.demo-section {
    position: relative;
    padding: 130px 40px;
    background: #111;
    overflow: hidden;
}

.demo-container {
    position: relative;
    width: 100%;
    max-width: 1200px;
    min-height: 520px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid #292929;
    border-radius: 28px;
    background: #151515;
    overflow: hidden;
}

.demo-content {
    position: relative;
    z-index: 2;
    width: 100%;
    max-width: 900px;
    padding: 80px 40px;
    text-align: center;
}

.demo-label {
    display: inline-block;
    margin-bottom: 20px;
    color: #ffffff;
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 2px;
}

.demo-content h2 {
    margin: 0;
    color: #fff;
    font-size: clamp(40px, 5vw, 64px);
    line-height: 1.06;
    letter-spacing: -3px;
    font-weight: 600;
}

.demo-content>p {
    max-width: 620px;
    margin: 25px auto 0;
    color: #999;
    font-family: 'Poppins', sans-serif;
    font-size: 16px;
    line-height: 1.7;
}

.demo-highlight {
    display: flex;
    align-items: center;
    gap: 14px;
    max-width: 390px;
    margin: 32px auto 0;
    padding: 15px 18px;
    text-align: left;
    border: 1px solid #292929;
    border-radius: 16px;
    background: #191919;
}

.demo-highlight-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    width: 42px;
    height: 42px;
    border-radius: 12px;
    background: #252525;
    color: #fff;
    font-size: 16px;
}

.demo-highlight-content {
    display: flex;
    flex-direction: column;
    gap: 3px;
}

.demo-highlight-content strong {
    color: #fff;
    font-size: 14px;
    font-weight: 600;
}

.demo-highlight-content span {
    color: #888;
    font-family: 'Poppins', sans-serif;
    font-size: 11px;
    line-height: 1.5;
}

.demo-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    min-height: 54px;
    margin-top: 30px;
    padding: 0 28px;
    border-radius: 999px;
    background: #fff;
    color: #111;
    text-decoration: none;
    font-size: 14px;
    font-weight: 600;
    transition: transform .2s ease, background .2s ease;
}

.demo-button:hover {
    transform: translateY(-3px);
    background: #f1f1f1;
}

.demo-disclaimer {
    max-width: 560px !important;
    margin-top: 18px !important;
    font-size: 11px !important;
    line-height: 1.6 !important;
    color: #666 !important;
}

.demo-disclaimer strong {
    color: #999;
    font-weight: 600;
}

.demo-decoration {
    position: absolute;
    inset: 0;
    pointer-events: none;
}

.demo-circle {
    position: absolute;
    border: 1px solid #292929;
    border-radius: 50%;
}

.demo-circle-one {
    width: 600px;
    height: 600px;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}

.demo-circle-two {
    width: 900px;
    height: 900px;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}

.demo-grid {
    position: absolute;
    inset: 0;
    background-image: linear-gradient(#ffffff03 1px, transparent 1px), linear-gradient(90deg, #ffffff03 1px, transparent 1px);
    background-size: 70px 70px;
    mask-image: radial-gradient(circle at center, black, transparent 70%);
    -webkit-mask-image: radial-gradient(circle at center, black, transparent 70%);
}

@media(max-width:700px) {
    .demo-section {
        padding: 80px 20px;
    }

    .demo-container {
        min-height: auto;
        border-radius: 22px;
    }

    .demo-content {
        padding: 65px 22px;
    }

    .demo-content h2 {
        font-size: 38px;
        letter-spacing: -2px;
    }

    .demo-content>p {
        font-size: 14px;
    }

    .demo-highlight {
        width: 100%;
        box-sizing: border-box;
    }

    .demo-button {
        width: 100%;
        box-sizing: border-box;
    }

    .demo-disclaimer {
        font-size: 10px !important;
    }

    .demo-circle-one {
        width: 400px;
        height: 400px;
    }

    .demo-circle-two {
        width: 600px;
        height: 600px;
    }
}