:root {
  --tdg-primary: #0066cc;
  --tdg-primary-dark: #004ea1;
  --tdg-bg-soft: #f8fbff;
  --tdg-ink: #1a1a2e;
  --tdg-line: #dbe7f7;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
.skip-link {
  position: absolute;
  left: -9999px;
  top: auto;
  width: 1px;
  height: 1px;
  overflow: hidden;
  z-index: 10000;
}
.skip-link:focus {
  left: 12px;
  top: 12px;
  width: auto;
  height: auto;
  padding: 10px 14px;
  background: #111827;
  color: #fff;
  border-radius: 8px;
  text-decoration: none;
}
a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible,
select:focus-visible {
  outline: 3px solid rgba(0, 102, 204, 0.35);
  outline-offset: 2px;
}
img {
  max-width: 100%;
  height: auto;
}
main[tabindex="-1"]:focus {
  outline: none;
}
#back-to-top {
  position: fixed;
  right: 16px;
  bottom: 16px;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  border: 0;
  background: #0f172a;
  color: #fff;
  cursor: pointer;
  font-size: 18px;
  display: none;
  z-index: 9999;
}
.enhanced-placeholder {
  max-width: 900px;
  margin: 0 auto;
  padding: 22px;
  line-height: 1.7;
}
.enhanced-placeholder h1,
.enhanced-placeholder h2 {
  color: var(--tdg-ink);
}
.enhanced-placeholder .card {
  border: 1px solid var(--tdg-line);
  border-radius: 12px;
  background: var(--tdg-bg-soft);
  padding: 18px;
  margin: 14px 0;
}
@media (max-width: 768px) {
  .enhanced-placeholder {
    padding: 16px;
  }
}