:root {
  --bg: #08141a;
  --bg-soft: #10242d;
  --panel: rgba(12, 30, 38, 0.76);
  --panel-strong: rgba(16, 39, 49, 0.92);
  --line: rgba(155, 221, 210, 0.16);
  --text: #edf7f1;
  --muted: #9eb8b6;
  --mint: #83f1c7;
  --cyan: #77d9ef;
  --amber: #ffbf69;
  --shadow: 0 30px 80px rgba(0, 0, 0, 0.32);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: "Manrope", "Noto Sans SC", sans-serif;
  background:
    radial-gradient(circle at top left, rgba(119, 217, 239, 0.12), transparent 30%),
    radial-gradient(circle at 85% 15%, rgba(255, 191, 105, 0.16), transparent 22%),
    linear-gradient(180deg, #051016 0%, #0b1820 52%, #08141a 100%);
  color: var(--text);
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(131, 241, 199, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(131, 241, 199, 0.05) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.55), transparent 90%);
}

a,
button,
input {
  font: inherit;
}

.page-shell {
  width: min(1180px, calc(100% - 32px));
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 24px;
  padding: 18px 0;
  backdrop-filter: blur(16px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: var(--text);
  text-decoration: none;
  font-weight: 800;
  letter-spacing: 0.04em;
}

.brand-mark {
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--mint), var(--cyan));
  box-shadow: 0 0 24px rgba(119, 217, 239, 0.7);
}

.brand-text {
  font-size: 0.95rem;
}

.site-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
}

.site-nav a {
  position: relative;
  color: var(--muted);
  text-decoration: none;
  font-size: 0.95rem;
  transition: color 180ms ease;
}

.site-nav a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -6px;
  width: 100%;
  height: 2px;
  transform: scaleX(0);
  transform-origin: left;
  background: linear-gradient(90deg, var(--mint), var(--cyan));
  transition: transform 180ms ease;
}

.site-nav a:hover,
.site-nav a.is-active {
  color: var(--text);
}

.site-nav a:hover::after,
.site-nav a.is-active::after {
  transform: scaleX(1);
}

.section {
  padding: 40px 0 72px;
}

.hero {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 36px;
  align-items: center;
  min-height: calc(100vh - 80px);
  padding-top: 32px;
}

.eyebrow,
.panel-kicker {
  margin: 0 0 12px;
  color: var(--mint);
  text-transform: uppercase;
  letter-spacing: 0.18em;
  font-size: 0.8rem;
}

.hero h1,
.section-heading h2,
.join h2,
.featured-copy h2,
.blueprint-copy h2 {
  margin: 0;
  font-size: clamp(2.6rem, 5vw, 5.4rem);
  line-height: 0.95;
  letter-spacing: -0.05em;
}

.hero-text,
.section-heading p:last-child,
.join p:last-child,
.scenario-panel p,
.timeline-card p,
.metric-card p,
.featured-grid p,
.capability-card p,
.blueprint-copy p:last-child,
.faq-item p,
.join-note p {
  color: var(--muted);
  line-height: 1.7;
}

.hero-text {
  max-width: 620px;
  margin: 24px 0 0;
  font-size: 1.06rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 28px;
}

.hero-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 24px;
}

.hero-strip span {
  padding: 9px 14px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--muted);
  background: rgba(255, 255, 255, 0.03);
  font-size: 0.9rem;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 164px;
  padding: 14px 22px;
  border: 0;
  border-radius: 999px;
  text-decoration: none;
  font-weight: 700;
  cursor: pointer;
  transition: transform 180ms ease, border-color 180ms ease, background 180ms ease;
}

.button:hover {
  transform: translateY(-2px);
}

.button-primary {
  background: linear-gradient(135deg, var(--mint), #b8ffdf);
  color: #04232e;
}

.button-secondary {
  color: var(--text);
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.03);
}

.hero-panel {
  position: relative;
  min-height: 520px;
  border: 1px solid var(--line);
  border-radius: 36px;
  background:
    radial-gradient(circle at center, rgba(119, 217, 239, 0.16), transparent 45%),
    linear-gradient(180deg, rgba(13, 35, 44, 0.95), rgba(8, 20, 26, 0.85));
  box-shadow: var(--shadow);
  overflow: hidden;
}

.hero-orbit {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
}

.hero-orbit::before,
.hero-orbit::after {
  content: "";
  position: absolute;
  border-radius: 50%;
  border: 1px solid rgba(131, 241, 199, 0.18);
}

.hero-orbit::before {
  width: 72%;
  height: 72%;
}

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

.orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(2px);
}

.orb-large {
  width: 180px;
  height: 180px;
  background: radial-gradient(circle, rgba(131, 241, 199, 0.9), rgba(131, 241, 199, 0.06) 68%);
  animation: float 8s ease-in-out infinite;
}

.orb-small {
  width: 64px;
  height: 64px;
  top: 18%;
  left: 24%;
  background: radial-gradient(circle, rgba(255, 191, 105, 0.92), rgba(255, 191, 105, 0.08) 70%);
  animation: drift 6s ease-in-out infinite;
}

.signal-card {
  position: absolute;
  width: 180px;
  padding: 16px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 22px;
  background: rgba(9, 26, 34, 0.8);
  backdrop-filter: blur(10px);
}

.signal-card-top {
  top: 12%;
  right: 10%;
}

.signal-card-right {
  right: 8%;
  bottom: 26%;
}

.signal-card-bottom {
  bottom: 10%;
  left: 11%;
}

.signal-label {
  display: block;
  margin-bottom: 10px;
  color: var(--muted);
  font-size: 0.82rem;
}

.featured-band {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
  align-items: stretch;
  margin-bottom: 10px;
}

.featured-copy,
.featured-grid article,
.metric-card,
.timeline-card,
.scenario-display,
.scenario-item,
.join,
.capability-card,
.blueprint-panel,
.faq-item {
  border: 1px solid var(--line);
  background: var(--panel);
  box-shadow: var(--shadow);
}

.featured-copy {
  padding: 28px;
  border-radius: 30px;
}

.featured-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.featured-grid article {
  padding: 24px;
  border-radius: 28px;
}

.featured-grid strong {
  display: block;
  margin-bottom: 8px;
  font-size: 1.1rem;
}

.section-heading {
  max-width: 860px;
  margin-bottom: 28px;
}

.section-heading h2,
.join h2,
.featured-copy h2,
.blueprint-copy h2 {
  font-size: clamp(2rem, 3.6vw, 4rem);
}

.metric-grid,
.timeline-grid,
.capability-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.metric-card,
.timeline-card,
.capability-card {
  padding: 28px;
  border-radius: 28px;
}

.metric-value {
  font-size: clamp(3rem, 5vw, 4.4rem);
  line-height: 0.9;
  font-weight: 800;
  letter-spacing: -0.06em;
}

.metric-unit {
  margin-left: 8px;
  color: var(--amber);
  font-weight: 700;
}

.scenario-layout {
  display: grid;
  grid-template-columns: 0.88fr 1.12fr;
  gap: 18px;
}

.scenario-list {
  display: grid;
  gap: 14px;
}

.scenario-item {
  display: grid;
  grid-template-columns: 52px 1fr;
  gap: 18px;
  width: 100%;
  padding: 22px;
  color: var(--text);
  text-align: left;
  border-radius: 24px;
  cursor: pointer;
}

.scenario-item span {
  color: var(--amber);
  font-weight: 800;
  font-size: 1.2rem;
}

.scenario-item p,
.scenario-item strong {
  margin: 0;
}

.scenario-item p {
  margin-top: 6px;
  color: var(--muted);
}

.scenario-item.is-active {
  background: var(--panel-strong);
  border-color: rgba(131, 241, 199, 0.42);
  transform: translateX(6px);
}

.scenario-display {
  position: relative;
  min-height: 360px;
  padding: 30px;
  border-radius: 30px;
  overflow: hidden;
}

.scenario-display::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 85% 20%, rgba(255, 191, 105, 0.18), transparent 25%),
    radial-gradient(circle at 20% 80%, rgba(119, 217, 239, 0.16), transparent 25%);
}

.scenario-panel {
  position: absolute;
  inset: 30px;
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 280ms ease, transform 280ms ease;
}

.scenario-panel.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.scenario-panel h3 {
  max-width: 560px;
  margin: 0 0 16px;
  font-size: clamp(1.8rem, 2.5vw, 2.8rem);
  line-height: 1.08;
  letter-spacing: -0.04em;
}

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

.capability-index {
  display: inline-block;
  margin-bottom: 16px;
  color: var(--amber);
  font-weight: 800;
}

.capability-card h3,
.timeline-card h3 {
  margin: 0 0 10px;
}

.blueprint-panel {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  padding: 34px;
  border-radius: 34px;
  overflow: hidden;
}

.blueprint-map {
  position: relative;
  min-height: 300px;
  border: 1px solid rgba(131, 241, 199, 0.16);
  border-radius: 28px;
  background:
    radial-gradient(circle at 50% 50%, rgba(119, 217, 239, 0.14), transparent 35%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.02), rgba(255, 255, 255, 0.01));
}

.map-node,
.map-leaf {
  position: absolute;
  display: grid;
  place-items: center;
  padding: 14px 18px;
  border-radius: 999px;
  border: 1px solid rgba(131, 241, 199, 0.22);
  background: rgba(8, 22, 28, 0.85);
}

.map-node {
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
}

.map-leaf-a {
  top: 18%;
  left: 10%;
}

.map-leaf-b {
  right: 10%;
  top: 20%;
}

.map-leaf-c {
  right: 24%;
  bottom: 12%;
}

.map-link {
  position: absolute;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--mint), transparent);
  transform-origin: left;
}

.map-link-a {
  top: 38%;
  left: 28%;
  width: 28%;
  transform: rotate(18deg);
}

.map-link-b {
  top: 40%;
  left: 50%;
  width: 28%;
  transform: rotate(-18deg);
}

.map-link-c {
  top: 62%;
  left: 48%;
  width: 22%;
  transform: rotate(36deg);
}

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

.timeline-year {
  display: inline-block;
  margin-bottom: 18px;
  color: var(--mint);
  font-weight: 800;
}

.faq-list {
  display: grid;
  gap: 14px;
}

.faq-item {
  padding: 0 24px;
  border-radius: 22px;
}

.faq-item summary {
  list-style: none;
  padding: 22px 0;
  cursor: pointer;
  font-weight: 700;
}

.faq-item summary::-webkit-details-marker {
  display: none;
}

.faq-item p {
  margin: 0 0 22px;
}

.join {
  display: flex;
  justify-content: space-between;
  align-items: stretch;
  gap: 24px;
  padding: 34px;
  border-radius: 34px;
  margin-bottom: 72px;
}

.join-copy {
  max-width: 720px;
}

.join-form {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 24px;
}

.join-form label {
  display: grid;
  gap: 8px;
  flex: 1 1 320px;
}

.join-form span {
  color: var(--muted);
  font-size: 0.95rem;
}

.join-form input {
  width: 100%;
  padding: 16px 18px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.03);
  color: var(--text);
}

.join-side {
  display: grid;
  gap: 14px;
  min-width: 260px;
}

.join-note {
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: 24px;
  background: rgba(255, 255, 255, 0.03);
}

.reveal {
  opacity: 0;
  transform: translateY(26px);
  transition: opacity 600ms ease, transform 600ms ease;
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

@keyframes float {
  0%,
  100% {
    transform: translate3d(0, 0, 0);
  }
  50% {
    transform: translate3d(0, -18px, 0);
  }
}

@keyframes drift {
  0%,
  100% {
    transform: translate3d(0, 0, 0);
  }
  50% {
    transform: translate3d(16px, 10px, 0);
  }
}

@media (max-width: 1080px) {
  .featured-band,
  .blueprint-panel,
  .hero,
  .scenario-layout,
  .metric-grid,
  .timeline-grid,
  .capability-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 980px) {
  .featured-grid {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: auto;
  }

  .hero-panel {
    min-height: 420px;
  }

  .join {
    flex-direction: column;
  }
}

@media (max-width: 720px) {
  .page-shell {
    width: min(100% - 24px, 1180px);
  }

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

  .section {
    padding: 26px 0 54px;
  }

  .hero h1,
  .section-heading h2,
  .join h2,
  .featured-copy h2,
  .blueprint-copy h2 {
    letter-spacing: -0.04em;
  }

  .hero-panel {
    min-height: 360px;
  }

  .signal-card {
    width: 148px;
    padding: 14px;
  }

  .scenario-item,
  .featured-copy,
  .metric-card,
  .timeline-card,
  .capability-card,
  .blueprint-panel,
  .join {
    border-radius: 24px;
  }

  .scenario-item.is-active {
    transform: none;
  }

  .scenario-display {
    min-height: 420px;
  }

  .join-form {
    flex-direction: column;
  }
}