body.build-page {
    background: var(--color-bg);
}

.build-skip-link {
    position: fixed;
    top: -80px;
    left: 16px;
    z-index: 10000;
    padding: 10px 14px;
    background: var(--color-heading);
    color: #ffffff;
    border-radius: var(--radius-sm);
    font-weight: 600;
}

.build-skip-link:focus {
    top: 88px;
    color: #ffffff;
}

.build-page a:focus-visible,
.build-page button:focus-visible,
.build-page summary:focus-visible {
    outline: 2px solid var(--color-primary);
    outline-offset: 3px;
}

.build-page .site-nav .nav-link.active {
    color: var(--color-heading) !important;
    background: var(--color-primary-soft);
}

/* ── Hero ─────────────────────────────────────────────────────────── */

.build-hero {
    padding: 72px 0 58px;
    background: linear-gradient(180deg, #f8faff 0%, #ffffff 100%);
    border-bottom: 1px solid var(--color-border);
}

.build-hero-copy {
    max-width: 920px;
}

.build-hero h1 {
    max-width: 760px;
    margin: 0 0 16px;
    font-size: 3rem;
    font-weight: 800;
    letter-spacing: 0;
    color: var(--color-heading);
}

.build-hero p {
    max-width: 820px;
    color: var(--color-text);
    font-size: 1.02rem;
    line-height: 1.8;
}

.build-hero-subtitle {
    color: var(--color-primary) !important;
    font-size: 1.16rem !important;
    font-weight: 600;
    line-height: 1.6 !important;
    margin-bottom: 18px;
}

.build-stat-row {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 24px;
}

.build-stat-row span {
    display: inline-flex;
    align-items: center;
    min-height: 38px;
    padding: 8px 14px;
    background: #ffffff;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-pill);
    color: var(--color-heading);
    font-size: 0.88rem;
    font-weight: 600;
    box-shadow: var(--shadow-sm);
}

/* ── Layout ───────────────────────────────────────────────────────── */

.build-main {
    background: var(--color-bg);
}

.build-layout {
    display: grid;
    grid-template-columns: 238px minmax(0, 1fr);
    gap: 54px;
    align-items: start;
    padding-top: 54px;
    padding-bottom: 72px;
}

.build-toc {
    position: sticky;
    top: 98px;
    padding: 4px 0 4px 18px;
    border-left: 2px solid var(--color-border);
}

.build-toc-label {
    margin: 0 0 12px;
    color: var(--color-primary);
    font-family: 'JetBrains Mono', 'SF Mono', Menlo, monospace;
    font-size: 0.76rem;
    font-weight: 600;
    letter-spacing: 0;
    text-transform: uppercase;
}

.build-toc nav {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.build-toc a {
    display: block;
    padding: 7px 10px;
    border-radius: var(--radius-sm);
    color: var(--color-text-muted);
    font-size: 0.9rem;
    font-weight: 600;
    line-height: 1.4;
}

.build-toc a:hover,
.build-toc a:focus {
    color: var(--color-heading);
    background: var(--color-primary-soft);
}

.build-content {
    min-width: 0;
    max-width: 900px;
}

.build-section {
    padding: 0 0 54px;
    margin-bottom: 54px;
    border-bottom: 1px solid var(--color-border);
    scroll-margin-top: 98px;
}

.build-section-final {
    padding-bottom: 0;
    margin-bottom: 0;
    border-bottom: 0;
}

.build-section h2 {
    margin: 0 0 18px;
    font-size: 2rem;
    font-weight: 800;
    letter-spacing: 0;
    color: var(--color-heading);
}

.build-section h3 {
    margin: 34px 0 12px;
    font-size: 1.18rem;
    font-weight: 700;
    letter-spacing: 0;
    color: var(--color-heading);
}

.build-section p,
.build-section li {
    color: var(--color-text);
    font-size: 1rem;
    line-height: 1.78;
}

.build-section p {
    margin: 0 0 18px;
}

.build-section ul,
.build-section ol {
    margin: 0 0 22px;
    padding-left: 22px;
}

.build-section li {
    padding-left: 4px;
    margin-bottom: 10px;
}

.build-section li::marker {
    color: var(--color-primary);
    font-weight: 700;
}

.build-lede {
    font-size: 1.05rem !important;
}

.build-plain-label {
    margin-top: 8px !important;
}

/* ── Cards & grids ────────────────────────────────────────────────── */

.build-card-grid {
    display: grid;
    gap: 16px;
    margin: 8px 0 24px;
}

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

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

.build-card {
    padding: 20px 22px;
    background: #ffffff;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
}

.build-card-title {
    margin: 0 0 10px !important;
    font-size: 1.05rem !important;
}

.build-card p:last-child,
.build-card ul:last-child {
    margin-bottom: 0;
}

.build-card ul {
    margin-bottom: 0;
    padding-left: 18px;
}

.build-card li {
    margin-bottom: 6px;
    font-size: 0.94rem;
}

/* ── Comparison ───────────────────────────────────────────────────── */

.build-compare {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px;
    margin: 20px 0 24px;
}

.build-compare-card {
    padding: 22px 24px;
    background: #ffffff;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
}

.build-compare-card-current {
    border-color: var(--color-primary);
    background: linear-gradient(180deg, #f8faff 0%, #ffffff 70%);
    box-shadow: 0 0 0 1px rgba(37, 99, 235, 0.12), var(--shadow-sm);
}

.build-compare-card h3 {
    margin: 0 0 14px !important;
    font-size: 1.08rem !important;
}

.build-compare-card ul {
    margin: 0;
    padding-left: 18px;
}

.build-compare-card li {
    margin-bottom: 8px;
    font-size: 0.95rem;
}

/* ── Callouts ─────────────────────────────────────────────────────── */

.build-callout {
    margin: 18px 0 24px;
    padding: 16px 18px;
    background: var(--color-bg-muted);
    border: 1px solid var(--color-border);
    border-left: 4px solid var(--color-primary);
    border-radius: var(--radius-sm);
}

.build-callout p {
    margin: 0 !important;
}

.build-callout-info {
    border-left-color: var(--color-primary);
    background: var(--color-primary-soft);
}

.build-callout-warn {
    border-left-color: #b45309;
    background: #fffbeb;
}

.build-callout-warn ul {
    margin: 10px 0 0;
}

.build-tight-list {
    margin: 10px 0 0 !important;
    padding-left: 18px !important;
}

.build-tight-list li {
    margin-bottom: 6px !important;
}

/* ── Progressive disclosure ───────────────────────────────────────── */

.build-tech-details {
    margin: 16px 0 24px;
    padding: 0;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    background: #ffffff;
    box-shadow: var(--shadow-sm);
    overflow: hidden;
}

.build-tech-details summary {
    cursor: pointer;
    list-style: none;
    padding: 14px 18px;
    font-weight: 700;
    color: var(--color-heading);
    background: var(--color-bg-muted);
    border-bottom: 1px solid transparent;
}

.build-tech-details summary::-webkit-details-marker {
    display: none;
}

.build-tech-details summary::before {
    content: "+ ";
    color: var(--color-primary);
    font-family: 'JetBrains Mono', 'SF Mono', Menlo, monospace;
    font-weight: 700;
}

.build-tech-details[open] summary {
    border-bottom-color: var(--color-border);
}

.build-tech-details[open] summary::before {
    content: "− ";
}

.build-tech-details > :not(summary) {
    margin: 0;
    padding: 16px 18px 4px;
}

.build-tech-details ul {
    padding-left: 20px;
    margin-bottom: 16px;
}

.build-tech-details p {
    padding: 16px 18px;
    margin: 0;
}

/* ── Flow / pipeline ──────────────────────────────────────────────── */

.build-flow-list {
    display: flex;
    flex-wrap: wrap;
    align-items: stretch;
    gap: 8px;
    list-style: none;
    margin: 16px 0 24px !important;
    padding: 0 !important;
}

.build-flow-list > li {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    flex: 1 1 140px;
    min-width: 132px;
    margin: 0 !important;
    padding: 14px !important;
    background: #ffffff;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
}

.build-flow-list > li.build-flow-arrow {
    flex: 0 0 auto;
    min-width: 0;
    align-items: center;
    justify-content: center;
    padding: 0 2px !important;
    border: 0;
    background: transparent;
    box-shadow: none;
    color: var(--color-text-muted);
    font-weight: 700;
    font-size: 1.1rem;
}

.build-flow-step {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 28px;
    height: 28px;
    flex-shrink: 0;
    border-radius: 50%;
    background: var(--color-primary);
    color: #ffffff;
    font-size: 0.82rem;
    font-weight: 700;
}

.build-flow-body {
    display: flex;
    flex-direction: column;
    gap: 4px;
    min-width: 0;
}

.build-flow-body strong {
    color: var(--color-heading);
    font-size: 0.92rem;
}

.build-flow-body span {
    color: var(--color-text-muted);
    font-size: 0.84rem;
    line-height: 1.45;
}

.build-pipeline {
    display: flex;
    flex-wrap: wrap;
    align-items: stretch;
    gap: 8px;
    list-style: none;
    margin: 18px 0 26px !important;
    padding: 16px !important;
    background: var(--color-bg-muted);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
}

.build-pipeline > li {
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 4px;
    flex: 1 1 96px;
    min-width: 88px;
    margin: 0 !important;
    padding: 12px 10px !important;
    text-align: center;
    background: #ffffff;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    box-shadow: var(--shadow-sm);
}

.build-pipeline > li strong {
    color: var(--color-heading);
    font-size: 0.88rem;
    line-height: 1.3;
}

.build-pipeline > li span {
    color: var(--color-text-muted);
    font-size: 0.78rem;
    line-height: 1.35;
}

.build-pipeline-sep {
    flex: 0 0 auto !important;
    min-width: 0 !important;
    justify-content: center !important;
    align-items: center !important;
    padding: 0 2px !important;
    border: 0 !important;
    background: transparent !important;
    box-shadow: none !important;
    color: var(--color-text-muted);
    font-weight: 700;
}

.build-pipeline-tall > li {
    min-width: 100px;
}

/* ── Numbered request flow ────────────────────────────────────────── */

.build-numbered-flow {
    list-style: none;
    margin: 12px 0 28px !important;
    padding: 0 !important;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    background: #ffffff;
    box-shadow: var(--shadow-sm);
    overflow: hidden;
}

.build-numbered-flow > li {
    display: grid;
    grid-template-columns: 48px minmax(0, 1fr);
    gap: 12px;
    align-items: start;
    margin: 0 !important;
    padding: 14px 16px !important;
    border-bottom: 1px solid var(--color-border);
}

.build-numbered-flow > li:last-child {
    border-bottom: 0;
}

.build-numbered-flow > li:nth-child(even) {
    background: var(--color-bg-muted);
}

.build-num {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: var(--color-primary-soft);
    color: var(--color-primary);
    border: 1px solid rgba(37, 99, 235, 0.28);
    font-family: 'JetBrains Mono', 'SF Mono', Menlo, monospace;
    font-size: 0.82rem;
    font-weight: 700;
}

.build-numbered-flow strong {
    display: block;
    color: var(--color-heading);
    margin-bottom: 2px;
}

.build-numbered-flow p {
    margin: 0 !important;
    color: var(--color-text-muted);
    font-size: 0.92rem !important;
    line-height: 1.55 !important;
}

/* ── Example box ──────────────────────────────────────────────────── */

.build-example {
    margin: 12px 0 24px;
    padding: 16px 18px;
    border: 1px dashed var(--color-border);
    border-radius: var(--radius-md);
    background: #ffffff;
}

.build-example-label {
    margin: 0 0 8px !important;
    color: var(--color-primary);
    font-family: 'JetBrains Mono', 'SF Mono', Menlo, monospace;
    font-size: 0.76rem !important;
    font-weight: 700;
    text-transform: uppercase;
}

.build-example p:last-child {
    margin-bottom: 0 !important;
}

/* ── Metrics ──────────────────────────────────────────────────────── */

.build-metric-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 12px;
    margin: 12px 0 24px;
}

.build-metric {
    display: flex;
    flex-direction: column;
    gap: 6px;
    padding: 18px 16px;
    text-align: center;
    background: #ffffff;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
}

.build-metric-value {
    color: var(--color-heading);
    font-family: 'JetBrains Mono', 'SF Mono', Menlo, monospace;
    font-size: 1.35rem;
    font-weight: 700;
    line-height: 1.2;
}

.build-metric-label {
    color: var(--color-text-muted);
    font-size: 0.84rem;
    font-weight: 600;
    line-height: 1.4;
}

/* ── Tech cards ───────────────────────────────────────────────────── */

.build-tech-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 12px;
    margin: 12px 0 8px;
}

.build-tech-card {
    padding: 16px 16px 14px;
    background: #ffffff;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
}

.build-tech-card h3 {
    margin: 0 0 8px !important;
    font-size: 0.98rem !important;
    line-height: 1.3;
}

.build-tech-card p {
    margin: 0 !important;
    color: var(--color-text-muted) !important;
    font-size: 0.88rem !important;
    line-height: 1.5 !important;
}

/* ── Tables, code, diagrams ───────────────────────────────────────── */

.build-table-wrap {
    width: 100%;
    margin: 20px 0 24px;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    background: #ffffff;
    box-shadow: var(--shadow-sm);
}

.build-table-wrap:focus {
    outline: 2px solid var(--color-primary);
    outline-offset: 3px;
}

.build-table {
    width: 100%;
    min-width: 520px;
    border-collapse: collapse;
    margin: 0;
}

.build-table-compact {
    min-width: 480px;
}

.build-table th,
.build-table td {
    padding: 15px 18px;
    border-bottom: 1px solid var(--color-border);
    vertical-align: top;
    font-size: 0.94rem;
    line-height: 1.6;
}

.build-table th {
    background: var(--color-bg-muted);
    color: var(--color-heading);
    font-weight: 700;
    white-space: nowrap;
}

.build-table td:first-child {
    color: var(--color-heading);
    font-weight: 700;
}

.build-table tr:last-child td {
    border-bottom: 0;
}

.build-code-block {
    margin: 18px 0 24px;
    padding: 18px 20px;
    overflow-x: auto;
    background: var(--color-bg-dark);
    color: #dbeafe;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    font-family: 'JetBrains Mono', 'SF Mono', Menlo, monospace;
    font-size: 0.86rem;
    line-height: 1.72;
}

.build-code-block code {
    color: inherit;
    font-family: inherit;
    white-space: pre;
}

.build-architecture {
    margin: 24px 0 26px;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    background: #ffffff;
    box-shadow: var(--shadow-sm);
}

.build-architecture-svg {
    display: block;
    width: 100%;
    min-width: 760px;
    height: auto;
}

.build-svg-lane {
    fill: var(--color-bg-muted);
    stroke: var(--color-border);
    stroke-width: 1;
}

.build-svg-node {
    fill: var(--color-bg);
    stroke: var(--color-border);
    stroke-width: 1.5;
}

.build-svg-node-primary {
    fill: var(--color-primary-soft);
    stroke: var(--color-primary);
}

.build-svg-service {
    fill: #f8fafc;
    stroke: rgba(99, 102, 241, 0.32);
    stroke-width: 1.5;
}

.build-svg-text,
.build-svg-label,
.build-svg-text-small,
.build-svg-line-label {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    letter-spacing: 0;
}

.build-svg-text {
    fill: var(--color-heading);
    font-size: 14px;
    font-weight: 600;
}

.build-svg-text-strong {
    font-size: 15px;
    font-weight: 800;
}

.build-svg-text-small {
    fill: var(--color-text-muted);
    font-size: 12px;
    font-weight: 500;
}

.build-svg-label {
    fill: var(--color-primary);
    font-size: 13px;
    font-weight: 800;
    text-transform: uppercase;
}

.build-svg-line,
.build-svg-line-muted,
.build-svg-response {
    fill: none;
    stroke-linecap: round;
    stroke-linejoin: round;
}

.build-svg-line {
    stroke: var(--color-primary);
    stroke-width: 2.2;
}

.build-svg-line-muted {
    stroke: rgba(37, 99, 235, 0.52);
    stroke-width: 1.7;
}

.build-svg-response {
    stroke: var(--color-success);
    stroke-width: 2;
}

.build-svg-arrowhead {
    fill: var(--color-primary);
}

.build-svg-line-label {
    fill: var(--color-text-muted);
    font-size: 12px;
    font-weight: 700;
}

/* ── CTAs & links ─────────────────────────────────────────────────── */

.build-cta {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-top: 28px;
}

.build-cta .btn-outline,
.build-hero .btn-outline {
    background: #ffffff;
    color: var(--color-heading);
    border: 1px solid var(--color-border);
}

.build-cta .btn-outline:hover,
.build-hero .btn-outline:hover {
    border-color: var(--color-heading);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
    color: var(--color-heading);
}

.build-inline-cta {
    margin-top: 12px !important;
    margin-bottom: 0 !important;
}

.build-link-list {
    margin: 0 !important;
    padding-left: 18px !important;
}

.build-link-list li {
    margin-bottom: 8px !important;
}

.build-section code {
    padding: 0.1em 0.35em;
    background: var(--color-bg-muted);
    border: 1px solid var(--color-border);
    border-radius: 6px;
    color: var(--color-heading);
    font-family: 'JetBrains Mono', 'SF Mono', Menlo, monospace;
    font-size: 0.86em;
}

/* ── Responsive ───────────────────────────────────────────────────── */

@media (max-width: 1199.98px) {
    .build-layout {
        grid-template-columns: 214px minmax(0, 1fr);
        gap: 36px;
    }

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

@media (max-width: 991.98px) {
    .build-hero {
        padding: 58px 0 46px;
        text-align: center;
    }

    .build-hero-copy,
    .build-hero h1,
    .build-hero p {
        margin-left: auto;
        margin-right: auto;
    }

    .build-hero h1 {
        font-size: 2.45rem;
    }

    .build-stat-row,
    .build-cta {
        justify-content: center;
    }

    .build-layout {
        display: block;
        padding-top: 34px;
        padding-bottom: 58px;
    }

    .build-toc {
        position: static;
        padding: 0 0 22px;
        margin-bottom: 34px;
        border-left: 0;
        border-bottom: 1px solid var(--color-border);
    }

    .build-toc nav {
        flex-direction: row;
        flex-wrap: wrap;
        gap: 8px;
    }

    .build-toc a {
        border: 1px solid var(--color-border);
        background: #ffffff;
    }

    .build-content {
        max-width: none;
    }

    .build-card-grid-3,
    .build-compare,
    .build-metric-grid {
        grid-template-columns: 1fr 1fr;
    }

    .build-flow-list > li.build-flow-arrow {
        display: none;
    }
}

@media (max-width: 767.98px) {
    .build-card-grid-2,
    .build-card-grid-3,
    .build-compare,
    .build-metric-grid,
    .build-tech-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 575.98px) {
    .build-hero {
        padding: 44px 0 38px;
    }

    .build-hero h1 {
        font-size: 2rem;
    }

    .build-hero p,
    .build-section p,
    .build-section li {
        font-size: 0.96rem;
    }

    .build-hero-subtitle {
        font-size: 1.04rem !important;
    }

    .build-stat-row span {
        width: 100%;
        justify-content: center;
        text-align: center;
    }

    .build-section {
        padding-bottom: 42px;
        margin-bottom: 42px;
        scroll-margin-top: 82px;
    }

    .build-section h2 {
        font-size: 1.58rem;
    }

    .build-section h3 {
        font-size: 1.08rem;
    }

    .build-table {
        min-width: 480px;
    }

    .build-table th,
    .build-table td {
        padding: 13px 14px;
        font-size: 0.88rem;
    }

    .build-code-block {
        padding: 16px;
        font-size: 0.78rem;
    }

    .build-architecture-svg {
        min-width: 700px;
    }

    .build-cta .btn,
    .build-inline-cta .btn {
        width: 100%;
        justify-content: center;
    }

    .build-pipeline {
        padding: 12px !important;
    }

    .build-pipeline > li {
        flex: 1 1 calc(50% - 12px);
        min-width: calc(50% - 12px);
    }

    .build-pipeline-sep {
        display: none !important;
    }

    .build-numbered-flow > li {
        grid-template-columns: 36px minmax(0, 1fr);
        gap: 10px;
        padding: 12px !important;
    }

    .build-num {
        width: 32px;
        height: 32px;
        font-size: 0.76rem;
    }

    .build-metric-value {
        font-size: 1.2rem;
    }
}

/* Hide flow arrows when they would wrap awkwardly on narrow widths */
@media (max-width: 420px) {
    .build-flow-list > li {
        flex: 1 1 100%;
    }
}

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

    .build-cta .btn-outline:hover,
    .build-hero .btn-outline:hover {
        transform: none;
    }
}