.footer {
    position: relative;
    overflow: hidden;
    background: var(--bg-alt);
    border-top: 1px solid var(--border);
    padding: 4rem 0 2rem;
}

.footer::before {
    content: '';
    position: absolute;
    top: -60px; left: -80px;
    width: 380px; height: 380px;
    background: radial-gradient(circle, rgba(92, 207, 230,0.07), transparent 70%);
    pointer-events: none;
}

.footer::after {
    content: '';
    position: absolute;
    top: -40px; right: -60px;
    width: 320px; height: 320px;
    background: radial-gradient(circle, rgba(255, 204, 102,0.06), transparent 70%);
    pointer-events: none;
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(190px, 1fr));
    gap: 2.5rem;
    margin-bottom: 3rem;
    position: relative;
    z-index: 1;
}

.footer-brand { font-weight: 700; font-size: 1.05rem; margin-bottom: 0.75rem; display: flex; align-items: center; gap: 0.5rem; }
.footer-brand-dot { width: 8px; height: 8px; background: var(--gradient); border-radius: 50%; flex-shrink: 0; }
.footer-tagline { font-size: 0.875rem; color: var(--text-dim); line-height: 1.65; margin-bottom: 1.25rem; }

.social-links { display: flex; gap: 0.5rem; }

.social-links a {
    width: 36px; height: 36px;
    display: flex; align-items: center; justify-content: center;
    border-radius: 999px;
    border: 1px solid var(--border);
    color: var(--text-dim);
    font-size: 0.875rem;
    transition: all 0.25s;
}

.social-links a:hover { background: var(--accent); border-color: var(--accent); color: #1f2430; transform: translateY(-2px); }

.footer-col h4 { font-size: 0.75rem; font-weight: 600; letter-spacing: 1.5px; text-transform: uppercase; color: var(--text-dim); margin-bottom: 1rem; }
.footer-col ul { list-style: none; }
.footer-col ul li { margin-bottom: 0.5rem; }

.footer-col ul a {
    font-size: 0.875rem;
    color: var(--text-dim);
    display: flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.2rem 0.5rem;
    border-radius: 999px;
    transition: all 0.25s;
}

.footer-col ul a:hover { color: var(--text); background: rgba(92, 207, 230,0.08); }
.footer-col ul i { font-size: 0.65rem; color: var(--accent); }

.footer-bottom {
    position: relative;
    z-index: 1;
    padding-top: 2rem;
    border-top: 1px solid var(--border);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
    font-size: 0.8125rem;
    color: var(--text-dim);
}

.back-top {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.4rem 1rem;
    border-radius: 999px;
    border: 1px solid var(--border);
    color: var(--text-dim);
    font-size: 0.8125rem;
    font-weight: 500;
    transition: all 0.25s;
}

.back-top:hover { background: var(--bg-soft); color: var(--text); }