:root {
  color-scheme: dark;
  --navy: #041326;
  --panel: #092744;
  --blue: #0b6cff;
  --orange: #ff7600;
  --white: #f7fbff;
  --muted: #a9bed1;
  --line: rgba(158, 199, 231, 0.18);
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  min-width: 320px;
  background:
    radial-gradient(circle at 78% 25%, rgba(11, 108, 255, 0.13), transparent 30rem),
    linear-gradient(145deg, #061a31 0%, var(--navy) 58%, #020b16 100%);
  color: var(--white);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 16px;
  line-height: 1.6;
}

a { color: inherit; }

.site-header {
  width: min(1180px, calc(100% - 40px));
  margin: 0 auto;
  min-height: 92px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--line);
}

.brand img { display: block; width: clamp(220px, 25vw, 320px); height: auto; }

.status {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--muted);
  font-size: 0.9rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.status span {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--orange);
  box-shadow: 0 0 18px rgba(255, 118, 0, 0.8);
}

main, footer { width: min(1180px, calc(100% - 40px)); margin: 0 auto; }

.hero {
  min-height: 680px;
  padding: 88px 0 76px;
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(310px, 0.65fr);
  gap: 72px;
  align-items: center;
}

.eyebrow {
  margin: 0 0 16px;
  color: var(--orange);
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  font-size: 0.82rem;
}

h1, h2, h3, p { text-wrap: pretty; }

h1 {
  margin: 0;
  max-width: 770px;
  font-size: clamp(3.5rem, 7.7vw, 7.15rem);
  line-height: 0.92;
  letter-spacing: -0.065em;
}

h1 em { color: var(--orange); font-style: normal; }

.intro {
  max-width: 680px;
  margin: 34px 0 0;
  color: #c2d4e3;
  font-size: clamp(1.1rem, 1.7vw, 1.35rem);
  line-height: 1.65;
}

.hero-actions { display: flex; align-items: center; gap: 24px; margin-top: 36px; color: var(--muted); }

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 50px;
  padding: 0 24px;
  border-radius: 6px;
  background: var(--blue);
  color: white;
  font-weight: 800;
  text-decoration: none;
  transition: transform 160ms ease, background 160ms ease;
}

.button:hover, .button:focus-visible { background: #2780ff; transform: translateY(-2px); }

.signal-card {
  position: relative;
  padding: 24px;
  border: 1px solid rgba(76, 157, 255, 0.34);
  border-radius: 18px;
  background: linear-gradient(150deg, rgba(13, 51, 84, 0.92), rgba(5, 25, 45, 0.94));
  box-shadow: 0 24px 80px rgba(0, 0, 0, 0.3);
  overflow: hidden;
}

.card-top { display: flex; justify-content: space-between; color: var(--muted); font-size: 0.85rem; text-transform: uppercase; letter-spacing: 0.08em; }
.card-top strong { color: var(--orange); }

.radar { position: relative; width: 230px; height: 230px; margin: 32px auto; }
.ring { position: absolute; border: 1px solid rgba(82, 158, 255, 0.38); border-radius: 50%; inset: 0; }
.ring-two { inset: 38px; }
.ring-three { inset: 76px; }
.needle { position: absolute; width: 48%; height: 3px; left: 50%; top: 50%; background: linear-gradient(90deg, var(--orange), transparent); transform-origin: left center; transform: rotate(-35deg); }
.center { position: absolute; left: calc(50% - 7px); top: calc(50% - 7px); width: 14px; height: 14px; border-radius: 50%; background: var(--orange); box-shadow: 0 0 24px rgba(255, 118, 0, 0.9); }
.signal-card > p { margin: 0; padding: 13px 0; border-top: 1px solid var(--line); color: #d6e5f1; font-weight: 700; }

.about { padding: 110px 0; border-top: 1px solid var(--line); }
h2 { margin: 0; max-width: 770px; font-size: clamp(2.25rem, 4vw, 4rem); line-height: 1.08; letter-spacing: -0.04em; }
.features { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; margin-top: 56px; }
.features article { padding: 28px; min-height: 250px; border: 1px solid var(--line); border-radius: 14px; background: rgba(8, 37, 64, 0.62); }
.features article > span { color: var(--orange); font-size: 0.82rem; font-weight: 800; }
.features h3 { margin: 38px 0 12px; font-size: 1.35rem; }
.features p { margin: 0; color: var(--muted); }

.coming-soon { margin: 20px 0 96px; padding: clamp(32px, 6vw, 72px); border-radius: 18px; background: var(--blue); }
.coming-soon .eyebrow { color: #bcd7ff; }
.coming-soon h2 { max-width: 850px; }
.coming-soon > p:last-child { max-width: 720px; margin: 22px 0 0; font-size: 1.1rem; color: #dceaff; }

footer { min-height: 130px; display: flex; align-items: center; justify-content: space-between; gap: 30px; border-top: 1px solid var(--line); color: var(--muted); }
footer img { width: 190px; height: auto; }
footer p { margin: 0; }

@media (max-width: 820px) {
  .site-header { min-height: 78px; }
  .status { font-size: 0; gap: 0; }
  .hero { min-height: auto; grid-template-columns: 1fr; gap: 52px; padding: 70px 0; }
  .signal-card { max-width: 500px; width: 100%; }
  .features { grid-template-columns: 1fr; }
  .features article { min-height: auto; }
}

@media (max-width: 520px) {
  .site-header, main, footer { width: min(100% - 28px, 1180px); }
  .brand img { width: 205px; }
  h1 { font-size: clamp(3.15rem, 16vw, 4.5rem); }
  .hero-actions { align-items: flex-start; flex-direction: column; }
  .radar { width: 190px; height: 190px; }
  footer { padding: 32px 0; align-items: flex-start; flex-direction: column; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition: none !important; }
}