@font-face {
  font-family: "Space Grotesk";
  src: url("./assets/fonts/space-grotesk-300.ttf") format("truetype");
  font-style: normal;
  font-weight: 300;
  font-display: swap;
}

@font-face {
  font-family: "Space Grotesk";
  src: url("./assets/fonts/space-grotesk-400.ttf") format("truetype");
  font-style: normal;
  font-weight: 400;
  font-display: swap;
}

@font-face {
  font-family: "Space Grotesk";
  src: url("./assets/fonts/space-grotesk-500.ttf") format("truetype");
  font-style: normal;
  font-weight: 500;
  font-display: swap;
}

:root {
  color-scheme: dark;
  --black: #0e0e0e;
  --black-deep: #080908;
  --surface: #121312;
  --surface-raised: #181918;
  --ink: #f1f0eb;
  --soft: #c0bbb1;
  --muted: #85817a;
  --faint: rgba(241, 240, 235, 0.14);
  --line: rgba(241, 240, 235, 0.11);
  --acid: #b6ff3c;
  --acid-soft: rgba(182, 255, 60, 0.13);
  --blue: #88b9d7;
  --coral: #e2777a;
  --font: "Space Grotesk", "Helvetica Neue", Arial, sans-serif;
  --mono: "Space Grotesk", ui-monospace, SFMono-Regular, Menlo, monospace;
  --gutter: clamp(1.1rem, 3.2vw, 3.5rem);
  --ease: cubic-bezier(0.16, 1, 0.3, 1);
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

* {
  margin: 0;
}

::selection {
  background: var(--acid);
  color: var(--black);
}

html {
  min-width: 320px;
  background: var(--black);
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  text-rendering: geometricPrecision;
}

body {
  min-width: 320px;
  min-height: 100dvh;
  overflow-x: clip;
  background: var(--black);
  color: var(--ink);
  font-family: var(--font);
  transition: opacity 360ms ease, filter 360ms ease;
}

body.is-leaving {
  opacity: 0;
  filter: blur(6px);
  pointer-events: none;
}

a,
button {
  color: inherit;
  font: inherit;
  -webkit-tap-highlight-color: transparent;
}

button {
  border: 0;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  clip-path: inset(50%);
  white-space: nowrap;
  border: 0;
}

.skip-link {
  position: fixed;
  top: 0.75rem;
  left: 0.75rem;
  z-index: 1000;
  padding: 0.75rem 0.9rem;
  background: var(--ink);
  color: var(--black);
  font-size: 0.75rem;
  text-decoration: none;
  transform: translateY(-180%);
}

.skip-link:focus {
  transform: translateY(0);
}

.grain {
  position: fixed;
  inset: 0;
  z-index: 150;
  opacity: 0.021;
  pointer-events: none;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 180 180' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.86' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.72'/%3E%3C/svg%3E");
  background-size: 180px;
}

.spike-nav {
  position: fixed;
  top: 0;
  right: 0;
  left: 0;
  z-index: 100;
  display: grid;
  grid-template-columns: minmax(8rem, 1fr) auto minmax(8rem, 1fr);
  align-items: center;
  min-height: calc(4.75rem + env(safe-area-inset-top));
  padding: env(safe-area-inset-top) var(--gutter) 0;
  border-bottom: 1px solid transparent;
  color: var(--soft);
  font-size: 0.68rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  transition: background-color 250ms ease, border-color 250ms ease;
}

.spike-nav::before {
  position: absolute;
  inset: 0;
  z-index: -1;
  background: linear-gradient(180deg, rgba(14, 14, 14, 0.9), rgba(14, 14, 14, 0));
  content: "";
  pointer-events: none;
}

.spike-nav[data-compact] {
  border-color: var(--line);
  background: rgba(14, 14, 14, 0.9);
  backdrop-filter: blur(16px);
}

.spike-brand {
  display: inline-flex;
  align-items: center;
  gap: 0.16em;
  width: max-content;
  min-width: 3.75rem;
  min-height: 2.75rem;
  color: var(--ink);
  text-decoration: none;
}

.spike-brand span {
  text-shadow: -0.5px 0 var(--blue), 0.5px 0 var(--coral);
  transition: transform 400ms var(--ease);
}

.spike-brand:hover span:nth-child(odd),
.spike-brand:focus-visible span:nth-child(odd) {
  transform: translateY(-0.18rem);
}

.spike-brand:hover span:nth-child(even),
.spike-brand:focus-visible span:nth-child(even) {
  transform: translateY(0.18rem);
}

.scene-count {
  display: flex;
  gap: 0.8rem;
  align-items: center;
  justify-self: center;
  color: var(--muted);
  font-variant-numeric: tabular-nums;
}

.scene-title {
  min-width: 4.8rem;
  color: var(--soft);
}

.spike-nav nav {
  display: flex;
  justify-self: end;
  align-items: center;
  gap: 0.1rem;
}

.spike-nav nav a,
.spike-nav nav button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 2.75rem;
  padding: 0 0.65rem;
  background: transparent;
  color: inherit;
  text-decoration: none;
  cursor: pointer;
  transition: color 180ms ease, background-color 180ms ease;
}

.spike-nav nav a:hover,
.spike-nav nav a:focus-visible,
.spike-nav nav button:hover,
.spike-nav nav button:focus-visible {
  color: var(--ink);
}

.spike-nav nav button {
  min-width: 5.5rem;
  gap: 0.45rem;
}

.motion-icon {
  color: var(--acid);
  font-size: 0.82rem;
  letter-spacing: -0.16em;
}

.spike-nav a:focus-visible,
.spike-nav button:focus-visible,
.chapter-link:focus-visible,
.field-index a:focus-visible,
.notes a:focus-visible,
.spike-footer a:focus-visible {
  outline: 1px solid var(--acid);
  outline-offset: 3px;
}

.experience {
  position: relative;
  min-height: 400svh;
  background: var(--black);
}

.stage {
  --progress: 0;
  --chapter-progress: 0;
  --spike: 0;
  --pointer-x: 0;
  --pointer-y: 0;
  position: sticky;
  top: 0;
  z-index: 0;
  height: 100svh;
  overflow: hidden;
  background:
    radial-gradient(circle at 67% 47%, rgba(69, 91, 104, 0.13), transparent 29%),
    linear-gradient(180deg, #111211 0%, var(--black-deep) 100%);
}

.has-js .stage {
  opacity: 0;
}

.has-js.is-ready .stage {
  opacity: 1;
  transition: opacity 900ms ease;
}

.stage::before,
.stage::after {
  position: absolute;
  content: "";
  pointer-events: none;
}

.stage::before {
  inset: 0;
  z-index: 9;
  background:
    linear-gradient(90deg, rgba(0, 0, 0, 0.54), transparent 23%, transparent 77%, rgba(0, 0, 0, 0.5)),
    linear-gradient(180deg, rgba(0, 0, 0, 0.45), transparent 17%, transparent 75%, rgba(0, 0, 0, 0.74));
}

.stage::after {
  top: 50%;
  left: 67%;
  z-index: 3;
  width: min(71vw, 68rem);
  aspect-ratio: 1;
  border: 1px solid rgba(192, 187, 177, calc(0.1 + var(--spike) * 0.15));
  border-radius: 50%;
  box-shadow: 0 0 calc(var(--spike) * 5rem) rgba(182, 255, 60, 0.08);
  opacity: calc(0.68 - var(--progress) * 0.25);
  transform: translate(-50%, -50%) scale(calc(0.7 + var(--progress) * 0.52 + var(--spike) * 0.08));
}

.star-field {
  position: absolute;
  inset: 0;
  z-index: 1;
  display: block;
  width: 100%;
  height: 100%;
}

.geometry {
  position: absolute;
  top: -12%;
  bottom: -12%;
  left: 27%;
  z-index: 2;
  width: 82%;
  height: 124%;
  overflow: visible;
  fill: none;
  stroke: rgba(192, 187, 177, 0.13);
  stroke-width: 0.75;
  vector-effect: non-scaling-stroke;
  transform: rotate(calc(-8deg + var(--progress) * 17deg)) scale(calc(0.88 + var(--progress) * 0.2));
  transform-origin: center;
}

.geometry-rings {
  stroke-dasharray: 2 11;
}

.geometry-lines {
  opacity: calc(0.4 - var(--progress) * 0.14);
  stroke-dasharray: 1 8;
}

.stage-coordinate {
  position: absolute;
  z-index: 5;
  color: rgba(192, 187, 177, 0.42);
  font-size: 0.55rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.stage-coordinate--x {
  right: var(--gutter);
  bottom: 6.1rem;
}

.stage-coordinate--y {
  top: 50%;
  right: 1.1rem;
  writing-mode: vertical-rl;
  transform: translateY(-50%);
}

.orb-world {
  position: absolute;
  top: 50%;
  left: 67%;
  z-index: 4;
  width: min(52vw, 47rem);
  aspect-ratio: 975 / 1024;
  transform:
    translate(-50%, -50%)
    translate(calc(var(--pointer-x) * 1rem), calc(var(--pointer-y) * 0.7rem))
    scale(calc(0.72 + var(--progress) * 0.46 + var(--spike) * 0.025))
    rotate(calc(-2deg + var(--progress) * 4deg));
  transform-origin: center;
  will-change: transform;
  -webkit-mask-image: radial-gradient(ellipse 48% 47% at 50% 49%, #000 0 89%, rgba(0, 0, 0, 0.82) 94%, transparent 100%);
  mask-image: radial-gradient(ellipse 48% 47% at 50% 49%, #000 0 89%, rgba(0, 0, 0, 0.82) 94%, transparent 100%);
}

.orb-world::before {
  position: absolute;
  inset: -9%;
  z-index: -2;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(136, 185, 215, 0.14), rgba(92, 113, 124, 0.03) 46%, transparent 68%);
  filter: blur(2rem);
  content: "";
  opacity: calc(0.58 + var(--chapter-progress) * 0.18 + var(--spike) * 0.22);
}

.orb-halo {
  position: absolute;
  inset: 7%;
  z-index: 0;
  border: 1px solid rgba(192, 187, 177, calc(0.25 + var(--spike) * 0.25));
  border-radius: 50%;
  box-shadow:
    0 0 3rem rgba(136, 185, 215, 0.1),
    inset 0 0 3rem rgba(136, 185, 215, 0.06);
  transform: scale(calc(1.02 + var(--chapter-progress) * 0.06 + var(--spike) * 0.05));
}

.orb {
  position: absolute;
  inset: 0;
  z-index: 1;
  width: 100%;
  height: 100%;
  object-fit: contain;
  filter: contrast(1.14) brightness(calc(0.72 + var(--chapter-progress) * 0.25 + var(--spike) * 0.12)) saturate(0.62);
  opacity: calc(0.75 + var(--progress) * 0.24);
  mix-blend-mode: screen;
  user-select: none;
  -webkit-user-drag: none;
}

.orb-scan {
  position: absolute;
  top: 8%;
  bottom: 8%;
  left: 50%;
  z-index: 3;
  width: 6rem;
  background: linear-gradient(90deg, transparent, rgba(182, 255, 60, 0.08), transparent);
  filter: blur(0.8rem);
  opacity: calc(0.08 + var(--chapter-progress) * 0.18 + var(--spike) * 0.25);
  transform: translateX(calc(-50% + (var(--progress) - 0.5) * 23rem));
}

.threshold {
  position: absolute;
  top: 50%;
  right: calc(33% + min(29vw, 26rem));
  z-index: 7;
  display: flex;
  align-items: center;
  gap: 0.65rem;
  color: rgba(182, 255, 60, calc(0.42 + var(--spike) * 0.38));
  font-size: 0.54rem;
  font-weight: 500;
  letter-spacing: 0.11em;
  text-transform: uppercase;
  transform: translateY(-50%);
}

.threshold i {
  display: block;
  width: calc(2rem + var(--spike) * 5rem);
  height: 1px;
  background: currentColor;
  transform-origin: left;
}

.stage-hint {
  position: absolute;
  right: var(--gutter);
  bottom: calc(1.5rem + env(safe-area-inset-bottom));
  z-index: 12;
  display: flex;
  align-items: center;
  gap: 0.65rem;
  color: var(--soft);
  font-size: 0.63rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  transition: opacity 300ms ease;
}

.stage-hint i {
  position: relative;
  display: block;
  width: 2.5rem;
  height: 1px;
  overflow: hidden;
  background: rgba(241, 240, 235, 0.22);
}

.stage-hint i::after {
  position: absolute;
  inset: 0;
  background: var(--acid);
  content: "";
  transform: translateX(-100%);
  animation: hint 1.8s ease-in-out infinite;
}

.stage[data-scrolled] .stage-hint {
  opacity: 0;
}

.chapters {
  position: relative;
  z-index: 10;
  margin-top: -100svh;
  pointer-events: none;
}

.chapter {
  position: relative;
  display: flex;
  align-items: center;
  min-height: 100svh;
  padding: clamp(6rem, 11vh, 9rem) var(--gutter);
}

.chapter-copy {
  width: min(42vw, 37rem);
  opacity: 1;
  transform: translateY(calc((1 - var(--chapter-visible, 0)) * 2rem));
  transition: opacity 260ms ease, transform 390ms var(--ease);
}

.has-js .chapter-copy {
  opacity: calc(0.18 + var(--chapter-visible, 0) * 0.82);
}

.chapter:nth-child(even) {
  justify-content: flex-end;
  text-align: right;
}

.chapter:nth-child(even) .chapter-copy {
  width: min(36vw, 32rem);
}

.chapter-index,
.chapter-lead,
.chapter-link {
  display: block;
  font-size: 0.65rem;
  font-weight: 500;
  letter-spacing: 0.11em;
  text-transform: uppercase;
}

.chapter-index {
  margin-bottom: 1.1rem;
  color: var(--acid);
}

.chapter h1,
.chapter h2 {
  font-size: clamp(4.7rem, 9vw, 9.3rem);
  font-weight: 300;
  letter-spacing: -0.078em;
  line-height: 0.82;
  text-wrap: balance;
  text-shadow: 0 0 4rem rgba(0, 0, 0, 0.72);
}

.chapter p {
  max-width: 29rem;
  margin-top: 1.5rem;
  color: var(--soft);
  font-size: clamp(0.98rem, 1.25vw, 1.2rem);
  font-weight: 300;
  line-height: 1.42;
}

.chapter .chapter-lead {
  margin: 0 0 1.1rem;
  color: var(--muted);
  font-size: 0.65rem;
  font-weight: 500;
  line-height: 1;
}

.chapter-link {
  display: inline-flex;
  align-items: center;
  gap: 0.8rem;
  min-height: 2.75rem;
  margin-top: 2.2rem;
  border-bottom: 1px solid rgba(241, 240, 235, 0.34);
  color: var(--ink);
  pointer-events: auto;
  text-decoration: none;
}

.chapter-link span {
  color: var(--acid);
  transition: transform 220ms var(--ease);
}

.chapter-link:hover span,
.chapter-link:focus-visible span {
  transform: translateY(0.2rem);
}

.chapter--intro {
  align-items: center;
}

.chapter--intro .chapter-copy {
  width: min(42vw, 38rem);
}

.chapter--intro h1 {
  font-size: clamp(3.7rem, 6vw, 6.8rem);
  line-height: 0.88;
}

.chapter--ai h2 {
  color: var(--ink);
}

.chapter--markets h2 {
  color: var(--soft);
}

.chapter--systems h2 {
  color: var(--coral);
}

.field-index {
  position: relative;
  z-index: 12;
  display: grid;
  grid-template-columns: minmax(18rem, 0.68fr) minmax(28rem, 1.32fr);
  gap: clamp(3rem, 7vw, 9rem);
  padding: clamp(7rem, 12vw, 12rem) var(--gutter);
  border-top: 1px solid var(--line);
  background: var(--black);
}

.field-intro {
  position: sticky;
  top: 8rem;
  align-self: start;
}

.field-kicker,
.field-number,
.field-state,
.notes-index,
.notes-domain,
.spike-footer {
  font-family: var(--mono);
  font-size: 0.63rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.field-kicker,
.notes-index {
  color: var(--acid);
}

.field-intro h2 {
  max-width: 8ch;
  margin-top: 1.5rem;
  font-size: clamp(3.5rem, 6.2vw, 7rem);
  font-weight: 300;
  letter-spacing: -0.07em;
  line-height: 0.86;
}

.field-intro > p:last-child {
  max-width: 28rem;
  margin-top: 2rem;
  color: var(--muted);
  font-size: 1rem;
  line-height: 1.5;
}

.field-list {
  border-top: 1px solid var(--line);
}

.field-row {
  display: grid;
  grid-template-columns: 2.2rem minmax(8rem, 0.75fr) minmax(12rem, 1fr) auto;
  gap: clamp(1rem, 2.5vw, 2.5rem);
  align-items: baseline;
  min-height: 10rem;
  padding: 2.25rem 0;
  border-bottom: 1px solid var(--line);
  transition: background-color 220ms ease;
}

.field-row:hover {
  background: linear-gradient(90deg, transparent, var(--acid-soft), transparent);
}

.field-number {
  color: var(--acid);
}

.field-row h3 {
  font-size: clamp(2.2rem, 4vw, 4.2rem);
  font-weight: 300;
  letter-spacing: -0.055em;
  line-height: 0.95;
}

.field-row p {
  max-width: 23rem;
  color: var(--muted);
  font-size: 0.92rem;
  line-height: 1.45;
}

.field-state {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  color: var(--soft);
}

.field-state i {
  width: 0.42rem;
  height: 0.42rem;
  border-radius: 50%;
  background: var(--acid);
  box-shadow: 0 0 0.8rem rgba(182, 255, 60, 0.6);
}

.notes {
  position: relative;
  z-index: 12;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  min-height: 86svh;
  overflow: hidden;
  padding: clamp(2rem, 4vw, 4rem) var(--gutter);
  border-top: 1px solid rgba(14, 14, 14, 0.16);
  background: var(--ink);
  color: var(--black);
}

.notes::before {
  position: absolute;
  top: 50%;
  left: 50%;
  width: min(68vw, 55rem);
  aspect-ratio: 1;
  border: 1px solid rgba(14, 14, 14, 0.2);
  border-radius: 50%;
  content: "";
  transform: translate(-50%, -50%);
  pointer-events: none;
}

.notes::after {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 100vw;
  height: 1px;
  background: rgba(14, 14, 14, 0.18);
  content: "";
  transform: translate(-50%, -50%) rotate(-8deg);
  pointer-events: none;
}

.notes-index,
.notes-domain,
.notes h2 {
  position: relative;
  z-index: 2;
}

.notes h2 {
  align-self: center;
  margin: auto 0;
  font-size: clamp(4.4rem, 13vw, 12rem);
  font-weight: 300;
  letter-spacing: -0.085em;
  line-height: 0.82;
  text-align: center;
}

.notes h2 a {
  text-decoration: none;
}

.notes h2 span {
  display: inline-block;
  color: #49722a;
  font-size: 0.32em;
  transition: transform 260ms var(--ease);
}

.notes h2 a:hover span,
.notes h2 a:focus-visible span {
  transform: translate(0.3rem, -0.3rem);
}

.notes-domain {
  align-self: flex-end;
  color: rgba(14, 14, 14, 0.57);
}

.spike-footer {
  position: relative;
  z-index: 12;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  min-height: calc(5rem + env(safe-area-inset-bottom));
  padding: 0 var(--gutter) env(safe-area-inset-bottom);
  border-top: 1px solid var(--line);
  background: var(--black);
  color: var(--muted);
}

.spike-footer > span:nth-child(2) {
  color: var(--soft);
}

.spike-footer nav {
  display: flex;
  justify-self: end;
}

.spike-footer a {
  display: inline-flex;
  align-items: center;
  min-height: 2.75rem;
  padding: 0 0.65rem;
  text-decoration: none;
}

.spike-footer a:hover,
.spike-footer a:focus-visible {
  color: var(--ink);
}

.motion-paused .stage * {
  animation-play-state: paused !important;
}

@keyframes hint {
  0% { transform: translateX(-100%); }
  50%, 100% { transform: translateX(100%); }
}

@media (max-width: 900px) {
  .spike-nav {
    grid-template-columns: 1fr auto;
  }

  .scene-count {
    display: none;
  }

  .spike-nav nav a[href="#field-index"] {
    display: none;
  }

  .chapter-copy,
  .chapter:nth-child(even) .chapter-copy,
  .chapter--intro .chapter-copy {
    width: min(48vw, 28rem);
  }

  .field-index {
    grid-template-columns: 1fr;
  }

  .field-intro {
    position: static;
  }

  .field-intro h2 {
    max-width: 10ch;
  }
}

@media (max-width: 700px) {
  :root {
    --gutter: 1rem;
  }

  .spike-nav {
    min-height: calc(4.25rem + env(safe-area-inset-top));
  }

  .spike-brand {
    font-size: 0.66rem;
  }

  .spike-nav nav a,
  .spike-nav nav button {
    min-width: 2.75rem;
    padding: 0 0.48rem;
    font-size: 0.62rem;
  }

  .spike-nav nav a[href*="substack"] {
    display: none;
  }

  .spike-nav nav button {
    min-width: 4.8rem;
  }

  .stage {
    background:
      radial-gradient(circle at 50% 45%, rgba(69, 91, 104, 0.13), transparent 28%),
      linear-gradient(180deg, #111211 0%, var(--black-deep) 100%);
  }

  .stage::after {
    top: 46%;
    left: 50%;
    width: min(128vw, 35rem);
  }

  .geometry {
    top: -18%;
    bottom: -18%;
    left: -18%;
    width: 136%;
    height: 136%;
  }

  .orb-world {
    top: 46%;
    left: 50%;
    width: min(94vw, 30rem);
  }

  .threshold {
    top: 46%;
    left: 1rem;
    right: auto;
    color: rgba(182, 255, 60, calc(0.56 + var(--spike) * 0.3));
  }

  .stage-coordinate {
    display: none;
  }

  .stage-hint {
    right: 1rem;
    bottom: calc(1.25rem + env(safe-area-inset-bottom));
    font-size: 0.61rem;
  }

  .chapter,
  .chapter:nth-child(even) {
    align-items: flex-end;
    justify-content: flex-start;
    padding-top: 5.5rem;
    padding-bottom: calc(6.2rem + env(safe-area-inset-bottom));
    text-align: left;
  }

  .chapter-copy,
  .chapter:nth-child(even) .chapter-copy,
  .chapter--intro .chapter-copy {
    width: min(100%, 31rem);
  }

  .chapter--intro {
    align-items: flex-end;
  }

  .chapter h1,
  .chapter h2,
  .chapter--intro h1 {
    font-size: clamp(3.35rem, 17.5vw, 5.1rem);
    line-height: 0.84;
  }

  .chapter p {
    max-width: 21rem;
    margin-top: 1rem;
    font-size: 0.9rem;
  }

  .chapter .chapter-lead {
    margin-bottom: 0.75rem;
    font-size: 0.61rem;
  }

  .chapter-link {
    margin-top: 1.25rem;
  }

  .field-index {
    display: block;
    padding-top: 6rem;
    padding-bottom: 6rem;
  }

  .field-intro h2 {
    font-size: clamp(3.4rem, 16vw, 5.2rem);
  }

  .field-list {
    margin-top: 4rem;
  }

  .field-row {
    grid-template-columns: 2rem minmax(0, 1fr) auto;
    grid-template-areas:
      "number title state"
      ". copy copy";
    gap: 0.7rem;
    min-height: 9rem;
    padding: 1.7rem 0;
  }

  .field-number { grid-area: number; }
  .field-row h3 { grid-area: title; font-size: clamp(2.7rem, 13vw, 4rem); }
  .field-row p { grid-area: copy; }
  .field-state { grid-area: state; }

  .notes {
    min-height: 76svh;
  }

  .notes::before {
    width: 125vw;
  }

  .notes h2 {
    font-size: clamp(3.8rem, 20vw, 6.5rem);
  }

  .spike-footer {
    grid-template-columns: 1fr auto;
  }

  .spike-footer > span:nth-child(2) {
    display: none;
  }
}

@media (max-width: 390px) {
  .spike-nav {
    padding-right: 0.7rem;
    padding-left: 0.7rem;
  }

  .spike-nav nav a,
  .spike-nav nav button {
    padding: 0 0.35rem;
    font-size: 0.58rem;
  }

  .spike-brand {
    min-width: 3.2rem;
  }

  .spike-nav nav button {
    min-width: 4.3rem;
  }

  .motion-icon {
    display: none;
  }

  .chapter h1,
  .chapter h2,
  .chapter--intro h1 {
    font-size: clamp(3.15rem, 16.5vw, 4.5rem);
  }

  .field-state {
    font-size: 0.55rem;
  }
}

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

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  .experience {
    min-height: auto;
  }

  .stage {
    position: absolute;
    inset: 0 0 auto;
  }

  .has-js .stage,
  .has-js.is-ready .stage {
    opacity: 0.62;
  }

  .chapters {
    margin-top: 0;
  }

  .has-js .chapter-copy {
    opacity: 1;
    transform: none;
  }

  .chapter {
    min-height: 76svh;
  }

  .stage-hint,
  [data-motion-toggle],
  .threshold {
    display: none;
  }
}