body{
  margin:0;
  font-family: Arial, Helvetica, sans-serif;
  background:#f8fafc;
  color:#222;
}

header{
  background:#0f172a;
  color:#fff;
  padding:15px 30px;
}

nav{
  display:flex;
  justify-content:space-between;
  align-items:center;
  flex-wrap:wrap;
}

nav a{
  color:#fff;
  margin:0 10px;
  text-decoration:none;
  font-weight:600;
}

nav a:hover{
  color:#38bdf8;
}

.hero{
  background: 
    linear-gradient(rgba(226,232,240,0.85), rgba(226,232,240,0.85)),
    url("images/hero/bg.jpg");
  background-size: cover;
  background-position: center;
  text-align: center;
  padding: 80px 20px;
}


section{
  max-width:1100px;
  margin:auto;
  padding:60px 20px;
}

.grid{
  display:grid;
  grid-template-columns:repeat(auto-fit,minmax(250px,1fr));
  gap:20px;
}

.card{
  background:#fff;
  padding:20px;
  border-radius:10px;
  box-shadow:0 6px 15px rgba(0,0,0,0.08);
}

.btn{
  display:inline-block;
  background:#16a34a;
  color:#fff;
  padding:12px 22px;
  border-radius:6px;
  text-decoration:none;
  margin-top:15px;
}

footer{
  background:#0f172a;
  color:#fff;
  text-align:center;
  padding:20px;
  margin-top:50px;
}

form input, form textarea{
  width:100%;
  padding:10px;
  margin:8px 0;
}