@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800;900&display=swap');

:root {
  --color-primary: #18181b;
  --color-accent: #2563eb;
  --color-accent-hover: #1d4ed8;
  --color-text: #09090b;
  --color-text-muted: #71717a;
  --color-bg: #ffffff;
  --color-bg-alt: #fafafa;
  --color-border: #e4e4e7;
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --max-width: 1200px;
  --max-width-article: 720px;
  --radius: 12px;
  --shadow-sm: 0 1px 2px 0 rgba(0,0,0,0.05);
  --shadow-md: 0 10px 15px -3px rgba(0,0,0,0.04), 0 4px 6px -4px rgba(0,0,0,0.04);
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 16px; scroll-behavior: smooth; -webkit-font-smoothing: antialiased; }
body { font-family: var(--font-sans); color: var(--color-text); background: var(--color-bg); line-height: 1.6; }
.container { max-width: var(--max-width); margin: 0 auto; padding: 0 24px; }
a { color: var(--color-accent); text-decoration: none; transition: all 0.2s ease; }
a:hover { color: var(--color-accent-hover); }
img { max-width: 100%; height: auto; border-radius: var(--radius); }

/* ── Header ── */
.site-header {
  background: rgba(255,255,255,0.8);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border);
  position: sticky; top: 0; z-index: 100;
  padding: 14px 0;
}
.site-header .container { display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.logo { font-size: 1.15rem; font-weight: 700; color: var(--color-primary); letter-spacing: -0.5px; }
.logo:hover { color: var(--color-accent); text-decoration: none; }
.main-nav { display: flex; gap: 20px; align-items: center; }
.main-nav a { color: var(--color-text-muted); font-size: 0.9rem; font-weight: 500; }
.main-nav a:hover { color: var(--color-primary); text-decoration: none; }

/* ── Hero ── */
.hero {
  background: linear-gradient(rgba(0,0,0,0.65), rgba(0,0,0,0.65)),
    url('https://images.unsplash.com/photo-1518455027359-f3f8164ba6bd?auto=format&fit=crop&w=1600&q=80') center center / cover no-repeat;
  border-bottom: 1px solid var(--color-border);
  padding: 140px 0;
  text-align: center;
  position: relative;
}
.hero-title {
  font-size: 3.5rem;
  font-weight: 900;
  letter-spacing: -1.5px;
  margin-bottom: 20px;
  color: #ffffff;
  line-height: 1.1;
  text-shadow: 0 2px 10px rgba(0,0,0,0.4);
}
.hero-subtitle {
  font-size: 1.25rem;
  color: rgba(255,255,255,0.9);
  max-width: 640px;
  margin: 0 auto;
  font-weight: 500;
  text-shadow: 0 1px 5px rgba(0,0,0,0.4);
}

/* ── Sections ── */
.categories, .featured { padding: 80px 0; }
.categories h2, .featured h2 { font-size: 1.75rem; font-weight: 800; margin-bottom: 32px; letter-spacing: -0.6px; color: var(--color-primary); }

/* ── Category Grid ── */
.category-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(320px, 1fr)); gap: 20px; }
.category-card {
  display: block; padding: 28px;
  background: var(--color-bg); border: 1px solid var(--color-border);
  border-radius: var(--radius); color: var(--color-text);
  box-shadow: var(--shadow-sm);
  transition: all 0.2s ease;
}
.category-card:hover { border-color: var(--color-primary); box-shadow: var(--shadow-md); transform: translateY(-2px); text-decoration: none; }
.category-card h3 { font-size: 1.1rem; font-weight: 700; margin-bottom: 6px; letter-spacing: -0.3px; color: var(--color-text); }
.category-card p { font-size: 0.9rem; color: var(--color-text-muted); }

/* ── Article Grid ── */
.article-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(320px, 1fr)); gap: 24px; }
.article-card {
  display: flex; flex-direction: column; padding: 32px;
  background: var(--color-bg-alt); border: 1px solid var(--color-border);
  border-radius: var(--radius); color: var(--color-text);
  transition: all 0.2s ease;
}
.article-card:hover { background: var(--color-bg); border-color: var(--color-primary); box-shadow: var(--shadow-md); transform: translateY(-2px); text-decoration: none; }
.article-card h3 { font-size: 1.2rem; font-weight: 700; margin-bottom: 12px; line-height: 1.35; letter-spacing: -0.4px; color: var(--color-text); }
.article-card p { font-size: 0.925rem; color: var(--color-text-muted); margin-bottom: 24px; flex-grow: 1; }
.read-more { font-size: 0.9rem; font-weight: 600; color: var(--color-accent); display: inline-flex; align-items: center; gap: 6px; }

/* ── Footer ── */
.site-footer { background: var(--color-bg); border-top: 1px solid var(--color-border); padding: 48px 0; margin-top: 80px; }
.site-footer .container { display: flex; flex-direction: column; align-items: center; gap: 16px; }
.footer-links { display: flex; gap: 32px; }
.footer-links a { font-size: 0.875rem; color: var(--color-text-muted); font-weight: 500; }
.footer-links a:hover { color: var(--color-primary); text-decoration: none; }
.footer-copy { font-size: 0.85rem; color: var(--color-text-muted); }

/* ── Article Header ── */
.article-header { background: var(--color-bg-alt); border-bottom: 1px solid var(--color-border); padding: 64px 0; }
.article-header .container { max-width: var(--max-width-article); }
.article-header h1 { font-size: 2.5rem; font-weight: 900; letter-spacing: -1px; line-height: 1.2; margin-bottom: 20px; }
.article-meta { font-size: 0.9rem; color: var(--color-text-muted); display: flex; gap: 16px; align-items: center; }

/* ── Article Content ── */
.article-content { padding: 56px 0; }
.article-content .container { max-width: var(--max-width-article); }

/* ── Prose ── */
.prose h2 { font-size: 1.75rem; font-weight: 800; margin: 48px 0 16px; letter-spacing: -0.5px; color: var(--color-primary); }
.prose h3 { font-size: 1.35rem; font-weight: 700; margin: 32px 0 12px; letter-spacing: -0.3px; color: var(--color-primary); }
.prose p { margin-bottom: 24px; font-size: 1.05rem; line-height: 1.8; color: #27272a; }
.prose ul, .prose ol { margin: 0 0 24px 24px; }
.prose li { margin-bottom: 10px; font-size: 1.05rem; line-height: 1.8; color: #27272a; }
.prose strong { font-weight: 700; }
.prose em { font-style: italic; }
.prose hr { border: none; border-top: 1px solid var(--color-border); margin: 40px 0; }
.prose blockquote {
  border-left: 3px solid var(--color-primary);
  padding: 8px 0 8px 24px;
  margin: 32px 0; font-style: italic;
  font-size: 1.1rem; color: var(--color-text-muted);
}

/* ── Tables ── */
.table-wrapper { width: 100%; overflow-x: auto; margin: 32px 0; border: 1px solid var(--color-border); border-radius: var(--radius); }
.prose table { width: 100%; border-collapse: collapse; font-size: 0.95rem; margin: 0; display: table; }
.prose th { background: var(--color-bg-alt); font-weight: 600; text-align: left; padding: 14px 18px; border-bottom: 1px solid var(--color-border); }
.prose td { padding: 14px 18px; border-bottom: 1px solid var(--color-border); vertical-align: middle; }
.prose tr:last-child td { border-bottom: none; }
/* Fallback per tabelle senza table-wrapper */
.prose table:not(.table-wrapper table) { display: block; overflow-x: auto; margin: 32px 0; border: 1px solid var(--color-border); border-radius: var(--radius); }

/* ── Disclosure Box ── */
.disclosure-box {
  border-top: 1px solid var(--color-border);
  padding: 10px 0 16px;
  margin-bottom: 32px;
  font-size: 0.78rem;
  color: var(--color-text-muted);
  line-height: 1.5;
}
.disclosure-box a {
  color: var(--color-text-muted);
  text-decoration: underline;
  text-underline-offset: 2px;
}

/* ── Affiliate CTA ── */
.affiliate-cta {
  background: var(--color-bg-alt); border: 1px solid var(--color-border);
  border-radius: var(--radius); padding: 24px 28px;
  margin: 48px 0; font-size: 1rem; box-shadow: var(--shadow-sm);
  display: flex; align-items: center; justify-content: space-between;
  gap: 16px; flex-wrap: wrap;
}
.affiliate-cta p { margin-bottom: 0; color: var(--color-text); }
.affiliate-cta a {
  display: inline-flex; align-items: center; gap: 8px;
  background: var(--color-accent); color: #fff;
  font-weight: 600; font-size: 0.9rem;
  padding: 12px 24px; border-radius: 8px;
  white-space: nowrap; transition: all 0.2s ease;
}
.affiliate-cta a:hover { background: var(--color-accent-hover); color: #fff; text-decoration: none; transform: translateY(-1px); }

/* ── Responsive ── */
@media (max-width: 768px) {
  html { font-size: 15px; }
  .site-header { padding: 12px 0; }
  .site-header .container { flex-direction: column; gap: 12px; text-align: center; }
  .main-nav { flex-wrap: wrap; justify-content: center; gap: 16px; }
  .hero { padding: 80px 0; }
  .hero-title { font-size: 2.25rem; letter-spacing: -0.8px; }
  .hero-subtitle { font-size: 1.1rem; padding: 0 10px; }
  .categories, .featured { padding: 48px 0; }
  .category-grid, .article-grid { grid-template-columns: 1fr; gap: 16px; }
  .article-header h1 { font-size: 1.85rem; }
  .prose h2 { font-size: 1.5rem; }
  .affiliate-cta { flex-direction: column; align-items: flex-start; }
}