:root {
  --bg: #f9fafb;
  --text: #2e2e2e;
  --menus: #7b7b7b;
  --btn-pri: #4a90e2;
  --hover: #1a56d1;
  --btn-sec: #22c55e;
}
footer {
  background: linear-gradient(to right, #1c2b40, #223c5e, #1c2b40);
  border-top: 3px solid var(--text);
  opacity: 0;
  transition: all 0.6s ease;
}
footer section {
  max-width: 1200px;
  margin: 0 auto;
  padding: 1.5rem 3rem;
  display: flex;
  flex-direction: row;
  justify-content: space-around;
}
.esquerda img {
  width: 100px;
  height: auto;
  cursor: pointer;
}
footer h4 {
  color: var(--menus);
  font-weight: 600;
  font-size: 16px;
}
footer nav {
  display: flex;
  flex-direction: column;
  gap: 15px;
}
footer a {
  color: #cbd5e1;
  text-decoration: none;
  font-size: 14px;
  font-weight: 500;
}
footer a:hover {
  color: #ffffff;
}
.direita {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.redes {
  background: transparent;
  border: none;
}
.redes img {
  width: 30px;
  height: auto;
  cursor: pointer;
}
.redes img:hover {
  transform: scale(1.02);
}
footer section p {
  color: #64748b;
  font-size: 12px;
  font-weight: 300;
}
.footer.apareceu {
  animation: tela 0.3s ease forwards;
}
.whatsapp-float {
  position: fixed;
  bottom: 20px;
  right: 20px;
  z-index: 1000;
  width: 60px;
  height: 60px;
  background-color: #25d366;
  border-radius: 50%;
  box-shadow: 0 4px 10px rgba(0,0,0,0.2);
  display: flex;
  justify-content: center;
  align-items: center;
  transition: transform 0.3s ease;
}
.whatsapp-float:hover {
  transform: scale(1.1);
}
.whatsapp-float img {
  width: 35px;
  height: 35px;
}
@media (max-width: 767px) {
  header {
    flex-wrap: wrap;
    padding: 0.5rem 1rem;
    justify-content: space-between;
  }
  header nav {
    display: none;
    flex-direction: column;
    align-items: center;
    width: 100%;
    background: transparent;
    padding: 2rem 1rem;
    gap: 1.2rem;
    animation: menuFade 0.3s ease forwards;
  }
  header nav.active {
    display: flex;
  }
  header nav a {
    font-size: 18px;
    position: relative;
  }
  header nav a::after {
    content: "";
    position: absolute;
    bottom: -6px;
    left: 0;
    width: 0%;
    height: 2px;
    background: var(--hover);
    transition: 0.3s ease;
  }
  header nav a:hover::after {
    width: 100%;
  }
  @keyframes menuFade {
    from {
      opacity: 0;
      transform: translateY(-10px);
    }
    to {
      opacity: 1;
      transform: translateY(0);
    }
  }
}