/* === Header === */
header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 15px 5px;
  background: rgba(22, 27, 34, 0.85);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(240, 185, 11, 0.2);
  box-shadow: 0 4px 8px rgba(0,0,0,0.85);
  position: sticky;
  top: 0;
  z-index: 10;
}
header h1 {
  color: #f0b90b;
  margin: 0;
  font-size: 20px;
  font-weight: bold;
}
nav a {
  margin: 0 10px;
  color: inherit;
  text-decoration: none;
  font-weight: 500;
  font-size: 14px;
}
nav a:hover {
  color: #f0b90b;
}
.theme-toggle {
  cursor: pointer;
  padding: 6px 12px;
  background: #f0b90b;
  border: none;
  border-radius: 20px;
  font-size: 12px;
  font-weight: bold;
}

/* === Footer === */
footer {
  background: #161b22;
  padding: 20px;
  margin-top: 20px;
}
footer .links {
  display: flex;
  justify-content: space-around;
  flex-wrap: wrap;
}
footer h4 {
  margin-bottom: 8px;
  color: #f0b90b;
  font-size: 14px;
}
footer a {
  display: block;
  color: #bbb;
  font-size: 12px;
  text-decoration: none;
  margin: 3px 0;
}
footer a:hover {
  color: #fff;
}
footer p {
  text-align: center;
  margin-top: 10px;
  color: #888;
  font-size: 12px;
}

/* === Responsive Adjustments === */
@media(max-width: 600px) {
  header h1 {
    font-size: 16px;
  }
  nav a {
    font-size: 12px;
    margin: 0 6px;
  }
}