/* ARC — base element defaults & utility primitives.
 * Light, optional resets so specimens and kits inherit the brand by default. */

:root { color-scheme: light; }

body {
  font-family: var(--font-sans);
  color: var(--text-body);
  background: var(--surface-page);
  font-size: var(--text-base);
  line-height: var(--leading-normal);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

h1, h2, h3, h4, h5 {
  font-family: var(--font-display);
  color: var(--heading-color);
  font-weight: var(--heading-weight);
  text-transform: var(--heading-transform);
  line-height: var(--leading-tight);
  letter-spacing: var(--tracking-tight);
  margin: 0;
  text-wrap: balance;
}
h1 { font-size: var(--text-4xl); }
h2 { font-size: var(--text-2xl); }
h3 { font-size: var(--text-xl); }
h4 { font-size: var(--text-lg); }

p { margin: 0; text-wrap: pretty; }
a { color: var(--text-link); text-decoration: none; }
a:hover { color: var(--accent-hover); }

/* Eyebrow / kicker label */
.arc-eyebrow {
  font-size: var(--text-xs);
  font-weight: var(--eyebrow-weight);
  letter-spacing: var(--tracking-wider);
  text-transform: uppercase;
  color: var(--accent);
}

/* The signature short rule beneath a heading */
.arc-rule {
  display: block;
  width: 56px;
  height: var(--rule-accent);
  background: var(--accent);
  border: 0;
  margin: var(--space-3) 0;
}

/* Hexagon texture overlay used on dark navy sections.
   Apply to a dark element as a layered background. */
.arc-hex-bg {
  background-color: var(--arc-dark-blue);
  background-image:
    repeating-linear-gradient(60deg, rgba(255,255,255,0.022) 0 1px, transparent 1px 28px),
    repeating-linear-gradient(-60deg, rgba(255,255,255,0.022) 0 1px, transparent 1px 28px),
    repeating-linear-gradient(0deg, rgba(255,255,255,0.022) 0 1px, transparent 1px 48px);
}

/* The angled chevron accent block (parallelogram) */
.arc-chevron {
  display: inline-block;
  transform: skewX(var(--skew));
  background: var(--accent);
}
.arc-chevron > * { display: inline-block; transform: skewX(calc(-1 * var(--skew))); }