.portfolio-actions {
  display: flex;
  justify-content: flex-end;
  gap: 12px;
  flex-wrap: wrap;
}

.full-portfolio-link {
  background: var(--sand);
  color: var(--ink);
}

.full-portfolio-link:hover {
  background: #e0c39b;
}

.portfolio-intro {
  padding: clamp(52px, 8vw, 105px) 9% 55px;
  background: var(--cream);
}

.portfolio-back {
  display: inline-block;
  margin-bottom: 48px;
  color: #58594f;
  font-size: 14px;
}

.portfolio-back:hover {
  color: #a57e4a;
}

.portfolio-intro h1 {
  margin: 0;
  font: 400 clamp(44px, 7vw, 78px)/1.08 var(--serif);
  letter-spacing: -0.035em;
}

.portfolio-intro h1 em {
  color: #9c7950;
}

.portfolio-intro-copy {
  max-width: 470px;
  margin: 20px 0 0;
  color: #66675f;
}

.portfolio-content {
  padding: 48px 6.5% 90px;
}

.portfolio-filters {
  display: flex;
  align-items: center;
  gap: 9px;
  flex-wrap: wrap;
  padding-bottom: 23px;
  border-bottom: 1px solid var(--line);
}

.filter-button {
  min-height: 40px;
  padding: 8px 15px;
  border: 1px solid var(--line);
  border-radius: 0;
  background: transparent;
  color: var(--ink);
  font: 500 13px var(--sans);
  cursor: pointer;
  transition: color 0.2s ease, background 0.2s ease, border-color 0.2s ease;
}

.filter-button:hover,
.filter-button.is-active {
  border-color: var(--ink);
  background: var(--ink);
  color: var(--paper);
}

.filter-button:focus-visible,
.portfolio-back:focus-visible,
.portfolio-card:focus-visible,
.viewer-close:focus-visible,
.viewer-nav:focus-visible {
  outline: 2px solid #8b6a43;
  outline-offset: 4px;
}

.apartment-filter-group {
  display: flex;
  align-items: center;
  gap: 8px;
}

.apartment-subfilters {
  display: flex;
  gap: 8px;
  align-items: center;
  flex-wrap: wrap;
  padding-left: 9px;
  border-left: 1px solid var(--line);
}

.apartment-subfilters[hidden] {
  display: none;
}

.apartment-subfilter {
  border-style: dashed;
}

.portfolio-count {
  margin: 19px 0;
  color: var(--muted);
  font-size: 13px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.portfolio-gallery {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  align-items: start;
  column-gap: clamp(12px, 2vw, 26px);
  row-gap: clamp(26px, 4vw, 55px);
}

.portfolio-card {
  grid-column: span 4;
  display: block;
  min-width: 0;
  padding: 0;
  border: 0;
  background: transparent;
  color: inherit;
  text-align: left;
  cursor: zoom-in;
}

.portfolio-card:nth-child(5n + 1),
.portfolio-card:nth-child(5n + 4) {
  grid-column: span 6;
}

.portfolio-card:nth-child(5n + 3) {
  margin-top: clamp(15px, 4vw, 52px);
}

.portfolio-card img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: contain;
  background: #e8e3dc;
  transition: opacity 0.25s ease;
}

.portfolio-card:hover img {
  opacity: 0.88;
}

.portfolio-card-caption {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  padding-top: 11px;
  color: #66675f;
  font-size: 12px;
  letter-spacing: 0.08em;
}

.portfolio-empty {
  padding: 45px 0;
  color: var(--muted);
}

.image-viewer {
  width: min(96vw, 1500px);
  max-width: none;
  max-height: 96dvh;
  padding: 18px;
  border: 1px solid #ffffff26;
  background: #171b18;
  color: var(--paper);
}

.image-viewer::backdrop {
  background: #111512ed;
}

.viewer-toolbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 20px;
  padding: 0 0 13px;
}

.viewer-caption,
.viewer-count {
  margin: 0;
  color: #e0ded7;
  font-size: 13px;
}

.viewer-close,
.viewer-nav {
  border: 1px solid #ffffff70;
  background: #202421;
  color: #fff;
  cursor: pointer;
}

.viewer-close {
  padding: 8px 12px;
  font: 500 13px var(--sans);
}

.viewer-close span {
  padding-left: 8px;
  font-size: 18px;
}

.viewer-stage {
  position: relative;
  display: grid;
  place-items: center;
  min-height: 180px;
}

.viewer-image {
  display: block;
  width: auto;
  height: auto;
  max-width: 100%;
  max-height: calc(96dvh - 100px);
  object-fit: contain;
}

.viewer-nav {
  position: absolute;
  z-index: 1;
  top: 50%;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  font: 32px/1 var(--serif);
  transform: translateY(-50%);
}

.viewer-prev {
  left: 12px;
}

.viewer-next {
  right: 12px;
}

.viewer-count {
  padding-top: 11px;
  text-align: center;
}

@media (max-width: 900px) {
  .portfolio-gallery {
    grid-template-columns: repeat(6, minmax(0, 1fr));
  }

  .portfolio-card,
  .portfolio-card:nth-child(5n + 1),
  .portfolio-card:nth-child(5n + 4) {
    grid-column: span 3;
  }

  .portfolio-card:nth-child(5n + 3) {
    margin-top: 0;
  }

  .portfolio-card:nth-child(4n + 1) {
    grid-column: span 4;
  }

  .portfolio-card:nth-child(4n + 2) {
    grid-column: span 2;
  }
}

@media (max-width: 650px) {
  .portfolio-actions {
    justify-content: flex-start;
  }

  .portfolio-actions .btn {
    margin: 12px 0 0;
  }

  .portfolio-intro {
    padding: 42px 7% 38px;
  }

  .portfolio-back {
    margin-bottom: 34px;
  }

  .portfolio-content {
    padding: 30px 7% 60px;
  }

  .portfolio-filters {
    gap: 7px;
  }

  .filter-button {
    min-height: 42px;
    padding: 9px 11px;
    font-size: 13px;
  }

  .apartment-filter-group {
    width: 100%;
    flex-wrap: wrap;
    padding: 10px 0 0;
    border-top: 1px solid var(--line);
  }

  .apartment-subfilters {
    padding-left: 9px;
  }

  .portfolio-gallery {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: 12px;
    row-gap: 25px;
  }

  .portfolio-card,
  .portfolio-card:nth-child(5n + 1),
  .portfolio-card:nth-child(5n + 4),
  .portfolio-card:nth-child(4n + 1),
  .portfolio-card:nth-child(4n + 2) {
    grid-column: span 1;
  }

  .portfolio-card:nth-child(3n + 1) {
    grid-column: 1 / -1;
  }

  .image-viewer {
    width: 100vw;
    max-height: 100dvh;
    padding: 12px;
    border: 0;
  }

  .viewer-image {
    max-height: calc(100dvh - 100px);
  }

  .viewer-nav {
    width: 38px;
    height: 38px;
  }

  .viewer-prev {
    left: 5px;
  }

  .viewer-next {
    right: 5px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .filter-button,
  .portfolio-card img {
    transition: none;
  }
}