/* Header Styles - Leveraging Pico CSS */

.main-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0.75rem 1.5rem;
  background: color-mix(in srgb, var(--pico-background-color) 95%, transparent);
  border-bottom: 1px solid var(--pico-muted-border-color);
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  gap: 1.5rem;
}

/* Brand/Logo Section */
.brand {
  display: flex;
  align-items: center;
}

.logo-link {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  text-decoration: none;
  transition: all var(--pico-transition);
}

.logo-link:hover .logo-icon {
  transform: scale(1.05);
}

.logo-icon {
  width: 32px;
  height: 32px;
  border-radius: 6px;
  transition: transform var(--pico-transition);
}

.brand-name {
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--pico-color);
  text-decoration: none;
}


/* Mobile Menu Toggle - Hidden since we only have 2 nav items */
.nav-toggle {
  display: none;
}

/* Navigation Menu */
.nav-menu {
  display: flex;
  align-items: center;
  gap: 3rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.nav-menu li {
  list-style: none;
  position: relative;
}

.nav-menu li::before,
.nav-menu li::after {
  display: none;
}

.nav-menu a {
  color: var(--pico-color);
  text-decoration: none;
  font-weight: 500;
  padding: 0.5rem 1rem;
  border-radius: 0.5rem;
  transition: all var(--pico-transition);
  position: relative;
}

.nav-menu a:hover {
  color: var(--pico-primary);
  background: var(--pico-primary-focus);
  text-decoration: none;
}

.nav-menu a:focus {
  outline: 2px solid var(--pico-primary);
  outline-offset: 2px;
}

/* Active state for current section */
.nav-menu a.active {
  color: var(--pico-primary);
  background: var(--pico-primary-focus);
}



/* Responsive Design */

/* Tablet and smaller - 768px and below */
@media (max-width: 768px) {
  .main-header {
    padding: 0.5rem 1rem;
    gap: 1rem;
  }
  
  .logo-icon {
    width: 28px;
    height: 28px;
  }
  
  .brand-name {
    font-size: 1rem;
  }
  
  .nav-menu {
    gap: 1.5rem;
  }
  
  .nav-menu a {
    padding: 0.25rem 0.5rem;
    font-size: 0.9rem;
  }
}

/* Mobile - 576px and below */
@media (max-width: 576px) {
  .main-header {
    padding: 0.5rem 1rem;
    gap: 1rem;
  }
  
  .nav-menu {
    gap: 2rem;
  }
  
  .nav-menu a {
    padding: 0.375rem 0.75rem;
    font-size: 0.9rem;
  }
  
  .logo-icon {
    width: 24px;
    height: 24px;
  }
  
  .brand-name {
    font-size: 0.9rem;
  }
  
  /* Hide toggle on mobile since we only have 2 items */
  .nav-toggle {
    display: none;
  }
}

/* Extra small screens - 479px and below */
@media (max-width: 479px) {
  .main-header {
    padding: 0.375rem 0.75rem;
    gap: 0.75rem;
  }
  
  .nav-menu {
    gap: 1.5rem;
  }
  
  .nav-menu a {
    padding: 0.25rem 0.5rem;
    font-size: 0.85rem;
  }
}

/* Focus and Accessibility */
.logo-link:focus {
  outline: 2px solid var(--pico-primary);
  outline-offset: 2px;
  border-radius: 0.25rem;
}

.nav-toggle:focus {
  outline: 2px solid var(--pico-primary);
  outline-offset: 2px;
}

/* High contrast mode support */
@media (prefers-contrast: high) {
  .main-header {
    border-bottom-width: 2px;
  }
  
  .nav-menu a {
    border: 1px solid transparent;
  }
  
  .nav-menu a:hover,
  .nav-menu a:focus {
    border-color: var(--pico-primary);
  }
}

/* Reduced motion support */
@media (prefers-reduced-motion: reduce) {
  .logo-link,
  .logo-icon,
  .nav-menu a,
  .nav-toggle span {
    transition: none;
  }
}

/* Dark mode support (if Pico CSS theme is switched) */
[data-theme="dark"] .main-header {
  background: color-mix(in srgb, var(--pico-background-color) 95%, transparent);
}

/* Print styles */
@media print {
  .main-header {
    position: static;
    background: white;
    border-bottom: 1px solid #000;
    backdrop-filter: none;
  }
  
  .nav-toggle {
    display: none;
  }
}