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

body {
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  background-color: #121212;
  color: #ffffff;
  line-height: 1.6;
  padding: 20px;
}

/* Header */
header {
  background: #181818;
  padding: 20px;
  text-align: center;
  border-bottom: 2px solid #e67e22;
}
header h1 {
  color: #e67e22;
  font-size: 28px;
}

/* Navigation */
nav ul {
  list-style: none;
  display: flex;
  justify-content: center;
  gap: 30px;
  margin-top: 10px;
}
nav ul li a {
  color: #fff;
  font-weight: bold;
  transition: color 0.3s ease;
}
nav ul li a:hover {
  color: #e67e22;
}

/* Main */
main {
  max-width: 800px;
  margin: 20px auto;
}

/* Sections */
section {
  background: #1f1f1f;
  padding: 20px;
  margin-bottom: 20px;
  border-left: 4px solid #e67e22;
  border-radius: 8px;
}
section h2, section h3 {
  color: #e67e22;
  margin-bottom: 10px;
}
ul {
  padding-left: 20px;
  list-style: disc;
}

/* Forms */
form {
  background-color: #232323;
  max-width: 400px;
  margin: 40px auto;
  padding: 30px;
  border: 1px solid #e67e22;
  border-radius: 12px;
  box-shadow: 0 0 10px rgba(230, 126, 34, 0.5);
}
form label {
  display: block;
  margin-bottom: 8px;
  color: #e67e22;
}
form input {
  width: 100%;
  padding: 10px;
  margin-bottom: 18px;
  border: 1px solid #444;
  border-radius: 6px;
  background-color: #2a2a2a;
  color: #fff;
}
form input:focus {
  outline: none;
  border: 1px solid #e67e22;
}

/* Buttons */
button, .btn {
  width: 100%;
  background-color: #e67e22;
  color: #fff;
  font-weight: bold;
  padding: 12px;
  border: none;
  border-radius: 6px;
  cursor: pointer;
  transition: all 0.3s ease;
  text-transform: uppercase;
  box-shadow: 0 0 10px #e67e22;
}
button:hover, .btn:hover {
  background-color: #cf711b;
  box-shadow: 0 0 20px #cf711b;
}

/* Footer */
footer {
  text-align: center;
  padding: 20px;
  font-size: 14px;
  color: #aaa;
  border-top: 1px solid #444;
  margin-top: 40px;
}

/* Links */
a {
  color: #e67e22;
  text-decoration: none;
}
a:hover {
  color: #ffaa00;
}