:root{
  color-scheme:light;
  --brand-primary:#04bfc8;
  --brand-primary-dark:#00858d;
  --brand-secondary:#1f1f23;
  --brand-accent:#ef4050;
  --brand-warm:#e58a32;
  --text-primary:#1d1e21;
  --text-secondary:#565a5f;
  --text-muted:#777b80;
  --surface:#fff;
  --surface-muted:#f5f3ed;
  --surface-soft:#ece9e1;
  --surface-inverse:#1f2024;
  --border:rgba(29,30,33,.16);
  --border-strong:rgba(29,30,33,.42);
  --hover:#e6f7f7;
  --focus:#007d86;
  --success:#237a55;
  --warning:#a46316;
  --danger:#c93342;
  --c-paper:var(--surface-muted);
  --c-paper-2:var(--surface-soft);
  --c-surface:var(--surface);
  --c-ink:var(--text-primary);
  --c-ink-soft:var(--text-secondary);
  --c-muted:var(--text-muted);
  --c-line:var(--border);
  --c-line-strong:var(--border-strong);
  --c-accent:var(--brand-primary);
  --c-accent-dark:var(--brand-primary-dark);
  --c-deep:var(--surface-inverse);
  --c-success:var(--success);
  --c-warning:var(--warning);
  --font-display:"Iowan Old Style","Palatino Linotype",Palatino,"Book Antiqua",Georgia,serif;
  --font-sans:Inter,"Segoe UI","Helvetica Neue",Arial,sans-serif;
  --font-mono:"SFMono-Regular",Consolas,monospace;
  --fs-xs:.6875rem;--fs-sm:.8125rem;--fs-base:1rem;--fs-md:1.125rem;--fs-lg:clamp(1.25rem,2vw,1.5rem);--fs-xl:clamp(1.8rem,3vw,2.8rem);--fs-2xl:clamp(2.65rem,6vw,6.4rem);
  --space-1:.25rem;--space-2:.5rem;--space-3:.75rem;--space-4:1rem;--space-5:1.5rem;--space-6:2rem;--space-7:3rem;--space-8:4.5rem;--space-9:7rem;
  --shell:min(100% - 40px,1440px);--shell-wide:min(100% - 24px,1680px);--reading:760px;--radius:2px;--radius-soft:8px;--ease:cubic-bezier(.2,.7,.2,1);--speed:220ms;
}