/* Modern Navbar Toggler Styles for NEBASON */

/* Enhanced Navbar Toggler Button */
.navbar-toggler {
    position: relative;
    width: 50px;
    height: 50px;
    border: none;
    background: linear-gradient(135deg, #0d6efd 0%, #6c5ce7 100%);
    border-radius: 12px;
    padding: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 4px 15px rgba(13, 110, 253, 0.2);
    overflow: hidden;
}

.navbar-toggler:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(13, 110, 253, 0.3);
    background: linear-gradient(135deg, #0056b3 0%, #5a4fcf 100%);
}

.navbar-toggler:focus {
    outline: none;
    box-shadow: 0 0 0 3px rgba(13, 110, 253, 0.25);
}

.navbar-toggler:active {
    transform: translateY(0);
    box-shadow: 0 2px 10px rgba(13, 110, 253, 0.3);
}

/* Animated Hamburger Icon */
.navbar-toggler .hamburger {
    position: relative;
    width: 24px;
    height: 18px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.navbar-toggler .hamburger span {
    display: block;
    width: 100%;
    height: 2px;
    background: #ffffff;
    border-radius: 2px;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    transform-origin: center;
}

/* Animation states */
.navbar-toggler[aria-expanded="true"] .hamburger span:nth-child(1) {
    transform: translateY(8px) rotate(45deg);
}

.navbar-toggler[aria-expanded="true"] .hamburger span:nth-child(2) {
    opacity: 0;
    transform: scaleX(0);
}

.navbar-toggler[aria-expanded="true"] .hamburger span:nth-child(3) {
    transform: translateY(-8px) rotate(-45deg);
}

/* Ripple effect */
.navbar-toggler::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    transition: width 0.3s ease, height 0.3s ease;
}

.navbar-toggler:active::before {
    width: 60px;
    height: 60px;
}

/* Enhanced Mobile Menu Styles */
@media (max-width: 991.99px) {
    .navbar-toggler {
        width: 45px;
        height: 45px;
    }
    
    .navbar-toggler .hamburger {
        width: 20px;
        height: 16px;
    }
    
    /* Enhanced mobile menu dropdown */
    #navbarNav {
        background: linear-gradient(135deg, #f8f9ff 0%, #e8f2ff 100%);
        margin-top: 15px;
        border: none;
        border-radius: 15px;
        padding: 20px;
        box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
        backdrop-filter: blur(10px);
        animation: slideDown 0.3s ease-out;
    }
    
    /* Slide down animation */
    @keyframes slideDown {
        from {
            opacity: 0;
            transform: translateY(-20px);
        }
        to {
            opacity: 1;
            transform: translateY(0);
        }
    }
    
    /* Enhanced nav links */
    .main_menu .navbar-nav li a {
        color: #2c3e50 !important;
        font-weight: 500;
        padding: 12px 20px;
        border-radius: 8px;
        margin: 5px 0;
        transition: all 0.3s ease;
        position: relative;
        overflow: hidden;
    }
    
    .main_menu .navbar-nav li a:hover {
        background: linear-gradient(135deg, #0d6efd 0%, #6c5ce7 100%);
        color: #ffffff !important;
        transform: translateX(5px);
    }
    
    .main_menu .navbar-nav li a.active {
        background: linear-gradient(135deg, #0d6efd 0%, #6c5ce7 100%);
        color: #ffffff !important;
    }
    
    /* Add subtle animation to nav items */
    .main_menu .navbar-nav li {
        animation: fadeInUp 0.3s ease-out;
        animation-fill-mode: both;
    }
    
    .main_menu .navbar-nav li:nth-child(1) { animation-delay: 0.1s; }
    .main_menu .navbar-nav li:nth-child(2) { animation-delay: 0.2s; }
    .main_menu .navbar-nav li:nth-child(3) { animation-delay: 0.3s; }
    .main_menu .navbar-nav li:nth-child(4) { animation-delay: 0.4s; }
    .main_menu .navbar-nav li:nth-child(5) { animation-delay: 0.5s; }
    .main_menu .navbar-nav li:nth-child(6) { animation-delay: 0.6s; }
    .main_menu .navbar-nav li:nth-child(7) { animation-delay: 0.7s; }
    
    @keyframes fadeInUp {
        from {
            opacity: 0;
            transform: translateY(20px);
        }
        to {
            opacity: 1;
            transform: translateY(0);
        }
    }
}

/* Tablet specific styles */
@media (min-width: 768px) and (max-width: 991.99px) {
    .navbar-toggler {
        width: 48px;
        height: 48px;
    }
    
    .navbar-toggler .hamburger {
        width: 22px;
        height: 17px;
    }
}

/* Small mobile devices */
@media (max-width: 580px) {
    .navbar-toggler {
        width: 42px;
        height: 42px;
    }
    
    .navbar-toggler .hamburger {
        width: 18px;
        height: 14px;
    }
    
    #navbarNav {
        margin-top: 12px;
        padding: 15px;
        border-radius: 12px;
    }
}

/* Accessibility improvements */
.navbar-toggler:focus-visible {
    outline: 2px solid #0d6efd;
    outline-offset: 2px;
}

/* Reduced motion support */
@media (prefers-reduced-motion: reduce) {
    .navbar-toggler,
    .navbar-toggler .hamburger span,
    .navbar-toggler::before,
    #navbarNav,
    .main_menu .navbar-nav li a {
        transition: none;
        animation: none;
    }
}

/* Dark mode support */
@media (prefers-color-scheme: dark) {
    #navbarNav {
        background: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
    }
    
    .main_menu .navbar-nav li a {
        color: #e2e8f0 !important;
    }
}

/* High contrast mode support */
@media (prefers-contrast: high) {
    .navbar-toggler {
        border: 2px solid #000000;
    }
    
    .navbar-toggler .hamburger span {
        background: #000000;
    }
}