:root {
  color-scheme: dark;
  --bg: #05070a;
  --ink: #f6fbff;
  --muted: #9fb0bd;
  --line: rgba(255, 255, 255, 0.13);
  --cyan: #36d8ff;
  --mint: #5ef5b8;
  --amber: #ffb85a;
  --rose: #ff6b9d;
  --panel: rgba(8, 15, 24, 0.7);
  --panel-solid: #0b121c;
  --shadow: 0 24px 80px rgba(0, 0, 0, 0.42);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  min-width: 320px;
  margin: 0;
  color: var(--ink);
  font-family: Inter, "Noto Sans SC", system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
  background:
    radial-gradient(circle at 82% 18%, rgba(54, 216, 255, 0.22), transparent 26rem),
    radial-gradient(circle at 24% 70%, rgba(255, 184, 90, 0.15), transparent 24rem),
    linear-gradient(145deg, #05070a 0%, #09131a 45%, #040608 100%);
  overflow-x: hidden;
}

body::before {
  position: fixed;
  inset: 0;
  z-index: -3;
  pointer-events: none;
  content: "";
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.04) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: linear-gradient(to bottom, rgba(0, 0, 0, 0.9), transparent 90%);
}

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

#signal-canvas {
  position: fixed;
  inset: 0;
  z-index: -2;
  width: 100%;
  height: 100%;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 24px;
  width: min(1180px, calc(100% - 32px));
  min-height: 76px;
  margin: 0 auto;
  padding: 14px 0;
  backdrop-filter: blur(18px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
}

.brand-mark {
  display: grid;
  width: 42px;
  height: 42px;
  place-items: center;
  border: 1px solid rgba(94, 245, 184, 0.5);
  border-radius: 8px;
  color: #061015;
  font-weight: 800;
  background: linear-gradient(135deg, var(--mint), var(--cyan));
  box-shadow: 0 0 28px rgba(54, 216, 255, 0.24);
}

.brand strong,
.brand small {
  display: block;
}

.brand small {
  margin-top: 2px;
  color: var(--muted);
  font-size: 12px;
  letter-spacing: 0;
}

.site-nav {
  display: flex;
  justify-content: center;
  gap: 28px;
  color: rgba(246, 251, 255, 0.78);
  font-size: 14px;
}

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

.lang-switch {
  display: inline-grid;
  grid-template-columns: repeat(3, 42px);
  gap: 4px;
  padding: 4px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(5, 7, 10, 0.58);
}

.lang-switch button {
  height: 34px;
  border: 0;
  border-radius: 6px;
  color: var(--muted);
  font: inherit;
  font-size: 13px;
  cursor: pointer;
  background: transparent;
}

.lang-switch button.active {
  color: #031217;
  font-weight: 700;
  background: linear-gradient(135deg, var(--cyan), var(--mint));
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(320px, 0.95fr);
  align-items: center;
  gap: 56px;
  width: min(1180px, calc(100% - 32px));
  min-height: calc(100vh - 76px);
  margin: 0 auto;
  padding: 76px 0 72px;
}

.hero-copy {
  max-width: 720px;
}

.eyebrow {
  margin: 0 0 18px;
  color: var(--mint);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  overflow-wrap: anywhere;
}

h1 {
  margin: 0;
  font-size: clamp(64px, 11vw, 132px);
  line-height: 0.92;
  letter-spacing: 0;
}

.hero-lede {
  max-width: 680px;
  margin: 28px 0 0;
  color: rgba(246, 251, 255, 0.82);
  font-size: clamp(19px, 2.2vw, 27px);
  line-height: 1.45;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 36px;
}

.primary-action,
.secondary-action {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 22px;
  border-radius: 8px;
  font-weight: 800;
  line-height: 1.1;
}

.primary-action {
  color: #041116;
  background: linear-gradient(135deg, var(--cyan), var(--mint));
  box-shadow: 0 18px 42px rgba(54, 216, 255, 0.24);
}

.secondary-action {
  border: 1px solid var(--line);
  color: var(--ink);
  background: rgba(255, 255, 255, 0.04);
}

.hero-panel {
  position: relative;
  min-height: 500px;
  padding: 24px;
  border: 1px solid rgba(54, 216, 255, 0.28);
  border-radius: 8px;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.08), transparent 36%),
    var(--panel);
  box-shadow: var(--shadow);
  overflow: hidden;
}

.hero-panel::before {
  position: absolute;
  inset: -20%;
  content: "";
  background:
    conic-gradient(from 210deg, transparent 0 28%, rgba(54, 216, 255, 0.24), transparent 48% 100%),
    radial-gradient(circle, rgba(94, 245, 184, 0.18), transparent 36%);
  animation: rotateField 14s linear infinite;
}

.panel-top,
.metric-grid,
.signal-map {
  position: relative;
  z-index: 1;
}

.panel-top {
  display: flex;
  justify-content: space-between;
  color: rgba(246, 251, 255, 0.72);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0;
}

.live-dot {
  color: var(--mint);
}

.metric-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin-top: 36px;
}

.metric-grid div {
  min-height: 92px;
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(4, 8, 12, 0.56);
}

.metric-grid small {
  display: block;
  min-height: 28px;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.2;
}

.metric-grid strong {
  display: block;
  margin-top: 12px;
  color: var(--ink);
  font-size: 17px;
}

.signal-map {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
  margin-top: 42px;
}

.signal-map span {
  height: 138px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 8px;
  background:
    linear-gradient(135deg, rgba(54, 216, 255, 0.16), transparent),
    repeating-linear-gradient(90deg, rgba(255, 255, 255, 0.12) 0 1px, transparent 1px 18px),
    rgba(255, 255, 255, 0.04);
  animation: pulseTile 3.8s ease-in-out infinite;
}

.signal-map span:nth-child(2) {
  animation-delay: -1s;
  background-color: rgba(255, 184, 90, 0.08);
}

.signal-map span:nth-child(3) {
  animation-delay: -2s;
  background-color: rgba(255, 107, 157, 0.08);
}

.ticker {
  display: flex;
  gap: 18px;
  width: min(1180px, calc(100% - 32px));
  margin: -34px auto 0;
  padding: 16px 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  color: rgba(246, 251, 255, 0.68);
  overflow: auto;
}

.ticker span {
  flex: 0 0 auto;
  padding: 8px 14px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.04);
}

.section {
  width: min(1180px, calc(100% - 32px));
  margin: 0 auto;
  padding: 110px 0 0;
}

.section-heading {
  display: grid;
  grid-template-columns: 0.7fr 1.3fr;
  gap: 32px;
  align-items: start;
  margin-bottom: 34px;
}

.section h2,
.contact-band h2 {
  margin: 0;
  font-size: clamp(34px, 5vw, 64px);
  line-height: 1.03;
  letter-spacing: 0;
}

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

.card {
  min-height: 260px;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(8, 15, 24, 0.68);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.2);
}

.card-index {
  display: inline-block;
  color: var(--amber);
  font-weight: 800;
}

.card h3,
.timeline h3 {
  margin: 28px 0 12px;
  font-size: 22px;
}

.card p,
.timeline p,
.contact-band p {
  margin: 0;
  color: var(--muted);
  line-height: 1.72;
}

.timeline {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.035);
}

.timeline div {
  min-height: 250px;
  padding: 26px;
  border-right: 1px solid var(--line);
}

.timeline div:last-child {
  border-right: 0;
}

.timeline span {
  display: grid;
  width: 40px;
  height: 40px;
  place-items: center;
  border-radius: 50%;
  color: #071116;
  font-weight: 800;
  background: var(--amber);
}

.contact-band {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 28px;
  width: min(1180px, calc(100% - 32px));
  margin: 110px auto 0;
  padding: 42px;
  border: 1px solid rgba(94, 245, 184, 0.3);
  border-radius: 8px;
  background:
    linear-gradient(135deg, rgba(94, 245, 184, 0.12), transparent 42%),
    rgba(8, 15, 24, 0.8);
}

.contact-band p {
  max-width: 760px;
  margin-top: 18px;
}

.site-footer {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 16px;
  width: min(1180px, calc(100% - 32px));
  margin: 0 auto;
  padding: 44px 0 34px;
  color: rgba(246, 251, 255, 0.58);
  font-size: 14px;
}

.site-footer a:hover {
  color: var(--cyan);
}

@keyframes rotateField {
  to {
    transform: rotate(1turn);
  }
}

@keyframes pulseTile {
  0%,
  100% {
    opacity: 0.6;
    transform: translateY(0);
  }

  50% {
    opacity: 1;
    transform: translateY(-6px);
  }
}

@media (max-width: 920px) {
  .site-header {
    grid-template-columns: 1fr auto;
  }

  .site-nav {
    display: none;
  }

  .hero,
  .section-heading,
  .contact-band {
    grid-template-columns: 1fr;
  }

  .hero {
    gap: 32px;
    padding-top: 42px;
  }

  .hero-panel {
    min-height: 430px;
  }

  .solution-grid,
  .timeline {
    grid-template-columns: 1fr;
  }

  .timeline div {
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .timeline div:last-child {
    border-bottom: 0;
  }
}

@media (max-width: 620px) {
  .site-header,
  .hero,
  .ticker,
  .section,
  .contact-band,
  .site-footer {
    width: min(100% - 24px, 1180px);
  }

  .site-header {
    gap: 12px;
  }

  .brand small {
    display: none;
  }

  .lang-switch {
    grid-template-columns: repeat(3, 34px);
  }

  .hero {
    min-height: auto;
    padding-bottom: 48px;
  }

  .hero-panel {
    min-height: 360px;
    padding: 16px;
  }

  .metric-grid {
    grid-template-columns: 1fr;
    margin-top: 24px;
  }

  .signal-map {
    grid-template-columns: 1fr 1fr;
    gap: 10px;
    margin-top: 20px;
  }

  .signal-map span {
    height: 92px;
  }

  .contact-band {
    padding: 28px 20px;
  }
}