[hidden]{display:none!important}
/* Layout : page commerciale en bandes pleine largeur, colonne de contenu 1120px ; le héros montre une vraie conversation avec l'IA. */
:root{
  --bg:#F4F6F7; --surface:#FFFFFF; --ink:#102029; --muted:#55666F; --line:#DAE1E5;
  --navy:#0E2A36; --navy-ink:#E9F1F4; --navy-muted:#9DB4BE;
  --accent:#1C8C5E; --accent-ink:#FFFFFF; --soft:#E3F2EA; --chat:#EDF1F3;
  --pj:#E08A3C; --wait:#E3B93A; --ko:#C2413A; --client:#8E6BB0;
  --f-display:"Familjen Grotesk","Helvetica Neue",Arial,sans-serif;
  --f-body:"IBM Plex Sans","Segoe UI",Arial,sans-serif;
  --f-mono:"IBM Plex Mono",ui-monospace,Menlo,monospace;
}
@media (prefers-color-scheme: dark){:root:not([data-theme="light"]){
  --bg:#0D161B; --surface:#14212A; --ink:#E6EEF1; --muted:#97A9B2; --line:#24343E;
  --navy:#081419; --navy-ink:#E6EEF1; --navy-muted:#8FA5AE;
  --accent:#38B582; --accent-ink:#06170F; --soft:#123227; --chat:#1A2832; color-scheme:dark}}
:root[data-theme="dark"]{
  --bg:#0D161B; --surface:#14212A; --ink:#E6EEF1; --muted:#97A9B2; --line:#24343E;
  --navy:#081419; --navy-ink:#E6EEF1; --navy-muted:#8FA5AE;
  --accent:#38B582; --accent-ink:#06170F; --soft:#123227; --chat:#1A2832; color-scheme:dark}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
body{background:var(--bg);color:var(--ink);font:16px/1.6 var(--f-body);margin:0}
body::before{content:"";position:fixed;inset:0 0 auto;height:env(safe-area-inset-top,0px);z-index:30;background:var(--navy)}
.wrap{max-width:1120px;margin:0 auto;padding-left:max(16px,env(safe-area-inset-left,0px));padding-right:max(16px,env(safe-area-inset-right,0px))}
h1,h2,h3{font-family:var(--f-display);line-height:1.12;text-wrap:balance;margin:0}
h1{font-size:clamp(2.1rem,5vw,3.5rem);letter-spacing:-.015em}
h2{font-size:clamp(1.6rem,3.2vw,2.3rem);letter-spacing:-.01em}
h3{font-size:1.12rem}
p{margin:0;max-width:65ch}
a{color:inherit}
.eyebrow{font:600 .74rem/1 var(--f-body);letter-spacing:.14em;text-transform:uppercase;color:var(--accent)}
.muted{color:var(--muted)}
.mono{font-family:var(--f-mono);font-size:.88em}
section{padding-block:80px}
.sec-head{display:flex;flex-direction:column;gap:14px;margin-bottom:40px}
.btn{display:inline-flex;align-items:center;gap:8px;font:600 1rem var(--f-body);text-decoration:none;border-radius:8px;padding:13px 22px;border:1px solid transparent;cursor:pointer}
.btn-primary{background:var(--accent);color:var(--accent-ink)}
.btn-ghost{border-color:currentColor;background:transparent}
.btn:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible,button:focus-visible{outline:3px solid var(--wait);outline-offset:2px}
@media (prefers-reduced-motion:no-preference){.btn{transition:filter .15s,transform .15s}.btn:hover{filter:brightness(1.08);transform:translateY(-1px)}}

/* Header */
.top{position:sticky;top:env(safe-area-inset-top,0px);z-index:20;background:var(--navy);color:var(--navy-ink)}
.top .wrap{display:flex;align-items:center;justify-content:space-between;gap:16px;padding-block:14px}
.brand{display:flex;align-items:center;gap:10px;font:700 1.12rem var(--f-display);text-decoration:none}
.lens{width:26px;height:26px;border-radius:50%;border:3px solid var(--accent);position:relative;flex:none}
.lens::after{content:"";position:absolute;inset:5px 9px 5px 3px;border-radius:50%;background:var(--accent);opacity:.35}
.nav{display:flex;align-items:center;gap:22px;font-size:.93rem}
.nav a{text-decoration:none;color:var(--navy-muted)}
.nav a:hover{color:var(--navy-ink)}
.nav .btn{padding:9px 16px;font-size:.9rem;color:var(--navy-ink)}
@media (max-width:860px){.nav .lnk{display:none}}

/* Hero */
.hero{background:var(--navy);color:var(--navy-ink);padding-block:56px 88px}
.hero .wrap{display:grid;grid-template-columns:1.15fr .85fr;gap:56px;align-items:center}
.hero .wrap > *{min-width:0}
.hero .lead{font-size:1.16rem;color:var(--navy-muted);margin-top:20px}
.hero .ctas{display:flex;flex-wrap:wrap;gap:12px;margin-top:30px}
.hero .btn-ghost{color:var(--navy-ink)}
.facts{display:flex;flex-wrap:wrap;gap:10px 26px;margin-top:34px;font-size:.9rem;color:var(--navy-muted)}
.facts span::before{content:"✓";color:var(--accent);font-weight:700;margin-right:7px}
.phone{background:var(--surface);color:var(--ink);border-radius:24px;padding:18px;display:flex;flex-direction:column;gap:10px;box-shadow:0 30px 60px -30px rgba(0,0,0,.6)}
.phone .who{display:flex;align-items:center;gap:10px;padding-bottom:10px;border-bottom:1px solid var(--line);font-size:.88rem}
.phone .who b{font-family:var(--f-display)}
.phone .who small{display:block;color:var(--accent);font-size:.75rem}
.av{width:32px;height:32px;border-radius:50%;background:var(--soft);display:grid;place-items:center}
.av .lens{width:18px;height:18px;border-width:2px}
.msg{max-width:88%;padding:9px 12px;border-radius:14px;font-size:.92rem;line-height:1.45}
.msg.me{align-self:flex-end;background:var(--accent);color:var(--accent-ink);border-bottom-right-radius:4px}
.msg.ai{align-self:flex-start;background:var(--chat);border-bottom-left-radius:4px}
.msg .row{display:flex;justify-content:space-between;gap:16px}
.msg small{color:var(--muted);font-size:.74rem}
.ok{color:var(--accent);font-weight:600}

/* Problem band */
.problem{background:var(--surface);border-bottom:1px solid var(--line)}
.problem .wrap{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:start}
.problem .wrap > *{min-width:0}
.pains{list-style:none;margin:0;padding:0;display:flex;flex-direction:column}
.pains li{padding:16px 0;border-top:1px solid var(--line);display:flex;gap:14px}
.pains li:last-child{border-bottom:1px solid var(--line)}
.pains b{font-family:var(--f-mono);color:var(--ko);font-size:.85rem;min-width:28px}

/* Steps */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;counter-reset:s}
.step{background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:22px;display:flex;flex-direction:column;gap:10px;min-width:0}
.step .n{font:600 .78rem var(--f-mono);color:var(--accent)}
.chips{display:flex;flex-wrap:wrap;gap:8px;margin-top:28px;align-items:center}
.chips .lbl{font-size:.9rem;color:var(--muted);margin-right:6px}
.chip{font-size:.78rem;font-weight:600;padding:4px 10px;border-radius:999px;color:#fff}
.c-faire{background:var(--ko)}.c-pj{background:var(--pj)}.c-wait{background:var(--wait);color:#3A2E05}.c-good{background:#27AE60}.c-client{background:var(--client)}

/* Features */
.features{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line);border:1px solid var(--line);border-radius:14px;overflow:hidden}
.feat{background:var(--surface);padding:26px;display:flex;flex-direction:column;gap:10px;min-width:0}
.feat .ic{font-size:1.4rem}

/* Discretion */
.duo{display:grid;grid-template-columns:1fr 1fr;gap:28px}
.duo > div{background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:28px;min-width:0}
ul.clean{list-style:none;padding:0;margin:16px 0 0;display:flex;flex-direction:column;gap:12px}
ul.clean li{padding-left:28px;position:relative}
ul.clean li::before{content:"";position:absolute;left:0;top:.5em;width:13px;height:13px;border-radius:50%;border:2px solid var(--accent)}
ul.never li::before{border-color:var(--ko);border-radius:2px;transform:rotate(45deg);width:10px;height:10px;top:.6em}

/* Security */
.security{background:var(--navy);color:var(--navy-ink)}
.security .muted{color:var(--navy-muted)}
.sec-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.sec-grid > div{border-top:2px solid var(--accent);padding-top:16px;display:flex;flex-direction:column;gap:8px;min-width:0}
.sec-grid p{color:var(--navy-muted);font-size:.95rem}

/* Install */
.install .wrap{display:grid;grid-template-columns:.95fr 1.05fr;gap:56px;align-items:start}
.install .wrap > *{min-width:0}
.timeline{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:0}
.timeline li{display:grid;grid-template-columns:110px 1fr;gap:18px;padding:18px 0;border-top:1px solid var(--line)}
.timeline li:last-child{border-bottom:1px solid var(--line)}
.timeline .t{font:600 .8rem var(--f-mono);color:var(--accent);padding-top:3px}
.badge{display:inline-flex;gap:8px;align-items:center;background:var(--soft);color:var(--ink);border-radius:999px;padding:6px 14px;font-size:.88rem;font-weight:500;margin-top:22px}

.portails{display:flex;flex-wrap:wrap;gap:10px}
.portails span{border:1px solid var(--line);background:var(--surface);border-radius:8px;padding:8px 14px;font-weight:500}

/* FAQ */
.faq{display:flex;flex-direction:column;border-top:1px solid var(--line)}
details{border-bottom:1px solid var(--line);padding:18px 0}
summary{cursor:pointer;font:600 1.05rem var(--f-display);list-style:none;display:flex;justify-content:space-between;gap:16px}
summary::-webkit-details-marker{display:none}
summary::after{content:"+";color:var(--accent);font-size:1.3rem;line-height:1}
details[open] summary::after{content:"–"}
details p{margin-top:10px;color:var(--muted)}

/* Contact */
.contact{background:var(--surface);border-top:1px solid var(--line)}
.contact .wrap{display:grid;grid-template-columns:.8fr 1.2fr;gap:56px;align-items:start}
.contact .wrap > *{min-width:0}
form{display:flex;flex-direction:column;gap:16px}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.grid2 > *{min-width:0}
label{display:flex;flex-direction:column;gap:6px;font-size:.9rem;font-weight:500}
input,select,textarea{font:inherit;color:var(--ink);background:var(--bg);border:1px solid var(--line);border-radius:8px;padding:11px 12px;width:100%}
textarea{min-height:90px;resize:vertical}
.checks{display:flex;flex-wrap:wrap;gap:8px}
.checks label{flex-direction:row;align-items:center;gap:8px;border:1px solid var(--line);border-radius:8px;padding:7px 12px;font-weight:400;background:var(--bg);cursor:pointer}
.checks input{width:auto;accent-color:var(--accent)}
.consent{flex-direction:row;align-items:flex-start;gap:10px;font-weight:400;font-size:.88rem;color:var(--muted)}
.consent input{width:auto;margin-top:4px;accent-color:var(--accent)}
.err{color:var(--ko);font-size:.9rem}
.thanks{background:var(--soft);border-radius:12px;padding:24px;display:flex;flex-direction:column;gap:8px}
.hp{position:absolute;left:-9999px}

footer{background:var(--navy);color:var(--navy-muted);font-size:.88rem;padding-block:40px}
footer .wrap{display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap}
footer b{color:var(--navy-ink);font-family:var(--f-display)}

@media (max-width:900px){
  .hero .wrap,.problem .wrap,.install .wrap,.contact .wrap{grid-template-columns:1fr;gap:36px}
  .steps,.sec-grid{grid-template-columns:1fr 1fr}
  .features{grid-template-columns:1fr 1fr}
}
@media (max-width:560px){
  section{padding-block:56px}
  .steps,.sec-grid,.features,.duo,.grid2{grid-template-columns:1fr}
  .timeline li{grid-template-columns:1fr;gap:4px}
}

/* Ajouts OptiPEC */
.logo{width:30px;height:30px;flex:none}
.brand b{color:var(--accent)}
.prix{display:grid;grid-template-columns:1.1fr .9fr;gap:28px;align-items:stretch}
.prix > *{min-width:0}
.offre{background:var(--surface);border:2px solid var(--accent);border-radius:16px;padding:30px;display:flex;flex-direction:column;gap:14px}
.montant{font:700 clamp(2.4rem,6vw,3.4rem)/1 var(--f-display);font-variant-numeric:tabular-nums}
.montant small{font:500 1rem var(--f-body);color:var(--muted)}
.autres{background:var(--surface);border:1px solid var(--line);border-radius:16px;padding:30px;display:flex;flex-direction:column;gap:14px}
.calc{background:var(--surface);border:1px solid var(--line);border-radius:16px;padding:28px;display:grid;grid-template-columns:1fr 1fr;gap:28px}
.calc > *{min-width:0}
.calc .reglages{display:flex;flex-direction:column;gap:18px}
.calc output{font-variant-numeric:tabular-nums;font-weight:600;color:var(--accent)}
.calc input[type=range]{padding:0;accent-color:var(--accent);background:none;border:0}
.resultat{background:var(--soft);border-radius:12px;padding:24px;display:flex;flex-direction:column;gap:14px;justify-content:center}
.resultat .gros{font:700 clamp(2rem,5vw,2.8rem)/1 var(--f-display);font-variant-numeric:tabular-nums}
.resultat .ligne{display:flex;justify-content:space-between;gap:12px;border-top:1px solid var(--line);padding-top:10px;font-variant-numeric:tabular-nums}
.demo-band{background:var(--navy);color:var(--navy-ink)}
.demo-band .wrap{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center}
.demo-band .wrap > *{min-width:0}
.demo-band .muted{color:var(--navy-muted)}
.ecran{background:var(--surface);color:var(--ink);border-radius:14px;overflow:hidden;box-shadow:0 30px 60px -30px rgba(0,0,0,.6)}
.ecran .barre{background:var(--navy);color:var(--navy-ink);padding:10px 14px;font:600 .85rem var(--f-display);display:flex;justify-content:space-between}
.ecran .onglets{display:flex;gap:14px;padding:10px 14px;border-bottom:1px solid var(--line);font-size:.82rem;color:var(--muted);overflow-x:auto}
.ecran .onglets b{color:var(--ink);border-bottom:2px solid var(--accent);padding-bottom:4px}
.ecran .lignes{padding:12px 14px;display:flex;flex-direction:column;gap:8px;font-size:.85rem}
.ecran .lignes div{display:flex;justify-content:space-between;gap:10px;border-bottom:1px solid var(--line);padding-bottom:8px}
.ecran .lignes div:last-child{border:0}
.st{font-size:.72rem;font-weight:700;padding:2px 8px;border-radius:99px;color:#fff;white-space:nowrap}
.logiciels{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.logiciels > div{background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:20px;display:flex;flex-direction:column;gap:6px;min-width:0}
.dispo{font-size:.8rem;font-weight:600;color:var(--accent)}
.guides{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.guides a{background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:22px;text-decoration:none;display:flex;flex-direction:column;gap:8px;min-width:0}
.guides a:hover{border-color:var(--accent)}
.guides .lire{color:var(--accent);font-weight:600;font-size:.9rem;margin-top:auto}
.coord{display:flex;flex-direction:column;gap:10px;margin-top:22px}
.coord div{display:flex;gap:10px;align-items:center;flex-wrap:wrap}
.coord .copier{font:600 .8rem var(--f-body);background:var(--soft);color:var(--ink);border:0;border-radius:6px;padding:4px 10px;cursor:pointer}
.installer{display:flex;flex-direction:column;gap:6px}
.installer small{color:var(--navy-muted);font-size:.82rem}
footer .liens{display:flex;flex-direction:column;gap:6px}
footer a{color:var(--navy-muted)}
footer a:hover{color:var(--navy-ink)}
/* Pages secondaires */
.doc{padding-block:56px 80px}
.doc .wrap{max-width:780px}
.doc h1{font-size:clamp(1.8rem,4vw,2.5rem);margin-bottom:12px}
.doc h2{font-size:1.35rem;margin:36px 0 10px}
.doc h3{margin:22px 0 8px}
.doc p,.doc li{color:var(--ink);max-width:68ch}
.doc p+p{margin-top:12px}
.doc ul{padding-left:22px;display:flex;flex-direction:column;gap:6px}
.doc .note{background:var(--soft);border-radius:10px;padding:14px 16px;margin:18px 0}
.doc .a-completer{background:#FFF3D6;color:#5A4300;border-radius:4px;padding:0 4px;font-weight:600}
.doc article{border-top:1px solid var(--line);padding-top:28px;margin-top:40px}
.doc .retour{display:inline-block;margin-bottom:24px;color:var(--accent);font-weight:600;text-decoration:none}
@media (max-width:900px){.prix,.calc,.demo-band .wrap{grid-template-columns:1fr}.logiciels,.guides{grid-template-columns:1fr 1fr}}
@media (max-width:560px){.logiciels,.guides{grid-template-columns:1fr}}