:root {
    --navy: #1B3A6B;
    --navy-dark: #0F2347;
    --navy-light: #2E5099;
    --green: #3B7A2F;
    --green-dark: #2A5A20;
    --green-light: #4E9E40;
    --green-pale: #EAF4E6;
    --white: #FFFFFF;
    --off-white: #F6F8F5;
    --text-muted: #5A6B7A;
    --border: rgba(27,58,107,0.12);
}


.exp-desc-content {
    display: flex;
    gap: 25px;
    justify-content: space-between;
    margin-top: 15px;
}

.exp-desc-content .titre {
    font-weight: 600;
}


.exp-desc-content .list {
    margin-left: 15px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body { font-family: 'Barlow', sans-serif; background: var(--white); color: var(--navy-dark); }

/* ─── NAV ─── */
.nav {
    display: flex; align-items: center; justify-content: space-between;
    padding: 14px 48px;
    background: var(--white);
    border-bottom: 1.5px solid var(--border);
    position: sticky; top: 0; z-index: 100;
}
.nav-logo { 
    display: flex; align-items: center; gap: 10px; text-decoration: none; 
}
.logo-circle {
    width: 42px; height: 42px; border-radius: 50%;
    border: 2.5px solid var(--green);
    display: flex; align-items: center; justify-content: center; flex-shrink: 0;
}
.logo-text-wrap { line-height: 1; }
.logo-tbd { font-family: 'Barlow', sans-serif; font-weight: 700; font-size: 22px; color: var(--navy); letter-spacing: 1px; }
.logo-tbd span { color: var(--green); }
.logo-mg { font-size: 10px; color: var(--green); letter-spacing: 3px; font-weight: 500; text-transform: uppercase; margin-top: 2px; }
.nav-links { display: flex; gap: 32px; align-items: center; }
.nav-links a { font-size: 14px; font-weight: 500; color: var(--text-muted); text-decoration: none; letter-spacing: 0.3px; transition: color 0.2s; }
.nav-links a:hover { color: var(--navy); }
.nav-cta {
    background: var(--navy); color: var(--white);
    border: none; border-radius: 4px; padding: 10px 22px;
    font-size: 13px; font-weight: 600; cursor: pointer; transition: background 0.2s;
}
.nav-cta:hover { background: var(--navy-light); }

.nav-right { display: flex; align-items: center; gap: 12px; }
.lang-toggle {
    display: flex; align-items: center;
    background: var(--off-white);
    border: 1.5px solid var(--border);
    border-radius: 20px; padding: 3px; gap: 2px;
}
.lang-btn {
    font-size: 12px; font-weight: 700; letter-spacing: 0.8px;
    padding: 5px 11px; border-radius: 16px; border: none;
    background: transparent; color: var(--text-muted);
    cursor: pointer; transition: color 0.2s, background 0.2s;
}
.lang-btn.active { background: var(--navy); color: var(--white); }
.lang-btn:not(.active):hover { color: var(--navy); }

/* ─── HERO SLIDER ─── */
.hero {
    position: relative;
    height: 100vh;
    min-height: 600px;
    max-height: 860px;
    overflow: hidden;
}

/* SLIDES */
.slides { position: absolute; inset: 0; }

.slide {
    position: absolute; inset: 0;
    opacity: 0;
    transition: opacity 1s ease;
    display: flex; align-items: center;
}
.slide.active { opacity: 1; }

/* Fond image — remplacez les URLs par vos vraies photos */
.slide-bg {
    position: absolute; inset: 0;
    background-size: cover;
    background-position: center;
    transform: scale(1.06);
    transition: transform 7s ease;
}
.slide.active .slide-bg { transform: scale(1); }

/* Overlay dégradé sur l'image */
.slide-overlay {
    position: absolute; inset: 0;
    background: linear-gradient(
        105deg,
        rgba(10, 23, 50, 0.82) 0%,
        rgba(10, 23, 50, 0.55) 55%,
        rgba(10, 23, 50, 0.2) 100%
    );
}

/* Bande verte décorative gauche */
.slide-accent {
    position: absolute; left: 0; top: 0; bottom: 0;
    width: 5px;
    background: var(--green);
}

/* Contenu slide */
.slide-content {
    position: relative; z-index: 2;
    padding: 0 80px;
    max-width: 900px;
}

.slide-badge {
    display: inline-flex; align-items: center; gap: 8px;
    background: rgba(59,122,47,0.25);
    border: 1px solid rgba(78,158,64,0.4);
    border-radius: 20px; padding: 6px 16px;
    font-size: 11px; font-weight: 600; color: rgba(255,255,255,0.9);
    letter-spacing: 1.5px; text-transform: uppercase; margin-bottom: 22px;
    backdrop-filter: blur(4px);
}
.slide-badge-dot { width: 6px; height: 6px; border-radius: 50%; background: var(--green-light); flex-shrink: 0; }

.slide-title {
    font-family: 'Playfair Display', serif;
    font-size: 25px; font-weight: 700;
    color: var(--white); line-height: 1.12;
    margin-bottom: 20px;
    text-shadow: 0 2px 20px rgba(0,0,0,0.3);
}
.slide-title span { color: var(--green-light); }

.slide-subtitle {
    font-size: 17px; color: rgba(255,255,255,0.75);
    line-height: 1.75; max-width: 480px; font-weight: 400;
    margin-bottom: 36px;
}

.slide-btns { display: flex; gap: 14px; flex-wrap: wrap; }

.btn-hero-primary {
    background: var(--green); color: var(--white);
    border: none; border-radius: 4px; padding: 14px 30px;
    font-size: 15px; font-weight: 600; cursor: pointer;
    transition: background 0.2s, transform 0.15s;
}
.btn-hero-primary:hover { background: var(--green-dark); transform: translateY(-1px); }

.btn-hero-outline {
    background: transparent; color: var(--white);
    border: 1.5px solid rgba(255,255,255,0.5); border-radius: 4px;
    padding: 13px 30px; font-size: 15px; font-weight: 500; cursor: pointer;
    transition: border-color 0.2s, background 0.2s;
    backdrop-filter: blur(4px);
}
.btn-hero-outline:hover { border-color: white; background: rgba(255,255,255,0.1); }

/* ─── CONTRÔLES SLIDER ─── */
.slider-arrows {
    position: absolute; bottom: 48px; right: 80px;
    display: flex; gap: 10px; z-index: 10;
}
.arrow-btn {
    width: 48px; height: 48px; border-radius: 50%;
    background: rgba(255,255,255,0.12);
    border: 1.5px solid rgba(255,255,255,0.3);
    color: white; cursor: pointer; font-size: 18px;
    display: flex; align-items: center; justify-content: center;
    transition: background 0.2s, border-color 0.2s;
    backdrop-filter: blur(6px);
}
.arrow-btn:hover { background: var(--green); border-color: var(--green); }

/* Bullets */
.slider-dots {
    position: absolute; bottom: 60px; left: 80px;
    display: flex; gap: 10px; z-index: 10; align-items: center;
}
.dot {
    width: 8px; height: 8px; border-radius: 50%;
    background: rgba(255,255,255,0.35); cursor: pointer;
    transition: background 0.3s, width 0.3s;
    border: none;
}
.dot.active { background: var(--green-light); width: 28px; border-radius: 4px; }

/* Numéro slide */
.slide-counter {
position: absolute; top: 40px; right: 80px;
z-index: 10; display: flex; align-items: baseline; gap: 4px;
}
.counter-current { font-size: 42px; font-weight: 700; color: rgba(255,255,255,0.9); line-height: 1; }
.counter-sep { font-size: 18px; color: rgba(255,255,255,0.3); margin: 0 4px; }
.counter-total { font-size: 18px; color: rgba(255,255,255,0.4); }

/* Barre de progression */
.progress-bar {
    position: absolute; bottom: 0; left: 0;
    height: 3px; background: var(--green);
    width: 0%; transition: width 0.1s linear;
    z-index: 10;
}

/* Stats flottantes bas-gauche */
.hero-stats {
    position: absolute; bottom: 48px; left: 80px;
    display: flex; gap: 0; z-index: 10;
    margin-top: 20px;
}
.hero-stat-item {
    padding: 14px 24px;
    background: rgba(255,255,255,0.08);
    border: 1px solid rgba(255,255,255,0.12);
    backdrop-filter: blur(8px); 
}
.hero-stat-item:first-child { border-radius: 8px 0 0 8px; }
.hero-stat-item:last-child { border-radius: 0 8px 8px 0; }
.hero-stat-num { font-size: 24px; font-weight: 700; color: var(--white); line-height: 1; }
.hero-stat-num.g { color: var(--green-light); }
.hero-stat-label { font-size: 11px; color: rgba(255,255,255,0.5); margin-top: 4px; letter-spacing: 0.5px; }

/* ─── SECTIONS ─── */
.section-tag { font-size: 11px; font-weight: 600; color: var(--green); letter-spacing: 2px; text-transform: uppercase; margin-bottom: 8px; }
.section-title { font-family: 'Playfair Display', serif; font-size: 30px; font-weight: 700; color: var(--navy-dark); }
.section-line { width: 40px; height: 3px; background: var(--green); border-radius: 2px; margin: 12px 0 0; }
.section-header { text-align: center; margin-bottom: 44px; }
.section-header .section-line { margin: 12px auto 0; }

/* ── EXPERTISE ── */
.expertise{padding:80px 48px;background:#fff}
.exp-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:0}
.exp-card{position:relative;padding:32px 28px 28px;border:1px solid var(--border);overflow:hidden;cursor:default;transition:background .25s}
.exp-card:hover{background:var(--off-white)}
.exp-card:hover .exp-num{opacity:1;transform:translateX(0)}
.exp-num{position:absolute;top:16px;right:20px;font-size:48px;font-weight:700;color:rgba(27,58,107,0.06);line-height:1;opacity:.5;transform:translateX(8px);transition:opacity .3s,transform .3s;user-select:none}
.exp-icon-row{display:flex;align-items:center;gap:14px;margin-bottom:18px}
.exp-icon{width:44px;height:44px;border-radius:8px;background:var(--green-pale);display:flex;align-items:center;justify-content:center;flex-shrink:0}
.exp-badge{font-size:10px;font-weight:700;letter-spacing:1.5px;text-transform:uppercase;color:var(--green);background:var(--green-pale);border:1px solid rgba(59,122,47,.2);border-radius:3px;padding:3px 8px}
.exp-title{font-size:15px;font-weight:600;color:var(--navy);margin-bottom:10px;line-height:1.3}
.exp-desc{font-size:13px;color:var(--text-muted);line-height:1.7}
.exp-tags{display:flex;flex-wrap:wrap;gap:6px;margin-top:14px}
.exp-tag{font-size:10px;font-weight:600;letter-spacing:.5px;color:var(--navy-light);background:rgba(27,58,107,.06);border-radius:3px;padding:3px 7px}
.exp-divider{position:relative}
.exp-divider::before{content:'';position:absolute;left:0;top:0;bottom:0;width:3px;background:var(--green);opacity:0;transition:opacity .25s}
.exp-card:hover .exp-divider::before,.exp-divider:hover::before{opacity:1}

/* ─── POURQUOI ─── */
.why { display: grid; grid-template-columns: 1fr 1fr; }
.why-left { padding: 80px 48px; background: var(--navy); }
.why-left .section-tag { color: rgba(78,158,64,0.9); }
.why-left .section-title { color: var(--white); }
.why-left .section-line { background: var(--green-light); }
.why-left p { font-size: 15px; color: rgba(255,255,255,0.65); line-height: 1.8; margin-top: 20px; max-width: 420px; }
.why-list { margin-top: 28px; display: flex; flex-direction: column; gap: 16px; }
.why-item { display: flex; gap: 14px; align-items: flex-start; }
.why-check {
    width: 22px; height: 22px; flex-shrink: 0; background: var(--green); border-radius: 50%;
    display: flex; align-items: center; justify-content: center; margin-top: 1px;
}
.why-item-text { font-size: 15px; color: rgba(255,255,255,0.82); line-height: 1.6; }
.why-right { background: var(--green-dark); padding: 80px 48px; display: flex; align-items: center; justify-content: center; }
.cta-box { max-width: 360px; }
.cta-box h3 { font-family: 'Playfair Display', serif; font-size: 26px; font-weight: 700; color: var(--white); margin-bottom: 14px; }
.cta-box p { font-size: 15px; color: rgba(255,255,255,0.72); line-height: 1.75; margin-bottom: 28px; }
.btn-white { background: var(--white); color: var(--green-dark); border: none; border-radius: 4px; padding: 14px 28px; font-size: 14px; font-weight: 600; cursor: pointer; display: block; width: 100%; margin-bottom: 12px; transition: opacity 0.2s; }
.btn-white:hover { opacity: 0.9; }
.btn-ghost { background: transparent; color: rgba(255,255,255,0.8); border: 1.5px solid rgba(255,255,255,0.3); border-radius: 4px; padding: 13px 28px; font-size: 14px; font-weight: 500; cursor: pointer; display: block; width: 100%; transition: border-color 0.2s, color 0.2s; }
.btn-ghost:hover { border-color: rgba(255,255,255,0.65); color: var(--white); }

/* ─── PROJET REALISE ─── */
.proj-wrap{padding:80px 48px;background:var(--off-white)}
.proj-intro{text-align:center;margin-bottom:48px}

.proj-bento{display:grid;grid-template-columns:repeat(4,1fr);grid-auto-rows:auto;gap:14px}
.pb{background:#fff;border:1.5px solid var(--border);border-radius:12px;padding:22px;overflow:hidden;transition:border-color .25s,transform .2s;position:relative}
.pb:hover{border-color:rgba(27,58,107,.22);transform:translateY(-2px)}
.pb-wide{grid-column:span 4}
.pb-dark{background:var(--navy);border-color:transparent}
.pb-green{background:var(--green-dark);border-color:transparent}
.pb-cat{font-size:10px;font-weight:700;letter-spacing:2px;text-transform:uppercase;margin-bottom:10px}
.pb-name{font-size:14px;font-weight:600;color:var(--navy);line-height:1.35;margin-bottom:6px}
.pb-desc{font-size:12px;color:var(--muted);line-height:1.6}
.pb-dark .pb-name,.pb-green .pb-name{color:#fff}
.pb-dark .pb-desc,.pb-green .pb-desc{color:rgba(255,255,255,.6)}
.pb-count{font-size:52px;font-weight:700;line-height:1;margin:8px 0 4px}
.pb-count-label{font-size:11px;font-weight:600;letter-spacing:.5px;color:var(--muted)}
.pb-dark .pb-count-label,.pb-green .pb-count-label{color:rgba(255,255,255,.5)}
.pb-icon{position:absolute;bottom:16px;right:16px;opacity:.08}
.pb-dark .pb-icon,.pb-green .pb-icon{opacity:.15}
.pb-chips{display:flex;flex-wrap:wrap;gap:5px;margin-top:12px}
.bchip{font-size:10px;font-weight:600;padding:2px 8px;border-radius:3px}
.bchip-n{background:rgba(27,58,107,.07);color:var(--navy-light)}
.bchip-g{background:var(--green-pale);color:var(--green-dark)}
.bchip-w{background:rgba(255,255,255,.15);color:rgba(255,255,255,.85)}

.proj-quote{margin-top:28px;padding:24px 32px;background:var(--navy-dark);border-radius:12px;display:flex;gap:20px;align-items:center}
.pq-line{width:3px;min-height:48px;background:var(--green-light);border-radius:2px;flex-shrink:0}
.pq-text{font-size:14.5px;color:rgba(255,255,255,.8);line-height:1.8;font-style:italic}
.pq-text strong{color:var(--green-light);font-style:normal}

@media(max-width:900px){
    .exp-wrap,.proj-wrap{padding:56px 20px}
    .exp-row{grid-template-columns:48px 1fr;gap:16px;padding:20px}
    .exp-arrow{display:none}
    .proj-bento{grid-template-columns:1fr 1fr}
    .pb-wide{grid-column:span 2}
    .pb-tall{grid-row:span 1}
}


/* ─── OUTILS UTILISE ─── */
.tools {
    padding: 80px 48px;
    background: #ffffff;
}
.tools-grid {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    align-items: center;
    gap: 20px 24px;
    margin-top: 8px;
}
.tool-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    padding: 16px 20px;
    background: var(--white);
    border: 1.5px solid var(--border);
    border-radius: 10px;
    transition: border-color 0.25s, transform 0.25s;
    min-width: 90px;
}
.tool-item:hover {
    border-color: var(--green);
    transform: translateY(-3px);
}
.tool-logo-wrap {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 35px;
}
.tool-label {
    font-size: 11px;
    font-weight: 600;
    color: var(--text-muted);
    letter-spacing: 0.5px;
    text-align: center;
}
@media (max-width: 900px) {
    .tools { padding: 56px 24px; }
    .tools-grid { gap: 12px 16px; }
    .tool-item { padding: 12px 14px; min-width: 80px; }
}

/* ─── CONTACT ─── */
.contact { padding: 80px 48px; background: var(--off-white); }
.contact-inner { display: grid; grid-template-columns: 1fr 1.2fr; gap: 60px; max-width: 960px; margin: 0 auto; }
.contact-info h2 { font-family: 'Playfair Display', serif; font-size: 28px; font-weight: 700; color: var(--navy-dark); margin-bottom: 14px; }
.contact-info p { font-size: 15px; color: var(--text-muted); line-height: 1.75; margin-bottom: 28px; }
.contact-item { display: flex; gap: 14px; align-items: flex-start; margin-bottom: 18px; }
.contact-icon { width: 42px; height: 42px; flex-shrink: 0; border-radius: 8px; background: var(--green-pale); border: 1px solid rgba(59,122,47,0.15); display: flex; align-items: center; justify-content: center; }
.contact-item-text strong { display: block; font-size: 13px; font-weight: 600; color: var(--navy); margin-bottom: 2px; }
.contact-item-text span { font-size: 14px; color: var(--text-muted); }
.contact-form { display: flex; flex-direction: column; gap: 16px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.form-group { display: flex; flex-direction: column; gap: 6px; }
.form-group label { font-size: 13px; font-weight: 500; color: var(--navy); }
.form-group input, .form-group select, .form-group textarea { padding: 11px 14px; border: 1.5px solid var(--border); border-radius: 6px; background: var(--white); font-family: 'Barlow', sans-serif; font-size: 14px; color: var(--navy-dark); outline: none; transition: border-color 0.2s; }
.form-group input:focus, .form-group select:focus, .form-group textarea:focus { border-color: var(--green); }
.form-group textarea { resize: vertical; min-height: 110px; }
.form-submit { background: var(--green); color: var(--white); border: none; border-radius: 4px; padding: 14px; font-size: 15px; font-weight: 600; cursor: pointer; transition: background 0.2s; }
.form-submit:hover { background: var(--green-dark); }

/* ─── FOOTER ─── */
footer { background: var(--navy-dark); padding: 48px 48px 24px; }
.footer-top { display: grid; grid-template-columns: 2fr 1fr 1fr 1.2fr; gap: 40px; padding-bottom: 40px; border-bottom: 1px solid rgba(255,255,255,0.1); margin-bottom: 28px; }
.footer-brand-name { font-size: 24px; font-weight: 700; color: var(--white); letter-spacing: 1px; margin-bottom: 10px; }
.footer-brand-name span { color: var(--green-light); }
.footer-tagline { font-size: 14px; color: rgba(255,255,255,0.5); line-height: 1.7; max-width: 240px; }
.footer-col h4 { font-size: 13px; font-weight: 600; color: var(--white); letter-spacing: 1px; text-transform: uppercase; margin-bottom: 16px; }
.footer-col a, .footer-col p { display: block; font-size: 13.5px; color: rgba(255,255,255,0.55); text-decoration: none; margin-bottom: 10px; transition: color 0.2s; }
.footer-col a:hover { color: rgba(255,255,255,0.9); }
.footer-bottom { display: flex; align-items: center; justify-content: center; }
.footer-copy { font-size: 12.5px; color: rgba(255,255,255,0.3); }
.footer-legal { display: flex; gap: 20px; }
.footer-legal a { font-size: 12.5px; color: rgba(255,255,255,0.3); text-decoration: none; }
.footer-legal a:hover { color: rgba(255,255,255,0.6); }

/* ─── RESPONSIVE ─── */
@media (max-width: 900px) {
    .nav { padding: 12px 24px; }/* ─── RESPONSIVE ─── */
    .nav-links { display: none; }
    .slide-content { padding: 0 32px; }
    .slide-title { font-size: 18px; }
    .slider-dots, .hero-stats { left: 32px; }
    .slider-arrows, .slide-counter { right: 32px; }
    .hero-stats { flex-wrap: wrap; gap: 8px; bottom: 80px; }
    .hero-stat-item { border-radius: 8px !important; }
    .services, .projects, .testimonials, .contact { padding: 56px 24px; }
    .service-grid, .project-grid, .testi-grid { grid-template-columns: 1fr; }
    .why { grid-template-columns: 1fr; }
    .why-left, .why-right { padding: 56px 24px; }
    .contact-inner { grid-template-columns: 1fr; gap: 36px; }
    .form-row { grid-template-columns: 1fr; }
    .footer { padding: 40px 24px 20px; }
    .footer-top { grid-template-columns: 1fr 1fr; }
    .slide-subtitle {font-size: 15px;}
}


.footer-social {
    display: flex;
    gap: 12px;
    margin-top: 16px;
}

.footer-social a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 38px;
    height: 38px;
    border-radius: 8px;
    background: rgba(255, 255, 255, 0.08);
    color: rgba(255, 255, 255, 0.7);
    transition: background 0.2s, color 0.2s;
}

.footer-social a:hover {
    background: rgba(255, 255, 255, 0.18);
    color: #ffffff;
}