* {
  /* PRIMARY – Water / Technology Blue */
  --primary-color: #137DB0;
  --primary-color-rgb: 19, 125, 176;

  /* SECONDARY – Environmental Green (balances blue) */
  --secondary-color: #000;
  --secondary-color-rgb: 78, 124, 89;

  /* BACKGROUND – Clean, airy */
  --background: #F6FAFC;

  /* TEXT COLORS */
  --title-font-color: #1F3A4A;        /* Strong blue-grey for headings */
  --body-font-color: #4B5F6B;         /* Soft readable body text */
  --dark-body-font-color: rgba(255, 255, 255, 0.85);

  /* SECTION BACKGROUNDS */
  --bg-color-even: #EDF3F7;
  --bg-color-odd: #F8FBFD;

  /* DARK SECTIONS */
  --bg-dark-1: #0F4E6E;               /* Deep engineering blue */
  --bg-dark-1-rgb: 15, 78, 110;

  --bg-dark-2: #0C3E57;
  --bg-dark-3: #134B63;
  --bg-dark-3-rgb: 19, 75, 99;

  /* GREY / LIGHT */
  --bg-grey: #EEF2F5;
  --bg-light: #E6F1F6;
}