/* Catalog — Mosaic Index (sticky dock + staggered masonry wall) */

.page-catalog-mosaic .page-main {
  padding-top: 0;
  background: #ece8e0;
}

/* ── Ribbon ── */
.a55-mosaic-ribbon {
  padding: clamp(18px, 3vw, 28px) 0;
  background: linear-gradient(128deg, #0f172a 0%, #1e3a5f 50%, #1f6b4a 100%);
  color: #eef4f8;
  position: relative;
  overflow: clip;
}

.a55-mosaic-ribbon::after {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 90% 20%, rgba(147, 197, 253, 0.2), transparent 45%);
  pointer-events: none;
}

.a55-mosaic-ribbon-inner {
  position: relative;
  z-index: 1;
}

.a55-mosaic-crumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin: 0 0 14px;
  font-size: 0.68rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(248, 250, 252, 0.88);
}

.a55-mosaic-crumb a {
  color: rgba(238, 244, 248, 0.88);
  text-decoration: none;
}

.a55-mosaic-crumb a:hover { color: #fff; }

.a55-mosaic-crumb [aria-current="page"] { color: #fff; }

.a55-mosaic-ribbon-grid {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  justify-content: space-between;
  gap: 20px;
}

.a55-mosaic-kicker {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 6px;
  font-size: 0.68rem;
  font-weight: 800;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: rgba(238, 244, 248, 0.72);
}

.a55-mosaic-kicker span {
  display: inline-grid;
  place-items: center;
  width: 26px;
  height: 26px;
  border-radius: 7px;
  background: rgba(31, 107, 74, 0.9);
  color: #fff;
  font-size: 0.6rem;
}

.a55-mosaic-ribbon h1 {
  margin: 0 0 8px;
  font-family: var(--serif);
  font-size: clamp(1.75rem, 4vw, 2.6rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  color: #fff;
}

.a55-mosaic-dek {
  margin: 0;
  max-width: 52ch;
  font-size: 0.96rem;
  line-height: 1.6;
  color: rgba(238, 244, 248, 0.68);
}

.a55-mosaic-stats {
  display: flex;
  flex-wrap: wrap;
  gap: 16px 24px;
  margin: 0;
}

.a55-mosaic-stats div {
  text-align: center;
}

.a55-mosaic-stats dt {
  font-size: 0.62rem;
  font-weight: 800;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: rgba(248, 250, 252, 0.85);
}

.a55-mosaic-stats dd {
  margin: 2px 0 0;
  font-family: var(--serif);
  font-size: 1.5rem;
  font-weight: 800;
  color: #fff;
}

/* ── Sticky dock ── */
.a55-mosaic-dock-wrap {
  position: sticky;
  top: var(--header-h, 64px);
  z-index: 40;
  padding: 10px 0;
  background: rgba(236, 232, 224, 0.82);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(15, 23, 42, 0.08);
  box-shadow: 0 8px 32px rgba(15, 23, 42, 0.06);
}

.a55-mosaic-dock-inner {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.a55-mosaic-lanes {
  display: flex;
  flex-wrap: nowrap;
  gap: 8px;
  overflow-x: auto;
  overscroll-behavior-x: contain;
  padding-bottom: 4px;
  scrollbar-width: thin;
}

.a55-mosaic-lane {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 9px 14px;
  border: 1px solid rgba(15, 23, 42, 0.1);
  border-radius: var(--radius-full);
  background: rgba(255, 255, 255, 0.7);
  font: inherit;
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.03em;
  color: var(--ink);
  cursor: pointer;
  white-space: nowrap;
  transition: background 0.25s ease, border-color 0.25s ease, color 0.25s ease, transform 0.2s ease, box-shadow 0.25s ease;
}

.a55-mosaic-lane span {
  padding: 2px 7px;
  border-radius: var(--radius-full);
  font-size: 0.65rem;
  background: rgba(15, 23, 42, 0.06);
  color: var(--muted);
}

.a55-mosaic-lane:hover {
  border-color: rgba(10, 61, 98, 0.2);
  transform: translateY(-1px);
}

.a55-mosaic-lane.is-active {
  color: #fff;
  background: var(--lane-hue, var(--blueprint));
  border-color: transparent;
  box-shadow: 0 4px 16px color-mix(in srgb, var(--lane-hue, var(--blueprint)) 40%, transparent);
}

.a55-mosaic-lane.is-active:first-child {
  background: var(--blueprint);
}

.a55-mosaic-lane.is-active span {
  background: rgba(255, 255, 255, 0.2);
  color: #fff;
}

.a55-mosaic-dock-tools {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 14px;
}

.a55-mosaic-search {
  display: flex;
  flex: 1;
  min-width: 180px;
  max-width: 320px;
  border-radius: var(--radius-full);
  overflow: hidden;
  background: rgba(255, 255, 255, 0.85);
  border: 1px solid rgba(15, 23, 42, 0.1);
  transition: box-shadow 0.25s ease, border-color 0.25s ease;
}

.a55-mosaic-search:focus-within {
  border-color: var(--blueprint);
  box-shadow: 0 0 0 3px rgba(10, 61, 98, 0.12);
}

.a55-mosaic-search input {
  flex: 1;
  min-width: 0;
  padding: 10px 14px;
  border: 0;
  background: transparent;
  font: inherit;
  font-size: 0.88rem;
  color: var(--ink);
}

.a55-mosaic-search input:focus {
  outline: none;
}

.a55-mosaic-search button {
  padding: 10px 16px;
  border: 0;
  background: var(--blueprint);
  color: #fff;
  font-size: 1rem;
  font-weight: 800;
  cursor: pointer;
  transition: background 0.2s ease;
}

.a55-mosaic-search button:hover {
  background: var(--blueprint-deep);
}

/* Glass sort dropdown */
.a55-mosaic-sort {
  position: relative;
}

.a55-mosaic-sort-toggle {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 16px;
  border: 1px solid rgba(15, 23, 42, 0.1);
  border-radius: var(--radius-full);
  background: rgba(255, 255, 255, 0.85);
  font: inherit;
  font-size: 0.82rem;
  font-weight: 800;
  color: var(--ink);
  cursor: pointer;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.a55-mosaic-sort-toggle span {
  color: var(--blueprint);
}

.a55-mosaic-sort-toggle[aria-expanded="true"] {
  border-color: var(--blueprint);
  box-shadow: 0 0 0 3px rgba(10, 61, 98, 0.1);
}

.a55-mosaic-sort-menu {
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  min-width: 180px;
  padding: 8px;
  border-radius: var(--radius-lg);
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(16px);
  border: 1px solid rgba(255, 255, 255, 0.6);
  box-shadow: 0 16px 48px rgba(15, 23, 42, 0.14);
  z-index: 50;
  animation: a55-mosaic-menu-in 0.28s cubic-bezier(0.22, 1, 0.36, 1);
}

@keyframes a55-mosaic-menu-in {
  from { opacity: 0; transform: translateY(-6px) scale(0.98); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}

.a55-mosaic-sort-menu button {
  display: block;
  width: 100%;
  padding: 10px 12px;
  border: 0;
  border-radius: var(--radius);
  background: transparent;
  text-align: left;
  font: inherit;
  font-size: 0.84rem;
  font-weight: 700;
  color: var(--graphite);
  cursor: pointer;
  transition: background 0.2s ease, color 0.2s ease;
}

.a55-mosaic-sort-menu button:hover {
  background: rgba(10, 61, 98, 0.06);
  color: var(--ink);
}

.a55-mosaic-sort-menu button.is-active {
  background: rgba(10, 61, 98, 0.1);
  color: var(--blueprint);
}

.a55-mosaic-folio-link {
  padding: 10px 16px;
  border-radius: var(--radius-full);
  font-size: 0.82rem;
  font-weight: 800;
  color: var(--blueprint);
  background: rgba(10, 61, 98, 0.08);
  text-decoration: none;
  transition: background 0.2s ease, color 0.2s ease;
}

.a55-mosaic-folio-link:hover {
  background: var(--blueprint);
  color: #fff;
}

/* ── Masonry wall ── */
.a55-mosaic-stage {
  padding: clamp(20px, 3vw, 32px) 0 clamp(56px, 8vw, 80px);
}

.a55-mosaic-count {
  margin: 0 0 16px;
  font-size: 0.82rem;
  color: var(--graphite);
}

.a55-mosaic-count strong {
  color: var(--blueprint);
  font-weight: 800;
}

.a55-mosaic-wall {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  grid-auto-rows: 88px;
  grid-auto-flow: dense;
  gap: clamp(10px, 1.5vw, 14px);
  transition: opacity 0.28s ease;
}

.a55-mosaic-wall.is-sorting {
  opacity: 0.72;
}

.a55-mosaic-tile {
  grid-column: span 3;
  grid-row: span 2;
  min-height: 0;
  opacity: 1;
  transform: scale(1);
  transition:
    opacity 0.35s ease,
    transform 0.35s cubic-bezier(0.22, 1, 0.36, 1),
    grid-row 0.35s ease,
    order 0.35s ease;
}

.a55-mosaic-tile.is-hidden {
  display: none;
}

.a55-mosaic-tile.tile-sm {
  grid-column: span 3;
  grid-row: span 2;
}

.a55-mosaic-tile.tile-md {
  grid-column: span 3;
  grid-row: span 3;
}

.a55-mosaic-tile.tile-lg {
  grid-column: span 4;
  grid-row: span 4;
}

.a55-mosaic-tile.tile-wide {
  grid-column: span 6;
  grid-row: span 2;
}

.a55-mosaic-tile.tile-tall {
  grid-column: span 3;
  grid-row: span 5;
}

.a55-mosaic-tile-link {
  display: flex;
  flex-direction: column;
  height: 100%;
  border-radius: var(--radius-xl);
  background: var(--paper);
  border: 1px solid rgba(15, 23, 42, 0.07);
  box-shadow: var(--shadow-xs);
  overflow: clip;
  text-decoration: none;
  transition: transform 0.3s cubic-bezier(0.22, 1, 0.36, 1), box-shadow 0.3s ease, border-color 0.3s ease;
}

.a55-mosaic-tile-link:hover {
  transform: translateY(-6px);
  box-shadow: 0 20px 48px rgba(15, 23, 42, 0.12);
  border-color: color-mix(in srgb, var(--tile-hue, var(--blueprint)) 35%, transparent);
}

.a55-mosaic-tile-visual {
  position: relative;
  flex: 1;
  min-height: 0;
  margin: 0;
  overflow: hidden;
  background: #f1f5f9;
}

.a55-mosaic-tile-visual img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.45s cubic-bezier(0.22, 1, 0.36, 1);
}

.a55-mosaic-tile-link:hover .a55-mosaic-tile-visual img {
  transform: scale(1.06);
}

.a55-mosaic-tile-badge {
  position: absolute;
  top: 10px;
  left: 10px;
  padding: 4px 9px;
  border-radius: var(--radius-full);
  font-size: 0.62rem;
  font-weight: 800;
  text-transform: uppercase;
  color: #fff;
  background: var(--signal);
}

.a55-mosaic-tile-glyph {
  position: absolute;
  bottom: 8px;
  right: 10px;
  font-size: 1.2rem;
  opacity: 0.35;
  color: var(--tile-hue, var(--blueprint));
}

.a55-mosaic-tile-copy {
  padding: 12px 14px 14px;
  border-top: 3px solid var(--tile-hue, var(--blueprint));
}

.a55-mosaic-tile-lane {
  display: block;
  margin-bottom: 4px;
  font-size: 0.62rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
}

.a55-mosaic-tile-copy h2 {
  margin: 0 0 6px;
  font-size: clamp(0.82rem, 1.8vw, 0.95rem);
  font-weight: 800;
  line-height: 1.3;
  color: var(--ink);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.a55-mosaic-tile-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 6px;
}

.a55-mosaic-tile-meta em {
  font-style: normal;
  font-weight: 800;
  color: var(--blueprint);
}

.a55-mosaic-tile-meta span {
  font-size: 0.68rem;
  font-weight: 700;
  color: var(--muted);
}

/* Reveal animation */
.a55-mosaic-reveal {
  opacity: 0;
  transform: translateY(20px) scale(0.97);
  transition: opacity 0.5s ease, transform 0.5s cubic-bezier(0.22, 1, 0.36, 1);
}

.a55-mosaic-reveal.is-revealed {
  opacity: 1;
  transform: translateY(0) scale(1);
}

.a55-mosaic-empty {
  margin: 32px 0;
  padding: 24px;
  text-align: center;
  border-radius: var(--radius-xl);
  background: var(--paper);
  color: var(--graphite);
}

.a55-mosaic-band {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: clamp(32px, 5vw, 48px);
  padding-top: 24px;
  border-top: 1px dashed rgba(15, 23, 42, 0.12);
}

.a55-mosaic-band a {
  padding: 10px 16px;
  border-radius: var(--radius-full);
  background: var(--paper);
  border: 1px solid rgba(15, 23, 42, 0.1);
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--blueprint);
  text-decoration: none;
  transition: background 0.2s ease, color 0.2s ease, transform 0.2s ease;
}

.a55-mosaic-band a:hover {
  background: var(--blueprint);
  color: #fff;
  transform: translateY(-2px);
}

/* ── Responsive ── */
@media (max-width: 1100px) {
  .a55-mosaic-wall {
    grid-template-columns: repeat(8, minmax(0, 1fr));
  }

  .a55-mosaic-tile,
  .a55-mosaic-tile.tile-sm,
  .a55-mosaic-tile.tile-md {
    grid-column: span 4;
  }

  .a55-mosaic-tile.tile-lg {
    grid-column: span 4;
    grid-row: span 3;
  }

  .a55-mosaic-tile.tile-wide {
    grid-column: span 8;
  }

  .a55-mosaic-tile.tile-tall {
    grid-column: span 4;
    grid-row: span 4;
  }
}

@media (max-width: 640px) {
  .a55-mosaic-wall {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    grid-auto-rows: 80px;
  }

  .a55-mosaic-tile,
  .a55-mosaic-tile.tile-sm,
  .a55-mosaic-tile.tile-md,
  .a55-mosaic-tile.tile-lg,
  .a55-mosaic-tile.tile-wide,
  .a55-mosaic-tile.tile-tall {
    grid-column: span 1;
    grid-row: span 2;
  }

  .a55-mosaic-tile.tile-wide {
    grid-column: span 2;
  }

  .a55-mosaic-dock-tools {
    flex-direction: column;
    align-items: stretch;
  }

  .a55-mosaic-search {
    max-width: none;
  }

  .a55-mosaic-sort {
    width: 100%;
  }

  .a55-mosaic-sort-toggle {
    width: 100%;
    justify-content: space-between;
  }

  .a55-mosaic-folio-link {
    text-align: center;
  }
}

@media (prefers-reduced-motion: reduce) {
  .a55-mosaic-sort-menu,
  .a55-mosaic-reveal,
  .a55-mosaic-tile,
  .a55-mosaic-wall {
    animation: none;
    transition: none;
    opacity: 1;
    transform: none;
  }
}