/* ThyraGlow brand tokens · 2026-09-29 · complete-thyroid
   Fonts (Google Fonts, both from fresh_pool):
   <link rel="preconnect" href="https://fonts.googleapis.com"><link rel="preconnect" href="https://fonts.gstatic.com" crossorigin>
   <link href="https://fonts.googleapis.com/css2?family=Albert+Sans:wght@400;500;600;700&family=Instrument+Serif:ital@0;1&display=swap" rel="stylesheet">
   Contrast (WCAG): text-on-page 13.1:1 · kelp-on-page 9.9:1 · muted-on-white 7.0:1 · white-on-cta 4.8:1 · white-on-kelp 11.1:1 */
:root{
  /* palette */
  --tg-kelp:#17423E;        /* deep accent, headings, dark bands */
  --tg-teal:#2F7F78;        /* primary, links (use #1F6B64 for teal text on white: 6.3:1) */
  --tg-teal-text:#1F6B64;
  --tg-glass:#CDE6E0;       /* sea-glass tint */
  --tg-foam:#EEF6F3;
  --tg-blush:#F6D5C8;       /* warm tint, label band */
  --tg-sand:#FBF4EC;
  --tg-cta:#C9461F;         /* BUY buttons (white text 4.8:1) */
  --tg-cta-hover:#B03C18;
  --tg-coral:#E4694A;       /* decorative only (rules, icons); not for text/buttons w/ white text */
  --tg-save:#1E7A4C;        /* green SAVE tag, white text 5.3:1 */
  --tg-save-bg:#E3F3EA;
  /* neutrals */
  --tg-page:#F0F2F5;
  --tg-card:#FFFFFF;
  --tg-text:#1D2B2A;
  --tg-muted:#4A5D5B;
  --tg-line:#D9E1E0;
  --tg-charcoal:#2B3332;    /* secondary (non-best) buttons */
  /* type */
  --tg-font-head:'Instrument Serif',Georgia,serif;
  --tg-font-body:'Albert Sans',system-ui,-apple-system,'Segoe UI',sans-serif;
  --tg-body-size:17px; --tg-body-lh:1.6;
  /* shape */
  --tg-r-sm:8px; --tg-r:14px; --tg-r-lg:22px; --tg-r-pill:999px;
  --tg-shadow-1:0 1px 2px rgba(23,66,62,.08),0 2px 8px rgba(23,66,62,.06);
  --tg-shadow-2:0 6px 24px rgba(23,66,62,.14);
  --tg-shadow-best:0 10px 34px rgba(23,66,62,.22);
  --tg-glow:radial-gradient(closest-side,rgba(205,230,224,.6),rgba(205,230,224,0));
  --tg-sun:linear-gradient(180deg,#F6D5C8,#E4694A);
}