/* ===== Modern Header Styles ===== */

:root {
    --primary-color: #1e40af;
    --secondary-color: #f59e0b;
    --text-dark: #1f2937;
    --text-light: #6b7280;
    --border-color: #e5e7eb;
    --hover-color: #3b82f6;
    --transition: all 0.3s ease;
}

/* ===== Main Header Container ===== */
.modern-header {
    background: #fff;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
}


/* ===== Logo Section ===== */
.logo-section {
    background: #fff;
    border-bottom: 1px solid var(--border-color);
}

.logo-section .py-3 {
    padding: 1.5rem 0 !important;
}

.site-logo-link {
    display: inline-block;
    transition: var(--transition);
    width: 150px;
}

.site-logo-link:hover {
    transform: scale(1.02);
}

.site-logo-img {
    max-height: 40px;
    width: auto;
    object-fit: contain;
    display: block;
}

/* ===== Main Navigation Bar ===== */
.main-navigation {
    background: #fff;
    border-bottom: 1px solid var(--border-color);
    padding: 0.75rem 0;
    top: 0;
    z-index: 99;
    transition: var(--transition);
}

.main-navigation.sticky-top.scrolled {
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    padding: 0.5rem 0;
}

/* ===== Mobile Logo ===== */
.mobile-logo {
    height: 45px;
    width: auto;
    object-fit: contain;
    margin-right: 1rem;
}

/* ===== Main Menu ===== */
.main-menu {
    gap: 0.5rem;
    display: flex;
    justify-content: start;
    flex-wrap: wrap;
}

.main-menu .nav-link {
    color: var(--text-dark);
    font-weight: 500;
    padding: 0.5rem 1.25rem;
    border-radius: 4px;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
    font-size: 0.95rem;
}

.main-menu .nav-link::before {
    content: '';
    position: absolute;
    bottom: 0;
    left: -100%;
    width: 100%;
    height: 3px;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    transition: left 0.3s ease;
}

.main-menu .nav-link:hover,
.main-menu .nav-link.active {
    color: var(--hover-color);
}

.main-menu .nav-link.active::before {
    left: 0;
}

/* ===== Dropdown Menu ===== */
.dropdown-menu {
    border: 1px solid var(--border-color);
    border-radius: 6px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    animation: slideDown 0.3s ease;
}

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

.dropdown-item {
    color: var(--text-dark);
    padding: 0.75rem 1.5rem;
    transition: var(--transition);
    border-left: 3px solid transparent;
}

.dropdown-item:hover {
    background: #f3f4f6;
    color: var(--primary-color);
    border-left-color: var(--primary-color);
}

/* ===== Navbar Right ===== */
.navbar-right {
    gap: 2rem;
}

/* ===== Search Toggle Button ===== */
.search-toggle {
    background: #f3f4f6;
    border: 1px solid var(--border-color);
    color: var(--text-dark);
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 6px;
    transition: var(--transition);
    padding: 0 !important;
}

.search-toggle:hover {
    background: var(--primary-color);
    color: #fff;
    border-color: var(--primary-color);
}

/* ===== Search Bar ===== */
.search-bar-wrapper {
    background: #f9fafb;
    border-top: 1px solid var(--border-color);
    padding: 1rem 0;
    animation: slideDown 0.3s ease;
}

.search-form {
    max-width: 600px;
    margin: 0 auto;
}

.search-input {
    border: 1px solid var(--border-color);
    border-radius: 6px 0 0 6px;
    padding: 0.75rem 1rem;
    transition: var(--transition);
}

.search-input:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(30, 64, 175, 0.1);
}

.search-btn {
    background: var(--primary-color);
    border: 1px solid var(--primary-color);
    border-radius: 0 6px 6px 0;
    color: #fff;
    padding: 0.75rem 1.25rem;
    transition: var(--transition);
}

.search-btn:hover {
    background: #1e3a8a;
    border-color: #1e3a8a;
}

/* ===== Mobile Offcanvas Menu ===== */
.modern-offcanvas {
    width: 280px !important;
    background: #fff;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.15);
}

.offcanvas-header {
    background: var(--primary-color);
    color: #fff;
    border-bottom: none;
}

.offcanvas-header .btn-close {
    filter: brightness(0) invert(1);
}

/* ===== Mobile Search Wrapper ===== */
.mobile-search-wrapper {
    background: #f9fafb;
}

.mobile-search-wrapper .form-control {
    border: 1px solid var(--border-color);
    border-radius: 6px 0 0 6px;
    padding: 0.625rem 1rem;
}

.mobile-search-wrapper .btn {
    border-radius: 0 6px 6px 0;
}

/* ===== Mobile Navigation ===== */
.mobile-nav {
    padding: 0.5rem 0;
}

.mobile-nav-link {
    display: block;
    color: var(--text-dark);
    text-decoration: none;
    padding: 0.875rem 1.5rem;
    transition: var(--transition);
    border-left: 3px solid transparent;
}

.mobile-nav-link:hover {
    background: #f3f4f6;
    color: var(--primary-color);
    border-left-color: var(--primary-color);
    padding-left: 1.75rem;
}

.nav-divider {
    padding: 0.5rem 1.5rem;
}

.nav-divider span {
    display: block;
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    font-weight: 600;
}

/* ===== Navbar Toggler ===== */
.navbar-toggler {
    border: 1px solid var(--border-color);
    transition: var(--transition);
}

.navbar-toggler:focus {
    box-shadow: 0 0 0 0.25rem rgba(30, 64, 175, 0.25);
}

/* ===== Responsive Design ===== */
@media (max-width: 991px) {
    .main-menu {
        gap: 0;
    }

    .main-menu .nav-link {
        padding: 0.75rem 1rem;
    }

    .search-bar-wrapper {
        display: none;
    }
}

@media (max-width: 576px) {
    .site-logo-img {
        max-height: 80px;
    }

    .main-menu .nav-link {
        font-size: 0.9rem;
        padding: 0.5rem 0.75rem;
    }

    .search-toggle {
        width: 36px;
        height: 36px;
    }

    .modern-offcanvas {
        width: 100% !important;
    }

    .logo-section .py-3 {
        padding: 1rem 0 !important;
    }
}

/* ===== Accessibility ===== */
.nav-link:focus,
.search-toggle:focus,
.mobile-nav-link:focus {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

/* ===== Print Styles ===== */
@media print {
    .modern-header,
    .search-bar-wrapper {
        display: none;
    }
}

/* ===== Smooth Transitions ===== */
@media (prefers-reduced-motion: no-preference) {
    * {
        scroll-behavior: smooth;
    }
}