/* ========================================= */
/* 8. FOOTER                                 */
/* ========================================= */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

.site-footer {
    padding: 40px 20px 24px;
    background: var(--color-surface);
    border-top: 1px solid var(--color-border-soft);
}

/* FOOTER EN PC: grilla fina de fondo, distinta por tema (oscuro:
   reticula-tinta sobre casi-negro; claro: reticula-blanco sobre
   blanco puro) y letras en rojo intenso en los dos modos. Va antes
   que las reglas de cada link para que su :hover siga ganando. */
@media (min-width: 768px) {
    [data-theme="dark"] .site-footer {
        background-color: #201e1d;
        background-image: url('/assets/img/reticula-tinta.svg');
        background-size: 48px 48px;
        background-repeat: repeat;
    }

    [data-theme="light"] .site-footer {
        background-color: #ffffff;
        background-image: url('/assets/img/reticula-blanco.svg');
        background-size: 48px 48px;
        background-repeat: repeat;
    }

    .site-footer .footer-logo span,
    .site-footer .footer-tagline,
    .site-footer .footer-location,
    .site-footer .footer-availability,
    .site-footer .footer-accordion-trigger,
    .site-footer .footer-accordion-chevron,
    .site-footer .footer-accordion-panel a,
    .site-footer .footer-plain,
    .site-footer .footer-process-list li,
    .site-footer .footer-process-pinned a,
    .site-footer .footer-copy,
    .site-footer .footer-legal a,
    .site-footer .footer-social a,
    .site-footer .footer-top {
        color: var(--color-accent-text);
    }
}

.site-footer .container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0;
}

.footer-main {
    display: grid;
    grid-template-columns: 1fr;
    gap: 32px;
}

.footer-col { min-width: 0; }

.footer-logo {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 14px;
    text-decoration: none; /* Asegura que no haya subrayado en el logo */
}

.footer-logo img {
    width: 38px;
    height: 38px;
    border-radius: 10px;
    flex-shrink: 0;
}

.footer-logo span {
    font-family: 'Copperplate', 'Copperplate Gothic Light', 'Copperplate Gothic Bold', serif;
    font-size: 1.02rem;
    font-weight: 700;
    color: var(--color-text);
}

.footer-tagline {
    color: var(--color-text-muted);
    font-size: 0.82rem;
    margin-bottom: 10px;
    max-width: 32ch;
}

.footer-location {
    color: var(--color-text-muted);
    font-size: 0.72rem;
    margin-bottom: 14px;
    max-width: 32ch;
}

.footer-availability {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-family: 'Space Mono', 'Courier New', monospace;
    font-size: 0.72rem;
    color: var(--color-text-muted);
}

.footer-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--color-accent);
    box-shadow: 0 0 8px var(--color-accent);
    flex-shrink: 0;
    animation: footer-pulse 1.8s ease-in-out infinite;
}

@keyframes footer-pulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.5; transform: scale(1.3); }
}

.footer-accordion-trigger {
    display: flex;
    width: 100%;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
    background: transparent;
    border: none;
    color: var(--color-text);
    font-family: 'Copperplate', 'Copperplate Gothic Light', 'Copperplate Gothic Bold', serif;
    font-size: 1.02rem;
    font-weight: 700;
    min-height: 44px;
    cursor: pointer;
    text-align: left;
    padding: 0; /* Resetea padding por defecto de botones */
}

.footer-accordion-chevron {
    width: 18px;
    height: 18px;
    color: var(--color-text-muted);
    flex-shrink: 0;
    transition: transform 0.3s ease;
}

.footer-accordion-trigger[aria-expanded="true"] .footer-accordion-chevron {
    transform: rotate(180deg);
}

.footer-accordion-panel {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 12px;
    padding: 10px 0 0 0; /* Reseteo de padding para ul */
    margin: 0;
}

/* Cerrado también queda invisible para Tab y lectores de pantalla
   (visibility se cambia recién al terminar de cerrarse) */
.js-footer-enhanced .footer-accordion-panel {
    max-height: 0;
    overflow: hidden;
    padding-top: 0;
    visibility: hidden;
    transition: max-height 0.35s ease, padding-top 0.35s ease, visibility 0s linear 0.35s;
}

.js-footer-enhanced .footer-accordion-panel.expanded {
    max-height: 600px;
    padding-top: 10px;
    visibility: visible;
    transition-delay: 0s;
}

.footer-accordion-panel a,
.footer-plain {
    color: var(--color-text-muted);
    font-size: 0.82rem;
    display: inline-block;
    min-height: 24px;
    text-decoration: none; /* Asegura que los enlaces no tengan subrayado por defecto */
}

.footer-accordion-panel a:hover {
    color: var(--color-accent);
}

.footer-strip {
    display: flex;
    flex-direction: column;
    gap: 28px;
    padding: 28px 0;
    margin-top: 32px;
    border-top: 1px solid var(--color-border-soft);
    border-bottom: 1px solid var(--color-border-soft);
}

.footer-process-list {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
    padding: 0;
    margin: 0;
}

.footer-process-list li {
    font-family: 'Space Mono', 'Courier New', monospace;
    font-size: 0.72rem;
    color: var(--color-text-muted);
    letter-spacing: 0.04em;
    text-transform: uppercase;
    list-style: none;
}

.footer-process-list li:not(:last-child)::after {
    content: '↓';
    display: block;
    text-align: center;
    margin-top: 10px;
    color: var(--color-border-soft);
}

.footer-process-pinned a {
    color: var(--color-accent-text);
    font-weight: 700;
}

.footer-process-pinned a:hover {
    color: var(--color-text);
    box-shadow: var(--color-accent) 2px 2px 8px 2px;

}

.footer-bottom {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 20px; /* Incrementado un poco el gap para mejor respiro */
    padding-top: 40px;
    text-align: center;
}

.footer-copy {
    font-family: 'Space Mono', 'Courier New', monospace;
    font-size: 0.72rem;
    color: var(--color-text-muted);
    margin: 0; /* Reseteo de margen */
}

.footer-legal {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 18px;
}

.footer-legal a {
    font-size: 0.72rem;
    color: var(--color-text-muted);
    text-decoration: none;
}

.footer-legal a:hover {
    color: var(--color-accent);
}

/* ========================================================== */
/* SECCIÓN DE REDES SOCIALES (.footer-social)                 */
/* ========================================================== */
.footer-social {
    display: flex;
    gap: 16px; /* Asegura la separación */
    align-items: center;
    justify-content: center;
    flex-wrap: wrap; /* Para que en móviles muy pequeños no se aplasten */
}

.footer-social a {
    width: 40px;
    height: 40px;
    border-radius: 10px;
    background: var(--color-surface-2);
    border: 1px solid var(--color-border-soft);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-text-muted);
    flex-shrink: 0; /* EVITA EL APLASTAMIENTO */
    text-decoration: none;
    box-sizing: border-box;
}

.footer-social a:hover {
    color: var(--color-accent);
    border-color: var(--color-accent);
}

.footer-social svg {
    width: 18px;
    height: 18px;
    display: block;
}

/* Redes: cuadradito oscuro en modo oscuro, blanco en modo claro */
[data-theme="dark"] .footer-social a { background: #171615; color: var(--color-text); }
[data-theme="light"] .footer-social a { background: #ffffff; color: var(--color-text); }

.footer-top {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    min-height: 40px;
    font-family: 'Space Mono', 'Courier New', monospace;
    font-size: 0.72rem;
    color: var(--color-text-muted);
    border: 1px solid var(--color-border-soft);
    border-radius: 30px;
    padding: 8px 18px;
    text-decoration: none;
    white-space: nowrap;
    flex-shrink: 0; 
    box-sizing: border-box;
}

.footer-top:hover {
    color: var(--color-accent);
    border-color: var(--color-accent);
}

@media (min-width: 768px) {
    .site-footer { padding: 50px 5% 30px; }

    .footer-main {
        grid-template-columns: repeat(2, 1fr);
        gap: 40px 32px;
    }

    .footer-accordion-trigger {
        cursor: default;
        min-height: auto;
        padding-bottom: 14px;
        margin-bottom: 14px;
        border-bottom: 1px solid var(--color-border-soft);
        font-size: 0.92rem;
    }

    .footer-accordion-chevron { display: none; }

    .js-footer-enhanced .footer-accordion-panel,
    .js-footer-enhanced .footer-accordion-panel.expanded {
        max-height: none;
        overflow: visible;
        padding-top: 0;
        visibility: visible;
    }

    .footer-strip {
        flex-direction: row;
        align-items: center;
        justify-content: space-between;
        flex-wrap: wrap; 
        gap: 24px;
    }

    .footer-process-list {
        flex-direction: row;
        flex-wrap: wrap;
        gap: 0;
    }

    .footer-process-list li { margin: 0 14px; }

    .footer-process-list li:not(:last-child)::after {
        content: '→';
        display: inline-block;
        margin: 0 0 0 14px;
    }

    .footer-bottom {
        flex-direction: row;
        justify-content: space-between; /* El copyright, legal y redes se reparten el espacio */
        align-items: center;
        text-align: left;
        flex-wrap: wrap;
        gap: 24px;
    }
}

@media (min-width: 1024px) {
    .footer-main {
        grid-template-columns: 1.3fr 1fr 1fr 1fr;
        gap: 40px;
    }

    /* Pequeño ajuste adicional para la tira inferior en pantallas muy grandes,
       asegura que los iconos de tecnología y la lista de proceso no se peleen por espacio */
    .footer-strip {
        flex-wrap: nowrap;
    }
}

/* ========================================================== */
/* FOOTER EN PC: hover que agranda el link (los colores y el   */
/* fondo con textura están arriba, cerca de .site-footer, para */
/* que el :hover de cada link siga ganando por orden).          */
/* ========================================================== */
@media (min-width: 768px) {
    .site-footer .footer-legal a,
    .site-footer .footer-process-pinned a {
        display: inline-block;
    }

    .site-footer .footer-accordion-panel a,
    .site-footer .footer-legal a,
    .site-footer .footer-process-pinned a,
    .site-footer .footer-social a,
    .site-footer .footer-top {
        transition: transform 0.2s ease, color 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
    }

    .site-footer .footer-accordion-panel a:hover,
    .site-footer .footer-legal a:hover,
    .site-footer .footer-process-pinned a:hover {
        transform: scale(1.08);
    }

    .site-footer .footer-social a:hover,
    .site-footer .footer-top:hover {
        transform: scale(1.1);
    }
}