:root {
  --bg-top: #020916;
  --bg-mid: #06152f;
  --bg-bottom: #020610;
  --gold: #f7d88b;
  --gold-soft: rgba(247, 216, 139, 0.74);
  --gold-faint: rgba(247, 216, 139, 0.18);
  --blue-glow: rgba(133, 168, 255, 0.18);
  --text: #fff5d5;
  --muted: rgba(255, 245, 213, 0.74);
  --panel-width: min(1180px, calc(100vw - 3rem));
  --shadow: 0 0 38px rgba(247, 216, 139, 0.16);
  --surface: rgba(8, 18, 38, 0.76);
  --surface-border: rgba(247, 216, 139, 0.16);
}

* {
  box-sizing: border-box;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 1rem;
}

body {
  margin: 0;
  color: var(--text);
  font-family: "Plus Jakarta Sans", "Avenir Next", "Segoe UI", sans-serif;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  background:
    radial-gradient(circle at 50% 14%, rgba(93, 122, 255, 0.12), transparent 30%),
    linear-gradient(180deg, var(--bg-top) 0%, var(--bg-mid) 44%, var(--bg-bottom) 100%);
  overflow-x: hidden;
}

.ambient,
.ambient-glow,
.aurora,
.starfield,
.particle-layer,
.meteor-layer,
.vignette,
.grain {
  position: fixed;
  inset: 0;
  pointer-events: none;
}

.ambient {
  overflow: hidden;
}

.ambient-glow {
  inset: auto;
  filter: blur(80px);
}

.ambient-glow-a {
  left: -8vw;
  top: 38vh;
  width: 42vw;
  height: 42vw;
  background: radial-gradient(circle, rgba(111, 143, 255, 0.2), transparent 68%);
}

.ambient-glow-b {
  right: -10vw;
  top: 8vh;
  width: 34vw;
  height: 34vw;
  background: radial-gradient(circle, rgba(250, 210, 122, 0.14), transparent 66%);
}

.aurora {
  opacity: 0.7;
  mix-blend-mode: screen;
}

.aurora-a {
  background:
    radial-gradient(circle at 24% 28%, rgba(126, 157, 255, 0.14), transparent 18%),
    radial-gradient(circle at 56% 18%, rgba(255, 223, 156, 0.08), transparent 12%),
    radial-gradient(circle at 74% 42%, rgba(114, 155, 255, 0.08), transparent 16%);
  animation: auroraShift 20s ease-in-out infinite alternate;
}

.aurora-b {
  background:
    radial-gradient(circle at 60% 26%, rgba(255, 225, 159, 0.08), transparent 15%),
    radial-gradient(circle at 30% 62%, rgba(121, 153, 255, 0.08), transparent 17%);
  animation: auroraShift 26s ease-in-out infinite alternate-reverse;
}

.starfield {
  transform: translate3d(var(--shift-x, 0px), var(--shift-y, 0px), 0);
}

.star {
  position: absolute;
  left: var(--x);
  top: var(--y);
  width: var(--size);
  height: var(--size);
  border-radius: 50%;
  background: rgba(255, 248, 220, var(--alpha));
  box-shadow: 0 0 calc(var(--size) * 10) rgba(255, 235, 184, 0.22);
  animation: twinkle var(--duration) ease-in-out infinite;
  animation-delay: var(--delay);
}

.star::after {
  content: "";
  position: absolute;
  left: 50%;
  top: 50%;
  width: calc(var(--size) * 12);
  height: 1px;
  transform: translate(-50%, -50%);
  background: linear-gradient(90deg, transparent, rgba(255, 240, 206, 0.24), transparent);
}

.particle {
  position: absolute;
  left: var(--x);
  top: var(--y);
  width: var(--size);
  height: var(--size);
  border-radius: 999px;
  background: radial-gradient(circle, rgba(255, 228, 164, 0.44), rgba(255, 228, 164, 0));
  animation: drift var(--duration) linear infinite;
  animation-delay: var(--delay);
  opacity: 0.5;
}

.meteor {
  position: absolute;
  width: var(--length);
  height: 1px;
  left: var(--x);
  top: var(--y);
  background: linear-gradient(90deg, rgba(255, 244, 214, 0), rgba(255, 244, 214, 0.95));
  transform: rotate(-28deg);
  transform-origin: left center;
  box-shadow: 0 0 18px rgba(255, 240, 197, 0.42);
  animation: meteorFall var(--duration) linear infinite;
  animation-delay: var(--delay);
  opacity: 0;
}

.vignette {
  background:
    radial-gradient(circle at center, transparent 34%, rgba(2, 6, 16, 0.28) 65%, rgba(2, 6, 16, 0.85) 100%);
}

.grain {
  opacity: 0.22;
  mix-blend-mode: screen;
  background:
    repeating-linear-gradient(
      180deg,
      rgba(255, 255, 255, 0.018) 0,
      rgba(255, 255, 255, 0.018) 1px,
      transparent 1px,
      transparent 4px
    );
}

.experience {
  position: relative;
  z-index: 2;
}

.progress-nav {
  position: fixed;
  right: 1.25rem;
  top: 50%;
  transform: translateY(-50%);
  z-index: 3;
  display: grid;
  gap: 0.9rem;
}

.progress-dot {
  width: 0.8rem;
  height: 0.8rem;
  border-radius: 999px;
  border: 1px solid rgba(247, 216, 139, 0.28);
  background: rgba(255, 255, 255, 0.04);
  display: block;
  position: relative;
  box-shadow: 0 0 18px rgba(247, 216, 139, 0.08);
  transition:
    transform 280ms cubic-bezier(0.2, 0.8, 0.2, 1),
    background 280ms ease,
    border-color 280ms ease,
    box-shadow 280ms ease;
}

.progress-dot span {
  position: absolute;
  right: 1.4rem;
  top: 50%;
  transform: translateY(-50%);
  white-space: nowrap;
  font-size: 0.7rem;
  letter-spacing: 0.24rem;
  text-transform: uppercase;
  color: rgba(255, 240, 202, 0.44);
  opacity: 0;
  transition: opacity 280ms ease;
}

.progress-dot:hover span,
.progress-dot.is-active span {
  opacity: 1;
}

.progress-dot:hover,
.progress-dot.is-active {
  transform: scale(1.08);
  background: var(--gold);
  border-color: rgba(247, 216, 139, 0.9);
  box-shadow: 0 0 20px rgba(247, 216, 139, 0.44);
}

.chat-toggle,
.chat-close,
.chatbot-send,
.prompt-chip {
  appearance: none;
  border: 0;
  font: inherit;
  color: inherit;
  cursor: pointer;
}

.chapter {
  position: relative;
  min-height: 220svh;
  --progress: 0;
}

.stage {
  position: sticky;
  top: 0;
  min-height: 100svh;
  display: grid;
  align-items: center;
  width: var(--panel-width);
  margin: 0 auto;
  padding: 4rem 0;
  overflow: clip;
}

.chapter-glow {
  position: absolute;
  inset: 10% 10%;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(247, 216, 139, 0.08), rgba(247, 216, 139, 0) 68%);
  opacity: calc(0.25 + var(--progress) * 0.65);
  filter: blur(20px);
}

.eyebrow,
.overline {
  margin: 0;
  font-size: 0.74rem;
  font-weight: 600;
  letter-spacing: 0.34rem;
  text-transform: uppercase;
  color: var(--gold-soft);
}

.title,
.phrase,
.monolith {
  margin: 0;
  font-family: "Prata", Georgia, serif;
  font-weight: 400;
  letter-spacing: 0;
  text-wrap: balance;
  text-shadow: var(--shadow);
}

.whisper,
.caption {
  margin: 0;
  color: var(--muted);
  font-weight: 500;
}

.hero-layout,
.vast-layout,
.opening-layout,
.after-layout {
  position: relative;
  z-index: 1;
}

.hero-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(18rem, 0.95fr);
  align-items: center;
  gap: clamp(2rem, 6vw, 5rem);
}

.hero-copy {
  max-width: 40rem;
  transform: translate3d(0, calc((1 - var(--progress)) * 40px), 0);
  opacity: calc(0.5 + var(--progress) * 0.5);
  will-change: transform, opacity;
}

.title {
  margin-top: 0.7rem;
  max-width: 9.5ch;
  font-size: clamp(3.6rem, 7.8vw, 6.4rem);
  line-height: 1;
}

.title span {
  display: block;
}

.title-line-primary {
  background: linear-gradient(180deg, rgba(255, 247, 224, 1), rgba(247, 216, 139, 0.9));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.title-line-secondary {
  margin-top: 0.45rem;
  margin-left: clamp(0.2rem, 2vw, 1.4rem);
  font-family: "Plus Jakarta Sans", "Avenir Next", "Segoe UI", sans-serif;
  font-size: clamp(0.98rem, 1.55vw, 1.42rem);
  font-weight: 600;
  letter-spacing: 0.58rem;
  text-transform: uppercase;
  color: rgba(255, 240, 202, 0.92);
  text-shadow: none;
}

.whisper {
  margin-top: 1.2rem;
  max-width: 24ch;
  font-size: clamp(1rem, 1.3vw, 1.22rem);
  line-height: 1.6;
  letter-spacing: 0.01em;
}

.portal-wrap {
  position: relative;
  width: min(40vw, 29rem);
  aspect-ratio: 1;
  justify-self: center;
  transform:
    translate3d(0, calc((0.45 - var(--progress)) * 48px), 0)
    scale(calc(0.84 + var(--progress) * 0.16))
    rotate(calc(-5deg + var(--progress) * 6deg));
  opacity: calc(0.35 + var(--progress) * 0.65);
  will-change: transform, opacity;
}

.portal-halo,
.portal-ring,
.portal-core,
.portal-shimmer {
  position: absolute;
  inset: 0;
  border-radius: 50%;
}

.portal-halo {
  inset: -14%;
  background:
    radial-gradient(circle, rgba(246, 213, 128, 0.18), rgba(246, 213, 128, 0) 60%),
    radial-gradient(circle, rgba(118, 148, 255, 0.18), rgba(118, 148, 255, 0) 65%);
  filter: blur(18px);
}

.portal-ring {
  border: 1px solid rgba(247, 216, 139, 0.42);
  box-shadow:
    inset 0 0 40px rgba(247, 216, 139, 0.08),
    0 0 40px rgba(247, 216, 139, 0.16);
}

.portal-ring::before,
.portal-ring::after {
  content: "";
  position: absolute;
  inset: 8%;
  border-radius: 50%;
  border: 1px solid rgba(255, 242, 204, 0.08);
}

.portal-ring::after {
  inset: 16%;
}

.portal-core {
  inset: 11%;
  overflow: hidden;
  background:
    radial-gradient(circle at 50% 48%, rgba(255, 224, 150, 0.16), rgba(255, 224, 150, 0) 26%),
    radial-gradient(circle at 48% 26%, rgba(132, 163, 255, 0.16), transparent 38%),
    linear-gradient(180deg, rgba(5, 16, 38, 0.9), rgba(3, 8, 20, 0.98));
  box-shadow: inset 0 0 80px rgba(255, 224, 150, 0.06);
}

.portal-shimmer {
  background:
    conic-gradient(
      from 160deg,
      rgba(255, 228, 158, 0.24),
      rgba(255, 228, 158, 0),
      rgba(105, 139, 255, 0.26),
      rgba(255, 228, 158, 0.18)
    );
  filter: blur(20px);
  animation: slowSpin 26s linear infinite;
  mix-blend-mode: screen;
}

.portal-stars {
  position: absolute;
  inset: 0;
}

.scroll-mark {
  position: absolute;
  left: 50%;
  bottom: 2rem;
  transform: translateX(-50%);
  width: 2.8rem;
  height: 4.9rem;
  border-radius: 999px;
  border: 1px solid rgba(247, 216, 139, 0.28);
  display: grid;
  place-items: start center;
  padding-top: 0.7rem;
  box-shadow: 0 0 24px rgba(247, 216, 139, 0.1);
}

.scroll-mark span {
  width: 0.34rem;
  height: 0.92rem;
  border-radius: 999px;
  background: var(--gold);
  box-shadow: 0 0 16px rgba(247, 216, 139, 0.6);
  animation: scrollPulse 2.2s ease-in-out infinite;
}

.vast-layout {
  display: grid;
  grid-template-columns: minmax(14rem, 0.95fr) minmax(0, 1.05fr);
  align-items: center;
  gap: clamp(2rem, 6vw, 6rem);
}

.sky-detail {
  position: relative;
  min-height: 28rem;
}

.moon-disc {
  position: absolute;
  inset: 16% auto auto 18%;
  width: min(14rem, 24vw);
  aspect-ratio: 1;
  border-radius: 50%;
  background:
    radial-gradient(circle at 35% 32%, rgba(255, 240, 208, 0.95), rgba(255, 240, 208, 0.45) 40%, rgba(255, 240, 208, 0.04) 65%, transparent 72%);
  box-shadow: 0 0 50px rgba(255, 235, 190, 0.16);
  opacity: calc(0.2 + var(--progress) * 0.8);
  transform: translate3d(calc((0.5 - var(--progress)) * -28px), calc((1 - var(--progress)) * 50px), 0);
  will-change: transform, opacity;
}

.constellation {
  position: absolute;
  inset: 0;
  opacity: calc(0.1 + var(--progress) * 0.9);
  transform:
    translate3d(calc((0.5 - var(--progress)) * 20px), calc((1 - var(--progress)) * 26px), 0)
    rotate(calc((0.5 - var(--progress)) * 6deg));
  transform-origin: center center;
  will-change: transform, opacity;
}

.constellation span {
  position: absolute;
  width: 0.42rem;
  height: 0.42rem;
  border-radius: 999px;
  background: var(--gold);
  box-shadow: 0 0 18px rgba(247, 216, 139, 0.5);
}

.constellation span::before {
  content: "";
  position: absolute;
  left: 0.25rem;
  top: 0.1rem;
  height: 1px;
  background: linear-gradient(90deg, rgba(247, 216, 139, 0.26), transparent);
}

.constellation-one span:nth-child(1) {
  left: 16%;
  top: 44%;
}

.constellation-one span:nth-child(1)::before {
  width: 8rem;
  transform: rotate(-12deg);
}

.constellation-one span:nth-child(2) {
  left: 44%;
  top: 38%;
}

.constellation-one span:nth-child(2)::before {
  width: 7rem;
  transform: rotate(34deg);
}

.constellation-one span:nth-child(3) {
  left: 66%;
  top: 55%;
}

.constellation-one span:nth-child(3)::before {
  width: 5rem;
  left: -4rem;
  transform: rotate(-50deg);
}

.constellation-one span:nth-child(4) {
  left: 56%;
  top: 22%;
}

.copy-block {
  max-width: 36rem;
  justify-self: end;
  text-align: right;
  transform: translate3d(0, calc((1 - var(--progress)) * 34px), 0);
  opacity: calc(0.35 + var(--progress) * 0.65);
  will-change: transform, opacity;
}

.phrase {
  margin-top: 0.7rem;
  font-size: clamp(2.6rem, 4.6vw, 4.2rem);
  line-height: 1.12;
}

.caption {
  margin-top: 1rem;
  font-size: 0.84rem;
  letter-spacing: 0.08rem;
  text-transform: uppercase;
}

.horizon {
  position: absolute;
  left: 50%;
  right: 0;
  bottom: 0;
  width: 100vw;
  height: 24vh;
  transform: translateX(-50%) translateY(calc((1 - var(--progress)) * 18px));
  overflow: hidden;
  will-change: transform;
}

.ridge {
  position: absolute;
  inset: auto 0 0 0;
  background: linear-gradient(180deg, transparent, rgba(3, 8, 20, 0.96) 30%);
}

.ridge-a {
  height: 100%;
  clip-path: polygon(0% 100%, 0% 60%, 14% 48%, 24% 56%, 35% 42%, 48% 61%, 62% 38%, 76% 58%, 88% 44%, 100% 60%, 100% 100%);
}

.ridge-b {
  height: 88%;
  opacity: 0.72;
  clip-path: polygon(0% 100%, 0% 68%, 18% 54%, 30% 62%, 46% 46%, 58% 66%, 72% 50%, 84% 60%, 100% 50%, 100% 100%);
}

.ridge-c {
  height: 72%;
  opacity: 0.44;
  clip-path: polygon(0% 100%, 0% 72%, 12% 66%, 26% 56%, 40% 62%, 56% 52%, 70% 60%, 86% 54%, 100% 66%, 100% 100%);
}

.opening-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(18rem, 24rem);
  align-items: center;
  gap: clamp(2rem, 6vw, 6rem);
}

.sky-column {
  display: grid;
  gap: 1.5rem;
}

.monolith {
  font-size: clamp(2.8rem, 5.2vw, 4.6rem);
  line-height: 1.08;
  letter-spacing: 0.005em;
  max-width: 12ch;
  opacity: calc(0.3 + var(--progress) * 0.7);
  transform: translate3d(0, calc((1 - var(--progress)) * 28px), 0);
  will-change: transform, opacity;
}

.monolith:nth-child(2) {
  margin-left: clamp(1rem, 4vw, 4rem);
  transform: translate3d(calc((1 - var(--progress)) * 18px), calc((1 - var(--progress)) * 18px), 0);
}

.monolith:nth-child(3) {
  margin-left: clamp(2rem, 7vw, 7rem);
  transform: translate3d(calc((1 - var(--progress)) * 34px), calc((1 - var(--progress)) * 10px), 0);
}

.light-column {
  position: relative;
  min-height: 32rem;
}

.beam {
  position: absolute;
  left: 50%;
  bottom: 20%;
  width: 1px;
  height: 18rem;
  transform-origin: bottom center;
  background: linear-gradient(180deg, rgba(255, 230, 171, 0), rgba(255, 230, 171, 0.46), rgba(255, 230, 171, 0));
  filter: blur(0.5px);
  opacity: calc(0.1 + var(--progress) * 0.65);
  will-change: transform, opacity;
}

.beam-a {
  transform: rotate(calc(12deg + var(--progress) * 10deg)) scaleY(calc(0.72 + var(--progress) * 0.32));
}

.beam-b {
  transform: rotate(calc(-12deg - var(--progress) * 10deg)) scaleY(calc(0.72 + var(--progress) * 0.32));
}

.orbital-shell {
  position: absolute;
  right: 0;
  top: 50%;
  width: min(24rem, 34vw);
  aspect-ratio: 1;
  transform:
    translateY(-50%)
    rotate(calc((1 - var(--progress)) * 20deg))
    scale(calc(0.85 + var(--progress) * 0.15));
  opacity: calc(0.25 + var(--progress) * 0.75);
  will-change: transform, opacity;
}

.orbital-ring,
.after-orbit-ring {
  position: absolute;
  inset: 0;
  border-radius: 50%;
  border: 1px solid rgba(247, 216, 139, 0.18);
}

.ring-a {
  animation: slowSpin 28s linear infinite;
}

.ring-b {
  inset: 14%;
  animation: slowSpin 22s linear infinite reverse;
}

.orbital-star,
.after-orbit-core {
  position: absolute;
  border-radius: 999px;
}

.orbital-star-a {
  width: 0.76rem;
  height: 0.76rem;
  left: 58%;
  top: 16%;
  background: var(--gold);
  box-shadow: 0 0 22px rgba(247, 216, 139, 0.65);
  animation: orbitOne 11s linear infinite;
}

.orbital-star-b {
  width: 0.52rem;
  height: 0.52rem;
  left: 32%;
  top: 70%;
  background: rgba(187, 209, 255, 0.9);
  box-shadow: 0 0 20px rgba(187, 209, 255, 0.55);
  animation: orbitTwo 14s linear infinite reverse;
}

.after-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(18rem, 24rem);
  align-items: center;
  gap: clamp(2rem, 6vw, 6rem);
}

.after-card {
  max-width: 34rem;
  padding: clamp(1.8rem, 3vw, 3rem);
  border: 1px solid rgba(247, 216, 139, 0.14);
  border-radius: 2rem;
  background: linear-gradient(180deg, rgba(7, 17, 37, 0.52), rgba(4, 10, 22, 0.18));
  backdrop-filter: blur(14px);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.04),
    0 20px 60px rgba(0, 0, 0, 0.24);
  transform:
    translate3d(0, calc((1 - var(--progress)) * 30px), 0)
    rotate(calc((0.5 - var(--progress)) * 1.4deg));
  opacity: calc(0.35 + var(--progress) * 0.65);
  will-change: transform, opacity;
}

.after-card .caption {
  text-transform: none;
  letter-spacing: 0;
  font-size: 1rem;
}

.after-orbit {
  position: relative;
  width: min(24rem, 34vw);
  aspect-ratio: 1;
  justify-self: center;
  opacity: calc(0.26 + var(--progress) * 0.74);
  transform:
    translate3d(0, calc((0.5 - var(--progress)) * -20px), 0)
    scale(calc(0.88 + var(--progress) * 0.12));
  will-change: transform, opacity;
}

.after-orbit-core {
  inset: 34%;
  background:
    radial-gradient(circle, rgba(255, 229, 162, 0.2), rgba(255, 229, 162, 0.02) 65%, transparent 72%);
  box-shadow: 0 0 48px rgba(247, 216, 139, 0.14);
}

.after-orbit-ring {
  animation: slowSpin 24s linear infinite;
}

.after-orbit-ring-two {
  inset: 14%;
  animation-direction: reverse;
  animation-duration: 18s;
}

.chat-toggle {
  position: fixed;
  right: 1.5rem;
  bottom: 1.5rem;
  z-index: 4;
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  padding: 0.72rem 0.92rem;
  border-radius: 999px;
  color: var(--text);
  background:
    linear-gradient(180deg, rgba(14, 27, 53, 0.76), rgba(7, 15, 32, 0.7));
  border: 1px solid rgba(247, 216, 139, 0.14);
  box-shadow:
    0 14px 30px rgba(0, 0, 0, 0.22),
    inset 0 1px 0 rgba(255, 255, 255, 0.05);
  transition:
    transform 260ms ease,
    box-shadow 260ms ease,
    border-color 260ms ease,
    opacity 260ms ease;
  opacity: 0.84;
}

.chat-toggle-mark {
  width: 0.7rem;
  height: 0.7rem;
  display: inline-block;
  border-radius: 999px;
  background: var(--gold);
  box-shadow: 0 0 18px rgba(247, 216, 139, 0.7);
}

.chat-toggle:hover {
  transform: translateY(-2px);
  border-color: rgba(247, 216, 139, 0.28);
  box-shadow:
    0 18px 36px rgba(0, 0, 0, 0.26),
    0 0 24px rgba(247, 216, 139, 0.1);
  opacity: 1;
}

.chat-toggle-label {
  letter-spacing: 0.14rem;
  text-transform: uppercase;
  font-size: 0.66rem;
  font-weight: 600;
}

.chatbot {
  position: fixed;
  right: 1.5rem;
  bottom: 5.8rem;
  z-index: 4;
  width: min(22rem, calc(100vw - 2rem));
  opacity: 0;
  transform: translate3d(0, 18px, 0) scale(0.98);
  pointer-events: none;
  transition:
    opacity 280ms ease,
    transform 360ms cubic-bezier(0.2, 0.8, 0.2, 1);
}

.chatbot.is-open {
  opacity: 1;
  transform: translate3d(0, 0, 0) scale(1);
  pointer-events: auto;
}

.chatbot-shell {
  display: grid;
  gap: 1rem;
  padding: 0.9rem;
  border-radius: 1.4rem;
  background:
    linear-gradient(180deg, rgba(11, 22, 46, 0.82), rgba(4, 10, 22, 0.78));
  border: 1px solid rgba(247, 216, 139, 0.12);
  backdrop-filter: blur(18px);
  box-shadow:
    0 20px 54px rgba(0, 0, 0, 0.28),
    inset 0 1px 0 rgba(255, 255, 255, 0.04);
}

.chatbot-header {
  display: flex;
  align-items: start;
  justify-content: space-between;
  gap: 1rem;
}

.chatbot-kicker {
  margin: 0;
  color: var(--gold-soft);
  text-transform: uppercase;
  letter-spacing: 0.2rem;
  font-size: 0.64rem;
}

.chatbot-title {
  margin: 0.3rem 0 0;
  font-family: "Prata", Georgia, serif;
  font-size: 1.72rem;
  line-height: 1;
}

.chat-close {
  padding: 0.55rem 0.8rem;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.04);
  color: var(--muted);
}

.chatbot-feed {
  display: grid;
  gap: 0.75rem;
  max-height: 18rem;
  overflow: auto;
  padding-right: 0.2rem;
}

.chatbot-feed::-webkit-scrollbar {
  width: 0.45rem;
}

.chatbot-feed::-webkit-scrollbar-thumb {
  background: rgba(247, 216, 139, 0.18);
  border-radius: 999px;
}

.chat-message {
  max-width: 92%;
  padding: 0.9rem 1rem;
  border-radius: 1.1rem;
  font-size: 0.88rem;
  line-height: 1.62;
}

.chat-message p {
  margin: 0;
}

.chat-message-bot {
  justify-self: start;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(247, 216, 139, 0.08);
}

.chat-message-user {
  justify-self: end;
  background: rgba(247, 216, 139, 0.12);
  border: 1px solid rgba(247, 216, 139, 0.16);
}

.chatbot-prompts {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
}

.prompt-chip {
  padding: 0.55rem 0.8rem;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(247, 216, 139, 0.12);
  color: var(--muted);
  transition:
    background 220ms ease,
    border-color 220ms ease,
    color 220ms ease;
}

.prompt-chip:hover {
  background: rgba(247, 216, 139, 0.08);
  border-color: rgba(247, 216, 139, 0.24);
  color: var(--text);
}

.chatbot-form {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 0.65rem;
}

.chatbot-input {
  min-width: 0;
  padding: 0.95rem 1rem;
  border-radius: 1rem;
  border: 1px solid rgba(247, 216, 139, 0.14);
  background: rgba(255, 255, 255, 0.04);
  color: var(--text);
  font: inherit;
  transition:
    border-color 220ms ease,
    box-shadow 220ms ease,
    background 220ms ease;
}

.chatbot-input::placeholder {
  color: rgba(255, 245, 213, 0.44);
}

.chatbot-input:focus {
  outline: none;
  border-color: rgba(247, 216, 139, 0.34);
  box-shadow: 0 0 0 3px rgba(247, 216, 139, 0.08);
  background: rgba(255, 255, 255, 0.06);
}

.chatbot-send {
  padding: 0.95rem 1rem;
  border-radius: 1rem;
  background: linear-gradient(180deg, rgba(247, 216, 139, 0.24), rgba(247, 216, 139, 0.12));
  color: var(--text);
  letter-spacing: 0.1rem;
  text-transform: uppercase;
  font-size: 0.74rem;
}

@keyframes twinkle {
  0%,
  100% {
    opacity: 0.3;
    transform: scale(0.85);
  }
  50% {
    opacity: 1;
    transform: scale(1.35);
  }
}

@keyframes drift {
  0% {
    transform: translate3d(0, 0, 0) scale(0.6);
    opacity: 0;
  }
  20% {
    opacity: 0.42;
  }
  60% {
    transform: translate3d(4vw, -12vh, 0) scale(1);
    opacity: 0.56;
  }
  100% {
    transform: translate3d(-2vw, -22vh, 0) scale(1.36);
    opacity: 0;
  }
}

@keyframes meteorFall {
  0% {
    opacity: 0;
    transform: translate3d(0, 0, 0) rotate(-28deg);
  }
  10%,
  16% {
    opacity: 1;
  }
  100% {
    opacity: 0;
    transform: translate3d(-26vw, 24vh, 0) rotate(-28deg);
  }
}

@keyframes auroraShift {
  from {
    transform: translate3d(-2vw, 0, 0) scale(1);
  }
  to {
    transform: translate3d(2vw, -2vh, 0) scale(1.06);
  }
}

@keyframes slowSpin {
  from {
    transform: rotate(0deg);
  }
  to {
    transform: rotate(360deg);
  }
}

@keyframes orbitOne {
  from {
    transform: rotate(0deg) translateX(6.4rem) rotate(0deg);
  }
  to {
    transform: rotate(360deg) translateX(6.4rem) rotate(-360deg);
  }
}

@keyframes orbitTwo {
  from {
    transform: rotate(0deg) translateX(4.4rem) rotate(0deg);
  }
  to {
    transform: rotate(360deg) translateX(4.4rem) rotate(-360deg);
  }
}

@keyframes scrollPulse {
  0%,
  100% {
    transform: translateY(0);
    opacity: 0.55;
  }
  50% {
    transform: translateY(1.6rem);
    opacity: 1;
  }
}

@media (max-width: 980px) {
  .progress-nav {
    right: 0.8rem;
  }

  .progress-dot span {
    display: none;
  }

  .hero-layout,
  .vast-layout,
  .opening-layout,
  .after-layout {
    grid-template-columns: 1fr;
    gap: 2.25rem;
  }

  .hero-copy,
  .copy-block,
  .after-card {
    max-width: 100%;
  }

  .copy-block {
    justify-self: start;
    text-align: left;
  }

  .portal-wrap,
  .orbital-shell,
  .after-orbit {
    width: min(74vw, 24rem);
  }

  .light-column {
    min-height: 22rem;
  }

  .orbital-shell {
    right: auto;
    left: 50%;
    transform: translate(-50%, -50%) scale(calc(0.85 + var(--progress) * 0.15));
  }

  .monolith:nth-child(2),
  .monolith:nth-child(3) {
    margin-left: 0;
  }

  .horizon {
    height: 18vh;
  }

  .chat-toggle,
  .chatbot {
    right: 1rem;
  }
}

@media (max-width: 720px) {
  :root {
    --panel-width: min(100vw - 1.5rem, 42rem);
  }

  .stage {
    padding: 3rem 0;
  }

  .chapter {
    min-height: 180svh;
  }

  .eyebrow,
  .overline {
    letter-spacing: 0.24rem;
    font-size: 0.68rem;
  }

  .title {
    font-size: clamp(2.6rem, 10.8vw, 4.3rem);
    line-height: 1;
  }

  .title-line-secondary {
    margin-left: 0;
    letter-spacing: 0.34rem;
    font-size: clamp(0.84rem, 3vw, 1rem);
  }

  .whisper {
    font-size: clamp(0.92rem, 3.9vw, 1.08rem);
  }

  .phrase {
    font-size: clamp(2.05rem, 7.2vw, 3.15rem);
  }

  .monolith {
    font-size: clamp(2.15rem, 7.4vw, 3.15rem);
    line-height: 1.04;
  }

  .copy-stack {
    gap: 1rem;
  }

  .caption {
    font-size: 0.76rem;
    letter-spacing: 0.05rem;
  }

  .sky-detail {
    min-height: 20rem;
  }

  .moon-disc {
    inset: 12% auto auto 10%;
    width: min(10rem, 38vw);
  }

  .chat-toggle {
    bottom: 1rem;
    padding: 0.72rem 0.88rem;
  }

  .chat-toggle-label {
    letter-spacing: 0.12rem;
    font-size: 0.64rem;
  }

  .chatbot {
    right: 0.75rem;
    left: 0.75rem;
    bottom: 5.4rem;
    width: auto;
  }

  .chatbot-shell {
    border-radius: 1.2rem;
  }

  .chatbot-form {
    grid-template-columns: 1fr;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  .aurora,
  .star,
  .particle,
  .meteor,
  .portal-shimmer,
  .ring-a,
  .ring-b,
  .after-orbit-ring,
  .orbital-star-a,
  .orbital-star-b,
  .scroll-mark span {
    animation: none;
  }

  .starfield {
    transform: none;
  }
}