:root {
  --primary-color: #007bff;
  --secondary-color: #0056b3;
  --background-color: #f9f9f9;
  --text-color: #333;
  --border-color: #ddd;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: 'Arial', sans-serif;
  padding-top: 80px;
  line-height: 1.6;
  color: #333;
  background-color: #f9f9f9;
}

#header {
  position: fixed;
  top: 0;
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px;
  background-color: var(--background-color);
  box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
  z-index: 1000;
}

#header-img {
  height: 40px;
  margin-right: 20px;
}

#nav-bar {
  display: flex;
  gap: 40px;
}

.nav-link {
  text-decoration: none;
  color: var(--text-color);
  font-weight: 500;
  transition: color 0.3s;
}

.nav-link:hover {
  color: var(--primary-color);
}

main {
  max-width: 1200px;
  margin: 0 auto;
  padding: 20px;
}

section {
  padding: 60px 0;
}

.video-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  margin: 40px 0;
}

#video {
  max-width: 100%;
  object-fit: cover;
  border-radius: 8px;
  margin-top: 20px;
}

#pricing-title {
  text-align: center;
}

.price-cards {
  display: flex;
  justify-content: center;
  gap: 30px;
  flex-wrap: wrap;
  margin-top: 20px;
}

.card {
  flex: 1;
  min-width: 280px;
  padding: 20px;
  border: 1px solid #ddd;
  border-radius: 8px;
  text-align: center;
  box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
  transition: transform 0.3s ease;
}

.card:hover {
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
  transform: translateY(-5px);
}

ul {
  list-style: none;
}

#form {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 15px;
  margin: 40px 0;
  padding: 20px;
  border: 1px solid var(--border-color);
  border-radius: 8px;
  box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
}

#email {
  padding: 10px;
  width: 300px;
  border: 2px solid var(--primary-color);
  border-radius: 4px;
}

#submit {
  padding: 10px 30px;
  background-color: var(--primary-color);
  color: white;
  border: none;
  border-radius: 4px;
  cursor: pointer;
  transition: background-color 0.3s;
  font-size: 16px;
}

#submit:hover {
  background-color: var(--secondary-color);
}

#contact a {
  text-decoration: none;
  color: #333;
}

footer {
  padding: 10px;
  text-align: end;
  background-color: var(--background-color);
  border-top: 1px solid var(--border-color);
}

@media (max-width: 768px) {
  #header {
    flex-direction: column;
    gap: 15px;
  }

  #nav-bar {
    flex-direction: row;
    align-items: center;
    gap: 10px;
  }

  .price-cards {
    flex-direction: column;
  }

  #video {
    width: 75%;
  }
}

@media (max-width: 480px) {
  main {
    padding: 10px;
  }

  .video-container {
    margin: 20px 0;
  }

  #video {
    width: 100%;
  }

  .price-cards {
    gap: 20px;
  }

  .card {
    min-width: 200px;
  }

  #form {
    margin: 20px 0;
  }

  #email {
    width: 250px;
  }
}