
    top: calc(var(--hiw-mat) + var(--hiw-row) + var(--hiw-gap));
  }

  .hiw-triptych__tile[data-hiw-tile="3"] {
    top: calc(var(--hiw-mat) + 2 * (var(--hiw-row) + var(--hiw-gap)));
  }

  .hiw-triptych[class*="is-expanded-"] .hiw-triptych__tile.is-active {
    top: var(--hiw-mat);
    left: var(--hiw-mat);
    width: calc(100% - 2 * var(--hiw-mat));
    height: calc(100% - 2 * var(--hiw-mat));
  }

  .hiw-triptych__detail {
    padding: 1.1rem 1.15rem 1.35rem;
  }

  .hiw-triptych__close {
    top: 0.65rem;
    right: 0.65rem;
  }
}

/* Entrance */

.hiw-triptych__tile {
  opacity: 0;
  transform: translateY(18px);
}

@keyframes hiw-triptych-enter {
  from {
    opacity: 0;
    transform: translateY(18px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.hiw-triptych.is-ready .hiw-triptych__tile {
  opacity: 1;
  transform: translateY(0);
}

.hiw-triptych.is-ready:not(.is-entered) .hiw-triptych__tile {
  animation: hiw-triptych-enter 0.55s cubic-bezier(0.22, 1, 0.36, 1) backwards;
}

.hiw-triptych.is-ready:not(.is-entered) .hiw-triptych__tile[data-hiw-tile="1"] { animation-delay: 0.05s; }
.hiw-triptych.is-ready:not(.is-entered) .hiw-triptych__tile[data-hiw-tile="2"] { animation-delay: 0.12s; }
.hiw-triptych.is-ready:not(.is-entered) .hiw-triptych__tile[data-hiw-tile="3"] { animation-delay: 0.19s; }

.hiw-triptych.is-ready.is-entered .hiw-triptych__tile {
  animation: none;
}

.hiw-triptych.is-ready[class*="is-expanded-"] .hiw-triptych__tile:not(.is-active) {
  opacity: 0.35;
}

@media (prefers-reduced-motion: reduce) {
  .hiw-triptych__tile,
  .hiw-triptych__media,
  .hiw-triptych__content,
  .hiw-triptych__scrim,
  .hiw-triptych__detail {
    transition: none !important;
    animation: none !important;
  }

  .hiw-triptych__tile {
    opacity: 1;
    transform: none;
  }
}