:root{
  --font-sans:"ABC Camera Plain","Helvetica Neue",Arial,sans-serif;
  --font-mono:"ABC Camera Plain Mono",ui-monospace,SFMono-Regular,Menlo,monospace;

  --weight-regular:400;
  --weight-medium:500;
  --weight-bold:700;

  /* Display — statements. Set in Bold, tight leading, negative tracking. */
  --size-display-xl:88px;
  --size-display-lg:64px;
  --size-display-md:48px;
  /* Headings */
  --size-heading-lg:36px;
  --size-heading-md:28px;
  --size-heading-sm:21px;
  /* Body */
  --size-body-lg:20px;
  --size-body-md:17px;
  --size-body-sm:15px;
  --size-caption:13px;
  /* Labels / meta — mono, uppercase */
  --size-label:12px;
  --size-label-sm:11px;

  --leading-display:0.98;
  --leading-heading:1.1;
  --leading-body:1.5;
  --leading-relaxed:1.65;
  --leading-flat:1;

  --tracking-display:-0.03em;
  --tracking-heading:-0.02em;
  --tracking-body:0em;
  --tracking-label:0.08em;
  --tracking-label-wide:0.14em;

  --measure-prose:68ch;
  --measure-narrow:46ch;
}