/* ═══════════════════════════════════════════════════════
   WebNotePad Blog — Shared Stylesheet
   Aesthetic: Editorial magazine, warm ink-on-paper
   Fonts: Fraunces (display) + Literata (body) + JetBrains Mono
═══════════════════════════════════════════════════════ */

@import url('https://fonts.googleapis.com/css2?family=Fraunces:ital,opsz,wght@0,9..144,300;0,9..144,600;0,9..144,700;0,9..144,900;1,9..144,300;1,9..144,600;1,9..144,700&family=Literata:ital,wght@0,300;0,400;0,500;0,600;1,300;1,400;1,500&family=JetBrains+Mono:wght@400;500;600&display=swap');

:root {
  --ink:       #1c1917;
  --ink-soft:  #44403c;
  --ink-muted: #78716c;
  --paper:     #faf8f4;
  --paper-warm:#f5f0e8;
  --paper-edge:#e7e0d5;
  --paper-dk:  #ede8e0;
  --accent:    #c2410c;
  --accent-lt: #ea580c;
  --accent-pl: #fff7ed;
  --accent2:   #0369a1;
  --green:     #15803d;
  --green-pl:  #f0fdf4;
  --gold:      #b45309;
  --gold-pl:   #fffbeb;

  --f-display: 'Fraunces', Georgia, serif;
  --f-body:    'Literata', Georgia, serif;
  --f-mono:    'JetBrains Mono', monospace;

  --max-w:  740px;
  --r:      5px;
  --r-lg:   12px;
  --sh:     0 2px 12px rgba(28,25,23,.09);
  --sh-lg:  0 8px 32px rgba(28,25,23,.13);
  --t:      0.2s ease;
}

/* ── Reset ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 16px; scroll-behavior: smooth; }
body {
  font-family: var(--f-body);
  background: var(--paper);
  color: var(--ink);
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: var(--accent2); }
a:hover { color: var(--accent); }
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-thumb { background: var(--paper-edge); border-radius: 3px; }

/* ── Site nav bar ── */
.blog-nav {
  background: var(--ink);
  padding: 0 24px;
  height: 52px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: sticky;
  top: 0;
  z-index: 100;
}
.blog-nav-brand {
  display: flex; align-items: center; gap: 9px;
  font-family: var(--f-display);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--paper);
  text-decoration: none;
  letter-spacing: -.01em;
}
.nav-dot {
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--accent-lt);
}
.blog-nav-links {
  display: flex; align-items: center; gap: 4px;
}
.blog-nav-links a {
  font-size: .73rem; font-weight: 600;
  color: rgba(250,248,244,.55);
  padding: 5px 10px;
  border-radius: var(--r);
  font-family: var(--f-mono);
  letter-spacing: .03em;
  transition: color var(--t), background var(--t);
}
.blog-nav-links a:hover { color: var(--paper); background: rgba(255,255,255,.08); }
.nav-cta {
  background: var(--accent) !important;
  color: #fff !important;
  border-radius: var(--r) !important;
}
.nav-cta:hover { background: var(--accent-lt) !important; }

/* ── Article wrapper ── */
.article-wrap {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 24px 80px;
}

/* ── Featured image ── */
.featured-img-wrap {
  width: 100%;
  border-radius: var(--r-lg);
  overflow: hidden;
  margin: 0 0 48px;
  box-shadow: var(--sh-lg);
  background: var(--paper-warm);
  line-height: 0;
}
.featured-img-wrap svg, .featured-img-wrap img {
  width: 100%;
  height: auto;
  display: block;
}

/* ── Article header ── */
.article-header { padding: 56px 0 40px; }
.post-category {
  display: inline-flex; align-items: center; gap: 7px;
  font-family: var(--f-mono);
  font-size: .68rem; font-weight: 600;
  letter-spacing: .12em; text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 18px;
}
.post-category::before { content: ''; width: 20px; height: 2px; background: var(--accent); border-radius: 1px; }
.article-title {
  font-family: var(--f-display);
  font-size: clamp(2rem, 5vw, 2.9rem);
  font-weight: 700;
  line-height: 1.15;
  color: var(--ink);
  letter-spacing: -.02em;
  margin-bottom: 20px;
}
.article-title em { font-style: italic; color: var(--accent); }
.article-subtitle {
  font-size: 1.1rem;
  color: var(--ink-soft);
  line-height: 1.65;
  max-width: 620px;
  margin-bottom: 28px;
  font-weight: 300;
}
.article-meta {
  display: flex; align-items: center; gap: 16px;
  flex-wrap: wrap;
  padding: 14px 0;
  border-top: 1px solid var(--paper-edge);
  border-bottom: 1px solid var(--paper-edge);
}
.meta-author { display: flex; align-items: center; gap: 8px; }
.author-avatar {
  width: 34px; height: 34px; border-radius: 50%;
  background: var(--ink);
  color: var(--paper);
  display: flex; align-items: center; justify-content: center;
  font-size: .75rem; font-weight: 700;
  font-family: var(--f-mono);
  flex-shrink: 0;
}
.author-name {
  font-size: .83rem; font-weight: 600;
  color: var(--ink);
}
.author-role {
  font-size: .7rem; color: var(--ink-muted);
  font-family: var(--f-mono);
}
.meta-date, .meta-read {
  font-size: .73rem; color: var(--ink-muted);
  font-family: var(--f-mono);
  letter-spacing: .03em;
}
.meta-sep { color: var(--paper-edge); }

/* ── Article body ── */
.article-body { font-size: 1rem; line-height: 1.82; color: var(--ink-soft); }
.article-body p { margin-bottom: 1.4em; }
.article-body h2 {
  font-family: var(--f-display);
  font-size: 1.6rem; font-weight: 700;
  color: var(--ink); line-height: 1.25;
  margin: 2.2em 0 .7em;
  padding-bottom: .4em;
  border-bottom: 2px solid var(--paper-edge);
  letter-spacing: -.015em;
}
.article-body h3 {
  font-family: var(--f-display);
  font-size: 1.2rem; font-weight: 600;
  color: var(--ink); line-height: 1.3;
  margin: 1.8em 0 .5em;
  font-style: italic;
}
.article-body strong { color: var(--ink); font-weight: 600; }
.article-body em { color: var(--ink-soft); }
.article-body a { color: var(--accent2); font-weight: 500; }
.article-body a:hover { color: var(--accent); }

/* Numbered tip blocks */
.tip-block {
  display: flex; gap: 18px;
  background: var(--paper-warm);
  border: 1px solid var(--paper-edge);
  border-left: 4px solid var(--accent);
  border-radius: 0 var(--r-lg) var(--r-lg) 0;
  padding: 20px 22px;
  margin: 1.8em 0;
}
.tip-num {
  font-family: var(--f-display);
  font-size: 2rem; font-weight: 700;
  color: var(--accent);
  line-height: 1; flex-shrink: 0;
  min-width: 36px;
  font-style: italic;
}
.tip-content h3 {
  font-family: var(--f-display); font-style: normal;
  font-size: 1.05rem; font-weight: 700;
  color: var(--ink); margin: 0 0 6px;
}
.tip-content p { margin: 0; font-size: .93rem; line-height: 1.7; }

/* Callout / blockquote */
.callout {
  background: var(--accent-pl);
  border-left: 4px solid var(--accent);
  border-radius: 0 var(--r-lg) var(--r-lg) 0;
  padding: 18px 22px;
  margin: 1.8em 0;
  font-style: italic;
  font-size: .98rem;
  color: var(--ink-soft);
}
.callout cite {
  display: block; margin-top: 10px;
  font-size: .78rem; font-style: normal;
  font-family: var(--f-mono); color: var(--ink-muted);
}
.callout-blue {
  background: #f0f9ff;
  border-color: var(--accent2);
}
body .callout-green {
  background: var(--green-pl);
  border-color: var(--green);
}
.callout-gold {
  background: var(--gold-pl);
  border-color: var(--gold);
}

/* Key takeaway box */
.key-box {
  background: var(--ink);
  color: var(--paper);
  border-radius: var(--r-lg);
  padding: 24px 26px;
  margin: 2em 0;
}
.key-box-label {
  font-family: var(--f-mono);
  font-size: .65rem; letter-spacing: .14em; text-transform: uppercase;
  color: var(--accent-lt); margin-bottom: 10px;
}
.key-box p { color: rgba(250,248,244,.8); font-size: .95rem; margin: 0; }
.key-box strong { color: var(--paper); }

/* Inline code */
.article-body code {
  font-family: var(--f-mono);
  font-size: .84em;
  background: var(--paper-dk);
  border: 1px solid var(--paper-edge);
  border-radius: 4px;
  padding: 1px 6px;
  color: var(--accent);
}

/* Lists */
.article-body ul, .article-body ol {
  margin: 1em 0 1.4em 1.5em;
}
.article-body li { margin-bottom: .45em; }
.article-body ul li::marker { color: var(--accent); }
.article-body ol li::marker { color: var(--accent); font-weight: 700; font-family: var(--f-mono); }

/* Feature grid */
.feature-grid {
  display: grid; grid-template-columns: repeat(2, 1fr);
  gap: 14px; margin: 1.8em 0;
}
.feature-grid-card {
  background: var(--paper-warm);
  border: 1px solid var(--paper-edge);
  border-radius: var(--r-lg);
  padding: 18px;
}
.feature-grid-card .fg-icon { font-size: 1.4rem; margin-bottom: 8px; }
.feature-grid-card h4 {
  font-family: var(--f-display);
  font-size: .93rem; font-weight: 700;
  color: var(--ink); margin-bottom: 5px;
}
.feature-grid-card p { font-size: .82rem; color: var(--ink-muted); line-height: 1.55; margin: 0; }

/* Step grid */
.steps-grid { display: flex; flex-direction: column; gap: 16px; margin: 1.8em 0; }
.step-item {
  display: flex; gap: 16px;
  align-items: flex-start;
  background: var(--paper-warm);
  border: 1px solid var(--paper-edge);
  border-radius: var(--r-lg);
  padding: 18px;
}
.step-badge {
  width: 32px; height: 32px; border-radius: 50%;
  background: var(--accent); color: #fff;
  display: flex; align-items: center; justify-content: center;
  font-family: var(--f-mono); font-size: .78rem; font-weight: 700;
  flex-shrink: 0;
}
.step-item h4 {
  font-family: var(--f-display); font-size: .95rem; font-weight: 700;
  color: var(--ink); margin-bottom: 5px;
}
.step-item p { font-size: .87rem; color: var(--ink-soft); margin: 0; line-height: 1.6; }

/* Comparison table */
.comp-table {
  width: 100%; border-collapse: collapse;
  margin: 1.8em 0; font-size: .88rem;
}
.comp-table th {
  background: var(--ink); color: var(--paper);
  padding: 10px 14px; text-align: left;
  font-family: var(--f-mono); font-size: .72rem;
  letter-spacing: .06em; text-transform: uppercase;
  font-weight: 600;
}
.comp-table td {
  padding: 10px 14px;
  border-bottom: 1px solid var(--paper-edge);
  color: var(--ink-soft);
  vertical-align: top;
}
.comp-table tr:nth-child(even) td { background: var(--paper-warm); }
.comp-table .check { color: var(--green); font-weight: 700; }
.comp-table .cross { color: #dc2626; }

/* Internal links CTA */
.internal-cta {
  background: linear-gradient(135deg, var(--paper-warm) 0%, var(--accent-pl) 100%);
  border: 1px solid var(--paper-edge);
  border-left: 4px solid var(--accent);
  border-radius: 0 var(--r-lg) var(--r-lg) 0;
  padding: 20px 24px;
  margin: 2.2em 0;
  display: flex; align-items: center; gap: 16px;
}
.icta-icon { font-size: 1.8rem; flex-shrink: 0; }
.icta-text strong {
  display: block; font-size: .9rem; font-weight: 700;
  color: var(--ink); margin-bottom: 5px;
}
.icta-text p { font-size: .83rem; color: var(--ink-soft); margin: 0 0 8px; line-height: 1.55; }
.icta-link {
  display: inline-flex; align-items: center; gap: 5px;
  font-size: .78rem; font-weight: 700;
  color: var(--accent); font-family: var(--f-mono);
  text-decoration: none;
  transition: gap var(--t);
}
.icta-link:hover { gap: 8px; color: var(--accent-lt); }

/* Related posts */
.related-posts {
  margin-top: 60px;
  padding-top: 40px;
  border-top: 2px solid var(--paper-edge);
}
.related-label {
  font-family: var(--f-mono);
  font-size: .68rem; letter-spacing: .12em; text-transform: uppercase;
  color: var(--ink-muted); margin-bottom: 20px;
}
.related-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px; }
.related-card {
  background: var(--paper-warm);
  border: 1px solid var(--paper-edge);
  border-radius: var(--r-lg);
  padding: 18px;
  text-decoration: none;
  transition: all var(--t);
  display: block;
}
.related-card:hover { border-color: var(--accent); box-shadow: var(--sh); transform: translateY(-2px); }
.related-card-cat {
  font-family: var(--f-mono);
  font-size: .63rem; letter-spacing: .1em; text-transform: uppercase;
  color: var(--accent); margin-bottom: 7px;
}
.related-card h4 {
  font-family: var(--f-display);
  font-size: .92rem; font-weight: 700;
  color: var(--ink); line-height: 1.35;
  margin-bottom: 6px;
}
.related-card p { font-size: .78rem; color: var(--ink-muted); line-height: 1.5; margin: 0; }

/* Tags */
.post-tags { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 40px; padding-top: 24px; border-top: 1px solid var(--paper-edge); }
.tag {
  padding: 4px 12px;
  border-radius: 100px;
  font-size: .7rem; font-weight: 600;
  font-family: var(--f-mono);
  background: var(--paper-dk);
  border: 1px solid var(--paper-edge);
  color: var(--ink-muted);
  text-decoration: none;
  transition: all var(--t);
}
.tag:hover { background: var(--accent-pl); border-color: var(--accent); color: var(--accent); }

/* Footer */
.blog-footer {
  background: var(--ink);
  color: rgba(250,248,244,.5);
  text-align: center;
  padding: 40px 24px;
  font-size: .78rem;
  font-family: var(--f-mono);
}
.blog-footer a { color: rgba(250,248,244,.65); }
.blog-footer a:hover { color: var(--paper); }
.blog-footer-brand {
  font-family: var(--f-display);
  font-size: 1.1rem; font-weight: 700;
  color: var(--paper); margin-bottom: 10px;
}

/* Progress bar */
.reading-progress {
  position: fixed; top: 52px; left: 0; right: 0;
  height: 3px; z-index: 99;
  background: var(--paper-edge);
}
.reading-progress-fill {
  height: 100%;
  background: var(--accent);
  width: 0%;
  transition: width .1s linear;
}

/* TOC */
.toc-box {
  background: var(--paper-warm);
  border: 1px solid var(--paper-edge);
  border-radius: var(--r-lg);
  padding: 22px 24px;
  margin: 0 0 2.2em;
}
.toc-label {
  font-family: var(--f-mono); font-size: .68rem; letter-spacing: .12em; text-transform: uppercase;
  color: var(--ink-muted); margin-bottom: 10px;
}
.toc-box ol { margin: 0; padding-left: 18px; }
.toc-box li { margin-bottom: 5px; }
.toc-box a {
  font-size: .85rem; color: var(--accent2); font-weight: 500;
  text-decoration: none; transition: color var(--t);
}
.toc-box a:hover { color: var(--accent); }

/* Inline highlight */
.hl { background: #fef9c3; padding: 1px 3px; border-radius: 2px; }
.hl-green { background: #dcfce7; }
.hl-blue  { background: #dbeafe; }

/* Responsive */
@media (max-width: 640px) {
  .blog-nav-links { display: none; }
  .article-title { font-size: 1.75rem; }
  .feature-grid { grid-template-columns: 1fr; }
  .related-grid { grid-template-columns: 1fr; }
  .tip-block { flex-direction: column; gap: 8px; }
  .tip-num { font-size: 1.5rem; }
  .article-body h2 { font-size: 1.35rem; }
  .internal-cta { flex-direction: column; gap: 10px; }
}