:root {
  --ink: #111111;
  --paper: #fffdf2;
  --surface: #ffffff;
  --indigo: #4f46e5;
  --yellow: #fde047;
  --shadow: 6px 6px 0 var(--ink);
  --content-width: 1120px;
  --article-width: 760px;
}

* { box-sizing: border-box; }

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

body {
  min-width: 0;
  margin: 0;
  overflow-x: hidden;
  background: var(--paper);
  color: var(--ink);
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.55;
}

a { color: inherit; }

a:focus-visible,
button:focus-visible,
input:focus-visible {
  outline: 4px solid var(--indigo);
  outline-offset: 4px;
}

.site-header { border-bottom: 4px solid var(--ink); background: var(--surface); }

.site-header__inner,
.content-shell,
.site-footer__inner {
  width: min(calc(100% - 2rem), var(--content-width));
  margin-inline: auto;
}

.site-header__inner {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem 1.5rem;
  align-items: center;
  justify-content: space-between;
  padding-block: 1rem;
}

.site-brand {
  font-family: Impact, Haettenschweiler, "Arial Narrow Bold", sans-serif;
  font-size: 1.35rem;
  font-stretch: condensed;
  font-weight: 900;
  letter-spacing: .02em;
  text-decoration: none;
}

.site-brand span { background: var(--yellow); padding: .08em .25em; }

.site-nav { display: flex; flex: 1 1 17rem; flex-wrap: wrap; gap: .45rem; }

.site-nav a {
  border: 2px solid var(--ink);
  padding: .38rem .65rem;
  font-weight: 800;
  text-decoration: none;
}

.site-nav a[aria-current="page"],
.site-nav a:hover { background: var(--yellow); }

.content-shell { padding-block: 1.75rem 3rem; }

.breadcrumbs { margin: 0 0 1.25rem; font-size: .95rem; font-weight: 700; }
.breadcrumbs a { text-underline-offset: .18em; }

h1, h2, h3 {
  font-family: Impact, Haettenschweiler, "Arial Narrow Bold", sans-serif;
  font-stretch: condensed;
  letter-spacing: .015em;
  line-height: 1;
}

h1 { max-width: 16ch; margin: 0; font-size: clamp(2.5rem, 8vw, 5rem); }
h2 { font-size: clamp(1.6rem, 4vw, 2.25rem); }

.page-intro { max-width: 60ch; margin: 1rem 0 2rem; font-size: 1.1rem; }

.guide-section { margin-top: 2.5rem; }
.guide-section > h2 { display: inline-block; margin: 0 0 1rem; background: var(--yellow); border: 3px solid var(--ink); padding: .28rem .55rem; }

.guide-grid { display: grid; grid-template-columns: minmax(0, 1fr); gap: 1.4rem; }

.guide-card {
  display: flex;
  min-width: 0;
  flex-direction: column;
  border: 3px solid var(--ink);
  background: var(--surface);
  box-shadow: var(--shadow);
}

.guide-card__body { padding: 1.25rem; }
.guide-card h3 { margin: 0; font-size: 1.55rem; }
.guide-card p { margin-bottom: 0; }

.guide-card a {
  display: block;
  padding: .8rem 1.25rem;
  border-top: 3px solid var(--ink);
  background: var(--indigo);
  color: #fff;
  font-weight: 800;
  text-decoration: none;
}

.guide-card a:hover { background: #3730a3; }

.article-body { width: min(100%, var(--article-width)); font-size: 1.06rem; }
.article-body h2 { margin-top: 2.25rem; }
.article-body li + li { margin-top: .5rem; }

.guide-upload,
.notice {
  display: flex;
  gap: .75rem;
  align-items: flex-start;
  border: 3px solid var(--ink);
  padding: 1rem;
  background: var(--surface);
}

.guide-upload { flex-direction: column; box-shadow: var(--shadow); }
.guide-upload label { font-weight: 800; }
.guide-upload input { max-width: 100%; }
.guide-upload-preview { max-width: 100%; max-height: 18rem; object-fit: contain; }
.guide-upload-error { display: flex; gap: .5rem; color: #8a1c1c; font-weight: 700; }
.guide-upload-error::before, .notice::before { content: "!"; flex: 0 0 auto; font-weight: 900; }
.notice { border-color: #725d00; background: #fff4bd; color: #463800; }

.related-guides { margin-top: 3rem; border-top: 4px solid var(--ink); padding-top: 1.5rem; }
.related-guides ul { padding-left: 1.25rem; }

.site-footer { border-top: 4px solid var(--ink); background: var(--ink); color: #fff; }
.site-footer__inner { padding-block: 2rem; }
.site-footer__grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(9rem, 1fr)); gap: 1.5rem; }
.site-footer h2 { margin: 0 0 .5rem; font-family: inherit; font-size: 1rem; letter-spacing: normal; }
.site-footer ul { margin: 0; padding: 0; list-style: none; }
.site-footer li + li { margin-top: .4rem; }
.site-footer a { text-underline-offset: .2em; }
.site-footer__legal { margin: 2rem 0 0; font-size: .9rem; }

@media (min-width: 760px) {
  .guide-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (prefers-reduced-motion: no-preference) {
  .guide-card, .guide-card a, .site-nav a { transition: transform 120ms ease, box-shadow 120ms ease, background-color 120ms ease; }
  .guide-card:hover { transform: translate(-2px, -2px); box-shadow: 8px 8px 0 var(--ink); }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; transition-duration: 0.01ms !important; animation-duration: 0.01ms !important; }
}