/* Primary navigation CTA for benchmark rankings and raw evidence. */
.site-header nav {
  align-items: center;
  gap: 0.65rem;
}

.site-header nav > a {
  text-decoration: none;
}

.site-header nav > a:not([href*="benchmarks"]):hover {
  text-decoration: underline;
  text-underline-offset: 0.18em;
}

.site-header nav a[href*="benchmarks"] {
  position: relative;
  display: grid;
  align-content: center;
  min-width: 10.8rem;
  padding: 0.58rem 0.95rem 0.5rem;
  border: 1px solid rgba(255, 255, 255, 0.5);
  border-radius: 14px;
  background:
    radial-gradient(circle at 88% 10%, rgba(255, 255, 255, 0.18), transparent 36%),
    linear-gradient(135deg, var(--accent), var(--accent-strong));
  box-shadow:
    0 8px 22px rgba(10, 80, 80, 0.22),
    inset 0 1px 0 rgba(255, 255, 255, 0.16);
  color: #fff;
  font-weight: 700;
  line-height: 1.05;
  letter-spacing: 0.01em;
  overflow: hidden;
  transform: translateY(0);
  transition:
    transform 150ms ease,
    box-shadow 150ms ease,
    background 150ms ease;
}

.site-header nav a[href*="benchmarks"]::after {
  content: "RANKINGS · RAW DATA";
  display: block;
  margin-top: 0.28rem;
  color: rgba(255, 255, 255, 0.78);
  font-size: 0.61rem;
  font-weight: 600;
  letter-spacing: 0.13em;
  line-height: 1;
  white-space: nowrap;
}

.site-header nav a[href*="benchmarks"]:hover {
  background:
    radial-gradient(circle at 88% 10%, rgba(255, 255, 255, 0.22), transparent 38%),
    linear-gradient(135deg, #128080, var(--accent-strong));
  box-shadow:
    0 11px 28px rgba(10, 80, 80, 0.28),
    inset 0 1px 0 rgba(255, 255, 255, 0.2);
  color: #fff;
  text-decoration: none;
  transform: translateY(-1px);
}

.site-header nav a[href*="benchmarks"]:focus-visible {
  outline-color: rgba(10, 80, 80, 0.72);
  outline-offset: 3px;
}

.site-header nav a[href*="benchmarks"][aria-current="page"] {
  box-shadow:
    0 0 0 3px rgba(15, 107, 107, 0.2),
    0 9px 24px rgba(10, 80, 80, 0.25),
    inset 0 1px 0 rgba(255, 255, 255, 0.18);
}

@media (max-width: 640px) {
  .site-header nav {
    width: 100%;
    gap: 0.45rem 0.75rem;
  }

  .site-header nav a[href*="benchmarks"] {
    order: -1;
    width: 100%;
    min-width: 0;
    grid-template-columns: auto 1fr;
    align-items: baseline;
    column-gap: 0.8rem;
    padding: 0.68rem 0.85rem;
  }

  .site-header nav a[href*="benchmarks"]::after {
    justify-self: end;
    margin-top: 0;
  }
}