:root {
  --home-hero-space: 86px;
  --home-orbit-size: 500px;
  --home-feature-sidebar: 430px;
}

.home-hero {
  position: relative;
  padding-top: var(--home-hero-space);
  padding-bottom: var(--home-hero-space);
  background: var(--color-page);
}

.hero-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.02fr) minmax(420px, 0.98fr);
  align-items: center;
  gap: 54px;
}

.hero-copy {
  position: relative;
  z-index: 3;
}

.hero-copy h1 {
  max-width: 680px;
  margin-bottom: 24px;
}

.hero-label {
  display: inline-flex;
  min-height: 32px;
  align-items: center;
  gap: 9px;
  margin-bottom: 18px;
  padding: 5px 13px;
  border: 1px solid var(--color-line-focus);
  border-radius: var(--radius-pill);
  background: var(--color-panel);
  color: var(--color-brand-deep);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.05em;
}

.hero-label span {
  width: 8px;
  height: 8px;
  flex: 0 0 auto;
  border-radius: var(--radius-pill);
  background: var(--gradient-brand);
  box-shadow: 0 0 0 5px var(--color-line-focus);
}

.hero-summary {
  max-width: 650px;
  margin-top: 25px;
  margin-bottom: 18px;
  color: var(--color-ink-muted);
  font-size: 18px;
  line-height: 1.8;
}

.hero-facts {
  display: flex;
  gap: 9px;
  margin-bottom: 20px;
  flex-wrap: wrap;
}

.hero-facts span {
  display: inline-flex;
  min-height: 30px;
  max-width: 100%;
  align-items: center;
  padding: 4px 11px;
  overflow: hidden;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-pill);
  background: var(--color-panel);
  color: var(--color-ink-muted);
  font-size: 12px;
  font-weight: 650;
}

.orbit-visual {
  position: relative;
  min-height: 570px;
  isolation: isolate;
}

.orbit-stripes {
  position: absolute;
  top: 8px;
  right: -42px;
  width: 510px;
  height: 550px;
  background: linear-gradient(118deg, var(--color-stripe-a), var(--color-stripe-b));
  opacity: 0.55;
  -webkit-mask-image: repeating-linear-gradient(90deg, var(--color-ink) 0 1px, transparent 1px 8px), radial-gradient(closest-side, var(--color-ink), transparent);
  mask-image: repeating-linear-gradient(90deg, var(--color-ink) 0 1px, transparent 1px 8px), radial-gradient(closest-side, var(--color-ink), transparent);
  -webkit-mask-composite: source-in;
  mask-composite: intersect;
}

.orbit-ring {
  position: absolute;
  top: 50%;
  left: 50%;
  border: 1px solid var(--color-line-focus);
  border-radius: var(--radius-pill);
  transform: translate(-50%, -50%);
}

.orbit-ring::before,
.orbit-ring::after {
  position: absolute;
  width: 10px;
  height: 10px;
  border: 3px solid var(--color-page);
  border-radius: var(--radius-pill);
  background: var(--color-brand);
  box-shadow: var(--shadow-button);
  content: "";
}

.orbit-ring-outer {
  width: 470px;
  height: 470px;
  box-shadow: inset 0 0 42px var(--color-shadow-faint);
}

.orbit-ring-outer::before {
  top: 48px;
  left: 68px;
}

.orbit-ring-outer::after {
  right: 32px;
  bottom: 102px;
}

.orbit-ring-inner {
  width: 292px;
  height: 292px;
  border-style: dashed;
  transform: translate(-50%, -50%) rotate(18deg);
}

.orbit-ring-inner::before {
  top: 12px;
  right: 68px;
}

.orbit-ring-inner::after {
  bottom: 20px;
  left: 50px;
}

.orbit-core {
  position: absolute;
  top: 50%;
  left: 50%;
  display: flex;
  width: 176px;
  height: 176px;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--color-line-focus);
  border-radius: var(--radius-pill);
  background: var(--color-page);
  box-shadow: var(--shadow-deep);
  transform: translate(-50%, -50%);
}

.orbit-core::before {
  position: absolute;
  inset: 16px;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-pill);
  content: "";
}

.orbit-v {
  position: relative;
  z-index: 2;
  background: var(--gradient-brand);
  color: transparent;
  font-family: var(--font-display);
  font-size: 78px;
  font-weight: 900;
  letter-spacing: -0.12em;
  line-height: 1;
  -webkit-background-clip: text;
  background-clip: text;
  transform: translateX(-4px);
}

.orbit-core-label {
  position: absolute;
  bottom: 23px;
  z-index: 2;
  color: var(--color-ink-muted);
  font-family: var(--font-mono);
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 0.22em;
}

.orbit-node {
  position: absolute;
  z-index: 3;
  display: inline-flex;
  min-height: 38px;
  align-items: center;
  justify-content: center;
  padding: 7px 14px;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-pill);
  background: var(--color-page);
  color: var(--color-ink);
  box-shadow: var(--shadow-card);
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 650;
}

.orbit-node-one {
  top: 72px;
  left: 68px;
}

.orbit-node-two {
  top: 110px;
  right: 4px;
}

.orbit-node-three {
  top: 284px;
  right: -14px;
}

.orbit-node-four {
  bottom: 76px;
  right: 86px;
}

.orbit-node-five {
  bottom: 112px;
  left: 22px;
}

.home-window {
  max-width: 940px;
  margin: 0 auto 56px;
  transform: perspective(1200px) rotateX(1.5deg) rotateZ(-0.35deg);
}

.feature-explorer {
  display: grid;
  grid-template-columns: minmax(320px, var(--home-feature-sidebar)) minmax(0, 1fr);
  gap: 26px;
  align-items: start;
}

.feature-tabs {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}

.feature-tabs button {
  display: grid;
  min-width: 0;
  min-height: 92px;
  grid-template-columns: 44px minmax(0, 1fr);
  gap: 12px;
  align-items: center;
  padding: 14px;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-card);
  background: var(--color-page);
  color: var(--color-ink);
  text-align: left;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast), transform var(--transition-fast);
}

.feature-tabs button:hover {
  border-color: var(--color-line-hover);
  transform: translateY(-1px);
}

.feature-tabs button[aria-selected="true"] {
  border-color: var(--color-line-focus);
  box-shadow: var(--shadow-card);
}

.feature-tabs button strong,
.feature-tabs button small {
  display: block;
}

.feature-tabs button strong {
  margin-bottom: 3px;
  font-size: 14px;
}

.feature-tabs button small {
  color: var(--color-ink-muted);
  font-size: 11px;
  line-height: 1.45;
}

.feature-detail {
  min-width: 0;
}

.feature-panel {
  min-height: 398px;
  padding: 34px;
  border: 1px solid var(--color-line-focus);
  border-radius: var(--radius-panel);
  background: var(--color-page);
  color: var(--color-ink-muted);
  box-shadow: var(--shadow-card);
}

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

.feature-panel h3 {
  color: var(--color-ink);
}

.feature-panel p:last-child {
  margin-bottom: 0;
}

.platform-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
}

.platform-card {
  display: flex;
  min-height: 100%;
  flex-direction: column;
  padding: 26px;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-card);
  background: var(--color-page);
  color: var(--color-ink);
  box-shadow: 0 2px 6px var(--color-shadow-faint);
}

.platform-card-icon {
  display: inline-flex;
  width: 48px;
  height: 48px;
  align-items: center;
  justify-content: center;
  margin-bottom: 22px;
  border-radius: var(--radius-control);
  background: var(--gradient-brand);
  color: var(--color-white);
  box-shadow: var(--shadow-button);
}

.platform-card-icon svg {
  width: 22px;
  height: 22px;
}

.platform-card p {
  margin-bottom: 24px;
  color: var(--color-ink-muted);
  font-size: 14px;
}

.platform-card .button {
  width: 100%;
  margin-top: auto;
}

.section-link-row {
  display: flex;
  justify-content: flex-end;
  margin-top: 30px;
}

.section-link-row a {
  font-weight: 700;
  text-decoration: none;
}

.quick-steps {
  display: grid;
  gap: 18px;
  padding: 0;
  list-style: none;
}

.quick-steps li {
  display: grid;
  grid-template-columns: 74px minmax(0, 1fr);
  gap: 22px;
  padding: 26px;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-card);
  background: var(--color-page);
  box-shadow: 0 2px 6px var(--color-shadow-faint);
}

.quick-steps h3 {
  margin-bottom: 8px;
}

.quick-steps p {
  margin-bottom: 0;
  color: var(--color-ink-muted);
}

.quick-step-number {
  display: flex;
  width: 58px;
  height: 58px;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-control);
  background: var(--gradient-brand);
  color: var(--color-white);
  box-shadow: var(--shadow-button);
  font-family: var(--font-mono);
  font-size: 14px;
  font-weight: 700;
}

.quickstart-note {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 28px;
  margin-top: 30px;
  padding: 28px;
  border: 1px solid var(--color-line-focus);
  border-radius: var(--radius-panel);
  background: var(--color-page);
  box-shadow: var(--shadow-card);
}

.quickstart-note h3 {
  margin-bottom: 6px;
}

.quickstart-note p {
  margin-bottom: 0;
  color: var(--color-ink-muted);
}

.ecosystem-layout {
  display: grid;
  grid-template-columns: minmax(330px, 0.8fr) minmax(0, 1.2fr);
  gap: 58px;
  align-items: start;
}

.ecosystem-map {
  position: sticky;
  top: 24px;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  padding: 28px;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-panel);
  background: var(--color-panel);
  box-shadow: var(--shadow-card);
}

.ecosystem-map > div {
  display: flex;
  min-height: 64px;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-control);
  background: var(--color-page);
  color: var(--color-ink);
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
}

.ecosystem-map .ecosystem-hub {
  min-height: 86px;
  grid-column: 1 / -1;
  border-color: var(--color-line-focus);
  background: var(--gradient-brand);
  color: var(--color-white);
  box-shadow: var(--shadow-button);
}

.ecosystem-map .ecosystem-client {
  min-height: 54px;
  color: var(--color-ink-muted);
  font-size: 11px;
}

.ecosystem-map .ecosystem-client:last-child {
  grid-column: 1 / -1;
}

.ecosystem-copy {
  display: grid;
  gap: 34px;
}

.ecosystem-copy article {
  padding-bottom: 30px;
  border-bottom: 1px solid var(--color-line);
  color: var(--color-ink-muted);
}

.ecosystem-copy article p:last-child {
  margin-bottom: 0;
}

.ecosystem-copy .callout {
  margin-top: 0;
  margin-bottom: 0;
}

.ecosystem-copy .callout a {
  display: inline-flex;
  margin-top: 10px;
  font-weight: 700;
  text-decoration: none;
}

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

@media (max-width: 1080px) {
  .hero-layout {
    grid-template-columns: minmax(0, 1fr) minmax(360px, 0.8fr);
    gap: 24px;
  }

  .orbit-ring-outer {
    width: 390px;
    height: 390px;
  }

  .orbit-node-three {
    right: 0;
  }

  .feature-explorer {
    grid-template-columns: 1fr;
  }

  .feature-panel {
    min-height: 0;
  }

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

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

  .home-article-grid .article-card:last-child {
    grid-column: 1 / -1;
  }
}

@media (max-width: 768px) {
  :root {
    --home-hero-space: 56px;
  }

  .hero-layout {
    grid-template-columns: 1fr;
  }

  .hero-summary {
    font-size: 16px;
  }

  .orbit-visual {
    min-height: 440px;
  }

  .orbit-stripes {
    right: 0;
    max-width: 100%;
  }

  .orbit-ring-outer {
    width: 380px;
    height: 380px;
  }

  .orbit-ring-inner {
    width: 240px;
    height: 240px;
  }

  .orbit-core {
    width: 148px;
    height: 148px;
  }

  .orbit-v {
    font-size: 66px;
  }

  .orbit-node-one {
    top: 42px;
    left: 10%;
  }

  .orbit-node-two {
    top: 84px;
    right: 2%;
  }

  .orbit-node-three {
    top: 244px;
  }

  .orbit-node-four {
    right: 12%;
    bottom: 25px;
  }

  .orbit-node-five {
    bottom: 58px;
    left: 2%;
  }

  .home-window {
    transform: none;
  }

  .feature-tabs {
    grid-template-columns: 1fr;
  }

  .feature-tabs button {
    min-height: 78px;
  }

  .ecosystem-layout {
    grid-template-columns: 1fr;
  }

  .ecosystem-map {
    position: static;
  }

  .home-article-grid {
    grid-template-columns: 1fr;
  }

  .home-article-grid .article-card:last-child {
    grid-column: auto;
  }
}

@media (max-width: 640px) {
  .home-hero {
    padding-top: 42px;
    padding-bottom: 48px;
  }

  .hero-copy h1 {
    font-size: clamp(26px, 8vw, 30px);
  }

  .hero-copy h1 .keep-word {
    white-space: normal;
  }

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

  .platform-chip {
    justify-content: center;
    padding-inline: 10px;
  }

  .orbit-visual {
    min-height: 360px;
  }

  .orbit-stripes {
    right: 0;
    width: 430px;
    max-width: 100%;
    height: 380px;
  }

  .orbit-ring-outer {
    width: 300px;
    height: 300px;
  }

  .orbit-ring-inner {
    width: 196px;
    height: 196px;
  }

  .orbit-core {
    width: 126px;
    height: 126px;
  }

  .orbit-v {
    font-size: 56px;
  }

  .orbit-core-label {
    bottom: 16px;
  }

  .orbit-node {
    min-height: 32px;
    padding: 5px 10px;
    font-size: 9px;
  }

  .orbit-node-one {
    top: 28px;
    left: 2%;
  }

  .orbit-node-two {
    top: 60px;
    right: 0;
  }

  .orbit-node-three {
    top: 205px;
  }

  .orbit-node-four {
    right: 8%;
    bottom: 14px;
  }

  .orbit-node-five {
    bottom: 42px;
    left: 0;
  }

  .feature-panel {
    padding: 24px;
  }

  .platform-grid {
    grid-template-columns: 1fr;
  }

  .quick-steps li {
    grid-template-columns: 1fr;
    padding: 22px;
  }

  .quickstart-note {
    grid-template-columns: 1fr;
    padding: 22px;
  }

  .quickstart-note .button {
    width: 100%;
  }

  .ecosystem-map {
    padding: 20px;
  }
}

@media (max-width: 380px) {
  .orbit-ring-outer {
    width: 276px;
    height: 276px;
  }

  .orbit-node-three {
    top: 196px;
  }

  .feature-tabs button {
    grid-template-columns: 40px minmax(0, 1fr);
    padding: 12px;
  }

  .feature-tabs .feature-icon {
    width: 40px;
    height: 40px;
  }
}