:root {
  --bg: #FAF8F5;
  --bg-warm: #F5F1EB;
  --text: #2A2520;
  --text-secondary: #6B6560;
  --accent: #2B5C8A;
  --accent-light: #D6E4F0;
  --accent-warm: #C4956A;
  --rule: #D5CFCA;
  --card-bg: #FFFFFF;
  --serif: 'Libre Baskerville', Georgia, serif;
  --sans: 'DM Sans', -apple-system, sans-serif;
  --mono: 'JetBrains Mono', monospace;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--sans);
  color: var(--text);
  background: var(--bg);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

.top-nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(250, 248, 245, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--rule);
  padding: 0 40px;
}
.top-nav-inner {
  max-width: 900px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 52px;
}
.top-nav-name {
  font-family: var(--serif);
  font-size: 15px;
  font-weight: 700;
  color: var(--text);
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 10px;
}
.top-nav-avatar {
  width: 30px;
  height: 30px;
  border-radius: 50%;
  object-fit: cover;
  border: 1.5px solid var(--rule);
}
.top-nav-links {
  display: flex;
  gap: 24px;
  align-items: center;
}
.top-nav-links a {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 1px;
  text-transform: uppercase;
  text-decoration: none;
  color: var(--text-secondary);
  transition: color 0.2s;
}
.top-nav-links a:hover { color: var(--accent); }
.top-nav-links a.active { color: var(--accent); }
.top-nav-contact {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 1px;
  text-transform: uppercase;
  text-decoration: none;
  color: var(--card-bg) !important;
  background: var(--accent);
  padding: 6px 14px;
  border-radius: 4px;
  transition: opacity 0.2s;
}
.top-nav-contact:hover { opacity: 0.85; }

@media (max-width: 600px) {
  .top-nav { padding: 0 16px; }
  .top-nav-links a:not(.top-nav-contact) { display: none; }
}