/* ═══════════════════════════════════════════
   AXIOMS SOLUTIONS — CSS v3
   Palette: #34B1E4 bleu · #0A2540 marine · blanc
   v3: bleu marine réduit, Option B métiers, contact clair
   ═══════════════════════════════════════════ */

:root {
  --blue:       #34B1E4;
  --blue2:      #1A8BBF;
  --blue3:      #0D6A96;
  --blue4:      #0A4A6E;
  --blue-lt:    #E3F4FF;
  --navy:       #0A2540;
  --navy2:      #0E3259;
  --white:      #FFFFFF;
  --grey-bg:    #F5F8FA;
  --grey-mid:   #EDF1F5;
  --grey:       #8A9BAE;
  --text:       #1C2B3A;
  --text-m:     #5A6A7A;
  --r:          12px;
  --r-sm:       8px;
  --sh:         0 4px 24px rgba(10,37,64,.09);
  --sh-lg:      0 12px 48px rgba(10,37,64,.15);
  --tr:         .3s cubic-bezier(.4,0,.2,1);
  --font:       'Inter', system-ui, sans-serif;
  --cond:       'Barlow Condensed', sans-serif;
}

*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:var(--font);color:var(--text);background:var(--white);overflow-x:hidden;line-height:1.6}
img{max-width:100%;display:block}
a{text-decoration:none;color:inherit}
ul{list-style:none}
button{cursor:pointer;border:none;background:none;font-family:inherit}

.container{max-width:1200px;margin:0 auto;padding:0 24px}

/* ── Buttons ── */
.btn{display:inline-flex;align-items:center;gap:8px;padding:14px 30px;border-radius:50px;font-weight:600;font-size:.95rem;transition:var(--tr);white-space:nowrap}
.btn-primary{background:var(--blue);color:#fff}
.btn-primary:hover{background:var(--blue2);transform:translateY(-2px);box-shadow:0 8px 24px rgba(52,177,228,.35)}
.btn-ghost{border:2px solid rgba(255,255,255,.5);color:#fff}
.btn-ghost:hover{border-color:#fff;background:rgba(255,255,255,.12)}
.btn-full{width:100%;justify-content:center;border-radius:var(--r-sm);padding:16px}

/* ── Sections ── */
.section{padding:96px 0}
.section-hd{text-align:center;max-width:680px;margin:0 auto 64px}
.stag{display:inline-block;background:var(--blue-lt);color:var(--blue2);font-weight:600;font-size:.78rem;letter-spacing:.12em;text-transform:uppercase;padding:6px 16px;border-radius:50px;margin-bottom:16px}
.section-hd h2{font-size:clamp(1.8rem,3vw,2.5rem);font-weight:800;color:var(--navy);line-height:1.2;margin-bottom:14px}
.section-desc{color:var(--text-m);font-size:1.05rem;line-height:1.7}

/* ── Fade in ── */
.fade-in{opacity:0;transform:translateY(28px);transition:opacity .7s ease,transform .7s ease}
.fade-in.visible{opacity:1;transform:translateY(0)}

/* ═══════ NAVIGATION ═══════ */
#header{position:fixed;top:0;left:0;right:0;z-index:100;transition:background var(--tr),box-shadow var(--tr)}
#header.scrolled{background:rgba(10,37,64,.97);backdrop-filter:blur(12px);box-shadow:0 2px 20px rgba(0,0,0,.25)}
.nav{display:flex;align-items:center;justify-content:space-between;height:72px}
.nav-logo-img{height:44px;width:auto;filter:brightness(0) invert(1);transition:var(--tr)}
#header.scrolled .nav-logo-img{filter:brightness(0) invert(1)}
.nav-links{display:flex;align-items:center;gap:4px}
.nav-links a{color:rgba(255,255,255,.8);font-weight:500;font-size:.88rem;padding:8px 14px;border-radius:50px;transition:var(--tr)}
.nav-links a:hover{color:#fff;background:rgba(255,255,255,.1)}
.nav-cta{background:var(--blue)!important;color:#fff!important}
.nav-cta:hover{background:var(--blue2)!important}
.burger{display:none;flex-direction:column;gap:5px;padding:8px}
.burger span{display:block;width:22px;height:2px;background:#fff;border-radius:2px;transition:var(--tr)}

/* ═══════ HERO ═══════ */
.hero{position:relative;min-height:100vh;display:flex;align-items:center;overflow:hidden;background:var(--navy)}
.hero-photo{position:absolute;inset:0;background-size:cover;background-position:center;background-repeat:no-repeat}
.hero-overlay{position:absolute;inset:0;background:linear-gradient(105deg,rgba(10,37,64,.88) 0%,rgba(10,37,64,.55) 60%,rgba(10,37,64,.3) 100%)}
.hero-content{position:relative;z-index:2;padding:140px 0 100px;max-width:740px}
.hero-badge{display:inline-flex;align-items:center;background:rgba(52,177,228,.18);border:1px solid rgba(52,177,228,.4);color:var(--blue);font-size:.8rem;font-weight:600;letter-spacing:.1em;text-transform:uppercase;padding:7px 18px;border-radius:50px;margin-bottom:28px}
.hero-title{font-family:var(--cond);font-size:clamp(3rem,7vw,5.5rem);font-weight:700;color:#fff;line-height:1.05;letter-spacing:-.01em;text-transform:uppercase;margin-bottom:20px}
.hero-title .accent{color:var(--blue)}
.hero-sub{color:rgba(255,255,255,.72);font-size:1.08rem;line-height:1.7;max-width:560px;margin-bottom:36px}
.hero-btns{display:flex;gap:16px;flex-wrap:wrap;margin-bottom:40px}
.hero-offices{display:flex;gap:24px;flex-wrap:wrap;color:rgba(255,255,255,.5);font-size:.88rem}
.hero-scroll{position:absolute;bottom:28px;left:50%;transform:translateX(-50%)}
.scroll-line{width:1px;height:48px;background:linear-gradient(to bottom,var(--blue),transparent);animation:pulse 1.8s ease-in-out infinite}
@keyframes pulse{0%,100%{opacity:.3}50%{opacity:1}}

/* ═══════ STATS BAR ═══════ */
.stats-bar{background:var(--navy);padding:40px 0}
.stats-row{display:grid;grid-template-columns:repeat(4,1fr)}
.stat{text-align:center;padding:8px;border-right:1px solid rgba(255,255,255,.12)}
.stat:last-child{border-right:none}
.stat-n{font-family:var(--cond);font-size:3rem;font-weight:700;color:var(--blue);line-height:1}
.stat-plus{font-family:var(--cond);font-size:2rem;color:var(--blue)}
.stat-l{color:rgba(255,255,255,.55);font-size:.85rem;margin-top:6px;font-weight:500}

/* ═══════ À PROPOS ═══════ */
.apropos-grid{display:grid;grid-template-columns:1fr 1fr;gap:80px;align-items:center;margin-bottom:72px}
.apropos-text .stag{margin-bottom:14px}
.apropos-text h2{font-size:clamp(1.6rem,2.5vw,2.2rem);font-weight:800;color:var(--navy);margin-bottom:20px;line-height:1.25}
.apropos-text p{color:var(--text-m);line-height:1.75;margin-bottom:16px;font-size:.98rem}
.implantations{display:flex;gap:32px;margin-top:32px;padding-top:28px;border-top:1px solid #E8EEF4}
.impl-item{display:flex;align-items:center;gap:12px}
.impl-flag{font-size:2rem}
.impl-item strong{display:block;color:var(--navy);font-weight:600}
.impl-item span{color:var(--text-m);font-size:.88rem}

/* Photo mosaic */
.photo-mosaic{display:grid;grid-template-columns:2fr 1fr;grid-template-rows:auto auto;gap:12px}
.photo-main{grid-row:1/3;border-radius:var(--r);object-fit:cover;height:420px;width:100%}
.photo-sm{border-radius:var(--r-sm);object-fit:cover;height:204px;width:100%}

/* Timeline */
.timeline{display:flex;flex-direction:column;gap:0;position:relative;padding-left:120px;border-left:2px solid var(--blue-lt);margin:0 0 0 80px}
.tl-item{position:relative;padding:0 0 36px 40px}
.tl-item:last-child{padding-bottom:0}
.tl-dot{position:absolute;left:-8px;top:4px;width:14px;height:14px;border-radius:50%;background:var(--blue);border:3px solid #fff;box-shadow:0 0 0 3px var(--blue)}
.tl-year{position:absolute;left:-120px;top:0;font-family:var(--cond);font-weight:700;font-size:1.1rem;color:var(--blue);width:80px;text-align:right}
.tl-text strong{display:block;color:var(--navy);font-weight:600;margin-bottom:4px}
.tl-text p{color:var(--text-m);font-size:.9rem}

/* ═══════ VALEURS ═══════ */
.valeurs-section{background:var(--grey-bg)}
.valeurs-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.valeur-card{background:#fff;border-radius:var(--r);padding:40px 32px;border:1px solid #E8EEF4;transition:var(--tr);position:relative;overflow:hidden}
.valeur-card::after{content:'';position:absolute;bottom:0;left:0;right:0;height:3px;background:linear-gradient(90deg,var(--blue),var(--blue2));transform:scaleX(0);transform-origin:left;transition:var(--tr)}
.valeur-card:hover{box-shadow:var(--sh-lg);transform:translateY(-4px)}
.valeur-card:hover::after{transform:scaleX(1)}
.valeur-icon{width:60px;height:60px;background:var(--blue-lt);border-radius:var(--r-sm);display:flex;align-items:center;justify-content:center;margin-bottom:20px;color:var(--blue)}
.valeur-icon svg{width:34px;height:34px}
.valeur-card h3{font-size:1.2rem;font-weight:700;color:var(--navy);margin-bottom:12px}
.valeur-card p{color:var(--text-m);font-size:.93rem;line-height:1.65}

/* ═══════ MÉTIERS — v3 (fond clair, Option B) ═══════ */
.metiers-section{background:var(--grey-bg)}
.metiers-section .stag{background:var(--blue-lt);color:var(--blue2)}
.metiers-section h2{color:var(--navy)}
.metiers-section .section-desc{color:var(--text-m)}

/* Option B — grille 2×2 */
.metiers-b2{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-bottom:48px}

.mb-card{
  background:#fff;
  border-radius:var(--r);
  padding:36px 32px 36px 36px;
  border-left:4px solid var(--blue);
  box-shadow:var(--sh);
  transition:var(--tr);
  position:relative;
  overflow:hidden;
}
.mb-card:hover{transform:translateY(-3px);box-shadow:var(--sh-lg)}
.mb-c1{border-left-color:#34B1E4}
.mb-c2{border-left-color:#1A8BBF}
.mb-c3{border-left-color:#0D6A96}
.mb-c4{border-left-color:#0A4A6E}

.mb-num{
  position:absolute;
  top:20px;
  right:24px;
  font-family:var(--cond);
  font-size:4rem;
  font-weight:700;
  color:rgba(52,177,228,.08);
  line-height:1;
  user-select:none;
}
.mb-card h3{font-size:1.1rem;font-weight:700;color:var(--navy);margin-bottom:18px;padding-right:60px}
.mb-card ul{display:flex;flex-direction:column;gap:10px}
.mb-card li{font-size:.9rem;color:var(--text-m);padding-left:16px;position:relative;line-height:1.45}
.mb-card li::before{content:'';position:absolute;left:0;top:7px;width:6px;height:6px;border-radius:50%;background:var(--blue)}
.mb-c2 li::before{background:#1A8BBF}
.mb-c3 li::before{background:#0D6A96}
.mb-c4 li::before{background:#0A4A6E}

/* Domaines d'application */
.domaines-strip{
  background:#fff;
  border:1px solid #E8EEF4;
  border-radius:var(--r);
  padding:32px 36px;
}
.dom-strip-label{
  color:var(--grey);
  font-size:.75rem;
  font-weight:600;
  letter-spacing:.14em;
  text-transform:uppercase;
  margin-bottom:20px;
}
.dom-cards{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}
.dom-card{
  display:flex;
  flex-direction:column;
  align-items:center;
  gap:12px;
  padding:24px 16px;
  border-radius:var(--r-sm);
  border:1px solid #E8EEF4;
  background:var(--grey-bg);
  text-align:center;
  transition:var(--tr);
  cursor:default;
}
.dom-card:hover{border-color:var(--blue);background:var(--blue-lt)}
.dom-icon{width:40px;height:40px;color:var(--blue2);flex-shrink:0}
.dom-icon svg{width:40px;height:40px}
.dom-card span{font-family:var(--cond);font-weight:600;font-size:.82rem;letter-spacing:.06em;text-transform:uppercase;color:var(--navy);line-height:1.3}

/* ═══════ PROJETS ═══════ */
.projets-section{background:#fff}
.projets-filters{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:32px}
.fbtn{padding:8px 18px;border-radius:50px;font-size:.85rem;font-weight:500;border:1.5px solid #D0DCE8;color:var(--text-m);transition:var(--tr)}
.fbtn:hover,.fbtn.active{background:var(--navy);border-color:var(--navy);color:#fff}
.projets-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.pcard{background:#fff;border-radius:var(--r);overflow:hidden;border:1px solid #E8EEF4;transition:var(--tr)}
.pcard:hover{box-shadow:var(--sh-lg);transform:translateY(-5px)}
.pcard-photo{height:180px;background-size:cover;background-position:center;position:relative}
.pcard-photo::after{content:'';position:absolute;inset:0;background:linear-gradient(to top,rgba(10,37,64,.4),transparent)}
.pcard-body{padding:22px}
.pcard-top{display:flex;justify-content:space-between;align-items:center;margin-bottom:10px}
.pcard-pays{font-size:.85rem;color:var(--text-m);font-weight:500}
.pcard-type{background:var(--blue-lt);color:var(--blue2);font-size:.73rem;font-weight:600;letter-spacing:.06em;text-transform:uppercase;padding:4px 10px;border-radius:50px}
.pcard-body h3{font-size:1rem;font-weight:700;color:var(--navy);margin-bottom:6px}
.pcard-body p{color:var(--text-m);font-size:.87rem;line-height:1.5;margin-bottom:14px}
.pcard-tags{display:flex;gap:6px;flex-wrap:wrap}
.pcard-tags span{background:#F0F4F8;color:var(--text-m);font-size:.75rem;font-weight:500;padding:4px 10px;border-radius:50px}

/* ═══════ CLIENTS ═══════ */
.clients-section{background:var(--grey-bg)}
.clients-grid{
  display:grid;
  grid-template-columns:repeat(5,1fr);
  border-top:1px solid #E0E8F0;
  border-left:1px solid #E0E8F0;
}
.client-logo{
  padding:30px 20px;
  text-align:center;
  font-family:var(--cond);
  font-weight:700;
  font-size:1rem;
  letter-spacing:.06em;
  color:#A8B8C8;
  text-transform:uppercase;
  border-right:1px solid #E0E8F0;
  border-bottom:1px solid #E0E8F0;
  transition:var(--tr);
  cursor:default;
  display:flex;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  gap:3px;
  line-height:1.2;
}
.client-logo small{font-family:var(--font);font-weight:400;font-size:.7rem;letter-spacing:.03em;text-transform:none;color:#B8C8D8}
.client-logo:hover{color:var(--navy);background:#fff}

/* ═══════ CONTACT — v3 (fond clair) ═══════ */
.contact-section{background:#fff}
.contact-section .stag{background:var(--blue-lt);color:var(--blue2)}
.contact-section h2{color:var(--navy)}
.contact-section .section-desc{color:var(--text-m)}
.contact-grid{display:grid;grid-template-columns:1fr 360px;gap:60px}

.cform{
  display:flex;
  flex-direction:column;
  gap:18px;
  background:var(--grey-bg);
  border:1px solid #E8EEF4;
  border-radius:var(--r);
  padding:40px;
}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.fg{display:flex;flex-direction:column;gap:7px}
.fg label{color:var(--text);font-size:.85rem;font-weight:600}
.fg input,.fg select,.fg textarea{
  background:#fff;
  border:1.5px solid #D0DCE8;
  border-radius:var(--r-sm);
  color:var(--text);
  padding:13px 16px;
  font-family:var(--font);
  font-size:.95rem;
  outline:none;
  transition:var(--tr);
}
.fg input::placeholder,.fg textarea::placeholder{color:var(--grey)}
.fg select option{background:#fff;color:var(--text)}
.fg input:focus,.fg select:focus,.fg textarea:focus{border-color:var(--blue);background:var(--blue-lt)}
.fg textarea{resize:vertical;min-height:120px}
.form-msg{font-size:.88rem;color:#0D9488;min-height:1.4em;text-align:center;font-weight:500}

.cinfos{display:flex;flex-direction:column;gap:16px}
.bureau{
  background:var(--grey-bg);
  border:1px solid #E8EEF4;
  border-radius:var(--r);
  padding:22px;
  display:flex;
  gap:16px;
  align-items:flex-start;
  transition:var(--tr);
}
.bureau:hover{background:var(--blue-lt);border-color:rgba(52,177,228,.3)}
.bureau-flag{font-size:2rem;flex-shrink:0}
.bureau h4{color:var(--navy);font-weight:700;margin-bottom:3px;font-size:.95rem}
.bureau p{color:var(--text-m);font-size:.85rem;margin-bottom:7px}
.bureau a{color:var(--blue2);font-size:.83rem;word-break:break-all;font-weight:500}
.bureau a:hover{text-decoration:underline}
.mti-badge{
  background:var(--blue-lt);
  border:1px solid rgba(52,177,228,.3);
  border-radius:var(--r);
  padding:16px 20px;
}
.mti-badge strong{display:block;color:var(--navy);margin-bottom:3px;font-size:.92rem}
.mti-badge span{color:var(--text-m);font-size:.83rem}
.btn-dl{
  display:flex;
  align-items:center;
  justify-content:center;
  gap:10px;
  padding:14px;
  border-radius:var(--r-sm);
  border:1.5px solid #D0DCE8;
  color:var(--text-m);
  font-size:.9rem;
  font-weight:500;
  transition:var(--tr);
  text-align:center;
}
.btn-dl:hover{border-color:var(--blue);color:var(--blue);background:var(--blue-lt)}

/* ═══════ FOOTER ═══════ */
.footer{background:var(--navy);padding:40px 0}
.footer-inner{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:24px}
.footer-logo{display:flex;flex-direction:column;gap:8px}
.footer-logo p{color:rgba(255,255,255,.3);font-size:.82rem}
.footer-nav{display:flex;gap:20px;flex-wrap:wrap}
.footer-nav a{color:rgba(255,255,255,.4);font-size:.88rem;transition:var(--tr)}
.footer-nav a:hover{color:var(--blue)}
.footer-copy{color:rgba(255,255,255,.2);font-size:.8rem}

/* ═══════ RESPONSIVE ═══════ */
@media(max-width:1024px){
  .apropos-grid{grid-template-columns:1fr;gap:48px}
  .photo-mosaic{max-width:600px}
  .metiers-b2{grid-template-columns:repeat(2,1fr)}
  .dom-cards{grid-template-columns:repeat(4,1fr)}
  .contact-grid{grid-template-columns:1fr}
  .clients-grid{grid-template-columns:repeat(4,1fr)}
  .projets-grid{grid-template-columns:repeat(2,1fr)}
  .timeline{margin-left:0;padding-left:100px}
}

@media(max-width:768px){
  .section{padding:64px 0}
  .nav-links{position:fixed;top:72px;left:0;right:0;background:rgba(10,37,64,.98);backdrop-filter:blur(12px);flex-direction:column;padding:20px;gap:4px;transform:translateY(-110%);transition:var(--tr);border-bottom:1px solid rgba(255,255,255,.1)}
  .nav-links.open{transform:translateY(0)}
  .nav-links a{padding:12px 16px;border-radius:var(--r-sm)}
  .burger{display:flex}
  .stats-row{grid-template-columns:repeat(2,1fr)}
  .stat{border-right:none;border-bottom:1px solid rgba(255,255,255,.12)}
  .stat:nth-child(odd){border-right:1px solid rgba(255,255,255,.12)}
  .valeurs-grid{grid-template-columns:1fr}
  .metiers-b2{grid-template-columns:1fr}
  .dom-cards{grid-template-columns:repeat(2,1fr)}
  .projets-grid{grid-template-columns:1fr}
  .projets-filters{gap:6px}
  .fbtn{padding:7px 14px;font-size:.82rem}
  .clients-grid{grid-template-columns:repeat(3,1fr)}
  .hero-title{font-size:clamp(2.5rem,10vw,4rem)}
  .hero-btns{flex-direction:column}
  .footer-inner{flex-direction:column;text-align:center}
  .footer-nav{justify-content:center}
  .form-row{grid-template-columns:1fr}
  .cform{padding:24px}
  .timeline{padding-left:80px;margin-left:0}
  .domaines-strip{padding:24px}
}

@media(max-width:480px){
  .clients-grid{grid-template-columns:repeat(2,1fr)}
  .metiers-b2{grid-template-columns:1fr}
  .dom-cards{grid-template-columns:repeat(2,1fr)}
  .mb-num{font-size:3rem;top:16px;right:16px}
}