@import url("https://fonts.googleapis.com/css2?family=Noto+Sans+Bengali:wght@300;400;500;600;700;800&family=Noto+Serif+Bengali:wght@400;600;700;800&display=swap");
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:"Noto Sans Bengali","Noto Sans Assamese","Noto Sans",system-ui,sans-serif;color:#17352a;background:#fff;line-height:1.7}.wrap{width:min(1120px,92%);margin:auto}.topbar{position:sticky;top:0;z-index:20;background:rgba(255,255,255,.96);border-bottom:1px solid #dcebe3;backdrop-filter:blur(10px)}.nav{min-height:76px;display:flex;align-items:center;justify-content:space-between;gap:20px}.brand{display:flex;align-items:center;gap:12px;color:#0b6b43;text-decoration:none}.brand img{width:52px;height:52px;object-fit:contain;border-radius:10px}.brand strong{display:block;font-size:1.3rem}.brand span{display:block;font-size:.78rem;color:#5b756a}.links{display:flex;gap:18px;align-items:center}.links a{color:#23493b;text-decoration:none;font-weight:600;font-size:.95rem}.links a:hover{color:#0b6b43}.menu{display:none;border:0;background:#0b6b43;color:#fff;border-radius:8px;padding:8px 12px;font-size:20px}.hero{padding:80px 0 90px;background:linear-gradient(180deg,#f3fbf7 0%,#fff 100%);position:relative;overflow:hidden}.hero:after{content:"";position:absolute;left:-10%;right:-10%;bottom:-110px;height:240px;background:#e5f4ec;border-radius:50% 50% 0 0/70% 70% 0 0}.hero-grid{position:relative;z-index:1;display:grid;grid-template-columns:1.35fr .65fr;align-items:center;gap:60px}.eyebrow{color:#0b6b43;font-weight:800;letter-spacing:.02em}.hero h1{font-size:clamp(3rem,8vw,6rem);line-height:1.05;margin:8px 0 18px;color:#0b6b43}.hero p{font-size:1.08rem;max-width:650px;color:#46645a}.actions{display:flex;gap:12px;margin-top:28px}.btn{display:inline-block;padding:11px 20px;background:#0b6b43;color:#fff;text-decoration:none;border-radius:9px;font-weight:700}.btn.outline{background:#fff;color:#0b6b43;border:1px solid #0b6b43}.logo-card{background:#fff;border:1px solid #d9ebe2;border-radius:22px;padding:25px;text-align:center;box-shadow:0 20px 50px rgba(11,107,67,.1)}.logo-card img{width:100%;max-width:280px;aspect-ratio:1/1;object-fit:contain}.logo-card span{display:block;margin-top:8px;color:#6c8178;font-size:.9rem}.section{padding:75px 0}.soft{background:#f7fbf9}.section-head span{color:#0b6b43;font-weight:800;font-size:.8rem;letter-spacing:.14em}.section-head h2{font-size:2.2rem;margin:2px 0 20px;color:#123e2e}.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.card{background:#fff;border:1px solid #dcebe3;border-radius:16px;padding:24px;box-shadow:0 8px 24px rgba(20,70,50,.05)}.leader{display:flex;align-items:center;gap:16px}.leader img{width:78px;height:78px;border-radius:50%;object-fit:cover;background:#e7f3ed}.leader h3{margin:0 0 2px}.leader p{margin:0;color:#5d746b}.gallery{display:grid;grid-template-columns:repeat(4,1fr);gap:15px}.gallery img{width:100%;aspect-ratio:1/1;object-fit:cover;border-radius:13px;border:1px solid #dcebe3}.notice-list{display:grid;gap:12px}.notice{border-left:4px solid #0b6b43;background:#f7fbf9;padding:14px 18px;border-radius:8px}.notice h3{margin:0 0 4px}.notice small{color:#6b7d75}.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px}.contact-grid>div{background:#fff;border:1px solid #dcebe3;border-radius:14px;padding:22px}footer{padding:25px 0;background:#083f2b;color:#dff1e8}footer a{color:#fff}.empty{padding:20px;border:1px dashed #bfd9cc;border-radius:12px;color:#71877d;text-align:center}@media(max-width:800px){.menu{display:block}.links{display:none;position:absolute;left:4%;right:4%;top:70px;background:#fff;border:1px solid #dcebe3;border-radius:12px;padding:14px;flex-direction:column;align-items:flex-start;box-shadow:0 15px 30px rgba(0,0,0,.08)}.links.show{display:flex}.hero-grid{grid-template-columns:1fr}.cards{grid-template-columns:1fr}.gallery{grid-template-columns:repeat(2,1fr)}.contact-grid{grid-template-columns:1fr}.hero{padding-top:55px}.logo-card{max-width:360px;margin:auto}}

/* Assamese typography: Noto Sans Bengali provides excellent Assamese glyph coverage. */
body,button,input,textarea,select{font-family:"Noto Sans Bengali","Noto Sans Assamese","Noto Sans",system-ui,sans-serif}.hero h1,.section-head h2,.brand strong,h1,h2,h3{font-family:"Noto Serif Bengali","Noto Sans Bengali","Noto Sans Assamese",serif,sans-serif}

/* Gallery tap-to-enlarge lightbox */
#galleryGrid img.gallery-photo{cursor:zoom-in;transition:transform .18s ease,box-shadow .18s ease}
#galleryGrid img.gallery-photo:hover,#galleryGrid img.gallery-photo:focus{transform:scale(1.025);box-shadow:0 8px 25px rgba(0,0,0,.18);outline:2px solid #0b6b43;outline-offset:2px}
.gallery-lightbox{position:fixed;inset:0;z-index:9999;background:rgba(0,0,0,.88);display:none;align-items:center;justify-content:center;flex-direction:column;padding:55px 18px 24px}
.gallery-lightbox.open{display:flex}
.gallery-lightbox>img{display:block;max-width:min(94vw,1400px);max-height:82vh;width:auto;height:auto;object-fit:contain;border-radius:8px;box-shadow:0 10px 40px rgba(0,0,0,.4)}
.gallery-lightbox>p{color:#fff;margin:12px 0 0;text-align:center}
.gallery-lightbox-close{position:absolute;top:12px;right:18px;border:0;border-radius:50%;width:44px;height:44px;font-size:32px;line-height:1;background:#fff;color:#17352a;cursor:pointer}