:root {
  --brand-dark: #1a1a2e;
  --text-muted-soft: #6c757d;
}

body {
  background-color: #f8f9fa;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  color: #212529;
}

/* Navbar */
.navbar.bg-dark {
  background-color: var(--brand-dark) !important;
}

.brand {
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: #fff !important;
}

.brand-tagline {
  display: inline-block;
  font-size: 0.65rem;
  font-weight: 400;
  color: rgba(255,255,255,0.45);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-left: 0.5rem;
  vertical-align: middle;
}

.navbar .nav-link {
  font-size: 0.9rem;
  font-weight: 500;
  color: rgba(255,255,255,0.7) !important;
  padding-left: 1rem !important;
  padding-right: 1rem !important;
  transition: color 0.15s;
}

.navbar .nav-link:hover,
.navbar .nav-link.active {
  color: #fff !important;
}

/* Main content */
.site-main {
  padding-top: 2.5rem;
  padding-bottom: 3rem;
  min-height: calc(100vh - 60px);
}

/* Hero */
.hero {
  border-bottom: 1px solid #e9ecef;
}

/* Cards */
.card {
  border: 1px solid rgba(0,0,0,0.07);
  border-radius: 0.5rem;
}

.card.shadow-sm {
  box-shadow: 0 2px 8px rgba(0,0,0,0.06) !important;
}

/* Alerts (flash messages) */
.alert {
  border-radius: 0.5rem;
  font-size: 0.9rem;
}

/* Post/article cards */
article.card:hover {
  box-shadow: 0 4px 16px rgba(0,0,0,0.1) !important;
  transition: box-shadow 0.2s;
}