/* Quizitron — site chrome: sticky header, nav, footer. */

/* ---------- Header ---------- */

#site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(15, 15, 26, 0.82);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--hairline);
}

.qz-header {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 12px 24px;
  display: flex;
  align-items: center;
  gap: 20px;
}

.qz-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--text);
}

.qz-brand:hover { color: var(--gold); }

.qz-brand-logo { height: 40px; width: auto; }

.qz-brand-word {
  font-size: 1.15rem;
  font-weight: 700;
  letter-spacing: 0.18em;
}

.qz-menu {
  display: flex;
  align-items: center;
  gap: 20px;
  flex: 1;
}

.qz-nav { display: flex; gap: 4px; }

.qz-nav a {
  padding: 8px 14px;
  border-radius: 999px;
  color: var(--text);
  font-weight: 600;
  font-size: 0.95rem;
  transition: background 0.2s ease, color 0.2s ease;
}

.qz-nav a:hover { color: var(--gold); background: rgba(255, 209, 77, 0.08); }

.qz-nav a.active {
  color: var(--gold);
  background: rgba(255, 209, 77, 0.12);
}

.qz-header-spacer { flex: 1; }

.qz-nav-toggle {
  display: none;
  margin-left: auto;
  background: none;
  border: 1px solid var(--hairline);
  border-radius: var(--radius-sm);
  color: var(--text);
  font-size: 1.3rem;
  padding: 4px 12px;
  cursor: pointer;
}

@media (max-width: 760px) {
  .qz-header { flex-wrap: wrap; gap: 10px; }

  .qz-nav-toggle { display: block; }

  .qz-menu {
    display: none;
    flex-basis: 100%;
    flex-direction: column;
    align-items: stretch;
    gap: 8px;
    padding: 10px 0 14px;
  }

  .qz-menu.open { display: flex; }

  .qz-nav { flex-direction: column; }

  .qz-nav a { padding: 12px 14px; }

  .qz-header-spacer { display: none; }
}

/* ---------- Footer ---------- */

#site-footer {
  margin-top: 80px;
  border-top: 1px solid var(--hairline);
  background: linear-gradient(180deg, rgba(20, 10, 20, 0.4), rgba(15, 15, 26, 0.9));
}

.qz-footer {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 48px 24px 32px;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 32px;
}

.qz-footer-brand {
  display: flex;
  align-items: center;
  gap: 14px;
}

.qz-footer-logo { height: 52px; width: auto; }

.qz-footer-word {
  font-weight: 700;
  letter-spacing: 0.18em;
  font-size: 1.05rem;
}

.qz-footer-tag { color: var(--dim); font-size: 0.9rem; }

.qz-footer-cols { display: flex; gap: 56px; }

.qz-footer-col {
  display: flex;
  flex-direction: column;
  gap: 8px;
  font-size: 0.95rem;
}

.qz-footer-col a { color: var(--text); }
.qz-footer-col a:hover { color: var(--gold); }
.qz-footer-col span { color: var(--dim); }

.qz-footer-head {
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 4px;
}

.qz-footer-fine {
  grid-column: 1 / -1;
  border-top: 1px solid var(--hairline);
  padding-top: 20px;
  color: var(--dim);
  font-size: 0.85rem;
}

@media (max-width: 760px) {
  .qz-footer { grid-template-columns: 1fr; }
  .qz-footer-cols { flex-wrap: wrap; gap: 32px; }
}