/* =====================================================
   Putting Quantum Idealism to the Test
   Light cosmic theme + embryo/qualia warm accents
   Built for a 30–60 minute Zoom presentation walk-through
   ===================================================== */

/* ---------- 1. Tokens ---------- */
:root {
  /* Surface */
  --bg: #fbfbfd;
  --bg-soft: #f3f4f8;
  --bg-warm: #fdf6ef;
  --card: #ffffff;
  --border: rgba(20, 24, 60, 0.08);
  --border-strong: rgba(20, 24, 60, 0.16);

  /* Ink */
  --ink: #0d0f23;
  --ink-2: #2a2d4a;
  --ink-3: #565a7a;
  --ink-muted: #8b8fa8;

  /* Aurora (cool — possibility/consciousness) */
  --aurora-1: #b8a6f5;
  --aurora-2: #8fc6f5;
  --aurora-3: #a7e7d6;
  --aurora-4: #f5c2c2;
  --aurora-5: #e9d7ff;

  /* Embryo (warm — life/qualia) */
  --warm-1: #f08a6e;     /* coral */
  --warm-2: #e85f4d;     /* deep coral */
  --warm-3: #f6c453;     /* yolk gold */
  --warm-4: #f9a8a0;     /* pink flesh */

  /* Brand */
  --accent: #5b4cf0;
  --accent-2: #2eb1c8;
  --accent-warm: #e85f4d;

  /* Type */
  --font-serif: "Fraunces", "Cormorant Garamond", Georgia, serif;
  --font-sans:  "Inter", "Helvetica Neue", system-ui, -apple-system, sans-serif;

  /* Layout */
  --maxw: 1200px;
  --gutter: clamp(1.25rem, 4vw, 2.5rem);
  --radius: 18px;
  --radius-sm: 10px;
  --radius-lg: 28px;

  /* Motion */
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --ease-soft: cubic-bezier(0.4, 0, 0.2, 1);
}

/* ---------- 2. Reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 17px;
  line-height: 1.6;
  color: var(--ink-2);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}
img, svg, video { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; }
button { font: inherit; cursor: pointer; border: 0; background: none; color: inherit; }
ul { list-style: none; padding: 0; margin: 0; }
kbd {
  font-family: var(--font-sans);
  font-size: 0.78em;
  padding: 0.15em 0.45em;
  border-radius: 6px;
  background: var(--bg-soft);
  border: 1px solid var(--border);
  color: var(--ink-2);
}

/* ---------- 3. Background ---------- */
.aurora-bg {
  position: fixed;
  inset: 0;
  z-index: -2;
  overflow: hidden;
  pointer-events: none;
}
.aurora-bg::before,
.aurora-bg::after,
.aurora-bg span {
  content: "";
  position: absolute;
  width: 60vmax;
  height: 60vmax;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.55;
  mix-blend-mode: multiply;
  animation: drift 28s var(--ease-soft) infinite alternate;
}
.aurora-bg::before {
  background: radial-gradient(circle at 30% 30%, var(--aurora-1), transparent 60%);
  top: -20vmax; left: -10vmax;
  animation-duration: 32s;
}
.aurora-bg::after {
  background: radial-gradient(circle at 70% 60%, var(--aurora-2), transparent 60%);
  bottom: -25vmax; right: -15vmax;
  animation-duration: 38s;
  animation-delay: -8s;
}
.aurora-bg span {
  background: radial-gradient(circle at 50% 50%, var(--aurora-3), transparent 65%);
  top: 30vmax; left: 40vmax;
  animation-duration: 44s;
  animation-delay: -16s;
  opacity: 0.35;
}
.aurora-bg span.warm {
  background: radial-gradient(circle at 50% 50%, var(--warm-4), transparent 65%);
  top: -10vmax; left: 50vmax;
  width: 55vmax; height: 55vmax;
  animation-duration: 36s;
  animation-delay: -12s;
  opacity: 0.35;
}
@keyframes drift {
  0%   { transform: translate(0, 0)   scale(1)   rotate(0deg); }
  50%  { transform: translate(8vmax, -6vmax) scale(1.15) rotate(40deg); }
  100% { transform: translate(-6vmax, 4vmax)  scale(0.95) rotate(-30deg); }
}
#particles {
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
}

/* ---------- 4. Typography ---------- */
h1, h2, h3, h4 {
  font-family: var(--font-serif);
  font-weight: 400;
  color: var(--ink);
  letter-spacing: -0.02em;
  line-height: 1.08;
  margin: 0 0 0.5em;
  font-variation-settings: "opsz" 96, "SOFT" 50;
}
h1 { font-size: clamp(2.6rem, 6vw, 5.2rem); }
h2 { font-size: clamp(2rem, 4.4vw, 3.6rem); }
h3 { font-size: clamp(1.4rem, 2.4vw, 1.95rem); }
h4 { font-size: 1.15rem; letter-spacing: 0.02em; }

h1 em, h2 em, h3 em {
  font-style: italic;
  background: linear-gradient(90deg, var(--accent), var(--accent-warm));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  /* Italic glyphs overhang the box; give each wrapped line room so the
     gradient mask covers the full slant on every line. */
  padding: 0 0.12em;
  -webkit-box-decoration-break: clone;
  box-decoration-break: clone;
}
h4 em {
  font-style: italic;
  color: var(--accent);
}

/* Global fix for any gradient-clipped italic text (covers wrapped lines
   too, via box-decoration-break: clone). */
.glow,
.eyebrow,
.logo em,
.pull em,
.callout .signature,
.parable .parable-close,
.oe-foot em,
.big-word,
.exp-num,
.hero h1 em,
.stack-rows li.root span {
  padding: 0 0.12em;
  -webkit-box-decoration-break: clone;
  box-decoration-break: clone;
}

.eyebrow {
  display: inline-block;
  font-family: var(--font-sans);
  font-size: 0.78rem;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent);
  background: linear-gradient(90deg, var(--accent), var(--accent-warm));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  margin-bottom: 1.25rem;
}

.glow {
  background: linear-gradient(90deg, var(--ink) 0%, #1a1a40 35%, var(--accent) 55%, var(--accent-warm) 75%, #1a1a40 95%);
  background-size: 200% 100%;
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  animation: shimmer 14s linear infinite;
  text-shadow: 0 6px 60px rgba(91, 76, 240, 0.18);
}
@keyframes shimmer {
  0%   { background-position: 0% 50%; }
  100% { background-position: 200% 50%; }
}

p { margin: 0 0 1em; color: var(--ink-2); }
p em { font-style: italic; color: var(--ink); }
p.lead {
  font-size: clamp(1.15rem, 1.7vw, 1.4rem);
  line-height: 1.55;
  color: var(--ink-2);
  max-width: 64ch;
}
p.big {
  font-family: var(--font-serif);
  font-size: clamp(1.3rem, 2.2vw, 1.8rem);
  font-weight: 300;
  line-height: 1.35;
  color: var(--ink);
  font-style: italic;
  letter-spacing: -0.01em;
  max-width: 30ch;
}
.kicker {
  margin-top: 3rem;
  font-family: var(--font-serif);
  font-size: 1.15rem;
  color: var(--ink-3);
  font-style: italic;
}

/* ---------- 5. Layout ---------- */
.container {
  width: 100%;
  max-width: var(--maxw);
  margin: 0 auto;
  padding-left: var(--gutter);
  padding-right: var(--gutter);
}
section { position: relative; }
.section-pad { padding-top: clamp(5rem, 9vw, 9rem); padding-bottom: clamp(5rem, 9vw, 9rem); }
.section-header { max-width: 760px; margin-bottom: 4rem; }
.grid { display: grid; gap: 2rem; }
.grid.cols-2 { grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); }
.grid.cols-3 { grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); }
.grid.cols-4 { grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); }

/* ---------- 6. Header / nav ---------- */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  padding: 1.1rem 0;
  backdrop-filter: blur(14px) saturate(140%);
  -webkit-backdrop-filter: blur(14px) saturate(140%);
  background: rgba(251, 251, 253, 0.6);
  border-bottom: 1px solid transparent;
  transition: background 0.4s var(--ease), border-color 0.4s var(--ease), padding 0.4s var(--ease);
}
.site-header.scrolled {
  background: rgba(251, 251, 253, 0.85);
  border-bottom-color: var(--border);
  padding: 0.75rem 0;
}
.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
}
.logo {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  font-family: var(--font-serif);
  font-size: 1.2rem;
  color: var(--ink);
  letter-spacing: -0.01em;
}
.logo em {
  font-style: italic;
  background: linear-gradient(90deg, var(--accent), var(--accent-warm));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  padding: 0 0.05em;
}
.logo-mark {
  width: 34px; height: 34px;
  border-radius: 50%;
  background: conic-gradient(from 220deg,
    var(--aurora-1), var(--aurora-2), var(--aurora-3),
    var(--warm-1), var(--warm-3), var(--aurora-1));
  position: relative;
  box-shadow: 0 0 24px rgba(232, 95, 77, 0.22);
  flex-shrink: 0;
  display: inline-block;
}
.logo-mark::after {
  content: "";
  position: absolute;
  inset: 7px;
  background: var(--bg);
  border-radius: 50%;
}
.logo-mark::before {
  content: "";
  position: absolute;
  inset: 11px;
  background: radial-gradient(circle, var(--accent-warm), transparent 70%);
  border-radius: 50%;
  z-index: 1;
  animation: pulse 4s var(--ease-soft) infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 0.7; transform: scale(0.9); }
  50%      { opacity: 1;   transform: scale(1.05); }
}
.nav-links {
  display: flex;
  align-items: center;
  gap: 1.7rem;
}
.nav-links a {
  font-size: 0.9rem;
  color: var(--ink-2);
  position: relative;
  transition: color 0.3s;
}
.nav-links a:not(.btn)::after {
  content: "";
  position: absolute;
  left: 0; bottom: -4px;
  width: 100%; height: 1px;
  background: linear-gradient(90deg, var(--accent), var(--accent-warm));
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 0.4s var(--ease);
}
.nav-links a:not(.btn):hover { color: var(--ink); }
.nav-links a:not(.btn):hover::after {
  transform: scaleX(1);
  transform-origin: left;
}

.nav-toggle {
  display: none;
  width: 40px; height: 40px;
  position: relative;
}
.nav-toggle span {
  position: absolute;
  left: 8px; right: 8px;
  height: 1.5px;
  background: var(--ink);
  transition: transform 0.4s var(--ease), opacity 0.3s;
}
.nav-toggle span:nth-child(1) { top: 14px; }
.nav-toggle span:nth-child(2) { top: 19px; }
.nav-toggle span:nth-child(3) { top: 24px; }
.nav-toggle.open span:nth-child(1) { transform: translateY(5px) rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: translateY(-5px) rotate(-45deg); }

@media (max-width: 1020px) {
  .nav-toggle { display: block; }
  .nav-links {
    position: fixed;
    top: 0; right: 0;
    height: 100dvh;
    width: min(78vw, 320px);
    flex-direction: column;
    align-items: flex-start;
    justify-content: center;
    gap: 1.5rem;
    padding: 2rem;
    background: rgba(255,255,255,0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    transform: translateX(100%);
    transition: transform 0.5s var(--ease);
    border-left: 1px solid var(--border);
  }
  .nav-links.open { transform: translateX(0); }
  .nav-links a { font-size: 1.2rem; }
}

/* ---------- 6b. Side dot nav (presenter) ---------- */
.dot-nav {
  position: fixed;
  top: 50%;
  right: clamp(0.75rem, 2vw, 2rem);
  transform: translateY(-50%);
  z-index: 90;
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
}
.dot-nav li a {
  display: block;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: rgba(20, 24, 60, 0.18);
  position: relative;
  transition: background 0.3s var(--ease), transform 0.3s var(--ease);
}
.dot-nav li a:hover {
  background: var(--accent);
  transform: scale(1.4);
}
.dot-nav li a.active {
  background: linear-gradient(135deg, var(--accent), var(--accent-warm));
  box-shadow: 0 0 14px rgba(91, 76, 240, 0.5);
  transform: scale(1.4);
}
.dot-nav li a::after {
  content: attr(data-label);
  position: absolute;
  right: 22px;
  top: 50%;
  transform: translateY(-50%) translateX(6px);
  font-family: var(--font-sans);
  font-size: 0.74rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-2);
  background: rgba(255,255,255,0.92);
  border: 1px solid var(--border);
  padding: 0.3rem 0.6rem;
  border-radius: 999px;
  opacity: 0;
  pointer-events: none;
  white-space: nowrap;
  transition: opacity 0.3s var(--ease), transform 0.3s var(--ease);
}
.dot-nav li a:hover::after,
.dot-nav li a.active::after {
  opacity: 1;
  transform: translateY(-50%) translateX(0);
}
@media (max-width: 900px) { .dot-nav { display: none; } }

/* ---------- 7. Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  padding: 0.9rem 1.5rem;
  border-radius: 999px;
  font-size: 0.92rem;
  font-weight: 500;
  letter-spacing: 0.02em;
  transition: transform 0.3s var(--ease), box-shadow 0.3s, background 0.3s, color 0.3s;
  position: relative;
  overflow: hidden;
  white-space: nowrap;
}
.btn.primary {
  background: linear-gradient(120deg, var(--ink) 0%, #2a2052 100%);
  color: #fff;
  box-shadow: 0 14px 40px -10px rgba(91, 76, 240, 0.45);
}
.btn.primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 18px 50px -10px rgba(232, 95, 77, 0.55);
}
.btn.primary::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(120deg, var(--accent), var(--accent-warm));
  opacity: 0;
  transition: opacity 0.4s;
}
.btn.primary:hover::before { opacity: 1; }
.btn.primary span { position: relative; z-index: 1; }
.btn.ghost {
  background: transparent;
  color: var(--ink);
  border: 1px solid var(--border-strong);
}
.btn.ghost:hover {
  border-color: var(--ink);
  background: var(--ink);
  color: #fff;
}
.btn .arrow { display: inline-block; transition: transform 0.3s var(--ease); }
.btn:hover .arrow { transform: translateX(4px); }

/* ---------- 8. Hero ---------- */
.hero {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 8rem 0 6rem;
  position: relative;
}
#hero-field {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 0;
}
.hero > *:not(#hero-field) {
  position: relative;
  z-index: 1;
}
.hero h1 { max-width: 18ch; margin-bottom: 1.5rem; }
.hero p.lead { max-width: 60ch; }
@media (max-width: 820px) {
  #hero-field { opacity: 0.55; }
}
.hero-eyebrow {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  margin-bottom: 1.75rem;
  opacity: 0;
  transform: translateY(20px);
  animation: rise 1.2s var(--ease) 0.2s forwards;
}
.hero-eyebrow .dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--accent-warm);
  box-shadow: 0 0 14px var(--accent-warm);
  animation: pulse 2.4s var(--ease-soft) infinite;
}
.hero-eyebrow span {
  font-size: 0.8rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--ink-3);
}
.hero h1 {
  opacity: 0;
  transform: translateY(30px);
  animation: rise 1.4s var(--ease) 0.4s forwards;
}
.hero p.lead {
  opacity: 0;
  transform: translateY(30px);
  animation: rise 1.4s var(--ease) 0.65s forwards;
}
.hero-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-top: 2.5rem;
  opacity: 0;
  transform: translateY(30px);
  animation: rise 1.4s var(--ease) 0.9s forwards;
  position: relative;
  z-index: 5;
  pointer-events: auto;
}
.hero-cta .btn { pointer-events: auto; position: relative; z-index: 5; }
@keyframes rise { to { opacity: 1; transform: translateY(0); } }

.hero-meta {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 1.5rem 2.5rem;
  margin-top: 3.5rem;
  padding-top: 2rem;
  border-top: 1px solid var(--border);
  max-width: 900px;
  opacity: 0;
  transform: translateY(30px);
  animation: rise 1.4s var(--ease) 1.15s forwards;
}
.hero-meta > div {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
}
.hero-meta .k {
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-muted);
}
.hero-meta .v {
  font-family: var(--font-serif);
  font-size: 1.05rem;
  color: var(--ink);
  letter-spacing: -0.01em;
}

/* Honest framing — its own section just below the hero */
.honest-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.25rem;
}
.honest-card {
  padding: 1.7rem 1.8rem;
  background: var(--card);
  border: 1px solid var(--border);
  border-top: 3px solid;
  border-image: linear-gradient(to right, var(--accent), var(--accent-warm)) 1;
  border-radius: var(--radius);
  transition: transform 0.4s var(--ease), border-color 0.3s, box-shadow 0.4s;
  position: relative;
  overflow: hidden;
}
.honest-card::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 100% 0%, rgba(232,95,77,0.06), transparent 55%);
  pointer-events: none;
}
.honest-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 24px 50px -24px rgba(20,24,60,0.25);
}
.hc-num {
  font-family: var(--font-serif);
  font-size: 0.85rem;
  letter-spacing: 0.22em;
  color: var(--ink-muted);
  margin-bottom: 0.85rem;
  font-weight: 400;
}
.honest-card h3 {
  font-size: 1.4rem;
  margin-bottom: 0.85rem;
}
.honest-card p {
  font-size: 0.95rem;
  color: var(--ink-3);
  line-height: 1.6;
  margin: 0;
}
.honest-card p em {
  font-style: italic;
  color: var(--ink);
}

.honest-foot {
  margin-top: 2.5rem;
  text-align: center;
  font-family: var(--font-serif);
  font-style: italic;
  font-size: clamp(1.05rem, 1.7vw, 1.3rem);
  color: var(--ink);
  font-weight: 300;
  max-width: 760px;
  margin-left: auto;
  margin-right: auto;
  line-height: 1.55;
}
.honest-foot em {
  background: linear-gradient(90deg, var(--accent), var(--accent-warm));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  font-style: italic;
  padding: 0 0.1em;
  -webkit-box-decoration-break: clone;
  box-decoration-break: clone;
}

.hero-scroll {
  position: absolute;
  bottom: 2.5rem; left: 50%;
  transform: translateX(-50%);
  font-size: 0.7rem;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--ink-muted);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.75rem;
  opacity: 0;
  animation: fade 1s var(--ease) 1.6s forwards;
  pointer-events: none;
}
.hero-scroll::after {
  content: "";
  width: 1px; height: 56px;
  background: linear-gradient(to bottom, var(--ink-3), transparent);
  animation: scrollPulse 2.4s var(--ease-soft) infinite;
}
@keyframes scrollPulse {
  0%   { transform: scaleY(0); transform-origin: top; }
  50%  { transform: scaleY(1); transform-origin: top; }
  51%  { transform: scaleY(1); transform-origin: bottom; }
  100% { transform: scaleY(0); transform-origin: bottom; }
}
@keyframes fade { to { opacity: 1; } }

/* ---------- 9. Reveal ---------- */
.reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 1.1s var(--ease), transform 1.1s var(--ease);
}
.reveal.in { opacity: 1; transform: translateY(0); }
.reveal.delay-1 { transition-delay: 0.1s; }
.reveal.delay-2 { transition-delay: 0.2s; }
.reveal.delay-3 { transition-delay: 0.3s; }
.reveal.delay-4 { transition-delay: 0.4s; }

/* ---------- 10. Question tag ---------- */
.question-tag {
  display: inline-block;
  font-family: var(--font-sans);
  font-size: 0.74rem;
  font-weight: 600;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  padding: 0.45rem 1rem;
  border-radius: 999px;
  background: linear-gradient(120deg, rgba(91,76,240,0.08), rgba(232,95,77,0.08));
  color: var(--ink);
  margin-bottom: 1.5rem;
  border: 1px solid var(--border);
}

/* ---------- 10b. Why-quantum theory funnel (Section 3) ---------- */
.funnel {
  margin: 3rem 0 2rem;
  display: grid;
  grid-template-columns: minmax(260px, 1fr) 1.7fr;
  gap: 2rem;
  align-items: stretch;
}
@media (max-width: 980px) { .funnel { grid-template-columns: 1fr; } }

.filters {
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
}
.filter-btn {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 1.2rem;
  align-items: center;
  padding: 1.1rem 1.3rem;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  cursor: pointer;
  text-align: left;
  position: relative;
  transition: transform 0.4s var(--ease), border-color 0.3s, box-shadow 0.4s, background 0.4s;
  font-family: var(--font-sans);
}
.filter-btn:hover { transform: translateX(3px); border-color: var(--border-strong); box-shadow: 0 14px 30px -16px rgba(20,24,60,0.22); }
.fb-num {
  font-family: var(--font-serif);
  font-size: 1.6rem;
  color: var(--ink-muted);
  font-weight: 400;
  letter-spacing: -0.02em;
  width: 32px; height: 32px;
  display: flex; align-items: center; justify-content: center;
  border-radius: 50%;
  background: var(--bg-soft);
  border: 1px solid var(--border);
  transition: background 0.3s, color 0.3s, border-color 0.3s;
}
.fb-text { display: flex; flex-direction: column; gap: 0.2rem; }
.fb-title {
  font-family: var(--font-serif);
  font-size: 1.05rem;
  color: var(--ink);
  letter-spacing: -0.01em;
  font-weight: 500;
}
.fb-title em {
  font-style: italic;
  background: linear-gradient(90deg, var(--accent), var(--accent-warm));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  padding: 0 0.1em;
  -webkit-box-decoration-break: clone;
  box-decoration-break: clone;
}
.fb-sub {
  font-size: 0.82rem;
  color: var(--ink-3);
  font-style: italic;
}

/* Active state */
.filter-btn[aria-pressed="true"] {
  background: linear-gradient(120deg, var(--ink) 0%, #2a2052 100%);
  border-color: var(--ink);
  color: #fff;
  box-shadow: 0 14px 30px -10px rgba(232,95,77,0.35);
}
.filter-btn[aria-pressed="true"] .fb-title { color: #fff; }
.filter-btn[aria-pressed="true"] .fb-title em {
  -webkit-text-fill-color: transparent;
  background: linear-gradient(90deg, var(--warm-1), var(--warm-3));
  -webkit-background-clip: text;
  background-clip: text;
}
.filter-btn[aria-pressed="true"] .fb-sub { color: rgba(255,255,255,0.72); }
.filter-btn[aria-pressed="true"] .fb-num {
  background: var(--accent-warm);
  border-color: var(--accent-warm);
  color: #fff;
  box-shadow: 0 0 14px rgba(232,95,77,0.5);
}

/* Swarm stage */
.swarm-stage {
  position: relative;
  aspect-ratio: 16 / 11;
  background:
    radial-gradient(ellipse at 30% 30%, rgba(184,166,245,0.10), transparent 55%),
    radial-gradient(ellipse at 70% 70%, rgba(232,95,77,0.08), transparent 55%),
    var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: 0 30px 60px -30px rgba(20,24,60,0.22);
}
.swarm-stage canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  display: block;
}
.swarm-readout {
  position: absolute;
  top: 1rem;
  left: 1.2rem;
  background: rgba(255,255,255,0.85);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 0.9rem 1.1rem;
  pointer-events: none;
  max-width: 60%;
}
.sr-count {
  display: flex;
  align-items: baseline;
  gap: 0.5rem;
  margin-bottom: 0.25rem;
}
.sr-num {
  font-family: var(--font-serif);
  font-size: clamp(2rem, 3.6vw, 2.6rem);
  font-weight: 400;
  color: var(--ink);
  letter-spacing: -0.02em;
  line-height: 1;
  background: linear-gradient(90deg, var(--accent), var(--accent-warm));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  transition: all 0.4s var(--ease);
}
.sr-denom {
  font-size: 0.92rem;
  color: var(--ink-3);
  font-family: var(--font-serif);
  font-style: italic;
}
.sr-label {
  font-size: 0.82rem;
  letter-spacing: 0.06em;
  color: var(--ink-2);
  font-family: var(--font-sans);
}

.swarm-legend {
  position: absolute;
  bottom: 0.9rem;
  left: 1rem;
  right: 1rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem 0.9rem;
  font-size: 0.74rem;
  color: var(--ink-2);
  background: rgba(255,255,255,0.78);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 0.45rem 0.9rem;
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  pointer-events: none;
  justify-content: center;
}
.swarm-legend > span { display: flex; align-items: center; gap: 0.35rem; white-space: nowrap; }
.swarm-legend .leg-d {
  width: 9px; height: 9px;
  border-radius: 50%;
}

.funnel-detail {
  grid-column: 1 / -1;
  padding: 1.4rem 1.6rem;
  background: var(--bg-soft);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 0.92rem;
  color: var(--ink-3);
  line-height: 1.55;
}
.funnel-detail p { margin: 0; }
.funnel-detail em { color: var(--ink); font-style: italic; }

/* Conclusion panel — appears when all three filters are on */
.funnel-conclusion {
  margin-top: 2rem;
  padding: 2rem clamp(1.5rem, 4vw, 2.5rem);
  border-radius: var(--radius-lg);
  background:
    radial-gradient(circle at 0% 0%, rgba(246,196,83,0.10), transparent 55%),
    radial-gradient(circle at 100% 100%, rgba(232,95,77,0.12), transparent 55%),
    var(--card);
  border: 1px solid var(--border);
  box-shadow: 0 30px 60px -30px rgba(232,95,77,0.25);
  opacity: 0.45;
  transition: opacity 0.6s var(--ease), transform 0.6s var(--ease);
  transform: translateY(8px);
}
.funnel-conclusion.active {
  opacity: 1;
  transform: translateY(0);
}
.fc-tag {
  font-size: 0.72rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  font-weight: 600;
  color: var(--accent-warm);
  margin-bottom: 0.6rem;
}
.funnel-conclusion h3 { margin-bottom: 1rem; }
.funnel-conclusion p { color: var(--ink-2); max-width: 70ch; }
.funnel-conclusion p em { color: var(--ink); font-style: italic; }
.fc-sub {
  margin-top: 1.2rem;
  font-size: 0.92rem;
  color: var(--ink-3);
  padding-top: 1rem;
  border-top: 1px solid var(--border);
}

/* ---------- 11. Prologue · urgency list ---------- */
.urgency {
  display: flex;
  flex-direction: column;
  gap: 1.2rem;
}
.urgency li {
  display: flex;
  align-items: flex-start;
  gap: 1.1rem;
  padding: 1.3rem 1.4rem;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  transition: transform 0.4s var(--ease), border-color 0.4s;
}
.urgency li:hover {
  transform: translateX(4px);
  border-color: var(--border-strong);
}
.u-icon {
  width: 42px; height: 42px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--aurora-5), var(--warm-4));
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
}
.u-icon::after { content: attr(data-icon); }
.urgency strong { color: var(--ink); display: block; margin-bottom: 0.2rem; }

/* ---------- 12. Paradigm shift columns ---------- */
.paradigm {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 0;
  margin: 4rem 0 3rem;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: 0 30px 60px -30px rgba(20,24,60,0.18);
}
.paradigm-col {
  padding: clamp(2rem, 4vw, 3.5rem);
  position: relative;
}
.paradigm-col.old {
  background: linear-gradient(135deg, rgba(143,198,245,0.06), rgba(184,166,245,0.04));
}
.paradigm-col.new {
  background: linear-gradient(135deg, rgba(245,164,154,0.10), rgba(246,196,83,0.08));
}
.paradigm-col h3 { font-size: clamp(1.5rem, 2.6vw, 2.1rem); margin-bottom: 1.5rem; }
.paradigm-col .p-eyebrow {
  font-size: 0.7rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--ink-muted);
  margin-bottom: 1rem;
  font-weight: 600;
}
.paradigm-col.old .p-eyebrow { color: var(--ink-3); }
.paradigm-col.new .p-eyebrow {
  background: linear-gradient(90deg, var(--warm-2), var(--warm-3));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.paradigm-col ul { display: flex; flex-direction: column; gap: 0.8rem; }
.paradigm-col li {
  padding-left: 1.2rem;
  position: relative;
  font-size: 0.96rem;
  line-height: 1.55;
  color: var(--ink-2);
}
.paradigm-col li::before {
  content: "";
  position: absolute;
  left: 0; top: 0.65em;
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--ink-muted);
}
.paradigm-col.new li::before {
  background: linear-gradient(135deg, var(--warm-2), var(--warm-3));
}
.paradigm-divider {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0 1rem;
  font-size: 2rem;
  color: var(--accent-warm);
  position: relative;
}
.paradigm-divider::before {
  content: "";
  position: absolute;
  top: 10%; bottom: 10%;
  left: 50%;
  width: 1px;
  background: linear-gradient(to bottom, transparent, var(--border-strong), transparent);
}
.paradigm-divider span {
  position: relative;
  width: 56px; height: 56px;
  border-radius: 50%;
  background: var(--card);
  border: 1px solid var(--border-strong);
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-serif);
  box-shadow: 0 8px 24px rgba(20,24,60,0.12);
}
@media (max-width: 820px) {
  .paradigm { grid-template-columns: 1fr; }
  .paradigm-divider { padding: 1rem 0; }
  .paradigm-divider::before { display: none; }
}

/* ---------- 13. Claim card ---------- */
.claim-card {
  margin-top: 3.5rem;
  display: grid;
  grid-template-columns: auto 1fr;
  gap: clamp(1.5rem, 4vw, 3.5rem);
  align-items: center;
  padding: clamp(2rem, 4vw, 3.5rem);
  border-radius: var(--radius-lg);
  background:
    radial-gradient(circle at 0% 50%, rgba(232,95,77,0.10), transparent 50%),
    radial-gradient(circle at 100% 50%, rgba(91,76,240,0.08), transparent 50%),
    var(--card);
  border: 1px solid var(--border);
  box-shadow: 0 30px 60px -30px rgba(20,24,60,0.2);
}
.claim-symbol {
  display: flex;
  align-items: center;
  gap: 1rem;
  font-family: var(--font-serif);
  font-size: clamp(3rem, 7vw, 5rem);
  line-height: 1;
  letter-spacing: -0.04em;
  color: var(--ink);
  font-weight: 300;
}
.claim-symbol .claim-eq {
  font-size: 0.6em;
  color: var(--ink-muted);
}
.claim-symbol .claim-red {
  color: var(--warm-2);
  text-shadow: 0 0 30px rgba(232,95,77,0.4);
}
.claim-symbol .claim-psi {
  color: var(--ink);
  font-style: italic;
  letter-spacing: -0.02em;
  /* No gradient — black ψ as requested */
}
@media (max-width: 700px) {
  .claim-card { grid-template-columns: 1fr; text-align: left; }
}

/* ---------- 13b. Stack (Faggin/D'Ariano hierarchy) ---------- */
.stack {
  margin-top: 3.5rem;
  padding: clamp(1.8rem, 3vw, 2.5rem);
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  max-width: 720px;
  box-shadow: 0 30px 60px -30px rgba(20,24,60,0.18);
}
.stack-eyebrow {
  font-size: 0.72rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--ink-muted);
  font-weight: 600;
  margin-bottom: 1.2rem;
}
.stack-rows {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  margin-bottom: 1.2rem;
  counter-reset: stack;
}
.stack-rows li {
  display: grid;
  grid-template-columns: 1.6rem 1fr auto;
  align-items: center;
  gap: 1rem;
  padding: 0.9rem 1.1rem;
  background: linear-gradient(120deg, rgba(143,198,245,0.08), rgba(184,166,245,0.04));
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  font-family: var(--font-serif);
  font-size: 1.1rem;
  color: var(--ink);
  counter-increment: stack;
  position: relative;
  transition: transform 0.3s var(--ease);
}
.stack-rows li::before {
  content: counter(stack);
  font-family: var(--font-serif);
  font-size: 0.85rem;
  color: var(--ink-muted);
  letter-spacing: 0.04em;
}
.stack-rows li:hover { transform: translateX(4px); }
.stack-rows li em {
  font-style: italic;
  font-size: 0.92rem;
  font-family: var(--font-sans);
  color: var(--ink-3);
  font-weight: 400;
}
.stack-rows li.root {
  background: linear-gradient(120deg, rgba(232,95,77,0.14), rgba(246,196,83,0.10));
  border-color: rgba(232,95,77,0.30);
}
.stack-rows li.root span {
  background: linear-gradient(90deg, var(--warm-2), var(--warm-3));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  font-weight: 500;
}
.stack-rows li.root em strong {
  color: var(--ink);
  font-weight: 600;
}
.stack-foot {
  font-size: 0.88rem;
  color: var(--ink-3);
  margin: 0;
  line-height: 1.5;
}
.stack-foot em { color: var(--ink-muted); font-style: italic; }

/* ---------- 14. Branching visualization ---------- */
.branching-vis {
  aspect-ratio: 1 / 1;
  position: relative;
  border-radius: var(--radius);
  background:
    radial-gradient(circle at 30% 30%, rgba(184,166,245,0.18), transparent 55%),
    radial-gradient(circle at 70% 70%, rgba(143,198,245,0.18), transparent 55%),
    var(--card);
  border: 1px solid var(--border);
  overflow: hidden;
  box-shadow: 0 30px 60px -30px rgba(20,24,60,0.2);
}
.branching-vis canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}
.b-legend {
  position: absolute;
  bottom: 1rem;
  left: 1rem;
  right: 1rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem 1.4rem;
  font-size: 0.78rem;
  color: var(--ink-2);
  background: rgba(255,255,255,0.7);
  backdrop-filter: blur(6px);
  padding: 0.5rem 0.8rem;
  border-radius: 8px;
  border: 1px solid var(--border);
}
.b-legend > div { display: flex; align-items: center; gap: 0.4rem; }
.b-legend .dot {
  width: 8px; height: 8px; border-radius: 50%;
}
.b-legend .dot.live { background: var(--accent-warm); box-shadow: 0 0 6px var(--accent-warm); }
.b-legend .dot.ghost { background: var(--ink-muted); }
.b-legend .dot.future { background: var(--accent); box-shadow: 0 0 6px var(--accent); }

/* ---------- 13c. Pyramid of reality (Section 2) ---------- */
.pyramid-wrap {
  margin: 4.5rem auto 0;
  max-width: 720px;
  text-align: center;
}
.pyramid-eyebrow {
  display: inline-block;
  font-size: 0.74rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  font-weight: 600;
  color: var(--accent);
  background: linear-gradient(90deg, var(--accent), var(--accent-warm));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  margin-bottom: 1rem;
}
.pyramid-lede {
  font-family: var(--font-serif);
  font-size: clamp(1.1rem, 1.7vw, 1.3rem);
  line-height: 1.5;
  color: var(--ink);
  font-style: italic;
  font-weight: 300;
  max-width: 52ch;
  margin: 0 auto 2.5rem;
}
.pyramid-lede em {
  font-style: italic;
  background: linear-gradient(90deg, var(--warm-2), var(--warm-3));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  padding: 0 0.1em;
  -webkit-box-decoration-break: clone;
  box-decoration-break: clone;
}
/* Toggle pill */
.pyramid-toggle {
  display: inline-flex;
  gap: 0;
  background: var(--card);
  border: 1px solid var(--border-strong);
  border-radius: 999px;
  padding: 0.3rem;
  margin: 0 auto 2rem;
  box-shadow: 0 14px 30px -16px rgba(20,24,60,0.22);
}
.pyr-btn {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 0.6rem 1.4rem;
  border-radius: 999px;
  background: transparent;
  color: var(--ink-3);
  cursor: pointer;
  transition: background 0.4s var(--ease), color 0.3s, transform 0.3s var(--ease);
  border: 0;
  font-family: var(--font-sans);
  line-height: 1.15;
}
.pyr-btn-title {
  font-family: var(--font-serif);
  font-size: 1.05rem;
  letter-spacing: -0.01em;
  color: var(--ink-3);
  transition: color 0.3s;
}
.pyr-btn-sub {
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-top: 0.15rem;
  color: var(--ink-muted);
  transition: color 0.3s;
}
.pyr-btn.active {
  background: linear-gradient(120deg, var(--ink), #2a2052);
  color: #fff;
  box-shadow: 0 8px 22px -10px rgba(91,76,240,0.5);
}
.pyr-btn.active .pyr-btn-title,
.pyr-btn.active .pyr-btn-sub { color: #fff; }
.pyr-btn:hover:not(.active) .pyr-btn-title { color: var(--ink); }

/* Pyramid container */
.pyramid {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.4rem;
  margin: 0 auto 0.5rem;
  padding: 1.6rem 0;     /* leave room for the above/below badges */
  transition: transform 0.6s var(--ease);
}
.prow {
  display: grid;
  grid-template-columns: minmax(140px, auto) minmax(160px, 1fr);
  gap: 0.8rem 1.2rem;
  align-items: center;
  padding: 0.85rem 1.4rem;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 10px;
  text-align: left;
  font-family: var(--font-serif);
  font-size: 1rem;
  color: var(--ink);
  letter-spacing: -0.01em;
  box-shadow: 0 6px 18px -10px rgba(20,24,60,0.18);
  position: relative;
  transition:
    width 0.6s var(--ease),
    order 0.4s var(--ease),
    background 0.5s var(--ease),
    border-color 0.5s var(--ease),
    box-shadow 0.5s var(--ease),
    transform 0.4s var(--ease),
    opacity 0.4s var(--ease);
}
.prow:hover { transform: translateY(-1px); box-shadow: 0 14px 30px -16px rgba(20,24,60,0.25); }
.prow-name {
  font-family: var(--font-serif);
  font-size: 1.05rem;
  color: var(--ink);
  font-weight: 500;
}
.prow-note {
  font-family: var(--font-sans);
  font-style: italic;
  font-size: 0.88rem;
  color: var(--ink-3);
  font-weight: 400;
}
/* Show only the note that matches the current mode */
.prow-note-materialism { display: none; }
.pyramid[data-mode="materialism"] .prow-note-idealism { display: none; }
.pyramid[data-mode="materialism"] .prow-note-materialism { display: inline; }

/* Base width palette used by both modes */
.prow.w-38 { width: 38%; min-width: 280px; }
.prow.w-50 { width: 50%; min-width: 320px; }
.prow.w-62 { width: 62%; min-width: 360px; }
.prow.w-74 { width: 74%; min-width: 400px; }
.prow.w-86 { width: 86%; min-width: 440px; }
.prow.w-100 { width: 100%; }

/* ----- IDEALISM mode (default) ----- */
.pyramid[data-mode="idealism"] .prow[data-layer="psychology"]    { order: 1; width: 38%;  min-width: 280px;
  background: linear-gradient(120deg, rgba(143,198,245,0.06), rgba(184,166,245,0.04)); }
.pyramid[data-mode="idealism"] .prow[data-layer="biology"]       { order: 2; width: 50%;  min-width: 320px;
  background: linear-gradient(120deg, rgba(167,231,214,0.08), rgba(143,198,245,0.05)); }
.pyramid[data-mode="idealism"] .prow[data-layer="chemistry"]     { order: 3; width: 62%;  min-width: 360px;
  background: linear-gradient(120deg, rgba(184,166,245,0.08), rgba(167,231,214,0.05)); }
.pyramid[data-mode="idealism"] .prow[data-layer="quantum"]       { order: 4; width: 74%;  min-width: 400px;
  background: linear-gradient(120deg, rgba(233,215,255,0.10), rgba(184,166,245,0.06)); }
.pyramid[data-mode="idealism"] .prow[data-layer="information"]   { order: 5; width: 86%;  min-width: 440px;
  background: linear-gradient(120deg, rgba(245,194,194,0.10), rgba(184,166,245,0.06)); display: grid; }
.pyramid[data-mode="idealism"] .prow[data-layer="consciousness"] { order: 6; width: 100%;
  background: linear-gradient(120deg, rgba(232,95,77,0.14), rgba(246,196,83,0.10));
  border-color: rgba(232,95,77,0.30);
  box-shadow: 0 14px 36px -18px rgba(232,95,77,0.45);
}
.pyramid[data-mode="idealism"] .prow[data-layer="consciousness"] .prow-name {
  background: linear-gradient(90deg, var(--warm-2), var(--warm-3));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  font-weight: 600;
  padding: 0 0.1em;
  -webkit-box-decoration-break: clone;
  box-decoration-break: clone;
}
.pyramid[data-mode="idealism"] .prow[data-layer="consciousness"]::after {
  content: "the base of reality";
  position: absolute;
  left: 50%;
  top: 100%;
  transform: translate(-50%, 6px);
  font-family: var(--font-sans);
  font-size: 0.66rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  font-weight: 600;
  color: var(--warm-2);
  white-space: nowrap;
}

/* ----- MATERIALISM mode ----- */
.pyramid[data-mode="materialism"] .prow[data-layer="information"] { display: none; }
.pyramid[data-mode="materialism"] .prow[data-layer="consciousness"] { order: 1; width: 38%; min-width: 280px;
  background: linear-gradient(120deg, rgba(143,198,245,0.06), rgba(184,166,245,0.04));
  border-color: rgba(20,24,60,0.18);
  box-shadow: 0 6px 18px -10px rgba(20,24,60,0.18);
}
.pyramid[data-mode="materialism"] .prow[data-layer="consciousness"] .prow-name {
  background: none;
  -webkit-text-fill-color: var(--ink);
  color: var(--ink);
  font-weight: 500;
  padding: 0;
}
.pyramid[data-mode="materialism"] .prow[data-layer="consciousness"]::after {
  content: "an epiphenomenon";
  position: absolute;
  left: 50%;
  bottom: 100%;
  transform: translate(-50%, -6px);
  font-family: var(--font-sans);
  font-size: 0.66rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  font-weight: 600;
  color: var(--ink-muted);
  white-space: nowrap;
}
.pyramid[data-mode="materialism"] .prow[data-layer="psychology"]  { order: 2; width: 53%; min-width: 320px;
  background: linear-gradient(120deg, rgba(167,231,214,0.08), rgba(143,198,245,0.05)); }
.pyramid[data-mode="materialism"] .prow[data-layer="biology"]     { order: 3; width: 68%; min-width: 360px;
  background: linear-gradient(120deg, rgba(184,166,245,0.08), rgba(167,231,214,0.05)); }
.pyramid[data-mode="materialism"] .prow[data-layer="chemistry"]   { order: 4; width: 83%; min-width: 400px;
  background: linear-gradient(120deg, rgba(233,215,255,0.10), rgba(184,166,245,0.06)); }
.pyramid[data-mode="materialism"] .prow[data-layer="quantum"]     { order: 5; width: 100%;
  background: linear-gradient(120deg, rgba(91,76,240,0.10), rgba(46,177,200,0.10));
  border-color: rgba(91,76,240,0.30);
  box-shadow: 0 14px 36px -18px rgba(91,76,240,0.45);
}
.pyramid[data-mode="materialism"] .prow[data-layer="quantum"] .prow-name {
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  font-weight: 600;
  padding: 0 0.1em;
  -webkit-box-decoration-break: clone;
  box-decoration-break: clone;
}
.pyramid[data-mode="materialism"] .prow[data-layer="quantum"]::after {
  content: "the base of reality";
  position: absolute;
  left: 50%;
  top: 100%;
  transform: translate(-50%, 6px);
  font-family: var(--font-sans);
  font-size: 0.66rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  font-weight: 600;
  color: var(--accent);
  white-space: nowrap;
}

/* The apex row (rank 1 in either mode) is too narrow at 38% to keep
   the side-by-side name + note layout. Stack them so the note can flow
   on one or two lines centered, without escaping the row. */
.pyramid[data-mode="idealism"] .prow[data-layer="psychology"],
.pyramid[data-mode="materialism"] .prow[data-layer="consciousness"] {
  grid-template-columns: 1fr;
  text-align: center;
  gap: 0.25rem 0;
  padding: 0.9rem 1.2rem;
}
.pyramid[data-mode="idealism"] .prow[data-layer="psychology"] .prow-note,
.pyramid[data-mode="materialism"] .prow[data-layer="consciousness"] .prow-note {
  font-size: 0.82rem;
}

@media (max-width: 760px) {
  .prow { grid-template-columns: 1fr; gap: 0.2rem 0; padding: 0.7rem 1rem; }
  .pyramid[data-mode] .prow { width: 100%; min-width: 0; }
  .pyramid[data-mode] .prow::after { display: none; }
  .pyramid-toggle { width: 100%; }
  .pyr-btn { flex: 1; padding: 0.6rem 0.6rem; }
}

/* ---------- 13d. Field-dissociation section (Section 5) ---------- */
.field-stage {
  position: relative;
  margin-top: 3.5rem;
  aspect-ratio: 16 / 7;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background:
    radial-gradient(ellipse at 20% 30%, rgba(184,166,245,0.16), transparent 55%),
    radial-gradient(ellipse at 80% 70%, rgba(232,95,77,0.10), transparent 55%),
    var(--card);
  border: 1px solid var(--border);
  box-shadow: 0 30px 60px -30px rgba(20,24,60,0.22);
  cursor: crosshair;
}
.field-stage #field-canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  display: block;
}
.field-stage-caption {
  position: absolute;
  bottom: 0.9rem;
  left: 1rem;
  font-size: 0.74rem;
  letter-spacing: 0.14em;
  color: var(--ink-3);
  background: rgba(255,255,255,0.72);
  padding: 0.35rem 0.8rem;
  border-radius: 999px;
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  border: 1px solid var(--border);
  pointer-events: none;
}
@media (max-width: 820px) { .field-stage { aspect-ratio: 4 / 3; } }

/* Shape-modulation grid (Section 5 expansion) */
.shape-modulation {
  margin-top: 3.5rem;
  padding: clamp(1.8rem, 3.5vw, 2.6rem);
  background:
    radial-gradient(circle at 0% 0%, rgba(184,166,245,0.10), transparent 55%),
    radial-gradient(circle at 100% 100%, rgba(232,95,77,0.08), transparent 55%),
    var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: 0 30px 60px -30px rgba(20,24,60,0.20);
}
.sm-eyebrow {
  font-size: 0.72rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  font-weight: 600;
  color: var(--accent);
  background: linear-gradient(90deg, var(--accent), var(--accent-warm));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  margin-bottom: 0.7rem;
}
.sm-head h3 { margin-bottom: 1rem; }
.sm-head p {
  color: var(--ink-3);
  max-width: 70ch;
  line-height: 1.6;
}
.sm-head p em { color: var(--ink); font-style: italic; }

.sm-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.1rem;
  margin: 2rem 0 1.5rem;
}
.sm-card {
  padding: 1.4rem 1.5rem;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  transition: transform 0.4s var(--ease), border-color 0.3s, box-shadow 0.4s;
  position: relative;
}
.sm-card:hover {
  transform: translateY(-3px);
  border-color: var(--border-strong);
  box-shadow: 0 18px 38px -20px rgba(20,24,60,0.22);
}
.sm-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: linear-gradient(135deg, rgba(184,166,245,0.18), rgba(232,95,77,0.12));
  font-size: 1.3rem;
  margin-bottom: 0.85rem;
  border: 1px solid var(--border);
}
.sm-card h4 {
  font-family: var(--font-serif);
  font-size: 1.15rem;
  margin: 0 0 0.55rem;
  color: var(--ink);
  letter-spacing: -0.01em;
}
.sm-card p {
  font-size: 0.92rem;
  color: var(--ink-3);
  margin: 0;
  line-height: 1.55;
}
.sm-card p em {
  font-style: italic;
  color: var(--ink);
}
.sm-foot {
  margin: 1.5rem 0 0;
  font-size: 0.92rem;
  color: var(--ink-3);
  line-height: 1.6;
  padding-top: 1.2rem;
  border-top: 1px solid var(--border);
  max-width: 70ch;
}
.sm-foot em {
  font-style: italic;
  color: var(--ink);
}

/* Inline link styling used across the page */
.inline-link {
  color: var(--accent);
  text-decoration: none;
  border-bottom: 1px solid rgba(91,76,240,0.30);
  transition: color 0.3s, border-color 0.3s;
}
.inline-link:hover {
  color: var(--accent-warm);
  border-bottom-color: var(--accent-warm);
}
.field-points {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}
.field-points li {
  display: grid;
  grid-template-columns: auto 1fr;
  column-gap: 1.2rem;
  row-gap: 0.4rem;
  align-items: start;
  padding: 1.2rem 1.4rem;
  background: rgba(255, 255, 255, 0.72);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  transition: transform 0.4s var(--ease), border-color 0.3s;
}
.field-points li:hover { transform: translateX(3px); border-color: var(--border-strong); }
.fp-num {
  grid-row: span 2;
  font-family: var(--font-serif);
  font-size: 1.5rem;
  color: var(--accent-warm);
  letter-spacing: -0.02em;
  line-height: 1;
}
.field-points h4 { margin: 0; font-size: 1.05rem; color: var(--ink); font-family: var(--font-serif); }
.field-points p { margin: 0; font-size: 0.92rem; color: var(--ink-3); grid-column: 2; }
.field-callout {
  margin-top: 3rem;
  text-align: center;
  font-family: var(--font-serif);
  font-style: italic;
  font-size: clamp(1.3rem, 2.4vw, 1.9rem);
  line-height: 1.4;
  color: var(--ink);
  font-weight: 300;
  max-width: 720px;
  margin-left: auto;
  margin-right: auto;
}
.field-callout em {
  background: linear-gradient(90deg, var(--accent), var(--accent-warm));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  padding: 0 0.1em;
  -webkit-box-decoration-break: clone;
  box-decoration-break: clone;
}

/* ---------- 14b. Branch demo (interactive many-world walker) ---------- */
.branch-demo {
  display: grid;
  grid-template-columns: 1.55fr 1fr;
  gap: 1.5rem;
  margin: 3.5rem 0 3rem;
  align-items: stretch;
}
@media (max-width: 980px) { .branch-demo { grid-template-columns: 1fr; } }

.branch-stage {
  position: relative;
  background:
    radial-gradient(circle at 30% 90%, rgba(184,166,245,0.14), transparent 55%),
    radial-gradient(circle at 80% 15%, rgba(232,95,77,0.08), transparent 55%),
    var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: 0 30px 60px -30px rgba(20,24,60,0.22);
  overflow: hidden;
  aspect-ratio: 600 / 520;
}
.branch-stage svg {
  position: absolute;
  inset: 0;
  width: 100%; height: 100%;
  display: block;
}
.branch-stage-caption {
  position: absolute;
  bottom: 0.9rem;
  left: 1rem;
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  color: var(--ink-3);
  background: rgba(255,255,255,0.72);
  padding: 0.3rem 0.7rem;
  border-radius: 999px;
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  border: 1px solid var(--border);
}
.branch-stage-caption em {
  font-style: italic;
  color: var(--accent-warm);
}

/* SVG edges */
.branch-stage .edge {
  fill: none;
  stroke-width: 1.5;
  transition: stroke 0.5s var(--ease), stroke-width 0.5s var(--ease), opacity 0.5s var(--ease);
}
.branch-stage .edge.ghost {
  stroke: rgba(20,24,60,0.20);
  stroke-dasharray: 2 5;
}
.branch-stage .edge.live {
  stroke: var(--accent-warm);
  stroke-width: 3.2;
  filter: drop-shadow(0 0 8px rgba(232,95,77,0.55));
}

/* SVG nodes */
.branch-stage .node {
  transition: opacity 0.5s var(--ease);
}
.branch-stage .node .dot,
.branch-stage .node .halo,
.branch-stage .node .ring {
  transition: r 0.5s var(--ease), opacity 0.5s var(--ease), stroke-width 0.5s var(--ease);
}
.branch-stage .node.distant { opacity: 0.50; }
.branch-stage .node.distant .halo { opacity: 0.05; }
.branch-stage .node.future .halo { animation: branchPulseHalo 2.6s ease-in-out infinite; }
.branch-stage .node.current .ring {
  animation: branchPulseRing 2s ease-in-out infinite;
}
@keyframes branchPulseHalo {
  0%, 100% { opacity: 0.18; }
  50%      { opacity: 0.36; }
}
@keyframes branchPulseRing {
  0%, 100% { stroke-opacity: 0.85; stroke-width: 2.5; }
  50%      { stroke-opacity: 0.30; stroke-width: 5; }
}
.branch-stage .nlabel {
  font-family: var(--font-serif);
  font-size: 13px;
  font-style: italic;
  letter-spacing: -0.01em;
  pointer-events: none;
}

/* Side panel */
.branch-side {
  display: flex;
  flex-direction: column;
  gap: 1.1rem;
  padding: 1.6rem 1.8rem;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: 0 30px 60px -30px rgba(20,24,60,0.18);
}
.branch-now { padding-bottom: 1rem; border-bottom: 1px solid var(--border); }
.bn-label, .bf-label, .bp-label {
  font-size: 0.7rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--ink-muted);
  font-weight: 600;
  margin-bottom: 0.5rem;
}
.bn-qualia { display: flex; align-items: center; gap: 0.85rem; }
.bn-swatch {
  width: 32px; height: 32px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 22px currentColor;
  transition: background 0.6s var(--ease), color 0.6s var(--ease);
}
.bn-name {
  font-family: var(--font-serif);
  font-size: 1.45rem;
  font-style: italic;
  color: var(--ink);
  letter-spacing: -0.01em;
  transition: color 0.6s var(--ease);
}

.branch-futures ul {
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
}
.branch-futures li {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 0.7rem;
  padding: 0.6rem 0.85rem;
  background: var(--bg-soft);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  position: relative;
  overflow: hidden;
  transition: border-color 0.3s, transform 0.3s var(--ease);
}
.branch-futures li::before {
  content: "";
  position: absolute;
  inset: 0;
  width: var(--p, 0%);
  background: rgba(91, 76, 240, 0.07);
  transition: width 0.6s var(--ease), background 0.4s;
  z-index: 0;
}
.branch-futures li > * { position: relative; z-index: 1; }
.branch-futures li.attractor {
  border-color: rgba(232, 95, 77, 0.32);
}
.branch-futures li.attractor::before {
  background: linear-gradient(90deg, rgba(232,95,77,0.12), rgba(246,196,83,0.06));
}
.branch-futures li.familiar {
  opacity: 0.85;
}
.branch-futures li.familiar::before {
  background: rgba(20,24,60,0.04);
}
.branch-futures li.familiar .bf-name small {
  color: var(--ink-muted);
}
.bf-swatch {
  width: 14px; height: 14px;
  border-radius: 50%;
  box-shadow: 0 0 8px currentColor;
}
.bf-name {
  font-family: var(--font-serif);
  font-style: italic;
  color: var(--ink);
}
.bf-name small {
  font-style: normal;
  font-family: var(--font-sans);
  font-size: 0.66rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--warm-2);
  margin-left: 0.4rem;
  font-weight: 600;
}
.bf-pct {
  font-family: var(--font-serif);
  font-size: 0.98rem;
  color: var(--ink);
  font-weight: 500;
}

.branch-controls {
  display: flex;
  gap: 0.6rem;
  flex-wrap: wrap;
}
.branch-controls .btn { font-size: 0.85rem; padding: 0.7rem 1.1rem; }
.branch-controls .btn:disabled { opacity: 0.45; cursor: not-allowed; }

.bp-trail {
  display: flex;
  gap: 0.4rem;
  flex-wrap: wrap;
  align-items: center;
  min-height: 18px;
}
.bp-node {
  width: 16px; height: 16px;
  border-radius: 50%;
  border: 2px solid var(--card);
  box-shadow: 0 0 0 1px var(--border-strong);
}
.bp-arrow {
  color: var(--ink-muted);
  font-size: 0.85rem;
}

.branch-note {
  font-size: 0.85rem;
  color: var(--ink-3);
  line-height: 1.55;
  margin: 0;
  padding-top: 0.85rem;
  border-top: 1px solid var(--border);
}
.branch-note em {
  font-style: italic;
  background: linear-gradient(90deg, var(--warm-2), var(--warm-3));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  padding: 0 0.1em;
  -webkit-box-decoration-break: clone;
  box-decoration-break: clone;
}

/* ---------- 15. Callout & pull ---------- */
.callout {
  margin-top: 3.5rem;
  padding: clamp(2rem, 4vw, 3rem);
  border-radius: var(--radius-lg);
  background:
    radial-gradient(circle at 30% 10%, rgba(184,166,245,0.18), transparent 55%),
    radial-gradient(circle at 70% 90%, rgba(245,196,196,0.18), transparent 55%),
    var(--card);
  border: 1px solid var(--border);
  max-width: 900px;
}
.callout p {
  font-family: var(--font-serif);
  font-size: clamp(1.2rem, 2vw, 1.55rem);
  line-height: 1.45;
  color: var(--ink);
  font-style: italic;
  font-weight: 300;
}
.callout .signature {
  margin-top: 1.2rem;
  font-style: italic;
  font-size: clamp(1.4rem, 2.4vw, 1.9rem);
  color: var(--ink);
  font-weight: 400;
  background: linear-gradient(90deg, var(--accent), var(--accent-warm));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  display: inline-block;
}
.pull-row {
  margin-top: 3rem;
  display: flex;
  justify-content: center;
}
.pull {
  font-family: var(--font-serif);
  font-size: clamp(1.4rem, 3vw, 2.4rem);
  line-height: 1.3;
  color: var(--ink);
  font-style: italic;
  font-weight: 300;
  max-width: 28ch;
  text-align: center;
  letter-spacing: -0.01em;
}
.pull em {
  background: linear-gradient(90deg, var(--accent), var(--accent-warm));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* ---------- 16. Phases (ESP / PK) ---------- */
.phases {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
  margin: 4rem 0;
}
@media (max-width: 820px) { .phases { grid-template-columns: 1fr; } }
.phase {
  padding: clamp(1.5rem, 3vw, 2.5rem);
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: transform 0.4s var(--ease), border-color 0.4s, box-shadow 0.4s;
  position: relative;
  overflow: hidden;
}
.phase::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 90% 10%, rgba(184,166,245,0.10), transparent 60%);
  pointer-events: none;
}
.phase:nth-child(2)::before {
  background: radial-gradient(circle at 90% 10%, rgba(232,95,77,0.10), transparent 60%);
}
.phase:hover {
  transform: translateY(-4px);
  border-color: var(--border-strong);
  box-shadow: 0 30px 60px -30px rgba(20,24,60,0.25);
}
.phase-tag {
  display: inline-block;
  font-size: 0.74rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 1rem;
  font-weight: 600;
}
.phase:nth-child(2) .phase-tag { color: var(--accent-warm); }
.phase h3 { margin-bottom: 1rem; }
.phase-formula {
  margin-top: 1.5rem;
  padding: 1rem 1.2rem;
  font-family: var(--font-serif);
  font-size: 1.05rem;
  color: var(--ink);
  background: linear-gradient(135deg, rgba(184,166,245,0.08), rgba(232,95,77,0.06));
  border-radius: var(--radius-sm);
  border: 1px dashed var(--border-strong);
  text-align: center;
  font-style: italic;
}
.phase-formula span {
  color: var(--accent-warm);
  font-weight: 600;
  padding: 0 0.2em;
}

/* ---------- 17. Demo cards (coin + decline) ---------- */
.demo-card {
  background:
    radial-gradient(circle at 0% 0%, rgba(184,166,245,0.14), transparent 60%),
    radial-gradient(circle at 100% 100%, rgba(232,95,77,0.10), transparent 60%),
    var(--card);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-lg);
  padding: clamp(2rem, 4vw, 3rem);
  margin: 3rem 0;
  box-shadow: 0 30px 60px -30px rgba(20,24,60,0.22);
}
.demo-eyebrow {
  font-size: 0.72rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--accent-warm);
  font-weight: 600;
  margin-bottom: 0.6rem;
}
.demo-head h3 { margin-bottom: 0.8rem; }
.demo-head p { max-width: 60ch; }
.demo-body {
  margin-top: 1.5rem;
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 2rem;
  align-items: center;
}
@media (max-width: 820px) {
  .demo-body { grid-template-columns: 1fr; }
}

.coin-controls {
  display: flex;
  flex-direction: column;
  gap: 1.2rem;
}
.coin-controls label {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}
.coin-controls label > span {
  font-size: 0.86rem;
  color: var(--ink-3);
  font-weight: 500;
}
.coin-controls input[type="range"] {
  -webkit-appearance: none;
  appearance: none;
  width: 100%;
  height: 4px;
  border-radius: 4px;
  background: linear-gradient(90deg, var(--aurora-2), var(--warm-2));
  outline: none;
}
.coin-controls input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 22px; height: 22px;
  border-radius: 50%;
  background: var(--card);
  border: 2px solid var(--accent-warm);
  cursor: pointer;
  box-shadow: 0 4px 14px rgba(232,95,77,0.4);
  transition: transform 0.2s;
}
.coin-controls input[type="range"]::-webkit-slider-thumb:active {
  transform: scale(1.15);
}
.coin-controls input[type="range"]::-moz-range-thumb {
  width: 22px; height: 22px;
  border-radius: 50%;
  background: var(--card);
  border: 2px solid var(--accent-warm);
  cursor: pointer;
  box-shadow: 0 4px 14px rgba(232,95,77,0.4);
}
.coin-controls output {
  font-family: var(--font-serif);
  font-size: 2rem;
  color: var(--warm-2);
  letter-spacing: -0.02em;
}

.coin-bars { display: flex; flex-direction: column; gap: 1rem; }
.bar-row { display: flex; flex-direction: column; gap: 0.4rem; }
.bar-label {
  font-size: 0.85rem;
  color: var(--ink-3);
}
.bar-label em { font-style: italic; color: var(--accent-warm); }
.bar {
  position: relative;
  height: 38px;
  background: rgba(20,24,60,0.05);
  border-radius: 999px;
  overflow: hidden;
  display: flex;
  align-items: center;
}
.bar-fill {
  display: block;
  height: 100%;
  border-radius: 999px;
  transition: width 0.8s var(--ease);
}
.bar-fill.cool {
  background: linear-gradient(90deg, var(--aurora-2), var(--aurora-1));
}
.bar-fill.warm {
  background: linear-gradient(90deg, var(--warm-3), var(--warm-2));
}
.bar-pct {
  position: absolute;
  right: 1rem;
  top: 50%;
  transform: translateY(-50%);
  font-family: var(--font-serif);
  font-size: 1rem;
  color: var(--ink);
  font-weight: 500;
}
.demo-foot {
  margin-top: 1.5rem;
  font-size: 0.92rem;
  color: var(--ink-3);
  max-width: 70ch;
}

/* ---------- 18. Evidence grid ---------- */
.evidence {
  margin-top: 3.5rem;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.5rem;
}
.ev-card {
  padding: 2rem 1.8rem;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  position: relative;
  overflow: hidden;
  transition: transform 0.4s var(--ease), border-color 0.4s, box-shadow 0.4s;
}
.ev-card::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 100% 0%, rgba(232,95,77,0.08), transparent 55%);
  pointer-events: none;
}
.ev-card:hover {
  transform: translateY(-4px);
  border-color: var(--border-strong);
  box-shadow: 0 30px 60px -30px rgba(20,24,60,0.25);
}
.ev-num {
  font-family: var(--font-serif);
  font-size: 0.95rem;
  color: var(--ink-muted);
  letter-spacing: 0.2em;
  margin-bottom: 1rem;
}
.ev-card h4 {
  font-size: 1.3rem;
  margin-bottom: 0.7rem;
  color: var(--ink);
}
.ev-card p { font-size: 0.96rem; color: var(--ink-3); margin: 0; }

/* ---------- 19. Decline section ---------- */
.decline-grid {
  display: grid;
  grid-template-columns: 1fr 1.6fr;
  gap: 2.5rem;
  align-items: center;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: clamp(2rem, 4vw, 3rem);
  box-shadow: 0 30px 60px -30px rgba(20,24,60,0.22);
  position: relative;
  overflow: hidden;
}
.decline-grid::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 0% 0%, rgba(232,95,77,0.10), transparent 50%),
    radial-gradient(circle at 100% 100%, rgba(91,76,240,0.08), transparent 50%);
  pointer-events: none;
}
.decline-grid > * { position: relative; }
@media (max-width: 900px) { .decline-grid { grid-template-columns: 1fr; } }

.decline-controls h3 { margin-bottom: 0.8rem; }
.decline-controls .muted { color: var(--ink-3); margin-bottom: 1.5rem; }
.decline-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin-bottom: 1.5rem;
}
.decline-buttons .btn { padding: 0.7rem 1.1rem; font-size: 0.85rem; }
.decline-readout {
  font-size: 0.9rem;
  color: var(--ink-3);
  padding: 1rem 1.2rem;
  background: var(--bg-soft);
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  margin-bottom: 1.2rem;
}
.decline-readout b { color: var(--ink); font-weight: 600; }
.decline-legend {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  font-size: 0.85rem;
  color: var(--ink-3);
}
.decline-legend li { display: flex; align-items: center; gap: 0.55rem; }
.lg-dot {
  width: 12px; height: 12px;
  border-radius: 50%;
}
.lg-dot.c1 { background: var(--accent-2); }
.lg-dot.c2 { background: var(--warm-1); }
.lg-dot.c3 { background: var(--warm-2); }

.decline-chart {
  position: relative;
  aspect-ratio: 16 / 10;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}
.decline-chart canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}
.d-axis-x, .d-axis-y {
  position: absolute;
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-muted);
}
.d-axis-x { bottom: 0.6rem; right: 1rem; }
.d-axis-y { top: 1rem; left: 0.8rem; transform: rotate(-90deg); transform-origin: left top; }

.boredom {
  margin: 3.5rem auto 0;
  max-width: 760px;
  padding: 2rem;
  border-left: 3px solid;
  border-image: linear-gradient(to bottom, var(--accent), var(--accent-warm)) 1;
  text-align: left;
}
.boredom p {
  font-family: var(--font-serif);
  font-size: clamp(1.3rem, 2.4vw, 1.8rem);
  font-style: italic;
  line-height: 1.35;
  color: var(--ink);
  font-weight: 300;
  margin-bottom: 1rem;
}
.boredom cite {
  font-style: normal;
  font-size: 0.85rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-muted);
}

/* ---------- 19b. Math section (proto-equations + sliders) ---------- */
.math-card {
  margin-top: 2.5rem;
  padding: clamp(1.8rem, 3.5vw, 2.6rem);
  background:
    radial-gradient(circle at 0% 0%, rgba(184,166,245,0.10), transparent 55%),
    radial-gradient(circle at 100% 100%, rgba(232,95,77,0.06), transparent 55%),
    var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: 0 30px 60px -30px rgba(20,24,60,0.20);
}
.math-tag {
  font-size: 0.72rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  font-weight: 600;
  color: var(--accent);
  background: linear-gradient(90deg, var(--accent), var(--accent-warm));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  margin-bottom: 0.5rem;
}
.math-head h3 { margin-bottom: 1.2rem; }
.math-eq {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: clamp(1.4rem, 3vw, 2.1rem);
  color: var(--ink);
  text-align: center;
  padding: 1.4rem 1rem;
  margin: 0.5rem 0 1.5rem;
  background: linear-gradient(120deg, rgba(184,166,245,0.06), rgba(232,95,77,0.04));
  border-radius: var(--radius-sm);
  border: 1px dashed var(--border-strong);
  letter-spacing: 0.01em;
  line-height: 1.4;
}
.math-eq-mono {
  font-family: "Fraunces", "Georgia", serif;
  font-style: italic;
  font-weight: 300;
}
.math-eq sub { font-size: 0.7em; }
.math-eq sup { font-size: 0.7em; }
.math-note {
  font-size: 0.96rem;
  color: var(--ink-3);
  line-height: 1.6;
  max-width: 70ch;
  margin: 0 auto 1.5rem;
}
.math-note em { font-style: italic; color: var(--ink); }
.math-note strong { color: var(--ink); font-weight: 600; }

.math-controls {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.2rem 2rem;
  padding: 1.2rem 1.4rem;
  background: var(--bg-soft);
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  margin-bottom: 1.4rem;
}
.math-controls label {
  display: grid;
  grid-template-columns: 1fr auto;
  grid-template-rows: auto auto;
  gap: 0.4rem 1rem;
  align-items: center;
}
.math-controls label > span:first-child {
  grid-column: 1 / 3;
  font-size: 0.82rem;
  color: var(--ink-3);
  font-weight: 500;
}
.math-controls label > span:first-child em { color: var(--accent-warm); font-style: italic; }
.math-controls input[type="range"] {
  -webkit-appearance: none;
  appearance: none;
  width: 100%;
  height: 4px;
  border-radius: 4px;
  background: linear-gradient(90deg, var(--aurora-2), var(--warm-2));
  outline: none;
}
.math-controls input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 20px; height: 20px;
  border-radius: 50%;
  background: var(--card);
  border: 2px solid var(--accent-warm);
  cursor: pointer;
  box-shadow: 0 4px 12px rgba(232,95,77,0.4);
}
.math-controls input[type="range"]::-moz-range-thumb {
  width: 20px; height: 20px;
  border-radius: 50%;
  background: var(--card);
  border: 2px solid var(--accent-warm);
  cursor: pointer;
}
.math-controls output {
  font-family: var(--font-serif);
  font-size: 1.2rem;
  color: var(--ink);
  letter-spacing: -0.01em;
  min-width: 4ch;
  text-align: right;
}

.math-readout {
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
  margin-top: 0.5rem;
}
.prob-bar {
  display: grid;
  grid-template-columns: minmax(120px, auto) 1fr auto;
  align-items: center;
  gap: 1rem;
  font-size: 0.92rem;
  color: var(--ink-2);
}
.prob-label {
  font-family: var(--font-serif);
  font-style: italic;
}
.prob-label em {
  font-style: italic;
  font-size: 0.82em;
  color: var(--ink-muted);
  display: block;
}
.prob-track {
  height: 28px;
  background: rgba(20,24,60,0.05);
  border-radius: 999px;
  overflow: hidden;
}
.prob-fill {
  display: block;
  height: 100%;
  border-radius: 999px;
  transition: width 0.4s var(--ease);
}
.prob-fill.prob-zero { background: linear-gradient(90deg, var(--aurora-1), var(--accent)); }
.prob-fill.prob-one  { background: linear-gradient(90deg, var(--warm-1), var(--warm-2)); }
.prob-val {
  font-family: var(--font-serif);
  font-size: 1.1rem;
  color: var(--ink);
  min-width: 5ch;
  text-align: right;
}

/* Equation legend */
.math-legend {
  display: flex;
  flex-direction: column;
  gap: 0.8rem;
  margin: 1rem 0 1.5rem;
}
.math-legend > div {
  display: grid;
  grid-template-columns: minmax(70px, auto) 1fr;
  gap: 1rem;
  padding: 0.8rem 1.2rem;
  background: var(--bg-soft);
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  align-items: baseline;
}
.leg-sym {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 1.15rem;
  color: var(--accent-warm);
  font-weight: 500;
}
.leg-def { font-size: 0.92rem; color: var(--ink-3); line-height: 1.5; }
.leg-def em { color: var(--ink); font-style: italic; }

/* Pause-recovery readout */
.math-pause-readout {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 1rem;
  margin: 0.5rem 0 1.5rem;
}
.math-pause-readout > div {
  display: flex;
  flex-direction: column;
  padding: 1rem 1.2rem;
  background: var(--bg-soft);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
}
.mp-label {
  font-size: 0.74rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-muted);
  font-weight: 600;
  margin-bottom: 0.35rem;
}
.mp-value {
  font-family: var(--font-serif);
  font-size: 1.3rem;
  color: var(--ink);
  letter-spacing: -0.01em;
}
.mp-value.mp-restart {
  color: var(--accent-warm);
  font-weight: 500;
}
.mp-value.mp-hit {
  background: linear-gradient(90deg, var(--accent), var(--accent-warm));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  font-weight: 600;
}

/* Pause-recovery curve canvas */
.math-canvas {
  width: 100%;
  aspect-ratio: 16 / 6;
  display: block;
  border-radius: var(--radius-sm);
  background: var(--bg);
  border: 1px solid var(--border);
}

.math-footnote {
  margin-top: 2.5rem;
  text-align: center;
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 0.98rem;
  color: var(--ink-3);
  max-width: 64ch;
  margin-left: auto;
  margin-right: auto;
  line-height: 1.5;
}

/* ---------- 20. Three Worlds ---------- */
.worlds {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: 3rem;
  align-items: center;
  margin: 3rem 0;
}
@media (max-width: 900px) { .worlds { grid-template-columns: 1fr; } }
.worlds-stage {
  aspect-ratio: 9 / 7; /* matches the SVG viewBox 720:560 */
  position: relative;
}
.worlds-svg {
  width: 100%;
  height: 100%;
}
.triangle-line {
  fill: rgba(184,166,245,0.04);
  stroke: rgba(20,24,60,0.32);
  stroke-width: 2.6;
  stroke-linejoin: round;
}
.ring {
  fill: none;
  stroke: rgba(20,24,60,0.10);
  stroke-width: 1;
  stroke-dasharray: 2 6;
}
.ring-label {
  font-family: var(--font-serif);
  font-size: 13px;
  fill: var(--ink-muted);
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

/* Flow arrows — bolder, color-coded per role */
.flow {
  fill: none;
  stroke-width: 3.5;
  stroke-linecap: round;
  filter: drop-shadow(0 0 6px rgba(91,76,240,0.18));
  animation: dash 14s linear infinite;
  stroke-dasharray: 8 6;
}
.flow-memory { stroke: #5b4cf0; }                /* memory · purple */
.flow-esp    { stroke: #e85f4d; }                /* pre-cognition · coral */
.flow-pk     { stroke: #2eb1c8; }                /* micro-PK · teal */
@keyframes dash { to { stroke-dashoffset: -120; } }

/* Edge labels — straight <text>, rotated to read along each triangle side */
.edge-label {
  font-family: var(--font-serif);
  font-size: 18px;
  font-weight: 500;
  letter-spacing: -0.005em;
  fill: var(--ink);
  pointer-events: none;
}
.edge-label .edge-action {
  font-weight: 600;
  font-style: italic;
}
.edge-label .edge-sub {
  font-style: italic;
  font-weight: 400;
  fill: var(--ink-3);
  font-size: 13px;
}
.edge-label-memory .edge-action { fill: #5b4cf0; }
.edge-label-esp    .edge-action { fill: #e85f4d; }
.edge-label-pk     .edge-action { fill: #2eb1c8; }

.wlabel {
  font-family: var(--font-serif);
  font-size: 18px;
  font-weight: 500;
  fill: var(--ink);
  letter-spacing: -0.01em;
}

.vtx {
  cursor: pointer;
  transition: transform 0.3s var(--ease);
  transform-origin: calc(var(--x) * 1px) calc(var(--y) * 1px);
}
.vtx:hover { transform: scale(1.05); }
.vtx-core {
  transition: filter 0.3s, transform 0.3s var(--ease);
}
.vtx-core.w1 { fill: #6f7592; }
.vtx-core.w2 { fill: var(--warm-2); }
.vtx-core.w3 { fill: var(--accent); }
.vtx.active .vtx-core {
  filter: drop-shadow(0 0 10px currentColor);
  transform-origin: center;
}
.vtx.active .vtx-core.w1 { fill: #2a2d4a; }
.vtx.active .vtx-core.w2 {
  fill: var(--warm-2);
  filter: drop-shadow(0 0 18px var(--warm-2));
}
.vtx.active .vtx-core.w3 {
  fill: var(--accent);
  filter: drop-shadow(0 0 18px var(--accent));
}

.worlds-panel {
  position: relative;
  display: grid;
  grid-template-columns: 1fr;
}
.w-card {
  /* All three cards occupy the same grid cell, so the panel
     auto-sizes to the tallest card and content never overflows. */
  grid-area: 1 / 1;
  padding: clamp(1.8rem, 3vw, 2.5rem);
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: 0 30px 60px -30px rgba(20,24,60,0.2);
  opacity: 0;
  transform: translateY(20px);
  pointer-events: none;
  transition: opacity 0.5s var(--ease), transform 0.5s var(--ease);
}
.w-card.active {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}
.w-num {
  font-family: var(--font-serif);
  font-size: 0.9rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--ink-muted);
  margin-bottom: 1rem;
}
.w-card[data-world="w3"] .w-num { color: var(--accent); }
.w-card[data-world="w2"] .w-num { color: var(--warm-2); }
.w-card[data-world="w1"] .w-num { color: var(--ink-2); }
.w-card h3 { margin-bottom: 1.1rem; }
.w-card p { color: var(--ink-3); }

/* ---------- 20b. Ontic vs epistemic ---------- */
.ontic-epistemic {
  margin-top: 3.5rem;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 0;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: 0 30px 60px -30px rgba(20,24,60,0.18);
}
.oe-card {
  padding: clamp(1.8rem, 3vw, 2.5rem);
  position: relative;
}
.oe-card:first-child {
  background: linear-gradient(135deg, rgba(232,95,77,0.10), rgba(246,196,83,0.06));
}
.oe-card:last-child {
  background: linear-gradient(135deg, rgba(143,198,245,0.08), rgba(184,166,245,0.06));
}
.oe-tag {
  display: inline-block;
  font-size: 0.72rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  font-weight: 600;
  margin-bottom: 0.8rem;
}
.oe-card:first-child .oe-tag {
  background: linear-gradient(90deg, var(--warm-2), var(--warm-3));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.oe-card:last-child .oe-tag {
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.oe-card h4 {
  font-size: 1.35rem;
  margin-bottom: 0.8rem;
  font-family: var(--font-serif);
}
.oe-card p { color: var(--ink-3); margin: 0; font-size: 0.96rem; }
.oe-divider {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0 1rem;
  position: relative;
}
.oe-divider::before {
  content: "";
  position: absolute;
  top: 12%; bottom: 12%;
  left: 50%;
  width: 1px;
  background: linear-gradient(to bottom, transparent, var(--border-strong), transparent);
}
.oe-divider span {
  position: relative;
  width: 44px; height: 44px;
  border-radius: 50%;
  background: var(--card);
  border: 1px solid var(--border-strong);
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-serif);
  font-size: 0.85rem;
  color: var(--ink-muted);
  font-style: italic;
  box-shadow: 0 8px 24px rgba(20,24,60,0.10);
}
@media (max-width: 820px) {
  .ontic-epistemic { grid-template-columns: 1fr; }
  .oe-divider { padding: 0.8rem 0; }
  .oe-divider::before { display: none; }
}
.oe-foot {
  margin-top: 2rem;
  font-family: var(--font-serif);
  font-style: italic;
  font-size: clamp(1.05rem, 1.7vw, 1.3rem);
  color: var(--ink);
  text-align: center;
  max-width: 720px;
  margin-left: auto;
  margin-right: auto;
  line-height: 1.5;
}
.oe-foot em {
  background: linear-gradient(90deg, var(--accent), var(--accent-warm));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  font-style: italic;
}

/* ---------- 20c. Platonic Space morphospace ---------- */
.morpho {
  margin-top: 3.5rem;
  padding: clamp(1.8rem, 3.5vw, 2.6rem);
  background:
    radial-gradient(circle at 0% 0%, rgba(246,196,83,0.10), transparent 55%),
    radial-gradient(circle at 100% 100%, rgba(184,166,245,0.10), transparent 55%),
    var(--card);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-lg);
  box-shadow: 0 30px 60px -30px rgba(20,24,60,0.22);
}
.morpho-tag {
  font-size: 0.72rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  font-weight: 600;
  color: var(--accent-warm);
  margin-bottom: 0.5rem;
}
.morpho-head h3 { margin-bottom: 0.8rem; }
.morpho-head p { max-width: 70ch; color: var(--ink-3); }
.morpho-head p em { color: var(--ink); font-style: italic; }

.morpho-stage {
  position: relative;
  margin: 1.5rem 0 1.5rem;
  aspect-ratio: 16 / 9;
  border-radius: var(--radius);
  background: var(--bg);
  border: 1px solid var(--border);
  overflow: hidden;
  cursor: crosshair;
  touch-action: none;
}
.morpho-stage canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  display: block;
}
.morpho-caption {
  position: absolute;
  bottom: 0.8rem;
  left: 1rem;
  font-size: 0.78rem;
  letter-spacing: 0.06em;
  color: var(--ink-muted);
  background: rgba(255,255,255,0.78);
  padding: 0.35rem 0.8rem;
  border-radius: 999px;
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  border: 1px solid var(--border);
  pointer-events: none;
}
.morpho-pulse {
  display: inline-block;
  color: var(--accent-warm);
  animation: pulse 2s var(--ease-soft) infinite;
}

.morpho-readout {
  display: grid;
  grid-template-columns: minmax(220px, 1fr) 2fr;
  gap: 1.5rem;
  align-items: center;
}
@media (max-width: 760px) {
  .morpho-readout { grid-template-columns: 1fr; }
}
.morpho-current {
  padding: 1.2rem 1.4rem;
  background: var(--bg-soft);
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
}
.mc-label {
  display: block;
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-muted);
  font-weight: 600;
  margin-bottom: 0.4rem;
}
.mc-value {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 1.4rem;
  color: var(--ink);
  letter-spacing: -0.01em;
  transition: color 0.4s var(--ease);
}
.morpho-legend {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem 1rem;
  font-size: 0.85rem;
  color: var(--ink-3);
}
.morpho-legend > span {
  display: flex;
  align-items: center;
  gap: 0.45rem;
}
.morpho-legend .ml-dot {
  width: 12px; height: 12px;
  border-radius: 50%;
}
.morpho-legend em { color: var(--ink); font-style: italic; }

/* Omega note */
.omega-note {
  margin-top: 3rem;
  padding: 2rem clamp(1.5rem, 4vw, 2.5rem);
  border-left: 3px solid;
  border-image: linear-gradient(to bottom, var(--warm-2), var(--warm-3)) 1;
  background: linear-gradient(120deg, rgba(232,95,77,0.05), rgba(246,196,83,0.04));
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  max-width: 860px;
}
.omega-eyebrow {
  font-size: 0.72rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  font-weight: 600;
  color: var(--warm-2);
  margin-bottom: 0.7rem;
}
.omega-note p {
  font-family: var(--font-serif);
  font-size: clamp(1.05rem, 1.7vw, 1.3rem);
  line-height: 1.55;
  color: var(--ink);
  font-style: italic;
  font-weight: 300;
  margin: 0;
}
.omega-note em {
  background: linear-gradient(90deg, var(--warm-2), var(--warm-3));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  font-style: italic;
  padding: 0 0.1em;
  -webkit-box-decoration-break: clone;
  box-decoration-break: clone;
}

/* ---------- 21. Dissociation visual ---------- */
.dissociation-visual {
  aspect-ratio: 1 / 1;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}
.d-core {
  width: 35%;
  aspect-ratio: 1 / 1;
  border-radius: 50%;
  background:
    radial-gradient(circle at 35% 35%, #fff, var(--warm-3) 35%, var(--warm-2) 75%, #b04b3c);
  box-shadow:
    0 0 80px rgba(232, 95, 77, 0.4),
    0 0 200px rgba(246, 196, 83, 0.25);
  position: relative;
  z-index: 2;
  animation: corePulse 5s var(--ease-soft) infinite;
}
@keyframes corePulse {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.07); }
}
.d-pocket {
  position: absolute;
  width: 14%;
  aspect-ratio: 1 / 1;
  border-radius: 50%;
  top: 50%; left: 50%;
  background:
    radial-gradient(circle at 35% 35%, #fff, var(--warm-4) 55%, var(--warm-1) 90%);
  box-shadow: 0 0 28px rgba(232,95,77,0.45);
  transform-origin: 0 0;
  transform: translate(-50%, -50%) rotate(var(--a)) translate(45%) rotate(calc(-1 * var(--a)));
  animation: pocketBreathe 6s var(--ease-soft) infinite;
}
.d-pocket:nth-child(2) { animation-delay: -0.5s; }
.d-pocket:nth-child(3) { animation-delay: -1s; }
.d-pocket:nth-child(4) { animation-delay: -1.5s; }
.d-pocket:nth-child(5) { animation-delay: -2s; }
.d-pocket:nth-child(6) { animation-delay: -2.5s; }
@keyframes pocketBreathe {
  0%, 100% { opacity: 0.85; }
  50% { opacity: 1; }
}
/* connecting threads */
.dissociation-visual::before {
  content: "";
  position: absolute;
  inset: 22%;
  border-radius: 50%;
  background:
    conic-gradient(from 0deg,
      transparent 0%, rgba(232,95,77,0.18) 10%, transparent 18%,
      transparent 30%, rgba(232,95,77,0.18) 40%, transparent 48%,
      transparent 60%, rgba(232,95,77,0.18) 70%, transparent 78%);
  mask: radial-gradient(circle, transparent 36%, #000 38%, #000 100%);
  -webkit-mask: radial-gradient(circle, transparent 36%, #000 38%, #000 100%);
  animation: spin 32s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }
.d-label {
  position: absolute;
  bottom: -1.5rem;
  left: 50%;
  transform: translateX(-50%);
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 0.95rem;
  color: var(--ink-muted);
  letter-spacing: 0.04em;
  white-space: nowrap;
}

/* ---------- 22. Experiments grid ---------- */
.exp-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
  margin-top: 3rem;
}
.exp {
  padding: 2rem 1.8rem;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  position: relative;
  overflow: hidden;
  transition: transform 0.4s var(--ease), border-color 0.4s, box-shadow 0.4s;
  min-height: 340px;
  display: flex;
  flex-direction: column;
}
.exp::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(91,76,240,0.04), transparent 50%);
  pointer-events: none;
}
.exp:hover {
  transform: translateY(-6px);
  border-color: var(--border-strong);
  box-shadow: 0 30px 60px -30px rgba(20,24,60,0.25);
}
.exp-num {
  font-family: var(--font-serif);
  font-size: 2.4rem;
  color: var(--ink);
  letter-spacing: -0.02em;
  line-height: 1;
  margin-bottom: 0.6rem;
  background: linear-gradient(135deg, var(--accent), var(--accent-warm));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.exp-tag {
  font-size: 0.74rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--ink-muted);
  font-weight: 600;
  margin-bottom: 0.8rem;
}
.exp h3 {
  font-size: 1.35rem;
  margin-bottom: 0.8rem;
}
.exp p { color: var(--ink-3); font-size: 0.95rem; }
.exp p:last-child { margin-bottom: 0; }

/* ---------- 22b. Epigraph (Faggin opening for The Egg) ---------- */
.epigraph {
  max-width: 720px;
  margin: 0 auto 3rem;
  padding: 2rem clamp(1.5rem, 4vw, 2.5rem);
  border: 0;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  text-align: center;
  background: linear-gradient(180deg, transparent, rgba(232,95,77,0.04), transparent);
}
.epigraph p {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: clamp(1.2rem, 2.2vw, 1.65rem);
  line-height: 1.45;
  color: var(--ink);
  font-weight: 300;
  margin-bottom: 1rem;
}
.epigraph cite {
  font-style: normal;
  font-size: 0.78rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-muted);
}

/* ---------- 22c. Experiment image headers ---------- */
.exp-image {
  width: calc(100% + 3.6rem);
  margin: -2rem -1.8rem 1.5rem;
  aspect-ratio: 16 / 9;
  background: linear-gradient(135deg, rgba(184,166,245,0.10), rgba(232,95,77,0.06));
  position: relative;
  overflow: hidden;
  border-bottom: 1px solid var(--border);
}
.exp-image img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.7s var(--ease), filter 0.5s;
}
.exp:hover .exp-image img { transform: scale(1.04); filter: brightness(1.05); }
.exp-image::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 55%, rgba(255,255,255,0.18));
  pointer-events: none;
}

/* Wigner's Friend sidebar */
.exp-sidebar {
  margin-top: 2rem;
  padding: 1.8rem 2rem;
  border-left: 3px solid;
  border-image: linear-gradient(to bottom, var(--accent), var(--accent-warm)) 1;
  background: linear-gradient(120deg, rgba(91,76,240,0.04), rgba(232,95,77,0.03));
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
}
.exp-sidebar-tag {
  font-size: 0.72rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  font-weight: 600;
  color: var(--accent);
  margin-bottom: 0.6rem;
}
.exp-sidebar h3 { font-size: 1.3rem; margin-bottom: 0.6rem; }
.exp-sidebar p { color: var(--ink-3); margin: 0; font-size: 0.96rem; max-width: 60ch; }

/* ---------- 23. Parable + metabolism ---------- */
.parable {
  max-width: 760px;
  margin: 0 auto;
  padding: clamp(2rem, 4vw, 3.5rem) clamp(1.5rem, 4vw, 3rem);
  background: var(--card);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  box-shadow: 0 30px 60px -30px rgba(20,24,60,0.22);
  position: relative;
  overflow: hidden;
}
.parable::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 30% 20%, rgba(232,95,77,0.08), transparent 50%),
    radial-gradient(circle at 70% 80%, rgba(246,196,83,0.10), transparent 50%);
  pointer-events: none;
}
.parable > * { position: relative; }
.parable p {
  font-family: var(--font-serif);
  font-size: clamp(1.1rem, 1.7vw, 1.35rem);
  line-height: 1.55;
  color: var(--ink);
  font-weight: 300;
  margin-bottom: 1.5em;
}
.parable p:first-child::first-letter {
  font-family: var(--font-serif);
  font-size: 4em;
  float: left;
  line-height: 0.85;
  padding: 0.05em 0.1em 0 0;
  color: var(--warm-2);
  font-weight: 400;
}
.parable em { font-style: italic; }
.parable .parable-close {
  font-style: italic;
  font-size: clamp(1.2rem, 2vw, 1.55rem);
  border-top: 1px solid var(--border);
  padding-top: 1.5em;
  background: linear-gradient(90deg, var(--ink), var(--warm-2));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.parable .parable-attrib {
  font-size: 0.85rem;
  color: var(--ink-muted);
  margin-bottom: 0;
  font-style: normal;
  text-align: right;
}

.metabolism-card {
  margin-top: 3.5rem;
  max-width: 760px;
  margin-left: auto;
  margin-right: auto;
  padding: clamp(2rem, 4vw, 3rem);
  background:
    radial-gradient(circle at 50% 0%, rgba(246,196,83,0.18), transparent 55%),
    radial-gradient(circle at 50% 100%, rgba(232,95,77,0.15), transparent 55%),
    var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  text-align: center;
  box-shadow: 0 30px 60px -30px rgba(20,24,60,0.22);
}
.metabolism-card p { max-width: 56ch; margin-left: auto; margin-right: auto; }
.big-word {
  font-family: var(--font-serif);
  font-size: clamp(2.8rem, 7vw, 5rem);
  letter-spacing: -0.03em;
  font-style: italic;
  background: linear-gradient(120deg, var(--warm-2), var(--warm-3));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  margin: 1.5rem 0 0;
  line-height: 1;
}

/* ---------- 23b. Lineage section (Section 12) ---------- */
.lineage-block {
  margin-bottom: 3rem;
}
.lineage-tag {
  font-size: 0.78rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  font-weight: 600;
  color: var(--ink-muted);
  margin-bottom: 1.5rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--border);
}

/* Founder quotes grid */
.quote-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.25rem;
}
.qcard {
  margin: 0;
  padding: 1.5rem 1.6rem;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: transform 0.4s var(--ease), border-color 0.3s, box-shadow 0.4s;
  position: relative;
  overflow: hidden;
}
.qcard::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(184,166,245,0.05), transparent 60%);
  pointer-events: none;
}
.qcard:hover { transform: translateY(-3px); border-color: var(--border-strong); box-shadow: 0 30px 60px -30px rgba(20,24,60,0.22); }
.qcard blockquote {
  margin: 0 0 0.9rem;
  font-family: var(--font-serif);
  font-size: 1.02rem;
  line-height: 1.5;
  color: var(--ink);
  font-style: italic;
  font-weight: 300;
  position: relative;
  padding-left: 1rem;
  border-left: 2px solid var(--aurora-1);
}
.qcard figcaption {
  font-size: 0.85rem;
  color: var(--ink-3);
  line-height: 1.4;
}
.qcard figcaption strong { color: var(--ink); font-weight: 600; font-family: var(--font-serif); font-size: 0.96rem; }
.qcard figcaption em { color: var(--ink-muted); font-style: italic; }

/* Modern theorists grid */
.theorist-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1rem;
}
.tcard {
  padding: 1.3rem 1.5rem;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  transition: transform 0.4s var(--ease), border-color 0.3s;
  position: relative;
}
.tcard:hover { transform: translateY(-2px); border-color: var(--border-strong); }
.tcard h4 {
  font-family: var(--font-serif);
  font-size: 1.08rem;
  margin: 0 0 0.25rem;
  color: var(--ink);
  letter-spacing: -0.01em;
}
.tframework {
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  font-weight: 600;
  color: var(--accent);
  background: linear-gradient(90deg, var(--accent), var(--accent-warm));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  margin-bottom: 0.7rem;
}
.tcard p {
  font-size: 0.9rem;
  color: var(--ink-3);
  margin: 0;
  line-height: 1.5;
}

/* Empirical front-line list */
.empirical-list {
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
}
.empirical-list li {
  padding: 1.1rem 1.4rem 1.1rem 3.5rem;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 0.95rem;
  color: var(--ink-3);
  line-height: 1.55;
  position: relative;
  transition: border-color 0.3s, transform 0.3s var(--ease);
}
.empirical-list li:hover { border-color: var(--border-strong); transform: translateX(3px); }
.empirical-list li::before {
  content: "";
  position: absolute;
  left: 1.4rem;
  top: 1.4rem;
  width: 12px; height: 12px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent), var(--accent-warm));
  box-shadow: 0 0 12px rgba(91,76,240,0.35);
}
.empirical-list strong { color: var(--ink); font-weight: 600; }

.lineage-foot {
  margin-top: 2.5rem;
  text-align: center;
  font-family: var(--font-serif);
  font-style: italic;
  font-size: clamp(1.05rem, 1.7vw, 1.3rem);
  color: var(--ink);
  font-weight: 300;
}

/* ---------- 24. CTA banner ---------- */
.cta-banner {
  border-radius: var(--radius-lg);
  padding: clamp(2.5rem, 6vw, 5rem);
  background:
    radial-gradient(circle at 20% 30%, rgba(184, 166, 245, 0.4), transparent 55%),
    radial-gradient(circle at 80% 70%, rgba(232, 95, 77, 0.35), transparent 55%),
    radial-gradient(circle at 50% 100%, rgba(246, 196, 83, 0.30), transparent 55%),
    #fff;
  border: 1px solid var(--border);
  position: relative;
  overflow: hidden;
  text-align: center;
}
.cta-banner h2 { max-width: 22ch; margin: 0 auto 1.25rem; }
.cta-banner p { max-width: 60ch; margin: 0 auto 2rem; color: var(--ink-3); }
.cta-buttons {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 2rem;
}
.cta-fineprint {
  display: flex;
  gap: 2rem;
  flex-wrap: wrap;
  justify-content: center;
  font-size: 0.82rem;
  color: var(--ink-muted);
  letter-spacing: 0.06em;
}

/* ---------- 25. Footer ---------- */
.site-footer {
  margin-top: 4rem;
  padding: 4rem 0 2rem;
  border-top: 1px solid var(--border);
  position: relative;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 3rem;
  margin-bottom: 3rem;
}
@media (max-width: 760px) { .footer-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 480px) { .footer-grid { grid-template-columns: 1fr; } }
.footer-grid h5 {
  font-family: var(--font-sans);
  font-size: 0.74rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-muted);
  margin: 0 0 1.2rem;
  font-weight: 500;
}
.footer-grid a {
  display: block;
  padding: 0.35rem 0;
  font-size: 0.92rem;
  color: var(--ink-2);
  transition: color 0.3s, transform 0.3s var(--ease);
}
.footer-grid a:hover { color: var(--ink); transform: translateX(3px); }
.footer-tag {
  font-family: var(--font-serif);
  font-size: 1.05rem;
  color: var(--ink);
  margin: 1rem 0;
  line-height: 1.4;
  max-width: 32ch;
  font-style: italic;
  font-weight: 300;
}
.footer-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.82rem;
  color: var(--ink-muted);
  padding-top: 2rem;
  border-top: 1px solid var(--border);
  flex-wrap: wrap;
  gap: 1rem;
}

/* ---------- 26. Keyboard hints overlay ---------- */
.kbd-hints {
  position: fixed;
  inset: 0;
  background: rgba(13, 15, 35, 0.55);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  z-index: 200;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 1rem;
}
.kbd-hints.open { display: flex; }
.kbd-card {
  background: var(--card);
  border-radius: var(--radius-lg);
  padding: 2.5rem 3rem;
  border: 1px solid var(--border);
  box-shadow: 0 40px 80px -20px rgba(0,0,0,0.4);
  max-width: 480px;
}
.kbd-card h4 {
  font-size: 1.4rem;
  margin-bottom: 1.5rem;
  font-family: var(--font-serif);
}
.kbd-card ul {
  display: flex;
  flex-direction: column;
  gap: 0.8rem;
}
.kbd-card li {
  display: flex;
  align-items: center;
  gap: 1rem;
  font-size: 0.95rem;
  color: var(--ink-2);
}

/* ---------- 27. Accessibility ---------- */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
  .aurora-bg::before, .aurora-bg::after, .aurora-bg span { animation: none; }
}

::selection {
  background: rgba(232, 95, 77, 0.22);
  color: var(--ink);
}