:root {
  --fu-night: #050817;
  --fu-deep: #090d1d;
  --fu-surface: #0e1428;
  --fu-surface-soft: #121a30;
  --fu-ink: #eef1fb;
  --fu-muted: #aeb8ce;
  --fu-dim: #7f89a2;
  --fu-accent: #b9a8dc;
  --fu-accent-strong: #d2c4ee;
  --fu-warm: #d4b36f;
  --fu-line: rgba(185, 168, 220, 0.22);
  --fu-line-soft: rgba(185, 198, 226, 0.13);
  --fu-shell: 1480px;
  --fu-radius: 6px;
}

html {
  background: var(--fu-night);
  scroll-padding-top: 90px;
}

.fragment-universe-page {
  background: var(--fu-night);
  color: var(--fu-ink);
}

.fragment-universe-page *,
.fragment-universe-page *::before,
.fragment-universe-page *::after {
  box-sizing: border-box;
  letter-spacing: 0;
}

.fragment-universe-page::before {
  background: var(--fu-night);
}

.fragment-universe-page nav {
  z-index: 20;
  padding: 20px 48px;
  border-bottom: 1px solid rgba(238, 241, 251, 0.08);
  background: rgba(5, 8, 23, 0.86);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
}

.fragment-universe-page .nav-links a {
  letter-spacing: 0;
}

.fragment-universe-page .nav-cta:hover {
  background: var(--fu-accent-strong);
  color: var(--fu-night);
}

.fragment-universe-page main {
  overflow: clip;
}

.fu-shell {
  width: min(100%, var(--fu-shell));
  margin: 0 auto;
  padding-inline: clamp(24px, 4vw, 64px);
}

.fu-hero {
  position: relative;
  display: flex;
  align-items: flex-end;
  min-height: 100vh;
  min-height: 100dvh;
  isolation: isolate;
  overflow: hidden;
  background: var(--fu-deep);
}

.fu-hero__media,
.fu-hero__shade {
  position: absolute;
  inset: 0;
}

.fu-hero__media {
  z-index: -3;
}

.fu-hero__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  transform: scale(1.015);
}

.fu-hero__shade {
  z-index: -2;
  background:
    linear-gradient(90deg, rgba(5, 8, 23, 0.97) 0%, rgba(5, 8, 23, 0.84) 35%, rgba(5, 8, 23, 0.2) 75%),
    linear-gradient(0deg, rgba(5, 8, 23, 0.98) 0%, rgba(5, 8, 23, 0.18) 58%, rgba(5, 8, 23, 0.52) 100%);
}

.fu-hero__content {
  padding-top: 118px;
  padding-bottom: clamp(46px, 7vh, 76px);
}

.fu-back-link,
.fu-text-link {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--fu-muted);
  font-size: 13px;
  font-weight: 600;
  text-transform: uppercase;
  transition: color 220ms ease;
}

.fu-back-link {
  margin-bottom: clamp(30px, 5vh, 58px);
}

.fu-back-link:hover,
.fu-text-link:hover {
  color: var(--fu-accent-strong);
}

.fu-eyebrow {
  margin: 0;
  color: var(--fu-accent-strong);
  font-family: var(--font-about-en);
  font-size: 13px;
  font-weight: 600;
  text-transform: uppercase;
}

.fu-hero h1 {
  max-width: 900px;
  margin: 16px 0 20px;
  color: var(--fu-ink);
  font-family: var(--font-body);
  font-size: clamp(48px, 6.5vw, 92px);
  font-weight: 500;
  line-height: 1.02;
}

.fu-hero__lead {
  max-width: 650px;
  margin: 0;
  color: rgba(238, 241, 251, 0.78);
  font-size: clamp(17px, 1.35vw, 21px);
  line-height: 1.72;
}

.fu-hero__actions,
.fu-end-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px 20px;
}

.fu-hero__actions {
  margin-top: 30px;
}

.fu-button {
  display: inline-flex;
  min-height: 46px;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 0 22px;
  border: 1px solid transparent;
  border-radius: var(--fu-radius);
  font-size: 14px;
  font-weight: 700;
  white-space: nowrap;
  transition: transform 180ms ease, background-color 180ms ease, border-color 180ms ease, color 180ms ease;
}

.fu-button:active {
  transform: translateY(1px);
}

.fu-button--primary {
  background: var(--fu-accent-strong);
  color: var(--fu-night);
}

.fu-button--primary:hover {
  background: var(--fu-ink);
}

.fu-button--ghost {
  border-color: rgba(238, 241, 251, 0.32);
  background: rgba(9, 13, 29, 0.48);
  color: var(--fu-ink);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.fu-button--ghost:hover {
  border-color: var(--fu-accent);
  background: rgba(18, 26, 48, 0.82);
}

.fu-facts {
  border-top: 1px solid var(--fu-line-soft);
  border-bottom: 1px solid var(--fu-line-soft);
  background: var(--fu-deep);
}

.fu-facts__grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  padding-block: 32px;
}

.fu-facts__grid div {
  min-width: 0;
  padding: 0 28px;
  border-left: 1px solid var(--fu-line-soft);
}

.fu-facts__grid div:first-child {
  padding-left: 0;
  border-left: 0;
}

.fu-facts__grid span {
  display: block;
  margin-bottom: 8px;
  color: var(--fu-dim);
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
}

.fu-facts__grid strong {
  display: block;
  color: var(--fu-ink);
  font-size: 15px;
  font-weight: 500;
  line-height: 1.45;
}

.fu-section {
  position: relative;
  padding-block: clamp(88px, 11vw, 160px);
  border-bottom: 1px solid var(--fu-line-soft);
}

.fu-section-heading {
  max-width: 880px;
  margin-bottom: clamp(50px, 7vw, 92px);
}

.fu-section-heading .fu-eyebrow {
  margin-bottom: 18px;
}

.fu-section-heading h2,
.fu-starmap__copy h2,
.fu-data__statement h2 {
  margin: 0;
  color: var(--fu-ink);
  font-family: var(--font-body);
  font-size: clamp(38px, 5vw, 72px);
  font-weight: 500;
  line-height: 1.08;
}

.fu-section-heading > p:not(.fu-eyebrow),
.fu-starmap__copy > p,
.fu-data__statement > p {
  max-width: 760px;
  margin: 22px 0 0;
  color: var(--fu-muted);
  font-size: clamp(17px, 1.35vw, 21px);
  line-height: 1.8;
}

.fu-thesis {
  background: var(--fu-night);
}

.fu-problem-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  gap: 1px;
  background: var(--fu-line-soft);
  border: 1px solid var(--fu-line-soft);
  border-radius: var(--fu-radius);
  overflow: hidden;
}

.fu-problem-grid article,
.fu-thesis-statement {
  background: var(--fu-deep);
}

.fu-problem-grid article {
  min-height: 270px;
  padding: clamp(28px, 4vw, 54px);
}

.fu-problem-grid article span,
.fu-decision-list span {
  color: var(--fu-accent);
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
}

.fu-problem-grid h3,
.fu-inputs__grid h3,
.fu-decision-list h3,
.fu-data__details h3,
.fu-delivery__grid h3 {
  margin: 18px 0 12px;
  color: var(--fu-ink);
  font-size: clamp(22px, 2vw, 30px);
  font-weight: 500;
  line-height: 1.25;
}

.fu-problem-grid article p,
.fu-inputs__grid p,
.fu-decision-list > article > p,
.fu-data__details p,
.fu-delivery__grid p {
  margin: 0;
  color: var(--fu-muted);
  font-size: 16px;
  line-height: 1.75;
}

.fu-thesis-statement {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: 0.75fr 1.25fr;
  gap: 42px;
  align-items: end;
  padding: clamp(36px, 5vw, 68px);
}

.fu-thesis-statement p {
  margin: 0;
  color: var(--fu-muted);
  font-size: 17px;
  line-height: 1.7;
}

.fu-thesis-statement strong {
  color: var(--fu-accent-strong);
  font-size: clamp(30px, 4vw, 58px);
  font-weight: 500;
  line-height: 1.15;
}

.fu-loop {
  background: var(--fu-deep);
}

.fu-loop__steps {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  margin: 0 0 clamp(56px, 8vw, 96px);
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--fu-line);
}

.fu-loop__steps li {
  position: relative;
  min-width: 0;
  padding: 30px 28px 0 0;
}

.fu-loop__steps li::before {
  content: "";
  position: absolute;
  top: -4px;
  left: 0;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--fu-accent);
  transform: scale(0.55);
  transition: transform 500ms cubic-bezier(0.16, 1, 0.3, 1), background-color 500ms ease;
}

.fu-loop__steps.is-active li::before {
  transform: scale(1);
  background: var(--fu-accent-strong);
}

.fu-loop__steps li:nth-child(2)::before { transition-delay: 90ms; }
.fu-loop__steps li:nth-child(3)::before { transition-delay: 180ms; }
.fu-loop__steps li:nth-child(4)::before { transition-delay: 270ms; }
.fu-loop__steps li:nth-child(5)::before { transition-delay: 360ms; }

.fu-loop__steps span {
  display: block;
  color: var(--fu-ink);
  font-size: 17px;
  font-weight: 600;
}

.fu-loop__steps p {
  margin: 12px 0 0;
  color: var(--fu-muted);
  font-size: 14px;
  line-height: 1.7;
}

.fu-media {
  margin: 0;
}

.fu-media img {
  display: block;
  width: 100%;
  height: auto;
  border: 1px solid var(--fu-line-soft);
  border-radius: var(--fu-radius);
  background: var(--fu-night);
}

.fu-media figcaption {
  max-width: 760px;
  margin-top: 18px;
  color: var(--fu-dim);
  font-size: 14px;
  line-height: 1.7;
}

.fu-media--capture {
  width: min(100%, 1180px);
  margin-inline: auto;
}

.fu-starmap {
  background: var(--fu-night);
}

.fu-starmap__layout {
  display: grid;
  grid-template-columns: minmax(300px, 0.72fr) minmax(0, 1.28fr);
  gap: clamp(44px, 7vw, 110px);
  align-items: center;
}

.fu-starmap__copy {
  position: sticky;
  top: 120px;
  align-self: start;
}

.fu-starmap__copy h2 {
  font-size: clamp(38px, 4.6vw, 66px);
}

.fu-principles {
  margin: 46px 0 0;
}

.fu-principles div {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 22px;
  padding: 18px 0;
  border-bottom: 1px solid var(--fu-line-soft);
}

.fu-principles dt {
  color: var(--fu-ink);
  font-size: 14px;
  font-weight: 600;
}

.fu-principles dd {
  margin: 0;
  color: var(--fu-muted);
  font-size: 14px;
  line-height: 1.55;
}

.fu-media--memory img {
  min-height: 620px;
  object-fit: cover;
  object-position: center;
}

.fu-inputs {
  background: var(--fu-deep);
}

.fu-inputs__grid {
  display: grid;
  grid-template-columns: 1fr 1.08fr 0.92fr;
  gap: 1px;
  margin-bottom: clamp(52px, 7vw, 86px);
  background: var(--fu-line-soft);
  border: 1px solid var(--fu-line-soft);
  border-radius: var(--fu-radius);
  overflow: hidden;
}

.fu-inputs__grid article {
  min-height: 240px;
  padding: clamp(26px, 3vw, 42px);
  background: var(--fu-surface);
}

.fu-inputs__grid article:nth-child(2) {
  background: var(--fu-surface-soft);
}

.fu-inputs__grid h3 {
  margin-top: 0;
}

.fu-media--processing {
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) minmax(260px, 0.6fr);
  gap: clamp(26px, 4vw, 58px);
  align-items: end;
}

.fu-media--processing img {
  aspect-ratio: 16 / 10;
  object-fit: cover;
  object-position: center;
}

.fu-media--processing figcaption {
  margin: 0 0 8px;
  color: var(--fu-ink);
  font-size: clamp(18px, 2vw, 26px);
  line-height: 1.55;
}

.fu-decisions {
  background: var(--fu-night);
}

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

.fu-decision-list article {
  display: grid;
  grid-template-columns: minmax(300px, 0.85fr) minmax(0, 1.15fr);
  gap: clamp(36px, 7vw, 120px);
  padding: 38px 0;
  border-bottom: 1px solid var(--fu-line-soft);
}

.fu-decision-list h3 {
  margin-bottom: 0;
}

.fu-decision-list > article > p {
  align-self: center;
  max-width: 660px;
}

.fu-data {
  background: var(--fu-deep);
}

.fu-data__layout {
  display: grid;
  grid-template-columns: minmax(280px, 0.75fr) minmax(0, 1.25fr);
  gap: clamp(50px, 8vw, 132px);
}

.fu-data__statement h2 {
  max-width: 540px;
}

.fu-data__details {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: var(--fu-line-soft);
  border: 1px solid var(--fu-line-soft);
  border-radius: var(--fu-radius);
  overflow: hidden;
}

.fu-data__details article {
  min-height: 220px;
  padding: clamp(24px, 3vw, 40px);
  background: var(--fu-surface);
}

.fu-data__details article:nth-child(2),
.fu-data__details article:nth-child(3) {
  background: var(--fu-surface-soft);
}

.fu-data__details h3 {
  margin-top: 0;
}

.fu-delivery {
  background: var(--fu-night);
}

.fu-delivery__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 1px;
  background: var(--fu-line-soft);
  border: 1px solid var(--fu-line-soft);
  border-radius: var(--fu-radius);
  overflow: hidden;
}

.fu-delivery__role,
.fu-delivery__system {
  padding: clamp(30px, 5vw, 66px);
  background: var(--fu-deep);
}

.fu-delivery__system {
  background: var(--fu-surface);
}

.fu-delivery__grid h3 {
  margin-top: 0;
}

.fu-delivery__role ul {
  display: grid;
  gap: 0;
  margin: 28px 0 0;
  padding: 0;
  list-style: none;
}

.fu-delivery__role li {
  padding: 14px 0;
  border-bottom: 1px solid var(--fu-line-soft);
  color: var(--fu-muted);
  font-size: 15px;
  line-height: 1.55;
}

.fu-delivery__system p + p {
  margin-top: 18px;
}

.fu-stack {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 32px;
}

.fu-stack span {
  padding: 8px 11px;
  border: 1px solid var(--fu-line);
  border-radius: var(--fu-radius);
  color: var(--fu-accent-strong);
  font-size: 12px;
  font-weight: 600;
}

.fu-delivery blockquote {
  max-width: 1120px;
  margin: clamp(70px, 9vw, 128px) 0 0;
  padding: 0;
}

.fu-delivery blockquote p {
  margin: 0;
  color: var(--fu-ink);
  font-size: clamp(32px, 4.8vw, 68px);
  font-weight: 400;
  line-height: 1.18;
}

.fu-end-actions {
  margin-top: 46px;
}

.fu-end-actions .fu-text-link {
  min-height: 46px;
}

.fragment-universe-page .contact-footer {
  background: var(--fu-deep);
}

.fragment-universe-page .contact-card,
.fragment-universe-page .footer-links {
  min-width: 0;
}

.fragment-universe-page .contact-card h2 {
  max-width: 580px;
  font-size: 42px;
  line-height: 1.2;
  white-space: normal;
}

.fragment-universe-page .footer-links a:hover {
  color: var(--fu-accent-strong);
}

.fragment-universe-page :focus-visible {
  outline: 2px solid var(--fu-accent-strong);
  outline-offset: 4px;
}

[data-reveal] {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 800ms cubic-bezier(0.16, 1, 0.3, 1), transform 800ms cubic-bezier(0.16, 1, 0.3, 1);
}

[data-reveal].is-visible {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 1100px) {
  .fu-facts__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 28px 0;
  }

  .fu-facts__grid div:nth-child(3) {
    padding-left: 0;
    border-left: 0;
  }

  .fu-loop__steps {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 28px 0;
    border-top: 0;
  }

  .fu-loop__steps li {
    border-top: 1px solid var(--fu-line);
  }

  .fu-starmap__layout {
    grid-template-columns: 1fr;
  }

  .fu-starmap__copy {
    position: static;
  }

  .fu-media--memory img {
    min-height: 0;
  }

  .fu-media--processing {
    grid-template-columns: 1fr;
  }

  .fu-media--processing figcaption {
    max-width: 760px;
  }
}

@media (max-width: 820px) {
  .fragment-universe-page nav {
    padding: 18px 24px;
  }

  .fu-hero {
    align-items: flex-end;
    min-height: 820px;
  }

  .fu-hero__media img {
    object-position: 58% center;
  }

  .fu-hero__shade {
    background:
      linear-gradient(0deg, rgba(5, 8, 23, 0.99) 0%, rgba(5, 8, 23, 0.76) 48%, rgba(5, 8, 23, 0.28) 100%),
      linear-gradient(90deg, rgba(5, 8, 23, 0.8), rgba(5, 8, 23, 0.12));
  }

  .fu-hero__content {
    padding-top: 112px;
    padding-bottom: 42px;
  }

  .fu-hero h1 {
    font-size: clamp(42px, 11vw, 68px);
  }

  .fu-facts__grid div {
    padding: 0 20px;
  }

  .fu-problem-grid,
  .fu-thesis-statement,
  .fu-inputs__grid,
  .fu-data__layout,
  .fu-data__details,
  .fu-delivery__grid {
    grid-template-columns: 1fr;
  }

  .fu-thesis-statement {
    gap: 26px;
  }

  .fu-loop__steps {
    grid-template-columns: 1fr 1fr;
  }

  .fu-inputs__grid article,
  .fu-data__details article {
    min-height: 0;
  }

  .fu-data__layout {
    gap: 52px;
  }

  .fu-decision-list article {
    grid-template-columns: 1fr;
    gap: 18px;
  }
}

@media (max-width: 560px) {
  .fu-shell {
    padding-inline: 18px;
  }

  .fu-hero {
    min-height: 760px;
  }

  .fu-back-link {
    margin-bottom: 34px;
  }

  .fu-hero h1 {
    font-size: clamp(38px, 11.5vw, 56px);
  }

  .fu-hero__actions,
  .fu-end-actions {
    align-items: stretch;
  }

  .fu-hero__actions .fu-button,
  .fu-end-actions .fu-button {
    width: 100%;
  }

  .fu-facts__grid {
    grid-template-columns: 1fr;
    gap: 0;
  }

  .fu-facts__grid div,
  .fu-facts__grid div:nth-child(3) {
    padding: 20px 0;
    border-top: 1px solid var(--fu-line-soft);
    border-left: 0;
  }

  .fu-facts__grid div:first-child {
    border-top: 0;
  }

  .fu-section {
    padding-block: 76px;
  }

  .fu-section-heading {
    margin-bottom: 46px;
  }

  .fu-section-heading h2,
  .fu-starmap__copy h2,
  .fu-data__statement h2 {
    font-size: clamp(34px, 10vw, 48px);
  }

  .fu-problem-grid article,
  .fu-thesis-statement,
  .fu-delivery__role,
  .fu-delivery__system {
    padding: 28px 22px;
  }

  .fu-loop__steps {
    grid-template-columns: 1fr;
    margin-bottom: 48px;
  }

  .fu-loop__steps li {
    padding: 24px 0 24px;
  }

  .fu-principles div {
    grid-template-columns: 1fr;
    gap: 6px;
  }

  .fu-media--processing img {
    aspect-ratio: 1 / 1;
  }

  .fu-delivery blockquote {
    margin-top: 72px;
  }

  .fu-delivery blockquote p {
    font-size: clamp(30px, 9.5vw, 46px);
  }
}

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

  .fu-hero__media img,
  [data-reveal],
  .fu-loop__steps li::before,
  .fu-button {
    transform: none;
    transition: none;
  }

  [data-reveal] {
    opacity: 1;
  }
}

@media (prefers-reduced-transparency: reduce) {
  .fragment-universe-page nav,
  .fu-button--ghost {
    background: var(--fu-deep);
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
  }
}
