@charset "UTF-8";
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", sans-serif;
  line-height: 1.6;
  color: #0F172A;
  background: #E2E8F0;
}

a {
  color: #06B6D4;
  text-decoration: none;
  transition: color 0.2s ease;
}
a:hover {
  color: #0F172A;
  text-decoration: underline;
}

.page-wrapper {
  display: flex;
  min-height: 100vh;
  max-width: 1400px;
  margin: 0 auto;
  background: #ffffff;
  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06), 0 20px 25px -5px rgba(0, 0, 0, 0.08);
}

.sidebar {
  width: 320px;
  background: linear-gradient(135deg, #0F172A 0%, #1E293B 100%);
  color: #ffffff;
  padding: 3rem 2rem;
  position: relative;
}
.sidebar::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-image: radial-gradient(circle at 20% 50%, rgba(255, 255, 255, 0.03) 0%, transparent 50%);
  pointer-events: none;
}

.profile-section {
  text-align: center;
  margin-bottom: 3rem;
}

.profile-image {
  width: 140px;
  height: 140px;
  border-radius: 50%;
  border: 4px solid #06B6D4;
  margin-bottom: 1.5rem;
  box-shadow: 0 8px 16px rgba(0, 0, 0, 0.2), 0 0 0 1px rgba(255, 255, 255, 0.1);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}
.profile-image:hover {
  transform: scale(1.05);
  box-shadow: 0 12px 24px rgba(0, 0, 0, 0.3), 0 0 20px rgba(6, 182, 212, 0.3);
}

.profile-name {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
  letter-spacing: -0.02em;
}

.profile-title {
  font-size: 0.875rem;
  opacity: 0.9;
  font-weight: 500;
  color: #06B6D4;
}

.sidebar-section {
  margin-bottom: 2.5rem;
}

.sidebar-section h3 {
  font-size: 0.875rem;
  margin-bottom: 1rem;
  color: #06B6D4;
  text-transform: uppercase;
  font-weight: 600;
  letter-spacing: 0.05em;
}

.sidebar-section > div {
  padding: 0.4rem 0;
}

.sidebar-section a {
  color: #E2E8F0;
  text-decoration: none;
}

.sidebar-section a {
  transition: color 0.2s ease;
}

.sidebar-section a:hover {
  color: #06B6D4;
}

.separator {
  color: #94A3B8;
}

.social-row {
  padding: 0.4rem 0;
  color: #94A3B8;
}

.social-row a {
  color: #E2E8F0;
}

.main-navigation {
  margin-bottom: 1rem;
  margin-top: 0.5rem;
  border-bottom: 2px solid #E2E8F0;
}
.main-navigation ul {
  list-style: none;
  display: flex;
  gap: 2rem;
  padding: 0;
  margin: 0;
}
.main-navigation li {
  padding: 0.75rem 0;
}
.main-navigation a {
  color: #0F172A;
  text-decoration: none;
  font-weight: 500;
  padding-bottom: 0.5rem;
}
.main-navigation a:hover {
  color: #06B6D4;
}
.main-navigation li.active a {
  color: #06B6D4;
  border-bottom: 2px solid #06B6D4;
}

.main-content {
  flex: 1;
  padding: 2rem 4rem 4rem 4rem;
  position: relative;
  z-index: 1;
}

.intro-text {
  font-size: 1.125rem;
  line-height: 1.8;
  color: #334155;
  text-align: justify;
}

.intro-text p {
  margin-bottom: 1.5rem;
}

.content-section {
  margin-bottom: 4rem;
}

.content-section h2 {
  font-size: 1.875rem;
  color: #0F172A;
  margin-bottom: 1.5rem;
  padding-bottom: 0.75rem;
  border-bottom: 3px solid #E2E8F0;
  font-weight: 700;
  letter-spacing: -0.02em;
}

/* Expertise Section */
.expertise-container {
  display: flex;
  gap: 3rem;
  align-items: center;
}

.expertise-image {
  width: 300px;
  height: auto;
  border-radius: 8px;
}

.expertise-list {
  list-style: none;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  flex: 1;
}

.expertise-list li {
  padding: 1.2rem 1.5rem;
  background: #ffffff;
  border-radius: 8px;
  border: 2px solid #E2E8F0;
  font-weight: 500;
  transition: all 0.3s ease;
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.05);
}

.expertise-list li:hover {
  background: #E0F2FE;
  border-color: #06B6D4;
  transform: translateX(4px);
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.08);
}

/* Articles & Talks Section */
.latest-grid {
  margin-top: 1.5rem;
}

.articles-container,
.talks-container {
  display: flex;
  gap: 3rem;
  align-items: center;
  margin-bottom: 2rem;
}

.articles-content,
.talks-content {
  flex: 1;
}

.articles-image,
.talks-image {
  width: 180px;
  border-radius: 8px;
}

.latest-column-header {
  font-size: 1.3rem;
  color: #0F172A;
  margin-bottom: 1rem;
  font-weight: bold;
}

.latest-item {
  padding: 1rem 0;
  border-bottom: 1px solid #E2E8F0;
}

.latest-item:last-of-type {
  border-bottom: none;
}

.latest-item a {
  color: #06B6D4;
  text-decoration: none;
  font-weight: 500;
  display: block;
  margin-bottom: 0.5rem;
}

.latest-item a:hover {
  text-decoration: underline;
}

.latest-description {
  color: #64748B;
  font-size: 0.95rem;
}

.latest-more {
  margin-top: 1.5rem;
  text-align: right;
}

/* Projects Section */
.project-subsection {
  font-size: 1.1rem;
  color: #0F172A;
  margin-top: 2rem;
  margin-bottom: 1rem;
  font-weight: bold;
}

.projects-list {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1rem;
  margin-bottom: 2rem;
}

.projects-list li {
  padding: 1.5rem;
  background: #ffffff;
  border-radius: 8px;
  border-left: 4px solid #06B6D4;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
  transition: all 0.3s ease;
}

.projects-list li:hover {
  background: #E0F2FE;
  border-left-color: #0F172A;
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.projects-list a {
  color: #0F172A;
  text-decoration: none;
}

.projects-list a:hover {
  color: #06B6D4;
}

/* Footer */
.footer {
  text-align: center;
  padding: 2rem;
  background: #E2E8F0;
  margin-top: 3rem;
}

.footer a {
  color: #06B6D4;
  text-decoration: none;
}

.footer a:hover {
  text-decoration: underline;
}

.blog-intro {
  text-align: center;
  margin-bottom: 3rem;
  padding-bottom: 2rem;
  border-bottom: 2px solid #E2E8F0;
}
.blog-intro h1 {
  font-size: 2.25rem;
  color: #0F172A;
  margin-bottom: 0.75rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}
.blog-intro .tagline {
  font-size: 1.125rem;
  color: #64748B;
  font-style: italic;
  font-weight: 400;
  line-height: 1.8;
}

.category-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
  margin-top: 1.5rem;
}

.category-card {
  padding: 1.5rem;
  background: #ffffff;
  border-radius: 12px;
  text-decoration: none;
  transition: all 0.3s ease;
  border: 2px solid #E2E8F0;
  display: flex;
  flex-direction: column;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
}
.category-card:hover {
  background: #E0F2FE;
  border-color: #06B6D4;
  transform: translateY(-4px);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.1), 0 0 0 1px #06B6D4;
}
.category-card .category-header {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 0.75rem;
}
.category-card .category-icon img {
  width: 2rem;
  height: 2rem;
  display: block;
  filter: brightness(1.1);
}
.category-card h3 {
  color: #06B6D4;
  margin: 0;
  font-size: 1.125rem;
  font-weight: 600;
}
.category-card p {
  color: #64748B;
  font-size: 0.875rem;
  margin: 0;
  text-align: left;
  line-height: 1.6;
}

.tag-header {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  color: #06B6D4;
}
.tag-header .tag-icon {
  width: 2.5rem;
  height: 2.5rem;
  display: inline-block;
}
.tag-header .tag-icon img {
  width: 100%;
  height: 100%;
  display: block;
}

.tag-description {
  background: #F8FAFC;
  padding: 2rem;
  border-radius: 8px;
  border-left: 4px solid #06B6D4;
  margin-bottom: 3rem;
}
.tag-description h2 {
  color: #0F172A;
  margin-bottom: 1rem;
}
.tag-description p {
  color: #334155;
  line-height: 1.6;
  margin-bottom: 1rem;
}
.tag-description p:last-child {
  margin-bottom: 0;
}

.view-all {
  text-align: center;
  margin-top: 2rem;
  padding-top: 2rem;
  border-top: 2px solid #E2E8F0;
}
.view-all a {
  color: #06B6D4;
  text-decoration: none;
  font-weight: 500;
  font-size: 1.1rem;
}
.view-all a:hover {
  text-decoration: underline;
}

.no-posts {
  text-align: center;
  color: #64748B;
  font-style: italic;
  padding: 3rem;
  background: #F8FAFC;
  border-radius: 8px;
}

.post-card {
  padding: 2rem;
  background: #ffffff;
  border-radius: 12px;
  border-left: 4px solid #06B6D4;
  margin-bottom: 1.5rem;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05), 0 1px 2px rgba(0, 0, 0, 0.02);
  transition: all 0.3s ease;
  position: relative;
}
.post-card:hover {
  background: #E0F2FE;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08), 0 2px 4px rgba(0, 0, 0, 0.04);
  transform: translateY(-2px);
  border-left-color: #0F172A;
}
.post-card .post-title {
  font-size: 1.25rem;
  margin-bottom: 0.75rem;
  line-height: 1.4;
  font-weight: 600;
}
.post-card .post-title a {
  color: #0F172A;
  text-decoration: none;
  transition: color 0.2s ease;
}
.post-card .post-title a:hover {
  color: #06B6D4;
}
.post-card .post-meta {
  color: #64748B;
  font-size: 0.875rem;
  margin-bottom: 1rem;
  font-weight: 500;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-wrap: wrap;
}
.post-card .post-meta time {
  display: inline-flex;
  align-items: center;
}
.post-card .post-meta .reading-time {
  color: #94A3B8;
  font-size: 0.75rem;
}
.post-card .post-meta .reading-time::before {
  content: "•";
  margin-right: 0.5rem;
}
.post-card .post-excerpt {
  color: #334155;
  line-height: 1.8;
  font-size: 1rem;
}

.tag {
  display: inline-block;
  padding: 0.375rem 0.875rem;
  background: #E2E8F0;
  color: #0F172A;
  border-radius: 6px;
  font-size: 0.75rem;
  font-weight: 500;
  text-decoration: none;
  margin-right: 0.5rem;
  margin-bottom: 0.5rem;
  transition: all 0.2s ease;
  border: 1px solid transparent;
}
.tag:hover {
  background: #06B6D4;
  color: #ffffff;
  border-color: #06B6D4;
  transform: translateY(-1px);
  box-shadow: 0 2px 4px rgba(6, 182, 212, 0.3);
}

.post-tags {
  margin-top: 0.5rem;
}

.search-container {
  margin-bottom: 2rem;
}
.search-container input[type=text] {
  width: 100%;
  padding: 0.8rem 1rem;
  border: 2px solid #E2E8F0;
  border-radius: 6px;
  font-size: 1rem;
}
.search-container input[type=text]:focus {
  outline: none;
  border-color: #06B6D4;
}

.search-results-list {
  list-style: none;
  padding: 0;
  margin-top: 1rem;
}
.search-results-list li {
  padding: 1rem;
  background: #F8FAFC;
  border-radius: 6px;
  margin-bottom: 0.5rem;
}
.search-results-list li:hover {
  background: #E0F2FE;
}
.search-results-list a {
  text-decoration: none;
  color: #0F172A;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.search-results-list strong {
  color: #06B6D4;
}
.search-results-list .search-date {
  font-size: 0.85rem;
  color: #64748B;
}

.tag-filter {
  margin-bottom: 2rem;
}
.tag-filter h3 {
  font-size: 1.2rem;
  margin-bottom: 1rem;
  color: #0F172A;
}
.tag-filter .tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.pagination {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 3rem;
  padding: 2rem 0;
  border-top: 2px solid #E2E8F0;
}
.pagination a {
  color: #06B6D4;
  text-decoration: none;
  font-weight: 500;
}
.pagination a:hover {
  text-decoration: underline;
}
.pagination .page-number {
  color: #334155;
}

.blog-post .post-header {
  margin-bottom: 2rem;
  padding-bottom: 1rem;
  border-bottom: 2px solid #E2E8F0;
}
.blog-post .post-header .post-title {
  font-size: 2.2rem;
  color: #0F172A;
  margin-bottom: 1rem;
}
.blog-post .post-header .post-meta {
  color: #64748B;
  font-size: 0.95rem;
}
.blog-post .post-header .post-meta .separator {
  margin: 0 0.5rem;
  color: #94A3B8;
}
.blog-post .post-header .post-tags {
  margin-top: 1rem;
}
.blog-post .post-content {
  font-size: 1.05rem;
  line-height: 1.8;
  color: #334155;
}
.blog-post .post-content h1, .blog-post .post-content h2, .blog-post .post-content h3, .blog-post .post-content h4, .blog-post .post-content h5, .blog-post .post-content h6 {
  color: #0F172A;
  margin-top: 2rem;
  margin-bottom: 1rem;
}
.blog-post .post-content h2 {
  font-size: 1.6rem;
}
.blog-post .post-content h3 {
  font-size: 1.3rem;
}
.blog-post .post-content p {
  margin-bottom: 1.5rem;
}
.blog-post .post-content a {
  color: #06B6D4;
  text-decoration: none;
}
.blog-post .post-content a:hover {
  text-decoration: underline;
}
.blog-post .post-content ul, .blog-post .post-content ol {
  margin-bottom: 1.5rem;
  padding-left: 2rem;
}
.blog-post .post-content li {
  margin-bottom: 0.5rem;
}
.blog-post .post-content code {
  background: #F8FAFC;
  padding: 0.2rem 0.4rem;
  border-radius: 3px;
  font-size: 0.9em;
}
.blog-post .post-content pre {
  background: #F8FAFC;
  padding: 1rem;
  border-radius: 6px;
  overflow-x: auto;
  margin-bottom: 1.5rem;
}
.blog-post .post-content pre code {
  background: none;
  padding: 0;
}
.blog-post .post-content blockquote {
  border-left: 4px solid #06B6D4;
  padding-left: 1.5rem;
  margin: 1.5rem 0;
  font-style: italic;
  color: #64748B;
}
.blog-post .post-footer {
  margin-top: 3rem;
  padding-top: 2rem;
  border-top: 2px solid #E2E8F0;
}
.blog-post .post-footer .post-navigation {
  display: flex;
  justify-content: space-between;
  gap: 2rem;
}
.blog-post .post-footer .post-navigation a {
  color: #06B6D4;
  text-decoration: none;
  font-weight: 500;
}
.blog-post .post-footer .post-navigation a:hover {
  text-decoration: underline;
}
.blog-post .post-footer .post-navigation .prev-post,
.blog-post .post-footer .post-navigation .next-post {
  flex: 1;
}
.blog-post .post-footer .post-navigation .next-post {
  text-align: right;
}

@media (max-width: 900px) {
  .page-wrapper {
    flex-direction: column;
  }
  .sidebar {
    width: 100%;
  }
  .main-content {
    padding: 2rem;
  }
  .expertise-container,
  .articles-container,
  .talks-container {
    flex-direction: column;
  }
  .expertise-image {
    width: 100%;
    max-width: 400px;
    height: auto;
  }
  .articles-image,
  .talks-image {
    width: 100%;
    max-width: 400px;
  }
  .expertise-list {
    grid-template-columns: 1fr;
  }
  .projects-list {
    grid-template-columns: 1fr;
  }
  .main-navigation {
    margin-bottom: 1rem;
  }
  .main-navigation ul {
    flex-direction: column;
    gap: 0;
  }
  .main-navigation li {
    padding: 0.8rem 0;
    border-bottom: 1px solid #E2E8F0;
  }
  .main-navigation li:last-child {
    border-bottom: none;
  }
  .blog-post .post-header .post-title {
    font-size: 1.8rem;
  }
  .blog-post .post-footer .post-navigation {
    flex-direction: column;
  }
  .blog-post .post-footer .post-navigation .next-post {
    text-align: left;
  }
  .category-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}
@media (min-width: 501px) and (max-width: 900px) {
  .sidebar-sections-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
  }
  .sidebar-section {
    margin-bottom: 0;
  }
}

/*# sourceMappingURL=main.css.map */