/* =========================================================
   PRT TERRASSEMENT - feuille de style unique du site
   Une seule feuille chargee pour tout le site.
   Titres : Anton | Texte : Barlow
   ========================================================= */

/* ---------- 1. RESET ---------- */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body,h1,h2,h3,h4,p,figure,blockquote,dl,dd,ul,ol{margin:0}
ul[class],ol[class]{list-style:none;padding:0}
img,video{max-width:100%;display:block;height:auto}
button,input,select,textarea{font:inherit;color:inherit}
button{background:none;border:0;cursor:pointer}
a{color:inherit;text-decoration:none}
table{border-collapse:collapse;width:100%}

/* ---------- 2. TOKENS ---------- */
:root{
  --noir:#000000;
  --blanc:#FFFFFF;
  --gris:#A0A0A0;
  --orange:#FFA020;

  --gris-txt:#555555;      /* texte secondaire lisible (7.4:1 sur blanc) */
  --gris-bg:#F3F3F3;
  --gris-line:#E0E0E0;
  --noir-soft:#111111;
  --noir-85:rgba(0,0,0,.85);

  --ff-titre:"Anton","Arial Narrow",Impact,sans-serif;
  --ff-texte:"Barlow",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Arial,sans-serif;

  --max:1290px;
  --gut:clamp(20px,5vw,60px);
  --sec:clamp(64px,9vw,132px);

  --t-h1:clamp(2.05rem,4.55vw,3.85rem);
  --t-h2:clamp(1.85rem,3.9vw,3.15rem);
  --t-h3:clamp(1.15rem,1.9vw,1.6rem);
  --t-kick:clamp(.72rem,1vw,.82rem);
  --t-body:clamp(1rem,1.06vw,1.09rem);

  --hdr:78px;
  --ease:cubic-bezier(.22,.61,.36,1);
}

/* ---------- 3. BASE ---------- */
body{
  font-family:var(--ff-texte);
  font-size:var(--t-body);
  line-height:1.72;
  color:var(--noir);
  background:var(--blanc);
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,.prt-anton{
  font-family:var(--ff-titre);
  font-weight:400;
  text-transform:uppercase;
  letter-spacing:.012em;
  /* interlignage large + padding : les accents des capitales ne se superposent jamais */
  line-height:1.24;
  padding-top:.12em;
}
h1{font-size:var(--t-h1);line-height:1.2;padding-top:.1em;text-wrap:balance;overflow-wrap:break-word;hyphens:none}
h2{font-size:var(--t-h2);line-height:1.22;text-wrap:balance}
h3{font-size:var(--t-h3);line-height:1.28}
h4{font-family:var(--ff-texte);font-weight:700;font-size:1.02rem;letter-spacing:.02em}
p+p{margin-top:1.05em}
strong{font-weight:700}
em{font-style:normal}
::selection{background:var(--orange);color:var(--noir)}
:focus-visible{outline:3px solid var(--orange);outline-offset:3px}

/* ---------- 4. UTILITAIRES ---------- */
.prt-wrap{width:100%;max-width:var(--max);margin-inline:auto;padding-inline:var(--gut)}
.prt-sec{padding-block:var(--sec)}
.prt-sec--tight{padding-block:clamp(48px,6vw,84px)}
.prt-sec--gris{background:var(--gris-bg)}
.prt-sec--noir{background:var(--noir);color:var(--blanc)}
.prt-sec--noir h2,.prt-sec--noir h3{color:var(--blanc)}
.prt-sec--noir p{color:#D6D6D6}
.prt-center{text-align:center}
.prt-mb0{margin-bottom:0}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}

/* Filet orange signature */
.prt-rule{width:64px;height:5px;background:var(--orange);display:block;margin-bottom:22px}
.prt-rule--center{margin-inline:auto}

/* Bandeau de chantier (motif signature) */
.prt-stripes{
  height:9px;
  background-image:repeating-linear-gradient(135deg,var(--orange) 0 15px,var(--noir) 15px 30px);
}

/* Surtitre */
.prt-kick{
  font-family:var(--ff-texte);
  font-weight:700;
  font-size:var(--t-kick);
  letter-spacing:.22em;
  text-transform:uppercase;
  color:var(--orange);
  display:flex;
  align-items:center;
  gap:12px;
  margin-bottom:14px;
}
.prt-kick::before{content:"";width:30px;height:2px;background:var(--orange);flex:0 0 auto}
.prt-kick--center{justify-content:center}

/* Gros numeral evide */
.prt-num{
  font-family:var(--ff-titre);
  font-size:clamp(3.4rem,7.4vw,6.4rem);
  line-height:.82;
  color:transparent;
  -webkit-text-stroke:2px var(--gris);
  display:block;
}
.prt-sec--noir .prt-num{-webkit-text-stroke-color:#454545}

/* ---------- 5. BOUTONS ---------- */
.prt-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:11px;
  padding:17px 30px;
  font-family:var(--ff-texte);font-weight:700;font-size:.9rem;
  letter-spacing:.11em;text-transform:uppercase;
  border:2px solid transparent;border-radius:2px;
  transition:transform .18s var(--ease),background-color .18s,color .18s,border-color .18s;
  line-height:1.1;text-align:center;
}
.prt-btn svg{width:17px;height:17px;flex:0 0 auto}
.prt-btn:hover{transform:translateY(-2px)}
.prt-btn--orange{background:var(--orange);color:var(--noir);border-color:var(--orange)}
.prt-btn--orange:hover{background:#ffb44b;border-color:#ffb44b;color:var(--noir)}
.prt-btn--noir{background:var(--noir);color:var(--blanc);border-color:var(--noir)}
.prt-btn--noir:hover{background:#232323;color:var(--blanc)}
.prt-btn--ghost{background:transparent;color:var(--noir);border-color:var(--noir)}
.prt-btn--ghost:hover{background:var(--noir);color:var(--blanc)}
/* variantes claires : obligatoires sur fond sombre */
.prt-sec--noir .prt-btn--ghost,
.prt-hero .prt-btn--ghost,
.prt-cta .prt-btn--ghost{color:var(--blanc);border-color:rgba(255,255,255,.65)}
.prt-sec--noir .prt-btn--ghost:hover,
.prt-hero .prt-btn--ghost:hover,
.prt-cta .prt-btn--ghost:hover{background:var(--blanc);color:var(--noir);border-color:var(--blanc)}
.prt-btns{display:flex;flex-wrap:wrap;gap:14px;margin-top:34px}

/* ---------- 6. BARRE HAUTE ---------- */
.prt-topbar{
  background:var(--noir);color:#CFCFCF;
  font-size:.79rem;letter-spacing:.06em;
  position:relative;z-index:60;
}
.prt-topbar__in{display:flex;align-items:center;justify-content:space-between;gap:20px;min-height:38px;padding-block:6px}
.prt-topbar a{color:var(--blanc);font-weight:600}
.prt-topbar a:hover{color:var(--orange)}
.prt-topbar__zone{color:var(--gris);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.prt-topbar__tel{display:inline-flex;align-items:center;gap:8px}
.prt-topbar__tel svg{width:14px;height:14px;color:var(--orange)}

/* ---------- 7. HEADER ---------- */
.prt-header{
  position:sticky;top:0;z-index:80;
  background:var(--blanc);
  border-bottom:1px solid var(--gris-line);
  transition:box-shadow .25s;
}
.prt-header.is-stuck{box-shadow:0 8px 30px rgba(0,0,0,.13)}
.prt-header__in{display:flex;align-items:center;justify-content:space-between;gap:26px;min-height:var(--hdr)}
.prt-logo{display:flex;align-items:center;gap:12px;flex:0 0 auto}
.prt-logo img{height:54px!important;width:auto!important;object-fit:contain}
.prt-logo__txt{display:none}
.prt-header__cta{flex:0 0 auto;padding:14px 24px;font-size:.82rem;margin-left:6px}

/* ---------- 8. NAVIGATION + MEGA-MENU ---------- */
.prt-nav{display:flex;align-items:center;gap:2px;margin-left:auto}
.prt-nav__item{position:relative}
.prt-nav__item--mega{position:static}
.prt-nav__link{
  display:flex;align-items:center;gap:6px;
  padding:14px 13px;
  font-weight:600;font-size:.87rem;letter-spacing:.04em;text-transform:uppercase;
  position:relative;white-space:nowrap;
}
.prt-nav__link::after{
  content:"";position:absolute;left:13px;right:13px;bottom:6px;height:2px;
  background:var(--orange);transform:scaleX(0);transform-origin:left;
  transition:transform .25s var(--ease);
}
.prt-nav__item:hover>.prt-nav__link::after,
.prt-nav__item.is-open>.prt-nav__link::after,
.prt-nav__link.is-current::after{transform:scaleX(1)}
.prt-nav__link svg{width:10px;height:10px;transition:transform .25s}
.prt-nav__item.is-open .prt-nav__link svg{transform:rotate(180deg)}

.prt-mega{
  position:absolute;top:calc(100% - 1px);left:50%;transform:translateX(-50%) translateY(10px);
  width:min(1120px,94vw);
  background:var(--blanc);
  border:1px solid var(--gris-line);
  border-top:4px solid var(--orange);
  box-shadow:0 26px 60px rgba(0,0,0,.19);
  opacity:0;visibility:hidden;pointer-events:none;
  transition:opacity .22s var(--ease),transform .22s var(--ease),visibility .22s;
  z-index:90;
}
.prt-nav__item.is-open>.prt-mega,
.prt-nav__item:focus-within>.prt-mega{opacity:1;visibility:visible;pointer-events:auto;transform:translateX(-50%) translateY(0)}
.prt-mega__grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr)) 300px;gap:0}
.prt-mega__col{padding:30px 26px;border-right:1px solid var(--gris-line)}
.prt-mega__col:last-child{border-right:0}
.prt-mega__title{
  font-family:var(--ff-texte);font-weight:700;font-size:.74rem;
  letter-spacing:.19em;text-transform:uppercase;color:var(--gris-txt);
  padding-bottom:11px;margin-bottom:12px;border-bottom:1px solid var(--gris-line);
}
.prt-mega__link{
  display:block;padding:8px 0 8px 17px;position:relative;
  font-weight:600;font-size:.94rem;line-height:1.35;
}
.prt-mega__link::before{
  content:"";position:absolute;left:0;top:calc(50% - 3px);
  width:6px;height:6px;background:var(--gris);
  transition:background-color .2s,transform .2s;
}
.prt-mega__link:hover{color:var(--orange)}
.prt-mega__link:hover::before{background:var(--orange);transform:scale(1.35)}
.prt-mega__link span{display:block;font-weight:400;font-size:.8rem;color:var(--gris-txt);line-height:1.4}
.prt-mega__promo{background:var(--noir);color:var(--blanc);padding:0;position:relative;overflow:hidden}
.prt-mega__promo img{width:100%;height:172px;object-fit:cover;opacity:.55}
.prt-mega__promo-in{padding:22px 24px 26px}
.prt-mega__promo h4{color:var(--blanc);font-family:var(--ff-titre);font-size:1.25rem;text-transform:uppercase;line-height:1.15;letter-spacing:.01em;margin-bottom:8px}
.prt-mega__promo p{font-size:.85rem;color:#C9C9C9;line-height:1.55;margin-bottom:15px}
.prt-mega__promo .prt-btn{padding:12px 20px;font-size:.78rem;width:100%}

/* ---------- 9. BURGER + MENU MOBILE ---------- */
.prt-burger{display:none;width:48px;height:48px;flex-direction:column;justify-content:center;align-items:center;gap:6px;border:2px solid var(--noir);border-radius:2px}
.prt-burger span{display:block;width:22px;height:2px;background:var(--noir);transition:transform .28s var(--ease),opacity .2s}
.prt-burger.is-active span:nth-child(1){transform:translateY(8px) rotate(45deg)}
.prt-burger.is-active span:nth-child(2){opacity:0}
.prt-burger.is-active span:nth-child(3){transform:translateY(-8px) rotate(-45deg)}

.prt-mobile{
  position:fixed;inset:0;z-index:120;background:var(--noir);color:var(--blanc);
  transform:translateX(100%);transition:transform .38s var(--ease);
  overflow-y:auto;-webkit-overflow-scrolling:touch;display:flex;flex-direction:column;
}
.prt-mobile.is-open{transform:translateX(0)}
.prt-mobile__head{display:flex;align-items:center;justify-content:space-between;padding:16px var(--gut);border-bottom:1px solid #262626;flex:0 0 auto}
.prt-mobile__head img{height:44px!important;width:auto!important}
.prt-mobile__close{width:46px;height:46px;border:2px solid #3a3a3a;border-radius:2px;color:var(--blanc);font-size:1.5rem;line-height:1;display:flex;align-items:center;justify-content:center}
.prt-mobile__body{padding:8px var(--gut) 40px;flex:1 1 auto}
.prt-mobile__grp{border-bottom:1px solid #1E1E1E}
.prt-mobile__top{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:14px;
  padding:19px 0;font-family:var(--ff-titre);font-size:1.32rem;text-transform:uppercase;
  letter-spacing:.02em;color:var(--blanc);text-align:left;line-height:1.2;
}
.prt-mobile__top .prt-plus{width:26px;height:26px;border:2px solid #454545;border-radius:2px;position:relative;flex:0 0 auto}
.prt-mobile__top .prt-plus::before,.prt-mobile__top .prt-plus::after{content:"";position:absolute;background:var(--orange);left:50%;top:50%;transform:translate(-50%,-50%)}
.prt-mobile__top .prt-plus::before{width:11px;height:2px}
.prt-mobile__top .prt-plus::after{width:2px;height:11px;transition:transform .25s}
.prt-mobile__grp.is-open .prt-plus::after{transform:translate(-50%,-50%) scaleY(0)}
.prt-mobile__sub{max-height:0;overflow:hidden;transition:max-height .35s var(--ease)}
.prt-mobile__sub a{display:block;padding:12px 0 12px 18px;color:#C4C4C4;font-weight:600;font-size:.98rem;border-left:2px solid #303030}
.prt-mobile__sub a:hover{color:var(--orange);border-left-color:var(--orange)}
.prt-mobile__foot{padding:26px var(--gut) 44px;border-top:1px solid #1E1E1E;display:grid;gap:12px}

/* ---------- 10. HERO PLEIN ECRAN ---------- */
.prt-hero{position:relative;min-height:100svh;display:flex;align-items:flex-end;overflow:hidden;background:var(--noir)}
.prt-hero--page{min-height:min(74svh,660px)}
.prt-hero__media{position:absolute;inset:0;z-index:0}
.prt-hero__media img,.prt-hero__media video{width:100%;height:100%;object-fit:cover;object-position:center 55%}
.prt-hero__slide{position:absolute;inset:0;opacity:0;transition:opacity 1.4s ease-in-out}
.prt-hero__slide.is-active{opacity:1}
.prt-hero__slide img{animation:prt-zoom 14s linear infinite alternate}
@keyframes prt-zoom{from{transform:scale(1.02)}to{transform:scale(1.13)}}
.prt-hero__scrim{
  position:absolute;inset:0;z-index:1;
  background:
    linear-gradient(to top,rgba(0,0,0,.94) 0%,rgba(0,0,0,.72) 26%,rgba(0,0,0,.30) 58%,rgba(0,0,0,.52) 100%),
    linear-gradient(to right,rgba(0,0,0,.62) 0%,rgba(0,0,0,0) 62%);
}
.prt-hero__in{position:relative;z-index:2;width:100%;padding-block:clamp(56px,9vw,110px) clamp(72px,10vw,124px);color:var(--blanc)}
.prt-hero h1{color:var(--blanc);max-width:none;text-shadow:0 3px 26px rgba(0,0,0,.5)}
.prt-hero h1 em{display:block;color:var(--orange);margin-top:.1em}
.prt-hero__sub{margin-top:26px;max-width:58ch;font-size:clamp(1.02rem,1.35vw,1.2rem);color:#E4E4E4;line-height:1.72}
.prt-hero .prt-kick{color:var(--orange)}
.prt-hero__meta{
  display:flex;flex-wrap:wrap;gap:0;margin-top:44px;
  border-top:1px solid rgba(255,255,255,.22);
}
.prt-hero__meta div{
  padding:18px 30px 4px 0;margin-right:30px;
  border-right:1px solid rgba(255,255,255,.16);
}
.prt-hero__meta div:last-child{border-right:0;margin-right:0}
.prt-hero__meta b{display:block;font-family:var(--ff-titre);font-size:1.85rem;color:var(--orange);line-height:1.1;letter-spacing:.01em}
.prt-hero__meta span{font-size:.79rem;letter-spacing:.15em;text-transform:uppercase;color:#B9B9B9}
.prt-hero__dots{position:absolute;right:var(--gut);bottom:clamp(72px,10vw,124px);z-index:3;display:flex;flex-direction:column;gap:10px}
.prt-hero__dots button{width:11px;height:11px;border:2px solid rgba(255,255,255,.6);border-radius:50%;transition:background-color .25s,border-color .25s,transform .25s}
.prt-hero__dots button.is-active{background:var(--orange);border-color:var(--orange);transform:scale(1.25)}

/* ---------- 11. FIL D'ARIANE ---------- */
.prt-bc{background:var(--gris-bg);border-bottom:1px solid var(--gris-line);font-size:.83rem}
.prt-bc ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px;padding-block:13px;color:var(--gris-txt)}
.prt-bc a{font-weight:600}
.prt-bc a:hover{color:var(--orange)}
.prt-bc li+li::before{content:"/";margin-right:8px;color:var(--gris)}
.prt-bc li{display:flex;align-items:center}

/* ---------- 12. TITRES DE SECTION ---------- */
.prt-head{max-width:60ch;margin-bottom:clamp(34px,4.4vw,58px)}
.prt-head--center{margin-inline:auto;text-align:center}
.prt-head--center .prt-kick{justify-content:center}
.prt-head p{margin-top:18px;color:var(--gris-txt);font-size:1.06rem}
.prt-sec--noir .prt-head p{color:#CACACA}

/* ---------- 13. TEXTE COURANT ---------- */
.prt-prose h2{margin-top:clamp(46px,5vw,70px);margin-bottom:20px}
.prt-prose h3{margin-top:34px;margin-bottom:12px}
.prt-prose h3::before{content:"";display:inline-block;width:16px;height:3px;background:var(--orange);vertical-align:middle;margin-right:11px;margin-bottom:4px}
.prt-prose p{margin-bottom:1.05em;max-width:74ch}
.prt-prose ul{margin:0 0 1.4em;padding:0;max-width:74ch}
.prt-prose ul li{position:relative;padding-left:26px;margin-bottom:11px}
.prt-prose ul li::before{content:"";position:absolute;left:0;top:.62em;width:9px;height:9px;background:var(--orange)}
.prt-prose ol{margin:0 0 1.4em;padding-left:22px;max-width:74ch}
.prt-prose ol li{margin-bottom:11px}
.prt-prose a{color:var(--noir);font-weight:700;box-shadow:inset 0 -2px 0 var(--orange);transition:background-color .2s}
.prt-prose a:hover{background:var(--orange)}
.prt-lead{font-size:clamp(1.1rem,1.55vw,1.32rem);line-height:1.66;font-weight:500;max-width:66ch}

/* ---------- 14. SPLIT ASYMETRIQUE ---------- */
.prt-split{display:grid;grid-template-columns:1.08fr .92fr;gap:clamp(32px,5vw,74px);align-items:center}
.prt-split--rev .prt-split__media{order:-1}
.prt-split__media{position:relative}
.prt-split__media img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:2px}
.prt-split__media::after{
  content:"";position:absolute;right:-14px;bottom:-14px;width:96px;height:96px;
  border-right:6px solid var(--orange);border-bottom:6px solid var(--orange);z-index:1;
}
.prt-split__media--tall img{aspect-ratio:3/4}
.prt-split__body h2{margin-bottom:20px}
.prt-split__body p{color:var(--gris-txt)}
.prt-sec--noir .prt-split__body p{color:#CACACA}
.prt-split+.prt-split{margin-top:clamp(54px,7vw,104px)}

/* ---------- 15. CARTES ---------- */
.prt-cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(288px,1fr));gap:clamp(18px,2.2vw,28px)}
.prt-card{
  position:relative;display:flex;flex-direction:column;
  background:var(--blanc);border:1px solid var(--gris-line);border-radius:2px;
  overflow:hidden;transition:transform .3s var(--ease),box-shadow .3s,border-color .3s;
}
.prt-card:hover{transform:translateY(-6px);box-shadow:0 20px 44px rgba(0,0,0,.14);border-color:var(--noir)}
.prt-card__img{position:relative;overflow:hidden;background:var(--noir)}
.prt-card__img img{width:100%;aspect-ratio:16/11;object-fit:cover;transition:transform .55s var(--ease),opacity .4s}
.prt-card:hover .prt-card__img img{transform:scale(1.06);opacity:.86}
.prt-card__tag{position:absolute;left:0;bottom:0;background:var(--orange);color:var(--noir);font-weight:700;font-size:.7rem;letter-spacing:.16em;text-transform:uppercase;padding:7px 13px}
.prt-card__in{padding:24px 24px 26px;display:flex;flex-direction:column;flex:1 1 auto}
.prt-card__in h3{margin-bottom:10px}
.prt-card__in p{color:var(--gris-txt);font-size:.96rem;line-height:1.62;flex:1 1 auto}
.prt-card__more{margin-top:17px;font-weight:700;font-size:.82rem;letter-spacing:.13em;text-transform:uppercase;display:inline-flex;align-items:center;gap:9px}
.prt-card__more svg{width:15px;height:15px;transition:transform .25s}
.prt-card:hover .prt-card__more{color:var(--orange)}
.prt-card:hover .prt-card__more svg{transform:translateX(5px)}
.prt-card__link{position:absolute;inset:0;z-index:2}

/* ---------- 16. ETAPES ---------- */
.prt-steps{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:clamp(20px,2.6vw,34px);counter-reset:s}
.prt-step{position:relative;padding-top:26px;border-top:3px solid var(--gris-line)}
.prt-step.is-hl{border-top-color:var(--orange)}
.prt-step h3{margin:14px 0 10px}
.prt-step p{color:var(--gris-txt);font-size:.97rem;line-height:1.65}
.prt-sec--noir .prt-step{border-top-color:#333}
.prt-sec--noir .prt-step p{color:#BEBEBE}

/* ---------- 17. CHIFFRES ---------- */
.prt-stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(190px,1fr));gap:1px;background:var(--gris-line)}
.prt-sec--noir .prt-stats{background:#2A2A2A}
.prt-stat{background:var(--blanc);padding:34px 26px}
.prt-sec--noir .prt-stat{background:var(--noir)}
.prt-stat b{display:block;font-family:var(--ff-titre);font-size:clamp(2.3rem,4.4vw,3.5rem);line-height:1.04;color:var(--noir);letter-spacing:.01em}
.prt-sec--noir .prt-stat b{color:var(--orange)}
.prt-stat span{display:block;margin-top:9px;font-size:.82rem;letter-spacing:.13em;text-transform:uppercase;color:var(--gris-txt);line-height:1.5}
.prt-sec--noir .prt-stat span{color:var(--gris)}

/* ---------- 18. LISTES A COCHES ---------- */
.prt-checks{display:grid;grid-template-columns:repeat(auto-fit,minmax(290px,1fr));gap:14px 34px}
.prt-check{display:flex;gap:14px;align-items:flex-start;padding:15px 0;border-bottom:1px solid var(--gris-line)}
.prt-sec--noir .prt-check{border-bottom-color:#2A2A2A}
.prt-check svg{width:20px;height:20px;flex:0 0 auto;margin-top:4px;color:var(--orange)}
.prt-check b{display:block;font-weight:700;margin-bottom:2px}
.prt-check p{font-size:.93rem;color:var(--gris-txt);line-height:1.6;margin:0}
.prt-check--no svg{color:var(--gris)}

/* ---------- 19. FAQ ---------- */
.prt-faq{max-width:900px;margin-inline:auto;border-top:1px solid var(--gris-line)}
.prt-faq details{border-bottom:1px solid var(--gris-line)}
.prt-faq summary{
  list-style:none;cursor:pointer;display:flex;align-items:flex-start;justify-content:space-between;gap:22px;
  padding:23px 0;font-weight:700;font-size:1.06rem;line-height:1.5;
}
.prt-faq summary::-webkit-details-marker{display:none}
.prt-faq summary:hover{color:var(--orange)}
.prt-faq .prt-plus2{width:26px;height:26px;flex:0 0 auto;position:relative;border:2px solid var(--noir);border-radius:2px;margin-top:2px}
.prt-faq .prt-plus2::before,.prt-faq .prt-plus2::after{content:"";position:absolute;background:var(--noir);left:50%;top:50%;transform:translate(-50%,-50%)}
.prt-faq .prt-plus2::before{width:11px;height:2px}
.prt-faq .prt-plus2::after{width:2px;height:11px;transition:transform .25s}
.prt-faq details[open] .prt-plus2{border-color:var(--orange);background:var(--orange)}
.prt-faq details[open] .prt-plus2::after{transform:translate(-50%,-50%) scaleY(0)}
.prt-faq__a{padding:0 52px 26px 0;color:var(--gris-txt);max-width:74ch}
.prt-faq__a p+p{margin-top:.9em}

/* ---------- 20. ZONES ---------- */
.prt-zones{display:grid;grid-template-columns:repeat(auto-fit,minmax(210px,1fr));gap:1px;background:var(--gris-line)}
.prt-zone{
  background:var(--blanc);padding:20px 22px;
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  font-weight:600;transition:background-color .22s,color .22s;
}
.prt-zone span{font-size:.78rem;color:var(--gris-txt);font-weight:400}
.prt-zone:hover{background:var(--noir);color:var(--blanc)}
.prt-zone:hover span{color:var(--orange)}

/* ---------- 21. GALERIE ---------- */
.prt-gal{display:grid;grid-template-columns:repeat(12,1fr);gap:12px}
.prt-gal figure{position:relative;overflow:hidden;background:var(--noir);margin:0;border-radius:2px}
.prt-gal img{width:100%;height:100%;object-fit:cover;transition:transform .6s var(--ease),opacity .4s}
.prt-gal figure:hover img{transform:scale(1.07);opacity:.88}
.prt-gal figcaption{
  position:absolute;left:0;right:0;bottom:0;padding:26px 18px 14px;
  background:linear-gradient(to top,rgba(0,0,0,.86),transparent);
  color:var(--blanc);font-size:.83rem;font-weight:600;line-height:1.4;
}
.prt-gal .g-a{grid-column:span 7;aspect-ratio:4/3}
.prt-gal .g-b{grid-column:span 5;aspect-ratio:1/1}
.prt-gal .g-c{grid-column:span 4;aspect-ratio:3/4}
.prt-gal .g-d{grid-column:span 4;aspect-ratio:3/4}
.prt-gal .g-e{grid-column:span 4;aspect-ratio:3/4}
.prt-gal .g-f{grid-column:span 5;aspect-ratio:1/1}
.prt-gal .g-g{grid-column:span 7;aspect-ratio:4/3}

/* ---------- 22. BANDEAU CTA ---------- */
.prt-cta{position:relative;background:var(--noir);color:var(--blanc);overflow:hidden}
.prt-cta__bg{position:absolute;inset:0;z-index:0}
.prt-cta__bg img{width:100%;height:100%;object-fit:cover;opacity:.24}
.prt-cta__in{position:relative;z-index:2;padding-block:clamp(58px,7.5vw,104px);display:grid;grid-template-columns:1.25fr .75fr;gap:clamp(28px,4vw,64px);align-items:center}
.prt-cta h2{color:var(--blanc);max-width:19ch}
.prt-cta p{color:#D2D2D2;margin-top:16px;max-width:52ch}
.prt-cta__act{display:grid;gap:13px}
.prt-cta__tel{
  display:flex;align-items:center;gap:14px;padding:20px 24px;
  background:var(--orange);color:var(--noir);border-radius:2px;
}
.prt-cta__tel svg{width:28px;height:28px;flex:0 0 auto}
.prt-cta__tel-in{display:block}
.prt-cta__tel-in>span{display:block;font-size:.72rem;letter-spacing:.16em;text-transform:uppercase;font-weight:700}
.prt-cta__tel b{display:block;font-family:var(--ff-titre);font-size:1.62rem;letter-spacing:.02em;line-height:1.2}

/* ---------- 23. FORMULAIRE ---------- */
.prt-form{background:var(--blanc);border:1px solid var(--gris-line);border-top:5px solid var(--orange);padding:clamp(26px,3.4vw,44px);border-radius:2px}
.prt-form__grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:17px}
.prt-field{display:flex;flex-direction:column;gap:7px}
.prt-field--full{grid-column:1/-1}
.prt-field label{font-weight:700;font-size:.83rem;letter-spacing:.05em;text-transform:uppercase}
.prt-field label i{color:var(--orange);font-style:normal}
.prt-field input,.prt-field select,.prt-field textarea{
  width:100%;padding:14px 15px;background:var(--gris-bg);
  border:1px solid var(--gris-line);border-radius:2px;
  transition:border-color .2s,background-color .2s;font-size:1rem;
}
.prt-field textarea{min-height:132px;resize:vertical}
.prt-field input:focus,.prt-field select:focus,.prt-field textarea:focus{background:var(--blanc);border-color:var(--noir);outline:none;box-shadow:0 0 0 3px rgba(255,160,32,.32)}
.prt-consent{grid-column:1/-1;display:flex;gap:13px;align-items:flex-start;font-size:.88rem;line-height:1.6;color:var(--gris-txt)}
.prt-consent input{width:20px;height:20px;flex:0 0 auto;margin-top:3px;accent-color:var(--orange)}
.prt-consent a{font-weight:700;box-shadow:inset 0 -2px 0 var(--orange);color:var(--noir)}
.prt-hp{position:absolute!important;left:-9999px!important;opacity:0}
.prt-form .prt-btn{width:100%;margin-top:4px}
.prt-alert{padding:17px 20px;border-radius:2px;margin-bottom:22px;font-weight:600;border-left:5px solid}
.prt-alert--ok{background:#F0F8EF;border-color:#2E7D32;color:#1B5E20}
.prt-alert--ko{background:#FDF1EE;border-color:#C62828;color:#8E1F1F}

/* ---------- 24. PIED DE PAGE ---------- */
.prt-footer{background:var(--noir);color:#B4B4B4;font-size:.94rem}
.prt-footer__top{padding-block:clamp(52px,6.4vw,86px);display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:clamp(28px,3.4vw,52px)}
.prt-footer h4{color:var(--blanc);font-family:var(--ff-titre);font-size:1.03rem;letter-spacing:.11em;text-transform:uppercase;margin-bottom:18px;padding-bottom:11px;border-bottom:1px solid #262626}
.prt-footer a:hover{color:var(--orange)}
.prt-footer li{margin-bottom:9px;line-height:1.5}
.prt-footer__logo img{height:62px!important;width:auto!important;margin-bottom:18px}
.prt-footer__desc{line-height:1.72;margin-bottom:20px;max-width:42ch}
.prt-footer__contact li{display:flex;gap:11px;align-items:flex-start;margin-bottom:13px}
.prt-footer__contact svg{width:17px;height:17px;color:var(--orange);flex:0 0 auto;margin-top:5px}
.prt-footer__contact b{color:var(--blanc);font-weight:700}
.prt-footer__bot{border-top:1px solid #1D1D1D;padding-block:22px;display:flex;flex-wrap:wrap;gap:12px 26px;align-items:center;justify-content:space-between;font-size:.85rem;color:#7E7E7E}
.prt-footer__bot nav{display:flex;flex-wrap:wrap;gap:10px 20px}

/* Barre d'appel mobile */
.prt-callbar{display:none;position:fixed;left:0;right:0;bottom:0;z-index:110;grid-template-columns:1fr 1fr;border-top:2px solid var(--noir)}
.prt-callbar a{padding:15px 10px;text-align:center;font-weight:700;font-size:.83rem;letter-spacing:.11em;text-transform:uppercase}
.prt-callbar a:first-child{background:var(--noir);color:var(--blanc)}
.prt-callbar a:last-child{background:var(--orange);color:var(--noir)}

/* ---------- 25. APPARITION AU SCROLL ---------- */
.prt-reveal{opacity:0;transform:translateY(26px);transition:opacity .7s var(--ease),transform .7s var(--ease)}
.prt-reveal.is-in{opacity:1;transform:none}
html:not(.js) .prt-reveal{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  .prt-reveal{opacity:1!important;transform:none!important;transition:none!important}
  .prt-hero__slide img{animation:none}
  html{scroll-behavior:auto}
}

/* ---------- 26. RESPONSIVE ---------- */
@media (max-width:1180px){
  .prt-mega__grid{grid-template-columns:repeat(3,minmax(0,1fr))}
  .prt-mega__promo{display:none}
}
@media (max-width:1180px){
  .prt-header__cta{display:none}
}
@media (max-width:1080px){
  .prt-nav{display:none}
  .prt-burger{display:flex}
  .prt-footer__top{grid-template-columns:1fr 1fr}
  .prt-cta__in{grid-template-columns:1fr}
}
@media (max-width:900px){
  .prt-split{grid-template-columns:1fr;gap:28px}
  .prt-split--rev .prt-split__media{order:0}
  .prt-split__media img,.prt-split__media--tall img{aspect-ratio:16/10}
  .prt-split__media::after{width:66px;height:66px;right:-8px;bottom:-8px;border-width:5px}
  .prt-gal{grid-template-columns:repeat(2,1fr)}
  .prt-gal figure{grid-column:span 1!important;aspect-ratio:4/3!important}
  .prt-hero__meta div{padding-right:20px;margin-right:20px}
}
@media (max-width:700px){
  :root{--hdr:66px}
  body{padding-bottom:54px}
  .prt-callbar{display:grid}
  .prt-topbar__zone{display:none}
  .prt-topbar__in{justify-content:center}
  .prt-logo img{height:44px!important}
  .prt-hero{min-height:100svh}
  .prt-hero--page{min-height:min(62svh,480px)}
  .prt-hero h1{max-width:none;font-size:clamp(1.85rem,8.2vw,2.6rem);line-height:1.22}
  .prt-hero__meta{margin-top:32px}
  .prt-hero__meta div{width:50%;padding:14px 14px 4px 0;margin-right:0;border-right:0}
  .prt-hero__meta b{font-size:1.5rem}
  .prt-hero__dots{flex-direction:row;right:auto;left:var(--gut);bottom:16px}
  .prt-form__grid{grid-template-columns:1fr}
  .prt-footer__top{grid-template-columns:1fr}
  .prt-btns .prt-btn{width:100%}
  .prt-faq__a{padding-right:0}
  .prt-stats{grid-template-columns:1fr 1fr}
}
@media (max-width:520px){
  .prt-gal{grid-template-columns:1fr}
  .prt-checks{grid-template-columns:1fr}
}

/* ---------- 27. PLAN DU SITE ET COORDONNEES ---------- */
.prt-plan{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:clamp(28px,3.4vw,52px)}
.prt-plan__col h2{font-size:1.12rem;letter-spacing:.09em;padding-bottom:11px;margin-bottom:15px;border-bottom:3px solid var(--orange)}
.prt-plan__col li{margin-bottom:10px;line-height:1.5}
.prt-plan__col a{font-weight:600}
.prt-plan__col a:hover{color:var(--orange)}
.prt-coord{display:grid;grid-template-columns:repeat(auto-fit,minmax(258px,1fr));gap:14px;margin-bottom:34px}
.prt-coord__item{display:flex;gap:15px;align-items:flex-start;padding:22px;background:var(--gris-bg);border-left:4px solid var(--orange);border-radius:2px;transition:background-color .2s}
a.prt-coord__item:hover{background:var(--noir);color:var(--blanc)}
.prt-coord__item svg{width:22px;height:22px;flex:0 0 auto;margin-top:4px;color:var(--orange)}
.prt-coord__item span{display:block;font-size:.88rem;line-height:1.55;color:var(--gris-txt)}
a.prt-coord__item:hover span{color:#C9C9C9}
.prt-coord__item b{display:block;font-size:1.06rem;color:inherit;margin-bottom:2px}
.prt-contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:clamp(28px,4vw,60px);align-items:start}
@media (max-width:900px){.prt-contact-grid{grid-template-columns:1fr}}

/* ---------- 28. LOGO SUR FOND SOMBRE ---------- */
/* Le logo est concu pour un fond clair : on lui pose une pastille blanche */
.prt-mobile__head .prt-logo,
.prt-footer__logo .prt-logo{background:var(--blanc);padding:8px 14px;border-radius:3px;display:inline-flex}
.prt-mobile__head .prt-logo img{height:40px!important}
.prt-footer__logo .prt-logo img{height:56px!important;margin-bottom:0}
.prt-footer__logo{margin-bottom:20px}