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

html {
  scroll-behavior: smooth;
}

body {
  font-family: "Segoe UI", Arial, sans-serif;
  background: url("assets/nebula.jpg") center/cover no-repeat fixed;
  color: white;
  letter-spacing: 0.5px;
  position: relative;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.55);
  z-index: -1;
}

.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 40px 20px;
}

.hero-content {
  max-width: 800px;
}

.logo {
  width: 260px;
  max-width: 80%;
  margin-bottom: 35px;
  filter: drop-shadow(0 0 20px #00ff66);
}

.tagline {
  font-size: 22px;
  color: #dddddd;
  margin-bottom: 45px;
}

.btn {
  display: inline-block;
  padding: 16px 45px;
  background: #00ff66;
  color: black;
  font-weight: 600;
  text-decoration: none;
  border-radius: 6px;
  transition: all 0.3s ease;
}

.btn:hover {
  background: #00cc55;
  transform: translateY(-4px);
  box-shadow: 0 10px 30px rgba(0,255,102,0.3);
}

.section {
  padding: 120px 20px;
  text-align: center;
  max-width: 850px;
  margin: auto;
  background: transparent;
}

.section h2 {
  color: #00ff66;
  margin-bottom: 30px;
  font-size: 28px;
  letter-spacing: 2px;
  text-transform: uppercase;
}

.section p {
  color: #cccccc;
  line-height: 1.8;
  font-size: 18px;
}

.contact {
  padding: 110px 20px;
  text-align: center;
  background: transparent;
}

.contact a {
  color: #00ff66;
  text-decoration: none;
  font-weight: 600;
  font-size: 20px;
}

footer {
  text-align: center;
  padding: 60px 20px;
  color: #888;
  font-size: 14px;
}

@media (max-width: 768px) {

  .logo {
    width: 180px;
  }

  .tagline {
    font-size: 18px;
  }

  .btn {
    padding: 14px 30px;
    font-size: 14px;
  }

  .section {
    padding: 80px 20px;
  }

  .section h2 {
    font-size: 22px;
  }

  .section p {
    font-size: 16px;
  }

  .contact {
    padding: 80px 20px;
  }
}