.spk-route {
  position: relative;
  width: 100%;
  min-height: 520px;
  overflow: hidden;
  --spk-accent: #AF2036;
}

.spk-route__overlay {
  position: relative;
  z-index: 3;
  padding: clamp(28px, 5vw, 56px);
  display: grid;
  gap: 18px;
  max-width: 1100px;
  margin: 0 auto;
  pointer-events: none; /* keep the route clickable */
}

.spk-route__headline h1 {
  margin: 0;
  font-size: clamp(28px, 4vw, 54px);
  line-height: 1.05;
  letter-spacing: -0.02em;
}

.spk-route__headline p {
  margin: 10px 0 0 0;
  font-size: clamp(14px, 1.4vw, 18px);
  opacity: 0.9;
}

.spk-route__ctas {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  pointer-events: auto;
}

.spk-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  padding: 12px 18px;
  text-decoration: none;
  font-weight: 600;
  border: 1px solid rgba(255,255,255,0.25);
  backdrop-filter: blur(6px);
}

.spk-btn--primary {
  background: var(--spk-accent);
  color: #fff;
  border-color: transparent;
}

.spk-btn--ghost {
  background: rgba(0,0,0,0.25);
  color: #fff;
}

.spk-route__svgwrap {
  position: absolute;
  inset: 0;
  z-index: 2;
}

.spk-route__svg {
  width: 100%;
  height: 100%;
  display: block;
}

.spk-route__path {
  fill: none;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.spk-route__path--guide {
  stroke: rgba(255,255,255,0.22);
  stroke-width: 6;
}

.spk-route__path--active {
  stroke: var(--spk-accent);
  stroke-width: 6;
}

.spk-node circle {
  fill: rgba(255,255,255,0.9);
  stroke: rgba(0,0,0,0.25);
  stroke-width: 1;
}

.spk-node text {
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Arial;
  font-size: 14px;
  font-weight: 700;
  fill: rgba(0,0,0,0.8);
  user-select: none;
}

.spk-node {
  cursor: pointer;
  transform-origin: center;
}

.spk-node.is-active circle {
  fill: var(--spk-accent);
  stroke: rgba(255,255,255,0.7);
}

.spk-node.is-active text {
  fill: #fff;
}

.spk-node--cta circle {
  r: 16;
}

.spk-tooltip {
  position: absolute;
  min-width: 220px;
  max-width: 320px;
  padding: 12px 14px;
  border-radius: 14px;
  background: rgba(10,10,10,0.72);
  color: #fff;
  border: 1px solid rgba(255,255,255,0.18);
  backdrop-filter: blur(10px);
  box-shadow: 0 12px 40px rgba(0,0,0,0.25);
  transform: translate(-50%, -115%);
  opacity: 0;
  pointer-events: none;
  transition: opacity 140ms ease;
  z-index: 4;
}

.spk-tooltip.is-visible {
  opacity: 1;
}

.spk-tooltip__title {
  font-weight: 800;
  margin-bottom: 6px;
}

.spk-tooltip__copy {
  font-size: 13px;
  line-height: 1.35;
  opacity: 0.92;
}

@media (prefers-reduced-motion: reduce) {
  .spk-tooltip { transition: none; }
}