/* theme.css — canonical COBOL / polyhymnia design tokens.
   Single source of truth for index / enroll / classroom.
   Change a color, font, or metric HERE and every page updates. */
:root{
  /* surface + ink */
  --paper:#F6F3ED; --ink:#111111; --white:#fff;
  --ink-72:rgba(17,17,17,.72); --ink-52:rgba(17,17,17,.52); --placeholder:#6b675e;
  /* accent */
  --cobalt:#072AC8; --cobalt-tint:rgba(7,42,200,.06); --cobalt-line:rgba(7,42,200,.28);
  /* lines */
  --line:#111111; --line-soft:rgba(17,17,17,.16);
  /* type */
  --font-sans:'Geist','Anuphan',system-ui,-apple-system,'Segoe UI',sans-serif;
  --font-mono:'Geist Mono','Anuphan',ui-monospace,'SFMono-Regular',Menlo,monospace;
  /* metrics */
  --maxw:1180px; --pad-x:clamp(1.25rem,5vw,4.5rem); --radius:3px; --topbar:56px;
  /* motion (both aliases are the same curve) + layering */
  --ease:cubic-bezier(.16,1,.3,1); --ease-out:cubic-bezier(.16,1,.3,1);
  --z-sticky:100; --z-overlay:1000;
}