/* Estilo tarjeta de presentación */
body {
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  margin: 0;
  padding: 0;
  background: linear-gradient(135deg, #4facfe, #00f2fe);
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 100vh;
  flex-direction: column;
}

.card {
  background: #fff;
  border-radius: 15px;
  padding: 30px;
  text-align: center;
  width: 350px;
  box-shadow: 0 8px 20px rgba(0,0,0,0.2);
}

.profile-pic {
  width: 120px;
  height: 120px;
  border-radius: 50%;
  margin-bottom: 15px;
  border: 3px solid #00aaff;
}

.subtitle {
  font-size: 1.1em;
  color: #555;
  margin-bottom: 20px;
}

p {
  color: #444;
}

.buttons {
  margin-top: 20px;
}

.btn {
  display: inline-block;
  margin: 5px;
  padding: 10px 20px;
  background: #00aaff;
  color: white;
  text-decoration: none;
  border-radius: 8px;
  transition: background 0.3s;
}

.btn:hover {
  background: #0088cc;
}

footer {
  margin-top: 20px;
  font-size: 0.8em;
  color: white;
}