:root {
  --bg0: #f4f6fb;
  --bg1: #eef1f8;
  --paper: #ffffff;
  --ink: #0f172a;
  --muted: #475569;
  --line: rgba(15, 23, 42, 0.12);
  --accent: #0ea5e9;
  --shadow: 0 18px 40px rgba(15, 23, 42, 0.10);
  --radius: 14px;
  --mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas,
    "Liberation Mono", "Courier New", monospace;
  --sans: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto,
    Helvetica, Arial, "Apple Color Emoji", "Segoe UI Emoji";
}

* { box-sizing: border-box; }

html, body { height: 100%; }
body {
  margin: 0;
  color: var(--ink);
  background:
    radial-gradient(900px 480px at 12% 18%, rgba(14, 165, 233, 0.16), transparent 55%),
    radial-gradient(1000px 520px at 86% 8%, rgba(34, 197, 94, 0.08), transparent 55%),
    linear-gradient(180deg, var(--bg0), var(--bg1));
  font-family: var(--sans);
  line-height: 1.6;
}

a {
  color: inherit;
  text-decoration: none;
}
a:hover { text-decoration: underline; text-decoration-thickness: 2px; text-underline-offset: 3px; }

.wrap {
  max-width: 980px;
  margin: 0 auto;
  padding: 28px 18px 64px;
}

.topbar {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
  padding: 18px 18px 14px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.7);
  backdrop-filter: blur(6px);
  box-shadow: 0 10px 24px rgba(15, 23, 42, 0.06);
}

.brand {
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.brand h1 {
  margin: 0;
  font-size: 18px;
  letter-spacing: 0.2px;
}
.brand .tagline {
  margin: 0;
  color: var(--muted);
  font-size: 13px;
  font-family: var(--mono);
}

.nav {
  display: flex;
  gap: 14px;
  align-items: center;
  flex-wrap: wrap;
}
.nav a {
  font-family: var(--mono);
  font-size: 13px;
  padding: 6px 10px;
  border-radius: 999px;
  border: 1px solid transparent;
}
.nav a:hover {
  border-color: var(--line);
  background: rgba(255, 255, 255, 0.7);
  text-decoration: none;
}

.hero {
  margin-top: 18px;
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
  padding: 22px 18px;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background: var(--paper);
  box-shadow: var(--shadow);
}
.hero .kicker {
  font-family: var(--mono);
  color: var(--muted);
  font-size: 12px;
  letter-spacing: 0.6px;
  text-transform: uppercase;
}
.hero h2 {
  margin: 0;
  font-size: 28px;
  line-height: 1.15;
  letter-spacing: -0.3px;
}
.hero p {
  margin: 0;
  max-width: 70ch;
  color: var(--muted);
}

.grid {
  margin-top: 16px;
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
}

.card {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.8);
  backdrop-filter: blur(6px);
  box-shadow: 0 10px 24px rgba(15, 23, 42, 0.06);
  overflow: hidden;
}

.post {
  padding: 18px 18px 16px;
}
.post .meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
  color: var(--muted);
  font-family: var(--mono);
  font-size: 12px;
}
.pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 8px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.7);
}
.dot {
  width: 7px;
  height: 7px;
  border-radius: 99px;
  background: var(--accent);
  display: inline-block;
}
.post h3 {
  margin: 10px 0 8px;
  font-size: 18px;
  letter-spacing: -0.2px;
}
.post p {
  margin: 0;
  color: var(--muted);
}

.post .cta {
  margin-top: 12px;
  display: inline-flex;
  gap: 10px;
  align-items: center;
  font-family: var(--mono);
  font-size: 13px;
  color: var(--ink);
}
.post .cta .arrow {
  width: 22px;
  height: 22px;
  border-radius: 999px;
  display: inline-grid;
  place-items: center;
  background: rgba(14, 165, 233, 0.14);
  border: 1px solid rgba(14, 165, 233, 0.22);
}

.article {
  padding: 22px 18px 28px;
}
.article h1 {
  margin: 0 0 10px;
  font-size: 28px;
  line-height: 1.15;
  letter-spacing: -0.3px;
}
.article .meta {
  margin: 0 0 16px;
  color: var(--muted);
  font-family: var(--mono);
  font-size: 12px;
}
.article p { margin: 0 0 14px; color: var(--muted); }
.article p strong { color: var(--ink); }
.article pre, .article code {
  font-family: var(--mono);
}
.article code {
  background: rgba(15, 23, 42, 0.06);
  border: 1px solid rgba(15, 23, 42, 0.10);
  padding: 2px 6px;
  border-radius: 8px;
  color: #0b1221;
}
.article pre {
  overflow: auto;
  padding: 12px 14px;
  border-radius: 12px;
  background: rgba(15, 23, 42, 0.06);
  border: 1px solid rgba(15, 23, 42, 0.10);
  color: #0b1221;
  margin: 0 0 14px;
}

.footer {
  margin-top: 18px;
  color: var(--muted);
  font-family: var(--mono);
  font-size: 12px;
  text-align: center;
}

@media (min-width: 920px) {
  .grid { grid-template-columns: 1fr 1fr; }
  .hero { padding: 26px 22px; }
  .topbar { padding: 18px 22px 14px; }
  .post { padding: 20px 22px 18px; }
  .article { padding: 28px 22px 34px; }
}