*{box-sizing:border-box;margin:0;padding:0}
body{font-family:Arial,Helvetica,sans-serif;color:#111;background:#fff;line-height:1.6}
section{padding:80px 20px;max-width:1200px;margin:auto}
.hero{min-height:90vh;display:flex;flex-direction:column;justify-content:center}
.hero h1{font-size:48px;letter-spacing:2px}
.hero p.tagline{margin-top:24px;font-size:14px;opacity:.7}
.block{margin-top:40px}
.block h2{font-size:28px;margin-bottom:16px}
.block p{max-width:760px}
img.full{width:100%;margin-top:24px}
footer{padding:60px 20px;border-top:1px solid #eee;text-align:center;font-size:14px;color:#444}
@media(max-width:768px){
  .hero h1{font-size:34px}
  section{padding:60px 16px}
}