/* SEO landing pages (calculators/) and Learn articles (learn/).
   Kept separate from site.css so growth content ships on its own branches
   without conflicting on the shared stylesheet. */

.eyebrow {
  font-family: var(--font-sans);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
  margin: 0 0 0.75rem;
}

/* Long-form explainer prose under the calculator. */
.seo-prose {
  max-width: 44rem;
  margin: 3rem auto 0;
  font-family: var(--font-sans);
  color: var(--ink-soft);
  font-size: 1rem;
  line-height: 1.7;
}
.seo-prose h2 {
  font-family: var(--font-serif);
  color: var(--ink);
  font-size: 1.45rem;
  margin: 2.25rem 0 0.75rem;
  line-height: 1.3;
}
.seo-prose h2:first-child { margin-top: 0; }
.seo-prose p { margin: 0 0 1rem; }
.seo-prose ol, .seo-prose ul { margin: 0 0 1rem 1.25rem; padding: 0; }
.seo-prose li { margin-bottom: 0.5rem; }
.seo-prose strong { color: var(--ink); }
.seo-prose .fine-print {
  font-size: 0.85rem;
  color: var(--ink-faint);
  border-top: 1px solid var(--border);
  padding-top: 1rem;
  margin-top: 1.5rem;
}

/* FAQ accordion. */
.seo-faq {
  max-width: 44rem;
  margin: 2.5rem auto 0;
}
.seo-faq h2 {
  font-family: var(--font-serif);
  color: var(--ink);
  font-size: 1.45rem;
  margin: 0 0 1rem;
}
.seo-faq details {
  border: 1px solid var(--border);
  border-radius: 0.6rem;
  background: var(--surface);
  margin-bottom: 0.6rem;
  overflow: hidden;
}
.seo-faq summary {
  cursor: pointer;
  padding: 0.9rem 1.1rem;
  font-family: var(--font-sans);
  font-weight: 600;
  color: var(--ink);
  list-style: none;
}
.seo-faq summary::-webkit-details-marker { display: none; }
.seo-faq summary::after {
  content: "+";
  float: right;
  color: var(--accent);
  font-weight: 700;
}
.seo-faq details[open] summary::after { content: "–"; }
.seo-faq details p {
  padding: 0 1.1rem 1rem;
  margin: 0;
  font-family: var(--font-sans);
  color: var(--ink-soft);
  font-size: 0.95rem;
  line-height: 1.65;
}

/* Signup CTA banner. */
.seo-cta {
  margin: 3rem auto 0;
  max-width: 44rem;
  text-align: center;
  background: var(--surface-sunken);
  border: 1px solid var(--border);
  border-radius: 0.9rem;
  padding: 2.25rem 1.5rem;
}
.seo-cta h2 {
  font-family: var(--font-serif);
  color: var(--ink);
  font-size: 1.5rem;
  margin: 0 0 0.6rem;
}
.seo-cta p {
  font-family: var(--font-sans);
  color: var(--ink-soft);
  margin: 0 0 1.4rem;
}
.seo-cta .hero-cta {
  display: flex;
  gap: 0.75rem;
  justify-content: center;
  flex-wrap: wrap;
}

/* Related-links cluster. */
.seo-related {
  max-width: 44rem;
  margin: 2.5rem auto 0;
}
.seo-related h2 {
  font-family: var(--font-sans);
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--ink-faint);
  margin: 0 0 0.75rem;
}
.seo-related a {
  display: inline-block;
  margin: 0 0.6rem 0.6rem 0;
  padding: 0.55rem 1rem;
  border: 1px solid var(--border);
  border-radius: 999px;
  font-family: var(--font-sans);
  font-size: 0.9rem;
  color: var(--ink);
  text-decoration: none;
  background: var(--surface);
}
.seo-related a:hover { border-color: var(--accent); }

/* Learn article index cards. */
.learn-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(17rem, 1fr));
  gap: 1rem;
  margin-top: 1.5rem;
}
.learn-card {
  display: block;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 0.8rem;
  padding: 1.4rem;
  text-decoration: none;
  color: inherit;
}
.learn-card:hover { border-color: var(--accent); }
.learn-card h3 {
  font-family: var(--font-serif);
  color: var(--ink);
  font-size: 1.15rem;
  margin: 0 0 0.5rem;
  line-height: 1.35;
}
.learn-card p {
  font-family: var(--font-sans);
  color: var(--ink-soft);
  font-size: 0.92rem;
  line-height: 1.6;
  margin: 0 0 0.75rem;
}
.learn-card .read-time {
  font-family: var(--font-sans);
  font-size: 0.78rem;
  color: var(--ink-faint);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}
.article-meta {
  font-family: var(--font-sans);
  font-size: 0.85rem;
  color: var(--ink-faint);
  margin: 0 0 1.5rem;
}
.article-nav {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  max-width: 44rem;
  margin: 3rem auto 0;
  flex-wrap: wrap;
}