:root{
    --ink:#14181d;
    --ink-soft:#3c454f;
    --paper:#faf8f4;
    --paper-2:#f2eee6;
    --line:#d9d3c7;
    --water:#1f5f6b;      /* lac Léman, teal profond */
    --water-deep:#123b43;
    --signal:#e0632e;     /* borne / signalétique */
    --white:#ffffff;
    --shadow:0 1px 2px rgba(20,24,29,.04),0 8px 30px rgba(20,24,29,.06);
  }

  *{margin:0;padding:0;box-sizing:border-box}
  html{scroll-behavior:smooth}
  body{
    font-family:'Inter',system-ui,sans-serif;
    background:var(--paper);
    color:var(--ink);
    line-height:1.6;
    -webkit-font-smoothing:antialiased;
    overflow-x:hidden;
  }
  ::selection{background:var(--water);color:var(--paper)}
  a{color:inherit;text-decoration:none}
  .wrap{max-width:1160px;margin:0 auto;padding:0 28px}
  .mono{font-family:'JetBrains Mono',monospace;font-size:.72rem;letter-spacing:.18em;text-transform:uppercase;font-weight:500}

  /* ---------- NAV ---------- */
  header.nav{
    position:sticky;top:0;z-index:50;
    background:rgba(250,248,244,.82);
    backdrop-filter:saturate(180%) blur(14px);
    border-bottom:1px solid transparent;
    transition:border-color .3s;
  }
  header.nav.scrolled{border-color:var(--line)}
  .nav-inner{display:flex;align-items:center;justify-content:space-between;height:70px}
  .brand{display:flex;align-items:center;gap:9px;font-family:'Manrope';font-weight:700;font-size:1.28rem;letter-spacing:-.01em;color:var(--ink)}
  .brand-cap{color:var(--water-deep)}
  .brand-front{color:var(--ink)}
  .brand-sep{width:1.5px;height:20px;background:var(--signal);display:inline-block;border-radius:2px}
  .brand .mark{
    width:30px;height:30px;flex:none;position:relative;
  }
  .nav-links{display:flex;gap:34px;align-items:center}
  .nav-links a{font-size:.9rem;color:var(--ink-soft);font-weight:500;transition:color .2s}
  .nav-links a:hover{color:var(--ink)}
  .nav-cta{
    background:var(--ink);color:var(--paper);padding:9px 20px;border-radius:100px;
    font-size:.88rem;font-weight:500;transition:transform .2s,background .2s;
  }
  .nav-cta:hover{background:var(--water-deep);transform:translateY(-1px)}
  .burger{display:none;flex-direction:column;gap:5px;cursor:pointer;padding:6px}
  .burger span{width:22px;height:2px;background:var(--ink);transition:.3s}

  /* ---------- HERO ---------- */
  .hero{position:relative;padding:88px 0 96px;overflow:hidden}
  .hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center}
  .eyebrow{display:inline-flex;align-items:center;gap:10px;color:var(--water);margin-bottom:26px}
  .eyebrow .dot{width:7px;height:7px;border-radius:50%;background:var(--signal);box-shadow:0 0 0 4px rgba(224,99,46,.15)}
  h1{
    font-family:'Manrope';font-weight:800;font-size:clamp(2.5rem,5.4vw,4.1rem);
    line-height:1.02;letter-spacing:-.025em;margin-bottom:24px;
  }
  h1 em{font-style:normal;font-weight:800;color:var(--water)}
  .hero p.lead{font-size:1.14rem;color:var(--ink-soft);max-width:30em;margin-bottom:36px}
  .hero-actions{display:flex;gap:16px;align-items:center;flex-wrap:wrap}
  .btn-primary{
    background:var(--signal);color:var(--white);padding:15px 30px;border-radius:100px;
    font-weight:600;font-size:1rem;display:inline-flex;align-items:center;gap:10px;
    transition:transform .2s,box-shadow .2s;box-shadow:0 6px 20px rgba(224,99,46,.28);
    border:none;cursor:pointer;
  }
  .btn-primary:hover{transform:translateY(-2px);box-shadow:0 10px 28px rgba(224,99,46,.38)}
  .btn-ghost{padding:15px 24px;font-weight:500;color:var(--ink);display:inline-flex;align-items:center;gap:8px}
  .btn-ghost .arrow{transition:transform .2s}
  .btn-ghost:hover .arrow{transform:translateX(4px)}

  /* hero visual — carte stylisée frontière */
  .hero-visual{position:relative;aspect-ratio:1/1.02;border-radius:20px;overflow:hidden;
    background:linear-gradient(160deg,var(--water) 0%,var(--water-deep) 100%);
    box-shadow:var(--shadow);border:1px solid rgba(255,255,255,.08)}
  .hero-visual svg{position:absolute;inset:0;width:100%;height:100%}
  .hv-card{
    position:absolute;background:var(--white);border-radius:14px;padding:16px 18px;
    box-shadow:0 12px 34px rgba(0,0,0,.22);font-size:.82rem;
  }
  .hv-card .mono{color:var(--water);font-size:.62rem;margin-bottom:5px}
  .hv-card .big{font-family:'Manrope';font-weight:600;font-size:1.5rem;color:var(--ink);line-height:1}
  .hv-card.c1{top:8%;left:8%}
  .hv-card.c2{bottom:9%;right:7%}
  .hv-pill{position:absolute;top:46%;right:-6px;background:var(--signal);color:#fff;
    padding:7px 15px;border-radius:100px;font-size:.74rem;font-weight:600;box-shadow:0 8px 20px rgba(0,0,0,.25)}

  /* ---------- MARQUEE / trust ---------- */
  .strip{border-top:1px solid var(--line);border-bottom:1px solid var(--line);background:var(--paper-2);padding:22px 0}
  .strip-inner{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:20px}
  .strip-item{display:flex;align-items:center;gap:11px;color:var(--ink-soft);font-size:.92rem;font-weight:500}
  .strip-item svg{flex:none}

  /* ---------- SECTION SHELL ---------- */
  section.block{padding:104px 0}
  .sec-head{max-width:36em;margin-bottom:58px}
  .sec-head .mono{color:var(--water);margin-bottom:16px;display:block}
  .sec-head h2{font-family:'Manrope';font-weight:700;font-size:clamp(1.9rem,3.6vw,2.7rem);letter-spacing:-.02em;line-height:1.08;margin-bottom:16px}
  .sec-head p{color:var(--ink-soft);font-size:1.06rem}

  /* ---------- PHILOSOPHIE ---------- */
  .philo{background:var(--white)}
  .philo-grid{display:grid;grid-template-columns:1fr 1fr;gap:0;border:1px solid var(--line);border-radius:18px;overflow:hidden}
  .philo-card{padding:44px 40px;border-right:1px solid var(--line);border-bottom:1px solid var(--line)}
  .philo-card:nth-child(2n){border-right:none}
  .philo-card:nth-last-child(-n+2){border-bottom:none}
  .philo-card .idx{font-family:'JetBrains Mono';font-size:.78rem;color:var(--signal);margin-bottom:18px;letter-spacing:.1em}
  .philo-card h3{font-family:'Manrope';font-weight:700;font-size:1.32rem;margin-bottom:12px;letter-spacing:-.01em}
  .philo-card p{color:var(--ink-soft);font-size:.98rem}

  /* ---------- COMMENT ÇA MARCHE ---------- */
  .steps{position:relative}
  .steps-line{position:absolute;left:0;right:0;top:44px;height:1px;background:var(--line);z-index:0}
  .steps-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:36px;position:relative;z-index:1}
  .step .num{
    width:56px;height:56px;border-radius:50%;background:var(--paper);border:1px solid var(--line);
    display:flex;align-items:center;justify-content:center;font-family:'Manrope';font-weight:600;font-size:1.35rem;
    color:var(--water);margin-bottom:24px;
  }
  .step.active .num{background:var(--water);color:var(--white);border-color:var(--water)}
  .step h3{font-family:'Manrope';font-weight:700;font-size:1.25rem;margin-bottom:10px}
  .step p{color:var(--ink-soft);font-size:.97rem}

  /* ---------- PRICING ---------- */
  .pricing{background:var(--water-deep);color:var(--paper);position:relative;overflow:hidden}
  .pricing::before{content:"";position:absolute;inset:0;background:
    radial-gradient(600px 400px at 85% 20%,rgba(224,99,46,.18),transparent),
    radial-gradient(500px 500px at 10% 90%,rgba(31,95,107,.5),transparent)}
  .pricing .wrap{position:relative;z-index:1}
  .price-grid{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center}
  .pricing .sec-head .mono{color:var(--signal)}
  .pricing h2{color:var(--paper)}
  .pricing .sec-head p{color:rgba(250,248,244,.72)}
  .price-list{list-style:none;margin-top:30px;display:grid;gap:16px}
  .price-list li{display:flex;gap:14px;align-items:flex-start;color:rgba(250,248,244,.9);font-size:1.02rem}
  .price-list .check{flex:none;width:24px;height:24px;border-radius:50%;background:rgba(224,99,46,.18);display:flex;align-items:center;justify-content:center;margin-top:2px}
  .card-price{
    background:var(--paper);color:var(--ink);border-radius:22px;padding:40px 38px;box-shadow:0 30px 70px rgba(0,0,0,.35)}
  .card-price .tag{display:inline-block;background:var(--paper-2);color:var(--water);padding:6px 14px;border-radius:100px;font-size:.78rem;font-weight:600;margin-bottom:22px}
  .card-price .amount{display:flex;align-items:baseline;gap:8px;margin-bottom:6px}
  .card-price .amount .val{font-family:'Manrope';font-weight:600;font-size:4rem;letter-spacing:-.03em;line-height:1}
  .card-price .amount .per{color:var(--ink-soft);font-size:1.05rem;font-weight:500}
  .card-price .sub{color:var(--ink-soft);font-size:.95rem;margin-bottom:28px}
  .card-price .btn-primary{width:100%;justify-content:center;margin-bottom:16px}
  .card-price .fine{font-size:.82rem;color:var(--ink-soft);text-align:center;display:flex;align-items:center;justify-content:center;gap:7px}
  .secure-row{display:flex;align-items:center;justify-content:center;gap:8px;margin-top:20px;color:var(--ink-soft);font-size:.8rem}

  /* ---------- DISCLAIMER ---------- */
  .disclaimer{background:var(--paper-2);border:1px solid var(--line);border-radius:16px;padding:26px 30px;display:flex;gap:18px;align-items:flex-start;margin-top:40px}
  .disclaimer .ic{flex:none;width:40px;height:40px;border-radius:10px;background:var(--white);border:1px solid var(--line);display:flex;align-items:center;justify-content:center}
  .disclaimer h4{font-size:.95rem;font-weight:600;margin-bottom:6px}
  .disclaimer p{font-size:.9rem;color:var(--ink-soft)}

  /* ---------- FAQ ---------- */
  .faq{background:var(--white)}
  .faq-list{max-width:760px;margin:0 auto;border-top:1px solid var(--line)}
  .faq-item{border-bottom:1px solid var(--line)}
  .faq-q{width:100%;background:none;border:none;padding:26px 4px;display:flex;justify-content:space-between;align-items:center;cursor:pointer;text-align:left;font-family:'Manrope';font-weight:600;font-size:1.12rem;color:var(--ink);gap:20px}
  .faq-q .pm{flex:none;width:26px;height:26px;position:relative;transition:transform .3s}
  .faq-q .pm::before,.faq-q .pm::after{content:"";position:absolute;background:var(--water);left:50%;top:50%;transform:translate(-50%,-50%)}
  .faq-q .pm::before{width:14px;height:2px}
  .faq-q .pm::after{width:2px;height:14px;transition:transform .3s}
  .faq-item.open .pm::after{transform:translate(-50%,-50%) scaleY(0)}
  .faq-a{max-height:0;overflow:hidden;transition:max-height .35s ease}
  .faq-a p{padding:0 4px 26px;color:var(--ink-soft);font-size:1rem;max-width:64ch}

  /* ---------- SIGNUP FORM ---------- */
  .signup{background:var(--paper-2)}
  .form-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:56px;align-items:start}
  .form-card{background:var(--white);border:1px solid var(--line);border-radius:20px;padding:38px 36px;box-shadow:var(--shadow)}
  .field{margin-bottom:20px}
  .field label{display:block;font-size:.85rem;font-weight:600;margin-bottom:8px;color:var(--ink)}
  .field input,.field select{
    width:100%;padding:13px 15px;border:1px solid var(--line);border-radius:10px;
    font-family:inherit;font-size:.95rem;background:var(--paper);color:var(--ink);transition:border-color .2s,box-shadow .2s}
  .field input:focus,.field select:focus{outline:none;border-color:var(--water);box-shadow:0 0 0 3px rgba(31,95,107,.12)}
  .row2{display:grid;grid-template-columns:1fr 1fr;gap:16px}
  .consent{display:flex;gap:11px;align-items:flex-start;margin:8px 0 22px;font-size:.85rem;color:var(--ink-soft)}
  .consent input{margin-top:3px;flex:none;width:16px;height:16px;accent-color:var(--water)}
  #formMsg{margin-top:16px;font-size:.9rem;padding:12px 14px;border-radius:10px;display:none}
  #formMsg.ok{display:block;background:rgba(31,95,107,.1);color:var(--water-deep)}
  .form-side h2{font-family:'Manrope';font-weight:700;font-size:2rem;letter-spacing:-.02em;margin-bottom:18px;line-height:1.1}
  .form-side p{color:var(--ink-soft);margin-bottom:26px}
  .form-side .mini{display:flex;gap:14px;align-items:center;padding:16px 0;border-top:1px solid var(--line)}
  .form-side .mini .n{font-family:'JetBrains Mono';color:var(--signal);font-size:.85rem;flex:none}
  .form-side .mini span{font-size:.94rem;color:var(--ink-soft)}

  /* ---------- FOOTER ---------- */
  footer.foot{background:var(--ink);color:rgba(250,248,244,.72);padding:64px 0 32px}
  .foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:40px;margin-bottom:48px}
  .foot .brand{color:var(--paper);margin-bottom:16px}
  .foot-brand{display:flex;align-items:center;gap:9px;font-family:'Manrope';font-weight:700;font-size:1.28rem}
  .foot p.desc{font-size:.92rem;max-width:30em}
  .foot h5{color:var(--paper);font-size:.8rem;text-transform:uppercase;letter-spacing:.12em;margin-bottom:16px;font-weight:600}
  .foot ul{list-style:none;display:grid;gap:11px}
  .foot ul a{font-size:.92rem;transition:color .2s}
  .foot ul a:hover{color:var(--paper)}
  .foot-bottom{border-top:1px solid rgba(250,248,244,.12);padding-top:26px;display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:14px;font-size:.82rem}

  /* ---------- REVEAL ---------- */
  .reveal{opacity:0;transform:translateY(22px);transition:opacity .7s cubic-bezier(.2,.7,.2,1),transform .7s cubic-bezier(.2,.7,.2,1)}
  .reveal.in{opacity:1;transform:none}

  /* ---------- RESPONSIVE ---------- */
  @media(max-width:900px){
    .hero-grid,.price-grid,.form-grid{grid-template-columns:1fr;gap:44px}
    .hero-visual{max-width:440px;margin:0 auto;width:100%}
    .philo-grid{grid-template-columns:1fr}
    .philo-card{border-right:none!important}
    .philo-card:nth-last-child(2){border-bottom:1px solid var(--line)}
    .steps-grid{grid-template-columns:1fr;gap:30px}
    .steps-line{display:none}
    .foot-grid{grid-template-columns:1fr 1fr;gap:32px}
    .nav-links{display:none}
    .burger{display:flex}
    .nav-links.open{display:flex;position:absolute;top:70px;left:0;right:0;flex-direction:column;background:var(--paper);border-bottom:1px solid var(--line);padding:20px 28px;gap:20px}
  }
  @media(max-width:560px){
    .strip-inner{justify-content:flex-start;gap:16px 26px}
    .row2{grid-template-columns:1fr}
    .foot-grid{grid-template-columns:1fr}
    section.block{padding:76px 0}
    .card-price,.form-card{padding:30px 24px}
  }
  @media(prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}.reveal{opacity:1;transform:none}}

  /* ---------- PAGES INTERNES ---------- */
  .page-hero{padding:72px 0 8px;border-bottom:1px solid var(--line);background:var(--paper)}
  .page-hero .mono{color:var(--water);display:block;margin-bottom:16px}
  .page-hero h1{font-size:clamp(2.2rem,4.5vw,3.4rem);margin-bottom:18px;padding-bottom:44px}
  .page-hero p.intro{font-size:1.14rem;color:var(--ink-soft);max-width:34em;padding-bottom:48px;margin-top:-24px}
  .nav-links a.current{color:var(--ink)}
  .nav-links a.current::after{content:"";display:block;height:2px;background:var(--signal);border-radius:2px;margin-top:3px}
  section.block.first{padding-top:72px}