header.nav {
  height: auto;
  padding: 0;
  display: block;
  position: sticky;
  top: 0;
  z-index: 50;
  background: #fff;
  border-bottom: 1px solid var(--border);
}
.nav .nav-inner {
  width: 100%;
  max-width: 1280px;
  height: 64px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.nav .nav-logo { display: flex; align-items: center; text-decoration: none; }
.nav .nav-logo img { height: 36px; width: auto; display: block; }
.nav .nav-links { display: none; gap: 32px; align-items: center; }
.nav .nav-links > a { font-size: 14px; color: var(--text-muted); text-decoration: none; }
.nav .nav-links > a:hover { color: var(--text); }
.nav .nav-cta {
  display: none;
  padding: 8px 16px;
  border-radius: 6px;
  background: var(--text);
  color: #fff;
  font-size: 14px;
  text-decoration: none;
}
.nav .nav-hamburger {
  display: inline-flex;
  padding: 4px;
  background: none;
  border: 0;
  color: var(--text);
  cursor: pointer;
}
.nav .services-menu { position: relative; }
.nav .services-menu summary {
  list-style: none;
  cursor: pointer;
  font-size: 14px;
  color: var(--text-muted);
}
.nav .services-menu summary::-webkit-details-marker { display: none; }
.nav .services-menu summary::after { content: " ▾"; font-size: 0.75em; }
.nav .services-menu[open] summary::after { content: " ▴"; }
.nav .services-menu summary:hover { color: var(--text); }
.nav .services-menu .services-list a,
.nav .nav-mobile a {
  display: block;
  font-size: 14px;
  color: var(--text);
  text-decoration: none;
}
.nav .services-menu .services-list a:hover,
.nav .nav-mobile a:hover { background: #f4f6f9; }
.nav .services-menu .services-list a:focus-visible,
.nav .nav-mobile a:focus-visible,
.nav .services-menu summary:focus-visible,
.nav .nav-hamburger:focus-visible { outline: 2px solid #1a56db; outline-offset: 2px; }
.nav .nav-mobile { display: none; }
@media (min-width: 768px) {
  .nav .nav-logo img { height: 40px; }
  .nav .nav-links { display: flex; }
  .nav .nav-cta { display: inline-flex; }
  .nav .nav-hamburger { display: none; }
  .nav .services-menu .services-list {
    position: absolute;
    top: 100%;
    left: 0;
    width: 208px;
    padding: 8px 0;
    border: 1px solid var(--border);
    border-radius: 8px;
    background: #fff;
    box-shadow: 0 10px 25px rgba(12, 25, 47, 0.12);
  }
  .nav .services-menu .services-list a { padding: 10px 16px; white-space: nowrap; }
}
@media (max-width: 767px) {
  .nav.is-open .nav-mobile {
    display: flex;
    flex-direction: column;
    gap: 4px;
    padding: 16px 24px;
    border-top: 1px solid var(--border);
    background: #fff;
  }
  .nav .nav-mobile > a,
  .nav .nav-mobile summary,
  .nav .nav-mobile .services-list a { padding: 8px 0; }
  .nav .nav-mobile .services-list { padding-left: 16px; }
  .nav .nav-mobile .nav-mobile-cta {
    margin-top: 8px;
    padding: 10px 16px;
    border-radius: 6px;
    background: var(--text);
    color: #fff;
    text-align: center;
  }
  .nav .nav-mobile .nav-mobile-cta:hover { background: var(--text); opacity: 0.9; }
}