/* ============================================================
   O Conto — Global Stylesheet
   AMP / Claude aesthetic: narrow, typographic, classical
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=EB+Garamond:ital,wght@0,400;0,500;0,600;1,400;1,500&family=Inter:wght@300;400;500&display=swap');

/* ── Custom properties ──────────────────────────────────────── */

:root {
  --bg:          #faf8f5;
  --bg-alt:      #f2ede6;
  --text:        #1a1714;
  --text-muted:  #6b6460;
  --gold:        #a07830;
  --gold-light:  #c8a050;
  --border:      #ddd8cf;
  --nav-bg:      rgba(250, 248, 245, 0.92);

  --font-serif:  'EB Garamond', Georgia, 'Times New Roman', serif;
  --font-sans:   'Inter', system-ui, sans-serif;

  --measure:     640px;
  --nav-h:       52px;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg:          #0f0e0c;
    --bg-alt:      #1a1814;
    --text:        #e8e4dc;
    --text-muted:  #8a8480;
    --gold:        #c8a050;
    --gold-light:  #e0c080;
    --border:      #2e2c28;
    --nav-bg:      rgba(15, 14, 12, 0.92);
  }
}

/* ── Reset ──────────────────────────────────────────────────── */

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 18px;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-serif);
  line-height: 1.6;
  min-height: 100dvh;
}

/* ── Navigation bar ─────────────────────────────────────────── */

.nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--nav-bg);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);
  height: var(--nav-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 1.5rem;
}

.nav a,
.nav span {
  font-family: var(--font-sans);
  font-size: 0.78rem;
  font-weight: 400;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-muted);
  text-decoration: none;
  transition: color 0.15s;
}

.nav a:hover {
  color: var(--gold);
}

.nav-center {
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  color: var(--text-muted);
  text-align: center;
  flex: 1;
  padding: 0 1rem;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.nav-arrow {
  min-width: 5rem;
}

.nav-arrow.right {
  text-align: right;
}

/* ── Page wrapper ───────────────────────────────────────────── */

.page {
  max-width: var(--measure);
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* ── Landing hero ───────────────────────────────────────────── */

.hero {
  padding: 5rem 0 3rem;
  text-align: center;
}

.hero-eyebrow {
  font-family: var(--font-sans);
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 1.5rem;
}

.hero-title {
  font-family: var(--font-serif);
  font-size: clamp(3.5rem, 10vw, 6rem);
  font-weight: 400;
  line-height: 1;
  letter-spacing: -0.01em;
  color: var(--text);
  margin-bottom: 0.5rem;
}

.hero-subtitle {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: clamp(1rem, 2.5vw, 1.3rem);
  color: var(--text-muted);
  margin-bottom: 3rem;
  font-weight: 400;
}

/* ── Epigraph ───────────────────────────────────────────────── */

.epigraph {
  border-left: 2px solid var(--gold);
  margin: 0 auto 3.5rem;
  padding: 1.25rem 1.75rem;
  max-width: 520px;
  text-align: left;
}

.epigraph p {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 1.05rem;
  line-height: 1.85;
  color: var(--text);
}

.epigraph cite {
  display: block;
  margin-top: 0.75rem;
  font-family: var(--font-sans);
  font-size: 0.72rem;
  font-style: normal;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-muted);
}

/* ── Divider ornament ───────────────────────────────────────── */

.ornament {
  text-align: center;
  color: var(--gold);
  font-size: 1rem;
  letter-spacing: 0.5em;
  margin: 2.5rem 0;
  opacity: 0.5;
}

.ornament::before {
  content: '✦ ✦ ✦';
}

/* ── Description prose (landing) ───────────────────────────── */

.description-block {
  margin-bottom: 1rem;
}

.description {
  font-family: var(--font-serif);
  font-size: 1.08rem;
  line-height: 1.9;
  color: var(--text);
  margin-bottom: 1.5rem;
  text-align: left;
}

.description em {
  font-style: italic;
}

/* ── Canto index (landing) ──────────────────────────────────── */

.canto-index {
  margin-bottom: 6rem;
}

.canto-index-heading {
  font-family: var(--font-sans);
  font-size: 0.68rem;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 1.5rem;
}

.canto-list {
  list-style: none;
  border-top: 1px solid var(--border);
}

.canto-item {
  border-bottom: 1px solid var(--border);
}

.canto-link {
  display: flex;
  align-items: baseline;
  gap: 1.25rem;
  padding: 1.1rem 0;
  text-decoration: none;
  color: var(--text);
  transition: color 0.15s;
}

.canto-link:hover {
  color: var(--gold);
}

.canto-link:hover .canto-num {
  color: var(--gold);
}

.canto-num {
  font-family: var(--font-sans);
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  color: var(--text-muted);
  min-width: 2.5rem;
  text-transform: uppercase;
  transition: color 0.15s;
  flex-shrink: 0;
}

.canto-info {
  flex: 1;
  min-width: 0;
}

.canto-title {
  font-family: var(--font-serif);
  font-size: 1.1rem;
  font-style: italic;
  font-weight: 400;
  line-height: 1.3;
  display: block;
}

.canto-summary {
  font-family: var(--font-sans);
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-top: 0.35rem;
  line-height: 1.55;
  font-weight: 300;
}

.canto-arrow {
  font-family: var(--font-sans);
  font-size: 0.85rem;
  color: var(--border);
  flex-shrink: 0;
  transition: color 0.15s, transform 0.15s;
}

.canto-link:hover .canto-arrow {
  color: var(--gold);
  transform: translateX(3px);
}

/* ── Sources section (landing) ──────────────────────────────── */

.sources-block {
  margin-bottom: 5rem;
}

.sources-heading {
  font-family: var(--font-sans);
  font-size: 0.68rem;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 1.5rem;
}

.sources-list {
  border-top: 1px solid var(--border);
}

.sources-list dt {
  font-family: var(--font-serif);
  font-size: 1rem;
  font-style: italic;
  font-weight: 400;
  color: var(--text);
  padding-top: 1.25rem;
  margin-bottom: 0.4rem;
}

.sources-list dd {
  font-family: var(--font-sans);
  font-size: 0.8rem;
  font-weight: 300;
  line-height: 1.65;
  color: var(--text-muted);
  margin-left: 0;
  padding-bottom: 1.25rem;
  border-bottom: 1px solid var(--border);
}

.sources-list dd em {
  font-style: italic;
  color: var(--text);
}

/* ── Canto reader page ──────────────────────────────────────── */

.canto-header {
  padding: 4rem 0 2.5rem;
  text-align: center;
  border-bottom: 1px solid var(--border);
  margin-bottom: 3.5rem;
}

.canto-eyebrow {
  font-family: var(--font-sans);
  font-size: 0.68rem;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 1rem;
}

.canto-page-title {
  font-family: var(--font-serif);
  font-size: clamp(2rem, 6vw, 3.25rem);
  font-weight: 400;
  line-height: 1.15;
  letter-spacing: -0.01em;
}

.canto-page-subtitle {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 1.15rem;
  color: var(--text-muted);
  margin-top: 0.5rem;
}

/* ── Markdown-rendered verse ────────────────────────────────── */

#canto-body {
  padding-bottom: 5rem;
}

/* Hide the raw h1 and h2 that come from the markdown */
#canto-body h1,
#canto-body h2 {
  display: none;
}

/* Stanza number paragraphs (class added by JS after render) */
#canto-body p.stanza-num {
  font-family: var(--font-sans);
  font-size: 0.65rem;
  font-weight: 500;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--gold);
  margin-top: 3.5rem;
  margin-bottom: 0.9rem;
  text-align: center;
}

#canto-body p.stanza-num strong {
  font-weight: 500;
  color: inherit;
}

/* First stanza number: no extra top margin */
#canto-body p.stanza-num:first-of-type {
  margin-top: 0;
}

/* Verse lines — stanza is one <p> with <br> between lines (breaks:true) */
#canto-body > p:not(.stanza-num) {
  font-family: var(--font-serif);
  font-size: 1.08rem;
  line-height: 2;
  color: var(--text);
  margin-bottom: 0;
  white-space: normal;
}

/* ── Loading state ──────────────────────────────────────────── */

.loading {
  text-align: center;
  font-family: var(--font-sans);
  font-size: 0.8rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-muted);
  padding: 4rem 0;
}

/* ── Canto footer nav ───────────────────────────────────────── */

.canto-footer-nav {
  border-top: 1px solid var(--border);
  padding: 2rem 0 4rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
}

.canto-footer-nav a {
  font-family: var(--font-sans);
  font-size: 0.78rem;
  font-weight: 400;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-muted);
  text-decoration: none;
  transition: color 0.15s;
}

.canto-footer-nav a:hover {
  color: var(--gold);
}

.canto-footer-nav .home-link {
  text-align: center;
  color: var(--gold);
  font-size: 0.7rem;
  letter-spacing: 0.15em;
}

/* ── Site footer ────────────────────────────────────────────── */

.site-footer {
  border-top: 1px solid var(--border);
  padding: 2.5rem 0;
  text-align: center;
}

.site-footer p {
  font-family: var(--font-sans);
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  line-height: 1.8;
}

/* ── Utility ────────────────────────────────────────────────── */

::selection {
  background: var(--gold);
  color: var(--bg);
}

a:focus-visible {
  outline: 2px solid var(--gold);
  outline-offset: 3px;
  border-radius: 2px;
}

@media (max-width: 480px) {
  .nav {
    padding: 0 1rem;
  }
  .page {
    padding: 0 1.1rem;
  }
  .hero {
    padding: 3.5rem 0 2rem;
  }
  .canto-summary {
    display: none;
  }
}