/* ============================================================
   NOCTILUCA — A Field Study in Cold Light
   Cold abyssal palette · ghostly serif + technical mono
   ============================================================ */

:root {
  /* Abyssal palette */
  --void:        #03060d;   /* near-black, deep navy */
  --abyss:       #060c1a;
  --deep:        #0a1426;
  --mid:         #0f1d36;
  --frost:       #dcefff;   /* near-white, blue-shifted */
  --glow:        #6df2ff;   /* bioluminescent cyan */
  --glow-soft:   #2bd0e8;
  --violet:      #8b6cf0;
  --violet-soft: #b49dff;
  --muted:       #5a7393;   /* dim blue-grey */
  --line:        rgba(109, 242, 255, 0.14);
  --line-strong: rgba(109, 242, 255, 0.32);

  /* Type */
  --serif: 'Fraunces', 'Times New Roman', serif;
  --mono:  'JetBrains Mono', 'SF Mono', monospace;

  /* Layout */
  --maxw: 1440px;
  --gut: clamp(1.5rem, 4vw, 4rem);
  --ease: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: auto; -webkit-font-smoothing: antialiased; }

body {
  background: var(--void);
  color: var(--frost);
  font-family: var(--serif);
  font-optical-sizing: auto;
  line-height: 1.5;
  overflow-x: hidden;
  position: relative;
}

/* Lenis */
html.lenis { height: auto; }
.lenis.lenis-smooth { scroll-behavior: auto !important; }

::selection { background: var(--glow); color: var(--void); }

/* ============================================================
   WEBGL CANVAS + VEIL (fixed background)
   ============================================================ */
#ocean-canvas {
  position: fixed;
  inset: 0;
  width: 100vw;
  height: 100vh;
  z-index: 0;
  pointer-events: none;
}
#ocean-veil {
  position: fixed;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  background:
    radial-gradient(ellipse 80% 60% at 50% 0%, rgba(109,242,255,0.06), transparent 60%),
    linear-gradient(180deg, rgba(3,6,13,0.55) 0%, rgba(3,6,13,0.2) 40%, rgba(3,6,13,0.85) 100%);
  transition: background 1.2s var(--ease);
}

main { position: relative; z-index: 2; }

/* Ambient cursor glow — a bioluminescent aura that follows the pointer */
.cursor-glow {
  position: fixed;
  top: 0; left: 0;
  width: 480px; height: 480px;
  margin: -240px 0 0 -240px;
  z-index: 4;
  pointer-events: none;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(109,242,255,0.10) 0%, rgba(109,242,255,0.04) 35%, transparent 70%);
  transform: translate3d(50vw, 50vh, 0);
  transition: opacity 0.6s var(--ease);
  opacity: 0;
  will-change: transform;
}
.cursor-glow.active { opacity: 1; }
.grain {
  position: fixed;
  inset: -50%;
  z-index: 3;
  pointer-events: none;
  opacity: 0.035;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='200' height='200'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='2' stitchTiles='stitch'/><feColorMatrix values='0 0 0 0 1  0 0 0 0 1  0 0 0 0 1  0 0 0 1 0'/></filter><rect width='100%25' height='100%25' filter='url(%23n)'/></svg>");
  background-size: 200px 200px;
  animation: grain-shift 0.6s steps(4) infinite;
}
@keyframes grain-shift {
  0%   { transform: translate(0, 0); }
  25%  { transform: translate(-3%, 2%); }
  50%  { transform: translate(2%, -3%); }
  75%  { transform: translate(-2%, -2%); }
  100% { transform: translate(0, 0); }
}

/* ============================================================
   FIXED CHROME (header)
   ============================================================ */
.chrome {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  padding: 1.25rem var(--gut);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  background: linear-gradient(180deg, rgba(3,6,13,0.6), rgba(3,6,13,0));
  transition: background 0.5s var(--ease);
}
.chrome.scrolled {
  background: rgba(3,6,13,0.82);
  border-bottom: 1px solid var(--line);
}
.chrome__inner {
  max-width: var(--maxw);
  margin: 0 auto;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 2rem;
}
.brand {
  display: flex; align-items: center; gap: 0.6rem;
  text-decoration: none; color: var(--frost);
}
.brand__mark {
  width: 10px; height: 10px;
  background: var(--glow);
  border-radius: 50%;
  box-shadow: 0 0 12px var(--glow), 0 0 24px rgba(109,242,255,0.5);
  animation: pulse-mark 2.4s ease-in-out infinite;
}
@keyframes pulse-mark {
  0%, 100% { opacity: 0.6; transform: scale(0.85); }
  50% { opacity: 1; transform: scale(1.1); }
}
.brand__name {
  font-family: var(--mono);
  font-size: 0.8rem;
  letter-spacing: 0.42em;
  font-weight: 500;
}
.chrome__nav {
  display: flex;
  justify-content: center;
  gap: clamp(1rem, 3vw, 2.5rem);
}
.chrome__nav a {
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--muted);
  text-decoration: none;
  transition: color 0.3s var(--ease);
  position: relative;
}
.chrome__nav a::after {
  content: '';
  position: absolute;
  left: 0; right: 0; bottom: -6px;
  height: 1px;
  background: var(--glow);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.4s var(--ease);
}
.chrome__nav a:hover { color: var(--glow); }
.chrome__nav a:hover::after { transform: scaleX(1); }
.chrome__status {
  display: flex; align-items: center; gap: 0.5rem;
  font-family: var(--mono);
  font-size: 0.68rem;
  letter-spacing: 0.14em;
  color: var(--muted);
  text-transform: uppercase;
}
.status-dot {
  width: 6px; height: 6px;
  background: var(--glow);
  border-radius: 50%;
  box-shadow: 0 0 8px var(--glow);
  animation: pulse-mark 1.8s ease-in-out infinite;
}
.status-text { white-space: nowrap; }

/* ============================================================
   DEPTH GAUGE (left rail)
   ============================================================ */
.gauge {
  position: fixed;
  left: var(--gut);
  top: 50%;
  transform: translateY(-50%);
  z-index: 50;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.6rem;
  font-family: var(--mono);
  opacity: 0;
  transition: opacity 0.8s var(--ease);
}
.gauge.visible { opacity: 1; }
.gauge__label {
  font-size: 0.6rem;
  letter-spacing: 0.4em;
  color: var(--muted);
  writing-mode: vertical-rl;
  transform: rotate(180deg);
  margin-bottom: 0.5rem;
}
.gauge__track {
  position: relative;
  width: 1px;
  height: 32vh;
  background: var(--line);
  display: flex;
  justify-content: center;
}
.gauge__fill {
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 0%;
  background: linear-gradient(180deg, var(--glow), var(--violet));
  box-shadow: 0 0 8px var(--glow);
  transition: height 0.1s linear;
}
.gauge__marker {
  position: absolute;
  left: 50%;
  top: 0;
  width: 10px; height: 1px;
  background: var(--frost);
  transform: translateX(-50%);
  box-shadow: 0 0 6px var(--glow);
  transition: top 0.1s linear;
}
.gauge__readout {
  font-size: 1rem;
  color: var(--frost);
  font-variant-numeric: tabular-nums;
}
.gauge__unit { font-size: 0.65rem; color: var(--muted); margin-left: 1px; }
.gauge__zone {
  font-size: 0.55rem;
  letter-spacing: 0.3em;
  color: var(--glow);
  text-align: center;
  width: 80px;
}

/* ============================================================
   SCROLL CUE
   ============================================================ */
.scrollcue {
  position: fixed;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 40;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.6rem;
  font-family: var(--mono);
  font-size: 0.6rem;
  letter-spacing: 0.4em;
  color: var(--muted);
  text-transform: uppercase;
  transition: opacity 0.6s var(--ease);
}
.scrollcue__line {
  width: 1px; height: 40px;
  background: linear-gradient(180deg, var(--glow), transparent);
  position: relative;
  overflow: hidden;
}
.scrollcue__line::after {
  content: '';
  position: absolute;
  top: -40px; left: 0; right: 0;
  height: 40px;
  background: var(--glow);
  animation: drop 2.2s var(--ease) infinite;
}
@keyframes drop {
  0% { top: -40px; opacity: 0; }
  30% { opacity: 1; }
  100% { top: 40px; opacity: 0; }
}

/* ============================================================
   SHARED SECTION HEADERS
   ============================================================ */
.section-num {
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.5em;
  color: var(--glow);
}
.section-tag {
  font-family: var(--mono);
  font-size: 0.65rem;
  letter-spacing: 0.3em;
  color: var(--muted);
  text-transform: uppercase;
}

/* ============================================================
   HERO
   ============================================================ */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 8rem var(--gut) 4rem;
  overflow: hidden;
}
.hero__bg {
  position: absolute;
  inset: 0;
  z-index: -1;
  overflow: hidden;
}
.hero__img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.55;
  filter: saturate(0.85) contrast(1.05);
  transform: scale(1.08);
  will-change: transform;
}
.hero__scrim {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(3,6,13,0.92) 0%, rgba(3,6,13,0.5) 50%, rgba(3,6,13,0.75) 100%),
    linear-gradient(180deg, rgba(3,6,13,0.4) 0%, rgba(3,6,13,0.2) 50%, rgba(3,6,13,0.95) 100%);
}
.hero__content {
  max-width: var(--maxw);
  width: 100%;
  margin: 0 auto;
  position: relative;
  z-index: 1;
}
.hero__eyebrow {
  display: flex;
  align-items: center;
  gap: 1rem;
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.32em;
  color: var(--glow);
  text-transform: uppercase;
  margin-bottom: 2.5rem;
}
.hero__eyebrow .rule {
  width: 48px; height: 1px;
  background: var(--glow);
}
.hero__title {
  font-family: var(--serif);
  font-weight: 300;
  font-size: clamp(3rem, 9.5vw, 9rem);
  line-height: 0.95;
  letter-spacing: -0.03em;
  margin-bottom: 2.5rem;
  color: var(--frost);
  max-width: 16ch;
}
.hero__title .line { display: block; overflow: hidden; }
.hero__title .line > span { display: block; }
.hero__title em {
  font-style: italic;
  font-weight: 200;
  color: var(--glow);
  text-shadow: 0 0 40px rgba(109,242,255,0.4);
}
.hero__sub {
  font-family: var(--serif);
  font-weight: 300;
  font-size: clamp(1.05rem, 1.7vw, 1.4rem);
  line-height: 1.5;
  color: var(--frost);
  opacity: 0.78;
  max-width: 44ch;
  margin-bottom: 4rem;
  letter-spacing: 0.005em;
}
.hero__meta {
  display: flex;
  gap: clamp(1.5rem, 4vw, 4rem);
  flex-wrap: wrap;
}
.meta-block {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
  border-left: 1px solid var(--line-strong);
  padding-left: 1rem;
}
.meta-block__num {
  font-family: var(--serif);
  font-size: clamp(1.3rem, 2.4vw, 2rem);
  font-weight: 300;
  color: var(--frost);
  line-height: 1;
}
.meta-block__label {
  font-family: var(--mono);
  font-size: 0.62rem;
  letter-spacing: 0.16em;
  color: var(--muted);
  text-transform: uppercase;
}
.hero__corner {
  position: absolute;
  bottom: 3rem; right: var(--gut);
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 0.3rem;
  font-family: var(--mono);
  font-size: 0.62rem;
  letter-spacing: 0.2em;
  color: var(--muted);
  text-transform: uppercase;
  text-align: right;
}
/* vertical bathymetric scale on left edge of hero */
.hero__scale {
  position: absolute;
  left: var(--gut);
  bottom: 3rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0;
  font-family: var(--mono);
  font-size: 0.55rem;
  letter-spacing: 0.2em;
  color: var(--muted);
}
.hero__scale-label { padding: 0.4rem 0; }
.hero__scale-tick {
  width: 1px;
  height: 28px;
  background: var(--line-strong);
}
.hero__scale-tick:nth-child(odd) { background: var(--glow); opacity: 0.5; }

/* ============================================================
   MANIFESTO
   ============================================================ */
.manifesto {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: clamp(6rem, 14vh, 12rem) var(--gut);
  display: grid;
  grid-template-columns: 120px 1fr;
  gap: 4rem;
}
.manifesto__index {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  padding-top: 0.5rem;
}
.manifesto__index .section-num { font-size: 1.6rem; }
.manifesto__body { max-width: 60ch; }
.manifesto__lead {
  font-family: var(--serif);
  font-weight: 300;
  font-size: clamp(1.6rem, 3.4vw, 2.9rem);
  line-height: 1.28;
  letter-spacing: -0.015em;
  margin-bottom: 3.5rem;
  color: var(--frost);
}
.manifesto__lead em {
  font-style: italic;
  color: var(--glow);
}
.manifesto__cols {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2.5rem;
  margin-bottom: 3rem;
}
.manifesto__cols p {
  font-family: var(--serif);
  font-weight: 300;
  font-size: 1.02rem;
  line-height: 1.65;
  color: var(--frost);
  opacity: 0.72;
}
.manifesto__formula {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  border-top: 1px solid var(--line);
  padding-top: 2rem;
}
.formula-label {
  font-family: var(--mono);
  font-size: 0.65rem;
  letter-spacing: 0.2em;
  color: var(--muted);
  text-transform: uppercase;
}
.formula {
  font-family: var(--mono);
  font-size: 1.05rem;
  color: var(--frost);
}
.formula i { font-style: italic; color: var(--violet-soft); }
.formula b { color: var(--glow); font-weight: 500; text-shadow: 0 0 12px var(--glow); }

/* ============================================================
   MARQUEE (kinetic type strip)
   ============================================================ */
.marquee {
  overflow: hidden;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  padding: 1.6rem 0;
  background: rgba(6, 12, 26, 0.5);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  position: relative;
}
.marquee__track {
  display: flex;
  align-items: center;
  gap: 3rem;
  width: max-content;
  white-space: nowrap;
  animation: marquee-scroll 48s linear infinite;
}
.marquee:hover .marquee__track { animation-play-state: paused; }
.marquee__item {
  font-family: var(--serif);
  font-style: italic;
  font-weight: 300;
  font-size: clamp(1.6rem, 3.2vw, 2.6rem);
  color: var(--frost);
  letter-spacing: -0.01em;
}
.marquee__item:nth-child(even) { color: var(--glow); font-style: normal; }
.marquee__sep {
  color: var(--glow);
  font-size: 0.8rem;
  opacity: 0.7;
}
@keyframes marquee-scroll {
  from { transform: translateX(0); }
  to   { transform: translateX(-50%); }
}

/* ============================================================
   DESCENT (zones)
   ============================================================ */
.descent {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: clamp(4rem, 10vh, 8rem) var(--gut);
}
.descent__head {
  display: flex;
  align-items: baseline;
  gap: 1.5rem;
  flex-wrap: wrap;
  margin-bottom: 4rem;
}
.descent__head .section-num { font-size: 1rem; }
.descent__title {
  font-family: var(--serif);
  font-weight: 300;
  font-size: clamp(1.6rem, 3.2vw, 2.6rem);
  line-height: 1.2;
  letter-spacing: -0.01em;
  margin-left: auto;
  max-width: 22ch;
  text-align: right;
}
.zones {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}
.zone {
  position: relative;
  background: rgba(6, 12, 26, 0.6);
  backdrop-filter: blur(4px);
  padding: 2.5rem 1.8rem;
  display: flex;
  flex-direction: column;
  gap: 0.8rem;
  transition: background 0.5s var(--ease);
  overflow: hidden;
}
.zone::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 60%, rgba(109,242,255,0.08));
  opacity: 0;
  transition: opacity 0.5s var(--ease);
}
.zone:hover { background: rgba(15, 29, 54, 0.8); }
.zone:hover::before { opacity: 1; }
.zone__bar {
  width: 100%;
  height: 1px;
  background: var(--line);
  margin-bottom: 1rem;
  position: relative;
}
.zone__bar span {
  position: absolute;
  left: 0; top: -1px;
  height: 3px;
  background: var(--glow);
  box-shadow: 0 0 8px var(--glow);
  width: 0;
  transition: width 0.8s var(--ease);
}
.zone.in-view .zone__bar span { width: var(--bar-w, 50%); }
.zone__num {
  font-family: var(--mono);
  font-size: 0.7rem;
  color: var(--glow);
  letter-spacing: 0.3em;
}
.zone__depth {
  font-family: var(--serif);
  font-size: clamp(1.4rem, 2vw, 1.8rem);
  font-weight: 300;
  color: var(--frost);
  line-height: 1;
}
.zone__name {
  font-family: var(--serif);
  font-weight: 400;
  font-style: italic;
  font-size: 1.05rem;
  color: var(--glow);
}
.zone__alias {
  font-family: var(--mono);
  font-size: 0.62rem;
  letter-spacing: 0.18em;
  color: var(--muted);
  text-transform: uppercase;
  margin-top: -0.3rem;
}
.zone__body {
  font-family: var(--serif);
  font-weight: 300;
  font-size: 0.92rem;
  line-height: 1.6;
  color: var(--frost);
  opacity: 0.7;
  margin-top: 0.5rem;
}

/* ============================================================
   SPECIMENS
   ============================================================ */
.specimens {
  padding: clamp(6rem, 12vh, 10rem) 0;
}
.specimens__head {
  max-width: var(--maxw);
  margin: 0 auto 6rem;
  padding: 0 var(--gut);
  display: flex;
  align-items: baseline;
  gap: 1.5rem;
  flex-wrap: wrap;
}
.specimens__head .section-num { font-size: 1rem; }
.specimens__title {
  font-family: var(--serif);
  font-weight: 300;
  font-size: clamp(1.6rem, 3.2vw, 2.6rem);
  line-height: 1.2;
  letter-spacing: -0.01em;
  margin-left: auto;
  max-width: 18ch;
  text-align: right;
}
.specimen {
  max-width: var(--maxw);
  margin: 0 auto 8rem;
  padding: 0 var(--gut);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(2rem, 5vw, 5rem);
  align-items: center;
}
.specimen--right .specimen__media { order: 2; }
.specimen--right .specimen__text { order: 1; }
.specimen--left .specimen__media { order: 1; }
.specimen--left .specimen__text { order: 2; }
.specimen__media {
  position: relative;
  aspect-ratio: 1 / 1;
  overflow: hidden;
  border: 1px solid var(--line-strong);
  box-shadow:
    0 0 0 1px rgba(3,6,13,0.4),
    0 30px 80px -20px rgba(0,0,0,0.8),
    0 0 60px -10px rgba(109,242,255,0.12);
}
.specimen:nth-child(2) .specimen__media,
.specimen:nth-child(4) .specimen__media { aspect-ratio: 1536/1024; }
/* registration corner marks (museum plate aesthetic) */
.specimen__media::before,
.specimen__media::after {
  content: '';
  position: absolute;
  width: 14px; height: 14px;
  border: 1px solid var(--glow);
  z-index: 3;
  opacity: 0.6;
  pointer-events: none;
}
.specimen__media::before { top: 8px; left: 8px; border-right: 0; border-bottom: 0; }
.specimen__media::after  { bottom: 8px; right: 8px; border-left: 0; border-top: 0; }
/* inner glow rim */
.specimen__media > .specimen__plate ~ img,
.specimen__media img { position: relative; z-index: 1; }
.specimen__media .specimen__plate { z-index: 4; }
.specimen__media img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform 1.2s var(--ease), filter 0.8s var(--ease);
  filter: saturate(0.9) contrast(1.02);
}
.specimen__media:hover img { transform: scale(1.04); filter: saturate(1.1) contrast(1.08); }
.specimen__plate {
  position: absolute;
  top: 1rem; left: 1rem;
  font-family: var(--mono);
  font-size: 0.62rem;
  letter-spacing: 0.3em;
  color: var(--frost);
  background: rgba(3,6,13,0.7);
  padding: 0.3rem 0.6rem;
  border: 1px solid var(--line);
}
.specimen__text { max-width: 48ch; }
.specimen__meta {
  display: flex;
  gap: 1.5rem;
  align-items: baseline;
  margin-bottom: 1rem;
  font-family: var(--mono);
}
.specimen__no {
  font-size: 0.7rem;
  letter-spacing: 0.3em;
  color: var(--glow);
}
.specimen__lat {
  font-style: italic;
  font-family: var(--serif);
  font-size: 0.85rem;
  color: var(--muted);
}
.specimen__name {
  font-family: var(--serif);
  font-weight: 300;
  font-size: clamp(2rem, 4vw, 3.2rem);
  line-height: 1.05;
  letter-spacing: -0.02em;
  margin-bottom: 0.8rem;
  color: var(--frost);
}
.specimen__depth {
  font-family: var(--mono);
  font-size: 0.68rem;
  letter-spacing: 0.18em;
  color: var(--glow-soft);
  text-transform: uppercase;
  margin-bottom: 1.5rem;
}
.specimen__body {
  font-family: var(--serif);
  font-weight: 300;
  font-size: 1.02rem;
  line-height: 1.68;
  color: var(--frost);
  opacity: 0.8;
  margin-bottom: 2rem;
}
.specimen__stat {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
  border-top: 1px solid var(--line);
  padding-top: 1.5rem;
}
.specimen__stat > div {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
}
.stat__k {
  font-family: var(--mono);
  font-size: 0.58rem;
  letter-spacing: 0.2em;
  color: var(--muted);
  text-transform: uppercase;
}
.stat__v {
  font-family: var(--serif);
  font-size: 0.92rem;
  color: var(--frost);
}

/* ============================================================
   SPECTRUM
   ============================================================ */
.spectrum {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: clamp(6rem, 14vh, 12rem) var(--gut);
}
.spectrum__head {
  margin-bottom: 4rem;
  max-width: 70ch;
}
.spectrum__head .section-num { font-size: 1rem; display: block; margin-bottom: 0.5rem;}
.spectrum__head .section-tag { display: block; margin-bottom: 2rem;}
.spectrum__title {
  font-family: var(--serif);
  font-weight: 300;
  font-size: clamp(1.8rem, 4vw, 3.2rem);
  line-height: 1.18;
  letter-spacing: -0.015em;
  margin-bottom: 1.5rem;
  max-width: 22ch;
}
.spectrum__sub {
  font-family: var(--serif);
  font-weight: 300;
  font-size: 1.02rem;
  line-height: 1.6;
  color: var(--frost);
  opacity: 0.7;
  max-width: 56ch;
}
.spectrum__viz { position: relative; }
.spectrum__ruler {
  display: flex;
  justify-content: space-between;
  font-family: var(--mono);
  font-size: 0.6rem;
  letter-spacing: 0.15em;
  color: var(--muted);
  margin-bottom: 1rem;
  padding: 0 2px;
}
.spectrum__band {
  position: relative;
  height: 180px;
  border: 1px solid var(--line);
  background:
    linear-gradient(90deg,
      rgba(139,108,240,0.28) 0%,
      rgba(75,130,230,0.32) 20%,
      rgba(0,180,220,0.45) 38%,
      rgba(109,242,255,0.55) 50%,
      rgba(80,200,200,0.30) 64%,
      rgba(160,120,90,0.18) 82%,
      rgba(190,70,70,0.28) 100%),
    var(--deep);
  overflow: hidden;
  cursor: crosshair;
}
.spectrum__band::after {
  content: '';
  position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(3,6,13,0.35), rgba(3,6,13,0.55));
}
.spectrum__curve {
  position: absolute;
  inset: 0;
  z-index: 2;
}
.spectrum__curve svg { width: 100%; height: 100%; display: block; }
#spectrum-path {
  fill: rgba(109,242,255,0.12);
  stroke: var(--glow);
  stroke-width: 1.5;
  filter: drop-shadow(0 0 8px var(--glow));
}
.spectrum__peak {
  position: absolute;
  top: 0; bottom: 0;
  left: 44%;
  z-index: 3;
  display: flex;
  flex-direction: column;
  align-items: center;
  pointer-events: none;
  transition: left 0.15s var(--ease-out);
}
.spectrum__peakline {
  width: 1px;
  flex: 1;
  background: linear-gradient(180deg, var(--frost), transparent);
  box-shadow: 0 0 8px var(--frost);
}
.spectrum__peakdot {
  width: 10px; height: 10px;
  border-radius: 50%;
  background: var(--frost);
  box-shadow: 0 0 12px var(--frost), 0 0 24px var(--glow);
  margin-top: -5px;
}
.spectrum__peaklabel {
  position: absolute;
  top: -1.8rem;
  font-family: var(--mono);
  font-size: 0.65rem;
  letter-spacing: 0.1em;
  color: var(--frost);
  white-space: nowrap;
  background: rgba(3,6,13,0.8);
  padding: 0.2rem 0.5rem;
  border: 1px solid var(--line-strong);
}
.spectrum__specimens {
  position: relative;
  height: 2rem;
  margin-top: 1rem;
}
.sp-tag {
  position: absolute;
  top: 0;
  transform: translateX(-50%);
  font-family: var(--mono);
  font-size: 0.6rem;
  letter-spacing: 0.1em;
  color: var(--glow);
  white-space: nowrap;
}
.sp-tag::after {
  content: '';
  position: absolute;
  top: 1rem; left: 50%;
  width: 1px; height: 8px;
  background: var(--glow);
  transform: translateX(-50%);
}

/* ============================================================
   CLOSING
   ============================================================ */
.closing {
  padding: clamp(8rem, 20vh, 16rem) var(--gut);
  text-align: center;
  position: relative;
}
.closing__inner {
  max-width: 800px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2rem;
}
.closing .section-num {
  color: var(--muted);
  letter-spacing: 0.6em;
}
.closing__quote {
  font-family: var(--serif);
  font-weight: 200;
  font-style: italic;
  font-size: clamp(2rem, 5vw, 4rem);
  line-height: 1.2;
  letter-spacing: -0.015em;
  color: var(--frost);
  max-width: 18ch;
}
.closing__quote em {
  font-style: normal;
  color: var(--glow);
  text-shadow: 0 0 30px rgba(109,242,255,0.5);
}
.closing__note {
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.2em;
  color: var(--muted);
  text-transform: uppercase;
}
.closing__seal {
  width: 120px; height: 120px;
  color: var(--glow);
  margin-top: 2rem;
  opacity: 0.7;
}
.closing__seal svg { width: 100%; height: 100%; }
#seal-rotate {
  transform-origin: 60px 60px;
  animation: spin 40s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ============================================================
   FOOTER
   ============================================================ */
.footer {
  border-top: 1px solid var(--line);
  padding: 4rem var(--gut) 2rem;
  background: rgba(3,6,13,0.6);
  backdrop-filter: blur(6px);
}
.footer__inner {
  max-width: var(--maxw);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 2.5rem;
  margin-bottom: 3rem;
}
.footer__col {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  font-family: var(--mono);
  font-size: 0.72rem;
  color: var(--muted);
}
.footer__col .brand__name {
  font-size: 0.85rem;
  color: var(--frost);
  margin-bottom: 0.5rem;
}
.footer__col p {
  font-family: var(--serif);
  font-size: 0.85rem;
  line-height: 1.5;
  color: var(--muted);
}
.footer__col a {
  color: var(--muted);
  text-decoration: none;
  transition: color 0.3s var(--ease);
}
.footer__col a:hover { color: var(--glow); }
.footer__h {
  color: var(--frost);
  letter-spacing: 0.2em;
  text-transform: uppercase;
  font-size: 0.65rem;
  margin-bottom: 0.5rem;
}
.footer__bottom {
  max-width: var(--maxw);
  margin: 0 auto;
  padding-top: 2rem;
  border-top: 1px solid var(--line);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-family: var(--mono);
  font-size: 0.62rem;
  letter-spacing: 0.15em;
  color: var(--muted);
  text-transform: uppercase;
}
.footer__pulse { display: flex; align-items: center; gap: 0.5rem; }

/* ============================================================
   REVEAL ANIMATION STATES (GSAP sets these)
   Initial hidden states live in CSS to prevent FOUC before JS runs.
   ============================================================ */
.reveal { opacity: 0; transform: translateY(30px); }
.reveal-media { opacity: 0; transform: translateY(40px) scale(0.98); }
.reveal-words { opacity: 0; }            /* hidden until JS wraps words */
.rw { display: inline-block; }

/* Fallback: if JS/GSAP never loads, reveal everything after 2.5s */
.js-fallback .reveal,
.js-fallback .reveal-media,
.js-fallback .reveal-words { opacity: 1 !important; transform: none !important; }
.js-fallback .rw { opacity: 1 !important; transform: none !important; }
.js-fallback .zone { opacity: 1 !important; transform: none !important; }

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  .reveal, .reveal-media { opacity: 1; transform: none; }
  .reveal-words > * { opacity: 1; }
}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 960px) {
  .chrome__nav { display: none; }
  .chrome__status .status-text { display: none; }
  .manifesto { grid-template-columns: 1fr; gap: 2rem; }
  .manifesto__index { flex-direction: row; align-items: center; }
  .manifesto__cols { grid-template-columns: 1fr; }
  .zones { grid-template-columns: 1fr 1fr; }
  .specimen { grid-template-columns: 1fr; gap: 2rem; }
  .specimen--right .specimen__media,
  .specimen--left .specimen__media { order: 1; }
  .specimen--right .specimen__text,
  .specimen--left .specimen__text { order: 2; }
  .descent__title, .specimens__title { text-align: left; margin-left: 0; }
  .footer__inner { grid-template-columns: 1fr 1fr; }
  .gauge { display: none; }
}

@media (max-width: 600px) {
  .hero { padding: 7rem var(--gut) 3rem; }
  .hero__corner { display: none; }
  .hero__scale { display: none; }
  .hero__meta { gap: 1.5rem; }
  .meta-block { padding-left: 0.8rem; }
  .zones { grid-template-columns: 1fr; }
  .specimen__stat { grid-template-columns: 1fr; gap: 0.8rem; }
  .footer__inner { grid-template-columns: 1fr; }
  .footer__bottom { flex-direction: column; gap: 0.8rem; text-align: center; }
  .spectrum__band { height: 140px; }
  .sp-tag { font-size: 0.52rem; }
  .scrollcue { display: none; }
}