:root {
  --bg: #0b1220;
  --panel: #121b2e;
  --line: #22304d;
  --text: #e6edf7;
  --muted: #9fb0c9;
  --accent: #39e58c;
  --accent-dim: #1f9c61;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  line-height: 1.6;
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

.wrap { max-width: 920px; margin: 0 auto; padding: 0 16px; }

header.nav {
  border-bottom: 1px solid var(--line);
  position: sticky;
  top: 0;
  background: rgba(11, 18, 32, 0.92);
  backdrop-filter: blur(6px);
  z-index: 10;
}
header.nav .wrap {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 12px;
  padding-bottom: 12px;
  gap: 12px;
  flex-wrap: wrap;
}
.brand { font-family: ui-monospace, Consolas, monospace; color: var(--accent); font-weight: 700; }
nav a { margin-left: 16px; color: var(--muted); font-size: 0.95rem; }
nav a:hover { color: var(--text); text-decoration: none; }

.hero { padding: 64px 0 40px; }
.hero .alias { font-family: ui-monospace, Consolas, monospace; color: var(--accent); margin: 0 0 8px; }
.hero h1 { font-size: clamp(2rem, 6vw, 3.2rem); margin: 0 0 8px; line-height: 1.1; }
.hero .tagline { font-size: 1.15rem; color: var(--muted); max-width: 640px; margin: 0 0 24px; }

.btn {
  display: inline-block;
  padding: 10px 18px;
  border-radius: 8px;
  border: 1px solid var(--accent);
  color: var(--accent);
  font-weight: 600;
  margin: 0 8px 8px 0;
}
.btn.primary { background: var(--accent); color: #05150c; }
.btn:hover { text-decoration: none; opacity: 0.9; }

section { padding: 36px 0; border-top: 1px solid var(--line); }
section h2 { margin: 0 0 16px; font-size: 1.5rem; }
section h2::before { content: "> "; color: var(--accent); font-family: ui-monospace, Consolas, monospace; }

.grid { display: grid; gap: 16px; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); }

.card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 18px;
}
.card h3 { margin: 0 0 6px; font-size: 1.1rem; }
.card p { margin: 6px 0; color: var(--muted); }
.card .meta { font-size: 0.85rem; color: var(--accent-dim); font-family: ui-monospace, Consolas, monospace; }

.tag {
  display: inline-block;
  font-size: 0.78rem;
  padding: 2px 8px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--muted);
  margin: 4px 6px 0 0;
}

ul.plain { padding-left: 20px; color: var(--muted); }
ul.plain li { margin: 6px 0; }

.note {
  border-left: 3px solid var(--accent);
  padding: 8px 14px;
  background: var(--panel);
  color: var(--muted);
  border-radius: 0 8px 8px 0;
}

footer { border-top: 1px solid var(--line); padding: 24px 0 40px; color: var(--muted); font-size: 0.9rem; }

.post { padding: 16px 0; border-bottom: 1px solid var(--line); }
.post h3 { margin: 0; }
.post .meta { color: var(--muted); font-size: 0.85rem; }