/* The Lights Across the River: the history page. Night ice and lamplight, a serif set for long reading. */

@font-face {
  font-family: 'Cormorant Garamond';
  font-style: normal;
  font-weight: 500;
  font-display: swap;
  src: url('/fonts/cormorant-garamond-latin-500-normal.woff2') format('woff2');
}
@font-face {
  font-family: 'Cormorant Garamond';
  font-style: italic;
  font-weight: 500;
  font-display: swap;
  src: url('/fonts/cormorant-garamond-latin-500-italic.woff2') format('woff2');
}

:root {
  --ink: #0a0d14;
  --ice: #e6ebf2;
  --ice-2: rgba(230, 235, 242, 0.78);
  --ice-3: rgba(230, 235, 242, 0.55);
  --lamp: #e8b25a;
  --shoe: #b0413a;
  --serif: 'Cormorant Garamond', Georgia, 'Times New Roman', serif;
  color-scheme: dark;
}

* { box-sizing: border-box; }

html { background: var(--ink); }

body {
  margin: 0;
  background: var(--ink);
  color: var(--ice);
  font-family: var(--serif);
  font-weight: 500;
  font-size: 21px;
  line-height: 1.55;
  -webkit-text-size-adjust: 100%;
}

a { color: inherit; }

.top {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  padding: 14px 16px;
  font-size: 15px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
}
.top a { color: var(--ice-3); text-decoration: none; min-height: 44px; display: inline-flex; align-items: center; }
.top a:hover, .top a:focus-visible { color: var(--ice); outline: none; }

.read {
  max-width: 34em;
  margin: 0 auto;
  padding: 24px 16px 64px;
}

.kicker {
  margin: 0 0 12px;
  font-size: 13px;
  letter-spacing: 0.32em;
  text-transform: uppercase;
  color: var(--ice-3);
}

h1 {
  margin: 0;
  font-weight: 500;
  font-size: clamp(44px, 7vw + 16px, 84px);
  line-height: 1;
  text-wrap: balance;
}

h2 {
  margin: 2.2em 0 0.4em;
  font-weight: 500;
  font-size: 30px;
  line-height: 1.15;
}

p { margin: 0 0 1em; }

.warn {
  margin: 24px 0 40px;
  padding: 12px 16px;
  border-left: 2px solid var(--shoe);
  font-style: italic;
  font-size: 18px;
  color: var(--ice-2);
}

.date { margin: -24px 0 28px; font-size: 16px; color: var(--ice-3); }

.toc { margin: 0 0 2em; font-size: 18px; }
.toc ol { margin: 0; padding-left: 1.3em; color: var(--ice-3); columns: 2 14em; column-gap: 32px; }
.toc li { margin-bottom: 0.25em; break-inside: avoid; }
.toc a { color: var(--ice-2); text-decoration-color: rgba(230, 235, 242, 0.3); text-underline-offset: 3px; }
.toc a:hover, .toc a:focus-visible { color: var(--ice); text-decoration-color: var(--lamp); outline: none; }

h2[id] { scroll-margin-top: 16px; }

.short {
  margin: 0 0 1.4em;
  padding: 16px 18px 6px;
  border: 1px solid rgba(230, 235, 242, 0.16);
  border-radius: 4px;
  background: rgba(230, 235, 242, 0.03);
}
.short h2 { margin-top: 0; font-size: 24px; }
.short ul { margin: 0 0 0.6em; padding-left: 1.1em; color: var(--ice-2); }
.short li { margin-bottom: 0.35em; }

.ask {
  margin: 1.6em 0;
  font-style: italic;
  font-size: 28px;
  line-height: 1.3;
  text-wrap: balance;
}

.figures {
  width: 100%;
  margin: 0.4em 0 1.4em;
  border-collapse: collapse;
  font-size: 18px;
}
.figures caption { text-align: left; font-style: italic; color: var(--ice-3); padding-bottom: 6px; font-size: 16px; }
.figures th, .figures td { padding: 6px 8px; border-bottom: 1px solid rgba(230, 235, 242, 0.12); text-align: left; }
.figures td:last-child, .figures th:last-child { text-align: right; font-variant-numeric: tabular-nums; }
.figures th { font-weight: 500; color: var(--ice-3); }

.photo { margin: 1.2em 0 1.6em; display: grid; gap: 14px; align-items: end; }
.photo img { display: block; width: 100%; max-width: 260px; height: auto; border-radius: 3px; }
.photo figcaption { font-size: 16px; font-style: italic; color: var(--ice-3); }
.photo figcaption a { text-underline-offset: 3px; }

.split {
  display: grid;
  gap: 8px 32px;
  margin-top: 1em;
}
.split h2 { margin-top: 1.4em; }
.split ul, .sources {
  margin: 0;
  padding-left: 1.1em;
  color: var(--ice-2);
}
.split li, .sources li { margin-bottom: 0.4em; }
.sources { font-size: 18px; }
.sources a { text-decoration-color: rgba(230, 235, 242, 0.35); text-underline-offset: 3px; }
.sources a:hover, .sources a:focus-visible { text-decoration-color: var(--lamp); outline: none; }

.faq details { border-bottom: 1px solid rgba(230, 235, 242, 0.14); padding: 10px 0; }
.faq summary { cursor: pointer; min-height: 44px; display: flex; align-items: center; font-size: 22px; }
.faq summary:focus-visible { outline: 1px solid var(--lamp); outline-offset: 4px; }
.faq details p { margin: 8px 0 6px; color: var(--ice-2); }

.back { margin-top: 48px; display: flex; flex-wrap: wrap; gap: 12px; }
.btn {
  display: inline-flex;
  align-items: center;
  min-height: 52px;
  padding: 10px 24px;
  border: 1px solid rgba(230, 235, 242, 0.5);
  border-radius: 2px;
  text-decoration: none;
  font-size: 19px;
  letter-spacing: 0.08em;
}
.btn:hover, .btn:focus-visible { border-color: var(--ice); background: rgba(230, 235, 242, 0.06); outline: none; }

/* The simplified route map. */
.map { margin: 1.4em 0 2em; }
.map svg { display: block; width: 100%; height: auto; background: #0f141d; border: 1px solid rgba(230, 235, 242, 0.14); border-radius: 4px; }
.map .route { fill: none; stroke: var(--lamp); stroke-width: 3; stroke-linecap: round; stroke-linejoin: round; }
.map .alt { fill: none; stroke: var(--lamp); stroke-width: 2.2; stroke-dasharray: 7 6; stroke-linecap: round; opacity: 0.75; }
.map .flight { fill: none; stroke: var(--ice-3); stroke-width: 1.8; stroke-dasharray: 2 7; stroke-linecap: round; }
.map .city { fill: var(--ice); stroke: #0a0d14; stroke-width: 1.5; }
.map .city--start { fill: var(--shoe); }
.map .city--ref { fill: none; stroke: var(--ice-3); }
.map .city-name { fill: var(--ice); font-size: 15px; }
.map .city-name--ref { fill: var(--ice-3); font-size: 13px; font-style: italic; }
.map .area { fill: rgba(230, 235, 242, 0.32); font-size: 20px; letter-spacing: 0.14em; text-transform: uppercase; }
.map .leg { fill: var(--lamp); font-size: 13px; font-style: italic; }
.map figcaption { margin-top: 10px; font-size: 16px; font-style: italic; color: var(--ice-3); }

@media (min-width: 760px) {
  .split { grid-template-columns: 1fr 1fr; }
  .photo { grid-template-columns: 260px 1fr; }
}