.protocol-home-route {
  margin-top: var(--header-h, 72px);
  color: #fff;
  background: #a55d3d;
}

.protocol-home-route + .page-banner {
  margin-top: 0;
}

.protocol-home-route a {
  width: min(1160px, calc(100% - 48px));
  min-height: 52px;
  margin-inline: auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  color: inherit;
  text-decoration: none;
}

.protocol-home-route-label {
  font: 700 .68rem/1.2 Inter, sans-serif;
  letter-spacing: .16em;
  opacity: .78;
}

.protocol-home-route-action {
  display: flex;
  align-items: center;
  gap: 14px;
  font-size: .9rem;
  letter-spacing: .04em;
}

.protocol-home-route-arrow {
  font-size: 1.15rem;
  transition: transform .2s ease;
}

.protocol-home-route a:hover .protocol-home-route-arrow,
.protocol-home-route a:focus-visible .protocol-home-route-arrow {
  transform: translateX(5px);
}

.protocol-lab-cta {
  padding: clamp(64px, 8vw, 104px) 24px;
  color: #fff;
  background: #17342f;
}

.protocol-lab-cta-inner {
  width: min(960px, 100%);
  margin-inline: auto;
  text-align: center;
}

.protocol-lab-cta-kicker {
  margin: 0 0 18px;
  color: #d9c69e;
  font: 700 .7rem/1.4 Inter, sans-serif;
  letter-spacing: .2em;
}

.protocol-lab-cta h2 {
  margin: 0;
  color: #fff;
  font-size: clamp(1.65rem, 3.2vw, 2.75rem);
  line-height: 1.35;
  letter-spacing: -.025em;
}

.protocol-lab-cta-copy {
  max-width: 660px;
  margin: 20px auto 0;
  color: rgba(255, 255, 255, .76);
  font-size: .98rem;
  line-height: 1.9;
}

.protocol-lab-cta-button {
  width: min(380px, 100%);
  min-height: 66px;
  margin: 32px auto 0;
  padding: 15px 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 18px;
  color: #17342f;
  background: #d9c69e;
  font-weight: 700;
  text-decoration: none;
  transition: background .2s ease, transform .2s ease;
}

.protocol-lab-cta-button:hover,
.protocol-lab-cta-button:focus-visible {
  color: #17342f;
  background: #ead9b7;
  transform: translateY(-2px);
}

.protocol-lab-cta-button span:last-child {
  font-size: 1.2rem;
}

@media (max-width: 640px) {
  .protocol-home-route a {
    width: calc(100% - 36px);
    min-height: 48px;
  }

  .protocol-home-route-label { display: none; }
  .protocol-home-route-action { width: 100%; justify-content: space-between; }
  .protocol-lab-cta { padding-inline: 18px; }
}

@media (prefers-reduced-motion: reduce) {
  .protocol-home-route-arrow,
  .protocol-lab-cta-button { transition: none; }
}