/* ========== Styles généraux ========== */
body {
    font-family: 'Poppins', sans-serif;
    margin: 0;
    padding: 0;
    background-color: #f8f9fd;
    text-align: center;
}

/* ========== Titre principal ========== */
h1 {
    color: #4B0082;
    margin-top: 20px;
    font-size: 28px;
    font-weight: bold;
}

/* ========== Conteneur principal ========== */
.souscription-container {
    width: 90%;
    max-width: 450px;
    margin: 20px auto;
}

/* ========== Cartes des plans d'investissement ========== */
.plan {
    background: linear-gradient(135deg, #FFD700, #FFCC00);
    border-radius: 15px;
    box-shadow: 0 8px 16px rgba(0, 0, 0, 0.2);
    padding: 20px;
    margin-bottom: 20px;
    text-align: center;
    color: black;
    transition: transform 0.3s ease-in-out;
}

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

/* Titre des plans */
.plan h2 {
    font-size: 22px;
    font-weight: bold;
    margin-bottom: 10px;
}

/* Détails des plans */
.plan p {
    font-size: 16px;
    margin: 5px 0;
}

/* ========== Boutons "Investir Maintenant" ========== */
.investir-btn {
    background: linear-gradient(to right, #7f00ff, #e100ff);
    color: white;
    border: none;
    padding: 14px 20px;
    font-size: 18px;
    border-radius: 10px;
    cursor: pointer;
    width: 100%;
    margin-top: 15px;
    transition: background 0.3s ease-in-out, transform 0.2s;
    font-weight: bold;
    box-shadow: 0 4px 10px rgba(127, 0, 255, 0.4);
}

.investir-btn:hover {
    background: linear-gradient(to right, #5e00c6, #b200c6);
    transform: scale(1.08);
}

/* ========== Menu de navigation fixe ========== */
.menu {
    position: fixed;
    bottom: 0;
    width: 100%;
    display: flex;
    justify-content: space-around;
    background: #3c0265;
    padding: 10px 0;
    z-index: 1000;
}

.menu a {
    color: white; /* ✅ Changement ici */
    text-decoration: none;
    padding: 12px 0;
    font-size: 16px;
    border-radius: 5px;
    font-weight: bold;
    transition: 0.3s;
    flex: 1;
    text-align: center;
}

.menu .active {
    background: yellow;
    color: rgb(0, 0, 0); /* ✅ Le lien actif reste noir */
    border-radius: 8px;
}

/* ========== Bouton WhatsApp ========== */
.whatsapp-btn {
    position: fixed;
    bottom: 80px;
    left: 20px;
    width: 50px;
}

.whatsapp-btn img {
    width: 100%;
}

/* ========== Responsive Design ========== */
@media (max-width: 600px) {
    .souscription-container {
        width: 95%;
    }
    .plan {
        padding: 15px;
    }
    .menu a {
        font-size: 14px;
        padding: 10px;
    }
}

.montant-input {
    width: 100%;
    padding: 14px 16px;
    font-size: 18px;
    border: 2px solid #ccc;
    border-radius: 10px;
    margin-top: 10px;
    margin-bottom: 15px;
    box-sizing: border-box;
}