/* =================================
   Navigation Styles
   ================================= */

/* Base Navigation Styles */
.nk-header {
    position: relative;
    z-index: 999;
    width: 100%;
    background-color: #fff;
    box-shadow: 0 2px 15px rgba(0, 0, 0, 0.1);
}

.nk-header.is-sticky {
    position: fixed;
    left: 0;
    right: 0;
    top: 0;
    z-index: 1020;
    background: #fff;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    transition: transform 0.4s cubic-bezier(0.2, 0, 0, 1);
}

.nk-header.nav-hidden {
    transform: translateY(-100%);
}

.nk-header-main {
    position: relative;
    display: flex;
    align-items: center;
    min-height: 80px;
    transition: all 0.3s ease;
}

.nk-header-wrap {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    position: relative;
}

/* Logo Styles */
.nk-header-logo .logo-img {
    max-width: 180px;
    height: auto;
    transition: all 0.3s ease;
}

/* Navigation Menu */
.nk-header-menu {
    display: flex;
    align-items: center;
}

.nk-nav {
    display: flex;
    list-style: none;
    margin: 0;
    padding: 0;
}

.nk-nav > .nk-nav-item {
    position: relative;
    margin: 0 0.5rem;
}

.nk-nav-link {
    display: flex;
    align-items: center;
    padding: 0.75rem 1rem;
    color: #1e1a47;
    font-weight: 500;
    text-decoration: none;
    transition: all 0.3s ease;
    position: relative;
}

.nk-nav-link:hover,
.nk-nav-link:focus {
    color: #54A409;
    outline: none;
}

/* Active Navigation Link */
.nk-nav-item.active .nk-nav-link {
    color: #54A409;
    position: relative;
}

.nk-nav-item.active .nk-nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 1rem;
    right: 1rem;
    height: 2px;
    background-color: #54A409;
    border-radius: 2px;
}

/* Underline animation on hover */
.nk-nav-link {
    position: relative;
}

.nk-nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 1rem;
    right: 1rem;
    height: 2px;
    background-color: #54A409;
    border-radius: 2px;
    transform: scaleX(0);
    transform-origin: right;
    transition: transform 0.3s ease;
}

.nk-nav-link:hover::after {
    transform: scaleX(1);
    transform-origin: left;
}

.navbar-nav .nk-nav-item.active .nk-nav-link::after {
    transform: scaleX(1);
}

/* Mobile Menu Toggle */
.nk-navbar-toggle {
    display: none;
    margin-left: 1rem;
}

.navbar-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: none;
    border: 1px solid #e2e8f0;
    border-radius: 0.25rem;
    color: #4a5568;
    cursor: pointer;
    transition: all 0.3s ease;
}

.navbar-toggle:hover,
.navbar-toggle:focus {
    color: #54A409;
    border-color: #54A409;
    outline: none;
}

/* Responsive Logo */
@media (max-width: 991.98px) {
    .nk-header-logo .logo-img {
        max-width: 140px;
    }
}

@media (max-width: 575.98px) {
    .nk-header-logo .logo-img {
        max-width: 120px;
    }
}

/* Accessibility */
.nk-nav-link:focus-visible {
    outline: 2px solid #54A409;
    outline-offset: 2px;
}

.nk-nav-item:focus-within {
    scroll-margin-top: 1rem;
}