* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: Arial, sans-serif;
  color: #1f2937;
  background: #f7f8fa;
  line-height: 1.6;
}

.container {
  width: min(1100px, calc(100% - 32px));
  margin: 0 auto;
}

.narrow {
  width: min(760px, 100%);
}

.site-header {
  background: #ffffff;
  border-bottom: 1px solid #e5e7eb;
}

.site-header .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 24px;
  padding: 18px 0;
}

.brand {
  font-size: 22px;
  font-weight: 700;
  color: #111827;
}

.nav {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
}

.nav a {
  text-decoration: none;
  color: #374151;
}

.nav a:hover {
  color: #111827;
}

.hero {
  padding: 72px 0;
  background: linear-gradient(180deg, #fffaf3 0%, #f7f8fa 100%);
}

.hero h1 {
  margin: 0 0 16px;
  font-size: 42px;
  line-height: 1.15;
}

.hero p {
  max-width: 720px;
  margin: 0 0 24px;
  font-size: 18px;
  color: #4b5563;
}

.button {
  display: inline-block;
  padding: 12px 20px;
  border-radius: 10px;
  background: #111827;
  color: #ffffff;
  text-decoration: none;
}

.section {
  padding: 48px 0;
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 20px;
}

.card {
  background: #ffffff;
  border: 1px solid #e5e7eb;
  border-radius: 16px;
  padding: 20px;
  box-shadow: 0 6px 24px rgba(17, 24, 39, 0.04);
}

.card h2 {
  margin-top: 0;
  font-size: 20px;
}

.site-footer {
  padding: 24px 0 40px;
  color: #6b7280;
}