.skip-link {
  position: absolute;
  top: -3rem;
  left: 1rem;
  z-index: 80;
  padding: 0.75rem 1rem;
  border: 1px solid hsl(var(--border));
  background: hsl(var(--background));
  color: hsl(var(--foreground));
  text-decoration: none;
  transition: top 0.2s ease;
}

.skip-link:focus {
  top: 1rem;
}

html {
  scroll-padding-top: 6rem;
}

[data-site-header] {
  transition:
    background-color 0.5s ease,
    box-shadow 0.5s ease,
    backdrop-filter 0.5s ease,
    padding 0.5s ease;
}

body:not(.page-has-hero) [data-site-header],
body.page-has-hero [data-site-header].is-scrolled {
  background: hsl(var(--navy) / 0.95);
  backdrop-filter: blur(12px);
  box-shadow: 0 20px 50px rgb(25 50 71 / 0.18);
  padding-top: 0.75rem;
  padding-bottom: 0.75rem;
}

[data-mobile-panel] {
  display: none;
}

[data-mobile-panel].is-open {
  display: block;
}

[data-menu-toggle] .icon-close {
  display: none;
}

[data-menu-toggle][aria-expanded="true"] .icon-menu {
  display: none;
}

[data-menu-toggle][aria-expanded="true"] .icon-close {
  display: inline-flex;
}

.site-toast {
  position: fixed;
  right: 1.5rem;
  bottom: 1.5rem;
  z-index: 60;
  width: min(24rem, calc(100vw - 2rem));
  padding: 1rem 1.25rem;
  border: 1px solid hsl(var(--border));
  background: hsl(var(--background));
  color: hsl(var(--foreground));
  box-shadow: 0 25px 60px rgb(25 50 71 / 0.18);
  opacity: 0;
  transform: translateY(12px);
  visibility: hidden;
  pointer-events: none;
  transition:
    opacity 0.25s ease,
    transform 0.25s ease,
    visibility 0.25s ease;
}

.site-toast.is-visible {
  opacity: 1;
  transform: translateY(0);
  visibility: visible;
}

.site-toast strong {
  display: block;
  margin-bottom: 0.3rem;
  color: hsl(var(--primary));
  font-family: var(--font-display);
  font-size: 1.45rem;
  font-weight: 500;
  line-height: 1.05;
}

.site-toast span {
  display: block;
  color: hsl(var(--muted-foreground));
  font-size: 0.95rem;
  line-height: 1.5;
}

@media (min-width: 1024px) {
  [data-mobile-panel] {
    display: none !important;
  }
}

@media (max-width: 1023px) {
  .site-toast {
    right: 1rem;
    bottom: 1rem;
    width: calc(100vw - 2rem);
  }
}

@media (prefers-reduced-motion: reduce) {
  [data-site-header],
  .skip-link,
  .site-toast {
    transition: none;
  }
}