@font-face {
  font-family: "Titillium Web";
  src: url("/assets/fonts/titilliumweb-400-v1.woff2") format("woff2");
  font-style: normal;
  font-weight: 400;
  font-display: swap;
}

@font-face {
  font-family: "Titillium Web";
  src: url("/assets/fonts/titilliumweb-600-v1.woff2") format("woff2");
  font-style: normal;
  font-weight: 600;
  font-display: swap;
}

@font-face {
  font-family: "Titillium Web";
  src: url("/assets/fonts/titilliumweb-700-v1.woff2") format("woff2");
  font-style: normal;
  font-weight: 700;
  font-display: swap;
}

@font-face {
  font-family: "JetBrains Mono";
  src: url("/assets/fonts/jetbrainsmono-variable-v1.woff2") format("woff2");
  font-style: normal;
  font-weight: 400 800;
  font-display: swap;
}

:root {
  --page: #071018;
  --page-deep: #040b11;
  --surface: #0b1721;
  --surface-raised: #101f2b;
  --surface-soft: #0d1b26;
  --rule: #213746;
  --rule-bright: #315166;
  --text: #f0f6f8;
  --muted: #a2b4be;
  --muted-strong: #bfd0d7;
  --signal: #4ab7e8;
  --signal-bright: #72cdf4;
  --nominal: #56cc8b;
  --caution: #e6af43;
  --fault: #ed6473;
  --model: #9b8ae7;
  --font-sans: "Titillium Web", "Segoe UI", sans-serif;
  --font-mono: "JetBrains Mono", Consolas, monospace;
  --shell: 90rem;
  --narrative: 73.75rem;
  --prose: 47.5rem;
  --gutter: clamp(1.125rem, 3vw, 2rem);
  --section-space: clamp(4rem, 7vw, 5.75rem);
  --radius-sm: 0.375rem;
  --radius-md: 0.625rem;
  --radius-lg: 0.875rem;
  --shadow: 0 1.75rem 5rem rgb(0 0 0 / 0.28);
  --ease: cubic-bezier(0.2, 0.8, 0.2, 1);
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 6rem;
}

body {
  margin: 0;
  min-width: 0;
  overflow-x: clip;
  background: var(--page);
  color: var(--text);
  font-family: var(--font-sans);
  font-size: 1.0625rem;
  line-height: 1.6;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

body::before {
  position: fixed;
  z-index: -2;
  inset: 0;
  background:
    radial-gradient(circle at 82% 8%, rgb(74 183 232 / 0.09), transparent 32rem),
    linear-gradient(90deg, rgb(74 183 232 / 0.025) 1px, transparent 1px),
    linear-gradient(rgb(74 183 232 / 0.02) 1px, transparent 1px),
    var(--page);
  background-size: auto, 5rem 5rem, 5rem 5rem, auto;
  content: "";
  pointer-events: none;
}

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

button,
a {
  font: inherit;
}

a {
  color: inherit;
}

p,
h1,
h2,
h3,
blockquote,
figure,
ol {
  margin: 0;
}

button {
  color: inherit;
}

[hidden] {
  display: none !important;
}

::selection {
  background: var(--signal);
  color: var(--page-deep);
}

:focus-visible {
  outline: 0.1875rem solid var(--signal-bright);
  outline-offset: 0.25rem;
}

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

.skip-link {
  position: fixed;
  z-index: 1000;
  top: 0.75rem;
  left: 0.75rem;
  padding: 0.75rem 1rem;
  transform: translateY(-180%);
  border-radius: var(--radius-sm);
  background: var(--signal);
  color: var(--page-deep);
  font-weight: 700;
  transition: transform 140ms var(--ease);
}

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

.eyebrow,
.status,
.stage-index,
.principle-number,
.proof-strip,
.media-caption,
.status-key,
.config-note {
  font-family: var(--font-mono);
}

.eyebrow {
  display: flex;
  align-items: center;
  gap: 0.625rem;
  color: var(--signal-bright);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  line-height: 1.4;
  text-transform: uppercase;
}

.status-dot {
  display: inline-block;
  flex: 0 0 auto;
  width: 0.5rem;
  height: 0.5rem;
  border: 0.0625rem solid currentColor;
  border-radius: 50%;
  background: currentColor;
  box-shadow: 0 0 0 0.25rem color-mix(in srgb, currentColor 12%, transparent);
}

.status-dot--nominal { color: var(--nominal); }
.status-dot--signal { color: var(--signal); }
.status-dot--model { color: var(--model); }
.status-dot--caution { color: var(--caution); }

.site-header {
  position: sticky;
  z-index: 100;
  top: 0;
  border-bottom: 0.0625rem solid rgb(49 81 102 / 0.6);
  background: rgb(7 16 24 / 0.92);
  backdrop-filter: blur(1rem);
}

.header-inner {
  display: flex;
  min-height: 4.75rem;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
}

.brand {
  display: inline-flex;
  min-height: 2.75rem;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
}

.brand-mark {
  width: 2.5rem;
  color: var(--signal);
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: round;
}

.brand-mark circle {
  fill: currentColor;
  stroke: none;
}

.brand-type {
  display: grid;
  line-height: 1;
}

.brand-type strong {
  font-size: 1.25rem;
  letter-spacing: 0.08em;
}

.brand-type small {
  margin-top: 0.35rem;
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 0.625rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: clamp(0.75rem, 2vw, 1.75rem);
}

.site-nav a {
  display: inline-flex;
  min-width: 2.75rem;
  min-height: 2.75rem;
  align-items: center;
  justify-content: center;
  border-bottom: 0.125rem solid transparent;
  color: var(--muted-strong);
  font-family: var(--font-mono);
  font-size: 0.71875rem;
  font-weight: 650;
  letter-spacing: 0.06em;
  text-decoration: none;
  text-transform: uppercase;
  transition: border-color 140ms ease, color 140ms ease;
}

.site-nav a:is(:hover, :focus-visible),
.site-nav a[aria-current="location"] {
  border-bottom-color: var(--signal);
  color: var(--text);
}

.nav-toggle {
  display: none;
  min-width: 5.5rem;
  min-height: 2.75rem;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  border: 0.0625rem solid var(--rule-bright);
  border-radius: var(--radius-sm);
  background: var(--surface);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.nav-toggle-lines,
.nav-toggle-lines::before,
.nav-toggle-lines::after {
  display: block;
  width: 1.125rem;
  height: 0.125rem;
  background: var(--signal);
  content: "";
  transition: transform 140ms ease, opacity 140ms ease;
}

.nav-toggle-lines {
  position: relative;
}

.nav-toggle-lines::before { position: absolute; transform: translateY(-0.35rem); }
.nav-toggle-lines::after { position: absolute; transform: translateY(0.35rem); }

.nav-toggle[aria-expanded="true"] .nav-toggle-lines { background: transparent; }
.nav-toggle[aria-expanded="true"] .nav-toggle-lines::before { transform: rotate(45deg); }
.nav-toggle[aria-expanded="true"] .nav-toggle-lines::after { transform: rotate(-45deg); }

.hero {
  position: relative;
  overflow: clip;
  padding-block: clamp(3rem, 6vw, 5.75rem) 0;
}

.hero::before {
  position: absolute;
  z-index: -1;
  top: 0;
  right: -15%;
  width: 65%;
  height: 100%;
  background: linear-gradient(135deg, transparent, rgb(74 183 232 / 0.035));
  clip-path: polygon(28% 0, 100% 0, 100% 100%, 0 100%);
  content: "";
}

.hero-grid {
  display: grid;
  min-height: min(42rem, calc(100svh - 13rem));
  align-items: center;
  gap: clamp(2rem, 5vw, 5.5rem);
  grid-template-columns: minmax(0, 1.03fr) minmax(25rem, 0.97fr);
}

.hero-copy {
  min-width: 0;
  padding-block: 2rem 3rem;
}

.hero-copy h1 {
  max-width: 13ch;
  margin-top: 1.35rem;
  font-size: clamp(3.5rem, 6.25vw, 6.8rem);
  font-weight: 700;
  letter-spacing: -0.035em;
  line-height: 0.9;
}

.hero-copy h1 em {
  color: var(--signal-bright);
  font-style: normal;
}

.hero-lede {
  max-width: 40rem;
  margin-top: 2rem;
  color: var(--muted-strong);
  font-size: clamp(1.125rem, 1.8vw, 1.4rem);
  line-height: 1.5;
}

.hero-actions,
.closing-actions,
.section-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.75rem;
}

.hero-actions {
  margin-top: 2rem;
}

.button {
  display: inline-flex;
  min-height: 2.875rem;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  padding: 0.7rem 1.1rem;
  border: 0.0625rem solid transparent;
  border-radius: var(--radius-sm);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 750;
  letter-spacing: 0.02em;
  line-height: 1.2;
  text-decoration: none;
  text-transform: uppercase;
  transition: background 140ms ease, border-color 140ms ease, color 140ms ease, transform 140ms var(--ease);
}

.button:is(:hover, :focus-visible) {
  transform: translateY(-0.125rem);
}

.button--primary {
  background: var(--signal);
  color: #041018;
}

.button--primary:hover {
  background: var(--signal-bright);
}

.button--secondary {
  border-color: var(--rule-bright);
  background: var(--surface);
  color: var(--text);
}

.button--secondary:hover {
  border-color: var(--signal);
  color: var(--signal-bright);
}

.utility-link,
.text-link {
  display: inline-flex;
  min-height: 2.75rem;
  align-items: center;
  gap: 0.6rem;
  color: var(--signal-bright);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 700;
  line-height: 1.4;
  text-underline-offset: 0.28rem;
}

.utility-link {
  margin-top: 1.25rem;
}

.config-note {
  max-width: 36rem;
  margin-top: 0.35rem;
  color: var(--muted);
  font-size: 0.625rem;
  line-height: 1.5;
}

.hero-system-portrait {
  position: relative;
  display: grid;
  min-width: 0;
  overflow: hidden;
  aspect-ratio: 16 / 10;
  border: 0.0625rem solid var(--rule-bright);
  border-radius: var(--radius-lg);
  background:
    linear-gradient(90deg, rgb(74 183 232 / 0.035) 0.0625rem, transparent 0.0625rem),
    linear-gradient(rgb(74 183 232 / 0.025) 0.0625rem, transparent 0.0625rem),
    linear-gradient(145deg, #0d1b26, #07131d 62%, #081018);
  background-size: 2.5rem 2.5rem, 2.5rem 2.5rem, auto;
  box-shadow: var(--shadow);
  grid-template-rows: auto 1fr auto;
  isolation: isolate;
}

.hero-system-portrait::before {
  position: absolute;
  z-index: -1;
  top: -28%;
  left: -8%;
  width: 52%;
  aspect-ratio: 1;
  border-radius: 50%;
  background: radial-gradient(circle, rgb(74 183 232 / 0.12), transparent 68%);
  content: "";
  pointer-events: none;
}

.portrait-header,
.hero-system-portrait figcaption {
  padding: 1rem 1.15rem;
}

.portrait-header {
  display: grid;
  border-bottom: 0.0625rem solid var(--rule);
  background: rgb(4 11 17 / 0.48);
}

.portrait-header > div {
  display: grid;
  gap: 0.18rem;
}

.portrait-kicker,
.portrait-stage-index {
  font-family: var(--font-mono);
  font-size: clamp(0.6875rem, 0.68vw, 0.73rem);
}

.portrait-kicker,
.portrait-stage-index {
  color: var(--signal-bright);
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.portrait-header strong {
  font-size: clamp(1.12rem, 1.4vw, 1.35rem);
  line-height: 1.15;
}

.portrait-header p {
  color: var(--muted);
  font-size: clamp(0.78rem, 0.85vw, 0.88rem);
  line-height: 1.4;
}

.portrait-flow-shell {
  position: relative;
  min-height: 0;
}

.portrait-path {
  position: absolute;
  z-index: 0;
  inset: 0;
  width: 100%;
  height: 100%;
  overflow: visible;
  opacity: 0.52;
  pointer-events: none;
}

.portrait-path path {
  fill: none;
  stroke-width: 1.25;
  vector-effect: non-scaling-stroke;
}

.portrait-path .portrait-path-signal { stroke: var(--signal); }
.portrait-path .portrait-path-terminal {
  stroke: var(--caution);
  opacity: 0.9;
}

.portrait-path circle {
  fill: var(--page-deep);
  stroke: var(--signal);
  stroke-width: 1.2;
  vector-effect: non-scaling-stroke;
}

.portrait-path .portrait-path-end {
  stroke: var(--caution);
}

.portrait-path--compact,
.portrait-path--mobile {
  display: none;
}

.portrait-path--wide,
.portrait-path--mobile {
  opacity: 0.72;
}

.portrait-flow {
  position: relative;
  z-index: 1;
  display: grid;
  height: 100%;
  min-height: 0;
  padding: 0;
  list-style: none;
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.portrait-stage {
  position: relative;
  display: grid;
  min-width: 0;
  align-content: space-between;
  gap: 0.65rem;
  padding: clamp(0.95rem, 1.35vw, 1.2rem);
  grid-template-rows: auto minmax(4.6rem, 1fr) auto;
}

.portrait-stage-index {
  display: block;
}

.portrait-stage-visual {
  z-index: 1;
  width: clamp(4.25rem, 6vw, 5.25rem);
  height: clamp(4.25rem, 6vw, 5.25rem);
  align-self: center;
  justify-self: center;
  border-radius: 50%;
  background: radial-gradient(circle, rgb(13 27 38 / 0.96) 50%, rgb(13 27 38 / 0.74) 70%, transparent 72%);
}

.portrait-station {
  display: grid;
  place-items: center;
}

.portrait-station svg {
  width: min(100%, 5.15rem);
  height: auto;
  overflow: visible;
}

.station-bracket,
.station-housing,
.station-lid,
.station-seam,
.station-signal {
  fill: none;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.station-bracket {
  stroke: var(--muted);
  stroke-width: 2.25;
}

.station-housing {
  fill: rgb(191 208 215 / 0.08);
  stroke: var(--signal);
  stroke-width: 2.25;
}

.station-lid {
  fill: rgb(191 208 215 / 0.05);
  stroke: var(--muted-strong);
  stroke-width: 1.25;
}

.station-seam {
  stroke: var(--muted-strong);
  stroke-width: 1.75;
}

.station-signal {
  stroke: var(--signal-bright);
  stroke-width: 1.75;
}

.portrait-history {
  display: grid;
  align-content: center;
  gap: 0.55rem;
  padding: 1rem 0.7rem;
}

.portrait-history span {
  display: grid;
  align-items: center;
  gap: 0.45rem;
  grid-template-columns: auto 1fr;
}

.portrait-history i {
  width: 0.34rem;
  height: 0.34rem;
  border: 0.0625rem solid var(--signal-bright);
  border-radius: 50%;
  background: var(--page-deep);
}

.portrait-history b {
  height: 0.125rem;
  background: linear-gradient(90deg, var(--signal), rgb(74 183 232 / 0.1));
}

.portrait-history span:nth-child(2) b { width: 76%; }
.portrait-history span:nth-child(3) b { width: 54%; }

.portrait-assessment {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.55rem;
}

.portrait-assessment i {
  width: 0.18rem;
  height: 2.35rem;
  border-radius: 1rem;
  background: var(--signal);
  box-shadow: 0 0 0.8rem rgb(74 183 232 / 0.2);
  transform: skewX(-28deg);
}

.portrait-assessment i:nth-child(2) {
  height: 3rem;
}

.portrait-assessment i:nth-child(3) {
  height: 1.75rem;
}

.portrait-decision {
  display: grid;
  align-content: center;
  place-items: center;
  border: 0.125rem solid var(--caution);
  background: radial-gradient(circle, rgb(230 175 67 / 0.11), rgb(13 27 38 / 0.96) 68%);
  box-shadow: 0 0 1.2rem rgb(230 175 67 / 0.1);
}

.portrait-decision span {
  max-width: 6ch;
  color: var(--caution);
  font-family: var(--font-mono);
  font-size: clamp(0.7rem, 0.7vw, 0.73rem);
  font-weight: 700;
  line-height: 1.25;
  text-align: center;
  text-transform: uppercase;
}

.portrait-stage-copy {
  display: grid;
  gap: 0.32rem;
  height: 5.1rem;
  min-height: 3.55rem;
  align-content: start;
  grid-template-rows: 2.28em minmax(0, 1fr);
}

.portrait-stage-copy > strong {
  display: block;
  min-height: 2.28em;
  font-size: clamp(0.94rem, 1.15vw, 1.06rem);
  line-height: 1.14;
}

.portrait-stage-copy p {
  color: var(--muted);
  font-size: clamp(0.72rem, 0.78vw, 0.8rem);
  line-height: 1.4;
}

.portrait-stage--decide .portrait-stage-copy > strong {
  color: var(--caution);
  font-size: clamp(1.05rem, 1.35vw, 1.28rem);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.hero-system-portrait figcaption {
  display: flex;
  min-height: 3rem;
  align-items: center;
  border-top: 0.0625rem solid var(--rule);
  background: rgb(4 11 17 / 0.62);
  color: var(--muted);
  font-size: clamp(0.72rem, 0.75vw, 0.8rem);
  line-height: 1.35;
}

.evidence-figure figcaption {
  display: flex;
  min-height: 3.5rem;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.85rem 1rem;
  border-top: 0.0625rem solid var(--rule);
  color: var(--muted);
  font-size: 0.6875rem;
  line-height: 1.4;
  text-transform: uppercase;
}

.evidence-figure figcaption strong {
  color: var(--signal-bright);
}


.proof-strip {
  display: grid;
  margin-top: clamp(2rem, 4vw, 3.75rem);
  border-block: 0.0625rem solid var(--rule);
  color: var(--muted-strong);
  font-size: 0.6875rem;
  letter-spacing: 0.04em;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  text-transform: uppercase;
}

.proof-strip span {
  display: flex;
  min-height: 4rem;
  align-items: center;
  padding: 0.75rem 1rem;
}

.proof-strip span + span {
  border-left: 0.0625rem solid var(--rule);
}

.section {
  padding-block: var(--section-space);
}

.section--rule {
  border-bottom: 0.0625rem solid var(--rule);
}

.section--surface {
  border-block: 0.0625rem solid var(--rule);
  background: linear-gradient(180deg, rgb(16 31 43 / 0.52), rgb(11 23 33 / 0.34));
}

.editorial-grid,
.eclipse-head {
  display: grid;
  align-items: start;
  gap: clamp(2rem, 6vw, 7rem);
  grid-template-columns: minmax(0, 1.05fr) minmax(20rem, 0.95fr);
}

.section-heading h2,
.system-intro h2,
.capabilities-head h2,
.eclipse-head h2,
.closing h2 {
  max-width: 15ch;
  margin-top: 1rem;
  font-size: clamp(2.5rem, 5vw, 4.9rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 0.98;
}

.section-heading h2 span {
  color: var(--signal-bright);
}

.section-heading > p:not(.eyebrow),
.system-intro > p,
.capabilities-head > p,
.eclipse-head .prose,
.closing-copy > p {
  color: var(--muted-strong);
  font-size: 1.125rem;
  line-height: 1.65;
}

.prose {
  max-width: var(--prose);
  color: var(--muted-strong);
}

.prose p + p {
  margin-top: 1.2rem;
}

.prose--large {
  font-size: clamp(1.15rem, 2vw, 1.45rem);
  line-height: 1.65;
}

.decision-ledger {
  display: grid;
  margin-top: clamp(3rem, 6vw, 5rem);
  border-block: 0.0625rem solid var(--rule);
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.decision-ledger article {
  min-width: 0;
  padding: 1.5rem;
}

.decision-ledger article + article {
  border-left: 0.0625rem solid var(--rule);
}

.decision-ledger span,
.application-list > li > span {
  color: var(--signal);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 700;
}

.decision-ledger h3 {
  margin-top: 1.5rem;
  font-size: 1.5rem;
  line-height: 1.1;
}

.decision-ledger p {
  margin-top: 0.75rem;
  color: var(--muted);
  font-size: 0.95rem;
}

.pull-quote {
  margin-top: clamp(2.75rem, 5vw, 4.5rem);
  padding: clamp(1.5rem, 3vw, 2.75rem) 0;
  border-left: 0.25rem solid var(--signal);
}

.pull-quote p {
  max-width: 29ch;
  margin-left: clamp(1.5rem, 4vw, 3rem);
  font-size: clamp(2rem, 3.8vw, 3.4rem);
  font-weight: 600;
  letter-spacing: -0.025em;
  line-height: 1.08;
}

.system-intro,
.capabilities-head {
  display: grid;
  align-items: end;
  gap: 3rem;
  grid-template-columns: minmax(0, 1.1fr) minmax(20rem, 0.9fr);
}

.system-intro h2,
.capabilities-head h2,
.eclipse-head h2 {
  max-width: 13ch;
}

.system-stages {
  display: grid;
  margin-top: clamp(3rem, 6vw, 5rem);
  padding: 0;
  border: 0.0625rem solid var(--rule-bright);
  border-radius: var(--radius-lg);
  background: var(--surface);
  list-style: none;
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.system-stages li {
  position: relative;
  display: flex;
  min-height: 20.5rem;
  min-width: 0;
  flex-direction: column;
  padding: 1.5rem;
}

.system-stages li + li {
  border-left: 0.0625rem solid var(--rule);
}

.system-stages li:not(:last-child)::after {
  position: absolute;
  z-index: 2;
  top: 4.25rem;
  right: -0.62rem;
  display: grid;
  width: 1.25rem;
  height: 1.25rem;
  place-items: center;
  border: 0.0625rem solid var(--rule-bright);
  border-radius: 50%;
  background: var(--surface);
  color: var(--signal);
  content: "›";
  font-family: var(--font-mono);
}

.stage-index {
  color: var(--muted);
  font-size: 0.6875rem;
}

.stage-icon {
  position: relative;
  display: grid;
  width: 4rem;
  height: 4rem;
  margin-top: 2rem;
  place-items: center;
  border: 0.0625rem solid var(--rule-bright);
  border-radius: 50%;
  background: var(--page);
  color: var(--signal);
}

.stage-icon::after {
  position: absolute;
  right: -0.3rem;
  bottom: 0.2rem;
  width: 0.625rem;
  height: 0.625rem;
  border: 0.15rem solid var(--surface);
  border-radius: 50%;
  background: var(--nominal);
  content: "";
}

.icon-sensor,
.icon-history,
.icon-signal,
.icon-decision {
  position: relative;
  display: block;
  width: 1.8rem;
  height: 1.8rem;
}

.icon-sensor::before,
.icon-sensor::after {
  position: absolute;
  inset-inline: 0;
  border: 0.125rem solid currentColor;
  border-bottom: 0;
  border-radius: 2rem 2rem 0 0;
  content: "";
}

.icon-sensor::before { top: 0.1rem; height: 0.8rem; }
.icon-sensor::after { top: 0.65rem; right: 0.35rem; left: 0.35rem; height: 0.55rem; }

.icon-history {
  border: 0.125rem solid currentColor;
  border-radius: 50%;
}

.icon-history::before {
  position: absolute;
  top: 0.35rem;
  left: 0.8rem;
  width: 0.125rem;
  height: 0.65rem;
  background: currentColor;
  box-shadow: 0.28rem 0.48rem 0 -0.01rem currentColor;
  content: "";
}

.icon-signal::before {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, transparent 0 29%, currentColor 30% 36%, transparent 37% 51%, currentColor 52% 58%, transparent 59% 72%, currentColor 73% 79%, transparent 80%);
  content: "";
}

.icon-decision::before {
  position: absolute;
  top: 0.15rem;
  left: 0.55rem;
  width: 0.8rem;
  height: 1.25rem;
  border: 0.125rem solid currentColor;
  border-top: 0;
  border-left: 0;
  content: "";
  transform: rotate(45deg);
}

.system-stages h3 {
  margin-top: 1.5rem;
  font-size: 1.75rem;
  line-height: 1.1;
}

.system-stages p {
  margin-top: 0.75rem;
  color: var(--muted-strong);
}

.system-stages small {
  margin-top: auto;
  padding-top: 1.5rem;
  color: var(--signal-bright);
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.how-grid {
  display: grid;
  align-items: start;
  gap: clamp(3rem, 7vw, 8rem);
  grid-template-columns: minmax(18rem, 0.8fr) minmax(0, 1.2fr);
}

.section-heading--sticky {
  position: sticky;
  top: 7rem;
}

.section-heading--sticky > p:last-child {
  max-width: 34rem;
  margin-top: 1.5rem;
}

.operating-principles {
  border-top: 0.0625rem solid var(--rule-bright);
}

.operating-principles article {
  display: grid;
  gap: 1.5rem;
  padding-block: 2rem;
  border-bottom: 0.0625rem solid var(--rule);
  grid-template-columns: 3rem 1fr;
}

.principle-number {
  color: var(--signal);
  font-size: 0.75rem;
  font-weight: 700;
}

.operating-principles h3 {
  font-size: 1.65rem;
  line-height: 1.1;
}

.operating-principles p {
  max-width: 42rem;
  margin-top: 0.65rem;
  color: var(--muted);
}

.section--capabilities {
  position: relative;
  border-bottom: 0.0625rem solid var(--rule);
  background: var(--page-deep);
}

.section--capabilities::before {
  position: absolute;
  inset: 0;
  background: linear-gradient(115deg, rgb(155 138 231 / 0.035), transparent 35%, rgb(74 183 232 / 0.035));
  content: "";
  pointer-events: none;
}

.capabilities-head,
.capability-ledger,
.forecast-panel,
.expansion-grid {
  position: relative;
}

.technical-scope {
  margin-top: 32px;
  border-block: 1px solid var(--rule);
}

.technical-scope summary {
  min-height: 52px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding-block: 14px;
  color: var(--signal);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.11em;
  text-transform: uppercase;
  cursor: pointer;
  list-style: none;
}

.technical-scope summary::-webkit-details-marker { display: none; }

.technical-scope summary::after {
  content: "+";
  font-size: 1rem;
}

.technical-scope[open] summary::after {
  content: "−";
}

.technical-scope .expansion-grid {
  padding-block: 8px 32px;
}

.status-key {
  display: grid;
  gap: 0.65rem 1.5rem;
  color: var(--muted-strong);
  font-size: 0.6875rem;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  text-transform: uppercase;
}

.status-key span {
  display: flex;
  align-items: center;
  gap: 0.65rem;
}

.capability-ledger {
  display: grid;
  margin-top: 4rem;
  border-block: 0.0625rem solid var(--rule-bright);
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.capability-ledger article {
  display: grid;
  min-width: 0;
  gap: 2rem;
  padding: 1.75rem 0;
  grid-template-columns: minmax(12rem, 0.75fr) minmax(0, 1.25fr);
}

.capability-ledger article:nth-child(odd) {
  padding-right: 2rem;
}

.capability-ledger article:nth-child(even) {
  padding-left: 2rem;
  border-left: 0.0625rem solid var(--rule);
}

.capability-ledger article:nth-child(n+3) {
  border-top: 0.0625rem solid var(--rule);
}

.status {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  color: var(--muted-strong);
  font-size: 0.65625rem;
  font-weight: 700;
  letter-spacing: 0.07em;
  text-transform: uppercase;
}

.status::before {
  width: 0.42rem;
  height: 0.42rem;
  border-radius: 50%;
  background: currentColor;
  content: "";
}

.status--validated { color: var(--signal-bright); }
.status--experimental { color: var(--model); }
.status--expanding { color: var(--caution); }
.status--recorded { color: var(--nominal); }
.status--representative { color: var(--model); }

.capability-ledger h3,
.expansion-grid h3 {
  margin-top: 0.75rem;
  font-size: 1.45rem;
  line-height: 1.15;
}

.capability-ledger p,
.expansion-grid p {
  color: var(--muted);
}

.forecast-panel {
  display: grid;
  margin-top: 4.5rem;
  overflow: hidden;
  border: 0.0625rem solid var(--rule-bright);
  border-radius: var(--radius-lg);
  background: var(--surface);
  grid-template-columns: minmax(18rem, 0.72fr) minmax(0, 1.28fr);
}

.forecast-intro {
  padding: clamp(1.5rem, 3vw, 2.5rem);
  border-right: 0.0625rem solid var(--rule);
}

.forecast-intro h3 {
  margin-top: 1rem;
  font-size: clamp(2rem, 3.5vw, 3.25rem);
  line-height: 1;
}

.forecast-intro > p:last-child {
  margin-top: 1.25rem;
  color: var(--muted);
}

.forecast-rail {
  display: grid;
}

.forecast-row {
  display: grid;
  min-width: 0;
  align-items: center;
  gap: 0.75rem;
  padding: 1.1rem 1.5rem;
  grid-template-columns: minmax(7rem, 1fr) 3.75rem 3.75rem minmax(8rem, 1fr);
}

.forecast-row + .forecast-row {
  border-top: 0.0625rem solid var(--rule);
}

.forecast-row strong {
  font-size: 1.15rem;
}

.forecast-row > span {
  display: grid;
  min-height: 2.75rem;
  place-items: center;
  border: 0.0625rem solid var(--rule-bright);
  border-radius: var(--radius-sm);
  color: var(--signal-bright);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 750;
}

.forecast-row small {
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  text-align: right;
  text-transform: uppercase;
}

.expansion-grid {
  display: grid;
  margin-top: 2rem;
  gap: 1rem;
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.expansion-grid article {
  min-width: 0;
  padding: 1.5rem;
  border-top: 0.125rem solid var(--model);
  background: var(--surface);
}

.expansion-grid article:nth-child(n+2) {
  border-top-color: var(--caution);
}

.expansion-grid p {
  margin-top: 0.75rem;
}

.applications-grid {
  display: grid;
  align-items: start;
  gap: clamp(3rem, 7vw, 8rem);
  grid-template-columns: minmax(18rem, 0.78fr) minmax(0, 1.22fr);
}

.applications-grid .section-heading > p:last-child {
  max-width: 35rem;
  margin-top: 1.5rem;
}

.application-list {
  padding: 0;
  border-top: 0.0625rem solid var(--rule-bright);
  list-style: none;
}

.application-list li {
  display: grid;
  gap: 1.5rem;
  padding-block: 1.6rem;
  border-bottom: 0.0625rem solid var(--rule);
  grid-template-columns: 3rem 1fr;
}

.application-list h3 {
  font-size: 1.5rem;
  line-height: 1.15;
}

.application-list p {
  margin-top: 0.45rem;
  color: var(--muted);
}

.section--eclipse {
  background:
    radial-gradient(circle at 78% 34%, rgb(230 175 67 / 0.075), transparent 27rem),
    linear-gradient(180deg, #08131f, #071018);
}

.evidence-figure {
  margin-top: clamp(2.5rem, 5vw, 4.5rem);
  overflow: hidden;
  border: 0.0625rem solid var(--rule-bright);
  border-radius: var(--radius-lg);
  background: var(--surface);
  box-shadow: var(--shadow);
}

.evidence-figure img {
  width: 100%;
  height: auto;
}

.evidence-summary {
  display: grid;
  border-bottom: 0.0625rem solid var(--rule-bright);
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.evidence-summary > div,
.evidence-summary > p {
  min-width: 0;
  padding: 1.5rem;
}

.evidence-summary > * + * {
  border-left: 0.0625rem solid var(--rule);
}

.evidence-summary > div {
  display: flex;
  min-height: 8.5rem;
  flex-direction: column;
  justify-content: space-between;
}

.evidence-summary strong {
  color: var(--signal-bright);
  font-size: clamp(1.7rem, 3vw, 2.8rem);
  line-height: 1;
}

.evidence-summary strong small {
  font-size: 0.55em;
}

.evidence-summary span {
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  text-transform: uppercase;
}

.evidence-summary > p {
  border-top: 0.0625rem solid var(--rule);
  border-left: 0;
  color: var(--muted-strong);
  grid-column: 1 / -1;
}

.section-actions {
  margin-top: 2rem;
}

.real-world-grid {
  display: grid;
  margin-top: 4rem;
  align-items: start;
  gap: 1rem;
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.evidence-card {
  display: grid;
  min-width: 0;
  overflow: hidden;
  border: 0.0625rem solid var(--rule-bright);
  border-radius: var(--radius-lg);
  background: var(--surface);
  grid-template-rows: auto auto;
}

.evidence-card-media {
  position: relative;
  min-height: 0;
  overflow: hidden;
  border-bottom: 0.0625rem solid var(--rule);
  aspect-ratio: 4 / 3;
  background: var(--page-deep);
}

.evidence-card-media img,
.evidence-card-media picture {
  width: 100%;
  height: 100%;
}

.evidence-card-media img {
  object-fit: cover;
}

.evidence-card-media--portrait img {
  object-position: 50% 28%;
}

.evidence-card-media--console img {
  object-position: 50% 15%;
}

.media-disclosure {
  position: absolute;
  right: 0.75rem;
  bottom: 0.75rem;
  left: 0.75rem;
  padding: 0.55rem 0.7rem;
  border: 0.0625rem solid rgb(114 205 244 / 0.45);
  border-radius: var(--radius-sm);
  background: rgb(4 11 17 / 0.9);
  color: var(--text);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 650;
  line-height: 1.35;
  text-transform: uppercase;
}

.evidence-card-body {
  display: flex;
  flex-direction: column;
  padding: 1.4rem;
}

.evidence-card h3 {
  margin-top: 0.9rem;
  font-size: 1.65rem;
  line-height: 1.12;
}

.evidence-card p {
  margin-top: 0.75rem;
  color: var(--muted);
}

.closing {
  padding-block: clamp(4.5rem, 9vw, 8rem);
  border-bottom: 0.0625rem solid var(--rule);
  background: var(--page-deep);
}

.closing-grid {
  display: grid;
  align-items: end;
  gap: clamp(3rem, 7vw, 8rem);
  grid-template-columns: minmax(0, 1.2fr) minmax(20rem, 0.8fr);
}

.closing h2 {
  max-width: 18ch;
}

.closing-copy strong {
  color: var(--text);
}

.closing-actions {
  margin-top: 1.75rem;
}

.site-footer {
  padding-block: 2.5rem;
  background: #03080d;
}

.footer-grid {
  display: grid;
  align-items: end;
  gap: 2rem;
  grid-template-columns: 1.25fr 1fr auto;
}

.footer-grid > div {
  display: grid;
  gap: 0.35rem;
}

.footer-grid strong {
  font-size: 1.15rem;
}

.footer-grid span,
.footer-grid p {
  color: var(--muted);
  font-size: 0.8rem;
}

.footer-grid nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem 1.25rem;
}

.footer-grid nav a {
  min-width: 2.75rem;
  min-height: 2.75rem;
  align-content: center;
  color: var(--muted-strong);
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  text-underline-offset: 0.25rem;
  text-transform: uppercase;
}

.footer-grid p {
  text-align: right;
}

@media (max-width: 75rem) {
  .hero-grid {
    gap: 3rem;
    grid-template-columns: minmax(0, 1fr) minmax(23rem, 0.88fr);
  }

  .hero-copy h1 {
    font-size: clamp(3.5rem, 6vw, 5.5rem);
  }

  .capability-ledger article {
    grid-template-columns: 1fr;
    gap: 1rem;
  }
}

@media (max-width: 80rem) {
  .hero-system-portrait {
    min-height: 32rem;
    aspect-ratio: auto;
  }

  .portrait-path--wide {
    display: none;
  }

  .portrait-path--compact {
    display: block;
  }

  .portrait-flow {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    grid-template-rows: repeat(2, minmax(0, 1fr));
  }

  .portrait-stage {
    min-height: 12.5rem;
  }

  .portrait-stage-copy > strong {
    min-height: 0;
  }

  .portrait-stage-copy {
    height: auto;
    grid-template-rows: auto auto;
  }
}

@media (max-width: 64rem) {
  :root {
    --section-space: 4.75rem;
  }

  .hero-grid {
    min-height: auto;
    grid-template-columns: 1fr;
  }

  .hero-copy {
    max-width: 55rem;
    padding-bottom: 0;
  }

  .hero-copy h1 {
    max-width: 14ch;
    font-size: clamp(3.75rem, 9vw, 6rem);
  }

  .hero-system-portrait {
    width: min(100%, 60rem);
  }

  .proof-strip,
  .decision-ledger,
  .system-stages {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .proof-strip span:nth-child(3),
  .proof-strip span:nth-child(4),
  .decision-ledger article:nth-child(3),
  .decision-ledger article:nth-child(4),
  .system-stages li:nth-child(3),
  .system-stages li:nth-child(4) {
    border-top: 0.0625rem solid var(--rule);
  }

  .proof-strip span:nth-child(3),
  .decision-ledger article:nth-child(3),
  .system-stages li:nth-child(3) {
    border-left: 0;
  }

  .system-stages li:nth-child(2)::after {
    display: none;
  }

  .editorial-grid,
  .eclipse-head,
  .system-intro,
  .capabilities-head,
  .how-grid,
  .applications-grid,
  .closing-grid {
    gap: 2.75rem;
    grid-template-columns: 1fr;
  }

  .section-heading h2,
  .system-intro h2,
  .capabilities-head h2,
  .eclipse-head h2 {
    max-width: 18ch;
  }

  .section-heading--sticky {
    position: static;
  }

  .status-key {
    max-width: 35rem;
  }

  .forecast-panel {
    grid-template-columns: 1fr;
  }

  .forecast-intro {
    border-right: 0;
    border-bottom: 0.0625rem solid var(--rule);
  }

  .evidence-summary {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .evidence-summary > p {
    border-top: 0.0625rem solid var(--rule);
    border-left: 0;
    grid-column: 1 / -1;
  }

  .real-world-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .real-world-grid .evidence-card:last-child {
    grid-column: 1 / -1;
  }

  .real-world-grid .evidence-card:last-child .evidence-card-media {
    aspect-ratio: 16 / 9;
  }

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

  .footer-grid p {
    text-align: left;
    grid-column: 1 / -1;
  }
}

@media (max-width: 56.25rem) {
  .header-inner {
    flex-wrap: wrap;
    gap: 0.5rem 1rem;
    padding-block: 0.55rem;
  }

  .js .nav-toggle {
    display: inline-flex;
  }

  .site-nav {
    order: 3;
    display: grid;
    width: 100%;
    gap: 0;
    padding-top: 0.5rem;
    border-top: 0.0625rem solid var(--rule);
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .js .site-nav {
    display: none;
  }

  .js .site-nav.is-open {
    display: grid;
  }

  .site-nav a {
    min-height: 2.875rem;
    justify-content: center;
    border: 0;
  }
}

@media (max-width: 50rem) {
  :root {
    --section-space: 4rem;
  }

  .hero-copy h1 {
    font-size: clamp(3.15rem, 12vw, 5rem);
  }

  .hero-system-portrait {
    min-height: 31rem;
    aspect-ratio: auto;
  }

  .portrait-flow {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .portrait-stage {
    min-height: 11.75rem;
  }

  .proof-strip,
  .decision-ledger,
  .system-stages,
  .capability-ledger,
  .expansion-grid,
  .real-world-grid {
    grid-template-columns: 1fr;
  }

  .proof-strip span,
  .proof-strip span:nth-child(n),
  .decision-ledger article,
  .decision-ledger article:nth-child(n),
  .system-stages li,
  .system-stages li:nth-child(n) {
    border-top: 0.0625rem solid var(--rule);
    border-left: 0;
  }

  .proof-strip span:first-child,
  .decision-ledger article:first-child,
  .system-stages li:first-child {
    border-top: 0;
  }

  .system-stages li {
    min-height: 16rem;
  }

  .system-stages li::after {
    display: none !important;
  }

  .capability-ledger article,
  .capability-ledger article:nth-child(n) {
    padding: 1.5rem 0;
    border-top: 0.0625rem solid var(--rule);
    border-left: 0;
  }

  .capability-ledger article:first-child {
    border-top: 0;
  }

  .forecast-row {
    grid-template-columns: minmax(6rem, 1fr) 3.4rem 3.4rem;
  }

  .forecast-row small {
    text-align: left;
    grid-column: 1 / -1;
  }

  .real-world-grid .evidence-card:last-child {
    grid-column: auto;
  }

  .real-world-grid .evidence-card:last-child .evidence-card-media,
  .evidence-card-media {
    aspect-ratio: 4 / 3;
  }

  .evidence-summary {
    grid-template-columns: 1fr;
  }

  .evidence-summary > *,
  .evidence-summary > p {
    border-top: 0.0625rem solid var(--rule);
    border-left: 0;
  }

  .evidence-summary > :first-child {
    border-top: 0;
  }

  .evidence-summary > div {
    min-height: 7rem;
  }

  .evidence-figure figcaption {
    align-items: flex-start;
    flex-direction: column;
    gap: 0.25rem;
  }

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

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

@media (max-width: 30rem) {
  .brand-type small {
    max-width: 12rem;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
  }

  .hero {
    padding-top: 2rem;
  }

  .hero-copy {
    padding-top: 1rem;
  }

  .hero-copy h1 {
    font-size: clamp(2.8rem, 14vw, 4rem);
  }

  .hero-actions,
  .hero-actions .button,
  .closing-actions,
  .closing-actions .button,
  .section-actions,
  .section-actions .button {
    width: 100%;
  }

  .hero-actions .button,
  .closing-actions .button,
  .section-actions .button {
    justify-content: space-between;
  }

  .hero-system-portrait {
    min-height: 0;
  }

  .portrait-header,
  .hero-system-portrait figcaption {
    padding-inline: 0.85rem;
  }

  .portrait-path--compact {
    display: none;
  }

  .portrait-path--mobile {
    display: block;
  }

  .portrait-flow {
    grid-template-columns: 1fr;
    grid-template-rows: none;
  }

  .portrait-stage,
  .portrait-stage:nth-child(n) {
    display: grid;
    min-height: 8.65rem;
    align-items: center;
    align-content: center;
    gap: 0.35rem 0.8rem;
    padding: 0.8rem 0.85rem;
    grid-template-columns: 5.5rem minmax(0, 1fr);
    grid-template-rows: auto 1fr;
  }

  .portrait-stage-index {
    grid-column: 2;
    grid-row: 1;
  }

  .portrait-stage-visual {
    width: 4.25rem;
    height: 4.25rem;
    grid-column: 1;
    grid-row: 1 / 3;
  }

  .portrait-stage-copy {
    align-self: center;
    min-height: 0;
    grid-column: 2;
    grid-row: 2;
  }

  .proof-strip {
    margin-top: 2rem;
  }

  .section-heading h2,
  .system-intro h2,
  .capabilities-head h2,
  .eclipse-head h2,
  .closing h2 {
    font-size: clamp(2.35rem, 12vw, 3.5rem);
  }

  .pull-quote p {
    font-size: 2rem;
  }

  .status-key {
    grid-template-columns: 1fr;
  }

  .operating-principles article,
  .application-list li {
    grid-template-columns: 2.25rem 1fr;
  }

  .forecast-row {
    padding-inline: 1rem;
    grid-template-columns: 1fr 3.25rem 3.25rem;
  }

}

@media (max-width: 56.25rem) and (max-height: 31.25rem) and (orientation: landscape) {
  html {
    scroll-padding-top: 4.5rem;
  }

  .site-header {
    position: relative;
  }

  .header-inner {
    min-height: 4rem;
  }

  .site-nav {
    grid-template-columns: repeat(6, minmax(0, 1fr));
  }

  .hero {
    padding-top: 1.5rem;
  }

  .hero-grid {
    min-height: 0;
    align-items: center;
    gap: 1.25rem;
    grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  }

  .hero-copy {
    padding-block: 0;
  }

  .hero-copy h1 {
    max-width: 18ch;
    margin-top: 0.8rem;
    font-size: clamp(2.45rem, 5.7vw, 3.1rem);
  }

  .hero-lede {
    margin-top: 1rem;
    font-size: 0.95rem;
    line-height: 1.4;
  }

  .hero-actions {
    margin-top: 1rem;
  }

  .hero-actions .button {
    min-height: 2.75rem;
    padding: 0.55rem 0.75rem;
    font-size: 0.64rem;
  }

  .utility-link {
    min-height: 2.75rem;
    margin-top: 0.35rem;
    font-size: 0.65rem;
  }

  .hero-system-portrait {
    min-height: 18rem;
    aspect-ratio: auto;
  }

  .portrait-header,
  .hero-system-portrait figcaption {
    padding: 0.5rem 0.65rem;
  }

  .portrait-header p,
  .hero-system-portrait figcaption {
    font-size: 0.7rem;
  }

  .portrait-path--mobile {
    display: none;
  }

  .portrait-path--compact {
    display: block;
  }

  .portrait-flow {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    grid-template-rows: repeat(2, minmax(0, 1fr));
  }

  .portrait-stage,
  .portrait-stage:nth-child(n) {
    display: grid;
    min-height: 6.35rem;
    align-content: space-between;
    gap: 0.12rem;
    padding: 0.55rem 0.65rem;
    grid-template-columns: minmax(0, 1fr);
    grid-template-rows: auto 2.75rem auto;
  }

  .portrait-stage-index {
    grid-column: 1;
    grid-row: 1;
  }

  .portrait-stage-visual {
    width: 2.5rem;
    height: 2.5rem;
    align-self: center;
    justify-self: center;
    grid-column: 1;
    grid-row: 2;
  }

  .portrait-stage-copy {
    min-height: 0;
    gap: 0.12rem;
    grid-column: 1;
    grid-row: 3;
  }

  .portrait-stage-copy > strong {
    font-size: 0.76rem;
  }

  .portrait-stage-copy p,
  .portrait-stage-index,
  .hero-system-portrait figcaption {
    font-size: 0.6875rem;
  }

  .portrait-assessment i {
    height: 1.35rem;
  }

  .portrait-assessment i:nth-child(2) {
    height: 1.75rem;
  }

  .portrait-assessment i:nth-child(3) {
    height: 1rem;
  }

  .portrait-decision span {
    font-size: 0.6875rem;
  }

  .section {
    padding-block: 3.5rem;
  }

  .evidence-card-media {
    max-height: 22rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.001ms !important;
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
  }

  .button:is(:hover, :focus-visible) {
    transform: none;
  }
}

@media (forced-colors: active) {
  .status-dot,
  .status::before,
  .stage-icon::after {
    forced-color-adjust: none;
  }

  .hero::before,
  body::before,
  .section--capabilities::before {
    display: none;
  }

  .button,
  .evidence-card,
  .forecast-panel,
  .system-stages,
  .hero-system-portrait {
    border: 0.125rem solid CanvasText;
  }
}

@media print {
  :root {
    --page: #fff;
    --page-deep: #fff;
    --surface: #fff;
    --surface-raised: #fff;
    --rule: #888;
    --rule-bright: #555;
    --text: #000;
    --muted: #333;
    --muted-strong: #222;
    --signal: #086c96;
    --signal-bright: #086c96;
  }

  body::before,
  .nav-toggle,
  .site-nav,
  .config-note,
  .site-footer nav {
    display: none !important;
  }

  .site-header {
    position: static;
    backdrop-filter: none;
  }

  .section,
  .closing {
    padding-block: 2rem;
  }

  .hero-grid,
  .editorial-grid,
  .system-intro,
  .how-grid,
  .applications-grid,
  .eclipse-head,
  .closing-grid {
    display: block;
  }

  .hero-copy h1,
  .section-heading h2,
  .system-intro h2,
  .capabilities-head h2,
  .eclipse-head h2,
  .closing h2 {
    font-size: 2.2rem;
  }

  .hero-system-portrait,
  .evidence-figure,
  .evidence-card,
  .system-stages,
  .forecast-panel {
    box-shadow: none;
    break-inside: avoid;
  }

  a[href^="http"]::after {
    color: #333;
    content: " (" attr(href) ")";
    font-size: 0.75em;
  }
}

.error-page {
  min-height: 100svh;
}

.error-main {
  display: grid;
  min-height: calc(100svh - 4.75rem);
  place-items: center;
  padding-block: 3rem;
}

.error-content h1 {
  max-width: 15ch;
  margin-top: 1.25rem;
  font-size: clamp(3rem, 8vw, 6rem);
  line-height: 0.95;
}

.error-content > p:not(.eyebrow) {
  max-width: 36rem;
  margin-top: 1.5rem;
  color: var(--muted-strong);
  font-size: 1.2rem;
}

.error-content .button {
  margin-top: 2rem;
}