/* Projects portfolio — Olson Kundig layout */

body.portfolio-body {
  background: #181716;
}

body.portfolio-body #site-header nav {
  box-shadow: none;
  border-bottom: 1px solid rgba(0, 0, 0, 0.06);
}

.portfolio-page {
  --portfolio-dark: #181716;
  --portfolio-drawer-w: 17.5rem;
  --portfolio-header-offset: 4.25rem;
  --portfolio-intro-height: 14rem;
  --portfolio-gutter: clamp(1.25rem, 2.5vw, 2rem);
  background: var(--portfolio-dark);
  color: #fff;
  position: relative;
  overflow-x: hidden;
  padding-top: var(--portfolio-header-offset);
}

.portfolio-stage {
  width: 100%;
  transition: width 0.45s cubic-bezier(0.4, 0, 0.2, 1);
}

.portfolio-page.filters-open .portfolio-stage {
  width: calc(100% - var(--portfolio-drawer-w));
}

/* ── Intro (compact, one dark band) ── */
.portfolio-intro {
  padding: 0.85rem var(--portfolio-gutter) 1.35rem;
}

.portfolio-intro-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.35rem;
}

.portfolio-intro-label,
.portfolio-filters-open-btn {
  font-family: "Raleway", sans-serif;
  font-size: 0.625rem;
  font-weight: 600;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: #fff;
}

.portfolio-filters-open-btn {
  background: none;
  border: none;
  cursor: pointer;
  padding: 0;
  transition: opacity 0.2s ease;
}

.portfolio-filters-open-btn:hover,
.portfolio-filters-open-btn:focus-visible {
  opacity: 0.55;
  outline: none;
}

.portfolio-page.filters-open .portfolio-filters-open-btn {
  opacity: 0.55;
}

.portfolio-intro-text {
  font-family: "Raleway", sans-serif;
  font-size: clamp(1.375rem, 3vw, 2.25rem);
  font-weight: 300;
  line-height: 1.18;
  letter-spacing: -0.01em;
  margin: 0;
  color: #fff;
  max-width: 54rem;
}

/* ── Grid (full bleed, zero gap) ── */
.portfolio-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
  width: 100%;
}

@media (min-width: 768px) {
  .portfolio-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

.portfolio-item {
  opacity: 1;
  min-width: 0;
  transition: opacity 0.4s ease;
}

.portfolio-item.portfolio-animate-in {
  opacity: 0;
}

.portfolio-item.portfolio-animate-in.is-visible {
  opacity: 1;
}

.portfolio-item.is-hidden {
  display: none;
}

/* Single project: left column only, like OK grid */
.portfolio-item:only-child {
  grid-column: 1;
}

.portfolio-card {
  display: block;
  text-decoration: none;
  color: #fff;
}

.portfolio-card-media {
  position: relative;
  overflow: hidden;
  background: #222;
  height: calc(100vh - var(--portfolio-header-offset) - var(--portfolio-intro-height));
  min-height: 22rem;
}

@media (max-width: 767px) {
  .portfolio-card-media {
    height: 72vw;
    min-height: 18rem;
  }
}

.portfolio-card-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.portfolio-card-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to top,
    rgba(0, 0, 0, 0.55) 0%,
    rgba(0, 0, 0, 0.12) 28%,
    transparent 50%
  );
  pointer-events: none;
  transition: background 0.3s ease;
}

.portfolio-card:hover .portfolio-card-overlay,
.portfolio-card:focus-visible .portfolio-card-overlay {
  background: linear-gradient(
    to top,
    rgba(0, 0, 0, 0.82) 0%,
    rgba(0, 0, 0, 0.45) 50%,
    rgba(0, 0, 0, 0.15) 75%
  );
}

.portfolio-card-caption {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 2;
  padding: 1.35rem var(--portfolio-gutter) 1.5rem;
  pointer-events: none;
}

.portfolio-card-title {
  font-family: "Raleway", sans-serif;
  font-size: clamp(1.0625rem, 1.8vw, 1.375rem);
  font-weight: 600;
  line-height: 1.2;
  margin: 0;
  color: #fff;
}

.portfolio-card-meta {
  font-family: "Raleway", sans-serif;
  font-size: clamp(0.8125rem, 1.2vw, 0.9375rem);
  font-weight: 400;
  line-height: 1.45;
  color: rgba(255, 255, 255, 0.88);
  margin: 0.3rem 0 0;
  display: -webkit-box;
  -webkit-line-clamp: 1;
  -webkit-box-orient: vertical;
  overflow: hidden;
  transition: color 0.25s ease;
}

.portfolio-card:hover .portfolio-card-meta,
.portfolio-card:focus-visible .portfolio-card-meta {
  display: block;
  -webkit-line-clamp: unset;
  overflow: visible;
  color: rgba(255, 255, 255, 0.95);
}

.portfolio-empty {
  text-align: center;
  padding: 4rem var(--portfolio-gutter);
  color: rgba(255, 255, 255, 0.45);
  font-style: italic;
}

.portfolio-empty[hidden] {
  display: none;
}

.portfolio-actions {
  text-align: center;
  padding: 2rem var(--portfolio-gutter) 3rem;
}

.portfolio-show-more {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 1.75rem;
  border: 1px solid rgba(255, 255, 255, 0.4);
  background: transparent;
  color: #fff;
  font: inherit;
  font-size: 0.625rem;
  font-weight: 600;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  cursor: pointer;
  transition: background 0.2s ease;
}

.portfolio-show-more:hover,
.portfolio-show-more:focus-visible {
  background: rgba(255, 255, 255, 0.08);
  outline: none;
}

.portfolio-show-more[hidden] {
  display: none;
}

.portfolio-placeholder {
  text-align: center;
  padding: 5rem var(--portfolio-gutter);
  color: rgba(255, 255, 255, 0.45);
  font-size: 0.9375rem;
}

/* ── Filter drawer ── */
.portfolio-filters-drawer {
  position: fixed;
  top: var(--portfolio-header-offset);
  right: 0;
  bottom: 0;
  width: var(--portfolio-drawer-w);
  z-index: 45;
  background: var(--portfolio-dark);
  border-left: 1px solid rgba(255, 255, 255, 0.28);
  transform: translateX(100%);
  transition: transform 0.45s cubic-bezier(0.4, 0, 0.2, 1);
  overflow-y: auto;
}

.portfolio-page.filters-open .portfolio-filters-drawer {
  transform: translateX(0);
}

.portfolio-filters-drawer-inner {
  padding: 1.5rem 1.25rem 2rem;
}

.portfolio-filters-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 2.5rem;
}

.portfolio-filters-head span {
  font-size: 0.625rem;
  font-weight: 600;
  letter-spacing: 0.24em;
  text-transform: uppercase;
}

.portfolio-filters-close {
  background: none;
  border: none;
  color: #fff;
  font-size: 1.25rem;
  line-height: 1;
  cursor: pointer;
  padding: 0.15rem 0.3rem;
  opacity: 0.75;
}

.portfolio-filters-close:hover,
.portfolio-filters-close:focus-visible {
  opacity: 0.4;
  outline: none;
}

.portfolio-filter-group + .portfolio-filter-group {
  margin-top: 2rem;
  padding-top: 2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.portfolio-filter-group h3 {
  font-size: 0.625rem;
  font-weight: 600;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  margin: 0 0 1rem;
}

.portfolio-filter-search {
  width: 100%;
  border: none;
  border-bottom: 1px solid rgba(255, 255, 255, 0.28);
  background: transparent;
  color: #fff;
  font: inherit;
  font-size: 0.875rem;
  padding: 0.45rem 0;
  outline: none;
}

.portfolio-filter-search::placeholder {
  color: rgba(255, 255, 255, 0.35);
}

.portfolio-filter-search:focus {
  border-bottom-color: #fff;
}

.portfolio-filter-options {
  list-style: none;
  margin: 0;
  padding: 0;
}

.portfolio-filter-options li + li {
  margin-top: 0.65rem;
}

.portfolio-filter-option {
  background: none;
  border: none;
  font: inherit;
  font-size: 0.875rem;
  color: rgba(255, 255, 255, 0.45);
  cursor: pointer;
  padding: 0;
  text-align: left;
}

.portfolio-filter-option:hover,
.portfolio-filter-option:focus-visible {
  color: #fff;
  outline: none;
}

.portfolio-filter-option.is-active {
  color: #fff;
  font-weight: 500;
}

.portfolio-filter-count {
  margin-top: 2rem;
  font-size: 0.6875rem;
  letter-spacing: 0.06em;
  color: rgba(255, 255, 255, 0.35);
}

.portfolio-filters-backdrop {
  display: none;
}

@media (max-width: 767px) {
  .portfolio-page {
    --portfolio-drawer-w: min(88vw, 17.5rem);
  }

  .portfolio-page.filters-open .portfolio-stage {
    width: 100%;
  }

  .portfolio-filters-drawer {
    top: 0;
    z-index: 60;
    padding-top: var(--portfolio-header-offset);
  }

  .portfolio-filters-backdrop {
    display: block;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: 55;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.35s ease;
  }

  .portfolio-page.filters-open .portfolio-filters-backdrop {
    opacity: 1;
    pointer-events: auto;
  }
}

@media (prefers-reduced-motion: reduce) {
  .portfolio-stage,
  .portfolio-filters-drawer,
  .portfolio-item {
    transition: none;
  }

  .portfolio-item.portfolio-animate-in {
    opacity: 1;
  }

  .portfolio-card-meta {
    display: block;
    -webkit-line-clamp: unset;
    overflow: visible;
  }
}