/* Article 04 — étapes pour transférer un logiciel personnalisé. Tous les sélecteurs sont préfixés par .p04. */
.p04{--p04-w:min(var(--wrap),calc(100% - 2*var(--gutter)));--p04-narrow:min(880px,calc(100% - 2*var(--gutter)));color:var(--ink)}
.p04 a{color:var(--blue-deep)}
.p04 .m-button{color:#fff}
.p04 .m-pill{color:#294ca7}
.p04 h1,.p04 h2,.p04 h3{font-weight:450;letter-spacing:-.035em;line-height:1.14;margin:0}
.p04 p,.p04 li,.p04 dd,.p04 td{color:#2e3b5a}
.p04 strong,.p04 b{color:var(--ink);font-weight:600}

/* Héros centré, illustration en bandeau */
.p04-hero{width:var(--p04-narrow);margin:36px auto 0;text-align:center}
.p04-kicker{display:flex;flex-wrap:wrap;justify-content:center;align-items:center;gap:8px 12px;margin:0}
.p04-kicker-note{font-size:13px;color:var(--muted)}
.p04-hero h1{font-size:clamp(30px,4.6vw,54px);letter-spacing:-.045em;margin:20px auto 22px;max-width:820px;overflow-wrap:break-word}
.p04-lead{font-size:clamp(17px,1.7vw,19.5px);line-height:1.6;margin:0 auto 24px;max-width:760px}
.p04-hero .byline{justify-content:center;text-align:left}
.p04-banner{width:var(--p04-w);margin:40px auto 0}
.p04-banner img{display:block;width:100%;height:auto;border-radius:var(--radius);border:1px solid #e3ebf8;background:var(--blue-mist)}
.p04-banner figcaption{font-size:12.5px;color:var(--muted);margin-top:10px;text-align:center}

/* Résumé numéroté + introduction */
.p04-intro{width:var(--p04-w);margin:56px auto 0;display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,.95fr);gap:48px;align-items:start}
.p04-summary{padding:26px 26px 18px;border-radius:var(--radius);background:var(--glass);border:1px solid #cfdcf8;box-shadow:var(--shadow)}
.p04-summary h2{font-size:22px;margin-bottom:14px}
.p04-summary ol{list-style:none;margin:0;padding:0;counter-reset:p04s}
.p04-summary li{counter-increment:p04s;border-top:1px solid #dfe8f8}
.p04-summary li:first-child{border-top:0}
.p04-summary a{display:grid;grid-template-columns:34px 1fr;column-gap:12px;padding:11px 4px;text-decoration:none;border-radius:10px}
.p04-summary a::before{content:counter(p04s);grid-row:1/3;display:grid;place-items:center;width:30px;height:30px;border-radius:50%;background:#fff;border:1px solid #b5ccfc;color:var(--blue);font-weight:600;font-size:14px}
.p04-summary a b{font-size:16px;color:var(--ink)}
.p04-summary a span{font-size:14px;color:var(--muted);line-height:1.45}
.p04-summary a:hover b{color:var(--blue)}
.p04-intro-text p{font-size:17px;margin:0 0 16px}

/* Sections */
.p04-section{width:var(--p04-w);margin:96px auto 0}
.p04-section>h2,.p04-template-head h2{font-size:clamp(27px,3.3vw,40px);max-width:800px}
.p04-sub{font-size:17px;max-width:760px;margin:14px 0 30px}
.p04-note{font-size:15px;max-width:860px;padding:14px 18px;border-radius:var(--radius-sm);background:var(--pale);border-left:3px solid #9fbaff;margin:22px 0 0}

/* Couloirs entreprise / ensemble / prestataire */
.p04-lanes{margin:0;padding:26px;border-radius:var(--radius);background:#fff;border:1px solid var(--line)}
.p04-lanes svg{display:block;width:100%;height:auto;font-family:Inter,Arial,sans-serif}
.p04-lanes .p04-tall{display:none;max-width:420px;margin-inline:auto}
.p04-lanes figcaption{display:flex;align-items:center;gap:10px;font-size:13.5px;color:var(--muted);margin-top:14px}
.p04-gate-key{flex:none;width:11px;height:11px;background:var(--blue);transform:rotate(45deg);border-radius:2px}

/* Étapes détaillées : rail vertical numéroté */
.p04-steps{list-style:none;margin:0;padding:0;position:relative}
.p04-steps::before{content:"";position:absolute;left:23px;top:24px;bottom:24px;width:2px;background:linear-gradient(#c7d8fd,#335cff)}
.p04-step{position:relative;display:grid;grid-template-columns:minmax(0,.85fr) minmax(0,1.15fr);gap:28px;padding:0 0 44px 72px;scroll-margin-top:110px}
.p04-step::before{content:"";position:absolute;left:12px;top:14px;width:24px;height:24px;border-radius:50%;background:#fff;border:2px solid var(--blue);box-shadow:0 0 0 6px #fff}
.p04-step.is-final::before{background:var(--blue)}
.p04-step-num{margin:0 0 8px;font-size:13px;font-weight:600;color:var(--blue)}
.p04-step-num span{margin-left:8px;font-weight:500;color:var(--muted);padding:2px 9px;border:1px solid var(--line);border-radius:999px}
.p04-step h3{font-size:clamp(22px,2.3vw,28px);margin-bottom:12px}
.p04-step-head p:last-child{margin:0;font-size:16px}
.p04-card{margin:0;display:grid;grid-template-columns:1fr 1fr;border:1px solid var(--line);border-radius:var(--radius);background:#fff;overflow:hidden}
.p04-card>div{padding:18px 20px;border-bottom:1px solid #edf2fb}
.p04-card>div:nth-child(odd){border-right:1px solid #edf2fb}
.p04-card dt{font-size:12.5px;font-weight:600;color:var(--blue);margin-bottom:6px;letter-spacing:.01em}
.p04-card dd{margin:0;font-size:15px;line-height:1.55}
.p04-card .p04-gate{grid-column:1/-1;border:0;background:linear-gradient(120deg,#eef3ff,#e2ebff);position:relative;padding-left:46px}
.p04-card .p04-gate::before{content:"";position:absolute;left:20px;top:22px;width:11px;height:11px;background:var(--blue);transform:rotate(45deg);border-radius:2px}
.p04-card .p04-gate dt{color:var(--blue-deep)}
.p04-card .p04-gate dd{color:var(--ink)}
.p04-card>div:nth-child(3){grid-column:1/-1;border-right:0}

/* Matrice RACI et plan */
.p04-raci-key{list-style:none;margin:0 0 18px;padding:0;display:flex;flex-wrap:wrap;gap:8px 18px;font-size:14px;color:var(--muted)}
.p04-raci-key b{display:inline-grid;place-items:center;width:24px;height:24px;margin-right:6px;border-radius:7px;background:var(--blue-soft);color:var(--blue-deep)}
.p04-table-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:var(--radius);background:#fff}
.p04-table-wrap:focus-visible{outline:3px solid var(--blue);outline-offset:3px}
.p04 table{width:100%;border-collapse:collapse;font-size:15px}
.p04 caption{caption-side:top;text-align:left;padding:16px 20px 4px;font-size:13px;color:var(--muted)}
.p04 th,.p04 td{padding:13px 16px;text-align:left;border-bottom:1px solid #edf2fb;vertical-align:top}
.p04 thead th{font-size:13px;font-weight:600;color:var(--ink);background:var(--pale)}
.p04 tbody tr:last-child>*{border-bottom:0}
.p04 tbody th{font-weight:600;color:var(--ink);white-space:nowrap}
.p04-raci{min-width:720px}
.p04-raci td{text-align:center;font-weight:500;color:var(--muted)}
.p04-raci thead th:not(:first-child){text-align:center}
.p04-raci td.is-r{color:var(--blue-deep);background:#f1f5ff}
.p04-raci td.is-a,.p04-raci td.is-ar{color:#fff;background:var(--blue);font-weight:600}
.p04-plan{min-width:760px}
.p04-plan td:nth-child(n+3){color:var(--muted);font-size:14px;white-space:nowrap}

/* Situations */
.p04-cases{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px}
.p04-cases article{padding:22px;border-radius:var(--radius);border:1px solid var(--line);background:linear-gradient(170deg,#fff,#f5f8ff)}
.p04-cases h3{font-size:19px;margin-bottom:10px}
.p04-cases p{margin:0;font-size:15px}

/* Modèle */
.p04-template-head{display:block}
.p04-copy{display:flex;align-items:center;gap:12px;margin:-12px 0 20px}
.p04-copy[hidden]{display:none}
.p04-copy button{cursor:pointer}
#p04-copy-status{font-size:14px;color:var(--muted)}

/* Mexar */
.p04-mexar-panel{padding:44px;border-radius:var(--radius);background:radial-gradient(120% 140% at 100% 0,#dfe8ff 0,#f5f8ff 55%,#fff 100%);border:1px solid #d7e2fa}
.p04-mexar-panel h2{font-size:clamp(26px,3vw,36px);margin-bottom:16px}
.p04-mexar-panel p{max-width:780px;font-size:16.5px}
.p04-actions{display:flex;flex-wrap:wrap;gap:12px;align-items:center;margin-top:22px}

/* Maillage */
.p04-related h2{font-size:24px;margin-bottom:18px}
.p04-related ul{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(auto-fit,minmax(210px,1fr));gap:12px}
.p04-related a{display:block;height:100%;padding:16px 18px;border-radius:var(--radius-sm);border:1px solid var(--line);text-decoration:none;background:#fff;transition:border-color .2s}
.p04-related a:hover{border-color:var(--blue)}
.p04-related b{display:block;font-size:15.5px;margin-bottom:4px}
.p04-related span{font-size:14px;color:var(--muted)}

@media(max-width:1060px){
  .p04-cases{grid-template-columns:repeat(2,minmax(0,1fr))}
  .p04-step{grid-template-columns:1fr;gap:16px}
}
@media(max-width:860px){
  .p04-intro{grid-template-columns:1fr;gap:28px}
}
@media(max-width:1100px){
  .p04-lanes{padding:16px 10px}
  .p04-lanes .p04-wide{display:none}
  .p04-lanes .p04-tall{display:block}
}
@media(max-width:700px){
  .p04-section{margin-top:72px}
  .p04-hero{text-align:left}
  .p04-kicker{justify-content:flex-start}
  .p04-hero .byline{justify-content:flex-start}
  .p04-steps::before{left:11px}
  .p04-step{padding-left:40px}
  .p04-step::before{left:0;width:22px;height:22px}
  .p04-card{grid-template-columns:1fr}
  .p04-card>div:nth-child(odd){border-right:0}
  .p04-card .p04-gate{grid-column:auto}
  .p04-cases{grid-template-columns:1fr}
  .p04-mexar-panel{padding:28px 22px}
  .p04-summary{padding:20px 16px 12px}
}
@media print{
  .p04-banner,.p04-copy,.p04-related{display:none}
  .p04-section{margin-top:32px}
}