/* ============================================================
   OF COURSE IT WENT WRONG — custom stylesheet
   ============================================================ */

:root {
  --bg: #fafaf8;
  --surface: #ffffff;
  --ink: #18181b;
  --ink-muted: #71717a;
  --ink-faint: #a1a1aa;
  --border: #e4e4e7;
  --wrong: #991b1b;
  --wrong-light: #fef2f2;
  --right: #166534;
  --right-light: #f0fdf4;
  --accent: #991b1b;
  --reading-width: 680px;
  --site-width: 1100px;
  --radius: 6px;
  --font-serif: 'Playfair Display', Georgia, serif;
  --font-body: 'Source Serif 4', Georgia, serif;
  --font-ui: 'Inter', system-ui, sans-serif;
}

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

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 18px;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
}

/* ── CONTAINER ─────────────────────────────────────────── */

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

.container--reading {
  max-width: var(--reading-width);
}

/* ── HEADER ─────────────────────────────────────────────── */

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  height: 60px;
}

.site-brand {
  font-family: var(--font-serif);
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--ink);
  text-decoration: none;
  white-space: nowrap;
  flex-shrink: 0;
}

.site-brand:hover { color: var(--accent); }

.site-nav {
  display: flex;
  gap: 28px;
  align-items: center;
}

.site-nav a {
  font-family: var(--font-ui);
  font-size: 0.82rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  color: var(--ink-muted);
  text-decoration: none;
  transition: color 0.15s;
}

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

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}

.nav-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--ink);
  border-radius: 2px;
  transition: transform 0.2s, opacity 0.2s;
}

/* ── HOMEPAGE ───────────────────────────────────────────── */

.home-page {
  padding: 80px 0 100px;
}

.home-hero {
  max-width: var(--reading-width);
  margin: 0 auto 64px;
  padding: 0 24px;
}

.home-eyebrow {
  font-family: var(--font-ui);
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--wrong);
  margin-bottom: 16px;
}

.home-title {
  font-family: var(--font-serif);
  font-size: clamp(2.4rem, 5vw, 3.8rem);
  line-height: 1.1;
  margin: 0 0 24px;
  font-weight: 600;
}

.home-intro {
  font-size: 1.1rem;
  line-height: 1.7;
  color: var(--ink-muted);
  max-width: 55ch;
  margin: 0 0 40px;
}

.home-series-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  max-width: var(--site-width);
  margin: 0 auto 64px;
  padding: 0 24px;
}

.series-card {
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 32px;
  background: var(--surface);
  text-decoration: none;
  color: inherit;
  transition: box-shadow 0.2s, transform 0.2s;
}

.series-card:hover {
  box-shadow: 0 8px 24px rgba(0,0,0,0.08);
  transform: translateY(-2px);
  text-decoration: none;
}

.series-card--wrong { border-top: 3px solid var(--wrong); }
.series-card--right { border-top: 3px solid var(--right); }

.series-card--soon {
  cursor: default;
  opacity: 0.55;
  position: relative;
}

.series-card--soon:hover {
  box-shadow: none;
  transform: none;
}

.series-card-soon-badge {
  display: inline-block;
  font-family: var(--font-ui);
  font-size: 0.68rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--ink-muted);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 2px 8px;
  margin-bottom: 10px;
}

.series-card-label {
  font-family: var(--font-ui);
  font-size: 0.72rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 10px;
}

.series-card--wrong .series-card-label { color: var(--wrong); }
.series-card--right .series-card-label { color: var(--right); }

.series-card-title {
  font-family: var(--font-serif);
  font-size: 1.4rem;
  font-weight: 600;
  margin: 0 0 12px;
  line-height: 1.2;
}

.series-card-desc {
  font-size: 0.95rem;
  color: var(--ink-muted);
  margin: 0 0 20px;
  line-height: 1.6;
}

.series-card-count {
  font-family: var(--font-ui);
  font-size: 0.8rem;
  color: var(--ink-faint);
}

/* ── CHAPTER LIST PAGE ──────────────────────────────────── */

.chapters-page, .categories-page {
  padding: 64px 0 100px;
}

.page-header {
  max-width: var(--site-width);
  margin: 0 auto 48px;
  padding: 0 24px;
  border-bottom: 1px solid var(--border);
  padding-bottom: 32px;
}

.page-header h1 {
  font-family: var(--font-serif);
  font-size: clamp(1.8rem, 3vw, 2.6rem);
  margin: 0 0 8px;
}

.page-header p {
  font-size: 1rem;
  color: var(--ink-muted);
  margin: 0;
}

.chapters-section {
  max-width: var(--site-width);
  margin: 0 auto 48px;
  padding: 0 24px;
}

.chapters-section-heading {
  font-family: var(--font-ui);
  font-size: 0.72rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  margin: 0 0 20px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--border);
}

.chapters-section--wrong .chapters-section-heading { color: var(--wrong); border-color: var(--wrong); }
.chapters-section--right .chapters-section-heading { color: var(--right); border-color: var(--right); }

.chapters-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 0;
}

.chapters-list li {
  border-bottom: 1px solid var(--border);
  padding: 16px 0;
}

.chapters-list li:first-child { border-top: 1px solid var(--border); }

.chapter-topline {
  display: flex;
  align-items: baseline;
  gap: 10px;
}

.chapter-order {
  font-family: var(--font-ui);
  font-size: 0.8rem;
  color: var(--ink-faint);
  min-width: 28px;
  flex-shrink: 0;
}

.chapter-title a {
  font-family: var(--font-serif);
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--ink);
  text-decoration: none;
}

.chapter-title a:hover { color: var(--accent); }

.chapter-title--stub {
  font-family: var(--font-serif);
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--ink-faint);
}

.chapter-item--stub {
  opacity: 0.5;
}

.chapter-meta {
  font-family: var(--font-ui);
  font-size: 0.78rem;
  color: var(--ink-faint);
  margin-top: 4px;
  padding-left: 38px;
}

.chapter-meta--stub {
  font-family: var(--font-ui);
  font-size: 0.78rem;
  color: var(--ink-faint);
  margin-top: 4px;
  padding-left: 38px;
}

.chapter-summary {
  font-size: 0.9rem;
  color: var(--ink-muted);
  margin-top: 4px;
  padding-left: 38px;
  line-height: 1.5;
}

.chapter-summary--stub {
  font-size: 0.9rem;
  color: var(--ink-faint);
  margin-top: 4px;
  padding-left: 38px;
  line-height: 1.5;
}

/* ── SERIES COMING SOON BLOCK ────────────────────────────── */

.chapters-section--soon {
  opacity: 0.6;
}

.series-soon-block {
  padding: 24px;
  border: 1px dashed var(--border);
  border-radius: var(--radius);
  background: var(--surface);
}

.series-soon-title {
  font-family: var(--font-ui);
  font-size: 0.78rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--ink-faint);
  margin: 0 0 6px;
}

.series-soon-desc {
  font-size: 0.9rem;
  color: var(--ink-muted);
  margin: 0;
  line-height: 1.6;
}

/* ── CATEGORIES PAGE ────────────────────────────────────── */

.categories-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 20px;
  max-width: var(--site-width);
  margin: 0 auto;
  padding: 0 24px;
}

.category-card {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  background: var(--surface);
}

.category-card h3 {
  font-family: var(--font-serif);
  font-size: 1.1rem;
  margin: 0 0 12px;
}

.category-card ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.category-card ul li {
  padding: 8px 0;
  border-top: 1px solid var(--border);
  font-size: 0.9rem;
}

.category-card ul li a {
  color: var(--ink);
  text-decoration: none;
}

.category-card ul li a:hover { color: var(--accent); }

.category-card ul li .ch-summary {
  display: block;
  font-size: 0.82rem;
  color: var(--ink-muted);
  margin-top: 2px;
}

/* ── CHAPTER PAGE ───────────────────────────────────────── */

.chapter-page {
  padding: 60px 0 100px;
}

.chapter-series {
  font-family: var(--font-ui);
  font-size: 0.72rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 16px;
}

.series-wrong { color: var(--wrong); }
.series-right { color: var(--right); }

.chapter-series-sep {
  margin: 0 8px;
  opacity: 0.4;
}

.chapter-title {
  font-family: var(--font-serif);
  font-size: clamp(1.9rem, 4vw, 2.8rem);
  line-height: 1.15;
  margin: 0 0 16px;
  font-weight: 600;
}

.chapter-summary {
  font-size: 1.05rem;
  color: var(--ink-muted);
  font-style: italic;
  margin: 0 0 20px;
  line-height: 1.6;
}

.chapter-meta {
  font-family: var(--font-ui);
  font-size: 0.8rem;
  color: var(--ink-faint);
  display: flex;
  gap: 8px;
  align-items: center;
  margin-bottom: 32px;
}

.meta-sep { opacity: 0.4; }

.chapter-divider {
  border: none;
  border-top: 1px solid var(--border);
  margin: 32px 0;
}

/* Chapter body typography */

.chapter-body h2 {
  font-family: var(--font-serif);
  font-size: 1.4rem;
  font-weight: 600;
  margin: 2em 0 0.6em;
  line-height: 1.25;
}

.chapter-body h3 {
  font-family: var(--font-serif);
  font-size: 1.15rem;
  font-weight: 600;
  margin: 1.8em 0 0.5em;
  font-style: italic;
}

.chapter-body p {
  margin: 0 0 1.2em;
}

.chapter-body ul, .chapter-body ol {
  padding-left: 1.4em;
  margin: 0 0 1.2em;
}

.chapter-body li {
  margin-bottom: 0.4em;
}

.chapter-body strong {
  font-weight: 600;
  color: var(--ink);
}

.chapter-body em {
  font-style: italic;
  color: var(--ink-muted);
}

.chapter-body blockquote {
  margin: 1.5em 0;
  padding: 0 0 0 20px;
  border-left: 3px solid var(--wrong);
  color: var(--ink-muted);
  font-style: italic;
}

/* ── PREV/NEXT NAV ──────────────────────────────────────── */

.chapter-nav {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 16px;
  align-items: center;
  margin: 40px 0;
}

.chapter-nav-link {
  display: flex;
  flex-direction: column;
  gap: 4px;
  text-decoration: none;
  padding: 16px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
  transition: border-color 0.15s, box-shadow 0.15s;
}

.chapter-nav-link:hover {
  border-color: var(--ink-muted);
  box-shadow: 0 2px 8px rgba(0,0,0,0.06);
  text-decoration: none;
}

.chapter-nav-link--next {
  text-align: right;
  margin-left: auto;
  width: 100%;
}

.chapter-nav-label {
  font-family: var(--font-ui);
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--ink-faint);
}

.chapter-nav-title {
  font-family: var(--font-serif);
  font-size: 0.95rem;
  color: var(--ink);
  line-height: 1.3;
}

.chapter-nav-all {
  font-family: var(--font-ui);
  font-size: 0.78rem;
  color: var(--ink-muted);
  text-decoration: none;
  white-space: nowrap;
}

.chapter-nav-all:hover { color: var(--ink); }

.chapter-nav-prev:empty, .chapter-nav-next:empty { visibility: hidden; }

/* ── SUBSCRIBE BOX ──────────────────────────────────────── */

.subscribe-box {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 32px;
  margin-top: 48px;
}

.subscribe-heading {
  font-family: var(--font-serif);
  font-size: 1.3rem;
  margin: 0 0 6px;
}

.subscribe-text {
  font-size: 0.95rem;
  color: var(--ink-muted);
  margin: 0 0 20px;
}

.subscribe-row {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.subscribe-input {
  flex: 1;
  min-width: 220px;
  padding: 10px 14px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-family: var(--font-ui);
  font-size: 0.9rem;
  background: var(--bg);
  outline: none;
  transition: border-color 0.15s;
}

.subscribe-input:focus { border-color: var(--ink-muted); }

.subscribe-btn {
  padding: 10px 24px;
  background: var(--ink);
  color: #fff;
  border: none;
  border-radius: var(--radius);
  font-family: var(--font-ui);
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.15s;
  white-space: nowrap;
}

.subscribe-btn:hover { background: var(--accent); }
.subscribe-btn:disabled { opacity: 0.6; cursor: not-allowed; }

.subscribe-status {
  font-family: var(--font-ui);
  font-size: 0.85rem;
  margin: 10px 0 0;
}

.subscribe-status--ok { color: var(--right); }
.subscribe-status--err { color: var(--wrong); }

/* ── ABOUT / GENERIC PAGE ───────────────────────────────── */

.generic-page {
  padding: 64px 0 100px;
}

.generic-page .container {
  max-width: var(--reading-width);
}

.generic-page h1 {
  font-family: var(--font-serif);
  font-size: clamp(1.8rem, 3vw, 2.4rem);
  margin: 0 0 32px;
}

.generic-page h2 {
  font-family: var(--font-serif);
  font-size: 1.3rem;
  margin: 2em 0 0.6em;
}

.generic-page p {
  margin: 0 0 1.2em;
}

.generic-page a {
  color: var(--accent);
}

/* ── FOOTER ─────────────────────────────────────────────── */

.site-footer {
  border-top: 1px solid var(--border);
  padding: 48px 0 32px;
  margin-top: 80px;
  background: var(--surface);
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 40px;
  margin-bottom: 32px;
}

.footer-title {
  font-family: var(--font-serif);
  font-weight: 600;
  font-size: 1rem;
  display: block;
  margin-bottom: 6px;
}

.footer-desc {
  font-size: 0.85rem;
  color: var(--ink-muted);
  margin: 0;
  max-width: 36ch;
  line-height: 1.55;
}

.footer-nav {
  display: flex;
  flex-direction: column;
  gap: 8px;
  align-items: flex-end;
}

.footer-nav a {
  font-family: var(--font-ui);
  font-size: 0.82rem;
  color: var(--ink-muted);
  text-decoration: none;
}

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

.footer-copy {
  font-family: var(--font-ui);
  font-size: 0.78rem;
  color: var(--ink-faint);
  margin: 0;
}

/* ── RESPONSIVE ─────────────────────────────────────────── */

@media (max-width: 680px) {
  body { font-size: 16px; }

  .site-nav {
    display: none;
    position: absolute;
    top: 61px;
    left: 0;
    right: 0;
    background: var(--surface);
    border-bottom: 1px solid var(--border);
    flex-direction: column;
    padding: 16px 24px;
    gap: 16px;
    align-items: flex-start;
    z-index: 99;
  }

  .site-nav.is-open { display: flex; }
  .nav-toggle { display: flex; }

  .home-series-grid { grid-template-columns: 1fr; }

  .chapter-nav {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .chapter-nav-up { order: -1; text-align: center; }
  .chapter-nav-link--next { text-align: left; }

  .footer-inner { flex-direction: column; gap: 24px; }
  .footer-nav { align-items: flex-start; }

  .subscribe-row { flex-direction: column; }
  .subscribe-input { min-width: unset; }
}

@media (max-width: 900px) {
  .home-series-grid { gap: 16px; }
  .series-card { padding: 24px; }
}