/* =========================================================
   Acuaria — Footer
   ========================================================= */

.site-footer {
    background: var(--color-navy-dark);
    color: var(--color-text-on-dark);
    padding: var(--space-20) 0 var(--space-8);
    position: relative;
    overflow: hidden;
}

.site-footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(72, 217, 196, 0.3), transparent);
}

.site-footer__grid {
    display: grid;
    grid-template-columns: 1.5fr repeat(3, 1fr);
    gap: var(--space-10);
    margin-bottom: var(--space-12);
    padding-bottom: var(--space-10);
    border-bottom: 1px solid rgba(72, 217, 196, 0.1);
}

.site-footer__brand img {
    margin-bottom: var(--space-5);
    height: 64px;
    width: auto;
    display: block;
}

.site-footer__tagline {
    font-size: var(--font-size-sm);
    line-height: 1.65;
    color: rgba(242, 237, 228, 0.65);
    max-width: 320px;
    margin-bottom: var(--space-6);
}

.site-footer__social {
    display: flex;
    gap: var(--space-3);
}

.site-footer__social a {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: rgba(72, 217, 196, 0.08);
    border: 1px solid rgba(72, 217, 196, 0.2);
    display: grid;
    place-items: center;
    color: rgba(242, 237, 228, 0.75);
    transition: all var(--transition-base);
}

.site-footer__social a:hover {
    background: var(--color-teal);
    border-color: var(--color-teal);
    color: var(--color-white);
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(27, 184, 160, 0.4);
}

.site-footer__heading {
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-bold);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--color-teal-light);
    margin-bottom: var(--space-4);
}

.site-footer__links {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
}

.site-footer__links a {
    font-size: var(--font-size-sm);
    color: rgba(242, 237, 228, 0.7);
    transition: color var(--transition-fast), padding-left var(--transition-fast);
}

.site-footer__links a:hover {
    color: var(--color-white);
    padding-left: var(--space-2);
}

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

.site-footer__copyright,
.site-footer__version {
    margin: 0;
    font-size: var(--font-size-xs);
    color: rgba(242, 237, 228, 0.5);
}