:root{
    --ardoise-900:#14181D;
    --brand:#2F353B;            /* logo charcoal */
    --zinc-100:#F1F3F4;
    --zinc-150:#E9EDEF;
    --zinc-300:#C7CFD5;
    --paper:#FFFFFF;
    --ink:#1A2026;
    --ink-soft:#56646F;
    --line:#D6DCE0;
    --line-dark:rgba(255,255,255,.10);
    --shadow:0 1px 2px rgba(20,24,29,.05),0 12px 30px -16px rgba(20,24,29,.28);
    --shadow-lg:0 30px 60px -28px rgba(20,24,29,.45);
    --seam:repeating-linear-gradient(90deg, transparent 0 38px, var(--line-dark) 38px 39px);
    --max:1180px;
    /* THEME: Tuile (default, warm) */
    --accent:#DA532C;--accent-btn:#C8451F;--accent-600:#A8381A;--accent-200:#F0A98C;
    --hero-base:#20262D;--tint:rgba(218,83,44,.20);
  }
  :root[data-theme="ardoise"]{--accent:#3E83AD;--accent-btn:#2F6E96;--accent-600:#255778;--accent-200:#A8CCE1;--hero-base:#1B2530;--tint:rgba(62,131,173,.22)}
  :root[data-theme="cuivre"]{--accent:#B5703F;--accent-btn:#9E5E30;--accent-600:#7E4A24;--accent-200:#E6B98F;--hero-base:#1D232A;--tint:rgba(181,112,63,.22)}
  :root[data-theme="patine"]{--accent:#2E8E76;--accent-btn:#247762;--accent-600:#1B5C4B;--accent-200:#9AD4C4;--hero-base:#19241F;--tint:rgba(46,142,118,.22)}
  :root[data-theme="graphite"]{--accent:#566069;--accent-btn:#454E56;--accent-600:#363D44;--accent-200:#AEB7BE;--hero-base:#1C2127;--tint:rgba(120,134,146,.18)}

  *{box-sizing:border-box;margin:0;padding:0}
  html{scroll-behavior:smooth}
  @media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
  body{font-family:"IBM Plex Sans",system-ui,sans-serif;color:var(--ink);background:var(--zinc-100);line-height:1.6;-webkit-font-smoothing:antialiased;overflow-x:hidden}
  img{max-width:100%;display:block}
  a{color:inherit;text-decoration:none}
  .wrap{max-width:var(--max);margin:0 auto;padding:0 24px}

  .eyebrow{font-family:"IBM Plex Mono",monospace;font-weight:600;font-size:.72rem;letter-spacing:.18em;text-transform:uppercase;color:var(--accent);display:inline-flex;align-items:center;gap:.6em}
  .eyebrow::before{content:"";width:14px;height:9px;flex:none;background:linear-gradient(90deg,var(--accent) 0 2px,transparent 2px 6px,var(--accent) 6px 8px,transparent 8px 12px,var(--accent) 12px 14px)}
  .eyebrow.on-dark{color:var(--accent-200)}
  .eyebrow.on-dark::before{background:linear-gradient(90deg,var(--accent-200) 0 2px,transparent 2px 6px,var(--accent-200) 6px 8px,transparent 8px 12px,var(--accent-200) 12px 14px)}

  h1,h2,h3{font-family:"Montserrat",sans-serif;line-height:1.08;letter-spacing:-.01em;font-weight:800;color:var(--ink)}
  .lead{font-size:1.12rem;color:var(--ink-soft);max-width:60ch}

  .btn{display:inline-flex;align-items:center;gap:.55em;font-family:"Montserrat",sans-serif;font-weight:700;font-size:.96rem;padding:.92em 1.5em;border-radius:3px;border:1.5px solid transparent;cursor:pointer;transition:transform .15s ease,background .25s ease,border-color .25s ease,color .2s ease;line-height:1}
  .btn-primary{background:var(--accent-btn);color:#fff}
  .btn-primary:hover{background:var(--accent-600);transform:translateY(-2px)}
  .btn-ghost{background:transparent;color:var(--ink);border-color:var(--line)}
  .btn-ghost:hover{border-color:var(--ink);transform:translateY(-2px)}
  .btn-ghost.on-dark{color:#fff;border-color:rgba(255,255,255,.28)}
  .btn-ghost.on-dark:hover{border-color:#fff;background:rgba(255,255,255,.06)}
  .btn svg{width:1.05em;height:1.05em}

  /* LOGO (faithful to brand: monoline double-chevron + TEKTOIT wordmark, monochrome) */
  .logo{display:inline-flex;align-items:center;gap:11px;color:var(--brand)}
  .logo-mark{height:30px;width:auto;display:block}
  .logo-name{font-family:"Montserrat",sans-serif;font-weight:600;font-size:1.18rem;letter-spacing:.16em;text-transform:uppercase;line-height:1}
  .logo.on-dark{color:#fff}

  header{position:sticky;top:0;z-index:60;background:rgba(241,243,244,.86);backdrop-filter:blur(10px);border-bottom:1px solid transparent;transition:border-color .25s,box-shadow .25s}
  header.scrolled{border-color:var(--line);box-shadow:0 6px 24px -18px rgba(20,24,29,.5)}
  .nav{display:flex;align-items:center;justify-content:space-between;height:74px;gap:24px}
  .nav-links{display:flex;align-items:center;gap:30px;font-weight:500;font-size:.96rem}
  .nav-links a{color:var(--ink-soft);transition:color .15s}
  .nav-links a:hover{color:var(--ink)}
  .nav-cta{display:flex;align-items:center;gap:18px}
  .nav-tel{font-family:"IBM Plex Mono";font-weight:600;font-size:.95rem;color:var(--ink);white-space:nowrap}
  .nav-tel:hover{color:var(--accent)}
  .burger{display:none;width:44px;height:44px;border:1px solid var(--line);background:var(--paper);border-radius:2px;cursor:pointer;flex-direction:column;gap:5px;align-items:center;justify-content:center}
  .burger span{width:20px;height:2px;background:var(--ink);transition:.2s}
  .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{display:none;border-top:1px solid var(--line);background:var(--zinc-100)}
  .mobile-menu.open{display:block}
  .mobile-menu a{display:block;padding:15px 24px;border-bottom:1px solid var(--line);font-weight:500;color:var(--ink)}
  .mobile-menu .btn{margin:18px 24px;display:flex;justify-content:center}

  .shot{position:relative;overflow:hidden;border-radius:3px;background:repeating-linear-gradient(90deg,transparent 0 26px,rgba(255,255,255,.045) 26px 27px),linear-gradient(158deg,var(--ph-a,#323B45),var(--ph-b,#1E242B))}
  .shot::after{content:"";position:absolute;left:50%;top:50%;width:78px;height:62px;transform:translate(-50%,-54%);opacity:.16;background:no-repeat center/contain url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 132 104' fill='none' stroke='%23fff' stroke-width='9' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M20 72 58 32l52 48'/%3E%3Cpath d='M48 68 67 48l31 29'/%3E%3C/svg%3E")}
  .shot>img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:1}
  .shot>.cap{position:absolute;left:0;right:0;bottom:0;z-index:2;padding:26px 14px 11px;font-family:"IBM Plex Mono";font-size:.72rem;letter-spacing:.05em;color:#fff;background:linear-gradient(to top,rgba(20,24,29,.85),transparent)}

  .hero{position:relative;color:#fff;overflow:hidden;background:var(--hero-base)}
  .hero-bg{position:absolute;inset:0;background-size:cover;background-position:center right;z-index:0}
  .hero-bg::after{content:"";position:absolute;inset:0;background:linear-gradient(95deg,rgba(15,18,22,.95) 0%,rgba(15,18,22,.8) 36%,rgba(15,18,22,.4) 70%,rgba(15,18,22,.12) 100%)}
  .hero-inner{position:relative;z-index:1;min-height:600px;display:flex;align-items:center;padding:96px 0}
  .hero-content{max-width:600px}
  .hero h1{color:#fff;font-size:clamp(2.4rem,5vw,3.9rem);margin:22px 0 22px}
  .hero h1 em{font-style:normal;color:var(--accent-200);transition:color .3s}
  .hero .lead{color:#D2D9DE;font-size:1.16rem}
  .hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:34px}
  .hero-badge{position:absolute;right:24px;bottom:30px;background:rgba(20,24,29,.66);backdrop-filter:blur(6px);border:1px solid rgba(255,255,255,.14);color:#fff;padding:16px 20px;border-radius:4px;max-width:230px;z-index:2}
  .hero-badge .n{font-family:"Montserrat";font-weight:800;font-size:2rem;color:var(--accent-200);line-height:1}
  .hero-badge .t{font-size:.85rem;color:#C3CCD3;margin-top:4px}

  .trust{background:var(--ardoise-900);border-top:1px solid var(--line-dark);position:relative;z-index:2}
  .trust ul{list-style:none;display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line-dark)}
  .trust li{background:var(--ardoise-900);padding:22px 24px;display:flex;align-items:center;gap:13px;color:#E7ECEF}
  .trust .ic{width:26px;height:26px;color:var(--accent-200);flex:none;transition:color .3s}
  .trust .lab{font-family:"Montserrat";font-weight:700;font-size:.96rem;line-height:1.15}
  .trust .sub{display:block;font-family:"IBM Plex Sans";font-weight:400;font-size:.8rem;color:#90A0AB}

  .section{padding:96px 0}
  .section.alt{background:var(--zinc-150)}
  .section-head{max-width:62ch;margin-bottom:52px}
  .section-head h2{font-size:clamp(1.8rem,3.4vw,2.6rem);margin:16px 0 16px}
  .section-head p{color:var(--ink-soft);font-size:1.08rem}

  .problems{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
  .pcard{background:var(--paper);border:1px solid var(--line);border-radius:3px;padding:26px 24px 24px;transition:transform .18s,box-shadow .18s,border-color .18s;display:flex;flex-direction:column}
  .pcard:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:var(--zinc-300)}
  .pcard .ic{width:30px;height:30px;color:var(--accent);margin-bottom:16px;transition:color .3s}
  .pcard h3{font-size:1.12rem;margin-bottom:9px}
  .pcard p{font-size:.94rem;color:var(--ink-soft);flex:1}
  .pcard .go{margin-top:16px;font-family:"IBM Plex Mono";font-weight:600;font-size:.78rem;letter-spacing:.08em;text-transform:uppercase;color:var(--accent);display:inline-flex;align-items:center;gap:.5em;transition:gap .15s,color .3s}
  .pcard:hover .go{gap:.85em}

  .services{display:grid;grid-template-columns:repeat(2,1fr);gap:1px;background:var(--line);border:1px solid var(--line);border-radius:3px;overflow:hidden}
  .svc{background:var(--paper);padding:38px 36px;transition:background .2s}
  .svc:hover{background:#FBFAF8}
  .svc-no{font-family:"IBM Plex Mono";font-weight:600;font-size:.78rem;letter-spacing:.1em;color:var(--accent);transition:color .3s}
  .svc h3{font-size:1.4rem;margin:14px 0 12px}
  .svc p{color:var(--ink-soft);font-size:.98rem;margin-bottom:18px}
  .svc ul{list-style:none;display:flex;flex-wrap:wrap;gap:8px}
  .svc li{font-family:"IBM Plex Mono";font-size:.74rem;letter-spacing:.03em;text-transform:uppercase;color:var(--ink-soft);border:1px solid var(--line);border-radius:2px;padding:5px 9px}
  .svc .rge{display:inline-block;margin-top:14px;font-size:.84rem;color:var(--accent);font-weight:500}

  .steps{display:grid;grid-template-columns:repeat(4,1fr);gap:0}
  .step{padding:0 26px;position:relative}
  .step:not(:last-child)::after{content:"";position:absolute;top:14px;right:-1px;width:1px;height:calc(100% - 14px);background:var(--line)}
  .step .num{font-family:"Montserrat";font-weight:800;font-size:1.02rem;color:#fff;background:var(--accent);width:30px;height:30px;border-radius:50%;display:flex;align-items:center;justify-content:center;margin-bottom:18px;transition:background .3s}
  .step h3{font-size:1.12rem;margin-bottom:8px}
  .step p{font-size:.93rem;color:var(--ink-soft)}

  .about{display:grid;grid-template-columns:.95fr 1.05fr;gap:56px;align-items:center}
  .about-media{position:relative}
  .about-media .shot{height:520px}
  .about-media .seamline{position:absolute;left:-14px;top:30px;bottom:30px;width:5px;background:var(--accent);z-index:3;transition:background .3s}
  .about h2{font-size:clamp(1.8rem,3.2vw,2.5rem);margin:16px 0 22px}
  .about p{color:var(--ink-soft);margin-bottom:16px}
  .about .sign{font-family:"Montserrat";font-weight:700;color:var(--ink);margin-top:10px}
  .about .sign span{display:block;font-family:"IBM Plex Mono";font-weight:500;font-size:.78rem;letter-spacing:.06em;color:var(--ink-soft);text-transform:uppercase;margin-top:3px}

  .materials{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-top:46px}
  .mat{border:1px solid var(--line);border-radius:3px;padding:22px;background:var(--paper)}
  .mat .sw{width:100%;height:8px;border-radius:2px;margin-bottom:16px}
  .mat h3{font-size:1.08rem;margin-bottom:6px}
  .mat p{font-size:.88rem;color:var(--ink-soft)}

  .gallery{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}
  .gallery .shot{aspect-ratio:3/4}
  .gallery .shot img{transition:transform .5s ease}
  .gallery .shot:hover img{transform:scale(1.06)}
  .gallery .wide{grid-column:span 2;aspect-ratio:3/2}

  .zone{display:grid;grid-template-columns:1fr 1fr;gap:54px;align-items:center}
  .towns{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px}
  .towns span{font-family:"IBM Plex Mono";font-size:.82rem;background:var(--paper);border:1px solid var(--line);border-radius:2px;padding:8px 13px;color:var(--ink)}
  .zone-map{border-radius:3px;overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow)}
  .zone-map iframe{display:block;width:100%;height:360px;border:0;filter:grayscale(.25) contrast(1.03)}

  .band{background:var(--hero-base);color:#fff;position:relative;overflow:hidden;transition:background .35s}
  .band::before{content:"";position:absolute;inset:0;background:var(--seam);opacity:.8}
  .band .wrap{position:relative;display:grid;grid-template-columns:repeat(3,1fr);gap:40px;padding:64px 24px;text-align:center}
  .band .n{font-family:"Montserrat";font-weight:800;font-size:3rem;color:var(--accent-200);line-height:1;transition:color .3s}
  .band .t{margin-top:10px;color:#B9C4CC;font-size:.96rem}

  .contact{display:grid;grid-template-columns:1fr 1fr;gap:54px;align-items:start}
  .contact-info h2{font-size:clamp(1.8rem,3.2vw,2.5rem);margin:16px 0 18px}
  .contact-info p{color:var(--ink-soft);margin-bottom:28px}
  .coords{list-style:none;display:flex;flex-direction:column;gap:4px}
  .coords li{display:flex;gap:15px;align-items:flex-start;padding:16px 0;border-top:1px solid var(--line)}
  .coords li:last-child{border-bottom:1px solid var(--line)}
  .coords .ic{width:22px;height:22px;color:var(--accent);flex:none;margin-top:3px;transition:color .3s}
  .coords .k{font-family:"IBM Plex Mono";font-size:.72rem;letter-spacing:.08em;text-transform:uppercase;color:var(--ink-soft)}
  .coords .v{font-weight:600;font-size:1.02rem}
  .coords a.v:hover{color:var(--accent)}

  form{background:var(--paper);border:1px solid var(--line);border-radius:4px;padding:34px;box-shadow:var(--shadow)}
  form h3{font-size:1.3rem;margin-bottom:6px}
  form .fhint{font-size:.92rem;color:var(--ink-soft);margin-bottom:22px}
  .field{margin-bottom:16px}
  .field label{display:block;font-family:"IBM Plex Mono";font-size:.72rem;letter-spacing:.06em;text-transform:uppercase;color:var(--ink-soft);margin-bottom:7px}
  .field input,.field textarea{width:100%;font-family:inherit;font-size:1rem;color:var(--ink);background:var(--zinc-100);border:1px solid var(--line);border-radius:2px;padding:13px 14px;transition:border-color .15s,background .15s}
  .field input:focus,.field textarea:focus{outline:none;border-color:var(--accent);background:#fff}
  .field textarea{resize:vertical;min-height:118px}
  form .btn{width:100%;justify-content:center;margin-top:6px}
  .form-ok{display:none;background:#1f3a2a;color:#cfe9d8;border:1px solid #2e5a40;border-radius:3px;padding:14px 16px;font-size:.95rem;margin-bottom:18px}
  .form-ok.show{display:block}

  footer{background:var(--ardoise-900);color:#9FAEB8;position:relative}
  footer::before{content:"";position:absolute;inset:0;background:var(--seam);opacity:.5;pointer-events:none}
  .foot{position:relative;display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:40px;padding:64px 0 30px}
  .foot p{font-size:.92rem;max-width:34ch;margin-top:16px}
  .foot h4{font-family:"IBM Plex Mono";font-weight:600;font-size:.74rem;letter-spacing:.1em;text-transform:uppercase;color:#6E808C;margin-bottom:16px}
  .foot ul{list-style:none;display:flex;flex-direction:column;gap:11px}
  .foot a:hover{color:#fff}
  .foot-bottom{position:relative;border-top:1px solid var(--line-dark);padding:20px 0;display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px;font-size:.82rem;color:#6E808C}

  .float-call{display:none;position:fixed;left:16px;right:16px;bottom:16px;z-index:70;gap:10px}
  .float-call .btn{flex:1;justify-content:center;box-shadow:var(--shadow-lg)}

  .themer{position:fixed;left:18px;bottom:18px;z-index:80;font-family:"IBM Plex Mono",monospace}
  .themer-panel{background:var(--ardoise-900);color:#E7ECEF;border:1px solid var(--line-dark);border-radius:6px;box-shadow:var(--shadow-lg);padding:14px;width:240px;display:none}
  .themer.open .themer-panel{display:block}
  .themer-panel h5{font-size:.68rem;letter-spacing:.14em;text-transform:uppercase;color:#8A9AA5;margin-bottom:11px;font-weight:600}
  .swatches{display:flex;flex-direction:column;gap:7px}
  .sw-btn{display:flex;align-items:center;gap:10px;width:100%;background:transparent;border:1px solid transparent;border-radius:4px;padding:7px 8px;cursor:pointer;color:#D6DEE3;font-family:inherit;font-size:.82rem;text-align:left;transition:background .15s,border-color .15s}
  .sw-btn:hover{background:rgba(255,255,255,.05)}
  .sw-btn.active{border-color:rgba(255,255,255,.22);background:rgba(255,255,255,.07)}
  .sw-dot{width:26px;height:18px;border-radius:3px;flex:none;border:1px solid rgba(255,255,255,.18)}
  .sw-btn .meta{display:flex;flex-direction:column;line-height:1.25}
  .sw-btn .meta small{color:#7E8E99;font-size:.66rem}
  .themer-toggle{display:inline-flex;align-items:center;gap:8px;background:var(--ardoise-900);color:#fff;border:1px solid var(--line-dark);border-radius:30px;padding:10px 15px;cursor:pointer;box-shadow:var(--shadow-lg);font-family:inherit;font-size:.78rem;letter-spacing:.04em}
  .themer-toggle .d{width:14px;height:14px;border-radius:50%;background:var(--accent);transition:background .3s}
  .themer.open .themer-toggle{margin-top:10px}

  .reveal{opacity:0;transform:translateY(22px);transition:opacity .6s ease,transform .6s ease}
  .reveal.in{opacity:1;transform:none}
  @media (prefers-reduced-motion:reduce){.reveal{opacity:1;transform:none;transition:none}}

  @media (max-width:980px){
    .nav-links,.nav-tel{display:none}
    .burger{display:flex}
    .hero-inner{padding:64px 0;min-height:520px}
    .about,.zone,.contact{grid-template-columns:1fr;gap:36px}
    .about-media .shot{height:360px}
    .problems,.services,.steps,.materials,.gallery{grid-template-columns:repeat(2,1fr)}
    .step:not(:last-child)::after{display:none}.step{padding:0;margin-bottom:26px}
    .trust ul{grid-template-columns:repeat(2,1fr)}
    .band .wrap{grid-template-columns:1fr;gap:30px}
    .themer{display:none}
  }
  @media (max-width:620px){
    .wrap{padding:0 18px}.section{padding:64px 0}
    .problems,.gallery{grid-template-columns:1fr}.gallery .wide{grid-column:span 1;aspect-ratio:3/4}
    .services{grid-template-columns:1fr}.materials{grid-template-columns:repeat(2,1fr)}
    .hero-badge{position:static;margin-top:16px;max-width:none}
    .float-call{display:flex}body{padding-bottom:78px}
    .foot{grid-template-columns:1fr}
    .logo-mark{height:26px}.logo-name{font-size:1.02rem;letter-spacing:.13em}
  }

  .avis-top{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:24px;background:var(--paper);border:1px solid var(--line);border-radius:6px;padding:26px 30px;box-shadow:var(--shadow)}
  .avis-score{display:flex;align-items:center;gap:20px}
  .avis-num{font-family:"Montserrat";font-weight:800;font-size:3rem;line-height:1;color:var(--ink)}
  .avis-stars{color:#F5A623;font-size:1.25rem;letter-spacing:.12em;line-height:1}
  .avis-count{font-size:.92rem;color:var(--ink-soft);margin-top:6px}
  .avis-count span{font-weight:600;color:var(--ink)}
  .avis-glabel{font-family:"IBM Plex Mono";font-size:.72rem;letter-spacing:.08em;text-transform:uppercase;color:var(--ink-soft);margin-top:2px}
  .avis-cta{display:flex;gap:12px;flex-wrap:wrap}
  .avis-grid{display:none;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:18px}
  .avis-card{background:var(--paper);border:1px solid var(--line);border-radius:6px;padding:22px;display:flex;flex-direction:column}
  .avis-card .rstars{color:#F5A623;font-size:.95rem;letter-spacing:.06em}
  .avis-card .rtext{font-size:.95rem;color:var(--ink);margin:10px 0 14px;line-height:1.5;flex:1}
  .avis-card .rwho{display:flex;align-items:center;gap:10px;font-size:.85rem;color:var(--ink-soft)}
  .avis-card .ravatar{width:32px;height:32px;border-radius:50%;background:var(--accent);color:#fff;display:flex;align-items:center;justify-content:center;font-family:"Montserrat";font-weight:700;font-size:.92rem;flex:none}
  @media (max-width:900px){.avis-grid{grid-template-columns:1fr}.avis-top{padding:22px}}

  /* --- CMS additions (no visual change to existing elements) --- */
  .form-err{background:#3a1f1f;color:#f1d0cc;border-color:#5a2e2e}
  .hp{position:absolute!important;left:-10000px!important;width:1px;height:1px;overflow:hidden}