@import url('https://fonts.googleapis.com/css2?family=Orbitron:wght@600&family=Roboto:wght@400;500&display=swap');

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

body {
  background: #000;
  color: #fff;
  font-family: 'Roboto', sans-serif;
  overflow-x: hidden;
}

header {
  position: fixed;
  width: 100%;
  top: 0;
  padding: 15px 60px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: rgba(0,0,0,0.6);
  backdrop-filter: blur(10px);
  z-index: 1000;
}

.logo {
  height: 55px;
}

nav a {
  color: #0af;
  text-decoration: none;
  margin: 0 15px;
  font-weight: 500;
  transition: 0.3s;
}
nav a:hover { color: #fff; }

.hero {
  height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  background: radial-gradient(circle at top, #001133, #000);
}

.title {
  font-family: 'Orbitron', sans-serif;
  font-size: 4rem;
  color: #00aaff;
  text-shadow: 0 0 30px #00aaff;
}
.title span { color: #0077ff; }

.subtitle {
  margin-top: 20px;
  font-size: 1.2rem;
  color: #aaa;
}

.btn {
  margin-top: 30px;
  padding: 12px 25px;
  background: linear-gradient(90deg, #00aaff, #00ffcc);
  border-radius: 10px;
  color: #000;
  font-weight: bold;
  text-decoration: none;
  transition: 0.3s;
}
.btn:hover {
  box-shadow: 0 0 20px #00aaff;
  transform: scale(1.05);
}

.features, .about, .contact {
  text-align: center;
  padding: 100px 20px;
}

.features h2, .about h2, .contact h2 {
  font-family: 'Orbitron', sans-serif;
  font-size: 2.5rem;
  color: #00aaff;
  text-shadow: 0 0 10px #0077ff;
  margin-bottom: 40px;
}

.card-container {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 25px;
}

.card {
  width: 280px;
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(0,170,255,0.3);
  border-radius: 12px;
  padding: 25px;
  transition: 0.4s;
}
.card:hover {
  box-shadow: 0 0 20px rgba(0,170,255,0.4);
  transform: translateY(-5px);
}

.about p {
  max-width: 700px;
  margin: 0 auto;
  font-size: 1.1rem;
  color: #ccc;
}

footer {
  text-align: center;
  paddin