/* ===========================================================================
   Starfall Academy — Base element styling & text helpers
   Applies the house type system to raw elements and provides a small set of
   heading / eyebrow utilities used across components and kits.
   =========================================================================== */

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

/* Headings — Spectral Bold, all caps, gilded by default ----------------- */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: var(--weight-bold);
  color: var(--text-strong);
  line-height: var(--leading-tight);
  margin: 0;
}

::selection { background: color-mix(in oklab, var(--gold-500) 38%, transparent); color: var(--parchment-50); }

a { color: var(--text-gold); text-decoration-color: var(--border-strong); text-underline-offset: 0.18em; }
a:hover { color: var(--gold-300); }

code, pre, kbd, samp { font-family: var(--font-mono); }

/* ---- Display / heading helper classes --------------------------------- */
.sa-display {
  font-family: var(--font-display);
  font-weight: var(--weight-bold);
  font-size: var(--text-5xl);
  line-height: var(--leading-tight);
  letter-spacing: var(--tracking-wider);
  text-transform: uppercase;
  color: var(--text-strong);
}
.sa-h1 { font-family: var(--font-display); font-weight: 700; font-size: var(--text-4xl); letter-spacing: var(--tracking-wide); text-transform: uppercase; line-height: var(--leading-tight); }
.sa-h2 { font-family: var(--font-display); font-weight: 700; font-size: var(--text-3xl); letter-spacing: var(--tracking-wide); text-transform: uppercase; line-height: var(--leading-snug); }
.sa-h3 { font-family: var(--font-display); font-weight: 700; font-size: var(--text-2xl); letter-spacing: var(--tracking-wide); text-transform: uppercase; line-height: var(--leading-snug); }
.sa-h4 { font-family: var(--font-display); font-weight: 700; font-size: var(--text-xl); letter-spacing: var(--tracking-wide); }

/* Eyebrow / overline — the gilded label above titles */
.sa-eyebrow {
  font-family: var(--font-sans);
  font-weight: var(--weight-medium);
  font-size: var(--text-xs);
  letter-spacing: var(--tracking-widest);
  text-transform: uppercase;
  color: var(--text-gold);
}

/* Lead / body */
.sa-lead { font-family: var(--font-serif); font-size: var(--text-lg); line-height: var(--leading-relaxed); color: var(--text-body); }
.sa-body { font-family: var(--font-serif); font-size: var(--text-md); line-height: var(--leading-relaxed); color: var(--text-body); }
.sa-small { font-family: var(--font-sans); font-size: var(--text-sm); color: var(--text-muted); }

/* UI label — geometric sans, the workhorse for buttons / form labels */
.sa-label {
  font-family: var(--font-sans);
  font-weight: var(--weight-medium);
  font-size: var(--text-sm);
  letter-spacing: var(--tracking-wide);
}

/* A gilded horizontal rule */
.sa-rule { height: 1px; border: 0; background: var(--rule-gold); opacity: 0.7; }