:root {
  color-scheme: dark;
  --bg: #050608;
  --panel: rgba(255, 255, 255, 0.06);
  --panel-strong: rgba(255, 255, 255, 0.10);
  --text: #f7f8fb;
  --muted: rgba(247, 248, 251, 0.66);
  --soft: rgba(247, 248, 251, 0.42);
  --blue: #0a9dff;
  --green: #37dc69;
  --yellow: #ffbd31;
  --line: rgba(255, 255, 255, 0.12);
  --radius: 28px;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  color: var(--text);
  background:
    radial-gradient(circle at 22% 0%, rgba(10, 157, 255, 0.25), transparent 34rem),
    radial-gradient(circle at 88% 18%, rgba(55, 220, 105, 0.13), transparent 28rem),
    linear-gradient(180deg, #0d1118 0%, var(--bg) 42%, #020304 100%);
}

a {
  color: inherit;
}

.shell {
  width: min(1080px, calc(100% - 36px));
  margin: 0 auto;
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 24px 0;
  gap: 16px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  font-weight: 900;
  letter-spacing: -0.04em;
  font-size: 24px;
}

.brand img {
  width: 46px;
  height: 46px;
  border-radius: 14px;
  box-shadow: 0 18px 36px rgba(0, 0, 0, 0.38);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.nav-links a,
.button {
  text-decoration: none;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.06);
  padding: 10px 14px;
  border-radius: 999px;
  color: var(--muted);
  font-size: 14px;
  font-weight: 800;
}

.button.primary {
  color: #fff;
  border: 0;
  background: linear-gradient(135deg, var(--blue), #0b43ff);
  box-shadow: 0 18px 34px rgba(10, 91, 255, 0.28);
}

.hero {
  padding: 54px 0 58px;
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  align-items: center;
  gap: 42px;
}

.eyebrow {
  color: var(--green);
  font-weight: 900;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-size: 12px;
}

h1 {
  margin: 12px 0 16px;
  font-size: clamp(44px, 8vw, 84px);
  line-height: 0.92;
  letter-spacing: -0.075em;
}

h2 {
  margin: 0 0 16px;
  font-size: clamp(28px, 4vw, 46px);
  letter-spacing: -0.055em;
  line-height: 1;
}

h3 {
  margin: 0 0 8px;
  font-size: 19px;
  letter-spacing: -0.03em;
}

p {
  color: var(--muted);
  line-height: 1.62;
  margin: 0;
}

.lead {
  font-size: 19px;
  max-width: 660px;
}

.actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 28px;
}

.phone-card {
  min-height: 440px;
  border-radius: 44px;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.08), rgba(255, 255, 255, 0.02)),
    #090b0f;
  border: 1px solid var(--line);
  box-shadow: 0 34px 90px rgba(0, 0, 0, 0.48);
  padding: 26px;
  position: relative;
  overflow: hidden;
}

.map-lines {
  position: absolute;
  inset: 0;
  opacity: 0.36;
  background:
    linear-gradient(35deg, transparent 0 43%, rgba(10, 157, 255, 0.85) 43.4% 45%, transparent 45.4%),
    linear-gradient(110deg, transparent 0 50%, rgba(255, 255, 255, 0.15) 50.2% 51%, transparent 51.2%),
    repeating-linear-gradient(18deg, transparent 0 42px, rgba(255, 255, 255, 0.08) 43px, transparent 45px);
}

.hud {
  position: relative;
  margin-top: 210px;
  padding: 20px;
  border-radius: 28px;
  background: rgba(0, 0, 0, 0.72);
  border: 1px solid rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(18px);
}

.hud-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
}

.speed {
  width: 86px;
  height: 86px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  border: 8px solid var(--green);
  font-size: 34px;
  font-weight: 950;
}

.status {
  flex: 1;
}

.status strong {
  display: block;
  color: var(--green);
  font-size: 25px;
  letter-spacing: -0.04em;
}

.pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 12px;
  padding: 8px 12px;
  border-radius: 999px;
  background: rgba(10, 157, 255, 0.16);
  color: #55bdff;
  font-weight: 900;
}

.grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin: 18px 0 54px;
}

.card,
.content-card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 24px;
  box-shadow: 0 24px 64px rgba(0, 0, 0, 0.22);
}

.card .icon {
  width: 44px;
  height: 44px;
  border-radius: 15px;
  display: grid;
  place-items: center;
  background: var(--panel-strong);
  margin-bottom: 18px;
}

.page {
  padding: 38px 0 72px;
}

.content-card {
  max-width: 860px;
  margin: 18px auto 0;
}

.content-card h1 {
  font-size: clamp(36px, 6vw, 58px);
  margin-bottom: 18px;
}

.content-card h2 {
  font-size: 26px;
  margin-top: 34px;
}

.content-card ul {
  color: var(--muted);
  line-height: 1.7;
  padding-left: 20px;
}

.notice {
  border-left: 4px solid var(--yellow);
  padding: 14px 16px;
  background: rgba(255, 189, 49, 0.10);
  border-radius: 16px;
  margin: 20px 0;
}

.footer {
  border-top: 1px solid var(--line);
  padding: 26px 0 38px;
  color: var(--soft);
  font-weight: 700;
  font-size: 13px;
  display: flex;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}

@media (max-width: 820px) {
  .hero {
    grid-template-columns: 1fr;
    padding-top: 28px;
  }

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

  .nav {
    align-items: flex-start;
    flex-direction: column;
  }

  .nav-links {
    justify-content: flex-start;
  }
}