/* ============================================
   EG Maintenance — Design System
   Élégant & Professionnel (Light + Dark)
   free.nf compatible — HTML/CSS/JS pur
   ============================================ */

@import url("https://fonts.googleapis.com/css2?family=Cormorant+Garamond:ital,wght@0,400;0,500;0,600;0,700;1,500;1,600&family=Manrope:wght@300;400;500;600;700;800&display=swap");

:root {
  --brand-900: #0a1f33;
  --brand-800: #0f2c47;
  --brand-700: #143a5e;
  --accent:    #c9a24b;
  --accent-soft: #e3c279;
  --accent-dark: #a67f2d;

  --bg:         #f7f5f1;
  --bg-elev:    #ffffff;
  --bg-muted:   #efece6;
  --surface:    #ffffff;
  --text:       #0e1a2b;
  --text-soft:  #4b5a6e;
  --text-mute:  #7c8a9c;
  --border:     #e6e0d4;
  --border-strong: #d6cebd;
  --shadow-sm:  0 1px 2px rgba(10,31,51,.06),0 1px 1px rgba(10,31,51,.04);
  --shadow-md:  0 8px 24px rgba(10,31,51,.10);
  --shadow-lg:  0 24px 60px rgba(10,31,51,.20);

  --font-serif: "Cormorant Garamond","Playfair Display",Georgia,serif;
  --font-sans:  "Manrope","Inter",-apple-system,system-ui,sans-serif;
  --container: 1240px;
  --radius: 12px;
  --radius-lg: 22px;
  --trans: 260ms cubic-bezier(.2,.7,.2,1);
}

[data-theme="dark"] {
  --bg:         #0a141f;
  --bg-elev:    #0f1e2e;
  --bg-muted:   #122638;
  --surface:    #122638;
  --text:       #eef2f7;
  --text-soft:  #b8c4d3;
  --text-mute:  #8696ad;
  --border:     #1c3148;
  --border-strong: #284665;
  --shadow-sm:  0 1px 2px rgba(0,0,0,.4);
  --shadow-md:  0 10px 30px rgba(0,0,0,.45);
  --shadow-lg:  0 30px 70px rgba(0,0,0,.6);
}

*{box-sizing:border-box;margin:0;padding:0}
html,body{height:100%}
body{
  font-family:var(--font-sans);font-size:16px;line-height:1.65;
  color:var(--text);background:var(--bg);
  -webkit-font-smoothing:antialiased;
  transition:background var(--trans),color var(--trans);
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font-family:inherit;cursor:pointer}
ul{list-style:none}

h1,h2,h3,h4{
  font-family:var(--font-serif);font-weight:600;
  line-height:1.15;letter-spacing:-.01em;color:var(--text);margin-bottom:.6em;
}
h1{font-size:clamp(2.4rem,5vw,4.2rem)}
h2{font-size:clamp(1.9rem,3.6vw,3rem)}
h3{font-size:clamp(1.3rem,2vw,1.6rem)}
h4{font-size:1rem;font-family:var(--font-sans);font-weight:700;letter-spacing:.04em;text-transform:uppercase;color:var(--text-soft)}
p{margin-bottom:1em;color:var(--text-soft)}
.muted{color:var(--text-mute)}

.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}

/* === HEADER === */
.site-header{
  position:sticky;top:0;z-index:50;
  background:rgba(247,245,241,.85);
  backdrop-filter:saturate(180%) blur(14px);
  -webkit-backdrop-filter:saturate(180%) blur(14px);
  border-bottom:1px solid transparent;
  transition:background var(--trans),border-color var(--trans),box-shadow var(--trans);
}
[data-theme="dark"] .site-header{background:rgba(10,20,31,.85)}
.site-header.scrolled{border-bottom-color:var(--border);box-shadow:var(--shadow-sm)}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;padding:14px 24px}
.brand{display:flex;align-items:center;gap:12px}
.brand-logo{width:64px;height:64px;border-radius:10px;object-fit:cover;background:#fff;box-shadow:var(--shadow-sm)}
.brand-text{display:flex;flex-direction:column;line-height:1}
.brand-name{font-family:var(--font-serif);font-size:1.35rem;font-weight:700;color:var(--text)}
.brand-tag{font-size:.72rem;letter-spacing:.14em;text-transform:uppercase;color:var(--accent-dark);margin-top:4px}
[data-theme="dark"] .brand-tag{color:var(--accent-soft)}

.main-nav{display:flex;align-items:center;gap:6px}
.main-nav a{
  position:relative;padding:10px 14px;font-weight:500;font-size:.95rem;
  color:var(--text-soft);transition:color var(--trans);
}
.main-nav a:hover{color:var(--text)}
.main-nav a.active{color:var(--text)}
.main-nav a.active:not(.btn-nav-cta)::after{
  content:"";position:absolute;left:14px;right:14px;bottom:4px;
  height:2px;background:var(--accent);border-radius:2px;
}
.btn-nav-cta{
  margin-left:8px;padding:11px 22px;border-radius:999px;
  background:var(--brand-900);color:#fff!important;font-weight:600;
  transition:background var(--trans),transform var(--trans),box-shadow var(--trans);
}
[data-theme="dark"] .btn-nav-cta{background:var(--accent);color:var(--brand-900)!important}
.btn-nav-cta:hover{background:var(--accent);color:var(--brand-900)!important;transform:translateY(-2px);box-shadow:var(--shadow-md)}
[data-theme="dark"] .btn-nav-cta:hover{background:var(--accent-soft)}

.header-actions{display:flex;align-items:center;gap:8px}
.theme-toggle{
  width:40px;height:40px;border-radius:50%;background:var(--bg-muted);
  border:1px solid var(--border);color:var(--text);display:inline-flex;
  align-items:center;justify-content:center;
  transition:transform var(--trans),background var(--trans);
}
.theme-toggle:hover{transform:rotate(20deg);background:var(--surface)}

.menu-toggle{
  display:none;width:40px;height:40px;background:transparent;
  border:1px solid var(--border);border-radius:8px;
  flex-direction:column;gap:4px;align-items:center;justify-content:center;
}
.menu-toggle span{display:block;width:18px;height:2px;background:var(--text);transition:transform var(--trans),opacity var(--trans)}
.menu-toggle.open span:nth-child(1){transform:translateY(6px) rotate(45deg)}
.menu-toggle.open span:nth-child(2){opacity:0}
.menu-toggle.open span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}

/* === BUTTONS === */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 22px;border-radius:999px;font-weight:600;font-size:.95rem;
  border:1px solid transparent;white-space:nowrap;
  transition:transform var(--trans),background var(--trans),color var(--trans),border-color var(--trans),box-shadow var(--trans);
}
.btn-primary{background:var(--brand-900);color:#fff}
[data-theme="dark"] .btn-primary{background:var(--accent);color:var(--brand-900)}
.btn-primary:hover{background:var(--accent);color:var(--brand-900);transform:translateY(-2px);box-shadow:var(--shadow-md)}
[data-theme="dark"] .btn-primary:hover{background:var(--accent-soft)}
.btn-ghost{background:transparent;color:var(--text);border-color:var(--border-strong)}
.btn-ghost:hover{background:var(--bg-muted);border-color:var(--text-soft)}
.btn-lg{padding:16px 30px;font-size:1rem}
.btn-hero-ghost{background:transparent;color:#fff;border:1px solid rgba(255,255,255,.4)}
.btn-hero-ghost:hover{background:rgba(255,255,255,.1);border-color:#fff;transform:translateY(-2px)}

/* === HERO === */
.hero{
  position:relative;min-height:86vh;overflow:hidden;
  display:flex;align-items:center;background:var(--brand-900);color:#fff;
}
.hero-slides{position:absolute;inset:0}
.hero-slide{position:absolute;inset:0;opacity:0;transition:opacity 1.2s ease}
.hero-slide.active{opacity:1}
.hero-slide img{width:100%;height:100%;object-fit:cover;animation:kenburns 12s ease-in-out infinite alternate}
@keyframes kenburns{
  from{transform:scale(1.05) translate(0,0)}
  to{transform:scale(1.15) translate(-1%,-1%)}
}
.hero::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(10,31,51,.35) 0%,rgba(10,31,51,.72) 100%);
  z-index:1;
}
.hero-content{position:relative;z-index:2;padding:140px 0 100px;max-width:760px}
.hero .kicker{
  display:inline-flex;align-items:center;gap:10px;font-size:.8rem;
  letter-spacing:.22em;text-transform:uppercase;color:var(--accent-soft);margin-bottom:22px;
}
.hero .kicker::before{content:"";width:40px;height:1px;background:var(--accent);display:inline-block}
.hero h1{color:#fff;margin-bottom:24px}
.hero h1 em{color:var(--accent-soft);font-style:italic}
.hero .lead{color:rgba(255,255,255,.86);font-size:clamp(1.05rem,1.4vw,1.25rem);max-width:620px;margin-bottom:36px}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap}
.hero-dots{
  position:absolute;z-index:3;bottom:36px;left:50%;transform:translateX(-50%);
  display:flex;gap:10px;
}
.hero-dots button{
  width:36px;height:3px;background:rgba(255,255,255,.3);border:0;border-radius:2px;
  transition:background var(--trans),width var(--trans);
}
.hero-dots button.active{background:var(--accent);width:56px}

/* === SECTIONS === */
.section{padding:clamp(70px,9vw,130px) 0}
.section-alt{background:var(--bg-muted)}
.section-dark{background:var(--brand-900);color:#fff}
.section-dark h2,.section-dark h3,.section-dark h4{color:#fff}
.section-dark p{color:rgba(255,255,255,.78)}
.section-head{max-width:720px;margin-bottom:60px}
.section-head.center{margin:0 auto 60px;text-align:center}
.kicker{
  display:inline-block;font-size:.78rem;letter-spacing:.22em;text-transform:uppercase;
  color:var(--accent-dark);font-weight:700;margin-bottom:14px;
}
[data-theme="dark"] .kicker{color:var(--accent-soft)}
.section-dark .kicker{color:var(--accent-soft)}

/* === TWO-COL === */
.two-col{display:grid;grid-template-columns:1fr 1fr;gap:clamp(40px,6vw,90px);align-items:center}
.two-col.reverse{direction:rtl}
.two-col.reverse > *{direction:ltr}
.two-col-media{
  position:relative;border-radius:var(--radius-lg);overflow:hidden;
  box-shadow:var(--shadow-lg);aspect-ratio:4/5;
}
.two-col-media img{width:100%;height:100%;object-fit:cover;transition:transform 1.2s ease}
.two-col-media:hover img{transform:scale(1.05)}
.two-col-media::after{
  content:"";position:absolute;inset:auto -20px -20px auto;
  width:120px;height:120px;background:var(--accent);border-radius:50%;
  opacity:.15;filter:blur(20px);
}

/* === SERVICE CARDS === */
.services-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:24px}
.service-card{
  background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);
  padding:32px;position:relative;overflow:hidden;
  transition:transform var(--trans),box-shadow var(--trans),border-color var(--trans);
}
.service-card::before{
  content:"";position:absolute;top:0;left:0;width:100%;height:3px;
  background:linear-gradient(90deg,var(--accent),var(--accent-dark));
  transform:scaleX(0);transform-origin:left;transition:transform 500ms ease;
}
.service-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-md);border-color:var(--border-strong)}
.service-card:hover::before{transform:scaleX(1)}
.card-icon{
  width:54px;height:54px;border-radius:12px;background:var(--bg-muted);
  color:var(--accent-dark);display:flex;align-items:center;justify-content:center;
  margin-bottom:22px;font-family:var(--font-serif);font-size:1.4rem;font-weight:600;
}
[data-theme="dark"] .card-icon{color:var(--accent-soft)}
.service-card h3{margin-bottom:10px}

/* === STATS === */
.stats{
  position:relative;color:#fff;padding:clamp(60px,7vw,100px) 0;overflow:hidden;
  background:center/cover no-repeat var(--brand-900);
}
.stats::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(rgba(10,31,51,.86),rgba(10,31,51,.94));
  z-index:0;
}
.stats > .container{position:relative;z-index:1}
.stats-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:24px;text-align:center}
.stat-num{
  font-family:var(--font-serif);font-size:clamp(2.6rem,5vw,4rem);
  font-weight:600;color:var(--accent-soft);line-height:1;
}
.stat-label{margin-top:10px;font-size:.78rem;text-transform:uppercase;letter-spacing:.18em;color:rgba(255,255,255,.8)}

/* === PAGE HEADER === */
.page-header{
  position:relative;padding:clamp(60px,7vw,100px) 0 clamp(36px,4.5vw,55px);
  color:#fff;text-align:center;overflow:hidden;
  background:center/cover no-repeat var(--brand-900);
}
.page-header::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(rgba(10,31,51,.68),rgba(10,31,51,.87));z-index:0;
}
.page-header > .container{position:relative;z-index:1}
.page-header h1{color:#fff;margin-bottom:14px}
.crumbs{display:inline-flex;gap:10px;align-items:center;color:rgba(255,255,255,.75);font-size:.9rem}
.crumbs a{color:var(--accent-soft)}
.crumbs a:hover{text-decoration:underline}

/* === GALLERY === */
.gallery{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:18px}
.gallery-item{
  position:relative;overflow:hidden;border-radius:var(--radius);aspect-ratio:4/3;
  background:var(--bg-muted);cursor:zoom-in;
}
.gallery-item img{width:100%;height:100%;object-fit:cover;transition:transform 800ms ease}
.gallery-item:hover img{transform:scale(1.08)}
.gi-overlay{
  position:absolute;inset:0;
  background:linear-gradient(to top,rgba(10,31,51,.85),transparent 60%);
  display:flex;align-items:flex-end;padding:22px;
  opacity:0;transition:opacity var(--trans);
}
.gallery-item:hover .gi-overlay{opacity:1}
.gi-overlay h4{color:#fff;font-family:var(--font-serif);text-transform:none;font-weight:600;font-size:1.15rem;letter-spacing:0}
.gallery-filters{display:flex;gap:8px;flex-wrap:wrap;justify-content:center;margin-bottom:40px}
.gallery-filters button{
  background:transparent;border:1px solid var(--border);color:var(--text-soft);
  padding:10px 20px;border-radius:999px;font-size:.9rem;font-weight:500;
  transition:all var(--trans);
}
.gallery-filters button:hover{color:var(--text);border-color:var(--text-soft)}
.gallery-filters button.active{background:var(--brand-900);color:#fff;border-color:var(--brand-900)}
[data-theme="dark"] .gallery-filters button.active{background:var(--accent);color:var(--brand-900);border-color:var(--accent)}

/* === LIGHTBOX === */
.lightbox{
  position:fixed;inset:0;background:rgba(5,12,22,.92);z-index:200;
  display:flex;align-items:center;justify-content:center;padding:20px;
  animation:fadein 200ms ease;
}
.lightbox img{max-width:92vw;max-height:88vh;border-radius:8px;box-shadow:var(--shadow-lg)}
.lightbox-close{
  position:absolute;top:20px;right:20px;width:44px;height:44px;border-radius:50%;
  background:rgba(255,255,255,.1);color:#fff;border:1px solid rgba(255,255,255,.3);
  display:flex;align-items:center;justify-content:center;font-size:1.4rem;
}
.lightbox-close:hover{background:rgba(255,255,255,.2)}
@keyframes fadein{from{opacity:0}to{opacity:1}}

/* === CONTACT === */
.contact-grid{display:grid;grid-template-columns:1.2fr 1fr;gap:60px;align-items:start}
.contact-info-list li{display:flex;gap:18px;padding:22px 0;border-bottom:1px solid var(--border)}
.contact-info-list li:last-child{border-bottom:0}
.ci-icon{
  flex-shrink:0;width:48px;height:48px;border-radius:12px;
  background:var(--bg-muted);color:var(--accent-dark);
  display:flex;align-items:center;justify-content:center;
}
[data-theme="dark"] .ci-icon{color:var(--accent-soft)}
.ci-label{font-family:var(--font-serif);font-size:1.1rem;font-weight:600;color:var(--text);margin-bottom:4px}
.contact-form-box{
  background:var(--surface);border:1px solid var(--border);
  border-radius:var(--radius-lg);padding:40px;box-shadow:var(--shadow-md);
}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin-bottom:18px}
.form-group{display:flex;flex-direction:column;gap:8px;margin-bottom:18px}
.form-group label{font-size:.85rem;font-weight:600;color:var(--text-soft)}
.form-group input,.form-group select,.form-group textarea{
  font-family:inherit;font-size:.98rem;padding:14px 16px;
  border:1px solid var(--border);border-radius:10px;
  background:var(--bg);color:var(--text);
  transition:border-color var(--trans),box-shadow var(--trans);
}
.form-group input:focus,.form-group select:focus,.form-group textarea:focus{
  outline:none;border-color:var(--accent);box-shadow:0 0 0 4px rgba(201,162,75,.15);
}
.form-group textarea{min-height:140px;resize:vertical}
.form-feedback{
  padding:14px 18px;border-radius:10px;margin-bottom:18px;
  background:rgba(46,160,67,.1);color:#1f7a37;border:1px solid rgba(46,160,67,.25);
  display:none;
}
.form-feedback.show{display:block}

/* === QUOTE STRIP === */
.quote-strip{background:var(--accent);color:var(--brand-900);padding:30px 0}
.quote-strip .container{display:flex;justify-content:space-between;align-items:center;gap:20px;flex-wrap:wrap}
.quote-strip h3{color:var(--brand-900);margin:0;font-size:1.5rem}
.quote-strip .btn-qs{background:var(--brand-900);color:#fff;padding:14px 28px;border-radius:999px;font-weight:600;transition:background var(--trans),transform var(--trans)}
.quote-strip .btn-qs:hover{background:#000;transform:translateY(-2px)}

/* === FOOTER === */
.site-footer{background:var(--brand-900);color:rgba(255,255,255,.75)}
.footer-cta{background:var(--brand-800);border-bottom:1px solid rgba(255,255,255,.06);padding:60px 0}
.footer-cta-grid{display:flex;justify-content:space-between;align-items:center;gap:30px;flex-wrap:wrap}
.footer-cta .kicker{color:var(--accent-soft);margin-bottom:8px}
.footer-cta h2{color:#fff;margin:0;max-width:640px}
.footer-cta .btn-fc{background:var(--accent);color:var(--brand-900);padding:16px 30px;border-radius:999px;font-weight:700;transition:background var(--trans),transform var(--trans)}
.footer-cta .btn-fc:hover{background:var(--accent-soft);transform:translateY(-2px)}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1.2fr;gap:60px;padding:70px 24px;max-width:var(--container);margin:0 auto}
.brand--footer .brand-name{color:#fff}
.site-footer h4{color:var(--accent-soft);margin-bottom:18px}
.site-footer p{color:rgba(255,255,255,.7)}
.footer-links li,.footer-contact li{padding:6px 0}
.footer-links a{color:rgba(255,255,255,.75);transition:color var(--trans)}
.footer-links a:hover{color:var(--accent-soft)}
.footer-contact strong{display:block;font-size:.78rem;text-transform:uppercase;letter-spacing:.12em;color:#fff;margin-bottom:2px}
.footer-contact a{color:rgba(255,255,255,.85)}
.footer-contact a:hover{color:var(--accent-soft)}
.footer-bottom{border-top:1px solid rgba(255,255,255,.08);padding:22px 0;font-size:.85rem}
.footer-bottom-inner{display:flex;justify-content:space-between;align-items:center;gap:20px;flex-wrap:wrap;color:rgba(255,255,255,.55)}

/* === MISSION CHECKLIST === */
.mission-list{padding-left:0;color:var(--text-soft);line-height:2}
.mission-list li{position:relative;padding-left:26px}
.mission-list li::before{content:"✓";position:absolute;left:0;color:var(--accent-dark);font-weight:700}
[data-theme="dark"] .mission-list li::before{color:var(--accent-soft)}

/* === REVEAL === */
[data-reveal]{opacity:0;transform:translateY(24px);transition:opacity 700ms ease,transform 700ms cubic-bezier(.2,.7,.2,1)}
[data-reveal].revealed{opacity:1;transform:none}
[data-reveal="2"]{transition-delay:100ms}
[data-reveal="3"]{transition-delay:200ms}
[data-reveal="4"]{transition-delay:300ms}

/* === SELECTION === */
::selection{background:var(--accent);color:var(--brand-900)}

/* === RESPONSIVE === */
@media(max-width:980px){
  .two-col{grid-template-columns:1fr}
  .two-col.reverse{direction:ltr}
  .two-col-media{aspect-ratio:16/11}
  .contact-grid{grid-template-columns:1fr;gap:40px}
  .footer-grid{grid-template-columns:1fr;gap:40px;padding:50px 24px}
}
@media(max-width:860px){
  .menu-toggle{display:flex}
  .btn-nav-cta{display:none}
  .brand-tag{display:none}
  .main-nav{
    position:fixed;top:78px;left:0;right:0;background:var(--bg-elev);
    border-top:1px solid var(--border);border-bottom:1px solid var(--border);
    flex-direction:column;align-items:stretch;padding:16px;gap:4px;
    transform:translateY(-12px);opacity:0;pointer-events:none;
    transition:transform var(--trans),opacity var(--trans);box-shadow:var(--shadow-md);
  }
  .main-nav.open{transform:translateY(0);opacity:1;pointer-events:auto}
  .main-nav a{padding:14px 16px;border-radius:8px}
  .main-nav a:hover{background:var(--bg-muted)}
  .main-nav a.active::after{display:none}
  .main-nav a.active{background:var(--bg-muted);color:var(--accent-dark)}
}
@media(max-width:600px){
  .hero{min-height:78vh}
  .hero-content{padding:100px 0 80px}
  .form-row{grid-template-columns:1fr}
  .contact-form-box{padding:28px}
  .brand-logo{width:40px;height:40px}
  .brand-name{font-size:1.1rem}
  .footer-cta-grid{flex-direction:column;align-items:flex-start}
  .quote-strip .container{flex-direction:column;text-align:center}
}

@media(min-width:980px){
  ::-webkit-scrollbar{width:10px}
  ::-webkit-scrollbar-track{background:var(--bg)}
  ::-webkit-scrollbar-thumb{background:var(--border-strong);border-radius:10px}
  ::-webkit-scrollbar-thumb:hover{background:var(--text-mute)}
}