.detail-page {
    background: #fff;
}

.detail-page .site-header {
    position: sticky;
}

.detail-page .primary-menu a[aria-current="page"] {
    color: var(--ink);
}

.detail-page .primary-menu a[aria-current="page"]::after {
    transform: scaleX(1);
}

.breadcrumbs {
    padding: 24px 0 0;
    color: var(--muted);
    font-size: 14px;
}

.breadcrumbs ol {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    padding: 0;
    margin: 0;
    list-style: none;
}

.breadcrumbs li + li::before {
    content: "/";
    margin-right: 8px;
    color: #a1a7b3;
}

.breadcrumbs a:hover,
.breadcrumbs a:focus-visible {
    color: var(--blue);
}

.detail-hero {
    position: relative;
    padding: 86px 0 92px;
    color: #fff;
    background:
        radial-gradient(circle at 85% 20%, rgba(233, 72, 32, .34), transparent 34%),
        linear-gradient(135deg, #101217 0%, #172136 100%);
    overflow: hidden;
}

.detail-hero::after {
    content: "";
    position: absolute;
    right: -120px;
    bottom: -180px;
    width: 420px;
    height: 420px;
    border: 1px solid rgba(255, 255, 255, .12);
    border-radius: 50%;
}

.detail-hero .shell {
    position: relative;
    z-index: 1;
}

.detail-hero .eyebrow {
    color: #ff8a6d;
}

.detail-hero h1 {
    max-width: 920px;
    margin: 14px 0 22px;
    font-size: clamp(42px, 6vw, 76px);
    line-height: 1.08;
    letter-spacing: -.055em;
}

.detail-hero .detail-lead {
    max-width: 760px;
    margin: 0;
    color: rgba(255, 255, 255, .76);
    font-size: clamp(18px, 2vw, 22px);
    line-height: 1.75;
}

.detail-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-top: 34px;
}

.button-ghost {
    color: #fff;
    border-color: rgba(255, 255, 255, .36);
    background: rgba(255, 255, 255, .05);
}

.detail-section {
    padding: 88px 0;
}

.detail-section.is-soft {
    background: var(--soft);
}

.detail-section.is-dark {
    color: #fff;
    background: var(--navy);
}

.detail-heading {
    max-width: 800px;
    margin-bottom: 38px;
}

.detail-heading h2 {
    margin: 10px 0 14px;
    font-size: clamp(32px, 4vw, 52px);
    line-height: 1.18;
    letter-spacing: -.045em;
}

.detail-heading p:last-child {
    margin: 0;
    color: var(--muted);
    font-size: 18px;
}

.is-dark .detail-heading p:last-child {
    color: rgba(255, 255, 255, .72);
}

.answer-box {
    padding: 34px;
    margin-bottom: 42px;
    border: 1px solid rgba(233, 72, 32, .22);
    border-left: 5px solid var(--blue);
    border-radius: 20px;
    background: #fff8f5;
}

.answer-box strong {
    display: block;
    margin-bottom: 8px;
    color: var(--blue-dark);
    font-size: 14px;
    letter-spacing: .08em;
}

.answer-box p {
    margin: 0;
    font-size: clamp(20px, 2.4vw, 28px);
    font-weight: 800;
    line-height: 1.5;
    letter-spacing: -.025em;
}

.detail-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 20px;
}

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

.detail-card {
    min-height: 100%;
    padding: 30px;
    border: 1px solid var(--line);
    border-radius: 22px;
    background: #fff;
}

.detail-card > span,
.detail-card .card-label {
    display: inline-block;
    margin-bottom: 18px;
    color: var(--blue);
    font-size: 13px;
    font-weight: 900;
    letter-spacing: .08em;
}

.detail-card h2,
.detail-card h3 {
    margin: 0 0 12px;
    font-size: 24px;
    line-height: 1.3;
    letter-spacing: -.035em;
}

.detail-card p {
    margin: 0;
    color: var(--muted);
}

.detail-card ul {
    padding-left: 20px;
    margin: 18px 0 0;
    color: var(--muted);
}

.detail-card a.card-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    margin-top: 22px;
    color: var(--blue-dark);
    font-weight: 900;
}

.detail-card a.card-link:hover,
.detail-card a.card-link:focus-visible {
    text-decoration: underline;
    text-underline-offset: 4px;
}

.step-list {
    display: grid;
    gap: 14px;
    padding: 0;
    margin: 0;
    list-style: none;
    counter-reset: detail-step;
}

.step-list li {
    display: grid;
    grid-template-columns: 56px 1fr;
    gap: 20px;
    align-items: start;
    padding: 24px 0;
    border-bottom: 1px solid var(--line);
    counter-increment: detail-step;
}

.step-list li::before {
    content: counter(detail-step, decimal-leading-zero);
    color: var(--blue);
    font-size: 22px;
    font-weight: 900;
}

.step-list h3 {
    margin: 0 0 6px;
    font-size: 22px;
}

.step-list p {
    margin: 0;
    color: var(--muted);
}

.fact-strip {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1px;
    margin-top: 38px;
    border: 1px solid var(--line);
    border-radius: 22px;
    background: var(--line);
    overflow: hidden;
}

.fact-strip > div {
    padding: 28px;
    background: #fff;
}

.fact-strip strong {
    display: block;
    margin-bottom: 8px;
    color: var(--blue);
    font-size: clamp(26px, 3vw, 42px);
    letter-spacing: -.04em;
}

.fact-strip span {
    color: var(--muted);
    font-size: 14px;
}

.case-proof {
    display: grid;
    grid-template-columns: minmax(0, 1.15fr) minmax(300px, .85fr);
    gap: 36px;
    align-items: center;
}

.case-proof figure {
    padding: 18px;
    margin: 0;
    border: 1px solid var(--line);
    border-radius: 24px;
    background: #fff;
    box-shadow: var(--shadow);
}

.case-proof img {
    width: 100%;
    border-radius: 14px;
}

.case-proof figcaption {
    padding: 14px 4px 0;
    color: var(--muted);
    font-size: 13px;
}

.evidence-list {
    display: grid;
    gap: 14px;
    padding: 0;
    margin: 0;
    list-style: none;
}

.evidence-list li {
    padding: 18px 20px;
    border: 1px solid var(--line);
    border-radius: 16px;
    background: #fff;
}

.evidence-list strong {
    display: block;
    margin-bottom: 4px;
}

.evidence-list span {
    color: var(--muted);
}

.caution-box {
    padding: 28px;
    border-radius: 20px;
    color: #fff;
    background: var(--navy);
}

.caution-box h2,
.caution-box h3 {
    margin-top: 0;
}

.caution-box ul {
    padding-left: 20px;
    margin-bottom: 0;
    color: rgba(255, 255, 255, .76);
}

.detail-faq {
    display: grid;
    gap: 12px;
}

.detail-faq details {
    padding: 0 24px;
    border: 1px solid var(--line);
    border-radius: 16px;
    background: #fff;
}

.detail-faq summary {
    padding: 22px 0;
    cursor: pointer;
    font-weight: 900;
}

.detail-faq details p {
    padding: 0 0 22px;
    margin: 0;
    color: var(--muted);
}

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

.related-links a {
    padding: 22px;
    border: 1px solid rgba(255, 255, 255, .16);
    border-radius: 16px;
    color: #fff;
    background: rgba(255, 255, 255, .05);
}

.related-links strong {
    display: block;
    margin-bottom: 4px;
}

.related-links span {
    color: rgba(255, 255, 255, .65);
    font-size: 14px;
}

.detail-cta {
    padding: 72px 0;
    text-align: center;
    background: #fff6f2;
}

.detail-cta h2 {
    margin: 0 0 14px;
    font-size: clamp(32px, 4vw, 50px);
    line-height: 1.2;
    letter-spacing: -.045em;
}

.detail-cta p {
    max-width: 680px;
    margin: 0 auto 28px;
    color: var(--muted);
    font-size: 18px;
}

.footer-links {
    display: flex;
    flex-wrap: wrap;
    gap: 14px 22px;
    margin-top: 16px;
    color: rgba(255, 255, 255, .7);
    font-size: 14px;
}

.footer-links a:hover,
.footer-links a:focus-visible {
    color: #fff;
    text-decoration: underline;
}

.page-updated {
    margin-top: 24px;
    color: rgba(255, 255, 255, .55);
    font-size: 13px;
}

@media (max-width: 900px) {
    .detail-grid,
    .detail-grid.two,
    .related-links {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

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

@media (max-width: 640px) {
    .detail-hero {
        padding: 60px 0 68px;
    }

    .detail-hero h1 {
        font-size: 40px;
    }

    .detail-section {
        padding: 64px 0;
    }

    .detail-grid,
    .detail-grid.two,
    .related-links,
    .fact-strip {
        grid-template-columns: 1fr;
    }

    .answer-box,
    .detail-card,
    .caution-box {
        padding: 24px;
    }

    .step-list li {
        grid-template-columns: 44px 1fr;
        gap: 12px;
    }
}