:root {
    --h-primary: #0f3d39;
    --h-gold: #cca43b;
    --h-bg: rgba(255, 255, 255, 0.98);
    --h-green-btn: #42b883; 
    --h-green-btn-hover: #369f6e;
    --h-font: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    --h-shadow: 0 15px 35px -5px rgba(0,0,0,0.1);
    --h-transition: cubic-bezier(0.22, 1, 0.36, 1);
}




.site-header-tab {
    position: fixed;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    z-index: 9999;
    
    width: 87%;            
    max-width: 1100px;     
    height: 60px;          
    
    background: var(--h-bg);
    border-radius: 0 0 30px 30px;
    border: 1px solid rgba(0,0,0,0.06);
    border-top: 0; 
    
    box-shadow: var(--h-shadow);
    transition: all 0.4s var(--h-transition);
}


.site-header-tab::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 5%;
    right: 5%;
    height: 1px;
    background: linear-gradient(90deg, 
        transparent, 
        rgba(15, 61, 57, 0.12) 50%, 
        transparent
    );
    opacity: 0;
    transition: opacity 0.4s;
}


.site-header-tab.is-scrolled {
    width: 92%;          
    max-width: 1150px;
    height: 68px;        
    border-radius: 0 0 22px 22px;
    background: rgba(255, 255, 255, 0.92);
    backdrop-filter: blur(12px) saturate(180%);
    box-shadow: 0 8px 32px rgba(0,0,0,0.14);
}

.site-header-tab.is-scrolled::after {
    opacity: 1;
}

.header-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 100%;
    padding: 0 30px; 
    transition: padding 0.4s ease;
}




.header-logo {
    flex-shrink: 0;
    display: flex;
    align-items: center;
    height: 100%;
}

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

.header-logo img {
    height: 52px;
    width: auto;
    max-height: 80%;     
    object-fit: contain;
    display: block;
    transition: height 0.4s var(--h-transition);
    animation: fadeInLogo 0.6s ease-out;
}

.site-header-tab.is-scrolled .header-logo img {
    height: 38px;
}




.main-navigation-center {
    flex-grow: 1;
    display: flex;
    justify-content: center;
}

.nav-menu-row {
    display: flex !important;
    list-style: none !important;
    margin: 0 !important;
    padding: 0 !important;
    gap: 42px;
    align-items: center; 
}

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

.nav-menu-row > li > a {
    text-decoration: none;
    color: var(--h-primary);
    font-family: var(--h-font);
    font-weight: 600;
    font-size: 1.05rem;
    letter-spacing: -0.02em;
    transition: all 0.2s ease;
    white-space: nowrap; 
    position: relative;
    display: inline-flex; 
    align-items: center; 
    line-height: 1.2; 
    padding: 8px 0; 
}


.nav-menu-row > li > a::before {
    content: '';
    position: absolute;
    bottom: 4px; 
    left: 0;
    right: 0;
    height: 2px;
    background: var(--h-green-btn);
    transform: scaleX(0);
    transform-origin: right;
    transition: transform 0.3s var(--h-transition);
    border-radius: 2px;
}

.nav-menu-row > li > a:hover {
    color: var(--h-green-btn);
}

.nav-menu-row > li > a:hover::before {
    transform: scaleX(1);
    transform-origin: left;
}

.nav-menu-row > li > a:active {
    transform: scale(0.97);
}


.menu-item-has-children > a::after {
    content: '';
    display: inline-block;
    width: 0;
    height: 0;
    margin-left: 8px;
    border-left: 4px solid transparent;
    border-right: 4px solid transparent;
    border-top: 5px solid currentColor;
    opacity: 0.4;
    transition: all 0.2s;
    vertical-align: middle;
}

.menu-item-has-children:hover > a::after {
    transform: translateY(2px);
    opacity: 0.7;
}


.site-header-tab.is-scrolled .nav-menu-row > li > a {
    opacity: 0.9;
    font-size: 0.95rem;
}

.site-header-tab.is-scrolled .nav-menu-row > li > a:hover {
    opacity: 1;
}


.nav-menu-row .sub-menu {
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%) translateY(15px);
    background: #fff;
    list-style: none !important;
    margin: 0 !important;
    padding: 12px 0 !important;
    min-width: 210px;
    border-radius: 14px;
    box-shadow: 0 12px 40px rgba(0,0,0,0.12), 0 0 0 1px rgba(0,0,0,0.04);
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s var(--h-transition);
    margin-top: 8px !important;
}

.nav-menu-row .sub-menu::before {
    content: '';
    position: absolute;
    top: -6px;
    left: 50%;
    transform: translateX(-50%);
    width: 12px;
    height: 12px;
    background: #fff;
    border-radius: 2px;
    rotate: 45deg;
    box-shadow: -2px -2px 4px rgba(0,0,0,0.04);
}

.nav-menu-row .sub-menu li {
    list-style: none !important;
    display: block;
}

.nav-menu-row li:hover .sub-menu {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(0);
}

.nav-menu-row .sub-menu li a {
    display: block;
    padding: 10px 24px;
    color: var(--h-primary);
    text-decoration: none;
    font-size: 0.92rem;
    font-weight: 500;
    transition: all 0.2s;
    border-radius: 8px;
    margin: 0 8px;
    white-space: nowrap; 
}

.nav-menu-row .sub-menu li a:hover {
    color: var(--h-green-btn);
    background: rgba(66, 184, 131, 0.08);
    transform: translateX(4px);
}




.header-actions {
    flex-shrink: 0;
    display: flex;
    align-items: center;
    gap: 16px;
}


.lang-switch {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border: none;
    background: transparent;
    padding: 0;
    cursor: pointer;
    transition: transform 0.2s ease;
}

.lang-switch:hover {
    transform: scale(1.02);
}

.lang-switch:focus-visible {
    outline: 2px solid rgba(66, 184, 131, 0.4);
    outline-offset: 4px;
    border-radius: 999px;
}

.lang-switch__track {
    position: relative;
    display: inline-flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    padding: 5px;
    width: 96px;
    height: 40px;
    border-radius: 999px;
    background: #e8eef3;
    border: 1px solid rgba(15, 61, 57, 0.15);
    font-weight: 700;
    font-size: 0.75rem;
    letter-spacing: 0.08em;
    color: rgba(15, 61, 57, 0.45);
    text-transform: uppercase;
    transition: all 0.25s ease;
}

.lang-switch__option {
    z-index: 2;
    width: 42px;
    text-align: center;
    transition: all 0.2s;
}

.lang-switch__thumb {
    position: absolute;
    top: 5px;
    left: 5px;
    width: 42px;
    height: 30px;
    border-radius: 999px;
    background: #fff;
    box-shadow: 0 4px 12px rgba(15, 61, 57, 0.15), 0 2px 4px rgba(0,0,0,0.08);
    transition: transform 0.3s var(--h-transition);
    z-index: 1;
}

.lang-switch.is-en .lang-switch__thumb {
    transform: translateX(46px);
}

.lang-switch.is-fr .lang-switch__thumb {
    transform: translateX(0);
}

.lang-switch.is-fr .lang-switch__option:first-of-type,
.lang-switch.is-en .lang-switch__option:last-of-type {
    color: var(--h-primary);
    font-weight: 800;
}

.lang-switch:hover .lang-switch__track,
.lang-switch:focus-visible .lang-switch__track {
    border-color: var(--h-green-btn);
    box-shadow: 0 4px 16px rgba(66, 184, 131, 0.18);
    background: #e3f0eb;
}




.header-linkedin {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    color: var(--h-primary);
    transition: all 0.25s ease;
    padding: 8px;
    border-radius: 6px;
}

.header-linkedin:hover {
    color: #0077b5; 
    background: rgba(0, 119, 181, 0.06);
}

.header-linkedin svg {
    width: 24px;
    height: 24px;
    fill: currentColor;
    transition: transform 0.25s ease;
}

.header-linkedin:hover svg {
    transform: scale(1.1);
}

.site-header-tab.is-scrolled .header-linkedin svg {
    width: 22px;
    height: 22px;
}






.menu-toggle { 
    display: none; 
}

@media (max-width: 900px) {
    
    /* Reset global pour tous les boutons dans le header */
    .site-header-tab button,
    .site-header-tab button:hover,
    .site-header-tab button:focus,
    .site-header-tab button:active {
        -webkit-tap-highlight-color: rgba(0,0,0,0);
    }
    
    .site-header-tab {
        width: 100%;
        max-width: none;
        border-radius: 0;
        height: 65px;
        top: 0;
        border: none;
        border-bottom: 1px solid rgba(0,0,0,0.08);
        box-shadow: 0 2px 12px rgba(0,0,0,0.06);
        background: #ffffff;
    }
    
    .site-header-tab.is-scrolled {
        height: 60px;
        box-shadow: 0 2px 16px rgba(0,0,0,0.1);
    }
    
    .site-header-tab::after {
        display: none;
    }
    
    .header-inner {
        padding: 0 20px;
        gap: 15px;
    }

    .header-logo {
        order: 1;
    }

    .header-logo img { 
        height: 40px; 
    }
    
    .site-header-tab.is-scrolled .header-logo img {
        height: 36px;
    }
    
    /* ==========================================
       BURGER - Reset absolu, zéro bande grise
       ========================================== */
    .menu-toggle,
    .menu-toggle:hover,
    .menu-toggle:focus,
    .menu-toggle:active,
    .menu-toggle:focus-visible,
    .menu-toggle:focus-within,
    .menu-toggle.is-active,
    .menu-toggle.is-active:hover,
    .menu-toggle.is-active:focus,
    .menu-toggle.is-active:active,
    .menu-toggle.is-active:focus-visible {
        display: flex;
        flex-direction: column;
        justify-content: center;
        align-items: center;
        gap: 5px;
        order: 0;
        position: relative;
        width: 44px;
        height: 44px;
        padding: 10px;
        cursor: pointer;
        z-index: 10001;
        background: none;
        background-color: transparent;
        background-image: none;
        border: 0;
        border-radius: 0;
        margin: 0;
        outline: 0;
        box-shadow: none;
        color: inherit;
        -webkit-appearance: none;
        -moz-appearance: none;
        appearance: none;
        -webkit-tap-highlight-color: rgba(0,0,0,0);
        -webkit-touch-callout: none;
        touch-action: manipulation;
    }
    
    .hamburger-line {
        display: block;
        width: 24px;
        height: 2px;
        background: var(--h-primary);
        border-radius: 2px;
        transition: all 0.3s ease;
        pointer-events: none;
    }
    
    .menu-toggle.is-active .hamburger-line:nth-child(1) {
        transform: translateY(7px) rotate(45deg);
    }
    
    .menu-toggle.is-active .hamburger-line:nth-child(2) {
        opacity: 0;
    }
    
    .menu-toggle.is-active .hamburger-line:nth-child(3) {
        transform: translateY(-7px) rotate(-45deg);
    }

    
    .header-actions {
        order: 2;
        gap: 12px;
        margin-left: auto;
    }
    
    .lang-switch {
        display: inline-flex !important;
        -webkit-tap-highlight-color: rgba(0,0,0,0);
    }
    
    .lang-switch__track {
        width: 80px;
        height: 34px;
        padding: 4px;
    }
    
    .lang-switch__option {
        width: 36px;
        font-size: 0.7rem;
    }
    
    .lang-switch__thumb {
        width: 36px;
        height: 26px;
    }
    
    .lang-switch.is-en .lang-switch__thumb {
        transform: translateX(38px);
    }
    
    
    .header-linkedin {
        padding: 6px;
    }
    
    .header-linkedin svg {
        width: 22px;
        height: 22px;
    }

    
    .nav-menu-row {
        display: none !important;
    }

    /* ==========================================
       PANEL MOBILE
       ========================================== */
    .main-navigation-center {
        position: fixed;
        top: 65px;
        left: -100%;
        width: 320px;
        max-width: 85%;
        height: calc(100vh - 65px);
        background: #ffffff !important;
        z-index: 9998;
        overflow-x: hidden;
        overflow-y: auto;
        -webkit-overflow-scrolling: touch;
        transition: left 0.4s var(--h-transition);
        box-shadow: 4px 0 20px rgba(0,0,0,0.1);
        margin: 0 !important;
        padding: 0 !important;
        border: 0;
        float: none;
        text-indent: 0;
    }
    
    .main-navigation-center.toggled {
        left: 0;
    }
    
    .main-navigation-center,
    .main-navigation-center * {
        -webkit-tap-highlight-color: rgba(0,0,0,0);
    }
    
    .main-navigation-center::before {
        content: '';
        position: fixed;
        top: 65px;
        left: -100vw;
        width: 100vw;
        height: calc(100vh - 65px);
        background: rgba(0, 0, 0, 0.5);
        z-index: -1;
        opacity: 0;
        transition: opacity 0.4s ease;
        pointer-events: none;
    }
    
    .main-navigation-center.toggled::before {
        left: 0;
        opacity: 1;
        pointer-events: auto;
    }
    
    .main-navigation-center.toggled .nav-menu-row {
        display: flex !important;
        flex-direction: column;
        padding: 16px 0 !important;
        margin: 0 !important;
        gap: 0;
        background: #ffffff !important;
        list-style: none !important;
        width: 100% !important;
        max-width: 100% !important;
        text-indent: 0 !important;
        border: 0;
        float: none !important;
        position: static !important;
    }
    
    .main-navigation-center.toggled .nav-menu-row > li {
        width: 100% !important;
        max-width: 100% !important;
        border-bottom: 1px solid rgba(0,0,0,0.06);
        list-style: none !important;
        background: #ffffff;
        margin: 0 !important;
        padding: 0 !important;
        float: none !important;
        position: static !important;
        text-indent: 0 !important;
        display: block !important;
    }
    
    .main-navigation-center.toggled .nav-menu-row > li:last-child {
        border-bottom: none;
    }
    
    /* Liens parents */
    .main-navigation-center.toggled .nav-menu-row > li > a {
        display: flex !important;
        align-items: center;
        justify-content: space-between;
        padding: 15px 24px !important;
        margin: 0 !important;
        font-size: 1rem;
        font-weight: 600;
        color: var(--h-primary);
        text-align: left;
        white-space: normal;
        text-decoration: none;
        text-indent: 0 !important;
        width: 100%;
        box-sizing: border-box;
        overflow: visible;
        -webkit-tap-highlight-color: rgba(0,0,0,0);
    }
    
    .main-navigation-center.toggled .nav-menu-row > li > a::before {
        display: none;
    }
    
    .main-navigation-center.toggled .nav-menu-row > li > a:active {
        background: rgba(15, 61, 57, 0.04);
    }
    
    /* Chevron sous-menu */
    .main-navigation-center.toggled .menu-item-has-children > a::after {
        margin-left: auto;
        border-left: 5px solid transparent;
        border-right: 5px solid transparent;
        border-top: 6px solid var(--h-primary);
        opacity: 0.5;
        transition: transform 0.3s ease, opacity 0.3s ease;
    }
    
    .main-navigation-center.toggled .menu-item-has-children.submenu-open > a {
        color: var(--h-green-btn);
    }
    
    .main-navigation-center.toggled .menu-item-has-children.submenu-open > a::after {
        transform: rotate(180deg);
        opacity: 0.8;
        border-top-color: var(--h-green-btn);
    }
    
    /* ==========================================
       SOUS-MENUS - Animation max-height
       ========================================== */
    .main-navigation-center.toggled .sub-menu {
        position: static !important;
        transform: none !important;
        background: #f7f8f9;
        margin: 0 !important;
        padding: 0 !important;
        border-radius: 0;
        box-shadow: inset 0 1px 3px rgba(0,0,0,0.04);
        opacity: 1 !important;
        visibility: visible !important;
        max-height: 0;
        overflow: hidden;
        transition: max-height 0.35s ease;
    }
    
    .main-navigation-center.toggled .sub-menu::before {
        display: none;
    }
    
    .main-navigation-center.toggled .menu-item-has-children.submenu-open .sub-menu {
        max-height: 600px;
    }
    
    .main-navigation-center.toggled .sub-menu li {
        border-bottom: 1px solid rgba(0,0,0,0.04);
    }
    
    .main-navigation-center.toggled .sub-menu li:last-child {
        border-bottom: none;
    }
    
    .main-navigation-center.toggled .sub-menu li a {
        display: block;
        padding: 13px 24px 13px 40px;
        color: #555;
        text-decoration: none;
        font-size: 0.92rem;
        font-weight: 500;
        margin: 0;
        border-radius: 0;
        background: transparent;
        transition: background 0.15s ease, color 0.15s ease;
        white-space: normal;
        -webkit-tap-highlight-color: rgba(0,0,0,0);
    }
    
    .main-navigation-center.toggled .sub-menu li a:active {
        background: rgba(66, 184, 131, 0.08);
        color: var(--h-green-btn);
    }
    
    /* Footer mobile */
    .mobile-menu-footer {
        display: none;
        padding: 20px 24px;
        border-top: 1px solid rgba(0,0,0,0.08);
        background: #fafafa;
    }
    
    .main-navigation-center.toggled .mobile-menu-footer {
        display: flex;
        flex-direction: column;
        gap: 16px;
        align-items: center;
    }
}




@media (max-width: 400px) {
    .header-inner {
        padding: 0 16px;
    }
    
    .header-logo img {
        height: 36px;
    }
    
    .main-navigation-center {
        width: 280px;
    }
    
    .header-linkedin svg {
        width: 20px;
        height: 20px;
    }
}