/* =============================================
   WORLD TIMELINE
   ============================================= */

.tl-back {
  display: inline-block;
  font-family: var(--font-hd); font-size: 10px; font-weight: 600;
  letter-spacing: 0.15em; text-transform: uppercase;
  color: var(--text-dim); margin-bottom: 14px;
}
.tl-back:hover { color: var(--gold); text-shadow: none; }

.tl-lede {
  font-family: var(--font-hd);
  font-size: clamp(13px, 1.6vw, 16px); font-weight: 600;
  letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--text-sec);
  margin-top: 10px;
}

/* ── Sticky era nav ── */
.era-bar {
  position: sticky; top: var(--nav-h); z-index: 100;
  background: rgba(7, 7, 15, 0.93);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid rgba(255, 215, 0, 0.15);
  padding: 12px 0;
}
.era-bar-inner { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; }
.era-chip {
  display: inline-flex; align-items: baseline; gap: 8px;
  font-family: var(--font-hd); font-size: 10px; font-weight: 600;
  letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--text-dim);
  background: linear-gradient(160deg, rgba(38, 38, 68, 0.9), rgba(16, 16, 32, 0.92));
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 20px;
  padding: 7px 15px;
  transition: all 0.18s;
}
.era-chip .rn { color: var(--ec, var(--gold)); font-weight: 800; }
.era-chip:hover { color: var(--text-pri); border-color: var(--ec, var(--gold)); text-shadow: none; }
.era-chip.active {
  color: #000;
  background: var(--ec, var(--gold));
  border-color: transparent;
  box-shadow: 0 0 16px color-mix(in srgb, var(--ec, #FFD700) 45%, transparent);
}
.era-chip.active .rn { color: rgba(0, 0, 0, 0.55); }

.tl-tools { margin-left: auto; }
#tl-toggle-all {
  font-family: var(--font-hd); font-size: 10px; font-weight: 600;
  letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--gold);
  background: rgba(255, 215, 0, 0.07);
  border: 1px solid rgba(255, 215, 0, 0.35);
  border-radius: 20px; padding: 7px 15px;
  cursor: pointer; transition: all 0.15s;
}
#tl-toggle-all:hover { background: rgba(255, 215, 0, 0.16); border-color: var(--gold); }

/* ── Rail ── */
.tl-shell { position: relative; padding: 40px 0 20px; }
.tl-rail {
  position: absolute; left: 27px; top: 0; bottom: 0;
  width: 2px;
  background: rgba(255, 255, 255, 0.09);
  border-radius: 2px;
}
#tl-fill {
  position: absolute; inset: 0 0 auto 0;
  width: 100%; height: 0;
  background: linear-gradient(180deg, #ffb340, #dc3c28 32%, #78dcff 62%, #b450ff 84%, var(--gold));
  box-shadow: 0 0 14px rgba(255, 215, 0, 0.4);
  border-radius: 2px;
  transition: height 0.15s linear;
}

/* ── Era dividers ── */
.tl-era {
  position: relative;
  display: flex; align-items: center; gap: 20px;
  margin: 54px 0 30px; padding-left: 0;
  scroll-margin-top: calc(var(--nav-h) + 90px);
  opacity: 0; transform: translateY(18px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.tl-era:first-child { margin-top: 0; }
.tl-era.revealed { opacity: 1; transform: none; }
.tl-era-num {
  flex-shrink: 0;
  width: 56px; height: 56px;
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-hd); font-size: 18px; font-weight: 900;
  color: var(--ec);
  background: var(--bg-page);
  border: 2px solid var(--ec);
  border-radius: 50%;
  box-shadow: 0 0 22px color-mix(in srgb, var(--ec) 40%, transparent);
  text-shadow: 0 0 12px color-mix(in srgb, var(--ec) 60%, transparent);
  z-index: 2;
}
.tl-era-text h2 {
  font-family: var(--font-hd); font-size: clamp(19px, 2.6vw, 27px); font-weight: 800;
  text-transform: uppercase; letter-spacing: 0.06em;
  color: var(--ec);
  text-shadow: 0 0 26px color-mix(in srgb, var(--ec) 35%, transparent);
  line-height: 1.15;
}
.tl-era-years {
  font-family: var(--font-hd); font-size: 10px; font-weight: 600;
  letter-spacing: 0.3em; text-transform: uppercase; color: var(--text-dim);
}

/* ── Events ── */
.tl-event {
  position: relative;
  padding-left: 76px;
  margin-bottom: 14px;
  opacity: 0; transform: translateY(20px);
  transition: opacity 0.55s ease, transform 0.55s ease;
}
.tl-event.revealed { opacity: 1; transform: none; }

.tl-node {
  position: absolute; left: 0; top: 14px;
  width: 56px; height: 56px;
  display: flex; align-items: center; justify-content: center;
  border-radius: 50%;
  background: var(--bg-deep);
  border: 2px solid var(--ec);
  color: var(--ec);
  font-size: 18px;
  box-shadow: 0 0 18px color-mix(in srgb, var(--ec) 30%, transparent);
  z-index: 2;
  transition: transform 0.2s, box-shadow 0.2s;
}
.tl-event:hover .tl-node { transform: scale(1.08); box-shadow: 0 0 30px color-mix(in srgb, var(--ec) 55%, transparent); }

.tl-card {
  background: linear-gradient(160deg, rgba(38, 38, 68, 0.9), rgba(16, 16, 32, 0.92));
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-left: 3px solid var(--ec);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: border-color 0.2s, box-shadow 0.25s;
}
.tl-event.open .tl-card,
.tl-card:hover { box-shadow: 0 8px 30px rgba(0, 0, 0, 0.45), 0 0 22px color-mix(in srgb, var(--ec) 18%, transparent); }

.tl-head {
  width: 100%;
  display: grid;
  grid-template-columns: 1fr 34px;
  grid-template-areas: 'date toggle' 'title toggle' 'lead toggle';
  gap: 4px 12px;
  align-items: center;
  text-align: left;
  background: none; border: none;
  padding: 20px 22px;
  cursor: pointer;
  font-family: inherit;
}
.tl-date {
  grid-area: date;
  font-family: var(--font-hd); font-size: 10px; font-weight: 700;
  letter-spacing: 0.22em; text-transform: uppercase;
  color: var(--ec);
}
.tl-title {
  grid-area: title;
  font-family: var(--font-hd); font-size: clamp(16px, 2vw, 20px); font-weight: 800;
  letter-spacing: 0.04em; text-transform: uppercase;
  color: var(--text-pri);
}
.tl-lead { grid-area: lead; color: var(--text-sec); font-size: 15px; margin-top: 2px; }
.tl-toggle {
  grid-area: toggle;
  width: 34px; height: 34px;
  display: flex; align-items: center; justify-content: center;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 50%;
  color: var(--ec);
  font-size: 12px;
  transition: transform 0.25s, background 0.2s, border-color 0.2s;
}
.tl-head:hover .tl-toggle { background: color-mix(in srgb, var(--ec) 18%, transparent); border-color: var(--ec); }
.tl-event.open .tl-toggle { transform: rotate(180deg); }

.tl-body { max-height: 0; overflow: hidden; transition: max-height 0.45s cubic-bezier(0.4, 0, 0.2, 1); }
.tl-event.open .tl-body { max-height: 1800px; }
.tl-body-inner { padding: 4px 22px 24px; border-top: 1px solid rgba(255, 255, 255, 0.07); margin-top: 4px; padding-top: 18px; }
.tl-body-inner p { color: var(--text-sec); font-size: 15.5px; margin-bottom: 13px; }
.tl-body-inner p:last-child { margin-bottom: 0; }
.tl-body-inner strong { color: var(--text-pri); }

.tl-note {
  font-family: var(--font-hd);
  font-size: 14px !important; font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--ec) !important;
  border-left: 2px solid var(--ec);
  padding-left: 14px;
  margin: 16px 0 !important;
  text-shadow: 0 0 16px color-mix(in srgb, var(--ec) 30%, transparent);
}

.tl-list { list-style: none; display: flex; flex-direction: column; gap: 8px; margin: 4px 0 14px; }
.tl-list li {
  position: relative; padding-left: 22px;
  color: var(--text-sec); font-size: 15px; line-height: 1.55;
}
.tl-list li::before {
  content: '\f0da';
  font-family: 'Font Awesome 6 Free'; font-weight: 900;
  position: absolute; left: 4px; top: 1px;
  font-size: 11px; color: var(--ec);
}

.tl-quote {
  margin: 18px 0;
  padding: 18px 22px;
  background: rgba(0, 0, 0, 0.3);
  border-left: 3px solid var(--ec);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  font-size: 16px; font-style: italic;
  color: var(--text-pri);
}
.tl-quote cite {
  display: block; margin-top: 10px;
  font-family: var(--font-hd); font-size: 9px; font-style: normal; font-weight: 700;
  letter-spacing: 0.2em; text-transform: uppercase; color: var(--text-dim);
}

/* ── Present day ── */
.tl-event.is-now .tl-card {
  background: linear-gradient(160deg, rgba(255, 215, 0, 0.09), var(--bg-card) 60%);
  border-color: rgba(255, 215, 0, 0.4);
  box-shadow: var(--shadow-gold);
}
.tl-event.is-now .tl-node { animation: now-pulse 2.4s ease-in-out infinite; }
@keyframes now-pulse {
  0%, 100% { box-shadow: 0 0 18px rgba(255, 215, 0, 0.35); }
  50%      { box-shadow: 0 0 42px rgba(255, 215, 0, 0.8); }
}
.tl-event.is-now .tl-title { color: var(--gold); text-shadow: 0 0 24px var(--gold-glow); }

/* Launch tie-in under the final node */
.tl-launch {
  margin: 26px 0 0 76px;
  background: linear-gradient(160deg, rgba(38, 38, 68, 0.9), rgba(16, 16, 32, 0.92));
  border: 1px solid rgba(255, 215, 0, 0.3);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-gold);
  padding: 30px 28px;
  text-align: center;
}
.tl-launch .eyebrow { display: block; margin-bottom: 10px; }
.tl-launch h3 {
  font-family: var(--font-hd); font-size: clamp(17px, 2.4vw, 24px); font-weight: 800;
  text-transform: uppercase; letter-spacing: 0.05em; margin-bottom: 8px;
}
.tl-launch p { color: var(--text-sec); font-size: 15px; margin-bottom: 20px; }
.tl-launch .cta-row { display: flex; justify-content: center; flex-wrap: wrap; gap: 16px; }

@media (max-width: 700px) {
  .tl-rail { left: 19px; }
  .tl-event { padding-left: 58px; }
  .tl-node { width: 40px; height: 40px; font-size: 14px; top: 16px; }
  .tl-era-num { width: 40px; height: 40px; font-size: 14px; }
  .tl-era { gap: 14px; }
  .tl-launch { margin-left: 0; padding: 24px 16px; }
  .tl-head { padding: 16px 16px; }
  .tl-body-inner { padding-left: 16px; padding-right: 16px; }
  .tl-tools { margin-left: 0; width: 100%; }
  #tl-toggle-all { width: 100%; }
}