/* Explanatory motion: text and the original brand mark remain still. */
.core-brand-emblem {
  position: relative;
  display: grid;
  place-items: center;
  width: 116px;
  height: 116px;
  border: 1px solid var(--line);
  border-radius: 50%;
  background: var(--bg);
  box-shadow: 0 14px 28px -22px #163e3d66, inset 0 1px 0 #ffffff30;
}
.core-brand-emblem img { display: block; width: 84px; height: 76px; object-fit: contain; }
.core-brand-emblem::after {
  content: "";
  position: absolute;
  inset: -5px;
  border: 1px solid var(--accent);
  border-radius: inherit;
  opacity: .16;
  pointer-events: none;
}
.diagram-motion-controls { display: flex; justify-content: flex-end; margin: -9px 0 20px; }
.research-illustration > .diagram-motion-controls { margin: 20px 0 0; justify-content: flex-end; }
.diagram-motion-controls[hidden] { display: none; }
.diagram-motion-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  padding: 9px;
  border: 1px solid var(--line);
  border-radius: 50%;
  background: transparent;
  color: var(--muted);
  font: inherit;
  font-size: .62rem;
  line-height: 1.4;
  cursor: pointer;
}
.diagram-motion-toggle:hover { border-color: var(--accent); color: var(--ink); }
.diagram-motion-toggle:focus-visible { outline: 2px solid var(--accent); outline-offset: 4px; }
.diagram-motion-toggle svg { width: 11px; height: 11px; flex: 0 0 11px; }
.diagram-motion { --diagram-play-state: paused; --diagram-duration: 6s; }
.diagram-motion.diagram-is-running { --diagram-play-state: running; }
.diagram-motion > li { position: relative; }
.diagram-motion .diagram-track {
  position: absolute;
  left: 12px;
  right: 12px;
  bottom: 0;
  height: 2px;
  padding: 0;
  border: 0;
  background: transparent;
  overflow: hidden;
  pointer-events: none;
  border-radius: 2px;
}
.diagram-track::after {
  content: "";
  display: block;
  height: 100%;
  width: 100%;
  transform: scaleX(0);
  transform-origin: left;
  background: var(--accent);
  opacity: 0;
}
.flow-ai .diagram-track::after { background: #bddfbd; }
.diagram-motion-enabled .diagram-track::after {
  animation: diagram-step-trace var(--diagram-duration) ease-in-out infinite;
  animation-delay: var(--diagram-delay, 0s);
  animation-play-state: var(--diagram-play-state);
}
.diagram-motion :is(.flow-marker, .step-number) { position: relative; }
.diagram-motion :is(.flow-marker, .step-number)::before {
  content: "";
  position: absolute;
  inset: -6px -4px;
  border-radius: 12px;
  border: 1px solid currentColor;
  opacity: 0;
  pointer-events: none;
}
.diagram-motion-enabled :is(.flow-marker, .step-number)::before {
  animation: diagram-checkpoint var(--diagram-duration) ease-in-out infinite;
  animation-delay: var(--diagram-delay, 0s);
  animation-play-state: var(--diagram-play-state);
}
.research-illustration .research-bridge { position: relative; min-height: 28px; line-height: 28px; }
.research-bridge::before {
  content: "";
  position: absolute;
  width: 1px;
  top: 1px;
  bottom: 1px;
  left: calc(50% - 14px);
  background: var(--line);
}
.research-bridge::after {
  content: "";
  position: absolute;
  top: 0;
  left: calc(50% - 16px);
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--accent);
  opacity: 0;
}
.research-illustration.diagram-motion-enabled .research-bridge::after {
  animation: diagram-research-packet var(--diagram-duration) ease-in-out infinite;
  animation-delay: var(--diagram-delay, 0s);
  animation-play-state: var(--diagram-play-state);
}
.research-illustration.diagram-motion-enabled .core-brand-emblem::after {
  animation: diagram-core-receive var(--diagram-duration) ease-in-out infinite;
  animation-play-state: var(--diagram-play-state);
}
.research-illustration .evaluation-row > span { position: relative; }
.research-illustration .evaluation-row .diagram-track { left: 6px; right: 6px; }
@keyframes diagram-step-trace {
  0% { opacity: 0; transform: scaleX(0); }
  3% { opacity: .7; transform: scaleX(.05); }
  17% { opacity: .7; transform: scaleX(1); }
  24%, 100% { opacity: 0; transform: scaleX(1); }
}
@keyframes diagram-checkpoint {
  0%, 25%, 100% { opacity: 0; }
  6%, 16% { opacity: .4; }
}
@keyframes diagram-research-packet {
  0% { opacity: 0; transform: translateY(0); }
  3% { opacity: .8; }
  16% { opacity: .8; transform: translateY(22px); }
  19%, 100% { opacity: 0; transform: translateY(22px); }
}
@keyframes diagram-core-receive {
  0%, 17%, 53%, 100% { opacity: .16; transform: scale(1); }
  30%, 38% { opacity: .48; transform: scale(1.025); }
}
@media (prefers-reduced-motion: reduce) {
  .diagram-motion *, .diagram-motion *::before, .diagram-motion *::after { animation: none !important; }
  .diagram-motion-controls { display: none; }
  .core-brand-emblem::after { opacity: .16; transform: none; }
}

/* Follow the module cards' existing clockwise connector route. */
.module-flow .diagram-connector { position: absolute; right: -24px; top: calc(50% - 10px); width: 22px; height: 4px; pointer-events: none; }
.module-flow .diagram-connector::after { content: ""; position: absolute; width: 4px; height: 4px; border-radius: 50%; background: var(--accent); opacity: 0; }
.module-flow > li:nth-child(2) .diagram-connector { left: calc(50% + 10px); right: auto; top: auto; bottom: -22px; width: 4px; height: 20px; }
.module-flow > li:nth-child(3) .diagram-connector { right: auto; left: -24px; }
.module-flow.diagram-motion-enabled .diagram-connector::after { animation: diagram-link-right var(--diagram-duration) ease-in-out infinite; animation-delay: var(--diagram-delay); animation-play-state: var(--diagram-play-state); }
.module-flow.diagram-motion-enabled > li:nth-child(2) .diagram-connector::after { animation-name: diagram-link-down; }
.module-flow.diagram-motion-enabled > li:nth-child(3) .diagram-connector::after { animation-name: diagram-link-left; }
@keyframes diagram-link-right { 0% { opacity: 0; transform: translateX(0); } 2% { opacity: .8; } 9% { opacity: .8; transform: translateX(18px); } 12%, 100% { opacity: 0; transform: translateX(18px); } }
@keyframes diagram-link-down { 0% { opacity: 0; transform: translateY(0); } 2% { opacity: .8; } 9% { opacity: .8; transform: translateY(17px); } 12%, 100% { opacity: 0; transform: translateY(17px); } }
@keyframes diagram-link-left { 0% { opacity: 0; transform: translateX(18px); } 2% { opacity: .8; } 9% { opacity: .8; transform: translateX(0); } 12%, 100% { opacity: 0; transform: translateX(0); } }