:root {
  --bg: #0d1110;
  --bg-alt: #121816;
  --panel: rgba(18, 24, 22, 0.82);
  --panel-strong: #161d1a;
  --line: rgba(182, 202, 188, 0.18);
  --text: #edf2ea;
  --muted: #a2b0a7;
  --accent: #b7ff6a;
  --accent-dim: rgba(183, 255, 106, 0.12);
  --warning: #f1d18b;
  --shadow: 0 24px 60px rgba(0, 0, 0, 0.36);
  --radius: 24px;
  --radius-sm: 16px;
  --content-width: 1180px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  background:
    radial-gradient(circle at top left, rgba(183, 255, 106, 0.08), transparent 22rem),
    linear-gradient(180deg, #111715 0%, #0d1110 40%, #101513 100%);
  color: var(--text);
  font-family: "IBM Plex Sans", sans-serif;
  line-height: 1.6;
}

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

img {
  max-width: 100%;
}

.page-shell {
  position: relative;
  overflow-x: hidden;
}

.page-shell::before,
.page-shell::after {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: -2;
}

.page-shell::before {
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
  background-size: 5rem 5rem;
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.8), transparent 85%);
}

.page-shell::after {
  background: linear-gradient(180deg, transparent 0%, rgba(0, 0, 0, 0.24) 100%);
}

.noise {
  position: fixed;
  inset: 0;
  z-index: -1;
  opacity: 0.055;
  pointer-events: none;
  background-image:
    radial-gradient(circle at 20% 20%, rgba(255, 255, 255, 0.4) 0 1px, transparent 1px),
    radial-gradient(circle at 80% 30%, rgba(255, 255, 255, 0.28) 0 1px, transparent 1px),
    radial-gradient(circle at 50% 70%, rgba(255, 255, 255, 0.32) 0 1px, transparent 1px);
  background-size: 180px 180px;
}

.site-header,
.site-footer,
main,
.paper-layout {
  width: min(calc(100% - 2.5rem), var(--content-width));
  margin: 0 auto;
}

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  padding: 1.4rem 0 0.8rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.9rem;
}

.brand-mark {
  display: inline-grid;
  place-items: center;
  width: 2.75rem;
  height: 2.75rem;
  border: 1px solid var(--line);
  border-radius: 0.9rem;
  background: rgba(255, 255, 255, 0.03);
  color: var(--accent);
  font-family: "Space Grotesk", sans-serif;
  font-size: 1.2rem;
}

.brand-copy {
  display: flex;
  flex-direction: column;
  line-height: 1.15;
}

.brand-copy strong {
  font-size: 1rem;
  font-family: "Space Grotesk", sans-serif;
  letter-spacing: -0.02em;
}

.brand-copy span:last-child {
  color: var(--muted);
  font-size: 0.88rem;
}

.site-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  color: var(--muted);
  font-size: 0.94rem;
}

.site-nav a:hover,
.site-nav a:focus-visible,
.site-footer a:hover,
.site-footer a:focus-visible {
  color: var(--text);
}

main {
  padding: 1rem 0 4rem;
}

.section-grid,
.paper-section,
.paper-hero {
  border-top: 1px solid var(--line);
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(20rem, 0.72fr);
  gap: 2rem;
  align-items: stretch;
  padding: 4.5rem 0 4rem;
  border-top: 1px solid var(--line);
}

.hero-headline {
  grid-column: 1 / -1;
  max-width: 60rem;
}

.hero-headline h1 span {
  display: block;
}

.hero-copy h1,
.paper-hero h1 {
  margin: 0;
  font-family: "Space Grotesk", sans-serif;
  font-size: clamp(3.4rem, 9vw, 6.5rem);
  line-height: 0.94;
  letter-spacing: -0.06em;
  max-width: none;
  text-wrap: balance;
}

.eyebrow,
.section-label {
  margin: 0 0 1rem;
  color: var(--accent);
  font-size: 0.82rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.18em;
}

.lede {
  max-width: 43rem;
  margin: 1.5rem 0 0;
  color: #d9e2db;
  font-size: clamp(1.05rem, 2vw, 1.35rem);
}

.hero-panel,
.feature-card,
.status-card,
.sector-card,
.timeline-item,
.paper-card,
.rules-board,
.paper-note {
  background: var(--panel);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
  backdrop-filter: blur(10px);
}

.hero-panel {
  padding: 1.3rem;
  border-radius: var(--radius);
}

.panel-header,
.rule-row,
.panel-metrics {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
}

.panel-header {
  color: var(--muted);
  font-size: 0.84rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.diagram-flow {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
  margin: 1.5rem 0;
}

.diagram-flow span {
  display: inline-flex;
  align-items: center;
  padding: 0.55rem 0.85rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.03);
  color: var(--text);
}

.diagram-core strong {
  display: block;
  padding: 0.7rem 0;
  border-bottom: 1px solid var(--line);
}

.lane-label {
  display: block;
  margin-bottom: 0.55rem;
  color: var(--warning);
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
}

.diagram-lanes {
  margin-bottom: 1.2rem;
}

.diagram-core {
  display: grid;
}

.diagram-core strong {
  font-size: 0.98rem;
}

.diagram-core strong:last-child {
  border-bottom: 0;
}

.panel-metrics {
  flex-direction: column;
}

.panel-metrics div {
  display: grid;
  grid-template-columns: 10rem 1fr;
  gap: 1rem;
  padding-top: 0.85rem;
  border-top: 1px solid var(--line);
}

.panel-metrics dt {
  color: var(--muted);
}

.panel-metrics dd {
  margin: 0;
}

.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.9rem;
  margin: 2.4rem 0 0;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 3rem;
  padding: 0.8rem 1.25rem;
  border-radius: 999px;
  border: 1px solid transparent;
  font-weight: 600;
  transition:
    transform 180ms ease,
    border-color 180ms ease,
    background-color 180ms ease;
}

.button:hover,
.button:focus-visible {
  transform: translateY(-1px);
}

.button-primary {
  background: var(--accent);
  color: #0a0f0d;
}

.button-secondary {
  border-color: var(--line);
  background: rgba(255, 255, 255, 0.03);
}

.signal-list,
.paper-list {
  margin: 2rem 0 0;
  padding: 0;
  list-style: none;
}

.signal-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
}

.signal-list li,
.paper-list li {
  position: relative;
}

.signal-list li {
  padding: 0.6rem 0.9rem 0.6rem 1.6rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--muted);
  background: rgba(255, 255, 255, 0.03);
}

.signal-list li::before,
.paper-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.85rem;
  width: 0.48rem;
  height: 0.48rem;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 18px rgba(183, 255, 106, 0.4);
}

.signal-list li::before {
  left: 0.7rem;
  top: 50%;
  transform: translateY(-50%);
}

.section-grid {
  display: grid;
  grid-template-columns: 18rem minmax(0, 1fr);
  gap: 1.5rem 2rem;
  padding: 3.5rem 0;
}

.section-band {
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.014), rgba(255, 255, 255, 0));
}

.section-intro h2,
.paper-section h2 {
  margin: 0;
  font-family: "Space Grotesk", sans-serif;
  font-size: clamp(1.8rem, 4vw, 3rem);
  line-height: 1;
  letter-spacing: -0.05em;
}

.section-copy {
  max-width: 47rem;
}

.section-copy p,
.paper-section p,
.paper-card p,
.feature-card p,
.sector-card p,
.status-card p,
.timeline-item p {
  margin-top: 0;
  color: var(--muted);
}

.card-grid,
.status-grid,
.sector-grid,
.paper-grid {
  grid-column: 2;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
}

.sector-grid,
.status-grid,
.paper-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.feature-card,
.status-card,
.sector-card,
.paper-card {
  padding: 1.25rem;
  border-radius: var(--radius-sm);
}

.feature-card h3,
.timeline-item h3,
.paper-card h3 {
  margin: 0 0 0.7rem;
  font-size: 1.05rem;
}

.timeline {
  grid-column: 2;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1rem;
}

.timeline-item {
  padding: 1.2rem;
  border-radius: var(--radius-sm);
}

.timeline-item span {
  display: inline-block;
  margin-bottom: 1rem;
  color: var(--accent);
  font-family: "Space Grotesk", sans-serif;
  font-size: 1.25rem;
}

.rules-board {
  grid-column: 2;
  border-radius: var(--radius);
  overflow: hidden;
}

.rule-row {
  padding: 1rem 1.2rem;
  align-items: flex-start;
}

.rule-row + .rule-row {
  border-top: 1px solid var(--line);
}

.rule-row strong {
  width: 13rem;
  color: var(--warning);
  flex: 0 0 auto;
}

.sector-card span,
.status-card span {
  display: block;
  margin-bottom: 0.6rem;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--accent);
}

.final-cta {
  padding-bottom: 2rem;
}

.contact-line {
  padding-top: 2.8rem;
  color: var(--muted);
}

.contact-line a {
  color: var(--text);
  border-bottom: 1px solid rgba(183, 255, 106, 0.35);
}

.contact-line p {
  margin: 0;
}

.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 2rem;
  align-items: flex-start;
  padding: 2rem 0 3rem;
  color: var(--muted);
  border-top: 1px solid var(--line);
}

.site-footer p {
  max-width: 28rem;
  margin: 0.45rem 0 0;
}

.footer-brand {
  max-width: 32rem;
}

.footer-kicker {
  margin: 0;
  color: var(--accent);
  font-size: 0.78rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.14em;
}

.footer-title {
  margin-top: 0.35rem;
  color: var(--text);
  font-family: "Space Grotesk", sans-serif;
  font-size: 1.2rem;
  letter-spacing: -0.03em;
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(10rem, 1fr));
  gap: 1rem 2rem;
}

.footer-column span {
  display: block;
  margin-bottom: 0.55rem;
  color: var(--warning);
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
}

.footer-column nav,
.footer-column .footer-links {
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
}

.footer-meta {
  margin-top: 1.2rem;
  font-size: 0.92rem;
}

.footer-note {
  margin-top: 1.2rem;
  max-width: 25rem;
  font-size: 0.92rem;
}

.page-shell-paper main,
.paper-layout {
  padding: 1rem 0 4rem;
}

.paper-layout {
  max-width: 54rem;
}

.paper-hero {
  padding: 4rem 0 2.5rem;
}

.paper-note {
  margin-top: 1.5rem;
  padding: 1rem 1.1rem;
  border-radius: var(--radius-sm);
  color: var(--warning);
}

.paper-section {
  padding: 2.2rem 0;
}

.paper-grid {
  margin-top: 1.5rem;
}

.paper-list {
  margin-top: 1rem;
}

.paper-list li {
  margin: 0 0 1rem;
  padding-left: 1.2rem;
  color: var(--muted);
}

.paper-list li::before {
  top: 0.7rem;
}

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

@media (max-width: 960px) {
  .hero,
  .section-grid,
  .timeline,
  .card-grid,
  .status-grid,
  .sector-grid,
  .paper-grid,
  .site-footer {
    grid-template-columns: 1fr;
  }

  .section-intro,
  .section-copy,
  .timeline,
  .card-grid,
  .status-grid,
  .sector-grid,
  .rules-board {
    grid-column: auto;
  }

  .hero-panel {
    order: -1;
  }

  .hero-headline {
    max-width: 100%;
  }

  .panel-metrics div,
  .rule-row {
    grid-template-columns: 1fr;
    display: block;
  }

  .rule-row strong {
    display: block;
    width: auto;
    margin-bottom: 0.5rem;
  }

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

  .footer-grid {
    width: 100%;
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  .site-header,
  .site-footer,
  main,
  .paper-layout {
    width: min(calc(100% - 1.35rem), var(--content-width));
  }

  .hero {
    padding-top: 3rem;
  }

  .hero-copy h1,
  .paper-hero h1 {
    max-width: 100%;
    font-size: clamp(2.6rem, 14vw, 4.4rem);
  }

  .button {
    width: 100%;
  }

  .cta-row {
    width: 100%;
  }

  .signal-list {
    flex-direction: column;
  }
}