:root {
  --max-width: 960px;
  --text: #2b2b2b;
  --muted: #6b6b6b;
  --accent: #c0392b;
  --border: #e2e2e2;
  --bg: #fdfdfd;
  --code-bg: #2d2d2d;
  --code-text: #f1f1f1;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Ubuntu", -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
  font-size: 17px;
  line-height: 1.6;
  color: var(--text);
  background: var(--bg);
}

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

a:hover {
  text-decoration: underline;
}

img {
  max-width: 100%;
  height: auto;
}

.site {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1.25rem;
}

/* Header */

.site-header {
  border-bottom: 3px solid var(--accent);
  padding: 2rem 0 1rem;
  margin-bottom: 2rem;
}

.site-title {
  margin: 0;
  font-size: 2.25rem;
}

.site-title a {
  color: var(--text);
}

.site-description {
  margin: 0.25rem 0 1rem;
  color: var(--muted);
  font-style: italic;
}

.site-nav ul {
  list-style: none;
  display: flex;
  gap: 1.5rem;
  margin: 0;
  padding: 0;
}

.site-nav a {
  color: var(--text);
  font-weight: 500;
  text-transform: uppercase;
  font-size: 0.85rem;
  letter-spacing: 0.05em;
}

.site-nav a:hover,
.site-nav a.active {
  color: var(--accent);
}

/* Layout */

.layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.5rem;
  align-items: start;
}

@media (min-width: 760px) {
  .layout {
    grid-template-columns: minmax(0, 1fr) 240px;
  }
}

/* Post list */

.post-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.post-list > li {
  padding-bottom: 2rem;
  margin-bottom: 2rem;
  border-bottom: 1px solid var(--border);
}

.post-list > li:last-child {
  border-bottom: none;
}

.post-list h2 {
  margin: 0 0 0.25rem;
  font-size: 1.5rem;
}

.entry-meta {
  color: var(--muted);
  font-size: 0.9rem;
  margin-bottom: 0.5rem;
}

.entry-meta a {
  color: var(--muted);
}

.entry-excerpt {
  margin: 0;
  color: var(--text);
}

/* Article */

.entry-title {
  font-size: 2rem;
  margin: 0 0 0.25rem;
}

.entry-content h2 {
  margin-top: 2rem;
}

.entry-content pre {
  background: var(--code-bg);
  color: var(--code-text);
  padding: 1rem;
  overflow-x: auto;
  border-radius: 4px;
  font-size: 0.9rem;
  line-height: 1.45;
}

.entry-content code {
  background: rgba(0, 0, 0, 0.06);
  padding: 0.1em 0.3em;
  border-radius: 3px;
  font-size: 0.9em;
}

.entry-content pre code {
  background: none;
  padding: 0;
}

.entry-content blockquote {
  margin: 1rem 0;
  padding: 0.25rem 1rem;
  border-left: 4px solid var(--border);
  color: var(--muted);
}

.entry-tags {
  margin-top: 2rem;
  font-size: 0.9rem;
  color: var(--muted);
}

.entry-tags .tag {
  display: inline-block;
  background: rgba(0, 0, 0, 0.05);
  border-radius: 3px;
  padding: 0.15em 0.5em;
  margin: 0 0.25em 0.25em 0;
}

.post-nav {
  margin: 2.5rem 0;
  padding: 1rem 0;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

/* Sidebar */

.widget {
  margin-bottom: 2rem;
}

.widget-title {
  font-size: 1.1rem;
  margin: 0 0 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--muted);
}

.widget ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

.widget li {
  margin-bottom: 0.5rem;
}

/* Footer */

.site-footer {
  margin-top: 3rem;
  padding: 1.5rem 0;
  border-top: 1px solid var(--border);
  color: var(--muted);
  font-size: 0.9rem;
}