.footer {
background: #0a2e6f;
color: #ffffff;
padding: 64px 24px 24px;
}

.footer-container {
max-width: 1200px;
margin: 0 auto 32px;
display: grid;
grid-template-columns: 1.5fr 1fr 1fr;
gap: 48px;
}

/* Marca */
.footer-brand img {
height: 42px;
margin-bottom: 16px;
}

.footer-brand p {
font-size: 0.95rem;
opacity: 0.9;
line-height: 1.5;
}

/* Certificações */
.footer-brand .certificacoes-box {
  margin-top: 20px;
  background: #ffffff;
  border-radius: 16px;
  padding: 14px;
  max-width: 260px;
  overflow: hidden; /* garante bordas arredondadas */
}

.footer-brand .certificacoes-box img {
  width: 100%;
  height: auto;
  display: block;
  border-radius: 12px;
}

/* Links */
.footer-links h4,
.footer-social h4 {
font-size: 1.05rem;
margin-bottom: 16px;
}

.footer-links ul {
list-style: none;
}

.footer-links li {
margin-bottom: 10px;
}

.footer-links a {
color: #ffffff;
text-decoration: none;
font-size: 0.95rem;
opacity: 0.85;
transition: opacity 0.3s ease;
}

.footer-links a:hover {
opacity: 1;
}

/* Redes sociais */
.social-icons {
display: flex;
gap: 16px;
}

.social-icons a {
width: 36px;
height: 36px;
border-radius: 50%;
overflow: hidden; /* ESSENCIAL */
background: transparent;
display: flex;
align-items: center;
justify-content: center;
transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.social-icons a img {
width: 100%;
height: 100%;
object-fit: cover; /* preenche a bolinha */
display: block;
}

/* Hover */
.social-icons a:hover {
transform: translateY(-3px);
box-shadow: 0 6px 16px rgba(0, 0, 0, 0.25);
}

/* Bottom */
.footer-bottom {
border-top: 1px solid rgba(255, 255, 255, 0.15);
padding-top: 16px;
text-align: center;
font-size: 0.85rem;
opacity: 0.8;
}

/* Responsivo */
@media (max-width: 900px) {
.footer-container {
grid-template-columns: 1fr;
text-align: center;
}

.social-icons {
justify-content: center;
}

.footer-certificacoes {
display: flex;
flex-direction: column;
align-items: center;
}

.certificacoes-box {
margin: 0 auto;
}
}