.baslik::after {
    content: '';
    position: absolute;
    left: 50%;
    bottom: -25px;
    transform: translateX(-50%);
    width: 50%;
    height: 3px;
    background-color: #050131;
    border-radius: 5px;
}

.cizgi {
    position: relative;
}

.cizgi::after {
    content: '';
    position: absolute;
    left: 50%;
    bottom: 0;
    transform: translateX(-50%);
    width: 70%;
    height: 3px;
    background-color: #050131;
    border-radius: 5px;
}

.sponsor-card {
    position: relative;
    width: 100%;
    height: 300px;
    max-width: 100%;
    border-radius: 10px;
    backdrop-filter: brightness(1.3) blur(5px);
    overflow: hidden;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 1.5em;
    transition: transform 0.2s ease-out;
}

.sponsor-card::before {
    content: "";
    position: absolute;

    will-change: transform, opacity;
    
    top: var(--y, 50%); /* Varsayılan değerler eklendi */
    left: var(--x, 50%); /* Varsayılan değerler eklendi */
    width: 150px;
    height: 150px;
    border-radius: 50%;
    /* rgba() fonksiyonu için --main-rgb kullanıldı */
    background: radial-gradient(circle at center, rgba(var(--main-rgb, 204, 204, 204), var(--opacity-before, 0)) 0%, transparent 70%);
    transform: translate(-50%, -50%) scale(var(--scale-before, 0));
    transition: transform 0.2s ease-out, opacity 0.2s ease-out, background 0.2s ease-out;
    pointer-events: none;
    opacity: var(--opacity-before, 0);
    z-index: 1;
}

.sponsor-card::after {
    content: "";
    position: absolute;
    border-radius: 5px;
    inset: 5px;
    box-shadow: 0 0 5px rgba(0, 0, 0, 0.5);
    /* rgba() fonksiyonu için --main-rgb kullanıldı */
    background: rgba(var(--main-rgb, 204, 204, 204), 0.4);
    z-index: 2;
    transition: background 0.3s ease;
}

.sponsor-card-overlay {
  position: absolute;
  /* background-image veya varsayılan renk için --main-color veya --main-rgb kullanıldı */
  background: var(--background-image, rgb(var(--main-rgb, 204, 204, 204))) center/cover no-repeat;
  inset: 5px;
  border-radius: 5px;
  z-index: 2;
}

.sponsor-card-logo {
  position: absolute;
  top: 20px;
  left: 50%;
  transform: translateX(-50%);
  width: 100px;
  height: 100px;
  background-color: white;
  border-radius: 50%;
  display: flex;
  justify-content: center;
  align-items: center;
  overflow: hidden;
  z-index: 4;
}

.sponsor-card-logo img {
  max-width: 80%;
  max-height: 80%;
  object-fit: contain;
  position: absolute;
  top: 50%;
  left: 50%; 
  transform: translate(-50%, -50%);
}

.sponsor-card-content { /* altin-sponsor-icerik yerine sponsor-card-content */
    color: white;
    text-shadow: 0px 0px 8px rgba(0, 0, 0, 1),
                 0px 0px 15px rgba(0, 0, 0, 0.7);
    /* Ekstra içerik stili */
    display: flex; /* Flexbox özellikleri */
    flex-direction: column;
    align-items: center;
    justify-content: center;
    width: 100%;
    height: 100%;
}

.sponsor-card-icerik { /* Bu kısım altin-sponsor.html'deki içerik bloğu */
    color: white;
    text-shadow: 0px 0px 8px rgba(0, 0, 0, 1),
                 0px 0px 15px rgba(0, 0, 0, 0.7);
    /* Orijinal altin-sponsor-icerik'ten gelen stiller */
    display: flex; 
    flex-direction: column; 
    align-items: center; 
    justify-content: end; 
    padding-top: 120px;
    z-index: 3;
    width: 100%;
}

.sponsor-card h5 {
    margin-bottom: 5px;
    font-size: 1.2rem; /* Varsayılan font boyutu */
}

.sponsor-card p {
    font-size: 0.9rem; /* Varsayılan font boyutu */
}