:root {
  --bg: #14151a;
  --bg-card: #1b1c22;
  --bg-card-hover: #212228;
  --border: #2b2c33;
  --text: #e7e7ea;
  --text-dim: #9a9aa5;
  --text-dimmer: #6f6f7a;
  --accent: #e5342e;
  --accent-hover: #c92a25;
  --sans: "Sora", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --mono: "JetBrains Mono", "Fira Code", Menlo, Consolas, monospace;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--sans);
  line-height: 1.7;
}

a { color: inherit; }

/* ============ Top bar ============ */
.blog-topbar {
  display: flex;
  align-items: center;
  gap: 20px;
  padding: 16px 24px;
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  background: rgba(20,21,26,0.92);
  backdrop-filter: blur(6px);
  z-index: 10;
}
.blog-brand {
  display: flex;
  align-items: center;
  gap: 9px;
  text-decoration: none;
  font-weight: 700;
  font-size: 16px;
  color: var(--text);
}
.blog-brand img { width: 26px; height: 26px; border-radius: 6px; }
.blog-nav { margin-left: auto; display: flex; align-items: center; gap: 18px; }
.blog-nav a { text-decoration: none; color: var(--text-dim); font-size: 14px; font-weight: 600; }
.blog-nav a:hover { color: var(--text); }
.blog-nav-cta {
  background: var(--accent);
  color: #fff !important;
  padding: 8px 16px;
  border-radius: 6px;
}
.blog-nav-cta:hover { background: var(--accent-hover); }

/* ============ Blog index / hero ============ */
.blog-hero {
  max-width: 900px;
  margin: 0 auto;
  padding: 64px 24px 24px;
  text-align: center;
}
.blog-hero h1 {
  font-size: 42px;
  margin: 0 0 14px;
  letter-spacing: -0.02em;
}
.blog-hero p {
  color: var(--text-dim);
  font-size: 17px;
  max-width: 620px;
  margin: 0 auto;
}

.blog-grid-wrap {
  max-width: 1080px;
  margin: 0 auto;
  padding: 40px 24px 100px;
}
.blog-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 20px;
}
.blog-card {
  display: flex;
  flex-direction: column;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 22px;
  text-decoration: none;
  color: var(--text);
  transition: background .15s, border-color .15s, transform .1s;
}
.blog-card:hover { background: var(--bg-card-hover); border-color: #3a3b44; transform: translateY(-2px); }
.blog-card-kicker {
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .07em;
  color: var(--accent);
  margin-bottom: 10px;
}
.blog-card h2 {
  font-size: 18px;
  margin: 0 0 10px;
  line-height: 1.35;
}
.blog-card p {
  font-size: 14px;
  color: var(--text-dim);
  margin: 0;
  flex: 1;
}
.blog-card-read {
  margin-top: 16px;
  font-size: 13px;
  font-weight: 700;
  color: var(--accent);
}

/* ============ Article page ============ */
.blog-article {
  max-width: 760px;
  margin: 0 auto;
  padding: 48px 24px 40px;
}
.blog-back {
  display: inline-block;
  color: var(--text-dim);
  text-decoration: none;
  font-size: 13px;
  margin-bottom: 24px;
}
.blog-back:hover { color: var(--text); }
.blog-kicker {
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .08em;
  color: var(--accent);
  margin: 0 0 10px;
}
.blog-article h1 {
  font-size: 34px;
  line-height: 1.25;
  margin: 0 0 12px;
  letter-spacing: -0.015em;
}
.blog-meta {
  color: var(--text-dimmer);
  font-size: 13px;
  margin-bottom: 36px;
  padding-bottom: 28px;
  border-bottom: 1px solid var(--border);
}
.blog-article h2 {
  font-size: 22px;
  margin: 40px 0 14px;
  color: #fff;
  letter-spacing: -0.01em;
}
.blog-article h3 {
  font-size: 17px;
  margin: 28px 0 10px;
  color: #fff;
}
.blog-article p {
  font-size: 16px;
  color: #cfcfd6;
  margin: 0 0 18px;
}
.blog-article ul, .blog-article ol {
  padding-left: 22px;
  margin: 0 0 20px;
}
.blog-article li {
  font-size: 16px;
  color: #cfcfd6;
  margin-bottom: 10px;
}
.blog-article strong { color: #fff; }
.blog-article code {
  font-family: var(--mono);
  background: var(--bg-card);
  border: 1px solid var(--border);
  padding: 2px 6px;
  border-radius: 4px;
  font-size: 0.9em;
  color: #ffb4b0;
}
.blog-article pre {
  background: #0e0f13;
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 16px 18px;
  overflow-x: auto;
  margin: 0 0 20px;
}
.blog-article pre code {
  background: none;
  border: none;
  padding: 0;
  color: #d7d9e3;
  font-size: 13.5px;
  line-height: 1.6;
}
.blog-callout {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-left: 3px solid var(--accent);
  border-radius: 8px;
  padding: 16px 18px;
  margin: 24px 0;
  font-size: 15px;
  color: var(--text-dim);
}
.blog-callout strong { color: var(--text); }

.blog-takeaways {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 22px 24px;
  margin: 32px 0;
}
.blog-takeaways h3 { margin-top: 0; }
.blog-takeaways ul { margin-bottom: 0; }

/* ============ Final CTA ============ */
.blog-cta {
  margin-top: 52px;
  padding: 36px 32px;
  border-radius: 14px;
  background: linear-gradient(180deg, #1d1e24, #17181c);
  border: 1px solid var(--border);
  text-align: center;
}
.blog-cta h2 { margin-top: 0; font-size: 24px; }
.blog-cta p { color: var(--text-dim); max-width: 480px; margin: 0 auto 22px; }
.blog-cta-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--accent);
  color: #fff;
  text-decoration: none;
  font-weight: 700;
  font-size: 15px;
  padding: 13px 26px;
  border-radius: 8px;
}
.blog-cta-btn:hover { background: var(--accent-hover); }

.blog-related {
  margin-top: 48px;
  padding-top: 28px;
  border-top: 1px solid var(--border);
}
.blog-related h3 { margin-top: 0; }
.blog-related-links { display: flex; flex-direction: column; gap: 8px; }
.blog-related-links a { color: var(--accent); text-decoration: none; font-size: 15px; }
.blog-related-links a:hover { text-decoration: underline; }

/* ============ Footer ============ */
.blog-footer {
  display: flex;
  gap: 20px;
  align-items: center;
  justify-content: center;
  padding: 28px 24px 60px;
  color: var(--text-dimmer);
  font-size: 13px;
  border-top: 1px solid var(--border);
  max-width: 1080px;
  margin: 0 auto;
}
.blog-footer a { color: var(--text-dimmer); text-decoration: none; }
.blog-footer a:hover { color: var(--text-dim); }

@media (max-width: 640px) {
  .blog-hero h1 { font-size: 30px; }
  .blog-article h1 { font-size: 27px; }
  .blog-topbar { gap: 10px; }
  .blog-nav { gap: 10px; }
}