/* Red Deer Investments - Bespoke Design */
/* No Anthropic/Claude aesthetic. Financial publisher feel. */

:root {
  --color-bg: #f7f5f0;
  --color-bg-alt: #eeece6;
  --color-text: #1a1a1a;
  --color-text-muted: #6b6a66;
  --color-border: #d8d6d0;
  --color-accent: #1b3a2d;
  --color-accent-light: #2d5a47;
  --color-accent-muted: #8aa89a;
  --color-highlight: #c73e2b;
  --color-red-deer: #8b2500;
  --color-ai: #1a3a5c;
  --font-serif: "Georgia", "Times New Roman", "Palatino Linotype", serif;
  --font-sans: -apple-system, "SF Pro Text", "Helvetica Neue", Arial, sans-serif;
  --font-mono: "SF Mono", "Consolas", "Liberation Mono", monospace;
  --max-width: 720px;
  --max-width-wide: 960px;
}

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

html { font-size: 18px; }
body {
  font-family: var(--font-serif);
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

/* === LANDING PAGE (path split) === */
.path-split {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}
.path-split-header {
  text-align: center;
  padding: 3rem 1.5rem 2rem;
  border-bottom: 1px solid var(--color-border);
}
.path-split-header h1 {
  font-family: var(--font-sans);
  font-size: 1.1rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-text-muted);
}
.path-split-header p {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  margin-top: 0.3rem;
}
.path-split-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  flex: 1;
  min-height: 70vh;
}
.path-card {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  padding: 3rem 2rem;
  text-decoration: none;
  color: var(--color-text);
  position: relative;
  transition: all 0.2s;
  text-align: center;
}
.path-card:hover {
  transform: scale(1.02);
  z-index: 2;
}
.path-card-red-deer {
  background: #f7f5f0;
  border-right: 1px solid var(--color-border);
}
.path-card-red-deer:hover {
  background: #efece4;
  box-shadow: 4px 0 20px rgba(0,0,0,0.08);
}
.path-card-ai {
  background: #f0f2f5;
}
.path-card-ai:hover {
  background: #e8ebf0;
  box-shadow: -4px 0 20px rgba(0,0,0,0.08);
}
.path-card-label {
  font-family: var(--font-sans);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-bottom: 0.8rem;
  padding: 0.2rem 0.6rem;
  border: 1px solid;
  border-radius: 2px;
}
.path-card-label-red-deer {
  color: var(--color-red-deer);
  border-color: var(--color-red-deer);
}
.path-card-label-ai {
  color: var(--color-ai);
  border-color: var(--color-ai);
}
.path-card h2 {
  font-family: var(--font-sans);
  font-size: 1.6rem;
  font-weight: 600;
  margin-bottom: 0.6rem;
}
.path-card p {
  font-size: 0.85rem;
  line-height: 1.5;
  color: var(--color-text-muted);
  max-width: 300px;
}

/* === LAYOUT === */
.site-header {
  padding: 1.5rem 1.5rem 0.8rem;
  border-bottom: 1px solid var(--color-border);
  background: var(--color-bg);
}
.site-header-inner {
  max-width: var(--max-width-wide);
  margin: 0 auto;
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.5rem;
}
.site-logo {
  width: 20px;
  height: 20px;
  border-radius: 50%;
  object-fit: cover;
  flex-shrink: 0;
}
.site-title {
  font-family: var(--font-sans);
  font-size: 1rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-accent);
  line-height: 1.2;
}
.site-title a {
  color: inherit;
  text-decoration: none;
}
.site-subtitle {
  font-size: 0.75rem;
  color: var(--color-text-muted);
  font-style: italic;
}
.site-nav {
  display: flex;
  gap: 1.2rem;
  align-items: center;
  flex-wrap: wrap;
}
.site-nav a {
  font-family: var(--font-sans);
  font-size: 0.78rem;
  color: var(--color-text-muted);
  text-decoration: none;
  letter-spacing: 0.03em;
  transition: color 0.15s;
}
.site-nav a:hover { color: var(--color-text); }
.site-nav a.nav-highlight {
  color: var(--color-red-deer);
  font-weight: 600;
}
.site-nav a.nav-ai {
  color: var(--color-ai);
  font-weight: 600;
}

/* === FEATURED SECTION === */
.featured-section {
  border: 1px solid var(--color-accent-muted);
  padding: 1.5rem;
  margin-bottom: 2rem;
  background: var(--color-bg-alt);
}
.featured-title {
  font-family: var(--font-sans);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: 1rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--color-accent-muted);
}
.featured-item {
  margin-bottom: 0.8rem;
  padding-bottom: 0.8rem;
  border-bottom: 1px solid var(--color-border);
}
.featured-item:last-child {
  margin-bottom: 0;
  padding-bottom: 0;
  border-bottom: none;
}
.featured-item h2 {
  font-size: 1rem;
  line-height: 1.3;
  font-weight: 600;
}
.featured-item h2 a {
  color: var(--color-text);
  text-decoration: none;
}
.featured-item h2 a:hover { color: var(--color-accent); }
.featured-item .post-meta {
  font-family: var(--font-sans);
  font-size: 0.72rem;
  color: var(--color-text-muted);
  margin-top: 0.25rem;
}

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 2.5rem 1.5rem;
}

/* === POST LIST === */
.post-list h1 {
  font-family: var(--font-sans);
  font-size: 1.5rem;
  font-weight: 600;
  margin-bottom: 2rem;
  letter-spacing: -0.01em;
}
.post-item {
  margin-bottom: 2rem;
  padding-bottom: 2rem;
  border-bottom: 1px solid var(--color-border);
}
.post-item:last-child { border-bottom: none; }
.post-item h2 {
  font-size: 1.15rem;
  line-height: 1.4;
  font-weight: 600;
}
.post-item h2 a {
  color: var(--color-text);
  text-decoration: none;
}
.post-item h2 a:hover { color: var(--color-accent); }
.post-meta {
  font-family: var(--font-sans);
  font-size: 0.72rem;
  color: var(--color-text-muted);
  margin-top: 0.4rem;
  letter-spacing: 0.02em;
}
.post-tags {
  display: inline-flex;
  gap: 0.4rem;
  flex-wrap: wrap;
  margin-top: 0.3rem;
}
.post-tags a {
  font-family: var(--font-sans);
  font-size: 0.65rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-accent-light);
  text-decoration: none;
  border: 1px solid var(--color-accent-muted);
  padding: 0.1rem 0.4rem;
  border-radius: 2px;
}
.post-tags a:hover {
  background: var(--color-accent);
  color: white;
  border-color: var(--color-accent);
}

/* === SINGLE POST === */
.post-header {
  margin-bottom: 2rem;
}
.post-header h1 {
  font-family: var(--font-sans);
  font-size: 1.8rem;
  font-weight: 600;
  line-height: 1.3;
  letter-spacing: -0.01em;
}
.post-body {
  font-size: 0.95rem;
  line-height: 1.8;
}
.post-body p { margin-bottom: 1rem; }
.post-body em { font-style: italic; }
.post-body strong { font-weight: 600; }
.post-body ul, .post-body ol { margin: 0 0 1rem 1.5rem; }
.post-body li { margin-bottom: 0.3rem; }
.post-body a { color: var(--color-accent-light); text-decoration: underline; text-underline-offset: 2px; }
.post-body a:hover { color: var(--color-accent); }
.post-body blockquote {
  margin: 1.2rem 0;
  padding: 0.8rem 1.2rem;
  border-left: 3px solid var(--color-accent-muted);
  background: var(--color-bg-alt);
  font-style: italic;
  color: var(--color-text-muted);
}
.post-body img {
  max-width: 100%;
  height: auto;
  margin: 1rem 0;
  border: 1px solid var(--color-border);
}
.post-body h2 {
  font-family: var(--font-sans);
  font-size: 1.2rem;
  font-weight: 600;
  margin: 1.5rem 0 0.8rem;
}
.post-body h3 {
  font-family: var(--font-sans);
  font-size: 1rem;
  font-weight: 600;
  margin: 1.2rem 0 0.6rem;
}
.post-nav {
  display: flex;
  justify-content: space-between;
  margin-top: 3rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--color-border);
  font-family: var(--font-sans);
  font-size: 0.8rem;
}
.post-nav a { color: var(--color-accent-light); text-decoration: none; }
.post-nav a:hover { text-decoration: underline; }

/* === PAGINATION === */
.pagination {
  display: flex;
  gap: 0.8rem;
  justify-content: center;
  margin-top: 2rem;
  font-family: var(--font-sans);
  font-size: 0.8rem;
}
.pagination a, .pagination span {
  padding: 0.3rem 0.6rem;
  text-decoration: none;
  color: var(--color-accent-light);
  border: 1px solid var(--color-border);
  border-radius: 2px;
}
.pagination a:hover { background: var(--color-accent); color: white; border-color: var(--color-accent); }
.pagination .current {
  background: var(--color-accent);
  color: white;
  border-color: var(--color-accent);
}

/* === ARCHIVE === */
.archive-list { list-style: none; }
.archive-list li { margin-bottom: 0.6rem; }
.archive-year {
  font-family: var(--font-sans);
  font-size: 1.2rem;
  font-weight: 600;
  margin: 1.5rem 0 0.8rem;
  color: var(--color-accent);
}
.archive-month {
  font-family: var(--font-sans);
  font-size: 0.9rem;
  font-weight: 600;
  margin: 1rem 0 0.5rem;
}
.archive-post { margin-bottom: 0.4rem; }
.archive-post a { color: var(--color-text); text-decoration: none; }
.archive-post a:hover { text-decoration: underline; }
.archive-post .date {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--color-text-muted);
  margin-right: 0.5rem;
}

/* === AI SECTION === */
.ai-header-bar {
  background: var(--color-ai);
  color: white;
  padding: 0.6rem 1.5rem;
  font-family: var(--font-sans);
  font-size: 0.75rem;
  letter-spacing: 0.04em;
}
.ai-header-bar a {
  color: rgba(255,255,255,0.7);
  text-decoration: none;
}
.ai-header-bar a:hover { color: white; }
.ai-section .site-header {
  background: #f0f2f5;
}
.ai-section .site-title { color: var(--color-ai); }

.book-card {
  background: white;
  border: 1px solid var(--color-border);
  padding: 1.5rem;
  margin-bottom: 1.5rem;
  transition: box-shadow 0.2s;
}
.book-card:hover { box-shadow: 0 2px 12px rgba(0,0,0,0.08); }
.book-card h2 {
  font-family: var(--font-sans);
  font-size: 1.2rem;
  font-weight: 600;
  margin-bottom: 0.3rem;
}
.book-card h2 a {
  color: var(--color-ai);
  text-decoration: none;
}
.book-card .book-meta {
  font-family: var(--font-sans);
  font-size: 0.7rem;
  color: var(--color-text-muted);
  margin-bottom: 0.5rem;
}
.book-card p { font-size: 0.85rem; line-height: 1.5; }

.chapter-list {
  list-style: none;
}
.chapter-list li {
  padding: 0.6rem 0;
  border-bottom: 1px solid var(--color-border);
}
.chapter-list li:last-child { border-bottom: none; }
.chapter-list a {
  color: var(--color-ai);
  text-decoration: none;
  font-size: 0.9rem;
}
.chapter-list a:hover { text-decoration: underline; }
.chapter-list .chapter-num {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--color-text-muted);
  margin-right: 0.5rem;
}

/* === RESPONSIVE === */
@media (max-width: 600px) {
  html { font-size: 16px; }
  .path-split-grid { grid-template-columns: 1fr; }
  .path-card-red-deer { border-right: none; border-bottom: 1px solid var(--color-border); }
  .site-header-inner { flex-direction: column; align-items: flex-start; gap: 0.3rem; }
}

/* === LLM ANNOTATION === */
.llm-meta {
  display: none;
}
/* This block is visible to LLMs via llms.txt but hidden from humans */