:root{
  /* Base blanc / noir net */
  --bg:#FFFFFF;
  --surface:#F5F6F8;
  --card:#FFFFFF;
  --ink:#0E1016;
  --muted:#5B6472;
  --line:#E3E6EB;
  --deep:#0E1016;
  /* Dégradé de marque IOTA (teal -> cyan -> bleu -> violet) */
  --g1:#12C6B6; --g2:#1E9DE6; --g3:#3D51E3; --g4:#8A28D6;
  --grad:linear-gradient(120deg,var(--g1),var(--g2) 34%,var(--g3) 64%,var(--g4));
  --grad-soft:linear-gradient(120deg,rgba(18,198,182,.12),rgba(61,81,227,.12) 60%,rgba(138,40,214,.12));
  --accent:#3D51E3;
}
*{box-sizing:border-box;margin:0;padding:0}
html{-webkit-font-smoothing:antialiased;scroll-behavior:smooth}
body{background:var(--bg);color:var(--ink);
  font-family:"Archivo",system-ui,sans-serif;line-height:1.6;font-weight:400}
body::before{content:"";display:block;height:4px;background:var(--grad)}
.wrap{max-width:1180px;margin:0 auto;padding:0 clamp(1.25rem,5vw,4rem)}
img{max-width:100%;display:block}

/* ---------- en-tête ---------- */
.bar{display:flex;align-items:center;justify-content:space-between;gap:1rem;
  padding:1.15rem 0;border-bottom:1px solid var(--line);flex-wrap:wrap}
.mark{display:inline-flex;align-items:center;text-decoration:none;color:inherit}
.logo{height:44px;width:auto}
.logo-foot{height:52px;width:auto}
.nav{display:flex;align-items:center;gap:clamp(.8rem,1.7vw,1.5rem);flex-wrap:wrap}
.nav a{font-size:.82rem;font-weight:500;color:var(--muted);text-decoration:none;transition:color .2s}
.nav a:hover,.nav a[aria-current="page"]{color:var(--ink)}
.nav .cta{color:#fff;background:var(--grad);padding:.62em 1.15em;white-space:nowrap;
  font-weight:600;background-size:140% 140%;transition:background-position .4s,transform .2s}
.nav .cta:hover{background-position:100% 0;color:#fff;transform:translateY(-1px)}

/* ---------- titres ---------- */
h1{font-weight:800;line-height:1.02;letter-spacing:-.022em;
  font-size:clamp(2.4rem,6vw,4.2rem)}
h2{font-weight:800;line-height:1.1;letter-spacing:-.015em;
  font-size:clamp(1.7rem,3.2vw,2.4rem)}
h3{font-weight:700;font-size:1.24rem;line-height:1.2;letter-spacing:-.01em}
.eyebrow{font-size:.72rem;letter-spacing:.18em;font-weight:600;
  text-transform:uppercase;color:var(--accent);margin-bottom:1.1rem}
.lede{margin-top:1.4rem;color:var(--muted);max-width:52ch;
  font-size:clamp(1rem,1.4vw,1.12rem)}
.grad-text,.hero h1 em{font-style:normal;
  background:var(--grad);-webkit-background-clip:text;background-clip:text;
  color:transparent}

/* ---------- hero ---------- */
.hero{padding:clamp(3rem,8vw,5.5rem) 0 clamp(2.4rem,5vw,3.4rem);max-width:42ch}
.hero-split{display:grid;grid-template-columns:1.05fr .95fr;gap:clamp(1.5rem,4vw,3.5rem);
  align-items:center;padding:clamp(2.4rem,6vw,4rem) 0 clamp(2rem,5vw,3rem);max-width:none}
.hero-split .figure{aspect-ratio:16/10;overflow:hidden;background:var(--surface)}
.hero-split .figure img{width:100%;height:100%;object-fit:cover}

/* ---------- sections ---------- */
section{padding:clamp(2.6rem,6vw,4.4rem) 0}
.sec-head{border-top:2px solid var(--ink);padding-top:1.4rem;margin-bottom:2rem;
  display:flex;align-items:baseline;justify-content:space-between;gap:1.5rem;flex-wrap:wrap}
.sec-head p{font-size:.86rem;color:var(--muted);max-width:44ch}

/* ---------- grille de cartes ---------- */
.grid{display:grid;gap:clamp(1.2rem,2.6vw,2rem)}
.g2{grid-template-columns:repeat(auto-fit,minmax(320px,1fr))}
.g3{grid-template-columns:repeat(auto-fit,minmax(260px,1fr))}
.card{background:var(--card);border:1px solid var(--line);
  display:flex;flex-direction:column;text-decoration:none;color:inherit;
  transition:border-color .3s ease,transform .3s ease,box-shadow .3s ease}
a.card:hover{border-color:transparent;transform:translateY(-3px);
  box-shadow:0 12px 30px rgba(14,16,22,.10)}
.card .figure{aspect-ratio:16/10;overflow:hidden;background:var(--surface)}
.card .figure img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
a.card:hover .figure img{transform:scale(1.04)}
.card-body{padding:1.2rem 1.25rem 1.4rem;flex:1;display:flex;flex-direction:column}
.card-body p{font-size:.88rem;color:var(--muted);margin-top:.5rem}
.card .go{margin-top:auto;padding-top:1rem;font-size:.78rem;letter-spacing:.04em;
  font-weight:600;color:var(--accent);transition:letter-spacing .3s}
a.card:hover .go{letter-spacing:.1em}

/* ---------- offres ---------- */
.offer{background:var(--card);border:1px solid var(--line);
  display:grid;grid-template-columns:.85fr 1.15fr;gap:0;overflow:hidden}
.offer:nth-child(even) .offer-fig{order:2}
.offer-fig{overflow:hidden;background:var(--surface);min-height:100%}
.offer-fig img{width:100%;height:100%;object-fit:cover;min-height:240px}
.offer-body{padding:clamp(1.5rem,3vw,2.4rem)}
.offer-body h3{font-size:1.5rem}
.offer-body > p{color:var(--muted);font-size:.92rem;margin-top:.7rem;max-width:46ch}
.cols{display:grid;grid-template-columns:1fr 1fr;gap:1.6rem;margin-top:1.5rem}
.col-h{font-size:.68rem;letter-spacing:.13em;color:var(--accent);font-weight:600;
  text-transform:uppercase;margin-bottom:.6rem}
.col ul,.col ol{list-style:none;font-size:.86rem;color:var(--muted)}
.col li{padding:.28rem 0 .28rem 1.1rem;position:relative}
.col ul li::before{content:"";position:absolute;left:0;top:.95em;
  width:6px;height:6px;border-radius:50%;background:var(--g3)}
.col ol{counter-reset:s}
.col ol li{counter-increment:s}
.col ol li::before{content:counter(s);position:absolute;left:0;top:.28rem;
  font-size:.72rem;font-weight:700;color:var(--accent)}
.next{margin-top:1.6rem;padding-top:1.1rem;border-top:1px solid var(--line);
  display:flex;align-items:baseline;justify-content:space-between;gap:1rem;flex-wrap:wrap}
.next b{font-size:.72rem;letter-spacing:.1em;color:var(--muted);
  text-transform:uppercase;font-weight:600}
.link{font-size:.86rem;color:var(--accent);text-decoration:none;font-weight:600;
  display:inline-flex;gap:.4em;transition:gap .2s}
.link:hover{gap:.75em}

/* ---------- listes problèmes / solutions ---------- */
.two{display:grid;grid-template-columns:1fr 1fr;gap:clamp(1.5rem,4vw,3rem)}
.pain{list-style:none}
.pain li{padding:.7rem 0 .7rem 1.7rem;border-bottom:1px solid var(--line);
  position:relative;font-size:.92rem;color:var(--muted)}
.pain li::before{content:"";position:absolute;left:0;top:1.15em;width:10px;height:2px;
  background:var(--muted)}
.pain li:last-child{border-bottom:0}
.sol li::before{content:"";width:8px;height:8px;border-radius:50%;top:1em;
  background:var(--grad)}
.sol li{color:var(--ink)}

/* ---------- étapes ---------- */
.steps{list-style:none;counter-reset:st;display:grid;gap:0}
.steps li{counter-increment:st;display:grid;grid-template-columns:auto 1fr;
  gap:1.3rem;padding:1.2rem 0;border-bottom:1px solid var(--line);align-items:baseline}
.steps li::before{content:counter(st,decimal-leading-zero);
  font-weight:800;font-size:1.05rem;
  background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.steps h3{font-size:1.05rem;font-weight:700}
.steps p{font-size:.88rem;color:var(--muted);margin-top:.2rem}

/* ---------- exemple concret ---------- */
.case{background:var(--deep);color:#fff;
  display:grid;grid-template-columns:1fr 1fr;gap:0;overflow:hidden;position:relative}
.case::before{content:"";position:absolute;top:0;left:0;right:0;height:3px;background:var(--grad);z-index:2}
.case .figure{overflow:hidden;min-height:260px}
.case .figure img{width:100%;height:100%;object-fit:cover;opacity:.8}
.case-body{padding:clamp(1.6rem,3.4vw,2.6rem)}
.case-body .eyebrow{color:var(--g1)}
.case-body h3{color:#fff;font-size:1.4rem}
.case-body p{color:#B9C0CC;font-size:.92rem;margin-top:.8rem}
.case-body dl{display:grid;grid-template-columns:auto 1fr;gap:.4rem 1.2rem;
  margin-top:1.4rem;font-size:.84rem}
.case-body dt{color:var(--g2);letter-spacing:.04em;font-weight:600}
.case-body dd{color:#fff}

/* ---------- appel à l'action ---------- */
.cta-block{background:var(--surface);border:1px solid var(--line);position:relative;
  padding:clamp(1.8rem,4vw,3rem);display:grid;grid-template-columns:1.2fr .8fr;
  gap:clamp(1.5rem,3vw,2.5rem);align-items:center;overflow:hidden}
.cta-block::before{content:"";position:absolute;top:0;left:0;bottom:0;width:4px;background:var(--grad)}
.cta-block h2{max-width:20ch}
.cta-block p{color:var(--muted);margin-top:.9rem;max-width:46ch;font-size:.95rem}
.btn{display:inline-flex;align-items:center;gap:.6em;background:var(--grad);
  background-size:140% 140%;color:#fff;text-decoration:none;padding:.95em 1.7em;
  font-size:.88rem;font-weight:600;letter-spacing:.01em;
  transition:background-position .4s,gap .25s,transform .2s;border:0;cursor:pointer;
  font-family:inherit}
.btn:hover{background-position:100% 0;gap:.95em;transform:translateY(-1px)}
.btn-ghost{background:none;color:var(--ink);border:1.5px solid var(--ink)}
.btn-ghost:hover{background:var(--ink);color:#fff;transform:translateY(-1px)}
.cta-side{font-size:.84rem;color:var(--muted)}
.cta-side b{display:block;color:var(--ink);font-weight:700;margin-bottom:.3rem}

/* ---------- formulaire ---------- */
.form{display:grid;gap:1.2rem;max-width:640px}
.field{display:grid;gap:.4rem}
.field label{font-size:.74rem;letter-spacing:.08em;color:var(--muted);
  text-transform:uppercase;font-weight:600}
.field input,.field select,.field textarea{
  font-family:inherit;font-size:.95rem;color:var(--ink);background:var(--bg);
  border:1px solid var(--line);padding:.8em .9em;width:100%;border-radius:0}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--g3);box-shadow:0 0 0 3px rgba(61,81,227,.14)}
.field textarea{min-height:120px;resize:vertical}
.field .help{font-size:.78rem;color:var(--muted)}
.row2{display:grid;grid-template-columns:1fr 1fr;gap:1.2rem}
.msg{padding:1rem 1.2rem;border-left:4px solid var(--g3);background:var(--surface);
  font-size:.9rem;margin-bottom:1.5rem}
.msg.err{border-color:#D0402E;color:#9E2E20}

/* ---------- pied ---------- */
footer{background:var(--deep);color:#fff;margin-top:3rem;position:relative}
footer::before{content:"";position:absolute;top:0;left:0;right:0;height:3px;background:var(--grad)}
.foot{display:grid;grid-template-columns:1.3fr 1fr 1fr;gap:2rem;
  padding:3rem 0 1.8rem}
.foot h4{font-size:.68rem;letter-spacing:.13em;color:var(--g2);
  text-transform:uppercase;margin-bottom:.8rem;font-weight:600}
.foot a{display:block;font-size:.86rem;color:#AEB6C2;
  text-decoration:none;padding:.22rem 0;transition:color .2s}
.foot a:hover{color:#fff}
.foot p{font-size:.88rem;color:#AEB6C2;max-width:34ch;margin-top:.9rem}
.legal{display:flex;justify-content:space-between;gap:1rem;flex-wrap:wrap;
  padding:1.2rem 0 2.4rem;border-top:1px solid rgba(255,255,255,.12);
  font-size:.75rem;color:#8A93A1}

@media(max-width:900px){
  .offer,.case,.cta-block,.two,.hero-split{grid-template-columns:1fr}
  .offer:nth-child(even) .offer-fig{order:0}
  .cta-block::before{width:100%;height:4px;bottom:auto}
  .foot{grid-template-columns:1fr 1fr}
}
@media(max-width:600px){
  .cols,.row2{grid-template-columns:1fr}
  .foot{grid-template-columns:1fr}
  .nav{gap:.7rem}
  .nav a:not(.cta){font-size:.76rem}
  .logo{height:38px}
}
@media(prefers-reduced-motion:reduce){*{transition:none!important;animation:none!important}}

/* ---------- accueil : accroche + galerie d'atouts ---------- */
.hero-home{display:grid;grid-template-columns:1.02fr .98fr;gap:clamp(1.5rem,4vw,3.5rem);
  align-items:center;padding:clamp(2.6rem,7vw,5rem) 0 clamp(2.2rem,5vw,3.4rem)}
.hero-copy{max-width:46ch}
.hero-actions{margin-top:2rem;display:flex;gap:.6rem;flex-wrap:wrap}
.value-gallery{display:grid;grid-template-columns:1fr 1fr;gap:clamp(.7rem,1.3vw,1rem)}
.vtile{position:relative;overflow:hidden;text-decoration:none;color:#fff;
  aspect-ratio:1/1;background:var(--surface);display:block}
.vtile-wide{grid-column:1/-1;aspect-ratio:16/9}
.vtile img{width:100%;height:100%;object-fit:cover;transition:transform .6s ease}
.vtile:hover img{transform:scale(1.05)}
.vtile::after{content:"";position:absolute;inset:0;
  background:linear-gradient(to top,rgba(14,16,22,.86),rgba(14,16,22,.18) 55%,rgba(14,16,22,0))}
.vcap{position:absolute;left:0;right:0;bottom:0;padding:1rem 1.05rem;z-index:2}
.vmark{display:block;width:24px;height:3px;background:var(--grad);margin-bottom:.55rem}
.vcap b{display:block;font-size:.98rem;font-weight:700;line-height:1.18;letter-spacing:-.01em;color:#fff}
.vtile-wide .vcap b{font-size:1.2rem}
.vsub{display:block;font-size:.76rem;color:#C4CAD3;margin-top:.28rem;font-weight:400;line-height:1.35}
a.vtile:hover .vmark{width:40px;transition:width .3s ease}
@media(max-width:900px){
  .hero-home{grid-template-columns:1fr}
}
@media(max-width:420px){
  .value-gallery{grid-template-columns:1fr}
  .vtile{aspect-ratio:16/9}
}

/* ---------- pages légales ---------- */
.legal-body{max-width:760px;padding-bottom:clamp(3rem,7vw,5rem)}
.legal-body h2{font-size:1.3rem;margin:2.2rem 0 .6rem}
.legal-body h2:first-child{margin-top:0}
.legal-body p{color:var(--muted);margin-bottom:.9rem;font-size:.95rem;line-height:1.7}
.legal-body b{color:var(--ink);font-weight:600}
.legal-list{list-style:none;margin:0 0 .9rem;color:var(--muted);font-size:.95rem}
.legal-list li{padding:.25rem 0 .25rem 1.1rem;position:relative}
.legal-list li::before{content:"";position:absolute;left:0;top:.9em;width:6px;height:6px;border-radius:50%;background:var(--grad)}
.legal-body .ln,.legal-body a{color:var(--accent);text-decoration:underline;text-underline-offset:2px}
.legal a{color:#AEB6C2;text-decoration:underline;text-underline-offset:2px}
.legal a:hover{color:#fff}