/* ══════════════════════════════════════
   SHARED FOOTER (.footer / .footer-content / .footer-column)
   Extracted from index.css — isolated so it can be added to any page
   without pulling in index.css's body/container/reset rules.
   Requires: --red, --purple, --white, --fa (already defined in about.css)
══════════════════════════════════════ */

.footer {
    background: var(--purple);
    color: var(--white);
    padding: 4rem 0 2rem;
}

.footer .container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 2rem;
}

.footer-content {
    display: grid;
    grid-template-columns: 1.5fr 2fr;
    gap: 4rem;
    margin-bottom: 3rem;
}

.footer-logo {
    height: 50px;
    margin-bottom: 1rem;
    filter: brightness(0) invert(1);
}

.footer-brand p {
    opacity: 0.8;
    max-width: 300px;
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.footer-column h4 {
    font-family: var(--fa);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: 1.5rem;
    color: var(--red);
}

.footer-column a {
    display: block;
    color: var(--white);
    text-decoration: none;
    margin-bottom: 0.75rem;
    opacity: 0.8;
    transition: all 0.3s;
    font-family: var(--fa);
}

.footer-column a:hover {
    opacity: 1;
    transform: translateX(5px);
    color: var(--red);
}

.footer-socials {
    display: flex;
    gap: 16px;
    margin-top: 16px;
    align-items: center;
}

.footer-socials .social-link img,
.footer-socials .social-link svg {
    width: 20px;
    height: 20px;
    opacity: 0.8;
    transition: opacity 0.2s;
}

.footer-socials .social-link img {
    filter: brightness(0) invert(1);
}

.footer-socials .social-link:hover img,
.footer-socials .social-link:hover svg {
    opacity: 1;
}

.footer-bottom {
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.2);
    text-align: center;
    opacity: 0.6;
    font-size: 0.85rem;
    font-family: var(--fa);
}

@media (max-width: 768px) {
    .footer-content { grid-template-columns: 1fr; gap: 2rem; }
    .footer-links { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 480px) {
    .footer-links { grid-template-columns: 1fr; }
}