:root {
  --bg: #07080f;
  --ink: #cfe9e2;
  --neon: #38f9d7;
  --amber: #ffcf5a;
  --line: rgba(56, 249, 215, 0.22);
  --panel: rgba(12, 16, 26, 0.7);
}
* { box-sizing: border-box; }
html, body {
  margin: 0; background: var(--bg); color: var(--ink);
  font-family: ui-monospace, "Cascadia Code", "SFMono-Regular", Menlo, Consolas, monospace;
  font-size: 16px; line-height: 1.65; -webkit-font-smoothing: antialiased;
}
a { color: var(--neon); text-decoration: none; border-bottom: 1px solid rgba(56, 249, 215, 0.3); }
a:hover { color: #fff; border-color: var(--neon); }

.topnav {
  display: flex; gap: 18px; padding: 14px 22px; font-size: 15px;
  border-bottom: 1px solid var(--line); position: sticky; top: 0;
  background: rgba(7, 8, 15, 0.85); backdrop-filter: blur(6px); z-index: 5;
}
.topnav a { border: 0; }

.wrap { max-width: 740px; margin: 0 auto; padding: 34px 22px 90px; }
.kicker {
  font-family: 'VT323', monospace; letter-spacing: 2px; text-transform: uppercase;
  color: var(--amber); font-size: 18px; margin: 0 0 8px;
}
h1 {
  font-family: 'Press Start 2P', monospace; font-size: 21px; line-height: 1.55;
  color: var(--neon); text-shadow: 0 0 14px rgba(56, 249, 215, 0.4); margin: 0 0 18px;
}
h2 {
  font-family: 'VT323', monospace; font-size: 27px; letter-spacing: 0.5px;
  color: var(--neon); margin: 34px 0 6px;
}
.lede { font-size: 18px; color: #eafff9; opacity: 0.92; margin: 0 0 10px; }
p { margin: 0 0 14px; }
strong { color: #eafff9; }
code {
  font-family: inherit; background: rgba(56, 249, 215, 0.10);
  border: 1px solid var(--line); border-radius: 4px; padding: 1px 5px;
  color: #bdf6ea; font-size: 14px;
}
.foot { margin-top: 42px; padding-top: 16px; border-top: 1px solid var(--line); opacity: 0.7; font-size: 14px; }

/* index */
.hero { max-width: 740px; margin: 0 auto; padding: 56px 22px 6px; }
.hero h1 { font-size: 24px; }
.hero p { font-size: 18px; opacity: 0.9; max-width: 630px; }
.posts { max-width: 740px; margin: 0 auto; padding: 12px 22px 90px; list-style: none; display: grid; gap: 14px; }
.posts li { margin: 0; }
.card {
  display: block; padding: 16px 18px; border: 1px solid var(--line);
  border-radius: 10px; background: var(--panel); transition: 0.12s;
}
.card:hover { border-color: var(--neon); transform: translateY(-2px); background: rgba(56, 249, 215, 0.06); }
.card .num { font-family: 'VT323', monospace; color: var(--amber); font-size: 16px; letter-spacing: 2px; }
.card h3 { font-family: 'VT323', monospace; font-size: 25px; color: var(--neon); margin: 2px 0 0; }
.card p { margin: 6px 0 0; opacity: 0.82; font-size: 15px; border: 0; }