:root{
  --bg:#0f1724;
  --card:#0b1220;
  --accent:#5eead4;
  --accent2:#7c3aed;
  --muted:#94a3b8;
  --glass:rgba(255,255,255,0.04);
  --glass2:rgba(255,255,255,0.06);
  --radius:16px;
  --fw-sans:"Inter",system-ui,-apple-system,"Segoe UI",Roboto,Arial;

  /* WhatsApp */
  --wa:#25D366;
  --waHover:#20b954;
}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:var(--fw-sans);
  background:linear-gradient(180deg,#071226 0%, #071a2a 100%);
  color:#e6eef6;
  line-height:1.6;
  overflow-x:hidden;
}

/* A11y focus */
a,button,input,select,textarea{outline:none}
a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{
  outline:2px solid rgba(94,234,212,.65);
  outline-offset:2px;
  border-radius:12px;
}

/* Container */
.container{
  max-width:1200px;
  margin:0 auto;
  padding:28px;
}

/* ===== Header ===== */
.site-header{
  position:sticky;
  top:0;
  z-index:1000;
  background:rgba(0,0,0,0.35);
  backdrop-filter:blur(12px);
  border-bottom:1px solid rgba(255,255,255,0.06);
}
.header-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:14px;
}

.logo img{height:40px; display:block}

.main-nav{
  display:flex;
  align-items:center;
  gap:10px;
  flex-wrap:wrap;
  justify-content:flex-end;
}
.main-nav a{
  color:var(--muted);
  text-decoration:none;
  font-weight:700;
  padding:8px 10px;
  border-radius:12px;
  transition:color .2s ease, background .2s ease, transform .2s ease;
}
.main-nav a:hover{
  color:var(--accent);
  background:rgba(255,255,255,0.06);
  transform:translateY(-1px);
}
.main-nav a.active{
  color:#fff;
  background:rgba(94,234,212,.12);
  border:1px solid rgba(94,234,212,.22);
}

/* Boutons */
.btn-primary{
  background:linear-gradient(90deg,var(--accent),var(--accent2));
  padding:12px 18px;
  border-radius:var(--radius);
  color:#fff !important;
  text-decoration:none;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:10px;
  font-weight:900;
  box-shadow:0 8px 26px rgba(0,0,0,0.28);
  transition:transform .2s ease, box-shadow .2s ease, filter .2s ease;
  min-height:44px;
}
.btn-primary:hover{
  transform:translateY(-2px);
  box-shadow:0 14px 40px rgba(0,0,0,0.35);
  filter:brightness(1.02);
}
.btn-outline{
  border:1px solid rgba(255,255,255,0.12);
  padding:10px 14px;
  border-radius:var(--radius);
  color:var(--muted);
  background:transparent;
  text-decoration:none;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:10px;
  min-height:44px;
  transition:all .2s ease;
}
.btn-outline:hover{
  color:#fff;
  border-color:rgba(94,234,212,.45);
  background:rgba(255,255,255,0.04);
}

/* ===== Hero ===== */
.hero{
  display:flex;
  gap:28px;
  align-items:center;
}
.hero-left{flex:1}
.brand{color:var(--accent);font-weight:1000}
.lead{
  color:var(--muted);
  max-width:520px;
  margin:12px 0;
  font-size:1.06rem;
}
.features{list-style:none;margin-top:18px}
.features li{
  margin:10px 0;
  display:flex;
  align-items:center;
  gap:10px;
  color:rgba(255,255,255,.82);
}
.features li::before{content:"✔";color:var(--accent)}
.hero-right{
  flex:1;
  display:flex;
  justify-content:center;
}

/* Canvas wrapper (ratio stable) */
.canvas-wrap{
  width:100%;
  max-width:560px;
  border-radius:var(--radius);
  overflow:hidden;
  background:transparent;
  box-shadow:0 12px 30px rgba(0,0,0,0.35);
  border:1px solid rgba(255,255,255,0.08);
  aspect-ratio: 16 / 10;
}
#threeCanvas{
  width:100%;
  height:100%;
  display:block;
  background:transparent;
}

/* ===== Services ===== */
.services{margin-top:60px}
.services-grid{
  display:grid;
  grid-template-columns:repeat(auto-fit, minmax(260px, 1fr));
  gap:22px;
}
.services-grid article{
  background:var(--card);
  padding:22px;
  border-radius:var(--radius);
  text-align:center;
  transition:transform .2s ease, box-shadow .2s ease;
  border:1px solid rgba(255,255,255,0.06);
}
.services-grid article:hover{
  transform:translateY(-6px) scale(1.02);
  box-shadow:0 14px 38px rgba(0,0,0,0.35);
}
.services-grid h3{margin-bottom:10px;color:var(--accent)}

/* ===== Offre spéciale ===== */
.offer-card{
  background:linear-gradient(90deg, rgba(124,58,237,0.12), rgba(6,182,212,0.08));
  border:1px solid rgba(255,255,255,0.08);
  padding:20px;
  border-radius:var(--radius);
  margin-top:30px;
  text-align:center;
  font-weight:900;
  font-size:1.05rem;
}

/* ===== Contact sections ===== */
.contact-hero{
  text-align:center;
  padding:60px 20px;
}
.contact-hero h1{
  font-size:clamp(1.8rem, 3.2vw, 2.4rem);
  margin-bottom:10px;
}
.contact-hero p{
  color:var(--muted);
  font-size:1.05rem;
}
.contact-container{
  display:grid;
  grid-template-columns:repeat(auto-fit, minmax(320px, 1fr));
  gap:24px;
  padding:40px 20px;
}
.contact-card{
  padding:28px;
  border-radius:var(--radius);
  backdrop-filter:blur(10px);
  background:var(--glass);
  border:1px solid rgba(255,255,255,0.06);
  box-shadow:0 10px 30px rgba(0,0,0,0.25);
  transition:transform .2s ease, box-shadow .2s ease;
}
.contact-card:hover{
  transform:translateY(-5px) scale(1.01);
  box-shadow:0 16px 42px rgba(0,0,0,0.35);
}
.contact-card h2{
  margin-bottom:16px;
  color:var(--accent);
}
.contact-card p, .contact-card a{
  margin:8px 0;
  color:var(--muted);
  font-size:.95rem;
  text-decoration:none;
}
.contact-card a:hover{color:#fff}
.contact-card i{margin-right:8px;color:var(--accent)}

/* Inputs */
.contact-form input,
.contact-form textarea,
.contact-card input,
.contact-card textarea,
.contact-card select{
  width:100%;
  padding:12px;
  margin-bottom:14px;
  border-radius:var(--radius);
  border:1px solid rgba(255,255,255,0.10);
  background:rgba(255,255,255,0.05);
  color:#fff;
  font-size:.95rem;
  min-height:44px;
}
.contact-card textarea{min-height:120px}
.contact-card input::placeholder,
.contact-card textarea::placeholder{color:var(--muted)}

/* WhatsApp button (forms/pages) */
.btn-wa{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:10px;
  width:100%;
  min-height:48px;
  padding:12px 16px;
  border-radius:999px;
  background:rgba(37,211,102,0.18);
  border:1px solid rgba(37,211,102,0.35);
  color:#eafff2;
  font-weight:1000;
  text-decoration:none;
  transition:transform .2s ease, box-shadow .2s ease, filter .2s ease;
}
.btn-wa:hover{
  transform:translateY(-1px);
  box-shadow:0 14px 40px rgba(0,0,0,0.35);
  filter:brightness(1.03);
}

/* ===== Footer ===== */
.site-footer{
  padding:40px 0;
  border-top:1px solid rgba(255,255,255,0.06);
  margin-top:60px;
}
.footer-grid{
  display:flex;
  gap:24px;
  justify-content:space-between;
  flex-wrap:wrap;
}
.footer-grid a{
  color:var(--muted);
  text-decoration:none;
  transition:color .2s ease;
}
.footer-grid a:hover{color:var(--accent)}
.small{color:var(--muted);font-size:14px}

/* ===== WhatsApp floating button (ONLY) ===== */
.whatsapp-float{
  position:fixed;
  bottom:22px;
  right:22px;
  width:62px;
  height:62px;
  border-radius:50%;
  background:var(--wa);
  display:flex;
  align-items:center;
  justify-content:center;
  box-shadow:0 10px 28px rgba(0,0,0,0.35);
  z-index:999;
  animation:breathe-wa 2.5s infinite;
  transition:transform .2s ease, background .2s ease, filter .2s ease;
  overflow:hidden;
}
.whatsapp-float:hover{
  transform:scale(1.06);
  background:var(--waHover);
  filter:brightness(1.03);
}
.whatsapp-icon{max-width:70%; height:auto}

@keyframes breathe-wa{
  0%   { transform:scale(1);   box-shadow:0 0 10px rgba(37,211,102,0.45) }
  50%  { transform:scale(1.08);box-shadow:0 0 26px rgba(37,211,102,0.75) }
  100% { transform:scale(1);   box-shadow:0 0 10px rgba(37,211,102,0.45) }
}

/* ===== Responsive ===== */
@media (max-width: 900px){
  .hero{flex-direction:column; text-align:center}
  .header-inner{flex-direction:column; align-items:stretch}
  .main-nav{justify-content:center}
  .lead{margin-left:auto; margin-right:auto}
  .canvas-wrap{max-width: 720px}
}
@media (max-width: 768px){
  .container{padding:22px}
  .whatsapp-float{width:52px;height:52px;bottom:18px;right:18px}
  .whatsapp-icon{max-width:65%}
}
@media (max-width: 480px){
  .container{padding:18px}
  .whatsapp-float{width:46px;height:46px;bottom:14px;right:14px}
  .whatsapp-icon{max-width:60%}
}