:root{
  --platre:#fbfbf8;
  --encre:#1c1c1a;
  --molasse:#6f7a5f;
  --molasse-clair:#e6e9df;
  --ciment:#d9d8d1;
  --gris:#5b5b56;
  --max:1180px;
  --font:"Helvetica Neue",Helvetica,Arial,"Nimbus Sans","Liberation Sans",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--platre);color:var(--encre);font:400 1.0625rem/1.6 var(--font)}
img{max-width:100%;height:auto;display:block}
a{color:inherit}
:focus-visible{outline:3px solid var(--molasse);outline-offset:3px}
.wrap{max-width:var(--max);margin:0 auto;padding:0 20px}
h1,h2,h3{line-height:1.08;letter-spacing:-.02em;margin:0;font-weight:700}
h2{font-size:clamp(1.75rem,3.2vw,2.5rem);margin-bottom:.6em}
h3{font-size:1.25rem;letter-spacing:-.01em}
p{margin:0 0 1em;max-width:62ch}
.skip{position:absolute;left:-999px}
.skip:focus{left:12px;top:12px;background:#fff;padding:8px 12px;z-index:10}

/* ---------- boutons ---------- */
.btn{display:inline-block;padding:.85em 1.4em;font-weight:700;text-decoration:none;border:2px solid var(--encre);border-radius:2px;line-height:1.2}
.btn-plein{background:var(--encre);color:#fff}
.btn-plein:hover{background:#000}
.btn-vide:hover{background:var(--encre);color:#fff}

/* ---------- en-tête ---------- */
.site-header{border-bottom:1px solid var(--ciment);background:var(--platre)}
.site-header .wrap{display:flex;align-items:center;gap:24px;min-height:76px}
.logo{text-decoration:none;line-height:1;display:flex;flex-direction:column}
.logo b{font-size:1.75rem;letter-spacing:-.04em}
.logo span{font-size:.8rem;color:var(--gris);margin-top:3px}
.nav{margin-left:auto;display:flex;gap:22px;align-items:center}
.nav a{text-decoration:none;font-size:.95rem}
.nav a:hover{text-decoration:underline;text-underline-offset:4px}
.nav .lang{color:var(--gris)}
.tel{font-weight:700;text-decoration:none;white-space:nowrap}
@media (max-width:860px){
  .nav a:not(.lang){display:none}
  .nav{gap:14px}
}

/* ---------- hero ---------- */
.hero{padding:64px 0 72px}
.hero .wrap{display:grid;grid-template-columns:1.1fr .9fr;gap:48px;align-items:end}
.hero h1{font-size:clamp(2.4rem,6vw,4.6rem);letter-spacing:-.035em;margin-bottom:.4em}
.hero .lead{font-size:1.2rem;color:#33332f}
.actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:1.6em}
.atouts{list-style:none;padding:0;margin:2em 0 0;display:flex;flex-wrap:wrap;gap:8px 24px;color:var(--gris);font-size:.95rem}
.atouts li::before{content:"";display:inline-block;width:.6em;height:.6em;background:var(--molasse);margin-right:.5em;vertical-align:.05em}
@media (max-width:860px){.hero{padding:40px 0 48px}.hero .wrap{grid-template-columns:1fr;gap:32px}}

/* bloc photo provisoire — à remplacer par <img> */
.photo{position:relative;background:
  linear-gradient(135deg,rgba(255,255,255,.35),rgba(255,255,255,0) 60%),
  repeating-linear-gradient(100deg,#e9e8e1 0 14px,#e2e1d9 14px 30px);
  border:1px solid var(--ciment);display:flex;align-items:flex-end;color:var(--gris);font-size:.85rem}
.photo span{background:rgba(251,251,248,.9);padding:6px 10px}
.hero .photo{aspect-ratio:4/5}

/* ---------- prestations ---------- */
.section{padding:72px 0}
.section + .section{padding-top:0}
.intro{color:var(--gris);margin-bottom:2em}
.prestations{list-style:none;margin:0;padding:0;border-top:2px solid var(--encre)}
.prestations li{border-bottom:1px solid var(--ciment)}
.prestations a{display:grid;grid-template-columns:minmax(200px,1fr) 2fr auto;gap:24px;align-items:baseline;padding:22px 0;text-decoration:none}
.prestations a:hover h3{text-decoration:underline;text-underline-offset:5px}
.prestations p{margin:0;color:#3b3b37}
.prestations .plus{font-weight:700;white-space:nowrap}
@media (max-width:700px){.prestations a{grid-template-columns:1fr;gap:6px}}

/* ---------- zones : nuancier ---------- */
.zones{background:var(--encre);color:#fff;padding:80px 0}
.zones .intro{color:#c9c9c2}
.nuancier{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(7,1fr);gap:10px}
.nuancier a{display:flex;flex-direction:column;background:#fff;color:var(--encre);text-decoration:none;border-radius:3px;overflow:hidden;min-height:250px;transition:transform .2s ease}
.nuancier a:hover,.nuancier a:focus-visible{transform:translateY(-8px)}
.teinte{flex:1;background:var(--c)}
.etiquette{padding:12px 12px 14px;font-size:.85rem;line-height:1.35}
.etiquette b{display:block;font-size:1rem;margin-bottom:2px}
.etiquette span{color:var(--gris)}
@media (max-width:1000px){.nuancier{grid-template-columns:repeat(4,1fr)}}
@media (max-width:600px){.nuancier{grid-template-columns:repeat(2,1fr)}.nuancier a{min-height:180px}}
@media (prefers-reduced-motion:reduce){.nuancier a{transition:none}}

/* ---------- réalisations ---------- */
.realisations{display:grid;grid-template-columns:2fr 1fr 1fr;gap:16px;margin:0 0 1.5em}
.realisations figure{margin:0}
.realisations .photo{aspect-ratio:4/3}
.realisations figure:first-child{display:flex;flex-direction:column}
.realisations figure:first-child .photo{aspect-ratio:auto;flex:1;min-height:320px}
.realisations figcaption{font-size:.9rem;color:var(--gris);margin-top:8px}
@media (max-width:760px){.realisations{grid-template-columns:1fr}.realisations figure:first-child .photo{min-height:240px}}

/* ---------- déroulement ---------- */
.etapes{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(4,1fr);gap:28px;counter-reset:e}
.etapes li{counter-increment:e;border-top:2px solid var(--encre);padding-top:14px}
.etapes li::before{content:counter(e);display:block;font-size:2.4rem;font-weight:700;color:var(--molasse);line-height:1;margin-bottom:10px}
.etapes p{color:#3b3b37;font-size:.98rem;margin:.4em 0 0}
@media (max-width:860px){.etapes{grid-template-columns:1fr 1fr}}
@media (max-width:520px){.etapes{grid-template-columns:1fr}}

/* ---------- FAQ ---------- */
.faq details,.faq h2{max-width:780px}
.faq details{border-bottom:1px solid var(--ciment)}
.faq summary{cursor:pointer;padding:18px 32px 18px 0;font-weight:700;font-size:1.1rem;list-style:none;position:relative}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";position:absolute;right:4px;top:14px;font-size:1.5rem;font-weight:400}
.faq details[open] summary::after{content:"–"}
.faq details p{color:#3b3b37}

/* ---------- appel devis ---------- */
.devis{background:var(--molasse-clair);padding:64px 0}
.devis .wrap{display:flex;flex-wrap:wrap;gap:24px;align-items:center;justify-content:space-between}
.devis h2{margin:0}
.devis p{margin:.5em 0 0;color:#3b3b37}

/* ---------- pied de page ---------- */
.site-footer{padding:56px 0 32px;font-size:.95rem}
.site-footer .wrap{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:32px}
.site-footer h2{font-size:1rem;letter-spacing:0;margin-bottom:.8em}
.site-footer ul{list-style:none;margin:0;padding:0}
.site-footer li{margin-bottom:.4em}
.site-footer address{font-style:normal}
.legal{grid-column:1/-1;border-top:1px solid var(--ciment);padding-top:20px;color:var(--gris);font-size:.85rem;display:flex;flex-wrap:wrap;gap:8px 24px}
@media (max-width:860px){.site-footer .wrap{grid-template-columns:1fr 1fr}}
@media (max-width:520px){.site-footer .wrap{grid-template-columns:1fr}}

/* =================================================================
   Pages intérieures (prestations, 404)
   ================================================================= */
.fil{font-size:.88rem;color:var(--gris);padding-top:28px}
.fil ol{list-style:none;margin:0;padding:0;display:flex;flex-wrap:wrap;gap:4px 0}
.fil li+li::before{content:"/";margin:0 .55em;color:var(--ciment)}
.fil a{text-decoration:none}
.fil a:hover{text-decoration:underline;text-underline-offset:3px}

.page-hero{padding:28px 0 48px;border-bottom:1px solid var(--ciment)}
.page-hero h1{font-size:clamp(2.1rem,4.6vw,3.6rem);letter-spacing:-.03em;max-width:18ch;margin:.25em 0 .4em}
.page-hero .lead{font-size:1.18rem;color:#33332f;max-width:60ch}

.page-grid{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:72px;padding-top:56px;padding-bottom:72px;align-items:start}
@media (max-width:900px){.page-grid{grid-template-columns:1fr;gap:48px}}

.contenu h2{font-size:clamp(1.45rem,2.4vw,1.85rem);margin:2em 0 .55em}
.contenu > h2:first-child{margin-top:0}
.contenu p{max-width:64ch}
.liste{list-style:none;margin:0 0 1.2em;padding:0;max-width:64ch}
.liste li{padding:.55em 0 .55em 1.4em;position:relative;border-bottom:1px solid var(--ciment)}
.liste li:first-child{border-top:1px solid var(--ciment)}
.liste li::before{content:"";position:absolute;left:0;top:1.05em;width:.6em;height:.6em;background:var(--molasse)}
.liste b{font-weight:700}
.contenu .photo{aspect-ratio:16/9;margin:2em 0 .5em}
.legende{font-size:.9rem;color:var(--gris);margin-top:0}
.encadre{background:var(--molasse-clair);padding:20px 22px;margin:2em 0;max-width:64ch}
.encadre p:last-child{margin-bottom:0}

.cote{position:sticky;top:24px;display:grid;gap:36px}
.cote h2{font-size:1rem;letter-spacing:0;margin:0 0 .7em}
.carte-devis{border-top:2px solid var(--encre);padding-top:16px}
.carte-devis p{font-size:.98rem;color:#3b3b37}
.carte-devis .btn{display:block;text-align:center;margin-bottom:10px}
.autres{list-style:none;margin:0;padding:0;border-top:2px solid var(--encre)}
.autres li{border-bottom:1px solid var(--ciment)}
.autres a{display:block;padding:11px 0;text-decoration:none}
.autres a:hover{text-decoration:underline;text-underline-offset:4px}
.autres a[aria-current]{font-weight:700;text-decoration:none;cursor:default}
@media (max-width:900px){.cote{position:static}}

.faq-bloc{padding:0 0 72px}

/* 404 */
.erreur{padding:72px 0 96px}
.erreur .code{display:flex;gap:6px;margin-bottom:28px}
.erreur .code span{width:56px;height:88px;border-radius:3px;background:var(--c)}
.erreur h1{font-size:clamp(2.1rem,5vw,3.6rem);letter-spacing:-.03em;margin-bottom:.4em}
.erreur .liens{list-style:none;padding:0;margin:2em 0 0;display:flex;flex-wrap:wrap;gap:10px}