* {
  box-sizing: border-box;
}

html, body {
  margin: 0;
  padding: 0;
  font-family: Arial, "Noto Sans KR", sans-serif;
  color: #1f2937;
  background: #f7f8fa;
  line-height: 1.6;
}

a {
  color: #111827;
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

.container {
  width: min(1100px, calc(100% - 32px));
  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: 16px 0;
}

.logo {
  font-size: 22px;
  font-weight: 700;
}

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

.hero,
.page-header {
  padding: 48px 0 24px;
}

.eyebrow {
  margin: 0 0 8px;
  font-size: 13px;
  color: #6b7280;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

h1 {
  margin: 0 0 12px;
  font-size: 36px;
  line-height: 1.2;
}

h2 {
  margin-top: 0;
  margin-bottom: 12px;
  font-size: 22px;
}

.hero-text {
  max-width: 720px;
  font-size: 18px;
  color: #4b5563;
}

.actions {
  margin-top: 20px;
}

.button {
  display: inline-block;
  padding: 12px 18px;
  background: #111827;
  color: #ffffff;
  border-radius: 10px;
}

.button:hover {
  text-decoration: none;
  opacity: 0.92;
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 20px;
  padding: 16px 0 48px;
}

.card {
  background: #ffffff;
  border: 1px solid #e5e7eb;
  border-radius: 14px;
  padding: 20px;
}

.card.muted {
  opacity: 0.75;
}

.site-footer {
  border-top: 1px solid #e5e7eb;
  background: #ffffff;
}

.site-footer .container {
  padding: 18px 0;
  color: #6b7280;
  font-size: 14px;
}

@media (max-width: 768px) {
  h1 {
    font-size: 28px;
  }

  .hero-text {
    font-size: 16px;
  }

  .site-header .container {
    flex-direction: column;
    align-items: flex-start;
    gap: 10px;
  }
}