.cause-filter-btn {
    background: #fff;
    color: var(--text-dark);
    border: 2px solid var(--border);
    border-radius: 25px;
    padding: 8px 20px;
    font-size: 0.88rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.25s;
}
.cause-filter-btn:hover,
.cause-filter-btn.active {
    background: var(--primary);
    color: #fff;
    border-color: var(--primary);
}
.cause-card-new {
    background: #fff;
    border-radius: 16px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.07);
    overflow: hidden;
    transition: all 0.3s;
    height: 100%;
}
.cause-card-new:hover {
    transform: translateY(-6px);
    box-shadow: 0 16px 40px rgba(0,0,0,0.13);
}
.cause-card-new:hover img {
    transform: scale(1.05);
}
.btn-cause-donate {
    display: block;
    width: 100%;
    background: var(--primary);
    color: #fff;
    border: none;
    border-radius: 8px;
    padding: 9px;
    font-size: 0.85rem;
    font-weight: 700;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s;
    text-decoration: none;
}
.btn-cause-donate:hover {
    background: var(--primary-dark);
    color: #fff;
    transform: translateY(-1px);
}