/* ============================================================
   Location Prince — feuille de style commune (lp.css)
   Look éditorial bleu + or. Partagée par toutes les pages.
   POUR CHANGER LE BLEU : modifie la seule variable --brand-blue.
   ============================================================ */
:root{
  --brand-blue:#0d2c5c;   /* dérivé de ton bleu de marque #1F4FA3 */          /* <-- TON BLEU : change uniquement cette ligne */
  --bg:var(--brand-blue);
  --bg-2:#0c2c54;
  --panel:#0f3464;
  --azure:#4f86d6;
  --ink:#f5f8fd;
  --ink-soft:#cfdcee;
  --ink-mute:#93a6c2;
  --line:rgba(255,255,255,.12);
  --line-soft:rgba(255,255,255,.07);
  --gold:#d4af6a;
  --gold-soft:#e4c98c;
  --maxw:1180px;
  --serif:"Fraunces",Georgia,serif;
  --sans:"Hanken Grotesk",system-ui,-apple-system,sans-serif;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{background:var(--bg);color:var(--ink);font-family:var(--sans);font-weight:400;line-height:1.6;-webkit-font-smoothing:antialiased;overflow-x:hidden}
body::after{content:"";position:fixed;inset:0;pointer-events:none;z-index:9999;opacity:.015;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='2'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E")}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 28px}
.kicker{font-size:.74rem;letter-spacing:.28em;text-transform:uppercase;color:var(--gold);font-weight:600}

/* NAV */
header{position:fixed;top:0;left:0;right:0;z-index:1000;transition:background .4s,border-color .4s,backdrop-filter .4s;border-bottom:1px solid transparent}
header.scrolled{background:rgba(8,32,63,.82);backdrop-filter:blur(14px);border-bottom:1px solid var(--line-soft)}
.nav{display:flex;align-items:center;justify-content:space-between;height:74px}
.brand{display:inline-flex;align-items:center;flex:0 0 auto}
.brand-logo{height:28px;width:auto;display:block;transition:opacity .25s}
.brand:hover .brand-logo{opacity:.8}
@media(max-width:860px){.brand-logo{height:26px}}
@media(max-width:520px){.brand-logo{height:22px}}
.nav-links{display:flex;align-items:center;gap:1.7rem}
.nav-links a{font-size:.82rem;color:var(--ink-soft);font-weight:500;transition:color .25s}
.nav-links a:hover,.nav-links a.active{color:var(--ink)}
.nav-tel{color:var(--gold)!important;font-weight:600!important}
.nav-en{border:1px solid var(--line);padding:.4rem .7rem;border-radius:999px;font-size:.74rem!important;letter-spacing:.05em}
.burger{display:none;background:none;border:0;color:var(--ink);font-size:1rem;letter-spacing:.15em;cursor:pointer;text-transform:uppercase}

/* BOUTONS */
.btn{display:inline-flex;align-items:center;gap:.6rem;padding:.95rem 1.6rem;border-radius:999px;font-weight:600;font-size:.92rem;transition:transform .25s,background .25s,color .25s,border-color .25s}
.btn-primary{background:var(--gold);color:#1a130a}
.btn-primary:hover{transform:translateY(-2px);background:var(--gold-soft)}
.btn-ghost{border:1px solid var(--line);color:var(--ink)}
.btn-ghost:hover{border-color:var(--azure);color:#fff;transform:translateY(-2px)}

/* HERO (accueil) */
.hero{position:relative;min-height:100vh;display:flex;align-items:center;padding:120px 0 80px;overflow:hidden}
.hero-bg{position:absolute;inset:0;z-index:0;background:radial-gradient(1100px 700px at 80% 16%,rgba(107,166,224,.30),transparent 62%),radial-gradient(900px 800px at 8% 92%,rgba(212,175,106,.14),transparent 58%),linear-gradient(180deg,#12386c 0%,var(--brand-blue) 58%,#0b2953 100%)}
.hero-photo{position:absolute;inset:0;z-index:0;opacity:.42;background-size:cover;background-position:center;mask-image:linear-gradient(90deg,transparent 5%,#000 62%);-webkit-mask-image:linear-gradient(90deg,transparent 5%,#000 62%);filter:saturate(1.05) contrast(1.03) brightness(1.05)}
.hero-grid{position:absolute;inset:0;z-index:0;opacity:.45;background-image:linear-gradient(var(--line-soft) 1px,transparent 1px),linear-gradient(90deg,var(--line-soft) 1px,transparent 1px);background-size:64px 64px;mask-image:radial-gradient(circle at 28% 42%,#000,transparent 75%);-webkit-mask-image:radial-gradient(circle at 28% 42%,#000,transparent 75%)}
.hero .wrap{position:relative;z-index:2}
.hero-kicker{margin-bottom:1.6rem}
.hero h1{font-family:var(--serif);font-weight:400;font-size:clamp(3rem,9vw,7.2rem);line-height:.98;letter-spacing:-.02em;margin-bottom:1.5rem}
.hero h1 em{font-style:italic;color:var(--gold-soft)}
.hero-lede{font-size:clamp(1.05rem,2vw,1.4rem);color:var(--ink-soft);max-width:34ch;font-weight:400;line-height:1.5;margin-bottom:2.6rem}
.cta-row{display:flex;gap:1rem;flex-wrap:wrap;align-items:center}
.scroll-cue{position:absolute;bottom:34px;left:50%;transform:translateX(-50%);z-index:2;font-size:.7rem;letter-spacing:.3em;text-transform:uppercase;color:var(--ink-mute);display:flex;flex-direction:column;align-items:center;gap:.7rem}
.scroll-cue span{width:1px;height:42px;background:linear-gradient(var(--azure),transparent);animation:cue 2.2s ease-in-out infinite}
@keyframes cue{0%,100%{opacity:.3;transform:scaleY(.6)}50%{opacity:1;transform:scaleY(1)}}

/* EN-TÊTE DE PAGE INTÉRIEURE */
.page-head{position:relative;padding:160px 0 70px;overflow:hidden;border-bottom:1px solid var(--line-soft)}
.page-head-bg{position:absolute;inset:0;z-index:0;background:radial-gradient(900px 600px at 78% 10%,rgba(107,166,224,.26),transparent 62%),linear-gradient(180deg,#12386c,var(--brand-blue))}
.page-head .wrap{position:relative;z-index:1}
.crumb{font-size:.78rem;color:var(--ink-mute);margin-bottom:1rem}
.crumb a:hover{color:var(--gold-soft)}
.page-head h1{font-family:var(--serif);font-weight:400;font-size:clamp(2.3rem,5.5vw,4rem);line-height:1.04;letter-spacing:-.02em;max-width:18ch}
.page-head p{color:var(--ink-soft);font-weight:400;font-size:1.1rem;max-width:52ch;margin-top:1.2rem}

/* INTRO */
.intro{padding:120px 0;border-top:1px solid var(--line-soft)}
.intro-grid{display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:end}
.intro h2{font-family:var(--serif);font-weight:400;font-size:clamp(1.8rem,3.6vw,3rem);line-height:1.12;letter-spacing:-.01em}
.intro h2 b{color:var(--gold-soft);font-weight:500}
.intro p{color:var(--ink-soft);font-size:1.05rem;font-weight:400;max-width:46ch}

/* CHAPITRES NUMÉROTÉS */
.chapter{display:grid;grid-template-columns:1fr 1fr;gap:70px;align-items:center;padding:96px 0;border-top:1px solid var(--line-soft)}
.chapter.flip .ch-media{order:-1}
.ch-index{font-family:var(--serif);font-size:.95rem;color:var(--gold);letter-spacing:.05em;display:flex;align-items:center;gap:.8rem;margin-bottom:1.4rem}
.ch-index::after{content:"";flex:1;height:1px;background:var(--line);max-width:120px}
.chapter h3{font-family:var(--serif);font-weight:400;font-size:clamp(1.7rem,3.4vw,2.7rem);line-height:1.1;letter-spacing:-.01em;margin-bottom:1.2rem}
.chapter p{color:var(--ink-soft);font-weight:400;font-size:1.04rem;margin-bottom:1.4rem;max-width:48ch}
.chips{display:flex;flex-wrap:wrap;gap:.5rem;margin-bottom:1.5rem}
.chips span{font-size:.74rem;letter-spacing:.04em;color:var(--ink-soft);border:1px solid var(--line);padding:.34rem .7rem;border-radius:999px;background:rgba(255,255,255,.03)}
.ch-link{display:inline-flex;align-items:center;gap:.55rem;color:var(--ink);font-weight:600;font-size:.9rem;border-bottom:1px solid var(--gold);padding-bottom:.25rem;transition:gap .25s,color .25s}
.ch-link:hover{gap:1rem;color:var(--gold-soft)}
.ch-media{position:relative;aspect-ratio:4/3;border-radius:14px;overflow:hidden;border:1px solid var(--line);background:var(--panel)}
.ch-media .ph{position:absolute;inset:0;background-size:cover;background-position:center;filter:saturate(1.05) contrast(1.02) brightness(1.06);transform:scale(1.02);transition:transform .9s ease}
.chapter:hover .ch-media .ph{transform:scale(1.07)}
.ch-media::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(8,32,63,0) 55%,rgba(8,32,63,.28))}
.ch-media .glyph{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;z-index:1}
.ch-media .glyph svg{width:42%;height:42%;opacity:.2;color:var(--azure)}
.ch-tag{position:absolute;left:16px;top:16px;z-index:2;font-size:.7rem;letter-spacing:.18em;text-transform:uppercase;color:var(--ink-soft);background:rgba(8,32,63,.6);backdrop-filter:blur(6px);padding:.4rem .7rem;border-radius:999px;border:1px solid var(--line)}

/* CONTENU PAGE INTÉRIEURE */
.section{padding:90px 0;border-top:1px solid var(--line-soft)}
.split{display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:center}
.split.flip .split-media{order:-1}
.prose h2{font-family:var(--serif);font-weight:400;font-size:clamp(1.6rem,3vw,2.4rem);line-height:1.14;margin-bottom:1.1rem;letter-spacing:-.01em}
.prose h3{font-family:var(--serif);font-weight:500;font-size:1.2rem;margin:1.6rem 0 .6rem;color:var(--gold-soft)}
.prose p{color:var(--ink-soft);font-weight:400;margin-bottom:1rem;max-width:60ch}
.prose ul{list-style:none;margin:1.2rem 0;display:flex;flex-direction:column;gap:.6rem}
.prose ul li{color:var(--ink-soft);font-weight:400;padding-left:1.6rem;position:relative}
.prose ul li::before{content:"";position:absolute;left:0;top:.6em;width:.5rem;height:.5rem;border-radius:50%;background:var(--gold)}
.split-media{position:relative;aspect-ratio:4/3;border-radius:14px;overflow:hidden;border:1px solid var(--line);background:var(--panel)}
.split-media img{width:100%;height:100%;object-fit:cover;filter:saturate(1.05) brightness(1.04)}

/* FICHE TECHNIQUE (specs) */
.specs{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:2.2rem}
.spec{border:1px solid var(--line);border-radius:12px;padding:20px 22px;background:rgba(255,255,255,.02)}
.spec .k{font-size:.72rem;letter-spacing:.18em;text-transform:uppercase;color:var(--ink-mute);margin-bottom:.4rem}
.spec .v{font-family:var(--serif);font-size:1.5rem;color:var(--ink)}

/* GALERIE */
.gallery{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:42px}
.gallery a{display:block;aspect-ratio:4/3;border-radius:12px;overflow:hidden;border:1px solid var(--line)}
.gallery img{width:100%;height:100%;object-fit:cover;transition:transform .6s ease}
.gallery a:hover img{transform:scale(1.06)}

/* STATS */
.stats{padding:110px 0;border-top:1px solid var(--line-soft);background:linear-gradient(180deg,var(--bg),var(--bg-2))}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:40px}
.stat .num{font-family:var(--serif);font-size:clamp(2.6rem,5vw,3.8rem);line-height:1;color:var(--ink);letter-spacing:-.02em}
.stat .num em{font-style:normal;color:var(--gold-soft)}
.stat .lbl{margin-top:.7rem;color:var(--ink-mute);font-size:.92rem;max-width:24ch}

/* CTA / CONTACT */
.contact{padding:130px 0;border-top:1px solid var(--line-soft);position:relative;overflow:hidden}
.contact-bg{position:absolute;inset:0;z-index:0;background:radial-gradient(800px 500px at 82% 25%,rgba(107,166,224,.16),transparent 60%)}
.contact .wrap{position:relative;z-index:1}
.contact h2{font-family:var(--serif);font-weight:400;font-size:clamp(2.2rem,5vw,4rem);line-height:1.04;letter-spacing:-.02em;margin-bottom:1.3rem}
.contact h2 em{font-style:italic;color:var(--gold-soft)}
.contact-lede{color:var(--ink-soft);font-weight:400;max-width:46ch;margin-bottom:2.4rem;font-size:1.08rem}
.contact-rows{display:flex;flex-wrap:wrap;gap:14px 48px;align-items:flex-start}
.contact-rows .lbl{font-size:.72rem;letter-spacing:.22em;text-transform:uppercase;color:var(--ink-mute);display:block;margin-bottom:.3rem}
.contact-rows a.big,.contact-rows .big{font-family:var(--serif);font-size:1.4rem;color:var(--ink);transition:color .25s;line-height:1.35;display:block}
.contact-rows a.big:hover{color:var(--gold-soft)}
.quote-btn-cell{display:flex;align-items:center;padding-top:.4rem}
.quote-btn-cell .btn{white-space:nowrap}

/* FOOTER */
footer{padding:46px 0;border-top:1px solid var(--line-soft);background:var(--bg-2)}
.foot{display:flex;flex-wrap:wrap;justify-content:space-between;gap:18px;align-items:center;color:var(--ink-mute);font-size:.84rem}
.foot a{color:var(--ink-soft)}
.foot a:hover{color:var(--gold-soft)}
.foot-links{display:flex;gap:22px;flex-wrap:wrap}

/* RÉVÉLATIONS AU DÉFILEMENT */
.reveal{opacity:0;transform:translateY(26px);transition:opacity .9s cubic-bezier(.2,.7,.2,1),transform .9s cubic-bezier(.2,.7,.2,1)}
.reveal.in{opacity:1;transform:none}
.hero .reveal{transition-delay:var(--d,0s)}

/* RESPONSIVE */
@media(max-width:860px){
  .nav-links{position:fixed;inset:74px 0 auto 0;flex-direction:column;align-items:flex-start;gap:0;background:rgba(7,28,55,.97);backdrop-filter:blur(14px);padding:8px 28px 26px;border-bottom:1px solid var(--line);transform:translateY(-130%);transition:transform .4s ease}
  .nav-links.open{transform:none}
  .nav-links a{padding:.9rem 0;border-bottom:1px solid var(--line-soft);width:100%;font-size:1rem}
  .nav-en{width:max-content}
  .burger{display:block}
  .intro-grid,.split,.chapter{grid-template-columns:1fr;gap:30px}
  .chapter{padding:64px 0}
  .chapter.flip .ch-media,.split.flip .split-media{order:0}
  .stats-grid{grid-template-columns:1fr 1fr;gap:34px}
  .specs{grid-template-columns:1fr 1fr}
}
@media(max-width:520px){
  .wrap{padding:0 20px}
  .stats-grid,.specs,.gallery{grid-template-columns:1fr}
  .cta-row{width:100%}
  .btn{flex:1;justify-content:center}
}
@media(prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none;transition:none}
  .scroll-cue span{animation:none}
  html{scroll-behavior:auto}
}


/* ============ LIGHTBOX (agrandissement des photos) ============ */
.gallery button.gi{display:block;aspect-ratio:4/3;border-radius:12px;overflow:hidden;border:1px solid var(--line);padding:0;background:none;cursor:zoom-in;width:100%}
.gallery button.gi img{width:100%;height:100%;object-fit:cover;filter:saturate(1.05) brightness(1.04);transition:transform .6s ease}
.gallery button.gi:hover img{transform:scale(1.06)}
.gallery button.gi:focus-visible{outline:2px solid var(--gold);outline-offset:3px}
#lightbox{position:fixed;inset:0;z-index:10000;display:none;align-items:center;justify-content:center;
  background:rgba(6,18,36,.94);backdrop-filter:blur(6px);padding:5vh 6vw}
#lightbox.open{display:flex}
#lightbox img{max-width:100%;max-height:82vh;width:auto;height:auto;border-radius:12px;
  box-shadow:0 30px 90px rgba(0,0,0,.55);animation:lbin .35s cubic-bezier(.2,.7,.2,1)}
@keyframes lbin{from{opacity:0;transform:scale(.96)}to{opacity:1;transform:none}}
#lightbox .lb-cap{position:absolute;bottom:4.2vh;left:0;right:0;text-align:center;color:var(--ink-soft);
  font-size:.9rem;font-weight:300;padding:0 6vw}
#lightbox .lb-close{position:absolute;top:22px;right:26px;width:46px;height:46px;border-radius:50%;
  border:1px solid var(--line);background:rgba(255,255,255,.06);color:var(--ink);font-size:1.5rem;line-height:1;
  cursor:pointer;transition:background .25s,transform .25s}
#lightbox .lb-close:hover{background:var(--gold);color:#1a130a;transform:rotate(90deg)}
#lightbox .lb-nav{position:absolute;top:50%;transform:translateY(-50%);width:52px;height:52px;border-radius:50%;
  border:1px solid var(--line);background:rgba(255,255,255,.06);color:var(--ink);font-size:1.5rem;line-height:1;
  cursor:pointer;transition:background .25s}
#lightbox .lb-nav:hover{background:var(--gold);color:#1a130a}
#lightbox .lb-prev{left:2vw}
#lightbox .lb-next{right:2vw}
@media(max-width:640px){#lightbox .lb-nav{width:42px;height:42px}#lightbox img{max-height:70vh}}
@media(prefers-reduced-motion:reduce){#lightbox img{animation:none}#lightbox .lb-close:hover{transform:none}}