.split-section {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 46px;
  align-items: center;
}

.equation {
  display: grid;
  grid-template-columns: repeat(4, minmax(80px, 1fr));
  gap: 10px;
  align-items: stretch;
}

.equation span,
.equation strong {
  min-height: 82px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.045);
  border-radius: 8px;
  text-align: center;
  padding: 10px;
}

.equation strong {
  grid-column: 1 / -1;
  background: rgba(43, 199, 189, 0.16);
  color: var(--text);
}

.rules-section .rule-grid article {
  position: relative;
  min-height: 210px;
  background: rgba(7, 22, 34, 0.74);
}

.rules-section .rule-grid span {
  display: block;
  margin-bottom: 34px;
  color: var(--warning);
  font-family: var(--font-serif);
  font-size: 2.8rem;
  line-height: 1;
}

.systems-section {
  border-top: 1px solid rgba(242, 184, 75, 0.18);
  border-bottom: 1px solid rgba(242, 184, 75, 0.18);
}

.systems-section .equation span,
.systems-section .equation strong {
  border-color: rgba(43, 199, 189, 0.28);
}

.visual-stack {
  display: grid;
  gap: 14px;
}

.section-image,
.wide-image {
  margin: 0;
  overflow: hidden;
  border: 1px solid rgba(242, 184, 75, 0.26);
  border-radius: 8px;
  background: #061c2d;
}

.section-image img,
.wide-image img {
  display: block;
  width: 100%;
  height: auto;
}

.wide-image {
  margin-bottom: 18px;
}

.being-grid article {
  min-height: 224px;
  display: flex;
  flex-direction: column;
}

.being-grid article p {
  margin-bottom: 0;
}

.being-dot {
  position: relative;
}

.being-dot::after {
  content: "";
  position: absolute;
  top: 7px;
  left: 24px;
  width: 42px;
  height: 1px;
  background: currentColor;
  opacity: 0.44;
}

.vera { color: #ff6868; }
.tomas { color: #89a7ff; }
.lia { color: #2bc7bd; }
.bruno { color: #b28cff; }
.hector { color: var(--yellow); }

.circumstances-section .principle-box {
  background: rgba(242, 184, 75, 0.08);
  border-color: rgba(242, 184, 75, 0.34);
}

.circumstances-section .principle-box p {
  color: var(--text);
  font-family: var(--font-serif);
  font-size: 1.5rem;
  line-height: 1.28;
}

.prototype-proof {
  margin: 0 0 18px;
  border: 1px solid rgba(43, 199, 189, 0.28);
  border-radius: 8px;
  background: #061c2d;
  overflow: hidden;
}

.proof-row {
  display: grid;
  grid-template-columns: 86px 140px 1fr;
  gap: 12px;
  padding: 16px 18px;
  border-top: 1px solid rgba(255, 255, 255, 0.09);
  color: var(--muted);
}

.proof-row:first-child {
  border-top: 0;
}

.proof-row span:first-child {
  color: var(--warning);
  font-weight: 800;
}

.proof-row span:nth-child(2) {
  color: var(--teal);
}

.proof-head {
  background: rgba(43, 199, 189, 0.08);
}

.alive-section .note-list article {
  background: rgba(255, 255, 255, 0.035);
}

.genesis-map img {
  display: block;
  width: 100%;
  height: auto;
  border: 1px solid var(--line);
  border-radius: 8px;
  object-fit: contain;
}

.genesis-section {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: 42px;
  align-items: center;
  padding-bottom: 120px;
}

.genesis-map {
  margin: 0;
  overflow: hidden;
}