@charset "UTF-8";

:root {
  --night: #d9d4cc;
  --night-soft: #343733;
  --ink: #292824;
  --paper: #f7f2e8;
  --paper-dim: #6c6861;
  --coral: #d8735d;
  --periwinkle: #8796c1;
  --brass: #c8a85e;
  --line: rgba(41, 40, 36, 0.25);
  --ease: cubic-bezier(0.16, 1, 0.3, 1);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  background: var(--night);
}

body {
  margin: 0;
  min-width: 320px;
  color: var(--ink);
  background: var(--night);
  font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

button,
a {
  color: inherit;
}

button {
  font: inherit;
}

button,
a {
  -webkit-tap-highlight-color: transparent;
}

::selection {
  color: var(--night);
  background: var(--coral);
}

:focus-visible {
  outline: 2px solid var(--coral);
  outline-offset: 5px;
}

.skip-link {
  position: fixed;
  z-index: 1000;
  top: 10px;
  left: 10px;
  padding: 10px 14px;
  color: var(--night);
  background: var(--paper);
  transform: translateY(-150%);
}

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

#world {
  position: fixed;
  z-index: 0;
  inset: 0;
  display: block;
  width: 100%;
  height: 100%;
}

.paper-noise {
  position: fixed;
  z-index: 1;
  inset: 0;
  pointer-events: none;
  opacity: 0.14;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 180 180' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.88' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.65'/%3E%3C/svg%3E");
  mix-blend-mode: multiply;
}

.site-header {
  position: fixed;
  z-index: 30;
  inset: 0 0 auto 0;
  height: 70px;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  padding: 0 28px;
  border-bottom: 1px solid var(--line);
  background: rgba(235, 231, 223, 0.76);
  backdrop-filter: blur(12px);
}

.identity {
  width: fit-content;
  display: flex;
  align-items: center;
  gap: 11px;
  text-decoration: none;
}

.identity > span {
  font-family: Georgia, "Times New Roman", serif;
  font-size: 17px;
}

.identity i {
  width: 5px;
  height: 5px;
  background: var(--coral);
  border-radius: 50%;
}

.identity small,
.coordinates,
.random-observation {
  font-size: 8px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.identity small {
  opacity: 0.55;
}

.coordinates {
  display: flex;
  align-items: center;
  gap: 14px;
  font-family: "SFMono-Regular", Consolas, monospace;
}

.coordinates span {
  color: var(--coral);
}

.coordinates strong {
  font-weight: 400;
}

.random-observation {
  justify-self: end;
  display: flex;
  align-items: center;
  gap: 26px;
  padding: 0;
  border: 0;
  background: transparent;
  cursor: pointer;
}

.random-observation i {
  font-size: 14px;
  font-style: normal;
  transition: transform 400ms var(--ease);
}

.random-observation:hover i {
  transform: translate(4px, -4px);
}

.chapter-rail {
  position: fixed;
  z-index: 20;
  top: 50%;
  right: 28px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  transform: translateY(-50%);
}

.chapter-rail a {
  display: grid;
  grid-template-columns: 22px 8px;
  align-items: center;
  gap: 8px;
  min-height: 24px;
  text-decoration: none;
  font-family: "SFMono-Regular", Consolas, monospace;
  font-size: 7px;
  letter-spacing: 0.1em;
}

.chapter-rail span {
  opacity: 0.38;
  transition: opacity 350ms ease;
}

.chapter-rail a::after {
  width: 6px;
  height: 6px;
  content: "";
  border: 1px solid var(--ink);
  border-radius: 50%;
  transition: background 350ms ease, transform 350ms var(--ease);
}

.chapter-rail b {
  position: absolute;
  right: 24px;
  width: max-content;
  opacity: 0;
  pointer-events: none;
  font-weight: 400;
  transform: translateX(8px);
  transition: opacity 250ms ease, transform 350ms var(--ease);
}

.chapter-rail a:hover b {
  opacity: 0.65;
  transform: translateX(0);
}

.chapter-rail a.is-active span {
  opacity: 1;
}

.chapter-rail a.is-active::after {
  background: var(--coral);
  border-color: var(--coral);
  transform: scale(1.45);
}

.progress {
  position: fixed;
  z-index: 20;
  bottom: 24px;
  left: 28px;
  width: 1px;
  height: 112px;
  background: var(--line);
}

.progress i {
  position: absolute;
  inset: 0;
  display: block;
  background: var(--coral);
  transform: scaleY(0);
  transform-origin: top;
}

.progress span {
  position: absolute;
  bottom: -1px;
  left: 11px;
  font-family: "SFMono-Regular", Consolas, monospace;
  font-size: 7px;
  letter-spacing: 0.08em;
}

#expedition {
  position: relative;
  z-index: 3;
}

.scene {
  position: relative;
  min-height: 145vh;
  padding: 110px 8vw 90px;
}

.scene-arrival {
  min-height: 180vh;
}

.hero-copy {
  position: sticky;
  top: 19vh;
  width: min(100%, 1120px);
}

.eyebrow {
  margin: 0 0 28px;
  font-family: "SFMono-Regular", Consolas, monospace;
  font-size: 8px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.hero-copy h1 {
  display: flex;
  flex-direction: column;
  width: fit-content;
  margin: 0;
  font-size: clamp(70px, 12vw, 188px);
  font-weight: 500;
  line-height: 0.75;
  letter-spacing: -0.08em;
}

.hero-copy h1 span {
  padding-left: 0.08em;
  font-size: 0.3em;
  line-height: 1.4;
  letter-spacing: -0.04em;
}

.hero-copy h1 em {
  font-family: Georgia, "Times New Roman", serif;
  font-weight: 400;
}

.hero-deck {
  display: flex;
  align-items: flex-end;
  gap: 45px;
  margin: 42px 0 0;
}

.hero-deck p {
  max-width: 390px;
  margin: 0;
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(18px, 1.7vw, 27px);
  line-height: 1.18;
}

.placeholder-flag {
  display: block;
  width: fit-content;
  padding: 5px 7px;
  border: 1px solid currentColor;
  font-family: "SFMono-Regular", Consolas, monospace;
  font-size: 7px;
  line-height: 1;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.hero-seal {
  position: absolute;
  top: 125px;
  right: 8vw;
  width: 116px;
  height: 116px;
  display: grid;
  place-content: center;
  gap: 6px;
  border: 1px solid var(--line);
  border-radius: 50%;
  text-align: center;
  animation: seal-spin 24s linear infinite;
}

.hero-seal span {
  width: 75px;
  font-size: 6px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
}

.hero-seal strong {
  font-family: Georgia, serif;
  font-size: 18px;
  font-weight: 400;
}

@keyframes seal-spin {
  to { transform: rotate(360deg); }
}

.scroll-instruction {
  position: absolute;
  top: calc(100vh - 85px);
  right: 8vw;
  display: flex;
  align-items: center;
  gap: 18px;
  font-family: "SFMono-Regular", Consolas, monospace;
  font-size: 7px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.scroll-instruction i {
  position: relative;
  width: 1px;
  height: 45px;
  overflow: hidden;
  background: var(--line);
}

.scroll-instruction i::after {
  position: absolute;
  inset: 0;
  content: "";
  background: var(--paper);
  animation: scroll-drop 1.8s var(--ease) infinite;
}

@keyframes scroll-drop {
  0% { transform: translateY(-100%); }
  60%, 100% { transform: translateY(100%); }
}

.scene-card {
  position: sticky;
  top: 19vh;
  width: min(510px, 42vw);
  padding: 30px;
  color: var(--ink);
  background: rgba(241, 234, 223, 0.94);
  border: 1px solid var(--ink);
  box-shadow:
    0 18px 45px rgba(54, 47, 39, 0.18),
    14px 16px 0 rgba(41, 40, 36, 0.16);
  backdrop-filter: blur(12px);
}

.scene-card::before {
  position: absolute;
  inset: 8px;
  content: "";
  pointer-events: none;
  border: 1px solid rgba(41, 40, 36, 0.18);
}

.align-left {
  margin-right: auto;
}

.align-right {
  margin-left: auto;
}

.align-center {
  margin-inline: auto;
}

.scene-number {
  position: absolute;
  top: 30px;
  right: 30px;
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  font-family: "SFMono-Regular", Consolas, monospace;
}

.scene-number span {
  font-size: 6px;
  letter-spacing: 0.12em;
}

.scene-number strong {
  color: var(--coral);
  font-size: 32px;
  font-weight: 400;
  line-height: 1;
}

.scene-card .eyebrow {
  margin-bottom: 50px;
  color: #5a5d60;
}

.scene-card h2 {
  max-width: 430px;
  margin: 0 0 25px;
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(34px, 3.5vw, 58px);
  font-weight: 400;
  line-height: 0.95;
  letter-spacing: -0.055em;
}

.scene-copy {
  max-width: 400px;
  margin: 0 0 36px;
  font-family: Georgia, "Times New Roman", serif;
  font-size: 15px;
  line-height: 1.5;
}

.mini-index {
  margin: 0 0 28px;
  border-top: 1px solid var(--ink);
}

.mini-index > div {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: baseline;
  min-height: 46px;
  padding: 12px 0 9px;
  border-bottom: 1px solid rgba(41, 40, 36, 0.3);
}

.mini-index dt {
  font-family: Georgia, serif;
  font-size: 13px;
}

.mini-index dd {
  margin: 0;
  color: var(--coral);
  font-family: Georgia, serif;
  font-size: 24px;
}

.laboratory-card {
  color: var(--paper);
  background: rgba(52, 55, 51, 0.97);
  border-color: var(--paper);
  box-shadow: 14px 16px 0 rgba(237, 101, 72, 0.5);
}

.laboratory-card::before {
  border-color: rgba(241, 234, 223, 0.2);
}

.laboratory-card .eyebrow {
  color: var(--coral);
}

.live-reading {
  margin: 35px 0 28px;
  border-top: 1px solid var(--line);
}

.live-reading > div {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: baseline;
  min-height: 54px;
  padding: 14px 0 10px;
  border-bottom: 1px solid var(--line);
}

.live-reading span,
.laboratory-card small {
  font-family: "SFMono-Regular", Consolas, monospace;
  font-size: 7px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.live-reading strong {
  font-family: "SFMono-Regular", Consolas, monospace;
  font-size: 18px;
  font-weight: 400;
}

.field-button {
  width: 100%;
  min-height: 52px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 18px;
  padding: 0 16px;
  color: var(--ink);
  background: var(--coral);
  border: 0;
  cursor: pointer;
  font-family: "SFMono-Regular", Consolas, monospace;
  font-size: 8px;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  transition: background 250ms ease;
}

.field-button:hover {
  background: #ff876e;
}

.field-button span {
  font-size: 20px;
}

.field-button.is-scanning span {
  animation: scan-spin 700ms var(--ease);
}

@keyframes scan-spin {
  to { transform: rotate(720deg); }
}

.laboratory-card small {
  display: block;
  opacity: 0.48;
}

.opinion-card blockquote {
  margin: 0 0 18px;
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(34px, 3.8vw, 61px);
  line-height: 0.93;
  letter-spacing: -0.055em;
}

.opinion-stage p {
  max-width: 390px;
  margin: 0;
  font-family: Georgia, serif;
  font-size: 14px;
  line-height: 1.45;
}

.opinion-stage.swap {
  animation: opinion-swap 550ms var(--ease);
}

@keyframes opinion-swap {
  0% { opacity: 0; transform: translateY(14px); }
}

.opinion-controls {
  display: grid;
  grid-template-columns: 44px 1fr 44px;
  align-items: center;
  margin: 34px 0 22px;
  border-top: 1px solid var(--ink);
  border-bottom: 1px solid var(--ink);
}

.opinion-controls button {
  height: 44px;
  border: 0;
  background: none;
  cursor: pointer;
  font-size: 18px;
}

.opinion-controls button:first-child {
  border-right: 1px solid var(--ink);
}

.opinion-controls button:last-child {
  border-left: 1px solid var(--ink);
}

.opinion-controls span {
  font-family: "SFMono-Regular", Consolas, monospace;
  font-size: 8px;
  letter-spacing: 0.1em;
  text-align: center;
}

.opinion-controls b {
  color: var(--coral);
  font-weight: 400;
}

.monograph-card {
  width: min(730px, 60vw);
  padding: 45px;
  text-align: center;
  transform: rotate(-1.25deg);
}

.monograph-card .eyebrow {
  margin-bottom: 36px;
}

.monograph-card h2 {
  max-width: none;
  font-size: clamp(45px, 6vw, 90px);
}

.monograph-card h2 em {
  color: var(--coral);
  font-weight: 400;
}

.final-index {
  display: grid;
  grid-template-columns: 160px 1fr;
  align-items: center;
  margin: 40px 0 25px;
  padding: 25px 0;
  border-top: 1px solid var(--ink);
  border-bottom: 1px solid var(--ink);
  text-align: left;
}

.final-index > span {
  grid-row: 1 / 3;
  color: var(--coral);
  font-family: Georgia, serif;
  font-size: 72px;
  letter-spacing: -0.07em;
}

.final-index p {
  margin: 0;
  font-family: Georgia, serif;
  font-size: 18px;
}

.final-index small {
  margin-top: 8px;
  font-family: "SFMono-Regular", Consolas, monospace;
  font-size: 7px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.monograph-card .placeholder-flag {
  margin-inline: auto;
}

.scene-exit {
  min-height: 130vh;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding-bottom: 28px;
}

.exit-copy {
  position: sticky;
  top: 25vh;
  margin-bottom: 42vh;
  text-align: center;
}

.exit-copy h2 {
  margin: 0;
  font-family: Georgia, serif;
  font-size: clamp(55px, 8vw, 126px);
  font-weight: 400;
  line-height: 0.88;
  letter-spacing: -0.065em;
}

.exit-actions {
  display: flex;
  justify-content: center;
  gap: 35px;
  margin-top: 45px;
}

.exit-actions a,
.exit-actions button {
  padding: 8px 0;
  border: 0;
  border-bottom: 1px solid currentColor;
  background: none;
  cursor: pointer;
  font-family: "SFMono-Regular", Consolas, monospace;
  font-size: 8px;
  letter-spacing: 0.1em;
  text-decoration: none;
  text-transform: uppercase;
}

.scene-exit footer {
  display: flex;
  justify-content: space-between;
  padding-top: 20px;
  border-top: 1px solid var(--line);
  font-family: "SFMono-Regular", Consolas, monospace;
  font-size: 7px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.observation-drawer {
  position: fixed;
  z-index: 80;
  right: 0;
  bottom: 0;
  width: min(480px, calc(100vw - 20px));
  padding: 34px;
  color: var(--ink);
  background: var(--coral);
  border: 1px solid var(--ink);
  box-shadow:
    -14px -14px 0 rgba(41, 40, 36, 0.12),
    0 24px 55px rgba(54, 47, 39, 0.2);
  transform: translate(110%, 110%);
  transition: transform 600ms var(--ease);
}

.observation-drawer.is-open {
  transform: translate(0, 0);
}

.observation-drawer > button {
  position: absolute;
  top: 20px;
  right: 20px;
  width: 30px;
  height: 30px;
  display: grid;
  place-items: center;
  border: 1px solid currentColor;
  background: transparent;
  border-radius: 50%;
  cursor: pointer;
  font-size: 20px;
}

.drawer-label,
.observation-drawer small {
  font-family: "SFMono-Regular", Consolas, monospace;
  font-size: 7px;
  line-height: 1.4;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.drawer-label b {
  font-weight: 400;
}

.observation-drawer p {
  margin: 55px 0 28px;
  font-family: Georgia, serif;
  font-size: clamp(28px, 3vw, 45px);
  line-height: 1.02;
  letter-spacing: -0.035em;
}

.observation-drawer small {
  display: block;
  padding-top: 16px;
  border-top: 1px solid currentColor;
}

.orientation-note,
.noscript {
  display: none;
}

@media (max-width: 900px) {
  .site-header {
    grid-template-columns: 1fr auto;
  }

  .coordinates {
    display: none;
  }

  .scene {
    padding-inline: 7vw;
  }

  .scene-card {
    width: min(560px, 67vw);
  }

  .hero-deck {
    margin-left: 15vw;
  }
}

@media (max-width: 680px) {
  .site-header {
    height: 58px;
    padding: 0 16px;
  }

  .identity small {
    display: none;
  }

  .random-observation {
    gap: 12px;
    font-size: 6px;
  }

  .chapter-rail {
    top: auto;
    right: 18px;
    bottom: 18px;
    flex-direction: row;
    gap: 10px;
    padding: 10px 12px;
    background: rgba(235, 231, 223, 0.84);
    border: 1px solid var(--line);
    backdrop-filter: blur(8px);
    transform: none;
  }

  .chapter-rail a {
    display: block;
    min-height: auto;
  }

  .chapter-rail a::after {
    display: block;
  }

  .chapter-rail span,
  .chapter-rail b {
    display: none;
  }

  .progress {
    bottom: 18px;
    left: 18px;
    height: 70px;
  }

  .progress span {
    bottom: 78px;
    left: -5px;
  }

  .scene {
    min-height: 135vh;
    padding: 88px 18px 70px;
  }

  .scene-arrival {
    min-height: 170vh;
  }

  .hero-copy {
    top: 15vh;
  }

  .hero-copy h1 {
    font-size: 20vw;
    line-height: 0.8;
  }

  .hero-copy h1 span {
    font-size: 0.37em;
  }

  .hero-deck {
    display: block;
    margin: 35px 0 0;
  }

  .hero-deck p {
    max-width: 310px;
    font-size: 18px;
  }

  .hero-deck .placeholder-flag {
    margin-top: 20px;
  }

  .hero-seal {
    display: none;
  }

  .scroll-instruction {
    top: calc(100vh - 90px);
    right: 18px;
  }

  .scene-card {
    top: 14vh;
    width: 100%;
    max-width: 390px;
    padding: 24px;
    box-shadow: 9px 10px 0 rgba(11, 20, 33, 0.3);
  }

  .align-left {
    margin-right: auto;
  }

  .align-right {
    margin-left: auto;
  }

  .scene-card .eyebrow {
    max-width: 210px;
    margin-bottom: 42px;
  }

  .scene-card h2 {
    font-size: 10.5vw;
  }

  .scene-number {
    top: 24px;
    right: 24px;
  }

  .mini-index dt {
    font-size: 12px;
  }

  .opinion-card blockquote {
    font-size: 10.5vw;
  }

  .monograph-card {
    width: 100%;
    padding: 27px 22px;
    transform: rotate(-0.8deg);
  }

  .monograph-card h2 {
    font-size: 11.5vw;
  }

  .final-index {
    grid-template-columns: 96px 1fr;
  }

  .final-index > span {
    font-size: 46px;
  }

  .final-index p {
    font-size: 13px;
  }

  .exit-copy {
    top: 22vh;
  }

  .exit-copy h2 {
    font-size: 15vw;
  }

  .exit-actions {
    flex-direction: column;
    align-items: center;
    gap: 12px;
  }

  .scene-exit footer {
    flex-direction: column;
    gap: 8px;
    padding-bottom: 80px;
  }

  .observation-drawer {
    width: calc(100vw - 12px);
    padding: 28px 24px;
  }
}

@media (orientation: landscape) and (max-height: 500px) and (max-width: 900px) {
  .orientation-note {
    position: fixed;
    z-index: 90;
    inset: 0;
    display: grid;
    place-content: center;
    color: var(--night);
    background: var(--paper);
    text-align: center;
  }

  .orientation-note span {
    font-family: Georgia, serif;
    font-size: 34px;
  }

  .orientation-note p {
    font-size: 10px;
    letter-spacing: 0.1em;
    text-transform: uppercase;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}