:root {
  color-scheme: light;
  --bg: #f3f1eb;
  --surface: #fbfaf7;
  --surface-strong: #ffffff;
  --surface-muted: #ebe9e1;
  --ink: #171815;
  --muted: #666861;
  --faint: #8a8d84;
  --line: #d8d6cd;
  --line-strong: #bdbdb3;
  --signal: #d2e647;
  --signal-ink: #273000;
  --blue: #526c85;
  --red: #b44b47;
  --red-soft: #f4dfdb;
  --amber: #9b671f;
  --amber-soft: #f4e7c6;
  --shadow: 0 16px 40px rgba(29, 30, 24, .07);
  --sans: "IBM Plex Sans", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --mono: "IBM Plex Mono", "SF Mono", SFMono-Regular, Menlo, Consolas, monospace;
}
:root[data-theme="dark"] { color-scheme: dark; --bg: #111310; --surface: #181a16; --surface-strong: #20221d; --surface-muted: #252821; --ink: #f1f0e8; --muted: #a6a99f; --faint: #7f837a; --line: #34372f; --line-strong: #55594f; --signal: #d8ef4c; --signal-ink: #252b00; --blue: #9baec0; --red: #ef8c83; --red-soft: #452b27; --amber: #e1b269; --amber-soft: #45361e; --shadow: 0 18px 48px rgba(0, 0, 0, .25); }
* { box-sizing: border-box; }
html { background: var(--bg); scroll-behavior: smooth; }
body { margin: 0; min-width: 320px; background: var(--bg); color: var(--ink); font: 15px/1.55 var(--sans); }
button, input { font: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
a { color: inherit; }
button { cursor: pointer; }
button:disabled { cursor: not-allowed; opacity: .45; }
:focus-visible { outline: 3px solid var(--signal); outline-offset: 4px; }
code, .mono { font-family: var(--mono); font-size: .82em; }
.site-shell { width: min(1180px, 100%); margin: 0 auto; padding: 22px 30px 42px; }
.site-header { display: flex; justify-content: space-between; align-items: center; gap: 24px; min-height: 48px; border-bottom: 1px solid var(--line); }
.brand { display: inline-flex; align-items: center; gap: 9px; color: var(--ink); font-size: 17px; font-weight: 650; letter-spacing: -.045em; text-decoration: none; }
.brand-mark { display: grid; place-items: center; width: 27px; height: 27px; border: 1px solid var(--ink); border-radius: 50%; font: 500 18px/1 var(--mono); transform: rotate(-18deg); }
.site-nav { display: flex; align-items: center; gap: 18px; color: var(--muted); font-size: 12px; }
.site-nav a { text-decoration: none; }
.site-nav a:hover, .link-button:hover, .related-note a:hover { color: var(--ink); text-decoration: underline; text-underline-offset: 3px; }
.health { color: var(--muted); font: 11px var(--mono); white-space: nowrap; }
.theme-toggle { display: inline-flex; align-items: center; gap: 7px; border: 0; background: transparent; color: var(--muted); padding: 4px 0; font-size: 12px; }
.theme-icon { color: var(--ink); font-size: 16px; }
.eyebrow { margin: 0 0 11px; color: var(--muted); font: 600 10px/1.2 var(--mono); letter-spacing: .08em; text-transform: uppercase; }
.intro { display: grid; grid-template-columns: minmax(0, 1.15fr) minmax(310px, .85fr); gap: 80px; align-items: center; padding: 84px 4px 72px; }
.intro h1 { max-width: 700px; margin: 0 0 20px; font-size: clamp(48px, 7.3vw, 88px); line-height: .94; letter-spacing: -.085em; }
.intro-lede { max-width: 610px; margin: 0; color: var(--muted); font-size: 18px; line-height: 1.55; }
.intro-notes { display: flex; flex-wrap: wrap; gap: 15px 22px; margin-top: 28px; color: var(--muted); font: 11px var(--mono); }
.intro-notes span { display: inline-flex; align-items: center; gap: 7px; }
.signal-dot { display: inline-block; width: 8px; height: 8px; border-radius: 50%; background: var(--signal); box-shadow: 0 0 0 3px color-mix(in srgb, var(--signal) 22%, transparent); }
.boundary-card { padding: 22px; border: 1px solid var(--line-strong); background: var(--surface); box-shadow: var(--shadow); }
.boundary-card-top, .panel-kicker, .receipt-panel-head, .section-heading, .map-toolbar, .approval-actions, .path-controls { display: flex; justify-content: space-between; align-items: flex-start; gap: 18px; }
.boundary-card-top .eyebrow { margin: 0; }.case-id { color: var(--muted); font: 11px var(--mono); }
.boundary-line { display: grid; grid-template-columns: auto 1fr auto 1fr auto; gap: 10px; align-items: center; margin: 44px 0 24px; }
.line-node { color: var(--muted); font: 11px var(--mono); }.line-node-active { color: var(--ink); font-weight: 700; }.line-rule { height: 1px; background: var(--line-strong); }.line-rule:first-of-type { background: var(--signal); }
.boundary-card p { max-width: 340px; margin: 0; color: var(--muted); font-size: 13px; }
.case { margin-top: 12px; }
.section-heading { align-items: end; margin-bottom: 18px; }
.section-heading h2 { margin: 0; font-size: clamp(28px, 4vw, 43px); line-height: 1; letter-spacing: -.065em; }
.section-note, .case-status { color: var(--muted); font: 11px var(--mono); }
.case-status { display: inline-flex; align-items: center; gap: 8px; }

.incident-timeline { margin: 14px 0 0; padding: 0 0 8px 0; list-style: none; border-left: 1px solid var(--line-strong); }
.timeline-step { position: relative; padding: 0 0 22px 28px; }
.timeline-step .timeline-index { position: absolute; left: -24px; top: 28px; transform: translateY(-50%); width: 18px; height: 18px; border-radius: 50%; border: 1px solid var(--line-strong); background: var(--surface); color: var(--muted); display: grid; place-items: center; font: 700 9px var(--mono); }
.timeline-step.is-current .timeline-card { border-color: var(--line-strong); }
.timeline-step.is-current .timeline-index { background: var(--signal); border-color: var(--signal); color: var(--signal-ink); }
.timeline-step.is-done .timeline-index { color: var(--ink); border-color: var(--line); }
.timeline-step.is-skipped .timeline-card { border-color: transparent; }
.timeline-step .timeline-card { background: var(--surface); border: 1px solid var(--line); padding: 24px; margin-left: 12px; }
.timeline-receipt-title { margin: 12px 0 0; font-size: 29px; line-height: 1.05; letter-spacing: -.055em; max-width: 540px; }
.timeline-receipt-title + .section-note { margin-top: 5px; margin-bottom: 0; }
.case-switcher { display: grid; grid-template-columns: repeat(3, 1fr); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.case-tab { display: grid; grid-template-columns: 30px 1fr; gap: 2px 9px; align-items: center; min-height: 70px; border: 0; border-right: 1px solid var(--line); background: transparent; color: var(--muted); text-align: left; padding: 12px 15px; }.case-tab:last-child { border-right: 0; }.case-tab span { grid-row: span 2; color: var(--faint); font: 11px var(--mono); }.case-tab strong { color: var(--ink); font-size: 13px; font-weight: 650; }.case-tab small { color: var(--muted); font-size: 11px; }.case-tab.is-active, .case-tab:hover { background: var(--surface); }.case-tab.is-active span { color: var(--signal-ink); }.case-tab.is-active { box-shadow: inset 0 -3px 0 var(--signal); }
.case-grid { display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(310px, .9fr); gap: 1px; margin-top: 1px; background: var(--line); border: 1px solid var(--line); }
.panel-kicker { align-items: center; color: var(--muted); font: 600 10px var(--mono); letter-spacing: .07em; text-transform: uppercase; }.request-body { display: flex; gap: 14px; align-items: flex-start; margin: 44px 0 30px; }.request-mark { display: grid; place-items: center; flex: 0 0 auto; width: 34px; height: 34px; border: 1px solid var(--line-strong); border-radius: 50%; font: 15px var(--mono); }.request-body h3 { max-width: 480px; margin: 0 0 7px; font-size: 20px; letter-spacing: -.04em; }.request-body p { max-width: 440px; margin: 0; color: var(--muted); font-size: 13px; }
.request-fields { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; padding-top: 16px; border-top: 1px solid var(--line); }.request-fields span, .evidence-field span { display: block; margin-bottom: 5px; color: var(--muted); font: 10px var(--mono); }.request-fields code { display: block; overflow: hidden; color: var(--ink); text-overflow: ellipsis; white-space: nowrap; }
.policy-toggle { display: inline-flex; align-items: center; gap: 9px; margin-top: 25px; color: var(--muted); cursor: pointer; font-size: 12px; }.policy-toggle input { position: absolute; opacity: 0; pointer-events: none; }.toggle-track { position: relative; width: 34px; height: 19px; border: 1px solid var(--line-strong); border-radius: 20px; background: var(--surface-muted); }.toggle-track::after { content: ''; position: absolute; top: 3px; left: 3px; width: 11px; height: 11px; border-radius: 50%; background: var(--muted); transition: transform .18s ease, background .18s ease; }.policy-toggle input:checked + .toggle-track { border-color: var(--signal); background: var(--signal); }.policy-toggle input:checked + .toggle-track::after { background: var(--signal-ink); transform: translateX(15px); }.policy-toggle b, .policy-toggle small { display: block; }.policy-toggle b { color: var(--ink); font-size: 12px; }.policy-toggle small { margin-top: 2px; color: var(--muted); font-size: 10px; }
.case-action-row { display: flex; align-items: center; gap: 14px; margin-top: 24px; }.primary-button, .secondary-button, .quiet-button, .approve-btn, .deny-btn { border: 1px solid var(--line-strong); border-radius: 0; padding: 10px 14px; font-size: 12px; font-weight: 650; }.primary-button { border-color: var(--signal); background: var(--signal); color: var(--signal-ink); }.primary-button:hover { filter: brightness(.95); }.secondary-button, .quiet-button, .approve-btn, .deny-btn { background: transparent; color: var(--ink); }.secondary-button:hover, .quiet-button:hover { background: var(--surface-muted); }.action-note { color: var(--muted); font: 10px var(--mono); }
.check-list { display: grid; gap: 0; margin: 38px 0 20px; padding: 0; list-style: none; }.check-list li { display: grid; grid-template-columns: 30px 1fr auto; gap: 11px; align-items: start; padding: 13px 0; border-top: 1px solid var(--line); }.check-index { color: var(--faint); font: 11px var(--mono); }.check-list strong { display: block; color: var(--ink); font-size: 12px; }.check-list small { display: block; margin-top: 3px; color: var(--muted); font-size: 11px; }.check-state { color: var(--muted); font: 10px var(--mono); }
.decision-banner { display: flex; gap: 11px; align-items: flex-start; min-height: 58px; padding: 12px; border: 1px solid var(--line); background: var(--surface-muted); }.decision-icon { display: grid; place-items: center; flex: 0 0 auto; width: 24px; height: 24px; border-radius: 50%; background: var(--line-strong); color: var(--ink); font-weight: 750; }.decision-banner b { display: block; color: var(--ink); font-size: 12px; }.decision-banner small { display: block; margin-top: 4px; color: var(--muted); font-size: 11px; line-height: 1.4; }.decision-banner.allow { border-color: var(--signal); background: color-mix(in srgb, var(--signal) 15%, var(--surface)); }.decision-banner.allow .decision-icon { background: var(--signal); color: var(--signal-ink); }.decision-banner.deny { border-color: var(--red); background: var(--red-soft); }.decision-banner.deny .decision-icon { background: var(--red); color: #fff; }
.case-lower-grid { display: grid; grid-template-columns: .8fr 1.2fr; gap: 1px; margin-top: 1px; background: var(--line); border: 1px solid var(--line); border-top: 0; }
.approval-inline, .path-panel { min-height: 245px; padding: 22px 24px; }
.badge { color: var(--muted); font: 10px var(--mono); text-transform: lowercase; }
.approval-intro, .path-panel > p { margin: 20px 0 16px; color: var(--muted); font-size: 12px; }
.approval-status { min-height: 60px; padding: 11px; border: 1px solid var(--line); background: var(--surface-muted); }.approval-status-main { display: flex; gap: 10px; align-items: flex-start; }.approval-status-dot { flex: 0 0 auto; width: 8px; height: 8px; margin-top: 5px; border-radius: 50%; background: var(--muted); }.approval-status strong { display: block; font-size: 12px; }.approval-status p { margin: 3px 0 0; color: var(--muted); font-size: 10px; }.approval-status small { display: block; margin-top: 5px; color: var(--muted); font: 10px var(--mono); }.approval-status.pending { border-color: var(--amber); background: var(--amber-soft); }.approval-status.pending .approval-status-dot { background: var(--amber); }.approval-status.approved { border-color: var(--signal); background: color-mix(in srgb, var(--signal) 15%, var(--surface)); }.approval-status.approved .approval-status-dot { background: var(--signal); }.approval-status.denied, .approval-status.expired { border-color: var(--red); background: var(--red-soft); }.approval-status.denied .approval-status-dot, .approval-status.expired .approval-status-dot { background: var(--red); }.approval-actions { align-items: center; margin-top: 12px; }.approval-decision-actions { display: flex; gap: 7px; }.approve-btn { border-color: var(--signal); background: var(--signal); color: var(--signal-ink); }.deny-btn { border-color: var(--red); color: var(--red); }.approval-error { margin: 10px 0 0; color: var(--red); font-size: 11px; }.approval-history { margin-top: 14px; padding-top: 10px; border-top: 1px solid var(--line); }.approval-history-row { display: flex; gap: 9px; padding: 7px 0; border-bottom: 1px solid var(--line); }.approval-history-row b { display: block; font: 10px var(--mono); }.approval-history-row small { display: block; margin-top: 3px; color: var(--muted); font-size: 10px; }.approval-pill { align-self: flex-start; padding: 3px 5px; color: var(--muted); font: 9px var(--mono); }.approval-pill.approved { color: var(--signal-ink); background: var(--signal); }.approval-pill.denied, .approval-pill.expired { color: var(--red); background: var(--red-soft); }
.path-controls { align-items: center; }.path-tabs, .path-buttons, .card-actions { display: flex; flex-wrap: wrap; gap: 7px; }.path-tab { border: 0; border-bottom: 2px solid transparent; background: transparent; color: var(--muted); padding: 5px 0; font-size: 11px; }.path-tab[aria-pressed="true"], .path-tab:hover { border-color: var(--signal); color: var(--ink); }.quiet-button { padding: 7px 9px; color: var(--muted); font-size: 10px; }.event-trail { display: grid; grid-template-columns: 1fr; gap: 8px; margin: 15px 0 0; padding: 0; list-style: none; }.event-step { display: flex; gap: 8px; width: 100%; min-height: 70px; border: 1px solid var(--line); background: transparent; color: var(--muted); padding: 10px; text-align: left; }.event-step > span:first-child { color: var(--faint); font: 10px var(--mono); }.event-step b { display: block; color: var(--ink); font-size: 11px; }.event-step small { display: block; margin-top: 4px; color: var(--muted); font-size: 10px; line-height: 1.35; }.event-trail-item.current .event-step { border-color: var(--signal); background: color-mix(in srgb, var(--signal) 10%, var(--surface)); }.event-trail-item.complete .event-step { border-color: var(--line-strong); }
.receipt-panel-head { align-items: center; }
.link-button { border: 0; background: transparent; color: var(--muted); padding: 0; font-size: 10px; }
.receipts { margin-top: 18px; }
.receipt { display: grid; grid-template-columns: 72px 1fr auto; gap: 13px; align-items: center; padding: 13px 0; border-top: 1px solid var(--line); }
.decision { color: var(--muted); font: 10px var(--mono); }
.decision:not(.deny) { color: var(--signal-ink); }
.decision.deny { color: var(--red); }
.receipt-main { color: var(--ink); font-size: 12px; }
.receipt-main b { font-weight: 650; }
.receipt-meta { margin-top: 4px; color: var(--muted); font: 10px var(--mono); }
.empty { padding: 22px 0; color: var(--muted); font-size: 12px; }
.details-panel { margin-top: 13px; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }.details-panel summary { display: flex; justify-content: space-between; align-items: center; gap: 20px; cursor: pointer; list-style: none; padding: 21px 2px; }.details-panel summary::-webkit-details-marker { display: none; }.details-panel summary strong, .details-panel summary small { display: block; }.details-panel summary strong { font-size: 18px; letter-spacing: -.035em; }.details-panel summary small { margin-top: 3px; color: var(--muted); font-size: 12px; }.summary-arrow { color: var(--muted); font: 20px var(--mono); }.system-view-body, .evidence-wrap { padding: 0 0 24px; }.map-toolbar { align-items: center; margin-bottom: 12px; color: var(--muted); }.map-workspace { display: grid; grid-template-columns: minmax(0, 1fr) 260px; gap: 12px; }.graph { min-height: 390px; overflow: hidden; border: 1px solid var(--line); background: var(--surface); }.graph svg { display: block; width: 100%; height: 390px; }.edge { stroke: var(--line-strong); stroke-width: 2; stroke-dasharray: 6 8; transition: .2s; }.edge-label-bg { fill: var(--surface); stroke: var(--line); }.edge-label { fill: var(--muted); font: 10px var(--mono); }.edge-group.active .edge { stroke: var(--signal); stroke-width: 3; stroke-dasharray: none; }.edge-group.active .edge-label-bg { fill: var(--signal); stroke: var(--signal); }.edge-group.active .edge-label { fill: var(--signal-ink); }.node { cursor: grab; outline: none; }.node:active { cursor: grabbing; }.node-halo { fill: transparent; stroke: transparent; stroke-width: 2; }.node-core { stroke: var(--surface); stroke-width: 3; }.node text { fill: var(--ink); font: 600 13px var(--sans); pointer-events: none; }.node .note { fill: var(--muted); font: 9px var(--mono); font-weight: 400; }.node-glyph { fill: var(--signal-ink) !important; font: 700 11px var(--mono) !important; }.node.agent .node-core { fill: var(--blue); }.node.proxy .node-core { fill: var(--signal); }.node.tool .node-core { fill: var(--ink); }.node.vault .node-core { fill: var(--muted); }.node.ledger .node-core { fill: var(--red); }.node.selected .node-halo, .node:focus-visible .node-halo { fill: color-mix(in srgb, var(--signal) 18%, transparent); stroke: var(--signal); stroke-dasharray: 4 3; }.node.active .node-core { stroke: var(--signal); stroke-width: 5; }.inspector { min-height: 390px; padding: 16px; border: 1px solid var(--line); background: var(--surface-muted); }.inspector-top { display: flex; justify-content: space-between; gap: 8px; }.node-chip { color: var(--muted); font: 10px var(--mono); text-transform: uppercase; }.inspect-state { color: var(--muted); font: 10px var(--mono); }.inspector h3 { margin: 25px 0 8px; font-size: 19px; line-height: 1.05; letter-spacing: -.04em; }.inspector > p, .security-copy { margin: 0; color: var(--muted); font-size: 12px; line-height: 1.55; }.inspect-section { margin-top: 18px; padding-top: 13px; border-top: 1px solid var(--line); }.inspect-label { display: block; color: var(--muted); font: 10px var(--mono); letter-spacing: .06em; text-transform: uppercase; }.inspect-section ul { display: grid; gap: 8px; margin: 10px 0 0; padding: 0; list-style: none; }.inspect-section li b, .inspect-section li span { display: block; }.inspect-section li b { font-size: 11px; }.inspect-section li span { margin-top: 2px; color: var(--muted); font-size: 10px; }.legend { display: flex; flex-wrap: wrap; gap: 15px; margin-top: 12px; color: var(--muted); font: 10px var(--mono); }.legend i { display: inline-block; width: 7px; height: 7px; margin-right: 5px; border-radius: 50%; }.legend-agent { background: var(--blue); }.legend-proxy { background: var(--signal); }.legend-tool { background: var(--ink); }.legend-vault { background: var(--muted); }.legend-ledger { background: var(--red); }
.evidence-warning { margin: 0 0 14px; padding: 12px; border-left: 3px solid var(--signal); background: var(--surface-muted); color: var(--muted); font-size: 11px; }.evidence-warning strong { color: var(--ink); }.evidence-events { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); }.evidence-event { padding: 16px; background: var(--surface); }.evidence-event-head { display: flex; justify-content: space-between; gap: 12px; align-items: start; }.evidence-category { color: var(--ink); font: 600 12px var(--mono); }.evidence-example { display: block; margin-top: 4px; color: var(--muted); font: 9px var(--mono); }.evidence-status { color: var(--muted); font: 10px var(--mono); }.evidence-status.blocked { color: var(--red); }.evidence-status.pending-review { color: var(--amber); }.evidence-fields { display: grid; grid-template-columns: 1fr 1fr; gap: 11px; margin-top: 18px; }.evidence-field b, .evidence-field code { display: block; color: var(--ink); font-size: 11px; font-weight: 500; }.evidence-field code { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }.evidence-detail { margin-top: 15px; padding-top: 11px; border-top: 1px solid var(--line); color: var(--muted); font-size: 11px; }.evidence-detail summary { cursor: pointer; color: var(--ink); }.evidence-detail p { margin: 8px 0 0; }
.related-note { display: grid; grid-template-columns: auto 1fr auto; gap: 22px; align-items: center; margin-top: 54px; padding: 18px 0; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }.related-note .eyebrow { margin: 0; }.related-note p { max-width: 620px; margin: 0; color: var(--muted); font-size: 12px; }.related-note a { font-size: 12px; text-underline-offset: 3px; }
footer { display: flex; justify-content: space-between; gap: 20px; padding-top: 24px; color: var(--muted); font: 10px var(--mono); }
#toast { position: fixed; right: 24px; bottom: 24px; z-index: 20; max-width: min(360px, calc(100vw - 32px)); padding: 11px 14px; border: 1px solid var(--line-strong); background: var(--ink); color: var(--bg); font-size: 12px; opacity: 0; pointer-events: none; transform: translateY(8px); transition: opacity .2s ease, transform .2s ease; }
#toast.show { opacity: 1; transform: translateY(0); }
@media (prefers-reduced-motion: reduce) { *, *::before, *::after { scroll-behavior: auto !important; transition-duration: .01ms !important; animation-duration: .01ms !important; } }
@media (max-width: 860px) { .intro, .case-grid, .case-lower-grid, .receipt-grid { grid-template-columns: 1fr; }
.intro { gap: 36px; padding: 62px 0 52px; }
.case-grid, .case-lower-grid, .receipt-grid { gap: 1px; }
.incident-timeline { border-left: 0; margin-left: -6px; }
.timeline-step { padding-left: 0; }
.timeline-step .timeline-index { left: 4px; }
.timeline-step .timeline-card { margin-left: 0; }
.map-workspace { grid-template-columns: 1fr; }
.inspector { min-height: 0; }
.related-note { grid-template-columns: 1fr; gap: 10px; }
.related-note a { justify-self: start; } }
@media (max-width: 620px) { .site-shell { padding: 16px 15px 30px; }.site-header { align-items: flex-start; }.site-nav { flex-wrap: wrap; justify-content: flex-end; gap: 10px 14px; }.site-nav a:nth-child(2) { display: none; }.health { flex-basis: 100%; text-align: right; }.intro h1 { font-size: 52px; }.intro-lede { font-size: 16px; }.case-switcher { grid-template-columns: 1fr; }.case-tab { border-right: 0; border-bottom: 1px solid var(--line); }.case-tab:last-child { border-bottom: 0; }.request-panel, .checks-panel, .approval-inline, .path-panel, .receipt-panel, .receipt-aside { padding: 19px; }.request-body { margin-top: 32px; }.request-fields { grid-template-columns: 1fr; gap: 11px; }.case-action-row, .path-controls, .receipt-panel-head, footer { align-items: flex-start; flex-direction: column; }.event-trail, .evidence-events { grid-template-columns: 1fr; }.path-buttons { width: 100%; }.path-buttons button { flex: 1; }.receipt { grid-template-columns: 64px 1fr; }.receipt-time { display: none; }.boundary-line { margin: 34px 0 22px; }.map-toolbar { align-items: flex-start; flex-direction: column; } }

.guide-hero { display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(280px, .9fr); gap: 70px; align-items: end; padding: 76px 4px 68px; }
.guide-hero h1 { max-width: 680px; margin: 0 0 20px; font-size: clamp(44px, 6.2vw, 74px); line-height: .96; letter-spacing: -.08em; }
.guide-callout { padding: 23px; border: 1px solid var(--line-strong); background: var(--surface); box-shadow: var(--shadow); }
.guide-callout strong { display: block; max-width: 250px; font-size: 28px; line-height: 1.05; letter-spacing: -.06em; }
.guide-callout p { margin: 22px 0 0; color: var(--muted); font-size: 12px; }
.guide-cards { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; border: 1px solid var(--line); background: var(--line); }
.guide-cards article { min-height: 220px; padding: 20px; background: var(--surface); }
.guide-number { color: var(--faint); font: 11px var(--mono); }
.guide-cards h3 { margin: 48px 0 9px; font-size: 18px; line-height: 1.05; letter-spacing: -.04em; }
.guide-cards p, .guide-story p, .guide-limits p { margin: 0; color: var(--muted); font-size: 12px; line-height: 1.6; }
.guide-story { display: grid; grid-template-columns: .9fr 1.1fr; gap: 42px; align-items: center; margin-top: 50px; padding: 26px 0; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.guide-story h2, .guide-limits h2, .guide-cta h2 { margin: 0 0 12px; font-size: 30px; line-height: 1.02; letter-spacing: -.055em; }
.text-link { display: inline-block; margin-top: 20px; color: var(--ink); font-size: 12px; text-underline-offset: 3px; }
.guide-diagram { display: grid; grid-template-columns: 1fr auto 1fr auto 1fr; gap: 10px; align-items: center; position: relative; min-height: 150px; padding: 28px 18px 42px; border: 1px solid var(--line-strong); background: var(--surface-muted); color: var(--muted); font: 11px var(--mono); text-align: center; }
.guide-diagram i { height: 1px; background: var(--line-strong); }.guide-diagram strong { color: var(--ink); font-size: 12px; }.guide-diagram b { position: absolute; bottom: 13px; left: 50%; transform: translateX(-50%); color: var(--muted); font: 10px var(--mono); }
.guide-limits { display: grid; grid-template-columns: 1fr 1fr; gap: 1px; margin-top: 50px; border: 1px solid var(--line); background: var(--line); }.guide-limits article { padding: 22px; background: var(--surface-muted); }.guide-limits article + article { background: var(--surface); }
.guide-cta { display: flex; justify-content: space-between; align-items: center; gap: 20px; margin-top: 50px; padding: 23px 25px; background: var(--ink); color: var(--bg); }.guide-cta .eyebrow { color: var(--surface-muted); }.guide-cta h2 { margin: 0; }.guide-cta .primary-button { color: var(--signal-ink); text-decoration: none; }
@media (max-width: 860px) { .guide-hero, .guide-story { grid-template-columns: 1fr; gap: 32px; }.guide-cards { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 620px) { .guide-hero { padding: 55px 0 48px; }.guide-hero h1 { font-size: 50px; }.guide-cards, .guide-limits { grid-template-columns: 1fr; }.guide-cards article { min-height: 0; }.guide-cards h3 { margin-top: 26px; }.guide-diagram { font-size: 9px; gap: 5px; }.guide-cta { align-items: flex-start; flex-direction: column; } }