:root {
  color-scheme: dark;
  --bg: #0a0f18;
  --bg-raised: #101724;
  --ink: #f1f4f8;
  --muted: #a6b0bf;
  --line: rgba(214, 224, 238, 0.16);
  --amber: #f2b95c;
  --amber-soft: rgba(242, 185, 92, 0.12);
  --teal: #6fd6d0;
  --max: 1240px;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: "Segoe UI", "Helvetica Neue", Arial, sans-serif;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

img,
video {
  max-width: 100%;
  height: auto;
  display: block;
}

.skip-link {
  position: fixed;
  z-index: 100;
  left: 1rem;
  top: 1rem;
  transform: translateY(-180%);
  padding: 0.75rem 1rem;
  background: var(--ink);
  color: var(--bg);
  border-radius: 0.25rem;
}

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

.site-header,
main,
.footer-inner {
  width: min(calc(100% - 2rem), var(--max));
  margin: 0 auto;
}

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.1rem 0;
  border-bottom: 1px solid var(--line);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  color: var(--ink);
  text-decoration: none;
  font-weight: 700;
  letter-spacing: 0.24em;
  font-size: 1.05rem;
}

.brand-mark {
  width: 48px;
  height: 48px;
  border-radius: 10px;
  object-fit: cover;
}

.header-link {
  color: var(--muted);
  text-decoration: none;
  font-size: 0.95rem;
}

.header-link:hover {
  color: var(--ink);
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr);
  gap: 3rem;
  padding: 4rem 0 3rem;
  align-items: center;
}

.eyebrow {
  margin: 0 0 0.75rem;
  color: var(--amber);
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.hero h1 {
  margin: 0 0 1.25rem;
  font-size: clamp(2rem, 4.4vw, 3.1rem);
  line-height: 1.12;
  letter-spacing: -0.015em;
}

.hero-summary {
  margin: 0 0 1.75rem;
  color: var(--muted);
  font-size: 1.08rem;
  max-width: 34rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.9rem;
  margin-bottom: 1.5rem;
}

.button {
  display: inline-block;
  padding: 0.8rem 1.5rem;
  border-radius: 999px;
  border: 1px solid transparent;
  font-weight: 600;
  text-decoration: none;
  font-size: 0.98rem;
}

.button:focus-visible,
.header-link:focus-visible,
.brand:focus-visible,
.footer-links a:focus-visible {
  outline: 3px solid var(--amber);
  outline-offset: 3px;
}

.button-primary {
  background: var(--amber);
  color: #17110a;
}

.button-primary:hover {
  filter: brightness(1.06);
}

.button-secondary {
  border-color: var(--line);
  color: var(--ink);
}

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

.truth-label {
  color: var(--amber);
  font-size: 0.92rem;
  margin: 0;
}

.hero-visual {
  display: grid;
  gap: 1.25rem;
}

.shell-frame,
.ecosystem-visual {
  margin: 0;
  position: relative;
  border-radius: 18px;
  overflow: hidden;
  border: 1px solid var(--line);
  background: var(--bg-raised);
}

.shell-frame::after,
.ecosystem-visual::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  box-shadow: inset 0 0 80px rgba(5, 8, 14, 0.55);
}

.shell-frame img,
.ecosystem-visual img {
  width: 100%;
  height: auto;
}

.ecosystem-visual figcaption {
  padding: 0.7rem 1rem;
  color: var(--muted);
  font-size: 0.88rem;
  border-top: 1px solid var(--line);
}

.chamber-card {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.9rem;
}

.chamber-step {
  display: flex;
  gap: 0.8rem;
  padding: 0.95rem 1rem;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: var(--bg-raised);
  align-items: flex-start;
}

.chamber-step strong {
  display: block;
  margin-bottom: 0.15rem;
}

.chamber-step span:last-child {
  color: var(--muted);
  font-size: 0.9rem;
  line-height: 1.45;
}

.step-number {
  color: var(--amber);
  font-weight: 700;
  font-size: 0.9rem;
  letter-spacing: 0.08em;
}

.section {
  padding: 3.5rem 0;
  border-top: 1px solid var(--line);
}

.section h2 {
  margin: 0 0 0.9rem;
  font-size: clamp(1.5rem, 3vw, 2.2rem);
  line-height: 1.2;
  letter-spacing: -0.01em;
  max-width: 46rem;
}

.section-lede {
  margin: 0 0 1.75rem;
  color: var(--muted);
  max-width: 44rem;
}

.film-player {
  width: 100%;
  border-radius: 18px;
  border: 1px solid var(--line);
  background: #000;
}

.film-disclosure {
  margin: 0.9rem 0 0;
  color: var(--muted);
  font-size: 0.88rem;
}

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

.feature-grid article {
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 1.4rem 1.3rem;
  background: var(--bg-raised);
}

.feature-index {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2rem;
  height: 2rem;
  border-radius: 8px;
  background: var(--amber-soft);
  color: var(--amber);
  font-weight: 700;
  margin-bottom: 0.9rem;
}

.feature-grid h3 {
  margin: 0 0 0.5rem;
  font-size: 1.08rem;
}

.feature-grid p {
  margin: 0;
  color: var(--muted);
  font-size: 0.95rem;
}

.ecosystem {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(0, 1fr);
  gap: 2.5rem;
  align-items: start;
}

.ecosystem-lead .ecosystem-visual {
  margin-top: 1.75rem;
}

.ecosystem-copy p {
  margin: 0 0 1.2rem;
  color: var(--muted);
  font-size: 1.02rem;
}

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

.spectrum-grid article {
  border: 1px solid var(--line);
  border-left: 3px solid var(--amber);
  border-radius: 14px;
  padding: 1.4rem 1.3rem;
  background: var(--bg-raised);
}

.spectrum-grid h3 {
  margin: 0 0 0.5rem;
  font-size: 1.06rem;
}

.spectrum-grid p {
  margin: 0;
  color: var(--muted);
  font-size: 0.95rem;
}

.thesis-copy {
  margin: 0;
  color: var(--muted);
  font-size: 1.08rem;
  max-width: 46rem;
}

.bridge-inner {
  display: flex;
  flex-wrap: wrap;
  gap: 2rem;
  align-items: center;
  justify-content: space-between;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: linear-gradient(140deg, var(--bg-raised), rgba(242, 185, 92, 0.06));
  padding: 2rem;
}

.bridge-inner > div {
  max-width: 40rem;
}

.bridge-inner h2 {
  margin-top: 0;
}

.bridge-inner p {
  color: var(--muted);
  margin-bottom: 0;
}

.status-copy p {
  margin: 0 0 1.2rem;
  color: var(--muted);
  max-width: 48rem;
  font-size: 1.02rem;
}

.site-footer {
  border-top: 1px solid var(--line);
  padding: 2.2rem 0 2.6rem;
  margin-top: 2rem;
}

.footer-inner p {
  margin: 0 0 0.9rem;
}

.footer-links {
  display: flex;
  gap: 1.5rem;
  margin-bottom: 0.9rem;
}

.footer-links a {
  color: var(--muted);
  text-decoration: none;
}

.footer-links a:hover {
  color: var(--ink);
}

.footer-fine {
  color: var(--muted);
  font-size: 0.85rem;
}

@media (max-width: 980px) {
  .hero,
  .ecosystem {
    grid-template-columns: minmax(0, 1fr);
    gap: 2rem;
  }

  .feature-grid,
  .spectrum-grid {
    grid-template-columns: minmax(0, 1fr);
  }

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