* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: Tahoma, Arial, sans-serif;
  background: #f6f8fb;
  color: #1f2937;
  line-height: 1.8;
}

.container {
  width: min(1100px, 92%);
  margin: 0 auto;
}

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

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 16px 0;
}

.logo {
  font-size: 24px;
  font-weight: 800;
  color: #2563eb;
  text-decoration: none;
}

nav {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

nav a {
  color: #374151;
  text-decoration: none;
  font-size: 14px;
  padding: 6px 10px;
  border-radius: 10px;
}

nav a:hover {
  background: #eff6ff;
  color: #2563eb;
}

.hero {
  margin: 60px 0 32px;
  padding: 48px;
  background: linear-gradient(135deg, #ffffff, #eaf2ff);
  border: 1px solid #dbeafe;
  border-radius: 28px;
  box-shadow: 0 20px 50px rgba(37, 99, 235, 0.08);
}

.badge {
  display: inline-block;
  background: #dbeafe;
  color: #1d4ed8;
  padding: 6px 12px;
  border-radius: 999px;
  font-size: 13px;
  margin-bottom: 16px;
}

h1 {
  font-size: clamp(32px, 5vw, 56px);
  margin: 0 0 16px;
}

.hero p {
  font-size: 18px;
  max-width: 680px;
}

.actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 24px;
}

.button {
  display: inline-block;
  background: #2563eb;
  color: white;
  text-decoration: none;
  padding: 12px 20px;
  border-radius: 14px;
  font-weight: 700;
}

.button.secondary {
  background: white;
  color: #2563eb;
  border: 1px solid #bfdbfe;
}

.cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
  margin-bottom: 60px;
}

.card {
  background: white;
  padding: 24px;
  border: 1px solid #e5e7eb;
  border-radius: 22px;
}

.card h2 {
  margin-top: 0;
}

footer {
  background: #111827;
  color: #d1d5db;
  padding: 24px 0;
  text-align: center;
}

@media (max-width: 800px) {
  .header-inner {
    align-items: flex-start;
    flex-direction: column;
  }

  .hero {
    padding: 28px;
  }

  .cards {
    grid-template-columns: 1fr;
  }
}