.about-hero-panel {
  display: grid;
  grid-template-columns: minmax(0, 1.12fr) minmax(320px, 0.88fr);
  min-height: 440px;
  overflow: clip;
  border: 1px solid var(--color-white-45);
  border-radius: var(--radius-xl);
  background: var(--color-panel);
  box-shadow: var(--shadow-card);
}

.about-hero-copy {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 54px;
}

.about-hero-copy h1 {
  margin-top: 22px;
  margin-bottom: 20px;
}

.about-hero-copy .lead {
  max-width: 38em;
  margin-bottom: 0;
}

.about-route {
  position: relative;
  min-height: 360px;
  background: var(--color-butter);
}

.about-route::before {
  position: absolute;
  inset: 24px;
  content: '';
  border: 1px dashed var(--color-border);
  border-radius: var(--radius-lg);
}

.about-route svg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.about-cloud {
  filter: drop-shadow(0 8px 12px var(--color-ink-14));
}

.about-cloud-peach {
  fill: var(--color-peach);
}

.about-cloud-lavender {
  fill: var(--color-lavender);
}

.about-route-line {
  fill: none;
  stroke: var(--color-text);
  stroke-width: 9;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.about-route-highlight {
  fill: none;
  stroke: var(--color-panel);
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
  opacity: 0.8;
}

.about-ground {
  fill: var(--color-panel-deep);
}

.about-ground-line {
  fill: none;
  stroke: var(--color-border);
  stroke-width: 2;
}

.about-ring {
  fill: none;
  stroke: var(--color-text);
  stroke-width: 2;
}

.about-ring-wide {
  opacity: 0.35;
}

.about-endpoint {
  fill: var(--color-text);
}

.about-facts {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
  margin-top: 14px;
}

.about-facts li {
  min-width: 0;
  padding: 20px 22px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background: var(--color-panel-deep);
  box-shadow: var(--shadow-small);
}

.about-facts strong,
.about-facts span {
  display: block;
}

.about-facts strong {
  font-family: var(--font-mono);
  font-size: 19px;
  line-height: 1.25;
}

.about-facts span {
  margin-top: 5px;
  color: var(--color-muted);
  font-size: 13px;
}

.about-principles {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.about-principle {
  display: flex;
  min-height: 390px;
  flex-direction: column;
  align-items: flex-start;
  padding: 30px;
  transform-style: preserve-3d;
}

.about-principle-mark {
  display: grid;
  width: 64px;
  height: 64px;
  place-items: center;
  margin-bottom: 28px;
  border-radius: var(--radius-lg);
  color: var(--color-text);
  background: var(--color-panel);
  box-shadow: var(--shadow-small);
}

.about-principle-mark svg {
  width: 38px;
  height: 38px;
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.about-principle h2 {
  margin-top: 12px;
  margin-bottom: 16px;
  font-size: clamp(26px, 3vw, 34px);
}

.about-principle p {
  margin-bottom: 0;
  color: var(--color-muted);
}

.about-callout {
  max-width: 860px;
  margin-top: 28px;
  margin-bottom: 0;
}

@media (max-width: 980px) {
  .about-hero-panel {
    grid-template-columns: 1fr;
  }

  .about-route {
    min-height: 340px;
  }

  .about-principles {
    grid-template-columns: 1fr;
  }

  .about-principle {
    min-height: 0;
  }
}

@media (max-width: 768px) {
  .about-hero-copy {
    padding: 34px 26px;
  }

  .about-route {
    min-height: 300px;
  }

  .about-facts {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .about-principle {
    padding: 26px;
  }
}

@media (max-width: 420px) {
  .about-hero-copy {
    padding: 28px 22px;
  }

  .about-route {
    min-height: 260px;
  }

  .about-facts {
    grid-template-columns: 1fr;
  }
}