:root {
  --scroll: 0px;
  /* --accent: #8a2133; */
  --accent: #59363c;
  --vh: 400px;
  --visible: 170;

  font-family: "Times New Roman", serif;
  word-spacing: 0.3em;
  text-underline-offset: 3px;

  color: var(--accent);
  letter-spacing: -0.09em;
  scroll-behavior: smooth;
}

@keyframes blink {
  0% {
    opacity: 0;
  }

  20% {
    opacity: 1;
  }

  26% {
    opacity: 0;
  }

  30% {
    opacity: 1;
  }

  49% {
    opacity: 0;
  }

  76% {
    opacity: 1;
  }

  85% {
    opacity: 0;
  }

  95% {
    opacity: 1;
  }

  100% {
    opacity: 0;
  }
}

@keyframes scroll {
  0% {
    top: 10%;
  }
  20% {
    top: 70%;
  }
  40% {
    top: 30%;
  }
  60% {
    top: 45%;
  }
  80% {
    top: 0.25rem;
  }
  100% {
    top: 90%;
  }
}

* {
  box-sizing: border-box;
  backface-visibility: hidden;
}

main,
body {
  background: var(--background);
  margin: 0;
}

header,
footer {
  display: flex;
  flex-direction: column;
  text-align: center;
  gap: 1rem;
}

header {
  z-index: 100;
  position: relative;
  top: calc(100vh - 9rem);
}

footer {
  width: 100%;
}

header nav {
  margin-top: 2rem;
}

footer nav {
  margin-top: 0;
}

nav {
  display: flex;
  flex-direction: row;
  gap: 1rem;
  justify-content: center;
}

nav a {
  color: var(--accent);
  text-transform: uppercase;
}

h1 {
  margin: 0;
  font-weight: 400;
  text-transform: uppercase;
  font-size: 4rem;
  text-align: center;
  width: 100%;
  line-height: 1em;
  padding: 0 1rem;
  letter-spacing: -0.04em;
}

h2 {
  margin: 0;
  font-size: 1.125rem;
  text-transform: uppercase;
  letter-spacing: -0.05em;
  font-weight: 600;
  width: 100%;
  text-align: center;
}

h1,
h2,
nav,
#link {
  font-family: "Helvetica", sans-serif;
}

article {
  border: 3px solid var(--accent);
  border-bottom: none;
}

p,
pre {
  margin: 0;
}

pre {
  font-family: monospace;
  letter-spacing: normal;
  word-spacing: normal;
}

.title {
  width: calc(100% - 4rem);
  z-index: 1;
  left: 0;
  top: 0;
}

#link,
.title {
  color: var(--accent);
  text-underline-offset: 4px;
  text-decoration-thickness: 2px;
  text-decoration: underline;
  text-decoration-style: dotted;
}

#link:hover,
.title:hover {
  text-decoration-style: solid;
}

.title,
.author {
  position: absolute;
  padding: 1rem;
  font-size: 2.5rem;
}

.description {
  padding: 0 0.5rem;
  bottom: 0;
  width: 100%;
  position: absolute;
  font-size: 2rem;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  align-items: center;
  text-align: justify;
}

.description,
.description a {
  color: inherit;
  text-decoration: none;
}
.description a {
  display: block;
}

.description p {
  background: var(--background);
  line-height: 110%;
  max-width: 40rem;
}

.description img {
  max-width: 40rem;
  display: block;
}

article:after {
  left: 100vw;
  margin-left: -6px;
  border-left: 3px solid var(--accent);
}

article:before {
  left: -300vw;
  margin-left: -2px;
  border-right: 3px solid var(--accent);
}

article:after,
article:before {
  content: "";
  position: absolute;
  width: 300vw;
  border-bottom: 3px solid var(--accent);
  bottom: 0;
  height: 100%;
  background: var(--background);
}

#link {
  position: fixed;
  font-size: 1.125rem;
  padding: 1.25rem;
  background: var(--background);
  background: yellow;
  border: 1px solid;
  transform: translate(-50%, calc(-50% - 2rem));
  top: 96%;
  left: 50%;
  text-align: center;
  letter-spacing: -0.03em;
  word-spacing: 0.2em;
  width: max-content;
  max-width: 90%;
  display: none;
}

.author {
  height: 100%;
  right: 0;
  bottom: 100%;
  text-align: right;
  display: flex;
  align-items: flex-end;
  justify-content: right;
  transform: rotate(90deg) translate(100%, 5rem);
  width: max-content;
  height: min-content;
  transform-origin: bottom right;
}

.maya .description,
.eileen .description,
.ahana-and-jeanette .description,
.jackie .description,
.theo .description {
  padding-top: 20rem;
  background: radial-gradient(
    ellipse at 50% 90%,
    var(--background),
    rgba(0, 0, 0, 0) 59%
  );
}

.chloe .title {
  width: 50%;
}

.ahana-and-jeanette .description {
  padding-top: 2rem;
}

.ahana-and-jeanette svg {
  max-height: 22vh;
}

.ahana-and-jeanette .description a {
  max-width: 32rem;
  display: flex;
  flex-direction: column;
  gap: 2rem;
  align-items: center;
}

.maya .description p {
  display: flex;
  max-width: 55rem;
}

.maya span:first-child {
  flex: 0 0 18rem;
}

.maya span:nth-child(2) {
  flex: 0 0 10rem;
  animation: blink 15s infinite;
}

.maya span:last-child {
  flex: 2 1 auto;
}

.chloe .description {
  height: 100%;
  position: absolute;
  transform: translate(-50%, 0);
  left: 50%;
  z-index: 1;
  width: 2rem;
}

.chloe svg {
  height: 100%;
}

.chloe svg polygon {
  fill: var(--accent);
}

.theo img {
  width: 100%;
  max-width: 10rem;
}

.theo .description p {
  background: rgb(255, 108, 22);
  padding: 1.5rem;
  border-radius: 2rem;
  color: #452a2e;
}

.domitille-and-quentin .description p {
  margin: 0 3.5rem 0 1.125rem;
  position: relative;
}

.domitille-and-quentin .description p:before {
  position: absolute;
  content: "";
  height: calc(100% - 0.5rem);
  left: -1.75rem;
  border: 2px solid;
  width: 0.5rem;
  top: 0.25rem;
}

.domitille-and-quentin .description p:after {
  position: absolute;
  content: "";
  height: 5%;
  left: -1.75rem;
  width: 0.5rem;
  margin-left: 2px;
  top: 0;
  background: var(--accent);
  animation: scroll 7s infinite steps(1);
}

.blair .description p {
  max-width: 80%;
}

.reuben .description {
  overflow: hidden;
  width: min-content;
  left: 50%;
  transform: translate(-50%, 0);
  padding: 0;
  max-height: 75vh;
}

.reuben pre {
  color: var(--background);
  font-family: serif;
  font-size: 2.125rem;
  line-height: 1.375rem;
  position: absolute;
}

.reuben .description img {
  max-height: 27ch;
  max-width: initial;
}

.jackie img {
  max-width: 70%;
}

.marimba {
  display: flex;
  flex-direction: row;
  align-items: center;
  gap: 4%;
  aspect-ratio: 2/1;
  margin-bottom: 1rem;
  width: 80%;
  max-width: 26rem;
  padding: 1rem;
  border: 2px solid;
  background: var(--background);
}

.marimba .key {
  border: 2px solid;
  flex: 1 1 auto;
  height: 100%;
}
.marimba .key:nth-child(2) {
  height: 90%;
}
.marimba .key:nth-child(3) {
  height: 80%;
}
.marimba .key:nth-child(4) {
  height: 70%;
}
.marimba .key:nth-child(5) {
  height: 60%;
}
.marimba .key:nth-child(6) {
  height: 50%;
}
.marimba .key:nth-child(7) {
  height: 40%;
}
.marimba .key:nth-child(8) {
  height: 30%;
}

.stack {
  position: relative;
  height: 22rem;
  width: 19rem;
  margin: 0 auto;
}

.stack img {
  max-width: 100%;
  display: block;
}

.stack > div {
  width: 10rem;
  border: 1px solid #ffffff;
  background: #ffffff;
  position: absolute;
  overflow: hidden;
}

.stack > div:nth-child(2) {
  margin-left: 1.25rem;
  margin-top: 0.75rem;
}

.stack > div:nth-child(3) {
  margin-left: 2.5rem;
  margin-top: 1.5rem;
}

.stack > div:nth-child(4) {
  margin-left: 3.75rem;
  margin-top: 2.25rem;
}

.stack > div:nth-child(5) {
  margin-left: 5rem;
  margin-top: 3rem;
}

.stack > div:nth-child(6) {
  margin-left: 6.25rem;
  margin-top: 3.75rem;
}

.stack > div:nth-child(7) {
  margin-left: 7.5rem;
  margin-top: 4.5rem;
}

.stack > div:nth-child(8) {
  margin-left: 8.75rem;
  margin-top: 5.25rem;
}

/* default */
@media screen and (min-width: 801px) {
  main {
    perspective: 600px;
    height: 100vh;
    width: 100vw;
    position: fixed;
    top: 0;
  }
  body {
    height: 18000px;
  }
  article {
    position: absolute;
    width: 100vw;
    margin: 0;
    height: calc(100vh - 6rem);
  }

  footer {
    position: fixed;
    left: 50%;
    transform: translate(-50%, 50%);
    opacity: calc(31 + -1 * var(--visible));
  }

  article:first-child {
    transform: translateZ(calc(var(--scroll) - 2500px));
    z-index: 20;
    opacity: calc(var(--visible) - 141);
  }
  article:nth-child(2) {
    transform: translateZ(calc(var(--scroll) - 3500px));
    z-index: 19;
    opacity: calc(var(--visible) - 131);
  }
  article:nth-child(3) {
    transform: translateZ(calc(var(--scroll) - 4500px));
    z-index: 18;
    opacity: calc(var(--visible) - 121);
  }
  article:nth-child(4) {
    transform: translateZ(calc(var(--scroll) - 5500px));
    z-index: 17;
    opacity: calc(var(--visible) - 111);
  }
  article:nth-child(5) {
    transform: translateZ(calc(var(--scroll) - 6500px));
    z-index: 16;
    opacity: calc(var(--visible) - 101);
  }
  article:nth-child(6) {
    transform: translateZ(calc(var(--scroll) - 7500px));
    z-index: 15;
    opacity: calc(var(--visible) - 91);
  }
  article:nth-child(7) {
    transform: translateZ(calc(var(--scroll) - 8500px));
    z-index: 14;
    opacity: calc(var(--visible) - 81);
  }
  article:nth-child(8) {
    transform: translateZ(calc(var(--scroll) - 9500px));
    z-index: 13;
    opacity: calc(var(--visible) - 71);
  }
  article:nth-child(9) {
    transform: translateZ(calc(var(--scroll) - 10500px));
    z-index: 12;
    opacity: calc(var(--visible) - 61);
  }
  article:nth-child(10) {
    transform: translateZ(calc(var(--scroll) - 11500px));
    z-index: 11;
    opacity: calc(var(--visible) - 51);
  }
  article:nth-child(11) {
    transform: translateZ(calc(var(--scroll) - 12500px));
    z-index: 10;
    opacity: calc(var(--visible) - 41);
  }
  article:nth-child(12) {
    transform: translateZ(calc(var(--scroll) - 13500px));
    z-index: 9;
    opacity: calc(var(--visible) - 31);
  }
}

/* mobile */
@media screen and (max-width: 800px) {
  main {
    position: relative;
  }
  header {
    top: 3rem;
    padding: 10rem 0;
  }
  footer {
    margin-top: 10rem;
    position: relative;
    padding: 3rem 0 10rem 0;
  }
  article {
    position: relative;
    width: 84vw;
    height: var(--vh);
    margin: 12rem 8vw;
    border-width: 2px;
  }
  article:after {
    left: 84vw;
    width: 8vw;
    border-width: 2px;
  }

  article:before {
    border-width: 2px;
  }

  .title,
  .author {
    font-size: 1.875rem;
  }

  .author {
    transform: rotate(90deg) translate(100%, 4rem);
  }

  .description {
    font-size: 1.5rem;
  }

  .domitille-and-quentin .description p {
    font-size: 1.5rem;
  }

  .blair-and-luke .description,
  .meg-and-mariah .description,
  .reuben .description {
    padding: 0;
    overflow: hidden;
    max-width: calc(100% - 7rem);
    left: 3rem;
    transform: unset;
  }

  .blair-and-luke .description img,
  .meg-and-mariah .description img {
    width: 180%;
    max-width: 180%;
  }

  .description p,
  .blair .description p,
  .theo .description p,
  .description img {
    max-width: 100%;
  }

  .maya .description p {
    display: block;
    max-width: 100%;
  }

  .eileen pre {
    font-size: 3.75vw;
  }

  .ahana-and-jeanette svg {
    max-height: 10rem;
  }

  .blair .stack {
    width: 15rem;
    height: 15rem;
  }

  .blair .stack > div {
    width: 6rem;
  }

  .reuben .description {
    max-height: unset;
  }
  .reuben pre {
    font-size: 1.5rem;
    line-height: 1rem;
  }
  .jackie img {
    margin-bottom: 50%;
  }

  #link {
    display: none;
  }
}

@media screen and (min-width: 1600px) {
  h2,
  nav {
    font-size: 1.75rem;
  }
  .title,
  .author {
    font-size: 3rem;
  }

  .reuben pre {
    font-size: 3rem;
    line-height: 2rem;
  }

  .description {
    font-size: 2.25rem;
  }

  #link {
    font-size: 1.5rem;
  }

  .stack {
    width: 24rem;
    height: 29rem;
  }

  .stack div {
    width: 15rem;
  }
}

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