body{margin:0;font-family:Inter,Arial,sans-serif;color:#20323c}
header{background:#fff;position:sticky;top:0;display:flex;justify-content:space-between;align-items:center;padding:18px 6%;box-shadow:0 2px 8px rgba(0,0,0,.08)}
header img{height:72px}
nav a{margin-left:24px;text-decoration:none;color:#234;font-weight:600}
.hero{background:linear-gradient(rgba(12,40,55,.72),rgba(12,40,55,.72)),url('https://images.unsplash.com/photo-1516321318423-f06f85e504b3?auto=format&fit=crop&w=1800&q=80') center/cover;height:78vh;display:flex;align-items:center}
.wrap{max-width:1200px;margin:auto;padding:0 7%}
.hero h1{color:#fff;font-size:3.5rem;max-width:750px}
.hero p{color:#eef;max-width:650px;font-size:1.15rem}
.btn{display:inline-block;background:#2fb8b3;color:#fff;padding:14px 28px;border-radius:6px;text-decoration:none;margin-top:20px}
section{padding:70px 7%;max-width:1200px;margin:auto}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:22px}
.card{border:1px solid #dde5e8;border-radius:10px;padding:22px}
.card h3{color:#255e6a}
.stats{background:#143645;color:#fff;display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));text-align:center;padding:45px 7%}
.stats h2{margin:0;font-size:2.2rem;color:#2fb8b3}
footer{background:#0d2330;color:#fff;padding:40px 7%;text-align:center}