:root{
  --bg:#0b0b0b;       /* fond de page */
  --panel:#111111;    /* panneau sous l'affiche */
  --brand:#ffd54d;    /* jaune Makeda */
  --brand-ink:#111;   /* texte foncé sur jaune */
  --muted:#dcdcdc;    /* texte secondaire */
}

*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;
  font-family: system-ui, -apple-system, Segoe UI, Roboto, Ubuntu, Cantarell, "Helvetica Neue", Arial, "Noto Sans", "Apple Color Emoji", "Segoe UI Emoji";
  background: var(--bg);
  color: #fff;
  display:flex; flex-direction:column; min-height:100vh;
}

.header{
  padding: 10px 16px;
  text-align:center;
  font-size: 14px;
  color: var(--muted);
}

.wrap{
  flex:1;
  display:grid;
  place-items:center;
  padding: clamp(12px,3vw,28px);
}

.poster{
  width:min(1400px, 100%);
  background: var(--panel);
  border-radius: 16px;
  box-shadow: 0 10px 30px rgba(0,0,0,.35);
  overflow:hidden;
}

.poster img{
  width:100%;
  height:auto;
  display:block;
}

.cta{
  position: sticky;
  bottom: 0;
  inset-inline: 0;
  z-index:10;
  display:flex;
  flex-wrap: wrap;
  gap:12px;
  justify-content:center;
  align-items:center;
  padding:16px;
  backdrop-filter: blur(6px);
  background: linear-gradient(to top, rgba(0,0,0,.72), rgba(0,0,0,.25) 70%, transparent);
}

.btn{
  display:inline-flex;
  align-items:center;
  gap:10px;
  text-decoration:none;
  font-weight: 800;
  letter-spacing: .2px;
  padding: clamp(14px,2.4vw,18px) clamp(18px,3.2vw,28px);
  border-radius: 999px;
  box-shadow: 0 6px 16px rgba(0,0,0,.35);
  border:2px solid rgba(0,0,0,.08);
  line-height:1;
  font-size: clamp(20px,5vw,38px);
  white-space: nowrap;
}

.btn svg{
  width: 1.1em;
  height: 1.1em;
  flex: 0 0 auto;
}

.btn--brand{
  background: var(--brand);
  color: var(--brand-ink);
}

.btn--ghost{
  background: transparent;
  color: #fff;
  border-color: rgba(255,255,255,.35);
}

footer{
  display:flex;
  justify-content:center;
  gap:10px;
  padding:14px;
  opacity:.65;
  font-size:12px;
}

@media (prefers-color-scheme: light){
  body{background:#f4f4f4; color:#111}
  .cta{background: linear-gradient(to top, rgba(255,255,255,.92), rgba(255,255,255,.7) 70%, transparent)}
  .btn--ghost{color:#111; border-color: rgba(0,0,0,.25)}
}