:root {
  color-scheme: light;
  --bg: #fdf9f2;
  --text: #2a2a2f;
  --accent: #79a7d3;
  --accent-strong: #5b8cb8;
  --muted: #6f6a72;
  --border: #f1e4d7;
  --card: #fffdf9;
  --header-grad: linear-gradient(135deg, #fdf3f5, #f2f6ff);
  --shadow: 0 12px 40px rgba(47, 53, 66, 0.08);
  font-family: 'Inter', 'Atkinson Hyperlegible', system-ui, -apple-system,
    BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  background: var(--bg);
  color: var(--text);
  line-height: 1.65;
}

.container {
  width: min(960px, calc(100% - 2rem));
  margin: 0 auto;
  padding: 2.5rem 0;
}

.site-header {
  background: var(--header-grad);
  border-bottom: 1px solid var(--border);
  position: relative;
  overflow: hidden;
}

.site-header::after {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 20% 20%, rgba(255, 255, 255, 0.6), transparent 45%);
  pointer-events: none;
}

.site-footer {
  border-top: 1px solid var(--border);
  background: var(--card);
}

.site-header h1 {
  margin-bottom: 0.35rem;
  font-size: clamp(1.75rem, 2.6vw, 2.4rem);
  letter-spacing: -0.02em;
}

.site-header a {
  color: inherit;
  text-decoration: none;
}

.tagline {
  margin: 0;
  color: var(--muted);
  font-size: 1rem;
}

.post-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
  padding: 1rem 0 3rem;
}

.post-card {
  border: 1px solid var(--border);
  border-radius: 1.25rem;
  padding: 1.75rem;
  background: var(--card);
  box-shadow: var(--shadow);
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.post-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 20px 45px rgba(91, 140, 184, 0.25);
}

.post-card h2 {
  margin-top: 0.35rem;
  margin-bottom: 0.35rem;
  font-size: 1.4rem;
}

.post-card a {
  color: var(--text);
  text-decoration: none;
}

.post-card a:focus-visible,
.post-card a:hover {
  color: var(--accent-strong);
}

.post-card .meta {
  font-size: 0.85rem;
  letter-spacing: 0.05em;
  color: var(--muted);
}

.post-card p {
  margin: 0.5rem 0 0;
  color: #4f4b51;
}

.post {
  background: var(--card);
  padding: clamp(1.75rem, 4vw, 3rem);
  border-radius: 1.5rem;
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
}

.post-date {
  text-transform: uppercase;
  letter-spacing: 0.2em;
  font-size: 0.78rem;
  color: var(--muted);
  margin-top: 0;
}

.post-description {
  margin-top: 0.25rem;
  color: #5c5b61;
}

.post-body h2,
.post-body h3 {
  margin-top: 2.5rem;
  color: #33303a;
}

.post-body pre {
  padding: 1.25rem;
  border-radius: 0.85rem;
  background: #101623;
  color: #f5f7ff;
  overflow: auto;
  border: none;
}

.post-body code {
  font-family: 'JetBrains Mono', SFMono-Regular, Consolas, 'Liberation Mono',
    Menlo, monospace;
}

.post-body a {
  color: var(--accent-strong);
  text-decoration: underline;
  text-decoration-color: rgba(89, 140, 184, 0.4);
  text-decoration-thickness: 2px;
}

.post-body blockquote {
  margin: 2rem 0;
  padding: 1rem 1.5rem;
  border-left: 4px solid var(--accent);
  background: rgba(121, 167, 211, 0.12);
  border-radius: 0 1rem 1rem 0;
  color: #4c5060;
  font-style: italic;
}

.backlinks {
  margin-top: 3rem;
}

.backlinks-card {
  border: 1px solid var(--border);
  border-radius: 1.25rem;
  padding: 1.5rem;
  background: var(--card);
  box-shadow: var(--shadow);
}

.backlinks h2 {
  margin-top: 0;
  margin-bottom: 0.75rem;
  font-size: 1.1rem;
  color: #393742;
}

.backlinks ul {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

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

.backlinks a:hover,
.backlinks a:focus-visible {
  text-decoration: underline;
}