/*
 * Intelligence724 v2.5.4 — Proof Center, method, and resilient type-flow remediation.
 * Loaded after the core layout so these rules also repair older managed page
 * bodies that still contain the previous inline stage markup.
 */

/* Global readable-content safeguards. */
.i724-article-content,
.i724-proof-content,
.i724-method-content,
.i724-proof-content *,
.i724-method-content * {
    min-width: 0;
}

.i724-article-content h2,
.i724-article-content h3,
.i724-proof-content h2,
.i724-proof-content h3,
.i724-method-content h2,
.i724-method-content h3 {
    text-wrap: balance;
}

.i724-article-content p,
.i724-article-content li,
.i724-article-content dd,
.i724-proof-content p,
.i724-proof-content li,
.i724-proof-content dd,
.i724-method-content p,
.i724-method-content li,
.i724-method-content dd {
    text-wrap: pretty;
}

/* Do not solve narrow-card defects by splitting ordinary words into letters. */
.i724-article-content :is(h1,h2,h3,h4,strong),
.i724-proof-content :is(h1,h2,h3,h4,strong),
.i724-method-content :is(h1,h2,h3,h4,strong) {
    overflow-wrap: normal;
    word-break: normal;
    hyphens: none;
}

.i724-article-content :is(p,li,dt,dd,small,span),
.i724-proof-content :is(p,li,dt,dd,small,span),
.i724-method-content :is(p,li,dt,dd,small,span) {
    overflow-wrap: break-word;
    word-break: normal;
}

.i724-article-content a,
.i724-proof-content a,
.i724-method-content a {
    overflow-wrap: anywhere;
    word-break: break-word;
}

/* Direct-child card patterns must never concatenate labels, titles, and copy. */
:is(
    .i724-content-card,
    .i724-package-grid > article,
    .i724-problem-grid > article,
    .i724-service-card,
    .i724-industry-card,
    .i724-related-card,
    .i724-proof-class-card,
    .i724-method-kit,
    .i724-download-card
) > span:first-child {
    display: block;
    width: fit-content;
    margin: 0 0 12px;
}

:is(
    .i724-content-card,
    .i724-package-grid > article,
    .i724-problem-grid > article,
    .i724-service-card,
    .i724-industry-card,
    .i724-related-card,
    .i724-proof-class-card,
    .i724-method-kit,
    .i724-download-card
) > :is(h2,h3,strong,p) {
    display: block;
    max-width: 100%;
}

.i724-content-card > h3,
.i724-package-grid > article > h3,
.i724-problem-grid > article > h3 {
    margin-top: 0;
}

/* Keep anchored sections below the sticky masthead. */
.i724-proof-section,
.i724-method-section,
.i724-proof-page-body,
.i724-method-page-body {
    scroll-margin-top: calc(var(--i724-header-height) + 34px);
}

/* Shared specialized hero system. */
.i724-proof-hero,
.i724-method-hero {
    position: relative;
    isolation: isolate;
    overflow: hidden;
    padding: 34px 0 clamp(64px, 7vw, 96px);
    background:
        radial-gradient(circle at 78% 18%, rgba(30, 126, 255, .28), transparent 34%),
        radial-gradient(circle at 12% 12%, rgba(48, 214, 255, .10), transparent 28%),
        linear-gradient(145deg, var(--i724-navy-950), var(--i724-navy-900) 55%, #061b3a);
    color: #fff;
}

.i724-proof-hero-grid,
.i724-method-hero-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(min(100%, 27rem), 1fr));
    align-items: end;
    gap: clamp(44px, 7vw, 96px);
    padding-top: clamp(42px, 6vw, 74px);
}

.i724-proof-hero-copy,
.i724-method-hero-grid > div {
    min-width: 0;
}

.i724-proof-hero h1,
.i724-method-hero h1 {
    max-width: 900px;
    margin: 18px 0 0;
    font-size: clamp(3.4rem, 7vw, 7.5rem);
    line-height: .91;
    letter-spacing: -.065em;
    text-wrap: balance;
}

.i724-proof-hero-lede,
.i724-method-hero-lede {
    max-width: 760px;
    margin: 26px 0 0;
    color: #c6d5e8;
    font-size: clamp(1.08rem, 1.8vw, 1.38rem);
    line-height: 1.58;
}

.i724-proof-hero .i724-button-row {
    margin-top: 30px;
}

.i724-proof-standard,
.i724-method-standard {
    min-width: 0;
    padding: clamp(24px, 3vw, 34px);
    border: 1px solid rgba(135, 203, 255, .24);
    border-radius: 18px;
    background: rgba(5, 20, 43, .78);
    box-shadow: 0 28px 80px rgba(0, 5, 18, .28);
    backdrop-filter: blur(12px);
}

.i724-proof-standard-kicker,
.i724-method-standard-kicker,
.i724-section-label,
.i724-proof-lane-label {
    margin: 0;
    color: var(--i724-blue-2);
    font-family: var(--i724-font-mono);
    font-size: .69rem;
    font-weight: 900;
    letter-spacing: .085em;
    text-transform: uppercase;
}

.i724-proof-standard-kicker,
.i724-method-standard-kicker {
    color: var(--i724-cyan-2);
}

.i724-proof-standard h2,
.i724-method-standard h2 {
    margin: 10px 0 22px;
    color: #fff;
    font-size: clamp(1.45rem, 2.1vw, 2.2rem);
    line-height: 1.08;
    letter-spacing: -.035em;
}

.i724-proof-standard dl {
    display: grid;
    gap: 1px;
    margin: 0;
    background: rgba(128, 196, 255, .16);
}

.i724-proof-standard dl > div {
    display: grid;
    gap: 5px;
    padding: 14px 15px;
    background: rgba(3, 15, 34, .90);
}

.i724-proof-standard dt {
    color: #fff;
    font-size: .8rem;
    font-weight: 850;
}

.i724-proof-standard dd {
    margin: 0;
    color: #aebfd4;
    font-size: .76rem;
    line-height: 1.5;
}

.i724-method-standard ul {
    display: grid;
    gap: 10px;
    margin: 0 0 22px;
    padding: 0;
    list-style: none;
}

.i724-method-standard li {
    position: relative;
    padding-left: 22px;
    color: #c8d6e8;
    font-size: .84rem;
}

.i724-method-standard li::before {
    content: "";
    position: absolute;
    top: .62em;
    left: 0;
    width: 8px;
    height: 8px;
    border: 2px solid var(--i724-cyan);
    border-radius: 50%;
}

.i724-method-standard .i724-text-link {
    color: var(--i724-cyan-2);
}

/* Compact, wrapping in-page navigation. */
.i724-proof-jump,
.i724-method-jump {
    position: sticky;
    z-index: 90;
    top: var(--i724-header-height);
    border-bottom: 1px solid #d7e2ed;
    background: rgba(255, 255, 255, .95);
    box-shadow: 0 10px 28px rgba(3, 16, 35, .06);
    backdrop-filter: blur(14px);
}

body.admin-bar .i724-proof-jump,
body.admin-bar .i724-method-jump {
    top: calc(var(--i724-header-height) + 32px);
}

.i724-proof-jump .i724-shell,
.i724-method-jump .i724-shell {
    display: flex;
    flex-wrap: wrap;
    gap: 0;
    padding-block: 8px;
}

.i724-proof-jump a,
.i724-method-jump a {
    min-height: 42px;
    display: inline-flex;
    align-items: center;
    padding: 8px 14px;
    border-radius: 7px;
    color: var(--i724-ink-700);
    font-size: .74rem;
    font-weight: 800;
    text-decoration: none;
}

.i724-proof-jump a:hover,
.i724-method-jump a:hover,
.i724-proof-jump a:focus-visible,
.i724-method-jump a:focus-visible {
    background: #edf5fc;
    color: var(--i724-blue-2);
}

/* Proof Center body. */
.i724-proof-page-body,
.i724-method-page-body {
    background: #fff;
}

.i724-proof-content,
.i724-method-content {
    width: min(100%, 1180px);
    margin-inline: auto;
    color: var(--i724-ink-800);
}

.i724-proof-section,
.i724-method-section {
    padding-block: clamp(60px, 8vw, 104px);
    border-bottom: 1px solid #e0e8f0;
}

.i724-proof-section:first-child,
.i724-method-section:first-child {
    padding-top: 0;
}

.i724-proof-section:last-child,
.i724-method-section:last-child {
    padding-bottom: 0;
    border-bottom: 0;
}

.i724-proof-section-head,
.i724-method-section-head {
    max-width: 850px;
    margin-bottom: clamp(28px, 4vw, 44px);
}

.i724-proof-section-head-split,
.i724-method-section-head-split {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(min(100%, 24rem), 1fr));
    align-items: end;
    gap: clamp(32px, 5vw, 64px);
    max-width: none;
}

.i724-proof-section-head h2,
.i724-method-section-head h2 {
    margin: 10px 0 0;
    color: var(--i724-ink-950);
    font-size: clamp(2.25rem, 4.8vw, 5rem);
    line-height: .98;
    letter-spacing: -.055em;
}

.i724-proof-section-head > p:last-child,
.i724-proof-section-head-split > p,
.i724-method-section-head > p:last-child,
.i724-method-section-head-split > p {
    margin: 0;
    color: var(--i724-ink-600);
    font-size: clamp(1rem, 1.35vw, 1.16rem);
    line-height: 1.7;
}

.i724-proof-section-head:not(.i724-proof-section-head-split) > p:last-child,
.i724-method-section-head:not(.i724-method-section-head-split) > p:last-child {
    margin-top: 20px;
}

.i724-proof-lane-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 14px;
}

.i724-proof-lane {
    display: grid;
    grid-template-columns: 48px minmax(0, 1fr);
    gap: 18px;
    min-width: 0;
    padding: 24px;
    border: 1px solid var(--i724-line-light);
    border-radius: 14px;
    background: #f8fbfe;
}

.i724-proof-lane-index {
    display: grid;
    width: 44px;
    height: 44px;
    place-items: center;
    border-radius: 50%;
    background: #e7f2fd;
    color: var(--i724-blue-2);
    font-family: var(--i724-font-mono);
    font-size: .74rem;
    font-weight: 900;
}

.i724-proof-lane h3 {
    margin: 7px 0 8px;
    color: var(--i724-ink-950);
    font-size: clamp(1.3rem, 2vw, 1.75rem);
    line-height: 1.12;
}

.i724-proof-lane > div > p:last-child {
    margin: 0;
    color: var(--i724-ink-600);
    font-size: .88rem;
    line-height: 1.62;
}

.i724-proof-lane.is-current { border-top: 4px solid var(--i724-cyan); }
.i724-proof-lane.is-verified { border-top: 4px solid var(--i724-blue-2); }
.i724-proof-lane.is-historical { border-top: 4px solid #67788d; }
.i724-proof-lane.is-illustrative { border-top: 4px solid var(--i724-signal); }

.i724-proof-boundary-note {
    display: grid;
    grid-template-columns: minmax(180px, .28fr) minmax(0, 1fr);
    gap: 24px;
    margin-top: 18px;
    padding: 22px 24px;
    border-left: 5px solid var(--i724-signal);
    border-radius: 0 12px 12px 0;
    background: #fff3f5;
}

.i724-proof-boundary-note strong {
    color: #8a1522;
    font-size: 1rem;
}

.i724-proof-boundary-note p {
    margin: 0;
    color: #6e3039;
    line-height: 1.62;
}

.i724-capability-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 16px;
}

.i724-capability-grid article {
    display: grid;
    align-content: start;
    min-width: 0;
    min-height: 245px;
    padding: 24px;
    border: 1px solid #d7e2ed;
    border-radius: 13px;
    background: linear-gradient(145deg, #f6faff, #fff);
    box-shadow: var(--i724-shadow-sm);
}

.i724-capability-grid article > span {
    display: block;
    width: fit-content;
    margin-bottom: 18px;
    color: var(--i724-blue-2);
    font-family: var(--i724-font-mono);
    font-size: .65rem;
    font-weight: 900;
    letter-spacing: .08em;
    text-transform: uppercase;
}

.i724-capability-grid h3 {
    margin: 0 0 10px;
    color: var(--i724-ink-950);
    font-size: 1.25rem;
    line-height: 1.18;
}

.i724-capability-grid p {
    margin: 0;
    color: var(--i724-ink-600);
    font-size: .86rem;
    line-height: 1.62;
}

/* Timeline override: the previous absolute year label caused narrow-card collisions. */
.i724-proof-content .i724-heritage-timeline {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    margin: 0;
    padding: 0;
    list-style: none;
}

.i724-proof-content .i724-heritage-event {
    position: static;
    display: grid;
    grid-template-columns: 72px minmax(0, 1fr);
    gap: 20px;
    padding: 24px;
}

.i724-proof-content .i724-heritage-event > time {
    position: static;
    display: block;
    color: var(--i724-blue-2);
    font-family: var(--i724-font-mono);
    font-size: .82rem;
    font-weight: 900;
}

.i724-proof-content .i724-heritage-event h3 {
    margin: 0 0 8px;
}

.i724-proof-content .i724-heritage-event p {
    margin: 0;
    line-height: 1.62;
}

.i724-proof-content .i724-heritage-event .i724-evidence-badge {
    margin-top: 16px;
}

.i724-publication-card {
    align-items: center;
}

.i724-publication-citation {
    color: var(--i724-ink-700);
    font-size: 1rem;
}

.i724-proof-grid {
    align-items: start;
}

.i724-proof-artifact {
    display: grid;
    align-content: start;
}

.i724-proof-artifact-wide {
    grid-column: 1 / -1;
}

.i724-evidence-taxonomy {
    display: grid;
    gap: 10px;
    margin: 0;
}

.i724-evidence-taxonomy > div {
    display: grid;
    grid-template-columns: minmax(150px, .42fr) minmax(0, 1fr);
    gap: 18px;
    padding: 14px 15px;
    border-left: 3px solid var(--i724-blue-2);
    background: #f4f8fc;
}

.i724-evidence-taxonomy dt {
    color: var(--i724-ink-950);
    font-weight: 850;
}

.i724-evidence-taxonomy dd {
    margin: 0;
    color: var(--i724-ink-600);
    line-height: 1.56;
}

.i724-option-matrix {
    display: grid;
    gap: 10px;
}

.i724-option-matrix > div {
    display: grid;
    grid-template-columns: minmax(135px, .28fr) minmax(0, 1fr);
    gap: 7px 18px;
    padding: 14px 15px;
    border: 1px solid #dce6ef;
    border-radius: 8px;
    background: #f8fbfe;
}

.i724-option-matrix strong {
    grid-row: 1 / span 2;
    color: var(--i724-ink-950);
}

.i724-option-matrix span {
    color: var(--i724-ink-700);
    line-height: 1.5;
}

.i724-option-matrix small {
    color: var(--i724-ink-500);
    line-height: 1.45;
}

.i724-decision-band {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 8px;
    margin: 0 0 20px;
}

.i724-decision-band span {
    display: grid;
    min-height: 48px;
    place-items: center;
    padding: 10px;
    border: 1px solid #cbd9e7;
    border-radius: 8px;
    background: #f3f8fc;
    color: var(--i724-ink-800);
    font-size: .76rem;
    font-weight: 850;
    text-align: center;
}

.i724-decision-band span:last-child {
    border-color: #efc1c7;
    background: #fff2f4;
    color: #9d1525;
}

.i724-proof-check-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 10px;
}

.i724-proof-check-grid > div {
    min-width: 0;
    padding: 16px;
    border: 1px solid #dce6ef;
    border-radius: 9px;
    background: #f8fbfe;
}

.i724-proof-check-grid strong {
    display: block;
    margin-bottom: 7px;
    color: var(--i724-ink-950);
}

.i724-proof-check-grid p {
    margin: 0;
    color: var(--i724-ink-600);
    font-size: .82rem;
    line-height: 1.55;
}

.i724-evidence-card-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 14px;
}

.i724-evidence-card-grid article {
    display: grid;
    align-content: start;
    min-width: 0;
    padding: 22px;
    border: 1px solid var(--i724-line-light);
    border-radius: 12px;
    background: #fff;
    box-shadow: var(--i724-shadow-sm);
}

.i724-evidence-card-grid article > span {
    display: block;
    width: fit-content;
    margin-bottom: 14px;
    color: var(--i724-blue-2);
    font-family: var(--i724-font-mono);
    font-size: .62rem;
    font-weight: 900;
    letter-spacing: .06em;
    text-transform: uppercase;
}

.i724-evidence-card-grid h3 {
    margin: 0 0 14px;
    font-size: 1.18rem;
}

.i724-evidence-card-grid p {
    margin: 0 0 9px;
    color: var(--i724-ink-600);
    font-size: .82rem;
    line-height: 1.55;
}

.i724-evidence-card-grid p:last-child {
    margin-bottom: 0;
}

.i724-proof-limitations {
    margin: 24px 0 0;
    padding: 18px 20px;
    border: 1px solid #d8e1ea;
    border-radius: 10px;
    background: #f5f8fb;
    color: var(--i724-ink-700);
    font-size: .86rem;
    line-height: 1.62;
}

.i724-proof-next {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: end;
    gap: 36px;
    width: min(100%, 1180px);
    margin: clamp(72px, 9vw, 118px) auto 0;
    padding: clamp(26px, 4vw, 42px);
    border-radius: 18px;
    background: linear-gradient(135deg, #07172f, #0a2448);
    color: #fff;
}

.i724-proof-next h2 {
    max-width: 760px;
    margin: 12px 0 13px;
    font-size: clamp(2rem, 4vw, 4rem);
    line-height: .99;
    letter-spacing: -.05em;
}

.i724-proof-next p {
    max-width: 760px;
    margin: 0;
    color: #b7c8db;
    line-height: 1.65;
}

.i724-proof-next-actions {
    display: grid;
    justify-items: stretch;
    gap: 10px;
    min-width: min(100%, 290px);
}

.i724-proof-next-actions .i724-button,
.i724-proof-next-actions .i724-text-link {
    justify-content: center;
    text-align: center;
}

.i724-proof-next-actions .i724-text-link {
    color: var(--i724-cyan-2);
}

/* Method page. */
.i724-method-map {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(min(100%, 13.5rem), 1fr));
    gap: clamp(12px, 1.4vw, 18px);
    margin: 0;
}

.i724-method-map > * {
    display: grid;
    grid-template-columns: minmax(0, 1fr);
    grid-template-rows: auto 1fr;
    align-content: start;
    min-width: 0;
    min-height: 0;
    padding: clamp(21px, 2.2vw, 28px);
    border: 1px solid var(--i724-line-light);
    border-top: 4px solid var(--i724-blue-2);
    border-radius: 12px;
    background: linear-gradient(155deg, #f4f8fc, #fff);
}

.i724-method-map > * > div,
.i724-method-stage-copy {
    display: grid;
    align-content: start;
    gap: 12px;
    min-width: 0;
}

/* Backward-compatible block layout for prior managed stage bodies. */
.i724-method-map > * > span,
.i724-method-map > * > strong,
.i724-method-map > * > small,
.i724-method-map > * > p,
.i724-method-map > * > div > strong,
.i724-method-map > * > div > small,
.i724-method-map > * > div > p,
.i724-method-map > * > div > h3 {
    display: block;
    grid-column: auto;
    min-width: 0;
    max-width: 100%;
}

.i724-method-number,
.i724-method-map > * > span:first-child {
    width: fit-content;
    margin: 0 0 clamp(20px, 2.2vw, 30px);
    color: var(--i724-blue-2);
    font-family: var(--i724-font-mono);
    font-size: .74rem;
    font-weight: 900;
    line-height: 1.25;
}

.i724-method-map :is(h3, strong) {
    margin: 0;
    color: var(--i724-ink-950);
    font-size: clamp(1.2rem, 1.5vw, 1.42rem);
    line-height: 1.12;
    letter-spacing: -.025em;
    overflow-wrap: normal;
    word-break: normal;
    hyphens: none;
}

.i724-method-map :is(p, small),
.i724-method-stage-summary {
    margin: 0;
    color: var(--i724-ink-600);
    font-size: .9rem;
    line-height: 1.58;
    overflow-wrap: break-word;
    word-break: normal;
}

.i724-governance-spine {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 16px clamp(24px, 4vw, 52px);
    margin-top: 16px;
    padding: 22px 24px;
    border-radius: 12px;
    background: #07182f;
    color: #fff;
}

.i724-governance-spine-copy {
    display: grid;
    flex: 0 1 17rem;
    gap: 5px;
    min-width: 0;
}

.i724-governance-spine-copy strong,
.i724-governance-spine > strong {
    color: var(--i724-cyan-2);
    font-size: 1.03rem;
    line-height: 1.25;
}

.i724-governance-spine-copy span {
    color: #aebfd3;
    font-size: .82rem;
    line-height: 1.5;
}

.i724-governance-spine > strong {
    flex: 0 1 14rem;
}

.i724-governance-spine ul {
    display: grid;
    flex: 1 1 34rem;
    grid-template-columns: repeat(auto-fit, minmax(min(100%, 7.25rem), 1fr));
    gap: 8px;
    min-width: 0;
    margin: 0;
    padding: 0;
    list-style: none;
}

.i724-governance-spine li {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 40px;
    padding: 8px 10px;
    border: 1px solid rgba(126, 201, 255, .24);
    border-radius: 999px;
    color: #c8d6e8;
    font-size: .72rem;
    font-weight: 760;
    line-height: 1.25;
    text-align: center;
    white-space: normal;
    overflow-wrap: normal;
    word-break: normal;
}

.i724-method-rule-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(min(100%, 18rem), 1fr));
    gap: 14px;
}

.i724-method-rule-grid article,
.i724-gate-grid article,
.i724-risk-tier-grid article {
    display: grid;
    align-content: start;
    min-width: 0;
    padding: 24px;
    border: 1px solid var(--i724-line-light);
    border-radius: 12px;
    background: #f8fbfe;
}

.i724-method-rule-grid article > span,
.i724-gate-grid article > span,
.i724-risk-tier-grid article > span {
    display: block;
    width: fit-content;
    margin-bottom: 16px;
    color: var(--i724-blue-2);
    font-family: var(--i724-font-mono);
    font-size: .64rem;
    font-weight: 900;
    letter-spacing: .065em;
    text-transform: uppercase;
}

.i724-method-rule-grid h3,
.i724-gate-grid h3,
.i724-risk-tier-grid h3 {
    margin: 0 0 10px;
    color: var(--i724-ink-950);
    font-size: 1.25rem;
    line-height: 1.18;
}

.i724-method-rule-grid p,
.i724-gate-grid p {
    margin: 0;
    color: var(--i724-ink-600);
    font-size: .86rem;
    line-height: 1.62;
}

.i724-gate-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(min(100%, 24rem), 1fr));
    gap: 14px;
}

.i724-gate-grid article:last-child {
    grid-column: 1 / -1;
}

.i724-gate-grid article > strong {
    display: block;
    margin-top: 18px;
    padding-top: 15px;
    border-top: 1px solid #dbe5ef;
    color: var(--i724-blue-2);
    font-size: .8rem;
    line-height: 1.45;
}

.i724-risk-tier-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(min(100%, 26rem), 1fr));
    gap: 16px;
}

.i724-risk-tier-grid article:last-child {
    border-color: #e8c3c8;
    background: #fff7f8;
}

.i724-risk-tier-grid .i724-check-list {
    margin-bottom: 0;
}



/* Intrinsic compaction: the method must stay readable when the content region is
   narrow even if the browser viewport still matches desktop media queries. */
.i724-method-content {
    container-type: inline-size;
    container-name: i724-method-content;
}

@container i724-method-content (max-width: 42rem) {
    .i724-governance-spine {
        display: grid;
        grid-template-columns: 1fr;
        gap: 12px;
        padding: 16px;
    }

    .i724-governance-spine-copy,
    .i724-governance-spine > strong,
    .i724-governance-spine ul {
        width: 100%;
        flex-basis: auto;
    }

    .i724-governance-spine-copy span {
        display: none;
    }

    .i724-governance-spine-copy strong,
    .i724-governance-spine > strong {
        font-size: .9rem;
    }

    .i724-governance-spine ul {
        grid-template-columns: repeat(7, minmax(0, 1fr));
        gap: 5px;
    }

    .i724-governance-spine li {
        min-height: 28px;
        padding: 4px;
        font-size: .55rem;
    }
}

@container i724-method-content (max-width: 22rem) {
    .i724-governance-spine ul {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

/* Tables in legacy/local content stay local rather than widening the page. */
.i724-proof-content .i724-table-wrap,
.i724-method-content .i724-table-wrap {
    max-width: 100%;
    overflow-x: auto;
    overscroll-behavior-inline: contain;
    -webkit-overflow-scrolling: touch;
}

/* Specialized pages rely on the footer conversion block; do not reserve space for a duplicate page CTA. */
.i724-proof-page + .i724-final-cta,
.i724-method-page + .i724-final-cta {
    display: none;
}

@media (max-width: 1180px) {
    .i724-proof-hero-grid,
    .i724-method-hero-grid {
        gap: 42px;
    }

    .i724-capability-grid,
    .i724-evidence-card-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 900px) {
    .i724-proof-hero-grid,
    .i724-method-hero-grid,
    .i724-proof-section-head-split,
    .i724-method-section-head-split,
    .i724-proof-next {
        grid-template-columns: 1fr;
        align-items: start;
    }

    .i724-proof-standard,
    .i724-method-standard {
        max-width: 720px;
    }

    .i724-proof-lane-grid,
    .i724-proof-content .i724-heritage-timeline,
    .i724-gate-grid,
    .i724-risk-tier-grid {
        grid-template-columns: 1fr;
    }

    .i724-gate-grid article:last-child {
        grid-column: auto;
    }

    .i724-proof-check-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .i724-proof-next-actions {
        width: min(100%, 430px);
    }
}

@media (max-width: 760px) {
    .i724-governance-spine {
        align-items: flex-start;
    }

    .i724-governance-spine-copy,
    .i724-governance-spine > strong,
    .i724-governance-spine ul {
        flex-basis: 100%;
    }

    .i724-proof-hero,
    .i724-method-hero {
        padding-top: 24px;
    }

    .i724-proof-hero-grid,
    .i724-method-hero-grid {
        padding-top: 34px;
    }

    .i724-proof-hero h1,
    .i724-method-hero h1 {
        font-size: clamp(3rem, 14vw, 5rem);
    }

    .i724-proof-jump,
    .i724-method-jump {
        position: static;
    }

    .i724-proof-jump .i724-shell,
    .i724-method-jump .i724-shell {
        display: grid;
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 4px;
    }

    .i724-proof-jump a,
    .i724-method-jump a {
        justify-content: center;
        text-align: center;
    }

    .i724-capability-grid,
    .i724-evidence-card-grid,
    .i724-method-rule-grid,
    .i724-proof-check-grid {
        grid-template-columns: 1fr;
    }

    .i724-method-map {
        grid-template-columns: repeat(auto-fit, minmax(min(100%, 13.5rem), 1fr));
    }

    .i724-method-map > * {
        min-height: 0;
    }

    .i724-proof-artifact-wide {
        grid-column: auto;
    }

    .i724-proof-boundary-note,
    .i724-evidence-taxonomy > div,
    .i724-option-matrix > div {
        grid-template-columns: 1fr;
        gap: 8px;
    }

    .i724-option-matrix strong {
        grid-row: auto;
    }

    .i724-decision-band {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .i724-proof-content .i724-heritage-event {
        grid-template-columns: 1fr;
        gap: 8px;
    }

    .i724-proof-content .i724-heritage-event > time {
        font-size: .74rem;
    }
}

@media (max-width: 430px) {
    .i724-governance-spine ul {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .i724-proof-jump .i724-shell,
    .i724-method-jump .i724-shell,
    .i724-decision-band {
        grid-template-columns: 1fr;
    }

    .i724-proof-lane {
        grid-template-columns: 1fr;
    }

    .i724-proof-lane-index {
        width: 38px;
        height: 38px;
    }


    .i724-proof-standard,
    .i724-method-standard,
    .i724-proof-lane,
    .i724-capability-grid article,
    .i724-method-rule-grid article,
    .i724-gate-grid article,
    .i724-risk-tier-grid article,
    .i724-evidence-card-grid article {
        padding: 19px;
    }
}

@media (max-width: 320px) {
    .i724-governance-spine ul {
        grid-template-columns: 1fr;
    }
}

@media (prefers-reduced-motion: reduce) {
    .i724-proof-jump,
    .i724-method-jump {
        scroll-behavior: auto;
    }
}

@media (forced-colors: active) {
    .i724-proof-standard,
    .i724-method-standard,
    .i724-proof-lane,
    .i724-capability-grid article,
    .i724-method-map > *,
    .i724-method-rule-grid article,
    .i724-gate-grid article,
    .i724-risk-tier-grid article,
    .i724-evidence-card-grid article,
    .i724-proof-next {
        border: 1px solid CanvasText;
    }
}

@media print {
    .i724-proof-jump,
    .i724-method-jump,
    .i724-proof-next {
        display: none !important;
    }

    .i724-proof-hero,
    .i724-method-hero {
        background: #fff !important;
        color: #000 !important;
    }
}

/* Explicit Proof Center evidence lanes. */
.i724-proof-lane.is-outcome { border-top: 4px solid #6a4bd8; }
.i724-proof-lane.is-method { border-top: 4px solid #0b7c72; }

/* Methods-library cards need enough measure for multi-word titles and real
   implementation detail; five equal columns created clipped headings. */
.i724-method-kit-grid {
    grid-template-columns: repeat(auto-fit, minmax(min(100%, 16rem), 1fr));
}