*, *::before, *::after { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; scroll-padding-top: calc(var(--header-h) + 16px); }

body {
  margin: 0;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  font-family: var(--font);
  font-size: 1rem;
  line-height: 1.55;
  color: var(--text);
  background: var(--bg);
}

h1, h2, h3 { line-height: 1.2; margin: 0 0 .5em; letter-spacing: -0.01em; }
h1 { font-size: clamp(1.75rem, 4vw + .5rem, 2.75rem); font-weight: 800; }
h2 { font-size: clamp(1.25rem, 1.5vw + .75rem, 1.6rem); font-weight: 700; }
h3 { font-size: 1.1rem; font-weight: 700; }
p { margin: 0 0 1em; }
a { color: var(--primary); }
img, svg { max-width: 100%; }
button, input, select, textarea { font: inherit; color: inherit; }

:focus-visible { outline: 3px solid var(--focus); outline-offset: 2px; border-radius: 6px; }
main:focus { outline: none; }

.container { width: 100%; max-width: 1120px; margin-inline: auto; padding-inline: 16px; }
@media (min-width: 768px) { .container { padding-inline: 24px; } }

#app { flex: 1; padding-block: 24px 64px; }

.visually-hidden {
  position: absolute !important; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}

.skip-link {
  position: absolute; left: 16px; top: -100px; z-index: 100;
  padding: 10px 16px; border-radius: var(--radius-sm);
  background: var(--primary); color: var(--on-primary); font-weight: 700;
}
.skip-link:focus { top: 12px; }

.muted { color: var(--muted); }
.stack > * + * { margin-top: var(--stack, 16px); }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .01ms !important; transition-duration: .01ms !important; }
}