body {
  margin: 0;
  font-family: 'Segoe UI', sans-serif;
  background-color: #000;
  color: #fff;
  line-height: 1.6;
  padding: 0 1rem;
}

header {
  text-align: center;
  padding: 2rem 0 1rem;
}

.logo {
  width: 70%;
  max-width: 440px;
  height: auto;
  display: block;
  margin: 0 auto;
}

@media (min-width: 768px) {
  .logo {
    width: 55%;
    max-width: 600px;
  }
}

@media (min-width: 1024px) {
  .logo {
    width: 45%;
    max-width: 800px;
  }
}



main {
  max-width: 800px;
  margin: auto;
}

section {
  margin-bottom: 3rem;
}

h1, h2 {
  font-weight: 600;
}

h1 {
  font-size: 1.5rem;
  text-align: center;
  margin-bottom: 2rem;
}

h2 {
  font-size: 1.25rem;
  border-bottom: 1px solid #444;
  padding-bottom: 0.5rem;
  margin-bottom: 1rem;
}

a {
  color: #0cf;
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

footer {
  text-align: center;
  padding: 2rem 0;
  font-size: 0.9rem;
  color: #777;
}