/* ==========================================================================
   BASE / RESET
   ========================================================================== */

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

html {
  scroll-behavior: smooth;
  width: 100%;
  max-width: 100%;
  overflow-x: clip;
}

body {
  overflow-x: clip;
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}

body {
  margin: 0;
  font-family: var(--font-body);
  font-size: var(--fs-body);
  line-height: var(--lh-body);
  color: var(--color-text-body);
  background-color: var(--color-background);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

a {
  color: inherit;
  text-decoration: none;
}

button {
  font-family: inherit;
  cursor: pointer;
}

ul, ol {
  margin: 0;
  padding: 0;
  list-style: none;
}

/* Visible keyboard focus everywhere. Never remove an outline without
   replacing it with something equally visible (accessibility, section 15). */
:focus-visible {
  outline: 3px solid var(--color-accent-orange);
  outline-offset: 2px;
  border-radius: var(--radius-sm);
}

/* ---- Layout primitives ---- */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--container-padding);
}

.section {
  padding-block: var(--space-9);
  position: relative;
}
@media (max-width: 640px) {
  .section { padding-block: var(--space-7); }
}

.section--tinted {
  background-color: var(--color-blue-pale);
}
.section--dark {
  background-color: var(--color-primary-dark);
  color: var(--color-text-on-dark);
}
.section--dark h1, .section--dark h2, .section--dark h3 {
  color: var(--color-white);
}

/* Screen-reader-only utility (for skip links, form hints, etc.) */
.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-to-content link — appears on keyboard focus */
.skip-link {
  position: absolute;
  top: -100px;
  left: var(--space-4);
  background: var(--color-primary-dark);
  color: var(--color-white);
  padding: var(--space-3) var(--space-5);
  border-radius: var(--radius-md);
  z-index: 100;
  transition: top var(--duration-fast) var(--ease-standard);
}
.skip-link:focus {
  top: var(--space-4);
}