:root{
  --bg-img: url("../imgs/bg-smoke.png");
  --text: rgba(255,255,255,.92);
  --muted: rgba(255,255,255,.72);
  --glass: rgba(12, 10, 20, .55);
  --glass2: rgba(12, 10, 20, .35);
  --border: rgba(255,255,255,.10);

  --pink: rgba(255, 64, 220, .95);
  --violet: rgba(160, 80, 255, .95);
  --cyan: rgba(80, 210, 255, .95);

  --radius: 20px;
  --blur: 12px;
  --shadow: 0 18px 50px rgba(0,0,0,.35);
}

*{ box-sizing: border-box; }
html, body{ height:100%; }
body{
  margin:0;
  color: var(--text);
  font-family: Inter, system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  overflow-x: hidden;
}


@keyframes smokeDrift {
  0% {
    background-position: 0 0;
    transform: rotate(0deg) scale(1);
  }
  50% {
    background-position: 800px 400px;
    transform: rotate(.3deg) scale(1.02);
  }
  100% {
    background-position: 1600px 800px;
    transform: rotate(0deg) scale(1);
  }
}

@keyframes smokeDriftReverse {
  0% {
    background-position: 0 0;
  }
  100% {
    background-position: -1200px -600px;
  }
}

.bg{
  position: fixed;
  inset: -10%;
  z-index: -2;

  background-image: var(--bg-img);
  background-repeat: repeat;
  background-size: 900px auto;

  animation: smokeDrift 120s linear infinite;
  will-change: transform, background-position;
}

.bg::before{
  content:"";
  position:absolute;
  inset:0;
  background-image: var(--bg-img);
  background-repeat: repeat;
  background-size: 1100px auto;
  opacity: .35;
  mix-blend-mode: screen;

  animation: smokeDriftReverse 180s linear infinite;
}

.bg::after{
  content:"";
  position:absolute;
  inset:0;
  background:
    radial-gradient(circle at 20% 30%, rgba(255,64,220,.18), transparent 60%),
    radial-gradient(circle at 70% 50%, rgba(80,210,255,.14), transparent 60%),
    radial-gradient(circle at 50% 80%, rgba(160,80,255,.12), transparent 60%),
    linear-gradient(180deg, rgba(0,0,0,.55), rgba(0,0,0,.75));
}



/* Layout */
.container{
  width: min(1100px, calc(100% - 32px));
  margin: 7vh auto;
}

.card{
  border: 1px solid var(--border);
  background: var(--glass);
  border-radius: var(--radius);
  backdrop-filter: blur(var(--blur));
  box-shadow: var(--shadow);
}

/* Topbar */
.topbar{
  position: sticky;
  top: 0;
  z-index: 50;
  padding: 14px 0;
  /* background: linear-gradient(180deg, rgba(0,0,0,.55), rgba(0,0,0,.15)); */
  /* border-bottom: 1px solid rgba(255,255,255,.06); */
  /* backdrop-filter: blur(10px); */
}
.topbar__inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap: 14px;
}

.brand{
  display:flex;
  align-items:center;
  gap: 10px;
  text-decoration:none;
  color: var(--text);
}
.brand__logo{
  min-height: 60px;
  max-height: 180px;
  height: 15vh;
  width: auto;
  /* filter: drop-shadow(0 0 10px rgba(255,64,220,.30)); */
}
.brand__text{
  font-family: Orbitron, Inter, system-ui;
  font-weight: 800;
  letter-spacing: .5px;
}

/* Topbar logo only */
.topbar.topbar--logoOnly{
  position: fixed;
  top: 14px;
  left: 15%;
  transform: translateX(-50%);
  z-index: 999;

  padding: 10px 14px;
  border-radius: 999px;
  /* border: 1px solid rgba(255,255,255,.10); */
  /* background: rgba(0,0,0,.22); */
  /* backdrop-filter: blur(12px); */
  /* box-shadow: 0 18px 50px rgba(0,0,0,.35); */
}

.topbar.topbar--logoOnly .brand{
  display:flex;
  align-items:center;
  justify-content:center;
  text-decoration:none;
}

/* laisse respirer le hero sous le logo fixed */
.hero{
  padding-top: 110px; /* important */
}


/* Hero */
.hero{
  padding: 36px 0 18px;
}

.hero__head{
  text-align:center;
  margin: 10px auto 18px;
  max-width: 900px;
}

.hero__title{
  font-family: Orbitron, Inter, system-ui;
  font-weight: 800;
  letter-spacing: .3px;
  line-height: 1.1;
  margin: 0 0 10px;
  font-size: clamp(26px, 3.3vw, 44px);
  text-shadow:
    0 0 18px rgba(255,64,220,.20),
    0 0 28px rgba(160,80,255,.14);
}

.hero__subtitle{
  margin: 0;
  color: var(--muted);
  font-size: clamp(14px, 1.7vw, 18px);
}
.hero__subtitle strong{
  color: var(--text);
}


.hero__karts{
  position: relative;
  display: flex;
  justify-content: center;
  margin-top: 30px;
}

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

  filter: drop-shadow(0 40px 80px rgba(0,0,0,.6));

  /* FONDU SUR TOUS LES BORDS */
  -webkit-mask-image:
    radial-gradient(ellipse at center,
      rgba(0,0,0,1) 60%,
      rgba(0,0,0,.85) 70%,
      rgba(0,0,0,.4) 85%,
      rgba(0,0,0,0) 100%);
      
  mask-image:
    radial-gradient(ellipse at center,
      rgba(0,0,0,1) 60%,
      rgba(0,0,0,.85) 70%,
      rgba(0,0,0,.4) 85%,
      rgba(0,0,0,0) 100%);

  mix-blend-mode: lighten;
}

.hero__karts::after{
  content:"";
  position:absolute;
  inset:0;
  background:
    radial-gradient(circle at 50% 100%,
      rgba(160,80,255,.25),
      transparent 60%);
  pointer-events:none;
}


.hero__mediaGlow{
  position:absolute;
  inset: 0;
  pointer-events:none;
  background:
    radial-gradient(circle at 20% 30%, rgba(80,210,255,.18), transparent 55%),
    radial-gradient(circle at 70% 40%, rgba(255,64,220,.18), transparent 55%),
    radial-gradient(circle at 50% 80%, rgba(160,80,255,.12), transparent 60%);
}

.hero__text{
  margin: 18px auto 0;
  max-width: 920px;
  color: rgba(255,255,255,.84);
  line-height: 1.7;
}
.hero__text p{ margin: 0 0 10px; }
.hero__text strong{ color: var(--text); }

.features{
  margin-top: 18px;
  display:grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
}
.feature{
  border: 1px solid rgba(255,255,255,.10);
  background: rgba(0,0,0,.20);
  border-radius: 16px;
  padding: 12px 12px;
  display:flex;
  gap: 10px;
  align-items:flex-start;
  backdrop-filter: blur(10px);
}
.feature__icon{
  filter: drop-shadow(0 0 10px rgba(255,64,220,.22));
}

/* Sections */
.section{
  padding: 28px 0 6px;
}
.section__title{
  margin: 0 0 14px;
}
.section__title h2{
  margin: 0 0 6px;
  font-family: Orbitron, Inter, system-ui;
  letter-spacing: .3px;
}
.section__title p{
  margin: 0;
  color: var(--muted);
}

.grid2{
  margin-top: 18px;
  display:grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}
.grid3{
  display:grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.infoCard{
  padding: 16px;
}
.infoCard h3{
  margin: 0 0 10px;
}
.infoCard ul{
  margin: 0;
  padding-left: 18px;
  color: rgba(255,255,255,.82);
}
.infoCard li{ margin: 6px 0; }

.price{
  padding: 16px;
}
.price__top{
  display:flex;
  align-items:flex-end;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 8px;
}
.price__top h3{ margin: 0; }
.price__value{
  font-family: Orbitron, Inter, system-ui;
  font-weight: 800;
  letter-spacing: .3px;
  font-size: 26px;
  text-shadow: 0 0 18px rgba(255,64,220,.18);
}
.price.is-highlight{
  border-color: rgba(255,64,220,.35);
  box-shadow:
    var(--shadow),
    0 0 0 1px rgba(255,64,220,.18) inset,
    0 0 30px rgba(255,64,220,.12);
}

.btn{
  width: 100%;
  margin-top: 12px;
  border: 1px solid rgba(255,255,255,.14);
  background:
    linear-gradient(90deg, rgba(255,64,220,.24), rgba(80,210,255,.18));
  color: var(--text);
  border-radius: 14px;
  padding: 12px 14px;
  font-weight: 700;
  cursor: pointer;
}
.btn:hover{
  border-color: rgba(255,255,255,.22);
}

.contact{
  padding: 16px;
}
.contact__row{
  display:flex;
  align-items:center;
  justify-content: space-between;
  gap: 12px;
  padding: 10px 0;
  border-bottom: 1px solid rgba(255,255,255,.06);
}
.contact__row:last-child{ border-bottom: none; }
.chip{
  display:inline-flex;
  align-items:center;
  gap: 8px;
  padding: 8px 10px;
  border-radius: 999px;
  border: 1px solid rgba(255,255,255,.10);
  background: rgba(0,0,0,.18);
}

.link{
  color: rgba(255,255,255,.90);
  text-decoration: none;
  border-bottom: 1px solid rgba(255,255,255,.18);
}
.link:hover{
  border-bottom-color: rgba(255,64,220,.45);
}

.chip--neon{
  background: rgba(0,0,0,.18);
  border: 1px solid rgba(255,255,255,.10);
}

.dot{
  width: 10px;
  height: 10px;
  border-radius: 999px;
  display:inline-block;
  box-shadow: 0 0 16px rgba(255,255,255,.12);
}
.dot--pink{
  background: rgba(255,64,220,.95);
  box-shadow: 0 0 18px rgba(255,64,220,.35);
}
.dot--cyan{
  background: rgba(80,210,255,.95);
  box-shadow: 0 0 18px rgba(80,210,255,.30);
}
.dot--violet{
  background: rgba(160,80,255,.95);
  box-shadow: 0 0 18px rgba(160,80,255,.30);
}

.muted{ color: var(--muted); }

.closing{
  text-align:center;
  margin: 18px 0 0;
  font-family: Orbitron, Inter, system-ui;
  letter-spacing: .3px;
  opacity: .95;
}

/* Footer */
.footer{
  margin-top: 26px;
  padding: 18px 0;
  border-top: 1px solid rgba(255,255,255,.07);
  background: rgba(0,0,0,.18);
  backdrop-filter: blur(10px);
}
.footer__inner{
  display:flex;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
}

/* Responsive */
@media (max-width: 920px){
  .features{ grid-template-columns: repeat(2, minmax(0,1fr)); }
  .grid3{ grid-template-columns: 1fr; }
}
@media (max-width: 760px){
  .nav{ display:none; }
  .burger{ display:inline-flex; }
  .grid2{ grid-template-columns: 1fr; }
}