body {
    background: url('../img/background.jpg') repeat-x center center fixed;
    background-size: auto 100vh; /* Alto igual al viewport, ancho automático */
    color: #fff;
    font-family: 'Bebas Neue', 'Oswald', Impact, Arial, sans-serif;
    margin: 0;
    padding: 0;
}

.container {
    max-width: 400px;
    margin: 40px auto;
    background: rgba(35, 43, 58, 0.92); /* Fondo semitransparente para destacar el cuadro */
    padding: 30px 25px;
    border-radius: 12px;
    box-shadow: 0 4px 24px rgba(0,0,0,0.3);
    text-align: center;
}

h1 {
    margin-top: 0;
    font-size: 2.2em;
    color: #E53935;
}
.subtitulo {
    font-size: 1.1em;
    margin-bottom: 20px;
    color: #fff;
}
#cuenta-atras .contador {
    font-size: 1.5em;
    margin: 15px 0;
    letter-spacing: 2px;
}
.registro-form input {
    width: 90%;
    padding: 10px;
    margin: 8px 0;
    border: none;
    border-radius: 6px;
    font-size: 1em;
}
.registro-form button, .boton-pago {
    background: #E53935;
    color: #fff;
    border: none;
    border-radius: 6px;
    padding: 12px 25px;
    font-size: 1.1em;
    margin-top: 10px;
    cursor: pointer;
    transition: background 0.2s;
    font-family: 'Bebas Neue', 'Oswald', Impact, Arial, sans-serif;
}
.registro-form button:hover, .boton-pago:hover {
    background: #B71C1C;
}

.codigo-form {
    margin-top: 20px;
}

.codigo-form input[type="text"] {
    width: 90%;
    padding: 12px;
    font-size: 1.1em;
    border: 2px solid #E53935;
    border-radius: 6px;
    background: rgba(255, 255, 255, 0.1);
    color: #fff;
    text-align: center;
    letter-spacing: 2px;
    outline: none;
    transition: border-color 0.2s, background 0.2s;
}

.codigo-form input[type="text"]::placeholder {
    color: #ddd;
    letter-spacing: 1px;
}

.codigo-form input[type="text"]:focus {
    border-color: #fff;
    background: rgba(255, 255, 255, 0.2);
}

.codigo-form button {
    background: #E53935;
    color: #fff;
    border: none;
    border-radius: 6px;
    padding: 12px 25px;
    font-size: 1.1em;
    margin-top: 12px;
    cursor: pointer;
    transition: background 0.2s;
    font-family: 'Bebas Neue', 'Oswald', Impact, Arial, sans-serif;
}

.codigo-form button:hover {
    background: #B71C1C;
}