/* Página interna: Saneamento Básico */
:root {
  --cinza-bg: #f7f7f7;
}

.interna-banner {
  position: relative;
  height: 300px;
  min-height: 300px;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-top: 0;
}

.interna-banner-img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.interna-banner-overlay {
  position: absolute;
  inset: 0;
  background: rgba(8, 182, 252, 0.85);  

	
  z-index: 1;
}

.interna-banner-content {
  position: relative;
  z-index: 2;
  width: 100%;
  max-width: 1200px;
  padding: 0 20px;
  text-align: center;
}

.interna-banner h1 {
  margin: 0;
  color: #fff;
  font-size: clamp(34px, 5vw, 56px);
  font-weight: 800;
  line-height: 1.1;
  text-transform: uppercase;
  letter-spacing: 0.02em;
}

.interna-conteudo {
  background: var(--cinza-bg);
  padding: 70px 0;
}

.interna-texto {
  max-width: 980px;
  margin: 0 auto;
  color: #000;
}

.interna-texto h2,
.interna-texto h3 {
  color: var(--azul-claro, #0b8fd3);
  font-weight: 800;
}

.interna-texto h2 {
  margin: 0 0 28px;
  font-size: clamp(30px, 4vw, 44px);
  line-height: 1.15;
}

.interna-texto h3 {
  margin: 34px 0 14px;
  font-size: 24px;
}

.interna-texto p {
  margin: 0 0 22px;
  color: #000;
  font-size: 18px;
  line-height: 1.75;
}

.interna-whats-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: 54px;
  margin: 8px 0 26px;
  padding: 0 28px;
  border-radius: 6px;
  background: #25d366;
  color: #fff;
  font-size: 15px;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.3px;
  box-shadow: 0 10px 24px rgba(0,0,0,0.18);
  transition: background 0.2s, transform 0.2s;
}

.interna-whats-btn:hover {
  background: #20bd5a;
  transform: translateY(-2px);
}

.interna-whats-btn svg {
  width: 22px;
  height: 22px;
  flex: 0 0 22px;
  fill: currentColor;
}

.interna-destaque {
  font-weight: 700;
}

@media (max-width: 768px) {
  .interna-banner {
    height: 260px;
    min-height: 260px;
  }

  .interna-conteudo {
    padding: 45px 0;
  }

  .interna-texto p {
    font-size: 16px;
    line-height: 1.65;
  }
}