:root{
  --ground:#EDEFF3;
  --ground-2:#E4E8EE;
  --panel:#0A1729;
  --text:#101C2E;
  --text-soft:#44526650;
  --muted:#5A6779;
  --rule:#C2CAD6;
  --rule-soft:#D6DCE4;
  --gold:#8E6524;
  --gold-line:#BE9256;
  --gold-bright:#C89B5E;
  --on-panel:#E9ECF1;
  --on-panel-muted:#93A0B2;
  --max:1180px;
  --step--1:clamp(.76rem,.72rem + .2vw,.84rem);
  --step-0:clamp(1rem,.96rem + .2vw,1.075rem);
  --step-1:clamp(1.2rem,1.1rem + .5vw,1.4rem);
  --step-2:clamp(1.6rem,1.35rem + 1.1vw,2.25rem);
  --step-3:clamp(2.1rem,1.6rem + 2.2vw,3.4rem);
  --step-4:clamp(2.6rem,1.7rem + 3.8vw,5rem);
}
@media (prefers-color-scheme:dark){
  :root:not([data-theme="light"]){
    --ground:#0A1729;--ground-2:#0E2038;--panel:#060F1D;
    --text:#E9ECF1;--muted:#93A0B2;--rule:#22314A;--rule-soft:#1A2740;
    --gold:#D8AC6E;--gold-line:#8E6C3C;--gold-bright:#E0B26E;
    --on-panel:#E9ECF1;--on-panel-muted:#93A0B2;
  }
}
:root[data-theme="dark"]{
  --ground:#0A1729;--ground-2:#0E2038;--panel:#060F1D;
  --text:#E9ECF1;--muted:#93A0B2;--rule:#22314A;--rule-soft:#1A2740;
  --gold:#D8AC6E;--gold-line:#8E6C3C;--gold-bright:#E0B26E;
  --on-panel:#E9ECF1;--on-panel-muted:#93A0B2;
}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:5rem}
body{
  margin:0;background:var(--ground);color:var(--text);
  font-family:"Montserrat",-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  font-weight:300;font-size:var(--step-0);line-height:1.65;
  -webkit-font-smoothing:antialiased;
}
::selection{background:var(--gold-bright);color:#0A1729}
a{color:inherit}
:focus-visible{outline:2px solid var(--gold-bright);outline-offset:3px}

.wrap{max-width:var(--max);margin-inline:auto;padding-inline:clamp(1.25rem,5vw,3.5rem)}

/* ---------- marque ---------- */
.mark{display:flex;flex-direction:column;align-items:center;gap:.35em;line-height:1}
.mark__name{
  font-weight:300;letter-spacing:.30em;text-indent:.30em;
  font-size:var(--wm,var(--step-3));white-space:nowrap;
}
.mark__name i{font-style:normal;color:var(--gold-bright)}
.mark__sub{
  font-weight:400;color:var(--gold);
  letter-spacing:.44em;text-indent:.44em;
  font-size:calc(var(--wm,var(--step-3)) * .375);
}

/* ---------- navbar ---------- */
.nav{
  position:fixed;top:0;left:0;right:0;z-index:100;
  color:var(--on-panel);
  transition:transform .4s cubic-bezier(.22,.61,.36,1),background-color .3s ease,color .3s ease,border-color .3s ease,box-shadow .3s ease;
  border-bottom:1px solid transparent;
}
.nav--hidden{transform:translateY(-101%)}
.nav--scrolled{
  background:color-mix(in srgb,var(--ground) 88%,transparent);
  -webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);
  color:var(--text);border-bottom-color:var(--rule-soft);
}
.nav__in{display:flex;align-items:center;justify-content:space-between;gap:1.5rem;min-height:4.25rem}
.nav__brand{
  display:inline-flex;align-items:baseline;gap:0;text-decoration:none;
  font-weight:300;letter-spacing:.14em;font-size:1rem;line-height:1;white-space:nowrap;
}
.nav__brand i{font-style:normal;color:var(--gold-bright)}
.nav__brand span{font-size:.62rem;font-weight:400;letter-spacing:.22em;color:var(--gold);margin-left:.9em}
.nav--scrolled .nav__brand span{color:var(--gold)}
.nav__links{display:flex;align-items:center;gap:clamp(1.1rem,2.5vw,2rem)}
.nav__links a{
  white-space:nowrap;
  font-size:var(--step--1);letter-spacing:.16em;text-transform:uppercase;
  font-weight:400;text-decoration:none;opacity:.82;
  transition:color .2s ease,opacity .2s ease;
}
.nav__links a:hover{color:var(--gold-bright);opacity:1}
.nav__links a.nav__cta{
  border:1px solid var(--gold-line);padding:.55em 1.2em;opacity:1;
  transition:background-color .2s ease,color .2s ease;
}
.nav__links a.nav__cta:hover{background:var(--gold-bright);color:#0A1729}
.nav__theme{
  display:inline-flex;align-items:center;justify-content:center;
  width:2.2rem;height:2.2rem;padding:0;border:0;background:none;color:inherit;
  cursor:pointer;opacity:.82;transition:color .2s ease,opacity .2s ease;
}
.nav__theme:hover{color:var(--gold-bright);opacity:1}
.nav__theme svg{width:1.1rem;height:1.1rem}
:root:not([data-theme="light"]) .theme-ico--moon{display:none}
:root[data-theme="dark"] .theme-ico--sun{display:block}
:root[data-theme="dark"] .theme-ico--moon{display:none}
:root[data-theme="light"] .theme-ico--sun{display:none}
:root[data-theme="light"] .theme-ico--moon{display:block}
@media (prefers-color-scheme:dark){
  :root:not([data-theme="light"]) .theme-ico--sun{display:block}
}
@media (prefers-color-scheme:light){
  :root:not([data-theme="dark"]) .theme-ico--sun{display:none}
  :root:not([data-theme="dark"]) .theme-ico--moon{display:block}
}
.nav__burger{
  display:none;width:2.4rem;height:2.4rem;padding:0;border:0;background:none;color:inherit;cursor:pointer;
  flex-direction:column;align-items:center;justify-content:center;gap:6px;
}
.nav__burger span,.nav__burger::before,.nav__burger::after{
  content:"";display:block;width:22px;height:1px;background:currentColor;transition:transform .3s ease,opacity .3s ease;
}
.nav__burger[aria-expanded="true"]::before{transform:translateY(7px) rotate(45deg)}
.nav__burger[aria-expanded="true"] span{opacity:0}
.nav__burger[aria-expanded="true"]::after{transform:translateY(-7px) rotate(-45deg)}
@media (max-width:1080px){
  .nav__burger{display:flex}
  .nav__links{
    position:absolute;top:100%;left:0;right:0;
    flex-direction:column;align-items:flex-start;gap:0;
    background:var(--panel);color:var(--on-panel);
    border-bottom:1px solid var(--gold-line);
    padding:.75rem clamp(1.25rem,5vw,3.5rem) 1.5rem;
    display:none;
  }
  .nav__links.open{display:flex}
  .nav__links a{padding:.85em 0;width:100%;border-bottom:1px solid #1A2740}
  .nav__links a.nav__cta{border:1px solid var(--gold-line);width:auto;margin-top:1rem;padding:.55em 1.2em}
  .nav__theme{margin-top:1rem}
}

/* ---------- hero ---------- */
.hero{
  background:var(--panel);color:var(--on-panel);
  min-height:min(94svh,900px);
  display:flex;flex-direction:column;justify-content:center;
  padding-block:clamp(5.5rem,14vh,10rem) clamp(4rem,12vh,9rem);
  position:relative;overflow:hidden;
}
.hero::after{
  content:"";position:absolute;inset:auto -10% -40% 40%;height:80%;
  background:radial-gradient(60% 60% at 60% 60%,rgba(200,155,94,.16),transparent 70%);
  pointer-events:none;
}
.hero .wrap{position:relative;display:flex;flex-direction:column;gap:clamp(2.5rem,7vh,4.5rem)}
.hero .mark{align-items:flex-start;--wm:clamp(1.9rem,1.2rem + 3vw,3.2rem)}
.hero .mark__name{color:#fff}
.hero .mark__sub{color:var(--gold-bright)}
.hero__thesis{
  font-family:"Spectral",Georgia,serif;font-weight:300;
  font-size:var(--step-4);line-height:1.12;letter-spacing:-.015em;
  text-wrap:balance;margin:0;max-width:19ch;
}
.hero__baseline{
  display:flex;flex-wrap:wrap;align-items:center;gap:.9em;
  font-size:var(--step--1);letter-spacing:.22em;text-transform:uppercase;
  color:var(--gold-bright);font-weight:400;margin:0;
}
.hero__baseline span{display:inline-flex;align-items:center;gap:.9em}
.hero__baseline span::after{content:"";width:clamp(18px,4vw,40px);height:1px;background:var(--gold-line)}
.hero__baseline span:last-child::after{display:none}

/* ---------- en-tête de page interne ---------- */
.page-head{
  background:var(--panel);color:var(--on-panel);
  padding-block:clamp(7rem,18vh,10rem) clamp(3rem,7vh,4.5rem);
  position:relative;overflow:hidden;
}
.page-head::after{
  content:"";position:absolute;inset:auto -10% -60% 40%;height:100%;
  background:radial-gradient(60% 60% at 60% 60%,rgba(200,155,94,.13),transparent 70%);
  pointer-events:none;
}
.page-head h1{
  font-family:"Spectral",Georgia,serif;font-weight:300;
  font-size:var(--step-3);line-height:1.15;letter-spacing:-.01em;
  margin:0;text-wrap:balance;max-width:22ch;
}
.page-head .label{color:var(--on-panel-muted);margin-bottom:1.25rem}
.page-head .label::after{background:#22314A}

/* ---------- sections ---------- */
section{padding-block:clamp(4.5rem,11vh,8rem)}
section + section{border-top:1px solid var(--rule-soft)}
.label{
  font-size:var(--step--1);letter-spacing:.24em;text-transform:uppercase;
  color:var(--muted);font-weight:400;margin:0 0 clamp(1.75rem,4vh,2.75rem);
  display:flex;align-items:center;gap:1rem;
}
.label::after{content:"";flex:1;height:1px;background:var(--rule)}
h2{
  font-family:"Spectral",Georgia,serif;font-weight:300;
  font-size:var(--step-3);line-height:1.15;letter-spacing:-.01em;
  margin:0 0 1em;text-wrap:balance;max-width:22ch;
}
h3{
  font-family:"Spectral",Georgia,serif;font-weight:400;
  font-size:var(--step-1);line-height:1.25;margin:0 0 .5em;
}
p{margin:0 0 1.15em;max-width:63ch}
p:last-child{margin-bottom:0}
.lede{font-family:"Spectral",Georgia,serif;font-size:var(--step-1);line-height:1.55;font-weight:300}

.split{display:grid;gap:clamp(2rem,5vw,4.5rem);grid-template-columns:1fr}
@media(min-width:900px){.split{grid-template-columns:minmax(0,1fr) minmax(0,1.15fr)}}

.quote{
  font-family:"Spectral",Georgia,serif;font-style:italic;font-weight:300;
  font-size:var(--step-2);line-height:1.3;color:var(--text);
  margin:clamp(2rem,5vh,3.25rem) 0 0;padding-left:clamp(1rem,3vw,2rem);
  border-left:2px solid var(--gold-line);max-width:26ch;text-wrap:balance;
}

/* ---------- triptyque ---------- */
.triptych{display:grid;gap:clamp(2rem,4vw,3rem);grid-template-columns:1fr}
@media(min-width:820px){.triptych{grid-template-columns:repeat(3,1fr)}}
.triptych article{border-top:1px solid var(--gold-line);padding-top:1.25rem}
.triptych h3{color:var(--gold);letter-spacing:.02em}
.triptych p{font-size:var(--step--1);line-height:1.7;color:var(--muted);max-width:34ch}

/* ---------- terrains ---------- */
.fields{display:grid;gap:0 clamp(2rem,4vw,3.5rem);grid-template-columns:1fr}
@media(min-width:700px){.fields{grid-template-columns:repeat(2,1fr)}}
.field{padding-block:clamp(1.5rem,3vh,2.25rem);border-top:1px solid var(--rule)}
.field h3{font-size:var(--step-1);margin-bottom:.65em}
.field p{font-size:var(--step--1);color:var(--muted);margin:0 0 1em;max-width:32ch;line-height:1.6}
.field ul{list-style:none;margin:0;padding:0;font-size:var(--step--1);line-height:2.05;color:var(--text)}
.field li{position:relative;padding-left:1.1em}
.field li::before{content:"";position:absolute;left:0;top:.95em;width:5px;height:1px;background:var(--gold-line)}

/* ---------- approche ---------- */
.method{list-style:none;margin:0;padding:0;display:grid;gap:0}
.method li{
  display:grid;gap:.35rem clamp(1.5rem,4vw,3rem);
  padding-block:clamp(1.35rem,3vh,1.9rem);border-top:1px solid var(--rule-soft);
}
@media(min-width:800px){.method li{grid-template-columns:minmax(0,20rem) minmax(0,1fr);align-items:baseline}}
.method strong{font-family:"Spectral",Georgia,serif;font-weight:400;font-size:var(--step-1)}
.method span{color:var(--muted);font-size:var(--step--1);line-height:1.7;max-width:52ch}

/* ---------- fondation / fondateur ---------- */
.foundation{background:var(--panel);color:var(--on-panel);border-top:none !important}
.foundation .label{color:var(--on-panel-muted)}
.foundation .label::after{background:#22314A}
.foundation h2{color:#fff}
.foundation p{color:var(--on-panel-muted)}
.foundation .lede{color:var(--on-panel)}
.founder{
  margin-top:clamp(2rem,5vh,3rem);padding-top:1.5rem;border-top:1px solid #22314A;
  display:flex;flex-direction:column;gap:.2rem;
}
.founder strong{
  font-family:"Spectral",Georgia,serif;font-weight:400;font-size:var(--step-1);
  color:#fff;letter-spacing:.01em;
}
.founder span{
  font-size:var(--step--1);letter-spacing:.2em;text-transform:uppercase;
  color:var(--gold-bright);font-weight:400;
}
.creds{display:flex;flex-wrap:wrap;gap:.6rem 1.6rem;margin-top:clamp(1.5rem,3vh,2rem);padding:0;list-style:none}
.creds li{
  font-size:var(--step--1);letter-spacing:.14em;text-transform:uppercase;
  color:var(--gold-bright);font-weight:400;
}

/* ---------- contact ---------- */
.contact .split{align-items:start}
.contact__aside{display:flex;flex-direction:column;gap:clamp(1.5rem,4vh,2.5rem);align-items:flex-start}
.mailto{
  font-family:"Spectral",Georgia,serif;font-weight:300;
  font-size:var(--step-2);color:var(--text);text-decoration:none;
  border-bottom:1px solid var(--gold-line);padding-bottom:.1em;
  transition:border-color .25s ease,color .25s ease;word-break:break-word;
}
.mailto:hover{color:var(--gold);border-color:var(--gold)}
.linkedin{
  font-size:var(--step--1);letter-spacing:.16em;text-transform:uppercase;
  color:var(--muted);text-decoration:none;border-bottom:1px solid var(--rule);
  padding-bottom:.25em;transition:color .25s ease,border-color .25s ease;
}
.linkedin:hover{color:var(--gold);border-color:var(--gold-line)}

/* ---------- formulaire ---------- */
.cform{display:grid;gap:clamp(1.5rem,3vh,2rem)}
.cform__row{display:grid;gap:clamp(1.5rem,3vh,2rem)}
@media(min-width:640px){.cform__row{grid-template-columns:1fr 1fr}}
.cform label{
  display:grid;gap:.5rem;
  font-size:var(--step--1);letter-spacing:.16em;text-transform:uppercase;
  color:var(--muted);font-weight:400;
}
.cform input,.cform select,.cform textarea{
  font-family:inherit;font-weight:300;font-size:var(--step-0);color:var(--text);
  background:transparent;border:0;border-bottom:1px solid var(--rule);
  border-radius:0;padding:.5em 0;width:100%;
  transition:border-color .25s ease;
}
.cform textarea{resize:vertical;min-height:7em;line-height:1.6}
.cform select{appearance:none;-webkit-appearance:none;cursor:pointer;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='6'%3E%3Cpath d='M1 1l4 4 4-4' fill='none' stroke='%23BE9256'/%3E%3C/svg%3E");
  background-repeat:no-repeat;background-position:right .25em center;padding-right:1.5em;
}
.cform select option{color:#101C2E;background:#EDEFF3}
.cform input:focus,.cform select:focus,.cform textarea:focus{outline:none;border-bottom-color:var(--gold-line)}
.cform input::placeholder,.cform textarea::placeholder{color:var(--muted);opacity:.55}
.cform__submit{
  justify-self:start;cursor:pointer;
  font-family:inherit;font-size:var(--step--1);font-weight:400;
  letter-spacing:.2em;text-transform:uppercase;
  color:var(--text);background:transparent;border:1px solid var(--gold-line);
  padding:.95em 2.2em;transition:background-color .25s ease,color .25s ease;
}
.cform__submit:hover{background:var(--gold-bright);color:#0A1729;border-color:var(--gold-bright)}
.cform__note{font-size:var(--step--1);color:var(--muted);line-height:1.6;max-width:52ch}
.cform__note a{color:var(--gold);text-decoration:none;border-bottom:1px solid var(--gold-line)}
.cform__note a:hover{color:var(--gold-bright)}

/* ---------- pages légales ---------- */
.legal{padding-block:clamp(3.5rem,8vh,5.5rem) clamp(4.5rem,11vh,8rem)}
.legal .wrap{max-width:52rem}
.legal h2{
  font-size:var(--step-2);margin:clamp(2.5rem,6vh,3.5rem) 0 .75em;
  padding-top:clamp(1.5rem,3vh,2rem);border-top:1px solid var(--rule-soft);
}
.legal h2:first-of-type{margin-top:0;padding-top:0;border-top:none}
.legal p,.legal li{color:var(--muted);font-size:var(--step-0);line-height:1.75}
.legal strong{color:var(--text);font-weight:500}
.legal ul{margin:0 0 1.15em;padding-left:1.1em}
.legal a{color:var(--gold);text-decoration:none;border-bottom:1px solid var(--gold-line);transition:color .2s ease}
.legal a:hover{color:var(--gold-bright)}
.legal .updated{
  font-size:var(--step--1);letter-spacing:.16em;text-transform:uppercase;
  color:var(--muted);margin-bottom:clamp(2rem,5vh,3rem);
}
.legal .todo{color:var(--gold);font-style:italic}
.legal table{width:100%;border-collapse:collapse;font-size:var(--step--1);margin:0 0 1.5em}
.legal th{
  text-align:left;font-weight:400;letter-spacing:.14em;text-transform:uppercase;
  color:var(--muted);padding:.6em .8em .6em 0;border-bottom:1px solid var(--rule);
}
.legal td{padding:.7em .8em .7em 0;border-bottom:1px solid var(--rule-soft);color:var(--muted);vertical-align:top}

/* ---------- footer ---------- */
footer{
  background:var(--panel);color:var(--on-panel-muted);
  padding-block:clamp(2.5rem,6vh,4rem);font-size:var(--step--1);
}
footer .wrap{display:flex;flex-direction:column;gap:2rem}
.footer__top{display:flex;flex-wrap:wrap;gap:1.5rem 2.5rem;align-items:center;justify-content:space-between}
footer .mark{align-items:flex-start;--wm:1.15rem}
footer .mark__name{color:#fff}
footer .tagline{letter-spacing:.2em;text-transform:uppercase;color:var(--gold-bright)}
.footer__bottom{
  display:flex;flex-wrap:wrap;gap:1rem 2rem;align-items:center;justify-content:space-between;
  padding-top:1.5rem;border-top:1px solid #1A2740;
}
.footer__legal{display:flex;flex-wrap:wrap;gap:.75rem 1.75rem;margin:0;padding:0;list-style:none}
.footer__legal a{
  text-decoration:none;letter-spacing:.1em;text-transform:uppercase;
  transition:color .2s ease;
}
.footer__legal a:hover{color:var(--gold-bright)}

/* ---------- retour en haut ---------- */
.totop{
  position:fixed;right:clamp(1rem,3vw,2rem);bottom:clamp(1rem,3vw,2rem);z-index:90;
  width:2.9rem;height:2.9rem;display:flex;align-items:center;justify-content:center;
  background:var(--panel);color:var(--on-panel);border:1px solid var(--gold-line);
  cursor:pointer;opacity:0;transform:translateY(10px);pointer-events:none;
  transition:opacity .3s ease,transform .3s ease,background-color .2s ease,color .2s ease;
}
.totop.show{opacity:1;transform:none;pointer-events:auto}
.totop:hover{background:var(--gold-bright);color:#0A1729;border-color:var(--gold-bright)}
.totop svg{width:1rem;height:1rem}

/* ---------- motion ---------- */
.reveal{opacity:0;transform:translateY(14px)}
.reveal.in{opacity:1;transform:none;transition:opacity .7s cubic-bezier(.22,.61,.36,1),transform .7s cubic-bezier(.22,.61,.36,1)}
@media(prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .reveal,.reveal.in{opacity:1;transform:none;transition:none}
  *{scroll-behavior:auto !important}
}