/* --- PAGE HERO --- */
.page-hero {
    background: var(--primary-color);
    color: var(--white);
    text-align: center;
    padding: 80px 20px;
}
.page-hero h1 { font-family: var(--font-heading); font-size: 2.8rem; margin-bottom: 15px; }
.page-hero p { font-size: 1.2rem; opacity: 0.9; max-width: 700px; margin: 0 auto; }

.section-subtitle {
    text-align: center;
    color: var(--text-light);
    max-width: 700px;
    margin: -30px auto 50px;
    font-size: 1.1rem;
}

/* --- PARTNER GRID --- */
.partner-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: 30px;
    justify-items: center;
}

/* Griglia più grande per i partner istituzionali */
.partner-grid-large {
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 40px;
}

/* --- PARTNER CARD --- */
.partner-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    width: 100%;
    padding: 30px 20px;
    background: var(--white);
    border-radius: 12px;
    border: 1px solid #e5e7eb;
    text-decoration: none;
    color: inherit;
    transition: all 0.3s ease;
}

.partner-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0,0,0,0.08);
    border-color: var(--primary-color);
}

/* --- LOGO PLACEHOLDER (Sostituire con <img> reale) --- */
.partner-logo-placeholder {
    width: 160px;
    height: 100px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
    background: #f9fafb;
    border-radius: 8px;
    border: 1px dashed #d1d5db;
    color: #9ca3af;
    font-weight: 700;
    font-size: 0.9rem;
    text-align: center;
    line-height: 1.2;
    transition: all 0.3s ease;
    
    /* Effetto Scala di grigi di default */
    filter: grayscale(100%);
    opacity: 0.7;
}

/* Quando si passa il mouse sulla card, il logo diventa a colori e opaco */
.partner-card:hover .partner-logo-placeholder {
    filter: grayscale(0%);
    opacity: 1;
    border-color: var(--primary-color);
    color: var(--primary-color);
    background: #eff6ff;
}

/* Se usi immagini reali, applica questo alla classe img dentro la card:
   .partner-card img {
       max-width: 160px;
       max-height: 100px;
       object-fit: contain;
       filter: grayscale(100%);
       opacity: 0.7;
       transition: all 0.3s ease;
   }
   .partner-card:hover img {
       filter: grayscale(0%);
       opacity: 1;
   }
*/

.partner-name {
    font-family: var(--font-heading);
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-dark);
    transition: color 0.3s ease;
}

.partner-card:hover .partner-name {
    color: var(--primary-color);
}

/* --- RESPONSIVE --- */
@media (max-width: 768px) {
    .page-hero h1 { font-size: 2rem; }
    .partner-grid { grid-template-columns: repeat(auto-fill, minmax(160px, 1fr)); gap: 20px; }
    .partner-grid-large { grid-template-columns: 1fr; }
    .partner-logo-placeholder { width: 120px; height: 80px; font-size: 0.8rem; }
}