:root{
  --encre:#070E14;        /* nuit d'encre */
  --minuit:#0B1520;       /* fond principal */
  --acier:#101E2C;        /* panneaux */
  --or:#C8A15A;           /* champagne */
  --or-clair:#E9D3A3;
  --ivoire:#F2EDE3;
  --gris:#93A2AF;
  --lagune:#3E7C74;       /* vert lagune discret */
  --ligne:rgba(200,161,90,.25);
  --ligne-faible:rgba(242,237,227,.08);
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  background:var(--minuit);
  color:var(--ivoire);
  font-family:'Figtree',system-ui,sans-serif;
  font-size:17px;line-height:1.65;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
h1,h2,h3,h4{font-family:'Marcellus',Georgia,serif;font-weight:400;line-height:1.1}
.mono{font-family:'Spline Sans Mono',monospace}
a{color:inherit;text-decoration:none}
.wrap{max-width:1200px;margin:0 auto;padding:0 32px}

.eyebrow{
  font-family:'Spline Sans Mono',monospace;
  font-size:.68rem;letter-spacing:.34em;text-transform:uppercase;
  color:var(--or);display:inline-flex;align-items:center;gap:12px;
}
.eyebrow::before{content:"";width:26px;height:1px;background:var(--or);display:inline-block}

/* ================= HEADER ================= */
header{
  position:fixed;inset:0 0 auto 0;z-index:100;padding:22px 0;
  transition:all .4s ease;border-bottom:1px solid transparent;
}
header.on{
  background:rgba(7,14,20,.85);backdrop-filter:blur(16px);
  padding:14px 0;border-bottom:1px solid var(--ligne-faible);
}
.nav{display:flex;align-items:center;justify-content:space-between;gap:28px}
.brand{display:flex;align-items:center;gap:14px}
.brand-badge{
  width:34px;height:40px;display:grid;place-items:center;flex:none;
}
.brand-badge img,.brand-badge svg{width:auto;height:34px;display:block}
.brand-name{display:flex;flex-direction:column;line-height:1.15}
.brand-name .m{font-family:'Marcellus',serif;font-size:1.15rem;letter-spacing:.04em}
.brand-name .s{font-family:'Spline Sans Mono',monospace;font-size:.56rem;letter-spacing:.4em;text-transform:uppercase;color:var(--gris)}
.links{display:flex;gap:32px;align-items:center}
.links a{font-size:.85rem;color:var(--gris);letter-spacing:.03em;transition:color .25s;position:relative}
.links a::after{content:"";position:absolute;left:0;bottom:-5px;width:0;height:1px;background:var(--or);transition:width .3s}
.links a:hover{color:var(--ivoire)}
.links a:hover::after{width:100%}
.btn{
  display:inline-block;font-size:.82rem;letter-spacing:.08em;
  padding:12px 26px;border:1px solid var(--or);color:var(--or);
  border-radius:2px;background:transparent;cursor:pointer;
  transition:.3s;white-space:nowrap;font-family:'Figtree',sans-serif;font-weight:500;
}
.btn:hover{background:var(--or);color:var(--encre)}
.btn-plein{background:var(--or);color:var(--encre)}
.btn-plein:hover{background:var(--or-clair);border-color:var(--or-clair)}
.burger{display:none;background:none;border:1px solid var(--ligne-faible);color:var(--ivoire);padding:8px 12px;border-radius:2px;cursor:pointer;font-size:1rem}

/* ================= HERO ================= */
.hero{
  position:relative;min-height:100vh;
  display:grid;grid-template-columns:1.05fr .95fr;align-items:center;gap:40px;
  padding:140px 0 90px;
  background:
    radial-gradient(90% 70% at 20% 10%,rgba(62,124,116,.14),transparent 60%),
    radial-gradient(70% 60% at 90% 90%,rgba(200,161,90,.08),transparent 60%),
    linear-gradient(175deg,#0C1826 0%,var(--minuit) 50%,var(--encre) 100%);
  overflow:hidden;
}
.hero .wrap{display:contents}
.hero-left{padding-left:max(32px,calc((100vw - 1200px)/2 + 32px));position:relative;z-index:2}
.hero-kicker{margin-bottom:26px}
.hero h1{
  font-size:clamp(2.7rem,5.6vw,4.6rem);
  letter-spacing:.01em;margin-bottom:26px;
}
.hero h1 .gold{color:var(--or-clair)}
.hero p.lead{color:var(--gris);font-size:clamp(1.02rem,1.6vw,1.2rem);max-width:520px;line-height:1.7}
.hero-cta{display:flex;gap:16px;margin-top:38px;flex-wrap:wrap}
.hero-meta{
  display:flex;gap:36px;margin-top:56px;flex-wrap:wrap;
}
.hm{display:flex;flex-direction:column;gap:4px}
.hm .v{font-family:'Marcellus',serif;font-size:1.25rem;color:var(--ivoire)}
.hm .k{font-family:'Spline Sans Mono',monospace;font-size:.6rem;letter-spacing:.26em;text-transform:uppercase;color:var(--gris)}

/* --------- Radar map (signature) --------- */
.hero-right{position:relative;height:100%;min-height:520px;z-index:1}
.radar-frame{
  position:absolute;inset:0;display:grid;place-items:center;
  padding-right:max(32px,calc((100vw - 1200px)/2 + 32px));
}
.radar{width:min(560px,100%);height:auto;display:block}
.coast{fill:none;stroke:rgba(242,237,227,.28);stroke-width:1.4}
.coast-fill{fill:rgba(16,30,44,.6)}
.grid-ring{fill:none;stroke:rgba(242,237,227,.07);stroke-width:1}
.sweep{transform-origin:300px 300px;animation:rot 9s linear infinite}
@keyframes rot{to{transform:rotate(360deg)}}
.pt{fill:var(--or)}
.pt-halo{fill:none;stroke:var(--or);stroke-width:1;opacity:0;animation:ping 4.5s ease-out infinite}
@keyframes ping{
  0%{opacity:.7;r:4}
  60%{opacity:0;r:22}
  100%{opacity:0;r:22}
}
.pt-label{
  font-family:'Spline Sans Mono',monospace;font-size:10.5px;letter-spacing:.14em;
  fill:var(--gris);text-transform:uppercase;
}
.pt-label.main{fill:var(--or-clair);font-size:11.5px}
.pt-num{fill:var(--or)}
.radar-caption{
  position:absolute;bottom:6%;right:max(32px,calc((100vw - 1200px)/2 + 32px));
  font-family:'Spline Sans Mono',monospace;font-size:.62rem;letter-spacing:.3em;
  text-transform:uppercase;color:var(--gris);display:flex;align-items:center;gap:10px;
}
.live-dot{width:7px;height:7px;border-radius:50%;background:var(--or);animation:blink 2s ease-in-out infinite}
@keyframes blink{50%{opacity:.25}}

/* ================= BANDEAU ================= */
.bandeau{
  background:var(--encre);border-top:1px solid var(--ligne-faible);border-bottom:1px solid var(--ligne-faible);
  overflow:hidden;padding:18px 0;white-space:nowrap;
}
.defile{display:inline-flex;gap:64px;animation:slide 30s linear infinite;will-change:transform}
.defile span{
  font-family:'Spline Sans Mono',monospace;font-size:.68rem;letter-spacing:.3em;
  text-transform:uppercase;color:var(--gris);display:inline-flex;align-items:center;gap:64px;
}
.defile i{font-style:normal;color:var(--or)}
@keyframes slide{to{transform:translateX(-50%)}}

/* ================= SECTIONS ================= */
section.bloc{padding:120px 0;position:relative}
.tete{max-width:660px;margin-bottom:60px}
.tete h2{font-size:clamp(2rem,4.2vw,3.2rem);margin-top:20px}
.tete p{color:var(--gris);margin-top:18px;font-size:1.04rem}

/* Services — layout éditorial alterné */
.prestations{display:flex;flex-direction:column}
.presta{
  display:grid;grid-template-columns:64px 1fr 1.2fr auto;gap:36px;align-items:baseline;
  padding:34px 0;border-top:1px solid var(--ligne-faible);
  transition:padding-left .3s ease,background .3s ease;
  cursor:default;
}
.presta:last-child{border-bottom:1px solid var(--ligne-faible)}
.presta:hover{padding-left:16px;background:linear-gradient(90deg,rgba(200,161,90,.05),transparent 60%)}
.presta .idx{font-family:'Spline Sans Mono',monospace;font-size:.72rem;color:var(--or);letter-spacing:.2em}
.presta h3{font-size:clamp(1.3rem,2.4vw,1.75rem)}
.presta h3 a:hover{color:var(--or-clair)}
.presta p{color:var(--gris);font-size:.95rem;line-height:1.6}
.presta .cat{
  font-family:'Spline Sans Mono',monospace;font-size:.62rem;letter-spacing:.22em;
  text-transform:uppercase;color:var(--gris);border:1px solid var(--ligne-faible);
  padding:6px 12px;border-radius:20px;white-space:nowrap;
}

/* Signature offre duo */
.duo{
  margin-top:70px;border:1px solid var(--ligne);border-radius:4px;
  background:
    radial-gradient(80% 120% at 0% 0%,rgba(200,161,90,.1),transparent 55%),
    linear-gradient(140deg,var(--acier),var(--encre));
  display:grid;grid-template-columns:1fr 1fr;overflow:hidden;
}
.duo-col{padding:52px 48px}
.duo-col:first-child{border-right:1px solid var(--ligne-faible)}
.duo-tag{
  display:inline-block;font-family:'Spline Sans Mono',monospace;font-size:.62rem;
  letter-spacing:.28em;text-transform:uppercase;color:var(--encre);
  background:var(--or);padding:7px 16px;border-radius:2px;font-weight:500;margin-bottom:22px;
}
.duo h3{font-size:clamp(1.7rem,3vw,2.3rem);margin-bottom:16px}
.duo p{color:#B9C4CD;font-size:1rem}
.duo-liste{list-style:none;margin-top:8px}
.duo-liste li{
  padding:14px 0;border-bottom:1px solid var(--ligne-faible);
  display:flex;gap:14px;align-items:baseline;color:#C8D1D9;font-size:.96rem;
}
.duo-liste li:last-child{border:none}
.duo-liste li::before{content:"—";color:var(--or);flex:none}

/* ================= ENGAGEMENTS ================= */
.engagements{background:var(--encre);border-top:1px solid var(--ligne-faible)}
.eng-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--ligne-faible);border:1px solid var(--ligne-faible)}
.eng{background:var(--encre);padding:44px 38px;position:relative;overflow:hidden}
.eng::after{
  content:"";position:absolute;top:0;left:0;width:0;height:2px;background:var(--or);
  transition:width .5s ease;
}
.eng:hover::after{width:100%}
.eng .pict{width:34px;height:34px;margin-bottom:22px;stroke:var(--or);fill:none;stroke-width:1.3}
.eng h4{font-size:1.3rem;margin-bottom:10px}
.eng p{color:var(--gris);font-size:.93rem}

/* ================= METHODE ================= */
.methode-grid{display:grid;grid-template-columns:1fr 1fr;gap:80px;align-items:start}
.etapes{display:flex;flex-direction:column;position:relative;padding-left:34px}
.etapes::before{
  content:"";position:absolute;left:8px;top:16px;bottom:16px;width:1px;
  background:linear-gradient(var(--or),transparent);opacity:.4;
}
.etape{position:relative;padding:20px 0 26px}
.etape::before{
  content:"";position:absolute;left:-30px;top:28px;width:9px;height:9px;
  border-radius:50%;background:var(--minuit);border:1.5px solid var(--or);
}
.etape .en{font-family:'Spline Sans Mono',monospace;font-size:.64rem;letter-spacing:.26em;color:var(--or);text-transform:uppercase}
.etape h4{font-size:1.35rem;margin:8px 0 8px}
.etape p{color:var(--gris);font-size:.94rem}
.methode-side{position:sticky;top:120px}
.methode-side h2{font-size:clamp(2rem,4vw,3rem);margin-top:20px}
.methode-side p{color:var(--gris);margin-top:18px}
.citation{
  margin-top:40px;padding:30px 32px;border-left:2px solid var(--or);
  background:rgba(200,161,90,.05);border-radius:0 4px 4px 0;
}
.citation p{font-family:'Marcellus',serif;font-size:1.25rem;color:var(--ivoire);line-height:1.5;margin:0}
.citation footer{font-family:'Spline Sans Mono',monospace;font-size:.64rem;letter-spacing:.24em;text-transform:uppercase;color:var(--gris);margin-top:16px;background:none;border:none;padding:0}

/* ================= CONTACT ================= */
.contact{background:
  radial-gradient(70% 90% at 100% 0%,rgba(62,124,116,.1),transparent 55%),
  var(--encre);border-top:1px solid var(--ligne-faible)}
.contact-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:80px}
.c-lignes{margin-top:40px;display:flex;flex-direction:column}
.c-ligne{padding:22px 0;border-top:1px solid var(--ligne-faible);display:flex;flex-direction:column;gap:6px}
.c-ligne .k{font-family:'Spline Sans Mono',monospace;font-size:.62rem;letter-spacing:.26em;text-transform:uppercase;color:var(--or)}
.c-ligne .v{font-family:'Marcellus',serif;font-size:1.5rem}
.c-ligne .v a:hover{color:var(--or-clair)}
.c-note{margin-top:28px;font-size:.85rem;color:var(--gris)}

form{
  background:var(--acier);border:1px solid var(--ligne-faible);border-radius:4px;
  padding:44px 42px;display:flex;flex-direction:column;gap:20px;
}
.champ{display:flex;flex-direction:column;gap:9px}
.champ label{font-family:'Spline Sans Mono',monospace;font-size:.62rem;letter-spacing:.22em;text-transform:uppercase;color:var(--gris)}
.champ input,.champ select,.champ textarea{
  background:var(--encre);border:1px solid var(--ligne-faible);color:var(--ivoire);
  padding:14px 16px;border-radius:2px;font-family:'Figtree',sans-serif;font-size:.98rem;
  transition:border-color .25s;
}
.champ input:focus,.champ select:focus,.champ textarea:focus{outline:none;border-color:var(--or)}
.champ textarea{min-height:120px;resize:vertical}
.deux{display:grid;grid-template-columns:1fr 1fr;gap:20px}
form .btn-plein{padding:16px;font-size:.9rem;margin-top:4px}
.form-note{font-size:.76rem;color:var(--gris);text-align:center}
.form-etat{display:none;text-align:center;font-size:.9rem;padding:12px;border-radius:2px}
.form-etat.ok{display:block;color:var(--or-clair);border:1px solid var(--ligne);background:rgba(200,161,90,.08)}
.form-etat.err{display:block;color:#E08A8A;border:1px solid rgba(224,138,138,.35);background:rgba(224,138,138,.07)}

/* ================= GALERIE PHOTOS ================= */
.galerie{
  display:grid;grid-template-columns:1.2fr 1fr 1fr;gap:18px;margin-top:70px;
}
.galerie>a{display:block}
.galerie figure{
  position:relative;margin:0;border:1px solid var(--ligne-faible);border-radius:4px;
  overflow:hidden;aspect-ratio:4/3;background:var(--acier);height:100%;
  transition:border-color .3s;
}
.galerie>a:hover figure{border-color:var(--ligne)}
.galerie>a:first-child figure{aspect-ratio:16/10}
.galerie img{
  width:100%;height:100%;object-fit:cover;display:block;
  filter:saturate(.75) brightness(.82) contrast(1.05);
  transition:transform .6s ease,filter .6s ease;
}
.galerie figure:hover img{transform:scale(1.04);filter:saturate(.9) brightness(.9) contrast(1.05)}
.galerie figcaption{
  position:absolute;left:0;right:0;bottom:0;padding:14px 18px;
  font-family:'Spline Sans Mono',monospace;font-size:.6rem;letter-spacing:.26em;
  text-transform:uppercase;color:var(--or-clair);
  background:linear-gradient(transparent,rgba(7,14,20,.85));
}

/* photo dans les sous-pages */
.sous-hero.avec-photo{
  background-size:cover;background-position:center;
  position:relative;
}
.sous-hero.avec-photo::before{
  content:"";position:absolute;inset:0;
  background:
    linear-gradient(90deg,rgba(7,14,20,.92) 0%,rgba(7,14,20,.75) 50%,rgba(11,21,32,.55) 100%),
    linear-gradient(180deg,rgba(7,14,20,.55),rgba(11,21,32,.92) 95%);
}
.sous-hero.avec-photo .wrap{position:relative;z-index:2}

/* ================= WHATSAPP ================= */
.wa-btn{
  position:fixed;right:26px;bottom:26px;z-index:99;
  width:56px;height:56px;border-radius:50%;
  background:#25D366;display:grid;place-items:center;
  box-shadow:0 8px 24px rgba(0,0,0,.45);
  transition:transform .25s ease,box-shadow .25s ease;
}
.wa-btn:hover{transform:translateY(-3px);box-shadow:0 12px 30px rgba(0,0,0,.55)}
.wa-btn svg{width:30px;height:30px;fill:#fff}

/* ================= SOUS-PAGES ================= */
.sous-hero{
  padding:180px 0 70px;
  background:
    radial-gradient(80% 90% at 15% 0%,rgba(62,124,116,.12),transparent 60%),
    linear-gradient(175deg,#0C1826 0%,var(--minuit) 60%,var(--encre) 100%);
  border-bottom:1px solid var(--ligne-faible);
}
.sous-hero h1{font-size:clamp(2.2rem,4.6vw,3.6rem);margin-top:22px;max-width:820px}
.sous-hero p.lead{color:var(--gris);font-size:1.1rem;max-width:640px;margin-top:20px;line-height:1.7}
.fil{
  font-family:'Spline Sans Mono',monospace;font-size:.64rem;letter-spacing:.2em;
  text-transform:uppercase;color:var(--gris);margin-bottom:10px;
}
.fil a{color:var(--gris)}
.fil a:hover{color:var(--or)}
.fil span{color:var(--or)}

.page-corps{padding:80px 0}
.page-corps h2{font-size:clamp(1.6rem,3vw,2.3rem);margin:48px 0 18px;color:var(--ivoire)}
.page-corps h2:first-child{margin-top:0}
.page-corps p{color:#B9C4CD;margin-bottom:16px;max-width:760px}
.page-corps ul{list-style:none;margin:10px 0 24px;max-width:760px}
.page-corps ul li{
  padding:12px 0;border-bottom:1px solid var(--ligne-faible);
  display:flex;gap:14px;align-items:baseline;color:#C8D1D9;font-size:.97rem;
}
.page-corps ul li::before{content:"—";color:var(--or);flex:none}

.cta-fin{
  margin-top:70px;padding:56px 48px;text-align:center;
  border:1px solid var(--ligne);border-radius:4px;
  background:
    radial-gradient(80% 120% at 50% 0%,rgba(200,161,90,.1),transparent 60%),
    linear-gradient(140deg,var(--acier),var(--encre));
}
.cta-fin h2{font-size:clamp(1.7rem,3.4vw,2.5rem);margin:0 0 14px}
.cta-fin p{color:var(--gris);max-width:520px;margin:0 auto 30px}

/* ================= FAQ ================= */
.faq{max-width:820px}
.faq details{border-top:1px solid var(--ligne-faible)}
.faq details:last-child{border-bottom:1px solid var(--ligne-faible)}
.faq summary{
  cursor:pointer;padding:26px 0;list-style:none;
  font-family:'Marcellus',serif;font-size:1.25rem;
  display:flex;justify-content:space-between;align-items:center;gap:24px;
  transition:color .2s;
}
.faq summary:hover{color:var(--or-clair)}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{
  content:"+";color:var(--or);font-size:1.6rem;flex:none;
  font-family:'Figtree',sans-serif;font-weight:400;
  transition:transform .3s ease;line-height:1;
}
.faq details[open] summary::after{transform:rotate(45deg)}
.faq details p{color:var(--gris);padding:0 40px 26px 0;font-size:.97rem;max-width:700px}

/* ================= ACCESSIBILITÉ ================= */
a:focus-visible,button:focus-visible,summary:focus-visible,
input:focus-visible,select:focus-visible,textarea:focus-visible{
  outline:2px solid var(--or);outline-offset:3px;border-radius:2px;
}

/* ================= SOUS-PRESTATIONS ================= */
.sp-grid{
  display:grid;grid-template-columns:repeat(3,1fr);gap:1px;
  background:var(--ligne-faible);border:1px solid var(--ligne-faible);
  margin:26px 0 10px;
}
.sp{background:var(--minuit);padding:28px 26px}
.sp h3{font-size:1.08rem;margin-bottom:8px}
.sp p{color:var(--gris);font-size:.88rem;line-height:1.55;max-width:none;margin:0}
.voir-aussi{
  margin-top:34px;font-family:'Spline Sans Mono',monospace;font-size:.68rem;
  letter-spacing:.18em;text-transform:uppercase;color:var(--gris);
}
.voir-aussi a{color:var(--or-clair);background:none;padding-bottom:1px;border-bottom:1px solid var(--ligne)}
@media(max-width:1020px){.sp-grid{grid-template-columns:1fr}}

/* ================= CONSEILS / ARTICLES ================= */
.art-cartes{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:20px}
.art-carte{
  border:1px solid var(--ligne-faible);border-radius:4px;padding:36px 32px;
  background:var(--acier);display:flex;flex-direction:column;gap:14px;
  transition:border-color .3s,transform .3s;
}
.art-carte:hover{border-color:var(--ligne);transform:translateY(-4px)}
.art-carte .date{font-family:'Spline Sans Mono',monospace;font-size:.62rem;letter-spacing:.24em;text-transform:uppercase;color:var(--or)}
.art-carte h3{font-size:1.35rem;line-height:1.25}
.art-carte p{color:var(--gris);font-size:.92rem;flex:1}
.art-carte .lire{color:var(--or-clair);font-size:.85rem;letter-spacing:.04em}
.art-carte .lire::after{content:" →";transition:margin-left .2s}
.art-carte:hover .lire::after{margin-left:5px}
.art-meta{font-family:'Spline Sans Mono',monospace;font-size:.64rem;letter-spacing:.22em;text-transform:uppercase;color:var(--gris);margin-top:18px}
.art-meta b{color:var(--or);font-weight:400}
.page-corps p a,.page-corps li a{
  color:var(--or-clair);padding-bottom:2px;
  background:linear-gradient(var(--or),var(--or)) no-repeat 0 100%/35% 1px;
  transition:background-size .35s ease,color .25s;
}
.page-corps p a:hover,.page-corps li a:hover{color:var(--or);background-size:100% 1px}
@media(max-width:1020px){.art-cartes{grid-template-columns:1fr}}

/* ================= SCHÉMAS DE DISPOSITIF ================= */
.schema{
  margin:20px 0 6px;border:1px solid var(--ligne-faible);border-radius:4px;
  background:
    radial-gradient(80% 100% at 20% 0%,rgba(62,124,116,.08),transparent 60%),
    linear-gradient(160deg,var(--acier),var(--encre));
  padding:10px;overflow:hidden;
}
.schema svg{width:100%;height:auto;display:block}
.schema-legende{
  font-family:'Spline Sans Mono',monospace;font-size:.62rem;letter-spacing:.22em;
  text-transform:uppercase;color:var(--gris);margin:14px 0 40px;
  display:flex;align-items:center;gap:12px;
}
.schema-legende::before{content:"";width:26px;height:1px;background:var(--or)}
.trace{fill:none;stroke:var(--or);stroke-width:1.4;stroke-dasharray:5 9;opacity:.85;animation:marche 1.6s linear infinite}
@keyframes marche{to{stroke-dashoffset:-14}}
.orbite{transform-origin:300px 300px;animation:rot 16s linear infinite}
.sonar{fill:none;stroke:rgba(200,161,90,.55);stroke-width:1.2;animation:sonar 5.5s ease-out infinite}
@keyframes sonar{0%{r:20;opacity:.7}100%{r:265;opacity:0}}
.echo{animation:blink 3.2s ease-in-out infinite}
.patrouille{animation:patrouille 24s linear infinite}
@keyframes patrouille{to{offset-distance:100%}}
.hud{font-family:'Spline Sans Mono',monospace;font-size:11px;letter-spacing:.2em;fill:var(--gris);text-transform:uppercase}
.hud-fort{fill:var(--or-clair)}
.hud-faible{fill:rgba(147,162,175,.55)}
.cadre-hud{fill:none;stroke:rgba(200,161,90,.45);stroke-width:1.5}
.bati{fill:rgba(16,30,44,.55);stroke:rgba(242,237,227,.32);stroke-width:1.2}
.eau{fill:rgba(62,124,116,.16);stroke:rgba(62,124,116,.5);stroke-width:1.1}
.zone-detect{fill:rgba(200,161,90,.05);stroke:rgba(200,161,90,.3);stroke-width:1;stroke-dasharray:2 6}
.cloture{fill:none;stroke:rgba(242,237,227,.16);stroke-width:1;stroke-dasharray:2 7}

/* ================= PAGES LÉGALES ================= */
.legal{padding:180px 0 100px;max-width:820px}
.legal h1{font-size:clamp(2rem,4vw,3rem);margin-bottom:40px}
.legal h2{font-size:1.4rem;margin:44px 0 14px;color:var(--or-clair)}
.legal p,.legal li{color:#B9C4CD;font-size:.96rem;margin-bottom:12px}
.legal ul{margin:0 0 16px 20px}
.legal .maj{font-family:'Spline Sans Mono',monospace;font-size:.7rem;letter-spacing:.2em;text-transform:uppercase;color:var(--gris)}

/* ================= FOOTER ================= */
footer.pied{background:var(--encre);border-top:1px solid var(--ligne-faible);padding:60px 0 36px}
.pied-haut{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:48px;padding-bottom:40px;border-bottom:1px solid var(--ligne-faible)}
.pied-haut .m{font-family:'Marcellus',serif;font-size:1.5rem}
.pied-haut p{color:var(--gris);font-size:.9rem;margin-top:12px;max-width:340px}
.pied-col h5{font-family:'Spline Sans Mono',monospace;font-size:.62rem;letter-spacing:.26em;text-transform:uppercase;color:var(--or);margin-bottom:16px}
.pied-col a{display:block;color:var(--gris);font-size:.9rem;margin-bottom:10px;transition:color .2s}
.pied-col a:hover{color:var(--ivoire)}
.mention-csi{font-size:.74rem;color:var(--gris);opacity:.75;padding-top:24px;max-width:760px;line-height:1.6}
.pied-bas{display:flex;justify-content:space-between;flex-wrap:wrap;gap:16px;padding-top:26px;font-size:.76rem;color:var(--gris)}
.pied-bas a:hover{color:var(--ivoire)}

/* ================= FINITIONS ÉLITE ================= */
html{color-scheme:dark;scrollbar-width:thin;scrollbar-color:rgba(200,161,90,.4) var(--encre)}
::selection{background:var(--or);color:var(--encre)}
::-webkit-scrollbar{width:10px}
::-webkit-scrollbar-track{background:var(--encre)}
::-webkit-scrollbar-thumb{background:rgba(200,161,90,.3);border-radius:5px}
::-webkit-scrollbar-thumb:hover{background:rgba(200,161,90,.55)}
h1,h2,h3,h4{text-wrap:balance}
p{text-wrap:pretty}
[id]{scroll-margin-top:100px}

/* contraste éditorial : italique Cormorant face au Marcellus */
.hero h1 .gold{
  font-family:'Cormorant Garamond',Georgia,serif;font-style:italic;font-weight:500;
  font-size:1.08em;letter-spacing:0;
}
.citation p{
  font-family:'Cormorant Garamond',Georgia,serif;font-style:italic;font-weight:500;
  font-size:1.5rem;line-height:1.45;
}
h2 em{font-family:'Cormorant Garamond',Georgia,serif;font-style:italic;font-weight:500;font-size:1.06em;color:var(--or-clair)}

/* header qui s'efface en descendant, revient en remontant */
header.cache{transform:translateY(-100%)}

/* double cadre signature sur les photos */
.galerie figure::after{
  content:"";position:absolute;inset:10px;border:1px solid rgba(233,211,163,.22);
  pointer-events:none;transition:inset .45s cubic-bezier(.2,.7,.2,1);
}
.galerie>a:hover figure::after{inset:16px}

/* flèche sur les prestations cliquables */
.presta h3 a::after{
  content:"→";display:inline-block;margin-left:12px;color:var(--or);
  opacity:0;transform:translateX(-8px);transition:.35s ease;
}
.presta:hover h3 a::after{opacity:1;transform:none}

/* indicateur de défilement du hero */
.descendre{
  position:absolute;bottom:44px;z-index:2;
  left:max(32px,calc((100vw - 1200px)/2 + 32px));
  display:flex;align-items:center;gap:16px;
  font-family:'Spline Sans Mono',monospace;font-size:.6rem;
  letter-spacing:.32em;text-transform:uppercase;color:var(--gris);
}
.descendre::before{
  content:"";width:1px;height:42px;background:linear-gradient(var(--or),transparent);
  animation:descend 2.4s cubic-bezier(.4,0,.4,1) infinite;
}
@keyframes descend{
  0%{transform:scaleY(0);transform-origin:top}
  45%{transform:scaleY(1);transform-origin:top}
  55%{transform:scaleY(1);transform-origin:bottom}
  100%{transform:scaleY(0);transform-origin:bottom}
}

/* ================= TOUCHES CINÉMA ================= */
/* grain de pellicule sur tout le site */
body::before{
  content:"";position:fixed;inset:-50%;z-index:120;pointer-events:none;
  background:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='300' height='300'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='2'/%3E%3C/filter%3E%3Crect width='300' height='300' filter='url(%23n)'/%3E%3C/svg%3E");
  opacity:.045;animation:grain 8s steps(10) infinite;
}
@keyframes grain{
  0%,100%{transform:translate(0,0)}10%{transform:translate(-5%,-8%)}30%{transform:translate(3%,-12%)}
  50%{transform:translate(8%,4%)}70%{transform:translate(-7%,6%)}90%{transform:translate(4%,8%)}
}

/* barre de progression de lecture */
#prog{position:fixed;top:0;left:0;height:2px;width:0;background:linear-gradient(90deg,var(--or),var(--or-clair));z-index:150}

/* photo en filigrane derrière le hero */
.hero::after{
  content:"";position:absolute;inset:0;z-index:0;
  background:url('https://images.unsplash.com/photo-1613490493576-7fde63acd811?w=1800&q=70&auto=format&fit=crop') center/cover no-repeat;
  opacity:.13;filter:grayscale(.5) brightness(.65);
  -webkit-mask-image:linear-gradient(180deg,#000 40%,transparent);
  mask-image:linear-gradient(180deg,#000 40%,transparent);
}

/* révélation du titre ligne par ligne */
.l-mask{display:block;overflow:hidden;padding-bottom:.08em;margin-bottom:-.08em}
.l-mask span{display:block;transform:translateY(112%);animation:lever 1.2s cubic-bezier(.19,.7,.16,1) forwards}
.l-mask:nth-child(2) span{animation-delay:.14s}
@keyframes lever{to{transform:none}}
.fade-tard{opacity:0;animation:apparait 1s ease .7s forwards}
@keyframes apparait{to{opacity:1}}

/* aperçu photo flottant au survol des prestations */
#apercu{
  position:fixed;z-index:90;width:min(330px,26vw);aspect-ratio:4/3;
  border:1px solid var(--ligne);border-radius:4px;overflow:hidden;
  pointer-events:none;opacity:0;transform:scale(.92) rotate(-2deg);
  transition:opacity .35s ease,transform .45s cubic-bezier(.2,.7,.2,1);
  box-shadow:0 30px 60px rgba(0,0,0,.5);
}
#apercu.on{opacity:1;transform:scale(1) rotate(0deg)}
#apercu img{width:100%;height:100%;object-fit:cover;filter:saturate(.8) brightness(.85)}
@media(pointer:coarse),(max-width:1020px){#apercu{display:none}}

/* marquee géant en texte détouré */
.geant{
  overflow:hidden;padding:70px 0;white-space:nowrap;
  border-top:1px solid var(--ligne-faible);border-bottom:1px solid var(--ligne-faible);
  background:var(--minuit);
}
.geant .defile{animation-duration:46s}
.geant span{
  font-family:'Marcellus',serif;font-size:clamp(4rem,9vw,8.5rem);
  letter-spacing:.04em;text-transform:uppercase;line-height:1;
  color:transparent;-webkit-text-stroke:1px rgba(200,161,90,.4);
  display:inline-flex;align-items:center;gap:56px;
}
.geant i{font-style:normal;color:var(--or);-webkit-text-stroke:0;font-size:.35em;transform:translateY(-.3em)}

/* effet brillance sur le bouton principal */
.btn-plein{position:relative;overflow:hidden}
.btn-plein::after{
  content:"";position:absolute;top:0;left:-80%;width:50%;height:100%;
  background:linear-gradient(105deg,transparent,rgba(255,255,255,.45),transparent);
  transform:skewX(-20deg);transition:left .6s ease;
}
.btn-plein:hover::after{left:130%}

/* wordmark géant du footer */
.marque-geante{
  font-family:'Marcellus',serif;text-align:center;text-transform:uppercase;
  font-size:clamp(3rem,10.5vw,10rem);line-height:1;letter-spacing:.06em;
  color:transparent;-webkit-text-stroke:1px rgba(242,237,227,.13);
  padding:70px 0 30px;user-select:none;
}

/* parallaxe douce sur la galerie */
.galerie figure{will-change:transform}

/* reveal */
.rv{opacity:0;transform:translateY(24px);transition:opacity .9s cubic-bezier(.2,.6,.2,1),transform .9s cubic-bezier(.2,.6,.2,1)}
.rv.in{opacity:1;transform:none}
.rv-stagger>*{opacity:0;transform:translateY(28px);transition:opacity .8s cubic-bezier(.2,.6,.2,1),transform .8s cubic-bezier(.2,.6,.2,1)}
.rv-stagger.in>*{opacity:1;transform:none}
.rv-stagger.in>*:nth-child(1){transition-delay:.05s}
.rv-stagger.in>*:nth-child(2){transition-delay:.13s}
.rv-stagger.in>*:nth-child(3){transition-delay:.21s}
.rv-stagger.in>*:nth-child(4){transition-delay:.29s}
.rv-stagger.in>*:nth-child(5){transition-delay:.37s}
.rv-stagger.in>*:nth-child(6){transition-delay:.45s}

/* ================= RESPONSIVE ================= */
@media(max-width:1020px){
  .hero{grid-template-columns:1fr;min-height:auto;padding-top:130px}
  .hero-left{padding:0 32px}
  .hero-right{min-height:440px;margin-top:20px}
  .radar-frame{padding:0 32px}
  .radar-caption{right:32px}
  .presta{grid-template-columns:48px 1fr;gap:14px}
  .presta p{grid-column:2}
  .presta .cat{grid-column:2;justify-self:start}
  .duo{grid-template-columns:1fr}
  .duo-col:first-child{border-right:none;border-bottom:1px solid var(--ligne-faible)}
  .methode-grid,.contact-grid{grid-template-columns:1fr;gap:50px}
  .methode-side{position:static}
  .eng-grid{grid-template-columns:1fr}
  .links{display:none}
  body.menu-ouvert .links{
    display:flex;position:fixed;inset:0;z-index:95;
    background:rgba(7,14,20,.98);backdrop-filter:blur(10px);
    flex-direction:column;justify-content:center;align-items:center;gap:36px;
  }
  body.menu-ouvert .links a{
    font-family:'Marcellus',serif;font-size:1.5rem;color:var(--ivoire);letter-spacing:.02em;
  }
  body.menu-ouvert{overflow:hidden}
  .burger{display:block;position:relative;z-index:96;min-width:44px}
  .pied-haut{grid-template-columns:1fr;gap:34px}
}
@media(max-width:560px){
  .wrap{padding:0 22px}
  .hero-left{padding:0 22px}
  .radar-frame{padding:0 10px}
  .radar-caption{right:22px}
  section.bloc{padding:84px 0}
  .duo-col{padding:38px 28px}
  form{padding:32px 24px}
  .deux{grid-template-columns:1fr}
  .hero-meta{gap:24px}
  .wa-btn{right:18px;bottom:18px;width:52px;height:52px}
  .sous-hero{padding:150px 0 56px}
}
@media(max-width:1020px){
  .descendre{display:none}
}
@media(prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .sweep,.pt-halo,.defile,.live-dot,body::before,.descendre::before,.trace,.orbite,.sonar,.echo,.patrouille{animation:none}
  .rv{transition:none;opacity:1;transform:none}
  .rv-stagger>*{transition:none;opacity:1;transform:none}
  .l-mask span{animation:none;transform:none}
  .fade-tard{animation:none;opacity:1}
}