    /* 1. RESET & FUNDAMENTALS */
    .fb-tool-v5-scope {
        background: #000;
        color: #fff;
        font-family: 'Segoe UI', Roboto, sans-serif;
        line-height: 1.6;
        overflow-x: hidden;
    }

    .fb-tool-v5-container {
        max-width: 1200px;
        margin: 0 auto;
        padding: 0 20px;
        box-sizing: border-box;
        margin-top: 50px;
    }

    /* 2. HERO SECTION */
    .fb-tool-v5-hero {
        padding: clamp(80px, 15vh, 160px) 0;
        background: linear-gradient(rgba(0, 0, 0, 0.8), rgba(0, 0, 0, 0.85)),
            url('') center/cover;
        border-bottom: 5px solid #ffcc00;
        text-align: left;
    }

    .fb-tool-v5-pre-title {
        color: #ffcc00;
        font-weight: 900;
        font-size: 13px;
        text-transform: uppercase;
        letter-spacing: 2px;
        display: flex;
        align-items: center;
        gap: 10px;
        margin-bottom: 25px;
    }

    .fb-tool-v5-spark {
        width: 12px;
        height: 12px;
        background: #ffcc00;
        border-radius: 50%;
        display: block;
        animation: fb-tool-pulse 1.5s infinite;
    }

    @keyframes fb-tool-pulse {
        0% {
            opacity: 1;
            transform: scale(1);
        }

        50% {
            opacity: 0.3;
            transform: scale(1.4);
        }

        100% {
            opacity: 1;
            transform: scale(1);
        }
    }

    .fb-tool-v5-h1 {
        font-size: clamp(2.5rem, 8vw, 4rem);
        font-weight: 900;
        margin-bottom: 20px;
        line-height: 1.1;
    }

    .fb-tool-v5-h1 span {
        color: #ffcc00;
    }

    .fb-tool-v5-p {
        max-width: 600px;
        color: #ccc;
        font-size: 1.1rem;
        margin-bottom: 40px;
    }

    .fb-tool-v5-cta-flex {
        display: flex;
        gap: 15px;
        flex-wrap: wrap;
    }

    .fb-tool-v5-btn-y {
        background: #ffcc00;
        color: #000;
        padding: 18px 40px;
        text-decoration: none;
        font-weight: 800;
        border-radius: 4px;
        transition: 0.3s;
    }

    .fb-tool-v5-btn-w {
        border: 2px solid #fff;
        color: #fff;
        padding: 16px 40px;
        text-decoration: none;
        font-weight: 800;
        border-radius: 4px;
        transition: 0.3s;
    }

    .fb-tool-v5-btn-y:hover {
        background: #fff;
        transform: translateY(-5px);
    }

    /* 3. SPLIT SECTION (Responsive) */
    .fb-tool-v5-section {
        padding: clamp(60px, 12vh, 120px) 0;
    }

    .fb-tool-v5-bg-alt {
        background: #080808;
    }

    .fb-tool-v5-split {
        display: grid;
        grid-template-columns: 1.2fr 0.8fr;
        gap: 60px;
        align-items: center;
    }

    .fb-tool-v5-title {
        font-size: clamp(2rem, 5vw, 2.8rem);
        font-weight: 800;
        margin-bottom: 20px;
    }

    .fb-tool-v5-title span {
        color: #ffcc00;
    }

    .fb-tool-v5-lead {
        color: #ffcc00;
        font-size: 1.2rem;
        font-weight: 600;
        margin-bottom: 10px;
    }

    .fb-tool-v5-text {
        color: #bbb;
        font-size: 1.05rem;
        margin-bottom: 30px;
    }

    .fb-tool-v5-mini-grid {
        display: flex;
        gap: 20px;
    }

    .fb-tool-v5-mini-card {
        background: #111;
        padding: 15px 20px;
        border-radius: 5px;
        border-left: 4px solid #ffcc00;
        font-size: 0.9rem;
    }

    .fb-tool-v5-mini-card strong {
        color: #ffcc00;
        display: block;
        font-size: 1.1rem;
    }

    .fb-tool-v5-img-frame {
        position: relative;
        border-radius: 12px;
        overflow: hidden;
        border: 1px solid #333;
    }

    .fb-tool-v5-main-img {
        width: 100%;
        display: block;
        filter: brightness(0.8);
        transition: 0.5s;
    }

    .fb-tool-v5-img-frame:hover .fb-tool-v5-main-img {
        filter: brightness(1);
        transform: scale(1.05);
    }

    .fb-tool-v5-label {
        position: absolute;
        bottom: 20px;
        right: 20px;
        background: #ffcc00;
        color: #000;
        padding: 5px 12px;
        font-weight: 900;
        font-size: 10px;
        text-transform: uppercase;
    }

    /* 4. FEATURES GRID */
    .fb-tool-v5-header-center {
        text-align: center;
        margin-bottom: 60px;
    }

    .fb-tool-v5-grid {
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
        gap: 30px;
    }

    .fb-tool-v5-card {
        background: #111;
        padding: 50px 40px;
        border-radius: 12px;
        border: 1px solid #222;
        transition: 0.4s;
    }

    .fb-tool-v5-card-icon {
        font-size: 3rem;
        margin-bottom: 20px;
    }

    .fb-tool-v5-active {
        border-color: #ffcc00;
        background: #161616;
    }

    .fb-tool-v5-card:hover {
        transform: translateY(-10px);
        border-color: #ffcc00;
    }

    .fb-tool-v5-card h3 {
        font-size: 1.6rem;
        margin-bottom: 15px;
    }

    .fb-tool-v5-card p {
        color: #888;
        font-size: 0.95rem;
    }

    /* 5. DUAL PANES */
    .fb-tool-v5-dual-pane {
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
        gap: 30px;
    }

    .fb-tool-v5-pane {
        padding: 50px;
        border-radius: 12px;
    }

    .fb-tool-v5-black-box {
        background: #111;
    }

    .fb-tool-v5-yellow-box {
        background: #ffcc00;
        color: #000;
    }

    .fb-tool-v5-check-list,
    .fb-tool-v5-check-list-dark {
        list-style: none;
        padding: 0;
        margin-top: 25px;
    }

    .fb-tool-v5-check-list li,
    .fb-tool-v5-check-list-dark li {
        padding: 12px 0;
        border-bottom: 1px solid rgba(255, 255, 255, 0.05);
        position: relative;
        padding-left: 35px;
        font-weight: 700;
    }

    .fb-tool-v5-check-list-dark li {
        border-bottom-color: rgba(0, 0, 0, 0.1);
    }

    .fb-tool-v5-check-list li::before {
        content: '✔';
        position: absolute;
        left: 0;
        color: #ffcc00;
    }

    .fb-tool-v5-check-list-dark li::before {
        content: '✔';
        position: absolute;
        left: 0;
        color: #000;
    }

    /* 6. RESPONSIVE QUERIES */
    @media (max-width: 992px) {
        .fb-tool-v5-split {
            grid-template-columns: 1fr;
            text-align: center;
        }

        .fb-tool-v5-visual {
            order: -1;
        }

        .fb-tool-v5-hero {
            text-align: center;
        }

        .fb-tool-v5-pre-title {
            justify-content: center;
        }

        .fb-tool-v5-cta-flex {
            justify-content: center;
        }

        .fb-tool-v5-mini-grid {
            justify-content: center;
        }
    }

    @media (max-width: 600px) {
        .fb-tool-v5-cta-flex {
            flex-direction: column;
        }

        .fb-tool-v5-btn-y,
        .fb-tool-v5-btn-w {
            width: 100%;
            text-align: center;
        }

        .fb-tool-v5-mini-grid {
            flex-direction: column;
        }
    }