/* ===== Méridienne Conseil — Design System ===== */
:root{
  --base:#14171C;
  --panel:#1C2027;
  --panel-2:#21262F;
  --grid:#2A2F38;
  --line:#333A45;
  --accent:#A8C4D8;
  --accent-deep:#7FA7C0;
  --glow:rgba(168,196,216,.16);
  --ivory:#E8E6E0;
  --muted:#9AA3AF;
  --muted-2:#6B7480;
  --ok:#8FBFA8;
  --radius:4px;
  --maxw:1180px;
  --ff-display:"Fraunces",Georgia,serif;
  --ff-body:"Inter",-apple-system,BlinkMacSystemFont,sans-serif;
  --ff-mono:"IBM Plex Mono",ui-monospace,monospace;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:var(--ff-body);
  background:var(--base);
  color:var(--ivory);
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
::selection{background:var(--glow);color:#fff}

.container{max-width:var(--maxw);margin:0 auto;padding:0 28px}
.eyebrow{
  font-family:var(--ff-mono);
  font-size:.72rem;letter-spacing:.28em;text-transform:uppercase;
  color:var(--accent);display:inline-flex;align-items:center;gap:10px;
}
.eyebrow::before{content:"";width:26px;height:1px;background:var(--accent-deep)}
h1,h2,h3{font-family:var(--ff-display);font-weight:500;line-height:1.08;letter-spacing:-.01em}

/* ===== Header ===== */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:100;
  background:rgba(20,23,28,.72);backdrop-filter:blur(14px);
  border-bottom:1px solid transparent;transition:border-color .3s,background .3s;
}
.site-header.scrolled{border-bottom-color:var(--line);background:rgba(20,23,28,.92)}
.nav{display:flex;align-items:center;justify-content:space-between;height:74px}
.brand{display:flex;align-items:center;gap:12px;font-family:var(--ff-display);font-size:1.18rem;letter-spacing:-.01em}
.brand svg{width:30px;height:30px}
.brand b{font-weight:600}
.brand span{color:var(--muted-2);font-weight:400}
.nav-links{display:flex;align-items:center;gap:34px}
.nav-links a{font-size:.9rem;color:var(--muted);transition:color .2s;position:relative}
.nav-links a:hover{color:var(--ivory)}
.nav-links a::after{content:"";position:absolute;left:0;bottom:-6px;width:0;height:1px;background:var(--accent);transition:width .25s}
.nav-links a:hover::after{width:100%}
.btn{
  display:inline-flex;align-items:center;gap:9px;
  font-family:var(--ff-mono);font-size:.8rem;letter-spacing:.04em;
  padding:12px 22px;border-radius:var(--radius);cursor:pointer;
  border:1px solid var(--accent-deep);color:var(--accent);background:transparent;
  transition:all .25s;
}
.btn:hover{background:var(--accent);color:var(--base);box-shadow:0 0 28px var(--glow)}
.btn-solid{background:var(--accent);color:var(--base);border-color:var(--accent)}
.btn-solid:hover{background:var(--ivory);border-color:var(--ivory);box-shadow:0 0 32px var(--glow)}
.burger{display:none;flex-direction:column;gap:5px;background:none;border:none;cursor:pointer;padding:8px}
.burger span{width:24px;height:2px;background:var(--ivory);transition:.3s}

/* ===== Hero ===== */
.hero{position:relative;padding:170px 0 110px;overflow:hidden}
.hero-grid{
  position:absolute;inset:0;z-index:0;
  background-image:
    linear-gradient(var(--grid) 1px,transparent 1px),
    linear-gradient(90deg,var(--grid) 1px,transparent 1px);
  background-size:64px 64px;
  mask-image:radial-gradient(ellipse 80% 70% at 60% 30%,#000 20%,transparent 78%);
  opacity:.5;
}
.hero-glow{position:absolute;width:620px;height:620px;border-radius:50%;
  background:radial-gradient(circle,var(--glow),transparent 65%);
  top:-160px;right:-140px;z-index:0;filter:blur(8px)}
.hero-inner{position:relative;z-index:2;display:grid;grid-template-columns:1.15fr .85fr;gap:60px;align-items:center}
.hero h1{font-size:clamp(2.6rem,5.4vw,4.4rem);margin:24px 0 22px}
.hero h1 em{font-style:italic;color:var(--accent)}
.hero p.lead{font-size:1.12rem;color:var(--muted);max-width:520px;margin-bottom:34px}
.hero-cta{display:flex;gap:16px;flex-wrap:wrap}
.hero-meta{display:flex;gap:40px;margin-top:48px;padding-top:30px;border-top:1px solid var(--line)}
.hero-meta div b{font-family:var(--ff-display);font-size:2rem;display:block;color:var(--ivory)}
.hero-meta div span{font-family:var(--ff-mono);font-size:.72rem;letter-spacing:.1em;text-transform:uppercase;color:var(--muted-2)}
.hero-visual{position:relative}
.hero-visual img{border-radius:var(--radius);filter:grayscale(.35) contrast(1.05) brightness(.85);border:1px solid var(--line)}
.hero-card{
  position:absolute;bottom:-26px;left:-26px;background:var(--panel);
  border:1px solid var(--line);border-radius:var(--radius);padding:18px 22px;
  box-shadow:0 24px 60px rgba(0,0,0,.5);
}
.hero-card .dot{width:8px;height:8px;border-radius:50%;background:var(--ok);display:inline-block;margin-right:8px;box-shadow:0 0 10px var(--ok)}
.hero-card small{font-family:var(--ff-mono);font-size:.7rem;letter-spacing:.1em;text-transform:uppercase;color:var(--muted)}
.hero-card strong{display:block;font-family:var(--ff-display);font-size:1.5rem;margin-top:4px}

/* ===== Section base ===== */
section.block{padding:104px 0;position:relative}
.section-head{max-width:680px;margin-bottom:58px}
.section-head h2{font-size:clamp(2rem,3.6vw,2.9rem);margin:18px 0 16px}
.section-head p{color:var(--muted);font-size:1.05rem}

/* ===== Approach / services ===== */
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}
.svc{background:var(--panel);padding:38px 32px;transition:background .3s;position:relative}
.svc:hover{background:var(--panel-2)}
.svc .num{font-family:var(--ff-mono);font-size:.72rem;color:var(--accent);letter-spacing:.1em}
.svc h3{font-size:1.4rem;margin:20px 0 14px}
.svc p{color:var(--muted);font-size:.95rem}
.svc .ico{width:42px;height:42px;margin-bottom:6px;color:var(--accent)}

/* ===== Method (timeline) ===== */
.method{display:grid;grid-template-columns:repeat(4,1fr);gap:26px}
.step{position:relative;padding-top:30px}
.step::before{content:"";position:absolute;top:0;left:0;right:0;height:1px;background:var(--line)}
.step::after{content:"";position:absolute;top:-4px;left:0;width:8px;height:8px;background:var(--accent);border-radius:50%;box-shadow:0 0 14px var(--glow)}
.step .s-num{font-family:var(--ff-mono);font-size:.74rem;letter-spacing:.14em;color:var(--muted-2)}
.step h3{font-size:1.22rem;margin:14px 0 10px}
.step p{color:var(--muted);font-size:.92rem}

/* ===== Stats band ===== */
.band{background:var(--panel);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.band .container{display:grid;grid-template-columns:repeat(4,1fr);gap:40px;padding-top:64px;padding-bottom:64px}
.stat b{font-family:var(--ff-display);font-size:2.8rem;display:block;color:var(--accent)}
.stat span{font-size:.9rem;color:var(--muted)}

/* ===== Insight split ===== */
.split{display:grid;grid-template-columns:1fr 1fr;gap:62px;align-items:center}
.split img{border-radius:var(--radius);filter:grayscale(.4) brightness(.82);border:1px solid var(--line)}
.split ul{list-style:none;margin-top:26px}
.split li{padding:16px 0;border-bottom:1px solid var(--line);display:flex;gap:16px;align-items:flex-start}
.split li:last-child{border-bottom:none}
.split li .chk{color:var(--accent);flex-shrink:0;margin-top:3px}
.split li strong{display:block;margin-bottom:3px}
.split li span{color:var(--muted);font-size:.92rem}

/* ===== Pricing ===== */
.pricing{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.plan{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:38px 32px;display:flex;flex-direction:column;transition:transform .3s,border-color .3s}
.plan:hover{transform:translateY(-6px);border-color:var(--accent-deep)}
.plan.featured{border-color:var(--accent);background:var(--panel-2);position:relative;box-shadow:0 0 50px rgba(168,196,216,.06)}
.plan.featured .tag{position:absolute;top:-12px;right:28px;background:var(--accent);color:var(--base);font-family:var(--ff-mono);font-size:.66rem;letter-spacing:.12em;text-transform:uppercase;padding:5px 12px;border-radius:3px}
.plan h3{font-size:1.4rem}
.plan .price{font-family:var(--ff-display);font-size:2.8rem;margin:18px 0 4px}
.plan .price span{font-size:1rem;color:var(--muted);font-family:var(--ff-body)}
.plan .desc{color:var(--muted);font-size:.92rem;min-height:46px;margin-bottom:24px}
.plan ul{list-style:none;margin-bottom:30px;flex:1}
.plan li{padding:11px 0;border-bottom:1px solid rgba(255,255,255,.04);font-size:.92rem;color:var(--ivory);display:flex;gap:11px}
.plan li::before{content:"—";color:var(--accent);flex-shrink:0}
.plan .btn{justify-content:center}

/* ===== Testimonial ===== */
.quote{max-width:860px;margin:0 auto;text-align:center}
.quote blockquote{font-family:var(--ff-display);font-size:clamp(1.5rem,3vw,2.1rem);line-height:1.4;font-style:italic}
.quote blockquote::before{content:"« ";color:var(--accent)}
.quote blockquote::after{content:" »";color:var(--accent)}
.quote .who{margin-top:28px;font-family:var(--ff-mono);font-size:.8rem;letter-spacing:.1em;color:var(--muted);text-transform:uppercase}

/* ===== Contact ===== */
.contact-grid{display:grid;grid-template-columns:.85fr 1.15fr;gap:60px}
.contact-info h2{font-size:clamp(2rem,3.4vw,2.7rem);margin:16px 0 22px}
.contact-info p{color:var(--muted);margin-bottom:34px}
.info-row{display:flex;gap:16px;padding:18px 0;border-bottom:1px solid var(--line)}
.info-row .ico{color:var(--accent);flex-shrink:0}
.info-row small{font-family:var(--ff-mono);font-size:.68rem;letter-spacing:.12em;text-transform:uppercase;color:var(--muted-2);display:block}
.info-row strong{font-weight:500}
form{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:40px}
.field{margin-bottom:22px}
.field label{display:block;font-family:var(--ff-mono);font-size:.72rem;letter-spacing:.08em;text-transform:uppercase;color:var(--muted);margin-bottom:9px}
.field input,.field select,.field textarea{
  width:100%;background:var(--base);border:1px solid var(--line);border-radius:var(--radius);
  padding:13px 15px;color:var(--ivory);font-family:var(--ff-body);font-size:.95rem;transition:border-color .2s,box-shadow .2s;
}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--accent-deep);box-shadow:0 0 0 3px var(--glow)}
.field textarea{resize:vertical;min-height:120px}
.row-2{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.form-foot{display:flex;align-items:center;gap:14px;flex-wrap:wrap;margin-top:6px}
.checkrow{display:flex;gap:11px;align-items:flex-start;font-size:.84rem;color:var(--muted);margin-bottom:22px}
.checkrow input{width:18px;height:18px;margin-top:2px;accent-color:var(--accent-deep);flex-shrink:0}
.checkrow a{color:var(--accent);text-decoration:underline}
.form-msg{font-family:var(--ff-mono);font-size:.82rem;padding:12px 0;display:none}
.form-msg.show{display:block;color:var(--ok)}

/* ===== Footer ===== */
footer.site-footer{border-top:1px solid var(--line);padding:64px 0 30px;background:var(--panel)}
.foot-top{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px;margin-bottom:50px}
.foot-brand .brand{margin-bottom:18px}
.foot-brand p{color:var(--muted);font-size:.92rem;max-width:300px}
.foot-col h4{font-family:var(--ff-mono);font-size:.72rem;letter-spacing:.12em;text-transform:uppercase;color:var(--muted-2);margin-bottom:18px}
.foot-col a{display:block;color:var(--muted);font-size:.92rem;padding:6px 0;transition:color .2s}
.foot-col a:hover{color:var(--accent)}
.foot-bottom{border-top:1px solid var(--line);padding-top:26px;display:flex;justify-content:space-between;flex-wrap:wrap;gap:14px;font-size:.84rem;color:var(--muted-2)}
.foot-bottom .legal-links{display:flex;gap:22px;flex-wrap:wrap}
.foot-bottom .legal-links a:hover{color:var(--accent)}

/* ===== Cookie banner ===== */
.cookie{
  position:fixed;bottom:22px;left:22px;right:22px;max-width:560px;z-index:200;
  background:var(--panel-2);border:1px solid var(--accent-deep);border-radius:var(--radius);
  padding:24px 26px;box-shadow:0 30px 70px rgba(0,0,0,.6);transform:translateY(180%);transition:transform .5s cubic-bezier(.16,1,.3,1);
}
.cookie.show{transform:translateY(0)}
.cookie h4{font-family:var(--ff-display);font-size:1.15rem;margin-bottom:8px}
.cookie p{font-size:.86rem;color:var(--muted);margin-bottom:18px}
.cookie p a{color:var(--accent);text-decoration:underline}
.cookie-btns{display:flex;gap:12px;flex-wrap:wrap}
.cookie-btns .btn{padding:10px 20px;font-size:.76rem}

/* ===== Legal pages ===== */
.legal-wrap{padding:140px 0 90px;max-width:860px;margin:0 auto}
.legal-wrap .eyebrow{margin-bottom:18px}
.legal-wrap h1{font-size:clamp(2.2rem,4vw,3.2rem);margin-bottom:14px}
.legal-wrap .updated{font-family:var(--ff-mono);font-size:.78rem;color:var(--muted-2);margin-bottom:46px}
.legal-wrap h2{font-size:1.5rem;margin:42px 0 16px;color:var(--ivory)}
.legal-wrap h3{font-size:1.12rem;margin:26px 0 10px;color:var(--accent)}
.legal-wrap p,.legal-wrap li{color:var(--muted);margin-bottom:14px}
.legal-wrap ul{margin:0 0 18px 22px}
.legal-wrap li{margin-bottom:8px}
.legal-wrap a{color:var(--accent);text-decoration:underline}
.back-link{display:inline-flex;align-items:center;gap:8px;font-family:var(--ff-mono);font-size:.8rem;color:var(--accent);margin-bottom:30px}

/* ===== Reveal animation ===== */
.reveal{opacity:0;transform:translateY(24px);transition:opacity .7s ease,transform .7s ease}
.reveal.in{opacity:1;transform:none}

/* ===== Responsive ===== */
@media(max-width:980px){
  .hero-inner{grid-template-columns:1fr;gap:48px}
  .hero-visual{order:-1}
  .grid-3,.pricing{grid-template-columns:1fr}
  .method{grid-template-columns:1fr 1fr}
  .band .container{grid-template-columns:1fr 1fr}
  .split,.contact-grid{grid-template-columns:1fr;gap:40px}
  .foot-top{grid-template-columns:1fr 1fr}
  .nav-links{display:none}
  .burger{display:flex}
  .nav-links.open{display:flex;position:absolute;top:74px;left:0;right:0;flex-direction:column;background:var(--panel-2);padding:24px 28px;gap:20px;border-bottom:1px solid var(--line)}
}
@media(max-width:560px){
  .method,.band .container,.foot-top{grid-template-columns:1fr}
  .hero-meta{gap:24px;flex-wrap:wrap}
  .row-2{grid-template-columns:1fr}
  .hero-card{left:0;bottom:-20px}
  form{padding:28px 22px}
}
@media(prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important;scroll-behavior:auto!important}
  .reveal{opacity:1;transform:none}
}