:root {
  --bg0: #04050a;
  --bg1: #0a1020;
  --panel: rgba(10, 16, 32, 0.78);
  --panel-glass: rgba(12, 20, 38, 0.65);
  --foam: #b8f3ff;
  --tide: #1ec8ff;
  --gold: #f0c36a;
  --ember: #ff7a59;
  --violet: #c8b4ff;
  --ok: #6dffb0;
  --ink: #e8f1f8;
  --mute: #8ca2b8;
  --border: rgba(184, 243, 255, 0.16);
  --border-light: rgba(184, 243, 255, 0.32);
  --paper: #f4f0e8;
  --p: 0;
  --separation: 0;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  color: var(--ink);
  font-family: "IBM Plex Sans", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background: var(--bg0);
  line-height: 1.55;
  overflow-x: hidden;
}
a { color: var(--tide); text-decoration: none; }
a:hover { color: var(--foam); }

/* Site Header */
.site-header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  display: flex; align-items: center; justify-content: space-between;
  padding: 0.65rem 1.4rem;
  border-bottom: 1px solid var(--border);
  background: rgba(4, 5, 10, 0.75);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}
.brand { font-size: 0.88rem; font-weight: 600; letter-spacing: 0.12em; text-transform: uppercase; color: var(--foam); }
.brand span { color: var(--gold); }
.nav { display: flex; gap: 1.2rem; flex-wrap: wrap; }
.nav a { font-size: 0.8rem; color: var(--mute); letter-spacing: 0.04em; transition: color 0.2s; }
.nav a.active, .nav a:hover { color: var(--foam); text-shadow: 0 0 12px rgba(30, 200, 255, 0.4); }
.claim-pill {
  font-size: 0.65rem; letter-spacing: 0.08em; color: var(--ember);
  border: 1px solid rgba(255, 122, 89, 0.35); padding: 0.2rem 0.55rem; border-radius: 99px;
  background: rgba(255, 122, 89, 0.06);
}

/* 3D Rabbit Hole Canvas Stage */
#glass3d {
  position: fixed;
  inset: 0;
  width: 100vw;
  height: 100vh;
  z-index: 1;
  pointer-events: auto;
  outline: none;
}

/* Real-time Telemetry HUD */
.telemetry-hud {
  position: fixed;
  top: 64px;
  right: 1.4rem;
  z-index: 50;
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  padding: 0.65rem 0.9rem;
  border-radius: 8px;
  background: rgba(8, 14, 28, 0.7);
  border: 1px solid var(--border);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  font-family: "IBM Plex Mono", Menlo, monospace;
  font-size: 0.68rem;
  letter-spacing: 0.06em;
  color: var(--mute);
  pointer-events: none;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.35);
}
.hud-row { display: flex; align-items: center; justify-content: space-between; gap: 1rem; }
.hud-val { color: var(--tide); font-weight: 600; }
.hud-val.gold { color: var(--gold); }
.hud-val.ember { color: var(--ember); }
.hud-progress-bar {
  width: 100%;
  height: 2px;
  background: rgba(184, 243, 255, 0.12);
  border-radius: 2px;
  margin-top: 0.2rem;
  overflow: hidden;
}
.hud-progress-fill {
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, var(--gold), var(--tide), var(--ember));
  transition: width 0.1s linear;
}

/* Jump Navigator Pill */
.depth-navigator {
  position: fixed;
  bottom: 1.2rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 50;
  display: flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.35rem 0.6rem;
  border-radius: 99px;
  background: rgba(6, 10, 20, 0.82);
  border: 1px solid var(--border);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  box-shadow: 0 10px 36px rgba(0, 0, 0, 0.5), 0 0 16px rgba(30, 200, 255, 0.15);
}
.depth-btn {
  background: transparent;
  border: 1px solid transparent;
  color: var(--mute);
  font-size: 0.72rem;
  letter-spacing: 0.04em;
  padding: 0.3rem 0.65rem;
  border-radius: 99px;
  cursor: pointer;
  transition: all 0.25s ease;
}
.depth-btn:hover {
  color: var(--foam);
  background: rgba(30, 200, 255, 0.12);
  border-color: rgba(30, 200, 255, 0.25);
}

/* Rabbit Hole Content Track */
.rabbit-hole-hero {
  position: relative;
  min-height: 650vh;
  z-index: 10;
  pointer-events: none;
}
.rabbit-content {
  position: relative;
  max-width: 52rem;
  margin: 0 auto;
  padding: 8vh 1.4rem 15vh;
}
.rabbit-panel {
  min-height: 110vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  pointer-events: none;
}
.rabbit-card {
  pointer-events: auto;
  max-width: 28rem;
  padding: 1.6rem 1.8rem;
  border-radius: 12px;
  background: var(--panel-glass);
  border: 1px solid var(--border);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  box-shadow: 0 16px 48px rgba(0, 0, 0, 0.4), inset 0 1px 0 rgba(255, 255, 255, 0.1);
  transition: transform 0.4s cubic-bezier(0.2, 1, 0.3, 1), border-color 0.3s;
}
.rabbit-card:hover {
  border-color: var(--border-light);
  transform: translateY(-2px);
}
.rabbit-panel.align-right { align-items: flex-end; }
.rabbit-panel.align-center { align-items: center; text-align: center; }
.rabbit-panel.align-center .rabbit-card { max-width: 34rem; }

.rabbit-badge {
  display: inline-block;
  font-size: 0.65rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 0.5rem;
}
.rabbit-card h2 {
  font-size: 1.35rem;
  font-weight: 500;
  color: var(--foam);
  letter-spacing: 0.04em;
  margin-bottom: 0.75rem;
  line-height: 1.3;
}
.rabbit-card p {
  color: var(--ink);
  font-size: 0.88rem;
  line-height: 1.6;
  margin-bottom: 0.8rem;
  opacity: 0.92;
}
.rabbit-hint {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  margin-top: 0.9rem;
  padding: 0.45rem 0.75rem;
  border-radius: 6px;
  background: rgba(30, 200, 255, 0.08);
  border: 1px dashed rgba(30, 200, 255, 0.3);
  font-size: 0.72rem;
  color: var(--tide);
}
.rabbit-hint svg { flex-shrink: 0; }

/* Interactive 3D Object Inspector Modal */
.inspector-drawer {
  position: fixed;
  bottom: 4.5rem;
  right: 1.4rem;
  width: min(90vw, 24rem);
  z-index: 80;
  padding: 1.2rem 1.4rem;
  border-radius: 12px;
  background: rgba(8, 14, 28, 0.92);
  border: 1px solid var(--border-light);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.6), 0 0 24px rgba(30, 200, 255, 0.15);
  animation: slideUp 0.35s cubic-bezier(0.16, 1, 0.3, 1);
}
@keyframes slideUp {
  from { opacity: 0; transform: translateY(16px); }
  to { opacity: 1; transform: translateY(0); }
}
.inspector-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 0.6rem;
}
.inspector-header .tag {
  font-size: 0.65rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ember);
}
.inspector-close {
  background: transparent;
  border: none;
  color: var(--mute);
  cursor: pointer;
  font-size: 1.1rem;
  padding: 0.2rem;
  line-height: 1;
}
.inspector-close:hover { color: var(--foam); }
.inspector-title {
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--foam);
  margin-bottom: 0.45rem;
}
.inspector-desc {
  font-size: 0.8rem;
  color: var(--ink);
  line-height: 1.5;
  margin-bottom: 0.8rem;
  opacity: 0.88;
}
.inspector-dl {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 0.35rem 0.8rem;
  font-size: 0.74rem;
  border-top: 1px solid var(--border);
  padding-top: 0.6rem;
}
.inspector-dl dt { color: var(--mute); font-family: "IBM Plex Mono", monospace; }
.inspector-dl dd { color: var(--gold); }

/* CTA Button */
.cta {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  margin-top: 0.8rem;
  padding: 0.6rem 1.2rem;
  border: 1px solid var(--tide);
  border-radius: 8px;
  background: rgba(30, 200, 255, 0.08);
  color: var(--foam);
  font-size: 0.85rem;
  font-weight: 500;
  letter-spacing: 0.02em;
  cursor: pointer;
  transition: all 0.25s ease;
}
.cta:hover {
  background: rgba(30, 200, 255, 0.2);
  border-color: var(--foam);
  box-shadow: 0 0 20px rgba(30, 200, 255, 0.3);
  color: #fff;
}

/* Simple subpages & footer */
.page-simple { padding: 5.5rem 1.4rem 4rem; max-width: 52rem; margin: 0 auto; }
.page-simple h1 { font-size: 1.6rem; color: var(--foam); margin-bottom: 1.1rem; font-weight: 500; }
.page-simple p { color: var(--mute); margin-bottom: 0.9rem; line-height: 1.65; }
.site-footer {
  text-align: center; padding: 2.4rem; color: var(--mute); font-size: 0.74rem;
  border-top: 1px solid var(--border); background: var(--bg0);
  position: relative; z-index: 20;
}

@media (max-width: 768px) {
  .nav { gap: 0.75rem; }
  .telemetry-hud { display: none; }
  .depth-navigator { width: 92vw; justify-content: space-between; overflow-x: auto; }
  .depth-btn { padding: 0.25rem 0.5rem; font-size: 0.68rem; }
  .rabbit-card { max-width: 100%; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  #glass3d { display: none; }
  .telemetry-hud, .depth-navigator { display: none; }
  .rabbit-panel { min-height: auto; padding: 3rem 0; }
}