* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: 'Arial', sans-serif;
}

body {
  background-color: #000;
  color: #fff;
  overflow-x: hidden;
}

/* --- HERO PAGE --- */
.hero {
  position: relative;
  height: 100vh;
  display: flex;
  justify-content: center;
  align-items: center;
  text-align: center;
}

.bg-video {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: -1;
}

.overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0,0,0,0.5);
}

.content {
  z-index: 1;
}

h1 {
  font-size: 60px;
  margin-bottom: 20px;
}

p {
  font-size: 20px;
  margin-bottom: 30px;
}

.btn {
  background-color: #00b894;
  color: white;
  padding: 12px 28px;
  text-decoration: none;
  border-radius: 8px;
  font-size: 18px;
  transition: 0.3s;
}

.btn:hover {
  background-color: #019870;
}

/* --- DEVICE PAGE --- */
.top-bar {
  padding: 20px;
  background: #111;
  text-align: center;
  border-bottom: 1px solid #222;
}

.device-container {
  text-align: center;
  padding: 40px;
}

.device-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 20px;
  max-width: 800px;
  margin: 40px auto;
}

.device-card {
  background: #111;
  border: 1px solid #222;
  border-radius: 10px;
  padding: 20px;
  transition: 0.3s;
  cursor: pointer;
}

.device-card:hover {
  background: #00b894;
}

.device-card img {
  width: 80px;
  height: 80px;
  margin-bottom: 10px;
}

/* --- VERIFY PAGE --- */
.verify-page {
  text-align: center;
  padding-top: 200px;
}

.verify-page h1 {
  font-size: 36px;
  margin-bottom: 10px;
}

.verify-page p {
  font-size: 18px;
  color: #ccc;
}