:root{
  /* --- Brand palette (MANUAL DE MARCA CAMPANHA CNSLUZ: 0081ff / fcd000 / ffffff / df3931) --- */
  --luz-blue:#0081ff;
  --luz-yellow:#fcd000;
  --luz-white:#ffffff;
  --luz-red:#df3931;

  /* --- Blue ramp. --luz-blue-500 IS the manual value; the rest are tints/shades of it. --- */
  --luz-blue-50:#e8f3ff;
  --luz-blue-100:#cce4ff;
  --luz-blue-200:#99caff;
  --luz-blue-300:#5aabff;
  --luz-blue-400:#2b93ff;
  --luz-blue-500:#0081ff;
  --luz-blue-600:#0068d6;
  --luz-blue-700:#0b4fae;
  --luz-blue-800:#0d3c86;
  --luz-blue-900:#0a2b5e;

  /* --- Yellow ramp. --luz-yellow-500 IS the manual value. --- */
  --luz-yellow-100:#fff6cc;
  --luz-yellow-200:#ffeb99;
  --luz-yellow-300:#ffe066;
  --luz-yellow-400:#fed933;
  --luz-yellow-500:#fcd000;
  --luz-yellow-600:#e0b700;
  --luz-yellow-700:#b08f00;

  /* --- Red ramp. --luz-red-500 IS the manual value. --- */
  --luz-red-100:#fbdedc;
  --luz-red-300:#ee8a85;
  --luz-red-500:#df3931;
  --luz-red-600:#c22b24;
  --luz-red-700:#96201a;

  /* --- Neutrals (not in the manual; derived so blue/yellow stay the only chroma) --- */
  --luz-gray-0:#ffffff;
  --luz-gray-50:#f6f8fb;
  --luz-gray-100:#eceff4;
  --luz-gray-200:#dbe1ea;
  --luz-gray-300:#bcc5d3;
  --luz-gray-400:#8e99aa;
  --luz-gray-500:#6b7686;
  --luz-gray-600:#4e5766;
  --luz-gray-700:#374050;
  --luz-gray-800:#232b38;
  --luz-gray-900:#131924;

  /* --- Section accents. Observed in printed material (Folheto), NOT in the manual palette.
         Use only as a page/section wash for a named program, never as UI chrome. --- */
  --luz-teal:#17b3a3;      /* Bilinguismo */
  --luz-green:#7ac143;     /* Socioemocional / Pastoral */
  --luz-violet:#5b4bd6;    /* Iniciacao Cientifica / HackaNav */
}