/**
 * widgets/layout/footer-columns — 브랜드 + 링크 열 하단
 */
.w-footer-columns {
    --w-footer-columns-bg:      var(--site-bg, #fff);
    --w-footer-columns-fg:      var(--site-text, #1f2937);
    --w-footer-columns-muted:   var(--site-muted, #6b7280);
    --w-footer-columns-border:  var(--site-border, #e5e7eb);
    --w-footer-columns-brand:   var(--site-brand, #6c5ce7);
    --w-footer-columns-pad:     2.5rem 1rem 3rem;
    --w-footer-columns-gap:     2.5rem;
    --w-footer-columns-brand-w: 30%;

    background: var(--w-footer-columns-bg);
    border-top: 1px solid var(--w-footer-columns-border);
    color: var(--w-footer-columns-muted);
}

.w-footer-columns__inner {
    max-width: var(--w-shell-max, 1690px);
    margin: 0 auto;
    padding: var(--w-footer-columns-pad);
    display: flex;
    flex-wrap: wrap;
    gap: var(--w-footer-columns-gap);
}

/* ── 브랜드 ──────────────────────────────────────── */
.w-footer-columns__brand {
    flex: 1 1 var(--w-footer-columns-brand-w);
    min-width: 220px;
}

.w-footer-columns__logo {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    text-decoration: none;
    color: var(--w-footer-columns-fg);
    margin-bottom: 0.875rem;
}

.w-footer-columns__logo img { height: 24px; width: auto; }

.w-footer-columns__mark {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 1.625rem;
    height: 1.625rem;
    border-radius: 6px;
    background: color-mix(in srgb, var(--w-footer-columns-brand) 12%, transparent);
    color: var(--w-footer-columns-brand);
    font-size: 0.8125rem;
}

.w-footer-columns__name { font-weight: 700; font-size: 1rem; }

.w-footer-columns__meta {
    margin: 0 0 1rem;
    padding: 0;
    list-style: none;
    display: grid;
    gap: 0.375rem;
    font-size: 0.8125rem;
}

.w-footer-columns__meta li {
    display: flex;
    align-items: center;
    gap: 0.45rem;
}

.w-footer-columns__meta i { width: 0.9rem; text-align: center; opacity: 0.6; }

.w-footer-columns__meta a {
    color: inherit;
    text-decoration: none;
}

.w-footer-columns__meta a:hover { color: #64748b; text-decoration: underline; }

/* ── 링크 열 ─────────────────────────────────────── */
.w-footer-columns__col {
    flex: 1 1 12rem;
    min-width: 10rem;
}

.w-footer-columns__col-title {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    margin: 0 0 0.875rem;
    font-size: 0.9375rem;
    font-weight: 700;
    color: var(--w-footer-columns-fg);
}

.w-footer-columns__col-title i { opacity: 0.55; font-size: 0.875em; }

.w-footer-columns__links {
    margin: 0;
    padding: 0;
    list-style: none;
    display: grid;
    gap: 0.55rem;
}

.w-footer-columns__links a {
    --w-footer-columns-link-icon: var(--w-footer-columns-muted);

    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.8125rem;
    color: var(--w-footer-columns-muted);
    text-decoration: none;
}

.w-footer-columns__links a i {
    width: 1rem;
    text-align: center;
    color: var(--w-footer-columns-link-icon);
}

/* 호버 명암 — 프로젝트 규칙 */
.w-footer-columns__links a:hover { color: #64748b; text-decoration: underline; }

@media (max-width: 640px) {
    .w-footer-columns { --w-footer-columns-gap: 1.75rem; --w-footer-columns-pad: 2rem 0.75rem 2.5rem; }
}