:root{
  --bg:#0D0A0C;
  --bg-soft:#151013;
  --panel:#171114;
  --line:rgba(255,255,255,.10);
  --line-strong:rgba(255,255,255,.28);
  --text:#EFE9EC;
  --muted:#ABA1A7;
  --amarante:#E52B50;
  --amarante-deep:#9F2B68;
  --amarante-btn:#C81E45;
  --amarante-hover:#D42147;
  --amarante-soft:#FF7B93;
  --paper:#F4EEF1;
  --paper-line:#DCD2D7;
  --ink:#1A1216;
  --ink-muted:#5E5058;
  --radius:14px;
  --w:1160px;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{transition:none!important;animation:none!important}
}
html,body{overflow-x:clip}
body{
  font-family:system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
  background:var(--bg);
  color:var(--text);
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
}
::selection{background:var(--amarante);color:#fff}
a{color:var(--amarante-soft);text-decoration:none}
a:hover{text-decoration:underline}
:focus-visible{outline:3px solid var(--amarante-soft);outline-offset:3px;border-radius:4px}
img,svg{max-width:100%;height:auto}
.skip-link{
  position:absolute;left:-9999px;top:0;z-index:100;
  background:var(--amarante-btn);color:#fff;padding:.75rem 1.25rem;font-weight:700;border-radius:0 0 8px 0;
}
.skip-link:focus{left:0}
.wrap{max-width:var(--w);margin:0 auto;padding:0 clamp(1.25rem,4vw,2.5rem)}
section{scroll-margin-top:5.5rem}

/* ---------- Header ---------- */
.site-header{
  position:sticky;top:0;z-index:50;
  background:rgba(13,10,12,.82);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  border-bottom:1px solid var(--line);
}
.nav{
  display:flex;align-items:center;justify-content:space-between;gap:1rem;
  height:4.25rem;
}
.brand{
  display:flex;align-items:baseline;gap:.15rem;
  font-weight:900;font-size:1.3rem;letter-spacing:.04em;color:var(--text);
  text-transform:uppercase;
}
.brand:hover{text-decoration:none}
.brand .dot{color:var(--amarante);font-size:1.5rem;line-height:0}
.nav-links{display:flex;gap:clamp(1rem,2.5vw,2rem);list-style:none}
.nav-links a{
  color:var(--muted);font-size:.92rem;font-weight:600;letter-spacing:.02em;
}
.nav-links a:hover,.nav-links a:focus-visible{color:var(--text);text-decoration:underline;text-underline-offset:.35em;text-decoration-color:var(--amarante)}
.btn{
  display:inline-flex;align-items:center;gap:.6rem;
  background:var(--amarante-btn);color:#fff;
  font-weight:700;font-size:1rem;letter-spacing:.01em;
  padding:.8rem 1.5rem;border-radius:999px;
  transition:background .18s ease,transform .18s ease;
  white-space:nowrap;
}
.btn:hover{background:var(--amarante-hover);text-decoration:none;transform:translateY(-1px)}
.btn svg{flex:none}
.btn-nav{padding:.55rem 1.15rem;font-size:.9rem}
.btn-ghost{
  background:transparent;border:1px solid var(--line-strong);color:var(--text);
}
.btn-ghost:hover{background:rgba(255,255,255,.06);border-color:var(--text)}
/* Navigation compacte toujours visible sur mobile : aucun JavaScript sur ce
   site (CSP sans script-src), donc pas de menu burger — les liens passent
   sous la marque et se replient si nécessaire. */
@media (max-width:760px){
  .nav{height:auto;flex-wrap:wrap;padding:.7rem 0 .55rem;row-gap:.1rem}
  .nav > nav{width:100%;order:3}
  .nav-links{flex-wrap:wrap;gap:.15rem 1.4rem}
  .nav-links a{display:inline-block;padding:.35rem 0;font-size:.9rem}
  .btn-nav{padding:.45rem .95rem;font-size:.85rem}
  section{scroll-margin-top:8.75rem}
}

/* ---------- Hero ---------- */
.hero{
  position:relative;
  padding:clamp(4.5rem,10vw,8.5rem) 0 clamp(3rem,7vw,5.5rem);
  overflow:hidden;
  background:
    radial-gradient(60rem 32rem at 85% -10%,rgba(159,43,104,.28),transparent 60%),
    radial-gradient(48rem 30rem at -15% 110%,rgba(229,43,80,.14),transparent 60%),
    var(--bg);
}
.hero-ghost{
  position:absolute;right:-2%;bottom:-.18em;z-index:0;
  font-size:clamp(6rem,19vw,17rem);font-weight:900;letter-spacing:-.02em;
  color:rgba(255,255,255,.045);
  user-select:none;pointer-events:none;line-height:1;
}
@supports (-webkit-text-stroke:1px red){
  .hero-ghost{color:transparent;-webkit-text-stroke:1px rgba(255,255,255,.07)}
}
.hero-art{
  position:absolute;right:-1%;top:7%;z-index:0;
  width:min(38vw,500px);opacity:.16;pointer-events:none;
}
@media (max-width:900px){.hero-art{display:none}}
.hero-inner{position:relative;z-index:1;max-width:56rem}
.eyebrow{
  display:inline-flex;align-items:center;gap:.6rem;
  font-size:.8rem;font-weight:700;letter-spacing:.18em;text-transform:uppercase;
  color:var(--amarante-soft);margin-bottom:1.5rem;
}
.eyebrow::before{content:"";width:2.25rem;height:2px;background:var(--amarante);flex:none}
h1{
  font-size:clamp(2.6rem,7vw,5.6rem);
  line-height:1.02;letter-spacing:-.03em;font-weight:900;
  margin-bottom:1.5rem;text-wrap:balance;
}
h1 em{font-style:normal;color:var(--amarante)}
.hero-sub{
  font-size:clamp(1.05rem,1.8vw,1.3rem);color:var(--muted);
  max-width:42rem;margin-bottom:2.25rem;
}
.hero-sub strong{color:var(--text);font-weight:600}
.hero-ctas{display:flex;flex-wrap:wrap;gap:1rem;align-items:center}
.hero-note{
  margin-top:2.5rem;font-size:.85rem;color:var(--muted);
  display:flex;align-items:center;gap:.6rem;
}
.hero-note svg{flex:none;color:var(--amarante-soft)}

/* ---------- Bande secteurs ---------- */
.sectors{
  border-top:1px solid var(--line);border-bottom:1px solid var(--line);
  background:var(--bg-soft);
  padding:1.1rem 0;
}
.sectors ul{
  list-style:none;display:flex;flex-wrap:wrap;gap:.5rem 0;
  justify-content:center;align-items:center;
  font-size:.78rem;font-weight:700;letter-spacing:.16em;text-transform:uppercase;
  color:var(--muted);
}
.sectors li{display:flex;align-items:center}
.sectors li+li::before{
  content:"";width:.35rem;height:.35rem;background:var(--amarante);
  transform:rotate(45deg);margin:0 1.1rem;flex:none;
}

/* ---------- Sections communes ---------- */
.section{padding:clamp(4rem,9vw,7rem) 0}
.section-head{margin-bottom:clamp(2.5rem,5vw,4rem);max-width:46rem}
.kicker{
  font-size:.8rem;font-weight:700;letter-spacing:.18em;text-transform:uppercase;
  color:var(--amarante-soft);display:block;margin-bottom:1rem;
}
h2{
  font-size:clamp(2rem,4.6vw,3.5rem);
  line-height:1.06;letter-spacing:-.025em;font-weight:900;text-wrap:balance;
}
.section-head p{margin-top:1.25rem;color:var(--muted);font-size:1.08rem;max-width:40rem}

/* ---------- Services ---------- */
.cards{
  display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:1.25rem;
}
@media (max-width:860px){.cards{grid-template-columns:1fr}}
.card{
  position:relative;
  background:var(--panel);
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:clamp(1.5rem,3vw,2.25rem);
  transition:border-color .18s ease,transform .18s ease;
  overflow:hidden;
}
.card:hover{border-color:var(--amarante);transform:translateY(-3px)}
.card-num{
  position:absolute;top:.5rem;right:1.1rem;
  font-size:3.6rem;font-weight:900;letter-spacing:-.03em;
  color:rgba(255,255,255,.07);
  line-height:1;user-select:none;
}
@supports (-webkit-text-stroke:1px red){
  .card-num{color:transparent;-webkit-text-stroke:1px rgba(255,255,255,.13)}
}
.card-icon{
  width:3rem;height:3rem;border-radius:10px;
  display:flex;align-items:center;justify-content:center;
  background:rgba(229,43,80,.12);color:var(--amarante-soft);
  margin-bottom:1.4rem;
}
.card h3{font-size:1.3rem;font-weight:800;letter-spacing:-.01em;margin-bottom:.7rem}
.card p{color:var(--muted);font-size:.98rem}
.card ul{
  margin-top:1rem;list-style:none;display:flex;flex-wrap:wrap;gap:.45rem;
}
.card ul li{
  font-size:.76rem;font-weight:600;letter-spacing:.04em;
  border:1px solid var(--line-strong);border-radius:999px;
  padding:.28rem .7rem;color:var(--text);
}
.card-wide{grid-column:1/-1;border-color:var(--line-strong)}
.card-wide h3{font-size:1.45rem}
.card-wide>p:first-of-type{max-width:62ch}
.card-foot{
  margin-top:1.2rem;padding-top:1rem;border-top:1px solid var(--line);
  font-size:.85rem;color:var(--muted);
}

/* ---------- Méthode (section claire) ---------- */
.method{background:var(--paper);color:var(--ink)}
.method .kicker{color:var(--amarante-deep)}
.method h2{color:var(--ink)}
.method .section-head p{color:var(--ink-muted)}
.steps{
  display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:2rem 1.75rem;
  counter-reset:step;
}
@media (max-width:980px){.steps{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (max-width:600px){.steps{grid-template-columns:1fr}}
.step{border-top:3px solid var(--amarante-deep);padding-top:1.4rem}
.step-num{
  font-size:2.6rem;font-weight:900;letter-spacing:-.03em;line-height:1;
  color:var(--amarante-deep);margin-bottom:.8rem;
}
.step h3{font-size:1.12rem;font-weight:800;margin-bottom:.6rem;letter-spacing:-.01em}
.step p{font-size:.95rem;color:var(--ink-muted)}
.method-note{
  margin-top:clamp(2.5rem,5vw,3.5rem);
  background:#fff;
  border:1px solid var(--paper-line);border-radius:var(--radius);
  padding:clamp(1.5rem,3vw,2.25rem);
}
.method-note h3{
  font-size:1.25rem;font-weight:800;letter-spacing:-.01em;margin-bottom:1.1rem;
  display:flex;align-items:center;gap:.6rem;
}
.method-note h3 svg{flex:none;color:var(--amarante-deep)}
.method-note ul{
  list-style:none;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:1rem 2.2rem;
}
@media (max-width:820px){.method-note ul{grid-template-columns:1fr}}
.method-note li{position:relative;padding-left:1.25rem;font-size:.95rem;color:var(--ink-muted)}
.method-note li::before{
  content:"";position:absolute;left:0;top:.5rem;width:.45rem;height:.45rem;
  background:var(--amarante-deep);transform:rotate(45deg);
}
.method-note strong{color:var(--ink)}

/* ---------- Pourquoi ---------- */
.why-list{list-style:none;border-top:1px solid var(--line)}
.why-item{
  display:grid;grid-template-columns:5.5rem minmax(0,1fr);gap:1rem 2rem;
  padding:clamp(1.75rem,4vw,2.5rem) 0;
  border-bottom:1px solid var(--line);
}
@media (max-width:600px){.why-item{grid-template-columns:1fr;gap:.5rem}}
.why-idx{
  font-size:1rem;font-weight:800;color:var(--amarante-soft);letter-spacing:.1em;
  padding-top:.4rem;
}
.why-item h3{
  font-size:clamp(1.3rem,2.6vw,1.75rem);font-weight:800;letter-spacing:-.015em;
  margin-bottom:.6rem;
}
.why-item p{color:var(--muted);max-width:44rem}

/* ---------- CTA final ---------- */
.cta{
  position:relative;overflow:hidden;
  background:
    radial-gradient(50rem 28rem at 50% 120%,rgba(229,43,80,.30),transparent 65%),
    radial-gradient(40rem 22rem at 10% -20%,rgba(159,43,104,.25),transparent 60%),
    var(--bg-soft);
  border-top:1px solid var(--line);border-bottom:1px solid var(--line);
  text-align:center;
}
.cta-inner{max-width:50rem;margin:0 auto}
.cta h2{margin-bottom:1.25rem}
.cta p{color:var(--muted);font-size:1.1rem;margin-bottom:2.25rem;max-width:38rem;margin-left:auto;margin-right:auto}
.btn-xl{font-size:clamp(1.05rem,2vw,1.25rem);padding:1.05rem 2.2rem}
.cta-mail{
  display:block;margin-top:1.4rem;font-size:.95rem;color:var(--muted);
}
.cta-mail a{font-weight:700}

/* ---------- Footer ---------- */
.site-footer{padding:clamp(3rem,6vw,4.5rem) 0 2.5rem;background:var(--bg)}
.footer-top{
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:2rem;
  padding-bottom:2.25rem;border-bottom:1px solid var(--line);margin-bottom:2rem;
}
.footer-brand{max-width:24rem}
.footer-brand .brand{font-size:1.15rem;margin-bottom:.75rem;display:inline-flex}
.footer-brand p{font-size:.9rem;color:var(--muted)}
.footer-nav{display:flex;gap:3rem;flex-wrap:wrap}
.footer-nav h3{
  font-size:.75rem;font-weight:700;letter-spacing:.16em;text-transform:uppercase;
  color:var(--muted);margin-bottom:.9rem;
}
.footer-nav ul{list-style:none;display:grid;gap:.5rem}
.footer-nav a{color:var(--text);font-size:.92rem}
.footer-nav a:hover,.footer-nav a:focus-visible{color:var(--amarante-soft);text-decoration:underline;text-underline-offset:.3em}
.legal{
  font-size:.82rem;color:var(--muted);line-height:1.8;
}
.legal strong{color:var(--text);font-weight:600}
.legal .sep{color:var(--amarante);margin:0 .45rem}
.copyright{margin-top:1.25rem;font-size:.8rem;color:var(--muted)}