:root{
  --navy:#12233d;
  --navy-2:#0c1830;
  --blue:#3d63f5;
  --blue-dark:#2b4cd7;
  --blue-soft:#eef2fe;
  --ink:#1a2740;
  --muted:#5b6b85;
  --line:#e4e9f2;
  --bg:#ffffff;
  --bg-alt:#f7f9fc;
  --radius:16px;
  --shadow-sm:0 1px 2px rgba(18,35,61,.06);
  --shadow-md:0 6px 24px -8px rgba(18,35,61,.14);
  --shadow-lg:0 20px 48px -16px rgba(18,35,61,.22);
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation:none!important;transition:none!important}
}
body{
  font-family:'Inter',-apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif;
  color:var(--ink);
  background:var(--bg);
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
::selection{background:var(--blue);color:#fff}
a{color:inherit;text-decoration:none}
img,svg{display:block;max-width:100%}
.container{max-width:1120px;margin:0 auto;padding:0 24px}
section{scroll-margin-top:88px}

/* ---------- header ---------- */
.header{
  position:fixed;inset:0 0 auto 0;z-index:100;
  background:rgba(255,255,255,.82);
  -webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);
  border-bottom:1px solid transparent;
  transition:border-color .25s,background .25s;
}
.header.scrolled{border-bottom-color:var(--line);background:rgba(255,255,255,.92)}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:68px}
.brand{display:flex;align-items:center;gap:10px;font-weight:700;font-size:19px;letter-spacing:-.02em;color:var(--navy)}
.brand-mark{width:32px;height:32px;border-radius:8px;flex:none}
.nav{display:flex;align-items:center;gap:28px}
.nav a.link{font-size:15px;font-weight:500;color:var(--muted);position:relative;transition:color .2s;white-space:nowrap}
.nav a.link::after{
  content:"";position:absolute;left:0;bottom:-4px;height:2px;width:100%;
  background:var(--blue);border-radius:2px;
  transform:scaleX(0);transform-origin:left;transition:transform .25s cubic-bezier(.4,0,.2,1);
}
.nav a.link:hover{color:var(--navy)}
.nav a.link:hover::after{transform:scaleX(1)}
.nav a.link.active{color:var(--navy);font-weight:600}
.nav a.link.active::after{transform:scaleX(1)}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  font-weight:600;font-size:15px;line-height:1;
  padding:14px 24px;border-radius:10px;cursor:pointer;white-space:nowrap;
  border:none;font-family:inherit;
  transition:transform .18s cubic-bezier(.4,0,.2,1),box-shadow .18s,background .18s,color .18s,opacity .18s;
}
.btn:active{transform:translateY(0) scale(.98)}
.btn-primary{background:var(--blue);color:#fff;box-shadow:var(--shadow-sm)}
.btn-primary:hover{background:var(--blue-dark);transform:translateY(-2px);box-shadow:0 10px 24px -8px rgba(61,99,245,.5)}
.btn-primary:disabled{opacity:.6;transform:none;cursor:default}
.btn-ghost{color:var(--navy);background:transparent;border:1px solid var(--line)}
.btn-ghost:hover{border-color:var(--navy);transform:translateY(-2px)}
.btn-light{background:#fff;color:var(--navy)}
.btn-light:hover{transform:translateY(-2px);box-shadow:0 10px 24px -8px rgba(0,0,0,.35)}
.btn-sm{padding:10px 18px;font-size:14px}
.btn .arr{transition:transform .18s}
.btn:hover .arr{transform:translateX(3px)}
a:focus-visible,.btn:focus-visible{outline:2px solid var(--blue);outline-offset:3px;border-radius:6px}

/* ---------- reveal ---------- */
.reveal{opacity:0;transform:translateY(22px);transition:opacity .6s cubic-bezier(.22,.61,.36,1),transform .6s cubic-bezier(.22,.61,.36,1)}
.reveal.in{opacity:1;transform:none}
.reveal.d1{transition-delay:.08s}.reveal.d2{transition-delay:.16s}.reveal.d3{transition-delay:.24s}

/* ---------- hero (home) ---------- */
.hero{
  position:relative;overflow:hidden;
  padding:160px 0 96px;
  background:
    radial-gradient(900px 480px at 85% -10%,rgba(61,99,245,.10),transparent 60%),
    radial-gradient(700px 420px at -10% 30%,rgba(61,99,245,.06),transparent 60%),
    var(--bg);
}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:64px;align-items:center}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:600;letter-spacing:.01em;
  color:var(--blue);background:var(--blue-soft);
  border:1px solid rgba(61,99,245,.18);
  padding:7px 14px;border-radius:999px;margin-bottom:24px;
}
.eyebrow .dot{width:6px;height:6px;border-radius:50%;background:var(--blue);animation:pulse 2.4s ease-in-out infinite}
@keyframes pulse{0%,100%{opacity:1;transform:scale(1)}50%{opacity:.4;transform:scale(.75)}}
h1{
  font-size:clamp(38px,5.4vw,60px);font-weight:800;letter-spacing:-.035em;line-height:1.06;
  color:var(--navy);margin-bottom:24px;
}
h1 .accent{color:var(--blue)}
p.lede{font-size:18px;color:var(--muted);max-width:34em;margin-bottom:36px}
.hero-ctas{display:flex;gap:14px;flex-wrap:wrap;align-items:center}

/* hero diagram */
.diagram{
  background:#fff;border:1px solid var(--line);border-radius:20px;
  box-shadow:var(--shadow-lg);padding:28px;
}
.diagram svg{width:100%;height:auto}
.flow{stroke:var(--blue);stroke-width:2;fill:none;stroke-linecap:round;stroke-dasharray:6 8;animation:flow 1.6s linear infinite;opacity:.85}
@keyframes flow{to{stroke-dashoffset:-14}}
.node-label{font:600 12px 'Inter',sans-serif;fill:var(--navy)}
.node-sub{font:500 10px 'Inter',sans-serif;fill:var(--muted)}

/* ---------- page hero (sous-pages) ---------- */
.page-hero{
  position:relative;overflow:hidden;
  padding:150px 0 72px;
  background:
    radial-gradient(800px 420px at 90% -10%,rgba(61,99,245,.10),transparent 60%),
    var(--bg);
}
.page-hero .lede{margin-bottom:32px}

/* ---------- sections communes ---------- */
.section{padding:96px 0}
.section-alt{background:var(--bg-alt)}
.kicker{font-size:13px;font-weight:700;letter-spacing:.12em;text-transform:uppercase;color:var(--blue);margin-bottom:14px}
h2{font-size:clamp(28px,3.6vw,40px);font-weight:800;letter-spacing:-.03em;line-height:1.12;color:var(--navy);margin-bottom:18px}
.sub{font-size:17px;color:var(--muted);max-width:38em}

/* ---------- cards / offres ---------- */
.offers{display:grid;grid-template-columns:1fr 1fr;gap:24px;margin-top:56px}
.card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:36px;position:relative;overflow:hidden;
  transition:transform .25s cubic-bezier(.22,.61,.36,1),box-shadow .25s,border-color .25s;
}
.card::before{
  content:"";position:absolute;inset:0 0 auto 0;height:3px;
  background:linear-gradient(90deg,var(--blue),#7b95f8);
  transform:scaleX(0);transform-origin:left;transition:transform .3s cubic-bezier(.22,.61,.36,1);
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:rgba(61,99,245,.35)}
.card:hover::before{transform:scaleX(1)}
.card h3{font-size:23px;font-weight:700;letter-spacing:-.02em;color:var(--navy);margin:12px 0 12px}
.card p{color:var(--muted);font-size:15.5px;margin-bottom:24px}
.card .more{font-weight:600;font-size:15px;color:var(--blue);display:inline-flex;align-items:center;gap:6px}
.card .more .arr{transition:transform .18s}
.card:hover .more .arr{transform:translateX(4px)}

/* ---------- dark section ---------- */
.dark{
  background:
    radial-gradient(800px 400px at 90% 0%,rgba(61,99,245,.16),transparent 55%),
    var(--navy);
  color:#fff;
}
.dark h2{color:#fff}
.dark .sub{color:rgba(255,255,255,.72)}
.constat-grid{display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:start}
.constat-points{display:grid;gap:16px}
.point{
  display:flex;gap:14px;align-items:flex-start;
  background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.1);
  border-radius:12px;padding:18px 20px;
  transition:background .2s,border-color .2s;
}
.point:hover{background:rgba(255,255,255,.08);border-color:rgba(255,255,255,.2)}
.point .ic{flex:none;width:34px;height:34px;border-radius:9px;background:rgba(61,99,245,.25);display:grid;place-items:center}
.point .ic svg{width:17px;height:17px;stroke:#9db4ff;stroke-width:2;fill:none;stroke-linecap:round;stroke-linejoin:round}
.point b{display:block;font-size:15px;margin-bottom:2px}
.point span{font-size:14px;color:rgba(255,255,255,.65)}

/* ---------- steps (horizontaux) ---------- */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:56px}
.step{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:32px;
  position:relative;transition:transform .25s cubic-bezier(.22,.61,.36,1),box-shadow .25s,border-color .25s;
}
.step:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:rgba(61,99,245,.35)}
.step .num{
  width:40px;height:40px;border-radius:12px;display:grid;place-items:center;
  background:var(--blue-soft);color:var(--blue);font-weight:700;font-size:16px;margin-bottom:20px;
  transition:background .25s,color .25s,transform .25s;
}
.step:hover .num{background:var(--blue);color:#fff;transform:scale(1.06)}
.step h3{font-size:18px;font-weight:700;letter-spacing:-.01em;color:var(--navy);margin-bottom:10px}
.step p{font-size:15px;color:var(--muted)}
.assurance{
  margin-top:40px;display:flex;gap:14px;align-items:flex-start;
  background:var(--blue-soft);border:1px solid rgba(61,99,245,.18);
  border-radius:var(--radius);padding:24px 28px;
}
.assurance .ic{flex:none;width:38px;height:38px;border-radius:10px;background:var(--blue);display:grid;place-items:center}
.assurance .ic svg{width:19px;height:19px;stroke:#fff;stroke-width:2;fill:none;stroke-linecap:round;stroke-linejoin:round}
.assurance p{font-size:15px;color:var(--ink)}
.assurance b{color:var(--navy)}

/* ---------- timeline verticale (setup) ---------- */
.timeline{position:relative;margin-top:56px;display:grid;gap:0}
.tl-item{
  position:relative;display:grid;grid-template-columns:56px 1fr;gap:24px;
  padding-bottom:40px;
}
.tl-item:last-child{padding-bottom:0}
.tl-item::before{
  content:"";position:absolute;left:27px;top:56px;bottom:8px;width:2px;
  background:linear-gradient(var(--blue) 0%,rgba(61,99,245,.15) 100%);
}
.tl-item:last-child::before{display:none}
.tl-num{
  width:56px;height:56px;border-radius:16px;display:grid;place-items:center;flex:none;
  background:var(--blue-soft);color:var(--blue);font-weight:800;font-size:20px;
  border:1px solid rgba(61,99,245,.2);
  transition:background .25s,color .25s,transform .25s;
}
.tl-item:hover .tl-num{background:var(--blue);color:#fff;transform:scale(1.05)}
.tl-body h3{font-size:20px;font-weight:700;letter-spacing:-.015em;color:var(--navy);margin:4px 0 8px}
.tl-body p{font-size:15.5px;color:var(--muted);max-width:44em}
.tl-tag{
  display:inline-block;font-size:12.5px;font-weight:600;color:var(--blue);
  background:var(--blue-soft);border-radius:999px;padding:3px 12px;margin-bottom:6px;
}

/* ---------- features ---------- */
.offer-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:64px;align-items:start}
.offer-grid.flip{grid-template-columns:1.1fr .9fr}
.feature-list{display:grid;gap:14px}
.feature{
  display:flex;gap:16px;align-items:flex-start;
  background:#fff;border:1px solid var(--line);border-radius:12px;padding:20px 22px;
  transition:transform .2s,box-shadow .2s,border-color .2s;
}
.feature:hover{transform:translateX(4px);border-color:rgba(61,99,245,.35);box-shadow:var(--shadow-sm)}
.feature .ic{flex:none;width:36px;height:36px;border-radius:10px;background:var(--blue-soft);display:grid;place-items:center}
.feature .ic svg{width:18px;height:18px;stroke:var(--blue);stroke-width:2;fill:none;stroke-linecap:round;stroke-linejoin:round}
.feature b{display:block;font-size:15.5px;color:var(--navy);margin-bottom:3px}
.feature span{font-size:14.5px;color:var(--muted)}
.offer-cta{margin-top:28px}

/* grille 3 features en cartes */
.feature-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:56px}
.feature-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:32px;
  transition:transform .25s cubic-bezier(.22,.61,.36,1),box-shadow .25s,border-color .25s;
}
.feature-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:rgba(61,99,245,.35)}
.feature-card .ic{width:44px;height:44px;border-radius:12px;background:var(--blue-soft);display:grid;place-items:center;margin-bottom:20px}
.feature-card .ic svg{width:21px;height:21px;stroke:var(--blue);stroke-width:2;fill:none;stroke-linecap:round;stroke-linejoin:round}
.feature-card h3{font-size:18px;font-weight:700;letter-spacing:-.01em;color:var(--navy);margin-bottom:10px}
.feature-card p{font-size:15px;color:var(--muted)}

/* ---------- formulaire ---------- */
.form-wrap{display:grid;grid-template-columns:.85fr 1.15fr;gap:64px;align-items:start}
.form-card{
  background:#fff;border:1px solid var(--line);border-radius:20px;
  box-shadow:var(--shadow-md);padding:40px;
}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.field{display:flex;flex-direction:column;gap:6px}
.field.full{grid-column:1/-1}
.field label{font-size:13.5px;font-weight:600;color:var(--navy)}
.field label .opt{font-weight:500;color:var(--muted)}
.field input,.field select,.field textarea{
  font-family:inherit;font-size:15px;color:var(--ink);
  background:#fff;border:1px solid var(--line);border-radius:10px;
  padding:12px 14px;width:100%;
  transition:border-color .2s,box-shadow .2s;
}
.field textarea{resize:vertical;min-height:110px}
.field input:hover,.field select:hover,.field textarea:hover{border-color:#c3cde0}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--blue);box-shadow:0 0 0 3px rgba(61,99,245,.15);
}
.field select{appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%235b6b85' stroke-width='2' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 14px center;padding-right:38px}
.hp{position:absolute;left:-9999px;opacity:0;height:0;overflow:hidden}
.form-actions{grid-column:1/-1;display:flex;align-items:center;gap:16px;flex-wrap:wrap;margin-top:6px}
.form-status{font-size:14.5px;font-weight:500}
.form-status.ok{color:#0e7a4d}
.form-status.err{color:#c0392b}
.form-side .kicker{margin-bottom:14px}
.form-side ul{list-style:none;display:grid;gap:12px;margin-top:24px}
.form-side li{display:flex;gap:10px;align-items:flex-start;font-size:15px;color:var(--muted)}
.form-side li svg{flex:none;width:18px;height:18px;stroke:var(--blue);stroke-width:2.5;fill:none;stroke-linecap:round;stroke-linejoin:round;margin-top:3px}
.form-side b{color:var(--navy)}

/* ---------- captures produit ---------- */
.shot{background:#fff;border:1px solid var(--line);border-radius:14px;box-shadow:var(--shadow-lg);overflow:hidden}
.shot-bar{display:flex;align-items:center;gap:6px;padding:11px 14px;background:#f1f4f9;border-bottom:1px solid var(--line);position:relative}
.shot-bar .d{width:9px;height:9px;border-radius:50%}
.shot-bar .d:nth-child(1){background:#f2705f}
.shot-bar .d:nth-child(2){background:#f5bd4f}
.shot-bar .d:nth-child(3){background:#65c466}
.shot-bar .url{position:absolute;left:50%;transform:translateX(-50%);font-size:11.5px;font-weight:500;color:var(--muted);background:#fff;border:1px solid var(--line);border-radius:6px;padding:2px 14px;line-height:1.5}
.shot img{display:block;width:100%;height:auto;aspect-ratio:16/9;object-fit:cover;object-position:top}
.shot img.full{aspect-ratio:auto}
.shot-tilt{transform:perspective(1400px) rotateY(-7deg) rotateX(1.5deg);transition:transform .55s cubic-bezier(.22,.61,.36,1)}
.shot-tilt:hover{transform:perspective(1400px) rotateY(0) rotateX(0)}
.product-shot{max-width:960px;margin:56px auto 0}
.dark .shot{border-color:rgba(255,255,255,.14)}
.dark .shot-bar{background:#0f1e35;border-color:rgba(255,255,255,.08)}
.dark .shot-bar .url{background:rgba(255,255,255,.07);border-color:rgba(255,255,255,.12);color:rgba(255,255,255,.6)}
.center{text-align:center}
.center .sub{margin-left:auto;margin-right:auto}

/* ---------- CTA ---------- */
.cta{
  background:
    radial-gradient(700px 360px at 15% 10%,rgba(61,99,245,.22),transparent 55%),
    linear-gradient(160deg,var(--navy),var(--navy-2));
  color:#fff;text-align:center;padding:104px 0;
}
.cta h2{color:#fff;margin-bottom:16px}
.cta p{color:rgba(255,255,255,.72);max-width:36em;margin:0 auto 36px;font-size:17px}
.cta .mail{display:block;margin-top:22px;font-size:14px;color:rgba(255,255,255,.55)}
.cta .mail a{color:rgba(255,255,255,.85);border-bottom:1px solid rgba(255,255,255,.3);transition:color .2s,border-color .2s}
.cta .mail a:hover{color:#fff;border-color:#fff}

/* ---------- footer ---------- */
.footer{background:var(--navy-2);color:rgba(255,255,255,.6);padding:48px 0}
.footer-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap}
.footer .brand{color:#fff}
.footer a{transition:color .2s}
.footer a:hover{color:#fff}
.footer .fine{font-size:13.5px}

/* ---------- responsive ---------- */
@media (max-width:960px){
  .hero{padding:132px 0 72px}
  .page-hero{padding:124px 0 56px}
  .hero-grid,.constat-grid,.offer-grid,.offer-grid.flip,.form-wrap{grid-template-columns:1fr;gap:44px}
  .steps,.feature-cards{grid-template-columns:1fr}
  .offers{grid-template-columns:1fr}
  .form-grid{grid-template-columns:1fr}
  .nav a.link{display:none}
  .section{padding:72px 0}
  .form-card{padding:28px}
  .shot-tilt{transform:none}
}