:root {
  --ink: #10231f;
  --muted: #5b6965;
  --paper: #fbfaf6;
  --white: #ffffff;
  --mint: #d8f3e9;
  --mint-strong: #95d7c2;
  --coral: #e2684a;
  --sand: #f4e5cc;
  --line: #dce4df;
  --radius: 24px;
  --shadow: 0 24px 70px rgba(16, 35, 31, .09);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; color: var(--ink); background: var(--paper); font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; line-height: 1.6; }
body::before { content: ""; position: fixed; inset: 0; pointer-events: none; opacity: .22; background-image: radial-gradient(rgba(16,35,31,.22) .6px, transparent .6px); background-size: 16px 16px; z-index: -1; }
a { color: inherit; }
button, input, textarea { font: inherit; }
svg { display: block; width: 100%; height: auto; }
.container { width: min(1160px, calc(100% - 40px)); margin-inline: auto; }
.section { padding: 104px 0; scroll-margin-top: 86px; }
.skip-link { position: fixed; top: 10px; left: 10px; transform: translateY(-160%); padding: 10px 16px; border-radius: 10px; background: var(--ink); color: #fff; z-index: 1000; }
.skip-link:focus { transform: none; }
.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; }

.site-header { position: sticky; top: 0; z-index: 100; border-bottom: 1px solid rgba(16,35,31,.08); background: rgba(251,250,246,.9); backdrop-filter: blur(18px); }
.nav-wrap { min-height: 76px; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.brand { display: inline-flex; align-items: center; gap: 11px; text-decoration: none; font-weight: 780; letter-spacing: -.02em; }
.brand-mark { width: 38px; height: 38px; display: grid; place-items: center; border-radius: 12px; background: var(--ink); color: var(--mint); font-size: 13px; letter-spacing: .04em; }
.main-nav { display: flex; align-items: center; gap: 27px; font-size: 14px; font-weight: 650; }
.main-nav a { text-decoration: none; }
.main-nav a:hover { color: var(--coral); }
.nav-cta { padding: 9px 16px; border: 1px solid var(--ink); border-radius: 999px; }
.menu-button { display: none; border: 0; background: none; padding: 8px; }
.menu-button > span:not(.sr-only) { display: block; width: 24px; height: 2px; margin: 5px 0; background: var(--ink); }

.hero { padding-top: 80px; min-height: 760px; display: grid; align-items: center; overflow: hidden; }
.hero-grid { display: grid; grid-template-columns: 1.02fr .98fr; align-items: center; gap: 58px; }
.eyebrow { margin: 0 0 16px; color: var(--coral); font-size: 13px; font-weight: 800; letter-spacing: .13em; text-transform: uppercase; }
h1, h2, h3 { margin-top: 0; line-height: 1.12; letter-spacing: -.035em; }
h1 { max-width: 760px; margin-bottom: 28px; font-size: clamp(48px, 6.4vw, 82px); }
h2 { margin-bottom: 22px; font-size: clamp(38px, 4.4vw, 58px); }
h3 { margin-bottom: 12px; font-size: 21px; }
p { margin-top: 0; }
.hero-lead { max-width: 670px; color: var(--muted); font-size: 20px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin: 34px 0 20px; }
.button { display: inline-flex; min-height: 52px; align-items: center; justify-content: center; padding: 12px 22px; border: 1px solid transparent; border-radius: 999px; text-decoration: none; font-weight: 760; cursor: pointer; transition: transform .2s ease, box-shadow .2s ease, background .2s ease; }
.button:hover { transform: translateY(-2px); }
.button-primary { background: var(--coral); color: #fff; box-shadow: 0 12px 30px rgba(226,104,74,.25); }
.button-secondary { border-color: var(--ink); background: transparent; color: var(--ink); }
.button-light { background: var(--mint); color: var(--ink); white-space: nowrap; }
.hero-note { color: var(--muted); font-size: 13px; }
.hero-visual { max-width: 620px; }

.section-heading { max-width: 760px; margin-bottom: 48px; }
.section-heading > p:last-child { color: var(--muted); font-size: 18px; }
.problem-signal { background: #d8f3e9; }
.signal-panel { display: grid; grid-template-columns: .92fr 1.08fr; border: 1px solid rgba(16,35,31,.28); background: #10231f; color: #fff; box-shadow: 18px 18px 0 rgba(16,35,31,.12); }
.problem-lead { padding: 58px 56px 52px; }
.problem-lead .eyebrow { color: #78cdb2; }
.problem-lead h2 { max-width: 600px; margin-bottom: 28px; font-size: clamp(43px, 4.8vw, 68px); }
.problem-lead > p:not(.eyebrow) { max-width: 560px; margin: 0; color: #b8c5c0; font-size: 18px; }
.signal-trace { grid-column: 1; display: flex; height: 120px; align-items: center; justify-content: center; gap: 14px; margin: 0 56px; border-top: 1px solid rgba(255,255,255,.14); border-bottom: 1px solid rgba(255,255,255,.14); }
.signal-trace span { flex: 1; height: 1px; background: rgba(216,243,233,.24); }
.signal-trace i { width: 3px; height: 20px; background: var(--coral); }
.signal-trace i:nth-of-type(2), .signal-trace i:nth-of-type(4) { height: 50px; }
.signal-trace i:nth-of-type(3) { height: 82px; }
.signal-trace i:nth-of-type(5) { height: 32px; }
.signal-observations { grid-column: 2; grid-row: 1 / span 2; border-left: 1px solid rgba(255,255,255,.16); }
.signal-observation { display: grid; grid-template-columns: 76px 1fr; gap: 26px; min-height: 190px; padding: 38px 42px; border-bottom: 1px solid rgba(255,255,255,.16); }
.signal-observation:last-child { border-bottom: 0; }
.signal-observation > span { color: var(--coral); font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 13px; }
.signal-observation small { color: #78cdb2; font-size: 10px; font-weight: 750; letter-spacing: .12em; text-transform: uppercase; }
.signal-observation h3 { margin: 8px 0; font-size: 25px; }
.signal-observation p { max-width: 520px; margin: 0; color: #9eaea8; font-size: 14px; }
.problem-thesis { grid-column: 1 / -1; margin: 0; padding: 26px 56px; border-top: 1px solid rgba(255,255,255,.16); background: var(--coral); font-family: Georgia, "Times New Roman", serif; font-size: 22px; line-height: 1.45; }

.how-route { background: var(--ink); color: #fff; }
.route-heading { display: grid; grid-template-columns: 1.45fr .55fr; gap: 80px; align-items: end; margin-bottom: 76px; }
.route-heading h2 { max-width: 760px; margin-bottom: 0; }
.route-heading > p { margin: 0 0 8px; color: #aab9b4; font-size: 16px; }
.route-body { display: grid; grid-template-columns: .72fr 1.28fr; gap: 88px; align-items: start; }
.route-meter { position: sticky; top: 120px; min-height: 470px; padding: 38px; border: 1px solid rgba(255,255,255,.2); background: radial-gradient(circle at 70% 20%, rgba(216,243,233,.15), transparent 38%); }
.meter-kicker, .meter-unit { display: block; font-size: 11px; font-weight: 800; letter-spacing: .14em; text-transform: uppercase; }
.route-meter strong { display: block; margin: 28px 0 -18px; color: var(--mint); font-size: clamp(100px, 13vw, 168px); font-weight: 500; letter-spacing: -.09em; line-height: 1; }
.meter-unit { margin-left: 10px; color: var(--coral); }
.route-meter p { position: absolute; left: 38px; bottom: 24px; margin: 0; color: #aab9b4; font-size: 13px; }
.meter-wave { display: flex; height: 84px; align-items: center; gap: 9px; margin-top: 58px; }
.meter-wave i { width: 3px; height: 18px; background: var(--coral); }
.meter-wave i:nth-child(2), .meter-wave i:nth-child(6) { height: 44px; }
.meter-wave i:nth-child(3) { height: 78px; }
.meter-wave i:nth-child(4) { height: 30px; }
.meter-wave i:nth-child(5) { height: 58px; }
.meter-wave i:nth-child(7) { height: 24px; }
.route-list { margin: 0; padding: 0; list-style: none; counter-reset: route; }
.route-item { display: grid; grid-template-columns: 94px 1fr; gap: 24px; padding: 30px 0 34px; border-top: 1px solid rgba(255,255,255,.22); }
.route-item:last-child { border-bottom: 1px solid rgba(255,255,255,.22); }
.route-item > span { color: rgba(255,255,255,.26); font-size: 44px; font-weight: 300; line-height: 1; }
.route-item small { color: var(--coral); font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 10px; letter-spacing: .12em; text-transform: uppercase; }
.route-item h3 { margin: 7px 0 12px; font-size: 29px; }
.route-item p { max-width: 590px; margin: 0; color: #aab9b4; }

.audience-orbit { overflow: hidden; background: #e8e6f1; }
.audience-layout { display: grid; grid-template-columns: .82fr 1.18fr; gap: 40px; align-items: center; }
.audience-copy { position: relative; z-index: 2; }
.audience-copy h2 { max-width: 600px; font-size: clamp(45px, 5.1vw, 68px); }
.audience-copy > p:not(.eyebrow):not(.audience-rule) { max-width: 560px; color: #5e5a6b; font-size: 18px; }
.audience-rule { max-width: 520px; margin-top: 44px; padding-top: 20px; border-top: 2px solid var(--ink); }
.orbit-map { position: relative; min-height: 610px; }
.orbit-ring { position: absolute; left: 50%; top: 50%; border: 1px solid rgba(16,35,31,.25); border-radius: 50%; transform: translate(-50%, -50%); }
.ring-one { width: 330px; height: 330px; }
.ring-two { width: 540px; height: 540px; border-style: dashed; }
.orbit-center { position: absolute; left: 50%; top: 50%; width: 178px; height: 178px; display: grid; place-content: center; text-align: center; border-radius: 50%; background: var(--ink); color: #fff; transform: translate(-50%, -50%); box-shadow: 0 24px 70px rgba(16,35,31,.22); }
.orbit-center span { color: var(--mint-strong); font-size: 10px; letter-spacing: .1em; text-transform: uppercase; }
.orbit-center strong { font-size: 22px; }
.orbit-node { position: absolute; width: 192px; padding: 18px 20px; border: 1px solid var(--ink); background: #f8f7fc; box-shadow: 9px 9px 0 rgba(16,35,31,.12); }
.orbit-node > span { display: block; margin-bottom: 22px; font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 11px; }
.orbit-node h3 { margin-bottom: 4px; font-size: 22px; }
.orbit-node p { margin: 0; color: #5e5a6b; font-size: 12px; }
.orbit-person { left: 2%; top: 13%; transform: rotate(-3deg); }
.orbit-family { right: -1%; top: 18%; transform: rotate(4deg); }
.orbit-center-node { right: 7%; bottom: 5%; transform: rotate(-2deg); }
.audience-caption { padding-top: 32px; border-top: 1px solid rgba(16,35,31,.22); color: #5e5a6b; font-size: 12px; }

.capabilities-board { background: #f9f9f5; }
.board-title { display: grid; grid-template-columns: 1fr auto; align-items: end; margin-bottom: 48px; }
.board-title .eyebrow { grid-column: 1 / -1; }
.board-title h2 { max-width: 850px; margin-bottom: 0; }
.board-title > span { padding-bottom: 10px; font-family: ui-monospace, SFMono-Regular, Menlo, monospace; color: var(--muted); font-size: 11px; text-transform: uppercase; }
.capability-ledger { display: grid; grid-template-columns: 1.18fr .82fr; border: 2px solid var(--ink); }
.ledger-column { padding: 34px 40px 20px; }
.ledger-now { background: #fff; }
.ledger-next { border-left: 2px solid var(--ink); background: var(--mint); }
.ledger-head { display: grid; grid-template-columns: 18px 1fr; align-items: center; padding-bottom: 24px; border-bottom: 1px solid var(--ink); }
.ledger-head small { grid-column: 2; color: var(--muted); }
.ledger-dot { width: 9px; height: 9px; border-radius: 50%; background: var(--coral); }
.ledger-next .ledger-dot { background: var(--ink); }
.ledger-column ol { margin: 0; padding: 0; list-style: none; }
.ledger-column li { display: grid; grid-template-columns: 46px 1fr; gap: 18px; padding: 28px 0; border-bottom: 1px solid rgba(16,35,31,.23); }
.ledger-column li:last-child { border-bottom: 0; }
.ledger-column li > span { padding-top: 3px; font-family: ui-monospace, SFMono-Regular, Menlo, monospace; color: var(--coral); font-size: 12px; }
.ledger-next li > span { color: var(--ink); }
.ledger-column h3 { margin-bottom: 8px; font-size: 22px; }
.ledger-column p { margin: 0; color: var(--muted); font-size: 14px; }
.board-principle { display: grid; grid-template-columns: 210px 1fr; gap: 24px; padding: 25px 32px; background: var(--coral); color: #fff; }
.board-principle span { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 11px; letter-spacing: .08em; text-transform: uppercase; }
.board-principle p { max-width: 760px; margin: 0; font-weight: 650; }

.tech-grid { display: grid; grid-template-columns: .85fr 1.15fr; align-items: center; gap: 80px; }
.check-list { margin: 30px 0 0; padding: 0; list-style: none; }
.check-list li { position: relative; margin: 14px 0; padding-left: 30px; font-weight: 650; }
.check-list li::before { content: "✓"; position: absolute; left: 0; color: var(--coral); font-weight: 900; }
.system-map { padding: 34px; border-radius: 32px; background: var(--ink); color: #fff; box-shadow: var(--shadow); }
.map-node { display: grid; grid-template-columns: 42px 1fr; align-items: center; gap: 0 14px; padding: 18px; border: 1px solid rgba(255,255,255,.14); border-radius: 18px; }
.map-node > span { grid-row: span 2; display: grid; width: 42px; height: 42px; place-items: center; border-radius: 12px; background: var(--mint); color: var(--ink); font-size: 12px; font-weight: 850; }
.map-node small, .map-results small { color: #b8c5c0; }
.map-arrow, .map-split { padding: 9px; text-align: center; color: var(--mint-strong); font-size: 22px; }
.map-results { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.map-results > div { display: grid; gap: 4px; padding: 18px; border-radius: 18px; background: rgba(216,243,233,.1); }

.roadmap { background: var(--sand); }
.timeline { display: grid; grid-template-columns: repeat(3, 1fr); }
.timeline-item { position: relative; padding: 42px 34px 18px; border-top: 2px solid rgba(16,35,31,.18); }
.timeline-item::before { content: ""; position: absolute; width: 14px; height: 14px; top: -8px; left: 34px; border: 3px solid var(--sand); border-radius: 50%; background: #84938e; }
.timeline-item.current { border-color: var(--coral); }
.timeline-item.current::before { background: var(--coral); }
.timeline-item > span { display: block; margin-bottom: 24px; color: var(--coral); font-size: 12px; font-weight: 800; letter-spacing: .08em; text-transform: uppercase; }
.timeline-item p { color: var(--muted); }
.disclaimer { margin: 44px 0 0; padding-top: 24px; border-top: 1px solid rgba(16,35,31,.16); color: var(--muted); }
.team-minimal { background: #fff; }
.team-masthead { max-width: 780px; margin-bottom: 52px; }
.team-masthead h2 { margin-bottom: 0; }
.author-card { display: grid; grid-template-columns: 240px 1fr; gap: clamp(38px, 7vw, 90px); align-items: center; padding-top: 34px; border-top: 1px solid var(--ink); }
.author-card img { width: 240px; height: 240px; display: block; border: 8px solid var(--mint); border-radius: 50%; object-fit: cover; object-position: center 22%; background: var(--sand); box-shadow: 0 0 0 1px var(--ink); }
.author-copy { max-width: 600px; }
.author-role { margin: 0 0 20px; color: var(--coral); font-size: 11px; font-weight: 800; letter-spacing: .12em; text-transform: uppercase; }
.author-copy h3 { margin-bottom: 22px; font-size: clamp(40px, 5vw, 66px); }
.author-copy > p:not(.author-role) { color: var(--muted); font-size: 18px; }
.author-contacts { display: flex; flex-wrap: wrap; gap: 14px 30px; margin-top: 36px; padding-top: 24px; border-top: 1px solid var(--line); }
.author-contacts a { color: var(--ink); text-decoration-color: var(--coral); text-underline-offset: 5px; font-weight: 700; }

.partner-call { position: relative; overflow: hidden; background: var(--coral); color: #fff; }
.partner-call::after { content: "↗"; position: absolute; right: -40px; bottom: -155px; color: rgba(255,255,255,.1); font-size: 430px; font-weight: 200; line-height: 1; }
.partner-call-grid { position: relative; z-index: 1; display: grid; grid-template-columns: 270px 1fr; gap: 90px; align-items: center; }
.partner-stamp { width: 250px; height: 250px; display: grid; place-content: center; text-align: center; border: 2px solid #fff; border-radius: 50%; transform: rotate(-8deg); }
.partner-stamp span, .partner-stamp small { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 11px; letter-spacing: .14em; text-transform: uppercase; }
.partner-stamp strong { margin: -4px 0 -8px; font-size: 98px; font-weight: 350; letter-spacing: -.08em; line-height: 1; }
.partner-message { max-width: 820px; }
.partner-message .eyebrow { color: #ffe5dd; }
.partner-message h2 { font-size: clamp(46px, 5.5vw, 74px); }
.partner-message > p:not(.eyebrow) { max-width: 720px; color: #ffe5dd; font-size: 18px; }
.partner-link { display: inline-flex; align-items: center; gap: 22px; margin-top: 26px; padding-bottom: 6px; border-bottom: 2px solid #fff; text-decoration: none; font-size: 18px; font-weight: 800; }
.partner-link span { font-size: 28px; font-weight: 300; }

.support-document { background: #e7e5de; }
.support-sheet { display: grid; grid-template-columns: 142px 1fr; padding: 0; border: 1px solid #a6aaa4; background: #fff; box-shadow: 16px 18px 0 #d1cec5; }
.support-side { display: flex; flex-direction: column; justify-content: space-between; align-items: center; padding: 30px 20px; border-right: 1px solid #a6aaa4; background: #f4f3ee; }
.support-side span { writing-mode: vertical-rl; transform: rotate(180deg); font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 11px; letter-spacing: .16em; text-transform: uppercase; }
.support-side strong { font-size: 22px; font-weight: 500; }
.support-main { padding: 55px 60px 46px; }
.support-heading { display: grid; grid-template-columns: .55fr 1.45fr; gap: 40px; align-items: start; }
.support-heading h2 { max-width: 760px; font-family: Georgia, "Times New Roman", serif; font-size: clamp(42px, 4.8vw, 64px); font-weight: 500; letter-spacing: -.045em; }
.institution-line { display: grid; grid-template-columns: .8fr 1.4fr .8fr; margin: 32px 0 42px; border-top: 1px solid var(--ink); border-bottom: 1px solid var(--ink); }
.institution-line > div { min-height: 116px; display: flex; flex-direction: column; justify-content: center; padding: 20px 24px; border-left: 1px solid var(--ink); }
.institution-line > div:first-child { border-left: 0; padding-left: 0; }
.institution-line strong { font-size: 20px; }
.institution-line span { max-width: 260px; color: var(--muted); font-size: 12px; }
.support-statement { max-width: 880px; font-family: Georgia, "Times New Roman", serif; font-size: 21px; line-height: 1.5; }
.support-note { margin: 30px 0 0; color: var(--muted); font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 10px; }

.contact { background: #edf4f0; }
.contact-grid { display: grid; grid-template-columns: .85fr 1.15fr; gap: 80px; }
.contact-copy > p { color: var(--muted); font-size: 18px; }
.contact-list { margin-top: 42px; }
.contact-list div { padding: 16px 0; border-bottom: 1px solid var(--line); }
.contact-list dt { color: var(--muted); font-size: 12px; font-weight: 750; text-transform: uppercase; letter-spacing: .08em; }
.contact-list dd { margin: 4px 0 0; font-weight: 650; }
.contact-list a { color: var(--ink); text-decoration-color: var(--coral); text-underline-offset: 4px; }
.project-support { padding: 32px; border-radius: var(--radius); background: #fff; box-shadow: var(--shadow); }
.support-logos { display: grid; gap: 24px; }
.support-logos img { display: block; width: 100%; height: 120px; object-fit: contain; }
.project-support > p { margin: 28px 0 0; text-align: center; font-size: 16px; line-height: 1.6; }
.site-footer { padding: 64px 0 24px; background: var(--ink); color: #fff; }
.footer-grid { display: grid; grid-template-columns: 1.1fr 1.4fr; gap: 56px; padding-bottom: 48px; }
.footer-grid h2 { margin-bottom: 12px; font-size: 14px; letter-spacing: .06em; text-transform: uppercase; }
.footer-grid p, .footer-grid a { color: #b8c5c0; font-size: 13px; }
.footer-company .company-name { margin-bottom: 12px; color: #fff; font-size: 15px; font-weight: 750; }
.company-requisites { display: flex; flex-wrap: wrap; gap: 8px 22px; margin: 0 0 12px; }
.company-requisites div { display: flex; gap: 7px; }
.company-requisites dt { color: #82938d; font-size: 11px; font-weight: 750; letter-spacing: .06em; }
.company-requisites dd { margin: 0; color: #d8e0dd; font-size: 12px; font-variant-numeric: tabular-nums; }
.footer-company .company-registration { margin: 0; color: #82938d; font-size: 11px; }
.footer-brand { margin-bottom: 16px; }
.footer-brand .brand-mark { background: var(--mint); color: var(--ink); }
.footer-bottom { display: flex; justify-content: space-between; padding-top: 22px; border-top: 1px solid rgba(255,255,255,.12); color: #91a39d; font-size: 12px; }

.legal-document { max-width: 900px; }
.legal-document > h1 { font-size: clamp(40px, 7vw, 68px); }
.legal-section { margin-top: 50px; }
.legal-section h2 { font-size: 32px; }
.legal-company-name { max-width: 760px; font-family: Georgia, "Times New Roman", serif; font-size: 24px; }
.legal-details { margin: 28px 0 0; border-top: 1px solid var(--ink); }
.legal-details div { display: grid; grid-template-columns: 240px 1fr; gap: 28px; padding: 16px 0; border-bottom: 1px solid var(--line); }
.legal-details dt { color: var(--muted); font-size: 12px; font-weight: 750; letter-spacing: .06em; text-transform: uppercase; }
.legal-details dd { margin: 0; font-weight: 650; font-variant-numeric: tabular-nums; }

.reveal { opacity: 0; transform: translateY(20px); transition: opacity .65s ease, transform .65s ease; }
.reveal.visible { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; transition: none; }
  .button { transition: none; }
}

@media (max-width: 900px) {
  .section { padding: 78px 0; }
  .hero { min-height: auto; padding-top: 60px; }
  .hero-grid, .tech-grid, .contact-grid { grid-template-columns: 1fr; gap: 46px; }
  .hero-visual { max-width: 560px; margin-inline: auto; }
  .signal-panel { grid-template-columns: 1fr; }
  .signal-observations { grid-column: 1; grid-row: auto; border-top: 1px solid rgba(255,255,255,.16); border-left: 0; }
  .signal-trace { grid-column: 1; }
  .route-heading, .route-body { grid-template-columns: 1fr; gap: 46px; }
  .route-heading > p { max-width: 520px; }
  .route-meter { position: relative; top: auto; min-height: 360px; }
  .route-meter strong { font-size: 130px; }
  .audience-layout { grid-template-columns: 1fr; }
  .audience-copy { max-width: 720px; }
  .orbit-map { max-width: 720px; width: 100%; margin-inline: auto; }
  .board-title { grid-template-columns: 1fr; }
  .board-title > span { margin-top: 18px; }
  .capability-ledger { grid-template-columns: 1fr; }
  .ledger-next { border-top: 2px solid var(--ink); border-left: 0; }
  .timeline { grid-template-columns: 1fr; }
  .timeline-item { border-top: 0; border-left: 2px solid rgba(16,35,31,.18); padding: 0 0 42px 34px; }
  .timeline-item.current { border-left-color: var(--coral); }
  .timeline-item::before { top: 3px; left: -8px; }
  .author-card { grid-template-columns: 210px 1fr; gap: 44px; }
  .author-card img { width: 210px; height: 210px; }
  .partner-call-grid { grid-template-columns: 220px 1fr; gap: 52px; }
  .partner-stamp { width: 210px; height: 210px; }
  .partner-stamp strong { font-size: 80px; }
  .support-sheet { grid-template-columns: 96px 1fr; }
  .support-main { padding: 46px 38px; }
  .support-heading { grid-template-columns: 1fr; gap: 0; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 720px) {
  .container { width: min(100% - 28px, 1160px); }
  .main-nav { position: absolute; left: 14px; right: 14px; top: 68px; display: none; padding: 18px; border: 1px solid var(--line); border-radius: 18px; background: var(--paper); box-shadow: var(--shadow); }
  .main-nav.open { display: grid; gap: 8px; }
  .main-nav a { padding: 10px 8px; }
  .menu-button { display: block; }
  h1 { font-size: clamp(43px, 13vw, 64px); }
  h2 { font-size: 38px; }
  .signal-panel { box-shadow: 8px 8px 0 rgba(16,35,31,.12); }
  .problem-lead { padding: 36px 28px; }
  .problem-lead h2 { font-size: 39px; }
  .signal-trace { height: 92px; margin: 0 28px; }
  .signal-observation { grid-template-columns: 42px 1fr; gap: 10px; min-height: auto; padding: 28px; }
  .problem-thesis { padding: 24px 28px; font-size: 19px; }
  .route-meter { min-height: 330px; padding: 26px; }
  .route-meter p { left: 26px; }
  .route-item { grid-template-columns: 58px 1fr; gap: 12px; }
  .route-item > span { font-size: 32px; }
  .orbit-map { min-height: auto; display: grid; gap: 12px; padding: 32px 0 10px; }
  .orbit-ring { display: none; }
  .orbit-center, .orbit-node { position: static; width: auto; height: auto; transform: none; border-radius: 0; box-shadow: none; }
  .orbit-center { min-height: 130px; }
  .orbit-node { padding: 22px; }
  .board-title h2 { font-size: 36px; }
  .ledger-column { padding: 28px 22px 12px; }
  .ledger-column li { grid-template-columns: 34px 1fr; gap: 10px; }
  .board-principle { grid-template-columns: 1fr; }
  .author-card { grid-template-columns: 1fr; gap: 30px; }
  .author-card img { width: 190px; height: 190px; }
  .partner-call-grid { grid-template-columns: 1fr; gap: 48px; }
  .partner-stamp { width: 160px; height: 160px; }
  .partner-stamp strong { font-size: 60px; }
  .partner-message h2 { font-size: 40px; }
  .support-sheet { grid-template-columns: 1fr; box-shadow: 8px 10px 0 #d1cec5; }
  .support-side { flex-direction: row; padding: 16px 20px; border-right: 0; border-bottom: 1px solid #a6aaa4; }
  .support-side span { writing-mode: initial; transform: none; }
  .support-main { padding: 34px 22px; }
  .institution-line { grid-template-columns: 1fr; }
  .institution-line > div { min-height: auto; padding: 18px 0; border-top: 1px solid var(--ink); border-left: 0; }
  .institution-line > div:first-child { border-top: 0; }
  .support-statement { font-size: 18px; }
  .legal-details div { grid-template-columns: 1fr; gap: 4px; }
  .map-results, .footer-grid { grid-template-columns: 1fr; }
  .project-support { padding: 22px; }
  .footer-bottom { flex-direction: column; gap: 8px; }
}