/* catalog.css
   Scoped archive + native case-detail styling.
   Only catalog-* / case-* classes are authored here; design tokens are
   inherited from :root and are never redefined. */

/* --------------------------------------------------------------------------
   Scoped sizing / hidden handling
   -------------------------------------------------------------------------- */

.catalog-root,
.catalog-root *,
.catalog-root *::before,
.catalog-root *::after,
.case-dialog,
.case-dialog *,
.case-dialog *::before,
.case-dialog *::after {
  box-sizing: border-box;
}

.catalog-root [hidden],
.case-dialog [hidden] {
  display: none !important;
}

body.catalog-modal-open {
  overflow: hidden;
}

/* --------------------------------------------------------------------------
   Archive shell
   -------------------------------------------------------------------------- */

.catalog-root {
  position: relative;
  isolation: isolate;
  overflow-x: clip;
  color: var(--ink, #f4f5ef);
  background: var(--surface, #101416);
  font: inherit;
}

.catalog-shell {
  width: min(100%, 1680px);
  margin-inline: auto;
  padding: clamp(2.2rem, 6vw, 6rem) clamp(1rem, 5vw, 5.5rem)
    clamp(5rem, 10vw, 9rem);
}

.catalog-head {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  justify-content: space-between;
  gap: 1.2rem 2rem;
  padding-bottom: clamp(1.2rem, 2.8vw, 2.2rem);
  border-bottom: 1px solid var(--line, #293133);
}

.catalog-heading {
  min-width: 0;
  max-width: 18ch;
  margin: 0;
  color: var(--ink, #f4f5ef);
  font: inherit;
  font-size: clamp(2.2rem, 6.6vw, 5.8rem);
  font-weight: 600;
  line-height: 0.94;
  letter-spacing: -0.045em;
  overflow-wrap: anywhere;
  text-wrap: balance;
}

.catalog-count {
  margin: 0 0 0.25rem;
  color: var(--muted, #a4aaa8);
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.16em;
  line-height: 1.3;
  text-transform: uppercase;
  white-space: nowrap;
  font-variant-numeric: tabular-nums;
}

.catalog-count::before {
  content: "";
  display: inline-block;
  width: 0.45rem;
  height: 0.45rem;
  margin-right: 0.6rem;
  background: var(--accent, #c2ff73);
  vertical-align: 0.08em;
}

.catalog-controls {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1.4rem;
  padding: clamp(1.2rem, 2.8vw, 2rem) 0;
  border-bottom: 1px solid var(--line, #293133);
}

.catalog-search {
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
  min-width: 0;
}

.catalog-search-label {
  color: var(--muted, #a4aaa8);
  font-size: 0.68rem;
  letter-spacing: 0.18em;
  line-height: 1.2;
  text-transform: uppercase;
}

.catalog-search-input {
  width: 100%;
  min-height: 44px;
  margin: 0;
  padding: 0.55rem 0;
  border: 0;
  border-bottom: 1px solid var(--line, #293133);
  border-radius: 0;
  outline: 0;
  background: transparent;
  color: var(--ink, #f4f5ef);
  caret-color: var(--accent, #c2ff73);
  font: inherit;
  font-size: 16px;
  line-height: 1.45;
  transition: border-color 160ms var(--ease-out, cubic-bezier(0.23, 1, 0.32, 1));
}

.catalog-search-input::placeholder {
  color: var(--muted, #a4aaa8);
  opacity: 0.72;
}

.catalog-search-input:focus {
  border-bottom-color: var(--accent, #c2ff73);
}

.catalog-search-input:focus-visible {
  outline: 2px solid var(--accent, #c2ff73);
  outline-offset: 3px;
}

.catalog-search-input::-webkit-search-cancel-button {
  filter: grayscale(1);
}

.catalog-filters {
  display: flex;
  flex-wrap: wrap;
  align-items: stretch;
  gap: 0 clamp(0.9rem, 2vw, 1.6rem);
  min-width: 0;
}

.catalog-filter {
  position: relative;
  max-width: 100%;
  min-height: 44px;
  margin: 0;
  padding: 0.5rem 0;
  border: 0;
  border-bottom: 1px solid transparent;
  border-radius: 0;
  background: transparent;
  color: var(--muted, #a4aaa8);
  font: inherit;
  font-size: clamp(0.74rem, 1vw, 0.82rem);
  letter-spacing: 0.08em;
  line-height: 1.2;
  overflow-wrap: anywhere;
  cursor: pointer;
  transition:
    color 160ms var(--ease-out, cubic-bezier(0.23, 1, 0.32, 1)),
    border-color 160ms var(--ease-out, cubic-bezier(0.23, 1, 0.32, 1)),
    opacity 160ms var(--ease-out, cubic-bezier(0.23, 1, 0.32, 1)),
    transform 160ms var(--ease-out, cubic-bezier(0.23, 1, 0.32, 1));
}

.catalog-filter[aria-pressed="true"] {
  color: var(--ink, #f4f5ef);
  border-bottom-color: var(--accent, #c2ff73);
}

.catalog-filter:active {
  opacity: 0.7;
  transform: translateY(1px);
}

.catalog-filter:focus-visible {
  outline: 2px solid var(--accent, #c2ff73);
  outline-offset: 3px;
}

/* --------------------------------------------------------------------------
   Project rows
   -------------------------------------------------------------------------- */

.catalog-list {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  margin: 0;
  padding: 0;
  list-style: none;
}

.catalog-item {
  min-width: 0;
  border-bottom: 1px solid var(--line, #293133);
}

.catalog-card {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: start;
  gap: clamp(0.9rem, 2vw, 1.6rem);
  width: 100%;
  min-height: 44px;
  margin: 0;
  padding: clamp(1.4rem, 2.8vw, 2.4rem) 0;
  border: 0;
  border-radius: 0;
  background: transparent;
  color: inherit;
  font: inherit;
  text-align: left;
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
  transition:
    opacity 160ms var(--ease-out, cubic-bezier(0.23, 1, 0.32, 1)),
    transform 160ms var(--ease-out, cubic-bezier(0.23, 1, 0.32, 1));
}

.catalog-card--text-only {
  grid-template-columns: minmax(0, 1fr);
}

.catalog-card-main {
  display: block;
  min-width: 0;
}

.catalog-card-meta {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  min-width: 0;
  color: var(--muted, #a4aaa8);
  font-size: 0.66rem;
  letter-spacing: 0.15em;
  line-height: 1.2;
  text-transform: uppercase;
}

.catalog-card-index {
  flex: 0 0 auto;
  color: var(--accent, #c2ff73);
  letter-spacing: 0.1em;
  font-variant-numeric: tabular-nums;
}

.catalog-card-track {
  min-width: 0;
  overflow-wrap: anywhere;
}

.catalog-card-rule {
  flex: 1 1 1.5rem;
  min-width: 0.8rem;
  height: 1px;
  background: var(--line, #293133);
  transition: background-color 160ms var(--ease-out, cubic-bezier(0.23, 1, 0.32, 1));
}

.catalog-card-title {
  display: block;
  margin-top: clamp(0.55rem, 1.2vw, 0.9rem);
  color: var(--ink, #f4f5ef);
  font-size: clamp(1.2rem, 2vw, 1.7rem);
  font-weight: 500;
  line-height: 1.12;
  letter-spacing: -0.025em;
  overflow-wrap: anywhere;
  transition: color 160ms var(--ease-out, cubic-bezier(0.23, 1, 0.32, 1));
}

.catalog-card-subtitle {
  display: block;
  margin-top: 0.35rem;
  color: var(--muted, #a4aaa8);
  font-size: 0.92rem;
  line-height: 1.4;
  overflow-wrap: anywhere;
}

.catalog-card-oneliner {
  display: block;
  max-width: 52ch;
  margin-top: 0.75rem;
  color: var(--muted, #a4aaa8);
  font-size: 0.88rem;
  line-height: 1.6;
  overflow-wrap: anywhere;
  white-space: pre-line;
}

.catalog-card-thumb {
  display: block;
  width: clamp(3.5rem, 7vw, 5.4rem);
  aspect-ratio: 1;
  overflow: hidden;
  border: 1px solid var(--line, #293133);
  background: var(--surface, #101416);
}

.catalog-card-thumb-img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: grayscale(0.4) contrast(1.03);
  transition:
    filter 240ms var(--ease-out, cubic-bezier(0.23, 1, 0.32, 1)),
    transform 420ms var(--ease-out, cubic-bezier(0.23, 1, 0.32, 1));
}

.catalog-card:active {
  opacity: 0.78;
  transform: translateY(1px);
}

.catalog-card:focus-visible {
  outline: 2px solid var(--accent, #c2ff73);
  outline-offset: -2px;
}

/* --------------------------------------------------------------------------
   Empty state
   -------------------------------------------------------------------------- */

.catalog-empty {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1rem 1.5rem;
  padding: clamp(2.4rem, 5vw, 4rem) 0;
  border-bottom: 1px solid var(--line, #293133);
}

.catalog-empty-text {
  margin: 0;
  color: var(--ink, #f4f5ef);
  font-size: clamp(1.05rem, 2vw, 1.45rem);
  line-height: 1.3;
  overflow-wrap: anywhere;
}

.catalog-clear {
  min-height: 44px;
  padding: 0.55rem 0;
  border: 0;
  border-bottom: 1px solid var(--accent, #c2ff73);
  border-radius: 0;
  background: transparent;
  color: var(--accent, #c2ff73);
  font: inherit;
  font-size: 0.78rem;
  letter-spacing: 0.12em;
  cursor: pointer;
  transition:
    opacity 160ms var(--ease-out, cubic-bezier(0.23, 1, 0.32, 1)),
    transform 160ms var(--ease-out, cubic-bezier(0.23, 1, 0.32, 1));
}

.catalog-clear:active {
  opacity: 0.68;
  transform: translateY(1px);
}

.catalog-clear:focus-visible {
  outline: 2px solid var(--accent, #c2ff73);
  outline-offset: 3px;
}

/* --------------------------------------------------------------------------
   Case dialog shell
   -------------------------------------------------------------------------- */

.case-dialog {
  width: min(1100px, 94vw);
  max-width: 94vw;
  max-height: 90dvh;
  margin: auto;
  padding: 0;
  overflow: hidden;
  border: 1px solid var(--line, #293133);
  border-radius: 2px;
  background: var(--surface, #101416);
  color: var(--ink, #f4f5ef);
  color-scheme: dark;
  font: inherit;
  box-shadow: 0 24px 90px rgba(0, 0, 0, 0.62);
  overscroll-behavior: contain;
}

.case-dialog::backdrop {
  background: rgba(3, 5, 6, 0.82);
}

.case-dialog.case-is-opening::backdrop {
  animation: case-backdrop-in 240ms var(--ease-out, cubic-bezier(0.23, 1, 0.32, 1)) both;
}

.case-dialog.case-is-closing::backdrop {
  animation: case-backdrop-out 210ms var(--ease-in-out, cubic-bezier(0.77, 0, 0.175, 1)) both;
}

.case-dialog.case-is-closing {
  pointer-events: none;
}

@keyframes case-backdrop-in {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

@keyframes case-backdrop-out {
  from {
    opacity: 1;
  }
  to {
    opacity: 0;
  }
}

.case-frame {
  position: relative;
  display: flex;
  flex-direction: column;
  min-height: 0;
  max-height: 90dvh;
}

.case-header {
  display: flex;
  flex: 0 0 auto;
  align-items: flex-start;
  gap: 1rem;
  padding: clamp(1.1rem, 2.4vw, 2rem) clamp(1.1rem, 3vw, 2.4rem)
    clamp(0.9rem, 1.8vw, 1.4rem);
  border-bottom: 1px solid var(--line, #293133);
}

.case-header-text {
  flex: 1 1 auto;
  min-width: 0;
}

.case-kicker {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0.45rem 1rem;
  margin: 0 0 0.6rem;
  color: var(--muted, #a4aaa8);
  font-size: 0.66rem;
  letter-spacing: 0.18em;
  line-height: 1.3;
  text-transform: uppercase;
}

.case-index {
  color: var(--accent, #c2ff73);
  letter-spacing: 0.12em;
  font-variant-numeric: tabular-nums;
}

.case-kind {
  min-width: 0;
  overflow-wrap: anywhere;
}

.case-title {
  margin: 0;
  color: var(--ink, #f4f5ef);
  font: inherit;
  font-size: clamp(1.55rem, 3.8vw, 3.1rem);
  font-weight: 600;
  line-height: 1.02;
  letter-spacing: -0.035em;
  overflow-wrap: anywhere;
  text-wrap: balance;
}

.case-subtitle {
  margin: 0.5rem 0 0;
  color: var(--muted, #a4aaa8);
  font-size: clamp(0.85rem, 1.2vw, 0.98rem);
  line-height: 1.45;
  overflow-wrap: anywhere;
}

.case-close {
  display: inline-flex;
  flex: 0 0 auto;
  align-items: center;
  justify-content: center;
  gap: 0.45rem;
  min-width: 44px;
  min-height: 44px;
  padding: 0.55rem 0.65rem;
  border: 1px solid var(--line, #293133);
  border-radius: 0;
  background: transparent;
  color: var(--ink, #f4f5ef);
  font: inherit;
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  cursor: pointer;
  transition:
    background-color 160ms var(--ease-out, cubic-bezier(0.23, 1, 0.32, 1)),
    border-color 160ms var(--ease-out, cubic-bezier(0.23, 1, 0.32, 1)),
    color 160ms var(--ease-out, cubic-bezier(0.23, 1, 0.32, 1)),
    transform 160ms var(--ease-out, cubic-bezier(0.23, 1, 0.32, 1));
}

.case-close-glyph {
  color: var(--muted, #a4aaa8);
  font-size: 1rem;
  line-height: 1;
  transition: color 160ms var(--ease-out, cubic-bezier(0.23, 1, 0.32, 1));
}

.case-close:active {
  transform: translateY(1px);
}

.case-close:focus-visible {
  outline: 2px solid var(--accent, #c2ff73);
  outline-offset: 2px;
}

/* --------------------------------------------------------------------------
   Scrolling body
   -------------------------------------------------------------------------- */

.case-body {
  position: relative;
  flex: 1 1 auto;
  min-height: 0;
  overflow: hidden;
  background: var(--surface, #101416);
}

.case-scroll {
  height: 100%;
  max-height: 100%;
  overflow-x: hidden;
  overflow-y: auto;
  overscroll-behavior: contain;
  scrollbar-width: thin;
  scrollbar-color: var(--line, #293133) transparent;
  padding: clamp(1.1rem, 2.8vw, 2.4rem) clamp(1.1rem, 3vw, 2.4rem);
}

.case-scroll::-webkit-scrollbar {
  width: 10px;
}

.case-scroll::-webkit-scrollbar-track {
  background: transparent;
}

.case-scroll::-webkit-scrollbar-thumb {
  background: var(--line, #293133);
  border: 3px solid var(--surface, #101416);
}

.case-scroll:focus-visible {
  outline: 2px solid var(--accent, #c2ff73);
  outline-offset: -3px;
}

.case-content {
  min-width: 0;
}

.case-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  align-items: start;
  gap: clamp(1.4rem, 3vw, 2.8rem);
}

.case-copy {
  min-width: 0;
}

/* --------------------------------------------------------------------------
   Media
   -------------------------------------------------------------------------- */

.case-media {
  min-width: 0;
  margin: 0;
}

.case-media-frame {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  min-height: clamp(10rem, 28vh, 22rem);
  max-height: min(56vh, 620px);
  overflow: hidden;
  border: 1px solid var(--line, #293133);
  background: var(--surface, #101416);
}

.case-image,
.case-video {
  display: block;
  max-width: 100%;
  max-height: min(56vh, 620px);
  object-fit: contain;
}

.case-image {
  width: auto;
  height: auto;
}

.case-video {
  width: 100%;
  height: auto;
  background: var(--surface, #101416);
}

.case-media-caption {
  margin: 0.6rem 0 0;
  color: var(--muted, #a4aaa8);
  font-size: 0.75rem;
  line-height: 1.5;
  overflow-wrap: anywhere;
}

/* --------------------------------------------------------------------------
   Case copy
   -------------------------------------------------------------------------- */

.case-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem 0;
  margin: 0 0 1.4rem;
  padding: 0;
  list-style: none;
  color: var(--muted, #a4aaa8);
  font-size: 0.68rem;
  letter-spacing: 0.1em;
  line-height: 1.4;
  text-transform: uppercase;
}

.case-meta-item {
  display: inline-flex;
  align-items: baseline;
  gap: 0.45rem;
  min-width: 0;
  max-width: 100%;
}

.case-meta-item + .case-meta-item::before {
  content: "/";
  margin-inline: 0.65rem;
  color: var(--muted, #a4aaa8);
  opacity: 0.45;
}

.case-meta-label {
  color: var(--muted, #a4aaa8);
}

.case-meta-value {
  min-width: 0;
  color: var(--ink, #f4f5ef);
  overflow-wrap: anywhere;
}

.case-oneliner {
  margin: 0 0 1.2rem;
  color: var(--ink, #f4f5ef);
  font-size: clamp(1.15rem, 2.1vw, 1.6rem);
  line-height: 1.3;
  letter-spacing: -0.015em;
  overflow-wrap: anywhere;
  white-space: pre-line;
}

.case-summary {
  max-width: 68ch;
  margin: 0;
  color: var(--muted, #a4aaa8);
  font-size: 0.98rem;
  line-height: 1.7;
  overflow-wrap: anywhere;
  white-space: pre-line;
}

.case-section {
  margin-top: clamp(1.4rem, 2.6vw, 2rem);
  padding-top: clamp(0.8rem, 1.6vw, 1.1rem);
  border-top: 1px solid var(--line, #293133);
}

.case-section-title {
  margin: 0 0 0.7rem;
  color: var(--muted, #a4aaa8);
  font: inherit;
  font-size: 0.68rem;
  font-weight: 500;
  letter-spacing: 0.16em;
  line-height: 1.4;
  text-transform: uppercase;
}

.case-text {
  margin: 0;
  color: var(--ink, #f4f5ef);
  font-size: 0.95rem;
  line-height: 1.7;
  overflow-wrap: anywhere;
  white-space: pre-line;
}

.case-list {
  display: grid;
  gap: 0.55rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.case-list-item {
  position: relative;
  padding-left: 1.1rem;
  color: var(--ink, #f4f5ef);
  font-size: 0.92rem;
  line-height: 1.6;
  overflow-wrap: anywhere;
  white-space: pre-line;
}

.case-list-item::before {
  content: "";
  position: absolute;
  top: 0.72em;
  left: 0;
  width: 0.45rem;
  height: 1px;
  background: var(--accent, #c2ff73);
}

.case-list--ordered {
  counter-reset: case-step;
}

.case-list--ordered .case-list-item {
  padding-left: 1.8rem;
  counter-increment: case-step;
}

.case-list--ordered .case-list-item::before {
  content: counter(case-step, decimal-leading-zero);
  top: 0;
  width: auto;
  height: auto;
  background: none;
  color: var(--accent, #c2ff73);
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  line-height: 1.9;
  font-variant-numeric: tabular-nums;
}

.case-tech {
  display: flex;
  flex-wrap: wrap;
  gap: 0.25rem 0;
  margin: 0;
  padding: 0;
  list-style: none;
  color: var(--muted, #a4aaa8);
  font-size: 0.86rem;
  line-height: 1.6;
}

.case-tech-item {
  min-width: 0;
  max-width: 100%;
  overflow-wrap: anywhere;
  white-space: pre-line;
}

.case-tech-item:not(:last-child)::after {
  content: " /";
  opacity: 0.55;
}

/* --------------------------------------------------------------------------
   Collapsible proof / limits
   -------------------------------------------------------------------------- */

.case-details-group {
  margin-top: clamp(1.6rem, 3vw, 2.4rem);
  border-top: 1px solid var(--line, #293133);
}

.case-details {
  border-bottom: 1px solid var(--line, #293133);
}

.case-details-summary {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  min-height: 44px;
  color: var(--muted, #a4aaa8);
  font-size: 0.7rem;
  letter-spacing: 0.14em;
  line-height: 1.4;
  text-transform: uppercase;
  cursor: pointer;
  list-style: none;
}

.case-details-summary::-webkit-details-marker {
  display: none;
}

.case-details-summary::before {
  content: "+";
  width: 1rem;
  color: var(--accent, #c2ff73);
  font-size: 1rem;
  line-height: 1;
  text-align: center;
}

.case-details[open] .case-details-summary::before {
  content: "−";
}

.case-details-summary:focus-visible {
  outline: 2px solid var(--accent, #c2ff73);
  outline-offset: -2px;
}

.case-details .case-list {
  padding-bottom: 1rem;
}

/* --------------------------------------------------------------------------
   Footer, external link, next / previous
   -------------------------------------------------------------------------- */

.case-footer {
  display: flex;
  flex: 0 0 auto;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  min-width: 0;
  gap: 0.8rem 1.2rem;
  padding: 0.8rem clamp(1.1rem, 3vw, 2.4rem);
  border-top: 1px solid var(--line, #293133);
  background: var(--surface, #101416);
}

.case-link-slot {
  flex: 1 1 12rem;
  min-width: 0;
}

.case-link-slot:empty {
  display: none;
}

.case-link {
  display: inline-flex;
  align-items: center;
  max-width: 100%;
  min-height: 44px;
  border-bottom: 1px solid transparent;
  color: var(--accent, #c2ff73);
  font-size: 0.76rem;
  letter-spacing: 0.1em;
  line-height: 1.3;
  text-decoration: none;
  text-transform: uppercase;
  overflow-wrap: anywhere;
  transition:
    border-color 160ms var(--ease-out, cubic-bezier(0.23, 1, 0.32, 1)),
    opacity 160ms var(--ease-out, cubic-bezier(0.23, 1, 0.32, 1));
}

.case-link:active {
  opacity: 0.68;
}

.case-link:focus-visible {
  outline: 2px solid var(--accent, #c2ff73);
  outline-offset: 3px;
}

.case-nav {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: flex-end;
  min-width: 0;
  gap: 0.5rem;
  margin-left: auto;
}

.case-nav-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  min-width: 44px;
  min-height: 44px;
  margin: 0;
  padding: 0.55rem 0.7rem;
  border: 1px solid var(--line, #293133);
  border-radius: 0;
  background: transparent;
  color: var(--ink, #f4f5ef);
  font: inherit;
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  cursor: pointer;
  transition:
    border-color 160ms var(--ease-out, cubic-bezier(0.23, 1, 0.32, 1)),
    color 160ms var(--ease-out, cubic-bezier(0.23, 1, 0.32, 1)),
    opacity 160ms var(--ease-out, cubic-bezier(0.23, 1, 0.32, 1)),
    transform 160ms var(--ease-out, cubic-bezier(0.23, 1, 0.32, 1));
}

.case-nav-arrow {
  color: var(--accent, #c2ff73);
  font-size: 1rem;
  line-height: 1;
}

.case-nav-button:active {
  opacity: 0.75;
  transform: translateY(1px);
}

.case-nav-button:disabled {
  opacity: 0.35;
  cursor: not-allowed;
}

.case-nav-button:focus-visible {
  outline: 2px solid var(--accent, #c2ff73);
  outline-offset: 2px;
}

.case-position {
  margin: 0 0.2rem;
  color: var(--muted, #a4aaa8);
  font-size: 0.68rem;
  letter-spacing: 0.1em;
  line-height: 1.4;
  white-space: nowrap;
  font-variant-numeric: tabular-nums;
}

/* --------------------------------------------------------------------------
   Step-transition curtain
   -------------------------------------------------------------------------- */

.case-curtain {
  position: absolute;
  inset: 0;
  z-index: 20;
  display: none;
  pointer-events: none;
  background: var(--surface, #101416);
  clip-path: inset(0 0 0 0);
  will-change: clip-path;
}

/* --------------------------------------------------------------------------
   Accessible utility (scoped)
   -------------------------------------------------------------------------- */

.case-sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  clip-path: inset(50%);
  white-space: nowrap;
  border: 0;
}

/* --------------------------------------------------------------------------
   Responsive layout
   -------------------------------------------------------------------------- */

@media (min-width: 760px) {
  .catalog-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: clamp(1.5rem, 4vw, 4.5rem);
  }
}

@media (min-width: 900px) {
  .catalog-controls {
    grid-template-columns: minmax(14rem, 26rem) minmax(0, 1fr);
    align-items: end;
    gap: clamp(2rem, 5vw, 5rem);
  }
}

@media (min-width: 860px) {
  .case-layout {
    grid-template-columns: minmax(0, 0.92fr) minmax(0, 1.08fr);
    gap: clamp(2rem, 4vw, 4rem);
  }

  .case-layout--no-media {
    grid-template-columns: minmax(0, 1fr);
  }

  .case-copy {
    max-width: 64ch;
  }
}

@media (max-width: 640px) {
  .case-footer {
    align-items: stretch;
  }

  .case-link-slot {
    flex-basis: 100%;
  }

  .case-nav {
    flex-wrap: nowrap;
    justify-content: space-between;
    width: 100%;
    margin-left: 0;
  }

  .case-nav-button {
    flex: 1 1 0;
    padding-inline: 0.4rem;
  }

  .case-nav-label {
    font-size: 0.68rem;
  }

  .case-position {
    flex: 0 0 auto;
  }
}

@media (max-width: 480px) {
  .case-close {
    padding: 0;
  }

  .case-close-label {
    display: none;
  }

  .case-close-glyph {
    font-size: 1.3rem;
  }
}

/* --------------------------------------------------------------------------
   Hover only for precise pointers
   -------------------------------------------------------------------------- */

@media (hover: hover) and (pointer: fine) {
  .catalog-filter:hover {
    color: var(--ink, #f4f5ef);
  }

  .catalog-card:hover .catalog-card-title {
    color: var(--accent, #c2ff73);
  }

  .catalog-card:hover .catalog-card-rule {
    background: var(--accent, #c2ff73);
  }

  .catalog-card:hover .catalog-card-thumb-img {
    filter: grayscale(0) contrast(1.05);
    transform: scale(1.04);
  }

  .catalog-clear:hover {
    opacity: 0.72;
  }

  .case-close:hover {
    border-color: var(--accent, #c2ff73);
    color: var(--accent, #c2ff73);
  }

  .case-close:hover .case-close-glyph {
    color: var(--accent, #c2ff73);
  }

  .case-link:hover {
    border-bottom-color: currentColor;
  }

  .case-details-summary:hover {
    color: var(--ink, #f4f5ef);
  }

  .case-nav-button:hover:not(:disabled) {
    border-color: var(--accent, #c2ff73);
    color: var(--accent, #c2ff73);
  }
}

/* --------------------------------------------------------------------------
   Reduced motion
   -------------------------------------------------------------------------- */

@media (prefers-reduced-motion: reduce) {
  .catalog-root,
  .catalog-root *,
  .catalog-root *::before,
  .catalog-root *::after,
  .case-dialog,
  .case-dialog *,
  .case-dialog *::before,
  .case-dialog *::after,
  .case-dialog::backdrop {
    animation-delay: 0ms !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-delay: 0ms !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

/* Integrated CONTINUUM layout. Parent section supplies the outer spacing. */
.catalog-root{background:transparent}
.catalog-shell{padding:0}
.catalog-head{padding:0 0 20px;border-bottom:0}
.catalog-heading{font-size:10px;line-height:1.6;letter-spacing:.13em;max-width:none;font-weight:400;color:var(--muted)}
.catalog-card{background:transparent}
.case-title{line-height:1.2}
.case-frame{height:90dvh}
.case-body{display:flex;flex-direction:column}
.case-scroll{flex:1 1 0;min-height:0;height:auto;max-height:none}