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

body {
  font-family: "Segoe UI", Roboto, Arial, sans-serif;
  background-color: #a3d5ff;
  color: #222;
  line-height: 1.5;
}


header.encabezado-1 {
  background-color: #66b3ff;
  color: white;
  padding: 15px 20px;
  text-align: center;
}

header .titulo-1 {
  font-size: 40px;
  margin-bottom: 10px;
  font-family: 'Times New Roman', Arial, sans-serif;
}

.menu-1.navbar-default {
  background-color: transparent;
  border: none;
  box-shadow: none;
  margin: 0;
  padding: 0;
}

.menu-1 ul.nav {
  list-style: none;
  display: flex;
  justify-content: center;
  gap: 20px;
  padding-left: 0;
  margin: 0;
}

.menu-1 ul.nav li a {
  color: white;
  text-decoration: none;
  font-weight: bold;
  padding: 10px 15px;
  border-radius: 0;
  transition: background 0.3s ease;
}

.menu-1 ul.nav li a:hover {
  background-color: rgba(255, 255, 255, 0.2);
  color: white;
}


main {
  padding: 20px;
  max-width: 900px;
  margin: 0 auto;
}

.bloque {
  background-color: #fff;
  padding: 20px;
  margin-bottom: 20px;
  border-radius: 12px;
  box-shadow: 0 6px 15px rgba(0,0,0,0.1);
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.bloque h3 {
  color: #0073e6;
  margin-bottom: 10px;
}


input[type="text"],
input[type="email"],
input[type="tel"],
input[type="number"],
input[type="date"],
select {
  padding: 10px;
  border-radius: 8px;
  border: 1px solid #ccc;
  font-size: 16px;
  width: 100%;
}


button[type="submit"] {
  background-color: #0073e6;
  color: white;
  padding: 12px;
  font-size: 16px;
  border: none;
  border-radius: 8px;
  cursor: pointer;
  transition: transform 0.2s ease;
}

button[type="submit"]:hover {
  transform: scale(1.05);
}


.seccion-oculta {
  display: none;
}





@media (max-width: 768px) {
  header nav ul {
    flex-direction: column;
    gap: 10px;
  }
}

.pie-9 {
  background-color: #3399ff;
  color: white;
  text-align: center;
  padding: 20px;
  font-size: 14px;
  margin-top: 40px;
  border-radius: 0 0 12px 12px;
}