body {
  background: #f7f8f5;
  color: #17231c;
}

.challenge-guide-header {
  background: #173c32;
}

.challenge-guide-header .navbar-brand,
.challenge-guide-header .nav-link {
  color: #fff;
}

.challenge-guide-main {
  max-width: 1040px;
}

.challenge-guide-kicker {
  color: #a34f2a;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.challenge-guide-intro {
  max-width: 760px;
  font-size: 1.16rem;
}

.challenge-guide-section {
  border-top: 1px solid #d8e0d8;
  padding-top: 2.2rem;
}

.challenge-guide-section h2 {
  color: #173c32;
}

.challenge-guide-section h3 {
  font-size: 1.05rem;
  margin-top: 1.6rem;
}

.challenge-guide-grid {
  display: grid;
  gap: 1rem;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.challenge-guide-panel {
  background: #fff;
  border: 1px solid #d8e0d8;
  border-radius: 6px;
  padding: 1.15rem;
}

.challenge-guide-panel h3 {
  margin-top: 0;
}

.challenge-guide-panel ul,
.challenge-guide-panel ol {
  margin-bottom: 0;
  padding-left: 1.25rem;
}

.challenge-guide-shot {
  margin: 1.25rem 0 0;
}

.challenge-guide-shot img {
  background: #e7ece7;
  border: 1px solid #bac8bc;
  border-radius: 6px;
  display: block;
  height: auto;
  max-width: 100%;
}

.challenge-guide-shot figcaption {
  color: #53635a;
  font-size: 0.92rem;
  margin-top: 0.6rem;
}

.challenge-guide-steps li {
  margin-bottom: 0.8rem;
}

.challenge-guide-cta {
  background: #e6f0e9;
  border-left: 4px solid #2f765f;
  padding: 1.2rem 1.3rem;
}

@media (max-width: 700px) {
  .challenge-guide-grid {
    grid-template-columns: 1fr;
  }

  .challenge-guide-main {
    padding-left: 1rem;
    padding-right: 1rem;
  }
}