```css
@import url('https://fonts.googleapis.com/css2?family=Orbitron:wght@400;500;600;700;800;900&family=Inter:wght@400;500;600;700&display=swap');

:root {
  --bg: #080b12;
  --panel: #111824;
  --line: #273449;
  --text: #f4f7ff;
  --muted: #a1adbf;
  --accent: #c5f467;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: 'Inter', sans-serif;
  line-height: 1.7;
}

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

.navbar {
  min-height: 78px;
  padding: 18px 6%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 20px;
  background: #0b1019;
  border-bottom: 1px solid var(--line);
}

.logo {
  font-family: 'Orbitron', sans-serif;
  font-size: 20px;
  font-weight: 900;
}

.logo span,
h1 span,
h2 span {
  color: var(--accent);
}

nav {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 22px;
}

nav a {
  color: var(--muted);
  font-size: 13px;
}

nav a:hover {
  color: var(--accent);
}

.menu-toggle {
  display: none;
  color: white;
  background: var(--panel);
  border: 1px solid var(--line);
  padding: 8px 12px;
}

.hero {
  min-height: 570px;
  padding: 100px 8%;
  background:
    radial-gradient(ellipse at 80% 30%, #c5f46718, transparent 35%),
    linear-gradient(135deg, #0b111c, #080b12);
}

.tagline {
  color: var(--accent);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 3px;
}

h1,
h2,
h3 {
  font-family: 'Orbitron', sans-serif;
  line-height: 1.3;
}

.hero h1 {
  font-size: clamp(42px, 7vw, 78px);
  line-height: 1.2;
}

.hero-text {
  max-width: 570px;
  color: var(--muted);
}

.btn {
  display: inline-block;
  padding: 12px 20px;
  margin: 8px 8px 8px 0;
  background: var(--accent);
  color: #11170b;
  border: 1px solid var(--accent);
  border-radius: 4px;
  font-weight: 800;
  cursor: pointer;
}

.btn:hover {
  filter: brightness(1.1);
  transform: translateY(-1px);
}

.btn-outline {
  color: var(--text);
  background: transparent;
  border-color: var(--line);
}

.section,
.page-content {
  padding: 70px 7%;
}

.section h2,
.page-content > h1 {
  font-size: clamp(28px, 4vw, 43px);
}

.cards {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
  margin-top: 30px;
}

.card,
.faq-item {
  padding: 25px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
}

.card h3,
.card h2 {
  font-size: 20px;
}

.card p,
.faq-item p {
  color: var(--muted);
  font-size: 14px;
}

.card a {
  color: var(--accent);
}

.card-icon {
  font-size: 32px;
}

.cta {
  text-align: center;
  padding: 65px 20px;
  background: #111a22;
  border-block: 1px solid var(--line);
}

.cta h2 {
  font-size: clamp(24px, 4vw, 40px);
}

.contact-form {
  display: grid;
  gap: 12px;
  max-width: 650px;
}

input,
textarea {
  width: 100%;
  padding: 13px;
  background: #0d131e;
  color: white;
  border: 1px solid var(--line);
  border-radius: 4px;
  font: inherit;
}

input:focus,
textarea:focus {
  outline: 1px solid var(--accent);
}

.faq-item {
  margin: 16px 0;
}

footer {
  padding: 25px 6%;
  background: #0b1019;
  border-top: 1px solid var(--line);
  color: var(--muted);
  text-align: center;
  font-size: 12px;
}

footer a {
  margin: 0 8px;
}

@media (max-width: 760px) {
  .navbar {
    flex-wrap: wrap;
  }

  .menu-toggle {
    display: block;
  }

  nav {
    display: none;
    width: 100%;
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
  }

  nav.open {
    display: flex;
  }

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

  .hero {
    padding: 75px 7%;
  }

  .section,
  .page-content {
    padding: 45px 6%;
  }
}
```