:root{--navy:#08172E;--blue-deep:#0D2351;--blue-main:#1A3A8F;--blue-mid:#1E5BB5;--blue-vivid:#2B7FD4;--blue-light:#4FA8E8;--blue-ultra:#F0F6FD;--blue-pale:#E8F2FB;--gold:#B8985A;--offwhite:#F8F9FC;--g200:#D1D9E6;--g400:#8895B3;--g600:#4A5578;--g800:#1E2640;--ease:cubic-bezier(.4,0,.2,1)}
*,*::before,*::after{margin:0;padding:0;box-sizing:border-box}
html,body{width:100%;font-family:'DM Sans',sans-serif;color:var(--g800);background:#fff;overflow-x:hidden;line-height:1.65}
a{text-decoration:none;color:inherit}img{max-width:100%;display:block}ul{list-style:none}

/* ── NAV ── */
#main-nav{position:relative;top:0;left:0;right:0;z-index:100;height:94px;padding:6px 4% 0;display:flex;align-items:center;justify-content:space-between;background:rgba(8,23,46,.96);backdrop-filter:blur(20px);box-shadow:0 1px 0 rgba(255,255,255,.06)}
.nav-logo{display:flex;align-items:center;gap:12px}
.nav-logo img{height:93px;width:auto;mix-blend-mode:screen;filter:brightness(10) saturate(0)}
.nav-logo-text{font-family:'DM Sans',sans-serif;font-size:13px;font-weight:600;color:#fff;letter-spacing:.12em;text-transform:uppercase;line-height:1.3}
.nav-logo-text span{display:block;font-size:10px;font-weight:400;opacity:.55;letter-spacing:.16em}
.nm{display:flex;align-items:center;gap:20px}
.nm a{font-size:13px;font-weight:500;color:rgba(255,255,255,.72);transition:color.25s}.nm a:hover{color:#fff}
.nm a.active{color:var(--blue-light)}
.nav-links{display:flex;align-items:center;gap:20px}
.nav-links a{font-size:13px;font-weight:500;color:rgba(255,255,255,.78);letter-spacing:.03em;transition:color.25s;position:relative}
.nav-links a:hover{color:#fff}

.btn-n{padding:8px 20px;border-radius:50px;background:linear-gradient(135deg,var(--blue-mid),var(--blue-vivid));color:#fff!important;font-size:13px!important;font-weight:600!important}
.hamburger{display:none;flex-direction:column;gap:5px;cursor:pointer;padding:6px}
.hamburger span{width:22px;height:2px;background:#fff;border-radius:2px;transition:.3s}
.hamburger.open span:nth-child(1){transform:rotate(45deg) translate(5px,5px)}
.hamburger.open span:nth-child(2){opacity:0}
.hamburger.open span:nth-child(3){transform:rotate(-45deg) translate(5px,-5px)}
#mobile-menu{display:none;position:fixed;inset:0;z-index:99;background:var(--navy);padding:100px 40px 40px;flex-direction:column;gap:20px}
#mobile-menu.open{display:flex!important}
#mobile-menu a{font-size:22px;color:rgba(255,255,255,.82);font-family:'Cormorant Garamond',serif;font-weight:600;border-bottom:1px solid rgba(255,255,255,.07);padding-bottom:14px}

/* ── HERO ── */
#hero{min-height:30vh;padding:39px 5% 43px;background:linear-gradient(145deg,var(--navy) 0%,var(--blue-deep) 45%,#163680 100%);position:relative;overflow:hidden;display:flex;align-items:flex-end}
#hero::before{content:'';position:absolute;inset:0;background-image:linear-gradient(rgba(79,168,232,.04) 1px,transparent 1px),linear-gradient(90deg,rgba(79,168,232,.04) 1px,transparent 1px);background-size:55px 55px}
.hglow{position:absolute;width:450px;height:450px;border-radius:50%;background:radial-gradient(circle,rgba(43,127,212,.16),transparent 70%);right:-60px;top:50%;transform:translateY(-50%)}
.hcnt{position:relative;z-index:1;max-width:1180px;margin:0 auto;width:100%}
.htag{display:inline-flex;align-items:center;gap:8px;border:1px solid rgba(79,168,232,.3);border-radius:30px;padding:5px 16px;margin-bottom:14px}
.htag.dot{width:5px;height:5px;border-radius:50%;background:var(--blue-light)}
.htag span{font-size:11px;letter-spacing:.15em;text-transform:uppercase;color:var(--blue-light);font-weight:500}
.htitle{font-family:'Cormorant Garamond',serif;font-weight:700;font-size:clamp(36px,5vw,62px);color:#fff;line-height:1.08;margin-bottom:12px}
.hsub{font-size:17px;color:#FFF;font-weight:300;max-width:1200px;text-align:justify;line-height:1.75}

/* ── UTILS ── */
.container{max-width:1180px;margin:0 auto}
.slabel{display:inline-flex;align-items:center;gap:8px;font-size:11px;letter-spacing:.18em;text-transform:uppercase;color:var(--blue-vivid);font-weight:600;margin-bottom:14px}
.slabel::before{content:'';width:26px;height:2px;background:linear-gradient(to right,var(--blue-vivid),var(--blue-light));border-radius:2px}
.reveal{opacity:0;transform:translateY(28px);transition:opacity.72s var(--ease),transform.72s var(--ease)}
.reveal.visible{opacity:1;transform:none}

#overview{padding:80px 5%}
.btn{display:inline-flex;align-items:center;gap:10px;padding:13px 30px;border-radius:50px;font-size:14px;font-weight:600;cursor:pointer;border:none;transition:all.3s var(--ease);font-family:'DM Sans',sans-serif}
.btn-primary{background:linear-gradient(135deg,var(--blue-main),var(--blue-vivid));color:#fff;box-shadow:0 6px 24px rgba(26,58,143,.3)}
.btn-primary:hover{transform:translateY(-3px);box-shadow:0 12px 32px rgba(26,58,143,.45)}
.btn-white{background:#fff;color:var(--blue-main);box-shadow:0 6px 24px rgba(0,0,0,.12)}
.btn-white:hover{background:var(--blue-pale);transform:translateY(-2px)}

/* ── SECTORS OVERVIEW ── */
.so-card{border-radius:16px;padding:28px 20px;text-align:center;background:var(--offwhite);border:1px solid var(--g200);transition:all.35s var(--ease);cursor:pointer}
.so-card:hover{border-color:var(--blue-main);background:var(--blue-pale);transform:translateY(-5px);box-shadow:0 16px 40px rgba(26,58,143,.12)}
.so-icon{font-size:36px;margin-bottom:12px;display:block}
.so-name{font-family:'Cormorant Garamond',serif;font-size:20px;font-weight:700;color:var(--navy);margin-bottom:8px}
.so-desc{font-size:12.5px;color:var(--g400);line-height:1.6}

/* ── DETAIL SECTIONS ── */
.secteur-section{padding:43px 5%}
div.secteur-section:nth-of-type(odd){background:#fff}
div.secteur-section:nth-of-type(even){background:var(--offwhite)}
.secteur-inner{display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:center;max-width:1180px;margin:0 auto}
.secteur-inner.reverse{direction:rtl}
.secteur-inner.reverse>*{direction:ltr}
.secteur-img-wrap{border-radius:10px;overflow:hidden;height:420px;position:relative;-webkit-mask-image:-webkit-radial-gradient(white,black)}
.secteur-img{position:absolute;inset:0;background-size:contain;background-position:center;background-repeat:no-repeat;transition:transform.6s var(--ease)}
.secteur-img-wrap:hover.secteur-img{transform:scale(1.04)}

.secteur-num{font-family:'Cormorant Garamond',serif;font-size:80px;font-weight:700;line-height:1;color:var(--blue-pale);margin-bottom:-10px;display:block}
.secteur-title{font-family:'Cormorant Garamond',serif;font-size:clamp(26px,3vw,38px);font-weight:700;color:var(--navy);line-height:1.12;margin-bottom:18px}
.secteur-eyebrow{font-size:16px;letter-spacing:.18em;text-transform:uppercase;color:var(--blue-vivid);font-weight:600;margin-bottom:12px}
.secteur-points{display:flex;flex-direction:column;gap:10px;margin-bottom:28px}
.secteur-desc{font-size:16px;color:#122036;line-height:1.82;font-weight:300;margin-bottom:24px;text-align:justify}
.sp{display:flex;gap:12px;align-items:flex-start}
.sp p{font-size:14px;color:var(--g600);line-height:1.55}

/* Gradient fallbacks pour images */
.img-construction{background:linear-gradient(145deg,#0D2351 0%,#1A3A8F 100%)}
.img-energie{background:linear-gradient(145deg,#071A0D 0%,#0F5C38 100%)}
.img-manufacturing{background:linear-gradient(145deg,#08172E 0%,#1E5BB5 100%)}
.img-minier{background:linear-gradient(145deg,#2D1B00 0%,#8B5E3C 100%)}

.img-infra{background:linear-gradient(145deg,#1A0A2E 0%,#3D1A6B 100%)}

/* ── CTA ── */
#cta{background:linear-gradient(135deg,var(--blue-main),var(--blue-vivid));padding:14px 5%;text-align:center}
.cta-btns{display:flex;gap:16px;justify-content:center;flex-wrap:wrap;margin-top:28px}
.btn-ow{border:1.5px solid rgba(255,255,255,.4);color:#fff;background:transparent;padding:13px 30px;border-radius:50px;font-size:14px;font-weight:600;font-family:'DM Sans',sans-serif;transition:all.3s var(--ease)}
.btn-ow:hover{background:rgba(255,255,255,.1);border-color:#fff}

/* ── FOOTER ── */
#footer{background:var(--g800);padding:52px 5% 28px;border-top:1px solid rgba(255,255,255,.04)}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:44px;margin-bottom:40px;max-width:1180px;margin-left:auto;margin-right:auto}
.footer-brand p{font-size:13px;color:rgba(255,255,255,.32);line-height:1.72;margin-top:12px;max-width:240px;font-weight:300}
.ft-logo{height:44px;mix-blend-mode:screen;filter:brightness(1.8) saturate(1.2)}
.fcol h5{font-size:10.5px;letter-spacing:.16em;text-transform:uppercase;color:var(--blue-light);font-weight:600;margin-bottom:16px}
.fcol a{display:block;font-size:13px;color:rgba(255,255,255,.4);margin-bottom:8px;transition:color .25s}
.fcol a:hover{color:rgba(255,255,255,.82)}
.footer-bottom{border-top:1px solid rgba(255,255,255,.05);padding-top:20px;display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px;max-width:1180px;margin:0 auto}
.footer-bottom p{font-size:12px;color:rgba(255,255,255,.26)}

/* ── RESPONSIVE ── */
@media(max-width:1024px){.secteur-inner,.secteur-inner.reverse{grid-template-columns:1fr;direction:ltr}.secteur-inner{gap:32px}.secteur-img-wrap{height:320px}}
@media(max-width:768px){.secteur-section{padding:68px 5%}.nm{display:none}.nav-links{display:none}.hamburger{display:flex}.nav-logo-text{display:none}.secteur-img-wrap{height:240px}}