/* Universal styles */
* { box-sizing: border-box; }

/* Mobile-first (small single-column) */
body {
  margin: 0;
  background-color: #90C7E3;
  color: #666666;
  font-family: Verdana, Arial, sans-serif;
}

header {
  background-color: #002171;
  color: #FFFFFF;
  font-family: Georgia, serif;
  padding: 1em;
}

h1 {
  margin: 0;
  text-align: center;
  font-size: 1.5em;
  color: #FFFFFF;
}

header a {
  text-decoration: none;
  color: #FFFFFF;
}

nav {
  text-align: center;
  background-color: #FFFFFF;
}

nav a { text-decoration: none; }
nav a:link { color: #5C7FA3; }
nav a:visited { color: #344873; }
nav a:hover { color: #A52A2A; }

nav ul {
  list-style-type: none;
  display: flex;
  flex-direction: column;
  margin: 0;
  padding-left: 0;
}

nav li {
  padding: .5em 1em;
  width: 100%;
  border-bottom: 1px solid #CCCCCC;
}

#wrapper {
  background-color: #FFFFFF;
}

main {
  padding: 0 1em;
  display: block;
}

h2 {
  color: #1976D2;
  font-family: Georgia, serif;
}

h3 { font-family: Georgia, serif; }

dt {
  color: #002171;
  font-weight: bold;
}

.resort {
  color: #1976D2;
  font-size: 1.2em;
}

section {
  padding: 0 .5em;
}

#homehero,
#yurthero,
#trailhero {
  height: 300px;
  background-repeat: no-repeat;
  background-size: 200% 100%;
}

#homehero { background-image: url('coast.jpg'); }
#yurthero { background-image: url('yurt.jpg'); }
#trailhero { background-image: url('trail.jpg'); }

footer {
  font-size: 0.70em;
  font-style: italic;
  text-align: center;
  padding: 1em;
  background-color: #FFFFFF;
}

/* Phone number behavior: link on small screens */
#mobile { display: inline; }
#desktop { display: none; }

/* Medium-sized mobile devices */
@media (min-width: 600px) {
  h1 { font-size: 2em; }

  nav ul {
    flex-direction: row;
    justify-content: space-around;
  }

  nav li {
    width: auto;
    border-bottom: none;
    border-right: 1px solid #CCCCCC;
  }

  nav li:last-child { border-right: none; }

  #homehero,
  #yurthero,
  #trailhero {
    background-size: 100% 100%;
  }

  /* Show plain-text phone on non-small displays */
  #mobile { display: none; }
  #desktop { display: inline; }
}

/* Large mobile devices and desktops */
@media (min-width: 1024px) {
  body { background-color: #EAEAEA; }

  #wrapper {
    min-width: 960px;
    max-width: 2048px;
    margin-right: auto;
    margin-left: auto;
    background: linear-gradient(#FFFFFF, #90C7E3);
    box-shadow: 0px 4px 8px rgba(0, 0, 0, 0.2);
  }

  header { height: 120px; padding: 0; }

  h1 {
    font-size: 3em;
    letter-spacing: 0.25em;
    padding-top: 0.5em;
  }

  nav {
    font-weight: bold;
    padding: 0;
    float: left;
    width: 160px;
    font-size: 1.2em;
    background-color: inherit;
    text-align: left;
  }

  nav ul {
    display: block;
    padding-left: 1em;
  }

  nav li {
    width: auto;
    border: none;
    padding: .5em 0;
  }

  main {
    padding-left: 2em;
    padding-right: 2em;
    background-color: #FFFFFF;
    margin-left: 170px;
    overflow: auto;
  }

  #homehero,
  #yurthero,
  #trailhero {
    background-size: 100% 100%;
    margin-left: 170px;
  }

  section {
    float: left;
    width: 33%;
    padding-left: 2em;
    padding-right: 2em;
  }

  footer { margin-left: 170px; }
}