/**
 * Taskora Group LLC - Header & Navigation Styles
 * 
 * Supports desktop sticky navbar, multi-column services mega-menu,
 * active indicator states, and mobile offcanvas menu.
 */

.taskora-header {
    position: sticky;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1030;
    background-color: rgba(255, 255, 255, 0.96);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--color-border);
    transition: box-shadow 0.3s ease, background-color 0.3s ease;
    height: var(--header-height);
}

.taskora-header.scrolled {
    box-shadow: 0 4px 20px rgba(10, 37, 64, 0.08);
}

.taskora-header .navbar {
    padding-block: 0;
    height: 100%;
}

/* Brand Logo */
.navbar-brand {
    font-size: 1.45rem;
    font-weight: 800;
    color: var(--color-dark) !important;
    letter-spacing: -0.03em;
    display: inline-flex;
    align-items: center;
    gap: 0.65rem;
    padding: 0;
    margin-right: 2rem;
}

.brand-logo-img {
    height: 60px;
    width: auto;
    max-width: 180px;
    object-fit: contain;
    display: inline-block;
    vertical-align: middle;
    transition: transform 0.25s ease;
}

.navbar-brand:hover .brand-logo-img {
    transform: scale(1.02);
}

.brand-icon {
    width: 38px;
    height: 38px;
    border-radius: var(--radius-sm);
    background: var(--gradient-primary);
    color: var(--color-white);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.15rem;
    box-shadow: var(--shadow-sm);
}

.brand-text-corp {
    color: var(--color-secondary);
    font-weight: 500;
}

/* Desktop Nav Links */
.navbar-nav .nav-link {
    font-family: var(--font-primary);
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--color-dark-soft) !important;
    padding: 0.75rem 1rem !important;
    border-radius: var(--radius-sm);
    transition: color 0.22s cubic-bezier(0.16, 1, 0.3, 1),
        background-color 0.22s cubic-bezier(0.16, 1, 0.3, 1);
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    position: relative;
    outline: none !important;
    box-shadow: none !important;
    border: none !important;
}

.navbar-nav .nav-link:hover,
.navbar-nav .nav-link:focus,
.navbar-nav .nav-link:focus-visible,
.navbar-nav .nav-link:active,
.navbar-nav .dropdown-toggle,
.navbar-nav .dropdown-toggle:hover,
.navbar-nav .dropdown-toggle:focus,
.navbar-nav .dropdown-toggle:focus-visible,
.navbar-nav .dropdown-toggle:active {
    color: var(--color-secondary) !important;
    background-color: var(--color-light);
    outline: none !important;
    box-shadow: none !important;
}

/* Prevent Bootstrap from adding any duplicate caret arrow */
.dropdown-toggle::after,
.navbar-nav .dropdown-toggle::after {
    display: none !important;
    content: none !important;
}

.navbar-nav .nav-link.active {
    color: var(--color-primary) !important;
    font-weight: 600;
}

.navbar-nav .nav-link.active::after {
    content: '';
    position: absolute;
    bottom: 0px;
    left: 1rem;
    right: 1rem;
    height: 2px;
    background: var(--gradient-primary);
    border-radius: var(--radius-pill);
}

.nav-link i.bi-chevron-down {
    transition: transform 0.28s cubic-bezier(0.16, 1, 0.3, 1);
    display: inline-block;
}

.nav-item.dropdown:hover .nav-link i.bi-chevron-down,
.nav-item.dropdown.show .nav-link i.bi-chevron-down {
    transform: rotate(180deg);
}

/* ====================================================
   DESKTOP SERVICES MEGA-MENU / DROPDOWN
   ==================================================== */
.dropdown-menu-mega {
    width: 960px;
    max-width: 95vw;
    left: 50% !important;
    transform: translateX(-50%) translateY(8px);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: 1.75rem 2rem;
    background-color: var(--color-white);
    box-shadow: 0 16px 40px rgba(10, 37, 64, 0.12);
    margin-top: 0.75rem;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.28s cubic-bezier(0.16, 1, 0.3, 1),
        transform 0.28s cubic-bezier(0.16, 1, 0.3, 1),
        visibility 0.28s ease;
    visibility: hidden;
    display: block !important;
    will-change: transform, opacity;
}

.dropdown-menu-mega.show {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    transform: translateX(-50%) translateY(0) !important;
}

.mega-menu-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.75rem 2.25rem;
}

.mega-menu-cat-title {
    font-size: 0.8rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--color-muted);
    padding-bottom: 0.5rem;
    margin-bottom: 0.75rem;
    border-bottom: 1px solid var(--color-light-alt);
    display: flex;
    align-items: center;
    gap: 0.4rem;
}

.mega-menu-item {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    padding: 0.55rem 0.7rem;
    border-radius: var(--radius-sm);
    color: var(--color-dark);
    text-decoration: none;
    transition: background-color 0.22s cubic-bezier(0.16, 1, 0.3, 1),
        transform 0.22s cubic-bezier(0.16, 1, 0.3, 1),
        color 0.2s ease;
    will-change: transform;
}

.mega-menu-item:hover {
    background-color: var(--color-light);
    color: var(--color-secondary) !important;
    transform: translateX(4px);
}

.mega-menu-item.active {
    background-color: var(--color-accent-subtle);
    color: var(--color-secondary);
    font-weight: 600;
}

.mega-menu-item i {
    font-size: 1.15rem;
    color: var(--color-secondary);
    margin-top: 0.15rem;
    flex-shrink: 0;
    transition: transform 0.22s cubic-bezier(0.16, 1, 0.3, 1);
}

.mega-menu-item:hover i {
    transform: scale(1.12);
}

.mega-menu-item-text {
    display: flex;
    flex-direction: column;
}

.mega-menu-item-name {
    font-size: 0.9rem;
    font-weight: 600;
    line-height: 1.3;
}

.mega-menu-item-desc {
    font-size: 0.775rem;
    color: var(--color-muted);
    line-height: 1.35;
    margin-top: 0.15rem;
}

.mega-menu-footer {
    margin-top: 1.5rem;
    padding-top: 1rem;
    border-top: 1px solid var(--color-border);
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.875rem;
}

/* ====================================================
   MOBILE OFFCANVAS NAVIGATION
   ==================================================== */
.offcanvas-taskora {
    width: 340px !important;
    border-left: 1px solid var(--color-border);
    background-color: var(--color-white);
}

.offcanvas-taskora .offcanvas-header {
    border-bottom: 1px solid var(--color-border);
    padding: 1.25rem 1.5rem;
}

.offcanvas-taskora .offcanvas-body {
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
}

.mobile-nav-link {
    font-size: 1.05rem;
    font-weight: 600;
    color: var(--color-dark);
    padding: 0.75rem 0.5rem;
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: space-between;
    text-decoration: none;
    border-bottom: 1px solid var(--color-light-alt);
    transition: color 0.22s ease, background-color 0.22s ease;
}

.mobile-nav-link:hover,
.mobile-nav-link.active {
    color: var(--color-secondary);
    background-color: var(--color-light);
}

.mobile-services-accordion .accordion-button {
    font-size: 1.05rem;
    font-weight: 600;
    color: var(--color-dark);
    padding: 0.75rem 0.5rem;
    background: transparent;
    box-shadow: none;
    border-bottom: 1px solid var(--color-light-alt);
    transition: color 0.22s ease;
}

.mobile-services-accordion .accordion-button:not(.collapsed) {
    color: var(--color-secondary);
}

.mobile-services-accordion .accordion-item {
    border: none;
    background: transparent;
}

.mobile-service-sublink {
    display: flex;
    align-items: center;
    gap: 0.65rem;
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--color-dark-soft);
    padding: 0.55rem 0.75rem;
    border-radius: var(--radius-sm);
    text-decoration: none;
    transition: color 0.22s ease, background-color 0.22s ease, transform 0.22s cubic-bezier(0.16, 1, 0.3, 1);
}

.mobile-service-sublink:hover,
.mobile-service-sublink.active {
    color: var(--color-secondary);
    background-color: var(--color-light);
    transform: translateX(4px);
}

.mobile-service-sublink i {
    color: var(--color-secondary);
    font-size: 1rem;
}

.mobile-menu-cta {
    margin-top: auto;
    padding-top: 1.5rem;
}

/* Mobile Toggle Hamburger */
.navbar-toggler-custom {
    border: 1px solid var(--color-border);
    padding: 0.45rem 0.65rem;
    border-radius: var(--radius-sm);
    color: var(--color-primary);
    background-color: var(--color-light);
    font-size: 1.25rem;
}

.navbar-toggler-custom:hover {
    background-color: var(--color-light-alt);
}