:root {
  color-scheme: dark;
  --brand: #ff5b00;
  --brand-2: #ff8a2a;
  --cyan: #50e6ff;
  --green: #7cffb5;
  --bg: #050506;
  --bg-2: #0a0b0e;
  --surface: rgba(14, 16, 20, 0.74);
  --surface-2: rgba(20, 23, 30, 0.82);
  --surface-strong: rgba(255, 255, 255, 0.08);
  --line: rgba(255, 255, 255, 0.13);
  --line-strong: rgba(255, 91, 0, 0.42);
  --text: #f7f7f4;
  --muted: rgba(247, 247, 244, 0.68);
  --soft: rgba(247, 247, 244, 0.46);
  --shadow: 0 24px 80px rgba(0, 0, 0, 0.42);
  --radius: 8px;
  --max: 1180px;
  font-family:
    Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
    "PingFang SC", "Microsoft YaHei", sans-serif;
}

:root[data-site-theme="light"] {
  color-scheme: light;
  --bg: #f7f8fa;
  --bg-2: #ffffff;
  --surface: rgba(255, 255, 255, 0.78);
  --surface-2: rgba(255, 255, 255, 0.94);
  --surface-strong: rgba(8, 12, 18, 0.05);
  --line: rgba(8, 12, 18, 0.12);
  --line-strong: rgba(255, 91, 0, 0.36);
  --text: #111318;
  --muted: rgba(17, 19, 24, 0.68);
  --soft: rgba(17, 19, 24, 0.48);
  --shadow: 0 24px 70px rgba(12, 22, 38, 0.12);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-width: 320px;
  color: var(--text);
  background:
    linear-gradient(90deg, rgba(255, 91, 0, 0.12) 0 1px, transparent 1px 100%),
    linear-gradient(0deg, rgba(80, 230, 255, 0.08) 0 1px, transparent 1px 100%),
    linear-gradient(180deg, var(--bg) 0%, var(--bg-2) 100%);
  background-size: 88px 88px, 88px 88px, auto;
  overflow-x: hidden;
}

body::before {
  position: fixed;
  inset: 0;
  z-index: -3;
  content: "";
  pointer-events: none;
  background:
    linear-gradient(120deg, rgba(255, 91, 0, 0.12), transparent 24%, rgba(80, 230, 255, 0.08) 52%, transparent 76%),
    repeating-linear-gradient(90deg, transparent 0 54px, rgba(255, 255, 255, 0.045) 54px 55px),
    repeating-linear-gradient(0deg, transparent 0 54px, rgba(255, 255, 255, 0.035) 54px 55px);
  mask-image: linear-gradient(180deg, black 0%, black 64%, transparent 100%);
}

body::after {
  position: fixed;
  inset: 0;
  z-index: -2;
  content: "";
  pointer-events: none;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.03) 0 1px, transparent 1px 5px);
  opacity: 0.22;
}

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

button,
input,
textarea {
  font: inherit;
}

button {
  color: inherit;
}

svg {
  display: block;
}

#signal-canvas {
  position: fixed;
  inset: 0;
  z-index: -1;
  width: 100%;
  height: 100%;
  pointer-events: none;
  opacity: 0.7;
}

.skip-link {
  position: fixed;
  left: 18px;
  top: 12px;
  z-index: 20;
  padding: 10px 14px;
  color: #050506;
  background: var(--brand);
  border-radius: 8px;
  transform: translateY(-140%);
}

.skip-link:focus {
  transform: translateY(0);
}

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 10;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 24px;
  width: min(var(--max), calc(100% - 32px));
  min-height: 72px;
  margin: 0 auto;
  padding: 14px 0;
  transition: background 220ms ease, border-color 220ms ease, backdrop-filter 220ms ease;
}

.site-header[data-elevated="true"] {
  padding-inline: 16px;
  margin-top: 10px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: color-mix(in srgb, var(--surface-2) 84%, transparent);
  box-shadow: var(--shadow);
  backdrop-filter: blur(18px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  min-width: 0;
  font-size: 18px;
  font-weight: 780;
  letter-spacing: 0;
}

.brand img {
  width: 36px;
  height: 36px;
  object-fit: contain;
  filter: drop-shadow(0 0 20px rgba(255, 91, 0, 0.42));
}

.site-nav {
  display: flex;
  justify-content: center;
  gap: 6px;
}

.site-nav a,
.small-cta,
.theme-toggle,
.nav-toggle {
  min-height: 40px;
  border-radius: 8px;
}

.site-nav a {
  display: inline-flex;
  align-items: center;
  padding: 0 13px;
  color: var(--muted);
  font-size: 14px;
  transition: color 180ms ease, background 180ms ease;
}

.site-nav a:hover,
.site-nav a:focus-visible {
  color: var(--text);
  background: var(--surface-strong);
}

.header-actions {
  display: inline-flex;
  align-items: center;
  gap: 10px;
}

.theme-toggle,
.nav-toggle {
  display: inline-grid;
  place-items: center;
  border: 1px solid var(--line);
  background: var(--surface);
  cursor: pointer;
}

.theme-toggle {
  width: 40px;
}

.theme-toggle svg {
  width: 18px;
  height: 18px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.8;
  stroke-linecap: round;
}

.small-cta {
  display: inline-flex;
  align-items: center;
  padding: 0 16px;
  color: #090909;
  font-size: 14px;
  font-weight: 760;
  background: var(--brand);
  box-shadow: 0 12px 34px rgba(255, 91, 0, 0.32);
}

.nav-toggle {
  display: none;
  width: 42px;
}

.nav-toggle span {
  width: 18px;
  height: 2px;
  background: currentColor;
  transition: transform 180ms ease;
}

.hero {
  position: relative;
  min-height: 80svh;
  display: grid;
  align-items: center;
  padding: 104px 20px 96px;
  isolation: isolate;
  overflow: hidden;
}

.hero-video {
  position: absolute;
  inset: 0;
  z-index: -4;
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: saturate(1.08) contrast(1.08) brightness(0.78);
  transform: scale(1.02);
}

:root[data-site-theme="light"] .hero-video {
  filter: saturate(1.04) contrast(1.02) brightness(1.04);
  opacity: 0.72;
}

.hero::before {
  position: absolute;
  inset: 0;
  z-index: -3;
  content: "";
  background:
    linear-gradient(90deg, rgba(5, 5, 6, 0.82), rgba(5, 5, 6, 0.36) 48%, rgba(5, 5, 6, 0.78)),
    linear-gradient(180deg, rgba(5, 5, 6, 0.15), rgba(5, 5, 6, 0.86) 100%);
}

:root[data-site-theme="light"] .hero::before {
  background:
    linear-gradient(90deg, rgba(247, 248, 250, 0.9), rgba(247, 248, 250, 0.42) 48%, rgba(247, 248, 250, 0.8)),
    linear-gradient(180deg, rgba(247, 248, 250, 0.08), rgba(247, 248, 250, 0.9) 100%);
}

.hero-mesh {
  position: absolute;
  inset: 12% -10% -16%;
  z-index: -2;
  background:
    linear-gradient(90deg, transparent 0 49%, rgba(255, 91, 0, 0.26) 49% 50%, transparent 50% 100%),
    repeating-linear-gradient(90deg, rgba(255, 255, 255, 0.12) 0 1px, transparent 1px 92px),
    repeating-linear-gradient(0deg, rgba(255, 255, 255, 0.08) 0 1px, transparent 1px 72px);
  transform: perspective(760px) rotateX(61deg) translateY(12%);
  mask-image: radial-gradient(ellipse at center, black 0%, rgba(0, 0, 0, 0.8) 46%, transparent 72%);
  animation: meshDrift 18s linear infinite;
}

.hero-content {
  width: min(var(--max), 100%);
  margin: 0 auto;
}

.hero h1 {
  margin: 0;
  font-size: clamp(72px, 13vw, 190px);
  line-height: 0.82;
  font-weight: 860;
  letter-spacing: 0;
  color: var(--text);
  text-shadow: 0 0 46px rgba(255, 91, 0, 0.34), 0 26px 72px rgba(0, 0, 0, 0.62);
}

.hero-subtitle {
  margin: 18px 0 0;
  font-size: clamp(30px, 5vw, 72px);
  line-height: 1.04;
  font-weight: 820;
  letter-spacing: 0;
  color: transparent;
  background: linear-gradient(96deg, #fff8f2, var(--brand), var(--cyan));
  -webkit-background-clip: text;
  background-clip: text;
}

:root[data-site-theme="light"] .hero-subtitle {
  background: linear-gradient(96deg, #111318, var(--brand), #00667a);
  -webkit-background-clip: text;
  background-clip: text;
}

.hero-copy {
  max-width: 760px;
  margin: 24px 0 0;
  color: var(--muted);
  font-size: clamp(17px, 1.8vw, 24px);
  line-height: 1.58;
  font-weight: 520;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 34px;
}

.primary-action,
.ghost-action,
.console-run {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: 42px;
  border-radius: 8px;
  border: 1px solid transparent;
  padding: 0 18px;
  font-size: 15px;
  font-weight: 760;
  cursor: pointer;
  transition: transform 180ms ease, border-color 180ms ease, background 180ms ease;
}

.primary-action {
  color: #080808;
  background: linear-gradient(135deg, var(--brand), var(--brand-2));
  box-shadow: 0 20px 48px rgba(255, 91, 0, 0.36);
}

.ghost-action,
.console-run {
  color: var(--text);
  background: var(--surface);
  border-color: var(--line);
  backdrop-filter: blur(16px);
}

.primary-action:hover,
.ghost-action:hover,
.console-run:hover,
.feature-tab:hover,
.prompt-card:hover {
  transform: translateY(-2px);
}

.primary-action svg,
.ghost-action svg,
.console-run svg {
  width: 18px;
  height: 18px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.9;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.console-run svg {
  fill: currentColor;
  stroke: none;
}

.hero-hud {
  position: absolute;
  left: max(20px, calc((100vw - var(--max)) / 2));
  right: max(20px, calc((100vw - var(--max)) / 2));
  bottom: 18px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  border: 1px solid var(--line);
  background: var(--line);
  box-shadow: var(--shadow);
}

.hud-line {
  min-height: 72px;
  display: grid;
  gap: 5px;
  align-content: center;
  padding: 14px 18px;
  background: color-mix(in srgb, var(--surface-2) 88%, transparent);
  backdrop-filter: blur(18px);
}

.hud-line span,
.panel-label,
.feature-copy span,
.section-index,
.prompt-console span,
.prompt-card span,
.prompt-card em,
.flowline span {
  color: var(--brand-2);
  font-size: 12px;
  line-height: 1.2;
  font-weight: 780;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.hud-line strong {
  color: var(--text);
  font-size: 15px;
  line-height: 1.32;
}

.scroll-cue {
  position: absolute;
  right: 24px;
  bottom: 42px;
  color: var(--soft);
  font-size: 11px;
  letter-spacing: 0.14em;
  writing-mode: vertical-rl;
}

.section-pad {
  width: min(var(--max), calc(100% - 32px));
  margin: 0 auto;
  padding: clamp(76px, 9vw, 132px) 0;
}

.command-section {
  padding-top: clamp(30px, 4vw, 56px);
}

.section-heading {
  display: grid;
  grid-template-columns: 74px minmax(0, 780px);
  gap: 26px;
  align-items: start;
  margin-bottom: 38px;
}

.section-heading h2 {
  grid-column: 2;
  margin: 0;
  max-width: 860px;
  font-size: clamp(32px, 5vw, 64px);
  line-height: 1.05;
  letter-spacing: 0;
}

.section-heading p {
  grid-column: 2;
  max-width: 740px;
  margin: 6px 0 0;
  color: var(--muted);
  font-size: 17px;
  line-height: 1.8;
}

.section-index {
  grid-row: 1 / span 2;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  border: 1px solid var(--line-strong);
  border-radius: 50%;
  background: rgba(255, 91, 0, 0.1);
}

.war-room {
  display: grid;
  gap: 18px;
}

.war-room__screen {
  min-height: 560px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background:
    linear-gradient(135deg, rgba(255, 91, 0, 0.11), transparent 32%, rgba(80, 230, 255, 0.09)),
    var(--surface);
  box-shadow: var(--shadow);
}

.screen-topbar {
  display: flex;
  align-items: center;
  gap: 8px;
  min-height: 46px;
  padding: 0 18px;
  border-bottom: 1px solid var(--line);
  color: var(--soft);
  font-size: 12px;
  letter-spacing: 0.08em;
}

.screen-topbar span {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--brand);
}

.screen-topbar span:nth-child(2) {
  background: var(--cyan);
}

.screen-topbar span:nth-child(3) {
  background: var(--green);
}

.screen-topbar strong {
  margin-left: auto;
  font-weight: 760;
}

.screen-grid {
  min-height: 514px;
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(280px, 0.65fr);
  grid-template-rows: 1fr auto;
  gap: 18px;
  padding: 18px;
}

.screen-map {
  position: relative;
  grid-row: 1 / span 2;
  min-height: 100%;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background:
    linear-gradient(90deg, rgba(255, 255, 255, 0.06) 1px, transparent 1px),
    linear-gradient(0deg, rgba(255, 255, 255, 0.05) 1px, transparent 1px),
    rgba(0, 0, 0, 0.18);
  background-size: 46px 46px;
}

.orbit-ring {
  position: absolute;
  inset: 13%;
  border: 1px solid rgba(255, 91, 0, 0.35);
  border-radius: 50%;
  animation: spin 24s linear infinite;
}

.ring-b {
  inset: 25%;
  border-color: rgba(80, 230, 255, 0.32);
  animation-duration: 18s;
  animation-direction: reverse;
}

.hub-node,
.map-node {
  position: absolute;
  display: grid;
  place-items: center;
  border: 1px solid var(--line-strong);
  border-radius: 50%;
  background: color-mix(in srgb, var(--surface-2) 84%, transparent);
  box-shadow: 0 0 44px rgba(255, 91, 0, 0.22);
  backdrop-filter: blur(12px);
}

.hub-node {
  left: 50%;
  top: 50%;
  width: 112px;
  height: 112px;
  color: #080808;
  background: var(--brand);
  transform: translate(-50%, -50%);
  font-size: 28px;
  font-weight: 860;
}

.map-node {
  width: 82px;
  height: 82px;
  color: var(--text);
  cursor: pointer;
}

.node-research { left: 12%; top: 15%; }
.node-image { right: 15%; top: 13%; }
.node-video { right: 10%; bottom: 17%; }
.node-avatar { left: 18%; bottom: 13%; }
.node-publish { left: 50%; top: 8%; transform: translateX(-50%); }

.map-beam {
  position: absolute;
  left: 50%;
  top: 50%;
  width: 38%;
  height: 1px;
  background: linear-gradient(90deg, var(--brand), transparent);
  transform-origin: left;
  animation: pulseBeam 2.8s ease-in-out infinite;
}

.beam-a { transform: rotate(28deg); }
.beam-b { transform: rotate(148deg); animation-delay: 0.5s; }
.beam-c { transform: rotate(258deg); animation-delay: 1s; }

.signal-panel,
.mission-stack article,
.war-room__metrics > div,
.feature-stage,
.module-grid article,
.prompt-console,
.prompt-card,
.flowline article,
.company-panel,
.contact-shell {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  box-shadow: var(--shadow);
  backdrop-filter: blur(16px);
}

.signal-panel {
  display: grid;
  gap: 18px;
  align-content: start;
  padding: 22px;
}

.signal-panel p {
  min-height: 76px;
  margin: 0;
  font-size: 24px;
  line-height: 1.35;
  font-weight: 780;
}

.signal-bars {
  display: flex;
  align-items: end;
  gap: 8px;
  height: 94px;
  padding-top: 14px;
  border-top: 1px solid var(--line);
}

.signal-bars span {
  flex: 1;
  height: var(--h);
  min-height: 18px;
  background: linear-gradient(180deg, var(--cyan), var(--brand));
  border-radius: 999px 999px 0 0;
  animation: barLift 2.4s ease-in-out infinite;
}

.signal-bars span:nth-child(2n) {
  animation-delay: 0.3s;
}

.mission-stack {
  display: grid;
  gap: 12px;
}

.mission-stack article {
  padding: 17px;
}

.mission-stack span,
.mission-stack strong {
  display: block;
}

.mission-stack span {
  color: var(--soft);
  font-size: 13px;
  margin-bottom: 6px;
}

.mission-stack strong {
  font-size: 16px;
  line-height: 1.35;
}

.war-room__metrics {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}

.war-room__metrics > div {
  padding: 24px;
}

.war-room__metrics strong {
  display: block;
  color: var(--brand);
  font-size: clamp(38px, 6vw, 72px);
  line-height: 0.9;
  font-weight: 860;
}

.war-room__metrics span {
  display: block;
  margin-top: 8px;
  color: var(--muted);
}

.capability-lab {
  display: grid;
  grid-template-columns: 280px minmax(0, 1fr);
  gap: 18px;
}

.feature-dock {
  display: grid;
  gap: 10px;
  align-content: start;
}

.feature-tab {
  min-height: 72px;
  text-align: left;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 13px 16px;
  background: var(--surface);
  cursor: pointer;
  transition: transform 180ms ease, border-color 180ms ease, background 180ms ease;
}

.feature-tab.is-active {
  border-color: var(--line-strong);
  background: linear-gradient(135deg, rgba(255, 91, 0, 0.22), rgba(80, 230, 255, 0.08));
}

.feature-tab span,
.feature-tab small {
  display: block;
}

.feature-tab span {
  font-weight: 780;
}

.feature-tab small {
  margin-top: 4px;
  color: var(--muted);
}

.feature-stage {
  position: relative;
  min-height: 570px;
  overflow: hidden;
  background: #050506;
}

.feature-stage video {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.74;
}

.feature-stage::after {
  position: absolute;
  inset: 0;
  content: "";
  background: linear-gradient(90deg, rgba(5, 5, 6, 0.88), rgba(5, 5, 6, 0.22) 64%, rgba(5, 5, 6, 0.7));
}

.feature-copy {
  position: relative;
  z-index: 1;
  display: grid;
  align-content: end;
  max-width: 560px;
  min-height: 570px;
  padding: clamp(26px, 5vw, 56px);
}

.feature-copy h3 {
  margin: 14px 0 0;
  font-size: clamp(28px, 4.3vw, 54px);
  line-height: 1.08;
}

.feature-copy p {
  margin: 18px 0 0;
  color: rgba(255, 255, 255, 0.75);
  font-size: 17px;
  line-height: 1.75;
}

.feature-copy ul {
  display: grid;
  gap: 10px;
  margin: 22px 0 0;
  padding: 0;
  list-style: none;
}

.feature-copy li {
  position: relative;
  padding-left: 18px;
  color: rgba(255, 255, 255, 0.82);
}

.feature-copy li::before {
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  content: "";
  background: var(--brand);
}

.module-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
  margin-top: 18px;
}

.module-grid article {
  min-height: 152px;
  padding: 18px;
}

.module-grid span {
  display: block;
  font-weight: 800;
}

.module-grid p {
  margin: 12px 0 0;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.65;
}

.plaza {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 340px;
  gap: 18px;
  align-items: start;
}

.plaza-controls {
  grid-column: 1 / -1;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.plaza-filter {
  min-height: 40px;
  padding: 0 15px;
  color: var(--muted);
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--surface);
  cursor: pointer;
}

.plaza-filter.is-active {
  color: #080808;
  border-color: transparent;
  background: var(--brand);
}

.plaza-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.prompt-card {
  min-height: 186px;
  display: grid;
  align-content: space-between;
  text-align: left;
  padding: 20px;
  color: var(--text);
  cursor: pointer;
  transition: transform 180ms ease, opacity 180ms ease, border-color 180ms ease;
}

.prompt-card.is-hidden {
  display: none;
}

.prompt-card strong {
  display: block;
  margin: 14px 0;
  font-size: 22px;
  line-height: 1.22;
}

.prompt-card em {
  font-style: normal;
  color: var(--cyan);
}

.prompt-card.is-selected {
  border-color: var(--line-strong);
  background: linear-gradient(135deg, rgba(255, 91, 0, 0.2), var(--surface));
}

.prompt-console {
  position: sticky;
  top: 110px;
  display: grid;
  gap: 18px;
  padding: 24px;
}

.prompt-console p {
  min-height: 164px;
  margin: 0;
  color: var(--text);
  font-size: 24px;
  line-height: 1.35;
  font-weight: 780;
}

.flowline {
  position: relative;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
}

.flowline::before {
  position: absolute;
  left: 0;
  right: 0;
  top: 42px;
  height: 1px;
  content: "";
  background: linear-gradient(90deg, var(--brand), var(--cyan));
}

.flowline article {
  position: relative;
  min-height: 230px;
  padding: 22px;
}

.flowline article::before {
  display: block;
  width: 16px;
  height: 16px;
  margin-bottom: 34px;
  border: 3px solid var(--brand);
  border-radius: 50%;
  content: "";
  background: var(--bg);
}

.flowline strong {
  display: block;
  margin-top: 10px;
  font-size: 21px;
  line-height: 1.26;
}

.flowline p {
  margin: 14px 0 0;
  color: var(--muted);
  line-height: 1.65;
}

.company-panel {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(280px, 0.68fr);
  gap: 28px;
  padding: clamp(26px, 5vw, 54px);
  background:
    linear-gradient(135deg, rgba(255, 91, 0, 0.18), transparent 45%, rgba(80, 230, 255, 0.08)),
    var(--surface);
}

.company-panel h2 {
  margin: 18px 0 0;
  font-size: clamp(34px, 5vw, 64px);
  line-height: 1.05;
}

.company-panel p {
  max-width: 660px;
  color: var(--muted);
  font-size: 18px;
  line-height: 1.8;
}

.company-panel ul {
  display: grid;
  gap: 16px;
  align-content: center;
  margin: 0;
  padding: 0;
  list-style: none;
}

.company-panel li {
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface-strong);
}

.contact-shell {
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(320px, 0.68fr);
  gap: 34px;
  padding: clamp(26px, 5vw, 58px);
  background:
    linear-gradient(120deg, rgba(255, 91, 0, 0.24), transparent 36%, rgba(80, 230, 255, 0.1)),
    var(--surface);
}

.contact-shell h2 {
  margin: 0;
  max-width: 720px;
  font-size: clamp(34px, 5.5vw, 76px);
  line-height: 1.02;
}

.contact-shell p {
  max-width: 620px;
  color: var(--muted);
  font-size: 18px;
  line-height: 1.8;
}

.contact-guide {
  display: grid;
  gap: 16px;
  align-content: start;
  min-height: 320px;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background:
    linear-gradient(135deg, rgba(255, 91, 0, 0.14), transparent 48%, rgba(80, 230, 255, 0.08)),
    var(--surface-2);
}

.contact-guide > span {
  color: var(--muted);
  font-size: 12px;
  line-height: 1.2;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.contact-guide h3 {
  margin: 0;
  color: var(--text);
  font-size: clamp(22px, 2.7vw, 34px);
  line-height: 1.18;
}

.contact-guide p {
  margin: 0;
  color: var(--muted);
  font-size: 16px;
  line-height: 1.75;
}

.guide-steps {
  display: grid;
  gap: 10px;
  margin-top: 4px;
}

.guide-steps div {
  display: grid;
  grid-template-columns: 42px minmax(0, 1fr);
  gap: 12px;
  align-items: center;
  min-height: 58px;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface-strong);
}

.guide-steps strong {
  color: var(--brand);
  font-size: 18px;
  line-height: 1;
}

.guide-steps small {
  color: var(--muted);
  font-size: 14px;
  line-height: 1.5;
}

.site-nav a:focus-visible,
.theme-toggle:focus-visible,
.small-cta:focus-visible,
.primary-action:focus-visible,
.ghost-action:focus-visible,
.feature-tab:focus-visible,
.plaza-filter:focus-visible,
.prompt-card:focus-visible,
.console-run:focus-visible {
  outline: 3px solid rgba(255, 91, 0, 0.34);
  outline-offset: 2px;
}

.site-footer {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 18px;
  padding: 32px 20px 46px;
  color: var(--soft);
  border-top: 1px solid var(--line);
}

.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 650ms ease, transform 650ms cubic-bezier(0.16, 1, 0.3, 1);
}

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

@keyframes meshDrift {
  from { background-position: 0 0, 0 0, 0 0; }
  to { background-position: 0 0, 92px 0, 0 72px; }
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

@keyframes pulseBeam {
  0%, 100% { opacity: 0.24; width: 24%; }
  50% { opacity: 0.9; width: 42%; }
}

@keyframes barLift {
  0%, 100% { transform: scaleY(0.72); opacity: 0.58; }
  50% { transform: scaleY(1); opacity: 1; }
}

@media (max-width: 980px) {
  .site-header {
    grid-template-columns: auto auto 1fr;
  }

  .nav-toggle {
    display: inline-grid;
    grid-column: 2;
  }

  .site-nav {
    position: fixed;
    top: 84px;
    left: 16px;
    right: 16px;
    display: none;
    grid-column: 1 / -1;
    padding: 10px;
    border: 1px solid var(--line);
    border-radius: 10px;
    background: color-mix(in srgb, var(--surface-2) 94%, transparent);
    box-shadow: var(--shadow);
  }

  .site-nav.is-open {
    display: grid;
  }

  .site-nav a {
    justify-content: center;
  }

  .header-actions {
    justify-self: end;
  }

  .hero-hud,
  .war-room__metrics,
  .screen-grid,
  .capability-lab,
  .plaza,
  .flowline,
  .company-panel,
  .contact-shell {
    grid-template-columns: 1fr;
  }

  .screen-map {
    min-height: 420px;
  }

  .signal-panel {
    min-height: 260px;
  }

  .module-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .prompt-console {
    position: static;
  }

  .flowline::before {
    display: none;
  }
}

@media (max-width: 680px) {
  .site-header {
    width: calc(100% - 20px);
    gap: 10px;
  }

  .small-cta {
    display: none;
  }

  .hero {
    min-height: 84svh;
    padding: 104px 16px 150px;
  }

  .hero h1 {
    font-size: clamp(50px, 15.2vw, 74px);
  }

  .hero-hud {
    grid-template-columns: 1fr;
  }

  .scroll-cue {
    display: none;
  }

  .section-pad {
    width: min(100% - 24px, var(--max));
  }

  .section-heading {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .section-heading h2,
  .section-heading p {
    grid-column: 1;
  }

  .section-index {
    grid-row: auto;
  }

  .war-room__screen {
    min-height: auto;
  }

  .screen-grid {
    padding: 12px;
  }

  .screen-map {
    min-height: 360px;
  }

  .map-node {
    width: 66px;
    height: 66px;
    font-size: 13px;
  }

  .hub-node {
    width: 90px;
    height: 90px;
  }

  .feature-stage,
  .feature-copy {
    min-height: 520px;
  }

  .module-grid,
  .plaza-grid {
    grid-template-columns: 1fr;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }

  #signal-canvas {
    display: none;
  }
}