:root{
  --primary:#0066ff;
  --dark:#111;
  --light:#f8f9fa;
}
body{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,"Noto Sans",sans-serif;color:var(--dark);}
.navbar{background:var(--dark);}
.hero{height:100vh;background:url('../img/hero.jpg') center/cover no-repeat;position:relative;}
.hero::before{content:"";position:absolute;inset:0;background:rgba(0,0,0,.55);}
.hero .container{position:relative;z-index:2;}
#four-ways li{line-height:1.8;}
footer{background:var(--dark)!important;}
.btn-primary{background-color:var(--primary);border-color:var(--primary);}