:root {
  color-scheme: dark;
  --bg: #03050b;
  --text: #f4f6fb;
  --muted: rgba(224, 230, 244, 0.56);
  --faint: rgba(230, 235, 247, 0.48);
  --microcopy: rgba(232, 237, 249, 0.62);
  --line: rgba(218, 228, 255, 0.13);
  --accent: #8ea9ff;
  --accent-soft: #b8c7ff;
  --panel-x: clamp(1.25rem, 4vw, 4.5rem);
  --header-height: 5rem;
  font-family: Inter, "SF Pro Display", "SF Pro Text", -apple-system, BlinkMacSystemFont,
    "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  background: var(--bg);
}

* {
  box-sizing: border-box;
}

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

body {
  margin: 0;
  min-width: 320px;
  overflow: hidden;
  color: var(--text);
  background: var(--bg);
}

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

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

button {
  font: inherit;
}

.skip-link {
  position: fixed;
  top: -5rem;
  left: 1rem;
  z-index: 100;
  border-radius: 999px;
  padding: 0.7rem 1rem;
  color: #05070d;
  background: #fff;
  transition: top 180ms ease;
}

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

.visual-layer,
.visual-glow,
.visual-scanlines,
.visual-vignette,
#point-cloud-canvas {
  position: fixed;
  inset: 0;
}

.visual-layer {
  z-index: 0;
  overflow: hidden;
  background:
    radial-gradient(circle at 54% 48%, rgba(45, 64, 122, 0.14), transparent 30%),
    #03050b;
}

#point-cloud-canvas {
  width: 100%;
  height: 100%;
  opacity: 1;
  touch-action: none;
  user-select: none;
  -webkit-user-select: none;
  cursor: grab;
}

body.is-pointcloud-dragging,
body.is-pointcloud-dragging * {
  user-select: none !important;
  -webkit-user-select: none !important;
  cursor: grabbing !important;
}

.visual-glow {
  pointer-events: none;
  background:
    radial-gradient(circle at 62% 44%, rgba(125, 151, 255, 0.17), transparent 35%),
    linear-gradient(90deg, rgba(3, 5, 11, 0.9), rgba(3, 5, 11, 0.05) 47%, rgba(3, 5, 11, 0.27));
}

.visual-scanlines {
  pointer-events: none;
  opacity: 0.22;
  background: repeating-linear-gradient(
    0deg,
    rgba(255, 255, 255, 0.025) 0,
    rgba(255, 255, 255, 0.025) 1px,
    transparent 1px,
    transparent 9px
  );
}

.visual-vignette {
  pointer-events: none;
  box-shadow: inset 0 0 13rem 3rem rgba(0, 0, 0, 0.45);
}

.site-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 30;
  height: var(--header-height);
  border-bottom: 1px solid rgba(255, 255, 255, 0.025);
  background: linear-gradient(180deg, rgba(3, 5, 11, 0.76), transparent);
}

.nav-shell {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  width: 100%;
  height: 100%;
  padding: 0 var(--panel-x);
}

.brand {
  display: inline-flex;
  align-items: center;
  justify-self: start;
  gap: 0.75rem;
  width: fit-content;
}

.brand-mark {
  position: relative;
  display: grid;
  place-items: center;
  width: 2.15rem;
  height: 2.15rem;
  border: 1px solid rgba(223, 231, 255, 0.35);
  border-radius: 50%;
  box-shadow: inset 0 0 1.1rem rgba(133, 161, 255, 0.16), 0 0 1.5rem rgba(96, 128, 255, 0.08);
}

.brand-mark::before,
.brand-mark::after,
.brand-mark i {
  position: absolute;
  display: block;
  content: "";
  border-radius: 50%;
}

.brand-mark::before {
  width: 1.25rem;
  height: 0.56rem;
  border: 1px solid rgba(236, 241, 255, 0.7);
  transform: rotate(-18deg);
}

.brand-mark::after {
  width: 0.28rem;
  height: 0.28rem;
  background: #dce5ff;
  box-shadow: 0 0 0.7rem #8ba9ff;
}

.brand-mark i:nth-child(1) {
  top: 0.47rem;
  right: 0.45rem;
  width: 0.16rem;
  height: 0.16rem;
  background: var(--accent-soft);
}

.brand-mark i:nth-child(2) {
  bottom: 0.42rem;
  left: 0.62rem;
  width: 0.12rem;
  height: 0.12rem;
  background: rgba(219, 229, 255, 0.72);
}

.brand-wordmark {
  font-size: 0.92rem;
  font-weight: 760;
  letter-spacing: 0.12em;
}

.brand-wordmark span {
  color: #9fb5ff;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: clamp(1.5rem, 3vw, 3.25rem);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: rgba(232, 236, 249, 0.52);
}

.nav-links a {
  position: relative;
  padding: 0.55rem 0;
  transition: color 180ms ease;
}

.nav-links a::after {
  position: absolute;
  right: 0;
  bottom: 0.1rem;
  left: 0;
  height: 1px;
  content: "";
  background: var(--accent-soft);
  transform: scaleX(0);
  transition: transform 180ms ease;
}

.nav-links a:hover,
.nav-links a.is-active {
  color: #f3f5fb;
}

.nav-links a.is-active::after {
  transform: scaleX(1);
}

.header-console {
  display: inline-flex;
  align-items: center;
  justify-self: end;
  gap: 0.55rem;
  min-height: 2.4rem;
  border: 1px solid rgba(255, 255, 255, 0.72);
  border-radius: 999px;
  padding: 0 1rem;
  font-size: 0.76rem;
  font-weight: 700;
  color: #05070d;
  background: #f7f8fb;
  transition: transform 180ms ease, background 180ms ease;
}

.header-console:hover {
  background: #dbe4ff;
  transform: translateY(-1px);
}

.page-stack {
  position: relative;
  z-index: 10;
  height: 100dvh;
  overflow-y: auto;
  scroll-behavior: smooth;
  scroll-snap-type: y mandatory;
  scrollbar-width: none;
}

.page-stack::-webkit-scrollbar {
  display: none;
}

.panel {
  position: relative;
  min-height: 100dvh;
  overflow: hidden;
  scroll-snap-align: start;
  scroll-snap-stop: always;
}

.panel-inner {
  width: min(100%, 96rem);
  min-height: 100dvh;
  margin: 0 auto;
  padding: calc(var(--header-height) + 3.5rem) var(--panel-x) 6.5rem;
}

.hero-grid {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(20rem, 1.1fr);
  align-items: center;
}

.hero-copy {
  position: relative;
  top: clamp(1.5rem, 4vh, 2.75rem);
  z-index: 2;
  max-width: 29.5rem;
}

.eyebrow,
.section-label,
.note-kicker,
.broadcast-label {
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  font-size: 0.64rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  color: var(--microcopy);
}

.eyebrow {
  display: flex;
  align-items: center;
  gap: 0.8rem;
  margin-bottom: 2.5rem;
}

.eyebrow-line {
  width: 2.6rem;
  height: 1px;
  background: rgba(220, 227, 245, 0.24);
}

.live-label {
  display: inline-flex;
  align-items: center;
  gap: 0.42rem;
}

.live-label i,
.site-footer i {
  width: 0.38rem;
  height: 0.38rem;
  border-radius: 50%;
  background: #8ff0c0;
  box-shadow: 0 0 0.65rem rgba(96, 238, 169, 0.76);
}

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

h1 {
  max-width: 10em;
  font-size: clamp(2.5rem, 3.6vw, 4.1rem);
  line-height: 1.2;
  font-weight: 740;
  letter-spacing: -0.028em;
  text-wrap: balance;
  text-shadow: 0 0 3rem rgba(114, 139, 222, 0.08);
}

.hero-lead {
  margin-top: 2.4rem;
  font-size: clamp(1.05rem, 1.45vw, 1.35rem);
  font-weight: 600;
  line-height: 1.8;
  color: rgba(236, 239, 248, 0.75);
}

.hero-body {
  max-width: 37rem;
  margin-top: 1.8rem;
  font-size: 0.88rem;
  line-height: 1.95;
  color: var(--muted);
}

.hero-actions {
  position: absolute;
  right: var(--panel-x);
  bottom: 3.75rem;
  z-index: 3;
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 0.8rem;
  margin-top: 0;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.8rem;
  min-height: 3rem;
  border: 1px solid transparent;
  border-radius: 999px;
  padding: 0 1.3rem;
  font-size: 0.78rem;
  font-weight: 700;
  transition: transform 180ms ease, border-color 180ms ease, background 180ms ease;
}

.button:hover {
  transform: translateY(-2px);
}

.button-primary {
  color: #05070d;
  background: #f7f8fb;
  box-shadow: 0 1.2rem 3.2rem rgba(183, 199, 255, 0.12);
}

.button-primary:hover {
  background: #dfe6ff;
}

.button-ghost {
  border-color: var(--line);
  color: rgba(241, 244, 251, 0.73);
  background: rgba(7, 10, 19, 0.34);
  backdrop-filter: blur(16px);
}

.button-ghost:hover {
  border-color: rgba(211, 222, 255, 0.28);
}

.route-note {
  align-self: center;
  justify-self: end;
  width: min(100%, 20rem);
  margin-top: 0;
  border-left: 1px solid rgba(215, 224, 250, 0.18);
  padding-left: 1.25rem;
}

.note-kicker {
  margin-bottom: 0.7rem;
}

.note-value {
  margin-top: 0.45rem;
  font-family: "SFMono-Regular", Consolas, monospace;
  font-size: 0.76rem;
  color: rgba(239, 242, 251, 0.8);
}

.note-divider {
  width: 100%;
  height: 1px;
  margin: 1.2rem 0;
  background: linear-gradient(90deg, rgba(214, 225, 255, 0.18), transparent);
}

.route-note p {
  font-size: 0.72rem;
  line-height: 1.8;
  color: rgba(222, 229, 247, 0.43);
}

.models-grid,
.about-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(24rem, 0.72fr);
  align-items: center;
  justify-content: space-between;
  gap: clamp(4rem, 10vw, 11rem);
}

.section-label {
  margin-bottom: 2.2rem;
}

h2 {
  max-width: 12em;
  font-size: clamp(2.1rem, 2.9vw, 3.25rem);
  line-height: 1.22;
  font-weight: 730;
  letter-spacing: -0.03em;
  text-wrap: balance;
}

.section-copy > p {
  max-width: 35rem;
  margin-top: 2.5rem;
  font-size: 0.88rem;
  line-height: 1.95;
  color: var(--muted);
}

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

.feature-list article {
  display: grid;
  grid-template-columns: 2.2rem 1fr;
  gap: 1rem;
  border-bottom: 1px solid var(--line);
  padding: 1.15rem 0;
}

.feature-list article > span {
  padding-top: 0.15rem;
  font-family: "SFMono-Regular", Consolas, monospace;
  font-size: 0.62rem;
  color: rgba(181, 199, 255, 0.62);
}

.feature-list h3 {
  font-size: 0.88rem;
  font-weight: 650;
  letter-spacing: -0.01em;
}

.feature-list p {
  margin-top: 0.38rem;
  font-size: 0.72rem;
  line-height: 1.65;
  color: var(--faint);
}

.model-broadcast {
  position: absolute;
  right: 0;
  bottom: 2rem;
  left: 0;
}

.broadcast-label {
  width: min(100%, 96rem);
  margin: 0 auto 0.85rem;
  padding: 0 var(--panel-x);
}

.marquee-mask {
  overflow: hidden;
  mask-image: linear-gradient(90deg, transparent, #000 7%, #000 93%, transparent);
}

.marquee-track {
  display: flex;
  width: max-content;
  gap: 0.7rem;
  animation: marquee 32s linear infinite;
}

.model-pill {
  display: flex;
  align-items: center;
  gap: 0.8rem;
  width: 10.5rem;
  height: 3.7rem;
  border: 1px solid rgba(219, 227, 249, 0.1);
  border-radius: 1rem;
  padding: 0 1rem;
  color: rgba(238, 241, 249, 0.7);
  background: rgba(6, 9, 17, 0.54);
  box-shadow: inset 0 1px rgba(255, 255, 255, 0.04);
  backdrop-filter: blur(18px);
}

.model-pill b {
  display: grid;
  place-items: center;
  width: 2rem;
  height: 2rem;
  border: 1px solid rgba(214, 225, 255, 0.15);
  border-radius: 0.65rem;
  font-size: 0.7rem;
  color: #dce5ff;
  background: rgba(121, 151, 255, 0.08);
}

.model-pill span {
  font-size: 0.75rem;
  font-weight: 650;
}

.about-statement {
  border-left: 1px solid var(--line);
  padding-left: clamp(2.5rem, 4.25vw, 4.5rem);
}

.about-statement > p {
  border-bottom: 1px solid var(--line);
  padding: 1.15rem 0;
  font-size: 0.88rem;
  font-weight: 650;
  line-height: 1.65;
  letter-spacing: -0.01em;
  color: rgba(241, 244, 251, 0.73);
}

.status-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
  margin-top: 2rem;
}

.status-grid div {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.status-grid strong {
  font-family: "SFMono-Regular", Consolas, monospace;
  font-size: 1.2rem;
  font-weight: 500;
  color: #c8d5ff;
}

.status-grid span {
  font-size: 0.65rem;
  color: var(--faint);
}

.site-footer {
  position: absolute;
  right: var(--panel-x);
  bottom: 1.5rem;
  left: var(--panel-x);
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-top: 1px solid var(--line);
  padding-top: 1rem;
  font-family: "SFMono-Regular", Consolas, monospace;
  font-size: 0.58rem;
  letter-spacing: 0.09em;
  color: rgba(222, 229, 245, 0.34);
}

.site-footer span:nth-child(2) {
  display: flex;
  align-items: center;
  gap: 0.45rem;
}

.site-footer .footer-links {
  display: flex;
  gap: 1rem;
}

.site-footer a:hover {
  color: rgba(238, 242, 251, 0.72);
}

.section-controls {
  position: fixed;
  right: var(--panel-x);
  bottom: 1.15rem;
  z-index: 25;
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.about-panel .site-footer ~ .section-controls {
  display: none;
}

.section-controls button,
.section-controls span {
  display: grid;
  place-items: center;
  height: 2.5rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: rgba(239, 242, 250, 0.55);
  background: rgba(4, 7, 14, 0.55);
  backdrop-filter: blur(18px);
}

.section-controls button {
  width: 2.5rem;
  cursor: pointer;
  transition: color 180ms ease, border-color 180ms ease, transform 180ms ease;
}

.section-controls button:hover:not(:disabled) {
  border-color: rgba(215, 225, 255, 0.3);
  color: #fff;
  transform: translateY(-1px);
}

.section-controls button:disabled {
  cursor: default;
  opacity: 0.28;
}

.section-controls span {
  min-width: 4.5rem;
  padding: 0 0.8rem;
  font-family: "SFMono-Regular", Consolas, monospace;
  font-size: 0.58rem;
  letter-spacing: 0.12em;
}

.reveal {
  opacity: 0.25;
  transform: translateY(1.5rem);
  transition: opacity 700ms ease, transform 700ms cubic-bezier(0.16, 1, 0.3, 1);
}

.panel.is-active .reveal {
  opacity: 1;
  transform: translateY(0);
}

.webgl-fallback {
  position: fixed;
  inset: 20% 20% 12% 38%;
  z-index: 1;
  filter: blur(0.5px);
}

.webgl-fallback span {
  position: absolute;
  inset: 15%;
  border: 1px solid rgba(167, 190, 255, 0.24);
  border-radius: 50%;
  box-shadow: 0 0 6rem rgba(88, 120, 240, 0.12);
}

.webgl-fallback span:nth-child(2) {
  transform: rotate(62deg) scaleX(0.52);
}

.webgl-fallback span:nth-child(3) {
  transform: rotate(-42deg) scaleY(0.58);
}

@keyframes marquee {
  to { transform: translateX(calc(-50% - 0.35rem)); }
}

@media (max-width: 900px) {
  :root {
    --panel-x: clamp(1rem, 5vw, 2rem);
    --header-height: 4.5rem;
  }

  .nav-shell {
    grid-template-columns: 1fr auto;
  }

  .nav-links {
    display: none;
  }

  .hero-grid,
  .models-grid,
  .about-grid {
    grid-template-columns: 1fr;
    align-content: center;
    gap: 2.5rem;
  }

  .hero-grid {
    padding-top: calc(var(--header-height) + 2.5rem);
  }

  .hero-copy {
    align-self: center;
    top: auto;
    max-width: 34rem;
  }

  .hero-actions {
    position: static;
    justify-self: start;
    justify-content: flex-start;
    margin-top: 0;
  }

  h1 {
    font-size: clamp(2.3rem, 6.2vw, 3.35rem);
    line-height: 1.2;
  }

  h2 {
    font-size: clamp(2.05rem, 5.4vw, 2.85rem);
    line-height: 1.22;
  }

  .route-note {
    display: none;
  }

  .models-grid,
  .about-grid {
    padding-bottom: 8.5rem;
  }

  .feature-list {
    width: min(100%, 34rem);
  }

  .visual-glow {
    background:
      radial-gradient(circle at 68% 42%, rgba(125, 151, 255, 0.14), transparent 38%),
      linear-gradient(90deg, rgba(3, 5, 11, 0.84), rgba(3, 5, 11, 0.16) 70%, rgba(3, 5, 11, 0.45));
  }
}

@media (max-width: 600px) {
  .brand-wordmark {
    font-size: 0.78rem;
  }

  .brand-mark {
    width: 1.9rem;
    height: 1.9rem;
  }

  .header-console {
    min-height: 2.2rem;
    padding: 0 0.85rem;
    font-size: 0.68rem;
  }

  .panel-inner {
    padding-bottom: 6.5rem;
  }

  .eyebrow {
    flex-wrap: wrap;
    max-width: 23rem;
    margin-bottom: 1.8rem;
  }

  .eyebrow-line {
    display: none;
  }

  h1 {
    font-size: clamp(2rem, 7.8vw, 2.65rem);
    line-height: 1.2;
  }

  h2 {
    font-size: clamp(1.9rem, 7.2vw, 2.45rem);
    line-height: 1.22;
  }

  .hero-lead {
    margin-top: 1.7rem;
  }

  .hero-body {
    display: -webkit-box;
    overflow: hidden;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 3;
  }

  .hero-actions {
    margin-top: 2rem;
  }

  .button {
    min-height: 2.8rem;
  }

  .section-copy > p {
    margin-top: 1.8rem;
  }

  .feature-list article {
    padding: 0.8rem 0;
  }

  .model-broadcast {
    bottom: 1.2rem;
  }

  .broadcast-label {
    margin-bottom: 0.55rem;
  }

  .model-pill {
    width: 8.8rem;
    height: 3.1rem;
  }

  .model-pill b {
    width: 1.7rem;
    height: 1.7rem;
  }

  .about-statement {
    padding-left: 1rem;
  }

  .about-statement > p {
    padding: 0.8rem 0;
  }

  .status-grid {
    margin-top: 1.2rem;
  }

  .site-footer {
    gap: 1rem;
  }

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

  .section-controls {
    right: var(--panel-x);
    bottom: 0.9rem;
  }
}

/* Mobile is a separate composition rather than a compressed desktop stage. */
@media (max-width: 700px) {
  :root {
    --panel-x: clamp(1.15rem, 5.5vw, 1.55rem);
    --header-height: 4rem;
  }

  body {
    overscroll-behavior: none;
  }

  .site-header {
    padding-top: env(safe-area-inset-top);
    height: calc(var(--header-height) + env(safe-area-inset-top));
    border-bottom-color: rgba(255, 255, 255, 0.045);
    background: rgba(3, 5, 11, 0.76);
  }

  .nav-shell {
    grid-template-columns: 1fr auto;
    height: var(--header-height);
  }

  .brand {
    gap: 0.62rem;
  }

  .brand-mark {
    width: 1.8rem;
    height: 1.8rem;
  }

  .brand-wordmark {
    font-size: 0.76rem;
    letter-spacing: 0.1em;
  }

  .header-console {
    min-height: 2.15rem;
    padding: 0 0.82rem;
    font-size: 0.67rem;
  }

  .nav-links {
    position: fixed;
    right: 1rem;
    bottom: calc(0.8rem + env(safe-area-inset-bottom));
    left: 1rem;
    z-index: 40;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 0.2rem;
    width: auto;
    max-width: 22rem;
    height: 3.2rem;
    margin: 0 auto;
    border: 1px solid rgba(219, 227, 249, 0.11);
    border-radius: 999px;
    padding: 0.28rem;
    font-size: 0.68rem;
    letter-spacing: 0.03em;
    background: rgba(6, 8, 15, 0.86);
    box-shadow: 0 1rem 3rem rgba(0, 0, 0, 0.42), inset 0 1px rgba(255, 255, 255, 0.035);
    backdrop-filter: blur(22px);
  }

  .nav-links a {
    display: grid;
    place-items: center;
    height: 100%;
    border-radius: 999px;
    padding: 0;
  }

  .nav-links a::after {
    display: none;
  }

  .nav-links a.is-active {
    color: #f5f7fc;
    background: rgba(151, 170, 224, 0.13);
    box-shadow: inset 0 0 0 1px rgba(206, 216, 246, 0.08);
  }

  .panel,
  .panel-inner {
    min-height: 100svh;
    min-height: 100dvh;
  }

  .panel-inner,
  .hero-grid,
  .models-grid,
  .about-grid {
    padding-top: calc(var(--header-height) + env(safe-area-inset-top) + 1.35rem);
    padding-bottom: calc(5.25rem + env(safe-area-inset-bottom));
  }

  .hero-grid,
  .models-grid,
  .about-grid {
    align-content: start;
    gap: 1.5rem;
  }

  .hero-copy {
    align-self: start;
    max-width: 21.5rem;
  }

  .eyebrow {
    flex-wrap: nowrap;
    gap: 0.52rem;
    max-width: none;
    margin-bottom: 1.35rem;
    font-size: clamp(0.48rem, 2vw, 0.56rem);
    letter-spacing: 0.12em;
    white-space: nowrap;
  }

  .eyebrow-line {
    display: block;
    flex: 1 1 auto;
    width: auto;
    min-width: 0.8rem;
    max-width: 2rem;
  }

  h1 {
    max-width: 7.5em;
    font-size: clamp(2.25rem, 10.5vw, 2.75rem);
    line-height: 1.22;
    letter-spacing: -0.035em;
  }

  .hero-lead {
    max-width: 20rem;
    margin-top: 1.45rem;
    font-size: 0.92rem;
    line-height: 1.72;
  }

  .hero-body {
    max-width: 20rem;
    margin-top: 1.05rem;
    font-size: 0.76rem;
    line-height: 1.75;
    -webkit-line-clamp: 3;
  }

  .hero-actions {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0.6rem;
    width: min(100%, 20rem);
    margin-top: 0.35rem;
  }

  .button {
    min-height: 2.8rem;
    padding: 0 0.85rem;
    font-size: 0.72rem;
  }

  .section-label {
    margin-bottom: 1.15rem;
    font-size: 0.56rem;
  }

  h2 {
    max-width: 10em;
    font-size: clamp(1.95rem, 9vw, 2.35rem);
    line-height: 1.26;
  }

  .section-copy > p {
    max-width: 21rem;
    margin-top: 1.25rem;
    font-size: 0.76rem;
    line-height: 1.72;
  }

  .models-grid,
  .about-grid {
    gap: 1.35rem;
  }

  .feature-list {
    width: 100%;
  }

  .feature-list article {
    grid-template-columns: 1.8rem 1fr;
    gap: 0.7rem;
    padding: 0.68rem 0;
  }

  .feature-list h3 {
    font-size: 0.78rem;
  }

  .feature-list p {
    margin-top: 0.24rem;
    font-size: 0.65rem;
  }

  .model-broadcast {
    bottom: calc(5.1rem + env(safe-area-inset-bottom));
  }

  .broadcast-label {
    margin-bottom: 0.45rem;
    font-size: 0.52rem;
  }

  .model-pill {
    width: 8.2rem;
    height: 2.75rem;
    border-radius: 0.8rem;
  }

  .about-statement {
    width: 100%;
    border-left-color: rgba(215, 224, 250, 0.12);
    padding-left: 0.95rem;
  }

  .about-statement > p {
    padding: 0.72rem 0;
    font-size: 0.76rem;
  }

  .status-grid {
    gap: 0.55rem;
    margin-top: 1rem;
  }

  .status-grid strong {
    font-size: 1rem;
  }

  .site-footer,
  .section-controls {
    display: none;
  }

  .visual-layer {
    background:
      radial-gradient(circle at 78% 24%, rgba(65, 82, 139, 0.17), transparent 31%),
      #03050b;
  }

  .visual-glow {
    background:
      linear-gradient(90deg, rgba(3, 5, 11, 0.62), rgba(3, 5, 11, 0.2) 48%, rgba(3, 5, 11, 0.12) 76%, rgba(3, 5, 11, 0.28)),
      radial-gradient(circle at 50% 28%, rgba(154, 171, 232, 0.12), transparent 31%),
      linear-gradient(180deg, rgba(3, 5, 11, 0.06), rgba(3, 5, 11, 0.36) 55%, rgba(3, 5, 11, 0.72));
  }

  .visual-vignette {
    box-shadow: inset 0 0 7rem 1rem rgba(0, 0, 0, 0.42);
  }
}

@media (max-width: 700px) and (max-height: 720px) {
  .panel-inner,
  .hero-grid,
  .models-grid,
  .about-grid {
    padding-top: calc(var(--header-height) + env(safe-area-inset-top) + 0.9rem);
  }

  .eyebrow {
    margin-bottom: 1rem;
  }

  h1 {
    font-size: 2.15rem;
  }

  .hero-lead {
    margin-top: 1.1rem;
  }

  .hero-body {
    margin-top: 0.75rem;
    -webkit-line-clamp: 2;
  }

  .hero-actions {
    margin-top: 0;
  }

  .section-copy > p {
    display: -webkit-box;
    overflow: hidden;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 2;
  }

  .feature-list article {
    padding: 0.52rem 0;
  }
}

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

  .marquee-track {
    animation: none;
  }

  .reveal,
  .panel.is-active .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }
}