:root {
  --bg: #f7f7f4;
  --text: #202124;
  --muted: #6b6f76;
  --line: #deded8;
  --link: #1f4f82;
  --code: #ecece6;
}

* {
  box-sizing: border-box;
}

html {
  color-scheme: light;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 17px;
}

.wrap {
  width: min(780px, calc(100% - 32px));
  margin: 0 auto;
}

header {
  padding: 34px 0 22px;
  border-bottom: 1px solid var(--line);
}

.site-title {
  margin: 0;
  font-size: clamp(34px, 6vw, 56px);
  letter-spacing: -0.04em;
  line-height: 1;
}

.subtitle {
  margin: 14px 0 0;
  max-width: 620px;
  color: var(--muted);
  line-height: 1.6;
}

nav {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-top: 20px;
  font-size: 15px;
}

main {
  padding: 34px 0 54px;
}

footer {
  border-top: 1px solid var(--line);
  padding: 22px 0 42px;
  color: var(--muted);
  font-size: 14px;
}

h1, h2, h3 {
  line-height: 1.2;
}

h1 {
  margin: 0 0 18px;
  font-size: 36px;
  letter-spacing: -0.03em;
}

h2 {
  margin: 38px 0 16px;
  font-size: 24px;
}

h3 {
  margin: 0 0 8px;
  font-size: 19px;
}

p, li {
  line-height: 1.72;
}

a {
  color: var(--link);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

.post-list {
  display: grid;
  gap: 22px;
  margin-top: 18px;
}

.post-item {
  padding-bottom: 22px;
  border-bottom: 1px solid var(--line);
}

.post-meta {
  margin: 0 0 6px;
  color: var(--muted);
  font-size: 14px;
}

.post-item p:last-child {
  margin-bottom: 0;
}

.note {
  margin-top: 24px;
  padding: 16px 18px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.45);
}

.tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 14px;
}

.tag {
  display: inline-block;
  padding: 4px 9px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--muted);
  font-size: 14px;
}

code {
  padding: 2px 5px;
  border-radius: 5px;
  background: var(--code);
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 0.92em;
}

pre {
  overflow-x: auto;
  padding: 14px 16px;
  border-radius: 12px;
  background: var(--code);
}

pre code {
  padding: 0;
  background: transparent;
}