.reference-footer {
                    --rf-orange: #ff6a00;
                    --rf-orange-light: #ff8c3a;
                    --rf-bg: #f4f4f5;
                    --rf-text: #18181b;
                    --rf-muted: #71717a;
                    --rf-radius: 24px;
                    font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, "Apple Color Emoji", "Segoe UI Emoji";
                    display: flex;
                    gap: 0;
                    width: 100%;
                    background: transparent;
                    border-radius: var(--rf-radius);
                    overflow: visible;
                    position: relative;
                    box-shadow: 0 4px 40px rgba(0,0,0,0.08), 0 16px 48px rgba(0,0,0,0.06);
                }
                .reference-footer * { box-sizing: border-box; }

                .rf-left {
                    flex: 0 0 340px;
                    background: linear-gradient(160deg, var(--rf-orange) 0%, var(--rf-orange-light) 60%, #ff9e5e 100%);
                    border-radius: var(--rf-radius) 0 0 var(--rf-radius);
                    padding: 40px 32px 32px;
                    display: flex;
                    flex-direction: column;
                    justify-content: space-between;
                    position: relative;
                    overflow: hidden;
                    color: #fff;
                }
                .rf-left::before {
                    content: '';
                    position: absolute;
                    inset: 0;
                    background: radial-gradient(ellipse 80% 60% at 20% 100%, rgba(255,255,255,0.18) 0%, transparent 60%);
                    pointer-events: none;
                }
                .rf-left-inner { position: relative; z-index: 2; display: flex; flex-direction: column; height: 100%; justify-content: space-between; }
                .rf-logo { font-size: 28px; font-weight: 900; letter-spacing: -0.04em; color: #fff; text-decoration: none; line-height: 1; }
                .rf-logo span { opacity: 0.85; font-weight: 800; }
                .rf-tagline { margin-top: 14px; font-size: 14px; line-height: 1.55; color: rgba(255,255,255,0.92); max-width: 260px; }
                .rf-requisites { margin-top: 18px; display: flex; flex-direction: column; gap: 6px; }
                .rf-requisites p { margin: 0; font-size: 12.5px; line-height: 1.45; color: rgba(255,255,255,0.82); }
                .rf-requisites a { color: rgba(255,255,255,0.92); text-decoration: none; border-bottom: 1px solid rgba(255,255,255,0.25); transition: border-color 160ms ease, color 160ms ease; }
                .rf-requisites a:hover { color: #fff; border-bottom-color: rgba(255,255,255,0.7); }
                .rf-socials-label { margin-top: auto; padding-top: 32px; font-size: 13px; font-style: italic; color: rgba(255,255,255,0.85); }
                .rf-socials { display: flex; gap: 8px; margin-top: 10px; }
                .rf-social {
                    width: 36px; height: 36px; border-radius: 10px;
                    background: rgba(0,0,0,0.35); backdrop-filter: blur(4px);
                    display: inline-flex; align-items: center; justify-content: center;
                    color: #fff; transition: transform 160ms ease, background 160ms ease;
                    border: 1px solid rgba(255,255,255,0.08);
                }
                .rf-social:hover { transform: translateY(-2px); background: rgba(0,0,0,0.55); }
                .rf-social svg { width: 18px; height: 18px; }

                .rf-right {
                    flex: 1 1 auto;
                    background: var(--rf-bg);
                    border-radius: 0 var(--rf-radius) var(--rf-radius) 0;
                    padding: 40px 40px 28px;
                    position: relative;
                    overflow: hidden;
                    display: flex;
                    flex-direction: column;
                    min-width: 0;
                }
                .rf-decor {
                    position: absolute;
                    top: 20px; right: 24px;
                    width: 64px; height: 64px;
                    background: linear-gradient(135deg, var(--rf-orange), var(--rf-orange-light));
                    border-radius: 18px;
                    display: grid; place-items: center;
                    box-shadow: 0 8px 24px rgba(255,106,0,0.35), inset 0 1px 0 rgba(255,255,255,0.25);
                    color: #fff;
                }
                .rf-decor svg { width: 32px; height: 32px; filter: drop-shadow(0 2px 4px rgba(0,0,0,0.15)); }

                .rf-nav-grid {
                    display: grid;
                    grid-template-columns: 160px 160px;
                    gap: 48px;
                }
                .rf-nav h5 {
                    font-size: 12px; font-weight: 600; text-transform: uppercase;
                    letter-spacing: 0.08em; color: var(--rf-muted); margin: 0 0 16px;
                }
                .rf-nav ul { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 10px; }
                .rf-nav a {
                    font-size: 13.5px; color: var(--rf-text); text-decoration: none;
                    font-weight: 500; transition: color 140ms ease;
                    display: inline-flex; align-items: center; gap: 6px;
                }
                .rf-nav a:hover { color: var(--rf-orange); }
                .rf-nav a .rf-dot {
                    width: 5px; height: 5px; border-radius: 999px; background: #d4d4d8; flex-shrink: 0;
                }
                .rf-nav a:hover .rf-dot { background: var(--rf-orange); }

                .rf-subscribe {
                    margin-top: auto;
                    padding-top: 28px;
                    display: flex;
                    align-items: flex-end;
                    justify-content: space-between;
                    gap: 24px;
                    flex-wrap: wrap;
                }
                .rf-subscribe-text { margin: 0; }
                .rf-subscribe-text strong {
                    display: block; font-size: 15px; font-weight: 600; color: #71717a; line-height: 1.3;
                }
                .rf-subscribe-text span {
                    display: block; font-size: 16px; font-weight: 700; color: var(--rf-text); margin-top: 2px;
                }
                .rf-form {
                    display: flex; gap: 8px; align-items: center;
                    background: #fff; border-radius: 12px; padding: 4px;
                    box-shadow: 0 1px 2px rgba(0,0,0,0.04), 0 0 0 1px rgba(0,0,0,0.04);
                    flex: 1 1 280px; max-width: 380px;
                }
                .rf-form input {
                    flex: 1 1 auto; border: none; background: transparent; padding: 8px 12px;
                    font-size: 13px; color: var(--rf-text); outline: none; min-width: 0;
                }
                .rf-form input::placeholder { color: #a1a1aa; }
                .rf-form button {
                    border: none; background: #27272a; color: #fff;
                    font-size: 12px; font-weight: 600; padding: 8px 14px;
                    border-radius: 10px; cursor: pointer; white-space: nowrap;
                    transition: background 160ms ease, transform 160ms ease;
                }
                .rf-form button:hover { background: #000; transform: translateY(-1px); }

                .rf-bottom {
                    margin-top: 24px;
                    padding-top: 18px;
                    border-top: 1px solid rgba(0,0,0,0.06);
                    display: flex; align-items: center; justify-content: space-between; gap: 12px; flex-wrap: wrap;
                }
                .rf-copy { font-size: 11.5px; color: var(--rf-muted); margin: 0; }
                .rf-right .developer-credit { color: #a1a1aa; }
                .rf-right .developer-credit a { color: #52525b; }
                .rf-right .developer-credit a:hover { color: var(--rf-orange); text-shadow: none; }
                .rf-payments { margin-top: 14px; }
                .rf-payments img { display: block; height: auto; width: 100%; max-width: 440px; margin: 0 auto; }

                .rf-watermark {
                    font-size: 120px; font-weight: 900; color: rgba(0,0,0,0.025);
                    letter-spacing: -0.04em; white-space: nowrap; pointer-events: none; user-select: none;
                    line-height: 1;
                    text-align: center;
                    margin-top: 8px;
                    margin-bottom: -18px;
                }

                @media (max-width: 980px) {
                    .reference-footer { flex-direction: column; }
                    .rf-left { flex: 1 1 auto; min-height: 220px; border-radius: var(--rf-radius) var(--rf-radius) 0 0; }
                    .rf-right { border-radius: 0 0 var(--rf-radius) var(--rf-radius); }
                    .rf-decor { width: 52px; height: 52px; border-radius: 14px; }
                    .rf-decor svg { width: 26px; height: 26px; }
                }
                @media (max-width: 640px) {
                    .rf-left { padding: 28px 24px 24px; }
                    .rf-right { padding: 28px 24px 24px; }
                    .rf-nav-grid { grid-template-columns: 1fr 1fr; gap: 24px; }
                    .rf-subscribe { flex-direction: column; align-items: stretch; }
                    .rf-form { max-width: 100%; }
                    .rf-bottom { flex-direction: column; text-align: center; }
                    .rf-watermark { font-size: 72px; bottom: -10px; }
                }