:root {
  --canvas: #f7f7f7;
  --paper: #ffffff;
  --ink: #141413;
  --muted: #64748b;
  --line: #e2e8f0;
  --emerald: #059669;
  --slate-900: #141413;
  --max: 1152px;
  --radius: 16px;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: Inter, system-ui, -apple-system, "Segoe UI", sans-serif;
  background: var(--canvas);
  color: var(--ink);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}
.hub-main {
  max-width: var(--max);
  margin: 0 auto;
  padding: 2rem 1.25rem 4rem;
}
.hero { padding: 1rem 0 2.5rem; }
.kicker {
  display: inline-flex;
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 0.35rem 0.75rem;
  font-size: 12px;
  font-weight: 600;
  color: var(--muted);
  background: var(--paper);
}
.hero h1 {
  margin: 1rem 0 0.75rem;
  font-size: clamp(2.2rem, 6vw, 3.25rem);
  font-weight: 800;
  letter-spacing: -0.04em;
  line-height: 1.05;
}
.hero h1 span { color: var(--emerald); }
.lead {
  max-width: 42rem;
  margin: 0;
  color: var(--muted);
  font-size: 1.05rem;
}
.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.75rem;
}
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 3rem;
  padding: 0 1.25rem;
  border-radius: 12px;
  font-size: 15px;
  font-weight: 600;
  text-decoration: none;
  transition: background 0.15s, border-color 0.15s;
}
.btn-primary {
  background: var(--slate-900);
  color: #fff;
}
.btn-primary:hover { background: #2b2b2b; }
.btn-secondary {
  background: var(--paper);
  color: var(--ink);
  border: 1px solid var(--line);
}
.btn-secondary:hover { background: #fafafa; }
.cards {
  display: grid;
  gap: 1rem;
}
@media (min-width: 768px) {
  .cards { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}
.card {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.35rem;
}
.card h2 {
  margin: 0 0 0.5rem;
  font-size: 1.05rem;
  font-weight: 700;
}
.card p {
  margin: 0 0 1rem;
  font-size: 0.92rem;
  color: var(--muted);
}
.card a {
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--emerald);
  text-decoration: none;
}
.card a:hover { text-decoration: underline; }
.blog-teaser {
  margin-top: 2.5rem;
  padding: 1.5rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--paper);
}
.blog-teaser-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1rem;
}
.blog-teaser h2 {
  margin: 0;
  font-size: 1.15rem;
}
.blog-teaser-head > a {
  font-size: 0.9rem;
  color: var(--muted);
  text-decoration: none;
}
.blog-teaser-head > a:hover { color: var(--ink); }
.blog-teaser ul {
  margin: 0;
  padding-left: 1.1rem;
  color: var(--muted);
}
.blog-teaser li { margin: 0.45rem 0; }
.blog-teaser li a {
  color: var(--ink);
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-color: #cbd5e1;
}
.page-title {
  margin: 0 0 0.5rem;
  font-size: clamp(1.75rem, 4vw, 2.25rem);
  font-weight: 800;
  letter-spacing: -0.03em;
}
.page-lead {
  margin: 0 0 2rem;
  max-width: 40rem;
  color: var(--muted);
}
.post-list { list-style: none; padding: 0; margin: 0; }
.post-list li {
  padding: 1rem 0;
  border-bottom: 1px solid var(--line);
}
.post-list a {
  color: var(--ink);
  font-weight: 600;
  text-decoration: none;
}
.post-list a:hover { color: var(--emerald); }
.post-list p {
  margin: 0.35rem 0 0;
  font-size: 0.9rem;
  color: var(--muted);
}
.article {
  max-width: 42rem;
}
.article h1 {
  margin: 0 0 1rem;
  font-size: clamp(1.6rem, 4vw, 2rem);
  letter-spacing: -0.03em;
}
.article p { color: #333; }
.article .back {
  display: inline-block;
  margin-bottom: 1.5rem;
  color: var(--muted);
  text-decoration: none;
  font-size: 0.9rem;
}
.article .back:hover { color: var(--ink); }
.cta-box {
  margin-top: 2rem;
  padding: 1.25rem;
  border-radius: 12px;
  border: 1px solid var(--line);
  background: var(--paper);
}