/*
 * FILE: assets/css/layouts/layout.css
 * PURPOSE: Estructura del layout base (header, navbar, main, footer)
 */

/* ============================================================
   LAYOUT BODY
   ============================================================ */
.layout-body {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

.layout-main {
    flex: 1;
}

/* ============================================================
   SITE FOOTER
   ============================================================ */
.site-footer {
    background-color: #001a0f;
    color: var(--color-neutral-400);
    margin-top: auto;
}

.site-footer__main {
    padding-block: var(--space-16);
}

.site-footer__grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: var(--space-10);
}

.site-footer__logo {
    width: 56px;
    height: 56px;
    object-fit: contain;
    margin-bottom: var(--space-4);
    filter: brightness(0) invert(1);
    opacity: 0.8;
}

.site-footer__institution {
    font-size: var(--text-xl);
    font-weight: var(--font-weight-bold);
    color: var(--color-neutral-0);
    margin-bottom: var(--space-1);
}

.site-footer__tagline {
    font-size: var(--text-sm);
    color: var(--color-neutral-400);
    margin-bottom: var(--space-6);
}

.site-footer__address {
    font-style: normal;
    font-size: var(--text-sm);
    line-height: var(--line-height-loose);
    color: var(--color-neutral-400);
}

.site-footer__contact-link {
    color: #6dba7e;
    text-decoration: none;
    transition: color var(--transition-fast);
}
.site-footer__contact-link:hover {
    color: var(--color-neutral-0);
}

.site-footer__heading {
    font-size: var(--text-sm);
    font-weight: var(--font-weight-semibold);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-neutral-0);
    margin-bottom: var(--space-5);
}

.site-footer__nav-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
    list-style: none;
}

.site-footer__nav-link {
    font-size: var(--text-sm);
    color: var(--color-neutral-400);
    text-decoration: none;
    transition: color var(--transition-fast);
}
.site-footer__nav-link:hover {
    color: var(--color-neutral-0);
}

.site-footer__social-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
    list-style: none;
}

.site-footer__social-link {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    font-size: var(--text-sm);
    color: var(--color-neutral-400);
    text-decoration: none;
    transition: color var(--transition-fast);
}
.site-footer__social-link:hover {
    color: var(--color-neutral-0);
}

.site-footer__social-icon {
    flex-shrink: 0;
}

/* Footer legal */
.site-footer__legal {
    border-top: 1px solid rgba(255, 255, 255, 0.06);
    padding-block: var(--space-5);
}

.site-footer__legal .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-4);
    flex-wrap: wrap;
}

.site-footer__legal-text {
    font-size: var(--text-xs);
    color: var(--color-neutral-500);
}

.site-footer__legal-links {
    display: flex;
    gap: var(--space-5);
    list-style: none;
}

.site-footer__legal-link {
    font-size: var(--text-xs);
    color: var(--color-neutral-500);
    text-decoration: none;
    transition: color var(--transition-fast);
}
.site-footer__legal-link:hover {
    color: var(--color-neutral-300);
}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 1024px) {
    .site-footer__grid {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 768px) {
    .site-footer__grid {
        grid-template-columns: 1fr;
        gap: var(--space-8);
    }

    .site-footer__legal .container {
        flex-direction: column;
        align-items: flex-start;
    }
}