/* Ratulia Palli Bikash Kendra - soft theme */
:root{--bg:#eef3f1;--card:#fffdf9;--p:#5b9a8b;--pd:#3d7468;--ink:#34444a;--acc:#e8a87c;--accd:#8a5a3a;--soft:#e6f0ec;--sand:#f8efe4;--line:#d5e3de}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font:17px/1.7 'Nunito','Segoe UI',Arial,sans-serif;color:var(--ink);background:var(--bg)}
h1,h2,h3{font-family:'Playfair Display',Georgia,'Times New Roman',serif}
img{max-width:100%;display:block}
a{color:var(--pd);text-decoration:none}a:hover{color:var(--accd)}
.site{max-width:1320px;margin:0 auto;background:var(--card);box-shadow:0 4px 40px rgba(61,116,104,.15)}
/* header with logo */
.brand{background:linear-gradient(115deg,var(--sand),var(--soft));padding:22px 40px;display:flex;align-items:center;justify-content:center;gap:22px;border-bottom:1px solid var(--line)}
.brand img{width:96px;height:96px;flex:none}
.brand h1{margin:0;font-size:clamp(1.6rem,4.2vw,2.8rem);line-height:1.15;color:var(--pd);letter-spacing:.3px}
.brand p{margin:4px 0 0;color:var(--accd);font-weight:600;font-size:clamp(.8rem,1.6vw,1rem)}
/* nav */
.nav{background:var(--card);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:50;box-shadow:0 2px 8px rgba(0,0,0,.05)}
.nav input{display:none}
.nav label{display:none;font-weight:700;padding:12px 18px;cursor:pointer;color:var(--pd)}
.nav>ul{list-style:none;margin:0;padding:12px 20px;display:flex;flex-wrap:wrap;gap:10px;justify-content:center}
.nav a{display:block;background:var(--soft);color:var(--pd);font-weight:700;font-size:.95rem;padding:8px 26px;border-radius:24px;transition:.2s}
.nav a:hover{background:var(--acc);color:#fff}.nav a.on{background:var(--pd);color:#fff}
@media(max-width:760px){.brand{flex-direction:column;text-align:center;padding:18px}.brand img{width:76px;height:76px}
 .nav label{display:block}.nav>ul{display:none;flex-direction:column;padding-top:0}.nav input:checked~ul{display:flex}.nav a{text-align:center}}
/* slider */
.slider{position:relative;aspect-ratio:3/1;min-height:200px;overflow:hidden;background:var(--soft)}
.slide{position:absolute;inset:0;opacity:0;transition:opacity .9s;margin:0}
.slide.active{opacity:1;z-index:1}
.slide img{width:100%;height:100%;object-fit:cover}
.slide figcaption{position:absolute;left:0;right:0;bottom:0;padding:34px 40px 20px;color:#fff;font:600 clamp(1rem,2.4vw,1.6rem) 'Playfair Display',Georgia,serif;background:linear-gradient(transparent,rgba(35,70,64,.75))}
.sl-btn{position:absolute;top:50%;z-index:3;transform:translateY(-50%);border:0;width:44px;height:44px;border-radius:50%;background:rgba(255,253,249,.8);color:var(--pd);font-size:24px;cursor:pointer}
.sl-btn:hover{background:var(--acc);color:#fff}.sl-prev{left:16px}.sl-next{right:16px}
.dots{position:absolute;z-index:3;right:22px;bottom:16px;display:flex;gap:8px}
.dots button{width:11px;height:11px;border-radius:50%;border:2px solid #fff;background:transparent;padding:0;cursor:pointer}
.dots button.on{background:#fff}
.pagehead{background:linear-gradient(100deg,var(--soft),var(--sand));color:var(--pd);padding:30px 40px;border-bottom:1px solid var(--line)}
.pagehead h2{margin:0;font-size:clamp(1.5rem,4vw,2.2rem)}
.pagehead h2:after{content:"";display:block;width:60px;height:4px;border-radius:2px;background:var(--acc);margin-top:8px}
main{padding:40px}
h2.t,h3.t{color:var(--pd);margin:1.5em 0 .5em}
main>h2.t:first-child{margin-top:0}
h3.t{font-size:1.2rem}
.lead{text-align:justify;line-height:1.85}
.stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(170px,1fr));gap:18px;margin:30px 0}
.stat{background:var(--sand);border-radius:14px;padding:20px;text-align:center;border-bottom:4px solid var(--acc)}
.stat b{display:block;font:700 2.3rem 'Playfair Display',Georgia,serif;color:var(--pd)}.stat span{font-size:.9rem}
.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:22px}
.card{border:1px solid var(--line);border-radius:14px;padding:22px;background:#fff;transition:.25s;color:var(--ink)}
.card:hover{transform:translateY(-4px);box-shadow:0 10px 24px rgba(61,116,104,.18);border-color:var(--p);color:var(--ink)}
.card h3{margin:0 0 6px;color:var(--pd);font-size:1.15rem}.card p{margin:0;font-size:.95rem}
ul.tick{padding-left:0;list-style:none}
ul.tick li{padding:4px 0 4px 28px;position:relative}
ul.tick li:before{content:"\2714";color:var(--p);position:absolute;left:0}
.toc{display:flex;flex-wrap:wrap;gap:8px;margin:0 0 14px;padding:0;list-style:none}
.toc a{display:block;background:var(--soft);border-radius:18px;padding:4px 14px;font-size:.85rem;font-weight:700}
.toc a:hover{background:var(--acc);color:#fff}
.tablewrap{overflow-x:auto}
table.data{border-collapse:collapse;width:100%;font-size:.95rem}
table.data th{background:var(--p);color:#fff;text-align:left}
table.data th,table.data td{padding:10px 14px;border:1px solid var(--line)}
table.data tr:nth-child(even) td{background:var(--soft)}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:18px}
.grid a{display:block;overflow:hidden;border-radius:12px;aspect-ratio:3/2;position:relative;box-shadow:0 2px 10px rgba(0,0,0,.1)}
.grid img{width:100%;height:100%;object-fit:cover;transition:transform .35s}
.grid a:hover img{transform:scale(1.08)}
.grid a:after{content:"\1F50D";position:absolute;right:10px;bottom:10px;background:rgba(255,253,249,.9);border-radius:50%;width:34px;height:34px;display:grid;place-items:center;font-size:15px;opacity:0;transition:.2s}
.grid a:hover:after{opacity:1}
.lb{position:fixed;inset:0;z-index:999;background:rgba(30,50,48,.92);display:none;align-items:center;justify-content:center;flex-direction:column}
.lb.open{display:flex}
.lb img{max-width:92vw;max-height:80vh;border-radius:10px;box-shadow:0 0 30px rgba(0,0,0,.5)}
.lb p{color:#fff;margin:12px 0 0;text-align:center;padding:0 50px}
.lb button{position:absolute;border:0;background:rgba(255,255,255,.18);color:#fff;font-size:28px;width:48px;height:48px;border-radius:50%;cursor:pointer}
.lb button:hover{background:var(--acc)}
.lb .x{top:16px;right:16px}.lb .p{left:14px;top:50%}.lb .n{right:14px;top:50%}
.cwrap{display:grid;grid-template-columns:1fr 1.5fr;gap:36px}
@media(max-width:860px){.cwrap{grid-template-columns:1fr}main{padding:22px}}
.info{background:var(--sand);border-left:5px solid var(--acc);padding:22px 24px;border-radius:12px}
.info p{margin:.5em 0}
form label{display:block;font-weight:700;margin:14px 0 4px;font-size:.92rem;color:var(--pd)}
form input,form textarea{width:100%;padding:12px 14px;border:1px solid var(--line);border-radius:10px;font:inherit;background:#fff}
form input:focus,form textarea:focus{outline:2px solid var(--p);border-color:var(--p)}
form textarea{min-height:150px;resize:vertical}
.btn{margin-top:18px;background:var(--pd);color:#fff;border:0;border-radius:26px;padding:12px 36px;font:700 1rem 'Nunito',sans-serif;cursor:pointer}
.btn:hover{background:var(--acc)}.btn[disabled]{opacity:.6;cursor:wait}
.hp{position:absolute;left:-9999px}
.msg{display:none;margin-top:14px;padding:12px 14px;border-radius:10px;font-weight:700}
.msg.ok{display:block;background:#e3f2ea;color:#2d6a4f;border:1px solid #b5dac6}
.msg.err{display:block;background:#fbe9e4;color:#a0482e;border:1px solid #efc2b4}
footer{background:var(--soft);color:var(--pd);text-align:center;font-weight:600;padding:18px 12px;font-size:.95rem;border-top:1px solid var(--line)}
/* dropdown */
.has-sub{position:relative}
.nav .sub{list-style:none;margin:0;padding:8px;display:none;position:absolute;top:100%;left:0;min-width:280px;background:var(--card);border:1px solid var(--line);border-radius:14px;box-shadow:0 10px 28px rgba(61,116,104,.22);z-index:60;flex-direction:column;gap:2px}
.has-sub:hover .sub,.has-sub:focus-within .sub{display:flex}
.nav .sub a{background:transparent;border-radius:8px;padding:7px 14px;font-weight:600;font-size:.92rem}
.nav .sub a:hover{background:var(--soft);color:var(--pd)}.nav .sub a.on{background:var(--soft);color:var(--pd)}
@media(max-width:760px){.nav .sub{display:flex;position:static;box-shadow:none;border:0;padding:0 0 0 14px;min-width:0;background:transparent}
 .nav .sub a{text-align:left;font-size:.88rem}}