/* Keep the portrait app screens together at a readable, natural aspect ratio. */
.case-study--evnerd main .problem-section,
.case-study--evnerd main .charging-cost-section {
    display: grid;
    grid-template-columns: minmax(0, 1fr);
    align-items: start;
    gap: clamp(28px, 3.333vw, 64px);
}

.problem-copy,
.charging-cost-copy {
    min-width: 0;
}

.case-study--evnerd .evnerd-product-gallery {
    grid-template-columns: repeat(3, minmax(0, 300px));
    justify-content: center;
    gap: 28px;
    margin-top: 0;
    width: 100%;
    max-width: 956px;
    margin-inline: auto;
}

.case-study--evnerd .evnerd-product-gallery--rates {
    grid-template-columns: repeat(2, minmax(0, 300px));
    max-width: 628px;
}

.evnerd-product-gallery .project-screenshot__image {
    padding: 12px;
}

/* Ev Nerd's automation section follows the supplied 1920px layout reference. */
.case-study--evnerd main .automation-section {
    display: grid;
    grid-template-columns: minmax(0, 1.35fr) minmax(0, 1fr);
    align-items: stretch;
    gap: clamp(28px, 3.333vw, 64px);
    padding-block: 32px;
}

.automation-copy {
    min-width: 0;
    padding-block: 16px;
}

.automation-copy .case-copy {
    max-width: none;
}

.automation-diagram {
    min-height: clamp(420px, 36.5vw, 700px);
}

/* Match the Dataflow component map's surfaces, boundaries and typography. */
.case-study--evnerd .engineering-diagram > h3 {
    margin: 0 0 8px;
}
.case-study .ev-system__eyebrow {
    margin: 0 0 24px;
    color: var(--accent);
    font-family: var(--heading-font);
    font-size: 0.875rem;
    letter-spacing: 0.12em;
    text-transform: uppercase;
}
.ev-system__pair {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px;
}
.ev-system__node > div {
    min-width: 0;
}
.ev-system__node div > span {
    display: block;
    color: var(--text-muted);
    font-size: 0.9375rem;
    line-height: 1.5;
}
.ev-system__connection {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding-block: 10px;
    color: var(--text-muted);
    font-size: 0.875rem;
    text-align: center;
}
.ev-system__connection > span {
    color: var(--accent);
    font-size: 1.25rem;
}
.ev-system__boundary-heading {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
    margin-bottom: 16px;
    font-family: var(--heading-font);
    font-size: 0.875rem;
}
.ev-system__boundary-heading strong {
    font-weight: 500;
}
.ev-system__boundary-heading > span {
    color: var(--text-muted);
    font-family: var(--body-font);
    font-size: 0.8125rem;
}
.ev-system__client {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 72px minmax(0, 1fr);
    gap: 12px;
}
.ev-system__local-link {
    display: grid;
    align-content: center;
    gap: 4px;
    color: var(--text-muted);
    font-size: 0.75rem;
    text-align: center;
}
.ev-system__local-arrow {
    color: var(--accent);
    font-size: 1.5rem;
}
.engineering-diagram.automation-diagram figcaption {
    font-size: 0.875rem;
}

@container (max-width: 500px) {
    .ev-system__node {
        flex-direction: column;
        align-items: start;
        gap: 8px;
        padding: 12px;
    }
    .ev-system__pair {
        gap: 12px;
    }
    .ev-system__client {
        grid-template-columns: minmax(0, 1fr);
        gap: 8px;
    }
    .ev-system__local-arrow {
        font-size: 0;
    }
    .ev-system__local-arrow::before {
        content: "↕";
        font-size: 1.5rem;
    }
    .ev-system__network {
        flex-direction: column;
        gap: 0;
    }
}

@media (max-width: 1180px) {
    .case-study--evnerd main .automation-section {
        grid-template-columns: minmax(0, 1fr);
        gap: 28px;
    }

    .automation-copy {
        padding-block: 0;
    }

    .automation-diagram {
        min-height: 0;
    }
}

/* Conditional refresh paths within the device's local-first read architecture. */
.case-study--evnerd main .local-first-section {
    display: grid;
    grid-template-columns: minmax(0, 1fr);
    align-items: start;
    gap: 40px;
}
.local-first-copy {
    min-width: 0;
}
.local-first-section .local-first-diagrams {
    margin-top: 0;
}
.local-first-diagrams {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 680px));
    align-items: start;
    justify-content: center;
    gap: 24px;
    margin-top: 28px;
    width: 100%;
    max-width: 1384px;
    margin-inline: auto;
}
.engineering-diagram.local-read-architecture,
.engineering-diagram.local-write-architecture {
    width: 100%;
    max-width: 680px;
    justify-self: start;
}
.local-read-architecture .ev-system__node,
.local-write-architecture .ev-system__node {
    padding: 10px 14px;
}
.local-read__network,
.local-read__access,
.local-read__app-exchange,
.local-write__app-exchange {
    position: relative;
    height: 52px;
}
.local-read__access {
    height: 56px;
}
.local-read__wires,
.local-write__wires {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    color: var(--accent);
    overflow: visible;
    pointer-events: none;
}
.local-read__wires path,
.local-write__wires path {
    stroke-width: 1.6;
}
.local-read__wires > path,
.local-write__wires > path {
    vector-effect: non-scaling-stroke;
}
.local-read__label {
    position: absolute;
    color: var(--text-muted);
    font-size: 0.8125rem;
    line-height: 1.5;
}
.local-read__label > * {
    display: block;
}
.local-read__label strong {
    color: var(--text);
    font-weight: 500;
}
.local-read__request {
    top: 10px;
    right: 42%;
}
.local-read__response {
    top: 10px;
    right: 14%;
}
.local-read__service {
    padding: 12px;
    border: 1px solid var(--border);
    border-radius: 8px;
    background: rgba(8, 14, 20, 0.35);
}
.local-read__service .ev-system__boundary-heading {
    margin-bottom: 12px;
}
.local-read__local {
    border-color: rgba(110, 218, 204, 0.25);
    background: linear-gradient(135deg, rgba(110, 218, 204, 0.09), rgba(110, 218, 204, 0.04));
}
.local-read__stale,
.local-write__queue {
    border-color: rgba(183, 140, 255, 0.25);
    background: var(--accent-soft);
}
.local-read__cache {
    top: 9px;
    right: 66%;
}
.local-read__merge {
    top: 9px;
    right: 14%;
}
.local-read__data {
    padding: 10px;
    border: 1px solid var(--border);
    border-radius: 8px;
    background: rgba(8, 14, 20, 0.35);
}
.local-read__data .ev-system__connection {
    padding-block: 8px;
}
.local-read__query {
    top: 16px;
    right: 63%;
}
.local-read__return {
    top: 6px;
    left: 49%;
}
.engineering-diagram.local-read-architecture figcaption,
.engineering-diagram.local-write-architecture figcaption {
    font-size: 0.8125rem;
}
.case-study .local-read-architecture figcaption p,
.case-study .local-write-architecture figcaption p {
    margin: 0;
    font-size: inherit;
    line-height: 1.5;
}
.case-study .local-read-architecture figcaption p + p,
.case-study .local-write-architecture figcaption p + p {
    margin-top: 6px;
}

/* Local-first writes: durable pending work and local publication remain separate from upload. */
.local-write__server-store {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 36px minmax(0, 1fr);
    align-items: center;
    gap: 8px;
}
.local-write__service .ev-system__boundary-heading {
    margin-bottom: 0;
}
.local-write__durable .ev-system__boundary-heading {
    margin-bottom: 12px;
}
.local-write__durable .ev-system__node {
    align-items: start;
}
.local-write__queue > div {
    width: 100%;
}
.local-write__queue-items {
    display: grid;
    gap: 4px;
    margin: 10px 0 0;
    padding: 0;
    list-style: none;
}
.local-write__queue-items li {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 2px 8px;
    border: 1px solid rgba(183, 140, 255, 0.2);
    border-radius: 4px;
    background: var(--surface);
    color: var(--text-muted);
    font-size: 0.75rem;
    line-height: 1.5;
}
.local-write__queue-items li:first-child {
    border-color: var(--accent);
    color: var(--text);
}
.local-write__queue-items li > span:first-child {
    color: var(--accent);
    font-family: var(--heading-font);
}
.local-write__sessions {
    background: linear-gradient(135deg, rgba(110, 218, 204, 0.06), rgba(110, 218, 204, 0.02));
    border-color: rgba(110, 218, 204, 0.2);
}
.case-study .local-write__sessions p {
    margin: 12px 0 0;
    color: var(--text-muted);
    font-size: 0.8125rem;
    line-height: 1.5;
}
.local-write__local-interface {
    position: relative;
}
.local-write__published {
    margin-left: 44px;
}
.local-write__published .ev-system__connection {
    padding-block: 8px;
}
.local-write__save {
    top: 16px;
    left: 6%;
}
.local-write__saved {
    top: 6px;
    left: 64%;
}

.local-first-diagrams .ev-system__connection > span svg,
.local-first-diagrams .ev-system__local-arrow svg {
    display: block;
    color: var(--accent);
    stroke-width: 1.6;
}
.local-first-diagrams .ev-system__local-arrow svg {
    margin-inline: auto;
}
.local-first-diagrams .ev-system__local-arrow::before {
    content: none;
}

/* Let connector labels determine row height inside narrow diagram cards. */
@container (max-width: 500px) {
    .local-read__network,
    .local-read__access,
    .local-read__app-exchange {
        display: grid;
        grid-template-columns: 42% 42%;
        column-gap: 10%;
        align-items: center;
        height: auto;
        min-height: 76px;
        padding-block: 10px;
    }

    .local-read__network .local-read__label,
    .local-read__access .local-read__label,
    .local-read__app-exchange .local-read__label,
    .local-write__app-exchange .local-read__label {
        position: static;
        min-width: 0;
        font-size: 0.75rem;
    }

    .local-read__app-exchange {
        grid-template-columns: 42% 43%;
        column-gap: 15%;
    }

    .local-write__app-exchange {
        display: grid;
        grid-template-columns: 46% 36%;
        column-gap: 18%;
        align-items: center;
        height: auto;
        min-height: 76px;
        padding-block: 10px;
    }

    .local-write__save {
        padding-left: 13%;
    }
}
@media (max-width: 1600px) {
    .case-study--evnerd main .local-first-section {
        gap: 28px;
    }
}

.problem-copy,
.charging-cost-copy,
.local-first-copy {
    max-width: 88ch;
}
@media (max-width: 620px) {
    .ev-system__boundary {
        padding: 12px;
    }
    .ev-system__boundary-heading {
        margin-bottom: 12px;
    }
    .local-first-diagrams .ev-system__node {
        padding: 9px 10px;
        flex-direction: row;
        align-items: center;
        gap: 8px;
    }
    .local-first-diagrams .ev-system__node strong {
        font-size: 0.9375rem;
    }
    .local-first-diagrams .ev-system__node div > span {
        font-size: 0.8125rem;
    }
    .local-read__network,
    .local-read__access,
    .local-read__app-exchange,
    .local-write__app-exchange {
        min-height: 64px;
        padding-block: 8px;
    }
    .case-study--evnerd .evnerd-product-gallery,
    .case-study--evnerd .local-first-diagrams {
        display: grid;
        grid-template-columns: none;
        grid-auto-flow: column;
        grid-auto-columns: min(300px, calc(100% - 28px));
        justify-content: start;
        align-items: start;
        gap: 14px;
        overflow-x: auto;
        overscroll-behavior-x: contain;
        scroll-snap-type: x mandatory;
        scrollbar-width: none;
        padding-bottom: 0;
    }
    .case-study--evnerd .local-first-diagrams {
        grid-auto-columns: calc(100% - 28px);
    }
    .evnerd-product-gallery > figure,
    .local-first-diagrams > figure {
        scroll-snap-align: start;
    }
}

/* Hide scrollbar chrome; the adjacent image indicates more content. */
@media (max-width: 620px) {
    .evnerd-product-gallery::-webkit-scrollbar,
    .local-first-diagrams::-webkit-scrollbar {
        display: none;
    }
}
@media (min-width: 621px) and (max-width: 1180px) {
    .case-study--evnerd .local-first-diagrams {
        grid-template-columns: none;
        grid-auto-flow: column;
        grid-auto-columns: min(680px, calc(100% - 28px));
        justify-content: start;
        gap: 24px;
        overflow-x: auto;
        overscroll-behavior-x: contain;
        scroll-snap-type: x mandatory;
        scrollbar-width: none;
    }
    .local-first-diagrams::-webkit-scrollbar {
        display: none;
    }
    .local-first-diagrams > figure {
        scroll-snap-align: start;
    }
}
/* Prose uses the section width when its figures sit underneath it. */
@media (min-width: 1181px) {
    .case-study--evnerd .problem-copy,
    .case-study--evnerd .charging-cost-copy,
    .case-study--evnerd .local-first-copy,
    .case-study--evnerd :is(.problem-copy, .charging-cost-copy, .local-first-copy) .case-copy,
    .case-study--evnerd .closing > *,
    .case-study--evnerd .closing p {
        max-width: none;
    }
}
/* Diagram exploration shares the site styles while retaining its original proportions. */
.local-first-preview {
    --page-gutter: clamp(20px, 2.5vw, 64px);
}
.local-first-preview .page-container {
    max-width: none;
}
.local-first-preview .engineering-diagram {
    padding: clamp(18px, 2vw, 28px);
}
.local-first-preview .engineering-diagram > h3 {
    margin: 0 0 24px;
    font-size: 1.25rem;
}
.local-first-preview .engineering-diagram figcaption {
    margin-top: 16px;
}
.local-first-preview .ev-system__eyebrow {
    margin-bottom: 8px;
}
@media (max-width: 620px) {
    .local-first-preview .ev-system__boundary {
        padding: 16px;
    }
    .local-first-preview .ev-system__boundary-heading {
        margin-bottom: 16px;
    }
}

/* Matching read/write architecture boundaries; the overall system map is unchanged. */
.local-first-preview.case-study .diagram-version-title {
    margin: 28px 0 0;
    padding-bottom: 12px;
    border-bottom: 1px solid #fff;
    color: var(--text);
    font-family: var(--heading-font);
    font-size: 1.5rem;
    font-weight: 500;
    text-align: left;
}
.local-first-preview .local-first-preview__diagrams {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 24px;
    margin-top: 28px;
}
/* V2 read-only variation: same components, with the supplied alternative frame. */
.local-first-preview .local-first-preview__diagrams--v2 {
    align-items: start;
}
.local-first-preview .read-v2__exchange {
    position: relative;
    height: 220px;
}
.local-first-preview .read-v2__fragment {
    position: absolute;
    inset: 34px 20% 24px 4%;
    border: 1px solid var(--accent);
    border-radius: 8px;
    background: rgba(8, 14, 20, 0.35);
}
.local-first-preview .read-v2__alt {
    position: absolute;
    top: -15px;
    left: -1px;
    z-index: 3;
    padding: 2px 12px;
    border: 1px solid var(--accent);
    border-radius: 4px;
    color: var(--text);
    background: var(--surface);
    font-family: var(--heading-font);
    font-size: 0.875rem;
    font-weight: 600;
}
.local-first-preview .read-v2__conditions {
    position: absolute;
    inset: -12px 0 auto 0;
    z-index: 3;
    display: grid;
    grid-template-columns: 62% 38%;
    padding-left: 52px;
    color: var(--text-muted);
    font-size: 0.8125rem;
    line-height: 1.5;
}
.local-first-preview .read-v2__conditions > span {
    width: fit-content;
    padding-inline: 8px;
    background: var(--surface);
}
.local-first-preview .read-v2__divider {
    position: absolute;
    inset: 0 auto 0 62%;
    border-left: 1px dashed var(--accent);
}
.local-first-preview .read-v2__check {
    position: absolute;
    inset: 48% 0 auto 16px;
    display: flex;
    align-items: center;
    gap: 12px;
    color: var(--accent);
    font-size: 0.875rem;
    line-height: 1.5;
}
.local-first-preview .read-v2__check > span:first-child {
    position: relative;
    z-index: 3;
    background: var(--surface);
}
.local-first-preview .read-v2__check-line {
    flex: 1;
    border-top: 1px solid var(--border);
}
.local-first-preview .read-v2__wires,
.local-first-preview .read-v3__wires,
.local-first-preview .read-v4__wires {
    position: absolute;
    inset: 0;
    z-index: 2;
    width: 100%;
    height: 100%;
    color: var(--accent);
    pointer-events: none;
}
.local-first-preview .read-v2__wires path {
    stroke-width: 1.6;
}
.local-first-preview .read-v2__wires > path {
    vector-effect: non-scaling-stroke;
}
.local-first-preview .engineering-diagram.read-architecture-v2 figcaption {
    font-size: 0.875rem;
}
@container (max-width: 500px) {
    .local-first-preview .read-architecture-v2 .ev-system__pair {
        grid-template-columns: minmax(0, 1fr);
    }
    .local-first-preview .read-v2__exchange {
        height: 250px;
    }
    .local-first-preview .read-v2__fragment {
        left: 0;
        right: 0;
    }
    .local-first-preview .read-v2__conditions {
        padding-left: 44px;
    }
    .local-first-preview .read-v2__conditions > span {
        padding-inline: 4px;
    }
    .local-first-preview .read-v2__check {
        left: 12px;
        gap: 8px;
        font-size: 0.8125rem;
    }
}
/* V3 read-only variation, composed for a 1920 × 1080 browser. */
.local-first-preview .local-first-preview__diagrams--v3 {
    align-items: start;
}
.local-first-preview .read-v3__network,
.local-first-preview .read-v3__merge,
.local-first-preview .read-v3__local-exchange {
    position: relative;
}
.local-first-preview .read-v3__network {
    height: 56px;
}
.local-first-preview .read-v3__merge {
    height: 56px;
}
.local-first-preview .read-v3__local-exchange {
    height: 60px;
}
.local-first-preview .read-v3__network .read-v3__wires {
    height: 90px;
}
.local-first-preview .read-v3__wires path {
    stroke-width: 1.6;
}
.local-first-preview .read-v3__wires > path {
    vector-effect: non-scaling-stroke;
}
.local-first-preview .read-v3__request,
.local-first-preview .read-v3__updated,
.local-first-preview .read-v3__merge-label,
.local-first-preview .read-v3__use-local,
.local-first-preview .read-v3__query,
.local-first-preview .read-v3__return,
.local-first-preview .read-v4__request,
.local-first-preview .read-v4__updated,
.local-first-preview .read-v4__merge-label,
.local-first-preview .read-v4__use-local,
.local-first-preview .read-v4__query,
.local-first-preview .read-v4__return,
.local-first-preview .read-v5__label {
    position: absolute;
    color: var(--text-muted);
    font-size: 0.8125rem;
    line-height: 1.5;
}
.local-first-preview .read-v3__request,
.local-first-preview .read-v4__request {
    top: 4px;
    right: 41.5%;
}
.local-first-preview .read-v3__request strong,
.local-first-preview .read-v3__updated strong,
.local-first-preview .read-v3__merge-label strong,
.local-first-preview .read-v3__use-local strong,
.local-first-preview .read-v4__request strong,
.local-first-preview .read-v4__updated strong,
.local-first-preview .read-v4__merge-label strong,
.local-first-preview .read-v4__use-local strong,
.local-first-preview .read-v5__label strong {
    color: var(--text);
    font-weight: 500;
}
.local-first-preview .read-v3__request > *,
.local-first-preview .read-v3__updated > *,
.local-first-preview .read-v3__merge-label > *,
.local-first-preview .read-v3__return > * {
    display: block;
}
.local-first-preview .read-v3__updated,
.local-first-preview .read-v4__updated {
    top: 4px;
    right: 14%;
    white-space: nowrap;
}
.local-first-preview .read-v3__merge-label,
.local-first-preview .read-v4__merge-label {
    top: 9px;
    right: 14%;
    white-space: nowrap;
}
.local-first-preview .read-v3__use-local,
.local-first-preview .read-v4__use-local {
    top: 9px;
    right: 64%;
    white-space: nowrap;
}
.local-first-preview .read-v3__query,
.local-first-preview .read-v4__query {
    top: 20px;
    right: 59%;
}
.local-first-preview .read-v3__return,
.local-first-preview .read-v4__return {
    top: 10px;
    left: 49%;
    text-align: center;
}
.local-first-preview .read-v3__local,
.local-first-preview .read-v4__local,
.local-first-preview .read-v5__local {
    border-color: rgba(110, 218, 204, 0.25);
    background: linear-gradient(135deg, rgba(110, 218, 204, 0.09), rgba(110, 218, 204, 0.04));
}
.local-first-preview .read-v3__stale,
.local-first-preview .read-v4__stale,
.local-first-preview .read-v5__stale,
.local-first-preview .write-v5__queue {
    border-color: rgba(183, 140, 255, 0.25);
    background: var(--accent-soft);
}
.local-first-preview .engineering-diagram.read-architecture-v3 figcaption {
    font-size: 0.875rem;
}
/* V4 read-only variation, composed for a 1920 × 1080 browser. */
.local-first-preview .local-first-preview__diagrams--v4 {
    align-items: start;
}
.local-first-preview .engineering-diagram.read-architecture-v4 {
    width: 100%;
    max-width: 570px;
    justify-self: start;
}
.local-first-preview .read-v4__network,
.local-first-preview .read-v4__merge,
.local-first-preview .read-v4__local-exchange {
    position: relative;
}
.local-first-preview .read-v4__network {
    height: 56px;
}
.local-first-preview .read-v4__merge {
    height: 56px;
}
.local-first-preview .read-v4__local-exchange {
    height: 60px;
}
.local-first-preview .read-v4__network .read-v4__wires {
    height: 90px;
}
.local-first-preview .read-v4__wires path {
    stroke-width: 1.6;
}
.local-first-preview .read-v4__wires > path {
    vector-effect: non-scaling-stroke;
}
/* Arrowheads keep V2's open shape, independent of connector width or height. */
.local-first-preview .read-v2__wires,
.local-first-preview .read-v3__wires,
.local-first-preview .read-v4__wires {
    overflow: visible;
}
.local-first-preview .local-first-diagram .local-first-diagram__line {
    height: 24px;
    background: none;
}
.local-first-preview .local-first-diagram__line svg {
    width: 100%;
    height: 24px;
}
.local-first-preview .local-first-diagram__line svg,
.local-first-preview .ev-system__connection > span svg,
.local-first-preview .ev-system__local-arrow svg {
    display: block;
    color: var(--accent);
    stroke-width: 1.6;
}
.local-first-preview .ev-system__local-arrow svg {
    margin-inline: auto;
}
.local-first-preview .read-v4__request > *,
.local-first-preview .read-v4__updated > *,
.local-first-preview .read-v4__merge-label > *,
.local-first-preview .read-v4__return > * {
    display: block;
}
.local-first-preview .engineering-diagram.read-architecture-v4 figcaption {
    font-size: 0.875rem;
}
/* V5: conditional refresh paths within the device's local-first read architecture. */
.local-first-preview .local-first-preview__diagrams--v5 {
    grid-template-columns: repeat(2, minmax(0, 680px));
    align-items: start;
    justify-content: start;
}
.local-first-preview .engineering-diagram.read-architecture-v5,
.local-first-preview .engineering-diagram.write-architecture-v5 {
    width: 100%;
    max-width: 680px;
    justify-self: start;
}
.local-first-preview .read-architecture-v5 .ev-system__node {
    padding: 10px 14px;
}
.local-first-preview .read-v5__network,
.local-first-preview .read-v5__access,
.local-first-preview .read-v5__app-exchange,
.local-first-preview .write-v5__app-exchange {
    position: relative;
    height: 52px;
}
.local-first-preview .read-v5__access {
    height: 56px;
}
.local-first-preview .read-v5__wires,
.local-first-preview .write-v5__wires {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    color: var(--accent);
    overflow: visible;
    pointer-events: none;
}
.local-first-preview .read-v5__wires path {
    stroke-width: 1.6;
}
.local-first-preview .read-v5__wires > path {
    vector-effect: non-scaling-stroke;
}
.local-first-preview .read-v5__label > * {
    display: block;
}
.local-first-preview .read-v5__request {
    top: 10px;
    right: 42%;
}
.local-first-preview .read-v5__response {
    top: 10px;
    right: 14%;
}
.local-first-preview .read-v5__service {
    padding: 12px;
    border: 1px solid var(--border);
    border-radius: 8px;
    background: rgba(8, 14, 20, 0.35);
}
.local-first-preview .read-v5__service .ev-system__boundary-heading {
    margin-bottom: 12px;
}
.local-first-preview .read-v5__cache {
    top: 9px;
    right: 66%;
}
.local-first-preview .read-v5__merge {
    top: 9px;
    right: 14%;
}
.local-first-preview .read-v5__data {
    padding: 10px;
    border: 1px solid var(--border);
    border-radius: 8px;
    background: rgba(8, 14, 20, 0.35);
}
.local-first-preview .read-v5__data .ev-system__connection {
    padding-block: 8px;
}
.local-first-preview .read-v5__query {
    top: 16px;
    right: 63%;
}
.local-first-preview .read-v5__return {
    top: 6px;
    left: 49%;
}
.local-first-preview .engineering-diagram.read-architecture-v5 figcaption {
    font-size: 0.8125rem;
}
.local-first-preview.case-study .read-architecture-v5 figcaption p,
.local-first-preview.case-study .write-architecture-v5 figcaption p {
    margin: 0;
    font-size: inherit;
    line-height: 1.5;
}
.local-first-preview.case-study .read-architecture-v5 figcaption p + p {
    margin-top: 6px;
}
/* V5 writes: durable pending work and local publication remain separate from upload. */
.local-first-preview .write-architecture-v5 .ev-system__node {
    padding: 10px 14px;
}
.local-first-preview .write-v5__server-store {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 36px minmax(0, 1fr);
    align-items: center;
    gap: 8px;
}
.local-first-preview .write-v5__wires path {
    stroke-width: 1.6;
}
.local-first-preview .write-v5__wires > path {
    vector-effect: non-scaling-stroke;
}
.local-first-preview .write-v5__service .ev-system__boundary-heading {
    margin-bottom: 0;
}
.local-first-preview .write-v5__durable .ev-system__boundary-heading {
    margin-bottom: 12px;
}
.local-first-preview .write-v5__durable .ev-system__node {
    align-items: start;
}
.local-first-preview .write-v5__queue > div {
    width: 100%;
}
.local-first-preview .write-v5__queue-items {
    display: grid;
    gap: 4px;
    margin: 10px 0 0;
    padding: 0;
    list-style: none;
}
.local-first-preview .write-v5__queue-items li {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 2px 8px;
    border: 1px solid rgba(183, 140, 255, 0.2);
    border-radius: 4px;
    background: var(--surface);
    color: var(--text-muted);
    font-size: 0.75rem;
    line-height: 1.5;
}
.local-first-preview .write-v5__queue-items li:first-child {
    border-color: var(--accent);
    color: var(--text);
}
.local-first-preview .write-v5__queue-items li > span:first-child {
    color: var(--accent);
    font-family: var(--heading-font);
}
.local-first-preview .write-v5__sessions {
    background: linear-gradient(135deg, rgba(110, 218, 204, 0.06), rgba(110, 218, 204, 0.02));
    border-color: rgba(110, 218, 204, 0.2);
}
.local-first-preview.case-study .write-v5__sessions p {
    margin: 12px 0 0;
    color: var(--text-muted);
    font-size: 0.8125rem;
    line-height: 1.5;
}
.local-first-preview .write-v5__local-interface {
    position: relative;
}
.local-first-preview .write-v5__published {
    margin-left: 44px;
}
.local-first-preview .write-v5__published .ev-system__connection {
    padding-block: 8px;
}
.local-first-preview .write-v5__save {
    top: 16px;
    left: 6%;
}
.local-first-preview .write-v5__saved {
    top: 6px;
    left: 64%;
}
.local-first-preview .engineering-diagram.write-architecture-v5 figcaption {
    font-size: 0.8125rem;
}
.local-first-preview.case-study .write-architecture-v5 figcaption p + p {
    margin-top: 6px;
}
.local-first-preview .engineering-diagram.local-first-diagram {
    padding: 20px;
}
.local-first-preview .local-first-diagram__layout {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 104px minmax(0, 1fr);
    align-items: stretch;
    gap: 12px;
}
.local-first-preview .local-first-diagram__layout > .ev-system__boundary {
    display: flex;
    flex-direction: column;
    min-width: 0;
    padding: 12px;
}
.local-first-preview .local-first-diagram__branches {
    grid-template-columns: minmax(0, 1fr);
    margin-top: 12px;
    gap: 12px;
}
.local-first-preview .local-first-diagram__branches--first {
    margin-top: 0;
}
.local-first-preview .local-first-diagram__branches .ev-system__node {
    align-items: start;
}
.local-first-preview.case-study .local-first-diagram__note {
    margin: auto 0 0;
    padding-top: 20px;
    color: var(--text-muted);
    font-size: 0.8125rem;
}
.local-first-preview .local-first-diagram__exchange {
    display: grid;
    align-self: center;
    gap: 32px;
    color: var(--text-muted);
    font-size: 0.8125rem;
    line-height: 1.5;
    text-align: center;
}
.local-first-preview .local-first-diagram__relationship {
    display: grid;
    gap: 12px;
}
.local-first-preview .local-first-diagram__line {
    position: relative;
    display: block;
    height: 1px;
    background: var(--accent);
}
.local-first-preview .engineering-diagram.local-first-diagram figcaption {
    font-size: 0.875rem;
}
@media (max-width: 1180px) {
    .local-first-preview .local-first-preview__diagrams {
        grid-template-columns: minmax(0, 1fr);
    }
}
@container (max-width: 800px) {
    .local-first-preview .local-first-diagram .ev-system__node {
        flex-direction: column;
        align-items: start;
        gap: 8px;
        padding: 12px;
    }
    .local-first-preview .local-first-diagram .ev-system__boundary-heading {
        align-items: start;
    }
    .local-first-preview .local-first-diagram .ev-system__connection {
        font-size: 0.8125rem;
    }
}
@container (max-width: 600px) {
    .local-first-preview .local-first-diagram__layout {
        grid-template-columns: minmax(0, 1fr);
    }
    .local-first-preview .local-first-diagram__exchange {
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 24px;
    }
    .local-first-preview .local-first-diagram__line {
        width: 1px;
        height: 24px;
        margin-inline: auto;
    }
}
@container (max-width: 500px) {
    .local-first-preview .local-first-diagram__exchange {
        gap: 12px;
        font-size: 0.8125rem;
    }
    .local-first-preview .local-first-diagram__layout > .ev-system__boundary {
        padding: 12px;
    }
    .local-first-preview .local-first-diagram .ev-system__connection {
        font-size: 0.8125rem;
    }
}