/* styles.css — PulseChain Constellation Section Styles */
/* Strict adherence to system.css tokens and constraints */

/* ---------- 4-Column Iceberg Grid Lines ---------- */
.grid-stage {
  position: relative;
  width: 100%;
}

.grid-columns-overlay {
  position: fixed;
  inset: 0;
  max-width: 1440px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  pointer-events: none;
  z-index: 1;
}

.grid-col-line {
  border-right: var(--hairline);
  height: 100%;
}

.grid-col-line:first-child {
  border-left: var(--hairline);
}

/* ---------- Section 1: chain-hero (kinetic-typography) ---------- */
.s-chain-hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 32px 32px 64px;
  overflow: hidden;
  z-index: 2;
}

.hero-bg-stage {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  overflow: hidden;
  pointer-events: none;
  z-index: 1;
}

.hero-bg-media {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  opacity: 0.88;
}

.hero-bg-scrim {
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 50% 50%, rgba(5, 4, 12, 0.25) 0%, rgba(5, 4, 12, 0.70) 80%, var(--color-void) 100%),
              linear-gradient(180deg, rgba(5, 4, 12, 0.45) 0%, transparent 25%, transparent 75%, var(--color-void) 100%);
}

.hero-nav-bar {
  position: relative;
  z-index: 3;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 24px;
  border-radius: 9999px;
  background: rgba(11, 10, 26, 0.75);
  border: var(--hairline);
  backdrop-filter: blur(16px);
  max-width: 1280px;
  margin: 0 auto;
  width: 100%;
}

.hero-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--color-text);
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: -0.01em;
}

.hero-logo-dot {
  width: 8px;
  height: 8px;
  border-radius: 9999px;
  background: var(--color-cyn);
  box-shadow: 0 0 12px rgba(34, 211, 238, 0.80);
}

.hero-nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
  list-style: none;
  margin: 0;
  padding: 0;
}

.hero-nav-link {
  color: var(--color-text-muted);
  text-decoration: none;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  transition: color var(--duration-fast) var(--ease-standard);
}

.hero-nav-link:hover {
  color: var(--color-text);
}

.hero-nav-cta {
  display: flex;
  align-items: center;
  gap: 12px;
}

.hero-center-stage {
  position: relative;
  z-index: 3;
  max-width: 1280px;
  margin: 80px auto 48px;
  width: 100%;
  text-align: center;
}

.hero-annotation {
  display: inline-block;
  font-family: var(--font-display);
  font-style: italic;
  color: var(--color-cyn);
  font-size: 1.125rem;
  margin-bottom: 16px;
  opacity: 0.9;
}

.hero-wordmark {
  font-family: var(--font-display);
  font-size: var(--display-size);
  line-height: var(--display-leading);
  letter-spacing: var(--display-tracking);
  margin: 0 0 24px;
  color: var(--color-text);
  text-transform: uppercase;
  font-weight: 800;
  will-change: transform, opacity;
}

.hero-wordmark span {
  display: inline-block;
  transition: transform var(--duration-slow) var(--ease-standard);
}

.hero-subline {
  font-size: 1.25rem;
  line-height: 1.5;
  color: var(--color-text-muted);
  max-width: 640px;
  margin: 0 auto 32px;
}

.hero-actions {
  display: flex;
  justify-content: center;
  gap: 16px;
  margin-bottom: 48px;
}

.hero-footer-bar {
  position: relative;
  z-index: 3;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  max-width: 1280px;
  margin: 0 auto;
  width: 100%;
  padding-top: 24px;
  border-top: var(--hairline);
  font-family: var(--font-mono);
  font-size: 0.75rem;
}

.hero-metric-item {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.hero-metric-label {
  color: var(--color-text-muted);
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.hero-metric-value {
  color: var(--color-text);
  font-weight: 500;
}

/* ---------- Section 2: pulse-marquee (scroll-driven-marquee) ---------- */
.s-pulse-marquee {
  position: relative;
  border-top: var(--hairline);
  border-bottom: var(--hairline);
  background: var(--color-surface);
  padding: 16px 0;
  overflow: hidden;
  z-index: 2;
  white-space: nowrap;
}

.marquee-track {
  display: inline-flex;
  gap: 48px;
  animation: marqueeScroll 32s linear infinite;
  will-change: transform;
}

.marquee-item {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  letter-spacing: 0.08em;
  color: var(--color-text-muted);
}

.marquee-item strong {
  color: var(--color-text);
  font-weight: 600;
}

.marquee-separator {
  color: var(--color-vlt);
  opacity: 0.6;
}

@keyframes marqueeScroll {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}

/* ---------- Section 3: living-constellation (living-scene signature) ---------- */
.s-living-constellation {
  position: relative;
  min-height: 100vh;
  padding: 96px 32px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  overflow: hidden;
  z-index: 2;
}

.canvas-container {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: auto;
}

#nebula-canvas {
  width: 100%;
  height: 100%;
  display: block;
}

.constellation-overlay-content {
  position: relative;
  z-index: 3;
  max-width: 1280px;
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  pointer-events: none;
}

.constellation-header {
  max-width: 520px;
}

.constellation-title {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 5vw, 4rem);
  line-height: 1.05;
  margin: 16px 0 12px;
  color: var(--color-text);
}

.constellation-desc {
  color: var(--color-text-muted);
  font-size: 1rem;
  line-height: 1.6;
  margin-bottom: 24px;
}

.constellation-legend {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-text-muted);
}

.legend-point {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.legend-dot {
  width: 6px;
  height: 6px;
  border-radius: 9999px;
}

.legend-dot--violet { background: var(--color-vlt); }
.legend-dot--cyan { background: var(--color-cyn); }
.legend-dot--mint { background: var(--color-mint); }

.node-inspector-deck {
  pointer-events: auto;
  width: 360px;
  background: rgba(11, 10, 26, 0.85);
  border: var(--hairline);
  border-radius: 24px;
  padding: 6px;
  backdrop-filter: blur(16px);
  box-shadow: 0 20px 40px rgba(5, 4, 12, 0.60);
}

.node-inspector-inner {
  background: var(--color-surface);
  border-radius: 16px;
  padding: 20px;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.06);
}

.node-inspector-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 16px;
  border-bottom: var(--hairline);
  padding-bottom: 12px;
}

.node-inspector-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  font-family: var(--font-mono);
  font-size: 0.75rem;
}

.inspector-field-label {
  color: var(--color-text-muted);
  font-size: 0.6875rem;
  margin-bottom: 4px;
}

.inspector-field-val {
  color: var(--color-text);
  font-weight: 500;
}

/* Static fallback starfield poster */
.static-starfield-poster {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  background: radial-gradient(circle at 50% 50%, rgba(139, 92, 246, 0.15) 0%, var(--color-void) 70%);
  display: none;
}

/* ---------- Section 4: chain-chapters (sticky-stacking-cards) ---------- */
.s-chain-chapters {
  position: relative;
  padding: 96px 32px 120px;
  max-width: 1344px;
  margin: 0 auto;
  z-index: 2;
}

.chapters-intro {
  text-align: center;
  max-width: 640px;
  margin: 0 auto 64px;
}

.chapters-intro-title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3.5rem);
  line-height: 1.05;
  margin: 16px 0;
  color: var(--color-text);
}

.chapters-stack {
  display: flex;
  flex-direction: column;
  gap: 48px;
}

.chapter-card-frame {
  position: relative;
  border-radius: 24px;
  border: var(--hairline);
  overflow: hidden;
  height: 540px;
  background: var(--color-surface);
  box-shadow: 0 24px 64px rgba(5, 4, 12, 0.75);
}

.chapter-card-image {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.75;
  transition: transform var(--duration-slow) var(--ease-standard), opacity var(--duration-slow) var(--ease-standard);
}

.chapter-card-frame:hover .chapter-card-image {
  transform: scale(1.03);
  opacity: 0.90;
}

.chapter-card-caption-pinned {
  position: absolute;
  bottom: 32px;
  left: 32px;
  max-width: 420px;
  z-index: 3;
}

.chapter-card-caption-pinned--right {
  left: auto;
  right: 32px;
}

/* ---------- Section 5: ecosystem-grid (floating-stack) ---------- */
.s-ecosystem-grid {
  position: relative;
  padding: 96px 32px 120px;
  max-width: 1344px;
  margin: 0 auto;
  z-index: 2;
}

.ecosystem-header {
  text-align: center;
  max-width: 680px;
  margin: 0 auto 64px;
}

.ecosystem-header-title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3.5rem);
  line-height: 1.05;
  margin: 16px 0;
  color: var(--color-text);
}

.ecosystem-cluster {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: 24px;
}

.ecosystem-tile {
  background: var(--color-surface);
  border: var(--hairline);
  border-radius: 16px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  text-decoration: none;
  color: var(--color-text);
  transition: transform var(--duration-fast) var(--ease-standard),
              border-color var(--duration-fast) var(--ease-standard),
              box-shadow var(--duration-fast) var(--ease-standard);
  cursor: pointer;
}

.ecosystem-tile:hover,
.ecosystem-tile:focus-visible {
  transform: translateY(-4px);
  border-color: rgba(139, 92, 246, 0.50);
  box-shadow: 0 16px 32px rgba(5, 4, 12, 0.60);
}

.ecosystem-tile-media {
  width: 100%;
  height: 180px;
  object-fit: cover;
}

.ecosystem-tile-body {
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.ecosystem-tile-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.ecosystem-tile-name {
  font-family: var(--font-display);
  font-size: 1.25rem;
  margin: 0;
  color: var(--color-text);
}

.ecosystem-tile-desc {
  font-size: 0.875rem;
  color: var(--color-text-muted);
  line-height: 1.5;
  margin: 0;
}

.ecosystem-tile-meta {
  margin-top: 12px;
  padding-top: 12px;
  border-top: var(--hairline);
  display: flex;
  justify-content: space-between;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--color-cyn);
}

/* ---------- Section 6: validators-orbit (cursor-spotlight-mask) ---------- */
.s-validators-orbit {
  position: relative;
  padding: 96px 32px 120px;
  max-width: 1344px;
  margin: 0 auto;
  z-index: 2;
}

.orbit-intro {
  text-align: center;
  max-width: 680px;
  margin: 0 auto 48px;
}

.orbit-intro-title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3.5rem);
  line-height: 1.05;
  margin: 16px 0;
  color: var(--color-text);
}

.orbit-stage-wrapper {
  position: relative;
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 48px;
  align-items: center;
  background: var(--color-surface);
  border: var(--hairline);
  border-radius: 24px;
  padding: 48px;
  overflow: hidden;
}

.orbit-spotlight-plane {
  position: relative;
  height: 480px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.orbit-ring {
  position: absolute;
  border-radius: 9999px;
  border: 1px dashed rgba(255, 255, 255, 0.12);
  pointer-events: none;
}

.orbit-ring--outer { width: 420px; height: 420px; }
.orbit-ring--middle { width: 280px; height: 280px; }
.orbit-ring--inner { width: 140px; height: 140px; }

.orbit-core {
  position: relative;
  width: 48px;
  height: 48px;
  border-radius: 9999px;
  background: radial-gradient(circle, var(--color-vlt) 0%, rgba(139, 92, 246, 0.2) 70%);
  border: 1px solid var(--color-cyn);
  box-shadow: 0 0 24px rgba(139, 92, 246, 0.6);
  z-index: 2;
}

.orbit-node-point {
  position: absolute;
  width: 32px;
  height: 32px;
  border-radius: 9999px;
  background: var(--color-surface-raised);
  border: var(--hairline);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  color: var(--color-text);
  cursor: pointer;
  transition: transform var(--duration-fast) var(--ease-standard),
              border-color var(--duration-fast) var(--ease-standard),
              background var(--duration-fast) var(--ease-standard);
  z-index: 3;
}

.orbit-node-point:hover,
.orbit-node-point.is-active,
.orbit-node-point:focus-visible {
  transform: scale(1.25);
  border-color: var(--color-cyn);
  background: rgba(34, 211, 238, 0.20);
  color: var(--color-cyn);
}

.orbit-detail-panel {
  background: var(--color-surface-raised);
  border: var(--hairline);
  border-radius: 16px;
  padding: 32px;
}

.orbit-detail-header {
  border-bottom: var(--hairline);
  padding-bottom: 16px;
  margin-bottom: 20px;
}

.orbit-detail-title {
  font-family: var(--font-display);
  font-size: 1.5rem;
  margin: 8px 0 4px;
  color: var(--color-text);
}

.orbit-field-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.orbit-field-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-family: var(--font-mono);
  font-size: 0.8125rem;
}

.orbit-field-label {
  color: var(--color-text-muted);
}

.orbit-field-value {
  color: var(--color-text);
  font-weight: 500;
}

/* ---------- Section 7: footer-telemetry (telemetry-ledger) ---------- */
.s-footer-telemetry {
  position: relative;
  background: var(--color-surface);
  border-top: var(--hairline);
  padding: 96px 32px 64px;
  z-index: 2;
}

.footer-container {
  max-width: 1280px;
  margin: 0 auto;
}

.footer-cta-block {
  text-align: center;
  max-width: 720px;
  margin: 0 auto 64px;
}

.footer-cta-title {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 5vw, 4rem);
  line-height: 1.0;
  margin: 16px 0 20px;
  color: var(--color-text);
}

.footer-cta-sub {
  color: var(--color-text-muted);
  font-size: 1.125rem;
  margin-bottom: 32px;
}

/* Single warm moment: The Ember Sigil Divider */
.ember-sigil-divider {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 20px;
  margin: 64px 0;
}

.ember-line {
  flex: 1;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(255, 122, 69, 0.4), transparent);
}

.ember-sigil {
  width: 14px;
  height: 14px;
  transform: rotate(45deg);
  background: var(--color-ember);
  box-shadow: 0 0 16px rgba(255, 122, 69, 0.85);
}

.telemetry-ledger-card {
  background: var(--color-void);
  border: var(--hairline);
  border-radius: 16px;
  padding: 24px;
  margin-bottom: 64px;
}

.ledger-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 16px;
  padding-bottom: 12px;
  border-bottom: var(--hairline);
}

.ledger-title {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--color-text-muted);
}

.ledger-rows {
  display: flex;
  flex-direction: column;
}

.ledger-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px 0;
  border-bottom: var(--hairline);
  font-family: var(--font-mono);
  font-size: 0.8125rem;
}

.ledger-row:last-child {
  border-bottom: none;
}

.ledger-key {
  color: var(--color-text-muted);
}

.ledger-val {
  color: var(--color-text);
  display: flex;
  align-items: center;
  gap: 8px;
}

.copy-btn {
  background: rgba(255, 255, 255, 0.06);
  border: var(--hairline);
  border-radius: 6px;
  color: var(--color-text-muted);
  padding: 4px 8px;
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  cursor: pointer;
  transition: color var(--duration-fast) var(--ease-standard);
}

.copy-btn:hover {
  color: var(--color-text);
}

.footer-nav-columns {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
  padding-bottom: 48px;
  border-bottom: var(--hairline);
  margin-bottom: 32px;
}

.footer-col-title {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  margin-bottom: 16px;
}

.footer-col-links {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer-col-links a {
  color: var(--color-text);
  text-decoration: none;
  font-size: 0.875rem;
  transition: color var(--duration-fast) var(--ease-standard);
}

.footer-col-links a:hover {
  color: var(--color-cyn);
}

.footer-bottom-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.8125rem;
  color: var(--color-text-muted);
}

/* Responsive adjustments */
@media (max-width: 960px) {
  .hero-footer-bar {
    grid-template-columns: 1fr 1fr;
  }
  .orbit-stage-wrapper {
    grid-template-columns: 1fr;
  }
  .constellation-overlay-content {
    flex-direction: column;
    align-items: flex-start;
    gap: 32px;
  }
  .footer-nav-columns {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 640px) {
  .hero-nav-links {
    display: none;
  }
  .footer-nav-columns {
    grid-template-columns: 1fr;
  }
  .hero-footer-bar {
    grid-template-columns: 1fr;
  }
}