body {
  margin: 0;
  font-family: sans-serif;
  background: #fff;
  color: #111;
}
header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 2rem;
  background: #f9f9f9;
}
.logo, .footer-logo {
  height: 40px;
}
nav a {
  margin-left: 1rem;
  text-decoration: none;
  color: #111;
}
.hero {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 2rem;
}
.hero-video video {
  width: 100%;
  max-width: 500px;
}
.btn {
  display: inline-block;
  margin-top: 1rem;
  padding: 0.75rem 1.5rem;
  background: #111;
  color: #fff;
  text-decoration: none;
  border-radius: 6px;
}
section {
  padding: 2rem;
}
footer {
  text-align: center;
  padding: 1rem;
  background: #f1f1f1;
}