/* Professional Navigation Styles - Narola Infotech Inspired */

/* Root Variables */
:root {
    --navbar-bg: #ffffff;
    --navbar-shadow: 0 2px 15px rgba(0, 0, 0, 0.08);
    --primary-color: #2563eb;
    --primary-hover: #1d4ed8;
    --text-dark: #1f2937;
    --text-muted: #6b7280;
    --border-light: #e5e7eb;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --font-family: 'Poppins', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

/* Professional Navbar Base */
.professional-navbar {
    position: relative;
    z-index: 1050;
}

.professional-navbar .navbar {
    padding: 0.75rem 0;
    background-color: var(--navbar-bg) !important;
    box-shadow: var(--navbar-shadow);
    transition: var(--transition);
    font-family: var(--font-family);
}

.professional-navbar .navbar.scrolled {
    padding: 0.5rem 0;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.12);
}

/* Brand Logo Styling */
.navbar-brand {
    padding: 0;
    margin-right: 2rem;
    text-decoration: none;
    transition: var(--transition);
}

.brand-logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.brand-icon {
    font-size: 1.75rem;
    color: var(--primary-color);
    transition: var(--transition);
}

.brand-text {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-dark);
    letter-spacing: -0.025em;
}

.navbar-brand:hover .brand-icon {
    transform: rotate(360deg);
    color: var(--primary-hover);
}

.navbar-brand:hover .brand-text {
    color: var(--primary-color);
}

/* Navigation Links */
.navbar-nav {
    gap: 0.5rem;
}

.nav-item {
    position: relative;
}

.nav-link {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1rem !important;
    font-weight: 500;
    font-size: 0.95rem;
    color: var(--text-dark) !important;
    border-radius: 8px;
    transition: var(--transition);
    text-decoration: none;
    position: relative;
}

.nav-icon {
    font-size: 0.875rem;
    opacity: 0.8;
    transition: var(--transition);
}

.nav-link:hover {
    color: var(--primary-color) !important;
    background-color: rgba(37, 99, 235, 0.05);
    transform: translateY(-1px);
}

.nav-link:hover .nav-icon {
    opacity: 1;
    transform: scale(1.1);
}

.nav-link.active {
    color: var(--primary-color) !important;
    background-color: rgba(37, 99, 235, 0.1);
    font-weight: 600;
}

.nav-link.active::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 1rem;
    right: 1rem;
    height: 2px;
    background: linear-gradient(90deg, var(--primary-color), var(--primary-hover));
    border-radius: 1px;
}

/* Dropdown Styling */
.dropdown-toggle::after {
    margin-left: 0.5rem;
    transition: var(--transition);
}

.dropdown:hover .dropdown-toggle::after {
    transform: rotate(180deg);
}

.dropdown-menu {
    border: none;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.12);
    border-radius: 12px;
    padding: 0.75rem 0;
    margin-top: 0.5rem;
    min-width: 220px;
    animation: dropdownFadeIn 0.3s ease;
}

@keyframes dropdownFadeIn {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.dropdown-header {
    font-weight: 600;
    font-size: 0.8rem;
    color: var(--primary-color);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    padding: 0.5rem 1.25rem;
    margin-bottom: 0.25rem;
}

.dropdown-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 1.25rem;
    font-size: 0.9rem;
    color: var(--text-dark);
    transition: var(--transition);
    border-radius: 0;
}

.dropdown-item i {
    width: 16px;
    font-size: 0.875rem;
    color: var(--text-muted);
    transition: var(--transition);
}

.dropdown-item:hover {
    background-color: rgba(37, 99, 235, 0.05);
    color: var(--primary-color);
    transform: translateX(5px);
}

.dropdown-item:hover i {
    color: var(--primary-color);
    transform: scale(1.1);
}

.dropdown-divider {
    margin: 0.5rem 1.25rem;
    border-color: var(--border-light);
}

/* Mega Menu Styling */
.mega-dropdown .dropdown-menu {
    min-width: 600px;
    padding: 2rem 0;
}

.mega-menu .container {
    max-width: 100%;
}

.mega-menu .row {
    margin: 0;
}

.mega-menu .col-md-4 {
    padding: 0 1.5rem;
}

.mega-menu .dropdown-header {
    border-bottom: 2px solid rgba(37, 99, 235, 0.1);
    margin-bottom: 1rem;
    padding-bottom: 0.5rem;
}

.mega-menu .dropdown-item {
    padding: 0.5rem 0;
    margin-bottom: 0.25rem;
}

/* CTA Button */
.cta-btn {
    padding: 0.75rem 1.5rem;
    font-weight: 600;
    font-size: 0.9rem;
    border-radius: 8px;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-hover));
    border: none;
    color: white !important;
    text-decoration: none;
    transition: var(--transition);
    box-shadow: 0 4px 12px rgba(37, 99, 235, 0.3);
}

.cta-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(37, 99, 235, 0.4);
    color: white !important;
}

.cta-btn:active {
    transform: translateY(0);
}

/* Mobile Responsive */
.custom-toggler {
    border: none;
    padding: 0.5rem;
    border-radius: 8px;
    transition: var(--transition);
}

.custom-toggler:focus {
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.2);
}

.custom-toggler .navbar-toggler-icon {
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba%2837, 99, 235, 1%29' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
    transition: var(--transition);
}

.custom-toggler[aria-expanded="true"] .navbar-toggler-icon {
    transform: rotate(90deg);
}

/* Mobile Menu Styles */
@media (max-width: 991.98px) {
    .navbar-collapse {
        background-color: var(--navbar-bg);
        border-radius: 12px;
        box-shadow: 0 10px 40px rgba(0, 0, 0, 0.15);
        margin-top: 1rem;
        padding: 1.5rem;
        animation: mobileMenuSlide 0.3s ease;
    }

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

    .navbar-nav {
        gap: 0.25rem;
    }

    .nav-link {
        padding: 1rem !important;
        border-radius: 8px;
        margin-bottom: 0.25rem;
    }

    .nav-link:hover {
        background-color: rgba(37, 99, 235, 0.08);
        transform: translateX(5px);
    }

    .dropdown-menu {
        position: static !important;
        transform: none !important;
        box-shadow: none;
        background-color: rgba(37, 99, 235, 0.02);
        border-radius: 8px;
        margin: 0.5rem 0;
        padding: 0.5rem;
    }

    .dropdown-item {
        padding: 0.75rem;
        border-radius: 6px;
        margin-bottom: 0.25rem;
    }

    .mega-dropdown .dropdown-menu {
        min-width: auto;
        padding: 1rem;
    }

    .mega-menu .col-md-4 {
        padding: 0.5rem 0;
        margin-bottom: 1rem;
    }

    .cta-btn {
        width: 100%;
        margin-top: 1rem;
        padding: 1rem;
        text-align: center;
    }

    .navbar-nav.ms-auto {
        margin-left: 0 !important;
    }
}

/* Accessibility Enhancements */
.nav-link:focus,
.dropdown-item:focus,
.cta-btn:focus {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

/* Smooth Scrolling */
html {
    scroll-behavior: smooth;
}

/* Navbar Scroll Effect */
.navbar-scrolled {
    background-color: rgba(255, 255, 255, 0.95) !important;
    backdrop-filter: blur(10px);
}

/* Hover Effects for Better UX */
.dropdown:hover .dropdown-menu {
    display: block;
    animation: dropdownFadeIn 0.3s ease;
}

@media (min-width: 992px) {
    .dropdown-menu {
        display: none;
    }
    
    .dropdown:hover .dropdown-menu {
        display: block;
    }
}

/* Loading State */
.navbar.loading {
    opacity: 0.7;
    pointer-events: none;
}

/* Print Styles */
@media print {
    .professional-navbar {
        display: none;
    }
}

/* High Contrast Mode Support */
@media (prefers-contrast: high) {
    .nav-link {
        border: 1px solid transparent;
    }
    
    .nav-link:hover,
    .nav-link:focus {
        border-color: var(--primary-color);
    }
}

/* Reduced Motion Support */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}