.certificates-section{
    background:#f8fafc;
    border-radius:12px;
}

.certificates-grid{
    display:grid;
    grid-template-columns:repeat(auto-fit,minmax(100px,1fr));
    gap:10px;
    margin-top:30px;
}

.certificate-card{
    background:#fff;
    padding:15px;
    border-radius:10px;
    box-shadow:0 10px 25px rgba(0,0,0,0.08);
    transition:transform .3s ease, box-shadow .3s ease;
}

.certificate-card img{
    width:100%;
    object-fit:fill;
    display:block;
    border-radius:6px;
}

.certificate-card:hover{
    transform:translateY(-6px);
    box-shadow:0 15px 35px rgba(0,0,0,0.15);
}

footer{
    width: 100%;
    background: linear-gradient(135deg, #0f172a, #1e293b);
    color: #e5e7eb;
    margin-top: 60px;
    font-family: 'Poppins', sans-serif;
    -webkit-text-size-adjust: 100%;
}

.footer-container{
    width:90%;
    max-width:1400px;
    margin:0 auto;
}

.footer-top{
    padding:60px 0 50px 0;
    border-bottom:1px solid rgba(255,255,255,0.08);
}

.footer-top .footer-container{
    display:flex;
    justify-content:space-between;
    gap:40px;
    flex-wrap:wrap;
}

.footer-column{
    flex:1;
    min-width:280px;
    text-align:left;
}

.footer-column h3{
    font-size:18px;
    font-weight:600;
    margin-bottom:20px;
    color:#ffffff;
    letter-spacing:0.5px;
}

.footer-column:first-child p{
    text-align: justify;
    line-height: 1.8;
    font-size:14px;
    color:#cbd5e1;
}

.contact-row-footer{
    display:flex;
    gap:15px;
    margin-bottom:14px;
    align-items:flex-start;
}

.contact-row-footer .label{
    min-width:120px;
    font-weight:600;
    color:#94a3b8;
}

.contact-row-footer .value,
.contact-row-footer .emails{
    flex:1;
    color:#e2e8f0;
}

.contact-row-footer .emails{
    display:flex;
    flex-direction:column;
}

.contact-row-footer .emails a{
    color:#38bdf8;
    text-decoration:none;
    transition:0.3s ease;
}

.contact-row-footer .emails a:hover{
    color:#0ea5e9;
}

.social-links{
    display:flex;
    flex-direction:column;
    gap:14px;
    margin-top:10px;
}

.social-links a{
    display:flex;
    align-items:center;
    gap:12px;
    text-decoration:none;
    color:#cbd5e1;
    transition:0.3s ease;
}

.social-links a:hover{
    color:#38bdf8;
    transform:translateX(4px);
}

.social-links i{
    width:38px;
    height:38px;
    display:flex;
    align-items:center;
    justify-content:center;
    border-radius:50%;
    font-size:16px;
    color:white;
}

.social-links a.facebook i{ background:#1877f2; }
.social-links a.instagram i{
    background: radial-gradient(circle at 30% 107%, 
        #fdf497 0%, 
        #fd5949 45%, 
        #d6249f 60%, 
        #285AEB 90%);
}
.social-links a.linkedin i{ background:#0077b5; }
.social-links a.youtube i{ background:#ff0000; }
.social-links a.x-twitter i{background:#0a0a0a;}

.footer-bottom{
    text-align:center;
    padding:18px 0;
    font-size:13px;
    background:#0f172a;
    letter-spacing:0.5px;
    color:#94a3b8;
}

.social-links a {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
    color: #cbd5e1;
    transition: 0.3s ease;
    -webkit-tap-highlight-color: transparent; 
}


#lightbox{
    display:none;
    position:fixed;
    z-index:9999;
    left:0;
    top:0;
    width:100%;
    height:100%;
    background:rgba(0,0,0,0.9);
    align-items:center;
    justify-content:center;
}

#lightbox img{
    max-width:90%;
    max-height:90%;
    border-radius:8px;
    transform:scale(.9);
    transition:transform .3s ease;
}

#lightbox.show img{
    transform:scale(1);
}

.lightbox-close{
    position:absolute;
    top:25px;
    right:40px;
    color:#fff;
    font-size:40px;
    cursor:pointer;
}

.certificate-img{
    cursor:pointer;
}

@media (max-width: 768px) {
    .footer-top {
        padding: 40px 0 30px 0;
    }

    .footer-top .footer-container {
        flex-direction: column; 
        gap: 35px;
        align-items: center; 
        text-align: center;
    }

    .footer-column {
        width: 100%;
        min-width: 100%;
        text-align: center; 
    }

    .footer-column:first-child p {
        text-align: center; 
        max-width: 500px;
        margin: 0 auto;
    }

    .contact-row-footer {
        flex-direction: column; 
        align-items: center;
        gap: 5px;
        margin-bottom: 20px;
    }

    .contact-row-footer .label {
        min-width: auto;
        color: #38bdf8; 
    }

    .social-links {
        flex-direction: row; 
        justify-content: center;
        flex-wrap: wrap;
        gap: 20px;
    }

    .social-links a span {
        display: none; 
    }

    .social-links i {
        width: 45px; 
        height: 45px;
    }
}

@media (max-width: 480px) {
    .footer-bottom {
        padding: 25px 15px; 
        padding-bottom: env(safe-area-inset-bottom, 20px); 
    }
}