.blog-post-wrapper {
  --blog-color-bg: #FAFAF8;
  --blog-color-surface: #FFFFFF;
  --blog-color-text: #1A1A1A;
  --blog-color-text-secondary: #555555;
  --blog-color-accent: #1B6B4A;
  --blog-color-accent-light: #E8F5EE;
  --blog-color-accent-dark: #134D35;
  --blog-color-border: #E2E0DC;
  --blog-color-border-light: #F0EEEB;
  --blog-color-highlight: #FFF8E7;
  --blog-color-highlight-border: #E8D5A0;
  --blog-color-elevation-start: #D4553A;
  --blog-color-elevation-end: #1B6B4A;
  --blog-color-newton: #C4842D;
  --blog-font-display: 'DM Serif Display', Georgia, serif;
  --blog-font-body: 'Source Sans 3', -apple-system, BlinkMacSystemFont, sans-serif;
  --blog-font-mono: 'JetBrains Mono', monospace;
  --blog-max-width: 740px;
  --blog-space-xs: 0.5rem;
  --blog-space-sm: 1rem;
  --blog-space-md: 1.5rem;
  --blog-space-lg: 2.5rem;
  --blog-space-xl: 4rem;
  font-family: var(--blog-font-body);
  color: var(--blog-color-text);
  background: var(--blog-color-bg);
  line-height: 1.72;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  font-size: 18px;
}

.blog-breadcrumb {
  max-width: var(--blog-max-width);
  margin: var(--blog-space-md) auto 0;
  padding: 0 var(--blog-space-md);
  font-size: 0.78rem;
  color: var(--blog-color-text-secondary);
  letter-spacing: 0.02em;
}
.blog-breadcrumb a {
  color: var(--blog-color-accent);
  text-decoration: none;
}
.blog-breadcrumb a:hover { text-decoration: underline; }
.blog-breadcrumb span { margin: 0 0.4em; opacity: 0.5; }

.blog-article {
  max-width: var(--blog-max-width);
  margin: 0 auto;
  padding: 0 var(--blog-space-md) var(--blog-space-xl);
}

.blog-article .article-header {
  padding: var(--blog-space-lg) 0 var(--blog-space-lg);
  border-bottom: 1px solid var(--blog-color-border);
  margin-bottom: var(--blog-space-lg);
}
.blog-article .article-meta {
  display: flex;
  align-items: center;
  gap: var(--blog-space-sm);
  margin-bottom: var(--blog-space-md);
  flex-wrap: wrap;
}
.blog-article .article-tag {
  font-family: var(--blog-font-mono);
  font-size: 0.67rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--blog-color-accent);
  background: var(--blog-color-accent-light);
  padding: 0.25em 0.75em;
  border-radius: 3px;
}
.blog-article .article-date {
  font-size: 0.82rem;
  color: var(--blog-color-text-secondary);
}

.blog-article h1 {
  font-family: var(--blog-font-display);
  font-size: 2.6rem;
  line-height: 1.15;
  font-weight: 400;
  color: var(--blog-color-text);
  margin-bottom: var(--blog-space-md);
  letter-spacing: -0.01em;
}
.blog-article .article-subtitle {
  font-size: 1.15rem;
  color: var(--blog-color-text-secondary);
  line-height: 1.65;
  max-width: 620px;
}
.blog-article .article-author {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-top: var(--blog-space-md);
  padding-top: var(--blog-space-md);
  border-top: 1px solid var(--blog-color-border-light);
}
.blog-article .author-avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--blog-color-accent);
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--blog-font-display);
  font-size: 1rem;
  flex-shrink: 0;
}
.blog-article .author-info { font-size: 0.85rem; line-height: 1.4; }
.blog-article .author-name { font-weight: 700; }
.blog-article .author-name a { color: var(--blog-color-text); text-decoration: none; }
.blog-article .author-name a:hover { color: var(--blog-color-accent); }
.blog-article .author-title { color: var(--blog-color-text-secondary); }

.blog-article .toc {
  background: var(--blog-color-surface);
  border: 1px solid var(--blog-color-border);
  border-radius: 6px;
  padding: var(--blog-space-md) var(--blog-space-md);
  margin-bottom: var(--blog-space-xl);
}
.blog-article .toc-title {
  font-family: var(--blog-font-mono);
  font-size: 0.72rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--blog-color-text-secondary);
  margin-bottom: var(--blog-space-sm);
}
.blog-article .toc ol {
  list-style: none;
  counter-reset: toc-counter;
  padding: 0;
  margin: 0;
}
.blog-article .toc li {
  counter-increment: toc-counter;
  margin-bottom: 0.35rem;
}
.blog-article .toc li::before {
  content: counter(toc-counter, decimal-leading-zero);
  font-family: var(--blog-font-mono);
  font-size: 0.72rem;
  color: var(--blog-color-accent);
  margin-right: 0.6rem;
  font-weight: 500;
}
.blog-article .toc a {
  color: var(--blog-color-text);
  text-decoration: none;
  font-size: 0.92rem;
  font-weight: 600;
  transition: color 0.15s;
}
.blog-article .toc a:hover { color: var(--blog-color-accent); }

.blog-article h2 {
  font-family: var(--blog-font-display);
  font-size: 1.75rem;
  font-weight: 400;
  margin-top: var(--blog-space-xl);
  margin-bottom: var(--blog-space-md);
  padding-top: var(--blog-space-lg);
  border-top: 1px solid var(--blog-color-border-light);
  letter-spacing: -0.005em;
}

.blog-article h3 {
  font-family: var(--blog-font-body);
  font-size: 1.15rem;
  font-weight: 700;
  margin-top: var(--blog-space-lg);
  margin-bottom: var(--blog-space-sm);
  color: var(--blog-color-text);
}

.blog-article p { margin-bottom: var(--blog-space-md); }
.blog-article p:last-child { margin-bottom: 0; }

.blog-article strong { font-weight: 700; }
.blog-article em { font-style: italic; }

.blog-article a { color: var(--blog-color-accent); text-decoration: underline; text-underline-offset: 2px; }
.blog-article a:hover { color: var(--blog-color-accent-dark); }

.blog-article .callout {
  background: var(--blog-color-highlight);
  border-left: 3px solid var(--blog-color-highlight-border);
  padding: var(--blog-space-md);
  border-radius: 0 6px 6px 0;
  margin: var(--blog-space-lg) 0;
  font-size: 0.95rem;
}
.blog-article .callout-label {
  font-family: var(--blog-font-mono);
  font-size: 0.7rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--blog-color-newton);
  margin-bottom: 0.4rem;
}

.blog-article .callout--green {
  background: var(--blog-color-accent-light);
  border-left-color: var(--blog-color-accent);
}
.blog-article .callout--green .callout-label { color: var(--blog-color-accent-dark); }

.blog-article .segment {
  background: var(--blog-color-surface);
  border: 1px solid var(--blog-color-border);
  border-radius: 6px;
  padding: var(--blog-space-md);
  margin: var(--blog-space-md) 0;
}
.blog-article .segment-header {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-bottom: 0.6rem;
  flex-wrap: wrap;
  gap: 0.5rem;
}
.blog-article .segment h3 {
  margin: 0;
  font-size: 1.05rem;
}
.blog-article .segment-elevation {
  font-family: var(--blog-font-mono);
  font-size: 0.75rem;
  color: var(--blog-color-text-secondary);
  background: var(--blog-color-bg);
  padding: 0.2em 0.6em;
  border-radius: 3px;
  white-space: nowrap;
}

.blog-article .pacing-table {
  width: 100%;
  border-collapse: collapse;
  margin: var(--blog-space-md) 0;
  font-size: 0.92rem;
}
.blog-article .pacing-table th {
  text-align: left;
  font-family: var(--blog-font-mono);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--blog-color-text-secondary);
  padding: 0.6rem 0.8rem;
  border-bottom: 2px solid var(--blog-color-border);
}
.blog-article .pacing-table td {
  padding: 0.7rem 0.8rem;
  border-bottom: 1px solid var(--blog-color-border-light);
  vertical-align: top;
}
.blog-article .pacing-table tr:last-child td { border-bottom: none; }
.blog-article .pacing-table .pace-miles {
  font-weight: 700;
  white-space: nowrap;
}
.blog-article .pacing-table .pace-value {
  font-family: var(--blog-font-mono);
  font-size: 0.88rem;
  color: var(--blog-color-accent-dark);
  font-weight: 500;
  white-space: nowrap;
}

.blog-article .hill-card {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 0 var(--blog-space-sm);
  padding: var(--blog-space-sm) 0;
  border-bottom: 1px solid var(--blog-color-border-light);
}
.blog-article .hill-card:last-child { border-bottom: none; }
.blog-article .hill-number {
  font-family: var(--blog-font-mono);
  font-size: 0.72rem;
  font-weight: 500;
  color: var(--blog-color-surface);
  background: var(--blog-color-newton);
  width: 24px;
  height: 24px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-top: 0.15rem;
}
.blog-article .hill-name { font-weight: 700; }
.blog-article .hill-stats {
  font-family: var(--blog-font-mono);
  font-size: 0.78rem;
  color: var(--blog-color-text-secondary);
}

.blog-article .workout {
  background: var(--blog-color-surface);
  border: 1px solid var(--blog-color-border);
  border-radius: 6px;
  padding: var(--blog-space-md);
  margin: var(--blog-space-md) 0;
}
.blog-article .workout-title {
  font-weight: 700;
  font-size: 1.02rem;
  margin-bottom: 0.15rem;
}
.blog-article .workout-timing {
  font-family: var(--blog-font-mono);
  font-size: 0.72rem;
  color: var(--blog-color-text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: var(--blog-space-sm);
}
.blog-article .workout ul {
  list-style: none;
  margin: var(--blog-space-sm) 0;
  padding: 0;
}
.blog-article .workout li {
  position: relative;
  padding-left: 1.2rem;
  margin-bottom: 0.4rem;
  font-size: 0.92rem;
}
.blog-article .workout li::before {
  content: '\2192';
  position: absolute;
  left: 0;
  color: var(--blog-color-accent);
  font-weight: 600;
}

.blog-article .strength-list {
  list-style: none;
  margin: var(--blog-space-sm) 0 var(--blog-space-md);
  padding: 0;
}
.blog-article .strength-list li {
  padding: 0.5rem 0;
  border-bottom: 1px solid var(--blog-color-border-light);
  font-size: 0.92rem;
}
.blog-article .strength-list li:last-child { border-bottom: none; }
.blog-article .strength-list strong { color: var(--blog-color-text); }
.blog-article .strength-list .sets {
  font-family: var(--blog-font-mono);
  font-size: 0.78rem;
  color: var(--blog-color-accent-dark);
}

.blog-article .weather-grid {
  display: grid;
  gap: var(--blog-space-sm);
  margin: var(--blog-space-md) 0;
}
.blog-article .weather-card {
  background: var(--blog-color-surface);
  border: 1px solid var(--blog-color-border);
  border-radius: 6px;
  padding: var(--blog-space-sm) var(--blog-space-md);
}
.blog-article .weather-range {
  font-family: var(--blog-font-mono);
  font-size: 0.82rem;
  font-weight: 500;
  margin-bottom: 0.3rem;
}
.blog-article .weather-card p { font-size: 0.9rem; margin-bottom: 0; }

.blog-article .mental-segment {
  display: grid;
  grid-template-columns: 4rem 1fr;
  gap: 0 var(--blog-space-sm);
  padding: var(--blog-space-sm) 0;
  border-bottom: 1px solid var(--blog-color-border-light);
  align-items: start;
}
.blog-article .mental-segment:last-child { border-bottom: none; }
.blog-article .mental-miles {
  font-family: var(--blog-font-mono);
  font-size: 0.78rem;
  color: var(--blog-color-text-secondary);
  padding-top: 0.15rem;
}
.blog-article .mental-label { font-weight: 700; margin-bottom: 0.15rem; }
.blog-article .mental-mantra {
  font-style: italic;
  color: var(--blog-color-accent-dark);
  font-size: 0.92rem;
}
.blog-article .mental-desc { font-size: 0.9rem; color: var(--blog-color-text-secondary); margin-top: 0.25rem; }

.blog-article .cta-block {
  background: var(--blog-color-accent);
  color: white;
  border-radius: 8px;
  padding: var(--blog-space-lg) var(--blog-space-md);
  margin: var(--blog-space-xl) 0;
  text-align: center;
}
.blog-article .cta-block h2 {
  color: white;
  border: none;
  padding: 0;
  margin: 0 0 var(--blog-space-sm);
  font-size: 1.6rem;
}
.blog-article .cta-block p {
  color: rgba(255,255,255,0.88);
  max-width: 520px;
  margin: 0 auto var(--blog-space-md);
  font-size: 0.95rem;
}
.blog-article .cta-block ul {
  list-style: none;
  text-align: left;
  max-width: 440px;
  margin: 0 auto var(--blog-space-md);
  padding: 0;
}
.blog-article .cta-block li {
  padding: 0.3rem 0;
  font-size: 0.9rem;
  color: rgba(255,255,255,0.9);
}
.blog-article .cta-block li::before {
  content: '\2713 ';
  color: rgba(255,255,255,0.7);
  font-weight: 700;
}
.blog-article .cta-btn {
  display: inline-block;
  background: white;
  color: var(--blog-color-accent-dark);
  font-weight: 700;
  font-size: 1rem;
  padding: 0.85rem 2.2rem;
  border-radius: 5px;
  text-decoration: none;
  transition: transform 0.15s, box-shadow 0.15s;
}
.blog-article .cta-btn:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 16px rgba(0,0,0,0.15);
  color: var(--blog-color-accent-dark);
}

.blog-article .inline-cta {
  background: var(--blog-color-accent-light);
  border: 1px solid rgba(27,107,74,0.2);
  border-radius: 6px;
  padding: var(--blog-space-sm) var(--blog-space-md);
  margin: var(--blog-space-lg) 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--blog-space-sm);
  flex-wrap: wrap;
}
.blog-article .inline-cta p { margin: 0; font-size: 0.92rem; font-weight: 600; color: var(--blog-color-accent-dark); }
.blog-article .inline-cta a {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--blog-color-accent);
  text-decoration: none;
  white-space: nowrap;
}
.blog-article .inline-cta a:hover { text-decoration: underline; }

.blog-article .faq-section { margin-top: var(--blog-space-xl); }
.blog-article .faq-item {
  border-bottom: 1px solid var(--blog-color-border);
  padding: var(--blog-space-md) 0;
}
.blog-article .faq-item:first-child { border-top: 1px solid var(--blog-color-border); }
.blog-article .faq-question {
  font-weight: 700;
  font-size: 1.02rem;
  margin-bottom: 0.5rem;
  color: var(--blog-color-text);
}
.blog-article .faq-answer {
  color: var(--blog-color-text-secondary);
  font-size: 0.92rem;
  line-height: 1.7;
}

@media (max-width: 640px) {
  .blog-post-wrapper { font-size: 16px; }
  .blog-article h1 { font-size: 2rem; }
  .blog-article h2 { font-size: 1.45rem; }
  .blog-article .mental-segment { grid-template-columns: 1fr; gap: 0.25rem; }
  .blog-article .mental-miles { padding: 0; }
  .blog-article .segment-header { flex-direction: column; }
  .blog-article .inline-cta { flex-direction: column; align-items: flex-start; }
}