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

:root {
  --bg: #0a0a0f;
  --bg-card: #12121a;
  --bg-elevated: #1a1a24;
  --fg: #f0eee9;
  --fg-muted: #8a8580;
  --accent: #00d4ff;
  --accent-warm: #ff6b35;
  --accent-magenta: #ff0080;
  --rule: #2a2a35;
  --font-display: 'Space Grotesk', sans-serif;
  --font-body: 'Inter', sans-serif;
}

body {
  font-family: var(--font-body);
  background: var(--bg);
  color: var(--fg);
  font-size: 16px;
  line-height: 1.7;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--accent); text-decoration: none; transition: color 0.2s; }
a:hover { color: var(--accent-warm); }

/* Header */
.site-header {
  background: rgba(10, 10, 15, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--rule);
  padding: 1.25rem 3rem;
  position: sticky;
  top: 0;
  z-index: 1000;
}

.header-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.site-title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.375rem;
  color: var(--fg);
  letter-spacing: -0.02em;
}

.site-title:hover { color: var(--accent); }

.main-nav {
  display: flex;
  gap: 2.5rem;
}

.main-nav a {
  font-family: var(--font-display);
  font-size: 0.75rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--fg-muted);
  padding: 0.25rem 0;
  border-bottom: 2px solid transparent;
  transition: all 0.2s;
}

.main-nav a:hover {
  color: var(--accent);
  border-bottom-color: var(--accent);
}

/* Post/Page Header */
.post-header {
  background: linear-gradient(160deg, #0a0a12 0%, #141422 100%);
  padding: 5rem 3rem 3rem;
  text-align: center;
  border-bottom: 1px solid var(--rule);
  position: relative;
}

.post-header::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.02) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.02) 1px, transparent 1px);
  background-size: 50px 50px;
  pointer-events: none;
}

.post-title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  max-width: 800px;
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

.post-meta {
  margin-top: 1.5rem;
  font-family: var(--font-display);
  font-size: 0.75rem;
  color: var(--fg-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  position: relative;
  z-index: 1;
}

.separator { margin: 0 0.5rem; opacity: 0.5; }

/* Post/Page Content */
.post-content {
  max-width: 680px;
  margin: 0 auto;
  padding: 3rem 2rem;
  font-size: 1.125rem;
  line-height: 1.85;
}

.post-content h1 {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 700;
  margin-top: 3rem;
  margin-bottom: 1.5rem;
  color: var(--fg);
  border-top: 1px solid var(--rule);
  padding-top: 2rem;
}

.post-content h2 {
  font-family: var(--font-display);
  font-size: 1.75rem;
  font-weight: 600;
  margin-top: 3rem;
  margin-bottom: 1rem;
  padding-top: 2rem;
  border-top: 1px solid var(--rule);
}

.post-content h3 {
  font-family: var(--font-display);
  font-size: 1.375rem;
  font-weight: 600;
  margin-top: 2.5rem;
  margin-bottom: 0.75rem;
}

.post-content p {
  margin-bottom: 1.5rem;
  color: var(--fg);
}

.post-content blockquote {
  border-left: 3px solid var(--accent);
  background: var(--bg-card);
  padding: 1.5rem 2rem;
  margin: 2rem 0;
  font-family: var(--font-display);
  font-size: 1.125rem;
  color: var(--fg);
  font-style: italic;
  border-radius: 0 4px 4px 0;
}

.post-content ul, .post-content ol {
  margin: 1.5rem 0 1.5rem 1.5rem;
  color: var(--fg);
}

.post-content li {
  margin-bottom: 0.75rem;
  line-height: 1.7;
}

.post-content a {
  border-bottom: 1px solid var(--accent);
  padding-bottom: 1px;
}

.post-content a:hover {
  border-bottom-color: var(--accent-warm);
}

.post-content strong { color: var(--fg); font-weight: 600; }

/* Drop cap on first paragraph */
.post-content > p:first-of-type::first-letter {
  font-family: var(--font-display);
  font-size: 3.5em;
  font-weight: 700;
  line-height: 0.8;
  float: left;
  margin: 0.1em 0.1em 0 0;
  color: var(--accent);
}

/* Footer */
.post-footer {
  max-width: 680px;
  margin: 0 auto;
  padding: 2rem;
  border-top: 1px solid var(--rule);
}

.author-bio {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.author-bio img {
  border-radius: 50%;
  width: 60px;
  height: 60px;
}

.author-name {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.85rem;
  display: block;
  margin-bottom: 0.25rem;
}

.author-description {
  font-size: 0.85rem;
  color: var(--fg-muted);
}

.site-footer {
  background: var(--bg-card);
  border-top: 1px solid var(--rule);
  padding: 2.5rem 3rem;
  text-align: center;
  margin-top: 4rem;
  color: var(--fg-muted);
  font-family: var(--font-display);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

/* Responsive */
@media (max-width: 768px) {
  .site-header { padding: 1rem 1.5rem; }
  .header-inner { flex-direction: column; gap: 0.75rem; }
  .main-nav { flex-wrap: wrap; justify-content: center; gap: 1rem; }
  .post-header { padding: 3rem 1.5rem 2rem; }
  .post-content { padding: 2rem 1.5rem; }
}