/* ===================== TOKENS ===================== */
:root{
  --black:#0a1a30;        /* bleu marine — fond principal */
  --ink:#0f2742;          /* cartes */
  --ink-2:#14315a;        /* survol cartes */
  --line:#21426b;         /* bordures */
  --grey:#8fa3bd;
  --grey-light:#cdd9e8;
  --white:#f5f3ee;
  --gold:#c9a24b;
  --gold-light:#e3c887;
  --gold-deep:#9a7b3f;
  --gold-grad:linear-gradient(120deg,#9a7b3f 0%,#d4af6a 38%,#e3c887 60%,#b88f43 100%);
  --serif:'Cormorant Garamond',Georgia,serif;
  --sans:'Jost',-apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif;
  --maxw:1180px;
}

*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  background:var(--black);
  color:var(--white);
  font-family:var(--sans);
  font-weight:300;
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{display:block;max-width:100%}
a{color:inherit;text-decoration:none}

h1,h2,h3{font-family:var(--serif);font-weight:600;line-height:1.1;letter-spacing:.01em}
.dot{color:var(--gold)}

.eyebrow{
  display:inline-block;
  font-size:.72rem;letter-spacing:.32em;text-transform:uppercase;
  color:var(--gold);font-weight:500;margin-bottom:1rem;
}

/* ===================== BUTTONS ===================== */
.btn{
  display:inline-block;padding:.95em 2.1em;font-size:.82rem;
  letter-spacing:.18em;text-transform:uppercase;font-weight:500;
  border-radius:2px;transition:.3s ease;cursor:pointer;border:1px solid transparent;
}
.btn--gold{background:var(--gold-grad);color:#1a1407;font-weight:600}
.btn--gold:hover{filter:brightness(1.1);transform:translateY(-2px)}
.btn--ghost{border-color:var(--line);color:var(--white)}
.btn--ghost:hover{border-color:var(--gold);color:var(--gold)}
.btn--lg{padding:1.1em 2.8em;font-size:.85rem;margin-top:2.4rem}

/* ===================== NAV ===================== */
.nav{
  position:fixed;top:0;left:0;right:0;z-index:50;
  display:flex;align-items:center;justify-content:space-between;
  padding:.35rem 2.4rem;
  background:rgba(10,26,48,.78);backdrop-filter:blur(14px);
  border-bottom:1px solid rgba(255,255,255,.06);
}
.nav__brand img{height:160px;display:block}
.nav__links{display:flex;gap:2.2rem;align-items:center}
.nav__links a{
  font-size:.8rem;letter-spacing:.14em;text-transform:uppercase;
  color:var(--grey-light);transition:.25s;
}
.nav__links a:hover{color:var(--gold)}
.nav__cta{
  border:1px solid var(--gold);color:var(--gold)!important;
  padding:.55em 1.3em;border-radius:2px;
}
.nav__cta:hover{background:var(--gold);color:#1a1407!important}
.nav__burger{display:none;flex-direction:column;gap:5px;background:none;border:0;cursor:pointer}
.nav__burger span{width:26px;height:2px;background:var(--white);transition:.3s}

/* ===================== HERO ===================== */
.hero{
  position:relative;min-height:100vh;
  display:flex;align-items:center;justify-content:center;text-align:center;
  padding:8rem 1.5rem 4rem;
  background:
    radial-gradient(ellipse at 50% 28%,rgba(201,162,75,.13),transparent 55%),
    radial-gradient(ellipse at 50% 120%,rgba(201,162,75,.08),transparent 50%),
    var(--black);
}
.hero__inner{max-width:880px;animation:rise .9s ease both}
.hero__logo{height:300px;margin:0 auto .4rem;opacity:.96}
.hero__title{font-size:clamp(1.8rem,4vw,3.2rem);margin-bottom:1.4rem}
.hero__sub{
  font-size:clamp(1rem,1.7vw,1.22rem);color:var(--grey-light);
  max-width:720px;margin:0 auto 2.6rem;font-weight:300;
}
.hero__sub-em{
  display:inline-block;margin-top:.5rem;
  font-size:clamp(1.1rem,2vw,1.5rem);
  color:var(--white);font-weight:400;line-height:1.3;
}
.hero__actions{display:flex;gap:1rem;justify-content:center;flex-wrap:wrap}
.hero__scroll{
  position:absolute;bottom:2rem;left:50%;transform:translateX(-50%);
  color:var(--gold);font-size:1.3rem;animation:bob 2s ease-in-out infinite;
}
@keyframes bob{0%,100%{transform:translate(-50%,0)}50%{transform:translate(-50%,10px)}}
@keyframes rise{from{opacity:0;transform:translateY(28px)}to{opacity:1;transform:none}}

/* ===================== STATS ===================== */
.stats{
  display:grid;grid-template-columns:repeat(4,1fr);
  max-width:var(--maxw);margin:0 auto;
  border-top:1px solid var(--line);border-bottom:1px solid var(--line);
}
.stat{padding:2.6rem 1.4rem;text-align:center;border-right:1px solid var(--line)}
.stat:last-child{border-right:0}
.stat__num{
  display:block;font-family:var(--serif);font-size:2rem;font-weight:600;
  background:var(--gold-grad);-webkit-background-clip:text;background-clip:text;
  -webkit-text-fill-color:transparent;margin-bottom:.3rem;
}
.stat__label{font-size:.78rem;letter-spacing:.1em;text-transform:uppercase;color:var(--grey)}

/* ===================== PAGE HISTOIRE ===================== */
.nav__links a.is-active{color:var(--gold)}
.page-hero{
  padding:13rem 2.4rem 5rem;text-align:center;
  background:
    radial-gradient(ellipse at 50% 0%,rgba(201,162,75,.14),transparent 58%),
    var(--black);
  border-bottom:1px solid var(--line);
}
.page-hero__inner{max-width:760px;margin:0 auto}
.page-hero h1{font-size:clamp(2.6rem,6vw,4.4rem);margin:.4rem 0 1rem}
.page-hero p{color:var(--grey-light);font-size:1.15rem;max-width:34ch;margin:0 auto}

.story{max-width:860px;margin:0 auto;padding:6rem 2.4rem}
.story__lead{
  font-family:var(--serif);font-size:clamp(1.5rem,3vw,2.1rem);line-height:1.4;
  color:var(--white);text-align:center;margin-bottom:4.5rem;
}
.story__block{
  display:grid;grid-template-columns:160px 1fr;gap:2.5rem;
  padding:2.8rem 0;border-top:1px solid var(--line);align-items:start;
}
.story__year{
  font-family:var(--serif);font-size:1.7rem;font-weight:600;
  background:var(--gold-grad);-webkit-background-clip:text;background-clip:text;
  -webkit-text-fill-color:transparent;position:sticky;top:120px;
}
.story__block h2{font-size:1.9rem;margin-bottom:1rem}
.story__block p{color:var(--grey-light);margin-bottom:1.1rem}
.story__block strong{color:var(--white);font-weight:500}
.story__block em{color:var(--gold);font-style:italic}
.story__edit-note{
  font-size:.82rem;color:var(--gold-deep);font-style:italic;text-align:center;
  border-top:1px solid var(--line);padding-top:2rem;margin-top:1rem;
}
.story__cta{display:flex;gap:1rem;justify-content:center;flex-wrap:wrap;margin-top:3rem}
@media(max-width:680px){
  .story__block{grid-template-columns:1fr;gap:.6rem}
  .story__year{position:static;top:auto}
}

/* ===================== SIGNATURE ===================== */
.statement{
  max-width:1000px;margin:0 auto;padding:6.5rem 2.4rem;
  text-align:center;border-bottom:1px solid var(--line);
}
.statement p{
  font-family:var(--serif);font-weight:400;
  font-size:clamp(1.1rem,2vw,1.5rem);line-height:1.5;
  color:var(--white);margin-top:.6rem;max-width:800px;margin-left:auto;margin-right:auto;
}
.statement strong{color:var(--gold);font-weight:600}

/* ===================== SECTION HEAD ===================== */
.section-head{max-width:720px;margin:0 auto 3.6rem;text-align:center}
.section-head h2{font-size:clamp(2rem,4vw,3rem)}
.section-head__sub{color:var(--grey-light);margin-top:.9rem;font-size:1.05rem}

/* ===================== À PROPOS ===================== */
.about{
  display:grid;grid-template-columns:.85fr 1.15fr;gap:4rem;align-items:center;
  max-width:var(--maxw);margin:0 auto;padding:7rem 2.4rem;
}
.about__photo{position:relative}
.about__photo img{
  width:100%;border-radius:4px;
  border:1px solid var(--line);
  box-shadow:0 30px 70px -30px rgba(0,0,0,.8);
}
.about__photo::before{
  content:"";position:absolute;inset:-14px -14px auto auto;width:120px;height:120px;
  border-top:2px solid var(--gold);border-right:2px solid var(--gold);opacity:.6;
}
.about__text h2{font-size:clamp(2.2rem,4vw,3.2rem)}
.about__role{color:var(--gold);letter-spacing:.05em;margin:.2rem 0 1.6rem;font-size:1.05rem}
.about__text p{color:var(--grey-light);margin-bottom:1.1rem;max-width:56ch}
.about__edit-note{
  font-size:.82rem;color:var(--gold-deep);font-style:italic;
  border-left:2px solid var(--gold-deep);padding-left:1rem;margin-top:1.6rem;
}

/* ===================== CŒUR DE MÉTIER ===================== */
.metier{max-width:var(--maxw);margin:0 auto;padding:7rem 2.4rem;border-top:1px solid var(--line)}
.cards{display:grid;grid-template-columns:repeat(4,1fr);gap:1.4rem}
.card{
  background:var(--ink);border:1px solid var(--line);border-radius:4px;
  padding:2.4rem 1.8rem;transition:.35s;
}
.card:hover{border-color:var(--gold-deep);transform:translateY(-6px);background:var(--ink-2)}
.card__icon{font-size:1.8rem;color:var(--gold);margin-bottom:1.2rem}
.card h3{font-size:1.5rem;margin-bottom:.8rem}
.card p{color:var(--grey);font-size:.92rem}

/* ===================== GALERIE TYPOLOGIES ===================== */
.gallery{max-width:var(--maxw);margin:0 auto;padding:7rem 2.4rem;border-top:1px solid var(--line)}
.gallery__grid{
  display:grid;grid-template-columns:2fr 1fr;grid-auto-rows:210px;gap:1.2rem;
}
.gallery__item{
  position:relative;overflow:hidden;border-radius:6px;margin:0;
  border:1px solid var(--line);
}
.gallery__item--feature{grid-row:span 2}
.gallery__item img{
  width:100%;height:100%;object-fit:cover;display:block;transition:transform .6s ease;
}
.gallery__item:hover img{transform:scale(1.06)}
.gallery__item figcaption{
  position:absolute;left:0;right:0;bottom:0;padding:1rem 1.1rem;
  background:linear-gradient(0deg,rgba(8,18,33,.92),transparent);
  color:var(--white);font-size:.85rem;letter-spacing:.06em;text-transform:uppercase;
}
.gallery__grid--two{grid-template-columns:1fr 1fr;grid-auto-rows:360px}
.gallery__grid--single{grid-template-columns:1fr;grid-auto-rows:480px}
@media(max-width:900px){
  .gallery__grid{grid-template-columns:repeat(2,1fr);grid-auto-rows:190px}
  .gallery__item--feature{grid-row:span 2;grid-column:span 2}
  .gallery__grid--two{grid-auto-rows:300px}
}
@media(max-width:560px){
  .gallery__grid{grid-template-columns:1fr}
  .gallery__item--feature{grid-row:span 1;grid-column:span 1}
  .gallery__grid--two{grid-template-columns:1fr;grid-auto-rows:240px}
  .gallery__grid--single{grid-auto-rows:260px}
}

/* ===================== OPÉRATIONS ===================== */
.operations{max-width:var(--maxw);margin:0 auto;padding:7rem 2.4rem;border-top:1px solid var(--line)}
.ops-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:2rem}
.op{
  background:var(--ink);border:1px solid var(--line);border-radius:6px;
  overflow:hidden;transition:.35s;display:flex;flex-direction:column;
}
.op:hover{border-color:var(--gold-deep);box-shadow:0 24px 60px -34px rgba(201,162,75,.5)}
.op__media{position:relative;aspect-ratio:16/10;overflow:hidden;background:var(--ink-2)}
.op__media img{width:100%;height:100%;object-fit:cover;transition:.6s}
.op:hover .op__media img{transform:scale(1.05)}
.op__media--placeholder{
  display:flex;align-items:center;justify-content:center;
  background:
    repeating-linear-gradient(45deg,#0e2440,#0e2440 14px,#11294a 14px,#11294a 28px);
}
.op__mediaicon{font-size:3rem;color:var(--line)}
.op__badge{
  position:absolute;top:1rem;left:1rem;
  font-size:.68rem;letter-spacing:.16em;text-transform:uppercase;font-weight:600;
  padding:.4em 1em;border-radius:2px;
}
.op__badge--done{background:var(--gold-grad);color:#1a1407}
.op__badge--live{background:rgba(10,26,48,.88);color:var(--gold);border:1px solid var(--gold)}
.op__body{padding:1.8rem;display:flex;flex-direction:column;flex:1}
.op__type{font-size:.74rem;letter-spacing:.16em;text-transform:uppercase;color:var(--gold)}
.op__body h3{font-size:1.9rem;margin:.4rem 0 .1rem}
.op__addr{color:var(--grey);font-size:.92rem;margin-bottom:1.3rem}
.op__specs{list-style:none;margin-bottom:1.3rem}
.op__specs li{
  display:flex;justify-content:space-between;gap:1rem;
  padding:.6rem 0;border-bottom:1px solid var(--line);font-size:.92rem;
}
.op__specs li:last-child{border-bottom:0}
.op__specs span{color:var(--grey)}
.op__specs strong{color:var(--white);font-weight:500;text-align:right}
.op__advisor{font-size:.92rem;color:var(--grey-light)}
.op__advisor strong{color:var(--gold);font-weight:600}
.op__confidential{font-size:.78rem;color:var(--grey);font-style:italic;margin-top:.4rem}
.op__link{
  margin-top:auto;padding-top:1.2rem;color:var(--gold);
  font-size:.85rem;letter-spacing:.08em;transition:.25s;
}
.op__link:hover{color:var(--gold-light);padding-left:.3rem}

/* ===================== CONTACT ===================== */
.contact{
  padding:7rem 2.4rem;text-align:center;
  background:radial-gradient(ellipse at 50% 0%,rgba(201,162,75,.1),transparent 60%),var(--ink);
  border-top:1px solid var(--line);
}
.contact__inner{max-width:760px;margin:0 auto}
.contact h2{font-size:clamp(2rem,4vw,3rem)}
.contact__sub{color:var(--grey-light);margin:.9rem auto 2.8rem;max-width:50ch}
.contact__cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(190px,1fr));gap:1.2rem}
.contact__card{
  background:var(--black);border:1px solid var(--line);border-radius:4px;
  padding:1.8rem 1.2rem;display:flex;flex-direction:column;gap:.4rem;transition:.3s;
}
a.contact__card:hover{border-color:var(--gold);transform:translateY(-4px)}
.contact__label{font-size:.72rem;letter-spacing:.16em;text-transform:uppercase;color:var(--gold)}
.contact__value{font-size:1.02rem;color:var(--white);word-break:break-word}
.contact__value--muted{color:var(--grey)}

/* ===================== FOOTER ===================== */
.footer{text-align:center;padding:3.4rem 1.5rem;border-top:1px solid var(--line)}
.footer__logo{height:128px;margin:0 auto .4rem;opacity:.95}
.footer__tag{font-size:.74rem;letter-spacing:.26em;text-transform:uppercase;color:var(--gold);margin-bottom:1rem}
.footer__legal{font-size:.76rem;color:var(--grey);max-width:60ch;margin:0 auto}

/* ===================== RESPONSIVE ===================== */
@media(max-width:900px){
  .nav__links{
    position:fixed;inset:0 0 0 auto;width:min(78vw,320px);
    flex-direction:column;justify-content:center;gap:2.2rem;
    background:var(--ink);transform:translateX(100%);transition:.4s;padding:2rem;
  }
  body.menu-open .nav__links{transform:none}
  .nav__burger{display:flex;z-index:60}
  .stats{grid-template-columns:repeat(2,1fr)}
  .stat:nth-child(2){border-right:0}
  .stat:nth-child(1),.stat:nth-child(2){border-bottom:1px solid var(--line)}
  .about{grid-template-columns:1fr;gap:2.6rem;padding:5rem 1.6rem}
  .about__photo{max-width:380px;margin:0 auto}
  .cards{grid-template-columns:repeat(2,1fr)}
  .ops-grid{grid-template-columns:1fr}
  .contact__cards{grid-template-columns:1fr}
  .metier,.operations{padding:5rem 1.6rem}
}
@media(max-width:560px){
  .nav{padding:.8rem 1.4rem}
  .hero__logo{height:130px}
  .cards{grid-template-columns:1fr}
  .stats{grid-template-columns:1fr}
  .stat{border-right:0;border-bottom:1px solid var(--line)}
}