/* reset styles */
* {
  margin: 0;
  padding: 0;
}

a {
  text-decoration: none;
  color: black;
}

li {
  list-style: none;
}

/* utility */
.row-wrapper {
  display: flex;
  flex-direction: row;
  align-items: center;
}

.column-wrapper {
  display: flex;
  flex-direction: column;
  align-items: center;
}

body {
  font-family: 'Roboto', sans-serif;
  background-color: #f1f1f1;
}

/* header */
#header {
  justify-content: space-evenly;
  background-color: white;
  box-shadow: rgba(149, 157, 165, 0.2) 0px 8px 24px;
  padding: 18px;
  margin-bottom: 60px;
  position: sticky;
  top: 0;
}

#header-img {
  width: 300px;
}

#nav-bar li {
  list-style: none;
  margin-left: 40px;
}

/* main */
h1 {
  text-align: center;
  font-size: 24px;
  margin-bottom: 20px;
}

#email {
  width: 280px;
  height: 30px;
}

#email {
   padding-left: 10px;
   margin-bottom: 20px;
}

#submit {
  width: 180px;
  height: 40px;
  font-family: 'Product Sans', sans-serif;
  font-size: 18px;
  font-weight: bold;
  text-transform: uppercase;
  background-color: #ffc100;
  border-radius: 5px;
  border: none;
}

/* features section */
#features {
  justify-content: center;
  margin: 80px 0;
  padding: 0 20px;
}

#features li:not(:last-of-type) {
  margin-bottom: 60px;
}

/* how it works section */
#how-it-works {
  justify-content: center;
  margin-bottom: 80px;
}

iframe {
  width: 580px;
  height: 320px;
  border: none;
}

/* pricing section */
#pricing {
  justify-content: center;
  box-sizing: border-box;
  margin-bottom: 50px;
  padding: 0 20px;
}

.tenor, .bass, .valve {
  width: 300px;
  height: 300px;
  border: 1px solid black;
}

.tenor, .bass, .valve {
  margin: 0 25px; 
}

#pricing p {
  text-align: center;
}

.upper-box {
  background-color: #ddd;
  padding: 15px 0;
  margin-bottom: 20px;
}

.upper-box p{
  text-transform: uppercase;
  font-family: 'Product Sans', sans-serif;
  font-weight: bold;
}

.cost {
  font-size: 21px;
  font-weight: bold;
  margin-bottom: 20px;
}

.lower-box p:not(:last-of-type) {
  margin-bottom: 12px;
}

#pricing button {
  padding: 8px 40px;
  margin-top: 20px;
  background-color: #ffc100;
  border-radius: 5px;
  border: none;
  text-transform: uppercase;
}

/* footer */
footer {
  background-color: #ddd;
  padding: 10px 0;
  font-size: 12px;
}

footer li {
  padding: 0 15px;
}

footer ul {
  margin-bottom: 5px;
}

/* @media */
@media screen and (max-width: 800px) {
  #header {
    display: flex;
    flex-direction: column;
  }

  #nav-bar {
    margin-top: 10px;
  }

  #pricing {
    display: flex;
    flex-direction: column;
  }

  .tenor, .bass, .valve {
    margin: 25px 0; 
  }
}