@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap');
        
        body {
            font-family: 'Inter', sans-serif;
        }
        
        .gradient-bg {
            background: linear-gradient(-45deg, #1e40af, #3b82f6, #ef4444, #f97316);
            background-size: 400% 400%;
            animation: gradient 15s ease infinite;
        }
        
        @keyframes gradient {
            0% { background-position: 0% 50%; }
            50% { background-position: 100% 50%; }
            100% { background-position: 0% 50%; }
        }
        
        .text-gradient {
            background: linear-gradient(135deg, #1e40af 0%, #ef4444 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        
        .hover-lift {
            transition: all 0.3s ease;
        }
        
        .hover-lift:hover {
            transform: translateY(-5px);
            box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
        }
        
        .stagger-animation > * {
            opacity: 0;
            animation: fadeInUp 0.8s ease forwards;
        }
        
        .stagger-animation > *:nth-child(1) { animation-delay: 0.1s; }
        .stagger-animation > *:nth-child(2) { animation-delay: 0.2s; }
        .stagger-animation > *:nth-child(3) { animation-delay: 0.3s; }
        .stagger-animation > *:nth-child(4) { animation-delay: 0.4s; }
        
        @keyframes fadeInUp {
            from {
                opacity: 0;
                transform: translateY(30px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }
        
        .animate-float {
            animation: float 6s ease-in-out infinite;
        }
        
        @keyframes float {
            0%, 100% { transform: translateY(0px); }
            50% { transform: translateY(-10px); }
        }
        
        .stat-card {
            background: linear-gradient(135deg, #1e40af 0%, #3b82f6 100%);
            position: relative;
            overflow: hidden;
        }

/* accueil */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap');
        
        body {
            font-family: 'Inter', sans-serif;
        }
        
        .gradient-bg {
            background: linear-gradient(-45deg, #1e40af, #3b82f6, #ef4444, #f97316);
            background-size: 400% 400%;
            animation: gradient 15s ease infinite;
        }
        
        @keyframes gradient {
            0% { background-position: 0% 50%; }
            50% { background-position: 100% 50%; }
            100% { background-position: 0% 50%; }
        }
        
        .text-gradient {
            background: linear-gradient(135deg, #1e40af 0%, #ef4444 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        
        .hover-lift {
            transition: all 0.3s ease;
        }
        
        .hover-lift:hover {
            transform: translateY(-5px);
            box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
        }
        
        .animate-float {
            animation: float 6s ease-in-out infinite;
        }
        
        @keyframes float {
            0%, 100% { transform: translateY(0px); }
            50% { transform: translateY(-10px); }
        }
        
        .hero-bg {
            background: linear-gradient(rgba(30, 64, 175, 0.9), rgba(30, 64, 175, 0.8)), url('https://images.unsplash.com/photo-1559757148-5c350d0d3c56?ixlib=rb-4.0.3&ixid=M3wxMjA3fDB8MHxwaG90by1wYWdlfHx8fGVufDB8fHx8fA%3D%3D&auto=format&fit=crop&w=1740&q=80');
            background-size: cover;
            background-position: center;
            background-attachment: fixed;
        }
        
        .stat-card {
            background: linear-gradient(135deg, #1e40af 0%, #3b82f6 100%);
            position: relative;
            overflow: hidden;
        }
        
        .service-card {
            transition: all 0.3s ease;
            border: 1px solid #f3f4f6;
        }
        
        .service-card:hover {
            transform: translateY(-8px);
            box-shadow: 0 25px 50px rgba(0, 0, 0, 0.15);
            border-color: #3b82f6;
        }
        
        .event-card {
            transition: all 0.3s ease;
        }
        
        .event-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
        }
        
        .fade-in {
            animation: fadeIn 1s ease-in;
        }
        
        @keyframes fadeIn {
            from { opacity: 0; }
            to { opacity: 1; }
        }


/* events */
.gradient-bg {
            background: linear-gradient(-45deg, #1e40af, #3b82f6, #ef4444, #f97316);
            background-size: 400% 400%;
            animation: gradient 15s ease infinite;
        }
        
        @keyframes gradient {
            0% { background-position: 0% 50%; }
            50% { background-position: 100% 50%; }
            100% { background-position: 0% 50%; }
        }
        
        .text-gradient {
            background: linear-gradient(135deg, #1e40af 0%, #ef4444 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        
        .hover-lift {
            transition: all 0.3s ease;
        }
        
        .hover-lift:hover {
            transform: translateY(-5px);
            box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
        }
        
        .animate-float {
            animation: float 6s ease-in-out infinite;
        }
        
        @keyframes float {
            0%, 100% { transform: translateY(0px); }
            50% { transform: translateY(-10px); }
        }
        
        .event-card {
            transition: all 0.3s ease;
            border: 1px solid #f3f4f6;
        }
        
        .event-card:hover {
            transform: translateY(-8px);
            box-shadow: 0 25px 50px rgba(0, 0, 0, 0.15);
            border-color: #3b82f6;
        }
        
        .calendar-date {
            background: linear-gradient(135deg, #1e40af 0%, #3b82f6 100%);
            color: white;
            border-radius: 1rem 0 0 1rem;
        }
        
        .filter-btn {
            transition: all 0.3s ease;
        }
        
        .filter-btn.active {
            background: linear-gradient(135deg, #1e40af 0%, #3b82f6 100%);
            color: white;
        }
        
        .countdown-number {
            background: linear-gradient(135deg, #1e40af 0%, #3b82f6 100%);
            color: white;
            border-radius: 0.5rem;
            font-weight: bold;
        }
        
        .fade-in {
            animation: fadeIn 0.8s ease-in;
        }
        
        @keyframes fadeIn {
            from { opacity: 0; transform: translateY(20px); }
            to { opacity: 1; transform: translateY(0); }
        }
        
        .stagger-animation > * {
            opacity: 0;
            animation: fadeIn 0.8s ease forwards;
        }
        
        .stagger-animation > *:nth-child(1) { animation-delay: 0.1s; }
        .stagger-animation > *:nth-child(2) { animation-delay: 0.2s; }
        .stagger-animation > *:nth-child(3) { animation-delay: 0.3s; }
        .stagger-animation > *:nth-child(4) { animation-delay: 0.4s; }
        .stagger-animation > *:nth-child(5) { animation-delay: 0.5s; }


/* event details */
.gradient-bg {
            background: linear-gradient(-45deg, #1e40af, #3b82f6, #ef4444, #f97316);
            background-size: 400% 400%;
            animation: gradient 15s ease infinite;
        }
        
        @keyframes gradient {
            0% { background-position: 0% 50%; }
            50% { background-position: 100% 50%; }
            100% { background-position: 0% 50%; }
        }
        
        .text-gradient {
            background: linear-gradient(135deg, #1e40af 0%, #ef4444 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        
        .hover-lift {
            transition: all 0.3s ease;
        }
        
        .hover-lift:hover {
            transform: translateY(-5px);
            box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
        }
        
        .animate-float {
            animation: float 6s ease-in-out infinite;
        }
        
        @keyframes float {
            0%, 100% { transform: translateY(0px); }
            50% { transform: translateY(-10px); }
        }
        
        .event-hero {
            background: linear-gradient(rgba(30, 64, 175, 0.9), rgba(30, 64, 175, 0.8)), url('https://images.unsplash.com/photo-1551601651-2a8555f1a136?ixlib=rb-4.0.3&auto=format&fit=crop&w=1740&q=80');
            background-size: cover;
            background-position: center;
            background-attachment: fixed;
        }
        
        .info-card {
            transition: all 0.3s ease;
            border-left: 4px solid #3b82f6;
        }
        
        .info-card:hover {
            transform: translateX(5px);
            box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
        }
        
        .speaker-card {
            transition: all 0.3s ease;
        }
        
        .speaker-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 15px 30px rgba(0, 0, 0, 0.15);
        }
        
        .fade-in {
            animation: fadeIn 0.8s ease-in;
        }
        
        @keyframes fadeIn {
            from { opacity: 0; transform: translateY(20px); }
            to { opacity: 1; transform: translateY(0); }
        }
        
        .stagger-animation > * {
            opacity: 0;
            animation: fadeIn 0.8s ease forwards;
        }
        
        .stagger-animation > *:nth-child(1) { animation-delay: 0.1s; }
        .stagger-animation > *:nth-child(2) { animation-delay: 0.2s; }
        .stagger-animation > *:nth-child(3) { animation-delay: 0.3s; }
        .stagger-animation > *:nth-child(4) { animation-delay: 0.4s; }