.vrt-timeline {
  --vrt-ink: #171817;
  --vrt-parchment: #ddd4b2;
  --vrt-parchment-bright: #f2ead0;
  --vrt-gold: #a89b6b;
  --vrt-gold-bright: #c9b978;
  --vrt-line: rgba(221, 212, 178, 0.19);
  width: 100%;
  max-width: 1220px;
  margin: 0 auto;
  overflow: hidden;
  border: 1px solid rgba(201, 185, 120, 0.35);
  border-radius: 3px;
  color: var(--vrt-parchment-bright);
  background: linear-gradient(145deg, #1c1e1c 0%, #141514 62%, #101110 100%);
  box-shadow: 0 28px 90px rgba(0, 0, 0, 0.28);
  font-family: Arial, Helvetica, sans-serif;
  line-height: 1.4;
}

.vrt-timeline *, .vrt-timeline *::before, .vrt-timeline *::after { box-sizing: border-box; }
.vrt-timeline [hidden] { display: none !important; }
.vrt-timeline button, .vrt-timeline input { font: inherit; }
.vrt-timeline button { -webkit-tap-highlight-color: transparent; }
.vrt-timeline button:focus-visible, .vrt-timeline input:focus-visible, .vrt-timeline summary:focus-visible {
  outline: 2px solid var(--vrt-gold-bright);
  outline-offset: 3px;
}

.vrt-sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.vrt-intro {
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(260px, 0.75fr);
  align-items: end;
}

.vrt-intro--compact { gap: 30px; padding: clamp(26px, 4vw, 46px) clamp(22px, 4.5vw, 54px) 26px; }
.vrt-intro--full { gap: 44px; padding: clamp(34px, 6vw, 76px) clamp(24px, 6vw, 76px) 40px; }
.vrt-eyebrow {
  margin: 0 0 12px;
  color: var(--vrt-gold-bright);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
}

.vrt-intro h2, .vrt-detail h3 {
  font-family: Georgia, "Times New Roman", serif;
  font-weight: 400;
}

.vrt-intro h2 { margin: 0; color: var(--vrt-parchment-bright); line-height: 0.98; letter-spacing: -0.04em; }
.vrt-intro--compact h2 { max-width: 690px; font-size: clamp(2rem, 4.5vw, 4rem); }
.vrt-intro--full h2 { max-width: 760px; font-size: clamp(2.5rem, 6vw, 5.6rem); line-height: 0.95; }
.vrt-dek { max-width: 430px; margin: 0 0 4px; color: rgba(242, 234, 208, 0.72); font-family: Georgia, "Times New Roman", serif; font-size: clamp(0.98rem, 1.5vw, 1.15rem); line-height: 1.62; }

.vrt-scale {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 18px;
  align-items: center;
  padding: 0 clamp(22px, 5vw, 64px) 20px;
  color: rgba(242, 234, 208, 0.62);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}
.vrt-intro--full + .vrt-scale { padding-inline: clamp(24px, 6vw, 76px); padding-bottom: 22px; }
.vrt-scale-rule { position: relative; display: flex; justify-content: space-around; height: 1px; background: var(--vrt-line); }
.vrt-scale-rule i { width: 1px; height: 7px; background: var(--vrt-gold); transform: translateY(-3px); }

.vrt-tools {
  display: flex;
  gap: 16px;
  align-items: center;
  justify-content: space-between;
  padding: 18px clamp(18px, 4vw, 36px);
  border-block: 1px solid var(--vrt-line);
  background: rgba(255, 255, 255, 0.018);
}
.vrt-era-tabs { display: flex; gap: 7px; overflow-x: auto; scrollbar-width: none; }
.vrt-era-tabs::-webkit-scrollbar { display: none; }
.vrt-era-tab {
  min-width: max-content;
  min-height: 48px;
  margin: 0;
  padding: 9px 13px;
  border: 1px solid transparent;
  border-radius: 2px;
  color: rgba(242, 234, 208, 0.72);
  background: transparent;
  cursor: pointer;
  text-align: left;
  transition: color 160ms ease, background 160ms ease, border-color 160ms ease;
}
.vrt-era-tab:hover { color: var(--vrt-parchment-bright); background: rgba(255, 255, 255, 0.04); }
.vrt-era-tab.is-active { color: var(--vrt-ink); border-color: var(--vrt-parchment); background: var(--vrt-parchment); }
.vrt-era-tab span { display: block; font-size: 0.8rem; font-weight: 700; }
.vrt-era-tab small { display: block; margin-top: 2px; font-size: 0.66rem; letter-spacing: 0.08em; opacity: 0.78; }

.vrt-search {
  flex: 0 0 min(270px, 28vw);
  display: flex;
  gap: 9px;
  align-items: center;
  padding: 11px 13px;
  border-bottom: 1px solid rgba(221, 212, 178, 0.42);
  color: var(--vrt-gold-bright);
}
.vrt-search input { min-width: 0; width: 100%; padding: 0; border: 0; outline: 0; color: var(--vrt-parchment-bright); background: transparent; font-size: 0.85rem; }
.vrt-search input::placeholder { color: rgba(242, 234, 208, 0.58); opacity: 1; }

.vrt-workspace { display: grid; grid-template-columns: minmax(360px, 0.88fr) minmax(430px, 1.12fr); min-height: 650px; }
.vrt-index { position: relative; padding: 28px 34px 34px; border-right: 1px solid var(--vrt-line); }
.vrt-index-heading { display: flex; justify-content: space-between; padding: 0 2px 16px 74px; color: rgba(242, 234, 208, 0.6); font-size: 0.66rem; font-weight: 700; letter-spacing: 0.14em; text-transform: uppercase; }
.vrt-index-heading p { margin: 0; }
.vrt-rail { height: 560px; margin: 0; padding: 0; overflow-y: auto; overscroll-behavior: contain; list-style: none; scrollbar-color: var(--vrt-gold) transparent; scrollbar-width: thin; }
.vrt-item { margin: 0; padding: 0; }
.vrt-event {
  position: relative;
  display: grid;
  grid-template-columns: 56px 18px 1fr;
  gap: 0;
  width: 100%;
  min-height: 70px;
  margin: 0;
  padding: 8px 8px 8px 0;
  border: 0;
  border-radius: 0;
  color: rgba(242, 234, 208, 0.68);
  background: transparent;
  box-shadow: none;
  cursor: pointer;
  text-align: left;
}
.vrt-event::before { content: ""; position: absolute; top: 0; bottom: 0; left: 64px; width: 1px; background: rgba(221, 212, 178, 0.2); }
.vrt-event-year { align-self: center; color: rgba(242, 234, 208, 0.58); font-size: 0.72rem; font-weight: 700; letter-spacing: 0.08em; }
.vrt-marker { z-index: 1; align-self: center; width: 9px; height: 9px; border: 1px solid var(--vrt-gold); border-radius: 50%; background: var(--vrt-ink); transform: translateX(4px); transition: 160ms ease; }
.vrt-event-name { align-self: center; padding: 8px 12px 8px 16px; border: 1px solid transparent; transition: 160ms ease; }
.vrt-event-name strong { display: block; color: inherit; font-family: Georgia, "Times New Roman", serif; font-size: 1.04rem; font-weight: 400; line-height: 1.25; }
.vrt-event-name small { display: block; margin-top: 3px; color: inherit; font-size: 0.68rem; letter-spacing: 0.06em; opacity: 0.72; }
.vrt-event:hover { color: var(--vrt-parchment-bright); background: transparent; }
.vrt-event:hover .vrt-event-name { background: rgba(255, 255, 255, 0.025); }
.vrt-event.is-active { color: var(--vrt-ink); background: transparent; }
.vrt-event.is-active .vrt-marker { border-color: var(--vrt-parchment); background: var(--vrt-parchment); box-shadow: 0 0 0 4px rgba(201, 185, 120, 0.12); }
.vrt-event.is-active .vrt-event-name { border-color: rgba(221, 212, 178, 0.7); background: var(--vrt-parchment); }
.vrt-event.is-active .vrt-event-name small { opacity: 0.68; }
.vrt-mobile-cue { display: none; }

.vrt-detail {
  position: relative;
  display: flex;
  flex-direction: column;
  min-height: 650px;
  padding: clamp(34px, 6vw, 70px);
  overflow: hidden;
  color: var(--vrt-ink);
  background: linear-gradient(rgba(221, 212, 178, 0.9), rgba(221, 212, 178, 0.94)), repeating-linear-gradient(115deg, transparent 0 8px, rgba(23, 24, 23, 0.03) 8px 9px), var(--vrt-parchment);
}
.vrt-detail::after { content: ""; position: absolute; width: 410px; height: 410px; right: -235px; bottom: -225px; border: 1px solid rgba(23, 24, 23, 0.17); border-radius: 50%; box-shadow: 0 0 0 26px rgba(23, 24, 23, 0.035), 0 0 0 54px rgba(23, 24, 23, 0.025); }
.vrt-detail-topline { display: flex; justify-content: space-between; margin-bottom: 36px; font-size: 0.65rem; font-weight: 700; letter-spacing: 0.14em; text-transform: uppercase; opacity: 0.64; }
.vrt-detail-topline p { margin: 0; }
.vrt-monogram { display: grid; place-items: center; width: 54px; height: 54px; margin-bottom: 28px; border: 1px solid rgba(23, 24, 23, 0.48); border-radius: 50%; font-family: Georgia, "Times New Roman", serif; font-size: 1.05rem; }
.vrt-dates { margin: 0 0 10px; color: #67634f; font-size: 0.7rem; font-weight: 700; letter-spacing: 0.12em; text-transform: uppercase; }
.vrt-detail h3 { max-width: 620px; margin: 0; color: var(--vrt-ink); font-size: clamp(2.2rem, 5vw, 4.45rem); line-height: 0.98; letter-spacing: -0.04em; }
.vrt-role { margin: 16px 0 0; color: #575441; font-family: Georgia, "Times New Roman", serif; font-size: 1.03rem; font-style: italic; }
.vrt-detail-rule { width: 64px; height: 1px; margin: 28px 0; background: rgba(23, 24, 23, 0.48); }
.vrt-summary { max-width: 640px; margin: 0; color: var(--vrt-ink); font-family: Georgia, "Times New Roman", serif; font-size: clamp(1.03rem, 1.6vw, 1.18rem); line-height: 1.68; }
.vrt-copy { position: relative; z-index: 1; align-self: flex-start; margin: 22px 0 0; padding: 6px 0; border: 0; border-bottom: 1px solid rgba(23, 24, 23, 0.4); border-radius: 0; color: rgba(23, 24, 23, 0.72); background: transparent; box-shadow: none; cursor: pointer; font-size: 0.7rem; font-weight: 700; letter-spacing: 0.1em; text-transform: uppercase; }
.vrt-copy:hover { color: var(--vrt-ink); border-bottom-color: var(--vrt-ink); background: transparent; }
.vrt-controls { position: relative; z-index: 1; display: flex; gap: 14px; align-items: center; margin-top: auto; padding-top: 28px; }
.vrt-controls button { display: grid; place-items: center; width: 44px; height: 44px; margin: 0; padding: 0; border: 1px solid rgba(23, 24, 23, 0.46); border-radius: 50%; color: var(--vrt-ink); background: transparent; box-shadow: none; cursor: pointer; }
.vrt-controls button:hover { color: var(--vrt-parchment); background: var(--vrt-ink); }
.vrt-controls span { font-size: 0.64rem; font-weight: 700; letter-spacing: 0.12em; text-transform: uppercase; opacity: 0.55; }

.vrt-empty { display: grid; place-items: center; min-height: 300px; color: rgba(242, 234, 208, 0.68); text-align: center; }
.vrt-empty p { margin: 0 0 14px; }
.vrt-empty button { min-height: 44px; padding: 10px 14px; border: 1px solid var(--vrt-gold); color: var(--vrt-parchment); background: transparent; cursor: pointer; }
.vrt-empty button:hover { color: var(--vrt-ink); background: var(--vrt-parchment); }

.vrt-sources { padding: 18px clamp(24px, 5vw, 58px); border-top: 1px solid var(--vrt-line); color: rgba(242, 234, 208, 0.68); font-size: 0.72rem; line-height: 1.5; }
.vrt-sources summary { width: fit-content; cursor: pointer; color: rgba(242, 234, 208, 0.78); font-weight: 700; letter-spacing: 0.08em; list-style: none; text-transform: uppercase; }
.vrt-sources summary::-webkit-details-marker { display: none; }
.vrt-sources summary span { margin-right: 8px; color: var(--vrt-gold-bright); }
.vrt-sources[open] summary { margin-bottom: 14px; }
.vrt-sources div { max-width: 820px; padding-left: 22px; }
.vrt-sources p { margin: 7px 0; color: inherit; }

@media (max-width: 880px) {
  .vrt-timeline { border-inline: 0; }
  .vrt-intro { grid-template-columns: 1fr; gap: 20px; }
  .vrt-intro--compact, .vrt-intro--full { padding: 34px 22px 26px; }
  .vrt-dek { max-width: 620px; }
  .vrt-tools { align-items: stretch; flex-direction: column; }
  .vrt-search { flex-basis: auto; width: 100%; }
  .vrt-workspace { display: block; min-height: 0; }
  .vrt-index { padding: 24px 18px 26px; border-right: 0; border-bottom: 1px solid var(--vrt-line); }
  .vrt-index-heading { padding-left: 0; }
  .vrt-rail-wrap { position: relative; }
  .vrt-rail-wrap::after { content: ""; position: absolute; top: 0; right: 0; width: 38px; height: 116px; pointer-events: none; background: linear-gradient(90deg, transparent, #171817); }
  .vrt-rail { display: flex; gap: 8px; height: auto; overflow-x: auto; padding: 0 38px 8px 0; scroll-snap-type: x proximity; }
  .vrt-item { flex: 0 0 min(230px, 78vw); scroll-snap-align: center; }
  .vrt-event { display: block; min-height: 110px; padding: 13px; border: 1px solid rgba(221, 212, 178, 0.18); }
  .vrt-event::before, .vrt-marker { display: none; }
  .vrt-event-year { display: block; margin-bottom: 12px; }
  .vrt-event-name { display: block; padding: 0; border: 0; }
  .vrt-event.is-active { border-color: var(--vrt-parchment); background: var(--vrt-parchment); }
  .vrt-event.is-active .vrt-event-name { border: 0; }
  .vrt-mobile-cue { display: block; margin: 7px 0 0; color: rgba(242, 234, 208, 0.6); font-size: 0.7rem; font-weight: 700; letter-spacing: 0.1em; text-transform: uppercase; }
  .vrt-mobile-cue span { color: var(--vrt-gold-bright); }
  .vrt-detail { min-height: 0; }
  .vrt-controls { margin-top: 42px; }
}

@media (max-width: 540px) {
  .vrt-intro--compact h2, .vrt-intro--full h2 { font-size: 2.75rem; }
  .vrt-scale { padding-inline: 22px; }
  .vrt-tools { padding-inline: 16px; }
  .vrt-era-tab { padding-inline: 10px; }
  .vrt-detail { padding: 34px 24px; }
  .vrt-detail-topline { margin-bottom: 30px; }
  .vrt-monogram { margin-bottom: 24px; }
  .vrt-detail h3 { font-size: 2.65rem; }
  .vrt-summary { font-size: 1rem; line-height: 1.62; }
  .vrt-sources { padding-inline: 22px; }
  .vrt-sources div { padding-left: 0; }
}

@media (prefers-reduced-motion: reduce) {
  .vrt-timeline * { scroll-behavior: auto !important; transition: none !important; }
}