.demo-hero {
    padding: 50px 8%;
    background: linear-gradient(135deg, #0f172a, #1e3a8a);
    color: white;
}

    .demo-hero h1 {
        font-size: 42px;
        margin-bottom: 10px;
    }

.demo-layout {
    display: grid;
    grid-template-columns: 260px 1fr;
    gap: 24px;
    padding: 30px 8%;
    background: #f8fafc;
}

.demo-sidebar,
.kpi-card,
.chart-card,
.ai-panel {
    background: white;
    border-radius: 16px;
    padding: 22px;
    box-shadow: 0 8px 24px rgba(15, 23, 42, 0.08);
}

.scenario-btn {
    display: block;
    width: 100%;
    margin-bottom: 12px;
    padding: 12px;
    border: 0;
    border-radius: 10px;
    background: #e0f2fe;
    color: #075985;
    font-weight: 700;
    cursor: pointer;
}

.kpi-row {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 18px;
}

.kpi-card span {
    display: block;
    color: #64748b;
    font-size: 14px;
}

.kpi-card strong {
    display: block;
    font-size: 28px;
    margin-top: 8px;
}

.chart-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 22px;
    margin-top: 22px;
}

.ai-panel {
    margin-top: 22px;
}

    .ai-panel textarea {
        width: 100%;
        min-height: 90px;
        margin-top: 12px;
        padding: 12px;
        border-radius: 10px;
        border: 1px solid #cbd5e1;
    }

.quick-prompts button,
.ask-btn {
    margin: 6px 8px 6px 0;
    padding: 10px 14px;
    border: 0;
    border-radius: 9px;
    background: #2563eb;
    color: white;
    cursor: pointer;
}

.ask-btn {
    background: #0f172a;
}

.ai-answer {
    margin-top: 18px;
    background: #f1f5f9;
    border-left: 5px solid #2563eb;
    padding: 16px;
    border-radius: 10px;
    white-space: pre-wrap;
}

.scenario-heading {
    background: white;
    border-radius: 16px;
    padding: 18px 22px;
    box-shadow: 0 8px 24px rgba(15, 23, 42, 0.08);
}

    .scenario-heading h2 {
        margin: 0;
        font-size: 28px;
        color: #0f172a;
    }

    .scenario-heading p {
        margin: 6px 0 0 0;
        color: #64748b;
    }