@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@400;500;600;700;800&display=swap');
:root{--blue-700:#1d4ed8;--blue-600:#2563eb;--blue-500:#3b82f6;--blue-300:#93c5fd;--blue-100:#dbeafe;--blue-50:#eff6ff;--gray-900:#111827;--gray-700:#374151;--gray-500:#6b7280;--gray-300:#d1d5db;--gray-100:#f3f4f6;--white:#ffffff;--shadow-sm:0 1px 3px rgba(0,0,0,.08);--shadow-md:0 4px 16px rgba(37,99,235,.12);--shadow-lg:0 8px 32px rgba(37,99,235,.18);--radius:14px;--radius-sm:8px}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:'Plus Jakarta Sans',sans-serif;color:var(--gray-900);background:var(--white);overflow-x:hidden}
img{display:block;max-width:100%}
a{text-decoration:none}

/* BUTTONS */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:.4rem;padding:.6rem 1.5rem;border-radius:var(--radius-sm);font-family:inherit;font-size:.875rem;font-weight:600;cursor:pointer;border:none;transition:all .22s}
.btn-primary{background:var(--blue-600);color:var(--white)}
.btn-primary:hover{background:var(--blue-700);transform:translateY(-2px);box-shadow:var(--shadow-md)}
.btn-outline{background:transparent;color:var(--gray-700);border:1.5px solid var(--gray-300)}
.btn-outline:hover{border-color:var(--blue-600);color:var(--blue-600)}
.btn-sm{padding:.4rem 1rem;font-size:.8rem}
.btn-lg{padding:.8rem 2rem;font-size:1rem}

/* NAVBAR */
nav{position:sticky;top:0;z-index:200;background:var(--white);border-bottom:1px solid var(--gray-100);padding:0 6%;height:68px;display:flex;align-items:center;justify-content:space-between;box-shadow:var(--shadow-sm)}
.nav-logo{font-size:1.45rem;font-weight:800;color:var(--blue-600);letter-spacing:-.5px;display:flex;align-items:center}
.nav-links{display:flex;gap:2rem;list-style:none}
.nav-links a{font-size:.9rem;font-weight:500;color:var(--gray-700);transition:color .2s;position:relative;padding-bottom:2px}
.nav-links a.active,.nav-links a:hover{color:var(--blue-600)}
.nav-links a.active::after{content:'';position:absolute;bottom:-4px;left:0;right:0;height:2px;background:var(--blue-600);border-radius:2px}
.nav-right{display:flex;align-items:center;gap:.75rem}
.hamburger{display:none;flex-direction:column;gap:5px;cursor:pointer;padding:4px;background:none;border:none}
.hamburger span{display:block;width:24px;height:2.5px;background:var(--gray-700);border-radius:2px;transition:all .3s}
.hamburger.open span:nth-child(1){transform:translateY(7.5px) rotate(45deg)}
.hamburger.open span:nth-child(2){opacity:0}
.hamburger.open span:nth-child(3){transform:translateY(-7.5px) rotate(-45deg)}
.mobile-menu{display:none;position:fixed;top:68px;left:0;right:0;bottom:0;background:var(--white);z-index:199;padding:2rem 6%;flex-direction:column;gap:1rem;overflow-y:auto}
.mobile-menu.open{display:flex}
.mobile-menu a{font-size:1.1rem;font-weight:600;color:var(--gray-700);padding:.75rem 0;border-bottom:1px solid var(--gray-100);transition:color .2s}
.mobile-menu a:hover{color:var(--blue-600)}
.mobile-menu .btn{margin-top:1rem;align-self:flex-start}

/* SECTIONS */
.section{padding:5rem 6%}
.section-bg{background:var(--blue-50)}
.section-title{font-size:clamp(1.5rem,3vw,2rem);font-weight:800;text-align:center;margin-bottom:.5rem}
.section-title span{color:var(--blue-600)}
.section-sub{text-align:center;color:var(--gray-500);font-size:.9rem;margin-bottom:3rem}

/* GRIDS */
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:1.25rem}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:1.5rem}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:2rem}
.grid-6{display:grid;grid-template-columns:repeat(6,1fr);gap:1.25rem}

/* CARDS */
.card{background:var(--white);border:1.5px solid var(--gray-100);border-radius:var(--radius);padding:2rem 1.5rem;display:flex;flex-direction:column;align-items:center;gap:.75rem;text-align:center;transition:all .25s}
.card:hover{border-color:var(--blue-300);box-shadow:var(--shadow-lg);transform:translateY(-5px)}
.card-icon{width:60px;height:60px;background:var(--blue-50);border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:1.6rem}
.card h3{font-size:1rem;font-weight:700}
.card p{font-size:.82rem;color:var(--gray-500);line-height:1.6}

/* PROGRAM CARD */
.prog-card{background:var(--white);border:1.5px solid var(--gray-100);border-radius:var(--radius);overflow:hidden;transition:all .25s;display:flex;flex-direction:column}
.prog-card:hover{box-shadow:var(--shadow-lg);transform:translateY(-5px);border-color:var(--blue-300)}
.prog-card .thumb{width:100%;height:175px;object-fit:cover;background:var(--blue-50)}
.prog-card .thumb-placeholder{width:100%;height:175px;background:linear-gradient(135deg,var(--blue-100),var(--blue-50));display:flex;align-items:center;justify-content:center;font-size:3rem}
.prog-card .prog-body{padding:1.25rem;flex:1;display:flex;flex-direction:column;gap:.4rem}
.prog-tag{display:inline-block;padding:.2rem .7rem;border-radius:99px;background:var(--blue-50);color:var(--blue-600);font-size:.72rem;font-weight:700;width:fit-content}
.prog-card h3{font-size:.95rem;font-weight:700;color:var(--gray-900)}
.prog-card p{font-size:.82rem;color:var(--gray-500);line-height:1.6;flex:1}
.prog-card .btn{margin-top:.75rem;align-self:flex-start}

/* STATS BAND */
.stats-band{background:var(--blue-600);padding:3rem 6%;display:grid;grid-template-columns:repeat(4,1fr);text-align:center;gap:2rem}
.stat-item .num{font-size:2.4rem;font-weight:800;color:var(--white);line-height:1}
.stat-item .lbl{font-size:.85rem;color:var(--blue-100);margin-top:4px}

/* TESTIMONIALS */
.testi-card{background:var(--white);border:1.5px solid var(--gray-100);border-radius:var(--radius);padding:1.5rem;display:flex;flex-direction:column;align-items:center;text-align:center;gap:.5rem;transition:all .25s}
.testi-card:hover{box-shadow:var(--shadow-lg);transform:translateY(-4px)}
.testi-avatar{width:64px;height:64px;border-radius:50%;object-fit:cover;border:3px solid var(--blue-100)}
.testi-avatar-placeholder{width:64px;height:64px;border-radius:50%;background:var(--blue-100);display:flex;align-items:center;justify-content:center;font-size:1.4rem;font-weight:700;color:var(--blue-600)}
.testi-name{font-weight:700;font-size:.95rem}
.testi-role{font-size:.78rem;color:var(--blue-600);font-weight:600}
.testi-text{font-size:.82rem;color:var(--gray-500);line-height:1.65;margin-top:.25rem}

/* PARTNER */
.partner-logo{display:flex;flex-direction:column;align-items:center;gap:.5rem;padding:1.25rem 1rem;border:1.5px solid var(--gray-100);border-radius:var(--radius);transition:all .2s;cursor:pointer}
.partner-logo:hover{border-color:var(--blue-300);box-shadow:var(--shadow-md)}
.partner-logo img{width:60px;height:60px;object-fit:contain;filter:grayscale(20%);transition:filter .2s}
.partner-logo:hover img{filter:none}
.partner-logo span{font-size:.72rem;font-weight:700;letter-spacing:.06em;color:var(--blue-600);text-transform:uppercase}
.partner-placeholder{width:60px;height:60px;background:var(--blue-50);border-radius:8px;display:flex;align-items:center;justify-content:center;font-size:1.6rem}

/* BLOG CARD */
.blog-card{background:var(--white);border:1.5px solid var(--gray-100);border-radius:var(--radius);overflow:hidden;transition:all .25s}
.blog-card:hover{box-shadow:var(--shadow-lg);transform:translateY(-4px)}
.blog-card img{width:100%;height:170px;object-fit:cover}
.blog-card .blog-body{padding:1.25rem}
.blog-card h3{font-size:.95rem;font-weight:700;margin-bottom:.4rem}
.blog-card p{font-size:.82rem;color:var(--gray-500);line-height:1.6}
.blog-card .blog-date{font-size:.75rem;color:var(--gray-500);margin-bottom:.5rem}
.blog-card .btn{margin-top:.75rem}

/* COVERAGE TREE */
.tree-wrap{overflow-x:auto}
.division-block{margin-bottom:2rem;border:1.5px solid var(--gray-100);border-radius:var(--radius);overflow:hidden}
.division-header{background:var(--blue-600);color:var(--white);padding:1rem 1.5rem;display:flex;align-items:center;justify-content:space-between;cursor:pointer;user-select:none}
.division-header h3{font-size:1rem;font-weight:700}
.division-toggle{font-size:1.2rem;transition:transform .3s}
.division-block.open .division-toggle{transform:rotate(180deg)}
.districts-wrap{display:none;padding:1.25rem 1.5rem;background:var(--white)}
.division-block.open .districts-wrap{display:block}
.district-item{
    position:relative;
    margin-left:15px;
    padding-left:20px;
    margin-bottom:15px;
    border-left:2px solid #d1d5db;
}

.district-name{
    position:relative;
    font-weight:700;
    font-size:.95rem;
    color:var(--gray-900);
    margin-bottom:8px;
}

.district-name::before{
    content:'';
    position:absolute;
    left:-22px;
    top:11px;
    width:14px;
    height:2px;
    background:#d1d5db;
}

.upazila-tree{
    list-style:none;
    margin:0;
    padding-left:20px;
}

.upazila-tree li{
    position:relative;
    padding:4px 0 4px 18px;
    color:var(--gray-700);
    font-size:.85rem;
}

.upazila-tree li::before{
    content:'';
    position:absolute;
    left:0;
    top:14px;
    width:12px;
    height:1px;
    background:#cbd5e1;
}

.upazila-tree li::after{
    content:'';
    position:absolute;
    left:0;
    top:-5px;
    width:1px;
    height:24px;
    background:#cbd5e1;
}

.upazila-tree li:last-child::after{
    height:19px;
}
/* CONTACT FORM */
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:4rem;align-items:start}
.contact-form-wrap{background:var(--white);border:1.5px solid var(--gray-100);border-radius:var(--radius);padding:2rem}
.form-group{display:flex;flex-direction:column;gap:.4rem;margin-bottom:1.25rem}
.form-group label{font-size:.875rem;font-weight:600;color:var(--gray-700)}
.form-group input,.form-group textarea{padding:.65rem .9rem;border:1.5px solid var(--gray-300);border-radius:var(--radius-sm);font-family:inherit;font-size:.9rem;transition:border-color .2s;outline:none}
.form-group input:focus,.form-group textarea:focus{border-color:var(--blue-600)}
.form-group textarea{min-height:130px;resize:vertical}
.alert{padding:.75rem 1rem;border-radius:var(--radius-sm);font-size:.875rem;margin-bottom:1.25rem}
.alert-success{background:#d1fae5;color:#065f46}
.alert-error{background:#fee2e2;color:#991b1b}
.contact-info-block{display:flex;flex-direction:column;gap:1.5rem}
.info-item{display:flex;gap:1rem;align-items:flex-start}
.info-icon{width:44px;height:44px;background:var(--blue-50);border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:1.2rem;flex-shrink:0}
.info-item h4{font-size:.9rem;font-weight:700;margin-bottom:.2rem}
.info-item p{font-size:.85rem;color:var(--gray-500)}

/* FOOTER */
footer{background:var(--gray-100);border-top:1px solid var(--gray-300);padding:4rem 6% 2rem}
.footer-grid{display:grid;grid-template-columns:2fr 1.5fr 1fr 1.5fr;gap:2.5rem;margin-bottom:3rem}
.footer-brand .logo{font-size:1.3rem;font-weight:800;color:var(--blue-600);margin-bottom:.5rem}
.footer-brand p{font-size:.82rem;color:var(--gray-500);line-height:1.7;max-width:200px}
.footer-col h4{font-size:.875rem;font-weight:700;margin-bottom:1rem}
.footer-col ul{list-style:none;display:flex;flex-direction:column;gap:.5rem}
.footer-col ul li a{font-size:.82rem;color:var(--gray-500);transition:color .2s}
.footer-col ul li a:hover{color:var(--blue-600)}
.footer-bottom{border-top:1px solid var(--gray-300);padding-top:1.5rem;display:flex;align-items:center;justify-content:space-between}
.footer-bottom p{font-size:.8rem;color:var(--gray-500)}
.social-links{display:flex;gap:.6rem}
.social-links a{width:36px;height:36px;background:var(--white);border:1.5px solid var(--gray-300);border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:.9rem;color:var(--gray-700);transition:all .2s}
.social-links a:hover{background:var(--blue-600);border-color:var(--blue-600);color:var(--white)}

/* ANIMATIONS */
@keyframes fadeUp{from{opacity:0;transform:translateY(28px)}to{opacity:1;transform:translateY(0)}}
.fade-in{opacity:0;transform:translateY(20px);transition:opacity .6s ease,transform .6s ease}
.fade-in.visible{opacity:1;transform:translateY(0)}

/* RESPONSIVE */
@media(max-width:1024px){.grid-4{grid-template-columns:repeat(2,1fr)}.grid-6{grid-template-columns:repeat(3,1fr)}.footer-grid{grid-template-columns:1fr 1fr}.stats-band{grid-template-columns:repeat(2,1fr)}}
@media(max-width:768px){.nav-links,.nav-right .btn{display:none}.hamburger{display:flex}.grid-3{grid-template-columns:1fr}.grid-2{grid-template-columns:1fr}.contact-grid{grid-template-columns:1fr}.section{padding:3.5rem 5%}.footer-grid{grid-template-columns:1fr}.footer-bottom{flex-direction:column;gap:1rem;text-align:center}}
@media(max-width:480px){.grid-4{grid-template-columns:1fr}.grid-6{grid-template-columns:repeat(2,1fr)}}