/* NEXORIA — Design avant-gardiste */
:root{
  --bg:#0a0a0f;
  --bg-alt:#0f0f17;
  --surface:#15151f;
  --border:rgba(255,255,255,0.08);
  --text:#f5f5f7;
  --text-dim:#a0a0b0;
  --accent:#d4af6a;
  --accent-2:#7c6ff5;
  --accent-3:#39d4c5;
  --gradient:linear-gradient(135deg,#7c6ff5 0%,#39d4c5 50%,#d4af6a 100%);
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  font-family:'Inter','Helvetica Neue',Arial,sans-serif;
  background:var(--bg);
  color:var(--text);
  line-height:1.6;
  overflow-x:hidden;
  position:relative;
}
/* Grain premium */
body::before{
  content:'';
  position:fixed;
  inset:0;
  pointer-events:none;
  z-index:1;
  opacity:0.06;
  background-image:url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='3'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}
/* Aurora background animé */
.aurora{
  position:fixed;
  inset:0;
  z-index:0;
  pointer-events:none;
  overflow:hidden;
}
.aurora::before,.aurora::after{
  content:'';
  position:absolute;
  width:60vw;
  height:60vw;
  border-radius:50%;
  filter:blur(120px);
  opacity:0.4;
  animation:auroraMove 20s ease-in-out infinite;
}
.aurora::before{
  background:radial-gradient(circle,#7c6ff5,transparent 70%);
  top:-20%;left:-10%;
}
.aurora::after{
  background:radial-gradient(circle,#39d4c5,transparent 70%);
  bottom:-20%;right:-10%;
  animation-delay:-10s;
}
.aurora-3{
  position:absolute;
  width:50vw;height:50vw;
  border-radius:50%;
  filter:blur(140px);
  opacity:0.25;
  background:radial-gradient(circle,#d4af6a,transparent 70%);
  top:30%;left:40%;
  animation:auroraMove 25s ease-in-out infinite reverse;
}
@keyframes auroraMove{
  0%,100%{transform:translate(0,0) scale(1)}
  33%{transform:translate(10vw,-5vh) scale(1.1)}
  66%{transform:translate(-8vw,8vh) scale(0.9)}
}
main,header,footer,section{position:relative;z-index:2}

a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}

.container{max-width:1280px;margin:0 auto;padding:0 32px}

/* Header */
header{
  position:fixed;top:0;left:0;right:0;
  z-index:100;
  padding:20px 0;
  transition:all 0.4s ease;
  background:transparent;
}
header.scrolled{
  background:rgba(10,10,15,0.85);
  backdrop-filter:blur(20px);
  -webkit-backdrop-filter:blur(20px);
  border-bottom:1px solid var(--border);
  padding:14px 0;
}
.nav-wrap{display:flex;justify-content:space-between;align-items:center}
.logo{
  font-family:'Playfair Display',Georgia,serif;
  font-size:26px;
  font-weight:700;
  letter-spacing:4px;
  background:var(--gradient);
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
}
.nav-links{display:flex;gap:36px;list-style:none;align-items:center}
.nav-links a{
  font-size:13px;
  letter-spacing:1.5px;
  text-transform:uppercase;
  font-weight:500;
  color:var(--text);
  position:relative;
  transition:color 0.3s;
}
.nav-links a::after{
  content:'';position:absolute;bottom:-6px;left:0;
  width:0;height:1px;background:var(--accent);
  transition:width 0.3s;
}
.nav-links a:hover{color:var(--accent)}
.nav-links a:hover::after{width:100%}
.nav-cta{
  padding:10px 22px;
  border:1px solid var(--accent);
  border-radius:30px;
  color:var(--accent)!important;
  transition:all 0.3s;
}
.nav-cta:hover{background:var(--accent);color:#000!important}
.nav-cta::after{display:none}

.burger{display:none;flex-direction:column;gap:5px;cursor:pointer;background:none;border:none;padding:8px}
.burger span{display:block;width:26px;height:2px;background:var(--text);transition:0.3s}

/* Hero */
.hero{
  min-height:100vh;
  display:flex;
  align-items:center;
  position:relative;
  overflow:hidden;
  padding:120px 0 80px;
}
.hero-slides{
  position:absolute;inset:0;z-index:0;
}
.hero-slide{
  position:absolute;inset:0;
  background-size:cover;background-position:center;
  opacity:0;
  transition:opacity 1.5s ease;
  transform:scale(1.05);
}
.hero-slide.active{opacity:0.35;transform:scale(1)}
.hero::after{
  content:'';position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(10,10,15,0.6) 0%,rgba(10,10,15,0.85) 100%);
  z-index:1;
}
.hero-content{position:relative;z-index:2;max-width:900px}
.hero-tag{
  display:inline-block;
  padding:8px 18px;
  border:1px solid var(--border);
  border-radius:30px;
  font-size:12px;
  letter-spacing:2px;
  text-transform:uppercase;
  color:var(--text-dim);
  margin-bottom:30px;
  backdrop-filter:blur(10px);
}
.hero-tag span{color:var(--accent-3)}
.hero h1{
  font-family:'Playfair Display',Georgia,serif;
  font-size:clamp(40px,6.5vw,84px);
  font-weight:600;
  line-height:1.05;
  margin-bottom:30px;
  letter-spacing:-1.5px;
}
.hero h1 .grad{
  background:var(--gradient);
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
  font-style:italic;
}
.hero p.lead{
  font-size:clamp(16px,1.6vw,20px);
  color:var(--text-dim);
  max-width:640px;
  margin-bottom:44px;
  line-height:1.7;
}
.hero-cta{display:flex;gap:18px;flex-wrap:wrap}
.btn{
  display:inline-flex;align-items:center;gap:10px;
  padding:16px 32px;
  font-size:13px;
  letter-spacing:1.5px;
  text-transform:uppercase;
  font-weight:600;
  border-radius:40px;
  border:none;
  cursor:pointer;
  transition:all 0.3s;
}
.btn-primary{
  background:var(--gradient);
  background-size:200% 200%;
  color:#fff;
  animation:gradMove 6s ease infinite;
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 12px 40px rgba(124,111,245,0.4)}
.btn-ghost{
  background:transparent;
  color:var(--text);
  border:1px solid var(--border);
}
.btn-ghost:hover{border-color:var(--accent);color:var(--accent)}
@keyframes gradMove{
  0%,100%{background-position:0% 50%}
  50%{background-position:100% 50%}
}
.hero-dots{
  position:absolute;
  bottom:40px;
  left:50%;
  transform:translateX(-50%);
  display:flex;gap:10px;
  z-index:3;
}
.hero-dot{
  width:36px;height:3px;background:rgba(255,255,255,0.2);
  border:none;cursor:pointer;transition:0.3s;
}
.hero-dot.active{background:var(--accent)}

/* Section générique */
section.block{padding:140px 0;position:relative}
.section-tag{
  display:inline-block;
  font-size:12px;letter-spacing:3px;text-transform:uppercase;
  color:var(--accent);margin-bottom:18px;
}
.section-title{
  font-family:'Playfair Display',Georgia,serif;
  font-size:clamp(32px,4vw,52px);
  font-weight:600;
  line-height:1.15;
  margin-bottom:24px;
  letter-spacing:-1px;
}
.section-title .grad{
  background:var(--gradient);
  -webkit-background-clip:text;background-clip:text;color:transparent;
  font-style:italic;
}
.section-lead{
  font-size:17px;color:var(--text-dim);max-width:680px;
  margin-bottom:60px;line-height:1.7;
}
.section-head{margin-bottom:80px;max-width:780px}
.section-head.center{margin:0 auto 80px;text-align:center}

/* Services grid */
.services-grid{
  display:grid;
  grid-template-columns:repeat(auto-fit,minmax(320px,1fr));
  gap:24px;
}
.service-card{
  background:linear-gradient(180deg,rgba(255,255,255,0.03),rgba(255,255,255,0.01));
  border:1px solid var(--border);
  border-radius:24px;
  padding:40px 36px;
  transition:all 0.4s;
  position:relative;
  overflow:hidden;
}
.service-card::before{
  content:'';
  position:absolute;
  top:-50%;left:-50%;
  width:200%;height:200%;
  background:radial-gradient(circle at center,rgba(124,111,245,0.15),transparent 50%);
  opacity:0;
  transition:opacity 0.5s;
}
.service-card:hover::before{opacity:1}
.service-card:hover{
  transform:translateY(-6px);
  border-color:rgba(212,175,106,0.3);
}
.service-card .ico{
  width:56px;height:56px;border-radius:14px;
  background:linear-gradient(135deg,rgba(124,111,245,0.2),rgba(57,212,197,0.2));
  display:flex;align-items:center;justify-content:center;
  margin-bottom:26px;
  border:1px solid var(--border);
  position:relative;z-index:2;
}
.service-card .ico svg{stroke:var(--accent);width:28px;height:28px}
.service-card h3{
  font-family:'Playfair Display',Georgia,serif;
  font-size:24px;font-weight:600;
  margin-bottom:14px;position:relative;z-index:2;
}
.service-card p{color:var(--text-dim);font-size:15px;line-height:1.7;position:relative;z-index:2}

/* Approche / split */
.split{display:grid;grid-template-columns:1fr 1fr;gap:80px;align-items:center}
.split-img{
  position:relative;
  border-radius:24px;overflow:hidden;
  aspect-ratio:4/5;
  box-shadow:0 30px 80px rgba(0,0,0,0.5);
}
.split-img img{width:100%;height:100%;object-fit:cover}
.split-img::after{
  content:'';position:absolute;inset:0;
  background:linear-gradient(180deg,transparent 50%,rgba(10,10,15,0.4) 100%);
}
.approach-list{list-style:none;display:flex;flex-direction:column;gap:24px;margin-top:40px}
.approach-list li{
  display:flex;gap:20px;align-items:flex-start;
  padding-bottom:24px;
  border-bottom:1px solid var(--border);
}
.approach-list li:last-child{border-bottom:none}
.approach-list .n{
  font-family:'Playfair Display',Georgia,serif;
  font-size:32px;font-weight:600;
  background:var(--gradient);
  -webkit-background-clip:text;background-clip:text;color:transparent;
  min-width:50px;
}
.approach-list h4{font-size:18px;margin-bottom:6px}
.approach-list p{color:var(--text-dim);font-size:14px;line-height:1.6}

/* Stats */
.stats{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:24px;
  padding:80px;
  background:linear-gradient(180deg,rgba(255,255,255,0.02),transparent);
  border:1px solid var(--border);
  border-radius:32px;
}
.stat .n{
  font-family:'Playfair Display',Georgia,serif;
  font-size:clamp(40px,5vw,64px);
  font-weight:600;
  background:var(--gradient);
  -webkit-background-clip:text;background-clip:text;color:transparent;
  line-height:1;margin-bottom:10px;
}
.stat .l{color:var(--text-dim);font-size:13px;letter-spacing:2px;text-transform:uppercase}

/* CTA */
.cta-section{
  text-align:center;
  padding:120px 60px;
  background:linear-gradient(135deg,rgba(124,111,245,0.08),rgba(57,212,197,0.08));
  border:1px solid var(--border);
  border-radius:32px;
  position:relative;overflow:hidden;
}
.cta-section::before{
  content:'';position:absolute;inset:0;
  background:radial-gradient(circle at 30% 50%,rgba(212,175,106,0.15),transparent 60%);
}
.cta-section > *{position:relative;z-index:2}

/* Footer */
footer{
  padding:80px 0 32px;
  border-top:1px solid var(--border);
  background:var(--bg-alt);
  margin-top:80px;
}
.footer-grid{
  display:grid;
  grid-template-columns:2fr 1fr 1fr 1fr;
  gap:60px;
  margin-bottom:60px;
}
.footer-col h5{
  font-size:12px;letter-spacing:2px;text-transform:uppercase;
  color:var(--accent);margin-bottom:20px;
}
.footer-col ul{list-style:none;display:flex;flex-direction:column;gap:12px}
.footer-col a{color:var(--text-dim);font-size:14px;transition:0.3s}
.footer-col a:hover{color:var(--accent)}
.footer-about p{color:var(--text-dim);font-size:14px;margin:18px 0;line-height:1.7;max-width:380px}
.footer-bottom{
  display:flex;justify-content:space-between;align-items:center;
  padding-top:32px;border-top:1px solid var(--border);
  color:var(--text-dim);font-size:13px;flex-wrap:wrap;gap:16px;
}

/* Forms */
.contact-wrap{display:grid;grid-template-columns:1fr 1fr;gap:60px}
.contact-info{display:flex;flex-direction:column;gap:32px}
.info-card{
  display:flex;gap:20px;
  padding:28px;
  background:linear-gradient(180deg,rgba(255,255,255,0.03),rgba(255,255,255,0.01));
  border:1px solid var(--border);
  border-radius:20px;
}
.info-card .ico{
  min-width:48px;height:48px;border-radius:12px;
  background:linear-gradient(135deg,rgba(124,111,245,0.15),rgba(57,212,197,0.15));
  display:flex;align-items:center;justify-content:center;
  border:1px solid var(--border);
}
.info-card .ico svg{stroke:var(--accent);width:22px;height:22px}
.info-card h4{font-size:14px;letter-spacing:1px;text-transform:uppercase;color:var(--text-dim);margin-bottom:6px}
.info-card p{font-size:16px}
.form-card{
  background:linear-gradient(180deg,rgba(255,255,255,0.03),rgba(255,255,255,0.01));
  border:1px solid var(--border);
  border-radius:24px;
  padding:44px;
}
.form-group{margin-bottom:22px}
.form-group label{
  display:block;font-size:12px;letter-spacing:1.5px;
  text-transform:uppercase;color:var(--text-dim);margin-bottom:10px;
}
.form-group input,.form-group textarea,.form-group select{
  width:100%;
  padding:14px 18px;
  background:rgba(255,255,255,0.03);
  border:1px solid var(--border);
  border-radius:12px;
  color:var(--text);
  font-family:inherit;
  font-size:15px;
  transition:0.3s;
}
.form-group input:focus,.form-group textarea:focus,.form-group select:focus{
  outline:none;border-color:var(--accent);background:rgba(255,255,255,0.05);
}
.form-group textarea{resize:vertical;min-height:140px}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:18px}

.map-wrap{
  margin-top:60px;border-radius:24px;overflow:hidden;
  border:1px solid var(--border);height:420px;
}
.map-wrap iframe{width:100%;height:100%;border:0;filter:invert(0.9) hue-rotate(180deg)}

/* Page hero (autres pages) */
.page-hero{
  padding:200px 0 100px;
  position:relative;
  text-align:center;
}
.page-hero h1{
  font-family:'Playfair Display',Georgia,serif;
  font-size:clamp(36px,5vw,64px);
  margin-bottom:20px;letter-spacing:-1px;
}
.page-hero .lead{color:var(--text-dim);font-size:18px;max-width:680px;margin:0 auto}

/* Reveal animations */
.reveal{opacity:0;transform:translateY(40px);transition:all 1s cubic-bezier(0.16,1,0.3,1)}
.reveal.visible{opacity:1;transform:translateY(0)}
@keyframes revealFallback{to{opacity:1;transform:translateY(0)}}
.reveal{animation:revealFallback 1.2s ease 0.4s forwards}

/* Cookies banner */
.cookies{
  position:fixed;bottom:20px;left:20px;right:20px;
  max-width:480px;margin:0 auto;
  background:rgba(15,15,23,0.95);
  backdrop-filter:blur(20px);
  border:1px solid var(--border);
  border-radius:20px;
  padding:24px;
  z-index:1000;
  display:none;
  box-shadow:0 20px 60px rgba(0,0,0,0.5);
}
.cookies.show{display:block;animation:slideUp 0.5s ease}
@keyframes slideUp{from{opacity:0;transform:translateY(30px)}to{opacity:1;transform:translateY(0)}}
.cookies p{font-size:14px;color:var(--text-dim);margin-bottom:16px;line-height:1.6}
.cookies .actions{display:flex;gap:10px}
.cookies button{
  flex:1;padding:10px;border-radius:8px;font-size:12px;
  letter-spacing:1px;text-transform:uppercase;cursor:pointer;border:none;font-weight:600;
}
.cookies .accept{background:var(--accent);color:#000}
.cookies .refuse{background:transparent;color:var(--text);border:1px solid var(--border)}

/* Legal pages */
.legal-content{max-width:880px;margin:0 auto;padding:60px 0 120px}
.legal-content h2{
  font-family:'Playfair Display',Georgia,serif;
  font-size:28px;margin:40px 0 16px;color:var(--accent);
}
.legal-content h3{font-size:18px;margin:24px 0 10px}
.legal-content p,.legal-content li{color:var(--text-dim);margin-bottom:12px;line-height:1.7}
.legal-content ul{padding-left:24px;margin-bottom:20px}

/* Toast */
.toast{
  position:fixed;top:30px;right:30px;
  padding:16px 24px;border-radius:12px;
  background:rgba(57,212,197,0.95);
  color:#000;font-weight:600;
  z-index:9999;
  opacity:0;transform:translateY(-20px);
  transition:all 0.4s;
}
.toast.show{opacity:1;transform:translateY(0)}
.toast.error{background:rgba(255,80,80,0.95);color:#fff}

/* Responsive */
@media(max-width:1024px){
  .footer-grid{grid-template-columns:1fr 1fr;gap:40px}
  .stats{grid-template-columns:repeat(2,1fr);padding:60px 40px}
  .split{grid-template-columns:1fr;gap:50px}
  .contact-wrap{grid-template-columns:1fr;gap:40px}
}
@media(max-width:768px){
  .container{padding:0 20px}
  .nav-links{
    position:fixed;top:70px;left:0;right:0;
    background:rgba(10,10,15,0.98);
    backdrop-filter:blur(20px);
    flex-direction:column;
    padding:30px;gap:24px;
    transform:translateY(-150%);
    transition:transform 0.4s;
    border-bottom:1px solid var(--border);
  }
  .nav-links.open{transform:translateY(0)}
  .burger{display:flex}
  section.block{padding:80px 0}
  .stats{grid-template-columns:1fr;padding:40px 24px}
  .footer-grid{grid-template-columns:1fr;gap:30px}
  .footer-bottom{flex-direction:column;text-align:center}
  .cta-section{padding:70px 30px}
  .form-row{grid-template-columns:1fr}
  .form-card{padding:30px 24px}
  .page-hero{padding:140px 0 60px}
  .hero{padding:100px 0 60px}
  .section-head{margin-bottom:50px}
}

/* Admin */
.admin-body{background:var(--bg);min-height:100vh;display:flex;align-items:center;justify-content:center;padding:40px 20px}
.admin-box{max-width:480px;width:100%;background:var(--surface);border:1px solid var(--border);border-radius:24px;padding:50px}
.admin-box h1{font-family:'Playfair Display',serif;font-size:32px;margin-bottom:8px;text-align:center}
.admin-box p.sub{text-align:center;color:var(--text-dim);margin-bottom:36px;font-size:14px}
.admin-box .btn{width:100%;justify-content:center;margin-top:8px}
.admin-box .hidden{display:none}
.admin-actions{display:flex;flex-direction:column;gap:14px;margin-top:30px}