:root {
  --ink: #222d3f;
  --muted: #607084;
  --line: #dce5e8;
  --paper: #ffffff;
  --wash: #f4f8f7;
  --teal: #147b71;
  --teal-soft: #d9f2ed;
  --coral: #dd5f50;
  --yellow: #f4c84e;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  color: var(--ink);
  background: var(--wash);
  font: 16px/1.7 system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

a { color: var(--teal); text-underline-offset: 3px; }
a:hover { color: #0e625a; }

.site-header {
  border-bottom: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.96);
}

.site-header-inner {
  width: min(1120px, calc(100% - 32px));
  min-height: 68px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.site-brand {
  color: var(--ink);
  font-size: 17px;
  font-weight: 900;
  text-decoration: none;
}

.site-nav { display: flex; flex-wrap: wrap; gap: 8px 18px; }
.site-nav a { color: var(--ink); font-size: 14px; font-weight: 800; text-decoration: none; }
.site-nav a:hover, .site-nav a[aria-current="page"] { color: var(--teal); }

.content-shell {
  width: min(1120px, calc(100% - 32px));
  margin: 0 auto;
  padding: 42px 0 80px;
}

.breadcrumbs { margin: 0 0 22px; color: var(--muted); font-size: 14px; }
.breadcrumbs a { font-weight: 700; }

.content-hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(260px, 360px);
  gap: 40px;
  align-items: center;
  padding: 36px 0 46px;
  border-bottom: 1px solid var(--line);
}

.content-hero.simple { grid-template-columns: minmax(0, 780px); }
.eyebrow { margin: 0 0 8px; color: var(--teal); font-size: 13px; font-weight: 900; text-transform: uppercase; }
.content-hero h1 { margin: 0; font-size: clamp(38px, 6vw, 68px); line-height: 1.03; letter-spacing: 0; }
.content-hero .lede { max-width: 760px; margin: 18px 0 0; color: var(--muted); font-size: 19px; }

.type-badge {
  aspect-ratio: 1;
  display: grid;
  place-items: center;
  border: 1px solid var(--line);
  border-radius: 8px;
  color: var(--ink);
  background: linear-gradient(145deg, var(--teal-soft), #fff 54%, #fff3d2);
  font-size: clamp(46px, 8vw, 82px);
  font-weight: 950;
}

.content-grid {
  display: grid;
  grid-template-columns: minmax(0, 760px) minmax(220px, 280px);
  gap: 54px;
  align-items: start;
  padding-top: 42px;
}

.prose h2 { margin: 42px 0 12px; font-size: 29px; line-height: 1.2; letter-spacing: 0; }
.prose h2:first-child { margin-top: 0; }
.prose h3 { margin: 25px 0 8px; font-size: 20px; }
.prose p { margin: 0 0 18px; color: #46566a; }
.prose ul { margin: 0 0 22px; padding-left: 22px; }
.prose li { margin-bottom: 8px; color: #46566a; }

.callout {
  margin: 28px 0;
  padding: 18px 20px;
  border-left: 4px solid var(--yellow);
  background: #fff9e8;
}
.callout p { margin: 0; color: #5f4a12; }

.side-panel { position: sticky; top: 22px; display: grid; gap: 22px; }
.side-block { padding: 18px; border: 1px solid var(--line); border-radius: 8px; background: var(--paper); }
.side-block h2 { margin: 0 0 10px; font-size: 17px; }
.side-block ul { margin: 0; padding-left: 18px; }
.side-block li { margin: 7px 0; color: var(--muted); font-size: 14px; }
.side-block p { margin: 0; color: var(--muted); font-size: 14px; }

.button-link {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: 10px 15px;
  border-radius: 6px;
  color: #fff;
  background: var(--ink);
  font-weight: 850;
  text-decoration: none;
}
.button-link:hover { color: #fff; background: var(--teal); }

.card-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; margin-top: 30px; }
.content-card { min-height: 100%; padding: 22px; border: 1px solid var(--line); border-radius: 8px; background: var(--paper); }
.content-card h2, .content-card h3 { margin: 0 0 8px; font-size: 20px; line-height: 1.25; }
.content-card p { margin: 0 0 16px; color: var(--muted); font-size: 15px; }
.content-card a { font-weight: 850; }

.type-list { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.type-code { display: block; margin-bottom: 6px; color: var(--coral); font-size: 28px; font-weight: 950; }

.editorial-meta { margin-top: 40px; padding-top: 18px; border-top: 1px solid var(--line); color: var(--muted); font-size: 14px; }

/* Text-first blog archive inspired by classic Hexo themes. */
.blog-intro { max-width: 760px; margin-bottom: 34px; }
.blog-intro h1 { margin: 0 0 12px; font-size: clamp(36px, 6vw, 60px); line-height: 1.08; }
.blog-intro p { margin: 0; color: var(--muted); font-size: 18px; }
.blog-list { display: grid; gap: 22px; }
.blog-card { position: relative; width: 100%; height: 300px; display: grid; grid-template-columns: minmax(0, 1fr) 320px; overflow: hidden; border: 1px solid var(--line); border-radius: 8px; background: var(--paper); box-shadow: 0 8px 28px rgba(34, 45, 63, .05); transition: transform 160ms ease, box-shadow 160ms ease, border-color 160ms ease; }
.blog-card.no-image { grid-template-columns: 1fr; }
.blog-card:hover { transform: translateY(-2px); border-color: #b8d8d2; box-shadow: 0 14px 34px rgba(34, 45, 63, .1); }
.blog-card-copy { min-width: 0; padding: 27px 30px 30px; overflow: hidden; }
.blog-card h3 { margin: 0; font-size: 22px; line-height: 1.3; font-weight: 900; }
.blog-card h3 a { color: var(--ink); text-decoration: none; }
.blog-card h3 a::after { content: ""; position: absolute; inset: 0; z-index: 2; }
.blog-card h3 a:focus-visible { outline: 3px solid var(--yellow); outline-offset: 4px; }
.blog-meta { margin: 9px 0 16px; color: var(--muted); font-size: 13px; font-weight: 700; }
.blog-excerpt { position: relative; max-height: 156px; overflow: hidden; color: #46566a; }
.blog-excerpt::after { content: ""; position: absolute; right: 0; bottom: 0; left: 0; height: 54px; background: linear-gradient(transparent, var(--paper)); }
.blog-card-image { width: 100%; height: 100%; object-fit: cover; border-left: 1px solid var(--line); }
.article-header { max-width: 880px; padding: 34px 0 38px; border-bottom: 1px solid var(--line); }
.article-header h1 { margin: 0; font-size: clamp(34px, 6vw, 58px); line-height: 1.08; }
.article-header .blog-meta { margin-top: 14px; font-size: 14px; }
.article-cover { width: 100%; max-height: 500px; margin: 34px 0 0; object-fit: cover; border-radius: 8px; }
.blog-article { max-width: 780px; padding-top: 40px; }
.source-note { margin-top: 44px; padding: 18px 20px; border: 1px solid var(--line); background: #fff; color: var(--muted); font-size: 14px; }

.content-footer {
  border-top: 1px solid var(--line);
  background: #fff;
}
.content-footer-inner { width: min(1120px, calc(100% - 32px)); margin: 0 auto; padding: 28px 0 38px; }
.content-footer nav { display: flex; flex-wrap: wrap; gap: 10px 18px; }
.content-footer a { color: var(--ink); font-size: 14px; font-weight: 800; text-decoration: none; }
.content-footer p { max-width: 780px; margin: 14px 0 0; color: var(--muted); font-size: 13px; }

@media (max-width: 860px) {
  .content-hero, .content-grid { grid-template-columns: 1fr; }
  .type-badge { width: min(280px, 70vw); }
  .side-panel { position: static; }
  .card-grid, .type-list { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 620px) {
  .site-header-inner { align-items: flex-start; flex-direction: column; padding: 15px 0; }
  .site-nav { gap: 8px 14px; }
  .content-shell { padding-top: 24px; }
  .content-hero { padding: 22px 0 34px; }
  .content-hero h1 { font-size: 40px; }
  .content-hero .lede { font-size: 17px; }
  .content-grid { gap: 28px; padding-top: 30px; }
  .card-grid, .type-list { grid-template-columns: 1fr; }
  .blog-card { height: 360px; grid-template-columns: 1fr; grid-template-rows: 1fr 120px; }
  .blog-card.no-image { height: 300px; grid-template-rows: 1fr; }
  .blog-card-copy { padding: 22px; }
  .blog-card-image { grid-row: 2; border-top: 1px solid var(--line); border-left: 0; }
  .blog-excerpt { max-height: 130px; }
}