/* Albumo — dark-theme stylesheet */

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

/* ── design tokens ── */

:root {
  /* colour */
  --bg:          #0d0d0d;
  --bg-raised:   #141414;
  --surface:     #1c1c1c;
  --surface-hi:  #242424;
  --border:      #2a2a2a;
  --border-hi:   #3a3a3a;
  --text:        #e4e4e4;
  --text-muted:  #767676;
  --text-faint:  #424242;
  --accent:      #c9a96e;
  --accent-hi:   #d9bc8a;
  --red:         #d95f5f;

  /* radii */
  --r-sm: 3px;
  --r:    5px;
  --r-lg: 8px;

  /* spacing (4px base) */
  --sp-1:  4px;
  --sp-2:  8px;
  --sp-3: 12px;
  --sp-4: 16px;
  --sp-5: 24px;
  --sp-6: 32px;
  --sp-7: 48px;
  --sp-8: 64px;

  /* shadows */
  --shadow: 0 4px 16px rgba(0,0,0,0.55);
}

/* ── base ── */

html {
  background: var(--bg);
  color: var(--text);
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  font-size: 15px;
  line-height: 1.5;
}
body { min-height: 100vh; }
a { color: inherit; text-decoration: none; }

/* ── header ── */

header {
  display: flex;
  align-items: center;
  height: 48px;
  padding: 0 var(--sp-5);
  gap: var(--sp-4);
  background: var(--bg-raised);
  border-bottom: 1px solid var(--border);
}
header h1 {
  font-size: 1rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-muted);
}
header h1 a:hover { color: var(--text); }

.site-nav {
  display: flex;
  gap: var(--sp-4);
  align-items: center;
  margin-left: var(--sp-3);
}
.site-nav a { font-size: 0.875rem; color: var(--text-muted); padding-bottom: 1px; }
.site-nav a:hover { color: var(--text); }
.site-nav .nav-active { color: var(--text); border-bottom: 1.5px solid var(--accent); }

/* ── browse layout ── */

.layout {
  display: flex;
  min-height: calc(100vh - 48px);
}

#browse-sidebar {
  width: 180px;
  flex-shrink: 0;
  padding: var(--sp-4) var(--sp-3);
  border-right: 1px solid var(--border);
  background: var(--bg-raised);
  overflow-y: auto;
}

.facet-group { margin-bottom: var(--sp-5); }
.facet-group h3 {
  font-size: 0.68rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-faint);
  margin-bottom: var(--sp-2);
  font-weight: 500;
}
.facet {
  display: block;
  padding: 3px var(--sp-2);
  color: var(--text-muted);
  border-radius: var(--r-sm);
  font-size: 0.845rem;
  line-height: 1.8;
}
.facet:hover { color: var(--text); background: var(--surface); }
.facet.active { color: var(--text); background: var(--surface); }
.facet-count {
  float: right;
  font-size: 0.75rem;
  color: var(--text-faint);
  margin-left: var(--sp-2);
}

/* ── browse results ── */

main { flex: 1; padding: var(--sp-4) var(--sp-5); min-width: 0; }

.results-header {
  display: flex;
  align-items: center;
  gap: var(--sp-4);
  margin-bottom: var(--sp-4);
}
.results-header .count { font-size: 0.8rem; color: var(--text-faint); }
.results-header .pages { font-size: 0.78rem; color: var(--text-faint); }

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: var(--sp-3);
}

.card {
  display: block;
  position: relative;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r);
  overflow: hidden;
  color: inherit;
  transition: border-color 0.15s, box-shadow 0.15s;
}
.card:hover {
  border-color: var(--border-hi);
  box-shadow: var(--shadow);
}

.card img {
  width: 100%;
  aspect-ratio: 3/2;
  object-fit: contain;
  background: #080808;
  display: block;
}

.card-meta { padding: var(--sp-2) var(--sp-3) var(--sp-3); }
.card-name {
  font-size: 0.925rem;
  color: var(--text);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  font-family: Georgia, serif;
}
.card-sci {
  font-style: italic;
  color: var(--text-muted);
  font-size: 0.8rem;
  margin-top: 2px;
}
.card-footer {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  margin-top: var(--sp-2);
}
.card-date  { font-size: 0.75rem; color: var(--text-faint); }
.card-footer-right { display: flex; align-items: center; gap: var(--sp-2); }
.card-stars { font-size: 0.9rem; line-height: 1; color: var(--accent); letter-spacing: -0.02em; }
.card-pin   { font-size: 1rem; line-height: 1; opacity: 0.4; cursor: pointer; }
.card-pin:hover { opacity: 1; }

.pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--sp-4);
  padding: var(--sp-6) 0 var(--sp-4);
  font-size: 0.875rem;
  color: var(--text-muted);
}
.pagination a {
  color: var(--text-muted);
  padding: var(--sp-1) var(--sp-3);
  border: 1px solid var(--border);
  border-radius: var(--r-sm);
}
.pagination a:hover { color: var(--text); border-color: var(--border-hi); }
/* Extra bottom clearance so the heart-bar doesn't overlap the bottom pagination */
.pagination-bottom { padding-bottom: 5rem; }

.pagination .pag-active {
  padding: var(--sp-1) var(--sp-3);
  border: 1px solid var(--accent);
  border-radius: var(--r-sm);
  color: var(--accent);
  font-weight: 600;
}

.empty { text-align: center; color: var(--text-faint); padding: var(--sp-8) 0; font-size: 1rem; }

.htmx-request .grid { opacity: 0.5; transition: opacity 0.1s; }

/* ── species typeahead ── */

.species-search { position: relative; margin-bottom: var(--sp-3); }
.species-search input {
  width: 100%;
  background: var(--bg);
  border: 1px solid var(--border);
  color: var(--text);
  padding: var(--sp-1) var(--sp-2);
  font-size: 0.845rem;
  border-radius: var(--r);
  font-family: inherit;
}
.species-search input:focus { outline: none; border-color: var(--border-hi); }

#species-suggest:not(:empty) {
  position: absolute;
  left: 0; right: 0;
  background: var(--surface);
  border: 1px solid var(--border);
  border-top: none;
  border-radius: 0 0 var(--r) var(--r);
  z-index: 100;
  max-height: 60vh;
  overflow-y: auto;
}
.suggest-item {
  display: block;
  padding: var(--sp-2) var(--sp-3);
  color: var(--text-muted);
  font-size: 0.845rem;
  border-bottom: 1px solid var(--border);
  line-height: 1.45;
}
.suggest-item:last-child { border-bottom: none; }
.suggest-item:hover { background: var(--surface-hi); color: var(--text); }
.suggest-vern { display: block; }
.suggest-sci { color: var(--text-faint); font-size: 0.875em; }

.species-active {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r);
  padding: var(--sp-1) var(--sp-2);
  margin-bottom: var(--sp-3);
  font-size: 0.845rem;
  color: var(--text);
}
.species-active-name { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.species-active-clear { color: var(--text-faint); flex-shrink: 0; padding-left: var(--sp-2); }
.species-active-clear:hover { color: var(--text-muted); }

/* ── geo facets ── */

.geo-active {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r);
  padding: var(--sp-1) var(--sp-2);
  margin-bottom: var(--sp-2);
  font-size: 0.845rem;
  color: var(--text);
}
.geo-active-label { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.geo-active-clear { color: var(--text-faint); flex-shrink: 0; padding-left: var(--sp-2); }
.geo-active-clear:hover { color: var(--text-muted); }

/* ── taxonomy tree ── */

#tax-sidebar {
  width: 220px;
  flex-shrink: 0;
  padding: var(--sp-4) var(--sp-3);
  border-right: 1px solid var(--border);
  background: var(--bg-raised);
  overflow-y: auto;
}

.facet-group-label {
  font-size: 0.68rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-faint);
  margin-bottom: var(--sp-3);
  font-weight: 500;
}

.tax-intro { color: var(--text-muted); font-size: 0.9rem; margin-bottom: var(--sp-4); }

/* ── taxonomy sidebar ── */

.tax-sidebar-rank {
  font-size: 0.65rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--text-faint);
  font-weight: 500;
  margin-bottom: var(--sp-3);
  padding-left: var(--sp-2);
}

.child-link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--sp-2) var(--sp-2);
  border-radius: var(--r-sm);
  border-left: 2px solid transparent;
  margin-bottom: 1px;
  gap: var(--sp-2);
  transition: border-color 0.15s, background 0.15s;
}
.child-link:hover {
  background: var(--surface);
  border-left-color: var(--accent);
}
.child-body { flex: 1; min-width: 0; }
.child-name {
  display: block;
  font-size: 0.875rem;
  color: var(--text-muted);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.child-link:hover .child-name { color: var(--text); }
.child-sci {
  display: block;
  font-size: 0.75rem;
  color: var(--text-faint);
  font-style: italic;
  margin-top: 1px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.child-count {
  font-size: 0.72rem;
  color: var(--text-faint);
  white-space: nowrap;
  flex-shrink: 0;
}

/* ── taxonomy heading ── */

.tax-heading {
  margin-bottom: var(--sp-5);
  padding-bottom: var(--sp-4);
  border-bottom: 1px solid var(--border);
}
.tax-heading--root .tax-heading-name { font-style: normal; }

.tax-heading-rank {
  display: inline-block;
  font-size: 0.65rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--accent);
  font-weight: 500;
  margin-bottom: var(--sp-2);
}
.tax-heading-name {
  font-family: 'Cormorant Garant', Georgia, serif;
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  font-weight: 400;
  font-style: italic;
  line-height: 1.1;
  color: var(--text);
  letter-spacing: 0.01em;
}
.tax-heading-name--sci { font-style: italic; }
.tax-heading-sci {
  font-size: 0.9rem;
  font-style: italic;
  color: var(--text-muted);
  margin-top: var(--sp-1);
}

/* ── breadcrumb (refined) ── */

.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--sp-1);
  font-size: 0.82rem;
  color: var(--text-faint);
  margin-bottom: var(--sp-4);
}
.breadcrumb a { color: var(--text-muted); }
.breadcrumb a:hover { color: var(--text); }
.bc-sep { color: var(--border-hi); margin: 0 2px; }
.bc-current { color: var(--text); font-weight: 500; }
.bc-sci { color: var(--text-faint); font-size: 0.9em; }

/* ── photos-in-group header ── */

.tax-photos-header {
  display: flex;
  align-items: baseline;
  gap: var(--sp-3);
  margin-bottom: var(--sp-3);
}
.tax-photos-label {
  font-size: 0.68rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-faint);
  font-weight: 500;
}
.tax-photos-count { font-size: 0.8rem; color: var(--text-muted); }
.tax-photos-page  { font-size: 0.75rem; color: var(--text-faint); }

/* ── photo detail ── */

.photo-detail {
  display: grid;
  grid-template-columns: 1fr;
  grid-template-rows: auto 1fr auto;
  min-height: calc(100vh - 48px);
}

.photo-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--sp-2) var(--sp-4);
  background: var(--bg-raised);
  border-bottom: 1px solid var(--border);
}

.nav-arrow { font-size: 1.25rem; padding: var(--sp-1) var(--sp-3); color: var(--text-muted); }
.nav-arrow:hover { color: var(--text); }
.back-link { color: var(--text-muted); font-size: 0.875rem; }
.back-link:hover { color: var(--text); }

.photo-image {
  display: flex;
  align-items: center;
  justify-content: center;
  background: #000;
  padding: var(--sp-3);
}
.photo-image img {
  max-width: 100%;
  max-height: calc(100vh - 48px - 44px - 180px);
  object-fit: contain;
}

.photo-info {
  padding: var(--sp-4) var(--sp-5) var(--sp-6);
  background: var(--bg-raised);
  border-top: 1px solid var(--border);
}

.species-entry { margin-bottom: var(--sp-2); }
.species-entry .vern-name {
  display: block;
  font-size: 1.15rem;
  line-height: 1.3;
}
.species-entry .sci-name {
  display: block;
  font-size: 0.9rem;
  font-family: Georgia, serif;
  font-style: italic;
  color: var(--text-muted);
  margin-top: 3px;
}
.species-entry .sci-name--primary {
  font-size: 1.15rem;
  color: inherit;
  margin-top: 0;
}

.photo-meta {
  margin-top: var(--sp-3);
  display: flex;
  gap: var(--sp-4);
  align-items: center;
  flex-wrap: wrap;
}
.date   { color: var(--text-muted); font-size: 0.845rem; }
.stars  { color: var(--accent); }

.geo {
  margin-top: var(--sp-2);
  color: var(--text-muted);
  font-size: 0.845rem;
  line-height: 1.6;
}
.natural-area { color: var(--text-faint); }
.geo-map-link { margin-left: var(--sp-2); opacity: 0.6; }
.geo-map-link:hover { opacity: 1; }

/* wide screen: image left, nav+info right */
@media (min-width: 900px) {
  .photo-detail {
    grid-template-columns: 1fr 320px;
    grid-template-rows: auto 1fr;
  }
  .photo-image {
    grid-column: 1;
    grid-row: 1 / 3;
    padding: var(--sp-4);
  }
  .photo-image img { max-height: calc(100vh - 48px - var(--sp-6)); }
  .photo-nav {
    grid-column: 2;
    grid-row: 1;
    border-top: none;
    border-left: 1px solid var(--border);
  }
  .photo-info {
    grid-column: 2;
    grid-row: 2;
    border-top: none;
    border-left: 1px solid var(--border);
    overflow-y: auto;
    max-height: calc(100vh - 48px - 44px);
    padding: var(--sp-4);
  }
}

/* ── heart / album selection ── */

.heart-btn {
  display: inline-block;
  cursor: pointer;
  font-size: 1.3em;
  line-height: 1;
  opacity: 0.3;
  user-select: none;
  transition: opacity 0.12s, color 0.12s;
  padding: var(--sp-1) var(--sp-2);
  margin: calc(-1 * var(--sp-1)) calc(-1 * var(--sp-2));
}
.heart-btn:hover { opacity: 0.75; }
.heart-btn.heart-on { opacity: 1; color: var(--red); }

.heart-btn-detail {
  cursor: pointer;
  font-size: 1.4rem;
  user-select: none;
  opacity: 0.4;
  transition: opacity 0.12s, color 0.12s;
  line-height: 1;
}
.heart-btn-detail:hover { opacity: 0.85; }
.heart-btn-detail.heart-on { opacity: 1; color: var(--red); }

.heart-bar {
  position: fixed;
  bottom: var(--sp-5);
  left: 50%;
  transform: translateX(-50%);
  background: var(--surface);
  border: 1px solid var(--border-hi);
  border-radius: var(--r-lg);
  padding: var(--sp-3) var(--sp-4);
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  font-size: 0.875rem;
  color: var(--text);
  box-shadow: var(--shadow);
  z-index: 2000;
  white-space: nowrap;
}
.heart-bar.hidden { display: none; }

/* ── buttons ── */

.heart-save-btn {
  background: var(--accent);
  color: #0d0d0d;
  border: none;
  border-radius: var(--r);
  padding: var(--sp-1) var(--sp-4);
  cursor: pointer;
  font-size: 0.875rem;
  font-family: inherit;
  font-weight: 500;
  white-space: nowrap;
}
.heart-save-btn:hover { background: var(--accent-hi); }
.heart-save-btn:disabled { opacity: 0.55; cursor: default; }

.heart-clear-btn {
  background: none;
  border: none;
  color: var(--text-faint);
  cursor: pointer;
  font-size: 1rem;
  padding: 0 var(--sp-1);
  font-family: inherit;
}
.heart-clear-btn:hover { color: var(--text-muted); }

/* ── album grid extras ── */

.card[draggable="true"] { cursor: grab; }
.card.drag-over { outline: 2px solid var(--accent); }

/* Image wrapper for cover overlay positioning */
.card-img-wrap {
  position: relative;
  overflow: hidden;
}

/* "Set as cover" bar — slides in on image hover */
.cover-btn {
  position: absolute;
  bottom: 0; left: 0; right: 0;
  z-index: 2;
  cursor: pointer;
  padding: 2.4rem 0.8rem 0.6rem;
  background: linear-gradient(transparent, rgba(0,0,0,0.74));
  opacity: 0;
  transition: opacity 0.2s;
  user-select: none;
  border: none;
}
.card-img-wrap:hover .cover-btn { opacity: 1; }
.cover-btn.cover-on { opacity: 0 !important; }

.cover-cta {
  display: block;
  font-size: 0.62rem;
  letter-spacing: 0.13em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.85);
}

/* "COVER" badge — top-right corner when active */
.cover-badge {
  position: absolute;
  top: 7px; right: 7px;
  z-index: 3;
  padding: 2px 8px 3px;
  background: #c8962a;
  color: #fff;
  font-size: 0.58rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  font-weight: 700;
  border-radius: 2px;
  opacity: 0;
  transform: translateY(-4px);
  transition: opacity 0.18s, transform 0.18s;
  pointer-events: none;
}
.cover-badge.cover-on {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
  cursor: pointer;
}
.cover-badge.cover-on:hover { opacity: 0.7; }

/* Cover status hint in the album toolbar */
.cover-hint {
  font-size: 0.72rem;
  white-space: nowrap;
}
.cover-hint-none {
  color: var(--text-faint);
}
.cover-hint-none::before {
  content: '—';
  margin-right: 4px;
  opacity: 0.4;
}
.cover-hint-set {
  color: #c8962a;
  font-weight: 500;
}

/* ── album page ── */

.album-toolbar {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  flex-wrap: wrap;
  margin-bottom: var(--sp-4);
}

.album-title-input {
  font-size: 1.05rem;
  background: transparent;
  border: none;
  border-bottom: 1px solid var(--border);
  color: var(--text);
  padding: var(--sp-1) 0;
  min-width: 12em;
  outline: none;
  font-family: Georgia, serif;
}
.album-title-input:focus { border-color: var(--border-hi); }

.album-count { color: var(--text-muted); font-size: 0.845rem; }
.album-status { font-size: 0.78rem; color: var(--text-faint); }

.album-actions {
  margin-left: auto;
  display: flex;
  gap: var(--sp-2);
  align-items: center;
  flex-wrap: wrap;
}

.album-empty {
  padding: var(--sp-7) 0;
  text-align: center;
  color: var(--text-muted);
}
.album-empty p + p { margin-top: var(--sp-4); }

/* ── wallpaper download ── */

.wallpaper-section {
  display: flex;
  align-items: center;
  gap: var(--sp-2);
  flex-wrap: wrap;
  margin-top: var(--sp-4);
  padding-top: var(--sp-3);
  border-top: 1px solid var(--border);
}

.wallpaper-label {
  font-size: 0.72rem;
  color: var(--text-faint);
  text-transform: uppercase;
  letter-spacing: 0.09em;
  flex-shrink: 0;
}

.wp-dim {
  width: 72px;
  background: var(--surface);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: var(--r);
  padding: 3px var(--sp-2);
  font-size: 0.845rem;
  font-family: inherit;
  text-align: right;
}
.wp-dim:focus { outline: none; border-color: var(--border-hi); }

.wp-x { color: var(--text-faint); font-size: 0.845rem; }

.wp-btn {
  background: var(--accent);
  color: #0d0d0d;
  border: none;
  border-radius: var(--r);
  padding: 3px var(--sp-3);
  font-size: 0.845rem;
  font-weight: 500;
  cursor: pointer;
  font-family: inherit;
  white-space: nowrap;
}
.wp-btn:hover { background: var(--accent-hi); }

/* ── home page ── */

.home-hero {
  position: relative;
  /* Fixed height so zoom level stays consistent across aspect ratios:
     wider screens reveal more image sides rather than zooming in further.
     Falls back to 85svh on short screens so it never overflows the viewport. */
  /* min-height: min(85svh, 900px); */
/* max-height: min(100svh, 900px); */
  min-height: min(100svh, 2000px);
  display: flex;
  flex-direction: column;
  background-color: #060a06;
  background-image: var(--hero-img, none);
  background-size: cover;
  background-position: center;
  overflow: hidden;
}
.home-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to bottom,
    rgba(4,6,4,0.6)  0%,
    rgba(4,6,4,0.08) 38%,
    rgba(4,6,4,0.15) 58%,
    rgba(4,6,4,0.9)  100%
  );
  z-index: 1;
}

.home-topnav {
  position: relative;
  z-index: 2;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--sp-4) var(--sp-6);
}
.home-topnav-logo {
  font-family: 'Cormorant Garant', Georgia, serif;
  font-size: 1.1rem;
  font-weight: 300;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.88);
}
.home-topnav-links {
  display: flex;
  gap: var(--sp-5);
}
.home-topnav-links a {
  font-size: 0.82rem;
  letter-spacing: 0.06em;
  color: rgba(255,255,255,0.6);
}
.home-topnav-links a:hover { color: rgba(255,255,255,0.95); }

.hero-body {
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: var(--sp-8) var(--sp-6) var(--sp-7);
  position: relative;
  z-index: 2;
  max-width: 820px;
}
.hero-byline {
  font-size: 0.75rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: var(--sp-3);
  font-style: italic;
}
.hero-title {
  font-family: 'Cormorant Garant', Georgia, serif;
  font-size: clamp(3.2rem, 9vw, 7rem);
  font-weight: 300;
  line-height: 1.0;
  letter-spacing: -0.01em;
  color: #fff;
  margin-bottom: var(--sp-4);
}
.hero-meta {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  font-size: 0.82rem;
  color: rgba(255,255,255,0.45);
  letter-spacing: 0.05em;
  margin-bottom: var(--sp-5);
}
.hero-sep { opacity: 0.35; }
.hero-ctas {
  display: flex;
  gap: var(--sp-4);
  align-items: center;
}
.hero-cta-primary {
  background: var(--accent);
  color: #080808;
  padding: var(--sp-2) var(--sp-5);
  border-radius: var(--r);
  font-size: 0.875rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  transition: background 0.15s;
}
.hero-cta-primary:hover { background: var(--accent-hi); }
.hero-cta-ghost {
  font-size: 0.875rem;
  letter-spacing: 0.04em;
  color: rgba(255,255,255,0.65);
  border-bottom: 1px solid rgba(255,255,255,0.2);
  padding-bottom: 1px;
}
.hero-cta-ghost:hover { color: #fff; border-color: rgba(255,255,255,0.55); }

.hero-scroll-hint {
  position: absolute;
  bottom: var(--sp-4);
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
  color: rgba(255,255,255,0.25);
  font-size: 1.1rem;
  animation: heroScroll 2.8s ease-in-out infinite;
}
@keyframes heroScroll {
  0%, 100% { transform: translateX(-50%) translateY(0); opacity: 0.4; }
  50%       { transform: translateX(-50%) translateY(7px); opacity: 0.15; }
}

/* ── featured photo grid ── */

.home-grid-section { background: var(--bg); }
.home-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  grid-auto-rows: clamp(180px, max(25vw, 30vh), 600px);
  gap: 2px;
}
.hg-card {
  position: relative;
  display: block;
  overflow: hidden;
  background: var(--surface);
}
.hg-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.5s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}
.hg-card:hover img { transform: scale(1.06); }
.hg-card.hg-wide { grid-column: span 2; }
.hg-label {
  position: absolute;
  bottom: 0; left: 0; right: 0;
  padding: var(--sp-6) var(--sp-3) var(--sp-3);
  background: linear-gradient(transparent, rgba(0,0,0,0.78));
  transform: translateY(100%);
  transition: transform 0.3s ease;
}
.hg-card:hover .hg-label { transform: translateY(0); }
.hg-sci  { display: block; font-family: Georgia, serif; font-style: italic; font-size: 0.9rem; color: #fff; }
.hg-vern { display: block; font-size: 0.75rem; color: rgba(255,255,255,0.6); margin-top: 3px; }

/* ── navigation portals ── */

.home-portals {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  background: var(--bg-raised);
  border-top: 1px solid var(--border);
}
.portal {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: var(--sp-7) var(--sp-5);
  text-align: center;
  border-right: 1px solid var(--border);
  transition: background 0.15s;
}
.portal:last-child { border-right: none; }
.portal:hover { background: var(--surface); }
.portal-glyph {
  font-size: 1.6rem;
  color: var(--accent);
  margin-bottom: var(--sp-3);
  line-height: 1;
  opacity: 0.85;
}
.portal-name {
  font-family: 'Cormorant Garant', Georgia, serif;
  font-size: 1.2rem;
  font-weight: 400;
  color: var(--text);
  margin-bottom: var(--sp-1);
  letter-spacing: 0.02em;
}
.portal-desc { font-size: 0.775rem; color: var(--text-muted); letter-spacing: 0.03em; }

/* ── mobile ── */

@media (max-width: 640px) {
  #browse-sidebar, #tax-sidebar { display: none; }
  .layout { display: block; }
  main { padding: var(--sp-3); }
  .grid { grid-template-columns: repeat(auto-fill, minmax(160px, 1fr)); gap: var(--sp-2); }
  .card-name { font-size: 0.845rem; }
  header { padding: 0 var(--sp-4); }
  .site-nav { gap: var(--sp-3); margin-left: var(--sp-2); }
  .site-nav a { font-size: 0.815rem; }

  /* home page */
  .home-topnav { padding: var(--sp-3) var(--sp-4); }
  .home-topnav-links { display: none; }
  .hero-body { padding: var(--sp-5) var(--sp-4) var(--sp-6); }
  .hero-title { font-size: clamp(2.6rem, 11vw, 4rem); }
  .home-grid { grid-template-columns: repeat(2, 1fr); grid-auto-rows: clamp(130px, max(44vw, 28vh), 380px); }
  .hg-card.hg-wide { grid-column: span 2; }
  .home-portals { grid-template-columns: repeat(2, 1fr); }
  .portal { padding: var(--sp-5) var(--sp-3); }
  .portal:nth-child(2n) { border-right: none; }
  .portal:nth-child(1), .portal:nth-child(2) { border-bottom: 1px solid var(--border); }
}