/* ============================================================
   PRAXILON — Conseil stratégique
   Direction: stone-white surfaces, charcoal type, structural grid
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Fraunces:opsz,wght@9..144,300;9..144,400;9..144,500;9..144,600&family=Inter:wght@400;500;600&family=IBM+Plex+Mono:wght@400;500&display=swap');

:root{
  --stone:        #F5F3EF;
  --limestone:    #E3DDD2;
  --charcoal:     #22252A;
  --slate:        #5A6068;
  --accent:       #3D5A6C;
  --accent-deep:  #2C424F;
  --hairline:     #CBC4B8;
  --white:        #FBFAF7;

  --maxw: 1240px;
  --gut: clamp(20px, 5vw, 72px);

  --serif: 'Fraunces', Georgia, serif;
  --sans:  'Inter', system-ui, sans-serif;
  --mono:  'IBM Plex Mono', ui-monospace, monospace;

  --t: 0.4s cubic-bezier(.2,.7,.2,1);
}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  font-family:var(--sans);
  background:var(--stone);
  color:var(--charcoal);
  line-height:1.6;
  font-size:17px;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font-family:inherit;cursor:pointer;border:none;background:none}

.wrap{max-width:var(--maxw);margin:0 auto;padding:0 var(--gut)}

/* labels / structural numbering */
.eyebrow{
  font-family:var(--mono);
  font-size:.72rem;
  letter-spacing:.22em;
  text-transform:uppercase;
  color:var(--accent);
  display:inline-flex;
  align-items:center;
  gap:.7em;
}
.eyebrow::before{
  content:"";width:26px;height:1px;background:var(--accent);display:inline-block;
}

h1,h2,h3{font-family:var(--serif);font-weight:400;line-height:1.06;letter-spacing:-.01em}
h2{font-size:clamp(1.9rem,4vw,3rem)}
h3{font-size:1.32rem;font-weight:500}

/* ============================== HEADER ============================== */
header{
  position:sticky;top:0;z-index:60;
  background:rgba(245,243,239,.86);
  backdrop-filter:blur(12px);
  border-bottom:1px solid var(--hairline);
}
.nav{display:flex;align-items:center;justify-content:space-between;height:74px}
.brand{display:flex;align-items:center;gap:12px;font-family:var(--serif);font-size:1.32rem;letter-spacing:.02em}
.brand svg{width:30px;height:30px}
.brand b{font-weight:600}
.brand small{font-family:var(--mono);font-size:.6rem;letter-spacing:.2em;color:var(--slate);text-transform:uppercase;display:block;margin-top:2px}
.navlinks{display:flex;gap:34px;align-items:center}
.navlinks a{font-size:.92rem;color:var(--slate);transition:color var(--t);position:relative}
.navlinks a::after{content:"";position:absolute;left:0;bottom:-5px;width:0;height:1px;background:var(--charcoal);transition:width var(--t)}
.navlinks a:hover{color:var(--charcoal)}
.navlinks a:hover::after{width:100%}
.nav-cta{
  font-family:var(--mono);font-size:.78rem;letter-spacing:.08em;text-transform:uppercase;
  border:1px solid var(--charcoal);padding:11px 20px;transition:all var(--t);color:var(--charcoal)
}
.nav-cta:hover{background:var(--charcoal);color:var(--stone)}
.burger{display:none;flex-direction:column;gap:5px;padding:6px}
.burger span{width:24px;height:1.5px;background:var(--charcoal);transition:var(--t)}

/* ============================== HERO ============================== */
.hero{position:relative;padding:clamp(60px,9vw,120px) 0 0}
.hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:clamp(30px,5vw,64px);align-items:end}
.hero-grid>*{min-width:0}
.hero h1{font-size:clamp(2.6rem,6.2vw,4.7rem);font-weight:300;margin:26px 0 0}
.hero h1 em{font-style:italic;color:var(--accent)}
.hero p.lead{font-size:1.12rem;color:var(--slate);max-width:36ch;margin:28px 0 36px}
.hero-actions{display:flex;gap:16px;flex-wrap:wrap}
.btn{
  font-family:var(--mono);font-size:.82rem;letter-spacing:.06em;text-transform:uppercase;
  padding:15px 28px;transition:all var(--t);display:inline-flex;align-items:center;gap:10px;
}
.btn-solid{background:var(--charcoal);color:var(--stone)}
.btn-solid:hover{background:var(--accent-deep)}
.btn-ghost{border:1px solid var(--hairline);color:var(--charcoal)}
.btn-ghost:hover{border-color:var(--charcoal)}

.hero-figure{position:relative;min-width:0}
.hero-figure img{width:100%;max-width:100%;height:clamp(340px,46vw,560px);object-fit:cover;background:var(--limestone);filter:grayscale(.18) contrast(1.03)}
.hero-figure .frame-tag{
  position:absolute;top:14px;left:14px;font-family:var(--mono);font-size:.66rem;letter-spacing:.14em;
  color:var(--white);background:rgba(34,37,42,.78);padding:6px 11px;text-transform:uppercase
}
.hero-coords{
  font-family:var(--mono);font-size:.68rem;color:var(--slate);letter-spacing:.1em;
  display:flex;justify-content:space-between;border-top:1px solid var(--hairline);
  margin-top:14px;padding-top:12px
}

/* metrics strip */
.metrics{
  display:grid;grid-template-columns:repeat(4,1fr);
  border-top:1px solid var(--hairline);margin-top:clamp(56px,7vw,88px)
}
.metric{padding:30px 26px;border-right:1px solid var(--hairline);position:relative}
.metric:last-child{border-right:none}
.metric .num{font-family:var(--serif);font-size:clamp(2rem,4vw,2.9rem);font-weight:400;line-height:1}
.metric .lab{font-family:var(--mono);font-size:.7rem;letter-spacing:.12em;text-transform:uppercase;color:var(--slate);margin-top:10px}
.metric .idx{position:absolute;top:14px;right:18px;font-family:var(--mono);font-size:.62rem;color:var(--hairline)}

/* ============================== SECTIONS ============================== */
section{padding:clamp(70px,9vw,120px) 0}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:30px;margin-bottom:54px;flex-wrap:wrap}
.sec-head .txt{max-width:54ch}
.sec-head h2{margin-top:16px}
.sec-head p{color:var(--slate);margin-top:14px}

/* services */
#expertises{background:var(--white);border-top:1px solid var(--hairline);border-bottom:1px solid var(--hairline)}
.svc-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--hairline);border:1px solid var(--hairline)}
.svc{background:var(--white);padding:38px 32px;transition:background var(--t);position:relative;min-height:280px;display:flex;flex-direction:column}
.svc:hover{background:var(--stone)}
.svc .ord{font-family:var(--mono);font-size:.72rem;color:var(--accent);letter-spacing:.1em}
.svc h3{margin:22px 0 14px}
.svc p{color:var(--slate);font-size:.96rem;flex:1}
.svc .more{font-family:var(--mono);font-size:.74rem;letter-spacing:.08em;text-transform:uppercase;color:var(--charcoal);margin-top:18px;display:inline-flex;align-items:center;gap:8px;opacity:.55;transition:opacity var(--t)}
.svc:hover .more{opacity:1}

/* method — signature blueprint */
#methode{background:var(--charcoal);color:var(--stone)}
#methode .eyebrow{color:var(--limestone)}
#methode .eyebrow::before{background:var(--limestone)}
#methode h2{color:var(--stone)}
#methode .sec-head p{color:#A7ABB2}
.blueprint{display:grid;grid-template-columns:repeat(4,1fr);gap:0;border:1px solid #3A3E45;margin-top:10px}
.bp-step{padding:34px 26px;border-right:1px solid #3A3E45;position:relative;transition:background var(--t)}
.bp-step:last-child{border-right:none}
.bp-step:hover{background:#2A2E34}
.bp-step .bpnum{font-family:var(--mono);font-size:.74rem;color:var(--limestone);letter-spacing:.14em}
.bp-step h3{color:var(--stone);margin:18px 0 12px;font-size:1.18rem}
.bp-step p{color:#A7ABB2;font-size:.9rem}
.bp-step .tick{position:absolute;top:0;right:0;width:9px;height:9px;background:var(--accent);transform:translate(50%,-50%);border:2px solid var(--charcoal)}

/* proof / case */
.case-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:clamp(30px,5vw,60px);align-items:center}
.case-figure img{width:100%;height:clamp(320px,40vw,460px);object-fit:cover;filter:grayscale(.2)}
.case-figure .frame-tag{position:absolute;bottom:14px;left:14px;font-family:var(--mono);font-size:.66rem;letter-spacing:.14em;color:var(--white);background:rgba(34,37,42,.78);padding:6px 11px;text-transform:uppercase}
.case-figure{position:relative}
.quote{font-family:var(--serif);font-size:clamp(1.4rem,2.8vw,2.05rem);font-weight:300;line-height:1.32;font-style:italic}
.quote-meta{font-family:var(--mono);font-size:.78rem;letter-spacing:.08em;color:var(--slate);margin-top:26px;text-transform:uppercase}
.quote-meta b{color:var(--charcoal);font-weight:500}

/* pricing */
#tarifs{background:var(--white);border-top:1px solid var(--hairline);border-bottom:1px solid var(--hairline)}
.price-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--hairline);border:1px solid var(--hairline)}
.plan{background:var(--white);padding:40px 34px;display:flex;flex-direction:column;position:relative}
.plan.feat{background:var(--stone)}
.plan .badge{position:absolute;top:0;right:0;font-family:var(--mono);font-size:.62rem;letter-spacing:.12em;text-transform:uppercase;background:var(--accent);color:var(--white);padding:5px 12px}
.plan .pname{font-family:var(--mono);font-size:.78rem;letter-spacing:.14em;text-transform:uppercase;color:var(--accent)}
.plan .pdesc{color:var(--slate);font-size:.9rem;margin:14px 0 24px;min-height:46px}
.plan .price{font-family:var(--serif);font-size:2.7rem;font-weight:400;line-height:1}
.plan .price span{font-family:var(--mono);font-size:.8rem;color:var(--slate);letter-spacing:.04em}
.plan ul{list-style:none;margin:26px 0;border-top:1px solid var(--hairline);padding-top:22px;flex:1}
.plan li{font-size:.92rem;padding:9px 0 9px 26px;position:relative;color:var(--charcoal)}
.plan li::before{content:"—";position:absolute;left:0;color:var(--accent);font-family:var(--mono)}
.plan .btn{justify-content:center;margin-top:auto}
.price-note{font-family:var(--mono);font-size:.74rem;color:var(--slate);letter-spacing:.04em;margin-top:26px;text-align:center}

/* contact */
.contact-grid{display:grid;grid-template-columns:.85fr 1.15fr;gap:clamp(36px,5vw,72px)}
.contact-info .row{padding:22px 0;border-top:1px solid var(--hairline);display:flex;gap:20px;align-items:flex-start}
.contact-info .row:last-child{border-bottom:1px solid var(--hairline)}
.contact-info .k{font-family:var(--mono);font-size:.68rem;letter-spacing:.12em;text-transform:uppercase;color:var(--slate);min-width:88px;padding-top:3px}
.contact-info .v{font-size:1rem}
.contact-info .v a:hover{color:var(--accent)}

form{display:grid;gap:20px}
.field{display:flex;flex-direction:column;gap:8px}
.field label{font-family:var(--mono);font-size:.72rem;letter-spacing:.1em;text-transform:uppercase;color:var(--slate)}
.field input,.field select,.field textarea{
  font-family:var(--sans);font-size:1rem;color:var(--charcoal);
  background:var(--white);border:1px solid var(--hairline);padding:14px 16px;transition:border var(--t)
}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--accent)}
.field textarea{resize:vertical;min-height:120px}
.field-2{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.consent{display:flex;gap:12px;align-items:flex-start;font-size:.86rem;color:var(--slate)}
.consent input{margin-top:4px;accent-color:var(--accent);width:17px;height:17px}
.consent a{color:var(--accent);text-decoration:underline}
.form-msg{font-family:var(--mono);font-size:.82rem;padding:14px 16px;display:none}
.form-msg.ok{display:block;background:#E7EDE9;color:#2C4A38;border-left:3px solid #3F6B4F}
.form-msg.err{display:block;background:#F2E5E2;color:#7A3B30;border-left:3px solid #A85A4A}

/* ============================== FOOTER ============================== */
footer{background:var(--charcoal);color:#A7ABB2;padding:64px 0 28px}
.foot-top{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:40px;padding-bottom:44px;border-bottom:1px solid #3A3E45}
.foot-brand{display:flex;align-items:center;gap:12px;color:var(--stone);font-family:var(--serif);font-size:1.3rem}
.foot-brand svg{width:30px;height:30px}
.foot-top p{font-size:.9rem;margin-top:18px;max-width:34ch}
.foot-col h4{font-family:var(--mono);font-size:.72rem;letter-spacing:.14em;text-transform:uppercase;color:var(--stone);margin-bottom:18px;font-weight:500}
.foot-col a{display:block;font-size:.9rem;padding:7px 0;transition:color var(--t)}
.foot-col a:hover{color:var(--stone)}
.foot-bottom{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:14px;padding-top:24px;font-family:var(--mono);font-size:.72rem;letter-spacing:.04em}
.foot-bottom .legal-links{display:flex;gap:22px;flex-wrap:wrap}
.foot-bottom a:hover{color:var(--stone)}

/* ============================== COOKIES ============================== */
.cookie{
  position:fixed;left:var(--gut);right:var(--gut);bottom:24px;z-index:90;
  max-width:560px;background:var(--white);border:1px solid var(--charcoal);
  padding:26px 28px;box-shadow:0 18px 50px rgba(34,37,42,.18);
  transform:translateY(140%);transition:transform .5s cubic-bezier(.2,.8,.2,1)
}
.cookie.show{transform:translateY(0)}
.cookie h4{font-family:var(--serif);font-size:1.2rem;font-weight:500;margin-bottom:10px}
.cookie p{font-size:.88rem;color:var(--slate);margin-bottom:18px}
.cookie p a{color:var(--accent);text-decoration:underline}
.cookie-actions{display:flex;gap:12px;flex-wrap:wrap}
.cookie-actions .btn{padding:12px 22px;font-size:.76rem}

/* ============================== LEGAL PAGES ============================== */
.legal-hero{padding:clamp(50px,7vw,90px) 0 0}
.legal-hero h1{font-size:clamp(2rem,4.5vw,3rem);font-weight:300;margin-top:18px}
.legal-hero .upd{font-family:var(--mono);font-size:.74rem;color:var(--slate);letter-spacing:.06em;margin-top:18px}
.legal-body{padding:48px 0 100px;max-width:760px}
.legal-body h2{font-size:1.5rem;margin:44px 0 16px}
.legal-body h3{font-size:1.1rem;margin:28px 0 10px}
.legal-body p,.legal-body li{color:var(--slate);font-size:1rem;margin-bottom:14px}
.legal-body ul{padding-left:22px;margin-bottom:14px}
.legal-body li{margin-bottom:8px}
.legal-body a{color:var(--accent);text-decoration:underline}
.back-link{font-family:var(--mono);font-size:.78rem;letter-spacing:.08em;text-transform:uppercase;color:var(--accent);display:inline-flex;gap:8px;align-items:center}

/* ============================== REVEAL ============================== */
.reveal{opacity:0;transform:translateY(24px);transition:opacity .7s ease,transform .7s cubic-bezier(.2,.7,.2,1)}
.reveal.in{opacity:1;transform:none}

/* ============================== RESPONSIVE ============================== */
@media(max-width:960px){
  .hero-grid{grid-template-columns:1fr}
  .hero-figure{order:-1}
  .metrics{grid-template-columns:repeat(2,1fr)}
  .metric:nth-child(2){border-right:none}
  .metric:nth-child(1),.metric:nth-child(2){border-bottom:1px solid var(--hairline)}
  .svc-grid,.price-grid{grid-template-columns:1fr 1fr}
  .blueprint{grid-template-columns:1fr 1fr}
  .bp-step:nth-child(2){border-right:none}
  .bp-step:nth-child(1),.bp-step:nth-child(2){border-bottom:1px solid #3A3E45}
  .case-grid,.contact-grid{grid-template-columns:1fr}
  .foot-top{grid-template-columns:1fr 1fr}
}
@media(max-width:680px){
  .navlinks{display:none}
  .navlinks.open{display:flex;position:absolute;top:74px;left:0;right:0;flex-direction:column;background:var(--stone);border-bottom:1px solid var(--hairline);padding:24px var(--gut);gap:18px}
  .burger{display:flex}
  .svc-grid,.price-grid{grid-template-columns:1fr}
  .field-2{grid-template-columns:1fr}
  .foot-top{grid-template-columns:1fr}
  .metrics{grid-template-columns:1fr 1fr}
}
@media(prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important}
  .reveal{opacity:1;transform:none}
}