/* Modern Navigation System */

.navbar {
  background: rgba(12, 12, 15, 0.95) !important;
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  border-bottom: 1px solid rgba(0, 255, 136, 0.1);
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.3);
  transition: all 0.25s ease;
  padding: 0.875rem 0;
  z-index: 1000;
  position: fixed !important;
  top: 0;
  left: 0;
  right: 0;
  width: 100%;
}

.navbar.scrolled {
  background: rgba(12, 12, 15, 0.98) !important;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.4);
  border-bottom-color: rgba(0, 255, 136, 0.15);
}

.navbar .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: 1200px;
  padding-left: 1.5rem;
  padding-right: 1.5rem;
}

.navbar-brand {
  font-family: 'JetBrains Mono', 'Courier New', monospace;
  font-weight: 700;
  font-size: 1rem;
  letter-spacing: 0.05em;
  color: #00ff88 !important;
  padding: 0.5rem 0;
  margin: 0;
  transition: all 0.2s ease;
  text-shadow: 0 0 15px rgba(0, 255, 136, 0.3);
  text-decoration: none;
  display: inline-block;
}

.navbar-brand:hover {
  color: #ffffff !important;
  text-shadow: 0 0 25px rgba(0, 255, 136, 0.5);
  transform: translateX(2px);
}

@media (min-width: 992px) {
  .navbar-toggler {
    display: none !important;
  }

  .navbar-collapse {
    display: flex !important;
    align-items: center;
    opacity: 1 !important;
    visibility: visible !important;
    flex-basis: auto !important;
    flex-grow: 1 !important;
    position: static !important;
    width: auto !important;
    max-height: none !important;
    overflow: visible !important;
    background: none !important;
    box-shadow: none !important;
    border: none !important;
  }

  .navbar-collapse-header {
    display: none !important;
  }

  .navbar-nav {
    display: flex !important;
    flex-direction: row !important;
    align-items: center;
    gap: 0.25rem;
    list-style: none;
    margin: 0;
    padding: 0;
    margin-left: auto !important;
  }

  .nav-item {
    margin: 0;
    padding: 0;
  }

  .nav-link {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    font-weight: 500;
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.75) !important;
    padding: 0.5rem 1rem !important;
    border-radius: 6px;
    transition: all 0.2s ease;
    text-decoration: none;
    display: inline-block;
    position: relative;
  }

  .nav-link::before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, #00ff88, #00d9ff);
    transform: translateX(-50%);
    transition: width 0.2s ease;
  }

  .nav-link:hover {
    color: #ffffff !important;
  }

  .nav-link:hover::before {
    width: 60%;
  }

  .nav-link.active,
  .nav-item.active .nav-link {
    color: #00ff88 !important;
  }

  .nav-link.active::before {
    width: 60%;
  }
}

@media (max-width: 991.98px) {
  .navbar {
    padding: 0.75rem 0;
  }

  .navbar .container {
    padding-left: 1rem;
    padding-right: 1rem;
  }

  .navbar-toggler {
    border: none !important;
    background: rgba(0, 255, 136, 0.08) !important;
    border-radius: 8px;
    padding: 0;
    width: 44px;
    height: 44px;
    display: flex !important;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 5px;
    cursor: pointer;
    transition: all 0.2s ease;
    position: relative;
  }

  .navbar-toggler:hover {
    background: rgba(0, 255, 136, 0.15) !important;
  }

  .navbar-toggler:focus {
    outline: 2px solid rgba(0, 255, 136, 0.5);
    outline-offset: 2px;
  }

  .navbar-toggler-bar {
    display: block;
    width: 22px;
    height: 2px;
    background: #00ff88 !important;
    border-radius: 2px;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
  }

  .navbar-toggler[aria-expanded="true"] {
    gap: 0;
  }

  .navbar-toggler[aria-expanded="true"] .navbar-toggler-bar {
    position: absolute;
    top: 50%;
    left: 50%;
    margin-top: -1px;
    margin-left: -11px;
  }

  .navbar-toggler[aria-expanded="true"] .navbar-toggler-bar.bar1 {
    transform: rotate(45deg);
  }

  .navbar-toggler[aria-expanded="true"] .navbar-toggler-bar.bar2 {
    opacity: 0;
    transform: scale(0);
  }

  .navbar-toggler[aria-expanded="true"] .navbar-toggler-bar.bar3 {
    transform: rotate(-45deg);
  }

  .navbar-collapse {
    position: fixed !important;
    top: 60px !important;
    left: 0 !important;
    right: 0 !important;
    background: rgba(12, 12, 15, 0.98) !important;
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(0, 255, 136, 0.1);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
    z-index: 999;
    width: 100% !important;
    display: block !important;
    -webkit-overflow-scrolling: touch;
    max-height: none !important;
    height: auto !important;
  }

  .navbar-collapse:not(.show) {
    display: none !important;
  }

  .navbar-collapse.show {
    display: block !important;
    max-height: calc(100vh - 60px);
    overflow-y: auto;
    overflow-x: hidden;
  }

  .navbar-collapse.collapsing {
    overflow: hidden;
    transition: height 0.35s ease;
  }

  .navbar-collapse-header {
    display: none !important;
  }

  .navbar-nav {
    display: flex !important;
    flex-direction: column !important;
    padding: 1.5rem 1rem 2rem 1rem;
    gap: 0.625rem;
    list-style: none;
    margin: 0;
    width: 100% !important;
    min-height: min-content;
  }

  .nav-item {
    width: 100%;
    display: block !important;
  }

  .nav-link {
    font-family: 'JetBrains Mono', 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    font-weight: 500;
    font-size: 1.05rem;
    color: rgba(255, 255, 255, 0.9) !important;
    padding: 1rem 1.25rem !important;
    border-radius: 10px;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.04) 0%, rgba(255, 255, 255, 0.02) 100%);
    border: 1px solid rgba(0, 255, 136, 0.15);
    transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    text-decoration: none;
    display: flex !important;
    align-items: center;
    justify-content: space-between;
    min-height: 54px;
    width: 100%;
    position: relative;
    overflow: hidden;
  }

  .nav-link::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 3px;
    background: linear-gradient(180deg, #00ff88, #00d9ff);
    opacity: 0;
    transition: opacity 0.25s ease;
  }

  .nav-link::after {
    content: '→';
    font-size: 1.2rem;
    color: rgba(0, 255, 136, 0.5);
    transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    flex-shrink: 0;
  }

  .nav-link:hover,
  .nav-link:active {
    background: linear-gradient(135deg, rgba(0, 255, 136, 0.12) 0%, rgba(0, 217, 255, 0.08) 100%);
    border-color: rgba(0, 255, 136, 0.4);
    color: #ffffff !important;
    transform: translateX(6px);
    box-shadow: 0 4px 12px rgba(0, 255, 136, 0.15);
  }

  .nav-link:hover::before {
    opacity: 1;
  }

  .nav-link:hover::after {
    color: #00ff88;
    transform: translateX(6px);
  }

  .nav-link.active,
  .nav-item.active .nav-link {
    background: linear-gradient(135deg, rgba(0, 255, 136, 0.18) 0%, rgba(0, 217, 255, 0.12) 100%);
    border-color: rgba(0, 255, 136, 0.5);
    color: #00ff88 !important;
    box-shadow: 0 4px 16px rgba(0, 255, 136, 0.2), inset 0 1px 0 rgba(255, 255, 255, 0.1);
  }

  .nav-link.active::before {
    opacity: 1;
  }

  .nav-link.active::after {
    color: #00ff88;
  }

  .navbar-brand {
    font-size: 0.9rem;
  }

  .navbar-collapse.show .nav-item {
    animation: slideInFromLeft 0.3s ease-out backwards;
  }

  .navbar-collapse.show .nav-item:nth-child(1) {
    animation-delay: 0.05s;
  }

  .navbar-collapse.show .nav-item:nth-child(2) {
    animation-delay: 0.1s;
  }

  .navbar-collapse.show .nav-item:nth-child(3) {
    animation-delay: 0.15s;
  }

  .navbar-collapse.show .nav-item:nth-child(4) {
    animation-delay: 0.2s;
  }

  @keyframes slideInFromLeft {
    from {
      opacity: 0;
      transform: translateX(-20px);
    }
    to {
      opacity: 1;
      transform: translateX(0);
    }
  }
}

@media (max-width: 575.98px) {
  .navbar {
    padding: 0.625rem 0;
  }

  .navbar .container {
    padding-left: 0.875rem;
    padding-right: 0.875rem;
  }

  .navbar-brand {
    font-size: 0.8rem;
    letter-spacing: 0.03em;
  }

  .navbar-toggler {
    width: 36px;
    height: 36px;
    gap: 4px;
  }

  .navbar-toggler-bar {
    width: 18px;
  }

  .navbar-toggler[aria-expanded="true"] .navbar-toggler-bar {
    margin-left: -9px;
  }

  .navbar-collapse {
    top: 56px !important;
  }

  .navbar-collapse.show {
    max-height: calc(100vh - 56px);
  }

  .navbar-nav {
    padding: 0.875rem;
    gap: 0.4rem;
  }

  .nav-link {
    font-size: 0.95rem;
    padding: 0.75rem 0.875rem !important;
    min-height: 44px;
  }

  .nav-link::after {
    font-size: 1rem;
  }
}

@media (min-width: 768px) and (max-width: 991.98px) {
  .navbar-collapse {
    max-width: 500px;
    left: auto !important;
    right: 1rem !important;
    border-radius: 12px;
  }

  .navbar-nav {
    padding: 1.25rem;
  }

  .nav-link {
    font-size: 1.05rem;
  }
}

@media (min-width: 1400px) {
  .navbar .container {
    max-width: 1320px;
  }

  .nav-link {
    font-size: 0.95rem;
    padding: 0.6rem 1.2rem !important;
  }
}

@media (min-width: 1920px) {
  .navbar .container {
    max-width: 1600px;
  }
}

.navbar-toggler:focus-visible {
  outline: 2px solid #00ff88;
  outline-offset: 3px;
}

.nav-link:focus-visible {
  outline: 2px solid #00ff88;
  outline-offset: 2px;
}

.navbar-brand:focus-visible {
  outline: 2px solid #00ff88;
  outline-offset: 3px;
}

@media (pointer: coarse) {
  .nav-link {
    min-height: 48px;
  }

  .navbar-toggler {
    min-width: 44px;
    min-height: 44px;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

html {
  scroll-behavior: smooth;
}

body.mobile-menu-open {
  overflow: hidden;
}

.navbar,
.navbar-collapse,
.nav-link,
.navbar-toggler-bar {
  will-change: transform;
  transform: translateZ(0);
  backface-visibility: hidden;
}

@media print {
  .navbar {
    position: static;
    background: transparent !important;
    box-shadow: none;
    border: none;
  }

  .navbar-toggler,
  .navbar-collapse {
    display: none !important;
  }
}

@media (max-width: 991.98px) {
  .navbar .navbar-collapse.show,
  .navbar .navbar-collapse.collapsing {
    position: fixed !important;
    top: 60px !important;
    left: 0 !important;
    right: 0 !important;
    width: 100% !important;
    height: auto !important;
  }

  .navbar .navbar-nav li {
    display: block !important;
    width: 100% !important;
    opacity: 1 !important;
    visibility: visible !important;
    position: relative !important;
  }

  .navbar .navbar-nav .nav-link {
    display: flex !important;
    opacity: 1 !important;
    visibility: visible !important;
  }
}

@media (min-width: 992px) {
  .navbar-expand-lg .navbar-collapse {
    display: flex !important;
    flex-basis: auto !important;
    justify-content: flex-end !important;
  }

  .navbar-expand-lg .navbar-nav {
    flex-direction: row !important;
  }

  .navbar-expand-lg .navbar-toggler {
    display: none !important;
  }
}

.navbar {
  z-index: 1040 !important;
}

.navbar-collapse {
  z-index: 1039 !important;
}

@media (max-width: 375px) {
  .navbar-brand {
    font-size: 0.75rem;
    letter-spacing: 0.02em;
  }

  .navbar .container {
    padding-left: 0.75rem;
    padding-right: 0.75rem;
  }

  .navbar-toggler {
    width: 34px;
    height: 34px;
    gap: 4px;
  }

  .navbar-toggler-bar {
    width: 16px;
  }

  .navbar-toggler[aria-expanded="true"] .navbar-toggler-bar {
    margin-left: -8px;
  }
}

@media (max-width: 991.98px) and (orientation: landscape) {
  .navbar-collapse {
    top: 56px !important;
  }

  .navbar-collapse.show {
    max-height: calc(100vh - 56px);
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
  }

  .navbar-nav {
    padding: 0.75rem 1rem 1.5rem 1rem;
  }

  .nav-link {
    padding: 0.625rem 0.875rem !important;
    min-height: 40px;
  }
}

@supports (padding: max(0px)) {
  .navbar .container {
    padding-left: max(1.5rem, env(safe-area-inset-left));
    padding-right: max(1.5rem, env(safe-area-inset-right));
  }

  @media (max-width: 991.98px) {
    .navbar .container {
      padding-left: max(1rem, env(safe-area-inset-left));
      padding-right: max(1rem, env(safe-area-inset-right));
    }

    .navbar-collapse {
      left: env(safe-area-inset-left, 0) !important;
      right: env(safe-area-inset-right, 0) !important;
    }
  }
}

@supports (-webkit-touch-callout: none) {
  .navbar-toggler {
    -webkit-tap-highlight-color: transparent;
  }

  .navbar-toggler-bar {
    -webkit-transform-origin: center center;
    transform-origin: center center;
  }

  .navbar-toggler[aria-expanded="true"] .navbar-toggler-bar {
    -webkit-backface-visibility: hidden;
    backface-visibility: hidden;
  }
}