/* Fuente y colores base */
body {
  font-family: 'Poppins', 'Segoe UI', Roboto, Arial, sans-serif;
  margin: 0;
  line-height: 1.7;
  background: #111; /* fondo oscuro rebelde */
  color: #eee;
}

/* Encabezado */
header {
  background: linear-gradient(135deg, #ff00cc, #3333ff);
  color: white;
  text-align: center;
  padding: 3rem 2rem;
  border-bottom-left-radius: 50px;
  border-bottom-right-radius: 50px;
  box-shadow: 0 6px 20px rgba(0,0,0,0.5);
}

header h1 {
  font-size: 3rem;
  margin-bottom: 0.5rem;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: #ffff33; /* amarillo fosforescente */
  text-shadow: 0 0 10px #ffff33, 0 0 20px #ff00cc;
}

header p {
  font-size: 1.3rem;
  margin-bottom: 1.5rem;
  font-style: italic;
}

header .btn {
  background: #00ff99;
  color: #111;
  padding: 12px 30px;
  text-decoration: none;
  border-radius: 30px;
  font-weight: bold;
  transition: all 0.3s ease;
}

header .btn:hover {
  background: #00cc77;
  transform: scale(1.1) rotate(-2deg);
}

/* Secciones */
section {
  padding: 2.5rem;
  background: #1a1a1a;
  margin: 2rem auto;
  max-width: 900px;
  border-radius: 15px;
  box-shadow: 0 0 20px rgba(255,255,51,0.6); /* sombra amarilla fosforescente */
}

h2 {
  color: #ffff33; /* amarillo fosforescente */
  margin-bottom: 1rem;
  border-left: 6px solid #00ff99;
  padding-left: 10px;
  text-transform: uppercase;
  text-shadow: 0 0 8px #ffff33, 0 0 15px #ff00cc;
}

/* Listas */
ul {
  list-style: none;
  padding: 0;
}

ul li {
  margin: 0.7rem 0;
  padding-left: 1.5rem;
  position: relative;
}

ul li::before {
  content: "★";
  color: #00ff99;
  position: absolute;
  left: 0;
}

/* Formularios */
form {
  display: flex;
  flex-direction: column;
}

form label {
  margin-top: 10px;
  font-weight: bold;
  color: #ffff33; /* amarillo fosforescente */
  text-shadow: 0 0 6px #ff00cc;
}

form input, form button {
  margin: 10px 0;
  padding: 12px;
  border-radius: 8px;
  border: 1px solid #555;
  font-size: 1rem;
  background: #222;
  color: #eee;
}

form input:focus {
  border-color: #00ff99;
  outline: none;
  box-shadow: 0 0 8px rgba(0,255,153,0.6);
}

form button {
  background: #ff00cc;
  color: white;
  border: none;
  font-weight: bold;
  cursor: pointer;
  transition: all 0.3s ease;
}

form button:hover {
  background: #cc0099;
  transform: translateY(-2px) scale(1.05);
}

/* Footer */
footer {
  background: #000;
  color: #eee;
  text-align: center;
  padding: 1.5rem;
  margin-top: 3rem;
  border-top: 4px solid #00ff99;
}

footer h2 {
  color: #ffff33; /* amarillo fosforescente */
  margin-bottom: 0.5rem;
  text-shadow: 0 0 8px #ff00cc;
}