.why-arc-card {
    background: #fff;
    border-radius: 14px;
    padding: 34px 28px 30px;
    border: 1.5px solid #e9edf5;
    box-shadow: 0 4px 18px rgba(0,0,0,.05);
    height: 100%;
    position: relative;
    overflow: hidden;
    transition: transform .32s cubic-bezier(.25,.8,.25,1),
                box-shadow .32s cubic-bezier(.25,.8,.25,1),
                border-color .32s ease;
}
.why-arc-card::before {
    content: '';
    position: absolute;
    inset: 0 0 auto 0;
    height: 4px;
    background: linear-gradient(90deg, #4f46e5 0%, #06b6d4 100%);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform .36s cubic-bezier(.25,.8,.25,1);
    border-radius: 14px 14px 0 0;
}
.why-arc-card:hover {
    transform: translateY(-9px);
    box-shadow: 0 20px 48px rgba(79,70,229,.13);
    border-color: #d0d5f5;
}
.why-arc-card:hover::before {
    transform: scaleX(1);
}
.why-arc-card .arc-card-icon {
    width: 62px;
    height: 62px;
    border-radius: 14px;
    background: #f0f2ff;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 22px;
    transition: background .3s ease, transform .3s ease;
}
.why-arc-card:hover .arc-card-icon {
    background: #e0e4ff;
    transform: scale(1.08);
}
.why-arc-card .arc-card-icon img {
    width: 34px;
    height: 34px;
    object-fit: contain;
}
.why-arc-card h3.arc-card-title {
    font-size: 1.05rem;
    font-weight: 700;
    margin-bottom: 12px;
    color: #1a1f36;
    transition: color .25s ease;
}
.why-arc-card:hover h3.arc-card-title {
    color: #4f46e5;
}
.why-arc-card p.arc-card-text {
    font-size: .9rem;
    line-height: 1.75;
    color: #6b7280;
    margin: 0;
}