/**
 * Stili principali per il layout degli sponsor
 * Include effetti hover, animazioni e responsive design
 */

/* Container principale */
.sponsors-container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
}

/* Wrapper sezione sponsor */
.sponsor-section-wrapper {
    margin-bottom: 40px;
    opacity: 0; /* Stato iniziale per animazione */
    transform: translateY(20px);
}

/* Titoli delle categorie */
.sponsor-category-title {
    text-align: center;
    margin: 20px 0;
    padding: 10px;
    font-size: 1.5em;
    color: #333;
    text-transform: uppercase;
    letter-spacing: 1px;
    font-weight: 500;
    position: relative;
}

/* Griglia sponsor */
.sponsor-section {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 20px;
    margin-bottom: 20px;
}

/* Singolo item sponsor */
.sponsor-item {
    position: relative;
    display: block;
    overflow: hidden;
    border-radius: 4px;
    background: #fff;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Container interno per effetti hover */
.sponsor-item-inner {
    position: relative;
    width: 100%;
    height: 100%;
    overflow: hidden;
}

/* Immagine sponsor */
.sponsor-image {
    width: 100%;
    height: auto;
    display: block;
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    backface-visibility: hidden;
}

/* Effetti hover */
.sponsor-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
}

.sponsor-item:hover .sponsor-image {
    transform: scale(1.05);
}

/* Overlay hover */
.sponsor-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(255, 255, 255, 0);
    transition: all 0.3s ease;
    z-index: 1;
    pointer-events: none;
}

.sponsor-item:hover::before {
    background: rgba(255, 255, 255, 0.1);
}

/* Layout specifico per categorie */

/* 3 colonne per i Title Sponsor */
.title-sponsor-section .sponsor-item {
    flex: 0 0 calc(33.333% - 15px);
    max-width: calc(33.333% - 15px);
}

/* 4 colonne per le altre sezioni */
.top-sponsor-section .sponsor-item,
.official-sponsor-section .sponsor-item {
    flex: 0 0 calc(25% - 15px);
    max-width: calc(25% - 15px);
}

/* Gestione ultima riga per sponsor dispari */
.sponsor-section::after {
    content: '';
    flex: auto;
    max-width: calc(25% - 15px);
}

/* Media Queries */
@media screen and (max-width: 1024px) {
    .sponsors-container {
        padding: 15px;
    }

    .sponsor-section {
        gap: 15px;
    }
}

@media screen and (max-width: 768px) {
    .sponsor-category-title {
        font-size: 1.3em;
    }

    .title-sponsor-section .sponsor-item {
        flex: 0 0 100%;
        max-width: 100%;
    }

    .top-sponsor-section .sponsor-item,
    .official-sponsor-section .sponsor-item {
        flex: 0 0 calc(50% - 10px);
        max-width: calc(50% - 10px);
    }
}

@media screen and (max-width: 480px) {
    .sponsor-category-title {
        font-size: 1.2em;
        margin: 15px 0;
    }

    .sponsor-section {
        gap: 10px;
    }
    
    .sponsor-item:hover {
        transform: translateY(-3px);
        box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    }
}

/* Animazioni AOS personalizzate */
[data-aos="fade-up"] {
    transform: translateY(30px);
    opacity: 0;
    transition-property: transform, opacity;
}

[data-aos="fade-up"].aos-animate {
    transform: translateY(0);
    opacity: 1;
}