:root {
  --primary: #0f172a;
  --accent: #2563eb;
  --bg: #f8fafc;
  --text: #1e293b;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: Arial, Helvetica, sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.6;
}

.container {
  max-width: 1100px;
  margin: auto;
  padding: 0 20px;
}

.header {
  background: white;
  border-bottom: 1px solid #e5e7eb;
  position: sticky;
  top: 0;
  z-index: 10;
}

.header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 70px;
}

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

.nav a {
  margin: 0 10px;
  text-decoration: none;
  color: var(--text);
}

.cta {
  background: var(--accent);
  color: white;
  padding: 8px 14px;
  border-radius: 4px;
  text-decoration: none;
}

.hero {
  background: linear-gradient(to right, #0f172a, #1e293b);
  color: white;
  padding: 80px 0;
  text-align: center;
}

.hero h1 {
  font-size: 2.2rem;
}

.hero-actions {
  margin-top: 20px;
}

.btn-primary,
.btn-secondary {
  padding: 12px 18px;
  margin: 5px;
  border-radius: 4px;
  text-decoration: none;
}

.btn-primary {
  background: var(--accent);
  color: white;
}

.btn-secondary {
  border: 1px solid white;
  color: white;
}

.section {
  padding: 60px 0;
}

.section.dark {
  background: var(--primary);
  color: white;
  text-align: center;
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 20px;
}

.grid-4 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 20px;
}

.card {
  background: white;
  padding: 25px;
  border-radius: 6px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.05);
}

.contact-box {
  background: white;
  padding: 30px;
  border-radius: 6px;
}

.note {
  font-size: 0.9rem;
  color: #64748b;
}

.footer {
  background: #020617;
  color: #94a3b8;
  text-align: center;
  padding: 20px 0;
}