:root{
  --bg:#000000;
  --text:#e9e9ee;
  --muted:#a7a7b3;
  --accent-1:#b388ff;
  --accent-2:#8ab4ff;
}
*{box-sizing:border-box}
html,body{height:100%}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font:16px/1.6 system-ui,-apple-system,Segoe UI,Roboto,Inter,Arial,Helvetica,sans-serif;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
  overflow-x:hidden;
}
a{color:inherit;text-decoration:none}
img,video{max-width:100%;height:auto;display:block;border-radius:16px}
.container{width:min(1100px, 92%);margin-inline:auto}
.section{padding:96px 0}
.ta-center{text-align:center}
.bg-halos{
  position:fixed;inset:-30vmax;pointer-events:none;z-index:-2;
  background:
    radial-gradient(64vmax 64vmax at 8% 12%, rgba(137,82,255,.30), transparent 55%),
    radial-gradient(80vmax 80vmax at 95% 30%, rgba(138,180,255,.26), transparent 60%);
  filter:saturate(130%) contrast(105%);
}
:root{ --topbar-h: 68px; }
@media (max-width: 540px){ :root{ --topbar-h: 62px; } }
.topbar{
  position: fixed; top:0; left:0; right:0; z-index:60;
  background: rgba(10,10,14,.5);
  backdrop-filter: blur(16px) saturate(160%);
  -webkit-backdrop-filter: blur(16px) saturate(160%);
  border-bottom:1px solid rgba(255,255,255,.08);
  transform: translateY(0);
  transition: transform .35s ease, box-shadow .3s ease;
  will-change: transform;
}
.topbar--hidden{ transform: translateY(-100%) !important; }
body{ padding-top: var(--topbar-h); }
.topbar-inner{ display:flex; align-items:center; justify-content:space-between; min-height: var(--topbar-h); }
.nav{ display:flex; align-items:center; gap:24px; }
.topbar-sentinel{ position: relative; height:1px; margin:0; }
.btn{ display:inline-block; padding:10px 18px; border-radius:999px; font-weight:600; line-height:1; background:#121622; border:1px solid rgba(255,255,255,.14); transition: transform .18s ease, border-color .2s ease }
.btn:hover{ transform: translateY(-1px); border-color:rgba(255,255,255,.24) }
.btn:active{ transform: translateY(0) }
.btn.ghost{ background:transparent;border-color:rgba(255,255,255,.24) }
.btn-wa{ background:linear-gradient(90deg,#25D366, #6EEB83); color:#0b0d13; box-shadow:0 10px 28px -8px rgba(37,211,102,.45) }
.hero{
  min-height:100vh;     /* fallback anciens navigateurs */
  min-height:100svh;    /* unités modernes : évite les barres d'UI mobiles */
  display:grid;
  place-items:center;
  padding:0
}
.hero-inner{ text-align:center; z-index: 0 }
.title{ position:relative; z-index:0; font-weight:900; font-size: clamp(52px, 12.5vw, 120px); letter-spacing:-.02em; margin:0 0 12px; line-height:1.03; text-align:center }
.title .word{ color:#fff }
.title .accent{
  color:#fff; text-shadow: 0 0 6px rgba(179,136,255,.55), 0 0 18px rgba(179,136,255,.55), 0 0 42px rgba(144,118,255,.45), 0 0 80px rgba(120,96,255,.35)
}
.title .accent.glow{ position: relative; display:inline-block; }
.title .accent.glow::after{
  content:''; position:absolute;
  left:-6%; right:-6%; top:-8%; bottom:-8%;
  background:
    radial-gradient(60% 60% at 50% 50%, rgba(172, 124, 255, 0.45), transparent 60%),
    radial-gradient(70% 70% at 65% 50%, rgba(255,255,255,.18), transparent 70%);
  filter: blur(14px);
  z-index:-1; pointer-events:none;
}
.lead{ color:#fff;opacity:.92;margin:8px auto 0;max-width:820px; font-size: clamp(16px, 2.6vw, 24px) }
.section-title{ font-size: clamp(24px, 4.5vw, 36px); margin:0 0 28px; letter-spacing:-.01em }
.glass{
  background: rgba(255,255,255,.05);
  border:1px solid rgba(255,255,255,.12);
  backdrop-filter: blur(12px) saturate(140%);
  -webkit-backdrop-filter: blur(12px) saturate(140%);
}
.offers .offer{
  display:grid;grid-template-columns: 1.2fr 1fr;gap:32px;
  align-items:center;
  background: transparent;
  padding:24px;border-radius:20px; margin:20px 0 40px;
  box-shadow: 0 16px 50px -28px rgba(0,0,0,.9);
  border:1px solid rgba(255,255,255,.06);
}
.offers .offer h3{margin:0 0 8px;font-size: clamp(18px, 3.2vw, 28px)}
.offers .offer p{margin:0 0 12px;color:var(--text)}
.features{margin:0 0 16px 0;padding:0 0 0 18px;color:var(--muted)}
.price{font-size:20px;font-weight:800;margin:0 0 14px}
.offer .media video{width:100%;aspect-ratio:16/9;object-fit:cover;pointer-events:none}
.offer .media video.vertical{aspect-ratio:9/16;width:70%;margin-inline:auto}
.offers .offer.offer-center{
  grid-template-columns: 1fr;
  grid-template-areas: "content";
  justify-items: center;
  text-align: center;
  max-width:820px;
  margin:20px auto 40px
}
.offers .offer.offer-center .content{
  grid-area: content;
  justify-self: center;
  margin-inline: auto;
}
.offer-center .btn{ margin-top:6px }
.offer-invert{ grid-template-columns:1fr 1.2fr }
.contact .contact-grid{
  display:grid;grid-template-columns:1.4fr 1fr;gap:18px;align-items:center;
  padding:24px;border-radius:20px;
  border:1px solid rgba(255,255,255,.06);
  background: transparent;
}
.contact-line{margin:0 0 6px}
.socials a{opacity:.9}
.copyright{margin-top:22px;color:var(--muted);text-align:right}
.reveal{opacity:0;transform:translateY(16px);transition: opacity .7s ease, transform .7s ease}
.reveal.visible{opacity:1;transform:none}
@media (max-width: 960px){
  .offers .offer, .offer-invert{grid-template-columns:1fr}
  .offer-invert .media{order:2}
  .offer-invert .content{order:1}
  .contact .contact-grid{grid-template-columns:1fr}
}
@media (max-width: 540px){
  .btn{padding:10px 14px}
  .offers .offer{padding:18px}
  .contact .contact-grid{padding:18px}
  .title{letter-spacing:-.01em}
}
.btn.ghost:hover{
  background:#ffffff;
  color:#0b0d13;
  border-color:#ffffff;
  box-shadow:
    0 0 12px rgba(179,136,255,.35),
    0 0 28px rgba(138,180,255,.25);
}
.btn.ghost:focus-visible{
  outline: none;
  box-shadow:
    0 0 0 3px rgba(255,255,255,.9),
    0 0 18px rgba(179,136,255,.35);
}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
.muted{color:var(--muted)}
.small{font-size:0.95rem}
html, body{ overflow-x:hidden; }
body{ touch-action: pan-y; overscroll-behavior-x: none; }
.offers .offer { 
  grid-template-areas: "media content"; 
}
.offers .offer .media { grid-area: media; }
.offers .offer .content { grid-area: content; }
.offers .offer.offer-invert{
  grid-template-areas: "content media";
}
@media (max-width: 960px){
  .offers .offer{ grid-template-columns:1fr; grid-template-areas: "media" "content"; }
  .offers .offer.offer-invert{ grid-template-columns:1fr; grid-template-areas: "media" "content"; }
  .offer .media video.vertical{ width: 86%; }
}
.lightbox{
  position: fixed; inset: 0; display: none; align-items: center; justify-content: center;
  z-index: 999;
}
.lightbox[aria-hidden="false"].open,
.lightbox.open{ display:flex; }
.lightbox-backdrop{
  position:absolute; inset:0;
  background: rgba(8,10,14,.62);
  backdrop-filter: blur(10px) saturate(120%);
  -webkit-backdrop-filter: blur(10px) saturate(120%);
}
.lightbox-content{
  position:relative; width:min(1000px, 92vw); max-height:88svh;
  transform: translateY(8px); opacity:0;
  transition: opacity .28s ease, transform .28s ease;
}
.lightbox.open .lightbox-content{ transform:none; opacity:1; }
.lightbox-aspect{
  background:#000; border-radius:22px; overflow:hidden;
  box-shadow: 0 30px 70px -18px rgba(0,0,0,.75), 0 0 0 1px rgba(255,255,255,.06) inset;
}
.lightbox-video{
  display:block; width:100%; height:auto; max-height:88svh; outline:none; border-radius:22px;
}
.lightbox-close{
  position:absolute; top:-16px; right:-16px;
  width:40px; height:40px; border-radius:999px;
  border:1px solid rgba(255,255,255,.22);
  background:rgba(14,16,22,.92);
  backdrop-filter: blur(8px) saturate(140%);
  -webkit-backdrop-filter: blur(8px) saturate(140%);
  color:#fff; cursor:pointer;
  display:grid; place-items:center;
  transition: transform .18s ease, box-shadow .22s ease, background .22s ease;
}
.lightbox-close::before{ content:"×"; font-size:22px; font-weight:800; transform: translateY(-1px) }
.lightbox-close:hover{ transform: rotate(9deg) scale(1.05); box-shadow:0 16px 40px -16px rgba(179,136,255,.55); background:rgba(22,24,34,.96) }
.lightbox-close:active{ transform: scale(.98) }
.offer .media{ position:relative; cursor:pointer }
.offer .media::after{
  content:""; position:absolute; inset:0; border-radius:16px;
  outline: none;
}
.offer .media:focus-visible{
  outline: none;
  box-shadow: 0 0 0 3px rgba(255,255,255,.9), 0 0 18px rgba(179,136,255,.35);
  border-radius:16px;
}
.nav .nav-link{ color:#fff;opacity:.92;font-weight:600; position:relative; display:inline-block; padding-bottom:8px; }
.nav .nav-link:hover{opacity:1}
.nav .nav-link::after{
  content:"";
  position:absolute; left:0; right:0; bottom:0;
  height:2px; background: currentColor;
  transform: scaleX(0); transform-origin:left;
  transition: transform .2s ease;
}
.nav .nav-link:hover::after{ transform: scaleX(1); }
.brand::after{
  content:""; position:absolute; left:0; right:0; bottom:0; height:2px;
  background: currentColor; transform: scaleX(0); transform-origin:left;
  transition: transform .2s ease;
}
.brand:hover::after{ transform: scaleX(1); }
.brand{ font-weight:800;letter-spacing:-.02em;font-size:18px; position:relative; display:inline-block; padding-bottom:8px }
@media (prefers-reduced-motion: reduce){
  *{ animation:none !important; transition:none !important; }
  html{ scroll-behavior:auto !important; }
}