:root {
  --bg: #0a0613;
  --bg-2: #120a22;
  --fg: #ece6ff;
  --fg-dim: #b7add6;
  --fg-soft: #8a7faa;
  --purple: #a050ff;
  --purple-2: #6c2bd9;
  --accent: #ff5cf2;
  --card: rgba(255, 255, 255, 0.04);
  --border: rgba(160, 80, 255, 0.18);
}
* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; background: var(--bg); color: var(--fg); font-family: -apple-system, BlinkMacSystemFont, "Inter", "Segoe UI", Roboto, sans-serif; line-height: 1.65; }
body { background: radial-gradient(ellipse at top, #1a0e2e 0%, #0a0613 60%) fixed; min-height: 100vh; }
a { color: var(--purple); }
a:hover { color: var(--accent); }
.container { max-width: 820px; margin: 0 auto; padding: 0 24px; }

.topnav { position: sticky; top: 0; backdrop-filter: blur(12px); background: rgba(10, 6, 19, 0.85); border-bottom: 1px solid var(--border); padding: 14px 24px; }
.topnav-inner { max-width: 820px; margin: 0 auto; display: flex; justify-content: space-between; align-items: center; }
.brand { font-weight: 700; font-size: 16px; background: linear-gradient(135deg, var(--purple), var(--accent)); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; }
.back { color: var(--fg-dim); font-size: 14px; }
.back:hover { color: var(--fg); }

main { padding: 56px 0 96px; }
h1 { font-size: clamp(30px, 5vw, 44px); margin: 0 0 12px; letter-spacing: -0.01em; background: linear-gradient(180deg, #fff, var(--fg-dim)); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; line-height: 1.1; }
.subtitle { color: var(--purple); font-size: 13px; font-weight: 600; letter-spacing: 0.08em; text-transform: uppercase; margin-bottom: 8px; }
.lede { color: var(--fg-dim); font-size: 18px; margin: 12px 0 32px; }
h2 { font-size: 24px; margin: 40px 0 12px; color: var(--fg); letter-spacing: -0.01em; }
h3 { font-size: 19px; margin: 24px 0 10px; color: var(--fg); }
p { margin: 12px 0; color: var(--fg-dim); }
strong { color: var(--fg); }
ul, ol { color: var(--fg-dim); padding-left: 24px; }
li { margin: 6px 0; }
blockquote { border-left: 3px solid var(--purple); margin: 16px 0; padding: 8px 16px; background: var(--card); border-radius: 0 8px 8px 0; color: var(--fg-dim); font-style: italic; }
table { width: 100%; border-collapse: collapse; margin: 20px 0; background: var(--card); border-radius: 12px; overflow: hidden; }
th, td { padding: 10px 14px; text-align: left; border-bottom: 1px solid var(--border); }
th { background: rgba(160, 80, 255, 0.08); color: var(--fg); font-weight: 600; font-size: 14px; }
td { color: var(--fg-dim); font-size: 14px; }
code { background: rgba(160, 80, 255, 0.12); padding: 2px 6px; border-radius: 4px; font-size: 0.92em; color: var(--fg); }
hr { border: none; border-top: 1px solid var(--border); margin: 32px 0; }

.btn { display: inline-flex; align-items: center; gap: 8px; padding: 12px 20px; border-radius: 10px; font-weight: 600; font-size: 14px; text-decoration: none; margin-right: 8px; margin-top: 16px; }
.btn-primary { background: linear-gradient(135deg, var(--purple-2), var(--purple)); color: white; box-shadow: 0 8px 32px rgba(160, 80, 255, 0.3); }
.btn-primary:hover { color: white; }
.btn-ghost { background: var(--card); border: 1px solid var(--border); color: var(--fg); }
.btn-ghost:hover { background: rgba(255, 255, 255, 0.07); color: var(--fg); }

.cta-block { background: linear-gradient(135deg, rgba(160, 80, 255, 0.08), rgba(255, 92, 242, 0.04)); border: 1px solid var(--border); border-radius: 16px; padding: 24px; margin: 40px 0 0; text-align: center; }
.cta-block h3 { margin-top: 0; }