:root {
  --ink: #061113;
  --ink-soft: #0b1a1d;
  --paper: #e8e5dc;
  --paper-dim: #aaa9a2;
  --line: rgba(232, 229, 220, 0.22);
  --signal: #ff4d2e;
  --chapter-color: #a8d4bd;
  --gutter: clamp(1.1rem, 3vw, 3rem);
  --header-h: 5.2rem;
  --ease: cubic-bezier(.22, 1, .36, 1);
}

* { box-sizing: border-box; }

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

body {
  margin: 0;
  color: var(--paper);
  background: var(--ink);
  font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
  font-size: 16px;
  line-height: 1.45;
  overflow-x: hidden;
}

body.viewer-open { overflow: hidden; }

button, a { color: inherit; }
button { font: inherit; }
a { text-decoration: none; }
img { display: block; max-width: 100%; }

::selection {
  color: var(--ink);
  background: var(--paper);
}

.intro-sequence { display: none; }

.intro-pending .intro-sequence {
  position: fixed;
  z-index: 500;
  inset: 0;
  display: block;
  overflow: hidden;
  color: var(--paper);
  pointer-events: none;
  animation: intro-vanish .45s ease forwards 2.75s;
}

.intro-shutter {
  position: absolute;
  right: 0;
  left: 0;
  height: 51%;
  background: #02090a;
  will-change: transform;
}

.intro-shutter::after {
  content: "";
  position: absolute;
  right: 0;
  left: 0;
  height: 1px;
  background: rgba(222,238,232,.3);
}

.intro-shutter-top {
  top: 0;
  animation: shutter-open-top 1.45s var(--ease) forwards 1.05s;
}
.intro-shutter-top::after { bottom: 0; }
.intro-shutter-bottom {
  bottom: 0;
  animation: shutter-open-bottom 1.45s var(--ease) forwards 1.05s;
}
.intro-shutter-bottom::after { top: 0; }

.intro-lock {
  position: absolute;
  z-index: 3;
  top: 50%;
  left: 50%;
  display: grid;
  justify-items: center;
  width: min(28rem, 78vw);
  transform: translate(-50%, -50%);
  animation: lock-release .42s ease forwards .9s;
}

.intro-lock > span,
.intro-lock em {
  font-size: .56rem;
  font-style: normal;
  font-weight: 600;
  letter-spacing: .16em;
  text-transform: uppercase;
}

.intro-lock > span { color: rgba(232,229,220,.55); }
.intro-lock strong {
  margin: .8rem 0 .5rem;
  font-size: clamp(3.5rem, 9vw, 8rem);
  line-height: .8;
  letter-spacing: -.09em;
}
.intro-lock strong span { color: var(--signal); }
.intro-lock i {
  position: relative;
  width: 100%;
  height: 1px;
  margin: 1rem 0;
  overflow: hidden;
  background: rgba(232,229,220,.2);
}
.intro-lock i::after {
  content: "";
  position: absolute;
  inset: 0;
  background: var(--signal);
  transform: translateX(-100%);
  animation: intro-load 1s var(--ease) forwards .12s;
}
.intro-lock em { color: var(--signal); }

.intro-scan {
  position: absolute;
  z-index: 4;
  top: 0;
  bottom: 0;
  left: 50%;
  width: 1px;
  background: linear-gradient(transparent, rgba(255,255,255,.9), transparent);
  opacity: 0;
  animation: intro-scan 1.15s ease-in-out forwards .95s;
}

.intro-coordinates {
  position: absolute;
  z-index: 3;
  right: var(--gutter);
  bottom: 1.5rem;
  left: var(--gutter);
  display: flex;
  justify-content: space-between;
  color: rgba(232,229,220,.42);
  font-size: .48rem;
  font-weight: 600;
  letter-spacing: .12em;
  animation: intro-fade-out .35s ease forwards .9s;
}

.intro-pending .hero-media img { animation: hero-image-arrival 2.2s var(--ease) both .85s; }
.intro-pending .hero h1 span { animation: hero-line-arrival 1.25s var(--ease) both 1.55s; }
.intro-pending .hero h1 span:last-child { animation-delay: 1.7s; }
.intro-pending .hero .eyebrow { animation: hero-detail-arrival .8s var(--ease) both 1.9s; }
.intro-pending .hero-bottom { animation: hero-detail-arrival .9s var(--ease) both 2.05s; }
.intro-pending .scroll-cue { animation: hero-detail-arrival .8s var(--ease) both 2.25s; }
.intro-pending .site-header { animation: hero-detail-arrival .8s var(--ease) both 2.15s; }
.intro-pending .hero-grid { animation: grid-arrival 1.4s ease both 1.35s; }

@keyframes intro-load { to { transform: translateX(0); } }
@keyframes shutter-open-top { to { transform: translateY(-101%); } }
@keyframes shutter-open-bottom { to { transform: translateY(101%); } }
@keyframes lock-release { to { opacity: 0; filter: blur(.4rem); transform: translate(-50%, -50%) scale(1.06); } }
@keyframes intro-fade-out { to { opacity: 0; } }
@keyframes intro-scan {
  0% { left: 8%; opacity: 0; }
  12% { opacity: .8; }
  88% { opacity: .8; }
  100% { left: 92%; opacity: 0; }
}
@keyframes intro-vanish { to { visibility: hidden; opacity: 0; } }
@keyframes hero-image-arrival {
  from { transform: scale(1.18); filter: saturate(.25) brightness(.55); }
  to { transform: scale(1); filter: saturate(1) brightness(1); }
}
@keyframes hero-line-arrival {
  from { opacity: 0; transform: translateY(1em); clip-path: inset(0 0 100% 0); }
  to { opacity: 1; transform: translateY(0); clip-path: inset(0); }
}
@keyframes hero-detail-arrival {
  from { opacity: 0; transform: translateY(1.2rem); }
  to { opacity: 1; transform: translateY(0); }
}
@keyframes grid-arrival { from { opacity: 0; } to { opacity: .18; } }

.skip-link {
  position: fixed;
  z-index: 1000;
  top: .75rem;
  left: .75rem;
  padding: .65rem 1rem;
  color: var(--ink);
  background: var(--paper);
  transform: translateY(-150%);
}

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

.scroll-progress {
  position: fixed;
  z-index: 200;
  top: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background: rgba(255, 255, 255, .1);
}

.scroll-progress span {
  display: block;
  width: 100%;
  height: 100%;
  background: var(--signal);
  transform: scaleX(0);
  transform-origin: left;
}

.site-header {
  position: fixed;
  z-index: 100;
  top: 0;
  left: 0;
  display: grid;
  grid-template-columns: minmax(12rem, 1fr) auto minmax(8rem, 1fr);
  align-items: center;
  width: 100%;
  min-height: var(--header-h);
  padding: 0 var(--gutter);
  border-bottom: 1px solid transparent;
  transition: background .45s ease, border-color .45s ease, min-height .45s ease;
}

.site-header.is-scrolled {
  min-height: 4.2rem;
  background: rgba(6, 17, 19, .88);
  border-color: var(--line);
  backdrop-filter: blur(18px);
}

.brand {
  display: inline-flex;
  align-items: center;
  justify-self: start;
  gap: .8rem;
  width: fit-content;
}

.brand-mark {
  font-size: .85rem;
  font-weight: 700;
  letter-spacing: -.04em;
}

.brand-mark span { color: var(--signal); }

.brand-name {
  font-size: .58rem;
  font-weight: 600;
  line-height: 1.05;
  letter-spacing: .08em;
  text-transform: uppercase;
}

.chapter-nav {
  display: flex;
  align-items: center;
  gap: clamp(1rem, 2.5vw, 2.8rem);
}

.chapter-nav a {
  position: relative;
  color: rgba(232, 229, 220, .6);
  font-size: .68rem;
  font-weight: 600;
  letter-spacing: .08em;
  text-transform: uppercase;
  transition: color .25s ease;
}

.chapter-nav a span {
  margin-right: .35rem;
  color: rgba(232, 229, 220, .3);
}

.chapter-nav a::after {
  content: "";
  position: absolute;
  right: 0;
  bottom: -.55rem;
  left: 0;
  height: 1px;
  background: var(--chapter-color);
  transform: scaleX(0);
  transition: transform .35s var(--ease);
}

.chapter-nav a:hover,
.chapter-nav a.is-active { color: var(--paper); }
.chapter-nav a.is-active::after { transform: scaleX(1); }

.header-actions {
  display: flex;
  align-items: center;
  justify-self: end;
  gap: 1rem;
}

.text-button {
  font-size: .68rem;
  font-weight: 600;
  letter-spacing: .1em;
  text-transform: uppercase;
}

.round-button {
  display: grid;
  place-items: center;
  width: 2.25rem;
  height: 2.25rem;
  padding: 0;
  border: 1px solid rgba(232, 229, 220, .4);
  border-radius: 50%;
  background: transparent;
  cursor: pointer;
  transition: color .25s ease, background .25s ease, transform .25s ease;
}

.round-button:hover {
  color: var(--ink);
  background: var(--paper);
  transform: rotate(45deg);
}

.hero {
  position: relative;
  min-height: 100svh;
  overflow: hidden;
  background: #162323;
}

.hero-media,
.hero-wash,
.hero-grid {
  position: absolute;
  inset: 0;
}

.hero-media {
  transform: scale(1.03);
  will-change: transform;
}

.hero-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center center;
}

.hero-wash {
  background:
    linear-gradient(180deg, rgba(2, 9, 10, .64) 0%, transparent 34%, transparent 55%, rgba(2, 9, 10, .86) 100%),
    linear-gradient(90deg, rgba(2, 9, 10, .46), transparent 60%);
}

.hero-grid {
  opacity: .18;
  background-image:
    linear-gradient(to right, transparent calc(100% - 1px), rgba(255,255,255,.35) 1px),
    linear-gradient(to bottom, transparent calc(100% - 1px), rgba(255,255,255,.18) 1px);
  background-size: 25% 100%, 100% 25%;
}

.hero-content {
  position: relative;
  z-index: 2;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  min-height: 100svh;
  padding: calc(var(--header-h) + 5rem) var(--gutter) clamp(5.5rem, 9vh, 8rem);
}

.eyebrow {
  margin: 0;
  font-size: .68rem;
  font-weight: 600;
  letter-spacing: .16em;
  text-transform: uppercase;
}

.hero .eyebrow {
  position: absolute;
  top: calc(var(--header-h) + clamp(3rem, 8vh, 7rem));
  left: var(--gutter);
}

.hero h1 {
  margin: 0 0 2rem;
  font-size: clamp(4rem, 10.8vw, 10.5rem);
  font-weight: 400;
  line-height: .78;
  letter-spacing: -.075em;
}

.hero h1 span { display: block; }
.hero h1 span:last-child { margin-left: 8vw; }

.hero-bottom {
  display: grid;
  grid-template-columns: minmax(20rem, .85fr) 1.15fr;
  align-items: end;
  gap: clamp(3rem, 12vw, 12rem);
  margin-left: 8vw;
}

.hero-intro {
  max-width: 34rem;
  margin: 0;
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(1.05rem, 1.6vw, 1.45rem);
  line-height: 1.35;
}

.hero-data {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  margin: 0;
  padding-top: 1rem;
  border-top: 1px solid rgba(255,255,255,.45);
}

.hero-data div { display: grid; gap: .2rem; }
.hero-data dt {
  color: rgba(255,255,255,.55);
  font-size: .58rem;
  letter-spacing: .12em;
  text-transform: uppercase;
}
.hero-data dd {
  margin: 0;
  font-size: .72rem;
  font-weight: 600;
  letter-spacing: .04em;
  text-transform: uppercase;
}

.scroll-cue {
  position: absolute;
  z-index: 3;
  right: var(--gutter);
  bottom: 1.8rem;
  display: flex;
  align-items: center;
  gap: .8rem;
  font-size: .62rem;
  letter-spacing: .12em;
  text-transform: uppercase;
}

.scroll-cue i {
  position: relative;
  display: block;
  width: 1px;
  height: 2.4rem;
  overflow: hidden;
  background: rgba(255,255,255,.35);
}

.scroll-cue i::after {
  content: "";
  position: absolute;
  inset: 0;
  background: var(--paper);
  animation: descend 1.9s ease-in-out infinite;
}

@keyframes descend {
  from { transform: translateY(-100%); }
  to { transform: translateY(100%); }
}

.section-pad { padding: clamp(6rem, 12vw, 12rem) var(--gutter); }

.prologue {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  display: grid;
  grid-template-columns: 1fr 2.4fr;
  grid-template-rows: auto 1fr auto;
  column-gap: 8vw;
  min-height: 100svh;
  background: var(--paper);
  color: var(--ink);
}

.prologue::before {
  content: "";
  position: absolute;
  z-index: -2;
  inset: 0;
  opacity: .34;
  background-image:
    linear-gradient(rgba(6,17,19,.12) 1px, transparent 1px),
    linear-gradient(90deg, rgba(6,17,19,.12) 1px, transparent 1px);
  background-size: 8vw 8vw;
  mask-image: linear-gradient(90deg, #000, transparent 66%);
}

.prologue::after {
  content: "";
  position: absolute;
  z-index: -1;
  top: 12%;
  left: 14%;
  width: 38vw;
  aspect-ratio: 1;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255,77,46,.1), transparent 63%);
  transform: translate(-50%, -50%);
}

.prologue-label {
  grid-column: 1;
  grid-row: 1;
  display: flex;
  flex-direction: column;
  gap: .25rem;
  padding-top: .65rem;
  font-size: .65rem;
  font-weight: 600;
  letter-spacing: .12em;
  text-transform: uppercase;
}

.prologue-label span:last-child { color: rgba(6,17,19,.48); }

.prologue-route {
  position: absolute;
  z-index: -1;
  inset: 0;
  pointer-events: none;
}

.prologue-route span {
  position: absolute;
  top: 67%;
  left: -8%;
  width: 64%;
  height: 1px;
  overflow: hidden;
  background: rgba(6,17,19,.22);
  transform: rotate(-21deg);
}

.prologue-route span::after {
  content: "";
  position: absolute;
  inset: 0;
  background: var(--signal);
  transform: translateX(-100%);
  animation: survey-route 4.5s var(--ease) infinite;
}

.prologue-route i {
  position: absolute;
  width: .55rem;
  height: .55rem;
  border: 1px solid rgba(6,17,19,.5);
  border-radius: 50%;
  background: var(--paper);
}
.prologue-route i:nth-of-type(1) { top: 75%; left: 7%; }
.prologue-route i:nth-of-type(2) { top: 65%; left: 21%; }
.prologue-route i:nth-of-type(3) { top: 53%; left: 36%; }
.prologue-route i:nth-of-type(4) { top: 44%; left: 49%; border-color: var(--signal); box-shadow: 0 0 0 .35rem rgba(255,77,46,.1); }

@keyframes survey-route { 0%, 15% { transform: translateX(-100%); } 70%, 100% { transform: translateX(100%); } }

.prologue-instrument {
  grid-column: 1;
  grid-row: 2 / span 2;
  align-self: end;
  width: min(22vw, 19rem);
  margin-top: 4rem;
}

.survey-disc {
  position: relative;
  display: grid;
  place-items: center;
  width: 100%;
  aspect-ratio: 1;
  border: 1px solid rgba(6,17,19,.45);
  border-radius: 44% 56% 49% 51%;
  animation: survey-rotate 22s linear infinite;
}

.survey-disc::before,
.survey-disc::after,
.survey-disc span,
.survey-disc i {
  content: "";
  position: absolute;
  border: 1px solid rgba(6,17,19,.22);
  border-radius: 50%;
}
.survey-disc::before { inset: 11%; border-style: dashed; transform: rotate(27deg); }
.survey-disc::after { inset: 27%; border-color: var(--signal); border-radius: 47% 53% 60% 40%; }
.survey-disc span { inset: 38% -15%; transform: rotate(-13deg); }
.survey-disc i { inset: -13% 35%; transform: rotate(41deg); }
.survey-disc b {
  position: relative;
  z-index: 2;
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(1.5rem, 3vw, 2.8rem);
  font-weight: 400;
  transform: rotate(-18deg);
}

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

.instrument-readout {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: .3rem 1rem;
  margin-top: 1rem;
  padding-top: .7rem;
  border-top: 1px solid rgba(6,17,19,.3);
  color: rgba(6,17,19,.5);
  font-size: .48rem;
  font-weight: 600;
  letter-spacing: .1em;
}
.instrument-readout span:last-child { grid-column: 1 / -1; color: var(--signal); }

.prologue-copy > p:first-child {
  max-width: 64rem;
  margin: 0;
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(2.2rem, 5vw, 5.2rem);
  line-height: 1.04;
  letter-spacing: -.035em;
}

.prologue-copy {
  grid-column: 2;
  grid-row: 1 / span 2;
  position: relative;
}

.prologue-word {
  display: inline-block;
  opacity: .08;
  filter: blur(.25rem);
  transform: translateY(.45em);
}

.prologue-copy.is-visible .prologue-word {
  animation: word-resolve .8s var(--ease) forwards;
  animation-delay: calc(var(--word-index) * 32ms);
}

@keyframes word-resolve {
  to { opacity: 1; filter: blur(0); transform: translateY(0); }
}

.prologue-small {
  max-width: 28rem;
  margin: 3rem 0 0 auto;
  color: rgba(6,17,19,.68);
  font-size: .88rem;
}

.prologue-stats {
  position: relative;
  grid-column: 2;
  grid-row: 3;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  margin-top: clamp(5rem, 10vw, 10rem);
  border-top: 1px solid rgba(6,17,19,.25);
}

.prologue-stats div {
  position: relative;
  display: flex;
  align-items: baseline;
  gap: .8rem;
  padding: 1rem 0;
  border-right: 1px solid rgba(6,17,19,.2);
  transition: color .3s ease, background .3s ease, padding .35s var(--ease);
}

.prologue-stats div:hover {
  padding-right: 1rem;
  padding-left: 1rem;
  color: var(--signal);
  background: rgba(6,17,19,.035);
}

.prologue-stats div:not(:first-child) { padding-left: 1rem; }
.prologue-stats div:last-child { border-right: 0; }
.prologue-stats strong {
  font-size: clamp(1.7rem, 3vw, 3rem);
  font-weight: 400;
  letter-spacing: -.05em;
}
.prologue-stats span {
  color: rgba(6,17,19,.55);
  font-size: .6rem;
  letter-spacing: .1em;
  text-transform: uppercase;
}

.atlas-map {
  position: relative;
  overflow: hidden;
  background:
    radial-gradient(circle at 20% 50%, rgba(36, 102, 91, .16), transparent 38%),
    linear-gradient(180deg, #071315, #091a1c);
}

.atlas-map::before {
  content: "";
  position: absolute;
  inset: 0;
  opacity: .13;
  background-image:
    linear-gradient(rgba(180, 223, 209, .18) 1px, transparent 1px),
    linear-gradient(90deg, rgba(180, 223, 209, .18) 1px, transparent 1px);
  background-size: 5vw 5vw;
  pointer-events: none;
}

.map-heading,
.map-shell { position: relative; z-index: 1; }

.map-heading {
  display: grid;
  grid-template-columns: 1.4fr .6fr;
  align-items: end;
  gap: clamp(3rem, 8vw, 9rem);
  margin-bottom: clamp(4rem, 7vw, 7rem);
}

.map-heading h2 {
  margin: .9rem 0 0;
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(4.5rem, 10.5vw, 10.5rem);
  font-weight: 400;
  line-height: .75;
  letter-spacing: -.065em;
}

.map-introduction > p {
  max-width: 28rem;
  margin: 0;
  color: var(--paper-dim);
  font-size: .86rem;
}

.map-legend {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: .55rem 1rem;
  margin-top: 2rem;
  padding-top: 1rem;
  border-top: 1px solid var(--line);
}

.map-legend span {
  display: flex;
  align-items: center;
  gap: .55rem;
  font-size: .58rem;
  font-weight: 600;
  letter-spacing: .1em;
  text-transform: uppercase;
}

.map-legend span::before {
  content: "";
  width: .48rem;
  height: .48rem;
  border-radius: 50%;
  background: #a8d4bd;
  box-shadow: 0 0 0 3px rgba(168,212,189,.12);
}

.map-legend [data-legend="sand"]::before { background: #e1bd8b; box-shadow: 0 0 0 3px rgba(225,189,139,.12); }
.map-legend [data-legend="signal"]::before { background: #ff5a36; box-shadow: 0 0 0 3px rgba(255,90,54,.12); }
.map-legend [data-legend="pale"]::before { background: #d6dce0; box-shadow: 0 0 0 3px rgba(214,220,224,.12); }

.map-shell {
  display: grid;
  grid-template-columns: minmax(0, 2.25fr) minmax(17rem, .75fr);
  min-height: min(45rem, 74vw);
  border: 1px solid rgba(190, 221, 214, .24);
  background: rgba(4, 13, 15, .58);
}

.map-stage {
  position: relative;
  min-width: 0;
  min-height: 34rem;
  overflow: hidden;
  border-right: 1px solid rgba(190, 221, 214, .24);
  background:
    radial-gradient(ellipse at center, rgba(37,85,79,.3), transparent 65%),
    rgba(5,16,18,.75);
}

.map-canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  opacity: .95;
}

.map-stage::before,
.map-stage::after {
  content: "";
  position: absolute;
  z-index: 1;
  pointer-events: none;
}

.map-stage::before {
  inset: 0;
  opacity: .26;
  background:
    repeating-linear-gradient(112deg, transparent 0, transparent 3.2rem, rgba(174,215,204,.09) calc(3.2rem + 1px)),
    radial-gradient(circle at 50% 50%, transparent 0 12%, rgba(4,13,15,.85) 12.3% 16%, transparent 16.3%);
}

.map-stage::after {
  top: 50%;
  left: 50%;
  width: 78%;
  height: 52%;
  border: 1px dashed rgba(188,224,214,.15);
  clip-path: polygon(0 12%, 36% 0, 100% 27%, 83% 100%, 17% 83%);
  transform: translate(-50%, -50%) rotate(-8deg);
}

.map-anomaly {
  position: absolute;
  z-index: 5;
  top: 50%;
  left: 50%;
  display: grid;
  place-items: center;
  width: clamp(5rem, 10vw, 8rem);
  aspect-ratio: 1;
  border: 1px solid rgba(221,238,231,.35);
  border-radius: 48% 52% 57% 43%;
  background: #020708;
  box-shadow: 0 0 3rem rgba(0,0,0,.9), inset 0 0 1.5rem rgba(121,170,156,.09);
  transform: translate(-50%, -50%) rotate(19deg);
}

.map-anomaly::before,
.map-anomaly::after,
.map-anomaly i {
  content: "";
  position: absolute;
  border: 1px solid rgba(177,218,207,.2);
  border-radius: 43% 57% 50% 50%;
}

.map-anomaly::before { inset: -27%; transform: rotate(34deg); }
.map-anomaly::after { inset: -58%; border-style: dashed; transform: rotate(-28deg); }
.map-anomaly i { inset: 20%; transform: rotate(47deg); }

.map-anomaly span {
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(1.4rem, 3vw, 2.6rem);
  transform: rotate(-19deg);
}

.map-anomaly em {
  position: absolute;
  top: calc(100% + 2.8rem);
  width: 9rem;
  color: rgba(198,224,217,.42);
  font-size: .45rem;
  font-style: normal;
  letter-spacing: .13em;
  text-align: center;
  text-transform: uppercase;
  transform: rotate(-19deg);
}

.field-label {
  position: absolute;
  z-index: 4;
  color: rgba(217,236,229,.46);
  font-size: .47rem;
  font-weight: 600;
  letter-spacing: .12em;
  text-transform: uppercase;
  pointer-events: none;
}

.field-label span { margin-right: .35rem; color: var(--paper); }
.field-label-a { top: 8%; left: 11%; transform: rotate(-7deg); }
.field-label-b { top: 12%; right: 12%; transform: rotate(5deg); }
.field-label-c { right: 9%; bottom: 10%; transform: rotate(-5deg); }
.field-label-d { bottom: 9%; left: 12%; transform: rotate(7deg); }

.map-points { position: absolute; z-index: 6; inset: 0; }

.map-point {
  --point-color: #a8d4bd;
  position: absolute;
  z-index: 3;
  top: var(--y);
  left: var(--x);
  width: .72rem;
  height: .72rem;
  padding: 0;
  border: 2px solid #071315;
  border-radius: 50%;
  background: var(--point-color);
  box-shadow: 0 0 0 1px var(--point-color), 0 0 .9rem rgba(168,212,189,.38);
  transform: translate(-50%, -50%);
  cursor: pointer;
  transition: width .3s var(--ease), height .3s var(--ease), box-shadow .3s ease, z-index 0s;
}

.map-point[data-tone="sand"] { --point-color: #e1bd8b; }
.map-point[data-tone="signal"] { --point-color: #ff5a36; }
.map-point[data-tone="pale"] { --point-color: #d6dce0; }

.map-point::before {
  content: "";
  position: absolute;
  inset: -.55rem;
  border: 1px solid var(--point-color);
  border-radius: 50%;
  opacity: .25;
  animation: map-pulse 3.8s ease-out infinite;
}

.map-point span {
  position: absolute;
  bottom: calc(100% + .65rem);
  left: 50%;
  padding: .25rem .4rem;
  color: var(--paper);
  background: rgba(3,10,11,.86);
  font-size: .52rem;
  font-weight: 700;
  letter-spacing: .08em;
  opacity: 0;
  pointer-events: none;
  transform: translate(-50%, .3rem);
  transition: opacity .25s ease, transform .25s ease;
}

.map-point:hover,
.map-point:focus-visible,
.map-point.is-active {
  z-index: 8;
  width: 1rem;
  height: 1rem;
  box-shadow: 0 0 0 1px var(--point-color), 0 0 1.6rem var(--point-color);
}

.map-point:hover span,
.map-point:focus-visible span,
.map-point.is-active span {
  opacity: 1;
  transform: translate(-50%, 0);
}

@keyframes map-pulse {
  0% { opacity: .38; transform: scale(.45); }
  75%, 100% { opacity: 0; transform: scale(1.4); }
}

.map-calibration {
  position: absolute;
  z-index: 5;
  right: 1rem;
  bottom: 2.2rem;
  display: grid;
  grid-template-columns: auto 4.5rem auto;
  align-items: center;
  gap: .5rem;
  color: rgba(190,221,214,.35);
  font-size: .43rem;
  letter-spacing: .1em;
}

.map-calibration i {
  position: relative;
  height: 1px;
  background: rgba(190,221,214,.22);
}

.map-calibration i::before,
.map-calibration i::after {
  content: "";
  position: absolute;
  top: -.18rem;
  width: 1px;
  height: .4rem;
  background: rgba(190,221,214,.4);
}
.map-calibration i::before { left: 25%; }
.map-calibration i::after { left: 67%; }

.map-caption {
  position: absolute;
  right: 1rem;
  bottom: .7rem;
  margin: 0;
  color: rgba(190,221,214,.35);
  font-size: .48rem;
  letter-spacing: .11em;
  text-transform: uppercase;
}

.map-preview {
  display: flex;
  flex-direction: column;
  min-width: 0;
  padding: 1rem;
  background: rgba(7, 20, 22, .84);
}

.map-preview-image {
  aspect-ratio: 16 / 11;
  overflow: hidden;
  background: #122326;
}

.map-preview-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: .75;
  transform: scale(1.05);
  transition: opacity .55s ease, transform .8s var(--ease);
}

.map-preview.is-updated .map-preview-image img { opacity: 1; transform: scale(1); }

.map-preview-top {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  margin-top: .8rem;
  padding-bottom: .7rem;
  border-bottom: 1px solid var(--line);
  color: rgba(232,229,220,.55);
  font-size: .5rem;
  font-weight: 600;
  letter-spacing: .08em;
  text-transform: uppercase;
}

.map-preview-copy { padding: clamp(1.6rem, 3vw, 3rem) 0; }
.map-preview-copy > p:first-child {
  margin: 0 0 .8rem;
  color: #a8d4bd;
  font-size: .58rem;
  font-weight: 600;
  letter-spacing: .1em;
  text-transform: uppercase;
}
.map-preview[data-tone="sand"] .map-preview-copy > p:first-child { color: #e1bd8b; }
.map-preview[data-tone="signal"] .map-preview-copy > p:first-child { color: #ff5a36; }
.map-preview[data-tone="pale"] .map-preview-copy > p:first-child { color: #d6dce0; }
.map-preview-copy h3 {
  margin: 0;
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(2rem, 3vw, 3.3rem);
  font-weight: 400;
  line-height: .93;
  letter-spacing: -.045em;
}
.map-preview-copy > p:last-child {
  margin: 1.2rem 0 0;
  color: var(--paper-dim);
  font-size: clamp(.88rem, 1vw, 1rem);
  line-height: 1.5;
}

.map-preview > button {
  display: flex;
  justify-content: space-between;
  width: 100%;
  margin-top: auto;
  padding: .8rem 0;
  border: 0;
  border-top: 1px solid var(--line);
  background: transparent;
  font-size: .58rem;
  font-weight: 600;
  letter-spacing: .11em;
  text-transform: uppercase;
  cursor: pointer;
  transition: color .25s ease, padding .3s var(--ease);
}

.map-preview > button:hover { padding-right: .5rem; padding-left: .5rem; color: #a8d4bd; }
.map-preview[data-tone="sand"] > button:hover { color: #e1bd8b; }
.map-preview[data-tone="signal"] > button:hover { color: #ff5a36; }
.map-preview[data-tone="pale"] > button:hover { color: #d6dce0; }

.territory-transition {
  position: relative;
  height: 210svh;
  background: #020607;
}

.transition-stage {
  --breach-opacity: 0;
  --a-x: -28vw;
  --a-y: 5vh;
  --a-r: -12deg;
  --a-s: .72;
  --b-x: 24vw;
  --b-y: -8vh;
  --b-r: 9deg;
  --b-s: .65;
  --c-x: 0vw;
  --c-y: 22vh;
  --c-r: -5deg;
  --c-s: .55;
  --orbit-r: 0deg;
  --orbit-r-neg: 0deg;
  --title-opacity: 0;
  --title-y: 5rem;
  --breach-progress: 0%;
  position: sticky;
  top: 0;
  width: 100%;
  height: 100svh;
  overflow: hidden;
  background:
    radial-gradient(circle at 50% 45%, rgba(225,189,139,.13), transparent 22%),
    #070706;
}

.territory-transition[data-tone="signal"] .transition-stage {
  background: radial-gradient(circle at 50% 48%, rgba(255,45,18,.25), transparent 23%), #080405;
}

.territory-transition[data-tone="pale"] .transition-stage {
  background: radial-gradient(circle at 50% 47%, rgba(158,184,196,.17), transparent 26%), #05090c;
}

.breach-field {
  position: absolute;
  inset: 0;
  isolation: isolate;
}

.breach-field::before {
  content: "";
  position: absolute;
  z-index: 5;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(255,255,255,.08) 1px, transparent 1px),
    linear-gradient(rgba(255,255,255,.06) 1px, transparent 1px);
  background-size: 12.5vw 100%, 100% 12.5vh;
  opacity: .22;
  pointer-events: none;
}

.breach-window {
  position: absolute;
  z-index: 2;
  margin: 0;
  overflow: hidden;
  border: 1px solid rgba(255,255,255,.28);
  background: #0b1112;
  box-shadow: 0 2rem 6rem rgba(0,0,0,.5);
  opacity: var(--breach-opacity);
  will-change: transform, opacity;
}

.breach-window img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transform: scale(1.06);
}

.breach-window-a { transform: translate3d(var(--a-x), var(--a-y), 0) rotate(var(--a-r)) scale(var(--a-s)); }
.breach-window-b { transform: translate3d(var(--b-x), var(--b-y), 0) rotate(var(--b-r)) scale(var(--b-s)); }
.breach-window-c { transform: translate3d(var(--c-x), var(--c-y), 0) rotate(var(--c-r)) scale(var(--c-s)); }

[data-form="traces"] .breach-window-a {
  top: 9vh;
  left: 7vw;
  width: 58vw;
  height: 76vh;
  clip-path: polygon(0 0, 100% 0, 72% 100%, 13% 100%);
}
[data-form="traces"] .breach-window-b {
  top: 15vh;
  right: 6vw;
  width: 27vw;
  height: 50vh;
  clip-path: polygon(17% 0, 100% 8%, 82% 100%, 0 86%);
}
[data-form="traces"] .breach-window-c {
  right: 11vw;
  bottom: 6vh;
  width: 41vw;
  height: 23vh;
  clip-path: polygon(0 0, 100% 18%, 93% 100%, 7% 78%);
}
[data-form="traces"] .breach-window-b img { filter: sepia(.35) saturate(.8); }

[data-form="signals"] .breach-window-a {
  top: 8vh;
  left: calc(50% - 33vh);
  width: 66vh;
  height: 66vh;
  border-radius: 50%;
  box-shadow: 0 0 0 1.2rem rgba(255,67,36,.06), 0 0 8rem rgba(255,52,26,.18);
}
[data-form="signals"] .breach-window-b {
  top: 41vh;
  left: 6vw;
  width: 88vw;
  height: 17vh;
  clip-path: polygon(0 15%, 100% 0, 96% 83%, 4% 100%);
  mix-blend-mode: screen;
}
[data-form="signals"] .breach-window-c {
  right: 8vw;
  bottom: 6vh;
  width: 23vw;
  height: 42vh;
  border-radius: 50% 50% 4% 4%;
}
[data-form="signals"] .breach-window img { filter: saturate(1.35) contrast(1.06); }

[data-form="monuments"] .breach-window-a {
  top: 7vh;
  left: 28vw;
  width: 44vw;
  height: 80vh;
  clip-path: polygon(7% 0, 100% 0, 92% 100%, 0 100%);
}
[data-form="monuments"] .breach-window-b {
  top: 19vh;
  left: 5vw;
  width: 29vw;
  height: 38vh;
  clip-path: polygon(0 0, 88% 7%, 100% 93%, 11% 100%);
}
[data-form="monuments"] .breach-window-c {
  right: 5vw;
  bottom: 10vh;
  width: 27vw;
  height: 35vh;
  clip-path: polygon(12% 0, 100% 11%, 89% 100%, 0 86%);
}
[data-form="monuments"] .breach-window-b img,
[data-form="monuments"] .breach-window-c img { filter: grayscale(.55) contrast(1.08); }

.breach-orbit {
  position: absolute;
  z-index: 1;
  top: 50%;
  left: 50%;
  border: 1px solid var(--chapter-color, rgba(255,255,255,.35));
  border-radius: 50%;
  opacity: calc(.08 + var(--breach-opacity));
  transform: translate(-50%, -50%) rotate(var(--orbit-r));
  will-change: transform;
}

.breach-orbit::before,
.breach-orbit::after {
  content: "";
  position: absolute;
  width: .45rem;
  height: .45rem;
  border-radius: 50%;
  background: var(--chapter-color, var(--paper));
}
.breach-orbit::before { top: 7%; left: 19%; }
.breach-orbit::after { right: 9%; bottom: 19%; }
.breach-orbit-a { width: 74vw; height: 54vh; }
.breach-orbit-b { width: 44vw; height: 82vh; transform: translate(-50%, -50%) rotate(var(--orbit-r-neg)); }

.breach-core {
  position: absolute;
  z-index: 7;
  top: 50%;
  left: 50%;
  display: grid;
  place-items: center;
  width: clamp(4rem, 8vw, 7rem);
  aspect-ratio: 1;
  border: 1px solid var(--chapter-color, var(--paper));
  border-radius: 50%;
  background: rgba(2,7,8,.76);
  box-shadow: 0 0 4rem rgba(0,0,0,.65);
  opacity: var(--breach-opacity);
  transform: translate(-50%, -50%) rotate(var(--orbit-r));
  backdrop-filter: blur(10px);
}

.breach-core::before {
  content: "";
  position: absolute;
  inset: 18%;
  border: 1px dashed rgba(255,255,255,.35);
  border-radius: 50%;
}
.breach-core span { font-size: .68rem; font-weight: 700; letter-spacing: .12em; }
.breach-core i { position: absolute; width: 160%; height: 1px; background: var(--chapter-color, var(--paper)); transform: rotate(27deg); }

.transition-interface { position: absolute; z-index: 10; inset: 0; pointer-events: none; }

.transition-topline {
  position: absolute;
  top: calc(var(--header-h) + 1.5rem);
  right: var(--gutter);
  left: var(--gutter);
  display: flex;
  justify-content: space-between;
  padding-top: .7rem;
  border-top: 1px solid rgba(255,255,255,.35);
  font-size: .56rem;
  font-weight: 600;
  letter-spacing: .12em;
  text-transform: uppercase;
}

.transition-title {
  position: absolute;
  left: var(--gutter);
  bottom: 8vh;
  opacity: var(--title-opacity);
  transform: translateY(var(--title-y));
  will-change: transform, opacity;
}

.transition-title > p {
  margin: 0 0 1rem;
  color: var(--chapter-color, var(--signal));
  font-size: .62rem;
  font-weight: 600;
  letter-spacing: .14em;
  text-transform: uppercase;
}

.transition-title h2 {
  margin: 0;
  font-size: clamp(5rem, 15vw, 15rem);
  font-weight: 700;
  line-height: .64;
  letter-spacing: -.09em;
  text-transform: uppercase;
  text-shadow: 0 1rem 4rem rgba(0,0,0,.55);
}

.transition-title h2 sup {
  margin-left: .8rem;
  color: var(--chapter-color, var(--paper));
  font-size: .6rem;
  font-weight: 600;
  letter-spacing: .1em;
  vertical-align: top;
}

[data-form="traces"] .transition-title h2 { font-family: Georgia, "Times New Roman", serif; font-style: italic; font-weight: 400; text-transform: none; }
[data-form="signals"] .transition-title { right: var(--gutter); text-align: center; }
[data-form="signals"] .transition-title h2 { color: #ff5a36; font-family: "Arial Black", Arial, sans-serif; mix-blend-mode: screen; }
[data-form="monuments"] .transition-title { right: var(--gutter); text-align: right; }
[data-form="monuments"] .transition-title h2 { font-family: "Helvetica Neue", Helvetica, Arial, sans-serif; font-weight: 200; letter-spacing: -.1em; }

.transition-note {
  position: absolute;
  right: var(--gutter);
  top: 17vh;
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 2rem;
  width: min(34rem, 46vw);
  margin: 0;
  padding-top: .8rem;
  border-top: 1px solid rgba(255,255,255,.35);
  opacity: var(--title-opacity);
}

.transition-note span {
  color: var(--chapter-color, var(--paper));
  font-size: .55rem;
  font-weight: 600;
  letter-spacing: .1em;
  text-transform: uppercase;
}

.transition-note p {
  margin: 0;
  color: rgba(255,255,255,.78);
  font-size: clamp(.9rem, 1.05vw, 1.05rem);
  line-height: 1.5;
}

.territory-transition[data-tone="sand"],
.chapter[data-tone="sand"] { --chapter-color: #e1bd8b; }
.territory-transition[data-tone="signal"],
.chapter[data-tone="signal"] { --chapter-color: #ff5a36; }
.territory-transition[data-tone="pale"],
.chapter[data-tone="pale"] { --chapter-color: #d6dce0; }

.breach-progress {
  position: absolute;
  z-index: 12;
  top: 50%;
  right: 1.4rem;
  width: 1px;
  height: 62vh;
  background: rgba(255,255,255,.2);
  transform: translateY(-50%);
}

.breach-progress span {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: var(--breach-progress);
  background: var(--chapter-color, var(--signal));
}

.breach-progress i {
  position: absolute;
  top: var(--breach-progress);
  left: 50%;
  width: .5rem;
  height: .5rem;
  border: 1px solid var(--chapter-color, var(--paper));
  border-radius: 50%;
  background: #040809;
  transform: translate(-50%, -50%);
}

.chapter {
  --chapter-color: #a8d4bd;
  position: relative;
  isolation: isolate;
  overflow: hidden;
  padding: clamp(7rem, 12vw, 12rem) var(--gutter);
  background:
    radial-gradient(circle at 15% 8%, rgba(43,111,91,.22), transparent 28%),
    radial-gradient(circle at 80% 70%, rgba(16,79,75,.16), transparent 34%),
    #061514;
}

.chapter::before {
  content: "";
  position: absolute;
  z-index: -1;
  inset: 0;
  opacity: .2;
  background-image: repeating-radial-gradient(ellipse at 20% 10%, transparent 0, transparent 4rem, rgba(168,212,189,.2) calc(4rem + 1px), transparent calc(4rem + 2px));
  pointer-events: none;
}

.chapter[data-tone="sand"] {
  background:
    linear-gradient(125deg, rgba(111,79,40,.18), transparent 40%),
    #17140f;
}
.chapter[data-tone="sand"]::before {
  opacity: .18;
  background-image:
    linear-gradient(rgba(225,189,139,.2) 1px, transparent 1px),
    linear-gradient(90deg, rgba(225,189,139,.2) 1px, transparent 1px);
  background-size: 4rem 4rem;
  transform: rotate(-2deg) scale(1.05);
}

.chapter[data-tone="signal"] {
  background:
    radial-gradient(circle at 76% 12%, rgba(255,67,34,.23), transparent 30%),
    linear-gradient(180deg, #160a0b, #080c10 75%);
}
.chapter[data-tone="signal"]::before {
  opacity: .24;
  background-image: repeating-linear-gradient(0deg, transparent 0, transparent 5px, rgba(255,90,54,.13) 6px);
}

.chapter[data-tone="pale"] {
  background:
    linear-gradient(120deg, rgba(149,176,189,.13), transparent 40%),
    #0a1116;
}
.chapter[data-tone="pale"]::before {
  opacity: .18;
  background-image:
    linear-gradient(rgba(214,220,224,.22) 1px, transparent 1px),
    linear-gradient(90deg, rgba(214,220,224,.22) 1px, transparent 1px);
  background-size: 12.5vw 100%, 100% 20rem;
}

.chapter-heading {
  display: grid;
  grid-template-columns: .62fr 1.3fr .8fr;
  align-items: end;
  gap: 4vw;
  margin-bottom: clamp(4rem, 8vw, 8rem);
  padding-top: 1.2rem;
  border-top: 1px solid var(--line);
}

.chapter-number {
  align-self: start;
  color: var(--chapter-color);
  font-size: .7rem;
  font-weight: 600;
  letter-spacing: .15em;
  text-transform: uppercase;
}

.chapter-heading h2 {
  margin: 0;
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(4.2rem, 9vw, 9rem);
  font-weight: 400;
  line-height: .8;
  letter-spacing: -.055em;
}

.chapter[data-tone="green"] .chapter-heading h2 { font-style: italic; }
.chapter[data-tone="sand"] .chapter-heading h2 {
  font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
  font-weight: 300;
  letter-spacing: -.075em;
  text-transform: uppercase;
}
.chapter[data-tone="signal"] .chapter-heading h2 {
  font-family: "Arial Black", "Helvetica Neue", Arial, sans-serif;
  font-weight: 900;
  letter-spacing: -.09em;
  text-transform: uppercase;
}
.chapter[data-tone="pale"] .chapter-heading h2 {
  font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
  font-weight: 200;
  letter-spacing: -.085em;
}

.chapter-summary {
  max-width: 26rem;
  margin: 0;
  color: var(--paper-dim);
  font-size: clamp(1rem, 1.15vw, 1.12rem);
  line-height: 1.5;
}

.chapter-summary strong {
  display: block;
  margin-bottom: .7rem;
  color: var(--chapter-color);
  font-size: .6rem;
  letter-spacing: .12em;
  text-transform: uppercase;
}

.chapter-gallery {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: clamp(.75rem, 1.4vw, 1.4rem);
}

.location-card { min-width: 0; }
.location-card.layout-feature { grid-column: span 12; }
.location-card.layout-wide { grid-column: span 7; }
.location-card.layout-standard { grid-column: span 5; }

.location-trigger {
  position: relative;
  display: block;
  width: 100%;
  padding: 0;
  overflow: hidden;
  border: 0;
  background: #102124;
  text-align: left;
  cursor: zoom-in;
}

.layout-feature .location-trigger { aspect-ratio: 16 / 8.4; }
.layout-wide .location-trigger { aspect-ratio: 16 / 11; }
.layout-standard .location-trigger { aspect-ratio: 12 / 10.3; }

.location-trigger img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 1.1s var(--ease), filter .6s ease;
}

.location-trigger::before {
  content: "";
  position: absolute;
  z-index: 1;
  inset: 0;
  background: linear-gradient(180deg, rgba(2,8,9,.35), transparent 35%, transparent 55%, rgba(2,8,9,.8));
  transition: opacity .5s ease;
}

.location-trigger::after {
  content: "+";
  position: absolute;
  z-index: 2;
  top: 50%;
  left: 50%;
  display: grid;
  place-items: center;
  width: 3.5rem;
  height: 3.5rem;
  border: 1px solid rgba(255,255,255,.6);
  border-radius: 50%;
  background: rgba(6,17,19,.2);
  font-size: 1.3rem;
  opacity: 0;
  transform: translate(-50%, -40%) scale(.85);
  transition: opacity .35s ease, transform .5s var(--ease), background .35s ease;
  backdrop-filter: blur(5px);
}

.location-trigger:hover img { transform: scale(1.035); }
.location-trigger:hover::after,
.location-trigger:focus-visible::after {
  opacity: 1;
  transform: translate(-50%, -50%) scale(1);
}

.location-meta {
  position: absolute;
  z-index: 3;
  right: 1rem;
  bottom: .9rem;
  left: 1rem;
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 1rem;
  pointer-events: none;
}

.location-meta strong {
  display: block;
  margin: 0;
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(1.35rem, 2.3vw, 2.55rem);
  font-weight: 400;
  line-height: 1;
  letter-spacing: -.035em;
}

.location-meta span,
.location-coordinate {
  font-size: .56rem;
  font-weight: 600;
  letter-spacing: .1em;
  text-transform: uppercase;
}

.location-coordinate {
  position: absolute;
  z-index: 3;
  top: .9rem;
  right: 1rem;
  left: 1rem;
  display: flex;
  justify-content: space-between;
  color: rgba(255,255,255,.8);
  pointer-events: none;
}

.reveal {
  opacity: 0;
  transform: translateY(2rem);
  transition: opacity .9s var(--ease), transform .9s var(--ease);
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.atlas-index {
  color: var(--ink);
  background: #d9d7cf;
}

.index-heading {
  display: grid;
  grid-template-columns: 1fr .5fr;
  align-items: end;
  gap: 3rem;
  margin-bottom: 4rem;
}

.index-heading h2 {
  margin: .6rem 0 0;
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(4.5rem, 10vw, 10rem);
  font-weight: 400;
  line-height: .8;
  letter-spacing: -.06em;
}

.index-heading > p {
  max-width: 24rem;
  margin: 0;
  color: rgba(6,17,19,.65);
  font-size: .82rem;
}

.index-grid {
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  border-top: 1px solid rgba(6,17,19,.35);
  border-left: 1px solid rgba(6,17,19,.35);
}

.index-item {
  position: relative;
  min-width: 0;
  padding: .75rem;
  border: 0;
  border-right: 1px solid rgba(6,17,19,.35);
  border-bottom: 1px solid rgba(6,17,19,.35);
  background: transparent;
  text-align: left;
  cursor: pointer;
}

.index-thumb {
  position: relative;
  display: block;
  aspect-ratio: 4 / 3;
  margin-bottom: .8rem;
  overflow: hidden;
  background: rgba(6,17,19,.1);
}

.index-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: saturate(.75);
  transition: transform .6s var(--ease), filter .4s ease;
}

.index-item:hover .index-thumb img {
  filter: saturate(1.1);
  transform: scale(1.05);
}

.index-number {
  display: block;
  margin-bottom: .28rem;
  color: rgba(6,17,19,.5);
  font-size: .55rem;
  font-weight: 700;
  letter-spacing: .1em;
}

.index-title {
  display: block;
  overflow: hidden;
  font-size: .68rem;
  font-weight: 600;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.closing {
  position: relative;
  isolation: isolate;
  min-height: 100svh;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  justify-content: center;
  background:
    radial-gradient(circle at 73% 55%, rgba(255,77,46,.16), transparent 25%),
    radial-gradient(circle at 10% 100%, rgba(62,124,122,.12), transparent 31%),
    var(--ink);
}

.closing > .eyebrow,
.closing-line,
.closing > .expedition-button {
  position: relative;
  z-index: 4;
}

.closing-phenomenon {
  position: absolute;
  z-index: -1;
  inset: 0;
  overflow: hidden;
  pointer-events: none;
}

.closing-phenomenon::before {
  content: "";
  position: absolute;
  right: -18%;
  bottom: -32%;
  left: -18%;
  height: 68%;
  opacity: .23;
  background-image:
    linear-gradient(rgba(162,205,197,.28) 1px, transparent 1px),
    linear-gradient(90deg, rgba(162,205,197,.28) 1px, transparent 1px);
  background-size: 5rem 3rem;
  transform: perspective(35rem) rotateX(64deg) scale(1.25);
  transform-origin: bottom;
  animation: closing-grid-drift 9s linear infinite;
}

.closing-phenomenon::after {
  content: "";
  position: absolute;
  top: 0;
  bottom: 0;
  left: -20%;
  width: 16%;
  background: linear-gradient(90deg, transparent, rgba(255,77,46,.08), transparent);
  filter: blur(1rem);
  transform: skewX(-15deg);
  animation: closing-scan 7s var(--ease) infinite;
}

.closing-horizon {
  position: absolute;
  top: 50%;
  left: 72%;
  width: clamp(28rem, 54vw, 58rem);
  aspect-ratio: 1;
  border: 1px solid rgba(255,101,72,.5);
  border-radius: 44% 56% 48% 52%;
  box-shadow: 0 0 5rem rgba(255,77,46,.08), inset 0 0 5rem rgba(255,77,46,.06);
  transform: translate(-50%, -50%);
  animation: closing-horizon-drift 13s ease-in-out infinite alternate;
}

.closing-horizon::before,
.closing-horizon::after,
.closing-horizon i {
  content: "";
  position: absolute;
  border: 1px solid rgba(226,231,226,.2);
  border-radius: 50%;
}

.closing-horizon::before {
  inset: 20%;
  border-color: rgba(255,77,46,.6);
  background: radial-gradient(circle, rgba(255,77,46,.18), rgba(255,77,46,.04) 35%, transparent 67%);
  box-shadow: 0 0 6rem rgba(255,77,46,.2);
  animation: closing-core-pulse 3.8s ease-in-out infinite;
}
.closing-horizon::after { inset: -9%; border-style: dashed; animation: closing-orbit 22s linear infinite; }
.closing-horizon i:nth-child(1) { inset: 8% 24%; transform: rotate(37deg); animation: closing-orbit 16s linear infinite reverse; }
.closing-horizon i:nth-child(2) { inset: 29% -8%; transform: rotate(-24deg); animation: closing-orbit 27s linear infinite; }
.closing-horizon i:nth-child(3) { inset: 38%; border-color: rgba(255,255,255,.4); animation: closing-orbit 9s linear infinite reverse; }

.closing-horizon span {
  position: absolute;
  top: 50%;
  left: -18%;
  width: 136%;
  height: 1px;
  overflow: hidden;
  background: rgba(255,255,255,.2);
  transform: rotate(-9deg);
}
.closing-horizon span::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, transparent, var(--signal), transparent);
  transform: translateX(-100%);
  animation: closing-line-sweep 4.5s ease-in-out infinite;
}

.closing-ray {
  position: absolute;
  display: block;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(192,222,215,.35), transparent);
  transform-origin: right;
  animation: closing-ray-shift 8s ease-in-out infinite alternate;
}
.closing-ray-a { top: 28%; right: 18%; width: 48%; transform: rotate(12deg); }
.closing-ray-b { top: 62%; right: 6%; width: 63%; transform: rotate(-17deg); animation-delay: -2.4s; }
.closing-ray-c { top: 81%; right: 29%; width: 36%; transform: rotate(6deg); animation-delay: -4.8s; }

.closing-coordinates {
  position: absolute;
  top: 8rem;
  right: var(--gutter);
  display: grid;
  gap: .25rem;
  color: rgba(232,229,220,.34);
  font-size: .48rem;
  font-weight: 600;
  letter-spacing: .13em;
  text-align: right;
}

@keyframes closing-grid-drift { to { background-position: 5rem 3rem; } }
@keyframes closing-scan { 0%, 8% { left: -20%; } 72%, 100% { left: 120%; } }
@keyframes closing-horizon-drift {
  from { transform: translate(-50%, -50%) rotate(-5deg) scale(.96); }
  to { transform: translate(-48%, -52%) rotate(7deg) scale(1.04); }
}
@keyframes closing-core-pulse { 0%, 100% { opacity: .5; transform: scale(.88); } 50% { opacity: 1; transform: scale(1.08); } }
@keyframes closing-orbit { to { transform: rotate(360deg); } }
@keyframes closing-line-sweep { 0%, 15% { transform: translateX(-100%); } 70%, 100% { transform: translateX(100%); } }
@keyframes closing-ray-shift { from { opacity: .18; } to { opacity: .75; } }

.closing-line {
  margin: 1.5rem 0 clamp(3rem, 8vw, 7rem);
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(4.5rem, 12vw, 12rem);
  line-height: .78;
  letter-spacing: -.065em;
  text-shadow: 0 1rem 4rem rgba(0,0,0,.55);
}

.expedition-button {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: min(100%, 33rem);
  padding: .9rem 0;
  border: 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: transparent;
  font-size: .68rem;
  font-weight: 600;
  letter-spacing: .12em;
  text-transform: uppercase;
  cursor: pointer;
  transition: padding .35s var(--ease), color .25s ease;
}

.expedition-button:hover {
  padding-right: .8rem;
  padding-left: .8rem;
  color: var(--signal);
}

.site-footer {
  display: grid;
  grid-template-columns: 1fr 1fr auto;
  gap: 2rem;
  padding: 1.2rem var(--gutter);
  border-top: 1px solid var(--line);
  color: rgba(232,229,220,.55);
  font-size: .58rem;
  letter-spacing: .1em;
  text-transform: uppercase;
}

.site-footer p { margin: 0; }
.site-footer a { color: var(--paper); }
.site-footer .design-credit { justify-self: start; }

.viewer {
  width: 100%;
  max-width: none;
  height: 100%;
  max-height: none;
  margin: 0;
  padding: 0;
  overflow: hidden;
  border: 0;
  color: var(--paper);
  background: #020607;
}

.viewer::backdrop { background: #020607; }

.viewer-shell {
  position: relative;
  width: 100%;
  height: 100svh;
  overflow: hidden;
  background: #020607;
}

.viewer-shell::after {
  content: "";
  position: absolute;
  z-index: 1;
  right: 0;
  bottom: 0;
  left: 0;
  height: 32%;
  background: linear-gradient(0deg, rgba(2,6,7,.76), transparent);
  pointer-events: none;
}

.viewer-close {
  position: absolute;
  z-index: 5;
  top: clamp(1rem, 2vw, 1.7rem);
  right: clamp(1rem, 2vw, 1.7rem);
  display: flex;
  align-items: center;
  gap: .75rem;
  min-height: 2.9rem;
  padding: 0 1rem 0 1.15rem;
  border: 1px solid rgba(255,255,255,.68);
  border-radius: 999px;
  color: #fff;
  background: rgba(2,6,7,.32);
  font-size: .62rem;
  font-style: normal;
  letter-spacing: .12em;
  text-transform: uppercase;
  cursor: pointer;
  backdrop-filter: blur(10px);
  transition: color .25s ease, background .25s ease, transform .25s ease;
}

.viewer-close i { font-size: 1.35rem; font-style: normal; line-height: 1; }
.viewer-close:hover { color: var(--ink); background: #fff; transform: scale(1.03); }

.viewer-figure {
  position: absolute;
  inset: 0;
  margin: 0;
}

.viewer-figure img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}

.viewer-nav {
  position: absolute;
  z-index: 5;
  top: 50%;
  display: grid;
  place-items: center;
  width: clamp(3.3rem, 5vw, 4.8rem);
  height: clamp(3.3rem, 5vw, 4.8rem);
  padding: 0;
  border: 1px solid rgba(255,255,255,.72);
  border-radius: 50%;
  color: #fff;
  background: rgba(2,6,7,.25);
  cursor: pointer;
  transform: translateY(-50%);
  backdrop-filter: blur(8px);
  transition: color .25s ease, background .25s ease, transform .3s var(--ease);
}

.viewer-nav span { font-size: clamp(1.25rem, 2vw, 1.8rem); line-height: 1; }
.viewer-prev { left: clamp(1rem, 2vw, 1.7rem); }
.viewer-next { right: clamp(1rem, 2vw, 1.7rem); }
.viewer-nav:hover { color: var(--ink); background: #fff; transform: translateY(-50%) scale(1.08); }

.viewer-title-overlay {
  position: absolute;
  z-index: 4;
  right: clamp(5rem, 12vw, 12rem);
  bottom: clamp(1.5rem, 4vh, 3.2rem);
  left: clamp(5rem, 12vw, 12rem);
  color: #fff;
  text-align: center;
  text-shadow: 0 .3rem 2rem rgba(0,0,0,.8);
  pointer-events: none;
}

.viewer-title-overlay h2 {
  margin: 0;
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(2rem, 4.5vw, 4.8rem);
  font-weight: 400;
  line-height: .9;
  letter-spacing: -.045em;
}

.viewer-title-overlay span {
  display: block;
  margin-top: .65rem;
  font-size: .55rem;
  font-weight: 600;
  letter-spacing: .14em;
  text-transform: uppercase;
}

.noscript-note {
  position: fixed;
  z-index: 300;
  right: 1rem;
  bottom: 1rem;
  max-width: 24rem;
  padding: 1rem;
  color: var(--ink);
  background: var(--paper);
  font-size: .8rem;
}

@media (max-width: 960px) {
  .site-header { grid-template-columns: 1fr auto; }
  .chapter-nav { display: none; }
  .hero-bottom { grid-template-columns: 1fr; gap: 2rem; }
  .hero-data { max-width: 38rem; }
  .map-heading { grid-template-columns: 1fr .7fr; }
  .map-shell { grid-template-columns: minmax(0, 1.75fr) minmax(15rem, .75fr); }
  .map-stage { min-height: 30rem; }
  .transition-note { width: min(34rem, 62vw); }
  .chapter-heading { grid-template-columns: .3fr 1fr; }
  .chapter-summary { grid-column: 2; }
  .index-grid { grid-template-columns: repeat(4, 1fr); }
}

@media (max-width: 680px) {
  :root { --header-h: 4.5rem; }
  .site-header { min-height: var(--header-h); }
  .brand-name, .text-button { display: none; }
  .hero-content { padding-bottom: 6rem; }
  .hero .eyebrow { top: 7.5rem; }
  .hero h1 { font-size: clamp(4rem, 20vw, 7rem); line-height: .82; }
  .hero h1 span:last-child { margin: .12em 0 0; }
  .hero-bottom { margin-left: 0; }
  .hero-data { grid-template-columns: repeat(2, 1fr); }
  .hero-data div:last-child { display: none; }
  .scroll-cue span { display: none; }
  .prologue { grid-template-columns: 1fr; grid-template-rows: auto auto auto auto; }
  .prologue-instrument { grid-column: 1; grid-row: 2; width: min(58vw, 16rem); margin: 4rem auto 0; }
  .prologue-copy { grid-column: 1; grid-row: 3; margin-top: 4rem; }
  .prologue-small { margin-left: 0; }
  .prologue-stats { grid-column: 1; grid-row: 4; }
  .prologue-stats div { display: grid; gap: .1rem; }
  .prologue-route i:nth-of-type(3),
  .prologue-route i:nth-of-type(4) { display: none; }
  .map-heading { grid-template-columns: 1fr; }
  .map-heading h2 { font-size: 21vw; }
  .map-introduction { margin-top: 1rem; }
  .map-shell { display: block; min-height: 0; }
  .map-stage { min-height: 26rem; border-right: 0; border-bottom: 1px solid rgba(190, 221, 214, .24); }
  .map-preview { display: grid; grid-template-columns: 8rem 1fr; column-gap: 1rem; }
  .map-preview-image { grid-row: 1 / span 3; aspect-ratio: 4 / 5; }
  .map-preview-top { margin-top: 0; }
  .map-preview-copy { padding: 1.2rem 0; }
  .map-preview-copy h3 { font-size: 2rem; }
  .map-preview-copy > p:last-child { display: block; font-size: .86rem; }
  .map-preview > button { grid-column: 2; }
  .territory-transition { height: 170svh; }
  .transition-title { bottom: 7vh; }
  .transition-title h2 { font-size: 18vw; line-height: .72; }
  .transition-note { top: 15vh; right: var(--gutter); left: var(--gutter); grid-template-columns: 1fr; width: auto; max-width: 28rem; gap: .7rem; }
  [data-form="traces"] .breach-window-a { left: 2vw; width: 76vw; }
  [data-form="traces"] .breach-window-b { right: -4vw; width: 48vw; }
  [data-form="traces"] .breach-window-c { right: 4vw; width: 64vw; }
  [data-form="signals"] .breach-window-a { left: calc(50% - 26vh); width: 52vh; height: 52vh; }
  [data-form="signals"] .breach-window-b { left: -5vw; width: 110vw; }
  [data-form="signals"] .breach-window-c { right: 2vw; width: 42vw; }
  [data-form="monuments"] .breach-window-a { left: 14vw; width: 72vw; }
  [data-form="monuments"] .breach-window-b { left: -5vw; width: 48vw; }
  [data-form="monuments"] .breach-window-c { right: -4vw; width: 48vw; }
  .breach-progress { right: .7rem; }
  .chapter-heading { grid-template-columns: 1fr; }
  .chapter-summary { grid-column: auto; }
  .chapter-heading h2 { font-size: clamp(4rem, 21vw, 7rem); }
  .chapter-gallery { display: block; }
  .location-card + .location-card { margin-top: .9rem; }
  .location-trigger,
  .layout-feature .location-trigger,
  .layout-wide .location-trigger,
  .layout-standard .location-trigger { aspect-ratio: 4 / 3; }
  .location-meta strong { font-size: 1.6rem; }
  .index-heading { grid-template-columns: 1fr; }
  .index-grid { grid-template-columns: repeat(2, 1fr); }
  .index-heading h2 { font-size: 22vw; }
  .closing { min-height: 100svh; }
  .closing-horizon { left: 82%; width: 112vw; }
  .closing-coordinates { top: 6rem; }
  .closing-line { font-size: 20vw; }
  .site-footer { grid-template-columns: 1fr auto; row-gap: .75rem; }
  .site-footer > p { grid-column: 1 / -1; }
  .viewer-close span { display: none; }
  .viewer-close { width: 2.9rem; padding: 0; justify-content: center; }
  .viewer-title-overlay { right: 4.5rem; bottom: 1.4rem; left: 4.5rem; }
  .viewer-title-overlay h2 { font-size: clamp(1.8rem, 8vw, 3rem); }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    scroll-behavior: auto !important;
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .01ms !important;
  }
  .intro-sequence { display: none !important; }
  .reveal { opacity: 1; transform: none; }
  .prologue-word { opacity: 1; filter: none; transform: none; }
  .territory-transition { height: 100svh; }
  .transition-stage {
    position: relative;
    --breach-opacity: 1;
    --a-x: 0vw;
    --a-y: 0vh;
    --a-r: 0deg;
    --a-s: 1;
    --b-x: 0vw;
    --b-y: 0vh;
    --b-r: 0deg;
    --b-s: 1;
    --c-x: 0vw;
    --c-y: 0vh;
    --c-r: 0deg;
    --c-s: 1;
    --title-opacity: 1;
    --title-y: 0rem;
    --breach-progress: 100%;
  }
  .map-point::before { display: none; }
}