:root {
  --black: #030303;
  --near: #070708;
  --panel: #0b0c0e;
  --white: #f4f5f7;
  --muted: #a3adbb;
  --dim: #626977;
  --blue: #4f6d8a;
  --blue-light: #90a2b9;
  --line: rgba(144, 162, 185, 0.18);
  --line-strong: rgba(144, 162, 185, 0.28);
  --max: 1480px;
  --header-height: 76px;
  --hairline: 1px solid rgba(144, 162, 185, 0.14);
  --title-size: clamp(34px, 3.2vw, 54px);
  --subtitle-size: 15px;
  --label-size: 10px;
  --card-title-size: 18px;
  --body-size: 14px;
  --body-line: 1.65;
  --section-y: clamp(72px, 8vw, 108px);
  --panel-pad: 34px;
  --grid-gap: 34px;
  --font-sans: "Open Sauce One", "Open Sauce Sans", ui-sans-serif, system-ui,
    -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --font-emphasis: "Playfair Display", Georgia, "Times New Roman", serif;
}

@font-face {
  font-family: "Open Sauce One";
  src: url("fonts/open-sauce-20260706T175048Z-3-001/open-sauce/OpenSauceOne-Regular.ttf")
    format("truetype");
  font-style: normal;
  font-weight: 400;
  font-display: swap;
}

@font-face {
  font-family: "Open Sauce One";
  src: url("fonts/open-sauce-20260706T175048Z-3-001/open-sauce/OpenSauceOne-Medium.ttf")
    format("truetype");
  font-style: normal;
  font-weight: 500;
  font-display: swap;
}

@font-face {
  font-family: "Open Sauce One";
  src: url("fonts/open-sauce-20260706T175048Z-3-001/open-sauce/OpenSauceOne-SemiBold.ttf")
    format("truetype");
  font-style: normal;
  font-weight: 600;
  font-display: swap;
}

@font-face {
  font-family: "Playfair Display";
  src: url("fonts/open-sauce-20260706T175048Z-3-001/playfair-display-italic/PlayfairDisplay-Italic-VariableFont_wght.ttf")
    format("truetype");
  font-style: italic;
  font-weight: 400 900;
  font-display: swap;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  color: var(--white);
  background: var(--black);
  font-family: var(--font-sans);
  font-size: 14px;
  line-height: 1.55;
}

a {
  color: inherit;
  text-decoration: none;
}

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

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  height: var(--header-height);
  padding: 0 clamp(44px, 6vw, 120px);
  background: rgba(3, 3, 3, 0.88);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(18px);
}

.logo-link {
  display: inline-flex;
  width: 158px;
  height: 44px;
  align-items: center;
  overflow: hidden;
}

.logo-link img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  object-position: left center;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: clamp(14px, 2vw, 30px);
  color: var(--dim);
  font-size: 9px;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.site-nav a {
  display: inline-flex;
  white-space: nowrap;
}

.site-nav a:hover,
.site-nav [aria-current="page"] {
  color: var(--blue-light);
}

.menu-button {
  display: none;
  color: var(--white);
  background: transparent;
  border: 1px solid var(--line);
  padding: 8px 12px;
  font: inherit;
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.section {
  width: min(var(--max), calc(100% - 240px));
  margin-inline: auto;
  padding: clamp(64px, 8vw, 112px) 0;
  border-bottom: 1px solid rgba(144, 162, 185, 0.08);
  scroll-margin-top: var(--header-height);
}

.hero {
  min-height: calc(100svh - var(--header-height));
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(420px, 0.78fr);
  gap: clamp(48px, 8vw, 120px);
  align-items: center;
  padding-top: clamp(52px, 7vh, 76px);
  padding-bottom: clamp(52px, 7vh, 76px);
}

.eyebrow {
  margin-bottom: 34px;
  color: var(--dim);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.42em;
  text-transform: uppercase;
}

.line-label {
  display: flex;
  align-items: center;
  gap: 22px;
  color: var(--blue-light);
}

.line-label::before {
  width: 54px;
  height: 1px;
  background: var(--blue-light);
  content: "";
}

h1,
h2,
h3 {
  color: var(--white);
  font-weight: 400;
  letter-spacing: -0.055em;
}

h1 {
  margin-bottom: 54px;
  font-size: clamp(56px, 6.1vw, 104px);
  line-height: 0.9;
}

h1 span,
h2 span {
  display: block;
}

h1 span:last-child,
h2 span {
  color: var(--blue-light);
}

h2 {
  max-width: 900px;
  margin-bottom: 34px;
  font-size: clamp(30px, 2.9vw, 46px);
  line-height: 1.02;
}

h3 {
  margin-bottom: 18px;
  font-size: clamp(19px, 1.55vw, 27px);
  line-height: 1.18;
}

.emphasis-word {
  font-family: var(--font-emphasis);
  font-style: italic;
}

.quote-block {
  max-width: 780px;
  padding-left: 28px;
  border-left: 2px solid var(--blue-light);
}

.quote-block p {
  margin-bottom: 22px;
  color: var(--white);
  font-size: clamp(18px, 1.45vw, 25px);
  line-height: 1.32;
}

.quote-block small,
.section-copy,
.text-stack > p,
.plain-group li,
.scale-card p,
.reason-grid li,
.primitive-grid p,
.program-list span {
  color: var(--muted);
  font-size: clamp(13px, 0.95vw, 16px);
}

.phase-visual {
  position: relative;
  min-height: clamp(360px, 38vw, 470px);
}

.phase-visual svg {
  position: absolute;
  inset: 50%;
  width: min(440px, 100%);
  transform: translate(-50%, -50%);
  overflow: visible;
}

.phase-visual polygon {
  fill: none;
  stroke: rgba(220, 226, 234, 0.78);
  stroke-width: 2;
}

.phase-visual circle {
  fill: var(--blue-light);
  stroke: rgba(255, 255, 255, 0.24);
  stroke-width: 2;
}

.phase-visual .center-dot {
  fill: var(--blue-light);
  opacity: 0.85;
}

.circle {
  position: absolute;
  inset: 50%;
  width: min(430px, 96%);
  aspect-ratio: 1;
  border: 1px dashed rgba(144, 162, 185, 0.25);
  border-radius: 50%;
  transform: translate(-50%, -50%);
}

.axis {
  position: absolute;
  inset: 50%;
  background: rgba(144, 162, 185, 0.13);
}

.axis.horizontal {
  width: min(480px, 100%);
  height: 1px;
  transform: translate(-50%, -50%);
}

.axis.vertical {
  width: 1px;
  height: min(480px, 100%);
  transform: translate(-50%, -50%);
}

.axis span {
  position: absolute;
  color: var(--dim);
  font-size: 10px;
}

.horizontal span {
  right: 0;
  bottom: 8px;
}

.vertical span {
  left: 8px;
  top: 0;
}

.split-section {
  min-height: calc(100svh - var(--header-height));
  display: grid;
  grid-template-columns: minmax(420px, 0.9fr) minmax(0, 0.82fr);
  gap: clamp(54px, 7vw, 110px);
  align-items: center;
  padding-top: clamp(56px, 8vh, 82px);
  padding-bottom: clamp(56px, 8vh, 82px);
}

.image-card {
  position: relative;
  min-height: clamp(360px, 48vh, 440px);
  display: grid;
  align-items: end;
  padding: 38px;
  overflow: hidden;
  background:
    linear-gradient(180deg, rgba(144, 162, 185, 0.1), rgba(3, 3, 3, 0.72)),
    linear-gradient(90deg, rgba(144, 162, 185, 0.1) 1px, transparent 1px),
    linear-gradient(rgba(144, 162, 185, 0.08) 1px, transparent 1px),
    radial-gradient(circle at 64% 38%, rgba(144, 162, 185, 0.22), transparent 16%),
    radial-gradient(circle at 36% 58%, rgba(79, 109, 138, 0.22), transparent 18%),
    #050607;
  background-size: auto, 46px 46px, 46px 46px, auto, auto, auto;
}

.image-card::before {
  position: absolute;
  inset: 18% 14% 24%;
  border: 1px solid rgba(144, 162, 185, 0.22);
  transform: skewX(-12deg);
  content: "";
}

.image-card::after {
  position: absolute;
  inset: 28% 26% 36% 42%;
  border: 1px solid rgba(244, 245, 247, 0.24);
  background: rgba(144, 162, 185, 0.06);
  transform: skewX(-12deg);
  content: "";
}

.image-card > div {
  position: relative;
  max-width: 620px;
}

.image-card h2 {
  margin: 0;
  color: var(--white);
  font-size: clamp(22px, 1.8vw, 30px);
  line-height: 1.12;
}

.text-stack {
  max-width: 840px;
}

.text-stack p {
  line-height: 1.65;
}

.compact-quote {
  margin: 42px 0;
}

.compact-quote p,
.compact-quote small {
  display: block;
  margin: 0;
  font-size: 15px;
}

.plain-group ul {
  display: grid;
  gap: 18px;
  padding: 0;
  margin: 0;
  list-style: none;
}

.plain-group li::before {
  margin-right: 16px;
  color: var(--dim);
  content: "-";
}

.long-section h2,
.validation h2 {
  margin-bottom: 38px;
}

.section-copy {
  max-width: 1040px;
  margin-bottom: 80px;
  line-height: 1.7;
}

.quote-block.wide {
  max-width: 1000px;
  margin-bottom: 90px;
}

.table-wrap {
  overflow-x: auto;
}

table {
  width: 100%;
  min-width: 0;
  border-collapse: collapse;
}

th,
td {
  padding: 24px 0;
  text-align: left;
  border-bottom: 1px solid rgba(144, 162, 185, 0.1);
  font-size: 13px;
}

th {
  color: var(--dim);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.35em;
  text-transform: uppercase;
}

td {
  color: #505663;
}

td:first-child,
td:last-child {
  color: #d7dce3;
  font-weight: 500;
}

.formula-grid,
.metric-grid,
.primitive-grid,
.principle-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.formula-grid,
.metric-grid,
.primitive-grid {
  gap: 36px;
}

.formula-grid {
  margin-top: 76px;
}

.formula-grid article,
.metric-grid article,
.primitive-grid article {
  min-height: 138px;
  padding: 32px;
  border: 1px solid rgba(144, 162, 185, 0.16);
  background: rgba(6, 7, 8, 0.48);
}

.formula-grid span,
.metric-grid p,
.primitive-grid span {
  display: block;
  margin-bottom: 20px;
  color: var(--dim);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.35em;
  text-transform: uppercase;
}

.formula-grid p,
.metric-grid span,
.metric-grid small {
  color: var(--muted);
  font-size: 13px;
}

.selected {
  border-color: rgba(144, 162, 185, 0.4) !important;
}

.scaling-conclusion {
  max-width: 860px;
  margin-top: 88px;
}

.scaling-conclusion p {
  color: #626977;
  font-size: 14px;
  line-height: 1.6;
}

.scaling-conclusion strong {
  display: block;
  margin-top: 28px;
  color: var(--white);
  font-size: 17px;
  font-weight: 500;
  line-height: 1.45;
}

.validation {
  width: min(1200px, calc(100% - 180px));
}

.metric-grid {
  margin: 84px 0 70px;
}

.metric-grid strong {
  display: block;
  margin-bottom: 12px;
  color: var(--white);
  font-size: clamp(40px, 3.8vw, 64px);
  font-weight: 400;
  letter-spacing: -0.06em;
}

.metric-grid small {
  display: block;
  margin-top: 22px;
  color: #505663;
  font-family: "Courier New", monospace;
}

.scale-card {
  display: grid;
  grid-template-columns: minmax(0, 0.86fr) minmax(420px, 1fr);
  gap: 70px;
  padding: 52px;
  border: 1px solid rgba(144, 162, 185, 0.16);
}

.bar-list {
  display: grid;
  gap: 26px;
  align-content: center;
}

.bar-list div {
  display: grid;
  grid-template-columns: 180px 1fr 80px;
  gap: 22px;
  align-items: center;
  color: var(--muted);
}

.bar-list i {
  height: 8px;
  background:
    linear-gradient(90deg, var(--white) var(--w), rgba(144, 162, 185, 0.12) var(--w));
}

.bar-list strong {
  color: var(--white);
  font-weight: 500;
  text-align: right;
}

.reason-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 100px;
  margin-top: 88px;
}

.benchmark-note {
  margin-top: 84px;
  padding-top: 36px;
  color: #414753;
  border-top: 1px solid rgba(144, 162, 185, 0.12);
  font-family: "Courier New", monospace;
  font-size: 12px;
  line-height: 1.55;
}

.reason-grid ol,
.program-list {
  display: grid;
  gap: 22px;
  padding: 0;
  margin: 0;
  list-style: none;
  counter-reset: item;
}

.reason-grid li,
.program-list li {
  counter-increment: item;
}

.reason-grid li::before,
.program-list li::before {
  margin-right: 22px;
  color: var(--dim);
  content: counter(item, decimal-leading-zero);
}

.reason-grid strong,
.program-list strong {
  color: var(--white);
  font-weight: 500;
}

.engine {
  width: min(1320px, calc(100% - 180px));
}

.engine .section-copy {
  margin-bottom: 70px;
}

.primitive-grid article {
  min-height: 170px;
}

.foundation-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  gap: 100px;
  margin-top: 130px;
}

.tag-cloud {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 36px;
}

.tag-cloud span {
  padding: 12px 18px;
  color: var(--muted);
  border: 1px solid rgba(144, 162, 185, 0.16);
  font-family: "Courier New", monospace;
}

.program-list span {
  display: block;
  margin: 8px 0 0 44px;
}

.principles {
  width: min(1400px, calc(100% - 240px));
}

.principles h2 {
  max-width: 760px;
  margin-bottom: 42px;
}

.principles .section-copy {
  max-width: 830px;
  margin-bottom: 24px;
}

.principle-grid {
  margin-top: 140px;
  border-top: 1px solid rgba(144, 162, 185, 0.14);
  border-left: 1px solid rgba(144, 162, 185, 0.14);
}

.principle-grid article {
  min-height: 250px;
  padding: 52px 46px;
  border-right: 1px solid rgba(144, 162, 185, 0.14);
  border-bottom: 1px solid rgba(144, 162, 185, 0.14);
  background: rgba(5, 5, 6, 0.42);
}

.principle-grid span {
  display: inline-block;
  margin-right: 20px;
  color: var(--dim);
  font-size: 14px;
}

.principle-grid h3 {
  display: inline;
  font-size: 18px;
  font-weight: 600;
  letter-spacing: -0.035em;
}

.principle-grid p {
  margin: 36px 0 0;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.6;
}

.final-section {
  width: min(1200px, calc(100% - 240px));
  padding-top: 90px;
}

.domains {
  display: flex;
  flex-wrap: wrap;
  gap: 26px;
  align-items: center;
  min-height: 48px;
  color: var(--dim);
}

.domains span:first-child {
  color: var(--dim);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.35em;
  text-transform: uppercase;
}

.domains span:not(:first-child) {
  padding-bottom: 8px;
  border-bottom: 1px solid rgba(144, 162, 185, 0.16);
  color: var(--muted);
  font-size: 14px;
}

.domains i {
  width: 1px;
  height: 24px;
  background: rgba(144, 162, 185, 0.2);
}

.final-copy {
  max-width: 1000px;
  margin-top: 290px;
}

.final-copy h2 {
  margin-bottom: 52px;
  font-size: clamp(30px, 2.7vw, 44px);
  line-height: 1.18;
}

.final-copy h2 span {
  color: var(--muted);
}

.final-copy p {
  max-width: 980px;
  color: var(--muted);
  font-size: 15px;
}

.demo-button {
  display: inline-flex;
  margin-top: 42px;
  padding: 18px 28px;
  color: var(--white);
  border: 1px solid rgba(144, 162, 185, 0.26);
  font-family: "Courier New", monospace;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.14em;
}

.america-block {
  display: grid;
  grid-template-columns: 190px minmax(0, 1fr);
  gap: 48px;
  align-items: center;
  margin-top: 120px;
  padding-top: 78px;
  border-top: 1px solid rgba(144, 162, 185, 0.1);
}

.america-block img,
.flag-mark {
  width: 170px;
}

.america-block img {
  filter: grayscale(1) contrast(1.15);
}

.flag-mark {
  aspect-ratio: 1.9;
  border: 1px solid rgba(144, 162, 185, 0.18);
  background:
    linear-gradient(90deg, #f4f5f7 0 34%, transparent 34%),
    repeating-linear-gradient(
      180deg,
      #f4f5f7 0 8px,
      #030303 8px 16px
    );
  position: relative;
}

.flag-mark::before {
  position: absolute;
  inset: 0 auto auto 0;
  width: 34%;
  height: 54%;
  background:
    radial-gradient(circle, #f4f5f7 1px, transparent 2px) 4px 4px / 12px 10px,
    #030303;
  content: "";
}

.america-block h3 {
  margin-bottom: 22px;
  font-size: 24px;
  font-weight: 400;
}

.america-block p {
  max-width: 900px;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.55;
}

.site-footer {
  width: min(var(--max), calc(100% - 160px));
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
  padding: 36px 0 52px;
  margin-inline: auto;
  color: var(--dim);
  font-size: 10px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.footer-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 22px;
  justify-content: center;
}

.footer-nav a:hover,
.footer-nav [aria-current="page"] {
  color: var(--blue-light);
}

.docs-hero,
.about-hero {
  width: min(900px, calc(100% - 160px));
  margin-left: max(80px, calc((100% - var(--max)) / 2));
  min-height: calc(100svh - var(--header-height));
  display: grid;
  align-content: center;
  padding-top: clamp(52px, 7vh, 76px);
  padding-bottom: clamp(52px, 7vh, 76px);
}

.docs-layout,
.about-grid {
  display: grid;
  grid-template-columns: 240px minmax(0, 1fr);
  gap: 72px;
  align-items: start;
}

.about-grid {
  grid-template-columns: minmax(0, 1fr) minmax(320px, 0.7fr);
}

.docs-nav {
  position: sticky;
  top: 110px;
  display: grid;
  gap: 10px;
}

.docs-nav a {
  color: var(--muted);
}

.docs-content,
.doc-card-grid,
.plain-list {
  display: grid;
  gap: 34px;
}

.docs-content article,
.about-grid article,
.doc-card-grid > div,
.code-block {
  padding: 30px;
  border: 1px solid rgba(144, 162, 185, 0.16);
}

.doc-card-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.code-block {
  color: var(--blue-light);
  font-family: "Courier New", monospace;
}

.plain-list {
  padding: 0;
  margin: 0;
  list-style: none;
}

.page-hero {
  min-height: calc(100svh - var(--header-height));
  display: grid;
  align-content: center;
  padding-top: clamp(52px, 7vh, 76px);
  padding-bottom: clamp(52px, 7vh, 76px);
}

.page-hero h1 {
  max-width: 940px;
  margin-bottom: 42px;
  font-size: clamp(42px, 4.6vw, 78px);
  line-height: 1.12;
}

.page-hero p:not(.eyebrow) {
  max-width: 850px;
  color: var(--muted);
  font-size: clamp(15px, 1.05vw, 18px);
  line-height: 1.7;
}

.application-grid {
  min-height: calc(100svh - var(--header-height));
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  grid-auto-rows: 1fr;
  padding-top: 0;
  padding-bottom: 0;
  border-top: 1px solid rgba(144, 162, 185, 0.12);
}

.application-grid article {
  min-height: 0;
  padding: 52px 44px;
  border-right: 1px solid rgba(144, 162, 185, 0.12);
  border-bottom: 1px solid rgba(144, 162, 185, 0.12);
}

.application-grid article:nth-child(3n) {
  border-right: 0;
}

.application-grid span {
  margin-right: 22px;
  color: var(--dim);
  font-size: 12px;
  letter-spacing: 0.08em;
}

.application-grid h3 {
  display: inline;
  font-size: 20px;
  font-weight: 600;
  letter-spacing: -0.035em;
}

.application-grid p {
  margin: 34px 0 0;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.65;
}

.partner-section {
  min-height: calc(100svh - var(--header-height));
  display: grid;
  align-content: center;
}

.partner-section h2 {
  margin-bottom: 30px;
  font-size: clamp(30px, 2.5vw, 44px);
}

.partner-section p {
  max-width: 760px;
  color: var(--muted);
  font-size: 17px;
  line-height: 1.7;
}

.compact-final {
  margin-top: 0;
}

.careers-hero h1 span:first-child {
  color: var(--white);
}

.careers-hero h1 span:last-child {
  color: var(--blue-light);
}

.careers-section h2 {
  margin-bottom: 44px;
}

.job-list {
  display: grid;
  gap: 28px;
}

.job-list article {
  display: grid;
  grid-template-columns: 220px minmax(0, 1fr) minmax(280px, 0.7fr);
  gap: 42px;
  padding: 34px 0;
  border-top: 1px solid rgba(144, 162, 185, 0.14);
}

.job-meta {
  display: grid;
  align-content: start;
  gap: 8px;
  color: var(--dim);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.job-main p {
  max-width: 720px;
  color: var(--muted);
  font-size: 15px;
}

.job-main a {
  display: inline-flex;
  margin-top: 20px;
  padding-bottom: 4px;
  color: var(--blue-light);
  border-bottom: 1px solid rgba(144, 162, 185, 0.28);
}

.job-list ul {
  display: grid;
  gap: 10px;
  padding: 0;
  margin: 0;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.55;
  list-style: none;
}

.job-list li::before {
  margin-right: 8px;
  color: var(--dim);
  content: "-";
}

.careers-note {
  margin-top: 42px;
  color: var(--muted);
}

.careers-note a {
  color: var(--white);
}

.research-workspace {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(320px, 0.46fr);
  gap: 48px;
  align-items: stretch;
}

.research-library-panel,
.research-index,
.research-reader {
  border: 1px solid rgba(144, 162, 185, 0.16);
  background: rgba(6, 7, 8, 0.38);
}

.research-library-panel,
.research-index {
  padding: 42px;
}

.research-library-panel h2 {
  margin-bottom: 24px;
  font-size: clamp(28px, 2.4vw, 40px);
}

.research-library-panel p {
  max-width: 760px;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.7;
}

.research-library-panel code,
.research-empty code {
  color: var(--blue-light);
  font-family: "Courier New", monospace;
}

.research-document-list {
  display: grid;
  gap: 12px;
}

.research-document-list button {
  display: grid;
  gap: 8px;
  width: 100%;
  padding: 18px;
  color: var(--muted);
  text-align: left;
  background: rgba(3, 3, 3, 0.4);
  border: 1px solid rgba(144, 162, 185, 0.12);
  cursor: pointer;
}

.research-document-list button:hover,
.research-document-list button[aria-current="true"] {
  border-color: rgba(144, 162, 185, 0.36);
  background: rgba(144, 162, 185, 0.05);
}

.research-document-list strong {
  color: var(--white);
  font-size: 13px;
  font-weight: 500;
}

.research-document-list span {
  color: var(--dim);
  font-family: "Courier New", monospace;
  font-size: 11px;
  line-height: 1.4;
}

.research-reader {
  padding: 0;
}

.research-reader-head {
  display: flex;
  gap: 24px;
  align-items: start;
  justify-content: space-between;
  padding: 36px 42px;
  border-bottom: 1px solid rgba(144, 162, 185, 0.14);
}

.research-reader-head h2 {
  margin-bottom: 0;
  font-size: clamp(26px, 2.2vw, 38px);
}

.research-reader-head > span {
  color: var(--blue-light);
  font-family: "Courier New", monospace;
  font-size: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.research-preview {
  padding: 28px;
  margin: 0;
  overflow: visible;
  color: #d7dce3;
  background:
    linear-gradient(rgba(144, 162, 185, 0.04) 1px, transparent 1px),
    #050607;
  background-size: 100% 32px;
  font-family: "Courier New", monospace;
  font-size: 13px;
  line-height: 1.7;
  white-space: pre-wrap;
}

.research-rendered {
  display: grid;
  gap: 30px;
  padding: 42px;
  background: #050607;
}

.research-document-head {
  display: grid;
  gap: 14px;
  padding-bottom: 26px;
  border-bottom: 1px solid rgba(144, 162, 185, 0.14);
}

.research-document-head span,
.research-doc-section > span {
  color: var(--dim);
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0.24em;
  text-transform: uppercase;
}

.research-document-head h3 {
  margin: 0;
  max-width: 860px;
  color: var(--white);
  font-size: var(--title-size);
  font-weight: 400;
  line-height: 1.08;
  letter-spacing: -0.045em;
}

.research-document-head p,
.research-doc-section p,
.research-empty {
  max-width: 900px;
  margin: 0;
  color: var(--muted);
  font-size: var(--body-size);
  line-height: var(--body-line);
}

.research-doc-section {
  display: grid;
  gap: 16px;
}

.research-doc-section h4,
.research-doc-section h5 {
  margin: 0;
  color: var(--white);
  font-weight: 400;
  letter-spacing: -0.035em;
}

.research-doc-section h4 {
  font-size: clamp(22px, 2vw, 32px);
}

.research-doc-section h5 {
  font-size: 18px;
  font-weight: 500;
}

.research-source-panel {
  border-top: 1px solid rgba(144, 162, 185, 0.14);
}

.research-source-panel summary {
  padding: 18px 42px;
  color: var(--muted);
  border-bottom: 1px solid rgba(144, 162, 185, 0.1);
  cursor: pointer;
  font-family: "Courier New", monospace;
  font-size: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.latex-equation {
  max-width: 900px;
  padding: 20px;
  margin: 6px 0;
  overflow-x: auto;
  color: var(--blue-light);
  background: rgba(3, 3, 3, 0.68);
  border: 1px solid rgba(144, 162, 185, 0.14);
  font-family: "Courier New", monospace;
  font-size: 13px;
  line-height: 1.6;
}

.latex-cite,
.latex-ref {
  color: var(--blue-light);
  font-family: "Courier New", monospace;
  font-size: 0.92em;
}

.contact-grid {
  min-height: calc(100svh - var(--header-height));
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  grid-auto-rows: 1fr;
  gap: 0;
  padding-top: 0;
  padding-bottom: 0;
  border-top: 1px solid rgba(144, 162, 185, 0.12);
}

.contact-grid article {
  min-height: 0;
  padding: 46px 38px;
  border-right: 1px solid rgba(144, 162, 185, 0.12);
  border-bottom: 1px solid rgba(144, 162, 185, 0.12);
}

.contact-grid article:last-child {
  border-right: 0;
}

.contact-grid span {
  display: block;
  margin-bottom: 28px;
  color: var(--dim);
  font-size: 12px;
  letter-spacing: 0.14em;
}

.contact-grid h2 {
  margin-bottom: 24px;
  font-size: clamp(24px, 2vw, 34px);
}

.contact-grid p {
  max-width: 440px;
  color: var(--muted);
  font-size: 15px;
}

.contact-grid a {
  display: inline-flex;
  margin-top: 28px;
  padding-bottom: 5px;
  color: var(--blue-light);
  border-bottom: 1px solid rgba(144, 162, 185, 0.28);
}

/* Cohesive visual system: keep type, spacing, and rules consistent site-wide. */
.section {
  padding: var(--section-y) 0;
  border-bottom: var(--hairline);
}

.hero,
.page-hero,
.docs-hero,
.about-hero,
.split-section,
.partner-section {
  padding-top: var(--section-y);
  padding-bottom: var(--section-y);
}

h1,
h2,
.page-hero h1,
.final-copy h2,
.partner-section h2,
.research-library-panel h2,
.research-reader-head h2,
.contact-grid h2 {
  max-width: 920px;
  margin-bottom: 28px;
  font-size: var(--title-size);
  font-weight: 400;
  line-height: 1.08;
  letter-spacing: -0.045em;
}

h3,
.image-card h2,
.application-grid h3,
.principle-grid h3,
.america-block h3 {
  margin-bottom: 16px;
  font-size: var(--card-title-size);
  font-weight: 500;
  line-height: 1.25;
  letter-spacing: -0.025em;
}

body,
p,
li,
td,
.quote-block small,
.section-copy,
.lead,
.text-stack > p,
.plain-group li,
.scale-card p,
.reason-grid li,
.primitive-grid p,
.program-list span,
.final-copy p,
.america-block p,
.page-hero p:not(.eyebrow),
.partner-section p,
.job-main p,
.job-list ul,
.research-library-panel p,
.contact-grid p,
.application-grid p,
.principle-grid p {
  font-size: var(--body-size);
  line-height: var(--body-line);
}

.quote-block p {
  font-size: var(--subtitle-size);
  line-height: var(--body-line);
}

.eyebrow,
th,
.domains span:first-child,
.formula-grid span,
.metric-grid p,
.primitive-grid span,
.job-meta,
.application-grid span,
.contact-grid span,
.research-reader-head > span,
.demo-button,
.site-footer {
  font-size: var(--label-size);
  font-weight: 500;
  letter-spacing: 0.24em;
}

.section-copy,
.quote-block.wide,
.metric-grid,
.scale-card,
.reason-grid,
.foundation-grid,
.principle-grid,
.final-copy,
.america-block,
.research-workspace {
  margin-top: 0;
}

.section-copy {
  max-width: 900px;
  margin-bottom: 48px;
}

.quote-block {
  border-left: var(--hairline);
}

.quote-block.wide,
.metric-grid,
.formula-grid,
.principle-grid,
.foundation-grid,
.research-workspace {
  margin-top: 56px;
}

.split-section,
.scale-card,
.reason-grid,
.foundation-grid,
.research-workspace,
.america-block {
  gap: var(--grid-gap);
}

.formula-grid,
.metric-grid,
.primitive-grid,
.doc-card-grid,
.job-list {
  gap: var(--grid-gap);
}

.image-card,
.formula-grid article,
.metric-grid article,
.primitive-grid article,
.principle-grid article,
.docs-content article,
.about-grid article,
.doc-card-grid > div,
.code-block,
.research-library-panel,
.research-index,
.research-reader,
.contact-grid article,
.application-grid article {
  border-color: rgba(144, 162, 185, 0.14);
}

.formula-grid article,
.metric-grid article,
.primitive-grid article,
.principle-grid article,
.docs-content article,
.about-grid article,
.doc-card-grid > div,
.code-block,
.research-library-panel,
.research-index,
.research-reader-head,
.research-rendered,
.research-preview,
.contact-grid article,
.application-grid article {
  padding: var(--panel-pad);
}

.application-grid p,
.principle-grid p,
.contact-grid p {
  margin-top: 24px;
}

.metric-grid strong {
  font-size: var(--title-size);
  line-height: 1.08;
}

.demo-button {
  padding: 14px 22px;
  border: var(--hairline);
}

/* Alignment and form cleanup pass. */
:root {
  --max: 1360px;
  --section-y: clamp(52px, 6vw, 72px);
  --panel-pad: 24px;
  --grid-gap: 24px;
}

.section,
.validation,
.engine,
.principles,
.final-section,
.docs-hero,
.about-hero,
.site-footer {
  width: min(var(--max), calc(100% - 240px));
  margin-inline: auto;
}

.section {
  min-height: calc(100svh - var(--header-height));
  display: grid;
  align-content: center;
}

.docs-hero,
.about-hero {
  margin-left: auto;
}

.hero,
.split-section,
.research-workspace,
.docs-layout,
.about-grid,
.contact-section,
.scale-card,
.foundation-grid,
.america-block {
  align-items: start;
}

.hero,
.split-section,
.contact-section,
.research-workspace,
.about-grid,
.docs-layout {
  gap: clamp(40px, 5vw, 72px);
}

.hero,
.page-hero,
.docs-hero,
.about-hero {
  min-height: calc(100svh - var(--header-height));
}

.hero {
  grid-template-columns: minmax(0, 0.95fr) minmax(360px, 0.65fr);
}

.split-section {
  grid-template-columns: minmax(360px, 0.72fr) minmax(0, 0.88fr);
}

.text-stack,
.hero-copy,
.final-copy,
.partner-section > div {
  max-width: 760px;
}

.page-hero p:not(.eyebrow),
.section-copy,
.lead,
.text-stack p,
.final-copy p,
.partner-section p {
  max-width: 760px;
}

.eyebrow {
  margin-bottom: 24px;
}

h1,
h2,
.page-hero h1,
.final-copy h2,
.partner-section h2,
.research-library-panel h2,
.research-reader-head h2,
.contact-grid h2,
.contact-form h2 {
  max-width: 860px;
  margin-bottom: 22px;
}

.quote-block {
  max-width: 700px;
  padding-left: 22px;
}

.compact-quote {
  margin: 32px 0;
}

.formula-grid,
.metric-grid,
.primitive-grid,
.doc-card-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.principle-grid,
.application-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.application-grid,
.contact-grid {
  min-height: auto;
  border-top: var(--hairline);
}

.application-grid article,
.principle-grid article,
.contact-grid article,
.formula-grid article,
.metric-grid article,
.primitive-grid article,
.docs-content article,
.about-grid article,
.doc-card-grid > div,
.research-library-panel,
.research-index,
.research-reader,
.contact-form,
.contact-aside {
  background: rgba(5, 6, 7, 0.42);
  border: var(--hairline);
}

.application-grid article,
.contact-grid article,
.principle-grid article {
  border-left: 0;
  border-top: 0;
}

.metric-grid {
  margin: 36px 0;
}

.scale-card,
.reason-grid,
.foundation-grid,
.principle-grid,
.america-block {
  margin-top: 36px;
}

.principle-grid article,
.application-grid article,
.contact-grid article {
  min-height: 180px;
}

.final-copy {
  margin-top: 72px;
}

.america-block {
  padding-top: 36px;
}

.contact-section {
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(320px, 0.46fr);
}

.contact-form,
.contact-aside {
  padding: var(--panel-pad);
}

.contact-form {
  display: grid;
  gap: 16px;
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.contact-form label {
  display: grid;
  gap: 10px;
}

.contact-form label span,
.contact-aside span {
  color: var(--dim);
  font-family: "Courier New", monospace;
  font-size: var(--label-size);
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.contact-form input,
.contact-form select,
.contact-form textarea {
  width: 100%;
  min-height: 46px;
  padding: 12px 14px;
  color: var(--white);
  background: rgba(3, 3, 3, 0.72);
  border: var(--hairline);
  border-radius: 0;
  font: inherit;
  font-size: var(--body-size);
}

.contact-form textarea {
  resize: vertical;
}

.contact-form input:focus,
.contact-form select:focus,
.contact-form textarea:focus {
  outline: 1px solid var(--blue-light);
  outline-offset: 0;
}

.contact-form button {
  width: fit-content;
  margin-top: 6px;
  background: transparent;
  cursor: pointer;
}

.contact-aside {
  display: grid;
  gap: 20px;
  align-content: start;
}

.contact-aside div {
  display: grid;
  gap: 10px;
  padding-top: 18px;
  border-top: var(--hairline);
}

.contact-aside h3 {
  margin: 0;
}

.contact-aside a {
  color: var(--blue-light);
  font-family: "Courier New", monospace;
  font-size: 12px;
}

.long-section,
.validation,
.engine,
.principles,
.docs-layout,
.about-grid,
.careers-section,
.research-reader,
.contact-section,
.final-section {
  align-content: start;
}

.table-wrap {
  overflow: visible;
}

.quote-block.wide,
.formula-grid,
.foundation-grid,
.principle-grid,
.research-workspace {
  margin-top: 36px;
}

.scaling-conclusion,
.benchmark-note {
  margin-top: 28px;
}

.reason-grid {
  gap: 48px;
  margin-top: 32px;
}

.metric-grid strong {
  margin-bottom: 8px;
}

.metric-grid small {
  margin-top: 14px;
}

.job-list {
  gap: 14px;
}

.job-list article {
  padding: 22px 0;
}

.research-preview {
  min-height: 0;
}

@media (max-width: 980px) {
  .section {
    min-height: calc(100svh - var(--header-height));
  }

  .menu-button {
    display: inline-flex;
  }

  .site-nav {
    position: absolute;
    top: 76px;
    right: 24px;
    left: 24px;
    display: none;
    flex-direction: column;
    align-items: flex-start;
    gap: 0;
    padding: 12px;
    background: var(--near);
    border: 1px solid var(--line);
  }

  .site-nav.is-open {
    display: flex;
  }

  .site-nav a {
    width: 100%;
    padding: 12px;
  }

  .hero,
  .split-section,
  .scale-card,
  .reason-grid,
  .foundation-grid,
  .docs-layout,
  .about-grid,
  .research-workspace,
  .contact-section,
  .application-grid,
  .contact-grid,
  .job-list article {
    grid-template-columns: 1fr;
  }

  .phase-visual {
    min-height: 420px;
  }

  .formula-grid,
  .metric-grid,
  .primitive-grid,
  .principle-grid,
  .doc-card-grid {
    grid-template-columns: 1fr;
  }

  .principles,
  .final-section {
    width: min(100% - 48px, var(--max));
  }

  .final-copy {
    margin-top: 120px;
  }

  .america-block {
    grid-template-columns: 1fr;
  }

  .application-grid article,
  .application-grid article:nth-child(3n),
  .contact-grid article {
    border-right: 0;
  }

  .form-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  .section,
  .validation,
  .engine,
  .principles,
  .final-section,
  .site-footer,
  .docs-hero,
  .about-hero,
  .page-hero,
  .application-grid,
  .contact-grid,
  .research-workspace,
  .research-reader,
  .contact-section,
  .partner-section,
  .careers-section {
    width: min(100% - 32px, var(--max));
  }

  .site-header {
    padding-inline: 18px;
  }

  .logo-link {
    width: 138px;
  }

  h1 {
    font-size: 34px;
  }

  h2 {
    font-size: 34px;
  }

  .page-hero h1 {
    font-size: 34px;
  }

  .quote-block p {
    font-size: var(--subtitle-size);
  }

  .application-grid article {
    min-height: auto;
    padding: 32px 0;
  }

  .partner-section {
    min-height: auto;
  }

  .job-list article {
    gap: 24px;
  }

  .contact-grid article {
    min-height: auto;
    padding: 32px 0;
  }

  .research-library-panel,
  .research-index,
  .research-reader-head,
  .research-rendered,
  .research-preview,
  .contact-form,
  .contact-aside {
    padding: 28px;
  }

  .site-footer {
    align-items: flex-start;
    flex-direction: column;
  }

  .image-card,
  .scale-card {
    padding: 28px;
  }
}

/* Brockmann composition pass: viewport sections, strict columns, reference-aligned rhythm. */
:root {
  --max: 1720px;
  --outer: clamp(52px, 5.8vw, 96px);
  --gutter: clamp(28px, 3vw, 56px);
  --header-height: 88px;
  --section-y: clamp(64px, 7vh, 92px);
  --panel-pad: clamp(26px, 2.3vw, 42px);
  --hero-size: clamp(58px, 6.2vw, 118px);
  --title-size: clamp(42px, 4.2vw, 78px);
  --section-title: clamp(34px, 3vw, 54px);
  --card-title-size: 22px;
  --body-size: 16px;
  --small-size: 14px;
  --label-size: 12px;
  --body-line: 1.55;
  --hairline: 1px solid rgba(144, 162, 185, 0.13);
}

html {
  background: var(--black);
}

body {
  background: var(--black);
  font-size: var(--body-size);
  line-height: var(--body-line);
  text-rendering: geometricPrecision;
}

.site-header {
  height: var(--header-height);
  padding-inline: max(var(--outer), calc((100vw - var(--max)) / 2));
  background: rgba(3, 3, 3, 0.92);
  border-bottom: var(--hairline);
}

.logo-link {
  width: 168px;
  height: 48px;
}

.site-nav {
  gap: clamp(24px, 2.5vw, 46px);
  color: #59606d;
  font-size: 11px;
  letter-spacing: 0.24em;
}

.section,
.validation,
.engine,
.principles,
.final-section,
.docs-hero,
.about-hero,
.site-footer {
  width: min(var(--max), calc(100% - (var(--outer) * 2)));
  margin-inline: auto;
}

.section {
  min-height: calc(100svh - var(--header-height));
  padding-block: var(--section-y);
  display: grid;
  align-content: center;
  border-bottom: var(--hairline);
}

.hero,
.page-hero,
.docs-hero,
.about-hero,
.split-section,
.partner-section {
  min-height: calc(100svh - var(--header-height));
  padding-block: var(--section-y);
  align-content: center;
}

.hero,
.split-section,
.research-workspace,
.docs-layout,
.about-grid,
.contact-section,
.scale-card,
.foundation-grid,
.america-block {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  column-gap: var(--gutter);
  row-gap: clamp(34px, 4vh, 64px);
  align-items: center;
}

.hero-copy {
  grid-column: 1 / span 5;
}

.phase-visual {
  grid-column: 8 / -1;
  min-height: min(54vh, 560px);
}

.split-section .image-card {
  grid-column: 1 / span 6;
}

.split-section .text-stack {
  grid-column: 8 / -1;
}

.docs-nav,
.contact-aside {
  grid-column: 1 / span 3;
}

.docs-content,
.contact-form {
  grid-column: 5 / -1;
}

.about-grid > article:first-child,
.research-library-panel {
  grid-column: 1 / span 7;
}

.about-grid > article:last-child,
.research-index {
  grid-column: 9 / -1;
}

.scale-card > div:first-child,
.foundation-grid > div:first-child,
.america-block > :first-child {
  grid-column: 1 / span 5;
}

.scale-card > div:last-child,
.foundation-grid > div:last-child,
.america-block > :last-child {
  grid-column: 7 / -1;
}

h1,
h2,
h3,
.page-hero h1,
.final-copy h2,
.partner-section h2,
.research-library-panel h2,
.research-reader-head h2,
.contact-form h2,
.research-document-head h3 {
  margin: 0 0 clamp(22px, 2.6vh, 42px);
  color: var(--white);
  font-weight: 400;
  letter-spacing: -0.052em;
  line-height: 0.98;
}

h1,
.hero h1 {
  max-width: 820px;
  font-size: var(--hero-size);
  line-height: 0.9;
}

h2,
.page-hero h1,
.final-copy h2,
.partner-section h2,
.research-library-panel h2,
.research-reader-head h2,
.contact-form h2,
.research-document-head h3 {
  max-width: 900px;
  font-size: var(--title-size);
}

.long-section h2,
.validation h2,
.engine h2,
.principles h2 {
  max-width: 960px;
  font-size: var(--section-title);
}

h3,
.image-card h2,
.application-grid h3,
.principle-grid h3,
.america-block h3,
.job-main h3,
.contact-aside h3,
.research-doc-section h4 {
  font-size: var(--card-title-size);
  font-weight: 500;
  letter-spacing: -0.035em;
  line-height: 1.18;
}

p,
li,
td,
.lead,
.section-copy,
.text-stack > p,
.page-hero p:not(.eyebrow),
.partner-section p,
.final-copy p,
.america-block p,
.research-library-panel p,
.research-doc-section p,
.application-grid p,
.principle-grid p,
.job-main p,
.job-list ul,
.contact-grid p {
  max-width: 760px;
  color: var(--muted);
  font-size: var(--body-size);
  line-height: var(--body-line);
}

.eyebrow,
th,
.domains span:first-child,
.formula-grid span,
.metric-grid p,
.primitive-grid span,
.job-meta,
.application-grid span,
.contact-grid span,
.research-reader-head > span,
.demo-button,
.site-footer,
.research-document-head span,
.research-doc-section > span,
.contact-form label span,
.contact-aside span {
  margin: 0 0 clamp(20px, 3vh, 36px);
  color: var(--dim);
  font-size: var(--label-size);
  font-weight: 500;
  letter-spacing: 0.34em;
  line-height: 1.25;
  text-transform: uppercase;
}

.line-label {
  gap: 22px;
}

.line-label::before {
  width: 58px;
  background: var(--blue-light);
}

.quote-block {
  max-width: 820px;
  padding-left: 30px;
  border-left: 2px solid rgba(144, 162, 185, 0.55);
}

.quote-block p {
  margin-bottom: 18px;
  color: var(--white);
  font-size: clamp(19px, 1.35vw, 26px);
  line-height: 1.36;
}

.quote-block small {
  color: var(--muted);
  font-size: var(--body-size);
  line-height: var(--body-line);
}

.image-card {
  min-height: min(56vh, 520px);
  padding: clamp(36px, 3.8vw, 64px);
  background:
    linear-gradient(180deg, rgba(144, 162, 185, 0.075), rgba(3, 3, 3, 0.84)),
    radial-gradient(circle at 58% 38%, rgba(144, 162, 185, 0.13), transparent 17%),
    #050607;
}

.image-card::before {
  inset: 10% 12% 22%;
  border-color: rgba(144, 162, 185, 0.18);
}

.image-card::after {
  inset: 20% 24% 38% 42%;
  border-color: rgba(144, 162, 185, 0.18);
  background: rgba(144, 162, 185, 0.04);
}

.text-stack {
  max-width: none;
}

.text-stack h2 {
  max-width: 760px;
}

.plain-group ul,
.reason-grid ol,
.program-list,
.plain-list {
  gap: 18px;
}

.long-section,
.validation,
.engine,
.principles,
.final-section,
.docs-layout,
.about-grid,
.careers-section,
.research-reader,
.contact-section {
  align-content: start;
}

.long-section,
.validation,
.engine,
.principles,
.careers-section,
.docs-layout,
.research-reader,
.contact-section {
  padding-top: clamp(80px, 9vh, 124px);
  padding-bottom: clamp(80px, 9vh, 124px);
}

.section-copy,
.quote-block.wide,
.metric-grid,
.formula-grid,
.primitive-grid,
.principle-grid,
.foundation-grid,
.research-workspace,
.scale-card,
.reason-grid,
.america-block {
  margin-top: clamp(36px, 5vh, 72px);
}

.section-copy {
  margin-bottom: clamp(36px, 5vh, 68px);
}

.table-wrap {
  width: 100%;
  overflow-x: auto;
}

table {
  table-layout: fixed;
}

th,
td {
  padding: 21px 28px 21px 0;
  vertical-align: top;
  font-size: var(--small-size);
}

td {
  color: #697180;
}

td:first-child,
td:last-child {
  color: #dce1e8;
}

.formula-grid,
.metric-grid,
.primitive-grid,
.principle-grid,
.application-grid,
.contact-grid,
.doc-card-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0;
  border-top: var(--hairline);
  border-left: var(--hairline);
}

.formula-grid article,
.metric-grid article,
.primitive-grid article,
.principle-grid article,
.application-grid article,
.contact-grid article,
.doc-card-grid > div {
  min-height: clamp(170px, 20vh, 240px);
  padding: clamp(30px, 3vw, 48px);
  border: 0;
  border-right: var(--hairline);
  border-bottom: var(--hairline);
  background: rgba(5, 6, 7, 0.24);
}

.metric-grid strong {
  display: block;
  margin: 4px 0 12px;
  font-size: clamp(42px, 4.2vw, 78px);
  font-weight: 400;
  letter-spacing: -0.055em;
}

.metric-grid small,
.formula-grid p {
  color: #505866;
  font-size: var(--small-size);
}

.scale-card,
.foundation-grid,
.america-block {
  padding: 0;
  border: 0;
  background: transparent;
}

.bar-list {
  gap: 28px;
  align-content: start;
}

.bar-list div {
  grid-template-columns: 210px 1fr 86px;
  gap: 28px;
}

.bar-list i {
  height: 9px;
}

.reason-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: clamp(72px, 8vw, 130px);
  margin-top: clamp(72px, 8vh, 110px);
}

.reason-grid li,
.program-list span {
  max-width: none;
}

.benchmark-note {
  margin-top: clamp(56px, 7vh, 96px);
  padding-top: 28px;
}

.engine .section-copy {
  margin-bottom: clamp(40px, 5vh, 72px);
}

.foundation-grid {
  margin-top: clamp(88px, 12vh, 160px);
}

.tag-cloud {
  gap: 12px;
}

.tag-cloud span {
  padding: 13px 18px;
  font-size: 14px;
}

.principle-grid article {
  min-height: clamp(230px, 28vh, 320px);
}

.final-section {
  align-content: start;
}

.final-copy {
  max-width: 980px;
  margin-top: clamp(150px, 22vh, 280px);
}

.domains {
  gap: 28px;
}

.america-block {
  padding-top: clamp(62px, 8vh, 90px);
  border-top: var(--hairline);
}

.flag-mark {
  width: 172px;
}

.docs-layout {
  align-items: start;
}

.docs-nav {
  position: sticky;
  top: 116px;
  gap: 12px;
}

.docs-nav a {
  padding-bottom: 12px;
  border-bottom: var(--hairline);
  color: var(--muted);
  font-size: 14px;
}

.docs-content,
.job-list {
  gap: 0;
}

.docs-content article,
.about-grid article,
.code-block,
.research-library-panel,
.research-index,
.research-reader,
.contact-form,
.contact-aside {
  padding: clamp(30px, 3vw, 46px);
  border: var(--hairline);
  background: rgba(5, 6, 7, 0.28);
}

.code-block {
  display: grid;
  gap: 12px;
  font-size: var(--small-size);
}

.application-grid,
.contact-grid {
  min-height: auto;
  padding-top: 0;
  padding-bottom: 0;
}

.partner-section {
  display: grid;
  align-content: center;
}

.partner-section > div {
  max-width: 780px;
}

.job-list {
  border-top: var(--hairline);
}

.job-list article {
  display: grid;
  grid-template-columns: 2fr 5fr 5fr;
  gap: var(--gutter);
  padding: clamp(30px, 4vh, 48px) 0;
  border-top: 0;
  border-bottom: var(--hairline);
}

.job-main a {
  margin-top: 14px;
  font-size: var(--small-size);
}

.research-reader {
  padding: 0;
}

.research-reader-head,
.research-rendered,
.research-preview {
  padding: clamp(30px, 3vw, 46px);
}

.research-preview {
  background: #050607;
  background-size: auto;
}

.contact-form,
.contact-aside {
  align-self: start;
}

.contact-form input,
.contact-form select,
.contact-form textarea {
  min-height: 46px;
  padding: 11px 13px;
}

.demo-button {
  margin-top: 34px;
  padding: 15px 23px;
}

.site-footer {
  padding: 38px 0 54px;
}

@media (max-width: 1180px) {
  :root {
    --outer: 34px;
    --title-size: clamp(36px, 5vw, 62px);
    --section-title: clamp(32px, 4.2vw, 48px);
  }

  .hero,
  .split-section,
  .research-workspace,
  .docs-layout,
  .about-grid,
  .contact-section,
  .scale-card,
  .foundation-grid,
  .america-block,
  .job-list article {
    grid-template-columns: 1fr;
  }

  .hero-copy,
  .phase-visual,
  .split-section .image-card,
  .split-section .text-stack,
  .docs-nav,
  .docs-content,
  .contact-form,
  .contact-aside,
  .about-grid > article:first-child,
  .about-grid > article:last-child,
  .research-library-panel,
  .research-index,
  .scale-card > div:first-child,
  .scale-card > div:last-child,
  .foundation-grid > div:first-child,
  .foundation-grid > div:last-child,
  .america-block > :first-child,
  .america-block > :last-child {
    grid-column: auto;
  }

  .site-header {
    display: flex;
    padding-inline: var(--outer);
  }

  .docs-nav {
    position: static;
  }

  .reason-grid {
    grid-template-columns: 1fr;
    gap: 48px;
  }
}

@media (max-width: 760px) {
  :root {
    --outer: 20px;
    --section-y: 60px;
    --hero-size: 42px;
    --title-size: 34px;
    --section-title: 30px;
    --body-size: 14px;
    --label-size: 10px;
  }

  .section,
  .validation,
  .engine,
  .principles,
  .final-section,
  .docs-hero,
  .about-hero,
  .site-footer {
    width: min(100% - 40px, var(--max));
  }

  .site-header {
    height: 72px;
  }

  .logo-link {
    width: 138px;
  }

  .site-nav {
    top: 72px;
  }

  .formula-grid,
  .metric-grid,
  .primitive-grid,
  .principle-grid,
  .application-grid,
  .contact-grid,
  .doc-card-grid {
    grid-template-columns: 1fr;
  }

  .formula-grid article,
  .metric-grid article,
  .primitive-grid article,
  .principle-grid article,
  .application-grid article,
  .contact-grid article,
  .doc-card-grid > div,
  .docs-content article,
  .about-grid article,
  .code-block,
  .research-library-panel,
  .research-index,
  .research-reader-head,
  .research-rendered,
  .research-preview,
  .contact-form,
  .contact-aside {
    padding: 24px;
  }

  .bar-list div {
    grid-template-columns: 1fr;
    gap: 10px;
  }

  .bar-list strong {
    text-align: left;
  }

  .final-copy {
    margin-top: 80px;
  }
}

/* Straight paired proof lists: match the reference alignment. */
.reason-grid {
  align-items: start;
}

.reason-grid article {
  display: grid;
  align-content: start;
}

.reason-grid h3 {
  margin: 0 0 34px;
  color: var(--white);
  font-size: clamp(22px, 1.5vw, 30px);
  font-weight: 400;
  letter-spacing: -0.035em;
}

.reason-grid ol {
  display: grid;
  gap: 26px;
  padding: 0;
  margin: 0;
  list-style: none;
  counter-reset: item;
}

.reason-grid li {
  display: grid;
  grid-template-columns: 46px minmax(0, 1fr);
  column-gap: 0;
  max-width: none;
  color: var(--muted);
  font-size: var(--body-size);
  line-height: 1.5;
  counter-increment: item;
}

.reason-grid li::before {
  grid-column: 1;
  margin: 0;
  color: var(--dim);
  content: counter(item, decimal-leading-zero);
}

.reason-grid li strong {
  color: var(--white);
  font-weight: 500;
}

/* Final reference alignment: straight paired lists and benchmark rule. */
.reason-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: clamp(88px, 12vw, 220px);
  width: 100%;
  margin-top: clamp(72px, 8vh, 108px);
  align-items: start;
}

.reason-grid article {
  display: grid;
  align-content: start;
}

.reason-grid h3 {
  margin: 0 0 34px;
  color: var(--white);
  font-size: clamp(22px, 1.42vw, 28px);
  font-weight: 400;
  line-height: 1.15;
  letter-spacing: -0.035em;
}

.reason-grid ol {
  display: grid;
  grid-template-rows: repeat(3, minmax(42px, auto));
  gap: 18px;
  padding: 0;
  margin: 0;
  list-style: none;
  counter-reset: item;
}

.reason-grid li {
  display: grid;
  grid-template-columns: 40px minmax(0, 1fr);
  align-items: start;
  max-width: none;
  color: var(--muted);
  font-size: clamp(15px, 1.05vw, 19px);
  line-height: 1.48;
  letter-spacing: -0.012em;
  counter-increment: item;
}

.reason-grid li::before {
  grid-column: 1;
  margin: 0;
  color: var(--dim);
  content: counter(item, decimal-leading-zero);
}

.reason-grid li strong {
  color: var(--white);
  font-weight: 500;
}

.benchmark-note {
  width: 100%;
  margin-top: clamp(70px, 8vh, 104px);
  padding-top: 30px;
  color: #343a45;
  border-top: 1px solid rgba(144, 162, 185, 0.12);
  font-family: "Courier New", monospace;
  font-size: clamp(11px, 0.8vw, 13px);
  line-height: 1.55;
  letter-spacing: 0.02em;
}

@media (max-width: 900px) {
  .reason-grid {
    grid-template-columns: 1fr;
    gap: 48px;
  }

  .reason-grid ol {
    grid-template-rows: none;
  }
}

/* Repair proof-list text flow: keep number columns straight without splitting sentences. */
.reason-grid li {
  position: relative;
  display: block;
  min-height: 42px;
  padding-left: 40px;
  max-width: none;
  color: var(--muted);
  font-size: clamp(15px, 1.05vw, 19px);
  line-height: 1.48;
  letter-spacing: -0.012em;
  counter-increment: item;
}

.reason-grid li::before {
  position: absolute;
  top: 0;
  left: 0;
  margin: 0;
  color: var(--dim);
  content: counter(item, decimal-leading-zero);
}

.reason-grid li strong {
  display: inline;
  color: var(--white);
  font-weight: 500;
}

/* Contact page discipline: restore a clean two-column grid and aligned form rhythm. */
.contact-hero {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  column-gap: var(--gutter);
  min-height: min(62svh, 620px);
  align-content: center;
}

.contact-hero .eyebrow {
  grid-column: 1 / -1;
}

.contact-hero h1 {
  grid-column: 1 / span 7;
  max-width: none;
  margin: 0;
}

.contact-hero p:not(.eyebrow) {
  grid-column: 9 / -1;
  align-self: end;
  max-width: none;
  margin: 0 0 0.2em;
}

.contact-section {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  column-gap: var(--gutter);
  row-gap: 0;
  min-height: auto;
  padding-top: clamp(70px, 8vh, 112px);
  padding-bottom: clamp(84px, 10vh, 136px);
  align-items: start;
}

.contact-form {
  grid-column: 1 / span 7;
  display: grid;
  gap: 24px;
  padding: clamp(34px, 3.2vw, 52px);
  align-self: start;
}

.contact-form .eyebrow,
.contact-form h2 {
  margin: 0;
}

.contact-form h2 {
  max-width: 620px;
  padding-bottom: 8px;
  font-size: clamp(34px, 3.5vw, 58px);
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 22px 24px;
}

.contact-form label {
  display: grid;
  gap: 9px;
  min-width: 0;
}

.contact-form > label,
.contact-form button {
  width: 100%;
}

.contact-form label span,
.contact-aside span {
  margin: 0;
  color: var(--dim);
  font-family: "Courier New", monospace;
  font-size: var(--label-size);
  font-weight: 500;
  letter-spacing: 0.22em;
  line-height: 1.2;
  text-transform: uppercase;
}

.contact-form input,
.contact-form select,
.contact-form textarea {
  box-sizing: border-box;
  width: 100%;
  min-height: 48px;
  padding: 12px 14px;
  color: var(--white);
  background: #050607;
  border: 1px solid rgba(144, 162, 185, 0.18);
  border-radius: 0;
  font: inherit;
  font-size: var(--small-size);
  line-height: 1.45;
}

.contact-form textarea {
  min-height: 180px;
  resize: vertical;
}

.contact-form .demo-button {
  justify-self: start;
  width: auto;
  margin-top: 8px;
}

.contact-aside {
  grid-column: 9 / -1;
  display: grid;
  gap: 0;
  padding: clamp(34px, 3.2vw, 52px) 0 0;
  background: transparent;
  border-top: 1px solid rgba(144, 162, 185, 0.18);
  border-right: 0;
  border-bottom: 0;
  border-left: 0;
  align-self: start;
}

.contact-aside > .eyebrow {
  margin: 0 0 34px;
}

.contact-aside div {
  display: grid;
  grid-template-columns: 48px minmax(0, 1fr);
  gap: 7px 0;
  padding: 24px 0;
  border-top: 1px solid rgba(144, 162, 185, 0.12);
}

.contact-aside div:first-of-type {
  border-top: 0;
  padding-top: 0;
}

.contact-aside div > span {
  grid-row: 1 / span 2;
  grid-column: 1;
  color: var(--dim);
}

.contact-aside h3,
.contact-aside a {
  grid-column: 2;
  margin: 0;
}

.contact-aside h3 {
  color: var(--white);
  font-size: clamp(18px, 1.35vw, 24px);
  line-height: 1.18;
}

.contact-aside a {
  color: var(--muted);
  font-family: var(--font-sans);
  font-size: var(--small-size);
  line-height: 1.4;
}

.contact-aside a:hover {
  color: var(--blue-light);
}

@media (max-width: 1180px) {
  .contact-hero,
  .contact-section {
    grid-template-columns: 1fr;
  }

  .contact-hero h1,
  .contact-hero p:not(.eyebrow),
  .contact-form,
  .contact-aside {
    grid-column: auto;
  }

  .contact-hero p:not(.eyebrow) {
    max-width: 720px;
    margin-top: 28px;
  }
}

@media (max-width: 760px) {
  .form-grid {
    grid-template-columns: 1fr;
  }

  .contact-form,
  .contact-aside {
    padding: 24px;
  }

  .contact-aside {
    border: 1px solid rgba(144, 162, 185, 0.18);
  }
}

/* Viewport fit pass: sections should land cleanly without top/bottom cropping. */
:root {
  --fit-height: calc(100svh - var(--header-height));
  --fit-y: clamp(34px, 4.8vh, 58px);
  --dense-y: clamp(28px, 4vh, 48px);
}

html {
  scroll-padding-top: calc(var(--header-height) + 18px);
}

main {
  overflow: visible;
}

.section,
.hero,
.page-hero,
.docs-hero,
.about-hero,
.split-section,
.partner-section,
.long-section,
.validation,
.engine,
.principles,
.final-section,
.docs-layout,
.about-grid,
.careers-section,
.research-workspace,
.research-reader,
.contact-section,
.application-grid {
  box-sizing: border-box;
  overflow: visible;
  scroll-margin-top: calc(var(--header-height) + 18px);
}

.section,
.hero,
.page-hero,
.docs-hero,
.about-hero,
.split-section,
.partner-section {
  min-height: var(--fit-height);
  padding-top: var(--fit-y);
  padding-bottom: var(--fit-y);
}

.long-section,
.validation,
.engine,
.principles,
.final-section,
.docs-layout,
.about-grid,
.careers-section,
.research-workspace,
.research-reader,
.contact-section,
.application-grid {
  min-height: auto;
  padding-top: var(--dense-y);
  padding-bottom: var(--dense-y);
  align-content: start;
}

.hero,
.split-section,
.research-workspace,
.docs-layout,
.about-grid,
.contact-section,
.scale-card,
.foundation-grid,
.america-block {
  row-gap: clamp(24px, 3vh, 42px);
}

h1,
h2,
h3,
.page-hero h1,
.final-copy h2,
.partner-section h2,
.research-library-panel h2,
.research-reader-head h2,
.contact-form h2,
.research-document-head h3 {
  margin-bottom: clamp(14px, 2vh, 26px);
}

.long-section h2,
.validation h2,
.engine h2,
.principles h2,
.final-copy h2 {
  font-size: clamp(30px, 2.65vw, 48px);
  line-height: 1.02;
}

.page-hero h1,
.docs-hero h1,
.about-hero h1,
.contact-hero h1 {
  font-size: clamp(36px, 3.8vw, 64px);
  line-height: 1.02;
}

.section-copy,
.page-hero p:not(.eyebrow),
.lead,
.text-stack > p,
.final-copy p,
.partner-section p,
.research-library-panel p,
.research-doc-section p,
.application-grid p,
.principle-grid p,
.job-main p,
.job-list ul,
.contact-grid p {
  max-width: 820px;
  font-size: clamp(13px, 0.95vw, 15px);
  line-height: 1.48;
}

.eyebrow,
th,
.domains span:first-child,
.formula-grid span,
.metric-grid p,
.primitive-grid span,
.job-meta,
.application-grid span,
.contact-grid span,
.research-reader-head > span,
.demo-button,
.site-footer,
.research-document-head span,
.research-doc-section > span,
.contact-form label span,
.contact-aside span {
  margin-bottom: clamp(12px, 1.8vh, 22px);
}

.section-copy {
  margin-top: 0;
  margin-bottom: clamp(18px, 2.6vh, 30px);
}

.quote-block,
.quote-block.wide,
.compact-quote {
  margin: clamp(18px, 2.8vh, 30px) 0;
  padding-left: 22px;
}

.quote-block p {
  margin-bottom: 10px;
  font-size: clamp(16px, 1.15vw, 22px);
}

.phase-visual,
.image-card {
  min-height: clamp(260px, 42vh, 420px);
  max-height: calc(var(--fit-height) - (var(--fit-y) * 2));
}

.image-card {
  padding: clamp(26px, 3vw, 42px);
}

.text-stack h2 {
  max-width: 720px;
  font-size: clamp(36px, 4vw, 72px);
  line-height: 1.02;
}

.plain-group ul,
.reason-grid ol,
.program-list,
.plain-list {
  gap: clamp(10px, 1.6vh, 16px);
}

.table-wrap {
  margin-top: clamp(20px, 3vh, 32px);
  overflow: visible;
}

table {
  width: 100%;
  min-width: 0;
  table-layout: fixed;
}

th,
td {
  padding: clamp(8px, 1.25vh, 14px) clamp(14px, 1.8vw, 26px) clamp(8px, 1.25vh, 14px) 0;
  overflow-wrap: anywhere;
  font-size: clamp(11px, 0.82vw, 13px);
  line-height: 1.34;
}

.formula-grid,
.metric-grid,
.primitive-grid,
.principle-grid,
.application-grid,
.contact-grid,
.doc-card-grid {
  margin-top: clamp(18px, 3vh, 34px);
}

.formula-grid article,
.metric-grid article,
.primitive-grid article,
.principle-grid article,
.application-grid article,
.contact-grid article,
.doc-card-grid > div {
  min-height: clamp(112px, 15vh, 168px);
  padding: clamp(18px, 2.2vw, 32px);
}

.metric-grid {
  margin-bottom: clamp(18px, 2.8vh, 32px);
}

.metric-grid strong {
  margin: 0 0 8px;
  font-size: clamp(34px, 3.2vw, 58px);
  line-height: 1;
}

.metric-grid small,
.formula-grid p,
.metric-grid span {
  font-size: clamp(11px, 0.82vw, 13px);
  line-height: 1.35;
}

.scaling-conclusion,
.scale-card,
.reason-grid,
.foundation-grid,
.america-block {
  margin-top: clamp(22px, 3.4vh, 44px);
}

.scale-card {
  align-items: start;
}

.scale-card h3,
.foundation-grid h3,
.america-block h3,
.contact-aside h3 {
  font-size: clamp(18px, 1.45vw, 24px);
}

.bar-list {
  gap: clamp(14px, 2.2vh, 24px);
}

.bar-list div {
  grid-template-columns: minmax(150px, 0.42fr) minmax(120px, 1fr) 70px;
  gap: clamp(14px, 2vw, 24px);
}

.reason-grid {
  gap: clamp(54px, 7vw, 110px);
  margin-top: clamp(30px, 4.4vh, 56px);
}

.reason-grid h3 {
  margin-bottom: clamp(18px, 2.6vh, 28px);
  font-size: clamp(20px, 1.35vw, 26px);
}

.reason-grid ol {
  gap: clamp(12px, 1.8vh, 18px);
}

.reason-grid li {
  min-height: 0;
  font-size: clamp(13px, 0.95vw, 16px);
  line-height: 1.42;
}

.benchmark-note {
  margin-top: clamp(26px, 4vh, 48px);
  padding-top: clamp(16px, 2vh, 24px);
  font-size: clamp(10px, 0.72vw, 12px);
  line-height: 1.42;
}

.engine .section-copy {
  margin-bottom: clamp(18px, 3vh, 34px);
}

.foundation-grid {
  margin-top: clamp(34px, 5vh, 64px);
}

.tag-cloud {
  gap: 10px;
}

.tag-cloud span {
  padding: 10px 14px;
  font-size: 12px;
}

.program-list li {
  display: grid;
  grid-template-columns: 36px minmax(0, 1fr);
  gap: 8px 0;
}

.program-list li::before {
  grid-row: 1 / span 2;
  margin-right: 0;
}

.program-list strong,
.program-list span {
  grid-column: 2;
}

.principle-grid article {
  min-height: clamp(132px, 18vh, 190px);
}

.final-section {
  min-height: var(--fit-height);
  align-content: center;
}

.final-copy {
  margin-top: clamp(48px, 8vh, 92px);
}

.domains {
  gap: clamp(16px, 2vw, 28px);
}

.america-block {
  padding-top: clamp(28px, 4vh, 48px);
}

.flag-mark {
  width: clamp(120px, 12vw, 164px);
}

.docs-content article,
.about-grid article,
.code-block,
.research-library-panel,
.research-index,
.research-reader,
.contact-form,
.contact-aside {
  padding: clamp(22px, 2.4vw, 36px);
}

.docs-content article + article {
  margin-top: clamp(18px, 2.8vh, 30px);
}

.docs-nav {
  top: calc(var(--header-height) + 18px);
}

.research-reader-head,
.research-rendered,
.research-preview {
  padding: clamp(22px, 2.4vw, 36px);
}

.research-source-panel summary {
  padding: 16px clamp(22px, 2.4vw, 36px);
}

.job-list article {
  grid-template-columns: minmax(145px, 1.2fr) minmax(240px, 2fr) minmax(280px, 2.4fr);
  gap: clamp(22px, 3vw, 44px);
  padding: clamp(18px, 2.8vh, 30px) 0;
}

.job-main a,
.careers-note {
  margin-top: 10px;
}

.contact-hero {
  min-height: min(var(--fit-height), 620px);
}

.contact-section {
  padding-top: clamp(42px, 5vh, 68px);
  padding-bottom: clamp(50px, 6vh, 82px);
}

.contact-form {
  gap: clamp(16px, 2.2vh, 24px);
}

.contact-form h2 {
  font-size: clamp(30px, 3vw, 48px);
}

.contact-form textarea {
  min-height: clamp(120px, 20vh, 170px);
}

.contact-aside div {
  padding: clamp(16px, 2.4vh, 24px) 0;
}

@media (max-height: 780px) and (min-width: 900px) {
  :root {
    --fit-y: 26px;
    --dense-y: 24px;
    --body-size: 14px;
    --small-size: 12px;
    --label-size: 10px;
    --title-size: clamp(30px, 3vw, 48px);
    --section-title: clamp(28px, 2.55vw, 40px);
    --card-title-size: 18px;
  }

  .site-header {
    --header-height: 76px;
  }

  .hero h1,
  h1 {
    font-size: clamp(48px, 5vw, 82px);
  }

  .text-stack h2,
  .page-hero h1,
  .docs-hero h1,
  .about-hero h1,
  .contact-hero h1 {
    font-size: clamp(30px, 3.3vw, 54px);
  }

  .phase-visual,
  .image-card {
    min-height: clamp(230px, 36vh, 340px);
  }

  .formula-grid article,
  .metric-grid article,
  .primitive-grid article,
  .principle-grid article,
  .application-grid article,
  .doc-card-grid > div {
    min-height: auto;
    padding: 18px 20px;
  }

  .metric-grid strong {
    font-size: clamp(30px, 3vw, 48px);
  }

  th,
  td {
    padding-top: 7px;
    padding-bottom: 7px;
  }

  .quote-block,
  .quote-block.wide,
  .compact-quote,
  .section-copy,
  .metric-grid,
  .formula-grid,
  .scale-card,
  .reason-grid,
  .foundation-grid,
  .america-block {
    margin-top: 18px;
  }

  .reason-grid li {
    font-size: 13px;
  }

  .benchmark-note {
    margin-top: 18px;
    padding-top: 14px;
  }

  .final-copy {
    margin-top: 44px;
  }

  .job-list article {
    padding: 14px 0;
  }
}

@media (max-width: 1180px) {
  .section,
  .hero,
  .page-hero,
  .docs-hero,
  .about-hero,
  .split-section,
  .partner-section,
  .final-section {
    min-height: auto;
  }

  .table-wrap {
    overflow-x: auto;
  }

  table {
    min-width: 760px;
  }
}

@media (max-width: 760px) {
  :root {
    --fit-y: 44px;
    --dense-y: 38px;
  }

  .section,
  .hero,
  .page-hero,
  .docs-hero,
  .about-hero,
  .split-section,
  .partner-section,
  .long-section,
  .validation,
  .engine,
  .principles,
  .final-section,
  .docs-layout,
  .about-grid,
  .careers-section,
  .research-workspace,
  .research-reader,
  .contact-section,
  .application-grid {
    min-height: auto;
    padding-top: var(--dense-y);
    padding-bottom: var(--dense-y);
  }

  .page-hero h1,
  .docs-hero h1,
  .about-hero h1,
  .contact-hero h1,
  .text-stack h2,
  .long-section h2,
  .validation h2,
  .engine h2,
  .principles h2,
  .final-copy h2 {
    font-size: 32px;
  }

  .phase-visual,
  .image-card {
    min-height: 260px;
    max-height: none;
  }

  .bar-list div,
  .job-list article,
  .program-list li {
    grid-template-columns: 1fr;
  }

  .program-list li::before,
  .program-list strong,
  .program-list span {
    grid-column: auto;
    grid-row: auto;
  }
}

@media (max-height: 780px) and (min-width: 900px) {
  :root {
    --header-height: 76px;
  }
}

/* Secondary font pass: tracked technical labels use Open Sauce Two, matching the reference image. */
@font-face {
  font-family: "Open Sauce Two";
  src: url("fonts/open-sauce-20260706T175048Z-3-001/open-sauce/OpenSauceTwo-Light.ttf") format("truetype");
  font-style: normal;
  font-weight: 300;
  font-display: swap;
}

@font-face {
  font-family: "Open Sauce Two";
  src: url("fonts/open-sauce-20260706T175048Z-3-001/open-sauce/OpenSauceTwo-Regular.ttf") format("truetype");
  font-style: normal;
  font-weight: 400;
  font-display: swap;
}

:root {
  --font-secondary: "Open Sauce Two", "Open Sauce One", ui-sans-serif, system-ui, sans-serif;
  --secondary-size: clamp(10px, 0.72vw, 13px);
  --secondary-track: 0.42em;
}

.site-nav,
.menu-button,
.eyebrow,
.line-label,
th,
.domains span,
.formula-grid span,
.metric-grid p,
.metric-grid span,
.metric-grid small,
.primitive-grid span,
.application-grid span,
.contact-grid span,
.job-meta,
.research-reader-head > span,
.research-document-head span,
.research-doc-section > span,
.demo-button,
.site-footer,
.docs-nav a,
.tag-cloud span,
.contact-form label span,
.contact-aside span,
.research-document-list button,
.research-source-panel summary,
.code-block,
.benchmark-note {
  font-family: var(--font-secondary);
  font-size: var(--secondary-size);
  font-weight: 300;
  letter-spacing: var(--secondary-track);
  line-height: 1.35;
  text-transform: uppercase;
}

.line-label,
.eyebrow {
  color: var(--blue-light);
}

.site-nav,
.site-footer,
.demo-button,
th,
.formula-grid span,
.metric-grid p,
.metric-grid span,
.metric-grid small,
.primitive-grid span,
.application-grid span,
.contact-grid span,
.job-meta,
.research-reader-head > span,
.research-document-head span,
.research-doc-section > span,
.contact-form label span,
.contact-aside span,
.docs-nav a,
.tag-cloud span,
.code-block,
.benchmark-note {
  color: var(--dim);
}

.demo-button,
.site-nav,
.site-footer,
.docs-nav a,
.tag-cloud span,
.research-source-panel summary {
  font-weight: 400;
}

.code-block,
.benchmark-note {
  text-transform: none;
  letter-spacing: 0.16em;
}

@media (max-width: 760px) {
  :root {
    --secondary-size: 10px;
    --secondary-track: 0.28em;
  }
}

/* Rule system pass: all thin lines share one width, color, and grid alignment. */
:root {
  --rule-color: rgba(144, 162, 185, 0.16);
  --rule-color-soft: rgba(144, 162, 185, 0.1);
  --rule: 1px solid var(--rule-color);
  --hairline: var(--rule);
  --line: var(--rule-color);
  --line-strong: var(--rule-color);
}

.site-header,
.section,
.validation,
.engine,
.principles,
.final-section,
.docs-hero,
.about-hero,
.site-footer,
.job-list,
.job-list article,
.table-wrap,
thead tr,
tbody tr,
.research-reader-head,
.research-source-panel,
.research-doc-section,
.docs-nav a,
.domains,
.america-block,
.benchmark-note,
.contact-aside,
.contact-aside div,
.research-document-list button,
.demo-button,
.contact-form input,
.contact-form select,
.contact-form textarea,
.code-block,
.docs-content article,
.about-grid article,
.research-library-panel,
.research-index,
.research-reader,
.contact-form,
.formula-grid,
.metric-grid,
.primitive-grid,
.principle-grid,
.application-grid,
.contact-grid,
.doc-card-grid,
.formula-grid article,
.metric-grid article,
.primitive-grid article,
.principle-grid article,
.application-grid article,
.contact-grid article,
.doc-card-grid > div,
.image-card::before,
.image-card::after,
.phase-visual .circle {
  border-color: var(--rule-color) !important;
}

.site-header,
.section,
.validation,
.engine,
.principles,
.final-section,
.docs-hero,
.about-hero,
.site-footer,
.job-list,
.job-list article,
.table-wrap,
thead tr,
tbody tr,
.research-reader-head,
.research-source-panel,
.research-doc-section,
.docs-nav a,
.domains,
.america-block,
.benchmark-note,
.contact-aside div {
  border-width: 1px !important;
}

.quote-block,
.compact-quote,
.quote-block.wide {
  border-left: var(--rule) !important;
}

.line-label::before,
.phase-visual .axis,
.domains i {
  height: 1px;
  background: var(--rule-color);
}

.phase-visual .axis.vertical,
.domains i {
  width: 1px;
}

.image-card::before,
.image-card::after,
.phase-visual .circle {
  border-width: 1px !important;
}

.formula-grid,
.metric-grid,
.primitive-grid,
.principle-grid,
.application-grid,
.contact-grid,
.doc-card-grid {
  border-top: var(--rule);
  border-left: var(--rule);
}

.formula-grid article,
.metric-grid article,
.primitive-grid article,
.principle-grid article,
.application-grid article,
.contact-grid article,
.doc-card-grid > div {
  border-right: var(--rule);
  border-bottom: var(--rule);
}

.formula-grid .selected,
.metric-grid .selected,
.primitive-grid .selected,
.principle-grid .selected,
.application-grid .selected,
.contact-grid .selected,
.doc-card-grid .selected {
  border-color: var(--rule-color) !important;
}

.contact-form input,
.contact-form select,
.contact-form textarea,
.demo-button,
.research-document-list button,
.code-block,
.docs-content article,
.about-grid article,
.research-library-panel,
.research-index,
.research-reader,
.contact-form {
  border: var(--rule);
}

.contact-aside {
  border-top: var(--rule);
  border-right: 0;
  border-bottom: 0;
  border-left: 0;
}

.contact-aside div:first-of-type,
.application-grid article:nth-child(3n),
.contact-grid article:nth-child(2n) {
  border-top-width: 0;
}

@media (max-width: 760px) {
  .contact-aside {
    border: var(--rule);
  }
}

/* Eyebrow fit pass: keep section labels compact and single-line. */
.eyebrow,
.line-label {
  max-width: 100%;
  font-size: clamp(8px, 0.56vw, 10px);
  letter-spacing: clamp(0.22em, 0.7vw, 0.34em);
  line-height: 1.25;
  white-space: nowrap;
}

.line-label {
  gap: clamp(12px, 1.6vw, 24px);
  align-items: center;
}

.line-label::before {
  width: clamp(28px, 4vw, 58px);
  flex: 0 0 auto;
}

@media (max-width: 760px) {
  .eyebrow,
  .line-label {
    font-size: 8px;
    letter-spacing: 0.18em;
  }

  .line-label::before {
    width: 22px;
  }
}

/* Interactive phase diagram: one aligned SVG coordinate system. */
.phase-visual {
  position: relative;
  min-height: clamp(340px, 45vh, 560px);
  max-height: none;
  touch-action: none;
  user-select: none;
}

.phase-visual .phase-plot {
  position: absolute;
  inset: 50%;
  width: min(620px, 100%);
  max-width: 100%;
  transform: translate(-50%, -50%);
  overflow: visible;
  cursor: crosshair;
}

.phase-grid line,
.phase-axis,
.phase-boundary,
.phase-shadow,
.phase-poly {
  vector-effect: non-scaling-stroke;
}

.phase-grid line {
  stroke: rgba(144, 162, 185, 0.08);
  stroke-width: 1;
}

.phase-axis {
  stroke: rgba(144, 162, 185, 0.16);
  stroke-width: 1;
}

.phase-axis-label,
.phase-z-label {
  fill: var(--dim);
  font-family: var(--font-secondary);
  font-size: 13px;
  font-weight: 400;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.phase-boundary {
  fill: none !important;
  stroke: rgba(144, 162, 185, 0.18) !important;
  stroke-width: 1 !important;
  stroke-dasharray: 5 6;
}

.phase-shadow {
  fill: none;
  stroke: rgba(144, 162, 185, 0.16) !important;
  stroke-width: 1;
  stroke-dasharray: 8 8;
}

.phase-poly {
  fill: rgba(144, 162, 185, 0.025) !important;
  stroke: rgba(220, 226, 234, 0.82) !important;
  stroke-width: 2.4;
  stroke-linejoin: round;
}

.phase-node,
.phase-origin {
  fill: #9aa7b8 !important;
  stroke: rgba(244, 245, 247, 0.28) !important;
  stroke-width: 1.4 !important;
}


.phase-origin {
  fill: rgba(144, 162, 185, 0.36) !important;
  stroke: rgba(144, 162, 185, 0.18) !important;
}

.phase-handle {
  outline: none;
  cursor: grab;
  transform-box: fill-box;
  transform-origin: center;
}

.phase-handle:active {
  cursor: grabbing;
}

.phase-handle-halo {
  fill: rgba(79, 109, 138, 0.22) !important;
  stroke: rgba(144, 162, 185, 0.18) !important;
  stroke-width: 1 !important;
}

.phase-handle-dot {
  fill: #aeb8c7 !important;
  stroke: rgba(244, 245, 247, 0.38) !important;
  stroke-width: 1.6 !important;
}

.phase-handle:focus-visible .phase-handle-halo {
  stroke: var(--blue-light) !important;
  stroke-width: 1.6 !important;
}

@media (max-width: 1180px) {
  .phase-visual .phase-plot {
    width: min(560px, 100%);
  }
}

@media (max-width: 760px) {
  .phase-visual {
    min-height: 320px;
  }

  .phase-visual .phase-plot {
    width: min(340px, 100%);
  }
}

/* Original-composition restore: hero and first split section proportions. */
@media (min-width: 1000px) {
  .hero,
  .split-section {
    width: min(1888px, calc(100% - clamp(64px, 7.8vw, 160px)));
    min-height: calc(100svh - var(--header-height));
    grid-template-columns: repeat(24, minmax(0, 1fr));
    column-gap: 0;
    row-gap: 0;
  }

  .hero {
    position: relative;
    padding-top: 0;
    padding-bottom: 0;
    align-items: center;
  }

  .hero-copy {
    grid-column: 1 / span 11;
    align-self: start;
    max-width: 860px;
    padding-top: clamp(132px, 16.2vh, 178px);
    transform: none;
  }

  .hero .line-label {
    margin-bottom: clamp(42px, 5.2vh, 58px);
    font-size: clamp(8px, 0.56vw, 10px);
    letter-spacing: clamp(0.32em, 0.68vw, 0.48em);
  }

  .hero .line-label::before {
    width: clamp(54px, 3.6vw, 66px);
  }

  .hero h1 {
    max-width: 860px;
    margin-bottom: clamp(58px, 7.2vh, 84px);
    font-size: clamp(90px, 7.42vw, 152px);
    line-height: 0.86;
    letter-spacing: -0.074em;
  }

  .hero .quote-block {
    max-width: 880px;
    padding-left: 28px;
  }

  .hero .quote-block p {
    max-width: 850px;
    margin-bottom: 22px;
    font-size: clamp(18px, 1.38vw, 28px);
    line-height: 1.32;
  }

  .hero .quote-block small {
    max-width: 820px;
    font-size: clamp(13px, 0.94vw, 17px);
    line-height: 1.52;
  }

  .hero .phase-visual {
    grid-column: 15 / -1;
    align-self: center;
    width: 100%;
    min-height: clamp(560px, 70vh, 760px);
    max-height: none;
    transform: translate(2vw, -3.6vh);
  }

  .hero .phase-visual .phase-plot {
    width: min(720px, 100%);
  }

  .split-section {
    padding-top: clamp(94px, 12vh, 132px);
    padding-bottom: clamp(94px, 12vh, 132px);
    align-items: center;
  }

  .split-section .image-card {
    grid-column: 1 / span 12;
    align-self: center;
    width: 100%;
    min-height: clamp(470px, 61vh, 640px);
    max-height: none;
    padding: clamp(44px, 4vw, 66px);
    align-content: end;
  }

  .split-section .image-card > div {
    max-width: 840px;
    align-self: end;
  }

  .split-section .image-card .eyebrow {
    margin-bottom: 18px;
  }

  .split-section .image-card h2 {
    max-width: 820px;
    margin-bottom: 0;
    font-size: clamp(23px, 1.52vw, 31px);
    line-height: 1.18;
    letter-spacing: -0.038em;
  }

  .split-section .text-stack {
    grid-column: 14 / -1;
    align-self: center;
    max-width: 820px;
  }

  .split-section .text-stack > .eyebrow {
    margin-bottom: clamp(28px, 3.4vh, 42px);
  }

  .split-section .text-stack h2 {
    max-width: 790px;
    margin-bottom: clamp(30px, 3.8vh, 46px);
    font-size: clamp(39px, 3.05vw, 60px);
    line-height: 1.08;
    letter-spacing: -0.052em;
  }

  .split-section .text-stack > p {
    max-width: 790px;
    font-size: clamp(14px, 1.02vw, 18px);
    line-height: 1.6;
  }

  .split-section .compact-quote {
    margin: clamp(28px, 3.8vh, 46px) 0 clamp(30px, 4vh, 48px);
    padding-left: 24px;
  }

  .split-section .compact-quote p {
    margin-bottom: 10px;
    font-size: clamp(16px, 1.12vw, 21px);
    line-height: 1.36;
  }

  .split-section .compact-quote small {
    font-size: clamp(13px, 0.92vw, 16px);
    line-height: 1.45;
  }

  .split-section .plain-group .eyebrow {
    margin-bottom: clamp(16px, 2.1vh, 26px);
  }

  .split-section .plain-group ul {
    gap: clamp(10px, 1.55vh, 16px);
  }

  .split-section .plain-group li {
    font-size: clamp(13px, 0.95vw, 16px);
    line-height: 1.45;
  }
}

@media (min-width: 1000px) and (max-height: 820px) {
  .hero-copy {
    padding-top: clamp(96px, 13vh, 118px);
  }

  .hero .line-label {
    margin-bottom: 32px;
  }

  .hero h1 {
    margin-bottom: 38px;
    font-size: clamp(76px, 6.1vw, 108px);
  }

  .hero .quote-block p {
    font-size: clamp(17px, 1.2vw, 22px);
  }

  .hero .phase-visual {
    min-height: clamp(440px, 58vh, 560px);
    transform: translate(1.2vw, -2.4vh);
  }

  .hero .phase-visual .phase-plot {
    width: min(600px, 100%);
  }

  .split-section {
    padding-top: 54px;
    padding-bottom: 54px;
  }

  .split-section .image-card {
    min-height: clamp(380px, 54vh, 500px);
  }

  .split-section .text-stack h2 {
    font-size: clamp(34px, 2.7vw, 52px);
  }

  .split-section .text-stack > p,
  .split-section .plain-group li {
    font-size: 13px;
  }
}

@media (min-width: 1000px) and (max-width: 1280px) {
  .hero-copy {
    grid-column: 1 / span 12;
  }

  .hero .phase-visual {
    grid-column: 14 / -1;
    transform: translate(0, -2vh);
  }

  .split-section .image-card {
    grid-column: 1 / span 11;
  }

  .split-section .text-stack {
    grid-column: 13 / -1;
  }
}

/* Brand rule system: stronger BlueChips line language across the site. */
:root {
  --rule-color: rgba(144, 162, 185, 0.3);
  --rule-color-soft: rgba(144, 162, 185, 0.18);
  --rule: 1.5px solid var(--rule-color);
  --hairline: var(--rule);
  --line: var(--rule-color);
  --line-strong: rgba(144, 162, 185, 0.5);
  --accent-rule-color: rgba(144, 162, 185, 0.82);
  --accent-rule: 2px solid var(--accent-rule-color);
}

.site-header,
.section,
.validation,
.engine,
.principles,
.final-section,
.docs-hero,
.about-hero,
.site-footer,
.job-list,
.job-list article,
.table-wrap,
thead tr,
tbody tr,
.research-reader-head,
.research-source-panel,
.research-doc-section,
.docs-nav a,
.domains,
.america-block,
.benchmark-note,
.contact-aside div {
  border-color: var(--rule-color) !important;
  border-width: 1.5px !important;
}

.formula-grid,
.metric-grid,
.primitive-grid,
.principle-grid,
.application-grid,
.contact-grid,
.doc-card-grid {
  border-top: var(--rule) !important;
  border-left: var(--rule) !important;
}

.formula-grid article,
.metric-grid article,
.primitive-grid article,
.principle-grid article,
.application-grid article,
.contact-grid article,
.doc-card-grid > div {
  border-right: var(--rule) !important;
  border-bottom: var(--rule) !important;
}

.contact-form input,
.contact-form select,
.contact-form textarea,
.demo-button,
.research-document-list button,
.code-block,
.docs-content article,
.about-grid article,
.research-library-panel,
.research-index,
.research-reader,
.contact-form,
.contact-grid article,
.doc-card-grid > div,
.image-card::before,
.image-card::after {
  border-color: var(--rule-color) !important;
  border-width: 1.5px !important;
}

.quote-block,
.compact-quote,
.quote-block.wide {
  border-left: var(--accent-rule) !important;
}

.line-label::before {
  height: 2px !important;
  background: var(--accent-rule-color) !important;
}

.phase-axis,
.phase-visual .axis {
  stroke: rgba(144, 162, 185, 0.28) !important;
  stroke-width: 1.5 !important;
}

.phase-grid line {
  stroke: rgba(144, 162, 185, 0.14) !important;
  stroke-width: 1.2 !important;
}

.phase-boundary {
  stroke: rgba(144, 162, 185, 0.34) !important;
  stroke-width: 1.5 !important;
}

.phase-shadow {
  stroke: rgba(144, 162, 185, 0.22) !important;
  stroke-width: 1.5 !important;
}

.phase-poly {
  stroke: rgba(220, 226, 234, 0.9) !important;
  stroke-width: 2.6 !important;
}

.phase-node,
.phase-origin,
.phase-handle-dot {
  stroke: rgba(144, 162, 185, 0.62) !important;
}

main > section > .eyebrow:not(.line-label),
.page-hero > .eyebrow,
.docs-hero > .eyebrow,
.about-hero > .eyebrow,
.contact-hero > .eyebrow,
.partner-section > .eyebrow,
.text-stack > .eyebrow,
.plain-group > .eyebrow,
.research-library-panel > .eyebrow,
.research-index > .eyebrow,
.contact-form > .eyebrow,
.contact-aside > .eyebrow {
  display: flex;
  align-items: center;
  gap: clamp(14px, 1.55vw, 24px);
  color: var(--blue-light);
}

main > section > .eyebrow:not(.line-label)::before,
.page-hero > .eyebrow::before,
.docs-hero > .eyebrow::before,
.about-hero > .eyebrow::before,
.contact-hero > .eyebrow::before,
.partner-section > .eyebrow::before,
.text-stack > .eyebrow::before,
.plain-group > .eyebrow::before,
.research-library-panel > .eyebrow::before,
.research-index > .eyebrow::before,
.contact-form > .eyebrow::before,
.contact-aside > .eyebrow::before {
  flex: 0 0 clamp(32px, 3.4vw, 58px);
  width: clamp(32px, 3.4vw, 58px);
  height: 2px;
  background: var(--accent-rule-color);
  content: "";
}

.metric-grid .selected,
.formula-grid .selected,
.primitive-grid .selected,
.principle-grid .selected,
.application-grid .selected,
.contact-grid .selected,
.doc-card-grid .selected {
  border-color: rgba(144, 162, 185, 0.52) !important;
}

.image-card {
  border-top: var(--accent-rule);
}

@media (max-width: 760px) {
  main > section > .eyebrow:not(.line-label)::before,
  .page-hero > .eyebrow::before,
  .docs-hero > .eyebrow::before,
  .about-hero > .eyebrow::before,
  .contact-hero > .eyebrow::before,
  .partner-section > .eyebrow::before,
  .text-stack > .eyebrow::before,
  .plain-group > .eyebrow::before,
  .research-library-panel > .eyebrow::before,
  .research-index > .eyebrow::before,
  .contact-form > .eyebrow::before,
  .contact-aside > .eyebrow::before {
    flex-basis: 24px;
    width: 24px;
  }
}

.domains i {
  width: 2px !important;
  height: 24px !important;
  background: var(--accent-rule-color) !important;
  opacity: 0.82;
}

/* Proper footer: austere site map, contact routing, and brand close. */
.site-footer {
  width: min(var(--max), calc(100% - (var(--outer) * 2))) !important;
  display: block !important;
  padding: clamp(58px, 7vh, 86px) 0 clamp(30px, 4vh, 48px) !important;
  margin-inline: auto !important;
  color: var(--muted) !important;
  font-family: var(--font-sans) !important;
  font-size: var(--body-size) !important;
  letter-spacing: 0 !important;
  line-height: var(--body-line) !important;
  text-transform: none !important;
  border-top: var(--accent-rule) !important;
  border-bottom: 0 !important;
}

.footer-grid {
  display: grid;
  grid-template-columns: minmax(320px, 1.42fr) repeat(3, minmax(170px, 0.58fr));
  gap: clamp(36px, 5vw, 86px);
  align-items: start;
}

.footer-brand {
  max-width: 480px;
}

.footer-logo {
  display: inline-flex;
  width: clamp(150px, 10vw, 190px);
  height: 48px;
  align-items: center;
  margin-bottom: clamp(24px, 3vh, 36px);
  overflow: hidden;
}

.footer-logo img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  object-position: left center;
}

.footer-brand p {
  max-width: 460px;
  margin: 0;
  color: var(--muted);
  font-size: clamp(13px, 0.95vw, 15px);
  line-height: 1.62;
}

.footer-column {
  display: grid;
  gap: 12px;
  min-width: 0;
  padding-top: 4px;
}

.footer-heading {
  display: flex;
  align-items: center;
  gap: 14px;
  margin: 0 0 16px;
  color: var(--blue-light);
  font-family: var(--font-secondary);
  font-size: clamp(8px, 0.56vw, 10px);
  font-weight: 300;
  letter-spacing: 0.34em;
  line-height: 1.25;
  text-transform: uppercase;
  white-space: nowrap;
}

.footer-heading::before {
  flex: 0 0 34px;
  width: 34px;
  height: 2px;
  background: var(--accent-rule-color);
  content: "";
}

.footer-column a {
  width: fit-content;
  color: var(--muted);
  font-size: clamp(13px, 0.92vw, 15px);
  line-height: 1.45;
  transition: color 160ms ease;
}

.footer-column a:hover,
.footer-column a:focus-visible {
  color: var(--white);
}

.footer-cta {
  margin-top: 12px;
  padding: 12px 15px;
  color: var(--white) !important;
  font-family: var(--font-secondary);
  font-size: clamp(9px, 0.62vw, 11px) !important;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  border: var(--rule);
}

.footer-cta:hover,
.footer-cta:focus-visible {
  border-color: var(--accent-rule-color);
}

.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 14px 28px;
  padding-top: clamp(28px, 4vh, 46px);
  margin-top: clamp(46px, 6vh, 74px);
  color: var(--dim);
  font-family: var(--font-secondary);
  font-size: clamp(9px, 0.62vw, 11px);
  font-weight: 300;
  letter-spacing: 0.26em;
  line-height: 1.4;
  text-transform: uppercase;
  border-top: var(--rule);
}

@media (max-width: 1180px) {
  .footer-grid {
    grid-template-columns: minmax(280px, 1.2fr) repeat(2, minmax(180px, 0.8fr));
  }

  .footer-contact {
    grid-column: 2 / -1;
  }
}

@media (max-width: 760px) {
  .site-footer {
    width: min(100% - 40px, var(--max)) !important;
    padding-top: 46px !important;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 34px;
  }

  .footer-contact {
    grid-column: auto;
  }

  .footer-bottom {
    display: grid;
    justify-content: start;
  }
}

/* SkyVeil domain section: defense EM capability routed through the BlueChips proof engine. */
.skyveil-section {
  width: min(1888px, calc(100% - clamp(64px, 7.8vw, 160px))) !important;
  display: grid;
  grid-template-columns: repeat(24, minmax(0, 1fr));
  column-gap: 0;
  row-gap: clamp(34px, 5vh, 68px);
  align-items: center;
  min-height: calc(100svh - var(--header-height));
  padding-top: clamp(72px, 9vh, 104px) !important;
  padding-bottom: clamp(72px, 9vh, 104px) !important;
}

.skyveil-copy {
  grid-column: 1 / span 10;
  max-width: 820px;
}

.skyveil-copy h2 {
  max-width: 780px;
  margin-bottom: clamp(24px, 3vh, 38px);
  font-size: clamp(38px, 3.2vw, 64px);
  line-height: 1.04;
}

.skyveil-copy > p {
  max-width: 760px;
  margin-bottom: 0;
  color: var(--muted);
  font-size: clamp(14px, 1.02vw, 18px);
  line-height: 1.62;
}

.skyveil-copy .compact-quote {
  max-width: 800px;
  margin: clamp(30px, 4vh, 46px) 0;
}

.skyveil-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 16px 24px;
  align-items: center;
}

.skyveil-actions .demo-button {
  margin: 0;
}

.skyveil-actions a:not(.demo-button) {
  color: var(--blue-light);
  font-family: var(--font-secondary);
  font-size: clamp(9px, 0.62vw, 11px);
  letter-spacing: 0.24em;
  text-transform: uppercase;
}

.skyveil-panel {
  grid-column: 13 / -1;
  min-width: 0;
  padding: clamp(28px, 3vw, 46px);
  background:
    linear-gradient(180deg, rgba(144, 162, 185, 0.055), rgba(3, 3, 3, 0.48)),
    #050607;
  border: var(--rule);
  border-top: var(--accent-rule);
}

.skyveil-panel-head {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  align-items: flex-start;
  padding-bottom: clamp(18px, 2.4vh, 28px);
  border-bottom: var(--rule);
}

.skyveil-panel-head .eyebrow {
  margin: 0;
}

.skyveil-panel-head span {
  color: var(--dim);
  font-family: var(--font-secondary);
  font-size: clamp(9px, 0.62vw, 11px);
  letter-spacing: 0.24em;
  line-height: 1.4;
  text-align: right;
  text-transform: uppercase;
}

.skyveil-diagram {
  min-height: clamp(230px, 31vh, 320px);
  display: grid;
  place-items: center;
  border-bottom: var(--rule);
}

.skyveil-diagram svg {
  width: min(660px, 100%);
  overflow: visible;
}

.skyveil-diagram text {
  fill: var(--dim);
  font-family: var(--font-secondary);
  font-size: 11px;
  letter-spacing: 0.22em;
}

.sv-axis {
  stroke: rgba(144, 162, 185, 0.28);
  stroke-width: 1.5;
  vector-effect: non-scaling-stroke;
}

.sv-orbit {
  fill: none;
  stroke: rgba(144, 162, 185, 0.22);
  stroke-width: 1.5;
  stroke-dasharray: 6 7;
  vector-effect: non-scaling-stroke;
}

.sv-orbit-wide {
  stroke: rgba(144, 162, 185, 0.13);
}

.sv-field,
.sv-return {
  fill: none;
  stroke: rgba(144, 162, 185, 0.86);
  stroke-width: 2.4;
  vector-effect: non-scaling-stroke;
}

.sv-return {
  stroke: rgba(79, 109, 138, 0.78);
  stroke-dasharray: 8 7;
}

.sv-body {
  fill: rgba(144, 162, 185, 0.04);
  stroke: rgba(220, 226, 234, 0.9);
  stroke-width: 2.4;
  vector-effect: non-scaling-stroke;
}

.sv-node {
  fill: var(--blue-light);
  stroke: rgba(244, 245, 247, 0.34);
  stroke-width: 1.5;
}

.skyveil-capabilities {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  border-left: var(--rule);
}

.skyveil-capabilities article {
  min-width: 0;
  padding: clamp(22px, 2.4vw, 34px);
  border-right: var(--rule);
}

.skyveil-capabilities span {
  display: block;
  margin-bottom: 18px;
  color: var(--dim);
  font-family: var(--font-secondary);
  font-size: clamp(9px, 0.62vw, 11px);
  letter-spacing: 0.24em;
}

.skyveil-capabilities h3 {
  max-width: 220px;
  margin-bottom: 14px;
  font-size: clamp(17px, 1.15vw, 22px);
}

.skyveil-capabilities p {
  margin: 0;
  color: var(--muted);
  font-size: clamp(12px, 0.86vw, 14px);
  line-height: 1.5;
}

@media (max-width: 1180px) {
  .skyveil-section {
    grid-template-columns: repeat(12, minmax(0, 1fr));
  }

  .skyveil-copy {
    grid-column: 1 / span 6;
  }

  .skyveil-panel {
    grid-column: 8 / -1;
  }

  .skyveil-capabilities {
    grid-template-columns: 1fr;
    border-left: 0;
  }

  .skyveil-capabilities article {
    border-right: 0;
    border-bottom: var(--rule);
  }
}

@media (max-width: 900px) {
  .skyveil-section {
    width: min(100% - 40px, var(--max)) !important;
    grid-template-columns: 1fr;
    min-height: auto;
  }

  .skyveil-copy,
  .skyveil-panel {
    grid-column: auto;
  }

  .skyveil-panel-head {
    display: grid;
  }

  .skyveil-panel-head span {
    text-align: left;
  }
}

.skyveil-copy > .eyebrow,
.skyveil-panel-head .eyebrow {
  display: flex;
  align-items: center;
  gap: clamp(14px, 1.55vw, 24px);
  color: var(--blue-light);
}

.skyveil-copy > .eyebrow::before,
.skyveil-panel-head .eyebrow::before {
  flex: 0 0 clamp(32px, 3.4vw, 58px);
  width: clamp(32px, 3.4vw, 58px);
  height: 2px;
  background: var(--accent-rule-color);
  content: "";
}