body {
  margin: 0 auto; /* 가운데 정렬 */
  padding: 0;
  font-size: 16px; /* 기본 폰트 크기 */
  line-height: 1.6; /* 줄 간격 */
  color: #111; /* 글자색 */
  background: #fff; /* 배경 */
}

/* 본문 래퍼만 폭 제한 */
.page {
  margin: 0 auto; /* 가운데 정렬 */
  padding: 0 16px 80px; /* 좌우 여백 + 아래 여백 */
  max-width: 760px; /* 가독성 좋은 폭 */
}

/* 푸터는 화면 전체 */
.site-footer {
  margin-top: 80px;
  padding: 24px 16px;
  text-align: center;
  font-size: 0.85rem;
  color: #666;
  border-top: 2px solid #5c009f;
  background: #fafafa;
}

@media screen and (max-width: 768px) {
  .logo img {
    width: 256px; /* Mobile device's screen */
  }
  .profile-link img {
    width: 256px; /* Mobile device's screen */
  }
}

.logo {
  text-align: center;
}

.logo img {
  width: 512px;
}

.logo:hover img {
  transform: scale(1.02);
  transition: transform 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

.profile {
  text-align: center;
  margin: 16px 0;
}

.profile-link {
  display: inline-block;
  text-decoration: none;
  color: #0a66c2;
  font-weight: bold;
}

.profile-link img {
  border-radius: 50%;
  display: block;
  margin: 0 auto;
  transition: transform 0.2s cubic-bezier(0.4, 0, 0.2, 1), box-shadow 0.2s;
}

.profile-link:hover img {
  transform: scale(1.02);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.profile-link .linkedin {
  margin-top: 8px;
}

.profile-link:hover .linkedin {
  text-decoration: underline;
}

/* 버튼 컨테이너 */
.button-container {
  display: flex;
  gap: 12px;
  justify-content: flex-end;
  margin-bottom: 20px;
  padding: 16px;
  background-color: #f8f9fa;
  border: 1px solid #e9ecef;
  border-radius: 8px;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.blog-post-list-btn a {
  padding: 8px 16px;
  background-color: #5c009f;
  color: white;
  text-decoration: none;
  border-radius: 6px;
  font-size: 14px;
  font-weight: bold;
  transition: background-color 0.2s ease;
}

.blog-post-list-btn a:hover {
  background-color: #4a0080;
}

.lang-switch a {
  padding: 8px 16px;
  background-color: #5c009f;
  color: white;
  text-decoration: none;
  border-radius: 6px;
  font-size: 14px;
  font-weight: bold;
  transition: background-color 0.2s ease;
}

.lang-switch a:hover {
  background-color: #4a0080;
}

.education-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.education-list li {
  margin-bottom: 16px;
  padding-bottom: 12px;
  border-bottom: 1px solid #ddd;
}

.education-list h3 {
  margin: 0;
  font-size: 1.1rem;
  color: #111;
}

.education-list p {
  margin: 4px 0;
  color: #444;
}

.education-list time {
  font-size: 0.9rem;
  color: #666;
}

.result {
  background: #eaf6ff;
  border-left: 6px solid #3498db;
  border-radius: 8px;
  padding: 14px 16px;
  margin-top: 12px;
}

.result h3 {
  margin-top: 0;
  margin-bottom: 6px;
  color: #0a3d62;
}

.program-banner {
  background-color: #5c009f; /* 브랜드 퍼플 */
  color: #fff;
  font-size: 15px;
  font-weight: 600;
  text-align: center;
  padding: 10px 16px;
  margin: 12px 0 20px;
  border-radius: 8px;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.15);
}

.program-banner strong {
  color: #ffd700; /* 기본 골드 */
  text-decoration: none; /* 기본은 밑줄 제거 */
  transition: color 0.3s ease, text-shadow 0.3s ease;
}

.program-banner a:hover {
  color: #fff176; /* 밝은 옐로우 톤으로 변경 */
  text-decoration: underline;
  text-shadow: 0 0 8px rgba(255, 223, 0, 0.8); /* 빛나는 효과 */
  cursor: default; /* 클릭 링크가 아니라면 pointer 대신 default 유지 */
}

/* 협업 안내 타이틀만 크게 */
.program-banner .collab-heading {
  display: block;
  font-size: 18px; /* 기존 15px → 더 크게 */
  font-weight: 700; /* 두께 강화 */
  margin-bottom: 6px; /* 본문과 간격 */
  color: #fff; /* 배너 배경에 맞게 흰색 유지 */
}

/* 직함은 조금 subdued */
.program-banner .job-title {
  color: #ddd; /* 살짝 톤다운된 회색 */
  font-weight: 400;
}