:root{
  --navy: #132038;
  --navy-deep: #0D1728;
  --paper: #F4F0E4;
  --paper-dim: #EDE7D6;
  --ink: #1B1B16;
  --ink-soft: #4A4738;
  --gold: #A9822F;
  --gold-soft: #C9AE73;
  --line: #D8D0B8;
  --off-white: #EFE9D8;
}
*{box-sizing:border-box;margin:0;padding:0;}
html{scroll-behavior:smooth;}
body{
  background:var(--paper);
  color:var(--ink);
  font-family:'Inter',sans-serif;
  font-size:17px;
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3{
  font-family:'Fraunces',serif;
  font-weight:600;
  color:var(--ink);
  line-height:1.15;
}
.wrap{max-width:760px;margin:0 auto;padding:0 28px;}
a{color:inherit;}
em{font-style:italic;color:var(--gold);}

/* PROGRESS BAR */
.progress-bar{
  position:fixed;top:0;left:0;height:3px;background:var(--gold);
  width:0%;z-index:1000;transition:width .1s linear;
}

/* NAV */
.nav{
  position:fixed;top:0;left:0;right:0;z-index:900;
  background:rgba(13,23,40,0);
  padding:18px 0;
  transition:background .25s ease, padding .25s ease, box-shadow .25s ease;
}
.nav.scrolled{
  background:rgba(13,23,40,0.96);
  padding:12px 0;
  box-shadow:0 4px 20px rgba(0,0,0,0.15);
}
.nav-inner{display:flex;align-items:center;justify-content:space-between;}
.nav-mark{
  font-family:'Fraunces',serif;
  font-size:15px;
  letter-spacing:0.08em;
  color:var(--gold-soft);
  text-decoration:none;
}
.nav-links{display:flex;align-items:center;gap:26px;}
.nav-links a{
  color:var(--off-white);
  text-decoration:none;
  font-size:14.5px;
  font-weight:500;
  opacity:0.85;
  transition:opacity .15s ease;
}
.nav-links a:hover{opacity:1;}
.nav-toggle{
  display:none;
  flex-direction:column;
  gap:5px;
  background:none;
  border:none;
  cursor:pointer;
  padding:6px;
}
.nav-toggle span{
  width:22px;height:2px;background:var(--off-white);display:block;
  transition:transform .25s ease, opacity .25s ease;
}
.nav-toggle.active span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.nav-toggle.active span:nth-child(2){opacity:0;}
.nav-toggle.active span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}

@media(max-width:760px){
  .nav-links{
    position:fixed;top:0;right:0;height:100vh;width:min(78vw,320px);
    background:var(--navy-deep);
    flex-direction:column;align-items:flex-start;
    padding:100px 32px 40px;
    gap:22px;
    transform:translateX(100%);
    transition:transform .3s ease;
  }
  .nav-links.open{transform:translateX(0);box-shadow:-12px 0 40px rgba(0,0,0,0.3);}
  .nav-links a{font-size:17px;opacity:1;}
  .nav-links .btn-small{margin-top:6px;}
  .nav-toggle{display:flex;}
}

.btn,.btn-small{
  display:inline-block;
  background:var(--gold);
  color:var(--navy-deep);
  font-family:'Inter',sans-serif;
  font-weight:600;
  font-size:16px;
  padding:15px 30px;
  border:none;
  border-radius:2px;
  text-decoration:none;
  letter-spacing:0.01em;
  cursor:pointer;
  transition:background .15s ease, transform .15s ease, box-shadow .2s ease;
  position:relative;
}
.btn:hover,.btn-small:hover{background:var(--gold-soft);transform:translateY(-2px);box-shadow:0 8px 20px rgba(169,130,47,0.28);}
.btn:active,.btn-small:active{transform:translateY(0);}
.btn-small{padding:9px 18px;font-size:13.5px;}
.btn-block{width:100%;text-align:center;display:flex;align-items:center;justify-content:center;gap:10px;}
.btn-ghost{
  display:inline-block;
  border:1px solid rgba(239,233,216,0.4);
  color:var(--off-white);
  font-weight:500;
  font-size:15px;
  padding:13px 26px;
  border-radius:2px;
  text-decoration:none;
  transition:border-color .15s ease, background .15s ease;
}
.btn-ghost:hover{border-color:var(--gold-soft);background:rgba(201,174,115,0.08);}

/* HERO */
header.hero{
  position:relative;
  overflow:hidden;
  background:var(--navy-deep);
  color:var(--off-white);
  padding:130px 0 88px;
}
.hero-glow{
  position:absolute;
  top:-180px;right:-160px;
  width:520px;height:520px;
  background:radial-gradient(circle, rgba(169,130,47,0.28), transparent 70%);
  pointer-events:none;
}
.hero-mark{
  font-family:'Fraunces',serif;
  font-size:15px;
  letter-spacing:0.08em;
  color:var(--gold-soft);
  margin-bottom:40px;
}
.hero h1{
  color:var(--off-white);
  font-size:44px;
  max-width:640px;
  margin-bottom:22px;
}
.hero p.sub{
  color:#C9C3AC;
  font-size:19px;
  max-width:520px;
  margin-bottom:34px;
}
.hero-cta{display:flex;gap:16px;flex-wrap:wrap;align-items:center;}
.hero-note{color:#8B876F;font-size:14px;margin-top:18px;}

section{padding:64px 0;position:relative;}
.divider{border:none;border-top:1px solid var(--line);}

.constat p{font-size:19px;color:var(--ink-soft);max-width:600px;}
.constat p + p{margin-top:16px;}
.constat strong{color:var(--ink);font-weight:600;}

.callout{color:var(--ink-soft);font-size:16.5px;max-width:600px;margin-top:32px;border-left:2px solid var(--gold);padding-left:18px;}

h2.section-title{font-size:30px;margin-bottom:12px;}
p.section-lead{color:var(--ink-soft);font-size:17px;max-width:560px;margin-bottom:40px;}

/* PROGRAMME */
.step{
  display:grid;
  grid-template-columns:56px 1fr;
  gap:20px;
  padding:26px 0;
  border-top:1px solid var(--line);
  transition:padding-left .2s ease;
}
.step:last-child{border-bottom:1px solid var(--line);}
.step:hover{padding-left:6px;}
.step-num{
  font-family:'Fraunces',serif;
  font-size:24px;
  color:var(--gold);
  font-weight:500;
}
.step h3{font-size:20px;margin-bottom:6px;}
.step p{color:var(--ink-soft);font-size:16px;max-width:520px;}

/* POUR QUI */
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:36px;}
.grid2 h3{font-size:18px;margin-bottom:14px;}
.grid2 ul{list-style:none;}
.grid2 li{
  color:var(--ink-soft);
  font-size:15.5px;
  padding-left:20px;
  position:relative;
  margin-bottom:11px;
}
.grid2 li::before{
  content:"—";
  position:absolute;
  left:0;
  color:var(--gold);
}
.list-no li::before{color:#A85C3F;}
@media(max-width:600px){.grid2{grid-template-columns:1fr;gap:28px;}}

/* PREUVES */
.proof-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:22px;
  margin-top:8px;
}
.proof-card{
  background:var(--paper-dim);
  border:1px solid var(--line);
  border-radius:6px;
  padding:34px 20px;
  text-align:center;
  transition:transform .2s ease, box-shadow .2s ease;
}
.proof-card:hover{transform:translateY(-4px);box-shadow:0 14px 30px rgba(27,27,22,0.08);}
.proof-value{
  font-family:'Fraunces',serif;
  font-size:26px;
  color:var(--navy);
  margin-bottom:8px;
}
.proof-caption{
  font-size:14px;
  color:var(--ink-soft);
}
.proof-caption strong{color:var(--ink);font-family:'Fraunces',serif;font-weight:600;}
@media(max-width:640px){
  .proof-grid{grid-template-columns:1fr;max-width:320px;margin-left:auto;margin-right:auto;}
}

/* FORMAT */
.facts{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:24px 40px;
  margin-top:8px;
}
.fact-label{font-size:13px;color:var(--ink-soft);text-transform:none;margin-bottom:4px;}
.fact-value{font-family:'Fraunces',serif;font-size:20px;color:var(--ink);}
@media(max-width:600px){.facts{grid-template-columns:1fr;}}

/* INVESTISSEMENT */
.price-block{
  background:var(--navy-deep);
  color:var(--off-white);
  padding:46px 40px;
  border-radius:2px;
}
.price-block .price{
  font-family:'Fraunces',serif;
  font-size:46px;
  color:var(--off-white);
  margin:6px 0 4px;
}
.price-block .price-note{color:#9C9782;font-size:14px;margin-bottom:26px;}
.price-block ul{list-style:none;margin-bottom:30px;}
.price-block li{
  padding-left:22px;
  position:relative;
  margin-bottom:10px;
  color:#D9D4BF;
  font-size:15.5px;
}
.price-block li::before{
  content:"—";
  position:absolute;left:0;color:var(--gold-soft);
}

/* FAQ */
.faq-list{max-width:640px;}
.faq-item{border-top:1px solid var(--line);}
.faq-item:last-child{border-bottom:1px solid var(--line);}
.faq-question{
  width:100%;
  text-align:left;
  background:none;
  border:none;
  font-family:'Fraunces',serif;
  font-size:17px;
  color:var(--ink);
  padding:22px 0;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  cursor:pointer;
}
.faq-icon{
  flex-shrink:0;
  width:26px;height:26px;
  border-radius:50%;
  border:1px solid var(--gold);
  color:var(--gold);
  display:flex;align-items:center;justify-content:center;
  font-size:16px;
  transition:transform .25s ease, background .2s ease, color .2s ease;
}
.faq-item.open .faq-icon{transform:rotate(45deg);background:var(--gold);color:var(--navy-deep);}
.faq-answer{
  max-height:0;
  overflow:hidden;
  transition:max-height .3s ease;
}
.faq-answer p{color:var(--ink-soft);font-size:15.5px;padding-bottom:22px;max-width:560px;}

/* A PROPOS */
.apropos p{color:var(--ink-soft);font-size:16.5px;max-width:600px;}
.apropos p + p{margin-top:14px;}

footer{
  background:var(--navy-deep);
  color:#8B876F;
  padding:56px 0 40px;
  text-align:center;
}
footer h2{color:var(--off-white);font-size:28px;margin-bottom:14px;}
footer p{max-width:440px;margin:0 auto 28px;color:#C9C3AC;}
footer .foot-note{margin-top:24px;font-size:13px;color:#6B6752;}

/* CONTACT FORM */
.contact-form{max-width:440px;margin:0 auto;text-align:left;}
.hidden-field{display:none;}
.form-row{display:flex;gap:12px;margin-bottom:12px;}
.contact-form input,.contact-form textarea{
  width:100%;
  background:rgba(239,233,216,0.06);
  border:1px solid rgba(239,233,216,0.2);
  color:var(--off-white);
  font-family:'Inter',sans-serif;
  font-size:15px;
  padding:13px 14px;
  border-radius:2px;
  transition:border-color .15s ease, background .15s ease;
}
.contact-form input::placeholder,.contact-form textarea::placeholder{color:#8B876F;}
.contact-form input:focus,.contact-form textarea:focus{
  outline:none;
  border-color:var(--gold-soft);
  background:rgba(239,233,216,0.1);
}
.contact-form textarea{margin-bottom:16px;resize:vertical;}
@media(max-width:520px){.form-row{flex-direction:column;}}

.btn-spinner{
  width:15px;height:15px;
  border:2px solid rgba(13,23,40,0.3);
  border-top-color:var(--navy-deep);
  border-radius:50%;
  display:none;
  animation:spin .6s linear infinite;
}
.contact-form.submitting .btn-spinner{display:inline-block;}
.contact-form.submitting .btn-label{opacity:0.7;}
@keyframes spin{to{transform:rotate(360deg);}}

.form-success{
  display:none;
  margin-top:16px;
  color:var(--gold-soft);
  font-size:14px;
  text-align:center;
}
.contact-form.sent .form-success{display:block;}
.contact-form.sent input,.contact-form.sent textarea,.contact-form.sent button{display:none;}

/* STICKY CTA (mobile) */
.sticky-cta{
  position:fixed;
  bottom:0;left:0;right:0;
  background:var(--gold);
  color:var(--navy-deep);
  text-align:center;
  font-weight:600;
  font-size:15px;
  padding:15px 0;
  text-decoration:none;
  z-index:800;
  transform:translateY(100%);
  transition:transform .3s ease;
  display:none;
}
.sticky-cta.show{transform:translateY(0);}
@media(max-width:640px){.sticky-cta{display:block;}}

/* SCROLL REVEAL */
.reveal{
  opacity:0;
  transform:translateY(24px);
  transition:opacity .6s ease, transform .6s ease;
}
.reveal.in-view{opacity:1;transform:translateY(0);}

@media(prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none;transition:none;}
  html{scroll-behavior:auto;}
}

@media(max-width:600px){
  .hero h1{font-size:32px;}
  .hero p.sub{font-size:17px;}
  header.hero{padding:110px 0 70px;}
}