* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  font-family: Arial, Helvetica, sans-serif;
}

body {
  background: #0b1020;
  color: #e5e7eb;
  line-height: 1.6;
}

.hero {
  background: linear-gradient(135deg, #020617, #0b1020);
  padding: 90px 20px;
  text-align: center;
}

.hero h1 {
  font-size: 2.7rem;
  margin-bottom: 20px;
}

.subtitle {
  max-width: 850px;
  margin: 0 auto 35px;
  color: #c7d2fe;
}

.cta {
  display: flex;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
}

.btn {
  padding: 13px 22px;
  border-radius: 6px;
  text-decoration: none;
  font-weight: bold;
}

.primary {
  background: #2563eb;
  color: #ffffff;
}

.secondary {
  border: 2px solid #2563eb;
  color: #2563eb;
}

.section {
  padding: 80px 20px;
  max-width: 1200px;
  margin: auto;
}

.section h2 {
  text-align: center;
  font-size: 2.1rem;
  margin-bottom: 55px;
}

.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 28px;
}

.card {
  background: #020617;
  padding: 26px;
  border-radius: 10px;
}

.card h3 {
  color: #60a5fa;
  margin-bottom: 12px;
}

.card ul {
  margin-top: 12px;
  padding-left: 18px;
}

.dark {
  background: #020617;
}

.center {
  text-align: center;
  max-width: 900px;
  margin: auto;
}

.contact {
  text-align: center;
  font-size: 1.05rem;
}

footer {
  text-align: center;
  padding: 35px;
  border-top: 1px solid #1e293b;
  color: #94a3b8;
}