:root {
  --parchment: #f3e6c9;
  --sheet: #fbf6ea;
  --ink: #241c14;
  --ink-soft: #3f3428;
  --header: #3a2918;
  --header-ink: #f6edd8;
  --label: #9a3412;
  --line: #c4a574;
  --panel: #fffaf0;
  --focus: #9a3412;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  color: var(--ink);
  background-color: var(--parchment);
  background-image:
    linear-gradient(0deg, rgba(90, 60, 20, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(90, 60, 20, 0.035) 1px, transparent 1px);
  background-size: 28px 28px;
  font-family: Georgia, "Iowan Old Style", Palatino, "Palatino Linotype", serif;
  font-size: 1.05rem;
  line-height: 1.6;
}

a { color: #7c2d12; }
a:hover { color: #9a3412; }

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

.skip {
  display: inline-block;
  margin: 0.4rem 1rem 0;
  color: var(--header-ink);
  font-family: "Segoe UI", "Helvetica Neue", Arial, sans-serif;
  font-size: 0.95rem;
}

.site-header {
  background: var(--header);
  color: var(--header-ink);
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.85rem 1.25rem 0.4rem;
}

.brand img {
  width: 48px;
  height: 48px;
  flex: 0 0 auto;
}

.brand a {
  color: var(--header-ink);
  text-decoration: none;
}

.brand-name {
  font-family: "Segoe UI", "Helvetica Neue", Arial, sans-serif;
  font-size: 1.25rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.brand-note {
  display: block;
  font-family: Georgia, Palatino, serif;
  font-size: 0.95rem;
  letter-spacing: 0;
  text-transform: none;
  color: #e7d3a8;
}

.nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem 0.9rem;
  padding: 0.35rem 1.25rem 0.9rem;
  border-bottom: 4px solid var(--label);
}

.nav a {
  color: var(--header-ink);
  font-family: "Segoe UI", "Helvetica Neue", Arial, sans-serif;
  font-size: 1rem;
  text-decoration: none;
  padding: 0.35rem 0.15rem;
  min-height: 44px;
  display: inline-flex;
  align-items: center;
}

.nav a[aria-current="page"] {
  text-decoration: underline;
  text-underline-offset: 0.28rem;
}

.sheet {
  max-width: 58rem;
  margin: 1.25rem auto 2rem;
  background: var(--sheet);
  border: 1px solid var(--line);
  padding: 1.4rem 1.3rem 2rem;
}

h1 {
  font-size: 1.85rem;
  line-height: 1.25;
  margin: 0 0 0.4rem;
  color: var(--ink);
}

.byline {
  margin: 0 0 1.1rem;
  color: var(--ink-soft);
  font-size: 0.98rem;
}

h2 {
  margin: 1.6rem 0 0.55rem;
  color: var(--label);
  font-family: "Segoe UI", "Helvetica Neue", Arial, sans-serif;
  font-size: 1.12rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

h3 {
  margin: 1.15rem 0 0.35rem;
  font-size: 1.15rem;
  color: var(--ink);
}

p, li, dd { color: var(--ink); }

.lede { font-size: 1.12rem; }

.identity-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) minmax(12rem, 0.8fr);
  gap: 1.25rem;
  align-items: start;
}

.facts {
  display: grid;
  grid-template-columns: minmax(8rem, 14rem) minmax(0, 1fr);
  gap: 0.35rem 0.8rem;
  margin: 0.6rem 0 1rem;
  padding: 0;
}

.facts dt {
  font-family: "Segoe UI", "Helvetica Neue", Arial, sans-serif;
  font-size: 0.92rem;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  color: var(--label);
  margin: 0;
}

.facts dd {
  margin: 0;
  padding-bottom: 0.35rem;
  border-bottom: 1px solid var(--line);
}

.steps { padding-left: 1.2rem; }
.steps li { margin: 0.45rem 0; }

.page-links { padding-left: 1.2rem; }
.page-links li { margin: 0.4rem 0; }

figure {
  margin: 0.8rem 0 1.1rem;
}

figure img {
  max-width: 100%;
  height: auto;
  border: 1px solid var(--line);
  background: #efe2c4;
}

figcaption {
  margin-top: 0.35rem;
  font-size: 0.95rem;
  color: var(--ink-soft);
}

.scroll-region {
  overflow: auto;
  max-width: 100%;
  border: 1px solid var(--line);
  background: var(--panel);
}

.scroll-region.tall { max-height: 32rem; }

table {
  width: 100%;
  border-collapse: collapse;
  min-width: 36rem;
}

th, td {
  text-align: left;
  vertical-align: top;
  padding: 0.55rem 0.65rem;
  border-bottom: 1px solid var(--line);
}

th {
  background: var(--header);
  color: var(--header-ink);
  font-family: "Segoe UI", "Helvetica Neue", Arial, sans-serif;
  font-weight: 650;
  font-size: 0.92rem;
  letter-spacing: 0.03em;
}

.tool {
  background: #f6ead2;
  border: 1px solid var(--line);
  padding: 0.9rem 1rem 1rem;
  margin: 0.8rem 0 1rem;
}

.tool label {
  display: block;
  font-family: "Segoe UI", "Helvetica Neue", Arial, sans-serif;
  font-weight: 650;
  margin-bottom: 0.35rem;
}

.controls {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  align-items: center;
}

input[type="number"],
input[type="range"],
select,
button {
  min-height: 44px;
  font-size: 1rem;
  font-family: "Segoe UI", "Helvetica Neue", Arial, sans-serif;
  color: var(--ink);
}

input[type="number"],
select {
  padding: 0.4rem 0.55rem;
  background: var(--panel);
  border: 1px solid #8a6a3b;
}

input[type="range"] { width: min(100%, 22rem); flex: 1 1 12rem; }

button {
  padding: 0.45rem 0.9rem;
  background: var(--header);
  color: var(--header-ink);
  border: 1px solid var(--header);
  cursor: pointer;
}

.summary {
  margin: 0.7rem 0 0;
  font-family: "Segoe UI", "Helvetica Neue", Arial, sans-serif;
}

.result {
  margin-top: 0.8rem;
  padding-top: 0.2rem;
}

.result li { margin: 0.35rem 0; }

.timeline { list-style: none; padding: 0; margin: 0.4rem 0 0; }
.timeline li { margin: 0 0 1rem; padding-bottom: 0.7rem; border-bottom: 1px solid var(--line); }
.timeline time { font-family: "Segoe UI", "Helvetica Neue", Arial, sans-serif; color: var(--label); font-weight: 700; }

.site-footer {
  background: var(--header);
  color: var(--header-ink);
  padding: 1.1rem 1.25rem 1.6rem;
}

.site-footer a { color: #f6edd8; }

.footer-brand {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  margin-bottom: 0.5rem;
}

.footer-brand img { width: 32px; height: 32px; }

.legal-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem 1rem;
  margin: 0.4rem 0 0.7rem;
}

.site-footer p { margin: 0.35rem 0; color: #f6edd8; }

@media (max-width: 760px) {
  .identity-layout { grid-template-columns: 1fr; }
  .facts { grid-template-columns: 1fr; }
  .facts dd { border-bottom: 1px solid var(--line); }
  h1 { font-size: 1.55rem; }
  .sheet { margin: 0.6rem; padding: 1rem 0.85rem 1.4rem; }
  table { min-width: 32rem; }
}