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

body {
  font-family: Arial, sans-serif;
  line-height: 1.6;
  color: #333;
}

/* Header */
header {
  background: #2c3e50;
  color: #fff;
  padding: 1rem;
  text-align: center;
}

header h1 {
  margin-bottom: 0.5rem;
}

nav a {
  color: #fff;
  margin: 0 10px;
  text-decoration: none;
}

nav a:hover {
  text-decoration: underline;
}

/* Secciones */
section {
  padding: 2rem;
  max-width: 800px;
  margin: auto;
}

section h2 {
  margin-bottom: 1rem;
  color: #2c3e50;
}

/* Formulario */
form {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

input, textarea {
  padding: 0.8rem;
  border: 1px solid #ccc;
  border-radius: 5px;
}

button {
  background: #27ae60;
  color: white;
  border: none;
  padding: 0.8rem;
  cursor: pointer;
  border-radius: 5px;
}

button:hover {
  background: #219150;
}

/* Footer */
footer {
  background: #2c3e50;
  color: #fff;
  text-align: center;
  padding: 1rem;
  margin-top: 2rem;
}