:root {
  color-scheme: light;
  --paper: #f4f0e7;
  --paper-strong: #fffdf7;
  --ink: #122b34;
  --ink-soft: #557078;
  --lake: #7fc8dd;
  --marker: #b83b2f;
  --park: #3c725d;
  --line: rgba(18, 43, 52, 0.14);
  --shadow: 0 24px 60px rgba(18, 43, 52, 0.14);
  --display: "Iowan Old Style", "Palatino Linotype", Palatino, Georgia, serif;
  --interface: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  background: var(--paper);
  color: var(--ink);
  font-family: var(--interface);
  scroll-behavior: smooth;
}

body {
  min-width: 320px;
  margin: 0;
  background:
    radial-gradient(circle at 10% 8%, rgba(255, 255, 255, 0.72), transparent 28rem),
    var(--paper);
}

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

button {
  font: inherit;
}

.skip-link {
  position: fixed;
  top: 0.75rem;
  left: 0.75rem;
  z-index: 9999;
  padding: 0.75rem 1rem;
  border-radius: 999px;
  background: var(--ink);
  color: white;
  transform: translateY(-160%);
}

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

.atlas-shell {
  display: grid;
  grid-template-columns: minmax(21rem, 26rem) minmax(0, 1fr);
  grid-template-rows: auto minmax(0, 1fr);
  grid-template-areas:
    "copy map"
    "places map";
  min-height: 100svh;
}

.atlas-rail {
  display: contents;
}

.atlas-copy {
  grid-area: copy;
  min-width: 0;
  padding: clamp(1.4rem, 3vw, 2.5rem) clamp(1.4rem, 3vw, 2.5rem) 0;
}

.places-panel {
  grid-area: places;
  min-height: 0;
  overflow-y: auto;
  padding: 0 clamp(1.4rem, 3vw, 2.5rem) clamp(1.4rem, 3vw, 2.5rem);
  scrollbar-width: thin;
  scrollbar-color: var(--line) transparent;
}

.masthead {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding-bottom: 1.4rem;
  border-bottom: 1px solid var(--line);
}

.wordmark {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  color: var(--ink);
  font-size: 0.72rem;
  font-weight: 760;
  letter-spacing: 0.13em;
  text-decoration: none;
}

.wordmark-mark {
  display: grid;
  width: 2.25rem;
  height: 2.25rem;
  place-items: center;
  border-radius: 50%;
  background: var(--marker);
  color: white;
  font-size: 0.7rem;
  letter-spacing: 0.05em;
}

.masthead-coordinates {
  margin: 0;
  color: var(--ink-soft);
  font-size: 0.66rem;
  letter-spacing: 0.05em;
  white-space: nowrap;
}

.introduction {
  padding: clamp(2.3rem, 6vh, 4.75rem) 0 clamp(1.6rem, 4vh, 2.8rem);
}

.eyebrow {
  margin: 0 0 0.75rem;
  color: var(--marker);
  font-size: 0.7rem;
  font-weight: 760;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

h1 {
  max-width: 8ch;
  margin: 0;
  font-family: var(--display);
  font-size: clamp(3.2rem, 6vw, 5.8rem);
  font-weight: 500;
  letter-spacing: -0.065em;
  line-height: 0.84;
}

.deck {
  max-width: 31rem;
  margin: 1.4rem 0 0;
  color: var(--ink-soft);
  font-family: var(--display);
  font-size: 1.08rem;
  line-height: 1.48;
}

.place-list {
  display: grid;
  margin: 0;
  padding: 0;
  list-style: none;
}

.place-list li {
  border-top: 1px solid var(--line);
}

.place-list li:last-child {
  border-bottom: 1px solid var(--line);
}

.place-button {
  display: grid;
  grid-template-columns: 2rem minmax(0, 1fr) auto;
  width: 100%;
  align-items: center;
  gap: 0.8rem;
  padding: 0.66rem 0.4rem;
  border: 0;
  border-radius: 0.65rem;
  background: transparent;
  color: var(--ink);
  cursor: pointer;
  text-align: left;
  transition: background-color 180ms ease, transform 180ms ease;
}

.place-button:hover,
.place-button.is-active {
  background: rgba(255, 255, 255, 0.66);
}

.place-button:hover {
  transform: translateX(0.2rem);
}

.place-button:focus-visible,
.reset-button:focus-visible,
.wordmark:focus-visible {
  outline: 3px solid var(--lake);
  outline-offset: 3px;
}

.place-number {
  color: var(--marker);
  font-family: var(--display);
  font-size: 0.85rem;
}

.place-copy {
  display: grid;
  gap: 0.12rem;
}

.place-name {
  overflow: hidden;
  font-family: var(--display);
  font-size: 1rem;
  font-weight: 600;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.place-category {
  color: var(--ink-soft);
  font-size: 0.62rem;
  font-weight: 680;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.place-arrow {
  color: var(--ink-soft);
  opacity: 0;
  transform: translate(-0.25rem, 0.25rem);
  transition: opacity 180ms ease, transform 180ms ease;
}

.place-button:hover .place-arrow,
.place-button.is-active .place-arrow {
  opacity: 1;
  transform: none;
}

.reset-button {
  display: inline-flex;
  width: fit-content;
  align-items: center;
  gap: 0.55rem;
  margin-top: 1.25rem;
  padding: 0.72rem 1rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: transparent;
  color: var(--ink);
  cursor: pointer;
  font-size: 0.72rem;
  font-weight: 720;
}

.reset-button:hover {
  border-color: rgba(18, 43, 52, 0.34);
  background: rgba(255, 255, 255, 0.58);
}

.atlas-note {
  max-width: 29rem;
  margin: 1rem 0 0;
  color: var(--ink-soft);
  font-size: 0.65rem;
  line-height: 1.45;
}

.atlas-note a {
  color: var(--ink);
  font-weight: 700;
  text-underline-offset: 0.18em;
}

.map-stage {
  grid-area: map;
  position: sticky;
  top: 0;
  min-width: 0;
  height: 100svh;
  padding: 1rem 1rem 1rem 0;
}

.map-canvas {
  width: 100%;
  height: 100%;
  overflow: hidden;
  border: 1px solid rgba(18, 43, 52, 0.09);
  border-radius: 1.75rem;
  background: var(--lake);
  box-shadow: var(--shadow);
}

.map-heading {
  position: absolute;
  top: 2rem;
  right: 2rem;
  left: 1rem;
  z-index: 500;
  display: flex;
  justify-content: space-between;
  padding: 0 1rem;
  color: var(--ink);
  font-size: 0.64rem;
  font-weight: 750;
  letter-spacing: 0.14em;
  pointer-events: none;
  text-transform: uppercase;
}

.place-detail {
  position: absolute;
  right: 2.4rem;
  bottom: 2.4rem;
  z-index: 600;
  width: min(22rem, calc(100% - 4.8rem));
  padding: 1.25rem;
  border: 1px solid rgba(18, 43, 52, 0.1);
  border-radius: 1.25rem;
  background: rgba(255, 253, 247, 0.94);
  box-shadow: 0 16px 45px rgba(18, 43, 52, 0.18);
  backdrop-filter: blur(16px);
}

.detail-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.detail-number,
.detail-category,
.detail-coordinates {
  font-size: 0.63rem;
  font-weight: 760;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.detail-number {
  display: grid;
  width: 2rem;
  height: 2rem;
  place-items: center;
  border-radius: 50%;
  background: var(--marker);
  color: white;
}

.detail-category,
.detail-coordinates {
  color: var(--ink-soft);
}

.place-detail h2 {
  margin: 0.9rem 0 0;
  font-family: var(--display);
  font-size: 1.8rem;
  font-weight: 600;
  letter-spacing: -0.035em;
}

.place-detail p:not(.detail-coordinates) {
  margin: 0.55rem 0 0;
  color: var(--ink-soft);
  font-size: 0.84rem;
  line-height: 1.48;
}

.detail-coordinates {
  margin: 0.9rem 0 0;
}

.city-marker {
  display: grid;
  width: 2.25rem;
  height: 2.25rem;
  place-items: center;
  border: 4px solid var(--paper-strong);
  border-radius: 50% 50% 50% 0;
  background: var(--marker);
  box-shadow: 0 8px 20px rgba(18, 43, 52, 0.24);
  color: white;
  font-family: var(--interface);
  font-size: 0.65rem;
  font-weight: 800;
  transform: rotate(-45deg);
  transition: background-color 180ms ease, scale 180ms ease;
}

.city-marker span {
  transform: rotate(45deg);
}

.city-marker.is-active,
.city-marker.is-hovered {
  background: var(--ink);
  scale: 1.18;
}

.place-button.is-hovered:not(.is-active) {
  background: rgba(255, 255, 255, 0.46);
}

.leaflet-div-icon {
  border: 0;
  background: transparent;
}

.leaflet-control-attribution {
  margin: 0 0.75rem 0.75rem 0 !important;
  border-radius: 0.45rem;
  background: rgba(255, 253, 247, 0.88) !important;
  color: var(--ink-soft);
  font-family: var(--interface);
}

.leaflet-control-attribution a {
  color: var(--ink);
}

.leaflet-control-zoom {
  margin: 4rem 1rem 0 0 !important;
  overflow: hidden;
  border: 0 !important;
  border-radius: 0.85rem !important;
  box-shadow: 0 8px 24px rgba(18, 43, 52, 0.18) !important;
}

.leaflet-control-zoom a {
  width: 2.4rem !important;
  height: 2.4rem !important;
  border-color: var(--line) !important;
  background: rgba(255, 253, 247, 0.94) !important;
  color: var(--ink) !important;
  line-height: 2.3rem !important;
}

.map-message,
.noscript-message {
  margin: 1rem;
  padding: 1rem;
  border-radius: 0.8rem;
  background: var(--paper-strong);
  color: var(--ink);
}

.map-message {
  position: absolute;
  top: 4.5rem;
  left: 2rem;
  z-index: 650;
  max-width: 22rem;
  border: 1px solid var(--line);
  box-shadow: 0 14px 35px rgba(18, 43, 52, 0.14);
  font-size: 0.78rem;
  line-height: 1.45;
}

.map-message a,
.noscript-message a {
  color: var(--ink);
  font-weight: 700;
}

.map-canvas.is-unavailable {
  display: grid;
  place-items: center;
  background:
    linear-gradient(135deg, transparent 48%, rgba(18, 43, 52, 0.08) 49%, rgba(18, 43, 52, 0.08) 51%, transparent 52%) 0 0 / 3rem 3rem,
    var(--lake);
}

.visually-hidden {
  position: absolute !important;
  width: 1px !important;
  height: 1px !important;
  overflow: hidden !important;
  clip: rect(0 0 0 0) !important;
  clip-path: inset(50%) !important;
  white-space: nowrap !important;
}

@media (max-width: 899px) {
  .atlas-shell {
    grid-template-columns: minmax(0, 1fr);
    grid-template-rows: auto auto auto;
    grid-template-areas:
      "copy"
      "map"
      "places";
  }

  .atlas-copy {
    padding: 1.25rem;
  }

  .places-panel {
    overflow: visible;
    padding: 1.1rem 1.25rem 2rem;
  }

  .atlas-note {
    margin-top: 0.8rem;
  }

  .introduction {
    padding-top: 2.75rem;
  }

  h1 {
    font-size: clamp(3.6rem, 15vw, 6.2rem);
  }

  .place-list {
    display: grid;
    grid-auto-columns: minmax(15.5rem, 72vw);
    grid-auto-flow: column;
    gap: 0.75rem;
    overflow-x: auto;
    padding: 0.25rem 0.15rem 0.75rem;
    scroll-padding-inline: 0.15rem;
    scroll-snap-type: x mandatory;
    scrollbar-width: thin;
  }

  .place-list li,
  .place-list li:last-child {
    border: 1px solid var(--line);
    border-radius: 1rem;
    background: rgba(255, 255, 255, 0.32);
    scroll-snap-align: start;
  }

  .place-button {
    min-height: 4.75rem;
    padding: 0.8rem;
  }

  .map-stage {
    position: relative;
    display: grid;
    height: auto;
    padding: 0 1rem 1rem;
  }

  .map-canvas {
    height: clamp(28rem, 58svh, 38rem);
  }

  .map-heading {
    top: 1rem;
    right: 2rem;
    left: 2rem;
  }

  .place-detail {
    position: relative;
    right: auto;
    bottom: auto;
    left: auto;
    width: auto;
    margin: -2.25rem 1rem 0;
  }
}

@media (max-width: 520px) {
  .masthead-coordinates {
    display: none;
  }

  .atlas-copy {
    padding-inline: 1rem;
  }

  .map-stage {
    min-height: 0;
    padding-inline: 0;
  }

  .map-canvas {
    height: 56svh;
    min-height: 27rem;
    border-radius: 0;
  }

  .map-heading {
    right: 1rem;
    left: 1rem;
  }

  .place-detail {
    margin-inline: 1rem;
  }

  .places-panel {
    padding-inline: 1rem;
  }
}

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

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