:root {
  --blue:#0033cc;
  --yellow:#ffcc00;
  --dark:#001133;
}

body {
  margin:0;
  font-family: Arial, sans-serif;
  background:#f7f9fc;
  color:#222;
}

header {
  background:var(--dark);
  color:white;
  padding:15px 30px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  position:sticky;
  top:0;
  z-index:10;
}

.logo {height:60px;}

nav a {
  color:white;
  margin-left:20px;
  text-decoration:none;
  font-weight:bold;
  transition:0.3s;
}

nav a:hover {color:var(--yellow);}

.hero {
  background:linear-gradient(135deg,var(--blue),var(--yellow));
  color:white;
  padding:100px 20px;
  text-align:center;
  animation:fadeIn 1.2s ease;
}

.hero h2 {font-size:48px; margin-bottom:10px;}
.hero p {font-size:20px;}

section {
  padding:60px 20px;
  max-width:1000px;
  margin:auto;
  animation:fadeInUp 1s ease;
}

footer {
  background:var(--dark);
  color:white;
  text-align:center;
  padding:20px;
  margin-top:40px;
}

@keyframes fadeIn {from{opacity:0;} to{opacity:1;}}
@keyframes fadeInUp {from{opacity:0; transform:translateY(20px);} to{opacity:1; transform:translateY(0);}}

/* Responsive */
@media(max-width:700px){
  nav a{margin-left:10px;}
  .hero h2{font-size:32px;}
}