:root{
  --bs-body-font-family: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial;
  --brand-color: #0d6efd;
}
html,body{height:100%;}
body{
  font-family: var(--bs-body-font-family);
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
}

/* Simple container tweak */
.container{max-width:1100px}

/* Header/hero tweaks */
header{
  background-image: linear-gradient(180deg, rgba(13,110,253,0.05), rgba(13,110,253,0.02));
}

/* Footer */
footer{border-top:1px solid rgba(0,0,0,0.05)}

/* Utility: visually-hidden but available to assistive tech */
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);border:0}