* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  font-family: Arial, sans-serif;
}

/* Header styles */
#header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background-color: #222;
  padding: 10px 20px;
  position: sticky;
  top: 0;
  z-index: 100;
}

#header-img {
  height: 50px;
  width: auto;
}

/* Navbar styles */
#nav-bar {
  display: flex;
  gap: 20px;
}

.nav-link {
  color: white;
  text-decoration: none;
  font-weight: bold;
  transition: color 0.3s;
}

.nav-link:hover {
  color: #ff6347;
}

/* Main content */
main {
  padding: 20px;
  max-width: 900px;
  margin: 0 auto;
}

/* Section styles */
section {
  margin-bottom: 40px;
}

h2 {
  margin-bottom: 15px;
  color: #333;
}

/* Lists */
ul {
  list-style-type: disc;
  padding-left: 20px;
  color: #555;
}

/* Video */
#video {
  max-width: 100%;
  height: auto;
  display: block;
  margin: 0 auto;
  border-radius: 8px;
  box-shadow: 0 4px 8px rgba(0,0,0,0.1);
}

/* Form */
#form {
  display: flex;
  gap: 10px;
  max-width: 400px;
  margin-top: 10px;
}

#email {
  flex-grow: 1;
  padding: 10px;
  font-size: 1rem;
  border: 2px solid #ddd;
  border-radius: 4px;
  transition: border-color 0.3s;
}

#email:focus {
  border-color: #ff6347;
  outline: none;
}

#submit {
  background-color: #ff6347;
  color: white;
  border: none;
  padding: 0 20px;
  border-radius: 4px;
  font-size: 1rem;
  cursor: pointer;
  transition: background-color 0.3s;
}

#submit:hover {
  background-color: #e5533d;
}

/* Media Query for smaller screens */
@media (max-width: 600px) {
  #header {
    flex-direction: column;
    align-items: flex-start;
  }

  #nav-bar {
    flex-direction: column;
    width: 100%;
    gap: 10px;
    margin-top: 10px;
  }

  main {
    padding: 10px;
  }

  #form {
    flex-direction: column;
  }

  #submit {
    width: 100%;
  }
}