@font-face {
  font-family: "JetBrains Mono";
  src: url("/fonts/JetBrainsMono-Regular.woff2") format("woff2");
  font-display: swap;
}

:root {
  color-scheme: light;
  --paper: #f4f3ef;
  --ink: #111;
  --quiet: #60625f;
  --blue: #2256d8;
  --line: #c9c8c2;
}

* { box-sizing: border-box; }
html { background: var(--paper); }
body {
  margin: 0;
  color: var(--ink);
  background: linear-gradient(rgba(17, 17, 17, 0.025) 1px, transparent 1px) 0 0 / 100% 4px, var(--paper);
  font-family: "JetBrains Mono", ui-monospace, monospace;
  line-height: 1.65;
}
a { color: var(--blue); text-underline-offset: 0.18em; }
a:focus-visible { outline: 3px solid var(--blue); outline-offset: 4px; }
.info-nav, .info-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  width: min(100% - 2rem, 72rem);
  margin: 0 auto;
  padding: 1.2rem 0;
  border-bottom: 1px solid var(--line);
  font-size: 0.76rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.info-nav > a { color: var(--ink); font-weight: 700; text-decoration: none; }
.info-nav div { display: flex; flex-wrap: wrap; gap: 1rem; }
.info-page { width: min(100% - 2rem, 58rem); margin: 0 auto; padding: clamp(3rem, 8vw, 6rem) 0; }
.fact-label { color: var(--quiet); font-size: 0.78rem; letter-spacing: 0.1em; text-transform: uppercase; }
h1 { max-width: 15ch; margin: 0 0 1.4rem; font-size: clamp(2.6rem, 8vw, 6rem); line-height: 0.92; letter-spacing: -0.07em; }
.lede { max-width: 60ch; color: #30312f; font-family: Georgia, serif; font-size: clamp(1.2rem, 3vw, 1.55rem); line-height: 1.5; }
.primary-action { display: inline-block; margin: 1rem 0 3rem; padding: 0.9rem 1.2rem; color: white; background: var(--blue); font-weight: 700; text-decoration: none; }
.info-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; margin: 3rem 0; background: var(--ink); border: 1px solid var(--ink); }
.info-grid article { padding: 1.3rem; background: var(--paper); }
.info-grid strong { display: block; margin: 0.35rem 0; font-size: 1.05rem; }
.prose { max-width: 46rem; }
.prose h2 { margin-top: 3.3rem; font-size: clamp(1.4rem, 4vw, 2rem); line-height: 1.15; }
.prose h3 { margin-top: 2rem; }
.prose p, .prose li { font-family: Georgia, serif; font-size: 1.08rem; }
.example-board { margin: 2rem 0; padding: 1.5rem; border: 1px solid var(--ink); box-shadow: 7px 7px 0 var(--ink); }
.example-board ol { margin: 1rem 0; padding: 0; list-style: none; font-size: clamp(1.25rem, 4vw, 2rem); font-weight: 700; }
.example-board li { font-family: "JetBrains Mono", monospace; }
.example-board .gone { color: #8a2e2e; text-decoration: line-through 0.13em; }
.example-board .target { color: var(--blue); }
.answer-list { margin: 2rem 0; padding: 0; border-top: 1px solid var(--line); list-style: none; }
.answer-list li { padding: 1.2rem 0; border-bottom: 1px solid var(--line); }
.answer-list strong { display: block; font-family: "JetBrains Mono", monospace; }
.info-footer { border-top: 1px solid var(--line); border-bottom: 0; }
@media (max-width: 44rem) {
  .info-nav { align-items: flex-start; }
  .info-nav div { justify-content: flex-end; text-align: right; }
  .info-grid { grid-template-columns: 1fr; }
  .prose p, .prose li { font-size: 1rem; }
}