/* Isolation Joliette — feuille de style unique, mobile-first, sans dépendance externe */

:root{
  --nuit:#0d1b2a; --nuit-2:#152a41; --nuit-3:#1e3a5f;
  --orange:#f26722; --orange-fonce:#d4520f; --orange-clair:#fff1e8;
  --blanc:#ffffff; --gris-05:#f7f9fb; --gris-10:#eef2f6; --gris-20:#dde5ec;
  --gris-50:#6b7c8d; --gris-70:#41525f; --texte:#1a2a38;
  --vert:#1f7a4d; --vert-clair:#e8f5ee;
  --rayon:10px; --rayon-lg:16px;
  --ombre:0 1px 3px rgba(13,27,42,.08),0 6px 18px rgba(13,27,42,.06);
  --ombre-lg:0 10px 40px rgba(13,27,42,.14);
  --max:1180px; --etroit:760px;
  --sans:'Segoe UI',system-ui,-apple-system,'Helvetica Neue',Arial,sans-serif;
  --barre-mobile:64px;
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;font-family:var(--sans);font-size:17px;line-height:1.7;
  color:var(--texte);background:var(--blanc);-webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;height:auto;display:block}
a{color:var(--nuit-3);text-decoration-thickness:1px;text-underline-offset:2px}
a:hover{color:var(--orange-fonce)}
h1,h2,h3,h4{line-height:1.2;margin:0 0 .6em;color:var(--nuit);letter-spacing:-.02em;font-weight:750}
h1{font-size:clamp(1.85rem,5vw,3rem)}
h2{font-size:clamp(1.45rem,3.4vw,2.1rem);margin-top:2.2em}
h3{font-size:clamp(1.15rem,2.2vw,1.35rem);margin-top:1.8em}
p{margin:0 0 1.1em}
ul,ol{padding-left:1.3em}
li{margin-bottom:.5em}
strong{font-weight:700;color:var(--nuit)}
hr{border:0;border-top:1px solid var(--gris-20);margin:3rem 0}
:focus-visible{outline:3px solid var(--orange);outline-offset:2px;border-radius:4px}

.wrap{width:100%;max-width:var(--max);margin-inline:auto;padding-inline:20px}
.etroit{max-width:var(--etroit);margin-inline:auto}
.sr{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}
.skip{position:absolute;left:-9999px;top:0;background:var(--orange);color:#fff;padding:12px 20px;z-index:200}
.skip:focus{left:0}

/* ---------- Boutons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:.5em;
  padding:15px 26px;border-radius:var(--rayon);font-weight:700;font-size:1.02rem;
  text-decoration:none;border:2px solid transparent;cursor:pointer;
  transition:transform .12s ease,background .15s ease,box-shadow .15s ease;
  line-height:1.25;text-align:center;white-space:nowrap;
}
.btn:hover{transform:translateY(-1px)}
.btn:active{transform:translateY(0)}
.btn-tel{background:var(--orange);color:#fff;box-shadow:0 4px 14px rgba(242,103,34,.34)}
.btn-tel:hover{background:var(--orange-fonce);color:#fff}
.btn-ghost{white-space:normal;background:transparent;color:var(--blanc);border-color:rgba(255,255,255,.55)}
.btn-ghost:hover{background:rgba(255,255,255,.12);color:#fff}
.btn-nuit{background:var(--nuit);color:#fff}
.btn-nuit:hover{background:var(--nuit-3);color:#fff}
.btn-lg{padding:18px 34px;font-size:1.1rem}
.btn-bloc{width:100%}

/* ---------- En-tête ---------- */
.topbar{background:var(--nuit);color:#c7d5e2;font-size:.82rem;padding:7px 0}
.topbar .wrap{display:flex;justify-content:space-between;align-items:center;gap:16px;flex-wrap:wrap}
.topbar a{color:#c7d5e2;text-decoration:none}
.topbar a:hover{color:#fff}
.topbar-zones{display:none}

header.site{position:sticky;top:0;z-index:100;background:#fff;border-bottom:1px solid var(--gris-20)}
header.site .wrap{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:70px}
.logo{display:flex;align-items:center;gap:11px;text-decoration:none;flex-shrink:0}
.logo svg{flex-shrink:0}
.logo-txt{display:flex;flex-direction:column;line-height:1.1}
.logo-nom{font-weight:800;font-size:1.16rem;color:var(--nuit);letter-spacing:-.03em}
.logo-sous{font-size:.68rem;color:var(--gris-50);text-transform:uppercase;letter-spacing:.11em;font-weight:600}

nav.principal{display:none}
.tel-entete{display:none}
.burger{
  display:flex;flex-direction:column;justify-content:center;gap:5px;width:46px;height:44px;
  background:none;border:1px solid var(--gris-20);border-radius:8px;cursor:pointer;padding:0 11px;
}
.burger span{display:block;height:2.5px;background:var(--nuit);border-radius:2px;transition:.22s}
.burger[aria-expanded="true"] span:nth-child(1){transform:translateY(7.5px) rotate(45deg)}
.burger[aria-expanded="true"] span:nth-child(2){opacity:0}
.burger[aria-expanded="true"] span:nth-child(3){transform:translateY(-7.5px) rotate(-45deg)}

.menu-mobile{
  display:none;position:fixed;inset:70px 0 0;background:#fff;z-index:99;overflow-y:auto;
  padding:22px 20px calc(var(--barre-mobile) + 40px);border-top:1px solid var(--gris-20);
}
.menu-mobile.ouvert{display:block}
.menu-mobile a{display:block;padding:13px 4px;border-bottom:1px solid var(--gris-10);text-decoration:none;color:var(--nuit);font-weight:600}
.menu-mobile .grp{font-size:.72rem;text-transform:uppercase;letter-spacing:.11em;color:var(--gris-50);margin:22px 0 4px;font-weight:700}
.menu-mobile .sub a{padding-left:14px;font-weight:500;font-size:.95rem;color:var(--gris-70)}

/* ---------- Barre collante mobile ---------- */
.sticky-mobile{
  position:fixed;left:0;right:0;bottom:0;z-index:150;display:grid;grid-template-columns:1fr 1fr;
  gap:1px;background:var(--gris-20);box-shadow:0 -3px 16px rgba(13,27,42,.16);
}
.sticky-mobile a{
  display:flex;align-items:center;justify-content:center;gap:8px;height:var(--barre-mobile);
  text-decoration:none;font-weight:700;font-size:1rem;
}
.sticky-mobile .sm-tel{background:var(--orange);color:#fff}
.sticky-mobile .sm-dev{background:var(--nuit);color:#fff}
body{padding-bottom:var(--barre-mobile)}

/* ---------- Hero ---------- */
.hero{position:relative;background:var(--nuit);color:#fff;overflow:hidden}
.hero-img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.34}
.hero::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(13,27,42,.72),rgba(13,27,42,.92))}
.hero .wrap{position:relative;z-index:2;padding-block:clamp(48px,9vw,86px)}
.hero h1{color:#fff;margin-bottom:.35em;max-width:16ch}
.hero-kicker{
  display:inline-flex;align-items:center;gap:8px;background:rgba(242,103,34,.18);
  border:1px solid rgba(242,103,34,.45);color:#ffb98d;padding:6px 15px;border-radius:100px;
  font-size:.8rem;font-weight:700;text-transform:uppercase;letter-spacing:.08em;margin-bottom:18px;
}
.hero-lead{font-size:clamp(1.03rem,2.1vw,1.2rem);color:#d3e0eb;max-width:56ch;margin-bottom:26px}
.hero-actions{display:flex;flex-direction:column;gap:12px;max-width:400px}
.hero-tel-note{font-size:.88rem;color:#9fb3c5;margin-top:14px}
.hero-tel-note strong{color:#fff}

/* ---------- Barre de confiance ---------- */
.confiance{background:var(--gris-05);border-bottom:1px solid var(--gris-20)}
.confiance ul{
  list-style:none;margin:0;padding:20px 0;display:grid;gap:13px;
  grid-template-columns:1fr;
}
.confiance li{display:flex;align-items:flex-start;gap:10px;margin:0;font-size:.93rem;font-weight:600;color:var(--gris-70)}
.confiance svg{flex-shrink:0;margin-top:2px;color:var(--vert)}

/* ---------- Sections ---------- */
section{padding-block:clamp(44px,7vw,76px)}
section.alt{background:var(--gris-05)}
section.nuit{background:var(--nuit);color:#d3e0eb}
section.nuit h2,section.nuit h3{color:#fff}
.section-tete{max-width:680px;margin-bottom:34px}
.section-tete h2{margin-top:0}
.section-tete p{color:var(--gris-70);font-size:1.05rem;margin-bottom:0}
section.nuit .section-tete p{color:#a9bccd}

/* ---------- Grilles / cartes ---------- */
.grille{display:grid;gap:18px;grid-template-columns:1fr}
.grille-2{display:grid;gap:20px;grid-template-columns:1fr}
.grille-4{display:grid;gap:14px;grid-template-columns:repeat(2,1fr)}

.carte{
  background:#fff;border:1px solid var(--gris-20);border-radius:var(--rayon-lg);overflow:hidden;
  display:flex;flex-direction:column;transition:transform .15s ease,box-shadow .15s ease,border-color .15s;
  text-decoration:none;color:inherit;
}
.carte:hover{transform:translateY(-3px);box-shadow:var(--ombre-lg);border-color:var(--gris-20);color:inherit}
.carte img{width:100%;aspect-ratio:16/10;object-fit:cover;background:var(--gris-10)}
.carte-corps{padding:19px 20px 22px;display:flex;flex-direction:column;flex:1}
.carte h3{margin:0 0 .45em;font-size:1.14rem}
.carte p{color:var(--gris-70);font-size:.95rem;margin-bottom:1em;flex:1}
.carte-lien{color:var(--orange-fonce);font-weight:700;font-size:.92rem;margin-top:auto}
.carte-lien::after{content:" →"}

.puce{
  display:block;padding:14px 17px;background:#fff;border:1px solid var(--gris-20);
  border-radius:var(--rayon);text-decoration:none;color:var(--nuit);font-weight:600;font-size:.95rem;
  transition:border-color .15s,background .15s;
}
.puce:hover{border-color:var(--orange);background:var(--orange-clair);color:var(--nuit)}
section.nuit .puce{background:var(--nuit-2);border-color:var(--nuit-3);color:#dce7f0}
section.nuit .puce:hover{background:var(--nuit-3);border-color:var(--orange);color:#fff}

/* ---------- Contenu d'article ---------- */
.contenu{max-width:var(--etroit)}
.contenu h2:first-child{margin-top:0}
.contenu>img,.contenu figure img{border-radius:var(--rayon-lg);margin-block:1.6em}
.lead{font-size:1.14rem;color:var(--gris-70);line-height:1.65}
.encadre{
  background:var(--gris-05);border:1px solid var(--gris-20);border-left:4px solid var(--orange);
  border-radius:var(--rayon);padding:22px 24px;margin-block:1.8em;
}
.encadre h3{margin-top:0;font-size:1.08rem}
.encadre ul{margin-bottom:0}
.encadre li::marker{color:var(--orange)}
.note{
  background:var(--vert-clair);border-left:4px solid var(--vert);border-radius:var(--rayon);
  padding:18px 22px;margin-block:1.6em;font-size:.96rem;
}
.note p:last-child{margin-bottom:0}

.tableau-wrap{overflow-x:auto;margin-block:1.8em;-webkit-overflow-scrolling:touch;border:1px solid var(--gris-20);border-radius:var(--rayon)}
table{border-collapse:collapse;width:100%;min-width:520px;font-size:.94rem}
th,td{padding:12px 15px;text-align:left;border-bottom:1px solid var(--gris-20);vertical-align:top}
th{background:var(--nuit);color:#fff;font-weight:700;font-size:.88rem;letter-spacing:.01em}
tbody tr:nth-child(even){background:var(--gris-05)}
tbody tr:last-child td{border-bottom:0}

/* ---------- FAQ ---------- */
.faq{margin-top:1.5em}
.faq details{border:1px solid var(--gris-20);border-radius:var(--rayon);margin-bottom:11px;background:#fff}
.faq summary{
  padding:17px 46px 17px 19px;font-weight:700;cursor:pointer;list-style:none;position:relative;
  color:var(--nuit);font-size:1.02rem;
}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{
  content:"+";position:absolute;right:18px;top:50%;transform:translateY(-50%);
  font-size:1.5rem;font-weight:400;color:var(--orange);line-height:1;
}
.faq details[open] summary::after{content:"−"}
.faq details[open] summary{border-bottom:1px solid var(--gris-10)}
.faq-rep{padding:16px 19px 4px;color:var(--gris-70)}

/* ---------- Formulaire ---------- */
.form-bloc{background:#fff;border:1px solid var(--gris-20);border-radius:var(--rayon-lg);padding:26px 22px;box-shadow:var(--ombre)}
.form-bloc h3{margin-top:0}
.champ{margin-bottom:15px}
.champ label{display:block;font-weight:650;font-size:.9rem;margin-bottom:6px;color:var(--nuit)}
.champ input,.champ select,.champ textarea{
  width:100%;padding:13px 14px;border:1px solid var(--gris-20);border-radius:var(--rayon);
  font-family:inherit;font-size:1rem;background:#fff;color:var(--texte);
}
.champ input:focus,.champ select:focus,.champ textarea:focus{border-color:var(--orange);outline:2px solid rgba(242,103,34,.18);outline-offset:0}
.champ textarea{min-height:110px;resize:vertical}
.form-note{font-size:.82rem;color:var(--gris-50);margin-top:12px}
.pot{position:absolute;left:-9999px}

/* ---------- Bandeau CTA ---------- */
.cta{background:linear-gradient(135deg,var(--nuit) 0%,var(--nuit-3) 100%);color:#fff;text-align:center}
.cta h2{color:#fff;margin-top:0}
.cta p{color:#c2d3e1;max-width:56ch;margin-inline:auto;font-size:1.06rem}
.cta-actions{display:flex;flex-direction:column;gap:12px;align-items:center;margin-top:26px}
.cta-actions .btn{width:100%;max-width:330px}

/* ---------- Fil d'Ariane ---------- */
.ariane{background:var(--gris-05);border-bottom:1px solid var(--gris-20);font-size:.84rem;padding:11px 0}
.ariane ol{list-style:none;margin:0;padding:0;display:flex;flex-wrap:wrap;gap:7px;align-items:center;color:var(--gris-50)}
.ariane li{margin:0;display:flex;align-items:center;gap:7px}
.ariane li+li::before{content:"›";color:var(--gris-20)}
.ariane a{color:var(--gris-70);text-decoration:none}
.ariane a:hover{color:var(--orange-fonce);text-decoration:underline}
.ariane [aria-current]{color:var(--nuit);font-weight:600}

/* ---------- Pied de page ---------- */
footer.site{background:var(--nuit);color:#9fb3c5;padding-block:48px 26px;font-size:.93rem}
footer.site h4{color:#fff;font-size:.78rem;text-transform:uppercase;letter-spacing:.12em;margin-bottom:14px}
footer.site a{color:#b9cad8;text-decoration:none}
footer.site a:hover{color:var(--orange);text-decoration:underline}
.pied-grille{display:grid;gap:32px;grid-template-columns:1fr}
.pied-liens{list-style:none;padding:0;margin:0;columns:2;column-gap:18px}
.pied-liens li{margin-bottom:8px;break-inside:avoid}
.pied-bas{border-top:1px solid var(--nuit-3);margin-top:36px;padding-top:22px;font-size:.84rem;color:#7c93a8}
.pied-bas a{color:#9fb3c5}
.divulgation{background:var(--nuit-2);border:1px solid var(--nuit-3);border-radius:var(--rayon);padding:15px 18px;margin-top:22px;font-size:.82rem;color:#93a9bd;line-height:1.6}
.pied-tel{font-size:1.42rem;font-weight:800;color:#fff;display:inline-block;margin-bottom:5px}
.pied-tel:hover{color:var(--orange)}

/* ---------- Divers ---------- */
.zones-liste{list-style:none;padding:0;margin:0;display:grid;gap:9px;grid-template-columns:repeat(2,1fr)}
.zones-liste li{margin:0}
.etapes{list-style:none;padding:0;counter-reset:e;display:grid;gap:20px}
.etapes li{counter-increment:e;padding-left:56px;position:relative;margin:0}
.etapes li::before{
  content:counter(e);position:absolute;left:0;top:-2px;width:40px;height:40px;border-radius:50%;
  background:var(--orange);color:#fff;display:flex;align-items:center;justify-content:center;
  font-weight:800;font-size:1.08rem;
}
.etapes h3{margin:0 0 .3em;font-size:1.1rem}
.etapes p{margin:0;color:var(--gris-70);font-size:.96rem}
.meta-article{font-size:.86rem;color:var(--gris-50);margin-bottom:1.6em}

/* ---------- Points de rupture ---------- */
@media (min-width:640px){
  .grille{grid-template-columns:repeat(2,1fr)}
  .grille-4{grid-template-columns:repeat(3,1fr)}
  .hero-actions{flex-direction:row}
  .hero-actions .btn{flex:1}
  .cta-actions{flex-direction:row;justify-content:center}
  .cta-actions .btn{width:auto}
  .confiance ul{grid-template-columns:repeat(2,1fr)}
  .zones-liste{grid-template-columns:repeat(3,1fr)}
  .pied-grille{grid-template-columns:repeat(2,1fr)}
  .form-bloc{padding:30px 30px}
}
@media (min-width:900px){
  body{padding-bottom:0}
  .sticky-mobile{display:none}
  .burger,.menu-mobile{display:none}
  .topbar-zones{display:block}
  nav.principal{display:flex;align-items:center;gap:4px;margin-left:auto}
  nav.principal>a,nav.principal>.drop>button{
    padding:9px 13px;text-decoration:none;color:var(--nuit);font-weight:650;font-size:.95rem;
    border-radius:8px;background:none;border:0;cursor:pointer;font-family:inherit;display:flex;align-items:center;gap:5px;
  }
  nav.principal>a:hover,nav.principal>.drop>button:hover{background:var(--gris-10);color:var(--nuit)}
  nav.principal>a[aria-current]{color:var(--orange-fonce)}
  .drop{position:relative}
  .drop-menu{
    display:none;position:absolute;top:calc(100% + 8px);left:0;background:#fff;
    border:1px solid var(--gris-20);border-radius:var(--rayon-lg);box-shadow:var(--ombre-lg);
    padding:10px;min-width:290px;max-height:74vh;overflow-y:auto;
  }
  .drop:hover .drop-menu,.drop:focus-within .drop-menu{display:block}
  .drop-menu a{display:block;padding:9px 12px;border-radius:7px;text-decoration:none;color:var(--gris-70);font-size:.93rem;font-weight:550}
  .drop-menu a:hover{background:var(--orange-clair);color:var(--nuit)}
  .drop-menu.deux{min-width:480px;columns:2;column-gap:6px}
  .drop-menu.deux a{break-inside:avoid}
  .tel-entete{
    display:inline-flex;align-items:center;gap:8px;background:var(--orange);color:#fff;
    padding:11px 19px;border-radius:var(--rayon);font-weight:800;text-decoration:none;
    margin-left:14px;font-size:1rem;white-space:nowrap;
  }
  .tel-entete:hover{background:var(--orange-fonce);color:#fff}
  .grille{grid-template-columns:repeat(3,1fr)}
  .grille-2{grid-template-columns:1.15fr .85fr;gap:44px;align-items:start}
  .grille-4{grid-template-columns:repeat(4,1fr)}
  .confiance ul{grid-template-columns:repeat(4,1fr);padding-block:22px}
  .zones-liste{grid-template-columns:repeat(4,1fr)}
  .pied-grille{grid-template-columns:1.4fr 1fr 1fr}
  .etapes{grid-template-columns:repeat(2,1fr);gap:26px 34px}
  .hero .wrap{padding-block:96px 104px}
  .contenu-2col{display:grid;grid-template-columns:1fr 340px;gap:52px;align-items:start}
  .colonne-collante{position:sticky;top:96px}
}
@media (min-width:1100px){
  .grille-svc{grid-template-columns:repeat(3,1fr)}
}

@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.01ms!important;transition-duration:.01ms!important;scroll-behavior:auto!important}
  .carte:hover,.btn:hover{transform:none}
}

@media print{
  header.site,footer.site,.sticky-mobile,.topbar,.cta,.ariane{display:none}
  body{padding:0;font-size:12pt}
}