:root{
  --bg:#ffffff;
  --bg-2:#f4f7fb;
  --card:#ffffff;
  --line:rgba(15,30,60,.12);
  --txt:#0f1c33;
  --muted:#5a6b86;
  --accent:#0052cc;
  --accent-2:#d63031;
  --radius:16px;
  --max:1140px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  background:var(--bg);color:var(--txt);
  font-family:'Inter',-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,Helvetica,Arial,sans-serif;
  line-height:1.65;-webkit-font-smoothing:antialiased;overflow-x:hidden;
}
.wrap{max-width:var(--max);margin:0 auto;padding:0 24px}
.narrow{max-width:840px}
a{color:inherit;text-decoration:none}
section{padding:88px 0;position:relative}
h1,h2,h3{line-height:1.15;letter-spacing:-.02em;font-weight:700}
h2{font-size:clamp(1.8rem,3.6vw,2.4rem);margin-bottom:16px}
h3{font-size:1.1rem}
p{margin-bottom:14px}
.lead{color:var(--muted);font-size:1.05rem;max-width:660px}
.eyebrow{
  display:inline-block;font-size:.75rem;letter-spacing:.14em;text-transform:uppercase;
  color:var(--accent);font-weight:600;margin-bottom:14px;
}
.alt{background:var(--bg-2)}

/* NAV */
header{
  position:sticky;top:0;z-index:50;
  background:rgba(255,255,255,.9);backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
}
nav{display:flex;align-items:center;justify-content:space-between;height:70px;max-width:var(--max);margin:0 auto;padding:0 24px}
.nav-links{display:flex;gap:26px;align-items:center}
.nav-links a{color:var(--muted);font-size:.93rem;transition:color .2s}
.nav-links a:hover{color:var(--txt)}
.nav-links a.on{color:var(--txt);font-weight:600}
.nav-links a.btn-primary,.nav-links a.btn-primary:hover{color:#fff}
.nav-links a.btn-ghost,.nav-links a.btn-ghost:hover{color:var(--txt)}
.btn{
  display:inline-flex;align-items:center;gap:8px;
  padding:12px 22px;border-radius:10px;font-weight:600;font-size:.93rem;
  transition:transform .18s,box-shadow .18s,background .18s;border:1px solid transparent;cursor:pointer;
}
.btn-primary{background:var(--accent);color:#fff;box-shadow:0 6px 20px rgba(0,82,204,.22)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 10px 26px rgba(0,82,204,.3)}
.btn-ghost{border-color:var(--line);color:var(--txt)}
.btn-ghost:hover{background:rgba(15,30,60,.04)}
.burger{display:none;background:none;border:0;color:var(--txt);font-size:1.6rem;cursor:pointer;line-height:1}

/* HERO PAGE */
.page-hero{padding:78px 0 62px;position:relative;overflow:hidden}
.page-hero::before{
  content:'';position:absolute;top:-300px;left:50%;transform:translateX(-50%);
  width:940px;height:620px;pointer-events:none;
  background:radial-gradient(circle at 50% 50%,rgba(0,82,204,.10),transparent 62%),
             radial-gradient(circle at 70% 40%,rgba(214,48,49,.06),transparent 60%);
  filter:blur(8px);
}
.page-hero h1{font-size:clamp(2rem,4.6vw,3.1rem);margin-bottom:18px;position:relative}
.page-hero h1 em{font-style:normal;background:linear-gradient(100deg,var(--accent),var(--accent-2));-webkit-background-clip:text;background-clip:text;color:transparent}
.page-hero p.lead{font-size:1.1rem;margin-bottom:28px;position:relative}
.crumb{font-size:.84rem;color:var(--muted);margin-bottom:18px;position:relative}
.crumb a:hover{color:var(--accent)}
.hero-cta{display:flex;gap:14px;flex-wrap:wrap;position:relative}

/* CARTES */
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin-top:42px}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:22px;margin-top:42px}
.card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  padding:28px;transition:transform .22s,border-color .22s,box-shadow .22s;
}
.card:hover{transform:translateY(-4px);border-color:rgba(0,82,204,.35);box-shadow:0 12px 30px rgba(15,30,60,.08)}
.card h3{margin-bottom:9px}
.card p{color:var(--muted);font-size:.93rem;margin-bottom:0}
.ico{
  width:44px;height:44px;border-radius:12px;display:grid;place-items:center;margin-bottom:16px;
  background:rgba(0,82,204,.08);border:1px solid rgba(0,82,204,.18);
}
.ico svg{width:21px;height:21px;stroke:var(--accent);fill:none;stroke-width:1.9;stroke-linecap:round;stroke-linejoin:round}

/* LISTES */
.checks{list-style:none;margin:20px 0}
.checks li{padding-left:28px;position:relative;margin-bottom:11px;color:var(--muted);font-size:.96rem}
.checks li::before{content:'✓';position:absolute;left:0;top:0;color:var(--accent);font-weight:700}
.checks li b{color:var(--txt);font-weight:600}
.crosses{list-style:none;margin:20px 0}
.crosses li{padding-left:28px;position:relative;margin-bottom:11px;color:var(--muted);font-size:.96rem}
.crosses li::before{content:'×';position:absolute;left:0;top:-1px;color:var(--accent-2);font-weight:700;font-size:1.1rem}

/* ETAPES */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;margin-top:44px}
.step{position:relative;padding-top:26px}
.step::before{
  content:attr(data-n);position:absolute;top:-6px;left:0;
  font-size:2.5rem;font-weight:800;letter-spacing:-.04em;
  color:transparent;-webkit-text-stroke:1.4px rgba(0,82,204,.4);
}
.step h3{font-size:1.02rem;margin:10px 0 7px}
.step p{color:var(--muted);font-size:.9rem;margin-bottom:0}

/* SCENARIOS METIER */
.scenario{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  padding:30px 32px;margin-bottom:20px;
}
.scenario-head{display:flex;align-items:center;gap:14px;margin-bottom:16px}
.scenario-head .ico{margin-bottom:0;flex-shrink:0}
.scenario-head h3{font-size:1.14rem}
.scenario-head span{display:block;font-size:.8rem;color:var(--muted);font-weight:400;margin-top:2px}
.sc-grid{display:grid;grid-template-columns:1fr 1fr;gap:26px;margin-top:8px}
.sc-block h4{font-size:.76rem;text-transform:uppercase;letter-spacing:.1em;margin-bottom:9px}
.sc-before h4{color:var(--accent-2)}
.sc-after h4{color:var(--accent)}
.sc-block p{color:var(--muted);font-size:.93rem;margin-bottom:0}

/* TABLEAU COUTS */
.costs{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  overflow:hidden;margin-top:36px;
}
.costs table{width:100%;border-collapse:collapse}
.costs th,.costs td{padding:14px 20px;text-align:left;font-size:.94rem;border-bottom:1px solid var(--line)}
.costs th{background:var(--bg-2);font-size:.78rem;text-transform:uppercase;letter-spacing:.08em;color:var(--muted);font-weight:600}
.costs td:last-child,.costs th:last-child{text-align:right;font-variant-numeric:tabular-nums}
.costs tr:last-child td{border-bottom:0;font-weight:700;background:rgba(0,82,204,.05);font-size:1rem}
.costs .sub td{color:var(--muted);font-size:.88rem}

/* ENCADRES */
.note{
  margin-top:28px;padding:16px 20px;border-radius:12px;font-size:.88rem;color:var(--muted);
  background:rgba(0,82,204,.05);border:1px solid rgba(0,82,204,.16);
}
.note b{color:var(--txt)}
.callout{
  background:linear-gradient(135deg,#0052cc,#003d99);border-radius:var(--radius);
  padding:44px;color:#fff;margin-top:42px;
}
.callout h2,.callout h3{color:#fff}
.callout p{color:rgba(255,255,255,.87);max-width:640px}
.callout .checks li{color:rgba(255,255,255,.9)}
.callout .checks li::before{color:#7ef0c4}
.callout .checks li b{color:#fff}
.callout .btn-primary{background:#fff;color:#0052cc;box-shadow:none;margin-top:22px}
.callout .btn-primary:hover{background:#eef4ff}

/* FAQ */
.faq{margin-top:38px;max-width:840px}
.faq details{border-bottom:1px solid var(--line)}
.faq summary{
  cursor:pointer;list-style:none;padding:18px 34px 18px 0;position:relative;
  font-weight:600;font-size:1rem;
}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{
  content:'+';position:absolute;right:6px;top:15px;font-size:1.4rem;font-weight:400;color:var(--accent);
}
.faq details[open] summary::after{content:'−'}
.faq p{color:var(--muted);font-size:.95rem;padding:0 34px 20px 0;margin:0}

/* CTA */
.cta-band{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  padding:50px 44px;text-align:center;box-shadow:0 18px 44px rgba(15,30,60,.07);
}
.cta-band p{color:var(--muted);max-width:560px;margin:0 auto 26px}
.guarantee{display:inline-flex;align-items:center;gap:10px;margin-top:22px;font-size:.85rem;color:var(--muted)}
.guarantee svg{width:18px;height:18px;stroke:var(--accent);fill:none;stroke-width:2}

/* FOOTER */
footer{border-top:1px solid var(--line);padding:44px 0 32px;background:var(--bg-2)}
.foot{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:32px;max-width:var(--max);margin:0 auto;padding:0 24px}
.foot p,.foot address{color:var(--muted);font-size:.85rem;font-style:normal;margin:0}
.foot h4{font-size:.8rem;text-transform:uppercase;letter-spacing:.1em;margin-bottom:13px}
.foot-links{display:flex;flex-direction:column;gap:9px}
.foot-links a{color:var(--muted);font-size:.85rem;transition:color .2s}
.foot-links a:hover{color:var(--accent)}
.legal{
  border-top:1px solid var(--line);margin:32px auto 0;padding:20px 24px 0;
  max-width:var(--max);display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
}
.legal p{color:var(--muted);font-size:.8rem;margin:0}

/* REVEAL */
.rv{opacity:0;transform:translateY(20px);transition:opacity .6s ease,transform .6s ease}
.rv.on{opacity:1;transform:none}

/* RESPONSIVE */
@media(max-width:900px){
  .grid-3,.grid-2,.sc-grid,.foot{grid-template-columns:1fr}
  .steps{grid-template-columns:1fr 1fr}
  section{padding:64px 0}
  .callout{padding:32px 24px}
  .cta-band{padding:36px 24px}
  .scenario{padding:24px}
  .burger{display:block}
  .nav-links{
    position:absolute;top:70px;left:0;right:0;flex-direction:column;gap:0;
    background:var(--bg-2);border-bottom:1px solid var(--line);
    max-height:0;overflow:hidden;transition:max-height .3s ease;
  }
  .nav-links.open{max-height:420px}
  .nav-links a,.nav-links .btn{width:100%;padding:15px 24px;border-radius:0;justify-content:center}
  .nav-links .btn{margin:0 24px 12px;width:calc(100% - 48px);border-radius:10px}
}
@media(max-width:520px){
  .steps{grid-template-columns:1fr}
  .costs th,.costs td{padding:12px 14px;font-size:.88rem}
}
@media(prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important}
  .rv{opacity:1;transform:none}
}

/* ---------- TABLEAU COMPARATIF PRIX ---------- */
.pricetable{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  overflow:hidden;margin-top:36px;
}
.pricetable table{width:100%;border-collapse:collapse}
.pricetable th,.pricetable td{padding:15px 20px;text-align:left;font-size:.94rem;border-bottom:1px solid var(--line);vertical-align:top}
.pricetable th{
  background:var(--bg-2);font-size:.74rem;text-transform:uppercase;letter-spacing:.08em;
  color:var(--muted);font-weight:600;
}
.pricetable td:first-child{font-weight:600}
.pricetable .us{color:var(--accent);font-weight:700;white-space:nowrap}
.pricetable .them{color:var(--muted);white-space:nowrap}
.pricetable tr:last-child td{border-bottom:0}
.pricetable tbody tr:hover{background:rgba(0,82,204,.03)}
.saving{
  display:inline-block;font-size:.72rem;font-weight:700;padding:2px 8px;border-radius:20px;
  background:rgba(0,82,204,.1);color:var(--accent);margin-left:8px;
}

/* ---------- OFFRES ---------- */
.offers{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin-top:44px;align-items:stretch}
.offer{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  padding:32px;display:flex;flex-direction:column;position:relative;
}
.offer.hot{border-color:var(--accent);box-shadow:0 0 0 1px rgba(0,82,204,.25),0 18px 44px rgba(0,82,204,.1)}
.offer.hot::after{
  content:'Le plus choisi';position:absolute;top:-11px;left:32px;
  background:var(--accent);color:#fff;font-size:.68rem;font-weight:700;
  padding:4px 12px;border-radius:20px;letter-spacing:.04em;
}
.offer h3{font-size:1.15rem;margin-bottom:6px}
.offer .who{color:var(--muted);font-size:.86rem;margin-bottom:18px}
.offer .price{font-size:2rem;font-weight:800;letter-spacing:-.03em;color:var(--txt);margin-bottom:2px}
.offer .price small{font-size:.8rem;font-weight:500;color:var(--muted);display:block;letter-spacing:0}
.offer .market{font-size:.8rem;color:var(--muted);margin:8px 0 20px;padding-bottom:18px;border-bottom:1px solid var(--line)}
.offer .market s{opacity:.7}
.offer ul{list-style:none;font-size:.9rem;color:var(--muted);flex:1;margin-bottom:24px}
.offer li{padding-left:24px;position:relative;margin-bottom:9px}
.offer li::before{content:'✓';position:absolute;left:0;color:var(--accent);font-weight:700;font-size:.88rem}
.offer .btn{justify-content:center;width:100%}

/* ---------- FORMULAIRE DEVIS ---------- */
.fset{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  padding:30px 32px;margin-bottom:20px;
}
.fset legend, .fset .legend{
  font-size:.74rem;text-transform:uppercase;letter-spacing:.1em;color:var(--accent);
  font-weight:700;margin-bottom:6px;display:block;
}
.fset h3{font-size:1.1rem;margin-bottom:6px}
.fset .hint{color:var(--muted);font-size:.88rem;margin-bottom:22px}
.frow{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.field{margin-bottom:18px}
.field label{display:block;font-size:.86rem;font-weight:600;margin-bottom:7px}
.field .sub{display:block;font-weight:400;color:var(--muted);font-size:.8rem;margin-top:2px}
.field input,.field select,.field textarea{
  width:100%;background:#fbfcfe;border:1px solid var(--line);border-radius:10px;
  padding:12px 14px;color:var(--txt);font-family:inherit;font-size:.94rem;transition:border-color .18s;
}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--accent)}
.field textarea{resize:vertical;min-height:100px}
.checkgrid{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.checkbox{
  display:flex;align-items:flex-start;gap:10px;padding:12px 14px;
  border:1px solid var(--line);border-radius:10px;cursor:pointer;transition:border-color .18s,background .18s;
  font-size:.9rem;
}
.checkbox:hover{border-color:var(--accent);background:rgba(0,82,204,.03)}
.checkbox input{width:auto;margin-top:3px;flex-shrink:0;accent-color:var(--accent)}
.checkbox span b{display:block;font-weight:600}
.checkbox span em{font-style:normal;color:var(--muted);font-size:.82rem}
@media(max-width:700px){
  .frow,.checkgrid{grid-template-columns:1fr}
  .offers{grid-template-columns:1fr}
  .fset{padding:24px 20px}
}
@media(max-width:900px){
  .offers{grid-template-columns:1fr}
}