:root {
  --bg: #0e1117;
  --text: #e4e6eb;
  --accent: #4f8cff;
  --card-bg: #1a1f27;
  --transition: 0.3s;
  font-family: "Inter", sans-serif;
}

body {
  background: var(--bg);
  color: var(--text);
  margin: 0;
}

.navbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.2rem 2rem;
  background: rgba(15, 18, 24, 0.9);
  position: sticky;
  top: 0;
  backdrop-filter: blur(8px);
}

.logo {
  font-weight: 700;
  font-size: 1.3rem;
  color: var(--accent);
}

nav a {
  color: var(--text);
  margin: 0 1rem;
  text-decoration: none;
  transition: var(--transition);
}

nav a:hover,
nav a.active {
  color: var(--accent);
}

.hero {
  text-align: center;
  padding: 10vh 2rem;
}

.cta {
  background: var(--accent);
  color: white;
  border: none;
  padding: 0.8rem 1.6rem;
  font-size: 1rem;
  border-radius: 6px;
  cursor: pointer;
  transition: var(--transition);
}

.cta:hover {
  background: #6fa0ff;
}

.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 1.5rem;
  padding: 3rem 2rem;
}

.card {
  background: var(--card-bg);
  padding: 2rem;
  border-radius: 10px;
  text-align: center;
  transition: var(--transition);
}

.card:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 20px rgba(0,0,0,0.3);
}

.card img {
  width: 60px;
  margin-bottom: 1rem;
}

footer {
  text-align: center;
  padding: 1rem 0;
  font-size: 0.9rem;
  border-top: 1px solid rgba(255,255,255,0.1);
}