body {
  margin: 0;
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  background-color: #f5f7fa;
  color: #333;
}

.container {
  width: 90%;
  max-width: 1200px;
  margin: 0 auto;
}

header.sticky-header {
  position: sticky;
  top: 0;
  background: linear-gradient(90deg, #ff5722, #e91e63);
  color: #fff;
  padding: 15px 0;
  z-index: 999;
  box-shadow: 0 2px 10px rgba(0,0,0,0.2);
}

.logo {
  font-size: 2.7rem;
  margin: 0;
  font-weight: bold;
}

.navbar ul {
  display: flex;
  flex-wrap: wrap;
  list-style: none;
  padding: 0;
  margin: 10px 0 0;
}

.navbar li {
  margin: 0 15px;
}

.navbar a {
  color: #fff;
  text-decoration: none;
  font-weight: 600;
  transition: color 0.3s ease;
}

.navbar a:hover {
  color: #ffff99;
}

.hero-section {
  background: linear-gradient(135deg, #673ab7, #3f51b5);
  color: white;
  padding: 70px 20px;
  text-align: center;
}

.hero-section h2 {
  font-size: 2.8rem;
  margin-bottom: 20px;
}

.cta-button {
  display: inline-block;
  margin-top: 20px;
  padding: 12px 25px;
  background-color: #00e676;
  color: #000;
  font-weight: bold;
  text-decoration: none;
  border-radius: 8px;
  font-size: 1rem;
  transition: background-color 0.3s ease, transform 0.2s ease;
}

.cta-button:hover {
  background-color: #00c853;
  transform: scale(1.05);
}

main {
  padding: 50px 20px;
  background: #fff;
}

h2 {
  font-size: 2rem;
  color: #222;
  border-bottom: 3px solid #ff9800;
  padding-bottom: 10px;
}

ul {
  padding-left: 25px;
  margin-top: 10px;
}

section {
  margin-bottom: 40px;
}

footer {
  text-align: center;
  padding: 25px;
  background: linear-gradient(90deg, #e91e63, #9c27b0);
  color: white;
  font-weight: bold;
  font-size: 1rem;
}