:root {
  --bg: #0f1115;
  --panel: #161a21;
  --text: #e6e8ee;
  --muted: #9aa3b2;
  --accent: #6ee7a8;
  --line: #232936;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 16px/1.65 -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

.top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 20px clamp(16px, 5vw, 64px);
  border-bottom: 1px solid var(--line);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  letter-spacing: .02em;
  color: var(--text);
  text-decoration: none;
}

.dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 4px rgba(110, 231, 168, .15);
}

nav a, footer a {
  color: var(--muted);
  text-decoration: none;
  margin-left: 20px;
}

nav a:hover, footer a:hover, .posts a:hover { color: var(--accent); }

main {
  max-width: 760px;
  margin: 0 auto;
  padding: clamp(32px, 6vw, 72px) 16px 48px;
}

h1 {
  font-size: clamp(28px, 4vw, 40px);
  line-height: 1.2;
  margin: 0 0 16px;
}

h2 { font-size: 20px; margin: 40px 0 12px; }

.lead { color: var(--muted); font-size: 18px; margin: 0 0 8px; }

.cards {
  display: grid;
  gap: 16px;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  margin-top: 32px;
}

.cards article {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 18px 20px;
}

.cards h2 { margin: 0 0 8px; font-size: 17px; }
.cards p { margin: 0; color: var(--muted); font-size: 15px; }

.posts { list-style: none; padding: 0; margin: 0; }
.posts li { padding: 10px 0; border-bottom: 1px dashed var(--line); }
.posts a { color: var(--text); text-decoration: none; }
.when { color: var(--muted); font-variant-numeric: tabular-nums; margin-right: 12px; }

footer {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  padding: 24px clamp(16px, 5vw, 64px) 40px;
  color: var(--muted);
  border-top: 1px solid var(--line);
  font-size: 14px;
}

@media (max-width: 520px) {
  nav a { margin-left: 12px; font-size: 14px; }
}