:root {
  --bg: #ffffff;
  --ink: #16181d;
  --muted: #6b7080;
  --line: #ebedf2;
  --accent: #4f46e5;
  --soft: #f4f4fb;
  --code: #f6f7f9;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: "Segoe UI", -apple-system, BlinkMacSystemFont, Roboto, "Helvetica Neue", Arial, sans-serif;
  background: var(--bg);
  color: var(--ink);
  line-height: 1.75;
  font-size: 17px;
}
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
.wrap { width: min(720px, 90%); margin: 0 auto; }

header { padding: 28px 0 0; }
header .wrap { display: flex; justify-content: space-between; align-items: baseline; flex-wrap: wrap; gap: 10px; }
.brand { font-family: Georgia, "Times New Roman", serif; font-size: 24px; font-weight: 700; color: var(--ink); }
.brand span { color: var(--accent); }
.brand:hover { text-decoration: none; }
nav a { margin-left: 20px; color: var(--muted); font-size: 15px; }
nav a:hover { color: var(--ink); text-decoration: none; }

.hero { padding: 64px 0 28px; border-bottom: 1px solid var(--line); }
.hero h1 { font-family: Georgia, serif; font-size: 40px; line-height: 1.2; margin: 0 0 14px; }
.hero p { color: var(--muted); font-size: 18px; margin: 0; }

.posts { padding: 12px 0 60px; }
.post { padding: 30px 0; border-bottom: 1px solid var(--line); }
.post time, .meta { font-size: 14px; color: var(--muted); font-variant-numeric: tabular-nums; }
.post h2 { font-family: Georgia, serif; font-size: 25px; line-height: 1.3; margin: 6px 0 10px; }
.post h2 a { color: var(--ink); }
.post p { margin: 0 0 10px; color: #3c4150; }
.more { font-size: 15px; font-weight: 600; }

article { padding: 52px 0 60px; }
article h1 { font-family: Georgia, serif; font-size: 36px; line-height: 1.25; margin: 8px 0 24px; }
article h2 { font-family: Georgia, serif; font-size: 24px; margin: 38px 0 10px; }
article p, article li { margin: 0 0 14px; }
article ul, article ol { padding-left: 22px; }
code { background: var(--code); border: 1px solid var(--line); border-radius: 5px; padding: 1px 6px; font-size: 15px; font-family: Consolas, "SFMono-Regular", Menlo, monospace; }
pre { background: var(--code); border: 1px solid var(--line); border-radius: 8px; padding: 14px 16px; overflow-x: auto; font-size: 14px; line-height: 1.55; }
pre code { background: none; border: 0; padding: 0; }
blockquote { margin: 24px 0; padding: 14px 20px; background: var(--soft); border-radius: 8px; color: #3c4150; }
.back { display: inline-block; margin-top: 26px; font-size: 15px; }

footer { border-top: 1px solid var(--line); padding: 26px 0 40px; color: var(--muted); font-size: 14px; }

.notfound { text-align: center; padding: 110px 0; }
.notfound h1 { font-family: Georgia, serif; font-size: 76px; margin: 0; color: var(--accent); }

@media (max-width: 560px) {
  .hero h1 { font-size: 31px; }
  article h1 { font-size: 28px; }
  nav a { margin: 0 16px 0 0; }
}