/* Sponsors Section */
.sponsors-section {
    background: var(--white);
    padding: var(--spacing-xxl) 0;
    position: relative;
}

.sponsors-section h2 {
    text-align: center;
    color: var(--primary-blue);
    font-size: 2.5rem;
    font-weight: var(--font-weight-bold);
    margin-bottom: var(--spacing-xxl);
    position: relative;
}

.sponsors-section h2::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-blue), var(--secondary-blue));
    border-radius: 2px;
}

.sponsors-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-lg);
    align-items: center;
}

.sponsor-placeholder {
    background: var(--light-gray);
    border: 2px dashed var(--primary-blue);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xxl);
    text-align: center;
    color: var(--dark-gray);
    transition: all var(--transition-medium);
    min-height: 200px;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.sponsor-placeholder::before {
    content: '🤝';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 4rem;
    opacity: 0.3;
    z-index: 1;
}

.sponsor-placeholder p {
    position: relative;
    z-index: 2;
    font-size: 1.2rem;
    font-weight: var(--font-weight-medium);
    margin: 0;
    max-width: 300px;
}

.sponsor-placeholder:hover {
    background: rgba(30, 58, 95, 0.05);
    border-color: var(--secondary-blue);
    transform: scale(1.02);
}

/* Sponsor Item */
.sponsor-item {
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    text-align: center;
    box-shadow: var(--shadow-light);
    transition: all var(--transition-medium);
    position: relative;
    overflow: hidden;
    min-height: 150px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.sponsor-item:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-medium);
}

.sponsor-item img {
    max-width: 100%;
    max-height: 80px;
    object-fit: contain;
    transition: transform var(--transition-medium);
}

.sponsor-item:hover img {
    transform: scale(1.1);
}

/* Sponsor Tiers */
.sponsor-tiers {
    margin-bottom: var(--spacing-xxl);
}

.tier-section {
    margin-bottom: var(--spacing-xl);
}

.tier-title {
    text-align: center;
    font-size: 1.8rem;
    font-weight: var(--font-weight-bold);
    margin-bottom: var(--spacing-lg);
    position: relative;
    padding-bottom: var(--spacing-sm);
}

.tier-title.platinum {
    color: #A0A0A0;
}

.tier-title.platinum::after {
    background: linear-gradient(90deg, #A0A0A0, #C0C0C0);
}

.tier-title.gold {
    color: #FFD700;
}

.tier-title.gold::after {
    background: linear-gradient(90deg, #FFD700, #FFA500);
}

.tier-title.silver {
    color: #C0C0C0;
}

.tier-title.silver::after {
    background: linear-gradient(90deg, #C0C0C0, #808080);
}

.tier-title.bronze {
    color: #CD7F32;
}

.tier-title.bronze::after {
    background: linear-gradient(90deg, #CD7F32, #A0522D);
}

.tier-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    border-radius: 2px;
}

/* Sponsor Benefits */
.sponsor-benefits {
    background: var(--light-gray);
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    margin-top: var(--spacing-xxl);
}

.sponsor-benefits h3 {
    text-align: center;
    color: var(--primary-blue);
    font-size: 2rem;
    margin-bottom: var(--spacing-lg);
}

.benefits-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-lg);
}

.benefit-item {
    background: var(--white);
    padding: var(--spacing-lg);
    border-radius: var(--radius-md);
    text-align: center;
    box-shadow: var(--shadow-light);
    transition: all var(--transition-medium);
}

.benefit-item:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-medium);
}

.benefit-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--primary-blue), var(--secondary-blue));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--spacing-md);
    transition: all var(--transition-medium);
}

.benefit-icon i {
    color: var(--white);
    font-size: 1.5rem;
}

.benefit-item:hover .benefit-icon {
    transform: scale(1.1) rotate(10deg);
}

.benefit-item h4 {
    color: var(--primary-blue);
    font-size: 1.2rem;
    margin-bottom: var(--spacing-sm);
}

.benefit-item p {
    color: var(--dark-gray);
    font-size: 1rem;
    line-height: 1.6;
    margin: 0;
}

/* Sponsor CTA */
.sponsor-cta {
    text-align: center;
    margin-top: var(--spacing-xxl);
    padding: var(--spacing-xl);
    background: linear-gradient(135deg, var(--primary-blue), var(--secondary-blue));
    border-radius: var(--radius-lg);
    color: var(--white);
}

.sponsor-cta h3 {
    font-size: 2rem;
    margin-bottom: var(--spacing-md);
    color: var(--white);
}

.sponsor-cta p {
    font-size: 1.2rem;
    margin-bottom: var(--spacing-lg);
    opacity: 0.9;
}

.sponsor-cta .btn {
    background: var(--accent-yellow);
    color: var(--dark-gray);
    padding: var(--spacing-md) var(--spacing-xl);
    font-size: 1.1rem;
    font-weight: var(--font-weight-bold);
    text-decoration: none;
    border-radius: var(--radius-lg);
    transition: all var(--transition-medium);
    display: inline-block;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.sponsor-cta .btn:hover {
    background: var(--white);
    color: var(--primary-blue);
    transform: translateY(-3px);
    box-shadow: 0 10px 25px rgba(255, 255, 255, 0.3);
}

/* Responsive Design */
@media (max-width: 992px) {
    .sponsors-grid {
        grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
        gap: var(--spacing-md);
    }
    
    .sponsors-section h2 {
        font-size: 2rem;
    }
    
    .benefits-grid {
        grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    }
    
    .tier-title {
        font-size: 1.5rem;
    }
}

@media (max-width: 768px) {
    .sponsors-section {
        padding: var(--spacing-xl) 0;
    }
    
    .sponsors-grid {
        grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    }
    
    .sponsor-placeholder {
        padding: var(--spacing-lg);
        min-height: 150px;
    }
    
    .sponsor-placeholder p {
        font-size: 1rem;
    }
    
    .sponsors-section h2 {
        font-size: 1.8rem;
        margin-bottom: var(--spacing-lg);
    }
    
    .sponsor-benefits {
        padding: var(--spacing-lg);
    }
    
    .sponsor-benefits h3 {
        font-size: 1.5rem;
    }
    
    .sponsor-cta {
        padding: var(--spacing-lg);
    }
    
    .sponsor-cta h3 {
        font-size: 1.5rem;
    }
    
    .sponsor-cta p {
        font-size: 1rem;
    }
    
    .tier-title {
        font-size: 1.3rem;
    }
}

@media (max-width: 576px) {
    .sponsors-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }
    
    .sponsor-placeholder {
        padding: var(--spacing-md);
        min-height: 120px;
    }
    
    .sponsor-placeholder::before {
        font-size: 3rem;
    }
    
    .sponsor-placeholder p {
        font-size: 0.9rem;
    }
    
    .sponsors-section h2 {
        font-size: 1.5rem;
    }
    
    .benefits-grid {
        grid-template-columns: 1fr;
    }
    
    .benefit-item {
        padding: var(--spacing-md);
    }
    
    .benefit-icon {
        width: 50px;
        height: 50px;
    }
    
    .benefit-icon i {
        font-size: 1.2rem;
    }
    
    .benefit-item h4 {
        font-size: 1rem;
    }
    
    .benefit-item p {
        font-size: 0.9rem;
    }
    
    .sponsor-cta .btn {
        width: 100%;
        max-width: 250px;
    }
    
    .tier-title {
        font-size: 1.2rem;
    }
}

/* Sponsor Loading Animation */
.sponsor-loading {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-lg);
}

.sponsor-skeleton {
    background: var(--light-gray);
    border-radius: var(--radius-lg);
    min-height: 150px;
    position: relative;
    overflow: hidden;
}

.sponsor-skeleton::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.8), transparent);
    animation: loading 1.5s infinite;
}

/* Future Sponsor Slots */
.future-sponsors {
    margin-top: var(--spacing-xl);
    text-align: center;
}

.future-sponsors h4 {
    color: var(--primary-blue);
    font-size: 1.5rem;
    margin-bottom: var(--spacing-lg);
}

.sponsor-slots {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: var(--spacing-md);
}

.sponsor-slot {
    background: rgba(30, 58, 95, 0.05);
    border: 1px dashed var(--primary-blue);
    border-radius: var(--radius-md);
    padding: var(--spacing-lg);
    text-align: center;
    min-height: 100px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-medium);
}

.sponsor-slot:hover {
    background: rgba(30, 58, 95, 0.1);
    transform: scale(1.02);
}

.sponsor-slot p {
    color: var(--primary-blue);
    font-weight: var(--font-weight-medium);
    margin: 0;
    font-size: 0.9rem;
}

/* Animated Elements */
.sponsors-section .animate-item {
    opacity: 0;
    transform: translateY(30px);
    animation: fadeInUp 0.8s ease-out forwards;
}

.sponsors-section .animate-item:nth-child(1) { animation-delay: 0.1s; }
.sponsors-section .animate-item:nth-child(2) { animation-delay: 0.2s; }
.sponsors-section .animate-item:nth-child(3) { animation-delay: 0.3s; }

/* Partnership Levels */
.partnership-info {
    background: var(--white);
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    margin-top: var(--spacing-xl);
    box-shadow: var(--shadow-light);
}

.partnership-info h4 {
    color: var(--primary-blue);
    font-size: 1.5rem;
    margin-bottom: var(--spacing-md);
    text-align: center;
}

.partnership-levels {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-lg);
    margin-top: var(--spacing-lg);
}

.partnership-level {
    text-align: center;
    padding: var(--spacing-lg);
    border-radius: var(--radius-md);
    transition: all var(--transition-medium);
}

.partnership-level.title {
    background: linear-gradient(135deg, #FFD700, #FFA500);
    color: var(--white);
}

.partnership-level.presenting {
    background: linear-gradient(135deg, #A0A0A0, #C0C0C0);
    color: var(--white);
}

.partnership-level.supporting {
    background: linear-gradient(135deg, #CD7F32, #A0522D);
    color: var(--white);
}

.partnership-level:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-medium);
}

.partnership-level h5 {
    font-size: 1.2rem;
    margin-bottom: var(--spacing-sm);
    font-weight: var(--font-weight-bold);
}

.partnership-level p {
    font-size: 0.9rem;
    margin: 0;
    opacity: 0.9;
}