/* Reset and Base */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html, body {
  height: 100%;
  font-family: 'Segoe UI', Tahoma, sans-serif;
  display: flex;
  flex-direction: column;
}

/* Slideshow Background */
.slideshow {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  overflow: hidden;
  z-index: 0;
}

.slideshow img {
  position: absolute;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0;
  transition: opacity 1.5s ease-in-out;
}

.slideshow img.active {
  opacity: 1;
}

/* Overlay for better text readability */
.overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.6);
  z-index: 1;
}

/* Header Navigation */
header {
  position: relative;
  z-index: 2;
  background: rgba(0, 0, 0, 0.7);
  color: #fff;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 15px 30px;
}

header .logo {
  font-size: 1.5rem;
  font-weight: bold;
  color: #fff;
}

header nav a {
  color: #fff;
  margin: 0 15px;
  text-decoration: none;
  font-weight: 500;
  transition: color 0.3s ease;
}

header nav a:hover {
  color: #0050C0; /* Blue highlight */
}

/* Main Content */
main {
  flex: 1;
  padding: 50px 30px;
  position: relative;
  z-index: 2;
  color: #fff;
  text-align: center;
}

main h2 {
  font-size: 2rem;
  margin-bottom: 20px;
  color: #0050C0; /* Tech Blue */
}

main p, main ul {
  font-size: 1.1rem;
  line-height: 1.6;
}

main ul {
  list-style: none;
  padding: 0;
}

main ul li::before {
  content: "✔ ";
  color: #0050C0;
}

/* Footer Styling */
footer {
  background: rgba(0, 0, 0, 0.7);
  color: #fff;
  text-align: center;
  padding: 10px;
  font-size: 14px;
  position: relative;
  z-index: 2;
}

/* Buttons (Optional for Contact) */
a.contact-btn {
  display: inline-block;
  margin-top: 15px;
  padding: 12px 20px;
  background: #0050C0;
  color: #fff;
  text-decoration: none;
  border-radius: 5px;
  transition: background 0.3s ease;
}

a.contact-btn:hover {
  background: #003a92;
}

/* Responsive */
@media (max-width: 768px) {
  header {
    flex-direction: column;
    text-align: center;
  }

  header nav {
    margin-top: 10px;
  }

  main {
    padding: 30px 15px;
  }

  main h2 {
    font-size: 1.8rem;
  }
}