/* V3: the original coordinate composition, with the editorial type retained. */
.hero {
  grid-template-columns: minmax(0, 1.12fr) minmax(0, 1fr);
  column-gap: clamp(54px, 6vw, 88px);
  align-items: center;
}

.hero-copy { padding-bottom: 0; }
.hero h1 { font-size: clamp(76px, 7.4vw, 106px); }
.opening-line { max-width: 46ch; }
.hero-intro { max-width: 56ch; margin-top: 24px; color: var(--text); font-size: 16px; line-height: 1.8; }
.hero-intro p { margin-bottom: 1.15em; }
.hero-intro p:last-child { margin-bottom: 0; }

.coordinate-hero { position: relative; width: 100%; margin: 0; color: var(--olive); }
.coordinate-canvas { position: relative; }
.coordinate-drawing { display: block; width: 100%; height: auto; overflow: visible; }
.coordinate-axes, .coordinate-ring, .coordinate-ticks, .coordinate-echo, .coordinate-orbit-trail {
  fill: none;
  stroke: currentColor;
  stroke-width: 1;
  vector-effect: non-scaling-stroke;
}
.coordinate-axes { color: var(--line); }
.coordinate-ring, .coordinate-ticks { stroke-width: 1.1; opacity: .85; }
.coordinate-center { fill: currentColor; }
.coordinate-echo { opacity: 0; }
.coordinate-orbit { opacity: 0; }
.coordinate-orbit-trail { stroke-width: 1.6; opacity: .6; }
.coordinate-orbit-point { fill: currentColor; }
.coordinate-axis-labels { fill: var(--muted); font: 10px var(--font-ui); letter-spacing: 2.5px; }
.coordinate-label {
  position: absolute;
  top: 64%;
  left: 50%;
  width: max-content;
  max-width: 100%;
  transform: translateX(-50%);
  display: grid;
  gap: 10px;
  text-align: center;
  text-transform: uppercase;
  color: var(--muted);
  font: 11px/1.5 var(--font-ui);
  letter-spacing: .22em;
}
.coordinate-label small { font-size: 9px; letter-spacing: .17em; }
.map-meta {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  margin-top: 8px;
  color: var(--muted);
  font: 10px/1.6 var(--font-ui);
  letter-spacing: .12em;
  text-transform: uppercase;
}
.map-meta span:last-child { text-align: right; }
.marker-toggle {
  position: absolute;
  top: 12px;
  right: 0;
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  padding: 0;
  color: var(--olive);
  border: 0;
  border-radius: 50%;
  background: transparent;
  cursor: pointer;
  opacity: .75;
}
.marker-toggle:hover { background: #e9eadf; opacity: 1; }
.marker-toggle svg { width: 12px; height: 12px; fill: currentColor; }
.marker-toggle .icon-play, .marker-toggle.is-paused .icon-pause { display: none; }
.marker-toggle.is-paused .icon-play { display: block; }

@media (max-width: 1050px) and (min-width: 761px) {
  .hero { grid-template-columns: minmax(0, 1.25fr) minmax(0, 1fr); column-gap: 40px; }
  .hero h1 { font-size: 76px; }
  .hero .lead { font-size: 22px; }
  .map-meta { flex-direction: column; gap: 7px; }
  .map-meta span:last-child { text-align: left; }
}

@media (max-width: 760px) {
  .hero { grid-template-columns: minmax(0, 1fr); gap: 22px; }
  .hero h1 { font-size: clamp(62px, 12vw, 82px); }
  .hero-intro { max-width: 60ch; font-size: 17px; margin-top: 22px; }
  .coordinate-hero { width: min(100%, 390px); justify-self: center; }
  .coordinate-canvas { margin-block: -25px -20px; }
  .map-meta { font-size: 9px; letter-spacing: .08em; gap: 14px; }
  .marker-toggle { top: 16px; }
}

@media (prefers-reduced-motion: reduce) {
  .marker-toggle, .coordinate-echo, .coordinate-orbit { display: none; }
}