/* M&A Digital Agency — feuille de style (charte officielle : magenta / violet / indigo) */
:root{
  --text:#1a1a1a;
  --ink:#2a0a4a;        /* indigo nuit — aplats sombres, hero, footer */
  --ink-2:#481878;      /* indigo profond — bandeaux, titres d'accent */
  --violet:#7830f0;     /* violet secondaire */
  --magenta:#e22de4;    /* magenta primaire */
  --paper:#ffffff;
  --soft:#f9f5fe;       /* lavande très pâle — sections claires */
  --soft-2:#f1e9fb;
  --lav:#f4effc;        /* fond clair charte */
  --muted:#6a6080;
  --muted-2:#6f6688;
  --line:#ebe3f7;
  --accent:#e22de4;
  --accent-2:#7830f0;
  --accent-soft:#f4effc;
  --radius:16px;
  --radius-sm:10px;
  --maxw:1120px;
  --shadow:0 1px 2px rgba(42,10,74,.05),0 14px 34px rgba(72,24,120,.10);
  --shadow-sm:0 1px 2px rgba(42,10,74,.05),0 7px 20px rgba(72,24,120,.08);
  --font:'Inter',system-ui,-apple-system,Segoe UI,Roboto,Helvetica,Arial,sans-serif;
  --display:'Montserrat','Century Gothic','Inter',system-ui,sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;font-family:var(--font);color:var(--text);
  background:var(--paper);line-height:1.6;-webkit-font-smoothing:antialiased;font-size:17px;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
h1,h2,h3{font-family:var(--display);font-weight:700;line-height:1.13;letter-spacing:-.015em;margin:0 0 .5em;color:var(--ink)}
h1{font-size:clamp(2.1rem,5vw,3.45rem)}
h2{font-size:clamp(1.6rem,3.4vw,2.4rem)}
h3{font-size:1.18rem;font-weight:600;letter-spacing:-.005em}
p{margin:0 0 1em}
.container{max-width:var(--maxw);margin:0 auto;padding:0 24px}
.muted{color:var(--muted)}
.accent{color:var(--accent)}
.eyebrow{
  font-family:var(--display);font-weight:600;font-size:.76rem;letter-spacing:.18em;
  text-transform:uppercase;color:var(--accent);margin:0 0 14px
}

/* ---------- Header ---------- */
.site-header{
  position:sticky;top:0;z-index:50;background:rgba(255,255,255,.86);
  backdrop-filter:saturate(180%) blur(12px);border-bottom:1px solid var(--line)
}
.nav{display:flex;align-items:center;justify-content:space-between;height:74px}
.brand{display:flex;align-items:center;gap:11px}
.brand .logo-img{height:50px;width:auto}
.brand-text{display:flex;align-items:center;gap:11px;font-family:var(--display);font-weight:700;font-size:1.05rem;letter-spacing:.01em}
.brand-text .mono{
  width:38px;height:38px;border-radius:10px;flex:0 0 auto;
  background:linear-gradient(135deg,var(--magenta),var(--violet) 55%,var(--ink-2));
  color:#fff;display:grid;place-items:center;font-size:.86rem;font-weight:800;letter-spacing:-.02em;
  box-shadow:0 6px 16px rgba(226,45,228,.34)
}
.brand-text small{display:block;font-family:var(--font);font-weight:500;font-size:.66rem;letter-spacing:.18em;color:var(--muted-2);text-transform:uppercase}
.nav-links{display:flex;align-items:center;gap:30px}
.nav-links a{font-size:.95rem;color:var(--ink);font-weight:500;transition:color .15s}
.nav-links a:hover,.nav-links a.active{color:var(--accent)}
.nav-cta{display:inline-flex}
.nav-toggle{display:none;background:none;border:0;cursor:pointer;padding:8px}
.nav-toggle span{display:block;width:24px;height:2px;background:var(--ink);margin:5px 0;border-radius:2px;transition:.2s}
.lang-switch{display:inline-flex;align-items:center;gap:7px;font-family:var(--display);font-size:.82rem;font-weight:600;letter-spacing:.04em}
.nav-links .lang-switch a{color:var(--muted-2);padding:0;border:0;width:auto}
.nav-links .lang-switch a:hover{color:var(--ink)}
.nav-links .lang-switch a.active{color:var(--magenta)}
.lang-switch span{color:var(--line)}
@media(max-width:680px){.nav-links .lang-switch{padding-top:14px}}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;gap:9px;cursor:pointer;border:0;
  font-family:var(--font);font-weight:600;font-size:.95rem;padding:13px 22px;
  border-radius:11px;transition:transform .12s ease,box-shadow .2s ease,background .2s;
}
.btn-primary{background:var(--magenta);color:#fff;box-shadow:0 8px 20px rgba(226,45,228,.26)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 12px 28px rgba(226,45,228,.42)}
.btn-ghost{background:#fff;color:var(--ink);border:1px solid var(--line)}
.btn-ghost:hover{border-color:var(--accent);color:var(--accent)}
.btn-light{background:rgba(255,255,255,.12);color:#fff;border:1px solid rgba(255,255,255,.26)}
.btn-light:hover{background:rgba(255,255,255,.2)}

/* ---------- Hero ---------- */
.hero{position:relative;overflow:hidden;padding:84px 0 72px;background:var(--ink);color:#fff}
.hero::before{
  content:"";position:absolute;inset:0;z-index:0;
  background:
    radial-gradient(58% 50% at 16% 6%,rgba(226,45,228,.34),transparent 60%),
    radial-gradient(55% 55% at 94% 16%,rgba(120,48,240,.40),transparent 60%),
    radial-gradient(60% 60% at 70% 104%,rgba(120,48,240,.24),transparent 60%);
}
.hero .container{position:relative;z-index:1}
.hero h1{color:#fff;max-width:17ch}
.hero .lede{font-size:1.16rem;color:#d8cfe8;max-width:54ch;margin-bottom:30px}
.hero-cta{display:flex;gap:14px;flex-wrap:wrap}
.hero-meta{display:flex;gap:28px;flex-wrap:wrap;margin-top:46px;padding-top:26px;border-top:1px solid rgba(255,255,255,.14)}
.hero-meta div{font-size:.9rem;color:#bcb2d0}
.hero-meta strong{display:block;font-family:var(--display);font-size:1.4rem;color:#fff;font-weight:700}

/* ---------- Sections ---------- */
section{padding:74px 0}
.section-soft{background:var(--soft)}
.section-head{max-width:62ch;margin-bottom:46px}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center}

/* ---------- Cards / grids ---------- */
.grid{display:grid;gap:22px}
.grid-2{grid-template-columns:repeat(2,1fr)}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-4{grid-template-columns:repeat(4,1fr)}
.card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:30px 26px;box-shadow:var(--shadow-sm);transition:transform .15s,box-shadow .2s,border-color .2s
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:#dccef2}
.card .ico{
  width:48px;height:48px;border-radius:12px;display:grid;place-items:center;
  background:var(--accent-soft);color:var(--violet);margin-bottom:18px;font-size:1.25rem;font-weight:700
}
.card h3{margin-bottom:.4em}
.card p{color:var(--muted);font-size:.97rem;margin-bottom:0}
.card ul{margin:14px 0 0;padding:0;list-style:none}
.card ul li{position:relative;padding-left:24px;font-size:.93rem;color:var(--muted);margin-bottom:7px}
.card ul li::before{content:"";position:absolute;left:0;top:9px;width:13px;height:7px;border-left:2px solid var(--magenta);border-bottom:2px solid var(--magenta);transform:rotate(-45deg)}

/* tag */
.tag{display:inline-block;font-size:.78rem;font-weight:600;color:var(--violet);background:var(--accent-soft);padding:5px 12px;border-radius:999px;margin-bottom:14px;font-family:var(--display);letter-spacing:.03em}

/* ---------- Split feature ---------- */
.split{display:grid;grid-template-columns:1fr 1fr;gap:54px;align-items:center}
.split .panel{background:linear-gradient(155deg,var(--ink),var(--ink-2));color:#fff;border-radius:var(--radius);padding:38px;box-shadow:var(--shadow)}
.split .panel h3{color:#fff}
.split .panel p{color:#ccc2de}
.bullets{list-style:none;padding:0;margin:0}
.bullets li{position:relative;padding-left:34px;margin-bottom:18px}
.bullets li strong{display:block;margin-bottom:2px}
.bullets li span{color:var(--muted);font-size:.96rem}
.bullets li::before{content:"";position:absolute;left:0;top:3px;width:20px;height:20px;border-radius:6px;background:var(--accent-soft)}
.bullets li::after{content:"";position:absolute;left:6px;top:8px;width:8px;height:5px;border-left:2px solid var(--magenta);border-bottom:2px solid var(--magenta);transform:rotate(-45deg)}

/* ---------- Credibility band ---------- */
.cred{display:flex;flex-wrap:wrap;gap:14px 30px;align-items:center;justify-content:center;color:var(--ink-2);font-family:var(--display);font-weight:600;font-size:1rem}
.cred span{display:inline-flex;align-items:center;gap:9px}
.cred span::before{content:"";width:7px;height:7px;border-radius:2px;background:linear-gradient(135deg,var(--magenta),var(--violet));transform:rotate(45deg)}

/* ---------- Steps ---------- */
.steps{counter-reset:step}
.step{position:relative;padding-left:64px;margin-bottom:30px}
.step::before{
  counter-increment:step;content:counter(step,decimal-leading-zero);
  position:absolute;left:0;top:-4px;font-family:var(--display);font-weight:700;font-size:1.05rem;
  width:44px;height:44px;border-radius:12px;display:grid;place-items:center;
  background:#fff;border:1px solid var(--line);color:var(--violet);box-shadow:var(--shadow-sm)
}
.step h3{margin-bottom:.25em}
.step p{color:var(--muted);margin-bottom:0;font-size:.97rem}

/* ---------- CTA band ---------- */
.cta-band{background:linear-gradient(150deg,var(--ink),var(--ink-2));color:#fff;border-radius:24px;padding:54px 48px;text-align:center;position:relative;overflow:hidden}
.cta-band::before{content:"";position:absolute;inset:0;background:radial-gradient(54% 90% at 50% 0%,rgba(226,45,228,.34),transparent 62%)}
.cta-band > *{position:relative;z-index:1}
.cta-band h2{color:#fff}
.cta-band p{color:#d8cfe8;max-width:52ch;margin:0 auto 26px}

/* ---------- Contact / forms ---------- */
.form{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:32px;box-shadow:var(--shadow-sm)}
.field{margin-bottom:18px}
.field label{display:block;font-size:.88rem;font-weight:600;margin-bottom:7px}
.field input,.field textarea,.field select{
  width:100%;font-family:var(--font);font-size:1rem;padding:13px 15px;border:1px solid var(--line);
  border-radius:11px;background:var(--soft);transition:border-color .15s,box-shadow .15s;color:var(--text)
}
.field input:focus,.field textarea:focus,.field select:focus{outline:0;border-color:var(--violet);box-shadow:0 0 0 4px var(--accent-soft);background:#fff}
.field textarea{min-height:130px;resize:vertical}
.note-ok{display:none;margin-top:14px;padding:13px 16px;border-radius:11px;background:var(--accent-soft);color:var(--ink-2);font-size:.92rem;border:1px solid var(--line)}
.contact-aside .line{display:flex;gap:14px;align-items:flex-start;margin-bottom:22px}
.contact-aside .line .ico{width:42px;height:42px;border-radius:11px;background:var(--accent-soft);color:var(--violet);display:grid;place-items:center;flex:0 0 auto;font-weight:700}
.contact-aside .line small{color:var(--muted-2);display:block;font-size:.8rem;text-transform:uppercase;letter-spacing:.05em}
.contact-aside .line strong{font-weight:600}

/* ---------- Footer ---------- */
.site-footer{background:var(--ink);color:#bcb2d0;padding:54px 0 30px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr;gap:34px;margin-bottom:38px}
.footer-brand{display:flex;align-items:center;gap:11px;font-family:var(--display);font-weight:700;font-size:1.1rem;color:#fff}
.footer-brand .mono{
  width:36px;height:36px;border-radius:9px;flex:0 0 auto;
  background:linear-gradient(135deg,var(--magenta),var(--violet) 55%,var(--ink-2));
  display:grid;place-items:center;font-size:.82rem;font-weight:800;color:#fff
}
.footer-brand small{display:block;font-family:var(--font);font-weight:500;font-size:.64rem;letter-spacing:.18em;color:#9990ab;text-transform:uppercase}
.site-footer h4{color:#fff;font-family:var(--display);font-size:.9rem;letter-spacing:.05em;margin:0 0 14px;text-transform:uppercase}
.site-footer a{display:block;color:#bcb2d0;font-size:.94rem;margin-bottom:9px;transition:color .15s}
.site-footer a:hover{color:#fff}
.footer-bottom{border-top:1px solid rgba(255,255,255,.12);padding-top:22px;display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px;font-size:.84rem;color:#9990ab}

/* ---------- Utility ---------- */
.center{text-align:center}
.mt0{margin-top:0}.mb0{margin-bottom:0}
.lead{font-size:1.12rem;color:var(--muted)}
.pill-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:8px}
.pill{font-size:.82rem;font-weight:500;color:var(--ink-2);background:#fff;border:1px solid var(--line);padding:7px 13px;border-radius:999px}

/* ---------- Responsive ---------- */
@media(max-width:900px){
  .grid-3,.grid-4{grid-template-columns:repeat(2,1fr)}
  .split{grid-template-columns:1fr;gap:32px}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:680px){
  body{font-size:16px}
  .nav-links{
    position:fixed;inset:74px 0 auto 0;background:#fff;flex-direction:column;gap:0;
    border-bottom:1px solid var(--line);padding:8px 24px 18px;display:none;box-shadow:var(--shadow)
  }
  .nav-links.open{display:flex}
  .nav-links a{width:100%;padding:13px 0;border-bottom:1px solid var(--soft-2)}
  .nav-links .nav-cta{margin-top:12px}
  .nav-toggle{display:block}
  .grid-2,.grid-3,.grid-4{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .cta-band{padding:40px 24px}
  section{padding:54px 0}
  .hero{padding:60px 0 54px}
}

/* ===================== Direction Éditorial / Studio ===================== */
.st-hero{padding:72px 0 56px;background:#fff;position:relative;overflow:hidden}
.st-grid{display:grid;grid-template-columns:1.55fr .85fr;gap:50px;align-items:end}
.st-hero h1{font-family:'Fraunces',serif;font-weight:500;font-size:clamp(2.8rem,8vw,6rem);line-height:.98;letter-spacing:-.025em;color:var(--ink);margin:14px 0 0}
.st-hero h1 em{font-style:italic;color:var(--magenta);font-weight:500}
.st-rail{border-left:2px solid var(--magenta);padding-left:22px;padding-bottom:8px}
.st-rail .lede{font-size:1.05rem;color:var(--muted);margin:0 0 22px}
.st-rail .m{margin-bottom:16px}
.st-rail .m strong{display:block;font-family:'Fraunces',serif;font-weight:500;font-size:1.3rem;color:var(--ink);line-height:1}
.st-rail .m span{font-size:.84rem;color:var(--muted-2)}
.st-link{font-family:var(--display);font-weight:600;font-size:.95rem;color:var(--ink);border-bottom:2px solid var(--magenta);padding-bottom:3px}
.st-link:hover{color:var(--magenta)}
.st-tape{margin-top:46px;border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:14px 0;display:flex;gap:34px;flex-wrap:wrap;font-family:var(--display);font-size:.8rem;letter-spacing:.14em;text-transform:uppercase;color:var(--muted-2)}
.st-tape span{display:inline-flex;align-items:center;gap:10px}
.st-tape span::before{content:"✦";color:var(--magenta);font-size:.7rem}
.st-sec{padding:70px 0}
.st-kicker{font-family:var(--display);font-size:.76rem;letter-spacing:.18em;text-transform:uppercase;color:var(--magenta);margin:0 0 8px}
.st-svc{border-top:1px solid var(--line);padding:34px 0;display:grid;grid-template-columns:120px 1fr auto;gap:30px;align-items:start;transition:transform .25s}
.st-svc:hover{transform:translateX(14px)}
.st-svc .n{font-family:'Fraunces',serif;font-size:2.4rem;font-weight:400;color:var(--magenta);line-height:.8}
.st-svc h3{font-family:'Fraunces',serif;font-weight:500;font-size:clamp(1.7rem,3.2vw,2.4rem);color:var(--ink);margin:0 0 8px;letter-spacing:-.015em}
.st-svc p{color:var(--muted);margin:0;max-width:58ch}
.st-svc .ar{font-size:1.5rem;color:var(--muted-2)}
.st-statement{padding:90px 0}
.st-statement p{font-family:'Fraunces',serif;font-weight:500;font-size:clamp(2rem,5vw,3.6rem);line-height:1.14;letter-spacing:-.02em;color:var(--ink);max-width:22ch;margin:0}
.st-statement p em{font-style:italic;color:var(--magenta)}
.pole{padding:60px 0;border-top:1px solid var(--line)}
.pole-head{display:flex;align-items:baseline;gap:18px;margin-bottom:10px}
.pole-head .n{font-family:'Fraunces',serif;font-size:1.5rem;color:var(--magenta);font-weight:400}
.pole-head h2{font-family:'Fraunces',serif;font-weight:500;font-size:clamp(1.8rem,3.6vw,2.6rem);color:var(--ink);margin:0;letter-spacing:-.015em}
.pole-lead{color:var(--muted);max-width:62ch;margin:0 0 22px;font-size:1.05rem}
.lead-tag{display:inline-block;font-family:var(--display);font-size:.72rem;font-weight:600;letter-spacing:.12em;text-transform:uppercase;color:var(--violet);background:var(--accent-soft);padding:5px 12px;border-radius:999px;margin-bottom:14px}
.cas{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;margin-top:10px}
.cas .c{background:#fff;padding:26px 22px}
.cas .c .t{font-family:var(--display);font-size:.7rem;font-weight:600;letter-spacing:.1em;text-transform:uppercase;color:var(--violet);margin-bottom:10px}
.cas .c h3{font-family:'Fraunces',serif;font-weight:500;font-size:1.25rem;color:var(--ink);margin:0 0 8px}
.cas .c p{color:var(--muted);font-size:.93rem;margin:0}
@media(max-width:820px){.st-grid{grid-template-columns:1fr;gap:30px}.st-rail{border-left:none;border-top:2px solid var(--magenta);padding-left:0;padding-top:20px}.cas{grid-template-columns:1fr}}
@media(max-width:600px){.st-svc{grid-template-columns:64px 1fr;gap:16px}.st-svc .n{font-size:1.6rem}.st-svc .ar{display:none}}
@media(max-width:560px){.offer{grid-template-columns:1fr;gap:8px}.offer .price{text-align:left;padding-top:6px}.offer .price small{display:inline}}