/* =============================================================
   FOOTER — footer.css
   ============================================================= */

.site-footer {
    background: var(--color-primary-dark);
    color: rgba(255,255,255,.85);
    font-size: var(--font-size-sm);
}

/* ---- Main footer grid ---- */
.footer__main {
    padding-block: var(--space-16) var(--space-12);
    border-bottom: 1px solid rgba(255,255,255,.1);
}

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

/* ---- Column: Brand ---- */
.footer__logo .site-logo__text,
.footer__logo img {
    filter: brightness(0) invert(1);
    opacity: .9;
}

.footer__desc {
    margin-top: var(--space-4);
    line-height: var(--line-height-loose);
    color: rgba(255,255,255,.65);
    max-width: 280px;
}

.footer__social {
    display: flex;
    gap: var(--space-3);
    margin-top: var(--space-6);
}

.footer__social-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border-radius: var(--radius-md);
    background: rgba(255,255,255,.1);
    color: rgba(255,255,255,.7);
    transition: all var(--transition-fast);
}

.footer__social-link:hover {
    background: var(--color-accent-green);
    color: var(--color-white);
}

/* ---- Column headings ---- */
.footer__heading {
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-semibold);
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--color-white);
    margin-bottom: var(--space-5);
    padding-bottom: var(--space-3);
    border-bottom: 2px solid var(--color-accent-green);
    display: inline-block;
}

/* ---- Quick links ---- */
.footer__links {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
}

.footer__links a {
    color: rgba(255,255,255,.65);
    text-decoration: none;
    transition: color var(--transition-fast);
    display: flex;
    align-items: center;
    gap: var(--space-2);
}

.footer__links a::before {
    content: '›';
    color: var(--color-accent-green);
    font-size: var(--font-size-md);
    line-height: 1;
}

.footer__links a:hover {
    color: var(--color-white);
}

/* ---- Contact list ---- */
.footer__contact-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
}

.footer__contact-list li {
    display: flex;
    align-items: flex-start;
    gap: var(--space-3);
    color: rgba(255,255,255,.65);
    line-height: var(--line-height-base);
}

.footer__contact-list svg {
    flex-shrink: 0;
    margin-top: 2px;
    color: var(--color-accent-green);
}

/* ---- Certification badges ---- */
.footer__certs {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-3);
}

.footer__cert-badge {
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: var(--space-3);
    background: rgba(255,255,255,.08);
    border: 1px solid rgba(255,255,255,.15);
    border-radius: var(--radius-md);
    font-size: 0.7rem;
    font-weight: var(--font-weight-bold);
    letter-spacing: 0.05em;
    color: var(--color-white);
    line-height: 1.3;
    min-height: 56px;
    transition: background var(--transition-fast);
}

.footer__cert-badge:hover {
    background: rgba(255,255,255,.15);
}

/* ---- Bottom bar ---- */
.footer__bottom {
    padding-block: var(--space-5);
    background: rgba(0,0,0,.2);
}

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

.footer__copy {
    color: rgba(255,255,255,.45);
    font-size: var(--font-size-xs);
}

.footer__legal {
    display: flex;
    gap: var(--space-5);
}

.footer__legal a {
    font-size: var(--font-size-xs);
    color: rgba(255,255,255,.45);
    text-decoration: none;
    transition: color var(--transition-fast);
}

.footer__legal a:hover {
    color: var(--color-white);
}

/* ---- Responsive ---- */
@media (max-width: 1024px) {
    .footer__grid {
        grid-template-columns: 1fr 1fr;
        gap: var(--space-8);
    }
}

@media (max-width: 600px) {
    .footer__grid {
        grid-template-columns: 1fr;
    }
    .footer__bottom-inner {
        flex-direction: column;
        text-align: center;
    }
    .footer__desc {
        max-width: 100%;
    }
}