/* Strand — category navigation catalog
   Editorial UX (overlay grid, pill tabs) · Nordic palette · ember accent */

:root {
  --bg: var(--snow);
  --white: #fff;
  --ink: var(--ink);
  --muted: var(--slate);
  --accent: var(--mist);
  --accent-soft: var(--ember-soft);
  --border: var(--ice);
  --ease: var(--ease);
}

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

body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 0.9375rem;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.55;
}

.visually-hidden {
  position: absolute;
  width: 1px; height: 1px;
  margin: -1px; overflow: hidden;
  clip: rect(0, 0, 0, 0); border: 0;
}

.skip-link {
  position: absolute;
  top: -100%;
  left: 1rem;
  z-index: 200;
  padding: 0.5rem 1rem;
  background: var(--ink);
  color: var(--white);
  font-size: 0.8125rem;
  border-radius: var(--radius);
}
.skip-link:focus { top: 1rem; }

.site-header {
  background: var(--white);
  border-bottom: 1px solid var(--border);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: 1320px;
  margin: 0 auto;
  padding: 1rem clamp(1.25rem, 4vw, 2.5rem);
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  color: inherit;
  text-decoration: none;
}

.logo-mark {
  display: grid;
  place-items: center;
  width: 2.25rem;
  height: 2.25rem;
  font-family: var(--font-serif);
  font-size: 0.8125rem;
  border: 1px solid var(--ink);
  border-radius: var(--radius);
}

.logo-text {
  font-family: var(--font-serif);
  font-size: 1.2rem;
  font-weight: 400;
}

.logo-accent { color: var(--ember); }

.header-nav {
  display: flex;
  gap: 2rem;
}

.header-nav a {
  font-size: 0.8125rem;
  color: var(--muted);
  text-decoration: none;
  letter-spacing: 0.03em;
  transition: color var(--ease);
}

.header-nav a:hover,
.header-nav a[aria-current="page"] {
  color: var(--ink);
}

.catalog {
  max-width: 1320px;
  margin: 0 auto;
  padding-bottom: 4rem;
}

.catalog-hero {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  justify-content: space-between;
  gap: 2.5rem;
  padding: 3rem clamp(1.25rem, 4vw, 2.5rem) 2rem;
  border-bottom: 1px solid var(--border);
}

.hero-col { flex: 1; min-width: 16rem; }

.hero-eyebrow {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ember);
  opacity: 0.85;
  margin: 0 0 0.75rem;
}

.catalog-hero h1 {
  font-family: var(--font-serif);
  font-size: clamp(2.25rem, 5vw, 3.5rem);
  font-weight: 400;
  line-height: 1.1;
  letter-spacing: -0.02em;
  margin: 0;
}

.hero-lead {
  margin: 1rem 0 0;
  max-width: 36rem;
  color: var(--muted);
  font-size: 1.0625rem;
}

.hero-stats {
  display: flex;
  gap: 2.5rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.stat-num {
  display: block;
  font-family: var(--font-serif);
  font-size: 2.5rem;
  line-height: 1;
}

.stat-label {
  display: block;
  margin-top: 0.35rem;
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--mist);
}

.category-hint {
  margin: 0;
  padding: 0 clamp(1.25rem, 4vw, 2.5rem) 1rem;
  font-family: var(--font-serif);
  font-size: 1.0625rem;
  font-style: italic;
  color: var(--muted);
  line-height: 1.5;
  max-width: 42rem;
}

.category-bar-wrap {
  position: sticky;
  top: 0;
  z-index: 40;
  background: var(--bg);
  border-bottom: 1px solid var(--border);
  padding: 0.75rem 0;
}

.category-bar {
  display: flex;
  gap: 0.5rem;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  scrollbar-width: none;
  padding: 0 clamp(1.25rem, 4vw, 2.5rem);
}

.category-bar::-webkit-scrollbar { display: none; }

.cat-tab {
  flex: 0 0 auto;
  scroll-snap-align: start;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.55rem 1rem 0.55rem 1.15rem;
  font-family: var(--font-sans);
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--muted);
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 100px;
  cursor: pointer;
  transition: background var(--ease), color var(--ease), border-color var(--ease);
}

.cat-tab:hover {
  border-color: var(--ember);
  color: var(--ink);
}

.cat-tab.is-active {
  background: var(--ink);
  border-color: var(--ink);
  color: var(--white);
}

.cat-tab.is-active .count {
  background: var(--ember);
  color: var(--white);
}

.cat-tab .count {
  font-size: 0.6875rem;
  font-weight: 600;
  padding: 0.15rem 0.45rem;
  background: var(--accent-soft);
  color: var(--ember);
  border-radius: 100px;
  min-width: 1.5rem;
  text-align: center;
}

.toolbar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.75rem;
  padding: 1.25rem clamp(1.25rem, 4vw, 2.5rem);
}

.toolbar-search { flex: 1; min-width: 200px; }

.toolbar-search input {
  width: 100%;
  padding: 0.75rem 1rem;
  font-family: var(--font-sans);
  font-size: 0.9375rem;
  color: var(--ink);
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  outline: none;
  transition: border-color var(--ease), box-shadow var(--ease);
}

.toolbar-search input:focus {
  border-color: var(--slate);
  box-shadow: 0 0 0 3px var(--ember-soft);
}

.btn-filters {
  padding: 0.75rem 1.35rem;
  font-family: var(--font-sans);
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--ink);
  background: transparent;
  border: 1px solid var(--ink);
  border-radius: var(--radius);
  cursor: pointer;
  transition: background var(--ease), color var(--ease);
}

.btn-filters:hover {
  background: var(--ink);
  color: var(--white);
}

.toolbar-sort select {
  padding: 0.75rem 1rem;
  font-family: var(--font-sans);
  font-size: 0.8125rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--white);
  color: var(--ink);
}

.toolbar-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0 clamp(1.25rem, 4vw, 2.5rem) 1.25rem;
}

.results-line {
  margin: 0;
  font-size: 0.8125rem;
  color: var(--muted);
  font-style: italic;
  font-family: var(--font-serif);
}

.view-toggle {
  display: flex;
  border: 1px solid var(--ink);
  border-radius: var(--radius);
  overflow: hidden;
}

.view-btn {
  padding: 0.55rem 1.1rem;
  font-family: var(--font-sans);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--muted);
  background: var(--white);
  border: none;
  cursor: pointer;
  transition: background var(--ease), color var(--ease);
}

.view-btn + .view-btn { border-left: 1px solid var(--ink); }

.view-btn.is-active {
  background: var(--ink);
  color: var(--white);
}

.filter-panel {
  position: fixed;
  top: 0;
  right: 0;
  z-index: 100;
  width: min(400px, 100vw);
  height: 100vh;
  background: var(--white);
  display: flex;
  flex-direction: column;
  transform: translateX(100%);
  transition: transform var(--ease);
  box-shadow: -12px 0 40px rgba(30, 40, 48, 0.08);
}

.filter-panel.is-open { transform: translateX(0); }
.filter-panel[hidden] { display: none; }

.panel-head {
  position: relative;
  padding: 2rem 1.75rem 1.5rem;
  border-bottom: 1px solid var(--border);
}

.panel-eyebrow {
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ember);
  margin: 0 0 0.35rem;
}

.panel-head h2 {
  font-family: var(--font-serif);
  font-size: 1.75rem;
  font-weight: 400;
  margin: 0;
}

.panel-head button {
  position: absolute;
  top: 1.5rem;
  right: 1.5rem;
  font-size: 1.75rem;
  line-height: 1;
  background: none;
  border: none;
  cursor: pointer;
  color: var(--muted);
}

.panel-body {
  flex: 1;
  overflow-y: auto;
  padding: 1.75rem;
}

fieldset { border: none; margin: 0 0 2rem; padding: 0; }

legend {
  font-family: var(--font-serif);
  font-size: 1.125rem;
  font-weight: 400;
  margin-bottom: 1rem;
}

.radio-label {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  padding: 0.5rem 0;
  font-size: 0.9375rem;
  cursor: pointer;
  border-bottom: 1px solid var(--border);
}

.radio-label:last-child { border-bottom: none; }

.year-row {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.year-row select {
  flex: 1;
  padding: 0.65rem;
  font-family: inherit;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--bg);
}

.year-to-label {
  font-family: var(--font-serif);
  font-style: italic;
  color: var(--muted);
}

.panel-foot {
  display: flex;
  gap: 0.75rem;
  padding: 1.25rem 1.75rem;
  border-top: 1px solid var(--border);
}

.btn-apply {
  flex: 1;
  padding: 0.9rem;
  font-family: var(--font-sans);
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--white);
  background: var(--ink);
  border: none;
  border-radius: var(--radius);
  cursor: pointer;
}

.btn-apply:hover { box-shadow: inset 0 -2px 0 var(--ember); }

.btn-reset {
  padding: 0.9rem 1.25rem;
  font-family: inherit;
  font-size: 0.8125rem;
  background: none;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  cursor: pointer;
  color: var(--muted);
}

.panel-backdrop {
  position: fixed;
  inset: 0;
  z-index: 99;
  background: rgba(30, 40, 48, 0.35);
}

.panel-backdrop[hidden] { display: none; }

.project-grid {
  padding: 0 clamp(1.25rem, 4vw, 2.5rem);
}

.project-grid.is-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
}

.project-grid.is-list {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.project-card { color: inherit; text-decoration: none; }

.project-card--grid {
  display: block;
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--ink);
}

.project-card--grid figure {
  position: relative;
  margin: 0;
  aspect-ratio: 4 / 3;
  overflow: hidden;
}

.project-card--grid .badge {
  position: absolute;
  top: 0.65rem;
  left: 0.65rem;
  z-index: 1;
}

.project-card--grid img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.7s var(--ease);
}

.project-card--grid:hover img { transform: scale(1.05); }

.card-caption {
  position: absolute;
  inset: auto 0 0 0;
  padding: 2.5rem 1.15rem 1.15rem;
  background: linear-gradient(to top, rgba(30, 40, 48, 0.92) 0%, transparent 100%);
  color: var(--white);
}

.card-cat {
  font-size: 0.625rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.75);
}

.project-card--grid h3 {
  font-family: var(--font-serif);
  font-size: 1.35rem;
  font-weight: 400;
  margin: 0.35rem 0 0;
  line-height: 1.2;
}

.card-meta {
  font-size: 0.8125rem;
  margin: 0.3rem 0 0;
  color: rgba(255, 255, 255, 0.8);
}

.project-card--list {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 1.75rem;
  padding: 1.5rem;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: border-color var(--ease), box-shadow var(--ease);
}

.project-card--list:hover {
  border-color: rgba(233, 78, 27, 0.35);
  box-shadow: 0 8px 28px rgba(30, 40, 48, 0.06);
}

.project-card--list figure {
  margin: 0;
  aspect-ratio: 4 / 3;
  overflow: hidden;
  border-radius: var(--radius);
}

.project-card--list img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.list-head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem 1rem;
}

.project-card--list h3 {
  font-family: var(--font-serif);
  font-size: 1.75rem;
  font-weight: 400;
  margin: 0;
  width: 100%;
  line-height: 1.15;
}

.list-excerpt {
  margin: 0.85rem 0 1rem;
  font-size: 0.9375rem;
  color: var(--muted);
  line-height: 1.6;
  max-width: 36rem;
}

.card-details--editorial {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 1rem;
  margin: 0 0 1.25rem;
  padding-top: 1rem;
  border-top: 1px solid var(--border);
}

.card-details--editorial div {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
}

.card-details--editorial dt {
  font-size: 0.625rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--mist);
}

.card-details--editorial dd {
  margin: 0;
  font-family: var(--font-serif);
  font-size: 1.0625rem;
}

.project-card--list .list-action {
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ember);
}

.badge--featured {
  font-size: 0.625rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 0.2rem 0.5rem;
  background: var(--ember);
  color: var(--white);
  border-radius: var(--radius);
}

.catalog-footer {
  padding: 3rem clamp(1.25rem, 4vw, 2.5rem) 0;
  text-align: center;
}

.empty {
  font-family: var(--font-serif);
  font-size: 1.25rem;
  color: var(--muted);
  padding: 3rem;
}

.empty button {
  font-family: var(--font-sans);
  font-size: 0.875rem;
  background: none;
  border: none;
  color: var(--ember);
  text-decoration: underline;
  cursor: pointer;
  margin-left: 0.25rem;
}

.btn-load {
  padding: 1rem 2.5rem;
  font-family: var(--font-sans);
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink);
  background: transparent;
  border: 1px solid var(--ink);
  border-radius: var(--radius);
  cursor: pointer;
  transition: background var(--ease), color var(--ease);
}

.btn-load:hover:not(:disabled) {
  background: var(--ink);
  color: var(--white);
}

.btn-load:disabled {
  opacity: 0.45;
  cursor: not-allowed;
}

.load-meta {
  font-family: var(--font-serif);
  font-size: 0.9375rem;
  font-style: italic;
  color: var(--muted);
  margin: 0.85rem 0 0;
}

.page-jump {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.35rem;
  margin-top: 1.75rem;
}

.page-jump button {
  min-width: 2.25rem;
  height: 2.25rem;
  font-family: var(--font-sans);
  font-size: 0.8125rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--white);
  cursor: pointer;
}

.page-jump button.is-active {
  background: var(--ink);
  color: var(--white);
  border-color: var(--ink);
}

.page-jump .ellipsis {
  align-self: center;
  color: var(--muted);
  padding: 0 0.25rem;
}

.site-footer {
  text-align: center;
  padding: 2rem;
  font-size: 0.75rem;
  color: var(--mist);
  border-top: 1px solid var(--border);
}

.site-footer p { margin: 0; }

@media (max-width: 1024px) {
  .project-grid.is-grid { grid-template-columns: repeat(2, 1fr); }
  .project-card--list { grid-template-columns: 200px 1fr; }
  .card-details--editorial { grid-template-columns: repeat(3, 1fr); }
}

@media (max-width: 640px) {
  .header-nav { display: none; }
  .hero-stats { width: 100%; gap: 1.5rem; }
  .project-grid.is-grid { grid-template-columns: 1fr; }
  .project-card--list { grid-template-columns: 1fr; }
  .card-details--editorial { grid-template-columns: repeat(2, 1fr); }
  .cat-tab .cat-label {
    max-width: 8rem;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
  }
}