/* Shared styles for SEO / doc subpages */

.doc-page { padding: 64px 0 96px; border-bottom: 1px solid var(--rule); }
.doc-meta {
  display: flex; align-items: center; gap: 14px;
  font-family: 'JetBrains Mono', monospace; font-size: 11px;
  letter-spacing: 0.14em; text-transform: uppercase; color: var(--ink-3); margin-bottom: 40px;
}
.doc-meta .num { color: var(--signal); font-weight: 500; }
.doc-meta .rule { flex: 1; height: 1px; background: var(--rule); }
.doc-grid {
  display: grid; grid-template-columns: 240px minmax(0, 1fr);
  gap: 80px; align-items: start;
}
.doc-sidebar {
  position: sticky; top: 96px; display: flex; flex-direction: column; gap: 28px;
  font-family: 'JetBrains Mono', monospace; font-size: 11px;
  letter-spacing: 0.10em; text-transform: uppercase; color: var(--ink-3);
}
.doc-side-block { display: flex; flex-direction: column; gap: 8px; }
.doc-side-label { color: var(--signal); font-weight: 500; }
.doc-side-meta { color: var(--ink-2); font-size: 10.5px; letter-spacing: 0.10em; line-height: 1.45; }
.doc-toc {
  display: flex; flex-direction: column; gap: 10px;
  border-top: 1px solid var(--rule); padding-top: 18px;
}
.doc-toc a {
  color: var(--ink-3); text-decoration: none; font-size: 11px;
  letter-spacing: 0.08em; transition: color 160ms ease; line-height: 1.45;
}
.doc-toc a:hover { color: var(--signal); }
.doc-toc a span { margin-right: 8px; opacity: 0.65; }
.doc-article { display: flex; flex-direction: column; gap: 48px; }
.doc-kicker {
  font-family: 'JetBrains Mono', monospace; font-size: 11px; font-weight: 500;
  letter-spacing: 0.14em; text-transform: uppercase; color: var(--signal); margin-bottom: 16px;
}
.doc-title {
  font-family: 'Instrument Serif', serif; font-size: clamp(44px, 6vw, 80px);
  line-height: 0.98; letter-spacing: -0.025em; max-width: 15ch;
}
.doc-title em { font-style: italic; color: var(--signal); }
.doc-lede {
  margin-top: 24px; max-width: 62ch; font-size: 18px; line-height: 1.58; color: var(--ink-2);
}
.doc-section { display: flex; flex-direction: column; gap: 16px; max-width: 64ch; }
.doc-section h2 {
  font-family: 'Instrument Serif', serif; font-size: clamp(26px, 2.6vw, 34px);
  line-height: 1.1; letter-spacing: -0.018em; font-weight: 400;
}
.doc-section h2 em { font-style: italic; color: var(--signal); }
.doc-section h2 .doc-section-num {
  display: block; font-family: 'JetBrains Mono', monospace; font-size: 11px;
  font-style: normal; color: var(--signal); letter-spacing: 0.14em;
  text-transform: uppercase; margin-bottom: 8px; font-weight: 500;
}
.doc-section p, .doc-section li {
  font-size: 16.5px; line-height: 1.68; color: var(--ink-2);
}
.doc-section ul { padding-left: 1.2em; }
.doc-section li { margin-bottom: 8px; }
.doc-section strong { color: var(--ink); font-weight: 500; }
.doc-legal-callout {
  max-width: 64ch;
  padding: 16px 18px;
  border: 1px solid var(--rule);
  border-left: 3px solid var(--signal);
  background: var(--bone-2);
  font-size: 14px;
  line-height: 1.55;
  color: var(--ink-2);
}
.doc-legal-callout a { color: var(--signal); }
.compare-table {
  width: 100%; border-collapse: collapse; font-size: 14px; margin-top: 8px;
}
.compare-table th, .compare-table td {
  border: 1px solid var(--rule); padding: 12px 14px; text-align: left; vertical-align: top;
}
.compare-table th { background: var(--bone-2); font-weight: 600; color: var(--ink); }
.doc-cta { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 8px; }
.doc-back {
  margin-top: 48px; display: inline-flex; align-items: center; gap: 6px;
  font-family: 'JetBrains Mono', monospace; font-size: 11px; letter-spacing: 0.12em;
  text-transform: uppercase; color: var(--ink-3); text-decoration: none;
}
.doc-back:hover { color: var(--signal); }
@media (max-width: 960px) {
  .doc-grid { grid-template-columns: 1fr; gap: 40px; }
  .doc-sidebar { position: static; padding-bottom: 24px; border-bottom: 1px solid var(--rule); }
  .doc-toc { border-top: 0; padding-top: 0; }
}

/* Blog index */
.blog-index-header { margin-bottom: 48px; max-width: 52ch; }
.blog-index-title {
  font-family: 'Instrument Serif', serif;
  font-size: clamp(40px, 5.5vw, 64px);
  line-height: 1.02;
  letter-spacing: -0.025em;
  font-weight: 400;
}
.blog-index-title em { font-style: italic; color: var(--signal); }
.blog-index-lede {
  margin-top: 18px;
  font-size: 18px;
  line-height: 1.6;
  color: var(--ink-2);
}
.blog-section-label {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--signal);
  margin-bottom: 16px;
}
.blog-featured { margin-bottom: 56px; }
.blog-featured-card {
  display: block;
  padding: 32px 32px 28px;
  border: 1px solid var(--ink);
  background: var(--bone-2);
  text-decoration: none;
  color: inherit;
  transition: background 160ms ease, box-shadow 160ms ease;
}
.blog-featured-card:hover {
  background: var(--bone);
  box-shadow: 0 16px 40px -20px rgba(20, 15, 10, 0.2);
}
.blog-featured-meta {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-3);
  margin-bottom: 16px;
}
.blog-tag {
  color: var(--signal);
  font-weight: 500;
}
.blog-featured-title {
  font-family: 'Instrument Serif', serif;
  font-size: clamp(28px, 3.5vw, 40px);
  line-height: 1.05;
  letter-spacing: -0.02em;
  font-weight: 400;
  max-width: 22ch;
}
.blog-featured-title em { font-style: italic; color: var(--signal); }
.blog-featured-excerpt {
  margin-top: 14px;
  font-size: 16px;
  line-height: 1.6;
  color: var(--ink-2);
  max-width: 58ch;
}
.blog-read-more {
  display: inline-block;
  margin-top: 20px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--signal);
}
.blog-post-list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--ink);
}
.blog-post-row {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 24px;
  padding: 22px 0;
  border-bottom: 1px solid var(--rule);
  text-decoration: none;
  color: inherit;
  transition: color 160ms ease;
}
.blog-post-row:hover .blog-post-row-title { color: var(--signal); }
.blog-post-row-main { display: flex; flex-direction: column; gap: 6px; min-width: 0; }
.blog-post-row-title {
  font-size: 17px;
  font-weight: 500;
  line-height: 1.35;
  color: var(--ink);
}
.blog-post-row-excerpt {
  font-size: 14px;
  line-height: 1.5;
  color: var(--ink-3);
}
.blog-post-row-date {
  flex-shrink: 0;
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--ink-3);
  padding-top: 4px;
}
@media (max-width: 640px) {
  .blog-post-row { flex-direction: column; gap: 8px; }
  .blog-featured-card { padding: 24px 22px; }
}

/* Changelog — timeline tabs (magic ui changelog-template inspired) */
.changelog-page { padding-bottom: 0; border-bottom: none; }
.changelog-header { margin-bottom: 36px; max-width: 52ch; }
.changelog-title {
  font-family: 'Instrument Serif', serif;
  font-size: clamp(40px, 5.5vw, 64px);
  line-height: 1.02;
  letter-spacing: -0.025em;
  font-weight: 400;
}
.changelog-title em { font-style: italic; color: var(--signal); }
.changelog-lede {
  margin-top: 16px;
  font-size: 17px;
  line-height: 1.58;
  color: var(--ink-2);
}
.changelog-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 48px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--rule);
}
.changelog-tab {
  padding: 8px 14px;
  border: 1px solid var(--rule);
  background: var(--bone);
  color: var(--ink-3);
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  cursor: pointer;
  transition: border-color 0.15s ease, color 0.15s ease, background 0.15s ease;
}
.changelog-tab:hover {
  border-color: var(--ink-3);
  color: var(--ink-2);
}
.changelog-tab.is-active {
  border-color: var(--ink);
  background: var(--ink);
  color: var(--bone);
}
.changelog-timeline {
  display: flex;
  flex-direction: column;
  gap: 0;
  margin-bottom: 48px;
}
.changelog-entry {
  display: grid;
  grid-template-columns: 140px 24px minmax(0, 1fr);
  gap: 0 28px;
  padding-bottom: 48px;
  position: relative;
}
.changelog-entry:not(:last-child) .changelog-entry-rail::before {
  content: '';
  position: absolute;
  left: 50%;
  top: 12px;
  bottom: -48px;
  width: 1px;
  background: var(--rule);
  transform: translateX(-50%);
}
.changelog-entry-date {
  text-align: right;
  padding-top: 2px;
}
.changelog-entry-date time {
  display: block;
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ink-3);
  line-height: 1.5;
}
.changelog-version {
  display: inline-block;
  margin-top: 6px;
  font-size: 10px;
  color: var(--signal);
}
.changelog-entry-rail {
  position: relative;
  display: flex;
  justify-content: center;
}
.changelog-entry-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--bone);
  border: 2px solid var(--ink);
  margin-top: 4px;
  position: relative;
  z-index: 1;
}
.changelog-entry-body {
  padding-top: 0;
  max-width: 56ch;
}
.changelog-entry-product {
  font-size: 10px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--signal);
  margin-bottom: 8px;
}
.changelog-entry-title {
  font-family: 'Instrument Serif', serif;
  font-size: clamp(22px, 2.4vw, 28px);
  line-height: 1.15;
  letter-spacing: -0.02em;
  font-weight: 400;
  margin-bottom: 12px;
}
.changelog-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 14px;
}
.changelog-tag {
  padding: 3px 8px;
  border: 1px solid var(--rule);
  font-family: 'JetBrains Mono', monospace;
  font-size: 10px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-3);
}
.changelog-items {
  margin: 0;
  padding-left: 1.15em;
  color: var(--ink-2);
  font-size: 15px;
  line-height: 1.65;
}
.changelog-items li { margin-bottom: 6px; }
.changelog-empty {
  color: var(--ink-3);
  font-size: 15px;
  padding: 24px 0;
}
@media (max-width: 720px) {
  .changelog-entry {
    position: relative;
    grid-template-columns: 1fr;
    gap: 12px;
    padding-left: 0;
    border-left: none;
  }
  .changelog-entry-date { text-align: left; }
  .changelog-entry-rail { display: none; }
}