body {
  margin: 0;
  font-family: sans-serif;
  color: #111;
}
.topbar {
  background: #fff;
  box-shadow: 0 2px 4px rgba(0,0,0,0.1);
  padding: 1rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: sticky;
  top: 0;
  z-index: 10;
}
.logo {
  height: 40px;
}
nav {
  display: none;
}
nav a {
  margin: 0 1rem;
  text-decoration: none;
  color: #333;
}
.hamburger {
  font-size: 24px;
  background: none;
  border: none;
  cursor: pointer;
}
.hero {
  position: relative;
  background-image: url('hero-wrc.jpg');
  background-size: cover;
  background-position: center;
  height: 70vh;
  color: white;
  text-align: center;
}
.overlay {
  position: absolute;
  inset: 0;
  background: rgba(0,0,0,0.6);
}
.hero-content {
  position: relative;
  top: 40%;
  transform: translateY(-40%);
}
.btn {
  background: red;
  padding: 10px 20px;
  color: white;
  text-decoration: none;
  border-radius: 8px;
}
.content {
  padding: 2rem;
  max-width: 800px;
  margin: auto;
}
footer {
  background: #222;
  color: white;
  padding: 2rem;
  text-align: center;
}
footer a {
  color: #eee;
  text-decoration: underline;
}
@media (min-width: 640px) {
  nav {
    display: block !important;
  }
  .hamburger {
    display: none;
  }
}