@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@300;400;600&display=swap');

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Poppins', sans-serif;
    background: linear-gradient(135deg, #1a2a6c, #b21f1f, #fdbb2d);
    color: white;
    text-align: center;
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 20px;
    overflow: hidden;
}

.container {
    background: rgba(255, 255, 255, 0.2);
    padding: 40px;
    border-radius: 20px;
    box-shadow: 0px 8px 30px rgba(0, 0, 0, 0.4);
    max-width: 500px;
    width: 100%;
    backdrop-filter: blur(10px);
    animation: fadeIn 1s ease-in-out;
    transition: transform 0.3s ease-in-out;
}

.container:hover {
    transform: translateY(-5px);
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(-20px); }
    to { opacity: 1; transform: translateY(0); }
}

.btn {
    display: block;
    width: 100%;
    padding: 15px;
    margin: 15px 0;
    background: rgba(255, 255, 255, 0.25);
    color: white;
    border: 2px solid rgba(255, 255, 255, 0.5);
    border-radius: 30px;
    cursor: pointer;
    transition: all 0.4s ease-in-out;
    font-size: 18px;
    font-weight: bold;
    text-transform: uppercase;
    text-decoration: none;
    letter-spacing: 1px;
    backdrop-filter: blur(5px);
}

.btn:hover {
    background: rgba(255, 255, 255, 0.5);
    color: #1a2a6c;
    transform: scale(1.05);
}

.logo {
    position: absolute;
    top: 20px;
    left: 20px;
}

.logo img {
    width: 60px; /* Ajuste la taille du logo */
    height: auto;
    filter: drop-shadow(2px 4px 6px rgba(0, 0, 0, 0.3));
}

/* Responsive */
@media (max-width: 600px) {
    .container {
        padding: 30px;
        max-width: 90%;
    }

    .btn {
        font-size: 16px;
        padding: 12px;
    }
}