:root {
  color-scheme: dark;
  --black: #030507;
  --near-black: #070a0d;
  --panel: #101418;
  --panel-light: #171d22;
  --line: #2b333b;
  --text: #f4f7f8;
  --muted: #aeb8bf;
  --cyan: #13c9f2;
  --gold: #f3b316;
  --green: #9be22d;
  --white: #ffffff;
  --max: 1180px;
  --header: 74px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--black);
  color: var(--text);
  font-family:
    Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
    sans-serif;
  line-height: 1.5;
  letter-spacing: 0;
}

body.nav-open,
body.lightbox-open {
  overflow: hidden;
}

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

a {
  color: inherit;
}

p {
  margin: 0;
}

.skip-link {
  position: absolute;
  left: 1rem;
  top: -100px;
  z-index: 1000;
  padding: 0.75rem 1rem;
  background: var(--cyan);
  color: #001016;
  border-radius: 6px;
}

.skip-link:focus {
  top: 1rem;
}

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: var(--header);
  padding: 0.65rem 2rem;
  background: rgba(3, 5, 7, 0.88);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  backdrop-filter: blur(18px);
}

.brand {
  display: inline-flex;
  align-items: center;
  min-width: 136px;
}

.brand img {
  width: 136px;
  height: auto;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 1.4rem;
  font-size: 0.9rem;
  color: var(--muted);
}

.site-nav a {
  text-decoration: none;
}

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

.nav-cta {
  padding: 0.65rem 0.9rem;
  border: 1px solid rgba(19, 201, 242, 0.6);
  border-radius: 6px;
  color: var(--white) !important;
}

.nav-toggle {
  display: none;
  width: 42px;
  height: 42px;
  padding: 0;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: transparent;
  color: var(--text);
}

.nav-toggle span:not(.sr-only) {
  display: block;
  width: 18px;
  height: 2px;
  margin: 4px auto;
  background: currentColor;
}

.hero {
  position: relative;
  min-height: 86vh;
  isolation: isolate;
  overflow: hidden;
}

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

.hero-media {
  z-index: -2;
  background-image: url("assets/images/hero-ultrablack-desktop.jpg");
  background-position: center right;
  background-size: cover;
  opacity: 0.9;
}

.hero-overlay {
  z-index: -1;
  background:
    linear-gradient(90deg, rgba(3, 5, 7, 0.98) 0%, rgba(3, 5, 7, 0.74) 46%, rgba(3, 5, 7, 0.32) 100%),
    linear-gradient(180deg, rgba(3, 5, 7, 0.14), rgba(3, 5, 7, 0.34));
}

.hero-content {
  width: min(var(--max), calc(100% - 3rem));
  min-height: 86vh;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: flex-start;
  padding: 4rem 0 5rem;
}

.eyebrow {
  margin-bottom: 0.9rem;
  color: var(--cyan);
  font-size: 0.78rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0;
}

h1,
h2,
h3 {
  margin: 0;
  line-height: 1.04;
  letter-spacing: 0;
}

h1 {
  max-width: 780px;
  font-size: 4.8rem;
  text-transform: uppercase;
}

h2 {
  max-width: 820px;
  font-size: 3rem;
}

h3 {
  font-size: 1.2rem;
}

.hero-copy {
  max-width: 650px;
  margin-top: 1.5rem;
  color: #d8e1e5;
  font-size: 1.24rem;
}

.hero-actions,
.contact-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 2rem;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 0.75rem 1rem;
  border-radius: 6px;
  font-weight: 800;
  text-decoration: none;
  transition: transform 160ms ease, border-color 160ms ease, background 160ms ease;
}

.button:hover,
.button:focus-visible {
  transform: translateY(-1px);
}

.button.primary {
  background: var(--cyan);
  color: #001016;
}

.button.secondary {
  border: 1px solid rgba(255, 255, 255, 0.22);
  color: var(--white);
  background: rgba(255, 255, 255, 0.06);
}

.signal-strip {
  background: #0b0e11;
  border-block: 1px solid rgba(255, 255, 255, 0.08);
}

.signal-grid {
  width: min(var(--max), calc(100% - 3rem));
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
}

.signal-grid div {
  min-height: 124px;
  padding: 1.4rem 1.2rem;
  border-right: 1px solid rgba(255, 255, 255, 0.08);
}

.signal-grid div:first-child {
  border-left: 1px solid rgba(255, 255, 255, 0.08);
}

.signal-grid strong {
  display: block;
  color: var(--gold);
  font-size: 1.75rem;
  line-height: 1;
}

.signal-grid span {
  display: block;
  margin-top: 0.55rem;
  color: var(--muted);
  font-size: 0.92rem;
}

.section {
  padding: 6rem 0;
}

.origin-section,
.platform-section,
.proof-section {
  background: var(--near-black);
}

.applications-section,
.team-section {
  background: #0d1114;
}

.demo-section {
  background: #07090b;
}

.contact-section {
  background: var(--panel);
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.section-inner {
  width: min(var(--max), calc(100% - 3rem));
  margin: 0 auto;
}

.split-layout,
.origin-layout,
.proof-layout,
.contact-layout {
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(320px, 1.08fr);
  gap: 3rem;
  align-items: center;
}

.origin-layout {
  grid-template-columns: minmax(320px, 1.05fr) minmax(0, 0.95fr);
  gap: 3.2rem;
}

.origin-visual {
  position: relative;
  min-height: 560px;
  margin: 0;
  overflow: hidden;
  border-radius: 8px;
  background: #000;
  border: 1px solid rgba(255, 255, 255, 0.12);
}

.origin-visual img {
  width: 100%;
  height: 100%;
  min-height: 560px;
  object-fit: cover;
  object-position: 54% center;
  filter: saturate(0.86) contrast(1.08) brightness(0.82);
  animation: fishLabReveal 7.5s ease-in-out infinite;
}

.origin-visual::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, rgba(0, 0, 0, 0) 45%, rgba(0, 0, 0, 0.86) 100%),
    linear-gradient(90deg, rgba(0, 0, 0, 0.26), rgba(0, 0, 0, 0));
  pointer-events: none;
}

.invisibility-veil {
  position: absolute;
  inset: 0;
  z-index: 1;
  background:
    radial-gradient(circle at 68% 50%, rgba(0, 0, 0, 0.22), rgba(0, 0, 0, 0.78) 28%, rgba(0, 0, 0, 0.96) 64%),
    linear-gradient(90deg, rgba(0, 0, 0, 0.98), rgba(0, 0, 0, 0.6) 48%, rgba(0, 0, 0, 0.9));
  opacity: 0.72;
  mix-blend-mode: multiply;
  pointer-events: none;
  animation: invisibilityCycle 7.5s ease-in-out infinite;
}

.origin-visual figcaption {
  position: absolute;
  left: 1rem;
  right: 1rem;
  bottom: 1rem;
  z-index: 1;
  color: #cbd4da;
  font-size: 0.82rem;
}

.camera-overlay {
  position: absolute;
  inset: 0;
  z-index: 2;
  pointer-events: none;
}

.camera-frame {
  position: absolute;
  left: 9%;
  top: 13%;
  width: 58%;
  height: 54%;
  border: 1px solid rgba(19, 201, 242, 0.42);
  border-radius: 8px;
  opacity: 0.68;
  box-shadow:
    inset 0 0 30px rgba(19, 201, 242, 0.08),
    0 0 30px rgba(19, 201, 242, 0.12);
  animation: cameraHunt 6s ease-in-out infinite;
}

.camera-frame::before,
.camera-frame::after {
  content: "";
  position: absolute;
  width: 32px;
  height: 32px;
  border-color: rgba(243, 179, 22, 0.76);
}

.camera-frame::before {
  left: -1px;
  top: -1px;
  border-left: 3px solid;
  border-top: 3px solid;
}

.camera-frame::after {
  right: -1px;
  bottom: -1px;
  border-right: 3px solid;
  border-bottom: 3px solid;
}

.camera-flash {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 35% 36%, rgba(255, 255, 255, 0.46), transparent 20%),
    linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.16), transparent);
  mix-blend-mode: screen;
  opacity: 0;
  animation: cameraFlash 6s ease-in-out infinite;
}

.camera-scan {
  position: absolute;
  left: 8%;
  top: 18%;
  width: 62%;
  height: 2px;
  border-radius: 999px;
  background: linear-gradient(90deg, transparent, rgba(19, 201, 242, 0.95), transparent);
  box-shadow: 0 0 16px rgba(19, 201, 242, 0.55);
  opacity: 0;
  animation: cameraScan 6s ease-in-out infinite;
}

.return-signal-dot {
  position: absolute;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 16px rgba(19, 201, 242, 0.9);
  opacity: 0;
  animation: signalVanish 6s ease-in-out infinite;
}

.dot-1 {
  left: 61%;
  top: 38%;
}

.dot-2 {
  left: 54%;
  top: 48%;
  animation-delay: 0.28s;
}

.dot-3 {
  left: 43%;
  top: 55%;
  animation-delay: 0.56s;
}

.origin-copy {
  padding-block: 1rem;
}

.origin-points {
  display: grid;
  gap: 0.8rem;
  margin-top: 1.8rem;
}

.origin-points div {
  padding: 1rem;
  border-left: 3px solid var(--cyan);
  background: rgba(255, 255, 255, 0.045);
  border-radius: 0 8px 8px 0;
}

.origin-points strong {
  display: block;
  color: var(--gold);
  font-size: 0.95rem;
}

.origin-points span {
  display: block;
  margin-top: 0.35rem;
  color: var(--muted);
}

@keyframes cameraHunt {
  0%,
  100% {
    translate: 0 0;
    opacity: 0.5;
  }
  24% {
    translate: 4% 2%;
    opacity: 0.72;
  }
  52% {
    translate: 16% 8%;
    opacity: 0.92;
  }
  76% {
    translate: 13% 4%;
    opacity: 0.64;
  }
}

@keyframes cameraFlash {
  0%,
  18%,
  100% {
    opacity: 0;
  }
  23% {
    opacity: 0.9;
  }
  32% {
    opacity: 0.05;
  }
}

@keyframes fishLabReveal {
  0%,
  16%,
  78%,
  100% {
    filter: saturate(0.72) contrast(1.16) brightness(0.34);
  }
  25% {
    filter: saturate(0.86) contrast(1.24) brightness(0.58);
  }
  44% {
    filter: saturate(0.96) contrast(1.12) brightness(0.98);
  }
  60% {
    filter: saturate(0.9) contrast(1.18) brightness(0.68);
  }
}

@keyframes invisibilityCycle {
  0%,
  16%,
  78%,
  100% {
    opacity: 0.9;
  }
  25% {
    opacity: 0.72;
  }
  44% {
    opacity: 0.18;
  }
  60% {
    opacity: 0.58;
  }
}

@keyframes cameraScan {
  0%,
  20% {
    opacity: 0;
    translate: 0 0;
  }
  30% {
    opacity: 0.95;
  }
  68% {
    opacity: 0.34;
    translate: 0 245px;
  }
  78%,
  100% {
    opacity: 0;
    translate: 0 245px;
  }
}

@keyframes signalVanish {
  0%,
  32% {
    opacity: 0;
    scale: 1;
    translate: 0 0;
  }
  44% {
    opacity: 0.86;
  }
  64% {
    opacity: 0.08;
    scale: 0.52;
    translate: -22px -10px;
  }
  100% {
    opacity: 0;
    scale: 0.52;
    translate: -22px -10px;
  }
}

.section-copy p:not(.eyebrow),
.contact-layout p {
  max-width: 680px;
  margin-top: 1.2rem;
  color: var(--muted);
  font-size: 1.03rem;
}

.feature-list {
  display: grid;
  gap: 0.8rem;
  margin: 1.6rem 0 0;
  padding: 0;
  list-style: none;
}

.feature-list li {
  position: relative;
  padding-left: 1.2rem;
  color: #d7e0e5;
}

.feature-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.68rem;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--green);
}

.platform-story-layout,
.mission-story-layout {
  display: grid;
  gap: 2.3rem;
}

.platform-heading,
.mission-heading {
  max-width: 920px;
  margin-bottom: 0;
}

.platform-heading p:not(.eyebrow),
.mission-heading p:not(.eyebrow) {
  max-width: 850px;
  margin-top: 1.15rem;
  color: var(--muted);
  font-size: 1.06rem;
}

.platform-story-shell {
  display: grid;
  gap: 1.25rem;
}

.platform-story-header {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 1rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
}

.platform-story-header strong {
  display: block;
  color: var(--white);
  font-size: 1.1rem;
  line-height: 1.1;
}

.platform-story-header span {
  display: block;
  margin-top: 0.35rem;
  color: var(--muted);
}

.platform-full-open {
  min-height: 42px;
  padding: 0.65rem 0.85rem;
  border: 1px solid rgba(19, 201, 242, 0.52);
  border-radius: 6px;
  background: rgba(19, 201, 242, 0.08);
  color: var(--white);
  cursor: zoom-in;
  font: inherit;
  font-size: 0.82rem;
  font-weight: 850;
}

.platform-full-open:hover,
.platform-full-open:focus-visible {
  background: rgba(19, 201, 242, 0.16);
  outline: none;
}

.platform-scroll-story {
  display: grid;
  grid-template-columns: minmax(390px, 0.95fr) minmax(0, 1.05fr);
  gap: 2rem;
  align-items: start;
}

.platform-visual-sticky {
  position: sticky;
  top: calc(var(--header) + 1.35rem);
  display: grid;
  gap: 0.9rem;
}

.platform-visual-button,
.chapter-image-button {
  position: relative;
  display: grid;
  place-items: center;
  width: 100%;
  padding: 0;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 8px;
  background: #030507;
  color: var(--white);
  cursor: zoom-in;
}

.platform-visual-button {
  min-height: 560px;
  background:
    radial-gradient(circle at 50% 42%, rgba(19, 201, 242, 0.13), transparent 46%),
    #030507;
  box-shadow: 0 24px 90px rgba(0, 0, 0, 0.42);
}

.platform-visual-button img,
.chapter-image-button img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  transition: transform 180ms ease, opacity 180ms ease;
}

.platform-visual-button img {
  position: relative;
  z-index: 1;
  max-height: 560px;
}

.visual-step {
  position: absolute;
  left: 0.9rem;
  top: 0.9rem;
  z-index: 3;
  padding: 0.42rem 0.6rem;
  border: 1px solid rgba(243, 179, 22, 0.5);
  border-radius: 6px;
  background: rgba(3, 5, 7, 0.78);
  color: var(--gold);
  font-size: 0.78rem;
  font-weight: 900;
}

.visual-glow {
  position: absolute;
  inset: auto 12% 4% 12%;
  z-index: 0;
  height: 38%;
  background: radial-gradient(ellipse at center, rgba(19, 201, 242, 0.22), transparent 70%);
  filter: blur(10px);
  pointer-events: none;
}

.platform-visual-button.is-switching img {
  opacity: 0.28;
  transform: scale(0.985);
}

.chapter-image-button {
  display: none;
  aspect-ratio: 1 / 0.95;
  margin-bottom: 1rem;
}

.platform-visual-button .zoom-label,
.chapter-image-button .zoom-label,
.image-zoom-trigger .zoom-label {
  position: absolute;
  z-index: 5;
  right: 0.75rem;
  bottom: 0.75rem;
  padding: 0.45rem 0.65rem;
  border-radius: 6px;
  background: rgba(3, 5, 7, 0.86);
  border: 1px solid rgba(19, 201, 242, 0.55);
  color: var(--white);
  font-size: 0.78rem;
  font-weight: 800;
}

.platform-visual-button:hover img,
.platform-visual-button:focus-visible img,
.chapter-image-button:hover img,
.chapter-image-button:focus-visible img {
  transform: scale(1.018);
  opacity: 0.92;
}

.platform-visual-button:focus-visible,
.chapter-image-button:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: -2px;
}

.platform-visual-caption {
  display: grid;
  gap: 0.35rem;
  padding: 1rem 1.05rem;
  border-left: 2px solid var(--cyan);
  background: rgba(255, 255, 255, 0.04);
}

.platform-visual-caption strong {
  color: var(--white);
  font-size: 1rem;
}

.platform-visual-caption span {
  color: var(--muted);
  font-size: 0.9rem;
}

.platform-chapters {
  position: relative;
  display: grid;
  gap: 1rem;
}

.platform-chapter {
  position: relative;
  display: grid;
  min-height: 232px;
  padding: 1.35rem 1.35rem 1.35rem 2.15rem;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.035);
  opacity: 0.58;
  transition:
    border-color 180ms ease,
    background 180ms ease,
    opacity 180ms ease,
    transform 180ms ease;
}

.platform-chapter::before {
  content: "";
  position: absolute;
  left: 0.95rem;
  top: 1.5rem;
  bottom: 1.5rem;
  width: 2px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.12);
}

.platform-chapter::after {
  content: "";
  position: absolute;
  left: 0.66rem;
  top: 1.55rem;
  width: 12px;
  height: 12px;
  border: 2px solid rgba(255, 255, 255, 0.24);
  border-radius: 50%;
  background: var(--black);
}

.platform-chapter.is-active {
  border-color: rgba(19, 201, 242, 0.48);
  background:
    linear-gradient(135deg, rgba(19, 201, 242, 0.1), transparent 38%),
    rgba(255, 255, 255, 0.055);
  opacity: 1;
  transform: translateX(-6px);
}

.platform-chapter.is-active::before {
  background: linear-gradient(var(--cyan), var(--green));
}

.platform-chapter.is-active::after {
  border-color: var(--cyan);
  box-shadow: 0 0 18px rgba(19, 201, 242, 0.55);
}

.chapter-copy {
  display: grid;
  align-content: center;
  gap: 0.65rem;
}

.story-step {
  color: var(--gold);
  font-size: 0.78rem;
  font-weight: 900;
  letter-spacing: 0;
}

.chapter-copy h3 {
  margin: 0;
  color: var(--white);
  font-size: 1.28rem;
  line-height: 1.18;
}

.chapter-copy p {
  margin: 0;
  color: var(--muted);
  font-size: 0.98rem;
}

.platform-summary-strip {
  display: block;
  width: 100%;
  padding: 0;
  overflow: hidden;
  border: 1px solid rgba(19, 201, 242, 0.32);
  border-radius: 8px;
  background: #030507;
  cursor: zoom-in;
}

.platform-summary-strip img {
  width: 100%;
  min-height: 58px;
  object-fit: cover;
}

.mission-context-strip img {
  min-height: 86px;
}

.mission-summary-strip img {
  min-height: 64px;
}

.platform-summary-strip:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
}

.image-panel,
.wide-figure {
  margin: 0;
}

.image-panel {
  padding: 0.7rem;
  background: var(--panel);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 8px;
}

.image-zoom-trigger {
  position: relative;
  display: block;
  width: 100%;
  padding: 0;
  border: 0;
  border-radius: 6px;
  background: transparent;
  color: var(--white);
  cursor: zoom-in;
  overflow: hidden;
}

.surface-stage {
  position: relative;
  display: block;
  overflow: hidden;
  border-radius: 6px;
  isolation: isolate;
}

.image-zoom-trigger img {
  transition: transform 180ms ease, opacity 180ms ease;
}

.surface-sweep,
.photon-beam,
.absorption-pulse {
  position: absolute;
  display: block;
  pointer-events: none;
}

.surface-sweep {
  inset: 0;
  z-index: 2;
  background:
    linear-gradient(
      115deg,
      transparent 0%,
      transparent 38%,
      rgba(19, 201, 242, 0.18) 44%,
      rgba(255, 255, 255, 0.34) 48%,
      rgba(155, 226, 45, 0.16) 52%,
      transparent 60%,
      transparent 100%
    );
  mix-blend-mode: screen;
  opacity: 0;
  transform: translateX(-65%);
  animation: surfaceSweep 8s ease-in-out infinite;
}

.photon-beam {
  z-index: 3;
  left: -18%;
  width: 48%;
  height: 3px;
  border-radius: 999px;
  background: linear-gradient(90deg, transparent, var(--beam-color), transparent);
  box-shadow: 0 0 14px var(--beam-color);
  opacity: 0;
  transform-origin: right center;
  animation: photonTrace 4.8s ease-in-out infinite;
}

.beam-1 {
  --beam-color: rgba(19, 201, 242, 0.95);
  top: 29%;
  transform: rotate(21deg);
}

.beam-2 {
  --beam-color: rgba(243, 179, 22, 0.9);
  top: 36%;
  animation-delay: 0.85s;
  transform: rotate(18deg);
}

.beam-3 {
  --beam-color: rgba(155, 226, 45, 0.84);
  top: 43%;
  animation-delay: 1.6s;
  transform: rotate(15deg);
}

.absorption-pulse {
  z-index: 4;
  width: 62px;
  height: 62px;
  border: 2px solid rgba(19, 201, 242, 0.62);
  border-radius: 50%;
  opacity: 0;
  box-shadow: 0 0 24px rgba(19, 201, 242, 0.4);
  animation: absorptionPulse 4.5s ease-out infinite;
}

.pulse-1 {
  left: 61%;
  top: 18%;
}

.pulse-2 {
  left: 38%;
  top: 58%;
  width: 52px;
  height: 52px;
  border-color: rgba(155, 226, 45, 0.62);
  box-shadow: 0 0 22px rgba(155, 226, 45, 0.36);
  animation-delay: 1.8s;
}

.image-zoom-trigger:hover img,
.image-zoom-trigger:focus-visible img {
  transform: scale(1.018);
  opacity: 0.92;
}

.image-zoom-trigger:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
}

.image-panel img,
.wide-figure img {
  width: 100%;
  border-radius: 6px;
}

.image-panel figcaption {
  margin-top: 0.8rem;
  color: var(--muted);
  font-size: 0.86rem;
}

@keyframes surfaceSweep {
  0%,
  18% {
    opacity: 0;
    transform: translateX(-65%);
  }
  34%,
  48% {
    opacity: 1;
  }
  68% {
    opacity: 0;
    transform: translateX(65%);
  }
  100% {
    opacity: 0;
    transform: translateX(65%);
  }
}

@keyframes photonTrace {
  0% {
    opacity: 0;
    translate: 0 0;
  }
  18% {
    opacity: 0.9;
  }
  52% {
    opacity: 0.75;
  }
  78% {
    opacity: 0;
    translate: 118% 0;
  }
  100% {
    opacity: 0;
    translate: 118% 0;
  }
}

@keyframes absorptionPulse {
  0%,
  42% {
    opacity: 0;
    scale: 0.55;
  }
  54% {
    opacity: 0.86;
  }
  78% {
    opacity: 0;
    scale: 1.35;
  }
  100% {
    opacity: 0;
    scale: 1.35;
  }
}

.section-heading {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  margin-bottom: 2.4rem;
}

.video-grid,
.team-grid {
  display: grid;
  gap: 1rem;
}

.mission-poster {
  margin: 0;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 8px;
  background: #030507;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.28);
}

.mission-poster img {
  width: 100%;
  border-radius: 8px;
}

.video-card,
.team-card,
.proof-card {
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 8px;
  background: var(--panel);
}

.card-index {
  display: inline-block;
  margin-bottom: 0.75rem;
  color: var(--gold);
  font-size: 0.82rem;
  font-weight: 800;
}

.video-card p,
.team-card p,
.proof-card p {
  margin-top: 0.85rem;
  color: var(--muted);
}

.mission-suite {
  display: grid;
  gap: 1.1rem;
}

.mission-panel,
.mission-statement-panel {
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 8px;
  background:
    linear-gradient(135deg, rgba(19, 201, 242, 0.06), transparent 34%),
    var(--panel);
}

.mission-panel {
  padding: 1.35rem;
}

.panel-title-row {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1rem;
}

.panel-title-row h3 {
  max-width: 620px;
  text-align: right;
  font-size: 1.25rem;
  color: #edf5f8;
}

.panel-kicker {
  color: var(--cyan);
  font-size: 0.78rem;
  font-weight: 900;
  text-transform: uppercase;
}

.panel-kicker.gold {
  color: var(--gold);
}

.panel-kicker.green {
  color: var(--green);
}

.capability-list {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0.85rem;
}

.capability-list article {
  display: grid;
  grid-template-columns: 52px 1fr;
  gap: 0.85rem;
  align-items: start;
  min-height: 178px;
  padding: 1rem;
  border: 1px solid rgba(19, 201, 242, 0.18);
  border-radius: 8px;
  background: rgba(0, 0, 0, 0.22);
}

.capability-list h4,
.remade-mission-card h4,
.future-card h4 {
  margin: 0;
  color: var(--white);
  font-size: 1rem;
  line-height: 1.15;
  text-transform: uppercase;
}

.capability-list p,
.remade-mission-card p,
.future-card p,
.mission-statement-panel p {
  margin: 0.65rem 0 0;
  color: var(--muted);
  font-size: 0.92rem;
}

.capability-icon,
.future-icon,
.statement-mark {
  position: relative;
  display: inline-block;
  flex: 0 0 auto;
  width: 48px;
  height: 48px;
  border: 2px solid currentColor;
  border-radius: 50%;
}

.capability-icon {
  color: var(--cyan);
}

.capability-icon::before,
.capability-icon::after,
.future-icon::before,
.future-icon::after,
.statement-mark::before,
.statement-mark::after {
  content: "";
  position: absolute;
  display: block;
}

.capability-icon-air::before {
  width: 24px;
  height: 9px;
  left: 10px;
  top: 18px;
  background: currentColor;
  clip-path: polygon(0 55%, 100% 0, 70% 55%, 100% 100%);
  transform: rotate(-25deg);
}

.capability-icon-signal::before {
  inset: 12px;
  border-left: 2px solid currentColor;
  border-bottom: 2px solid currentColor;
  transform: rotate(-35deg);
}

.capability-icon-signal::after {
  width: 18px;
  height: 18px;
  right: 9px;
  top: 9px;
  border-top: 2px solid currentColor;
  border-right: 2px solid currentColor;
  border-radius: 0 14px 0 0;
}

.capability-icon-optic::before {
  inset: 12px;
  border: 2px solid currentColor;
  border-radius: 50%;
}

.capability-icon-optic::after {
  width: 30px;
  height: 2px;
  left: 7px;
  top: 22px;
  background: currentColor;
  transform: rotate(-35deg);
}

.capability-icon-measure::before {
  left: 10px;
  right: 10px;
  top: 17px;
  height: 13px;
  border: 2px solid currentColor;
}

.capability-icon-measure::after {
  left: 16px;
  top: 14px;
  width: 2px;
  height: 19px;
  background: currentColor;
  box-shadow: 7px 0 0 currentColor, 14px 0 0 currentColor;
}

.remade-mission-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 0.85rem;
}

.remade-mission-card,
.future-card {
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 8px;
  background: rgba(3, 5, 7, 0.62);
}

.remade-mission-card {
  min-height: 348px;
  padding: 0.85rem;
}

.mission-visual {
  position: relative;
  height: 138px;
  margin: -0.85rem -0.85rem 1rem;
  overflow: hidden;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.13), transparent 42%),
    linear-gradient(135deg, #18262d, #050708);
}

.mission-visual::before,
.mission-visual::after {
  content: "";
  position: absolute;
  display: block;
}

.visual-low-observable {
  background:
    linear-gradient(160deg, rgba(243, 179, 22, 0.42), transparent 36%),
    linear-gradient(180deg, #3a2c23 0%, #131a20 45%, #030507 100%);
}

.visual-low-observable::before {
  width: 86px;
  height: 42px;
  left: 48%;
  top: 44%;
  background: #0a1118;
  clip-path: polygon(0 64%, 44% 20%, 100% 58%, 55% 56%, 43% 82%);
  transform: translate(-50%, -50%);
  box-shadow: 0 0 26px rgba(19, 201, 242, 0.12);
}

.visual-sensors {
  background:
    radial-gradient(circle at 47% 48%, rgba(255, 255, 255, 0.18) 0 11%, transparent 12%),
    radial-gradient(circle at 36% 45%, rgba(19, 201, 242, 0.24) 0 8%, transparent 9%),
    radial-gradient(circle at 62% 45%, rgba(243, 179, 22, 0.22) 0 8%, transparent 9%),
    linear-gradient(135deg, #1a1e22, #050607);
}

.visual-sensors::before {
  inset: 25px 36px 34px;
  border: 2px solid rgba(255, 255, 255, 0.24);
  border-radius: 50%;
}

.visual-space {
  background:
    radial-gradient(circle at 88% 40%, rgba(78, 150, 255, 0.52), transparent 26%),
    linear-gradient(145deg, #05070b 0%, #0c1629 55%, #182f4c 100%);
}

.visual-space::before {
  width: 78px;
  height: 40px;
  left: 38%;
  top: 42%;
  border: 2px solid rgba(255, 255, 255, 0.75);
  transform: rotate(-28deg);
}

.visual-space::after {
  width: 128px;
  height: 2px;
  left: 23%;
  top: 51%;
  background: rgba(255, 255, 255, 0.8);
  transform: rotate(-28deg);
}

.visual-autonomy {
  background:
    linear-gradient(180deg, #627178 0%, #182129 46%, #030507 100%),
    linear-gradient(135deg, rgba(243, 179, 22, 0.2), transparent);
}

.visual-autonomy::before {
  width: 72px;
  height: 18px;
  left: 50%;
  top: 46%;
  background: #05080c;
  transform: translate(-50%, -50%);
  box-shadow:
    -42px 2px 0 -5px #05080c,
    42px 2px 0 -5px #05080c,
    0 20px 20px rgba(0, 0, 0, 0.65);
}

.visual-precision {
  background:
    radial-gradient(circle at 68% 40%, rgba(243, 179, 22, 0.42), transparent 11%),
    linear-gradient(135deg, #17120d, #08090b 52%, #121821);
}

.visual-precision::before {
  width: 70px;
  height: 70px;
  left: 50%;
  top: 48%;
  border: 2px solid rgba(255, 255, 255, 0.28);
  border-radius: 50%;
  transform: translate(-50%, -50%);
}

.visual-precision::after {
  width: 116px;
  height: 2px;
  left: 50%;
  top: 48%;
  background: rgba(243, 179, 22, 0.72);
  transform: translate(-50%, -50%);
}

.future-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.85rem;
}

.future-card {
  min-height: 202px;
  padding: 1.05rem;
}

.future-icon {
  width: 52px;
  height: 52px;
  margin-bottom: 1rem;
  color: var(--green);
}

.future-thermal::before {
  width: 3px;
  height: 26px;
  left: 16px;
  top: 11px;
  background: currentColor;
  border-radius: 4px;
  box-shadow: 8px 0 0 currentColor, 16px 0 0 currentColor;
}

.future-cooling::before {
  left: 25px;
  top: 9px;
  width: 2px;
  height: 32px;
  background: currentColor;
}

.future-cooling::after {
  left: 9px;
  top: 25px;
  width: 32px;
  height: 2px;
  background: currentColor;
  transform: rotate(45deg);
}

.future-signature::before {
  inset: 13px;
  border: 2px solid currentColor;
  clip-path: polygon(50% 0, 100% 24%, 86% 100%, 14% 100%, 0 24%);
}

.mission-statement-panel {
  display: grid;
  grid-template-columns: 52px 1fr;
  gap: 1rem;
  align-items: center;
  padding: 1rem 1.15rem;
}

.statement-mark {
  color: var(--cyan);
}

.statement-mark::before {
  inset: 14px;
  border: 2px solid currentColor;
  border-radius: 50%;
}

.statement-mark::after {
  left: 23px;
  top: 8px;
  width: 2px;
  height: 32px;
  background: currentColor;
  box-shadow: -15px 15px 0 -1px currentColor, 15px 15px 0 -1px currentColor;
}

.mission-statement-panel p {
  margin: 0;
  color: #dbe4e8;
  font-size: 1.08rem;
}

.mission-statement-panel strong {
  color: var(--cyan);
}

.wide-figure {
  margin-top: 1.4rem;
  background: var(--black);
  border-radius: 8px;
  overflow: hidden;
}

.metric-list {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.75rem;
  margin-top: 1.7rem;
}

.metric-list div {
  min-height: 132px;
  padding: 1rem;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.04);
}

.metric-list strong {
  display: block;
  color: var(--green);
  font-size: 1.4rem;
}

.metric-list span {
  display: block;
  margin-top: 0.5rem;
  color: var(--muted);
  font-size: 0.88rem;
}

.text-link {
  display: inline-flex;
  margin-top: 1.5rem;
  color: var(--cyan);
  font-weight: 800;
  text-decoration: none;
}

.text-link-secondary {
  margin-left: 1rem;
  color: var(--green);
}

.text-link:hover,
.text-link:focus-visible {
  text-decoration: underline;
}

.faq-section,
.page-section {
  background: #080b0e;
}

.faq-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
}

.faq-list article,
.content-card,
.related-card {
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 8px;
  background:
    linear-gradient(135deg, rgba(19, 201, 242, 0.06), transparent 34%),
    var(--panel);
}

.faq-list article,
.content-card,
.related-card {
  padding: 1.25rem;
}

.faq-list h3,
.content-card h3,
.related-card h3 {
  color: var(--white);
}

.faq-list p,
.content-card p,
.related-card p {
  margin-top: 0.75rem;
  color: var(--muted);
}

.page-hero {
  position: relative;
  min-height: 56vh;
  display: grid;
  align-items: end;
  isolation: isolate;
  overflow: hidden;
  background: #030507;
}

.page-hero::before,
.page-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
}

.page-hero::before {
  background:
    linear-gradient(90deg, rgba(3, 5, 7, 0.96), rgba(3, 5, 7, 0.7), rgba(3, 5, 7, 0.34)),
    var(--page-hero-image, url("assets/images/hero-ultrablack-desktop.jpg")) center / cover;
}

.page-hero::after {
  background: linear-gradient(180deg, rgba(3, 5, 7, 0.2), rgba(3, 5, 7, 0.86));
}

.page-hero-content {
  width: min(var(--max), calc(100% - 3rem));
  margin: 0 auto;
  padding: 7rem 0 4.25rem;
}

.breadcrumb {
  display: inline-flex;
  margin-bottom: 1rem;
  color: var(--muted);
  font-size: 0.88rem;
  text-decoration: none;
}

.breadcrumb:hover,
.breadcrumb:focus-visible {
  color: var(--white);
}

.page-hero h1 {
  max-width: 900px;
  font-size: 4rem;
}

.page-intro {
  max-width: 760px;
  margin-top: 1.35rem;
  color: #d8e1e5;
  font-size: 1.18rem;
}

.article-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 320px;
  gap: 2rem;
  align-items: start;
}

.article-body {
  display: grid;
  gap: 2.2rem;
}

.article-body section {
  display: grid;
  gap: 0.85rem;
}

.article-body h2 {
  font-size: 2rem;
}

.article-body p,
.article-body li {
  color: var(--muted);
  font-size: 1.02rem;
}

.article-body ul {
  display: grid;
  gap: 0.55rem;
  margin: 0.45rem 0 0;
  padding-left: 1.2rem;
}

.article-aside {
  position: sticky;
  top: calc(var(--header) + 1rem);
  display: grid;
  gap: 1rem;
}

.article-aside img,
.content-card img {
  width: 100%;
  border-radius: 6px;
  background: #000;
}

.related-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
}

.related-card {
  display: block;
  color: inherit;
  text-decoration: none;
}

.related-card:hover,
.related-card:focus-visible {
  border-color: rgba(19, 201, 242, 0.5);
}

.content-card video {
  width: 100%;
  aspect-ratio: 9 / 16;
  object-fit: contain;
  border-radius: 6px;
  background: #000;
}

.page-cta {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 1.5rem;
  align-items: center;
  margin-top: 3rem;
  padding: 1.4rem;
  border: 1px solid rgba(19, 201, 242, 0.32);
  border-radius: 8px;
  background: rgba(19, 201, 242, 0.08);
}

.page-cta p {
  margin-top: 0.5rem;
  color: var(--muted);
}

.proof-card {
  overflow: hidden;
}

.proof-card img {
  width: 100%;
  height: 330px;
  object-fit: cover;
  background: #111;
}

.proof-card div {
  padding: 1.3rem;
}

.video-grid {
  grid-template-columns: repeat(4, 1fr);
}

.video-card {
  overflow: hidden;
}

.video-card video {
  width: 100%;
  aspect-ratio: 9 / 16;
  object-fit: contain;
  background: #000;
}

.video-card h3 {
  min-height: 74px;
  padding: 1rem;
  font-size: 1rem;
}

.team-grid {
  grid-template-columns: repeat(3, 1fr);
}

.team-card {
  overflow: hidden;
}

.team-card img {
  width: 100%;
  height: 320px;
  object-fit: cover;
  object-position: center 20%;
  background: #111;
}

.team-card div {
  padding: 1.25rem;
}

.role {
  margin-top: 0.35rem !important;
  color: var(--cyan) !important;
  font-weight: 800;
}

.contact-layout {
  grid-template-columns: 1fr auto;
}

.contact-actions {
  justify-content: flex-end;
  margin-top: 0;
}

.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.4rem 2rem;
  color: var(--muted);
  background: var(--black);
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  font-size: 0.9rem;
}

.lightbox[hidden] {
  display: none;
}

.lightbox {
  position: fixed;
  inset: 0;
  z-index: 100;
  display: grid;
  place-items: center;
  padding: 1.5rem;
}

.lightbox-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.86);
  backdrop-filter: blur(8px);
}

.lightbox-dialog {
  position: relative;
  z-index: 1;
  width: min(1380px, 96vw);
  max-height: 92vh;
  padding: 2.8rem 0.85rem 0.85rem;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 8px;
  background: rgba(7, 10, 13, 0.96);
  box-shadow: 0 24px 80px rgba(0, 0, 0, 0.55);
  overflow: auto;
}

.lightbox-dialog:focus {
  outline: none;
}

.lightbox-close {
  position: absolute;
  top: 0.65rem;
  right: 0.65rem;
  min-height: 34px;
  padding: 0.45rem 0.7rem;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 6px;
  background: rgba(255, 255, 255, 0.08);
  color: var(--white);
  cursor: pointer;
  font: inherit;
  font-size: 0.82rem;
  font-weight: 800;
}

.lightbox-close:hover,
.lightbox-close:focus-visible {
  border-color: rgba(19, 201, 242, 0.7);
}

.lightbox-dialog img {
  width: 100%;
  max-height: calc(92vh - 4rem);
  object-fit: contain;
  border-radius: 6px;
  background: #000;
}

@media (max-width: 980px) {
  h1 {
    font-size: 3.7rem;
  }

  h2 {
    font-size: 2.4rem;
  }

  .split-layout,
  .origin-layout,
  .proof-layout,
  .contact-layout {
    grid-template-columns: 1fr;
  }

  .signal-grid,
  .capability-list,
  .remade-mission-grid,
  .video-grid,
  .team-grid,
  .future-grid,
  .metric-list,
  .faq-list,
  .related-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .article-layout {
    grid-template-columns: 1fr;
  }

  .article-aside {
    position: static;
  }

  .contact-actions {
    justify-content: flex-start;
  }

  .platform-scroll-story {
    grid-template-columns: 1fr;
  }

  .platform-visual-sticky {
    display: none;
  }

  .platform-chapters {
    gap: 1.2rem;
  }

  .platform-chapter {
    min-height: auto;
    padding: 1rem;
    opacity: 1;
  }

  .platform-chapter,
  .platform-chapter.is-active {
    transform: none;
  }

  .platform-chapter::before,
  .platform-chapter::after {
    display: none;
  }

  .chapter-image-button {
    display: grid;
  }

  .mission-chapter .chapter-image-button {
    aspect-ratio: 16 / 9;
  }
}

@media (max-width: 740px) {
  .site-header {
    padding: 0.65rem 1rem;
  }

  .brand img {
    width: 118px;
  }

  .nav-toggle {
    display: inline-block;
  }

  .site-nav {
    position: fixed;
    inset: var(--header) 0 auto 0;
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 1rem;
    background: rgba(3, 5, 7, 0.98);
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  }

  body.nav-open .site-nav {
    display: flex;
  }

  .site-nav a {
    padding: 1rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  }

  .nav-cta {
    margin-top: 0.8rem;
    text-align: center;
  }

  .hero {
    min-height: 88vh;
  }

  .hero-content {
    width: min(100% - 2rem, var(--max));
    min-height: 88vh;
    padding: 3rem 0 4rem;
  }

  .hero-media {
    background-image: url("assets/images/hero-ultrablack-mobile.jpg");
    background-position: center top;
  }

  .hero-overlay {
    background:
      linear-gradient(180deg, rgba(3, 5, 7, 0.52) 0%, rgba(3, 5, 7, 0.34) 48%, rgba(3, 5, 7, 0.78) 100%),
      linear-gradient(90deg, rgba(3, 5, 7, 0.84), rgba(3, 5, 7, 0.34));
  }

  h1 {
    font-size: 3rem;
  }

  h2 {
    font-size: 2rem;
  }

  .hero-copy {
    font-size: 1.06rem;
  }

  .section {
    padding: 4rem 0;
  }

  .origin-visual,
  .origin-visual img {
    min-height: 430px;
  }

  .section-inner,
  .signal-grid {
    width: min(100% - 2rem, var(--max));
  }

  .platform-story-header {
    align-items: flex-start;
    flex-direction: column;
  }

  .chapter-copy h3 {
    font-size: 1.13rem;
  }

  .signal-grid,
  .capability-list,
  .remade-mission-grid,
  .video-grid,
  .team-grid,
  .future-grid,
  .metric-list,
  .faq-list,
  .related-grid,
  .page-cta {
    grid-template-columns: 1fr;
  }

  .page-hero-content {
    width: min(100% - 2rem, var(--max));
    padding: 5.5rem 0 3.5rem;
  }

  .page-hero h1 {
    font-size: 2.65rem;
  }

  .page-intro {
    font-size: 1.04rem;
  }

  .article-body h2 {
    font-size: 1.65rem;
  }

  .page-cta .button {
    width: 100%;
  }

  .panel-title-row {
    align-items: flex-start;
    flex-direction: column;
  }

  .panel-title-row h3 {
    text-align: left;
  }

  .signal-grid div,
  .signal-grid div:first-child {
    min-height: auto;
    border-left: 0;
    border-right: 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  }

  .capability-list article,
  .remade-mission-card,
  .future-card {
    min-height: auto;
  }

  .mission-visual {
    height: 164px;
  }

  .mission-statement-panel {
    grid-template-columns: 1fr;
  }

  .team-card img {
    height: 270px;
  }

  .site-footer {
    flex-direction: column;
    padding: 1.2rem 1rem;
  }

  .lightbox {
    padding: 0.75rem;
  }

  .lightbox-dialog {
    width: 100%;
    max-height: 94vh;
  }

  .lightbox-dialog img {
    width: 760px;
    max-width: none;
  }

  .mission-poster {
    overflow-x: auto;
  }

  .mission-poster img {
    width: 920px;
    max-width: none;
  }
}

@media (max-width: 430px) {
  h1 {
    font-size: 2.35rem;
  }

  h2 {
    font-size: 1.7rem;
  }

  .hero-actions,
  .contact-actions {
    width: 100%;
  }

  .button {
    width: 100%;
  }
}

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

  .surface-sweep,
  .photon-beam,
  .absorption-pulse,
  .camera-frame,
  .camera-flash,
  .camera-scan,
  .return-signal-dot,
  .origin-visual img,
  .invisibility-veil {
    animation: none;
  }

  .origin-visual img {
    filter: saturate(0.86) contrast(1.08) brightness(0.82);
  }

  .invisibility-veil {
    opacity: 0.28;
  }

  .image-zoom-trigger img {
    transition: none;
  }

  .chapter-image-button img,
  .platform-visual-button img {
    transition: none;
  }
}