:root {
  --fg: #0f172a;
  --muted: #64748b;
  --border: #e2e8f0;
  --bg: #f8fafc;
  --card: #ffffff;
  --primary: #7b2fff;
  --accent: #ff4e8a;
}

* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, sans-serif;
  color: var(--fg);
  background: linear-gradient(180deg, #fff 0%, var(--bg) 40%);
  line-height: 1.5;
}
a { color: inherit; text-decoration: none; }
a:hover { opacity: 0.85; }

.container { width: min(960px, 100% - 2rem); margin: 0 auto; }
.site-header {
  position: sticky; top: 0; z-index: 20;
  border-bottom: 1px solid var(--border);
  background: rgba(255,255,255,.85);
  backdrop-filter: blur(10px);
}
.header-inner { height: 64px; display: flex; align-items: center; justify-content: space-between; gap: 1rem; }
.brand { display: inline-flex; align-items: center; gap: .5rem; font-weight: 700; }
.brand img { border-radius: 999px; }
.nav { display: flex; align-items: center; gap: 1rem; font-size: .9rem; }
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  border-radius: .75rem; padding: .5rem 1rem;
  background: var(--primary); color: #fff; font-weight: 600;
}
.btn-lg { padding: .85rem 1.75rem; font-size: 1rem;
  background: linear-gradient(90deg, var(--primary), var(--accent)); }

.main { padding: 2rem 0 3rem; }
.site-footer { border-top: 1px solid var(--border); padding: 2rem 0; margin-top: 3rem; font-size: .75rem; color: var(--muted); }
.footer-inner { display: flex; flex-wrap: wrap; gap: 1rem; align-items: center; justify-content: space-between; }
.footer-links { display: flex; gap: 1rem; }

.blog-list-hero { text-align: center; margin: 0 auto 2.5rem; max-width: 40rem; }
.blog-list-hero h1 { font-size: clamp(1.75rem, 4vw, 2.5rem); margin: 0 0 .75rem; letter-spacing: -.02em; }
.lead { color: var(--muted); font-size: 1.05rem; }

.post-grid { display: grid; gap: 1rem; }
@media (min-width: 720px) { .post-grid { grid-template-columns: 1fr 1fr; } }
.post-card {
  display: block; background: var(--card); border: 1px solid var(--border);
  border-radius: 1rem; padding: 1.25rem 1.35rem;
}
.post-card h2 { margin: .35rem 0 .5rem; font-size: 1.15rem; line-height: 1.35; }
.post-card p { margin: 0; color: var(--muted); font-size: .95rem; }
.meta { display: inline-block; margin-top: .75rem; color: var(--muted); font-size: .8rem; }
.badge {
  display: inline-block; font-size: .75rem; font-weight: 600;
  background: #f1e9ff; color: #5b21b6; border-radius: 999px; padding: .15rem .55rem;
}

.crumbs { display: flex; flex-wrap: wrap; gap: .35rem; align-items: center; color: var(--muted); font-size: .875rem; margin-bottom: 1.5rem; }
.crumbs .current { color: var(--fg); max-width: 16rem; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.article { max-width: 48rem; margin: 0 auto; }
.article-header { margin-bottom: 2rem; }
.article-header h1 { font-size: clamp(1.75rem, 4vw, 2.4rem); line-height: 1.2; margin: 0; letter-spacing: -.02em; }
.excerpt { color: var(--muted); font-size: 1.125rem; margin-top: 1rem; }
.meta-row { display: flex; flex-wrap: wrap; gap: .75rem; align-items: center; color: var(--muted); font-size: .875rem; margin-bottom: 1rem; }

.cta-box {
  margin: 3rem 0;
  text-align: center;
  border: 1px solid rgba(123,47,255,.2);
  border-radius: 1rem;
  padding: 2rem 1.5rem;
  background: linear-gradient(135deg, rgba(123,47,255,.08), rgba(255,78,138,.05));
}
.cta-title { font-size: 1.35rem; font-weight: 700; margin: 0 0 .75rem; }
.cta-text { color: var(--muted); max-width: 28rem; margin: 0 auto 1.5rem; }
.related { margin-top: 3rem; }
.related h2 { font-size: 1.35rem; margin-bottom: 1rem; }

.blog-article h2 {
  margin-top: 3rem; margin-bottom: 1.25rem; padding-top: 2rem;
  border-top: 1px solid rgba(226,232,240,.9);
  font-size: 1.5rem; line-height: 1.3; font-weight: 700; letter-spacing: -.02em;
}
.blog-article h2:first-child { margin-top: 0; padding-top: 0; border-top: none; }
.blog-article h3 { margin-top: 1.75rem; margin-bottom: .75rem; font-size: 1.2rem; font-weight: 700; }
.blog-article p { margin-bottom: 1.25rem; line-height: 1.75; }
.blog-article ul { margin: 1.5rem 0; padding-left: 1.5rem; list-style: disc; }
.blog-article ul li { margin-bottom: .5rem; line-height: 1.65; }
.blog-article ol { margin: 1.75rem 0; padding-left: 0; list-style: none; counter-reset: blog-step; }
.blog-article ol li {
  position: relative; margin-bottom: 1rem; padding-left: 3rem; line-height: 1.65;
  counter-increment: blog-step;
}
.blog-article ol li::before {
  content: counter(blog-step); position: absolute; left: 0; top: .1rem;
  display: flex; align-items: center; justify-content: center;
  width: 2rem; height: 2rem; border-radius: 999px;
  background: linear-gradient(135deg, #7b2fff, #ff4e8a); color: #fff;
  font-size: .875rem; font-weight: 700;
}
.blog-article a { color: var(--primary); text-decoration: underline; }
.blog-article .blog-callout {
  margin: 2rem 0; padding: 1.25rem 1.5rem; border-radius: .75rem;
  border-left: 4px solid #7b2fff; background: #f8f5ff;
}
.empty { text-align: center; color: var(--muted); }