/* COMPONENTS — shared building blocks used across sections: project cards + lightbox.
   Rules here are NOT section-prefixed (shared classes live only in this file, per DESIGN.md §7). */

/* =====================================================================
   CARD (DESIGN.md §5)
   ===================================================================== */

/* editorial treatment — media leads, no card chrome; caption closes the unit on a hairline */
@property --dm-card-angle {
  syntax: '<angle>';
  inherits: false;
  initial-value: 0deg;
}

@keyframes dm-card-orbit {
  to { --dm-card-angle: 360deg; }
}

.card {
  --card-aspect: 16 / 9;
  --card-bloom-height: calc(56.25cqw + 12px);
  display: block;
  position: relative;
  isolation: isolate;
  container-type: inline-size;
  width: 100%;
  padding: 0;
  background: transparent;
  border: none;
  border-radius: 0;
  text-align: left;
  cursor: pointer;
}

.card-portrait {
  --card-aspect: 9 / 16;
  --card-bloom-height: calc(177.7778cqw + 12px);
}

/* V2 hover highlight, layer 1: wide spectral dispersion bloom. */
.card::before {
  content: '';
  position: absolute;
  top: -6px;
  left: -6px;
  z-index: -1;
  width: calc(100% + 12px);
  aspect-ratio: var(--card-aspect); /* fallback where container units are unavailable */
  height: var(--card-bloom-height);
  border-radius: 19px;
  background: conic-gradient(
    from var(--dm-card-angle),
    #5b8def,
    #d15bd6,
    #e3a24a,
    #5b8def
  );
  filter: blur(11px);
  mix-blend-mode: screen;
  opacity: 0;
  transform: none;
  animation: dm-card-orbit 5s linear infinite;
  transition: opacity .25s ease-in;
  pointer-events: none;
}

/* V2 hover highlight, layer 2: lighter-tint, softly blurred border band. */
.card::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  z-index: 5;
  width: 100%;
  aspect-ratio: var(--card-aspect);
  border-radius: 14px;
  padding: 1px;
  background: conic-gradient(
    from var(--dm-card-angle),
    rgba(150, 190, 250, .85),
    rgba(230, 180, 245, .9),
    rgba(250, 210, 160, .85),
    rgba(150, 190, 250, .85)
  );
  filter: none;
  mix-blend-mode: screen;
  opacity: 0;
  transform: none;
  animation: dm-card-orbit 5s linear infinite;
  transition: opacity .22s ease-in;
  -webkit-mask: linear-gradient(#000, #000) content-box, linear-gradient(#000, #000);
  -webkit-mask-composite: xor;
  mask: linear-gradient(#000, #000) content-box, linear-gradient(#000, #000);
  mask-composite: exclude;
  pointer-events: none;
}

.card:hover::before,
.card:focus-visible::before {
  opacity: .65;
  transform: none;
  transition: opacity .3s ease-out;
}

.card:hover::after,
.card:focus-visible::after {
  opacity: 1;
  transform: none;
  transition: opacity .28s ease-out;
}

/* NOTE: the media box itself never transforms — the scanline overlay (::after)
   must stay pixel-locked or it moirés against the screen grid on scale */
.card-media {
  display: block;
  position: relative;
  overflow: hidden;
  aspect-ratio: 16 / 9;
  background: var(--carbon);
  border: 1px solid var(--line);
  border-radius: 14px;
}

.card-portrait .card-media { aspect-ratio: 9 / 16; }

/* The sharp rim belongs to .card::after. Disabling this former inner core
   avoids a second edge inside the media border while the thumbnail grows. */
.card-media::before {
  content: none;
}

.card-media img,
.card-media video {
  position: absolute;
  inset: 0;
  z-index: 1;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transform: scale(1);
  transition: opacity var(--dur-med) var(--ease-cut), transform var(--dur-med) var(--ease-cut);
}

/* resting cards sit back a touch; hover restores full grade — like soloing a clip */
.card-media img {
  opacity: 0.87;
  filter: saturate(0.84);
  transition:
    opacity 0.22s cubic-bezier(0.22, 1, 0.36, 1),
    filter 0.22s cubic-bezier(0.22, 1, 0.36, 1),
    transform var(--dur-med) var(--ease-cut);
}
.card:hover .card-media img,
.card:focus-visible .card-media img {
  opacity: 1;
  filter: saturate(1);
}
.card:hover .card-media,
.card:focus-visible .card-media {
  border-color: transparent;
}

/* preview video is hidden until video-cards.js flags the wrapper active */
.card-media video { opacity: 0; }
.card-media.is-playing video { opacity: 1; }
.card-media.is-playing img { opacity: 0; }

/* scanline overlay, hover/in-view-active only — coarse 4px pitch and low contrast:
   finer pitches alias into uneven dark bands on fractional-DPI displays */
.card-media::after {
  content: '';
  position: absolute;
  inset: 0;
  z-index: 3;
  pointer-events: none;
  background-image: repeating-linear-gradient(0deg, transparent 0 3px, rgba(0, 0, 0, 0.16) 3px 4px);
  background-size: 100% 4px;
  opacity: 0;
  transition: opacity var(--dur-fast) var(--ease-cut);
}

.card:hover .card-media img,
.card:hover .card-media video,
.card:focus-visible .card-media img,
.card:focus-visible .card-media video {
  transform: scale(1.03);
}
.card:hover .card-media::after,
.card:focus-visible .card-media::after {
  opacity: 0.7;
}

@media (prefers-reduced-motion: reduce) {
  .card::before,
  .card::after {
    animation: none;
  }
}

.card-caption {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.85rem 0.1rem 0.9rem;
  border-bottom: 1px solid var(--line);
}

.card-title {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--ash);
  transition: color var(--dur-fast) var(--ease-cut);
}

.card-title::before {
  content: '';
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--signal);
  opacity: 0;
  transform: scale(0.4);
  transition: opacity var(--dur-fast) var(--ease-cut), transform var(--dur-fast) var(--ease-cut);
}

.card:hover .card-title,
.card:focus-visible .card-title {
  color: var(--bone);
}
.card:hover .card-title::before,
.card:focus-visible .card-title::before {
  opacity: 1;
  transform: scale(1);
}

.card-roles { color: var(--ash); white-space: nowrap; flex-shrink: 0; }

/* ---------- grids ---------- */

.card-grid {
  display: grid;
  gap: clamp(1rem, 2vw, 1.75rem);
  margin-top: 2.5rem;
}

.card-grid-3 { grid-template-columns: repeat(3, 1fr); }

.card-grid-featured { grid-template-columns: repeat(2, 1fr); }

.card-grid-portrait {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  max-width: 640px;
  margin-left: auto;
  margin-right: auto;
}

@media (max-width: 1024px) {
  .card-grid-3 { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 820px) {
  .card-grid-featured { grid-template-columns: 1fr; }
}

@media (max-width: 640px) {
  .card-grid-3 { grid-template-columns: 1fr; }
  .card-grid-portrait {
    grid-template-columns: 1fr;
    max-width: 420px;
  }
}

/* =====================================================================
   LIGHTBOX (DESIGN.md §6)
   ===================================================================== */

#lightbox {
  position: fixed;
  inset: 0;
  z-index: 9800;
  display: none;
  align-items: center;
  justify-content: center;
  padding: var(--gutter);
}

#lightbox:not([hidden]) { display: flex; }

.lightbox-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(10, 9, 11, 0.92);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
}

.lightbox-shell {
  position: relative;
  z-index: 1;
  width: min(1200px, 92vw);
  max-height: 90vh;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.lightbox-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.75rem 0;
}

#lightbox-close {
  transition: color var(--dur-fast) var(--ease-cut);
}
#lightbox-close:hover,
#lightbox-close:focus-visible {
  color: var(--signal);
}

.lightbox-frame {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
  background: var(--carbon);
  border: 1px solid var(--line);
  border-radius: 8px;
  overflow: hidden;
}

/* portrait (9:16 vertical) media loaded via data-video */
.lightbox-shell.is-portrait .lightbox-frame {
  aspect-ratio: 9 / 16;
  width: auto;
  height: 78vh;
  max-height: 78vh;
  max-width: 100%;
  margin: 0 auto;
}

.lightbox-frame iframe,
.lightbox-frame video {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border: none;
}

.lightbox-frame video { object-fit: contain; background: var(--carbon); }