/* ============================================================
   LCPA — Site vitrine
   Charte : bleu électrique #1C75BC, éclair jaune #FDB913, anthracite #17171A
   ============================================================ */
:root{
  --blue:#1C75BC;
  --blue-d:#12527f;
  --blue-l:#e8f2fb;
  --yellow:#FDB913;
  --ink:#1a2230;
  --mid:#5b6675;
  --line:#e6ebf1;
  --bg:#ffffff;
  --soft:#f5f8fc;
  --dark:#17171A;
  --radius:16px;
  --shadow:0 10px 30px rgba(20,50,90,.08);
  --shadow-lg:0 24px 60px rgba(20,50,90,.14);
  --wrap:1160px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;font-family:"Segoe UI",system-ui,-apple-system,Roboto,Helvetica,Arial,sans-serif;
  color:var(--ink);background:var(--bg);line-height:1.6;-webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 22px}
.btn{
  display:inline-flex;align-items:center;gap:8px;justify-content:center;
  padding:13px 24px;border-radius:999px;font-weight:700;font-size:15px;
  border:2px solid transparent;cursor:pointer;transition:.2s;white-space:nowrap;
}
.btn-p{background:var(--blue);color:#fff}
.btn-p:hover{background:var(--blue-d);transform:translateY(-1px)}
.btn-y{background:var(--yellow);color:#3a2c00}
.btn-y:hover{filter:brightness(1.05);transform:translateY(-1px)}
.btn-o{border-color:#fff;color:#fff}
.btn-o:hover{background:#fff;color:var(--blue)}
.btn-g{border-color:var(--line);color:var(--ink);background:#fff}
.btn-g:hover{border-color:var(--blue);color:var(--blue)}

/* ---- Header ---- */
.hdr{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.92);
  backdrop-filter:saturate(180%) blur(10px);border-bottom:1px solid var(--line)}
.hdr .wrap{display:flex;align-items:center;gap:20px;height:74px}
.brand{display:flex;align-items:center;gap:10px}
.brand img{height:44px;width:auto}
.nav{margin-left:auto;display:flex;align-items:center;gap:6px}
.nav a{padding:10px 14px;border-radius:10px;font-weight:600;color:var(--ink);font-size:15px}
.nav a:hover{background:var(--soft);color:var(--blue)}
.nav a.active{color:var(--blue)}
.nav a.cta{margin-left:8px;background:var(--blue);color:#fff}
.nav a.cta:hover{background:var(--blue-d)}
.burger{margin-left:auto;display:none;flex-direction:column;gap:5px;background:none;border:0;cursor:pointer;padding:8px}
.burger span{width:26px;height:3px;background:var(--ink);border-radius:2px;transition:.2s}

/* ---- Hero ---- */
.hero{position:relative;overflow:hidden;color:#fff;
  background:linear-gradient(135deg,#0f3a5f 0%,var(--blue) 55%,#2f8fd8 100%)}
.hero::after{content:"";position:absolute;inset:0;opacity:.14;
  background:radial-gradient(circle at 80% 20%,#fff 0,transparent 40%),
  repeating-linear-gradient(115deg,transparent 0 40px,rgba(255,255,255,.06) 40px 42px)}
.hero .wrap{position:relative;z-index:1;padding:82px 22px 92px;display:grid;
  grid-template-columns:1.15fr .85fr;gap:40px;align-items:center}
.hero .eyebrow{display:inline-flex;align-items:center;gap:8px;background:rgba(255,255,255,.15);
  padding:6px 14px;border-radius:999px;font-weight:700;font-size:13px;letter-spacing:.4px}
.hero h1{font-size:44px;line-height:1.1;margin:18px 0 14px;font-weight:900;letter-spacing:-.5px}
.hero h1 .hl{color:var(--yellow)}
.hero p.lead{font-size:18px;opacity:.94;max-width:520px;margin:0 0 26px}
.hero .cta-row{display:flex;gap:12px;flex-wrap:wrap}
.hero-card{background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.25);
  border-radius:20px;padding:26px;backdrop-filter:blur(4px)}
.hero-card h3{margin:0 0 14px;font-size:15px;text-transform:uppercase;letter-spacing:1px;opacity:.8}
.hero-card ul{list-style:none;margin:0;padding:0;display:grid;gap:12px}
.hero-card li{display:flex;align-items:center;gap:12px;font-weight:600}
.hero-card li b{display:inline-flex;width:34px;height:34px;border-radius:10px;background:var(--yellow);
  color:#3a2c00;align-items:center;justify-content:center;font-size:18px;flex-shrink:0}

/* ---- Section basics ---- */
section{padding:74px 0}
.sec-head{text-align:center;max-width:680px;margin:0 auto 46px}
.sec-head .kick{color:var(--blue);font-weight:800;letter-spacing:1.5px;text-transform:uppercase;font-size:13px}
.sec-head h2{font-size:34px;font-weight:900;margin:8px 0 12px;letter-spacing:-.5px}
.sec-head p{color:var(--mid);font-size:17px;margin:0}
.soft{background:var(--soft)}

/* ---- Stats bar ---- */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;text-align:center}
.stats .n{font-size:40px;font-weight:900;color:var(--blue);line-height:1}
.stats .l{color:var(--mid);font-weight:600;margin-top:6px;font-size:14px}

/* ---- Services grid ---- */
.grid{display:grid;gap:22px}
.g3{grid-template-columns:repeat(3,1fr)}
.g2{grid-template-columns:repeat(2,1fr)}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:28px;
  transition:.2s;box-shadow:var(--shadow)}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:#cfe0f2}
.card .ico{width:54px;height:54px;border-radius:14px;background:var(--blue-l);color:var(--blue);
  display:flex;align-items:center;justify-content:center;font-size:26px;margin-bottom:16px}
.card h3{margin:0 0 8px;font-size:19px;font-weight:800}
.card p{margin:0;color:var(--mid);font-size:15px}

/* ---- Realisations gallery ---- */
.projects{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.project{border-radius:var(--radius);overflow:hidden;background:#fff;border:1px solid var(--line);
  box-shadow:var(--shadow);transition:.2s}
.project:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg)}
.project .thumb{height:210px;position:relative;display:flex;align-items:flex-end;
  background-size:cover;background-position:center}
.project .thumb .ph{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;
  font-size:60px;opacity:.9;color:#fff}
.project .tag{position:absolute;top:14px;left:14px;background:var(--yellow);color:#3a2c00;
  font-weight:800;font-size:12px;padding:5px 12px;border-radius:999px;z-index:2}
.project .body{padding:20px 22px 24px}
.project .body h3{margin:0 0 6px;font-size:18px;font-weight:800}
.project .body .loc{color:var(--blue);font-weight:700;font-size:13px;margin-bottom:8px}
.project .body p{margin:0;color:var(--mid);font-size:14.5px}
.grad-a{background:linear-gradient(135deg,#0f3a5f,#2f8fd8)}
.grad-b{background:linear-gradient(135deg,#12527f,#1C75BC)}
.grad-c{background:linear-gradient(135deg,#1a2230,#3a4a63)}
.grad-d{background:linear-gradient(135deg,#b8860b,#FDB913)}
.grad-e{background:linear-gradient(135deg,#0f3a5f,#1C75BC)}
.grad-f{background:linear-gradient(135deg,#2f8fd8,#7ec0f0)}

/* ---- Team ---- */
.team{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
.member{background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:30px 24px;text-align:center;box-shadow:var(--shadow);transition:.2s}
.member:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg)}
.member .ava{width:104px;height:104px;border-radius:50%;margin:0 auto 16px;display:flex;
  align-items:center;justify-content:center;font-size:38px;font-weight:900;color:#fff;
  background:linear-gradient(135deg,var(--blue),#2f8fd8);background-size:cover;background-position:center}
.member h3{margin:0 0 4px;font-size:20px;font-weight:800}
.member .role{color:var(--blue);font-weight:700;font-size:14px;margin-bottom:10px}
.member p{margin:0;color:var(--mid);font-size:14.5px}
.values{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-top:8px}
.value{text-align:center}
.value .ico{font-size:30px;margin-bottom:8px}
.value h4{margin:0 0 4px;font-size:16px}
.value p{margin:0;color:var(--mid);font-size:14px}

/* ---- CTA band ---- */
.band{background:linear-gradient(135deg,#12527f,var(--blue));color:#fff;border-radius:24px;
  padding:48px;text-align:center;box-shadow:var(--shadow-lg);position:relative;overflow:hidden}
.band::after{content:"";position:absolute;inset:0;opacity:.12;
  background:repeating-linear-gradient(115deg,transparent 0 40px,rgba(255,255,255,.08) 40px 42px)}
.band h2{position:relative;font-size:30px;font-weight:900;margin:0 0 10px}
.band p{position:relative;opacity:.92;font-size:17px;margin:0 0 22px}
.band .cta-row{position:relative;display:flex;gap:12px;justify-content:center;flex-wrap:wrap}

/* ---- Contact ---- */
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:start}
.info-list{display:grid;gap:18px}
.info-item{display:flex;gap:16px;align-items:flex-start;background:#fff;border:1px solid var(--line);
  border-radius:14px;padding:18px 20px;box-shadow:var(--shadow)}
.info-item .ico{width:46px;height:46px;border-radius:12px;background:var(--blue-l);color:var(--blue);
  display:flex;align-items:center;justify-content:center;font-size:22px;flex-shrink:0}
.info-item .k{font-weight:800;font-size:15px}
.info-item .v{color:var(--mid);font-size:15px}
.info-item a.v:hover{color:var(--blue)}
form.cf{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:28px;box-shadow:var(--shadow)}
form.cf label{display:block;font-weight:700;font-size:14px;margin:0 0 6px}
form.cf input,form.cf textarea{width:100%;padding:12px 14px;border:1px solid var(--line);
  border-radius:10px;font:inherit;margin-bottom:16px;background:var(--soft)}
form.cf input:focus,form.cf textarea:focus{outline:none;border-color:var(--blue);background:#fff}
form.cf textarea{min-height:130px;resize:vertical}
.map{border:0;width:100%;height:320px;border-radius:var(--radius);box-shadow:var(--shadow)}

/* ---- Page hero (interior) ---- */
.phero{background:linear-gradient(135deg,#0f3a5f,var(--blue));color:#fff;text-align:center;
  padding:64px 22px 58px;position:relative;overflow:hidden}
.phero::after{content:"";position:absolute;inset:0;opacity:.12;
  background:repeating-linear-gradient(115deg,transparent 0 40px,rgba(255,255,255,.07) 40px 42px)}
.phero h1{position:relative;font-size:38px;font-weight:900;margin:0 0 10px}
.phero p{position:relative;opacity:.93;font-size:17px;max-width:600px;margin:0 auto}
.crumb{position:relative;font-size:14px;opacity:.85;margin-bottom:14px}
.crumb a:hover{text-decoration:underline}

/* ---- Footer ---- */
.foot{background:var(--dark);color:#c9d2dd;padding:56px 0 26px;font-size:14.5px}
.foot .cols{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:36px}
.foot img{height:40px;margin-bottom:14px;filter:brightness(1.6) contrast(1.1)}
.foot h4{color:#fff;font-size:15px;margin:0 0 14px;text-transform:uppercase;letter-spacing:.5px}
.foot a{color:#c9d2dd;display:block;padding:4px 0}
.foot a:hover{color:var(--yellow)}
.foot .desc{color:#9aa6b3;max-width:280px}
.foot .legal{border-top:1px solid #2a2a30;margin-top:34px;padding-top:20px;color:#8892a0;
  font-size:12.5px;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap}

/* ---- Responsive ---- */
@media(max-width:900px){
  .hero .wrap{grid-template-columns:1fr;padding:56px 22px 64px}
  .hero h1{font-size:34px}.hero-card{display:none}
  .g3,.projects,.team{grid-template-columns:1fr 1fr}
  .stats{grid-template-columns:1fr 1fr;gap:28px}
  .contact-grid,.foot .cols{grid-template-columns:1fr}
  .values{grid-template-columns:1fr 1fr}
}
@media(max-width:640px){
  .nav{display:none;position:absolute;top:74px;left:0;right:0;flex-direction:column;
    background:#fff;border-bottom:1px solid var(--line);padding:12px 16px;gap:4px;align-items:stretch}
  .nav.open{display:flex}
  .nav a{padding:12px}
  .burger{display:flex}
  .g3,.g2,.projects,.team,.values{grid-template-columns:1fr}
  .stats{grid-template-columns:1fr 1fr}
  .hero h1{font-size:29px}.sec-head h2{font-size:27px}
  .band{padding:34px 22px}
  section{padding:54px 0}
}

/* ============================================================
   RÉALISATIONS — fil façon Instagram
   ============================================================ */
.feed{max-width:620px;margin:0 auto;display:flex;flex-direction:column;gap:34px}
.post{background:#fff;border:1px solid var(--line);border-radius:18px;overflow:hidden;box-shadow:var(--shadow)}
.post-hd{display:flex;align-items:center;gap:12px;padding:14px 16px}
.post-hd .av{width:42px;height:42px;border-radius:50%;background:linear-gradient(135deg,var(--blue),#2f8fd8);
  display:flex;align-items:center;justify-content:center;flex-shrink:0;overflow:hidden}
.post-hd .av img{width:100%;height:100%;object-fit:cover}
.post-hd .who{font-weight:800;font-size:15px;line-height:1.2}
.post-hd .sub{color:var(--mid);font-size:12.5px}
.post-media{position:relative;background:#0e1622;aspect-ratio:4/3;overflow:hidden}
.post-media img{width:100%;height:100%;object-fit:cover;display:block}
.post-media .grad{width:100%;height:100%;display:flex;align-items:center;justify-content:center;font-size:70px;color:rgba(255,255,255,.85)}
/* carrousel */
.carrousel{display:flex;width:100%;height:100%;overflow-x:auto;scroll-snap-type:x mandatory;scrollbar-width:none}
.carrousel::-webkit-scrollbar{display:none}
.carrousel>*{flex:0 0 100%;height:100%;scroll-snap-align:center}
.dots{position:absolute;bottom:12px;left:0;right:0;display:flex;gap:6px;justify-content:center;z-index:3}
.dots i{width:7px;height:7px;border-radius:50%;background:rgba(255,255,255,.55);transition:.2s}
.dots i.on{background:#fff;width:20px;border-radius:4px}
.count-badge{position:absolute;top:12px;right:12px;background:rgba(0,0,0,.55);color:#fff;font-size:12px;
  font-weight:700;padding:4px 10px;border-radius:999px;z-index:3;backdrop-filter:blur(4px)}
/* avant / après */
.ba{position:relative;width:100%;height:100%;overflow:hidden;touch-action:none;cursor:ew-resize;user-select:none}
.ba .layer{position:absolute;inset:0}
.ba .layer img,.ba .layer .grad{width:100%;height:100%;object-fit:cover}
.ba .after{clip-path:inset(0 0 0 var(--x,50%))}
.ba .lab{position:absolute;bottom:12px;font-size:11px;font-weight:800;letter-spacing:.5px;color:#fff;
  background:rgba(0,0,0,.6);padding:4px 10px;border-radius:999px;z-index:4}
.ba .lab.l{left:12px}.ba .lab.r{right:12px}
.ba .handle{position:absolute;top:0;bottom:0;left:var(--x,50%);width:3px;background:#fff;transform:translateX(-50%);z-index:5;box-shadow:0 0 8px rgba(0,0,0,.4)}
.ba .handle::after{content:"⇆";position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);
  width:38px;height:38px;border-radius:50%;background:#fff;color:var(--blue);display:flex;align-items:center;
  justify-content:center;font-size:18px;font-weight:900;box-shadow:0 2px 10px rgba(0,0,0,.3)}
.post-body{padding:14px 18px 20px}
.post-body .ttl{font-weight:800;font-size:17px;margin:0 0 4px}
.post-body .loc{color:var(--blue);font-weight:700;font-size:13px;margin-bottom:8px;display:flex;align-items:center;gap:5px}
.post-body p{margin:0;color:#374253;font-size:15px;white-space:pre-wrap}
.post-body .date{color:var(--mid);font-size:12.5px;margin-top:12px;text-transform:uppercase;letter-spacing:.5px}
/* état vide */
.feed-empty{max-width:560px;margin:0 auto;text-align:center;padding:50px 24px;border:2px dashed var(--line);
  border-radius:20px;color:var(--mid)}
.feed-empty .big{font-size:52px;margin-bottom:12px}
.feed-empty h3{color:var(--ink);font-size:22px;margin:0 0 8px}
/* lightbox */
.lb{position:fixed;inset:0;background:rgba(8,12,20,.94);z-index:200;display:none;align-items:center;justify-content:center}
.lb.on{display:flex}
.lb img{max-width:94vw;max-height:88vh;object-fit:contain;border-radius:8px}
.lb .x{position:absolute;top:18px;right:22px;color:#fff;font-size:34px;cursor:pointer;line-height:1;background:none;border:0}
.lb .nav{position:absolute;top:50%;transform:translateY(-50%);color:#fff;font-size:40px;cursor:pointer;
  background:rgba(255,255,255,.12);border:0;width:56px;height:56px;border-radius:50%}
.lb .prev{left:14px}.lb .next{right:14px}
@media(max-width:640px){ .lb .nav{width:44px;height:44px;font-size:28px} }

/* ---- Filtres catégories (réalisations) ---- */
.reals-filter{max-width:680px;margin:0 auto 28px;display:flex;flex-wrap:wrap;gap:8px;justify-content:center}
.reals-filter button{border:1.5px solid var(--line);background:#fff;color:var(--ink);border-radius:999px;
  padding:8px 15px;font-size:13.5px;font-weight:700;font-family:inherit;cursor:pointer;transition:.15s}
.reals-filter button:hover{border-color:var(--blue);color:var(--blue)}
.reals-filter button.on{background:var(--blue);color:#fff;border-color:var(--blue)}
.post-hd .cat{color:var(--blue);font-weight:700}