/* Page-Specific Styles */

/* Home Page - Centered Tree */
.tree-home {
  font-family: var(--font-mono);
  font-size: var(--text-base); /* 13px - matches body */
  line-height: 1.6;
  max-width: 420px;
}

.tree-home__root {
  font-size: var(--text-lg); /* 15px - subtle emphasis */
  font-weight: 500;
  color: var(--text);
  margin-bottom: 2px;
  display: inline-block;
  text-decoration: none;
  transition: color var(--transition-fast);
}

.tree-home__root:hover {
  color: var(--text-muted);
}

.tree-home__tagline {
  color: var(--text-muted);
  margin-bottom: var(--space-3);
}

.tree-home__about {
  color: var(--text-muted);
  margin-top: var(--space-2);
  margin-bottom: var(--space-6);
  max-width: 380px;
  font-size: var(--text-xs);
  line-height: 1.7;
}

.tree-home__branches {
  display: flex;
  flex-direction: column;
  gap: 0;
  margin-bottom: var(--space-3);
}

.tree-home__branch {
  display: flex;
  align-items: baseline;
  gap: var(--space-2);
  text-decoration: none;
  color: var(--text);
  padding: 1px 0;
  transition: all var(--transition-fast);
}

.tree-home__branch:hover {
  padding-left: var(--space-1);
}

.tree-home__connector {
  color: var(--text-muted);
  flex-shrink: 0;
}

.tree-home__label {
  font-weight: 500;
}

.tree-home__desc {
  color: var(--text-muted);
}

.tree-home__branch:hover .tree-home__connector {
  color: var(--text);
}

.tree-home__branch:hover .tree-home__desc {
  color: var(--text);
}

.tree-home__contact {
  color: #888;
  display: flex;
  gap: var(--space-2);
  margin-top: var(--space-4);
  font-size: var(--text-xs);
}

.tree-home__contact a {
  color: #888;
  text-decoration: none;
  transition: color var(--transition-fast);
}

.tree-home__contact a:hover {
  color: var(--text-muted);
}

/* Old tree styles (for reference, can be removed) */
.tree {
  max-width: 500px;
}

.tree__root {
  font-family: var(--font-sans);
  font-size: var(--text-2xl);
  font-weight: 500;
  margin-bottom: var(--space-2);
}

.tree__tagline {
  color: var(--text-muted);
  margin-bottom: var(--space-8);
  font-size: var(--text-xs);
}

.tree__branches {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.tree__branch {
  display: flex;
  align-items: baseline;
  gap: var(--space-3);
  text-decoration: none;
  color: var(--text);
  padding: var(--space-2) 0;
  transition: all var(--transition-fast);
}

.tree__branch:hover {
  padding-left: var(--space-2);
}

.tree__connector {
  font-family: var(--font-mono);
  color: var(--text-muted);
  flex-shrink: 0;
}

.tree__label {
  font-family: var(--font-sans);
  font-size: var(--text-lg);
  font-weight: 500;
}

.tree__desc {
  font-size: var(--text-xs);
  color: var(--text-muted);
}

.tree__branch:hover .tree__connector {
  color: var(--text);
}

.tree__branch:hover .tree__desc {
  color: var(--text);
}

/* Tree Path - Breadcrumb showing navigation depth */
.tree-path {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  margin-bottom: var(--space-6);
}

.tree-path__item {
  color: var(--text-muted);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.tree-path__item:hover {
  color: var(--text);
}

.tree-path__item--current {
  color: var(--text);
}

.tree-path__connector {
  color: var(--text-muted);
}

/* Portfolio Page */
.portfolio__header {
  margin-bottom: var(--space-8);
}

.portfolio__section {
  margin-bottom: var(--space-12);
}

.portfolio__section-title {
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-muted);
  margin-bottom: var(--space-4);
}

/* History / Timeline Page */
.timeline {
  position: relative;
  padding-left: var(--space-6);
}

.timeline::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 1px;
  background: var(--border);
}

.timeline__item {
  position: relative;
  padding-bottom: var(--space-8);
}

.timeline__item::before {
  content: '';
  position: absolute;
  left: calc(-1 * var(--space-6));
  top: 8px;
  width: 6px;
  height: 6px;
  background: var(--text);
  border-radius: 50%;
  transform: translateX(-50%);
}

.timeline__item--education::before {
  background: var(--accent);
}

.timeline__date {
  font-size: var(--text-xs);
  color: var(--text-muted);
  margin-bottom: var(--space-1);
}

.timeline__title {
  font-family: var(--font-sans);
  font-size: var(--text-base);
  font-weight: 500;
  margin-bottom: var(--space-1);
}

.timeline__company {
  font-size: var(--text-xs);
  margin-bottom: var(--space-2);
}

.timeline__description {
  color: var(--text-muted);
  font-size: var(--text-xs);
}

/* Writing Page */
.article-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
}

.article-preview {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.article-preview__title {
  font-family: var(--font-sans);
  font-size: var(--text-lg);
  font-weight: 500;
  transition: color var(--transition-fast);
}

.article-preview:hover .article-preview__title {
  color: var(--text-muted);
}

.article-preview__meta {
  font-size: var(--text-xs);
  color: var(--text-muted);
}

.article-preview__excerpt {
  color: var(--text-muted);
  font-size: var(--text-xs);
  max-width: 55ch;
}

/* Project Detail Page */
.project {
  max-width: var(--max-width-text);
}

.project__header {
  margin-bottom: var(--space-8);
}

.project__title {
  font-size: var(--text-xl);
  margin-bottom: var(--space-3);
}

.project__meta {
  display: flex;
  gap: var(--space-4);
  color: var(--text-muted);
  font-size: var(--text-xs);
}

.project__metrics {
  display: flex;
  gap: var(--space-6);
  padding: var(--space-4);
  background: var(--bg-subtle);
  border-radius: 4px;
  margin: var(--space-6) 0;
}

.project__content {
  line-height: var(--leading-relaxed);
}

.project__content h2 {
  margin-top: var(--space-8);
  margin-bottom: var(--space-3);
  font-size: var(--text-base);
}

.project__content h3 {
  margin-top: var(--space-6);
  margin-bottom: var(--space-2);
}

.project__content p {
  margin-bottom: var(--space-3);
  font-size: var(--text-xs);
}

.project__content ul,
.project__content ol {
  margin-bottom: var(--space-3);
  padding-left: var(--space-4);
  font-size: var(--text-xs);
}

.project__content li {
  margin-bottom: var(--space-1);
  list-style: disc;
}

/* Lead paragraph - slightly larger intro text */
.project__content .lead {
  font-size: var(--text-base);
  color: var(--text);
  margin-bottom: var(--space-6);
}

/* Formula callout - centered, emphasized */
.project__content .formula {
  font-family: var(--font-mono);
  font-size: var(--text-base);
  text-align: center;
  padding: var(--space-4);
  background: var(--bg-subtle);
  border-radius: 4px;
  margin: var(--space-4) 0 var(--space-6) 0;
}

/* Responsive */
@media (max-width: 768px) {
  .tree-home {
    padding: var(--space-8);
    max-width: 100%;
    width: 100%;
    box-sizing: border-box;
  }

  .tree-home__about {
    font-size: var(--text-xs);
  }

  .timeline {
    padding-left: var(--space-4);
  }

  .timeline__item::before {
    left: calc(-1 * var(--space-4));
  }

  .project__metrics {
    flex-direction: column;
    gap: var(--space-3);
  }
}