body{
    background: linear-gradient(135deg, var(--tsa-navy-blue) 0%, var(--tsa-dark-navy-blue) 100%);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem;
    margin-top: 64px;
}

.header {
    text-align: center;
    margin-bottom: 3rem;
}

.header h1 {
    font-size: 3rem;
    font-weight: 700;
    color: #ddd;
    margin-bottom: 1rem;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.1);
}

.header p {
    font-size: 1.2rem;
    color: #aaa;
    max-width: 600px;
    margin: 0 auto;
}

.sponsors-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

.sponsor-card {
    background: white;
    border-radius: 15px;
    padding: 2rem;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.sponsor-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.4), transparent);
    transition: left 0.5s;
}

.sponsor-card:hover::before {
    left: 100%;
}

.sponsor-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0,0,0,0.15);
}

.sponsor-banner {
    width: 100%;
    height: 120px;
    object-fit: contain;
    border-radius: 8px;
    margin-bottom: 1rem;
    background: #f8f9fa;
    padding: 1rem;
}

.sponsor-info h3 {
    font-size: 1.3rem;
    color: #2c3e50;
    margin-bottom: 0.5rem;
}

.sponsor-info p {
    color: #bbb;
    font-size: 0.9rem;
}

.tier-section {
    margin-bottom: 3rem;
}

.tier-title {
    text-align: center;
    font-size: 2rem;
    color: #ddd;
    margin-bottom: 2rem;
    position: relative;
}

.tier-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 3px;
    background: linear-gradient(45deg, #3498db, #2ecc71);
    border-radius: 2px;
}

.platinum .sponsor-card {
    border: 2px solid #e8e8e8;
}

.cta-section {
    text-align: center;
    background: white;
    padding: 3rem;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
}

.cta-section h2 {
    font-size: 2rem;
    color: #2c3e50;
    margin-bottom: 1rem;
}

.cta-section p {
    color: #7f8c8d;
    margin-bottom: 2rem;
}

.cta-button {
    display: inline-block;
    background: linear-gradient(45deg, #3498db, #2ecc71);
    color: white;
    padding: 1rem 2rem;
    text-decoration: none;
    border-radius: 50px;
    font-weight: 600;
    transition: all 0.3s ease;
    box-shadow: 0 5px 15px rgba(52, 152, 219, 0.3);
}

.cta-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(52, 152, 219, 0.4);
}

@media (max-width: 768px) {
    .container {
        padding: 1rem;
    }

    .header h1 {
        font-size: 2rem;
    }

    .sponsors-grid {
        grid-template-columns: 1fr;
        gap: 1rem;
    }

    .sponsor-card {
        padding: 1.5rem;
    }
}

.loading {
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.6s ease;
}

.loading.loaded {
    opacity: 1;
    transform: translateY(0);
}