body {
  margin: 0;
  font-family: Arial, Helvetica, sans-serif;
  background: #0b1b2b;
  color: #fff;
}

.hero {
  padding: 80px 20px;
  text-align: center;
  background: linear-gradient(rgba(0,0,0,0.65), rgba(0,0,0,0.65));
  border-bottom: 4px solid #00c2ff;
}

h1, h2, h3 {
  color: #00e0ff;
}

.container {
  max-width: 1100px;
  margin: auto;
  padding: 20px;
}

.card {
  background: #12263a;
  border-radius: 12px;
  padding: 20px;
  border: 1px solid rgba(0,200,255,0.2);
}

button {
  background: linear-gradient(90deg, #00c2ff, #00ffb3);
  border: none;
  padding: 10px 14px;
  border-radius: 8px;
  cursor: pointer;
  font-weight: bold;
}
.hero {
  position: relative;
  padding: 80px 20px;
  text-align: center;
  border-bottom: 4px solid #00c2ff;
  overflow: hidden;
  color: #fff;
}

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

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: rgba(0,0,0,0.6);
  z-index: 0;
}

.hero h1,
.hero p {
  position: relative;
  z-index: 1;
}