:root {
  --tbx-ink: #1d2733;
  --tbx-rail: #c2410c;
  --tbx-paper: #f6f4ef;
  --tbx-mute: #5d6670;
  --tbx-line: #d9d4c7;
}

body.tbx {
  background: #fff;
  color: var(--tbx-ink);
}

.tbx-topline {
  background: #111820;
  color: #cfd6dd;
  font-size: .8125rem;
  padding: .35rem 0;
}
.tbx-topline__txt { margin-right: .5rem; }
.tbx-topline__lnk { color: #ffb489; }
.tbx-topline__lnk:visited { color: #ffb489; }

.tbx-nav { border-bottom: 3px solid var(--tbx-rail); }
.tbx-brand { font-weight: 600; letter-spacing: .01em; }
.tbx-brand__word { color: #fff; }
.tbx-brand__dom { color: #9aa7b3; font-weight: 400; }

.tbx-main { min-height: 60vh; }

/* hero */
.stage {
  background: linear-gradient(115deg, #1d2733 0%, #2b3a4a 62%, #3b2a22 100%);
  color: #f3efe7;
  padding: 3.5rem 0 3rem;
}
.stage h1 { color: #fff; max-width: 22ch; }
.stage__lead { font-size: 1.15rem; max-width: 60ch; color: #e1dbd0; }
.stage__tags { margin-top: 1.5rem; }
.stage__tags a {
  display: inline-block;
  border: 1px solid rgba(255,255,255,.35);
  color: #fff;
  padding: .2rem .7rem;
  margin: 0 .4rem .5rem 0;
  border-radius: 2px;
  text-decoration: none;
}
.stage__tags a:hover { background: rgba(255,255,255,.12); }

/* timeline */
.yearline { background: var(--tbx-paper); }
.yearline__track {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  position: relative;
}
.yearline__node {
  border-top: 4px solid var(--tbx-rail);
  background: #fff;
  padding: 1rem 1.25rem 1.25rem;
}
.yearline__yr {
  font-size: 2.2rem;
  font-weight: 300;
  line-height: 1;
  color: var(--tbx-rail);
}
.yearline__fmt { font-size: .8rem; text-transform: uppercase; color: var(--tbx-mute); letter-spacing: .06em; }

/* topics matrix */
.topicmap__cell {
  border-left: 2px solid var(--tbx-line);
  padding-left: 1rem;
  margin-bottom: 1.5rem;
}
.topicmap__cell h3 { font-size: 1.1rem; margin-bottom: .4rem; }

/* blog */
.blogroll { border-top: 1px solid var(--tbx-line); }
.blogroll__item {
  padding: 1.25rem 0;
  border-bottom: 1px dashed var(--tbx-line);
}
.blogroll__ttl a { color: var(--tbx-ink); text-decoration: none; }
.blogroll__ttl a:hover { color: var(--tbx-rail); text-decoration: underline; }
.blogroll__meta { font-size: .8rem; color: var(--tbx-mute); text-transform: uppercase; letter-spacing: .05em; }

.readhow { background: #1d2733; color: #e8e4dc; }
.readhow h2, .readhow h3 { color: #fff; }
.readhow__step { counter-increment: rh; position: relative; padding-left: 3rem; margin-bottom: 1.2rem; }
.readhow__step:before {
  content: counter(rh);
  position: absolute; left: 0; top: 0;
  width: 2rem; height: 2rem; line-height: 2rem;
  text-align: center;
  border: 1px solid #ffb489;
  color: #ffb489;
}
.readhow__list { counter-reset: rh; list-style: none; margin-left: 0; }

.faqpeek details { border-bottom: 1px solid var(--tbx-line); padding: .8rem 0; }
.faqpeek summary { cursor: pointer; font-weight: 600; }

/* inner pages */
.leaf-head { background: var(--tbx-paper); padding: 2.2rem 0 1.4rem; border-bottom: 1px solid var(--tbx-line); }
.leaf-head__crumbs { font-size: .85rem; color: var(--tbx-mute); }
.leaf-head__crumbs a { color: var(--tbx-mute); }
.leaf-body { padding-top: 2rem; padding-bottom: 3rem; }
.leaf-body h2 { margin-top: 1.6rem; }
.leaf-aside {
  background: var(--tbx-paper);
  padding: 1.1rem 1.25rem;
  border-left: 3px solid var(--tbx-rail);
}
.leaf-aside h4 { margin-bottom: .5rem; }
.leaf-lead { font-size: 1.15rem; color: #34404c; }

.tagpill {
  display: inline-block;
  font-size: .75rem;
  padding: .05rem .5rem;
  background: #efe7da;
  color: #7a3b16;
  margin-right: .3rem;
}

.postlist__row { padding: 1rem 0; border-bottom: 1px solid var(--tbx-line); }
.postlist__row h3 { margin-bottom: .3rem; }

.tbx-foot { background: #111820; color: #c4ccd4; margin-top: 0; }
.tbx-foot a { color: #ffd2b8; }
.tbx-foot .p-heading--5 { color: #fff; }
.tbx-foot__note { font-size: .85rem; }
.tbx-foot__list .p-list__item { padding-top: .2rem; padding-bottom: .2rem; }
.tbx-foot__copy { font-size: .8rem; color: #8b96a1; }

.p-navigation.is-dark.tbx-nav { background: #1d2733; }

@media (max-width: 772px) {
  .yearline__track { grid-template-columns: 1fr; }
  .stage { padding: 2.2rem 0 2rem; }
}

.stage__side {
  border-left: 1px solid rgba(255,255,255,.25);
  padding-left: 1.25rem;
  font-size: .95rem;
  color: #d6d0c5;
}
.stage__inl, .stage__inl:visited { color: #ffb489; }
.expo-card { min-height: 15rem; }
.sect-yr { margin-bottom: 1.2rem; }
.sect-yr h3 a { text-decoration: none; }
.tbx-text table { margin-bottom: 1.5rem; }
.qa-block dt { font-weight: 600; margin-top: 1.1rem; }
.qa-block dd { margin-left: 0; }
.resol-grid__box { background: var(--tbx-paper); padding: 1rem 1.2rem; margin-bottom: 1rem; border-top: 3px solid #2b3a4a; }