/* =====================================================================
   ATELIER RAVEL — Charbon raffiné · design system partagé
   Display: Source Serif 4 · Texte: Geist
   Signature: filet cuivre qui se dessine · numéraux sérifs géants
   ===================================================================== */

:root{
  --charbon:#15110D;
  --charbon-2:#1C1712;
  --charbon-3:#241D17;
  --line:#332A21;
  --cream:#ECE3D5;
  --cream-dim:#B7AC9B;
  --muted:#897F71;
  --cuivre:#BD7E4A;
  --cuivre-deep:#9C6238;
  --cuivre-soft:#D2A276;
  --maxw:1400px;
  --readw:72rem;
  --gut:clamp(1.25rem,4vw,3rem);
  --sec-y:clamp(5rem,10vw,8rem);
  --sec-y-sm:clamp(3.5rem,7vw,5.5rem);
  --ease:cubic-bezier(.16,1,.3,1);
  --ease-2:cubic-bezier(.22,1,.36,1);
  --serif:"Source Serif 4",Georgia,serif;
  --sans:"Geist",ui-sans-serif,system-ui,sans-serif;
}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}

body{
  margin:0;
  background:var(--charbon);
  color:var(--cream);
  font-family:var(--sans);
  font-weight:400;
  line-height:1.6;
  font-size:clamp(16px,1.05vw,17px);
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
  overflow-x:hidden;
}
body.menu-open{overflow:hidden}

img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font-family:inherit}
::selection{background:var(--cuivre);color:var(--charbon)}

/* grain overlay — depth, restraint */
body::after{
  content:"";
  position:fixed;inset:0;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='200' height='200'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='2'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.5'/%3E%3C/svg%3E");
  opacity:.04;
  pointer-events:none;
  z-index:9999;
  mix-blend-mode:overlay;
}

.wrap{max-width:var(--maxw);margin-inline:auto;padding-inline:var(--gut)}
.wrap--read{max-width:var(--readw)}

/* typographie ------------------------------------------------------- */
.eyebrow{
  font-family:var(--sans);
  font-size:.72rem;
  font-weight:500;
  letter-spacing:.28em;
  text-transform:uppercase;
  color:var(--cuivre);
}
.eyebrow .dot{display:inline-block;width:5px;height:5px;background:var(--cuivre);
  border-radius:50%;margin-inline:.7em .2em;transform:translateY(-2px)}

h1,h2,h3,h4{font-family:var(--serif);font-weight:400;letter-spacing:-.01em;line-height:1.05;margin:0}
.h-display{font-size:clamp(2.8rem,7vw,5.6rem);font-weight:300}
.h-section{font-size:clamp(2rem,4.4vw,3.4rem);font-weight:400}
.h-page{font-size:clamp(2.4rem,6vw,4.6rem);font-weight:300;line-height:1.04}
.lead{font-family:var(--serif);font-size:clamp(1.15rem,1.8vw,1.5rem);line-height:1.5;color:var(--cream);font-weight:300}

/* filet cuivre — signature qui se dessine */
.rule{position:relative;height:1px;width:100%;background:var(--line);overflow:hidden}
.rule::after{
  content:"";position:absolute;inset:0;width:0;
  background:linear-gradient(90deg,transparent,var(--cuivre),transparent);
  transition:width 1.4s var(--ease) .2s;
}
.rule.in::after{width:100%}

/* boutons ----------------------------------------------------------- */
.btn{
  --bg:var(--cuivre);--fg:var(--charbon);
  position:relative;display:inline-flex;align-items:center;gap:.7em;
  padding:1.05em 1.8em;
  font-family:var(--sans);font-size:.78rem;font-weight:500;
  letter-spacing:.16em;text-transform:uppercase;
  background:var(--bg);color:var(--fg);border:none;
  border-radius:2px;cursor:pointer;
  transition:transform .5s var(--ease),box-shadow .5s var(--ease),background .35s ease;
  will-change:transform;
}
.btn .arr{transition:transform .5s var(--ease)}
.btn:hover{background:var(--cuivre-soft);box-shadow:0 14px 40px -16px rgba(189,126,74,.7)}
.btn:hover .arr{transform:translateX(5px)}
.btn--ghost{background:transparent;color:var(--cream);border:1px solid var(--line)}
.btn--ghost:hover{background:transparent;color:var(--cuivre);border-color:var(--cuivre);box-shadow:none}
.btn--lg{padding:1.2em 2.4em;font-size:.84rem}

/* reveal ------------------------------------------------------------ */
.reveal{opacity:0;transform:translateY(28px);transition:opacity .9s var(--ease),transform .9s var(--ease)}
.reveal.in{opacity:1;transform:none}
.reveal-stagger>*{opacity:0;transform:translateY(24px);transition:opacity .8s var(--ease),transform .8s var(--ease)}
.reveal-stagger.in>*{opacity:1;transform:none}
.reveal-stagger.in>*:nth-child(1){transition-delay:.05s}
.reveal-stagger.in>*:nth-child(2){transition-delay:.16s}
.reveal-stagger.in>*:nth-child(3){transition-delay:.27s}
.reveal-stagger.in>*:nth-child(4){transition-delay:.38s}
.reveal-stagger.in>*:nth-child(5){transition-delay:.49s}
.reveal-stagger.in>*:nth-child(6){transition-delay:.60s}
@media (prefers-reduced-motion:reduce){
  .reveal,.reveal-stagger>*{opacity:1!important;transform:none!important;transition:none!important}
}

/* ===================================================================
   HEADER
   =================================================================== */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:200;
  transition:background .5s var(--ease),border-color .5s var(--ease),padding .5s var(--ease);
  padding:.6rem var(--gut);
  border-bottom:1px solid transparent;
}
/* inner pages: header toujours condensé + verre */
.site-header.solid{
  background:rgba(21,17,13,.82);
  backdrop-filter:blur(18px) saturate(140%);
  -webkit-backdrop-filter:blur(18px) saturate(140%);
  border-bottom:1px solid var(--line);
  padding:.45rem var(--gut);
}
.site-header.scrolled{
  background:rgba(21,17,13,.82);
  backdrop-filter:blur(18px) saturate(140%);
  -webkit-backdrop-filter:blur(18px) saturate(140%);
  border-bottom:1px solid var(--line);
  padding:.35rem var(--gut);
}
.header-inner{
  max-width:var(--maxw);margin-inline:auto;
  display:flex;align-items:center;justify-content:space-between;gap:2rem;
  transition:transform .5s var(--ease);
}
.brand{display:flex;align-items:baseline;gap:.6rem;line-height:1}
.brand__mark{font-family:var(--serif);font-size:1.5rem;color:var(--cuivre);font-weight:500}
.brand__name{font-family:var(--serif);font-size:1.18rem;letter-spacing:.02em;color:var(--cream)}
.brand__name em{font-style:italic;color:var(--cream-dim);font-size:.95em}

.nav{display:flex;align-items:center;gap:1.8rem}
.nav__links{display:flex;align-items:center;gap:1.5rem}
.nav-link{
  position:relative;font-size:.84rem;letter-spacing:.01em;color:var(--cream-dim);
  padding:.3em 0;transition:color .35s ease;
}
.nav-link::after{
  content:"";position:absolute;left:0;bottom:-2px;height:1px;width:0;
  background:var(--cuivre);transition:width .45s var(--ease);
}
.nav-link:hover,.nav-link:focus-visible{color:var(--cream)}
.nav-link:hover::after,.nav-link:focus-visible::after{width:100%}
.nav-link.active{color:var(--cream)}
.nav-link.active::after{width:100%}

.lang{display:flex;align-items:center;gap:.5rem;font-size:.72rem;letter-spacing:.1em;color:var(--muted)}
.lang a{color:var(--muted);transition:color .3s}
.lang a.on{color:var(--cuivre)}
.lang span{opacity:.4}

.header-cta{display:inline-flex;align-items:center;gap:.5em}

.burger{display:none;background:none;border:1px solid var(--line);width:46px;height:46px;
  border-radius:2px;cursor:pointer;align-items:center;justify-content:center;flex-direction:column;gap:5px}
.burger span{width:18px;height:1.5px;background:var(--cream);transition:transform .4s var(--ease),opacity .3s}
.burger[aria-expanded="true"] span:nth-child(1){transform:translateY(6.5px) rotate(45deg)}
.burger[aria-expanded="true"] span:nth-child(2){opacity:0}
.burger[aria-expanded="true"] span:nth-child(3){transform:translateY(-6.5px) rotate(-45deg)}

/* ===================================================================
   HERO (home)
   =================================================================== */
.hero{position:relative;min-height:100svh;display:grid;grid-template-columns:1.05fr .95fr;align-items:stretch}
.hero__copy{display:flex;flex-direction:column;justify-content:flex-end;
  padding:7rem var(--gut) clamp(3rem,7vw,5.5rem);max-width:760px}
.hero__eyebrow{margin-bottom:clamp(1.4rem,3vw,2.2rem)}
.hero__title{font-size:clamp(2.6rem,6.4vw,5rem);font-weight:300;line-height:1.02}
.hero__title em{font-style:italic;color:var(--cuivre-soft);font-weight:400}
.hero__sub{margin-top:1.7rem;max-width:30rem;color:var(--cream-dim);font-size:1.05rem;line-height:1.65}
.hero__cta{display:flex;flex-wrap:wrap;gap:1rem;margin-top:2.4rem}
.hero__meta{display:flex;gap:2.4rem;margin-top:3.2rem;flex-wrap:wrap;padding-top:1.6rem;border-top:1px solid var(--line)}
.hero__meta div{font-size:.78rem;color:var(--muted);letter-spacing:.04em}
.hero__meta strong{display:block;color:var(--cream);font-family:var(--serif);font-size:1.4rem;font-weight:400;margin-bottom:.15rem}
.hero__visual{position:relative;overflow:hidden;border-left:1px solid var(--line)}
.hero__visual img{width:100%;height:100%;object-fit:cover;filter:saturate(.92) contrast(1.03);transform:scale(1.04);transition:transform 6s var(--ease)}
.hero.in .hero__visual img{transform:scale(1)}
.hero__visual::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(21,17,13,.55) 0%,rgba(21,17,13,.1) 35%,transparent 60%)}
.hero__caption{position:absolute;left:var(--gut);bottom:1.6rem;z-index:2;font-size:.72rem;letter-spacing:.18em;text-transform:uppercase;color:var(--cream-dim)}
.hero__caption .cuivre{color:var(--cuivre)}
.scrollind{position:absolute;left:50%;bottom:1.4rem;transform:translateX(-50%);display:flex;align-items:center;gap:.7em;font-size:.66rem;letter-spacing:.3em;text-transform:uppercase;color:var(--muted);z-index:3}
.scrollind .line{width:36px;height:1px;background:var(--cuivre);position:relative;overflow:hidden}
.scrollind .line::after{content:"";position:absolute;inset:0;background:var(--charbon);animation:scrollline 2.4s var(--ease) infinite}
@keyframes scrollline{0%{transform:translateX(-100%)}60%,100%{transform:translateX(100%)}}

/* ===================================================================
   SECTION GENERIC
   =================================================================== */
section{position:relative}
.sec{padding-block:var(--sec-y)}
.sec--sm{padding-block:var(--sec-y-sm)}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:2rem;margin-bottom:clamp(2.2rem,5vw,3.6rem);flex-wrap:wrap}
.sec-head .left{max-width:46rem}
.sec-head .eyebrow{margin-bottom:1.1rem}
.sec-head .index{font-family:var(--serif);font-style:italic;color:var(--muted);font-size:.95rem}
.alt-2{background:var(--charbon-2)}
.alt-3{background:var(--charbon-3)}

/* ===================================================================
   MANIFESTE + CHIFFRES
   =================================================================== */
.manifeste__grid{display:grid;grid-template-columns:1fr 1fr;gap:clamp(2rem,6vw,6rem);align-items:start}
.manifeste__quote{font-family:var(--serif);font-size:clamp(1.6rem,3.2vw,2.7rem);line-height:1.25;font-weight:300}
.manifeste__quote em{font-style:italic;color:var(--cuivre-soft)}
.manifeste__body p{color:var(--cream-dim);margin:0 0 1.2rem;max-width:34rem}
.manifeste__sign{font-family:var(--serif);font-style:italic;color:var(--cream);margin-top:1.6rem}

.chiffres{display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid var(--line);border-bottom:1px solid var(--line);margin-top:clamp(3rem,6vw,5rem)}
.chiffre{padding:clamp(1.8rem,3vw,2.6rem) clamp(1rem,2vw,1.8rem);border-left:1px solid var(--line)}
.chiffre:first-child{border-left:none}
.chiffre__num{font-family:var(--serif);font-size:clamp(2.2rem,4.2vw,3.4rem);font-weight:300;line-height:1;color:var(--cream)}
.chiffre__num .u{color:var(--cuivre);font-size:.5em;vertical-align:super;margin-left:.1em;font-style:italic}
.chiffre__lbl{margin-top:.7rem;font-size:.78rem;color:var(--muted);letter-spacing:.04em;max-width:15rem;line-height:1.4}

/* ===================================================================
   SERVICES (liste home + hub)
   =================================================================== */
.svc-list{border-top:1px solid var(--line)}
.svc{display:grid;grid-template-columns:.7fr 2fr 1.2fr auto;gap:2rem;align-items:center;
  padding:clamp(1.6rem,2.6vw,2.3rem) 0;border-bottom:1px solid var(--line);
  transition:padding .5s var(--ease);position:relative}
.svc::before{content:"";position:absolute;left:-1rem;top:0;bottom:0;width:2px;background:var(--cuivre);transform:scaleY(0);transform-origin:bottom;transition:transform .5s var(--ease)}
.svc:hover{padding-inline:1rem}
.svc:hover::before{transform:scaleY(1);transform-origin:top}
.svc__n{font-family:var(--serif);font-style:italic;color:var(--muted);font-size:.95rem}
.svc__t{font-family:var(--serif);font-size:clamp(1.4rem,2.4vw,1.9rem);font-weight:400;color:var(--cream);transition:color .4s}
.svc:hover .svc__t{color:var(--cuivre-soft)}
.svc__d{font-size:.92rem;color:var(--cream-dim);line-height:1.55;max-width:28rem}
.svc__a{font-size:.74rem;letter-spacing:.14em;text-transform:uppercase;color:var(--muted);transition:color .4s,transform .5s var(--ease);display:inline-flex;gap:.5em;align-items:center}
.svc:hover .svc__a{color:var(--cuivre);transform:translateX(4px)}

/* ===================================================================
   DÉMARCHE — process 5 étapes
   =================================================================== */
.steps{display:grid;grid-template-columns:repeat(5,1fr);gap:1px;background:var(--line);border:1px solid var(--line)}
.step{background:var(--charbon);padding:clamp(1.6rem,2.4vw,2.4rem) clamp(1.2rem,2vw,1.8rem);position:relative;min-height:18rem;transition:background .5s var(--ease)}
.step:hover{background:var(--charbon-3)}
.step__n{font-family:var(--serif);font-size:clamp(2.2rem,3.4vw,2.8rem);font-weight:300;color:var(--cuivre);line-height:1}
.step__t{font-family:var(--serif);font-size:1.15rem;margin:1.3rem 0 .7rem;color:var(--cream);font-weight:500}
.step__d{font-size:.86rem;color:var(--cream-dim);line-height:1.55}
.step__duree{position:absolute;bottom:clamp(1.2rem,2vw,1.8rem);left:clamp(1.2rem,2vw,1.8rem);font-size:.66rem;letter-spacing:.16em;text-transform:uppercase;color:var(--muted)}

/* ===================================================================
   ÉCHANTILLONS (screenshot moment home)
   =================================================================== */
.samples{overflow:hidden}
.samples__grid{display:grid;grid-template-columns:1.15fr .85fr;gap:clamp(2rem,5vw,4.5rem);align-items:center}
.samples__media{position:relative;border:1px solid var(--line);overflow:hidden}
.samples__media img{width:100%;height:clamp(360px,46vw,560px);object-fit:cover;filter:saturate(.9);transition:transform 1.2s var(--ease),filter .8s}
.samples__media:hover img{transform:scale(1.05);filter:saturate(1)}
.samples__tag{position:absolute;top:1rem;left:1rem;font-size:.66rem;letter-spacing:.2em;text-transform:uppercase;color:var(--cream);background:rgba(21,17,13,.7);backdrop-filter:blur(6px);padding:.55em .9em;border:1px solid var(--line)}
.samples__txt .h-section{max-width:16ch}
.samples__txt p{color:var(--cream-dim);max-width:32rem;margin:1.4rem 0 0}
.matlist{list-style:none;padding:0;margin:2rem 0 0;display:grid;grid-template-columns:1fr 1fr;gap:.2rem 2rem}
.matlist li{display:flex;align-items:center;gap:.7em;padding:.7em 0;border-bottom:1px solid var(--line);font-size:.92rem;color:var(--cream)}
.matlist li::before{content:"";width:8px;height:8px;background:var(--cuivre);flex:none;transform:rotate(45deg)}
.matlist li em{font-style:italic;color:var(--muted);font-size:.82rem;margin-left:auto;font-family:var(--serif)}

/* giant watermark numeral */
.watermark{position:absolute;font-family:var(--serif);font-weight:300;font-size:clamp(14rem,34vw,30rem);line-height:.8;color:var(--cream);opacity:.025;pointer-events:none;user-select:none;right:-3vw;top:-4vw;z-index:0}

/* ===================================================================
   RÉALISATIONS (grille home + page)
   =================================================================== */
.real__grid{display:grid;grid-template-columns:repeat(12,1fr);gap:clamp(1rem,2vw,1.6rem)}
.r-card{position:relative;overflow:hidden;border:1px solid var(--line)}
.r-card img{width:100%;height:100%;object-fit:cover;filter:saturate(.9) brightness(.92);transition:transform 1s var(--ease),filter .8s}
.r-card:hover img{transform:scale(1.05);filter:saturate(1) brightness(1)}
.r-card__body{position:absolute;inset:0;display:flex;flex-direction:column;justify-content:flex-end;padding:clamp(1.2rem,2vw,1.8rem);background:linear-gradient(180deg,transparent 40%,rgba(21,17,13,.88))}
.r-card__k{font-size:.66rem;letter-spacing:.2em;text-transform:uppercase;color:var(--cuivre);margin-bottom:.5em}
.r-card__t{font-family:var(--serif);font-size:1.4rem;color:var(--cream);font-weight:400}
.r-card--a{grid-column:span 7;height:clamp(320px,42vw,520px)}
.r-card--b{grid-column:span 5;height:clamp(320px,42vw,520px)}
.r-card--c{grid-column:span 5;height:clamp(260px,30vw,360px)}
.r-card--d{grid-column:span 7;height:clamp(260px,30vw,360px)}
.r-card--e{grid-column:span 4;height:clamp(280px,26vw,380px)}
.r-card--f{grid-column:span 4;height:clamp(280px,26vw,380px)}
.r-card--g{grid-column:span 4;height:clamp(280px,26vw,380px)}

/* ===================================================================
   PREUVES
   =================================================================== */
.proof{border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.proof__grid{display:grid;grid-template-columns:1.4fr 1fr;gap:clamp(2rem,5vw,4rem);align-items:center}
.témo{font-family:var(--serif);font-size:clamp(1.3rem,2.4vw,2rem);line-height:1.4;font-weight:300;font-style:italic;color:var(--cream);margin:1.3rem 0 0}
.témo::before{content:"“";color:var(--cuivre);font-size:1.4em;line-height:0;margin-right:.05em}
.témo::after{content:"”";color:var(--cuivre)}
.témo__who{margin-top:1.6rem;font-style:normal;font-family:var(--sans);font-size:.92rem;color:var(--cream-dim)}
.témo__who strong{color:var(--cream);font-weight:500;display:block}
.certifs{display:flex;flex-direction:column;gap:1.2rem}
.cert{display:flex;gap:1.1rem;align-items:flex-start;padding:1.2rem 0;border-bottom:1px solid var(--line)}
.cert__i{flex:none;width:42px;height:42px;border:1px solid var(--cuivre);display:flex;align-items:center;justify-content:center;color:var(--cuivre);font-family:var(--serif);font-size:1.1rem}
.cert__t{font-size:.95rem;color:var(--cream);font-weight:500}
.cert__d{font-size:.82rem;color:var(--muted);margin-top:.2rem}

/* ===================================================================
   CTA FINAL / CTA BAND
   =================================================================== */
.cta-final{position:relative;overflow:hidden}
.cta-inner{text-align:center;padding-block:clamp(4rem,8vw,7rem);position:relative;z-index:2}
.cta-final .eyebrow{margin-bottom:1.6rem}
.cta-final h2{font-size:clamp(2.2rem,5.5vw,4rem);font-weight:300;max-width:18ch;margin-inline:auto}
.cta-final h2 em{font-style:italic;color:var(--cuivre-soft)}
.cta-final p{color:var(--cream-dim);max-width:34rem;margin:1.6rem auto 0}
.cta-actions{display:flex;gap:1rem;justify-content:center;flex-wrap:wrap;margin-top:2.6rem}

.cta-band{padding-block:clamp(3rem,6vw,4.5rem)}
.cta-band__inner{display:flex;align-items:center;justify-content:space-between;gap:2rem;flex-wrap:wrap}
.cta-band h3{font-size:clamp(1.6rem,3vw,2.4rem);max-width:24ch}
.cta-band p{color:var(--cream-dim);margin:.7rem 0 0;max-width:34rem}

/* ===================================================================
   PAGE HERO (inner pages)
   =================================================================== */
.page-hero{position:relative;min-height:min(78svh,720px);display:flex;align-items:flex-end;overflow:hidden;border-bottom:1px solid var(--line)}
.page-hero__bg{position:absolute;inset:0;z-index:0}
.page-hero__bg img{width:100%;height:100%;object-fit:cover;filter:saturate(.88) brightness(.55) contrast(1.03)}
.page-hero__bg::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(21,17,13,.5) 0%,rgba(21,17,13,.35) 40%,rgba(21,17,13,.92) 100%)}
.page-hero__inner{position:relative;z-index:2;padding:8rem var(--gut) clamp(2.6rem,5vw,4rem);width:100%}
.page-hero .wrap{padding-inline:0}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:.5em;font-size:.74rem;letter-spacing:.04em;color:var(--cream-dim);margin-bottom:1.6rem}
.breadcrumb a{color:var(--cream-dim);transition:color .3s}
.breadcrumb a:hover{color:var(--cuivre)}
.breadcrumb .sep{color:var(--muted)}
.breadcrumb .cur{color:var(--cream)}
.page-hero__title{font-size:clamp(2.4rem,6vw,4.6rem);font-weight:300;line-height:1.03;max-width:18ch}
.page-hero__title em{font-style:italic;color:var(--cuivre-soft)}
.page-hero__sub{margin-top:1.4rem;max-width:42rem;color:var(--cream-dim);font-size:1.08rem}
.page-hero__meta{display:flex;gap:2.4rem;flex-wrap:wrap;margin-top:2rem;padding-top:1.4rem;border-top:1px solid rgba(189,126,74,.3);max-width:48rem}
.page-hero__meta div{font-size:.74rem;letter-spacing:.04em;color:var(--muted)}
.page-hero__meta strong{display:block;color:var(--cream);font-family:var(--serif);font-size:1.2rem;font-weight:400}

/* ===================================================================
   PROSE (articles, guides, à propos)
   =================================================================== */
.prose{max-width:var(--readw);margin-inline:auto}
.prose > *{position:relative}
.prose h2{font-size:clamp(1.6rem,3vw,2.3rem);margin:3rem 0 1rem;line-height:1.15}
.prose h2:first-child{margin-top:0}
.prose h3{font-family:var(--serif);font-size:1.3rem;margin:2.2rem 0 .8rem;color:var(--cream);font-weight:500}
.prose p{color:var(--cream-dim);margin:0 0 1.2rem;font-size:1.05rem;line-height:1.75}
.prose strong{color:var(--cream);font-weight:500}
.prose a{color:var(--cuivre-soft);border-bottom:1px solid rgba(210,162,118,.4);transition:border-color .3s,color .3s}
.prose a:hover{color:var(--cuivre);border-color:var(--cuivre)}
.prose ul,.prose ol{color:var(--cream-dim);margin:0 0 1.4rem;padding-left:1.3rem}
.prose li{margin-bottom:.55em;line-height:1.7}
.prose li::marker{color:var(--cuivre)}
.prose blockquote{margin:2rem 0;padding:.4rem 0 .4rem 1.6rem;border-left:2px solid var(--cuivre);font-family:var(--serif);font-style:italic;font-size:1.3rem;color:var(--cream)}
.prose figure{margin:2.4rem 0}
.prose figure img{border:1px solid var(--line)}
.prose figcaption{font-size:.82rem;color:var(--muted);margin-top:.7rem;font-style:italic;font-family:var(--serif)}

.lede{font-family:var(--serif);font-size:clamp(1.3rem,2.2vw,1.7rem);line-height:1.45;color:var(--cream);font-weight:300;margin-bottom:2.4rem}

/* two-column editorial */
.two-col{display:grid;grid-template-columns:1.1fr .9fr;gap:clamp(2rem,5vw,4.5rem);align-items:start}
.two-col--rev{grid-template-columns:.9fr 1.1fr}
.media-card{border:1px solid var(--line);overflow:hidden;position:relative}
.media-card img{width:100%;height:clamp(320px,40vw,520px);object-fit:cover;filter:saturate(.9)}

/* feature list */
.feat{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line);border:1px solid var(--line);margin-top:clamp(2rem,4vw,3rem)}
.feat__item{background:var(--charbon);padding:clamp(1.4rem,2vw,2rem)}
.feat__n{font-family:var(--serif);color:var(--cuivre);font-size:.95rem;font-style:italic;margin-bottom:.8rem}
.feat__t{font-family:var(--serif);font-size:1.15rem;color:var(--cream);margin-bottom:.6rem;font-weight:500}
.feat__d{font-size:.88rem;color:var(--cream-dim);line-height:1.6}

/* cards grid (3) */
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:clamp(1.2rem,2vw,1.8rem)}
.card{border:1px solid var(--line);padding:clamp(1.6rem,2.4vw,2.4rem);background:var(--charbon);transition:background .5s var(--ease),transform .5s var(--ease),border-color .5s}
.card:hover{background:var(--charbon-3);transform:translateY(-4px);border-color:var(--cuivre-deep)}
.card__i{width:44px;height:44px;border:1px solid var(--cuivre);display:flex;align-items:center;justify-content:center;color:var(--cuivre);font-family:var(--serif);font-size:1.1rem;margin-bottom:1.3rem}
.card__t{font-family:var(--serif);font-size:1.25rem;color:var(--cream);margin-bottom:.7rem;font-weight:500}
.card__d{font-size:.9rem;color:var(--cream-dim);line-height:1.6}
.card__a{display:inline-block;margin-top:1.2rem;font-size:.74rem;letter-spacing:.14em;text-transform:uppercase;color:var(--cuivre)}

/* FAQ accordion */
.faq{max-width:var(--readw);margin-inline:auto;border-top:1px solid var(--line)}
.faq details{border-bottom:1px solid var(--line);padding:0}
.faq summary{list-style:none;cursor:pointer;padding:clamp(1.3rem,2vw,1.8rem) 2.4rem clamp(1.3rem,2vw,1.8rem) 0;font-family:var(--serif);font-size:clamp(1.1rem,1.8vw,1.4rem);color:var(--cream);position:relative;transition:color .3s}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";position:absolute;right:0;top:50%;transform:translateY(-50%);color:var(--cuivre);font-size:1.6rem;font-weight:300;transition:transform .4s var(--ease)}
.faq details[open] summary::after{transform:translateY(-50%) rotate(45deg)}
.faq summary:hover{color:var(--cuivre-soft)}
.faq .a{padding:0 2.4rem clamp(1.4rem,2vw,1.9rem) 0;color:var(--cream-dim);line-height:1.7;font-size:1rem}

/* FORM (devis / contact) */
.form{max-width:60rem;margin-inline:auto}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:1.2rem 1.4rem}
.field{display:flex;flex-direction:column;gap:.5rem}
.field--full{grid-column:1 / -1}
.field label{font-size:.74rem;letter-spacing:.1em;text-transform:uppercase;color:var(--muted)}
.field label .req{color:var(--cuivre)}
.field input,.field select,.field textarea{
  background:var(--charbon-2);border:1px solid var(--line);color:var(--cream);
  font-family:var(--sans);font-size:1rem;padding:.9rem 1rem;border-radius:2px;
  transition:border-color .3s,background .3s;width:100%;
}
.field textarea{resize:vertical;min-height:130px}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--cuivre);background:var(--charbon-3)}
.field input::placeholder,.field textarea::placeholder{color:var(--muted)}
.field select{appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%23BD7E4A' fill='none' stroke-width='1.4'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 1rem center}
.form-hint{font-size:.82rem;color:var(--muted);margin-top:.3rem}
.form-note{font-size:.82rem;color:var(--muted);margin-top:1.4rem;line-height:1.6}

/* multistep devis */
.steps-progress{display:flex;gap:.4rem;margin-bottom:2.4rem;max-width:60rem;margin-inline:auto}
.steps-progress .pip{flex:1;height:2px;background:var(--line);position:relative;overflow:hidden}
.steps-progress .pip::after{content:"";position:absolute;inset:0;width:0;background:var(--cuivre);transition:width .6s var(--ease)}
.steps-progress .pip.done::after{width:100%}
.steps-progress .pip.cur::after{width:50%}
.step-pane{display:none}
.step-pane.active{display:block;animation:fadein .5s var(--ease)}
@keyframes fadein{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:none}}
.form-nav{display:flex;justify-content:space-between;gap:1rem;margin-top:2rem;align-items:center;flex-wrap:wrap}
.form-nav .back{background:none;color:var(--cream-dim);border:none;cursor:pointer;font-size:.78rem;letter-spacing:.14em;text-transform:uppercase;padding:1em 0;transition:color .3s}
.form-nav .back:hover{color:var(--cuivre)}

/* contact split */
.contact-grid{display:grid;grid-template-columns:1fr 1.2fr;gap:clamp(2rem,5vw,4rem);align-items:start}
.contact-info{border:1px solid var(--line);padding:clamp(1.6rem,3vw,2.6rem);background:var(--charbon-2)}
.contact-info h3{font-family:var(--serif);font-size:1.3rem;margin-bottom:1.4rem;color:var(--cream)}
.contact-info dl{margin:0}
.contact-info dt{font-size:.72rem;letter-spacing:.14em;text-transform:uppercase;color:var(--muted);margin-top:1.2rem}
.contact-info dt:first-child{margin-top:0}
.contact-info dd{margin:.3rem 0 0;color:var(--cream);font-size:1rem}
.contact-info dd a{color:var(--cream);border-bottom:1px solid transparent;transition:color .3s,border-color .3s}
.contact-info dd a:hover{color:var(--cuivre);border-color:var(--cuivre)}
.contact-info .tel{font-family:var(--serif);font-size:1.6rem}

/* prev / next (guides) */
.prevnext{display:grid;grid-template-columns:1fr 1fr;gap:1.2rem;border-top:1px solid var(--line);margin-top:clamp(3rem,6vw,5rem);padding-top:clamp(2rem,4vw,3rem)}
.prevnext a{border:1px solid var(--line);padding:clamp(1.4rem,2.4vw,2rem);transition:border-color .4s,background .4s;display:block}
.prevnext a:hover{border-color:var(--cuivre);background:var(--charbon-2)}
.prevnext .lbl{font-size:.7rem;letter-spacing:.18em;text-transform:uppercase;color:var(--muted)}
.prevnext .t{font-family:var(--serif);font-size:1.15rem;color:var(--cream);margin-top:.6rem}
.prevnext .next{text-align:right}

/* ===================================================================
   FOOTER
   =================================================================== */
.site-footer{background:#100C08;border-top:1px solid var(--line);font-size:.92rem}
.foot-top{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:clamp(2rem,4vw,3.5rem);padding-block:clamp(3.5rem,6vw,5.5rem)}
.foot-brand .brand__name{font-size:1.5rem}
.foot-brand p{color:var(--cream-dim);max-width:24rem;margin:1.4rem 0 0;font-size:.95rem;line-height:1.6}
.foot-col h3{font-family:var(--sans);font-size:.72rem;letter-spacing:.2em;text-transform:uppercase;color:var(--muted);font-weight:500;margin:0 0 1.3rem}
.foot-col ul{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:.7rem}
.foot-col a{color:var(--cream-dim);transition:color .3s,padding .4s var(--ease);display:inline-block}
.foot-col a:hover{color:var(--cuivre);padding-left:.4rem}
.foot-contact address{font-style:normal;color:var(--cream-dim);line-height:1.7}
.foot-contact address a{color:var(--cream)}
.foot-contact .tel{font-family:var(--serif);font-size:1.5rem;color:var(--cream);display:inline-block;margin-bottom:.6rem}
.foot-contact .tel:hover{color:var(--cuivre)}
.foot-bottom{border-top:1px solid var(--line);padding-block:1.6rem;display:flex;justify-content:space-between;gap:1.5rem;flex-wrap:wrap;font-size:.8rem;color:var(--muted)}
.foot-bottom a{color:var(--muted)}
.foot-bottom a:hover{color:var(--cuivre)}
.foot-bottom .leadgen{color:var(--cream-dim)}
.foot-bottom .leadgen b{color:var(--cuivre);font-weight:500}

/* ===================================================================
   MOBILE MENU OVERLAY
   =================================================================== */
.mobile-menu{position:fixed;inset:0;z-index:150;background:var(--charbon);
  clip-path:circle(0% at calc(100% - 2.4rem) 2.4rem);transition:clip-path .7s var(--ease);
  display:flex;flex-direction:column;padding:6rem var(--gut) 3rem}
.mobile-menu.open{clip-path:circle(150% at calc(100% - 2.4rem) 2.4rem)}
.mm-links{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:.2rem}
.mm-links li{overflow:hidden}
.mm-links a{font-family:var(--serif);font-size:clamp(1.7rem,6vw,2.4rem);color:var(--cream);display:block;padding:.35em 0;
  transform:translateY(110%);transition:transform .6s var(--ease);border-bottom:1px solid var(--line)}
.mm-links a .n{font-family:var(--sans);font-size:.7rem;color:var(--cuivre);letter-spacing:.2em;vertical-align:middle;margin-right:.7em}
.mobile-menu.open .mm-links a{transform:none}
.mobile-menu.open .mm-links li:nth-child(1) a{transition-delay:.12s}
.mobile-menu.open .mm-links li:nth-child(2) a{transition-delay:.18s}
.mobile-menu.open .mm-links li:nth-child(3) a{transition-delay:.24s}
.mobile-menu.open .mm-links li:nth-child(4) a{transition-delay:.30s}
.mobile-menu.open .mm-links li:nth-child(5) a{transition-delay:.36s}
.mobile-menu.open .mm-links li:nth-child(6) a{transition-delay:.42s}
.mobile-menu.open .mm-links li:nth-child(7) a{transition-delay:.48s}
.mm-foot{margin-top:auto;display:flex;flex-direction:column;gap:1rem;padding-top:2rem}
.mm-foot .tel{font-family:var(--serif);font-size:1.6rem;color:var(--cream)}

/* ===================================================================
   STICKY MOBILE CTA BAR
   =================================================================== */
.mobile-bar{position:fixed;left:0;right:0;bottom:0;z-index:140;display:none;gap:.6rem;
  padding:.6rem max(var(--gut),env(safe-area-inset-right)) max(.6rem,env(safe-area-inset-bottom)) max(var(--gut),env(safe-area-inset-left));
  background:rgba(16,12,8,.92);backdrop-filter:blur(14px);border-top:1px solid var(--line)}
.mobile-bar a{flex:1;text-align:center;padding:1em .5em;font-size:.78rem;letter-spacing:.1em;text-transform:uppercase;border-radius:2px}
.mobile-bar .call{border:1px solid var(--cuivre);color:var(--cuivre)}
.mobile-bar .quote{background:var(--cuivre);color:var(--charbon);font-weight:500}

/* 404 */
.err404{min-height:100svh;display:flex;align-items:center;justify-content:center;text-align:center;padding:8rem var(--gut) 4rem}
.err404 .big{font-family:var(--serif);font-size:clamp(6rem,22vw,16rem);line-height:.9;color:var(--cuivre);font-weight:300}
.err404 h1{font-size:clamp(1.8rem,4vw,2.8rem);margin:1rem 0;font-weight:400}

/* ===================================================================
   RESPONSIVE
   =================================================================== */
@media (max-width:1080px){
  .nav__links,.lang,.header-cta{display:none}
  .burger{display:flex}
  .hero{grid-template-columns:1fr;min-height:auto}
  .hero__copy{padding-top:8rem}
  .hero__visual{border-left:none;border-top:1px solid var(--line);height:60vh;order:-1}
  .manifeste__grid{grid-template-columns:1fr;gap:2.4rem}
  .chiffres{grid-template-columns:1fr 1fr}
  .chiffre:nth-child(3){border-left:none}
  .chiffre:nth-child(3),.chiffre:nth-child(4){border-top:1px solid var(--line)}
  .steps{grid-template-columns:1fr 1fr}
  .step{min-height:15rem}
  .step:nth-child(5){grid-column:span 2}
  .samples__grid{grid-template-columns:1fr}
  .proof__grid{grid-template-columns:1fr}
  .foot-top{grid-template-columns:1fr 1fr}
  .foot-brand{grid-column:span 2}
  .r-card--a,.r-card--b,.r-card--c,.r-card--d,.r-card--e,.r-card--f,.r-card--g{grid-column:span 12}
  .r-card--a,.r-card--b{height:48vw}
  .r-card--c,.r-card--d{height:42vw}
  .r-card--e,.r-card--f,.r-card--g{height:44vw}
  .two-col,.two-col--rev{grid-template-columns:1fr;gap:2rem}
  .feat{grid-template-columns:1fr}
  .cards{grid-template-columns:1fr 1fr}
  .contact-grid{grid-template-columns:1fr}
  .form-grid{grid-template-columns:1fr}
}
@media (max-width:740px){
  .svc{grid-template-columns:auto 1fr;gap:1rem}
  .svc__d,.svc__a{grid-column:1 / -1}
  .svc__a{margin-top:-.4rem}
  .matlist{grid-template-columns:1fr}
  .chiffres{grid-template-columns:1fr}
  .chiffre{border-left:none;border-top:1px solid var(--line)}
  .chiffre:first-child{border-top:none}
  .steps{grid-template-columns:1fr}
  .step:nth-child(5){grid-column:span 1}
  .foot-top{grid-template-columns:1fr}
  .foot-brand{grid-column:span 1}
  .foot-bottom{flex-direction:column;gap:.6rem}
  .mobile-bar{display:flex}
  body{padding-bottom:74px}
  .scrollind{display:none}
  .cards{grid-template-columns:1fr}
  .cta-band__inner{flex-direction:column;align-items:flex-start}
  .prevnext{grid-template-columns:1fr}
  .prevnext .next{text-align:left}
}