/* Clean Mobile Navigation Solution */
/* ================================= */

@media screen and (max-width: 991px) {
  
  /* Ensure sidebar starts closed on mobile */
  header.desktop-header-1:not(.open) {
    transform: translate3d(-290px, 0, 0) !important;
    -webkit-transform: translate3d(-290px, 0, 0) !important;
  }
  
  /* 1. Premium floating header bar */
  header.mobile-header-1 {
    position: fixed;
    top: 8px;
    left: 8px;
    right: 8px;
    z-index: 9999; /* Increased to ensure it's always on top of sidebar */
    background: rgba(249, 249, 255, 0.95);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    box-shadow: 
      0 0 0 1px rgba(139, 92, 246, 0.05),
      0 2px 8px -2px rgba(139, 92, 246, 0.12),
      0 12px 24px -8px rgba(0, 0, 0, 0.08),
      0 16px 48px -12px rgba(139, 92, 246, 0.06);
    border-radius: 16px;
    padding: 8px;
    padding-top: calc(8px + env(safe-area-inset-top));
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    display: block !important;
    border: 1px solid rgba(139, 92, 246, 0.08);
  }
  
  /* Subtle gradient border effect */
  header.mobile-header-1::before {
    content: '';
    position: absolute;
    inset: -1px;
    border-radius: 16px;
    padding: 1px;
    background: linear-gradient(135deg, 
      rgba(139, 92, 246, 0.2),
      rgba(139, 92, 246, 0.05),
      rgba(255, 76, 96, 0.05),
      rgba(139, 92, 246, 0.1)
    );
    -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
    opacity: 0.5;
    pointer-events: none;
  }

  /* Dark mode header */
  [data-theme="dark"] header.mobile-header-1 {
    background: rgba(22, 22, 31, 0.95);
    box-shadow: 
      0 0 0 1px rgba(139, 92, 246, 0.1),
      0 2px 8px -2px rgba(139, 92, 246, 0.2),
      0 12px 24px -8px rgba(139, 92, 246, 0.12),
      0 16px 48px -12px rgba(139, 92, 246, 0.08),
      inset 0 1px 0 0 rgba(139, 92, 246, 0.05);
    border: 1px solid rgba(139, 92, 246, 0.15);
  }
  
  [data-theme="dark"] header.mobile-header-1::before {
    background: linear-gradient(135deg, 
      rgba(139, 92, 246, 0.3),
      rgba(108, 108, 229, 0.1),
      rgba(255, 76, 96, 0.1),
      rgba(139, 92, 246, 0.2)
    );
    opacity: 0.7;
  }

  /* Header container with brand */
  header.mobile-header-1 .container {
    padding: 0 8px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 52px;
    gap: 12px;
    position: relative;
  }
  
  /* Add brand name in center */
  header.mobile-header-1 .container::after {
    content: 'Szymon Ruciński';
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    font-size: 16px;
    font-weight: 600;
    color: #353353;
    letter-spacing: -0.3px;
    pointer-events: none;
    opacity: 0.9;
    font-family: "Rubik", sans-serif;
  }
  
  [data-theme="dark"] header.mobile-header-1 .container::after {
    color: #e4e4e9;
    opacity: 0.95;
  }

  /* 2. Modern Hamburger Menu Button */
  .menu-icon {
    margin-right: 0 !important;
    position: relative;
  }
  
  .menu-icon button {
    width: 48px; /* iOS recommended minimum touch target */
    height: 48px; /* iOS recommended minimum touch target */
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.5);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(139, 92, 246, 0.1);
    border-radius: 12px;
    cursor: pointer;
    -webkit-tap-highlight-color: transparent;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
    box-shadow: 
      0 1px 3px rgba(139, 92, 246, 0.08),
      inset 0 1px 2px rgba(255, 255, 255, 0.8);
  }

  /* Enhanced hover effect */
  .menu-icon button:hover {
    background: rgba(255, 255, 255, 0.8);
    transform: translateY(-1px) scale(1.02);
    box-shadow: 
      0 4px 8px rgba(139, 92, 246, 0.15),
      0 8px 24px rgba(139, 92, 246, 0.1),
      inset 0 1px 3px rgba(255, 255, 255, 0.9);
    border-color: rgba(139, 92, 246, 0.2);
  }

  /* Active/tap state */
  .menu-icon button:active {
    transform: scale(0.95);
  }

  /* Dark mode button style */
  [data-theme="dark"] .menu-icon button {
    background: rgba(40, 40, 56, 0.6);
    border: 1px solid rgba(139, 92, 246, 0.2);
    box-shadow: 
      0 1px 3px rgba(139, 92, 246, 0.1),
      inset 0 1px 0 rgba(139, 92, 246, 0.1);
  }

  [data-theme="dark"] .menu-icon button:hover {
    background: rgba(50, 50, 70, 0.8);
    box-shadow: 
      0 4px 12px rgba(139, 92, 246, 0.25),
      0 8px 24px rgba(139, 92, 246, 0.15),
      inset 0 1px 0 rgba(139, 92, 246, 0.2);
    border-color: rgba(139, 92, 246, 0.4);
  }

  /* Removed purple ripple effect */

  /* Hamburger lines with purple accent */
  .menu-icon span {
    width: 18px;
    height: 2px;
    background: linear-gradient(90deg, #8b5cf6, #7c3aed);
    display: block;
    position: relative;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    border-radius: 2px;
    box-shadow: 0 1px 2px rgba(139, 92, 246, 0.2);
  }

  [data-theme="dark"] .menu-icon span {
    background: linear-gradient(90deg, #a78bfa, #c084fc);
    box-shadow: 0 0 4px rgba(167, 139, 250, 0.3);
  }

  /* Hamburger lines */
  .menu-icon span:before,
  .menu-icon span:after {
    content: '';
    position: absolute;
    width: 18px;
    height: 2px;
    background: linear-gradient(90deg, #8b5cf6, #7c3aed);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    border-radius: 2px;
    box-shadow: 0 1px 2px rgba(139, 92, 246, 0.2);
  }

  [data-theme="dark"] .menu-icon span:before,
  [data-theme="dark"] .menu-icon span:after {
    background: linear-gradient(90deg, #a78bfa, #c084fc);
    box-shadow: 0 0 4px rgba(167, 139, 250, 0.3);
  }

  .menu-icon span:before { 
    top: -6px;
    width: 14px; /* Shorter top line for modern look */
    left: 2px;
  }
  
  .menu-icon span:after { 
    top: 6px;
    width: 14px; /* Shorter bottom line for modern look */
    left: 2px;
  }

  /* Hover effect - expand lines */
  .menu-icon button:hover span:before,
  .menu-icon button:hover span:after {
    width: 20px;
    left: 0;
  }

  /* Animate to X when open */
  .menu-open .menu-icon span {
    background: transparent;
  }

  .menu-open .menu-icon span:before {
    top: 0;
    width: 20px;
    left: 0;
    transform: rotate(45deg);
    background: #ff4c60; /* Red X for close */
  }

  .menu-open .menu-icon span:after {
    top: 0;
    width: 20px;
    left: 0;
    transform: rotate(-45deg);
    background: #ff4c60; /* Red X for close */
  }

  [data-theme="dark"] .menu-open .menu-icon span:before,
  [data-theme="dark"] .menu-open .menu-icon span:after {
    background: linear-gradient(45deg, #ff4c60, #ff6b7d);
  }

  /* Subtle rotation on open */
  .menu-open .menu-icon button {
    transform: rotate(90deg);
    background: linear-gradient(135deg, rgba(255, 76, 96, 0.2), rgba(255, 76, 96, 0.1));
  }

  .menu-open .menu-icon button:hover {
    transform: rotate(90deg) scale(1.05);
  }

  /* 3. Hide logo - not needed */
  header.mobile-header-1 .site-logo {
    display: none;
  }

  /* 4. Mobile theme toggle - Removed (now handled in sidebar) */

  /* 5. Side navigation menu */
  header.desktop-header-1 {
    position: fixed;
    top: 0;
    left: 0;
    width: 290px;
    height: 100vh;
    z-index: 1000;
    transform: translate3d(-290px, 0, 0); /* Hardware acceleration for iOS */
    -webkit-transform: translate3d(-290px, 0, 0);
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    -webkit-transition: -webkit-transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    will-change: transform;
    display: block !important; /* Ensure it's not hidden */
  }

  header.desktop-header-1.open {
    transform: translate3d(0, 0, 0) !important;
    -webkit-transform: translate3d(0, 0, 0) !important;
  }

  /* 6. Main content shift */
  main.content {
    margin-left: 0 !important;
    padding-top: 60px;
    padding-top: calc(60px + env(safe-area-inset-top));
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  }

  main.content.open {
    transform: translateX(290px);
  }

  /* 7. Mobile header shift with menu */
  header.mobile-header-1.open {
    transform: translateX(290px);
  }

  /* 8. Menu overlay */
  .menu-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    /* Removed blur effect to prevent screen blurring issue */
    z-index: 999;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease, visibility 0.3s ease;
  }

  .menu-overlay.active {
    opacity: 1;
    visibility: visible;
  }

  [data-theme="dark"] .menu-overlay {
    background: rgba(0, 0, 0, 0.7);
  }

  /* 9. Scroll effects and auto-hide */
  header.mobile-header-1.scrolled {
    top: 4px;
    left: 4px;
    right: 4px;
    box-shadow: 
      0 0 0 1px rgba(139, 92, 246, 0.08),
      0 4px 12px -2px rgba(139, 92, 246, 0.18),
      0 16px 32px -8px rgba(0, 0, 0, 0.12),
      0 24px 48px -12px rgba(139, 92, 246, 0.1);
    background: rgba(249, 249, 255, 0.98);
  }
  
  [data-theme="dark"] header.mobile-header-1.scrolled {
    box-shadow: 
      0 0 0 1px rgba(139, 92, 246, 0.12),
      0 4px 12px -2px rgba(139, 92, 246, 0.25),
      0 16px 32px -8px rgba(139, 92, 246, 0.15),
      0 24px 48px -12px rgba(139, 92, 246, 0.12);
    background: rgba(22, 22, 31, 0.98);
  }
  
  header.mobile-header-1.scrolled .container::after {
    opacity: 0.6;
    font-size: 14px;
  }
  
  header.mobile-header-1.hide-header {
    transform: translateY(calc(-100% - 16px));
  }

  header.mobile-header-1.open.hide-header {
    transform: translateX(290px) translateY(0);
  }

  /* 10. Home section adjustment */
  section.home {
    padding: 80px 0 80px 0 !important;
    min-height: 100vh;
  }

  /* 11. Swipe indicator */
  .swipe-indicator {
    position: fixed;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 3px;
    height: 60px;
    background: linear-gradient(
      to bottom,
      transparent,
      rgba(139, 92, 246, 0.5),
      transparent
    );
    border-radius: 0 3px 3px 0;
    z-index: 1002;
    opacity: 0;
    animation: pulse 2s ease-in-out infinite;
    pointer-events: none;
  }

  @keyframes pulse {
    0%, 100% { opacity: 0; }
    50% { opacity: 0.8; }
  }

  .swipe-indicator.hide {
    display: none;
  }

  /* Landscape adjustments */
  @media (orientation: landscape) {
    header.mobile-header-1 .container {
      height: 36px;
    }
    
    main.content {
      padding-top: 48px;
      padding-top: calc(48px + env(safe-area-inset-top));
    }
    
    section.home {
      padding: 60px 0 60px 0 !important;
    }
  }
}

/* Smooth iOS support */
@supports (-webkit-touch-callout: none) {
  @media screen and (max-width: 991px) {
    header.desktop-header-1,
    main.content,
    header.mobile-header-1 {
      -webkit-transform: translate3d(0, 0, 0);
      -webkit-backface-visibility: hidden;
    }
  }
}

/* Reduced motion support */
@media (prefers-reduced-motion: reduce) {
  header.desktop-header-1,
  main.content,
  header.mobile-header-1,
  .menu-overlay {
    transition-duration: 0.01ms !important;
  }
  
  @keyframes pulse {
    0%, 100% { opacity: 0.4; }
  }
}