/* NUOVO CODICE: STILE CONDIVISO PER TUTTO IL SITO */
* { box-sizing: border-box; }
.site-header {
  background: #101827;
  color: #fff;
  border-bottom: 3px solid #1976d2;
  padding: 14px 22px;
  margin: -20px -20px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  flex-wrap: wrap;
}
.site-logo {
  color: #64b5f6;
  text-decoration: none;
  font-size: 1.35rem;
  font-weight: 800;
  letter-spacing: 1px;
}
.main-menu { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.main-menu a, .dropdown-toggle {
  display: inline-block;
  color: #fff;
  text-decoration: none;
  padding: 10px 12px;
  border-radius: 6px;
  font: inherit;
  border: 0;
  background: transparent;
  cursor: pointer;
}
.main-menu a:hover, .dropdown-toggle:hover, .main-menu a:focus-visible {
  background: #1976d2;
  color: #fff;
}
.dropdown { position: relative; }
.dropdown-menu {
  display: none;
  position: absolute;
  z-index: 1000;
  top: 100%;
  left: 0;
  min-width: 190px;
  padding: 6px;
  background: #101827;
  border: 1px solid #1976d2;
  border-radius: 8px;
  box-shadow: 0 8px 20px #0005;
}
.dropdown-menu a { display: block; white-space: nowrap; }
.dropdown:hover .dropdown-menu,
.dropdown:focus-within .dropdown-menu { display: block; }
.site-footer {
  margin: 28px auto 0;
  padding: 16px;
  max-width: 980px;
  text-align: center;
  color: #8b98a9;
  font-size: .9rem;
  border-top: 1px solid #334155;
}
.home-wrap {
  max-width: 1100px;
  margin: 0 auto;
}
.hero {
  padding: 32px;
  border-radius: 14px;
  background: linear-gradient(135deg, #101827, #123b69);
  color: white;
  border: 1px solid #2465a8;
}
.hero h1 { margin-top: 0; }
.hero p { line-height: 1.6; }
.page-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 18px;
  margin-top: 24px;
}
.page-card {
  background: #172033;
  border: 1px solid #2b4c75;
  border-radius: 12px;
  padding: 20px;
  color: #f8fafc;
}
.page-card h2 { margin-top: 0; font-size: 1.2rem; }
.page-card p { color: #cbd5e1; line-height: 1.5; }
.page-card a {
  display: inline-block;
  background: #1976d2;
  color: white;
  text-decoration: none;
  padding: 10px 14px;
  border-radius: 6px;
  font-weight: bold;
}
.page-card a:hover { background: #0d47a1; }
@media (max-width: 650px) {
  .site-header { margin: -20px -20px 20px; align-items: flex-start; }
  .main-menu { width: 100%; }
  .main-menu a, .dropdown-toggle { padding: 9px; }
  .dropdown-menu { min-width: 170px; }
  #quizBox { width: 100% !important; max-width: 100%; }
  body { padding: 12px !important; }
}