/* ==========================================================================
   HEADER.CSS — Mission Formations
   All header styles extracted from index.html
   Uses global.css variable names
   ========================================================================== */


/* ==========================================================================
   1. QUALIOPI TOP BAR
   ========================================================================== */

.qualiopi-bar {
    background-color: var(--color-text);
    color: white;
    padding: 12px 0;
    font-size: 13px;
    font-weight: 500;
}

.qualiopi-bar-content {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 40px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 15px;
}

.qualiopi-info {
    display: flex;
    align-items: center;
    gap: 25px;
    flex-wrap: wrap;
}

.qualiopi-badge {
    background: var(--gradient-brand);
    padding: 4px 12px;
    border-radius: 4px;
    font-weight: 600;
    font-size: 12px;
}

.qualiopi-contact {
    display: flex;
    gap: 20px;
    align-items: center;
}

.qualiopi-contact a {
    color: white;
    text-decoration: none;
    transition: color 0.2s;
}

.qualiopi-contact a:hover {
    color: var(--color-accent);
}


/* ==========================================================================
   2. MAIN HEADER
   ========================================================================== */

.main-header {
    background-color: white;
    border-bottom: 1px solid #e5e7eb;
    box-shadow: 0 2px 8px rgba(9, 101, 208, 0.08);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.header-content {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 40px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 85px;
}


/* ==========================================================================
   3. LOGO
   ========================================================================== */

.logo {
    font-family: var(--font-title);
    font-size: 28px;
    font-weight: 700;
    color: var(--color-text);
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 12px;
    letter-spacing: -0.5px;
}

.logo-m {
    font-size: 40px;
    background: var(--gradient-brand);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-weight: 900;
}

.logo-text {
    display: flex;
    flex-direction: column;
    line-height: 1.1;
}

.logo-main {
    font-size: 22px;
    letter-spacing: 2px;
}

.logo-tagline {
    font-size: 11px;
    font-weight: 400;
    color: #666;
    letter-spacing: 1px;
}


/* ==========================================================================
   4. NAVIGATION
   ========================================================================== */

.main-nav {
    display: flex;
    gap: 28px;
    align-items: center;
}

.nav-item {
    position: relative;
}

.nav-link {
    font-family: var(--font-title);
    color: var(--color-text);
    text-decoration: none;
    font-size: 14px;
    font-weight: 600;
    padding: 10px 0;
    display: block;
    transition: all 0.2s;
    letter-spacing: 0.3px;
    text-transform: uppercase;
}

.nav-link:hover {
    color: var(--color-primary);
}


/* ==========================================================================
   5. DROPDOWNS
   ========================================================================== */

.dropdown {
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%);
    margin-top: 8px;
    background: white;
    border: 1px solid #e5e7eb;
    border-radius: 12px;
    box-shadow: 0 12px 32px rgba(9, 101, 208, 0.15);
    min-width: 280px;
    opacity: 0;
    visibility: hidden;
    transform: translateX(-50%) translateY(-10px);
    transition: all 0.3s ease;
    z-index: 1000;
}

/* Bridge element to prevent hover gap between nav-link and dropdown */
.nav-item::after {
    content: '';
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    height: 12px;
}

.nav-item:hover .dropdown {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(0);
}

.nav-item:focus-within .dropdown {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(0);
}

.dropdown-section {
    padding: 8px 0;
}

.dropdown-section:not(:last-child) {
    border-bottom: 1px solid #f3f4f6;
}

.dropdown-title {
    padding: 10px 20px;
    font-size: 11px;
    font-weight: 700;
    color: #999;
    text-transform: uppercase;
    letter-spacing: 0.8px;
    font-family: var(--font-title);
}

.dropdown a {
    display: block;
    padding: 12px 20px;
    color: var(--color-text);
    text-decoration: none;
    font-size: 14px;
    transition: all 0.2s;
    font-weight: 500;
}

.dropdown a:hover {
    background: linear-gradient(90deg, rgba(9, 101, 208, 0.08) 0%, rgba(1, 232, 174, 0.08) 100%);
    color: var(--color-primary);
    padding-left: 28px;
    border-left: 3px solid var(--color-primary);
}

.dropdown a strong {
    color: var(--color-primary);
}

/* -- Dropdown two columns -- */

.dropdown-two-col {
    min-width: 560px;
    display: flex;
}

.dropdown-col {
    flex: 1;
    padding: 8px 0;
}

.dropdown-col:not(:last-child) {
    border-right: 1px solid #f3f4f6;
}

/* -- Dropdown submenu (accordion) -- */

.dropdown-submenu {
    position: relative;
}

.submenu-parent {
    position: relative;
    padding-right: 34px !important;
}

.submenu-parent::after {
    content: "\25B8";
    position: absolute;
    right: 20px;
    top: 50%;
    transform: translateY(-50%);
    color: #6b7280;
    font-size: 11px;
}

.dropdown-submenu:hover .submenu-parent::after,
.dropdown-submenu:focus-within .submenu-parent::after {
    color: var(--color-primary);
}

.submenu-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.22s ease;
    background: #f8fbff;
    border-left: 3px solid transparent;
}

.dropdown-submenu:hover .submenu-content,
.dropdown-submenu:focus-within .submenu-content {
    max-height: 100px;
    border-left-color: var(--color-primary);
}

.submenu-content a {
    padding-left: 36px !important;
    font-size: 13px;
}


/* ==========================================================================
   6. MON ESPACE BUTTON
   ========================================================================== */

.header-actions {
    display: flex;
    gap: 15px;
    align-items: center;
    margin-left: 20px;
    flex-shrink: 0;
}

.mon-espace {
    position: relative;
}

.mon-espace::after {
    content: '';
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    height: 12px;
}

.mon-espace-btn {
    background: none;
    border: 2px solid var(--color-primary);
    color: var(--color-primary);
    padding: 8px 20px;
    border-radius: 8px;
    cursor: pointer;
    font-size: 14px;
    font-weight: 600;
    font-family: var(--font-title);
    transition: all 0.3s;
    display: flex;
    align-items: center;
    gap: 8px;
}

.mon-espace-btn:hover {
    background: var(--gradient-brand);
    color: white;
    border-color: transparent;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(9, 101, 208, 0.3);
}

.mon-espace-dropdown {
    position: absolute;
    top: 100%;
    right: 0;
    margin-top: 8px;
    background: white;
    border: 1px solid #e5e7eb;
    border-radius: 12px;
    box-shadow: 0 12px 32px rgba(9, 101, 208, 0.15);
    min-width: 280px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all 0.3s;
    z-index: 1000;
    overflow: hidden;
}

.mon-espace:hover .mon-espace-dropdown {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.dropdown-header-section {
    padding: 12px 20px;
    font-size: 11px;
    font-weight: 700;
    color: white;
    text-transform: uppercase;
    letter-spacing: 0.8px;
    font-family: var(--font-title);
    background: var(--gradient-brand);
}

.dropdown-header-section.audit {
    background: var(--color-text);
}

.mon-espace-dropdown a {
    display: flex;
    flex-direction: column;
    padding: 14px 20px;
    color: var(--color-text);
    text-decoration: none;
    border-bottom: 1px solid #f3f4f6;
    transition: all 0.2s;
}

.mon-espace-dropdown a:last-child {
    border-bottom: none;
}

.mon-espace-dropdown a:hover {
    background: linear-gradient(90deg, rgba(9, 101, 208, 0.08) 0%, rgba(1, 232, 174, 0.08) 100%);
    padding-left: 24px;
}

.espace-title {
    font-weight: 600;
    font-size: 15px;
    margin-bottom: 3px;
}

.espace-subtitle {
    font-size: 12px;
    color: #7f8c8d;
    font-weight: 400;
}


/* ==========================================================================
   7. CTA BUTTON (header version)
   ========================================================================== */

.cta-btn {
    background: var(--gradient-brand);
    color: white;
    padding: 10px 24px;
    border-radius: 8px;
    text-decoration: none;
    font-size: 14px;
    font-weight: 700;
    font-family: var(--font-title);
    transition: all 0.3s;
    border: none;
    cursor: pointer;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.cta-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(9, 101, 208, 0.4);
}

/* -- Prevent last nav dropdowns from overflowing to the right -- */
.nav-item:nth-last-child(-n+2) .dropdown:not(.dropdown-two-col) {
    left: auto;
    right: 0;
    transform: translateY(-10px);
}

.nav-item:nth-last-child(-n+2):hover .dropdown:not(.dropdown-two-col),
.nav-item:nth-last-child(-n+2):focus-within .dropdown:not(.dropdown-two-col) {
    transform: translateY(0);
}

/* -- Mon espace dropdown higher z-index to stay on top -- */
.mon-espace-dropdown {
    z-index: 1100;
}

/* -- Prevent nav dropdowns from overlapping header-actions area -- */
.nav-item:last-child .dropdown {
    left: auto;
    right: -20px;
    transform: translateY(-10px);
}

.nav-item:last-child:hover .dropdown,
.nav-item:last-child:focus-within .dropdown {
    transform: translateY(0);
}


/* ==========================================================================
   8. MOBILE HAMBURGER TOGGLE (hidden on desktop)
   ========================================================================== */

.mobile-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 5px;
    z-index: 1100;
}

.mobile-toggle span {
    display: block;
    width: 26px;
    height: 3px;
    background-color: var(--color-text);
    border-radius: 2px;
    transition: all 0.3s ease;
}

/* Animate hamburger into X when nav is open */
.mobile-toggle.active span:nth-child(1) {
    transform: translateY(8px) rotate(45deg);
}

.mobile-toggle.active span:nth-child(2) {
    opacity: 0;
}

.mobile-toggle.active span:nth-child(3) {
    transform: translateY(-8px) rotate(-45deg);
}


/* ==========================================================================
   9. RESPONSIVE — screens < 768px
   ========================================================================== */

@media (max-width: 767px) {

    /* -- Top bar adjustments -- */
    .qualiopi-bar-content {
        padding: 0 20px;
        flex-direction: column;
        text-align: center;
        gap: 8px;
    }

    .qualiopi-info {
        justify-content: center;
        gap: 12px;
    }

    .qualiopi-contact {
        justify-content: center;
        gap: 12px;
        flex-wrap: wrap;
    }

    /* -- Header layout -- */
    .header-content {
        padding: 0 20px;
        height: 65px;
    }

    /* -- Logo scales down -- */
    .logo {
        font-size: 22px;
        gap: 8px;
    }

    .logo-m {
        font-size: 32px;
    }

    .logo-main {
        font-size: 17px;
    }

    .logo-tagline {
        font-size: 9px;
    }

    /* -- Show hamburger, hide desktop nav & actions -- */
    .mobile-toggle {
        display: flex;
    }

    .main-nav,
    .header-actions {
        display: none;
    }

    /* -- Mobile nav when .active -- */
    .main-nav.active {
        display: flex;
        flex-direction: column;
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        background: white;
        padding: 90px 24px 40px;
        gap: 0;
        overflow-y: auto;
        z-index: 1050;
        animation: slideIn 0.3s ease;
    }

    @keyframes slideIn {
        from { opacity: 0; transform: translateY(-12px); }
        to   { opacity: 1; transform: translateY(0); }
    }

    .main-nav.active .nav-item {
        width: 100%;
        border-bottom: 1px solid #f0f0f0;
    }

    .main-nav.active .nav-link {
        padding: 16px 0;
        font-size: 16px;
    }

    /* -- Mobile dropdowns: static, toggled via .open -- */
    .main-nav.active .dropdown {
        position: static;
        transform: none;
        margin-top: 0;
        box-shadow: none;
        border: none;
        border-radius: 0;
        min-width: 100%;
        opacity: 0;
        visibility: hidden;
        max-height: 0;
        overflow: hidden;
        transition: max-height 0.3s ease, opacity 0.3s ease;
    }

    .main-nav.active .nav-item.open .dropdown {
        opacity: 1;
        visibility: visible;
        max-height: 600px;
    }

    .main-nav.active .dropdown a {
        padding: 12px 16px;
    }

    .main-nav.active .dropdown a:hover {
        padding-left: 22px;
    }

    /* -- Two-col dropdown stacks on mobile -- */
    .main-nav.active .dropdown-two-col {
        min-width: 100%;
        flex-direction: column;
    }

    .main-nav.active .dropdown-col:not(:last-child) {
        border-right: none;
        border-bottom: 1px solid #f3f4f6;
    }

    /* -- Header actions visible inside mobile nav -- */
    .header-actions.active {
        display: flex;
        flex-direction: column;
        width: 100%;
        margin-left: 0;
        padding-top: 16px;
        gap: 12px;
    }

    .header-actions.active .mon-espace-btn,
    .header-actions.active .cta-btn {
        width: 100%;
        justify-content: center;
        text-align: center;
    }

    /* -- Mon espace dropdown on mobile -- */
    .header-actions.active .mon-espace-dropdown {
        position: static;
        transform: none;
        margin-top: 8px;
        box-shadow: none;
        border: 1px solid #e5e7eb;
        border-radius: 8px;
        opacity: 0;
        visibility: hidden;
        max-height: 0;
        overflow: hidden;
        transition: max-height 0.3s ease, opacity 0.3s ease;
    }

    .header-actions.active .mon-espace.open .mon-espace-dropdown {
        opacity: 1;
        visibility: visible;
        max-height: 500px;
    }
}