:root {
  --night: #071827;
  --field: #0b2740;
  --signal: #2f7bff;
  --cyan: #6fd5ff;
  --copper: #d39a68;
  --white: #f6fafd;
  --paper: #f8fbfd;
  --ink: #07131f;
  --muted: #53606b;
  --rule: rgba(7, 24, 39, 0.18);
  --dark-rule: rgba(111, 213, 255, 0.28);
  --shell: min(94vw, 1500px);
  --display: "Barlow Condensed", "Arial Narrow", sans-serif;
  --body: "Manrope", system-ui, sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, monospace;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--night);
  font-family: var(--body);
  font-size: 16px;
  line-height: 1.6;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; }
img { display: block; max-width: 100%; }
button, a { -webkit-tap-highlight-color: transparent; }
::selection { color: var(--white); background: var(--signal); }

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}
.skip-link {
  position: fixed;
  top: 0.8rem;
  left: 0.8rem;
  z-index: 100;
  transform: translateY(-180%);
  padding: 0.7rem 1rem;
  color: var(--night);
  background: var(--white);
  font-weight: 700;
}
.skip-link:focus { transform: translateY(0); }
:focus-visible { outline: 3px solid var(--copper); outline-offset: 4px; }

.page-shell { width: var(--shell); margin-inline: auto; }
.section-dark { color: var(--white); background: var(--night); }
.section-light { color: var(--ink); background: var(--paper); }
.copper { color: var(--copper); }
.copper-text { color: #ae6e36 !important; }

.site-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 78px;
  padding: 0.85rem 3vw;
  color: var(--white);
  border-bottom: 1px solid rgba(111, 213, 255, 0.25);
  background: rgba(7, 24, 39, 0.74);
  backdrop-filter: blur(18px);
  transition: min-height 180ms ease, background 180ms ease;
}
.site-header.is-compact { min-height: 64px; background: rgba(7, 24, 39, 0.94); }
.wordmark {
  display: inline-flex;
  gap: 0.52em;
  text-decoration: none;
  text-transform: uppercase;
  font-family: var(--display);
  font-size: 1.05rem;
  font-weight: 700;
  letter-spacing: 0.17em;
  line-height: 1;
}
.wordmark span + span { color: var(--cyan); }
.primary-nav { display: flex; align-items: center; gap: clamp(1.4rem, 2.6vw, 3rem); }
.primary-nav > a {
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 500;
  transition: color 160ms ease;
}
.primary-nav > a:hover { color: var(--cyan); }
.primary-nav .nav-active { color: var(--cyan); border-bottom: 2px solid var(--signal); }
.primary-nav .nav-cta {
  padding: 0.72rem 1rem;
  color: var(--cyan);
  border: 1px solid rgba(47, 123, 255, 0.8);
  font-weight: 700;
}
.nav-cta span { margin-left: 1rem; }
.nav-toggle { display: none; }

.hero {
  position: relative;
  min-height: 100svh;
  padding: clamp(8rem, 14vh, 11rem) 0 4rem;
  overflow: hidden;
  color: var(--white);
  background:
    radial-gradient(circle at 78% 30%, rgba(35, 111, 210, 0.14), transparent 30%),
    var(--night);
}
.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(111, 213, 255, 0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(111, 213, 255, 0.025) 1px, transparent 1px);
  background-size: 80px 80px;
  mask-image: linear-gradient(to bottom, black, transparent 75%);
}
.hero-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(440px, 1.08fr);
  gap: clamp(2rem, 5vw, 6rem);
  align-items: center;
}
.hero-copy { padding-top: 2rem; }
.hero h1,
.section-intro h2,
.focus-heading h2,
.founder h2,
.principles-heading h2,
.contact h2 {
  margin: 0;
  font-family: var(--display);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: -0.035em;
  line-height: 0.86;
}
.hero h1 { max-width: 760px; font-size: clamp(5.5rem, 8vw, 10.8rem); }
.hero-lede {
  max-width: 660px;
  margin: clamp(2rem, 4vh, 3.6rem) 0 0;
  font-size: clamp(1.1rem, 1.45vw, 1.45rem);
  line-height: 1.55;
}
.hero-proof {
  position: relative;
  margin: 2.1rem 0 0;
  padding-top: 1.4rem;
  color: var(--cyan);
  font-size: 0.94rem;
  font-weight: 600;
}
.hero-proof::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 7rem;
  height: 2px;
  background: var(--signal);
}
.hero-actions, .contact-actions { display: flex; flex-wrap: wrap; gap: 1rem; margin-top: 2rem; }
.button {
  display: inline-flex;
  align-items: center;
  justify-content: space-between;
  min-width: 13.5rem;
  gap: 1.4rem;
  padding: 0.95rem 1.3rem;
  border: 1px solid var(--signal);
  text-decoration: none;
  font-size: 0.91rem;
  font-weight: 700;
  transition: transform 180ms ease, background 180ms ease, color 180ms ease;
}
.button:hover { transform: translateY(-3px); }
.button-primary { color: #fff; background: var(--signal); }
.button-primary:hover { background: #1768ec; }
.button-secondary { color: var(--cyan); background: transparent; }
.button-secondary:hover { color: var(--night); background: var(--cyan); }

.execution-figure { position: relative; margin: 0; min-height: 640px; overflow: hidden; }
.execution-figure img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: contain;
  filter: saturate(1.1) contrast(1.03);
}
.execution-labels {
  position: absolute;
  top: 11%;
  right: 0;
  bottom: 11%;
  z-index: 2;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  width: 34%;
  color: var(--white);
  font-family: var(--mono);
  font-size: clamp(0.62rem, 0.8vw, 0.78rem);
  text-transform: uppercase;
  letter-spacing: 0.12em;
}
.execution-labels span { position: relative; padding-left: 2rem; }
.execution-labels span::before {
  content: "";
  position: absolute;
  top: 0.8em;
  right: 100%;
  width: min(14vw, 190px);
  height: 1px;
  background: var(--signal);
}
.execution-labels b { margin-right: 0.65rem; color: var(--cyan); font-weight: 500; }
.hero-next {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1fr 1fr;
  margin-top: clamp(2rem, 5vh, 5rem);
  padding-top: 2.3rem;
  border-top: 1px solid var(--dark-rule);
}
.hero-next p {
  grid-column: 1;
  margin: 0;
  font-family: var(--display);
  font-size: clamp(2.8rem, 5vw, 5.5rem);
  font-weight: 600;
  line-height: 0.94;
  text-transform: uppercase;
}
.crosshair { position: absolute; top: -8px; left: 50%; width: 16px; height: 16px; }
.crosshair::before, .crosshair::after { content: ""; position: absolute; background: var(--signal); }
.crosshair::before { top: 7px; left: 0; width: 16px; height: 1px; }
.crosshair::after { top: 0; left: 7px; width: 1px; height: 16px; }

.model { padding: clamp(6rem, 10vw, 10rem) 0 0; }

.portfolio-preview { padding: clamp(5rem, 8vw, 8rem) 0; }
.portfolio-preview-layout { display: grid; grid-template-columns: 0.9fr 1.1fr; gap: clamp(3rem, 8vw, 9rem); align-items: end; }
.portfolio-preview-copy h2,
.portfolio-hero h1,
.model-program-intro h2,
.boundary-block h2,
.portfolio-cta h2 {
  margin: 0;
  font-family: var(--display);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: -0.035em;
  line-height: 0.88;
}
.portfolio-preview-copy h2 { max-width: 760px; font-size: clamp(3.8rem, 6vw, 7rem); }
.portfolio-preview-copy > p:not(.section-label) { max-width: 630px; margin: 2rem 0; color: var(--muted); font-size: 1.03rem; }
.portfolio-preview-rail { border-top: 2px solid var(--signal); }
.portfolio-preview-rail a {
  display: grid;
  grid-template-columns: 1fr 1fr auto;
  gap: 1.5rem;
  align-items: center;
  padding: 1.35rem 0;
  border-bottom: 1px solid var(--rule);
  text-decoration: none;
}
.portfolio-preview-rail a::after { content: "→"; color: var(--signal); font-size: 1.4rem; transition: transform 160ms ease; }
.portfolio-preview-rail a:hover::after { transform: translateX(6px); }
.portfolio-preview-rail span { font-family: var(--display); font-size: 1.8rem; font-weight: 700; text-transform: uppercase; }
.portfolio-preview-rail small { color: var(--muted); font-family: var(--mono); font-size: 0.7rem; text-transform: uppercase; letter-spacing: 0.04em; }
.section-intro { max-width: 1080px; }
.section-label {
  margin: 0 0 1.5rem;
  color: var(--signal);
  font-family: var(--mono);
  font-size: 0.76rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}
.section-intro h2 { font-size: clamp(4rem, 7vw, 7.8rem); }
.section-intro > p:last-child {
  max-width: 690px;
  margin: 2.3rem 0 4.5rem;
  font-size: clamp(1.05rem, 1.35vw, 1.35rem);
  line-height: 1.55;
}
.model-rail {
  position: relative;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  padding: 0;
  margin: 0;
  list-style: none;
  border-top: 2px solid var(--signal);
}
.model-rail::before {
  content: "Execution plane";
  position: absolute;
  top: -2.1rem;
  left: 0;
  color: var(--signal);
  font-family: var(--mono);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}
.model-step {
  position: relative;
  display: flex;
  min-height: 480px;
  flex-direction: column;
  padding: 2.2rem 1.6rem 2.5rem;
  border-right: 1px solid rgba(47, 123, 255, 0.35);
}
.model-step:last-child { border-right: 0; }
.model-step::before {
  content: "";
  position: absolute;
  top: -7px;
  left: 1.5rem;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--signal);
}
.model-step-stop::before { background: var(--copper); }
.step-number {
  color: var(--signal);
  font-family: var(--display);
  font-size: 4.3rem;
  font-weight: 700;
  line-height: 1;
}
.model-step h3 {
  margin: 0.5rem 0 0.9rem;
  font-family: var(--display);
  font-size: clamp(1.85rem, 2.7vw, 3rem);
  line-height: 0.96;
  text-transform: uppercase;
}
.model-step p { margin: 0; color: #283745; font-size: 0.96rem; line-height: 1.55; }
.step-diagram {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 88px;
  margin-top: auto;
  border-bottom: 2px solid var(--signal);
}
.step-diagram::before {
  content: "";
  position: absolute;
  top: 50%;
  left: 7%;
  right: 7%;
  height: 1px;
  background: repeating-linear-gradient(90deg, var(--signal) 0 7px, transparent 7px 12px);
}
.step-diagram i { position: relative; z-index: 1; width: 34px; height: 34px; background: var(--paper); border: 2px solid var(--signal); }
.scope-diagram i:last-child { border-radius: 50%; border-style: dashed; }
.authority-diagram i:first-child, .authority-diagram i:last-child { border-style: dashed; }
.evidence-diagram i:first-child { width: 54px; height: 2px; border: 0; box-shadow: 0 -12px 0 var(--signal), 0 12px 0 var(--signal); background: var(--signal); }
.evidence-diagram i:last-child { width: 30px; height: 44px; }
.escalation-diagram { border-color: var(--copper); }
.escalation-diagram::before { background: repeating-linear-gradient(90deg, var(--copper) 0 7px, transparent 7px 12px); }
.escalation-diagram i { border-color: var(--ink); }
.escalation-diagram i:last-child { border-style: dashed; border-radius: 50%; }
.escalation-diagram b {
  position: relative;
  z-index: 2;
  display: grid;
  place-items: center;
  width: 54px;
  height: 54px;
  color: #fff;
  background: var(--copper);
  clip-path: polygon(30% 0, 70% 0, 100% 30%, 100% 70%, 70% 100%, 30% 100%, 0 70%, 0 30%);
  font-family: var(--mono);
  font-size: 0.67rem;
  text-transform: uppercase;
}

.focus { padding: clamp(6rem, 9vw, 9rem) 0; overflow: hidden; }
.focus-heading { position: relative; max-width: 1210px; }
.focus-heading::after {
  content: "";
  position: absolute;
  top: 12%;
  right: -24%;
  width: 42%;
  aspect-ratio: 1.7;
  opacity: 0.28;
  transform: skewY(-10deg);
  background: repeating-linear-gradient(0deg, transparent 0 18px, var(--signal) 18px 19px);
}
.focus-heading h2 { max-width: 1050px; font-size: clamp(4.3rem, 7vw, 8.2rem); }
.focus-heading > p {
  max-width: 650px;
  margin: 2rem 0 3.2rem;
  color: #d7e4ed;
  font-size: clamp(1rem, 1.25vw, 1.2rem);
}
.focus-field {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-top: 1px solid var(--signal);
  border-bottom: 1px solid var(--dark-rule);
}
.focus-domain { min-height: 300px; padding: 2.6rem 2.4rem 3rem 1rem; border-right: 1px solid rgba(47, 123, 255, 0.45); }
.focus-domain:last-child { border-right: 0; }
.focus-domain h3 {
  position: relative;
  margin: 0 0 2rem;
  padding-bottom: 1.2rem;
  font-family: var(--display);
  font-size: clamp(2.3rem, 3.6vw, 4.4rem);
  line-height: 0.95;
  text-transform: uppercase;
}
.focus-domain h3::after { content: ""; position: absolute; bottom: 0; left: 0; width: 2.7rem; height: 3px; background: var(--copper); }
.focus-domain > p:last-child { max-width: 360px; color: #d4e0e8; }
.founder {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr 0.72fr;
  margin-top: 5rem;
  color: var(--ink);
  background: var(--white);
  box-shadow: 0 28px 80px rgba(0, 0, 0, 0.23);
}
.founder-name, .founder-story, .founder-proof { padding: clamp(2rem, 4vw, 4.5rem); }
.founder-name { border-right: 1px solid rgba(47, 123, 255, 0.3); }
.founder h2 { font-size: clamp(4.3rem, 6.6vw, 8rem); }
.founder-story { align-self: center; }
.founder-story p { margin: 0 0 2rem; font-size: clamp(1rem, 1.2vw, 1.18rem); }
.text-link {
  display: inline-flex;
  align-items: center;
  gap: 2rem;
  padding-bottom: 0.35rem;
  color: var(--signal);
  border-bottom: 2px solid currentColor;
  font-family: var(--mono);
  font-size: 0.75rem;
  font-weight: 500;
  text-decoration: none;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}
.founder-proof { margin: 0; color: var(--white); background: var(--night); }
.founder-proof div { position: relative; padding: 0.85rem 0 1rem 2.2rem; border-bottom: 1px dashed rgba(111, 213, 255, 0.28); }
.founder-proof div:last-child { border-bottom: 0; }
.founder-proof div::before { content: ""; position: absolute; top: 1.5rem; left: 0; width: 8px; height: 8px; background: var(--signal); }
.founder-proof dt { color: var(--cyan); font-family: var(--mono); font-size: 0.87rem; }
.founder-proof dd { margin: 0.15rem 0 0; color: #d7e2ea; font-family: var(--mono); font-size: 0.72rem; }

.principles { padding: clamp(6rem, 10vw, 10rem) 0; }
.principles-grid { display: grid; grid-template-columns: 0.9fr 1.1fr; gap: clamp(3rem, 8vw, 9rem); }
.principles-heading { position: relative; padding-left: 3rem; }
.principles-heading h2 { font-size: clamp(3.5rem, 5.3vw, 6.3rem); }
.principles-heading p { max-width: 580px; margin: 2rem 0 0; font-size: 1.05rem; }
.copper-pin { position: absolute; top: 0.55rem; left: 0; width: 16px; height: 16px; background: var(--copper); }
.copper-pin::after { content: ""; position: absolute; top: 16px; left: 7px; width: 1px; height: calc(100% + 520px); background: var(--copper); }
.principles-ledger { margin: 0; border-top: 1px solid var(--rule); }
.principles-ledger div { display: grid; grid-template-columns: 1.05fr 1fr; gap: 2rem; padding: 1.4rem 0; border-bottom: 1px solid var(--rule); }
.principles-ledger dt {
  display: flex;
  flex-direction: column;
  font-family: var(--display);
  font-size: clamp(1.6rem, 2.2vw, 2.4rem);
  font-weight: 700;
  line-height: 1;
  text-transform: uppercase;
}
.principles-ledger dt span { margin-bottom: 0.65rem; color: var(--signal); font-family: var(--mono); font-size: 0.72rem; font-weight: 500; letter-spacing: 0.08em; }
.principles-ledger dd { margin: 0; align-self: center; color: var(--muted); font-size: 0.94rem; }

.contact { position: relative; padding: clamp(6rem, 9vw, 9rem) 0; overflow: hidden; }
.contact-lines {
  position: absolute;
  inset: 0 0 0 48%;
  opacity: 0.55;
  background:
    linear-gradient(145deg, transparent 49.7%, var(--signal) 50%, transparent 50.3%),
    linear-gradient(155deg, transparent 49.7%, var(--signal) 50%, transparent 50.3%),
    linear-gradient(165deg, transparent 49.7%, rgba(47, 123, 255, 0.6) 50%, transparent 50.3%);
}
.contact-inner { position: relative; padding-left: clamp(3rem, 8vw, 8rem); }
.contact-inner .copper-pin { top: 0; left: 1rem; }
.contact-inner .copper-pin::after { height: 430px; }
.contact h2 { font-size: clamp(4.7rem, 7vw, 8.4rem); }
.contact p { max-width: 600px; margin: 1.4rem 0 0; color: #dce7ee; font-size: clamp(1.05rem, 1.3vw, 1.3rem); }
.light-link { color: var(--cyan); align-self: center; }

.site-footer { color: #dce7ee; background: var(--night); border-top: 1px solid var(--dark-rule); }
.site-footer .page-shell { display: grid; grid-template-columns: 1fr 1fr 1fr; align-items: center; gap: 2rem; min-height: 110px; }
.site-footer p { margin: 0; font-size: 0.78rem; }
.site-footer p:nth-child(2) { text-align: center; }
.site-footer p:last-child { text-align: right; }
.footer-wordmark { color: var(--white); }

.contact-page { color: var(--white); background: var(--night); }
.contact-main {
  min-height: calc(100svh - 110px);
  padding: clamp(8.5rem, 15vh, 11rem) 0 clamp(5rem, 9vw, 9rem);
  background:
    radial-gradient(circle at 13% 28%, rgba(47, 123, 255, 0.15), transparent 28%),
    linear-gradient(90deg, transparent 49.9%, rgba(111, 213, 255, 0.06) 50%, transparent 50.1%),
    var(--night);
}
.contact-layout {
  display: grid;
  grid-template-columns: minmax(0, 0.88fr) minmax(520px, 1.12fr);
  gap: clamp(4rem, 8vw, 9rem);
  align-items: start;
}
.contact-copy { position: sticky; top: 9rem; padding: 2rem 0; }
.contact-copy h1,
.contact-form-panel h2,
.form-success h2 {
  margin: 0;
  font-family: var(--display);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: -0.035em;
  line-height: 0.9;
}
.contact-copy h1 { max-width: 690px; font-size: clamp(5rem, 7.4vw, 9rem); }
.contact-copy > p {
  max-width: 560px;
  margin: 2.5rem 0 0;
  color: #dce7ee;
  font-size: clamp(1.05rem, 1.35vw, 1.3rem);
  line-height: 1.65;
}
.contact-crosshair {
  display: block;
  width: 70px;
  height: 2px;
  margin-bottom: 2.3rem;
  background: var(--signal);
  box-shadow: 38px 0 0 -0.5px var(--copper);
}
.contact-topics { margin: 4.5rem 0 0; border-top: 1px solid var(--dark-rule); }
.contact-topics div { display: grid; grid-template-columns: 0.8fr 1.2fr; gap: 2rem; padding: 1.35rem 0; border-bottom: 1px solid var(--dark-rule); }
.contact-topics dt { color: var(--cyan); font-family: var(--mono); font-size: 0.78rem; text-transform: uppercase; letter-spacing: 0.05em; }
.contact-topics dd { margin: 0; color: #b8cad5; font-size: 0.9rem; line-height: 1.55; }
.contact-form-panel { position: relative; min-height: 700px; padding: clamp(2.3rem, 5vw, 4.8rem); color: var(--night); background: var(--white); }
.contact-form-panel::before { content: ""; position: absolute; top: 0; left: 0; width: 32%; height: 5px; background: var(--signal); }
.contact-form-panel::after { content: ""; position: absolute; top: -8px; left: 32%; width: 15px; height: 15px; background: var(--copper); }
.contact-form-panel h2 { max-width: 650px; font-size: clamp(3.3rem, 4.6vw, 5.6rem); }
.contact-form { margin-top: 3.5rem; }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 2rem 1.5rem; }
.contact-form label { display: grid; gap: 0.7rem; }
.contact-form label > span { font-family: var(--mono); font-size: 0.72rem; font-weight: 500; text-transform: uppercase; letter-spacing: 0.07em; }
.contact-form input,
.contact-form select,
.contact-form textarea {
  width: 100%;
  min-height: 3.25rem;
  padding: 0.8rem 0;
  color: var(--night);
  border: 0;
  border-bottom: 1px solid #91a5b3;
  border-radius: 0;
  outline: 0;
  background: transparent;
  font: 500 1rem/1.45 var(--body);
  transition: border-color 160ms ease, box-shadow 160ms ease;
}
.contact-form select { cursor: pointer; }
.contact-form textarea { min-height: 10.5rem; padding: 0.9rem; border: 1px solid #91a5b3; resize: vertical; }
.contact-form input:focus,
.contact-form select:focus { border-color: var(--signal); box-shadow: 0 2px 0 var(--signal); }
.contact-form textarea:focus { border-color: var(--signal); box-shadow: inset 3px 0 0 var(--signal); }
.message-field { margin-top: 2.2rem; }
.form-guardrail { margin: 1.3rem 0 0; color: #52697a; font-size: 0.78rem; line-height: 1.55; }
.form-submit-row { display: flex; align-items: center; gap: 1.5rem; margin-top: 2rem; }
.form-submit-row .button { border: 0; cursor: pointer; }
.form-submit-row .button:disabled { cursor: wait; opacity: 0.65; transform: none; }
.form-status { max-width: 320px; margin: 0; color: #9c3f28; font-size: 0.8rem; line-height: 1.5; }
.honeypot {
  position: absolute !important;
  width: 1px !important;
  height: 1px !important;
  margin: -1px !important;
  overflow: hidden !important;
  clip: rect(0 0 0 0) !important;
  clip-path: inset(50%) !important;
  contain: strict !important;
  white-space: nowrap !important;
}
.form-success { max-width: 620px; padding-top: 5rem; outline: 0; }
.form-success[hidden] { display: none; }
.form-success h2 { margin-top: 1.5rem; font-size: clamp(4rem, 6vw, 7rem); }
.form-success p { max-width: 500px; margin: 1.5rem 0 2rem; font-size: 1.1rem; line-height: 1.65; }
.success-mark { display: grid; place-items: center; width: 42px; height: 42px; color: var(--white); background: var(--signal); font-size: 1.2rem; }
.contact-footer { border-top-color: rgba(111, 213, 255, 0.22); }

.portfolio-page { color: var(--white); background: var(--night); }
.portfolio-hero {
  min-height: 100svh;
  padding: clamp(8.5rem, 14vh, 11rem) 0 clamp(5rem, 8vw, 8rem);
  background:
    radial-gradient(circle at 74% 31%, rgba(47, 123, 255, 0.13), transparent 32%),
    var(--night);
}
.portfolio-hero-layout { display: grid; grid-template-columns: minmax(340px, 0.72fr) minmax(650px, 1.28fr); gap: clamp(3rem, 6vw, 7rem); align-items: start; }
.portfolio-hero-copy { position: sticky; top: 9rem; padding-top: 1rem; }
.portfolio-hero h1 { max-width: 650px; font-size: clamp(5.2rem, 7vw, 9rem); }
.portfolio-hero-copy > p { max-width: 540px; margin: 2.5rem 0 0; color: #d6e4ed; font-size: clamp(1rem, 1.25vw, 1.22rem); line-height: 1.65; }
.operating-ledger { position: relative; margin-top: 0.4rem; padding-left: 2.6rem; border-left: 2px solid var(--copper); }
.operating-row {
  position: relative;
  display: grid;
  grid-template-columns: minmax(150px, 0.9fr) minmax(95px, 0.5fr) minmax(210px, 1.25fr) auto;
  gap: clamp(1rem, 2vw, 2rem);
  align-items: center;
  min-height: 145px;
  border-bottom: 1px solid var(--signal);
}
.operating-row:first-child { border-top: 1px solid var(--signal); }
.ledger-node { position: absolute; left: calc(-2.6rem - 8px); width: 14px; height: 14px; border: 2px solid var(--copper); background: var(--night); }
.operating-name h2 { margin: 0; font-family: var(--display); font-size: clamp(1.8rem, 2.2vw, 2.65rem); line-height: 0.95; text-transform: uppercase; }
.operating-name p, .operating-status { margin: 0.5rem 0 0; font-family: var(--mono); font-size: 0.68rem; text-transform: uppercase; letter-spacing: 0.045em; }
.operating-name p { color: var(--cyan); }
.operating-status { margin: 0; color: var(--copper); }
.operating-status span { display: block; margin-bottom: 0.3rem; color: var(--cyan); font-size: 0.58rem; }
.operating-description { margin: 0; color: #d6e2ea; font-size: 0.88rem; line-height: 1.55; }
.ledger-links { display: grid; gap: 0.65rem; }
.ledger-link { display: inline-flex; justify-content: space-between; gap: 0.75rem; color: var(--cyan); font-family: var(--mono); font-size: 0.69rem; text-decoration: none; text-transform: uppercase; letter-spacing: 0.04em; }
.ledger-link span { transition: transform 160ms ease; }
.ledger-link:hover span { transform: translateX(5px); }

.model-program { overflow: hidden; padding: clamp(6rem, 9vw, 9rem) 0; }
.portfolio-spine { position: relative; padding-left: clamp(3rem, 6vw, 6rem); }
.portfolio-spine::before { content: ""; position: absolute; top: 0; bottom: 0; left: 1.2rem; width: 2px; background: var(--copper); }
.portfolio-spine::after { content: ""; position: absolute; top: 0; left: calc(1.2rem - 7px); width: 16px; height: 16px; background: var(--copper); }
.model-program-intro h2 { max-width: 980px; font-size: clamp(4.5rem, 7vw, 8rem); }
.model-program-intro > p { max-width: 700px; margin: 2rem 0 4rem; color: var(--muted); font-size: 1.08rem; }
.model-stack { border-top: 2px solid var(--signal); }
.model-layer {
  position: relative;
  display: grid;
  grid-template-columns: minmax(210px, 0.72fr) repeat(3, minmax(170px, 1fr));
  border-bottom: 1px solid var(--signal);
}
.model-layer::before { content: ""; position: absolute; top: 50%; left: calc(clamp(3rem, 6vw, 6rem) * -1 - 7px); width: 14px; height: 14px; transform: translateY(-50%); border: 2px solid var(--copper); background: var(--paper); }
.layer-title, .model-entry { min-height: 116px; padding: 1.45rem 1.2rem; border-right: 1px solid rgba(47, 123, 255, 0.3); }
.model-layer > *:last-child { border-right: 0; }
.layer-title h3 { margin: 0; color: var(--signal); font-family: var(--display); font-size: 1.8rem; line-height: 0.95; text-transform: uppercase; }
.layer-title p { margin: 0.7rem 0 0; color: var(--muted); font-family: var(--mono); font-size: 0.62rem; text-transform: uppercase; letter-spacing: 0.04em; }
.model-entry { display: flex; flex-direction: column; justify-content: center; gap: 0.65rem; }
.model-entry code { font-family: var(--mono); font-size: clamp(0.72rem, 0.9vw, 0.9rem); font-weight: 500; }
.model-entry span { color: var(--signal); font-family: var(--mono); font-size: 0.62rem; text-transform: uppercase; letter-spacing: 0.04em; }
.claims-rule { display: grid; grid-template-columns: 0.55fr 1.45fr; gap: 2rem; margin-top: 3rem; padding: 1.45rem 1.8rem; border: 2px solid var(--ink); }
.claims-rule p { margin: 0; font-family: var(--mono); font-size: clamp(0.78rem, 1vw, 1rem); text-transform: uppercase; letter-spacing: 0.08em; }
.claims-rule p:first-child { color: var(--signal); font-weight: 500; }

.portfolio-governance { padding: clamp(6rem, 9vw, 9rem) 0; }
.governance-layout { display: grid; grid-template-columns: 1fr 0.86fr; gap: clamp(4rem, 8vw, 9rem); }
.sequence-block > h2 { margin: 0 0 2rem; color: var(--cyan); font-family: var(--mono); font-size: 0.88rem; font-weight: 500; text-transform: uppercase; letter-spacing: 0.08em; }
.sequence-rail { position: relative; padding: 0 0 0 3rem; margin: 0; list-style: none; border-left: 2px solid var(--copper); }
.sequence-rail li { position: relative; display: grid; grid-template-columns: 76px 1fr; align-items: center; min-height: 76px; border-bottom: 1px solid rgba(47, 123, 255, 0.7); }
.sequence-rail li::before { content: ""; position: absolute; left: calc(-3rem - 8px); width: 14px; height: 14px; border: 2px solid var(--copper); background: var(--night); }
.sequence-rail li::after { content: "→"; position: absolute; right: 0.4rem; color: var(--signal); font-size: 1.4rem; }
.sequence-rail span { color: var(--signal); font-family: var(--display); font-size: 2rem; font-weight: 700; }
.sequence-rail p { margin: 0; padding-right: 3rem; font-family: var(--mono); font-size: 0.82rem; text-transform: uppercase; letter-spacing: 0.045em; }
.boundary-block { padding-left: clamp(2rem, 5vw, 5rem); border-left: 1px solid rgba(111, 213, 255, 0.55); }
.boundary-block h2 { max-width: 680px; padding: 2rem 0; border-top: 1px solid rgba(111, 213, 255, 0.55); border-bottom: 1px solid rgba(111, 213, 255, 0.55); font-size: clamp(3.6rem, 5vw, 6rem); }
.boundary-block > p:not(.section-label):not(.boundary-callout) { max-width: 620px; margin: 2rem 0; color: #cedce5; line-height: 1.7; }
.boundary-callout { max-width: 620px; margin: 2.6rem 0 0; padding: 0.5rem 0 0.5rem 1.4rem; color: var(--white); border-left: 4px solid var(--cyan); font-size: 1.05rem; }
.portfolio-cta { padding: clamp(4rem, 7vw, 7rem) 0; border-top: 1px solid var(--dark-rule); }
.portfolio-cta-layout { display: grid; grid-template-columns: 1fr 0.8fr; gap: 3rem; align-items: center; }
.portfolio-cta h2 { max-width: 720px; font-size: clamp(4.5rem, 7vw, 8rem); }
.portfolio-cta-layout > div { display: grid; gap: 1rem; }

.hero-copy { animation: enter-copy 700ms cubic-bezier(0.22, 1, 0.36, 1) both; }
.execution-figure { animation: enter-planes 900ms 120ms cubic-bezier(0.22, 1, 0.36, 1) both; }

@keyframes enter-copy {
  from { opacity: 0; transform: translateY(18px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes enter-planes {
  from { opacity: 0; transform: translateY(24px) scale(0.985); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}

@media (max-width: 1100px) {
  .hero-grid { grid-template-columns: 1fr; }
  .hero-copy { max-width: 850px; }
  .execution-figure { min-height: 600px; }
  .execution-labels { right: 3%; width: 25%; }
  .model-rail { grid-template-columns: repeat(2, 1fr); }
  .model-step { min-height: 420px; border-bottom: 1px solid rgba(47, 123, 255, 0.35); }
  .model-step:nth-child(2) { border-right: 0; }
  .founder { grid-template-columns: 1fr 1fr; }
  .founder-proof { grid-column: 1 / -1; display: grid; grid-template-columns: repeat(4, 1fr); }
  .founder-proof div { border-bottom: 0; border-right: 1px dashed rgba(111, 213, 255, 0.28); }
  .founder-proof div:last-child { border-right: 0; }
  .contact-layout { grid-template-columns: 1fr; }
  .contact-copy { position: relative; top: auto; max-width: 850px; }
  .portfolio-preview-layout { grid-template-columns: 1fr; }
  .portfolio-hero-layout { grid-template-columns: 1fr; }
  .portfolio-hero-copy { position: relative; top: auto; max-width: 850px; }
  .model-layer { grid-template-columns: minmax(190px, 0.7fr) repeat(2, 1fr); }
  .model-layer-primary { grid-template-columns: minmax(190px, 0.7fr) repeat(3, 1fr); }
}

@media (max-width: 780px) {
  :root { --shell: min(90vw, 680px); }
  .site-header { min-height: 66px; padding-inline: 5vw; }
  .wordmark { font-size: 0.92rem; }
  .nav-toggle {
    display: grid;
    place-content: center;
    width: 44px;
    height: 44px;
    padding: 0;
    color: inherit;
    border: 1px solid rgba(111, 213, 255, 0.4);
    background: transparent;
  }
  .nav-toggle span:not(.sr-only) { display: block; width: 20px; height: 1px; margin: 3px 0; background: currentColor; transition: transform 180ms ease; }
  .nav-toggle[aria-expanded="true"] span:nth-child(2) { transform: translateY(3.5px) rotate(45deg); }
  .nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-3.5px) rotate(-45deg); }
  .primary-nav {
    position: absolute;
    top: 100%;
    right: 0;
    left: 0;
    display: none;
    align-items: stretch;
    flex-direction: column;
    gap: 0;
    padding: 1rem 5vw 1.5rem;
    background: rgba(7, 24, 39, 0.98);
    border-bottom: 1px solid var(--dark-rule);
  }
  .primary-nav.is-open { display: flex; }
  .primary-nav > a { padding: 0.85rem 0; border-bottom: 1px solid rgba(111, 213, 255, 0.14); }
  .primary-nav .nav-cta { margin-top: 0.75rem; padding-inline: 0.85rem; border: 1px solid var(--signal); }
  .hero { padding-top: 7rem; }
  .hero h1 { font-size: clamp(5rem, 24vw, 8rem); }
  .hero-lede { margin-top: 2rem; font-size: 1.05rem; }
  .hero-actions, .contact-actions { align-items: stretch; flex-direction: column; }
  .button { width: 100%; min-width: 0; }
  .execution-figure { min-height: 460px; margin-top: 1rem; }
  .execution-labels { top: 9%; right: -1%; bottom: 9%; width: 33%; font-size: 0.56rem; }
  .execution-labels span { padding-left: 0.6rem; }
  .execution-labels span::before { width: 16vw; }
  .execution-labels b { display: block; margin: 0 0 0.15rem; }
  .hero-next { grid-template-columns: 1fr; }
  .hero-next p { font-size: clamp(2.6rem, 14vw, 4.4rem); }
  .section-intro h2 { font-size: clamp(3.9rem, 16vw, 6.4rem); }
  .section-intro > p:last-child { margin-bottom: 4rem; }
  .model-rail { grid-template-columns: 1fr; border-top: 0; border-left: 2px solid var(--signal); }
  .model-rail::before { top: -2rem; left: -2px; }
  .model-step { min-height: 360px; padding: 1.8rem 1.5rem 2rem 2rem; border-right: 0; border-bottom: 1px solid rgba(47, 123, 255, 0.35); }
  .model-step::before { top: 2.3rem; left: -7px; }
  .step-number { font-size: 3.6rem; }
  .step-diagram { max-width: 330px; margin-top: 2.2rem; }
  .focus-heading h2 { font-size: clamp(4rem, 17vw, 6.8rem); }
  .focus-heading::after { display: none; }
  .focus-field { grid-template-columns: 1fr; }
  .focus-domain { min-height: 0; padding: 2.4rem 0; border-right: 0; border-bottom: 1px solid rgba(47, 123, 255, 0.45); }
  .focus-domain:last-child { border-bottom: 0; }
  .founder { grid-template-columns: 1fr; margin-inline: -2vw; }
  .founder-name { border-right: 0; border-bottom: 1px solid rgba(47, 123, 255, 0.3); }
  .founder-proof { grid-column: auto; grid-template-columns: 1fr 1fr; }
  .founder-proof div { border-right: 0; border-bottom: 1px dashed rgba(111, 213, 255, 0.28); }
  .principles-grid { grid-template-columns: 1fr; }
  .principles-heading { padding-left: 2rem; }
  .principles-heading h2 { font-size: clamp(3.5rem, 15vw, 5.5rem); }
  .principles-ledger div { grid-template-columns: 1fr; gap: 0.9rem; }
  .contact-inner { padding-left: 2.8rem; }
  .contact-lines { left: 20%; opacity: 0.32; }
  .contact h2 { font-size: clamp(4.5rem, 18vw, 7rem); }
  .site-footer .page-shell { grid-template-columns: 1fr; gap: 0.5rem; padding: 2rem 0; }
  .site-footer p, .site-footer p:nth-child(2), .site-footer p:last-child { text-align: left; }
  .contact-main { padding-top: 7rem; }
  .contact-layout { gap: 3rem; width: 100%; }
  .contact-copy { width: 90vw; margin: 0 auto; padding-bottom: 0; }
  .contact-copy h1 { font-size: clamp(4rem, 17.5vw, 6.2rem); }
  .contact-topics div { grid-template-columns: 1fr; gap: 0.5rem; }
  .contact-form-panel { padding: 3rem 5vw 4rem; }
  .contact-form-panel h2 { font-size: clamp(3.6rem, 15vw, 5rem); }
  .form-grid { grid-template-columns: 1fr; gap: 1.8rem; }
  .form-submit-row { align-items: stretch; flex-direction: column; }
  .form-submit-row .button { width: 100%; }
  .primary-nav .nav-active { border-bottom: 1px solid rgba(111, 213, 255, 0.14); }
  .portfolio-preview-copy h2 { font-size: clamp(3.8rem, 15vw, 5.7rem); }
  .portfolio-preview-rail a { grid-template-columns: 1fr auto; gap: 0.5rem 1rem; }
  .portfolio-preview-rail small { grid-column: 1; grid-row: 2; }
  .portfolio-preview-rail a::after { grid-column: 2; grid-row: 1 / 3; }
  .portfolio-hero { padding-top: 7rem; }
  .portfolio-hero h1 { font-size: clamp(4.5rem, 18vw, 7rem); }
  .operating-ledger { padding-left: 1.8rem; }
  .operating-row { grid-template-columns: 1fr auto; gap: 1rem; padding: 2rem 0; }
  .ledger-node { left: calc(-1.8rem - 8px); }
  .operating-status { text-align: right; }
  .operating-description { grid-column: 1 / -1; }
  .operating-row > .ledger-link, .ledger-links { grid-column: 1 / -1; }
  .ledger-links { display: flex; flex-wrap: wrap; gap: 1.25rem; }
  .portfolio-spine { padding-left: 2.4rem; }
  .portfolio-spine::before { left: 0.55rem; }
  .portfolio-spine::after { left: calc(0.55rem - 7px); }
  .model-program-intro h2 { font-size: clamp(4rem, 16vw, 6.5rem); }
  .model-layer, .model-layer-primary { grid-template-columns: 1fr; }
  .model-layer::before { left: calc(-2.4rem - 7px); }
  .layer-title, .model-entry { min-height: 0; padding: 1.25rem 0; border-right: 0; border-bottom: 1px solid rgba(47, 123, 255, 0.22); }
  .model-layer > *:last-child { border-bottom: 0; }
  .claims-rule { grid-template-columns: 1fr; gap: 0.8rem; padding: 1.25rem; }
  .governance-layout, .portfolio-cta-layout { grid-template-columns: 1fr; }
  .boundary-block { padding-left: 0; border-left: 0; }
  .boundary-block h2 { font-size: clamp(3.8rem, 15vw, 5.8rem); }
  .portfolio-cta-layout > div { width: 100%; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { scroll-behavior: auto !important; animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; transition-duration: 0.01ms !important; }
  .hero-copy, .execution-figure { opacity: 1; transform: none; }
}