/* Hab Empire Alive
   GitHub-inspired motion language: canvas particles, scroll reveal,
   command HUD, and project vitality without external runtime dependencies. */

:root {
  --alive-gold: #e0a83c;
  --alive-cyan: #00e0f0;
  --alive-green: #00ff88;
  --alive-ink: #060504;
  --alive-panel: rgba(6, 5, 4, 0.62);
  --alive-line: rgba(224, 168, 60, 0.22);
  --alive-line-hot: rgba(224, 168, 60, 0.62);
}

html,
body {
  max-width: 100%;
  overflow-x: hidden;
}

.empire-ambient-canvas {
  position: fixed;
  inset: 0;
  width: 100vw;
  height: 100vh;
  z-index: 0;
  pointer-events: none;
  opacity: 0.46;
  mix-blend-mode: screen;
}

/* :where() keeps zero specificity so this never overrides position:fixed
   on body children (nav, dock, back-top, theme button, WhatsApp bubble). */
body > :where(:not(.empire-ambient-canvas):not(.empire-scroll-beam):not(.empire-page-rune)) {
  position: relative;
}

.empire-scroll-beam {
  position: fixed;
  left: 0;
  top: 0;
  width: 100%;
  height: 3px;
  z-index: 12000;
  transform: scaleX(var(--empire-progress, 0));
  transform-origin: left center;
  background: linear-gradient(90deg, var(--alive-green), var(--alive-gold), var(--alive-cyan));
  box-shadow: 0 0 18px rgba(224, 168, 60, 0.46);
  pointer-events: none;
}

.empire-page-rune {
  position: fixed;
  right: 14px;
  top: 50%;
  z-index: 900;
  transform: translateY(-50%) rotate(180deg);
  writing-mode: vertical-rl;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 13px 8px;
  border: 1px solid rgba(224, 168, 60, 0.2);
  border-radius: 999px;
  background: rgba(6, 5, 4, 0.56);
  color: rgba(237, 224, 200, 0.58);
  backdrop-filter: blur(12px);
  font-family: var(--font-mono, 'Share Tech Mono', monospace);
  font-size: 0.52rem;
  letter-spacing: 2.4px;
  text-transform: uppercase;
  pointer-events: none;
}

.empire-page-rune::before,
.empire-page-rune::after {
  content: "";
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--alive-gold);
  box-shadow: 0 0 12px rgba(224, 168, 60, 0.8);
}

.empire-live-card {
  position: relative;
  isolation: isolate;
  transition:
    transform 280ms cubic-bezier(0.16, 1, 0.3, 1),
    border-color 280ms cubic-bezier(0.16, 1, 0.3, 1),
    box-shadow 280ms cubic-bezier(0.16, 1, 0.3, 1),
    background 280ms cubic-bezier(0.16, 1, 0.3, 1);
}

.empire-live-card::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  border-radius: inherit;
  background:
    radial-gradient(circle at var(--alive-x, 50%) var(--alive-y, 50%), rgba(224, 168, 60, 0.16), transparent 32%),
    linear-gradient(135deg, rgba(255, 255, 255, 0.025), transparent 45%);
  opacity: 0;
  transition: opacity 260ms ease;
}

.empire-live-card::after {
  content: attr(data-empire-cell);
  position: absolute;
  top: 10px;
  right: 12px;
  z-index: 1;
  max-width: 12ch;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  color: rgba(0, 255, 136, 0.42);
  font-family: var(--font-mono, 'Share Tech Mono', monospace);
  font-size: 0.48rem;
  letter-spacing: 1.7px;
  text-transform: uppercase;
  pointer-events: none;
}

.empire-live-card:hover,
.empire-live-card:focus-within,
.empire-live-card.empire-in-view {
  border-color: var(--alive-line-hot) !important;
  box-shadow: 0 20px 58px rgba(0, 0, 0, 0.34), 0 0 34px rgba(196, 136, 42, 0.08) !important;
}

.empire-live-card:hover::before,
.empire-live-card:focus-within::before,
.empire-live-card.empire-in-view::before {
  opacity: 1;
}

.empire-live-card:hover {
  transform: translateY(-3px);
}

.empire-reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 620ms ease, transform 620ms cubic-bezier(0.16, 1, 0.3, 1);
}

.empire-reveal.empire-in-view {
  opacity: 1;
  transform: translateY(0);
}

.empire-sector-band {
  position: relative;
}

.empire-sector-band::before {
  content: "";
  position: absolute;
  left: clamp(18px, 4vw, 58px);
  right: clamp(18px, 4vw, 58px);
  top: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(224, 168, 60, 0.32), transparent);
  pointer-events: none;
}

.empire-signal-chip {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 34px;
  padding: 6px 10px;
  border: 1px solid rgba(0, 224, 240, 0.2);
  border-radius: 999px;
  background: rgba(0, 224, 240, 0.045);
  color: rgba(237, 224, 200, 0.72);
  font-family: var(--font-mono, 'Share Tech Mono', monospace);
  font-size: 0.5rem;
  letter-spacing: 1.8px;
  text-transform: uppercase;
}

.empire-signal-chip::before {
  content: "";
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--alive-green);
  box-shadow: 0 0 11px rgba(0, 255, 136, 0.8);
}

@media (max-width: 760px) {
  .empire-page-rune {
    display: none;
  }

  .empire-ambient-canvas {
    opacity: 0.28;
  }

  .empire-live-card::after {
    display: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  .empire-ambient-canvas {
    display: none;
  }

  .empire-live-card,
  .empire-reveal,
  .empire-scroll-beam {
    transition: none !important;
  }
}