:root {
  color-scheme: light;
  --motion-fast: 120ms;
  --motion-panel: 220ms;
  --motion-ease: cubic-bezier(.2, .8, .2, 1);
  --canvas: #EDEEEB;
  --paper: #f7f8f4;
  --paper-high: #fcfcf9;
  --surface: #E2E5E5;
  --surface-deep: #D6DCDF;
  --ink: #20282d;
  --ink-2: #455159;
  --muted: #526068;
  --line: #C4CBCD;
  --line-strong: #94a3a5;
  --control-line: #7c8c91;
  --accent: #756D99;
  --accent-deep: #555074;
  --accent-soft: #E4E3EF;
  --warm: #85695d;
  --shadow: 0 20px 55px #25303912, 0 2px 8px #25303905;
  --content: min(1240px, calc(100% - 64px));
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}
/* Public presentation: soft mineral light surfaces, independent of workspace. */
.depth-intro { padding-bottom: 0; }
.depth-options { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 24px; }
.depth-options article { border-top: 1px solid var(--line-strong); padding-top: 18px; }
.depth-options span { font-size: .75rem; color: var(--accent-deep); }
.depth-options h3 { margin: 16px 0 8px; font-size: 1.25rem; font-weight: 550; letter-spacing: -.02em; }
.depth-options p { margin: 0; color: var(--ink-2); }
@media (max-width: 1180px) { .site-header { gap: 14px; } .site-nav { gap: 15px; } .header-actions { gap: 12px; margin-left: 0; } }
@media (max-width: 680px) { .depth-options { grid-template-columns: 1fr; gap: 22px; } }
* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 90px; }
body { margin: 0; color: var(--ink); background: var(--canvas); font: 1rem/1.6 var(--font); -webkit-font-smoothing: antialiased; }
button, textarea, input { font: inherit; }
button, summary { cursor: pointer; }
button { color: inherit; }
a { color: inherit; text-decoration: none; }
button, a, input, textarea, summary { -webkit-tap-highlight-color: transparent; }
button:focus-visible, a:focus-visible, input:focus-visible, textarea:focus-visible, summary:focus-visible, [tabindex]:focus-visible { outline: 3px solid var(--accent); outline-offset: 4px; }
button:disabled { cursor: default; opacity: .4; }
[hidden] { display: none !important; }
p, h1, h2, h3, h4 { overflow-wrap: break-word; }
h1, h2, h3, h4 { text-wrap: balance; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; overflow: hidden; clip-path: inset(50%); white-space: nowrap; border: 0; }
.skip-link { position: fixed; z-index: 200; top: 8px; left: 8px; padding: 10px 16px; color: var(--paper-high); background: var(--ink); border-radius: 6px; transform: translateY(-160%); }
.skip-link:focus { transform: none; }
.eyebrow { display: block; margin: 0 0 18px; color: var(--accent-deep); font-size: 0.75rem; font-weight: 650; letter-spacing: .09em; line-height: 1.5; text-transform: uppercase; }
.wordmark { display: inline-flex; align-items: center; gap: 14px; font-size: 1.4375rem; font-weight: 620; letter-spacing: -.045em; line-height: 1; }
.brand-caption { padding-left: 13px; border-left: 1px solid var(--line-strong); color: var(--muted); font-size: 0.75rem; font-weight: 450; letter-spacing: 0; }
.button { display: inline-flex; justify-content: center; align-items: center; gap: 16px; min-height: 46px; padding: 10px 17px; border: 1px solid var(--line-strong); border-radius: 10px; font-size: 0.875rem; font-weight: 600; line-height: 1.4; text-align: center; transition: background var(--motion-fast) var(--motion-ease), border-color var(--motion-fast) var(--motion-ease), box-shadow var(--motion-fast) var(--motion-ease); }
.button-primary { border-color: #303e47; color: #fafbf9; background: linear-gradient(#3c4952, #26323a); box-shadow: inset 0 1px #ffffff24, 0 6px 15px #26323a16; }
.button-primary:hover { background: linear-gradient(#4a5862, #303e47); box-shadow: inset 0 1px #ffffff2b, 0 8px 18px #26323a24; }
.button-secondary { color: var(--ink); background: linear-gradient(#ffffff9e, #e4e9e6b3); box-shadow: inset 0 1px #ffffffbd; }
.button-secondary:hover { border-color: var(--accent); background: var(--paper-high); }
.button-small { min-height: 40px; padding: 9px 13px; }
.text-link { display: inline-flex; align-items: center; gap: 14px; min-height: 44px; color: var(--accent-deep); font-size: 0.875rem; font-weight: 600; text-underline-offset: 5px; }
.text-link:hover { text-decoration: underline; }
button.text-link { padding: 0; border: 0; background: transparent; text-align: left; }
.icon-button { display: inline-grid; flex: 0 0 auto; place-items: center; width: 40px; min-height: 40px; padding: 0; border: 1px solid var(--line); border-radius: 8px; color: var(--ink-2); background: var(--paper); font-size: 1.1875rem; }
.icon-button:hover:not(:disabled) { border-color: var(--accent); }
.demo-label { display: inline-block; padding: 4px 8px; border: 1px solid var(--line); border-radius: 6px; color: var(--muted); font-size: 0.75rem; line-height: 1.4; font-weight: 450; letter-spacing: 0; white-space: normal; }
.small-note, .demo-caveat { color: var(--muted); font-size: 0.875rem; line-height: 1.6; }
.site-header { position: fixed; z-index: 100; top: 0; right: 0; left: 0; display: flex; align-items: center; justify-content: space-between; gap: 26px; min-height: 76px; padding: 12px max(32px, calc((100% - 1240px) / 2)); border-bottom: 1px solid transparent; background: #EDEEEBde; backdrop-filter: blur(18px); }
.site-header.scrolled { border-color: #C4CBCDb3; background: #f0f3efed; }
.site-nav, .header-actions { display: flex; align-items: center; gap: 25px; }
.site-nav { margin-left: auto; font-size: 0.875rem; color: var(--ink-2); }
.site-nav a { display: flex; min-height: 44px; align-items: center; }
.site-nav a:hover { color: var(--accent-deep); }
.header-actions { gap: 18px; margin-left: 14px; }
.workspace-link { font-size: 0.875rem; color: var(--muted); }
.menu-toggle, .site-nav .mobile-workspace { display: none; }
.menu-toggle { width: 44px; min-height: 44px; padding: 12px; border: 1px solid var(--line); border-radius: 9px; background: var(--paper); }
.menu-toggle span { display: block; height: 1px; margin: 5px 0; background: var(--ink); }

.hero { width: var(--content); margin: 0 auto; padding-top: 102px; }
.hero-surface { display: grid; grid-template-columns: minmax(0, 1.08fr) minmax(0, 1fr); align-items: center; gap: 36px 60px; min-height: 650px; padding: 64px 56px 26px; border: 1px solid #b7c1c8; border-radius: 25px; background: radial-gradient(ellipse at 93% 4%, #a4b0d178, transparent 57%), radial-gradient(ellipse at 6% 100%, #b7a69d1f, transparent 38%), linear-gradient(128deg, #F3F4F1, #E4E6E9 58%, #dce2e8); box-shadow: inset 0 1px #ffffffc9, var(--shadow); }
.hero h1 { max-width: 650px; margin: 0; font-size: clamp(2.75rem, 4.35vw, 3.9375rem); font-weight: 500; letter-spacing: -.045em; line-height: 1.075; }
.hero-lead { max-width: 510px; margin: 25px 0 0; color: var(--ink-2); font-size: 1.0625rem; line-height: 1.7; }
.hero-link { margin-top: 18px; }
.engine { min-width: 0; padding: 28px; border: 1px solid #9eacb9; border-radius: 18px; background: #fcfcf8e8; backdrop-filter: blur(18px); box-shadow: inset 0 1px #fff, 0 25px 60px #34455217; }
.engine-topline { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.engine-topline .eyebrow { margin: 0; }
.engine h2 { max-width: 340px; margin: 22px 0; font-size: 2rem; font-weight: 510; letter-spacing: -.035em; line-height: 1.13; }
.engine textarea { display: block; width: 100%; min-height: 118px; padding: 14px; color: var(--ink); border: 1px solid var(--control-line); border-radius: 10px; background: #ffffff82; resize: vertical; font-size: 1rem; line-height: 1.6; }
.engine textarea::placeholder { color: var(--muted); opacity: 1; }
.engine textarea:focus { border-color: var(--accent); }
.engine textarea[aria-invalid="true"] { border-color: var(--warm); }
.field-error { margin: 8px 0; color: #825544; font-size: 0.875rem; }
.engine-actions { display: flex; justify-content: flex-end; margin-top: 12px; }
.prompt-options { display: flex; flex-wrap: wrap; align-items: center; gap: 0 12px; margin-top: 14px; color: var(--muted); font-size: 0.75rem; }
.prompt-options button { min-height: 36px; padding: 5px 0; border: 0; background: none; color: var(--accent-deep); font-size: 0.8125rem; text-underline-offset: 4px; }
.prompt-options button:hover { text-decoration: underline; }
.engine-status { display: flex; align-items: flex-start; gap: 8px; padding-top: 14px; margin-top: 10px; border-top: 1px solid var(--line); color: var(--muted); font-size: 0.75rem; line-height: 1.6; }
.status-dot { flex: 0 0 auto; width: 5px; height: 5px; margin-top: 7px; background: var(--accent); border-radius: 50%; }
.engine-result { margin-top: 22px; padding-top: 21px; border-top: 1px solid var(--line-strong); }
.engine-result > header { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.engine-result .eyebrow { margin: 0; }
.engine-result h3 { margin: 17px 0 12px; font-size: 1.4375rem; font-weight: 550; letter-spacing: -.02em; line-height: 1.25; }
.engine-result p { font-size: 0.9375rem; color: var(--ink-2); }
.engine-result .demo-caveat { font-size: 0.8125rem; color: var(--muted); }
.first-question { display: grid; gap: 6px; padding: 15px; border-left: 2px solid var(--accent); background: var(--accent-soft); }
.first-question > span { font-size: 0.75rem; color: var(--accent-deep); }
.first-question strong { font-size: 0.9375rem; font-weight: 550; }
.hero-contract { grid-column: 1 / -1; display: flex; flex-wrap: wrap; gap: 14px 30px; padding-top: 21px; border-top: 1px solid #aebcc180; color: var(--muted); font-size: 0.8125rem; }
.hero-contract span { padding-left: 13px; border-left: 2px solid #8a9ab2; }

.section { width: var(--content); margin: 0 auto; padding: 90px 0; }
.section-inner { width: var(--content); margin: 0 auto; }
.full-section { width: 100%; }
.section-intro { max-width: 900px; margin-bottom: 34px; }
.section-intro h2, .brain-copy h2, .closing h2 { margin: 0; font-size: clamp(2.125rem, 3.35vw, 3rem); font-weight: 500; letter-spacing: -.035em; line-height: 1.12; }
.split-intro { display: grid; grid-template-columns: minmax(0, 1.2fr) minmax(0, .8fr); align-items: end; gap: 65px; max-width: none; }
.split-intro > p { max-width: 440px; margin: 0 0 3px auto; color: var(--ink-2); font-size: 1rem; line-height: 1.7; }
.situation-browser { border: 1px solid var(--line-strong); border-radius: 17px; overflow: hidden; background: var(--paper); box-shadow: var(--shadow); }
.situation-toolbar { display: flex; align-items: center; justify-content: space-between; gap: 28px; padding: 16px 22px; background: var(--paper-high); border-bottom: 1px solid var(--line); }
.situation-toolbar p { display: flex; flex-wrap: wrap; gap: 0 15px; margin: 0; font-size: 0.875rem; }
.situation-toolbar strong { font-weight: 550; }
.situation-toolbar p span { color: var(--muted); }
.situation-search { width: 290px; max-width: 100%; flex: 0 0 auto; }
.situation-search input { width: 100%; min-height: 42px; padding: 9px 12px; border: 1px solid var(--control-line); border-radius: 8px; color: var(--ink); background: var(--paper); font-size: 0.875rem; }
.filter-rail { display: flex; gap: 4px; overflow-x: auto; padding: 8px 13px; border-bottom: 1px solid var(--line); background: var(--surface); scrollbar-width: thin; }
.filter-rail button { flex: 0 0 auto; min-height: 40px; padding: 7px 12px; border: 1px solid transparent; border-radius: 7px; color: var(--muted); background: transparent; font-size: 0.875rem; }
.filter-rail button.active { color: var(--ink); background: var(--paper-high); border-color: var(--line); }
.situation-stage { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.08fr); }
.situation-stage.is-empty { grid-template-columns: 1fr; }
.situation-list-wrap { min-width: 0; display: flex; flex-direction: column; padding: 12px; background: #e4e9e5; }
.situation-list { display: grid; gap: 3px; }
.situation-item { display: grid; grid-template-columns: minmax(0, 1fr) 15px; gap: 15px; align-items: center; width: 100%; min-height: 71px; padding: 11px 15px; border: 1px solid transparent; border-radius: 9px; color: var(--ink-2); background: transparent; text-align: left; }
.situation-item strong, .situation-item small { display: block; }
.situation-item strong { font-size: 0.9375rem; font-weight: 500; line-height: 1.45; }
.situation-item small { margin-top: 3px; color: var(--muted); font-size: 0.75rem; }
.situation-item > span { color: var(--accent); }
.situation-item:hover { background: #fcfcf980; }
.situation-item.active { border-color: #abb7c0; background: var(--paper-high); box-shadow: inset 3px 0 var(--accent), 0 4px 12px #28343d08; }
.situation-pagination { display: flex; align-items: center; justify-content: space-between; gap: 14px; padding: 12px 4px 0; margin-top: auto; }
.situation-pagination p { display: flex; flex-wrap: wrap; gap: 5px; margin: 0; font-size: 0.75rem; color: var(--muted); }
.situation-pagination div { display: flex; gap: 6px; }
.situation-detail { min-width: 0; padding: 27px 31px; border-left: 1px solid var(--line); background: radial-gradient(ellipse at 100% 0, #8e9cbc1a, transparent 48%), var(--paper-high); }
.detail-index { display: flex; align-items: center; justify-content: space-between; gap: 12px; min-height: 24px; color: var(--accent-deep); font-size: 0.75rem; }
.detail-close { display: none; }
.situation-detail h3 { margin: 18px 0 12px; font-size: clamp(1.5rem, 2.2vw, 2rem); font-weight: 510; line-height: 1.2; letter-spacing: -.025em; }
.situation-detail > p { color: var(--ink-2); font-size: 0.9375rem; }
.situation-detail dl { margin: 24px 0; }
.situation-detail dl div { display: grid; grid-template-columns: 135px minmax(0, 1fr); gap: 15px; padding: 13px 0; border-top: 1px solid var(--line); }
.situation-detail dt { color: var(--accent-deep); font-size: 0.75rem; font-weight: 600; }
.situation-detail dd { margin: 0; color: var(--ink-2); font-size: 0.875rem; line-height: 1.5; }
.situation-empty { display: grid; gap: 8px; padding: 35px 22px; color: var(--muted); }
.situation-empty strong { color: var(--ink); font-size: 1.25rem; font-weight: 550; }
.situation-empty button { justify-self: start; }

.approach { border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); background: linear-gradient(120deg, #DDE2E4, #E6E9E9 64%, #d8dfe3); }
.approach-bridge { display: grid; grid-template-columns: 1fr 1.12fr 1fr; border: 1px solid var(--line-strong); border-radius: 17px; overflow: hidden; box-shadow: var(--shadow); }
.approach-bridge article { position: relative; min-width: 0; padding: 30px; }
.approach-bridge article + article { border-left: 1px solid var(--line); }
.approach-bridge h3 { margin: 34px 0 20px; font-size: 1.75rem; font-weight: 510; line-height: 1.18; letter-spacing: -.025em; }
.approach-bridge p, .approach-bridge li { font-size: 0.9375rem; line-height: 1.65; }
.approach-bridge p { margin: 0; color: var(--ink-2); }
.approach-bridge .small-note { margin-top: 18px; color: var(--muted); font-size: 0.75rem; }
.approach-source { background: var(--surface); }
.approach-source ul { display: grid; gap: 6px; margin: 0; padding: 0; list-style: none; color: var(--ink-2); }
.approach-crossing { color: #f3f5f2; background: linear-gradient(140deg, #3e4a53, #28343b); }
.approach-crossing .eyebrow { color: #bec9e2; }
.approach-crossing p { color: #d0d8d8; }
.crossing-line { display: block; width: 82px; height: 2px; margin-top: 23px; background: linear-gradient(90deg, #c1cbe5, #c1cbe500); }
.approach-outcome { background: var(--paper-high); }
.dossier-demo { overflow: hidden; border: 1px solid var(--line-strong); border-radius: 18px; background: var(--paper-high); box-shadow: var(--shadow); }
.demo-bar { display: flex; justify-content: space-between; align-items: center; gap: 16px; padding: 15px 25px; border-bottom: 1px solid var(--line); background: var(--surface); font-size: 0.875rem; color: var(--ink-2); }
.state-tabs { display: grid; grid-template-columns: repeat(4, 1fr); padding: 8px; gap: 5px; border-bottom: 1px solid var(--line); background: #e7ece8; }
.state-tabs button { display: flex; align-items: center; gap: 13px; min-height: 48px; padding: 9px 15px; color: var(--muted); border: 1px solid transparent; border-radius: 8px; background: transparent; font-size: 0.875rem; text-align: left; }
.state-tabs button > span { font-size: 0.75rem; color: var(--accent-deep); }
.state-tabs button.active { color: var(--ink); background: var(--paper-high); border-color: #aab8c4; box-shadow: inset 0 -2px var(--accent); }
.dossier-content { display: grid; grid-template-columns: minmax(0, 1.3fr) minmax(0, .8fr); align-items: start; gap: 35px 55px; padding: 38px; }
.dossier-story h3 { margin: 0 0 15px; font-size: clamp(1.75rem, 2.65vw, 2.375rem); font-weight: 500; letter-spacing: -.03em; line-height: 1.16; }
.dossier-story > p { margin: 0; color: var(--ink-2); font-size: 1rem; }
.evidence-pair { margin: 25px 0 0; }
.evidence-pair > div { padding: 13px 0; border-top: 1px solid var(--line); }
.evidence-pair dt { color: var(--accent-deep); font-size: 0.75rem; font-weight: 600; }
.evidence-pair dd { margin: 6px 0 0; color: var(--ink-2); font-size: 0.875rem; line-height: 1.55; }
.scenario-page-preview { min-width: 0; border: 1px solid #b5bbc5; border-radius: 12px; overflow: hidden; background: #f2f3ef; box-shadow: 0 15px 35px #26323a12; }
.scenario-page-preview > header { display: flex; align-items: center; justify-content: space-between; gap: 8px; padding: 15px 18px; border-bottom: 1px solid #cbd0ce; font-size: 0.875rem; font-weight: 600; }
.scenario-page-preview header small { color: var(--muted); font-size: 0.75rem; font-weight: 400; }
.scenario-page-preview > div { padding: 35px 25px; background: linear-gradient(150deg, #d9deec, #f0f1ed 78%); }
.scenario-page-preview h4 { margin: 0 0 15px; font-size: 1.9375rem; font-weight: 500; line-height: 1.13; letter-spacing: -.035em; }
.scenario-page-preview p { color: var(--ink-2); font-size: 0.875rem; }
.preview-contact { display: inline-flex; align-items: center; gap: 12px; padding-bottom: 4px; margin-top: 13px; border-bottom: 1px solid var(--accent); font-size: 0.8125rem; color: var(--accent-deep); }
.scenario-page-preview > div > small { display: block; margin-top: 8px; color: var(--muted); font-size: 0.75rem; }
.scenario-page-preview > footer { padding: 12px 18px; border-top: 1px solid #cbd0ce; color: var(--muted); font-size: 0.75rem; }
.dossier-next { grid-column: 1 / -1; display: flex; align-items: center; justify-content: space-between; gap: 30px; padding-top: 22px; border-top: 1px solid var(--line); }
.dossier-next span:not([aria-hidden]), .dossier-next strong { display: block; }
.dossier-next div > span { color: var(--muted); font-size: 0.75rem; }
.dossier-next strong { margin-top: 5px; font-size: 0.9375rem; font-weight: 550; }
.dossier-next .text-link { flex: 0 0 auto; }

.second-brain { background: radial-gradient(ellipse at 90% 7%, #b3bfd644, transparent 53%), #E2E5E6; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.brain-layout { display: grid; grid-template-columns: minmax(0, .85fr) minmax(0, 1.15fr); gap: 35px 80px; align-items: center; }
.brain-copy > p:not(.eyebrow) { max-width: 470px; color: var(--ink-2); font-size: 1rem; line-height: 1.75; }
.brain-copy > p:nth-of-type(2) { margin-top: 25px; }
.brain-copy .button { margin-top: 18px; }
.development-note { display: block; margin-top: 12px; color: var(--muted); font-size: 0.75rem; }
.resume-card { min-width: 0; overflow: hidden; border: 1px solid #9baab5; border-radius: 17px; background: var(--paper-high); box-shadow: var(--shadow); }
.resume-card > header { display: flex; align-items: center; justify-content: space-between; gap: 22px; padding: 25px 28px; border-bottom: 1px solid var(--line); background: linear-gradient(135deg, #edf0f0, #e0e6ee); }
.resume-card .eyebrow { margin-bottom: 8px; }
.resume-card h3 { margin: 0; font-size: 1.5rem; font-weight: 550; letter-spacing: -.025em; line-height: 1.2; }
.resume-summary { margin: 0; padding: 6px 28px; }
.resume-summary > div { padding: 18px 0; }
.resume-summary > div + div { border-top: 1px solid var(--line); }
.resume-summary dt { color: var(--muted); font-size: 0.75rem; font-weight: 600; }
.resume-summary dd { margin: 8px 0 0; font-size: 1rem; color: var(--ink-2); line-height: 1.55; }
.resume-summary .open-point dt { color: var(--warm); }
.resume-summary .next-action dt { color: var(--accent-deep); }
.resume-summary .next-action dd { color: var(--ink); font-weight: 550; }
.memory-details { margin: 0 18px 18px; border: 1px solid var(--line); border-radius: 9px; }
.memory-details summary { min-height: 44px; padding: 12px 14px; font-size: 0.875rem; color: var(--accent-deep); }
.memory-layers { display: flex; flex-wrap: wrap; gap: 4px; padding: 12px 12px 0; border-top: 1px solid var(--line); }
.memory-layers button { min-height: 36px; padding: 6px 9px; border: 1px solid transparent; border-radius: 6px; color: var(--muted); background: transparent; font-size: 0.75rem; }
.memory-layers button.active { color: var(--accent-deep); border-color: #acb7c9; background: var(--accent-soft); }
.brain-detail { padding: 16px; }
.brain-detail > span { color: var(--muted); font-size: 0.75rem; }
.brain-detail h4 { margin: 10px 0; font-size: 1.0625rem; font-weight: 550; letter-spacing: -.015em; }
.brain-detail p { margin: 0; color: var(--ink-2); font-size: 0.875rem; }
.resume-card > footer { padding: 14px 25px; border-top: 1px solid var(--line); background: var(--surface); color: var(--muted); font-size: 0.75rem; }
.brain-relation { grid-column: 1 / -1; max-width: 880px; margin: 3px 0 0; padding-top: 20px; border-top: 1px solid #adbcba; color: var(--muted); font-size: 0.875rem; }
.trust, .horizons { color: #edf1ef; background: #263138; }
.trust .eyebrow, .horizons .eyebrow { color: #bac7e3; }
.trust .split-intro > p, .horizons .split-intro > p { color: #c3cdd0; }
.trust-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); border-top: 1px solid #586369; border-bottom: 1px solid #586369; }
.trust-grid article { padding: 25px 23px 25px 0; }
.trust-grid article + article { padding-left: 23px; border-left: 1px solid #586369; }
.trust-grid article > span { font-size: 0.75rem; color: #bac7e3; }
.trust-grid h3 { margin: 22px 0 10px; font-size: 1.1875rem; font-weight: 500; letter-spacing: -.02em; line-height: 1.3; }
.trust-grid p { margin: 0; color: #c3cdd0; font-size: 0.875rem; line-height: 1.6; }
.trust .text-link { margin-top: 23px; color: #c9d4ed; }
.closing { display: grid; grid-template-columns: minmax(0, 1fr) auto; align-items: center; gap: 65px; width: var(--content); margin: 0 auto; padding: 84px 0; }
.closing h2 { max-width: 730px; font-size: clamp(1.9375rem, 3vw, 2.625rem); }
.closing-actions { display: grid; justify-items: center; gap: 12px; }
.site-footer { display: flex; align-items: center; justify-content: space-between; gap: 28px; padding: 30px max(32px, calc((100vw - 1240px) / 2)); border-top: 1px solid var(--line); background: #DFE2E7; }
.site-footer p { margin: 0; color: var(--muted); font-size: 0.75rem; }
.site-footer nav { display: flex; flex-wrap: wrap; gap: 22px; color: var(--ink-2); font-size: 0.875rem; }
.site-footer nav a { display: inline-flex; align-items: center; min-height: 44px; }

.about-main { padding-top: 104px; }
.about-hero { display: grid; grid-template-columns: minmax(0, 1.25fr) minmax(0, .85fr); align-items: center; gap: 75px; width: var(--content); margin: 0 auto; padding: 55px; border: 1px solid #b7c1c8; border-radius: 25px; background: radial-gradient(ellipse at 92% 3%, #afbbd96b, transparent 57%), linear-gradient(130deg, #F3F4F1, #E1E4E9); box-shadow: var(--shadow); }
.about-hero h1 { margin: 0; font-size: clamp(2.5625rem, 4.2vw, 3.75rem); font-weight: 500; line-height: 1.09; letter-spacing: -.04em; }
.about-hero-copy > p:not(.eyebrow) { margin: 27px 0 0; color: var(--ink-2); font-size: 1.0625rem; line-height: 1.75; }
.name-card { min-width: 0; padding: 30px; border: 1px solid #acb8bd; border-radius: 17px; background: #fafbf6b8; backdrop-filter: blur(14px); box-shadow: inset 0 1px #fff, 0 18px 40px #3345530b; }
.name-wordmark { display: block; margin-bottom: 40px; color: var(--accent-deep); font-size: clamp(2.5rem, 4vw, 3.5625rem); font-weight: 500; letter-spacing: -.05em; line-height: 1; }
.name-card .eyebrow { margin-bottom: 15px; }
.name-card h2 { margin: 0 0 17px; font-size: 1.6875rem; font-weight: 510; line-height: 1.2; letter-spacing: -.03em; }
.name-card p:last-child { margin: 0; color: var(--ink-2); font-size: 0.9375rem; line-height: 1.7; }
.audience-note, .economy-note { display: grid; grid-template-columns: minmax(0, .8fr) minmax(0, 1.2fr); gap: 65px; width: var(--content); margin: 0 auto; padding: 62px 0; }
.audience-note { border-bottom: 1px solid var(--line); }
.audience-note h2, .economy-note h2 { margin: 0; font-size: clamp(1.75rem, 2.7vw, 2.4375rem); font-weight: 500; letter-spacing: -.025em; line-height: 1.18; }
.audience-note p, .economy-note p { margin: 0; color: var(--ink-2); font-size: 1rem; line-height: 1.75; }
.audience-note p + p, .economy-note p + p { margin-top: 15px; }
.knowhow-lines { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 28px; }
.knowhow-lines article { padding-top: 22px; border-top: 1px solid var(--line-strong); }
.knowhow-lines h3 { margin: 0 0 12px; font-size: 1.4375rem; font-weight: 500; letter-spacing: -.025em; line-height: 1.25; }
.knowhow-lines p { margin: 0; color: var(--ink-2); font-size: 0.9375rem; }
.technical-note { margin-top: 32px; padding: 0 20px; border: 1px solid var(--line); border-radius: 10px; background: #f5f7f266; }
.technical-note summary { padding: 16px 0; font-size: 0.875rem; color: var(--accent-deep); }
.technical-note p { max-width: 950px; color: var(--ink-2); font-size: 0.9375rem; }
.about-principles { background: #dfe5e1; border-top: 1px solid var(--line); }
.principles-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); border: 1px solid var(--line-strong); border-radius: 15px; overflow: hidden; background: var(--paper); }
.principles-grid article { padding: 26px 30px; }
.principles-grid article:nth-child(even) { border-left: 1px solid var(--line); }
.principles-grid article:nth-child(n+3) { border-top: 1px solid var(--line); }
.principles-grid article > span { color: var(--accent-deep); font-size: 0.75rem; }
.principles-grid h3 { margin: 22px 0 12px; font-size: 1.4375rem; font-weight: 500; letter-spacing: -.025em; line-height: 1.25; }
.principles-grid p { margin: 0; color: var(--ink-2); font-size: 0.9375rem; }
.horizon-list { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); list-style: none; padding: 0; margin: 0; border-top: 1px solid #586369; border-bottom: 1px solid #586369; }
.horizon-list li { padding: 25px 27px 27px 0; }
.horizon-list li + li { padding-left: 27px; border-left: 1px solid #586369; }
.horizon-list li > span { color: #bac7e3; font-size: 0.75rem; }
.horizon-list h3 { margin: 28px 0 14px; font-size: 1.5625rem; font-weight: 500; line-height: 1.2; letter-spacing: -.025em; }
.horizon-list p { margin: 0; color: #c3cdd0; font-size: 0.9375rem; }
.resilience-note { max-width: 970px; margin: 24px 0 0; color: #bbc8cc; font-size: 0.875rem; }
.economy-note { padding-block: 78px; border-bottom: 1px solid var(--line); }

@media (max-width: 1180px) {
  .site-header { gap: 18px; }
  .brand-caption { display: none; }
  .site-nav { gap: 17px; }
  .header-actions { margin-left: 0; }
  .workspace-link { display: none; }
  .hero-surface { padding: 45px 35px 25px; gap: 32px; }
  .hero h1 { font-size: clamp(2.625rem, 4.7vw, 3.375rem); }
  .engine { padding: 23px; }
  .engine-topline { flex-wrap: wrap; gap: 7px; }
  .split-intro { gap: 45px; }
  .situation-detail dl div { grid-template-columns: 1fr; gap: 5px; }
  .dossier-content { gap: 28px; padding: 30px; }
  .brain-layout { gap: 30px 45px; }
  .about-hero { padding: 40px; gap: 40px; }
}
@media (max-width: 900px) {
  :root { --content: calc(100% - 40px); }
  .site-header { min-height: 68px; padding: 10px 20px; }
  .site-nav { position: absolute; display: none; top: calc(100% + 5px); left: 20px; right: 20px; margin: 0; padding: 12px; border: 1px solid var(--line); border-radius: 12px; background: var(--paper-high); box-shadow: var(--shadow); }
  .site-nav.open { display: grid; gap: 3px; }
  .site-nav a { padding: 8px 12px; }
  .site-nav .mobile-workspace { display: flex; margin-top: 5px; border-top: 1px solid var(--line); }
  .header-actions { margin-left: auto; }
  .menu-toggle { display: block; }
  .hero { padding-top: 85px; }
  .hero-surface { grid-template-columns: 1fr; min-height: 0; padding: 38px 34px 25px; }
  .hero-copy { max-width: 680px; }
  .hero h1 { max-width: 690px; font-size: clamp(2.6875rem, 6.6vw, 3.5625rem); }
  .hero-lead { max-width: 660px; }
  .hero-link { margin-top: 10px; }
  .engine { width: 100%; max-width: 700px; }
  .engine h2 { max-width: none; }
  .engine-topline { flex-wrap: nowrap; }
  .section { padding-block: 68px; }
  .split-intro { grid-template-columns: 1fr; gap: 20px; }
  .split-intro > p { max-width: 670px; margin-left: 0; }
  .situation-toolbar { gap: 18px; }
  .situation-search { width: 240px; }
  .situation-detail { padding: 22px; }
  .approach-bridge article { padding: 24px; }
  .approach-bridge h3 { font-size: 1.5625rem; }
  .dossier-content { grid-template-columns: 1.1fr 1fr; }
  .scenario-page-preview > div { padding: 24px 20px; }
  .brain-layout { grid-template-columns: 1fr 1.12fr; gap: 26px; }
  .resume-card > header { flex-wrap: wrap; padding: 22px; }
  .resume-summary { padding-inline: 22px; }
  .trust-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .trust-grid article:nth-child(3) { border-left: 0; padding-left: 0; }
  .trust-grid article:nth-child(n+3) { border-top: 1px solid #586369; }
  .closing { gap: 30px; padding-block: 62px; }
  .site-footer { padding-inline: 20px; flex-wrap: wrap; }
  .about-main { padding-top: 85px; }
  .about-hero { grid-template-columns: 1fr; padding: 36px; }
  .name-card { display: grid; grid-template-columns: 1fr 1.4fr; gap: 12px 35px; }
  .name-wordmark { grid-column: 1; grid-row: 1 / 4; align-self: center; margin: 0; }
  .name-card .eyebrow, .name-card h2, .name-card p:last-child { grid-column: 2; margin: 0; }
  .audience-note, .economy-note { gap: 35px; }
  .knowhow-lines { gap: 20px; }
}
@media (max-width: 680px) {
  :root { --content: calc(100% - 32px); }
  html { scroll-padding-top: 82px; }
  .site-header { min-height: 64px; padding-inline: 16px; }
  .wordmark { font-size: 1.375rem; }
  .brand-caption { display: inline; }
  .header-actions { display: none; }
  .site-nav { left: 16px; right: 16px; }
  .hero { padding-top: 79px; }
  .hero-surface { padding: 26px 20px 22px; gap: 25px; border-radius: 19px; }
  .hero .eyebrow { font-size: 0.75rem; margin-bottom: 14px; letter-spacing: .07em; }
  .hero h1 { font-size: clamp(2.125rem, 9.5vw, 2.75rem); letter-spacing: -.04em; line-height: 1.09; }
  .hero-lead { margin-top: 18px; font-size: 1rem; line-height: 1.6; }
  .hero-link { display: none; }
  .engine { padding: 19px; border-radius: 14px; }
  .engine-topline { align-items: start; }
  .engine-topline .eyebrow { margin: 0; }
  .engine-topline .demo-label { padding: 3px 6px; font-size: 0.75rem; }
  .engine h2 { margin: 17px 0; font-size: 1.625rem; }
  .engine textarea { min-height: 104px; padding: 11px; }
  .engine-actions .button { width: 100%; }
  .prompt-options { gap: 0 10px; margin-top: 10px; }
  .engine-status { padding-top: 12px; margin-top: 6px; }
  .hero-contract { gap: 10px 18px; font-size: 0.75rem; }
  .hero-contract span { padding-left: 9px; }
  .section { padding-block: 59px; }
  .section-intro { margin-bottom: 26px; }
  .section-intro h2, .brain-copy h2 { font-size: 2.125rem; }
  .split-intro { gap: 16px; }
  .split-intro > p { font-size: 1rem; }
  .situation-toolbar { align-items: stretch; flex-direction: column; gap: 12px; padding: 16px; }
  .situation-toolbar p { display: grid; gap: 3px; }
  .situation-search { width: 100%; }
  .situation-search input { font-size: 1rem; }
  .filter-rail { padding: 7px; }
  .filter-rail button { min-height: 44px; }
  .situation-stage { grid-template-columns: 1fr; }
  .situation-list-wrap { padding: 9px; }
  .situation-item { min-height: 78px; padding: 12px; }
  .situation-detail { border-left: 0; border-top: 1px solid var(--line-strong); padding: 24px 20px; scroll-margin-top: 84px; }
  .situation-detail:not(.is-open) { display: none; }
  .detail-close { display: inline-grid; }
  .situation-detail h3 { font-size: 1.6875rem; }
  .situation-detail dl div { padding: 15px 0; }
  .situation-detail .button { width: 100%; }
  .approach-bridge { grid-template-columns: 1fr; }
  .approach-bridge article { padding: 26px; }
  .approach-bridge article + article { border-left: 0; border-top: 1px solid var(--line); }
  .approach-bridge h3 { margin-top: 21px; font-size: 1.6875rem; }
  .approach-source ul { grid-template-columns: 1fr 1fr; gap: 9px 16px; }
  .demo-bar { padding: 15px; align-items: flex-start; }
  .demo-bar > span:first-child { max-width: 210px; }
  .state-tabs { grid-template-columns: 1fr 1fr; gap: 4px; padding: 7px; }
  .state-tabs button { min-height: 47px; gap: 9px; padding: 10px; font-size: 0.875rem; }
  .dossier-content { grid-template-columns: 1fr; gap: 24px; padding: 25px 20px; }
  .dossier-story h3 { font-size: 1.75rem; }
  .scenario-page-preview { width: min(100%, 420px); justify-self: center; }
  .scenario-page-preview > div { padding: 26px 23px; }
  .scenario-page-preview h4 { max-width: 260px; font-size: 1.875rem; }
  .dossier-next { align-items: flex-start; flex-direction: column; gap: 12px; }
  .brain-layout { grid-template-columns: 1fr; gap: 30px; }
  .brain-copy p { max-width: none; }
  .brain-copy .button { margin-top: 12px; }
  .brain-relation { padding-top: 18px; margin: 0; }
  .resume-card > header { padding: 22px; gap: 14px; }
  .trust-grid { grid-template-columns: 1fr; }
  .trust-grid article { display: grid; grid-template-columns: 28px minmax(0, 1fr); gap: 8px 14px; padding: 21px 0 !important; border-left: 0 !important; }
  .trust-grid article + article { border-top: 1px solid #586369; }
  .trust-grid article > span { grid-row: 1 / 3; padding-top: 4px; }
  .trust-grid h3 { margin: 0; font-size: 1.25rem; }
  .trust-grid p { grid-column: 2; }
  .closing { grid-template-columns: 1fr; gap: 28px; padding-block: 58px; }
  .closing h2 { font-size: 2.0625rem; }
  .closing-actions { justify-items: start; }
  .closing-actions .button { width: 100%; }
  .site-footer { flex-direction: column; align-items: flex-start; gap: 19px; padding: 27px 20px; }
  .site-footer nav { gap: 25px; }
  .about-main { padding-top: 79px; }
  .about-hero { padding: 27px 23px; gap: 32px; border-radius: 19px; }
  .about-hero h1 { font-size: 2.4375rem; }
  .about-hero-copy > p:not(.eyebrow) { margin-top: 21px; font-size: 1rem; }
  .name-card { display: block; padding: 25px; }
  .name-wordmark { margin-bottom: 28px; font-size: 2.9375rem; }
  .name-card .eyebrow { margin-bottom: 13px; }
  .name-card h2 { margin-bottom: 15px; font-size: 1.625rem; }
  .audience-note, .economy-note { grid-template-columns: 1fr; gap: 24px; padding-block: 48px; }
  .audience-note h2, .economy-note h2 { font-size: 1.875rem; }
  .knowhow-lines { grid-template-columns: 1fr; gap: 25px; }
  .knowhow-lines h3 { font-size: 1.5rem; }
  .principles-grid { grid-template-columns: 1fr; }
  .principles-grid article { padding: 25px; }
  .principles-grid article:nth-child(even) { border-left: 0; }
  .principles-grid article + article { border-top: 1px solid var(--line); }
  .principles-grid h3 { margin-top: 18px; }
  .horizon-list { grid-template-columns: 1fr; }
  .horizon-list li { padding: 25px 0 !important; border-left: 0 !important; }
  .horizon-list li + li { border-top: 1px solid #586369; }
  .horizon-list h3 { margin-top: 18px; font-size: 1.6875rem; }
}
@media (max-width: 360px) {
  :root { --content: calc(100% - 24px); }
  .hero-surface { padding-inline: 16px; }
  .engine { padding: 16px; }
  .engine-topline { flex-wrap: wrap; }
  .hero h1 { font-size: 2.125rem; }
  .prompt-options { gap: 0 9px; }
  .brand-caption { display: none; }
  .demo-bar { flex-wrap: wrap; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { scroll-behavior: auto !important; animation: none !important; transition: none !important; }
}

:root { --brand-ink: #625B92; }

/* Trame II · local prototype signature, no activity animation. */
.brand-lockup { display: inline-flex; align-items: center; gap: .5rem; white-space: nowrap; }
.brand-symbol { display: block; flex: 0 0 auto; width: 1.5rem; height: 1.5rem; color: var(--brand-ink); }

/* Text enlargement: navigation reflows before controls become clipped. */
html { scroll-padding-top: calc(var(--header-height, 76px) + 14px); }
.hero { padding-top: calc(var(--header-height, 76px) + 26px); }
.about-main { padding-top: calc(var(--header-height, 76px) + 28px); }
.site-header.large-type-compact .wordmark { flex-wrap: wrap; min-width: 0; max-width: calc(100% - 62px); row-gap: 4px; }
.site-header.large-type-compact .header-actions { display: none; }
.site-header.large-type-compact .menu-toggle { display: block; flex: 0 0 auto; margin-left: auto; }
.site-header.large-type-compact .site-nav { position: absolute; display: none; top: calc(100% + 5px); left: 20px; right: 20px; margin: 0; padding: 12px; border: 1px solid var(--line); border-radius: 12px; background: var(--paper-high); box-shadow: var(--shadow); max-height: calc(100dvh - var(--header-height, 76px) - 20px); overflow-y: auto; }
.site-header.large-type-compact .site-nav.open { display: grid; gap: 3px; }
.site-header.large-type-compact .site-nav a { padding: 8px 12px; overflow-wrap: anywhere; }
.site-header.large-type-compact .site-nav .mobile-workspace { display: flex; margin-top: 5px; border-top: 1px solid var(--line); }
@media (max-width: 900px) {
  .hero, .about-main { padding-top: calc(var(--header-height, 68px) + 17px); }
  .site-nav { max-height: calc(100dvh - var(--header-height, 68px) - 20px); overflow-y: auto; }
}
@media (max-width: 680px) {
  .hero, .about-main { padding-top: calc(var(--header-height, 64px) + 15px); }
}

/* Narrow, enlarged text must wrap inside grid tracks instead of widening the page. */
p, h1, h2, h3, h4, button { overflow-wrap: anywhere; }
button { min-width: 0; }
.split-intro > *, .about-hero > *, .paradox-grid > *, .horizon-grid > * { min-width: 0; }
@media (max-width: 680px) {
  .name-wordmark { font-size: min(2.9375rem, 15vw); }
}

/* Soft-chrome belongs to larger brand signatures, never to micro controls. */
.name-wordmark { display: flex; align-items: center; flex-wrap: wrap; gap: 12px; }
.name-wordmark img { display: block; flex: 0 0 auto; width: 48px; height: 48px; }
.name-wordmark > span { white-space: nowrap; }

.no-script-note { position: relative; z-index: 201; margin: 0; padding: 14px 22px; color: var(--ink); background: var(--paper-high); border-bottom: 1px solid var(--line); font-size: .875rem; }
.no-script-note a { text-decoration: underline; }

.about-hero-copy > .text-link { margin-top: 12px; }

.not-found { width: min(760px, calc(100% - 40px)); margin: clamp(48px, 14vh, 160px) auto; }
.not-found h1 { font-size: clamp(2rem, 5vw, 3rem); font-weight: 550; letter-spacing: -.04em; line-height: 1.12; }
.not-found > p { max-width: 620px; color: var(--muted); }
.error-code { color: var(--accent-deep); font-size: .875rem; font-variant-numeric: tabular-nums; }
.not-found nav { display: flex; gap: 12px; flex-wrap: wrap; margin: 28px 0; }