:root{
    --ink:#14161a;
    --ink-soft:#1e2126;
    --porcelain:#f4f3f0;
    --steel:#5a636d;
    --chrome:#c9cdd2;
    --ceramic:#2e6f8e;
    --ceramic-light:#5b9bb8;
    --brass:#c98a3e;
    --line: rgba(255,255,255,0.10);
    --line-dark: rgba(20,22,26,0.12);
    --radius: 2px;
  }
  *{box-sizing:border-box; margin:0; padding:0;}
  html{scroll-behavior:smooth;}
  body{
    font-family:'Inter', sans-serif;
    background:var(--porcelain);
    color:var(--ink);
    line-height:1.5;
    -webkit-font-smoothing:antialiased;
  }
  h1,h2,h3,.display{
    font-family:'Barlow Condensed', sans-serif;
    text-transform:uppercase;
    letter-spacing:0.01em;
    font-weight:700;
    line-height:1.05;
  }
  .mono{
    font-family:'JetBrains Mono', monospace;
    letter-spacing:0.04em;
  }
  a{color:inherit; text-decoration:none;}
  img{max-width:100%; display:block;}
  button{font-family:inherit; cursor:pointer;}
  /* ---------- ANIMATIONS ---------- */
  @keyframes fadeUp{
    from{opacity:0; transform:translateY(18px);}
    to{opacity:1; transform:translateY(0);}
  }
  .load-in{
    opacity:0;
    animation:fadeUp .7s cubic-bezier(.22,1,.36,1) forwards;
  }
  .load-in.d1{animation-delay:.05s;}
  .load-in.d2{animation-delay:.18s;}
  .load-in.d3{animation-delay:.30s;}
  .load-in.d4{animation-delay:.42s;}
  .load-in.d5{animation-delay:.54s;}

  .reveal{
    opacity:0;
    transform:translateY(24px);
    transition:opacity .7s cubic-bezier(.22,1,.36,1), transform .7s cubic-bezier(.22,1,.36,1);
  }
  .reveal.in-view{opacity:1; transform:translateY(0);}
  .reveal-group.in-view .reveal-child{opacity:1; transform:translateY(0);}
  .reveal-child{
    opacity:0; transform:translateY(20px);
    transition:opacity .6s cubic-bezier(.22,1,.36,1), transform .6s cubic-bezier(.22,1,.36,1);
  }
  .reveal-group.in-view .reveal-child:nth-child(1){transition-delay:.05s;}
  .reveal-group.in-view .reveal-child:nth-child(2){transition-delay:.15s;}
  .reveal-group.in-view .reveal-child:nth-child(3){transition-delay:.25s;}
  .reveal-group.in-view .reveal-child:nth-child(4){transition-delay:.35s;}
  .reveal-group.in-view .reveal-child:nth-child(5){transition-delay:.45s;}

  @media (prefers-reduced-motion: reduce){
    .load-in, .reveal, .reveal-child{opacity:1 !important; transform:none !important; animation:none !important; transition:none !important;}
  }

  /* hovers affinés */
  .benefit{transition:background .25s ease, transform .25s ease;}
  .benefit:hover{background:#fff; transform:translateY(-3px);}

  .price-card{transition:transform .3s cubic-bezier(.22,1,.36,1), box-shadow .3s ease, border-color .3s ease;}
  .price-card:hover{transform:translateY(-6px); box-shadow:0 20px 40px -18px rgba(20,22,26,0.25); border-color:var(--ceramic-light);}
  .price-card.featured:hover{box-shadow:0 24px 48px -16px rgba(46,111,142,0.45);}

  .zone-chip{transition:background .2s ease, border-color .2s ease, transform .2s ease;}
  .zone-chip:hover{background:var(--ceramic); color:#fff; border-color:var(--ceramic); transform:translateY(-2px);}
  .zone-chip:hover::before{background:#fff;}

  .nav-links a{position:relative;}
  .nav-links a::after{
    content:''; position:absolute; left:0; right:100%; bottom:-2px; height:1px;
    background:var(--ceramic-light); transition:right .25s ease;
  }
  .nav-links a:hover::after, .nav-links a:focus-visible::after{right:0;}

  .field input, .field select, .field textarea{transition:border-color .2s ease, box-shadow .2s ease;}

  .swipe-card{transition:transform .4s ease;}

  .wrap{max-width:1140px; margin:0 auto; padding:0 24px;}
  .eyebrow{
    font-family:'JetBrains Mono', monospace;
    font-size:12px;
    letter-spacing:0.15em;
    text-transform:uppercase;
    color:var(--ceramic);
    display:flex;
    align-items:center;
    gap:10px;
    margin-bottom:14px;
  }
  .eyebrow::before{content:''; width:24px; height:1px; background:var(--ceramic);}

  /* reduced motion */
  @media (prefers-reduced-motion: reduce){
    *{animation:none !important; transition:none !important; scroll-behavior:auto !important;}
  }

  /* ---------- HEADER ---------- */
  header{
    position:sticky; top:0; z-index:100;
    background:rgba(20,22,26,0.96);
    backdrop-filter:blur(6px);
    border-bottom:1px solid var(--line);
  }
  .nav{
    display:flex; align-items:center; justify-content:space-between;
    padding:16px 24px; max-width:1140px; margin:0 auto;
    color:var(--porcelain);
  }
  .logo{
    font-family:'Barlow Condensed', sans-serif;
    font-weight:800; font-size:22px; letter-spacing:0.04em;
    color:var(--porcelain);
  }
  .logo span{color:var(--ceramic-light);}
  .nav-links{display:flex; gap:32px; align-items:center; list-style:none;}
  .nav-links a{
    font-size:14px; font-weight:500; color:var(--chrome);
    transition:color .2s;
    padding:4px 0;
    border-bottom:1px solid transparent;
  }
  .nav-links a:hover, .nav-links a:focus-visible{color:var(--porcelain); border-color:var(--ceramic-light);}
  .nav-cta{display:flex; align-items:center; gap:20px;}
  .btn{
    display:inline-flex; align-items:center; justify-content:center;
    padding:12px 24px;
    font-size:14px; font-weight:600;
    letter-spacing:0.02em;
    border-radius:var(--radius);
    border:1px solid transparent;
    transition:transform .15s ease, background .2s, color .2s, border-color .2s;
    white-space:nowrap;
  }
  .btn:focus-visible{outline:2px solid var(--ceramic-light); outline-offset:2px;}
  .btn-primary{background:var(--ceramic); color:#fff;}
  .btn-primary:hover{background:var(--ceramic-light); transform:translateY(-1px);}
  .btn-ghost{border-color:var(--chrome); color:var(--porcelain);}
  .btn-ghost:hover{border-color:var(--porcelain);}
  .tel{font-size:14px; color:var(--porcelain); font-weight:600;}
  .nav-toggle{display:none; background:none; border:none; color:var(--porcelain); font-size:24px;}

  /* ---------- HERO ---------- */
  .hero{
    background:var(--ink);
    color:var(--porcelain);
    padding:72px 0 0;
    overflow:hidden;
  }
  .hero-grid{
    display:grid; grid-template-columns:1.1fr 0.9fr; gap:56px; align-items:center;
    padding-bottom:56px;
  }
  .hero h1{
    font-size:clamp(38px, 5.2vw, 60px);
    margin-bottom:20px;
  }
  .hero h1 em{font-style:normal; color:var(--ceramic-light);}
  .hero p.lead{
    font-size:17px; color:var(--chrome); max-width:46ch; margin-bottom:32px;
  }
  .hero-actions{display:flex; gap:16px; flex-wrap:wrap; margin-bottom:40px;}
  .stat-row{display:flex; gap:40px; flex-wrap:wrap;}
  .stat .num{font-family:'Barlow Condensed'; font-size:34px; font-weight:800; color:var(--porcelain);}
  .stat .label{font-size:12px; color:var(--steel); text-transform:uppercase; letter-spacing:0.08em; margin-top:2px;}

  /* signature swipe visual */
  .swipe-card{
    position:relative;
    aspect-ratio:4/5;
    border-radius:var(--radius);
    overflow:hidden;
    border:1px solid var(--line);
    background:linear-gradient(160deg,#2a2e35,#111318);
  }
  .swipe-layer{
    position:absolute; inset:0;
    display:flex; flex-direction:column; align-items:center; justify-content:center;
    text-align:center; padding:24px;
  }
  .swipe-before{
    background-color:#1c1d18;
    background-size:cover;
    background-position:center;
  }
  .swipe-after{
    background-color:#12232c;
    background-size:cover;
    background-position:center;
    clip-path: inset(0 55% 0 0);
    animation: swipe-reveal 3.6s ease-in-out infinite;
  }
  .swipe-layer .tag{font-family:'JetBrains Mono'; font-size:11px; letter-spacing:0.12em; text-transform:uppercase; margin-bottom:10px; opacity:0.8;}
  .swipe-layer .word{font-family:'Barlow Condensed'; font-size:42px; font-weight:800;}
  .swipe-divider{
    position:absolute; top:0; bottom:0; left:45%;
    width:2px; background:var(--ceramic-light);
    box-shadow:0 0 16px var(--ceramic-light);
    animation: divider-move 3.6s ease-in-out infinite;
  }
  @keyframes swipe-reveal{
    0%,15%{clip-path: inset(0 100% 0 0);}
    50%,65%{clip-path: inset(0 0% 0 0);}
    100%{clip-path: inset(0 100% 0 0);}
  }
  @keyframes divider-move{
    0%,15%{left:100%;}
    50%,65%{left:0%;}
    100%{left:100%;}
  }
  @media (prefers-reduced-motion: reduce){
    .swipe-after{clip-path: inset(0 45% 0 0); animation:none;}
    .swipe-divider{left:55%; animation:none;}
  }

  .scroll-cue{
    display:flex; flex-direction:column; align-items:center; gap:8px;
    padding:28px 0; color:var(--steel); font-size:11px;
    text-transform:uppercase; letter-spacing:0.15em; font-family:'JetBrains Mono';
    border-top:1px solid var(--line);
  }
  .scroll-cue .chev{width:14px; height:14px; border-right:1px solid var(--steel); border-bottom:1px solid var(--steel); transform:rotate(45deg); animation:bob 1.8s ease-in-out infinite;}
  @keyframes bob{0%,100%{transform:translateY(0) rotate(45deg);} 50%{transform:translateY(6px) rotate(45deg);}}

  /* ---------- SECTIONS GENERIC ---------- */
  section{padding:88px 0;}
  .section-head{max-width:640px; margin-bottom:48px;}
  .section-head h2{font-size:clamp(30px,3.6vw,42px);}
  .section-head p{color:var(--steel); font-size:16px; margin-top:14px;}
  .light-on-dark{background:var(--ink); color:var(--porcelain);}
  .light-on-dark .section-head p{color:var(--chrome);}

  /* ---------- BENEFITS ---------- */
  .benefit-grid{display:grid; grid-template-columns:repeat(2,1fr); gap:1px; background:var(--line-dark); border:1px solid var(--line-dark);}
  .benefit{background:var(--porcelain); padding:36px; }
  .benefit .idx{font-family:'JetBrains Mono'; font-size:12px; color:var(--ceramic); margin-bottom:14px;}
  .benefit h3{font-size:22px; margin-bottom:10px; text-transform:none; letter-spacing:0;}
  .benefit p{color:var(--steel); font-size:15px;}

  /* ---------- COMPARISON ---------- */
  .compare{overflow-x:auto; border:1px solid var(--line-dark);}
  table{width:100%; border-collapse:collapse; min-width:640px;}
  th,td{padding:16px 20px; text-align:left; font-size:14px; border-bottom:1px solid var(--line-dark);}
  thead th{
    font-family:'JetBrains Mono'; font-size:11px; text-transform:uppercase; letter-spacing:0.08em;
    color:var(--steel); background:#eae8e3; font-weight:500;
  }
  thead th.hl{color:var(--ceramic); background:#e2edf1;}
  tbody td.hl{background:#f2f7f9; font-weight:500;}
  tbody tr:last-child td{border-bottom:none;}
  .ok{color:#2f7a4d;} .no{color:#b8433a;} .mid{color:var(--brass);}

  /* ---------- PRICING ---------- */
  .pricing-grid{display:grid; grid-template-columns:repeat(3,1fr); gap:24px;}
  .price-card{
    background:#fff; border:1px solid var(--line-dark); border-radius:var(--radius);
    padding:32px; display:flex; flex-direction:column;
    position:relative;
  }
  .price-card.featured{border-color:var(--ceramic); box-shadow:0 12px 32px -12px rgba(46,111,142,0.35);}
  .badge{
    position:absolute; top:-13px; left:32px;
    background:var(--ceramic); color:#fff; font-size:11px; font-weight:600;
    padding:5px 12px; border-radius:var(--radius); text-transform:uppercase; letter-spacing:0.06em;
    font-family:'JetBrains Mono';
  }
  .price-card .idx{font-family:'JetBrains Mono'; font-size:12px; color:var(--steel); margin-bottom:8px;}
  .price-card h3{font-size:24px; text-transform:none; letter-spacing:0; margin-bottom:8px;}
  .price-card .desc{color:var(--steel); font-size:14px; margin-bottom:20px; min-height:42px;}
  .price-card .price{font-family:'Barlow Condensed'; font-size:44px; font-weight:800; margin-bottom:2px;}
  .price-card .price sup{font-size:16px; font-weight:600;}
  .price-card .ttc{font-size:12px; color:var(--steel); margin-bottom:24px; font-family:'JetBrains Mono';}
  .price-card ul{list-style:none; margin-bottom:28px; flex:1;}
  .price-card li{font-size:14px; padding:9px 0; border-top:1px solid var(--line-dark); display:flex; gap:10px;}
  .price-card li:first-child{border-top:none;}
  .price-card li::before{content:'—'; color:var(--ceramic); flex-shrink:0;}
  .price-card .btn{width:100%;}

  .price-note{
    margin-top:32px; display:grid; grid-template-columns:1fr 1fr; gap:20px;
  }
  .note-box{
    border:1px dashed var(--line-dark); padding:20px 22px; border-radius:var(--radius);
    background:#fbfaf8;
  }
  .note-box .mono{font-size:11px; color:var(--ceramic); display:block; margin-bottom:8px;}
  .note-box p{font-size:14px; color:var(--ink);}
  .note-box strong{color:var(--brass);}

  /* ---------- ZONES ---------- */
  .zones-list{display:flex; flex-wrap:wrap; gap:12px;}
  .zone-chip{
    border:1px solid var(--line-dark); padding:10px 18px; border-radius:20px;
    font-size:14px; display:flex; align-items:center; gap:8px; background:#fff;
  }
  .zone-chip::before{content:''; width:6px; height:6px; border-radius:50%; background:var(--ceramic);}
  .zones-note{margin-top:20px; color:var(--steel); font-size:14px;}

  /* ---------- FAQ ---------- */
  .faq-item{border-bottom:1px solid var(--line-dark);}
  .faq-q{
    width:100%; text-align:left; background:none; border:none; padding:22px 0;
    display:flex; justify-content:space-between; align-items:center; gap:20px;
    font-size:17px; font-weight:500; color:var(--ink);
  }
  .faq-q .plus{font-family:'JetBrains Mono'; font-size:20px; color:var(--ceramic); transition:transform .25s; flex-shrink:0;}
  .faq-item.open .plus{transform:rotate(45deg);}
  .faq-a{max-height:0; overflow:hidden; transition:max-height .3s ease;}
  .faq-a p{padding-bottom:22px; color:var(--steel); font-size:15px; max-width:70ch;}

  /* ---------- CTA FINAL / FORM ---------- */
  .cta-final{background:var(--ink); color:var(--porcelain);}
  .cta-grid{display:grid; grid-template-columns:1fr 1fr; gap:56px; align-items:start;}
  .cta-grid h2{font-size:clamp(30px,3.6vw,42px); margin-bottom:16px;}
  .cta-grid p{color:var(--chrome); font-size:16px; margin-bottom:28px; max-width:44ch;}
  .cta-phone{display:flex; align-items:center; gap:14px; margin-top:32px;}
  .cta-phone .num{font-family:'Barlow Condensed'; font-size:26px; font-weight:700;}

  form{background:var(--ink-soft); border:1px solid var(--line); padding:32px; border-radius:var(--radius);}
  .field{margin-bottom:18px;}
  .field label{display:block; font-size:12px; color:var(--chrome); margin-bottom:6px; text-transform:uppercase; letter-spacing:0.06em; font-family:'JetBrains Mono';}
  .field input, .field select, .field textarea{
    width:100%; background:#0f1114; border:1px solid var(--line); color:var(--porcelain);
    padding:12px 14px; font-size:14px; border-radius:var(--radius); font-family:'Inter';
  }
  .field textarea{resize:vertical; min-height:80px;}
  .field input:focus, .field select:focus, .field textarea:focus{outline:2px solid var(--ceramic-light); outline-offset:1px; border-color:var(--ceramic-light);}
  .field-row{display:grid; grid-template-columns:1fr 1fr; gap:14px;}
  form .btn{width:100%; margin-top:6px;}

  /* ---------- FOOTER ---------- */
  footer{background:#0f1114; color:var(--chrome); padding:56px 0 28px;}
  .footer-grid{display:grid; grid-template-columns:1.4fr 1fr 1fr; gap:40px; padding-bottom:36px; border-bottom:1px solid var(--line);}
  .footer-grid h4{font-size:12px; text-transform:uppercase; letter-spacing:0.1em; color:var(--porcelain); margin-bottom:16px; font-family:'JetBrains Mono'; font-weight:500;}
  .footer-grid p, .footer-grid a{font-size:14px; color:var(--steel); display:block; margin-bottom:10px;}
  .footer-grid a:hover{color:var(--porcelain);}
  .footer-logo{font-family:'Barlow Condensed'; font-weight:800; font-size:22px; color:var(--porcelain); margin-bottom:14px;}
  .footer-social{display:flex; gap:14px; margin-top:16px;}
  .footer-social a{width:34px; height:34px; border:1px solid var(--line); border-radius:50%; display:flex; align-items:center; justify-content:center; font-size:14px;}
  .footer-bottom{padding-top:24px; display:flex; justify-content:space-between; flex-wrap:wrap; gap:12px; font-size:12px; color:var(--steel);}

  /* ---------- RESPONSIVE ---------- */
  @media (max-width:860px){
    .nav-links{display:none;}
    .nav-toggle{display:block;}
    .hero-grid{grid-template-columns:1fr; gap:36px;}
    .swipe-card{max-width:420px;}
    .benefit-grid{grid-template-columns:1fr;}
    .pricing-grid{grid-template-columns:1fr;}
    .price-note{grid-template-columns:1fr;}
    .cta-grid{grid-template-columns:1fr;}
    .footer-grid{grid-template-columns:1fr; gap:28px;}
    section{padding:64px 0;}
  }