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

body {
  color: #222;
  line-height: 1.6;
}

.container {
  width: 90%;
  max-width: 1200px;
  margin: auto;
}

.header {
  background: #0f172a;
  padding: 15px 0;
}

.nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  font-size: 22px;
  color: #fff;
  font-weight: bold;
}

.logo span {
  color: #38bdf8;
}

nav a {
  color: #fff;
  margin-left: 20px;
  text-decoration: none;
}

.btn {
  padding: 10px 18px;
  border-radius: 5px;
  text-decoration: none;
  font-weight: bold;
  display: inline-block;
}

.primary {
  background: #38bdf8;
  color: #000;
}

.secondary {
  border: 2px solid #38bdf8;
  color: #38bdf8;
}

.hero {
  background: linear-gradient(135deg, #020617, #0f172a);
  color: #fff;
  padding: 70px 0;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 40px;
}

.hero-card {
  background: #020617;
  padding: 30px;
  border-radius: 10px;
}

.section {
  padding: 70px 0;
}

.section.dark {
  background: #020617;
  color: #fff;
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 25px;
}

.card {
  padding: 25px;
  border-radius: 10px;
  background: #f8fafc;
}

.dark .card {
  background: #0f172a;
}

.timeline .step {
  padding: 15px;
  border-left: 4px solid #38bdf8;
  margin-bottom: 10px;
}

.tags span {
  display: inline-block;
  background: #38bdf8;
  color: #000;
  padding: 8px 14px;
  border-radius: 20px;
  margin: 5px;
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 30px;
}

form input, form button {
  width: 100%;
  padding: 12px;
  margin-bottom: 10px;
}

.footer {
  background: #020617;
  color: #aaa;
  text-align: center;
  padding: 20px;
}

@media (max-width: 768px) {
  .hero-grid,
  .contact-grid {
    grid-template-columns: 1fr;
  }
}