:root {
  --paper: #fcf8f1;
  --ink: #2c231b;
  --brick: #9c3b24;
  --crust: #6b4a2e;
  --rule: #e2d6c2;
  --soft: #7c6b55;
  --box: #fffdf9;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  line-height: 1.62;
  font-size: 17px;
}

a { color: var(--brick); }
a:hover { color: var(--crust); }

.bk-col { max-width: 680px; margin: 0 auto; padding: 0 18px; }

.bk-top { border-bottom: 2px solid var(--brick); background: var(--box); }
.bk-top .bk-col {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 6px 18px;
  padding: 16px 18px;
}
.bk-logo {
  font-weight: 700;
  font-size: 1.15rem;
  letter-spacing: .2px;
  color: var(--crust);
  text-decoration: none;
}
.bk-menu { display: flex; gap: 16px; font-size: .92rem; }
.bk-menu a { color: var(--soft); text-decoration: none; }
.bk-menu a:hover { color: var(--brick); }

.bk-intro { padding: 28px 18px 6px; }
.bk-intro h1 { font-size: 1.7rem; margin: 0 0 10px; font-weight: 700; }
.bk-intro .bk-col { padding: 0; }
.bk-lead { display: flex; gap: 18px; align-items: flex-start; }
.bk-lead p { margin: 0; color: #403528; }
.bk-jar { flex: 0 0 72px; }
.bk-jar svg { width: 72px; height: auto; display: block; }

main .bk-col { padding-top: 10px; padding-bottom: 20px; }

h2 { font-size: 1.1rem; text-transform: uppercase; letter-spacing: .8px; color: var(--crust); margin: 30px 0 6px; }

.bk-post { padding: 18px 0; border-top: 1px solid var(--rule); }
.bk-post:first-of-type { border-top: none; }
.bk-post h3 { margin: 0 0 3px; font-size: 1.16rem; }
.bk-post h3 a { text-decoration: none; }
.bk-post h3 a:hover { text-decoration: underline; }
.bk-when { font-size: .82rem; color: var(--soft); margin: 0 0 8px; font-variant-numeric: tabular-nums; }
.bk-post p { margin: 0; }

.bk-facts { list-style: none; padding: 0; margin: 10px 0 0; font-size: .95rem; }
.bk-facts li { padding: 4px 0; border-bottom: 1px dotted var(--rule); color: #403528; }
.bk-facts li:last-child { border-bottom: none; }

.bk-note { background: var(--box); border: 1px solid var(--rule); border-left: 4px solid var(--brick); padding: 12px 16px; margin: 20px 0; font-size: .96rem; }

.bk-404 { text-align: center; padding: 70px 18px; }
.bk-404 .num { font-size: 3.4rem; font-weight: 700; color: var(--brick); margin: 0; }

.bk-foot { border-top: 2px solid var(--brick); background: var(--box); margin-top: 36px; }
.bk-foot .bk-col { padding: 18px; font-size: .85rem; color: var(--soft); }
.bk-foot a { color: var(--soft); }

@media (max-width: 480px) {
  body { font-size: 16px; }
  .bk-lead { flex-direction: column; }
}