/* Input focus glow */
.form-control:focus {
    box-shadow: 0 0 8px rgba(99,102,241,0.5);
    border-color: #6366f1;
}

/* Botón hover */
.btn-hover-glow:hover {
    box-shadow: 0 0 20px rgba(99,102,241,0.5);
    transform: translateY(-2px);
}

/* Ajustes hero responsive */
@media (max-width: 768px) {
    .site-contact h1.display-4 {
        font-size: 2.2rem;
    }
    .site-contact p.lead {
        font-size: 1rem;
    }
}


/* Container del formulario */
.site-contact .card {
    border-radius: 1rem;        /* bordes más redondeados */
    box-shadow: 0 8px 25px rgba(0,0,0,0.08); /* sombra sutil */
    overflow: hidden;            /* evita que algo sobresalga */
}

/* Card body */
.site-contact .card-body {
    padding: 3rem 2rem;          /* más espacio interno */
    background: #ffffff;         /* fondo blanco limpio */
}

/* Inputs y textarea */
.site-contact .form-control {
    border-radius: 50px;         /* inputs redondeados tipo GTPro */
    border: 1px solid #d1d5db;  /* borde gris claro */
    padding: 0.75rem 1.25rem;
    transition: all 0.3s ease;
}

.site-contact .form-control:focus {
    border-color: #3b82f6;       /* azul GTPro al enfocar */
    box-shadow: 0 0 8px rgba(59,130,246,0.3);
}

/* Botón enviar */
.site-contact .btn-primary {
    border-radius: 50px;         /* redondeo total */
    padding: 0.75rem 2rem;
    font-weight: 600;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(59,130,246,0.2);
}

.site-contact .btn-primary:hover {
    background: #6366f1;         /* degradado suave al pasar */
    box-shadow: 0 6px 20px rgba(99,102,241,0.3);
}

/* Mensaje de éxito */
#success-alert {
    border-radius: 1rem;
    box-shadow: 0 4px 20px rgba(0,0,0,0.1);
}