@font-face {
    font-family: 'IRANSans';
    src: url('/static/fonts/IRANSans.ttf') format('truetype');
    font-weight: normal;
    font-style: normal;
}

:root{
    --primary:#4f8f2f;
    --primary-dark:#2f5d1a;
    --secondary:#eaf6e6;
    --dark:#16311b;
    --text:#1f2937;
    --muted:#6b7280;
    --light:#f8faf8;
    --white:#ffffff;
    --border:#e5e7eb;
    --shadow:0 12px 30px rgba(0,0,0,.08);
    --shadow-hover:0 18px 40px rgba(0,0,0,.12);
    --radius:24px;
}

*{
    box-sizing:border-box;
}

body{
    font-family:'IRANSans',sans-serif;
    background:linear-gradient(180deg,#ffffff 0%, #f7faf7 100%);
    color:var(--text);
    line-height:1.8;
    overflow-x:hidden;
}

a{
    text-decoration:none;
}

img{
    max-width:100%;
}

.btn-lg {
  font-size: 0.95rem;
}

.logo-text{
    color:var(--primary)!important;
    font-size:1.8rem;
    font-weight:900;
    letter-spacing:-0.03em;
}

.navbar{
    border-bottom:1px solid rgba(0,0,0,.04);
}

.nav-link{
    color:var(--text)!important;
    font-weight:500;
    transition:.3s;
}

.nav-link:hover{
    color:var(--primary)!important;
}

.footer{
    position: relative;
    background:
        radial-gradient(circle at top right, rgba(79, 143, 47, 0.10), transparent 28%),
        radial-gradient(circle at bottom left, rgba(79, 143, 47, 0.06), transparent 24%),
        linear-gradient(180deg, #ffffff 0%, #f4f8f4 100%);
    color: var(--text);
    border-top: 1px solid rgba(79, 143, 47, 0.10);
    margin-top: 2rem;
}

.footer::before{
    content:"";
    position:absolute;
    inset:0;
    background:
        linear-gradient(135deg, rgba(255,255,255,.7), rgba(255,255,255,0));
    pointer-events:none;
}

.footer .container{
    position: relative;
    z-index: 1;
}

.footer-brand-card,
.footer-col{
    background: rgba(255,255,255,.78);
    border: 1px solid rgba(79, 143, 47, 0.10);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    padding: 1.5rem;
    height: 100%;
    transition: .3s ease;
}

.footer-brand-card:hover,
.footer-col:hover{
    box-shadow: var(--shadow-hover);
    transform: translateY(-2px);
}

.footer-brand,
.footer-title{
    color: var(--dark);
    font-weight: 900;
    letter-spacing: -0.02em;
    margin-bottom: 1rem;
}

.footer-brand{
    font-size: 1.8rem;
    color: var(--primary);
}

.footer-title{
    font-size: 1.15rem;
    position: relative;
    padding-bottom: .6rem;
}

.footer-title::after{
    content:"";
    position:absolute;
    right:0;
    bottom:0;
    width:48px;
    height:3px;
    border-radius:999px;
    background: linear-gradient(90deg, var(--primary), var(--primary-dark));
}

.footer-text,
.cert-note,
.footer-contact li,
.footer-bottom p{
    font-size: 0.75rem;
    color: var(--muted);
    line-height: 1.9;
    margin-bottom: 0;
}

.footer-text{
    margin-top: .5rem;
}

.footer-socials{
    display:flex;
    flex-wrap:wrap;
    gap:.7rem;
    margin-top:1.2rem;
}

.social-link{
    width:42px;
    height:42px;
    display:grid;
    place-items:center;
    border-radius: 14px;
    background: var(--secondary);
    color: var(--primary-dark);
    border: 1px solid rgba(79, 143, 47, 0.12);
    text-decoration:none;
    font-weight:800;
    transition:.25s ease;
}

.social-link:hover{
    background: var(--primary);
    color:#fff;
    transform: translateY(-2px);
    box-shadow: var(--shadow);
}

.footer-links,
.footer-contact{
    list-style:none;
    padding:0;
    margin:0;
}

.footer-links li{
    margin-bottom: 12px;
}

.footer-links a,
.footer-contact a{
    color: var(--text);
    text-decoration:none;
    transition:.25s ease;
    font-weight:500;
}

.footer-links a:hover,
.footer-contact a:hover{
    color: var(--primary);
    padding-right: 4px;
}

.footer-contact li{
    margin-bottom: 14px;
    display:flex;
    flex-direction:column;
    gap:.2rem;
}

.contact-label{
    color: var(--dark);
    font-weight:700;
}

.certificates-section{
    padding: 1.5rem;
}

.cert-grid{
    display:grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: .85rem;
    margin-top: .25rem;
}

.cert-grid a img {
    display: block;
    width: 100%;
    height: 110px;
    object-fit: contain;
}
.cert-grid a {
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 16px;
    background: linear-gradient(180deg, #fff, #f8fbf8);
    border: 1px solid rgba(79, 143, 47, 0.12);
    padding: 0.5rem;
    transition: .25s ease;
    box-shadow: 0 8px 18px rgba(0,0,0,.04);
}

.cert-badge{
    display:flex;
    align-items:center;
    gap:.65rem;
    padding:.8rem .85rem;
    border-radius: 16px;
    background: linear-gradient(180deg, #fff, #f8fbf8);
    border: 1px solid rgba(79, 143, 47, 0.12);
    color: var(--dark);
    text-decoration:none;
    font-weight:800;
    transition: .25s ease;
    box-shadow: 0 8px 18px rgba(0,0,0,.04);
}

.cert-badge:hover{
    transform: translateY(-2px);
    border-color: rgba(79, 143, 47, 0.22);
    background: var(--secondary);
    color: var(--primary-dark);
}

.cert-icon{
    width: 28px;
    height: 28px;
    display:grid;
    place-items:center;
    border-radius: 10px;
    background: rgba(79, 143, 47, 0.12);
    color: var(--primary-dark);
    font-size:.9rem;
    flex:0 0 auto;
}

.footer-bottom{
    border-top: 1px solid rgba(79, 143, 47, 0.10);
}

.footer-bottom-links{
    display:flex;
    align-items:center;
    gap:.7rem;
    flex-wrap:wrap;
}

.footer-bottom-links a{
    color: var(--muted);
    text-decoration:none;
    transition:.25s ease;
}

.footer-bottom-links a:hover{
    color: var(--primary);
}

@media (max-width: 991px){
    .cert-grid{
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 767px){
    .footer-brand-card,
    .footer-col{
        padding: 1.25rem;
        border-radius: 20px;
    }

    .footer-bottom{
        text-align:center;
    }

    .footer-bottom-links{
        justify-content:center;
    }
}

@media (max-width: 575px){
    .cert-grid{
        grid-template-columns: 1fr;
    }
}