.crowdfunding-card {
    position: fixed;
    top: 20px;
    right: 20px;
    max-width: 320px;
    padding: 1.5rem;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border-radius: 15px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
    z-index: 10000;
    opacity: 0;
    transform: translateY(-20px);
    transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    display: none;
}

.crowdfunding-card.show {
    opacity: 1;
    transform: translateY(0);
    display: block;
}

.crowdfunding-card .close-btn {
    position: absolute;
    top: 10px;
    right: 10px;
    width: 24px;
    height: 24px;
    background: rgba(255, 255, 255, 0.2);
    border: none;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
    color: white;
    font-size: 16px;
    line-height: 1;
}

.crowdfunding-card .close-btn:hover {
    background: rgba(255, 255, 255, 0.3);
    transform: scale(1.1);
}

.crowdfunding-card .title {
    font-weight: 700;
    font-size: 1.25rem;
    margin-bottom: 0.5rem;
    color: #ffffff;
    line-height: 1.3;
}

.crowdfunding-card .description {
    margin-bottom: 1.5rem;
    font-size: 0.9rem;
    line-height: 1.5;
    color: rgba(255, 255, 255, 0.9);
}

.crowdfunding-card .actions {
    display: flex;
    justify-content: center;
}

.crowdfunding-card .support-btn {
    font-size: 0.9rem;
    font-weight: 600;
    background: rgba(255, 255, 255, 0.95);
    color: #667eea;
    padding: 0.75rem 1.5rem;
    border-radius: 25px;
    border: none;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
    display: inline-block;
    min-width: 120px;
    text-align: center;
}

.crowdfunding-card .support-btn:hover {
    background: #ffffff;
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.2);
}

/* Responsive */
@media (max-width: 768px) {
    .crowdfunding-card {
        top: 10px;
        right: 10px;
        left: 10px;
        max-width: none;
        margin: 0 auto;
    }
    
    .crowdfunding-card .title {
        font-size: 1.1rem;
    }
    
    .crowdfunding-card .description {
        font-size: 0.85rem;
    }
}