/* Migrated from inline <style> — calculatrice-prix-de-vente-plat.css */
:root{--cream:#F7F5F0;--dark:#1C1A14;--accent:#1B4FCC;--accent-hover:#1640A8;--accent-light:rgba(27,79,204,0.07);--text-muted:#6B6560;--text-faint:#9B9590;--border:rgba(28,26,20,0.10);--shadow:0 4px 20px rgba(28,26,20,0.07);--radius:12px;--green:#16A34A;--orange:#D97706;--red:#DC2626}
        *{margin:0;padding:0;box-sizing:border-box}
        body{font-family:'DM Sans',sans-serif;background:var(--cream);color:var(--dark);line-height:1.7;-webkit-font-smoothing:antialiased}
        a{color:var(--accent);text-decoration:none}a:hover{color:var(--accent-hover)}
        .header{max-width:1100px;margin:0 auto;padding:24px 24px 0;display:flex;justify-content:space-between;align-items:center}
        .logo{font-family:'Fraunces',serif;font-style:italic;font-weight:400;font-size:24px;color:var(--dark)}
        .header-cta{font-size:14px;font-weight:600;color:var(--accent);border:1.5px solid var(--accent);padding:8px 18px;border-radius:8px;transition:all .2s}
        .header-cta:hover{background:var(--accent);color:#fff}
        .breadcrumb{max-width:720px;margin:0 auto;padding:24px 24px 0;font-size:13px;color:var(--text-faint)}
        .breadcrumb a{color:var(--text-muted)}
        .page{max-width:720px;margin:0 auto;padding:16px 24px 64px}
        .page h1{font-family:'Fraunces',serif;font-weight:400;font-size:clamp(26px,4vw,36px);line-height:1.25;margin-bottom:8px}
        .page .subtitle{color:var(--text-muted);font-size:16px;margin-bottom:32px}
        .page h2{font-family:'Fraunces',serif;font-weight:400;font-size:24px;margin:40px 0 16px;line-height:1.3}
        .page h3{font-size:18px;font-weight:600;margin:28px 0 10px}
        .page p{margin-bottom:16px;font-size:16px}
        .why-free{font-size:14px;color:var(--text-muted);font-style:italic;border-left:3px solid var(--border);padding:10px 14px;margin-top:8px;margin-bottom:8px;background:rgba(28,26,20,0.03);border-radius:0 6px 6px 0}
        .page ul,.page ol{margin:0 0 16px 24px;font-size:16px}
        .page li{margin-bottom:8px}

        /* Calculator card */
        .calc-card{background:#fff;border:1.5px solid var(--border);border-radius:var(--radius);padding:32px;margin-bottom:32px;box-shadow:var(--shadow)}
        .form-group{margin-bottom:20px}
        .form-group label{display:block;font-weight:600;font-size:14px;margin-bottom:6px}
        .form-group .hint{font-size:12px;color:var(--text-faint);font-weight:400;display:block;margin-top:3px}
        .form-group input,.form-group select{width:100%;padding:12px 14px;border:1.5px solid var(--border);border-radius:8px;font-size:16px;font-family:'DM Sans',sans-serif;background:var(--cream);transition:border-color .2s}
        .form-group input:focus,.form-group select:focus{outline:none;border-color:var(--accent)}
        .form-group input::placeholder{color:var(--text-faint)}
        .btn-comptable{display:block;width:100%;background:transparent;border:1.5px dashed var(--border);color:var(--text-muted);padding:10px 14px;border-radius:8px;font-size:14px;font-family:'DM Sans',sans-serif;cursor:pointer;text-align:center;margin-top:4px;transition:all .2s}
        .btn-comptable:hover{border-color:var(--accent);color:var(--accent);border-style:solid}

        /* Result */
        .result{display:none;margin-top:28px;padding-top:28px;border-top:1px solid var(--border)}
        .result.visible{display:block}

        /* 2-col result grid */
        .result-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-bottom:16px}
        @media(max-width:480px){.result-grid{grid-template-columns:1fr}}
        .result-card{background:var(--cream);border:1.5px solid var(--border);border-radius:8px;padding:20px;text-align:center}
        .result-card .rc-label{font-size:13px;color:var(--text-muted);font-weight:500;margin-bottom:8px}
        .result-card .big{font-family:'Fraunces',serif;font-size:40px;font-weight:500;color:var(--dark);line-height:1.1}

        .tva-detail{font-size:14px;color:var(--text-muted);text-align:center;margin-bottom:16px}
        .result-interp{padding:16px;border-radius:8px;font-size:15px;line-height:1.5;margin-bottom:16px}
        .result-interp.good{background:#F0FDF4;border:1px solid #BBF7D0;color:#166534}
        .result-interp.warning{background:#FEF3C7;border:1px solid #FDE68A;color:#92400E}
        .result-interp.critical{background:#FEF2F2;border:1px solid #FECACA;color:#991B1B}
        .result-saving{background:var(--accent-light);border:1px solid rgba(27,79,204,0.15);border-radius:8px;padding:14px 16px;font-size:14px;color:var(--accent);margin-bottom:16px}
        .result-saving strong{font-weight:700}

        /* Narratif Nael */
        .narratif-box{background:var(--accent-light);border:1px solid rgba(27,79,204,0.18);border-radius:8px;padding:16px 18px;margin-top:16px}
        .narratif-label{font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:.07em;color:var(--accent);margin-bottom:8px}
        .narratif-box p{font-size:15px;color:var(--dark);margin:0;line-height:1.65}

        /* CTA */
        .cta-box{background:#fff;border:1.5px solid var(--accent);border-radius:var(--radius);padding:28px;text-align:center;margin:36px 0}
        .cta-box p{margin-bottom:14px;font-size:16px;font-weight:500}
                .cta-box .cta-kicker { font-size:13px; font-weight:600; text-transform:uppercase; letter-spacing:.5px; color:var(--accent); margin-bottom:10px; }
        .cta-box .btn{display:inline-block;background:var(--accent);color:#fff;padding:12px 28px;border-radius:8px;font-weight:600;font-size:15px;transition:background .2s}
        .cta-box .btn:hover{background:var(--accent-hover);color:#fff}
        .cta-box .sub{color:var(--text-muted);font-size:13px;margin-top:8px;margin-bottom:0}

        table{width:100%;border-collapse:collapse;margin:16px 0 24px;font-size:14px}
        th{background:var(--dark);color:#fff;padding:10px 14px;text-align:left;font-weight:600}
        td{padding:10px 14px;border-bottom:1px solid var(--border)}
        tr:nth-child(even){background:rgba(28,26,20,0.03)}

        .faq{margin:32px 0}
        .faq details{border:1px solid var(--border);border-radius:8px;margin-bottom:10px;background:#fff}
        .faq summary{padding:14px 18px;font-weight:600;font-size:15px;cursor:pointer;list-style:none}
        .faq summary::-webkit-details-marker{display:none}
        .faq summary::before{content:"+ ";color:var(--accent);font-weight:700}
        .faq details[open] summary::before{content:"- "}
        .faq .faq-answer{padding:0 18px 14px;font-size:15px;color:var(--text-muted);line-height:1.6}

        .footer{border-top:1px solid var(--border);max-width:720px;margin:0 auto;padding:32px 24px;text-align:center;font-size:13px;color:var(--text-faint)}
        .footer a{color:var(--text-muted);margin:0 10px}

        /* Modal */
        .modal-overlay{display:none;position:fixed;inset:0;background:rgba(28,26,20,0.55);z-index:1000;align-items:center;justify-content:center;padding:24px}
        .modal-overlay.open{display:flex}
        .modal-box{background:#fff;border-radius:var(--radius);padding:32px;max-width:500px;width:100%;max-height:90vh;overflow-y:auto;box-shadow:0 20px 60px rgba(28,26,20,0.25)}
        .modal-box h3{font-family:'Fraunces',serif;font-weight:400;font-size:22px;margin-bottom:6px}
        .modal-box .modal-sub{font-size:14px;color:var(--text-muted);margin-bottom:18px}
        .modal-email{width:100%;min-height:220px;padding:14px;border:1.5px solid var(--border);border-radius:8px;font-family:'DM Sans',sans-serif;font-size:13px;background:var(--cream);resize:vertical;color:var(--dark);line-height:1.65}
        .modal-email:focus{outline:none;border-color:var(--accent)}
        .modal-actions{display:flex;gap:12px;margin-top:16px;flex-wrap:wrap}
        .btn-copy{background:var(--accent);color:#fff;border:none;padding:12px 20px;border-radius:8px;font-size:15px;font-weight:600;font-family:'DM Sans',sans-serif;cursor:pointer;transition:background .2s;flex:1}
        .btn-copy:hover{background:var(--accent-hover)}
        .btn-back{background:transparent;color:var(--text-muted);border:1.5px solid var(--border);padding:12px 20px;border-radius:8px;font-size:15px;font-weight:600;font-family:'DM Sans',sans-serif;cursor:pointer;transition:all .2s;flex:1}
        .btn-back:hover{border-color:var(--dark);color:var(--dark)}

        .outils-lies{display:flex;flex-wrap:wrap;gap:10px;margin:16px 0 24px}
        .outil-tag{font-size:13px;padding:6px 14px;border:1px solid var(--border);border-radius:99px;color:var(--text-muted);background:#fff;transition:all .2s}
        .outil-tag:hover{border-color:var(--accent);color:var(--accent);background:var(--accent-light)}