@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

@media (min-width: 600px) {
    .dashboard-summary {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (min-width: 960px) {
    .public-shell {
        place-items: center;
        padding: 2rem;
    }

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

    .landing-header {
        grid-template-columns: auto 1fr auto;
        align-items: center;
        padding: 1rem 1.2rem;
    }

    .landing-navigation {
        display: flex;
        justify-content: center;
    }

    .landing-actions {
        display: flex;
        justify-content: end;
    }

    .landing-actions > * {
        flex: 0 0 auto;
    }

    .landing-hero {
        grid-template-columns: minmax(0, 1fr) minmax(0, 0.95fr);
        gap: 2rem;
        padding: 4.25rem 2.25rem 3.75rem;
    }

    .landing-hero-actions,
    .landing-product-columns,
    .landing-output-grid,
    .landing-reason-grid,
    .landing-proof-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

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

    .landing-pricing-grid {
        grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
    }

    .landing-pricing-header {
        grid-template-columns: 1fr auto;
        align-items: end;
    }

    .landing-section {
        padding: 4.75rem 2rem;
    }

    .landing-section-grid {
        grid-template-columns: minmax(0, 0.7fr) minmax(0, 1.3fr);
        align-items: start;
        gap: 2rem;
    }

    .landing-section-grid--workflow {
        grid-template-columns: minmax(0, 0.68fr) minmax(0, 1.32fr);
        gap: 2.25rem;
    }

    .landing-hero-points {
        grid-template-columns: repeat(3, minmax(0, 1fr));
        max-width: 70rem;
    }

    .landing-output-grid,
    .landing-reason-grid,
    .landing-proof-grid {
        grid-template-columns: repeat(3, minmax(0, 1fr));
    }

    .landing-cta-card {
        grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
        align-items: center;
        padding: 3rem 2.5rem;
    }

    .landing-contact-section {
        padding-bottom: 4rem;
    }

    .landing-cta-actions {
        align-self: end;
    }

    .sign-in-grid {
        grid-template-columns: 1.1fr 0.9fr;
        gap: 2rem;
    }

    .auth-grid > .sign-in-copy {
        order: 1;
    }

    .auth-grid > .sign-in-form-panel {
        order: 2;
    }

    .sign-in-copy {
        padding: 0 0 0 2rem;
        border-left: 1px solid rgba(195, 142, 56, 0.16);
    }

    .sign-in-copy h1 {
        font-size: clamp(2.8rem, 4vw, 4.4rem);
    }

    .page-actions,
    .action-row,
    .page-header,
    .builder-tree-header,
    .stack-row,
    .stack-row-button,
    .selection-row,
    .total-strip,
    .credential-row {
        flex-direction: row;
    }

    .page-header {
        align-items: end;
        justify-content: space-between;
    }

    .dashboard-summary {
        grid-template-columns: repeat(4, minmax(0, 1fr));
        gap: 0.65rem;
    }

    .dashboard-summary-note {
        font-size: 0.78rem;
    }

    .dashboard-demo-actions {
        display: flex;
        flex-wrap: wrap;
        justify-content: flex-end;
    }

    .dashboard-sections {
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 1.5rem;
    }

    .dashboard-section-header,
    .dashboard-record-top,
    .dashboard-record-end {
        flex-direction: row;
        align-items: center;
        justify-content: space-between;
    }

    .dashboard-demo-band {
        grid-template-columns: minmax(0, 1fr) auto;
        align-items: end;
        gap: 1.5rem;
    }

    .topbar-actions--demo {
        display: flex;
        align-items: center;
        gap: 0.9rem;
    }

    .page-actions > *,
    .action-row > *,
    .topbar-actions > * {
        width: auto;
        flex: 0 0 auto;
    }

    .credential-row {
        align-items: center;
        justify-content: space-between;
    }

    .credential-row > span:first-child {
        min-width: 10rem;
        flex-shrink: 0;
    }

    .app-shell {
        display: grid;
        grid-template-columns: 280px 1fr;
    }

    .navigation-backdrop,
    .navigation-toggle-button,
    .sidebar-close-button {
        display: none;
    }

    .app-sidebar {
        position: sticky;
        top: 0;
        width: auto;
        inset: auto;
        min-height: 100vh;
        padding: 2rem 1.3rem;
        gap: 2rem;
        transform: none;
        visibility: visible;
        pointer-events: auto;
        z-index: auto;
    }

    .app-topbar {
        position: static;
        padding: 1.6rem 2rem 1rem;
        background: rgba(15, 20, 18, 0.55);
        backdrop-filter: blur(14px);
        border-bottom: 1px solid var(--surface-border);
    }

    .topbar-row--secondary {
        padding-top: 0;
        border-top: 0;
    }

    .topbar-actions--desktop-only {
        display: flex;
    }

    .sidebar-sign-out-button {
        display: none;
    }

    .app-content {
        padding: 1.8rem 2rem 2rem;
    }

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

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

    .workspace-split--list-heavy {
        align-items: start;
    }

    .workspace-split--aside {
        align-items: start;
    }

    .two-column-grid.tight {
        gap: 0.8rem;
    }

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

    .billing-plan-grid {
        gap: 1.2rem;
    }

    .content-grid-wide {
        grid-template-columns: repeat(2, minmax(0, 1fr));
        align-items: start;
    }

    .workspace-pane--full {
        grid-column: 1 / -1;
    }

    .landing-trust-strip {
        display: grid;
        grid-template-columns: repeat(3, minmax(0, 1fr));
        gap: 0.9rem;
        margin-top: 1.25rem;
    }

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

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

    .mobile-disclosure {
        margin-bottom: 0;
    }

    .mobile-disclosure > summary {
        display: none;
    }

    .mobile-disclosure > .mobile-disclosure-body {
        display: block;
        padding-top: 0;
    }

    .desktop-only {
        display: block;
    }

    .mobile-only {
        display: none;
    }

    .utility-disclosure > summary {
        min-height: 0;
    }

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

/* At 960–1199px the dashboard uses 2 columns. Pin the activity feed to the right
   column spanning both rows so Proposals and Invoices stack on the left. */
@media (min-width: 960px) and (max-width: 1199px) {
    .dashboard-section--activity {
        grid-column: 2;
        grid-row: 1 / span 2;
    }
}

/* At 1200px+ the sidebar + content area is wide enough for 3-col dashboard
   and for workspace-split min-widths (22rem + 28rem = 800px content needed).
   z-index reference: .landing-grain is 999; modals must use z-index ≥ 1000. */
@media (min-width: 1200px) {
    .dashboard-sections {
        grid-template-columns: minmax(0, 1fr) minmax(0, 1fr) minmax(18rem, 0.9fr);
    }

    .workspace-split {
        grid-template-columns: minmax(0, 0.92fr) minmax(0, 1.08fr);
    }

    .workspace-split--list-heavy {
        grid-template-columns: minmax(22rem, 0.86fr) minmax(28rem, 1.14fr);
    }

    .workspace-split--aside {
        grid-template-columns: minmax(34rem, 1.18fr) minmax(24rem, 0.82fr);
    }

    .content-grid-wide {
        grid-template-columns: minmax(24rem, 0.82fr) minmax(0, 1.18fr);
    }

    .demo-workspace--registry {
        grid-template-columns: minmax(22rem, 0.72fr) minmax(0, 1.28fr);
    }

    .demo-workspace--invoice {
        grid-template-columns: minmax(22rem, 0.74fr) minmax(0, 1.26fr);
    }

    .demo-workspace--proposal {
        grid-template-columns: minmax(23rem, 0.86fr) minmax(0, 1.14fr);
    }

    .demo-workspace--reports {
        grid-template-columns: minmax(24rem, 0.88fr) minmax(18rem, 0.7fr);
    }
}

@media (hover: hover) and (min-width: 960px) {
    .landing-product-frame:hover {
        transform: perspective(1400px) rotateY(-1.5deg) translateY(-3px);
        box-shadow:
            0 0 0 1px rgba(226, 173, 87, 0.08),
            0 35px 80px rgba(0, 0, 0, 0.4),
            0 70px 160px rgba(0, 0, 0, 0.25);
    }
}

@media (max-width: 959px) {
    .public-shell,
    .app-content,
    .app-topbar,
    .print-shell {
        padding-left: 1rem;
        padding-right: 1rem;
    }

    .topbar-title {
        font-size: 1rem;
    }

    .app-topbar {
        align-items: stretch;
    }

    .topbar-row {
        align-items: start;
    }

    .topbar-row--primary {
        gap: 0.75rem;
    }

    .topbar-row--secondary {
        flex-direction: column;
        align-items: stretch;
        gap: 0.65rem;
    }

    .topbar-actions {
        width: 100%;
        justify-content: stretch;
    }

    .topbar-actions--demo {
        display: grid;
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 0.45rem;
    }

    .topbar-actions--demo .topbar-inline-link {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        min-height: 2.6rem;
        padding: 0 0.8rem;
        border-radius: 999px;
        border: 1px solid var(--surface-border);
        background: rgba(255, 255, 255, 0.03);
    }

    .topbar-subtitle {
        display: block;
        max-width: 24ch;
    }

    .topbar-demo-meta {
        justify-content: space-between;
    }

    .topbar-domain {
        display: none;
    }

    .topbar-primary-cta {
        min-width: 0;
        padding-inline: 1rem;
    }

    .panel {
        padding: 1rem 0.95rem;
    }

    .mobile-only {
        display: block;
    }

    .desktop-only {
        display: none;
    }

    .landing-header {
        padding: 0.65rem 0.85rem;
    }

    .landing-actions {
        display: grid;
        grid-template-columns: 1fr;
        width: 100%;
    }

    .landing-actions > * {
        width: 100%;
    }

    .landing-hero {
        padding: 2rem 0.5rem 1.8rem;
    }

    .landing-hero-panel {
        padding: 1rem;
    }

    .landing-hero-copy h1,
    .landing-cta-card h2 {
        max-width: none;
    }

    .landing-section {
        padding: 2.75rem 0.5rem;
    }

    .sign-in-copy h1 {
        font-size: clamp(2.1rem, 10vw, 2.9rem);
    }

    .auth-grid > .sign-in-copy {
        order: 2;
    }

    .auth-grid > .sign-in-form-panel {
        order: 1;
    }

    .page-actions > *,
    .action-row > * {
        width: 100%;
    }

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

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

    .record-card-header,
    .record-card-actions {
        flex-direction: column;
        align-items: start;
    }

    .utility-disclosure > summary {
        align-items: start;
        gap: 1rem;
    }

    .utility-disclosure-action {
        align-self: start;
    }

    .record-meta-grid--compact {
        grid-template-columns: 1fr;
    }

    .mobile-data-card-grid {
        grid-template-columns: 1fr;
    }

    .landing-product-row {
        flex-direction: column;
    }

    .landing-product-tag {
        align-self: start;
    }

    .landing-cta-card {
        padding: 1.75rem 1.15rem;
    }

    .page-actions--tabs {
        display: flex;
        flex-wrap: nowrap;
        gap: 0.65rem;
        overflow-x: auto;
        padding-bottom: 0.1rem;
        -webkit-overflow-scrolling: touch;
    }

    .page-actions--tabs > * {
        width: auto;
        flex: 0 0 auto;
    }

    .segmented-control {
        grid-template-columns: 1fr;
    }

    .panel-header,
    .print-header,
    .print-footer {
        flex-direction: column;
        align-items: start;
    }

    .data-table thead {
        display: none;
    }

    .data-table,
    .data-table tbody,
    .data-table tr,
    .data-table td {
        display: block;
        width: 100%;
    }

    .data-table tbody {
        display: grid;
        gap: 0.85rem;
        padding: 0.85rem;
    }

    .data-table tr {
        padding: 1rem;
        border-radius: var(--radius-medium);
        border: 1px solid var(--surface-border);
        background: rgba(255, 255, 255, 0.03);
    }

    .data-table td {
        padding: 0.55rem 0;
        border-bottom: 0;
        display: grid;
        grid-template-columns: minmax(0, 1fr);
        gap: 0.35rem;
        align-items: start;
    }

    .data-table td::before {
        content: attr(data-label);
        color: var(--text-muted);
        text-transform: uppercase;
        letter-spacing: 0.1em;
        font-size: 0.72rem;
        font-weight: 700;
        line-height: 1.4;
    }

    .data-table td input,
    .data-table td select,
    .data-table td textarea {
        min-width: 0;
    }

    .data-table td[data-label="Action"] {
        grid-template-columns: 1fr;
    }

    .data-table td[data-label="Action"]::before {
        content: none;
    }

    .table-card--listing {
        overflow: visible;
    }

    .data-table--customer-list,
    .data-table--property-list {
        table-layout: auto;
    }

    .print-meta {
        text-align: left;
    }
}

@media (min-width: 1400px) {
    .dashboard-summary {
        grid-template-columns: repeat(auto-fit, minmax(170px, 1fr));
    }
}

@media (min-width: 1800px) {
    .dashboard-summary {
        grid-template-columns: repeat(8, minmax(0, 1fr));
    }
}

/* ===== Upgrade Gate ===== */