:root {
  color-scheme: light;

  /* Typography */
  --font-primary: "Montserrat", "Inter", "Helvetica Neue", Arial, sans-serif;
  --font-body-default: "Geologica", "Inter", system-ui, sans-serif;
  --font-readable: "Montserrat", "Geologica", "Inter", system-ui, sans-serif;
  --font-body: var(--font-body-default);
  --font-technical: "IBM Plex Mono", ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  --font-human: "Bitcount Single", "Gochi Hand", cursive;

  /* Neutral light theme */
  --paper: #f2f3f3;
  --paper-warm: #e7e9ea;
  --panel: #f9fafa;
  --panel-soft: #eceeef;
  --panel-translucent: rgba(255, 255, 255, 0.38);

  --ink: #181a1c;
  --soft-ink: #42474c;
  --muted: #70767c;
  --line: rgba(24, 26, 28, 0.15);

  --copper: #ff5a00;
  --copper-dark: #d94d00;

  --header-bg: rgba(242, 243, 243, 0.90);
  --grid-line-x: rgba(24, 26, 28, 0.035);
  --grid-line-y: rgba(24, 26, 28, 0.025);

  --inverse-surface: #101214;
  --inverse-text: #f2f3f3;
  --inverse-muted: rgba(242, 243, 243, 0.74);

  --image-neutral: #d9dde0;
  --image-light: #e7e9ea;
  --image-dark: #111315;

  --compass-line-soft: rgba(24, 26, 28, 0.11);
  --compass-line: rgba(24, 26, 28, 0.40);
  --compass-line-mid: rgba(24, 26, 28, 0.32);
  --compass-line-strong: rgba(24, 26, 28, 0.68);
  --compass-label: rgba(24, 26, 28, 0.72);
  --compass-card: rgba(249, 250, 250, 0.90);
  --compass-card-copy: rgba(24, 26, 28, 0.72);
  --compass-progress: rgba(24, 26, 28, 0.18);
  --soft-shadow: 0 18px 56px rgba(24, 26, 28, 0.08);
  --site-rail: clamp(24px, 4.5vw, 72px);
  --site-max: 1680px;
}

:root[data-theme="dark"] {
  color-scheme: dark;

  --paper: #111315;
  --paper-warm: #1a1d20;
  --panel: #181b1e;
  --panel-soft: #202428;
  --panel-translucent: rgba(255, 255, 255, 0.025);

  --ink: #f2f3f3;
  --soft-ink: #c7cbcf;
  --muted: #949a9f;
  --line: rgba(242, 243, 243, 0.14);

  --copper: #ff5a00;
  --copper-dark: #ff6a1a;

  --header-bg: rgba(17, 19, 21, 0.91);
  --grid-line-x: rgba(242, 243, 243, 0.026);
  --grid-line-y: rgba(242, 243, 243, 0.020);

  --inverse-surface: #070809;
  --inverse-text: #f2f3f3;
  --inverse-muted: rgba(242, 243, 243, 0.72);

  --image-neutral: #2a2f33;
  --image-light: #dfe2e3;
  --image-dark: #0b0d0e;

  --compass-line-soft: rgba(242, 243, 243, 0.10);
  --compass-line: rgba(242, 243, 243, 0.38);
  --compass-line-mid: rgba(242, 243, 243, 0.28);
  --compass-line-strong: rgba(242, 243, 243, 0.64);
  --compass-label: rgba(242, 243, 243, 0.72);
  --compass-card: rgba(24, 27, 30, 0.90);
  --compass-card-copy: rgba(242, 243, 243, 0.72);
  --compass-progress: rgba(242, 243, 243, 0.18);
  --soft-shadow: 0 18px 56px rgba(0, 0, 0, 0.24);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-body);
  font-weight: 100;
  font-synthesis: none;
  text-rendering: geometricPrecision;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  line-height: 1.45;
  overflow-x: hidden;
}

.site-grid {
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(to right, var(--grid-line-x) 1px, transparent 1px),
    linear-gradient(to bottom, var(--grid-line-y) 1px, transparent 1px);
  background-size: 72px 72px;
  mask-image: linear-gradient(to bottom, black, transparent 80%);
  z-index: 0;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px var(--site-rail);
  border-bottom: 1px solid var(--line);
  background: var(--header-bg);
  backdrop-filter: blur(16px);
}

.wordmark,
.nav-links a,
.button-primary,
.button-secondary,
.contact-link {
  color: var(--ink);
  text-decoration: none;
}

.wordmark {
  font-family: var(--font-primary);
  font-size: 12px;
  letter-spacing: 0.12em;
  font-weight: 400;
}

.wordmark::before {
  content: "";
  display: inline-block;
  width: 8px;
  height: 8px;
  border: 1px solid var(--copper);
  margin-right: 11px;
  transform: rotate(45deg);
}

.nav-links {
  display: flex;
  gap: clamp(16px, 2.7vw, 38px);
  font-family: var(--font-primary);
  font-size: 11px;
  letter-spacing: 0.08em;
  font-weight: 400;
}

.nav-links a:hover {
  color: var(--copper-dark);
}

.nav-cluster {
  display: flex;
  align-items: center;
  gap: clamp(16px, 2.7vw, 38px);
}

.reading-toggle {
  border: 0;
  background: transparent;
  color: var(--muted);
  cursor: pointer;
  font-family: var(--font-primary);
  font-size: 11px;
  font-weight: 400;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 0;
}

.reading-toggle:hover,
.reading-toggle:focus-visible,
.reading-toggle[aria-pressed="true"] {
  color: var(--copper);
  outline: none;
}

body.reading-mode {
  --font-body: var(--font-readable);
}

body.reading-mode .hero-copy,
body.reading-mode .capability-index p,
body.reading-mode .project-meta p,
body.reading-mode .flagship-panel p:not(.index-label):not(.human-note),
body.reading-mode .system-copy,
body.reading-mode .system-subtitle {
  font-family: var(--font-readable);
  font-weight: 100;
  letter-spacing: 0.005em;
}

.section-shell {
  position: relative;
  z-index: 1;
  width: min(var(--site-max), 100%);
  margin: 0 auto;
  padding: clamp(76px, 9.9vw, 144px) var(--site-rail);
}

.hero {
  min-height: 80vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  border-bottom: 1px solid var(--line);
}

.hero-kicker,
.index-label,
.project-meta span {
  font-family: var(--font-technical);
  font-size: 10px;
  font-weight: 100;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
}

.hero-kicker::after,
.index-label::after {
  content: "";
  display: inline-block;
  width: 38px;
  height: 1px;
  background: var(--copper);
  margin-left: 13px;
  vertical-align: middle;
}

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

h1 {
  font-family: var(--font-primary);
  margin-top: 31px;
  max-width: 990px;
  font-size: clamp(12px, 7.2vw, 113px);
  line-height: 1.08;
  letter-spacing: -0.045em;
  font-weight: 300;
}

h1 span {
  color: var(--soft-ink);
}

.hero-copy {
  font-family: var(--font-body);
  max-width: 702px;
  margin-top: 22px;
  font-size: clamp(12px, 1.35vw, 20px);
  line-height: 1.55;
  font-weight: 100;
  color: var(--soft-ink);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 13px;
  margin-top: 40px;
}

.button-primary,
.button-secondary {
  font-family: var(--font-primary);
  border: 1px solid var(--ink);
  padding: 13px 16px;
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-weight: 400;
}

.button-primary {
  background: var(--inverse-surface);
  color: var(--inverse-text);
}

.button-secondary:hover,
.button-primary:hover {
  border-color: var(--copper);
}

.hero-note {
  margin-top: 58px;
  max-width: 468px;
}

.human-note {
    font-family: var(--font-human);
    font-weight: 400;
    font-style: normal;
    font-size: clamp(18px, 1.9vw, 31px);
    line-height: 1.35;
    letter-spacing: -0.02em;
    color: #FF5A00;
}

.section-heading {
  display: grid;
  gap: 22px;
  margin-bottom: 41px;
}

.section-heading h2,
.flagship-panel h2,
.contact-section h2 {
  font-family: var(--font-primary);
  max-width: 828px;
  font-size: clamp(31px, 4.5vw, 65px);
  line-height: 1.22;
  letter-spacing: -0.025em;
  font-weight: 300;
}

.split-heading {
  grid-template-columns: minmax(0, 1fr) minmax(270px, 432px);
  align-items: end;
  gap: 43px;
}

.split-heading .human-note {
    font-size: clamp(17px, 1.62vw, 25px);
    color: #FF5A00;
    font-style: oblique;
}

.capability-index {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-top: 1px solid var(--line);
  border-left: 1px solid var(--line);
}

.capability-index article {
  min-height: 297px;
  padding: 23px;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: var(--panel-translucent);
}

.capability-index span {
  font-family: var(--font-technical);
  color: var(--copper-dark);
  font-size: 11px;
  font-weight: 300;
  letter-spacing: 0.08em;
}

.capability-index h3 {
  font-family: var(--font-primary);
  margin-top: 47px;
  font-size: 22px;
  letter-spacing: -0.015em;
  font-weight: 400;
}

.capability-index p {
  font-family: var(--font-body);
  margin-top: 16px;
  font-size: 14px;
  line-height: 1.55;
  font-weight: 100;
  color: var(--soft-ink);
}

.project-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.project-card {
  background: var(--paper);
  min-height: 378px;
  display: flex;
  flex-direction: column;
}

.project-card.featured {
  grid-column: span 2;
}

.project-image {
  flex: 1;
  min-height: 234px;
  border-bottom: 1px solid var(--line);
  background-color: var(--image-neutral);
  background-image: linear-gradient(135deg, rgba(26, 26, 26, 0.08), rgba(255, 255, 255, 0.16));
  position: relative;
  overflow: hidden;
}

.project-image::before,
.project-image::after {
  content: "";
  position: absolute;
  inset: 18%;
  border: 1px solid rgba(26, 26, 26, 0.18);
}

.project-image::after {
  inset: auto 22px 22px auto;
  width: 65px;
  height: 65px;
  border-color: var(--copper);
  transform: rotate(45deg);
}

.img-architecture {
  background: linear-gradient(90deg, var(--image-dark) 0 18%, var(--image-light) 18% 100%);
}

.img-building {
  background: repeating-linear-gradient(90deg, var(--image-dark) 0 8px, var(--panel-soft) 8px 14px, var(--image-light) 14px 54px);
}

.img-daymark {
  background: linear-gradient(90deg, var(--image-light) 0 45%, var(--image-dark) 45% 48%, var(--image-light) 48% 100%);
}

.img-torch {
  background: radial-gradient(circle at 50% 35%, var(--image-dark) 0 8%, var(--image-neutral) 9% 100%);
}

.img-menhir {
  background: linear-gradient(90deg, var(--image-light) 0 40%, var(--image-dark) 40% 55%, var(--image-light) 55%);
}

.img-marker {
  background: repeating-linear-gradient(0deg, var(--image-light) 0 34px, var(--image-dark) 34px 38px);
}

.img-kit {
  background: linear-gradient(135deg, var(--image-dark) 0 45%, var(--image-light) 45%);
}

.img-tags {
  background: radial-gradient(circle, var(--copper) 0 16%, var(--image-light) 17%);
}

.project-meta {
  padding: 20px;
}

.project-meta h3 {
  font-family: var(--font-primary);
  margin-top: 9px;
  font-size: 22px;
  letter-spacing: -0.015em;
  font-weight: 400;
}

.project-meta p {
  font-family: var(--font-body);
  margin-top: 11px;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.55;
  font-weight: 100;
}

.flagship-section {
  padding-top: 0;
}

.flagship-panel {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 47px;
  padding: clamp(29px, 4.5vw, 65px);
  border: 1px solid var(--line);
  background: var(--inverse-surface);
  color: var(--inverse-text);
}

.flagship-panel .index-label {
  color: var(--inverse-muted);
}

.flagship-panel p:not(.index-label):not(.human-note) {
  font-family: var(--font-body);
  color: var(--inverse-muted);
  font-size: clamp(14px, 1.26vw, 17px);
  line-height: 1.55;
  font-weight: 100;
}

.flagship-panel .human-note {
  grid-column: 2;
  color: var(--copper);
  margin-top: 7px;
}

.method-list {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  padding: 0;
  margin: 0;
  list-style: none;
}

.method-list li {
  min-height: 171px;
  background: var(--paper);
  padding: 22px;
}

.method-list span {
  font-family: var(--font-technical);
  color: var(--copper-dark);
  font-size: 11px;
  font-weight: 300;
  letter-spacing: 0.08em;
}

.method-list p {
  font-family: var(--font-primary);
  margin-top: 40px;
  font-size: 22px;
  letter-spacing: -0.015em;
  line-height: 1.3;
  font-weight: 400;
}

.contact-section {
  border-top: 1px solid var(--line);
}

.contact-link {
  font-family: var(--font-primary);
  display: inline-block;
  margin-top: 34px;
  font-size: clamp(25px, 3.15vw, 52px);
  letter-spacing: -0.025em;
  border-bottom: 1px solid var(--copper);
  font-weight: 400;
}

.contact-section .human-note {
    margin-top: 41px;
    max-width: 585px;
    color: #FF5A00;
}

.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 14px;
  padding: 23px var(--site-rail);
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-family: var(--font-technical);
  font-size: 10px;
  font-weight: 300;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

@media (max-width: 1080px) {
  .capability-index {
    grid-template-columns: repeat(2, 1fr);
  }

  .project-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .split-heading,
  .flagship-panel {
    grid-template-columns: 1fr;
  }

  .flagship-panel .human-note {
    grid-column: auto;
  }

  .method-list {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 720px) {
  .site-header {
    align-items: flex-start;
    gap: 16px;
    flex-direction: column;
  }

  .nav-links {
    flex-wrap: wrap;
    gap: 13px 20px;
  }

  .nav-cluster {
    width: 100%;
    justify-content: space-between;
    align-items: flex-start;
  }

  .reading-toggle {
    padding-top: 1px;
  }

  h1 {
    font-size: clamp(43px, 13.5vw, 77px);
  }

  .capability-index,
  .project-grid,
  .method-list {
    grid-template-columns: 1fr;
  }

  .project-card.featured {
    grid-column: auto;
  }

  .site-footer {
    flex-direction: column;
  }
}

/* CRUX DESIGN — Homepage Compass Hero Integration v3
   The standalone compass worked because these rules were local to the prototype.
   Keep this block in styles.css whenever the compass markup is used in index.html. */

.visually-hidden {
  position: absolute !important;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.home-compass-hero.section-shell {
  position: relative;
  overflow: hidden;
  width: min(var(--site-max), 100%);
  min-height: calc(100vh - 64px);
  padding-top: clamp(48px, 6.5vh, 86px);
  padding-bottom: clamp(72px, 9vh, 116px);
  display: grid;
  grid-template-columns: minmax(560px, 820px) minmax(300px, 360px);
  grid-template-areas:
    "field card"
    "intro intro";
  gap: clamp(28px, 4vw, 58px) clamp(34px, 5vw, 78px);
  align-items: center;
  border-bottom: 1px solid var(--line);
}

.home-compass-bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: -1;
  pointer-events: none;
}

.home-compass-leader {
  position: fixed;
  inset: 0;
  width: 100vw;
  height: 100vh;
  pointer-events: none;
  z-index: 9;
  overflow: visible;
}

#homeCompassLeaderPath {
  fill: none;
  stroke: var(--compass-line);
  stroke-width: 1;
  stroke-linecap: round;
  stroke-dasharray: 4 8;
  opacity: 0;
  transition: opacity 260ms cubic-bezier(.22,.61,.36,1);
}

#homeCompassLeaderPath.is-visible {
  opacity: .72;
}

.home-compass-intro {
  grid-area: intro;
  position: relative;
  z-index: 3;
  max-width: 1040px;
  margin-top: clamp(4px, 1.5vh, 18px);
}

.home-compass-intro .hero-kicker {
  margin-bottom: 24px;
}

.home-compass-intro h1 {
  max-width: 1060px;
  margin-top: 0;
  font-size: clamp(47px, 6.4vw, 108px);
  line-height: 0.98;
  letter-spacing: -0.05em;
  font-weight: 300;
}

.home-compass-intro .hero-copy {
  max-width: 720px;
}

.home-compass-field {
  grid-area: field;
  position: relative;
  height: clamp(500px, 60vh, 680px);
  min-height: 500px;
  transform-style: preserve-3d;
  perspective: 900px;
}

.home-compass-stage {
  position: absolute;
  inset: 0;
  transform: translate3d(var(--px,0), var(--py,0), 0);
  transition: transform .18s linear;
}

.home-compass-svg {
  width: 100%;
  height: 100%;
  display: block;
  overflow: visible;
}

.home-axis-line,
.home-datum-line,
.home-secondary-line {
  fill: none;
  stroke-linecap: round;
  transition: opacity 520ms cubic-bezier(.22,.61,.36,1), stroke 520ms cubic-bezier(.22,.61,.36,1);
}

.home-axis-line {
  stroke: var(--compass-line-soft);
  stroke-width: .85;
  stroke-dasharray: 2 12;
}

.home-datum-line {
  stroke: var(--compass-line);
  stroke-width: 1.05;
  stroke-dasharray: 7 10;
  opacity: .26;
}

.home-secondary-line {
  stroke: var(--compass-line-mid);
  stroke-width: .82;
  stroke-dasharray: 1 9;
  opacity: .16;
}

.home-datum-line.is-active,
.home-secondary-line.is-active {
  opacity: .78;
  stroke: var(--compass-line-strong);
}

.home-datum-line.is-complete {
  opacity: .72;
  stroke: var(--compass-line);
}

.home-compass-star {
  position: absolute;
  width: 78px;
  height: 78px;
  margin: -39px 0 0 -39px;
  padding: 0;
  border: 0;
  border-radius: 50%;
  background: transparent;
  cursor: pointer;
  display: grid;
  place-items: center;
  color: var(--ink);
  z-index: 5;
  outline: none;
  transition:
    left 1600ms cubic-bezier(.22,.61,.22,1),
    top 1600ms cubic-bezier(.22,.61,.22,1),
    opacity 620ms cubic-bezier(.22,.61,.36,1),
    transform 620ms cubic-bezier(.22,.61,.36,1);
  -webkit-tap-highlight-color: transparent;
}

.home-compass-star::before {
  content: "";
  position: absolute;
  inset: 9px;
  border-radius: 50%;
  background: rgba(255,90,0,.20);
  opacity: 0;
  transform: scale(.68);
  transition: opacity 280ms cubic-bezier(.22,.61,.36,1), transform 280ms cubic-bezier(.22,.61,.36,1);
}

.home-compass-star:hover::before,
.home-compass-star:focus-visible::before,
.home-compass-star[aria-pressed="true"]::before {
  opacity: 1;
  transform: scale(1);
}

.home-compass-star:focus-visible {
  outline: 1px dashed var(--copper);
  outline-offset: 2px;
}

.home-star-core {
  position: relative;
  width: 48px;
  height: 48px;
  background: transparent;
  transform: scale(1);
  transition: transform 280ms cubic-bezier(.22,.61,.36,1), background 450ms cubic-bezier(.22,.61,.36,1), box-shadow 450ms cubic-bezier(.22,.61,.36,1);
}

.home-star-core::before,
.home-star-core::after {
  content: "";
  position: absolute;
  left: 50%;
  top: 50%;
  width: 48px;
  height: 7px;
  border-radius: 999px;
  background: var(--ink);
  transform: translate(-50%, -50%);
  transition: background 280ms cubic-bezier(.22,.61,.36,1);
}

.home-star-core::after {
  width: 7px;
  height: 48px;
}

.home-compass-star:hover .home-star-core,
.home-compass-star:focus-visible .home-star-core,
.home-compass-star[aria-pressed="true"] .home-star-core {
  transform: scale(1.08);
}

.home-compass-star.is-fifth {
  cursor: default;
  pointer-events: none;
  opacity: .36;
}

.home-compass-star.is-fifth .home-star-core {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: var(--copper);
  box-shadow: 0 0 0 5px rgba(255,90,0,.08);
}

.home-compass-star.is-fifth .home-star-core::before,
.home-compass-star.is-fifth .home-star-core::after {
  display: none;
}

.home-compass-star.is-fifth.is-complete {
  opacity: 1;
  transform: scale(1.06);
}

.home-compass-star.is-fifth.is-complete .home-star-core {
  box-shadow: 0 0 0 8px rgba(255,90,0,.12), 0 0 34px rgba(255,90,0,.22);
}

.home-crux-origin-marker {
  position: absolute;
  width: 12px;
  height: 12px;
  margin: -6px 0 0 -6px;
  border-radius: 50%;
  background: var(--copper);
  box-shadow: 0 0 0 3px rgba(255,90,0,.05);
  opacity: .14;
  pointer-events: none;
  z-index: 1;
}

.home-star-label {
  font-family: var(--font-technical);
  position: absolute;
  top: calc(50% + 34px);
  left: 50%;
  transform: translateX(-50%);
  color: var(--compass-label);
  font-size: .68rem;
  letter-spacing: .16em;
  text-transform: uppercase;
  white-space: nowrap;
  opacity: 0;
  transition: opacity 280ms cubic-bezier(.22,.61,.36,1), transform 280ms cubic-bezier(.22,.61,.36,1);
}

.home-compass-star:hover .home-star-label,
.home-compass-star:focus-visible .home-star-label,
.home-compass-star[aria-pressed="true"] .home-star-label,
.home-compass-star.is-fifth.is-complete .home-star-label {
  opacity: 1;
  transform: translate(-50%, -4px);
}

.home-compass-star.is-fifth .home-star-label {
  color: var(--copper);
}

.home-compass-s1 { left: 51.7%; top: 8.7%; }
.home-compass-s2 { left: 80.8%; top: 37.5%; }
.home-compass-s3 { left: 28.2%; top: 47.5%; }
.home-compass-s4 { left: 58.8%; top: 91.0%; }
.home-compass-s5,
.home-crux-origin-marker { left: 65.0%; top: 62.6%; }

.home-compass-stage.is-logo .home-compass-s1 { left: 54.6%; top: 22.0%; }
.home-compass-stage.is-logo .home-compass-s2 { left: 75.0%; top: 42.5%; }
.home-compass-stage.is-logo .home-compass-s3 { left: 34.2%; top: 42.5%; }
.home-compass-stage.is-logo .home-compass-s4 { left: 54.6%; top: 63.0%; }
.home-compass-stage.is-logo .home-compass-s5 { left: 54.6%; top: 42.5%; }

.home-compass-card {
  grid-area: card;
  position: relative;
  align-self: center;
  width: 100%;
  min-height: 168px;
  padding: 1.25rem 1.35rem 1.3rem;
  background: var(--compass-card);
  border: 1px solid var(--line);
  backdrop-filter: blur(10px);
  box-shadow: var(--soft-shadow);
  z-index: 12;
}

.home-compass-card__kicker {
  margin: 0 0 .72rem;
  color: var(--muted);
  font-family: var(--font-primary);
  font-size: .67rem;
  letter-spacing: .18em;
  text-transform: uppercase;
}

.home-compass-card__title {
  margin: 0;
  font-family: var(--font-primary);
  font-weight: 400;
  font-size: 1.82rem;
  line-height: 1.08;
  letter-spacing: -.025em;
}

.home-compass-card__copy {
  margin: .84rem 0 0;
  color: var(--compass-card-copy);
  font-size: .94rem;
  line-height: 1.55;
}

.home-compass-progress {
  margin-top: 1.1rem;
  display: flex;
  gap: .48rem;
  align-items: center;
}

.home-compass-progress span {
  width: 24px;
  height: 1px;
  display: block;
  background: var(--compass-progress);
  transition: background 420ms cubic-bezier(.22,.61,.36,1), height 420ms cubic-bezier(.22,.61,.36,1);
}

.home-compass-progress span.is-on {
  height: 2px;
  background: var(--ink);
}

.home-compass-reset-row {
  display: none;
  gap: .75rem;
  align-items: center;
  margin-top: 1rem;
  color: var(--muted);
  font-size: 11px;
  line-height: 1.35;
}

.home-compass-reset-row.is-visible {
  display: flex;
}

.home-compass-reset {
  border: 1px solid var(--ink);
  background: transparent;
  color: var(--ink);
  padding: .55rem .7rem;
  font-family: var(--font-primary);
  font-size: .68rem;
  letter-spacing: .12em;
  text-transform: uppercase;
  cursor: pointer;
}

.home-compass-reset:hover,
.home-compass-reset:focus-visible {
  border-color: var(--copper);
  color: var(--copper);
  outline: none;
}

body.reading-mode .home-compass-card__copy,
body.reading-mode .home-compass-reset-row span {
  font-family: var(--font-readable);
  font-weight: 100;
  letter-spacing: .005em;
}

@media (max-width: 1180px) {
  .home-compass-hero.section-shell {
    grid-template-columns: minmax(480px, 1fr) minmax(280px, 330px);
    gap: 28px 36px;
  }
}

@media (max-width: 960px) {
  .home-compass-hero.section-shell {
    grid-template-columns: 1fr;
    grid-template-areas:
      "field"
      "card"
      "intro";
    padding-top: 42px;
  }

  .home-compass-field {
    height: min(64vh, 590px);
    min-height: 500px;
  }

  .home-compass-card {
    width: min(360px, 100%);
    justify-self: center;
  }

  .home-compass-leader {
    display: none;
  }
}

@media (max-width: 720px) {
  .home-compass-hero.section-shell {
    width: min(100%, 100vw);
    padding: 36px 14px 72px;
  }

  .home-compass-field {
    height: 550px;
    min-height: 510px;
  }

  .home-compass-stage {
    transform: translate3d(0,0,0) scale(.95);
  }

  .home-compass-intro h1 {
    font-size: clamp(43px, 13.5vw, 77px);
  }

  .home-compass-s1 { left: 51%; top: 9%; }
  .home-compass-s2 { left: 79%; top: 36%; }
  .home-compass-s3 { left: 27.5%; top: 46%; }
  .home-compass-s4 { left: 58%; top: 87%; }
  .home-compass-s5,
  .home-crux-origin-marker { left: 64%; top: 60%; }

  .home-compass-stage.is-logo .home-compass-s1 { left: 54%; top: 21%; }
  .home-compass-stage.is-logo .home-compass-s2 { left: 75%; top: 41%; }
  .home-compass-stage.is-logo .home-compass-s3 { left: 33%; top: 41%; }
  .home-compass-stage.is-logo .home-compass-s4 { left: 54%; top: 61%; }
  .home-compass-stage.is-logo .home-compass-s5 { left: 54%; top: 41%; }
}

@media (prefers-reduced-motion: reduce) {
  .home-compass-stage,
  .home-compass-star,
  .home-star-core,
  .home-star-label,
  .home-axis-line,
  .home-datum-line,
  .home-secondary-line {
    transition-duration: .001ms !important;
  }
}
/* CRUX neutral theme integration */
::selection {
  color: var(--inverse-text);
  background: rgba(255, 90, 0, 0.34);
}

html,
body,
.site-header,
.capability-index article,
.project-card,
.method-list li,
.home-compass-card,
.system-panel {
  transition:
    background-color 180ms ease,
    color 180ms ease,
    border-color 180ms ease;
}

:root[data-theme="dark"] .project-image::before,
:root[data-theme="dark"] .project-image::after {
  border-color: var(--line);
}

:root[data-theme="dark"] .button-primary {
  background: var(--inverse-text);
  color: var(--inverse-surface);
}

:root[data-theme="dark"] .button-secondary,
:root[data-theme="dark"] .home-compass-reset {
  border-color: var(--line);
}

@media (prefers-reduced-motion: reduce) {
  html,
  body,
  .site-header,
  .capability-index article,
  .project-card,
  .method-list li,
  .home-compass-card,
  .system-panel {
    transition-duration: 0.001ms !important;
  }
}

/* Root index alignment v0.2.1 */
.header-controls {
  display: flex;
  align-items: center;
  gap: 14px;
}

.theme-toggle {
  display: inline-flex;
  min-height: 30px;
  align-items: center;
  gap: 9px;
  padding: 5px 7px 5px 9px;
  border: 1px solid var(--line);
  color: var(--muted);
  background: transparent;
  font-family: var(--font-primary);
  font-size: 10px;
  font-weight: 400;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  cursor: pointer;
}

.theme-toggle:hover,
.theme-toggle:focus-visible {
  color: var(--ink);
  border-color: var(--copper);
  outline: none;
}

.theme-toggle-track {
  position: relative;
  width: 28px;
  height: 15px;
  flex: 0 0 auto;
  border: 1px solid var(--line);
  border-radius: 20px;
  background: var(--panel-soft);
}

.theme-toggle-knob {
  position: absolute;
  top: 2px;
  left: 2px;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--ink);
  transition: transform 180ms ease, background-color 180ms ease;
}

:root[data-theme="dark"] .theme-toggle-knob {
  transform: translateX(13px);
  background: var(--copper);
}

.home-compass-bg-lines {
  stroke: var(--compass-line-soft);
}

.home-compass-bg-labels,
.home-compass-bg-stars {
  fill: var(--compass-label);
}

.home-compass-card img {
  display: block;
  max-width: 100%;
  height: auto;
  margin-bottom: 16px;
}

:root[data-theme="dark"] .home-compass-card img {
  filter: invert(1) grayscale(1);
}

.inline-accent-link {
  color: var(--copper);
  text-decoration-color: rgba(255, 90, 0, 0.52);
  text-underline-offset: 0.18em;
}

.inline-accent-link:hover,
.inline-accent-link:focus-visible {
  color: var(--copper-dark);
}

@media (max-width: 720px) {
  .header-controls {
    margin-left: auto;
  }

  .theme-toggle > span:first-child {
    display: none;
  }

  .theme-toggle {
    padding-left: 7px;
  }
}


/* CRUX four-column page frame: margin / main / main / margin */
.site-grid::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(to right, transparent calc(var(--site-rail) - .5px), var(--line) calc(var(--site-rail) - .5px), var(--line) calc(var(--site-rail) + .5px), transparent calc(var(--site-rail) + .5px)),
    linear-gradient(to right, transparent calc(50% - .5px), var(--line) calc(50% - .5px), var(--line) calc(50% + .5px), transparent calc(50% + .5px)),
    linear-gradient(to right, transparent calc(100% - var(--site-rail) - .5px), var(--line) calc(100% - var(--site-rail) - .5px), var(--line) calc(100% - var(--site-rail) + .5px), transparent calc(100% - var(--site-rail) + .5px));
  opacity: .58;
}
.sensor-net-feature { border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.sensor-net-feature-grid { display: grid; grid-template-columns: 1.25fr .75fr; gap: 1px; border: 1px solid var(--line); background: var(--line); }
.sensor-net-feature-copy, .sensor-net-feature-links { background: var(--panel); }
.sensor-net-feature-copy { padding: clamp(30px, 4vw, 60px); }
.sensor-net-feature-kicker { color: var(--copper-dark); font-family: var(--font-technical); font-size: 10px; letter-spacing: .08em; text-transform: uppercase; }
.sensor-net-feature-copy > p:not(.sensor-net-feature-kicker) { max-width: 900px; margin-top: 46px; color: var(--soft-ink); font-family: var(--font-body); font-size: clamp(19px, 2vw, 30px); font-weight: 100; line-height: 1.55; letter-spacing: -.02em; }
.sensor-net-feature-links { display: grid; }
.sensor-net-feature-links a { display: grid; grid-template-columns: 52px 1fr; align-items: center; gap: 16px; min-height: 112px; padding: 24px; border-bottom: 1px solid var(--line); color: var(--ink); text-decoration: none; }
.sensor-net-feature-links a:last-child { border-bottom: 0; }
.sensor-net-feature-links a:hover { background: var(--panel-soft); }
.sensor-net-feature-links span { color: var(--copper-dark); font-family: var(--font-technical); font-size: 10px; }
.sensor-net-feature-links strong { font-family: var(--font-primary); font-size: 19px; font-weight: 400; }
@media (max-width: 900px) { .sensor-net-feature-grid { grid-template-columns: 1fr; } }
@media (max-width: 720px) {
  .site-grid::after { background: linear-gradient(to right, transparent calc(var(--site-rail) - .5px), var(--line) calc(var(--site-rail) - .5px), var(--line) calc(var(--site-rail) + .5px), transparent calc(var(--site-rail) + .5px)), linear-gradient(to right, transparent calc(100% - var(--site-rail) - .5px), var(--line) calc(100% - var(--site-rail) - .5px), var(--line) calc(100% - var(--site-rail) + .5px), transparent calc(100% - var(--site-rail) + .5px)); }
}


/* Selected Work — active live-system card */
.project-card-link { color: inherit; text-decoration: none; }
.active-project {
  grid-column: span 3;
  position: relative;
  transition: background-color 180ms ease, color 180ms ease;
}
.active-project .project-meta span,
.active-project .project-meta h3 { color: var(--copper); }
.active-project .project-meta { position: relative; }
.active-project .project-meta::after {
  content: "OPEN LIVE SYSTEM  →";
  position: absolute;
  right: 20px;
  top: 21px;
  color: var(--copper);
  font-family: var(--font-technical);
  font-size: 9px;
  font-weight: 300;
  letter-spacing: .09em;
  text-transform: uppercase;
}
.img-sensor-net {
  min-height: 234px;
  background: linear-gradient(135deg, transparent 0 57%, rgba(255, 90, 0, .055) 57% 100%), var(--image-light);
}
.img-sensor-net::before, .img-sensor-net::after { content: none; }
.sensor-net-card-graphic { display: block; width: 100%; height: 100%; min-height: 234px; }
.sensor-net-grid { fill: none; stroke: var(--line); stroke-width: 1; opacity: .7; }
.sensor-net-routes { fill: none; stroke: var(--image-dark); stroke-width: 8; opacity: .88; }
.sensor-net-routes path:nth-child(2) { stroke-width: 3; opacity: .44; }
.sensor-net-routes path:nth-child(3) { stroke-width: 2; stroke-dasharray: 10 9; opacity: .42; }
.sensor-net-links { fill: none; stroke: var(--copper); stroke-width: 1.5; stroke-dasharray: 8 7; opacity: .8; }
.sensor-net-node { fill: var(--paper); stroke: var(--image-dark); stroke-width: 2; }
.sensor-net-node circle:last-child { fill: var(--image-dark); stroke: none; }
.sensor-net-node.node-live { fill: var(--paper); stroke: var(--copper); }
.sensor-net-node.node-live .node-ring { fill: none; stroke-width: 1.2; opacity: .65; }
.sensor-net-node.node-live circle:last-child { fill: var(--copper); }
.sensor-net-caption { fill: var(--muted); font-family: var(--font-technical); font-size: 11px; font-weight: 300; letter-spacing: .12em; }
.active-project-badge {
  position: absolute;
  top: 17px;
  right: 17px;
  z-index: 2;
  padding: 7px 9px 6px;
  border: 1px solid var(--copper);
  color: var(--copper);
  background: color-mix(in srgb, var(--paper) 90%, transparent);
  font-family: var(--font-technical);
  font-size: 9px;
  font-weight: 300;
  letter-spacing: .1em;
  text-transform: uppercase;
}
.active-project:hover, .active-project:focus-visible { background: var(--panel-soft); outline: none; }
.active-project:hover .sensor-net-links, .active-project:focus-visible .sensor-net-links { stroke-width: 2.2; opacity: 1; }
.active-project:focus-visible { box-shadow: inset 0 0 0 2px var(--copper); }
:root[data-theme="dark"] .sensor-net-routes { stroke: var(--inverse-muted); }
:root[data-theme="dark"] .sensor-net-node { fill: var(--paper); stroke: var(--inverse-muted); }
:root[data-theme="dark"] .sensor-net-node circle:last-child { fill: var(--inverse-muted); }
:root[data-theme="dark"] .sensor-net-node.node-live,
:root[data-theme="dark"] .sensor-net-node.node-live .node-ring { stroke: var(--copper); }
:root[data-theme="dark"] .sensor-net-node.node-live circle:last-child { fill: var(--copper); }
@media (max-width: 1080px) { .active-project { grid-column: span 2; } }
@media (max-width: 720px) {
  .active-project { grid-column: auto; }
  .active-project .project-meta::after { position: static; display: block; margin-top: 14px; }
}