:root {
  color-scheme: dark;
  --ink: #f2f7fa;
  --muted: #a4b7c6;
  --accent: #5de6dd;
  --gold: #f0d285;
  --surface: #0d1c27;
  --line: #29404e;
  --background: #07121b;
}

* {
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
  scroll-padding-top: 8rem;
}
body.network-page {
  margin: 0;
  background: var(--background);
  color: var(--ink);
  font-family: "Lexend", system-ui, sans-serif;
  line-height: 1.65;
}
.network-page a {
  color: inherit;
  text-decoration: none;
}
.network-page button {
  font: inherit;
}
.network-page h1,
.network-page h2,
.network-page h3,
.network-page p,
.network-page figure {
  margin: 0;
}
.network-page h1,
.network-page h2,
.network-page h3 {
  line-height: 1.12;
  font-weight: 600;
}
.network-page h2 {
  font-size: clamp(2rem, 4vw, 3.25rem);
  letter-spacing: -0.035em;
}
.network-page h3 {
  font-size: 1.4rem;
  letter-spacing: -0.025em;
}
.network-page p {
  color: var(--muted);
}
.network-page a,
.network-page button {
  -webkit-tap-highlight-color: transparent;
}
.network-page :focus-visible {
  outline: 3px solid var(--gold);
  outline-offset: 5px;
}
.network-page [hidden] {
  display: none !important;
}
.container {
  width: min(100% - 3rem, 1200px);
  margin-inline: auto;
}
.text-accent {
  color: var(--accent);
}
.skip-link {
  position: fixed;
  left: 1rem;
  top: 1rem;
  transform: translateY(-200%);
  padding: 0.8rem 1rem;
  background: var(--gold);
  color: #07121b !important;
  z-index: 100;
  border-radius: 0.5rem;
}
.skip-link:focus {
  transform: none;
}
.site-header {
  border-bottom: 1px solid var(--line);
  background: #07121bf5;
  position: sticky;
  top: 0;
  z-index: 20;
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  min-height: 92px;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 1.3rem;
  font-weight: 600;
  letter-spacing: -0.055em;
  white-space: nowrap;
}
.brand-mark {
  display: grid;
  place-items: center;
  width: 36px;
  height: 36px;
  border: 1px solid var(--accent);
  border-radius: 50%;
  color: var(--accent);
  font-size: 1.65rem;
  font-style: italic;
}
.site-nav {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 1.65rem;
  font-size: 0.875rem;
}
.site-nav a {
  color: var(--muted);
  padding-block: 0.65rem;
}
.site-nav a:hover,
.site-nav a[aria-current="page"] {
  color: var(--accent);
}
.button {
  display: inline-flex;
  justify-content: center;
  align-items: center;
  gap: 1.2rem;
  min-height: 52px;
  padding: 0.9rem 1.25rem;
  background: var(--accent);
  border: 1px solid var(--accent);
  border-radius: 6px;
  color: #07121b !important;
  font-size: 0.9375rem;
  font-weight: 600;
  line-height: 1.4;
  transition:
    background 180ms,
    transform 180ms;
}
.button:hover {
  background: #9ef4e9;
  transform: translateY(-2px);
}
.button-small {
  min-height: 44px;
  padding: 0.6rem 0.9rem;
  font-size: 0.875rem;
}
.button-outline {
  background: transparent;
  border-color: #536c7d;
  color: var(--ink) !important;
}
.button-outline:hover {
  background: var(--surface);
}
.eyebrow {
  color: var(--accent) !important;
  font-size: 0.8125rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}
.hero {
  display: grid;
  grid-template-columns: 1.03fr 1fr;
  align-items: center;
  gap: 1rem;
  padding-block: 5.5rem 4rem;
}
.hero-copy {
  position: relative;
  z-index: 1;
}
.hero h1 {
  font-size: clamp(2.9rem, 5.3vw, 4.4rem);
  letter-spacing: -0.055em;
  margin: 1.6rem 0;
}
.hero-description {
  max-width: 33rem;
  font-size: 1.075rem;
  line-height: 1.8;
}
.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 2rem;
}
.hero-footnote {
  font-size: 0.8125rem;
  margin-top: 1.4rem !important;
  letter-spacing: 0.02em;
}
.network-visual {
  min-width: 0;
}
.scene-stage {
  aspect-ratio: 1.08;
  position: relative;
  background: radial-gradient(ellipse, #12555655, transparent 68%);
}
#network-canvas {
  width: 100%;
  height: 100%;
  display: block;
  opacity: 0;
  transition: opacity 350ms;
  touch-action: pan-y;
}
.scene-ready #network-canvas {
  opacity: 1;
}
.scene-fallback {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 0.7rem;
  color: var(--muted);
}
.scene-fallback strong {
  color: var(--accent);
  font-size: clamp(4rem, 12vw, 8rem);
  line-height: 1;
  font-weight: 500;
  letter-spacing: -0.07em;
}
.scene-ready .scene-fallback {
  display: none;
}
.scene-label {
  position: absolute;
  font-size: 0.75rem;
  letter-spacing: 0.15em;
  color: var(--muted);
  pointer-events: none;
}
.scene-label-top {
  left: 8%;
  top: 5%;
}
.scene-label-bottom {
  right: 8%;
  bottom: 5%;
  color: var(--gold);
}
.network-visual figcaption {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.65rem;
  margin-top: 1rem;
  font-size: 0.8125rem;
  color: var(--muted);
}
.scene-controls {
  display: flex;
  gap: 0.5rem;
}
.scene-controls button {
  border: 1px solid var(--line);
  background: var(--surface);
  color: var(--ink);
  border-radius: 4px;
  font-size: 0.8125rem;
  padding: 0.5rem 0.7rem;
  min-height: 44px;
  cursor: pointer;
}
.scene-controls button:hover {
  border-color: var(--accent);
}
.principles {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-block: 1px solid var(--line);
  padding-block: 1.5rem;
  font-size: 0.875rem;
  gap: 1rem;
}
.principles span {
  display: flex;
  align-items: baseline;
  gap: 1rem;
}
.principles b {
  color: var(--accent);
  font-weight: 400;
  font-size: 0.75rem;
}
.section {
  padding-block: 6rem;
}
.section-heading {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 2rem;
  margin-bottom: 2.5rem;
  scroll-margin-top: 8rem;
}
.section-heading h2,
.community-section h2,
.welcome-section h2 {
  margin-top: 0.9rem;
}
.text-link {
  color: var(--accent) !important;
  display: inline-flex;
  gap: 1rem;
  align-items: center;
  min-height: 44px;
  font-size: 0.9375rem;
}
.text-link:hover {
  text-decoration: underline;
  text-underline-offset: 0.3rem;
}
.section-description {
  max-width: 25rem;
}
.guide-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1.2rem;
  perspective: 1400px;
}
.depth-card {
  display: block;
  position: relative;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: linear-gradient(145deg, #112632, #0b1923);
  box-shadow:
    0 7px 0 #040d14,
    0 8px 0 #233643,
    0 16px 30px #0003;
  transition:
    transform 220ms,
    border-color 220ms,
    box-shadow 220ms;
  transform-style: preserve-3d;
}
.depth-card:hover,
.depth-card:focus-visible {
  border-color: var(--accent);
  transform: translateY(-5px) rotateX(2deg);
  box-shadow:
    0 9px 0 #040d14,
    0 10px 0 #355361,
    0 20px 35px #0005;
}
.guide-card {
  padding: 2rem;
  display: flex;
  flex-direction: column;
  min-height: 305px;
}
.card-number {
  color: var(--accent);
  font-size: 0.8125rem;
}
.guide-card h3 {
  margin-top: 2rem;
  margin-bottom: 1rem;
}
.guide-card p {
  margin-bottom: 1.8rem;
}
.card-action {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-top: auto;
  font-size: 0.875rem;
  font-weight: 500;
}
.ecosystem-section {
  background: #091720;
  border-block: 1px solid var(--line);
}
.ecosystem-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1.2rem;
  perspective: 1400px;
}
.ecosystem-card {
  padding: 1.75rem;
  min-height: 235px;
}
.network-proof-grid {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1.2rem;
}
.card-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  margin-bottom: 2.25rem;
}
.card-top > span:last-child {
  color: var(--muted);
}
.ecosystem-card h3 {
  margin-bottom: 1rem;
}
.ecosystem-card p {
  font-size: 1rem;
}
.ecosystem-featured {
  background: linear-gradient(145deg, #163a40, #0c222b);
  border-color: #417377;
}
.ecosystem-wide {
  grid-column: 1 / -1;
  min-height: 0;
  background: linear-gradient(110deg, #2b2b23, #0d1c27 65%);
}
.ecosystem-wide .card-number {
  color: var(--gold);
}
.ecosystem-wide .card-top {
  margin-bottom: 1rem;
}
.community-section {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 5rem;
  align-items: center;
}
.community-section blockquote {
  margin: 2rem 0 1.5rem;
  padding-left: 1.5rem;
  border-left: 2px solid var(--gold);
  font-size: 1.125rem;
  line-height: 1.7;
  color: var(--gold);
}
.community-links {
  display: grid;
  gap: 1.25rem;
  perspective: 1400px;
}
.community-card {
  padding: 1.5rem 1.75rem;
}
.community-card h3 {
  margin: 0.9rem 0;
}
.community-card .card-action {
  margin-top: 1.5rem;
}
.welcome-section {
  border: 1px solid #417377;
  border-radius: 12px;
  background: #102b32;
  padding: 2.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  margin-bottom: 6rem;
}
.welcome-section h2 {
  font-size: clamp(1.8rem, 3vw, 2.5rem);
}
.welcome-section p:last-child {
  margin-top: 1rem;
  max-width: 37rem;
}
.welcome-section .button {
  flex-shrink: 0;
}
.site-footer {
  border-top: 1px solid var(--line);
  padding-block: 3.5rem 1.5rem;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 0.8fr 0.8fr 1fr;
  gap: 2rem;
}
.footer-grid h2 {
  font-size: 0.875rem;
  letter-spacing: 0;
  margin-bottom: 1rem;
}
.footer-grid p {
  font-size: 0.875rem;
  margin-top: 1rem;
}
.footer-grid nav a {
  display: block;
  padding-block: 0.5rem;
  color: var(--muted);
  font-size: 0.875rem;
}
.footer-grid nav a:hover {
  color: var(--accent);
}
.educational-note {
  font-size: 0.8125rem !important;
}
.donation-address {
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 0.8rem;
  overflow-wrap: anywhere;
  color: var(--accent) !important;
  font-size: 0.875rem !important;
}
.footer-bottom {
  border-top: 1px solid var(--line);
  margin-top: 3rem;
  padding-top: 1.5rem;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
  color: var(--muted);
  font-size: 0.8125rem;
}
.archive-header {
  max-width: 49rem;
  padding-block: 4.5rem 3rem;
}
.archive-header h1 {
  font-size: clamp(2.6rem, 5vw, 4.5rem);
  letter-spacing: -0.055em;
  margin-block: 1rem 1.5rem;
}
.archive-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1.5rem;
  padding-bottom: 5rem;
  perspective: 1400px;
}
.archive-card {
  padding: 2rem;
}
.archive-card h2 {
  font-size: 1.5rem;
  letter-spacing: -0.025em;
  margin-bottom: 1rem;
  line-height: 1.3;
}
.archive-card h2 a:hover {
  color: var(--accent);
}
.archive-card p + p {
  margin-top: 1rem;
  font-size: 0.875rem;
  color: var(--gold);
}
.archive-back {
  border-top: 1px solid var(--line);
  padding-block: 2rem;
}

@media (max-width: 1000px) {
  .header-inner {
    flex-wrap: wrap;
    gap: 0.5rem 1rem;
    padding-block: 1rem;
  }
  .site-nav {
    order: 3;
    width: 100%;
    justify-content: space-between;
    gap: 0.5rem 1rem;
  }
  .hero {
    gap: 0;
    padding-top: 3.5rem;
  }
  .hero h1 {
    font-size: clamp(2.5rem, 5.5vw, 3.6rem);
  }
  .guide-card {
    padding: 1.5rem;
  }
  .ecosystem-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .community-section {
    gap: 2.5rem;
  }
  .welcome-section {
    flex-direction: column;
    align-items: flex-start;
  }
  .footer-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}
@media (max-width: 700px) {
  html {
    scroll-padding-top: 10rem;
  }
  .container {
    width: min(100% - 2rem, 1200px);
  }
  .site-header {
    position: relative;
  }
  .site-nav {
    justify-content: flex-start;
    column-gap: 1.25rem;
  }
  .site-nav a {
    min-height: 44px;
  }
  .hero {
    grid-template-columns: 1fr;
    padding-block: 3rem 2rem;
  }
  .hero h1 {
    font-size: clamp(2.5rem, 9vw, 3.9rem);
  }
  .hero-description {
    font-size: 1rem;
  }
  .network-visual {
    margin-top: 2.5rem !important;
  }
  .scene-stage {
    max-width: 470px;
    margin-inline: auto;
  }
  .network-visual figcaption {
    justify-content: center;
  }
  .principles {
    grid-template-columns: 1fr;
    padding-block: 1.25rem;
  }
  .section {
    padding-block: 3.5rem;
  }
  .section-heading {
    align-items: flex-start;
    flex-direction: column;
    gap: 1rem;
  }
  .guide-grid,
  .ecosystem-grid,
  .network-proof-grid,
  .community-section,
  .archive-grid {
    grid-template-columns: 1fr;
  }
  .guide-card {
    min-height: 0;
    padding: 1.75rem;
  }
  .guide-card h3 {
    margin-top: 1.4rem;
  }
  .community-section {
    gap: 2rem;
  }
  .welcome-section {
    padding: 1.75rem;
    margin-bottom: 3.5rem;
  }
  .archive-header {
    padding-top: 3rem;
  }
}
@media (max-width: 380px) {
  .brand {
    font-size: 1.15rem;
  }
  .brand-mark {
    display: none;
  }
  .hero-actions {
    flex-direction: column;
    align-items: stretch;
  }
  .footer-grid {
    grid-template-columns: 1fr;
  }
  .archive-card {
    padding: 1.5rem;
  }
}
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  .network-page *,
  .network-page *::before,
  .network-page *::after {
    animation: none !important;
    transition: none !important;
  }
  .depth-card:hover,
  .depth-card:focus-visible,
  .button:hover {
    transform: none;
  }
}
@media (hover: none) {
  .depth-card:hover,
  .button:hover {
    transform: none;
  }
}
@media (forced-colors: active) {
  .depth-card,
  .button {
    border: 1px solid ButtonText;
  }
  #network-canvas,
  .scene-controls {
    display: none;
  }
  .scene-ready .scene-fallback {
    display: flex;
  }
}