/* Reset básico */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  min-height: 100vh;
  background: white;
  font-family: Arial, sans-serif;
  transition: background 0.5s ease;
}

.container {
  flex: 1;
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 1rem;
}

.logo {
  max-width: 90%;
  height: auto;
  transition: transform 0.3s ease;
}

.logo:hover {
  transform: scale(1.05);
}

.footer {
  width: 100%;
  background-color: #111; /* tom mais elegante */
  color: #ddd;
  text-align: center;
  padding: 1.5rem 1rem;
  transition: transform 0.6s ease, opacity 0.6s ease;
  transform: translateY(100%);
  opacity: 0;
  position: fixed;
  bottom: 0;
  left: 0;
  font-size: 0.9rem;
}

.footer.show {
  transform: translateY(0);
  opacity: 1;
}

.footer-content {
  max-width: 900px;
  margin: 0 auto;
}

.footer a {
  color: #00b4d8;
  text-decoration: none;
  transition: color 0.3s ease;
}

.footer a:hover {
  color: #90e0ef;
}

.social-links {
  margin-bottom: 1rem;
  display: flex;
  justify-content: center;
  gap: 20px;
}

.social-links a {
  background: #222;
  border-radius: 50%;
  padding: 10px;
  font-size: 1.2rem;
  color: #00b4d8;
  transition: background 0.3s ease, transform 0.3s ease;
}

.social-links a:hover {
  background: #00b4d8;
  color: #fff;
  transform: scale(1.1);
}