/* ============================================
   DEFPROD — Features Page (grouped capabilities + proof)
   ============================================ */

.features-page .features-hero-body {
    font-size: var(--text-base);
    color: var(--color-dark-text-muted);
    opacity: 0.88;
    margin: var(--space-md) auto 0;
    max-width: 640px;
    line-height: var(--leading-normal);
}

.features-body {
    overflow: hidden;
}

/* ---- Capability sections ---- */
.features-cap {
    padding: var(--space-section) 20px;
    background: var(--color-bg);
    border-bottom: 1px solid var(--color-border);
}

.features-cap-alt {
    background: var(--color-surface);
}

.features-cap-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-3xl);
    align-items: start;
    max-width: var(--max-width);
    margin: 0 auto;
}

/* Reverse text/image columns on wide viewports without changing markup order:
   `direction: rtl` on the grid swaps visual column order; children use `ltr` so text stays readable. */
.features-cap-grid-reverse {
    direction: rtl;
}

.features-cap-grid-reverse > * {
    direction: ltr;
}

.features-cap-text h2 {
    font-size: var(--text-2xl);
    margin: 0 0 var(--space-md);
    letter-spacing: var(--tracking-tight);
    color: var(--color-text);
    line-height: var(--leading-tight);
}

.features-cap-lead,
.features-cap-support,
.features-cap-intro,
.features-trace-note,
.features-bridge-footnote {
    font-size: var(--text-base);
    color: var(--color-text-secondary);
    line-height: var(--leading-normal);
    margin: 0 0 var(--space-md);
}

.features-cap-support {
    margin-bottom: 0;
    padding-top: var(--space-sm);
    border-top: 1px solid var(--color-border);
}

.features-cap-header {
    max-width: 720px;
    margin: 0 auto var(--space-2xl);
    text-align: center;
}

.features-cap-header h2 {
    font-size: var(--text-2xl);
    margin: 0 0 var(--space-md);
    letter-spacing: var(--tracking-tight);
    color: var(--color-text);
}

.features-cap-intro {
    margin-bottom: 0;
}

.features-confidence {
    font-size: var(--text-base);
    color: var(--color-text-secondary);
    line-height: var(--leading-normal);
    margin: 0;
    padding: var(--space-md);
    border-radius: var(--radius-md);
    border-left: 3px solid var(--color-teal);
    background: rgba(44, 209, 196, 0.06);
}

.features-confidence strong {
    color: var(--color-text);
    font-weight: var(--font-weight-semi);
}

/* ---- Brief → story → architecture example ---- */
.features-flow-example {
    margin-top: var(--space-xl);
    padding: var(--space-lg);
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border);
    background: var(--color-surface, rgba(0, 0, 0, 0.02));
}

.features-flow-label {
    display: block;
    font-size: var(--text-xs);
    font-weight: var(--font-weight-semi);
    color: var(--color-teal);
    text-transform: uppercase;
    letter-spacing: var(--tracking-wider);
    margin-bottom: var(--space-md);
}

.features-flow-steps {
    margin: 0;
    padding: 0 0 0 var(--space-lg);
    color: var(--color-text-secondary);
    font-size: var(--text-sm);
    line-height: var(--leading-normal);
}

.features-flow-steps li {
    margin-bottom: var(--space-sm);
}

.features-flow-steps li:last-child {
    margin-bottom: 0;
}

.features-flow-steps strong {
    color: var(--color-text);
    font-weight: var(--font-weight-semi);
}

/* ---- Screenshot proof ---- */
.features-proof-shot {
    margin: 0;
}

.features-proof-shot img {
    width: 100%;
    border-radius: var(--radius-lg, 12px);
    box-shadow: 0 4px 28px rgba(0, 0, 0, 0.28);
    border: 1px solid var(--color-border);
}

.features-proof-shot figcaption {
    font-size: var(--text-sm);
    color: var(--color-text-secondary);
    margin-top: var(--space-md);
    line-height: var(--leading-normal);
}

/* ---- Bridge diagram (conceptual parity with homepage `.bridge-*` in index.css) ----
   Local tokens avoid repeating the same teal alphas; if the diagram palette changes, update here (and index) together. */
.bridge-diagram {
    --bridge-teal-mid: rgba(44, 209, 196, 0.42);
    --bridge-teal-fork: rgba(44, 209, 196, 0.32);
    --bridge-teal-surface: rgba(44, 209, 196, 0.08);
    --bridge-teal-glow: rgba(44, 209, 196, 0.12);

    max-width: 640px;
    margin: 0 auto var(--space-lg);
    padding: var(--space-xl) var(--space-lg);
    border-radius: var(--radius-lg);
    border: 1px solid rgba(44, 209, 196, 0.18);
    background:
        radial-gradient(circle at top, rgba(44, 209, 196, 0.1), transparent 42%),
        linear-gradient(180deg, rgba(255, 255, 255, 0.98) 0%, rgba(236, 241, 247, 0.94) 100%);
    box-shadow:
        0 18px 40px rgba(15, 23, 42, 0.08),
        inset 0 1px 0 rgba(255, 255, 255, 0.8);
}

.bridge-layer-top {
    display: flex;
    justify-content: center;
    margin-bottom: var(--space-sm);
}

.bridge-spine {
    width: 2px;
    height: 20px;
    margin: 0 auto;
    background: linear-gradient(180deg, var(--color-teal), var(--bridge-teal-mid));
    border-radius: 1px;
    filter: drop-shadow(0 0 8px var(--bridge-teal-glow));
}

.bridge-layer-mid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-xs);
    align-items: stretch;
    margin-bottom: var(--space-sm);
    padding: 0 var(--space-xs);
}

.bridge-chip {
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    font-size: var(--text-xs);
    font-weight: var(--font-weight-semi);
    font-family: var(--font-mono);
    color: var(--color-teal);
    padding: var(--space-sm) var(--space-xs);
    border-radius: var(--radius-md);
    border: 1px solid var(--bridge-teal-mid);
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.98), var(--bridge-teal-surface));
    box-shadow:
        0 8px 18px rgba(15, 23, 42, 0.05),
        inset 0 1px 0 rgba(255, 255, 255, 0.8);
    letter-spacing: 0.04em;
    text-transform: uppercase;
}

.bridge-forks {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-xs);
    height: 16px;
    margin-bottom: var(--space-xs);
    padding: 0 var(--space-xs);
}

.bridge-fork {
    justify-self: center;
    width: 2px;
    height: 100%;
    background: var(--bridge-teal-fork);
    border-radius: 1px;
    filter: drop-shadow(0 0 6px var(--bridge-teal-glow));
}

.bridge-layer-bottom {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr 1fr;
    gap: var(--space-sm);
    align-items: stretch;
    padding: 0 var(--space-xs);
}

.bridge-node {
    border-radius: var(--radius-md);
    text-align: center;
    font-size: var(--text-sm);
    line-height: var(--leading-tight);
}

.bridge-node-apex {
    padding: var(--space-md) var(--space-lg);
    font-weight: var(--font-weight-semi);
    color: var(--color-text);
    border: 1px solid rgba(44, 209, 196, 0.32);
    background: linear-gradient(180deg, rgba(255, 255, 255, 1), rgba(231, 239, 245, 0.98));
    box-shadow:
        0 14px 30px rgba(15, 23, 42, 0.1),
        0 0 0 1px rgba(44, 209, 196, 0.06),
        inset 0 1px 0 rgba(255, 255, 255, 0.96);
    letter-spacing: var(--tracking-tight);
}

.bridge-node-audience {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-sm) var(--space-xs);
    min-height: 58px;
    font-weight: var(--font-weight-semi);
    color: var(--color-text);
    border: 1px solid rgba(44, 209, 196, 0.26);
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.99), rgba(233, 240, 246, 0.95));
    box-shadow:
        0 10px 22px rgba(15, 23, 42, 0.07),
        0 0 0 1px rgba(44, 209, 196, 0.05),
        inset 0 1px 0 rgba(255, 255, 255, 0.92);
}

.bridge-node-audience:nth-child(1) {
    grid-column: 1;
}

.bridge-node-audience:nth-child(2) {
    grid-column: 2 / span 2;
}

.bridge-node-audience:nth-child(3) {
    grid-column: 4;
}

.features-bridge-footnote {
    max-width: 640px;
    margin: 0 auto;
    text-align: center;
    font-size: var(--text-sm);
}

/* ---- Traceability diagram ---- */
.trace-diagram {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm) var(--space-md);
    max-width: 900px;
    margin: 0 auto var(--space-lg);
    padding: var(--space-xl) var(--space-lg);
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border);
    background: linear-gradient(135deg, rgba(44, 209, 196, 0.05), rgba(255, 196, 71, 0.04));
}

/*
 * Each step carries its trailing arrow so the pair wraps as one unit. Six steps and five arrows
 * do not fit on a single row, so the diagram wraps to two rows — without this grouping a bare
 * arrow can be orphaned at the start of a row.
 */
.trace-link {
    display: inline-flex;
    align-items: center;
    gap: var(--space-md);
    min-width: 0;
}

/*
 * Six steps cannot sit on one row, so pin three per row: an even 3+3 rather than the 4+2 that
 * free wrapping produces. It also splits the chain where it reads best — intent (brief, story,
 * change) above execution (code, test, release).
 */
@media (min-width: 769px) {
    .trace-link {
        flex: 1 1 calc(33.333% - var(--space-md));
    }

    .trace-link .trace-step {
        flex: 1 1 auto;
        min-width: 0;
    }

    /* The third step ends the top row: its arrow would point into empty space, so drop it.
       Below 769px the chain is a single stacked column and every arrow is needed again. */
    .trace-link:nth-child(3) .trace-arrow {
        display: none;
    }
}

.trace-step {
    padding: var(--space-md) var(--space-lg);
    border-radius: var(--radius-md);
    border: 1px solid rgba(44, 209, 196, 0.35);
    background: var(--color-bg);
    box-shadow: var(--shadow-sm, 0 1px 8px rgba(0, 0, 0, 0.06));
    text-align: center;
}

.trace-step-label {
    display: inline-block;
    font-family: var(--font-mono);
    font-size: var(--text-sm);
    font-weight: var(--font-weight-semi);
    color: var(--color-teal);
    letter-spacing: var(--tracking-wide);
    line-height: 1.35;
    text-transform: none;
}

.trace-arrow {
    font-size: var(--text-lg);
    color: var(--color-text-secondary);
    opacity: 0.7;
    user-select: none;
}

.features-trace-note {
    max-width: 640px;
    margin: 0 auto;
    text-align: center;
}

/* ---- Capability point lists (change tracking, deployments, definition history) ---- */
.features-audit-points,
.features-point-list {
    list-style: none;
    padding: 0;
    margin: 0 auto var(--space-2xl);
    max-width: 40rem;
    text-align: left;
}

.features-audit-points li,
.features-point-list li {
    position: relative;
    padding: 0 0 var(--space-md) var(--space-lg);
    font-size: var(--text-base);
    color: var(--color-text-secondary);
    line-height: var(--leading-normal);
    border-bottom: 1px solid var(--color-border);
}

.features-audit-points li:last-child,
.features-point-list li:last-child {
    border-bottom: none;
    padding-bottom: 0;
}

.features-audit-points li::before,
.features-point-list li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0.55em;
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--color-teal);
    opacity: 0.5;
}

.features-audit-points strong,
.features-point-list strong {
    color: var(--color-text);
    font-weight: var(--font-weight-semi);
}

/* Centred proof shots for the header-style capability sections (change tracking, deployments).
   Wider than the audit shot because these are dense tables and timelines rather than a side panel. */
.features-proof-shot--wide {
    max-width: 960px;
    margin: 0 auto var(--space-2xl);
}

.features-proof-shot--wide:last-child {
    margin-bottom: 0;
}

/* The pipeline dialog is a narrow modal; blowing it up to full width only softens it. */
.features-proof-shot--dialog {
    max-width: 560px;
}

.features-proof-shot--audit {
    max-width: 720px;
    margin-left: auto;
    margin-right: auto;
}

/* ---- Onboarding ---- */
.features-onboarding-grid {
    display: grid;
    grid-template-columns: 1.05fr 0.95fr;
    gap: var(--space-2xl);
    align-items: center;
    max-width: var(--max-width);
    margin: 0 auto;
}

.features-onboarding-copy {
    align-self: center;
}

.features-onboarding-callout {
    margin-bottom: var(--space-xl);
    padding: var(--space-lg);
    border-radius: var(--radius-lg);
    border: 1px solid rgba(44, 177, 172, 0.2);
    background: linear-gradient(135deg, rgba(44, 177, 172, 0.07), rgba(255, 196, 71, 0.05));
}

.features-onboarding-callout p {
    margin: 0;
    font-size: var(--text-xl);
    line-height: var(--leading-tight);
    color: var(--color-text);
    font-weight: var(--font-weight-semi);
    letter-spacing: var(--tracking-tight);
}

.features-onboarding-points {
    max-width: none;
    margin-bottom: 0;
}

.features-onboarding-visual {
    display: flex;
    flex-direction: column;
    align-items: stretch;
    justify-content: center;
    gap: var(--space-sm);
    padding: calc(var(--space-lg) * 2) var(--space-lg);
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border);
    background: linear-gradient(180deg, var(--color-surface) 0%, var(--color-bg) 100%);
    box-shadow: var(--shadow-sm, 0 1px 8px rgba(0, 0, 0, 0.06));
}

.features-onboarding-step {
    width: 100%;
    max-width: 360px;
    margin: 0 auto;
    padding: var(--space-md) var(--space-lg);
    border-radius: var(--radius-md);
    border: 1px solid rgba(44, 177, 172, 0.2);
    background: rgba(255, 255, 255, 0.72);
    text-align: center;
    box-shadow: 0 6px 18px rgba(15, 23, 42, 0.05);
}

.features-onboarding-step-label {
    display: block;
    margin-bottom: var(--space-xs);
    font-size: var(--text-xs);
    font-weight: var(--font-weight-semi);
    color: var(--color-teal);
    text-transform: uppercase;
    letter-spacing: var(--tracking-wider);
}

.features-onboarding-step strong {
    display: block;
    font-size: var(--text-sm);
    line-height: var(--leading-normal);
    color: var(--color-text);
}

.features-onboarding-arrow {
    align-self: center;
    font-size: 1.35rem;
    font-weight: var(--font-weight-bold);
    color: var(--color-teal);
    opacity: 0.9;
    user-select: none;
}

/* ---- Reporting ---- */
.features-report-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-lg);
    max-width: 960px;
    margin: 0 auto var(--space-xl);
}

.features-report-card {
    padding: var(--space-xl);
    border-radius: var(--radius-lg);
    border: 1px solid rgba(44, 177, 172, 0.16);
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.96), rgba(237, 241, 246, 0.94));
    box-shadow: 0 8px 22px rgba(15, 23, 42, 0.06);
}

.features-report-label {
    display: inline-block;
    margin-bottom: var(--space-md);
    font-size: var(--text-xs);
    font-weight: var(--font-weight-semi);
    color: var(--color-teal);
    text-transform: uppercase;
    letter-spacing: var(--tracking-wider);
}

.features-report-card h3 {
    margin: 0 0 var(--space-sm);
    font-size: var(--text-lg);
    line-height: var(--leading-tight);
    color: var(--color-text);
    letter-spacing: var(--tracking-tight);
}

.features-report-card p,
.features-report-note {
    margin: 0;
    font-size: var(--text-base);
    color: var(--color-text-secondary);
    line-height: var(--leading-normal);
}

.features-report-note {
    max-width: 720px;
    margin: 0 auto;
    text-align: center;
}

@media (max-width: 1024px) {
    .features-cap-grid {
        gap: var(--space-2xl);
    }

    .features-onboarding-grid {
        gap: var(--space-xl);
    }
}

@media (max-width: 768px) {
    .features-cap-grid {
        grid-template-columns: 1fr;
        gap: var(--space-xl);
    }

    .features-cap-grid-reverse {
        direction: ltr;
    }

    .features-proof-shot {
        order: -1;
    }

    /* Bridge: match homepage narrow-viewport behavior (index.css) */
    .bridge-layer-mid {
        grid-template-columns: repeat(2, 1fr);
    }

    .bridge-forks {
        display: none;
    }

    .bridge-layer-bottom {
        grid-template-columns: 1fr;
    }

    .bridge-node-audience:nth-child(1),
    .bridge-node-audience:nth-child(2),
    .bridge-node-audience:nth-child(3) {
        grid-column: 1 / -1;
    }

    .features-onboarding-grid,
    .features-report-grid {
        grid-template-columns: 1fr;
    }

    .features-onboarding-visual {
        padding: var(--space-lg);
    }

    .trace-diagram {
        flex-direction: column;
        gap: var(--space-xs);
    }

    /* Stacked: the step/arrow pairs unwind into a single vertical chain. */
    .trace-link {
        flex-direction: column;
        gap: var(--space-xs);
        width: 100%;
    }

    .trace-step {
        width: 100%;
    }

    .trace-arrow {
        transform: rotate(90deg);
        margin: var(--space-xs) 0;
    }
}

@media (max-width: 480px) {
    .bridge-layer-mid {
        grid-template-columns: 1fr;
    }

    .bridge-chip {
        font-size: clamp(0.65rem, 0.6rem + 0.1vw, 0.75rem);
        padding: var(--space-xs);
    }

    .features-flow-example {
        padding: var(--space-md);
    }

    .features-flow-steps {
        padding-left: var(--space-md);
    }

    .features-cap {
        padding: var(--space-2xl) 12px;
    }

    .trace-step {
        padding: var(--space-sm) var(--space-md);
    }

    .features-onboarding-callout p {
        font-size: var(--text-lg);
    }

    .features-report-card {
        padding: var(--space-lg);
    }
}