:root {
  --bg: #0a0a0f;
  --glass: rgba(255,255,255,0.05);
  --neon: #00f7ff;
  --text: #fff;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: 'Segoe UI', sans-serif;
}

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

/* NAVBAR */
nav {
  display: flex;
  justify-content: space-between;
  padding: 15px 30px;
  backdrop-filter: blur(10px);
  background: var(--glass);
}

nav a {
  color: white;
  text-decoration: none;
  margin: 0 10px;
}

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

/* GLASS CARD */
.card {
  background: var(--glass);
  backdrop-filter: blur(12px);
  border-radius: 15px;
  padding: 20px;
  transition: 0.3s;
}

.card:hover {
  transform: scale(1.05);
  box-shadow: 0 0 20px var(--neon);
}

/* BUTTON */
.btn {
  background: transparent;
  border: 1px solid var(--neon);
  color: var(--neon);
  padding: 10px 15px;
  cursor: pointer;
}

.btn:hover {
  background: var(--neon);
  color: black;
}

/* GRID */
.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px,1fr));
  gap: 20px;
  padding: 40px;
}

/* FOOTER */
footer {
  text-align: center;
  padding: 20px;
  background: var(--glass);
}