:root{
  --navy:#0D1B2A;
  --charcoal:#262831;
  --gold:#C79D5C;
  --gold-dim:#A67F3E;
  --cream:#E6E2D5;
  --paper:#F7F4EC;
  --white:#FFFFFF;
  --rule-on-navy: rgba(199,157,92,.28);
  --rule-on-cream: rgba(13,27,42,.16);
  --font-display:'Constantia','Iowan Old Style','Palatino Linotype',Palatino,'Book Antiqua',Georgia,serif;
  --font-body:-apple-system,BlinkMacSystemFont,'Segoe UI','Helvetica Neue',Arial,sans-serif;
  --measure:38rem;
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
@media (prefers-reduced-motion:reduce){ html{scroll-behavior:auto;} }
body{
  margin:0;
  background:var(--cream);
  color:var(--navy);
  font-family:var(--font-body);
  font-size:17px;
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,blockquote{font-family:var(--font-display); text-wrap:balance; margin:0;}
a{color:inherit;}
img{max-width:100%;display:block;}
.container{max-width:1180px;margin:0 auto;padding-inline:2.5rem;}
@media (max-width:640px){ .container{padding-inline:1.25rem;} }

.eyebrow{
  font-size:.72rem;
  letter-spacing:.16em;
  text-transform:uppercase;
  color:var(--gold);
  font-weight:600;
  display:flex;
  align-items:center;
  gap:.6em;
}
.eyebrow::before{content:"";width:1.6em;height:1px;background:var(--gold);display:inline-block;}
.band-navy .eyebrow{color:var(--gold);}
.band-cream .eyebrow{color:var(--gold-dim);}

/* ---------- Elevation gutter ---------- */
#gutter{
  position:fixed;
  left:1.4rem;
  top:50%;
  transform:translateY(-50%);
  width:2.4rem;
  height:min(58vh,560px);
  z-index:40;
  display:flex;
  flex-direction:column;
  align-items:center;
  pointer-events:none;
}
@media (max-width:1024px){ #gutter{display:none;} }
#gutter .rail{
  position:relative;
  flex:1;
  width:1px;
  background:linear-gradient(to bottom, transparent, rgba(13,27,42,.35) 8%, rgba(13,27,42,.35) 92%, transparent);
}
#gutter .dot{
  position:absolute;
  left:50%;
  top:0;
  width:9px;height:9px;
  margin-left:-4.5px;
  border-radius:50%;
  background:var(--gold);
  box-shadow:0 0 0 4px rgba(199,157,92,.22);
  transition:top .25s ease-out;
}
@media (prefers-reduced-motion:reduce){ #gutter .dot{transition:none;} }
#gutter .tick{
  position:absolute;
  left:50%;
  width:7px;height:1px;
  margin-left:-3.5px;
  background:rgba(13,27,42,.35);
}
#gutter .readout{
  margin-top:.85rem;
  text-align:center;
  font-size:.62rem;
  letter-spacing:.1em;
  text-transform:uppercase;
  color:var(--charcoal);
  font-variant-numeric:tabular-nums;
  line-height:1.35;
}
#gutter .readout b{display:block;font-size:.82rem;color:var(--navy);font-family:var(--font-body);font-weight:700;letter-spacing:.02em;}

/* ---------- Header ---------- */
header{
  position:sticky;top:0;z-index:50;
  background:rgba(230,226,213,.86);
  backdrop-filter:saturate(140%) blur(10px);
  border-bottom:1px solid var(--rule-on-cream);
}
header .bar{
  display:flex;align-items:center;justify-content:space-between;
  padding-block:.8rem;
}
.brand{display:flex;align-items:center;gap:.7rem;text-decoration:none;}
.brand img{width:38px;height:38px;border-radius:9px;box-shadow:0 2px 10px rgba(13,27,42,.18);}
.brand span{font-family:var(--font-display);font-size:1.18rem;letter-spacing:.01em;color:var(--navy);}
.brand span em{font-style:normal;color:var(--gold-dim);}
nav.primary{display:flex;align-items:center;gap:2.1rem;}
nav.primary a{
  font-size:.86rem;color:var(--charcoal);text-decoration:none;
  display:flex;gap:.5em;align-items:baseline;
}
nav.primary a b{font-family:var(--font-body);font-weight:600;color:var(--gold-dim);font-size:.72rem;}
nav.primary a:hover{color:var(--navy);}
@media (max-width:900px){ nav.primary{display:none;} }
.btn{
  font-size:.82rem;font-weight:600;letter-spacing:.02em;
  padding:.68rem 1.3rem;border-radius:2px;
  text-decoration:none;white-space:nowrap;
  border:1px solid transparent;
  transition:background .15s ease, color .15s ease, border-color .15s ease;
}
.btn:focus-visible{outline:2px solid var(--gold);outline-offset:2px;}
.btn-gold{background:var(--gold);color:var(--navy);}
.btn-gold:hover{background:var(--gold-dim);}
.btn-outline-navy{border-color:rgba(13,27,42,.4);color:var(--navy);}
.btn-outline-navy:hover{border-color:var(--navy);background:rgba(13,27,42,.05);}
.btn-outline-cream{border-color:rgba(230,226,213,.45);color:var(--cream);}
.btn-outline-cream:hover{border-color:var(--cream);background:rgba(230,226,213,.08);}

/* ---------- Bands ---------- */
section{position:relative;}
.band-navy{background:var(--navy);color:var(--cream);}
.band-cream{background:var(--cream);color:var(--navy);}
.band-charcoal{background:var(--charcoal);color:var(--cream);}

/* ---------- Hero ---------- */
#hero{padding-block:6.5rem 5.5rem;overflow:hidden;}
#hero .container{position:relative;z-index:2;}
#contours{position:absolute;inset:0;opacity:.55;z-index:1;}
.hero-grid{display:grid;grid-template-columns:1.15fr 1fr;gap:3rem;align-items:center;}
@media (max-width:900px){ .hero-grid{grid-template-columns:1.3fr .9fr;gap:1.8rem;} }
@media (max-width:560px){ .hero-grid{grid-template-columns:1fr;} }
.hero-logo{
  width:100%;
  max-width:460px;
  margin-inline:auto;
  filter:drop-shadow(0 30px 50px rgba(0,0,0,.45));
}
@media (max-width:900px){ .hero-logo{max-width:220px;} }
@media (max-width:560px){ .hero-logo{max-width:260px;opacity:.9;margin-top:1rem;} }
.hero-meta{display:flex;flex-wrap:wrap;gap:.5rem 1.2rem;align-items:center;color:rgba(230,226,213,.7);font-size:.78rem;letter-spacing:.04em;margin-bottom:1.6rem;}
.hero-meta .sep{color:var(--gold);}
h1.headline{
  font-size:clamp(2.5rem,4.6vw + 1rem,4.4rem);
  font-weight:400;
  line-height:1.06;
  max-width:16ch;
  color:var(--white);
}
#hero p.lede{
  max-width:var(--measure);
  margin-top:1.7rem;
  color:rgba(230,226,213,.82);
  font-size:1.06rem;
}
.hero-ctas{display:flex;gap:1rem;flex-wrap:wrap;margin-top:2.3rem;}

/* ---------- Manifesto / marquee ---------- */
#manifesto{background:var(--charcoal);padding-block:3rem 0;}
#manifesto blockquote{
  max-width:44rem;margin:0 auto;text-align:center;
  font-size:clamp(1.25rem,1.6vw + 1rem,1.75rem);
  font-style:italic;color:var(--cream);
  padding-inline:2rem 2rem;
}
#manifesto cite{display:block;margin-top:1rem;font-style:normal;font-family:var(--font-body);font-size:.72rem;letter-spacing:.14em;text-transform:uppercase;color:var(--gold);}
.marquee{margin-top:2.6rem;border-top:1px solid rgba(230,226,213,.14);border-bottom:1px solid rgba(230,226,213,.14);overflow:hidden;}
.marquee-track{display:flex;width:max-content;padding-block:1rem;animation:scroll 38s linear infinite;}
@keyframes scroll{from{transform:translateX(0);}to{transform:translateX(-50%);}}
@media (prefers-reduced-motion:reduce){ .marquee-track{animation:none;flex-wrap:wrap;width:100%;} }
.marquee-track span{
  font-size:.82rem;letter-spacing:.06em;white-space:nowrap;padding-inline:1.4rem;
  color:rgba(230,226,213,.75);
  display:flex;align-items:center;gap:1.4rem;
}
.marquee-track span::after{content:"·";color:var(--gold);}

/* ---------- Generic section rhythm ---------- */
.section{padding-block:5.5rem;}
.section-head{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.15fr);gap:3.5rem;align-items:end;}
@media (max-width:800px){ .section-head{grid-template-columns:1fr;gap:1.4rem;} }
.section-head h2{font-size:clamp(1.8rem,2.4vw + 1rem,2.7rem);font-weight:400;line-height:1.15;}
.section-head .eyebrow{margin-bottom:.9rem;}
.section-intro{max-width:var(--measure);font-size:1rem;opacity:.86;}

/* ---------- La Maison ---------- */
#maison .copy{display:grid;grid-template-columns:1.1fr .9fr;gap:3.5rem;margin-top:2.6rem;}
@media (max-width:800px){ #maison .copy{grid-template-columns:1fr;} }
#maison .copy p{max-width:var(--measure);margin:0 0 1.2rem;}
.stat-panel{border-top:1px solid var(--rule-on-cream);padding-top:1.6rem;display:flex;flex-direction:column;gap:1.5rem;}
.stat{display:flex;align-items:baseline;gap:.9rem;}
.stat .num{font-family:var(--font-display);font-size:2.6rem;color:var(--navy);font-variant-numeric:tabular-nums;line-height:1;}
.stat .num sup{font-size:1.1rem;color:var(--gold-dim);top:-.6em;}
.stat .label{font-size:.8rem;letter-spacing:.03em;opacity:.75;max-width:16ch;}

/* ---------- Expertises ---------- */
#expertises .list{margin-top:2.8rem;border-top:1px solid var(--rule-on-navy);}
.exp-row{
  display:grid;grid-template-columns:3.5rem 1fr auto;gap:1.6rem;align-items:start;
  padding-block:1.8rem;border-bottom:1px solid var(--rule-on-navy);
  transition:background .15s ease;
}
.exp-row:hover{background:rgba(230,226,213,.04);}
.exp-row .idx{font-family:var(--font-display);font-size:1.15rem;color:var(--gold);padding-top:.15rem;}
.exp-row h3{font-family:var(--font-body);font-weight:700;font-size:1.06rem;color:var(--white);margin-bottom:.5rem;}
.exp-row p{margin:0;max-width:42rem;color:rgba(230,226,213,.75);font-size:.94rem;}
.exp-row .arrow{color:var(--gold);font-size:1.3rem;align-self:center;transition:transform .15s ease;}
.exp-row:hover .arrow{transform:translateX(4px);}

/* ---------- Méthode ---------- */
#methode .principles{margin-top:2.8rem;display:grid;grid-template-columns:repeat(3,1fr);gap:2.5rem;}
@media (max-width:800px){ #methode .principles{grid-template-columns:1fr;} }
.principle{border-top:2px solid var(--navy);padding-top:1.1rem;}
.principle .roman{font-family:var(--font-display);font-size:1.6rem;color:var(--gold-dim);display:block;margin-bottom:.6rem;}
.principle h3{font-family:var(--font-body);font-weight:700;font-size:1.05rem;margin-bottom:.5rem;}
.principle p{margin:0;font-size:.94rem;opacity:.82;}

/* ---------- Contact ---------- */
#contact .grid{margin-top:2.8rem;display:grid;grid-template-columns:.8fr 1.2fr;gap:3.5rem;}
@media (max-width:800px){ #contact .grid{grid-template-columns:1fr;} }
.dossier{border:1px solid var(--rule-on-navy);padding:1.9rem;}
.dossier dt{font-size:.68rem;letter-spacing:.1em;text-transform:uppercase;color:var(--gold);margin-top:1.3rem;}
.dossier dt:first-child{margin-top:0;}
.dossier dd{margin:.3rem 0 0;font-size:.98rem;color:var(--white);}
.dossier a{text-decoration:none;border-bottom:1px solid rgba(199,157,92,.4);}
.dossier a:hover{border-color:var(--gold);}

form{display:flex;flex-direction:column;gap:1.1rem;}
.field-row{display:grid;grid-template-columns:1fr 1fr;gap:1.1rem;}
@media (max-width:560px){ .field-row{grid-template-columns:1fr;} }
label{font-size:.72rem;letter-spacing:.08em;text-transform:uppercase;color:rgba(230,226,213,.65);margin-bottom:.45rem;display:block;}
.field input, .field select, .field textarea{
  width:100%;background:transparent;border:none;border-bottom:1px solid rgba(230,226,213,.35);
  color:var(--white);font-family:var(--font-body);font-size:.98rem;padding:.55rem 0;
}
.field select option{color:var(--navy);}
.field input:focus, .field select:focus, .field textarea:focus{outline:none;border-color:var(--gold);}
.field textarea{resize:vertical;min-height:5rem;}
.form-foot{display:flex;align-items:center;justify-content:space-between;gap:1rem;margin-top:.6rem;flex-wrap:wrap;}
.confid{font-size:.74rem;color:rgba(230,226,213,.55);display:flex;align-items:center;gap:.5em;}
.confid::before{content:"●";color:var(--gold);font-size:.6em;}
.hp-field{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden;}
.form-error{font-size:.86rem;color:#E7A97D;margin:0;}
#confirm{display:none;padding:2.2rem 0;}
#confirm.show{display:block;animation:fadein .4s ease;}
@keyframes fadein{from{opacity:0;transform:translateY(6px);}to{opacity:1;transform:none;}}
@media (prefers-reduced-motion:reduce){ #confirm.show{animation:none;} }
#confirm h3{font-family:var(--font-display);font-weight:400;font-size:1.4rem;color:var(--white);margin-bottom:.6rem;}
#confirm p{color:rgba(230,226,213,.75);margin:0;}

/* ---------- Footer ---------- */
footer{background:#0A1521;color:rgba(230,226,213,.72);}
.summit{padding-block:5rem 3.5rem;text-align:center;}
.summit blockquote{font-size:clamp(1.2rem,1.6vw + 1rem,1.6rem);color:var(--cream);max-width:38rem;margin:0 auto;}
.footer-cols{border-top:1px solid rgba(230,226,213,.1);padding-block:3rem;display:grid;grid-template-columns:1.3fr 1fr 1fr;gap:2.5rem;}
@media (max-width:760px){ .footer-cols{grid-template-columns:1fr;} }
.footer-cols h4{font-size:.7rem;letter-spacing:.12em;text-transform:uppercase;color:var(--gold);margin:0 0 1rem;}
.footer-cols ul{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:.6rem;}
.footer-cols a{text-decoration:none;font-size:.92rem;}
.footer-cols a:hover{color:var(--white);}
.footer-cols p{margin:0 0 .3rem;font-size:.92rem;}
.bottom-bar{border-top:1px solid rgba(230,226,213,.1);padding-block:1.4rem;display:flex;justify-content:space-between;flex-wrap:wrap;gap:.8rem;font-size:.78rem;}
.bottom-bar a{text-decoration:none;}
.bottom-bar a:hover{color:var(--white);}

.skip-link{position:absolute;left:-999px;top:0;background:var(--gold);color:var(--navy);padding:.6rem 1rem;z-index:100;}
.skip-link:focus{left:1rem;top:1rem;}

/* ---------- Perspectives: intro band ---------- */
.intro-band{padding-block:5rem 4rem;}
.intro-band .eyebrow{margin-bottom:1rem;}
.intro-band h1{font-size:clamp(2.1rem,3.4vw + 1rem,3.2rem);font-weight:400;color:var(--white);max-width:20ch;}
.intro-band p.lede{max-width:var(--measure);margin-top:1.4rem;color:rgba(230,226,213,.8);font-size:1.04rem;}

/* ---------- Perspectives: listing ---------- */
.post-list{border-top:1px solid var(--rule-on-cream);}
.post-row{
  display:grid;grid-template-columns:8rem 1fr auto;gap:1.8rem;align-items:baseline;
  padding-block:2.1rem;border-bottom:1px solid var(--rule-on-cream);
}
@media (max-width:700px){ .post-row{grid-template-columns:1fr;gap:.6rem;} }
.post-row time{font-size:.78rem;letter-spacing:.04em;opacity:.65;font-variant-numeric:tabular-nums;}
.post-row h2{font-size:1.35rem;font-weight:400;line-height:1.3;}
.post-row h2 a{text-decoration:none;}
.post-row h2 a:hover{color:var(--gold-dim);}
.post-row p{margin:.6rem 0 0;max-width:56ch;font-size:.96rem;opacity:.82;font-family:var(--font-body);}
.post-row .post-link{align-self:start;font-size:.86rem;font-weight:600;color:var(--gold-dim);text-decoration:none;white-space:nowrap;}
.post-row .post-link:hover{color:var(--navy);}

/* ---------- Perspectives: article ---------- */
.back-link{display:inline-flex;align-items:center;gap:.5em;font-size:.82rem;font-weight:600;color:var(--gold-dim);text-decoration:none;margin-bottom:2rem;}
.back-link:hover{color:var(--navy);}
.article-section h1{font-size:clamp(1.9rem,2.8vw + 1rem,2.9rem);font-weight:400;max-width:22ch;}
.article-meta{margin-top:1rem;font-size:.84rem;letter-spacing:.03em;opacity:.65;}
.article-body{max-width:var(--measure);margin-top:2.4rem;font-size:1.04rem;}
.article-body p{margin:0 0 1.3rem;}
.article-body strong{color:var(--navy);}
.article-cta{margin-top:2.8rem;padding-top:2.2rem;border-top:1px solid var(--rule-on-cream);display:flex;gap:1rem;flex-wrap:wrap;}