:root {
  color-scheme: light;
  --navy-950: #081827;
  --navy-900: #0b2033;
  --navy-800: #12314c;
  --blue-700: #285b83;
  --blue-100: #e9f0f5;
  --slate-700: #475b6d;
  --slate-500: #6b7c8a;
  --slate-300: #b9c4cc;
  --slate-200: #d5dde2;
  --slate-100: #e8edf0;
  --paper: #f4f6f7;
  --white: #ffffff;
  --gold: #a77c39;
  --green: #587563;
  --line: #ccd5db;
  --max: 1240px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--navy-950);
  font-family: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", Arial, sans-serif;
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; }
img { display: block; max-width: 100%; }
.skip-link { position: fixed; left: 16px; top: -80px; z-index: 100; padding: 12px 18px; background: var(--white); color: var(--navy-950); border: 1px solid var(--navy-950); }
.skip-link:focus { top: 16px; }

.site-header {
  width: 100%;
  background: #000;
  border-bottom: 1px solid rgba(255,255,255,.16);
}
.header-inner {
  width: min(calc(100% - 48px), var(--max));
  min-height: 88px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 40px;
}
.brand, .footer-brand { display: block; width: 190px; text-decoration: none; }
.brand-crop { display: block; width: 100%; aspect-ratio: 4.72 / 1; overflow: hidden; background: #000; }
.brand-crop img { width: 100%; height: 100%; object-fit: cover; object-position: center; }
nav { display: flex; align-items: center; gap: 28px; }
nav a { color: #b9c7cf; font-size: .82rem; font-weight: 600; text-decoration: none; }
nav a:hover, nav a:focus-visible { color: var(--white); }
nav .nav-cta { padding: 10px 16px; border: 1px solid #7f929e; color: var(--white); }
nav .nav-cta:hover { background: var(--white); color: var(--navy-950); }

.hero {
  width: min(calc(100% - 48px), var(--max));
  min-height: 720px;
  margin: 0 auto;
  padding: 86px 0 96px;
  display: grid;
  grid-template-columns: .92fr 1.08fr;
  gap: 72px;
  align-items: center;
  background: var(--navy-950);
  box-shadow: 0 0 0 100vmax var(--navy-950);
  clip-path: inset(0 -100vmax);
}
.eyebrow {
  margin: 0 0 22px;
  color: var(--blue-700);
  font-size: .72rem;
  font-weight: 750;
  letter-spacing: .15em;
  text-transform: uppercase;
}
h1, h2, h3 {
  margin-top: 0;
  color: var(--navy-950);
  font-weight: 620;
  letter-spacing: -.035em;
}
h1 {
  max-width: 720px;
  margin-bottom: 28px;
  font-size: clamp(3.6rem, 6.3vw, 6rem);
  line-height: .98;
}
.hero h1, .product-hero h1 { color: var(--white); }
.hero .eyebrow, .product-hero .eyebrow { color: #8fb3c5; }
.hero-summary {
  max-width: 680px;
  margin: 0 0 34px;
  color: var(--slate-700);
  font-size: clamp(1.05rem, 1.5vw, 1.22rem);
  line-height: 1.7;
}
.hero .hero-summary, .product-hero .hero-summary { color: #bdcad1; }
.hero-actions { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; }
.button {
  min-height: 52px;
  padding: 0 20px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 18px;
  border: 1px solid transparent;
  border-radius: 2px;
  text-decoration: none;
  font-size: .84rem;
  font-weight: 700;
  transition: background 150ms ease, color 150ms ease, border-color 150ms ease;
}
.button:focus-visible, .text-link:focus-visible { outline: 3px solid rgba(40, 91, 131, .28); outline-offset: 3px; }
.button-primary { background: var(--navy-900); color: var(--white); border-color: var(--navy-900); }
.button-primary:hover { background: var(--navy-800); }
.button-secondary { border-color: var(--slate-300); color: var(--navy-900); background: var(--white); }
.button-secondary:hover { border-color: var(--navy-800); }
.release-note { margin: 17px 0 0; color: var(--slate-500); font-size: .78rem; }
.hero .button-primary, .product-hero .button-primary { background: var(--white); color: var(--navy-950); border-color: var(--white); }
.hero .button-primary:hover, .product-hero .button-primary:hover { background: #dce6eb; }
.hero .button-secondary, .product-hero .button-secondary { border-color: #607786; color: var(--white); background: transparent; }
.hero .button-secondary:hover, .product-hero .button-secondary:hover { border-color: #b5c5cd; background: rgba(255,255,255,.05); }
.hero .release-note, .product-hero .release-note { color: #8297a4; }

.control-visual { position: relative; margin: 0; filter: drop-shadow(0 28px 50px rgba(0,0,0,.32)); }
.control-visual::before { content: ""; position: absolute; inset: -18px 28px 18px -18px; border: 1px solid rgba(121,170,187,.25); z-index: -1; }
.control-visual svg { width: 100%; height: auto; display: block; border: 1px solid rgba(255,255,255,.13); }
.control-visual figcaption { margin-top: 12px; color: #718793; font-size: .67rem; letter-spacing: .11em; text-align: right; text-transform: uppercase; }

.architecture-brief {
  border: 1px solid var(--slate-300);
  background: var(--white);
  box-shadow: 0 22px 55px rgba(8, 24, 39, .09);
}
.brief-heading {
  min-height: 54px;
  padding: 0 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 20px;
  border-bottom: 1px solid var(--line);
  color: var(--slate-500);
  font-size: .68rem;
  font-weight: 700;
  letter-spacing: .1em;
  text-transform: uppercase;
}
.brief-heading span:last-child { color: var(--green); }
.authority-node, .control-node { margin: 22px; padding: 19px 20px; border: 1px solid var(--line); }
.authority-node { border-left: 3px solid var(--gold); }
.control-node { border-left: 3px solid var(--blue-700); background: #f7f9fa; }
.node-label { display: block; margin-bottom: 5px; color: var(--slate-500); font-size: .65rem; font-weight: 700; letter-spacing: .1em; text-transform: uppercase; }
.authority-node strong, .control-node strong { color: var(--navy-900); font-size: .9rem; font-weight: 650; }
.architecture-line { width: 1px; height: 18px; margin: -22px auto; background: var(--slate-300); }
.role-grid { margin: 22px; display: grid; grid-template-columns: repeat(4, 1fr); border-block: 1px solid var(--line); border-left: 1px solid var(--line); }
.role-grid div { min-height: 92px; padding: 14px; display: flex; flex-direction: column; justify-content: space-between; border-right: 1px solid var(--line); }
.role-grid span { color: var(--slate-500); font: .65rem ui-monospace, SFMono-Regular, Menlo, monospace; }
.role-grid strong { color: var(--navy-900); font-size: .78rem; font-weight: 650; }
.evidence-row { display: grid; grid-template-columns: repeat(3, 1fr); border-top: 1px solid var(--line); }
.evidence-row span { padding: 14px 10px; color: var(--slate-500); font-size: .65rem; text-align: center; border-right: 1px solid var(--line); }
.evidence-row span:last-child { border-right: 0; }

.assurance-strip {
  border-block: 1px solid var(--line);
  background: var(--white);
  display: grid;
  grid-template-columns: repeat(4, 1fr);
}
.assurance-strip div { min-height: 102px; padding: 25px max(20px, calc((100vw - var(--max)) / 8)); display: flex; flex-direction: column; justify-content: space-between; border-right: 1px solid var(--line); }
.assurance-strip div:last-child { border-right: 0; }
.assurance-strip span { color: var(--gold); font: .66rem ui-monospace, SFMono-Regular, Menlo, monospace; }
.assurance-strip strong { color: var(--navy-900); font-size: .82rem; font-weight: 650; }

.architecture-section, .principles-section, .release-section, .product-description, .release-record, .product-cta {
  width: min(calc(100% - 48px), var(--max));
  margin: 0 auto;
  padding: 120px 0;
}
.architecture-section { display: grid; grid-template-columns: .82fr 1.18fr; gap: 96px; align-items: start; }
.section-heading { max-width: 540px; }
h2 { margin-bottom: 26px; font-size: clamp(2.7rem, 4.7vw, 4.65rem); line-height: 1.04; }
.section-heading > p:last-child, .release-copy > p:not(.eyebrow), .release-record > div > p:last-child { color: var(--slate-700); font-size: 1rem; }
.architecture-list { border-top: 1px solid var(--slate-300); }
.architecture-list article { padding: 28px 0; display: grid; grid-template-columns: 48px 1fr; gap: 20px; border-bottom: 1px solid var(--slate-300); }
.item-number { color: var(--gold); font: .68rem ui-monospace, SFMono-Regular, Menlo, monospace; }
.architecture-list h3 { margin: 0 0 8px; font-size: 1.35rem; letter-spacing: -.02em; }
.architecture-list p { margin: 0; color: var(--slate-700); font-size: .92rem; }

.principles-section {
  width: 100%;
  max-width: none;
  padding: 112px max(24px, calc((100vw - var(--max)) / 2));
  background: var(--navy-900);
}
.section-heading.inverse { max-width: 790px; }
.section-heading.inverse h2 { color: var(--white); }
.section-heading.inverse .eyebrow { color: #a8c0d3; }
.section-heading.inverse > p:last-child { max-width: 680px; color: #b8c5ce; }
.principle-grid { margin-top: 66px; display: grid; grid-template-columns: repeat(4, 1fr); border-top: 1px solid rgba(255,255,255,.2); border-left: 1px solid rgba(255,255,255,.2); }
.principle-grid article { min-height: 220px; padding: 26px; border-right: 1px solid rgba(255,255,255,.2); border-bottom: 1px solid rgba(255,255,255,.2); }
.principle-icon { width: 48px; height: 48px; margin-bottom: 48px; color: #92b3c3; }
.principle-icon svg { width: 100%; height: 100%; fill: none; stroke: currentColor; stroke-width: 1.7; stroke-linecap: round; stroke-linejoin: round; }
.principle-grid h3 { margin-bottom: 14px; color: var(--white); font-size: 1.3rem; font-weight: 600; }
.principle-grid p { margin: 0; color: #b8c5ce; font-size: .88rem; }

.release-section { display: grid; grid-template-columns: 1fr .85fr; gap: 96px; align-items: start; }
.release-copy { max-width: 650px; }
.release-copy h2 { font-size: clamp(2.8rem, 4.4vw, 4.4rem); }
.text-link { display: inline-flex; align-items: center; gap: 10px; color: var(--navy-900); font-size: .85rem; font-weight: 650; text-decoration: none; }
.text-link:hover { color: var(--blue-700); }
.release-facts, .release-record dl { margin: 0; border-top: 2px solid var(--navy-900); }
.release-facts div, .release-record dl div { padding: 16px 0; display: flex; justify-content: space-between; gap: 30px; border-bottom: 1px solid var(--slate-300); }
dt { color: var(--slate-500); font-size: .78rem; }
dd { margin: 0; color: var(--navy-900); font-size: .84rem; font-weight: 650; text-align: right; }
dd a { text-decoration: none; }
dd a:hover { color: var(--blue-700); }

footer {
  width: min(calc(100% - 48px), var(--max));
  margin: 0 auto;
  padding: 46px 0;
  display: grid;
  grid-template-columns: 210px 1fr auto;
  gap: 48px;
  align-items: end;
  border-top: 1px solid rgba(255,255,255,.14);
  background: #000;
  box-shadow: 0 0 0 100vmax #000;
  clip-path: inset(0 -100vmax);
}
.footer-copy p { margin: 0; color: #738894; font-size: .76rem; }
.footer-copy p:first-child { margin-bottom: 5px; color: #b9c7cf; }
.footer-links { display: flex; gap: 24px; }
.footer-links a { color: #9bafb9; font-size: .78rem; text-decoration: none; }
.footer-links a:hover { color: var(--white); }

.product-main { width: 100%; }
.product-hero {
  width: min(calc(100% - 48px), var(--max));
  min-height: 680px;
  margin: 0 auto;
  padding: 82px 0;
  display: grid;
  grid-template-columns: 1.08fr .92fr;
  gap: 86px;
  align-items: center;
  background: var(--navy-950);
  box-shadow: 0 0 0 100vmax var(--navy-950);
  clip-path: inset(0 -100vmax);
}
.product-hero h1 { max-width: 760px; font-size: clamp(3.4rem, 5.7vw, 5.4rem); }
.product-hero h1 em { color: var(--blue-700); font-style: normal; }
.signal { margin: 0 0 24px; color: var(--green); font-size: .72rem; font-weight: 750; letter-spacing: .12em; text-transform: uppercase; }
.signal span { display: inline-block; width: 7px; height: 7px; margin-right: 9px; border-radius: 50%; background: var(--green); }
.release-panel { border: 1px solid #486273; background: #0c1d2b; box-shadow: 0 24px 54px rgba(0, 0, 0, .32); }
.release-panel-heading { min-height: 50px; padding: 0 20px; border-bottom: 1px solid #334b5a; color: #a9bbc5; font-size: .68rem; font-weight: 750; letter-spacing: .12em; text-transform: uppercase; display: flex; align-items: center; justify-content: space-between; gap: 20px; }
.release-panel-heading span:last-child { color: #83a995; }
.release-panel-subhead { min-height: 42px; border-top: 1px solid #334b5a; }
.release-panel dl { margin: 0; }
.release-panel dl div { padding: 11px 20px; display: flex; justify-content: space-between; gap: 30px; border-bottom: 1px solid #253c4a; }
.release-panel dl div:last-child { border-bottom: 0; }
.release-panel dt { color: #6f8794; }
.release-panel dd { color: #dce5e9; }
.team-topology { padding: 24px 22px 20px; background-image: linear-gradient(rgba(255,255,255,.025) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.025) 1px, transparent 1px); background-size: 24px 24px; }
.operator-node, .orchestrator-node { width: min(78%, 330px); margin: 0 auto; padding: 12px 16px; border-radius: 2px; }
.operator-node { background: #f3f5f6; border-left: 4px solid #b99a5f; }
.operator-node span, .orchestrator-node span { display: block; margin-bottom: 2px; color: #70818b; font-size: .58rem; font-weight: 750; letter-spacing: .12em; text-transform: uppercase; }
.operator-node strong { color: var(--navy-950); font-size: .9rem; }
.orchestrator-node { background: linear-gradient(135deg, #275b73, #184157); border: 1px solid #6e9aae; color: var(--white); }
.orchestrator-node span { color: #a9c4d0; }
.orchestrator-node strong { font-size: .9rem; }
.topology-spine { width: 1px; height: 20px; margin: 0 auto; background: #648398; }
.role-nodes { position: relative; margin-top: 28px; display: grid; grid-template-columns: repeat(4, 1fr); gap: 8px; }
.role-nodes::before { content: ""; position: absolute; left: 12.5%; right: 12.5%; top: -14px; height: 1px; background: #648398; }
.role-nodes div { position: relative; min-height: 64px; padding: 10px; display: flex; flex-direction: column; justify-content: space-between; background: #f3f5f6; }
.role-nodes div::before { content: ""; position: absolute; width: 1px; height: 14px; left: 50%; top: -14px; background: #648398; }
.role-nodes span { color: #80909a; font: .58rem ui-monospace, monospace; }
.role-nodes strong { color: var(--navy-950); font-size: .7rem; }
.topology-status { margin-top: 14px; padding-top: 12px; display: flex; justify-content: space-between; gap: 20px; border-top: 1px solid #334b5a; color: #78909c; font-size: .62rem; letter-spacing: .06em; text-transform: uppercase; }
.product-mark { padding: 34px; border: 1px solid var(--slate-300); background: var(--white); }
.product-mark img { max-width: 240px; margin: 0 auto 24px; border-radius: 50%; }
.product-mark span { display: block; color: var(--slate-500); font: .68rem ui-monospace, SFMono-Regular, Menlo, monospace; text-align: center; letter-spacing: .08em; }
.product-proof { border-block: 1px solid var(--line); background: var(--white); display: grid; grid-template-columns: repeat(4, 1fr); }
.product-proof div { min-height: 112px; padding: 26px max(20px, calc((100vw - var(--max)) / 8)); display: flex; flex-direction: column; justify-content: space-between; border-right: 1px solid var(--line); }
.product-proof div:last-child { border-right: 0; }
.product-proof span { color: var(--slate-500); font-size: .68rem; letter-spacing: .1em; text-transform: uppercase; }
.product-proof strong { color: var(--navy-900); font-size: .88rem; }
.product-description { display: grid; grid-template-columns: .82fr 1.18fr; gap: 96px; }
.capability-list { border-top: 1px solid var(--slate-300); }
.capability-list article { padding: 28px 0; display: grid; grid-template-columns: 48px 1fr; gap: 18px; border-bottom: 1px solid var(--slate-300); }
.capability-list article > span { color: var(--gold); font: .68rem ui-monospace, SFMono-Regular, Menlo, monospace; }
.capability-list h3 { margin: 0 0 7px; font-size: 1.3rem; }
.capability-list p { margin: 0; color: var(--slate-700); font-size: .9rem; }
.release-record { display: grid; grid-template-columns: .75fr 1.25fr; gap: 90px; border-top: 1px solid var(--line); }
.release-record h2 { font-size: clamp(2.6rem, 4vw, 4rem); }
.release-record code { display: block; max-width: 500px; color: var(--navy-800); font-size: .72rem; overflow-wrap: anywhere; }
.record-note { margin: 18px 0 0; color: var(--slate-500); font-size: .75rem; }
.product-cta { margin-bottom: 100px; padding: 52px; display: flex; justify-content: space-between; align-items: end; gap: 50px; border: 1px solid var(--slate-300); background: var(--white); }
.product-cta h2 { max-width: 650px; margin: 0; font-size: clamp(2.4rem, 4vw, 4rem); }

@media (max-width: 960px) {
  .hero, .architecture-section, .release-section, .product-hero, .product-description, .release-record { grid-template-columns: 1fr; }
  .hero { gap: 58px; }
  .architecture-section, .product-description, .release-record { gap: 56px; }
  .principle-grid { grid-template-columns: repeat(2, 1fr); }
  .record-note { margin: 18px 0 0; }
  .product-proof { grid-template-columns: repeat(2, 1fr); }
  .product-proof div:nth-child(2) { border-right: 0; }
  .product-proof div:nth-child(-n+2) { border-bottom: 1px solid var(--line); }
}

@media (max-width: 680px) {
  .header-inner { width: min(calc(100% - 32px), var(--max)); min-height: auto; padding: 18px 0; flex-direction: column; align-items: stretch; gap: 16px; }
  .brand { width: 164px; }
  nav { width: 100%; justify-content: space-between; gap: 10px; overflow-x: auto; }
  nav a { flex: 0 0 auto; font-size: .75rem; }
  nav .nav-cta { padding: 7px 10px; }
  .hero, .architecture-section, .release-section, .product-hero, .product-description, .release-record, .product-cta { width: min(calc(100% - 32px), var(--max)); }
  .hero { min-height: auto; padding: 66px 0 74px; gap: 50px; }
  h1 { font-size: clamp(3.1rem, 15vw, 4.6rem); }
  h2 { font-size: clamp(2.5rem, 12vw, 3.8rem); }
  .hero-actions .button { width: 100%; }
  .role-grid { grid-template-columns: repeat(2, 1fr); }
  .role-grid div:nth-child(-n+2) { border-bottom: 1px solid var(--line); }
  .evidence-row { grid-template-columns: 1fr; }
  .evidence-row span { border-right: 0; border-bottom: 1px solid var(--line); }
  .evidence-row span:last-child { border-bottom: 0; }
  .assurance-strip { grid-template-columns: 1fr; }
  .assurance-strip div { min-height: 84px; border-right: 0; border-bottom: 1px solid var(--line); }
  .assurance-strip div:last-child { border-bottom: 0; }
  .architecture-section, .release-section, .product-description, .release-record { padding: 84px 0; }
  .principles-section { padding-top: 84px; padding-bottom: 84px; }
  .principle-grid { grid-template-columns: 1fr; margin-top: 48px; }
  .principle-grid article { min-height: 180px; }
  .principle-icon { margin-bottom: 34px; }
  .release-facts div, .release-record dl div { flex-direction: column; gap: 7px; }
  dd { text-align: left; }
  footer { width: min(calc(100% - 32px), var(--max)); grid-template-columns: 1fr; gap: 26px; align-items: start; }
  .footer-brand { width: 174px; }
  .product-hero { min-height: auto; padding: 64px 0; }
  .role-nodes { grid-template-columns: repeat(2, 1fr); }
  .role-nodes::before { display: none; }
  .role-nodes div::before { display: none; }
  .product-proof { grid-template-columns: 1fr; }
  .product-proof div { min-height: 92px; border-right: 0; border-bottom: 1px solid var(--line); }
  .product-proof div:last-child { border-bottom: 0; }
  .product-cta { margin-bottom: 78px; padding: 34px 26px; flex-direction: column; align-items: flex-start; }
  .product-cta .button { width: 100%; }
}

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

@media print {
  nav, .hero-actions, .product-cta { display: none; }
  .header-inner { min-height: 64px; }
  .hero, .product-hero { min-height: auto; padding: 48px 0; grid-template-columns: 1fr 1fr; }
  .architecture-section, .product-description, .release-record { padding: 58px 0; }
}