.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--color-blue-400);
}
.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-block: var(--space-1);
}
.site-header__logo img { height: 40px; width: auto; aspect-ratio: 217 / 81; }
.site-nav__list { display: flex; gap: var(--space-4); }
.site-nav__link {
  color: var(--color-text-light);
  font-weight: 500;
  padding-block: 0.25rem;
  border-bottom: 2px solid transparent;
  transition: border-color 0.2s ease;
}
.site-nav__link:hover,
.site-nav__link.is-active { border-color: var(--color-text-light); }

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  padding: 0.5rem;
}
.nav-toggle__bar { width: 24px; height: 2px; background: var(--color-text-light); }

@media (max-width: 1023.98px) {
  .nav-toggle {
    display: flex;
    position: relative;
    z-index: 1;
  }
  .site-nav {
    position: fixed;
    top: 0;
    right: 0;
    bottom: 0;
    width: min(70vw, 320px);
    background: var(--color-navy-900);
    transform: translateX(100%);
    visibility: hidden;
    transition: transform 0.3s ease, visibility 0s linear 0.3s;
    padding: var(--space-8) var(--space-4);
  }
  .site-nav.is-open {
    transform: translateX(0);
    visibility: visible;
    transition: transform 0.3s ease, visibility 0s linear 0s;
  }
  .site-nav__list { flex-direction: column; gap: var(--space-3); }
}