/* Base styles */
*,
*::before,
*::after {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: system-ui, -apple-system, sans-serif;
  line-height: 1.6;
  color: #333;
}

/* Site header */
.site-header {
  border-bottom: 1px solid #eee;
}

.site-nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  max-width: 1200px;
  margin: 0 auto;
  padding: 1rem 2rem;
}

.site-branding {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.site-logo img {
  height: 2rem;
  width: auto;
  display: block;
}

.site-title {
  font-weight: 600;
  text-decoration: none;
  color: inherit;
  display: none;
}

@media (min-width: 768px) {
  .site-title {
    display: block;
  }
}

.nav-links {
  display: flex;
  gap: 2rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-links a {
  text-decoration: none;
  color: inherit;
}

.nav-links a:hover {
  text-decoration: underline;
}

/* Main content */
.site-content {
  max-width: 1200px;
  margin: 0 auto;
  padding: 2rem;
}

/* Lead section */
.lead {
  display: flex;
  flex-direction: column;
  gap: 2rem;
  margin-bottom: 3rem;
}

.lead-image img {
  width: 100%;
  border-radius: 8px;
}

.lead-text h1 {
  margin: 0 0 0.5rem;
}

.lead-text h2 {
  margin: 0;
  font-weight: 400;
  color: #666;
}

@media (min-width: 768px) {
  .lead {
    flex-direction: row;
    align-items: flex-start;
  }

  .lead-image,
  .lead-text {
    flex: 1;
  }
}

/* Project cards */
.project-cards {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1.5rem;
}

.project-card {
  display: block;
  position: relative;
  border-radius: 8px;
  overflow: hidden;
  text-decoration: none;
  color: inherit;
  transition: box-shadow 0.2s;
}

.project-card:hover {
  box-shadow: 0 4px 12px rgba(0,0,0,0.1);
}

.project-card-image img {
  width: 100%;
  display: block;
}

.project-card-content {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 1rem;
  background: linear-gradient(transparent, rgba(0,0,0,0.7));
  color: white;
}

.project-card-content h2 {
  margin: 0;
  font-size: 1.125rem;
}

.project-header {
  margin-bottom: 2rem;
}

.project-tags {
  display: flex;
  gap: 0.5rem;
  margin-top: 0.5rem;
}

.tag {
  background: #f0f0f0;
  padding: 0.25rem 0.75rem;
  border-radius: 4px;
  font-size: 0.875rem;
}

/* Marginalia */
.masonry-grid {
  columns: 3 300px;
  column-gap: 1rem;
}

.masonry-item {
  position: relative;
  break-inside: avoid;
  margin-bottom: 1rem;
  cursor: pointer;
  overflow: hidden;
  border-radius: 8px;
}

.masonry-item img {
  width: 100%;
  display: block;
  transition: transform 0.2s;
}

.masonry-item:hover img {
  transform: scale(1.02);
}

.masonry-item-overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 1rem;
  background: linear-gradient(transparent, rgba(0,0,0,0.7));
  color: white;
  opacity: 0;
  transition: opacity 0.2s;
}

.masonry-item:hover .masonry-item-overlay {
  opacity: 1;
}

/* Marginalia overlay */
.marginalia-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.9);
  display: none;
  z-index: 1000;
}

.marginalia-overlay.active {
  display: flex;
  align-items: center;
  justify-content: center;
}

.overlay-close {
  position: absolute;
  top: 1rem;
  right: 1rem;
  background: none;
  border: none;
  color: white;
  font-size: 2rem;
  cursor: pointer;
  z-index: 1001;
}

.overlay-content {
  width: 90%;
  max-width: 900px;
  height: 90%;
  background: white;
  border-radius: 8px;
  overflow: hidden;
}

.overlay-content iframe {
  width: 100%;
  height: 100%;
}

/* Marginalia item page */
.marginalia-item {
  max-width: 800px;
  margin: 0 auto;
}

.marginalia-figure {
  margin: 0 0 2rem;
}

.marginalia-figure img {
  width: 100%;
  border-radius: 8px;
}

/* Longform */
.longform-index h1 {
  margin-bottom: 2rem;
}

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

.longform-list li {
  border-bottom: 1px solid #eee;
}

.longform-list a {
  display: block;
  padding: 1.5rem 0;
  text-decoration: none;
  color: inherit;
}

.longform-list a:hover {
  background: #fafafa;
}

.longform-list .longform-title {
  display: block;
  font-size: 1.25rem;
  font-weight: 600;
}

.longform-list .longform-description {
  display: block;
  margin-top: 0.25rem;
  color: #666;
}

.longform {
  max-width: 700px;
  margin: 0 auto;
}

.longform-header {
  margin-bottom: 2rem;
}

.longform-header h1 {
  margin: 0 0 0.5rem;
}

.longform-header .longform-description {
  color: #666;
  font-size: 1.125rem;
  margin: 0;
}

.longform-content {
  line-height: 1.8;
}

/* Recent essays (homepage) */
.recent-essays {
  margin-top: 3rem;
}

.essay-list {
  list-style: none;
  padding: 0;
  margin: 0 0 1rem;
}

.essay-list li {
  border-bottom: 1px solid #eee;
}

.essay-list a {
  display: block;
  padding: 1rem 0;
  text-decoration: none;
  color: inherit;
}

.essay-list a:hover {
  background: #fafafa;
}

.essay-list .essay-title {
  display: block;
  font-size: 1.125rem;
  font-weight: 600;
}

.essay-list .essay-description {
  display: block;
  margin-top: 0.25rem;
  color: #666;
  font-size: 0.875rem;
}

/* Site footer */
.site-footer {
  border-top: 1px solid #eee;
  margin-top: 3rem;
  padding: 2rem;
  text-align: center;
  color: #666;
  font-size: 0.875rem;
}

.site-footer p {
  margin: 0;
}