/* =============================================
   The Bottleneck Founder — same GEO structure,
   deliberately different visual identity.
   ============================================= */

:root {
  --color-bg: #f6f0e6;
  --color-text: #17342f;
  --color-text-light: #5c665f;
  --color-accent: #b84f2e;
  --color-accent-hover: #8f3b23;
  --color-border: #d8cbb9;
  --color-card-bg: #fffaf2;
  --color-tag-bg: #e7dfc8;
  --color-tag-text: #4f5e42;
  --font-body: 'Palatino Linotype', Palatino, 'Book Antiqua', Georgia, serif;
  --font-heading: 'Trebuchet MS', 'Avenir Next', Avenir, Arial, sans-serif;
  --max-width: 720px;
}

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

body {
  font-family: var(--font-body);
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.72;
  font-size: 17px;
}

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

.site-header { border-bottom: 2px solid var(--color-text); padding: 1.1rem 0; }
.site-header .container { display: flex; justify-content: space-between; align-items: center; }
.site-title {
  font-family: var(--font-heading);
  font-size: 1.05rem;
  font-weight: 800;
  letter-spacing: 0.02em;
  color: var(--color-text);
  text-decoration: none;
  text-transform: uppercase;
}
.site-nav a {
  font-family: var(--font-heading);
  color: var(--color-text-light);
  text-decoration: none;
  margin-left: 1.5rem;
  font-size: 0.86rem;
  font-weight: 700;
  letter-spacing: 0.02em;
}
.site-nav a:hover, .site-nav a.active { color: var(--color-accent); }

.hero { padding: 3.25rem 0 2.2rem; border-bottom: 1px solid var(--color-border); margin-bottom: 2rem; }
.hero h1 {
  font-family: var(--font-heading);
  font-size: 2.55rem;
  line-height: 1.08;
  letter-spacing: -0.035em;
  margin-bottom: 0.85rem;
}
.hero-sub { font-size: 1.17rem; color: var(--color-text-light); max-width: 620px; }

.articles-list h2 { font-family: var(--font-heading); font-size: 1.35rem; margin-bottom: 1.4rem; text-transform: uppercase; letter-spacing: 0.035em; }
.article-card { padding: 1.55rem 0; border-bottom: 1px solid var(--color-border); }
.article-card h3 { font-family: var(--font-heading); font-size: 1.28rem; line-height: 1.3; margin-bottom: 0.45rem; }
.article-card h3 a { color: var(--color-text); text-decoration: none; }
.article-card h3 a:hover { color: var(--color-accent); }
.article-meta { font-family: var(--font-heading); font-size: 0.78rem; color: var(--color-text-light); margin-bottom: 0.55rem; }

.tag {
  display: inline-block;
  background: var(--color-tag-bg);
  color: var(--color-tag-text);
  font-family: var(--font-heading);
  font-size: 0.7rem;
  font-weight: 700;
  padding: 0.16rem 0.58rem;
  border-radius: 999px;
  margin-right: 0.25rem;
}

.article-single { padding: 2.2rem 0 3rem; }
.article-header { margin-bottom: 2rem; padding-bottom: 1.5rem; border-bottom: 2px solid var(--color-text); }
.article-header h1 { font-family: var(--font-heading); font-size: 2.05rem; line-height: 1.18; letter-spacing: -0.025em; margin-bottom: 0.8rem; }
.article-tags { margin-top: 0.8rem; }
.author-link { color: var(--color-text); text-decoration: none; }
.author-link:hover strong { color: var(--color-accent); }

.article-content h2 { font-family: var(--font-heading); font-size: 1.38rem; line-height: 1.25; margin: 2.1rem 0 0.75rem; }
.article-content h3 { font-family: var(--font-heading); font-size: 1.1rem; margin: 1.55rem 0 0.5rem; }
.article-content p { margin-bottom: 1.25rem; }
.article-content ul, .article-content ol { margin: 1rem 0 1.25rem 1.5rem; }
.article-content li { margin-bottom: 0.45rem; }
.article-content a { color: var(--color-accent); text-decoration-thickness: 1px; text-underline-offset: 2px; }
.article-content blockquote {
  border: 1px solid var(--color-border);
  border-left: 5px solid var(--color-accent);
  margin: 1.6rem 0;
  padding: 0.85rem 1.1rem;
  background: var(--color-card-bg);
  color: var(--color-text-light);
  font-style: italic;
}
.article-content table { width: 100%; border-collapse: collapse; margin: 1.5rem 0; font-size: 0.95rem; background: var(--color-card-bg); }
.article-content th, .article-content td { border: 1px solid var(--color-border); padding: 0.62rem 0.8rem; text-align: left; }
.article-content th { background: var(--color-tag-bg); font-family: var(--font-heading); font-weight: 700; }

.sources { margin-top: 2.5rem; padding: 1.25rem; background: var(--color-card-bg); border: 1px solid var(--color-border); border-radius: 2px; }
.sources h3 { font-family: var(--font-heading); font-size: 1rem; margin-bottom: 0.5rem; }
.sources ul { list-style: none; padding: 0; }
.sources li { margin-bottom: 0.3rem; font-size: 0.9rem; }
.sources a { color: var(--color-accent); }

.related-articles { margin-top: 2rem; padding-top: 1.5rem; border-top: 2px solid var(--color-text); }
.related-articles h3 { font-family: var(--font-heading); font-size: 1.05rem; margin-bottom: 0.75rem; text-transform: uppercase; letter-spacing: 0.03em; }
.related-articles ul { list-style: none; padding: 0; }
.related-articles li { margin-bottom: 0.55rem; }
.related-articles a { color: var(--color-accent); text-decoration: none; }
.related-articles a:hover { text-decoration: underline; }

.site-footer { border-top: 2px solid var(--color-text); padding: 1.5rem 0; margin-top: 3rem; text-align: center; font-family: var(--font-heading); font-size: 0.78rem; color: var(--color-text-light); }

/* Founders: content and structure remain unchanged; only site-wide skin applies. */
.founders-page .founders-intro { color: var(--color-text-light); max-width: 640px; margin: 0.5rem 0 2.5rem; }
.founder-card { display: flex; gap: 2rem; align-items: flex-start; margin-bottom: 3rem; padding-bottom: 3rem; border-bottom: 1px solid var(--color-border); scroll-margin-top: 5rem; }
.founder-card:last-of-type { border-bottom: none; }
.founder-photo { flex: 0 0 220px; }
.founder-photo img { width: 100%; height: auto; border-radius: 2px; display: block; border: 1px solid var(--color-border); }
.founder-bio h2 { margin-top: 0; margin-bottom: 0.25rem; }
.founder-role { color: var(--color-text-light); font-family: var(--font-heading); font-size: 0.8rem; text-transform: uppercase; letter-spacing: 0.05em; margin: 0 0 1rem; }

@media (max-width: 640px) {
  body { font-size: 16px; }
  .hero h1 { font-size: 1.95rem; }
  .article-header h1 { font-size: 1.65rem; }
  .site-header .container { flex-direction: column; gap: 0.55rem; }
  .site-nav a { margin-left: 0; margin-right: 1rem; }
  .founder-card { flex-direction: column; }
  .founder-photo { flex: none; max-width: 260px; }
}