/* Brand colours — single source of truth.
   Canonical reference: platform/CLAUDE.md → "Brand".
   When changing brand colours, also update manifest.webmanifest theme_color
   and the platform CLAUDE.md Brand section in the same commit. */
:root {
    --brand-teal: #00b3a4;
    --brand-teal-hover: #009d8f;
    --brand-navy: #1a3461;
    --brand-gradient: linear-gradient(135deg, #1a3461 0%, #00b3a4 100%);
}