* {
  box-sizing: border-box;
}

body {
  margin: 0;
  color: #172026;
  font-family: Arial, "Noto Sans KR", sans-serif;
  line-height: 1.6;
  background: #f5f7f8;
}

a {
  color: inherit;
  text-decoration: none;
}

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 20px max(24px, calc((100% - 1040px) / 2));
  background: #ffffff;
  border-bottom: 1px solid #dce3e6;
}

.logo {
  font-size: 20px;
  font-weight: 700;
}

.nav {
  display: flex;
  gap: 18px;
  font-size: 15px;
}

.nav a:hover {
  color: #0b7a75;
}

.hero {
  max-width: 1040px;
  margin: 0 auto;
  padding: 88px 24px 72px;
}

.eyebrow {
  margin: 0 0 12px;
  color: #0b7a75;
  font-weight: 700;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  max-width: 760px;
  margin-bottom: 20px;
  font-size: clamp(36px, 7vw, 64px);
  line-height: 1.1;
}

.hero-text {
  max-width: 620px;
  margin-bottom: 28px;
  color: #46545a;
  font-size: 18px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0 18px;
  color: #ffffff;
  font-weight: 700;
  background: #0b7a75;
  border-radius: 6px;
}

.button:hover {
  background: #095f5b;
}

.section {
  max-width: 1040px;
  margin: 0 auto;
  padding: 56px 24px;
}

.section h2 {
  margin-bottom: 16px;
  font-size: 28px;
}

.section > p {
  max-width: 680px;
  color: #46545a;
}

.card-list {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-top: 24px;
}

.card {
  min-height: 180px;
  padding: 22px;
  background: #ffffff;
  border: 1px solid #dce3e6;
  border-radius: 8px;
}

.card h3 {
  margin-bottom: 10px;
  font-size: 20px;
}

.card p {
  margin-bottom: 0;
  color: #46545a;
}

.contact {
  margin-bottom: 48px;
}

.site-footer {
  padding: 28px 24px;
  color: #607077;
  text-align: center;
  background: #ffffff;
  border-top: 1px solid #dce3e6;
}

.site-footer p {
  margin-bottom: 0;
}

@media (max-width: 720px) {
  .site-header {
    align-items: flex-start;
    flex-direction: column;
  }

  .nav {
    flex-wrap: wrap;
  }

  .hero {
    padding-top: 64px;
  }

  .card-list {
    grid-template-columns: 1fr;
  }
}