/* ==========================================================================
   CitedMind — A Reading Room for the Mind
   Design: calm, authoritative, printed-page feel
   ========================================================================== */

@import url("https://fonts.googleapis.com/css2?family=Domine:wght@400;600;700&display=swap");

/* --- Design Tokens --- */
:root {
  /* Palette */
  --ink:            #2c3e50;
  --ink-deep:       #1a2332;
  --ink-muted:      #5a6a7e;
  --ink-faint:      #7a8a9e;
  --stone:          #8a7e72;
  --stone-light:    #9a8e82;
  --sand:           #e0ddd5;
  --sand-warm:      #eeeae2;
  --paper:          #faf8f5;
  --paper-dim:      #f0ede7;
  --accent:         #3b5998;
  --accent-warm:    #b85c38;

  /* Typography */
  --font-serif:     "Domine", Georgia, "Times New Roman", Times, serif;
  --font-sans:      -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --font-mono:      "SF Mono", Monaco, "Cascadia Code", Consolas, monospace;

  /* Spacing */
  --space-xs:       0.25rem;
  --space-sm:       0.5rem;
  --space-md:       0.75rem;
  --space-lg:       1rem;
  --space-xl:       1.5rem;
  --space-2xl:      2rem;
  --space-3xl:      2.5rem;
  --space-4xl:      3rem;
}

/* --- Selection --- */
::selection {
  background-color: #3b5998;
  color: var(--paper);
}

/* --- Reset & Base --- */
*, *::before, *::after {
  box-sizing: border-box;
}

html {
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
}

body {
  font-family: var(--font-serif);
  font-size: 16px;
  line-height: 1.8;
  max-width: 720px;
  margin: 0 auto;
  padding: 0 var(--space-xl);
  color: var(--ink-deep);
  background: var(--paper);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* --- Typography --- */
h1, h2 {
  font-family: var(--font-serif);
  color: var(--ink-deep);
  font-weight: 700;
  line-height: 1.35;
  margin: var(--space-4xl) 0 var(--space-sm);
  -webkit-font-smoothing: antialiased;
}

h3, h4 {
  font-family: var(--font-serif);
  color: var(--ink-deep);
  font-weight: 600;
  line-height: 1.35;
  margin: var(--space-4xl) 0 var(--space-sm);
  -webkit-font-smoothing: antialiased;
}

h1 { font-size: 1.8rem; }
h2 { font-size: 1.4rem; }
h3 { font-size: 1.15rem; }

p {
  margin: 0 0 var(--space-lg);
}

/* --- Links --- */
a {
  color: var(--accent);
  text-decoration: none;
  transition: color 0.15s ease;
}

a:hover {
  color: var(--accent-warm);
  text-decoration: underline;
}

/* --- Masthead --- */
.masthead {
  text-align: center;
  padding: var(--space-3xl) 0 var(--space-xl);
}

.masthead-rule {
  position: relative;
  text-align: center;
  margin-bottom: var(--space-xl);
}

.masthead-rule::before {
  content: "";
  position: absolute;
  top: 50%;
  left: 0;
  right: 0;
  height: 1px;
  background: var(--sand);
}

.masthead-rule span {
  position: relative;
  background: var(--paper);
  padding: 0 var(--space-md);
  font-family: var(--font-sans);
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--stone-light);
}

.masthead-brand {
  display: inline-block;
  font-family: var(--font-serif);
  font-size: 3rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--ink-deep);
  text-decoration: none;
  line-height: 1;
}

.masthead-brand:hover {
  color: var(--ink-deep);
  text-decoration: none;
}

.masthead-tagline {
  margin-top: var(--space-md);
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 1.05rem;
  color: var(--ink-muted);
}

/* --- Navigation --- */
.site-nav {
  border-top: 1px solid var(--sand);
  border-bottom: 1px solid var(--sand);
  padding: var(--space-md) 0;
  margin-bottom: var(--space-4xl);
  display: flex;
  justify-content: center;
}

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

.nav-links li {
  position: relative;
  padding: 0 var(--space-xl);
}

.nav-links li + li::before {
  content: "·";
  position: absolute;
  left: -0.2em;
  top: 50%;
  transform: translateY(-50%);
  color: var(--stone-light);
}

.nav-links a {
  font-family: var(--font-sans);
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  color: var(--ink-muted);
  text-decoration: none;
  transition: color 0.15s ease;
}

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

/* --- Hero (homepage chapter opening) --- */
.hero {
  margin-bottom: var(--space-4xl);
  padding-bottom: var(--space-xl);
  border-bottom: 1px solid var(--sand);
  text-align: center;
}

.hero-eyebrow {
  font-family: var(--font-sans);
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.22em;
  color: var(--stone-light);
  margin-bottom: var(--space-md);
}

.hero-lede {
  font-family: var(--font-serif);
  font-size: 1.2rem;
  line-height: 1.7;
  color: var(--ink-deep);
  max-width: 580px;
  margin: 0 auto;
}

/* --- Post list (homepage & archive) --- */
.post-list-item {
  margin-bottom: var(--space-3xl);
}

.post-list-item h2 {
  font-family: var(--font-serif);
  font-size: 1.3rem;
  font-weight: 700;
  margin-bottom: var(--space-xs);
  margin-top: 0;
}

.post-list-item h2 a {
  color: var(--ink-deep);
  text-decoration: none;
}

.post-list-item h2 a:hover {
  color: var(--accent-warm);
  text-decoration: underline;
}

.post-list-item p {
  color: #4a5a6e;
  font-size: 0.95rem;
  line-height: 1.65;
  margin-top: var(--space-sm);
  margin-bottom: var(--space-xs);
}

.post-list-item .post-meta {
  margin-bottom: var(--space-xs);
}

/* --- Post meta (dates, author) --- */
.post-meta {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 0.85rem;
  color: var(--stone);
}

/* --- Tags as bracketed text --- */
.tag-badge {
  font-family: var(--font-sans);
  font-size: 0.75rem;
  color: var(--ink-faint);
  margin-right: var(--space-sm);
}

.tag-badge::before { content: "["; }
.tag-badge::after  { content: "]"; }

/* --- Post tags group on article pages --- */
.post-tags {
  margin-top: var(--space-sm);
}

/* --- Article / full post --- */
article.h-entry {
  margin-bottom: var(--space-4xl);
}

article header {
  margin-bottom: var(--space-2xl);
  padding-bottom: var(--space-lg);
  border-bottom: 1px solid var(--sand);
}

article header h1 {
  font-family: var(--font-serif);
  font-size: 2rem;
  margin-top: 0;
  margin-bottom: var(--space-sm);
  line-height: 1.25;
}

.e-content {
  font-size: 1rem;
  line-height: 1.85;
}

.e-content p {
  margin-bottom: var(--space-lg);
}

/* Drop cap on the lede paragraph */
.e-content > p:first-of-type::first-letter {
  font-family: var(--font-serif);
  float: left;
  font-size: 3.6rem;
  line-height: 0.95;
  font-weight: 700;
  color: var(--ink-deep);
  padding: 0.4rem 0.65rem 0 0;
  margin-top: 0.2rem;
}

/* Small-caps lede on the first visual line */
.e-content > p:first-of-type::first-line {
  font-variant: small-caps;
  letter-spacing: 0.04em;
  color: var(--ink-deep);
}

/* Ornamental section break */
.e-content hr {
  border: none;
  text-align: center;
  margin: var(--space-2xl) 0;
  height: auto;
}

.e-content hr::before {
  content: "§";
  font-family: var(--font-serif);
  font-size: 1.4rem;
  font-style: italic;
  color: var(--accent);
}

.e-content img {
  max-width: 100%;
  height: auto;
  margin: var(--space-xl) 0;
}

.e-content blockquote {
  margin: var(--space-xl) 0;
  padding: var(--space-sm) var(--space-lg);
  border-left: 3px solid var(--accent);
  color: var(--ink-muted);
  font-style: italic;
}

.e-content code {
  font-family: var(--font-mono);
  font-size: 0.85em;
  background: var(--paper-dim);
  padding: 0.15em 0.35em;
  border-radius: 2px;
}

.e-content pre {
  background: var(--paper-dim);
  padding: var(--space-lg) var(--space-lg);
  overflow-x: auto;
  border-radius: 4px;
  font-size: 0.85rem;
  line-height: 1.5;
}

.e-content pre code {
  background: none;
  padding: 0;
  border-radius: 0;
}

.e-content hr {
  border: none;
  border-top: 1px solid var(--sand);
  margin: var(--space-2xl) 0;
}

.e-content ul,
.e-content ol {
  margin-bottom: var(--space-lg);
}

/* --- Related reading --- */
.related-reading {
  margin-top: var(--space-4xl);
  padding-top: var(--space-xl);
  border-top: 1px solid var(--sand);
}

.related-reading h3 {
  font-family: var(--font-sans);
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--stone-light);
  margin-top: 0;
  margin-bottom: var(--space-md);
}

.related-reading a {
  display: block;
  margin-bottom: var(--space-sm);
}

/* --- Tags page --- */
.tag-group {
  margin-bottom: var(--space-3xl);
  padding-bottom: var(--space-xl);
  border-bottom: 1px solid var(--sand);
}

.tag-group h2 {
  font-family: var(--font-serif);
  margin-top: 0;
}

.tag-description {
  color: var(--ink-muted);
  font-size: 0.95rem;
  margin-bottom: var(--space-sm);
}

.tag-count {
  font-size: 0.8rem;
  color: var(--stone-light);
  margin-bottom: var(--space-md);
}

.tag-post-list {
  list-style: none;
  padding: 0;
}

.tag-post-list li {
  margin-bottom: var(--space-md);
}

.tag-post-excerpt {
  font-size: 0.9rem;
  color: var(--ink-muted);
  margin: var(--space-xs) 0 0;
}

/* --- Footer --- */
.site-footer {
  border-top: 1px solid var(--sand);
  padding: var(--space-3xl) 0 var(--space-2xl);
  margin-top: var(--space-4xl);
  font-size: 0.88rem;
  color: var(--ink-faint);
}

.site-footer .footer-inner {
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
}

.site-footer a {
  color: var(--ink-muted);
  transition: color 0.15s ease;
}

.site-footer a:hover {
  color: var(--accent-warm);
}

.footer-mission {
  font-family: var(--font-serif);
  font-style: italic;
  color: var(--ink-muted);
  max-width: 540px;
  margin: 0;
}

.footer-meta {
  font-family: var(--font-sans);
  font-size: 0.8rem;
  color: var(--stone-light);
  margin: 0;
  padding-top: var(--space-md);
  border-top: 1px solid var(--sand-warm);
}

.footer-ecosystem {
  margin: 0;
}

.footer-ecosystem-label {
  font-family: var(--font-sans);
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--stone-light);
  margin-bottom: var(--space-sm);
}

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

.footer-ecosystem li {
  margin-bottom: var(--space-xs);
  font-family: var(--font-sans);
  font-size: 0.85rem;
}

/* --- Inline CTA --- */
.cta-link {
  display: inline-block;
  margin-top: var(--space-md);
  padding: 0.55rem 1.1rem;
  background: var(--accent);
  color: var(--paper);
  font-family: var(--font-sans);
  font-size: 0.85rem;
  letter-spacing: 0.02em;
  text-decoration: none;
  border-radius: 2px;
  transition: background 0.15s ease;
}

.cta-link:hover {
  background: var(--accent-warm);
  color: var(--paper);
  text-decoration: none;
}

.cta-link strong {
  font-weight: 600;
}

/* --- Misc --- */
hr {
  border: none;
  border-top: 1px solid var(--sand);
  margin: var(--space-2xl) 0;
}

/* ==========================================================================
   Responsive — Mobile
   ========================================================================== */
@media (max-width: 640px) {
  body {
    font-size: 15px;
    padding: 0 var(--space-lg);
  }

  .masthead {
    padding: var(--space-2xl) 0 var(--space-lg);
  }

  .masthead-brand {
    font-size: 2.1rem;
  }

  .masthead-tagline {
    font-size: 0.95rem;
  }

  .masthead-rule span {
    font-size: 0.62rem;
    letter-spacing: 0.14em;
  }

  .nav-links {
    gap: 0;
    justify-content: center;
  }

  .nav-links li {
    padding: 0 var(--space-md);
  }

  .nav-links a {
    font-size: 0.7rem;
    letter-spacing: 0.12em;
  }

  .hero h1 {
    font-size: 1.8rem;
  }

  h1 { font-size: 1.5rem; }
  h2 { font-size: 1.2rem; }

  article header h1 {
    font-size: 1.5rem;
  }

  .footer-ecosystem ul {
    display: flex;
    flex-direction: column;
    gap: var(--space-xs);
  }
}

/* ==========================================================================
   Print
   ========================================================================== */
@media print {
  body {
    color: #000;
    background: #fff;
    max-width: none;
  }

  .site-nav, .site-footer, .related-reading {
    display: none;
  }
}