/* Use-case pages and the homepage workflow directory. */
.uc-page { --font-body: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; --font-heading: var(--font-body); }
.uc-main { max-width: 1200px; padding: 0 40px; margin: 0 auto; }
.uc-page a:focus-visible, .uc-page button:focus-visible, .uc-page summary:focus-visible,
.uc-home a:focus-visible { outline: 3px solid var(--accent-light); outline-offset: 5px; }
.uc-skip { position: fixed; top: -100px; left: 16px; z-index: 2000; padding: 12px 20px; background: var(--bg-card); border: 2px solid var(--accent-light); border-radius: 8px; }
.uc-skip:focus { top: 12px; }
.uc-mobile-nav { display: none; }
.uc-breadcrumbs { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; padding-top: 28px; font-size: .8rem; color: var(--text-secondary); }
.uc-breadcrumbs a:hover { color: var(--accent-light); text-decoration: underline; }
.uc-eyebrow { color: var(--accent-light); text-transform: uppercase; font-size: .72rem; letter-spacing: .13em; font-weight: 700; margin-bottom: 18px; }
.uc-hero { display: grid; grid-template-columns: minmax(0, 1.5fr) minmax(0, 1fr); gap: 64px; align-items: center; padding: 65px 0 52px; }
.uc-hero h1, .uc-hub-hero h1 { font-size: clamp(2.5rem, 4.5vw, 4.4rem); letter-spacing: -.055em; line-height: 1.04; text-wrap: balance; }
.uc-lede { font-size: 1.15rem; line-height: 1.75; color: var(--text-secondary); margin: 26px 0; max-width: 640px; }
.uc-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 22px; margin: 30px 0 18px; }
.uc-text-link { color: var(--accent-light); font-size: .92rem; font-weight: 600; }
.uc-text-link:hover { text-decoration: underline; text-underline-offset: 4px; }
.uc-small { font-size: .8rem; color: var(--text-secondary); line-height: 1.6; }
.uc-small a, .uc-note a, .uc-scenarios p a, .uc-demo figcaption a { text-decoration: underline; text-underline-offset: 3px; }
.uc-query-panel { border: 1px solid var(--border-card); border-radius: 22px; padding: 32px; background: linear-gradient(145deg, var(--accent-glow), transparent 80%), var(--bg-elevated); }
.uc-query-panel h2 { font-size: 1.45rem; line-height: 1.3; letter-spacing: -.025em; margin-bottom: 28px; }
.uc-query-panel ul { list-style: none; }
.uc-query-panel li { padding: 15px 0; border-top: 1px solid var(--border-card); }
.uc-query-panel li span { display: block; text-transform: uppercase; letter-spacing: .07em; font-size: .65rem; color: var(--text-secondary); margin-bottom: 5px; }
.uc-query-panel q { font-size: 1rem; font-weight: 500; }
.uc-query-panel .uc-small { margin-top: 20px; font-size: .72rem; }
.uc-summary { padding: 25px 0; border-top: 1px solid var(--border-card); border-bottom: 1px solid var(--border-card); font-size: 1rem; color: var(--text-secondary); line-height: 1.8; }
.uc-scenarios { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 38px; padding: 65px 0 75px; }
.uc-step-num { display: block; color: var(--accent-light); font-family: ui-monospace, monospace; font-size: .78rem; margin-bottom: 18px; }
.uc-scenarios h2 { font-size: 1.5rem; line-height: 1.25; margin-bottom: 16px; }
.uc-scenarios p, .uc-workflow p, .uc-note p, .uc-faq p, .uc-card p { color: var(--text-secondary); line-height: 1.8; font-size: .98rem; }
.uc-workflow { display: grid; grid-template-columns: 1fr 1.25fr; gap: 70px; padding: 55px; border-radius: 22px; background: var(--bg-elevated); scroll-margin-top: 110px; }
.uc-workflow h2 { font-size: 2.2rem; line-height: 1.15; margin-bottom: 26px; }
.uc-workflow ol { list-style: none; counter-reset: uc-steps; }
.uc-workflow li { counter-increment: uc-steps; position: relative; padding: 0 0 28px 42px; }
.uc-workflow li:last-child { padding-bottom: 0; }
.uc-workflow li::before { content: counter(uc-steps); position: absolute; left: 0; top: 0; width: 27px; height: 27px; border: 1px solid var(--border-card); border-radius: 50%; text-align: center; font-size: .8rem; color: var(--accent-light); line-height: 25px; }
.uc-workflow h3 { font-size: 1.1rem; margin-bottom: 8px; }
.uc-demo { padding: 75px 0 55px; }
.uc-demo h2 { font-size: 2.1rem; margin-bottom: 28px; }
.uc-demo figure { max-width: 900px; margin: 0 auto; }
.uc-demo video { display: block; width: 100%; aspect-ratio: 16/10; object-fit: contain; background: var(--bg-elevated); border: 1px solid var(--border-card); border-radius: 16px; }
.uc-demo figcaption { font-size: .78rem; line-height: 1.7; color: var(--text-secondary); margin-top: 14px; }
.uc-note { border-left: 3px solid var(--accent-light); padding: 25px 30px; background: var(--accent-glow); border-radius: 0 12px 12px 0; }
.uc-note h2 { font-size: 1.25rem; margin-bottom: 10px; }
.uc-faq { padding: 75px 0; max-width: 820px; margin: auto; }
.uc-faq h2 { font-size: 2.1rem; margin-bottom: 28px; }
.uc-faq details { border-bottom: 1px solid var(--border-card); }
.uc-faq summary { padding: 20px 5px; cursor: pointer; font-weight: 600; font-size: 1rem; }
.uc-faq details p { padding: 0 5px 22px; }
.uc-related { padding: 45px 0 60px; border-top: 1px solid var(--border-card); }
.uc-related h2, .uc-hub-cases > h2 { font-size: 1.8rem; margin-bottom: 26px; }
.uc-card-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 20px; }
.uc-card { display: flex; flex-direction: column; align-items: flex-start; padding: 30px; border: 1px solid var(--border-card); border-radius: 16px; background: var(--bg-card); transition: border-color .2s, background-color .2s; }
.uc-card:hover { border-color: var(--accent-light); background: var(--bg-card-hover); }
.uc-card-index { color: var(--accent-light); font-family: ui-monospace, monospace; font-size: .78rem; margin-bottom: 25px; }
.uc-card h3 { font-size: 1.5rem; margin-bottom: 12px; }
.uc-card p { margin-bottom: 25px; }
.uc-card-link { color: var(--accent-light); font-size: .85rem; font-weight: 600; margin-top: auto; display: flex; justify-content: space-between; gap: 20px; width: 100%; }
.uc-related > .uc-text-link { display: inline-block; margin-top: 24px; }
.uc-cta { text-align: center; padding: 65px 20px 85px; }
.uc-cta h2 { font-size: clamp(2rem, 4vw, 3.4rem); max-width: 750px; margin: 0 auto 30px; text-wrap: balance; }
.uc-cta > .uc-text-link { display: block; margin-top: 18px; }
.uc-hub-hero { padding: 65px 0 60px; }
.uc-hub-hero h1 { font-size: clamp(3.2rem, 7vw, 6rem); }
.uc-hub-hero .uc-lede { max-width: 660px; }
.uc-hub-cases { margin-bottom: 70px; }
.uc-hub-cases .uc-card:first-child { grid-column: 1 / -1; background: linear-gradient(110deg, var(--accent-glow), transparent), var(--bg-elevated); }
.uc-hub-cases .uc-card:first-child h3 { font-size: 2rem; }
.uc-hub-cases .uc-card:first-child p { max-width: 620px; }
.uc-modes { display: grid; gap: 26px; }
.uc-modes a { font-size: .85rem; color: var(--accent-light); text-decoration: underline; text-underline-offset: 3px; }
.uc-hub-cases + .uc-workflow { margin-bottom: 45px; }
.uc-home { max-width: 1200px; margin: auto; padding: 80px 40px; }
.uc-home > h2 { max-width: 690px; margin-bottom: 24px; }
.uc-home > p:not(.uc-eyebrow) { color: var(--text-secondary); max-width: 620px; margin-bottom: 32px; }
.uc-home .uc-card-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.uc-home > .uc-text-link { display: inline-block; margin-top: 25px; }
@media (max-width: 1024px) {
    .uc-hero { gap: 30px; }
    .uc-query-panel { padding: 24px; }
    .uc-workflow { padding: 35px; gap: 35px; }
    .uc-scenarios { gap: 24px; }
    .uc-mobile-nav { display: block; padding: 12px 24px; border-bottom: 1px solid var(--border-card); font-size: .85rem; }
    .uc-mobile-nav summary { cursor: pointer; }
    .uc-mobile-nav nav { display: flex; flex-wrap: wrap; gap: 14px 24px; padding-top: 15px; }
    .uc-mobile-nav a { color: var(--accent-light); }
}
@media (max-width: 760px) {
    .uc-main { padding: 0 22px; }
    .uc-hero { grid-template-columns: 1fr; padding-top: 40px; gap: 35px; }
    .uc-hero h1 { font-size: clamp(2.4rem, 8vw, 3.5rem); }
    .uc-lede { font-size: 1.05rem; }
    .uc-scenarios { grid-template-columns: 1fr; gap: 35px; padding: 45px 0; }
    .uc-workflow { grid-template-columns: 1fr; padding: 26px; gap: 28px; }
    .uc-workflow h2 { font-size: 1.8rem; }
    .uc-card-grid, .uc-home .uc-card-grid { grid-template-columns: 1fr; }
    .uc-card { padding: 25px; }
    .uc-card-index { margin-bottom: 15px; }
    .uc-demo { padding: 50px 0 35px; }
    .uc-faq { padding: 50px 0; }
    .uc-demo h2, .uc-faq h2 { font-size: 1.8rem; }
    .uc-note { padding: 22px; }
    .uc-hub-hero { padding: 45px 0; }
    .uc-cta { padding: 35px 0 60px; }
    .uc-home { padding: 55px 22px; }
    .uc-page .navbar { gap: 12px; padding: 14px 18px; }
    .uc-page .nav-right { gap: 10px; }
    .uc-page .nav-right .btn { padding: 9px 12px; font-size: .8rem; }
}
@media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
    .uc-page *, .uc-home * { transition: none; }
}