*, *::before, *::after { box-sizing: border-box; }
html { min-height: 100%; scroll-behavior: smooth; }
body { min-height: 100%; margin: 0; font-family: var(--font); background: var(--ink); color: var(--text-strong); line-height: 1.55; }
body, button, input, select, textarea { font: inherit; }
img, svg { display: block; max-width: 100%; }
a { color: var(--terra-lo); text-underline-offset: 0.18em; }
button, a, input, select, textarea { -webkit-tap-highlight-color: transparent; }
:focus-visible { outline: 3px solid var(--focus); outline-offset: 3px; }
[hidden] { display: none !important; }
.skip-link { position: fixed; z-index: 1000; top: var(--space-3); left: var(--space-3); transform: translateY(-160%); padding: var(--space-3) var(--space-4); border-radius: var(--radius-md); background: var(--text-strong); color: var(--ink); }
.skip-link:focus { transform: translateY(0); }
.site-main { min-height: calc(100vh - var(--header-height)); padding-top: var(--header-height); }
.page-container { width: min(100% - 2rem, var(--content-lg)); margin-inline: auto; padding-block: var(--space-7); }
@media (max-width: 720px) {
  .student-page { padding-bottom: calc(var(--mobile-nav-height) + env(safe-area-inset-bottom)); }
  .page-container { padding-block: var(--space-6); }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; transition-duration: 0.01ms !important; }
}