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

body {
  font-family: Arial, sans-serif;
  line-height: 1.6;
}

/* HEADER FIXED */
#header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  background: #333;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 10px 20px;
  color: #fff;
  z-index: 1000;
}

#header-img {
  height: 50px;
}

#nav-bar {
  display: flex;
  gap: 20px;
}

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

.nav-link:hover {
  color: #00d8ff;
}

/* MAIN CONTENT SPACING */
main {
  margin-top: 100px;
  padding: 20px;
}

section {
  margin-bottom: 50px;
  text-align: center;
}

/* FORM */
#form {
  display: flex;
  flex-direction: column;
  gap: 10px;
  max-width: 300px;
  margin: 0 auto;
}

#email {
  padding: 10px;
  font-size: 16px;
}

#submit {
  padding: 10px;
  background: #333;
  color: white;
  border: none;
  cursor: pointer;
}

#submit:hover {
  background: #00d8ff;
}

/* FLEXBOX EXAMPLE */
#pricing ul {
  display: flex;
  justify-content: center;
  gap: 20px;
  list-style: none;
  padding: 0;
}

/* MEDIA QUERY */
@media (max-width: 768px) {
  #nav-bar {
    flex-direction: column;
    gap: 10px;
  }

  #pricing ul {
    flex-direction: column;
    gap: 10px;
  }
}