.demandas-section {
  position: relative;
  padding: 110px 0;
  background: linear-gradient(180deg, #6f4d40 0%, #5f4136 48%, #52372e 100%);
  overflow: hidden;
}

.demandas-section::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at top left, rgba(255, 255, 255, 0.08), transparent 26%),
    radial-gradient(circle at bottom right, rgba(255, 255, 255, 0.05), transparent 24%);
  pointer-events: none;
}

.demandas-shell {
  position: relative;
  z-index: 2;
  width: min(100% - 40px, 1200px);
  margin-inline: auto;
}

.demandas-heading {
  max-width: 760px;
  margin-bottom: 40px;
}

.demandas-kicker {
  display: inline-block;
  margin-bottom: 12px;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.76);
}

.demandas-heading h2 {
  font-family: var(--font-display);
  font-size: clamp(2.2rem, 4vw, 3.2rem);
  line-height: 0.95;
  letter-spacing: -0.03em;
  color: #fffaf8;
  margin-bottom: 16px;
}

.demandas-intro {
  font-size: 1.04rem;
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.82);
}

.demandas-grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 20px;
}

.demanda-card {
  position: relative;
  grid-column: span 4;
  min-height: 220px;
  padding: 26px;
  border-radius: 24px;
  background:
    linear-gradient(180deg, rgba(255,255,255,0.10), rgba(255,255,255,0.05));
  border: 1px solid rgba(255, 255, 255, 0.10);
  box-shadow: 0 18px 40px rgba(35, 18, 12, 0.16);
  backdrop-filter: blur(10px);
  overflow: hidden;
  transition:
    transform 0.35s ease,
    border-color 0.35s ease,
    box-shadow 0.35s ease,
    background 0.35s ease;
}

.demanda-card::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(135deg, rgba(255,255,255,0.10), transparent 45%),
    radial-gradient(circle at top right, rgba(255,255,255,0.10), transparent 30%);
  opacity: 0;
  transition: opacity 0.35s ease;
  pointer-events: none;
}

.demanda-card::after {
  content: "";
  position: absolute;
  inset: auto 24px 0 24px;
  height: 2px;
  background: linear-gradient(90deg, rgba(255,255,255,0), rgba(255,255,255,0.55), rgba(255,255,255,0));
  opacity: 0;
  transform: translateY(8px);
  transition: opacity 0.35s ease, transform 0.35s ease;
}

.demanda-card:hover,
.demanda-card.is-active {
  transform: translateY(-10px);
  border-color: rgba(255, 255, 255, 0.18);
  background:
    linear-gradient(180deg, rgba(255,255,255,0.15), rgba(255,255,255,0.07));
  box-shadow: 0 28px 54px rgba(35, 18, 12, 0.24);
}

.demanda-card:hover::before,
.demanda-card.is-active::before {
  opacity: 1;
}

.demanda-card:hover::after,
.demanda-card.is-active::after {
  opacity: 1;
  transform: translateY(0);
}

.demanda-card-featured {
  grid-column: span 6;
}

.demanda-card-content h3 {
  font-size: 1.28rem;
  line-height: 1.2;
  color: #fff;
  margin-bottom: 12px;
}

.demanda-card-content p {
  font-size: 0.96rem;
  line-height: 1.75;
  color: rgba(255, 255, 255, 0.82);
  max-width: 32ch;
}

.section-reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

.section-reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 980px) {
  .demandas-section {
    padding: 84px 0;
  }

  .demandas-shell {
    width: min(100% - 28px, 1200px);
  }

  .demandas-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .demanda-card,
  .demanda-card-featured {
    grid-column: auto;
    min-height: 200px;
  }
}

@media (max-width: 640px) {
  .demandas-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .demandas-heading {
    margin-bottom: 28px;
  }

  .demandas-heading h2 {
    font-size: clamp(1.95rem, 8vw, 2.5rem);
  }

  .demandas-intro,
  .demanda-card-content p {
    font-size: 0.95rem;
    line-height: 1.7;
  }

  .demanda-card {
    min-height: auto;
    padding: 22px;
    border-radius: 22px;
  }
}