/*
  Portfolio — the video wall and its full-screen reel viewer.

  The page opens on the shared ink band and closes on the shared panel, like
  every other inner page; what is specific to it is the masonry of video tiles
  and the viewer, which is a world of its own and stays here.
*/

/* ─── Filters ─── */

.portfolio-explore {
  position: relative;
  z-index: 1;
}

.portfolio-explore__inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 clamp(0.75rem, 3vw, 1.5rem);
}

.portfolio-filters {
  display: flex;
  gap: 0.5rem;
  overflow-x: auto;
  padding: 0.25rem 0 1.25rem;
  margin-bottom: 0.5rem;
  scrollbar-width: none;
  -webkit-overflow-scrolling: touch;
  width: 100%;
  justify-content: center;
}

.portfolio-filters::-webkit-scrollbar {
  display: none;
}

/* Squared off to the site's radius rather than pills, like every other control. */
.portfolio-filter {
  flex-shrink: 0;
  padding: 0.6875rem 1.25rem;
  border: 1px solid rgba(18, 16, 14, 0.22);
  border-radius: var(--radius-sm);
  background: transparent;
  font-size: var(--fs-xs);
  font-weight: 500;
  color: var(--text-muted);
  transition:
    background-color 0.4s var(--ease-out),
    border-color 0.4s var(--ease-out),
    color 0.4s var(--ease-out);
}

.portfolio-filter:hover {
  border-color: var(--brass);
  color: var(--text);
}

.portfolio-filter--active {
  background: var(--text);
  border-color: var(--text);
  color: var(--paper);
}

.portfolio-grid-wrap {
  width: min(100%, 720px);
}

.portfolio-empty {
  padding: 3rem 1rem;
  text-align: center;
  color: var(--text-muted);
  font-size: var(--fs-sm);
}

/* Masonry — columns + LTR flow so column order stays consistent */
.portfolio-masonry {
  columns: 3;
  column-gap: 3px;
  width: 100%;
  direction: ltr;
}

.portfolio-masonry .portfolio-item {
  animation: portfolio-item-in 0.55s var(--ease-out) both;
}

.portfolio-masonry .portfolio-item:nth-child(1) { animation-delay: 0.02s; }
.portfolio-masonry .portfolio-item:nth-child(2) { animation-delay: 0.05s; }
.portfolio-masonry .portfolio-item:nth-child(3) { animation-delay: 0.08s; }
.portfolio-masonry .portfolio-item:nth-child(4) { animation-delay: 0.11s; }
.portfolio-masonry .portfolio-item:nth-child(5) { animation-delay: 0.14s; }
.portfolio-masonry .portfolio-item:nth-child(6) { animation-delay: 0.17s; }
.portfolio-masonry .portfolio-item:nth-child(n+7) { animation-delay: 0.2s; }

@keyframes portfolio-item-in {
  from {
    opacity: 0;
    transform: translateY(12px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.portfolio-item {
  direction: rtl;
  break-inside: avoid;
  margin-bottom: 3px;
  opacity: 1;
  transform: translateY(0);
  transition:
    opacity 0.4s var(--ease-out),
    transform 0.4s var(--ease-out);
}

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

.portfolio-item__trigger {
  display: block;
  width: 100%;
  text-align: inherit;
  color: inherit;
  cursor: pointer;
  position: relative;
}

/*
  The backdrop shows through whenever a tile has no poster and the browser
  declines to paint a frame — iOS Safari being the case that matters. A faint
  brass wash reads as an intentional empty plate rather than a hole in the grid.
*/
.portfolio-item__media {
  position: relative;
  overflow: hidden;
  background:
    radial-gradient(120% 90% at 50% 0%, var(--brass-glow), transparent 70%),
    var(--ink-raised);
  border-radius: 2px;
}

.portfolio-item--square .portfolio-item__media {
  aspect-ratio: 1 / 1;
}

.portfolio-item--portrait .portfolio-item__media {
  aspect-ratio: 4 / 5;
}

.portfolio-item--tall .portfolio-item__media {
  aspect-ratio: 9 / 14;
}

.portfolio-item__video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.6s var(--ease-out);
}

.portfolio-item__overlay {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(
    180deg,
    rgba(26, 23, 20, 0.08) 0%,
    rgba(26, 23, 20, 0.35) 100%
  );
  transition: opacity 0.35s var(--ease-out);
}

.portfolio-item__play {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 3rem;
  height: 3rem;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.92);
  color: var(--text);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.25);
  transition: transform 0.35s var(--ease-out);
}

.portfolio-item__duration {
  position: absolute;
  bottom: 0.5rem;
  left: 0.5rem;
  padding: 0.2rem 0.45rem;
  border-radius: 4px;
  background: rgba(0, 0, 0, 0.55);
  font-size: 0.6875rem;
  font-weight: 600;
  color: #fff;
  letter-spacing: 0.03em;
}

/* Unknown run time, so no empty pill. */
.portfolio-item__duration:empty {
  display: none;
}

.portfolio-item__meta {
  position: absolute;
  inset: auto 0 0 0;
  z-index: 2;
  padding: 2.5rem 0.75rem 0.75rem;
  background: linear-gradient(transparent, rgba(0, 0, 0, 0.72));
  opacity: 0;
  transform: translateY(6px);
  transition: all 0.35s var(--ease-out);
  pointer-events: none;
}

.portfolio-item__category {
  display: block;
  font-size: 0.6875rem;
  font-weight: 500;
  color: var(--brass-light);
  margin-bottom: 0.2rem;
}

.portfolio-item__title {
  font-size: 0.8125rem;
  font-weight: 600;
  color: #fff;
  line-height: 1.4;
}

@media (hover: hover) {
  .portfolio-item__trigger:hover .portfolio-item__video {
    transform: scale(1.04);
  }

  .portfolio-item__trigger:hover .portfolio-item__play {
    transform: scale(1.08);
  }

  .portfolio-item__trigger:hover .portfolio-item__meta {
    opacity: 1;
    transform: translateY(0);
  }

  .portfolio-item__trigger:hover .portfolio-item__overlay {
    opacity: 0.85;
  }

  .portfolio-item--previewing .portfolio-item__play {
    opacity: 0;
    transform: scale(0.8);
  }

  .portfolio-item--previewing .portfolio-item__overlay {
    opacity: 0.35;
  }
}

/* ─── Full-screen viewer (reels) ─── */
.portfolio-viewer {
  position: fixed;
  inset: 0;
  z-index: 1100;
  background: #000;
  color: #fff;
}

.portfolio-viewer[hidden] {
  display: none !important;
}

.portfolio-viewer__chrome {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1110;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: max(0.75rem, env(safe-area-inset-top)) 1rem 0.75rem;
  background: linear-gradient(180deg, rgba(0, 0, 0, 0.65) 0%, transparent 100%);
  pointer-events: none;
}

.portfolio-viewer__chrome > * {
  pointer-events: auto;
}

.portfolio-viewer__close,
.portfolio-viewer__mute {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 2.5rem;
  height: 2.5rem;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.12);
  backdrop-filter: blur(12px);
  color: #fff;
  transition: background 0.25s ease;
}

.portfolio-viewer__close:hover,
.portfolio-viewer__mute:hover {
  background: rgba(255, 255, 255, 0.22);
}

.portfolio-viewer__counter {
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  opacity: 0.9;
}

.portfolio-viewer__track {
  height: 100dvh;
  overflow-y: scroll;
  scroll-snap-type: y mandatory;
  scroll-behavior: smooth;
  scrollbar-width: none;
}

.portfolio-viewer__track::-webkit-scrollbar {
  display: none;
}

.portfolio-viewer__slide {
  height: 100dvh;
  scroll-snap-align: start;
  scroll-snap-stop: always;
  display: flex;
  align-items: center;
  justify-content: center;
}

.portfolio-viewer__frame {
  position: relative;
  width: min(100%, 480px);
  height: 100%;
  margin: 0 auto;
}

.portfolio-viewer__video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  background: #000;
}

.portfolio-viewer__gradient {
  position: absolute;
  inset: auto 0 0 0;
  height: 45%;
  background: linear-gradient(transparent, rgba(0, 0, 0, 0.85));
  pointer-events: none;
}

.portfolio-viewer__meta {
  position: absolute;
  inset: auto 0 0 0;
  padding: 0 1.25rem max(1.5rem, env(safe-area-inset-bottom));
  z-index: 2;
}

.portfolio-viewer__category {
  display: inline-block;
  margin-bottom: 0.35rem;
  padding: 0.25rem 0.625rem;
  border-radius: var(--radius-pill);
  background: rgba(255, 255, 255, 0.12);
  font-size: 0.6875rem;
  font-weight: 600;
  color: var(--brass-light);
}

.portfolio-viewer__title {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 600;
  line-height: 1.35;
}

.portfolio-viewer__loader {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 2rem;
  height: 2rem;
  margin: -1rem 0 0 -1rem;
  border: 2px solid rgba(255, 255, 255, 0.2);
  border-top-color: #fff;
  border-radius: 50%;
  animation: portfolio-spin 0.8s linear infinite;
  opacity: 0;
  transition: opacity 0.2s ease;
}

.portfolio-viewer__frame.is-loading .portfolio-viewer__loader {
  opacity: 1;
}

@keyframes portfolio-spin {
  to { transform: rotate(360deg); }
}

.portfolio-viewer__hint {
  position: fixed;
  bottom: max(1rem, env(safe-area-inset-bottom));
  left: 50%;
  transform: translateX(-50%);
  z-index: 1110;
  font-size: 0.75rem;
  color: rgba(255, 255, 255, 0.55);
  pointer-events: none;
  animation: portfolio-hint 2.5s ease-in-out infinite;
}

@keyframes portfolio-hint {
  0%, 100% { opacity: 0.4; transform: translateX(-50%) translateY(0); }
  50% { opacity: 0.85; transform: translateX(-50%) translateY(-4px); }
}

body.portfolio-viewer-open {
  overflow: hidden;
}

/* Responsive */
@media (min-width: 768px) {
  .portfolio-grid-wrap {
    width: min(100%, 920px);
  }

  .portfolio-masonry {
    columns: 4;
    column-gap: 4px;
  }

  .portfolio-item {
    margin-bottom: 4px;
  }

  .portfolio-item__media {
    border-radius: 3px;
  }
}

@media (min-width: 1200px) {
  .portfolio-grid-wrap {
    width: min(100%, 1080px);
  }

  .portfolio-masonry {
    columns: 5;
  }
}

@media (max-width: 480px) {
  .portfolio-viewer__hint {
    display: block;
  }
}

@media (min-width: 481px) {
  .portfolio-viewer__hint {
    display: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  .portfolio-item__video,
  .portfolio-filter,
  .portfolio-item__overlay,
  .portfolio-item__meta {
    transition: none;
  }

  .portfolio-viewer__hint {
    animation: none;
  }
}