styles-gpt3.css

body {
  font-family: Arial, sans-serif;
  line-height: 1.6;
  margin: 0;
  padding: 0;
  background-color: #f4f4f4;
  color: #333;
  display: grid;
  grid-template-rows: auto 1fr auto;
  min-height: 100vh;
}

header {
  background: #333;
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem;
  position: fixed;
  width: 100%;
  top: 0;
  z-index: 1000;
}

#header-img {
  height: 50px;
}

#nav-bar {
  display: flex;
}

.nav-link {
  color: #fff;
  text-decoration: none;
  padding: 0 1rem;
}

.nav-link:hover {
  text-decoration: underline;
}

main {
  margin-top: 80px;
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
  padding: 1rem;
}

section {
  padding: 1rem;
  background: #fff;
  box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
}

#video {
  width: 100%;
  height: auto;
}

#form-section {
  display: flex;
  flex-direction: column;
  align-items: center;
}

#form {
  display: flex;
  flex-direction: column;
  align-items: center;
  max-width: 400px;
  width: 100%;
}

#email {
  width: 100%;
  padding: 0.5rem;
  margin-bottom: 1rem;
}

#submit {
  padding: 0.5rem 1rem;
  background: #333;
  color: #fff;
  border: none;
  cursor: pointer;
}

#submit:hover {
  background: #555;
}

footer {
  background: #333;
  color: #fff;
  text-align: center;
  padding: 1rem 0;
}

@media (min-width: 768px) {
  main {
      grid-template-columns: 1fr 1fr;
  }
}