*, *::before, *::after { box-sizing: border-box; }
html, body, h1, h2, h3, h4, p, figure, blockquote, dl, dd, ol, ul {
  margin: 0;
}
ul[class], ol[class] { list-style: none; padding: 0; }
html { scroll-behavior: auto; }
body { min-height: 100vh; text-rendering: optimizeSpeed; }
img, picture, canvas, svg { display: block; max-width: 100%; }
input, button, textarea, select { font: inherit; color: inherit; }
button { cursor: pointer; background: none; border: none; }
a { text-decoration: none; color: inherit; }

.sr-only {
  position: absolute;
  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: 1rem; top: -3rem;
  background: var(--color-surface);
  color: var(--color-text);
  padding: 0.75rem 1rem;
  border-radius: var(--radius-sm);
  z-index: 1000;
  transition: top 0.15s ease;
}
.skip-link:focus { top: 1rem; }

:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}