*{margin:0;padding:0;box-sizing:border-box;}
:root{
  --deep:#0d1a1a;
  --sage:#2d4a3e;
  --muted:#4a6b5d;
  --accent:#8fb89a;
  --gold:#c9a96e;
  --gold-light:#d4b47a;
  --cream:#f5f0e8;
  --offwhite:#faf8f4;
  --text:#0d1a1a;
  /* triplets RGB pour les couleurs translucides : rgba(var(--…-rgb), alpha) */
  --deep-rgb:13,26,26;
  --cream-rgb:245,240,232;
  --white-rgb:255,255,255;
  --serif:'Cormorant Garamond',Georgia,serif;
  --sans:'DM Sans',sans-serif;
}
html{scroll-behavior:smooth;}
body{font-family:var(--sans);background:var(--offwhite);color:var(--text);overflow-x:hidden;}

/* NAV */
nav{
  position:fixed;top:0;left:0;right:0;z-index:1000;
  display:flex;align-items:center;justify-content:space-between;
  padding:20px 48px;
  background:rgba(var(--cream-rgb),0.94);
  backdrop-filter:blur(12px);
  border-bottom:1px solid rgba(var(--deep-rgb),0.08);
}
.nav-logo{font-family:var(--serif);font-size:22px;font-weight:300;letter-spacing:0.05em;color:var(--deep);text-decoration:none;}
.nav-logo span{color:var(--muted);}
.nav-links{display:flex;gap:36px;}
.nav-links a{font-size:13px;font-weight:400;letter-spacing:0.08em;text-decoration:none;color:var(--muted);transition:color .2s;}
.nav-links a:hover{color:var(--deep);}
.nav-cta{
  background:var(--deep);color:var(--cream);
  padding:9px 22px;border-radius:2px;
  font-size:12px;letter-spacing:0.1em;font-weight:400;
  text-decoration:none;transition:background .2s;
}
.nav-cta:hover{background:var(--sage);}

/* hamburger : masqué sur desktop, affiché ≤1024px (cf. media query) */
.nav-actions{display:flex;align-items:center;gap:16px;}
.nav-toggle{
  display:none;
  flex-direction:column;justify-content:center;gap:5px;
  width:40px;height:40px;padding:8px;
  background:none;border:none;cursor:pointer;
}
.nav-toggle-bar{
  display:block;width:22px;height:2px;border-radius:2px;
  background:var(--deep);
}
.nav-close{display:none;} /* affiché uniquement dans le tiroir (≤1024px) */
.nav-backdrop{
  position:fixed;inset:0;z-index:900;
  background:rgba(var(--deep-rgb),0.5);
  opacity:0;pointer-events:none;
  transition:opacity .3s ease;
}

/* HERO */
.hero{
  min-height:100vh;
  display:grid;grid-template-columns:1fr 1fr;
  padding-top:80px;
}
.hero-left{
  background:var(--deep);
  padding:80px 64px;
  display:flex;flex-direction:column;justify-content:center;
  position:relative;overflow:hidden;
}
.hero-left::before{
  content:'Ψ';
  position:absolute;right:-40px;bottom:-60px;
  font-family:var(--serif);font-size:320px;
  color:rgba(var(--white-rgb),0.04);line-height:1;
  pointer-events:none;
}
.hero-tag{
  font-size:11px;letter-spacing:0.2em;text-transform:uppercase;
  color:var(--accent);margin-bottom:32px;
  display:flex;align-items:center;gap:12px;
}
.hero-tag::before{content:'';display:block;width:32px;height:1px;background:var(--accent);}
.hero-h1{
  font-family:var(--serif);font-size:clamp(42px,5vw,68px);font-weight:300;
  color:var(--cream);line-height:1.1;margin-bottom:24px;
}
.hero-h1 em{font-style:italic;color:var(--accent);}
.hero-sub{
  font-size:15px;font-weight:300;color:rgba(var(--cream-rgb),0.6);
  line-height:1.7;max-width:380px;margin-bottom:48px;
}
.hero-btns{display:flex;gap:16px;flex-wrap:wrap;}
.btn-primary{
  background:var(--gold);color:var(--deep);
  padding:14px 32px;border-radius:2px;
  font-size:13px;letter-spacing:0.08em;font-weight:400;
  text-decoration:none;transition:all .2s;
  display:inline-block;
}
.btn-primary:hover{background:var(--gold-light);}
.btn-ghost{
  border:1px solid rgba(var(--cream-rgb),0.3);color:var(--cream);
  padding:14px 32px;border-radius:2px;
  font-size:13px;letter-spacing:0.08em;font-weight:400;
  text-decoration:none;transition:all .2s;
  display:inline-block;
}
.btn-ghost:hover{border-color:var(--cream);}
.hero-right{
  background:var(--cream);
  display:flex;flex-direction:column;justify-content:flex-end;
  padding:48px;
  gap:24px;
}
.profile-box{
  background:white;padding:28px 32px;
  border:1px solid rgba(var(--deep-rgb),0.1);
}
.profile-name{font-family:var(--serif);font-size:28px;font-weight:400;color:var(--deep);}
.profile-title{font-size:13px;color:var(--muted);margin-top:4px;letter-spacing:0.05em;}
.profile-credentials{
  margin-top:20px;padding-top:20px;
  border-top:1px solid rgba(var(--deep-rgb),0.08);
  display:flex;flex-direction:column;gap:8px;
}
.cred{display:flex;align-items:flex-start;gap:12px;font-size:13px;color:var(--muted);}
.cred-dot{width:4px;height:4px;border-radius:50%;background:var(--accent);margin-top:6px;flex-shrink:0;}
.hero-contact{
  background:var(--sage);padding:20px 28px;
  display:flex;align-items:center;justify-content:space-between;
}
.hero-phone{font-family:var(--serif);font-size:20px;font-weight:400;color:var(--cream);}
.hero-locations{font-size:11px;letter-spacing:0.12em;color:rgba(var(--cream-rgb),0.6);}

/* SECTION COMMONS */
.section{padding:96px 48px;}
.section-narrow{max-width:1100px;margin:0 auto;}
.section-label{
  font-size:11px;letter-spacing:0.2em;text-transform:uppercase;
  color:var(--muted);margin-bottom:16px;
  display:flex;align-items:center;gap:12px;
}
.section-label::before{content:'';display:block;width:24px;height:1px;background:var(--muted);}
.section-h2{
  font-family:var(--serif);font-size:clamp(32px,4vw,52px);
  font-weight:300;color:var(--deep);line-height:1.1;
  margin-bottom:48px;
}
.section-h2 em{font-style:italic;color:var(--muted);}

/* SERVICES */
.services-grid{
  display:grid;grid-template-columns:repeat(3,1fr);gap:2px;
}
.service-card{
  background:white;padding:36px 32px;
  border:1px solid rgba(var(--deep-rgb),0.07);
  transition:all .3s;cursor:default;
}
.service-card:hover{background:var(--deep);transform:translateY(-4px);}
.service-card:hover .sc-sym,
.service-card:hover .sc-title,
.service-card:hover .sc-desc{color:var(--cream);}
.service-card:hover .sc-line{background:var(--accent);}
.sc-sym{font-family:var(--serif);font-size:32px;color:var(--gold);margin-bottom:20px;display:block;transition:color .3s;}
.sc-title{font-family:var(--serif);font-size:20px;font-weight:400;color:var(--deep);margin-bottom:12px;transition:color .3s;}
.sc-line{width:24px;height:1px;background:var(--muted);margin-bottom:12px;transition:background .3s;}
.sc-desc{font-size:13px;color:var(--muted);line-height:1.7;transition:color .3s;}

/* SPLIT */
.split-section{
  display:grid;grid-template-columns:1fr 1fr;
  gap:0;min-height:520px;
}
.split-dark{
  background:var(--deep);padding:72px 64px;
  display:flex;flex-direction:column;justify-content:center;
}
.split-light{
  background:var(--cream);padding:72px 64px;
  display:flex;flex-direction:column;justify-content:center;
}
.split-dark .section-label{color:rgba(var(--cream-rgb),0.4);}
.split-dark .section-label::before{background:rgba(var(--cream-rgb),0.4);}
.split-dark-h2{
  font-family:var(--serif);font-size:clamp(28px,3vw,42px);
  font-weight:300;color:var(--cream);line-height:1.1;margin-bottom:24px;
}
.split-dark-h2 em{font-style:italic;color:var(--accent);}
.split-text{color:rgba(var(--cream-rgb),0.65);font-size:15px;line-height:1.8;}
.split-link{margin-top:32px;color:var(--accent);font-size:13px;letter-spacing:0.1em;text-decoration:none;display:inline-block;transition:color .2s;}
.split-link:hover{color:white;}
.split-light-h2{
  font-family:var(--serif);font-size:clamp(24px,2.5vw,36px);
  font-weight:300;color:var(--deep);line-height:1.1;margin-bottom:24px;
}
.split-light-h2 em{font-style:italic;color:var(--muted);}
.exp-list{display:flex;flex-direction:column;}
.exp-item{
  padding:14px 0;border-bottom:1px solid rgba(var(--deep-rgb),0.08);
  font-size:14px;color:var(--muted);
  display:flex;align-items:center;gap:12px;
}
.exp-item::before{content:'';width:4px;height:4px;border-radius:50%;background:var(--accent);flex-shrink:0;}

/* TESTIMONIALS */
.testi-wrap{background:var(--sage);padding:96px 48px;}
.testi-inner{max-width:1100px;margin:0 auto;}
.testi-label-tag{
  font-size:11px;letter-spacing:0.2em;text-transform:uppercase;
  color:var(--accent);margin-bottom:16px;
  display:flex;align-items:center;gap:12px;
}
.testi-label-tag::before{content:'';display:block;width:24px;height:1px;background:var(--accent);}
.testi-h2{
  font-family:var(--serif);font-size:clamp(32px,4vw,52px);
  font-weight:300;color:var(--cream);line-height:1.1;margin-bottom:48px;
}
.testi-h2 em{font-style:italic;color:var(--accent);}
.testi-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.testi-card{
  background:rgba(var(--white-rgb),0.08);
  padding:32px;
  border-top:2px solid var(--accent);
}
.testi-text{
  font-family:var(--serif);font-size:16px;font-weight:300;font-style:italic;
  color:rgba(var(--cream-rgb),0.85);line-height:1.8;margin-bottom:24px;
}
.testi-author{font-size:12px;letter-spacing:0.1em;color:var(--accent);}

/* CTA */
.cta-section{background:var(--gold);padding:80px 48px;text-align:center;}
.cta-label{
  font-size:11px;letter-spacing:0.2em;text-transform:uppercase;
  color:rgba(var(--deep-rgb),0.5);margin-bottom:16px;
  display:flex;align-items:center;gap:12px;justify-content:center;
}
.cta-label::before{content:'';display:block;width:24px;height:1px;background:rgba(var(--deep-rgb),0.3);}
.cta-label::after{content:'';display:block;width:24px;height:1px;background:rgba(var(--deep-rgb),0.3);}
.cta-h2{
  font-family:var(--serif);font-size:clamp(32px,4vw,52px);
  font-weight:300;color:var(--deep);line-height:1.1;margin-bottom:16px;
}
.cta-h2 em{font-style:italic;}
.cta-sub{font-size:15px;color:rgba(var(--deep-rgb),0.65);margin-bottom:40px;}
.cta-btns{display:flex;gap:16px;justify-content:center;flex-wrap:wrap;}
.cta-notice{
  max-width:620px;margin:40px auto 0;
  font-size:13px;line-height:1.6;
  color:rgba(var(--deep-rgb),0.6);
  border-top:1px solid rgba(var(--deep-rgb),0.15);
  padding-top:24px;
}
.cta-notice strong{font-weight:400;color:var(--deep);}
.btn-dark{
  background:var(--deep);color:var(--cream);
  padding:16px 40px;border-radius:2px;
  font-size:13px;letter-spacing:0.1em;
  text-decoration:none;transition:background .2s;display:inline-block;
}
.btn-dark:hover{background:var(--sage);}
.btn-outline-dark{
  border:2px solid var(--deep);color:var(--deep);
  padding:14px 38px;border-radius:2px;
  font-size:13px;letter-spacing:0.1em;
  text-decoration:none;transition:all .2s;display:inline-block;
}
.btn-outline-dark:hover{background:var(--deep);color:var(--cream);}

/* FOOTER */
footer{background:var(--deep);padding:64px 48px 40px;}
.foot-grid{max-width:1100px;margin:0 auto;display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:48px;}
.foot-logo{font-family:var(--serif);font-size:24px;font-weight:300;color:var(--cream);margin-bottom:16px;}
.foot-tagline{font-size:13px;color:rgba(var(--cream-rgb),0.45);line-height:1.8;}
.foot-heading{font-size:11px;letter-spacing:0.18em;text-transform:uppercase;color:var(--accent);margin-bottom:20px;}
.foot-link{display:block;font-size:13px;color:rgba(var(--cream-rgb),0.55);text-decoration:none;margin-bottom:10px;transition:color .2s;}
.foot-link:hover{color:var(--cream);}
.foot-bottom{
  max-width:1100px;margin:48px auto 0;
  padding-top:24px;border-top:1px solid rgba(var(--cream-rgb),0.1);
  display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:8px;
}
.foot-copy,.foot-addr{font-size:12px;color:rgba(var(--cream-rgb),0.3);}

/* RESPONSIVE */
@media(max-width:1024px){
  /* --- Menu mobile : tiroir --- */
  .nav-toggle{display:flex;}
  /* .nav-links devient un tiroir glissant depuis la droite. Hauteur en unités
     viewport : nav a un backdrop-filter et devient le bloc conteneur des
     fixed-descendants, donc bottom:0 = bas de la barre, pas de l'écran.
     100dvh/vh contourne ce piège. */
  .nav-links{
    position:fixed;top:0;right:0;z-index:950;
    width:min(82vw,320px);
    height:100vh;height:100dvh;
    flex-direction:column;gap:8px;
    padding:96px 32px 32px;
    background:var(--cream);
    box-shadow:-8px 0 40px rgba(var(--deep-rgb),0.18);
    transform:translateX(100%);
    visibility:hidden;
    transition:transform .3s ease, visibility .3s ease;
    overflow-y:auto;
  }
  .nav-links a{font-size:17px;padding:12px 0;}
  .nav-close{
    display:block;position:absolute;top:14px;right:18px;
    width:40px;height:40px;
    background:none;border:none;cursor:pointer;
    font-size:28px;line-height:1;color:var(--deep);
  }
  /* état ouvert (piloté par body.nav-open via menu.js) */
  body.nav-open{overflow:hidden;}
  .nav-open .nav-links{transform:translateX(0);visibility:visible;}
  .nav-open .nav-backdrop{opacity:1;pointer-events:auto;}

  /* --- Layout responsive --- */
  nav{padding:16px 24px;}
  .hero{grid-template-columns:1fr;min-height:auto;}
  .hero-left{padding:80px 32px 48px;}
  .hero-right{padding:32px 24px;}
  .services-grid{grid-template-columns:1fr 1fr;}
  .split-section{grid-template-columns:1fr;}
  .testi-grid{grid-template-columns:1fr;}
  .foot-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .section{padding:64px 24px;}
  .split-dark,.split-light{padding:48px 32px;}
}
@media(max-width:600px){
  .services-grid{grid-template-columns:1fr;}
  .foot-grid{grid-template-columns:1fr;}
  .foot-bottom{flex-direction:column;align-items:flex-start;}
  .hero-contact{flex-direction:column;gap:16px;align-items:flex-start;}
}

@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto;}
  .nav-links,.nav-backdrop{transition:none;}
}