.tb-grid{
    display:grid;
    grid-template-columns:repeat(3,1fr);
    gap:14px;
}

/* CARD */
.tb-card{
    position:relative;
    display:block;
    text-decoration:none;
    background:#fff;
    border:1px solid #ededed;
    border-radius:20px;
    padding:22px;
    overflow:hidden;
    transition:all .28s ease;
}

.tb-card:hover{
    transform:translateY(-4px);
    border-color:#d8d8d8;
    box-shadow:0 14px 34px rgba(0,0,0,.06);
}

/* subtle light sweep */
.tb-card::after{
    content:"";
    position:absolute;
    top:0;
    left:-120%;
    width:80%;
    height:100%;
    background:linear-gradient(120deg,transparent,rgba(0,0,0,.03),transparent);
    transition:all .6s ease;
}

.tb-card:hover::after{
    left:120%;
}

.tb-top{
    display:flex;
    align-items:center;
    justify-content:space-between;
    margin-bottom:14px;
}

.tb-icon{
    width:44px;
    height:44px;
    border-radius:14px;
    background:#f6f6f6;
    display:flex;
    align-items:center;
    justify-content:center;
}

.tb-icon img{
    width:20px;
    opacity:.9;
}

/* badge minimal */
.tb-badge{
    font-size:11px;
    font-weight:600;
    color:#888;
    letter-spacing:.6px;
}

/* MAIN TITLE (focus point) */
.tb-title{
    font-size:19px;
    font-weight:700;
    color:#111;
    line-height:1.25;
    margin-bottom:8px;
}

/* SUB */
.tb-sub{
    font-size:13.5px;
    color:#666;
    line-height:1.6;
}

/* CTA */
.tb-cta{
    margin-top:18px;
    display:flex;
    align-items:center;
    justify-content:space-between;
}

.tb-cta span{
    font-size:13px;
    font-weight:600;
    color:#111;
}

.tb-arrow{
    width:32px;
    height:32px;
    border-radius:50%;
    background:#f5f5f5;
    display:flex;
    align-items:center;
    justify-content:center;
    transition:.25s ease;
}

.tb-card:hover .tb-arrow{
    background:#111;
    color:#fff;
    transform:translateX(3px);
}

/* accent line (premium feel) */
.tb-card::before{
    content:"";
    position:absolute;
    top:0;
    left:0;
    width:100%;
    height:3px;
    background:linear-gradient(90deg,#111,#bbb);
}

/* wrapper spacing tighter */
.tb-wrapper{
    max-width:1180px;
    margin:32px auto;
    padding:0 18px;
}

/* mobile */
@media (max-width:768px){
    .tb-grid{
        grid-template-columns:1fr;
        gap:12px;
    }

    .tb-card{
        padding:20px;
    }

    .tb-title{
        font-size:17px;
    }
}