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

body {
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  background-color: #0d1117;
  color: #fff;
  line-height: 1.6;
}

/* Header */
header {
  background: #161b22;
  padding: 20px 0;
}

.container {
  width: 90%;
  max-width: 1200px;
  margin: auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  font-size: 1.5rem;
  font-weight: bold;
  color: #58a6ff;
}

nav ul {
  display: flex;
  list-style: none;
}

nav ul li {
  margin-left: 30px;
}

nav ul li a {
  color: #c9d1d9;
  text-decoration: none;
  transition: color 0.3s ease;
}

nav ul li a:hover {
  color: #58a6ff;
}

/* Hero Section */
.hero {
  padding: 100px 0;
  text-align: center;
  background: linear-gradient(145deg, #0d1117 0%, #161b22 100%);
}

.hero h1 {
  font-size: 2.5rem;
  margin-bottom: 20px;
}

.hero p {
  font-size: 1.1rem;
  color: #8b949e;
  margin-bottom: 40px;
}

.btn {
  display: inline-block;
  padding: 15px 30px;
  background-color: #238636;
  color: #fff;
  text-decoration: none;
  border-radius: 5px;
  font-weight: bold;
  transition: background-color 0.3s ease;
}

.btn:hover {
  background-color: #2ea043;
}