body .demo-preview-section > .cyber-lab-promo {
    position: relative;
    isolation: isolate;
    width: min(1180px, 100%);
    min-height: 390px;
    margin: 0 auto 2rem;
    display: grid;
    grid-template-columns: minmax(0, 1.2fr) minmax(320px, .8fr);
    align-items: center;
    gap: clamp(1.5rem, 4vw, 3.5rem);
    padding: clamp(2rem, 4vw, 3.25rem);
    overflow: hidden;
    color: #f8fbff;
    border: 1px solid #247f95;
    border-radius: 18px;
    background:
        radial-gradient(circle at 86% 18%, rgba(0, 209, 178, .18), transparent 34%),
        radial-gradient(circle at 14% 92%, rgba(41, 121, 193, .18), transparent 36%),
        linear-gradient(135deg, #071523 0%, #0b2534 55%, #0d3040 100%);
    box-shadow: 0 24px 60px rgba(15, 42, 62, .24);
}

body .cyber-lab-promo::before {
    content: "";
    position: absolute;
    z-index: -1;
    inset: 0;
    pointer-events: none;
    background-image:
        linear-gradient(rgba(111, 199, 220, .045) 1px, transparent 1px),
        linear-gradient(90deg, rgba(111, 199, 220, .045) 1px, transparent 1px);
    background-size: 32px 32px;
    mask-image: linear-gradient(90deg, transparent, #000 55%);
}

body .cyber-lab-promo .feature-label {
    margin: 0;
    color: #70ead2;
}

body .cyber-lab-promo .cyber-lab-promo-copy {
    min-width: 0;
    display: grid;
    grid-template-columns: minmax(0, 1fr);
    align-content: center;
    gap: 1rem;
}

body .cyber-lab-promo h3 {
    max-width: 700px;
    margin: 0;
    color: #ffffff;
    font-size: clamp(2.15rem, 3.15vw, 3.25rem);
    line-height: 1.02;
}

body .cyber-lab-promo-copy > p {
    margin: 0;
    color: #c9d9e7;
    font-size: clamp(1rem, 1.4vw, 1.12rem);
}

body .cyber-lab-promo ul {
    margin: .15rem 0;
    padding: 0;
    display: grid;
    gap: .55rem;
}

body .cyber-lab-promo li {
    min-width: 0;
    display: flex;
    align-items: flex-start;
    gap: .65rem;
    color: #e2edf5;
    line-height: 1.4;
}

body .cyber-lab-promo li i {
    flex: 0 0 auto;
    margin-top: .18rem;
}

body .cyber-lab-promo .cyber-lab-promo-cta {
    position: relative;
    z-index: 2;
    justify-self: start;
    margin-top: .4rem;
    min-height: 48px;
    padding: .85rem 1.2rem;
    color: #ffffff;
    background: #087f8c;
    border: 1px solid #22a9b6;
    box-shadow: 0 10px 24px rgba(0, 0, 0, .24);
}

body .cyber-lab-promo .cyber-lab-promo-cta:hover {
    color: #071523;
    background: #70ead2;
    border-color: #70ead2;
}

body .cyber-lab-promo-visual {
    min-width: 0;
    min-height: 300px;
    display: grid;
    align-content: center;
    gap: 1rem;
}

body .cyber-lab-promo .promo-network {
    position: relative;
    min-height: 220px;
    overflow: hidden;
    border: 1px solid rgba(112, 234, 210, .34);
    border-radius: 12px;
    border-color: rgba(112, 234, 210, .34);
    background-color: rgba(3, 14, 24, .52);
    background-image:
        linear-gradient(rgba(112, 234, 210, .07) 1px, transparent 1px),
        linear-gradient(90deg, rgba(112, 234, 210, .07) 1px, transparent 1px);
    background-size: 26px 26px;
    box-shadow: inset 0 0 35px rgba(0, 0, 0, .22);
}

body .cyber-lab-promo .promo-network-status {
    position: absolute;
    z-index: 3;
    inset: 10px 11px auto;
    display: flex;
    justify-content: space-between;
    gap: .75rem;
    color: #adc3d4;
    font-size: .57rem;
    font-weight: 700;
    letter-spacing: .04em;
    text-transform: uppercase;
}

body .cyber-lab-promo .promo-network-status span:first-child {
    color: #ff9aa3;
}

body .cyber-lab-promo .promo-network-status i {
    margin-right: .3rem;
    font-size: .4rem;
}

body .cyber-lab-promo .promo-network-links {
    position: absolute;
    z-index: 1;
    inset: 0;
    width: 100%;
    height: 100%;
    overflow: visible;
}

body .cyber-lab-promo .promo-network-links polyline,
body .cyber-lab-promo .promo-network-links line {
    fill: none;
    vector-effect: non-scaling-stroke;
    stroke-width: 2;
    stroke-linecap: round;
    stroke-linejoin: round;
    stroke-dasharray: 4 5;
    animation: promo-flow 2.4s linear infinite;
}

body .cyber-lab-promo .promo-attack-route {
    stroke: #ff6b78;
    filter: drop-shadow(0 0 3px rgba(255, 107, 120, .45));
}

body .cyber-lab-promo .promo-protected-route {
    stroke: #70ead2;
    filter: drop-shadow(0 0 3px rgba(112, 234, 210, .38));
}

body .cyber-lab-promo .promo-monitor-route {
    stroke: #82c1ff;
    opacity: .8;
}

body .cyber-lab-promo .promo-node {
    position: absolute;
    z-index: 2;
    width: 54px;
    height: 54px;
    display: grid;
    place-items: center;
    border: 2px solid #56a8ff;
    border-radius: 12px;
    color: #82c1ff;
    background: #0a1929;
    font-size: 1.25rem;
    box-shadow: 0 8px 20px rgba(0, 0, 0, .3);
    transform: translate(-50%, -50%);
}

body .cyber-lab-promo .promo-source {
    left: 13%;
    top: 58%;
    color: #ff8792;
    border-color: #ff6b78;
}
body .cyber-lab-promo .promo-node::after {
    position: absolute;
    top: calc(100% + 8px);
    width: max-content;
    color: #c9d9e7;
    font-size: .57rem;
    font-weight: 700;
}
body .cyber-lab-promo .promo-source::after { content: "Attack source"; }
body .cyber-lab-promo .promo-edge::after { content: "Edge"; }
body .cyber-lab-promo .promo-shield::after { content: "Defense"; }
body .cyber-lab-promo .promo-server::after { content: "Application"; }
body .cyber-lab-promo .promo-database::after { content: "Records"; }
body .cyber-lab-promo .promo-monitor::after { content: "Monitor"; }

body .cyber-lab-promo .promo-edge {
    left: 31%;
    top: 32%;
    color: #82c1ff;
}

body .cyber-lab-promo .promo-shield {
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    color: #70ead2;
    border-color: #55e6c1;
}

body .cyber-lab-promo .promo-server {
    left: 70%;
    top: 30%;
}

body .cyber-lab-promo .promo-database {
    left: 87%;
    top: 58%;
    color: #82c1ff;
}

body .cyber-lab-promo .promo-monitor {
    left: 70%;
    top: 76%;
    color: #d4b7ff;
    border-color: #a987d6;
}

body .cyber-lab-promo .promo-stat-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: .65rem;
}

body .cyber-lab-promo .promo-stat-grid div {
    display: grid;
    gap: .2rem;
    padding: .85rem .55rem;
    background: rgba(4, 20, 32, .82);
    border-color: rgba(112, 234, 210, .26);
    border-style: solid;
    border-width: 1px;
    border-radius: 9px;
    text-align: center;
}

body .cyber-lab-promo .promo-stat-grid strong {
    display: block;
    color: #ffffff;
    font-size: 1.45rem;
}

body .cyber-lab-promo .promo-stat-grid span {
    display: block;
    color: #b9cad8;
    font-size: .68rem;
    line-height: 1.2;
    text-transform: uppercase;
    letter-spacing: .05em;
}

@keyframes promo-flow {
    to { stroke-dashoffset: -18; }
}

@media (prefers-reduced-motion: reduce) {
    body .cyber-lab-promo .promo-network-links polyline,
    body .cyber-lab-promo .promo-network-links line {
        animation: none;
    }
}

:root[data-theme="light"] body .demo-preview-section > .cyber-lab-promo {
    box-shadow: 0 24px 60px rgba(15, 42, 62, .18);
}

@media (max-width: 900px) {
    body .demo-preview-section > .cyber-lab-promo {
        grid-template-columns: 1fr;
        min-height: auto;
    }

    body .cyber-lab-promo-visual {
        min-height: auto;
    }
}

@media (max-width: 560px) {
    body .demo-preview-section > .cyber-lab-promo {
        padding: 1.5rem;
        border-radius: 12px;
    }

    body .cyber-lab-promo h3 {
        font-size: 2.25rem;
    }

    body .cyber-lab-promo .cyber-lab-promo-cta {
        width: 100%;
        justify-content: center;
    }

    body .cyber-lab-promo .promo-stat-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}