:root {
  --home-hero-min-height: 690px;
  --home-visual-size: 610px;
  --home-platform-icon-size: 48px;
  --home-tab-width: 330px;
  --home-node-flash-duration: 6s;
  --home-stage-gap: clamp(28px, 5vw, 72px);
}

.home-hero {
  padding-top: 8px;
  padding-bottom: 28px;
}

.hero-stage {
  display: grid;
  min-height: var(--home-hero-min-height);
  grid-template-columns: minmax(0, 1.05fr) minmax(420px, 0.95fr);
  align-items: center;
  gap: var(--home-stage-gap);
  padding: clamp(34px, 5vw, 68px);
  overflow: hidden;
  border-radius: var(--radius-hero);
  background: var(--color-dark);
  color: var(--color-on-dark);
  box-shadow: var(--shadow-hero);
}

.hero-copy {
  position: relative;
  z-index: 2;
}

.hero-copy h1 {
  max-width: 660px;
  margin-bottom: 20px;
  color: var(--color-on-dark);
}

.hero-kicker {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  margin-bottom: 18px;
  color: var(--color-on-dark-muted);
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.04em;
}

.hero-kicker > span {
  width: 8px;
  height: 8px;
  flex-shrink: 0;
  border-radius: var(--radius-pill);
  background: var(--color-accent);
}

.hero-buttons {
  margin-bottom: 22px;
}

.hero-intro {
  max-width: 620px;
  margin-bottom: 20px;
  color: var(--color-on-dark-muted);
  font-size: 17px;
}

.hero-intro strong {
  color: var(--color-on-dark);
}

.hero-facts {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 26px;
}

.hero-facts span {
  display: inline-flex;
  min-height: 30px;
  max-width: 100%;
  align-items: center;
  padding: 5px 11px;
  overflow: hidden;
  border: 1px solid var(--color-dark-line);
  border-radius: var(--radius-pill);
  color: var(--color-on-dark-muted);
  font-family: var(--font-mono);
  font-size: 11px;
  white-space: nowrap;
}

.hero-platforms {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 8px;
}

.hero-platforms a {
  display: flex;
  min-height: 58px;
  min-width: 0;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 9px 8px;
  border: 1px solid var(--color-dark-line);
  border-radius: var(--radius-card);
  color: var(--color-on-dark-muted);
  font-size: 12px;
  font-weight: 700;
  transition: border-color var(--transition-fast), color var(--transition-fast), background-color var(--transition-fast);
}

.hero-platforms a:hover {
  border-color: var(--color-accent-strong);
  background: var(--color-dark-raised);
  color: var(--color-on-dark);
}

.hero-platforms svg {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
}

.hero-platforms a:last-child svg {
  width: 17px;
  height: 20px;
}

.hero-visual {
  position: relative;
  display: grid;
  width: min(100%, var(--home-visual-size));
  aspect-ratio: 1 / 1;
  place-items: center;
  justify-self: center;
}

.hero-visual::before,
.hero-visual::after {
  position: absolute;
  border: 1px solid var(--color-dark-line);
  border-radius: var(--radius-pill);
  content: "";
}

.hero-visual::before {
  width: 74%;
  height: 74%;
}

.hero-visual::after {
  width: 48%;
  height: 48%;
}

.constellation {
  position: relative;
  z-index: 1;
  width: 100%;
  height: 100%;
  overflow: visible;
}

.constellation-lines {
  fill: none;
  stroke: var(--color-accent-soft);
  stroke-width: 1;
}

.constellation-dots-far {
  fill: var(--color-accent-medium);
}

.constellation-dots-near {
  fill: var(--color-node-core);
  opacity: 0.78;
}

.main-link {
  fill: none;
  stroke: var(--color-accent-strong);
  stroke-width: 2;
}

.main-node text {
  fill: var(--color-on-dark-muted);
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.08em;
}

.main-node-halo {
  fill: var(--color-accent-wash);
}

.main-node-base {
  fill: var(--color-node-core);
  filter: drop-shadow(0 0 10px var(--color-accent));
}

.main-node-flash {
  fill: var(--color-cta);
  opacity: 0;
  transform-box: fill-box;
  transform-origin: center;
  animation: home-node-flash var(--home-node-flash-duration) ease-in-out infinite;
}

.main-node-relay .main-node-flash {
  animation-delay: 2s;
}

.main-node-exit .main-node-flash {
  animation-delay: 4s;
}

@keyframes home-node-flash {
  0%,
  8%,
  100% {
    opacity: 0;
    transform: scale(0.72);
  }

  14%,
  24% {
    opacity: 1;
    transform: scale(1.35);
  }

  34% {
    opacity: 0;
    transform: scale(1.7);
  }
}

.hero-status {
  display: flex;
  min-height: 54px;
  align-items: center;
  justify-content: center;
  gap: 10px 24px;
  margin-top: 18px;
  padding: 11px 18px;
  overflow: hidden;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-card);
  background: var(--color-canvas);
  color: var(--color-text-muted);
  box-shadow: 0 1px 2px var(--color-shadow-faint);
  font-family: var(--font-mono);
  font-size: 11px;
}

.hero-status span {
  position: relative;
  white-space: nowrap;
}

.hero-status span + span::before {
  position: absolute;
  top: 50%;
  left: -14px;
  width: 5px;
  height: 5px;
  border-radius: var(--radius-pill);
  background: var(--color-accent);
  content: "";
  transform: translateY(-50%);
}

.home-feature-stage {
  display: grid;
  grid-template-columns: minmax(260px, var(--home-tab-width)) minmax(0, 1fr);
  gap: clamp(28px, 5vw, 64px);
  align-items: start;
}

.home-feature-rail {
  grid-column: 1;
  grid-row: 1;
  margin-left: 0;
}

.home-feature-rail::before {
  top: 30px;
  bottom: 30px;
}

.home-feature-tab {
  width: 100%;
  grid-template-columns: minmax(82px, 104px) minmax(0, 1fr);
  gap: 16px;
  padding-top: 26px;
  padding-bottom: 26px;
  padding-right: 14px;
  background: transparent;
  color: var(--color-text);
  text-align: left;
}

.home-feature-tab::before {
  top: 34px;
}

.home-feature-tab[aria-selected="true"]::before {
  background: var(--color-accent);
  box-shadow: 0 0 0 1px var(--color-accent), 0 0 18px var(--color-accent-halo);
}

.home-feature-tab .feature-copy {
  display: grid;
  gap: 4px;
}

.home-feature-tab .feature-copy strong {
  font-size: 16px;
}

.home-feature-tab .feature-copy small {
  color: var(--color-text-muted);
  font-size: 12px;
}

.home-feature-panel {
  grid-column: 2;
  grid-row: 1;
  min-height: 100%;
  padding: clamp(26px, 4vw, 40px);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-card);
  background: var(--color-panel);
  box-shadow: var(--shadow-card);
}

.home-feature-panel[hidden] {
  display: none;
}

.home-feature-panel p {
  color: var(--color-text-muted);
}

.home-feature-panel .callout {
  margin-top: 26px;
}

.home-platform-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.home-platform-card {
  display: grid;
  min-width: 0;
  grid-template-columns: auto minmax(0, 1fr);
  align-content: start;
  gap: 0 18px;
  padding: clamp(22px, 4vw, 30px);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-card);
  background: var(--color-canvas);
  box-shadow: var(--shadow-card);
}

.home-platform-icon {
  display: grid;
  width: var(--home-platform-icon-size);
  height: var(--home-platform-icon-size);
  grid-column: 1;
  grid-row: 1 / span 4;
  place-items: center;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-card);
  background: var(--color-panel);
  color: var(--color-accent-deep);
}

.home-platform-icon svg {
  width: 23px;
  height: 23px;
}

.home-platform-card:nth-child(4) .home-platform-icon svg {
  width: 21px;
  height: 25px;
}

.home-platform-card .card-mark,
.home-platform-card h3,
.home-platform-card p,
.home-platform-card .button {
  grid-column: 2;
}

.home-platform-card .card-mark {
  margin-bottom: 8px;
}

.home-platform-card h3 {
  font-size: 21px;
}

.home-platform-card p {
  color: var(--color-text-muted);
}

.home-platform-card .button {
  justify-self: start;
  margin-top: 4px;
}

.home-section-link {
  margin-top: 28px;
  text-align: right;
}

.ecosystem-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(340px, 0.9fr);
  gap: 24px;
  align-items: start;
}

.ecosystem-lead {
  padding: clamp(26px, 4vw, 40px);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-card);
  background: var(--color-panel);
}

.ecosystem-lead p {
  color: var(--color-text-muted);
  font-size: 16px;
}

.ecosystem-notes {
  display: grid;
  gap: 14px;
}

.ecosystem-notes .card {
  background: var(--color-canvas);
}

.ecosystem-notes .card h3 {
  font-size: 19px;
}

.ecosystem-notes .card p {
  margin-bottom: 0;
  color: var(--color-text-muted);
}

.trust-client-list {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin-top: 30px;
  border-top: 1px solid var(--color-line);
  border-bottom: 1px solid var(--color-line);
}

.trust-client-list article {
  min-width: 0;
  padding: 28px;
}

.trust-client-list article + article {
  border-left: 1px solid var(--color-line);
}

.trust-client-list span {
  display: inline-flex;
  margin-bottom: 14px;
  color: var(--color-accent-deep);
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 800;
}

.trust-client-list h3 {
  font-size: 19px;
}

.trust-client-list p {
  margin-bottom: 0;
  color: var(--color-text-muted);
}

#latest-guides .article-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

@media (max-width: 1080px) {
  .hero-stage {
    grid-template-columns: minmax(0, 0.9fr) minmax(390px, 1.1fr);
    padding-inline: clamp(28px, 4vw, 48px);
  }

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

  #latest-guides .article-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  #latest-guides .article-card:last-child {
    grid-column: 1 / -1;
  }
}

@media (max-width: 900px) {
  .hero-stage {
    min-height: auto;
    grid-template-columns: minmax(0, 1fr);
  }

  .hero-copy {
    grid-row: 1;
  }

  .hero-visual {
    width: min(76vw, 520px);
    grid-row: 2;
    margin-top: -26px;
    margin-bottom: -40px;
  }

  .hero-platforms {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .hero-status {
    justify-content: flex-start;
    overflow-x: auto;
  }

  .home-feature-stage {
    grid-template-columns: minmax(230px, 280px) minmax(0, 1fr);
    gap: 24px;
  }

  .home-feature-tab {
    grid-template-columns: minmax(0, 1fr);
    gap: 6px;
  }

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

  .trust-client-list {
    grid-template-columns: minmax(0, 1fr);
  }

  .trust-client-list article + article {
    border-top: 1px solid var(--color-line);
    border-left: 0;
  }
}

@media (max-width: 768px) {
  .home-hero {
    padding-top: 4px;
    padding-bottom: 18px;
  }

  .hero-stage {
    gap: 20px;
    padding: 28px 24px;
    border-radius: var(--radius-card);
  }

  .hero-copy h1 {
    font-size: clamp(26px, 7.5vw, 30px);
  }

  .hero-intro {
    font-size: 15px;
  }

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

  .hero-visual {
    width: min(92vw, 460px);
    margin-top: -34px;
    margin-bottom: -58px;
  }

  .hero-status {
    margin-top: 12px;
  }

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

  .home-feature-rail {
    grid-column: 1;
    grid-row: 1;
  }

  .home-feature-tab {
    grid-template-columns: minmax(82px, 104px) minmax(0, 1fr);
  }

  .home-feature-panel {
    grid-column: 1;
    grid-row: 2;
  }

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

  #latest-guides .article-grid {
    grid-template-columns: minmax(0, 1fr);
  }

  #latest-guides .article-card:last-child {
    grid-column: auto;
  }
}

@media (max-width: 520px) {
  .hero-stage {
    padding-inline: 20px;
  }

  .hero-facts {
    margin-bottom: 20px;
  }

  .hero-platforms a {
    min-height: 50px;
  }

  .hero-visual {
    width: 116%;
    max-width: none;
    justify-self: center;
  }

  .hero-status {
    padding-inline: 14px;
  }

  .home-feature-tab {
    grid-template-columns: minmax(72px, 88px) minmax(0, 1fr);
    padding-left: 34px;
  }

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

  .home-platform-icon {
    grid-column: 1;
    grid-row: auto;
    margin-bottom: 16px;
  }

  .home-platform-card .card-mark,
  .home-platform-card h3,
  .home-platform-card p,
  .home-platform-card .button {
    grid-column: 1;
  }

  .home-platform-card .button {
    width: 100%;
  }

  .home-section-link {
    text-align: left;
  }
}

@media (prefers-reduced-motion: reduce) {
  .main-node-flash {
    animation: none;
    opacity: 0.75;
    transform: none;
  }
}