.catalog-home,
.catalog-page {
  --catalog-bg: #f4f5f6;
  --catalog-surface: #ffffff;
  --catalog-ink: #15181c;
  --catalog-muted: #626a73;
  --catalog-line: #cfd4da;
  --catalog-accent: #087ea4;
  min-height: 100vh;
  color: var(--catalog-ink);
  background: var(--catalog-bg);
  font-family: "Segoe UI", Arial, sans-serif;
}

:root[data-theme="dark"] .catalog-home,
:root[data-theme="dark"] .catalog-page {
  --catalog-bg: #111315;
  --catalog-surface: #191c1f;
  --catalog-ink: #f1f3f5;
  --catalog-muted: #a8b0b8;
  --catalog-line: #3b4147;
  --catalog-accent: #62c8ed;
  background: var(--catalog-bg);
}

.catalog-home::before,
.catalog-home::after,
.catalog-page::before,
.catalog-page::after {
  display: none;
}

.catalog-home a {
  color: inherit;
}

.catalog-page a {
  color: inherit;
}

.catalog-shell {
  width: min(1080px, calc(100% - 40px));
  margin: 0 auto;
}

.catalog-header {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 28px;
  min-height: 70px;
  border-bottom: 1px solid var(--catalog-line);
}

.catalog-brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 0.98rem;
}

.catalog-brand img {
  width: 32px;
  height: 32px;
  border: 1px solid var(--catalog-line);
  border-radius: 2px;
  object-fit: cover;
}

.catalog-nav {
  display: flex;
  justify-content: center;
  gap: 22px;
  font-size: 0.9rem;
  font-weight: 650;
}

.catalog-nav a {
  padding: 7px 0;
  color: var(--catalog-muted);
  border-bottom: 2px solid transparent;
}

.catalog-nav a:hover,
.catalog-nav a:focus-visible,
.catalog-nav a[aria-current="page"] {
  color: var(--catalog-ink);
  border-bottom-color: var(--catalog-accent);
}

.catalog-utilities {
  display: flex;
  align-items: center;
  gap: 7px;
}

.catalog-time {
  color: var(--catalog-muted);
  font: 600 0.72rem/1.2 "Cascadia Code", Consolas, monospace;
}

.catalog-home .theme-toggle,
.catalog-home .music-toggle {
  min-height: 32px;
  padding: 0 10px;
  color: var(--catalog-ink);
  border: 1px solid var(--catalog-line);
  border-radius: 2px;
  background: var(--catalog-surface);
  box-shadow: none;
  backdrop-filter: none;
}

.catalog-home .theme-toggle:hover,
.catalog-home .music-toggle:hover {
  border-color: var(--catalog-accent);
}

.catalog-home .volume-popover {
  color: var(--catalog-ink);
  border: 1px solid var(--catalog-line);
  border-radius: 2px;
  background: var(--catalog-surface);
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.16);
  backdrop-filter: none;
}

.catalog-intro {
  min-height: min(570px, 68vh);
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 78px 0 68px;
  border-bottom: 1px solid var(--catalog-line);
}

.catalog-intro h1 {
  max-width: 850px;
  margin: 18px 0 20px;
  font-size: 6.3rem;
  line-height: 0.98;
  letter-spacing: 0;
}

.catalog-lede {
  max-width: 610px;
  margin: 0;
  color: var(--catalog-muted);
  font-size: 1.28rem;
  line-height: 1.6;
}

.catalog-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 30px;
}

.catalog-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  padding: 0 16px;
  border: 1px solid var(--catalog-line);
  border-radius: 2px;
  font-size: 0.9rem;
  font-weight: 700;
  background: var(--catalog-surface);
}

.catalog-button.primary {
  color: #fff;
  border-color: #15181c;
  background: #15181c;
}

:root[data-theme="dark"] .catalog-button.primary {
  color: #15181c;
  border-color: #f1f3f5;
  background: #f1f3f5;
}

.catalog-button:hover,
.catalog-button:focus-visible {
  border-color: var(--catalog-accent);
}

.catalog-section {
  padding: 74px 0;
  border-bottom: 1px solid var(--catalog-line);
}

.catalog-section-heading {
  margin-bottom: 30px;
}

.catalog-section-heading h2 {
  margin: 0;
  font-size: 2.35rem;
}

.catalog-feature {
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(280px, 0.75fr);
  gap: 34px;
  align-items: center;
}

.catalog-feature-media {
  display: block;
  min-width: 0;
  border: 1px solid var(--catalog-line);
  background: #20232a;
  overflow: hidden;
}

.catalog-feature-media img {
  display: block;
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: contain;
}

.catalog-feature-copy h3 {
  margin: 8px 0 12px;
  font-size: 3rem;
}

.catalog-feature-copy > p:not(.catalog-meta) {
  margin: 0 0 20px;
  color: var(--catalog-muted);
  line-height: 1.65;
}

.catalog-text-link {
  display: inline-flex;
  gap: 8px;
  align-items: center;
  padding-bottom: 3px;
  border-bottom: 1px solid var(--catalog-ink);
  font-size: 0.88rem;
  font-weight: 750;
}

.catalog-text-link:hover,
.catalog-text-link:focus-visible {
  color: var(--catalog-accent);
  border-color: var(--catalog-accent);
}

.catalog-feature-pair {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 34px;
  margin-top: 54px;
}

.catalog-feature.compact {
  display: block;
  padding-top: 24px;
  border-top: 1px solid var(--catalog-line);
}

.catalog-feature.compact .catalog-feature-media,
.catalog-terminal {
  margin-bottom: 22px;
}

.catalog-feature.compact .catalog-feature-copy h3 {
  font-size: 1.8rem;
}

.catalog-terminal {
  min-height: 236px;
  padding: 24px;
  color: #dfe6eb;
  border: 1px solid #394049;
  background: #15181c;
  font: 600 0.82rem/1.8 "Cascadia Code", Consolas, monospace;
}

.catalog-terminal span,
.catalog-terminal em {
  display: block;
}

.catalog-terminal span {
  margin-bottom: 14px;
  color: #72dc93;
}

.catalog-terminal b {
  display: inline-block;
  width: 86px;
  color: #99a6b2;
}

.catalog-terminal em {
  margin-top: 16px;
  color: #f1c969;
  font-style: normal;
}

.catalog-project-list {
  border-top: 1px solid var(--catalog-line);
}

.catalog-project-list > a {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 24px;
  align-items: center;
  min-height: 92px;
  padding: 18px 8px;
  border-bottom: 1px solid var(--catalog-line);
}

.catalog-project-list > a:hover,
.catalog-project-list > a:focus-visible {
  padding-left: 16px;
  color: var(--catalog-accent);
}

.catalog-project-list strong,
.catalog-project-list small {
  display: block;
}

.catalog-project-list strong {
  margin-bottom: 5px;
  font-size: 1.15rem;
}

.catalog-project-list small {
  color: var(--catalog-muted);
  font-size: 0.9rem;
  line-height: 1.5;
}

.catalog-project-list b {
  font: 700 0.78rem/1.2 "Cascadia Code", Consolas, monospace;
}

.catalog-bottom {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  border-bottom: 1px solid var(--catalog-line);
}

.catalog-bottom-block {
  min-width: 0;
  padding: 58px 40px 58px 0;
}

.catalog-bottom-block + .catalog-bottom-block {
  padding-right: 0;
  padding-left: 40px;
  border-left: 1px solid var(--catalog-line);
}

.catalog-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 24px;
}

.catalog-buttons img {
  display: block;
  image-rendering: pixelated;
}

.catalog-links {
  display: grid;
  border-top: 1px solid var(--catalog-line);
}

.catalog-links a {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  padding: 13px 0;
  border-bottom: 1px solid var(--catalog-line);
  font-weight: 700;
}

.catalog-links span {
  color: var(--catalog-muted);
  font: 600 0.78rem/1.3 "Cascadia Code", Consolas, monospace;
}

.catalog-footer {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  padding: 28px 0 44px;
  color: var(--catalog-muted);
  font-size: 0.82rem;
}

.catalog-footer p {
  margin: 0;
}

.catalog-footer nav {
  display: flex;
  gap: 18px;
}

@media (max-width: 900px) {
  .catalog-header {
    grid-template-columns: 1fr auto;
    gap: 12px;
    padding: 10px 0;
  }

  .catalog-nav {
    grid-column: 1 / -1;
    grid-row: 2;
    justify-content: flex-start;
    gap: 18px;
    overflow-x: auto;
  }

  .catalog-time {
    display: none;
  }

  .catalog-feature {
    grid-template-columns: 1fr;
  }

  .catalog-intro h1 {
    font-size: 4.8rem;
  }
}

@media (max-width: 680px) {
  .catalog-shell {
    width: min(100% - 24px, 1080px);
  }

  .catalog-brand strong {
    font-size: 0.9rem;
  }

  .catalog-home .theme-toggle,
  .catalog-home .music-toggle {
    width: 34px;
    padding: 0;
  }

  .catalog-home .theme-toggle span:last-child,
  .catalog-home .music-toggle span:last-child {
    position: absolute;
    width: 1px;
    height: 1px;
    overflow: hidden;
    clip: rect(0 0 0 0);
  }

  .catalog-intro {
    min-height: 500px;
    padding: 60px 0 54px;
  }

  .catalog-intro h1 {
    font-size: 3.35rem;
  }

  .catalog-lede {
    font-size: 1.05rem;
  }

  .catalog-section-heading h2 {
    font-size: 1.75rem;
  }

  .catalog-feature-copy h3 {
    font-size: 2.15rem;
  }

  .catalog-section {
    padding: 54px 0;
  }

  .catalog-feature-pair,
  .catalog-bottom {
    grid-template-columns: 1fr;
  }

  .catalog-feature-pair {
    gap: 42px;
  }

  .catalog-bottom-block,
  .catalog-bottom-block + .catalog-bottom-block {
    padding: 48px 0;
    border-left: 0;
  }

  .catalog-bottom-block + .catalog-bottom-block {
    border-top: 1px solid var(--catalog-line);
  }

  .catalog-project-list > a {
    grid-template-columns: 1fr;
    gap: 8px;
  }

  .catalog-footer {
    display: grid;
  }
}

@media (prefers-reduced-motion: no-preference) {
  .catalog-project-list > a,
  .catalog-text-link,
  .catalog-button {
    transition: color 150ms ease, border-color 150ms ease, padding 150ms ease;
  }
}

/* Shared interior-page treatment. */
.catalog-page {
  min-height: 100vh;
  color: var(--catalog-ink);
  background: var(--catalog-bg);
  font-family: "Segoe UI", Arial, sans-serif;
}

.catalog-page .ambient {
  display: none;
}

.catalog-page .shell {
  width: min(1080px, calc(100% - 40px));
  margin: 0 auto;
  padding: 0;
}

.catalog-page .topbar {
  position: static;
  z-index: 20;
  display: grid;
  grid-template-columns: auto 1fr auto auto;
  align-items: center;
  gap: 24px;
  min-height: 70px;
  padding: 0;
  border: 0;
  border-bottom: 1px solid var(--catalog-line);
  border-radius: 0;
  background: transparent;
  box-shadow: none;
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
}

.catalog-page .brand {
  gap: 10px;
  font-weight: 700;
}

.catalog-page .brand-orb {
  width: 32px;
  border: 1px solid var(--catalog-line);
  border-radius: 2px;
  background: var(--catalog-surface);
  box-shadow: none;
}

.catalog-page .brand strong {
  font-size: 0.98rem;
}

.catalog-page .brand small {
  display: none;
}

.catalog-page .nav {
  justify-self: center;
  display: flex;
  flex-wrap: nowrap;
  gap: 22px;
  padding: 0;
  border-radius: 0;
  background: transparent;
}

.catalog-page .nav a {
  min-height: 0;
  padding: 7px 0;
  color: var(--catalog-muted);
  border: 0;
  border-bottom: 2px solid transparent;
  border-radius: 0;
  font-size: 0.9rem;
  font-weight: 650;
  background: transparent;
  box-shadow: none;
}

.catalog-page .nav a:hover,
.catalog-page .nav a:focus-visible,
.catalog-page .nav a[aria-current="page"] {
  color: var(--catalog-ink);
  border-bottom-color: var(--catalog-accent);
  background: transparent;
}

.catalog-page .status-center {
  gap: 7px;
  color: var(--catalog-muted);
  font: 600 0.72rem/1.2 "Cascadia Code", Consolas, monospace;
}

.catalog-page .status-actions {
  gap: 7px;
}

.catalog-page .theme-toggle,
.catalog-page .music-toggle {
  min-height: 32px;
  padding: 0 10px;
  color: var(--catalog-ink);
  border: 1px solid var(--catalog-line);
  border-radius: 2px;
  background: var(--catalog-surface);
  box-shadow: none;
  backdrop-filter: none;
}

.catalog-page .theme-toggle:hover,
.catalog-page .music-toggle:hover {
  border-color: var(--catalog-accent);
}

.catalog-page .volume-popover {
  color: var(--catalog-ink);
  border: 1px solid var(--catalog-line);
  border-radius: 2px;
  background: var(--catalog-surface);
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.16);
  backdrop-filter: none;
}

.catalog-page .page-hero {
  padding: 84px 0 44px;
  border-bottom: 1px solid var(--catalog-line);
}

.catalog-page .page-hero h1 {
  margin: 0;
  color: var(--catalog-ink);
  font-size: 5rem;
  line-height: 1;
  letter-spacing: 0;
  text-shadow: none;
}

.catalog-page .panel,
.catalog-page .project-card,
.catalog-page .project-feature {
  border: 0;
  border-bottom: 1px solid var(--catalog-line);
  border-radius: 0;
  background: transparent;
  box-shadow: none;
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
  overflow: visible;
}

.catalog-page .panel {
  margin: 0;
  padding: 54px 0;
}

.catalog-page .panel::after,
.catalog-page .project-card::after,
.catalog-page .project-feature::after {
  display: none;
}

.catalog-page .panel > *,
.catalog-page .project-card > *,
.catalog-page .project-feature > * {
  position: static;
}

.catalog-page .section-heading {
  margin-bottom: 26px;
}

.catalog-page .section-heading h2,
:root[data-theme="dark"] .catalog-page .section-heading h2 {
  color: var(--catalog-ink);
  font-size: 2rem;
  letter-spacing: 0;
}

.catalog-page .prose-panel > p,
.catalog-page .feature-copy,
.catalog-page .project-detail-copy p {
  max-width: 72ch;
  color: var(--catalog-muted);
  font-size: 1rem;
  line-height: 1.75;
}

.catalog-page .prose-panel > h2 {
  margin: 40px 0 8px;
  color: var(--catalog-ink);
  font-size: 1.3rem;
}

.catalog-page .prose-panel > h2:first-of-type {
  margin-top: 30px;
}

.catalog-page .pill-button,
.catalog-page .copy-button {
  min-height: 40px;
  padding: 0 14px;
  color: var(--catalog-ink);
  border: 1px solid var(--catalog-line);
  border-radius: 2px;
  background: var(--catalog-surface);
  box-shadow: none;
}

.catalog-page .pill-button:hover,
.catalog-page .pill-button:focus-visible,
.catalog-page .copy-button:hover,
.catalog-page .copy-button:focus-visible {
  color: var(--catalog-accent);
  border-color: var(--catalog-accent);
}

.catalog-page .project-list {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
  border-top: 1px solid var(--catalog-line);
}

.catalog-page .project-feature {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  grid-template-rows: auto;
  gap: 16px;
  align-items: center;
  min-height: 96px;
  padding: 18px 8px;
}

.catalog-page .project-feature:hover,
.catalog-page .project-feature:focus-visible {
  padding-left: 16px;
  color: var(--catalog-accent);
  transform: none;
}

.catalog-page .project-feature small,
.catalog-page .project-card small,
:root[data-theme="dark"] .catalog-page .project-feature small,
:root[data-theme="dark"] .catalog-page .project-card small {
  color: var(--catalog-muted);
}

.catalog-page .project-badge {
  color: var(--catalog-ink);
  border: 1px solid var(--catalog-line);
  border-radius: 2px;
  background: var(--catalog-surface);
  box-shadow: none;
}

.catalog-page .project-feature > b {
  grid-column: auto;
  justify-self: end;
  padding: 0;
  color: var(--catalog-muted);
  border: 0;
  border-radius: 0;
  background: transparent;
  box-shadow: none;
  font: 700 0.78rem/1.2 "Cascadia Code", Consolas, monospace;
}

.catalog-page .project-feature .project-badge {
  margin: 0;
}

.catalog-page .project-detail-hero {
  padding-top: 80px;
}

.catalog-page .project-detail-copy h1 {
  margin: 12px 0 18px;
  color: var(--catalog-ink);
  font-size: 4.5rem;
  line-height: 1;
  letter-spacing: 0;
}

.catalog-page .project-status {
  padding: 0;
  color: var(--catalog-muted);
  border: 0;
  font: 700 0.75rem/1.4 "Cascadia Code", Consolas, monospace;
}

.catalog-page .project-detail-media,
.catalog-page .project-gallery img,
.catalog-page .project-showcase-image {
  border: 1px solid var(--catalog-line);
  border-radius: 0;
  background: #181a1f;
}

.catalog-page .feature-list article,
.catalog-page .info-card {
  color: var(--catalog-ink);
  border: 1px solid var(--catalog-line);
  border-radius: 2px;
  background: var(--catalog-surface);
}

.catalog-page .feature-list span,
.catalog-page .info-card span {
  color: var(--catalog-muted);
  line-height: 1.55;
}

.catalog-page .scan-report {
  border: 1px solid #394049;
  border-radius: 0;
  background: #15181c;
  box-shadow: none;
}

.catalog-page .split {
  gap: 0;
  border-bottom: 1px solid var(--catalog-line);
}

.catalog-page .split > .panel {
  border-bottom: 0;
}

.catalog-page .split > .panel + .panel {
  padding-left: 40px;
  border-left: 1px solid var(--catalog-line);
}

.catalog-page .link-list,
.catalog-page .note-list {
  border-top: 1px solid var(--catalog-line);
}

.catalog-page .link-list a,
.catalog-page .link-list p,
.catalog-page .note-list p,
:root[data-theme="dark"] .catalog-page .link-list a,
:root[data-theme="dark"] .catalog-page .link-list p,
:root[data-theme="dark"] .catalog-page .note-list p {
  color: var(--catalog-ink);
  border-color: var(--catalog-line);
  border-radius: 0;
  background: transparent;
  box-shadow: none;
}

.catalog-page .copy-box {
  color: var(--catalog-ink);
  border: 1px solid var(--catalog-line);
  border-radius: 2px;
  background: var(--catalog-surface);
}

.catalog-page .site-footer {
  margin: 0;
  padding: 28px 0 44px;
  color: var(--catalog-muted);
  border: 0;
  border-radius: 0;
  background: transparent;
  box-shadow: none;
}

.catalog-page .site-footer a {
  color: var(--catalog-muted);
}

.catalog-page .site-footer a:hover,
.catalog-page .site-footer a:focus-visible {
  color: var(--catalog-accent);
}

:root[data-theme="dark"] .catalog-page .topbar,
:root[data-theme="dark"] .catalog-page .panel,
:root[data-theme="dark"] .catalog-page .project-card,
:root[data-theme="dark"] .catalog-page .project-feature,
:root[data-theme="dark"] .catalog-page .nav,
:root[data-theme="dark"] .catalog-page .site-footer {
  background: transparent;
  box-shadow: none;
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
}

:root[data-theme="dark"] .catalog-page .nav a,
:root[data-theme="dark"] .catalog-page .pill-button,
:root[data-theme="dark"] .catalog-page .copy-button,
:root[data-theme="dark"] .catalog-page .theme-toggle,
:root[data-theme="dark"] .catalog-page .music-toggle,
:root[data-theme="dark"] .catalog-page .project-badge,
:root[data-theme="dark"] .catalog-page .brand-orb,
:root[data-theme="dark"] .catalog-page .copy-box,
:root[data-theme="dark"] .catalog-page .feature-list article,
:root[data-theme="dark"] .catalog-page .info-card {
  color: var(--catalog-ink);
  border-color: var(--catalog-line);
  background: var(--catalog-surface);
  box-shadow: none;
}

:root[data-theme="dark"] .catalog-page .nav a {
  background: transparent;
}

:root[data-theme="dark"] .catalog-page .nav a[aria-current="page"] {
  color: var(--catalog-ink);
  border-bottom-color: var(--catalog-accent);
}

:root[data-theme="dark"] .catalog-page .project-feature > b {
  color: var(--catalog-muted);
  border: 0;
  background: transparent;
}

@media (max-width: 950px) {
  .catalog-page .topbar {
    grid-template-columns: 1fr auto;
    gap: 12px;
    padding: 10px 0;
  }

  .catalog-page .nav {
    grid-column: 1 / -1;
    grid-row: 2;
    justify-self: stretch;
    justify-content: flex-start;
    gap: 18px;
    overflow-x: auto;
  }

  .catalog-page .status-center {
    display: none;
  }

  .catalog-page .status-actions {
    grid-column: 2;
    grid-row: 1;
  }
}

@media (max-width: 680px) {
  .catalog-page .shell {
    width: min(100% - 24px, 1080px);
  }

  .catalog-page .brand strong {
    font-size: 0.9rem;
  }

  .catalog-page .theme-toggle,
  .catalog-page .music-toggle {
    width: 34px;
    padding: 0;
  }

  .catalog-page .theme-toggle span:last-child,
  .catalog-page .music-toggle span:last-child {
    position: absolute;
    width: 1px;
    height: 1px;
    overflow: hidden;
    clip: rect(0 0 0 0);
  }

  .catalog-page .page-hero {
    padding: 58px 0 32px;
  }

  .catalog-page .page-hero h1 {
    font-size: 3.3rem;
  }

  .catalog-page .panel {
    padding: 42px 0;
  }

  .catalog-page .project-detail-hero {
    padding-top: 58px;
  }

  .catalog-page .project-detail-copy h1 {
    font-size: 3.3rem;
  }

  .catalog-page .project-detail-media {
    max-height: 330px;
  }

  .catalog-page .feature-list {
    grid-template-columns: 1fr;
  }

  .catalog-page .split {
    grid-template-columns: 1fr;
  }

  .catalog-page .split > .panel + .panel {
    padding-left: 0;
    border-top: 1px solid var(--catalog-line);
    border-left: 0;
  }

  .catalog-page .site-footer {
    justify-content: flex-start;
  }
}