.section-heading{
    text-align:center;
    margin-bottom:50px;
}

.section-heading h2{
    font-size:40px;
    margin-bottom:10px;
}

.section-heading p{
    color:#666;
}

.sec-sub-title{
    font-family:'Raleway',sans-serif;
    font-size:23px !important;
    font-weight:800 !important;
    color:#8ebb30;
}

/* =========================
   Certificate Grid
========================= */

.certificate-grid{
    display:grid;
    grid-template-columns:repeat(4,1fr);
    gap:30px;
}

.certificate-card{
    background:#fff;
    border-radius:12px;
    padding:25px 20px;
    text-align:center;
    box-shadow:0 10px 30px rgba(0,0,0,.08);
    display:flex;
    flex-direction:column;
    justify-content:space-between;
    min-height:480px;
    transition:.3s;
}

.certificate-card:hover{
    transform:translateY(-8px);
}

.certificate-icon{
    height:220px;
    display:flex;
    align-items:center;
    justify-content:center;
    margin-bottom:20px;
}

.certificate-icon img{
    width:100%;
    max-width:220px;
    height:200px;
    object-fit:contain;
}

.certificate-card h3{
    font-size:20px;
    font-weight:700;
    line-height:1.4;
    min-height:60px;
    margin:15px 0 20px;
}

.cert-btn{
    border:none;
    padding:18px 20px;
    background:#8EBB30;
    color:#fff;
    font-size:17px;
    font-weight:700;
    border-radius:10px;
    transition:.3s;
}

.cert-btn:hover{
    background:#333333;
    color:#fff;
}

/* =========================
   Large Laptop
========================= */

@media (max-width:1200px){

    .certificate-grid{
        grid-template-columns:repeat(3,1fr);
    }

}

/* =========================
   Tablet
========================= */

@media (max-width:992px){

    .certificate-grid{
        grid-template-columns:repeat(2,1fr);
        gap:25px;
    }

    .certificate-card{
        min-height:450px;
    }

    .certificate-icon{
        height:190px;
    }

    .certificate-icon img{
        height:170px;
    }

}

/* =========================
   Mobile
========================= */

@media (max-width:767px){

    .section-heading h2{
        font-size:30px;
    }

    .section-heading p{
        font-size:15px;
    }

    .certificate-grid{
        grid-template-columns:1fr;
        gap:20px;
    }

    .certificate-card{
        min-height:auto;
        padding:20px;
    }

    .certificate-icon{
        height:170px;
    }

    .certificate-icon img{
        max-width:180px;
        height:150px;
    }

    .certificate-card h3{
        font-size:18px;
        min-height:auto;
    }

    .cert-btn{
        width:100%;
        padding:15px;
        font-size:16px;
    }

}

/* =========================
   Small Mobile
========================= */

@media (max-width:480px){

    .section-heading h2{
        font-size:26px;
    }

    .certificate-icon{
        height:150px;
    }

    .certificate-icon img{
        max-width:150px;
        height:130px;
    }

    .certificate-card{
        padding:18px;
    }

}