header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(9, 13, 22, 0.75);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border-soft);
}

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

.navlinks {
  display: flex;
  gap: 32px;
  font-size: 14px;
  color: var(--text-muted);
}

.navlinks a {
  transition: color var(--transition);
}

.navlinks a:hover {
  color: var(--text);
}

.nav-right {
  display: flex;
  align-items: center;
  gap: 16px;
}

.hero {
  padding: 96px 0 72px;
  position: relative;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 56px;
  align-items: center;
}

.hero h1 {
  font-size: 68px;
  margin-bottom: 22px;
}

.hero h1 .accent {
  color: var(--radar);
  text-shadow: 0 0 40px rgba(45, 212, 255, 0.35);
}

.hero p {
  color: var(--text-muted);
  font-size: 17px;
  max-width: 460px;
  margin-bottom: 32px;
}

.hero-actions {
  display: flex;
  gap: 14px;
}

.section-head {
  margin-bottom: 52px;
  max-width: 560px;
}

.section-head .eyebrow {
  color: var(--radar);
}

.section-head h2 {
  font-size: 40px;
}

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

.alarm-section {
  background: linear-gradient(180deg, var(--bg-panel-2), var(--bg));
  border-top: 1px solid var(--border-soft);
  border-bottom: 1px solid var(--border-soft);
}

.alarm-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 56px;
  align-items: center;
}

.pricing {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}

footer {
  border-top: 1px solid var(--border-soft);
  padding: 48px 0;
  text-align: center;
  color: var(--text-muted);
  font-size: 13px;
}

footer .logo {
  justify-content: center;
  margin-bottom: 16px;
}

@media (max-width: 860px) {
  .navlinks {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    background: var(--bg-panel);
    border-bottom: 1px solid var(--border);
    padding: 16px 24px;
    gap: 16px;
    display: none;
  }

  .navlinks.open {
    display: flex;
  }

  .burger {
    display: block;
  }

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

  .hero h1 {
    font-size: 44px;
  }

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

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

@media (max-width: 520px) {
  .pricing {
    grid-template-columns: 1fr;
  }
}