/* ── footer reset */
.hf-footer *, .hf-footer *::before, .hf-footer *::after { box-sizing: border-box; margin: 0; padding: 0; }

/* ── footer wrapper */
.hf-footer {
    background: #111111;
    color: #e0e0e0;
    font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
    font-size: 14px;
    line-height: 1.7;
    margin-top: 60px;
}

/* ── main grid */
.hf-body {
    max-width: 1300px;
    margin: 0 auto;
    padding: 56px 32px 40px;
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.4fr;
    gap: 48px;
}

/* ── brand column */
.hf-brand-logo {
    display: block;
    height: 44px;
    width: auto;
    object-fit: contain;
    opacity: .92;
    margin-bottom: 20px;
}
.hf-brand-desc {
    color: #a0a0a0;
    font-size: 13.5px;
    line-height: 1.75;
    max-width: 280px;
}
.hf-social {
    display: flex;
    gap: 10px;
    margin-top: 22px;
}
.hf-social-btn {
    width: 38px;
    height: 38px;
    border-radius: 8px;
    background: #1e1e1e;
    border: 1px solid #2a2a2a;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #a0a0a0;
    text-decoration: none;
    font-size: 17px;
    transition: background .18s, border-color .18s, color .18s;
}
.hf-social-btn:hover {
    background: #e00e0e;
    border-color: #e00e0e;
    color: #fff;
}

/* ── nav column */
.hf-col-title {
    font-size: 13px;
    font-weight: 600;
    letter-spacing: .06em;
    text-transform: uppercase;
    color: #ffffff;
    margin-bottom: 18px;
    padding-bottom: 10px;
    border-bottom: 1px solid #222;
}
.hf-nav-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 10px;
}
.hf-nav-list a {
    color: #a0a0a0;
    text-decoration: none;
    font-size: 13.5px;
    display: flex;
    align-items: center;
    gap: 6px;
    transition: color .15s;
}
.hf-nav-list a::before {
    content: '';
    display: inline-block;
    width: 4px;
    height: 4px;
    border-radius: 50%;
    background: #333;
    flex-shrink: 0;
    transition: background .15s;
}
.hf-nav-list a:hover { color: #fff; }
.hf-nav-list a:hover::before { background: #e00e0e; }

/* ── contact column */
.hf-contact-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 13px;
}
.hf-contact-item {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    color: #a0a0a0;
    font-size: 13.5px;
}
.hf-contact-icon {
    width: 32px;
    height: 32px;
    border-radius: 7px;
    background: #1e1e1e;
    border: 1px solid #2a2a2a;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 15px;
    color: #e00e0e;
    flex-shrink: 0;
    margin-top: 1px;
}
.hf-contact-item a {
    color: #a0a0a0;
    text-decoration: none;
    transition: color .15s;
}
.hf-contact-item a:hover { color: #fff; }

/* ── QR column */
.hf-qr-row {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}
.hf-qr-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 6px;
}
.hf-qr-img {
    width: 72px;
    height: 72px;
    border-radius: 8px;
    object-fit: cover;
    background: #fff;
    padding: 4px;
}
.hf-qr-label {
    font-size: 11px;
    color: #666;
}

/* ── divider */
.hf-divider {
    border: none;
    border-top: 1px solid #1e1e1e;
    margin: 0 32px;
}

/* ── bottom bar */
.hf-bottom {
    max-width: 1300px;
    margin: 0 auto;
    padding: 20px 32px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 12px;
}
.hf-copy {
    font-size: 12.5px;
    color: #555;
}
.hf-copy a {
    color: #666;
    text-decoration: none;
    transition: color .15s;
}
.hf-copy a:hover { color: #e00e0e; }
.hf-lang {
    display: flex;
    gap: 4px;
    align-items: center;
}
.hf-lang a {
    font-size: 12px;
    color: #555;
    text-decoration: none;
    padding: 3px 8px;
    border-radius: 4px;
    transition: background .15s, color .15s;
}
.hf-lang a:hover { background: #1e1e1e; color: #e0e0e0; }
.hf-lang-sep { color: #333; font-size: 11px; }

/* ── responsive tablet */
@media (max-width: 1024px) {
    .hf-body {
        grid-template-columns: 1fr 1fr;
        gap: 36px;
    }
    .hf-brand-desc { max-width: 100%; }
}

/* ── responsive mobile */
@media (max-width: 600px) {
    .hf-body {
        grid-template-columns: 1fr;
        padding: 36px 20px 28px;
        gap: 28px;
    }
    .hf-divider { margin: 0 20px; }
    .hf-bottom { padding: 16px 20px; flex-direction: column; align-items: flex-start; }
    .hf-qr-row { gap: 14px; }
    .hf-qr-img { width: 64px; height: 64px; }
}