:root {
  /* Backgrounds */
  --bg-gradient-start: #4A90E2;
  --bg-gradient-end: #357ABD;
  --body-bg-color: #F7F9FC;
  --container-bg: #FFFFFF;
  --footer-bg: #EAF4F4;
  --promo-bg-start: #E7F0FF;
  --promo-bg-end: #D0DBFF;

  /* Text colors */
  --text-primary: #2C3E50;
  --text-secondary: #7F8C8D;
  --text-muted: #95A5A6;
  --footer-text: #7F8C8D;

  /* Borders & lines */
  --border-light: #CCDCDC;
  --border-dark: #2A5298;

  /* Buttons & Links */
  --btn-primary-start: #4A90E2;
  --btn-primary-end: #357ABD;
  --btn-primary-hover: #2C3E50;

  --btn-secondary-bg: #50E3C2;
  --btn-secondary-hover: #3AC9B5;

  /* Shadows */
  --shadow-primary: rgba(74, 144, 226, 0.35);
  --shadow-primary-hover: rgba(44, 62, 80, 0.5);

  /* Warnings / Errors */
  --error-bg: #FFF5F5;
  --error-border: #DC3545;
  --error-text: #842029;
}