/* Fondo de la página */
body {
    min-height: 100vh;
    margin: 0;
    font-family: 'Segoe UI', sans-serif;
    background: linear-gradient(
        135deg,
        #0f172a,
        #1e3a8a,
        #06b6d4
    );
    
}

/* Formulario Glassmorphism */
form {
    width: 420px;
    padding: 2rem;
    border-radius: 20px;
    
    width: 420px;

    margin: 40px auto;

    background: rgba(255, 255, 255, 0.12);
    backdrop-filter: blur(15px);
    -webkit-backdrop-filter: blur(15px);

    border: 1px solid rgba(255, 255, 255, 0.25);

    box-shadow:
        0 8px 32px rgba(0, 0, 0, 0.25),
        inset 0 1px 1px rgba(255, 255, 255, 0.2);
}

/* Título */
h2 {
    color: #fff;
    text-align: center;
    margin-bottom: 25px;
}

/* Etiquetas */
label {
    display: block;
    margin-top: 15px;
    margin-bottom: 6px;
    color: #fff;
    font-weight: 600;
    letter-spacing: 0.5px;
}

/* Campos */
input,
textarea {
    width: 100%;
    box-sizing: border-box;
    padding: 12px;

    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.20);

    border-radius: 12px;
    color: white;
    font-size: 15px;

    transition: all 0.3s ease;
}

/* Placeholder */
input::placeholder,
textarea::placeholder {
    color: rgba(255, 255, 255, 0.6);
}

/* Focus */
input:focus,
textarea:focus {
    outline: none;

    border-color: rgba(255, 255, 255, 0.6);

    background: rgba(255, 255, 255, 0.15);

    box-shadow:
        0 0 0 4px rgba(255, 255, 255, 0.08),
        0 0 15px rgba(255, 255, 255, 0.2);
}

/* TextArea */
textarea {
    min-height: 140px;
    resize: vertical;
}

/* Botón */
#submit {
    width: 100%;
    padding: 14px;
    margin-top: 20px;

    border: none;
    border-radius: 12px;

    background: rgba(255, 255, 255, 0.2);
    color: white;

    font-size: 16px;
    font-weight: 700;

    cursor: pointer;

    backdrop-filter: blur(10px);

    transition: all 0.3s ease;
}

/* Hover botón */
#submit:hover {
    background: rgba(255, 255, 255, 0.3);

    transform: translateY(-2px);

    box-shadow:
        0 8px 25px rgba(255, 255, 255, 0.15);
}

/* Responsive */
@media (max-width: 500px) {
    form {
        width: 90%;
        padding: 1.5rem;
    }
}