/* ════════════════════════════════════════════════════════════════════════
   SITE-WIDE TOP NAV BAR — LinkedIn-style horizontal nav
   Used on every page across imran.theamanuensis.com.
   ════════════════════════════════════════════════════════════════════════ */

.site-nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: #1d2226;
  border-bottom: 1px solid rgba(255, 255, 255, 0.10);
  padding: 0;
  height: 52px;
  display: flex;
  align-items: center;
}

.site-nav-inner {
  max-width: 1128px;
  width: 100%;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  gap: 24px;
}

.site-nav-brand {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 18px;
  font-weight: 700;
  color: rgba(255, 255, 255, 0.95);
  text-decoration: none;
  letter-spacing: -0.5px;
}

.site-nav-brand-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border-radius: 4px;
  background: linear-gradient(135deg, #06b6d4 0%, #4f46e5 100%);
  color: #fff;
  font-size: 14px;
  font-weight: 800;
}

.site-nav-search {
  flex: 1;
  max-width: 320px;
  position: relative;
}

.site-nav-search input {
  width: 100%;
  padding: 8px 14px 8px 36px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 4px;
  color: rgba(255, 255, 255, 0.92);
  font-size: 13px;
  outline: none;
}

.site-nav-search input::placeholder {
  color: rgba(255, 255, 255, 0.45);
}

.site-nav-search input:focus {
  border-color: #70b5f9;
  background: rgba(255, 255, 255, 0.08);
}

.site-nav-search-icon {
  position: absolute;
  left: 12px;
  top: 50%;
  transform: translateY(-50%);
  width: 14px;
  height: 14px;
  color: rgba(255, 255, 255, 0.45);
  pointer-events: none;
}

.site-nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
  margin-left: auto;
}

.site-nav-link {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
  padding: 6px 12px;
  color: rgba(255, 255, 255, 0.62);
  text-decoration: none;
  font-size: 12px;
  font-weight: 400;
  border-bottom: 2px solid transparent;
  transition: color 0.15s ease;
  position: relative;
  top: 1px;
}

.site-nav-link:hover {
  color: rgba(255, 255, 255, 0.92);
}

.site-nav-link.active {
  color: rgba(255, 255, 255, 0.95);
  border-bottom-color: rgba(255, 255, 255, 0.95);
}

.site-nav-link-icon {
  font-size: 18px;
  line-height: 1;
}

.site-nav-link-label {
  font-size: 11px;
}

@media (max-width: 768px) {
  .site-nav-search { display: none; }
  .site-nav-link-label { display: none; }
  .site-nav-link { padding: 6px 8px; }
  .site-nav-inner { gap: 12px; }
}

/* Adjust page-container top padding so the sticky nav doesn't cover content */
body { padding-top: 0; }
.page-container { padding-top: 24px; }

/* Helper: main content area spanning 2 of 3 grid columns in .layout-3col */
.layout-3col > .layout-main {
  grid-column: 1 / 3;
}

@media (max-width: 1200px) {
  .layout-3col > .layout-main {
    grid-column: 1 / -1;
  }
}

/* Override the legacy .books-nav so it doesn't collide with .site-nav */
.books-nav { display: none; }