body {
  font-family: 'Segoe UI', sans-serif;
  margin: 0;
  padding: 0;
  background: #000;
  color: #00f0e0;
}

header {
  background: #000;
  padding: 2rem 1rem 1rem;
  text-align: center;
}

.logo {
  max-height: 100px;
}

main {
  padding: 2rem;
  max-width: 800px;
  margin: auto;
  text-align: center;
}

.hero h1 {
  font-size: 2.2rem;
  margin-bottom: 1rem;
  color: #00f0e0;
}

.hero p {
  font-size: 1.15rem;
  color: #00f0e0;
  margin-bottom: 2rem;
}

.ad {
  width: 100%;
  max-width: 600px;
  height: auto;
  margin-bottom: 2rem;
  border: 1px solid #444;
  box-shadow: 0 2px 6px rgba(0,0,0,0.3);
}

.cta {
  display: inline-block;
  padding: 1rem 2rem;
  background: #00f0e0;
  color: #000;
  text-decoration: none;
  font-weight: bold;
  border-radius: 5px;
  font-size: 1rem;
}

footer {
  background: #000;
  color: #777;
  padding: 1rem;
  text-align: center;
  margin-top: 3rem;
}