:root {
  --color-blue: #001e62;
  --color-gray: #bcbec0;
  --color-sky: #307fe2;
  --color-white: #ffffff;
}

html {
  position: relative;
  background: var(--color-gray);
  color: var(--color-blue);
  font-size: 16px;
  font-family: 'Poppins', sans-serif;
  height: 100%;
}

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

figure {
  margin: 0;
}

img {
  vertical-align: middle;
}

#landing {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  min-height: 100%;
}

.content {
  padding: 3rem 2rem;
  box-sizing: border-box;
  max-width: 35em;
}

.header-logo {
  margin: 0;
  text-transform: uppercase;
}

.header-logo-img {
  display: block;
  height: 1.5rem;
}

.header-tagline {
  margin: 2rem 0 1rem 0;
  color: var(--color-white);
  font-size: 1.75rem;
  font-weight: 700;
}

.header-tagline-em {
  color: var(--color-sky);
  text-transform: uppercase;
  font-style: normal;
}

.header-copy {
  margin: 0;
  font-size: 1.25rem;
  font-weight: 300;
}

.enquiries {
  margin: 3rem 0;
}

.enquiries-copy {
  margin: 0;
  font-size: 1rem;
  font-weight: 400;
}

.enquiries-button {
  display: block;
  background: var(--color-sky);
  color: var(--color-white);
  margin: .5rem 0 1rem 0;
  padding: .5rem .75rem;
  width: fit-content;
  font-weight: 600;
  border-radius: .25rem;
  transition: background 1s;
}

.enquiries-button:hover {
  background: var(--color-blue);
  transition-duration: .5s;
}

.enquiries-caption {
  margin: 0;
  font-size: .75rem;
}

.footer-icons {
  margin: 0;
  padding: 0;
  display: flex;
  gap: .75rem;
  list-style: none;
}

.footer-icons-button {
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-blue);
  color: var(--color-white);
  font-size: 1rem;
  width: 2rem;
  height: 2rem;
  border-radius: 1rem;
  transition: background 1s;
}

.footer-icons-button:hover {
  background: var(--color-sky);
  transition-duration: .25s;
}

.artwork {
  position: relative;
}

.artwork-icons-img {
  display: block;
  margin: 0 4vw -3rem auto;
  width: 87.5vw;
}

.artwork-graphic {
  position: relative;
  height: 61.538vw;
  overflow: hidden;
}

.artwork-graphic-img {
  display: block;
  position: absolute;
  left: 0;
  top: 0;
  width: 123.077vw;
  height: 123.077vw;
  animation: swirl 30s ease-in-out infinite;
}

.artwork-image-img {
  display: block;
  position: absolute;
  right: 0;
  bottom: 0;
  width: 102vw;
}

@keyframes swirl { 
  100% { transform: rotate(360deg); } 
}

@media (orientation: landscape) {

  #landing {
    display: block;
  }

  .content {
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    max-width: 50vw;
    min-height: 100vh;
  }

  .artwork {
    position: fixed;
    top: 0;
    bottom: 0;
    right: 0;
  }

  .artwork-graphic {
    position: absolute;
    right: 0;
    bottom: 0;
    width: 50vw;
    height: 30.769vw;
  }
  
  .artwork-graphic-img {
    width: 61.538vw;
    height: 61.538vw;
  }
  
  .artwork-image-img {
    width: 51vw;
  }

}

@media (min-width: 768px) {

  .content {
    padding: 4rem 3rem;
  }

  .header-logo-img {
    height: 2rem;
  }
  
  .header-tagline {
    margin: 2.5rem 0 1.5rem 0;
    font-size: 2.5rem;
  }
  
  .header-copy {
    font-size: 1.75rem;
  }
  
  .enquiries-copy {
    font-size: 1.5rem;
  }
  
  .enquiries-button {
    margin: .75rem 0 1.5rem 0;
    padding: 1rem 1.5rem;
    font-size: 1.5rem;
    border-radius: .5rem;
  }

  .enquiries-caption {
    font-size: 1rem;
  }
  
  .footer-icons-button {
    font-size: 1.5rem;
    width: 3rem;
    height: 3rem;
    border-radius: 1.5rem;
  }

}

@media (orientation: landscape) {

  .artwork-icons {
    position: absolute;
    right: 0;
    bottom: 30.769vw;
  }

  .artwork-icons-img {
    margin: 0 2vw -2rem auto;
    width: 43.75vw;
  }

}

@media (min-width: 1366px) {

  .content {
    padding: 7.5rem 5rem;
    max-width: 900px;
  }
  
  .header-tagline {
    font-size: 4rem;
    line-height: 1;
  }
  
  .header-copy {
    font-size: 2rem;
  }

  .artwork-icons {
    position: absolute;
    right: 0;
    bottom: 50vh;
  }

  .artwork-icons-img {
    margin: 0 3vh -9vh auto;
    width: 71.094vh;
  }

  .artwork-graphic {
    width: 81.25vh;
    height: 50vh;
  }
  
  .artwork-graphic-img {
    width: 100vh;
    height: 100vh;
  }
  
  .artwork-image-img {
    width: 83vh;
  }

}

@media (min-width: 1920px) {

  .artwork-icons {
    bottom: 66.667vh;
  }

  .artwork-icons-img {
    margin: 0 6vh -12vh auto;
    width: 94.791vh;
  }

  .artwork-graphic {
    width: 108.333vh;
    height: 66.667vh;
  }
  
  .artwork-graphic-img {
    width: 133.333vh;
    height: 133.333vh;
  }
  
  .artwork-image-img {
    width: 110vh;
  }

}