:root {
  --paper: #f5f0e6;
  --paper-light: #fbf8f1;
  --paper-deep: #ebe4d7;
  --ink: #171714;
  --ink-soft: #2a2a25;
  --muted: #66645d;
  --line: #d8d0c2;
  --accent: #355f55;
  --accent-dark: #24453e;
  --accent-pale: #dce7e2;
  --copper: #a36849;
  --white: #fffdfa;
  --shadow: 0 24px 70px rgba(39, 37, 31, 0.12);
  --shadow-soft: 0 14px 36px rgba(39, 37, 31, 0.08);
  --radius-lg: 28px;
  --radius-md: 18px;
  --radius-sm: 12px;
  --serif: Georgia, "Times New Roman", serif;
  --sans: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;t
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--paper); color: var(--ink); font-family: var(--sans); line-height: 1.6; }
a { color: inherit; text-decoration: none; }
button, input, textarea, select { font: inherit; }
button { color: inherit; }
img, svg { max-width: 100%; }
::selection { background: #cbdcd6; color: var(--ink); }

.skip-link { position: fixed; top: 10px; left: 10px; z-index: 1000; transform: translateY(-160%); background: var(--ink); color: white; padding: 10px 14px; border-radius: 8px; }
.skip-link:focus { transform: translateY(0); }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0; }

.container { width: min(1180px, calc(100% - 40px)); margin: 0 auto; }
.narrow { width: min(780px, 100%); }
.section { padding: 112px 0; }
.section--hero { padding-top: 74px; overflow: hidden; }
.section--ink { background: var(--ink); color: var(--paper-light); }
.section--sage { background: var(--accent-pale); }
.section--paper-deep { background: var(--paper-deep); }

h1, h2, h3, p { margin-top: 0; }
h1, h2 { font-family: var(--serif); font-weight: 500; letter-spacing: -0.035em; line-height: 1.05; }
h1 { font-size: clamp(3.4rem, 7vw, 6.75rem); }
h2 { font-size: clamp(2.3rem, 4.5vw, 4.35rem); }
h3 { font-size: 1.22rem; line-height: 1.28; }
p { color: var(--muted); }
.section--ink p { color: #c8c4ba; }
.eyebrow { margin-bottom: 18px; color: var(--accent); font-size: 0.72rem; font-weight: 800; letter-spacing: 0.14em; text-transform: uppercase; }
.section--ink .eyebrow, .closing-cta .eyebrow { color: #a9c5bc; }
.section-copy { max-width: 700px; font-size: 1.08rem; }
.section-header { margin-bottom: 48px; }
.section-header h2 { max-width: 850px; margin-bottom: 18px; }
.section-header--center { text-align: center; }
.section-header--center h2, .section-header--center .section-copy { margin-left: auto; margin-right: auto; }

.button { display: inline-flex; align-items: center; justify-content: center; min-height: 50px; padding: 0 22px; border: 1px solid var(--accent); border-radius: 999px; background: var(--accent); color: white; font-size: 0.94rem; font-weight: 750; cursor: pointer; transition: transform .2s ease, background .2s ease, border-color .2s ease; }
.button:hover { background: var(--accent-dark); border-color: var(--accent-dark); transform: translateY(-2px); }
.button:focus-visible, .nav-link:focus-visible, button:focus-visible, input:focus-visible, textarea:focus-visible, select:focus-visible, a:focus-visible { outline: 3px solid #b67c55; outline-offset: 3px; }
.button--small { min-height: 42px; padding: 0 17px; font-size: 0.84rem; }
.button--ghost { background: transparent; color: var(--ink); border-color: var(--line); }
.button--ghost:hover { background: var(--paper-light); border-color: var(--ink); }
.button--paper { background: var(--paper-light); color: var(--ink); border-color: var(--paper-light); }
.button--paper:hover { background: white; border-color: white; }
.button--ghost-light { background: transparent; color: white; border-color: rgba(255,255,255,.32); }
.button--ghost-light:hover { background: rgba(255,255,255,.08); border-color: rgba(255,255,255,.6); }
.text-link { color: var(--accent); font-weight: 750; display: inline-flex; gap: 7px; align-items: center; }
.section--ink .text-link { color: #b5d3c9; }
.text-link span { transition: transform .2s ease; }
.text-link:hover span { transform: translateX(4px); }

.site-header { position: sticky; top: 0; z-index: 100; background: rgba(245,240,230,.88); backdrop-filter: blur(18px); border-bottom: 1px solid rgba(216,208,194,.8); }
.header-inner { min-height: 74px; display: flex; align-items: center; justify-content: space-between; }
.brand { display: inline-flex; align-items: center; gap: 11px; font-family: var(--serif); font-size: 1.25rem; font-weight: 700; letter-spacing: -.02em; }
.brand-mark { width: 31px; height: 31px; position: relative; display: inline-block; }
.brand-mark i { position: absolute; width: 21px; height: 25px; border: 1.5px solid currentColor; border-radius: 4px; background: var(--paper); }
.brand-mark i:nth-child(1) { left: 0; top: 5px; opacity: .4; }
.brand-mark i:nth-child(2) { left: 5px; top: 2px; opacity: .65; }
.brand-mark i:nth-child(3) { left: 10px; top: 0; background: var(--accent); border-color: var(--accent); }
.nav { display: flex; align-items: center; gap: 24px; }
.nav-link { color: #46443e; font-size: .84rem; font-weight: 700; }
.nav-link:hover, .nav-link--active { color: var(--accent); }
.menu-button { display: none; border: 0; background: transparent; width: 44px; height: 44px; position: relative; cursor: pointer; }
.menu-button > span:not(.sr-only) { position: absolute; left: 11px; width: 22px; height: 1.5px; background: var(--ink); }
.menu-button > span:nth-child(2) { top: 17px; }
.menu-button > span:nth-child(3) { top: 25px; }

.hero-grid, .page-hero-grid { display: grid; grid-template-columns: minmax(0, .9fr) minmax(500px, 1.1fr); gap: 70px; align-items: center; }
.hero-copy { padding: 34px 0; }
.prototype-label { display: inline-flex; align-items: center; gap: 9px; margin-bottom: 28px; color: var(--accent); font-size: .78rem; font-weight: 800; letter-spacing: .08em; text-transform: uppercase; }
.prototype-label span { width: 8px; height: 8px; border-radius: 50%; background: var(--copper); box-shadow: 0 0 0 6px rgba(163,104,73,.12); }
.hero h1 { margin-bottom: 28px; }
.hero h1 em { display: block; color: var(--accent); font-style: italic; }
.hero-lead, .page-lead { max-width: 700px; font-size: 1.18rem; line-height: 1.7; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin: 32px 0 18px; }
.hero-footnote { font-family: var(--serif); font-style: italic; font-size: .95rem; }
.audience-strip { margin-top: 70px; padding: 20px 0 0; border-top: 1px solid var(--line); display: grid; grid-template-columns: repeat(6, 1fr); gap: 18px; }
.audience-strip span { color: #757168; font-size: 1rem; text-transform: uppercase; letter-spacing: .08em; font-weight: 750; justify-content: center;}

.reader-shell { border-radius: 30px; border: 1px solid var(--line); background: #e6dfd3; box-shadow: var(--shadow); padding: 13px; transform: rotate(1deg); }
.reader-topbar, .reader-footer { display: flex; align-items: center; justify-content: space-between; gap: 16px; color: #777269; font-size: .68rem; font-weight: 750; letter-spacing: .04em; text-transform: uppercase; }
.reader-topbar { padding: 6px 7px 14px; }
.reader-footer { padding: 12px 8px 2px; }
.reader-dots { display: flex; gap: 5px; }
.reader-dots span { width: 7px; height: 7px; border-radius: 50%; background: #a49d91; }
.reader-modes { display: flex; background: rgba(255,255,255,.4); padding: 3px; border-radius: 999px; }
.reader-modes button { border: 0; background: transparent; padding: 6px 10px; border-radius: 999px; color: #6b675f; font-size: .65rem; font-weight: 800; cursor: pointer; }
.reader-modes button.active { background: var(--paper-light); color: var(--ink); box-shadow: 0 3px 10px rgba(0,0,0,.08); }
.reader-page { min-height: 475px; position: relative; overflow: hidden; padding: 60px 56px; border-radius: 21px; background: var(--paper-light); box-shadow: inset 0 0 0 1px rgba(255,255,255,.7); }
.reader-page::before { content: ""; position: absolute; left: 28px; top: 36px; bottom: 36px; width: 1px; background: #e1d9ca; }
.reader-page h3 { max-width: 380px; font-family: var(--serif); font-size: 2.1rem; font-weight: 500; margin-bottom: 30px; }
.reader-page > p:not(.reader-kicker) { max-width: 430px; font-family: var(--serif); color: #34312c; font-size: 1.08rem; line-height: 1.85; }
.reader-kicker { color: var(--copper); font-size: .62rem; font-weight: 800; letter-spacing: .14em; text-transform: uppercase; }
.entity-link { display: inline; padding: 0 2px 2px; border: 0; border-bottom: 2px solid var(--accent); background: rgba(53,95,85,.08); font-family: inherit; color: inherit; cursor: pointer; }
.context-card { position: absolute; right: 22px; bottom: 22px; width: min(355px, calc(100% - 44px)); padding: 20px; border-radius: 16px; background: #fffdfa; border: 1px solid #d8d0c2; box-shadow: var(--shadow-soft); }
.context-card__top { display: flex; justify-content: space-between; gap: 12px; margin-bottom: 12px; color: var(--accent); font-size: .6rem; font-weight: 800; letter-spacing: .08em; text-transform: uppercase; }
.context-card strong { display: block; margin-bottom: 7px; font-family: var(--serif); font-size: 1.2rem; }
.context-card p { margin-bottom: 12px; font-size: .78rem; line-height: 1.55; }
.context-card a { color: var(--accent); font-size: .72rem; font-weight: 800; }
.context-tags { display: flex; flex-wrap: wrap; gap: 6px; }
.context-tags span { padding: 5px 8px; border-radius: 999px; background: var(--accent-pale); color: var(--accent-dark); font-size: .61rem; font-weight: 750; }
.reader-page--research { background-image: linear-gradient(rgba(53,95,85,.025) 1px, transparent 1px); background-size: 100% 29px; }

.split-intro { display: grid; grid-template-columns: 1.1fr .9fr; gap: 100px; align-items: start; }
.split-intro .section-header { margin-bottom: 0; }
.problem-copy p { font-size: 1.05rem; }
.problem-grid { margin-top: 60px; display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.problem-card { min-height: 230px; padding: 28px; border: 1px solid var(--line); border-radius: var(--radius-md); background: rgba(255,255,255,.24); }
.problem-card > span, .principle-card > span, .architecture-card > span, .research-modules article > span { color: var(--copper); font-size: 1rem; font-weight: 800; letter-spacing: .1em; }
.problem-card h2 { margin: 44px 0 12px; font-family: var(--copper); font-size: 1rem; }
.problem-card h3 { margin: 44px 0 12px; font-family: var(--serif); font-size: 1.35rem; }
.problem-card p { margin: 0; font-size: .88rem; }

.home-path-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.home-path-card { min-height: 250px; display: flex; flex-direction: column; padding: 30px; border: 1px solid #cdc3b4; border-radius: var(--radius-md); background: rgba(255,255,255,.3); }
.home-path-card h3 { font-family: var(--serif); font-size: 1.45rem; }
.home-path-card p { flex: 1; font-size: .88rem; }

.pillar-grid { display: grid; grid-template-columns: repeat(3, 1fr); border-top: 1px solid #3a3a34; border-left: 1px solid #3a3a34; }
.pillar-card { min-height: 370px; padding: 34px; border-right: 1px solid #3a3a34; border-bottom: 1px solid #3a3a34; }
.pillar-number { margin-bottom: 76px; color: #8e8b82; font-size: 1rem; letter-spacing: .1em; }
.pillar-card h3 { font-family: var(--serif); font-size: 1.75rem; font-weight: 500; }
.pillar-card p { font-size: .9rem; }
.mini-tags { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 24px; }
.mini-tags span { padding: 6px 9px; border: 1px solid #44443d; border-radius: 999px; color: #aaa69d; font-size: .75rem; }
.section-cta { margin-top: 38px; }

.examples-panel { border: 1px solid var(--line); border-radius: var(--radius-lg); overflow: hidden; background: var(--paper-light); box-shadow: var(--shadow-soft); }
.example-tabs { display: flex; gap: 5px; padding: 10px; border-bottom: 1px solid var(--line); background: #ece5d9; }
.example-tabs button { border: 0; background: transparent; padding: 10px 16px; border-radius: 999px; color: var(--muted); font-size: .78rem; font-weight: 800; cursor: pointer; }
.example-tabs button.active { background: var(--paper-light); color: var(--ink); box-shadow: 0 4px 14px rgba(38,35,30,.08); }
.example-stage { min-height: 480px; display: grid; grid-template-columns: 1.1fr .9fr; }
.example-page { padding: 76px 70px; border-right: 1px solid var(--line); background: var(--paper-light); }
.page-number { color: var(--muted); font-size: .65rem; font-weight: 800; letter-spacing: .12em; text-transform: uppercase; }
.example-page blockquote { max-width: 620px; margin: 86px 0 40px; font-family: var(--serif); font-size: clamp(1.8rem, 3.1vw, 3rem); line-height: 1.35; }
.example-page mark { background: linear-gradient(transparent 58%, rgba(53,95,85,.23) 58%); color: inherit; }
.reading-line { height: 1px; width: 68%; background: var(--line); }
.muted-copy { max-width: 500px; margin-top: 20px; font-size: .84rem; }
.example-card { display: flex; flex-direction: column; justify-content: center; padding: 56px; background: #e4ece8; }
.example-stage--atmosphere .example-card { background: #ddd9d2; }
.example-card h3 { margin-bottom: 18px; font-family: var(--serif); font-size: 1.65rem; }
.example-card > p { color: #4e514c; }
.example-meta { margin-bottom: 14px; color: var(--accent); font-size: .65rem; font-weight: 850; letter-spacing: .1em; text-transform: uppercase; }
.example-note { margin-top: 30px; padding-top: 18px; border-top: 1px solid rgba(53,95,85,.22); display: flex; gap: 12px; color: #4c5d57; font-size: .78rem; }

.process-layout { display: grid; grid-template-columns: .8fr 1.2fr; gap: 100px; align-items: start; }
.process-diagram { margin: 0; padding: 0; list-style: none; }
.process-diagram li { position: relative; display: grid; grid-template-columns: 58px 1fr; gap: 24px; padding: 0 0 42px; }
.process-diagram li:not(:last-child)::after { content: ""; position: absolute; left: 24px; top: 44px; bottom: 8px; width: 1px; background: #aebfb8; }
.process-number { width: 48px; height: 48px; border-radius: 50%; display: grid; place-items: center; background: var(--paper-light); color: var(--accent); font-size: .68rem; font-weight: 850; box-shadow: 0 7px 20px rgba(53,95,85,.1); }
.process-diagram h3 { margin: 3px 0 6px; font-family: var(--serif); font-size: 1.35rem; }
.process-diagram p { margin: 0; }

.use-case-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.use-case-card { min-height: 300px; padding: 30px; border: 1px solid var(--line); border-radius: var(--radius-md); background: rgba(255,255,255,.28); transition: transform .2s ease, box-shadow .2s ease; }
.use-case-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-soft); }
.use-case-card h3 { font-family: var(--serif); font-size: 1.45rem; }
.use-case-card p { font-size: .9rem; }
.use-case-card ul, .feature-detail ul, .profile-list, .large-list, .privacy-content ul { margin: 24px 0 0; padding: 0; list-style: none; }
.use-case-card li, .feature-detail li, .profile-list li, .large-list li, .privacy-content li { position: relative; padding: 7px 0 7px 18px; color: #5c5952; font-size: .82rem; }
.use-case-card li::before, .feature-detail li::before, .profile-list li::before, .large-list li::before, .privacy-content li::before { content: ""; position: absolute; left: 0; top: 15px; width: 6px; height: 6px; border-radius: 50%; background: var(--accent); }

.team-section { background: #f0eadf; }
.split-intro--team { align-items: end; }
.team-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; }
.team-card { display: grid; grid-template-columns: 160px 1fr; min-height: 350px; border: 1px solid var(--line); border-radius: var(--radius-md); overflow: hidden; background: var(--paper-light); }
.team-avatar { min-height: 100%; display: grid; place-items: center; background: linear-gradient(145deg, #d9e6e1, #c9d5d0); position: relative; overflow: hidden; }
.team-avatar::before, .team-avatar::after { content: ""; position: absolute; border: 1px solid rgba(53,95,85,.18); border-radius: 50%; }
.team-avatar::before { width: 180px; height: 180px; left: -80px; top: -45px; }
.team-avatar::after { width: 110px; height: 110px; right: -50px; bottom: -25px; }
.team-avatar span { font-family: var(--serif); font-size: 2.2rem; color: var(--accent-dark); }
.team-card__body { padding: 28px; }
.team-role { margin-bottom: 9px; color: var(--accent); font-size: .66rem; font-weight: 850; letter-spacing: .09em; text-transform: uppercase; }
.team-card h3 { margin-bottom: 13px; font-family: var(--serif); font-size: 1.55rem; }
.team-card__body > p:not(.team-role) { font-size: .86rem; }
.tag-list { display: flex; flex-wrap: wrap; gap: 7px; margin: 20px 0; }
.tag-list span { padding: 6px 9px; border-radius: 999px; background: var(--accent-pale); color: var(--accent-dark); font-size: .63rem; font-weight: 750; }

.expertise-controls { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 28px; }
.expertise-controls button { border: 1px solid #cec5b7; border-radius: 999px; background: transparent; padding: 9px 14px; color: var(--muted); font-size: .72rem; font-weight: 800; cursor: pointer; }
.expertise-controls button.active { background: var(--ink); border-color: var(--ink); color: white; }
.expertise-map { display: grid; grid-template-columns: 260px 1fr; gap: 20px; align-items: stretch; }
.expertise-core { display: flex; flex-direction: column; justify-content: center; align-items: center; min-height: 310px; border-radius: var(--radius-lg); background: var(--accent); color: white; text-align: center; }
.expertise-core span { font-family: var(--serif); font-size: 2rem; }
.expertise-core small { margin-top: 7px; color: #cfe0db; }
.expertise-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; }
.expertise-node { min-height: 96px; display: grid; place-items: center; padding: 18px; border: 1px solid #cdc3b4; border-radius: 14px; color: #8d887e; text-align: center; font-size: .78rem; font-weight: 750; transition: background .2s ease, color .2s ease, transform .2s ease; }
.expertise-node.active { background: var(--paper-light); color: var(--ink); border-color: var(--accent); transform: translateY(-2px); box-shadow: 0 9px 22px rgba(52,95,85,.08); }
.matrix-note { margin: 18px 0 0; font-size: .76rem; }

.principles-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.principle-card { min-height: 260px; padding: 30px; border: 1px solid var(--line); border-radius: var(--radius-md); }
.principle-card h3 { margin: 48px 0 12px; font-family: var(--serif); font-size: 1.4rem; }
.principle-card p { margin: 0; font-size: .88rem; }
.trust-section { background: var(--accent); color: white; }
.trust-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 100px; }
.trust-grid h2 { color: white; }
.trust-copy p { color: #dbe7e3; font-size: 1.08rem; }
.trust-copy .text-link { color: white; }
.closing-cta { background: var(--ink); color: white; }
.closing-cta__inner { max-width: 860px; text-align: center; }
.closing-cta h2 { color: white; }
.closing-cta p { color: #c9c5bc; font-size: 1.05rem; }
.closing-cta .hero-actions { justify-content: center; }

.site-footer { padding: 76px 0 26px; background: #0f0f0d; color: white; }
.footer-grid { display: grid; grid-template-columns: 1fr 1.2fr; gap: 80px; }
.brand--footer .brand-mark i { background: #0f0f0d; }
.brand--footer .brand-mark i:nth-child(3) { background: #8fb0a6; border-color: #8fb0a6; }
.footer-mission { max-width: 390px; margin: 22px 0; color: #aaa69d; }
.status-chip { display: inline-flex; padding: 7px 10px; border: 1px solid #3e3e38; border-radius: 999px; color: #bcb8af; font-size: .65rem; text-transform: uppercase; letter-spacing: .08em; }
.footer-links { display: grid; grid-template-columns: repeat(3, 1fr); gap: 30px; }
.footer-links h3 { margin-bottom: 16px; color: #7f7c74; font-size: .66rem; text-transform: uppercase; letter-spacing: .1em; }
.footer-links a { display: block; margin: 9px 0; color: #d2cec4; font-size: .82rem; }
.footer-links a:hover { color: white; }
.footer-bottom { margin-top: 60px; padding-top: 22px; border-top: 1px solid #2d2d28; display: flex; justify-content: space-between; gap: 30px; }
.footer-bottom p { margin: 0; color: #747169; font-size: .68rem; }

.page-hero { padding: 105px 0 95px; border-bottom: 1px solid var(--line); }
.page-hero--plain { min-height: 500px; display: flex; align-items: center; }
.page-hero--plain .narrow { margin: 0 auto; text-align: center; }
.page-hero h1 { margin-bottom: 25px; font-size: clamp(3.4rem, 6vw, 5.7rem); }
.page-hero--product { background: linear-gradient(130deg, var(--paper) 60%, #e2ebe7 100%); }
.page-hero--team { background: linear-gradient(145deg, #ece5d9 60%, #dae6e1 100%); }
.page-hero--research { background: var(--ink); color: white; }
.page-hero--research .eyebrow { color: #a9c5bc; }
.page-hero--research .page-lead { color: #c7c2b8; }
.page-hero--contact { background: #e2ebe7; }
.page-hero--privacy { background: #ece6dc; }
.version-note { display: inline-block; margin-top: 18px; padding: 7px 10px; border: 1px solid var(--line); border-radius: 999px; font-size: .68rem; }

.feature-detail-list { border-top: 1px solid var(--line); }
.feature-detail { display: grid; grid-template-columns: 80px 1fr .7fr 260px; gap: 30px; align-items: center; min-height: 300px; padding: 38px 0; border-bottom: 1px solid var(--line); }
.feature-detail__number { color: var(--copper); font-size: .72rem; font-weight: 800; letter-spacing: .1em; }
.feature-detail h2 { margin-bottom: 12px; font-size: 2.25rem; }
.feature-detail p { margin: 0; }
.feature-detail ul { margin: 0; }
.feature-visual { position: relative; height: 190px; border-radius: 16px; background: #e2e9e5; overflow: hidden; }
.feature-visual span { position: absolute; left: 28px; right: 28px; height: 8px; border-radius: 999px; background: rgba(53,95,85,.18); }
.feature-visual span:nth-child(1) { top: 38px; right: 75px; }
.feature-visual span:nth-child(2) { top: 63px; }
.feature-visual span:nth-child(3) { top: 88px; right: 48px; }
.feature-visual i { position: absolute; right: 24px; bottom: 20px; width: 120px; height: 64px; border: 1px solid rgba(53,95,85,.25); border-radius: 12px; background: var(--paper-light); box-shadow: 0 8px 25px rgba(53,95,85,.1); }
.feature-visual--2 { background: #e8e1d5; }
.feature-visual--3 { background: #e5e6dd; }
.feature-visual--4 { background: linear-gradient(145deg,#e3e5e3,#cdd7d2); }
.feature-visual--5 { background-image: linear-gradient(rgba(53,95,85,.08) 1px,transparent 1px); background-size: 100% 24px; }
.feature-visual--6 { background: #ded9cf; }
.compare-grid { display: grid; grid-template-columns: .65fr 1.35fr; gap: 70px; align-items: start; }
.compare-copy { position: sticky; top: 110px; }
.comparison-table { border-top: 1px solid var(--line); }
.comparison-row { display: grid; grid-template-columns: .8fr 1fr 1fr; border-bottom: 1px solid var(--line); }
.comparison-row span { padding: 20px 14px; color: var(--muted); font-size: .8rem; }
.comparison-row span:first-child { color: var(--ink); font-weight: 750; }
.comparison-row--head span { color: var(--accent); font-size: .68rem; font-weight: 850; text-transform: uppercase; letter-spacing: .08em; }
.compact-cta__inner { display: flex; align-items: center; justify-content: space-between; gap: 60px; }
.compact-cta__inner > div { max-width: 720px; }
.compact-cta__inner h2 { font-size: 3rem; }

.process-page-grid { display: grid; grid-template-columns: .8fr 1.2fr; gap: 100px; }
.architecture-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.architecture-card { min-height: 250px; padding: 28px; border: 1px solid rgba(53,95,85,.18); border-radius: var(--radius-md); background: rgba(255,255,255,.28); }
.architecture-card h3 { margin: 42px 0 12px; font-family: var(--serif); font-size: 1.4rem; }
.architecture-card p { margin: 0; font-size: .87rem; }
.evidence-layout { display: grid; grid-template-columns: 1fr 1fr; gap: 80px; }
.confidence-demo { margin-top: 28px; border-top: 1px solid var(--line); }
.confidence-demo > div { display: grid; grid-template-columns: 16px 100px 1fr; gap: 12px; align-items: center; padding: 16px 0; border-bottom: 1px solid var(--line); }
.confidence-demo strong { font-size: .78rem; }
.confidence-demo small { color: var(--muted); }
.confidence-dot { width: 9px; height: 9px; border-radius: 50%; }
.confidence-dot--high { background: #35695b; }
.confidence-dot--mid { background: #b1784f; }
.confidence-dot--low { background: #a8a49b; }

.use-case-detail-list { border-top: 1px solid var(--line); }
.use-case-detail { display: grid; grid-template-columns: 80px 1.2fr .8fr; gap: 34px; padding: 45px 0; border-bottom: 1px solid var(--line); }
.use-case-index { color: var(--copper); font-size: .72rem; font-weight: 800; }
.use-case-detail h2 { font-size: 2.2rem; }
.use-case-detail ul { margin: 0; padding: 0; list-style: none; display: grid; grid-template-columns: repeat(2, 1fr); gap: 8px; }
.use-case-detail li { padding: 10px 12px; border: 1px solid var(--line); border-radius: 10px; color: var(--muted); font-size: .76rem; }
.institutional-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; }
.institutional-grid .section-header { grid-column: 1 / -1; }
.institutional-grid article { padding: 30px; border: 1px solid #cfc6b8; border-radius: var(--radius-md); background: rgba(255,255,255,.28); }
.institutional-grid article h3 { font-family: var(--serif); font-size: 1.5rem; }
.caution-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 80px; padding: 45px; border: 1px solid var(--line); border-radius: var(--radius-lg); }

.team-constellation { position: relative; min-height: 420px; border-radius: 50%; border: 1px solid rgba(53,95,85,.18); display: grid; place-items: center; }
.team-constellation::before { content: ""; position: absolute; inset: 17%; border: 1px solid rgba(53,95,85,.18); border-radius: 50%; }
.team-constellation strong { width: 180px; height: 100px; border-radius: 50%; display: grid; place-items: center; background: var(--accent); color: white; font-family: var(--serif); font-size: 1.5rem}
.team-constellation > span { position: absolute; width: 150px; height: 62px; border-radius: 20px; display: grid; place-items: center; background: var(--paper-light); border: 1px solid var(--line); color: 
var(--accent); font-family: var(--serif); box-shadow: var(--shadow-soft); font-weight: bold; }
.team-constellation > span:nth-child(1) { top: 4%; left: 45%; }
.team-constellation > span:nth-child(2) { top: 27%; right: 5%; }
.team-constellation > span:nth-child(3) { bottom: 8%; right: 18%; }
.team-constellation > span:nth-child(4) { bottom: 8%; left: 18%; }
.team-constellation > span:nth-child(5) { top: 27%; left: 5%; }
.team-grid--page .team-card:last-child { grid-column: 1 / -1; }
.credibility-grid { display: grid; grid-template-columns: .7fr 1.3fr; gap: 80px; align-items: start; }
.domain-cloud { display: flex; flex-wrap: wrap; gap: 10px; }
.domain-cloud span { padding: 12px 15px; border: 1px solid var(--line); border-radius: 999px; background: rgba(255,255,255,.25); font-size: .78rem; }
.affiliation-note { margin-top: 40px; font-size: .74rem; }

.profile-hero { padding: 90px 0; background: linear-gradient(145deg,#ece5d8,#dce8e3); }
.profile-hero-grid { display: grid; grid-template-columns: 280px 1fr; gap: 70px; align-items: center; }
.profile-avatar { width: 280px; height: 330px; border-radius: 24px; display: grid; place-items: center; background: var(--accent); color: white; font-family: var(--serif); font-size: 4.3rem; box-shadow: var(--shadow); }
.back-link { display: inline-block; margin-bottom: 28px; color: var(--muted); font-size: .78rem; font-weight: 750; }
.profile-hero h1 { font-size: clamp(3.2rem, 6vw, 5.5rem); }
.profile-links { margin-top: 22px; }
.profile-links a { color: var(--accent); font-weight: 800; }
.profile-layout { display: grid; grid-template-columns: 1.25fr .75fr; gap: 90px; }
.profile-main h2 { margin: 50px 0 20px; font-size: 2.4rem; }
.profile-main h2:first-child { margin-top: 0; }
.profile-main p { font-size: 1.02rem; }
.profile-sidebar { display: flex; flex-direction: column; gap: 22px; }
.profile-sidebar > div { padding: 26px; border: 1px solid var(--line); border-radius: var(--radius-md); }
.profile-sidebar h3 { font-family: var(--serif); }
.profile-sidebar ul { margin: 0; padding-left: 18px; }
.profile-sidebar li { margin: 8px 0; color: var(--muted); font-size: .8rem; }
.profile-columns { display: grid; grid-template-columns: 1fr 1fr; gap: 80px; }
.large-list li { padding-top: 13px; padding-bottom: 13px; border-bottom: 1px solid #d1c8ba; font-size: .9rem; }
.profile-privacy { padding: 34px 0; }
.profile-privacy p { margin: 0; font-size: .72rem; }

.research-rules { margin: 0; padding: 0; list-style: none; border-top: 1px solid var(--line); }
.research-rules li { display: grid; grid-template-columns: 80px 1fr; gap: 30px; padding: 23px 0; border-bottom: 1px solid var(--line); }
.research-rules span { color: var(--copper); font-size: .7rem; font-weight: 800; }
.research-rules p { margin: 0; color: var(--ink); font-family: var(--serif); font-size: 1.35rem; }
.research-modules { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1px; background: #383833; border: 1px solid #383833; }
.research-modules .section-header { grid-column: 1 / -1; padding: 20px 0 35px; background: var(--ink); }
.research-modules article { min-height: 290px; padding: 34px; background: var(--ink); }
.research-modules article h3 { margin: 46px 0 12px; font-family: var(--serif); font-size: 1.6rem; }
.research-agenda { display: grid; grid-template-columns: .7fr 1.3fr; gap: 90px; }
.research-agenda ul { margin: 0; padding: 0; list-style: none; }
.research-agenda li { padding: 18px 0; border-bottom: 1px solid rgba(53,95,85,.18); color: #3e4945; font-family: var(--serif); font-size: 1.15rem; }

.roadmap-switcher { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 28px; }
.roadmap-switcher button { border: 1px solid var(--line); border-radius: 999px; background: transparent; padding: 10px 15px; color: var(--muted); font-size: .75rem; font-weight: 800; cursor: pointer; }
.roadmap-switcher button.active { background: var(--accent); border-color: var(--accent); color: white; }
.roadmap-list { border-top: 1px solid var(--line); }
.roadmap-item { display: flex; justify-content: space-between; gap: 45px; align-items: center; padding: 21px 0; border-bottom: 1px solid var(--line); }
.roadmap-item > div { display: flex; align-items: center; gap: 14px; }
.roadmap-dot { width: 9px; height: 9px; border-radius: 50%; background: var(--accent); }
.status-label { padding: 7px 10px; border-radius: 999px; font-size: .64rem; font-weight: 850; }
.status-label--available { background: #dcebe5; color: #285447; }
.status-label--development { background: #eee1d3; color: #7b5037; }
.status-label--research { background: #e4e2ea; color: #555066; }
.status-label--planned { background: #e8e6e0; color: #6f6b63; }
.status-explainer { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.status-explainer article { padding: 26px; border: 1px solid #cdc4b6; border-radius: var(--radius-md); background: rgba(255,255,255,.3); }
.status-explainer h3 { font-family: var(--serif); font-size: 1.25rem; }
.status-explainer p { font-size: .82rem; }

.contact-paths { display: grid; grid-template-columns: repeat(2, 1fr); gap: 10px; }
.contact-paths span { padding: 15px 17px; border: 1px solid rgba(53,95,85,.2); border-radius: 12px; background: rgba(255,255,255,.35); font-size: .78rem; font-weight: 750; }
.contact-grid { display: grid; grid-template-columns: .75fr 1.25fr; gap: 90px; align-items: start; }
.contact-note { margin-top: 34px; padding: 20px; border-radius: 14px; background: var(--paper-deep); }
.contact-note strong { font-family: var(--serif); }
.contact-note p { margin: 7px 0 0; font-size: .8rem; }
.contact-note ul { margin: 14px 0; padding-left: 18px; }
.contact-note li { margin: 7px 0; color: #545049; font-size: .78rem; }
.contact-form { padding: 34px; border: 1px solid var(--line); border-radius: var(--radius-lg); background: var(--paper-light); box-shadow: var(--shadow-soft); }
.form-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; }
.contact-form label { display: flex; flex-direction: column; gap: 7px; margin-bottom: 18px; color: #403e39; font-size: .74rem; font-weight: 800; }
.contact-form input, .contact-form textarea, .contact-form select { width: 100%; border: 1px solid #cfc7ba; border-radius: 10px; background: white; padding: 12px 13px; color: var(--ink); }
.contact-form textarea { resize: vertical; }
.checkbox-row { flex-direction: row !important; align-items: flex-start; font-weight: 600 !important; }
.checkbox-row input { width: 18px; margin-top: 3px; }
.form-honeypot { position: absolute !important; left: -10000px !important; width: 1px; height: 1px; overflow: hidden; }
.form-status { visibility: hidden; margin: 18px 0 0; padding: 12px 14px; border-radius: 10px; background: var(--accent-pale); color: var(--accent-dark); font-size: .75rem; }
.form-status--visible { visibility: visible; }
.form-status--success { background: #dcebe5; color: #285447; }
.form-status--error { background: #f0dfda; color: #7b372f; }

.privacy-layout { display: grid; grid-template-columns: 230px 1fr; gap: 80px; align-items: start; }
.privacy-nav { position: sticky; top: 110px; display: flex; flex-direction: column; border-left: 1px solid var(--line); }
.privacy-nav a { padding: 8px 0 8px 18px; color: var(--muted); font-size: .78rem; }
.privacy-nav a:hover { color: var(--accent); }
.privacy-content { max-width: 760px; }
.privacy-content section { padding: 0 0 48px; margin-bottom: 48px; border-bottom: 1px solid var(--line); scroll-margin-top: 110px; }
.privacy-content h2 { font-size: 2.1rem; }
.privacy-content p { font-size: .96rem; }

@media (max-width: 1080px) {
  .nav { gap: 16px; }
  .nav-link { font-size: .76rem; }
  .hero-grid, .page-hero-grid { grid-template-columns: 1fr; }
  .hero-grid { gap: 35px; }
  .hero-copy { max-width: 780px; }
  .reader-shell { max-width: 760px; transform: none; }
  .problem-grid { grid-template-columns: repeat(2, 1fr); }
  .home-path-grid { grid-template-columns: repeat(2, 1fr); }
  .pillar-grid { grid-template-columns: repeat(2, 1fr); }
  .process-layout, .process-page-grid { grid-template-columns: 1fr; gap: 40px; }
  .team-grid { grid-template-columns: 1fr; }
  .team-grid--page .team-card:last-child { grid-column: auto; }
  .feature-detail { grid-template-columns: 60px 1fr .7fr; }
  .feature-visual { grid-column: 2 / -1; }
  .status-explainer { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 860px) {
  .section { padding: 82px 0; }
  .menu-button { display: block; }
  .nav { position: absolute; left: 20px; right: 20px; top: 66px; display: none; flex-direction: column; align-items: stretch; gap: 0; padding: 12px; border: 1px solid var(--line); border-radius: 16px; background: var(--paper-light); box-shadow: var(--shadow); }
  .nav--open { display: flex; }
  .nav-link { padding: 12px; font-size: .86rem; }
  .nav .button { margin-top: 8px; }
  .audience-strip { grid-template-columns: repeat(3, 1fr); }
  .split-intro, .trust-grid, .evidence-layout, .caution-grid, .credibility-grid, .research-agenda, .contact-grid { grid-template-columns: 1fr; gap: 35px; }
  .pillar-grid, .use-case-grid, .principles-grid, .architecture-grid { grid-template-columns: repeat(2, 1fr); }
  .example-stage { grid-template-columns: 1fr; }
  .example-page { border-right: 0; border-bottom: 1px solid var(--line); }
  .expertise-map { grid-template-columns: 1fr; }
  .expertise-core { min-height: 160px; }
  .compare-grid { grid-template-columns: 1fr; }
  .compare-copy { position: static; }
  .compact-cta__inner { align-items: flex-start; flex-direction: column; }
  .use-case-detail { grid-template-columns: 55px 1fr; }
  .use-case-detail ul { grid-column: 2; }
  .institutional-grid { grid-template-columns: 1fr; }
  .team-constellation { min-height: 360px; }
  .profile-hero-grid { grid-template-columns: 200px 1fr; gap: 40px; }
  .profile-avatar { width: 200px; height: 250px; }
  .profile-layout, .profile-columns { grid-template-columns: 1fr; gap: 40px; }
  .research-modules { grid-template-columns: 1fr; }
  .status-explainer { grid-template-columns: repeat(2, 1fr); }
  .privacy-layout { grid-template-columns: 1fr; }
  .privacy-nav { position: static; display: grid; grid-template-columns: repeat(2, 1fr); border-left: 0; border-top: 1px solid var(--line); padding-top: 12px; }
  .privacy-nav a { padding-left: 0; }
  .footer-grid { grid-template-columns: 1fr; }
}

@media (max-width: 620px) {
  .container { width: min(100% - 26px, 1180px); }
  .section { padding: 65px 0; }
  h1 { font-size: 3rem; }
  h2 { font-size: 2.35rem; }
  .page-hero { padding: 72px 0; }
  .section--hero { padding-top: 42px; }
  .hero-lead, .page-lead { font-size: 1rem; }
  .audience-strip { grid-template-columns: repeat(2, 1fr); }
  .reader-page { min-height: 500px; padding: 48px 30px 210px 42px; }
  .reader-page::before { left: 20px; }
  .reader-page h3 { font-size: 1.65rem; }
  .context-card { right: 14px; bottom: 14px; width: calc(100% - 28px); }
  .context-card__top { flex-direction: column; gap: 3px; }
  .problem-grid, .home-path-grid, .pillar-grid, .use-case-grid, .principles-grid, .architecture-grid, .expertise-grid, .status-explainer { grid-template-columns: 1fr; }
  .pillar-card { min-height: 320px; }
  .pillar-number { margin-bottom: 48px; }
  .example-page { padding: 48px 28px; }
  .example-page blockquote { margin: 56px 0 30px; font-size: 1.8rem; }
  .example-card { padding: 36px 28px; }
  .team-card { grid-template-columns: 1fr; }
  .team-avatar { min-height: 170px; }
  .expertise-grid { grid-template-columns: repeat(2, 1fr); }
  .feature-detail { grid-template-columns: 40px 1fr; }
  .feature-detail ul, .feature-visual { grid-column: 2; }
  .comparison-row { grid-template-columns: 1fr; padding: 14px 0; }
  .comparison-row span { padding: 5px 0; }
  .comparison-row span::before { display: inline-block; min-width: 115px; margin-right: 10px; color: var(--accent); font-size: .62rem; text-transform: uppercase; }
  .comparison-row:not(.comparison-row--head) span:nth-child(1)::before { content: "Task"; }
  .comparison-row:not(.comparison-row--head) span:nth-child(2)::before { content: "Conventional"; }
  .comparison-row:not(.comparison-row--head) span:nth-child(3)::before { content: "LivinPage"; }
  .comparison-row--head { display: none; }
  .use-case-detail { grid-template-columns: 1fr; }
  .use-case-index, .use-case-detail ul { grid-column: 1; }
  .team-constellation { min-height: 300px; }
  .team-constellation strong { width: 105px; height: 105px; font-size: .9rem; }
  .team-constellation > span { width: 50px; height: 50px; }
  .profile-hero-grid { grid-template-columns: 1fr; }
  .profile-avatar { width: 150px; height: 180px; }
  .research-rules li { grid-template-columns: 45px 1fr; gap: 15px; }
  .research-rules p { font-size: 1.05rem; }
  .roadmap-item { align-items: flex-start; flex-direction: column; }
  .contact-paths, .form-grid { grid-template-columns: 1fr; }
  .contact-form { padding: 24px; }
  .privacy-nav { grid-template-columns: 1fr; }
  .footer-links { grid-template-columns: repeat(2, 1fr); }
  .footer-bottom { flex-direction: column; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; transition-duration: .001ms !important; animation-duration: .001ms !important; animation-iteration-count: 1 !important; }
}

/* Standalone application shell */
#app:focus { outline: none; }
[hidden] { display: none !important; }
.reader-content { display: contents; }
.example-stage-wrap { display: contents; }
.roadmap-list-wrap { display: contents; }
.noscript-note { margin: 0; padding: 18px; background: #8a342b; color: white; text-align: center; font-weight: 700; }
.privacy-nav a { cursor: pointer; }