:root {
  --ink: #14202b;
  --muted: #3d5160;
  --paper: #e7eef2;
  --panel: #f7fafb;
  --line: #c5d2da;
  --slate: #1f4e5f;
  --slate-deep: #163844;
  --brass: #d6a21e;
  --focus: #0b5cab;
  --measure: 68ch;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: "Avenir Next", "Segoe UI", "Helvetica Neue", sans-serif;
  font-size: 1.0625rem;
  line-height: 1.6;
}

a { color: var(--slate); }
a:hover { color: var(--slate-deep); }

:focus-visible {
  outline: 2px solid var(--focus);
  outline-offset: 3px;
}

.skip {
  position: absolute;
  left: 0.75rem;
  top: -3rem;
  background: var(--panel);
  padding: 0.4rem 0.7rem;
  z-index: 5;
}
.skip:focus { top: 0.75rem; }

.wrap {
  width: min(1080px, calc(100% - 2rem));
  margin-inline: auto;
}

.top {
  background: var(--panel);
  border-bottom: 1px solid var(--line);
}

.top-row {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 1rem;
  padding: 1.15rem 0 0.85rem;
}

.brand {
  color: var(--ink);
  text-decoration: none;
  font-family: Palatino, "Palatino Linotype", "Iowan Old Style", Georgia, serif;
  font-size: 1.85rem;
  line-height: 1;
  letter-spacing: -0.02em;
  border-bottom: 3px solid var(--brass);
  padding-bottom: 0.2rem;
}

.desk {
  margin: 0;
  color: var(--muted);
  font-size: 0.95rem;
}
.desk a { color: inherit; }

.nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem 1.15rem;
  padding: 0.75rem 0 0.9rem;
  border-top: 1px solid var(--line);
}

.nav a {
  color: var(--ink);
  text-decoration: none;
}
.nav a[aria-current="page"] {
  color: var(--slate);
  text-decoration: underline;
  text-underline-offset: 0.25rem;
}

.hero {
  padding: 2.4rem 0 1.2rem;
}

.hero h1,
.page-head h1,
.prose h2,
.prose h3 {
  font-family: Palatino, "Palatino Linotype", "Iowan Old Style", Georgia, serif;
  font-weight: 600;
  letter-spacing: -0.02em;
  line-height: 1.15;
}

.hero h1 {
  margin: 0 0 0.7rem;
  font-size: clamp(2.1rem, 4vw, 3.3rem);
  max-width: 16ch;
}

.subhead {
  font-family: Palatino, "Palatino Linotype", Georgia, serif;
  font-size: 1.8rem;
  margin: 1.6rem 0 0.6rem;
  font-weight: 600;
  letter-spacing: -0.02em;
}

.lede {
  max-width: var(--measure);
  font-size: 1.15rem;
  margin: 0 0 1.4rem;
}

.index-list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--line);
}

.index-list li { border-bottom: 1px solid var(--line); }

.index-list a {
  display: grid;
  grid-template-columns: minmax(12rem, 18rem) 1fr;
  gap: 1rem;
  padding: 0.95rem 0;
  color: var(--ink);
  text-decoration: none;
}

.index-list strong {
  font-family: Palatino, "Palatino Linotype", Georgia, serif;
  font-size: 1.25rem;
  font-weight: 600;
}

.index-list span { color: var(--muted); }

.steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
  margin: 0.4rem 0 2rem;
  padding: 0;
  list-style: none;
}

.steps li {
  background: var(--panel);
  border-top: 3px solid var(--slate);
  padding: 0.85rem 0.9rem 1rem;
}

.steps b {
  display: block;
  font-family: Palatino, "Palatino Linotype", Georgia, serif;
  font-size: 1.15rem;
  margin-bottom: 0.3rem;
}

.steps p { margin: 0; color: var(--muted); }

.layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 16rem;
  gap: 2.5rem;
  padding-bottom: 3rem;
}

.page-head { padding: 1.8rem 0 0.4rem; }
.page-head h1 { margin: 0 0 0.6rem; font-size: clamp(1.9rem, 3vw, 2.6rem); max-width: 22ch; }
.page-head p { max-width: var(--measure); margin: 0; color: var(--muted); }

.prose { max-width: 72ch; }
.prose h2 { font-size: 1.55rem; margin: 1.6rem 0 0.5rem; }
.prose h3 { font-size: 1.25rem; margin: 1.3rem 0 0.4rem; }
.prose p { margin: 0.7rem 0; }
.prose ul, .prose ol { margin: 0.6rem 0 0.8rem; padding-left: 1.2rem; }
.prose table {
  width: 100%;
  border-collapse: collapse;
  margin: 1rem 0 1.2rem;
  font-size: 0.95rem;
  background: var(--panel);
}
.prose th, .prose td {
  border: 1px solid var(--line);
  padding: 0.45rem 0.55rem;
  text-align: left;
  vertical-align: top;
}
.prose th { background: #e3edf1; }

.faq { margin-top: 1.6rem; }
.faq h2 { font-family: Palatino, "Palatino Linotype", Georgia, serif; }
.faq details {
  border-bottom: 1px solid var(--line);
  padding: 0.7rem 0;
}
.faq summary { cursor: pointer; font-weight: 600; }
.faq details p { margin: 0.45rem 0 0.2rem; color: var(--muted); }

.side h2 {
  font-family: Palatino, "Palatino Linotype", Georgia, serif;
  font-size: 1.15rem;
  margin: 0 0 0.5rem;
}
.side ul { list-style: none; margin: 0; padding: 0; }
.side li { margin: 0.35rem 0; }
.side a { color: var(--ink); }

.foot {
  border-top: 1px solid var(--line);
  background: var(--slate-deep);
  color: #e7eef2;
  padding: 1.6rem 0 1.8rem;
}
.foot a { color: #f4e2b0; }
.foot-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 1.5rem;
}
.foot h2 {
  font-family: Palatino, "Palatino Linotype", Georgia, serif;
  font-size: 1.1rem;
  margin: 0 0 0.45rem;
  color: white;
}
.foot ul { list-style: none; margin: 0; padding: 0; }
.foot li { margin: 0.25rem 0; }
.fine { margin: 1.2rem 0 0; color: #c5d2da; font-size: 0.9rem; }

@media (max-width: 800px) {
  .index-list a { grid-template-columns: 1fr; gap: 0.15rem; }
  .steps { grid-template-columns: 1fr 1fr; }
  .layout { grid-template-columns: 1fr; gap: 1.5rem; }
  .foot-grid { grid-template-columns: 1fr; }
  .top-row { flex-direction: column; align-items: flex-start; }
}

@media (max-width: 520px) {
  .steps { grid-template-columns: 1fr; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}