/* QCM Concours — styles du gabarit (extraits de base.html.twig, mis en cache 1 mois) */
        :root {
            --orange: #E85D04;
            --orange-light: #F48C06;
            --orange-dark: #D35400;
            --green: #1B7A3D;
            --green-light: #27AE60;
            --white: #FFF;
            --gray-50: #FAFAFA;
            --gray-100: #F5F5F5;
            --gray-200: #EEE;
            --gray-500: #9E9E9E;
            --gray-600: #757575;
            --gray-700: #616161;
            --gray-800: #424242;
            --gray-900: #212121;
            --danger: #DC3545;
            --info: #17a2b8;
            --primary: #E85D04;
            --shadow-sm: 0 2px 4px rgba(0,0,0,.08);
            --shadow-md: 0 4px 12px rgba(0,0,0,.12);
            --shadow-lg: 0 8px 30px rgba(0,0,0,.18);
            --radius-md: 12px;
            --radius-lg: 20px;
            --radius-full: 9999px;
            --gray: #7f8c8d;
        }
        *, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
        html { scroll-behavior: smooth; }
        body { font-family: 'Poppins', sans-serif; background: var(--gray-50); color: var(--gray-800); line-height: 1.6; min-height: 100vh; display: flex; flex-direction: column; }
        a { text-decoration: none; color: inherit; }
        .container { max-width: 1200px; margin: 0 auto; padding: 0 20px; }

        /* ========== PRELOADER MAGNIFIQUE ========== */
        .preloader {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: linear-gradient(135deg, #0a0a0a 0%, #1a1a2e 50%, #16213e 100%);
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            z-index: 99999;
            transition: opacity 0.6s ease, visibility 0.6s ease;
        }
        .preloader.hidden {
            opacity: 0;
            visibility: hidden;
        }
        .preloader-content {
            text-align: center;
            position: relative;
        }
        
        /* Cercles orbitaux animés */
        .orbit-container {
            position: relative;
            width: 200px;
            height: 200px;
            margin: 0 auto 40px;
        }
        .orbit {
            position: absolute;
            border: 2px solid transparent;
            border-radius: 50%;
            animation: orbit-rotate 3s linear infinite;
        }
        .orbit-1 {
            width: 200px;
            height: 200px;
            top: 0;
            left: 0;
            border-top-color: var(--orange);
            border-right-color: var(--orange);
            animation-duration: 2s;
            box-shadow: 0 0 30px rgba(232, 93, 4, 0.3), inset 0 0 30px rgba(232, 93, 4, 0.1);
        }
        .orbit-2 {
            width: 160px;
            height: 160px;
            top: 20px;
            left: 20px;
            border-bottom-color: var(--green);
            border-left-color: var(--green);
            animation-duration: 2.5s;
            animation-direction: reverse;
            box-shadow: 0 0 25px rgba(27, 122, 61, 0.3), inset 0 0 25px rgba(27, 122, 61, 0.1);
        }
        .orbit-3 {
            width: 120px;
            height: 120px;
            top: 40px;
            left: 40px;
            border-top-color: var(--orange-light);
            border-right-color: var(--orange-light);
            animation-duration: 1.5s;
            box-shadow: 0 0 20px rgba(244, 140, 6, 0.3), inset 0 0 20px rgba(244, 140, 6, 0.1);
        }
        
        /* Logo central avec effet pulse */
        .preloader-logo {
            position: absolute;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            width: 70px;
            height: 70px;
            background: linear-gradient(135deg, var(--orange), var(--green));
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            animation: logo-pulse 2s ease-in-out infinite;
            box-shadow: 0 0 40px rgba(232, 93, 4, 0.5), 0 0 80px rgba(27, 122, 61, 0.3);
        }
        .preloader-logo i {
            font-size: 2rem;
            color: white;
        }
        
        /* Particules flottantes */
        .particles {
            position: absolute;
            width: 100%;
            height: 100%;
            top: 0;
            left: 0;
            overflow: hidden;
            pointer-events: none;
        }
        .particle {
            position: absolute;
            width: 6px;
            height: 6px;
            border-radius: 50%;
            animation: particle-float 4s ease-in-out infinite;
        }
        .particle:nth-child(1) { left: 10%; top: 20%; background: var(--orange); animation-delay: 0s; }
        .particle:nth-child(2) { left: 20%; top: 80%; background: var(--green); animation-delay: 0.5s; }
        .particle:nth-child(3) { left: 80%; top: 30%; background: var(--orange-light); animation-delay: 1s; }
        .particle:nth-child(4) { left: 90%; top: 70%; background: var(--green-light); animation-delay: 1.5s; }
        .particle:nth-child(5) { left: 50%; top: 10%; background: var(--orange); animation-delay: 2s; }
        .particle:nth-child(6) { left: 30%; top: 50%; background: var(--green); animation-delay: 2.5s; }
        .particle:nth-child(7) { left: 70%; top: 90%; background: var(--orange-light); animation-delay: 3s; }
        .particle:nth-child(8) { left: 5%; top: 60%; background: var(--green-light); animation-delay: 3.5s; }
        
        /* Texte animé */
        .preloader-text {
            margin-top: 30px;
        }
        .preloader-title {
            font-size: 1.8rem;
            font-weight: 700;
            background: linear-gradient(135deg, var(--orange), var(--orange-light), var(--green), var(--green-light));
            background-size: 300% 300%;
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            animation: gradient-shift 3s ease infinite;
            margin-bottom: 10px;
        }
        .preloader-subtitle {
            color: rgba(255, 255, 255, 0.7);
            font-size: 0.95rem;
            font-weight: 400;
            letter-spacing: 2px;
        }
        
        /* Barre de progression */
        .progress-container {
            width: 250px;
            height: 4px;
            background: rgba(255, 255, 255, 0.1);
            border-radius: 10px;
            margin: 25px auto 0;
            overflow: hidden;
            position: relative;
        }
        .progress-bar {
            height: 100%;
            background: linear-gradient(90deg, var(--orange), var(--green), var(--orange-light));
            background-size: 200% 100%;
            border-radius: 10px;
            animation: progress-load 2s ease-in-out forwards, gradient-move 1s linear infinite;
        }
        .progress-glow {
            position: absolute;
            top: -2px;
            right: 0;
            width: 20px;
            height: 8px;
            background: white;
            border-radius: 50%;
            filter: blur(4px);
            animation: glow-move 2s ease-in-out forwards;
        }

        /* Points de chargement animés */
        .loading-dots {
            display: flex;
            gap: 8px;
            justify-content: center;
            margin-top: 20px;
        }
        .loading-dot {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--orange);
            animation: dot-bounce 1.4s ease-in-out infinite;
        }
        .loading-dot:nth-child(1) { animation-delay: 0s; }
        .loading-dot:nth-child(2) { animation-delay: 0.2s; background: var(--orange-light); }
        .loading-dot:nth-child(3) { animation-delay: 0.4s; background: var(--green); }

        /* Animations */
        @keyframes orbit-rotate {
            from { transform: rotate(0deg); }
            to { transform: rotate(360deg); }
        }
        @keyframes logo-pulse {
            0%, 100% { transform: translate(-50%, -50%) scale(1); box-shadow: 0 0 40px rgba(232, 93, 4, 0.5), 0 0 80px rgba(27, 122, 61, 0.3); }
            50% { transform: translate(-50%, -50%) scale(1.1); box-shadow: 0 0 60px rgba(232, 93, 4, 0.7), 0 0 120px rgba(27, 122, 61, 0.5); }
        }
        @keyframes particle-float {
            0%, 100% { transform: translateY(0) rotate(0deg); opacity: 0.5; }
            50% { transform: translateY(-30px) rotate(180deg); opacity: 1; }
        }
        @keyframes gradient-shift {
            0% { background-position: 0% 50%; }
            50% { background-position: 100% 50%; }
            100% { background-position: 0% 50%; }
        }
        @keyframes progress-load {
            0% { width: 0%; }
            100% { width: 100%; }
        }
        @keyframes gradient-move {
            0% { background-position: 0% 50%; }
            100% { background-position: 200% 50%; }
        }
        @keyframes glow-move {
            0% { left: 0%; opacity: 1; }
            100% { left: calc(100% - 20px); opacity: 0; }
        }
        @keyframes dot-bounce {
            0%, 80%, 100% { transform: scale(0.6); opacity: 0.5; }
            40% { transform: scale(1); opacity: 1; }
        }

        /* NAVBAR */
        .navbar {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: linear-gradient(135deg, #0f1b0d 0%, #1b6b35 40%, #0d3320 70%, #1a1c20 100%);
            box-shadow: 0 4px 24px rgba(0,0,0,.3), 0 1px 0 rgba(200,155,60,.15) inset;
            border-bottom: 1px solid rgba(200,155,60,.1);
            overflow: hidden;
        }
        .navbar::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url("data:image/svg+xml,%3Csvg width='40' height='40' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M20 0L40 20L20 40L0 20Z' fill='none' stroke='%23ffffff05' stroke-width='.5'/%3E%3C/svg%3E");
            pointer-events: none;
        }
        .navbar::after {
            content: '';
            position: absolute;
            top: -60%;
            left: 20%;
            width: 300px;
            height: 300px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(200,155,60,.08) 0%, transparent 70%);
            pointer-events: none;
            animation: nav-glow 8s ease-in-out infinite alternate;
        }
        @keyframes nav-glow {
            0% { left: 15%; opacity: .6; }
            100% { left: 55%; opacity: 1; }
        }
        .navbar-container {
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .navbar-content {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 64px;
            position: relative;
            z-index: 1;
        }
        .navbar-brand {
            display: flex;
            align-items: center;
            gap: 12px;
            text-decoration: none;
        }
        .navbar-logo {
            height: 44px;
            width: auto;
            filter: drop-shadow(0 2px 8px rgba(200,155,60,.3));
            transition: transform .3s;
        }
        .navbar-brand:hover .navbar-logo {
            transform: scale(1.08) rotate(-2deg);
        }
        .navbar-brand-text {
            color: var(--white);
            white-space: nowrap;
        }
        .navbar-brand-title {
            font-size: 1.15rem;
            font-weight: 800;
            display: block;
            background: linear-gradient(135deg, #ffffff 30%, #c89b3c 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            letter-spacing: -.5px;
        }
        .navbar-brand-subtitle {
            font-size: 0.62rem;
            opacity: 0.5;
            font-weight: 600;
            letter-spacing: 2px;
            text-transform: uppercase;
        }
        .navbar-nav {
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .nav-link {
            display: flex;
            align-items: center;
            gap: 7px;
            padding: 8px 14px;
            color: rgba(255,255,255,.7);
            font-weight: 600;
            font-size: 0.82rem;
            border-radius: 10px;
            transition: all 0.3s cubic-bezier(.22,.68,0,1);
            position: relative;
            letter-spacing: .2px;
        }
        .nav-link::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            width: 0;
            height: 2px;
            background: #c89b3c;
            border-radius: 1px;
            transition: all .3s;
            transform: translateX(-50%);
        }
        .nav-link:hover {
            color: white;
            background: rgba(255,255,255,.08);
        }
        .nav-link:hover::after {
            width: 60%;
        }
        .nav-link i {
            font-size: .78rem;
            opacity: .7;
            transition: all .3s;
        }
        .nav-link:hover i {
            opacity: 1;
            color: #c89b3c;
        }
        .nav-link-highlight {
            background: rgba(200,155,60,.12);
            border: 1px solid rgba(200,155,60,.2);
            color: #c89b3c;
        }
        .nav-link-highlight:hover {
            background: rgba(200,155,60,.2);
            color: #fbbf24;
        }
        .mobile-nav-highlight {
            background: linear-gradient(135deg, var(--orange-light), var(--orange));
            color: white !important;
        }
        .mobile-nav-highlight i {
            color: white !important;
        }
        .navbar-auth {
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .btn-nav {
            padding: 10px 20px;
            font-weight: 600;
            border-radius: var(--radius-full);
            transition: all 0.2s;
            font-size: 0.9rem;
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        .btn-nav-outline {
            color: var(--white);
            border: 2px solid rgba(255,255,255,0.8);
            background: transparent;
        }
        .btn-nav-outline:hover {
            background: var(--white);
            color: var(--orange);
        }
        .btn-nav-solid {
            background: var(--white);
            color: var(--orange);
            border: none;
            box-shadow: 0 4px 15px rgba(0,0,0,0.2);
        }
        .btn-don {
            background: linear-gradient(135deg, #ef4444, #dc2626) !important;
            color: white !important;
            border: none !important;
            font-weight: 700;
            font-size: .78rem;
            padding: 8px 16px !important;
            border-radius: 10px !important;
            box-shadow: 0 4px 14px rgba(239,68,68,.3);
            animation: pulse-don 3s infinite;
            cursor: pointer;
            font-family: inherit;
        }
        .btn-don:hover { transform: translateY(-2px); box-shadow: 0 6px 20px rgba(239,68,68,.4); }
        .btn-don i { color: white; margin-right: 4px; }
        @keyframes pulse-don { 0%,100%{box-shadow:0 4px 14px rgba(239,68,68,.3)} 50%{box-shadow:0 4px 20px rgba(239,68,68,.5)} }
        
        /* Modal Don */
        .don-overlay{display:none;position:fixed;inset:0;background:rgba(0,0,0,.6);z-index:99999;align-items:center;justify-content:center;animation:fadeIn .2s}
        .don-overlay.active{display:flex}
        @keyframes fadeIn{from{opacity:0}to{opacity:1}}
        .don-modal{background:white;border-radius:24px;max-width:440px;width:92%;padding:0;box-shadow:0 20px 60px rgba(0,0,0,.25);overflow:hidden;animation:scaleIn .3s}
        @keyframes scaleIn{from{transform:scale(.9);opacity:0}to{transform:scale(1);opacity:1}}
        .don-header{background:linear-gradient(135deg,#0f1b0d,#1b6b35 50%,#1a1c20);padding:28px 28px 24px;text-align:center;color:white;position:relative;overflow:hidden}
        .don-header::before{content:'';position:absolute;inset:0;background:url("data:image/svg+xml,%3Csvg width='40' height='40' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M20 0L40 20L20 40L0 20Z' fill='none' stroke='%23ffffff06' stroke-width='.5'/%3E%3C/svg%3E")}
        .don-header h3{font-size:1.15rem;font-weight:800;margin:0 0 6px;position:relative}
        .don-header p{font-size:.82rem;opacity:.75;margin:0;position:relative;line-height:1.5}
        .don-heart{font-size:2rem;margin-bottom:10px;display:block;position:relative;animation:heartbeat 1.5s infinite}
        @keyframes heartbeat{0%,100%{transform:scale(1)}14%{transform:scale(1.15)}28%{transform:scale(1)}42%{transform:scale(1.1)}70%{transform:scale(1)}}
        .don-body{padding:24px 28px}
        .don-msg{font-size:.88rem;color:#475569;line-height:1.7;margin-bottom:18px;text-align:center}
        .don-amounts{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;margin-bottom:18px}
        .don-amt{padding:12px;border-radius:12px;text-align:center;background:#f8fafc;border:2px solid #e2e8f0;cursor:default;transition:all .2s;font-weight:700;color:#1e293b;font-size:.9rem}
        .don-channels{display:flex;flex-direction:column;gap:8px;margin-bottom:18px}
        .don-ch{display:flex;align-items:center;gap:12px;padding:12px 16px;border-radius:12px;border:1px solid #e2e8f0;background:#fafbfc;transition:all .2s}
        .don-ch:hover{border-color:#1b6b35;background:#f0fdf4}
        .don-ch-icon{width:40px;height:40px;border-radius:10px;display:flex;align-items:center;justify-content:center;color:white;font-size:1rem;flex-shrink:0}
        .don-ch-icon.wave{background:linear-gradient(135deg,#1a8cff,#0066cc)}
        .don-ch-icon.moov{background:linear-gradient(135deg,#0074d9,#001f3f)}
        .don-ch-icon.orange{background:linear-gradient(135deg,#ff851b,#e67e22)}
        .don-ch-info{flex:1}
        .don-ch-name{font-weight:700;font-size:.85rem;color:#1e293b}
        .don-ch-num{font-size:.78rem;color:#64748b;font-family:'Courier New',monospace}
        .don-close{position:absolute;top:12px;right:14px;width:30px;height:30px;border-radius:8px;border:none;background:rgba(255,255,255,.15);color:white;cursor:pointer;font-size:1rem;display:flex;align-items:center;justify-content:center;z-index:1}
        .don-close:hover{background:rgba(255,255,255,.25)}
        .don-thanks{text-align:center;font-size:.75rem;color:#94a3b8;margin-top:4px}
        .don-amt{cursor:pointer}
        .don-amt.active,.don-amt:hover{border-color:#1b6b35;background:#f0fdf4;color:#14532d}
        .don-input-row{display:flex;align-items:center;gap:10px;margin-bottom:8px}
        .don-input-row input{flex:1;padding:12px 14px;border:2px solid #e2e8f0;border-radius:12px;font-size:1.05rem;font-weight:700;color:#1e293b}
        .don-input-row input:focus{outline:none;border-color:#1b6b35}
        .don-input-row span{font-weight:700;color:#64748b;font-size:.85rem}
        .don-err{color:#dc2626;font-size:.8rem;min-height:1.1em;margin-bottom:8px;text-align:center}
        .don-wave-btn{width:100%;border:none;border-radius:12px;padding:14px;background:linear-gradient(135deg,#1dc3f2,#0d9bd8);color:#fff;font-weight:800;font-size:.95rem;cursor:pointer;display:flex;align-items:center;justify-content:center;gap:10px;box-shadow:0 6px 16px rgba(13,155,216,.3)}
        .don-wave-btn:disabled{opacity:.6;cursor:wait}
        .don-result{display:none;margin-top:14px;padding:12px 14px;border-radius:12px;background:#f0fdf4;border:1px solid #bbf7d0}
        .don-result.show{display:block}
        .don-message{font-size:.8rem;color:#14532d;line-height:1.5;word-break:break-word;margin:0 0 10px}
        .don-result-actions{display:flex;gap:8px;flex-wrap:wrap}
        .don-link-btn,.don-copy-btn{flex:1;text-align:center;padding:10px;border-radius:10px;font-size:.82rem;font-weight:700;border:1px solid #1b6b35;color:#1b6b35;background:#fff;cursor:pointer;text-decoration:none}
        .don-link-btn{background:#1b6b35;color:#fff}
        .don-qr{margin-top:14px;text-align:center}
        .don-qr-title{font-size:.82rem;color:#475569;font-weight:600}
        .don-qr img{width:180px;max-width:100%;margin:10px auto 6px;display:block;border-radius:12px;border:1px solid #e2e8f0}
        .don-qr p{font-size:.75rem;color:#64748b;margin:0}
        .don-mobile-link{display:flex;align-items:center;gap:10px;padding:14px 16px;color:white;font-weight:700;font-size:.88rem;border-radius:12px;background:linear-gradient(135deg,#ef4444,#dc2626);margin:8px 0;cursor:pointer;border:none;width:100%;text-align:left;font-family:inherit}
        .don-mobile-link i{color:white}
        .navbar-toggle {
            display: none;
            background: rgba(255,255,255,0.2);
            border: none;
            font-size: 1.3rem;
            color: var(--white);
            padding: 10px 12px;
            border-radius: var(--radius-md);
            cursor: pointer;
        }

        /* Mobile Menu */
        .mobile-menu {
            position: fixed;
            top: 64px;
            left: 0;
            right: 0;
            bottom: 0;
            background: linear-gradient(180deg, #0f1b0d 0%, #1a1c20 100%);
            z-index: 999;
            transform: translateX(-100%);
            transition: transform 0.3s ease;
            padding: 20px;
            overflow-y: auto;
        }
        .mobile-menu.active { transform: translateX(0); }
        .mobile-nav-link {
            display: flex;
            align-items: center;
            gap: 15px;
            padding: 14px 16px;
            color: rgba(255,255,255,.75);
            font-weight: 600;
            font-size: .9rem;
            border-radius: 12px;
            margin-bottom: 6px;
            background: rgba(255,255,255,.04);
            border: 1px solid rgba(255,255,255,.04);
            transition: all .2s;
        }
        .mobile-nav-link:hover { background: rgba(200,155,60,.1); color: #c89b3c; border-color: rgba(200,155,60,.15); }
        .mobile-nav-link i { color: #c89b3c; width: 24px; font-size: .9rem; }
        .mobile-auth { margin-top: 20px; display: flex; flex-direction: column; gap: 10px; }

        /* Buttons */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 10px;
            padding: 14px 28px;
            font-weight: 600;
            font-size: 1rem;
            border-radius: var(--radius-md);
            border: none;
            cursor: pointer;
            transition: all 0.2s;
            font-family: inherit;
        }
        .btn-primary {
            background: linear-gradient(135deg, var(--orange), var(--orange-light));
            color: white;
            box-shadow: 0 4px 15px rgba(232,93,4,0.3);
        }
        .btn-primary:hover { transform: translateY(-2px); box-shadow: 0 6px 20px rgba(232,93,4,0.4); }
        .btn-secondary {
            background: linear-gradient(135deg, var(--green), var(--green-light));
            color: white;
        }
        .btn-outline {
            background: transparent;
            border: 2px solid var(--orange);
            color: var(--orange);
        }
        .btn-outline:hover { background: var(--orange); color: white; }
        .btn-block { width: 100%; }
        .btn-lg { padding: 16px 32px; font-size: 1.1rem; }

        /* Cards */
        .card {
            background: white;
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-md);
            overflow: hidden;
        }
        .card-header {
            padding: 20px 25px;
            border-bottom: 1px solid var(--gray-200);
            background: var(--gray-50);
        }
        .card-header h3 {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.1rem;
            color: var(--gray-800);
        }
        .card-body { padding: 25px; }

        /* Grid */
        .grid { display: grid; gap: 20px; }
        .grid-2 { grid-template-columns: repeat(2, 1fr); }
        .grid-3 { grid-template-columns: repeat(3, 1fr); }

        /* Flash messages */
        .flash-container {
            position: fixed;
            top: 80px;
            right: 20px;
            z-index: 9999;
            max-width: 400px;
        }
        .alert {
            padding: 16px 20px;
            border-radius: var(--radius-md);
            margin-bottom: 10px;
            display: flex;
            align-items: center;
            gap: 12px;
            animation: slideIn 0.3s ease;
            box-shadow: var(--shadow-md);
        }
        @keyframes slideIn { from { transform: translateX(100%); opacity: 0; } }
        .alert-success { background: #d4edda; color: #155724; border-left: 4px solid #28a745; }
        .alert-error, .alert-danger { background: #f8d7da; color: #721c24; border-left: 4px solid #dc3545; }
        .alert-warning { background: #fff3cd; color: #856404; border-left: 4px solid #ffc107; }
        .alert-info { background: #d1ecf1; color: #0c5460; border-left: 4px solid #17a2b8; }

        /* Section */
        .section { padding: 40px 0; }

        /* Footer — Premium Design */
        .footer {
            background: linear-gradient(180deg, #0f1b0d 0%, #1a1c20 100%);
            color: rgba(255,255,255,.6);
            margin-top: auto;
            position: relative;
            overflow: hidden;
        }
        .footer::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 1px;
            background: linear-gradient(90deg, transparent, #c89b3c, transparent);
        }
        .footer::after {
            content: '';
            position: absolute;
            top: -100px;
            right: -100px;
            width: 300px;
            height: 300px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(200,155,60,.06) 0%, transparent 70%);
            pointer-events: none;
        }
        .footer-main { padding: 48px 0 32px; position: relative; z-index: 1; }
        .footer-grid {
            display: grid;
            grid-template-columns: 2.2fr 1fr 1fr 1fr;
            gap: 40px;
        }
        .footer-logo { display: flex; align-items: center; gap: 12px; margin-bottom: 14px; }
        .footer-logo img {
            height: 44px;
            filter: drop-shadow(0 2px 8px rgba(200,155,60,.25));
        }
        .footer-logo span {
            color: white;
            font-weight: 800;
            font-size: 1.15rem;
            background: linear-gradient(135deg, #ffffff 30%, #c89b3c 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            letter-spacing: -.3px;
        }
        .footer-desc {
            font-size: 0.85rem;
            line-height: 1.7;
            margin-bottom: 18px;
            max-width: 360px;
            color: rgba(255,255,255,.55);
        }
        .footer-social { display: flex; gap: 10px; }
        .footer-social a {
            width: 38px;
            height: 38px;
            background: rgba(255,255,255,.04);
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: rgba(255,255,255,.7);
            transition: all 0.3s cubic-bezier(.22,.68,0,1);
            border: 1px solid rgba(255,255,255,.05);
            font-size: .9rem;
        }
        .footer-social a:hover {
            background: linear-gradient(135deg, #c89b3c, #e87e24);
            color: white;
            transform: translateY(-3px);
            box-shadow: 0 6px 16px rgba(200,155,60,.3);
            border-color: transparent;
        }
        .footer-title {
            color: white;
            font-size: .78rem;
            margin-bottom: 18px;
            font-weight: 800;
            text-transform: uppercase;
            letter-spacing: 1.5px;
            position: relative;
            padding-bottom: 10px;
        }
        .footer-title::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 28px;
            height: 2px;
            background: #c89b3c;
            border-radius: 1px;
        }
        .footer-links { display: flex; flex-direction: column; gap: 10px; }
        .footer-link {
            color: rgba(255,255,255,.55);
            font-size: 0.82rem;
            transition: all 0.2s;
            display: inline-flex;
            align-items: center;
            gap: 6px;
            text-decoration: none;
        }
        .footer-link::before {
            content: '›';
            color: #c89b3c;
            opacity: 0;
            transition: all .2s;
            width: 0;
            display: inline-block;
        }
        .footer-link:hover {
            color: #c89b3c;
            transform: translateX(3px);
        }
        .footer-link:hover::before {
            opacity: 1;
            width: 10px;
        }
        .footer-contact {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: .8rem;
            color: rgba(255,255,255,.55);
            margin-bottom: 8px;
        }
        .footer-contact i {
            color: #c89b3c;
            width: 16px;
            font-size: .78rem;
        }
        .footer-bottom {
            background: rgba(0,0,0,0.4);
            padding: 18px 0;
            border-top: 1px solid rgba(255,255,255,.04);
            position: relative;
            z-index: 1;
        }
        .footer-bottom-content {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 12px;
        }
        .footer-copyright {
            font-size: 0.78rem;
            color: rgba(255,255,255,.45);
        }
        .footer-copyright .heart { color: #ef4444; }
        .footer-bottom-links { display: flex; gap: 18px; }
        .footer-stats {
            display: flex;
            gap: 18px;
            align-items: center;
            justify-content: center;
            margin-top: 14px;
            padding-top: 14px;
            border-top: 1px solid rgba(255,255,255,.06);
        }
        .footer-stat {
            display: flex;
            align-items: center;
            gap: 6px;
            font-size: .72rem;
            color: rgba(255,255,255,.45);
            font-weight: 600;
        }
        .footer-stat i {
            font-size: .65rem;
        }
        .footer-stat-dot {
            width: 7px;
            height: 7px;
            border-radius: 50%;
            background: #22c55e;
            animation: blink-dot 2s infinite;
            flex-shrink: 0;
        }
        @keyframes blink-dot {
            0%,100% { opacity: 1; }
            50% { opacity: .4; }
        }
        .footer-stat-num {
            font-weight: 800;
            color: rgba(255,255,255,.7);
        }
        .footer-bottom-link {
            font-size: 0.78rem;
            color: rgba(255,255,255,.5);
            text-decoration: none;
            transition: color .2s;
        }
        .footer-bottom-link:hover { color: #c89b3c; }
        @media (max-width: 900px) {
            .footer-grid { grid-template-columns: repeat(2, 1fr); gap: 32px; }
        }
        @media (max-width: 600px) {
            .footer-main { padding: 32px 0 20px; }
            .footer-grid { grid-template-columns: 1fr; gap: 28px; text-align: left; }
            .footer-bottom-content { justify-content: center; text-align: center; flex-direction: column; }
            .footer-bottom-links { justify-content: center; }
        }

        /* Back to top */
        .back-to-top {
            position: fixed;
            bottom: 100px;
            right: 30px;
            width: 50px;
            height: 50px;
            background: linear-gradient(135deg, var(--orange), var(--green));
            color: white;
            border: none;
            border-radius: 50%;
            cursor: pointer;
            opacity: 0;
            visibility: hidden;
            transition: all 0.3s;
            box-shadow: var(--shadow-md);
            z-index: 99;
        }
        .back-to-top.visible { opacity: 1; visibility: visible; }
        .back-to-top:hover { transform: translateY(-5px); }

        /* Mobile Bottom Navigation - Glassmorphism Design */
        .mobile-bottom-nav {
            display: none;
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            padding: 0;
        }
        .mobile-bottom-nav-wrapper {
            background: linear-gradient(135deg, #0f1b0d 0%, #1b6b35 50%, #1a1c20 100%);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-radius: 22px 22px 0 0;
            box-shadow: 0 -8px 40px rgba(0, 0, 0, 0.3),
                        inset 0 1px 0 rgba(200, 155, 60, 0.1);
            padding: 6px 8px;
            padding-bottom: max(6px, env(safe-area-inset-bottom));
            position: relative;
            overflow: hidden;
        }
        .mobile-bottom-nav-wrapper::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url("data:image/svg+xml,%3Csvg width='30' height='30' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M15 0L30 15L15 30L0 15Z' fill='none' stroke='%23ffffff06' stroke-width='.5'/%3E%3C/svg%3E");
            pointer-events: none;
        }
        .mobile-bottom-nav-container {
            display: flex;
            justify-content: space-around;
            align-items: flex-end;
            max-width: 420px;
            margin: 0 auto;
            position: relative;
        }
        .mobile-bottom-nav-item {
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            text-decoration: none;
            padding: 8px 14px;
            border-radius: 14px;
            transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            min-width: 56px;
            position: relative;
            overflow: hidden;
        }
        .mobile-bottom-nav-item::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: rgba(200, 155, 60, 0.08);
            border-radius: 14px;
            opacity: 0;
            transition: opacity 0.3s;
        }
        .mobile-bottom-nav-item i {
            font-size: 1.15rem;
            color: rgba(255, 255, 255, 0.45);
            margin-bottom: 3px;
            transition: all 0.3s ease;
            position: relative;
            z-index: 1;
        }
        .mobile-bottom-nav-item span {
            font-size: 0.55rem;
            font-weight: 700;
            color: rgba(255, 255, 255, 0.4);
            text-transform: uppercase;
            letter-spacing: 0.3px;
            transition: all 0.3s ease;
            position: relative;
            z-index: 1;
        }
        .mobile-bottom-nav-item:hover::before,
        .mobile-bottom-nav-item.active::before {
            opacity: 1;
        }
        .mobile-bottom-nav-item:hover i,
        .mobile-bottom-nav-item.active i {
            color: #c89b3c;
            transform: translateY(-2px);
        }
        .mobile-bottom-nav-item:hover span,
        .mobile-bottom-nav-item.active span {
            color: #c89b3c;
        }
        
        /* Special center button - COURS */
        .mobile-bottom-nav-item.special {
            background: linear-gradient(135deg, #c89b3c 0%, #e87e24 100%);
            padding: 12px 18px;
            margin-top: -20px;
            margin-bottom: 4px;
            border-radius: 16px;
            box-shadow: 0 6px 24px rgba(200, 155, 60, 0.4),
                        0 0 0 3px rgba(15, 27, 13, 0.9);
            transform: scale(1);
            animation: pulse-glow 3s infinite;
        }
        .mobile-bottom-nav-item.special::before {
            display: none;
        }
        .mobile-bottom-nav-item.special i,
        .mobile-bottom-nav-item.special span {
            color: white;
        }
        .mobile-bottom-nav-item.special:hover,
        .mobile-bottom-nav-item.special:active {
            transform: scale(1.06);
            box-shadow: 0 8px 32px rgba(200, 155, 60, 0.5),
                        0 0 0 3px rgba(15, 27, 13, 0.9);
        }
        .mobile-bottom-nav-item.special:hover i {
            color: white;
            transform: translateY(-2px);
        }
        
        @keyframes pulse-glow {
            0%, 100% { box-shadow: 0 6px 20px rgba(232, 93, 4, 0.4), 0 0 0 3px rgba(255, 255, 255, 0.95); }
            50% { box-shadow: 0 6px 28px rgba(232, 93, 4, 0.55), 0 0 0 3px rgba(255, 255, 255, 0.95); }
        }

        /* Promo Popup Styles */
        .promo-popup-overlay {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: rgba(0, 0, 0, 0.6);
            backdrop-filter: blur(8px);
            -webkit-backdrop-filter: blur(8px);
            z-index: 10000;
            display: flex;
            align-items: center;
            justify-content: center;
            padding: 20px;
            opacity: 0;
            visibility: hidden;
            transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
        }
        .promo-popup-overlay.active {
            opacity: 1;
            visibility: visible;
        }
        .promo-popup {
            background: white;
            border-radius: 28px;
            max-width: 420px;
            width: 100%;
            overflow: hidden;
            box-shadow: 0 30px 80px rgba(0, 0, 0, 0.3),
                        0 0 0 1px rgba(255, 255, 255, 0.1);
            transform: scale(0.8) translateY(30px);
            transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
            position: relative;
        }
        .promo-popup-overlay.active .promo-popup {
            transform: scale(1) translateY(0);
        }
        .promo-popup-close {
            position: absolute;
            top: 15px;
            right: 15px;
            width: 36px;
            height: 36px;
            background: rgba(255, 255, 255, 0.9);
            border: none;
            border-radius: 50%;
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.1rem;
            color: var(--gray-600);
            transition: all 0.3s;
            z-index: 10;
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
        }
        .promo-popup-close:hover {
            background: white;
            color: var(--gray-800);
            transform: rotate(90deg);
        }
        .promo-popup-image {
            width: 100%;
            height: 200px;
            object-fit: cover;
            display: block;
        }
        .promo-popup-image-placeholder {
            width: 100%;
            height: 200px;
            background: linear-gradient(135deg, var(--orange) 0%, var(--green) 100%);
            display: flex;
            align-items: center;
            justify-content: center;
            position: relative;
            overflow: hidden;
        }
        .promo-popup-image-placeholder::before {
            content: '';
            position: absolute;
            top: -50%;
            left: -50%;
            width: 200%;
            height: 200%;
            background: radial-gradient(circle, rgba(255,255,255,0.1) 0%, transparent 70%);
            animation: shimmer 3s infinite;
        }
        @keyframes shimmer {
            0% { transform: rotate(0deg); }
            100% { transform: rotate(360deg); }
        }
        .promo-popup-image-placeholder i {
            font-size: 4rem;
            color: rgba(255, 255, 255, 0.3);
            position: relative;
            z-index: 1;
        }
        .promo-popup-content {
            padding: 30px;
            text-align: center;
        }
        .promo-popup-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: linear-gradient(135deg, #FFD700, #FFA500);
            color: #333;
            padding: 6px 14px;
            border-radius: 50px;
            font-size: 0.75rem;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 1px;
            margin-bottom: 15px;
        }
        .promo-popup-title {
            font-size: 1.5rem;
            font-weight: 800;
            color: var(--gray-800);
            margin-bottom: 12px;
            line-height: 1.3;
        }
        .promo-popup-description {
            color: var(--gray-600);
            font-size: 0.95rem;
            line-height: 1.6;
            margin-bottom: 25px;
        }
        .promo-popup-actions {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .promo-popup-btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 10px;
            padding: 14px 28px;
            border-radius: 50px;
            font-weight: 600;
            font-size: 0.95rem;
            text-decoration: none;
            transition: all 0.3s;
            cursor: pointer;
            border: none;
        }
        .promo-popup-btn-primary {
            background: linear-gradient(135deg, var(--orange), var(--green));
            color: white;
            box-shadow: 0 4px 20px rgba(232, 93, 4, 0.3);
        }
        .promo-popup-btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 30px rgba(232, 93, 4, 0.4);
        }
        .promo-popup-btn-secondary {
            background: transparent;
            color: var(--gray-500);
            font-size: 0.85rem;
        }
        .promo-popup-btn-secondary:hover {
            color: var(--gray-700);
        }
        .promo-popup-timer {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 6px;
            margin-top: 15px;
            font-size: 0.8rem;
            color: var(--gray-400);
        }
        .promo-popup-timer-bar {
            width: 100%;
            height: 3px;
            background: var(--gray-200);
            border-radius: 3px;
            overflow: hidden;
            margin-top: 20px;
        }
        .promo-popup-timer-progress {
            height: 100%;
            background: linear-gradient(90deg, var(--orange), var(--green));
            border-radius: 3px;
            transition: width 0.1s linear;
        }
        /* Main content */
        .main-content { flex: 1; }

        /* Add padding bottom for mobile nav */
        @media (max-width: 768px) {
            body {
                padding-bottom: 80px;
            }
            body.hide-mobile-nav {
                padding-bottom: 0;
            }
            .mobile-bottom-nav {
                display: block;
            }
            body.hide-mobile-nav .mobile-bottom-nav {
                display: none;
            }
            .back-to-top {
                bottom: 100px;
            }
            body.hide-mobile-nav .back-to-top {
                bottom: 30px;
            }
        }

        /* Responsive */
        @media (max-width: 992px) {
            .navbar-nav, .navbar-auth { display: none; }
            .navbar-toggle { display: block; }
            .grid-2, .grid-3 { grid-template-columns: 1fr; }
            .footer-grid { grid-template-columns: 1fr; text-align: center; }
        }

        @media (max-width: 480px) {
            .navbar-brand-text { display: none; }
            .navbar-logo { height: 40px; }
        }