/* Air Temp — Typography tokens
   Display: Barlow Semi Condensed (heavy, athletic — nearest Google Fonts match to the
   logo's custom bold-italic lettering; see readme "Font substitution").
   Body: Barlow. Mono: system mono for spec sheets / part numbers. */
:root{
  --font-display:"Barlow Semi Condensed","Arial Narrow",sans-serif;
  --font-body:"Barlow","Helvetica Neue",Arial,sans-serif;
  --font-mono:"IBM Plex Mono",ui-monospace,"SF Mono",Menlo,monospace;

  /* Type scale (px) */
  --text-2xs:11px; --text-xs:12px; --text-sm:14px; --text-base:16px;
  --text-lg:18px;  --text-xl:20px; --text-2xl:24px; --text-3xl:30px;
  --text-4xl:38px; --text-5xl:48px; --text-6xl:64px; --text-7xl:82px;

  /* Weights */
  --weight-regular:400; --weight-medium:500; --weight-semibold:600;
  --weight-bold:700; --weight-extrabold:800; --weight-black:900;

  /* Line heights */
  --leading-tight:1.05; --leading-snug:1.18; --leading-normal:1.5; --leading-relaxed:1.65;

  /* Letter spacing */
  --tracking-tight:-0.02em; --tracking-normal:0; --tracking-wide:0.02em;
  --tracking-caps:0.08em; --tracking-eyebrow:0.14em;

  /* Semantic roles */
  --font-headline:var(--font-display);
  --font-eyebrow:var(--font-display);
  --font-ui:var(--font-body);
  --font-numeric:var(--font-mono);
}