:root {
  --bg: #f7f7f5;
  --bg-card: #ffffff;
  --border: #e5e5e0;
  --text: #16181c;
  --text-dim: #5a6068;
  --accent: #0f9d68;
  --accent2: #0284c7;
  --radius: 14px;
  --maxw: 780px;
  font-size: 16px;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Inter", "Segoe UI", sans-serif;
  line-height: 1.65;
}

.wrap {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 48px 20px 100px;
}

header.site {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  margin-bottom: 44px;
  flex-wrap: wrap;
  gap: 12px;
}

.brand {
  font-size: 1.4rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  text-decoration: none;
  color: var(--text);
}

.brand span { color: var(--accent); }

.tagline {
  color: var(--text-dim);
  font-size: 0.95rem;
}

nav.site a {
  color: var(--text-dim);
  text-decoration: none;
  font-size: 0.9rem;
  margin-left: 18px;
}
nav.site a:hover { color: var(--accent); }

.intro {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  margin-bottom: 40px;
}
.intro h1 { margin: 0 0 10px; font-size: 1.5rem; }
.intro p { margin: 0; color: var(--text-dim); }

.posts { display: flex; flex-direction: column; gap: 16px; }

.post-card {
  display: block;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 22px 24px;
  text-decoration: none;
  color: var(--text);
  transition: border-color 0.15s ease, transform 0.15s ease;
}
.post-card:hover { border-color: var(--accent); transform: translateY(-1px); }

.post-card .meta {
  font-size: 0.78rem;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 6px;
}
.post-card h2 { margin: 0 0 6px; font-size: 1.15rem; }
.post-card p { margin: 0; color: var(--text-dim); font-size: 0.95rem; }

.tag {
  display: inline-block;
  background: rgba(110,231,183,0.12);
  color: var(--accent);
  border-radius: 999px;
  padding: 2px 10px;
  font-size: 0.72rem;
  font-weight: 600;
  margin-right: 6px;
}

article.post {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 36px;
}
article.post .meta {
  font-size: 0.8rem;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 10px;
}
article.post h1 { margin: 0 0 18px; font-size: 1.8rem; letter-spacing: -0.01em; }
article.post h2 { margin-top: 34px; font-size: 1.2rem; }
article.post p { margin: 14px 0; }
article.post code {
  background: rgba(125,211,252,0.12);
  color: var(--accent2);
  padding: 2px 6px;
  border-radius: 5px;
  font-size: 0.88em;
}
article.post ul { padding-left: 20px; }
article.post li { margin: 6px 0; }

.back {
  display: inline-block;
  margin-bottom: 24px;
  color: var(--text-dim);
  text-decoration: none;
  font-size: 0.9rem;
}
.back:hover { color: var(--accent); }

.follow {
  margin-top: 40px;
  padding: 24px;
  border: 1px dashed var(--border);
  border-radius: var(--radius);
  text-align: center;
  color: var(--text-dim);
}
.follow strong { color: var(--text); }

footer.site {
  margin-top: 60px;
  text-align: center;
  color: var(--text-dim);
  font-size: 0.85rem;
}