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

body {
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  background: linear-gradient(to right, #0f2027, #203a43, #2c5364);
  color: #fff;
  line-height: 1.6;
  background-attachment: fixed;
  background-size: cover;
}

/* ========== Header ========== */
header {
  background: rgba(0, 0, 0, 0.7);
  color: white;
  text-align: center;
  padding: 30px 20px;
  backdrop-filter: blur(4px);
  border-bottom: 2px solid #00ffcc;
}

header h1 {
  font-size: 2.5em;
  color: #00ffcc;
}

header p {
  margin-top: 8px;
  font-size: 1.1em;
}

/* ========== Navigation ========== */
nav {
  background-color: rgba(0, 0, 0, 0.5);
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  backdrop-filter: blur(3px);
}

nav a {
  color: #fff;
  padding: 15px 20px;
  text-decoration: none;
  transition: background 0.3s;
}

nav a:hover {
  background-color: #00ffcc;
  color: #000;
}

/* ========== Container Section ========== */
.container {
  max-width: 1000px;
  margin: 40px auto;
  padding: 25px;
  background: rgba(255, 255, 255, 0.08);
  border-radius: 15px;
  box-shadow: 0 4px 25px rgba(0, 0, 0, 0.2);
  backdrop-filter: blur(8px);
}

h2 {
  margin-bottom: 15px;
  color: #00ffcc;
}

ul {
  list-style-type: square;
  padding-left: 20px;
  margin-top: 10px;
}

p {
  margin-bottom: 12px;
  color: #ddd;
}

/* ========== Form Inputs ========== */
form {
  margin-top: 20px;
}

input[type="text"] {
  width: 100%;
  padding: 12px;
  margin-bottom: 12px;
  border: 1px solid #ccc;
  border-radius: 10px;
  font-size: 1em;
  background-color: rgba(255, 255, 255, 0.9);
}

button {
  padding: 12px 25px;
  background-color: #00ffcc;
  color: #000;
  border: none;
  border-radius: 10px;
  font-size: 1em;
  cursor: pointer;
  transition: background 0.3s;
}

button:hover {
  background-color: #00ccaa;
  color: #000;
}

/* ========== Footer ========== */
footer {
  background-color: rgba(0, 0, 0, 0.7);
  color: white;
  text-align: center;
  padding: 20px;
  margin-top: 60px;
  border-top: 2px solid #00ffcc;
}