* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: "Helvetica Neue", "Arial", sans-serif;
  font-size: 16px;
  line-height: 1.5;
  color: #000;
  background: #fff;
  font-weight: 400;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  scrollbar-width: none; /* Firefox */
  -ms-overflow-style: none; /* Internet Explorer 10+ */
  padding: 24px;
}

body::-webkit-scrollbar {
  width: 0;
  height: 0;
  display: none; /* WebKit */
}

.container {
  display: grid;
  grid-template-columns: 320px 1fr;
  height: calc(100vh - 48px);
  max-width: 1440px;
  margin: 0 auto;
  transition: all 0.4s cubic-bezier(0.23, 1, 0.320, 1);
  overflow: hidden;
  background: #fafafa;
}

.container.three-column {
  grid-template-columns: 320px minmax(400px, 1fr) 2fr;
  max-width: 1800px;
}

.left-column {
  padding: 48px 32px 48px 48px;
  border-right: 1px solid #e0e0e0;
  height: 100vh;
  overflow-y: auto;
  scrollbar-width: none; /* Firefox */
  -ms-overflow-style: none; /* Internet Explorer 10+ */
  background: #fff;
  position: relative;
}

.left-column::-webkit-scrollbar {
  width: 0;
  height: 0;
  display: none; /* WebKit */
}

.right-column {
  padding: 48px 48px 48px 32px;
  height: 100vh;
  overflow-y: auto;
  scrollbar-width: none; /* Firefox */
  -ms-overflow-style: none; /* Internet Explorer 10+ */
  background: #fff;
  border-right: 1px solid #e0e0e0;
}

.right-column::-webkit-scrollbar {
  width: 0;
  height: 0;
  display: none; /* WebKit */
}

.profile-header {
  margin-bottom: 48px;
}

.profile-content {
  display: flex;
  align-items: flex-start;
  gap: 24px;
}

.profile-text {
  flex: 1;
  min-width: 0;
}

.name {
  font-size: 28px;
  font-weight: 500;
  letter-spacing: -0.03em;
  margin-bottom: 4px;
  color: #000;
  line-height: 1.1;
}

.title {
  font-size: 14px;
  font-weight: 400;
  color: #666;
  margin-bottom: 8px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  position: relative;
}



.title::before {
  content: "";
  position: absolute;
  left: 0;
  bottom: -12px;
  width: 24px;
  height: 2px;
  background: #ff3333;
}

.profile-picture {
  margin: 24px 0 20px 0;
  text-align: left;
}

.profile-picture img {
  width: 100px;
  height: 100px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid #e0e0e0;
  transition: all 0.3s cubic-bezier(0.23, 1, 0.320, 1);
}

.profile-picture img:hover {
  border-color: #ff3333;
  transform: scale(1.05);
}

.location-info {
  font-size: 14px;
  font-weight: 400;
  color: #999;
  letter-spacing: 0.01em;
  margin-top: 8px;
  margin-bottom: 8px;
}

.social-links {
  list-style: none;
}

.social-links li {
  margin-bottom: 12px;
}

.social-links a {
  color: #000;
  text-decoration: none;
  font-size: 14px;
  letter-spacing: 0.01em;
  transition: opacity 0.2s ease;
}

.social-links a:hover {
  opacity: 0.6;
}

.social-links i {
  font-size: 18px;
  color: #666;
}

/* Category filter styles */
.category-section {
  margin-top: 48px;
  padding-top: 32px;
  border-top: 1px solid #e0e0e0;
}

.category-header {
  font-size: 12px;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: #999;
  margin-bottom: 20px;
}

.category-filters {
  list-style: none;
}

.category-filters li {
  margin-bottom: 8px;
}

.category-filter {
  color: #666;
  text-decoration: none;
  font-size: 14px;
  letter-spacing: 0.01em;
  transition: all 0.2s ease;
  cursor: pointer;
  display: block;
  text-transform: capitalize;
}

.category-filter:hover {
  color: #000;
  opacity: 0.8;
}

.category-filter.active {
  color: #000;
  font-weight: 500;
}

.category-filter.clear {
  color: #999;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-top: 15px;
  padding-top: 15px;
  border-top: 1px solid #f0f0f0;
}

.category-filter.clear:hover {
  color: #666;
}



@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(-5px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Project muting styles */
.project-item.muted {
  opacity: 0.3;
  transition: opacity 0.3s ease;
}

.projects-header {
  font-size: 24px;
  font-weight: 500;
  letter-spacing: -0.02em;
  margin-top: 30px;
  margin-bottom: 40px;
  border-bottom: 2px solid #000;
  padding-bottom: 12px;
  color: #000;
  position: relative;
}

.projects-header::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -2px;
  width: 48px;
  height: 2px;
  background: #ff3333;
}



.project-list {
  list-style: none;
}

.project-item {
  margin-bottom: 40px;
  padding-bottom: 40px;
  border-bottom: 1px solid #e0e0e0;
  transition: all 0.3s cubic-bezier(0.23, 1, 0.320, 1);
}

.project-item:last-child {
  border-bottom: none;
  margin-bottom: 0;
  padding-bottom: 0;
}

.project-title {
  font-size: 20px;
  font-weight: 500;
  letter-spacing: -0.02em;
  margin-bottom: 8px;
  line-height: 1.2;
}

.project-title a {
  color: #000;
  text-decoration: none;
  transition: all 0.3s cubic-bezier(0.23, 1, 0.320, 1);
  position: relative;
}

.project-title a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -2px;
  width: 0;
  height: 1px;
  background: #ff3333;
  transition: width 0.3s cubic-bezier(0.23, 1, 0.320, 1);
}

.project-title a:hover::after {
  width: 100%;
}

.project-title a:hover {
  color: #ff3333;
}

.project-chips {
  display: flex;
  gap: 8px;
  flex-shrink: 0;
  margin-top: 12px;
}

.project-chip {
  display: inline-flex;
  align-items: center;
  padding: 4px 8px;
  border-radius: 0;
  font-size: 10px;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: #666;
  background: transparent;
  border: 1px solid #e0e0e0;
  transition: all 0.3s cubic-bezier(0.23, 1, 0.320, 1);
}

.project-chip:hover {
  background: #000;
  color: #fff;
  border-color: #000;
}

.project-description {
  font-size: 14px;
  color: #555;
  margin-bottom: 12px;
  line-height: 1.6;
  font-weight: 400;
}

.project-meta {
  font-size: 11px;
  color: #999;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-weight: 500;
}

.external-link::after {
  content: " ↗";
  font-size: 10px;
  vertical-align: top;
}

/* Third column styles */
.detail-column {
  padding: 48px 48px 48px 32px;
  border-left: 1px solid #e0e0e0;
  display: none;
  overflow-y: auto;
  height: 100vh;
  scrollbar-width: none; /* Firefox */
  -ms-overflow-style: none; /* Internet Explorer 10+ */
  background: #fff;
}

.detail-column::-webkit-scrollbar {
  width: 0;
  height: 0;
  display: none; /* WebKit */
}

.detail-column.active {
  display: block;
}

.detail-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 30px;
  margin-bottom: 40px;
  padding-bottom: 20px;
  border-bottom: 2px solid #000;
  position: relative;
}

.detail-header::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -2px;
  width: 32px;
  height: 2px;
  background: #ff3333;
}

.detail-title {
  font-size: 24px;
  font-weight: 500;
  letter-spacing: -0.02em;
  color: #000;
}

.close-button {
  background: none;
  border: none;
  font-size: 20px;
  cursor: pointer;
  color: #999;
  transition: all 0.3s cubic-bezier(0.23, 1, 0.320, 1);
  padding: 4px;
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.close-button:hover {
  color: #ff3333;
  background: #f8f8f8;
}

.detail-content {
  line-height: 1.5;
}

.detail-section {
  margin-bottom: 30px;
}

.detail-section h3 {
  font-size: 14px;
  font-weight: normal;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: #666;
  margin-bottom: 15px;
}

.detail-section p {
  font-size: 14px;
  color: #333;
  margin-bottom: 15px;
}

.detail-section ul {
  list-style: none;
  padding-left: 0;
}

.detail-section li {
  font-size: 14px;
  color: #333;
  margin-bottom: 8px;
  position: relative;
  padding-left: 15px;
}

.detail-section li::before {
  content: "•";
  position: absolute;
  left: 0;
  color: #666;
}

.tech-tag {
  display: inline-block;
  background: #f0f0f0;
  color: #333;
  padding: 4px 8px;
  font-size: 12px;
  border-radius: 4px;
  margin-right: 8px;
  margin-bottom: 8px;
}

.visit-button {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: #000;
  color: #fff;
  text-decoration: none;
  padding: 16px 24px;
  font-size: 14px;
  font-weight: 500;
  border-radius: 0;
  transition: all 0.3s cubic-bezier(0.23, 1, 0.320, 1);
  margin-top: 24px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  border: 2px solid #000;
}

.visit-button:hover {
  background: #fff;
  color: #000;
  border-color: #000;
}

.visit-button::after {
  content: "↗";
  font-size: 12px;
}

.project-image {
  width: 100%;
  border-radius: 8px;
  margin-bottom: 20px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

/* Article content styling - integrated from paradigm-shifts-article.html */
.article-container {
  font-family: "Helvetica Neue", "Arial", sans-serif;
  line-height: 1.5;
  color: #333;
  padding: 0;
}

.article-header {
  padding-bottom: 20px;
  margin-bottom: 40px;
  border-bottom: 1px solid #e0e0e0;
  position: relative;
}

.article-header h1 {
  font-size: 24px;
  margin-bottom: 12px;
  font-weight: 500;
  letter-spacing: -0.02em;
  color: #000;
  line-height: 1.2;
}

.article-subtitle {
  font-size: 18px;
  color: #666;
  font-weight: 400;
  margin-bottom: 0;
  line-height: 1.4;
}

.article-content h2 {
  font-size: 20px;
  font-weight: 500;
  margin-top: 40px;
  margin-bottom: 20px;
  color: #000;
  letter-spacing: -0.02em;
  line-height: 1.2;
  position: relative;
  padding-bottom: 8px;
}

.article-content h2::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 24px;
  height: 1px;
  background: #ff3333;
}

.article-content p {
  font-size: 15px;
  line-height: 1.6;
  margin-bottom: 20px;
  color: #333;
  font-weight: 400;
}

.article-content blockquote {
  border-left: 4px solid #ff3333;
  padding-left: 24px;
  padding-right: 24px;
  margin: 32px 0;
  font-size: 16px;
  font-style: italic;
  color: #555;
  line-height: 1.5;
  background: #fafafa;
  padding-top: 16px;
  padding-bottom: 16px;
  position: relative;
}

.article-content blockquote::before {
  content: "";
  position: absolute;
  left: -8px;
  top: -8px;
  font-size: 48px;
  color: #ff3333;
  font-family: Georgia, serif;
  opacity: 0.3;
}