:root {
  color-scheme: light;
  --ink: #14233f;
  --ink-soft: #536174;
  --navy: #10223f;
  --navy-2: #1b3155;
  --cobalt: #2f5bd5;
  --cobalt-soft: #a7bdf7;
  --paper: #f4f0e7;
  --paper-2: #fbfaf5;
  --mist: #e5ebf1;
  --sage: #647a6a;
  --amber: #c48a3a;
  --line: rgba(20, 35, 63, .19);
  --line-light: rgba(251, 250, 245, .2);
  --shell: min(1320px, calc(100vw - 96px));
  --serif: "Iowan Old Style", "Baskerville", Georgia, "Times New Roman", serif;
  --sans: "Avenir Next", Avenir, "Helvetica Neue", Arial, sans-serif;
  font-family: var(--sans);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 112px; }
body { margin: 0; min-width: 320px; overflow-x: hidden; background: var(--paper); color: var(--ink); line-height: 1.5; }
body, button, input, select, textarea { font-family: var(--sans); }
a { color: inherit; text-decoration: none; }
button { color: inherit; }
h1, h2, h3, p, dl, dd, ol { margin: 0; }
h1, h2, h3 { font-family: var(--serif); font-weight: 400; line-height: .96; letter-spacing: -.052em; }
button, a, input, select, textarea, summary { -webkit-tap-highlight-color: transparent; }
:focus-visible { outline: 3px solid var(--amber); outline-offset: 4px; }
.shell { width: var(--shell); margin-inline: auto; }
.eyebrow { color: var(--cobalt); font-size: .64rem; font-weight: 800; letter-spacing: .15em; text-transform: uppercase; }
.skip-link { position: fixed; top: 8px; left: 12px; z-index: 200; padding: 10px 14px; background: var(--navy); color: var(--paper); transform: translateY(-160%); transition: transform .2s; }
.skip-link:focus { transform: translateY(0); }

.prototype-banner { position: fixed; inset: 0 0 auto; z-index: 100; display: flex; align-items: center; justify-content: center; gap: 12px; min-height: 28px; padding: 5px 16px; background: var(--navy); color: rgba(251,250,245,.78); font-size: .58rem; letter-spacing: .08em; text-transform: uppercase; }
.prototype-banner span:first-child { color: #c8d5ff; font-weight: 800; }
.prototype-banner i { width: 3px; height: 3px; border-radius: 50%; background: var(--amber); }

.site-header { position: fixed; inset: 0 0 auto; z-index: 90; display: flex; align-items: center; justify-content: space-between; min-height: 74px; padding: 0 clamp(18px, 4vw, 60px); border-bottom: 1px solid rgba(20, 35, 63,.11); background: rgba(244,240,231,.84); backdrop-filter: blur(16px); }
.brand { display: inline-flex; align-items: center; gap: 11px; min-width: max-content; }
.brand-word { font-size: .83rem; font-weight: 750; letter-spacing: .105em; }
.brand-word small { display: block; margin-top: 2px; color: var(--ink-soft); font-size: .54rem; font-weight: 600; letter-spacing: .16em; }
.brand-mark { display:block; width:42px; height:42px; flex:none; }
.brand-mark img { width:100%; height:100%; display:block; }
.desktop-nav { display: flex; align-items: center; gap: clamp(16px, 2.2vw, 33px); margin-left: auto; margin-right: clamp(22px, 3vw, 48px); color: var(--ink-soft); font-size: .66rem; font-weight: 650; }
.desktop-nav a, .header-link, .footer-links a { transition: color .2s ease; }
.desktop-nav a:hover, .header-link:hover, .footer-links a:hover { color: var(--cobalt); }
.header-actions { display: flex; align-items: center; gap: 18px; }
.header-link { color: var(--ink-soft); font-size: .65rem; font-weight: 650; }
.header-cta, .button { display: inline-flex; align-items: center; justify-content: center; gap: 14px; min-height: 44px; padding: 0 17px; border: 1px solid var(--cobalt); font-size: .65rem; font-weight: 800; letter-spacing: .02em; }
.header-cta, .button-primary { background: var(--cobalt); color: var(--paper-2); }
.header-cta:hover, .button-primary:hover { background: #2349bd; }
.header-cta span, .button span { font-size: 1rem; line-height: 0; }
.menu-toggle { display: none; border: 0; background: transparent; }
.mobile-nav { display: none; }

.hero { position: relative; min-height: 690px; padding: 134px 0 34px; background: linear-gradient(125deg, var(--paper-2) 0%, var(--paper) 58%, #e9edf1 100%); }
.hero-grid { display: grid; grid-template-columns: minmax(0, 1fr) minmax(520px, 1.04fr); align-items: center; gap: clamp(46px, 5vw, 76px); min-height: 500px; }
.hero-copy { padding-top: 15px; }
.hero-copy h1 { max-width: 700px; margin-top: 23px; font-size: clamp(4rem, 5.2vw, 5rem); }
.hero-copy h1 em, .section-intro h2 em, .connection-copy h2 em, .operating-grid h2 em, .proof-intro h2 em, .contact-lede h2 em { color: var(--cobalt); font-style: normal; }
.hero-deck { max-width: 540px; margin-top: 31px; color: var(--ink-soft); font-size: 1.05rem; line-height: 1.65; }
.hero-actions { display: flex; align-items: center; gap: 28px; margin-top: 35px; }
.text-link { display: inline-flex; align-items: center; gap: 19px; color: var(--ink); font-size: .66rem; font-weight: 800; }
.text-link span { color: var(--cobalt); font-size: 1rem; }
.text-link:hover { color: var(--cobalt); }
.opening-switch { display: flex; align-items: center; flex-wrap: wrap; gap: 12px 17px; margin-top: 44px; color: var(--ink-soft); font-size: .54rem; font-weight: 750; letter-spacing: .09em; }
.opening-switch > span { margin-right: 4px; color: var(--cobalt); }
.opening-switch a { padding-bottom: 5px; border-bottom: 1px solid transparent; }
.opening-switch a:hover, .opening-switch a[aria-current="page"] { border-color: var(--cobalt); color: var(--ink); }

.hero-diagram-wrap { align-self: stretch; display: flex; flex-direction: column; justify-content: center; min-width: 0; }
.diagram-meta { display: flex; justify-content: space-between; margin-bottom: 12px; color: var(--ink-soft); font-size: .57rem; font-weight: 800; letter-spacing: .11em; text-transform: uppercase; }
.hero-diagram { position: relative; min-height: 460px; overflow: hidden; border: 1px solid rgba(20, 35, 63,.27); background: rgba(251,250,245,.65); box-shadow: 24px 25px 0 rgba(20, 35, 63,.045); }
.hero-diagram::before { position: absolute; inset: 0; content: ""; background: linear-gradient(rgba(20, 35, 63,.055) 1px, transparent 1px), linear-gradient(90deg, rgba(20, 35, 63,.055) 1px, transparent 1px); background-size: 43px 43px; mask-image: linear-gradient(135deg, black 20%, transparent 82%); }
.diagram-lines { position: absolute; inset: 0; z-index: 1; width: 100%; height: 100%; }
.diagram-lines path { fill: none; stroke: var(--cobalt); stroke-width: 1.5; stroke-dasharray: 7 7; opacity: .52; }
.diagram-lines circle { fill: var(--paper-2); stroke: var(--cobalt); stroke-width: 2; }
.diagram-node { position: absolute; z-index: 2; display: grid; gap: 5px; min-width: 146px; padding: 15px 16px; border: 1px solid var(--ink); background: rgba(251,250,245,.95); color: var(--ink); text-align: left; transition: transform .25s ease, border-color .25s ease, background .25s ease, color .25s ease; }
button.diagram-node { cursor: pointer; }
.diagram-node:hover, .diagram-node:focus-visible { transform: translateY(-5px); border-color: var(--cobalt); background: var(--cobalt); color: var(--paper-2); }
.diagram-node > span { color: var(--cobalt); font-size: .52rem; font-weight: 800; letter-spacing: .1em; }
.diagram-node:hover > span, .diagram-node:focus-visible > span { color: var(--cobalt-soft); }
.diagram-node strong { font-family: var(--serif); font-size: 1.18rem; font-weight: 400; line-height: .96; letter-spacing: -.035em; }
.diagram-node small { color: var(--ink-soft); font-size: .59rem; }
.diagram-node:hover small, .diagram-node:focus-visible small { color: rgba(251,250,245,.72); }
.diagram-center { top: 42%; left: 50%; display: grid; place-items: center; width: 170px; height: 112px; min-width: 0; transform: translate(-50%, -50%); border: 2px solid var(--navy); background: var(--navy); color: var(--paper-2); text-align: center; box-shadow: 12px 12px 0 rgba(20, 35, 63,.08); }
.diagram-center:hover, .diagram-center:focus-visible { transform: translate(-50%, -55%); background: var(--navy-2); }
.diagram-center span { color: var(--cobalt-soft); font-size: .56rem; font-weight: 800; letter-spacing: .15em; }
.diagram-center strong { font-family: var(--sans); font-size: .85rem; font-weight: 800; letter-spacing: .14em; }
.diagram-center small { color: rgba(251,250,245,.6); font-size: .61rem; }
.node-signals { top: 9%; left: 6%; }
.node-systems { top: 9%; right: 5%; }
.node-assets { right: 5%; bottom: 10%; }
.node-teams { bottom: 10%; left: 6%; }
.diagram-footnote { position: absolute; right: 20px; bottom: 18px; left: 20px; z-index: 3; display: flex; align-items: center; gap: 10px; padding-top: 13px; border-top: 1px solid var(--line); color: var(--ink-soft); font-size: .6rem; font-weight: 700; letter-spacing: .07em; text-transform: uppercase; }
.diagram-footnote i { width: 6px; height: 6px; border-radius: 50%; background: var(--amber); }
.hero-index { display: flex; justify-content: space-between; margin-top: 18px; color: var(--ink-soft); font-size: .55rem; font-weight: 750; letter-spacing: .12em; }
.scroll-cue { color: var(--cobalt); }
.scroll-cue b { display: inline-block; margin-left: 8px; font-size: 1rem; font-weight: 400; }
body[data-opening="b"] .hero { background: linear-gradient(125deg, #e8eee9 0%, var(--paper) 56%, #e5eaf2 100%); }
body[data-opening="b"] .hero-diagram { box-shadow: 24px 25px 0 rgba(100,122,106,.1); }
body[data-opening="b"] .hero-diagram .diagram-lines path { stroke: var(--sage); }
body[data-opening="b"] .hero-diagram .diagram-lines circle { stroke: var(--sage); }
body[data-opening="c"] .hero { background: linear-gradient(125deg, #e3e9f2 0%, var(--paper-2) 55%, var(--paper) 100%); }
body[data-opening="c"] .hero-diagram-wrap { order: -1; }
body[data-opening="c"] .hero-grid { grid-template-columns: minmax(520px, 1.06fr) minmax(0, .94fr); }
body[data-opening="c"] .hero-diagram { box-shadow: -24px 25px 0 rgba(47, 91, 213,.08); }

.router-section { padding: 94px 0 42px; background: var(--navy); color: var(--paper-2); }
.router-section .eyebrow { color: var(--cobalt-soft); }
.section-intro { display: grid; grid-template-columns: minmax(0, .9fr) minmax(250px, .55fr); align-items: end; gap: clamp(40px, 7vw, 120px); }
.section-intro h2 { margin-top: 20px; font-size: clamp(3rem, 4.4vw, 4rem); }
.section-intro h2 em { color: var(--cobalt-soft); }
.section-intro > p { color: rgba(251,250,245,.63); font-size: .93rem; line-height: 1.72; }
.explorer { display: grid; grid-template-columns: minmax(310px, .82fr) minmax(0, 1.18fr); gap: 18px; margin-top: 66px; }
.explorer-list { border-top: 1px solid var(--line-light); }
.explorer-tab { display: grid; grid-template-columns: 38px minmax(0,1fr) 20px; align-items: start; gap: 15px; width: 100%; padding: 24px 12px; border: 0; border-bottom: 1px solid var(--line-light); background: transparent; color: var(--paper-2); text-align: left; cursor: pointer; opacity: 1; transition: padding-left .2s ease, background .2s ease, box-shadow .2s ease; }
.explorer-tab:hover, .explorer-tab.is-active { padding-left: 23px; background: rgba(251,250,245,.065); box-shadow: inset 3px 0 var(--cobalt-soft); }
.explorer-tab > span:first-child { color: var(--cobalt-soft); font-size: .57rem; font-weight: 800; letter-spacing: .08em; }
.explorer-tab b { display: block; font-family: var(--serif); font-size: 1.55rem; font-weight: 400; letter-spacing: -.035em; }
.explorer-tab small { display: block; margin-top: 7px; color: rgba(251,250,245,.75); font-size: .71rem; line-height: 1.45; }
.explorer-tab > i { color: var(--cobalt-soft); font-size: 1rem; font-style: normal; }
.route-panel { min-height: 425px; border: 1px solid rgba(251,250,245,.31); background: var(--navy-2); }
.route-panel-top { display: flex; justify-content: space-between; padding: 17px 24px; border-bottom: 1px solid var(--line-light); color: var(--cobalt-soft); font-size: .55rem; font-weight: 800; letter-spacing: .1em; }
.route-status { color: rgba(251,250,245,.5); }
.route-panel-main { padding: 32px 28px 30px; }
.route-question { max-width: 750px; font-family: var(--serif); font-size: clamp(2.55rem, 3.2vw, 3.6rem); line-height: .96; letter-spacing: -.05em; }
.route-support { max-width: 610px; margin-top: 22px; color: rgba(251,250,245,.65); font-size: .88rem; line-height: 1.65; }
.route-details { border-top: 1px solid var(--line-light); }
.route-details > div { display: grid; grid-template-columns: 135px 1fr; gap: 18px; padding: 14px 28px; border-bottom: 1px solid rgba(251,250,245,.12); }
.route-details dt { color: rgba(251,250,245,.48); font-size: .56rem; font-weight: 800; letter-spacing: .09em; text-transform: uppercase; }
.route-details dd { display: flex; align-items: center; flex-wrap: wrap; gap: 9px; color: var(--paper-2); font-size: .78rem; }
.route-details dd strong { font-weight: 650; }
.inline-link { display: inline-flex; align-items: center; gap: 8px; color: var(--cobalt-soft); font-weight: 750; }
.inline-link:hover { color: var(--paper-2); }
.candidate-badge { display: inline-flex; padding: 4px 7px; border: 1px solid rgba(167, 189, 247,.38); color: var(--cobalt-soft); font-size: .49rem; font-weight: 800; letter-spacing: .08em; }
.route-panel-actions { display: flex; align-items: center; justify-content: space-between; gap: 22px; padding: 21px 28px; }
.route-detail-link { color: var(--cobalt-soft); font-size: .65rem; font-weight: 800; }
.route-detail-link:hover { color: var(--paper-2); }
.button-light { border-color: rgba(251,250,245,.44); color: var(--paper-2); }
.button-light:hover { background: var(--paper-2); color: var(--navy); }
.section-footnote { display: flex; gap: 25px; margin-top: 48px; padding-top: 18px; border-top: 1px solid var(--line-light); color: rgba(251,250,245,.49); font-size: .62rem; }
.section-footnote span { color: var(--cobalt-soft); font-weight: 800; }

.connection-section { padding: 145px 0; background: var(--paper-2); }
.connection-grid { display: grid; grid-template-columns: minmax(0, .95fr) minmax(460px, 1.05fr); align-items: center; gap: 10vw; }
.connection-copy h2 { margin-top: 20px; font-size: clamp(3rem, 4.4vw, 4rem); }
.connection-copy p:not(.eyebrow) { max-width: 540px; margin-top: 30px; color: var(--ink-soft); font-size: .95rem; line-height: 1.72; }
.text-link-dark { margin-top: 30px; }
.connection-flow { position: relative; padding: 28px 25px; border: 1px solid var(--line); background: var(--paper); }
.flow-step { display: grid; grid-template-columns: 45px .85fr 1fr; align-items: center; gap: 13px; min-height: 76px; padding: 12px 0; border-bottom: 1px solid var(--line); }
.flow-step:last-child { border-bottom: 0; }
.flow-step span { color: var(--cobalt); font-size: .56rem; font-weight: 800; }
.flow-step b { font-size: .66rem; letter-spacing: .1em; }
.flow-step small { color: var(--ink-soft); font-size: .72rem; }
.flow-step.is-current b { color: var(--cobalt); }
.flow-rule { display: none; }

.portfolio-section { padding: 132px 0 150px; background: var(--mist); }
.portfolio-intro > p { color: #556575; }
.portfolio-grid { margin-top: 63px; border-top: 1px solid var(--line); }
.company-card { border-bottom: 1px solid var(--line); }
.company-card summary { display: grid; grid-template-columns: 45px minmax(220px, 1.1fr) minmax(220px, .9fr) 30px; align-items: center; gap: 18px; min-height: 84px; padding: 0 12px; list-style: none; cursor: pointer; }
.company-card summary::-webkit-details-marker { display: none; }
.company-card summary:hover { background: rgba(251,250,245,.4); }
.company-number { color: var(--cobalt); font-size: .59rem; font-weight: 800; }
.company-name { font-family: var(--serif); font-size: 1.7rem; letter-spacing: -.035em; }
.company-role { color: var(--ink-soft); font-size: .56rem; font-weight: 800; letter-spacing: .09em; }
.company-card summary > i { color: var(--cobalt); font-size: 1.1rem; font-style: normal; transition: transform .2s ease; }
.company-card[open] summary > i { transform: rotate(45deg); }
.company-body { display: grid; grid-template-columns: 1.15fr .85fr; gap: 7vw; padding: 5px 60px 31px 75px; }
.company-lede { max-width: 490px; color: var(--ink-soft); font-size: .88rem; line-height: 1.62; }
.company-route { display: inline-flex; gap: 12px; margin-top: 20px; color: var(--cobalt); font-size: .64rem; font-weight: 800; }
.company-proof { padding: 17px 18px; border: 1px solid var(--line); background: rgba(251,250,245,.58); }
.company-proof > span { color: var(--cobalt); font-size: .53rem; font-weight: 800; letter-spacing: .11em; }
.company-proof p { margin-top: 11px; color: var(--ink-soft); font-size: .76rem; line-height: 1.5; }
.company-proof small { display: block; margin-top: 14px; color: var(--amber); font-size: .57rem; font-weight: 800; letter-spacing: .04em; }
.company-featured { background: rgba(251,250,245,.38); }

.operating-section { padding: 140px 0; background: var(--navy); color: var(--paper-2); }
.operating-grid { display: grid; grid-template-columns: minmax(0, .85fr) minmax(420px, 1.15fr); align-items: start; gap: 11vw; }
.operating-grid h2 { margin-top: 20px; font-size: clamp(3rem, 4.4vw, 4rem); }
.operating-grid h2 em { color: var(--cobalt-soft); }
.operating-grid > div:first-child > p:last-child { max-width: 470px; margin-top: 29px; color: rgba(251,250,245,.6); font-size: .94rem; line-height: 1.7; }
.operating-list { border-top: 1px solid var(--line-light); }
.operating-list article { display: grid; grid-template-columns: 46px 1fr; gap: 18px; padding: 26px 12px; border-bottom: 1px solid var(--line-light); }
.operating-list article > span { color: var(--cobalt-soft); font-size: .58rem; font-weight: 800; }
.operating-list h3 { font-size: 2.25rem; }
.operating-list p { max-width: 410px; margin-top: 9px; color: rgba(251,250,245,.59); font-size: .79rem; }

.proof-section { padding: 137px 0 150px; background: var(--paper); }
.proof-intro > p { color: var(--ink-soft); }
.proof-layout { display: grid; grid-template-columns: minmax(0, 1.18fr) minmax(300px, .82fr); gap: 6vw; margin-top: 65px; }
.proof-ledger { border: 1px solid var(--line); background: var(--paper-2); }
.ledger-head, .ledger-row { display: grid; grid-template-columns: 1fr auto; gap: 18px; align-items: center; padding: 17px 21px; border-bottom: 1px solid var(--line); }
.ledger-head { color: var(--ink-soft); font-size: .55rem; font-weight: 800; letter-spacing: .1em; }
.ledger-row { min-height: 66px; font-size: .8rem; }
.ledger-row b { display: inline-block; width: 26px; color: var(--cobalt); font-size: .55rem; }
.ledger-row strong { display: block; font-family: var(--serif); font-size: 1.2rem; font-weight: 400; letter-spacing: -.025em; }
.ledger-row small { display: block; margin: 4px 0 0 26px; color: var(--ink-soft); font-size: .62rem; }
.ledger-row a { color: var(--cobalt); font-size: .61rem; font-weight: 800; }
.ledger-row a:hover { color: var(--ink); }
.ledger-row em { color: var(--amber); font-size: .54rem; font-style: normal; font-weight: 800; letter-spacing: .08em; }
.ledger-note { display: flex; align-items: flex-start; gap: 10px; padding: 17px 21px; color: var(--ink-soft); font-size: .69rem; line-height: 1.5; }
.ledger-note i { flex: 0 0 auto; width: 6px; height: 6px; margin-top: 6px; border-radius: 50%; background: var(--amber); }
.proof-aside { align-self: end; padding: 29px 0; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.aside-index { color: var(--cobalt); font-size: .55rem; font-weight: 800; letter-spacing: .1em; }
.proof-aside h3 { margin-top: 26px; font-size: clamp(2rem, 3.2vw, 3.1rem); }
.proof-aside p { margin-top: 21px; color: var(--ink-soft); font-size: .79rem; line-height: 1.62; }
.proof-aside .text-link { margin-top: 24px; }

.contact-section { padding: 137px 0 150px; background: #e1e6ef; }
.contact-grid { display: grid; grid-template-columns: minmax(0, .85fr) minmax(440px, 1.15fr); align-items: start; gap: 10vw; }
.contact-lede h2 { margin-top: 20px; font-size: clamp(3rem, 4.4vw, 4rem); }
.contact-lede > p:last-child { max-width: 390px; margin-top: 29px; color: var(--ink-soft); font-size: .86rem; line-height: 1.65; }
.contact-panel { padding: 25px 28px 28px; border: 1px solid rgba(20, 35, 63,.3); background: rgba(251,250,245,.78); }
.intent-pill { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding-bottom: 20px; border-bottom: 1px solid var(--line); }
.intent-pill span { color: var(--cobalt); font-size: .54rem; font-weight: 800; letter-spacing: .11em; }
.intent-pill strong { font-family: var(--serif); font-size: 1.15rem; font-weight: 400; }
.contact-choice { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; margin-top: 18px; }
.contact-choice button { display: flex; align-items: center; justify-content: space-between; gap: 10px; min-height: 49px; padding: 0 13px; border: 1px solid var(--line); background: transparent; color: var(--ink-soft); font-size: .65rem; font-weight: 750; text-align: left; cursor: pointer; }
.contact-choice button:hover, .contact-choice button[aria-pressed="true"] { border-color: var(--cobalt); background: var(--cobalt); color: var(--paper-2); }
.contact-choice button span { color: var(--cobalt); font-size: 1rem; }
.contact-choice button:hover span, .contact-choice button[aria-pressed="true"] span { color: var(--cobalt-soft); }
#conversation-form { display: grid; grid-template-columns: 1fr 1fr; gap: 17px 22px; margin-top: 24px; }
#conversation-form label { display: grid; gap: 7px; }
#conversation-form label span { color: var(--ink-soft); font-size: .55rem; font-weight: 800; letter-spacing: .08em; text-transform: uppercase; }
#conversation-form input, #conversation-form select, #conversation-form textarea { width: 100%; padding: 10px 0; border: 0; border-bottom: 1px solid var(--line); border-radius: 0; outline: none; background: transparent; color: var(--ink); font-size: .78rem; }
#conversation-form textarea { min-height: 92px; resize: vertical; }
#conversation-form input:focus, #conversation-form select:focus, #conversation-form textarea:focus { border-color: var(--cobalt); }
#conversation-form select option { color: var(--ink); }
#conversation-form .full-width { grid-column: 1 / -1; }
#conversation-form .button { width: fit-content; margin-top: 4px; }
.form-status { align-self: center; color: var(--sage); font-size: .69rem; }

.site-footer { padding: 58px 0 30px; background: #0a172b; color: var(--paper-2); }
.footer-grid { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 34px; }
.site-footer .brand-mark { border-color: var(--paper-2); }
.site-footer .brand-word small { color: rgba(251,250,245,.48); }
.site-footer p { color: rgba(251,250,245,.57); font-family: var(--serif); font-size: 1.12rem; line-height: 1.18; }
.footer-links { display: grid; gap: 8px; justify-items: start; color: rgba(251,250,245,.62); font-size: .68rem; }
.footer-meta { grid-column: 1 / -1; padding-top: 26px; border-top: 1px solid rgba(251,250,245,.16); color: rgba(251,250,245,.4); font-size: .57rem; letter-spacing: .04em; }
.mobile-cta { display: none; }

@media (max-width: 1160px) {
  :root { --shell: min(100% - 52px, 1320px); }
  .desktop-nav, .header-link { display: none; }
  .menu-toggle { display: grid; grid-template-columns: 19px auto; align-items: center; gap: 9px; padding: 8px 0; cursor: pointer; }
  .menu-toggle span { grid-column: 1; width: 19px; height: 1px; background: currentColor; }
  .menu-toggle b { grid-column: 2; grid-row: 1 / 4; font-size: .61rem; font-weight: 750; }
  .mobile-nav { position: absolute; top: 74px; right: 0; left: 0; display: none; gap: 17px; padding: 23px var(--shell); border-bottom: 1px solid var(--line); background: var(--paper); }
  .mobile-nav.is-open { display: grid; }
  .mobile-nav a { font-size: .78rem; font-weight: 700; }
  .hero-grid { grid-template-columns: 1fr; gap: 45px; }
  body[data-opening="c"] .hero-grid { grid-template-columns: 1fr; }
  body[data-opening="c"] .hero-diagram-wrap { order: 0; }
  .hero-copy { max-width: 820px; }
  .hero-diagram-wrap { max-width: 760px; }
  .section-intro, .connection-grid, .operating-grid, .proof-layout, .contact-grid { grid-template-columns: 1fr; gap: 45px; }
  .connection-flow { max-width: 760px; }
  .proof-aside { max-width: 590px; }
}

@media (max-width: 700px) {
  :root { --shell: min(100% - 28px, 1320px); }
  html { scroll-padding-top: 95px; }
  .prototype-banner { justify-content: flex-start; gap: 8px; overflow: hidden; white-space: nowrap; font-size: .49rem; }
  .prototype-banner span:last-child { overflow: hidden; text-overflow: ellipsis; }
  .site-header { top: 28px; min-height: 66px; padding-inline: 14px; }
  .site-header .brand-mark { width: 31px; height: 31px; }
  .header-cta { min-height: 38px; padding: 0 11px; font-size: .57rem; }
  .mobile-nav { top: 66px; padding: 20px 14px 23px; }
  .hero { min-height: 0; padding: 124px 0 36px; }
  .hero-grid { min-height: 0; gap: 34px; }
  .hero-copy h1 { margin-top: 18px; font-size: clamp(3.85rem, 16.8vw, 6.1rem); }
  .hero-deck { margin-top: 23px; font-size: .94rem; }
  .hero-actions { align-items: flex-start; flex-direction: column; gap: 20px; margin-top: 28px; }
  .opening-switch { gap: 10px 13px; margin-top: 39px; font-size: .49rem; }
  .hero-diagram-wrap { max-width: none; }
  .diagram-meta { font-size: .5rem; }
  .hero-diagram { min-height: 430px; box-shadow: 11px 11px 0 rgba(20, 35, 63,.05); }
  .diagram-node { min-width: 105px; padding: 10px 9px; }
  .diagram-node > span { font-size: .43rem; }
  .diagram-node strong { font-size: .92rem; }
  .diagram-node small { font-size: .5rem; }
  .diagram-center { width: 128px; height: 82px; }
  .diagram-center span { font-size: .44rem; }
  .diagram-center strong { font-size: .65rem; }
  .diagram-center small { font-size: .5rem; }
  .diagram-footnote { right: 12px; bottom: 12px; left: 12px; font-size: .5rem; }
  .node-signals { top: 7%; left: 3%; }
  .node-systems { top: 7%; right: 3%; }
  .node-assets { right: 3%; bottom: 12%; }
  .node-teams { bottom: 12%; left: 3%; }
  .hero-index { gap: 14px; font-size: .47rem; }
  .hero-index > span:nth-child(2) { display: none; }
  .router-section, .connection-section, .portfolio-section, .operating-section, .proof-section, .contact-section { padding: 88px 0; }
  .section-intro { gap: 25px; }
  .section-intro h2 { margin-top: 16px; font-size: clamp(2.15rem, 10vw, 2.65rem); }
  .section-intro > p { font-size: .85rem; }
  .explorer { grid-template-columns: 1fr; gap: 15px; margin-top: 43px; }
  .explorer-tab { grid-template-columns: 30px minmax(0,1fr) 18px; gap: 10px; padding: 18px 8px; }
  .explorer-tab:hover, .explorer-tab.is-active { padding-left: 14px; }
  .explorer-tab b { font-size: 1.28rem; }
  .explorer-tab small { font-size: .65rem; }
  .route-panel { min-height: 0; }
  .route-panel-top { padding: 14px 17px; font-size: .48rem; }
  .route-panel-main { padding: 24px 18px 23px; }
  .route-question { font-size: clamp(2.1rem, 9.6vw, 2.35rem); }
  .route-support { margin-top: 17px; font-size: .8rem; }
  .route-details > div { grid-template-columns: 1fr; gap: 7px; padding: 13px 18px; }
  .route-details dd { font-size: .73rem; }
  .route-panel-actions { align-items: flex-start; flex-direction: column; padding: 18px; }
  .section-footnote { gap: 13px; margin-top: 34px; font-size: .56rem; }
  .connection-grid, .operating-grid, .proof-layout, .contact-grid { gap: 34px; }
  .connection-copy h2, .operating-grid h2, .proof-intro h2, .contact-lede h2 { font-size: clamp(2.3rem, 10vw, 2.7rem); }
  .connection-copy p:not(.eyebrow), .operating-grid > div:first-child > p:last-child, .contact-lede > p:last-child { font-size: .84rem; }
  .connection-flow { padding: 17px 16px; }
  .flow-step { grid-template-columns: 29px 1fr; gap: 9px; min-height: 66px; }
  .flow-step small { grid-column: 2; font-size: .65rem; }
  .portfolio-grid { margin-top: 40px; }
  .company-card summary { grid-template-columns: 31px minmax(0,1fr) 20px; gap: 8px; min-height: 78px; padding-inline: 4px; }
  .company-name { font-size: 1.35rem; }
  .company-role { grid-column: 2; grid-row: 2; font-size: .48rem; }
  .company-card summary > i { grid-column: 3; grid-row: 1 / 3; }
  .company-body { grid-template-columns: 1fr; gap: 20px; padding: 0 4px 24px 43px; }
  .company-lede { font-size: .8rem; }
  .company-proof p { font-size: .71rem; }
  .operating-list article { grid-template-columns: 31px 1fr; gap: 10px; padding: 21px 7px; }
  .operating-list h3 { font-size: 1.9rem; }
  .operating-list p { font-size: .73rem; }
  .proof-layout { margin-top: 40px; }
  .ledger-head, .ledger-row { gap: 8px; padding-inline: 13px; font-size: .67rem; }
  .ledger-row b { width: 21px; }
  .ledger-row em { font-size: .45rem; }
  .ledger-note { padding-inline: 13px; font-size: .63rem; }
  .proof-aside { padding: 24px 0; }
  .proof-aside h3 { margin-top: 20px; font-size: 2.4rem; }
  .contact-panel { padding: 19px 16px 21px; }
  .intent-pill { align-items: flex-start; flex-direction: column; gap: 7px; padding-bottom: 15px; }
  #conversation-form { grid-template-columns: 1fr; gap: 16px; }
  .contact-choice { grid-template-columns: 1fr; gap: 7px; }
  #conversation-form .full-width { grid-column: 1; }
  #conversation-form .button { width: 100%; }
  .form-status { min-height: 18px; }
  .footer-grid { grid-template-columns: 1fr; gap: 24px; }
  .footer-meta { grid-column: 1; }
  .mobile-cta { position: fixed; right: 12px; bottom: 12px; left: 12px; z-index: 80; display: flex; align-items: center; justify-content: space-between; min-height: 48px; padding: 0 17px; background: var(--cobalt); color: var(--paper-2); box-shadow: 0 13px 30px rgba(16, 34, 63,.22); font-size: .68rem; font-weight: 800; }
  .mobile-cta span { font-size: 1rem; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; animation: none !important; transition-duration: .01ms !important; }
}

/* Readability floor for the prototype: narrative copy remains comfortable at a glance. */
.hero-deck, .section-intro > p, .route-support, .route-details dd, .connection-copy p:not(.eyebrow), .company-lede, .company-proof p, .operating-grid > div:first-child > p:last-child, .operating-list p, .proof-aside p, .ledger-note, .contact-lede > p:last-child, #conversation-form input, #conversation-form select, #conversation-form textarea, .review-lede, .review-card p, .review-note-list p { font-size: 1rem; }
.eyebrow, .diagram-meta, .hero-index, .opening-switch, .route-panel-top, .route-details dt, .company-role, .company-proof > span, .company-proof small, .aside-index, .ledger-head, .ledger-row em, .intent-pill span, #conversation-form label span, .footer-meta, .desktop-nav, .header-link, .header-cta, .button, .footer-links { font-size: .6875rem; }
.text-link, .route-detail-link, .company-route, .ledger-row a, .review-card strong, .review-back { font-size: 1rem; }
.explorer-tab small, .ledger-row small { font-size: 1rem; }
.section-footnote { font-size: .75rem; }
.portfolio-section .section-intro h2 em, .connection-section .connection-copy h2 em, .proof-section .proof-intro h2 em, .contact-section .contact-lede h2 em { color: var(--cobalt); }
.router-section .section-intro h2 em, .operating-section .operating-grid h2 em { color: var(--cobalt-soft); }

/* Final phone review: retain the full identity and keep the first action in view. */
@media (max-width: 700px) {
  body:not(.review-page) .site-header .header-cta { display: none; }
  .hero-copy h1 { font-size: clamp(2.75rem, 12.3vw, 3.3rem); line-height: 1.02; }
  .diagram-node > span, .diagram-node small { font-size: .6875rem; }
  .diagram-node { padding: 9px; }
  .diagram-center span, .diagram-center small { font-size: .6875rem; }
  .hero-index { font-size: .6875rem; }
}

@media (max-width: 700px) { .mobile-cta { display: none; } }

/* Dedicated company routes: homepage entries stay open and link to a real page. */
.portfolio-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0 32px; }
.portfolio-grid .company-card { min-height: 252px; padding: 24px 12px 28px; background: transparent; }
.portfolio-grid .company-card:hover, .portfolio-grid .company-card.is-route-match { background: rgba(251,250,245,.42); }
.company-card-top { display: grid; grid-template-columns: 40px minmax(0, 1fr) 24px; align-items: start; gap: 14px; }
.company-card-top > a { color: var(--cobalt); font-size: 1.1rem; line-height: 1.2; }
.company-card-top > a:hover { color: var(--ink); }
.portfolio-grid .company-name { display: block; font-size: 1.55rem; line-height: 1.2; }
.portfolio-grid .company-role { display: block; margin-top: 8px; color: var(--ink-soft); font-size: .62rem; line-height: 1.35; letter-spacing: .05em; }
.portfolio-grid .company-lede { max-width: 510px; margin: 22px 0 0 54px; color: var(--ink-soft); font-size: 1rem; line-height: 1.62; }
.portfolio-grid .company-route { margin: 20px 0 0 54px; }
.portfolio-grid .company-number { padding-top: 3px; }
.contact-context { margin: 15px 0 0; color: var(--ink-soft); font-size: .8rem; line-height: 1.45; }

@media (max-width: 700px) {
  .portfolio-grid { grid-template-columns: 1fr; gap: 0; }
  .portfolio-grid .company-card { min-height: 0; padding: 22px 4px 25px; }
  .company-card-top { grid-template-columns: 31px minmax(0,1fr) 20px; gap: 8px; }
  .portfolio-grid .company-name { font-size: 1.35rem; }
  .portfolio-grid .company-role { margin-top: 6px; font-size: .6rem; }
  .portfolio-grid .company-lede { margin: 17px 0 0 39px; }
  .portfolio-grid .company-route { margin: 17px 0 0 39px; }
}

/* Related company pages remain distinct tap targets. */
#route-evidence { display:flex; flex-wrap:wrap; gap:12px 24px; }
.route-panel-actions { justify-content:flex-end; }
.company-name a:hover { color:var(--cobalt); }

/* Gemini review: the whole company card opens its detail page. */
.company-card { position:relative; }
.company-route::after { content:""; position:absolute; inset:0; }
.company-card:hover { background:rgba(251,250,245,.55); }
.company-card:focus-within { outline:2px solid var(--cobalt); outline-offset:4px; }
.company-card-arrow { color:var(--cobalt); font-size:24px; }