:root {
  --bg-color: #111;
  --text-color: #f1f1f1;
  --overlay-color: rgba(0, 0, 0, 0.75);
  --accent-color: #e50914;
}

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

body, html {
  height: 100%;
  font-family: 'Orbitron', sans-serif;
  background-color: var(--bg-color);
  color: var(--text-color);
}

.hero {
  position: relative;
  width: 100%;
  height: 100vh;
  background: url('images/elsecsys-cppro_nobg.png') bottom 10px left 20px no-repeat;
  background-color: var(--bg-color);
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  overflow: hidden;
}

.hero .overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image: url('images/1000_F_381838010_ewztOIKkTlDovmQqqpX6gNB4r59AeJU9.jpg');
  background-size: cover;
  background-position: center;
  opacity: 0.2;
  z-index: 0;
  mix-blend-mode: lighten;
}

.hero .content {
  position: relative;
  z-index: 1;
  max-width: 600px;
  padding: 20px;
  backdrop-filter: blur(3px);
}

.hero h1 {
  font-size: 3rem;
  margin-bottom: 1rem;
  color: var(--accent-color);
}

.hero p {
  font-size: 1.2rem;
  margin-bottom: 2rem;
}

.contact a {
  color: var(--accent-color);
  text-decoration: none;
}

@media (max-width: 600px) {
  .hero h1 {
    font-size: 2rem;
  }

  .hero p {
    font-size: 1rem;
  }
}