/* ============================================================================
   SIGNALDESK - NAVBAR COMPONENT
   Modern, sticky navbar with smooth animations and creative interactions
   ============================================================================ */

/* Base Navbar Styles */
.navbar {
    background-color: var(--white);
    transition: all var(--transition-base);
    border-bottom: 1px solid transparent;
    z-index: 1000;
}

/* Sticky Navbar - Enhanced on Scroll */
.navbar.sticky-top {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    animation: slideDown 0.4s ease-out;
}

.navbar.scrolled {
    background-color: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    border-bottom: 1px solid rgba(30, 58, 138, 0.1);
}

/* Larger navbar and logo for wide screens: make the logo ~75% of navbar height */
@media (min-width: 1200px) {
    .navbar {
        min-height: 128px; /* increased navbar height on very wide screens */
    }

    .navbar .container {
        padding-top: 1.5rem;
        padding-bottom: 1.5rem;
    }

    .navbar-logo {
        height: 96px; /* ~75% of 128px navbar height */
    }

    /* Move nav links further toward center on very wide screens */
    .navbar-nav.ms-auto {
        margin-left: 10rem;
    }
}

/* Slide Down Animation for Sticky Navbar */
@keyframes slideDown {
    from {
        transform: translateY(-100%);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

/* Navbar Container */
.navbar .container {
    display: flex;
    align-items: center;
    justify-content: flex-start; /* keep logo + nav grouped together on wide screens */
    gap: 1.25rem; /* small gap between brand and nav */
    padding-top: 1rem;
    padding-bottom: 1rem;
    padding-left: 1rem; /* nudge content slightly in from the left edge */
}

/* Restore hamburger alignment on small screens so it's positioned at the right */
@media (max-width: 991px) {
    .navbar .container {
        justify-content: space-between;
        padding-left: 1rem;
        padding-right: 1rem;
    }
}

/* ============================================================================
   NAVBAR BRAND / LOGO
   ============================================================================ */

.navbar-brand {
    display: flex;
    align-items: center;
    padding: 0;
    margin-right: 1rem; /* reduce gap so links sit closer to the brand */
    transition: transform var(--transition-base);
}

.navbar-brand:hover {
    transform: scale(1.05);
}

.navbar-logo {
    height: 80px; /* larger for clearer branding on desktop */
    width: auto;
    transition: all var(--transition-base);
}

@media (max-width: 991px) {
    .navbar-logo { height: 72px; }
}

@media (max-width: 576px) {
    .navbar-logo { height: 56px; }
}

/* Logo Animation on Hover */
.navbar-brand:hover .navbar-logo {
    filter: brightness(1.1);
}

/* Logo Pulse Effect on Page Load */
@keyframes logoPulse {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.05);
    }
}

.navbar-logo {
    animation: logoPulse 2s ease-in-out infinite;
}

.navbar-brand:hover .navbar-logo {
    animation: none;
}

/* ============================================================================
   NAVBAR NAVIGATION LINKS
   ============================================================================ */

.navbar-nav {
    display: flex;
    align-items: center;
    list-style: none;
    margin: 0;
    padding: 0;
    gap: 0.5rem;
}

/* Adjust navbar link offset on wide screens so links sit closer to centre (not too far right) */
.navbar-nav.ms-auto {
    margin-left: 3.5rem; /* larger offset from brand to approximate a middle position on wide screens */
}

@media (max-width: 991px) {
    /* reset on small screens so mobile collapse behaves normally */
    .navbar-nav.ms-auto { margin-left: 0; }
}

.nav-item {
    position: relative;
}

.nav-link {
    color: var(--grey-dark);
    font-size: var(--font-base);
    font-weight: 500;
    padding: 0.75rem 1.25rem;
    border-radius: var(--radius-md);
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
}

/* Hover Effect - Background Slide */
.nav-link::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(59, 130, 246, 0.1), transparent);
    transition: left var(--transition-slow);
}

.nav-link:hover::before {
    left: 100%;
}

.nav-link:hover {
    color: var(--primary-blue);
    background-color: rgba(59, 130, 246, 0.05);
    transform: translateY(-2px);
}

/* Active Link Styles */
.nav-link.active {
    color: var(--primary-blue);
    font-weight: 600;
    position: relative;
}

/* Active Link Underline Animation */
.nav-link.active::after {
    content: '';
    position: absolute;
    bottom: 8px;
    left: 1.25rem;
    right: 1.25rem;
    height: 2px;
    background: var(--gradient-primary);
    border-radius: var(--radius-full);
    animation: expandWidth 0.4s ease-out;
}

@keyframes expandWidth {
    from {
        transform: scaleX(0);
    }
    to {
        transform: scaleX(1);
    }
}

/* Link Icon Enhancement (if using icons) */
.nav-link i {
    margin-right: 0.5rem;
    transition: transform var(--transition-base);
}

.nav-link:hover i {
    transform: translateX(3px);
}

/* ============================================================================
   DEMO BUTTON (Primary CTA in Navbar)
   ============================================================================ */

.btn-demo {
    background: var(--gradient-primary);
    color: var(--white);
    font-weight: 600;
    padding: 0.75rem 1.75rem;
    border-radius: var(--radius-lg);
    border: none;
    box-shadow: 0 4px 12px rgba(30, 58, 138, 0.3);
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
}

/* Demo Button Shine Effect */
.btn-demo::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: linear-gradient(
        45deg,
        transparent,
        rgba(255, 255, 255, 0.3),
        transparent
    );
    transform: rotate(45deg);
    transition: all 0.6s;
}

.btn-demo:hover::before {
    left: 100%;
}

.btn-demo:hover {
    transform: translateY(-2px) scale(1.05);
    box-shadow: 0 8px 20px rgba(30, 58, 138, 0.4);
    color: var(--white);
}

.btn-demo:active {
    transform: translateY(0) scale(0.98);
}

/* Pulse Animation for Demo Button */
@keyframes buttonPulse {
    0% {
        box-shadow: 0 4px 12px rgba(30, 58, 138, 0.3);
    }
    50% {
        box-shadow: 0 4px 20px rgba(30, 58, 138, 0.5);
    }
    100% {
        box-shadow: 0 4px 12px rgba(30, 58, 138, 0.3);
    }
}

.btn-demo {
    animation: buttonPulse 3s ease-in-out infinite;
}

.btn-demo:hover {
    animation: none;
}

/* ============================================================================
   MOBILE MENU TOGGLE (Hamburger)
   ============================================================================ */

.navbar-toggler {
    border: none;
    padding: 0.5rem;
    background: transparent;
    cursor: pointer;
    display: none;
    position: relative;
    width: 30px;
    height: 24px;
}

.navbar-toggler:focus {
    outline: none;
    box-shadow: none;
}

/* Hamburger Icon Animation */
.navbar-toggler-icon {
    display: block;
    width: 100%;
    height: 2px;
    background-color: var(--grey-dark);
    position: relative;
    transition: all var(--transition-base);
    border-radius: var(--radius-full);
}

.navbar-toggler-icon::before,
.navbar-toggler-icon::after {
    content: '';
    position: absolute;
    width: 100%;
    height: 2px;
    background-color: var(--grey-dark);
    border-radius: var(--radius-full);
    transition: all var(--transition-base);
}

.navbar-toggler-icon::before {
    top: -8px;
}

.navbar-toggler-icon::after {
    bottom: -8px;
}

/* Hamburger to X Animation */
.navbar-toggler[aria-expanded="true"] .navbar-toggler-icon {
    background-color: transparent;
}

.navbar-toggler[aria-expanded="true"] .navbar-toggler-icon::before {
    top: 0;
    transform: rotate(45deg);
    background-color: var(--primary-blue);
}

.navbar-toggler[aria-expanded="true"] .navbar-toggler-icon::after {
    bottom: 0;
    transform: rotate(-45deg);
    background-color: var(--primary-blue);
}

/* ============================================================================
   MOBILE RESPONSIVE STYLES
   ============================================================================ */

@media (max-width: 991px) {
    .navbar-toggler {
        display: block;
    }
    
    .navbar-collapse {
        background-color: var(--white);
        box-shadow: 0 8px 20px rgba(0, 0, 0, 0.1);
        border-radius: var(--radius-lg);
        margin-top: 1rem;
        padding: 1.5rem;
        animation: slideDown 0.3s ease-out;
    }
    
    .navbar-nav {
        flex-direction: column;
        width: 100%;
        gap: 0.25rem;
    }
    
    .nav-link {
        width: 100%;
        padding: 1rem;
        border-radius: var(--radius-md);
    }
    
    .nav-link.active::after {
        left: 1rem;
        right: 1rem;
        bottom: 0.75rem;
    }
    
    .btn-demo {
        width: 100%;
        margin-top: 1rem;
        text-align: center;
        justify-content: center;
    }
}

/* Mobile Menu Backdrop Blur Effect */
@media (max-width: 991px) {
    .navbar-collapse.show {
        animation: fadeIn 0.3s ease-out;
    }
    
    .navbar-collapse.collapsing {
        transition: height 0.3s ease;
    }
}

/* ============================================================================
   NAVBAR NOTIFICATION BADGE (Optional - for future features)
   ============================================================================ */

.nav-notification-badge {
    position: absolute;
    top: 8px;
    right: 8px;
    width: 8px;
    height: 8px;
    background-color: var(--error);
    border-radius: 50%;
    border: 2px solid var(--white);
    animation: pulse 2s ease-in-out infinite;
}

/* ============================================================================
   NAVBAR DROPDOWN MENUS (If needed in future)
   ============================================================================ */

.dropdown-menu {
    border: none;
    box-shadow: var(--shadow-xl);
    border-radius: var(--radius-lg);
    padding: 0.75rem;
    margin-top: 0.5rem;
    animation: scaleIn 0.2s ease-out;
    min-width: 220px;
}

.dropdown-item {
    padding: 0.75rem 1rem;
    border-radius: var(--radius-md);
    transition: all var(--transition-base);
    color: var(--grey-dark);
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.dropdown-item:hover {
    background-color: rgba(59, 130, 246, 0.08);
    color: var(--primary-blue);
    transform: translateX(5px);
}

.dropdown-divider {
    margin: 0.5rem 0;
    border-top: 1px solid var(--grey-light);
}

/* ============================================================================
   SEARCH BAR IN NAVBAR (Optional - for future)
   ============================================================================ */

.navbar-search {
    position: relative;
    max-width: 300px;
    margin: 0 1rem;
}

.navbar-search input {
    width: 100%;
    padding: 0.5rem 2.5rem 0.5rem 1rem;
    border: 1px solid var(--grey-light);
    border-radius: var(--radius-full);
    background-color: var(--grey-lighter);
    transition: all var(--transition-base);
}

.navbar-search input:focus {
    outline: none;
    border-color: var(--primary-blue);
    background-color: var(--white);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.navbar-search button {
    position: absolute;
    right: 0.5rem;
    top: 50%;
    transform: translateY(-50%);
    background: transparent;
    border: none;
    color: var(--grey-medium);
    cursor: pointer;
}

/* ============================================================================
   CREATIVE LOADING STATE FOR NAVBAR
   ============================================================================ */

.navbar.loading {
    position: relative;
}

.navbar.loading::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background: var(--gradient-primary);
    animation: loadingBar 1.5s ease-in-out infinite;
}

@keyframes loadingBar {
    0% {
        transform: translateX(-100%);
    }
    100% {
        transform: translateX(100%);
    }
}

/* ============================================================================
   SMOOTH TRANSITIONS FOR ALL NAVBAR ELEMENTS
   ============================================================================ */

.navbar * {
    transition-timing-function: cubic-bezier(0.4, 0, 0.2, 1);
}

/* ============================================================================
   NAVBAR GLASSMORPHISM EFFECT (Optional Alternative Style)
   ============================================================================ */

.navbar.glass {
    background: rgba(255, 255, 255, 0.7);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.3);
}

/* ============================================================================
   ACCESSIBILITY ENHANCEMENTS
   ============================================================================ */

.nav-link:focus-visible {
    outline: 2px solid var(--primary-blue);
    outline-offset: 4px;
    border-radius: var(--radius-md);
}

.navbar-toggler:focus-visible {
    outline: 2px solid var(--primary-blue);
    outline-offset: 4px;
}

/* ============================================================================
   PRINT STYLES
   ============================================================================ */

@media print {
    .navbar {
        display: none;
    }
}