/* Reset y tipografía amigable */
body {
  margin: 0;
  padding: 0;
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  background: linear-gradient(135deg, #a8edea 0%, #fed6e3 100%);
  color: #333;
}

/* Header llamativo */
header {
  background-color: #ff6f61;
  color: white;
  padding: 1.8rem 2rem;
  text-align: center;
  font-weight: 700;
  font-size: 2rem;
  text-shadow: 1px 1px 3px rgba(0,0,0,0.2);
}

/* Navegación amigable */
nav ul {
  list-style: none;
  display: flex;
  justify-content: center;
  gap: 1.5rem;
  padding: 0;
  margin: 1rem 0 2rem;
}

nav a {
  color: white;
  text-decoration: none;
  background-color: #ff9472;
  padding: 0.6rem 1rem;
  border-radius: 20px;
  font-weight: 600;
  transition: background-color 0.3s ease, box-shadow 0.3s ease;
  box-shadow: 0 3px 6px rgba(0,0,0,0.1);
}

nav a:hover {
  background-color: #ff4c3b;
  box-shadow: 0 6px 12px rgba(0,0,0,0.2);
}

/* Contenido principal */
.contenido {
  max-width: 900px;
  margin: 0 auto;
  background-color: white;
  padding: 2rem 2.5rem;
  border-radius: 12px;
  box-shadow: 0 8px 20px rgba(255,111,97,0.25);
  font-size: 1.15rem;
  line-height: 1.6;
}

/* Footer alegre */
footer {
  background-color: #ff6f61;
  color: white;
  text-align: center;
  padding: 1rem 0;
  margin-top: 3rem;
  font-size: 1rem;
}

/* Botones divertidos */
button {
  background-color: #ff9472;
  border: none;
  padding: 0.6rem 1.2rem;
  border-radius: 25px;
  font-weight: 700;
  color: white;
  cursor: pointer;
  font-size: 1rem;
  box-shadow: 0 4px 8px rgba(255,148,114,0.5);
  transition: background-color 0.3s ease, box-shadow 0.3s ease;
}

button:hover {
  background-color: #ff4c3b;
  box-shadow: 0 8px 16px rgba(255,76,59,0.7);
}