:root {
  --paper: #efe5d3;
  --paper-deep: #d9cbb1;
  --ink: #090909;
  --teal: #0d7275;
  --teal-deep: #064e50;
  --orange: #ef4b28;
  --gold: #d19a36;
  --white: #fff9ee;
  --line: 2px solid var(--ink);
  --shadow: 8px 8px 0 var(--ink);
  font-family: Arial, Helvetica, sans-serif;
  color: var(--ink);
  background: var(--paper);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  min-width: 20rem;
  margin: 0;
  background:
    linear-gradient(90deg, transparent 49.8%, rgb(9 9 9 / 6%) 50%, transparent 50.2%),
    var(--paper);
  font-size: 1rem;
  line-height: 1.55;
}

.skip-link {
  position: fixed;
  z-index: 10;
  top: 0.75rem;
  left: 0.75rem;
  padding: 0.75rem 1rem;
  color: var(--white);
  background: var(--ink);
  transform: translateY(-200%);
}

.skip-link:focus {
  transform: translateY(0);
}

.hero,
.collection,
footer {
  width: min(100% - 2rem, 82rem);
  margin-inline: auto;
}

.hero {
  padding-block: clamp(2.5rem, 7vw, 7rem) clamp(3rem, 8vw, 8rem);
}

.eyebrow,
.experiment__status {
  margin: 0 0 0.6rem;
  font-weight: 900;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.hero > .eyebrow {
  display: inline-block;
  padding: 0.25rem 0.55rem;
  color: var(--white);
  background: var(--teal-deep);
  transform: rotate(-1deg);
}

h1,
h2,
.experiment strong {
  font-family: Impact, Haettenschweiler, "Arial Narrow Bold", sans-serif;
  font-weight: 900;
  line-height: 0.88;
  letter-spacing: 0.015em;
  text-transform: uppercase;
}

h1 {
  max-width: 11ch;
  margin: 0;
  font-size: clamp(4.2rem, 16vw, 12rem);
}

h1 span {
  color: var(--orange);
  -webkit-text-stroke: 2px var(--ink);
  text-shadow: 5px 5px 0 var(--ink);
}

.claim {
  max-width: 34rem;
  margin: 1.5rem 0 2.5rem auto;
  font-size: clamp(1.35rem, 3vw, 2.25rem);
  font-weight: 800;
  line-height: 1.15;
}

.hero__note {
  max-width: 54rem;
  margin-left: auto;
  padding: clamp(1.25rem, 3vw, 2.25rem);
  border: var(--line);
  background: var(--white);
  box-shadow: var(--shadow);
  transform: rotate(0.4deg);
}

.hero__note h2 {
  margin: 0 0 1rem;
  color: var(--teal-deep);
  font-size: clamp(1.75rem, 4vw, 3rem);
}

.hero__note p:last-child {
  margin-bottom: 0;
}

main {
  padding-block: clamp(3rem, 7vw, 7rem);
  border-block: var(--line);
  background: var(--gold);
}

.collection__heading {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: clamp(1rem, 4vw, 3rem);
  align-items: end;
  margin-bottom: clamp(2rem, 5vw, 4rem);
}

.collection__heading h2 {
  margin: 0;
  font-size: clamp(3rem, 9vw, 7rem);
}

.collection__heading p:last-child {
  max-width: 48rem;
  margin-bottom: 0;
  font-weight: 700;
}

.counter {
  margin: 0;
  color: var(--orange);
  font-family: Impact, Haettenschweiler, "Arial Narrow Bold", sans-serif;
  font-size: clamp(5rem, 13vw, 10rem);
  line-height: 0.7;
  -webkit-text-stroke: 2px var(--ink);
  text-shadow: 5px 5px 0 var(--ink);
}

.experiment-grid {
  counter-reset: experiment;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 17rem), 1fr));
  gap: 1.5rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.experiment {
  counter-increment: experiment;
  position: relative;
  min-height: 20rem;
  padding: 1.25rem;
  border: var(--line);
  background: var(--paper);
  box-shadow: 6px 6px 0 var(--ink);
  container-type: inline-size;
}

.experiment::before {
  display: block;
  margin-bottom: 4rem;
  color: var(--orange);
  font-family: Impact, Haettenschweiler, "Arial Narrow Bold", sans-serif;
  font-size: 4.5rem;
  line-height: 0.85;
  content: counter(experiment, decimal-leading-zero);
  -webkit-text-stroke: 1px var(--ink);
}

.experiment:nth-child(3n + 2) {
  background: var(--white);
  transform: rotate(0.35deg);
}

.experiment:nth-child(3n) {
  background: var(--paper-deep);
  transform: rotate(-0.35deg);
}

.experiment.experiment--active {
  padding: 0;
  background: var(--teal-deep);
}

.experiment--active::before {
  position: absolute;
  z-index: 1;
  top: 1.25rem;
  left: 1.25rem;
  pointer-events: none;
}

.experiment--active a {
  display: flex;
  min-height: 20rem;
  height: 100%;
  padding: 9.1rem 1.25rem 1.25rem;
  color: var(--white);
  background: var(--teal-deep);
  text-decoration: none;
  flex-direction: column;
}

.experiment__status {
  display: block;
  margin-top: auto;
  font-size: 0.75rem;
}

.experiment strong {
  display: block;
  margin-block: 0.35rem 0.8rem;
  font-size: clamp(2rem, 4vw, 3.1rem);
  overflow-wrap: break-word;
  hyphens: auto;
}

#postdramatisches-theater strong {
  font-size: clamp(1.6rem, 9cqi, 3.1rem);
}

.experiment > span:last-child,
.experiment a > span:last-child {
  display: block;
  font-weight: 700;
}

.experiment--active a:hover {
  color: var(--ink);
  background: var(--orange);
}

.legal {
  width: min(100%, 68rem);
  margin: clamp(4rem, 9vw, 9rem) auto 0;
  padding: clamp(1.5rem, 4vw, 3rem);
  border: var(--line);
  background: var(--white);
  box-shadow: var(--shadow);
}

.legal--privacy {
  background: var(--teal-deep);
  color: var(--white);
  transform: rotate(-0.2deg);
}

.legal > h2 {
  max-width: 12ch;
  margin: 0 0 2rem;
  font-size: clamp(3rem, 8vw, 6rem);
}

.legal h3 {
  margin-top: 0;
  font-size: 1.15rem;
  text-transform: uppercase;
}

.legal-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 22rem), 1fr));
  gap: 1.25rem;
}

.legal-grid article {
  padding: 1.25rem;
  border: var(--line);
  background: var(--paper);
  color: var(--ink);
}

.legal address {
  font-style: normal;
}

.legal a,
footer a {
  color: inherit;
  font-weight: 800;
  text-decoration-thickness: 0.15em;
  text-underline-offset: 0.18em;
}

.privacy-promise {
  max-width: 34rem;
  margin: -1rem 0 2rem;
  color: var(--gold);
  font-size: clamp(1.2rem, 3vw, 1.75rem);
  font-weight: 900;
}

a:focus-visible {
  outline: 4px solid var(--orange);
  outline-offset: 5px;
}

footer {
  display: flex;
  gap: 1rem 2rem;
  align-items: center;
  justify-content: space-between;
  padding-block: 2rem;
  font-weight: 700;
}

footer nav {
  display: flex;
  gap: 0.6rem 1.25rem;
  flex-wrap: wrap;
}

@media (max-width: 38rem) {
  .collection__heading {
    grid-template-columns: 1fr;
  }

  .counter {
    font-size: 6rem;
  }

  .experiment {
    min-height: 17rem;
  }

  footer {
    align-items: flex-start;
    flex-direction: column;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }
}

@media print {
  body,
  main {
    background: #fff;
  }

  .experiment,
  .hero__note {
    box-shadow: none;
  }
}