body, html {
  height: 100%;
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: 'Segoe UI', 'Roboto', Arial, sans-serif;
  background: #0a0f1a;
  overflow: hidden;
}

#tech-bg {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  z-index: 0;
  display: block;
}

.overlay {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  z-index: 2;
  text-align: center;
  color: #fff;
  background: rgba(10, 15, 26, 0.7);
  padding: 2.5rem 2rem;
  border-radius: 1.5rem;
  box-shadow: 0 8px 32px 0 rgba(31, 38, 135, 0.37);
  max-width: 90vw;
  width: 420px;
}

h1 {
  font-size: 2.8rem;
  margin-bottom: 0.5rem;
  letter-spacing: 2px;
  font-weight: 700;
}

.subtitle {
  font-size: 1.1rem;
  margin-bottom: 1.5rem;
  color: #7ecfff;
}

.company-overview {
  font-size: 1rem;
  color: #c7d0e0;
  margin-top: 1rem;
  line-height: 1.6;
}

@media (max-width: 600px) {
  .overlay {
    padding: 1.2rem 0.5rem;
    width: 98vw;
  }
  h1 {
    font-size: 2rem;
  }
}