*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
:root {
  --bg: #F5F0EA;
  --bg-2: #EDE8E1;
  --text: #1a1a1a;
  --text-dim: rgba(0,0,0,0.68);
  --text-muted: rgba(0,0,0,0.42);
  --border: rgba(0,0,0,0.08);
  --card-bg: rgba(255,255,255,0.6);
  --accent: #6366F1;
  --accent-2: #A855F7;
  --shadow: 0 8px 32px rgba(0,0,0,0.08);
  --img-shadow: 0 20px 60px rgba(0,0,0,0.12);
  --radius: 20px;
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-serif: 'Instrument Serif', Georgia, serif;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0a0a0f;
    --text: #f0f0f2;
    --text-dim: rgba(255,255,255,0.82);
    --text-muted: rgba(255,255,255,0.5);
    --border: rgba(255,255,255,0.1);
    --card-bg: rgba(255,255,255,0.04);
    --accent: #818CF8;
    --accent-2: #C084FC;
  }
}
html, body { background: var(--bg); color: var(--text); }
body { font-family: var(--font-sans); -webkit-font-smoothing: antialiased; line-height: 1.7; }
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

.container { max-width: 760px; margin: 0 auto; padding: 0 24px; }

nav.blog-nav {
  position: sticky; top: 0; z-index: 50;
  background: rgba(245,240,234,0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}
@media (prefers-color-scheme: dark) {
  nav.blog-nav { background: rgba(10,10,15,0.85); }
}
.nav-inner {
  max-width: 1080px; margin: 0 auto; padding: 16px 24px;
  display: flex; justify-content: space-between; align-items: center;
}
.nav-logo {
  font-family: var(--font-serif); font-size: 24px; font-weight: 400;
  letter-spacing: -0.02em; color: var(--text);
}
.nav-logo:hover { text-decoration: none; }
.nav-links { display: flex; gap: 24px; align-items: center; }
.nav-links a { color: var(--text-dim); font-size: 15px; font-weight: 500; }
.nav-links a:hover { color: var(--text); text-decoration: none; }
.nav-cta {
  padding: 10px 20px; background: var(--text); color: var(--bg) !important;
  border-radius: 999px; font-weight: 600; font-size: 14px;
}

article.post {
  padding: 56px 0 40px;
}
.post-header { text-align: center; margin-bottom: 40px; }
.post-tag {
  display: inline-block;
  padding: 6px 16px;
  background: rgba(99,102,241,0.1);
  color: var(--accent);
  border-radius: 999px;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  margin-bottom: 20px;
}
.post-h1 {
  font-family: var(--font-serif);
  font-size: clamp(32px, 5vw, 48px);
  line-height: 1.15;
  letter-spacing: -0.025em;
  color: var(--text);
  margin-bottom: 20px;
  font-weight: 400;
}
.post-meta {
  display: flex; gap: 12px; justify-content: center; align-items: center;
  color: var(--text-muted); font-size: 14px;
}
.post-meta-dot { width: 3px; height: 3px; background: var(--text-muted); border-radius: 50%; }

.post-cover {
  margin: 40px auto 56px;
  border-radius: var(--radius);
  overflow: hidden;
  background: linear-gradient(135deg, rgba(99,102,241,0.08), rgba(168,85,247,0.08));
  aspect-ratio: 16 / 9;
  max-width: 1000px;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--img-shadow);
}
.post-cover img {
  max-height: 100%;
  max-width: 100%;
  object-fit: contain;
}

.post-body { font-size: 17px; color: var(--text-dim); }
.post-body p { margin: 0 0 24px; }
.post-body h2 {
  font-family: var(--font-serif);
  font-size: 30px;
  font-weight: 400;
  line-height: 1.25;
  letter-spacing: -0.015em;
  color: var(--text);
  margin: 56px 0 20px;
}
.post-body h3 {
  font-size: 20px;
  font-weight: 700;
  line-height: 1.35;
  color: var(--text);
  margin: 36px 0 14px;
}
.post-body ul, .post-body ol { margin: 0 0 24px 1.2em; padding-left: 0.4em; }
.post-body li { margin-bottom: 10px; }
.post-body strong { color: var(--text); font-weight: 700; }
.post-body blockquote {
  margin: 32px 0;
  padding: 20px 26px;
  border-left: 4px solid var(--accent);
  background: var(--card-bg);
  border-radius: 0 12px 12px 0;
  color: var(--text);
  font-style: italic;
}
.post-body img {
  width: 100%;
  border-radius: 14px;
  margin: 28px 0;
  box-shadow: var(--shadow);
}
.post-body .callout {
  margin: 32px 0;
  padding: 22px 26px;
  background: linear-gradient(135deg, rgba(99,102,241,0.08), rgba(168,85,247,0.08));
  border-radius: 14px;
  border: 1px solid rgba(99,102,241,0.2);
}
.post-body .callout strong { color: var(--accent); }

.post-cta {
  margin: 64px auto 24px;
  padding: 40px 32px;
  text-align: center;
  background: var(--text);
  color: var(--bg);
  border-radius: var(--radius);
  max-width: 720px;
}
.post-cta h3 {
  font-family: var(--font-serif);
  font-size: 28px;
  font-weight: 400;
  letter-spacing: -0.015em;
  margin-bottom: 12px;
  color: var(--bg);
}
.post-cta p { opacity: 0.75; margin-bottom: 24px; font-size: 16px; }
.post-cta a.btn {
  display: inline-block;
  padding: 14px 32px;
  background: var(--bg);
  color: var(--text) !important;
  border-radius: 999px;
  font-weight: 700;
  transition: transform 0.2s;
}
.post-cta a.btn:hover { transform: translateY(-2px); text-decoration: none; }

.related {
  border-top: 1px solid var(--border);
  margin-top: 80px;
  padding: 56px 0 40px;
}
.related h4 {
  text-align: center;
  font-size: 13px;
  font-weight: 600;
  color: var(--text-muted);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 28px;
}
.related-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 20px;
  max-width: 1000px;
  margin: 0 auto;
}
.related-card {
  padding: 22px 24px;
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 16px;
  transition: transform 0.3s, border-color 0.3s;
}
.related-card:hover {
  transform: translateY(-3px);
  border-color: var(--accent);
  text-decoration: none;
}
.related-card .rel-tag {
  font-size: 12px;
  font-weight: 600;
  color: var(--accent);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  margin-bottom: 10px;
  display: block;
}
.related-card h5 {
  font-family: var(--font-serif);
  font-size: 20px;
  font-weight: 400;
  line-height: 1.3;
  color: var(--text);
}

footer.blog-footer {
  border-top: 1px solid var(--border);
  padding: 40px 0;
  text-align: center;
  color: var(--text-muted);
  font-size: 14px;
}
.blog-footer-links {
  display: flex; gap: 24px; justify-content: center; margin-bottom: 16px;
}
.blog-footer-links a { color: var(--text-dim); }

@media (max-width: 600px) {
  article.post { padding: 32px 0 24px; }
  .post-cover { margin: 28px auto 40px; }
  .post-body { font-size: 16px; }
  .post-body h2 { font-size: 24px; margin: 40px 0 16px; }
  .post-body h3 { font-size: 18px; }
  .post-cta { padding: 32px 24px; margin: 48px auto 16px; }
  .nav-links { gap: 16px; }
  .nav-links a:not(.nav-cta) { display: none; }
}