:root {
  --color-brand:  rgb(157, 0, 255);
  --color-text:   rgb(0, 0, 0);

  --color-button: rgba(207, 129, 255, 1);
  
  --width-gap:           10px;
  --width-stripe:        56px;
  --width-content-max:  664px;

  --margin-4x:           90px;
  --margin-1x:           34px;
  --margin-1x-solid:     42px;
  --margin-unit-actual:  50px;

  --time-fixed-header:  500ms;
  --timing-fixed-header: ease;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

html,
body {
  height: 100%;
  margin: 0;
  padding: 0;
}

body {
  background: white;
  color: var(--color-text);
  font-family: "DM Sans", "Helvetica Neue", Helvetica, Arial, sans-serif;
  font-size: 110%;
  line-height: 1.5;
  -webkit-text-size-adjust: 100%;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

img {
  max-width: 100%;
  height: auto;
}

a {
  color: var(--color-brand);
  text-decoration: none;
}
a:hover {
  text-decoration: underline;
}

button {
  padding: 0;
  border: 0;
  background: transparent;
}

h2, h3, p {
  max-width: var(--width-content-max);
  margin: 0 auto;
}

h2, h3 {
  margin-top: var(--margin-4x);
  margin-bottom: var(--margin-1x);
  color: var(--color-brand);
  font-size: 3em;
  line-height: 1;
}

h2.half-margin {
  margin-top: calc(2 * var(--margin-1x-solid));
}

h3 {
  position: relative;
  margin-top: var(--margin-1x);
  margin-bottom: 0.1em;
  padding-left: calc(1.8 * 1.1rem);
  font-size: 1.8em;
}

h3:first-of-type {
  margin-top: 70px;
}

h3::before {
  position: absolute;
  left: -5px;
  content: '–';
}

h3 ~ p {
  padding-left: calc(1.8 * 1.1rem);
}


p + p {
  margin-top: 1em;
}

p.introduction {
  margin-top: var(--margin-1x-solid);
  margin-bottom: calc(var(--margin-unit-actual) + var(--margin-1x-solid));
}

.legal {
  margin-top: calc(var(--margin-4x) - 6px);
  margin-bottom: var(--margin-unit-actual);
}


/*
 * Fixed header for language menu
 */

#fixed-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 999;
  height: calc(38px + 12px);
  padding: 0 var(--width-gap);
  display: flex;
  align-items: center;
  transition: background-color var(--time-fixed-header) var(--timing-fixed-header);
}
#fixed-header.on {
  background: var(--color-brand);
}

#fixed-logo {
  height: 28px;
  width: auto;
  vertical-align: bottom;
  filter: brightness(0) saturate(100%) invert(100%);
  opacity: 0;
  visibility: hidden;
  transition: opacity, visibility;
  transition-duration: var(--time-fixed-header);
  transition-timing-function: var(--timing-fixed-header);
}
.on #fixed-logo {
  opacity: 1;
  visibility: visible;
}

#language-nav {
  position: absolute;
  top: 6px;
  right: var(--width-gap);
}
#language-nav ul {
  height: 38px;
  width: 38px;
  margin: 0;
  padding: 0;
  clip-path: border-box;
  overflow-y: hidden;

  border: 1px solid var(--color-brand);
  border-radius: 10px;
  transition: height, clip-path;
  transition-duration: 300ms;
  list-style: none;
}
#language-nav:focus-within ul,
#language-nav ul.touchopen {
  height: 146px;
  overflow-y: visible;
}

#language-nav li {
  display: block;
  width: 36px;
  height: 36px;
}
#language-nav a {
  display: flex;
  width: 36px;
  height: 36px;
  justify-content: center;
  align-items: center;
  border: 1px solid transparent;
  transition: color, background-color, border-color;
  transition-duration: 400ms;
}
#language-nav li:first-child a {
  border-radius: 8px 8px 0 0;
}
#language-nav li:last-child a {
  border-radius: 0 0 8px 8px;
}
#language-nav a:hover,
#language-nav a:active,
#language-nav a:focus {
  color: white;
  background-color: var(--color-brand);
  text-decoration: none;
}

.on #language-nav ul {
  border: 1px solid white;
  background: var(--color-brand);
}
.on #language-nav a {
  color: white;
}
.on #language-nav a:hover,
.on #language-nav a:active,
.on #language-nav a:focus {
  color: var(--color-brand);
  background-color: white;
}

.on #language-nav li:last-child a:hover,
.on #language-nav li:last-child a:active,
.on #language-nav li:last-child a:focus  {
  border-color: var(--color-brand);
}

@media (hover: hover) and (pointer: fine) {
  #language-nav ul:hover {
    height: 146px;
    overflow-y: visible;
  }
}


/**
 * Site Header
 */
header {
  min-height: 100%;
  display: flex;
  align-items: stretch;
  justify-content: flex-start;
  flex-direction: column;
}

#claim {  
  padding: calc(var(--width-gap) / 2) var(--width-gap);
  color: var(--color-brand);
  font-size: clamp(34px, 1vw, 2em);
  line-height: 0.9;
}

#logo-band {
  padding: 0 var(--width-gap);
  display: flex;
  flex: 1;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  
  background: transparent;
}

#logo {
  width: 100%;
  max-width: 400px;
  height: auto;
  transform: translateY(0);
  opacity: 1;
  transition: opacity, transform;
  transition-duration: var(--time-fixed-header);
  transition-timing-function: var(--timing-fixed-header);
}
#logo.off {
  transform: translateY(-20px);
  opacity: 0;
}

#scroll-cta {
  transform: rotate(180deg);
  display: flex;
  flex-wrap: nowrap;
  align-items: center;
  color: var(--color-brand);
  
  writing-mode: vertical-lr;
  font-size: 1.5em;
}

#scroll-cta img {
  padding: 12px 0 8px;
  transform: rotate(180deg);
}

#scroll-cta span {
  position: relative;
  left: 0.1em;
  white-space: nowrap;
}

@media screen and (min-width: 420px) and (min-height: 680px) {
  #fixed-header {
    padding: 0 clamp(var(--width-gap), 2vw, 4em);
  }

  #language-nav {
    top: clamp(var(--width-gap), 1.5vw, 4em);
    right: clamp(var(--width-gap), 2vw, 4em);
    transition: top var(--time-fixed-header) var(--timing-fixed-header);
  }
  
  .on #language-nav {
    top: 6px;
  }

  #claim {
    padding: 0;
    position: absolute;
    top: clamp(var(--width-gap), 1.5vw, 4em);
    left: clamp(var(--width-gap), 2vw, 4em);
  }

  #logo {
    max-width: 506px;
  }
  
  #scroll-cta {
    width: 100vw;
    position: absolute;
    bottom: 1vh;
    z-index: -1;
  }
}

@media screen and (min-width: 768px) and (min-height: 768px) {
  #logo {
    max-width: 612px;
  }
}


/**
 * Main and Footer
 */

main,
footer {
  letter-spacing: -0.01em; /* -10 in Adobe */
}

section {
  margin: 0 var(--width-gap);
}

footer {
  min-height: calc(100vh - var(--margin-1x-solid) - 50px);
  margin-top: 140px;
  padding-bottom: 1px;
  background: var(--color-brand);
  color: white;
  box-shadow: 0 calc(-1 * var(--margin-1x-solid)) var(--color-brand);
}

footer h2 {
  color: white;
}

footer a {
  color: white;
  text-decoration: underline;
}


/**
 * Image Card scroller with text
 */
.card-scroller {
  position: relative;
  margin: var(--margin-1x-solid) calc(-1 * var(--width-gap)) var(--margin-1x-solid);
}

.card-scroller ul {
  margin: 0;
  padding: 0;
  padding-left: 10px;
  padding-right: 25px;
  display: flex;
  overflow-x: scroll;
  -ms-overflow-style: none;
  scrollbar-width: none;
  list-style: none;
}

.card-scroller ul::-webkit-scrollbar {
  display: none;
}

.card-scroller li {
  margin-right: 25px;
  flex-shrink: 0;
}
.card-scroller li:last-child {
  margin-right: 0;
}

.card-scroller img {
  display: block;
  width: 200px;
  height: 250px;
  margin-bottom: var(--width-gap);
  padding: 60px var(--width-gap);
  object-fit: contain;
  border: 2px solid var(--color-brand);
  border-radius: 30px;
  box-shadow: var(--width-gap) var(--width-gap) 0 0 var(--color-brand);
}
.card-scroller.photo img {
  padding: 0;
  object-fit: cover;
}

.card-scroller .scroll-affordance {
  margin-right: 8px;
}

.card-scroller .scroll-affordance img {
  width: 32px;
  padding: 0;
  border: 0;
  box-shadow: none;
  object-fit: contain;
}

.card-scroller div {
  width: 200px;
  padding: 26px 12px 0;
}

@media screen and (min-width: 684px) {
  .card-scroller ul {
    padding-left: calc((100vw - var(--width-content-max)) / 2 - 39px);
    padding-right: calc((100vw - var(--width-content-max)) / 2);
  }
}

/**
 * Cases video slider
 */
#cases {
  position: relative;
  max-width: var(--width-content-max);
  margin: var(--margin-1x-solid) auto var(--margin-1x-solid);
}

#cases .prev,
#cases .next {
  position: absolute;
  top: 0;
  bottom: var(--margin-unit-actual);
  width: 32px;
  display: none;
  align-items: center;
  cursor: pointer;
}

#cases .prev {
  left: -40px;
}
#cases .next {
  right: -40px;
}

#cases ul {
  width: inherit;
  margin: 0 calc(-1 * var(--width-gap));
  padding: 0;
  display: flex;
  list-style: none;
  overflow-x: scroll;
  scroll-snap-type: x mandatory;
  -ms-overflow-style: none;
  scrollbar-width: none;

  background: var(--color-brand);
}
  
#cases ul::-webkit-scrollbar {
  display: none;
}

#cases li {
  width: 100%;
  aspect-ratio: 16 / 9;
  flex-shrink: 0;
  display: flex;
  background: var(--color-brand);
  scroll-snap-align: center;
}

#cases-nav {
  height: var(--margin-unit-actual);
  
  display: flex;
  align-items: center;
  justify-content: center;
}

.cases-nav-button {
  width: 18px;
  height: 18px;
  margin: 0 4px;
  padding: 0;
  border: 2px solid var(--color-brand);
  border-radius: 50%;
  background: white;
  box-shadow: inset 0 0 0 2px white;
  cursor: pointer;
  transition: 300ms all;
}
.cases-nav-button.current {
  box-shadow: inset 0 0 0 2px white, inset 0 0 0 9px var(--color-button);
}
.cases-nav-button:active {
  box-shadow: inset 0 0 0 3px var(--color-button);
}

video {
  max-width: 100%;
  aspect-ratio: 16 / 9;
  cursor: pointer;
}


@media screen and (min-width: 768px) {
  #cases ul {
    margin-left: 0;
    margin-right: 0;
  }

  #cases .prev,
  #cases .next {
    display: flex;
  }
}


@media (prefers-reduced-motion: reduce) {
  #cases ul {
    scroll-behavior: auto !important;
  }

  * {
    transition: none !important;
  }
}