/* =========================
   BANDEAU SPONSORS
   ========================= */

.sponsors-strip{
  position:relative;
  z-index:5;
  width:100%;
  margin:0 auto 20px;
  padding:18px 0;
  border-radius:20px;
  overflow:hidden;
  background:rgba(0,0,0,0.45);
  border:1px solid rgba(255,255,255,0.12);
  box-shadow:0 10px 30px rgba(0,0,0,0.35);
  backdrop-filter:blur(8px);
}

.sponsors-title{
  text-align:center;
  color:#fff;
  font-weight:900;
  font-size:clamp(18px, 2vw, 26px);
  letter-spacing:1px;
  margin:0 0 14px;
  text-shadow:0 3px 10px rgba(0,0,0,0.45);
}

.sponsors-marquee{
  overflow:hidden;
  position:relative;
  width:100%;
}

.sponsors-track{
  display:flex;
  align-items:center;
  gap:30px;
  width:max-content;
  animation:sponsorsScroll 100s linear infinite;
}

.sponsors-strip:hover .sponsors-track{
  animation-play-state:paused;
}

.sponsor-card{
  flex:0 0 auto;
  width:170px;
  height:90px;
  display:flex;
  align-items:center;
  justify-content:center;
  border-radius:16px;
  background:rgba(255,255,255,0.92);
  border:1px solid rgba(255,255,255,0.45);
  box-shadow:0 8px 20px rgba(0,0,0,0.18);
  transition:transform .2s ease, box-shadow .2s ease;
  overflow:hidden;
  cursor:pointer;
}

.sponsor-card:hover{
  transform:translateY(-3px);
  box-shadow:0 12px 26px rgba(0,0,0,0.28);
}

.sponsor-card img{
  width:100%;
  height:100%;
  object-fit:contain;
  display:block;
}

@keyframes sponsorsScroll{
  from{ transform:translateX(0); }
  to{ transform:translateX(-50%); }
}

.sponsors-marquee::before,
.sponsors-marquee::after{
  content:"";
  position:absolute;
  top:0;
  width:90px;
  height:100%;
  z-index:2;
  pointer-events:none;
}

.sponsors-marquee::before{
  left:0;
  background:linear-gradient(to right, rgba(0,0,0,0.55), rgba(0,0,0,0));
}

.sponsors-marquee::after{
  right:0;
  background:linear-gradient(to left, rgba(0,0,0,0.55), rgba(0,0,0,0));
}

/* =========================
   POPUP SPONSOR
   ========================= */

.sponsor-popup{
  position:fixed;
  inset:0;
  background:rgba(0,0,0,0.9);
  display:flex;
  align-items:center;
  justify-content:center;
  z-index:99999;
  opacity:0;
  pointer-events:none;
  transition:opacity .25s ease;
}

.sponsor-popup.active{
  opacity:1;
  pointer-events:auto;
}

.sponsor-popup img{
  max-width:90vw;
  max-height:90vh;
  width:auto;
  height:auto;
  object-fit:contain;
  background:#fff;
  border-radius:18px;
  padding:16px;
  box-shadow:0 20px 60px rgba(0,0,0,.6);
}

@media (max-width:700px){
  .sponsors-strip{
    margin:0 auto 16px;
    padding:14px 0;
    width:min(96vw, 1100px);
  }

  .sponsor-card{
    width:130px;
    height:72px;
  }

  .sponsors-marquee::before,
  .sponsors-marquee::after{
    width:36px;
  }

  .sponsors-track{
    gap:16px;
    animation-duration:70s;
  }
}