:root {
  --ink: #18212b;
  --muted: #667383;
  --paper: #f6f7f9;
  --surface: #ffffff;
  --surface-soft: #f0f5f4;
  --line: #d9e0e7;
  --line-strong: #c2ccd6;
  --teal: #137c72;
  --teal-dark: #0f5f58;
  --blue: #2f6fcb;
  --red: #c94f44;
  --amber: #9f6b16;
  --green: #19735a;
  --shadow: 0 12px 30px rgba(24, 33, 43, 0.08);
  --radius: 8px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  min-width: 320px;
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.5;
}

button,
input,
select {
  font: inherit;
}

a {
  color: inherit;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.85rem clamp(1rem, 3vw, 2.5rem);
  border-bottom: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(12px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  min-width: 0;
  text-decoration: none;
}

.brand-mark {
  display: grid;
  flex: 0 0 auto;
  width: 2.4rem;
  height: 2.4rem;
  place-items: center;
  border-radius: var(--radius);
  color: #fff;
  background: var(--teal);
  font-size: 0.78rem;
  font-weight: 850;
}

.brand-mark::before {
  content: "AA";
}

.brand strong,
.brand small {
  display: block;
}

.brand strong {
  font-size: 1rem;
  line-height: 1.1;
}

.brand small,
.eyebrow,
.hero-copy p,
.answer-panel p,
.content-card p,
.queue-card p,
.info-card p,
.method-item p,
.faq-item p,
.review-list,
.source-row span,
.site-footer,
.breadcrumb {
  color: var(--muted);
}

.brand small {
  font-size: 0.78rem;
  font-weight: 650;
}

.nav-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 0.2rem;
}

.nav-links a {
  min-height: 2rem;
  padding: 0.42rem 0.7rem;
  border-radius: var(--radius);
  color: var(--muted);
  font-size: 0.9rem;
  font-weight: 700;
  text-decoration: none;
}

.nav-links a:hover,
.nav-links a:focus-visible {
  color: var(--ink);
  background: var(--surface-soft);
  outline: none;
}

main {
  display: grid;
  gap: 2.2rem;
  width: min(100%, 1240px);
  margin-inline: auto;
  padding: clamp(1rem, 3vw, 2.5rem);
}

.hero-grid,
.detail-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(20rem, 0.64fr);
  gap: clamp(1rem, 2.5vw, 2rem);
  align-items: start;
}

.hero-grid {
  min-height: calc(100vh - 7rem);
  align-items: center;
}

.hero-copy,
.detail-hero {
  display: flex;
  flex-direction: column;
  justify-content: center;
  min-width: 0;
}

.detail-hero {
  gap: 1rem;
}

.hero-route,
.detail-route {
  display: none;
}

.answer-panel,
.side-panel,
.info-card,
.content-card,
.method-item,
.faq-item,
.source-row,
.search-shell,
.empty-state,
.empty-page,
.checkpoint-panel,
.checkpoint-mini {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  box-shadow: var(--shadow);
}

.hero-copy {
  padding-block: 1rem;
}

.answer-panel,
.side-panel {
  display: grid;
  gap: 1rem;
  padding: clamp(1rem, 2.4vw, 1.5rem);
}

.featured-poster {
  width: min(12rem, 100%);
  aspect-ratio: 2 / 3;
  object-fit: cover;
  border-radius: var(--radius);
}

.poster-strip {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.55rem;
}

.poster-strip img {
  width: 100%;
  aspect-ratio: 2 / 3;
  object-fit: cover;
  border-radius: var(--radius);
}

.eyebrow {
  margin: 0 0 0.5rem;
  font-size: 0.76rem;
  font-weight: 800;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  max-width: 14ch;
  margin-bottom: 1rem;
  font-size: 4.35rem;
  line-height: 0.98;
}

.detail-hero h1 {
  max-width: 18ch;
  font-size: 3.1rem;
}

h2 {
  margin-bottom: 0.65rem;
  font-size: 1.85rem;
  line-height: 1.12;
}

h3 {
  margin-bottom: 0.45rem;
  font-size: 1rem;
}

.hero-copy > p,
.detail-hero > p {
  max-width: 45rem;
  font-size: 1.06rem;
}

.search-shell {
  display: grid;
  gap: 0.7rem;
  max-width: 55rem;
  margin-top: 1.8rem;
  padding: 1rem;
  box-shadow: none;
}

.search-shell label {
  color: var(--ink);
  font-size: 0.9rem;
  font-weight: 750;
}

.search-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(10rem, auto) auto;
  gap: 0.65rem;
}

input[type="search"],
select {
  width: 100%;
  min-height: 3.1rem;
  padding: 0.7rem 0.85rem;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  color: var(--ink);
  background: #fff;
}

select {
  cursor: pointer;
}

input[type="search"]:focus,
select:focus {
  border-color: var(--teal);
  outline: 3px solid rgba(19, 124, 114, 0.16);
}

button,
.primary-link,
.source-link {
  min-height: 2.6rem;
  border-radius: var(--radius);
  font-weight: 760;
}

button,
.primary-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.7rem 1rem;
  border: 1px solid var(--teal);
  color: #fff;
  background: var(--teal);
  cursor: pointer;
  text-decoration: none;
}

button:hover,
.primary-link:hover {
  border-color: var(--teal-dark);
  background: var(--teal-dark);
}

.quick-searches {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
  margin-top: 1rem;
}

.quick-searches a {
  display: inline-flex;
  align-items: center;
  min-height: 2rem;
  padding: 0.32rem 0.68rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: #fff;
  color: var(--ink);
  font-size: 0.86rem;
  font-weight: 750;
  text-decoration: none;
}

.quick-searches a:hover {
  border-color: var(--teal);
  color: var(--teal-dark);
  background: var(--surface-soft);
}

.answer-main {
  padding: 1rem;
  border: 1px solid rgba(19, 124, 114, 0.22);
  border-radius: var(--radius);
  background: var(--surface-soft);
}

.answer-main.compact {
  padding: 0.8rem;
}

.answer-main span {
  display: block;
  color: var(--muted);
  font-size: 0.82rem;
  font-weight: 750;
  text-transform: uppercase;
}

.answer-main strong {
  display: block;
  font-size: 2rem;
  line-height: 1.08;
}

.answer-main.compact strong {
  font-size: 1.08rem;
}

.checkpoint-panel {
  display: grid;
  gap: 0.8rem;
  padding: 0.9rem;
  box-shadow: none;
}

.checkpoint-head {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 0.5rem;
  align-items: baseline;
  padding-bottom: 0.65rem;
  border-bottom: 1px solid var(--line);
}

.checkpoint-head span,
.checkpoint-list span,
.checkpoint-mini span {
  color: var(--muted);
  font-size: 0.75rem;
  font-weight: 800;
  text-transform: uppercase;
}

.checkpoint-head strong {
  font-size: 0.9rem;
}

.checkpoint-list,
.checkpoint-mini {
  margin: 0;
  padding: 0;
  list-style: none;
}

.checkpoint-list {
  display: grid;
  gap: 0.45rem;
}

.checkpoint-list li,
.checkpoint-mini li {
  display: grid;
  gap: 0.25rem;
  min-width: 0;
}

.checkpoint-list li {
  grid-template-columns: minmax(7rem, 0.5fr) minmax(0, 1fr) auto;
  align-items: center;
  padding: 0.65rem;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: #fff;
}

.checkpoint-list li.current {
  border-color: rgba(19, 124, 114, 0.35);
  background: var(--surface-soft);
}

.checkpoint-list em {
  color: var(--teal-dark);
  font-size: 0.75rem;
  font-style: normal;
  font-weight: 800;
  text-transform: uppercase;
}

.checkpoint-mini {
  display: grid;
  gap: 0;
  overflow: hidden;
  box-shadow: none;
}

.checkpoint-mini li {
  grid-template-columns: minmax(5.8rem, 0.48fr) minmax(0, 1fr);
  align-items: center;
  padding: 0.5rem 0.65rem;
  border-bottom: 1px solid var(--line);
}

.checkpoint-mini li:last-child {
  border-bottom: 0;
}

.checkpoint-mini li.current {
  background: var(--surface-soft);
}

.card-checkpoints {
  margin-top: 0.75rem;
}

.content-band {
  padding-block: 0.25rem;
}

.directory-hero,
.share-strip {
  display: grid;
  gap: 1rem;
  padding: clamp(1.1rem, 3vw, 2rem);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  box-shadow: var(--shadow);
}

.directory-hero {
  grid-template-columns: minmax(0, 1fr) minmax(19rem, 0.62fr);
  align-items: center;
}

.directory-hero h1 {
  max-width: 18ch;
  font-size: 3.25rem;
}

.compact-search {
  margin-top: 0;
}

.compact-search .search-row {
  grid-template-columns: minmax(0, 1fr) auto;
}

.directory-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
}

.directory-card {
  display: grid;
  gap: 0.75rem;
  padding: 1rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
}

.directory-list {
  display: grid;
  gap: 0.5rem;
}

.directory-list a {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  align-items: center;
  padding: 0.65rem 0;
  border-bottom: 1px solid var(--line);
  text-decoration: none;
}

.directory-list a:last-child {
  border-bottom: 0;
}

.directory-list a:hover span {
  color: var(--teal-dark);
}

.directory-list span {
  font-weight: 750;
}

.directory-list small {
  flex: 0 0 auto;
  color: var(--muted);
  font-weight: 700;
}

.share-strip {
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  box-shadow: none;
}

.share-strip h2 {
  margin-bottom: 0;
}

.share-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 0.5rem;
}

.section-heading {
  display: grid;
  gap: 0.2rem;
  margin-bottom: 1rem;
}

.section-heading h2 {
  margin-bottom: 0;
}

.card-grid,
.queue-grid,
.detail-grid,
.method-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
}

.card-grid.small {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.detail-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.content-card,
.queue-card,
.method-item,
.faq-item {
  display: grid;
  gap: 0.85rem;
  min-width: 0;
}

.content-card {
  align-content: start;
  overflow: hidden;
  padding: 0;
  box-shadow: none;
}

.card-poster {
  display: block;
  border-bottom: 1px solid var(--line);
  background: #e8edf2;
  text-decoration: none;
}

.card-poster img {
  display: block;
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
}

.card-body,
.content-card > .answer-main,
.content-card > .chip-row {
  margin-inline: 1rem;
}

.card-body {
  padding-top: 1rem;
}

.content-card > .chip-row {
  padding-bottom: 1rem;
}

.method-item,
.faq-item,
.info-card {
  padding: 1.1rem;
  box-shadow: none;
}

.method-item span {
  display: grid;
  width: 2rem;
  height: 2rem;
  place-items: center;
  border-radius: 50%;
  color: #fff;
  background: var(--teal);
  font-size: 0.82rem;
  font-weight: 800;
}

.content-card h3 a {
  text-decoration: none;
}

.content-card h3 a:hover {
  color: var(--teal-dark);
}

.chip-row,
.source-list,
.link-stack,
.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  align-items: center;
}

.chip {
  display: inline-flex;
  align-items: center;
  min-height: 1.75rem;
  padding: 0.24rem 0.55rem;
  border-radius: 999px;
  color: var(--muted);
  background: #eef2f5;
  font-size: 0.76rem;
  font-weight: 750;
}

.chip.high {
  color: var(--green);
  background: rgba(25, 115, 90, 0.12);
}

.chip.medium {
  color: var(--amber);
  background: rgba(159, 107, 22, 0.12);
}

.chip.low {
  color: var(--red);
  background: rgba(201, 79, 68, 0.12);
}

.source-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.55rem 0.7rem;
  border: 1px solid var(--line);
  color: var(--ink);
  background: #fff;
  text-decoration: none;
  font-size: 0.9rem;
}

.source-link:hover {
  border-color: var(--teal);
  color: var(--teal-dark);
  background: var(--surface-soft);
}

.review-list {
  display: grid;
  gap: 0.7rem;
  margin: 0;
}

.review-list div {
  display: grid;
  grid-template-columns: minmax(8rem, 0.8fr) minmax(0, 1fr);
  gap: 0.75rem;
  align-items: baseline;
  padding-bottom: 0.55rem;
  border-bottom: 1px solid var(--line);
}

.review-list div:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.review-list dt,
.source-row span {
  font-size: 0.76rem;
  font-weight: 800;
  text-transform: uppercase;
}

.review-list dd {
  margin: 0;
  color: var(--ink);
  font-weight: 720;
}

.source-ledger,
.faq-list,
.search-link-grid {
  display: grid;
  gap: 0.75rem;
}

.search-link-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.search-link-grid a {
  padding: 0.86rem 1rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
  color: var(--ink);
  font-weight: 750;
  text-decoration: none;
}

.search-link-grid a:hover {
  border-color: var(--teal);
  color: var(--teal-dark);
  background: var(--surface-soft);
}

.detail-hero-grid {
  display: grid;
  grid-template-columns: minmax(7rem, 10rem) minmax(0, 1fr);
  gap: 1.1rem;
  align-items: end;
}

.detail-poster {
  width: 100%;
  aspect-ratio: 2 / 3;
  object-fit: cover;
  border-radius: var(--radius);
}

.source-row {
  display: grid;
  gap: 0.2rem;
  padding: 0.85rem 1rem;
  box-shadow: none;
  text-decoration: none;
}

.source-row:hover {
  border-color: var(--teal);
  background: var(--surface-soft);
}

.queue-card span {
  color: var(--teal-dark);
  font-size: 0.78rem;
  font-weight: 800;
  text-transform: uppercase;
}

.queue-card small {
  color: var(--muted);
  font-weight: 750;
}

.link-stack {
  align-items: stretch;
  flex-direction: column;
}

.link-stack h3 {
  margin-top: 0.7rem;
}

.empty-state,
.empty-page {
  max-width: 44rem;
  padding: 1.2rem;
  box-shadow: none;
}

.info-card a {
  overflow-wrap: anywhere;
}

.site-footer {
  width: min(100%, 1240px);
  margin-inline: auto;
  padding: 0 2rem 2rem;
  text-align: center;
  font-size: 0.9rem;
}

@media (max-width: 1080px) {
  .hero-grid,
  .detail-layout {
    grid-template-columns: 1fr;
    min-height: auto;
  }

  h1 {
    max-width: 15ch;
    font-size: 3.6rem;
  }

  .detail-hero h1 {
    font-size: 2.75rem;
  }

  .card-grid,
  .card-grid.small,
  .queue-grid,
  .method-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 720px) {
  .topbar {
    align-items: flex-start;
    flex-direction: column;
  }

  .nav-links {
    justify-content: flex-start;
  }

  main {
    gap: 1.5rem;
    padding: 0.85rem;
  }

  h1 {
    font-size: 2.8rem;
  }

  .detail-hero h1 {
    font-size: 2.25rem;
  }

  h2 {
    font-size: 1.45rem;
  }

  .hero-copy > p,
  .detail-hero > p {
    font-size: 1rem;
  }

  .search-row,
  .card-grid,
  .card-grid.small,
  .queue-grid,
  .method-grid,
  .detail-grid,
  .search-link-grid,
  .directory-hero,
  .directory-grid,
  .share-strip,
  .detail-hero-grid,
  .checkpoint-list li,
  .checkpoint-mini li {
    grid-template-columns: 1fr;
  }

  .directory-hero h1 {
    font-size: 2.4rem;
  }

  .share-actions {
    justify-content: flex-start;
  }

  .search-shell {
    padding: 0.85rem;
  }

  .answer-main strong {
    font-size: 1.5rem;
  }

  .detail-poster {
    max-width: 11rem;
  }

  .review-list div {
    grid-template-columns: 1fr;
  }
}