/* =========================================================================
   NEO CONSTRUCTION 24 — Design System
   Éditorial architectural · Noir & Doré · Premium
   Font: Hanken Grotesk (titres + texte)
   ========================================================================= */

/* ----------  RESET  ---------- */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{font-family:"Hanken Grotesk","Inter",system-ui,sans-serif;color:var(--texte);background:var(--ivoire);
  line-height:1.7;font-size:clamp(15.5px,0.92rem + 0.22vw,17px);-webkit-font-smoothing:antialiased;overflow-x:hidden}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font-family:inherit;cursor:pointer;border:none;background:none}
ul{list-style:none}
::selection{background:var(--or);color:#0C0A09}

/* ----------  TOKENS  ---------- */
:root{
  --noir:#0C0A09;
  --noir-2:#15110D;
  --noir-3:#1D1813;
  --charcoal:#2A2420;
  --or:#C9A24B;
  --or-clair:#E6CB87;
  --or-fonce:#9E7A2E;
  --ivoire:#F8F5EF;
  --ivoire-2:#F1ECE2;
  --blanc:#ffffff;
  --texte:#1A1512;
  --texte-doux:#564E44;
  --ligne:rgba(20,17,13,.10);
  --ligne-or:rgba(201,162,75,.40);
  --shadow-sm:0 4px 16px rgba(20,17,13,.06);
  --shadow:0 18px 50px -18px rgba(20,17,13,.28);
  --shadow-lg:0 40px 90px -30px rgba(12,10,9,.45);
  --r:4px;
  --maxw:1240px;
  --gut:clamp(20px,5vw,64px);
  --ease:cubic-bezier(.22,.61,.36,1);
}

/* ----------  TYPO  ---------- */
h1,h2,h3,h4,.serif{font-family:"Hanken Grotesk",system-ui,sans-serif;font-weight:700;
  line-height:1.07;letter-spacing:-.025em;color:var(--noir)}
h1{font-size:clamp(2rem,1.1rem + 3.4vw,3.9rem);font-weight:700}
h2{font-size:clamp(1.4rem,1rem + 1.8vw,2.25rem)}
h3{font-size:clamp(1.15rem,0.95rem + 0.9vw,1.55rem)}
p{color:var(--texte-doux)}
strong{color:var(--texte);font-weight:600}

.eyebrow{font-family:"Inter",sans-serif;font-size:.78rem;font-weight:600;letter-spacing:.26em;
  text-transform:uppercase;color:var(--or-fonce);display:inline-flex;align-items:center;gap:.7em}
.eyebrow::before{content:"";width:30px;height:1px;background:var(--or);display:inline-block}
.eyebrow.center{justify-content:center}
.lead{font-size:clamp(1.05rem,1.6vw,1.28rem);color:var(--texte-doux);line-height:1.65;max-width:64ch}

/* gold underline accent for headings */
.accent{color:var(--or-fonce)}
.serif em{font-style:normal;color:var(--or-fonce)}

/* ----------  LAYOUT  ---------- */
.wrap{max-width:var(--maxw);margin:0 auto;padding-inline:var(--gut)}
.section{padding-block:clamp(72px,10vw,140px)}
.section--tight{padding-block:clamp(56px,7vw,96px)}
.section--dark{background:var(--noir);color:#E9E2D6}
.section--dark h1,.section--dark h2,.section--dark h3,.section--dark h4{color:#F6F1E8}
.section--dark p{color:#B2A998}
.section--dark .eyebrow{color:var(--or-clair)}
.section--dark .eyebrow::before{background:var(--or-clair)}
.section--dark .checklist li,.section--dark .checklist span,.section--dark .checklist b{color:#E4DCCD}
.section--dark .checklist svg{color:var(--or-clair)}
.section--dark .lead{color:#B6AC9B}
.section--ivory2{background:var(--ivoire-2)}
.grid{display:grid;gap:clamp(20px,3vw,40px)}
.center{text-align:center}
.mx-auto{margin-inline:auto}
.head-block{max-width:62ch}
.head-block.center{margin-inline:auto}
.head-block h2{margin-top:.5rem}
.head-block .lead{margin-top:1.2rem}

/* ----------  BUTTONS  ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:.6em;
  font-size:.92rem;font-weight:600;letter-spacing:.02em;padding:1.05em 2em;border-radius:var(--r);
  transition:all .35s var(--ease);cursor:pointer;line-height:1;position:relative;white-space:nowrap}
.btn svg{width:18px;height:18px;flex:none}
.btn--gold{background:var(--or);color:#0C0A09;box-shadow:0 10px 30px -10px rgba(201,162,75,.6)}
.btn--gold:hover{background:var(--or-clair);transform:translateY(-2px);box-shadow:0 16px 38px -10px rgba(201,162,75,.7)}
.btn--dark{background:var(--noir);color:#F6F1E8}
.btn--dark:hover{background:var(--charcoal);transform:translateY(-2px)}
.btn--ghost{background:transparent;color:var(--noir);border:1px solid var(--ligne)}
.btn--ghost:hover{border-color:var(--noir);background:var(--noir);color:#F6F1E8}
.btn--ghost-light{background:transparent;color:#F6F1E8;border:1px solid rgba(255,255,255,.28)}
.btn--ghost-light:hover{background:var(--or);color:#0C0A09;border-color:var(--or)}
.btn--lg{padding:1.2em 2.4em;font-size:1rem}
.btn-row{display:flex;flex-wrap:wrap;gap:14px}

/* text link with arrow */
.tlink{display:inline-flex;align-items:center;gap:.55em;font-weight:600;font-size:.95rem;
  color:var(--noir);letter-spacing:.01em;transition:gap .3s var(--ease),color .3s}
.tlink svg{width:16px;height:16px;transition:transform .3s var(--ease)}
.tlink:hover{color:var(--or-fonce);gap:.85em}
.section--dark .tlink{color:#F6F1E8}
.section--dark .tlink:hover{color:var(--or-clair)}

/* ===================  HEADER  =================== */
.site-header{position:fixed;inset:0 0 auto 0;z-index:50;transition:all .4s var(--ease);
  padding-block:18px}
.site-header__inner{max-width:var(--maxw);margin:0 auto;padding-inline:var(--gut);
  display:flex;align-items:center;justify-content:space-between;gap:24px}
.brand{display:flex;align-items:center;gap:12px;z-index:2}
.brand img{height:50px;width:auto;transition:height .4s var(--ease)}
.brand__txt{display:flex;flex-direction:column;line-height:1}
.brand__name{font-family:"Hanken Grotesk",system-ui,sans-serif;font-weight:700;font-size:1.12rem;
  color:#F6F1E8;letter-spacing:.01em;transition:color .4s}
.brand__sub{font-size:.62rem;letter-spacing:.32em;text-transform:uppercase;color:var(--or);margin-top:3px}
.nav{display:flex;align-items:center;gap:6px}
.nav a{position:relative;font-size:.9rem;font-weight:500;color:rgba(246,241,232,.86);
  padding:.6em .9em;transition:color .3s;letter-spacing:.01em}
.nav a::after{content:"";position:absolute;left:.9em;right:.9em;bottom:.35em;height:1px;
  background:var(--or);transform:scaleX(0);transform-origin:left;transition:transform .35s var(--ease)}
.nav a:hover,.nav a[aria-current="page"]{color:#fff}
.nav a:hover::after,.nav a[aria-current="page"]::after{transform:scaleX(1)}
/* dropdowns */
.nav .has-drop{position:relative}
.nav .has-drop>a::before{content:"";display:inline-block}
.nav .drop-toggle{display:inline-flex;align-items:center;gap:.35em}
.nav .drop-toggle svg{width:13px;height:13px;opacity:.7;transition:transform .3s}
.nav .has-drop:hover .drop-toggle svg,.nav .has-drop:focus-within .drop-toggle svg{transform:rotate(180deg)}
.nav .drop{position:absolute;top:calc(100% + 10px);left:50%;transform:translateX(-50%) translateY(8px);
  min-width:288px;background:rgba(15,12,9,.97);backdrop-filter:blur(14px);
  border:1px solid rgba(201,162,75,.22);border-radius:6px;padding:10px;
  box-shadow:0 30px 60px -20px rgba(0,0,0,.7);opacity:0;visibility:hidden;transition:.32s var(--ease)}
.nav .has-drop:hover .drop,.nav .has-drop:focus-within .drop{opacity:1;visibility:visible;
  transform:translateX(-50%) translateY(0)}
.nav .drop::before{content:"";position:absolute;top:-6px;left:50%;width:12px;height:12px;
  transform:translateX(-50%) rotate(45deg);background:rgba(15,12,9,.97);border-left:1px solid rgba(201,162,75,.22);border-top:1px solid rgba(201,162,75,.22)}
.nav .drop a{display:flex;flex-direction:column;gap:2px;padding:11px 14px;border-radius:4px;
  color:rgba(246,241,232,.82);transition:background .25s,color .25s}
.nav .drop a::after{display:none}
.nav .drop a:hover{background:rgba(201,162,75,.12);color:#fff}
.nav .drop a .dt{font-weight:600;font-size:.92rem;color:inherit}
.nav .drop a .dd{font-size:.78rem;color:#8B8273}
.nav .drop .drop-all{margin-top:6px;border-top:1px solid rgba(255,255,255,.08);
  color:var(--or-clair);font-weight:600;font-size:.86rem}
.mobile-nav .m-group{font-size:.78rem;letter-spacing:.2em;text-transform:uppercase;color:var(--or);
  margin-top:26px;margin-bottom:4px}
.mobile-nav .m-sub{font-size:1.15rem!important;color:#C9C0B0!important;padding-left:0!important}
.header-cta{display:flex;align-items:center;gap:18px}
.header-phone{display:inline-flex;align-items:center;gap:.5em;font-weight:600;font-size:.92rem;
  color:#F6F1E8;white-space:nowrap}
.header-phone svg{width:17px;height:17px;color:var(--or)}
.header-phone:hover{color:var(--or-clair)}

/* scrolled state */
.site-header.scrolled{background:rgba(12,10,9,.92);backdrop-filter:blur(14px);
  padding-block:10px;box-shadow:0 1px 0 rgba(201,162,75,.18),0 18px 40px -24px rgba(0,0,0,.6)}
.site-header.scrolled .brand img{height:42px}

/* header on light inner pages (no hero image behind) */
.site-header.on-light:not(.scrolled){background:rgba(248,245,239,.0)}
.site-header.on-light:not(.scrolled) .brand__name{color:var(--noir)}
.site-header.on-light:not(.scrolled) .nav a{color:rgba(26,21,18,.72)}
.site-header.on-light:not(.scrolled) .nav a:hover,
.site-header.on-light:not(.scrolled) .nav a[aria-current="page"]{color:var(--noir)}
.site-header.on-light:not(.scrolled) .header-phone{color:var(--noir)}
.site-header.on-light:not(.scrolled) .burger span{background:var(--noir)}
.site-header.on-light .brand__logo-light{display:none}
.site-header.on-light:not(.scrolled) .brand__logo-dark{display:block}
.site-header.on-light.scrolled .brand__logo-light{display:block}
.site-header.on-light.scrolled .brand__logo-dark{display:none}
.brand__logo-dark{display:none}

/* burger */
.burger{display:none;width:46px;height:46px;flex-direction:column;justify-content:center;
  align-items:center;gap:5px;z-index:60}
.burger span{width:24px;height:2px;background:#F6F1E8;transition:.35s var(--ease)}
.burger.open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.burger.open span:nth-child(2){opacity:0}
.burger.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* mobile menu */
/* menu mobile 100% CSS : checkbox + <details> natifs, aucun JS requis */
.mnav-cb{position:absolute;width:1px;height:1px;opacity:0;pointer-events:none;clip:rect(0 0 0 0)}
.mobile-nav{position:fixed;inset:0;z-index:55;background:var(--noir);
  display:flex;flex-direction:column;justify-content:flex-start;
  padding:88px var(--gut) calc(var(--gut) + env(safe-area-inset-bottom));
  overflow-y:auto;-webkit-overflow-scrolling:touch;overscroll-behavior:contain;
  transform:translateX(100%);transition:transform .4s var(--ease);visibility:hidden}
.mnav-cb:checked ~ .mobile-nav{transform:translateX(0);visibility:visible}
html:has(.mnav-cb:checked){overflow:hidden}
.mobile-nav__close{position:absolute;top:20px;right:18px;width:48px;height:48px;
  display:flex;align-items:center;justify-content:center;
  color:#F1ECE0;font-size:2.6rem;line-height:1;cursor:pointer;z-index:3;transition:color .3s}
.mobile-nav__close:hover,.mobile-nav__close:active{color:var(--or)}
.mobile-nav>a{font-family:"Hanken Grotesk",system-ui,sans-serif;font-size:1.5rem;color:#F1ECE0;
  padding:.62em 0;border-bottom:1px solid rgba(255,255,255,.08);transition:color .3s,padding-left .3s}
.mobile-nav>a:active,.mobile-nav>a:hover{color:var(--or);padding-left:10px}
/* accordeon natif <details> */
.m-acc{border-bottom:1px solid rgba(255,255,255,.08)}
.m-acc__head{width:100%;display:flex;align-items:center;justify-content:space-between;gap:12px;
  list-style:none;cursor:pointer;
  font-family:"Hanken Grotesk",system-ui,sans-serif;font-size:1.5rem;color:#F1ECE0;padding:.62em 0;
  transition:color .3s}
.m-acc__head::-webkit-details-marker{display:none}
.m-acc__head::marker{content:""}
.m-acc__head:active{color:var(--or)}
.m-acc__chev{width:22px;height:22px;flex:0 0 auto;transition:transform .35s var(--ease)}
.m-acc[open]>.m-acc__head{color:var(--or)}
.m-acc[open]>.m-acc__head .m-acc__chev{transform:rotate(180deg)}
.m-acc__body{padding-bottom:6px}
.m-acc__body a{display:block;font-size:1.12rem;color:#C7BEAE;padding:.5em 0 .5em 16px;
  border-top:1px solid rgba(255,255,255,.05);transition:color .3s,padding-left .3s}
.m-acc__body a:active,.m-acc__body a:hover{color:var(--or);padding-left:24px}
.mobile-nav__foot{margin-top:auto;padding-top:32px;display:flex;flex-direction:column;gap:14px}
.mobile-nav__foot .btn{width:100%}

/* ===================  HERO (home)  =================== */
.hero{position:relative;min-height:100svh;display:flex;align-items:flex-end;
  color:#F6F1E8;overflow:hidden;isolation:isolate}
.hero__bg{position:absolute;inset:0;z-index:-2}
.hero__bg img{width:100%;height:100%;object-fit:cover;animation:heroZoom 18s ease-out forwards}
@keyframes heroZoom{from{transform:scale(1.08)}to{transform:scale(1)}}
.hero::after{content:"";position:absolute;inset:0;z-index:-1;
  background:linear-gradient(180deg,rgba(12,10,9,.62) 0%,rgba(12,10,9,.30) 38%,rgba(12,10,9,.82) 100%)}
.hero__inner{max-width:var(--maxw);margin:0 auto;
  padding:clamp(130px,16vh,190px) var(--gut) clamp(54px,8vw,110px);width:100%}
.hero__eyebrow{color:var(--or-clair)}
.hero__eyebrow::before{background:var(--or-clair)}
.hero h1{color:#fff;max-width:none;margin-top:1.1rem;text-shadow:0 4px 40px rgba(0,0,0,.4)}
.hero h1 em{font-style:normal;color:var(--or-clair)}
.hero__sub{max-width:52ch;color:rgba(246,241,232,.9);font-size:clamp(1.05rem,1.6vw,1.25rem);
  margin-top:1.4rem}
.hero__cta{margin-top:2.4rem}
.hero__meta{margin-top:clamp(2rem,4vw,3rem);display:grid;grid-template-columns:repeat(3,1fr);
  gap:clamp(14px,3vw,40px);padding-top:1.7rem;border-top:1px solid rgba(255,255,255,.16);max-width:620px}
.hero__meta>div{min-width:0}
.hero__meta .num{font-family:"Hanken Grotesk",sans-serif;font-size:clamp(1.45rem,4.5vw,2rem);
  font-weight:700;letter-spacing:-.02em;color:#fff;display:block;line-height:1.1}
.hero__meta .lbl{font-size:clamp(.7rem,1.8vw,.82rem);letter-spacing:.04em;
  color:rgba(246,241,232,.74);text-transform:uppercase;margin-top:4px;display:block;line-height:1.3}
.hero__scroll{position:absolute;right:var(--gut);bottom:38px;writing-mode:vertical-rl;
  font-size:.72rem;letter-spacing:.3em;text-transform:uppercase;color:rgba(246,241,232,.7);
  display:flex;align-items:center;gap:14px}
.hero__scroll::after{content:"";width:1px;height:54px;background:linear-gradient(var(--or),transparent)}
@media(max-width:900px){.hero__scroll{display:none}}

/* ===================  PAGE HERO (inner)  =================== */
.page-hero{position:relative;padding-top:clamp(150px,20vh,210px);padding-bottom:clamp(60px,8vw,96px);
  color:#F6F1E8;overflow:hidden;isolation:isolate}
.page-hero__bg{position:absolute;inset:0;z-index:-2}
.page-hero__bg img{width:100%;height:100%;object-fit:cover}
.page-hero::after{content:"";position:absolute;inset:0;z-index:-1;
  background:linear-gradient(180deg,rgba(12,10,9,.78),rgba(12,10,9,.62) 60%,rgba(12,10,9,.86))}
.page-hero h1{color:#fff;max-width:18ch}
.page-hero .lead{color:rgba(246,241,232,.88);margin-top:1.3rem}
.breadcrumb{display:flex;flex-wrap:wrap;gap:.5em;font-size:.82rem;color:rgba(246,241,232,.6);margin-bottom:1.4rem}
.breadcrumb a:hover{color:var(--or-clair)}
.breadcrumb span{color:var(--or-clair)}

/* ===================  TRUST STRIP  =================== */
.trust{background:var(--noir-2);border-top:1px solid rgba(201,162,75,.16);
  border-bottom:1px solid rgba(201,162,75,.16)}
.trust__row{display:flex;flex-wrap:nowrap;justify-content:center;gap:0;padding-block:22px}
.trust__item{display:flex;align-items:center;gap:.6em;padding-inline:clamp(12px,2.4vw,34px);
  font-size:clamp(.76rem,1.35vw,.86rem);font-weight:500;color:#D9D0C0;letter-spacing:.02em;white-space:nowrap;
  border-right:1px solid rgba(255,255,255,.10)}
.trust__item:last-child{border-right:none}
.trust__item svg{width:clamp(17px,1.6vw,20px);height:clamp(17px,1.6vw,20px);color:var(--or);flex:none}
@media(max-width:760px){.trust__row{flex-wrap:wrap;gap:6px 0}.trust__item{border-right:none;flex:1 1 44%;justify-content:center;padding-block:6px;white-space:normal;text-align:center}}

/* ===================  SPLIT / FEATURE  =================== */
.split{display:grid;grid-template-columns:1fr 1fr;gap:clamp(32px,5vw,80px);align-items:center}
.split--reverse .split__media{order:2}
.split__media{position:relative}
.split__media img{width:100%;height:100%;min-height:340px;object-fit:cover;border-radius:var(--r)}
.split__media.framed{padding:14px;background:var(--blanc);box-shadow:var(--shadow)}
.media-badge{position:absolute;display:flex;align-items:center;gap:18px;
  background:rgba(12,10,9,.92);color:#F6F1E8;padding:16px 22px;
  border-radius:14px;box-shadow:var(--shadow-lg);border:1px solid rgba(201,162,75,.32);max-width:320px}
.media-badge.br{right:-18px;bottom:-22px}
.media-badge.bl{left:-18px;bottom:-22px}
.media-badge .num{font-family:"Hanken Grotesk",system-ui,sans-serif;font-size:1.5rem;font-weight:700;color:var(--or);line-height:1;white-space:nowrap}
.media-badge .txt{font-size:.85rem;line-height:1.35;color:#E4DCCE;letter-spacing:.01em;padding-left:18px;border-left:1px solid rgba(255,255,255,.18)}
@media(max-width:880px){
  .split{grid-template-columns:1fr}
  .split--reverse .split__media{order:0}
  /* badge compact et centré sous l'image sur mobile (plus de débordement/empilement) */
  .media-badge{position:static;transform:none;margin:14px auto 0;
    width:fit-content;max-width:100%;gap:14px;padding:12px 18px}
  .media-badge.br,.media-badge.bl{right:auto;left:auto;bottom:auto}
  .media-badge .num{font-size:1.3rem}
  .media-badge .txt{font-size:.82rem;line-height:1.3;padding-left:14px;max-width:30ch}
}
.checklist{display:grid;gap:14px;margin-top:1.8rem}
.checklist li{display:flex;gap:14px;align-items:flex-start;color:var(--texte)}
.checklist svg{width:22px;height:22px;color:var(--or-fonce);flex:none;margin-top:2px}
.checklist b{font-weight:600}

/* ===================  SERVICE CARDS  =================== */
.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:clamp(18px,2.4vw,28px)}
.scard{position:relative;background:var(--blanc);border:1px solid var(--ligne);border-radius:var(--r);
  overflow:hidden;transition:transform .45s var(--ease),box-shadow .45s var(--ease),border-color .45s;
  display:flex;flex-direction:column}
.scard:hover{transform:translateY(-6px);box-shadow:var(--shadow);border-color:var(--ligne-or)}
.scard__img{aspect-ratio:4/3;overflow:hidden}
.scard__img img{width:100%;height:100%;object-fit:cover;transition:transform .7s var(--ease)}
.scard:hover .scard__img img{transform:scale(1.07)}
.scard__num{position:absolute;top:14px;left:16px;font-family:"Hanken Grotesk",system-ui,sans-serif;
  font-size:.95rem;color:#fff;background:rgba(12,10,9,.55);backdrop-filter:blur(4px);
  width:38px;height:38px;border-radius:50%;display:grid;place-items:center;border:1px solid rgba(255,255,255,.25)}
.scard__body{padding:26px 26px 28px;display:flex;flex-direction:column;flex:1}
.scard__body h3{font-size:1.32rem}
.scard__body p{margin-top:.6rem;font-size:.96rem;flex:1}
.scard__tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:1.1rem}
.tag{font-size:.74rem;letter-spacing:.02em;color:var(--texte-doux);background:var(--ivoire-2);
  padding:.45em .8em;border-radius:100px}
.scard__foot{margin-top:1.4rem}

/* feature mini (icon + text) */
.features{display:grid;grid-template-columns:repeat(4,1fr);gap:2px;
  background:var(--ligne);border:1px solid var(--ligne);border-radius:var(--r);overflow:hidden}
@media(max-width:980px){.features{grid-template-columns:repeat(2,1fr)}}
@media(max-width:520px){.features{grid-template-columns:1fr}}
.feature{background:var(--blanc);padding:34px 30px;transition:background .4s}
.feature:hover{background:var(--ivoire)}
.feature__ic{width:52px;height:52px;border-radius:50%;display:grid;place-items:center;
  background:var(--noir);color:var(--or);margin-bottom:18px}
.feature__ic svg{width:24px;height:24px}
.feature h3{font-size:1.18rem}
.feature p{margin-top:.5rem;font-size:.94rem}
.section--dark .feature{background:var(--noir-2)}
.section--dark .feature:hover{background:var(--noir-3)}
.section--dark .feature__ic{background:var(--or);color:var(--noir)}

/* ===================  STATS  =================== */
.stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:2px;
  background:rgba(201,162,75,.18);border-radius:var(--r);overflow:hidden}
.stat{background:var(--noir);padding:42px 28px;text-align:center;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:8px}
.stat .num{display:block;font-family:"Hanken Grotesk",sans-serif;font-weight:700;font-size:clamp(2.4rem,5vw,3.4rem);color:var(--or);line-height:1.05}
.stat .lbl{display:block;margin-top:0;font-size:.82rem;line-height:1.35;letter-spacing:.04em;color:#B2A998;text-transform:uppercase;max-width:18ch}

/* ===================  PROCESS  =================== */
.process{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:0}
.pstep{position:relative;padding:30px 26px}
.pstep__n{font-family:"Hanken Grotesk",system-ui,sans-serif;font-size:1rem;color:var(--noir);
  width:46px;height:46px;border:1px solid var(--ligne-or);border-radius:50%;
  display:grid;place-items:center;margin-bottom:18px;background:var(--blanc);position:relative;z-index:2}
.pstep h3{font-size:1.12rem}
.pstep p{margin-top:.5rem;font-size:.92rem}
.section--dark .pstep__n{background:var(--noir);color:var(--or);border-color:rgba(201,162,75,.5)}
/* clean visible dividers (vertical between columns, horizontal when stacked) */
.process--row{gap:1px;background:var(--ligne-or);border:1px solid var(--ligne-or);
  border-radius:var(--r);overflow:hidden}
.process--row .pstep{background:var(--ivoire)}
.section--ivory2 .process--row .pstep{background:var(--ivoire-2)}
.section--dark .process--row{background:rgba(201,162,75,.45);border-color:rgba(201,162,75,.45)}
.section--dark .process--row .pstep{background:var(--noir)}

/* ===================  ZONES  =================== */
.zone-cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:clamp(18px,2.4vw,26px)}
.zcard{position:relative;border-radius:var(--r);overflow:hidden;min-height:380px;display:flex;
  align-items:flex-end;color:#F6F1E8;isolation:isolate}
.zcard img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:-2;
  transition:transform .8s var(--ease)}
.zcard::after{content:"";position:absolute;inset:0;z-index:-1;
  background:linear-gradient(180deg,rgba(12,10,9,.15),rgba(12,10,9,.85))}
.zcard:hover img{transform:scale(1.06)}
.zcard__body{padding:30px}
.zcard__dept{font-size:.78rem;letter-spacing:.22em;text-transform:uppercase;color:var(--or-clair)}
.zcard h3{color:#fff;font-size:1.7rem;margin-top:.4rem}
.zcard p{color:rgba(246,241,232,.82);font-size:.92rem;margin-top:.5rem}
.zcard__link{margin-top:1.1rem}

/* ===================  GALLERY  =================== */
.gallery-filter{display:flex;flex-wrap:wrap;gap:10px;justify-content:center;margin-bottom:42px}
.gallery-filter button{font-size:.86rem;font-weight:500;padding:.6em 1.3em;border-radius:100px;
  border:1px solid var(--ligne);color:var(--texte-doux);transition:all .3s}
.gallery-filter button:hover{border-color:var(--noir);color:var(--noir)}
.gallery-filter button.active{background:var(--noir);color:#F6F1E8;border-color:var(--noir)}
.gallery{columns:3;column-gap:18px}
@media(max-width:900px){.gallery{columns:2}}
@media(max-width:560px){.gallery{columns:1}}
.gitem{break-inside:avoid;margin-bottom:18px;position:relative;border-radius:var(--r);overflow:hidden;
  cursor:pointer;transition:opacity .4s}
.gitem img{width:100%;transition:transform .7s var(--ease)}
.gitem::after{content:"";position:absolute;inset:0;background:linear-gradient(transparent 55%,rgba(12,10,9,.78));
  opacity:0;transition:opacity .4s}
.gitem:hover img{transform:scale(1.06)}
.gitem:hover::after{opacity:1}
.gitem__cap{position:absolute;left:20px;bottom:18px;right:20px;color:#fff;z-index:2;
  opacity:0;transform:translateY(8px);transition:.4s var(--ease)}
.gitem:hover .gitem__cap{opacity:1;transform:none}
.gitem__cap .t{font-family:"Hanken Grotesk",system-ui,sans-serif;font-size:1.15rem}
.gitem__cap .s{font-size:.8rem;color:var(--or-clair);letter-spacing:.04em}
.gitem.hide{display:none}

/* ===================  BEFORE / AFTER  =================== */
.ba{position:relative;width:100%;aspect-ratio:16/10;overflow:hidden;border-radius:var(--r);
  user-select:none;box-shadow:var(--shadow)}
.ba img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.ba__after{clip-path:inset(0 0 0 50%)}
.ba__handle{position:absolute;top:0;bottom:0;left:50%;width:2px;background:var(--or);z-index:3;transform:translateX(-50%)}
.ba__grip{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);width:48px;height:48px;
  border-radius:50%;background:var(--or);display:grid;place-items:center;color:var(--noir);
  box-shadow:0 6px 20px rgba(0,0,0,.35);cursor:ew-resize}
.ba__grip svg{width:22px;height:22px}
.ba__lbl{position:absolute;bottom:16px;font-size:.72rem;letter-spacing:.2em;text-transform:uppercase;
  color:#fff;background:rgba(12,10,9,.55);padding:.5em .9em;border-radius:100px;z-index:2}
.ba__lbl.l{left:16px}.ba__lbl.r{right:16px}
.ba input{position:absolute;inset:0;width:100%;height:100%;opacity:0;cursor:ew-resize;z-index:4;margin:0}

/* ===================  TESTIMONIAL / QUOTE  =================== */
.quote{max-width:60ch;margin-inline:auto;text-align:center}
.quote__mark{font-family:"Hanken Grotesk",system-ui,sans-serif;font-size:5rem;color:var(--or);line-height:.5;height:.5em}
.quote p{font-family:"Hanken Grotesk",system-ui,sans-serif;font-size:clamp(1.4rem,3vw,2.1rem);
  color:var(--noir);font-style:normal;font-weight:600;letter-spacing:-.02em;line-height:1.35}
.section--dark .quote p{color:#F6F1E8}

/* ===================  CTA BAND  =================== */
.cta-band{position:relative;overflow:hidden;isolation:isolate;color:#F6F1E8;text-align:center}
.cta-band__bg{position:absolute;inset:0;z-index:-2}
.cta-band__bg img{width:100%;height:100%;object-fit:cover}
.cta-band::after{content:"";position:absolute;inset:0;z-index:-1;background:rgba(12,10,9,.84)}
.cta-band .wrap{padding-block:clamp(70px,9vw,120px)}
.cta-band h2{color:#fff;max-width:20ch;margin-inline:auto}
.cta-band .lead{color:rgba(246,241,232,.85);margin:1.2rem auto 2.2rem}
.cta-band__phone{margin-top:1.6rem;font-size:.92rem;color:rgba(246,241,232,.7)}
.cta-band__phone a{color:var(--or-clair);font-weight:600}

/* ===================  CONTACT  =================== */
.contact-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:clamp(32px,5vw,72px);align-items:start}
@media(max-width:920px){.contact-grid{grid-template-columns:1fr}}
.info-list{display:grid;gap:6px;margin-top:2rem}
.info-item{display:flex;gap:18px;padding:20px 0;border-bottom:1px solid var(--ligne);align-items:flex-start}
.info-item__ic{width:46px;height:46px;border-radius:50%;background:var(--noir);color:var(--or);
  display:grid;place-items:center;flex:none}
.info-item__ic svg{width:20px;height:20px}
.info-item .k{font-size:.78rem;letter-spacing:.14em;text-transform:uppercase;color:var(--texte-doux)}
.info-item .v{font-weight:600;color:var(--noir);font-size:1.05rem;margin-top:3px}
.info-item .v a:hover{color:var(--or-fonce)}
.form{background:var(--blanc);border:1px solid var(--ligne);border-radius:var(--r);
  padding:clamp(26px,4vw,44px);box-shadow:var(--shadow-sm)}
.field{margin-bottom:20px}
.field label{display:block;font-size:.82rem;font-weight:600;letter-spacing:.04em;
  color:var(--noir);margin-bottom:8px}
.field label .req{color:var(--or-fonce)}
.field input,.field select,.field textarea{width:100%;font-family:inherit;font-size:.98rem;
  color:var(--texte);background:var(--ivoire);border:1px solid var(--ligne);border-radius:var(--r);
  padding:.9em 1em;transition:border-color .3s,box-shadow .3s}
.field textarea{min-height:130px;resize:vertical}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--or);
  box-shadow:0 0 0 3px rgba(201,162,75,.18);background:var(--blanc)}
.field-row{display:grid;grid-template-columns:1fr 1fr;gap:18px}
@media(max-width:540px){.field-row{grid-template-columns:1fr}}
.form__note{font-size:.8rem;color:var(--texte-doux);margin-top:6px}
.form__msg{display:none;margin-top:18px;padding:14px 18px;border-radius:var(--r);font-size:.92rem}
.form__msg.ok{display:block;background:rgba(201,162,75,.14);color:var(--or-fonce);border:1px solid var(--ligne-or)}

/* map */
.map-embed{border-radius:var(--r);overflow:hidden;border:1px solid var(--ligne);box-shadow:var(--shadow-sm);
  filter:grayscale(.25) contrast(1.02)}
.map-embed iframe{display:block;width:100%;height:420px;border:0}

/* ===================  FOOTER  =================== */
.site-footer{background:var(--noir);color:#B2A998;padding-top:clamp(64px,8vw,100px)}
.footer-top{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:clamp(28px,4vw,56px);
  padding-bottom:56px;border-bottom:1px solid rgba(255,255,255,.10)}
@media(max-width:880px){.footer-top{grid-template-columns:1fr 1fr}}
@media(max-width:520px){.footer-top{grid-template-columns:1fr}}
.footer-brand img{height:64px;margin-bottom:18px}
.footer-brand p{font-size:.92rem;color:#9C9384;max-width:34ch}
.footer-col h4{font-family:"Inter",sans-serif;font-size:.8rem;letter-spacing:.18em;text-transform:uppercase;
  color:var(--or);font-weight:600;margin-bottom:18px}
.footer-col ul{display:grid;gap:11px}
.footer-col a{font-size:.92rem;color:#B2A998;transition:color .3s,padding-left .3s}
.footer-col a:hover{color:#F6F1E8;padding-left:5px}
.footer-contact li{display:flex;gap:11px;font-size:.92rem;margin-bottom:13px;color:#B2A998}
.footer-contact svg{width:17px;height:17px;color:var(--or);flex:none;margin-top:3px}
.footer-contact a:hover{color:#F6F1E8}
.footer-bottom{display:flex;flex-wrap:wrap;justify-content:space-between;gap:14px;
  padding-block:26px;font-size:.82rem;color:#7E766A}
.footer-bottom a:hover{color:var(--or-clair)}
.footer-bottom__links{display:flex;gap:22px;flex-wrap:wrap}

/* ===================  SCROLL REVEAL  =================== */
.reveal{opacity:0;transform:translateY(28px);transition:opacity .9s var(--ease),transform .9s var(--ease)}
.reveal.in{opacity:1;transform:none}
.reveal.d1{transition-delay:.08s}.reveal.d2{transition-delay:.16s}
.reveal.d3{transition-delay:.24s}.reveal.d4{transition-delay:.32s}

/* float back-to-call button (mobile) */
.float-call{position:fixed;right:18px;bottom:18px;z-index:45;display:none;
  width:58px;height:58px;border-radius:50%;background:var(--or);color:var(--noir);
  place-items:center;box-shadow:0 12px 30px -8px rgba(201,162,75,.7);animation:pulse 2.4s infinite}
.float-call svg{width:26px;height:26px}
@keyframes pulse{0%{box-shadow:0 0 0 0 rgba(201,162,75,.5)}70%{box-shadow:0 0 0 16px rgba(201,162,75,0)}100%{box-shadow:0 0 0 0 rgba(201,162,75,0)}}
@media(max-width:760px){.float-call{display:grid}}

/* ===================  UTILITIES  =================== */
.mt-0{margin-top:0}.mt-1{margin-top:1rem}.mt-2{margin-top:2rem}.mt-3{margin-top:2.6rem}
.divider{height:1px;background:var(--ligne);margin-block:clamp(48px,6vw,80px)}
.pill-note{display:inline-flex;align-items:center;gap:.6em;font-size:.82rem;font-weight:500;
  color:var(--or-fonce);background:rgba(201,162,75,.12);padding:.5em 1em;border-radius:100px;
  border:1px solid var(--ligne-or)}
.pill-note svg{width:15px;height:15px}
.two-col-text{columns:2;column-gap:48px}
@media(max-width:680px){.two-col-text{columns:1}}

/* responsive nav switch */
@media(max-width:1080px){
  .nav,.header-cta .header-phone{display:none}
  .burger{display:flex}
  .header-cta .btn{display:none}
}

/* reduced motion */
@media(prefers-reduced-motion:reduce){
  *{animation-duration:.001ms!important;transition-duration:.001ms!important}
  .hero__bg img{animation:none}
  .reveal{opacity:1;transform:none}
}

/* ===================  WHATSAPP FLOATING  =================== */
.wa-btn{position:fixed;right:20px;bottom:20px;z-index:46;display:inline-flex;align-items:center;
  height:60px;border-radius:40px;background:#25D366;color:#fff;padding:0 18px;gap:0;
  box-shadow:0 14px 34px -8px rgba(37,211,102,.55);transition:gap .3s var(--ease),transform .3s var(--ease),box-shadow .3s;
  overflow:hidden}
.wa-btn svg{width:30px;height:30px;flex:none}
.wa-btn .wa-txt{max-width:0;opacity:0;white-space:nowrap;font-weight:600;font-size:.92rem;
  transition:max-width .35s var(--ease),opacity .3s,margin .35s}
.wa-btn:hover{transform:translateY(-3px);box-shadow:0 18px 40px -8px rgba(37,211,102,.7)}
.wa-btn:hover .wa-txt{max-width:160px;opacity:1;margin-left:10px}
.wa-btn::before{content:"";position:absolute;inset:0;border-radius:40px;
  box-shadow:0 0 0 0 rgba(37,211,102,.5);animation:waPulse 2.6s infinite}
@keyframes waPulse{0%{box-shadow:0 0 0 0 rgba(37,211,102,.45)}70%{box-shadow:0 0 0 18px rgba(37,211,102,0)}100%{box-shadow:0 0 0 0 rgba(37,211,102,0)}}
@media(max-width:760px){.wa-btn{height:56px;padding:0 13px}.wa-btn:hover .wa-txt{max-width:0;opacity:0;margin:0}}
@media(prefers-reduced-motion:reduce){.wa-btn::before{animation:none}}

/* ===================  FAQ (natif, accessible)  =================== */
.faq{display:grid;gap:12px;max-width:860px}
.faq details{background:var(--blanc);border:1px solid var(--ligne);border-radius:var(--r);
  overflow:hidden;transition:border-color .3s}
.faq details[open]{border-color:var(--ligne-or)}
.faq summary{list-style:none;cursor:pointer;padding:20px 24px;font-weight:600;color:var(--noir);
  display:flex;justify-content:space-between;align-items:center;gap:16px;font-size:1.02rem;
  transition:color .3s}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";font-size:1.5rem;line-height:1;color:var(--or-fonce);
  transition:transform .3s var(--ease);flex:none}
.faq details[open] summary{color:var(--or-fonce)}
.faq details[open] summary::after{transform:rotate(45deg)}
.faq__a{padding:0 24px 22px;color:var(--texte-doux);font-size:.98rem;line-height:1.7}
.faq__a p+p{margin-top:.8rem}
.section--dark .faq details{background:var(--noir-2);border-color:rgba(255,255,255,.1)}
.section--dark .faq summary{color:#F1ECE0}

/* ===================  PROSE (case study / legal)  =================== */
.prose{max-width:780px}
.prose>p{margin-bottom:1.2rem;color:var(--texte-doux)}
.prose h2{margin:2.4rem 0 1rem}
.prose h3{margin:1.8rem 0 .8rem}
.prose ul{display:grid;gap:10px;margin:1rem 0 1.4rem}
.prose ul li{position:relative;padding-left:26px;color:var(--texte-doux)}
.prose ul li::before{content:"";position:absolute;left:0;top:11px;width:8px;height:8px;
  background:var(--or);border-radius:2px;transform:rotate(45deg)}
.prose strong{color:var(--texte)}
.prose a{color:var(--or-fonce);text-decoration:underline;text-underline-offset:3px}

/* case study chapter media */
.story{display:grid;gap:clamp(40px,6vw,80px)}
.story__step{display:grid;grid-template-columns:1fr 1fr;gap:clamp(28px,4vw,64px);align-items:center}
.story__step:nth-child(even) .story__media{order:2}
.story__media img{width:100%;border-radius:var(--r);box-shadow:var(--shadow)}
.story__tag{font-size:.78rem;letter-spacing:.2em;text-transform:uppercase;color:var(--or-fonce);font-weight:600}
@media(max-width:840px){.story__step{grid-template-columns:1fr}.story__step:nth-child(even) .story__media{order:0}}

/* simple two-column list for services hub */
.svc-list{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:14px}
.svc-list a{display:flex;align-items:center;gap:14px;padding:18px 20px;background:var(--blanc);
  border:1px solid var(--ligne);border-radius:var(--r);transition:.3s;color:var(--noir);font-weight:600;font-size:.98rem}
.svc-list a:hover{border-color:var(--ligne-or);transform:translateX(4px);box-shadow:var(--shadow-sm)}
.svc-list svg{width:20px;height:20px;color:var(--or-fonce);flex:none}
.svc-list .arr{margin-left:auto;color:var(--or-fonce);transition:transform .3s}
.svc-list a:hover .arr{transform:translateX(4px)}