/* ==========================================================================
   Base reset + global element styling
   ========================================================================== */

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

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

@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;
    scroll-behavior: auto !important;
  }
}

body, h1, h2, h3, h4, p, figure, blockquote, dl, dd {
  margin: 0;
}

body {
  font-family: var(--font-body);
  font-size: var(--fs-body);
  line-height: var(--lh-normal);
  color: var(--color-text);
  background: var(--color-bg);
  overflow-x: hidden;
}

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

h1, h2, h3, h4 {
  font-family: var(--font-display);
  line-height: var(--lh-tight);
  color: var(--pcs-black);
  text-wrap: balance;
}

h1 { font-size: var(--fs-h1); font-weight: 600; }
h2 { font-size: var(--fs-h2); font-weight: 600; }
h3 { font-size: var(--fs-h3); font-weight: 500; }

p {
  max-width: 62ch;
}

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

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

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

input, textarea, select, button {
  font: inherit;
  color: inherit;
}

/* Visible keyboard focus everywhere */
:focus-visible {
  outline: 3px solid var(--color-accent);
  outline-offset: 2px;
}

.container {
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--container-pad);
}

.section {
  padding-block: var(--space-6);
}

@media (max-width: 640px) {
  .section {
    padding-block: var(--space-5);
  }
}

.section--dark {
  background: var(--color-bg-dark);
  color: var(--color-text-on-dark);
}

.section--dark h1,
.section--dark h2,
.section--dark h3 {
  color: var(--color-text-on-dark);
}

.section--alt {
  background: var(--color-bg-alt);
}

.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: 0;
  top: -100px;
  background: var(--color-primary);
  color: var(--color-text-on-dark);
  padding: var(--space-1) var(--space-2);
  z-index: 200;
  transition: top var(--duration-fast) var(--ease-standard);
}

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