:root {
  /* Space Mono" (Google Fonts IBM Plex Mono" (Google Fonts JetBrains Mono" (Google Fonts IntersectionObserver with `threshold: 0.15`. Stagger entries by 150ms per card. Cards alternate alignment (odd-left IntersectionObserver` entry IntersectionObserver` for section detection and `requestAnimationFrame` for smooth scroll-linked transforms. Three parallax layers: Source | Pale Apricot | #FFDAB9 | */
  --bg-deep: #1a1a2e;
  --bg-mid: #16213e;
  --surface-hex: #2A2A3E;
  --surface: rgba(42, 42, 62, 0.65);
  --text-primary: #F2E9DE;
  --text-secondary: #C4B8D9;
  --accent-warm: #E8B4B8;
  --accent-cool: #B8D4C4;
  --accent-highlight: #F5D5C8;
  --glow-source: #FFDAB9;
  --border: #3a3a5e;
  --glow-color: var(--accent-warm);
  --glow-intensity: .82;
  --glow-spread: 20px;
  --scroll-progress: 0;
}

* { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  background: var(--bg-deep);
}

body {
  margin: 0;
  min-height: 100vh;
  overflow-x: hidden;
  color: var(--text-secondary);
  font-family: "IBM Plex Mono", ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  font-size: clamp(0.9rem, 1.2vw, 1.1rem);
  line-height: 1.8;
  letter-spacing: 0.02em;
  background:
    radial-gradient(circle at 20% 12%, rgba(255, 218, 185, .12), transparent 28rem),
    radial-gradient(circle at 84% 36%, rgba(184, 212, 196, .09), transparent 30rem),
    linear-gradient(180deg, var(--bg-deep), var(--bg-mid) 46%, var(--bg-deep));
}

.site-grain {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 60;
  opacity: .18;
  background-image:
    repeating-radial-gradient(circle at 13% 17%, rgba(242, 233, 222, .12) 0 1px, transparent 1px 4px),
    repeating-linear-gradient(93deg, rgba(255,255,255,.025) 0 1px, transparent 1px 5px);
  mix-blend-mode: screen;
}

.site-label {
  position: fixed;
  top: 1.25rem;
  left: 1.3rem;
  z-index: 70;
  font-family: "JetBrains Mono", ui-monospace, monospace;
  font-weight: 300;
  font-size: clamp(0.7rem, 0.9vw, 0.85rem);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent-warm);
  text-shadow: 0 0 18px rgba(232, 180, 184, .35);
}

.dot-nav {
  position: fixed;
  right: 1.35rem;
  top: 50%;
  transform: translateY(-50%);
  z-index: 70;
  display: grid;
  gap: 1rem;
}

.dot {
  width: .55rem;
  height: .55rem;
  border: 1px solid var(--border);
  border-radius: 50%;
  background: rgba(58, 58, 94, .55);
  transition: transform .35s ease, background .35s ease, box-shadow .35s ease, border-color .35s ease;
}

.dot.active {
  transform: scale(1.45);
  border-color: var(--glow-source);
  background: var(--glow-source);
  box-shadow: 0 0 5px rgba(255,218,185,.55), 0 0 20px rgba(255,218,185,.32), 0 0 60px rgba(255,218,185,.12);
}

.scene {
  position: relative;
  min-height: 100vh;
  padding: clamp(5rem, 8vw, 8rem) clamp(1.5rem, 6vw, 6rem);
  overflow: hidden;
  isolation: isolate;
}

.threshold, .exit {
  display: grid;
  place-items: center;
  background-color: var(--bg-deep);
}

[data-depth="0"] {
  transform: translateY(calc(var(--scroll-progress) * -30px));
  will-change: transform;
}

[data-depth="1"] {
  transform: translateY(calc(var(--scroll-progress) * -10px));
  will-change: transform;
}

.pattern-layer {
  position: absolute;
  inset: -8%;
  z-index: -2;
  opacity: .72;
}

.seigaiha {
  background-image: radial-gradient(circle at 50% 100%, transparent 0 22px, rgba(58, 58, 94, .72) 23px, transparent 24px), radial-gradient(circle at 50% 100%, transparent 0 44px, rgba(58, 58, 94, .5) 45px, transparent 46px);
  background-size: 92px 46px;
}

.threshold-inner, .exit-copy {
  position: relative;
  z-index: 2;
  text-align: center;
  max-width: 58rem;
}

.eyebrow, .counter-label, small, .thumb span {
  font-family: "JetBrains Mono", ui-monospace, monospace;
  font-weight: 300;
  font-size: clamp(0.7rem, 0.9vw, 0.85rem);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent-warm);
}

.display-title, h2, h3 {
  font-family: "Space Mono", ui-monospace, monospace;
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: 0.04em;
  text-shadow: 0 0 20px rgba(242, 233, 222, 0.3);
}

.display-title {
  margin: .35rem 0 .2rem;
  font-size: clamp(4rem, 16vw, 12rem);
  line-height: .9;
}

h2 {
  margin: .25rem 0 0;
  font-size: clamp(2rem, 5vw, 4rem);
  line-height: 1.08;
}

h3 {
  margin: .15rem 0 .85rem;
  font-size: clamp(1.25rem, 2.2vw, 2rem);
}

.neon-underline {
  width: min(32rem, 68vw);
  height: 2px;
  margin: 0 auto 1.6rem;
  background: var(--glow-source);
  border-radius: 999px;
  --glow-color: var(--glow-source);
}

.welcome-line {
  opacity: 0;
  animation: welcomeFade 1.1s ease 1.5s forwards;
  color: var(--text-secondary);
}

.neon-glow {
  box-shadow:
    0 0 5px color-mix(in srgb, var(--glow-color) calc(40% * var(--glow-intensity)), transparent),
    0 0 var(--glow-spread) color-mix(in srgb, var(--glow-color) calc(20% * var(--glow-intensity)), transparent),
    0 0 60px color-mix(in srgb, var(--glow-color) calc(8% * var(--glow-intensity)), transparent);
  animation: glowBreath 4s ease-in-out infinite;
}

.drift {
  position: absolute;
  z-index: -1;
  color: #3a3a5e;
  font-family: "JetBrains Mono", ui-monospace, monospace;
  font-size: clamp(4rem, 12vw, 10rem);
  letter-spacing: .2em;
  opacity: .24;
  animation: slowDrift 22s ease-in-out infinite alternate;
}

.drift-one { top: 14%; left: 5%; }
.drift-two { right: -4%; bottom: 8%; animation-duration: 29s; }

.conversation {
  background: linear-gradient(180deg, rgba(22,33,62,.82), rgba(26,26,46,.96));
}

.section-copy {
  max-width: 54rem;
  margin-bottom: clamp(3rem, 6vw, 6rem);
}

.section-copy.compact { margin: 0; }

.conversation-motifs svg {
  width: 100%;
  height: 100%;
}

.motif-line {
  fill: none;
  stroke: #3a3a5e;
  stroke-width: 1.2;
  opacity: .6;
}

.card-stream {
  max-width: 72rem;
  margin: 0 auto;
  display: grid;
  gap: clamp(1.4rem, 4vw, 3rem);
}

.conversation-card {
  width: min(36rem, 100%);
  padding: clamp(1.35rem, 3vw, 2.4rem);
  border-radius: 28px;
  border: 1px solid #3a3a5e;
  background: rgba(42, 42, 62, 0.65);
  backdrop-filter: blur(12px) saturate(1.2);
  --glow-color: var(--accent-highlight);
  opacity: 0;
  transform: translateY(40px);
  transition: opacity .8s ease, transform .8s ease, border-color .35s ease, box-shadow .35s ease;
}

.conversation-card:nth-child(even) { margin-left: auto; --glow-color: var(--accent-cool); }
.conversation-card:nth-child(odd) { margin-right: auto; }
.conversation-card.is-visible { opacity: 1; transform: translateY(0); }
.conversation-card:hover { border-color: var(--glow-color); --glow-intensity: 1; transform: translateY(-6px); }
.card-glyph { color: var(--glow-source); text-shadow: 0 0 18px rgba(255,218,185,.35); }

.counter-scene {
  display: grid;
  place-items: center;
  background: linear-gradient(90deg, rgba(26,26,46,.98), rgba(22,33,62,.9), rgba(26,26,46,.98));
}

.counter-band {
  width: min(78rem, 100%);
  padding: clamp(2rem, 5vw, 4.5rem);
  border-top: 1px solid #3a3a5e;
  border-bottom: 1px solid #3a3a5e;
  background: linear-gradient(90deg, transparent, rgba(42,42,62,.65), transparent);
  --glow-color: var(--glow-source);
}

.counter-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: clamp(1rem, 3vw, 3rem);
  margin-top: clamp(2rem, 5vw, 4rem);
}

.counter-number {
  display: block;
  font-family: "Space Mono", ui-monospace, monospace;
  font-weight: 700;
  font-size: clamp(2.5rem, 7vw, 6rem);
  line-height: 1;
  color: var(--accent-highlight);
  text-shadow: 0 0 5px rgba(245,213,200,.35), 0 0 20px rgba(245,213,200,.22), 0 0 60px rgba(245,213,200,.1);
}

.counter-item:nth-child(2) .counter-number { color: var(--accent-cool); text-shadow: 0 0 20px rgba(184,212,196,.28); }
.counter-item:nth-child(3) .counter-number { color: var(--text-primary); text-shadow: 0 0 20px rgba(242,233,222,.28); }

.enso {
  position: absolute;
  width: clamp(12rem, 26vw, 25rem);
  aspect-ratio: 1;
  border: 1px solid rgba(58,58,94,.8);
  border-radius: 47% 53% 50% 45%;
  filter: drop-shadow(0 0 18px rgba(58,58,94,.45));
}

.enso-left { left: -5rem; top: 15%; }
.enso-right { right: -7rem; bottom: 7%; transform: rotate(40deg); }

.gallery {
  background: radial-gradient(circle at 72% 24%, rgba(196,184,217,.12), transparent 24rem), var(--bg-deep);
}

.gallery-field {
  max-width: 78rem;
  min-height: 46rem;
  margin: 0 auto;
  position: relative;
  perspective: 900px;
}

.thumb {
  position: absolute;
  width: min(22rem, 45vw);
  min-height: 13rem;
  padding: 1.35rem;
  border: 1px solid #3a3a5e;
  border-radius: 24px;
  background: rgba(42, 42, 62, 0.65);
  backdrop-filter: blur(12px) saturate(1.2);
  transition: transform .45s ease, border-color .45s ease, filter .45s ease, opacity .45s ease;
}

.thumb:nth-child(1) { left: 3%; top: 6%; }
.thumb:nth-child(2) { right: 9%; top: 0; transform: translateZ(-20px) rotate(2deg); }
.thumb:nth-child(3) { left: 24%; top: 36%; transform: translateZ(30px) rotate(-1deg); }
.thumb:nth-child(4) { right: 0; top: 48%; transform: translateZ(-50px) rotate(3deg); }
.thumb:nth-child(5) { left: 2%; bottom: 0; transform: translateZ(20px) rotate(-2deg); }
.thumb.peach { --glow-color: var(--accent-highlight); }
.thumb.sage { --glow-color: var(--accent-cool); }
.thumb.rose { --glow-color: var(--accent-warm); }
.thumb.lavender { --glow-color: var(--text-secondary); }
.gallery-field:hover .thumb:not(:hover) { opacity: .62; transform: translateZ(-80px) scale(.96); }
.thumb:hover { z-index: 5; transform: translateZ(80px) scale(1.05) !important; border-color: var(--glow-color); --glow-intensity: 1; }

.mandala {
  position: absolute;
  width: clamp(16rem, 34vw, 34rem);
  aspect-ratio: 1;
  opacity: .17;
  background: repeating-conic-gradient(from 0deg, transparent 0deg 8deg, #3a3a5e 9deg 10deg, transparent 11deg 22deg), radial-gradient(circle, transparent 0 32%, #3a3a5e 33% 33.5%, transparent 34% 48%, #3a3a5e 49% 49.5%, transparent 50%);
  border-radius: 50%;
  animation: mandalaSpin 120s linear infinite;
}

.mandala-a { top: -10rem; right: -12rem; }
.mandala-b { bottom: -14rem; left: -10rem; animation-direction: reverse; }

.exit-copy p:last-child {
  max-width: 42rem;
  margin: 1.4rem auto 0;
}

.cursor-orb {
  position: fixed;
  left: 0;
  top: 0;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  pointer-events: none;
  opacity: 0;
  z-index: 80;
  background: #FFDAB9;
  box-shadow: 0 0 5px rgba(255,218,185,.7), 0 0 20px rgba(255,218,185,.38), 0 0 60px rgba(255,218,185,.16);
  transform: translate(-50%, -50%);
}

.orb-trail {
  position: fixed;
  border-radius: 50%;
  pointer-events: none;
  z-index: 79;
  background: #FFDAB9;
  box-shadow: 0 0 18px rgba(255,218,185,.35);
  transform: translate(-50%, -50%);
  animation: trailFade .6s ease forwards;
}

@keyframes welcomeFade { to { opacity: 1; transform: translateY(0); } from { opacity: 0; transform: translateY(12px); } }
@keyframes glowBreath { 0%,100% { --glow-intensity: .8; } 50% { --glow-intensity: 1; } }
@keyframes slowDrift { from { transform: translateY(-10px) translateX(-12px); } to { transform: translateY(22px) translateX(18px); } }
@keyframes mandalaSpin { to { transform: rotate(360deg); } }
@keyframes trailFade { to { opacity: 0; transform: translate(-50%, -50%) scale(.2); } }

@media (max-width: 760px) {
  .dot-nav { right: .7rem; }
  .scene { padding-inline: 1.1rem; }
  .counter-row { grid-template-columns: 1fr; }
  .gallery-field { display: grid; gap: 1rem; min-height: auto; }
  .thumb { position: relative; inset: auto !important; width: 100%; transform: none !important; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; scroll-behavior: auto !important; }
  [data-depth="0"], [data-depth="1"] { transform: none !important; }
}