body{margin:0;font-family:'Montserrat',sans-serif;line-height:1.6}
h1,h2,h3{font-weight:700}
.hero{background:#0D1F3C;color:#fff;text-align:center;padding:60px 20px}
.logo-big{max-width:320px;width:100%;height:auto;margin:0 auto 20px;display:block;
  filter: drop-shadow(0 4px 12px rgba(0,0,0,0.6));}
.section{padding:60px 20px}
.section.bg-white{background:#fff;color:#0D1F3C}
.section.bg-white h2{color:#0D1F3C}
.section.bg-white p{color:#222}
.services img{width:56px;height:56px;display:block;margin:0 auto 10px}
.whatsapp{position:fixed;bottom:22px;right:20px;width:56px;height:56px;border-radius:50%;display:grid;place-items:center;background:#25D366;box-shadow:0 10px 24px rgba(0,0,0,.35);z-index:1000}
.whatsapp img{width:28px;height:28px}