:root {
  --bg: #0b1020;
  --bg-soft: #111831;
  --card: rgba(255, 255, 255, 0.08);
  --text: #f4f7fb;
  --muted: #b6c2d9;
  --primary: #4ea4ff;
  --secondary: #7a5cff;
  --border: rgba(255, 255, 255, 0.12);
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: Arial, Helvetica, sans-serif;
  color: var(--text);
  background: linear-gradient(180deg, #08101f 0%, #0b1020 100%);
  line-height: 1.6;
}

.container {
  width: min(1100px, 92%);
  margin: 0 auto;
}

.hero,
.subhero {
  background:
    radial-gradient(circle at top right, rgba(122, 92, 255, 0.18), transparent 30%),
    radial-gradient(circle at top left, rgba(78, 164, 255, 0.18), transparent 35%),
    linear-gradient(180deg, #0f1831 0%, #09101f 100%);
}

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

.logo {
  font-size: 1.35rem;
  font-weight: 700;
}

.nav-links {
  list-style: none;
  display: flex;
  gap: 22px;
}

.nav-links a {
  color: var(--text);
  text-decoration: none;
}

.hero-content {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 32px;
  align-items: center;
  padding: 42px 0 70px;
}

.badge {
  display: inline-block;
  padding: 8px 14px;
  border: 1px solid var(--border);
  border-radius: 999px;
  margin-bottom: 18px;
  color: var(--muted);
  background: rgba(255,255,255,0.04);
}

h1 {
  font-size: 3rem;
  line-height: 1.15;
  margin-bottom: 18px;
}

h2 {
  font-size: 2rem;
  margin-bottom: 14px;
}

h3 {
  font-size: 1.2rem;
  margin-bottom: 10px;
}

p {
  color: var(--muted);
}

.hero-buttons {
  display: flex;
  gap: 14px;
  margin-top: 26px;
  flex-wrap: wrap;
}

.btn {
  display: inline-block;
  padding: 12px 20px;
  border-radius: 10px;
  text-decoration: none;
  font-weight: 700;
  border: none;
  cursor: pointer;
}

.btn.primary {
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  color: white;
}

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

.product-card,
.card,
.highlight-box {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 18px;
  backdrop-filter: blur(8px);
}

.product-card {
  position: relative;
  min-height: 300px;
  display: grid;
  place-items: center;
  overflow: hidden;
}

.glow {
  position: absolute;
  width: 220px;
  height: 220px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(78,164,255,0.55) 0%, rgba(122,92,255,0.08) 55%, transparent 70%);
  filter: blur(12px);
}

.device {
  position: relative;
  width: 260px;
  height: 150px;
  border-radius: 26px;
  background: linear-gradient(145deg, #131c37, #050813);
  border: 1px solid rgba(255,255,255,0.14);
  box-shadow: 0 15px 40px rgba(0,0,0,0.45);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  align-items: center;
  padding-bottom: 18px;
}

.device-top {
  position: absolute;
  top: 18px;
  width: 70%;
  height: 10px;
  border-radius: 999px;
  background: rgba(255,255,255,0.08);
}

.device-led {
  position: absolute;
  bottom: 18px;
  left: 24px;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: #4ea4ff;
  box-shadow: 0 0 12px #4ea4ff;
}

.section {
  padding: 72px 0;
}

.alt {
  background: rgba(255,255,255,0.02);
}

.section-title {
  text-align: center;
  margin-bottom: 34px;
}

.grid {
  display: grid;
  gap: 22px;
}

.grid.three {
  grid-template-columns: repeat(3, 1fr);
}

.grid.two {
  grid-template-columns: repeat(2, 1fr);
}

.card {
  padding: 24px;
}

.split {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 28px;
  align-items: center;
}

.feature-list {
  list-style: none;
  display: grid;
  gap: 14px;
}

.feature-list li {
  padding: 14px 18px;
  border: 1px solid var(--border);
  background: rgba(255,255,255,0.04);
  border-radius: 12px;
}

.page-intro {
  padding: 24px 0 48px;
}

.highlight-box {
  padding: 28px;
  margin-top: 26px;
}

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

.contact-form input,
.contact-form textarea {
  width: 100%;
  padding: 12px 14px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: rgba(255,255,255,0.05);
  color: var(--text);
}

.footer {
  border-top: 1px solid var(--border);
  padding: 24px 0;
  background: rgba(0,0,0,0.22);
}

.footer-wrap {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  flex-wrap: wrap;
}

@media (max-width: 900px) {
  .hero-content,
  .grid.three,
  .grid.two,
  .split {
    grid-template-columns: 1fr;
  }

  h1 {
    font-size: 2.2rem;
  }

  .navbar {
    flex-direction: column;
    gap: 16px;
  }

  .nav-links {
    flex-wrap: wrap;
    justify-content: center;
  }
}