/* Long-form prose layout for blog posts + spec pages.
   Applies to <article class="prose"> containers. */
.prose-wrap {
  padding: 72px 0 96px;
  background: linear-gradient(180deg, #FFFFFF 0%, #F8FAFC 100%);
}
.prose {
  max-width: 720px;
  margin: 0 auto;
  padding: 0 24px;
  color: var(--ink, #082A57);
  font-size: 17px;
  line-height: 1.68;
  font-family: "DM Sans", "Inter", system-ui, sans-serif;
}
.prose .eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--teal, #0F4C5C);
  font-family: var(--mono, "JetBrains Mono", ui-monospace, monospace);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: .14em;
  text-transform: uppercase;
  margin-bottom: 16px;
}
.prose .eyebrow::before {
  content: "";
  width: 32px; height: 2px;
  background: var(--teal, #0F4C5C);
  border-radius: 2px;
}
.prose h1 {
  font-family: "Instrument Serif", Georgia, serif;
  font-size: clamp(36px, 5vw, 56px);
  font-weight: 400;
  line-height: 1.05;
  letter-spacing: -.02em;
  margin: 0 0 20px;
  color: var(--ink, #082A57);
}
.prose h1 .it { font-style: italic; color: var(--teal, #0F4C5C); }
.prose .meta {
  color: var(--muted, #4b5b6f);
  font-size: 14px;
  margin: 0 0 44px;
  padding-bottom: 18px;
  border-bottom: 1px solid rgba(8,42,87,.10);
}
.prose .meta strong { color: var(--ink, #082A57); font-weight: 700; }
.prose h2 {
  font-family: "Instrument Serif", Georgia, serif;
  font-size: 30px;
  font-weight: 400;
  line-height: 1.15;
  letter-spacing: -.015em;
  margin: 48px 0 16px;
  color: var(--ink, #082A57);
}
.prose h3 {
  font-family: "DM Sans", "Inter", system-ui, sans-serif;
  font-size: 20px;
  font-weight: 700;
  line-height: 1.25;
  letter-spacing: -.01em;
  margin: 32px 0 12px;
  color: var(--ink, #082A57);
}
.prose h4 {
  font-family: "DM Sans", "Inter", system-ui, sans-serif;
  font-size: 15px;
  font-weight: 800;
  letter-spacing: .02em;
  margin: 24px 0 8px;
  color: var(--ink, #082A57);
  text-transform: uppercase;
}
.prose p { margin: 0 0 18px; }
.prose strong { color: var(--ink, #082A57); font-weight: 700; }
.prose em { font-style: italic; }
.prose a {
  color: var(--teal, #0F4C5C);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
  transition: opacity .15s;
}
.prose a:hover { opacity: .75; }
.prose ul, .prose ol { padding-left: 24px; margin: 0 0 20px; }
.prose li { margin-bottom: 8px; }
.prose ul li::marker { color: var(--teal, #0F4C5C); }
.prose blockquote {
  margin: 24px 0;
  padding: 4px 0 4px 20px;
  border-left: 3px solid var(--teal, #0F4C5C);
  color: var(--muted, #4b5b6f);
  font-style: italic;
}
.prose hr {
  margin: 40px 0;
  border: none;
  border-top: 1px solid rgba(8,42,87,.10);
}
.prose code {
  font-family: var(--mono, "JetBrains Mono", ui-monospace, monospace);
  font-size: .88em;
  background: #F1F5F9;
  border: 1px solid rgba(8,42,87,.08);
  padding: 1px 6px;
  border-radius: 4px;
  color: var(--ink, #082A57);
}
.prose pre {
  margin: 20px 0;
  padding: 18px 20px;
  background: #0B1220;
  color: #E7EEF7;
  border-radius: 10px;
  overflow-x: auto;
  font-size: 13px;
  line-height: 1.55;
  border: 1px solid rgba(8,42,87,.15);
}
.prose pre code {
  background: transparent;
  border: none;
  padding: 0;
  color: inherit;
  font-size: inherit;
}
.prose table {
  width: 100%;
  border-collapse: collapse;
  margin: 20px 0;
  font-size: 14px;
}
.prose th {
  text-align: left;
  padding: 10px 12px;
  border-bottom: 1px solid rgba(8,42,87,.20);
  color: var(--muted, #4b5b6f);
  font-family: var(--mono, monospace);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .06em;
  text-transform: uppercase;
}
.prose td {
  padding: 12px;
  border-bottom: 1px solid rgba(8,42,87,.08);
  vertical-align: top;
}
.prose .callout {
  margin: 24px 0;
  padding: 18px 22px;
  background: rgba(15,76,92,.05);
  border-left: 3px solid var(--teal, #0F4C5C);
  border-radius: 8px;
}
.prose .callout p:last-child { margin-bottom: 0; }

/* Post/spec footer nav */
.prose-footnav {
  margin-top: 56px;
  padding-top: 24px;
  border-top: 1px solid rgba(8,42,87,.10);
  display: flex;
  justify-content: space-between;
  gap: 20px;
  flex-wrap: wrap;
  font-size: 14px;
}
.prose-footnav a { color: var(--teal, #0F4C5C); text-decoration: none; font-weight: 600; }
.prose-footnav a:hover { text-decoration: underline; }

/* Blog index — card grid */
.blog-index {
  max-width: 1000px;
  margin: 0 auto;
  padding: 72px 24px 96px;
}
.blog-index .head { max-width: 720px; margin: 0 auto 44px; text-align: center; }
.blog-index h1 {
  font-family: "Instrument Serif", Georgia, serif;
  font-size: clamp(38px, 5vw, 56px);
  font-weight: 400;
  line-height: 1.05;
  letter-spacing: -.02em;
  color: var(--ink, #082A57);
  margin: 12px 0 12px;
}
.blog-index h1 .it { font-style: italic; color: var(--teal, #0F4C5C); }
.blog-index .lead {
  color: var(--muted, #4b5b6f);
  font-size: 18px;
  line-height: 1.55;
}
.blog-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 24px;
}
.blog-card {
  padding: 28px;
  background: #fff;
  border: 1px solid rgba(8,42,87,.10);
  border-radius: 16px;
  transition: transform .18s, box-shadow .18s, border-color .18s;
  text-decoration: none;
  color: inherit;
  display: block;
}
.blog-card:hover {
  transform: translateY(-2px);
  border-color: rgba(15,76,92,.30);
  box-shadow: 0 20px 40px rgba(8,42,87,.10);
}
.blog-card .tag {
  display: inline-block;
  font-family: var(--mono, monospace);
  font-size: 10px;
  font-weight: 800;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--teal, #0F4C5C);
  background: rgba(15,76,92,.08);
  padding: 3px 10px;
  border-radius: 999px;
  margin-bottom: 12px;
}
.blog-card h3 {
  font-family: "Instrument Serif", Georgia, serif;
  font-size: 24px;
  font-weight: 400;
  line-height: 1.15;
  color: var(--ink, #082A57);
  margin: 0 0 10px;
}
.blog-card p {
  color: var(--muted, #4b5b6f);
  font-size: 14.5px;
  line-height: 1.55;
  margin: 0 0 14px;
}
.blog-card .date {
  font-family: var(--mono, monospace);
  font-size: 11px;
  color: var(--muted-soft, #6B7C8F);
  letter-spacing: .04em;
}