:root {
  --bg: #0b0f14;
  --bg-soft: #11161d;
  --card: #141b24;
  --border: #232d3a;
  --text: #dbe4ee;
  --text-dim: #8b98a9;
  --accent: #22d3ee;
  --accent-2: #818cf8;
  --radius: 14px;
  --mono: "JetBrains Mono", "Fira Code", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: radial-gradient(1200px 600px at 80% -10%, rgba(34, 211, 238, .08), transparent 60%),
              radial-gradient(900px 500px at 10% 0%, rgba(129, 140, 248, .08), transparent 55%),
              var(--bg);
  color: var(--text);
  font-family: Inter, system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  line-height: 1.65;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

main { flex: 1; }

.container {
  width: min(1080px, 92vw);
  margin: 0 auto;
}

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

.accent {
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

/* ---------- Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(12px);
  background: rgba(11, 15, 20, .75);
  border-bottom: 1px solid var(--border);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 0;
}

.logo {
  font-family: var(--mono);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text);
}
.logo:hover { text-decoration: none; }

.site-nav { display: flex; gap: 26px; }

.site-nav a {
  color: var(--text-dim);
  font-size: .95rem;
  transition: color .15s;
}
.site-nav a:hover { color: var(--text); text-decoration: none; }

/* ---------- Hero ---------- */
.hero { padding: 96px 0 64px; }

.hero-kicker {
  font-family: var(--mono);
  color: var(--accent);
  margin: 0 0 18px;
  font-size: .95rem;
}

.hero h1 {
  font-size: clamp(2.2rem, 5.5vw, 3.6rem);
  line-height: 1.15;
  margin: 0 0 18px;
  letter-spacing: -.02em;
}

.hero-sub {
  max-width: 560px;
  color: var(--text-dim);
  font-size: 1.1rem;
  margin: 0 0 32px;
}

.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; }

.btn {
  display: inline-block;
  padding: 11px 22px;
  border-radius: 10px;
  border: 1px solid var(--border);
  color: var(--text);
  font-weight: 600;
  font-size: .95rem;
  transition: transform .12s, border-color .15s, background .15s;
}
.btn:hover { text-decoration: none; transform: translateY(-1px); border-color: var(--accent); }

.btn-primary {
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
  color: #0b0f14;
  border: none;
}
.btn-primary:hover { filter: brightness(1.1); }

/* ---------- Cards ---------- */
.section-title {
  font-size: 1.5rem;
  margin: 0 0 22px;
  letter-spacing: -.01em;
}

.page-title {
  font-size: 2.4rem;
  margin: 56px 0 32px;
  letter-spacing: -.02em;
}

.latest { padding-bottom: 80px; }

.cards {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 18px;
}

.card {
  display: flex;
  flex-direction: column;
  gap: 12px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 22px;
  color: var(--text);
  transition: transform .15s, border-color .15s, box-shadow .15s;
}

.card:hover {
  text-decoration: none;
  transform: translateY(-3px);
  border-color: rgba(34, 211, 238, .5);
  box-shadow: 0 12px 32px rgba(0, 0, 0, .35);
}

.card h3 { margin: 0; font-size: 1.15rem; line-height: 1.35; }
.card-summary { margin: 0; color: var(--text-dim); font-size: .93rem; flex: 1; }
.card-summary p { margin: 0; }

.card-tags { display: flex; gap: 8px; flex-wrap: wrap; }

.tag {
  font-family: var(--mono);
  font-size: .78rem;
  color: var(--accent);
  background: rgba(34, 211, 238, .08);
  border: 1px solid rgba(34, 211, 238, .25);
  padding: 3px 10px;
  border-radius: 999px;
}
a.tag:hover { background: rgba(34, 211, 238, .18); text-decoration: none; }

.card-date {
  font-family: var(--mono);
  font-size: .8rem;
  color: var(--text-dim);
}

/* ---------- Post ---------- */
.post { padding: 64px 0 80px; max-width: 780px; }

.post-header h1 {
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  line-height: 1.2;
  margin: 14px 0 10px;
  letter-spacing: -.02em;
}

.post-meta {
  font-family: var(--mono);
  color: var(--text-dim);
  font-size: .88rem;
  margin: 0 0 36px;
}

.post-body { font-size: 1.02rem; }

.post-body h2 {
  margin-top: 2.2em;
  font-size: 1.45rem;
  letter-spacing: -.01em;
  padding-top: .3em;
}

.post-body h3 { margin-top: 1.8em; font-size: 1.15rem; }

.post-body p { margin: 1em 0; }

.post-body ul, .post-body ol { padding-left: 1.4em; }
.post-body li { margin: .35em 0; }

.post-body blockquote {
  margin: 1.5em 0;
  padding: 12px 20px;
  border-left: 3px solid var(--accent);
  background: var(--bg-soft);
  border-radius: 0 10px 10px 0;
  color: var(--text-dim);
}

.post-body code {
  font-family: var(--mono);
  font-size: .88em;
  background: var(--bg-soft);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 2px 6px;
  color: #93c5fd;
}

.post-body pre {
  background: #0d1117;
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 18px 20px;
  overflow-x: auto;
  line-height: 1.55;
}

.post-body pre code {
  background: none;
  border: none;
  padding: 0;
  color: #c9d6e3;
  font-size: .85rem;
}

.post-body table {
  width: 100%;
  border-collapse: collapse;
  margin: 1.5em 0;
  font-size: .93rem;
}

.post-body th, .post-body td {
  border: 1px solid var(--border);
  padding: 10px 14px;
  text-align: left;
}

.post-body th { background: var(--bg-soft); }

.post-body img {
  max-width: 100%;
  border-radius: 12px;
  border: 1px solid var(--border);
}

/* ---------- Footer ---------- */
.site-footer {
  border-top: 1px solid var(--border);
  padding: 28px 0;
  margin-top: auto;
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
  color: var(--text-dim);
  font-size: .88rem;
}
.footer-inner p { margin: 0; }
.footer-dim { opacity: .7; font-family: var(--mono); font-size: .8rem; }

/* ---------- Responsive ---------- */
@media (max-width: 640px) {
  .hero { padding: 64px 0 40px; }
  .header-inner { flex-direction: column; gap: 10px; }
  .site-nav { gap: 18px; }
}