/* ── Section ── */
.challenge-section {
  margin: 0 auto;
  padding: 30px 0 30px;
  background: #F8F8F8;
}

.hyk-container {
  width: 100%;
  max-width: 1480px;
  margin: 0 auto;
  padding: 0px 40px;
}

/* ── Header ── */
.challenge-section-header {
  text-align: center;
  margin-bottom: 35px;
}

.challenge-section-label {
  display: block;
  font-size: 12px;
  font-weight: 500;
  text-transform: uppercase;
  color: rgba(0, 0, 0, 0.5);
  margin-bottom: 6px;
  line-height: 28px;
}

.challenge-section-title {
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: 700;
  line-height: 1.15;
  color: #0f0f0f;
  margin-bottom: 20px;
}

.challenge-section-subtitle {
  font-size: 16px;
  color: rgba(0, 0, 0, 0.80);
  line-height: 28px;
  max-width: 560px;
  margin: 0 auto;
  font-weight: 400;
}

/* ── Grid ── */
.challenge-cards-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 22px;
}

/* ── Card ── */
.challenge-card {
  background: #ffffff;
  border-radius: 16px;
  padding: 30px;
  box-shadow: 0px 2px 4px 0px rgba(0, 0, 0, 0.14),
              0px 0px 2px 0px rgba(0, 0, 0, 0.12);
}

.challenge-card--last {
  grid-column: 1 / 2;
}

.challenge-card-title {
  font-size: 20px;
  font-weight: 600;
  line-height: 27px;
  color: #000;
  margin: 0 0 10px;
  padding: 0;
}

.challenge-card-text {
  font-size: 15px;
  color: rgba(0, 0, 0, 0.80);
  line-height: 25px;
  margin: 0;
  padding: 0;
}

/* ── Responsive ── */
@media (max-width: 640px) {

  .challenge-section {
    padding: 56px 20px;
  }

  .challenge-cards-grid {
    grid-template-columns: 1fr;
  }

  .challenge-card--last {
    grid-column: 1 / -1;
  }

}