/* Charte Graphique Inspirée d'Evole Énergies */
:root {
    --primary-blue: #0A2540;   /* Bleu profond corporate */
    --accent-green: #00C389;   /* Vert transition énergétique */
    --light-bg: #F8FAFC;       /* Fond de page gris très clair */
    --text-color: #334155;     /* Texte principal sombre */
    --border-color: #E2E8F0;   /* Bordures discrètes */
    --focus-shadow: rgba(0, 195, 137, 0.15);
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: var(--light-bg);
    color: var(--text-color);
    line-height: 1.6;
    margin: 0;
    padding: 20px;
}

.form-container {
    max-width: 850px;
    margin: 40px auto;
    background: #ffffff;
    padding: 40px;
    border-radius: 16px;
    box-shadow: 0 10px 25px rgba(10, 37, 64, 0.05);
    position: relative;
}

/* ==========================================================================
   ZONE LOGO AJUSTÉE ET CENTRÉE
   ========================================================================== */
.brand-header {
    text-align: center;
    margin-bottom: 30px;
    padding: 10px 0;
    width: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
    overflow: hidden;
}

.brand-logo-img {
    display: block;
    width: 250px !important;    /* Dimension idéale verrouillée à l'écran */
    height: auto !important;     /* Conserve strictement le ratio du logo */
    max-width: 100% !important;  /* Sécurité responsive pour mobile */
    object-fit: contain;
}

h1 {
    color: var(--primary-blue);
    font-size: 24px;
    font-weight: 700;
    text-align: center;
    margin-bottom: 5px;
}

.subtitle {
    text-align: center;
    color: #64748B;
    font-size: 14px;
    margin-bottom: 40px;
}

h3 {
    color: var(--primary-blue);
    font-size: 18px;
    margin-top: 0;
    margin-bottom: 12px;
}

.form-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
}

.form-group {
    display: flex;
    flex-direction: column;
}

.form-group.full-width {
    grid-column: span 2;
}

label {
    font-weight: 600;
    margin-bottom: 8px;
    font-size: 13px;
    color: var(--primary-blue);
}

input[type="text"],
input[type="email"],
input[type="tel"] {
    font-family: inherit;
    padding: 12px 16px;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    font-size: 14px;
    color: var(--text-color);
    background-color: #FFFFFF;
    transition: all 0.2s ease;
}

input:focus {
    outline: none;
    border-color: var(--accent-green);
    box-shadow: 0 0 0 4px var(--focus-shadow);
}

.readonly {
    background-color: #F1F5F9 !important;
    color: #94A3B8 !important;
    cursor: not-allowed;
}

.separator {
    border: 0;
    height: 1px;
    background: var(--border-color);
    margin: 40px 0;
}

/* RGPD Checkboxes */
.rgpd-notice {
    font-size: 13px;
    color: #64748B;
    margin-bottom: 24px;
}

.consent-section {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.checkbox-container {
    display: block;
    position: relative;
    padding-left: 36px;
    cursor: pointer;
    font-size: 14px;
    user-select: none;
    line-height: 22px;
}

.checkbox-container input {
    position: absolute;
    opacity: 0;
    cursor: pointer;
    height: 0;
    width: 0;
}

.checkmark {
    position: absolute;
    top: 0;
    left: 0;
    height: 22px;
    width: 22px;
    background-color: #FFFFFF;
    border: 2px solid #CBD5E1;
    border-radius: 6px;
    transition: all 0.2s ease;
}

.checkbox-container:hover input ~ .checkmark {
    border-color: var(--primary-blue);
}

.checkbox-container input:checked ~ .checkmark {
    background-color: var(--primary-blue);
    border-color: var(--primary-blue);
}

.checkmark:after {
    content: "";
    position: absolute;
    display: none;
}

.checkbox-container input:checked ~ .checkmark:after {
    display: block;
}

.checkbox-container .checkmark:after {
    left: 6px;
    top: 2px;
    width: 6px;
    height: 11px;
    border: solid white;
    border-width: 0 2.5px 2.5px 0;
    transform: rotate(45deg);
}

/* Encadré Loi Démarchage Août 2026 */
.special-consent-box {
    background-color: #F0FDF4;
    border-left: 4px solid var(--accent-green);
    padding: 24px;
    border-radius: 0 8px 8px 0;
    margin-top: 10px;
}

.special-consent-box .checkbox-container input:checked ~ .checkmark {
    background-color: var(--accent-green);
    border-color: var(--accent-green);
}

.law-mention {
    font-size: 12px;
    color: #166534;
    margin-top: 6px;
    margin-left: 36px;
    line-height: 1.5;
}

.font-bold {
    font-weight: 600;
}

.btn-submit {
    display: block;
    width: 100%;
    background-color: var(--primary-blue);
    color: white;
    padding: 16px;
    border: none;
    border-radius: 8px;
    font-size: 15px;
    font-weight: bold;
    cursor: pointer;
    margin-top: 32px;
    transition: background-color 0.2s;
}

.btn-submit:hover {
    background-color: #113860;
}

@media(max-width: 640px) {
    .form-grid {
        grid-template-columns: 1fr;
    }
    .form-group.full-width {
        grid-column: span 1;
    }
    .law-mention {
        margin-left: 0;
    }
    .brand-logo-img {
        width: 200px !important;
    }
}