* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: Arial, Helvetica, sans-serif;
  line-height: 1.6;
  color: #1f2937;
  background: #f5f7f9;
}

.container {
  width: 90%;
  max-width: 1000px;
  margin: 0 auto;
}

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

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

.brand {
  font-weight: 700;
  font-size: 20px;
  color: #1f2937;
}

.nav a {
  margin-left: 18px;
  color: #374151;
  text-decoration: none;
}

.nav a:hover {
  text-decoration: underline;
}

.hero {
  padding: 70px 0 50px;
  background: #eef5ef;
  border-bottom: 1px solid #dfe7df;
}

.hero h1 {
  margin-top: 0;
  font-size: 34px;
  line-height: 1.2;
}

.hero p {
  max-width: 700px;
  font-size: 18px;
  color: #4b5563;
}

.button {
  display: inline-block;
  margin-top: 16px;
  padding: 12px 18px;
  background: #2f6f3e;
  color: #ffffff;
  text-decoration: none;
  border-radius: 6px;
}

.button:hover {
  background: #275d33;
}

.section {
  padding: 40px 0;
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 20px;
}

.card {
  background: #ffffff;
  border: 1px solid #e5e7eb;
  border-radius: 8px;
  padding: 24px;
}

.card h2 {
  margin-top: 0;
}

.service-list {
  margin: 0;
  padding-left: 20px;
}

.site-footer {
  margin-top: 30px;
  padding: 20px 0;
  background: #ffffff;
  border-top: 1px solid #e5e7eb;
  color: #6b7280;
  font-size: 14px;
}