html,
body {
  margin: 0;
  min-height: 100%;
  background: var(--parchment);
  color: var(--ink);
}

body {
  font-family: var(--font-serif);
  font-size: 17px;
  line-height: 1.68;
  background-image:
    linear-gradient(to right, rgba(224, 219, 210, 0.22) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(224, 219, 210, 0.22) 1px, transparent 1px);
  background-size: 3rem 3rem;
}

@media (max-width: 640px) {
  body {
    font-size: 16px;
  }
}

a,
button,
[role="button"],
input,
select,
textarea {
  min-height: var(--min-target-aa);
}

:focus-visible {
  outline: var(--focus-ring);
  outline-offset: var(--focus-offset);
}

.skip-link {
  position: absolute;
  top: -100%;
  left: 0;
  padding: 0.75rem 1.5rem;
  background: var(--ink);
  color: var(--parchment);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  z-index: 1000;
}

.skip-link:focus {
  top: 0;
}

.site-shell {
  width: min(calc(100% - 3rem), 72rem);
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  backdrop-filter: blur(10px);
  background: rgba(245, 240, 232, 0.9);
  border-bottom: 1px solid var(--grid);
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1rem 0;
}

.brand-lockup {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  text-decoration: none;
  color: inherit;
}

.brand-lockup img:first-child {
  width: 32px;
  height: 32px;
}

.brand-lockup img:last-child {
  width: 7.05rem;
  height: auto;
}

.site-nav__list {
  display: flex;
  gap: 0.5rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.site-nav a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: var(--min-target);
  padding: 0.5rem 0.9rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  line-height: 1.3;
  color: var(--sea);
  text-decoration: none;
  border: 1px solid transparent;
}

.site-nav a:hover,
.site-nav a:focus-visible {
  border-color: var(--grid);
  background: rgba(250, 248, 244, 0.88);
}

.page-shell {
  padding: 3rem 0 4rem;
}

.prose-card,
.colophon {
  background: rgba(250, 248, 244, 0.92);
  border: 1px solid var(--grid);
}

.prose-card {
  padding: 2rem;
}

.prose-card h1,
.prose-card h2,
.prose-card h3,
.prose-card h4 {
  font-family: var(--font-serif);
  font-weight: 400;
  letter-spacing: -0.02em;
}

.prose-card h1 {
  font-size: clamp(2.3rem, 6vw, 4rem);
  line-height: 0.98;
  margin: 0 0 1rem;
}

.prose-card h2 {
  font-size: 1.9rem;
  line-height: 1.08;
  margin: 2.5rem 0 0.75rem;
}

.prose-card h3 {
  font-size: 1.35rem;
  line-height: 1.2;
  margin: 1.8rem 0 0.6rem;
}

.prose-card h4 {
  font-size: 1.1rem;
  line-height: 1.3;
  margin: 1.5rem 0 0.5rem;
}

.prose-card p,
.prose-card ul,
.prose-card ol,
.prose-card blockquote,
.prose-card table {
  max-width: var(--measure);
}

.prose-card p,
.prose-card li {
  margin-top: 0;
  margin-bottom: 0.85rem;
}

.prose-card ul,
.prose-card ol {
  padding-left: 1.4rem;
}

.prose-card strong {
  font-weight: 600;
}

.prose-card blockquote {
  margin: 1.2rem 0;
  padding-left: 1rem;
  border-left: 3px solid var(--sea);
}

.prose-card code {
  font-family: var(--font-mono);
  font-size: 0.85em;
}

.prose-card table {
  width: 100%;
  border-collapse: collapse;
  border-spacing: 0;
  font-variant-numeric: tabular-nums;
  margin: 1.2rem 0;
}

.table-wrap {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  margin: 1.2rem 0;
}

.table-wrap:focus-visible {
  outline: var(--focus-ring);
  outline-offset: 0.25rem;
}

.table-wrap::after {
  content: "";
  position: sticky;
  right: 0;
  display: block;
  width: 1.5rem;
  height: 1px;
  margin-left: auto;
  background: linear-gradient(to left, var(--parchment), transparent);
  pointer-events: none;
}

.prose-card thead th {
  font-family: var(--font-mono);
  font-weight: 500;
  font-size: 0.75rem;
  line-height: 1.3;
  color: var(--ink);
  text-align: left;
  padding: 0.55rem 0.75rem;
  border-bottom: 1px solid var(--stone);
  vertical-align: bottom;
}

.prose-card tbody td {
  font-family: var(--font-serif);
  font-size: 0.85rem;
  line-height: 1.5;
  color: var(--ink);
  padding: 0.55rem 0.75rem;
  border-bottom: 1px solid var(--grid);
  vertical-align: top;
}

.colophon {
  margin-bottom: 3rem;
  padding: 1.2rem;
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 1rem;
  align-items: start;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  line-height: 1.5;
  color: var(--stone);
}

.colophon img {
  width: 7.05rem;
  height: auto;
}

@media (max-width: 640px) {
  .site-shell {
    width: min(calc(100% - 2.5rem), 72rem);
  }

  .site-header__inner,
  .site-nav__list,
  .colophon {
    display: block;
  }

  .site-nav__list li + li {
    margin-top: 0.35rem;
  }

  .prose-card {
    padding: 1.4rem;
  }

  .colophon img {
    margin-bottom: 0.75rem;
  }
}