/* ==========================================================================
   MA-LUMIÈRE — Feuille de style principale
   Électricité · Climatisation · Vidéosurveillance · Alarme · Maintenance
   ========================================================================== */

/* ---------- 1. Variables & reset ---------- */
:root{
  --bleu:#0B6FD4;
  --bleu-clair:#2F93F0;
  --bleu-nuit:#0A2744;
  --bleu-nuit-2:#133A60;
  --jaune:#FFC107;
  --jaune-fonce:#F0A500;
  --anthracite:#3A3F44;
  --gris:#5C6672;
  --gris-clair:#F4F7FB;
  --gris-bord:#E3E9F2;
  --blanc:#FFFFFF;
  --radius:14px;
  --radius-sm:8px;
  --ombre:0 10px 30px rgba(10,39,68,.08);
  --ombre-forte:0 18px 45px rgba(10,39,68,.16);
  --transition:.35s cubic-bezier(.25,.8,.25,1);
  --font:'Segoe UI',system-ui,-apple-system,'Helvetica Neue',Arial,sans-serif;
  --header-h:96px;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;scroll-padding-top:110px;}
body{
  margin:0;font-family:var(--font);font-size:17px;line-height:1.7;
  color:var(--anthracite);background:var(--blanc);overflow-x:hidden;
}
img{max-width:100%;height:auto;display:block;}
a{color:var(--bleu);text-decoration:none;transition:color var(--transition);}
a:hover{color:var(--jaune-fonce);}
h1,h2,h3,h4{font-weight:800;line-height:1.2;color:var(--bleu-nuit);margin:0 0 .6em;}
h1{font-size:clamp(2rem,4.2vw,3.2rem);letter-spacing:-.5px;}
h2{font-size:clamp(1.6rem,3vw,2.4rem);letter-spacing:-.3px;}
h3{font-size:1.25rem;}
p{margin:0 0 1.1em;}
ul{margin:0 0 1.1em;padding-left:1.2em;}
li{margin-bottom:.45em;}
.container{width:min(1180px,92%);margin-inline:auto;}
.section{padding:90px 0;}
.section--gris{background:var(--gris-clair);}
.section--nuit{background:linear-gradient(135deg,var(--bleu-nuit) 0%,var(--bleu-nuit-2) 100%);color:#D8E6F5;}
.section--nuit h2,.section--nuit h3{color:#fff;}
.text-center{text-align:center;}
.mb-0{margin-bottom:0;}

/* ---------- 2. Titres de section ---------- */
.section-head{max-width:760px;margin:0 auto 55px;text-align:center;}
.surtitre{
  display:inline-block;font-size:.8rem;font-weight:800;letter-spacing:2.5px;
  text-transform:uppercase;color:var(--bleu);background:rgba(11,111,212,.09);
  padding:7px 16px;border-radius:50px;margin-bottom:18px;
}
.section--nuit .surtitre{color:var(--jaune);background:rgba(255,193,7,.14);}
.section-head p{color:var(--gris);font-size:1.07rem;}
.section--nuit .section-head p{color:#B8CCE2;}
.trait{width:70px;height:4px;border-radius:4px;background:linear-gradient(90deg,var(--bleu),var(--jaune));margin:0 auto 22px;}

/* ---------- 3. Boutons ---------- */
.btn{
  display:inline-flex;align-items:center;gap:10px;padding:15px 30px;
  border-radius:50px;font-weight:700;font-size:1rem;border:2px solid transparent;
  cursor:pointer;transition:all var(--transition);text-align:center;line-height:1;
}
.btn svg{width:18px;height:18px;flex:none;}
.btn--primaire{background:var(--jaune);color:var(--bleu-nuit);box-shadow:0 8px 22px rgba(255,193,7,.38);}
.btn--primaire:hover{background:var(--jaune-fonce);color:var(--bleu-nuit);transform:translateY(-3px);box-shadow:0 14px 30px rgba(240,165,0,.45);}
.btn--bleu{background:var(--bleu);color:#fff;box-shadow:0 8px 22px rgba(11,111,212,.3);}
.btn--bleu:hover{background:var(--bleu-nuit);color:#fff;transform:translateY(-3px);}
.btn--ligne{border-color:rgba(255,255,255,.55);color:#fff;}
.btn--ligne:hover{background:#fff;color:var(--bleu-nuit);transform:translateY(-3px);}
.btn--ligne-bleu{border-color:var(--bleu);color:var(--bleu);}
.btn--ligne-bleu:hover{background:var(--bleu);color:#fff;transform:translateY(-3px);}
.btn-group{display:flex;flex-wrap:wrap;gap:16px;}
.btn-group--center{justify-content:center;}

/* ---------- 4. Barre info + header ---------- */
.topbar{
  background:var(--bleu-nuit);color:#C9DCF0;font-size:.88rem;
  padding:9px 0;transition:all var(--transition);
}
.topbar__in{display:flex;justify-content:space-between;align-items:center;gap:20px;flex-wrap:wrap;}
.topbar a{color:#C9DCF0;display:inline-flex;align-items:center;gap:7px;}
.topbar a:hover{color:var(--jaune);}
.topbar__list{display:flex;gap:26px;flex-wrap:wrap;}
.topbar svg{width:15px;height:15px;color:var(--jaune);}

.header{
  background:#fff;box-shadow:0 2px 14px rgba(10,39,68,.07);
  position:sticky;top:0;z-index:999;transition:all var(--transition);
}
.header.is-stuck{box-shadow:0 6px 26px rgba(10,39,68,.14);}
.header__in{display:flex;align-items:center;justify-content:space-between;gap:24px;padding:14px 0;transition:padding var(--transition);}
.header.is-stuck .header__in{padding:7px 0;}
.logo img{height:58px;width:auto;transition:height var(--transition);}
.header.is-stuck .logo img{height:44px;}

.nav{display:flex;align-items:center;gap:6px;}
.nav__tel{display:none;}
.nav a{
  position:relative;padding:11px 15px;font-weight:600;font-size:.97rem;
  color:var(--anthracite);border-radius:var(--radius-sm);
}
.nav a::after{
  content:"";position:absolute;left:15px;right:15px;bottom:4px;height:3px;border-radius:3px;
  background:linear-gradient(90deg,var(--bleu),var(--jaune));
  transform:scaleX(0);transform-origin:left;transition:transform var(--transition);
}
.nav a:hover{color:var(--bleu);}
.nav a:hover::after,.nav a.actif::after{transform:scaleX(1);}
.nav a.actif{color:var(--bleu);}
.header__cta{display:flex;align-items:center;gap:14px;}
.header__tel{display:flex;align-items:center;gap:10px;font-weight:800;color:var(--bleu-nuit);white-space:nowrap;}
.header__tel svg{width:34px;height:34px;padding:8px;border-radius:50%;background:rgba(255,193,7,.18);color:var(--jaune-fonce);}
.burger{display:none;width:46px;height:46px;border:0;background:var(--gris-clair);border-radius:var(--radius-sm);cursor:pointer;padding:12px;}
.burger span{display:block;height:2.5px;border-radius:3px;background:var(--bleu-nuit);margin:4px 0;transition:all var(--transition);}
.burger.actif span:nth-child(1){transform:translateY(6.5px) rotate(45deg);}
.burger.actif span:nth-child(2){opacity:0;}
.burger.actif span:nth-child(3){transform:translateY(-6.5px) rotate(-45deg);}

/* ---------- 5. Hero ---------- */
.hero{
  position:relative;overflow:hidden;color:#fff;
  background:linear-gradient(130deg,#071E36 0%,var(--bleu-nuit) 45%,#0E4C87 100%);
  padding:110px 0 120px;
}
.hero::before{
  content:"";position:absolute;inset:0;
  background:
    radial-gradient(circle at 82% 22%,rgba(255,193,7,.30) 0,transparent 42%),
    radial-gradient(circle at 12% 85%,rgba(47,147,240,.30) 0,transparent 45%);
}
.hero__grid{position:relative;z-index:2;display:grid;grid-template-columns:1.1fr .9fr;gap:60px;align-items:center;}
.hero h1{color:#fff;margin-bottom:22px;}
.hero h1 span{
  background:linear-gradient(90deg,var(--jaune),#FFE082);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero__txt{font-size:1.14rem;color:#CFE0F2;max-width:560px;}
.hero__tags{display:flex;flex-wrap:wrap;gap:10px;margin:0 0 30px;padding:0;list-style:none;}
.hero__tags li{
  background:rgba(255,255,255,.10);border:1px solid rgba(255,255,255,.18);
  padding:8px 16px;border-radius:50px;font-size:.88rem;font-weight:600;margin:0;
  backdrop-filter:blur(4px);
}
.hero__visuel{position:relative;display:flex;justify-content:center;transition:transform .5s ease-out;will-change:transform;}
.ampoule{
  width:min(300px,78%);aspect-ratio:1;border-radius:50%;position:relative;
  background:radial-gradient(circle at 44% 36%,rgba(255,245,210,.98) 0,rgba(255,206,60,.72) 26%,rgba(255,167,20,.34) 46%,rgba(47,147,240,.16) 66%,transparent 74%);
  filter:blur(1px);animation:pulse 4.5s ease-in-out infinite;
}
.ampoule::before{
  content:"";position:absolute;inset:-26%;border-radius:50%;
  background:conic-gradient(from 0deg,transparent 0.00% 0.55%,rgba(255,214,90,.42) 0.55% 1.35%,transparent 1.35% 8.33%,transparent 8.33% 8.88%,rgba(255,214,90,.42) 8.88% 9.68%,transparent 9.68% 16.67%,transparent 16.67% 17.22%,rgba(255,214,90,.42) 17.22% 18.02%,transparent 18.02% 25.00%,transparent 25.00% 25.55%,rgba(255,214,90,.42) 25.55% 26.35%,transparent 26.35% 33.33%,transparent 33.33% 33.88%,rgba(255,214,90,.42) 33.88% 34.68%,transparent 34.68% 41.67%,transparent 41.67% 42.22%,rgba(255,214,90,.42) 42.22% 43.02%,transparent 43.02% 50.00%,transparent 50.00% 50.55%,rgba(255,214,90,.42) 50.55% 51.35%,transparent 51.35% 58.33%,transparent 58.33% 58.88%,rgba(255,214,90,.42) 58.88% 59.68%,transparent 59.68% 66.67%,transparent 66.67% 67.22%,rgba(255,214,90,.42) 67.22% 68.02%,transparent 68.02% 75.00%,transparent 75.00% 75.55%,rgba(255,214,90,.42) 75.55% 76.35%,transparent 76.35% 83.33%,transparent 83.33% 83.88%,rgba(255,214,90,.42) 83.88% 84.68%,transparent 84.68% 91.67%,transparent 91.67% 92.22%,rgba(255,214,90,.42) 92.22% 93.02%,transparent 93.02% 100.00%);
  -webkit-mask:radial-gradient(circle,transparent 50%,#000 58%,#000 82%,transparent 88%);
  mask:radial-gradient(circle,transparent 50%,#000 58%,#000 82%,transparent 88%);
  filter:blur(.6px);animation:tourne 34s linear infinite;
}
@keyframes tourne{to{transform:rotate(360deg);}}
@keyframes pulse{0%,100%{transform:scale(1);opacity:.92;}50%{transform:scale(1.07);opacity:1;}}
.hero__carte{
  position:absolute;background:#fff;color:var(--bleu-nuit);border-radius:var(--radius);
  padding:16px 20px;box-shadow:var(--ombre-forte);display:flex;align-items:center;gap:13px;
  font-weight:700;font-size:.93rem;animation:flotte 5s ease-in-out infinite;
}
.hero__carte i{
  width:40px;height:40px;border-radius:10px;display:grid;place-items:center;flex:none;
  background:rgba(255,193,7,.18);color:var(--jaune-fonce);
}
.hero__carte i svg{width:21px;height:21px;}
.hero__carte--1{top:6%;left:-4%;}
.hero__carte--2{bottom:12%;right:-6%;animation-delay:1.6s;}
.hero__carte small{display:block;font-weight:500;color:var(--gris);font-size:.78rem;}
@keyframes flotte{0%,100%{transform:translateY(0);}50%{transform:translateY(-14px);}}
.vague{position:absolute;bottom:-1px;left:0;width:100%;line-height:0;z-index:2;}
.vague svg{width:100%;height:60px;display:block;}

/* ---------- 6. Bandeau atouts ---------- */
.atouts{background:#fff;margin-top:-50px;position:relative;z-index:5;}
.atouts__grid{
  display:grid;grid-template-columns:repeat(4,1fr);gap:0;
  background:#fff;border-radius:var(--radius);box-shadow:var(--ombre-forte);overflow:hidden;
}
.atout{padding:34px 26px;text-align:center;border-right:1px solid var(--gris-bord);transition:all var(--transition);}
.atout:last-child{border-right:0;}
.atout:hover{background:var(--gris-clair);transform:translateY(-4px);}
.atout i{
  width:58px;height:58px;margin:0 auto 16px;border-radius:16px;display:grid;place-items:center;
  background:linear-gradient(135deg,rgba(11,111,212,.12),rgba(255,193,7,.16));color:var(--bleu);
}
.atout i svg{width:27px;height:27px;}
.atout h3{font-size:1.05rem;margin-bottom:6px;}
.atout p{font-size:.92rem;color:var(--gris);margin:0;}

/* ---------- 7. Cartes services ---------- */
.grille{display:grid;gap:28px;}
.grille--2{grid-template-columns:repeat(2,1fr);}
.grille--3{grid-template-columns:repeat(3,1fr);}
.grille--4{grid-template-columns:repeat(4,1fr);}

.carte{
  background:#fff;border:1px solid var(--gris-bord);border-radius:var(--radius);
  padding:34px 30px;transition:all var(--transition);position:relative;overflow:hidden;
}
.carte::before{
  content:"";position:absolute;top:0;left:0;width:100%;height:4px;
  background:linear-gradient(90deg,var(--bleu),var(--jaune));
  transform:scaleX(0);transform-origin:left;transition:transform var(--transition);
}
.carte:hover{box-shadow:var(--ombre-forte);transform:translateY(-8px);border-color:transparent;}
.carte:hover::before{transform:scaleX(1);}
.carte__ico{
  width:64px;height:64px;border-radius:18px;display:grid;place-items:center;margin-bottom:20px;
  background:linear-gradient(135deg,var(--bleu),var(--bleu-clair));color:#fff;
  box-shadow:0 10px 22px rgba(11,111,212,.26);transition:all var(--transition);
}
.carte:hover .carte__ico{background:linear-gradient(135deg,var(--jaune),var(--jaune-fonce));box-shadow:0 10px 22px rgba(240,165,0,.3);transform:rotate(-6deg) scale(1.05);}
.carte__ico svg{width:30px;height:30px;}
.carte p{color:var(--gris);font-size:.97rem;}
.carte ul{list-style:none;padding:0;margin:0 0 18px;}
.carte ul li{position:relative;padding-left:26px;font-size:.95rem;color:var(--gris);}
.carte ul li::before{
  content:"";position:absolute;left:0;top:.55em;width:14px;height:8px;
  border-left:2.5px solid var(--jaune-fonce);border-bottom:2.5px solid var(--jaune-fonce);
  transform:rotate(-45deg);
}
.carte .lien{font-weight:700;display:inline-flex;align-items:center;gap:8px;font-size:.95rem;}
.carte .lien svg{width:16px;height:16px;transition:transform var(--transition);}
.carte:hover .lien svg{transform:translateX(5px);}

/* ---------- 8. Produits ---------- */
.filtres{display:flex;flex-wrap:wrap;gap:10px;justify-content:center;margin-bottom:40px;}
.filtre{
  border:2px solid var(--gris-bord);background:#fff;color:var(--gris);
  padding:10px 22px;border-radius:50px;font-weight:700;font-size:.92rem;cursor:pointer;
  transition:all var(--transition);font-family:var(--font);
}
.filtre:hover{border-color:var(--bleu);color:var(--bleu);}
.filtre.actif{background:var(--bleu);border-color:var(--bleu);color:#fff;box-shadow:0 8px 20px rgba(11,111,212,.28);}
.produit{
  background:#fff;border:1px solid var(--gris-bord);border-radius:var(--radius);
  overflow:hidden;transition:all var(--transition);
}
.produit:hover{transform:translateY(-8px);box-shadow:var(--ombre-forte);}
.produit__img{
  height:170px;display:grid;place-items:center;
  background:linear-gradient(135deg,var(--gris-clair),#E8F1FC);color:var(--bleu);position:relative;
}
.produit__img svg{width:62px;height:62px;transition:transform var(--transition);}
.produit:hover .produit__img svg{transform:scale(1.12) rotate(-5deg);}
.produit__badge{
  position:absolute;top:14px;right:14px;background:var(--jaune);color:var(--bleu-nuit);
  font-size:.72rem;font-weight:800;padding:5px 12px;border-radius:50px;text-transform:uppercase;letter-spacing:.6px;
}
.produit__txt{padding:24px;}
.produit__txt h3{font-size:1.08rem;margin-bottom:8px;}
.produit__txt p{font-size:.92rem;color:var(--gris);margin-bottom:0;}
.produit__cat{font-size:.78rem;font-weight:800;letter-spacing:1.2px;text-transform:uppercase;color:var(--jaune-fonce);display:block;margin-bottom:8px;}

/* ---------- 9. Chiffres ---------- */
.chiffres{display:grid;grid-template-columns:repeat(4,1fr);gap:30px;text-align:center;}
.chiffre .nb{
  font-size:clamp(2.4rem,5vw,3.6rem);font-weight:900;line-height:1;
  background:linear-gradient(90deg,var(--jaune),#FFE082);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.chiffre .nb span{-webkit-text-fill-color:var(--jaune);}
.chiffre p{margin:10px 0 0;font-size:.98rem;color:#B8CCE2;font-weight:600;}

/* ---------- 10. Étapes ---------- */
.etapes{display:grid;grid-template-columns:repeat(4,1fr);gap:26px;position:relative;}
.etape{text-align:center;position:relative;padding:0 10px;}
.etape__nb{
  width:70px;height:70px;margin:0 auto 20px;border-radius:50%;display:grid;place-items:center;
  font-size:1.5rem;font-weight:900;color:#fff;position:relative;z-index:2;
  background:linear-gradient(135deg,var(--bleu),var(--bleu-clair));
  box-shadow:0 10px 24px rgba(11,111,212,.3);transition:all var(--transition);
}
.etape:hover .etape__nb{background:linear-gradient(135deg,var(--jaune),var(--jaune-fonce));transform:scale(1.1);}
.etape h3{font-size:1.1rem;}
.etape p{font-size:.94rem;color:var(--gris);margin:0;}

/* ---------- 11. FAQ ---------- */
.faq{max-width:820px;margin-inline:auto;}
.faq__item{background:#fff;border:1px solid var(--gris-bord);border-radius:var(--radius);margin-bottom:14px;overflow:hidden;transition:all var(--transition);}
.faq__item.ouvert{box-shadow:var(--ombre);border-color:rgba(11,111,212,.3);}
.faq__q{
  width:100%;text-align:left;background:none;border:0;cursor:pointer;
  padding:22px 60px 22px 26px;font-size:1.03rem;font-weight:700;color:var(--bleu-nuit);
  position:relative;font-family:var(--font);line-height:1.45;
}
.faq__q::after{
  content:"";position:absolute;right:26px;top:50%;width:11px;height:11px;
  border-right:2.5px solid var(--bleu);border-bottom:2.5px solid var(--bleu);
  transform:translateY(-70%) rotate(45deg);transition:transform var(--transition);
}
.faq__item.ouvert .faq__q::after{transform:translateY(-20%) rotate(-135deg);border-color:var(--jaune-fonce);}
.faq__r{display:none;padding:0 26px 24px;color:var(--gris);font-size:.97rem;}

/* ---------- 12. CTA ---------- */
.cta{
  background:linear-gradient(130deg,var(--bleu-nuit) 0%,#0E4C87 100%);
  border-radius:var(--radius);padding:60px 50px;text-align:center;color:#fff;
  position:relative;overflow:hidden;
}
.cta::before{
  content:"";position:absolute;inset:0;
  background:radial-gradient(circle at 85% 20%,rgba(255,193,7,.28) 0,transparent 45%);
}
.cta>*{position:relative;z-index:2;}
.cta h2{color:#fff;}
.cta p{color:#CFE0F2;max-width:620px;margin-inline:auto;font-size:1.06rem;}

/* ---------- 13. Page header interne ---------- */
.page-head{
  background:linear-gradient(130deg,#071E36 0%,var(--bleu-nuit) 55%,#0E4C87 100%);
  color:#fff;padding:80px 0 70px;position:relative;overflow:hidden;text-align:center;
}
.page-head::before{
  content:"";position:absolute;inset:0;
  background:radial-gradient(circle at 78% 25%,rgba(255,193,7,.26) 0,transparent 45%);
}
.page-head>*{position:relative;z-index:2;}
.page-head h1{color:#fff;margin-bottom:14px;}
.page-head p{color:#CFE0F2;max-width:720px;margin:0 auto;font-size:1.08rem;}
.fil{font-size:.88rem;color:#9FBEDC;margin-bottom:18px;}
.fil a{color:#9FBEDC;}
.fil a:hover{color:var(--jaune);}

/* ---------- 14. Contenu + aside ---------- */
.deux-col{display:grid;grid-template-columns:1.6fr 1fr;gap:50px;align-items:start;}
.contenu h2{margin-top:40px;}
.contenu h2:first-child{margin-top:0;}
.contenu ul li{color:var(--gris);}
.encadre{
  background:var(--gris-clair);border-left:4px solid var(--jaune);
  border-radius:var(--radius-sm);padding:24px 26px;margin:28px 0;
}
.encadre h3{font-size:1.08rem;margin-bottom:10px;}
.encadre p:last-child{margin-bottom:0;}
.aside{position:sticky;top:130px;}
.aside__box{
  background:linear-gradient(135deg,var(--bleu-nuit),#0E4C87);color:#fff;
  border-radius:var(--radius);padding:32px 28px;box-shadow:var(--ombre);
}
.aside__box h3{color:#fff;font-size:1.2rem;}
.aside__box p{color:#CFE0F2;font-size:.95rem;}
.aside__box .btn{width:100%;justify-content:center;}
.aside__liste{list-style:none;padding:0;margin:0 0 24px;}
.aside__liste li{border-bottom:1px solid rgba(255,255,255,.14);padding:11px 0;color:#CFE0F2;font-size:.94rem;}
.aside__liste li:last-child{border-bottom:0;}
.aside__nav{background:#fff;border:1px solid var(--gris-bord);border-radius:var(--radius);padding:24px;margin-top:22px;}
.aside__nav h3{font-size:1.05rem;}
.aside__nav ul{list-style:none;padding:0;margin:0;}
.aside__nav a{display:block;padding:9px 0;font-weight:600;font-size:.95rem;color:var(--anthracite);border-bottom:1px solid var(--gris-bord);}
.aside__nav li:last-child a{border-bottom:0;}
.aside__nav a:hover{color:var(--bleu);padding-left:6px;}

/* ---------- 15. Formulaire ---------- */
.form-wrap{display:grid;grid-template-columns:1.25fr .75fr;gap:45px;align-items:start;}
.form{background:#fff;border:1px solid var(--gris-bord);border-radius:var(--radius);padding:40px;box-shadow:var(--ombre);}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:20px;}
.champ{margin-bottom:20px;}
.champ label{display:block;font-weight:700;font-size:.92rem;margin-bottom:7px;color:var(--bleu-nuit);}
.champ label span{color:#D93025;}
.champ input,.champ select,.champ textarea{
  width:100%;padding:14px 16px;border:2px solid var(--gris-bord);border-radius:var(--radius-sm);
  font-family:var(--font);font-size:.98rem;color:var(--anthracite);background:#fff;
  transition:all var(--transition);
}
.champ textarea{min-height:150px;resize:vertical;}
.champ input:focus,.champ select:focus,.champ textarea:focus{
  outline:none;border-color:var(--bleu);box-shadow:0 0 0 4px rgba(11,111,212,.12);
}
.champ.erreur input,.champ.erreur select,.champ.erreur textarea{border-color:#D93025;background:#FEF6F5;}
.msg-err{display:none;color:#D93025;font-size:.85rem;font-weight:600;margin-top:6px;}
.champ.erreur .msg-err{display:block;}
.rgpd{display:flex;align-items:flex-start;gap:12px;font-size:.88rem;color:var(--gris);margin-bottom:26px;}
.rgpd input{width:19px;height:19px;flex:none;margin-top:3px;accent-color:var(--bleu);}
.form-ok{
  display:none;background:#E8F6EC;border:1px solid #9AD3AC;color:#1B6B36;
  border-radius:var(--radius-sm);padding:18px 22px;font-weight:600;margin-bottom:24px;
}
.form .btn{width:100%;justify-content:center;}
.info-box{background:var(--gris-clair);border-radius:var(--radius);padding:32px 28px;margin-bottom:22px;}
.info-box h3{font-size:1.15rem;}
.info-liste{list-style:none;padding:0;margin:0;}
.info-liste li{display:flex;gap:15px;align-items:flex-start;padding:14px 0;border-bottom:1px solid var(--gris-bord);}
.info-liste li:last-child{border-bottom:0;}
.info-liste i{
  width:42px;height:42px;border-radius:12px;flex:none;display:grid;place-items:center;
  background:rgba(11,111,212,.10);color:var(--bleu);
}
.info-liste i svg{width:20px;height:20px;}
.info-liste strong{display:block;color:var(--bleu-nuit);font-size:.95rem;}
.info-liste span{font-size:.93rem;color:var(--gris);}

/* ---------- 16. Footer ---------- */
.footer{background:var(--bleu-nuit);color:#A9C4DD;padding:70px 0 0;font-size:.95rem;}
.footer__grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:42px;padding-bottom:50px;}
.footer h4{color:#fff;font-size:1.05rem;margin-bottom:20px;position:relative;padding-bottom:12px;}
.footer h4::after{content:"";position:absolute;left:0;bottom:0;width:38px;height:3px;border-radius:3px;background:var(--jaune);}
.footer a{color:#A9C4DD;}
.footer a:hover{color:var(--jaune);}
.footer ul{list-style:none;padding:0;margin:0;}
.footer ul li{margin-bottom:10px;}
.footer__logo{background:#fff;border-radius:var(--radius-sm);padding:12px 16px;display:inline-block;margin-bottom:18px;}
.footer__logo img{height:60px;}
.footer__contact li{display:flex;gap:12px;align-items:flex-start;}
.footer__contact svg{width:17px;height:17px;color:var(--jaune);flex:none;margin-top:5px;}
.footer__bas{
  border-top:1px solid rgba(255,255,255,.12);padding:22px 0;
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:.88rem;
}

/* ---------- 17. Back to top ---------- */
.top{
  position:fixed;right:24px;bottom:24px;width:50px;height:50px;border-radius:50%;border:0;
  background:var(--jaune);color:var(--bleu-nuit);cursor:pointer;display:grid;place-items:center;
  box-shadow:0 10px 26px rgba(240,165,0,.45);opacity:0;visibility:hidden;transform:translateY(16px);
  transition:all var(--transition);z-index:900;
}
.top.visible{opacity:1;visibility:visible;transform:translateY(0);}
.top:hover{background:var(--jaune-fonce);transform:translateY(-4px);}
.top svg{width:20px;height:20px;}

/* ---------- 18. Animations au scroll ---------- */
.reveal{opacity:0;transform:translateY(34px);transition:opacity .7s ease,transform .7s ease;}
.reveal.vu{opacity:1;transform:none;}
.reveal-g{opacity:0;transform:translateX(-36px);transition:opacity .7s ease,transform .7s ease;}
.reveal-g.vu{opacity:1;transform:none;}
.reveal-d{opacity:0;transform:translateX(36px);transition:opacity .7s ease,transform .7s ease;}
.reveal-d.vu{opacity:1;transform:none;}
.reveal-z{opacity:0;transform:scale(.93);transition:opacity .7s ease,transform .7s ease;}
.reveal-z.vu{opacity:1;transform:none;}

/* ---------- 19. Responsive ---------- */
@media(max-width:1080px){
  .hero__grid{grid-template-columns:1fr;gap:48px;}
  .hero__visuel{display:none;}
  .atouts__grid{grid-template-columns:repeat(2,1fr);}
  .atout:nth-child(2){border-right:0;}
  .atout:nth-child(1),.atout:nth-child(2){border-bottom:1px solid var(--gris-bord);}
  .grille--4{grid-template-columns:repeat(2,1fr);}
  .etapes{grid-template-columns:repeat(2,1fr);row-gap:40px;}
  .deux-col,.form-wrap{grid-template-columns:1fr;}
  .aside{position:static;}
  .footer__grid{grid-template-columns:1fr 1fr;}
}
@media(max-width:900px){
  .burger{display:block;}
  .header__tel{display:none;}
  .nav{
    position:fixed;top:0;right:-100%;width:min(330px,86%);height:100vh;
    background:#fff;flex-direction:column;align-items:stretch;gap:0;
    padding:100px 26px 40px;box-shadow:-10px 0 40px rgba(10,39,68,.18);
    transition:right var(--transition);overflow-y:auto;z-index:998;
  }
  .nav.ouvert{right:0;}
  .nav a{padding:15px 10px;border-bottom:1px solid var(--gris-bord);font-size:1.05rem;border-radius:0;}
  .nav a::after{display:none;}
  .nav .btn{margin-top:18px;justify-content:center;border-bottom:0;}
  .nav__tel{display:flex!important;align-items:center;gap:10px;margin-top:18px;padding:14px 10px!important;font-weight:800;color:var(--bleu-nuit)!important;border-bottom:0!important;font-size:1.05rem;}
  .nav__tel svg{width:20px;height:20px;color:var(--jaune-fonce);}
  .overlay{position:fixed;inset:0;background:rgba(10,39,68,.55);opacity:0;visibility:hidden;transition:all var(--transition);z-index:997;}
  .overlay.actif{opacity:1;visibility:visible;}
  .topbar__list{display:flex;gap:0;}
  .topbar__list a[href^="mailto"]{display:none;}
  .topbar__in>div:last-child{display:none;}
  .topbar__in{justify-content:center;}
}
@media(max-width:720px){
  body{font-size:16px;}
  .section{padding:62px 0;}
  .grille--2,.grille--3,.grille--4{grid-template-columns:1fr;}
  .atouts__grid{grid-template-columns:1fr;}
  .atout{border-right:0;border-bottom:1px solid var(--gris-bord);}
  .chiffres{grid-template-columns:repeat(2,1fr);gap:34px;}
  .etapes{grid-template-columns:1fr;}
  .form-row{grid-template-columns:1fr;}
  .form{padding:28px 22px;}
  .cta{padding:44px 24px;}
  .footer__grid{grid-template-columns:1fr;gap:34px;}
  .footer__bas{flex-direction:column;text-align:center;}
  .hero{padding:70px 0 90px;}
  .btn{padding:14px 24px;font-size:.95rem;}
}