/* fable-5.ai - independent Claude Fable 5 field guide */
:root {
  --paper: #f7f3ea;
  --paper-deep: #ebe2d3;
  --panel: #fffaf0;
  --panel-strong: #ead7bd;
  --ink: #181714;
  --ink-soft: #3d3a34;
  --ink-muted: #756e61;
  --clay: #d97757;
  --clay-dark: #9f4f34;
  --moss: #52664d;
  --blue: #2d607f;
  --rule: #d9cfc0;
  --max: 1180px;
  --serif: Georgia, "Times New Roman", Times, serif;
  --sans: "Avenir Next", Avenir, "Helvetica Neue", Helvetica, Arial, sans-serif;
  --mono: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--serif);
  font-size: 18px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

a {
  color: inherit;
}

.container {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 24px;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 30;
  background: rgba(247, 243, 234, 0.94);
  border-bottom: 1px solid var(--rule);
  backdrop-filter: blur(14px);
}

.nav {
  min-height: 68px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--sans);
  font-weight: 800;
  text-decoration: none;
  letter-spacing: 0;
}

.mark,
.brand-icon {
  width: 28px;
  height: 28px;
}

.mark {
  display: inline-grid;
  place-items: center;
  border-radius: 50%;
  background: var(--ink);
  color: var(--paper);
  font-family: var(--serif);
  font-style: italic;
}

.brand-icon {
  display: block;
  border-radius: 6px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 28px;
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-links a {
  font-family: var(--sans);
  font-size: 15px;
  font-weight: 600;
  text-decoration: none;
  color: var(--ink-soft);
}

.nav-links a:hover,
.nav-links a[aria-current="page"] {
  color: var(--ink);
  text-decoration: underline;
  text-underline-offset: 5px;
}

.nav-toggle {
  display: none;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  border: 1px solid var(--ink);
  border-radius: 8px;
  padding: 10px 18px;
  background: var(--ink);
  color: var(--paper);
  font-family: var(--sans);
  font-size: 15px;
  font-weight: 700;
  text-decoration: none;
  transition: transform 150ms ease, background 150ms ease;
}

.btn:hover {
  transform: translateY(-1px);
  background: #2c2a25;
}

.btn.secondary {
  background: transparent;
  color: var(--ink);
}

.eyebrow,
.tag,
.pill,
.meta,
.source-kicker {
  font-family: var(--sans);
}

.eyebrow {
  display: inline-block;
  color: var(--clay-dark);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 14px;
}

.pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  border: 1px solid rgba(45, 96, 127, 0.24);
  background: #dfe8e6;
  color: var(--blue);
  border-radius: 999px;
  padding: 6px 13px;
  font-size: 13px;
  font-weight: 700;
}

.hero {
  padding: 86px 0 48px;
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 7fr) minmax(320px, 5fr);
  gap: 62px;
  align-items: end;
}

h1,
.h1 {
  font-family: var(--sans);
  font-size: clamp(3rem, 7vw, 6.4rem);
  line-height: 0.98;
  letter-spacing: 0;
  margin: 22px 0 0;
}

.hero-sub {
  font-size: clamp(1.28rem, 2.1vw, 1.9rem);
  line-height: 1.28;
  margin: 0 0 26px;
  color: var(--ink-soft);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

section {
  padding: 58px 0;
}

.announcement {
  background: var(--panel-strong);
  border: 1px solid rgba(24, 23, 20, 0.06);
  border-radius: 8px;
  display: grid;
  grid-template-columns: minmax(0, 1fr) 360px;
  gap: 36px;
  align-items: stretch;
  padding: clamp(28px, 5vw, 58px);
}

.announcement h2,
.section-title {
  font-family: var(--sans);
  letter-spacing: 0;
  line-height: 1.05;
}

.announcement h2 {
  font-size: clamp(2.3rem, 5vw, 4.8rem);
  margin: 0 0 18px;
}

.announcement p {
  color: var(--ink-soft);
  margin: 0 0 22px;
  max-width: 650px;
}

.source-box {
  background: rgba(255, 250, 240, 0.62);
  border: 1px solid rgba(24, 23, 20, 0.08);
  border-radius: 8px;
  padding: 24px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.source-kicker {
  color: var(--ink-muted);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.source-box strong {
  display: block;
  font-family: var(--sans);
  font-size: 34px;
  line-height: 1;
  margin: 16px 0 8px;
}

.source-box small {
  color: var(--ink-muted);
  font-family: var(--sans);
  line-height: 1.45;
}

.section-title {
  font-size: clamp(2rem, 4vw, 3.25rem);
  margin: 0 0 12px;
}

.section-lede {
  max-width: 760px;
  color: var(--ink-soft);
  font-size: 1.18rem;
  margin: 0 0 34px;
}

.grid-2,
.grid-3,
.stats {
  display: grid;
  gap: 22px;
}

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

.grid-3 {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.stats {
  grid-template-columns: repeat(4, minmax(0, 1fr));
  background: var(--paper-deep);
  border: 1px solid var(--rule);
  border-radius: 8px;
  padding: 36px;
}

.stat strong {
  display: block;
  font-family: var(--sans);
  font-size: clamp(2rem, 4vw, 3.2rem);
  line-height: 1;
  margin-bottom: 9px;
}

.stat span {
  color: var(--ink-muted);
  font-family: var(--sans);
  font-size: 14px;
  line-height: 1.35;
}

.card {
  background: var(--paper-deep);
  border: 1px solid rgba(24, 23, 20, 0.06);
  border-radius: 8px;
  color: inherit;
  display: block;
  min-height: 100%;
  padding: 26px;
  text-decoration: none;
  transition: box-shadow 150ms ease, transform 150ms ease;
}

.card:hover {
  box-shadow: 0 10px 30px rgba(24, 23, 20, 0.08);
  transform: translateY(-2px);
}

.tag {
  display: inline-block;
  background: rgba(217, 119, 87, 0.14);
  color: var(--clay-dark);
  border-radius: 999px;
  padding: 4px 10px;
  font-size: 12px;
  font-weight: 800;
  margin-bottom: 14px;
}

.card h3 {
  font-family: var(--sans);
  font-size: 1.32rem;
  line-height: 1.18;
  margin: 0 0 10px;
}

.card p {
  color: var(--ink-soft);
  font-size: 16px;
  margin: 0;
}

.meta {
  display: block;
  color: var(--ink-muted);
  font-size: 13px;
  margin-top: 16px;
}

.answer {
  border-top: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
  padding: 30px 0;
}

.answer p {
  color: var(--ink-soft);
  font-size: 1.2rem;
  margin: 0;
}

code {
  font-family: var(--mono);
  font-size: 0.88em;
  background: rgba(24, 23, 20, 0.06);
  border-radius: 5px;
  padding: 2px 6px;
}

.table-wrap {
  overflow-x: auto;
  border: 1px solid var(--rule);
  border-radius: 8px;
}

table {
  width: 100%;
  border-collapse: collapse;
  background: #fffdf8;
  font-family: var(--sans);
  font-size: 15px;
}

th,
td {
  text-align: left;
  padding: 14px 16px;
  border-bottom: 1px solid var(--rule);
}

th {
  background: var(--paper-deep);
  white-space: nowrap;
}

tr:last-child td {
  border-bottom: 0;
}

.page-head {
  padding: 74px 0 28px;
}

.page-head h1 {
  font-family: var(--sans);
  font-size: clamp(2.8rem, 6vw, 5.4rem);
}

.article {
  max-width: 820px;
  margin: 0 auto;
  padding: 56px 24px 84px;
}

.article h1 {
  font-family: var(--sans);
  font-size: clamp(2.5rem, 5vw, 4.8rem);
}

.prose h2 {
  font-family: var(--sans);
  font-size: 1.75rem;
  line-height: 1.16;
  margin: 44px 0 14px;
}

.prose h3 {
  font-family: var(--sans);
  font-size: 1.2rem;
  margin: 28px 0 10px;
}

.prose p,
.prose li {
  color: var(--ink-soft);
}

.prose a {
  color: var(--clay-dark);
  text-underline-offset: 4px;
}

.prose .note {
  background: var(--paper-deep);
  border: 1px solid var(--rule);
  border-radius: 8px;
  padding: 18px 20px;
}

.faq-item {
  border-bottom: 1px solid var(--rule);
  padding: 22px 0;
}

.faq-item h3,
.faq-item summary {
  font-family: var(--sans);
  font-weight: 800;
  cursor: pointer;
}

.faq-item p {
  color: var(--ink-soft);
  margin-bottom: 0;
}

.cta {
  background: var(--ink);
  color: var(--paper);
  border-radius: 8px;
  padding: clamp(34px, 6vw, 62px);
  text-align: center;
}

.cta h2 {
  font-family: var(--sans);
  font-size: clamp(1.9rem, 4vw, 3rem);
  margin: 0 0 12px;
}

.cta p {
  color: #ccc2b1;
  margin: 0 auto 22px;
  max-width: 650px;
}

.cta .btn {
  background: var(--paper);
  color: var(--ink);
}

.site-footer {
  margin-top: 56px;
  border-top: 1px solid var(--rule);
  background: var(--paper-deep);
  padding: 50px 0 34px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 34px;
}

.footer-grid h4 {
  font-family: var(--sans);
  margin: 0 0 12px;
}

.footer-grid p,
.footer-grid a,
.footer-bottom {
  color: var(--ink-muted);
  font-family: var(--sans);
  font-size: 14px;
}

.footer-grid ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

.footer-grid li {
  margin-bottom: 8px;
}

.footer-grid a {
  text-decoration: none;
}

.footer-grid a:hover {
  color: var(--ink);
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  border-top: 1px solid var(--rule);
  margin-top: 34px;
  padding-top: 20px;
}

@media (max-width: 920px) {
  .hero-grid,
  .announcement,
  .grid-2,
  .grid-3,
  .footer-grid {
    grid-template-columns: 1fr;
  }

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

  .nav-toggle {
    display: inline-flex;
    background: transparent;
    border: 1px solid var(--rule);
    border-radius: 8px;
    padding: 8px 12px;
    font-family: var(--sans);
    font-weight: 700;
  }

  .nav-links {
    display: none;
  }

  .nav-links.open {
    display: flex;
    position: absolute;
    left: 0;
    right: 0;
    top: 69px;
    padding: 20px 24px;
    flex-direction: column;
    align-items: flex-start;
    background: var(--paper);
    border-bottom: 1px solid var(--rule);
  }
}

@media (max-width: 620px) {
  body {
    font-size: 17px;
  }

  .container {
    padding: 0 18px;
  }

  .hero {
    padding-top: 54px;
  }

  h1,
  .h1 {
    font-size: clamp(2.7rem, 14vw, 4rem);
  }

  .stats {
    grid-template-columns: 1fr;
    padding: 26px;
  }

  .source-box strong {
    font-size: 28px;
  }
}