html {
  background-color: #f4f4f4;
  font-size: 16px;
}

body {
  font-weight: 300;
  font-family: 'Roboto', sans-serif;
}

h1 {
  display: flex;
  justify-content: center;
  font-size: 2.5rem;
  font-weight: 500;
}

h2 {
  display: flex;
  justify-content: center;
  text-align: center;
  font-weight: 400;
  padding-left: 2rem;
  padding-right: 2rem;
}

p {
  font-size: 1.2rem;
  justify-content: center;
  text-align: center;
}

.spacer {
  flex-grow: 1;
}

.flipped-gif {
  transform: scaleX(-1);
}

:root {
  --iphone-frame-width: 15.9375rem;
  --iphone-frame-height: 34.5625rem;
  --iphone-frame-padding: 0.625rem;
  --iphone-frame-border-radius: 3rem;
  --iphone-screen-border-radius: 2.375rem;
}

.speaker-gif {
  width: 6.25rem;
  height: 6.25rem;
}

.iphone-frame {
  width: var(--iphone-frame-width);
  height: var(--iphone-frame-height);
  background: #111;
  border-radius: var(--iphone-frame-border-radius);
  padding: var(--iphone-frame-padding);
  box-shadow: 0 0 1.25rem rgba(0,0,0,0.5);
  display: flex;
  justify-content: center;
  align-items: center;
  margin: 1rem auto;
}

.iphone-screen {
  width: 100%;
  height: 100%;
  background: black;
  border-radius: var(--iphone-screen-border-radius);
  overflow: hidden;
}

.iphone-screen video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.iphone-frame.small {
  --iphone-frame-width: calc(15.9375rem * 0.75);
  --iphone-frame-height: calc(34.5625rem * 0.75);
  --iphone-frame-padding: calc(0.625rem * 0.75);
  --iphone-frame-border-radius: calc(3rem * 0.75);
}

.iphone-screen.small {
  --iphone-screen-border-radius: calc(2.375rem * 0.75);
}

.watch-frame {
  width: 10.5rem;
  height: 12.5rem;
  background: #c8c8c8;
  border-radius: 2.8rem;
  padding: 0.4rem;
  box-shadow: 0 0 1rem rgba(132, 132, 132, 0.5);
  align-items: center;
  display: flex;
  justify-content: center;
  margin: 0.6rem auto;
}

.watch-screen {
  width: 100%;
  height: 100%;
  border-radius: 2.6rem;
  overflow: hidden;
}

.watch-screen video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.watch-col {
  display: flex;
  flex-direction: column;
}

.watch-spacer {
  height: 3.6rem;
}

.watch-crown {
  width: 0.625rem;
  height: 2.1875rem;
  background-color: #777777;
  border-radius: 0.1875rem;
  box-shadow: 0.0625rem 0rem 0.1875rem rgba(0,0,0,0.2);
}

.watch-crown-rotate-arrow {
  width: 2.1875rem;
  height: 2.1875rem;
}

.watch-crown-rotate-arrow-spacer {
  width: 2.1875rem;
  height: 3.6rem;
}

#main-iphone {
  margin-top: 2rem;
}

#voice-section {
  display: flex;
  margin-top: 6rem;
}

#voice-section-title {
  max-width: 30rem;
  margin-top: 4rem;
  display: flex;
  flex-direction: column;
}

#voice-section-title-text {
  margin-top: 6rem;
  margin-right: 4rem;
}

#voice-demonstration {
  display: flex;
}

#voice-section-inner {
  display: flex;
  flex-direction: column;
}

#voice-section-loudspeakers {
  display: flex;
}

#voice-section-main {
  display: flex;
}

#voice-section-col {
  display: flex;
  flex-direction: column;
}

#workout-list-container {
  justify-content: center;
  align-items: center;
  font-size: 1.2em;
  margin-left: 0.4rem;
}

#workout-list-container-title {
  font-weight: 500;
  padding-bottom: 0.4em;
}

.list-item {
    color: black;
    font-weight: 400
}

.list-item::before {
  white-space: pre;
}

.list-item.active {
    color: green;
}

.list-item.active::before {
    content: "> ";
}

.list-item.inactive::before {
    content: "   ";
}

#voice-iphone {
  margin-left: 3rem;
}

#watch-section {
  margin-top: 2rem;
  display: flex;
  flex-direction: row-reverse;
}

.spacer.watch-section {
  min-width: 8rem;
}

#watch-section-title {
  margin-top: 3rem;
}

#watch-structure {
  display: flex;
  margin-right: 2rem;
}

.feature-title {
  margin-top: 3rem;
}

.feature-section {
  display: flex;
}

.feature-spacer {
  flex-grow: 1;
  min-width: 0.6rem
}

.feature-item {
  font-size: 1.2rem;
  font-weight: 400;
  margin: 0.4rem;
}

#call-to-action-section {
  padding-top: 3rem;
  padding-bottom: 5rem;
}

#download-section {
  display: flex;
  padding-bottom: 3rem;
}

#download-link {
  display: flex;
  flex-direction: column;
}

#app-store-icon-structure {
  display: flex;
  margin: 1rem;
}

#app-store-icon {
  width: 6rem;
  height: 6rem;
  border-radius: 1.3rem;
}

#lifetime-disclaimer-section {
  display: flex;
  margin: auto 1rem;
}

@media (max-width: 599px) {
  h1 {
      font-size: 2rem;
  }

  .speaker-gif {
    width: 4.5rem;
    height: 4.5rem;
  }

  .iphone-frame.small {
    --iphone-frame-width: calc(15.9375rem * 0.5);
    --iphone-frame-height: calc(34.5625rem * 0.5);
    --iphone-frame-padding: calc(0.625rem * 0.5);
    --iphone-frame-border-radius: calc(3rem * 0.5);
  }
  
  .iphone-screen.small {
    --iphone-screen-border-radius: calc(2.375rem * 0.5);
  }

  #watch-section {
    flex-direction: column;
    max-width: none;
    margin-top: 0rem;
  }

  .spacer.watch-section {
    flex-grow: 0;
    min-width: 0rem;
  }

  #watch-structure {
    margin-right: 0rem;
  }

  #voice-iphone {
    margin-left: 1rem;
  }
}

@media (max-width: 1000px) {
  #voice-section {
    flex-direction: column;
    max-width: none;
    margin-top: 0rem;
  }

  .spacer.voice-section {
    flex-grow: 0;
  }

  #voice-section-title-text {
    margin-top: 3rem;
    margin-right: 0rem;
  }

  .spapcer.voice-section-title {
    flex-grow: 0;
  }

  #voice-section-title {
    max-width: none;
    margin-top: 0rem;
  }

  .voice-section-title-spacer {
    flex-grow: 0;
  }
}