/* IDauto Design System — base.css
 * Reset, typography roles, focus, accessibility primitives, layout.
 * Every value is a token from tokens/tokens.css — no arbitrary values. */

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

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

body {
  margin: 0;
  background: var(--ida-bg);
  color: var(--ida-text);
  font-family: var(--ida-font-editorial);
  font-size: var(--ida-size-16);
  line-height: 1.55;
  min-height: 100vh;
}

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

h1, .ida-h1 { font-size: var(--ida-size-36); font-weight: var(--ida-weight-semibold); line-height: 1.15; letter-spacing: -0.01em; }
h2, .ida-h2 { font-size: var(--ida-size-28); font-weight: var(--ida-weight-semibold); line-height: 1.2; letter-spacing: -0.01em; }
h3, .ida-h3 { font-size: var(--ida-size-22); font-weight: var(--ida-weight-semibold); line-height: 1.3; }
h4, .ida-h4 { font-size: var(--ida-size-18); font-weight: var(--ida-weight-semibold); line-height: 1.35; }

@media (min-width: 768px) {
  h1, .ida-h1 { font-size: var(--ida-size-46); }
}

small, .ida-small { font-size: var(--ida-size-14); }
.ida-caption { font-size: var(--ida-size-12); color: var(--ida-text-muted); }
.ida-muted { color: var(--ida-text-muted); }

/* Identifier typography role — IVID, plates, VIN, record dates.
 * Distinct from editorial type by design: identifiers are data. */
.ida-id {
  font-family: var(--ida-font-id);
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.04em;
}

/* Marginal label — the passport/document section label language */
.ida-label {
  font-size: var(--ida-size-12);
  font-weight: var(--ida-weight-medium);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ida-text-muted);
}
[lang="ar"] .ida-label, .ida-label[lang="ar"] { letter-spacing: 0; text-transform: none; }

a { color: var(--ida-text); text-decoration: underline; text-underline-offset: 2px; }
a:hover { color: var(--ida-verify); }

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

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

/* Focus — one visible language everywhere, WCAG 2.4.7 */
:focus-visible {
  outline: 2px solid var(--ida-focus);
  outline-offset: 2px;
  border-radius: var(--ida-radius-control);
}

::selection { background: var(--ida-verify-tint); color: var(--ida-text); }

/* Screen-reader-only text */
.ida-sr-only {
  position: absolute;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden;
  clip-path: inset(50%);
  white-space: nowrap;
  border: 0;
}

/* Skip link */
.ida-skip-link {
  position: absolute;
  inset-inline-start: var(--ida-space-4);
  top: calc(-1 * var(--ida-space-8));
  z-index: 100;
  background: var(--ida-primary);
  color: var(--ida-primary-contrast);
  padding: var(--ida-space-2) var(--ida-space-4);
  border-radius: var(--ida-radius-control);
  transition: top var(--ida-duration-fast) var(--ida-easing-standard);
}
.ida-skip-link:focus-visible { top: var(--ida-space-4); }

/* Layout */
.ida-container {
  width: 100%;
  max-width: 1120px;
  margin-inline: auto;
  padding-inline: var(--ida-space-4);
}
@media (min-width: 768px) {
  .ida-container { padding-inline: var(--ida-space-6); }
}

.ida-stack > * + * { margin-block-start: var(--ida-space-4); }
.ida-stack-lg > * + * { margin-block-start: var(--ida-space-6); }

.ida-grid {
  display: grid;
  gap: var(--ida-space-4);
  grid-template-columns: 1fr;
}
@media (min-width: 768px) {
  .ida-grid-2 { grid-template-columns: repeat(2, 1fr); }
  .ida-grid-3 { grid-template-columns: repeat(3, 1fr); }
}

/* La trame — the IDauto security-line pattern (see js/trame in components).
 * Applied as a background band; intensity controlled by one token so it can
 * never become decoration noise. */
.ida-trame {
  position: relative;
  overflow: hidden;
}
.ida-trame::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  opacity: var(--ida-trame-opacity);
  background-image: repeating-linear-gradient(
    115deg,
    currentColor 0,
    currentColor 1px,
    transparent 1px,
    transparent 7px
  );
}

/* Perforation rule — document separator */
.ida-perf {
  border: 0;
  border-block-start: 2px dotted var(--ida-border-strong);
  margin: 0;
}

/* Motion discipline — everything stops under reduced motion */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}