:root {
    --demo-banner-height: 52px;
    --demo-ink: #102a43;
    --demo-muted: #61758a;
    --demo-line: #d9e4ee;
    --demo-panel: #ffffff;
    --demo-soft: #f5f8fb;
    --demo-blue: #1764d8;
    --demo-green: #12805c;
    --demo-gold: #b7791f;
}

.demo-banner {
    align-items: center;
    background: #0f2f3a;
    color: #ffffff;
    display: flex;
    gap: 1rem;
    justify-content: center;
    height: var(--demo-banner-height);
    padding: .55rem 1rem;
    position: relative;
    text-align: center;
    z-index: 1060;
}

.demo-banner a {
    color: #9ee6cf;
    font-weight: 700;
}

.demo-mode .dashboard-sidebar {
    height: calc(100vh - var(--demo-banner-height));
    top: var(--demo-banner-height);
}

.demo-mode .dashboard-sidebar-toggle {
    top: calc(var(--demo-banner-height) + 12px);
}

.demo-shell {
    background: linear-gradient(180deg, #eef5fb 0, #f8fafc 360px, #f8fafc 100%);
    margin: 0 auto;
    min-height: calc(100vh - var(--demo-banner-height));
    padding: 1.5rem clamp(1rem, 3vw, 2.5rem) 3rem;
}

.demo-hero,
.demo-content,
.demo-cta,
.demo-steps {
    margin-left: auto;
    margin-right: auto;
    max-width: 1180px;
}

.demo-hero {
    align-items: stretch;
    background:
        linear-gradient(135deg, rgba(16, 42, 67, .96), rgba(23, 100, 216, .9)),
        url("../img/cleansheet-logo.png") right 2rem center / 210px no-repeat;
    border-radius: 8px;
    box-shadow: 0 18px 46px rgba(15, 23, 42, .18);
    color: #ffffff;
    display: grid;
    gap: 1.5rem;
    grid-template-columns: minmax(0, 1fr) 330px;
    min-height: 310px;
    overflow: hidden;
    padding: clamp(1.5rem, 4vw, 3rem);
}

.demo-hero__content {
    display: flex;
    flex-direction: column;
    justify-content: center;
    max-width: 760px;
}

.demo-product-mark {
    align-items: center;
    display: flex;
    gap: .85rem;
    margin-bottom: 1.2rem;
}

.demo-product-mark img {
    background: rgba(255, 255, 255, .95);
    border-radius: 8px;
    padding: .25rem;
}

.demo-product-mark span,
.demo-kicker,
.demo-section-heading span {
    color: var(--demo-green);
    display: block;
    font-size: .75rem;
    font-weight: 800;
    letter-spacing: 0;
    text-transform: uppercase;
}

.demo-product-mark span {
    color: #b8f5e1;
}

.demo-product-mark strong {
    display: block;
    font-size: 1rem;
}

.demo-hero h1 {
    font-size: clamp(2.35rem, 4.8vw, 4.75rem);
    font-weight: 850;
    letter-spacing: 0;
    line-height: 1;
    margin: 0;
}

.demo-hero p {
    color: rgba(255, 255, 255, .82);
    font-size: 1.08rem;
    line-height: 1.65;
    margin: 1rem 0 0;
    max-width: 680px;
}

.demo-hero__actions {
    display: flex;
    flex-wrap: wrap;
    gap: .75rem;
    margin-top: 1.5rem;
}

.demo-hero__snapshot {
    align-self: end;
    background: rgba(255, 255, 255, .12);
    border: 1px solid rgba(255, 255, 255, .28);
    border-radius: 8px;
    padding: 1.25rem;
}

.demo-hero__snapshot span {
    color: #b8f5e1;
    display: block;
    font-size: .8rem;
    font-weight: 800;
    margin-bottom: .35rem;
    text-transform: uppercase;
}

.demo-hero__snapshot strong {
    display: block;
    font-size: 1.35rem;
}

.demo-hero__snapshot p {
    font-size: .95rem;
    margin-top: .75rem;
}

.demo-steps {
    display: flex;
    gap: .6rem;
    margin-top: 1rem;
    overflow-x: auto;
    padding: .35rem 0 1rem;
}

.demo-steps a {
    align-items: center;
    background: rgba(255, 255, 255, .88);
    border: 1px solid var(--demo-line);
    border-radius: 8px;
    color: #34495e;
    display: inline-flex;
    flex: 0 0 auto;
    gap: .5rem;
    min-height: 44px;
    padding: .55rem .8rem;
    text-decoration: none;
    white-space: nowrap;
}

.demo-steps a.active {
    background: var(--demo-blue);
    border-color: var(--demo-blue);
    box-shadow: 0 10px 24px rgba(23, 100, 216, .24);
    color: #ffffff;
}

.demo-steps span {
    align-items: center;
    border: 1px solid currentColor;
    border-radius: 50%;
    display: inline-flex;
    flex: 0 0 24px;
    height: 24px;
    justify-content: center;
}

.demo-content {
    padding-top: .25rem;
}

.demo-panel,
.demo-card,
.demo-metric,
.demo-score-card,
.demo-cta,
.demo-scenario-board > div {
    background: var(--demo-panel);
    border: 1px solid var(--demo-line);
    border-radius: 8px;
    box-shadow: 0 10px 28px rgba(15, 23, 42, .06);
}

.demo-panel {
    margin-bottom: 1rem;
    padding: clamp(1rem, 2vw, 1.4rem);
}

.demo-panel-header,
.demo-cta,
.demo-launch-layout,
.demo-score-layout,
.demo-answer-strip {
    align-items: stretch;
    display: grid;
    gap: 1rem;
}

.demo-panel-header,
.demo-cta {
    align-items: center;
    grid-template-columns: 1fr auto;
}

.demo-panel-header p {
    color: var(--demo-muted);
    margin: .35rem 0 0;
}

.demo-section-heading {
    margin-bottom: 1rem;
}

.demo-section-heading--outside {
    margin: .25rem 0 1rem;
}

.demo-section-heading h2,
.demo-panel h2,
.demo-card h2,
.demo-launch-card h2 {
    color: var(--demo-ink);
    font-size: 1.25rem;
    font-weight: 800;
    letter-spacing: 0;
    margin: .2rem 0 0;
}

.demo-launch-layout {
    grid-template-columns: minmax(0, 1fr) 380px;
}

.demo-launch-card {
    display: flex;
    flex-direction: column;
    justify-content: center;
    min-height: 280px;
}

.demo-launch-card p {
    color: var(--demo-muted);
    line-height: 1.65;
    margin: 1rem 0 1.5rem;
    max-width: 720px;
}

.demo-scenario-board {
    display: grid;
    gap: .75rem;
    grid-template-columns: 1fr 1fr;
}

.demo-scenario-cards {
    display: grid;
    gap: 1rem;
    grid-template-columns: repeat(3, minmax(0, 1fr));
}

.demo-scenario-card {
    display: flex;
    flex-direction: column;
}

.demo-scenario-card > p {
    color: var(--demo-muted);
    line-height: 1.55;
}

.demo-scenario-card form {
    margin-top: auto;
    padding-top: .5rem;
}

.demo-scenario-metrics {
    display: flex;
    flex-wrap: wrap;
    gap: .4rem;
    margin-bottom: .75rem;
}

.demo-scenario-metrics span {
    background: var(--demo-soft);
    border-radius: 999px;
    color: var(--demo-ink);
    font-size: .78rem;
    font-weight: 700;
    padding: .35rem .6rem;
}

.demo-scenario-board > div {
    padding: 1rem;
}

.demo-scenario-board span,
.demo-metric span,
.demo-card span,
.demo-score-card span {
    color: var(--demo-muted);
    display: block;
    font-size: .78rem;
    font-weight: 800;
    margin-bottom: .4rem;
    text-transform: uppercase;
}

.demo-scenario-board strong,
.demo-metric strong,
.demo-card strong {
    color: var(--demo-ink);
    display: block;
    font-size: 1.65rem;
    font-weight: 850;
    line-height: 1.1;
}

.demo-grid {
    display: grid;
    gap: 1rem;
    grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
    margin-bottom: 1rem;
}

.demo-grid-3 {
    grid-template-columns: repeat(3, minmax(0, 1fr));
}

.demo-grid-4 {
    grid-template-columns: repeat(4, minmax(0, 1fr));
}

.demo-grid-5 {
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
}

.demo-metric,
.demo-card {
    min-height: 132px;
    padding: 1rem;
}

.demo-card p,
.demo-metric p {
    color: var(--demo-muted);
    margin: .55rem 0 0;
}

.demo-rank-card {
    border-top: 4px solid var(--demo-green);
}

.demo-score-layout {
    grid-template-columns: 300px minmax(0, 1fr);
    margin-bottom: 1rem;
}

.demo-score-card {
    background: linear-gradient(180deg, #ffffff, #f6fbff);
    padding: 1.35rem;
}

.demo-score-card strong {
    color: var(--demo-blue);
    display: block;
    font-size: 4rem;
    font-weight: 850;
    line-height: 1;
}

.demo-score-track {
    background: #dbe7f3;
    border-radius: 999px;
    height: 10px;
    margin-top: 1rem;
    overflow: hidden;
}

.demo-score-track i {
    background: linear-gradient(90deg, var(--demo-gold), var(--demo-green));
    display: block;
    height: 100%;
}

.demo-list {
    display: grid;
    gap: .6rem;
    list-style: none;
    margin: 0 0 1rem;
    padding: 0;
}

.demo-list li {
    background: var(--demo-soft);
    border: 1px solid var(--demo-line);
    border-radius: 8px;
    color: var(--demo-ink);
    padding: .75rem .9rem;
}

.demo-action-row {
    display: flex;
    justify-content: flex-end;
}

.demo-empty-state {
    background: var(--demo-soft);
    border: 1px dashed #b8c8d8;
    border-radius: 8px;
    color: var(--demo-muted);
    padding: 1rem;
}

.demo-table-wrap {
    border: 1px solid var(--demo-line);
    border-radius: 8px;
    overflow-x: auto;
}

.demo-table {
    margin-bottom: 0;
}

.demo-table thead th {
    background: #f1f5f9;
    color: #334e68;
    font-size: .78rem;
    text-transform: uppercase;
}

.demo-graph {
    align-items: stretch;
    display: grid;
    gap: .8rem;
    grid-template-columns: repeat(4, minmax(0, 1fr));
}

.demo-graph .node {
    background: #f7fafc;
    border: 1px solid var(--demo-line);
    border-radius: 8px;
    color: var(--demo-ink);
    font-weight: 850;
    padding: .95rem;
    text-align: center;
}

.demo-graph .root {
    background: var(--demo-blue);
    border-color: var(--demo-blue);
    color: #ffffff;
}

.demo-graph .branch {
    display: grid;
    gap: .55rem;
}

.demo-graph .branch > span {
    color: var(--demo-muted);
    font-size: .8rem;
    font-weight: 800;
    text-align: center;
}

.demo-graph .small {
    grid-template-columns: 1fr 1fr;
}

.demo-question-form {
    display: grid;
    gap: .75rem;
    grid-template-columns: 1fr auto;
}

.demo-question-form .form-control {
    min-height: 48px;
}

.demo-question-list {
    display: grid;
    gap: .65rem;
    grid-template-columns: repeat(auto-fit, minmax(270px, 1fr));
    margin-top: 1rem;
}

.demo-question-list button {
    background: #ffffff;
    border: 1px solid var(--demo-line);
    border-left: 4px solid var(--demo-blue);
    border-radius: 8px;
    color: var(--demo-ink);
    min-height: 58px;
    padding: .8rem .95rem;
    text-align: start;
    width: 100%;
}

.demo-question-list button:hover {
    background: #f3f8ff;
}

.demo-answer-strip {
    grid-template-columns: minmax(240px, 320px) 1fr;
    margin-bottom: 1rem;
}

.demo-evidence {
    background: var(--demo-soft);
    border: 1px solid var(--demo-line);
    border-radius: 8px;
    padding: 1rem;
}

.demo-evidence p {
    color: var(--demo-muted);
    font-size: .78rem;
    font-weight: 800;
    margin: 0 0 .25rem;
    text-transform: uppercase;
}

.demo-evidence strong {
    color: var(--demo-ink);
    display: block;
    margin-bottom: .75rem;
}

.demo-bars {
    display: grid;
    gap: .65rem;
}

.demo-bars div {
    align-items: center;
    display: grid;
    gap: .8rem;
    grid-template-columns: 120px 1fr;
}

.demo-bars span {
    color: var(--demo-muted);
    font-weight: 700;
}

.demo-bars strong {
    background: linear-gradient(90deg, rgba(23, 100, 216, .14), rgba(18, 128, 92, .1));
    border-left: 6px solid var(--demo-blue);
    border-radius: 8px;
    color: var(--demo-ink);
    padding: .6rem .8rem;
}

.demo-cta {
    margin-top: 1.5rem;
    padding: 1.25rem;
}

.demo-cta p {
    color: var(--demo-muted);
    margin: .25rem 0 0;
}

.demo-cta > div:last-child {
    display: flex;
    flex-wrap: wrap;
    gap: .6rem;
}

@media (max-width: 1000px) {
    .demo-hero,
    .demo-launch-layout,
    .demo-score-layout,
    .demo-answer-strip {
        grid-template-columns: 1fr;
    }

    .demo-grid-3,
    .demo-grid-4 {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .demo-graph {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .demo-scenario-cards {
        grid-template-columns: 1fr;
    }
}

@media (min-width: 1001px) {
    .demo-steps {
        flex-wrap: wrap;
        overflow: visible;
    }

    .demo-steps a {
        flex: 1 1 132px;
        justify-content: center;
    }
}

@media (max-width: 640px) {
    :root {
        --demo-banner-height: 72px;
    }

    .demo-banner {
        align-content: center;
        flex-wrap: wrap;
        font-size: .82rem;
        gap: .2rem .75rem;
        line-height: 1.25;
    }

    .demo-shell {
        padding: 1rem .75rem 2rem;
    }

    .demo-hero {
        min-height: auto;
        padding: 1.25rem;
    }

    .demo-hero__actions,
    .demo-panel-header,
    .demo-cta,
    .demo-question-form,
    .demo-scenario-board,
    .demo-grid-3,
    .demo-grid-4,
    .demo-graph {
        grid-template-columns: 1fr;
    }

    .demo-panel-header,
    .demo-cta {
        align-items: stretch;
    }

    .demo-score-card strong {
        font-size: 3rem;
    }

    .demo-steps {
        margin-left: -.75rem;
        margin-right: -.75rem;
        padding-left: .75rem;
        padding-right: .75rem;
        scroll-padding-inline: .75rem;
    }
}