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

body {
    background-color: #0a0a0a;
    color: #fff;
    font-family: 'Roboto', sans-serif;
    min-height: 100vh;
    overflow-x: hidden;
}

/* Imagen de fondo fija */
.background-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    /* Reemplaza esta URL con tu imagen de banda o textura de metal */
    background: linear-gradient(rgba(0,0,0,0.7), rgba(0,0,0,0.9)), 
                url('https://images.unsplash.com/photo-1511735111819-9a3f7709049c?q=80&w=1600');
    background-size: cover;
    background-position: center;
    z-index: -1;
}

.container {
    max-width: 900px;
    margin: 0 auto;
    padding: 50px 20px;
    text-align: center;
}

/* Tipografía Metal */
.band-name {
    font-family: 'Metal Mania', cursive;
    font-size: 5rem;
    color: #cc0000;
    text-shadow: 3px 3px 10px rgba(0,0,0,0.8), 0 0 20px rgba(204, 0, 0, 0.5);
    letter-spacing: 5px;
    margin-bottom: 10px;
}

.subtitle {
    font-size: 1.2rem;
    letter-spacing: 4px;
    color: #aaa;
    margin-bottom: 40px;
}

/* Formulario */
.subscribe-form {
    margin-top: 30px;
    display: flex;
    justify-content: center;
    gap: 10px;
}

input[type="email"] {
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid #444;
    padding: 12px 20px;
    color: white;
    width: 300px;
}

button {
    background: #cc0000;
    color: white;
    border: none;
    padding: 12px 25px;
    font-weight: bold;
    cursor: pointer;
    transition: 0.3s;
}

button:hover {
    background: #ff0000;
    box-shadow: 0 0 15px #cc0000;
}

/* Galería Pequeña */
.gallery {
    margin-top: 80px;
}

.gallery h3 {
    font-family: 'Metal Mania', cursive;
    font-size: 2rem;
    margin-bottom: 20px;
    color: #fff;
}

.grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 15px;
}

.item {
    overflow: hidden;
    border: 2px solid #333;
    aspect-ratio: 1 / 1;
}

.item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    filter: grayscale(100%) contrast(120%);
    transition: 0.5s;
}

.item img:hover {
    filter: grayscale(0%) contrast(100%);
    transform: scale(1.1);
}

/* Responsivo */
@media (max-width: 600px) {
    .band-name { font-size: 3rem; }
    .subscribe-form { flex-direction: column; align-items: center; }
    input[type="email"] { width: 100%; }
}

/*Formulario*/

.notification-card {
  max-width: 400px;
  margin: 50px auto;
  padding: 25px;
  background:#ff0000;
  border-radius: 12px;
  box-shadow: 0 4px 15px rgba(0,0,0,0.1);
  font-family: 'Segoe UI', sans-serif;
}

.input-group {
  margin-bottom: 15px;
}

.input-group label {
  display: block;
  margin-bottom: 5px;
  font-weight: 600;
}

.input-group input {
  width: 100%;
  padding: 10px;
  border: 1px solid #ddd;
  border-radius: 6px;
  box-sizing: border-box;
}

.checkbox-group label {
  display: block;
  margin: 10px 0;
  cursor: pointer;
}

.btn-submit {
  width: 100%;
  padding: 12px;
  background-color: #007bff;
  color: white;
  border: none;
  border-radius: 6px;
  cursor: pointer;
  font-size: 16px;
  transition: background 0.3s;
}

.btn-submit:hover {
  background-color: #0056b3;
}

.hidden { display: none; }
#responseMessage {
  margin-top: 15px;
  padding: 10px;
  text-align: center;
  border-radius: 4px;
  background: #d4edda;
  color: #155724;
}