:root {
  color-scheme: dark;
  --ink-950: #071015;
  --ink-900: #0c171d;
  --ink-800: #14242c;
  --paper-100: #f2f0ea;
  --paper-200: #e2e0d9;
  --slate-500: #82919a;
  --brand-blue: #3386b3;
  --brand-slate: #445a69;
  --focus: #72c7f2;
  --rule-dark: rgb(226 224 217 / 16%);
  --rule-light: rgb(7 16 21 / 18%);
  --shell: 1360px;
  --gutter: clamp(1.25rem, 4vw, 4rem);
  --section-space: clamp(6rem, 10vw, 11rem);
  --font-sans: Arial, Helvetica, sans-serif;
  --font-mono: "Cascadia Mono", "SFMono-Regular", Consolas, monospace;
  --ease-out: cubic-bezier(.22, 1, .36, 1);
}

*, *::before, *::after { box-sizing: border-box; }

html {
  background: var(--ink-950);
  scroll-behavior: smooth;
  scroll-padding-top: 5.5rem;
}

body {
  margin: 0;
  min-width: 20rem;
  overflow-x: hidden;
  background: var(--ink-950);
  color: var(--paper-100);
  font-family: var(--font-sans);
  font-size: 1rem;
  line-height: 1.65;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

body.menu-open { overflow: hidden; }

img, svg { display: block; max-width: 100%; }

a { color: inherit; text-decoration-thickness: .08em; text-underline-offset: .22em; }

button, a { -webkit-tap-highlight-color: transparent; }

:focus-visible {
  outline: 3px solid var(--focus);
  outline-offset: 3px;
}

::selection { background: var(--brand-blue); color: var(--ink-950); }

.skip-link {
  position: fixed;
  z-index: 1000;
  top: 1rem;
  left: 1rem;
  padding: .75rem 1rem;
  transform: translateY(-180%);
  background: var(--paper-100);
  color: var(--ink-950);
  font-weight: 700;
  transition: transform .2s ease;
}

.skip-link:focus { transform: translateY(0); }

.page-shell {
  width: min(100%, calc(var(--shell) + (var(--gutter) * 2)));
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.section { padding-block: var(--section-space); }
.section--dark { background: var(--ink-900); }
.section--ink { background: var(--ink-950); }
.section--paper { background: var(--paper-100); color: var(--ink-950); }

.site-header {
  position: fixed;
  z-index: 100;
  inset: 0 0 auto;
  background: rgb(7 16 21 / 96%);
  border-bottom: 1px solid var(--rule-dark);
}

.header-shell {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  width: min(100%, calc(var(--shell) + (var(--gutter) * 2)));
  min-height: 4.75rem;
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.brand {
  display: inline-flex;
  align-items: center;
  width: 11rem;
  min-height: 3rem;
  padding: .35rem 0;
  background: transparent;
  text-decoration: none;
}

.brand img { width: 100%; height: auto; }

.desktop-nav {
  display: flex;
  justify-content: center;
  gap: clamp(1.25rem, 2.5vw, 2.75rem);
}

.desktop-nav a,
.header-cta,
.footer-nav a {
  position: relative;
  padding-block: .7rem;
  color: var(--paper-200);
  font-family: var(--font-mono);
  font-size: .72rem;
  letter-spacing: .09em;
  text-decoration: none;
  text-transform: uppercase;
}

.desktop-nav a::after,
.footer-nav a::after {
  position: absolute;
  right: 0;
  bottom: .4rem;
  left: 0;
  height: 1px;
  content: "";
  transform: scaleX(0);
  transform-origin: right;
  background: var(--brand-blue);
  transition: transform .25s var(--ease-out);
}

.desktop-nav a:hover::after,
.desktop-nav a[aria-current="true"]::after,
.footer-nav a:hover::after { transform: scaleX(1); transform-origin: left; }

.header-cta {
  min-width: 7.5rem;
  padding: .65rem 1rem;
  border: 1px solid var(--brand-blue);
  color: var(--paper-100);
  text-align: center;
  transition: background-color .2s ease, color .2s ease;
}

.header-cta:hover { background: var(--brand-blue); color: var(--ink-950); }

.menu-toggle {
  display: none;
  align-items: center;
  min-width: 5.4rem;
  min-height: 2.9rem;
  padding: .5rem .7rem;
  border: 1px solid var(--rule-dark);
  border-radius: 0;
  background: transparent;
  color: var(--paper-100);
  font: inherit;
}

.menu-toggle__label {
  font-family: var(--font-mono);
  font-size: .72rem;
  letter-spacing: .08em;
  text-transform: uppercase;
}

.menu-toggle__icon { position: relative; width: 1.2rem; height: .8rem; margin-left: auto; }
.menu-toggle__icon i { position: absolute; left: 0; width: 100%; height: 1px; background: currentColor; transition: transform .2s ease, top .2s ease; }
.menu-toggle__icon i:first-child { top: .18rem; }
.menu-toggle__icon i:last-child { top: .62rem; }
.menu-toggle[aria-expanded="true"] .menu-toggle__icon i:first-child { top: .4rem; transform: rotate(45deg); }
.menu-toggle[aria-expanded="true"] .menu-toggle__icon i:last-child { top: .4rem; transform: rotate(-45deg); }

.mobile-nav {
  max-height: calc(100vh - 4.75rem);
  padding: 1rem var(--gutter) 2rem;
  overflow-y: auto;
  background: var(--ink-950);
  border-bottom: 1px solid var(--rule-dark);
}

.mobile-nav[hidden] { display: none; }
.mobile-nav a { display: flex; align-items: center; min-height: 3.75rem; border-bottom: 1px solid var(--rule-dark); font-size: 1.25rem; text-decoration: none; }
.mobile-nav a span { width: 3rem; color: var(--brand-blue); font: .7rem var(--font-mono); }
.mobile-nav .mobile-nav__cta { justify-content: center; margin-top: 1.25rem; border: 1px solid var(--brand-blue); background: var(--brand-blue); color: var(--ink-950); font-weight: 700; }

.hero {
  position: relative;
  min-height: 100svh;
  padding-top: 4.75rem;
  overflow: hidden;
  background:
    linear-gradient(var(--rule-dark) 1px, transparent 1px),
    linear-gradient(90deg, var(--rule-dark) 1px, transparent 1px),
    var(--ink-950);
  background-size: 7.5rem 7.5rem;
  background-position: center;
}

.hero::before {
  position: absolute;
  inset: 0 auto 0 0;
  width: max(var(--gutter), calc((100vw - var(--shell)) / 2));
  content: "";
  background: var(--brand-blue);
  opacity: .08;
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.14fr) minmax(27rem, .86fr);
  gap: clamp(3rem, 6vw, 7rem);
  align-items: center;
  min-height: calc(100svh - 9.5rem);
  padding-block: clamp(4.5rem, 8vw, 8rem) 3rem;
}

.hero-copy { position: relative; z-index: 1; }

.eyebrow {
  display: flex;
  flex-wrap: wrap;
  gap: .55rem 1.25rem;
  align-items: center;
  margin: 0 0 2rem;
  color: var(--slate-500);
  font: .74rem/1.4 var(--font-mono);
  letter-spacing: .09em;
  text-transform: uppercase;
}

.eyebrow span { color: var(--brand-blue); }

h1, h2, h3, p { margin-top: 0; }

h1 {
  max-width: 13ch;
  margin-bottom: 2.25rem;
  font-size: clamp(3.5rem, 6.8vw, 7.2rem);
  font-weight: 500;
  letter-spacing: -.065em;
  line-height: .92;
  text-wrap: balance;
}

.hero-lead {
  max-width: 44rem;
  margin-bottom: 2.5rem;
  color: var(--paper-200);
  font-size: clamp(1.08rem, 1.5vw, 1.35rem);
  line-height: 1.55;
}

.hero-actions { display: flex; flex-wrap: wrap; gap: 1.25rem 2rem; align-items: center; }

.button {
  display: inline-flex;
  gap: 1.5rem;
  align-items: center;
  justify-content: space-between;
  min-height: 3.25rem;
  padding: .85rem 1.1rem;
  border: 1px solid transparent;
  color: inherit;
  font-family: var(--font-mono);
  font-size: .76rem;
  font-weight: 700;
  letter-spacing: .04em;
  text-decoration: none;
  text-transform: uppercase;
  transition: transform .2s var(--ease-out), background-color .2s ease, color .2s ease;
}

.button:hover { transform: translateY(-2px); }
.button--primary { background: var(--brand-blue); color: var(--ink-950); }
.button--primary:hover { background: var(--paper-100); }
.button--light { width: min(100%, 25rem); background: var(--paper-100); color: var(--ink-950); }
.button--light:hover { background: transparent; border-color: var(--paper-100); color: var(--paper-100); }

.text-link { font: .75rem var(--font-mono); letter-spacing: .05em; text-decoration: none; text-transform: uppercase; }
.text-link span { display: inline-block; margin-left: .45rem; color: var(--brand-blue); transition: transform .2s ease; }
.text-link:hover span { transform: translateY(3px); }

.control-plane {
  position: relative;
  align-self: center;
  padding: 1rem;
  border: 1px solid var(--rule-dark);
  background: rgb(7 16 21 / 88%);
}

.control-plane::before,
.control-plane::after {
  position: absolute;
  width: 1.25rem;
  height: 1.25rem;
  content: "";
  border-color: var(--brand-blue);
}

.control-plane::before { top: -1px; left: -1px; border-top: 2px solid var(--brand-blue); border-left: 2px solid var(--brand-blue); }
.control-plane::after { right: -1px; bottom: -1px; border-right: 2px solid var(--brand-blue); border-bottom: 2px solid var(--brand-blue); }

.control-plane__meta,
.control-plane__legend,
.architecture-map figcaption {
  display: flex;
  justify-content: space-between;
  color: var(--slate-500);
  font: .62rem var(--font-mono);
  letter-spacing: .08em;
}

.control-plane__svg { width: 100%; height: auto; margin-block: .75rem; }
.plane-grid path, .arch-grid path { fill: none; stroke: var(--rule-dark); stroke-width: 1; }
.plane-zones rect, .plane-zones path { fill: none; stroke: rgb(226 224 217 / 27%); stroke-width: 1; }
.plane-domain text { fill: var(--slate-500); font: 10px var(--font-mono); letter-spacing: 1.2px; }
.signal-path { fill: none; stroke: var(--brand-blue); stroke-width: 2; vector-effect: non-scaling-stroke; }
.plane-node rect { fill: var(--ink-950); stroke: var(--brand-blue); stroke-width: 2; }
.plane-node text { fill: var(--paper-200); font: 11px var(--font-mono); letter-spacing: .6px; }
.crosshair path, .crosshair circle { fill: var(--ink-950); stroke: var(--paper-200); stroke-width: 1; }

.control-plane__legend { justify-content: flex-start; gap: 1.5rem; }
.control-plane__legend span { display: flex; gap: .45rem; align-items: center; }
.control-plane__legend i { width: .45rem; height: .45rem; border: 1px solid var(--brand-blue); }

.hero-index {
  display: flex;
  justify-content: space-between;
  padding-block: 1.15rem;
  border-top: 1px solid var(--rule-dark);
  color: var(--slate-500);
  font: .62rem var(--font-mono);
  letter-spacing: .1em;
  text-transform: uppercase;
}

.section-marker {
  display: grid;
  grid-template-columns: 2.5rem auto 1fr;
  gap: 1rem;
  align-items: center;
  margin-bottom: clamp(4.5rem, 8vw, 8rem);
  color: var(--slate-500);
  font: .7rem var(--font-mono);
  letter-spacing: .1em;
  text-transform: uppercase;
}

.section-marker span:first-child { color: var(--brand-blue); }
.section-marker i { height: 1px; background: var(--rule-dark); }
.section-marker--dark { color: var(--brand-slate); }
.section-marker--dark i { background: var(--rule-light); }

.display-title {
  margin-bottom: 0;
  font-size: clamp(2.6rem, 5vw, 5.4rem);
  font-weight: 500;
  letter-spacing: -.055em;
  line-height: .97;
  text-wrap: balance;
}

.lead {
  max-width: 43rem;
  font-size: clamp(1.12rem, 1.55vw, 1.35rem);
  line-height: 1.55;
}

.context { padding-bottom: clamp(6rem, 9vw, 9rem); }
.context-grid { display: grid; grid-template-columns: 1.15fr .85fr; gap: clamp(3rem, 9vw, 10rem); align-items: start; }
.context-copy { padding-top: .7rem; color: var(--paper-200); }
.context-copy p:last-child { max-width: 37rem; margin: 2rem 0 0; color: var(--slate-500); }

.dependency-line {
  position: relative;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  margin-top: clamp(5rem, 9vw, 9rem);
  border-top: 1px solid var(--rule-dark);
}

.dependency-line::before { position: absolute; top: -1px; left: 0; width: 33.333%; height: 2px; content: ""; background: var(--brand-blue); }
.dependency-line > div { display: grid; grid-template-columns: 2.25rem 1fr; gap: .4rem .8rem; padding: 1.5rem 1.5rem 0 0; border-right: 1px solid var(--rule-dark); }
.dependency-line > div:last-child { border-right: 0; padding-left: 1.5rem; }
.dependency-line > div:nth-child(2) { padding-left: 1.5rem; }
.dependency-line span { grid-row: 1 / 3; color: var(--brand-blue); font: .65rem var(--font-mono); }
.dependency-line strong { font-size: 1rem; font-weight: 600; }
.dependency-line small { color: var(--slate-500); font-size: .85rem; }

.section-intro { display: grid; grid-template-columns: 1.05fr .95fr; gap: clamp(3rem, 8vw, 9rem); align-items: end; }
.method-intro { margin-bottom: clamp(5rem, 8vw, 8rem); }
.method-intro .lead { margin-bottom: .25rem; color: var(--paper-200); }

.process-rail { display: grid; grid-template-columns: repeat(2, 1fr); gap: 0 clamp(3rem, 8vw, 8rem); margin: 0; padding: 0; list-style: none; counter-reset: steps; }
.process-step { position: relative; display: grid; grid-template-columns: 4.5rem 1fr; gap: 1.25rem; min-height: 12rem; padding: 2rem 0; border-top: 1px solid var(--rule-dark); }
.process-step:nth-child(even) { transform: translateY(3rem); }
.process-step::after { position: absolute; top: -4px; left: 0; width: 7px; height: 7px; content: ""; background: var(--brand-blue); }
.process-step__number { color: var(--brand-blue); font: .72rem var(--font-mono); }
.process-step h3 { margin-bottom: .85rem; font-size: clamp(1.6rem, 2.6vw, 2.5rem); font-weight: 500; letter-spacing: -.035em; }
.process-step p { max-width: 30rem; margin-bottom: 0; color: var(--slate-500); }

.services-intro { margin-bottom: clamp(4.5rem, 8vw, 8rem); }
.services-intro .lead { margin-bottom: 0; color: var(--brand-slate); }

.service-index { border-top: 1px solid var(--rule-light); }
.service-row { display: grid; grid-template-columns: 4rem minmax(13rem, .72fr) 1fr auto; gap: clamp(1rem, 3vw, 3rem); align-items: baseline; padding: 1.65rem 0; border-bottom: 1px solid var(--rule-light); }
.service-row__number, .service-row__tag { font: .68rem var(--font-mono); letter-spacing: .07em; text-transform: uppercase; }
.service-row__number { color: var(--brand-blue); }
.service-row__tag { color: var(--brand-slate); text-align: right; }
.service-row h3 { margin-bottom: 0; font-size: clamp(1.3rem, 2vw, 2rem); font-weight: 500; letter-spacing: -.025em; }
.service-row p { max-width: 41rem; margin-bottom: 0; color: var(--brand-slate); }

.architecture-grid { display: grid; grid-template-columns: .88fr 1.12fr; gap: clamp(3rem, 7vw, 8rem); align-items: center; }
.architecture-copy .display-title { max-width: 9ch; margin-bottom: 2.25rem; }
.architecture-copy .lead { color: var(--paper-200); }
.architecture-copy > p:last-child { max-width: 36rem; margin-top: 2rem; color: var(--slate-500); }

.architecture-map { margin: 0; padding: 1.25rem; border: 1px solid var(--rule-dark); background: var(--ink-950); }
.architecture-map svg { margin-top: 1rem; }
.arch-flow path { fill: none; stroke: var(--brand-blue); stroke-width: 2; }
.arch-block rect { fill: var(--ink-950); stroke: rgb(226 224 217 / 34%); }
.arch-block text, .arch-governance text { fill: var(--paper-200); font: 12px var(--font-mono); letter-spacing: .6px; }
.arch-block .minor { fill: var(--slate-500); font-size: 9px; letter-spacing: 0; }
.arch-governance rect { fill: var(--brand-blue); }
.arch-governance text { fill: var(--ink-950); font-weight: 700; }
.arch-points circle { fill: var(--brand-blue); }

.compliance-grid { display: grid; grid-template-columns: .8fr 1.2fr; gap: clamp(4rem, 9vw, 10rem); align-items: start; }
.compliance-copy .display-title { margin-bottom: 2.25rem; }
.compliance-copy .lead { color: var(--ink-800); }
.compliance-copy > p:last-child { max-width: 34rem; margin-top: 2rem; color: var(--brand-slate); }
.compliance-matrix { border-top: 2px solid var(--ink-950); }
.matrix-head, .matrix-row { display: grid; grid-template-columns: repeat(3, 1fr); }
.matrix-head { padding: 1rem 0; color: var(--brand-slate); font: .68rem var(--font-mono); letter-spacing: .08em; text-transform: uppercase; }
.matrix-head span, .matrix-row span { padding-right: 1.3rem; }
.matrix-row { border-top: 1px solid var(--rule-light); }
.matrix-row span { min-height: 7.5rem; padding-block: 1.4rem; border-right: 1px solid var(--rule-light); font-size: .95rem; }
.matrix-row span + span { padding-left: 1.3rem; }
.matrix-row span:last-child { border-right: 0; }
.matrix-note { margin: 1.25rem 0 0; color: var(--brand-slate); font: .68rem/1.55 var(--font-mono); }

.principles-heading { display: flex; justify-content: space-between; gap: 2rem; align-items: end; margin-bottom: clamp(5rem, 8vw, 8rem); }
.principles-heading .lead { margin: 0 0 .4rem; color: var(--brand-blue); font-family: var(--font-mono); font-size: .82rem; letter-spacing: .08em; text-transform: uppercase; }
.principles-list { display: grid; grid-template-columns: repeat(3, 1fr); border-top: 1px solid var(--rule-dark); }
.principle { min-height: 18rem; padding: 2rem clamp(1.5rem, 3vw, 3rem) 1rem 0; border-right: 1px solid var(--rule-dark); }
.principle + .principle { padding-left: clamp(1.5rem, 3vw, 3rem); }
.principle:last-child { border-right: 0; }
.principle > span { color: var(--brand-blue); font: .68rem var(--font-mono); }
.principle h3 { margin: 4rem 0 1rem; font-size: clamp(1.45rem, 2vw, 2rem); font-weight: 500; letter-spacing: -.03em; }
.principle p { max-width: 26rem; color: var(--slate-500); }

.contact { position: relative; padding-block: clamp(6rem, 9vw, 9rem); overflow: hidden; background: var(--brand-blue); color: var(--ink-950); }
.contact::after { position: absolute; top: 0; right: -8rem; width: 28rem; height: 100%; content: ""; border-left: 1px solid rgb(7 16 21 / 25%); transform: skewX(-17deg); }
.contact-grid { position: relative; z-index: 1; display: grid; grid-template-columns: 1.2fr .8fr; gap: clamp(3rem, 8vw, 9rem); align-items: end; }
.contact .eyebrow { color: rgb(7 16 21 / 67%); }
.contact .eyebrow span { color: var(--ink-950); }
.contact h2 { max-width: 14ch; margin: 0; font-size: clamp(2.8rem, 5.7vw, 6.2rem); font-weight: 500; letter-spacing: -.06em; line-height: .94; }
.contact-action p { max-width: 33rem; margin-bottom: 2rem; font-size: 1.1rem; }

.site-footer { background: var(--ink-950); }
.footer-grid { display: grid; grid-template-columns: 1.25fr 1fr 1fr .55fr; gap: 3rem; padding-block: 5rem 4rem; }
.footer-brand p { margin: 1.5rem 0 0; color: var(--slate-500); }
.footer-grid address { color: var(--paper-200); font-style: normal; font-size: .92rem; }
.footer-grid address > span { display: block; margin-bottom: 1rem; color: var(--brand-blue); font: .66rem var(--font-mono); letter-spacing: .09em; text-transform: uppercase; }
.footer-grid address a { display: inline-block; margin-top: .65rem; }
.footer-nav { display: flex; flex-direction: column; align-items: flex-start; }
.footer-bottom { display: flex; justify-content: space-between; gap: 1rem; padding-block: 1.4rem; border-top: 1px solid var(--rule-dark); color: var(--slate-500); font: .64rem var(--font-mono); letter-spacing: .06em; text-transform: uppercase; }
.footer-bottom a { text-decoration: none; }
.legal-links { display: flex; flex-wrap: wrap; gap: .65rem 1.5rem; }
.legal-links a:hover { color: var(--paper-100); }

.legal-header .header-shell { grid-template-columns: auto 1fr; }
.legal-header .header-back { justify-self: end; color: var(--paper-200); font: .7rem var(--font-mono); letter-spacing: .07em; text-decoration: none; text-transform: uppercase; }
.legal-header .header-back:hover { color: var(--focus); }
.legal-main { padding-top: 4.75rem; background: var(--paper-100); color: var(--ink-950); }
.legal-hero { padding-block: clamp(5rem, 10vw, 9rem) clamp(3rem, 6vw, 5rem); border-bottom: 1px solid var(--rule-light); }
.legal-hero .eyebrow { color: var(--brand-slate); }
.legal-hero h1 { max-width: 11ch; margin: 0; font-size: clamp(3.4rem, 8vw, 7.5rem); font-weight: 500; letter-spacing: -.065em; line-height: .92; }
.legal-hero__intro { max-width: 46rem; margin: 2rem 0 0; color: var(--brand-slate); font-size: clamp(1.05rem, 1.5vw, 1.25rem); }
.legal-layout { display: grid; grid-template-columns: minmax(12rem, .36fr) minmax(0, 1fr); gap: clamp(3rem, 9vw, 9rem); padding-block: clamp(4rem, 8vw, 8rem); }
.legal-index { align-self: start; position: sticky; top: 7rem; }
.legal-index p { margin: 0 0 1rem; color: var(--brand-slate); font: .66rem var(--font-mono); letter-spacing: .08em; text-transform: uppercase; }
.legal-index ol { margin: 0; padding: 0; list-style: none; counter-reset: legal-section; }
.legal-index li { counter-increment: legal-section; border-top: 1px solid var(--rule-light); }
.legal-index a { display: grid; grid-template-columns: 2rem 1fr; gap: .5rem; padding: .75rem 0; text-decoration: none; }
.legal-index a::before { content: counter(legal-section, decimal-leading-zero); color: var(--brand-blue); font: .65rem var(--font-mono); }
.legal-index a:hover { color: var(--brand-blue); }
.legal-content { max-width: 52rem; }
.legal-content section { padding: 0 0 3.25rem; scroll-margin-top: 7rem; }
.legal-content section + section { padding-top: 3.25rem; border-top: 1px solid var(--rule-light); }
.legal-content h2 { margin: 0 0 1.25rem; font-size: clamp(1.75rem, 3vw, 2.5rem); font-weight: 500; letter-spacing: -.035em; line-height: 1.08; }
.legal-content h3 { margin: 2rem 0 .5rem; font-size: 1.05rem; }
.legal-content p, .legal-content ul { margin: 0 0 1rem; }
.legal-content ul { padding-left: 1.25rem; }
.legal-content li + li { margin-top: .5rem; }
.legal-content a { color: #17658e; }
.legal-note { padding: 1.5rem; border-left: 3px solid var(--brand-blue); background: #e6e5df; }
.legal-meta { display: inline-flex; margin-top: 2rem; padding-top: 1rem; border-top: 1px solid var(--rule-light); color: var(--brand-slate); font: .68rem var(--font-mono); letter-spacing: .07em; text-transform: uppercase; }

.reveal { opacity: 1; transform: none; }
.js .reveal { opacity: 0; transform: translateY(.75rem); transition: opacity .55s var(--ease-out), transform .55s var(--ease-out); }
.js .reveal[data-reveal-delay="1"] { transition-delay: .08s; }
.js .reveal[data-reveal-delay="2"] { transition-delay: .16s; }
.js .reveal.is-visible { opacity: 1; transform: translateY(0); }
.js .control-plane.is-visible .signal-path { animation: draw-signal .9s var(--ease-out) .2s both; }

@keyframes draw-signal { from { stroke-dasharray: 1; stroke-dashoffset: 1; } to { stroke-dasharray: 1; stroke-dashoffset: 0; } }

@media (max-width: 1100px) {
  .hero-grid { grid-template-columns: minmax(0, 1fr) minmax(22rem, .78fr); gap: 3rem; }
  h1 { font-size: clamp(3.25rem, 7.2vw, 5.8rem); }
  .service-row { grid-template-columns: 3rem minmax(11rem, .7fr) 1fr; }
  .service-row__tag { display: none; }
  .architecture-grid { gap: 4rem; }
  .footer-grid { grid-template-columns: 1.2fr 1fr 1fr; }
  .footer-nav { display: none; }
}

@media (max-width: 900px) {
  :root { --gutter: 2rem; --section-space: clamp(5.5rem, 12vw, 8rem); }
  .hero { min-height: auto; }
  .hero-grid { grid-template-columns: 1fr; min-height: auto; padding-top: 6.5rem; }
  .hero-copy { max-width: 48rem; }
  .control-plane { width: min(100%, 40rem); margin-left: auto; }
  .context-grid, .section-intro, .architecture-grid, .compliance-grid, .contact-grid { grid-template-columns: 1fr; }
  .context-copy, .architecture-copy, .compliance-copy { display: grid; grid-template-columns: 1fr 1fr; gap: 2rem; }
  .context-copy .lead, .architecture-copy .display-title, .compliance-copy .display-title { grid-column: 1 / -1; }
  .architecture-copy .display-title { max-width: 12ch; }
  .process-rail { gap: 0 3rem; }
  .services-intro .lead { margin-top: 2.5rem; }
  .architecture-map { width: min(100%, 44rem); margin-left: auto; }
  .compliance-matrix { margin-top: 1rem; }
  .contact-action { max-width: 36rem; }
}

@media (max-width: 820px) {
  html { scroll-padding-top: 4.4rem; }
  .header-shell { grid-template-columns: 1fr auto; min-height: 4.4rem; }
  .brand { width: 9.5rem; min-height: 2.75rem; }
  .desktop-nav, .header-cta { display: none; }
  .menu-toggle { display: flex; }
  .hero { padding-top: 4.4rem; }
}

@media (max-width: 760px) {
  :root { --gutter: 1.25rem; }
  .hero { padding-top: 4.4rem; background-size: 5rem 5rem; }
  .hero-grid { gap: 3.5rem; padding-block: 4.75rem 2.5rem; }
  h1 { max-width: 11ch; margin-bottom: 1.75rem; font-size: clamp(3.35rem, 15.5vw, 5.1rem); }
  .hero-lead { font-size: 1.05rem; }
  .hero-actions { align-items: stretch; flex-direction: column; }
  .button--primary { width: 100%; }
  .text-link { padding-block: .65rem; }
  .control-plane { padding: .75rem; }
  .control-plane__legend { flex-wrap: wrap; gap: .7rem 1.15rem; }
  .hero-index span:nth-child(-n+2) { display: none; }
  .section-marker { grid-template-columns: 2.1rem auto 1fr; margin-bottom: 4.5rem; }
  .display-title { font-size: clamp(2.75rem, 12vw, 4rem); }
  .context-copy, .architecture-copy, .compliance-copy { display: block; }
  .dependency-line { grid-template-columns: 1fr; }
  .dependency-line::before { width: 100%; }
  .dependency-line > div, .dependency-line > div:nth-child(2), .dependency-line > div:last-child { min-height: 6rem; padding: 1.25rem 0; border-right: 0; border-bottom: 1px solid var(--rule-dark); }
  .dependency-line > div:last-child { border-bottom: 0; }
  .process-rail { grid-template-columns: 1fr; gap: 0; padding-left: 1.25rem; border-left: 1px solid var(--rule-dark); }
  .process-step, .process-step:nth-child(even) { grid-template-columns: 3.4rem 1fr; min-height: 0; padding: 1.75rem 0 2.5rem 1rem; transform: none; }
  .process-step::after { top: -4px; left: -1.47rem; }
  .service-row { grid-template-columns: 2.2rem 1fr; gap: .5rem 1rem; align-items: start; padding: 1.5rem 0; }
  .service-row h3 { font-size: 1.45rem; }
  .service-row p { grid-column: 2; }
  .architecture-map { padding: .75rem; }
  .architecture-map figcaption span:last-child { display: none; }
  .matrix-head { display: none; }
  .matrix-row { grid-template-columns: 1fr; padding: 1.15rem 0; }
  .matrix-row span { display: grid; grid-template-columns: 7.2rem 1fr; gap: 1rem; min-height: 0; padding: .65rem 0; border-right: 0; }
  .matrix-row span + span { padding-left: 0; }
  .matrix-row span::before { content: attr(data-label); color: var(--brand-slate); font: .64rem/1.4 var(--font-mono); letter-spacing: .05em; text-transform: uppercase; }
  .principles-heading { display: block; }
  .principles-heading .lead { margin-top: 1.5rem; }
  .principles-list { grid-template-columns: 1fr; }
  .principle, .principle + .principle { min-height: 0; padding: 1.75rem 0 2rem; border-right: 0; border-bottom: 1px solid var(--rule-dark); }
  .principle h3 { margin-top: 2rem; }
  .contact::after { right: -17rem; }
  .contact h2 { font-size: clamp(2.85rem, 13vw, 4.3rem); }
  .footer-grid { grid-template-columns: 1fr; gap: 2.5rem; padding-block: 4rem 3rem; }
  .footer-bottom { flex-direction: column; }
  .legal-main { padding-top: 4.4rem; }
  .legal-layout { grid-template-columns: 1fr; gap: 3rem; }
  .legal-index { position: static; }
  .legal-index ol { display: grid; grid-template-columns: 1fr 1fr; }
  .legal-index li:nth-child(even) { padding-left: 1rem; }
  .legal-hero h1 { font-size: clamp(3.25rem, 16vw, 5.2rem); }
}

@media (max-width: 390px) {
  .eyebrow { margin-bottom: 1.5rem; }
  h1 { font-size: 3.25rem; }
  .control-plane__meta span:last-child { display: none; }
  .plane-node text { font-size: 9px; }
  .button { gap: .75rem; padding-inline: .85rem; }
  .matrix-row span { grid-template-columns: 6.6rem 1fr; }
  .legal-index ol { grid-template-columns: 1fr; }
  .legal-index li:nth-child(even) { padding-left: 0; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { scroll-behavior: auto !important; animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
  .js .reveal { opacity: 1; transform: none; }
  .js .control-plane .signal-path { stroke-dasharray: none; stroke-dashoffset: 0; }
}

@media (forced-colors: active) {
  .control-plane, .architecture-map, .header-cta, .button, .brand { border: 1px solid CanvasText; }
  .signal-path, .arch-flow path { stroke: LinkText; }
}