/* ==========================================================
   Contacto
   ========================================================== */

.contacto {
    /* Fondo de los campos: gris muy suave derivado de la paleta */
    --contacto-input-bg: color-mix(in srgb, var(--color-gray-300) 35%, var(--color-white));

    padding-block: 5rem;
    background-color: var(--color-white);
}

/* Tarjeta */
.contacto__card {
    padding: 1.5rem 1.5rem 3.5rem;
    background-color: var(--color-white);
    border: 1px solid var(--color-gray-300);
    border-radius: var(--radius-md);
    box-shadow: 0 12px 32px rgba(29, 39, 51, 0.12);
}

/* Encabezado */
.contacto__header {
    margin-bottom: 2.5rem;
    text-align: center;
}

.contacto__icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 56px;
    height: 56px;
    margin-bottom: 1rem;
    font-size: 1.5rem;
    color: var(--color-white);
    background-color: var(--color-primary-pressed);
    border-radius: 50%;
}

.contacto__title {
    margin-bottom: 0.25rem;
    font-weight: 400;
    color: var(--color-dark-text);
}

.contacto__subtitle {
    margin: 0;
    font-weight: 400;
    color: var(--color-gray-700);
}

/* ==========================================================
   Formulario
   ========================================================== */
.contacto__form {
    max-width: 37.5rem;
    margin-inline: auto;
}

.contacto__field {
    margin-bottom: 1.25rem;
}

.contacto__label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 0.5rem;
    color: var(--color-dark-text);
}

.contacto__input {
    display: block;
    width: 100%;
    padding: 0.625rem 0.75rem;
    font: inherit;
    font-size: 0.875rem;
    line-height: 1.25rem;
    color: var(--color-dark-text);
    background-color: var(--contacto-input-bg);
    border: 1px solid transparent;
    border-radius: var(--radius-sm);
    appearance: none;
    transition: border-color 0.2s ease, box-shadow 0.2s ease, background-color 0.2s ease;
}

.contacto__input::placeholder {
    color: var(--color-gray-700);
    opacity: 0.75;
}

.contacto__input:focus {
    outline: none;
    background-color: var(--color-white);
    border-color: var(--color-primary-pressed);
    box-shadow: 0 0 0 3px color-mix(in srgb, var(--color-primary-pressed) 20%, transparent);
}

textarea.contacto__input {
    min-height: 5.5rem;
    resize: vertical;
}

/* Campo con error */
.contacto__input[aria-invalid="true"] {
    background-color: color-mix(in srgb, var(--color-error) 5%, var(--color-white));
    border-color: var(--color-error);
}

.contacto__input[aria-invalid="true"]:focus {
    box-shadow: 0 0 0 3px color-mix(in srgb, var(--color-error) 18%, transparent);
}

.contacto__error {
    margin: 0.375rem 0 0;
    font-size: 0.8125rem;
    line-height: 1.125rem;
    color: var(--color-error);
}

.contacto__error:empty {
    display: none;
}

/* Campo trampa para bots: invisible para las personas */
.contacto__trap {
    position: absolute;
    left: -9999px;
    width: 1px;
    height: 1px;
    overflow: hidden;
}

/* ==========================================================
   Botón enviar + spinner
   ========================================================== */
.contacto__submit {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    min-height: 44px;
    margin-top: 1.75rem;
    padding: 0.5rem 1rem;
    font: inherit;
    font-size: 1.25rem;
    font-weight: 500;
    line-height: 1.5rem;
    color: var(--color-white);
    background-color: var(--color-primary);
    border: 0;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: background-color 0.2s ease;
}

.contacto__submit:hover {
    background-color: var(--color-primary-hover);
}

.contacto__submit:active {
    background-color: var(--color-primary-pressed);
}

.contacto__submit:focus-visible {
    outline: 2px solid var(--color-primary-pressed);
    outline-offset: 2px;
}

.contacto__submit:disabled {
    cursor: wait;
}

.contacto__submit-content {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
}

.contacto__submit-content .bi {
    font-size: 1rem;
}

.contacto__spinner {
    position: absolute;
    width: 22px;
    height: 22px;
    border: 2.5px solid rgba(255, 255, 255, 0.35);
    border-top-color: var(--color-white);
    border-radius: 50%;
    opacity: 0;
    animation: contacto-spin 0.8s linear infinite;
}

.contacto__submit.is-loading .contacto__submit-content {
    visibility: hidden;
}

.contacto__submit.is-loading .contacto__spinner {
    opacity: 1;
}

@keyframes contacto-spin {
    to {
        transform: rotate(360deg);
    }
}

/* ==========================================================
   Mobile
   ========================================================== */
@media (max-width: 575.98px) {

    .contacto {
        padding-block: 3rem;
    }

    .contacto__card {
        padding: 1.5rem 1rem 2rem;
    }

    .contacto__header {
        margin-bottom: 2rem;
    }

    .contacto__subtitle {
        font-size: 1.125rem;
        line-height: 1.5rem;
    }

    /* 16px evita que el iPhone haga zoom al tocar un campo */
    .contacto__input {
        font-size: 1rem;
    }

    .contacto__submit {
        font-size: 1.125rem;
    }
}

@media (prefers-reduced-motion: reduce) {

    .contacto__input,
    .contacto__submit {
        transition: none;
    }

    /* El spinner sigue girando (indica que se está enviando), pero más lento */
    .contacto__spinner {
        animation-duration: 1.6s;
    }
}