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

body {
  background: #0b1220;
  color: #e5e7eb;
}

a {
  text-decoration: none;
  color: inherit;
}

nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 16px 40px;
  background: #020617;
}

nav .logo {
  font-size: 22px;
  font-weight: 700;
}

nav ul {
  list-style: none;
  display: flex;
  gap: 24px;
}

nav ul li a {
  opacity: 0.8;
}

nav ul li a:hover {
  opacity: 1;
}

.btn {
  padding: 12px 24px;
  border-radius: 8px;
  font-weight: 600;
  display: inline-block;
}

.btn-primary {
  background: #22c55e;
  color: #022c22;
}

.btn-secondary {
  background: #1e293b;
  border: 1px solid #334155;
}

.section {
  padding: 80px 40px;
  max-width: 1200px;
  margin: auto;
}

.hero {
  text-align: center;
  padding: 120px 40px;
  background: linear-gradient(to bottom, #020617, #0b1220);
}

.hero h1 {
  font-size: 56px;
  margin-bottom: 16px;
}

.hero p {
  opacity: 0.85;
  margin-bottom: 32px;
}

.ip-box {
  background: #020617;
  padding: 24px;
  border-radius: 12px;
  display: inline-block;
  margin-top: 20px;
}

.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 24px;
  margin-top: 40px;
}

.card {
  background: #020617;
  padding: 24px;
  border-radius: 12px;
  border: 1px solid #1e293b;
}

footer {
  text-align: center;
  padding: 32px;
  font-size: 14px;
  opacity: 0.6;
}