:root {
  --primary-gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  --secondary-gradient: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
  --accent-gradient: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
  --dark-gradient: linear-gradient(135deg, #0c0c0c 0%, #1a1a1a 100%);
  --glass-bg: rgba(255, 255, 255, 0.08);
  --glass-border: rgba(255, 255, 255, 0.16);
  --text-primary: #ffffff;
  --text-secondary: #a1a1aa;
  --text-muted: #71717a;
  --bg-dark: #0a0a0a;
  --bg-darker: #050505;
  --shadow-glass: 0 20px 45px rgba(0, 0, 0, 0.28);
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background: var(--bg-dark);
  color: var(--text-primary);
  line-height: 1.7;
}
body::before {
  content: "";
  position: fixed;
  inset: 0;
  background: var(--dark-gradient);
  z-index: -2;
}
.bg-pattern {
  position: fixed;
  inset: 0;
  opacity: .12;
  background-image:
    radial-gradient(circle at 20% 30%, rgba(102, 126, 234, 0.35) 0%, transparent 35%),
    radial-gradient(circle at 75% 20%, rgba(240, 147, 251, 0.22) 0%, transparent 30%),
    radial-gradient(circle at 50% 80%, rgba(79, 172, 254, 0.22) 0%, transparent 30%);
  z-index: -1;
}
.container { width: min(1120px, calc(100% - 2rem)); margin: 0 auto; }
a { color: inherit; }
.site-header {
  position: sticky; top: 0; z-index: 30;
  background: rgba(10,10,10,.86);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--glass-border);
}
.site-header .container, .site-footer .container {
  display: flex; align-items: center; justify-content: space-between; gap: 1rem;
  padding: 1rem 0;
}
.logo {
  text-decoration: none; font-weight: 800; font-size: 1.15rem;
  background: var(--primary-gradient); -webkit-background-clip: text; background-clip: text; color: transparent;
}
.nav { display: flex; gap: 1rem; flex-wrap: wrap; }
.nav a, .back-link {
  text-decoration: none; color: var(--text-secondary); font-weight: 600;
}
.nav a:hover, .back-link:hover { color: var(--text-primary); }
.hero { padding: 5rem 0 2rem; }
.eyebrow {
  display: inline-flex; align-items: center; gap: .5rem; padding: .45rem .8rem; border-radius: 999px;
  background: rgba(255,255,255,.06); border: 1px solid var(--glass-border); color: var(--text-secondary);
  font-size: .92rem; margin-bottom: 1rem;
}
.hero h1 { font-size: clamp(2rem, 5vw, 4rem); line-height: 1.05; margin: 0 0 1rem; }
.hero p.lead { max-width: 760px; color: var(--text-secondary); font-size: 1.08rem; margin: 0; }
.grid { display: grid; gap: 1.25rem; }
.posts-grid { grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); padding: 2rem 0 4rem; }
.glass-card {
  background: var(--glass-bg); border: 1px solid var(--glass-border); border-radius: 24px; box-shadow: var(--shadow-glass);
  padding: 1.4rem; backdrop-filter: blur(16px);
}
.post-card { display: flex; flex-direction: column; gap: .9rem; }
.post-meta, .post-meta a { color: var(--text-secondary); font-size: .92rem; }
.category-badge {
  display: inline-flex; width: fit-content; padding: .32rem .72rem; border-radius: 999px; font-size: .82rem; font-weight: 700;
  background: rgba(255,255,255,.08); border: 1px solid rgba(255,255,255,.12);
}
.post-card h2, .post-card h3 { margin: 0; font-size: 1.3rem; line-height: 1.2; }
.post-card p { margin: 0; color: var(--text-secondary); }
.post-card a.read-more, .button-primary {
  display: inline-flex; align-items: center; gap: .5rem; width: fit-content; margin-top: auto;
  padding: .8rem 1rem; border-radius: 14px; text-decoration: none; font-weight: 700;
  background: var(--primary-gradient); color: white;
}
.filters { display: flex; flex-wrap: wrap; gap: .7rem; padding: 0 0 1.5rem; }
.filters span {
  padding: .5rem .75rem; border-radius: 999px; border: 1px solid var(--glass-border); color: var(--text-secondary);
  background: rgba(255,255,255,.04); font-size: .92rem;
}
.site-footer { border-top: 1px solid var(--glass-border); color: var(--text-secondary); }
.article-wrap { padding: 4.5rem 0 4rem; }
.article {
  max-width: 840px; margin: 0 auto; padding: 2rem;
  background: rgba(255,255,255,.05); border: 1px solid var(--glass-border); border-radius: 28px; backdrop-filter: blur(16px);
}
.article h1 { font-size: clamp(2rem, 4vw, 3.2rem); line-height: 1.08; margin-bottom: 1rem; }
.article .summary { color: var(--text-secondary); font-size: 1.08rem; margin-bottom: 1.5rem; }
.article .content p { color: #ddd; margin: 0 0 1rem; }
.article .content h2 { margin-top: 2rem; }
.article .meta-line { display: flex; flex-wrap: wrap; gap: .75rem 1rem; color: var(--text-secondary); margin-bottom: 1.25rem; }
.article-nav { display: flex; justify-content: space-between; gap: 1rem; margin-top: 2rem; flex-wrap: wrap; }
.article-nav a { text-decoration: none; color: var(--text-secondary); }
@media (max-width: 720px) {
  .site-header .container, .site-footer .container { flex-direction: column; align-items: flex-start; }
  .hero { padding-top: 3.5rem; }
  .article { padding: 1.3rem; border-radius: 20px; }
}