/* ============================================================
   Cerestral — Base reset + element defaults
   ------------------------------------------------------------
   Minimal, opinionated. Sets the canvas, default type, tabular
   numerals for data, custom scrollbars, selection.
   ============================================================ */

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

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

body {
  margin: 0;
  background: var(--bg-canvas);
  color: var(--text-primary);
  font-family: var(--font-sans);
  font-size: var(--text-base);
  line-height: var(--lh-base);
  font-weight: var(--fw-regular);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  font-feature-settings: "cv05" 1, "ss01" 1;
}

/* Editorial serif headings by default */
h1, h2, h3, h4 {
  font-family: var(--font-serif);
  font-weight: var(--fw-medium);
  letter-spacing: var(--tracking-tight);
  color: var(--text-primary);
  margin: 0;
}

/* Data / numerals — tabular lining figures */
.tnum, [data-num] {
  font-variant-numeric: tabular-nums lining-nums;
  font-feature-settings: var(--num-tabular);
}

/* Mono eyebrow / caps label utility */
.eyebrow {
  font-family: var(--font-mono);
  font-size: var(--text-2xs);
  font-weight: var(--fw-medium);
  letter-spacing: var(--tracking-caps);
  text-transform: uppercase;
  color: var(--text-tertiary);
}

a { color: var(--text-link); text-decoration: none; }
a:hover { text-decoration: underline; text-underline-offset: 2px; }

::selection { background: var(--accent-tint-strong); color: var(--text-primary); }

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

/* Custom scrollbar — thin, terminal-like */
* { scrollbar-width: thin; scrollbar-color: var(--border-strong) transparent; }
*::-webkit-scrollbar { width: 10px; height: 10px; }
*::-webkit-scrollbar-thumb {
  background: var(--border-strong);
  border-radius: var(--radius-pill);
  border: 2px solid transparent;
  background-clip: content-box;
}
*::-webkit-scrollbar-thumb:hover { background: var(--text-faint); background-clip: content-box; }

/* Honest "missing data" — a foundational primitive, used everywhere */
.missing-data {
  font-family: var(--font-mono);
  font-size: 0.9em;
  color: var(--text-faint);
  letter-spacing: 0.01em;
}
.missing-data::before { content: "— "; }