.button {
  display: inline-block;
  background-color: #4caf50;
  color: white;
  padding: 10px 20px;
  text-align: center;
  text-decoration: none;
  border-radius: 5px;
  margin: 5px 0;
}
.button:hover {
  background-color: #45a049;
}

body {
  font-family: Arial, sans-serif;
  margin: 0;
  padding: 0;
  background: #f5f5f5;
}

.navbar {
  display: flex;
  justify-content: space-between;
  background-color: #000;
  padding: 10px 20px;
  color: white;
}

.navbar-links a,
.navbar-location a {
  color: white;
  text-decoration: none;
  margin-right: 15px;
}

.course-header {
  background: #ff8c00;
  color: white;
  padding: 20px;
  text-align: center;
}

.course-details h2 {
  font-size: 3em;
  margin: 0;
}

.course-details ul {
  list-style: none;
  padding: 0;
}

.course-details button {
  background: #ffd700;
  color: #000;
  padding: 10px 20px;
  border: none;
  margin-top: 15px;
  cursor: pointer;
}

.pricing {
  display: flex;
  justify-content: center;
  gap: 20px;
  padding: 20px;
  background: #e0f7fa;
}

.plan {
  background: #00796b;
  color: white;
  padding: 20px;
  border-radius: 10px;
  flex: 1;
  text-align: center;
}

.plan h3 {
  font-size: 1.5em;
}

.plan p {
  font-size: 2em;
}

.plan ul {
  list-style: none;
  padding: 0;
}

.plan button {
  background: #ffd700;
  color: #000;
  padding: 10px 20px;
  border: none;
  margin-top: 15px;
  cursor: pointer;
}

.cta,
.qa-course {
  text-align: center;
  padding: 20px;
  background: #00796b;
  color: white;
  margin: 20px 0;
}

.cta button,
.qa-course button {
  background: #ffd700;
  color: #000;
  padding: 10px 20px;
  border: none;
  cursor: pointer;
}

@media (max-width: 900px) {
  .course-details h2 {
    font-size: 2.2em; 
  }

  .pricing {
    padding: 16px;
    gap: 14px;
  }

  .plan {
    padding: 16px;
  }
}

@media (max-width: 600px) {
  .navbar {
    flex-wrap: wrap;
    gap: 10px;
    padding: 10px 12px;
  }

  .navbar-links {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
  }

  .navbar-links a {
    margin-right: 0; 
  }

  .navbar-location {
    width: 100%;
    text-align: left; 
  }

  /* HEADER */
  .course-header {
    padding: 16px 12px;
  }

  .course-header h1 {
    font-size: 1.2em;
  }

  .course-details h2 {
    font-size: 1.8em;
  }

  .pricing {
    flex-direction: column;
    align-items: stretch;
  }

  .plan {
    flex: none;
    width: 100%;
  }

  .course-details button,
  .plan button,
  .cta button,
  .qa-course button {
    width: 100%;
  }

  .cta,
  .qa-course {
    margin: 12px 0;
    padding: 16px 12px;
  }
}