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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: #f5f5f5;
    color: #333;
    line-height: 1.6;
}

.container {
    max-width: 1000px;
    margin: 0 auto;
    padding: 2rem;
}

.header {
    text-align: center;
    margin-bottom: 2rem;
}

.header h1 {
    font-size: 2.5rem;
    color: #2c3e50;
    margin-bottom: 0.5rem;
}

.header p {
    color: #666;
    font-size: 1.1rem;
}

.email-info {
    color: #3498db;
    margin-top: 0.5rem;
    font-weight: 500;
}

.card {
    background: white;
    border-radius: 10px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    padding: 2rem;
}

.form-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
    margin-bottom: 1.5rem;
}

.form-group {
    margin-bottom: 1.5rem;
}

label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
    color: #2c3e50;
}

input,
select,
textarea {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid #ddd;
    border-radius: 5px;
    font-size: 1rem;
    transition: border-color 0.3s ease;
}

input:focus,
select:focus,
textarea:focus {
    outline: none;
    border-color: #3498db;
}

textarea {
    height: 150px;
    resize: vertical;
}

button {
    width: 100%;
    padding: 1rem;
    background-color: #25D366; /* Color de WhatsApp */
    color: white;
    border: none;
    border-radius: 5px;
    font-size: 1.1rem;
    cursor: pointer;
    transition: background-color 0.3s ease;
}

button:hover {
    background-color: #128C7E; /* Color más oscuro de WhatsApp */
}

button:disabled {
    background-color: #95a5a6;
    cursor: not-allowed;
}

.alert {
    padding: 1rem;
    border-radius: 5px;
    margin-bottom: 1rem;
}

.error {
    background-color: #fee2e2;
    border: 1px solid #ef4444;
    color: #b91c1c;
}

.success {
    background-color: #dcfce7;
    border: 1px solid #22c55e;
    color: #15803d;
}

/* Responsive Design */
@media (max-width: 768px) {
    .container {
        padding: 1rem;
    }

    .form-grid {
        grid-template-columns: 1fr;
    }

    .header h1 {
        font-size: 2rem;
    }
}

/* ... (todos los estilos anteriores se mantienen igual) ... */

/* Estilo para el botón de enviar (actualizado para dar espacio al nuevo botón) */
button {
    width: 100%;
    padding: 1rem;
    background-color: #25D366; /* Color de WhatsApp */
    color: white;
    border: none;
    border-radius: 5px;
    font-size: 1.1rem;
    cursor: pointer;
    transition: background-color 0.3s ease;
    margin-bottom: 1rem; /* Agregado para dar espacio entre botones */
}

/* Estilo para el botón de volver */
.button-back {
    display: block;
    width: 100%;
    padding: 1rem;
    background-color: #3498db; /* Color azul */
    color: white;
    border: none;
    border-radius: 5px;
    font-size: 1.1rem;
    cursor: pointer;
    transition: background-color 0.3s ease;
    text-align: center;
    text-decoration: none;
}

.button-back:hover {
    background-color: #2980b9; /* Color azul más oscuro al pasar el mouse */
}

/* ... (resto de los estilos se mantienen igual) ... */