/* UomoVitale GitHub Pages - design system */
:root {
  --uv-navy: #0b2430;
  --uv-navy2: #123746;
  --uv-teal: #168b85;
  --uv-teal2: #38b7aa;
  --uv-gold: #d9a441;
  --uv-cream: #f6f1e8;
  --uv-paper: #fffaf1;
  --uv-ink: #16242a;
  --uv-muted: #66757b;
  --uv-line: #e5ded2;
  --uv-radius: 18px;
  --uv-content-w: 740px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: var(--uv-paper);
  color: var(--uv-ink);
  line-height: 1.65;
  margin: 0;
  font-size: 17px;
}

a { color: var(--uv-teal); text-decoration: underline; text-decoration-thickness: 1px; text-underline-offset: 2px; }
a:hover { color: var(--uv-teal2); }

.site-header {
  background: var(--uv-navy);
  color: #fff;
  padding: 18px 24px;
  border-bottom: 4px solid var(--uv-gold);
}
.site-header .wrap {
  max-width: 1100px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}
.brand {
  font-size: 22px;
  font-weight: 700;
  color: #fff;
  text-decoration: none;
  letter-spacing: 0.4px;
}
.brand .dot { color: var(--uv-gold); }
.nav { display: flex; gap: 16px; flex-wrap: wrap; }
.nav a { color: #d8e4e8; text-decoration: none; font-size: 15px; }
.nav a:hover { color: var(--uv-gold); }

.hero {
  background: linear-gradient(135deg, var(--uv-navy) 0%, var(--uv-navy2) 100%);
  color: #fff;
  padding: 64px 24px 56px;
  text-align: center;
}
.hero h1 { font-size: 40px; line-height: 1.15; margin: 0 0 18px; max-width: 820px; margin-inline: auto; }
.hero p.lead { font-size: 18px; color: #cfdde0; max-width: 720px; margin: 0 auto 28px; }
.btn-primary {
  display: inline-block;
  background: var(--uv-gold);
  color: var(--uv-navy);
  padding: 14px 28px;
  border-radius: 999px;
  font-weight: 700;
  text-decoration: none;
  font-size: 16px;
}
.btn-primary:hover { background: #f0b659; color: var(--uv-navy); }

main { max-width: var(--uv-content-w); margin: 0 auto; padding: 48px 24px; }
main.wide { max-width: 1100px; }

article h1 { font-size: 32px; line-height: 1.2; margin: 0 0 12px; color: var(--uv-navy); }
article h2 { font-size: 24px; line-height: 1.3; margin: 36px 0 14px; color: var(--uv-navy); }
article h3 { font-size: 20px; margin: 28px 0 10px; color: var(--uv-navy2); }
article p { margin: 0 0 16px; }
article ul, article ol { padding-left: 24px; margin: 0 0 18px; }
article li { margin-bottom: 6px; }

.byline {
  font-size: 14px;
  color: var(--uv-muted);
  border-bottom: 1px solid var(--uv-line);
  padding-bottom: 16px;
  margin-bottom: 32px;
}
.byline strong { color: var(--uv-navy); }

.topic-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 20px;
  margin: 36px 0;
}
.topic-card {
  background: #fff;
  border: 1px solid var(--uv-line);
  border-radius: var(--uv-radius);
  padding: 24px;
  transition: transform 0.15s, box-shadow 0.15s;
}
.topic-card:hover { transform: translateY(-2px); box-shadow: 0 8px 24px rgba(0,0,0,0.06); }
.topic-card h3 { margin-top: 0; color: var(--uv-navy); }
.topic-card p { color: var(--uv-muted); font-size: 15px; margin-bottom: 14px; }
.topic-card a.read-more {
  font-weight: 600;
  text-decoration: none;
}
.topic-card a.read-more:after { content: " ›"; }

.callout {
  background: var(--uv-cream);
  border-left: 4px solid var(--uv-gold);
  padding: 18px 22px;
  border-radius: 8px;
  margin: 28px 0;
}
.callout strong { color: var(--uv-navy); }

.facts {
  background: #fff;
  border: 1px solid var(--uv-line);
  border-radius: var(--uv-radius);
  padding: 24px 28px;
  margin: 28px 0;
}
.facts h3 { margin-top: 0; }
.facts ul { padding-left: 22px; }

.cta-box {
  background: var(--uv-navy);
  color: #fff;
  padding: 32px;
  border-radius: var(--uv-radius);
  text-align: center;
  margin: 40px 0;
}
.cta-box h3 { color: #fff; margin: 0 0 10px; font-size: 22px; }
.cta-box p { color: #cfdde0; margin: 0 0 18px; }

.site-footer {
  background: var(--uv-navy);
  color: #99adb3;
  padding: 36px 24px 24px;
  margin-top: 48px;
  border-top: 4px solid var(--uv-gold);
  font-size: 14px;
}
.site-footer .wrap {
  max-width: 1100px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 28px;
}
.site-footer h4 { color: #fff; margin: 0 0 10px; font-size: 15px; }
.site-footer ul { list-style: none; padding: 0; margin: 0; }
.site-footer li { margin-bottom: 4px; }
.site-footer a { color: #cfdde0; text-decoration: none; }
.site-footer a:hover { color: var(--uv-gold); }
.site-footer .copy { text-align: center; padding-top: 24px; border-top: 1px solid #1f3340; margin-top: 24px; color: #6c7e83; }

@media (max-width: 760px) {
  .hero h1 { font-size: 30px; }
  .hero { padding: 44px 20px 36px; }
  main { padding: 32px 20px; }
  article h1 { font-size: 26px; }
}