:root {
  --navy-950: #030a13;
  --navy-900: #071426;
  --navy-850: #0a1a30;
  --navy-800: #0d213c;
  --navy-700: #15355a;
  --gold: #d8ad45;
  --gold-light: #f0cf75;
  --gold-dark: #9f7522;
  --text: #f5f7fa;
  --muted: #aeb9c9;
  --muted-strong: #cbd3dd;
  --line: rgba(168, 190, 220, 0.14);
  --line-gold: rgba(216, 173, 69, 0.28);
  --surface: rgba(12, 31, 55, 0.68);
  --surface-strong: #0b1d35;
  --shadow: 0 28px 80px rgba(0, 0, 0, 0.34);
  --radius: 24px;
  --radius-sm: 14px;
  --max: 1180px;
  --header-height: 78px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: calc(var(--header-height) + 24px); }
body {
  margin: 0;
  min-height: 100vh;
  color: var(--text);
  background: var(--navy-950);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 16px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}
body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  background: radial-gradient(circle at 78% 6%, rgba(27, 74, 122, 0.25), transparent 31%), linear-gradient(180deg, #061222 0, var(--navy-950) 42rem);
  pointer-events: none;
}
img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button, input, select, textarea { font: inherit; }
button { cursor: pointer; }
button:disabled { cursor: not-allowed; opacity: .65; }
.container { width: min(calc(100% - 40px), var(--max)); margin-inline: auto; }
.narrow { max-width: 800px; }
.screen-reader-only, .hp { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0; }
.skip-link { position: fixed; left: 16px; top: -80px; z-index: 200; padding: 12px 18px; background: var(--gold-light); color: var(--navy-950); border-radius: 0 0 8px 8px; font-weight: 800; }
.skip-link:focus { top: 0; }

.site-header { position: sticky; top: 0; z-index: 50; height: var(--header-height); background: rgba(3, 10, 19, .9); border-bottom: 1px solid var(--line); backdrop-filter: blur(18px); }
.header-inner { height: 100%; display: flex; align-items: center; justify-content: space-between; gap: 28px; }
.brand { display: inline-flex; align-items: center; flex: 0 0 auto; }
.site-logo { width: 174px; height: auto; }
.primary-nav { display: flex; align-items: center; gap: 30px; }
.primary-nav a { position: relative; color: var(--muted-strong); font-size: .9rem; font-weight: 650; letter-spacing: .02em; transition: color 160ms ease; }
.primary-nav a:not(.nav-cta)::after { content: ""; position: absolute; left: 0; right: 100%; bottom: -9px; height: 1px; background: var(--gold); transition: right 160ms ease; }
.primary-nav a:hover, .primary-nav a:focus-visible, .primary-nav a[aria-current="page"] { color: var(--gold-light); }
.primary-nav a:hover::after, .primary-nav a:focus-visible::after, .primary-nav a[aria-current="page"]::after { right: 0; }
.nav-cta { padding: 10px 18px; border: 1px solid var(--line-gold); border-radius: 999px; color: var(--gold-light) !important; background: rgba(216, 173, 69, .07); }
.nav-toggle { display: none; padding: 10px 15px; color: var(--text); background: transparent; border: 1px solid var(--line); border-radius: 10px; }

h1, h2, h3, p { margin-top: 0; }
h1, h2, h3 { color: var(--text); line-height: 1.12; }
h1, .section-title, .cta-block h2 { font-family: Georgia, Cambria, "Times New Roman", serif; letter-spacing: -.035em; }
h1 { margin-bottom: 24px; font-size: clamp(3.1rem, 6.2vw, 5.9rem); max-width: 11ch; }
h2 { font-size: clamp(1.85rem, 3vw, 2.8rem); }
h3 { font-size: 1.18rem; }
p { color: var(--muted); }
.eyebrow { margin-bottom: 18px; color: var(--gold); font-size: .76rem; font-weight: 800; letter-spacing: .22em; text-transform: uppercase; }
.eyebrow::before { content: ""; display: inline-block; width: 24px; height: 1px; margin: 0 10px 4px 0; background: var(--gold); }
.lead { color: var(--muted-strong); font-size: 1.12rem; line-height: 1.72; }
.section { padding: 106px 0; border-top: 1px solid var(--line); }
.section-header { margin-bottom: 44px; }
.section-title { margin: 0 0 22px; font-size: clamp(2.5rem, 4.6vw, 4.3rem); max-width: 15ch; }
.split-heading { display: grid; grid-template-columns: 1.25fr .75fr; gap: 64px; align-items: end; }
.split-heading > p { margin-bottom: 22px; max-width: 52ch; }
.centered-heading { max-width: 760px; margin-inline: auto; text-align: center; }
.centered-heading .section-title { margin-inline: auto; max-width: 18ch; }

.hero { min-height: calc(100vh - var(--header-height)); display: grid; align-items: center; padding: 88px 0 92px; overflow: hidden; }
.hero-grid { display: grid; grid-template-columns: 1.05fr .95fr; gap: 72px; align-items: center; }
.hero-copy { max-width: 680px; }
.hero-text { max-width: 59ch; margin-bottom: 0; color: var(--muted-strong); font-size: 1.12rem; }
.button-row { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 32px; }
.button { display: inline-flex; align-items: center; justify-content: center; min-height: 50px; padding: 0 23px; border: 1px solid transparent; border-radius: 8px; font-size: .9rem; font-weight: 800; letter-spacing: .02em; transition: transform 160ms ease, border-color 160ms ease, background 160ms ease; }
.button.primary { color: #08111e; background: linear-gradient(135deg, var(--gold-light), var(--gold)); box-shadow: 0 12px 34px rgba(216, 173, 69, .14); }
.button.secondary { color: var(--text); background: rgba(255,255,255,.025); border-color: var(--line); }
.button:hover, .button:focus-visible { transform: translateY(-2px); }
.button.secondary:hover { border-color: var(--line-gold); }
.signal-list { display: flex; flex-wrap: wrap; gap: 10px 24px; margin: 34px 0 0; padding: 25px 0 0; border-top: 1px solid var(--line); list-style: none; }
.signal-list li { color: var(--muted); font-size: .84rem; }
.signal-list li::before { content: "◆"; margin-right: 8px; color: var(--gold); font-size: .56rem; }

.system-visual { position: relative; min-height: 520px; padding: 34px; overflow: hidden; background: linear-gradient(145deg, rgba(13, 40, 71, .9), rgba(5, 16, 30, .8)); border: 1px solid var(--line-gold); box-shadow: var(--shadow); }
.system-visual::after { content: ""; position: absolute; inset: 12px; border: 1px solid rgba(255,255,255,.035); pointer-events: none; }
.visual-glow { position: absolute; width: 330px; height: 330px; right: -90px; top: -110px; background: radial-gradient(circle, rgba(216,173,69,.22), transparent 65%); }
.visual-label { position: relative; z-index: 1; color: var(--gold); font-size: .7rem; font-weight: 800; letter-spacing: .2em; text-transform: uppercase; }
.system-map { position: relative; height: 320px; }
.system-node { position: absolute; z-index: 2; display: grid; padding: 15px 17px; background: rgba(4, 13, 25, .88); border: 1px solid var(--line); box-shadow: 0 15px 34px rgba(0,0,0,.28); }
.system-node span { margin-bottom: 12px; color: var(--gold); font-size: .67rem; letter-spacing: .14em; }
.system-node strong { font-family: Georgia, serif; font-size: 1rem; }
.system-node small { margin-top: 3px; color: var(--muted); }
.node-input { top: 40px; left: 0; width: 145px; }
.node-core { top: 116px; left: 50%; width: 178px; transform: translateX(-50%); padding: 27px; border-color: var(--line-gold); }
.node-core span { display: grid; place-items: center; width: 34px; height: 34px; border: 1px solid var(--gold); transform: rotate(45deg); }
.node-core span::first-letter { transform: rotate(-45deg); }
.node-output { right: 0; bottom: 28px; width: 145px; }
.system-line { position: absolute; z-index: 1; height: 1px; background: linear-gradient(90deg, var(--gold), rgba(216,173,69,.05)); transform-origin: left; }
.line-one { width: 185px; top: 110px; left: 105px; transform: rotate(21deg); }
.line-two { width: 190px; top: 218px; left: 56%; transform: rotate(21deg); }
.visual-metrics { display: grid; grid-template-columns: repeat(3,1fr); gap: 12px; position: relative; z-index: 2; }
.visual-metrics div { padding-top: 12px; border-top: 1px solid var(--line); }
.visual-metrics strong, .visual-metrics span { display: block; }
.visual-metrics strong { color: var(--gold-light); font-size: .8rem; }
.visual-metrics span { color: var(--muted); font-size: .68rem; }

.proof-strip { border-block: 1px solid var(--line); background: rgba(8, 25, 45, .65); }
.proof-grid { display: grid; grid-template-columns: repeat(4,1fr); }
.proof-grid p { margin: 0; padding: 22px; border-right: 1px solid var(--line); color: var(--muted-strong); font-size: .8rem; text-transform: uppercase; letter-spacing: .1em; }
.proof-grid p:first-child { border-left: 1px solid var(--line); }
.proof-grid span { margin-right: 10px; color: var(--gold); font-size: .68rem; }

.cards { display: grid; gap: 20px; }
.cards.three { grid-template-columns: repeat(3,minmax(0,1fr)); }
.cards.two { grid-template-columns: repeat(2,minmax(0,1fr)); }
.card, .venture-card, .support-aside { position: relative; padding: 33px; background: linear-gradient(150deg, rgba(16, 43, 74, .5), rgba(7, 20, 37, .52)); border: 1px solid var(--line); border-radius: var(--radius-sm); }
.card::after { content: ""; position: absolute; left: 32px; right: 32px; bottom: 0; height: 1px; background: linear-gradient(90deg, transparent, var(--gold), transparent); opacity: 0; transition: opacity 180ms ease; }
.card:hover { border-color: var(--line-gold); }
.card:hover::after { opacity: .7; }
.card-number { display: block; margin-bottom: 34px; color: var(--gold); font-family: Georgia, serif; font-size: .82rem; }
.card h3 { margin-bottom: 14px; }
.card p { margin-bottom: 0; }
.service-card ul { display: grid; gap: 8px; margin: 25px 0 0; padding: 20px 0 0; border-top: 1px solid var(--line); list-style: none; }
.service-card li { color: var(--muted); font-size: .85rem; }
.service-card li::before { content: "+"; margin-right: 9px; color: var(--gold); }
.featured-card { background: linear-gradient(145deg, rgba(27, 60, 98, .62), rgba(9, 25, 45, .8)); border-color: var(--line-gold); }

.product-section, .product-detail { background: linear-gradient(180deg, rgba(11, 30, 53, .76), rgba(5, 14, 26, .82)); }
.product-grid { display: grid; grid-template-columns: .86fr 1.14fr; gap: 78px; align-items: center; }
.product-copy .lead { margin-bottom: 20px; }
.feature-list { display: flex; flex-wrap: wrap; gap: 8px; margin: 30px 0; }
.feature-list span { padding: 8px 12px; color: var(--muted-strong); background: rgba(255,255,255,.025); border: 1px solid var(--line); font-size: .76rem; }
.text-link { display: inline-flex; gap: 10px; align-items: center; color: var(--gold-light); font-size: .88rem; font-weight: 800; }
.text-link span { transition: transform 160ms ease; }
.text-link:hover span { transform: translateX(4px); }
.product-interface { overflow: hidden; background: #071528; border: 1px solid var(--line-gold); box-shadow: var(--shadow); transform: perspective(1200px) rotateY(-3deg); }
.interface-top { display: flex; align-items: center; gap: 7px; height: 44px; padding: 0 15px; border-bottom: 1px solid var(--line); }
.interface-top > span { width: 7px; height: 7px; border-radius: 50%; background: var(--navy-700); }
.interface-top > span:first-child { background: var(--gold); }
.interface-top strong { margin-left: 8px; color: var(--muted-strong); font-size: .68rem; letter-spacing: .05em; }
.interface-body { display: grid; grid-template-columns: 62px 1fr; min-height: 360px; }
.interface-nav { display: grid; align-content: start; gap: 24px; padding: 28px 19px; background: #05101e; border-right: 1px solid var(--line); }
.interface-nav i { width: 23px; height: 5px; background: var(--navy-700); }
.interface-nav i:first-child { background: var(--gold); }
.interface-content { padding: 30px; }
.interface-stat { position: relative; display: grid; padding: 22px; background: rgba(255,255,255,.025); border: 1px solid var(--line); }
.interface-stat small { color: var(--muted); }
.interface-stat strong { margin-top: 7px; font-family: Georgia, serif; font-size: 1.35rem; }
.status-dot { position: absolute; right: 20px; top: 25px; color: #77c8a4; font-size: .7rem; }
.status-dot::before { content: ""; display: inline-block; width: 6px; height: 6px; margin-right: 6px; border-radius: 50%; background: #77c8a4; }
.interface-chart { height: 135px; display: flex; gap: 12px; align-items: end; padding: 25px 20px 0; margin-top: 18px; border: 1px solid var(--line); border-bottom: 0; }
.interface-chart i { flex: 1; height: 35%; background: linear-gradient(180deg, var(--gold), rgba(216,173,69,.14)); }
.interface-chart i:nth-child(2) { height: 54%; }.interface-chart i:nth-child(3) { height: 43%; }.interface-chart i:nth-child(4) { height: 75%; }.interface-chart i:nth-child(5) { height: 62%; }.interface-chart i:nth-child(6) { height: 88%; }.interface-chart i:nth-child(7) { height: 71%; }
.interface-rows { display: grid; gap: 10px; padding: 18px; border: 1px solid var(--line); }
.interface-rows i { height: 5px; background: linear-gradient(90deg, var(--navy-700) 22%, transparent 22% 27%, rgba(168,190,220,.12) 27%); }

.approach-section { background: var(--navy-950); }
.approach-grid { display: grid; grid-template-columns: repeat(4,1fr); margin: 58px 0 0; padding: 0; list-style: none; counter-reset: approach; }
.approach-grid li { position: relative; padding: 34px 27px 18px; border-top: 1px solid var(--line-gold); border-right: 1px solid var(--line); }
.approach-grid li:first-child { border-left: 1px solid var(--line); }
.approach-grid li::before { content: ""; position: absolute; width: 7px; height: 7px; left: 26px; top: -4px; background: var(--gold); transform: rotate(45deg); }
.approach-grid span { display: block; margin-bottom: 35px; color: var(--gold); font-size: .69rem; }
.approach-grid h3 { min-height: 2.5em; }
.approach-grid p { margin-bottom: 0; font-size: .88rem; }
.technology-section { background: linear-gradient(135deg, rgba(13, 41, 72, .72), rgba(5, 15, 28, .72)); }
.technology-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 80px; align-items: center; }
.tech-list { display: grid; grid-template-columns: repeat(2,1fr); border-top: 1px solid var(--line); border-left: 1px solid var(--line); }
.tech-list span { padding: 22px; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); color: var(--muted-strong); font-size: .84rem; }
.tech-list span::before { content: "◇"; margin-right: 10px; color: var(--gold); }
.technology-stack { margin: 20px 0 0; color: var(--muted-strong); font-size: .78rem; line-height: 1.9; letter-spacing: .035em; }
.technology-stack b { padding: 0 4px; color: var(--gold); font-weight: 400; }

.founder-section, .founder-detail { background: #050e1b; }
.founder-grid { display: grid; grid-template-columns: .62fr 1.38fr; gap: 80px; align-items: center; max-width: 1020px; }
.founder-mark { position: relative; display: grid; place-items: center; aspect-ratio: 1; max-width: 330px; background: radial-gradient(circle at 50% 34%, rgba(38,82,132,.76), rgba(5,15,28,.95) 70%); border: 1px solid var(--line-gold); }
.founder-mark::before, .founder-mark::after { content: ""; position: absolute; inset: 17px; border: 1px solid var(--line); }
.founder-mark::after { inset: 45px; transform: rotate(45deg); border-color: var(--line-gold); }
.founder-mark span { z-index: 1; color: var(--gold-light); font-family: Georgia, serif; font-size: clamp(3rem, 7vw, 5.5rem); }
.founder-mark small { position: absolute; z-index: 2; bottom: 24px; color: var(--muted); font-size: .62rem; letter-spacing: .2em; text-transform: uppercase; }
.founder-mark.large { max-width: 380px; }
.founder-copy .section-title { margin-bottom: 4px; }
.founder-role { margin-bottom: 22px; color: var(--gold); font-size: .84rem; font-weight: 800; letter-spacing: .08em; text-transform: uppercase; }
.founder-copy .text-link { margin-top: 8px; }
.founder-copy .button { margin-top: 12px; }

.cta-panel { padding: 80px 0; border-top: 1px solid var(--line-gold); background: linear-gradient(90deg, rgba(16,48,82,.8), rgba(6,19,35,.9)); }
.cta-block { display: flex; align-items: center; justify-content: space-between; gap: 40px; }
.cta-block h2 { max-width: 18ch; margin-bottom: 0; font-size: clamp(2.1rem,4vw,3.7rem); }

.page-hero { padding: 126px 0 96px; background: linear-gradient(135deg, rgba(11,35,63,.75), transparent 70%); border-bottom: 1px solid var(--line); }
.page-hero.compact { padding: 100px 0 75px; }
.page-hero-grid { display: grid; grid-template-columns: 1.05fr .95fr; gap: 70px; align-items: end; }
.page-hero h1 { margin-bottom: 0; font-size: clamp(3.2rem,6vw,5.3rem); }
.page-lead { margin-bottom: 10px; color: var(--muted-strong); font-size: 1.18rem; }
.story-grid { display: grid; grid-template-columns: .9fr 1.1fr; gap: 90px; }
.story-grid .section-title { max-width: 12ch; }
.values-section { background: rgba(8,25,45,.58); }
.contact-grid { display: grid; grid-template-columns: 1.05fr .95fr; gap: 70px; align-items: start; }
.contact-primary { max-width: 650px; }
.contact-primary .button { margin-top: 12px; }
.contact-note { max-width: 58ch; margin-top: 26px; padding-top: 20px; border-top: 1px solid var(--line); font-size: .84rem; }
.contact-aside { padding: 34px; background: var(--surface); border: 1px solid var(--line-gold); }
.contact-aside h2 { margin-bottom: 28px; }
.contact-aside ol { display: grid; gap: 0; margin: 0; padding: 0; list-style: none; }
.contact-aside li { display: grid; grid-template-columns: 42px 1fr; gap: 12px; padding: 19px 0; border-top: 1px solid var(--line); }
.contact-aside li > span { color: var(--gold); font-size: .72rem; }
.contact-aside strong { display: block; margin-bottom: 3px; }
.contact-aside p { margin: 0; font-size: .85rem; }
.inquiry-section { background: rgba(8,25,45,.58); }
.secondary-venture { padding: 65px 0; }
.secondary-grid { display: flex; justify-content: space-between; gap: 60px; align-items: center; }
.secondary-grid > div { max-width: 650px; }

.centered-copy { max-width: 760px; margin-inline: auto; text-align: center; }
.center-buttons { justify-content: center; }
.dark-panel, .venture-panel { background: rgba(8,25,45,.58); }
.split { display: grid; grid-template-columns: 1.1fr .9fr; gap: 50px; }
.philosophy-list { display: grid; gap: 18px; }
.philosophy-list div { padding: 25px; border: 1px solid var(--line); background: var(--surface); }
.venture-status { display: inline-flex; padding: 7px 11px; color: var(--gold); border: 1px solid var(--line-gold); font-size: .7rem; text-transform: uppercase; letter-spacing: .12em; }
.venture-status.muted { color: var(--muted); border-color: var(--line); }
.venture-brand { margin: 20px 0 8px; font-family: Georgia, serif; font-size: 2rem; }
.external-note { font-size: .78rem; }

.form-layout { display: grid; grid-template-columns: 1.25fr .75fr; gap: 42px; align-items: start; }
.support-form { display: grid; gap: 17px; }
.support-form label { display: grid; gap: 7px; color: var(--muted-strong); font-size: .88rem; }
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.support-form input, .support-form select, .support-form textarea { width: 100%; min-height: 50px; padding: 13px 15px; color: var(--text); background: rgba(255,255,255,.025); border: 1px solid var(--line); border-radius: 6px; }
.support-form .hp { width: 1px; min-height: 1px; padding: 0; }
.support-form select option { background: var(--navy-900); }
.support-form textarea { min-height: 170px; resize: vertical; }
.checkbox { grid-template-columns: auto 1fr !important; gap: 12px !important; padding: 15px; border: 1px solid var(--line); }
.checkbox input { width: auto; min-height: auto; }
.form-status { min-height: 30px; color: var(--muted-strong); }
.form-status.status-error { color: #f2a28e; }
.form-status.status-success { color: #82d5ad; }
.support-aside h2, .support-aside h3 { margin-top: 0; }
.support-aside h3 { margin-top: 26px; }

.legal { padding: 70px 0 100px; }
.legal h2 { margin-top: 48px; }
.legal h3 { margin-top: 30px; }
.legal-toc { margin-bottom: 38px; padding: 25px; background: var(--surface); border: 1px solid var(--line); }
.legal-toc h2 { margin: 0 0 16px; }
.legal-toc ul { display: grid; gap: 8px; margin: 0; padding: 0; list-style: none; }
.legal-toc a { color: var(--gold-light); }
.legal-notice { padding: 20px; border-left: 3px solid var(--gold); background: rgba(216,173,69,.08); }

.site-footer { background: #02070d; }
.footer-grid { display: grid; grid-template-columns: 1.5fr .75fr .85fr; gap: 65px; padding: 65px 0 38px; }
.footer-branding { display: block !important; }
.footer-logo { width: 220px; }
.footer-copy { max-width: 350px; margin: 20px 0 0; }
.footer-grid > div { display: grid; align-content: start; gap: 10px; }
.footer-grid h2 { margin: 0 0 10px; color: var(--gold); font-size: .72rem; letter-spacing: .17em; text-transform: uppercase; }
.footer-grid a:not(.brand) { width: fit-content; color: var(--muted); font-size: .86rem; }
.footer-grid a:hover, .footer-grid a:focus-visible { color: var(--gold-light); }
.footer-bottom { display: flex; justify-content: space-between; gap: 25px; padding: 24px 0 34px; border-top: 1px solid var(--line); }
.footer-bottom p { margin: 0; color: #77869a; font-size: .76rem; }

a:focus-visible, button:focus-visible, input:focus, select:focus, textarea:focus { outline: 3px solid rgba(240,207,117,.62); outline-offset: 3px; }

@media (max-width: 1000px) {
  .hero-grid, .product-grid, .technology-grid, .page-hero-grid, .story-grid, .founder-grid, .contact-grid, .split-heading, .form-layout, .split { grid-template-columns: 1fr; }
  .hero-grid, .product-grid, .technology-grid, .story-grid, .founder-grid, .contact-grid { gap: 52px; }
  .hero { min-height: auto; }
  .hero-copy { max-width: 760px; }
  .system-visual { width: min(100%, 620px); margin-inline: auto; }
  .cards.three { grid-template-columns: repeat(2,minmax(0,1fr)); }
  .service-grid .card:last-child { grid-column: 1 / -1; }
  .approach-grid { grid-template-columns: repeat(2,1fr); }
  .approach-grid li:nth-child(3) { border-left: 1px solid var(--line); }
  .product-interface { transform: none; }
  .founder-mark { width: min(100%, 350px); }
  .footer-grid { grid-template-columns: 1.25fr .75fr .75fr; gap: 35px; }
}

@media (max-width: 760px) {
  :root { --header-height: 70px; }
  .container { width: min(calc(100% - 30px), var(--max)); }
  .site-logo { width: 150px; }
  .nav-toggle { display: inline-flex; }
  .primary-nav { position: fixed; inset: var(--header-height) 0 auto; display: none; flex-direction: column; align-items: stretch; gap: 0; padding: 18px 20px 25px; background: rgba(3,10,19,.98); border-bottom: 1px solid var(--line); }
  .primary-nav.open { display: flex; }
  .primary-nav a { padding: 14px 4px; border-bottom: 1px solid var(--line); }
  .primary-nav a::after { display: none; }
  .nav-cta { margin-top: 10px; text-align: center; }
  .hero { padding: 74px 0; }
  h1 { font-size: clamp(2.8rem,13vw,4.3rem); }
  .section, .page-hero { padding: 78px 0; }
  .proof-grid { grid-template-columns: repeat(2,1fr); }
  .proof-grid p:nth-child(3) { border-left: 1px solid var(--line); }
  .cards.three, .cards.two { grid-template-columns: 1fr; }
  .service-grid .card:last-child { grid-column: auto; }
  .approach-grid { grid-template-columns: 1fr; }
  .approach-grid li { border-left: 1px solid var(--line); }
  .tech-list { grid-template-columns: 1fr; }
  .cta-block, .secondary-grid { align-items: flex-start; flex-direction: column; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .footer-branding { grid-column: 1 / -1; }
  .footer-bottom { flex-direction: column; }
}

@media (max-width: 520px) {
  .button-row { flex-direction: column; }
  .button { width: 100%; }
  .system-visual { min-height: 450px; padding: 24px; }
  .system-map { height: 275px; }
  .node-input, .node-output { width: 122px; }
  .node-core { width: 150px; top: 100px; padding: 20px; }
  .node-output { bottom: 15px; }
  .line-one { width: 135px; left: 80px; }
  .line-two { width: 125px; }
  .visual-metrics { gap: 6px; }
  .proof-grid { grid-template-columns: 1fr; }
  .proof-grid p { border-left: 1px solid var(--line); }
  .approach-grid li, .card, .contact-aside, .support-aside { padding: 26px 22px; }
  .interface-body { grid-template-columns: 44px 1fr; min-height: 310px; }
  .interface-nav { padding: 23px 11px; }
  .interface-content { padding: 16px; }
  .status-dot { position: static; margin-top: 8px; }
  .founder-grid { gap: 38px; }
  .field-row { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-branding { grid-column: auto; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; scroll-behavior: auto !important; }
}

@media print {
  body { color: #111; background: #fff; }
  body::before, .site-header, .site-footer, .button, .system-visual, .product-interface, .founder-mark, .support-aside, .legal-toc { display: none; }
  p { color: #333; }
  .container { width: auto; }
}

/* Corporate portfolio additions — built on the existing Nolbro design system. */
.model-grid { grid-template-columns: repeat(5, 1fr); }
.model-grid li { min-height: 250px; }
.model-grid li::after { content: ""; position: absolute; top: 38px; right: -10px; width: 20px; height: 1px; background: var(--gold); opacity: .48; }
.model-grid li:last-child::after { display: none; }
.portfolio-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 28px; }
.portfolio-card { position: relative; overflow: hidden; min-height: 490px; display: flex; flex-direction: column; }
.portfolio-card::before { content: ""; position: absolute; inset: 0 0 auto; height: 2px; background: linear-gradient(90deg, var(--gold), transparent 72%); }
.portfolio-card.market::before { background: linear-gradient(90deg, #6ed8d0, #72a8ff 45%, transparent 82%); }
.portfolio-card .portfolio-status { align-self: flex-start; margin-bottom: 34px; padding: 7px 10px; border: 1px solid var(--line-gold); border-radius: 999px; color: var(--gold-light); font-size: .72rem; font-weight: 800; letter-spacing: .1em; text-transform: uppercase; }
.portfolio-card.market .portfolio-status { color: #a6e9e4; border-color: rgba(110,216,208,.32); }
.portfolio-card h3 { font-size: clamp(2rem, 3vw, 3rem); font-family: Georgia, Cambria, "Times New Roman", serif; }
.portfolio-card .portfolio-category { margin: 8px 0 22px; color: var(--muted); font-size: .88rem; letter-spacing: .08em; text-transform: uppercase; }
.portfolio-card .feature-list { margin-top: 24px; }
.portfolio-card .text-link { margin-top: auto; padding-top: 30px; }
.connection-section { position: relative; overflow: hidden; }
.connection-grid { display: grid; grid-template-columns: .9fr 1.1fr; gap: clamp(44px, 8vw, 110px); align-items: center; }
.connection-line { position: relative; min-height: 360px; border: 1px solid var(--line-gold); background: linear-gradient(145deg, rgba(10,29,51,.9), rgba(5,16,30,.76)); box-shadow: var(--shadow); }
.connection-line::before, .connection-line::after { content: ""; position: absolute; top: 50%; width: 38%; height: 1px; background: linear-gradient(90deg, transparent, var(--gold)); }
.connection-line::before { left: 8%; }.connection-line::after { right: 8%; transform: rotate(180deg); }
.connection-node { position: absolute; top: 50%; transform: translateY(-50%); width: 132px; min-height: 132px; display: grid; place-content: center; text-align: center; padding: 16px; border: 1px solid var(--line-gold); background: var(--surface-strong); }
.connection-node:first-child { left: 5%; }.connection-node:last-child { right: 5%; }
.connection-keystone { position: absolute; z-index: 2; left: 50%; top: 50%; width: 92px; height: 92px; transform: translate(-50%, -50%) rotate(45deg); border: 1px solid var(--gold); background: #08182b; box-shadow: 0 0 46px rgba(216,173,69,.13); }
.connection-keystone span { transform: rotate(-45deg); display: grid; place-items: center; height: 100%; color: var(--gold-light); font: 800 1.35rem Georgia, serif; }
.connection-node strong { color: var(--text); }.connection-node small { color: var(--muted); margin-top: 4px; }
.principle-list { display: grid; gap: 14px; margin-top: 28px; }
.principle-list article { padding: 18px 20px; border-left: 1px solid var(--gold); background: rgba(12,31,55,.45); }
.principle-list h3 { margin: 0 0 5px; font-size: 1rem; }.principle-list p { margin: 0; }
.long-view { border-block: 1px solid var(--line); background: radial-gradient(circle at 80% 25%, rgba(216,173,69,.07), transparent 32rem), rgba(5,16,30,.5); }
.long-view .section-title { max-width: 19ch; }
.story-chapters { display: grid; grid-template-columns: repeat(2, 1fr); gap: 22px; }
.story-chapter { padding: 30px; border-top: 1px solid var(--line-gold); background: rgba(12,31,55,.48); }
.story-chapter h3 { margin-top: 0; font-size: 1.4rem; }.story-chapter p:last-child { margin-bottom: 0; }
.symbol-panel { padding: clamp(28px, 5vw, 54px); border: 1px solid var(--line-gold); background: linear-gradient(145deg, rgba(12,31,55,.82), rgba(5,16,30,.76)); box-shadow: var(--shadow); }
.symbol-panel blockquote { margin: 24px 0 0; color: var(--gold-light); font: 1.35rem/1.5 Georgia, serif; }

@media (max-width: 1100px) {
  .model-grid { grid-template-columns: repeat(3, 1fr); }
  .model-grid li:nth-child(3)::after, .model-grid li:last-child::after { display: none; }
}
@media (max-width: 820px) {
  .portfolio-grid, .connection-grid, .story-chapters { grid-template-columns: 1fr; }
  .portfolio-card { min-height: 0; }
  .connection-line { min-height: 320px; }
  .model-grid { grid-template-columns: repeat(2, 1fr); }
  .model-grid li:nth-child(3)::after { display: block; }
  .model-grid li:nth-child(even)::after { display: none; }
  .model-grid li:last-child { grid-column: 1 / -1; }
}
@media (max-width: 520px) {
  .model-grid { grid-template-columns: 1fr; }
  .model-grid li, .model-grid li:last-child { grid-column: auto; min-height: auto; }
  .model-grid li::after { display: none !important; }
  .connection-line { min-height: 410px; }
  .connection-line::before, .connection-line::after { left: 50%; right: auto; top: 16%; width: 1px; height: 68%; background: linear-gradient(transparent, var(--gold), transparent); }
  .connection-line::after { display: none; }
  .connection-node { left: 50% !important; right: auto !important; transform: translateX(-50%); width: 150px; min-height: 105px; }
  .connection-node:first-child { top: 24px; }.connection-node:last-child { top: auto; bottom: 24px; }
  .connection-keystone { width: 76px; height: 76px; }
}