:root {
  --flight-paper: #f1eee5;
  --flight-paper-light: #fbfaf6;
  --flight-ink: #112326;
  --flight-muted: #5e6c6d;
  --flight-grid: rgba(17, 35, 38, 0.09);
  --flight-teal: #08777a;
  --flight-teal-bright: #2ba6a3;
  --flight-copper: #b85d31;
  --flight-amber: #e39524;
}

.flight-plot-site {
  background: var(--flight-paper);
}

.flight-plot-site > .footer {
  position: relative;
  z-index: 2;
}

.flight-plot {
  position: relative;
  isolation: isolate;
  min-height: 100vh;
  color: var(--flight-ink);
  background:
    linear-gradient(rgba(17, 35, 38, 0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(17, 35, 38, 0.025) 1px, transparent 1px),
    radial-gradient(circle at 72% 11%, rgba(8, 119, 122, 0.1), transparent 31%),
    var(--flight-paper);
  background-size: 42px 42px, 42px 42px, auto, auto;
  border-top: 1px solid rgba(17, 35, 38, 0.14);
}

.flight-plot-page-aerial {
  position: fixed;
  z-index: 0;
  inset: 0;
  display: block;
  overflow: hidden;
  pointer-events: none;
}

.flight-plot-page-aerial::after {
  position: absolute;
  inset: 0;
  content: "";
  background:
    linear-gradient(rgba(17, 35, 38, 0.028) 1px, transparent 1px),
    linear-gradient(90deg, rgba(17, 35, 38, 0.028) 1px, transparent 1px),
    radial-gradient(circle at 72% 11%, rgba(8, 119, 122, 0.13), transparent 31%),
    linear-gradient(180deg, rgba(241, 238, 229, 0.72), rgba(241, 238, 229, 0.76));
  background-size: 42px 42px, 42px 42px, auto, auto;
}

.flight-plot-page-aerial img {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;
  object-position: center 48%;
  filter: saturate(0.72) contrast(0.92) brightness(0.96);
}

.flight-plot-heading {
  position: relative;
  z-index: 1;
  width: min(1260px, calc(100% - 64px));
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 50px;
  margin: 0 auto;
  padding: 48px 0 38px;
}

.flight-plot-title {
  flex: 1 1 auto;
  min-width: 0;
  max-width: none;
}

.flight-plot-title > p,
.flight-plot-chart-heading span,
.flight-plot-chart-heading time,
.flight-point time,
.flight-plot-note {
  font-family: "DM Mono", monospace;
  text-transform: uppercase;
}

.flight-plot-title > p {
  margin: 0 0 10px;
  color: var(--flight-copper);
  font-size: 1.4rem;
  letter-spacing: 0.11em;
}

.flight-plot-title h1 {
  max-width: none;
  margin: 0;
  color: var(--flight-ink);
  font-size: clamp(2rem, 4vw, 4.3rem);
  letter-spacing: -0.065em;
  line-height: 0.98;
}

.flight-plot-title h1 > span {
  display: inline;
}

.flight-plot-title > span {
  display: block;
  max-width: 610px;
  margin-top: 18px;
  color: var(--flight-muted);
  font-size: 1rem;
  line-height: 1.55;
}

.flight-plot .marker-presentation-about > summary {
  color: var(--flight-ink);
  background: rgba(251, 250, 246, 0.94);
  border: 1px solid rgba(17, 35, 38, 0.2);
  box-shadow: 0 8px 24px rgba(17, 35, 38, 0.09);
}

@media (min-width: 681px) {
  .flight-plot-site > .marker-presentation-reveal.is-about .marker-presentation-window h2 {
    font-size: 2rem;
    white-space: nowrap;
  }
}

.flight-plot-site #flight-marker-time-1879-title {
  font-size: clamp(1.65rem, 2.35vw, 2.15rem);
}

.flight-plot-site #flight-marker-time-1889-title {
  font-size: clamp(1.35rem, 1.8vw, 1.7rem);
}

.flight-plot-site #flight-marker-time-1916-title {
  font-size: clamp(1.5rem, 2vw, 1.9rem);
}

.flight-plot-stage {
  position: relative;
  z-index: 1;
  width: min(1260px, calc(100% - 64px));
  height: 2475px;
  margin: 0 auto clamp(48px, 6vw, 80px);
  overflow: hidden;
  background:
    radial-gradient(circle at 10% 31%, transparent 0 74px, rgba(17, 35, 38, 0.055) 75px 76px, transparent 77px),
    radial-gradient(circle at 10% 31%, transparent 0 130px, rgba(17, 35, 38, 0.035) 131px 132px, transparent 133px),
    linear-gradient(135deg, rgba(251, 250, 246, 0.93), rgba(251, 250, 246, 0.87));
  border: 1px solid rgba(17, 35, 38, 0.18);
  border-radius: 28px;
  box-shadow: 0 38px 90px rgba(34, 49, 48, 0.18);
  isolation: isolate;
}

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

.flight-plot-stage::before {
  inset: 0;
  background-image:
    linear-gradient(rgba(17, 35, 38, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(17, 35, 38, 0.035) 1px, transparent 1px);
  background-size: 54px 54px;
  mask-image: linear-gradient(180deg, #000, transparent 78%);
}

.flight-plot-stage::after {
  right: -120px;
  bottom: 120px;
  width: 550px;
  height: 550px;
  border: 1px solid rgba(17, 35, 38, 0.07);
  border-radius: 50%;
  box-shadow:
    0 0 0 70px rgba(17, 35, 38, 0.025),
    0 0 0 140px rgba(17, 35, 38, 0.018);
}

.flight-plot-chart-heading {
  position: relative;
  z-index: 8;
  min-height: 100px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  padding: 32px 38px;
  background: rgba(251, 250, 246, 0.78);
  border-bottom: 1px solid rgba(17, 35, 38, 0.12);
  backdrop-filter: blur(12px);
}

.flight-plot-chart-heading h2 {
  margin: 0;
  color: var(--flight-copper);
  font-family: "DM Mono", monospace;
  font-size: 1.75rem;
  font-weight: 500;
  letter-spacing: 0.11em;
  line-height: 1;
  text-transform: uppercase;
}

.flight-plot-chart-tools {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 12px;
}

.flight-plot-chart-tools .marker-presentation-about {
  position: absolute;
  top: 154px;
  right: 128px;
  z-index: 9;
}

.flight-plot-interaction-hint {
  position: absolute;
  top: 224px;
  right: 40px;
  z-index: 8;
  margin: 0;
  color: rgba(17, 35, 38, 0.62);
  font-family: "DM Mono", monospace;
  font-size: 0.58rem;
  letter-spacing: 0.03em;
  line-height: 1.4;
  text-align: right;
}

.flight-plot-key {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 14px;
}

.flight-plot-key span {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  margin: 0;
  color: var(--flight-muted);
  font-size: 0.58rem;
}

.flight-plot-key span::before {
  width: 8px;
  height: 8px;
  content: "";
  background: currentColor;
  border-radius: 50%;
}

.flight-plot-key .is-yallourn {
  color: var(--flight-teal);
}

.flight-plot-key .is-aviation {
  color: var(--flight-amber);
}

.flight-plot-key .is-project {
  color: var(--flight-copper);
}

.flight-plot-chart-meta {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 8px 20px;
  color: var(--flight-muted);
  font-size: 0.62rem;
  letter-spacing: 0.08em;
}

.flight-plot-chart-meta b {
  color: var(--flight-copper);
  font-weight: 500;
}

.flight-plot-site .marker-presentation-about-image {
  margin-top: 22px;
}

.flight-plot-site .marker-presentation-about-image img {
  height: auto;
  object-fit: contain;
}

.flight-plot-why-copy > p {
  margin: 18px 0 0;
  color: var(--flight-ink);
  font-size: 0.86rem;
  line-height: 1.7;
}

.flight-plot-pathway {
  margin-top: 30px;
  padding-top: 22px;
  border-top: 1px solid rgba(17, 35, 38, 0.16);
}

.flight-plot-pathway h3 {
  margin: 0;
  color: var(--flight-ink);
  font-size: 1.05rem;
}

.flight-plot-pathway ol {
  margin: 20px 0 0;
  padding: 0;
  list-style: none;
}

.flight-plot-pathway li {
  position: relative;
  min-height: 96px;
  margin-left: 17px;
  padding: 0 0 22px 28px;
  border-left: 1px solid rgba(17, 35, 38, 0.22);
}

.flight-plot-pathway li::before {
  position: absolute;
  top: 2px;
  left: -7px;
  width: 13px;
  height: 13px;
  content: "";
  background: var(--flight-paper-light);
  border: 2px solid var(--flight-muted);
  border-radius: 50%;
}

.flight-plot-pathway li.is-current-focus::before {
  background: var(--flight-teal);
  border-color: var(--flight-teal);
  box-shadow: 0 0 0 5px rgba(8, 119, 122, 0.12);
}

.flight-plot-pathway li:last-child {
  min-height: 0;
  padding-bottom: 0;
  border-left-color: transparent;
}

.flight-plot-pathway li > span {
  display: block;
  margin-bottom: 4px;
  color: var(--flight-copper);
  font-family: "DM Mono", monospace;
  font-size: 0.6rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.flight-plot-pathway li strong {
  display: flex;
  align-items: baseline;
  gap: 9px;
  font-size: 0.88rem;
}

.flight-plot-pathway li strong b {
  color: var(--flight-teal);
  font-family: "DM Mono", monospace;
  font-size: 0.62rem;
  font-weight: 500;
}

.flight-plot-pathway li p {
  margin: 5px 0 0;
  color: var(--flight-muted);
  font-size: 0.76rem;
  line-height: 1.55;
}

.flight-plot-monument {
  position: absolute;
  z-index: -1;
  top: 585px;
  left: 5%;
  width: 90%;
  display: grid;
  grid-template-columns: max-content minmax(120px, 1fr) max-content;
  align-items: center;
  gap: 30px;
  color: rgba(17, 35, 38, 0.075);
  font-family: "DM Mono", monospace;
  transform: rotate(-7deg);
  transform-origin: center;
  pointer-events: none;
}

.flight-plot-monument span {
  font-size: clamp(3.8rem, 9vw, 8.2rem);
  font-weight: 500;
  letter-spacing: 0.08em;
}

.flight-plot-monument i {
  position: relative;
  height: 22px;
  background: currentColor;
}

.flight-plot-monument i::after {
  position: absolute;
  top: 50%;
  right: -44px;
  width: 0;
  height: 0;
  content: "";
  border-top: 34px solid transparent;
  border-bottom: 34px solid transparent;
  border-left: 50px solid currentColor;
  transform: translateY(-50%);
}

.flight-plot-monument strong {
  font-size: clamp(9rem, 23vw, 21rem);
  font-weight: 500;
  letter-spacing: -0.12em;
  line-height: 0.7;
}

.flight-plot-compass {
  position: absolute;
  z-index: 1;
  top: 140px;
  right: 40px;
  width: 72px;
  height: 72px;
  display: grid;
  place-items: center;
  color: rgba(17, 35, 38, 0.45);
  border: 1px solid rgba(17, 35, 38, 0.14);
  border-radius: 50%;
  font-family: "DM Mono", monospace;
  font-size: 0.62rem;
  pointer-events: none;
}

.flight-plot-compass i {
  position: absolute;
  top: 22px;
  width: 1px;
  height: 34px;
  background: currentColor;
}

.flight-plot-compass i::before {
  position: absolute;
  top: -5px;
  left: -3px;
  width: 7px;
  height: 7px;
  content: "";
  background: var(--flight-copper);
  clip-path: polygon(50% 0, 100% 100%, 50% 78%, 0 100%);
}

.flight-route,
.flight-plot-course {
  position: absolute;
  z-index: 2;
  top: 100px;
  left: 0;
  width: 100%;
  height: 2250px;
}

.flight-route {
  overflow: visible;
  pointer-events: none;
}

.flight-route-mobile {
  display: none;
}

.flight-route path {
  fill: none;
  vector-effect: non-scaling-stroke;
}

.flight-route-shadow {
  stroke: rgba(255, 255, 255, 0.92);
  stroke-width: 13;
}

.flight-route-line {
  stroke: var(--flight-teal);
  stroke-width: 4;
}

.flight-route-signal {
  stroke: #ffd23f;
  stroke-width: 2.25;
  stroke-dasharray: 0.55 1.35;
  stroke-linecap: round;
  filter: drop-shadow(0 0 1px rgba(97, 62, 0, 0.75));
  animation: flight-signal 26s linear infinite;
}

@keyframes flight-signal {
  to {
    stroke-dashoffset: -100;
  }
}

.flight-plot-course {
  z-index: 4;
  margin: 0;
  padding: 0;
  list-style: none;
}

.flight-plot-continuation {
  position: absolute;
  top: 2200px;
  left: 24.85%;
  z-index: 3;
  width: clamp(180px, 18vw, 230px);
  opacity: 0.88;
  filter: drop-shadow(0 14px 18px rgba(17, 35, 38, 0.16));
  transform: rotate(-4deg);
  transform-origin: 18% 54%;
  pointer-events: none;
}

.flight-plot-continuation img {
  width: 100%;
  height: auto;
  display: block;
  transform: scaleX(-1);
}

.flight-point {
  position: absolute;
  top: var(--plot-y);
  left: var(--plot-x);
  margin: -27px 0 0 -27px;
}

.flight-point details {
  position: static;
}

.flight-point summary {
  position: relative;
  width: 54px;
  height: 54px;
  display: block;
  border-radius: 50%;
  cursor: pointer;
  list-style: none;
}

.flight-point summary::-webkit-details-marker {
  display: none;
}

.flight-point-node {
  position: absolute;
  z-index: 2;
  inset: 0;
  display: grid;
  place-items: center;
  color: var(--flight-teal);
  background: rgba(251, 250, 246, 0.96);
  border: 3px solid currentColor;
  border-radius: 50%;
  box-shadow:
    0 0 0 7px rgba(251, 250, 246, 0.76),
    0 10px 28px rgba(17, 35, 38, 0.17);
  transition: color 160ms ease, background 160ms ease, transform 160ms ease;
}

.flight-point-node::before,
.flight-point-node::after {
  position: absolute;
  content: "";
  opacity: 0.38;
}

.flight-point-node::before {
  top: 50%;
  left: -10px;
  width: calc(100% + 20px);
  height: 1px;
  background: linear-gradient(
    90deg,
    currentColor 0 10px,
    transparent 10px calc(100% - 10px),
    currentColor calc(100% - 10px) 100%
  );
}

.flight-point-node::after {
  top: -10px;
  left: 50%;
  width: 1px;
  height: calc(100% + 20px);
  background: linear-gradient(
    180deg,
    currentColor 0 10px,
    transparent 10px calc(100% - 10px),
    currentColor calc(100% - 10px) 100%
  );
}

.flight-point-node b {
  position: relative;
  z-index: 1;
  font-family: "DM Mono", monospace;
  font-size: 1.35rem;
  font-weight: 500;
}

.flight-point.is-aviation .flight-point-node {
  color: var(--flight-amber);
}

.flight-point.is-project .flight-point-node {
  color: var(--flight-copper);
}

.flight-point-copy {
  position: absolute;
  top: calc(50% + var(--label-y, 0px));
  width: clamp(230px, 25vw, 320px);
  display: flex;
  flex-direction: column;
  transform: translateY(-50%);
}

.flight-point.is-east .flight-point-copy {
  left: var(--label-gap, 76px);
  text-align: left;
}

.flight-point.is-west .flight-point-copy {
  right: var(--label-gap, 76px);
  align-items: flex-end;
  text-align: right;
}

.flight-point.is-north .flight-point-copy {
  top: auto;
  bottom: 82px;
  left: 50%;
  width: 260px;
  align-items: center;
  text-align: center;
  transform: translateX(-50%);
}

.flight-point time {
  color: var(--flight-muted);
  font-size: 0.63rem;
  font-weight: 500;
  letter-spacing: 0.04em;
}

.flight-point-copy strong {
  margin-top: 6px;
  color: var(--flight-ink);
  font-size: clamp(1rem, 1.65vw, 1.25rem);
  letter-spacing: -0.03em;
  line-height: 1.23;
}

.flight-point-action {
  max-height: 0;
  margin-top: 0;
  overflow: hidden;
  color: var(--flight-teal);
  font-size: 0.7rem;
  font-weight: 700;
  opacity: 0;
  transition: max-height 160ms ease, margin 160ms ease, opacity 160ms ease;
}

.flight-point summary:hover .flight-point-node,
.flight-point summary:focus-visible .flight-point-node,
.flight-point details[open] > summary .flight-point-node {
  color: #fff;
  background: var(--flight-ink);
  border-color: var(--flight-ink);
  transform: scale(1.1);
}

.flight-point summary:hover .flight-point-action,
.flight-point summary:focus-visible .flight-point-action,
.flight-point details[open] > summary .flight-point-action {
  max-height: 24px;
  margin-top: 8px;
  opacity: 1;
}

.flight-point details[open] > summary .flight-point-copy strong {
  color: var(--flight-teal);
}

.flight-point .marker-presentation-reveal {
  text-align: left;
}

.marker-presentation-course-leg {
  margin: 24px 0 -8px;
  color: var(--flight-copper);
  font-family: "DM Mono", monospace;
  font-size: 0.62rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.flight-plot .marker-presentation-window {
  border-top: 5px solid var(--flight-teal);
}

.flight-point.is-aviation .marker-presentation-window {
  border-top-color: var(--flight-amber);
}

.flight-point.is-project .marker-presentation-window {
  border-top-color: var(--flight-copper);
}

.flight-plot-note {
  position: absolute;
  right: 38px;
  bottom: 28px;
  z-index: 4;
  max-width: none;
  margin: 0;
  color: var(--flight-muted);
  font-size: 0.55rem;
  letter-spacing: 0.05em;
  line-height: 1.5;
  text-align: right;
  white-space: nowrap;
}

@media (min-width: 1051px) {
  .flight-plot-title h1 {
    font-size: clamp(2rem, 3.5vw, 3.75rem);
    white-space: nowrap;
  }

  .flight-plot-title > span {
    max-width: none;
    white-space: nowrap;
  }
}

@media (max-width: 1050px) {
  .flight-plot-heading,
  .flight-plot-stage {
    width: calc(100% - 40px);
  }

  .flight-plot-title h1 {
    font-size: clamp(2rem, 5.2vw, 3.5rem);
  }

  .flight-point-copy {
    width: clamp(205px, 27vw, 280px);
  }
}

@media (max-width: 760px) {
  .flight-plot-heading {
    width: calc(100% - 28px);
    flex-direction: column;
    gap: 25px;
    padding: 30px 0 26px;
  }

  .flight-plot-title h1 {
    font-size: clamp(2rem, 10vw, 3rem);
  }

  .flight-plot-title h1 > span {
    display: block;
  }

  .flight-plot-title > span {
    font-size: 0.88rem;
  }

  .flight-plot-page-aerial img {
    object-position: 45% center;
    opacity: 0.78;
  }

  .flight-plot-stage {
    width: calc(100% - 20px);
  }

  .flight-plot-stage {
    height: 2600px;
    border-radius: 18px;
  }

  .flight-plot-chart-heading {
    min-height: 210px;
    flex-direction: column;
    gap: 16px;
    padding: 24px 20px;
  }

  .flight-plot-chart-heading h2 {
    font-size: 1.25rem;
  }

  .flight-plot-key {
    justify-content: flex-start;
  }

  .flight-plot-chart-tools {
    align-items: flex-start;
  }

  .flight-plot-chart-meta {
    justify-content: flex-start;
  }

  .flight-plot-chart-tools .marker-presentation-about {
    position: static;
    margin-top: 2px;
  }

  .flight-plot-interaction-hint {
    position: static;
    max-width: 270px;
    margin-top: 2px;
    text-align: left;
  }

  .flight-plot-compass {
    display: none;
  }

  .flight-route-desktop {
    display: none;
  }

  .flight-route-mobile {
    width: 130px;
    display: block;
  }

  .flight-route,
  .flight-plot-course {
    top: 210px;
  }

  .flight-plot-continuation {
    top: 2320px;
    left: 44px;
    width: 170px;
    transform: rotate(-5deg);
  }

  .flight-plot-monument {
    top: 690px;
    left: 1%;
    width: 104%;
    grid-template-columns: 1fr;
    gap: 8px;
    transform: rotate(-7deg);
  }

  .flight-plot-monument span {
    font-size: 3rem;
  }

  .flight-plot-monument i {
    width: 75%;
    height: 13px;
  }

  .flight-plot-monument i::after {
    right: -28px;
    border-top-width: 22px;
    border-bottom-width: 22px;
    border-left-width: 32px;
  }

  .flight-plot-monument strong {
    margin: -8px 0 0 52%;
    font-size: 11rem;
  }

  .flight-point {
    left: var(--plot-mobile-x);
    margin: -23px 0 0 -23px;
  }

  .flight-point summary {
    width: 46px;
    height: 46px;
  }

  .flight-point-copy,
  .flight-point.is-west .flight-point-copy,
  .flight-point.is-east .flight-point-copy,
  .flight-point.is-north .flight-point-copy {
    top: 50%;
    bottom: auto;
    left: 64px;
    right: auto;
    width: min(255px, calc(100vw - 105px));
    align-items: flex-start;
    text-align: left;
    transform: translateY(-50%);
  }

  .flight-point-copy strong {
    font-size: 0.96rem;
  }

  .flight-point-action {
    display: none;
  }

  .flight-plot-note {
    right: 12px;
    bottom: 22px;
    left: 12px;
    font-size: 0.42rem;
    letter-spacing: 0;
    text-align: center;
    white-space: nowrap;
  }
}

@media (prefers-reduced-motion: reduce) {
  .flight-route-signal {
    animation: none;
  }

  .flight-point-node,
  .flight-point-action {
    transition: none;
  }
}