/* =====================================================================
   ERNEX — Pages internes (À propos · Services · Contact)
   Identité : NOIR + VERT, sans aucune image. Tout est typographie,
   couleur, mise en page et effets CSS. Montserrat + Open Sans.
   ===================================================================== */
@import url("https://fonts.googleapis.com/css2?family=Montserrat:wght@500;600;700;800;900&family=Open+Sans:wght@400;500;600;700&display=swap");

:root{
  --bg:#07090a;
  --bg-2:#0a0e08;
  --panel:#10150d;
  --panel-2:#141b10;
  --green:#7bbd44;
  --lime:#8bc63f;
  --green-d:#5e9a31;
  --text:#eaf0e4;
  --muted:#909c84;
  --line:rgba(255,255,255,.09);
  --line-2:rgba(139,198,63,.22);
  --radius:18px;
  --radius-sm:12px;
  --maxw:1180px;
  --ease:cubic-bezier(.22,1,.36,1);
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;font-size:16px}
body{font-family:"Open Sans",sans-serif;background:var(--bg);color:var(--text);line-height:1.65;
  -webkit-font-smoothing:antialiased;overflow-x:hidden}
a{text-decoration:none;color:inherit}
h1,h2,h3,h4,h5{font-family:"Montserrat",sans-serif;line-height:1.1;color:#fff;font-weight:800;letter-spacing:-.015em}
.container{max-width:var(--maxw);margin-inline:auto;padding-inline:clamp(1.25rem,5vw,2.5rem)}
.grad{color:var(--lime)}
.eyebrow{display:inline-flex;align-items:center;gap:.6rem;font-family:"Montserrat",sans-serif;font-weight:700;
  font-size:.78rem;letter-spacing:.22em;text-transform:uppercase;color:var(--lime)}
.eyebrow::before{content:"";width:30px;height:2px;background:var(--green)}
.lead{font-size:clamp(1.02rem,1.6vw,1.18rem);color:var(--muted);max-width:60ch}

/* logo (image identique à la page d'accueil) */
.brand{display:inline-flex;align-items:center;line-height:1}
.brand img{height:42px;width:auto;display:block}

/* buttons */
.btn{display:inline-flex;align-items:center;gap:.55rem;font-family:"Montserrat",sans-serif;font-weight:700;font-size:.95rem;
  padding:.9rem 1.8rem;border-radius:30px;cursor:pointer;border:2px solid transparent;
  transition:transform .25s var(--ease),box-shadow .25s,background .25s,color .25s,border-color .25s;white-space:nowrap}
.btn svg{width:18px;height:18px}
.btn--primary{background:var(--green);color:#07090a;box-shadow:0 14px 30px -12px rgba(123,189,68,.8)}
.btn--primary:hover{background:var(--lime);transform:translateY(-2px);box-shadow:0 20px 40px -12px rgba(139,198,63,.9)}
.btn--ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.22)}
.btn--ghost:hover{border-color:var(--green);color:var(--lime);transform:translateY(-2px)}

/* header */
.site-header{position:fixed;inset:0 0 auto;z-index:50;padding:1rem 0;transition:background .3s,backdrop-filter .3s,box-shadow .3s,border-color .3s;border-bottom:1px solid transparent}
.site-header.scrolled{background:rgba(7,9,10,.85);backdrop-filter:blur(14px);border-color:var(--line);box-shadow:0 10px 30px -18px #000}
.nav{display:flex;align-items:center;justify-content:space-between;gap:1.5rem}
.nav-links{display:flex;align-items:center;gap:2rem;list-style:none}
.nav-links a{font-family:"Montserrat",sans-serif;font-weight:600;font-size:.97rem;color:#dfe6d8;transition:color .2s;position:relative}
.nav-links a::after{content:"";position:absolute;left:0;right:100%;bottom:-6px;height:2px;background:var(--green);transition:right .3s var(--ease)}
.nav-links a:hover,.nav-links a.active{color:var(--lime)}
.nav-links a.active::after,.nav-links a:hover::after{right:0}
.nav-right{display:flex;align-items:center;gap:1rem}
.burger{display:none;flex-direction:column;gap:5px;background:none;border:0;cursor:pointer;padding:8px}
.burger span{width:26px;height:2.5px;background:#fff;border-radius:3px;transition:.3s var(--ease)}
.nav-open .burger span:nth-child(1){transform:translateY(7.5px) rotate(45deg)}
.nav-open .burger span:nth-child(2){opacity:0}
.nav-open .burger span:nth-child(3){transform:translateY(-7.5px) rotate(-45deg)}

/* atmosphere helpers */
.grid-bg{position:absolute;inset:0;background-image:
  linear-gradient(rgba(255,255,255,.04) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.04) 1px,transparent 1px);
  background-size:48px 48px;mask-image:radial-gradient(120% 90% at 60% 0,#000,transparent 78%);pointer-events:none}
.glow{position:absolute;border-radius:50%;filter:blur(20px);pointer-events:none;
  background:radial-gradient(circle,rgba(123,189,68,.30),transparent 70%)}

/* hero */
.hero{position:relative;padding:clamp(9rem,15vw,12rem) 0 clamp(4rem,8vw,6.5rem);overflow:hidden;
  background:radial-gradient(120% 120% at 75% -10%,#15240c 0,var(--bg) 55%)}
.hero .glow{width:560px;height:560px;top:-160px;right:-80px}
.hero .container{position:relative;z-index:2}
.hero-inner{max-width:880px}
.hero h1{font-size:clamp(2.6rem,7vw,5rem);font-weight:900;margin:1.2rem 0 1.4rem;color:#fff;letter-spacing:-.025em}
.hero .lead{color:rgba(234,240,228,.78);max-width:54ch}
.hero-cta{display:flex;flex-wrap:wrap;gap:1rem;margin-top:2.2rem}
.crumbs{font-size:.82rem;color:var(--muted);margin-bottom:1.1rem;letter-spacing:.02em}
.crumbs a:hover{color:var(--lime)}
.hero-mini{display:flex;flex-wrap:wrap;gap:2.4rem;margin-top:3rem;padding-top:2rem;border-top:1px solid var(--line)}
.hero-mini .m b{font-family:"Montserrat",sans-serif;font-weight:900;font-size:1.8rem;color:var(--lime);display:block;line-height:1}
.hero-mini .m span{font-size:.85rem;color:var(--muted)}

/* sections */
.section{padding:clamp(3.8rem,7vw,6rem) 0;position:relative;overflow:hidden}
.section--alt{background:var(--bg-2)}
.section--alt::before{content:"";position:absolute;inset:0;background:radial-gradient(80% 60% at 10% 0,rgba(123,189,68,.06),transparent 60%);pointer-events:none}
.section-head{max-width:720px;margin-bottom:clamp(2.4rem,5vw,3.4rem)}
.section-head.center{margin-inline:auto;text-align:center}
.section-head h2{font-size:clamp(1.9rem,4.2vw,2.9rem);margin-top:1rem}
.section-head p{margin-top:1rem;color:var(--muted)}

/* split */
.split{display:grid;grid-template-columns:1fr 1fr;gap:clamp(2.2rem,5vw,4.5rem);align-items:center}
.split h2{font-size:clamp(1.8rem,3.6vw,2.6rem);margin:.7rem 0 1.2rem}
.split p{color:var(--muted)}
.feat-list{list-style:none;display:grid;gap:1rem;margin:1.7rem 0}
.feat-list li{display:flex;gap:.8rem;align-items:flex-start;font-weight:600;color:var(--text)}
.feat-list svg{width:22px;height:22px;color:var(--lime);flex-shrink:0;margin-top:2px}
/* decorative CSS panel (remplace une image) */
.deco{position:relative;aspect-ratio:1/.9;border:1px solid var(--line);border-radius:var(--radius);
  background:linear-gradient(160deg,var(--panel),#0a0e07);overflow:hidden;display:grid;place-items:center}
.deco .grid-bg{mask-image:none;opacity:.5}
.deco .glow{width:300px;height:300px;top:50%;left:50%;transform:translate(-50%,-50%)}
.deco .xmark{position:relative;font-family:"Montserrat",sans-serif;font-weight:900;font-size:clamp(7rem,18vw,12rem);
  color:transparent;-webkit-text-stroke:2px var(--green);line-height:1}
.deco .ring{position:absolute;border:1px solid var(--line-2);border-radius:50%}
.deco .ring.r1{width:62%;height:62%}.deco .ring.r2{width:84%;height:84%}.deco .ring.r3{width:106%;height:106%}

/* cards */
.cards{display:grid;gap:1.4rem;grid-template-columns:repeat(auto-fit,minmax(270px,1fr))}
.card{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:2rem 1.8rem;position:relative;
  transition:transform .3s var(--ease),border-color .3s,background .3s}
.card::after{content:"";position:absolute;inset:0;border-radius:var(--radius);padding:1px;pointer-events:none;
  background:linear-gradient(160deg,rgba(139,198,63,.4),transparent 40%);-webkit-mask:linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0);
  -webkit-mask-composite:xor;mask-composite:exclude;opacity:0;transition:opacity .3s}
.card:hover{transform:translateY(-8px);background:var(--panel-2);border-color:transparent}
.card:hover::after{opacity:1}
.card-ico{width:60px;height:60px;border-radius:15px;display:grid;place-items:center;margin-bottom:1.3rem;
  background:linear-gradient(150deg,rgba(139,198,63,.18),rgba(123,189,68,.05));border:1px solid var(--line-2);color:var(--lime)}
.card-ico svg{width:28px;height:28px}
.card h3{font-size:1.2rem;margin-bottom:.6rem;color:#fff}
.card p{color:var(--muted);font-size:.96rem}

/* stats */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}
.stat{text-align:center;padding:clamp(1.6rem,3.5vw,2.4rem) 1rem;background:var(--panel)}
.stat b{display:block;font-family:"Montserrat",sans-serif;font-weight:900;font-size:clamp(2rem,4vw,2.9rem);
  color:var(--lime);line-height:1}
.stat span{display:block;margin-top:.5rem;font-size:.88rem;color:var(--muted);font-weight:600}

/* steps */
.steps{display:grid;gap:1.4rem;grid-template-columns:repeat(auto-fit,minmax(230px,1fr))}
.step{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:2rem 1.7rem;position:relative}
.step b{font-family:"Montserrat",sans-serif;font-weight:900;font-size:2.6rem;color:transparent;-webkit-text-stroke:1.5px var(--green-d);line-height:1}
.step h3{font-size:1.15rem;margin:.6rem 0 .5rem;color:#fff}
.step p{color:var(--muted);font-size:.93rem}

/* roles (équipe sans image) */
.roles{display:grid;gap:1.4rem;grid-template-columns:repeat(auto-fit,minmax(240px,1fr))}
.role-card{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:2.2rem 1.8rem;text-align:center;transition:transform .3s var(--ease),border-color .3s}
.role-card:hover{transform:translateY(-6px);border-color:var(--line-2)}
.role-ico{width:84px;height:84px;border-radius:50%;margin:0 auto 1.3rem;display:grid;place-items:center;
  background:radial-gradient(circle at 50% 35%,rgba(139,198,63,.25),rgba(123,189,68,.04));border:1px solid var(--line-2);color:var(--lime)}
.role-ico svg{width:36px;height:36px}
.role-card h3{font-size:1.18rem;color:#fff}
.role-card .role{display:block;color:var(--lime);font-weight:700;font-size:.8rem;letter-spacing:.08em;text-transform:uppercase;margin:.35rem 0 .7rem}
.role-card p{color:var(--muted);font-size:.93rem}

/* faq */
.faq{max-width:780px;margin-inline:auto;display:grid;gap:.9rem}
.qa{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius-sm);overflow:hidden;transition:border-color .3s}
.qa[open]{border-color:var(--line-2)}
.qa summary{list-style:none;cursor:pointer;padding:1.25rem 1.4rem;display:flex;justify-content:space-between;align-items:center;gap:1rem;
  font-family:"Montserrat",sans-serif;font-weight:700;font-size:1.02rem;color:#fff}
.qa summary::-webkit-details-marker{display:none}
.qa summary .ic{width:26px;height:26px;flex-shrink:0;border-radius:50%;border:2px solid var(--line);display:grid;place-items:center;color:var(--lime);transition:.3s var(--ease)}
.qa[open] summary .ic{transform:rotate(45deg);background:var(--green);border-color:var(--green);color:#07090a}
.qa .ans{padding:0 1.4rem 1.3rem;color:var(--muted)}

/* contact */
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:clamp(2rem,5vw,3.5rem);align-items:start}
.methods{display:grid;gap:1.1rem;margin-top:1.7rem}
.method{display:flex;gap:1rem;align-items:flex-start;background:var(--panel);border:1px solid var(--line);border-radius:var(--radius-sm);padding:1.2rem 1.3rem;transition:border-color .3s,transform .3s}
.method:hover{border-color:var(--line-2);transform:translateY(-3px)}
.method .mic{width:48px;height:48px;border-radius:13px;flex-shrink:0;display:grid;place-items:center;background:linear-gradient(150deg,rgba(139,198,63,.18),rgba(123,189,68,.04));border:1px solid var(--line-2);color:var(--lime)}
.method .mic svg{width:22px;height:22px}
.method h3{font-size:1.02rem;margin-bottom:.15rem;color:#fff}
.method p,.method a{color:var(--muted);font-size:.93rem}
.method a:hover{color:var(--lime)}
.form{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:clamp(1.6rem,3vw,2.4rem)}
.form h2{font-size:clamp(1.5rem,2.8vw,2rem)}
.field{margin-bottom:1.05rem}
.field label{display:block;font-weight:600;font-size:.85rem;margin-bottom:.4rem;color:var(--text)}
.field input,.field select,.field textarea{width:100%;padding:.85rem 1rem;border:1.5px solid var(--line);border-radius:12px;
  font-family:inherit;font-size:.95rem;color:#fff;background:#0a0e07;transition:border-color .2s}
.field input::placeholder,.field textarea::placeholder{color:#5d6a52}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--green)}
.field select{appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='14' fill='none' stroke='%238bc63f' stroke-width='2'%3E%3Cpath d='M3 5l4 4 4-4'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 1rem center}
.field textarea{resize:vertical;min-height:130px}

/* CTA */
.cta{position:relative;overflow:hidden;border:1px solid var(--line-2);border-radius:var(--radius);padding:clamp(2.6rem,5vw,4rem);
  text-align:center;background:linear-gradient(150deg,#16240d,#090c07)}
.cta .glow{width:420px;height:300px;top:-120px;left:50%;transform:translateX(-50%)}
.cta h2{position:relative;font-size:clamp(1.7rem,3.4vw,2.5rem);color:#fff}
.cta p{position:relative;color:rgba(234,240,228,.75);margin:.9rem auto 0;max-width:52ch}
.cta .hero-cta{position:relative;justify-content:center;margin-top:1.8rem}

/* footer (identique à la page d'accueil : vert + carte) */
.site-footer{background:var(--green);color:#fff;padding:clamp(2.8rem,5vw,4rem) 0 0;position:relative;overflow:hidden}
.site-footer::before{content:"";position:absolute;inset:0;background:radial-gradient(120% 90% at 80% 0,rgba(255,255,255,.10),transparent 60%);pointer-events:none}
.foot-logo{display:block;width:200px;max-width:55%;height:auto;margin:0 auto clamp(1.6rem,4vw,2.4rem);position:relative}
.foot-grid{display:grid;grid-template-columns:1fr 1fr;gap:clamp(2rem,5vw,3.5rem);align-items:center;
  padding-bottom:clamp(2.6rem,5vw,3.6rem);position:relative}
.foot-brand h4{font-family:"Montserrat",sans-serif;font-weight:800;color:#fff;font-size:clamp(1.5rem,2.6vw,2rem);
  line-height:1.15;margin-bottom:1rem;letter-spacing:-.01em}
.foot-brand p{color:rgba(255,255,255,.9);font-size:.95rem;max-width:46ch;margin-bottom:1.4rem}
.foot-contact a{display:inline-flex;align-items:center;gap:.6rem;color:#fff;font-weight:600;font-size:1.05rem;margin-bottom:.5rem}
.foot-contact a svg{width:20px;height:20px}
.foot-contact a.mail{font-weight:400;font-size:.98rem;opacity:.95}
.foot-contact a:hover{color:#15200a}
.socials{display:flex;gap:.7rem;margin-top:1.3rem}
.socials a{width:42px;height:42px;border-radius:50%;background:#15200a;display:grid;place-items:center;color:#fff;transition:.25s var(--ease)}
.socials a:hover{background:#000;transform:translateY(-3px)}
.socials svg{width:18px;height:18px}
.foot-map{border-radius:var(--radius);overflow:hidden;min-height:300px;position:relative;
  box-shadow:0 24px 50px -28px rgba(0,0,0,.5);background:#e9efe0}
.foot-map iframe{width:100%;height:100%;min-height:300px;border:0;position:relative;z-index:1}
.foot-map .mapfallback{position:absolute;inset:0;display:grid;place-items:center;gap:.4rem;text-align:center;color:#5e6b54;z-index:0;padding:1rem}
.foot-copy{background:#2b2b2b;color:rgba(255,255,255,.75);text-align:center;font-size:.88rem;padding:1.1rem 1rem;position:relative}
.foot-copy a{color:rgba(255,255,255,.9)}
.foot-copy a:hover{color:var(--lime)}

/* reveal */
.reveal{opacity:0;transform:translateY(26px);transition:opacity .7s var(--ease),transform .7s var(--ease)}
.reveal.in{opacity:1;transform:none}
.reveal.d1{transition-delay:.08s}.reveal.d2{transition-delay:.16s}.reveal.d3{transition-delay:.24s}.reveal.d4{transition-delay:.32s}

/* responsive */
@media (max-width:900px){
  .split,.contact-grid{grid-template-columns:1fr}
  .deco{max-width:440px;margin-inline:auto;order:-1}
  .stats{grid-template-columns:1fr 1fr}
  .foot-grid{grid-template-columns:1fr;gap:2.2rem}
  .foot-map{order:2;min-height:260px}
}
@media (max-width:760px){
  .burger{display:flex}
  .nav-links{position:fixed;inset:0 0 0 auto;width:min(80vw,320px);background:rgba(7,9,10,.98);backdrop-filter:blur(14px);
    flex-direction:column;align-items:flex-start;justify-content:center;gap:1.8rem;padding:2.5rem;transform:translateX(100%);
    transition:transform .4s var(--ease);z-index:60;border-left:1px solid var(--line)}
  .nav-open .nav-links{transform:none}
  .nav-links a{font-size:1.3rem}
  .nav-right .btn{display:none}
  .nav-open .burger{position:fixed;right:1.4rem;top:1.4rem;z-index:61}
}
@media (max-width:520px){
  .stats{grid-template-columns:1fr 1fr;gap:1px}
  .hero-mini{gap:1.6rem}
}

/* image éditable à la place de la décoration (remplaçable plus tard) */
.deco-img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;border-radius:inherit;display:block}