body {
  background: #f4f6f9;
  color: #333;
  margin: 0;
  font-family: Arial, sans-serif;
}

/* container 레이아웃 */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 15px;
}

/* Hero 배너 */
.hero {
  width: 100%;
  text-align: center;
  padding: 100px 20px;
  background: url('https://picsum.photos/1200/400?random=100') center/cover no-repeat;
  color: white;
  margin-bottom: 50px;
}

.hero h1 {
  font-size: 2.5rem;
  margin-bottom: 15px;
  text-shadow: 0 2px 6px rgba(0, 0, 0, 0.5);
}

.hero p {
  font-size: 1.2rem;
  margin-bottom: 25px;
  text-shadow: 0 2px 6px rgba(0, 0, 0, 0.5);
}

.hero .btn-group a {
  display: inline-block;
  margin: 5px;
  background: white;
  color: #2563eb;
  padding: 12px 24px;
  border-radius: 25px;
  font-weight: 600;
  text-decoration: none;
}

.hero .btn-group a:hover {
  background: #f1f1f1;
}

/* 검색창 */
.search-bar {
  margin: -30px auto 40px;
  max-width: 600px;
  display: flex;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
}

.search-bar input {
  flex: 1;
  padding: 12px;
  border: none;
  border-radius: 6px 0 0 6px;
  outline: none;
}

.search-bar button {
  padding: 12px 20px;
  border: none;
  background: #2563eb;
  color: white;
  border-radius: 0 6px 6px 0;
  cursor: pointer;
}

/* 메인 레이아웃 */
main {
  display: grid;
  grid-template-columns: 3fr 1fr;
  gap: 30px;
}

/* 오늘의 추천 글 */
.featured {
  width: 100%;
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  margin-bottom: 50px;
  background: #fff;
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.08);
}

.featured img {
  flex: 1 1 300px;
  object-fit: cover;
  min-width: 300px;
}

.featured-content {
  flex: 1 1 300px;
  padding: 20px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.featured-content h2 {
  margin: 0 0 10px;
  color: #222;
}

.featured-content p {
  margin: 0 0 20px;
  color: #555;
}

.featured-content a {
  align-self: flex-start;
  background: #2563eb;
  color: white;
  padding: 10px 20px;
  border-radius: 20px;
  font-weight: 600;
  text-decoration: none;
}

.featured-content a:hover {
  background: #1d4ed8;
}

/* 게시글 카드 */
.posts-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 20px;
}

.card {
  background: #fff;
  padding: 15px;
  border-radius: 12px;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.08);
  transition: transform 0.2s ease;
}

.card:hover {
  transform: translateY(-5px);
}

.card img {
  min-height: 180px;
  width: 100%;
  border-radius: 8px;
  margin-bottom: 10px;
}

.card h3 {
  margin: 0 0 10px;
  font-size: 1.2rem;
  color: #222;
}

.card p {
  margin: 0 0 10px;
  color: #555;
}

.card p.contents {
  display: -webkit-box;
  -webkit-line-clamp: 3; /* 보여줄 줄 수 */
  -webkit-box-orient: vertical;
  overflow: hidden;
  text-overflow: ellipsis;
}

.meta {
  font-size: 0.9rem;
  color: #888;
  margin-bottom: 10px;
}

.card a {
  color: #2563eb;
  text-decoration: none;
  font-weight: 600;
}

/* 사이드바 */
.sidebar section {
  background: #fff;
  padding: 20px;
  border-radius: 12px;
  margin-bottom: 20px;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.08);
}

.sidebar h3 {
  margin-bottom: 15px;
  font-size: 1.1rem;
  border-left: 4px solid #2563eb;
  padding-left: 8px;
}

/* 추천 블로거 */
.blogger {
  display: flex;
  align-items: center;
  margin-bottom: 15px;
}

.blogger img {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  margin-right: 10px;
}

.blogger button {
  margin-left: auto;
  background: #2563eb;
  color: white;
  border: none;
  padding: 5px 12px;
  border-radius: 20px;
  cursor: pointer;
  font-size: 0.8rem;
}

/* 태그 클라우드 */
.tags a {
  display: inline-block;
  background: #eee;
  padding: 6px 12px;
  margin: 5px;
  border-radius: 20px;
  font-size: 0.9rem;
  text-decoration: none;
  color: #333;
}

.tags a:hover {
  background: #2563eb;
  color: #fff;
}

/* 반응형 스타일 */
@media (max-width: 1024px) {
  main {
    grid-template-columns: 2fr 1fr;
  }
}

@media (max-width: 768px) {
  main {
    grid-template-columns: 1fr;
  }

  .featured {
    flex-direction: column;
  }

  .featured img, .featured-content {
    width: 100%;
  }

  header nav ul {
    flex-direction: column;
  }

  /* 모바일 검색창 여백 */
  .search-bar {
    margin: -20px 15px 30px;
  }
}


/* section 기본 여백 */
section h2 {
  margin: 30px 0 20px;
  font-size: 1.5rem;
  color: #222;
}

/* 모바일에서 좌우 여백 추가 */
@media (max-width: 768px) {
  section h2 {
    padding: 0 15px; /* 좌우 15px 여백 */
  }

  .posts-grid {
    padding: 0 15px; /* 카드들도 좌우 여백 */
  }
}