/* ======================================================
   ADH 74 - Spécialiste Hayon - Feuille de style principale
   ====================================================== */

:root{
  --navy:#181212;
  --navy-light:#3d1414;
  --navy-dark:#0a0707;
  --orange:#c81e1e;
  --orange-light:#ff4d4d;
  --gray-50:#f6f8fa;
  --gray-100:#eef1f5;
  --gray-300:#d6dce3;
  --gray-500:#78899b;
  --gray-700:#3a4a5c;
  --white:#ffffff;
  --shadow-sm:0 2px 8px rgba(0,0,0,.12);
  --shadow-md:0 10px 30px rgba(0,0,0,.18);
  --shadow-lg:0 20px 50px rgba(0,0,0,.28);
  --radius:14px;
  --transition:.35s cubic-bezier(.4,0,.2,1);
  --font-head:"Poppins",system-ui,sans-serif;
  --font-body:"Inter",system-ui,sans-serif;
}

*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font-body);
  color:var(--navy);
  background:var(--white);
  line-height:1.65;
  overflow-x:hidden;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
ul{margin:0;padding:0;}
h1,h2,h3,h4{font-family:var(--font-head);line-height:1.2;margin:0 0 .5em;font-weight:700;}
p{margin:0 0 1em;}
.container{width:100%;max-width:1180px;margin:0 auto;padding:0 24px;}

/* ---------- Top bar ---------- */
.topbar{
  background:var(--navy-dark);
  color:var(--gray-300);
  font-size:.85rem;
}
.topbar .container{
  display:flex;justify-content:space-between;align-items:center;
  padding-top:8px;padding-bottom:8px;
}
.topbar a{color:var(--orange-light);font-weight:600;}
.topbar .badge{
  display:inline-flex;align-items:center;gap:6px;
}
.topbar .badge .dot{
  width:8px;height:8px;border-radius:50%;background:#38c172;
  box-shadow:0 0 0 0 rgba(56,193,114,.6);
  animation:pulse 2s infinite;
}
@keyframes pulse{
  0%{box-shadow:0 0 0 0 rgba(56,193,114,.55);}
  70%{box-shadow:0 0 0 8px rgba(56,193,114,0);}
  100%{box-shadow:0 0 0 0 rgba(56,193,114,0);}
}

/* ---------- Header ---------- */
header.site-header{
  position:sticky;top:0;z-index:1000;
  background:rgba(255,255,255,.92);
  backdrop-filter:blur(8px);
  border-bottom:1px solid var(--gray-100);
  transition:box-shadow var(--transition), padding var(--transition);
}
@media (max-width:1080px){
  header.site-header{background:var(--white);backdrop-filter:none;z-index:1400;}
}
header.site-header.scrolled{box-shadow:var(--shadow-sm);}
.header-inner{
  display:flex;align-items:center;justify-content:space-between;
  padding:14px 24px;transition:padding var(--transition);
}
.logo{display:flex;align-items:center;gap:10px;font-family:var(--font-head);font-weight:700;font-size:1.3rem;color:var(--navy);}
.logo img{height:44px;width:auto;border-radius:6px;}
nav.main-nav ul{display:flex;gap:2px;list-style:none;align-items:center;}
nav.main-nav a{
  padding:10px 11px;border-radius:8px;font-weight:600;font-size:.88rem;color:var(--navy);
  position:relative;transition:color var(--transition),background var(--transition);white-space:nowrap;
}
nav.main-nav a:hover{background:var(--gray-100);color:var(--orange);}
nav.main-nav a.active{color:var(--orange);}
nav.main-nav a.active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:5px;height:2px;background:var(--orange);border-radius:2px;
}
.header-actions{display:flex;align-items:center;gap:14px;}
.header-phone{display:flex;align-items:center;gap:8px;font-weight:700;color:var(--navy);white-space:nowrap;}
.header-phone svg{width:18px;height:18px;color:var(--orange);}
.btn{
  display:inline-flex;align-items:center;gap:8px;justify-content:center;
  padding:12px 22px;border-radius:999px;font-weight:700;font-size:.95rem;
  cursor:pointer;border:2px solid transparent;transition:all var(--transition);
  white-space:nowrap;
}
.btn-primary{background:var(--orange);color:var(--white);box-shadow:0 8px 20px rgba(200,30,30,.35);}
.btn-primary:hover{background:var(--orange-light);transform:translateY(-2px);box-shadow:0 12px 26px rgba(200,30,30,.45);}
.btn-outline{border-color:var(--navy);color:var(--navy);background:transparent;}
.btn-outline:hover{background:var(--navy);color:var(--white);transform:translateY(-2px);}
.btn-outline-light{border-color:rgba(255,255,255,.6);color:var(--white);background:transparent;}
.btn-outline-light:hover{background:rgba(255,255,255,.15);border-color:var(--white);}

.burger{display:none;flex-direction:column;gap:5px;cursor:pointer;background:none;border:none;padding:6px;}
.burger span{width:26px;height:3px;background:var(--navy);border-radius:2px;transition:var(--transition);}

/* ---------- Hero ---------- */
.hero{
  position:relative;color:var(--white);
  background:linear-gradient(135deg,var(--navy-dark) 0%,var(--navy) 55%,var(--navy-light) 100%);
  overflow:hidden;
}
.hero::before{
  content:"";position:absolute;inset:0;
  background-image:radial-gradient(circle at 85% 20%, rgba(200,30,30,.25), transparent 45%),
                    radial-gradient(circle at 10% 90%, rgba(200,30,30,.15), transparent 40%);
}
.hero .container{position:relative;z-index:2;}
.hero-home{padding:110px 24px 90px;}
.hero-page{padding:70px 24px 60px;}
.hero-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:48px;align-items:center;}
.hero-eyebrow{
  display:inline-flex;align-items:center;gap:8px;background:rgba(255,255,255,.1);
  border:1px solid rgba(255,255,255,.25);padding:8px 16px;border-radius:999px;
  font-size:.85rem;font-weight:600;letter-spacing:.03em;margin-bottom:18px;
}
.hero h1{font-size:clamp(2.1rem,4vw,3.2rem);margin-bottom:.4em;}
.brand-letter{
  color:var(--orange-light);
  font-size:1.15em;
  font-weight:800;
  text-shadow:0 0 22px rgba(255,77,77,.6);
}
.hero-page h1{font-size:clamp(1.9rem,3.4vw,2.6rem);}
.hero p.lead{font-size:1.15rem;color:var(--gray-300);max-width:560px;}
.hero-ctas{display:flex;gap:14px;margin-top:28px;flex-wrap:wrap;}
.hero-media{position:relative;border-radius:20px;overflow:hidden;box-shadow:var(--shadow-lg);}
.hero-media img{width:100%;height:100%;object-fit:cover;aspect-ratio:4/3;}
.hero-media::after{
  content:"";position:absolute;inset:0;border:3px solid rgba(200,30,30,.5);border-radius:20px;pointer-events:none;
}
.hero-media.darken::before{
  content:"";position:absolute;inset:0;background:rgba(8,5,5,.38);pointer-events:none;
}
.breadcrumb{font-size:.9rem;color:var(--gray-300);margin-bottom:14px;}
.breadcrumb a{color:var(--orange-light);font-weight:600;}

/* ---------- Stats ---------- */
.stats{
  background:var(--white);
  margin-top:-46px;position:relative;z-index:3;
}
.stats .container{
  display:grid;grid-template-columns:repeat(4,1fr);gap:0;
  background:var(--white);border-radius:18px;box-shadow:var(--shadow-md);
  padding:30px 10px;
}
.stat{text-align:center;padding:10px 8px;border-right:1px solid var(--gray-100);}
.stat:last-child{border-right:none;}
.stat .num{font-family:var(--font-head);font-size:2.1rem;font-weight:800;color:var(--orange);display:block;}
.stat .label{font-size:.85rem;color:var(--gray-500);font-weight:600;}

/* ---------- Sections ---------- */
section{padding:56px 0;}
.section-tight{padding:38px 0;}
.section-alt{background:var(--gray-50);}
.section-head{max-width:680px;margin:0 auto 36px;text-align:center;}
.section-head.left{margin:0 0 40px;text-align:left;}
.eyebrow{
  display:inline-block;color:var(--orange);font-weight:700;letter-spacing:.06em;
  text-transform:uppercase;font-size:.8rem;margin-bottom:10px;
}
.section-head h2{font-size:clamp(1.7rem,3vw,2.3rem);}
.section-head p{color:var(--gray-500);font-size:1.05rem;}

/* ---------- Reveal animation ---------- */
.reveal{opacity:0;transform:translateY(28px);transition:opacity .7s ease,transform .7s ease;}
.reveal.in-view{opacity:1;transform:translateY(0);}
.reveal-delay-1{transition-delay:.1s;}
.reveal-delay-2{transition-delay:.2s;}
.reveal-delay-3{transition-delay:.3s;}

/* ---------- Service cards ---------- */
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:28px;}
.card{
  background:var(--white);border-radius:var(--radius);overflow:hidden;
  box-shadow:var(--shadow-sm);transition:transform var(--transition),box-shadow var(--transition);
  display:flex;flex-direction:column;border:1px solid var(--gray-100);
}
.card:hover{transform:translateY(-8px);box-shadow:var(--shadow-md);}
.card-img{aspect-ratio:4/3;overflow:hidden;}
.card-img img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease;}
.card:hover .card-img img{transform:scale(1.06);}
.card-body{padding:26px;display:flex;flex-direction:column;gap:10px;flex:1;}
.card-body h3{font-size:1.2rem;}
.card-body p{color:var(--gray-500);font-size:.96rem;margin-bottom:6px;}
.card-link{
  margin-top:auto;font-weight:700;color:var(--orange);display:inline-flex;align-items:center;gap:6px;
  transition:gap var(--transition);
}
.card-link svg{width:16px;height:16px;transition:transform var(--transition);}
.card:hover .card-link svg{transform:translateX(4px);}

/* ---------- Feature/why-us list ---------- */
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;}
.feature{
  background:var(--white);border:1px solid var(--gray-100);border-radius:var(--radius);
  padding:28px 22px;text-align:left;transition:transform var(--transition),box-shadow var(--transition),border-color var(--transition);
}
.feature:hover{transform:translateY(-6px);box-shadow:var(--shadow-md);border-color:transparent;}
.feature .icon{
  width:50px;height:50px;border-radius:12px;background:rgba(200,30,30,.12);color:var(--orange);
  display:flex;align-items:center;justify-content:center;margin-bottom:16px;
}
.feature .icon svg{width:26px;height:26px;}
.feature h4{font-size:1.05rem;margin-bottom:6px;}
.feature p{color:var(--gray-500);font-size:.92rem;margin:0;}

/* ---------- Alternating content blocks ---------- */
.split{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;margin-bottom:44px;}
.split.reverse .split-media{order:2;}
.split.reverse .split-text{order:1;}
.split-media{border-radius:20px;overflow:hidden;box-shadow:var(--shadow-md);position:relative;}
.split-media img{width:100%;height:100%;object-fit:cover;aspect-ratio:4/3;transition:transform .6s ease;}
.split-media:hover img{transform:scale(1.04);}

.realisation-block{max-width:980px;margin:0 auto;}
.realisation-images{display:grid;grid-template-columns:1fr 1fr;gap:22px;}
.realisation-img{border-radius:20px;overflow:hidden;box-shadow:var(--shadow-md);aspect-ratio:4/3;position:relative;}
.realisation-img img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease;}
.realisation-img:hover img{transform:scale(1.06);}
.realisation-caption{
  text-align:center;margin-top:22px;font-family:'Poppins',sans-serif;font-weight:700;
  font-size:1.1rem;letter-spacing:.3px;color:var(--orange-light);
  text-shadow:0 0 20px rgba(255,77,77,.35);
}
@media (max-width:700px){.realisation-images{grid-template-columns:1fr;}}
.split-text h2,.split-text h3{font-size:clamp(1.4rem,2.4vw,1.9rem);}
.split-text ul{margin-top:16px;}
.split-text ul li{
  display:flex;gap:10px;margin-bottom:12px;color:var(--gray-700);font-size:.98rem;align-items:flex-start;
}
.split-text ul li svg{flex:none;width:20px;height:20px;color:var(--orange);margin-top:2px;}

/* ---------- Checklist ---------- */
.check-list{list-style:none;display:grid;gap:14px;}
.check-list li{display:flex;gap:12px;align-items:flex-start;font-weight:600;color:var(--navy);}
.check-list li svg{flex:none;width:22px;height:22px;color:#2ea043;margin-top:1px;}

/* ---------- FAQ accordion ---------- */
.faq{max-width:800px;margin:0 auto;}
.faq-item{border-bottom:1px solid var(--gray-300);}
.faq-q{
  display:flex;justify-content:space-between;align-items:center;gap:16px;
  padding:22px 4px;cursor:pointer;font-weight:700;font-size:1.05rem;color:var(--navy);
  transition:color var(--transition);
}
.faq-q:hover{color:var(--orange);}
.faq-q .plus{
  flex:none;width:28px;height:28px;border-radius:50%;background:var(--gray-100);
  display:flex;align-items:center;justify-content:center;position:relative;transition:transform var(--transition),background var(--transition);
}
.faq-q .plus::before,.faq-q .plus::after{
  content:"";position:absolute;background:var(--navy);transition:transform var(--transition),background var(--transition);
}
.faq-q .plus::before{width:12px;height:2px;}
.faq-q .plus::after{width:2px;height:12px;}
.faq-item.open .faq-q .plus{background:var(--orange);transform:rotate(180deg);}
.faq-item.open .faq-q .plus::before,.faq-item.open .faq-q .plus::after{background:var(--white);}
.faq-item.open .faq-q .plus::after{transform:scaleY(0);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .4s ease;}
.faq-a p{padding:0 4px 22px;color:var(--gray-500);}

/* ---------- Regulation accordion (VGP) ---------- */
.reg-box{background:var(--gray-50);border:1px solid var(--gray-100);border-radius:var(--radius);padding:6px 26px;}
.reg-toggle{
  display:flex;align-items:center;justify-content:space-between;padding:20px 0;cursor:pointer;font-weight:700;
}
.reg-content{max-height:0;overflow:hidden;transition:max-height .5s ease;}
.reg-content h4{margin-top:20px;color:var(--orange);}
.reg-content ul{margin:10px 0 18px 18px;}
.reg-content li{margin-bottom:6px;color:var(--gray-700);}
.reg-toggle .plus{position:relative;transition:transform var(--transition),background var(--transition);}
.reg-toggle .plus::before,.reg-toggle .plus::after{
  content:"";position:absolute;top:50%;left:50%;background:var(--navy);transition:transform var(--transition),background var(--transition);
}
.reg-toggle .plus::before{width:12px;height:2px;transform:translate(-50%,-50%);}
.reg-toggle .plus::after{width:2px;height:12px;transform:translate(-50%,-50%);}
.reg-toggle.open .plus{background:var(--orange);transform:rotate(180deg);}
.reg-toggle.open .plus::before,.reg-toggle.open .plus::after{background:var(--white);}
.reg-toggle.open .plus::after{transform:translate(-50%,-50%) scaleY(0);}

/* ---------- CTA banner ---------- */
.cta-banner{
  background:linear-gradient(120deg,var(--navy) 0%,var(--navy-light) 100%);
  color:var(--white);border-radius:24px;padding:60px 50px;
  display:flex;justify-content:space-between;align-items:center;gap:30px;flex-wrap:wrap;
  position:relative;overflow:hidden;
}
.cta-banner::before{
  content:"";position:absolute;inset:0;
  background-image:radial-gradient(circle at 90% 10%, rgba(200,30,30,.3), transparent 45%);
}
.cta-banner .content{position:relative;z-index:2;max-width:560px;}
.cta-banner h2{margin-bottom:8px;font-size:clamp(1.5rem,2.6vw,2rem);}
.cta-banner p{color:var(--gray-300);margin:0;}
.cta-banner .actions{position:relative;z-index:2;display:flex;gap:14px;flex-wrap:wrap;}

/* ---------- Contact ---------- */
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:50px;align-items:start;}
.form-card{background:var(--white);border-radius:var(--radius);box-shadow:var(--shadow-md);padding:38px;border:1px solid var(--gray-100);}
.form-group{margin-bottom:20px;}
.form-group label{display:block;font-weight:700;font-size:.9rem;margin-bottom:8px;color:var(--navy);}
.form-group input,.form-group textarea{
  width:100%;padding:13px 16px;border:1.5px solid var(--gray-300);border-radius:10px;
  font-family:var(--font-body);font-size:.98rem;transition:border-color var(--transition),box-shadow var(--transition);
  background:var(--gray-50);
}
.form-group input:focus,.form-group textarea:focus{
  outline:none;border-color:var(--orange);box-shadow:0 0 0 3px rgba(200,30,30,.15);background:var(--white);
}
.hp-field{position:absolute;left:-9999px;opacity:0;}
.info-card{
  background:var(--navy);color:var(--white);border-radius:var(--radius);padding:34px;margin-bottom:20px;
}
.info-card h3{color:var(--white);}
.info-row{display:flex;gap:14px;align-items:flex-start;margin-bottom:18px;}
.info-row svg{flex:none;width:22px;height:22px;color:var(--orange-light);margin-top:2px;}
.info-row a,.info-row span{color:var(--gray-300);}
.map-wrap{border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow-sm);border:1px solid var(--gray-100);}
.map-wrap iframe{width:100%;height:260px;border:0;display:block;}
.map-wrap img{width:100%;height:auto;display:block;}

/* ---------- Footer ---------- */
footer.site-footer{background:var(--navy-dark);color:var(--gray-300);padding:60px 0 24px;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px;margin-bottom:40px;}
.footer-grid h4{color:var(--white);font-size:1rem;margin-bottom:16px;}
.footer-logo{display:flex;align-items:center;gap:10px;color:var(--white);font-family:var(--font-head);font-weight:700;font-size:1.2rem;margin-bottom:14px;}
.footer-logo img{height:38px;border-radius:6px;}
.footer-grid p{color:var(--gray-500);font-size:.92rem;}
.footer-grid ul{list-style:none;display:flex;flex-direction:column;gap:10px;}
.footer-grid ul a{color:var(--gray-300);font-size:.94rem;transition:color var(--transition);}
.footer-grid ul a:hover{color:var(--orange-light);}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.08);padding-top:20px;
  display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px;font-size:.85rem;color:var(--gray-500);
}
.footer-bottom a{color:var(--gray-500);transition:color var(--transition);}
.footer-bottom a:hover{color:var(--orange-light);}

/* ---------- Floating call button (mobile) ---------- */
.floating-call{
  position:fixed;bottom:22px;right:22px;z-index:1200;
  width:60px;height:60px;border-radius:50%;background:var(--orange);color:var(--white);
  display:flex;align-items:center;justify-content:center;box-shadow:0 10px 30px rgba(200,30,30,.5);
  animation:floatPulse 2.4s infinite;
}
.floating-call svg{width:26px;height:26px;}
@keyframes floatPulse{
  0%{box-shadow:0 0 0 0 rgba(200,30,30,.55);}
  70%{box-shadow:0 0 0 16px rgba(200,30,30,0);}
  100%{box-shadow:0 0 0 0 rgba(200,30,30,0);}
}

/* ---------- Responsive ---------- */
@media (max-width:980px){
  .hero-grid{grid-template-columns:1fr;}
  .hero-media{order:-1;}
  .grid-3{grid-template-columns:1fr 1fr;}
  .grid-4{grid-template-columns:1fr 1fr;}
  .split{grid-template-columns:1fr;gap:26px;}
  .split.reverse .split-media,.split.reverse .split-text{order:0;}
  .contact-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;}
  .stats .container{grid-template-columns:repeat(2,1fr);gap:20px;}
  .stat{border-right:none;border-bottom:1px solid var(--gray-100);padding-bottom:16px;}
}
@media (max-width:1080px){
  nav.main-nav{
    position:fixed;top:0;right:0;bottom:0;width:78%;max-width:320px;background:var(--white);
    transform:translateX(100%);transition:transform var(--transition);
    box-shadow:var(--shadow-lg);padding:100px 24px 24px;z-index:1100;
  }
  nav.main-nav.open{transform:translateX(0);}
  nav.main-nav ul{flex-direction:column;align-items:stretch;gap:4px;}
  nav.main-nav a{padding:14px 12px;font-size:1.05rem;white-space:normal;}
  .burger{display:flex;}
  .header-phone{display:none;}
}
@media (max-width:760px){
  .grid-3{grid-template-columns:1fr;}
  .grid-4{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;}
  .cta-banner{flex-direction:column;text-align:center;padding:40px 26px;}
  .cta-banner .actions{justify-content:center;}
  section{padding:42px 0;}
  .topbar .container{font-size:.75rem;}
}
@media (max-width:520px){
  .container{padding:0 16px;}
  .header-inner{padding:12px 16px;}
  .logo img{height:36px;}
  .header-actions{gap:8px;}
  .header-actions .btn-primary{display:none;}
  .topbar .container{flex-direction:column;gap:4px;text-align:center;padding-top:8px;padding-bottom:8px;}
  .topbar-phone-wrap{display:block;margin-top:2px;}
  .hero-home{padding:80px 16px 60px;}
  .hero-page{padding:50px 16px 40px;}
  .hero-ctas{flex-direction:column;align-items:stretch;}
  .hero-ctas .btn{width:100%;}
  .stats .container{grid-template-columns:1fr 1fr;padding:20px 8px;}
  .cta-banner .actions{flex-direction:column;width:100%;}
  .cta-banner .actions .btn{width:100%;}
  .form-card{padding:24px 20px;}
  .info-card{padding:24px 20px;}
}
.nav-overlay{
  position:fixed;inset:0;background:rgba(10,7,7,.6);opacity:0;pointer-events:none;
  transition:opacity var(--transition);z-index:1050;
}
.nav-overlay.show{opacity:1;pointer-events:auto;}