*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg: #0a0e14;
  --bg-2: #0f1420;
  --surface: #141a26;
  --surface-2: #1a2030;
  --border: #242b3d;
  --border-lit: #2f3850;
  --text: #e8ecf3;
  --text-dim: #a8b2c7;
  --muted: #7a86a1;
  --blue: #5b9cff;
  --amber: #ffb547;
  --radius: 10px;
  --max: 1040px;
  --max-article: 780px;
  --mono: 'IBM Plex Mono', ui-monospace, Menlo, monospace;
  --sans: 'IBM Plex Sans', system-ui, -apple-system, sans-serif;
}

html { scroll-behavior: smooth; }

body {
  font-family: var(--sans);
  background: var(--bg);
  color: var(--text);
  font-size: 1rem;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 1;
  opacity: 0.025;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='3' /%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' /%3E%3C/svg%3E");
}

a { color: var(--blue); text-decoration: none; transition: color .15s; }
a:hover { color: var(--amber); }
::selection { background: var(--amber); color: var(--bg); }

nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(10, 14, 20, 0.86);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  padding: 0 1.5rem;
}

.nav-inner {
  max-width: var(--max);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 60px;
  gap: 1rem;
}

.nav-logo {
  color: var(--text);
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 1.5rem;
  letter-spacing: 0.02em;
}

.nav-logo-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--amber);
  box-shadow: 0 0 10px var(--amber);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.btn {
  display: inline-flex;
  align-items: center;
  padding: 0.45rem 0.95rem;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  color: var(--text-dim);
  font-size: 0.85rem;
  font-weight: 500;
  white-space: nowrap;
}

.btn:hover { border-color: var(--border-lit); color: var(--text); }

.container {
  width: min(var(--max), 100%);
  margin: 0 auto;
  padding: 0 1.5rem;
  position: relative;
  z-index: 2;
}

.blog-hero {
  position: relative;
  overflow: hidden;
  padding: 5rem 0 4.25rem;
  border-bottom: 1px solid var(--border);
}

.blog-hero::before {
  content: "";
  position: absolute;
  inset: -20% -10%;
  background:
    radial-gradient(ellipse 500px 300px at 20% 30%, rgba(91, 156, 255, 0.08), transparent 60%),
    radial-gradient(ellipse 400px 250px at 80% 60%, rgba(255, 181, 71, 0.06), transparent 60%);
  pointer-events: none;
}

.eyebrow,
.article-header time,
.post-card time {
  font-family: var(--mono);
  font-size: 0.76rem;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  color: var(--muted);
}

.eyebrow {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1.35rem;
}

.eyebrow::before {
  content: "";
  width: 24px;
  height: 1px;
  background: var(--amber);
}

.blog-hero h1 {
  max-width: 760px;
  font-size: clamp(3rem, 8vw, 5.6rem);
  line-height: 0.96;
  font-weight: 700;
  letter-spacing: 0;
  margin-bottom: 1.35rem;
}

.blog-hero p {
  max-width: 680px;
  color: var(--text-dim);
  font-size: 1.12rem;
}

.post-list {
  padding-top: 3rem;
  padding-bottom: 5rem;
  display: grid;
  gap: 1rem;
}

.post-card {
  padding: 1.5rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}

.post-card h2 {
  max-width: 820px;
  margin: 0.5rem 0 0.75rem;
  font-size: clamp(1.45rem, 3vw, 2rem);
  line-height: 1.15;
  letter-spacing: 0;
}

.post-card h2 a { color: var(--text); }
.post-card h2 a:hover { color: var(--amber); }

.post-card p {
  max-width: 820px;
  color: var(--text-dim);
}

.read-link {
  display: inline-block;
  margin-top: 1rem;
  font-weight: 600;
}

.article-shell {
  width: min(var(--max-article), 100%);
  margin: 0 auto;
  padding: 3.5rem 1.5rem 5rem;
  position: relative;
  z-index: 2;
}

.article {
  min-width: 0;
}

.back-link {
  display: inline-block;
  margin-bottom: 2rem;
  color: var(--text-dim);
  font-weight: 600;
}

.article-header {
  padding-bottom: 2.25rem;
  margin-bottom: 2.5rem;
  border-bottom: 1px solid var(--border);
}

.article-header h1 {
  margin: 0.75rem 0 1rem;
  font-size: clamp(2.2rem, 7vw, 4.2rem);
  line-height: 1.02;
  letter-spacing: 0;
}

.article-header p {
  color: var(--text-dim);
  font-size: 1.12rem;
}

.article-body h1 {
  margin: 0 0 1.25rem;
  font-size: clamp(2rem, 6vw, 3.4rem);
  line-height: 1.08;
  letter-spacing: 0;
}

.article-body h2 {
  margin: 2.75rem 0 1rem;
  font-size: clamp(1.45rem, 4vw, 2.05rem);
  line-height: 1.16;
  letter-spacing: 0;
}

.article-body p {
  margin: 1.1rem 0;
  color: var(--text-dim);
  font-size: 1.05rem;
}

.article-body strong {
  color: var(--text);
  font-weight: 700;
}

footer {
  border-top: 1px solid var(--border);
  color: var(--muted);
  position: relative;
  z-index: 2;
}

.footer-inner {
  width: min(var(--max), 100%);
  margin: 0 auto;
  padding: 1.5rem;
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
  font-size: 0.9rem;
}

@media (max-width: 720px) {
  nav { padding: 0 1rem; }
  .nav-inner {
    align-items: flex-start;
    flex-direction: column;
    padding: 0.85rem 0;
  }
  .nav-links { justify-content: flex-start; }
  .blog-hero { padding: 3.5rem 0 3rem; }
  .post-card { padding: 1.1rem; }
  .article-shell { padding: 2.25rem 1rem 4rem; }
  .article-header { margin-bottom: 2rem; }
}