/* Hook and Eye preview — shared chrome (quiet editorial)
   Deliberately visually neutral so the mockup page remains distinctive.
   Not the live-site design — this is the preview wrapper. */

:root {
  --bg: #fafaf7;
  --bg-soft: #f1efe8;
  --ink: #1c1a17;
  --ink-soft: #5a544c;
  --rule: #d8d3c4;
  --accent: #3a6a6a;
  --accent-soft: #c8d8d6;
  --code-bg: #efece1;
  --shadow: rgba(28, 26, 23, 0.08);
  --content-max: 760px;
  --chrome-max: 1180px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: 'Source Serif 4', Georgia, 'Times New Roman', serif;
  font-size: 18px;
  line-height: 1.7;
  color: var(--ink);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* ===== PREVIEW BANNER (thin strip — gentle reminder this is the preview) ===== */
.preview-banner {
  background: var(--ink);
  color: var(--bg);
  font-family: 'Inter', system-ui, sans-serif;
  font-size: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  text-align: center;
  padding: 7px 16px;
  font-weight: 500;
}
.preview-banner .sep { opacity: 0.5; margin: 0 8px; }

/* ===== HEADER ===== */
.site-header {
  background: var(--bg);
  border-bottom: 1px solid var(--rule);
  padding: 28px 40px 22px;
}
.site-header-inner {
  max-width: var(--chrome-max);
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 24px;
  flex-wrap: wrap;
}
.site-title {
  font-family: 'Playfair Display', Georgia, serif;
  font-size: 26px;
  font-weight: 500;
  letter-spacing: -0.01em;
  color: var(--ink);
  text-decoration: none;
}
.site-title .x { color: var(--accent); font-weight: 400; margin: 0 8px; }
.site-subtitle {
  font-family: 'Inter', sans-serif;
  font-size: 13px;
  color: var(--ink-soft);
  letter-spacing: 0.03em;
}

/* ===== NAV ===== */
nav.site-nav {
  background: var(--bg);
  border-bottom: 1px solid var(--rule);
  padding: 0 40px;
  position: sticky;
  top: 0;
  z-index: 20;
}
nav.site-nav ul {
  max-width: var(--chrome-max);
  margin: 0 auto;
  list-style: none;
  display: flex;
  gap: 0;
  overflow-x: auto;
}
nav.site-nav li { flex-shrink: 0; }
nav.site-nav a {
  display: block;
  padding: 14px 18px;
  color: var(--ink-soft);
  text-decoration: none;
  font-family: 'Inter', sans-serif;
  font-size: 14px;
  font-weight: 500;
  letter-spacing: 0.02em;
  border-bottom: 2px solid transparent;
  transition: color 0.12s, border-color 0.12s;
}
nav.site-nav a:hover { color: var(--ink); }
nav.site-nav a.active {
  color: var(--ink);
  border-bottom-color: var(--accent);
}
nav.site-nav .nav-num {
  display: inline-block;
  font-family: 'Inter', sans-serif;
  font-size: 11px;
  color: var(--ink-soft);
  margin-right: 6px;
  opacity: 0.6;
  letter-spacing: 0.04em;
}

/* ===== MAIN CONTENT ===== */
main {
  flex: 1;
  padding: 56px 40px 80px;
}
main.reading {
  max-width: var(--content-max);
  margin: 0 auto;
}

/* article typography */
article h1 {
  font-family: 'Playfair Display', Georgia, serif;
  font-size: 38px;
  font-weight: 500;
  line-height: 1.2;
  letter-spacing: -0.015em;
  margin-bottom: 24px;
  color: var(--ink);
}
article h2 {
  font-family: 'Playfair Display', Georgia, serif;
  font-size: 26px;
  font-weight: 500;
  line-height: 1.3;
  margin-top: 44px;
  margin-bottom: 16px;
  color: var(--ink);
  letter-spacing: -0.01em;
}
article h3 {
  font-family: 'Playfair Display', Georgia, serif;
  font-size: 20px;
  font-weight: 600;
  margin-top: 32px;
  margin-bottom: 10px;
  color: var(--ink);
}
article h4 {
  font-family: 'Inter', sans-serif;
  font-size: 14px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-top: 28px;
  margin-bottom: 8px;
  color: var(--ink-soft);
}
article p {
  margin-bottom: 18px;
  line-height: 1.75;
}
article strong { font-weight: 600; color: var(--ink); }
article em { font-style: italic; }
article hr {
  border: none;
  border-top: 1px solid var(--rule);
  margin: 40px 0;
}
article ul, article ol {
  margin: 0 0 20px 1.4em;
  padding: 0;
}
article ol { margin-left: 1.6em; }
article li { margin-bottom: 10px; line-height: 1.7; }
article li > ul, article li > ol { margin-top: 8px; margin-bottom: 8px; }

article blockquote {
  border-left: 3px solid var(--accent);
  padding: 4px 0 4px 20px;
  margin: 20px 0;
  color: var(--ink-soft);
  font-style: italic;
}

article code {
  font-family: 'JetBrains Mono', 'SF Mono', Consolas, monospace;
  font-size: 0.88em;
  background: var(--code-bg);
  padding: 2px 6px;
  border-radius: 3px;
  color: var(--ink);
}
article pre {
  background: var(--code-bg);
  padding: 16px 20px;
  border-radius: 4px;
  overflow-x: auto;
  margin: 20px 0;
  font-size: 13px;
  line-height: 1.5;
}
article pre code {
  background: transparent;
  padding: 0;
  font-size: inherit;
}

article a {
  color: var(--accent);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}
article a:hover { color: var(--ink); }

article table {
  border-collapse: collapse;
  width: 100%;
  margin: 20px 0;
  font-size: 14px;
  font-family: 'Inter', sans-serif;
}
article th, article td {
  text-align: left;
  padding: 10px 12px;
  border-bottom: 1px solid var(--rule);
}
article th {
  font-weight: 600;
  color: var(--ink-soft);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  background: var(--bg-soft);
}

/* document metadata block (top of each rendered markdown page) */
.doc-meta {
  font-family: 'Inter', sans-serif;
  font-size: 13px;
  color: var(--ink-soft);
  margin-bottom: 32px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--rule);
  line-height: 1.6;
}
.doc-meta p { margin-bottom: 4px; line-height: 1.5; }
.doc-meta p:last-child { margin-bottom: 0; }
.doc-meta strong { color: var(--ink); font-weight: 600; }

/* ===== INDEX PAGE (cover) ===== */
.cover-hero {
  max-width: var(--chrome-max);
  margin: 0 auto;
  padding-bottom: 40px;
  border-bottom: 1px solid var(--rule);
  margin-bottom: 56px;
}
.cover-kicker {
  font-family: 'Inter', sans-serif;
  font-size: 13px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 14px;
  font-weight: 500;
}
.cover-title {
  font-family: 'Playfair Display', Georgia, serif;
  font-size: 52px;
  line-height: 1.1;
  font-weight: 500;
  letter-spacing: -0.02em;
  margin-bottom: 20px;
  color: var(--ink);
}
.cover-meta {
  font-family: 'Inter', sans-serif;
  font-size: 14px;
  color: var(--ink-soft);
  line-height: 1.6;
  max-width: 560px;
}
.cover-howto {
  max-width: var(--content-max);
  margin: 0 auto 56px;
  padding: 24px 28px;
  background: var(--bg-soft);
  border-left: 3px solid var(--accent);
  font-size: 16px;
  line-height: 1.7;
}
.cover-howto h3 {
  font-family: 'Inter', sans-serif;
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--ink-soft);
  margin-bottom: 10px;
}
.cover-howto p { margin-bottom: 10px; }
.cover-howto p:last-child { margin-bottom: 0; }

.cards-grid {
  max-width: var(--chrome-max);
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}
.card {
  display: block;
  background: #ffffff;
  border: 1px solid var(--rule);
  padding: 28px 28px 24px;
  text-decoration: none;
  color: var(--ink);
  transition: transform 0.12s, box-shadow 0.12s, border-color 0.12s;
  position: relative;
}
.card:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px var(--shadow);
  border-color: var(--accent-soft);
}
.card .num {
  font-family: 'Inter', sans-serif;
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-soft);
  margin-bottom: 8px;
  display: block;
}
.card h2 {
  font-family: 'Playfair Display', Georgia, serif;
  font-size: 22px;
  font-weight: 500;
  margin-bottom: 10px;
  line-height: 1.3;
  letter-spacing: -0.005em;
}
.card p {
  font-family: 'Inter', sans-serif;
  font-size: 14px;
  line-height: 1.6;
  color: var(--ink-soft);
  margin-bottom: 16px;
}
.card .arrow {
  font-family: 'Inter', sans-serif;
  font-size: 13px;
  color: var(--accent);
  font-weight: 500;
  letter-spacing: 0.03em;
}
.card.card-feature {
  grid-column: span 2;
  background: var(--ink);
  color: var(--bg);
  border-color: var(--ink);
  padding: 36px 32px;
}
.card.card-feature:hover {
  border-color: var(--ink);
  box-shadow: 0 10px 30px rgba(28, 26, 23, 0.24);
}
.card.card-feature .num {
  color: rgba(250, 250, 247, 0.55);
}
.card.card-feature h2 { color: var(--bg); font-size: 28px; }
.card.card-feature p { color: rgba(250, 250, 247, 0.78); font-size: 15px; }
.card.card-feature .arrow { color: var(--accent-soft); }
.card.card-feature .tag {
  position: absolute;
  top: 24px;
  right: 24px;
  font-family: 'Inter', sans-serif;
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--accent-soft);
  border: 1px solid var(--accent-soft);
  padding: 3px 8px;
  border-radius: 2px;
}

/* ===== FOOTER ===== */
footer.site-footer {
  background: var(--bg);
  border-top: 1px solid var(--rule);
  padding: 32px 40px;
  font-family: 'Inter', sans-serif;
  font-size: 12px;
  color: var(--ink-soft);
}
.footer-inner {
  max-width: var(--chrome-max);
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  letter-spacing: 0.02em;
}
.footer-inner .prepared-by { font-weight: 500; color: var(--ink); }

/* ===== RESPONSIVE ===== */
@media (max-width: 760px) {
  .site-header { padding: 20px 20px 16px; }
  nav.site-nav { padding: 0 20px; }
  nav.site-nav a { padding: 12px 12px; font-size: 13px; }
  main { padding: 32px 20px 48px; }
  .cover-title { font-size: 36px; }
  .cards-grid { grid-template-columns: 1fr; }
  .card.card-feature { grid-column: span 1; }
  article h1 { font-size: 30px; }
  article h2 { font-size: 22px; }
  body { font-size: 17px; }
  .footer-inner { flex-direction: column; }
}