body {
  font-family: 'Pretendard', 'Noto Sans KR', Arial, sans-serif;
  background: #faf9f6;
  margin: 0;
  color: #222;
}

.navbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.5rem 2rem 1.5rem 2rem;
  background: #fff;
  border-bottom: 1px solid #eee;
}
.logo {
  font-size: 2rem;
  font-weight: bold;
  letter-spacing: -2px;
}
.nav-menu {
  list-style: none;
  display: flex;
  gap: 2rem;
  margin: 0;
  padding: 0;
}
.nav-menu li a {
  text-decoration: none;
  color: #222;
  font-weight: 500;
  font-size: 1.1rem;
  transition: color 0.2s;
}
.nav-menu li a:hover {
  color: #0077ff;
}

.main-hero {
  display: flex;
  align-items: center;
  gap: 2.5rem;
  margin: 3rem auto 2rem auto;
  max-width: 900px;
  padding: 0 2rem;
}
.hero-img {
  width: 180px;
  height: auto;
  border-radius: 16px;
  background: #f3f3f3;
  box-shadow: 0 2px 8px #0001;
}
.about h2 {
  font-size: 2rem;
  font-weight: bold;
  margin-bottom: 0.5rem;
}
.about p {
  font-size: 1.15rem;
  line-height: 1.7;
  margin: 0;
}

.main-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2rem;
  max-width: 900px;
  margin: 0 auto 3rem auto;
  padding: 0 2rem;
}
.card {
  background: #fff;
  border-radius: 16px;
  box-shadow: 0 2px 8px #0001;
  padding: 1.5rem 1.5rem 1.2rem 1.5rem;
  min-height: 180px;
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
}
.card h3 {
  margin-top: 0;
  margin-bottom: 0.7rem;
  font-size: 1.25rem;
  font-weight: bold;
}
.tags {
  margin-bottom: 0.7rem;
}
.tags span {
  background: #f0f0f0;
  border-radius: 8px;
  padding: 0.3em 1em;
  margin-right: 0.5em;
  font-size: 0.95em;
  display: inline-block;
  margin-bottom: 0.3em;
}
.card ul {
  margin: 0.5em 0 0 1em;
  padding: 0;
  font-size: 1em;
}

@media (max-width: 700px) {
  .main-hero {
    flex-direction: column;
    gap: 1.5rem;
    text-align: center;
  }
  .main-grid {
    grid-template-columns: 1fr;
    gap: 1.2rem;
  }
  .navbar {
    flex-direction: column;
    gap: 1rem;
    padding: 1rem;
  }
}