/* ==========================================================================
   CPG BASE — reset, document defaults, layout primitives, accessibility
   Depends on: tokens.css (must be loaded first)
   ========================================================================== */

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

html {
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--cpg-header-height) + var(--cpg-space-md));
}

body {
  margin: 0;
  background: var(--cpg-surface);
  color: var(--cpg-text);
  font-family: var(--cpg-font-body);
  font-size: var(--cpg-text-md);
  line-height: var(--cpg-leading-normal);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6, p, figure, blockquote, dl, dd { margin: 0; }
ul[class], ol[class] { list-style: none; margin: 0; padding: 0; }

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

button, input, select, textarea { font: inherit; color: inherit; }
button { background: none; border: 0; padding: 0; cursor: pointer; }

table { border-collapse: collapse; width: 100%; }

/* --- Typography defaults --------------------------------------------------- */
h1, h2, h3, h4 {
  font-family: var(--cpg-font-display);
  font-weight: var(--cpg-display-weight);
  letter-spacing: var(--cpg-display-tracking);
  line-height: var(--cpg-leading-tight);
  text-wrap: balance;
}
h5, h6 {
  font-family: var(--cpg-font-body);
  font-weight: 700;
  line-height: var(--cpg-leading-snug);
}

h1 { font-size: var(--cpg-text-5xl); }
h2 { font-size: var(--cpg-text-3xl); }
h3 { font-size: var(--cpg-text-xl); }
h4 { font-size: var(--cpg-text-lg); }
h5 { font-size: var(--cpg-text-md); }
h6 { font-size: var(--cpg-text-sm); }

p { text-wrap: pretty; }
p + p { margin-top: var(--cpg-space-sm); }

strong, b { font-weight: 700; }

a { color: inherit; text-decoration-thickness: 1px; text-underline-offset: 0.22em; }

/* --- Focus (WCAG 2.2 — visible, never removed) ----------------------------- */
:focus { outline: none; }
:focus-visible {
  outline: var(--cpg-focus-width) solid var(--cpg-focus-ring);
  outline-offset: var(--cpg-focus-offset);
  border-radius: var(--cpg-radius-xs);
}
.cpg-on-ink :focus-visible,
[data-cpg-surface="ink"] :focus-visible {
  outline-color: var(--cpg-focus-ring-on-ink);
}

/* --- Skip link ------------------------------------------------------------- */
.cpg-skip-link {
  position: absolute;
  left: var(--cpg-space-sm);
  top: var(--cpg-space-sm);
  z-index: var(--cpg-z-skip);
  transform: translateY(calc(-100% - var(--cpg-space-xl)));
  background: var(--cpg-ink);
  color: var(--cpg-text-on-ink);
  padding: var(--cpg-space-xs) var(--cpg-space-md);
  font-size: var(--cpg-text-sm);
  font-weight: 700;
  letter-spacing: 0.04em;
  text-decoration: none;
  transition: transform var(--cpg-duration-fast) var(--cpg-ease);
}
.cpg-skip-link:focus-visible { transform: translateY(0); }

/* --- Screen-reader utility -------------------------------------------------- */
.cpg-sr-only {
  position: absolute !important;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}
.cpg-sr-only-focusable:focus-visible {
  position: static !important;
  width: auto; height: auto;
  clip: auto; white-space: normal;
}

/* --- Layout primitives ------------------------------------------------------ */
.cpg-container {
  width: 100%;
  max-width: var(--cpg-container);
  margin-inline: auto;
  padding-inline: var(--cpg-gutter);
}
.cpg-container--wide { max-width: var(--cpg-container-wide); }
.cpg-container--text { max-width: var(--cpg-container-text); }
.cpg-container--flush { padding-inline: 0; }

.cpg-section { padding-block: var(--cpg-section-y); }
.cpg-section--tight { padding-block: var(--cpg-section-y-tight); }
.cpg-section--flush-top { padding-block-start: 0; }
.cpg-section--flush-bottom { padding-block-end: 0; }
.cpg-section--ruled { border-top: var(--cpg-border-hair) solid var(--cpg-rule); }

.cpg-surface-ink {
  background: var(--cpg-surface-ink);
  color: var(--cpg-text-on-ink);
}
.cpg-surface-paper { background: var(--cpg-paper); }
.cpg-surface-shell { background: var(--cpg-surface-sunken); }
.cpg-surface-copper-tint { background: var(--cpg-copper-tint); }

.cpg-grid {
  display: grid;
  gap: var(--cpg-grid-gap);
  grid-template-columns: repeat(var(--cpg-grid-columns), minmax(0, 1fr));
}
.cpg-cols-2, .cpg-cols-3, .cpg-cols-4 {
  display: grid;
  gap: var(--cpg-grid-gap);
  grid-template-columns: 1fr;
}
.cpg-stack { display: flex; flex-direction: column; gap: var(--cpg-space-sm); }
.cpg-stack--md { gap: var(--cpg-space-md); }
.cpg-stack--lg { gap: var(--cpg-space-lg); }
.cpg-cluster {
  display: flex; flex-wrap: wrap;
  align-items: center;
  gap: var(--cpg-space-sm);
}

@media (min-width: 48rem) {
  .cpg-cols-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .cpg-cols-3 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .cpg-cols-4 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (min-width: 64rem) {
  .cpg-cols-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .cpg-cols-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
}

/* --- Editorial helpers ------------------------------------------------------ */
.cpg-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: var(--cpg-space-2xs);
  font-family: var(--cpg-font-body);
  font-size: var(--cpg-text-2xs);
  font-weight: 700;
  letter-spacing: var(--cpg-eyebrow-tracking);
  text-transform: uppercase;
  color: var(--cpg-text-muted);
}
.cpg-eyebrow::before {
  content: "";
  width: 1.5rem;
  height: var(--cpg-border-hair);
  background: var(--cpg-copper);
  flex: none;
}
.cpg-eyebrow--bare::before { display: none; }
.cpg-on-ink .cpg-eyebrow,
[data-cpg-surface="ink"] .cpg-eyebrow { color: var(--cpg-text-on-ink-dim); }

.cpg-lead {
  font-size: var(--cpg-text-lg);
  line-height: var(--cpg-leading-relaxed);
  color: var(--cpg-text-subtle);
  max-width: var(--cpg-measure-lead);
}
.cpg-on-ink .cpg-lead,
[data-cpg-surface="ink"] .cpg-lead { color: var(--cpg-text-on-ink-muted); }

.cpg-prose { max-width: var(--cpg-measure); }
.cpg-prose p + p { margin-top: var(--cpg-space-md); }

.cpg-section-head {
  display: flex;
  flex-direction: column;
  gap: var(--cpg-space-sm);
  margin-bottom: var(--cpg-space-xl);
}
@media (min-width: 64rem) {
  .cpg-section-head--split {
    flex-direction: row;
    align-items: flex-end;
    justify-content: space-between;
    gap: var(--cpg-space-xl);
  }
  .cpg-section-head--split > :first-child { max-width: 44rem; }
}

.cpg-rule { border: 0; border-top: var(--cpg-border-hair) solid var(--cpg-rule); margin: 0; }
.cpg-on-ink .cpg-rule,
[data-cpg-surface="ink"] .cpg-rule { border-color: var(--cpg-rule-on-ink); }

/* --- Media ------------------------------------------------------------------ */
.cpg-media {
  position: relative;
  overflow: hidden;
  background: var(--cpg-surface-media);
  border-radius: var(--cpg-radius-media);
  aspect-ratio: var(--cpg-media-ratio, 4 / 3);
}
.cpg-media > img,
.cpg-media > video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: var(--cpg-media-focal, 50% 50%);
}
.cpg-media--wide  { --cpg-media-ratio: 16 / 9; }
.cpg-media--tall  { --cpg-media-ratio: 3 / 4; }
.cpg-media--square{ --cpg-media-ratio: 1 / 1; }
.cpg-media--hero  { --cpg-media-ratio: auto; aspect-ratio: auto; height: 100%; }

/* An empty media slot must still read as a deliberate placeholder, never as
   a broken image. Content editors see the label in the CMS. */
.cpg-media--placeholder {
  display: grid;
  place-items: center;
  background:
    repeating-linear-gradient(
      135deg,
      var(--cpg-surface-media) 0 12px,
      color-mix(in srgb, var(--cpg-surface-media) 88%, var(--cpg-ink)) 12px 24px
    );
}
.cpg-media__label {
  font-size: var(--cpg-text-2xs);
  font-weight: 700;
  letter-spacing: var(--cpg-eyebrow-tracking);
  text-transform: uppercase;
  color: var(--cpg-text-muted);
  padding: var(--cpg-space-2xs) var(--cpg-space-xs);
  background: var(--cpg-white);
}

/* --- Motion ----------------------------------------------------------------- */
.cpg-reveal {
  opacity: 0;
  transform: translate3d(0, var(--cpg-reveal-distance), 0);
}
html.cpg-motion .cpg-reveal {
  transition:
    opacity var(--cpg-duration-slow) var(--cpg-ease),
    transform var(--cpg-duration-slow) var(--cpg-ease);
}
html.cpg-motion .cpg-reveal.is-visible,
html:not(.cpg-motion) .cpg-reveal {
  opacity: 1;
  transform: none;
}
/* No-JS safety: never leave content invisible if the observer never runs. */
html.no-js .cpg-reveal { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }
  .cpg-reveal { opacity: 1 !important; transform: none !important; }
}

/* --- Print ------------------------------------------------------------------ */
@media print {
  .cpg-header, .cpg-footer, .cpg-skip-link { display: none !important; }
  body { background: #fff; color: #000; }
}