:root {
  --ink: #1c1916;
  --ink-soft: #3d3832;
  --muted: #6b635a;
  --paper: #f4efe6;
  --paper-2: #ebe4d6;
  --card: #fffdf8;
  --line: #d4cbb8;
  --accent: #8b3a2a;
  --accent-2: #2c4a3e;
  --warn: #6a4a1a;
  --radius: 14px;
  --max: 72rem;
  --measure: 42rem;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: "Source Serif 4", "Iowan Old Style", Georgia, serif;
  background: var(--paper);
  color: var(--ink);
  line-height: 1.65;
  font-size: 1.0625rem;
}

a { color: var(--accent); text-decoration-thickness: 1px; text-underline-offset: 3px; }
a:hover { color: var(--ink); }

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

.site-header {
  border-bottom: 1px solid var(--line);
  background: var(--paper-2);
  position: sticky;
  top: 0;
  z-index: 20;
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.85rem 0;
}
.brand {
  color: inherit;
  text-decoration: none;
  display: flex;
  flex-direction: column;
  line-height: 1.15;
}
.brand strong { font-size: 1.15rem; letter-spacing: 0.02em; }
.brand span { font-size: 0.75rem; color: var(--muted); font-family: "Source Sans 3", system-ui, sans-serif; }

nav { display: flex; flex-wrap: wrap; gap: 0.35rem 1rem; font-family: "Source Sans 3", system-ui, sans-serif; font-size: 0.92rem; }
nav a { color: var(--ink-soft); text-decoration: none; }
nav a:hover, nav a[aria-current="page"] { color: var(--accent); }

.hero {
  padding: 3.2rem 0 2.4rem;
  border-bottom: 1px solid var(--line);
}
.kicker {
  font-family: "Source Sans 3", system-ui, sans-serif;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-size: 0.72rem;
  color: var(--accent);
  margin: 0 0 0.7rem;
}
h1, h2, h3 { font-weight: 600; letter-spacing: -0.02em; line-height: 1.2; }
h1 { font-size: clamp(2rem, 5vw, 3.15rem); margin: 0 0 1rem; max-width: 18ch; }
.lede { font-size: 1.2rem; color: var(--ink-soft); max-width: 40rem; margin: 0; }

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
  padding: 2rem 0;
}
.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.15rem 1.2rem 1.25rem;
}
.card h2 { font-size: 1.15rem; margin: 0 0 0.45rem; }
.card p { margin: 0; color: var(--ink-soft); font-size: 0.98rem; }

.disclaimer {
  background: #efe4c8;
  border: 1px solid #ddc98a;
  border-radius: var(--radius);
  padding: 1rem 1.15rem;
  color: var(--warn);
  font-family: "Source Sans 3", system-ui, sans-serif;
  font-size: 0.92rem;
}
.disclaimer strong { color: var(--ink); }

.section { padding: 2.4rem 0; }
.section h2 { font-size: 1.7rem; margin: 0 0 0.8rem; }
.prose { max-width: var(--measure); }
.prose p { margin: 0 0 1rem; }
.prose ul, .prose ol { padding-left: 1.2rem; }
.prose li { margin-bottom: 0.4rem; }

.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}
.panel {
  border-radius: var(--radius);
  padding: 1.2rem 1.25rem;
  border: 1px solid var(--line);
}
.panel.lowen { background: #f8efe6; }
.panel.other { background: #e8efe9; }
.panel h3 { margin: 0 0 0.5rem; font-size: 1.05rem; font-family: "Source Sans 3", system-ui, sans-serif; text-transform: uppercase; letter-spacing: 0.08em; font-size: 0.78rem; color: var(--muted); }

.post-list { display: grid; gap: 0.75rem; }
.post-item {
  display: grid;
  grid-template-columns: 7.2rem 1fr;
  gap: 1rem;
  padding: 1rem 0;
  border-bottom: 1px solid var(--line);
  text-decoration: none;
  color: inherit;
}
.post-item time {
  font-family: "Source Sans 3", system-ui, sans-serif;
  color: var(--muted);
  font-size: 0.85rem;
}
.post-item h3 { margin: 0 0 0.25rem; font-size: 1.2rem; }
.post-item p { margin: 0; color: var(--ink-soft); font-size: 0.95rem; }

article.post { padding: 2.2rem 0 3rem; max-width: var(--measure); }
article.post header { margin-bottom: 1.6rem; }
article.post h1 { max-width: none; font-size: clamp(1.8rem, 4vw, 2.5rem); }
.meta {
  font-family: "Source Sans 3", system-ui, sans-serif;
  color: var(--muted);
  font-size: 0.88rem;
  margin-top: 0.6rem;
}
.ratio {
  display: flex;
  gap: 0.4rem;
  margin: 1rem 0 0;
  font-family: "Source Sans 3", system-ui, sans-serif;
  font-size: 0.75rem;
}
.ratio span {
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 0.15rem 0.55rem;
  background: var(--card);
}
.source-box {
  margin: 1.6rem 0 0;
  padding-top: 1rem;
  border-top: 1px solid var(--line);
  font-size: 0.92rem;
  color: var(--ink-soft);
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.95rem;
  background: var(--card);
}
th, td { border: 1px solid var(--line); padding: 0.55rem 0.7rem; text-align: left; vertical-align: top; }
th { background: var(--paper-2); font-family: "Source Sans 3", system-ui, sans-serif; font-weight: 600; }

.site-footer {
  border-top: 1px solid var(--line);
  padding: 1.5rem 0 2rem;
  color: var(--muted);
  font-family: "Source Sans 3", system-ui, sans-serif;
  font-size: 0.88rem;
}

.menu-toggle { display: none; }

@media (max-width: 860px) {
  .grid-3, .split, .post-item { grid-template-columns: 1fr; }
  nav { display: none; }
  nav.open { display: flex; flex-direction: column; position: absolute; left: 0; right: 0; top: 100%; background: var(--paper-2); padding: 0.8rem 1rem 1rem; border-bottom: 1px solid var(--line); }
  .menu-toggle {
    display: inline-block;
    border: 1px solid var(--line);
    background: var(--card);
    border-radius: 8px;
    padding: 0.35rem 0.6rem;
    font-family: "Source Sans 3", system-ui, sans-serif;
  }
  .header-inner { position: relative; }
}