/* Base element styles: typography, resets, focus visibility.
   Accessibility note: focus-visible outlines are never removed; a
   custom high-contrast focus ring is used instead of the default so it
   stays visible against both light and royal-blue backgrounds. */

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

html {
  font-size: 100%;
}

body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: var(--font-size-base);
  line-height: var(--line-height-base);
  color: var(--color-text);
  background: var(--color-bg);
}

h1, h2, h3, h4 {
  color: var(--color-ink-900);
  line-height: 1.2;
  margin-top: 0;
}

h1 { font-size: clamp(2rem, 4vw, 2.75rem); }
h2 { font-size: clamp(1.5rem, 2.5vw, 1.875rem); margin-bottom: var(--space-3); }

p { margin-top: 0; margin-bottom: var(--space-3); }

a {
  color: var(--color-accent-strong);
}

a:hover {
  color: var(--color-accent);
}

:focus-visible {
  outline: 3px solid var(--color-focus-ring);
  outline-offset: 2px;
}

img {
  max-width: 100%;
  display: block;
}

.visually-hidden {
  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: -9999px;
  top: 0;
  background: var(--color-accent-strong);
  color: var(--color-white);
  padding: var(--space-2) var(--space-3);
  z-index: 100;
  border-radius: 0 0 var(--radius-sm) 0;
}

.skip-link:focus {
  left: 0;
}

@media (prefers-reduced-motion: reduce) {
  * {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }
}