:root{
  --fond:#ffffff; --verre:rgba(255,255,255,.72); --bord:rgba(12,52,96,.10);
  --or:#c99a2e; --or-texte:#9a6e0b; --or-clair:#e2b653; --bleu:#1b8de0; --bleu-fonce:#063a66;
  --texte:#16263a; --doux:#4b5d73; --rayon:22px; --ombre:0 16px 44px rgba(15,60,110,.12);
  --police:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Arial,sans-serif;
}
*{box-sizing:border-box;margin:0}
html{scroll-behavior:smooth;scroll-padding-top:84px}
body{font:400 1rem/1.65 var(--police);color:var(--texte);-webkit-font-smoothing:antialiased;
  background:radial-gradient(900px 600px at 95% 18%,rgba(42,168,255,.10),transparent 60%),radial-gradient(800px 560px at 0% 62%,rgba(226,182,83,.12),transparent 60%),var(--fond)}
img{max-width:100%;display:block}
a{color:inherit}
:focus-visible{outline:2px solid var(--bleu);outline-offset:3px;border-radius:6px}
.wrap{width:min(1160px,100% - 2.5rem);margin-inline:auto}
h1,h2,h3{line-height:1.08;letter-spacing:-.02em}
h1{font-size:clamp(3rem,7.2vw,4.875rem);font-weight:750}
h2{font-size:clamp(2.25rem,5vw,3.625rem);font-weight:750;margin-bottom:1rem}
h3{font-size:1.25rem;font-weight:700;letter-spacing:-.01em}
.intro{font-size:1.125rem;color:var(--doux);max-width:60ch;margin-bottom:2.6rem}
.eau-txt{background:linear-gradient(100deg,#8c640a 0%,#c4932a 16%,#e6bc50 32%,#c4932a 46%,#9a6e0b 62%,#8c640a 80%,#c4932a 100%);background-size:300% 100%;-webkit-background-clip:text;background-clip:text;color:transparent;animation:eau 9s linear infinite}
@keyframes eau{to{background-position:-300% 0}}

.carte{background:var(--verre);border:1px solid var(--bord);border-radius:var(--rayon);box-shadow:var(--ombre);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);padding:1.7rem;transition:transform .3s,border-color .3s}
.carte:hover{transform:translateY(-4px);border-color:rgba(27,141,224,.35)}
.carte p,.carte li{font-size:.875rem;color:var(--doux)}
.carte h3{margin-bottom:.55rem}

header{position:fixed;top:0;left:0;right:0;z-index:50;background:rgba(255,255,255,.62);backdrop-filter:blur(16px) saturate(150%);-webkit-backdrop-filter:blur(16px) saturate(150%);border-bottom:1px solid var(--bord)}
.barre{display:flex;align-items:center;justify-content:space-between;gap:1rem;height:70px}
.barre>a img{height:58px;width:auto;animation:logo 6s ease-in-out infinite}
@keyframes logo{0%,100%{filter:drop-shadow(0 0 0 rgba(226,182,83,0))}50%{filter:drop-shadow(0 0 9px rgba(226,182,83,.75))}}
nav{display:flex;gap:1.8rem;font-size:.875rem;font-weight:550}
nav a{text-decoration:none;color:var(--or-texte);transition:color .2s}
nav a:hover{color:var(--bleu-fonce)}
.burger{display:none;background:none;border:1px solid var(--bord);border-radius:12px;width:44px;height:44px;color:var(--texte);font-size:1.3rem;cursor:pointer}

.btn{position:relative;overflow:hidden;display:inline-block;padding:.95rem 1.7rem;border-radius:999px;font:650 1rem var(--police);text-decoration:none;border:1px solid transparent;cursor:pointer;transition:transform .2s,box-shadow .3s,border-color .3s;-webkit-backdrop-filter:blur(10px) saturate(160%);backdrop-filter:blur(10px) saturate(160%)}
.btn-eau{color:var(--bleu-fonce);border-color:rgba(27,141,224,.5);
  background:linear-gradient(100deg,rgba(42,168,255,.30),rgba(143,220,255,.55) 50%,rgba(42,168,255,.30));background-size:250% 100%;
  box-shadow:inset 0 1px 0 rgba(255,255,255,.85),inset 0 -8px 16px rgba(42,168,255,.12),0 8px 26px rgba(27,141,224,.22);animation:onde 8s ease-in-out infinite}
.btn-eau::after{content:"";position:absolute;top:0;left:-60%;width:40%;height:100%;background:linear-gradient(100deg,transparent,rgba(255,255,255,.7),transparent);transform:skewX(-20deg);animation:reflet 5s ease-in-out infinite}
@keyframes onde{0%,100%{background-position:0 0}50%{background-position:100% 0}}
@keyframes reflet{0%,60%{left:-60%}100%{left:130%}}
.btn-eau:hover{transform:translateY(-2px);border-color:rgba(27,141,224,.85);box-shadow:inset 0 1px 0 rgba(255,255,255,.9),0 12px 34px rgba(27,141,224,.4)}
.btn-ligne{color:var(--or-texte);border-color:rgba(154,110,11,.5);background:rgba(255,255,255,.55);box-shadow:inset 0 1px 0 rgba(255,255,255,.9)}
.btn-ligne:hover{background:rgba(226,182,83,.16);box-shadow:0 0 24px rgba(226,182,83,.3)}
.petit{padding:.6rem 1.15rem;font-size:.875rem}

.hero{position:relative;overflow:hidden;padding:calc(70px + clamp(3rem,7vw,5.5rem)) 0 clamp(6rem,11vw,9rem);background:transparent}
#eau{position:absolute;inset:0;width:100%;height:100%;z-index:0;-webkit-mask-image:linear-gradient(#000 68%,transparent 100%);mask-image:linear-gradient(#000 68%,transparent 100%)}
#eau-fond{position:fixed;inset:0;width:100%;height:100%;z-index:-1;pointer-events:none}
.hero::before{content:"";position:absolute;inset:0;z-index:1;pointer-events:none;background:linear-gradient(90deg,rgba(255,255,255,.9) 0%,rgba(255,255,255,.64) 42%,rgba(255,255,255,0) 100%)}
.hero-grille{position:relative;z-index:3;display:grid;grid-template-columns:1.15fr .85fr;gap:3rem;align-items:center}
.hero h1{max-width:12ch}
.hero .lead{font-size:1.125rem;color:#26394f;margin:1.5rem 0 2.2rem;max-width:52ch}
.actions{display:flex;flex-wrap:wrap;gap:1rem}
.plaque{position:relative;animation:flotte 7s ease-in-out infinite}
.plaque::before{content:"";position:absolute;inset:-6%;border-radius:50%;background:radial-gradient(closest-side,rgba(255,244,200,.8),rgba(226,182,83,.16) 55%,transparent 75%);animation:respire 5s ease-in-out infinite;z-index:-1}
.plaque img{-webkit-box-reflect:below -6px linear-gradient(transparent 58%,rgba(255,255,255,.4));width:100%;filter:drop-shadow(0 14px 22px rgba(15,60,110,.28))}
@keyframes flotte{0%,100%{transform:translateY(0) rotate(-.4deg)}50%{transform:translateY(-9px) rotate(.4deg)}}
@keyframes respire{0%,100%{opacity:.55;transform:scale(.94)}50%{opacity:1;transform:scale(1.04)}}

section{padding:clamp(3.5rem,8vw,6.5rem) 0}
.chiffres{padding:0;margin-top:-3rem;position:relative;z-index:4}
.chiffres ul{list-style:none;padding:0;display:grid;grid-template-columns:repeat(4,1fr);gap:1rem}
.chiffres b{display:block;font-size:clamp(2rem,3.6vw,2.75rem);font-weight:750;line-height:1.1;color:var(--or-texte);margin-bottom:.3rem}
.chiffres span{font-size:.875rem;color:var(--doux)}

.grille{display:grid;grid-template-columns:repeat(auto-fit,minmax(290px,1fr));gap:1.2rem}
.grille .carte h3{color:var(--or-texte)}

.marque-principale{display:grid;grid-template-columns:1fr 1.5fr;gap:2rem;align-items:center;border-color:rgba(201,154,46,.5);background:linear-gradient(135deg,rgba(226,182,83,.16),var(--verre) 60%)}
.marque-principale h3{font-size:clamp(2rem,4.5vw,3rem);color:var(--or-texte)}
.gammes{display:grid;grid-template-columns:1fr 1fr;gap:1.2rem;margin-top:1.2rem}
.gamme h3{color:var(--or-texte);font-size:1.5rem}
.gamme ul{padding-left:1.1rem;margin-top:.8rem}
.gamme li{margin-bottom:.3rem}
.note{font-size:.8125rem;color:var(--doux);margin-top:1.4rem;max-width:70ch}
.note a{color:var(--or-texte)}

.groupe{margin-bottom:2.6rem}
.groupe>h3{font-size:1.5rem;color:var(--or-texte);margin-bottom:1rem}
.nuancier{display:grid;grid-template-columns:repeat(auto-fill,minmax(230px,1fr));gap:1.1rem}
.sw{position:relative;aspect-ratio:4/3;border-radius:var(--rayon);overflow:hidden;border:1px solid var(--bord);box-shadow:var(--ombre);
  background:radial-gradient(circle at 22% 28%,rgba(255,255,255,.38) 0 2px,transparent 3px) 0 0/17px 17px,radial-gradient(circle at 72% 68%,rgba(0,0,0,.16) 0 2px,transparent 3px) 0 0/13px 13px,linear-gradient(135deg,var(--c),var(--d))}
.sw img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transition:transform .6s}
.sw:hover img{transform:scale(1.05)}
.sw figcaption{position:absolute;left:0;right:0;bottom:0;padding:2rem 1.1rem .8rem;background:linear-gradient(transparent,rgba(6,20,36,.88));display:flex;flex-direction:column;line-height:1.3}
.sw b{font-size:1rem;font-weight:700;color:#f6dc94}
.sw a{text-decoration:none}.sw a:hover{text-decoration:underline}
.sw span{font-size:.75rem;color:#d3deea}
.autres{display:flex;flex-wrap:wrap;gap:.6rem;align-items:center;margin-top:1rem;font-size:.8125rem;color:var(--doux)}
.autres a{padding:.4rem .9rem;border:1px solid var(--bord);border-radius:999px;text-decoration:none;color:var(--texte);background:var(--verre)}
.autres a:hover{border-color:var(--bleu)}

.zone{display:grid;grid-template-columns:1fr 1fr;gap:2.5rem;align-items:center}
.depts{display:flex;flex-wrap:wrap;gap:.7rem}
.depts span{padding:.55rem 1.1rem;border:1px solid var(--bord);border-radius:999px;background:var(--verre);font-size:.875rem;box-shadow:0 4px 14px rgba(15,60,110,.06)}

.devis{display:grid;grid-template-columns:1fr 1.1fr;gap:3rem;align-items:start}
.coords{list-style:none;padding:0;margin-top:1.6rem;display:grid;gap:.6rem;font-size:.9375rem}
.coords a{text-decoration:none;font-weight:650;color:var(--or-texte)}
form{display:grid;gap:1rem;padding:2rem}
.duo{display:grid;grid-template-columns:1fr 1fr;gap:1rem}
label{display:grid;gap:.35rem;font-size:.8125rem;color:var(--doux);font-weight:500}
input,textarea{font:inherit;font-size:.9375rem;color:var(--texte);background:rgba(255,255,255,.85);border:1px solid rgba(12,52,96,.18);border-radius:14px;padding:.85rem 1rem;width:100%}
input::placeholder,textarea::placeholder{color:#7d8ea3}
input:focus,textarea:focus{outline:2px solid var(--bleu);border-color:var(--bleu)}
textarea{min-height:120px;resize:vertical}
.mentions .grille{grid-template-columns:repeat(auto-fit,minmax(320px,1fr))}
.mentions .carte h3{color:var(--or-texte);font-size:1.0625rem}
.mentions .carte p,.mentions .carte li{font-size:.8125rem}
.mentions .carte p+p{margin-top:.6rem}
footer{padding:2rem 0;border-top:1px solid var(--bord);font-size:.8125rem;color:var(--doux)}
footer a{color:var(--or-texte)}
footer .wrap{display:flex;flex-wrap:wrap;justify-content:space-between;gap:.6rem 2rem}

@media (max-width:860px){
  .burger{display:block}
  nav{display:none;position:absolute;top:100%;left:0;right:0;flex-direction:column;gap:0;padding:.6rem 1.25rem 1rem;background:rgba(255,255,255,.97);border-bottom:1px solid var(--bord)}
  nav.ouvert{display:flex}
  nav a{padding:.85rem 0;font-size:1rem;border-top:1px solid var(--bord)}
  .barre .btn{display:none}
  .hero-grille,.marque-principale,.gammes,.zone,.devis,.duo{grid-template-columns:1fr}
  .plaque{max-width:440px}
  .chiffres ul{grid-template-columns:1fr 1fr}
}
@media (prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}html{scroll-behavior:auto}.eau-txt{background-position:20% 0}}

/* ---- v3 : centrage, majuscules, pages ---- */
.carte{text-align:center}
.carte ul.liste,ul.liste{list-style:none;padding:0;margin-top:.9rem}
.liste li{padding:.5rem 0;border-top:1px solid var(--bord);margin:0}
.liste li:first-child{border-top:0}
form.carte,form.carte label{text-align:left}
.chiffres b{text-transform:uppercase;font-size:clamp(1.25rem,2.3vw,1.75rem);letter-spacing:.01em;overflow-wrap:anywhere}
.chiffres span{display:block}
.sw figcaption{align-items:center;text-align:center}
.zone-carte{padding:2.2rem}
.zone-carte p{max-width:none;margin-bottom:1.2rem;font-size:1rem}
.depts{justify-content:center}
.hero.court{padding-bottom:clamp(5rem,9vw,7rem)}
.deux{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:1.2rem}
.gros{display:block;font-size:clamp(2.5rem,5vw,3.5rem);font-weight:750;line-height:1.05;color:var(--or-texte);text-transform:uppercase;margin-bottom:.4rem}
.cta{margin-top:2rem}
.cta .actions{justify-content:center;margin-top:1.2rem}
.cta h3{font-size:1.75rem;color:var(--or-texte)}
.lien-suite{margin-top:2rem;display:flex;justify-content:center}

/* ---- v4 : parties du site, bandeau, zone, devis ---- */
section:not(.hero) h2{text-align:center}
.intro{margin-inline:auto;text-align:center}
.chiffres .note{text-align:center;margin:1rem auto 0}
.bandeau{background:linear-gradient(90deg,rgba(226,182,83,.2),rgba(143,220,255,.28),rgba(226,182,83,.2));border-block:1px solid rgba(201,154,46,.45);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}
.bandeau .wrap{display:flex;flex-wrap:wrap;justify-content:center;padding-block:1.1rem}
.bandeau span{padding:.4rem 1.6rem;font-size:.8125rem;font-weight:750;letter-spacing:.09em;text-transform:uppercase;color:var(--or-texte);border-left:1px solid rgba(154,110,11,.35);text-align:center}
.bandeau span:first-child{border-left:0}
.deux.quatre{grid-template-columns:repeat(2,1fr)}
.deux .carte{padding:2rem 1.8rem}
.deux .carte h3{font-size:1.375rem;color:var(--or-texte)}
.produits{margin:1.4rem auto 0;max-width:820px;padding:1.3rem 1.6rem}
.produits p{font-size:1rem;color:var(--texte);margin-inline:auto}
.produits b{color:var(--or-texte);letter-spacing:.06em}
.zones{display:grid;grid-template-columns:1fr;gap:1.2rem;max-width:960px;margin:0 auto}
.zones h3{color:var(--or-texte);font-size:1.25rem;margin-bottom:1rem}
.depts{display:flex;flex-wrap:wrap;justify-content:center;gap:.6rem}
.zone-texte{max-width:760px;margin:1.6rem auto 0;text-align:center;font-size:.9375rem;color:var(--doux)}
.devis{display:grid;grid-template-columns:.8fr 1.2fr;gap:1.2rem;align-items:stretch;max-width:1000px;margin:0 auto}
.coords{list-style:none;padding:1.7rem;display:grid;gap:1.1rem;font-size:.9375rem;align-content:center}
.coords li{color:var(--doux)}
.coords strong{display:block;font-size:.75rem;letter-spacing:.08em;text-transform:uppercase;color:var(--or-texte);margin-bottom:.1rem}
.coords a{text-decoration:none;font-weight:650;color:var(--bleu-fonce)}
@media (max-width:860px){
  .deux.quatre,.devis{grid-template-columns:1fr}
  .bandeau span{border-left:0;padding:.35rem 1rem;width:50%}
}

/* ---- icône téléphone qui vibre au survol ---- */
.tel .ico{display:inline-block;width:0;height:18px;opacity:0;margin-right:0;vertical-align:-3px;overflow:hidden;transition:width .25s,opacity .25s,margin .25s}
.tel:hover .ico,.tel:focus-visible .ico{width:18px;opacity:1;margin-right:.5rem;animation:vibre .8s ease-in-out infinite;transform-origin:50% 50%}
@keyframes vibre{0%,60%,100%{transform:rotate(0)}8%{transform:rotate(-18deg)}16%{transform:rotate(16deg)}24%{transform:rotate(-14deg)}32%{transform:rotate(12deg)}40%{transform:rotate(-8deg)}48%{transform:rotate(6deg)}54%{transform:rotate(-3deg)}}
@media (hover:none){.tel .ico{width:18px;opacity:1;margin-right:.5rem}.tel:active .ico{animation:vibre .6s ease-in-out}}

/* Champ anti-spam invisible du formulaire Netlify */
.champ-cache{position:absolute!important;left:-10000px!important;width:1px!important;height:1px!important;overflow:hidden!important}