:root{
    --plaster:#EDEFEC;      /* mur enduit, fond */
    --white:#FFFFFF;
    --ink:#002A43;          /* bleu nuit du logo */
    --ink-soft:#4A5568;
    --tape:#C09F79;         /* or du logo */
    --tape-dark:#8A6A45;
    --line:#D3D7D2;
    /* nuancier du bandeau d'accueil */
    --sw1:#E9E4D8; --sw2:#C9D3C0; --sw3:#8FA79A; --sw4:#D7B48A; --sw5:#B5674B; --sw6:#0F4060;
    --radius:6px;
  }
  *{box-sizing:border-box}
  html{scroll-behavior:smooth}
  @media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important;animation:none!important}}
  body{margin:0;background:var(--plaster);color:var(--ink);font:400 17px/1.6 "Public Sans",system-ui,sans-serif;-webkit-font-smoothing:antialiased}
  img{max-width:100%;display:block}
  a{color:inherit}
  :focus-visible{outline:3px solid var(--tape);outline-offset:3px;border-radius:3px}
  .wrap{width:min(1120px,100% - 32px);margin-inline:auto}
  [id]{scroll-margin-top:100px}
  h1,h2,h3{font-family:"Archivo",system-ui,sans-serif;line-height:1.05;margin:0;letter-spacing:-.01em}
  h1,h2{font-family:"Marcellus",Georgia,serif;font-weight:400!important;font-variation-settings:normal!important;letter-spacing:0}
  h2{font-size:clamp(2rem,4.5vw,3rem);font-variation-settings:"wdth" 112;font-weight:780;margin-bottom:.6em}
  h3{font-size:1.25rem;font-weight:700;font-variation-settings:"wdth" 100}
  p{margin:0 0 1em;max-width:62ch}
  section{padding:clamp(64px,9vw,112px) 0}

  /* ---------- En-tête ---------- */
  .top{position:sticky;top:0;z-index:20;background:#fff;box-shadow:0 1px 0 var(--line),0 4px 14px rgba(0,42,67,.06)}
  .top-in{display:flex;align-items:stretch;height:84px;padding-left:max(16px,(100% - 1120px)/2)}
  .brand{align-self:center;display:flex;align-items:center;gap:12px;background:var(--ink);color:var(--tape);padding:8px 18px 8px 10px;border-radius:4px;text-decoration:none;font-family:"Marcellus",Georgia,serif;font-size:1.3rem;white-space:nowrap}
  .brand-mark{width:40px;height:40px;color:var(--tape)}
  .nav{display:flex;align-items:stretch;margin-left:auto;gap:4px}
  .nav > a,.dd > button{display:flex;align-items:center;gap:6px;padding:0 16px;text-decoration:none;font:500 1.02rem/1 "Public Sans",system-ui,sans-serif;color:var(--ink);background:none;border:0;cursor:pointer}
  .nav > a:hover,.dd > button:hover,.dd:focus-within > button{color:var(--tape-dark)}
  .dd{position:relative;display:flex}
  .dd > button svg{width:16px;height:16px;transition:transform .15s}
  .dd:hover > button svg,.dd:focus-within > button svg{transform:rotate(180deg)}
  .dd-menu{position:absolute;top:100%;left:0;min-width:250px;background:#fff;border-top:3px solid var(--tape);box-shadow:0 12px 28px rgba(0,42,67,.14);padding:8px 0;list-style:none;margin:0;visibility:hidden;opacity:0;transform:translateY(-4px);transition:opacity .15s,transform .15s,visibility .15s}
  .dd:hover .dd-menu,.dd:focus-within .dd-menu{visibility:visible;opacity:1;transform:none}
  .dd-menu a{display:block;padding:11px 20px;text-decoration:none;font-size:.95rem}
  .dd-menu a:hover,.dd-menu a:focus-visible{background:var(--plaster);color:var(--tape-dark)}
  .nav .top-tel{font-weight:600;font-size:1.1rem;padding:0 22px;letter-spacing:.01em}
  .top-cta{display:flex;align-items:center;justify-content:center;text-align:center;width:200px;padding:0 20px;background:var(--tape);color:var(--ink);font:700 1.08rem/1.2 "Public Sans",system-ui,sans-serif;text-decoration:none;transition:background .15s}
  .top-cta:hover{background:#D3B791}
  @media (min-width:1121px){.top-in{padding-left:calc((100% - 1120px)/2)}}
  @media (max-width:1080px){.nav .top-tel{display:none}}
  @media (max-width:860px){.nav{display:none}.top-cta{margin-left:auto;width:auto;padding:0 18px;font-size:.95rem}.top-in{height:68px}.brand{font-size:1.1rem;padding:6px 12px 6px 6px}.brand-mark{width:34px;height:34px}}
  .cta-short{display:none}
  @media (max-width:520px){.cta-long{display:none}.cta-short{display:inline}}
  .btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;font:600 1rem/1 "Public Sans",system-ui,sans-serif;padding:15px 22px;border-radius:var(--radius);text-decoration:none;border:2px solid var(--ink);cursor:pointer;transition:background .15s,color .15s}
  .btn-primary{background:var(--ink);color:#fff}
  .btn-primary:hover{background:#0F4060;border-color:#0F4060}
  .btn-ghost{background:transparent;color:var(--ink)}
  .btn-ghost:hover{background:var(--ink);color:#fff}
  .btn-sm{padding:11px 16px;font-size:.92rem}
  .btn svg{width:18px;height:18px}

  /* ---------- Accueil : le nuancier ---------- */
  .hero{position:relative;color:#fff;padding:clamp(80px,12vw,150px) 0 clamp(64px,9vw,110px);
    background:linear-gradient(90deg,rgba(0,42,67,.92) 0%,rgba(0,42,67,.78) 45%,rgba(0,42,67,.25) 100%),url("photos/accueil-escalier.jpg") center 40%/cover no-repeat var(--ink)}
  .hero-grid{display:block}
  .hero-grid > div{max-width:640px}
  .hero h1{font-size:clamp(2.4rem,5.6vw,4.4rem);line-height:1.04;margin-bottom:24px;color:#fff}
  .hero .lead{font-size:1.18rem;color:rgba(255,255,255,.86);margin-bottom:32px}
  .hero-ctas{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:28px}
  .facts{display:flex;flex-wrap:wrap;gap:8px 22px;padding:0;margin:0;list-style:none;font-size:.95rem;color:rgba(255,255,255,.85)}
  .facts li{display:flex;align-items:center;gap:8px}
  .facts li::before{content:"";width:10px;height:10px;border-radius:2px;background:var(--tape)}
  .btn-gold{background:var(--tape);border-color:var(--tape);color:var(--ink)}
  .btn-gold:hover{background:#D3B791;border-color:#D3B791}
  .btn-light{background:transparent;border-color:rgba(255,255,255,.85);color:#fff}
  .btn-light:hover{background:#fff;color:var(--ink)}
  @media (max-width:820px){.hero{background:linear-gradient(180deg,rgba(0,42,67,.82),rgba(0,42,67,.9)),url("photos/accueil-escalier.jpg") center/cover no-repeat var(--ink)}}

  /* ---------- Prestations ---------- */
  .services{background:var(--white)}
  .svc-head{display:grid;grid-template-columns:1fr 1fr;gap:32px;align-items:end;margin-bottom:48px}
  .svc-head p{color:var(--ink-soft)}
  .svc-list{display:grid;grid-template-columns:repeat(3,1fr);border-top:2px solid var(--ink)}
  .svc{padding:28px 28px 32px 0;border-bottom:1px solid var(--line)}
  .svc:not(:nth-child(3n+1)){padding-left:28px;border-left:1px solid var(--line)}
  .svc h3{margin-bottom:10px}
  .svc p{color:var(--ink-soft);font-size:.98rem;margin:0}
  .svc-swatch{width:36px;height:8px;border-radius:2px;margin-bottom:18px}
  @media (max-width:900px){.svc-head{grid-template-columns:1fr}.svc-list{grid-template-columns:1fr 1fr}.svc,.svc:not(:nth-child(3n+1)){padding:24px 20px 26px 0;border-left:0}.svc:nth-child(2n){padding-left:20px;border-left:1px solid var(--line)}}
  @media (max-width:560px){.svc-list{grid-template-columns:1fr}.svc,.svc:nth-child(2n){padding:22px 0;border-left:0}}

  /* ---------- Réalisations : avant / après ---------- */
  .work-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:28px}
  .ba{margin:0}
  .ba-frame{position:relative;aspect-ratio:4/3;border-radius:var(--radius);overflow:hidden;background:#ccc;user-select:none;touch-action:pan-y}
  .ba-layer{position:absolute;inset:0;background-size:cover;background-position:center}
  .ba-after{clip-path:inset(0 0 0 var(--pos,50%))}
  .ba-tag{position:absolute;top:14px;font:600 .8rem/1 "Public Sans",system-ui,sans-serif;padding:7px 10px;background:rgba(255,255,255,.9);border-radius:3px}
  .ba-before .ba-tag{left:14px}
  .ba-after .ba-tag{right:14px}
  .ba-handle{position:absolute;top:0;bottom:0;left:var(--pos,50%);width:3px;margin-left:-1.5px;background:#fff;pointer-events:none}
  .ba-handle::after{z-index:1;content:"";position:absolute;top:50%;left:50%;width:40px;height:40px;margin:-20px 0 0 -20px;border-radius:50%;background:#fff;box-shadow:0 2px 8px rgba(0,0,0,.25);
    background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23002A43' stroke-width='2.2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M9 6l-6 6 6 6M15 6l6 6-6 6'/%3E%3C/svg%3E");background-size:22px;background-repeat:no-repeat;background-position:center}
  .ba-range{position:absolute;inset:0;width:100%;height:100%;opacity:0;cursor:ew-resize;margin:0}
  .ba-range:focus-visible + .ba-handle::after{z-index:1;outline:3px solid var(--tape);outline-offset:3px}
  .ba figcaption{display:flex;justify-content:space-between;gap:12px;padding-top:14px;font-size:.95rem}
  .ba figcaption strong{font-weight:600}
  .ba figcaption span{color:var(--ink-soft)}
  /* Visuels provisoires : à remplacer par vos photos (voir commentaire dans la section) */
  .ph-before{background:repeating-linear-gradient(115deg,#b9b5a8 0 2px,transparent 2px 40px),linear-gradient(160deg,#cfcabd,#a9a394)}
  .ph-after-1{background:linear-gradient(160deg,var(--sw2),var(--sw3))}
  .ph-after-2{background:linear-gradient(160deg,var(--sw1),#dcd6c6)}
  .ph-after-3{background:linear-gradient(160deg,var(--sw6),#2c4252)}
  .ph-after-4{background:linear-gradient(160deg,var(--sw4),var(--sw5))}
  @media (max-width:760px){.work-grid{grid-template-columns:1fr}}

  /* ---------- Déroulement ---------- */
  .process{background:var(--ink);color:#fff}
  .process h2{color:#fff}
  .steps{list-style:none;padding:0;margin:40px 0 0;display:grid;grid-template-columns:repeat(4,1fr);gap:0;counter-reset:s}
  .steps li{counter-increment:s;padding:0 24px 0 0;position:relative}
  .steps li::before{content:counter(s);display:block;font:400 3.4rem/1 "Marcellus",Georgia,serif;color:var(--tape);margin-bottom:18px}
  .steps li:not(:last-child)::after{content:"";position:absolute;top:28px;left:56px;right:16px;height:2px;background:rgba(255,255,255,.18)}
  .steps h3{color:#fff;margin-bottom:8px}
  .steps p{color:rgba(255,255,255,.72);font-size:.97rem;margin:0}
  @media (max-width:900px){.steps{grid-template-columns:1fr 1fr;row-gap:40px}.steps li::after{display:none}}
  @media (max-width:520px){.steps{grid-template-columns:1fr}}

  /* ---------- Avis + zone ---------- */
  .trust-grid{display:grid;grid-template-columns:1.3fr .7fr;gap:clamp(32px,5vw,64px)}
  .reviews{display:grid;gap:18px}
  .review{background:var(--white);border-left:5px solid var(--tape);padding:24px 26px;border-radius:0 var(--radius) var(--radius) 0}
  .review h3{margin-bottom:8px}
  .review p{margin:0;color:var(--ink-soft);font-size:.98rem}
  .review cite{font-style:normal;font-size:.9rem;color:var(--ink-soft)}
  .stars{color:#D9A21B;letter-spacing:2px;margin-bottom:8px}
  .zone{background:var(--white);border-radius:var(--radius);padding:28px}
  .zone ul{list-style:none;padding:0;margin:16px 0 20px;display:flex;flex-wrap:wrap;gap:8px}
  .zone li{background:var(--plaster);padding:7px 12px;border-radius:3px;font-size:.92rem}
  .guarantees{margin-top:18px;padding:0;list-style:none;display:grid;gap:10px;font-size:.95rem}
  .guarantees li{display:flex;gap:10px}
  .guarantees svg{flex:none;width:20px;height:20px;color:var(--tape-dark);margin-top:3px}
  @media (max-width:860px){.trust-grid{grid-template-columns:1fr}}

  /* ---------- Devis ---------- */
  .quote{background:var(--white)}
  .quote-grid{display:grid;grid-template-columns:.8fr 1.2fr;gap:clamp(32px,5vw,72px)}
  .contact-lines{list-style:none;padding:0;margin:28px 0 0;display:grid;gap:14px}
  .contact-lines a{font-weight:600;text-decoration:none;font-size:1.15rem}
  .contact-lines a:hover{color:var(--tape-dark)}
  .contact-lines small{display:block;color:var(--ink-soft);font-size:.85rem}
  form{display:grid;grid-template-columns:1fr 1fr;gap:18px}
  .field{display:grid;gap:6px}
  .field.full{grid-column:1/-1}
  label{font-weight:600;font-size:.92rem}
  input,select,textarea{font:inherit;color:var(--ink);background:var(--plaster);border:1px solid var(--line);border-radius:var(--radius);padding:13px 14px;width:100%}
  input:focus,select:focus,textarea:focus{outline:none;border-color:var(--tape);box-shadow:0 0 0 3px rgba(192,159,121,.3);background:#fff}
  textarea{min-height:130px;resize:vertical}
  .form-note{grid-column:1/-1;font-size:.85rem;color:var(--ink-soft);margin:0}
  .hp{position:absolute;left:-9999px}
  @media (max-width:860px){.quote-grid{grid-template-columns:1fr}}
  @media (max-width:520px){form{grid-template-columns:1fr}}

  /* ---------- Pied de page ---------- */
  footer{padding:40px 0 100px;font-size:.9rem;color:var(--ink-soft)}
  footer .wrap{display:flex;flex-wrap:wrap;justify-content:space-between;gap:16px;border-top:1px solid var(--line);padding-top:28px}
  footer button{background:none;border:0;padding:0;font:inherit;color:inherit;text-decoration:underline;cursor:pointer}
  dialog{max-width:640px;width:calc(100% - 32px);border:0;border-radius:var(--radius);padding:32px;color:var(--ink)}
  dialog::backdrop{background:rgba(30,43,63,.55)}
  dialog h2{font-size:1.8rem}
  dialog h3{font-size:1rem;margin:20px 0 6px}
  dialog p{font-size:.95rem;margin:0}

  /* Bouton d'appel fixe sur mobile */
  .call-bar{display:none}
  @media (max-width:720px){
    .call-bar{display:flex;position:fixed;left:12px;right:12px;bottom:12px;z-index:30;gap:10px}
    .call-bar .btn{flex:1;box-shadow:0 6px 18px rgba(30,43,63,.25)}
    .call-bar .btn-ghost{background:#fff}
  }

/* ---------- Navigation : page active ---------- */
.nav > a[aria-current="page"]{color:var(--tape-dark);box-shadow:inset 0 -3px 0 var(--tape)}

/* ---------- En-tête des pages intérieures ---------- */
.page-head{background:var(--ink);color:#fff;padding:clamp(56px,8vw,96px) 0 clamp(44px,6vw,72px)}
.page-head h1{font-family:"Marcellus",Georgia,serif;font-weight:400;font-size:clamp(2.4rem,6vw,4.2rem);line-height:1.05;margin-bottom:18px;color:#fff}
.page-head p{color:rgba(255,255,255,.78);font-size:1.15rem;margin:0}
.crumbs{font-size:.88rem;color:var(--tape);margin-bottom:22px}
.crumbs a{color:var(--tape);text-decoration:none}
.crumbs a:hover{text-decoration:underline}

/* ---------- Galerie ---------- */
.filters{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:36px}
.filters:empty{display:none}
.filters button{font:500 .95rem/1 "Public Sans",system-ui,sans-serif;padding:11px 18px;border-radius:40px;border:1px solid var(--line);background:#fff;color:var(--ink);cursor:pointer}
.filters button[aria-pressed="true"]{background:var(--ink);border-color:var(--ink);color:#fff}
.shot-btn{display:block;width:100%;padding:0;border:0;background:#ccc;cursor:zoom-in;border-radius:var(--radius);overflow:hidden;aspect-ratio:4/3}
.shot-btn img{width:100%;height:100%;object-fit:cover;transition:transform .3s}
.shot-btn:hover img{transform:scale(1.03)}
.empty{color:var(--ink-soft)}
#lightbox{max-width:min(1200px,94vw);width:auto;padding:0;background:transparent}
#lightbox img{max-height:86vh;border-radius:var(--radius)}
#lightbox form{position:absolute;top:10px;right:10px;margin:0}
#lightbox .close{width:42px;height:42px;border-radius:50%;border:0;background:#fff;color:var(--ink);font-size:1.4rem;cursor:pointer}
.more{display:flex;justify-content:center;margin-top:44px}

/* ---------- À propos ---------- */
.about-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:clamp(32px,6vw,80px);align-items:start}
.portrait{aspect-ratio:4/5;border-radius:var(--radius);background:var(--ink);color:var(--tape);display:grid;place-items:center;text-align:center;padding:24px;position:relative;overflow:hidden}
.portrait svg{width:46%;opacity:.9}
.portrait small{position:absolute;bottom:18px;left:0;right:0;color:rgba(255,255,255,.6);font-size:.85rem}
.portrait img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.about-text p{font-size:1.08rem}
.signature{font-family:"Marcellus",Georgia,serif;font-size:1.4rem;color:var(--ink);margin-top:8px}
.values{display:grid;grid-template-columns:repeat(4,1fr);gap:0;border-top:2px solid var(--ink);margin-top:8px}
.values div{padding:26px 24px 28px 0}
.values div + div{padding-left:24px;border-left:1px solid var(--line)}
.values h3{margin-bottom:8px}
.values p{color:var(--ink-soft);font-size:.97rem;margin:0}
.facts-card{background:#fff;border-radius:var(--radius);padding:28px}
.facts-card dl{display:grid;grid-template-columns:auto 1fr;gap:12px 24px;margin:16px 0 0;font-size:.97rem}
.facts-card dt{color:var(--ink-soft)}
.facts-card dd{margin:0;font-weight:500}
.cta-band{background:var(--tape);padding:clamp(48px,7vw,80px) 0}
.cta-band .wrap{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:24px}
.cta-band h2{margin:0;color:var(--ink)}
.cta-band p{margin:8px 0 0;color:var(--ink)}
@media (max-width:900px){.about-grid{grid-template-columns:1fr}.portrait{max-width:420px}.values{grid-template-columns:1fr 1fr}.values div,.values div + div{padding:22px 18px 22px 0;border-left:0}.values div:nth-child(2n){padding-left:18px;border-left:1px solid var(--line)}}
@media (max-width:520px){.values{grid-template-columns:1fr}.values div:nth-child(2n){padding-left:0;border-left:0}.facts-card dl{grid-template-columns:1fr;gap:2px}.facts-card dd{margin-bottom:10px}}

/* Avant / après côte à côte */
.duo{display:grid;grid-template-columns:1fr 1fr;gap:4px;aspect-ratio:4/3;border-radius:var(--radius);overflow:hidden}
.duo .shot-btn{position:relative;border-radius:0;aspect-ratio:auto;height:100%}
.duo .ba-tag{left:12px}
.duo .duo-half:last-child .ba-tag{background:var(--tape);color:var(--ink)}
.duo-stack{grid-template-columns:1fr;grid-template-rows:1fr 1fr}
.duo-stack .ba-tag{top:10px}