:root {
  --bg: #0b0d0e;
  --card: #121517;
  --green: #2cff7a;
  --silver: #bfc5c9;
  --text: #e6e6e6;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: "Inter", system-ui, sans-serif;
}

body {
  background: var(--bg);
  color: var(--text);
}

nav {
  padding: 20px 40px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

nav a {
  color: var(--silver);
  text-decoration: none;
  margin-left: 20px;
}

nav a:hover {
  color: var(--green);
}

.container {
  max-width: 1100px;
  margin: auto;
  padding: 60px 20px;
}

.card {
  background: var(--card);
  padding: 30px;
  border-radius: 12px;
  margin-top: 20px;
  border: 1px solid #1e2427;
}

h1 {
  color: var(--green);
  margin-bottom: 10px;
}

h2 {
  color: var(--silver);
  margin-bottom: 15px;
}

button {
  background: var(--green);
  color: #000;
  border: none;
  padding: 12px 18px;
  border-radius: 8px;
  cursor: pointer;
  font-weight: 600;
}

button:hover {
  opacity: 0.85;
}

.footer {
  text-align: center;
  padding: 30px;
  color: var(--silver);
  font-size: 14px;
}