html{-webkit-text-size-adjust:100%}body{margin:0}img{max-width:100%}[hidden]{display:none!important}
/* Mise en page : bandeaux pleine largeur comme les assises d'une façade en pierre ; contenu sur une colonne de 1120px. */
:root{
  --stone:#F7F5F0;      /* pierre de Gironde, fond */
  --stone-2:#ECE7DC;    /* pierre ombrée */
  --ink:#24282B;        /* zinc / ardoise */
  --ink-2:#55595A;
  --ochre:#B4652A;      /* terre cuite, accent */
  --slate:#2F3A40;      /* bandeau sombre */
  --on-slate:#EFE6D2;
  --line:#DAD3C4;
  --card:#FFFFFF;
  --facade:#E6D6B4;
  --glass:#3B4A52;
  --f-display:"Big Shoulders Display","Arial Narrow",Impact,sans-serif;
  --f-body:"Source Sans 3","Segoe UI",system-ui,sans-serif;
  --f-mono:"IBM Plex Mono",ui-monospace,Menlo,monospace;
}
@media (prefers-color-scheme: dark){:root:not([data-theme="light"]){
  --stone:#1C1F21;--stone-2:#24282A;--ink:#EDE4D0;--ink-2:#B5AC9A;--ochre:#DB8A4C;
  --slate:#121516;--on-slate:#EDE4D0;--line:#3A3C38;--card:#232628;--glass:#16202A;color-scheme:dark}}
:root[data-theme="dark"]{
  --stone:#1C1F21;--stone-2:#24282A;--ink:#EDE4D0;--ink-2:#B5AC9A;--ochre:#DB8A4C;
  --slate:#121516;--on-slate:#EDE4D0;--line:#3A3C38;--card:#232628;--glass:#16202A;color-scheme:dark}

*{box-sizing:border-box}
body{background:var(--stone);color:var(--ink);font-family:var(--f-body);font-size:17px;line-height:1.6;-webkit-font-smoothing:antialiased}
body::before{content:"";position:fixed;inset:0 0 auto;height:env(safe-area-inset-top,0px);z-index:10;background:var(--stone)}
.band{padding-left:max(16px,env(safe-area-inset-left,0px));padding-right:max(16px,env(safe-area-inset-right,0px))}
.wrap{max-width:1120px;margin:0 auto}
h1,h2,h3{font-family:var(--f-display);text-wrap:balance;line-height:1;margin:0;letter-spacing:.005em}
h2{font-size:clamp(2.2rem,5vw,3.4rem);font-weight:800;text-transform:uppercase}
h3{font-size:1.55rem;font-weight:600;text-transform:uppercase}
p{margin:0}
.eyebrow{font-family:var(--f-mono);font-size:.78rem;letter-spacing:.12em;text-transform:uppercase;color:var(--ochre)}
a{color:inherit}
:focus-visible{outline:3px solid var(--ochre);outline-offset:3px}

/* En-tête */
/* Bandeau de marque : reprend l'en-tête papier de l'entreprise, toujours sur fond blanc */
.brandbar{background:var(--stone)}
.brand{max-width:1120px;margin:0 auto;display:flex;align-items:center;justify-content:space-between;gap:clamp(8px,3vw,40px);padding-block:clamp(12px,2vw,20px) clamp(8px,1.5vw,14px);text-decoration:none;color:var(--ink)}
.pillar{height:clamp(100px,18vw,220px);aspect-ratio:114/286;flex:none;background:var(--ochre);-webkit-mask:var(--m) center/contain no-repeat;mask:var(--m) center/contain no-repeat}
.pillar-g{--m:url("brand/pilier-g.png")}
.pillar-d{--m:url("brand/pilier-d.png");aspect-ratio:107/286}
.brand-name{display:grid;justify-items:center;text-align:center;font-family:var(--f-display);text-transform:uppercase;line-height:.95;min-width:0;text-wrap:balance}
.brand-name span:first-child{font-weight:800;font-size:clamp(1.6rem,7vw,5rem)}
.brand-name span:last-child{font-weight:600;font-size:clamp(.85rem,2.9vw,1.9rem);letter-spacing:.14em;color:var(--ochre);margin-top:.35em}
header{position:sticky;top:env(safe-area-inset-top,0px);z-index:5;background:var(--stone);border-bottom:1px solid var(--line)}
header .wrap{display:flex;align-items:center;justify-content:space-between;gap:16px;padding-block:10px}
nav{display:flex;gap:22px;align-items:center;overflow-x:auto;min-width:0;scrollbar-width:none}
nav a{text-decoration:none;font-weight:600;font-size:.95rem;white-space:nowrap}
nav a:hover{color:var(--ochre)}
.btn{display:inline-block;background:var(--ochre);color:#fff;font-weight:600;text-decoration:none;padding:12px 20px;border:0;border-radius:2px;font-size:1rem;font-family:var(--f-body);cursor:pointer;white-space:nowrap}
.btn:hover{filter:brightness(1.08)}
@media (max-width:560px){nav{gap:16px}nav a{font-size:.88rem}header .btn{padding:9px 12px;font-size:.88rem}}

/* Hero */
.hero .wrap{display:grid;grid-template-columns:1.05fr 1fr;gap:48px;align-items:center;padding-block:56px 64px}
.hero h1{font-size:clamp(3rem,8.5vw,6.2rem);font-weight:800;text-transform:uppercase;line-height:.88}
.hero h1 em{font-style:normal;color:var(--ochre)}
.hero .lead{font-size:1.2rem;max-width:34ch;margin-top:22px;color:var(--ink-2)}
.hero .ctas{display:flex;flex-wrap:wrap;gap:12px;margin-top:30px;align-items:center}
.link-arrow{font-weight:600;text-decoration:none;border-bottom:2px solid var(--ochre);padding-bottom:2px}
.hero-photo{margin:0;min-width:0;position:relative}
.hero-photo img{display:block;width:100%;height:auto;aspect-ratio:4/3;object-fit:cover;border-radius:2px}
.hero-photo figcaption{font-family:var(--f-mono);font-size:.78rem;color:var(--ink-2);margin-top:10px}

/* Réalisations */
.projects{display:grid;gap:72px}
.project{display:grid;gap:22px;min-width:0}
.project-head{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.3fr);gap:24px;align-items:end;border-top:2px solid var(--ink);padding-top:18px}
.project-head p{color:var(--ink-2);max-width:56ch}
.project-head .tag{font-family:var(--f-mono);font-size:.75rem;color:var(--ink-2);letter-spacing:.04em;display:block;margin-bottom:8px}
@media (max-width:760px){.project-head{grid-template-columns:1fr;gap:10px}}
.pair{display:grid;grid-template-columns:1fr 1fr;gap:12px;min-width:0}
.pairs{display:grid;gap:28px}
.pair-label{grid-column:1/-1;font-weight:600;font-size:.95rem}
.shot{margin:0;position:relative;min-width:0;background:var(--stone-2)}
.shot img{display:block;width:100%;aspect-ratio:4/3;object-fit:cover}
.shot.tall img{aspect-ratio:3/4}
.shot figcaption{position:absolute;left:10px;top:10px;font-family:var(--f-mono);font-size:.72rem;letter-spacing:.1em;text-transform:uppercase;padding:4px 9px;border-radius:2px;background:var(--slate);color:var(--on-slate)}
.shot figcaption.after{background:var(--ochre);color:#fff}
.trio{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}
.trio .shot img{aspect-ratio:3/4}
@media (max-width:640px){.pair{grid-template-columns:1fr}.trio{grid-template-columns:1fr}.trio .shot img,.shot.tall img{aspect-ratio:4/3}}
@media (max-width:860px){.hero .wrap{grid-template-columns:1fr;gap:32px;padding-block:36px 48px}}

/* Chiffres repères */
.facts{background:var(--slate);color:var(--on-slate)}
.facts .wrap{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;padding-block:28px}
.facts b{display:block;font-family:var(--f-display);font-size:1.6rem;text-transform:uppercase;font-weight:600;line-height:1.05}
.facts span{font-size:.92rem;opacity:.8}
@media (max-width:760px){.facts .wrap{grid-template-columns:1fr 1fr}}

/* Prestations */
section.block .wrap{padding-block:80px}
.sec-head{display:grid;grid-template-columns:1fr 1fr;gap:32px;align-items:end;margin-bottom:44px}
.sec-head p{color:var(--ink-2);max-width:52ch}
@media (max-width:760px){.sec-head{grid-template-columns:1fr;gap:14px}}
.services{display:grid;grid-template-columns:repeat(3,1fr);border-top:2px solid var(--ink)}
.svc{padding:28px 24px 30px 0;border-bottom:1px solid var(--line);display:grid;gap:10px;align-content:start;min-width:0}
.svc:not(:nth-child(3n+1)){padding-left:24px;border-left:1px solid var(--line)}
.svc .tag{font-family:var(--f-mono);font-size:.75rem;color:var(--ink-2);letter-spacing:.04em}
.svc p{color:var(--ink-2);font-size:1rem}
@media (max-width:860px){.services{grid-template-columns:1fr 1fr}.svc:not(:nth-child(3n+1)){padding-left:0;border-left:0}.svc:nth-child(even){padding-left:20px;border-left:1px solid var(--line)}}
@media (max-width:560px){.services{grid-template-columns:1fr}.svc:nth-child(even){padding-left:0;border-left:0}}

/* Démarche */
.method{background:var(--stone-2)}
.steps{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(5,1fr);gap:0;counter-reset:s}
.steps li{counter-increment:s;padding:0 20px 0 0;display:grid;gap:8px;align-content:start;min-width:0}
.steps li::before{content:counter(s,decimal-leading-zero);font-family:var(--f-display);font-weight:800;font-size:3rem;color:var(--ochre);line-height:1;border-bottom:2px solid var(--ink);padding-bottom:10px;margin-bottom:6px}
.steps p{font-size:.98rem;color:var(--ink-2)}
@media (max-width:900px){.steps{grid-template-columns:1fr 1fr;row-gap:36px}}
@media (max-width:520px){.steps{grid-template-columns:1fr}}

/* Zone */
.zone .wrap{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:start}
.towns{display:flex;flex-wrap:wrap;gap:8px;margin-top:22px}
.towns span{border:1px solid var(--line);padding:5px 12px;font-size:.92rem;border-radius:2px;background:var(--card)}
.note{border-left:3px solid var(--ochre);padding:4px 0 4px 18px;color:var(--ink-2)}
.note h3{color:var(--ink);margin-bottom:10px}
@media (max-width:760px){.zone .wrap{grid-template-columns:1fr;gap:32px}}

/* Devis */
.quote{background:var(--slate);color:var(--on-slate)}
.quote .wrap{display:grid;grid-template-columns:.9fr 1.1fr;gap:56px}
.quote .eyebrow{color:var(--ochre)}
.quote h2{margin-top:10px}
.coords{margin-top:28px;display:grid;gap:14px}
.coords div{display:grid;gap:2px}
.coords small{font-family:var(--f-mono);font-size:.74rem;letter-spacing:.1em;text-transform:uppercase;opacity:.65}
.coords strong{font-size:1.15rem;user-select:all}
form{display:grid;grid-template-columns:1fr 1fr;gap:16px;min-width:0}
form .full{grid-column:1/-1}
label{display:grid;gap:6px;font-size:.88rem;font-weight:600}
input,select,textarea{font:inherit;font-weight:400;font-size:1rem;padding:11px 12px;border-radius:2px;border:1px solid rgba(239,230,210,.28);background:rgba(239,230,210,.06);color:var(--on-slate);width:100%}
select option{color:#24282B;background:#EFE6D2}
textarea{min-height:120px;resize:vertical}
.form-msg{grid-column:1/-1;font-size:.95rem;padding:12px 14px;border:1px solid var(--ochre);border-radius:2px}
@media (max-width:860px){.quote .wrap{grid-template-columns:1fr;gap:40px}}
@media (max-width:520px){form{grid-template-columns:1fr}}

footer .wrap{display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;padding-block:28px;font-size:.88rem;color:var(--ink-2)}

@media (prefers-reduced-motion:no-preference){#wall,#wall-top,#plinth{transition:fill .5s ease}}

.rgpd{grid-column:1/-1;font-size:.82rem;opacity:.75}
.rgpd a{color:inherit}
.hp{position:absolute;left:-9999px}
footer a{color:inherit}
/* Pages simples (mentions légales, confirmation) */
.page .wrap{max-width:760px;padding-block:56px 80px}
.page h1{font-size:clamp(2.2rem,6vw,3.4rem);font-weight:800;text-transform:uppercase;margin-bottom:28px}
.page h2{font-size:1.5rem;margin:36px 0 10px}
.page p,.page li{color:var(--ink-2);max-width:65ch}
.page p+p{margin-top:10px}
.back{display:inline-block;margin-top:36px}