/* ===== SITE HEADER ===== */
.sbh,.sbh-space,.sbh-drawer{--scrub:#0b3b34;--scrub2:#145449;--scrub3:#1d6b5c;--brass:#b8893f;--brass-l:#e2c38a;--ink:#10241f;--soft:#9fb8ae;font-family:'Manrope','Noto Sans Bengali','Hind Siliguri',sans-serif}
.sbh *,.sbh-drawer *{box-sizing:border-box;margin:0;padding:0}
.sbh a,.sbh-drawer a{text-decoration:none;color:inherit}
.sbh button,.sbh-drawer button{font:inherit;border:0;background:none;cursor:pointer;color:inherit}
.sbh-space{height:118px}
.sbh{position:fixed;left:0;right:0;top:0;z-index:99990;transition:transform .45s cubic-bezier(.2,.8,.2,1)}
body.admin-bar .sbh{top:32px}
@media(max-width:782px){body.admin-bar .sbh{top:46px}}
.sbh .w{max-width:1400px;margin:0 auto;padding:0 32px;display:flex;align-items:center;justify-content:space-between;gap:20px}
/* top strip */
.sbh-strip{height:42px;background:#041a16;color:var(--soft);font-size:13px;overflow:hidden;transition:height .4s cubic-bezier(.2,.8,.2,1),opacity .3s}
.sbh-strip .w{height:42px}
.sbh-strip .l,.sbh-strip .r{display:flex;align-items:center;gap:22px}
.sbh-strip span,.sbh-strip a{display:inline-flex;align-items:center;gap:8px;white-space:nowrap}
.sbh-strip i{color:var(--brass-l);font-size:12px}
.sbh .sbh-strip a:hover{color:#fff}
.sbh-strip .r a{padding:10px 0}
.sbh-strip .live{display:inline-flex;align-items:center;gap:8px;padding:4px 11px;border-radius:999px;background:rgba(255,255,255,.06);font-size:12px;font-weight:700}
.sbh-strip .live::before{content:"";width:7px;height:7px;border-radius:50%;background:#8a9a94}
.sbh-strip .live.open{color:#7ee2b8}.sbh-strip .live.open::before{background:#3ddc97;box-shadow:0 0 0 0 rgba(61,220,151,.6);animation:sbhPing 1.8s infinite}
@keyframes sbhPing{70%{box-shadow:0 0 0 8px rgba(61,220,151,0)}100%{box-shadow:0 0 0 0 rgba(61,220,151,0)}}
/* main bar */
.sbh-bar{position:relative;height:76px;background:#082a25;transition:background .4s,box-shadow .4s}
.sbh-bar .w{height:76px}
.sbh-bar::after{content:"";position:absolute;left:0;bottom:0;height:2px;width:100%;background:linear-gradient(90deg,var(--brass),var(--brass-l),#3da087);transform-origin:0 50%;transform:scaleX(var(--p,0))}
.sbh.solid .sbh-strip{height:0;opacity:0}
.sbh.solid .sbh-bar{background:rgba(8,42,37,.84);backdrop-filter:blur(18px) saturate(150%);-webkit-backdrop-filter:blur(18px) saturate(150%);box-shadow:0 14px 34px -18px rgba(0,0,0,.65)}
.sbh .sbh-logo,.sbh-drawer .sbh-logo{display:flex;align-items:center;gap:12px;color:#fff;flex-shrink:0}
.sbh-em{position:relative;flex-shrink:0;width:60px;height:60px;border-radius:50%;background:#fff var(--logo) center/90% no-repeat;box-shadow:0 0 0 2px var(--brass-l),0 0 0 5px rgba(226,195,138,.18),0 12px 24px -10px rgba(0,0,0,.6);transition:transform .5s cubic-bezier(.2,.8,.2,1)}
.sbh-logo:hover .sbh-em{transform:rotate(-6deg) scale(1.05)}
.sbh.solid .sbh-em{width:54px;height:54px}
.sbh-logo b{display:block;font-family:'Fraunces',serif;font-size:18px;font-weight:600;line-height:1.15;white-space:nowrap;letter-spacing:-.2px}
.sbh-logo .bnl{display:block;font-family:'Noto Serif Bengali',serif;font-size:12.5px;font-weight:700;color:#e6efeb;line-height:1.3;white-space:nowrap}
.sbh-logo small{display:block;font-size:12px;color:var(--brass-l);white-space:nowrap}
.sbh-menu{position:relative;display:flex;align-items:center;gap:2px;list-style:none}
.sbh-menu a{position:relative;display:block;padding:10px 14px;border-radius:999px;color:#cfe3db;font-size:14.5px;font-weight:600;white-space:nowrap;transition:color .3s,background .3s}
.sbh-menu a::after{content:"";position:absolute;left:50%;bottom:4px;width:5px;height:5px;margin-left:-2.5px;border-radius:50%;background:var(--brass-l);transform:scale(0);transition:transform .3s}
.sbh-menu a:hover{color:#fff;background:rgba(255,255,255,.06)}
.sbh-menu a.cur{color:#fff}
.sbh-menu a.cur::after{transform:scale(1)}
.sbh-act{display:flex;align-items:center;gap:10px;flex-shrink:0}
.sbh .sbh-call{display:flex;align-items:center;gap:10px;color:#fff}
.sbh-call i{width:42px;height:42px;border-radius:50%;display:grid;place-items:center;border:1px solid rgba(226,195,138,.4);color:var(--brass-l);transition:.3s}
.sbh-call:hover i{background:var(--brass);color:var(--ink);border-color:var(--brass)}
.sbh-call small{display:block;font-size:11px;color:var(--soft);line-height:1.2}
.sbh-call b{font-size:14.5px;white-space:nowrap}
.sbh .sbh-btn{position:relative;display:inline-flex;align-items:center;gap:10px;padding:13px 22px;border-radius:999px;background:var(--brass);color:#fff;font-weight:700;font-size:14.5px;white-space:nowrap;overflow:hidden;isolation:isolate;transition:color .3s}
.sbh-btn::before{content:"";position:absolute;inset:0;z-index:-1;background:var(--brass-l);transform:translateX(-101%);transition:transform .45s cubic-bezier(.2,.8,.2,1)}
.sbh .sbh-btn:hover{color:var(--ink)}.sbh-btn:hover::before{transform:none}
.sbh-burger{display:none;width:48px;height:48px;border-radius:14px;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.12)!important;position:relative}
.sbh-burger span{position:absolute;left:14px;right:14px;height:2px;border-radius:2px;background:#fff;transition:transform .4s,opacity .3s,top .4s}
.sbh-burger span:nth-child(1){top:16px}.sbh-burger span:nth-child(2){top:23px;right:20px;background:var(--brass-l)}.sbh-burger span:nth-child(3){top:30px}
@media(max-width:1540px){.sbh .sbh-call{display:none}}
@media(max-width:1400px){.sbh-menu a{padding:10px 10px;font-size:14px}.sbh-logo b{font-size:16.5px}}
@media(max-width:1260px){.sbh-menu{display:none}.sbh-burger{display:block}}
@media(max-width:860px){.sbh-strip .l .hide-m{display:none}}
@media(max-width:640px){.sbh .w{padding:0 16px}.sbh-strip{height:0;opacity:0}.sbh-space{height:76px}.sbh .sbh-btn{display:none}.sbh-em,.sbh.solid .sbh-em{width:50px;height:50px}.sbh-logo b{font-size:14.5px;white-space:normal;max-width:210px;line-height:1.2}.sbh-logo .bnl{display:none}.sbh-logo small{font-size:11.5px}.sbh .sbh-logo{gap:10px}}
@media(max-width:360px){.sbh-logo b{font-size:13.5px;max-width:180px}.sbh-burger{width:44px;height:44px}}
/* drawer */
.sbh-drawer{position:fixed;inset:0;z-index:99995;overflow:hidden;display:grid;grid-template-columns:1fr min(460px,100%);visibility:hidden;pointer-events:none}
.sbh-drawer .bg{background:rgba(4,20,17,.6);backdrop-filter:blur(6px);opacity:0;transition:opacity .4s}
.sbh-drawer .pn{position:relative;display:flex;flex-direction:column;height:100%;overflow-y:auto;background:radial-gradient(500px 400px at 100% 0%,rgba(61,160,135,.35),transparent 70%),#06231e;color:#cfe3db;padding:22px 26px 30px;transform:translateX(100%);transition:transform .55s cubic-bezier(.2,.8,.2,1)}
.sbh-drawer.open{visibility:visible;pointer-events:auto}
.sbh-drawer.open .bg{opacity:1}.sbh-drawer.open .pn{transform:none}
.sbh-drawer .top{display:flex;justify-content:space-between;align-items:center;margin-bottom:26px}
.sbh-drawer .x{width:48px;height:48px;border-radius:14px;background:rgba(255,255,255,.08);color:#fff;font-size:18px}
.sbh-drawer .x:hover{background:var(--brass);color:var(--ink)}
.sbh-drawer nav a{display:flex;align-items:center;gap:16px;padding:14px 4px;border-bottom:1px solid rgba(255,255,255,.07);font-family:'Fraunces',serif;font-size:24px;color:#fff;opacity:0;transform:translateX(24px);transition:opacity .4s,transform .5s cubic-bezier(.2,.8,.2,1),color .3s}
.sbh-drawer nav a em{font-style:normal;font-family:'Manrope','Noto Sans Bengali','Hind Siliguri',sans-serif;font-size:12px;font-weight:800;color:var(--brass-l);width:22px}
.sbh-drawer nav a small{margin-left:auto;font-family:'Noto Serif Bengali',serif;font-size:13px;color:var(--soft)}
.sbh-drawer nav a:hover,.sbh-drawer nav a.cur{color:var(--brass-l)}
.sbh-drawer.open nav a{opacity:1;transform:none}
.sbh-drawer .cta{margin-top:auto;padding-top:26px;display:grid;gap:10px}
.sbh-drawer .cta a{display:flex;align-items:center;gap:12px;padding:15px 18px;border-radius:18px;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.1);color:#fff;font-weight:700}
.sbh-drawer .cta a small{display:block;font-size:11.5px;font-weight:500;color:var(--soft)}
.sbh-drawer .cta a i{width:40px;height:40px;border-radius:12px;display:grid;place-items:center;background:rgba(226,195,138,.14);color:var(--brass-l)}
.sbh-drawer .cta a.g{background:linear-gradient(135deg,var(--brass-l),var(--brass));color:var(--ink);border:0}
.sbh-drawer .cta a.g i{background:var(--ink);color:var(--brass-l)}.sbh-drawer .cta a.g small{color:#3b2d14}
@media(max-width:520px){.sbh-drawer{grid-template-columns:0 1fr}}
@media(prefers-reduced-motion:reduce){.sbh *,.sbh-drawer *{transition:none!important;animation:none!important}}

/* ===== SITE FOOTER ===== */
.sbf{--scrub:#0b3b34;--brass:#b8893f;--brass-l:#e2c38a;--ink:#10241f;--soft:#9fb8ae;position:relative;font-family:'Manrope','Noto Sans Bengali','Hind Siliguri',sans-serif;color:var(--soft);background:#041a16;overflow:hidden;isolation:isolate;line-height:1.7;font-size:15px}
.sbf *{box-sizing:border-box;margin:0;padding:0}
.sbf a{text-decoration:none;color:inherit}
.sbf button{font:inherit;border:0;background:none;cursor:pointer;color:inherit}
.sbf .w{position:relative;max-width:1400px;margin:0 auto;padding:0 32px}
.sbf::before{content:"";position:absolute;inset:0;z-index:-1;background:radial-gradient(900px 500px at 85% 0%,rgba(29,107,92,.45),transparent 65%),radial-gradient(600px 400px at 0% 100%,rgba(184,137,63,.14),transparent 65%)}
.sbf .bn{font-family:'Noto Sans Bengali','Hind Siliguri',sans-serif}
/* cta */
.sbf-cta{padding-top:80px}
.sbf-cta .box{position:relative;display:grid;grid-template-columns:1.2fr auto;gap:30px;align-items:center;padding:44px 48px;border-radius:34px;background:linear-gradient(135deg,var(--brass-l),var(--brass));color:var(--ink);overflow:hidden;isolation:isolate;box-shadow:0 40px 80px -40px rgba(184,137,63,.6)}
.sbf-cta .box::before{content:"";position:absolute;z-index:-1;width:440px;height:440px;border-radius:50%;right:-120px;top:-220px;border:1px solid rgba(16,36,31,.18);box-shadow:0 0 0 50px rgba(16,36,31,.04),0 0 0 100px rgba(16,36,31,.03)}
.sbf-cta small{font-size:12px;font-weight:800;letter-spacing:2px}
.sbf-cta h3{font-family:'Noto Serif Bengali',serif;font-size:clamp(24px,3vw,36px);line-height:1.35;margin:6px 0 4px}
.sbf-cta p{font-size:14.5px;color:#3b2d14}
.sbf-cta .bt{display:flex;gap:10px;flex-wrap:wrap}
.sbf-cta .bt a{display:inline-flex;align-items:center;gap:10px;padding:15px 22px;border-radius:999px;font-weight:800;font-size:15px;transition:transform .3s,background .3s}
.sbf-cta .bt a:hover{transform:translateY(-3px)}
.sbf-cta .bt a.d{background:var(--ink);color:#fff}
.sbf-cta .bt a.l{background:rgba(16,36,31,.1);color:var(--ink)}
.sbf-cta .bt a.l:hover{background:rgba(16,36,31,.18)}
/* grid */
.sbf-main{padding:70px 0 40px}
.sbf-grid{display:grid;grid-template-columns:1.5fr 1fr 1.1fr 1.2fr;gap:44px}
.sbf .sbf-logo{display:flex;align-items:center;gap:12px;color:#fff}
.sbf .brand{display:grid;grid-template-columns:auto 1fr;gap:18px;align-items:center}
.sbf .lgcard{position:relative;display:block;flex-shrink:0;line-height:0}
.sbf .sbf-em{display:block;width:84px;height:84px;border-radius:50%;background:#fff var(--logo) center/90% no-repeat;box-shadow:0 0 0 2px var(--brass-l),0 0 0 6px rgba(226,195,138,.18),0 14px 28px -10px rgba(0,0,0,.7);transition:transform .5s cubic-bezier(.2,.8,.2,1)}
.sbf .lgcard:hover .sbf-em{transform:rotate(-6deg) scale(1.05)}
.sbf .brand .nm b{display:block;font-family:'Fraunces',serif;color:#fff;font-size:20px;font-weight:600;line-height:1.2}
.sbf .brand .nm .bnl{display:block;font-family:'Noto Serif Bengali',serif;color:var(--brass-l);font-size:13.5px;font-weight:700;margin-top:4px}
.sbf .brand .nm small{display:block;font-size:13px;color:#cfe3db;margin-top:6px}
.sbf-logo b{display:block;font-family:'Fraunces',serif;font-size:19px;font-weight:600;line-height:1.15}
.sbf-logo small{display:block;font-size:12.5px;color:var(--brass-l)}
.sbf .about p{margin:18px 0 22px;max-width:40ch;font-size:14.5px}
.sbf .creds{display:flex;flex-wrap:wrap;gap:8px}
.sbf .creds span{font-size:12px;font-weight:700;padding:6px 12px;border-radius:999px;background:rgba(255,255,255,.06);border:1px solid rgba(226,195,138,.25);color:#e6efeb}
.sbf h5{display:flex;align-items:center;gap:10px;font-family:'Fraunces',serif;color:#fff;font-size:19px;font-weight:600;margin-bottom:20px}
.sbf h5::after{content:"";flex:1;max-width:40px;height:1.5px;background:var(--brass)}
.sbf ul{list-style:none;display:grid;gap:8px}
.sbf .links a{display:inline-flex;align-items:center;gap:10px;min-height:32px;font-size:14.5px;transition:color .3s,transform .3s}
.sbf .links a i{font-size:10px;color:var(--brass);transition:transform .3s}
.sbf .links a:hover{color:#fff;transform:translateX(4px)}
.sbf .hrs li{display:flex;justify-content:space-between;gap:12px;padding-bottom:11px;border-bottom:1px dashed rgba(255,255,255,.1);font-size:14px}
.sbf .hrs li b{color:#fff;font-weight:600}
.sbf .hrs li.off b{color:#f6a493}
.sbf .ct a{display:flex;align-items:center;gap:14px;padding:14px 16px;border-radius:18px;background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.08);transition:background .3s,border-color .3s}
.sbf .ct a:hover{background:rgba(226,195,138,.1);border-color:rgba(226,195,138,.4)}
.sbf .ct a i{width:40px;height:40px;flex-shrink:0;border-radius:12px;display:grid;place-items:center;background:rgba(226,195,138,.14);color:var(--brass-l)}
.sbf .ct a b{display:block;font-family:'Fraunces',serif;color:#fff;font-size:18px;line-height:1.2}
.sbf .ct a small{font-size:12px}
.sbf .ct .addr{display:flex;gap:12px;font-size:13.5px;padding:4px 2px}
.sbf .ct .addr i{color:var(--brass-l);margin-top:5px}
/* watermark + bottom */
.sbf-wm{position:relative;text-align:center;font-family:'Fraunces',serif;font-weight:700;font-size:clamp(70px,13.5vw,230px);line-height:.8;letter-spacing:-4px;white-space:nowrap;color:transparent;-webkit-text-stroke:1px rgba(226,195,138,.13);background:linear-gradient(180deg,rgba(226,195,138,.08),transparent 80%);-webkit-background-clip:text;background-clip:text;margin-top:10px;user-select:none;pointer-events:none}
.sbf-bot{position:relative;border-top:1px solid rgba(255,255,255,.08)}
.sbf-bot .w{display:flex;justify-content:space-between;align-items:center;gap:20px;flex-wrap:wrap;padding-top:22px;padding-bottom:26px;font-size:13px}
.sbf-bot .note{display:flex;align-items:center;gap:8px}
.sbf-bot .note i{color:var(--brass-l)}
.sbf .sbf-top{display:inline-flex;align-items:center;gap:10px;font-weight:700;color:#fff}
.sbf-top i{width:46px;height:46px;border-radius:50%;display:grid;place-items:center;background:var(--brass);color:var(--ink);transition:transform .3s}
.sbf-top:hover i{transform:translateY(-4px)}
@media(max-width:1100px){.sbf-grid{grid-template-columns:1fr 1fr}}
@media(max-width:1300px) and (min-width:1101px){.sbf .sbf-em{width:72px;height:72px}.sbf .brand .nm b{font-size:18px}}
@media(max-width:400px){.sbf .sbf-em{width:72px;height:72px}.sbf .brand{gap:14px}.sbf .brand .nm b{font-size:17.5px}}
@media(max-width:760px){.sbf .links a{min-height:40px}.sbf .links{grid-template-columns:1fr 1fr;column-gap:16px}.sbf .w{padding:0 18px}.sbf-wm{font-size:11.5vw;letter-spacing:-2px}.sbf-cta .bt a{flex:1;justify-content:center}.sbf-cta .box{grid-template-columns:1fr;padding:32px 24px}.sbf-grid{grid-template-columns:1fr;gap:36px}.sbf-main{padding-top:56px}.sbf-bot .w{padding-bottom:100px}}

/* shared video helpers (YouTube ba nijer video file) */
.sbv-thumb{display:block;width:100%;height:100%;object-fit:cover;pointer-events:none;background:#0b3b34}
.sbv-player{display:block;width:100%;height:100%;border:0;background:#000}
.dsx .vc video.sbv-thumb,.dsx .scr2 video.sbv-thumb,.dsx .phone .scr video.sbv-thumb,.dsx .vc img.sbv-thumb{position:absolute;inset:0;z-index:-1}
.dsx .vc .sbv-player,.dsx .scr2 .sbv-player{position:absolute;inset:0;z-index:5}