/* ==========================================================================
   Navigation Styles — Retro-Editorial Sticky Navbar
   ========================================================================== */

.site-nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  width: 100%;
  z-index: 1000;
  background-color: rgba(250, 248, 245, 0.96);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border-bottom: 2px solid var(--border-dark);
  height: var(--nav-height);
  display: flex;
  align-items: center;
}

.nav-inner {
  max-width: var(--max-width-wide);
  width: 100%;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

/* Brand Wordmark */
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.35rem;
  letter-spacing: -0.03em;
  color: var(--text-primary);
  text-decoration: none;
}

.brand-pixel-icon {
  width: 24px;
  height: 24px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--border-dark);
  color: #fff;
  border: 1px solid var(--border-dark);
  box-shadow: 2px 2px 0px var(--accent-orange);
}

.brand-wordmark {
  letter-spacing: -0.02em;
  color: var(--text-primary);
}

/* Navigation Links */
.nav-links {
  display: flex;
  align-items: center;
  gap: 8px;
}

.nav-links a {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--text-secondary);
  padding: 6px 12px;
  border: 1px solid transparent;
  transition: all 0.15s ease;
  position: relative;
}

.nav-links a:hover {
  color: var(--text-primary);
  background: var(--bg-surface);
  border-color: var(--border-dark);
  box-shadow: 2px 2px 0px var(--border-dark);
  transform: translate(-1px, -1px);
}

.nav-links a[aria-current="location"] {
  color: var(--text-primary);
  background: var(--bg-surface);
  border-color: var(--border-dark);
  box-shadow: 2px 2px 0px var(--accent-orange);
  font-weight: 700;
}

.nav-paper {
  background: var(--bg-surface) !important;
  color: var(--accent-orange) !important;
  border: 1px solid var(--border-dark) !important;
  box-shadow: 2px 2px 0px var(--border-dark) !important;
  font-weight: 700 !important;
}

.nav-paper:hover {
  background: var(--accent-orange) !important;
  color: #fff !important;
}

/* Mobile Nav Toggle */
.mobile-nav-toggle {
  display: none;
  background: var(--bg-surface);
  border: 2px solid var(--border-dark);
  box-shadow: 2px 2px 0px var(--border-dark);
  padding: 6px 10px;
  font-family: var(--font-mono);
  font-size: 0.875rem;
  font-weight: 700;
  cursor: pointer;
}

@media (max-width: 840px) {
  .nav-links a.optional {
    display: none;
  }
}

@media (max-width: 600px) {
  .site-nav {
    height: auto;
    padding: 12px 0;
  }
  .nav-inner {
    flex-wrap: wrap;
    gap: 12px;
  }
  .nav-links {
    width: 100%;
    overflow-x: auto;
    padding-bottom: 4px;
    justify-content: flex-start;
    -webkit-overflow-scrolling: touch;
  }
  .nav-links a {
    white-space: nowrap;
    padding: 4px 8px;
    font-size: 0.75rem;
  }
}