/* ========================================
   DESIGN MODERNE - HEADER
   Version 2024 - Design Premium
   ======================================== */

:root {
    --primary-blue: #1f4f82;
    --secondary-blue: #2f80ed;
    --light-blue: #e9f2fb;
    --accent-blue: #3b82f6;
    --success-green: #27ae60;
    --text-dark: #1f2933;
    --text-medium: #4a5568;
    --text-light: #7b8794;
    --bg-white: #ffffff;
    --bg-light: #f8fafc;
    --border-light: #e2e8f0;
    --shadow-sm: 0 2px 8px rgba(15, 23, 42, 0.04);
    --shadow-md: 0 4px 16px rgba(15, 23, 42, 0.08);
    --shadow-lg: 0 12px 32px rgba(15, 23, 42, 0.12);
    --shadow-xl: 0 20px 48px rgba(15, 23, 42, 0.16);
}

/* ========================================
   TOP BAR - Design Premium
   ======================================== */
.top-bar {
    background: linear-gradient(135deg, #0f172a 0%, #1e3a8a 50%, #3b82f6 100%);
    color: #ffffff;
    padding: 12px 0;
    font-size: 14px;
    width: 100%;
    position: relative;
    overflow: hidden;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.top-bar::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image: 
        radial-gradient(circle at 2px 2px, rgba(255, 255, 255, 0.15) 1px, transparent 0);
    background-size: 40px 40px;
    opacity: 0.3;
    animation: gridMove 20s linear infinite;
}

@keyframes gridMove {
    0% { transform: translate(0, 0); }
    100% { transform: translate(40px, 40px); }
}

.top-bar .container {
    position: relative;
    z-index: 1;
}

.top-bar .contact-info {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.top-bar .contact-item {
    display: flex;
    align-items: center;
    gap: 8px;
    color: rgba(255, 255, 255, 0.95);
    font-size: 14px;
    font-weight: 500;
    transition: all 0.3s ease;
    padding: 4px 0;
}

.top-bar .contact-item:hover {
    color: #ffffff;
    transform: translateY(-1px);
}

.top-bar .contact-item i {
    font-size: 14px;
    width: 18px;
    text-align: center;
    color: rgba(255, 255, 255, 0.9);
}

.top-bar-right {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.top-bar-articles-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 14px;
    background: rgba(255, 255, 255, 0.2);
    color: #fff;
    text-decoration: none;
    font-weight: 600;
    font-size: 14px;
    border-radius: 8px;
    transition: all 0.3s ease;
    border: 1px solid rgba(255, 255, 255, 0.3);
}

.top-bar-articles-link:hover {
    background: rgba(255, 255, 255, 0.35);
    color: #fff;
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.top-bar-articles-link i {
    font-size: 16px;
}

.top-bar .language-switcher {
    display: flex;
    align-items: center;
    gap: 12px;
}

.top-bar .language-flag {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    border-radius: 8px;
    overflow: hidden;
    transition: all 0.3s ease;
    border: 2px solid transparent;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
}

.top-bar .language-flag:hover {
    transform: translateY(-2px) scale(1.05);
    border-color: rgba(255, 255, 255, 0.3);
    background: rgba(255, 255, 255, 0.2);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

.top-bar .language-flag.current {
    border-color: rgba(255, 255, 255, 0.5);
    background: rgba(255, 255, 255, 0.25);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
}

.top-bar .language-flag img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.top-bar .flag-emoji {
    font-size: 20px;
    line-height: 1;
}

/* ========================================
   NAVIGATION BAR - Design Premium
   ======================================== */
.navbar {
    background: var(--bg-white);
    width: 100%;
    box-shadow: var(--shadow-md);
    padding: 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    border-bottom: 1px solid var(--border-light);
    transition: all 0.3s ease;
}

.navbar.scrolled {
    box-shadow: var(--shadow-lg);
    padding: 0;
}

.nav-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 30px;
    width: 100%;
    max-width: 100%;
    margin: 0 auto;
    padding: 18px 40px;
    position: relative;
}

/* Logo */
.logo-small {
    flex-shrink: 0;
    display: flex;
    align-items: center;
}

.logo-link {
    display: flex;
    align-items: center;
    transition: all 0.3s ease;
}

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

.logo-image {
    height: 70px;
    width: auto;
    object-fit: contain;
    transition: all 0.3s ease;
}

/* Navigation Menu */
.nav-menu {
    display: flex;
    list-style: none;
    gap: 8px;
    flex: 1;
    justify-content: center;
    position: relative;
    margin: 0;
    padding: 0;
}

.nav-menu > li {
    position: relative;
    list-style: none !important;
    display: flex;
    align-items: center;
    flex-direction: column;
}

.nav-menu > li > a {
    text-decoration: none;
    color: var(--text-dark);
    font-weight: 600;
    font-size: 14px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 12px 18px;
    border-radius: 8px;
    position: relative;
}

.nav-menu > li > a::before {
    content: '';
    position: absolute;
    bottom: 8px;
    left: 50%;
    transform: translateX(-50%) scaleX(0);
    width: 60%;
    height: 2px;
    background: linear-gradient(90deg, var(--secondary-blue), var(--accent-blue));
    border-radius: 2px;
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.nav-menu > li > a:hover,
.nav-menu > li > a.active,
.nav-menu > li.current-menu-item > a,
.nav-menu > li.current-menu-parent > a {
    color: var(--secondary-blue);
    background: rgba(47, 128, 237, 0.05);
}

.nav-menu > li > a:hover::before,
.nav-menu > li > a.active::before,
.nav-menu > li.current-menu-item > a::before,
.nav-menu > li.current-menu-parent > a::before {
    transform: translateX(-50%) scaleX(1);
}

/* Sous-menus */
.nav-menu ul.sub-menu,
.nav-menu ul.children,
.nav-menu .sub-menu,
.nav-menu .children,
.nav-menu li ul {
    position: absolute;
    top: calc(100% + 8px);
    left: 0;
    background: var(--bg-white);
    min-width: 240px;
    max-width: 320px;
    list-style: none !important;
    padding: 12px 0 !important;
    margin: 0 !important;
    box-shadow: var(--shadow-lg);
    border-radius: 12px;
    border: 1px solid var(--border-light);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 999;
}

.nav-menu > li:hover > ul.sub-menu,
.nav-menu > li:hover > ul.children,
.nav-menu > li:hover > .sub-menu,
.nav-menu > li:hover > .children {
    opacity: 1 !important;
    visibility: visible !important;
    transform: translateY(0) !important;
}

.nav-menu .sub-menu > li,
.nav-menu .children > li {
    width: 100% !important;
    border-bottom: 1px solid var(--border-light);
    position: relative;
    display: list-item !important;
    list-style: none !important;
    margin: 0 !important;
}

.nav-menu .sub-menu > li:last-child,
.nav-menu .children > li:last-child {
    border-bottom: none;
}

.nav-menu .sub-menu > li > a,
.nav-menu .children > li > a {
    padding: 14px 24px !important;
    display: block !important;
    font-size: 14px !important;
    font-weight: 500 !important;
    text-transform: none !important;
    color: var(--text-dark) !important;
    width: 100% !important;
    transition: all 0.2s ease !important;
    border-radius: 0;
    position: relative;
}

.nav-menu .sub-menu > li > a::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 3px;
    background: linear-gradient(180deg, var(--secondary-blue), var(--accent-blue));
    transform: scaleY(0);
    transition: transform 0.2s ease;
}

.nav-menu .sub-menu > li > a:hover,
.nav-menu .children > li > a:hover {
    background: rgba(47, 128, 237, 0.05) !important;
    color: var(--secondary-blue) !important;
    padding-left: 28px !important;
}

.nav-menu .sub-menu > li > a:hover::before,
.nav-menu .children > li > a:hover::before {
    transform: scaleY(1);
}

/* Nav Icons */
.nav-icons {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-shrink: 0;
}

/* Recherche header : dropdown Ivory Search */
.nav-search-wrap {
    position: relative;
}

.nav-search-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 42px;
    height: 42px;
    padding: 0;
    border: none;
    background: rgba(47, 128, 237, 0.08);
    border-radius: 10px;
    color: var(--secondary-blue, #2c3e50);
    cursor: pointer;
    transition: all 0.3s ease;
}

.nav-search-toggle:hover {
    background: var(--secondary-blue, #4a71aa);
    color: #fff;
    transform: scale(1.05);
    box-shadow: 0 4px 12px rgba(47, 128, 237, 0.3);
}

.nav-search-toggle i {
    font-size: 18px;
}

.nav-search-dropdown {
    position: absolute;
    top: 100%;
    right: 0;
    margin-top: 8px;
    min-width: 320px;
    padding: 16px;
    background: #fff;
    border-radius: 12px;
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.15);
    border: 1px solid rgba(0, 0, 0, 0.08);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-8px);
    transition: opacity 0.25s ease, visibility 0.25s ease, transform 0.25s ease;
    z-index: 1001;
}

.nav-search-wrap.active .nav-search-dropdown {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.nav-search-dropdown .is-form {
    margin: 0;
}

.nav-search-dropdown input[type="search"],
.nav-search-dropdown input[type="text"] {
    width: 100%;
    padding: 10px 14px;
    border: 1px solid #ddd;
    border-radius: 8px;
    font-size: 14px;
}

.nav-icons .fa-search {
    font-size: 18px;
    width: 42px;
    height: 42px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(47, 128, 237, 0.08);
    border-radius: 10px;
    color: var(--secondary-blue);
    cursor: pointer;
    transition: all 0.3s ease;
    border: 1px solid transparent;
}

.nav-icons .fa-search:hover {
    background: var(--secondary-blue);
    color: #ffffff;
    transform: scale(1.05);
    box-shadow: 0 4px 12px rgba(47, 128, 237, 0.3);
}

.social-icons {
    display: flex;
    align-items: center;
    gap: 10px;
}

.social-icons a {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(47, 128, 237, 0.08);
    border-radius: 10px;
    color: var(--secondary-blue);
    font-size: 16px;
    transition: all 0.3s ease;
    border: 1px solid transparent;
}

.social-icons a:hover {
    background: var(--secondary-blue);
    color: #ffffff;
    transform: translateY(-2px) scale(1.05);
    box-shadow: 0 4px 12px rgba(47, 128, 237, 0.3);
}

.social-icons .x-icon-link svg {
    width: 18px;
    height: 18px;
}

/* Menu Toggle (Mobile) */
.menu-toggle {
    display: none;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    padding: 10px;
    border-radius: 10px;
    background: rgba(47, 128, 237, 0.08);
    border: 1px solid transparent;
    cursor: pointer;
    transition: all 0.3s ease;
    flex-shrink: 0;
}

.menu-toggle:hover {
    background: var(--secondary-blue);
    color: #ffffff;
}

.menu-toggle i {
    font-size: 22px;
    color: var(--secondary-blue);
    transition: all 0.3s ease;
}

.menu-toggle:hover i {
    color: #ffffff;
}

/* ========================================
   RESPONSIVE DESIGN
   ======================================== */
@media (max-width: 992px) {
    .nav-content {
        padding: 15px 25px;
        gap: 20px;
    }

    .logo-image {
        height: 60px;
    }

    .nav-menu {
        gap: 6px;
    }

    .nav-menu > li > a {
        font-size: 13px;
        padding: 10px 14px;
    }

    .nav-icons {
        gap: 10px;
    }

    .social-icons {
        gap: 8px;
    }

    .social-icons a {
        width: 38px;
        height: 38px;
        font-size: 15px;
    }

    .nav-search-toggle,
    .nav-icons .fa-search {
        width: 38px;
        height: 38px;
        font-size: 16px;
    }
    .nav-search-dropdown {
        min-width: 280px;
    }
}

@media (max-width: 768px) {
    .top-bar {
        padding: 8px 0;
    }

    .top-bar .container {
        padding: 0 15px;
    }

    .top-bar .d-flex.justify-content-between {
        flex-direction: column !important;
        gap: 6px;
        align-items: stretch !important;
    }

    .top-bar .contact-info {
        display: flex !important;
        flex-direction: row !important;
        justify-content: space-between;
        align-items: center;
        gap: 8px;
        width: 100%;
    }

    .top-bar .contact-item {
        font-size: 12px;
        padding: 2px 0;
    }

    .top-bar .contact-item i {
        font-size: 12px;
        width: 14px;
    }

    .top-bar-right {
        display: flex !important;
        flex-direction: row !important;
        align-items: center !important;
        gap: 10px;
        width: 100%;
    }

    .top-bar-articles-link {
        padding: 4px 10px;
        font-size: 12px;
        border-radius: 6px;
    }

    .top-bar .language-switcher {
        display: flex !important;
        flex-direction: row !important;
        align-items: center !important;
        gap: 8px;
    }

    .top-bar .language-flag {
        width: 26px;
        height: 26px;
        border-radius: 6px;
    }

    .navbar {
        padding: 0;
    }

    .nav-content {
        padding: 10px 15px;
        flex-wrap: nowrap;
        gap: 10px;
    }

    .logo-small {
        order: 1;
        flex: 1;
    }

    .logo-image {
        height: 45px;
    }

    .menu-toggle {
        display: flex !important;
        order: 3;
        z-index: 1002;
    }

    .nav-menu {
        position: fixed !important;
        left: -110% !important;
        top: 0 !important;
        width: 300px !important;
        max-width: 85vw !important;
        height: 100vh !important;
        background: var(--bg-white) !important;
        flex-direction: column !important;
        align-items: flex-start !important;
        padding: 80px 20px 30px !important;
        box-shadow: none !important;
        transition: left 0.35s ease !important;
        overflow-y: auto !important;
        z-index: 1001 !important;
        gap: 0 !important;
        border-right: 1px solid var(--border-light);
        display: flex !important;
    }

    .nav-menu.active {
        left: 0 !important;
        box-shadow: var(--shadow-xl) !important;
    }

    .nav-menu > li {
        width: 100%;
        border-bottom: 1px solid var(--border-light);
    }

    .nav-menu > li > a {
        width: 100%;
        padding: 16px 0;
        font-size: 14px;
        border-radius: 0;
    }

    .nav-menu > li > a::before {
        display: none;
    }

    .nav-menu > li > a:hover,
    .nav-menu > li > a.active {
        background: rgba(47, 128, 237, 0.08);
        padding-left: 20px;
    }

    .nav-menu ul.sub-menu,
    .nav-menu ul.children {
        position: static !important;
        width: 100% !important;
        box-shadow: none !important;
        border: none !important;
        padding: 0 !important;
        margin: 0 !important;
        background: rgba(47, 128, 237, 0.03) !important;
        border-radius: 0 !important;
        max-height: 0 !important;
        overflow: hidden !important;
        opacity: 1 !important;
        visibility: visible !important;
        transform: none !important;
        transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1) !important;
    }

    .nav-menu > li.menu-item-has-children.active > ul.sub-menu,
    .nav-menu > li.page_item_has_children.active > ul.children {
        max-height: 2000px !important;
        padding: 8px 0 !important;
    }

    .nav-menu .sub-menu > li > a,
    .nav-menu .children > li > a {
        padding: 12px 20px 12px 35px !important;
        font-size: 13px !important;
    }

    .nav-menu .sub-menu > li > a:hover {
        padding-left: 40px !important;
    }

    .nav-icons {
        display: flex !important;
        order: 2;
        gap: 8px;
    }

    .social-icons {
        display: none !important;
    }

    .nav-search-toggle,
    .nav-icons .fa-search {
        width: 38px;
        height: 38px;
        font-size: 16px;
    }

    .nav-search-dropdown {
        min-width: 260px;
        right: 0;
        left: auto;
    }
}

@media (max-width: 576px) {
    .top-bar {
        padding: 6px 0;
    }

    .top-bar .container {
        padding: 0 12px;
    }

    .top-bar .contact-info {
        gap: 8px;
    }

    .top-bar .contact-item {
        font-size: 11px;
    }

    .top-bar .contact-item i {
        font-size: 11px;
        width: 12px;
    }

    .top-bar .contact-item span {
        white-space: nowrap;
    }

    .top-bar-articles-link {
        padding: 3px 8px;
        font-size: 11px;
    }

    .top-bar .language-switcher {
        gap: 6px;
    }

    .top-bar .language-flag {
        width: 24px;
        height: 24px;
    }

    .nav-content {
        padding: 8px 12px;
        gap: 8px;
    }

    .logo-image {
        height: 40px;
    }

    .menu-toggle {
        width: 38px;
        height: 38px;
        padding: 8px;
    }

    .menu-toggle i {
        font-size: 20px;
    }

    .nav-menu.active {
        width: 100%;
        max-width: 100vw;
        padding: 70px 15px 20px;
    }

    .nav-menu > li > a {
        font-size: 13px;
        padding: 14px 0;
    }

    .nav-icons {
        gap: 6px;
    }

    .nav-search-toggle,
    .nav-icons .fa-search {
        width: 36px;
        height: 36px;
        font-size: 15px;
    }

    .nav-search-dropdown {
        min-width: 220px;
        right: -50px;
    }

    .social-icons {
        display: none;
    }
}

/* Overlay pour menu mobile */
.nav-menu-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    /* background: rgba(0, 0, 0, 0.5); */
    z-index: 1000;
    opacity: 0;
    transition: opacity 0.3s ease;
    backdrop-filter: blur(4px);
}

.nav-menu-overlay.active {
    /* display: block; */
    opacity: 1;
}

/* Animation pour le scroll */
.navbar.scrolled .nav-content {
    padding: 12px 40px;
}

@media (max-width: 768px) {
    .navbar.scrolled .nav-content {
        padding: 10px 15px;
    }
}