/* D2CIQ Blog — shared stylesheet */
:root {
  --ink: #111;
  --ink-2: #333;
  --ink-3: #666;
  --muted: #999;
  --line: #e9e7e0;
  --line-soft: #f0eee7;
  --bg: #faf8f3;
  --paper: #fff;
  --green: #008060;
  --green-deep: #006a4f;
  --orange: #FF9500;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
html, body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  font-size: 17px;
  line-height: 1.65;
  color: var(--ink-2);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--green); text-decoration: none; border-bottom: 1px solid rgba(0,128,96,0.25); }
a:hover { border-bottom-color: var(--green); }
.blog-nav {
  position: sticky; top: 0; z-index: 50;
  background: rgba(250,248,243,0.94); backdrop-filter: saturate(180%) blur(10px);
  border-bottom: 1px solid var(--line);
  padding: 14px 24px; display: flex; align-items: center; justify-content: space-between;
}
.blog-nav .brand { font-size: 18px; font-weight: 700; letter-spacing: -0.01em; color: var(--ink); border: none; }
.blog-nav .brand strong { color: var(--orange); }
.blog-nav .nav-cta {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 8px 16px; background: var(--ink); color: #fff;
  border-radius: 8px; font-size: 13px; font-weight: 600; border: none;
}
.blog-nav .nav-cta:hover { background: #000; }

.wrap { max-width: 720px; margin: 0 auto; padding: 48px 24px 80px; }
.wrap-wide { max-width: 1080px; margin: 0 auto; padding: 56px 24px 80px; }

article header { margin-bottom: 36px; }
.eyebrow {
  display: inline-block; font-size: 12px; font-weight: 700; letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--orange); margin-bottom: 12px;
}
h1 {
  font-size: 40px; font-weight: 800; letter-spacing: -0.025em; line-height: 1.15;
  color: var(--ink); margin-bottom: 12px;
}
.lede {
  font-size: 19px; line-height: 1.55; color: var(--ink-3); margin-bottom: 24px;
}
.meta {
  font-size: 13px; color: var(--muted);
  display: flex; gap: 12px; flex-wrap: wrap;
  border-top: 1px solid var(--line); border-bottom: 1px solid var(--line);
  padding: 14px 0; margin-bottom: 36px;
}
.meta span { display: inline-flex; align-items: center; gap: 4px; }

article h2 {
  font-size: 26px; font-weight: 700; letter-spacing: -0.015em; line-height: 1.25;
  color: var(--ink); margin: 42px 0 14px;
}
article h3 {
  font-size: 19px; font-weight: 700; letter-spacing: -0.01em;
  color: var(--ink); margin: 28px 0 10px;
}
article p { margin-bottom: 16px; }
article ul, article ol { margin: 14px 0 18px 24px; }
article li { margin-bottom: 8px; }
article strong { color: var(--ink); font-weight: 700; }
article blockquote {
  border-left: 3px solid var(--orange);
  padding: 4px 18px;
  font-style: italic;
  color: var(--ink-2);
  margin: 18px 0;
}
article code {
  background: var(--line-soft); padding: 2px 6px; border-radius: 4px;
  font-family: ui-monospace, 'SF Mono', 'Cascadia Code', monospace;
  font-size: 0.92em; color: #b8336f;
}
article table {
  width: 100%; border-collapse: collapse; margin: 18px 0;
  background: var(--paper); border: 1px solid var(--line); border-radius: 8px; overflow: hidden;
  font-size: 15px;
}
article th, article td { padding: 10px 14px; text-align: left; border-bottom: 1px solid var(--line); }
article th { background: var(--line-soft); font-weight: 700; color: var(--ink); }
article tr:last-child td { border-bottom: none; }

.callout {
  background: linear-gradient(135deg, rgba(0,128,96,0.05), rgba(0,128,96,0.02));
  border: 1px solid rgba(0,128,96,0.18); border-radius: 12px;
  padding: 20px 22px; margin: 24px 0;
}
.callout strong { color: var(--green-deep); }
.cta-box {
  margin: 36px 0;
  padding: 28px 28px; background: var(--ink); color: #fff;
  border-radius: 14px; text-align: center;
}
.cta-box h3 { color: #fff; margin: 0 0 6px; font-size: 22px; font-weight: 700; letter-spacing: -0.015em; }
.cta-box p { color: rgba(255,255,255,0.78); margin-bottom: 18px; font-size: 15px; }
.cta-box .btn {
  display: inline-block; padding: 12px 22px;
  background: var(--orange); color: #fff;
  border-radius: 9px; font-weight: 700; font-size: 14px; border: none;
}
.cta-box .btn:hover { background: #e88500; }

.faq { margin-top: 56px; padding-top: 36px; border-top: 1px solid var(--line); }
.faq h2 { margin-top: 0; }
.faq details {
  border-bottom: 1px solid var(--line); padding: 16px 0;
}
.faq summary {
  cursor: pointer; font-weight: 700; font-size: 17px; color: var(--ink);
  list-style: none; display: flex; justify-content: space-between; align-items: center;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: '+'; font-size: 22px; color: var(--orange); font-weight: 400; }
.faq details[open] summary::after { content: '−'; }
.faq details > div { padding-top: 12px; color: var(--ink-2); }

.related {
  margin-top: 56px; padding-top: 36px; border-top: 1px solid var(--line);
}
.related h2 { font-size: 22px; margin-bottom: 18px; }
.related-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 14px; }
.related-card {
  display: block; padding: 18px; background: var(--paper);
  border: 1px solid var(--line); border-radius: 12px;
  text-decoration: none; color: var(--ink); border-bottom: 1px solid var(--line);
  transition: border-color 0.15s, transform 0.12s;
}
.related-card:hover { border-color: var(--orange); transform: translateY(-2px); }
.related-card .eyebrow { color: var(--muted); margin-bottom: 8px; font-size: 11px; }
.related-card h3 { font-size: 16px; font-weight: 700; color: var(--ink); margin: 0; line-height: 1.4; }

footer.site-foot {
  margin-top: 80px; padding: 24px; border-top: 1px solid var(--line);
  color: var(--muted); font-size: 13px; text-align: center;
}
footer.site-foot a { color: var(--ink-2); }

/* Blog index */
.idx-hero { padding: 48px 24px 36px; text-align: center; }
.idx-hero h1 { font-size: 44px; margin-bottom: 12px; }
.idx-hero p { color: var(--ink-3); font-size: 18px; max-width: 620px; margin: 0 auto; }
.idx-list { max-width: 880px; margin: 0 auto; padding: 0 24px 60px; display: flex; flex-direction: column; gap: 14px; }
.idx-item {
  display: block; padding: 24px 26px;
  background: var(--paper); border: 1px solid var(--line); border-radius: 14px;
  text-decoration: none; color: var(--ink); border-bottom: 1px solid var(--line);
  transition: border-color 0.15s, transform 0.12s;
}
.idx-item:hover { border-color: var(--orange); transform: translateY(-2px); }
.idx-item .eyebrow { color: var(--orange); margin-bottom: 8px; }
.idx-item h2 { font-size: 22px; font-weight: 700; color: var(--ink); margin-bottom: 8px; letter-spacing: -0.01em; line-height: 1.3; }
.idx-item p { color: var(--ink-3); font-size: 15px; line-height: 1.55; }
.idx-item .when { font-size: 12px; color: var(--muted); margin-top: 10px; display: block; }

@media (max-width: 640px) {
  h1 { font-size: 30px; }
  .idx-hero h1 { font-size: 32px; }
  article h2 { font-size: 22px; }
  .wrap { padding: 32px 18px 60px; }
  body { font-size: 16px; }
}