:root{
  --black:#000000;
  --panel:#121316;
  --panel-2:#1b1d22;
  --chrome-100:#f3f4f6;
  --chrome-300:#c2c6cc;
  --chrome-500:#7d8087;
  --ice:#5fb6d6;
  --ice-dim:rgba(95,182,214,0.35);
  --line:rgba(255,255,255,0.09);
  --radius:14px;
}

*{margin:0;padding:0;box-sizing:border-box;}

html{scroll-behavior:smooth;}

html,body{
  width:100%;
}
/* overflow-x:hidden sur html/body casse position:sticky — on le met sur body uniquement
   via un wrapper, ou on le supprime. Le scroll horizontal est déjà bloqué par
   les min-width:0 et flex/grid des enfants. */

body{
  background:var(--black);
  color:var(--chrome-300);
  font-family:'Inter',sans-serif;
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
}

h1,h2,h3{
  font-family:'Oswald',sans-serif;
  color:var(--chrome-100);
  text-transform:uppercase;
  letter-spacing:0.02em;
  font-weight:600;
}

a{color:inherit;text-decoration:none;}

img{display:block;max-width:100%;height:auto;}

.wrap{
  max-width:1080px;
  margin:0 auto;
  padding:0 24px;
}

:focus-visible{
  outline:2px solid var(--ice);
  outline-offset:3px;
}

/* ---------- NAV ---------- */
header.nav{
  position:sticky;
  top:0;
  z-index:50;
  background:rgba(0,0,0,0.82);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
}
.nav-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  height:64px;
}
.nav-logo{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.nav-logo img{height:30px;width:auto;filter:brightness(1.05);transition:transform .25s;}
.nav-logo:hover img{transform:scale(1.05);}

.nav-links{display:flex;align-items:center;gap:26px;margin:0 auto;}
.nav-links a{
  font-family:'Oswald',sans-serif;
  font-size:0.82rem;
  letter-spacing:0.06em;
  text-transform:uppercase;
  color:var(--chrome-300);
  position:relative;
  padding:4px 0;
  transition:color .2s;
}
.nav-links a::after{
  content:"";
  position:absolute;
  left:0;bottom:-2px;
  width:100%;height:1.5px;
  background:var(--ice);
  transform:scaleX(0);
  transform-origin:left;
  transition:transform .28s ease;
}
.nav-links a:hover{color:var(--chrome-100);}
.nav-links a:hover::after{transform:scaleX(1);}

/* Section active : fond pill + couleur ice */
.nav-links a.active{
  color:var(--ice);
  background:rgba(95,182,214,0.12);
  border-radius:6px;
  padding:4px 10px;
  transition:color .2s, background .2s;
}
.nav-links a.active::after{transform:scaleX(0);}


.nav-actions{display:flex;align-items:center;gap:14px;flex-shrink:0;}

.nav-burger{
  display:none;
  flex-direction:column;
  justify-content:center;
  gap:5px;
  width:34px;height:34px;
  background:none;
  border:1px solid var(--line);
  border-radius:8px;
  cursor:pointer;
  padding:0 8px;
}
.nav-burger span{
  display:block;
  height:2px;width:100%;
  background:var(--chrome-100);
  border-radius:2px;
  transition:transform .3s ease, opacity .25s ease;
}
.nav-burger.open span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.nav-burger.open span:nth-child(2){opacity:0;}
.nav-burger.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}
.nav-tel{
  font-family:'Oswald',sans-serif;
  font-size:0.85rem;
  letter-spacing:0.04em;
  color:var(--chrome-100);
  display:flex;
  align-items:center;
  gap:7px;
  white-space:nowrap;
}
.nav-tel svg{width:15px;height:15px;stroke:var(--ice);flex-shrink:0;}
.nav-tiktok{
  width:34px;height:34px;
  display:flex;align-items:center;justify-content:center;
  border:1px solid var(--line);
  border-radius:50%;
  transition:border-color .2s,transform .2s;
  flex-shrink:0;
}
.nav-tiktok:hover{border-color:var(--ice);transform:translateY(-1px);}
.nav-tiktok svg{width:15px;height:15px;fill:var(--chrome-100);}

/* ---------- HERO ---------- */
.hero{
  position:relative;
  padding:96px 0 80px;
  overflow:hidden;
  text-align:center;
  background:
    radial-gradient(ellipse 70% 50% at 50% 0%, rgba(255,255,255,0.05), transparent 60%);
}
.hero-logo{
  position:relative;
  width:min(380px, 78%);
  margin:0 auto 36px;
  isolation:isolate;
  overflow:hidden;
}
.hero-logo img{width:100%;}
.hero-logo::after{
  content:"";
  position:absolute;
  top:0;left:-60%;
  width:40%;height:100%;
  background:linear-gradient(115deg, transparent, rgba(255,255,255,0.35), transparent);
  animation:sweep 1.6s ease-out 0.3s 1;
  mix-blend-mode:overlay;
}
@keyframes sweep{
  to{left:140%;}
}
.eyebrow{
  font-family:'Oswald',sans-serif;
  font-size:0.78rem;
  letter-spacing:0.22em;
  color:var(--ice);
  text-transform:uppercase;
  margin-bottom:14px;
}
.hero h1{
  font-size:clamp(1.9rem, 5.2vw, 3.4rem);
  line-height:1.16;
  max-width:760px;
  margin:0 auto 18px;
}
.hero p.lead{
  max-width:520px;
  margin:0 auto 36px;
  font-size:1.02rem;
  color:var(--chrome-300);
  padding:0 8px;
}
.cta-row{
  display:flex;
  gap:14px;
  justify-content:center;
  flex-wrap:wrap;
}
.btn{
  font-family:'Oswald',sans-serif;
  font-size:0.85rem;
  letter-spacing:0.05em;
  text-transform:uppercase;
  padding:14px 24px;
  border-radius:8px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:9px;
  text-align:center;
  white-space:normal;
  transition:transform .2s, box-shadow .2s, border-color .2s, background .2s;
}
.btn-primary{
  background:linear-gradient(180deg,#e7e9ec,#b9bdc4);
  color:#0a0a0c;
  box-shadow:0 0 0 0 var(--ice-dim);
}
.btn-primary:hover{
  transform:translateY(-2px);
  box-shadow:0 8px 24px -4px var(--ice-dim);
}
.btn-secondary{
  border:1px solid var(--line);
  color:var(--chrome-100);
}
.btn-secondary:hover{
  border-color:var(--ice);
  transform:translateY(-2px);
}
.btn svg{width:16px;height:16px;flex-shrink:0;}

/* ---------- TRUST STRIP ---------- */
.trust{
  padding:50px 0 60px;
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
}
.trust-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:28px;
}
.trust-item{text-align:center;}
.trust-item .ico{
  width:42px;height:42px;
  margin:0 auto 14px;
  border-radius:50%;
  border:1px solid var(--line);
  display:flex;align-items:center;justify-content:center;
}
.trust-item .ico svg{width:19px;height:19px;stroke:var(--ice);fill:none;}
.trust-item h3{
  font-size:0.82rem;
  margin-bottom:6px;
  letter-spacing:0.04em;
}
.trust-item p{
  font-size:0.84rem;
  color:var(--chrome-500);
}

/* ---------- FORMULES ---------- */
/* Compense la hauteur du header sticky (64px) pour les ancres de navigation */
.formules,
.demos,
.autonome,
.contact{
  scroll-margin-top:64px;
}

.formules{padding:80px 0 70px;}
.section-head{text-align:center;margin-bottom:48px;}
.section-head .eyebrow{margin-bottom:10px;}
.section-head h2{font-size:clamp(1.5rem,3.4vw,2.1rem);}

.cards{
  display:grid;
  grid-template-columns:repeat(2,1fr);
  gap:22px;
  align-items:start;
}
.card{
  background:var(--panel);
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:32px 26px 30px;
  display:flex;
  flex-direction:column;
  height:100%;
  min-width:0;
}
.card.pro{
  background:linear-gradient(160deg,var(--panel-2),var(--panel));
  border-color:var(--ice-dim);
  box-shadow:0 16px 40px -16px rgba(95,182,214,0.18);
  position:relative;
  transform:translateY(-6px);
}
.pro-tag{
  position:absolute;
  top:-13px;left:50%;
  transform:translateX(-50%);
  background:var(--ice);
  color:#0a0a0c;
  font-family:'Oswald',sans-serif;
  font-size:0.68rem;
  letter-spacing:0.08em;
  text-transform:uppercase;
  padding:5px 14px;
  border-radius:20px;
  white-space:nowrap;
}
.card-icon{font-size:1.5rem;margin-bottom:10px;}
.card h3{font-size:1.05rem;letter-spacing:0.04em;margin-bottom:8px;}
.card .price{
  font-family:'Bebas Neue',sans-serif;
  font-size:2.5rem;
  color:var(--chrome-100);
  line-height:1;
  margin:6px 0 4px;
  word-break:keep-all;
}
.card .price span{font-size:1rem;color:var(--chrome-500);font-family:'Inter',sans-serif;}
.card-meta{
  display:flex;
  gap:14px;
  flex-wrap:wrap;
  font-size:0.8rem;
  color:var(--chrome-500);
  margin-bottom:20px;
}
.card ul{list-style:none;flex-grow:1;}
.card li{
  font-size:0.88rem;
  color:var(--chrome-300);
  padding:7px 0;
  border-top:1px solid var(--line);
  display:flex;
  gap:9px;
  align-items:flex-start;
}
.card li:first-child{border-top:none;}
.card li svg{
  width:13px;height:13px;
  margin-top:3px;
  flex-shrink:0;
  stroke:var(--ice);
  fill:none;
}
.btn-card{
  margin-top:24px;
  width:100%;
  justify-content:center;
}

/* ---------- DEMOS ---------- */
.demos{
  padding:80px 0 70px;
  border-top:1px solid var(--line);
  background:
    radial-gradient(ellipse 60% 50% at 50% 0%, rgba(95,182,214,0.06), transparent 60%);
}
.section-sub{
  max-width:480px;
  margin:12px auto 0;
  font-size:0.92rem;
  color:var(--chrome-500);
}
.demo-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:18px;
  margin-top:46px;
}
.demo-item{
  position:relative;
  aspect-ratio:9/16;
  border-radius:var(--radius);
  overflow:hidden;
  border:1px solid var(--line);
  background:var(--panel);
  cursor:pointer;
  transition:transform .35s ease, box-shadow .35s ease, border-color .35s ease;
}
.demo-item:hover{
  transform:translateY(-6px);
  border-color:var(--ice-dim);
  box-shadow:0 18px 40px -18px rgba(95,182,214,0.4);
}
.demo-item video{
  width:100%;height:100%;
  object-fit:cover;
  display:block;
}
.demo-play{
  position:absolute;
  inset:0;margin:auto;
  width:60px;height:60px;
  border:none;border-radius:50%;
  background:rgba(0,0,0,0.45);
  backdrop-filter:blur(4px);
  display:flex;align-items:center;justify-content:center;
  cursor:pointer;
  transition:transform .25s ease, background .25s ease, opacity .25s ease;
}
.demo-play svg{width:26px;height:26px;fill:var(--chrome-100);margin-left:3px;}
.demo-item:hover .demo-play{background:var(--ice);transform:scale(1.08);}
.demo-item:hover .demo-play svg{fill:#0a0a0c;}
.demo-item.playing .demo-play{opacity:0;pointer-events:none;}

/* Commande de volume */
.demo-vol{
  position:absolute;
  left:10px;right:10px;bottom:10px;
  display:flex;
  align-items:center;
  gap:8px;
  padding:7px 10px;
  border-radius:30px;
  background:rgba(0,0,0,0.55);
  backdrop-filter:blur(6px);
  opacity:0;
  transform:translateY(8px);
  transition:opacity .25s ease, transform .25s ease;
  pointer-events:none;
}
.demo-item.playing .demo-vol,
.demo-item:hover .demo-vol{
  opacity:1;
  transform:translateY(0);
  pointer-events:auto;
}
.vol-btn{
  flex-shrink:0;
  width:26px;height:26px;
  padding:0;
  background:none;border:none;
  cursor:pointer;
  color:var(--chrome-100);
  display:flex;align-items:center;justify-content:center;
}
.vol-btn svg{width:20px;height:20px;fill:currentColor;}
.vol-range{
  flex:1;
  min-width:0;
  height:4px;
  -webkit-appearance:none;
  appearance:none;
  background:rgba(255,255,255,0.25);
  border-radius:4px;
  cursor:pointer;
}
.vol-range::-webkit-slider-thumb{
  -webkit-appearance:none;
  appearance:none;
  width:13px;height:13px;
  border-radius:50%;
  background:var(--ice);
  border:none;
  cursor:pointer;
}
.vol-range::-moz-range-thumb{
  width:13px;height:13px;
  border-radius:50%;
  background:var(--ice);
  border:none;
  cursor:pointer;
}

.demo-more{
  display:flex;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  gap:14px;
  text-align:center;
  background:linear-gradient(160deg,var(--panel-2),var(--panel));
  color:var(--chrome-100);
  font-family:'Oswald',sans-serif;
  letter-spacing:0.05em;
  text-transform:uppercase;
  font-size:0.82rem;
}
.demo-more svg{width:38px;height:38px;fill:var(--chrome-100);transition:fill .3s,transform .3s;}
.demo-more:hover svg{fill:var(--ice);transform:scale(1.12);}

/* ---------- AUTONOME ---------- */
.autonome{
  padding:70px 0;
  background:var(--panel);
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
}
.autonome-inner{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:50px;
  align-items:center;
}
.autonome h2{font-size:clamp(1.4rem,3vw,2rem);margin-bottom:16px;}
.autonome .quote{
  font-family:'Oswald',sans-serif;
  color:var(--chrome-100);
  font-size:1.05rem;
  font-weight:400;
  letter-spacing:0.01em;
  border-left:2px solid var(--ice);
  padding-left:16px;
  margin-top:18px;
}
.auto-list{list-style:none;display:flex;flex-direction:column;gap:18px;}
.auto-list li{display:flex;gap:14px;align-items:flex-start;font-size:0.94rem;color:var(--chrome-300);}
.auto-list .ico{
  width:30px;height:30px;flex-shrink:0;
  border-radius:8px;
  border:1px solid var(--line);
  display:flex;align-items:center;justify-content:center;
}
.auto-list .ico svg{width:14px;height:14px;stroke:var(--ice);fill:none;}
.auto-list .ico.no svg{stroke:var(--chrome-500);}

/* ---------- CONTACT CTA ---------- */
.contact{
  padding:90px 0;
  text-align:center;
}
.contact .eyebrow{margin-bottom:14px;}
.contact h2{font-size:clamp(1.5rem,4vw,2.5rem);margin-bottom:14px;}
.contact p{max-width:480px;margin:0 auto 34px;color:var(--chrome-500);padding:0 8px;}
.tel-big{
  font-family:'Bebas Neue',sans-serif;
  font-size:clamp(1.8rem,7vw,3.4rem);
  color:var(--chrome-100);
  letter-spacing:0.03em;
  display:inline-flex;
  align-items:center;
  gap:14px;
  margin-bottom:30px;
  flex-wrap:wrap;
  justify-content:center;
  padding:0 8px;
}
.tel-big svg{width:30px;height:30px;stroke:var(--ice);fill:none;flex-shrink:0;}
.tel-big:hover{color:var(--ice);}

.contact-methods{
  display:flex;
  align-items:stretch;
  justify-content:center;
  gap:20px;
  flex-wrap:wrap;
  margin-top:8px;
}
.contact-card{
  flex:1 1 260px;
  max-width:320px;
  display:flex;
  flex-direction:column;
  align-items:center;
  gap:6px;
  text-align:center;
  padding:30px 24px;
  border:1px solid var(--line);
  border-radius:var(--radius);
  background:var(--panel);
  transition:transform .3s ease, border-color .3s ease, box-shadow .3s ease;
}
.contact-card:hover{
  transform:translateY(-5px);
  border-color:var(--ice-dim);
  box-shadow:0 18px 40px -18px rgba(95,182,214,0.4);
}
.cc-ico{
  width:54px;height:54px;
  margin-bottom:6px;
  border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  border:1px solid var(--ice-dim);
  background:rgba(95,182,214,0.08);
}
.cc-ico svg{width:24px;height:24px;stroke:var(--ice);fill:none;}
.contact-card.tiktok .cc-ico svg{fill:var(--chrome-100);stroke:none;}
.cc-label{
  font-family:'Oswald',sans-serif;
  font-size:0.74rem;
  letter-spacing:0.12em;
  text-transform:uppercase;
  color:var(--ice);
}
.cc-value{
  font-family:'Bebas Neue',sans-serif;
  font-size:1.9rem;
  letter-spacing:0.03em;
  color:var(--chrome-100);
  line-height:1.1;
}
.cc-hint{font-size:0.82rem;color:var(--chrome-500);}
.contact-or{
  align-self:center;
  font-family:'Oswald',sans-serif;
  text-transform:uppercase;
  letter-spacing:0.1em;
  font-size:0.8rem;
  color:var(--chrome-500);
  flex-shrink:0;
}

/* ---------- FOOTER ---------- */
footer{
  padding:36px 0 40px;
  border-top:1px solid var(--line);
  text-align:center;
}
footer img{height:20px;margin:0 auto 12px;opacity:0.85;}
footer p{font-size:0.78rem;color:var(--chrome-500);padding:0 12px;}
footer .foot-links{
  margin-top:10px;
  display:flex;
  gap:18px;
  justify-content:center;
  flex-wrap:wrap;
  font-size:0.78rem;
}
footer .foot-links a:hover{color:var(--ice);}

/* ---------- SCROLL REVEAL (progressive enhancement, voir script.js) ---------- */
.reveal{transition:opacity .7s ease, transform .7s ease;}
body.js-enabled .reveal{opacity:0;transform:translateY(18px);}
body.js-enabled .reveal.in-view{opacity:1;transform:translateY(0);}

/* ---------- ANIMATIONS D'ENTRÉE ---------- */
@keyframes fadeDown{from{opacity:0;transform:translateY(-12px);}to{opacity:1;transform:translateY(0);}}
@keyframes fadeUp{from{opacity:0;transform:translateY(20px);}to{opacity:1;transform:translateY(0);}}
@keyframes floaty{0%,100%{transform:translateY(0);}50%{transform:translateY(-7px);}}

header.nav{animation:fadeDown .6s ease both;}
.hero .eyebrow{animation:fadeUp .7s ease .1s both;}
.hero h1{animation:fadeUp .7s ease .22s both;}
.hero p.lead{animation:fadeUp .7s ease .34s both;}
.hero .cta-row{animation:fadeUp .7s ease .46s both;}
.hero-logo{animation:fadeUp .8s ease both, floaty 5s ease-in-out 1s infinite;}

.btn-primary{position:relative;}
.btn-primary::before{
  content:"";
  position:absolute;inset:0;
  border-radius:8px;
  box-shadow:0 0 0 0 var(--ice-dim);
  animation:pulse 2.6s ease-out infinite;
}
@keyframes pulse{
  0%{box-shadow:0 0 0 0 rgba(95,182,214,0.4);}
  70%{box-shadow:0 0 0 14px rgba(95,182,214,0);}
  100%{box-shadow:0 0 0 0 rgba(95,182,214,0);}
}

/* ---------- RESPONSIVE ---------- */
@media (max-width:860px){
  .trust-grid{grid-template-columns:repeat(2,1fr);}
  .cards{grid-template-columns:1fr;}
  .card.pro{transform:none;}
  .autonome-inner{grid-template-columns:1fr;gap:34px;}
  .formules{padding:64px 0 56px;}
  .autonome{padding:56px 0;}
  .demo-grid{grid-template-columns:repeat(2,1fr);gap:14px;}

  .nav-burger{display:flex;}
  .nav-links{
    position:fixed;
    top:64px;left:0;right:0;
    flex-direction:column;
    align-items:flex-start;
    gap:0;
    margin:0;
    background:rgba(0,0,0,0.96);
    backdrop-filter:blur(12px);
    border-bottom:1px solid var(--line);
    padding:8px 0;
    transform:translateY(-12px);
    opacity:0;
    pointer-events:none;
    transition:opacity .25s ease, transform .25s ease;
  }
  .nav-links.open{transform:translateY(0);opacity:1;pointer-events:auto;}
  .nav-links a{
    width:100%;
    padding:14px 24px;
    font-size:1rem;
    border-bottom:1px solid var(--line);
  }
  .nav-links a::after{display:none;}
}

@media (max-width:540px){
  .wrap{padding:0 20px;}
  .nav-tel span.tel-text{display:none;}
  .hero{padding:56px 0 48px;}
  .hero p.lead{font-size:0.96rem;}
  .cta-row{flex-direction:column;align-items:stretch;}
  .btn{width:100%;}
  .trust{padding:40px 0 46px;}
  .trust-grid{grid-template-columns:1fr 1fr;gap:30px 18px;}
  .formules{padding:56px 0 48px;}
  .card{padding:26px 20px 24px;}
  .contact{padding:64px 0;}
  footer{padding:30px 0 32px;}
  .demos{padding:56px 0 48px;}
  .demo-grid{gap:12px;margin-top:34px;}
  .demo-play{width:48px;height:48px;}
  .demo-play svg{width:20px;height:20px;}

  .contact-methods{flex-direction:column;align-items:stretch;gap:14px;}
  .contact-card{max-width:none;width:100%;}
  .contact-or{align-self:center;}
}

@media (max-width:380px){
  .wrap{padding:0 16px;}
  .trust-grid{grid-template-columns:1fr;gap:26px;}
  .card{padding:24px 18px 22px;}
  .nav-actions{gap:10px;}
}

@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto;}
  .hero-logo::after{animation:none;display:none;}
  .btn,.nav-tiktok,.tel-big{transition:none;}
  body.js-enabled .reveal{opacity:1;transform:none;}
  header.nav,.hero .eyebrow,.hero h1,.hero p.lead,.hero .cta-row,.hero-logo{animation:none;}
  .btn-primary::before{animation:none;}
}