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

/* Body */
body {
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  line-height: 1.6;
  background: linear-gradient(135deg, #0a1428 0%, #1a2c4a 100%);
  color: #e0e0e0;
}

/* Header */
header {
  background: rgba(10, 20, 40, 0.95);
  color: #fff;
  padding: 2rem;
  text-align: center;
  border-bottom: 3px solid #0078d4;
  box-shadow: 0 4px 6px rgba(0, 120, 212, 0.2);
}

header h1 {
  font-size: 2.5rem;
  margin-bottom: 0.5rem;
  color: #0078d4;
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.5);
}

header p {
  font-size: 1.1rem;
  color: #b0b0b0;
}

header p a {
  color: #0078d4;
  text-decoration: none;
  transition: all 0.3s ease;
  font-weight: 500;
}

header p a:hover {
  color: #fff;
  text-decoration: underline;
}

header .header-link {
  font-size: 1rem;
  display: inline-block;
  margin-top: 1rem;
}

/* Main Content */
main {
  max-width: 1200px;
  margin: 3rem auto;
  padding: 0 2rem;
}

section {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(0, 120, 212, 0.3);
  border-radius: 8px;
  padding: 2rem;
  margin-bottom: 2rem;
  backdrop-filter: blur(10px);
  transition: all 0.3s ease;
}

section:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(0, 120, 212, 0.6);
  box-shadow: 0 8px 16px rgba(0, 120, 212, 0.15);
}

section h2 {
  font-size: 2rem;
  color: #0078d4;
  margin-bottom: 1rem;
  border-bottom: 2px solid #0078d4;
  padding-bottom: 0.5rem;
}

section ul {
  list-style: none;
  margin-top: 1rem;
}

section ul li {
  padding: 0.75rem 0;
  padding-left: 1.5rem;
  position: relative;
}

section ul li:before {
  content: "▸";
  position: absolute;
  left: 0;
  color: #0078d4;
  font-weight: bold;
}

section a {
  color: #0078d4;
  text-decoration: none;
  transition: color 0.3s ease;
  font-weight: 500;
}

section a:hover {
  color: #fff;
  text-decoration: underline;
}

section p {
  font-size: 1rem;
  line-height: 1.8;
  color: #d0d0d0;
}

/* Footer */
footer {
  background: rgba(10, 20, 40, 0.95);
  color: #b0b0b0;
  text-align: center;
  padding: 2rem;
  border-top: 3px solid #0078d4;
  margin-top: 3rem;
}

footer a {
  color: #0078d4;
  text-decoration: none;
  transition: color 0.3s ease;
}

footer a:hover {
  color: #fff;
  text-decoration: underline;
}

footer .footer-link {
  font-weight: 600;
}

footer p {
  font-size: 0.95rem;
}

/* Responsive Design */
@media (max-width: 768px) {
  header h1 {
    font-size: 2rem;
  }

  header p {
    font-size: 1rem;
  }

  section {
    padding: 1.5rem;
  }

  section h2 {
    font-size: 1.5rem;
  }

  main {
    padding: 0 1rem;
  }
}