body {
  margin: 0;
  font-family: 'Inter', sans-serif;
  background: #020617;
  color: #e2e8f0;
}

/* NAVBAR */
.navbar {
  position: sticky;
  top: 0;
  display: flex;
  justify-content: space-between;
  padding: 20px 40px;
  background: rgba(2,6,23,0.9);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid #1e293b;
}

.logo {
  font-weight: bold;
  font-size: 1.2rem;
}

.navbar a {
  margin-left: 20px;
  color: #38bdf8;
  text-decoration: none;
}

/* HERO */
.hero {
  text-align: center;
  padding: 120px 20px;
  background: radial-gradient(circle at center, #1e3a8a, #020617);
}

.hero h1 {
  font-size: 3rem;
  margin-bottom: 20px;
}

.hero p {
  font-size: 1.2rem;
  color: #94a3b8;
}

.cta {
  display: inline-block;
  margin-top: 20px;
  padding: 12px 24px;
  background: linear-gradient(90deg, #38bdf8, #8b5cf6);
  border-radius: 8px;
  color: white;
  text-decoration: none;
}

/* SECTIONS */
.section {
  padding: 60px 20px;
  text-align: center;
}

.dark {
  background: #020617;
}

/* GRID */
.grid {
  display: flex;
  gap: 25px;
  justify-content: center;
  flex-wrap: wrap;
  margin-top: 30px;
}

/* CARDS */
.card {
  background: linear-gradient(145deg, #1e293b, #0f172a);
  padding: 25px;
  width: 260px;
  border-radius: 16px;
  text-decoration: none;
  color: white;
  transition: 0.3s;
  border: 1px solid #1e293b;
}

.card:hover {
  transform: translateY(-8px);
  box-shadow: 0 10px 30px rgba(56,189,248,0.2);
}

/* FOOTER */
footer {
  text-align: center;
  padding: 20px;
  background: #020617;
  border-top: 1px solid #1e293b;
}