/* ===== Reset & Base ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Segoe UI', sans-serif;
    background: #f3f6fc;
    min-height: 100vh;
    padding: 2rem;
}

/* ===== Form Container ===== */
.container {
    width: 100%;
    max-width: 1000px;
    margin: auto;
    background: #fff;
    padding: 2.5rem;
    border-radius: 12px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.12);
}

/* ===== Titles ===== */
h1 {
    text-align: center;
    margin-bottom: .5rem;
    color: #1a1a1a;
}

.subtitle {
    text-align: center;
    margin-bottom: 2rem;
    color: #555;
    font-size: .95rem;
}

/* ===== Progress Bar ===== */
.progress {
    width: 100%;
    height: 6px;
    background: #e0e0e0;
    border-radius: 4px;
    margin-bottom: 2rem;
    overflow: hidden;
}

.progress-bar {
    height: 100%;
    width: 50%;
    background: #007bff;
}

/* ===== Steps ===== */
.step {
    display: none;
}

.step.active {
    display: block;
}

/* ===== Inputs ===== */
.form-group {
    margin-bottom: 1.2rem;
}

.form-group label {
    display: block;
    font-weight: 600;
    margin-bottom: .4rem;
    color: #333;
}

.form-group input {
    width: 100%;
    padding: .9rem;
    border: 1px solid #aaa;
    border-radius: 6px;
    font-size: 1rem;
}

/* ===== Error Messages ===== */
.error-message {
    display: none;
    color: #e00;
    font-size: .85rem;
    margin-top: .2rem;
}

/* ===== Buttons ===== */
.buttons {
    margin-top: 1.5rem;
    display: flex;
    gap: 15px;
}

button {
    flex: 1;
    background: #861b1e;
    color: white;
    padding: .95rem;
    border: none;
    border-radius: 6px;
    font-size: 1.05rem;
    cursor: pointer;
}

button:hover {
    background: #0056b3;
}

button.secondary {
    background: #6c757d;
}

button.secondary:hover {
    background: #565e64;
}

/* ===== Desktop Layout (2 colonnes) ===== */
@media (min-width: 768px) {
    .step {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 20px;
    }

    .step h2,
    .buttons {
        grid-column: span 2;
    }
}

/* ===== Mobile ===== */
@media (max-width: 600px) {
    .container {
        padding: 1.5rem;
    }
}

.double-field {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 12px;
}

.double-field select,
.double-field input {
    width: 100%;
}
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px;
    border: 1px solid #ddd;
    border-radius: 6px;
    font-size: 15px;
    font-family: inherit;
    background: #fff;
}

.inline-fields {
    display: flex;
    gap: 12px;
}

.inline-fields select,
.inline-fields input {
    flex: 1;
    padding: 12px;
    border: 1px solid #ddd;
    border-radius: 6px;
    font-size: 15px;
    font-family: inherit;
}

/* Responsive mobile */
@media (max-width: 600px) {
    .inline-fields {
        flex-direction: column;
    }
}

.radio-group {
    display: flex;
    gap: 20px;
    margin-top: 10px;
}

.radio-group label {
    display: flex;
    align-items: center;
    gap: 6px;
    font-weight: 500;
    cursor: pointer;
}

.hidden {
    display: none;
}
.form-group select,
.form-group input {
    width: 100%;
    padding: 12px;
    border-radius: 6px;
    border: 1px solid #ccc;
    font-size: 15px;
}






.payment-image-wrapper {
    width: 100%;
    max-width: 1200px;      /* garde un rendu propre sur grand écran */
    margin: 40px auto;      /* centre l’image */
    overflow: hidden;       /* empêche le débordement */
}

#paymentImage {
    width: 100%;
    height: auto;           /* respecte les proportions */
    display: block;
    object-fit: contain;    /* évite toute déformation */
}