/* ============================================================================
   IP ANIMALS — /learn/ article styles
   Loaded alongside the main style.css (which provides the palette variables
   and page background). This adds reading-optimised typography.
   ============================================================================ */

.learn-top {
  max-width: 820px;
  margin: 0 auto 1.2rem;
  display: flex; align-items: center; justify-content: space-between;
  gap: 1rem; flex-wrap: wrap;
}
.learn-home {
  display: inline-flex; align-items: center; gap: 0.4rem;
  text-decoration: none; font-weight: 800; color: var(--grass-dk);
  font-size: 1.05rem;
}
.learn-home:hover { text-decoration: underline; }
.learn-nav a {
  text-decoration: none; color: var(--ink-soft); font-weight: 700;
  font-size: 0.92rem; margin-left: 0.9rem;
}
.learn-nav a:hover { color: var(--grass-dk); }

/* breadcrumb */
.crumbs {
  max-width: 820px; margin: 0 auto 0.8rem;
  font-size: 0.85rem; color: var(--ink-soft);
}
.crumbs a { color: var(--grass-dk); text-decoration: none; font-weight: 700; }
.crumbs a:hover { text-decoration: underline; }
.crumbs span { opacity: 0.6; margin: 0 0.35rem; }

/* the article card */
.article {
  max-width: 820px;
  margin: 0 auto;
  background: var(--card);
  border: 1px solid var(--card-edge);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  padding: clamp(1.4rem, 4vw, 3rem);
}
.article .kicker {
  display: inline-block;
  font-size: 0.75rem; font-weight: 800; letter-spacing: 0.6px;
  text-transform: uppercase;
  color: var(--grass-dk);
  background: #eef7ea; border: 1px solid var(--card-edge);
  padding: 0.25rem 0.7rem; border-radius: 999px;
  margin-bottom: 0.9rem;
}
.article h1 {
  font-size: clamp(1.8rem, 5vw, 2.6rem);
  line-height: 1.15; margin: 0 0 0.6rem;
  color: var(--ink);
}
.article .lead {
  font-size: 1.18rem; color: var(--ink-soft);
  margin: 0 0 1.6rem; line-height: 1.6;
}
.article h2 {
  font-size: 1.5rem; margin: 2rem 0 0.7rem;
  color: var(--ink); scroll-margin-top: 1rem;
  border-bottom: 2px solid var(--card-edge); padding-bottom: 0.3rem;
}
.article h3 { font-size: 1.18rem; margin: 1.4rem 0 0.5rem; color: var(--ink); }
.article p { margin: 0 0 1rem; font-size: 1.04rem; line-height: 1.7; color: #333c44; }
.article ul, .article ol { margin: 0 0 1.2rem; padding-left: 1.4rem; line-height: 1.7; color: #333c44; }
.article li { margin: 0.35rem 0; }
.article strong { color: var(--ink); }
.article a { color: var(--grass-dk); font-weight: 600; }
.article code {
  background: #f1f5f0; border: 1px solid var(--card-edge);
  padding: 0.08rem 0.38rem; border-radius: 6px;
  font-family: ui-monospace, Menlo, Consolas, monospace; font-size: 0.9em;
  color: #295c1f; word-break: break-word;
}
.article pre {
  background: #23303a; color: #e8f0e6;
  padding: 1rem 1.2rem; border-radius: 12px;
  overflow-x: auto; margin: 0 0 1.2rem; font-size: 0.9rem; line-height: 1.5;
}
.article pre code { background: none; border: none; color: inherit; padding: 0; }

/* callout / key-fact box */
.callout {
  background: linear-gradient(135deg, #eff9ee, #fff7e8);
  border: 1px solid var(--card-edge);
  border-left: 5px solid var(--grass);
  border-radius: 12px;
  padding: 1rem 1.2rem; margin: 1.4rem 0;
}
.callout p:last-child { margin-bottom: 0; }
.callout .callout-title { font-weight: 800; color: var(--ink); display: block; margin-bottom: 0.3rem; }

/* nice tables */
.article .table-wrap { overflow-x: auto; margin: 0 0 1.3rem; }
.article table { border-collapse: collapse; width: 100%; font-size: 0.95rem; }
.article th, .article td { border: 1px solid var(--card-edge); padding: 0.55rem 0.7rem; text-align: left; }
.article th { background: #eef7ea; font-weight: 800; color: var(--ink); }

/* FAQ */
.article-faq { margin-top: 2rem; }
.article-faq details {
  border: 1px solid var(--card-edge); border-radius: 12px;
  padding: 0.4rem 1rem; margin: 0.6rem 0; background: #fbfdfa;
}
.article-faq summary { font-weight: 800; cursor: pointer; padding: 0.5rem 0; color: var(--ink); }
.article-faq p { margin: 0.2rem 0 0.8rem; }

/* related links */
.related {
  max-width: 820px; margin: 1.6rem auto 0;
  background: var(--card); border: 1px solid var(--card-edge);
  border-radius: var(--radius); box-shadow: var(--shadow-sm);
  padding: 1.4rem 1.6rem;
}
.related h2 { font-size: 1.2rem; margin: 0 0 0.8rem; }
.related ul { list-style: none; padding: 0; margin: 0; display: grid; gap: 0.5rem; }
.related a { text-decoration: none; color: var(--grass-dk); font-weight: 700; }
.related a:hover { text-decoration: underline; }
.related a::before { content: "📄 "; }

/* the CTA back to the zoo */
.learn-cta {
  max-width: 820px; margin: 1.6rem auto 0; text-align: center;
  color: var(--ink-soft); font-size: 0.95rem;
}
.learn-cta a { color: var(--grass-dk); font-weight: 800; text-decoration: none; }

/* ============================================================================
   HUB (/learn/index.html)
   ============================================================================ */
.hub-head { max-width: 900px; margin: 0 auto 1.4rem; text-align: center; }
.hub-head h1 { font-size: clamp(2rem, 6vw, 3rem); margin: 0.3rem 0; }
.hub-head p { color: var(--ink-soft); font-size: 1.1rem; max-width: 620px; margin: 0.4rem auto; }

.hub-search {
  display: block; width: 100%; max-width: 460px; margin: 1.2rem auto 0;
  padding: 0.7rem 1rem; border-radius: 999px; border: 2px solid var(--card-edge);
  font-family: inherit; font-size: 1rem; background: #fff; color: var(--ink);
  box-shadow: var(--shadow-sm);
}
.hub-search:focus { outline: none; border-color: var(--grass); }

.hub-cat { max-width: 1000px; margin: 2.2rem auto 0; }
.hub-cat > h2 {
  font-size: 1.4rem; margin: 0 0 0.9rem; color: var(--ink);
  display: flex; align-items: center; gap: 0.5rem;
}
.hub-grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 0.9rem;
}
.hub-card {
  display: block; text-decoration: none; color: inherit;
  background: var(--card); border: 1px solid var(--card-edge);
  border-radius: 14px; padding: 1rem 1.1rem;
  box-shadow: var(--shadow-sm);
  transition: transform 0.15s ease, box-shadow 0.15s ease, border-color 0.15s ease;
}
.hub-card:hover { transform: translateY(-4px); box-shadow: var(--shadow); border-color: var(--grass); }
.hub-card h3 { margin: 0 0 0.3rem; font-size: 1.05rem; color: var(--ink); }
.hub-card p { margin: 0; font-size: 0.88rem; color: var(--ink-soft); line-height: 1.5; }
.hub-card.is-hidden { display: none; }
.hub-cat.is-hidden { display: none; }