/* Cella's landing surface uses real boundary diagrams and selectable sample evidence. */
.landing-page { background: var(--canvas); }
.landing-page figure { margin: 0; min-width: 0; }
.landing-page h2 { font-size: clamp(34px, 3.5vw, 46px); font-weight: 500; line-height: 1.14; letter-spacing: -.03em; }
.landing-page h3 { font-size: 22px; font-weight: 500; letter-spacing: -.02em; line-height: 1.35; }
.runtime-hero { display: grid; grid-template-columns: 1.17fr 1fr; gap: 72px; align-items: center; padding-block: 58px 74px; }
.runtime-hero-copy { min-width: 0; }
.runtime-label { color: var(--accent); font: 400 11px/1.7 var(--mono); letter-spacing: .06em; }
.runtime-label > span { color: #596a62; margin-inline: 9px; }
.runtime-hero h1 { font-size: clamp(43px, 4.2vw, 60px); line-height: 1.09; letter-spacing: -.032em; font-weight: 500; margin-top: 26px; text-wrap: initial; }
.runtime-hero h1 > span { color: #a9b5ae; }
.runtime-lede { font-size: 18px; line-height: 1.75; max-width: 510px; color: var(--muted); margin-top: 28px; }
.runtime-actions { display: flex; align-items: center; flex-wrap: wrap; gap: 13px; margin-top: 31px; }
.runtime-actions .button { gap: 26px; min-height: 47px; padding-inline: 19px; font-size: 13px; }
.boundary-diagram { min-width: 0; font-family: var(--mono); }
.operator-route { display: flex; align-items: center; gap: 17px; font-size: 11px; line-height: 1.6; }
.operator-route > strong { font-family: var(--sans); font-weight: 500; font-size: 16px; }
.operator-note { color: var(--muted); font-size: 10px; margin-left: auto; }
.route-arrow { color: var(--muted); }
.route-stem { display: block; height: 20px; width: 1px; border-left: 1px solid #56685f; margin-left: 25px; }
.agent-boundary { border: 1px solid #586c62; border-radius: 4px; background: #111718; }
.boundary-header { padding: 13px 17px; display: flex; justify-content: space-between; align-items: center; gap: 16px; border-bottom: 1px solid var(--line); font-size: 11px; }
.boundary-header > strong { font-weight: 400; color: var(--ink); }
.boundary-header > span { color: var(--muted); font-size: 10px; }
.request-options { padding: 11px 8px 7px; }
.request-option { width: 100%; min-height: 34px; border: 0; border-radius: 2px; background: transparent; color: var(--ink); display: flex; justify-content: space-between; align-items: center; gap: 10px; padding: 8px 9px; text-align: left; }
.request-option > code { font: 400 12px/1.5 var(--mono); min-width: 0; }
.request-option code > span { color: var(--muted); padding-right: 7px; }
.request-kind { font-size: 10px; letter-spacing: .02em; color: var(--muted); flex: none; }
.request-option[aria-pressed="true"] { background: #20322a; }
.request-option:hover:not(:disabled) { background: #1c2822; }
.request-option:disabled { cursor: default; opacity: 1; }
.workspace-note { color: var(--muted); border-top: 1px solid var(--line); padding: 10px 17px; font-size: 10px; line-height: 1.6; }
.boundary-crossing { display: flex; align-items: center; gap: 12px; color: var(--muted); font-size: 9px; height: 33px; }
.boundary-crossing .route-stem { height: 33px; flex: none; margin-left: 25px; position: relative; }
.request-packet { position: absolute; width: 5px; height: 5px; background: var(--accent); top: 1px; left: -3px; opacity: 0; }
.boundary-diagram[data-route-kind="gateway"][data-phase="result"][data-playback="playing"] .request-packet { animation: cross-boundary 520ms cubic-bezier(.2,.7,.3,1) 1; }
@keyframes cross-boundary { 0% { transform: translateY(0); opacity: 1; } 100% { transform: translateY(27px); opacity: 1; } }
.trusted-zone { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; align-items: center; }
.wall-node { display: flex; align-items: center; justify-content: space-between; gap: 10px; min-height: 50px; padding: 12px 17px; border: 1px solid #59866e; border-radius: 3px; background: #17261e; color: var(--accent); }
.wall-node > strong { font-size: 17px; font-weight: 400; letter-spacing: .05em; }
.wall-node > span { font-size: 10px; line-height: 1.5; }
.credential-vault { display: flex; flex-direction: column; gap: 5px; padding-left: 12px; border-left: 1px solid #526259; }
.credential-vault > span { font-size: 10px; color: var(--muted); }
.credential-vault > strong { font-size: 10px; font-weight: 400; }
.policy-route { display: flex; align-items: center; gap: 14px; min-height: 43px; padding-left: 25px; font-size: 10px; }
.policy-route > code { font-size: 9px; color: var(--muted); margin-left: auto; }
.decision { font: 400 9px/1.5 var(--mono); letter-spacing: .025em; }
.decision-allow { color: #94d0ae; }
.decision-deny { color: #e1a699; }
.resource-route { display: grid; grid-template-columns: 12px auto 1fr; align-items: center; gap: 5px 12px; padding: 11px 0 12px 20px; border-top: 1px solid var(--line); min-height: 61px; }
.resource-route > strong { font-family: var(--sans); font-size: 14px; font-weight: 500; }
.resource-route > code { font-size: 10px; color: var(--muted); }
.resource-note { grid-column: 2 / -1; color: var(--muted); font-size: 10px; }
.boundary-diagram > figcaption { display: flex; align-items: center; justify-content: space-between; gap: 10px; color: var(--muted); font-size: 10px; padding-top: 11px; border-top: 1px solid var(--line); }
.replay-request { white-space: nowrap; flex-shrink: 0; display: inline-flex; align-items: center; justify-content: center; gap: 11px; background: transparent; border: 1px solid #596762; border-radius: 3px; padding: 5px 10px; color: var(--ink); font: 400 9px/1.5 var(--mono); min-height: 30px; }
.replay-request:hover { background: #1d2a23; }
.replay-request:disabled { cursor: wait; color: var(--muted); }
.boundary-diagram[data-operation="ssh"] .wall-node { border-color: #976c60; background: #231c1a; color: #e1a699; }
.boundary-diagram[data-operation="workspace"] .wall-node, .boundary-diagram[data-operation="tests"] .wall-node { background: #111718; border-color: #526259; color: var(--muted); }
.section-copy { max-width: 790px; }
.section-copy > p { font-size: 17px; line-height: 1.8; color: var(--muted); margin-top: 23px; max-width: 660px; }
.runtime-problem { padding-block: 75px 92px; border-top: 1px solid var(--line); }
.access-comparison { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; margin-top: 40px; }
.access-model { border-top: 1px solid #526259; padding-top: 18px; }
.access-model > figcaption { display: flex; align-items: center; justify-content: space-between; gap: 15px; font-size: 12px; color: var(--muted); }
.comparison-status { font: 400 10px/1.6 var(--mono); }
.exposed-model .comparison-status { color: #e1a699; }
.controlled-model .comparison-status { color: var(--accent); }
.comparison-route { display: flex; flex-direction: column; gap: 7px; align-items: flex-start; margin-top: 21px; }
.comparison-route > strong { font-size: 17px; font-weight: 500; }
.comparison-route > span { font-size: 14px; color: var(--muted); line-height: 1; }
.access-model pre { color: var(--muted); margin: 19px 0 22px; font: 400 12px/1.9 var(--mono); overflow-x: auto; }
.access-model pre code { font: inherit; }
.access-model > p { font-size: 13px; color: var(--muted); max-width: 400px; line-height: 1.7; }
.controlled-model pre { color: var(--ink); }
.runtime-architecture { padding-block: 81px 88px; border-block: 1px solid var(--line); background: #101516; scroll-margin-top: 30px; }
.architecture-layout { display: grid; grid-template-columns: .9fr 1.1fr; gap: 100px; align-items: center; margin-top: 48px; }
.architecture-concepts { display: flex; flex-direction: column; gap: 34px; }
.architecture-concepts article > p { color: var(--muted); font-size: 15px; line-height: 1.8; margin-top: 11px; max-width: 410px; }
.protocol-map { min-width: 0; border: 1px solid #44554c; border-radius: 4px; padding: 25px 28px 14px; }
.trust-domain { display: flex; align-items: center; flex-wrap: wrap; gap: 12px; padding-bottom: 16px; border-bottom: 1px solid var(--line); }
.trust-domain > span, .trusted-domain > span { font: 400 9px/1.5 var(--mono); color: var(--muted); }
.trust-domain > strong { font-size: 17px; font-weight: 500; }
.trust-domain > code { font: 400 11px/1.6 var(--mono); width: 100%; color: var(--muted); }
.protocol-request { display: flex; align-items: center; gap: 13px; margin-block: 14px; font: 400 10px/1.5 var(--mono); color: var(--muted); }
.protocol-request > span:first-child { font-size: 19px; }
.trusted-domain > strong { display: block; color: var(--accent); font-size: 23px; font-weight: 500; margin-top: 10px; }
.trusted-domain > p { font-size: 13px; color: var(--muted); margin-top: 9px; }
.trusted-domain > p > span { margin-inline: 7px; }
.policy-branches { display: flex; gap: 25px; margin-top: 16px; font: 400 10px/1.7 var(--mono); }
.evidence-node { display: flex; flex-direction: column; gap: 7px; border-top: 1px solid var(--line); padding-top: 15px; }
.evidence-node > strong { font-size: 16px; font-weight: 500; }
.evidence-node > code { font: 400 10px/1.6 var(--mono); color: var(--muted); }
.protocol-map .text-link { font-size: 12px; margin-top: 9px; }
.runtime-capabilities { padding-block: 86px 80px; }
.capability-comparison { display: grid; grid-template-columns: .85fr 1.15fr; margin-top: 39px; border: 1px solid var(--line); border-radius: 4px; background: #101617; }
.capability-comparison > div { padding: 29px 32px; min-width: 0; }
.capability-raw { border-right: 1px solid var(--line); }
.capability-comparison h3 { font-size: 17px; display: flex; align-items: center; gap: 12px; }
.capability-comparison h3 > span { font-size: 15px; font-family: var(--mono); }
.capability-comparison p { color: var(--muted); font-size: 12px; margin-top: 9px; }
.capability-comparison pre { margin: 25px 0 0; overflow-x: auto; font: 400 12px/1.95 var(--mono); }
.capability-comparison pre code { font: inherit; }
.capability-raw pre { color: #bda8a1; }
.capability-request { display: flex; flex-wrap: wrap; gap: 16px; margin-top: 22px; }
.capability-request code { color: var(--accent); font: 400 11px/1.5 var(--mono); }
.capability-scoped pre { margin-top: 18px; }
.syntax-key { color: #94c9ae; }
.code-note { display: block; font-size: 11px; color: var(--muted); margin-top: 21px; }
.runtime-policy { display: grid; grid-template-columns: .9fr 1.1fr; align-items: center; gap: 94px; padding-block: 24px 92px; }
.policy-explanation > p { color: var(--muted); font-size: 16px; line-height: 1.8; margin-top: 23px; max-width: 420px; }
.policy-rules { list-style: none; padding: 0; margin: 26px 0 13px; display: flex; flex-direction: column; gap: 20px; }
.policy-rules li { display: flex; flex-direction: column; gap: 6px; }
.policy-rules strong { font-size: 14px; font-weight: 500; }
.policy-rules span { color: var(--muted); font-size: 13px; line-height: 1.7; max-width: 400px; }
.policy-explanation .text-link { font-size: 13px; }
.landing-page .code-surface { margin: 0; border-color: #43554b; background: #111718; border-radius: 4px; }
.code-surface .docs-code-heading { padding-inline: 23px; font-size: 11px; }
.code-surface .docs-code-heading button { background: #18201d; border-color: #596762; color: var(--ink); }
.code-surface pre { padding: 23px 26px; }
.code-surface pre code { font-size: 12px; line-height: 1.8; }
.code-disclaimer { color: var(--muted); font-size: 11px; line-height: 1.7; padding: 12px 23px; border-top: 1px solid var(--line); }
.runtime-evidence { background: #101516; border-block: 1px solid var(--line); padding-block: 82px 89px; }
.evidence-viewer { border: 1px solid #425449; border-radius: 4px; margin-top: 40px; overflow: hidden; min-width: 0; }
.evidence-toolbar { display: flex; justify-content: space-between; align-items: center; gap: 20px; padding: 16px 21px; border-bottom: 1px solid var(--line); }
.evidence-toolbar > span { font-size: 14px; font-weight: 500; }
.sample-label { color: var(--muted); margin-left: 15px; font: 400 10px/1.6 var(--mono); }
.evidence-filters { display: flex; gap: 4px; }
.evidence-filters button { border: 0; background: transparent; color: var(--muted); padding: 5px 10px; border-radius: 3px; font-size: 11px; min-height: 30px; }
.evidence-filters button[aria-pressed="true"] { color: var(--ink); background: #25352c; }
.evidence-filters button:hover { color: var(--ink); }
.evidence-body { display: grid; grid-template-columns: 1.35fr 1fr; }
.event-list { min-width: 0; padding-block: 12px; }
.event-row { width: 100%; border: 0; background: transparent; display: grid; grid-template-columns: 60px 110px minmax(0,1fr) 44px; gap: 14px; align-items: start; padding: 18px 21px; text-align: left; color: var(--ink); font: 400 12px/1.6 var(--mono); min-height: 57px; }
.event-row > time { color: var(--muted); font-size: 10px; }
.event-row > code { font: inherit; overflow-wrap: anywhere; }
.event-row .decision { justify-self: end; font-size: 10px; }
.event-row[aria-selected="true"] { background: #233027; }
.event-row:hover:not(:disabled) { background: #1a2520; }
.event-row:disabled { opacity: 1; cursor: default; }
.event-detail { padding: 22px 24px; border-left: 1px solid var(--line); background: #121b17; min-width: 0; }
.event-detail-heading { display: flex; justify-content: space-between; align-items: center; gap: 15px; }
.event-detail-heading > strong { font-size: 13px; font-weight: 500; }
.event-detail dl { margin: 18px 0 0; }
.event-detail dl > div { display: grid; grid-template-columns: 100px minmax(0,1fr); gap: 12px; margin-top: 13px; }
.event-detail dt { color: var(--muted); font: 400 11px/1.6 var(--mono); }
.event-detail dd { margin: 0; font: 400 11px/1.7 var(--mono); overflow-wrap: anywhere; }
.evidence-footnote { border-top: 1px solid var(--line); padding: 12px 21px; color: var(--muted); font-size: 11px; }
.runtime-backends { padding-block: 83px 84px; }
.backend-interface { display: flex; flex-direction: column; align-items: center; margin-top: 37px; }
.backend-control { width: 100%; display: flex; justify-content: space-between; align-items: center; gap: 25px; border: 1px solid #486351; padding: 17px 23px; border-radius: 4px; }
.backend-control > strong { font-size: 18px; font-weight: 500; }
.backend-control > span { color: var(--muted); font: 400 10px/1.6 var(--mono); }
.backend-bus { height: 53px; display: flex; align-items: center; justify-content: center; position: relative; width: 100%; color: var(--muted); font: 400 10px/1.6 var(--mono); }
.backend-bus::before { content: ""; position: absolute; height: 100%; width: 1px; background: #526259; top: 0; left: 50%; }
.backend-bus > span { position: relative; background: var(--canvas); padding: 4px 15px; z-index: 1; }
.backend-options { width: 100%; display: grid; grid-template-columns: repeat(4,1fr); gap: 24px; border-top: 1px solid #526259; }
.backend-options > div { padding-top: 31px; position: relative; text-align: center; }
.backend-options > div::before { content: ""; position: absolute; width: 1px; height: 17px; background: #526259; top: 0; left: 50%; }
.backend-options strong { font-size: 18px; font-weight: 500; display: block; }
.backend-options span { color: var(--muted); font: 400 9px/1.7 var(--mono); display: block; margin-top: 9px; }
.backend-note { color: var(--muted); font-size: 12px; line-height: 1.8; text-align: center; margin-top: 30px; max-width: 740px; margin-inline: auto; }
.runtime-workflow { padding-block: 26px 84px; }
.developer-flow { display: grid; grid-template-columns: 1fr 1fr; gap: 80px; margin-top: 38px; align-items: start; }
.developer-flow ol { display: grid; grid-template-columns: 1fr 1fr; list-style: none; gap: 29px 28px; padding: 0; margin: 0; }
.developer-flow li { display: flex; align-items: flex-start; gap: 14px; }
.developer-flow li > span { flex: none; font: 400 12px/1.6 var(--mono); color: var(--accent); padding-top: 2px; }
.developer-flow li strong { font-size: 15px; line-height: 1.5; font-weight: 500; }
.developer-flow li p { color: var(--muted); font-size: 12px; line-height: 1.8; margin-top: 7px; }
.startup-terminal { border: 1px solid #43554b; border-radius: 4px; background: #111718; }
.startup-terminal > figcaption { color: var(--muted); padding: 13px 21px; border-bottom: 1px solid var(--line); font: 400 10px/1.6 var(--mono); }
.startup-terminal pre { padding: 20px 23px; margin: 0; overflow-x: auto; font: 400 12px/1.9 var(--mono); }
.startup-terminal pre code { font: inherit; }
.terminal-prompt { color: var(--accent); }
.terminal-muted { color: var(--muted); }
.startup-terminal > p { color: var(--muted); font-size: 11px; line-height: 1.8; padding: 12px 21px; border-top: 1px solid var(--line); }
.startup-terminal a { color: var(--accent); white-space: nowrap; }
.runtime-open-source { background: #101516; border-block: 1px solid var(--line); padding-block: 67px; }
.open-source-layout { display: grid; grid-template-columns: 1.35fr 1fr; gap: 120px; align-items: center; }
.open-source-layout p { color: var(--muted); max-width: 640px; margin-top: 22px; font-size: 17px; line-height: 1.8; }
.open-source-layout .open-source-status { font-size: 12px; margin-top: 18px; max-width: 570px; }
.open-source-links { display: flex; flex-direction: column; align-items: flex-start; gap: 10px; }
.open-source-links .button { min-width: 200px; }
.open-source-links .text-link { font-size: 13px; }
.open-source-links > span { color: var(--muted); font: 400 10px/1.6 var(--mono); }
.runtime-faq { display: grid; grid-template-columns: .85fr 1.65fr; gap: 90px; padding-block: 75px; border-bottom: 1px solid var(--line); scroll-margin-top: 32px; }
.faq-intro h2 { max-width: 310px; }
.faq-intro .text-link { margin-top: 20px; color: var(--accent); }
.faq-questions { min-width: 0; }
.faq-questions details { border-bottom: 1px solid var(--line); }
.faq-questions details:first-child { border-top: 1px solid var(--line); }
.faq-questions summary { display: flex; justify-content: space-between; align-items: center; gap: 24px; list-style: none; cursor: pointer; padding-block: 21px; font-size: 17px; line-height: 1.5; font-weight: 500; }
.faq-questions summary::-webkit-details-marker { display: none; }
.faq-questions summary:hover { color: var(--accent); }
.faq-toggle { flex: none; width: 18px; text-align: center; color: var(--accent); font: 400 18px/1 var(--mono); }
.faq-toggle::before { content: "+"; }
.faq-questions details[open] .faq-toggle::before { content: "−"; }
.faq-answer { padding: 0 42px 22px 0; }
.faq-answer p { max-width: 65ch; font-size: 15px; line-height: 1.8; color: var(--muted); }
.faq-answer a { color: var(--accent); }
.runtime-final { padding-block: 70px 79px; }
.runtime-final h2 { font-size: clamp(32px, 3.4vw, 43px); }
.runtime-final .runtime-actions { margin-top: 26px; }
@media (max-width: 1100px) {
 .runtime-hero { gap: 43px; padding-block: 48px 62px; }
 .runtime-hero h1 { font-size: clamp(42px, 4.2vw, 51px); }
 .runtime-lede { font-size: 16px; }
 .runtime-actions { gap: 10px; }
 .runtime-actions .button { font-size: 12px; gap: 19px; padding-inline: 16px; }
 .request-option > code { font-size: 11px; }
 .operator-route { gap: 12px; }
 .operator-note { font-size: 9px; }
 .wall-node { flex-direction: column; align-items: flex-start; gap: 3px; padding-block: 9px; }
 .credential-vault > span, .credential-vault > strong { font-size: 10px; }
 .policy-route { padding-left: 14px; gap: 10px; }
 .architecture-layout { gap: 62px; }
 .runtime-policy { gap: 54px; }
 .event-row { grid-template-columns: 53px 96px minmax(0,1fr) 39px; gap: 10px; padding-inline: 15px; font-size: 11px; }
 .event-detail { padding-inline: 18px; }
 .event-detail dl > div { grid-template-columns: 84px minmax(0,1fr); gap: 9px; }
 .developer-flow { gap: 48px; }
 .open-source-layout { gap: 70px; }
}
@media (max-width: 850px) {
 .runtime-hero { grid-template-columns: 1fr; gap: 43px; padding-block: 44px 60px; }
 .runtime-hero-copy { max-width: 640px; }
 .runtime-hero h1 { font-size: 58px; }
 .runtime-lede { font-size: 17px; max-width: 620px; }
 .boundary-diagram { max-width: 620px; width: 100%; }
 .operator-note { font-size: 10px; }
 .request-option > code { font-size: 12px; }
 .wall-node { flex-direction: row; align-items: center; padding-block: 12px; }
 .credential-vault > span, .credential-vault > strong { font-size: 10px; }
 .runtime-problem, .runtime-capabilities, .runtime-backends { padding-block: 60px; }
 .runtime-architecture, .runtime-evidence { padding-block: 60px; }
 .architecture-layout { gap: 37px; margin-top: 37px; }
 .architecture-concepts article > p { font-size: 14px; }
 .protocol-map { padding-inline: 20px; }
 .trust-domain { gap: 9px; }
 .trusted-domain > strong { font-size: 21px; }
 .capability-comparison > div { padding: 25px; }
 .runtime-policy { gap: 35px; padding-block: 5px 60px; }
 .policy-explanation > p { font-size: 15px; }
 .policy-rules { gap: 16px; }
 .code-surface pre { padding-inline: 19px; }
 .code-surface pre code { font-size: 11px; }
 .evidence-body { grid-template-columns: 1fr; }
 .event-row { grid-template-columns: 64px 120px minmax(0,1fr) 45px; gap: 16px; font-size: 11px; padding-inline: 21px; }
 .event-detail { border-left: 0; border-top: 1px solid var(--line); padding: 23px; }
 .event-detail dl { display: grid; grid-template-columns: 1fr 1fr; gap: 10px 35px; }
 .event-detail dl > div { grid-template-columns: 90px minmax(0,1fr); margin-top: 0; }
 .developer-flow { grid-template-columns: 1fr; gap: 35px; }
 .developer-flow ol { grid-template-columns: repeat(3,1fr); }
 .startup-terminal { max-width: 620px; width: 100%; }
 .runtime-workflow { padding-block: 10px 60px; }
 .open-source-layout { gap: 43px; grid-template-columns: 1.5fr 1fr; }
 .open-source-layout p { font-size: 15px; }
 .runtime-faq { grid-template-columns: 1fr; gap: 28px; padding-block: 54px; }
 .faq-intro h2 { max-width: none; }
 .faq-intro .text-link { margin-top: 12px; }
 .runtime-open-source, .runtime-final { padding-block: 54px; }
}
@media (max-width: 600px) {
 .landing-page h2 { font-size: 32px; letter-spacing: -.025em; }
 .runtime-hero { padding-block: 36px 47px; gap: 38px; }
 .runtime-label { font-size: 9px; letter-spacing: .025em; }
 .runtime-label > span { margin-inline: 7px; }
 .runtime-hero h1 { font-size: clamp(28px, 8.45vw, 46px); letter-spacing: -.03em; line-height: 1.13; margin-top: 23px; }
 .runtime-lede { font-size: 15px; line-height: 1.8; margin-top: 22px; }
 .runtime-actions { gap: 10px; margin-top: 25px; }
 .runtime-actions .button { font-size: 11px; padding-inline: 13px; gap: 15px; min-height: 45px; }
 .operator-route { font-size: 10px; gap: 12px; }
 .operator-route > strong { font-size: 15px; }
 .operator-note { font-size: 10px; }
 .boundary-header { padding-inline: 13px; font-size: 10px; gap: 10px; }
 .boundary-header > span { font-size: 10px; }
 .request-options { padding-inline: 5px; }
 .request-option { gap: 5px; padding-inline: 8px; }
 .request-option > code { font-size: 11px; }
 .request-option code > span { padding-right: 3px; }
 .request-kind { font-size: 9px; }
 .workspace-note { font-size: 10px; padding-inline: 13px; }
 .boundary-crossing { font-size: 10px; }
 .trusted-zone { gap: 12px; }
 .wall-node { flex-direction: column; align-items: flex-start; gap: 2px; padding: 9px 13px; }
 .wall-node > strong { font-size: 16px; }
 .wall-node > span { font-size: 10px; }
 .credential-vault { padding-left: 10px; }
 .credential-vault > span, .credential-vault > strong { font-size: 10px; }
 .policy-route { font-size: 9px; gap: 10px; padding-left: 13px; }
 .policy-route > code { font-size: 10px; }
 .policy-route .decision { font-size: 10px; }
 .resource-route { padding-left: 12px; gap: 6px 9px; }
 .resource-route > code { font-size: 9px; }
 .resource-note { font-size: 10px; }
 .boundary-diagram > figcaption { font-size: 10px; }
 .replay-request { font-size: 10px; padding-inline: 8px; }
 .section-copy > p { font-size: 15px; line-height: 1.8; margin-top: 20px; }
 .runtime-problem, .runtime-capabilities, .runtime-backends { padding-block: 47px; }
 .runtime-architecture, .runtime-evidence { padding-block: 48px; }
 .access-comparison { grid-template-columns: 1fr; gap: 34px; margin-top: 30px; }
 .access-model > figcaption { font-size: 10px; }
 .comparison-status { font-size: 9px; }
 .access-model pre { font-size: 11px; }
 .access-model > p { font-size: 12px; }
 .architecture-layout { grid-template-columns: 1fr; gap: 30px; margin-top: 30px; }
 .architecture-concepts { gap: 25px; }
 .architecture-concepts article > p { max-width: none; font-size: 14px; }
 .protocol-map { padding: 21px 19px 10px; }
 .protocol-map .text-link { font-size: 11px; }
 .capability-comparison { grid-template-columns: 1fr; margin-top: 30px; }
 .capability-comparison > div { padding: 24px 21px; }
 .capability-raw { border-right: 0; border-bottom: 1px solid var(--line); }
 .capability-comparison pre { font-size: 11px; }
 .runtime-policy { grid-template-columns: 1fr; gap: 28px; padding-block: 3px 47px; }
 .policy-explanation > p { max-width: none; font-size: 15px; }
 .policy-rules { gap: 19px; }
 .code-surface .docs-code-heading { padding-inline: 17px; }
 .code-surface pre { padding: 19px 18px; }
 .code-surface pre code { font-size: 11px; }
 .code-disclaimer { padding-inline: 17px; font-size: 10px; }
 .evidence-viewer { margin-top: 29px; }
 .evidence-toolbar { align-items: flex-start; flex-direction: column; gap: 12px; padding: 16px; }
 .sample-label { font-size: 9px; margin-left: 10px; }
 .event-row { grid-template-columns: 60px minmax(0,1fr) 42px; gap: 3px 11px; padding: 15px; font-size: 12px; }
 .event-row > code { grid-column: 2; grid-row: 2; margin-top: 3px; }
 .event-row .decision { grid-column: 3; grid-row: 1; font-size: 10px; }
 .event-row > time { font-size: 10px; }
 .event-detail { padding: 19px 16px; }
 .event-detail dl { display: block; }
 .event-detail dl > div { grid-template-columns: 91px minmax(0,1fr); margin-top: 14px; }
 .evidence-footnote { padding-inline: 16px; font-size: 10px; }
 .backend-control { flex-direction: column; gap: 7px; padding: 17px; text-align: center; }
 .backend-control > span { font-size: 9px; }
 .backend-bus { font-size: 10px; height: 48px; }
 .backend-options { grid-template-columns: 1fr 1fr; gap: 22px; }
 .backend-options strong { font-size: 16px; }
 .backend-options span { font-size: 10px; }
 .backend-options > div:nth-child(n+3)::before { display: none; }
 .backend-options > div:nth-child(n+3) { padding-top: 7px; }
 .backend-note { font-size: 11px; text-align: left; margin-top: 26px; }
 .runtime-workflow { padding-block: 6px 47px; }
 .developer-flow { gap: 30px; margin-top: 29px; }
 .developer-flow ol { grid-template-columns: 1fr 1fr; gap: 24px 17px; }
 .developer-flow li { gap: 10px; }
 .developer-flow li strong { font-size: 14px; }
 .developer-flow li p { font-size: 11px; }
 .startup-terminal pre { font-size: 11px; padding-inline: 19px; }
 .startup-terminal > p { padding-inline: 18px; font-size: 10px; }
 .runtime-open-source { padding-block: 46px; }
 .open-source-layout { grid-template-columns: 1fr; gap: 25px; }
 .open-source-links { flex-direction: row; flex-wrap: wrap; align-items: center; gap: 12px 22px; }
 .open-source-links .button { min-width: 0; font-size: 12px; }
 .open-source-links > span { width: 100%; }
 .open-source-layout .open-source-status { font-size: 11px; }
 .runtime-faq { padding-block: 44px; gap: 24px; }
 .faq-questions summary { font-size: 16px; gap: 18px; padding-block: 19px; }
 .faq-answer { padding-right: 0; }
 .faq-answer p { font-size: 14px; }
 .runtime-final { padding-block: 44px 49px; }
 .runtime-final h2 { font-size: 31px; }
}

/* Two independently admitted roles make the work and application boundaries explicit. */
.hero-status { margin-top: 18px; color: var(--muted); font: 400 11px/1.7 var(--mono); }
.hero-cell-pair { display: grid; grid-template-columns: 1.08fr 1fr; gap: 12px; }
.hero-cell-pair > div { min-width: 0; display: flex; flex-direction: column; }
.hero-cell-pair .boundary-header { flex-direction: column; align-items: flex-start; gap: 4px; padding: 13px 14px; }
.hero-cell-pair .boundary-header > strong { font: 500 15px/1.4 var(--sans); }
.hero-cell-pair .request-options { flex: 1; padding: 8px 4px; }
.hero-cell-pair .request-option { padding: 6px; gap: 7px; min-height: 30px; }
.hero-cell-pair .request-option > code { font-size: 10px; overflow-wrap: anywhere; }
.hero-cell-pair .request-option code > span { padding-right: 3px; }
.hero-cell-pair .request-kind { font-size: 8px; }
.hero-cell-pair .workspace-note { padding: 10px 13px; font-size: 9px; }
.service-boundary { border: 1px solid #586c62; border-radius: 4px; background: #111718; }
.service-runtime { flex: 1; padding: 14px 13px; }
.service-runtime > div { display: flex; flex-wrap: wrap; align-items: center; gap: 7px; }
.service-runtime > div > code { font: 400 11px/1.6 var(--mono); }
.service-indicator { color: var(--accent); font: 400 8px/1.6 var(--mono); }
.service-runtime > p { font: 400 10px/1.7 var(--sans); color: var(--muted); margin-top: 8px; }
.service-runtime dl { margin: 15px 0 0; }
.service-runtime dl > div { margin-top: 10px; display: grid; grid-template-columns: 43px minmax(0,1fr); gap: 8px; }
.service-runtime dt { font: 400 9px/1.5 var(--mono); color: var(--muted); }
.service-runtime dd { margin: 0; font: 400 10px/1.6 var(--sans); }
.hero-channel { width: 100%; margin-top: 12px; border: 1px solid #526259; background: transparent; color: var(--ink); border-radius: 3px; padding: 12px 13px; display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 7px 14px; text-align: left; min-height: 45px; }
.hero-channel > span { font: 400 10px/1.5 var(--mono); }
.hero-channel > span > span { color: var(--accent); margin-right: 5px; }
.hero-channel > code { font: 400 10px/1.5 var(--mono); color: var(--muted); }
.hero-channel[aria-pressed="true"] { border-color: #59866e; background: #17261e; }
.hero-channel:hover:not(:disabled) { background: #1c2822; }
.hero-channel:disabled { opacity: 1; cursor: default; }
.cell-containment { color: var(--muted); font: 400 9px/1.7 var(--mono); margin-top: 10px; }
.boundary-diagram .wall-node { flex-direction: column; align-items: flex-start; gap: 4px; min-height: 59px; padding: 11px 13px; }
.boundary-diagram .wall-node > strong { font-size: 12px; letter-spacing: 0; }
.cell-role-comparison .role-label { color: var(--accent); font: 400 12px/1.6 var(--mono); margin: 0 0 15px; }
.cell-role-comparison h3 { font-size: 26px; }
.cell-role-comparison .access-model > p:not(.role-label) { max-width: 480px; font-size: 15px; margin-top: 16px; }
.cell-role-comparison ul { padding: 0; margin: 21px 0; list-style: none; display: flex; flex-direction: column; gap: 13px; }
.cell-role-comparison li { font-size: 13px; line-height: 1.7; color: var(--muted); padding-left: 17px; position: relative; }
.cell-role-comparison li::before { content: ""; position: absolute; left: 0; top: 9px; width: 4px; height: 4px; background: #87c9ac; }
.cell-role-comparison .text-link { font-size: 13px; color: var(--accent); }
.role-contract { color: var(--muted); font-size: 13px; line-height: 1.8; max-width: 780px; margin-top: 35px; }
.architecture-concepts code { font: 400 13px/1.6 var(--mono); }
.architecture-concepts > .text-link { font-size: 13px; color: var(--accent); margin-top: 0; }
.work-cycle { border: 1px solid #44554c; border-radius: 4px; padding: 25px 28px; }
.work-cycle > figcaption { color: var(--muted); font: 400 10px/1.7 var(--mono); }
.work-cycle > figcaption > span { display: block; color: var(--ink); font: 500 22px/1.4 var(--sans); letter-spacing: -.02em; margin-top: 9px; }
.work-cycle ol { margin: 26px 0; padding: 0; list-style: none; }
.work-cycle li { display: flex; gap: 17px; position: relative; padding-bottom: 23px; }
.work-cycle li:last-child { padding-bottom: 0; }
.work-cycle li:not(:last-child)::after { content: ""; position: absolute; top: 14px; bottom: -1px; left: 4px; width: 1px; background: #44554c; }
.cycle-node { flex: none; width: 9px; height: 9px; border: 1px solid var(--accent); margin-top: 5px; }
.work-cycle li strong { font-size: 14px; font-weight: 500; line-height: 1.6; }
.work-cycle li p { font-size: 12px; line-height: 1.8; color: var(--muted); margin-top: 5px; }
.cycle-state { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 9px 18px; border-top: 1px solid var(--line); padding-top: 18px; font: 400 10px/1.7 var(--mono); }
.cycle-state > span { color: var(--muted); }
.cycle-state > strong { font-weight: 400; color: var(--accent); }
.work-cycle .text-link { font-size: 12px; color: var(--accent); margin-top: 14px; }
.runtime-workflow { padding-top: 75px; }
.runtime-substrate-note { color: var(--muted); font-size: 12px; line-height: 1.8; margin-top: 31px; max-width: 790px; }
.runtime-substrate-note a { color: var(--accent); }
@media (min-width: 851px) {
 .runtime-hero { padding-block: 40px 48px; }
}
@media (max-width: 1100px) {
 .hero-cell-pair { gap: 9px; }
 .hero-cell-pair .boundary-header { padding-inline: 12px; }
 .hero-cell-pair .request-option > code { font-size: 9px; }
 .hero-cell-pair .request-kind { font-size: 7px; }
 .service-runtime { padding-inline: 12px; }
 .work-cycle { padding: 23px; }
}
@media (max-width: 850px) {
 .hero-cell-pair .request-option > code { font-size: 11px; }
 .hero-cell-pair .request-kind { font-size: 9px; }
 .runtime-workflow { padding-top: 60px; }
}
@media (max-width: 600px) {
 .hero-status { font-size: 10px; }
 .hero-cell-pair { grid-template-columns: 1fr; gap: 13px; }
 .hero-cell-pair .boundary-header { flex-direction: row; align-items: center; padding: 12px 14px; }
 .hero-cell-pair .boundary-header > strong { font-size: 15px; }
 .hero-cell-pair .request-options { padding-block: 7px; }
 .hero-cell-pair .request-option { padding: 8px 10px; }
 .hero-cell-pair .request-option > code { font-size: 11px; }
 .hero-cell-pair .workspace-note { font-size: 10px; }
 .service-runtime dl { display: grid; grid-template-columns: 1fr 1fr; gap: 12px 20px; margin-top: 13px; }
 .service-runtime dl > div { margin: 0; display: block; }
 .service-runtime dl > div:last-child { grid-column: 1 / -1; }
 .service-runtime { padding: 14px; }
 .service-runtime > p { font-size: 12px; }
 .service-runtime dt, .service-runtime dd { font-size: 10px; }
 .service-runtime dd { margin-top: 3px; }
 .hero-channel { padding: 12px; }
 .hero-channel > span, .hero-channel > code { font-size: 10px; }
 .cell-containment { font-size: 10px; }
 .boundary-diagram .wall-node > strong { font-size: 11px; }
 .boundary-diagram .wall-node > span { font-size: 9px; }
 .cell-role-comparison h3 { font-size: 23px; }
 .cell-role-comparison .access-model > p:not(.role-label) { font-size: 14px; }
 .role-contract { font-size: 12px; margin-top: 27px; }
 .work-cycle { padding: 22px 20px; }
 .work-cycle > figcaption > span { font-size: 21px; }
 .work-cycle li { gap: 15px; }
 .runtime-workflow { padding-top: 48px; }
 .runtime-substrate-note { font-size: 11px; margin-top: 26px; }
}

/* The request example ends in an inspectable decision, across every route. */
.diagram-evidence { display: flex; align-items: center; gap: 12px; padding: 12px 0; border-block: 1px solid var(--line); margin-top: 12px; color: var(--muted); font: 400 10px/1.7 var(--mono); text-decoration: none; }
.diagram-evidence > span:first-child { color: var(--ink); }
.diagram-evidence > code { min-width: 0; font: inherit; overflow-wrap: anywhere; }
.diagram-evidence > span:last-child { margin-left: auto; color: var(--accent); }
.diagram-evidence:hover { color: var(--ink); }

/* Playback explains request, authority, outcome, and evidence in sequence. */
.tour-controls { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 8px 12px; margin-top: 12px; font: 400 10px/1.6 var(--mono); color: var(--muted); }
.tour-controls > div { display: flex; gap: 8px; }
.tour-controls .replay-request, .next-request { font: 400 10px/1.5 var(--mono); min-height: 36px; padding: 7px 10px; }
.next-request { display: inline-flex; align-items: center; gap: 10px; border: 1px solid var(--line); border-radius: 3px; background: transparent; color: var(--ink); }
.next-request:hover { background: #1d2a23; }
.operation-story { margin-top: 12px; border-top: 1px solid var(--line); padding-top: 12px; }
.operation-story ol { display: flex; flex-wrap: wrap; gap: 7px 16px; margin: 0; padding: 0; list-style: none; color: var(--muted); font: 400 10px/1.6 var(--mono); }
.operation-story li[aria-current="step"] { color: var(--accent); text-decoration: underline; text-underline-offset: 5px; }
.operation-story > p { color: var(--ink); font: 400 13px/1.7 var(--sans); margin-top: 11px; min-height: 3.4em; max-width: 62ch; }
.replay-ledger { list-style: none; padding: 0; margin: 0 0 12px; display: flex; flex-direction: column; gap: 0; }
.replay-ledger a { display: flex; justify-content: space-between; align-items: center; gap: 12px; padding: 6px 0; min-height: 30px; text-decoration: none; font: 400 10px/1.6 var(--mono); color: var(--muted); }
.replay-ledger a:hover { color: var(--ink); }
.replay-ledger code { font: inherit; }
.request-option[data-completed] .request-kind::before { content: "✓ "; color: #94d0ae; }
.request-option[data-completed="deny"] .request-kind::before { content: "× "; color: #e1a699; }
.hero-channel[data-completed] > span::after { content: " · ALLOW"; color: #94d0ae; }
.boundary-diagram .agent-boundary, .boundary-diagram .service-boundary, .boundary-diagram .hero-channel, .boundary-diagram .policy-route, .boundary-diagram .resource-route, .boundary-diagram .diagram-evidence { transition: border-color 180ms cubic-bezier(.2,.7,.3,1), background-color 180ms cubic-bezier(.2,.7,.3,1); }
.boundary-diagram[data-phase="request"] .agent-boundary,
.boundary-diagram[data-route-kind="local"][data-phase="result"] .agent-boundary { border-color: #94d0ae; }
.boundary-diagram[data-phase="policy"] .policy-route { background: #17261e; }
.boundary-diagram[data-route-kind="denied"][data-phase="policy"] .policy-route { background: #231c1a; }
.boundary-diagram[data-route-kind="denied"] .resource-route { color: #e1a699; }
.boundary-diagram[data-route-kind="gateway"][data-phase="result"] .resource-route,
.boundary-diagram[data-route-kind="channel"][data-phase="result"] .service-boundary,
.boundary-diagram[data-route-kind="channel"][data-phase="result"] .hero-channel,
.boundary-diagram[data-phase="evidence"] .diagram-evidence { background: #17261e; border-color: #59866e; }
.boundary-diagram[data-route-kind="channel"][data-phase="result"][data-playback="playing"] .hero-channel > code { animation: relay-request 500ms cubic-bezier(.2,.7,.3,1) 1; }
@keyframes relay-request { from { transform: translateX(-8px); } to { transform: translateX(0); } }
.boundary-diagram[data-playback="paused"] .request-packet,
.boundary-diagram[data-playback="paused"] .hero-channel > code { animation-play-state: paused; }
@media (max-width: 600px) {
 .tour-controls { gap: 10px; }
 .tour-controls > span { flex-basis: 100%; }
 .operation-story > p { font-size: 12px; min-height: 5.1em; }
}
@media (prefers-reduced-motion: reduce) {
 .boundary-diagram .request-packet, .boundary-diagram .hero-channel > code { animation: none !important; }
 .boundary-diagram .agent-boundary, .boundary-diagram .service-boundary, .boundary-diagram .hero-channel, .boundary-diagram .policy-route, .boundary-diagram .resource-route, .boundary-diagram .diagram-evidence { transition: none; }
}

/* A short entrance, then motion follows work and direct interaction. */
.landing-page { --motion-ease: cubic-bezier(.22,1,.36,1); }
.landing-page :is(.button, .text-link, .site-navigation a) > span[aria-hidden="true"] { display: inline-block; transition: transform 180ms var(--motion-ease); }
.landing-page :is(.button, .text-link):is(:hover, :focus-visible) > span[aria-hidden="true"] { transform: translateX(3px); }
.landing-page .site-navigation a:is(:hover, :focus-visible) > span[aria-hidden="true"] { transform: translate(2px,-2px); }
.landing-page :is(.request-option, .hero-channel, .replay-request, .next-request, .event-row, .evidence-filters button, .replay-ledger a, .faq-questions summary) { transition: background-color 150ms var(--motion-ease), border-color 150ms var(--motion-ease), color 150ms var(--motion-ease); }
.landing-page .event-row { position: relative; }
.landing-page .event-row::before { content: ""; position: absolute; inset: 0; border: 1px solid transparent; pointer-events: none; transition: border-color 180ms var(--motion-ease); }
.landing-page .event-row[aria-selected="true"]::before { border-color: #59866e; }
.landing-page .event-row[data-event="ssh"][aria-selected="true"]::before { border-color: #976c60; }
@media (prefers-reduced-motion: no-preference) {
 .runtime-hero-copy h1 { animation: hero-arrival 550ms var(--motion-ease) 1 both; }
 .runtime-hero-copy :is(.runtime-label, .runtime-lede) { animation: hero-arrival 500ms var(--motion-ease) 70ms 1 both; }
 .runtime-hero-copy :is(.runtime-actions, .hero-status) { animation: hero-arrival 450ms var(--motion-ease) 140ms 1 both; }
 .runtime-hero .boundary-diagram { animation: boundary-arrival 600ms var(--motion-ease) 120ms 1 both; }
 .work-cycle li:nth-child(1) { --step: 0; }
 .work-cycle li:nth-child(2) { --step: 1; }
 .work-cycle li:nth-child(3) { --step: 2; }
 .work-cycle li:nth-child(4) { --step: 3; }
 .work-cycle[data-traced="true"] li:not(:last-child)::after { transform-origin: top; animation: trace-work 300ms var(--motion-ease) calc(var(--step) * 60ms) 1; }
 .work-cycle[data-traced="true"] .cycle-node { animation: admit-step 240ms var(--motion-ease) calc(var(--step) * 60ms) 1; }
 .faq-questions details[open] .faq-answer { animation: answer-arrival 220ms var(--motion-ease) 1; }
}
/* Every starting state stays visible; no scroll or script unlocks the content. */
@keyframes hero-arrival { from { transform: translateY(10px); opacity: .9; } to { transform: translateY(0); opacity: 1; } }
@keyframes boundary-arrival { from { transform: translateY(8px); opacity: .9; } to { transform: translateY(0); opacity: 1; } }
@keyframes trace-work { from { transform: scaleY(.25); } to { transform: scaleY(1); } }
@keyframes admit-step { 0% { background: transparent; } 45% { background: var(--accent); } 100% { background: transparent; } }
@keyframes answer-arrival { from { transform: translateY(-4px); opacity: .9; } to { transform: translateY(0); opacity: 1; } }
@media (prefers-reduced-motion: reduce) {
 .landing-page *, .landing-page *::before, .landing-page *::after { animation: none !important; transition: none !important; }
}