/* ================================================
   MODERN MENU DESIGN - DORA Regulation
   Version: 2.0
   Features: Glassmorphism, Animations, Mega Menu
   ================================================ */

:root {
    --nav-primary: #007BFF;
    --nav-secondary: #6c5ce7;
    --nav-gradient: linear-gradient(135deg, #007BFF 0%, #6c5ce7 100%);
    --nav-text: #2c3e50;
    --nav-text-light: #7f8c8d;
    --nav-bg: rgba(255, 255, 255, 0.95);
    --nav-glass: rgba(255, 255, 255, 0.8);
    --nav-shadow: 0 8px 32px rgba(0, 0, 0, 0.08);
    --nav-hover: rgba(0, 123, 255, 0.08);
    --nav-border: rgba(255, 255, 255, 0.18);
    --nav-transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ================================================
   NAVIGATION CONTAINER
   ================================================ */
.modern-nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 9999;
    background: var(--nav-glass);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--nav-border);
    box-shadow: var(--nav-shadow);
    transition: var(--nav-transition);
}

.modern-nav.scrolled {
    background: var(--nav-bg);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.12);
}

.nav-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 2rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 60px;
    transition: var(--nav-transition);
}

.modern-nav.scrolled .nav-container {
    height: 55px;
}

/* ================================================
   BRAND / LOGO
   ================================================ */
.nav-brand {
    flex-shrink: 0;
}

.brand-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
    transition: var(--nav-transition);
}

.brand-logo:hover {
    transform: translateY(-2px);
}

.brand-logo svg {
    flex-shrink: 0;
    width: 32px;
    height: 32px;
}

.brand-text {
    font-size: 18px;
    font-weight: 700;
    color: var(--nav-text);
    letter-spacing: -0.3px;
}

.brand-sub {
    font-weight: 400;
    color: var(--nav-text-light);
    font-size: 14px;
}

/* ================================================
   NAVIGATION MENU
   ================================================ */
.nav-menu {
    display: flex;
    align-items: center;
    gap: 8px;
    list-style: none;
    margin: 0;
    padding: 0;
    flex: 1;
    justify-content: center;
}

.nav-item {
    position: relative;
}

.nav-link {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 8px 12px;
    color: var(--nav-text);
    text-decoration: none;
    font-weight: 500;
    font-size: 14px;
    border-radius: 6px;
    transition: var(--nav-transition);
    position: relative;
}

.nav-link svg {
    flex-shrink: 0;
    opacity: 0.6;
    transition: var(--nav-transition);
    width: 16px;
    height: 16px;
}

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

.nav-link:hover svg {
    opacity: 1;
    transform: translateY(-1px);
}

.dropdown-icon {
    transition: var(--nav-transition);
}

.nav-item:hover .dropdown-icon,
.nav-item.active .dropdown-icon,
.nav-item.menu-open .dropdown-icon {
    transform: rotate(180deg);
}

/* ================================================
   MEGA MENU
   ================================================ */
.mega-menu {
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%);
    margin-top: 0;
    padding-top: 20px;
    background: var(--nav-glass);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-radius: 16px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.15);
    border: 1px solid var(--nav-border);
    padding: 24px;
    min-width: 650px;
    opacity: 0;
    visibility: hidden;
    transform: translateX(-50%) translateY(-10px);
    transition: var(--nav-transition);
    pointer-events: none;
}

/* Zone invisible pour faciliter le survol */
.mega-menu::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 20px;
    background: transparent;
}

.nav-item.has-mega-menu:hover .mega-menu,
.nav-item.has-mega-menu.menu-open .mega-menu {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(0);
    pointer-events: all;
}

.mega-menu-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 32px;
    background: var(--nav-glass);
    border-radius: 16px;
    padding: 4px;
}

.mega-menu-section h3 {
    font-size: 14px;
    font-weight: 600;
    color: var(--nav-text-light);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin: 0 0 16px 0;
}

.mega-menu-item {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 12px;
    border-radius: 12px;
    text-decoration: none;
    transition: var(--nav-transition);
    margin-bottom: 8px;
}

.mega-menu-item:hover {
    background: var(--nav-hover);
    transform: translateX(4px);
}

.pillar-icon {
    width: 36px;
    height: 36px;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 16px;
    color: white;
    flex-shrink: 0;
}

.pillar-1 { background: linear-gradient(135deg, #667eea 0%, #764ba2 100%); }
.pillar-2 { background: linear-gradient(135deg, #f093fb 0%, #f5576c 100%); }
.pillar-3 { background: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%); }
.pillar-4 { background: linear-gradient(135deg, #43e97b 0%, #38f9d7 100%); }
.pillar-5 { background: linear-gradient(135deg, #fa709a 0%, #fee140 100%); }

.pillar-content {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.pillar-title {
    font-weight: 600;
    color: var(--nav-text);
    font-size: 14px;
}

.pillar-desc {
    font-size: 12px;
    color: var(--nav-text-light);
}

.mega-menu-cta {
    background: var(--nav-gradient);
    border-radius: 12px;
    padding: 24px;
    color: white;
    text-align: center;
}

.mega-menu-cta h4 {
    margin: 0 0 8px 0;
    font-size: 18px;
}

.mega-menu-cta p {
    margin: 0 0 16px 0;
    opacity: 0.9;
    font-size: 14px;
}

.cta-button {
    display: inline-block;
    background: white;
    color: var(--nav-primary);
    padding: 10px 24px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    transition: var(--nav-transition);
}

.cta-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 16px rgba(0, 0, 0, 0.2);
}

/* ================================================
   DROPDOWN MENU
   ================================================ */
.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    margin-top: 0;
    padding-top: 12px;
    background: var(--nav-glass);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-radius: 12px;
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.12);
    border: 1px solid var(--nav-border);
    padding: 8px;
    min-width: 220px;
    list-style: none;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: var(--nav-transition);
    pointer-events: none;
}

/* Zone invisible pour faciliter le survol */
.dropdown-menu::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 12px;
    background: transparent;
}

.nav-item.has-dropdown:hover .dropdown-menu,
.nav-item.has-dropdown.menu-open .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
    pointer-events: all;
}

.dropdown-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px 12px;
    color: var(--nav-text);
    text-decoration: none;
    border-radius: 6px;
    font-size: 13px;
    transition: var(--nav-transition);
}

.dropdown-item:hover {
    background: var(--nav-hover);
    color: var(--nav-primary);
    transform: translateX(4px);
}

.dropdown-item svg {
    opacity: 0.6;
    width: 14px;
    height: 14px;
}

/* ================================================
   NAVIGATION ACTIONS
   ================================================ */
.nav-actions {
    display: flex;
    align-items: center;
    gap: 12px;
}

.nav-action-btn {
    width: 36px;
    height: 36px;
    border-radius: 8px;
    border: none;
    background: transparent;
    color: var(--nav-text);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--nav-transition);
}

.nav-action-btn svg {
    width: 18px;
    height: 18px;
}

.nav-action-btn:hover {
    background: var(--nav-hover);
    color: var(--nav-primary);
}

.nav-cta-btn {
    display: flex;
    align-items: center;
    gap: 6px;
    background: var(--nav-gradient);
    color: white;
    padding: 8px 16px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    font-size: 13px;
    transition: var(--nav-transition);
    box-shadow: 0 2px 8px rgba(0, 123, 255, 0.25);
}

.nav-cta-btn svg {
    width: 16px;
    height: 16px;
}

.nav-cta-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 123, 255, 0.4);
}

/* ================================================
   MOBILE TOGGLE
   ================================================ */
.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    width: 40px;
    height: 40px;
    border: none;
    background: transparent;
    cursor: pointer;
    padding: 8px;
    border-radius: 8px;
    transition: var(--nav-transition);
}

.nav-toggle:hover {
    background: var(--nav-hover);
}

.toggle-line {
    width: 100%;
    height: 2px;
    background: var(--nav-text);
    border-radius: 2px;
    transition: var(--nav-transition);
}

.nav-toggle.active .toggle-line:nth-child(1) {
    transform: rotate(45deg) translate(6px, 6px);
}

.nav-toggle.active .toggle-line:nth-child(2) {
    opacity: 0;
}

.nav-toggle.active .toggle-line:nth-child(3) {
    transform: rotate(-45deg) translate(6px, -6px);
}

/* ================================================
   SEARCH OVERLAY
   ================================================ */
.search-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    z-index: 10000;
    display: flex;
    align-items: flex-start;
    justify-content: center;
    padding-top: 10vh;
    opacity: 0;
    visibility: hidden;
    transition: var(--nav-transition);
}

.search-overlay.active {
    opacity: 1;
    visibility: visible;
}

.search-container {
    width: 90%;
    max-width: 700px;
    background: rgba(26, 26, 46, 0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-radius: 20px;
    padding: 32px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
    transform: translateY(-30px);
    transition: var(--nav-transition);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.search-overlay.active .search-container {
    transform: translateY(0);
}

.search-close {
    position: absolute;
    top: 24px;
    right: 24px;
    width: 40px;
    height: 40px;
    border: none;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 10px;
    color: white;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--nav-transition);
}

.search-close:hover {
    background: rgba(255, 255, 255, 0.2);
}

.search-input-wrapper {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 16px 20px;
    background: rgba(255, 255, 255, 0.95);
    border-radius: 12px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    border: 2px solid rgba(102, 126, 234, 0.2);
}

.search-input-wrapper:focus-within {
    border-color: rgba(102, 126, 234, 0.5);
    box-shadow: 0 4px 20px rgba(102, 126, 234, 0.3);
}

.search-input-wrapper svg {
    color: #667eea;
    flex-shrink: 0;
}

#searchInput {
    flex: 1;
    border: none;
    outline: none;
    font-size: 18px;
    color: #2c3e50;
    font-weight: 500;
}

#searchInput::placeholder {
    color: #95a5a6;
}

.search-suggestions {
    margin-top: 24px;
}

.search-suggestion-title {
    font-size: 13px;
    font-weight: 600;
    color: white;
    opacity: 0.7;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 12px;
}

.search-suggestion-item {
    display: block;
    padding: 12px 16px;
    color: white;
    text-decoration: none;
    border-radius: 10px;
    margin-bottom: 8px;
    transition: var(--nav-transition);
}

.search-suggestion-item:hover {
    background: rgba(255, 255, 255, 0.1);
    transform: translateX(4px);
}

/* ================================================
   SEARCH RESULTS
   ================================================ */
.search-results {
    margin-top: 24px;
    max-height: 500px;
    overflow-y: auto;
    display: none;
}

.search-results-header {
    font-size: 13px;
    font-weight: 600;
    color: white;
    opacity: 0.7;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 16px;
}

.search-result-item {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 16px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 12px;
    margin-bottom: 12px;
    text-decoration: none;
    transition: var(--nav-transition);
    border: 2px solid transparent;
}

.search-result-item:hover,
.search-result-item.focused {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.2);
    transform: translateX(4px);
}

.search-result-icon {
    font-size: 32px;
    flex-shrink: 0;
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 10px;
}

.search-result-content {
    flex: 1;
}

.search-result-title {
    font-size: 16px;
    font-weight: 600;
    color: white;
    margin-bottom: 4px;
}

.search-result-title mark {
    background: rgba(0, 123, 255, 0.3);
    color: #4facfe;
    padding: 2px 4px;
    border-radius: 4px;
}

.search-result-desc {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.7);
}

.search-result-desc mark {
    background: rgba(0, 123, 255, 0.2);
    color: #4facfe;
    padding: 2px 4px;
    border-radius: 4px;
}

.search-result-category {
    font-size: 12px;
    padding: 4px 12px;
    background: rgba(0, 123, 255, 0.2);
    color: #4facfe;
    border-radius: 20px;
    font-weight: 600;
    flex-shrink: 0;
}

.search-no-results {
    text-align: center;
    padding: 48px 24px;
    color: white;
}

.search-no-results svg {
    margin: 0 auto 24px;
    opacity: 0.3;
}

.search-no-results h3 {
    font-size: 20px;
    margin-bottom: 8px;
}

.search-no-results p {
    color: rgba(255, 255, 255, 0.7);
    font-size: 14px;
}

/* ================================================
   SCROLL PROGRESS BAR
   ================================================ */
.scroll-progress {
    position: absolute;
    bottom: 0;
    left: 0;
    height: 3px;
    background: var(--nav-gradient);
    width: 0%;
    transition: width 0.1s ease;
    border-radius: 0 3px 0 0;
}

/* ================================================
   RESPONSIVE - TABLET
   ================================================ */
@media (max-width: 1024px) {
    .nav-container {
        padding: 0 1.5rem;
    }

    .nav-menu {
        gap: 4px;
    }

    .nav-link {
        padding: 8px 12px;
        font-size: 14px;
    }

    .mega-menu {
        min-width: 550px;
    }
}

/* ================================================
   RESPONSIVE - MOBILE
   ================================================ */
@media (max-width: 768px) {
    .nav-container {
        height: 70px;
        padding: 0 1rem;
    }

    .brand-text {
        font-size: 20px;
    }

    .brand-sub {
        display: none;
    }

    .nav-toggle {
        display: flex;
    }

    .nav-menu {
        position: fixed;
        top: 70px;
        left: 0;
        right: 0;
        bottom: 0;
        background: var(--nav-bg);
        flex-direction: column;
        align-items: stretch;
        justify-content: flex-start;
        padding: 24px;
        gap: 8px;
        transform: translateX(-100%);
        transition: var(--nav-transition);
        overflow-y: auto;
    }

    .nav-menu.active {
        transform: translateX(0);
    }

    .nav-link {
        width: 100%;
        justify-content: space-between;
    }

    .mega-menu,
    .dropdown-menu {
        position: static;
        opacity: 1;
        visibility: visible;
        transform: none;
        margin: 8px 0;
        min-width: 100%;
        max-height: 0;
        overflow: hidden;
        padding: 0;
    }

    .nav-item.active .mega-menu,
    .nav-item.active .dropdown-menu {
        max-height: 1000px;
        padding: 16px;
    }

    .mega-menu-content {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .nav-cta-btn {
        display: none;
    }

    .search-container {
        width: 95%;
        padding: 24px;
    }
}

/* ================================================
   ANIMATIONS
   ================================================ */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.nav-item {
    animation: fadeInUp 0.5s ease backwards;
}

.nav-item:nth-child(1) { animation-delay: 0.1s; }
.nav-item:nth-child(2) { animation-delay: 0.15s; }
.nav-item:nth-child(3) { animation-delay: 0.2s; }
.nav-item:nth-child(4) { animation-delay: 0.25s; }
.nav-item:nth-child(5) { animation-delay: 0.3s; }