:root {
  --bg-0: #07090f;
  --bg-1: #0b0e16;
  --bg-2: #11151f;
  --line: rgba(255, 255, 255, 0.08);
  --line-bright: rgba(255, 255, 255, 0.14);
  --line-blue: rgba(37, 99, 235, 0.28);
  --ink-0: #faf8f3;
  --ink-1: #c8ccd6;
  --ink-2: #8b90a0;
  --ink-3: #5e6373;
  --blue: #2563eb;
  --blue-bright: #60a5fa;
  --blue-glow: rgba(37, 99, 235, 0.36);
  --emerald: #5fbb7a;
  --serif: "Instrument Serif", "Times New Roman", serif;
  --sans: "Geist", system-ui, sans-serif;
  --mono: "Geist Mono", "JetBrains Mono", monospace;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  font-family: var(--sans);
  background: var(--bg-0);
  color: var(--ink-0);
  font-size: 16px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}
body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: 1000;
  pointer-events: none;
  opacity: 0.04;
  mix-blend-mode: overlay;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='200' height='200'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/></filter><rect width='100%25' height='100%25' filter='url(%23n)'/></svg>");
}
a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }
button, input, select, textarea { font: inherit; }
.container { max-width: 1180px; margin: 0 auto; padding: 0 24px; position: relative; }
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}
.nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(7, 9, 15, 0.82);
  backdrop-filter: blur(16px) saturate(140%);
  border-bottom: 1px solid var(--line);
}
.nav-inner {
  min-height: 68px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}
.logo { display: inline-flex; align-items: center; gap: 10px; font-weight: 600; font-size: 17px; letter-spacing: -0.02em; }
.logo-mark { width: 28px; height: 28px; display: inline-flex; color: var(--blue); filter: drop-shadow(0 4px 10px rgba(37,99,235,0.28)); }
.logo-mark svg { width: 28px; height: 28px; }
.nav-links { display: flex; align-items: center; gap: 4px; }
.nav-link { color: var(--ink-1); font-size: 14px; padding: 8px 12px; border-radius: 8px; }
.nav-link:hover, .nav-link[aria-current="page"] { color: var(--ink-0); background: rgba(255,255,255,0.04); }
.hero {
  position: relative;
  padding: 88px 0 56px;
  overflow: hidden;
  border-bottom: 1px solid var(--line);
}
.hero::before {
  content: "";
  position: absolute;
  width: 620px;
  height: 620px;
  top: -300px;
  right: -180px;
  border-radius: 50%;
  background: radial-gradient(circle, var(--blue-glow), transparent 70%);
  filter: blur(80px);
  opacity: 0.72;
}
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--blue-bright);
  font-weight: 500;
  margin-bottom: 22px;
}
.eyebrow::before { content: ""; width: 18px; height: 1px; background: var(--blue-bright); }
h1 {
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(44px, 7vw, 84px);
  line-height: 0.98;
  letter-spacing: -0.025em;
  max-width: 900px;
}
.hero-copy { margin-top: 24px; max-width: 780px; color: var(--ink-1); font-size: 18px; }
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border: 0;
  border-radius: 5%;
  background: var(--blue);
  color: #f8fbff;
  padding: 14px 22px;
  font-weight: 600;
  cursor: pointer;
  box-shadow: 0 1px 0 rgba(255,255,255,0.3) inset, 0 0 0 1px var(--blue), 0 14px 34px -16px var(--blue-glow);
}
.btn:hover { background: var(--blue-bright); }
.btn.secondary { background: rgba(255,255,255,0.04); border: 1px solid var(--line-bright); color: var(--ink-0); box-shadow: none; }
.blog-toolbar {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 220px 220px;
  gap: 12px;
  margin-top: 34px;
}
.blog-toolbar input, .blog-toolbar select {
  border: 1px solid var(--line-bright);
  border-radius: 8px;
  background: rgba(7,9,15,0.72);
  color: var(--ink-0);
  padding: 12px 13px;
  outline: none;
}
.blog-toolbar input:focus, .blog-toolbar select:focus { border-color: var(--blue-bright); box-shadow: 0 0 0 4px rgba(37,99,235,0.16); }
.featured-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(280px, 0.8fr);
  gap: 18px;
  padding: 48px 0 22px;
}
.post-card, .article-card {
  border: 1px solid var(--line);
  border-radius: 12px;
  background: linear-gradient(180deg, rgba(255,255,255,0.045), rgba(255,255,255,0.018));
  overflow: hidden;
}
.post-card.featured { min-height: 100%; }
.post-card img { width: 100%; aspect-ratio: 16 / 9; object-fit: cover; background: var(--bg-2); }
.post-body { padding: 22px; }
.meta { display: flex; flex-wrap: wrap; gap: 8px 12px; color: var(--ink-3); font-size: 12.5px; margin-bottom: 12px; }
.category { color: var(--blue-bright); font-family: var(--mono); font-size: 11px; text-transform: uppercase; letter-spacing: 0.1em; }
.post-card h2, .post-card h3 { line-height: 1.12; letter-spacing: -0.02em; margin-bottom: 10px; }
.post-card h2 { font-size: clamp(30px, 4vw, 48px); font-family: var(--serif); font-weight: 400; }
.post-card h3 { font-size: 22px; }
.post-card p { color: var(--ink-2); }
.tag-row { display: flex; flex-wrap: wrap; gap: 7px; margin-top: 16px; }
.tag { border: 1px solid var(--line); color: var(--ink-2); border-radius: 999px; padding: 4px 9px; font-size: 12px; }
.post-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 18px; padding: 28px 0 72px; }
.breadcrumbs { color: var(--ink-3); font-size: 13px; margin-bottom: 24px; }
.breadcrumbs a { color: var(--ink-2); }
.article-layout { display: grid; grid-template-columns: 240px minmax(0, 760px) 220px; gap: 34px; padding: 42px 0 82px; align-items: start; }
.toc, .share-box, .related-box {
  position: sticky;
  top: 92px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: rgba(255,255,255,0.03);
  padding: 16px;
}
.toc-title, .share-title { font-family: var(--mono); font-size: 11px; letter-spacing: 0.14em; text-transform: uppercase; color: var(--ink-3); margin-bottom: 12px; }
.toc a { display: block; color: var(--ink-2); font-size: 13px; padding: 5px 0; }
.toc a:hover { color: var(--blue-bright); }
.article-hero-image {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--bg-2);
  margin: 28px 0;
}
.article-content { color: var(--ink-1); }
.article-content h2 {
  font-family: var(--serif);
  font-weight: 400;
  color: var(--ink-0);
  font-size: clamp(30px, 4vw, 44px);
  line-height: 1.05;
  letter-spacing: -0.02em;
  margin: 44px 0 16px;
}
.article-content h3 { color: var(--ink-0); font-size: 21px; line-height: 1.28; margin: 28px 0 10px; }
.article-content p { margin: 15px 0; }
.article-content ul, .article-content ol { margin: 16px 0 20px 24px; color: var(--ink-1); }
.article-content li { margin: 8px 0; }
.article-content blockquote {
  margin: 28px 0;
  border-left: 3px solid var(--blue-bright);
  padding: 14px 18px;
  background: rgba(37,99,235,0.08);
  color: var(--ink-0);
}
.article-content pre {
  overflow-x: auto;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #05070d;
  color: #dbeafe;
  padding: 16px;
}
.inline-cta {
  margin: 34px 0;
  border: 1px solid var(--line-blue);
  border-radius: 12px;
  background: linear-gradient(180deg, rgba(37,99,235,0.1), rgba(37,99,235,0.025));
  padding: 24px;
}
.inline-cta h3 { margin-top: 0; }
.share-buttons { display: grid; gap: 8px; }
.share-buttons a, .share-buttons button {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255,255,255,0.03);
  color: var(--ink-1);
  padding: 9px;
  cursor: pointer;
  text-align: left;
}
.related-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; margin-top: 18px; }
.footer {
  padding: 60px 0 36px;
  border-top: 1px solid var(--line);
  background: var(--bg-1);
}
.footer-grid { display: grid; grid-template-columns: 1.3fr 1fr 1fr 1fr; gap: 40px; margin-bottom: 48px; }
.footer-brand .logo { margin-bottom: 18px; }
.footer-brand p { font-size: 13.5px; color: var(--ink-2); max-width: 320px; }
.footer h5 { font-family: var(--mono); font-size: 11px; letter-spacing: 0.14em; text-transform: uppercase; color: var(--ink-3); margin-bottom: 18px; font-weight: 500; }
.footer ul { list-style: none; }
.footer ul li { margin-bottom: 10px; }
.footer ul a { font-size: 14px; color: var(--ink-1); transition: color 0.2s; }
.footer ul a:hover, .footer ul a[aria-current="page"] { color: var(--blue-bright); }
.footer-bottom { padding-top: 28px; border-top: 1px solid var(--line); display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 16px; font-size: 12.5px; color: var(--ink-3); }
.mono { font-family: var(--mono); letter-spacing: 0.05em; }
.admin-shell { max-width: 1180px; margin: 0 auto; padding: 48px 24px 96px; }
.admin-grid { display: grid; grid-template-columns: 280px minmax(0, 1fr); gap: 20px; }
.admin-panel { border: 1px solid var(--line); border-radius: 12px; background: rgba(255,255,255,0.03); padding: 18px; }
.admin-panel label { display: grid; gap: 6px; color: var(--ink-1); font-size: 13px; margin-bottom: 12px; }
.admin-panel input, .admin-panel textarea, .admin-panel select { width: 100%; border: 1px solid var(--line-bright); border-radius: 8px; background: rgba(7,9,15,0.72); color: var(--ink-0); padding: 10px; }
.admin-panel textarea { min-height: 180px; resize: vertical; }
@media (max-width: 1040px) {
  .article-layout { grid-template-columns: 1fr; }
  .toc, .share-box { position: relative; top: auto; }
  .featured-grid, .post-grid, .related-grid, .admin-grid { grid-template-columns: 1fr; }
}
@media (max-width: 760px) {
  .nav-links { display: none; }
  .blog-toolbar { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 30px; }
}