:root {
  --black: #020304;
  --matte: #07090c;
  --charcoal: #0d1015;
  --white: #f4f1ea;
  --white-soft: rgba(244, 241, 234, 0.76);
  --white-muted: rgba(244, 241, 234, 0.52);
  --line: rgba(244, 241, 234, 0.16);
  --line-strong: rgba(244, 241, 234, 0.34);
  --navy: #071426;
  --navy-2: #0d2037;
  --type: "Avenir Next", "Helvetica Neue", Arial, sans-serif;
}

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

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

body {
  margin: 0;
  min-width: 320px;
  --cursor-x: 50vw;
  --cursor-y: 50vh;
  background:
    linear-gradient(90deg, rgba(244, 241, 234, 0.03) 1px, transparent 1px),
    var(--black);
  background-size: 18vw 100%;
  color: var(--white);
  font-family: var(--type);
  line-height: 1.45;
  overflow-x: hidden;
  text-rendering: optimizeLegibility;
}

body::before {
  position: fixed;
  inset: 0;
  z-index: 20;
  pointer-events: none;
  content: "";
  background:
    repeating-linear-gradient(0deg, rgba(244, 241, 234, 0.026) 0 1px, transparent 1px 12px),
    radial-gradient(circle at 50% 10%, rgba(244, 241, 234, 0.04), transparent 32%);
  opacity: 0.5;
  mix-blend-mode: overlay;
}

body::after {
  position: fixed;
  inset: 0;
  z-index: 19;
  pointer-events: none;
  content: "";
  background:
    radial-gradient(circle at var(--cursor-x) var(--cursor-y), rgba(244, 241, 234, 0.065), transparent 17rem),
    radial-gradient(circle at calc(100% - var(--cursor-x)) calc(100% - var(--cursor-y)), rgba(7, 20, 38, 0.24), transparent 22rem);
  opacity: 0.72;
}

body.nav-open {
  overflow: hidden;
}

img {
  display: block;
  max-width: 100%;
}

a {
  color: inherit;
  text-decoration: none;
}

p,
h1,
h2,
h3,
figure,
dl,
dd {
  margin: 0;
}

button {
  font: inherit;
}

::selection {
  background: var(--navy-2);
  color: var(--white);
}

.sr-only,
.skip-link:not(:focus) {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.skip-link:focus {
  position: fixed;
  top: 14px;
  left: 14px;
  z-index: 300;
  padding: 10px 14px;
  background: var(--white);
  color: var(--black);
}

.scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  z-index: 260;
  width: 0;
  height: 2px;
  background: var(--white);
}

.scene3d {
  position: fixed;
  inset: 0;
  z-index: 18;
  display: none;
  overflow: hidden;
  pointer-events: none;
  opacity: 0;
  mix-blend-mode: screen;
  -webkit-mask-image: linear-gradient(90deg, transparent 0%, rgba(0, 0, 0, 0.12) 30%, rgba(0, 0, 0, 0.84) 54%, #000 100%);
  mask-image: linear-gradient(90deg, transparent 0%, rgba(0, 0, 0, 0.12) 30%, rgba(0, 0, 0, 0.84) 54%, #000 100%);
  transition: opacity 800ms ease;
}

.webgl-ready .scene3d {
  display: block;
  opacity: 0.9;
}

.scene3d-canvas {
  width: 100%;
  height: 100%;
}

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

.cursor-dot,
.cursor-ring {
  position: fixed;
  top: 0;
  left: 0;
  z-index: 500;
  pointer-events: none;
  opacity: 0;
  transform: translate3d(-50%, -50%, 0);
}

.cursor-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--white);
}

.cursor-ring {
  width: 36px;
  height: 36px;
  border: 1px solid rgba(244, 241, 234, 0.42);
  border-radius: 50%;
  background: rgba(244, 241, 234, 0.02);
  transition: width 180ms ease, height 180ms ease, border-color 180ms ease, background 180ms ease;
}

body.has-cursor .cursor-dot,
body.has-cursor .cursor-ring {
  opacity: 1;
}

body.cursor-intent .cursor-ring {
  width: 58px;
  height: 58px;
  border-color: rgba(244, 241, 234, 0.72);
  background: rgba(7, 20, 38, 0.22);
}

@media (pointer: fine) {
  body.has-cursor,
  body.has-cursor a,
  body.has-cursor button {
    cursor: none;
  }
}

.page-shell {
  width: min(100% - 52px, 1280px);
  margin-inline: auto;
}

.site-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 250;
  display: flex;
  min-height: 74px;
  align-items: center;
  justify-content: space-between;
  padding: 16px 28px;
  border-bottom: 1px solid transparent;
  background: linear-gradient(180deg, rgba(2, 3, 4, 0.88), rgba(2, 3, 4, 0));
  transition: min-height 220ms ease, background 220ms ease, border-color 220ms ease;
}

.site-header.is-scrolled {
  min-height: 62px;
  border-bottom-color: var(--line);
  background: rgba(2, 3, 4, 0.95);
}

.brand-mark {
  display: grid;
  width: 42px;
  height: 42px;
  place-items: center;
  border: 1px solid var(--line-strong);
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.08em;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 30px;
  color: var(--white-muted);
  font-size: 0.68rem;
  font-weight: 800;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.site-nav a {
  position: relative;
  transition: color 180ms ease;
}

.site-nav a::after {
  position: absolute;
  left: 0;
  bottom: -9px;
  width: 100%;
  height: 1px;
  content: "";
  background: var(--white);
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 180ms ease;
}

.site-nav a:hover,
.site-nav a:focus-visible,
.site-nav a[aria-current="true"] {
  color: var(--white);
}

.site-nav a:hover::after,
.site-nav a:focus-visible::after,
.site-nav a[aria-current="true"]::after {
  transform: scaleX(1);
  transform-origin: left;
}

.brand-mark,
.site-nav a,
.button {
  will-change: transform;
}

.nav-toggle {
  display: none;
  width: 42px;
  height: 42px;
  place-items: center;
  border: 1px solid var(--line-strong);
  background: var(--black);
  color: var(--white);
}

.nav-toggle-line,
.nav-toggle-line::before,
.nav-toggle-line::after {
  display: block;
  width: 18px;
  height: 1px;
  background: currentColor;
  transition: transform 180ms ease;
}

.nav-toggle-line {
  position: relative;
}

.nav-toggle-line::before,
.nav-toggle-line::after {
  position: absolute;
  left: 0;
  content: "";
}

.nav-toggle-line::before {
  transform: translateY(-6px);
}

.nav-toggle-line::after {
  transform: translateY(6px);
}

.nav-open .nav-toggle-line {
  background: transparent;
}

.nav-open .nav-toggle-line::before {
  background: var(--white);
  transform: rotate(45deg);
}

.nav-open .nav-toggle-line::after {
  background: var(--white);
  transform: rotate(-45deg);
}

.chapter-meter {
  position: fixed;
  left: 28px;
  top: 50%;
  z-index: 230;
  display: grid;
  gap: 12px;
  align-items: center;
  color: var(--white-muted);
  transform: translateY(-50%);
  pointer-events: none;
}

.meter-current {
  color: var(--white);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.14em;
}

.meter-line {
  width: 1px;
  height: 120px;
  background:
    linear-gradient(180deg, var(--white), var(--line), transparent),
    linear-gradient(180deg, var(--navy-2), transparent);
}

.meter-label {
  font-size: 0.58rem;
  font-weight: 800;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  writing-mode: vertical-rl;
}

.chapter {
  position: relative;
  --chapter-progress: 0;
  --chapter-focus: 0;
  min-height: 100svh;
  display: grid;
  align-items: center;
  overflow: clip;
  border-bottom: 1px solid rgba(244, 241, 234, 0.08);
  background: var(--black);
  isolation: isolate;
}

.webgl-ready .chapter {
  background: rgba(2, 3, 4, 0.64);
}

.chapter::before {
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  content: "";
  background:
    linear-gradient(90deg, transparent, rgba(244, 241, 234, 0.04), transparent),
    radial-gradient(circle at var(--chapter-sweep, 18%) 48%, rgba(244, 241, 234, 0.05), transparent 22rem);
  opacity: var(--chapter-aura-opacity, 0.2);
}

.chapter::after {
  position: absolute;
  left: 0;
  right: 0;
  bottom: -1px;
  z-index: 4;
  height: 18vh;
  content: "";
  pointer-events: none;
  background: linear-gradient(180deg, transparent, var(--black));
}

.chapter-media,
.chapter-overlay {
  position: absolute;
  inset: 0;
}

.chapter-media {
  z-index: -3;
  opacity: var(--chapter-media-opacity, 0.72);
  transform: scale(var(--chapter-media-scale, 1.035));
  transform-origin: center;
  transition: opacity 260ms ease;
}

.chapter-media img {
  position: absolute;
  top: -9%;
  left: 0;
  width: 100%;
  height: 128%;
  object-fit: cover;
  filter: grayscale(0.24) saturate(0.48) contrast(1.08);
}

.chapter-overlay {
  z-index: -1;
  background:
    linear-gradient(90deg, rgba(2, 3, 4, 0.94), rgba(2, 3, 4, 0.44) 52%, rgba(2, 3, 4, 0.92)),
    linear-gradient(0deg, rgba(2, 3, 4, 0.96), rgba(2, 3, 4, 0.28) 55%, rgba(2, 3, 4, 0.66));
  opacity: var(--chapter-overlay-opacity, 0.92);
}

.webgl-ready .chapter-overlay {
  background:
    linear-gradient(90deg, rgba(2, 3, 4, 0.96), rgba(2, 3, 4, 0.5) 54%, rgba(2, 3, 4, 0.95)),
    linear-gradient(0deg, rgba(2, 3, 4, 0.96), rgba(2, 3, 4, 0.38) 54%, rgba(2, 3, 4, 0.7));
}

.chapter-tag {
  display: inline-grid;
  width: fit-content;
  grid-template-columns: auto minmax(38px, 7vw);
  gap: 14px;
  align-items: center;
  color: var(--white-muted);
  font-size: 0.7rem;
  font-weight: 800;
  letter-spacing: 0.18em;
  line-height: 1.3;
  text-transform: uppercase;
  transition: color 300ms ease;
}

.chapter-tag::after {
  display: block;
  height: 1px;
  content: "";
  background: linear-gradient(90deg, var(--line-strong), transparent);
  transform: scaleX(var(--chapter-line-scale, 0.38));
  transform-origin: left;
}

.chapter.is-current .chapter-tag {
  color: var(--white);
}

.chapter .page-shell {
  position: relative;
  z-index: 2;
}

h1,
h2,
h3 {
  color: var(--white);
  font-family: var(--type);
  letter-spacing: 0;
}

h1 {
  max-width: 1040px;
  font-size: clamp(3rem, 7.4vw, 7.7rem);
  font-weight: 700;
  line-height: 0.9;
  text-transform: uppercase;
}

h2 {
  font-size: clamp(2.05rem, 4.6vw, 5.2rem);
  font-weight: 600;
  line-height: 1;
}

h3 {
  font-size: clamp(1.18rem, 2vw, 1.72rem);
  font-weight: 600;
  line-height: 1.06;
}

.button {
  display: inline-flex;
  min-height: 48px;
  align-items: center;
  justify-content: center;
  padding: 13px 18px;
  border: 1px solid var(--line-strong);
  color: var(--white);
  font-size: 0.68rem;
  font-weight: 800;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  transition: transform 200ms ease, border-color 200ms ease, background 200ms ease;
}

.button:hover,
.button:focus-visible {
  transform: translateY(-2px);
  border-color: rgba(244, 241, 234, 0.56);
}

.button-primary {
  background: var(--navy);
}

.button-primary:hover,
.button-primary:focus-visible {
  background: var(--navy-2);
}

.button-secondary {
  background: rgba(2, 3, 4, 0.58);
}

.hero {
  min-height: 100svh;
}

.hero .chapter-media img {
  object-position: 58% center;
}

.hero-grid {
  display: grid;
  min-height: 100svh;
  grid-template-columns: minmax(0, 1fr) 280px;
  grid-template-rows: 1fr auto auto;
  gap: 32px;
  align-items: end;
  padding-top: 118px;
  padding-bottom: 64px;
}

.hero-copy {
  display: grid;
  max-width: 1120px;
  gap: 22px;
}

.hero-line {
  max-width: 720px;
  color: var(--white-soft);
  font-size: clamp(1.1rem, 2vw, 1.45rem);
}

.hero-side {
  display: grid;
  gap: 14px;
  align-self: center;
  color: var(--white-muted);
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.16em;
  text-align: right;
  text-transform: uppercase;
}

.hero-side span {
  padding-bottom: 12px;
  border-bottom: 1px solid var(--line);
}

.hero-actions {
  grid-column: 1 / -1;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

@media (min-width: 1101px) {
  .hero-actions {
    position: absolute;
    left: 0;
    bottom: 44px;
  }
}

.signal {
  background: linear-gradient(180deg, var(--black), var(--matte));
}

.signal-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.94fr) minmax(320px, 0.76fr);
  gap: 72px;
  align-items: center;
  padding: 126px 0;
}

.signal-copy {
  display: grid;
  gap: 24px;
}

.signal-copy p:last-child,
.system-sticky p,
.bridge-copy p,
.contact-copy p {
  max-width: 680px;
  color: var(--white-soft);
  font-size: 1.05rem;
}

.signal-frame,
.proof-image,
.identity-image {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--line);
  background: var(--charcoal);
}

.signal-frame::after,
.proof-image::after,
.identity-image::after {
  position: absolute;
  inset: 0;
  pointer-events: none;
  content: "";
  background:
    linear-gradient(180deg, transparent, rgba(2, 3, 4, 0.48)),
    linear-gradient(90deg, rgba(2, 3, 4, 0.28), transparent 42%);
}

.signal-frame {
  height: 72svh;
  min-height: 560px;
}

.signal-frame img,
.proof-image img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 112%;
  object-fit: cover;
  object-position: 28% center;
  filter: grayscale(0.2) saturate(0.56) contrast(1.06);
}

.doctrine-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.88fr) minmax(320px, 0.72fr);
  gap: 72px;
  align-items: end;
  padding: 126px 0;
}

.doctrine-copy {
  display: grid;
  gap: 22px;
}

.doctrine-list {
  display: grid;
  border-top: 1px solid var(--line-strong);
}

.doctrine-item {
  display: grid;
  gap: 12px;
  padding: 28px 0;
  border-bottom: 1px solid var(--line);
}

.doctrine-item span,
.proof-lines span {
  color: var(--white);
  font-weight: 800;
}

.doctrine-item p {
  color: var(--white-soft);
}

.system {
  align-items: start;
  background: linear-gradient(180deg, var(--black), #05080d 48%, var(--black));
}

.system-grid {
  display: grid;
  grid-template-columns: minmax(280px, 0.72fr) minmax(0, 1fr);
  gap: 82px;
  padding: 138px 0;
}

.system-sticky {
  position: sticky;
  top: 108px;
  display: grid;
  gap: 22px;
}

.system-flow {
  display: grid;
  border-top: 1px solid var(--line-strong);
  background:
    linear-gradient(90deg, rgba(244, 241, 234, 0.055), transparent 1px) 30px 0 / 1px 100% no-repeat;
}

.flow-item {
  display: grid;
  position: relative;
  grid-template-columns: 60px minmax(180px, 0.46fr) minmax(0, 1fr);
  gap: 28px;
  align-items: baseline;
  padding: 34px 0;
  border-bottom: 1px solid var(--line);
  transition: background 260ms ease;
}

.flow-item::before {
  position: absolute;
  left: 0;
  right: 0;
  bottom: -1px;
  height: 1px;
  content: "";
  background: var(--white);
  transform: scaleX(var(--item-progress, 0));
  transform-origin: left;
  opacity: 0.42;
}

.flow-item::after {
  position: absolute;
  left: 26px;
  top: 40px;
  width: 9px;
  height: 9px;
  border: 1px solid var(--white);
  border-radius: 50%;
  content: "";
  background: var(--black);
  transform: scale(var(--item-scale, 0.7));
  opacity: var(--item-opacity, 0.25);
}

.flow-item.is-visible {
  background: linear-gradient(90deg, rgba(244, 241, 234, 0.035), transparent 42%);
}

.flow-item span {
  color: var(--white-muted);
  font-size: 0.74rem;
  font-weight: 800;
  letter-spacing: 0.14em;
}

.flow-item p {
  color: var(--white-soft);
}

.flow-item.is-visible h3,
.doctrine-item.is-visible span,
.proof-lines p.is-visible span {
  text-shadow: 0 0 28px rgba(244, 241, 234, 0.14);
}

.visual-bridge {
  min-height: 108svh;
}

.visual-bridge .chapter-media img {
  object-position: center;
}

.bridge-copy {
  display: grid;
  max-width: 980px;
  gap: 22px;
  padding: 126px 0;
}

.proof {
  background: linear-gradient(180deg, var(--black), var(--matte));
}

.proof-grid {
  display: grid;
  grid-template-columns: minmax(300px, 0.68fr) minmax(0, 1fr);
  gap: 78px;
  align-items: center;
  padding: 132px 0;
}

.proof-image {
  height: 80svh;
  min-height: 620px;
}

.proof-image img {
  object-position: center 30%;
}

.proof-copy {
  display: grid;
  gap: 28px;
  max-width: 780px;
}

.proof-lines {
  display: grid;
  border-top: 1px solid var(--line-strong);
}

.proof-lines p {
  position: relative;
  padding: 22px 0;
  border-bottom: 1px solid var(--line);
  color: var(--white-soft);
}

.proof-lines p::after {
  position: absolute;
  left: 0;
  bottom: -1px;
  width: 100%;
  height: 1px;
  content: "";
  background: var(--white);
  transform: scaleX(var(--item-progress, 0));
  transform-origin: left;
  opacity: 0.35;
}

.proof-lines p.is-visible {
  background: linear-gradient(90deg, rgba(244, 241, 234, 0.026), transparent 52%);
}

.identity {
  background: var(--black);
}

.identity-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(300px, 0.52fr);
  gap: 72px;
  align-items: center;
  padding: 132px 0;
}

.identity-copy {
  display: grid;
  gap: 26px;
}

.identity-copy dl {
  display: grid;
  border-top: 1px solid var(--line-strong);
}

.identity-copy div {
  display: grid;
  grid-template-columns: 160px minmax(0, 1fr);
  gap: 28px;
  padding: 23px 0;
  border-bottom: 1px solid var(--line);
}

.identity-copy dt {
  color: var(--white-muted);
  font-size: 0.7rem;
  font-weight: 800;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.identity-copy dd {
  color: var(--white-soft);
}

.identity-image img {
  width: 100%;
  aspect-ratio: 1 / 1.12;
  object-fit: cover;
  filter: grayscale(0.12) saturate(0.62) contrast(1.04);
}

.contact-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 420px;
  gap: 72px;
  align-items: center;
  padding: 132px 0;
}

.contact-copy {
  display: grid;
  gap: 22px;
}

.contact-card {
  display: grid;
  gap: 20px;
  padding: 26px;
  border: 1px solid var(--line-strong);
  background: rgba(2, 3, 4, 0.78);
  font-style: normal;
}

.contact-card img {
  width: 100px;
  height: 100px;
  object-fit: cover;
  border: 1px solid var(--line);
}

.contact-card a:not(.button) {
  width: fit-content;
  border-bottom: 1px solid var(--line-strong);
  color: var(--white);
  overflow-wrap: anywhere;
}

.contact-card p {
  color: var(--white-soft);
}

.contact-card .button {
  width: 100%;
}

.site-footer {
  border-top: 1px solid var(--line);
  background: var(--black);
}

.site-footer .page-shell {
  display: flex;
  min-height: 82px;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  color: var(--white-muted);
  font-size: 0.68rem;
  font-weight: 800;
  letter-spacing: 0.15em;
  text-transform: uppercase;
}

.reveal {
  opacity: 1;
  transform: none;
  filter: none;
}

.motion-ready .reveal {
  opacity: 1;
  transform: translateY(36px) scale(0.985);
  filter: blur(3px);
  transition:
    transform 760ms cubic-bezier(0.22, 1, 0.36, 1),
    filter 760ms ease;
}

.motion-ready .reveal.is-visible,
.reveal.is-visible {
  opacity: 1;
  transform: translateY(0) scale(1);
  filter: blur(0);
}

.parallax-img {
  will-change: transform;
}

@media (max-width: 1100px) {
  .hero-grid,
  .signal-grid,
  .doctrine-grid,
  .system-grid,
  .proof-grid,
  .identity-grid,
  .contact-grid {
    grid-template-columns: 1fr;
  }

  .hero-side {
    grid-row: 2;
    max-width: 520px;
    text-align: left;
  }

  .system-sticky {
    position: relative;
    top: auto;
  }

  .signal-frame,
  .proof-image {
    height: 70svh;
    min-height: 500px;
  }

  .contact-card,
  .identity-image {
    max-width: 520px;
  }
}

@media (max-height: 760px) and (min-width: 821px) {
  h1 {
    font-size: clamp(2.7rem, 6.2vw, 6.35rem);
  }

  .hero-grid {
    gap: 18px;
    padding-top: 86px;
    padding-bottom: 30px;
  }

  .hero-actions {
    bottom: 24px;
  }

  .hero-copy {
    gap: 14px;
  }

  .hero-line {
    max-width: 620px;
    font-size: 1.05rem;
  }

  .hero-side {
    gap: 8px;
    font-size: 0.64rem;
  }

  .hero-side span {
    padding-bottom: 8px;
  }

  .button {
    min-height: 42px;
    padding: 10px 15px;
  }
}

@media (max-width: 820px) {
  body {
    background-size: 33vw 100%;
  }

  .webgl-ready .scene3d {
    opacity: 0.42;
    -webkit-mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.2) 0%, #000 24%, #000 100%);
    mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.2) 0%, #000 24%, #000 100%);
  }

  .scene3d {
    z-index: 1;
  }

  .webgl-ready .chapter {
    background: rgba(2, 3, 4, 0.78);
  }

  body::after,
  .cursor-dot,
  .cursor-ring {
    display: none;
  }

  .page-shell {
    width: min(100% - 32px, 1280px);
  }

  .site-header {
    min-height: 66px;
    padding: 12px 16px;
  }

  .nav-toggle {
    z-index: 270;
    display: grid;
  }

  .site-nav {
    position: fixed;
    inset: 0;
    z-index: 260;
    display: grid;
    align-content: center;
    justify-items: start;
    gap: 24px;
    padding: 90px 24px 40px;
    background: rgba(2, 3, 4, 0.98);
    font-size: 1rem;
    transform: translateX(100%);
    transition: transform 250ms ease;
  }

  .nav-open .site-nav {
    transform: translateX(0);
  }

  .chapter-meter {
    display: none;
  }

  .hero-grid,
  .signal-grid,
  .doctrine-grid,
  .system-grid,
  .proof-grid,
  .identity-grid,
  .contact-grid {
    gap: 34px;
    padding-top: 92px;
    padding-bottom: 82px;
  }

  .hero-grid {
    min-height: 100svh;
    overflow: hidden;
  }

  .hero-copy,
  .hero-line {
    max-width: 100%;
    min-width: 0;
  }

  .chapter-tag {
    display: block;
    width: 100%;
    max-width: 32ch;
  }

  .chapter-tag::after {
    width: min(90px, 32vw);
    margin-top: 12px;
    transform: scaleX(var(--chapter-line-scale, 0.38));
  }

  h1 {
    max-width: 11ch;
    font-size: clamp(2.25rem, 10.6vw, 2.85rem);
    line-height: 0.94;
  }

  h2 {
    font-size: clamp(1.95rem, 10vw, 2.85rem);
  }

  .hero-line {
    max-width: 28ch;
    font-size: 1rem;
  }

  .hero .chapter-media img {
    object-position: 61% center;
  }

  .hero-actions {
    display: grid;
  }

  .button {
    width: 100%;
  }

  .signal-frame,
  .proof-image {
    min-height: 420px;
  }

  .flow-item,
  .identity-copy div {
    grid-template-columns: 1fr;
    gap: 10px;
  }

  .bridge-copy {
    padding-top: 92px;
    padding-bottom: 82px;
  }

  .site-footer .page-shell {
    min-height: 96px;
    flex-direction: column;
    align-items: flex-start;
    justify-content: center;
  }
}

@media (max-width: 520px) {
  .hero-side {
    font-size: 0.66rem;
  }

  .contact-card {
    padding: 20px;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  .reveal {
    transform: none;
    filter: none;
  }

  .cursor-dot,
  .cursor-ring,
  .webgl-ready .scene3d,
  body::after {
    display: none !important;
  }

  .parallax-img {
    transform: none !important;
  }
}