:root {
  --bg: #05070a;
  --bg-2: #0a0f16;
  --panel: #0e1520;
  --white: #f7fafc;
  --text: #e7edf5;
  --muted: #8c99aa;
  --dim: #748397;
  --grid: #243142;
  --blue: #3b82f6;
  --blue-2: #60a5fa;
  --blue-deep: #1d4ed8;
  --cyan: #67e8f9;
  --amber: #f4b860;
  --max: 1440px;
  --gutter: clamp(1.5rem, 5.625vw, 4.5rem);
  --font: "Avenir Next", Avenir, Inter, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --mono: ui-monospace, "SFMono-Regular", Menlo, Monaco, Consolas, monospace;
}

* { box-sizing: border-box; }

html {
  color-scheme: dark;
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-width: 320px;
  color: var(--text);
  background: var(--bg);
  font-family: var(--font);
  font-weight: 400;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

a { color: inherit; }

::selection {
  color: var(--bg);
  background: var(--cyan);
}

.skip-link {
  position: fixed;
  z-index: 100;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  border: 0;
  overflow: hidden;
  clip: rect(0 0 0 0);
  clip-path: inset(50%);
  white-space: nowrap;
  text-decoration: none;
}

.skip-link:focus-visible {
  top: calc(env(safe-area-inset-top, 0px) + 0.75rem);
  left: 0.75rem;
  width: auto;
  height: auto;
  padding: 0.75rem 1rem;
  margin: 0;
  clip: auto;
  clip-path: none;
  color: var(--bg);
  background: var(--white);
}

.page-grid {
  position: fixed;
  z-index: -1;
  inset: 0;
  pointer-events: none;
  opacity: 0.25;
  background-image:
    linear-gradient(rgba(36, 49, 66, 0.42) 1px, transparent 1px),
    linear-gradient(90deg, rgba(36, 49, 66, 0.42) 1px, transparent 1px);
  background-size: 6rem 6rem;
  mask-image: linear-gradient(to bottom, black 0%, transparent 76%);
}

.site-header,
main > section,
footer {
  width: min(100%, var(--max));
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.site-header {
  position: absolute;
  z-index: 20;
  top: 0;
  left: 50%;
  display: flex;
  min-height: 6rem;
  padding-top: env(safe-area-inset-top, 0px);
  align-items: center;
  justify-content: space-between;
  transform: translateX(-50%);
  border-bottom: 1px solid rgba(36, 49, 66, 0.72);
}

.wordmark {
  display: inline-flex;
  gap: 0.42rem;
  align-items: center;
  color: var(--white);
  font-size: 0.78rem;
  font-weight: 400;
  letter-spacing: 0.07em;
  text-decoration: none;
}

.wordmark span { color: var(--blue-2); }

nav {
  display: flex;
  gap: clamp(1.25rem, 2.4vw, 2.5rem);
  align-items: center;
}

nav a {
  color: var(--muted);
  font-size: 0.78rem;
  text-decoration: none;
  transition: color 180ms ease;
}

nav a:hover,
nav a:focus-visible { color: var(--white); }

.wordmark:focus-visible,
nav a:focus-visible,
.closing-link:focus-visible {
  outline: 1px solid var(--cyan);
  outline-offset: 0.4rem;
}

.hero {
  position: relative;
  display: grid;
  min-height: 100svh;
  grid-template-columns: minmax(0, 0.82fr) minmax(30rem, 1.18fr);
  gap: clamp(1rem, 3vw, 4rem);
  align-items: center;
  padding-top: 9rem;
  padding-bottom: 5rem;
  overflow: visible;
}

.hero-copy {
  position: relative;
  z-index: 4;
  max-width: 46rem;
}

.eyebrow,
.section-label,
.point-status,
.scene-caption,
.scene-index,
.company-note {
  font-family: var(--mono);
  font-size: 0.68rem;
  font-weight: 400;
  letter-spacing: 0.11em;
  line-height: 1.5;
  text-transform: uppercase;
}

.eyebrow {
  display: flex;
  gap: 0.7rem;
  align-items: center;
  margin: 0 0 2rem;
  color: var(--blue-2);
}

.eyebrow span {
  width: 1.75rem;
  height: 1px;
  background: var(--blue);
}

h1,
h2,
h3,
p { margin-top: 0; }

h1 {
  max-width: 8.4ch;
  margin-bottom: 1.75rem;
  color: var(--white);
  font-size: clamp(4rem, 7.6vw, 7.25rem);
  font-weight: 400;
  letter-spacing: -0.055em;
  line-height: 0.9;
}

.hero-intro {
  max-width: 39rem;
  margin-bottom: 0;
  color: var(--muted);
  font-size: clamp(1.03rem, 1.35vw, 1.28rem);
  line-height: 1.55;
}

.button {
  display: inline-flex;
  min-height: 3.25rem;
  gap: 2.2rem;
  margin-top: 2.25rem;
  padding: 0.9rem 1.25rem;
  border: 1px solid var(--blue-2);
  align-items: center;
  justify-content: center;
  color: var(--bg);
  background: var(--blue-2);
  font-size: 0.92rem;
  font-weight: 500;
  text-decoration: none;
  transition: background-color 180ms ease, transform 180ms ease;
}

.button:hover,
.button:focus-visible {
  border-color: var(--cyan);
  background: var(--cyan);
  transform: translateY(-2px);
}

.button:focus-visible {
  outline: 2px solid var(--white);
  outline-offset: 3px;
}

.scene-shell {
  position: relative;
  z-index: 1;
  width: min(100%, 49rem);
  min-width: 0;
  justify-self: end;
  scroll-margin-top: 2rem;
}

.scene-shell:focus-visible {
  outline: 1px solid rgba(103, 232, 249, 0.6);
  outline-offset: 0.5rem;
}

.scene-stage {
  position: relative;
  width: 100%;
  aspect-ratio: 1.14;
  overflow: hidden;
  isolation: isolate;
  background:
    radial-gradient(circle at 52% 52%, rgba(31, 97, 204, 0.13), transparent 38%),
    radial-gradient(circle at 50% 55%, rgba(103, 232, 249, 0.04), transparent 62%);
}

.scene-stage::before {
  content: "";
  position: absolute;
  z-index: 0;
  inset: 8%;
  border: 1px solid rgba(96, 165, 250, 0.1);
  border-radius: 50%;
  opacity: 0.7;
  mask-image: linear-gradient(90deg, transparent, black 22%, black 78%, transparent);
}

.scene-stage::after {
  content: "";
  position: absolute;
  z-index: 3;
  inset: auto 0 0;
  height: 14%;
  pointer-events: none;
  background: linear-gradient(to bottom, transparent, var(--bg));
}

#memory-canvas {
  position: absolute;
  z-index: 2;
  inset: 0;
  width: 100%;
  height: 100%;
  opacity: 0;
  cursor: grab;
  touch-action: pan-y;
  transition: opacity 700ms ease;
}

#memory-canvas:active { cursor: grabbing; }
#memory-canvas.is-hovering { cursor: pointer; }

.webgl-ready #memory-canvas { opacity: 1; }

.fallback-package {
  position: absolute;
  z-index: 1;
  top: 50%;
  left: 50%;
  width: 26rem;
  height: 20rem;
  transform: translate(-50%, -48%) rotate(-7deg) skewY(2deg) scale(var(--fallback-scale, 1));
  transition: opacity 300ms ease;
}

.webgl-ready .fallback-package { opacity: 0; }

.fallback-interposer {
  position: absolute;
  bottom: 2.6rem;
  left: 1rem;
  width: 24rem;
  height: 11rem;
  border: 1px solid var(--blue);
  background: var(--panel);
  box-shadow: 1.4rem 1rem 0 #07101a;
  transform: perspective(36rem) rotateX(63deg) rotateZ(-1deg);
}

.fallback-die {
  position: absolute;
  z-index: 3;
  top: 7.3rem;
  left: 9rem;
  display: grid;
  width: 8rem;
  height: 6.5rem;
  border: 1px solid var(--cyan);
  place-items: center;
  color: var(--white);
  background: #174f9e;
  box-shadow: 0.7rem 0.7rem 0 #0a2340;
  font-family: var(--mono);
  font-size: 0.8rem;
  letter-spacing: 0.12em;
}

.fallback-stack {
  position: absolute;
  z-index: 4;
  display: grid;
  gap: 0.28rem;
  width: 5.3rem;
}

.fallback-stack i {
  display: block;
  height: 0.82rem;
  border: 1px solid var(--blue-2);
  background: #0a2340;
  box-shadow: 0.3rem 0.2rem 0 #06101b;
}

.stack-a { top: 2.8rem; left: 1.2rem; }
.stack-b { top: 2rem; right: 1rem; }
.stack-c { bottom: 1.8rem; left: 0; }
.stack-d { right: 0; bottom: 2.8rem; }

.scene-status,
.scene-hint {
  position: absolute;
  z-index: 4;
  top: 1rem;
  margin: 0;
  color: var(--dim);
  font-family: var(--mono);
  font-size: 0.62rem;
  font-weight: 400;
  letter-spacing: 0.1em;
  line-height: 1.5;
  text-transform: uppercase;
  pointer-events: none;
}

.scene-status {
  left: 0;
  display: flex;
  gap: 0.65rem;
  align-items: center;
}

.scene-status span {
  width: 0.42rem;
  height: 0.42rem;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 1rem rgba(103, 232, 249, 0.75);
}

.scene-hint {
  right: 0;
  text-align: right;
}

.scene-console {
  display: grid;
  grid-template-columns: minmax(16rem, 0.92fr) minmax(0, 1.08fr);
  gap: clamp(2rem, 4vw, 4rem);
  padding-top: 1.35rem;
  border-top: 1px solid rgba(36, 49, 66, 0.92);
}

.scene-tabs {
  display: flex;
  gap: clamp(1rem, 2.4vw, 2rem);
  align-items: start;
}

.scene-tabs button {
  position: relative;
  padding: 0 0 0.8rem;
  border: 0;
  color: var(--dim);
  background: transparent;
  font: inherit;
  font-size: 0.8rem;
  font-weight: 400;
  cursor: pointer;
  transition: color 180ms ease;
}

.scene-tabs button::after {
  content: "";
  position: absolute;
  right: 0;
  bottom: 0;
  left: 0;
  height: 1px;
  background: var(--cyan);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 220ms ease;
}

.scene-tabs button span {
  display: block;
  margin-bottom: 0.4rem;
  color: var(--blue-2);
  font-family: var(--mono);
  font-size: 0.58rem;
  letter-spacing: 0.08em;
}

.scene-tabs button:hover,
.scene-tabs button:focus-visible,
.scene-tabs button[aria-selected="true"] { color: var(--white); }

.scene-tabs button[aria-selected="true"]::after { transform: scaleX(1); }

.scene-tabs button:focus-visible {
  outline: 1px solid var(--cyan);
  outline-offset: 0.4rem;
}

.scene-readout {
  min-height: 7rem;
  padding-left: clamp(1.5rem, 3vw, 2.5rem);
  border-left: 1px solid var(--grid);
}

.scene-readout-index {
  margin-bottom: 0.55rem;
  color: var(--blue-2);
  font-family: var(--mono);
  font-size: 0.6rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.scene-readout h3 {
  margin-bottom: 0.55rem;
  color: var(--white);
  font-size: clamp(1.25rem, 1.65vw, 1.55rem);
  font-weight: 400;
  letter-spacing: -0.025em;
  line-height: 1.15;
}

.scene-readout > p:last-child {
  max-width: 33rem;
  margin-bottom: 0;
  color: var(--muted);
  font-size: 0.88rem;
  line-height: 1.55;
}

.approach {
  display: grid;
  min-height: 90svh;
  grid-template-columns: minmax(0, 0.78fr) minmax(28rem, 1.22fr);
  gap: clamp(4rem, 9vw, 9rem);
  align-items: center;
  padding-top: clamp(7rem, 13vw, 12rem);
  padding-bottom: clamp(7rem, 13vw, 12rem);
  border-top: 1px solid var(--grid);
}

.section-label {
  margin-bottom: 1.6rem;
  color: var(--blue-2);
}

h2 {
  margin-bottom: 1.75rem;
  color: var(--white);
  font-size: clamp(3.25rem, 5.6vw, 5.8rem);
  font-weight: 400;
  letter-spacing: -0.05em;
  line-height: 0.96;
}

.section-copy > p:last-child {
  max-width: 39rem;
  margin-bottom: 0;
  color: var(--muted);
  font-size: clamp(1rem, 1.25vw, 1.2rem);
  line-height: 1.62;
}

.system-rail {
  position: relative;
  display: block;
  border-top: 1px solid var(--grid);
}

.system-rail details {
  position: relative;
  min-height: 0;
  border-bottom: 1px solid var(--grid);
  transition: background-color 220ms ease, border-color 220ms ease;
}

.system-rail summary {
  display: grid;
  min-height: 6.75rem;
  grid-template-columns: 3.5rem minmax(0, 1fr) 1rem;
  gap: 1rem;
  padding: 0;
  align-items: center;
  cursor: pointer;
  list-style: none;
}

.system-rail summary::-webkit-details-marker { display: none; }

.system-rail summary:focus-visible {
  outline: 0;
  box-shadow: inset 2px 0 0 var(--cyan);
}

.system-rail summary > span:first-child {
  color: var(--blue-2);
  font-family: var(--mono);
  font-size: 0.68rem;
}

.system-rail .summary-title {
  max-width: none;
  margin: 0;
  color: var(--text);
  font-size: clamp(1.2rem, 1.55vw, 1.48rem);
  font-weight: 400;
  letter-spacing: -0.025em;
  line-height: 1.18;
}

.system-rail summary i {
  position: relative;
  width: 0.75rem;
  height: 0.75rem;
  justify-self: end;
}

.system-rail summary i::before,
.system-rail summary i::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 0;
  width: 100%;
  height: 1px;
  background: var(--blue-2);
  transition: transform 220ms ease;
}

.system-rail summary i::after { transform: rotate(90deg); }
.system-rail details[open] summary i::after { transform: rotate(0); }

.system-rail details > p {
  max-width: 34rem;
  margin: 0;
  padding: 0 2rem 2rem 4.5rem;
  color: var(--muted);
  font-size: 0.96rem;
  line-height: 1.6;
}

.system-rail details[open] {
  background: linear-gradient(90deg, rgba(59, 130, 246, 0.1), transparent 70%);
  border-bottom-color: rgba(96, 165, 250, 0.7);
}

.system-rail details[open] .summary-title { color: var(--white); }

.vision {
  position: relative;
  padding-top: clamp(7rem, 13vw, 12rem);
  padding-bottom: clamp(7rem, 13vw, 12rem);
  border-top: 1px solid var(--grid);
}

.vision > h2 { max-width: 12ch; }

.vision-line {
  position: relative;
  display: grid;
  height: 5rem;
  grid-template-columns: repeat(3, 1fr);
  align-items: center;
  margin-top: clamp(4rem, 8vw, 7rem);
}

.vision-line::before {
  content: "";
  position: absolute;
  right: 0;
  left: 0;
  height: 2px;
  background: var(--grid);
}

.vision-line::after {
  content: "";
  position: absolute;
  left: 0;
  width: 67%;
  height: 2px;
  background: var(--blue);
}

.vision-line i {
  position: relative;
  z-index: 2;
  width: 0.9rem;
  height: 0.9rem;
  border: 2px solid var(--bg);
  border-radius: 50%;
  background: var(--blue-2);
  box-shadow: 0 0 0 1px var(--blue-2);
}

.vision-line i:nth-child(2) { justify-self: center; }
.vision-line i:nth-child(3) {
  justify-self: end;
  background: var(--amber);
  box-shadow: 0 0 0 1px var(--amber);
}

.vision-points {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: clamp(3rem, 4.5vw, 4.5rem);
}

.vision-points article {
  min-width: 0;
  min-height: 14rem;
}

.point-status {
  margin-bottom: 1.2rem;
  color: var(--blue-2);
}

.future-point .point-status { color: var(--amber); }

.vision-points h3 {
  max-width: 11ch;
  margin-bottom: 1rem;
  color: var(--white);
  font-size: clamp(1.35rem, 1.75vw, 1.7rem);
  font-weight: 400;
  letter-spacing: -0.03em;
  line-height: 1.12;
}

.vision-points article > p:last-child {
  margin-bottom: 0;
  color: var(--muted);
  font-size: 0.92rem;
  line-height: 1.62;
}

.company-note {
  max-width: 52rem;
  margin: 4rem 0 0;
  color: var(--dim);
  text-transform: none;
}

.closing {
  display: grid;
  min-height: 72svh;
  grid-template-columns: minmax(0, 1fr) minmax(18rem, 0.32fr);
  grid-template-rows: auto auto;
  gap: 0 clamp(4rem, 9vw, 9rem);
  align-content: center;
  border-top: 1px solid var(--grid);
}

.closing .section-label { grid-column: 1; }

.closing h2 {
  grid-column: 1;
  max-width: 11ch;
  margin-bottom: 0;
}

.closing-link {
  display: flex;
  min-height: 9rem;
  grid-column: 2;
  grid-row: 1 / 3;
  align-self: center;
  align-items: center;
  justify-content: space-between;
  border-top: 1px solid var(--blue);
  border-bottom: 1px solid var(--grid);
  color: var(--text);
  font-size: 1rem;
  text-decoration: none;
  transition: border-color 180ms ease, color 180ms ease;
}

.closing-link i {
  color: var(--blue-2);
  font-size: 1.7rem;
  font-style: normal;
  transition: transform 180ms ease;
}

.closing-link:hover,
.closing-link:focus-visible {
  border-color: var(--cyan);
  color: var(--white);
}

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

footer {
  display: flex;
  min-height: 7rem;
  gap: 2rem;
  align-items: center;
  justify-content: space-between;
  border-top: 1px solid var(--grid);
  color: var(--dim);
  font-family: var(--mono);
  font-size: 0.64rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

footer p { margin: 0; }

@media (max-width: 1050px) {
  .hero { grid-template-columns: minmax(0, 0.9fr) minmax(22rem, 1.1fr); }
  .approach { min-height: auto; grid-template-columns: 1fr; }
  .section-copy,
  .system-rail { max-width: 48rem; }
}

@media (max-width: 780px) {
  .page-grid { background-size: 4rem 4rem; }

  .site-header {
    min-height: calc(5rem + env(safe-area-inset-top, 0px));
    background: var(--bg);
  }

  .hero {
    display: block;
    min-height: auto;
    padding-top: calc(8rem + env(safe-area-inset-top, 0px));
    padding-bottom: 5rem;
  }

  .hero-copy { max-width: 39rem; }

  h1 {
    max-width: 9ch;
    font-size: clamp(3.45rem, 15vw, 5.8rem);
    line-height: 0.92;
  }

  .hero-intro { max-width: 32rem; }

  .scene-shell {
    width: 100%;
    margin: 3.5rem 0 0;
    opacity: 1;
    --fallback-scale: 0.84;
  }

  .scene-stage { aspect-ratio: 1.06; }

  .scene-console {
    grid-template-columns: 1fr;
    gap: 1.4rem;
  }

  .scene-readout {
    min-height: 0;
    padding: 1.3rem 0 0;
    border-top: 1px solid var(--grid);
    border-left: 0;
  }

  .vision-points { grid-template-columns: 1fr; gap: 0; }
  .vision-line { display: none; }

  .vision-points article {
    min-height: auto;
    padding: 2.25rem 0;
    border-top: 1px solid var(--grid);
  }

  .vision-points h3 { max-width: none; }

  .closing {
    min-height: 80svh;
    grid-template-columns: 1fr;
    grid-template-rows: auto;
    gap: 2.5rem;
  }

  .closing .section-label,
  .closing h2,
  .closing-link { grid-column: 1; grid-row: auto; }
  .closing-link { min-height: 7rem; }

  footer {
    min-height: 8rem;
    padding-bottom: env(safe-area-inset-bottom, 0px);
    flex-wrap: wrap;
    align-content: center;
  }
}

@media (max-width: 520px) {
  :root { --gutter: 1.25rem; }

  .site-header { min-height: calc(4.75rem + env(safe-area-inset-top, 0px)); }
  .wordmark { font-size: 0.72rem; }
  nav a { font-size: 0.7rem; }

  .hero { min-height: auto; padding-top: calc(7.2rem + env(safe-area-inset-top, 0px)); }
  .eyebrow { margin-bottom: 1.6rem; font-size: 0.6rem; }
  h1 { font-size: clamp(3.25rem, 16.5vw, 4.7rem); }
  .hero-intro { font-size: 1rem; }
  .button { width: 100%; }

  .scene-shell { margin-top: 3rem; }
  .scene-stage { aspect-ratio: 0.96; }
  .scene-status,
  .scene-hint { top: 0.55rem; font-size: 0.54rem; }
  .scene-hint { max-width: 9rem; }
  .scene-tabs { justify-content: space-between; }
  .scene-tabs button { font-size: 0.76rem; }

  .approach,
  .vision { padding-block: 6rem; }
  h2 { font-size: clamp(3rem, 14vw, 4.4rem); }

  .system-rail details { min-height: 0; border-left: 0 !important; }
  .system-rail summary {
    min-height: 5.75rem;
    grid-template-columns: 2.5rem minmax(0, 1fr) 1rem;
    gap: 0.75rem;
  }
  .system-rail .summary-title { margin: 0; }
  .system-rail details > p { margin-top: 0; padding: 0 1.5rem 1.75rem 3.25rem; }

  .closing { min-height: 72svh; }
}

@media (max-width: 520px) {
  .fallback-package { --fallback-scale: 0.72; }
}

@media (max-width: 360px) {
  .fallback-package { --fallback-scale: 0.6; }
  .scene-hint {
    top: 2rem;
    right: auto;
    left: 0;
    max-width: none;
    text-align: left;
  }
}

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

/* Blue Horizon hero */
.site-header .wordmark {
  gap: 0.55rem;
  font-size: clamp(1.05rem, 1.2vw, 1.2rem);
  letter-spacing: 0.055em;
}

.site-header nav a {
  font-size: clamp(0.78rem, 0.85vw, 0.9rem);
}

.hero.hero-horizon {
  position: relative;
  display: block;
  width: 100%;
  max-width: none;
  min-height: 100svh;
  padding: clamp(9.5rem, 15vh, 11.5rem) var(--gutter) clamp(5rem, 8vh, 7rem);
  overflow: hidden;
  isolation: isolate;
}

.hero-horizon::before {
  content: "";
  position: absolute;
  z-index: 2;
  inset: 0;
  pointer-events: none;
  background:
    linear-gradient(90deg, rgba(5, 7, 10, 0.96) 0%, rgba(5, 7, 10, 0.88) 28%, rgba(5, 7, 10, 0.18) 58%, transparent 78%),
    linear-gradient(180deg, rgba(5, 7, 10, 0.34), transparent 38%, rgba(5, 7, 10, 0.28));
}

.hero-horizon::after {
  content: "";
  position: absolute;
  z-index: 2;
  right: var(--gutter);
  bottom: 0;
  left: var(--gutter);
  height: 1px;
  background: rgba(116, 131, 151, 0.28);
}

#hero-canvas,
.hero-light-fallback {
  position: absolute;
  z-index: 1;
  inset: 0;
  width: 100%;
  height: 100%;
}

#hero-canvas {
  display: block;
  opacity: 0;
  touch-action: pan-y;
  transition: opacity 900ms ease;
}

.hero-horizon.webgl-ready #hero-canvas { opacity: 1; }

.hero-light-fallback {
  background:
    radial-gradient(70% 42% at 78% 66%, rgba(59, 130, 246, 0.42), transparent 70%),
    linear-gradient(165deg, transparent 45%, rgba(21, 94, 239, 0.48) 64%, rgba(5, 7, 10, 0) 83%);
  transition: opacity 700ms ease;
}

.hero-horizon.webgl-ready .hero-light-fallback { opacity: 0.18; }

.hero-horizon .hero-copy {
  position: relative;
  z-index: 3;
  width: min(100%, var(--max));
  max-width: var(--max);
  margin-inline: auto;
}

.hero-horizon .eyebrow {
  display: block;
  margin-bottom: clamp(2.2rem, 4vh, 3.6rem);
  color: var(--blue-2);
  font-size: 0.72rem;
  letter-spacing: 0.16em;
}

.hero-horizon h1 {
  display: flex;
  max-width: none;
  flex-direction: column;
  margin: 0;
  color: var(--white);
  font-size: clamp(5.2rem, 9vw, 9.5rem);
  font-weight: 400;
  letter-spacing: -0.065em;
  line-height: 0.83;
}

.hero-horizon h1 span { display: block; width: max-content; max-width: 100%; }

.hero-meta {
  display: grid;
  max-width: 70rem;
  grid-template-columns: minmax(20rem, 36rem) minmax(13rem, 18rem);
  gap: clamp(3rem, 7vw, 8rem);
  align-items: end;
  margin-top: clamp(2.8rem, 6vh, 5rem);
}

.hero-horizon .hero-intro {
  max-width: 36rem;
  margin: 0;
  color: #a7b1bf;
  font-size: clamp(1.08rem, 1.4vw, 1.34rem);
  line-height: 1.56;
}

.hero-link {
  display: grid;
  min-height: 3.4rem;
  grid-template-columns: auto minmax(2rem, 1fr) auto;
  gap: 1rem;
  align-items: center;
  color: var(--white);
  font-size: 0.92rem;
  text-decoration: none;
}

.hero-link i {
  height: 1px;
  background: var(--blue-2);
  transform: scaleX(0.55);
  transform-origin: left;
  transition: transform 420ms cubic-bezier(0.22, 1, 0.36, 1);
}

.hero-link b {
  color: var(--blue-2);
  font-size: 1.15rem;
  font-weight: 400;
  transition: transform 300ms ease;
}

.hero-link:hover i,
.hero-link:focus-visible i { transform: scaleX(1); }

.hero-link:hover b,
.hero-link:focus-visible b { transform: translateY(0.3rem); }

.hero-link:focus-visible {
  outline: 1px solid var(--blue-2);
  outline-offset: 0.6rem;
}

.hero-coordinate {
  position: absolute;
  z-index: 3;
  right: var(--gutter);
  bottom: 2rem;
  display: flex;
  gap: 1.4rem;
  margin: 0;
  color: var(--dim);
  font-family: var(--mono);
  font-size: 0.64rem;
  letter-spacing: 0.1em;
}

@media (max-width: 780px) {
  .hero.hero-horizon {
    min-height: 100svh;
    padding-top: calc(8.4rem + env(safe-area-inset-top, 0px));
    padding-bottom: 5.5rem;
  }

  .hero-horizon::before {
    background:
      linear-gradient(180deg, rgba(5, 7, 10, 0.98) 0%, rgba(5, 7, 10, 0.88) 48%, rgba(5, 7, 10, 0.2) 74%, rgba(5, 7, 10, 0.5) 100%);
  }

  .hero-horizon h1 {
    font-size: clamp(4rem, 15.5vw, 6rem);
    line-height: 0.86;
  }

  .hero-meta {
    grid-template-columns: 1fr;
    gap: 1.7rem;
    margin-top: 2.7rem;
  }

  .hero-horizon .hero-intro {
    max-width: 31rem;
    font-size: 1rem;
  }

  .hero-link { max-width: 22rem; }
  .hero-coordinate { display: none; }
}

@media (max-width: 420px) {
  .site-header .wordmark { font-size: 1.05rem; }
  .site-header nav a { font-size: 0.8rem; }
  .hero.hero-horizon { padding-top: calc(7.7rem + env(safe-area-inset-top, 0px)); }
  .hero-horizon .eyebrow { margin-bottom: 2rem; font-size: 0.65rem; }
  .hero-horizon h1 { font-size: clamp(3.7rem, 16.2vw, 4.25rem); }
  .hero-meta { margin-top: 2.3rem; }
}

/* Proven design intelligence */
.proof-band {
  --spot-x: 72%;
  --spot-y: 50%;
  position: relative;
  display: grid;
  min-height: 54svh;
  grid-template-columns: minmax(18rem, 0.68fr) minmax(28rem, 1.32fr);
  grid-template-rows: auto 1fr;
  gap: clamp(2.5rem, 6vw, 7rem);
  align-items: end;
  padding-top: clamp(6rem, 10vw, 9rem);
  padding-bottom: clamp(6rem, 10vw, 9rem);
  overflow: hidden;
  isolation: isolate;
  border-bottom: 1px solid rgba(116, 131, 151, 0.28);
}

.proof-band::before {
  content: "";
  position: absolute;
  z-index: -1;
  inset: 0;
  pointer-events: none;
  background: radial-gradient(34rem circle at var(--spot-x) var(--spot-y), rgba(21, 94, 239, 0.12), transparent 70%);
}

.proof-band .section-label {
  align-self: start;
  margin: 0;
  color: var(--blue-2);
  font-size: 0.74rem;
  letter-spacing: 0.14em;
}

.proof-band h2 {
  grid-column: 1 / -1;
  max-width: 12ch;
  margin: 0;
  color: var(--white);
  font-size: clamp(4.4rem, 7.5vw, 8rem);
  font-weight: 400;
  letter-spacing: -0.065em;
  line-height: 0.88;
}

.proof-copy {
  grid-column: 2;
  grid-row: 1;
  max-width: 38rem;
  margin: 0;
  align-self: start;
  color: #a7b1bf;
  font-size: clamp(1.08rem, 1.45vw, 1.36rem);
  line-height: 1.58;
}

.proof-word {
  position: absolute;
  z-index: -1;
  right: -0.04em;
  bottom: -0.2em;
  color: var(--blue-2);
  font-size: clamp(11rem, 24vw, 24rem);
  font-weight: 400;
  letter-spacing: -0.08em;
  line-height: 0.78;
  opacity: 0.025;
  pointer-events: none;
}

@media (max-width: 780px) {
  .proof-band {
    min-height: auto;
    grid-template-columns: 1fr;
    grid-template-rows: auto;
    gap: 2.2rem;
    padding-block: 6.5rem;
  }

  .proof-band h2,
  .proof-copy {
    grid-column: 1;
    grid-row: auto;
  }

  .proof-band h2 {
    max-width: 100%;
    font-size: clamp(3.25rem, 13.4vw, 5.4rem);
  }

  .proof-copy {
    max-width: 31rem;
    font-size: 1rem;
  }

  .proof-word { font-size: 48vw; }
}

/* Kinetic editorial Approach */
.approach.approach-editorial {
  --spot-x: 70%;
  --spot-y: 46%;
  position: relative;
  display: grid;
  min-height: 100svh;
  grid-template-columns: minmax(20rem, 0.78fr) minmax(34rem, 1.22fr);
  gap: clamp(4rem, 8vw, 9rem);
  align-items: center;
  padding-top: clamp(8rem, 14vw, 13rem);
  padding-bottom: clamp(8rem, 14vw, 13rem);
  overflow: hidden;
  isolation: isolate;
  border-top: 0;
}

.approach-editorial::before {
  content: "";
  position: absolute;
  z-index: -1;
  inset: 0;
  pointer-events: none;
  background: radial-gradient(38rem circle at var(--spot-x) var(--spot-y), rgba(21, 94, 239, 0.1), transparent 68%);
  opacity: 0.9;
  transition: opacity 350ms ease;
}

.approach-editorial::after {
  content: "";
  position: absolute;
  right: var(--gutter);
  bottom: 0;
  left: var(--gutter);
  height: 1px;
  background: rgba(116, 131, 151, 0.28);
}

.approach-watermark {
  position: absolute;
  z-index: -1;
  right: -0.03em;
  bottom: -0.15em;
  max-width: 100%;
  overflow: hidden;
  color: var(--blue-2);
  font-size: clamp(7rem, 15vw, 16rem);
  font-weight: 400;
  letter-spacing: -0.075em;
  line-height: 0.8;
  opacity: 0.035;
  pointer-events: none;
}

.approach-watermark span {
  display: block;
  transform: translateX(4%);
  transition: opacity 280ms ease, transform 700ms cubic-bezier(0.22, 1, 0.36, 1);
}

.approach-editorial.has-selection .approach-watermark span {
  opacity: 1;
  transform: translateX(0);
}

.approach-editorial .section-copy {
  position: relative;
  z-index: 2;
  max-width: 41rem;
}

.approach-editorial .section-label,
.vision-editorial .section-label {
  margin-bottom: 2rem;
  font-size: 0.78rem;
  letter-spacing: 0.14em;
}

.approach-editorial h2,
.vision-editorial h2 {
  font-size: clamp(4.2rem, 6.6vw, 7.2rem);
  letter-spacing: -0.06em;
  line-height: 0.88;
}

.approach-editorial .section-copy > p:last-child {
  max-width: 34rem;
  color: #9ba7b7;
  font-size: clamp(1.05rem, 1.2vw, 1.2rem);
}

.approach-list {
  position: relative;
  z-index: 3;
  border-top: 1px solid rgba(116, 131, 151, 0.34);
}

.approach-item {
  position: relative;
  overflow: hidden;
  border-bottom: 1px solid rgba(116, 131, 151, 0.34);
}

.approach-item::before {
  content: "";
  position: absolute;
  z-index: -1;
  top: 0.45rem;
  right: 0;
  bottom: 0.45rem;
  left: 7.75rem;
  border-radius: 1.25rem 0 0 1.25rem;
  background: linear-gradient(90deg, rgba(29, 78, 216, 0.2), rgba(59, 130, 246, 0.06) 58%, transparent);
  opacity: 0;
  transform: translateX(1.5rem);
  transition: opacity 300ms ease, transform 520ms cubic-bezier(0.22, 1, 0.36, 1);
}

.approach-item::after {
  content: "";
  position: absolute;
  right: 0;
  bottom: 0;
  left: 7.75rem;
  height: 2px;
  background: linear-gradient(90deg, var(--blue-2), transparent 82%);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 440ms cubic-bezier(0.22, 1, 0.36, 1);
}

.approach-item[data-open="true"]::before {
  opacity: 1;
  transform: translateX(0);
}

.approach-item[data-open="true"]::after { transform: scaleX(1); }

.approach-item h3,
.vision-stage h3 { margin: 0; }

.approach-trigger {
  position: relative;
  z-index: 2;
  display: grid;
  width: 100%;
  min-height: 8rem;
  grid-template-columns: 4.75rem minmax(0, 1fr) 2rem;
  gap: 1.5rem;
  padding: 0 1.5rem;
  border: 0;
  align-items: center;
  color: inherit;
  background: transparent;
  font: inherit;
  text-align: left;
  cursor: pointer;
}

.approach-trigger:focus-visible {
  outline: 0;
}

.approach-trigger:focus-visible .item-title {
  text-decoration: underline;
  text-decoration-color: var(--blue-2);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.4rem;
}

.item-number {
  color: var(--blue-2);
  font-size: clamp(1.45rem, 1.8vw, 1.9rem);
  font-weight: 400;
  letter-spacing: -0.04em;
  transition: color 280ms ease, transform 420ms cubic-bezier(0.22, 1, 0.36, 1);
}

.item-title {
  color: #cbd4df;
  font-size: clamp(1.65rem, 2.25vw, 2.35rem);
  font-weight: 400;
  letter-spacing: -0.035em;
  line-height: 1.08;
  transition: color 280ms ease, transform 420ms cubic-bezier(0.22, 1, 0.36, 1);
}

.item-symbol {
  position: relative;
  width: 1.25rem;
  height: 1.25rem;
  justify-self: end;
}

.item-symbol::before,
.item-symbol::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 0;
  width: 100%;
  height: 1px;
  background: var(--blue-2);
  transition: transform 300ms ease;
}

.item-symbol::after { transform: rotate(90deg); }
.approach-item[data-open="true"] .item-symbol::after { transform: rotate(0); }

.approach-trigger:hover .item-number,
.approach-trigger:hover .item-title,
.approach-item[data-open="true"] .item-number,
.approach-item[data-open="true"] .item-title {
  color: var(--white);
}

.approach-panel {
  display: grid;
  grid-template-rows: 0fr;
  opacity: 0;
  transition: grid-template-rows 360ms cubic-bezier(0.22, 1, 0.36, 1), opacity 240ms ease;
}

.approach-item[data-open="true"] .approach-panel {
  grid-template-rows: 1fr;
  opacity: 1;
}

.approach-panel-inner {
  display: grid;
  min-height: 0;
  grid-template-columns: 4.75rem minmax(0, 1fr) 2rem;
  gap: 1.5rem;
  padding: 0 1.5rem;
  overflow: hidden;
}

.approach-panel p {
  grid-column: 2;
  max-width: 35rem;
  margin: 0;
  padding: 0 0 2.2rem;
  color: #a7b1bf;
  font-size: 1rem;
  line-height: 1.62;
}

/* Three Horizons vision */
.vision.vision-editorial {
  --spot-x: 72%;
  --spot-y: 58%;
  position: relative;
  min-height: 100svh;
  padding-top: clamp(8rem, 14vw, 13rem);
  padding-bottom: clamp(8rem, 14vw, 13rem);
  overflow: hidden;
  isolation: isolate;
  border-top: 0;
}

.vision-plane {
  position: absolute;
  z-index: -2;
  inset: 0;
  pointer-events: none;
  background:
    radial-gradient(45rem circle at var(--spot-x) var(--spot-y), rgba(21, 94, 239, 0.16), transparent 66%),
    linear-gradient(180deg, transparent, rgba(10, 15, 22, 0.6));
  opacity: 0.9;
}

.vision-heading {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(20rem, 30rem);
  gap: clamp(3rem, 7vw, 8rem);
  align-items: end;
  margin-bottom: clamp(4rem, 8vw, 7rem);
}

.vision-heading .section-label { grid-column: 1 / -1; margin-bottom: -1rem; }
.vision-heading h2 { max-width: 9ch; margin: 0; }

.vision-heading > p:last-child {
  max-width: 29rem;
  margin: 0 0 0.6rem;
  color: #9ba7b7;
  font-size: clamp(1.05rem, 1.2vw, 1.2rem);
  line-height: 1.62;
}

.vision-stages {
  position: relative;
  display: grid;
  min-height: 34rem;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  border-top: 1px solid rgba(116, 131, 151, 0.34);
  border-bottom: 1px solid rgba(116, 131, 151, 0.34);
  transition: grid-template-columns 620ms cubic-bezier(0.22, 1, 0.36, 1);
}

.vision-editorial[data-active="0"] .vision-stages { grid-template-columns: 1.55fr 0.725fr 0.725fr; }
.vision-editorial[data-active="1"] .vision-stages { grid-template-columns: 0.725fr 1.55fr 0.725fr; }
.vision-editorial[data-active="2"] .vision-stages { grid-template-columns: 0.725fr 0.725fr 1.55fr; }

.vision-stage {
  position: relative;
  display: flex;
  min-width: 0;
  flex-direction: column;
  overflow: hidden;
  border-left: 1px solid rgba(116, 131, 151, 0.34);
  transition: opacity 320ms ease, background-color 320ms ease;
}

.vision-stage:first-child { border-left: 0; }

.vision-stage::before {
  content: "";
  position: absolute;
  z-index: -1;
  inset: 0.65rem;
  background:
    radial-gradient(24rem circle at 35% 70%, rgba(96, 165, 250, 0.2), transparent 70%),
    linear-gradient(145deg, rgba(29, 78, 216, 0.16), transparent 70%);
  opacity: 0;
  transform: scale(0.96);
  transition: opacity 380ms ease, transform 600ms cubic-bezier(0.22, 1, 0.36, 1);
}

.vision-stage[data-open="true"]::before {
  opacity: 1;
  transform: scale(1);
}

.vision-editorial[data-active] .vision-stage:not([data-open="true"]) { opacity: 0.48; }

.vision-trigger {
  position: relative;
  z-index: 2;
  display: grid;
  width: 100%;
  min-height: 27rem;
  flex: 1;
  grid-template-columns: 1fr auto;
  grid-template-rows: auto auto 1fr;
  gap: 1.5rem;
  padding: clamp(1.5rem, 2.4vw, 2.5rem);
  border: 0;
  align-content: start;
  color: inherit;
  background: transparent;
  font: inherit;
  text-align: left;
  cursor: pointer;
}

.vision-trigger:focus-visible {
  outline: 0;
}

.vision-trigger:focus-visible .vision-title {
  text-decoration: underline;
  text-decoration-color: var(--blue-2);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.45rem;
}

.vision-number {
  grid-column: 1;
  color: var(--blue-2);
  font-size: clamp(5.5rem, 7.5vw, 8rem);
  font-weight: 400;
  letter-spacing: -0.075em;
  line-height: 0.8;
  transition: color 280ms ease, transform 520ms cubic-bezier(0.22, 1, 0.36, 1);
}

.vision-status {
  grid-column: 1 / -1;
  color: var(--muted);
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.11em;
  line-height: 1.4;
  text-transform: uppercase;
}

.vision-title {
  grid-column: 1;
  align-self: end;
  color: #cbd4df;
  font-size: clamp(1.8rem, 2.7vw, 3rem);
  font-weight: 400;
  letter-spacing: -0.045em;
  line-height: 0.98;
  transition: color 280ms ease, transform 520ms cubic-bezier(0.22, 1, 0.36, 1);
}

.vision-arrow {
  grid-column: 2;
  grid-row: 3;
  align-self: end;
  color: var(--blue-2);
  font-size: 1.4rem;
  transition: transform 320ms ease;
}

.vision-trigger:hover .vision-title,
.vision-stage[data-open="true"] .vision-title { color: var(--white); }

.vision-trigger:hover .vision-number,
.vision-stage[data-open="true"] .vision-number { color: #a8ccff; transform: translateY(-0.35rem); }

.vision-stage[data-open="true"] .vision-arrow { transform: rotate(90deg); }

.vision-body {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-rows: 0fr;
  opacity: 0;
  transition: grid-template-rows 430ms cubic-bezier(0.22, 1, 0.36, 1), opacity 260ms ease;
}

.vision-stage[data-open="true"] .vision-body {
  grid-template-rows: 1fr;
  opacity: 1;
}

.vision-body-inner { min-height: 0; overflow: hidden; }

.vision-body p {
  max-width: 34rem;
  margin: 0;
  padding: 0 clamp(1.5rem, 2.4vw, 2.5rem) 2.5rem;
  color: #a7b1bf;
  font-size: 1rem;
  line-height: 1.62;
}

.vision-word {
  position: absolute;
  z-index: 0;
  right: -0.04em;
  bottom: -0.12em;
  color: var(--blue-2);
  font-size: clamp(4rem, 7.8vw, 8rem);
  font-weight: 400;
  letter-spacing: -0.075em;
  line-height: 0.8;
  opacity: 0;
  pointer-events: none;
  transform: translateX(8%);
  transition: opacity 380ms ease, transform 620ms cubic-bezier(0.22, 1, 0.36, 1);
}

.vision-stage[data-open="true"] .vision-word { opacity: 0.055; transform: translateX(0); }

@media (max-width: 1050px) {
  .approach.approach-editorial {
    min-height: auto;
    grid-template-columns: 1fr;
    gap: 5rem;
  }

  .approach-editorial .section-copy { max-width: 48rem; }
  .approach-list { max-width: none; }
  .vision-heading { grid-template-columns: 1fr; gap: 2rem; }
  .vision-heading .section-label { margin-bottom: 0; }
}

@media (max-width: 780px) {
  .approach.approach-editorial,
  .vision.vision-editorial { padding-block: 7rem; }

  .approach-editorial h2,
  .vision-editorial h2 { font-size: clamp(3.75rem, 13vw, 5.5rem); }

  .approach-watermark { font-size: 22vw; }

  .approach-trigger {
    min-height: 7rem;
    grid-template-columns: 3.5rem minmax(0, 1fr) 1.25rem;
    gap: 1rem;
    padding: 0 1rem;
  }

  .approach-item::before {
    right: 0;
    left: 0;
    border-radius: 1rem;
    background: linear-gradient(90deg, rgba(29, 78, 216, 0.18), rgba(59, 130, 246, 0.08) 62%, rgba(59, 130, 246, 0.025));
  }

  .approach-item::after {
    right: 0;
    left: 0;
  }

  .item-number { font-size: 1.2rem; }
  .item-title { font-size: clamp(1.35rem, 6vw, 1.7rem); }
  .approach-panel-inner {
    grid-template-columns: 3.5rem minmax(0, 1fr) 1.25rem;
    gap: 1rem;
    padding: 0 1rem;
  }

  .approach-panel p { padding-bottom: 1.8rem; font-size: 0.95rem; }

  .vision-stages,
  .vision-editorial[data-active="0"] .vision-stages,
  .vision-editorial[data-active="1"] .vision-stages,
  .vision-editorial[data-active="2"] .vision-stages {
    min-height: 0;
    grid-template-columns: 1fr;
    border-bottom: 0;
  }

  .vision-stage,
  .vision-stage:first-child {
    border-right: 0;
    border-bottom: 1px solid rgba(116, 131, 151, 0.34);
    border-left: 0;
  }

  .vision-editorial[data-active] .vision-stage:not([data-open="true"]) { opacity: 1; }

  .vision-trigger {
    min-height: 15rem;
    grid-template-columns: 1fr auto;
    padding: 1.5rem 1rem;
  }

  .vision-number { font-size: clamp(4.5rem, 19vw, 6rem); }
  .vision-title { font-size: clamp(1.8rem, 8vw, 2.5rem); }
  .vision-body p { padding: 0 1rem 2rem; font-size: 0.95rem; }
  .vision-word { font-size: 20vw; }
}

@media (max-width: 420px) {
  .approach.approach-editorial,
  .vision.vision-editorial { padding-block: 6rem; }
  .approach-editorial .section-label,
  .vision-editorial .section-label { font-size: 0.7rem; }
  .approach-trigger { grid-template-columns: 3.1rem minmax(0, 1fr) 1.1rem; padding-inline: 1rem; }
  .approach-panel-inner { grid-template-columns: 3.1rem minmax(0, 1fr) 1.1rem; padding-inline: 1rem; }
  .approach-item::before,
  .approach-item::after {
    right: 0;
    left: 0;
  }
}

@media (prefers-reduced-motion: reduce) {
  .approach-watermark span,
  .approach-item::before,
  .approach-item::after,
  .approach-panel,
  .vision-stages,
  .vision-stage::before,
  .vision-body,
  .vision-word { transition: none !important; }
}