body {
  font-family: "Segoe UI", Tahoma, sans-serif;
  margin: 0;
  background-color: #f5f7fa;
  color: #333;
  line-height: 1.6;
}

header {
  background: #1f3b73;
  color: #fff;
  padding: 2rem;
  text-align: center;
}

header p {
  max-width: 900px;
  margin: 1rem auto;
  text-align: justify;
}

.introducao {
  text-align: center;
  margin: 2rem 0;
}

.colunas {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 1.5rem;
  margin: 2rem auto;
  max-width: 1200px;
}

.coluna {
  background: white;
  padding: 1rem 1.5rem;
  border-radius: 12px;
  box-shadow: 0 4px 10px rgba(0,0,0,0.08);
  min-width: 260px;
  flex: 1;
  transition: transform 0.2s;
}

.coluna:hover {
  transform: translateY(-5px);
}

.coluna h2 {
  text-align: center;
  color: #1f3b73;
}

.coluna ol li {
  margin: 0.4rem 0;
  cursor: pointer;
  transition: color 0.2s;
}

.coluna ol li:hover {
  color: #1f3b73;
  font-weight: bold;
}

/* .ver-mais {
  text-align: center;
  margin: 2rem 0;
}

.ver-mais button {
  background: #1f3b73;
  color: white;
  border: none;
  padding: 0.8rem 1.5rem;
  border-radius: 8px;
  cursor: pointer;
  font-weight: bold;
  transition: background 0.3s;
}

.ver-mais button:hover {
  background: #2a4a91;
} */

/* --- POPUP --- */
.popup {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.5);
  backdrop-filter: blur(3px);
  justify-content: center;
  align-items: center;
  z-index: 999;
  animation: fadeIn 0.3s ease-in;
}

.popup-content {
  background: #fff;
  border-radius: 12px;
  padding: 2rem;
  max-width: 420px;
  width: 90%;
  box-shadow: 0 8px 20px rgba(0,0,0,0.25);
  text-align: center;
  position: relative;
  animation: slideUp 0.4s ease;
}

.popup-content a {
  color: #1f3b73;
  font-weight: bold;
  text-decoration: none;
}

.popup-content a:hover {
  text-decoration: underline;
}

.close {
  position: absolute;
  top: 10px;
  right: 14px;
  font-size: 1.6rem;
  cursor: pointer;
  color: #333;
  transition: color 0.2s;
}

.close:hover {
  color: #1f3b73;
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes slideUp {
  from { transform: translateY(20px); opacity: 0; }
  to { transform: translateY(0); opacity: 1; }
}