/* ================================================================
   ANADOLU GELECEK ZİRVESİ — SPONSORLAR PREMIUM CSS
   ================================================================ */

.sponsors-section {
    background-color: var(--color-bg-light); /* Ana tema ile uyumlu arka plan */
    position: relative;
    overflow: hidden;
}

/* Dekoratif Arka Plan Küreleri (Kulüpler sayfası ile uyumlu) */
.sponsors-section::before {
    content: '';
    position: absolute;
    top: -10%;
    right: -5%;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(var(--color-primary-rgb), 0.05) 0%, transparent 70%);
    border-radius: 50%;
    pointer-events: none;
}

.sponsors-tier {
    margin-bottom: 80px;
}

.sponsors-tier:last-child {
    margin-bottom: 0;
}

.sponsors-tier__title {
    text-align: center;
    font-family: var(--font-heading);
    font-size: var(--fs-2xl);
    font-weight: 800;
    margin-bottom: 40px;
    color: var(--color-primary);
    position: relative;
    display: block;
}

.sponsors-tier__title::after {
    content: '';
    position: absolute;
    bottom: -12px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: linear-gradient(to right, var(--color-primary), var(--color-accent));
    border-radius: var(--radius-pill);
}

/* SPONSORS GRID */
.sponsors-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 30px;
    justify-content: center;
}

/* SPONSORLAR SECTION — MODERN TECH BACKGROUND */
.sponsors-section {
    background: radial-gradient(circle at 10% 20%, rgba(61, 30, 109, 0.02) 0%, transparent 40%),
                radial-gradient(circle at 90% 80%, rgba(255, 140, 0, 0.02) 0%, transparent 40%),
                var(--color-bg-light);
    position: relative;
}

/* SPONSOR CARD — CONSISTENT PREMIUM */
.sponsor-card {
    background: rgba(255, 255, 255, 0.6); /* Daha görünür cam zemin */
    backdrop-filter: blur(15px);
    -webkit-backdrop-filter: blur(15px);
    border: 1px solid rgba(0, 0, 0, 0.05); /* Diğer kartlar gibi daha doğal sınır */
    border-radius: var(--radius-xl); /* Diğer sayfalarla tam uyumlu (12px) */
    height: 240px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: space-between;
    padding: 30px 20px;
    transition: all 0.4s var(--ease-out);
    position: relative;
    overflow: hidden;
    text-decoration: none;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.03);
}

/* Logo Alanı */
.sponsor-card__logo {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    height: 140px;
    position: relative;
    z-index: 2;
}

.sponsor-card img {
    max-width: 90%;
    max-height: 100%;
    width: auto;
    height: auto;
    object-fit: contain;
    filter: grayscale(100%); /* Renksiz moda geri dönüldü */
    opacity: 0.7; /* Daha görünür */
    transition: all 0.4s var(--ease-spring);
}

/* Sponsor Adı */
.sponsor-card__name {
    font-family: var(--font-heading);
    font-weight: 700;
    color: var(--color-primary-dark);
    font-size: 0.9rem;
    text-align: center;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    position: relative;
    padding-bottom: 8px;
    opacity: 0.8;
    transition: all 0.4s ease;
}

/* Alt Çizgi */
.sponsor-card__name::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%) scaleX(0);
    width: 40px;
    height: 2px;
    background: var(--color-accent-orange);
    transition: transform 0.4s var(--ease-spring);
}

/* HOVER DURUMU */
.sponsor-card:hover {
    background: var(--color-white);
    transform: translateY(-8px);
    border-color: var(--color-primary-light); /* Siyah yerine mor vurgu */
    box-shadow: 0 20px 40px rgba(61, 30, 109, 0.15); /* Mor gölge vurgusu */
}

.sponsor-card:hover img {
    filter: grayscale(0%); /* Renkleniyor */
    opacity: 1;
    transform: scale(1.08); /* Hafifçe öne çıkıyor */
}

.sponsor-card:hover .sponsor-card__name {
    opacity: 1;
    color: var(--color-primary);
}

.sponsor-card:hover .sponsor-card__name::after {
    transform: translateX(-50%) scaleX(1);
}

/* Responsive */
@media (max-width: 768px) {
    .sponsors-grid {
        grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
        gap: 20px;
    }
    .sponsor-card {
        height: 220px;
        padding: 20px 15px;
    }
}

@media (max-width: 480px) {
    .sponsor-card {
        height: 200px;
        padding: 20px 15px;
    }
    .sponsor-card img {
        max-height: 100px;
    }
}