:root {
  --brand:   #137a48;   /* 1 · primary  — buttons, links, accents  (Pho House logo green #1AA664, deepened: 5.38:1 with white) */
  --brand-2: #123b2a;   /* 2 · secondary — green bands, footer      (deep bowl green, 12.46:1 with white)                   */
  --brand-3: #c8811a;   /* 3 · highlight — badges, small hits       (pho-broth amber; never body text on white, 3.18:1)     */
  --canvas:  #f7f5ee;   /* 4 · warm section background                                                                       */
  --ink:     #1c2420;   /* 5 · text                                                                                          */
}