:root {
  --bg: #0d0f0f;
  --fg: #e8e4d9;
  --muted: #9b9a92;
  --border: #303332;
  --accent: #a8c7b5;
  --max-width: 680px;
  --font-serif: 'Courier New', Courier, monospace;
  --font-sans: 'Courier New', Courier, monospace;
  --font-mono: 'Courier New', Courier, monospace;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; color-scheme: dark; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font-sans);
  font-size: 1.0625rem;
  line-height: 1.7;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}
a {
  color: var(--accent);
  text-decoration-line: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 0.18em;
  transition: text-decoration-thickness 0.15s ease, text-underline-offset 0.15s ease;
}
a:hover { text-decoration-thickness: 2px; text-underline-offset: 0.12em; }
a:focus-visible, button:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; }
.skip-link { position: fixed; left: 1rem; top: -5rem; z-index: 100; padding: 0.5rem 0.75rem; background: var(--fg); color: var(--bg); }
.skip-link:focus { top: 1rem; }
.shell { width: min(calc(100% - 2rem), 60rem); margin-inline: auto; }
.measure { width: min(100%, var(--max-width)); }
.site-header { padding-block: 1.5rem; border-bottom: 1px solid var(--border); }
.nav-wrap { display: flex; align-items: center; justify-content: space-between; gap: 1.5rem; }
.wordmark { color: var(--fg); font-family: var(--font-serif); font-size: 1.45rem; font-weight: 700; line-height: 1; text-decoration: none; letter-spacing: -0.02em; }
.wordmark:hover { text-decoration: none; }
.site-nav ul { display: flex; gap: 1.25rem; margin: 0; padding: 0; list-style: none; }
.site-nav a { color: var(--fg); font-size: 0.9rem; text-decoration: none; }
.site-nav a:hover, .site-nav a[aria-current='page'] { text-decoration: underline; text-underline-offset: 0.25em; }
.nav-toggle { display: none; padding: 0; color: var(--fg); background: transparent; border: 0; font-family: var(--font-mono); font-size: 0.75rem; letter-spacing: 0.05em; text-transform: uppercase; }
main { padding-block: 4rem; }
.intro { margin: 0 0 3rem; color: var(--muted); font-family: var(--font-mono); font-size: 0.75rem; letter-spacing: 0.015em; line-height: 1.6; text-transform: uppercase; }
h1, h2, h3 { font-family: var(--font-serif); font-weight: 700; line-height: 1.12; letter-spacing: -0.04em; }
h1 { max-width: 48rem; margin: 0 0 1.5rem; font-size: clamp(2.45rem, 9vw, 4.75rem); }
h2 { margin: 3rem 0 1rem; font-size: clamp(1.65rem, 5vw, 2.15rem); }
h3 { margin: 2rem 0 0.75rem; font-size: 1.3rem; }
p { margin: 0 0 1.25rem; }
.dek { max-width: var(--max-width); color: #c9c5ba; font-family: var(--font-serif); font-size: clamp(1.15rem, 3vw, 1.4rem); line-height: 1.6; }
.article-dek { margin-bottom: 0; color: var(--muted); font-family: var(--font-serif); font-size: 1.25rem; line-height: 1.5; }
hr { margin: 4rem 0; border: 0; border-top: 1px solid var(--border); }
.section-title { margin: 0 0 1.5rem; font-family: var(--font-mono); font-size: 0.8rem; font-weight: 500; letter-spacing: 0.06em; text-transform: uppercase; }
.guide-list { margin: 0; padding: 0; list-style: none; border-top: 1px solid var(--border); }
.guide-list li { display: grid; grid-template-columns: 7.5rem minmax(0, 1fr) auto; gap: 1rem; padding-block: 1rem; border-bottom: 1px solid var(--border); align-items: baseline; }
.guide-list time, .guide-list span, .label, .footnote { color: var(--muted); font-family: var(--font-mono); font-size: 0.72rem; letter-spacing: 0.015em; text-transform: uppercase; }
.guide-list a { color: var(--fg); font-family: var(--font-serif); font-size: 1.13rem; }
.start-list { margin: 0; padding-left: 1.65rem; }
.start-list li { padding: 0.5rem 0 0.5rem 0.5rem; font-family: var(--font-serif); font-size: 1.2rem; }
.start-list li::marker { color: var(--muted); font-family: var(--font-mono); font-size: 0.75rem; }
.page-header { margin-bottom: 3rem; }
.page-header h1 { font-size: clamp(2.5rem, 8vw, 4.1rem); }
.prose { max-width: var(--max-width); font-size: 1.125rem; line-height: 1.72; }
.prose > :first-child { margin-top: 0; }
.prose ul, .prose ol { margin: 1.5rem 0; padding-left: 1.5rem; }
.prose li { padding-left: 0.35rem; margin-bottom: 0.75rem; }
.prose blockquote { margin: 2.5rem 0; padding-left: 1.5rem; border-left: 2px solid var(--fg); font-family: var(--font-serif); font-size: 1.4rem; font-style: italic; line-height: 1.45; }
.prose blockquote p { margin: 0; }
.callout { margin: 2.5rem 0; padding: 1.5rem 0; border-block: 1px solid var(--border); font-size: 1rem; }
.callout .label { display: block; margin-bottom: 0.75rem; color: var(--fg); }
.article-header { max-width: var(--max-width); margin-bottom: 3rem; }
.article-header h1 { margin-top: 0.75rem; font-size: clamp(2.45rem, 8vw, 4.2rem); }
.article-footer-cta { margin-top: 3rem; font-family: var(--font-serif); font-size: 1.1rem; }
.article-index { margin: 0; padding: 0; list-style: none; }
.article-index li { padding: 1.5rem 0; border-top: 1px solid var(--border); }
.article-index li:last-child { border-bottom: 1px solid var(--border); }
.article-index .label { display: block; margin-bottom: 0.5rem; }
.article-index h2 { margin: 0 0 0.5rem; font-size: 1.6rem; }
.article-index p { max-width: 38rem; margin: 0; color: var(--muted); }
.contact-line { max-width: var(--max-width); font-family: var(--font-serif); font-size: 1.35rem; line-height: 1.6; }
.contact-details { margin: 3rem 0 0; }
.contact-details div { display: grid; grid-template-columns: 11rem minmax(0, 1fr); gap: 1rem; padding: 1.25rem 0; border-top: 1px solid var(--border); }
.contact-details div:last-child { border-bottom: 1px solid var(--border); }
.contact-details dt { color: var(--muted); font-size: 0.78rem; letter-spacing: 0.04em; text-transform: uppercase; }
.contact-details dd { margin: 0; font-weight: 700; overflow-wrap: anywhere; }
.legal h2 { font-size: 1.45rem; }
.reading-progress { position: fixed; inset: 0 auto auto 0; z-index: 20; width: 0; height: 2px; background: var(--accent); }
.site-footer { padding-block: 1.5rem 2rem; border-top: 1px solid var(--border); }
.footer-line { display: flex; flex-wrap: wrap; gap: 0.5rem 1.25rem; margin: 0; color: var(--muted); font-family: var(--font-mono); font-size: 0.68rem; line-height: 1.7; text-transform: uppercase; }
.footer-line a { color: var(--muted); }

@media (max-width: 640px) {
  .shell { width: min(calc(100% - 1.5rem), 60rem); }
  .site-header { padding-block: 1.25rem; }
  .nav-toggle { display: block; }
  .site-nav { display: none; position: absolute; inset: 4.1rem 0 auto; padding: 1rem 0; background: var(--bg); border-bottom: 1px solid var(--border); }
  .site-nav.is-open { display: block; }
  .site-nav ul { width: min(calc(100% - 1.5rem), 60rem); margin-inline: auto; flex-direction: column; gap: 0.75rem; }
  main { padding-block: 3rem; }
  .intro { margin-bottom: 2rem; }
  hr { margin: 3rem 0; }
  .guide-list li { grid-template-columns: 1fr auto; gap: 0.35rem 1rem; }
  .guide-list time { grid-column: 1 / -1; }
  .guide-list a { font-size: 1.05rem; }
  .contact-details div { grid-template-columns: 1fr; gap: 0.35rem; }
}

@media print {
  @page { margin: 2cm; }
  .site-header, .reading-progress { display: none; }
  body { background: #fff; color: #000; }
  .shell { width: 100%; max-width: none; }
  main { padding: 0; }
  .prose, .article-header { max-width: none; }
  a { color: #000; text-decoration: underline; }
  .site-footer { margin-top: 2rem; }
}