:root {
  --bg: #0b1220;
  --panel: #101a2d;
  --panel-2: #14213a;
  --text: #e6edf6;
  --muted: #9fb1c9;
  --line: rgba(255,255,255,0.08);
  --accent: #6ec1ff;
  --accent-2: #8b5cf6;
  --max: 1120px;
  --radius: 18px;
  --shadow: 0 18px 50px rgba(0,0,0,0.24);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background:
    radial-gradient(circle at top left, rgba(110, 193, 255, 0.12), transparent 32%),
    radial-gradient(circle at top right, rgba(139, 92, 246, 0.12), transparent 28%),
    var(--bg);
  color: var(--text);
  line-height: 1.65;
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
img { max-width: 100%; display: block; }
.container { width: min(calc(100% - 2rem), var(--max)); margin: 0 auto; }
.section { padding: 3rem 0; }
.section-narrow { width: min(calc(100% - 2rem), 780px); }
.eyebrow {
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--accent);
  font-size: 0.76rem;
  font-weight: 700;
}
.lead { font-size: 1.1rem; color: var(--muted); }

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  backdrop-filter: blur(12px);
  background: rgba(11, 18, 32, 0.78);
  border-bottom: 1px solid var(--line);
}
.nav-wrap {
  min-height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}
.brand {
  color: #fff;
  font-weight: 800;
  font-size: 1.1rem;
  letter-spacing: 0.04em;
}
.site-nav {
  display: flex;
  gap: 1.2rem;
  align-items: center;
}
.site-nav a { color: var(--text); }
.menu-toggle {
  display: none;
  background: transparent;
  color: var(--text);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 0.65rem 0.9rem;
}

.hero { padding: 4.5rem 0 2rem; }
.hero-grid {
  display: grid;
  grid-template-columns: 1.4fr 0.9fr;
  gap: 1.5rem;
  align-items: center;
}
.hero h1 {
  font-size: clamp(2.3rem, 5vw, 4.4rem);
  line-height: 1.02;
  margin: 0.2rem 0 1rem;
}
.hero-card,
.post-card,
.ad-slot,
.post-cta {
  background: linear-gradient(180deg, rgba(255,255,255,0.03), rgba(255,255,255,0.015));
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}
.hero-card {
  padding: 1.5rem;
}
.hero-card ul { margin: 1rem 0 0; padding-left: 1.2rem; }
.hero-actions { display: flex; gap: 0.9rem; flex-wrap: wrap; margin-top: 1.5rem; }
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.9rem 1.15rem;
  border-radius: 14px;
  font-weight: 700;
  border: 1px solid transparent;
  text-decoration: none;
}
.btn:hover { text-decoration: none; }
.btn-primary {
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #08111f;
}
.btn-secondary {
  color: var(--text);
  border-color: var(--line);
  background: rgba(255,255,255,0.03);
}

.section-heading { margin-bottom: 1.2rem; }
.section-heading h2,
.page-header h1,
.post-header h1 { margin: 0.2rem 0 0; }
.post-list {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
}
.page-post-list { grid-template-columns: 1fr; }
.post-card {
  padding: 1.25rem;
}
.post-card__meta,
.post-meta,
.ad-note,
.site-footer,
.prose blockquote {
  color: var(--muted);
}
.post-card h2,
.post-card h3 { margin-top: 0.35rem; margin-bottom: 0.65rem; }
.text-link { font-weight: 700; }

.post-header { margin-bottom: 2rem; }
.prose h2, .prose h3, .prose h4 { margin-top: 1.6rem; }
.prose p, .prose li { color: #d9e2f1; }
.prose code {
  background: rgba(255,255,255,0.08);
  padding: 0.15rem 0.4rem;
  border-radius: 8px;
}
.prose pre {
  background: #09101b;
  padding: 1rem;
  overflow-x: auto;
  border-radius: 16px;
  border: 1px solid var(--line);
}
.prose blockquote {
  border-left: 3px solid var(--accent);
  margin-left: 0;
  padding-left: 1rem;
}
.ad-slot,
.post-cta {
  padding: 1.25rem;
  margin-top: 2rem;
}
.ad-slot {
  text-align: center;
  border-style: dashed;
}

.site-footer {
  border-top: 1px solid var(--line);
  margin-top: 3rem;
  padding-top: 2rem;
  padding-bottom: 2rem;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 1.5rem;
}
.footer-grid ul {
  list-style: none;
  padding: 0;
  margin: 0;
}
.footer-grid li { margin: 0.35rem 0; }
.footer-bottom {
  border-top: 1px solid var(--line);
  margin-top: 1.2rem;
  padding-top: 1rem;
}

@media (max-width: 860px) {
  .hero-grid,
  .post-list,
  .footer-grid {
    grid-template-columns: 1fr;
  }

  .menu-toggle { display: inline-flex; }
  .site-nav {
    display: none;
    position: absolute;
    top: 72px;
    left: 1rem;
    right: 1rem;
    flex-direction: column;
    align-items: flex-start;
    background: rgba(16, 26, 45, 0.98);
    border: 1px solid var(--line);
    border-radius: 16px;
    padding: 1rem;
  }
  .site-nav.open { display: flex; }
}