@property --glow-deg {
  syntax: "<angle>";  
  inherits: true;
  initial-value: 0deg;
}

@font-face {
  font-display: swap;
  font-family: 'Noto IKEA';
  font-style: italic;
  font-weight: 400;
  src: url(noto-ikea-400i.latin-ext.5f8f91ea.woff2) format("woff2");
  unicode-range:u + 0100-024f, u + 0259, u + 1e??, u + 2020, u + 20a0-20ab, u + 20ad-20cf, u + 2113, u + 2c60-2c7f, u + a720-a7ff
}

@font-face {
  font-display: swap;
  font-family: 'Noto IKEA';
  font-style: italic;
  font-weight: 400;
  src: url(noto-ikea-400i.latin.10395910.woff2) format("woff2");
  unicode-range:u + 00??, u + 0131, u + 0152-0153, u + 02bb-02bc, u + 02c6, u + 02da, u + 02dc, u + 2000-206f, u + 2074, u + 20ac, u + 2122, u + 2191, u + 2193, u + 2212, u + 2215, u + feff, u + fffd
}

@font-face {
  font-display: swap;
  font-family: 'Noto IKEA';
  font-style: italic;
  font-weight: 700;
  src: url(noto-ikea-700i.latin-ext.3637155a.woff2) format("woff2");
  unicode-range:u + 0100-024f, u + 0259, u + 1e??, u + 2020, u + 20a0-20ab, u + 20ad-20cf, u + 2113, u + 2c60-2c7f, u + a720-a7ff
}

@font-face {
  font-display: swap;
  font-family: 'Noto IKEA';
  font-style: italic;
  font-weight: 700;
  src: url(noto-ikea-700i.latin.29eb18bb.woff2) format("woff2");
  unicode-range:u + 00??, u + 0131, u + 0152-0153, u + 02bb-02bc, u + 02c6, u + 02da, u + 02dc, u + 2000-206f, u + 2074, u + 20ac, u + 2122, u + 2191, u + 2193, u + 2212, u + 2215, u + feff, u + fffd
}

@font-face {
  font-display: swap;
  font-family: 'Noto IKEA';
  font-style: normal;
  font-weight: 400;
  src: url(noto-ikea-400.latin-ext.edd421f4.woff2) format("woff2");
  unicode-range:u + 0100-024f, u + 0259, u + 1e??, u + 2020, u + 20a0-20ab, u + 20ad-20cf, u + 2113, u + 2c60-2c7f, u + a720-a7ff
}

@font-face {
  font-display: swap;
  font-family: 'Noto IKEA';
  font-style: normal;
  font-weight: 400;
  src: url(noto-ikea-400.latin.647e877d.woff2) format("woff2");
  unicode-range:u + 00??, u + 0131, u + 0152-0153, u + 02bb-02bc, u + 02c6, u + 02da, u + 02dc, u + 2000-206f, u + 2074, u + 20ac, u + 2122, u + 2191, u + 2193, u + 2212, u + 2215, u + feff, u + fffd
}

@font-face {
  font-display: swap;
  font-family: 'Noto IKEA';
  font-style: normal;
  font-weight: 700;
  src: url(noto-ikea-700.latin-ext.97f0d455.woff2) format("woff2");
  unicode-range:u + 0100-024f, u + 0259, u + 1e??, u + 2020, u + 20a0-20ab, u + 20ad-20cf, u + 2113, u + 2c60-2c7f, u + a720-a7ff
}

@font-face {
  font-display: swap;
  font-family: 'Noto IKEA';
  font-style: normal;
  font-weight: 700;
  src: url(noto-ikea-700.latin.d7277c39.woff2) format("woff2");
  unicode-range:u + 00??, u + 0131, u + 0152-0153, u + 02bb-02bc, u + 02c6, u + 02da, u + 02dc, u + 2000-206f, u + 2074, u + 20ac, u + 2122, u + 2191, u + 2193, u + 2212, u + 2215, u + feff, u + fffd
}

:root {
  --clr-white: #fff;
  --clr-black: #000;

  --clr-green: #3FB83E;
  --clr-blue: #4297FF;
  --clr-sand: #F1EBDD;
  --clr-sand-light: #F7F3EB;

  --ff-ikea: "Noto IKEA", "Noto Sans", system-ui, sans-serif;

  --fs-s: 0.75rem;
  --fs-m: 0.875rem;
  --fs-base: 1rem;
  --fs-lg: 1.125rem;
  --fs-xl: 2rem;
  --fs-2xl: 3rem;
  --fs-3xl: 4rem;

  --td-s: 400 0.75rem/1.3 var(--ff-ikea);
  --td-base: 400 1rem/1.4 var(--ff-ikea);
  --td-lg: 400 1.125rem/1.4 var(--ff-ikea);
  --td-xl: 700 2rem/1.2 var(--ff-ikea);
  --td-2xl: 700 3rem/1.2 var(--ff-ikea);
  --td-3xl: 700 4rem/1.2 var(--ff-ikea);

  --ease-out: cubic-bezier(0.22, 0.61, 0.36, 1);
  --ease-in: cubic-bezier(0.55, 0, 0.68, 0.53);
  --dur-fast: 400ms;
  --dur-base: 600ms;
  --dur-slow: 900ms;

  font: 16px/1.4 var(--ff-ikea);
}

.turbo-progress-bar {
  height: 3px;
  background-color: #0058a3;
}

turbo-frame#game {
  display: contents;
}

body {
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 0;
  min-height: 100vh; 
  min-height: 100svh;  
  -webkit-font-smoothing: antialiased;
  touch-action: manipulation;  

  background-color: var(--clr-white);

  &:has(.results) {
    background-color: var(--clr-sand-light);
  }
}

button {
  cursor: pointer;
}

ul[class] {
  margin: 0;
  padding: 0;
  list-style: none;
}

form {
  margin: 0;
}

header {
  background-color: var(--clr-white);
  position: fixed;
  inset: 1rem 1rem auto 1rem;
  padding: 0.875rem 1rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  box-shadow: 0px 2px 2px 0px #0000000A;
  z-index: 100;

  > a {
    flex-grow: 1;
    max-width: 12.6875rem;
  }
}

.language-button {
  display: flex;
  justify-content: center;
  align-items: center;
  aspect-ratio: 1;
  background-color: var(--clr-sand);
  border: none;
  border-radius: 50%;
  width: 2.25rem;
  cursor: pointer;

  svg {
    display: none;

    &:nth-child(1) {
      display: block;          
    }
  }

  &[aria-expanded="true"] {
    svg:nth-child(1) {
      display: none;
    }
    svg:nth-child(2) {
      display: block;    
    }
  }
}

#language-menu {
  position: absolute;
  inset: 0 0 auto 0;
  z-index: 90;
  background-color: var(--clr-sand);
  padding: calc(1rem + 4rem + 2rem) 1rem 1rem 1rem;

  & .language-button {
    display: none;
  }

  & h2 {
    font: var(--td-xl);
    font-weight: 400;
    margin: 0 0 1rem 0;

    strong {
      display: block;
    }
  }

  & ul {
    font: var(--td-base);
    border-top: 1px solid var(--clr-black);
  }

  & li {
    border-bottom: 1px solid var(--clr-black);
    padding: 0.75rem 0;
    position: relative;
    min-height: 3.5rem;    
  }

  & a {
    text-decoration: none;
    color: var(--clr-black);
    display: flex;    
    align-items: center;
    min-height: 2rem;

    &.current {
      font-weight: 700;
    }

    &::after {
      content: "";
      position: absolute;
      right: 0;
      width: 2rem;
      aspect-ratio: 1;
      border-radius: 50%;
      background-color: var(--clr-green);
      background-image: url("ico-arrow-right.svg");
      background-repeat: no-repeat;
      background-position: 50% 50%;
    }
  }
}

main, .modal-panel {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  min-height: 100svh;

  & article {
    flex: 0 0 auto;
    background-color: var(--clr-bg);
    flex-shrink: 0;
    text-align: center;
    padding: 1.5rem 1.5rem 1rem 1.5rem;

    & p {
      max-width: 32ch;
      margin: 0 auto 1.5rem auto;
    }

    & .cta + * {
      margin-top: 0.75rem;
    }
  }

  & h1, h2 {
    font: var(--td-xl);
    font-weight: 400;    
    margin: 0 auto 0.5rem auto;    
  }
}

.start {
  --clr-bg: var(--clr-white);
  --clr-action: var(--clr-green);
}

@keyframes fade-in {
  from { opacity: 0; }
  to   { opacity: 1; }
}

@keyframes header-drop-in {
  from {
    transform: translateY(calc(-100% - 1rem));
    opacity: 0;
  }
  to {
    transform: translateY(0);
    opacity: 1;
  }
}

@keyframes wave-slide-in {
  from { translate: 100% 0; }
  to   { translate: 0 0; }
}

@keyframes wave-slide-out {
  from { transform: translateX(0); }
  to   { transform: translateX(-100vw); }
}

@keyframes screen-slide-in {
  from { transform: translateX(100%); }
  to   { transform: translateX(0); }
}

@keyframes screen-slide-up {
  from { transform: translateY(100dvh); }
  to   { transform: translateY(0); }
}

@keyframes answers-sink {
  from { opacity: 1; transform: translateY(0); }
  to   { opacity: 0; transform: translateY(1.5rem); }
}

@keyframes answers-rise {
  from { opacity: 0; transform: translateY(1.5rem); }
  to   { opacity: 1; transform: translateY(0); }
}

@keyframes answers-slide-up {
  from { transform: translateY(100%); }
  to   { transform: translateY(0); }
}

@keyframes indicator-blink {
  from { background-color: var(--clr-green); }
  to   { background-color: var(--clr-white); }
}

@keyframes hero-rise {
  from { opacity: 0; transform: translateY(1.5rem); }
  to   { opacity: 1; transform: translateY(0); }
}

@keyframes wave-rise-in {
  from { translate: 0 200px; }
  to   { translate: 0 0; }
}

@keyframes hero-detail-slide-in {
  from { transform: translateX(100vw); }
  to   { transform: translateX(0); }
}

@keyframes hero-wave-slide-in {
  from { transform: translateY(100vw); }
  to   { transform: translateY(0); }
}

@keyframes screen-push-left {
  from { transform: translateX(0); }
  to   { transform: translateX(-100vw); }
}

@media (max-width: 1023.98px) and (prefers-reduced-motion: no-preference) {
  .start .hero-container {
    overflow: clip;
  }

  .start .hero-container img,
  .start > article {
    animation: fade-in var(--dur-slow) var(--ease-out) both;
  }

  body:has(.start) header {
    animation: header-drop-in var(--dur-base) var(--ease-out) 200ms both;
  }

  .start .hero-container svg.ico-wave {
    animation: wave-slide-in var(--dur-base) var(--ease-out) calc(var(--dur-slow) * 0.4) both;
  }

  .start > article {
    transition: transform var(--dur-base) var(--ease-in),
                margin-block-end var(--dur-base) var(--ease-in);
  }

  .start.is-exiting {
    overflow: clip;
  }

  .start.is-exiting > article {
    transform: translateY(100%);
    margin-block-end: calc(var(--exit-shift, 0px) * -1);
  }

  .start.is-exiting .hero-container svg.ico-wave {
    animation: wave-slide-out var(--dur-fast) var(--ease-in) var(--dur-base) both;
  }

  .facts-modal {
    transition: translate var(--dur-base) var(--ease-in);
  }

  .facts-modal::backdrop {
    transition: background-color var(--dur-base) var(--ease-in);
  }

  .facts-modal.is-leaving {
    translate: 0 100%;
  }

  .facts-modal.is-leaving::backdrop {
    background-color: rgba(0, 0, 0, 0);
  }

  .facts-modal .carousel > li {
    overflow: clip;
  }

  .facts-modal .carousel-frame > svg.ico-wave {
    animation: wave-slide-in var(--dur-base) var(--ease-out) both;
    transition: bottom var(--dur-base) var(--ease-out);
  }

  .facts-modal .is-entering {
    max-height: 100%;
    overflow: clip;
  }

  .facts-modal .is-entering .carousel-frame,
  .facts-modal .is-entering .carousel,
  .facts-modal .is-entering .carousel > li > .hero-container {
    flex: 0 0 auto;
    transition: height var(--dur-base) var(--ease-out);
  }

  html:is([data-screen-transition="slide-left"], [data-screen-transition="slide-up"]) main {
    view-transition-name: game;
  }

  html:is([data-screen-transition="slide-left"], [data-screen-transition="slide-up"])::view-transition-old(root),
  html:is([data-screen-transition="slide-left"], [data-screen-transition="slide-up"])::view-transition-new(root),
  html:is([data-screen-transition="slide-left"], [data-screen-transition="slide-up"])::view-transition-old(game),
  html:is([data-screen-transition="slide-left"], [data-screen-transition="slide-up"])::view-transition-new(game) {
    mix-blend-mode: normal;
  }

  html:is([data-screen-transition="slide-left"], [data-screen-transition="slide-up"])::view-transition-old(root),
  html:is([data-screen-transition="slide-left"], [data-screen-transition="slide-up"])::view-transition-new(root),
  html:is([data-screen-transition="slide-left"], [data-screen-transition="slide-up"])::view-transition-old(game) {
    animation: none;
  }

  html[data-screen-transition="slide-left"]::view-transition-new(game) {
    animation: screen-slide-in var(--dur-base) var(--ease-out) both;
  }

  html[data-screen-transition="slide-up"]::view-transition-new(game) {
    animation: screen-slide-up var(--dur-base) var(--ease-out) both;
  }

  html[data-screen-transition="slide-up"] main.results {
    background-color: var(--clr-sand-light);
  }

  html[data-screen-transition="slide-up"] .results-tagline svg.ico-wave {
    opacity: 0;
  }

  .results.is-settling .results-tagline {
    overflow: clip;
  }

  .results.is-settling .results-tagline svg.ico-wave {
    animation: wave-slide-in var(--dur-fast) var(--ease-out) both;
  }

  html[data-screen-transition="answer"] .hero-container {
    view-transition-name: hero;
  }

  html[data-screen-transition="answer"] .answers-container {
    view-transition-name: answers;
  }

  html[data-screen-transition="answer"]::view-transition-group(hero),
  html[data-screen-transition="answer"]::view-transition-group(answers),
  html[data-screen-transition="answer"]::view-transition-old(hero),
  html[data-screen-transition="answer"]::view-transition-new(hero) {
    animation-duration: var(--dur-base);
    animation-timing-function: var(--ease-out);
  }

  html[data-screen-transition="answer"]::view-transition-old(answers),
  html[data-screen-transition="answer"]::view-transition-new(answers) {
    mix-blend-mode: normal;
  }

  html[data-screen-transition="answer"]::view-transition-old(answers) {
    animation: answers-sink calc(var(--dur-base) * 0.6) var(--ease-in) both;
  }

  html[data-screen-transition="answer"]::view-transition-new(answers) {
    animation: answers-rise calc(var(--dur-base) * 0.6) var(--ease-out)
               calc(var(--dur-base) * 0.4) both;
  }

  .good_answer > .answers-container,
  .bad_answer > .answers-container {
    transition: transform var(--dur-base) var(--ease-in),
                margin-block-end var(--dur-base) var(--ease-in);
  }

  .good_answer > .stage-header-container,
  .bad_answer > .stage-header-container {
    transition: margin-block-start var(--dur-base) var(--ease-in);
  }

  .good_answer.is-finishing > .stage-header-container,
  .bad_answer.is-finishing > .stage-header-container {
    margin-block-start: calc(var(--header-shift, 0px) * -1);
  }

  .good_answer.is-exiting .stage-progress li.done + li:not(.done),
  .bad_answer.is-exiting .stage-progress li.done + li:not(.done) {
    animation: indicator-blink calc(var(--dur-base) * 2) steps(2, jump-none) infinite;
  }

  .good_answer .hero-container article,
  .bad_answer .hero-container article,
  .good_answer .hero-container video,
  .bad_answer .hero-container video {
    transition: opacity var(--dur-base) var(--ease-out);
  }

  .good_answer.is-exiting,
  .bad_answer.is-exiting {
    overflow: clip;
  }

  .good_answer.is-exiting > .answers-container,
  .bad_answer.is-exiting > .answers-container {
    transform: translateY(100%);
    margin-block-end: calc(var(--exit-shift, 0px) * -1);
  }

  .good_answer.is-exiting .hero-container article,
  .bad_answer.is-exiting .hero-container article {
    opacity: 0;
  }

  .good_answer.is-exiting .hero-container video,
  .bad_answer.is-exiting .hero-container video {
    opacity: 1;
  }

  .good_answer.is-exiting .hero-container svg.ico-wave,
  .bad_answer.is-exiting .hero-container svg.ico-wave {
    animation: wave-slide-out var(--dur-fast) var(--ease-in) both;
  }

  html[data-screen-transition="stage-in"] .stage-header-container {
    view-transition-name: stage-header;
  }

  html[data-screen-transition="last-save-in"] .last_save > .stage-header-container {
    view-transition-name: stage-header;
  }

  html:is([data-screen-transition="stage-in"], [data-screen-transition="last-save-in"]) .hero-container {
    view-transition-name: hero;
  }

  html:is([data-screen-transition="stage-in"], [data-screen-transition="last-save-in"]) :is(.stage, .last_save) > .answers-container {
    view-transition-name: answers;
  }

  html:is([data-screen-transition="slide-left"], [data-screen-transition="stage-in"], [data-screen-transition="last-save-in"]) :is(.stage, .last_save) .hero-container svg.ico-wave {
    opacity: 0;
  }

  :is(.stage, .last_save).is-settling .hero-container {
    overflow: clip;
  }

  :is(.stage, .last_save).is-settling .hero-container svg.ico-wave {
    animation: wave-slide-in var(--dur-fast) var(--ease-out) both;
  }

  html[data-screen-transition="stage-in"]::view-transition-group(stage-header),
  html[data-screen-transition="stage-in"]::view-transition-group(hero),
  html[data-screen-transition="last-save-in"]::view-transition-group(hero),
  html[data-screen-transition="stage-in"]::view-transition-old(stage-header),
  html[data-screen-transition="stage-in"]::view-transition-new(stage-header) {
    animation-duration: var(--dur-base);
    animation-timing-function: var(--ease-out);
  }

  html[data-screen-transition="last-save-in"]::view-transition-new(stage-header) {
    animation: header-drop-in var(--dur-base) var(--ease-out) calc(var(--dur-base) * 0.3) both;
    mix-blend-mode: normal;
  }

  html:is([data-screen-transition="stage-in"], [data-screen-transition="last-save-in"])::view-transition-old(hero) {
    height: 100%;
    object-fit: cover;
    object-position: top;
    animation: none;
  }

  html:is([data-screen-transition="stage-in"], [data-screen-transition="last-save-in"])::view-transition-new(hero) {
    animation: hero-rise var(--dur-base) var(--ease-out) both;
  }

  html:is([data-screen-transition="stage-in"], [data-screen-transition="last-save-in"])::view-transition-new(answers) {
    animation: answers-slide-up var(--dur-base) var(--ease-out) both;
    mix-blend-mode: normal;
  }

}

@media (min-width: 1024px) and (prefers-reduced-motion: no-preference) {
  body:has(.start) header {
    animation: header-drop-in var(--dur-base) var(--ease-out) 100ms both;
  }

  .start > article {
    animation: fade-in var(--dur-slow) var(--ease-out) 250ms both;
  }

  .start .hero-container {
    animation: fade-in var(--dur-slow) var(--ease-out) both;
  }

  .start .hero-container svg.ico-wave {
    animation: wave-rise-in var(--dur-slow) var(--ease-out) both;
  }

  .facts-modal[open] {
    translate: 0 0;
    transition: translate var(--dur-base) var(--ease-out);
  }

  @starting-style {
    .facts-modal[open] {
      translate: 0 100dvh;
    }
  }

  .facts-modal[open]::backdrop {
    opacity: 1;
    transition: opacity var(--dur-base) var(--ease-out);
  }

  @starting-style {
    .facts-modal[open]::backdrop {
      opacity: 0;
    }
  }

  .facts-modal[open].is-leaving {
    translate: 0 -100dvh;
    transition-timing-function: var(--ease-in);
    pointer-events: none;
  }

  .facts-modal[open].is-leaving::backdrop {
    opacity: 0;
  }

  html:is([data-screen-transition="stage-in-wide"], [data-screen-transition="results-in-wide"]) main {
    view-transition-name: game;
  }

  html:is([data-screen-transition="stage-in-wide"], [data-screen-transition="results-in-wide"])::view-transition-old(root),
  html:is([data-screen-transition="stage-in-wide"], [data-screen-transition="results-in-wide"])::view-transition-new(root),
  html:is([data-screen-transition="stage-in-wide"], [data-screen-transition="results-in-wide"])::view-transition-old(game),
  html:is([data-screen-transition="stage-in-wide"], [data-screen-transition="results-in-wide"])::view-transition-new(game) {
    mix-blend-mode: normal;
  }

  html:is([data-screen-transition="stage-in-wide"], [data-screen-transition="results-in-wide"])::view-transition-old(root),
  html:is([data-screen-transition="stage-in-wide"], [data-screen-transition="results-in-wide"])::view-transition-new(root),
  html:is([data-screen-transition="stage-in-wide"], [data-screen-transition="results-in-wide"])::view-transition-old(game) {
    animation: none;
  }

  html:is([data-screen-transition="stage-in-wide"], [data-screen-transition="results-in-wide"])::view-transition-new(game) {
    animation: screen-slide-in var(--dur-base) var(--ease-out) both;
  }

  html[data-screen-transition="stage-in-wide"] :is(.stage, .last_save) .hero-container img {
    view-transition-name: hero-image;
  }

  html[data-screen-transition="stage-in-wide"]::view-transition-new(hero-image) {
    animation: fade-in var(--dur-base) linear var(--dur-base) both;
    mix-blend-mode: normal;
  }

  html[data-screen-transition="stage-in-wide"] :is(.stage, .last_save) .hero-container svg.ico-wave {
    view-transition-name: hero-wave;
  }

  html[data-screen-transition="stage-in-wide"] :is(.stage, .last_save) .hero-container #inter-ikea-systems {
    view-transition-name: hero-logo;
  }

  html[data-screen-transition="stage-in-wide"]::view-transition-new(hero-wave),
  html[data-screen-transition="stage-in-wide"]::view-transition-new(hero-logo) {
    mix-blend-mode: normal;
  }

  html[data-screen-transition="stage-in-wide"]::view-transition-new(hero-wave) {
    animation: hero-wave-slide-in var(--dur-base) var(--ease-out) both;
  }

  html[data-screen-transition="stage-in-wide"]::view-transition-new(hero-logo) {
    animation: hero-detail-slide-in var(--dur-base) var(--ease-out) both;
  }

  html[data-screen-transition="answer-wide"]::view-transition-old(root),
  html[data-screen-transition="answer-wide"]::view-transition-new(root) {
    animation-duration: var(--dur-base);
    animation-timing-function: linear;
  }

  html[data-screen-transition="answer-wide"] .answers-container > form:nth-of-type(1) {
    view-transition-name: answer-1;
  }

  html[data-screen-transition="answer-wide"] .answers-container > form:nth-of-type(2) {
    view-transition-name: answer-2;
  }

  html[data-screen-transition="answer-wide"] .answers-container > form:nth-of-type(3) {
    view-transition-name: answer-3;
  }

  html[data-screen-transition="answer-wide"] .answers-container > form:nth-of-type(4) {
    view-transition-name: answer-4;
  }

  html[data-screen-transition="answer-wide"]::view-transition-old(answer-1),
  html[data-screen-transition="answer-wide"]::view-transition-old(answer-2),
  html[data-screen-transition="answer-wide"]::view-transition-old(answer-3),
  html[data-screen-transition="answer-wide"]::view-transition-old(answer-4) {
    animation: answers-sink calc(var(--dur-base) * 0.6) var(--ease-in) both;
    mix-blend-mode: normal;
  }

  html:has(:is(.good_answer, .bad_answer):is(.is-exiting, .is-playing)) {
    overflow: hidden;
  }

  :is(.good_answer, .bad_answer).is-exiting {
    animation: screen-push-left var(--dur-base) var(--ease-out) both;
  }

  :is(.good_answer, .bad_answer):is(.is-exiting, .is-playing) .hero-container video {
    position: absolute;
    inset: 0;
    width: 100vw;
    max-width: none;
    height: 100vh;
    opacity: 1;
    z-index: 3;
  }

  :is(.good_answer, .bad_answer).is-exiting .hero-container video {
    transform: translateX(100vw);
  }
}


.facts {
  --clr-bg: var(--clr-green);
  --clr-action: var(--clr-white);
}

.facts-modal {
  padding: 0;
  border: none;
  width: 100vw;
  max-width: 100vw;
  height: 100dvh;
  max-height: 100dvh;
  overflow-y: auto;
  background-color: var(--clr-green);
}

.facts-modal::backdrop {
  background-color: rgba(0, 0, 0, 0.5);
}

.modal-panel {
  background-color: var(--clr-bg);
}

.stage, .last_save {
  --clr-bg: var(--clr-sand-light);
  --clr-action: var(--clr-white);

  & .hero-container article {
    color: var(--clr-white);
    text-align: left;
  }
}

.question-container {
  display: none;
}

.results {
  --clr-action: var(--clr-green);
  margin-block-end: 1rem;

  .hero-container {
    display: none;
  }
}

.good_answer {  
  & .hero-container {
    background-color: var(--clr-green);      
  }  
}

.bad_answer {  
  & .hero-container {
    background-color: var(--clr-blue);
  }
}

.good_answer, 
.bad_answer {
  --clr-bg: var(--clr-sand-light);
  --clr-action: var(--clr-sand-light);

  .hero-container {    

    svg, svg.ico-wave {
      fill: var(--clr-white);
    }

    img {
      display: none;
    }

    video {
      opacity: 0;
    }
  }

  .hero-container article {
    font-size: var(--fs-xl);
    line-height: 1.2;
    text-align: left;
    font-weight: 400;

    & h2 {
      margin: 0;
      font-weight: 700;
    }
  }

  & .answers-container {
    background-color: var(--clr-white);
    font-size: var(--fs-m);
    line-height: 1.5;
    text-align: left;
    font-weight: 400;
    gap: 0;

    & div:has(.cta) {
      display: flex;
      margin-block-start: 3rem; 
    }

    & .cta {
      max-width: inherit;
      background-color: var(--clr-sand-light);
    }

    &:has(.cta.last_save) {
      font-size: var(--fs-xl);
      line-height: 1.2;
    }

    & h2 {
      font-size: var(--fs-m);
      line-height: 1.5;
      text-align: left;
      font-weight: 700;
      margin: 0;
    }

    & p {
      margin: 0;
      max-width: inherit;
    }
  }
}

.preload-media {
  position: fixed;
  inset: auto auto 0 0;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
}

.hero-container, .carousel, .carousel-frame {
  flex: 1 1 0; 
  min-height: 0;
}

.carousel-frame {
  display: flex;
  flex-direction: column;
  position: relative;
  overflow: clip;

  > svg.ico-wave {
    position: absolute;
    right: 0;
    bottom: var(--slide-copy-height, 0px);
    margin-bottom: -0.5px;
    width: 190px;
    height: 96px;
    display: block;
    fill: var(--clr-bg, var(--clr-green));
    pointer-events: none;
  }
}

.hero-container {
  display: grid;
  grid-template: 1fr / 1fr;
  position: relative;

  & img, video {
    grid-area: 1 / 1;
    width: 100%;
    height: 100%;
    object-fit: cover;
    min-width: 0;
    min-height: 0;
  }

  & article {
    grid-area: 1 / 1;
    place-self: start start;
    z-index: 1;    
    background-color: transparent;
  }

  .intro &:has(video) {
    color: var(--clr-white);

    & h2 {
      text-align: left;
      margin-top: 1em;
    }
  }

  svg.ico-wave {
    grid-area: 1 / 1;
    place-self: end end;
    fill: var(--clr-bg, var(--clr-green));
    display: block;
    width: 190px;
    height: 96px;    
  }

  #inter-ikea-systems {
    position: absolute;
    right: 0.5rem;
    top: 1rem;    
    fill: var(--clr-black);
  }

  &:has(img, video) {
    #inter-ikea-systems {
      fill: var(--clr-white);
    }
  }

  & .hero-link {
    grid-area: 1 / 1;
    z-index: 2;
  }
}

body:has(header) {
  .hero-container #inter-ikea-systems {
    top: 25%;
  }
}

form:has(.cta) {
  display: flex;
}

.cta {
  display: flex;
  flex: 1;
  align-items: center;
  justify-content: center;
  background-color: var(--clr-action, var(--clr-sand-light));
  background-image: url("ico-arrow-right.svg");
  background-repeat: no-repeat;
  background-position: 1rem 50%;
  padding: 0.5rem calc(1.5rem + 19px);
  border: none;
  font-size: var(--fs-base);
  max-width: 22rem;
  border-radius: 100vw;
  min-height: 3rem;
  margin: 0 auto;
  font-weight: 700;
  color: var(--clr-black);
  text-decoration: none;    
}

.arrow {
  display: block;
  background-image: url("ico-arrow-right.svg");
  background-repeat: no-repeat;
  background-position: 50% 50%;
  width: 2rem;  
  aspect-ratio: 1;
  background-color: var(--clr-white);
  border-radius: 50%;
}

.cta-container {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.5rem;
  justify-content: stretch;
  align-items: stretch;
  margin: 0 1rem; 
}

.share-container {
  display: flex;
}

.cta-link {
  display: flex;
  --clr-action: transparent;
  border-radius: 100vw;
  border: 1px solid var(--clr-black);
  flex-grow: 1;
  width: 100%;
}

.play-time {  
  font: var(--td-s);
  display: inline-flex;
  gap: 0.4em;
  align-items: center;
  margin-block-start: 0.75rem;
}

.carousel {
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: 100%;
  overflow-x: auto;
  scroll-behavior: smooth;
  scroll-snap-type: x mandatory;
  scrollbar-width: none;

  > li {
    scroll-snap-align: center;
    display: flex;
    flex-direction: column;

    --clr-bg: var(--clr-green);
  }
}

.scroll-marker-group {
  display: flex;
  gap: 0.5rem;
  justify-content: center;
  background-color: var(--clr-bg);
  margin: 0.4rem 0 1rem 0;

  & button {
    appearance: none;
    border: none;
    width: 0.75rem;
    aspect-ratio: 1;
    border-radius: 50%;
    background-color: var(--clr-white);
    transition: background-color 0.1s ease;

    &.current {
      background-color: var(--clr-black);
    }
  }
}

.stage-header-container {
  background-color: var(--clr-bg);
  padding: 1rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.stage-progress {
  list-style: none;
  display: flex;
  gap: 0.5rem;
  justify-content: stretch;
  margin: 0;
  padding: 0;

  & li {
    flex-grow: 1;
    height: 0.25rem;
    border-radius: 100vw;
    background-color: var(--clr-white);
    &.done {
      background-color: var(--clr-green);
    }
  }
}

.stage-header {
  display: flex;  
  gap: 0.5rem;
  align-items: center;

  & h1 {
    font: var(--td-base);
    margin: 0;
  }
}

.stage-icon {
  width: 2.5rem;  
  aspect-ratio: 1;
  background-color: var(--clr-green);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.stage-progress {
  font: var(--td-s);
  text-transform: uppercase;
  font-weight: 700;
}

@keyframes glow {
  from {
    --glow-deg: 0deg;
  }
  to {
    --glow-deg: 360deg;
  }
}

.answers-container {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  padding: 1.5rem;

  & form {
    display: flex;        
  }

  & button {
    text-align: left;
    appearance: none;
    border: 3px solid transparent;    
    flex-grow: 1;
    line-height: 1.25;
    background: var(--clr-white);
    border-radius: 100vw;
    font-weight: 700;
    padding: 1rem;
    box-sizing: border-box;
    color: var(--clr-black);

    &.chance {
      animation: glow 4s linear infinite;
      background: linear-gradient(var(--clr-white), var(--clr-white)) padding-box,
        conic-gradient(
          from var(--glow-deg),
          var(--clr-blue),
          var(--clr-green),
          var(--clr-blue),
          var(--clr-green),
          var(--clr-blue)
        ) border-box;

      @media (prefers-reduced-motion: reduce) {
        animation: none;
      }
    }
  }
}

dialog:not(.facts-modal) {
  border: none;
  border-radius: 0.5rem;
  width: 280px;
  max-width: 90%;
  padding: 0;

  & > * {
    padding: 0 1.25rem;
  }

  & > *:first-child {
    padding-block-start: 2rem;
  }
  & > *:last-child {
    padding-block-end: 2rem;
  }

  & h2 {
    padding-block-end: 2rem;
    margin: 0;
  }

  & svg {
    fill: var(--clr-white);
    rotate: 180deg;
  }
}

dialog::backdrop {
  background: rgba(0,0,0,.5);
}

@media (prefers-reduced-motion: no-preference) {
  dialog:not(.facts-modal)[open] {
    translate: 0 0;
    transition: translate var(--dur-base) var(--ease-out);
  }

  @starting-style {
    dialog:not(.facts-modal)[open] {
      translate: 0 100dvh;
    }
  }

  dialog:not(.facts-modal)[open].is-leaving,
  dialog:not(.facts-modal)[open].is-confirming {
    pointer-events: none;
    transition-timing-function: var(--ease-in);
  }

  dialog:not(.facts-modal)[open].is-leaving {
    translate: 0 100dvh;
  }

  dialog:not(.facts-modal)[open].is-confirming {
    translate: 0 -100dvh;
  }

  dialog:not(.facts-modal)[open]::backdrop {
    opacity: 1;
    transition: opacity var(--dur-base) var(--ease-out);
  }

  @starting-style {
    dialog:not(.facts-modal)[open]::backdrop {
      opacity: 0;
    }
  }

  dialog:not(.facts-modal)[open].is-leaving::backdrop,
  dialog:not(.facts-modal)[open].is-confirming::backdrop {
    opacity: 0;
  }
}

.header-label {
  text-transform: uppercase;  
  font: var(--td-s);
  font-weight: 700;
  padding-block-end: 1rem;
}

.dialog-actions {
  background-color: var(--clr-green);
  display: flex;
  flex-direction: column;
  gap: 2rem;

  svg.ico-wave {
    align-self: center;    
    transform: translateY(1px);
  }

  & > div {
    display: flex;  
    gap: 0.5rem;  
  }

  & button {
    text-align: center;
    flex: 1;
  }
}

.results-header {
  background-color: var(--clr-green);
  padding: 2rem 1rem 2rem 1rem;

  strong {
    display: block;
  }
}

.results-header {
  background-image: url("inter-ikea-systems.svg");
  background-repeat: no-repeat;
  background-position: calc(100% - 0.5rem) 0.5rem;  

  button {
    appearance: none;
    background-color: transparent;
    border: none;
    display: flex;
    align-items: center;
    gap: 0.5rem;
  }
}

.results-tagline {
  display: grid;
  grid-template-columns: 1fr max-content;

  svg {
    fill: var(--clr-green);
    rotate: 180deg;
    width: 190px;
    height: 96px;    
  }

  &>div:first-child {
    align-self: center;
    font: var(--td-base);
    padding: 1rem 0 1rem 1rem;
  }
}

.impact {
  display: flex;
  flex-direction: column;
  margin: 1.5rem 1rem;
  font: var(--td-base);

  & + .impact {
    margin-block-start: 0;
  }

  h3 {
    font: var(--td-base);
    font-weight: 700;
    margin: 0;
  } 

  .icon {
    width: 40px;
    aspect-ratio: 1;
    display: inline-flex;
    justify-content: center;
    align-items: center;
    background-color: var(--clr-green);
    border-radius: 50%;
    margin-block-end: 0.25rem;
  }

  details {
    border-width: 1px 0;
    border-color: var(--clr-black);
    border-style: solid;
    margin: 0.5rem 0;
    padding: 0.5rem 0;

    & summary {
      list-style: none;
      cursor: pointer;
      display: flex;
      justify-content: space-between;
      align-items: center;
      gap: 0.5rem;
    }

    h4 {
      font: var(--td-base);
      font-weight: 700;
      margin: 0;
    }

    & p {
      margin: 0.5rem 0;
    }

    & summary::-webkit-details-marker { display: none; }

    & .details-icon {
      width: 23px;
      aspect-ratio: 1;
      border-radius: 50%;
      border: 1px solid var(--clr-black);
      box-sizing: border-box;
      position: relative;
      &::before {
        content: "";
        height: 13px;
        width: 1px;
        left: 10px;
        top: 4px;
        position: absolute;
        background-color: var(--clr-black);
      }
      &::after {
        content: "";
        width: 13px;
        height: 1px;
        left: 4px;
        top: 10px;
        position: absolute;
        background-color: var(--clr-black);
      }
    }

    &[open] .details-icon::before {
      display: none;
    }
  }
}

.newsletter-container {
  margin: 0 1rem 2rem 1rem;

  & p {
    margin: 0 0 1rem 0;
  }

  a {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--clr-black);
    text-decoration: none;

    & .arrow {
      background-color: var(--clr-green);
    }
  }
}

@media (min-width: 1024px) {
  header {
    inset: 1.5625rem 1.75rem auto 1.75rem;
    box-shadow: 0px 4px 8px 0px #0000000F, 0px 0px 4px 0px #0000000A;
  }

  .facts-modal {
    width: min(90vw, 42rem);
    max-width: min(90vw, 42rem);
    height: max-content;
    max-height: 90vh;
  }

  main, .modal-panel {
    article h1, .results-header h1 {
      font: var(--td-2xl);
      font-weight: 400;    
    }
  }

  .modal-panel {
    min-height: 0;
    --clr-bg: var(--clr-white);
    --clr-action: var(--clr-green);

    .hero-container,
    .carousel,
    .carousel-frame {
      flex: 0 0 auto;
    }

    .hero-container {
      height: min(30vh, 320px);      
    }

    .carousel-frame > svg.ico-wave {
      transform: translateY(1px);
    }

    .carousel > li {
      --clr-bg: var(--clr-white);

      article p:last-of-type {
        margin-block-end: 0;
      }
    }

    .scroll-marker-group button {
      background-color: var(--clr-sand);
      &.current {
        background-color: var(--clr-black);
      }
    }

    h2 {
      max-width: 22ch;
    }

    & > article {
      padding-block-start: 0.5rem;
      margin-block-end: 1rem;
    }
  }

  #language-menu {
    position: fixed;
    background-color: var(--clr-white);
    inset: 0;
    margin: auto;
    width: max-content;
    max-width: 90vw;
    height: 50%;
    min-height: 24rem;
    padding: 1.5rem;
    border-radius: 0;
    overflow-y: auto;
    box-shadow: 0 0 0 100vmax rgba(0, 0, 0, 0.5);

    .language-button {
      display: flex;
      width: 1.5rem;
      height: 1.5rem;
      padding: 0;
      box-sizing: border-box;
      background-color: transparent;
      border: 1px solid var(--clr-black);
      margin-block-end: 1rem;

      svg {
        width: 37.5%;
        display: block;
        aspect-ratio: 1;        
      }
    }

    h2 strong {
      display: inline;
    }

    &::-webkit-scrollbar {
      width: 0.75rem;
    }
    &::-webkit-scrollbar-thumb {
      border-radius: 0;
      background-color: rgba(0, 0, 0, 0.3);
    }
    &::-webkit-scrollbar-track {
      border-radius: 0;
      background-color: var(--clr-white);
    }
  }

  main {
    display: grid;
    grid-template-columns: 4fr 6fr;    

    h1, h2 {
      font: var(--td-2xl);      
    }

    .hero-container {
      display: grid;
      position: sticky;
      top: 0;
      align-self: start;
      height: 100vh;
    }

    &.intro {
      h2 {
        font-size: var(--fs-2xl);
      }

      .hero-container {
        grid-column: 1 / span 2;
        article {
          max-width: 50vw;
        }
      }      
    }  

    &.start {
      article {        
        grid-area: 1 / 1;
        display: flex;
        flex-direction: column;
        padding: 2.5rem;
        text-align: left;

        h1, p, .cta {
          margin-left: 0;
          margin-right: 0;
        }

        h1 {
          font-size: var(--fs-3xl);
        }

        p {
          font-size: var(--fs-lg);
        }

        & > div:first-child {
          flex: 1;
          display: flex;
          flex-direction: column;
          justify-content: center;        
        }
      }

      .play-time {
        flex: 0 0 auto;
        margin-block-start: 0;
      }

      .hero-container {
        grid-area: 1 / 2;        

        svg.ico-wave {
          place-self: start start;
          display: block;
          width: 345px;
          height: 174px;
          transform-origin: 0 0;
          transform: rotate(90deg) translate(345px, -174px) scaleX(-1);
        }
      }
    }

    &.stage, &.good_answer, &.bad_answer, &.last_save {
      grid-template-columns: 6fr 4fr;
      grid-template-rows: auto 1fr auto;

      .hero-container {
        grid-area: 1 / 1 / span 3 / span 1;

        article {
          display: none;
        }       

        #inter-ikea-systems {
          bottom: 1rem;
          top: auto;
        }

        svg.ico-wave {
          place-self: start end;
          display: block;
          width: 345px;
          height: 174px;
          transform-origin: 0 0;
          transform: rotate(-90deg) translate(-345px, 174px);          
        }
      }

      .stage-header-container {
        grid-area: 1 / 2;   
        padding: 2.5rem;
      }

      .question-container {
        display: block;
        grid-area: 2 / 2;   
        text-align: left;
        padding: 0 2.5rem;

        h2 {
          font-size: var(--fs-2xl);        
        }
      }

      .answers-container {
        grid-area: 3 / 2; 
        justify-content: end;
        padding: 2.5rem;
        gap: 1rem;
      }
    }

    &.good_answer, &.bad_answer  {  
      grid-template-rows: auto auto 1fr;
      --clr-action: var(--clr-sand-light);

      .stage-progress li.done {
        background-color: var(--clr-black);
      }

      .stage-icon {
        background-color: var(--clr-white);
      }

      .question-container {
        font-size: var(--fs-2xl);
        line-height: 1.2;
        text-align: left;
        font-weight: 400;
        padding-bottom: 0.2rem;

        h2 {
          margin: 0;
          font-weight: 700;
        }

        p {
          margin: 0;
        }
      }

      .answers-container {
        justify-content: space-between;
        font-size: var(--fs-lg); 
        padding-top: 1.8rem;

        h2 {
          font-size: var(--fs-lg); 
        }
      }

      .hero-container img {
        display: block;
      }
    }

    &.good_answer {  
      .stage-header-container, .question-container, .answers-container {
        background-color: var(--clr-green);   
      }  

      .hero-container svg.ico-wave {
        fill: var(--clr-green);          
      }
    }
    &.bad_answer {  
      .stage-header-container, .question-container, .answers-container {
        background-color: var(--clr-blue);   
      }
      .hero-container svg.ico-wave {
        fill: var(--clr-blue);          
      }  
    }

    &.results {
      margin-block-end: 0;

      .results-header {
        background-image: none;
      }

      .icon {
        background-color: var(--clr-sand-light);
        margin-block-end: 0.5rem;
      }

      .impact {
        font: var(--td-lg);
        h3 {
          font-size: var(--fs-lg);    
        } 

        details {
          margin: 1rem 0;
        }
      }

      & > *:not(.hero-container) {
        grid-column-start: 1;
        background-color: var(--clr-green);
        margin: 0;
        padding: 1.5rem 2.5rem 0 2.5rem;
      }

      .results-tagline {
        display: block;

        svg {
          display: none;          
        }

        &>div:first-child {
          font: var(--td-lg);
          padding: 0;
        }
      }

      .hero-container {
        display: block;
        grid-column: 2 / span 1;
        grid-row: 1 / span 8;

        svg.ico-wave {
          top: 0;
          left: 0;
          position: absolute;
          width: 345px;
          height: 174px;
          transform-origin: 0 0;
          transform: rotate(90deg) translate(345px, -174px) scaleX(-1);          
        }
      }
      .newsletter-container a .arrow {
        background-color: var(--clr-white);
      }
      .cta-container {
        gap: 1rem;
        padding-bottom: 2.5rem;

        --clr-action: var(--clr-sand-light);
      }
    }
  }
}

.debug-score {
  display: none;
  position: fixed;
  font-size: var(--fs-s);
  left: 50%;
  bottom: 0;
  padding: 1rem;
  background-color: var(--clr-white);
  transform: translateX(-50%);
  z-index: 100;

  & dl {
    display: grid;
    grid-template-columns: max-content max-content;
    gap: 0 1ch;

    & dd {
      text-align: right;
    }
  }
}