titan-site-navigation {
  position: sticky;
  top: 0;
  z-index: 80;
  display: block;
  min-height: var(--titan-header-height);
  color: var(--titan-ink);
  font-family: Aptos, "Segoe UI Variable Text", "Segoe UI", ui-sans-serif, system-ui, sans-serif;
}

.titan-site-header {
  min-height: var(--titan-header-height);
  border: 1px solid var(--titan-border-header);
  border-top: 0;
  background: var(--titan-white-header);
  box-shadow: var(--titan-shadow-nav);
  transition: box-shadow .2s ease, background-color .2s ease;
}

.titan-site-header.is-scrolled {
  background: var(--titan-white);
  box-shadow: var(--titan-shadow-nav-strong);
}

.titan-nav-shell {
  width: min(100%, var(--titan-max-width));
  min-height: var(--titan-header-height);
  margin: 0 auto;
  padding: .5rem 1rem;
}

.titan-site-nav {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: .75rem;
}

.titan-nav-identity {
  display: flex;
  min-width: 0;
  align-items: center;
  gap: .65rem;
}

.titan-nav-brand {
  display: inline-flex;
  min-width: 0;
  min-height: 2.75rem;
  align-items: center;
  gap: .55rem;
  color: inherit;
  text-decoration: none;
}

.titan-nav-brand img {
  width: 2.25rem;
  height: 2.25rem;
  flex: 0 0 auto;
}

.titan-nav-brand strong {
  display: grid;
  font-family: Georgia, "Times New Roman", serif;
  font-size: 1.35rem;
  line-height: 1;
}

.titan-nav-brand small {
  display: none;
  margin-top: .22rem;
  overflow: hidden;
  color: var(--titan-muted);
  font-family: Aptos, "Segoe UI", sans-serif;
  font-size: .67rem;
  font-weight: 650;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.titan-nav-icon {
  width: 1rem;
  height: 1rem;
  flex: 0 0 auto;
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 2;
}

.titan-nav-menu { position: relative; }

.titan-nav-menu summary {
  display: inline-flex;
  min-width: 2.75rem;
  min-height: 2.75rem;
  align-items: center;
  justify-content: center;
  gap: .4rem;
  border: 1px solid var(--titan-border-strong);
  border-radius: .55rem;
  background: var(--titan-white);
  padding: .5rem .7rem;
  cursor: pointer;
  font-weight: 800;
  list-style: none;
}

.titan-nav-menu summary::-webkit-details-marker { display: none; }

.titan-nav-links {
  position: absolute;
  top: calc(100% + .45rem);
  right: 0;
  display: grid;
  width: min(21rem, calc(100vw - 2rem));
  gap: .4rem;
  border: 1px solid var(--titan-border);
  border-radius: .75rem;
  background: var(--titan-white);
  padding: .5rem;
  box-shadow: var(--titan-shadow-menu);
}

.titan-nav-route-list { display: grid; gap: .2rem; }

.titan-nav-link,
.titan-nav-cta {
  display: flex;
  min-height: 2.75rem;
  align-items: center;
  justify-content: space-between;
  gap: .65rem;
  border: 1px solid transparent;
  border-radius: .48rem;
  padding: .55rem .7rem;
  color: var(--titan-ink);
  font-size: .88rem;
  font-weight: 750;
  text-decoration: none;
}

.titan-nav-link { min-height: 2.75rem; }

.titan-nav-link:hover,
.titan-nav-link:focus-visible {
  border-color: var(--titan-border-strong);
  outline: none;
}

.titan-nav-link.is-active {
  border-color: var(--titan-green-600);
  background: var(--titan-green-100);
  color: var(--titan-green-900);
}

.titan-nav-current {
  color: var(--titan-success);
  font-size: .65rem;
  font-weight: 850;
  letter-spacing: .03em;
  text-transform: uppercase;
}

.titan-nav-cta {
  justify-content: center;
  border-color: var(--titan-green-900);
  background: var(--titan-green-900);
  color: var(--titan-white);
}

.titan-nav-cta:hover,
.titan-nav-cta:focus-visible {
  border-color: var(--titan-green-600);
  background: var(--titan-green-800);
  outline: none;
}

.titan-nav-link:focus-visible,
.titan-nav-cta:focus-visible,
.titan-nav-menu summary:focus-visible,
.titan-nav-brand:focus-visible {
  outline: 3px solid var(--titan-focus-ring);
  outline-offset: 3px;
}

@media (min-width: 48rem) {
  .titan-nav-shell { padding-inline: 1.25rem; }
  .titan-site-nav { grid-template-columns: auto minmax(0, 1fr); }
  .titan-nav-menu { min-width: 0; }
  .titan-nav-menu summary { display: none; }
  .titan-nav-menu .titan-nav-links {
    position: static;
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    width: auto;
    min-width: 0;
    align-items: center;
    gap: .55rem;
    border: 0;
    background: transparent;
    padding: 0;
    box-shadow: none;
  }
  .titan-nav-route-list {
    display: flex;
    min-width: 0;
    justify-content: center;
    overflow-x: auto;
    scrollbar-width: none;
  }
  .titan-nav-route-list::-webkit-scrollbar { display: none; }
  .titan-nav-link { position: relative; flex: 0 0 auto; padding-inline: .5rem; font-size: .76rem; }
  .titan-nav-link.is-active { border-color: transparent; background: transparent; }
  .titan-nav-link.is-active::after {
    position: absolute;
    right: .5rem;
    bottom: .15rem;
    left: .5rem;
    height: 2px;
    background: var(--titan-green-600);
    content: "";
  }
  .titan-nav-current { position: absolute; width: 1px; height: 1px; overflow: hidden; clip-path: inset(50%); white-space: nowrap; }
  .titan-nav-cta { min-width: 7.8rem; padding-inline: .75rem; font-size: .75rem; }
}

@media (min-width: 64rem) {
  .titan-nav-shell { padding-inline: 1.5rem; }
  .titan-nav-brand strong { font-size: 1.55rem; }
  .titan-nav-link { padding-inline: .72rem; font-size: .84rem; }
  .titan-nav-cta { min-width: 9.1rem; padding-inline: 1rem; font-size: .82rem; }
}

@media (prefers-reduced-motion: reduce) {
  .titan-site-header { transition: none; }
}