* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; min-width: 20rem; }
button, summary { font: inherit; }
button { display: inline-flex; align-items: center; gap: .45rem; }
button { min-height: 2.75rem; border: 1px solid var(--titan-border-strong); border-radius: .55rem; padding: .55rem .85rem; background: var(--titan-surface); color: inherit; cursor: pointer; }
button:hover:not(:disabled) { border-color: var(--titan-green-700); transform: translateY(-1px); }
button:focus-visible, summary:focus-visible, .skip-link:focus { outline: 3px solid var(--titan-focus-ring); outline-offset: 3px; }
button:disabled { cursor: not-allowed; color: var(--titan-muted); background: var(--titan-border-warm); border-color: var(--titan-border-strong); transform: none; }
button, .tour-step, .progress-track span { transition: transform .2s ease, border-color .2s ease, background-color .2s ease, width .25s ease; }
h1, h2, h3, h4, p { margin: 0; }
h1, h2, h3 { line-height: 1.12; letter-spacing: -.025em; }
code { font: .86rem/1.45 "Cascadia Code", "SFMono-Regular", Consolas, monospace; overflow-wrap: anywhere; }
small { color: var(--titan-muted); }
.ui-icon { width: 1rem; height: 1rem; flex: 0 0 auto; fill: none; stroke: currentColor; stroke-linecap: round; stroke-linejoin: round; stroke-width: 2; }
.skip-link { position: absolute; top: .5rem; left: .5rem; z-index: 20; transform: translateY(-180%); background: var(--titan-ink); color: var(--titan-white); padding: .65rem 1rem; border-radius: .4rem; }
.skip-link:focus { transform: none; }
.shell { width: min(100%, var(--titan-max-width)); margin: 0 auto; padding: .85rem 1rem 1.5rem; }
.mode-panel[hidden], .tour-step[hidden], .alert[hidden] { display: none; }
.eyebrow, .step-number { color: var(--titan-green-700); font-size: .73rem; font-weight: 800; letter-spacing: .12em; text-transform: uppercase; }
.empty { color: var(--titan-muted); padding: .7rem 0; }

.product-header { display: flex; flex-direction: column; gap: .75rem; padding: .15rem 0 .8rem; border-bottom: 1px solid var(--titan-border); }
.product-lockup { max-width: 56rem; }
.product-name { margin-top: .15rem; color: var(--titan-green-700); font-size: 1.15rem; font-weight: 850; letter-spacing: -.03em; }
.product-lockup h1 { max-width: 29ch; margin-top: .3rem; font-size: clamp(1.85rem, 4vw, 2.65rem); letter-spacing: -.05em; }
.hero-support { max-width: 72ch; margin-top: .45rem; color: var(--titan-muted); font-size: clamp(.95rem, 1.6vw, 1.05rem); }
.product-line { margin-top: .55rem; color: var(--titan-muted); font-size: .82rem; font-weight: 750; letter-spacing: .035em; text-transform: uppercase; }
.demo-label { display: inline-flex; margin-top: .4rem; border-left: 3px solid var(--titan-green-700); padding-left: .6rem; color: var(--titan-muted); font-size: .86rem; font-weight: 650; }
.header-actions { display: flex; flex-wrap: wrap; gap: .65rem; align-items: center; }
.trust-badges { display: flex; flex-wrap: wrap; gap: .4rem; }
.trust-badges b, .badge { display: inline-flex; align-items: center; border: 1px solid var(--titan-border); border-radius: 99rem; background: var(--titan-surface); padding: .25rem .55rem; font-size: .78rem; font-weight: 700; }
.secondary { background: transparent; }
.primary { background: var(--titan-ink); border-color: var(--titan-ink); color: var(--titan-white); font-weight: 750; }

.credibility-strip { display: grid; grid-template-columns: 1fr; gap: .55rem; margin: .7rem 0; }
.credibility-strip article { display: flex; gap: .7rem; min-width: 0; border: 1px solid var(--titan-border); border-radius: .75rem; background: var(--titan-surface); padding: .65rem .8rem; }
.proof-icon { display: grid; place-items: center; flex: 0 0 2rem; width: 2rem; height: 2rem; border: 1px solid var(--titan-green-700); border-radius: 50%; color: var(--titan-green-700); font-weight: 900; }
.credibility-strip small { display: block; margin-bottom: .12rem; color: var(--titan-green-700); font-size: .68rem; font-weight: 800; letter-spacing: .09em; }
.credibility-strip strong { display: block; font-size: .94rem; }
.credibility-strip p, .credibility-strip code { display: block; margin-top: .15rem; color: var(--titan-muted); font-size: .76rem; }
.scale-proof code { margin-top: .35rem; color: var(--titan-ink); }

.mode-switch { display: grid; grid-template-columns: 1fr; gap: .5rem; margin: .7rem 0; padding: .3rem; border: 1px solid var(--titan-border); border-radius: var(--titan-radius-card); background: var(--titan-surface-soft); }
.mode-switch button { display: grid; grid-template-columns: 2rem 1fr; grid-template-rows: auto auto; align-items: center; gap: 0 .55rem; min-height: 3.75rem; text-align: left; border-color: transparent; background: transparent; }
.mode-switch button > span { grid-row: 1 / 3; display: grid; place-items: center; width: 2rem; height: 2rem; border: 1px solid var(--titan-border-strong); border-radius: 50%; }
.mode-switch button small { font-size: .78rem; }
.mode-switch button[aria-pressed="true"] { background: var(--titan-surface); border-color: var(--titan-border-strong); box-shadow: var(--titan-shadow-hairline); }
.mode-switch button[aria-pressed="true"] > span { background: var(--titan-green-700); border-color: var(--titan-green-700); color: var(--titan-white); }

.alert { display: flex; flex-direction: column; gap: .7rem; margin: 1rem 0; border: 1px solid var(--titan-danger-border); border-left: 4px solid var(--titan-danger); border-radius: .6rem; background: var(--titan-danger-soft); padding: .8rem 1rem; }
.alert details { margin-top: .3rem; }
.alert code { font-size: .8rem; }

.demo-runner { display: grid; grid-template-columns: 1fr; gap: .7rem; margin: .7rem 0; border: 1px solid var(--titan-border-strong); border-left: 5px solid var(--titan-green-700); border-radius: var(--titan-radius-card); background: var(--titan-surface); padding: .8rem; box-shadow: var(--titan-shadow-soft); }
.runner-copy h2 { margin: .18rem 0 .25rem; font-size: 1.22rem; }
.runner-copy p:last-child { max-width: 68ch; color: var(--titan-muted); font-size: .9rem; }
.runner-actions { display: flex; flex-wrap: wrap; gap: .5rem; }
.runner-actions button { flex: 1 1 8.5rem; justify-content: center; }
.run-progress { align-self: center; }
.progress-track { height: .45rem; overflow: hidden; border-radius: 99rem; background: var(--titan-border); }
.progress-track span { display: block; width: 0; height: 100%; background: var(--titan-green-700); }
#full-demo-status { display: block; margin-top: .4rem; color: var(--titan-muted); font-size: .82rem; font-weight: 650; }
.progress-steps { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: .45rem; margin: 0; padding: 0; list-style: none; }
.progress-steps li { display: grid; grid-template-columns: 1rem minmax(0, 1fr); min-width: 0; gap: .05rem .3rem; border-top: 2px solid var(--titan-border); padding-top: .35rem; color: var(--titan-muted); font-size: .7rem; }
.progress-steps li > .ui-icon { grid-row: 1 / 3; margin-top: .1rem; color: var(--titan-border-strong); }
.progress-steps b, .progress-steps small { display: block; }
.progress-steps small { margin-top: .08rem; overflow-wrap: anywhere; font-size: .68rem; }
.progress-steps li[data-status="complete"] { border-color: var(--titan-green-700); color: var(--titan-green-700); font-weight: 800; }
.progress-steps li[data-status="complete"] > .ui-icon { color: var(--titan-success); }
.progress-steps li[data-status="current"] { border-color: var(--titan-warning); color: var(--titan-warning); font-weight: 800; }

.tour-heading, .inspector-heading { display: flex; flex-direction: column; gap: .45rem; margin: 1rem 0 .7rem; }
.tour-heading h2, .inspector-heading h2 { margin-top: .25rem; font-size: clamp(1.55rem, 4vw, 2.35rem); }
.tour-heading > p, .inspector-heading > p { max-width: 52ch; color: var(--titan-muted); }
.tour-rail { display: grid; grid-template-columns: repeat(5, minmax(8.5rem, 1fr)); gap: .45rem; overflow-x: auto; padding: 0 0 .45rem; }
.tour-rail button { display: grid; grid-template-columns: 2.1rem 1fr; grid-template-rows: auto auto; min-height: 4.4rem; text-align: left; border-color: var(--titan-border); background: var(--titan-ivory-translucent); }
.tour-rail button > span { grid-row: 1 / 3; align-self: center; color: var(--titan-muted); font: 800 .72rem/1 "Cascadia Code", Consolas, monospace; }
.tour-rail button small { font-size: .72rem; }
.tour-rail button[data-status="complete"] > span::after { content: " done"; color: var(--titan-success); }
.tour-rail button[aria-current="step"] { border-color: var(--titan-green-700); background: var(--titan-surface); box-shadow: inset 0 -3px 0 var(--titan-green-700); }
.tour-step { margin-top: .6rem; border: 1px solid var(--titan-border); border-radius: var(--titan-radius-card); background: var(--titan-surface); padding: clamp(1rem, 2.5vw, 1.75rem); box-shadow: var(--titan-shadow-soft); animation: tour-in .24s ease both; }
.step-intro { max-width: 60rem; }
.step-intro h2 { max-width: 22ch; margin: .45rem 0 .6rem; font-size: clamp(1.7rem, 5vw, 3rem); }
.step-intro > p:last-child { max-width: 68ch; color: var(--titan-muted); font-size: 1rem; }
.step-next { display: flex; align-items: center; justify-content: space-between; gap: 1rem; width: 100%; margin-top: 1.25rem; border-color: var(--titan-ink); font-weight: 750; text-align: left; }

.memory-conflict { display: grid; grid-template-columns: 1fr; gap: .7rem; align-items: stretch; margin: 1.5rem 0; }
.memory-card { position: relative; min-height: 12rem; border: 1px solid var(--titan-border); border-radius: .8rem; padding: 1.1rem; }
.memory-card .state-icon { display: grid; place-items: center; width: 2.4rem; height: 2.4rem; margin-bottom: 1.5rem; border: 1px solid currentColor; border-radius: 50%; font-weight: 900; }
.memory-card h3 { margin: .3rem 0 .6rem; font-size: 1.2rem; }
.memory-card code { display: inline-block; margin-bottom: .7rem; border: 1px solid var(--titan-border); border-radius: .3rem; background: var(--titan-white-translucent); padding: .2rem .4rem; }
.memory-card p { color: var(--titan-muted); }
.memory-card.legacy { background: var(--titan-danger-soft); color: var(--titan-danger); }
.memory-card.current { background: var(--titan-green-100); color: var(--titan-green-800); }
.mix-risk { display: flex; flex-direction: column; align-items: center; justify-content: center; min-height: 7rem; border: 1px dashed var(--titan-warning-border-strong); border-radius: .8rem; background: var(--titan-warning-soft); color: var(--titan-warning); text-align: center; }
.mix-risk > span { display: grid; place-items: center; width: 2rem; height: 2rem; margin-bottom: .35rem; border: 1px solid currentColor; border-radius: 50%; font-weight: 900; }
.mix-risk small { max-width: 13rem; color: var(--titan-warning-text-muted); }
blockquote { margin: 1.2rem 0; border-left: 4px solid var(--titan-green-700); padding: .2rem 0 .2rem 1rem; font-size: clamp(1.08rem, 2.5vw, 1.35rem); font-weight: 720; }
.vault-strip { display: flex; flex-wrap: wrap; gap: .4rem; border-top: 1px solid var(--titan-border); padding-top: 1rem; }
.vault-strip span { border: 1px solid var(--titan-border); border-radius: 99rem; padding: .3rem .55rem; color: var(--titan-muted); font-size: .8rem; }
.vault-strip b { color: var(--titan-ink); }

.tour-comparison { display: grid; grid-template-columns: 1fr; gap: .7rem; align-items: center; margin-top: 1.5rem; }
.tour-comparison article { border: 1px solid var(--titan-border); border-radius: .85rem; padding: 1rem; background: var(--titan-surface-neutral); }
.tour-comparison article.current-pack { border: 2px solid var(--titan-green-700); background: var(--titan-green-100); }
.tour-comparison header { display: flex; justify-content: space-between; gap: 1rem; align-items: center; margin-bottom: 1rem; color: var(--titan-muted); font-size: .74rem; font-weight: 800; letter-spacing: .07em; }
.tour-comparison header b { border: 1px solid currentColor; border-radius: 99rem; padding: .15rem .45rem; letter-spacing: 0; }
.metric-pair { display: grid; grid-template-columns: repeat(2, 1fr); gap: .5rem; }
.metric-pair p { display: flex; flex-direction: column; border-left: 2px solid var(--titan-border-strong); padding-left: .65rem; }
.metric-pair strong { font-size: clamp(1.8rem, 6vw, 2.75rem); line-height: 1; }
.metric-pair small { margin-top: .25rem; }
.token-total { display: block; margin: 1.1rem 0 .55rem; font-size: 1.15rem; }
.token-total small { font-weight: 500; }
.tour-comparison article > p { color: var(--titan-muted); font-size: .88rem; }
.comparison-arrow { color: var(--titan-green-700); font-size: 1.6rem; font-weight: 900; text-align: center; transform: rotate(90deg); }
.impact-statement { display: flex; gap: .65rem; align-items: center; margin: .8rem 0 1.2rem; border: 1px solid var(--titan-green-700); border-radius: .65rem; background: var(--titan-green-100); padding: .8rem 1rem; color: var(--titan-green-700); }
.impact-statement span { font-size: 1.4rem; }
.tour-brief { border: 1px solid var(--titan-border); border-radius: .85rem; overflow: hidden; }
.section-kicker { display: flex; flex-direction: column; gap: .8rem; padding: .9rem 1rem; background: var(--titan-surface-soft); border-bottom: 1px solid var(--titan-border); }
.section-kicker small { color: var(--titan-green-700); font-weight: 800; letter-spacing: .08em; }
.section-kicker h3 { margin-top: .2rem; font-size: 1.1rem; }
#judge-brief { padding: 1rem; }
.judge-brief-grid { display: grid; grid-template-columns: 1fr; gap: .8rem; }
.judge-brief-grid article { border-left: 2px solid var(--titan-border-strong); padding-left: .7rem; }
.judge-brief-grid h4 { margin: 0 0 .35rem; color: var(--titan-muted); font-size: .72rem; letter-spacing: .07em; text-transform: uppercase; }
.judge-brief-grid code, .judge-brief-grid p { display: block; margin: .2rem 0; font-size: .84rem; }

.outcome-grid { display: grid; grid-template-columns: 1fr; gap: .7rem; margin: 1.5rem 0 1rem; }
.outcome-card { display: grid; grid-template-columns: 2.5rem 1fr auto; grid-template-rows: auto auto; align-items: center; gap: .15rem .7rem; min-height: 7.5rem; padding: 1rem; text-align: left; }
.outcome-card .outcome-icon { grid-row: 1 / 3; display: grid; place-items: center; width: 2.5rem; height: 2.5rem; border: 1px solid currentColor; border-radius: 50%; font-size: 1.2rem; font-weight: 900; }
.outcome-card small { font-size: .72rem; font-weight: 800; letter-spacing: .06em; }
.outcome-card > b { grid-column: 3; grid-row: 1 / 3; font-size: 1.15rem; }
.outcome-card p { grid-column: 2 / 4; color: var(--titan-muted); font-size: .83rem; }
.outcome-card p strong { color: var(--titan-ink); }
.outcome-card .card-citation { grid-column: 2 / 4; display: block; color: var(--titan-muted); font-size: .71rem; }
.outcome-card.pass-card { border-color: var(--titan-pass-border); }
.outcome-card.warning-card { border-color: var(--titan-warning-border); }
.outcome-card.fail-card { border-color: var(--titan-fail-border); }
.outcome-card[aria-pressed="true"] { border-width: 2px; box-shadow: var(--titan-shadow); }
.outcome-card.pass-card[aria-pressed="true"] { background: var(--titan-green-100); color: var(--titan-green-700); }
.outcome-card.warning-card[aria-pressed="true"] { background: var(--titan-warning-soft); color: var(--titan-warning); }
.outcome-card.fail-card[aria-pressed="true"] { background: var(--titan-danger-soft); color: var(--titan-danger); }
.verification-explanation { border: 1px solid var(--titan-border); border-left: 4px solid var(--titan-green-700); border-radius: .7rem; padding: 1rem; }
.verification-result-head { display: flex; flex-wrap: wrap; justify-content: space-between; gap: .6rem; align-items: center; margin-bottom: .8rem; }
.verification-result-head strong { font-size: 1.2rem; }
.explanation-grid { display: grid; grid-template-columns: 1fr; gap: .7rem; }
.explanation-grid article { background: var(--titan-surface-neutral); border-radius: .55rem; padding: .75rem; }
.explanation-grid small { display: block; margin-bottom: .25rem; font-weight: 800; letter-spacing: .06em; }
.explanation-grid code { display: block; margin-top: .25rem; }

.review-principle, .tour-finish { display: flex; gap: .8rem; align-items: flex-start; margin: 1.4rem 0 1rem; border: 1px solid var(--titan-green-700); border-radius: .7rem; background: var(--titan-green-100); padding: .9rem; }
.review-principle > span, .tour-finish > span { display: grid; place-items: center; flex: 0 0 2.2rem; width: 2.2rem; height: 2.2rem; border: 1px solid var(--titan-green-700); border-radius: 50%; color: var(--titan-green-700); }
.review-principle p, .tour-finish p { margin-top: .2rem; color: var(--titan-muted); }
.judge-proposals { display: grid; grid-template-columns: 1fr; gap: .7rem; }
.judge-proposal { border: 1px solid var(--titan-border); border-radius: .75rem; padding: 1rem; }
.judge-proposal header { display: flex; justify-content: space-between; gap: .6rem; align-items: center; margin-bottom: .6rem; }
.judge-proposal p { margin-bottom: .8rem; }
.judge-proposal footer { display: flex; flex-wrap: wrap; gap: .5rem; align-items: center; }
.review-mark { display: flex; align-items: center; gap: .35rem; margin-top: .55rem; font-size: .9rem; }
.review-mark.approved { color: var(--titan-green-700); }
.review-mark.rejected { color: var(--titan-danger); }
.export-layout { display: grid; grid-template-columns: 1fr; gap: .8rem; margin-top: 1.4rem; }
.judge-export, .memory-preview { min-width: 0; border: 1px solid var(--titan-border); border-radius: .85rem; padding: 1rem; }
.memory-preview { background: var(--titan-surface-neutral); }
.memory-preview-heading { margin-bottom: .7rem; }
.memory-preview-heading small { color: var(--titan-green-700); font-weight: 800; letter-spacing: .08em; }
.memory-preview-heading h3 { margin-top: .2rem; font-size: 1rem; }
.memory-preview-grid { display: grid; grid-template-columns: 1fr; gap: .65rem; }
.memory-preview-grid pre { max-height: 17rem; overflow: auto; margin: 0; border: 1px solid var(--titan-border); border-radius: .55rem; background: var(--titan-code); padding: .75rem; color: var(--titan-code-text); white-space: pre-wrap; }
.memory-preview-grid article { border: 1px solid var(--titan-border); border-left: 3px solid var(--titan-green-700); border-radius: .55rem; background: var(--titan-surface); padding: .75rem; }
.memory-preview-grid article small { color: var(--titan-green-700); font-weight: 800; letter-spacing: .07em; }
.memory-preview-grid article h4 { margin-top: .35rem; font-size: 1rem; }
.memory-preview-grid article p { margin-top: .55rem; color: var(--titan-muted); font-size: .85rem; }
.memory-preview-grid article footer { margin-top: .7rem; }
.review-recap { display: flex; flex-wrap: wrap; gap: .5rem; margin-top: 1.4rem; }
.review-recap span { display: inline-flex; align-items: center; gap: .35rem; border: 1px solid var(--titan-border); border-radius: 99rem; background: var(--titan-surface-neutral); padding: .35rem .65rem; font-size: .84rem; font-weight: 700; }
.review-recap .approved { border-color: var(--titan-pass-border); color: var(--titan-pass); }
.review-recap .rejected { border-color: var(--titan-fail-border); color: var(--titan-fail); }
.export-summary { margin: .7rem 0 0; padding: 0; list-style: none; }
.export-summary li { display: flex; justify-content: space-between; gap: 1rem; border-bottom: 1px solid var(--titan-border); padding: .45rem 0; }
.export-summary b { display: inline-flex; align-items: center; gap: .3rem; }
.export-summary li:last-child { border-bottom: 0; }
.export-details { margin-top: .7rem; border-top: 1px solid var(--titan-border); padding-top: .6rem; }
.export-details code { display: block; margin-top: .3rem; }

.technical-inspector { padding-bottom: 2rem; }
.mcp-diagnostics { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: .5rem; margin-bottom: .8rem; }
.mcp-diagnostics article { border: 1px solid var(--titan-border); border-radius: .6rem; background: var(--titan-surface); padding: .65rem .75rem; }
.mcp-diagnostics small, .mcp-diagnostics b { display: block; }
.mcp-diagnostics small { font-size: .66rem; font-weight: 800; letter-spacing: .08em; }
.mcp-diagnostics b { margin-top: .2rem; font-size: .84rem; }
.mcp-diagnostics b span { color: var(--titan-green-700); }
.mcp-scope-note { margin: -.25rem 0 .8rem; color: var(--titan-muted); font-size: .78rem; }
.flow, .scenario, .facts, .state-summary { display: flex; flex-wrap: wrap; gap: .45rem; }
.flow { margin: .8rem 0; }
.flow button { display: grid; grid-template-columns: 1.55rem 1fr; grid-template-rows: auto auto; gap: 0 .4rem; min-width: 9rem; text-align: left; }
.flow button > span { grid-row: 1 / 3; display: grid; place-items: center; align-self: center; width: 1.55rem; height: 1.55rem; border-radius: 50%; background: var(--titan-border); }
.flow button small { font-size: .7rem; }
.flow [data-status="current"] { border-color: var(--titan-green-700); background: var(--titan-green-100); }
.flow [data-status="complete"] > span { background: var(--titan-green-700); color: var(--titan-white); }
.flow [data-status="attention"] { border-color: var(--titan-warning); background: var(--titan-warning-soft); }
.flow [data-status="attention"] > span { background: var(--titan-warning); color: var(--titan-white); }
#notice { min-height: 1.5rem; margin: .4rem 0; color: var(--titan-green-800); }
.metrics, .comparison, .workspace, .lower { display: grid; grid-template-columns: 1fr; gap: .7rem; }
.metrics article, .comparison article, .panel { border: 1px solid var(--titan-border); border-radius: .7rem; background: var(--titan-surface); padding: .85rem; box-shadow: var(--titan-shadow-hairline); }
.metrics { grid-template-columns: repeat(2, 1fr); }
.metrics strong, .comparison > article > strong { display: block; font-size: 1.4rem; }
.metrics span, .comparison span { color: var(--titan-muted); font-size: .88rem; }
.comparison { margin-top: .7rem; }
.comparison article:last-child { border-left: 4px solid var(--titan-green-700); }
.comparison p:last-of-type { color: var(--titan-muted); font-size: .9rem; }
.impact { display: block; margin-top: .45rem; color: var(--titan-green-700); font-size: .92rem; }
.workspace, .lower { margin-top: .7rem; }
.panel-title { display: flex; justify-content: space-between; gap: .6rem; align-items: flex-start; border-bottom: 1px solid var(--titan-border-soft); padding-bottom: .55rem; margin-bottom: .65rem; }
.panel-title h2 { font-size: 1rem; }
.panel-title p { margin-top: .15rem; color: var(--titan-muted); font-size: .76rem; }
.panel-title > span { color: var(--titan-muted); font-size: .78rem; }
.sources { order: 3; }
.context { order: 1; }
.inspector { order: 2; }
.source-card { display: block; width: 100%; min-height: 0; margin: .35rem 0; padding: .55rem; border-radius: .35rem; text-align: left; }
.source-card > * { display: block; margin-bottom: .12rem; }
.source-card small { font-size: .86rem; line-height: 1.42; }
.source-card.current { border-left: 4px solid var(--titan-green-700); }
.source-card.superseded { border-left: 4px solid var(--titan-warning-border-strong); background: var(--titan-warning-soft); }
.facts, .state-summary { align-items: center; margin-bottom: .55rem; }
.context-group { margin: .6rem 0; }
.context-group h3, .brief h3, .duplicate-group h3 { font-size: .86rem; letter-spacing: .04em; text-transform: uppercase; }
.context-row { border-bottom: 1px solid var(--titan-border-soft); padding: .38rem 0; }
.context-row summary { display: grid; grid-template-columns: 1fr auto auto auto; gap: .35rem; align-items: center; cursor: pointer; font-size: .9rem; }
.context-row p { margin: .45rem 0; font-size: .9rem; }
.brief { margin-bottom: .7rem; border-left: 3px solid var(--titan-green-700); background: var(--titan-green-50); padding: .65rem; }
.brief-list { margin: .5rem 0; }
.brief-list code, .brief-list p { display: block; margin: .18rem 0; font-size: .86rem; }
.duplicate-group { margin-top: .6rem; border: 1px dashed var(--titan-warning-border-strong); border-radius: .45rem; padding: .55rem; font-size: .86rem; }
.duplicate-group p, .inspector p { overflow-wrap: anywhere; }
.scores { padding: 0; list-style: none; }
.scores li { display: flex; justify-content: space-between; border-bottom: 1px solid var(--titan-border-soft); padding: .25rem 0; }
.scenario button { min-height: 2.75rem; font-size: .86rem; }
.proposal { border-top: 1px solid var(--titan-border-soft); padding: .7rem 0; }
.proposal small { display: block; margin-top: .4rem; font-size: .84rem; letter-spacing: 0; text-transform: none; }
.pass { color: var(--titan-success); }
.warning { color: var(--titan-warning); }
.fail { color: var(--titan-danger); }

@keyframes tour-in { from { transform: translateY(.45rem); } to { transform: none; } }

@media (min-width: 48rem) {
  .product-header { flex-direction: row; justify-content: space-between; align-items: flex-start; }
  .header-actions { flex: 0 1 24rem; justify-content: flex-end; }
  .credibility-strip { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .mode-switch { grid-template-columns: repeat(2, 1fr); }
  .alert { flex-direction: row; justify-content: space-between; align-items: flex-start; }
  .demo-runner { grid-template-columns: minmax(18rem, 1fr) auto minmax(14rem, .6fr); align-items: center; }
  .progress-steps { grid-column: 1 / -1; }
  .progress-steps { grid-template-columns: repeat(6, minmax(0, 1fr)); }
  .tour-heading, .inspector-heading { flex-direction: row; justify-content: space-between; align-items: end; }
  .memory-conflict { grid-template-columns: minmax(0, 1fr) 8.5rem minmax(0, 1fr); }
  .tour-comparison { grid-template-columns: minmax(0, 1fr) 2.5rem minmax(0, 1fr); }
  .comparison-arrow { transform: none; }
  .section-kicker { flex-direction: row; justify-content: space-between; align-items: center; }
  .judge-brief-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .outcome-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .outcome-card { display: flex; flex-direction: column; align-items: flex-start; min-height: 12rem; }
  .outcome-card > b { margin: auto 0 .25rem; font-size: 1.45rem; }
  .outcome-card p { font-size: .85rem; }
  .outcome-card .card-citation { margin-top: .35rem; }
  .explanation-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .judge-proposals { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .export-layout { grid-template-columns: minmax(16rem, .78fr) minmax(24rem, 1.22fr); align-items: start; }
  .metrics { grid-template-columns: repeat(3, 1fr); }
  .mcp-diagnostics { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .comparison, .lower { grid-template-columns: repeat(2, 1fr); }
}

@media (min-width: 64rem) {
  .shell { padding: 1.2rem 1.5rem 2rem; }
  .tour-rail { overflow: visible; }
  .judge-brief-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .metrics { grid-template-columns: repeat(6, 1fr); }
  .mcp-diagnostics { grid-template-columns: repeat(5, minmax(0, 1fr)); }
  .workspace { grid-template-columns: minmax(15rem, .85fr) minmax(29rem, 1.55fr) minmax(19rem, 1fr); align-items: start; }
  .workspace > .panel { height: 35rem; overflow-y: auto; scrollbar-gutter: stable; }
  .sources { order: 1; }
  .context { order: 2; }
  .inspector { order: 3; position: sticky; top: 1rem; }
  .lower { grid-template-columns: 1.1fr 1fr 1fr; }
  .lower .panel { min-height: 15rem; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
}