:root{
    --ink:#17181C; --ink-2:#1E1F24;
    --gold:#C29B57; --gold-lift:#D2AE68; --gold-soft:#E7D3A6;
    --bone:#F6F4EF; --sable:#ECE7DD; --sable-2:#E4DCCB;
    --taupe:#6B6459; --line:rgba(23,24,28,.12);
    --display:"Fraunces", Georgia, serif;
    --body:"Inter", system-ui, -apple-system, sans-serif;
    --mono:"Space Mono", ui-monospace, monospace;
    --wrap:1180px;
  }
  *{box-sizing:border-box}
  html{scroll-behavior:smooth; scroll-padding-top:90px}
  body{
    margin:0; background:var(--bone); color:var(--ink);
    font-family:var(--body); font-size:17px; line-height:1.6;
    -webkit-font-smoothing:antialiased;
  }
  a{color:inherit; text-decoration:none}
  h1,h2,h3{font-family:var(--display); font-weight:600; line-height:1.05; margin:0}
  .wrap{max-width:var(--wrap); margin:0 auto; padding:0 28px}
  .eyebrow{font-family:var(--mono); font-size:12px; letter-spacing:.18em; text-transform:uppercase; color:var(--gold)}
  .muted{color:var(--taupe)}

  /* ---------- Buttons ---------- */
  .btn{display:inline-flex; align-items:center; gap:.55em; font-family:var(--body); font-weight:600;
    font-size:15px; padding:14px 22px; border-radius:999px; border:1px solid transparent; cursor:pointer;
    transition:transform .18s ease, background .18s ease, color .18s ease, box-shadow .18s ease; white-space:nowrap}
  .btn-primary{background:var(--ink); color:var(--bone)}
  .btn-primary:hover{transform:translateY(-2px); box-shadow:0 12px 26px -12px rgba(23,24,28,.6)}
  .btn-gold{background:var(--gold); color:var(--ink)}
  .btn-gold:hover{transform:translateY(-2px); box-shadow:0 12px 26px -12px rgba(194,155,87,.7)}
  .btn-ghost{background:transparent; border-color:var(--line); color:var(--ink)}
  .btn-ghost:hover{border-color:var(--ink); transform:translateY(-2px)}
  .btn .arw{transition:transform .18s ease}
  .btn:hover .arw{transform:translateX(3px)}

  /* ---------- Nav ---------- */
  header.nav{position:sticky; top:0; z-index:60; background:var(--bone); border-bottom:1px solid var(--line);
    box-shadow:0 8px 24px rgba(23,24,28,.04)}
  .nav-inner{display:flex; align-items:center; gap:20px; height:78px}
  .brand{display:flex; align-items:center; gap:12px; font-family:var(--display); font-weight:600; font-size:22px; letter-spacing:-.01em}
  .brand img{display:block; width:auto; height:52px; max-width:150px; object-fit:contain; object-position:left center}
  .nav .brand{gap:9px; flex:none}
  .nav .brand-icon{width:auto; height:clamp(52px,4vw,60px); max-width:67px; object-fit:contain; object-position:center}
  .brand-wordmark{display:inline-flex; align-items:baseline; font-family:var(--body); font-size:clamp(22px,1.8vw,28px); font-weight:500; line-height:1; letter-spacing:-.045em; white-space:nowrap}
  .brand-360{color:rgb(23,24,28)}
  .brand-lieux{color:rgb(194,155,87); margin-left:4px}
  .brand .num{color:var(--gold); font-family:var(--mono); font-size:16px; letter-spacing:.01em; margin-right:2px}
  .brand svg{display:block}
  .menu{display:flex; align-items:center; gap:4px; margin-left:auto}
  .menu > a, .menu .dd > button{
    font:inherit; font-size:15px; font-weight:500; color:var(--ink); background:none; border:0; cursor:pointer;
    padding:10px 14px; border-radius:10px; display:inline-flex; align-items:center; gap:6px}
  .menu > a:hover, .menu .dd > button:hover{background:var(--sable)}
  .menu > a.active{background:var(--sable); color:var(--ink)}
  .menu > a.active::after{content:""; display:block}
  .menu > a::after{content:""; display:block}
  .dd{position:relative}
  .dd > button .chev{transition:transform .2s ease}
  .dd[data-open="true"] > button .chev{transform:rotate(180deg)}
  .dd-panel{position:absolute; top:calc(100% + 8px); left:0; min-width:248px; background:var(--bone);
    border:1px solid var(--line); border-radius:16px; padding:8px; opacity:0; visibility:hidden; transform:translateY(-6px);
    transition:opacity .18s ease, transform .18s ease, visibility .18s; box-shadow:0 24px 50px -24px rgba(23,24,28,.35)}
  .dd[data-open="true"] .dd-panel{opacity:1; visibility:visible; transform:translateY(0)}
  .dd-panel a{display:flex; justify-content:space-between; align-items:baseline; gap:14px; padding:11px 13px; border-radius:11px}
  .dd-panel a:hover{background:var(--sable)}
  .dd-panel .t{font-weight:600; font-size:15px}
  .dd-panel .p{font-family:var(--mono); font-size:13px; color:var(--gold)}
  .dd-panel .d{display:block; font-size:12.5px; color:var(--taupe); margin-top:2px}
  .nav-cta{margin-left:6px}
  .burger{display:none; margin-left:auto; width:44px; height:44px; border:1px solid var(--line); border-radius:12px;
    background:var(--bone); cursor:pointer; align-items:center; justify-content:center}
  .burger span{display:block; width:18px; height:2px; background:var(--ink); position:relative}
  .burger span::before,.burger span::after{content:""; position:absolute; left:0; width:18px; height:2px; background:var(--ink)}
  .burger span::before{top:-6px} .burger span::after{top:6px}

  /* mobile sheet */
  .sheet{position:fixed; inset:78px 0 0 0; background:var(--bone); z-index:55; transform:translateY(-8px);
    opacity:0; visibility:hidden; transition:opacity .22s ease, transform .22s ease, visibility .22s; padding:18px 28px 40px; overflow:auto}
  .sheet[data-open="true"]{opacity:1; visibility:visible; transform:translateY(0)}
  .sheet a{display:block; padding:16px 4px; font-size:20px; font-family:var(--display); border-bottom:1px solid var(--line)}
  .sheet .p{font-family:var(--mono); font-size:13px; color:var(--gold)}
  .sheet .btn{margin-top:24px; width:100%; justify-content:center}

  /* ---------- Hero ---------- */
  .hero{position:relative; overflow:hidden; min-height:clamp(620px,78vh,820px); display:flex; align-items:center}
  .hero-media{position:absolute; inset:0; z-index:0; display:block; overflow:hidden}
  .hero-media img{display:block; width:100%; height:100%; object-fit:cover; object-position:center right}
  .hero::before{content:""; position:absolute; inset:0; z-index:1;
    background:linear-gradient(90deg, rgba(246,244,239,.97) 0%, rgba(246,244,239,.92) 34%, rgba(246,244,239,.54) 56%, rgba(246,244,239,.08) 82%)}
  .hero-inner{position:relative; z-index:2; width:100%; padding:76px 28px 84px}
  .hero-copy{max-width:820px}
  .hero h1{font-size:clamp(40px, 5.4vw, 68px); letter-spacing:-.015em; margin:18px 0 22px}
  .hero h1 em{font-style:italic; color:var(--gold)}
  .hero-title-line{display:block}
  .hero p.lead{font-size:19px; color:#514b43; max-width:46ch; margin:0 0 30px}
  .hero-cta{display:flex; flex-wrap:wrap; gap:12px}
  .hero-tags{display:flex; flex-wrap:wrap; gap:10px 22px; margin-top:34px; font-family:var(--mono); font-size:12.5px; letter-spacing:.04em; color:#514b43}
  .hero-tags span{display:inline-flex; align-items:center; gap:8px}
  .hero-tags i{width:6px; height:6px; border-radius:50%; background:var(--gold); display:inline-block}

  /* ---------- Sections ---------- */
  section{position:relative}
  .band{padding:96px 0}
  .sec-head{max-width:640px; margin-bottom:52px}
  .sec-head h2{font-size:clamp(30px,3.6vw,44px); letter-spacing:-.01em; margin:14px 0 0}
  .grid{display:grid; gap:20px}
  .g4{grid-template-columns:repeat(4,1fr)}
  .g3{grid-template-columns:repeat(3,1fr)}
  .g2{grid-template-columns:1.1fr .9fr}

  .card{background:var(--bone); border:1px solid rgba(23,24,28,.18); border-radius:20px; padding:26px; transition:transform .2s ease, box-shadow .2s ease, border-color .2s ease}
  .card:hover{transform:translateY(-3px); border-color:rgba(194,155,87,.55); box-shadow:0 24px 44px -28px rgba(23,24,28,.4)}
  .card .ic{width:50px; height:50px; border-radius:14px; background:var(--sable); display:grid; place-items:center; margin-bottom:18px}
  .card .ic svg{width:25px; height:25px}
  .card h3{font-size:21px; margin-bottom:8px}
  .card p{margin:0; color:#59534a; font-size:15.5px}

  /* process */
  .steps{counter-reset:step; display:grid; grid-template-columns:repeat(4,1fr); gap:0; border-top:1px solid var(--line); position:relative}
  .steps::before{content:""; position:absolute; top:36px; left:12px; right:12px; height:1px; background:linear-gradient(90deg,var(--gold),rgba(194,155,87,.22)); z-index:0}
  .step{padding:30px 24px; border-right:1px solid var(--line); position:relative; z-index:1}
  .step:last-child{border-right:0}
  .step .n{font-family:var(--mono); font-size:13px; color:var(--ink); letter-spacing:.1em; background:var(--sable); border:1px solid var(--gold); border-radius:999px; width:38px; height:26px; display:grid; place-items:center}
  .step h3{font-size:20px; margin:14px 0 8px}
  .step p{margin:0; color:var(--taupe); font-size:15px}
  .step .time{margin-top:12px; font-family:var(--mono); font-size:12.5px; color:var(--ink); background:var(--sable); display:inline-block; padding:5px 10px; border-radius:8px}

  /* pricing */
  .offers.band{background:var(--sable)}
  .price{grid-template-columns:repeat(3,1fr)}
  .plan{background:var(--bone); border:1px solid var(--line); border-radius:22px; padding:30px; display:flex; flex-direction:column}
  .plan.feat{background:var(--ink); color:var(--bone); border-color:var(--ink); position:relative}
  .plan.feat .muted{color:#B7B1A6}
  .plan .tag{font-family:var(--mono); font-size:12px; letter-spacing:.14em; text-transform:uppercase; color:var(--gold)}
  .plan .amt{font-family:var(--display); font-size:46px; font-weight:600; margin:14px 0 2px; letter-spacing:-.02em}
  .plan .amt small{font-family:var(--mono); font-size:14px; font-weight:400; letter-spacing:0}
  .pilot-first{font-family:var(--display); font-size:21px; font-weight:600; margin-top:2px}
  .pilot-meta{font-size:14px; margin-top:2px}
  .plan ul{list-style:none; padding:0; margin:18px 0 26px; display:grid; gap:10px}
  .plan li{display:flex; gap:10px; font-size:15px; color:var(--taupe)}
  .plan.feat li{color:#D8D3C9}
  .plan li svg{flex:none; margin-top:3px}
  .plan .btn{margin-top:auto; justify-content:center}
  .ribbon{position:absolute; top:20px; right:20px; font-family:var(--mono); font-size:11px; letter-spacing:.14em;
    background:var(--gold); color:var(--ink); padding:5px 10px; border-radius:999px}
  .extras{margin-top:22px; display:flex; flex-wrap:wrap; gap:10px}
  .chip{font-family:var(--mono); font-size:13px; background:var(--bone); border:1px solid var(--line); padding:9px 13px; border-radius:999px}
  .chip b{color:var(--gold); font-weight:700}
  .fineprint{margin-top:16px; font-size:13.5px; color:var(--taupe)}

  /* surface grid */
  .grille-head{margin:56px 0 20px; max-width:640px}
  .grille-head .eyebrow{color:var(--gold)}
  .grille-head h3{font-size:clamp(22px,2.4vw,28px); margin-top:12px; font-family:var(--display); font-weight:600}
  .grille-wrap{border:1px solid var(--line); border-radius:20px; overflow:hidden; background:var(--bone)}
  table.grille{width:100%; border-collapse:collapse}
  table.grille th, table.grille td{padding:15px 20px; border-bottom:1px solid var(--line); text-align:left; font-size:15.5px}
  table.grille thead th{font-family:var(--mono); font-size:11.5px; letter-spacing:.12em; text-transform:uppercase; color:var(--taupe); background:var(--sable); font-weight:400}
  table.grille th.num, table.grille td.num{text-align:right; font-family:var(--mono); white-space:nowrap}
  table.grille td.tr{font-weight:600}
  table.grille td.imm{color:var(--gold-lift)}
  table.grille thead th.imm{color:var(--gold)}
  table.grille tbody tr:last-child td{border-bottom:0}
  table.grille tbody tr:hover{background:var(--sable)}
  .rule{margin-top:22px; display:grid; grid-template-columns:repeat(3,1fr); gap:16px}
  .rule .r{background:var(--bone); border:1px solid var(--line); border-radius:16px; padding:18px 20px}
  .rule .r h4{margin:0 0 6px; font-family:var(--display); font-weight:600; font-size:16.5px}
  .rule .r p{margin:0; font-size:14px; color:var(--taupe)}
  @media (max-width:720px){
    .rule{grid-template-columns:1fr}
    .grille-wrap{border:0; overflow:visible; background:transparent}
    table.grille, table.grille tbody, table.grille tr, table.grille td{display:block; width:100%}
    table.grille thead{position:absolute; width:1px; height:1px; overflow:hidden; clip:rect(0 0 0 0)}
    table.grille tbody{display:grid; gap:12px}
    table.grille tr{background:var(--bone); border:1px solid var(--line); border-radius:16px; padding:10px 14px}
    table.grille td{display:flex; align-items:center; justify-content:space-between; gap:18px; padding:8px 0; border-bottom:1px solid var(--line); text-align:right!important; font-size:14px}
    table.grille td::before{content:attr(data-label); font-family:var(--mono); font-size:11px; letter-spacing:.08em; text-transform:uppercase; color:var(--taupe); text-align:left}
    table.grille td:last-child{border-bottom:0}
    table.grille td.tr{font-size:16px}
  }

  /* diffusion channels */
  .channels{display:flex; flex-wrap:wrap; gap:12px; margin-top:8px}
  .channel{font-family:var(--mono); font-size:13.5px; letter-spacing:.02em; background:var(--bone); border:1px solid var(--line);
    padding:12px 18px; border-radius:999px; display:inline-flex; align-items:center; gap:9px}
  .channel::before{content:""; width:7px; height:7px; border-radius:50%; background:var(--gold)}

  /* particuliers */
  ul.plain{list-style:none; padding:0; margin:0 0 26px; display:grid; gap:11px}
  ul.plain li{display:flex; gap:10px; font-size:15.5px; color:var(--taupe)}
  ul.plain li svg{flex:none; margin-top:3px}
  .note-card{background:var(--ink); color:var(--bone); border-radius:22px; padding:32px}
  .note-card .note-k{font-family:var(--mono); font-size:12px; letter-spacing:.14em; text-transform:uppercase; color:var(--gold-lift); margin:0 0 12px}
  .note-card p{margin:0; font-size:16.5px; color:#D8D3C9; line-height:1.55}

  /* demo split */
  .demo.band{background:var(--ink); color:var(--bone)}
  .demo .eyebrow{color:var(--gold-lift)}
  .demo-grid{display:grid; grid-template-columns:repeat(3,1fr); gap:22px; margin-top:14px}
  .demo-card{display:flex; flex-direction:column; border:1px solid rgba(246,244,239,.14); border-radius:20px; overflow:hidden;
    background:#202127; text-decoration:none; color:var(--bone); transition:transform .18s ease, border-color .18s ease}
  .demo-card:hover{transform:translateY(-4px); border-color:var(--gold)}
  .demo-thumb{position:relative; aspect-ratio:400/260; overflow:hidden}
  .demo-play{position:absolute; left:14px; bottom:14px; font-family:var(--mono); font-size:11.5px; letter-spacing:.1em;
    text-transform:uppercase; background:rgba(30,31,36,.72); border:1px solid rgba(246,244,239,.2); color:var(--bone);
    padding:6px 12px; border-radius:999px; backdrop-filter:blur(4px)}
  .demo-meta{display:flex; align-items:center; justify-content:space-between; gap:10px; padding:16px 18px}
  .demo-type{font-family:var(--display); font-weight:600; font-size:16.5px}
  .demo-note{font-family:var(--mono); font-size:11px; letter-spacing:.08em; text-transform:uppercase; color:var(--gold-lift);
    border:1px solid rgba(194,155,87,.4); padding:4px 9px; border-radius:999px; white-space:nowrap}
  .demo-card.ready .demo-note{color:#8FCf9f; border-color:rgba(143,207,159,.4)}
  @media (max-width:820px){ .demo-grid{grid-template-columns:1fr; gap:16px} }
  .demo .eyebrow{color:var(--gold-lift)}
  .demo h2{color:var(--bone)}
  .demo p{color:#C9C4B9}
  .demo .g2{align-items:center; gap:56px}

  /* CTA band */
  .cta{background:var(--gold); color:var(--ink)}
  .cta .wrap{display:flex; align-items:center; justify-content:space-between; gap:30px; padding:56px 28px}
  .cta h2{font-size:clamp(26px,3.2vw,40px); max-width:18ch}
  .cta .sub{font-family:var(--mono); font-size:13px; letter-spacing:.06em; margin-top:8px}

  /* contact */
  .contact-layout{display:grid; grid-template-columns:minmax(0,1fr); gap:48px}
  .contact-intro{max-width:none}
  .contact-info{display:grid; grid-template-columns:repeat(4,minmax(0,1fr)); gap:0; border-top:1px solid var(--line)}
  .contact-info .info-line{display:block; padding:18px 20px; border-right:1px solid var(--line)}
  .contact-info .info-line:first-child{padding-left:0}
  .contact-info .info-line:last-child{border-right:0}
  .contact-info .info-line .k{display:block; margin-bottom:6px; min-width:0}
  .contact form{width:100%; max-width:none}
  form{display:grid; gap:16px}
  .row2{display:grid; grid-template-columns:1fr 1fr; gap:16px}
  label{font-size:13px; font-weight:600; letter-spacing:.02em; display:block; margin-bottom:7px}
  input,textarea,select{width:100%; font:inherit; font-size:15px; padding:13px 15px; border-radius:12px; border:1px solid var(--line);
    background:var(--bone); color:var(--ink); transition:border .16s ease, box-shadow .16s ease}
  select{appearance:none; -webkit-appearance:none; background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath d='M2 4l4 4 4-4' fill='none' stroke='%236B6459' stroke-width='1.6' stroke-linecap='round'/%3E%3C/svg%3E"); background-repeat:no-repeat; background-position:right 15px center; padding-right:40px; cursor:pointer}
  input:focus,textarea:focus,select:focus{outline:none; border-color:var(--gold); box-shadow:0 0 0 3px rgba(194,155,87,.22)}
  textarea{min-height:118px; resize:vertical}
  .form-note{font-size:13px; color:var(--taupe)}
  .success{display:none; background:var(--ink); color:var(--bone); padding:16px 18px; border-radius:14px; font-size:15px}
  .success.on{display:block}
  .info-line{display:flex; gap:14px; padding:16px 0; border-bottom:1px solid var(--line)}
  .info-line .k{font-family:var(--mono); font-size:12px; letter-spacing:.12em; text-transform:uppercase; color:var(--gold); min-width:110px}

  /* footer */
  footer{padding:56px 0 40px; border-top:1px solid var(--line)}
  .foot{display:flex; justify-content:space-between; gap:30px; flex-wrap:wrap; align-items:flex-start}
  .foot-links{display:flex; gap:34px; flex-wrap:wrap}
  .foot-links a{color:var(--taupe); font-size:15px}
  .foot-links a:hover{color:var(--ink)}
  .foot small{color:var(--taupe); font-size:13px}
  .foot-socials{display:flex; gap:16px; margin-top:14px}
  .foot-socials a{font-family:var(--mono); font-size:12px; letter-spacing:.06em; text-transform:uppercase; color:var(--taupe); transition:color .16s ease}
  .foot-socials a:hover{color:var(--gold)}
  .foot-legal{display:flex; flex-direction:column; gap:10px; align-items:flex-end}
  .foot-legal .foot-links a[aria-disabled="true"]{opacity:.6; cursor:not-allowed}
  @media (max-width:720px){ .foot-legal{align-items:flex-start} }

  /* reveal */
  .reveal{opacity:0; transform:translateY(18px); transition:opacity .7s ease, transform .7s ease}
  .reveal.in{opacity:1; transform:none}

  @media (min-width:1200px){
    .hero-copy{max-width:860px}
    .hero .eyebrow, .hero-title-line{white-space:nowrap}
  }
  @media (max-width:1080px){
    .menu, .nav-cta{display:none}
    .burger{display:flex}
  }
  @media (max-width:960px){
    .hero{min-height:680px}
    .hero-media img{object-position:62% center}
    .hero::before{background:linear-gradient(90deg, rgba(246,244,239,.97) 0%, rgba(246,244,239,.91) 52%, rgba(246,244,239,.36) 100%)}
    .hero-inner{padding:64px 28px}
    .hero p.lead{max-width:none}
    .g4{grid-template-columns:1fr 1fr}
    .steps{grid-template-columns:1fr 1fr}
    .steps::before{display:none}
    .step{border-right:0; border-bottom:1px solid var(--line); padding:30px 0}
    .price{grid-template-columns:1fr}
    .g2{grid-template-columns:1fr}
    .demo .g2{gap:34px}
    .contact-info{grid-template-columns:1fr 1fr}
    .contact-info .info-line{padding:16px 18px; border-bottom:1px solid var(--line)}
    .contact-info .info-line:nth-child(odd){padding-left:0}
    .contact-info .info-line:nth-child(even){border-right:0}
  }
  @media (max-width:720px){
    .menu, .nav-cta{display:none}
    .burger{display:flex}
    .g4{grid-template-columns:1fr}
    .steps{grid-template-columns:1fr}
    .cta .wrap{flex-direction:column; align-items:flex-start}
    .row2{grid-template-columns:1fr}
    .hero{min-height:640px}
    .hero-media img{object-position:58% center}
    .hero::before{background:linear-gradient(90deg, rgba(246,244,239,.96) 0%, rgba(246,244,239,.90) 68%, rgba(246,244,239,.62) 100%)}
    .hero-inner{padding:54px 22px 60px}
    .hero h1{font-size:clamp(38px,12vw,52px)}
    .hero .eyebrow{letter-spacing:.11em; line-height:1.55}
    .hero-cta{align-items:stretch}
    .hero-cta .btn{justify-content:center; flex:1 1 100%}
    .nav .brand{min-width:0; max-width:calc(100% - 62px); gap:7px}
    .nav .brand-icon{width:auto; height:46px; max-width:51px}
    .nav .brand-wordmark{font-size:21px}
    .nav-inner{gap:12px}
    .contact-layout{gap:36px}
    .contact-info{grid-template-columns:1fr}
    .contact-info .info-line{padding:14px 0; border-right:0}
  }
  @media (prefers-reduced-motion:reduce){
    *{scroll-behavior:auto}
    .spin{animation:none}
    .reveal{transition:none; opacity:1; transform:none}
  }

/* ---------- Formulaire serveur ---------- */
.hp-field{position:absolute!important;left:-10000px!important;width:1px!important;height:1px!important;overflow:hidden!important}
.form-error{display:none;background:#fff1ef;color:#7d241c;border:1px solid rgba(125,36,28,.22);padding:16px 18px;border-radius:14px;font-size:15px}
.form-error.on{display:block}
.form-note a{text-decoration:underline;text-underline-offset:2px}
button:disabled{opacity:.66;cursor:wait;transform:none!important;box-shadow:none!important}