/* =========================================================
   Signatures électroniques – Groupe LANALA
   Mise en forme de la page (version locale)
   ========================================================= */

/* ---------- Police Poppins (fichiers locaux) ---------- */
@font-face{font-family:'Poppins';font-style:normal;font-weight:400;font-display:swap;src:url(../fonts/poppins-400.woff2) format('woff2')}
@font-face{font-family:'Poppins';font-style:normal;font-weight:500;font-display:swap;src:url(../fonts/poppins-500.woff2) format('woff2')}
@font-face{font-family:'Poppins';font-style:normal;font-weight:600;font-display:swap;src:url(../fonts/poppins-600.woff2) format('woff2')}
@font-face{font-family:'Poppins';font-style:normal;font-weight:700;font-display:swap;src:url(../fonts/poppins-700.woff2) format('woff2')}

/* ---------- Couleurs et mesures ---------- */
:root{
  --black:#000000;
  --paper:#FFFFFF;
  --ink:#141414;
  --muted:#6B6B6B;
  --line:#ECECEC;
  --field:#F6F6F6;
  --danger:#C62828;
  --accent:#000000;          /* couleur de la filiale choisie (sur fond blanc) */
  --accent-dark:#FFFFFF;     /* couleur de la filiale choisie (sur fond noir) */
  --radius-panel:22px;
  --radius-control:12px;
  --shadow:0 1px 0 rgba(255,255,255,.06), 0 24px 60px rgba(0,0,0,.45);
  --font:'Poppins',system-ui,-apple-system,'Segoe UI',Arial,sans-serif;
}

/* ---------- Base ---------- */
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:84px}
body{margin:0;background:var(--black);color:var(--paper);font:400 15px/1.55 var(--font);-webkit-font-smoothing:antialiased}
button,input,select{font:inherit;color:inherit}
a{color:inherit}
:focus-visible{outline:2px solid var(--accent-dark);outline-offset:3px}
.hide{display:none!important}
.wrap{max-width:1320px;margin:0 auto;padding:0 28px}

/* ---------- En-tête ---------- */
.topbar{position:sticky;top:0;z-index:20;background:var(--paper);border-bottom:1px solid rgba(0,0,0,.06)}
.topbar-in{display:flex;align-items:center;justify-content:space-between;height:72px}
.brand{display:block;text-decoration:none}
.brand-logo{display:block;width:200px;height:29px;background:url(../brand/logo-lanala-groupe.png) no-repeat left center/contain}
.topnav{display:flex;gap:6px}
.topnav-link{border:0;background:none;color:var(--ink);font-size:14px;font-weight:500;padding:9px 16px;border-radius:999px;cursor:pointer;transition:background .15s}
.topnav-link:hover{background:#F1F1F1}
.topbar :focus-visible{outline-color:var(--black)}

/* ---------- Sections et en-têtes de section ---------- */
.section{padding:72px 0 88px}
.section-install{padding-top:24px;border-top:1px solid #1A1A1A}
.hero{max-width:720px;margin:0 auto 44px;text-align:center}
.hero-title{margin:0 0 14px;font-size:46px;line-height:1.1;font-weight:700;letter-spacing:-.02em}
.hero-title-sm{font-size:34px;margin-top:56px}
.hero-text{margin:0 auto;max-width:56ch;color:#B3B3B3;font-size:16.5px;line-height:1.65}
.hero-rule{display:block;width:56px;height:4px;border-radius:4px;margin:28px auto 0;background:var(--accent-dark);transition:background .35s,width .35s}
body.has-sub .hero-rule{width:96px}

/* ---------- Disposition formulaire / aperçu ---------- */
.studio{display:grid;grid-template-columns:minmax(320px,420px) minmax(0,1fr);gap:24px;align-items:stretch}
.column{display:flex;flex-direction:column;gap:24px;min-width:0}

/* ---------- Cartes ---------- */
.panel{background:var(--paper);color:var(--ink);border-radius:var(--radius-panel);box-shadow:var(--shadow);padding:28px}
.panel-head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:18px;flex-wrap:wrap}
.panel-title{margin:0;font-size:18px;font-weight:600;letter-spacing:-.01em}

/* ---------- Formulaire ---------- */
.form-panel{display:flex;flex-direction:column;box-shadow:inset 0 5px 0 var(--accent),var(--shadow);transition:box-shadow .35s}
.group{border:0;margin:0 0 10px;padding:0;min-width:0}
.group + .group{margin-top:14px;padding-top:24px;box-shadow:0 -1px 0 var(--line)}
.group-title{float:left;width:100%;display:flex;align-items:center;gap:12px;padding:0;margin-bottom:18px;font-size:16px;font-weight:600}
.group-title + *{clear:both}
.step{display:inline-grid;place-items:center;width:28px;height:28px;border-radius:50%;background:var(--accent);color:var(--paper);font-size:13px;font-weight:600;transition:background .35s}
.row2{display:grid;grid-template-columns:1fr 1fr;gap:0 14px}
.field{display:block;margin-bottom:16px}
.field-label{display:block;font-size:13px;font-weight:500;color:var(--ink);margin-bottom:7px}
.field-label em{font-style:normal;font-weight:400;color:var(--muted);margin-left:4px}
.field input,.field select{
  width:100%;height:48px;padding:0 14px;border-radius:var(--radius-control);
  border:1.5px solid transparent;background:var(--field);color:var(--ink);font-size:15px;
  transition:border-color .15s,background .15s,box-shadow .15s;
}
.field input::placeholder{color:#A6A6A6}
.field input:hover,.field select:hover{background:#F1F1F1}
.field input:focus,.field select:focus{outline:none;background:var(--paper);border-color:var(--accent);box-shadow:0 0 0 4px color-mix(in srgb, var(--accent) 14%, transparent)}
.field select{appearance:none;-webkit-appearance:none;cursor:pointer;padding-right:44px;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1.5l5 5 5-5' fill='none' stroke='%23141414' stroke-width='1.8' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-repeat:no-repeat;background-position:right 16px center}
.field .invalid{border-color:var(--danger);background:#FFF6F6}
.err{display:block;color:var(--danger);font-size:12.5px;margin-top:6px;min-height:0}
.err:empty{display:none}
.form-foot{margin-top:auto;padding-top:10px}
.form-hint{margin:12px 0 0;font-size:12.5px;color:var(--muted);text-align:center}

/* ---------- Boutons ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:48px;padding:0 22px;border-radius:var(--radius-control);border:1.5px solid transparent;font-size:15px;font-weight:600;cursor:pointer;white-space:nowrap;transition:background .15s,border-color .15s,transform .1s}
.btn:active{transform:translateY(1px)}
.btn-primary{background:var(--black);color:var(--paper)}
.btn-primary:hover{background:#262626}
.btn-ghost{height:40px;padding:0 16px;font-size:14px;background:var(--paper);color:var(--ink);border-color:#D6D6D6}
.btn-ghost:hover{border-color:var(--ink)}
.btn-block{width:100%;height:54px;font-size:16px}
.panel :focus-visible{outline-color:var(--black)}

/* ---------- Sélecteur Bureau / Mobile ---------- */
.seg{display:inline-flex;padding:4px;background:var(--field);border-radius:999px}
.seg button{border:0;background:none;padding:7px 16px;border-radius:999px;font-size:13px;font-weight:500;color:var(--muted);cursor:pointer;transition:background .15s,color .15s}
.seg button[aria-pressed="true"]{background:var(--black);color:var(--paper)}

/* ---------- Aperçu : fenêtre d'e-mail ---------- */
.mail{border:1px solid var(--line);border-radius:16px;overflow:hidden;background:var(--paper)}
.mail-bar{display:flex;align-items:center;gap:7px;height:42px;padding:0 16px;background:#F7F7F7;border-bottom:1px solid var(--line)}
.mail-bar i{width:11px;height:11px;border-radius:50%;background:#DADADA}
.mail-bar span{margin-left:10px;font-size:13px;font-weight:500;color:var(--muted)}
.mail-meta{padding:4px 22px;border-bottom:1px solid var(--line)}
.mail-line{display:flex;gap:14px;padding:9px 0;font-size:13.5px;color:var(--muted)}
.mail-line + .mail-line{border-top:1px solid #F3F3F3}
.mail-line b{width:46px;font-weight:500;color:var(--ink)}
.mail-body{padding:22px;overflow:hidden;color:#111}
.mail-body.mobile{max-width:380px}
.mail-text{margin:0 0 12px;font:14px/1.6 Arial,Helvetica,sans-serif;color:#333}
.pv-empty{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:4px;min-height:200px;border:1.5px dashed #DCDCDC;border-radius:14px;text-align:center;padding:24px}
.pv-empty-title{font-size:15px;font-weight:600;color:var(--ink)}
.pv-empty-text{font-size:13.5px;color:var(--muted)}
#pvSig{animation:none}
body.has-sub #pvSig:not(:empty){animation:sig-in .35s ease-out}
@keyframes sig-in{from{opacity:0;transform:translateY(6px)}to{opacity:1;transform:none}}

/* ---------- Fichiers ---------- */
.out-panel{box-shadow:inset 0 5px 0 var(--accent),var(--shadow)}
.out-head{display:flex;align-items:flex-start;justify-content:space-between;gap:20px;margin-bottom:18px}
.out-note{margin:6px 0 0;max-width:62ch;font-size:13.5px;color:var(--muted)}
.out-note b{color:var(--ink);font-weight:600}
.out-note a{color:var(--ink);font-weight:500}
.files{list-style:none;margin:0;padding:0;border:1px solid var(--line);border-radius:16px}
.file{display:flex;align-items:center;gap:16px;padding:14px 16px}
.file + .file{border-top:1px solid var(--line)}
.file-badge{flex:none;display:grid;place-items:center;width:46px;height:46px;border-radius:12px;background:var(--accent);color:var(--paper);font-size:11.5px;font-weight:700;letter-spacing:.02em;transition:background .35s}
.file-info{flex:1;min-width:0;display:flex;flex-direction:column}
.file-info b{font-size:14.5px;font-weight:600}
.file-info small{font-size:13px;color:var(--muted)}

/* ---------- Guide d'installation ---------- */
.guide{max-width:880px;margin:0 auto;padding:32px}
.tabs{display:flex;flex-wrap:wrap;gap:6px;padding:5px;background:var(--field);border-radius:999px;margin-bottom:26px}
.tabs button{flex:1;border:0;background:none;padding:10px 16px;border-radius:999px;font-size:14px;font-weight:500;color:var(--muted);cursor:pointer;white-space:nowrap;transition:background .15s,color .15s}
.tabs button[aria-selected="true"]{background:var(--black);color:var(--paper)}
.steps{list-style:none;counter-reset:s;margin:0;padding:0}
.steps li{counter-increment:s;position:relative;padding:12px 0 12px 52px;font-size:15px;color:var(--ink)}
.steps li + li{border-top:1px solid var(--line)}
.steps li::before{content:counter(s);position:absolute;left:0;top:9px;width:32px;height:32px;border-radius:50%;display:grid;place-items:center;background:var(--field);font-size:13px;font-weight:600;color:var(--ink)}

/* ---------- Pied de page ---------- */
.footer{border-top:1px solid #1A1A1A;padding:28px 0}
.footer-in{display:flex;align-items:center;justify-content:space-between;gap:16px;color:#8A8A8A;font-size:13px}
.brand-logo-sm{width:120px;height:18px;filter:invert(1);opacity:.8}

/* ---------- Message de confirmation ---------- */
.toast{position:fixed;left:50%;bottom:28px;transform:translateX(-50%);z-index:50;background:var(--paper);color:var(--ink);padding:12px 20px;border-radius:999px;font-size:14px;font-weight:500;box-shadow:0 12px 40px rgba(0,0,0,.45)}

/* ---------- Zone hors écran pour signature.png ---------- */
.render-host{position:fixed;left:-10000px;top:0;background:#FFFFFF;padding:16px;color:#111111}

/* ---------- Écrans moyens et petits ---------- */
@media (max-width:1200px){
  .studio{grid-template-columns:1fr}
  .form-foot{margin-top:8px}
}
@media (max-width:720px){
  .wrap{padding:0 16px}
  .topbar-in{height:62px}
  .brand-logo{width:150px;height:22px}
  .topnav-link:first-child{display:none}
  .section{padding:44px 0 56px}
  .hero{margin-bottom:28px}
  .hero-title{font-size:32px}
  .hero-title-sm{font-size:26px;margin-top:36px}
  .panel{padding:20px;border-radius:18px}
  .row2{grid-template-columns:1fr}
  .out-head{flex-direction:column}
  .out-head .btn{width:100%}
  .file{flex-wrap:wrap}
  .file .btn{width:100%}
  .tabs{border-radius:16px}
  .tabs button{flex:1 1 45%}
  .footer-in{flex-direction:column;text-align:center}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none!important;animation:none!important}
  html{scroll-behavior:auto}
}