/* ========================================================================================================================
           DESIGN TOKENS & SYSTEME COMPOSANT APPARENCE
           ======================================================================================================================== */
        :root {
            --color-navy-base:      #0B1F3A; 
            --color-gold-mineral:   #C9A227; 
            --color-emerald-gabon:  #008C6E; 
            --color-canvas-pure:    #FEFCF8; 
            --color-gray-subtle:    #F4F6F9; 
            --color-text-dark:      #111827; 
            --color-text-muted:     #4B5563; 
            --color-white:          #FFFFFF;

            --font-display: 'Playfair Display', Georgia, serif;
            --font-interface: 'DM Sans', -apple-system, sans-serif;

            --max-width: 1440px;
            --gutter: 24px;
        }

        /* Reset Global & Comportement de défilement */
        *, *::before, *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--font-interface);
            background-color: var(--color-canvas-pure);
            color: var(--color-text-dark);
            line-height: 1.6;
            -webkit-font-smoothing: antialiased;
            overflow-x: hidden;
        }

        .container {
            width: 100%;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 var(--gutter);
        }

        h1, h2, h3, h4 {
            font-family: var(--font-display);
            color: var(--color-navy-base);
            font-weight: 700;
        }

        section {
            padding: 30px 0;
            border-bottom: 1px solid rgba(11, 31, 58, 0.06);
            background-color: #F4F6F9;
        }

        .section-title {
            font-size: 2.8rem;
            margin-bottom: 60px;
            position: relative;
            display: inline-block;
        }

        .section-title::after {
            content: '';
            position: absolute;
            left: 0;
            bottom: -12px;
            width: 80px;
            height: 3px;
            background-color: var(--color-gold-mineral);
        }

        /* ANIMATION SCROLL REVEAL (CSS CLASSE) */
        .reveal {
            opacity: 0;
            transform: translateY(30px);
            transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1), transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
        }

        .reveal.active {
            opacity: 1;
            transform: translateY(0);
        }

        /* COMPOSANT : BOUTONS GÉOMÉTRIQUES */
        .btn-geometric {
            display: inline-flex;
            align-items: center;
            gap: 12px;
            padding: 18px 36px;
            font-family: var(--font-interface);
            font-weight: 600;
            text-transform: uppercase;
            letter-spacing: 0.08em;
            text-decoration: none;
            font-size: 0.75rem;
            transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
            cursor: pointer;
            clip-path: polygon(0 0, calc(100% - 12px) 0, 100% 12px, 100% 100%, 12px 100%, 0 calc(100% - 12px));
        }

        .btn-emerald {
            background-color: var(--color-emerald-gabon);
            color: var(--color-white);
            border: none;
        }

        .btn-emerald:hover {
            background-color: #006e56;
            transform: scale(1.02);
        }

        .btn-ghost {
            background-color: transparent;
            color: var(--color-white);
            border: 1px solid rgba(255, 255, 255, 0.3);
        }

        .btn-ghost:hover {
            background-color: rgba(255, 255, 255, 0.1);
            border-color: var(--color-white);
        }

        /* ========================================================================================================================
           STRUCTURE INTERFACE ET CALQUES ARCHITECTURAUX
           ======================================================================================================================== */
        
        /* HEADER AVEC EFFET BLUR & GLASSMORPHISM */
        .global-header {
            background-color: rgba(11, 31, 58, 0.95);
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
            color: var(--color-white);
            padding: 24px 0;
            position: sticky;
            top: 0;
            z-index: 1000;
            transition: all 0.4s ease;
            border-bottom: 1px solid rgba(201, 162, 39, 0.15);
        }

        .global-header.scrolled {
            padding: 14px 0;
            background-color: rgba(11, 31, 58, 0.98);
            box-shadow: 0 10px 30px rgba(0,0,0,0.1);
        }

        .header-wrap {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        .logo-area {
            font-family: var(--font-display);
            font-size: 2rem;
            font-weight: 900;
            letter-spacing: -0.02em;
        }

        .logo-area span {
            color: var(--color-gold-mineral);
        }

        .nav-grid-links {
            display: flex;
            list-style: none;
            gap: 32px;
        }

        .nav-grid-links a {
            color: rgba(255, 255, 255, 0.75);
            text-decoration: none;
            font-size: 0.9rem;
            font-weight: 500;
            letter-spacing: 0.03em;
            transition: color 0.3s ease;
        }

        .nav-grid-links a:hover, .nav-grid-links .active a {
            color: var(--color-gold-mineral);
        }

        .nav-dropdown {
            position: relative;
        }

        .nav-dropdown-toggle {
            display: inline-flex;
            align-items: center;
            gap: 7px;
        }

        .nav-dropdown-toggle span {
            color: var(--color-gold-mineral);
            font-size: 0.85rem;
            transition: transform 0.25s ease;
        }

        .nav-dropdown-menu {
            position: absolute;
            top: calc(100% + 22px);
            left: -18px;
            z-index: 20;
            display: grid;
            min-width: 220px;
            padding: 10px;
            list-style: none;
            background: rgba(11, 31, 58, 0.98);
            border: 1px solid rgba(201, 162, 39, 0.25);
            box-shadow: 0 18px 40px rgba(0, 0, 0, 0.24);
            opacity: 0;
            visibility: hidden;
            transform: translateY(-8px);
            transition: opacity 0.2s ease, visibility 0.2s ease, transform 0.2s ease;
        }

        .nav-dropdown-menu-wide {
            min-width: 245px;
        }

        .nav-dropdown-menu li {
            margin: 0;
        }

        .nav-dropdown-menu a {
            display: block;
            padding: 10px 12px;
            white-space: nowrap;
            font-size: 0.82rem;
        }

        .nav-dropdown:hover .nav-dropdown-menu,
        .nav-dropdown:focus-within .nav-dropdown-menu {
            opacity: 1;
            visibility: visible;
            transform: translateY(0);
        }

        .nav-dropdown:hover .nav-dropdown-toggle span,
        .nav-dropdown:focus-within .nav-dropdown-toggle span {
            transform: rotate(180deg);
        }

        .mobile-submenu-toggle,
        .mobile-submenu {
            display: none;
        }

        .portal-cta {
            border: 1px solid var(--color-gold-mineral);
            padding: 12px 24px;
            color: var(--color-gold-mineral);
            text-decoration: none;
            font-size: 0.85rem;
            font-weight: 600;
            letter-spacing: 0.05em;
            transition: all 0.3s ease;
        }

        .portal-cta:hover {
            background-color: var(--color-gold-mineral);
            color: var(--color-navy-base);
        }

        /* SECTION 1: MASTER SOUVERAIN HERO (PANORAMA CONTINU) */
        .hero-sovereign {
            min-height: 85vh;
            display: flex;
            align-items: center;
            color: var(--color-white);
            padding: 0;
        }

        .gouvernance {
            background: linear-gradient(rgba(11, 31, 58, 0.75), rgba(11, 31, 58, 0.92)), 
                        url('../assets/img/gouvernace.jpg') no-repeat center center/cover;
                        min-height: 85vh;
        }
        .investir {
            background: linear-gradient(rgba(11, 31, 58, 0.75), rgba(11, 31, 58, 0.92)), 
                        url('../assets/img/investir.jpg') no-repeat center center/cover;
        }

        .accueil {
            background: linear-gradient(rgba(11, 31, 58, 0.75), rgba(11, 31, 58, 0.92)), 
                        url('../assets/logo/Logo-Umiga.png') no-repeat center center/contain;
        }
        .minier {
            background: linear-gradient(rgba(11, 31, 58, 0.75), rgba(11, 31, 58, 0.92)), 
                        url('../assets/img/industry-engineering.jpg') no-repeat center center/cover;
        }

        .about {
            background: linear-gradient(rgba(11, 31, 58, 0.75), rgba(11, 31, 58, 0.92)), 
                        url('../assets/img/about.jpg') no-repeat center center/cover;
        }

        .hero-content-box {
            max-width: 950px;
        }

        .hero-eyebrow {
            font-size: 0.95rem;
            text-transform: uppercase;
            letter-spacing: 0.25em;
            color: var(--color-gold-mineral);
            margin-bottom: 25px;
            display: block;
            font-weight: 600;
        }

        .hero-title {
            font-size: 2.5rem;
            font-weight: 900;
            line-height: 1.12;
            color: var(--color-white);
            margin-bottom: 20px;
        }

        .hero-subtitle {
            font-size: 1.3rem;
            color: rgba(255, 255, 255, 0.75);
            margin-bottom: 50px;
            max-width: 800px;
            font-weight: 300;
        }

        .hero-actions {
            display: flex;
            gap: 24px;
        }

        /* SECTION 2: INFOGRAPHIE COMPTEURS NUMÉRIQUES ANIMÉS */
        .scoreboard-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: var(--gutter);
            margin-bottom: var(--gutter);
        }

        .premium-card-hud {
            background: var(--color-white);
            border-left: 4px solid var(--color-emerald-gabon);
            padding: 35px 30px;
            border-radius: 4px;
            box-shadow: 0 4px 24px rgba(11, 31, 58, 0.03);
            transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
        }

        .premium-card-hud:hover {
            transform: translateY(-8px);
            border-left-color: var(--color-gold-mineral);
            box-shadow: 0 24px 48px rgba(11, 31, 58, 0.1);
        }

        .metric-label {
            font-size: 0.85rem;
            text-transform: uppercase;
            letter-spacing: 0.08em;
            color: var(--color-text-muted);
            margin-bottom: 12px;
            font-weight: 600;
        }

        .metric-value {
            font-size: 2.6rem;
            font-weight: 700;
            color: var(--color-navy-base);
            margin-bottom: 15px;
        }

        .progress-bar-container {
            height: 4px;
            background-color: var(--color-gray-subtle);
            border-radius: 2px;
            overflow: hidden;
        }

        .progress-bar-fill {
            height: 100%;
            background-color: var(--color-emerald-gabon);
            width: 0%; /* Piloté dynamiquement via JS */
            transition: width 1.5s ease-out;
        }

        .scoreboard-bottom-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: var(--gutter);
        }

        /* SIMULATION DE FLUX DE DONNÉES GRAPHICS */
        .mock-graph-box {
            height: 140px;
            background: linear-gradient(180deg, rgba(201, 162, 39, 0.06) 0%, rgba(254, 252, 248, 0) 100%);
            border-bottom: 2px solid var(--color-gold-mineral);
            margin-top: 20px;
            display: flex;
            align-items: flex-end;
            gap: 12px;
            padding: 0 15px;
        }

        .graph-bar-mock {
            flex: 1;
            background-color: rgba(11, 31, 58, 0.08);
            height: 20%;
            transition: height 1s ease-in-out;
        }

        /* SECTION 3: FOCUS PRÉSIDENCE EDITEUR */
        .executive-composition {
            display: grid;
            grid-template-columns: 45% 55%;
            gap: 80px;
            align-items: center;
        }

        .portrait-wrapper {
            position: relative;
            background-color: var(--color-navy-base);
            padding: 16px;
            box-shadow: 0 40px 80px rgba(11, 31, 58, 0.12);
        }

        .portrait-placeholder {
            width: 100%;
            height: 520px;
            background: linear-gradient(45deg, #cbd5e1, #94a3b8);
            object-fit: cover;
        }

        .portrait-meta {
            position: absolute;
            bottom: -20px;
            right: -20px;
            background-color: var(--color-white);
            padding: 24px 35px;
            border-left: 4px solid var(--color-gold-mineral);
            box-shadow: 0 20px 40px rgba(0,0,0,0.08);
        }

        .portrait-name {
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--color-navy-base);
        }

        .portrait-title {
            font-size: 0.85rem;
            text-transform: uppercase;
            color: var(--color-text-muted);
            letter-spacing: 0.08em;
            margin-top: 4px;
        }

        .statement-quote {
            font-family: var(--font-display);
            font-size: 2.3rem;
            line-height: 1.45;
            color: var(--color-navy-base);
            margin-bottom: 40px;
            position: relative;
        }

        /* SECTION 5: INTERACTIF MODULE GIS GÉOLOGIQUE */
        .gis-panel-layout {
            display: grid;
            grid-template-columns: 340px 1fr;
            gap: var(--gutter);
            background-color: var(--color-navy-base);
            color: var(--color-white);
            padding: 30px;
            border-radius: 6px;
            box-shadow: 0 30px 60px rgba(11, 31, 58, 0.15);
        }

        .gis-controls {
            background-color: rgba(255, 255, 255, 0.03);
            padding: 30px 24px;
            border-radius: 4px;
            border: 1px solid rgba(255, 255, 255, 0.06);
        }

        .gis-header-sub {
            font-size: 0.85rem;
            text-transform: uppercase;
            letter-spacing: 0.12em;
            color: var(--color-gold-mineral);
            margin-bottom: 24px;
            font-weight: 700;
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
            padding-bottom: 8px;
        }

        .layer-checkbox {
            display: flex;
            align-items: center;
            gap: 14px;
            margin-bottom: 18px;
            font-size: 0.95rem;
            cursor: pointer;
            transition: opacity 0.3s ease;
        }

        .layer-checkbox input {
            accent-color: var(--color-gold-mineral);
            width: 16px;
            height: 16px;
        }

        .metadata-inspector {
            background-color: rgba(0, 0, 0, 0.3);
            padding: 20px;
            border-radius: 4px;
            font-size: 0.9rem;
            border-left: 2px solid var(--color-gold-mineral);
        }

        .metadata-line {
            margin-bottom: 10px;
            display: flex;
            justify-content: space-between;
        }

        .metadata-line span:first-child {
            color: rgba(255,255,255,0.6);
        }

        .metadata-line span:last-child {
            font-weight: 600;
            color: var(--color-white);
        }

        .gis-vector-canvas {
            background: radial-gradient(circle at center, #1a365d 0%, #081629 100%);
            height: 580px;
            position: relative;
            overflow: hidden;
            border-radius: 4px;
            border: 1px solid rgba(255, 255, 255, 0.08);
        }

        /* GIS — SVG MAP STYLES */
        .gabon-map-svg {
            width: 100%;
            height: 100%;
            display: block;
        }

        .gabon-territory { transition: fill 0.3s ease; }

        .rail-path {
            stroke-dasharray: 20;
            stroke-dashoffset: 20;
            animation: riverDraw 2.8s ease-out forwards 0.6s;
        }

        @keyframes riverDraw { to { stroke-dashoffset: 0; } }

        .map-province-label {
            fill: rgba(255,255,255,0.22);
            font-size: 8.5px;
            font-family: var(--font-interface);
            text-transform: uppercase;
            letter-spacing: 0.05em;
            pointer-events: none;
            user-select: none;
        }

        .map-rail-label {
            fill: rgba(255,210,130,0.65);
            font-size: 7.5px;
            font-family: var(--font-interface);
            font-style: italic;
            pointer-events: none;
            user-select: none;
        }

        .map-ocean-label {
            fill: rgba(100,170,255,0.18);
            font-size: 8px;
            font-family: var(--font-interface);
            font-style: italic;
            pointer-events: none;
            user-select: none;
        }

        .map-capital-label {
            fill: rgba(255,255,255,0.76);
            font-size: 8.5px;
            font-family: var(--font-interface);
            font-weight: 600;
            pointer-events: none;
            user-select: none;
        }

        .map-compass-n {
            fill: rgba(255,255,255,0.65);
            font-size: 7.5px;
            font-family: var(--font-interface);
            font-weight: 700;
        }

        .map-scale-label {
            fill: rgba(255,255,255,0.36);
            font-size: 7px;
            font-family: var(--font-interface);
        }

        /* Nœuds SVG */
        .gis-node {
            cursor: pointer;
            transform-box: fill-box;
            transform-origin: center;
            transition: transform 0.22s ease, filter 0.22s ease;
            filter: drop-shadow(0 0 4px rgba(255,255,255,0.1));
        }

        .gis-node:hover {
            transform: scale(1.55);
            filter: drop-shadow(0 0 9px currentColor);
        }

        .gis-node.active {
            transform: scale(1.85);
            filter: drop-shadow(0 0 14px currentColor) brightness(1.35);
        }

        /* Couches SVG */
        .gis-layer { transition: opacity 0.35s ease; }
        .gis-layer.hidden { opacity: 0.07; pointer-events: none; }

        /* Dot indicateur couche */
        .layer-dot {
            display: inline-block;
            width: 10px;
            height: 10px;
            border-radius: 50%;
            flex-shrink: 0;
        }

        /* Légende */
        .gis-legend { display: flex; flex-direction: column; gap: 8px; margin-top: 4px; }

        .legend-item {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 0.8rem;
            color: rgba(255,255,255,0.5);
        }

        .legend-dot {
            display: inline-block;
            width: 8px;
            height: 8px;
            border-radius: 50%;
            flex-shrink: 0;
        }

        /* Afficheur de coordonnées */
        .gis-coord-display {
            margin-top: 20px;
            padding: 10px 12px;
            background: rgba(0,0,0,0.35);
            border-radius: 3px;
            font-size: 0.68rem;
            color: rgba(255,255,255,0.34);
            letter-spacing: 0.06em;
            font-family: 'Courier New', monospace;
            text-align: center;
        }

        /* Tooltip hover */
        .map-tooltip {
            position: absolute;
            background: rgba(8,22,41,0.96);
            border: 1px solid rgba(201,162,39,0.42);
            color: white;
            padding: 10px 14px;
            border-radius: 4px;
            font-size: 0.8rem;
            pointer-events: none;
            opacity: 0;
            transition: opacity 0.18s ease;
            z-index: 20;
            white-space: nowrap;
            line-height: 1.6;
            max-width: 220px;
        }

        .map-tooltip.visible { opacity: 1; }

        .map-tooltip strong {
            display: block;
            color: var(--color-gold-mineral);
            font-size: 0.86rem;
            margin-bottom: 2px;
        }

        .gis-sem-brief {
            margin-top: 18px;
            background: rgba(0, 0, 0, 0.25);
            border-radius: 4px;
            padding: 18px 20px;
            border-left: 2px solid rgba(201,162,39,0.65);
            font-size: 0.9rem;
            line-height: 1.6;
        }

        .gis-sem-brief ul {
            margin: 12px 0 10px 18px;
            padding: 0;
            list-style: square;
            color: rgba(255,255,255,0.85);
        }

        .gis-sem-brief li { margin-bottom: 6px; }

        .gis-sem-brief strong { color: var(--color-gold-mineral); }

        .gis-sem-brief .sem-source {
            display: block;
            margin-top: 6px;
            font-size: 0.75rem;
            color: rgba(255,255,255,0.45);
            letter-spacing: 0.04em;
            text-transform: uppercase;
        }

        .ogooue-brief {
            margin-top: 16px;
            padding: 18px 20px;
            background: rgba(8, 22, 41, 0.55);
            border-radius: 4px;
            border-left: 2px solid rgba(94, 196, 255, 0.55);
            font-size: 0.9rem;
            line-height: 1.55;
        }

        .ogooue-brief ol {
            margin: 10px 0 12px 18px;
            padding: 0;
            counter-reset: province;
        }

        .ogooue-brief li {
            margin-bottom: 6px;
            color: rgba(255,255,255,0.85);
        }

        .ogooue-brief strong { color: #5ec4ff; }

        .ogooue-brief .ogooue-foot {
            margin: 8px 0 0;
            font-size: 0.85rem;
            color: rgba(255,255,255,0.7);
        }

        /* SECTION 4, 6, 7 & 8 GRID STYLES */
        .matrix-grid, .commodity-grid, .logo-wall-matrix, .esg-dashboard-layout {
            display: grid;
            gap: var(--gutter);
        }

        .matrix-grid { grid-template-columns: repeat(3, 1fr); }
        .commodity-grid { grid-template-columns: repeat(4, 1fr); }
        .logo-wall-matrix { grid-template-columns: repeat(4, 1fr); }
        .esg-dashboard-layout { grid-template-columns: repeat(2, 1fr); }

        .pillar-card, .commodity-card {
            background-color: var(--color-white);
            padding: 40px;
            border-radius: 4px;
            box-shadow: 0 4px 20px rgba(0,0,0,0.01);
            border: 1px solid rgba(11, 31, 58, 0.05);
            transition: all 0.3s ease;
        }

        .pillar-card:hover, .commodity-card:hover {
            border-color: var(--color-gold-mineral);
            transform: translateY(-4px);
            box-shadow: 0 12px 30px rgba(11, 31, 58, 0.05);
        }

        .pillar-id {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--color-gold-mineral);
            margin-bottom: 20px;
            display: block;
        }

        .commodity-card { border-top: 4px solid var(--color-gold-mineral); }
        .commodity-rank {
            font-size: 0.85rem;
            color: var(--color-emerald-gabon);
            font-weight: 700;
            margin-bottom: 15px;
            text-transform: uppercase;
            display: block;
        }

        /* RÉSEAU LOGOS AVEC FILTRE FLUIDE */
        .member-logo-card {
            height: 110px;
            background-color: var(--color-white);
            display: flex;
            align-items: center;
            justify-content: center;
            border: 1px solid rgba(11, 31, 58, 0.05);
            font-weight: 700;
            color: rgba(11, 31, 58, 0.4);
            letter-spacing: 0.05em;
            font-size: 0.95rem;
            transition: all 0.3s ease;
            cursor: default;
        }

        .member-logo-card:hover {
            color: var(--color-navy-base);
            border-color: var(--color-gold-mineral);
            box-shadow: 0 10px 25px rgba(0,0,0,0.04);
        }

        /* ESG MODULE */
        .esg-metric-box {
            background-color: var(--color-white);
            padding: 40px;
            border-radius: 4px;
            border-left: 4px solid var(--color-emerald-gabon);
            box-shadow: 0 4px 20px rgba(0,0,0,0.01);
        }

        .esg-meta-label {
            font-size: 1.3rem;
            font-weight: 700;
            margin-bottom: 15px;
            color: var(--color-navy-base);
        }

        /* SECTION 9: ARCHIVE REPERTOIRE INTELLIGENCE */
        .newsroom-matrix {
            display: grid;
            grid-template-columns: 58% 42%;
            gap: var(--gutter);
        }

        .news-card-cover {
            width: 100%;
            aspect-ratio: 16 / 9;
            border-radius: 6px;
            background-color: rgba(11, 31, 58, 0.15);
            background-size: cover;
            background-position: center;
        }

        .news-category {
            display: inline-block;
            font-size: 0.75rem;
            letter-spacing: 0.18em;
            text-transform: uppercase;
            color: var(--color-gold-mineral);
            margin-top: 22px;
        }

        .news-meta {
            font-size: 0.85rem;
            color: rgba(11, 31, 58, 0.6);
            margin-top: auto;
        }

        .featured-intel-card {
            background: var(--color-navy-base);
            color: var(--color-white);
            padding: 40px;
            display: flex;
            flex-direction: column;
            border-radius: 6px;
            gap: 18px;
            min-height: 100%;
        }

        .featured-intel-card h3 {
            color: var(--color-white);
            font-size: 2rem;
            margin: 0;
            line-height: 1.25;
        }

        .featured-intel-card .news-meta {
            color: rgba(255, 255, 255, 0.75);
        }

        .secondary-intel-column {
            display: flex;
            flex-direction: column;
            gap: var(--gutter);
        }

        .secondary-intel-column .premium-card-hud {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .news-directory-header {
            display: flex;
            align-items: flex-end;
            justify-content: space-between;
            gap: var(--gutter);
            margin-bottom: 30px;
        }

        .news-directory-meta span {
            font-size: 0.9rem;
            color: var(--color-text-muted);
        }

        .news-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
            gap: var(--gutter);
            margin-top: 30px;
        }

        .news-card {
            background-color: var(--color-white);
            border-radius: 6px;
            border: 1px solid rgba(11, 31, 58, 0.05);
            padding: 24px;
            box-shadow: 0 8px 24px rgba(11, 31, 58, 0.05);
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

        .news-card-body {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .news-card h3 {
            margin: 0;
            font-size: 1.2rem;
            color: var(--color-navy-base);
        }

        .news-card p {
            color: rgba(11, 31, 58, 0.7);
            line-height: 1.5;
            font-size: 0.95rem;
        }

        .news-card-meta {
            display: flex;
            gap: 12px;
            font-size: 0.85rem;
            color: rgba(11, 31, 58, 0.55);
        }

        /* FEATURED COVER INSIDE DARK CARD */
        .featured-cover {
            aspect-ratio: 16 / 9;
            border-radius: 4px;
            flex-shrink: 0;
        }

        /* SECONDARY CARD THUMBNAIL */
        .secondary-thumb {
            width: 100%;
            aspect-ratio: 16 / 7;
            border-radius: 4px;
            background-size: cover;
            background-position: center;
            flex-shrink: 0;
        }

        /* MINI NEWS GRID (Row 2 on homepage) */
        .news-mini-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: var(--gutter);
            margin-top: var(--gutter);
        }

        .news-mini-card {
            background: var(--color-white);
            border-radius: 6px;
            border: 1px solid rgba(11,31,58,0.06);
            overflow: hidden;
            box-shadow: 0 4px 16px rgba(11,31,58,0.04);
        }

        .news-mini-thumb {
            width: 100%;
            aspect-ratio: 16 / 9;
            background-size: cover;
            background-position: center;
        }

        .news-mini-body {
            display: flex;
            flex-direction: column;
            gap: 8px;
            padding: 18px;
        }

        .news-mini-body strong {
            font-size: 0.97rem;
            color: var(--color-navy-base);
            line-height: 1.35;
        }

        /* ARTICLE COVER IMAGE */
        .article-cover-figure {
            margin: 0 0 36px;
            border-radius: 8px;
            overflow: hidden;
        }

        .article-cover-img {
            width: 100%;
            display: block;
            max-height: 480px;
            object-fit: cover;
            border-radius: 8px;
        }

        /* CLICKABLE CARD RESETS */
        .news-card-link {
            text-decoration: none;
            color: inherit;
            display: flex;
            flex-direction: column;
            cursor: pointer;
            transition: transform 0.25s ease, box-shadow 0.25s ease;
        }

        .news-card-link:hover {
            transform: translateY(-4px);
            box-shadow: 0 16px 40px rgba(11, 31, 58, 0.1);
        }

        .news-card-link h3,
        .news-card-link h4 {
            transition: color 0.2s ease;
        }

        .news-card-link:hover h3,
        .news-card-link:hover h4 {
            color: var(--color-emerald-gabon);
        }

        /* ARTICLE DETAIL PAGE */
        .hero-article {
            display: flex;
            align-items: flex-end;
            padding-bottom: 60px;
        }

        .article-back-link {
            display: inline-block;
            color: rgba(255,255,255,0.75);
            font-size: 0.85rem;
            text-decoration: none;
            margin-bottom: 18px;
            letter-spacing: 0.05em;
            transition: color 0.2s;
        }

        .article-back-link:hover { color: var(--color-gold-mineral); }

        .article-meta-line {
            display: flex;
            align-items: center;
            gap: 10px;
            color: rgba(255,255,255,0.75);
            font-size: 0.9rem;
            margin-top: 14px;
        }

        .meta-sep { opacity: 0.5; }

        .article-content-section { padding: 80px 0 100px; }

        .article-layout {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 60px;
            align-items: flex-start;
        }

        .article-lead {
            font-size: 1.25rem;
            line-height: 1.6;
            color: rgba(11,31,58,0.8);
            font-weight: 400;
            border-left: 4px solid var(--color-gold-mineral);
            padding-left: 20px;
            margin-bottom: 32px;
        }

        .article-richtext {
            font-size: 1.05rem;
            line-height: 1.8;
            color: rgba(11,31,58,0.85);
        }

        .article-richtext h2,
        .article-richtext h3 { color: var(--color-navy-base); margin: 32px 0 16px; }

        .article-richtext p { margin-bottom: 20px; }

        .article-richtext img {
            max-width: 100%;
            border-radius: 4px;
            margin: 24px 0;
        }

        .article-richtext ul,
        .article-richtext ol {
            padding-left: 24px;
            margin-bottom: 20px;
        }

        .article-richtext blockquote {
            border-left: 4px solid var(--color-emerald-gabon);
            margin: 24px 0;
            padding: 12px 20px;
            background: rgba(11,31,58,0.03);
            font-style: italic;
        }

        /* SIDEBAR */
        .article-sidebar {
            position: sticky;
            top: 100px;
            display: flex;
            flex-direction: column;
            gap: 28px;
        }

        .sidebar-block {
            background: var(--color-white);
            border: 1px solid rgba(11,31,58,0.07);
            border-radius: 6px;
            padding: 24px;
        }

        .sidebar-title {
            font-size: 0.8rem;
            text-transform: uppercase;
            letter-spacing: 0.12em;
            color: var(--color-text-muted);
            margin-bottom: 18px;
            font-weight: 700;
        }

        .sidebar-news-item {
            display: flex;
            flex-direction: column;
            gap: 5px;
            padding: 14px 0;
            border-bottom: 1px solid rgba(11,31,58,0.06);
            text-decoration: none;
            color: inherit;
            transition: color 0.2s;
        }

        .sidebar-news-item:last-of-type { border-bottom: none; }

        .sidebar-news-item:hover strong { color: var(--color-emerald-gabon); }

        .sidebar-news-cat {
            font-size: 0.72rem;
            text-transform: uppercase;
            letter-spacing: 0.12em;
            color: var(--color-gold-mineral);
            font-weight: 700;
        }

        .sidebar-news-item strong {
            font-size: 0.92rem;
            color: var(--color-navy-base);
            line-height: 1.35;
            transition: color 0.2s;
        }

        .sidebar-news-date {
            font-size: 0.8rem;
            color: rgba(11,31,58,0.5);
        }

        /* SECTION 10: INSTITUTIONNEL TIMELINE HORIZONTALE */
        .timeline-container {
            position: relative;
            padding: 60px 0;
            display: flex;
            justify-content: space-between;
        }

        .timeline-line {
            position: absolute;
            top: 50%;
            left: 0;
            width: 100%;
            height: 2px;
            background-color: rgba(11, 31, 58, 0.08);
            z-index: 1;
        }

        .timeline-node {
            position: relative;
            background-color: var(--color-canvas-pure);
            z-index: 2;
            width: 30%;
            padding-right: 25px;
        }

        .node-date {
            display: inline-block;
            background-color: var(--color-navy-base);
            color: var(--color-white);
            padding: 6px 16px;
            font-size: 0.8rem;
            font-weight: 700;
            margin-bottom: 20px;
            letter-spacing: 0.05em;
        }

        /* COALITION RECOGNITION PANEL */
        .sovereign-coalition {
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 40px;
            opacity: 0.65;
        }

        .alliance-logo {
            font-weight: 700;
            font-size: 0.9rem;
            color: var(--color-text-muted);
            text-transform: uppercase;
            letter-spacing: 0.08em;
        }

        /* DEEP INDEX FOOTER */
        .deep-footer {
            background-color: var(--color-navy-base);
            color: var(--color-white);
            padding: 100px 0 40px 0;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 25% 20% 20% 30%;
            gap: 20px;
            margin-bottom: 50px;
        }

        .footer-column h4 {
            color: var(--color-gold-mineral);
            font-size: 1.1rem;
            margin-bottom: 30px;
            font-family: var(--font-interface);
            text-transform: uppercase;
            letter-spacing: 0.08em;
        }

        .footer-links {
            list-style: none;
        }

        .footer-links li {
            margin-bottom: 14px;
        }

        .footer-links a {
            color: rgba(255, 255, 255, 0.65);
            text-decoration: none;
            transition: color 0.3s ease;
            font-size: 0.95rem;
        }

        .footer-links a:hover {
            color: var(--color-white);
        }

        .newsletter-interface {
            margin-top: 25px;
            display: flex;
        }

        .newsletter-input {
            background-color: rgba(255, 255, 255, 0.04);
            border: 1px solid rgba(255, 255, 255, 0.1);
            padding: 16px;
            color: var(--color-white);
            font-family: var(--font-interface);
            width: 100%;
            outline: none;
        }

        .newsletter-interface .btn-geometric {
            padding: 16px 24px;
        }

        .footer-bottom-bar {
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            padding-top: 40px;
            display: flex;
            justify-content: space-between;
            font-size: 0.9rem;
            color: rgba(255, 255, 255, 0.45);
        }
        .footer-flag {
    display: flex; align-items: center; gap: 0.6rem;
    font-size: 0.75rem; color: rgba(245,240,232,0.3);
  }
  .flag-bar {
    display: flex; height: 14px; width: 30px; overflow: hidden; border-radius: 1px;
  }
  .flag-green { flex: 1; background: #009A44; }
  .flag-yellow { flex: 1; background: #FCD116; }
  .flag-blue { flex: 1; background: #3A75C4; }

/* ================================================================
   NAVIGATION RESPONSIVE — HAMBURGER & OVERLAY
   ================================================================ */

.logo-area {
    text-decoration: none;
    color: var(--color-white);
}

.header-right {
    display: flex;
    align-items: center;
    gap: 20px;
}

/* BOUTON HAMBURGER */
.hamburger {
    display: none;
    flex-direction: column;
    justify-content: space-between;
    width: 26px;
    height: 18px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0;
    flex-shrink: 0;
    z-index: 1100;
}

.hamburger span {
    display: block;
    height: 2px;
    width: 100%;
    background: var(--color-white);
    border-radius: 2px;
    transition: transform 0.35s cubic-bezier(0.77, 0, 0.175, 1),
                opacity  0.35s cubic-bezier(0.77, 0, 0.175, 1);
    transform-origin: center;
}

.hamburger.open span:nth-child(1) { transform: translateY(8px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; transform: scaleX(0); }
.hamburger.open span:nth-child(3) { transform: translateY(-8px) rotate(-45deg); }

/* OVERLAY NAVIGATION MOBILE */
.mobile-menu {
    position: fixed;
    inset: 0;
    background-color: var(--color-navy-base);
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-16px);
    transition: opacity 0.4s ease,
                visibility 0.4s ease,
                transform 0.4s ease;
}

.mobile-menu.active {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.mobile-menu nav ul {
    list-style: none;
    padding: 0;
}

.mobile-menu nav li {
    margin-bottom: 24px;
    opacity: 0;
    transform: translateY(12px);
    transition: opacity 0.3s ease, transform 0.3s ease;
}

.mobile-menu.active nav li {
    opacity: 1;
    transform: translateY(0);
}

.mobile-menu.active nav li:nth-child(1) { transition-delay: 0.05s; }
.mobile-menu.active nav li:nth-child(2) { transition-delay: 0.10s; }
.mobile-menu.active nav li:nth-child(3) { transition-delay: 0.15s; }
.mobile-menu.active nav li:nth-child(4) { transition-delay: 0.20s; }
.mobile-menu.active nav li:nth-child(5) { transition-delay: 0.25s; }
.mobile-menu.active nav li:nth-child(6) { transition-delay: 0.30s; }
.mobile-menu.active nav li:nth-child(7) { transition-delay: 0.35s; }
.mobile-menu.active nav li:nth-child(8) { transition-delay: 0.40s; }
.mobile-menu.active nav li:nth-child(9) { transition-delay: 0.45s; }

.mobile-nav-group {
    display: block;
}

.mobile-submenu-toggle {
    align-items: center;
    justify-content: center;
    gap: 12px;
    width: 100%;
    padding: 0;
    border: 0;
    background: transparent;
    color: rgba(255, 255, 255, 0.82);
    cursor: pointer;
    font-family: var(--font-display);
    font-size: 2.2rem;
    font-weight: 700;
    letter-spacing: -0.01em;
}

.mobile-submenu-toggle span {
    color: var(--color-gold-mineral);
    font-family: var(--font-interface);
    font-size: 1.5rem;
    font-weight: 400;
    transition: transform 0.25s ease;
}

.mobile-nav-group.open .mobile-submenu-toggle,
.mobile-submenu-toggle:hover {
    color: var(--color-gold-mineral);
}

.mobile-nav-group.open .mobile-submenu-toggle span {
    transform: rotate(45deg);
}

.mobile-submenu {
    display: none;
    margin: 14px 0 4px;
    padding: 0;
    list-style: none;
}

.mobile-nav-group.open .mobile-submenu {
    display: block;
}

.mobile-menu nav .mobile-submenu li {
    margin-bottom: 10px;
    opacity: 1;
    transform: none;
}

.mobile-menu nav .mobile-submenu a {
    display: block;
    font-family: var(--font-interface);
    font-size: 0.95rem;
    font-weight: 500;
    letter-spacing: 0.04em;
    color: rgba(255, 255, 255, 0.62);
}

.mobile-menu nav a {
    font-family: var(--font-display);
    font-size: 2.2rem;
    font-weight: 700;
    color: rgba(255, 255, 255, 0.82);
    text-decoration: none;
    letter-spacing: -0.01em;
    transition: color 0.2s ease;
}

.mobile-menu nav a:hover {
    color: var(--color-gold-mineral);
}

.mobile-menu-cta {
    margin-top: 40px;
    padding-top: 40px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

/* ================================================================
   MEDIA QUERIES
   ================================================================ */

/* — SMALL DESKTOP / TABLET PAYSAGE (≤ 1200px) ——————————————————— */
@media (max-width: 1200px) {
    .desktop-nav { display: none; }
    .hamburger { display: flex; }
    .mobile-submenu-toggle { display: inline-flex; }
}

/* — TABLETTE PORTRAIT (≤ 992px) ————————————————————————————————— */
@media (max-width: 992px) {
    :root { --gutter: 20px; }

    .section-title { font-size: 2.3rem; }
    .hero-title { font-size: 3.2rem; }

    .executive-composition {
        grid-template-columns: 1fr;
        gap: 80px;
    }
    .portrait-wrapper { max-width: 420px; margin: 0 auto 60px; }
    .portrait-meta { right: -10px; bottom: -10px; }

    .newsroom-matrix { grid-template-columns: 1fr; }
    .featured-intel-card { min-height: 340px; padding: 40px; }

    .gis-panel-layout { grid-template-columns: 1fr; }
    .gis-vector-canvas { height: 380px; }

    .footer-grid { grid-template-columns: 1fr 1fr; gap: 40px; }
}

/* — TABLETTE / GRAND TÉLÉPHONE (≤ 768px) ——————————————————————— */
@media (max-width: 768px) {
    section { padding: 72px 0; }
    .section-title { font-size: 2rem; margin-bottom: 36px; }

    .hero-sovereign { min-height: 70vh; }
    .hero-title { font-size: 2.5rem; line-height: 1.15; }
    .hero-subtitle { font-size: 1rem; margin-bottom: 36px; }
    .hero-actions { flex-direction: column; align-items: flex-start; gap: 14px; }

    .scoreboard-grid { grid-template-columns: 1fr 1fr; }
    .scoreboard-bottom-grid { grid-template-columns: 1fr; }

    .matrix-grid { grid-template-columns: 1fr 1fr; }
    .commodity-grid { grid-template-columns: 1fr 1fr; }
    .logo-wall-matrix { grid-template-columns: 1fr 1fr; }
    .esg-dashboard-layout { grid-template-columns: 1fr; }

    .statement-quote { font-size: 1.7rem; }

    /* Timeline verticale */
    .timeline-container {
        flex-direction: column;
        gap: 0;
        padding: 20px 0;
    }
    .timeline-line { display: none; }
    .timeline-node {
        width: 100%;
        padding-right: 0;
        padding-left: 24px;
        padding-bottom: 40px;
        border-left: 3px solid var(--color-gold-mineral);
        background: transparent;
    }
    .timeline-node::before {
        content: '';
        position: absolute;
        left: -7px;
        top: 6px;
        width: 11px;
        height: 11px;
        border-radius: 50%;
        background: var(--color-gold-mineral);
    }

    /* Coalition */
    .sovereign-coalition { flex-wrap: wrap; justify-content: center; gap: 24px 32px; }

    /* Footer */
    .footer-grid { grid-template-columns: 1fr; gap: 36px; }
    .footer-bottom-bar { flex-direction: column; gap: 14px; text-align: center; }
    .newsletter-interface { flex-direction: column; gap: 10px; }
    .newsletter-interface .btn-geometric {
        width: 100%;
        justify-content: center;
        clip-path: none;
        border-radius: 4px;
    }

    /* Cacher le CTA desktop dans le header */
    .desktop-cta { display: none; }

    /* Article detail */
    .article-layout { grid-template-columns: 1fr; }
    .article-sidebar { position: static; }
    .news-directory-header { flex-direction: column; align-items: flex-start; }
    .newsroom-matrix { grid-template-columns: 1fr; }
    .news-mini-grid { grid-template-columns: 1fr 1fr; }
}

/* — PETITS TÉLÉPHONES (≤ 576px) ————————————————————————————————— */
@media (max-width: 576px) {
    :root { --gutter: 16px; }

    .logo-area { font-size: 1.6rem; }

    .hero-title { font-size: 1.95rem; }
    .hero-eyebrow { font-size: 0.78rem; letter-spacing: 0.18em; }
    .hero-subtitle { font-size: 0.92rem; }
    .section-title { font-size: 1.7rem; }

    .scoreboard-grid { grid-template-columns: 1fr; }
    .matrix-grid { grid-template-columns: 1fr; }
    .commodity-grid { grid-template-columns: 1fr; }
    .logo-wall-matrix { grid-template-columns: 1fr 1fr; }

    .pillar-card,
    .commodity-card,
    .esg-metric-box,
    .premium-card-hud { padding: 28px 22px; }

    .featured-intel-card { padding: 28px; min-height: 280px; }
    .featured-intel-card h3 { font-size: 1.6rem; }

    .gis-vector-canvas { height: 260px; }

    .mobile-menu nav a { font-size: 1.75rem; }
    .mobile-menu nav li { margin-bottom: 18px; }

    .statement-quote { font-size: 1.4rem; }
    .news-mini-grid { grid-template-columns: 1fr; }
}