.explain-hero {
  position: relative;
  min-height: 680px;
  overflow: hidden;
  background: #05070a;
}

.explain-hero__backdrop,
.explain-hero__scrim {
  position: absolute;
  inset: 0;
}

.explain-hero__backdrop {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  opacity: 0.72;
}

.explain-hero__scrim {
  background:
    linear-gradient(90deg, rgba(5, 7, 10, 0.92), rgba(5, 7, 10, 0.58) 56%, rgba(5, 7, 10, 0.24)),
    linear-gradient(180deg, rgba(5, 7, 10, 0.64), rgba(5, 7, 10, 0.2) 48%, rgba(5, 7, 10, 0.94));
}

.explain-hero__inner,
.explain-section {
  width: min(1120px, calc(100% - 32px));
  margin: 0 auto;
}

.explain-hero__inner {
  position: relative;
  display: grid;
  align-content: end;
  min-height: 680px;
  padding: 150px 0 82px;
}

.explain-title {
  max-width: 840px;
  margin: 8px 0 18px;
  font-size: clamp(2.5rem, 8vw, 4.65rem);
  letter-spacing: 0;
}

.explain-lede {
  max-width: 760px;
  color: var(--paper-soft);
  font-size: clamp(1.08rem, 2vw, 1.28rem);
  font-weight: 700;
}

.explain-section {
  padding: 70px 0;
}

.explain-section--tight {
  padding-top: 40px;
}

.explain-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
  margin-top: 26px;
}

.rule-card,
.scene-card,
.ui-card,
.glossary-card {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(8, 11, 16, 0.74);
  box-shadow: 0 18px 48px rgba(0, 0, 0, 0.2);
}

.rule-card {
  min-height: 188px;
  padding: 18px;
}

.rule-card__icon,
.scene-card__icon {
  display: inline-grid;
  width: 42px;
  height: 42px;
  margin-bottom: 14px;
  place-items: center;
  border: 1px solid var(--line-strong);
  border-radius: 50%;
  background: rgba(255, 226, 154, 0.08);
  font-size: 1.25rem;
}

.rule-card strong,
.scene-card strong,
.ui-card strong,
.glossary-card strong {
  display: block;
  margin-bottom: 8px;
  color: var(--paper-soft);
  font-size: 1.02rem;
}

.rule-card p,
.scene-card p,
.ui-card p,
.glossary-card p {
  margin-bottom: 0;
  font-size: 0.96rem;
  line-height: 1.55;
}

.flow-diagram {
  margin-top: 28px;
  border: 1px solid var(--line-strong);
  border-radius: 8px;
  background:
    radial-gradient(circle at 15% 8%, rgba(79, 182, 197, 0.2), transparent 32%),
    radial-gradient(circle at 84% 18%, rgba(112, 96, 184, 0.22), transparent 30%),
    linear-gradient(180deg, rgba(8, 11, 16, 0.94), rgba(16, 23, 34, 0.9));
  box-shadow: var(--shadow);
  overflow: auto;
}

.flow-diagram svg {
  display: block;
  min-width: 1040px;
  width: 100%;
  height: auto;
}

.flow-caption {
  margin: 0;
  padding: 0 24px 24px;
  color: var(--ink-muted);
  font-size: 0.95rem;
  line-height: 1.5;
}

.flow-lane {
  fill: rgba(255, 226, 154, 0.04);
  stroke: rgba(255, 226, 154, 0.14);
  stroke-width: 1;
}

.flow-card {
  fill: rgba(8, 11, 16, 0.92);
  stroke: rgba(255, 226, 154, 0.34);
  stroke-width: 1.5;
}

.flow-card--green {
  stroke: rgba(73, 173, 115, 0.76);
}

.flow-card--gold {
  stroke: rgba(214, 167, 58, 0.86);
}

.flow-card--red {
  stroke: rgba(190, 72, 48, 0.9);
}

.flow-card--violet {
  stroke: rgba(112, 96, 184, 0.9);
}

.flow-card--cyan {
  stroke: rgba(79, 182, 197, 0.88);
}

.flow-pill {
  fill: rgba(255, 226, 154, 0.11);
  stroke: rgba(255, 226, 154, 0.32);
  stroke-width: 1;
}

.flow-decision {
  fill: rgba(8, 11, 16, 0.95);
  stroke: rgba(214, 167, 58, 0.92);
  stroke-width: 2;
}

.flow-line {
  fill: none;
  stroke: rgba(244, 230, 195, 0.68);
  stroke-width: 2.5;
  marker-end: url(#arrow);
}

.flow-line--soft {
  stroke: rgba(244, 230, 195, 0.38);
  stroke-dasharray: 8 7;
}

.flow-text {
  fill: var(--paper-soft);
  font-family: var(--sans);
  font-size: 19px;
  font-weight: 900;
  letter-spacing: 0;
}

.flow-text--small {
  fill: var(--ink-muted);
  font-size: 15px;
  font-weight: 700;
}

.flow-text--tiny {
  fill: rgba(244, 230, 195, 0.82);
  font-size: 12px;
  font-weight: 800;
  text-transform: uppercase;
}

.flow-icon {
  fill: var(--gold-soft);
  font-size: 26px;
  font-weight: 900;
}

.flow-symbol {
  fill: rgba(255, 226, 154, 0.1);
  stroke: var(--gold-soft);
  stroke-width: 2.5;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.flow-symbol--cyan {
  stroke: var(--cyan);
}

.flow-symbol--red {
  stroke: var(--ember);
}

.flow-symbol--violet {
  stroke: var(--violet);
}

.flow-day-badge {
  fill: rgba(8, 11, 16, 0.96);
  stroke: rgba(255, 226, 154, 0.45);
  stroke-width: 1.2;
}

.flow-label {
  fill: var(--gold-soft);
  font-family: var(--sans);
  font-size: 13px;
  font-weight: 900;
  letter-spacing: 0;
}

.scene-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
  margin-top: 28px;
}

.scene-card {
  padding: 22px;
}

.scene-card ol {
  display: grid;
  gap: 12px;
  margin: 16px 0 0;
  padding: 0;
  list-style: none;
}

.scene-card li {
  display: grid;
  grid-template-columns: 32px minmax(0, 1fr);
  gap: 10px;
  color: var(--ink-muted);
  line-height: 1.55;
}

.scene-card li span {
  display: grid;
  height: 32px;
  place-items: center;
  border: 1px solid var(--line);
  border-radius: 50%;
  color: var(--gold-soft);
  font-weight: 900;
}

.ui-strip {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 12px;
  margin-top: 26px;
}

.ui-card {
  min-height: 150px;
  padding: 16px;
}

.ui-card[data-signal="free"] {
  border-color: rgba(73, 173, 115, 0.44);
}

.ui-card[data-signal="pressure"] {
  border-color: rgba(214, 167, 58, 0.52);
}

.ui-card[data-signal="claim"] {
  border-color: rgba(190, 72, 48, 0.56);
}

.ui-card[data-signal="fight"] {
  border-color: rgba(112, 96, 184, 0.62);
}

.ui-card[data-signal="settled"] {
  border-color: rgba(79, 182, 197, 0.58);
}

.takeaway {
  display: grid;
  gap: 14px;
  margin-top: 24px;
  padding: 26px;
  border: 1px solid var(--line-strong);
  border-radius: 8px;
  background: rgba(214, 167, 58, 0.1);
}

.takeaway p {
  max-width: 900px;
  margin: 0;
  color: var(--paper-soft);
  font-size: clamp(1.08rem, 2vw, 1.35rem);
  font-weight: 900;
  line-height: 1.45;
}

.glossary-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  margin-top: 26px;
}

.glossary-card {
  padding: 18px;
}

.page-footer {
  width: min(1120px, calc(100% - 32px));
  margin: 0 auto;
  padding: 34px 0 54px;
  color: var(--ink-muted);
}

@media (max-width: 900px) {
  .explain-grid,
  .scene-grid,
  .ui-strip,
  .glossary-grid {
    grid-template-columns: 1fr;
  }

  .explain-hero,
  .explain-hero__inner {
    min-height: 620px;
  }

  .rule-card,
  .ui-card {
    min-height: auto;
  }

  .flow-caption {
    padding-right: 16px;
    padding-left: 16px;
  }
}