:root{
    --green:#86C13A;
    --green-600:#72A92B;
    --neon:#A8F25A;
    --ink:#17181A;
    --ink-2:#1f2124;
    --paper:#ffffff;
    --text:#1c1d1f;
    --muted:#697077;
    --line:#e8eaed;
    --shadow:0 18px 50px -22px rgba(0,0,0,.35);
    --maxw:1180px;
  }

  *{box-sizing:border-box;margin:0;padding:0}
  html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
  @media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}

  body{
    font-family:'Inter',system-ui,sans-serif;
    color:var(--text);
    background:var(--paper);
    line-height:1.6;
    -webkit-font-smoothing:antialiased;
  }
  img{max-width:100%;display:block}
  a{color:inherit;text-decoration:none}
  button{font-family:inherit;cursor:pointer;border:none;background:none}

  h1,h2,h3,h4,.brand-word{font-family:'Montserrat',sans-serif;letter-spacing:-.01em}

  .wrap{max-width:var(--maxw);margin-inline:auto;padding-inline:24px}

  .eyebrow{
    font-family:'Montserrat';font-weight:800;font-size:.78rem;letter-spacing:.18em;
    text-transform:uppercase;color:var(--green-600);display:inline-flex;align-items:center;gap:10px;
  }
  .eyebrow::before{content:"";width:26px;height:2px;background:var(--green);display:inline-block}

  .btn{
    display:inline-flex;align-items:center;gap:10px;font-family:'Montserrat';font-weight:700;
    font-size:.92rem;letter-spacing:.02em;padding:14px 24px;border-radius:8px;transition:.2s ease;
    text-transform:uppercase;
  }
  .btn-green{background:var(--green);color:#10220a}
  .btn-green:hover{background:var(--green-600);transform:translateY(-2px)}
  .btn-green:focus-visible{outline:3px solid #10220a;outline-offset:3px}
  .btn-ghost{border:1.5px solid rgba(255,255,255,.35);color:#fff}
  .btn-ghost:hover{border-color:var(--green);color:var(--green)}

  /* ---------- LOGO ---------- */
  .logo{display:flex;align-items:center;gap:12px}
  .logo svg{width:42px;height:42px;flex:none}
  .logo .brand-word{font-weight:900;font-size:1.55rem;line-height:.95;letter-spacing:.02em}
  .logo .brand-word .lec{color:var(--green)}
  .logo .brand-sub{
    font-family:'Montserrat';font-weight:600;font-size:.52rem;letter-spacing:.42em;
    color:var(--muted);text-transform:uppercase;display:flex;align-items:center;gap:6px;margin-top:2px;
  }
  .logo .brand-sub::before,.logo .brand-sub::after{content:"";height:1.5px;width:14px;background:var(--green)}
  .logo .brand-sub span{color:var(--green-600)}

  /* ---------- HEADER ---------- */
  .site-header{
    position:sticky;top:0;z-index:60;background:rgba(255,255,255,.92);
    backdrop-filter:saturate(150%) blur(10px);border-bottom:1px solid var(--line);
  }
  .header-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;height:88px}
  .nav{display:flex;align-items:center;gap:34px}
  .nav a{
    font-family:'Montserrat';font-weight:700;font-size:.83rem;letter-spacing:.05em;
    text-transform:uppercase;color:#33373c;position:relative;padding:6px 0;transition:color .2s;
  }
  .nav a::after{content:"";position:absolute;left:0;bottom:-2px;height:2px;width:0;background:var(--green);transition:width .25s}
  .nav a:hover{color:var(--green-600)}
  .nav a:hover::after,.nav a.active::after{width:100%}
  .nav a.active{color:var(--green-600)}

  .header-cta{display:flex;align-items:center;gap:16px}
  .phone-pill{
    display:inline-flex;align-items:center;gap:10px;background:var(--green);color:#10220a;
    font-family:'Montserrat';font-weight:800;font-size:.95rem;letter-spacing:.03em;
    padding:11px 20px;border-radius:999px;transition:.2s;
  }
  .phone-pill:hover{background:var(--green-600);transform:translateY(-1px)}
  .phone-pill svg{width:17px;height:17px}

  .burger{display:none;flex-direction:column;gap:5px;padding:8px}
  .burger span{width:26px;height:2.5px;background:#222;border-radius:2px;transition:.25s}
  .burger.open span:nth-child(1){transform:translateY(7.5px) rotate(45deg)}
  .burger.open span:nth-child(2){opacity:0}
  .burger.open span:nth-child(3){transform:translateY(-7.5px) rotate(-45deg)}

  /* ---------- HERO ---------- */
  .hero{position:relative;background:var(--ink);overflow:hidden;color:#fff}
  .hero-scene{position:absolute;inset:0;z-index:0}
  /* wooden slat wall */
  .hero-scene .slats{
    position:absolute;inset:0;
    background:
      repeating-linear-gradient(90deg, rgba(255,255,255,.022) 0 2px, transparent 2px 26px),
      linear-gradient(160deg,#202225 0%, #15161a 55%, #0e0f12 100%);
  }
  /* warm pendant glows */
  .hero-scene .lamp{position:absolute;border-radius:50%;filter:blur(34px);opacity:.6}
  .hero-scene .lamp.a{width:230px;height:230px;top:8%;left:46%;
    background:radial-gradient(circle,rgba(255,196,120,.9),rgba(255,150,60,.25) 45%,transparent 70%)}
  .hero-scene .lamp.b{width:170px;height:170px;top:24%;left:60%;
    background:radial-gradient(circle,rgba(255,184,110,.8),transparent 65%)}
  .hero-scene .floor{position:absolute;left:42%;right:0;bottom:0;height:46%;
    background:linear-gradient(180deg,transparent,rgba(0,0,0,.5))}
  .hero-scene::after{content:"";position:absolute;inset:0;
    background:linear-gradient(90deg,#101113 0%,rgba(16,17,19,.92) 34%,rgba(16,17,19,.45) 58%,rgba(16,17,19,.25) 100%)}

  /* neon bolt on the right */
  .neon{position:absolute;right:7%;top:50%;transform:translateY(-50%);width:min(220px,26vw);z-index:1;
    filter:drop-shadow(0 0 6px var(--neon)) drop-shadow(0 0 24px rgba(168,242,90,.7)) drop-shadow(0 0 60px rgba(134,193,58,.55));
    animation:flicker 5.5s infinite}
  @keyframes flicker{0%,97%,100%{opacity:1}93%{opacity:.72}95%{opacity:.94}}
  @media (prefers-reduced-motion:reduce){.neon{animation:none}}

  .hero-inner{position:relative;z-index:2;padding:96px 0 0}
  .hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:40px;align-items:center;min-height:460px}
  .hero h1{font-weight:900;font-size:clamp(2.4rem,5.4vw,4.4rem);line-height:1.02;letter-spacing:-.02em}
  .hero h1 .accent{color:var(--green)}
  .hero p.lead{margin:26px 0 32px;max-width:30ch;color:#d4d7da;font-size:1.07rem}

  /* service strip */
  .strip{position:relative;z-index:2;border-top:1px solid rgba(255,255,255,.09);margin-top:64px}
  .strip-grid{display:grid;grid-template-columns:repeat(4,1fr)}
  .strip-item{display:flex;align-items:center;gap:16px;padding:26px 20px;border-left:1px solid rgba(255,255,255,.08)}
  .strip-item:first-child{border-left:none}
  .strip-item .ic{width:42px;height:42px;flex:none;color:var(--green)}
  .strip-item h4{font-weight:800;font-size:.95rem;letter-spacing:.04em;text-transform:uppercase;color:#fff}
  .strip-item span{font-size:.85rem;color:#9aa0a6}

  /* ---------- SECTIONS ---------- */
  .section{padding:96px 0}
  .section-head{max-width:640px;margin-bottom:48px}
  .section-head h2{font-weight:800;font-size:clamp(1.8rem,3.6vw,2.7rem);line-height:1.1;margin-top:14px}
  .section-head h2 em{font-style:normal;color:var(--green-600)}
  .section-head p{color:var(--muted);margin-top:14px;font-size:1.05rem}

  /* services */
  .services{background:#f7f8f9;border-block:1px solid var(--line)}
  .cards{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
  .card{
    background:#fff;border:1px solid var(--line);border-radius:14px;padding:30px 28px;
    transition:.25s ease;position:relative;overflow:hidden;
  }
  .card::before{content:"";position:absolute;left:0;top:0;height:100%;width:4px;background:var(--green);transform:scaleY(0);transform-origin:top;transition:transform .3s}
  .card:hover{transform:translateY(-6px);box-shadow:var(--shadow);border-color:transparent}
  .card:hover::before{transform:scaleY(1)}
  .card .ic{width:48px;height:48px;color:var(--green);margin-bottom:18px}
  .card h3{font-weight:800;font-size:1.18rem;margin-bottom:10px}
  .card p{color:var(--muted);font-size:.96rem}

  /* réalisations */
  .gallery{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
  .tile{
    position:relative;border-radius:14px;overflow:hidden;min-height:230px;display:flex;align-items:flex-end;
    color:#fff;background:var(--ink);isolation:isolate;
  }
  .tile .bg{position:absolute;inset:0;z-index:-1;
    background:
      repeating-linear-gradient(90deg,rgba(255,255,255,.03) 0 1px,transparent 1px 22px),
      linear-gradient(150deg,#23262a,#121316)}
  .tile .spark{position:absolute;right:18px;top:18px;width:30px;height:30px;color:var(--green);opacity:.85;z-index:1}
  .tile .meta{padding:24px;position:relative;z-index:1}
  .tile .meta small{font-family:'Montserrat';font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:var(--green);font-size:.7rem}
  .tile .meta h3{font-weight:700;font-size:1.15rem;margin-top:6px}
  .tile::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 40%,rgba(0,0,0,.55));z-index:0}
  .tile:hover .bg{filter:brightness(1.15)}
  .note{margin-top:22px;font-size:.85rem;color:var(--muted)}

  /* à propos */
  .about{display:grid;grid-template-columns:1.05fr .95fr;gap:60px;align-items:center}
  .about ul{list-style:none;margin-top:26px;display:grid;gap:14px}
  .about li{display:flex;gap:12px;align-items:flex-start;font-size:1rem}
  .about li svg{width:22px;height:22px;color:var(--green);flex:none;margin-top:3px}
  .stats{display:grid;grid-template-columns:1fr 1fr;gap:18px}
  .stat{background:var(--ink);color:#fff;border-radius:14px;padding:28px 26px;position:relative;overflow:hidden}
  .stat::after{content:"";position:absolute;right:-20px;bottom:-20px;width:90px;height:90px;border-radius:50%;
    background:radial-gradient(circle,rgba(134,193,58,.45),transparent 70%)}
  .stat .num{font-family:'Montserrat';font-weight:900;font-size:2.6rem;color:var(--green);line-height:1}
  .stat .lbl{margin-top:8px;color:#c6cacd;font-size:.92rem}

  /* contact */
  .contact{background:var(--ink);color:#fff}
  .contact .section-head h2 em{color:var(--green)}
  .contact .section-head p{color:#aeb3b8}
  .contact-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:48px;align-items:start}
  .info-card{display:flex;gap:16px;align-items:flex-start;padding:20px 0;border-bottom:1px solid rgba(255,255,255,.08)}
  .info-card:last-of-type{border-bottom:none}
  .info-card .ic{width:44px;height:44px;border-radius:10px;background:rgba(134,193,58,.14);color:var(--green);
    display:grid;place-items:center;flex:none}
  .info-card .ic svg{width:22px;height:22px}
  .info-card h4{font-weight:700;font-size:1.02rem}
  .info-card a,.info-card span{color:#aeb3b8;font-size:.96rem}
  .info-card a:hover{color:var(--green)}

  form{background:#fff;border-radius:16px;padding:32px;color:var(--text)}
  form .row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
  .field{margin-bottom:16px}
  .field label{display:block;font-family:'Montserrat';font-weight:600;font-size:.82rem;margin-bottom:7px;color:#3a3e43}
  .field input,.field select,.field textarea{
    width:100%;padding:13px 14px;border:1.5px solid var(--line);border-radius:9px;font-family:inherit;
    font-size:.95rem;color:var(--text);background:#fbfbfc;transition:.2s;
  }
  .field textarea{resize:vertical;min-height:120px}
  .field input:focus,.field select:focus,.field textarea:focus{
    outline:none;border-color:var(--green);background:#fff;box-shadow:0 0 0 4px rgba(134,193,58,.14)}
  .form-note{font-size:.84rem;color:var(--muted);margin-top:12px;text-align:center}
  .form-ok{display:none;background:rgba(134,193,58,.14);border:1px solid var(--green);color:#3a6212;
    border-radius:9px;padding:14px;font-weight:600;font-size:.92rem;text-align:center;margin-bottom:8px}
  .form-ok.show{display:block}
  .form-err{display:none;background:rgba(214,69,60,.1);border:1px solid #d6453c;color:#a32018;
    border-radius:9px;padding:14px;font-weight:600;font-size:.92rem;text-align:center;margin-bottom:8px}
  .form-err.show{display:block}
  .consent{display:flex;gap:10px;align-items:flex-start;margin:4px 0 18px;font-size:.86rem;color:var(--muted);line-height:1.45;cursor:pointer}
  .consent input{margin-top:3px;width:17px;height:17px;flex:none;accent-color:var(--green)}
  .consent a{color:var(--green-600);text-decoration:underline}

  /* footer */
  .footer{background:#0e0f12;color:#aeb3b8;padding:64px 0 28px}
  .footer-top{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px;margin-bottom:48px}
  .footer .logo .brand-word{color:#fff;font-size:1.4rem}
  .footer .logo .brand-sub{color:#7a8088}
  .footer-col h5{color:#fff;font-family:'Montserrat';font-weight:700;font-size:.82rem;letter-spacing:.1em;
    text-transform:uppercase;margin-bottom:18px}
  .footer-col a{display:block;padding:5px 0;font-size:.93rem;transition:.2s}
  .footer-col a:hover{color:var(--green)}
  .footer-tag{margin-top:18px;max-width:30ch;font-size:.92rem;line-height:1.6}
  .footer-bottom{border-top:1px solid rgba(255,255,255,.08);padding-top:24px;display:flex;
    justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:.84rem}
  .footer-bottom .green{color:var(--green)}

  /* reveal */
  .reveal{opacity:0;transform:translateY(24px);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}}

  /* ---------- RESPONSIVE ---------- */
  @media (max-width:980px){
    .hero-grid{grid-template-columns:1fr;min-height:auto}
    .neon{position:static;transform:none;width:120px;margin:30px 0 0;opacity:.95}
    .about{grid-template-columns:1fr;gap:40px}
    .contact-grid{grid-template-columns:1fr;gap:36px}
    .footer-top{grid-template-columns:1fr 1fr}
    .cards,.gallery{grid-template-columns:repeat(2,1fr)}
  }
  @media (max-width:760px){
    .nav,.phone-pill .lbl,.header-cta .btn{display:none}
    .burger{display:flex}
    .header-cta{gap:10px}
    .nav.mobile-open{
      display:flex;flex-direction:column;position:absolute;top:88px;left:0;right:0;background:#fff;
      padding:18px 24px 26px;border-bottom:1px solid var(--line);gap:4px;box-shadow:var(--shadow);
    }
    .nav.mobile-open a{padding:13px 0;border-bottom:1px solid var(--line);width:100%}
    .strip-grid{grid-template-columns:1fr 1fr}
    .strip-item:nth-child(3),.strip-item:nth-child(4){border-top:1px solid rgba(255,255,255,.08)}
    .strip-item:nth-child(3){border-left:none}
    .section{padding:72px 0}
    form .row{grid-template-columns:1fr}
  }
  @media (max-width:520px){
    .cards,.gallery,.stats,.footer-top{grid-template-columns:1fr}
    .strip-grid{grid-template-columns:1fr}
    .strip-item{border-left:none;border-top:1px solid rgba(255,255,255,.08)}
    .strip-item:first-child{border-top:none}
    .logo .brand-word{font-size:1.3rem}
  }