@font-face {
  font-family: "Fell";
  src: url("/fonts/fell.woff2") format("woff2");
  font-display: swap;
}
@font-face {
  font-family: "Fell";
  font-style: italic;
  src: url("/fonts/fell-italic.woff2") format("woff2");
  font-display: swap;
}

:root {
  color-scheme: light;
  --vellum: #f5f0e4;
  --land: #ebe2cc;
  --ink: #1c2541;
  --ink-soft: #4a4f62;
  --claret: #7a2335;
  --on-claret: #f7eee9;
  --page: min(100% - 2rem, 72rem);
  --display: "Fell", ui-serif, "New York", Georgia, serif;
  --text: ui-serif, "New York", Georgia, serif;
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--vellum);
  color: var(--ink);
  font: 400 1.125rem/1.6 var(--text);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

h1, h2, p, ul, ol { margin: 0; }
ul, ol { padding: 0; list-style: none; }
img, canvas, svg { display: block; }
img { max-width: 100%; height: auto; }

a { color: inherit; text-underline-offset: 0.18em; text-decoration-thickness: 1px; }
a:hover { color: var(--claret); }
:focus-visible { outline: 2px solid var(--claret); outline-offset: 3px; }

.web {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
}

/* The chart. */
.hero {
  position: relative;
  padding: 1.25rem 0 0;
  overflow: hidden;
}
.hero .web {
  -webkit-mask-image: linear-gradient(to right, transparent 8%, #000 48%);
  mask-image: linear-gradient(to right, transparent 8%, #000 48%);
}
.hero::after {
  content: "";
  position: absolute;
  inset: auto 0 0;
  height: 14rem;
  background: linear-gradient(transparent, var(--vellum));
  pointer-events: none;
}

.rose {
  position: absolute;
  top: clamp(1rem, 9vw, 7.5rem);
  right: clamp(1rem, 13vw, 13rem);
  width: clamp(11rem, 34vw, 31rem);
  height: auto;
  animation: find-north 2s cubic-bezier(0.22, 1.1, 0.36, 1) both;
}
@keyframes find-north {
  from { transform: rotate(-58deg); }
}

.maker {
  position: relative;
  z-index: 1;
  display: block;
  width: var(--page);
  margin: 0 auto;
  font-size: 1rem;
  text-align: right;
  text-decoration: none;
  color: var(--ink-soft);
}

.title {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: max-content 1fr;
  column-gap: 0.75rem;
  justify-items: start;
  width: var(--page);
  margin: clamp(1rem, 4vw, 3.5rem) auto 0;
}
h1 {
  font: italic 400 clamp(6.5rem, 17vw, 14.5rem)/0.92 var(--display);
  letter-spacing: -0.01em;
  margin-left: -0.04em;
}
.kanji {
  writing-mode: vertical-rl;
  align-self: center;
  font: 400 clamp(1.125rem, 2.1vw, 1.625rem)/1 "Hiragino Mincho ProN", "Yu Mincho", "Noto Serif JP", serif;
  letter-spacing: 0.3em;
  color: var(--claret);
}
.lede {
  grid-column: 1 / -1;
  margin-top: 0.75rem;
  font: 400 clamp(1.625rem, 3vw, 2.25rem)/1.2 var(--display);
}
.download {
  display: inline-block;
  padding: 0.8rem 1.6rem 0.75rem;
  border-radius: 0.6rem;
  background: var(--claret);
  color: var(--on-claret);
  font: 400 1.1875rem/1.2 var(--text);
  text-decoration: none;
  transition: background-color 0.15s;
}
.download:hover { background: #5f1a29; color: var(--on-claret); }
.title .download { grid-column: 1 / -1; margin-top: 1.75rem; }
.fine {
  grid-column: 1 / -1;
  margin-top: 0.75rem;
  font-size: 1rem;
  color: var(--ink-soft);
}

.window {
  position: relative;
  z-index: 1;
  width: min(100% - 2rem, 60rem);
  margin: clamp(3rem, 7vw, 5rem) auto 0;
}
.window img {
  width: 100%;
  border-radius: clamp(0.5rem, 1.1vw, 0.75rem);
  box-shadow: 0 0 0 1px rgb(28 37 65 / 0.14), 0 1.5rem 4rem rgb(28 37 65 / 0.24);
}

/* Arc. */
.arc {
  width: var(--page);
  max-width: 46rem;
  margin: clamp(4rem, 9vw, 7.5rem) auto;
}
.arc h2 {
  font: italic 400 clamp(2.5rem, 6vw, 4.25rem)/1.05 var(--display);
  color: var(--claret);
}
.arc p {
  margin-top: 1.25rem;
  font-size: clamp(1.1875rem, 2vw, 1.3125rem);
  max-width: 34em;
}

/* The features, as harbours on a coast: names written square to the shore
   the way sea charts wrote them, the important ports in red. */
.coast {
  --land-width: 42%;
  position: relative;
  padding: clamp(7rem, 13vw, 11rem) 0;
  overflow: hidden;
}
.coast .web {
  -webkit-mask-image: linear-gradient(transparent, #000 12%, #000 88%, transparent);
  mask-image: linear-gradient(transparent, #000 12%, #000 88%, transparent);
}
.land {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}
.ports { position: relative; }
.ports li {
  display: grid;
  grid-template-columns: var(--land-width) minmax(0, 1fr);
  align-items: center;
  padding: 0.85rem 0;
}
.ports h2 {
  padding-right: 1rem;
  font: italic 400 clamp(1.5rem, 2.8vw, 2.125rem)/1.1 var(--display);
  text-align: right;
  transform: translateX(var(--shift, 0)) rotate(var(--tilt, 0));
  transform-origin: 100% 50%;
}
.ports .major { padding: 1.5rem 0; }
.ports .major h2 {
  font-size: clamp(2rem, 4.4vw, 3.5rem);
  color: var(--claret);
}
.ports p {
  max-width: 27em;
  padding: 0 1rem 0 clamp(3rem, 7vw, 6rem);
  font-size: 1.0625rem;
}
.ports q { quotes: none; font-style: italic; }

/* Notes for testers. */
.notes {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: clamp(3rem, 6vw, 4.5rem) clamp(2.5rem, 6vw, 5rem);
  width: var(--page);
  margin: clamp(4rem, 8vw, 6rem) auto;
}
.notes h2 {
  margin-bottom: 0.75rem;
  font: italic 400 clamp(1.75rem, 3vw, 2.25rem)/1.15 var(--display);
}
.notes p + p { margin-top: 0.75rem; }
.open ol {
  margin-top: 1.25rem;
  counter-reset: step;
}
.open ol li {
  position: relative;
  padding-left: 2.25rem;
  counter-increment: step;
}
.open ol li + li { margin-top: 0.75rem; }
.open ol li::before {
  content: counter(step);
  position: absolute;
  left: 0;
  font-style: italic;
  color: var(--claret);
}
.terminal-note { margin-top: 1.5rem !important; font-size: 1rem; color: var(--ink-soft); }
.command {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  margin-top: 0.5rem;
  padding: 0.7rem 0.7rem 0.7rem 0.9rem;
  border: 1px solid rgb(28 37 65 / 0.2);
  border-radius: 0.5rem;
}
.command code {
  flex: 1;
  min-width: 0;
  font: 400 0.875rem/1.5 ui-monospace, "SF Mono", Menlo, monospace;
  overflow-wrap: anywhere;
}
.command button {
  border: 0;
  padding: 0.2rem 0.6rem;
  border-radius: 0.3rem;
  background: rgb(28 37 65 / 0.08);
  color: inherit;
  font: 400 0.9375rem/1.4 var(--text);
  cursor: pointer;
}
.command button:hover { background: rgb(28 37 65 / 0.15); }
.rough li {
  padding-left: 1.1rem;
  text-indent: -1.1rem;
}
.rough li::before {
  content: "";
  display: inline-block;
  width: 0.45rem;
  height: 0.45rem;
  margin-right: 0.65rem;
  border-radius: 50%;
  background: var(--claret);
  vertical-align: 0.15em;
}
.rough li + li { margin-top: 0.5rem; }

footer {
  padding: clamp(3rem, 7vw, 5rem) 1rem 3rem;
  text-align: center;
}
footer p { margin-top: 1.25rem; font-size: 1rem; color: var(--ink-soft); }

@media (max-width: 760px) {
  .rose { top: 1rem; right: 0.5rem; width: 9.5rem; }
  .hero .web { opacity: 0.6; }
  .maker { text-align: left; }
  .title { margin-top: 7rem; }
  .coast { --land-width: 37%; }
  .ports li, .ports .major { align-items: start; padding: 0.7rem 0; }
  .ports h2 { padding-right: 0.5rem; }
  .ports p { padding-left: 2rem; font-size: 1rem; line-height: 1.5; }
  .notes { grid-template-columns: minmax(0, 1fr); }
}

@media (prefers-reduced-motion: reduce) {
  .rose { animation: none; }
  .download { transition: none; }
}