:root{
  --ink:#0d1b2a;
  --steel:#1b3a5b;
  --glass:#e8f1f7;
  --glass-line:#c3dae8;
  --amber:#ffb703;
  --amber-deep:#f08700;
  --white:#ffffff;
  --grey:#5a6b7a;
  --line:#dde6ed;
  --shadow:0 18px 40px -20px rgba(13,27,42,.35);
  --header-h:72px;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  font-family:'Inter',sans-serif;
  color:var(--ink);
  background:var(--white);
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,.display{font-family:'Archivo',sans-serif;line-height:1.08;letter-spacing:-.02em}
.wrap{max-width:1180px;margin:0 auto;padding:0 24px}
a{color:inherit;text-decoration:none}
img,svg{max-width:100%}
:focus-visible{outline:3px solid var(--amber-deep);outline-offset:2px;border-radius:4px}
.skip-link{
  position:absolute;left:-9999px;top:0;z-index:100;
  background:var(--ink);color:var(--white);padding:12px 18px;border-radius:0 0 10px 0;
  font-family:'Archivo',sans-serif;font-weight:700;
}
.skip-link:focus{left:0}
.eyebrow{
  font-family:'Archivo',sans-serif;font-weight:700;font-size:.72rem;
  letter-spacing:.18em;text-transform:uppercase;color:var(--amber-deep);
}

/* ---------- HEADER ---------- */
/* Header transparent superposé au hero. `fixed` (et non `sticky`) est
   indispensable : en flux normal il occuperait sa place AU-DESSUS du hero
   et laisserait voir le fond blanc de la page au lieu du hero. */
header{
  position:fixed;top:0;left:0;right:0;z-index:50;
  background:transparent;
  border-bottom:1px solid transparent;
  transition:background .25s,border-color .25s;
}
/* Au-dessus du hero sombre : contenu clair. */
header .logo{color:var(--white)}
header .nav-links a{color:#c7d3de}
header .nav-links a:hover{color:var(--white)}
header .menu-toggle{color:var(--white)}

/* Fond opaque dès le défilement (.scrolled), ou d'emblée sur les pages
   sans hero sombre (.solid). */
header.scrolled,header.solid{
  background:rgba(255,255,255,.50);backdrop-filter:blur(10px);
  border-bottom-color:var(--line);
}
header.scrolled .logo,header.solid .logo{color:var(--ink)}
header.scrolled .nav-links a,header.solid .nav-links a{color:var(--grey)}
header.scrolled .nav-links a:hover,header.solid .nav-links a:hover{color:var(--ink)}
header.scrolled .menu-toggle,header.solid .menu-toggle{color:var(--ink)}

/* Le header fixe masquerait les ancres : on décale les cibles. */
[id]{scroll-margin-top:calc(var(--header-h) + 12px)}

.nav{display:flex;align-items:center;justify-content:space-between;height:var(--header-h)}
.logo{display:flex;align-items:center;gap:10px;font-family:'Archivo';font-weight:800;font-size:1.25rem;color:var(--ink);white-space:nowrap}
.logo .mark{
  width:34px;height:34px;border-radius:8px;
  background:linear-gradient(135deg,var(--steel),var(--ink));
  display:grid;place-items:center;position:relative;overflow:hidden;
}
.logo .mark::after{content:"";position:absolute;top:-6px;left:-14px;width:22px;height:52px;background:rgba(255,255,255,.22);transform:rotate(22deg)}
.logo .mark svg{width:20px;height:20px;position:relative;z-index:1}
.logo b{color:var(--amber)}
.nav-links{display:flex;gap:30px;font-weight:500;font-size:.95rem}
.nav-links a{color:var(--grey);transition:color .15s}
.nav-links a:hover{color:var(--ink)}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  font-family:'Archivo';font-weight:700;font-size:.95rem;
  padding:12px 22px;border-radius:10px;cursor:pointer;border:none;
  transition:transform .12s,box-shadow .12s;white-space:nowrap;
}
.btn:hover{transform:translateY(-2px)}
.btn-amber{background:var(--amber);color:var(--ink);box-shadow:0 8px 20px -8px rgba(240,135,0,.7)}
.btn-dark{background:var(--ink);color:var(--white)}
.btn-ghost{background:transparent;border:1.5px solid var(--line);color:var(--ink)}
.btn-block{width:100%;padding:16px;font-size:1.05rem}
.menu-toggle{display:none;background:none;border:none;cursor:pointer;color:var(--ink);padding:6px}

/* ---------- HERO ---------- */
.hero{position:relative;background:var(--ink);color:var(--white);overflow:hidden;padding:0}
.hero::before{
  content:"";position:absolute;inset:0;
  background:
    radial-gradient(900px 500px at 78% -10%,rgba(27,58,91,.9),transparent 60%),
    radial-gradient(600px 400px at 10% 110%,rgba(255,183,3,.12),transparent 60%);
}
/* subtle crack signature */
.crack{position:absolute;top:0;right:0;width:52%;height:100%;opacity:.5;pointer-events:none}
/* padding-top compense la hauteur du header fixe qui recouvre le hero. */
.hero .wrap{position:relative;display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center;padding-top:calc(70px + var(--header-h));padding-bottom:70px}
.hero-copy .eyebrow{color:var(--amber)}
.hero h1{font-size:clamp(2.3rem,4.6vw,3.5rem);font-weight:800;margin:16px 0 20px}
.hero h1 .hl{color:var(--amber);position:relative}
.hero p.lead{font-size:1.15rem;color:#c7d3de;max-width:520px}
.trust{display:flex;flex-wrap:wrap;gap:18px 26px;margin-top:28px}
.trust span{display:flex;align-items:center;gap:8px;font-weight:600;font-size:.92rem;color:#dfe8ef}
.trust svg{color:var(--amber);flex-shrink:0}

/* form card */
.form-card{background:var(--white);color:var(--ink);border-radius:18px;padding:30px;box-shadow:var(--shadow)}
.form-card .badge{
  display:inline-flex;align-items:center;gap:8px;background:var(--glass);
  color:var(--steel);font-family:'Archivo';font-weight:700;font-size:.82rem;
  padding:7px 13px;border-radius:100px;margin-bottom:16px;border:1px solid var(--glass-line);
}
.form-card h3{font-size:1.4rem;font-weight:800;margin-bottom:4px}
.form-card .sub{color:var(--grey);font-size:.92rem;margin-bottom:20px}
.field{margin-bottom:13px}
.field label{display:block;font-size:.8rem;font-weight:600;color:var(--steel);margin-bottom:5px}
.field input,.field select{
  width:100%;padding:12px 14px;border:1.5px solid var(--line);border-radius:10px;
  font-family:inherit;font-size:.95rem;color:var(--ink);background:var(--white);transition:border-color .15s,box-shadow .15s;
}
.field input:focus,.field select:focus{outline:none;border-color:var(--amber);box-shadow:0 0 0 3px rgba(255,183,3,.2)}
.field-row{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.form-note{font-size:.78rem;color:var(--grey);text-align:center;margin-top:12px}
/* Sélecteur compound : doit l'emporter sur `.cta-box p` */
form p.form-error{
  margin-top:12px;padding:11px 14px;border-radius:10px;
  background:#fdecec;border:1px solid #f3c2c2;color:#a02020;
  font-size:.85rem;text-align:center;
}
.toggle{display:flex;gap:8px;background:var(--glass);padding:5px;border-radius:12px;margin-bottom:20px}
.toggle button{
  flex:1;border:none;background:transparent;cursor:pointer;padding:10px;border-radius:8px;
  font-family:'Archivo';font-weight:700;font-size:.9rem;color:var(--steel);transition:.15s;
}
.toggle button.active{background:var(--white);color:var(--ink);box-shadow:0 2px 8px rgba(13,27,42,.1)}

/* ---------- SECTION SHELL ---------- */
section{padding:84px 0}
.sec-head{text-align:center;max-width:640px;margin:0 auto 52px}
.sec-head h2{font-size:clamp(1.9rem,3.4vw,2.6rem);font-weight:800;margin:12px 0}
.sec-head p{color:var(--grey);font-size:1.08rem}

/* ---------- SERVICES ---------- */
.services{background:var(--white)}
.svc-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.svc{
  border:1px solid var(--line);border-radius:16px;padding:26px;background:var(--white);
  transition:transform .18s,box-shadow .18s,border-color .18s;
}
.svc:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:var(--glass-line)}
.svc .ico{
  width:48px;height:48px;border-radius:12px;background:var(--glass);
  display:grid;place-items:center;color:var(--steel);margin-bottom:16px;
}
.svc h3{font-size:1.15rem;font-weight:700;margin-bottom:6px}
.svc p{color:var(--grey);font-size:.94rem}

/* ---------- ADVANTAGES ---------- */
.adv{background:var(--glass)}
.offer-banner{
  background:linear-gradient(100deg,var(--ink),var(--steel));
  color:var(--white);border-radius:18px;padding:30px 36px;
  display:flex;align-items:center;justify-content:space-between;gap:24px;
  margin-bottom:40px;position:relative;overflow:hidden;
}
.offer-banner::after{content:"";position:absolute;right:-40px;top:-40px;width:180px;height:180px;border-radius:50%;background:rgba(255,183,3,.14)}
.offer-banner .gift{font-size:2rem}
.offer-banner h3{font-size:1.5rem;font-weight:800}
.offer-banner p{color:#c7d3de;font-size:.9rem;margin-top:2px}
.offer-banner .btn{position:relative;z-index:1}
.adv-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.adv-card{background:var(--white);border-radius:16px;padding:26px;display:flex;gap:18px}
.adv-card .ico{flex-shrink:0;width:46px;height:46px;border-radius:11px;background:var(--ink);color:var(--amber);display:grid;place-items:center}
.adv-card h3{font-size:1.1rem;font-weight:700;margin-bottom:5px}
.adv-card p{color:var(--grey);font-size:.92rem}

/* ---------- STEPS ---------- */
.steps{background:var(--white)}
.step-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.step{position:relative;padding:30px;border-radius:16px;background:var(--glass);border:1px solid var(--glass-line)}
.step .num{
  font-family:'Archivo';font-weight:800;font-size:1.1rem;
  width:40px;height:40px;border-radius:10px;background:var(--amber-deep);
  display:grid;place-items:center;margin-bottom:16px;color:var(--ink);
}
.step h3{font-size:1.15rem;font-weight:700;margin-bottom:6px}
.step p{color:var(--grey);font-size:.94rem}

/* ---------- CENTERS ---------- */
.centers{background:var(--ink);color:var(--white)}
.centers .sec-head h2{color:var(--white)}
.centers .sec-head p{color:#c7d3de}
.center-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.center{
  background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.12);
  border-radius:14px;padding:22px;transition:.18s;
}
.center:hover{background:rgba(255,255,255,.09);border-color:var(--amber)}
.center .pin{display:flex;align-items:center;gap:9px;font-family:'Archivo';font-weight:700;font-size:1.2rem}
.center .pin svg{color:var(--amber)}
.center small{display:block;color:#9fb2c2;margin:10px 0 12px;font-size:.86rem}
.center a{font-family:'Archivo';font-weight:700;font-size:.85rem;color:var(--amber);display:inline-flex;align-items:center;gap:5px}
/* Compound `.center a.center-tel` : doit l'emporter sur `.center a` ci-dessus. */
.center a.center-tel{
  display:flex;gap:8px;font-size:1.05rem;color:var(--white);
  margin-bottom:14px;transition:color .15s;
}
.center a.center-tel svg{color:var(--amber);flex-shrink:0}
.center a.center-tel:hover{color:var(--amber)}

/* ---------- CTA FINAL ---------- */
.cta-final{background:var(--glass)}
.cta-box{
  background:var(--white);border-radius:20px;padding:52px;box-shadow:var(--shadow);
  display:grid;grid-template-columns:1fr 1fr;gap:44px;align-items:center;
}
.cta-box h2{font-size:2rem;font-weight:800;margin-bottom:12px}
.cta-box p{color:var(--grey);font-size:1.05rem}
.cta-box form{background:var(--glass);padding:26px;border-radius:14px}
.cta-box .trust{margin-top:22px}
.cta-box .trust span{color:var(--steel)}

/* ---------- FAQ ---------- */
.faq{background:var(--white)}
.faq-list{max-width:780px;margin:0 auto}
.faq-item{border-bottom:1px solid var(--line)}
.faq-q{
  width:100%;text-align:left;background:none;border:none;cursor:pointer;
  padding:22px 0;font-family:'Archivo';font-weight:700;font-size:1.08rem;color:var(--ink);
  display:flex;justify-content:space-between;align-items:center;gap:16px;
}
.faq-q .plus{flex-shrink:0;transition:transform .2s;color:var(--amber-deep);font-size:1.4rem;line-height:1}
.faq-item.open .plus{transform:rotate(45deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .25s ease;color:var(--grey)}
.faq-a p{padding-bottom:22px}

/* ---------- FOOTER ---------- */
footer{background:var(--ink);color:#9fb2c2;padding:56px 0 30px}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:40px;margin-bottom:40px}
.foot-grid .logo{color:var(--white);margin-bottom:14px}
.foot-grid .about{font-size:.92rem;max-width:320px}
footer h4{font-family:'Archivo';font-weight:700;color:var(--white);font-size:.9rem;letter-spacing:.05em;text-transform:uppercase;margin-bottom:16px}
footer ul{list-style:none}
footer li{margin-bottom:9px;font-size:.92rem}
footer a:hover{color:var(--amber)}
.foot-bottom{border-top:1px solid rgba(255,255,255,.1);padding-top:22px;font-size:.82rem;display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px}

/* ---------- PAGES LÉGALES ---------- */
.legal{padding:calc(64px + var(--header-h)) 0 64px}
.legal .wrap{max-width:760px}
.legal h1{font-size:clamp(1.9rem,3.4vw,2.6rem);font-weight:800;margin-bottom:8px}
.legal h2{font-size:1.25rem;font-weight:700;margin:36px 0 10px}
.legal p,.legal li{color:var(--grey)}
.legal ul{margin:0 0 0 20px}
.legal li{margin-bottom:6px}
.legal .back{display:inline-block;margin-bottom:28px;font-family:'Archivo';font-weight:700;color:var(--amber-deep)}
.legal .todo{
  background:var(--glass);border:1px solid var(--glass-line);border-radius:12px;
  padding:16px 18px;margin:20px 0;font-size:.92rem;color:var(--steel);
}

/* ---------- UTILITIES ---------- */
.center-cta{text-align:center;margin-top:40px}
.offer-banner .offer-text{display:flex;align-items:center;gap:18px}

/* ---------- RESPONSIVE ---------- */
@media(max-width:900px){
  .nav-links{
    display:none;position:absolute;top:var(--header-h);left:0;right:0;
    flex-direction:column;gap:0;background:var(--white);
    border-bottom:1px solid var(--line);padding:8px 24px 18px;
    box-shadow:var(--shadow);
  }
  .nav-links.open{display:flex}
  .nav-links a{padding:12px 0;border-bottom:1px solid var(--line)}
  .nav-links a:last-child{border-bottom:none}
  /* Le panneau déroulant est blanc : liens sombres même header transparent. */
  header .nav-links a{color:var(--grey)}
  header .nav-links a:hover{color:var(--ink)}
  .menu-toggle{display:block;order:3}
  .hero .wrap{grid-template-columns:1fr;gap:36px;padding-top:calc(48px + var(--header-h))}
  .crack{display:none}
  .svc-grid,.step-grid,.center-grid{grid-template-columns:1fr 1fr}
  .adv-grid{grid-template-columns:1fr}
  .cta-box{grid-template-columns:1fr;padding:34px}
}
@media(max-width:600px){
  section{padding:60px 0}
  .svc-grid,.step-grid,.center-grid,.field-row{grid-template-columns:1fr}
  .offer-banner{flex-direction:column;text-align:center;align-items:center}
  .offer-banner .offer-text{flex-direction:column}
}
@media(prefers-reduced-motion:reduce){*{transition:none!important;scroll-behavior:auto}}