:root{
  --navy:#061631; --navy2:#0A2348; --navy3:#0E2D5C; --card:rgba(12,38,78,.72);
  --gold:#E2B451; --gold2:#F6D888; --line:rgba(226,180,81,.35); --line2:rgba(226,180,81,.6);
  --text:#F4EFE3; --soft:#CBD5E3; --muted:#A9B6CB;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;color:var(--text);font-family:'Hind Siliguri',system-ui,sans-serif;font-size:17px;line-height:1.6;
  background-color:var(--navy);
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='80' height='80' viewBox='0 0 80 80'%3E%3Cg fill='none' stroke='%23E2B451' stroke-opacity='.07' stroke-width='1'%3E%3Cpath d='M40 8l9 23 23 9-23 9-9 23-9-23-23-9 23-9z'/%3E%3Crect x='24' y='24' width='32' height='32' transform='rotate(45 40 40)'/%3E%3Ccircle cx='40' cy='40' r='6'/%3E%3C/g%3E%3C/svg%3E");}
img{max-width:100%;display:block}
a{color:var(--gold2)}
.en{font-family:'Cinzel',serif;letter-spacing:.01em}
.bn-serif{font-family:'Noto Serif Bengali',serif}
.wrap{max-width:1240px;margin:0 auto;padding:0 24px}
.section{padding-top:88px;padding-bottom:88px}
.gold-text{color:var(--gold);background:linear-gradient(180deg,#FBE3A0 0%,#E2B451 55%,#B8862E 100%);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.sec-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:32px}
.sec-head h2{margin:0;font-family:'Cinzel',serif;font-size:clamp(28px,3.4vw,40px);line-height:1.2}
.sec-head p{margin:4px 0 0;color:var(--soft)}
.title-icon{display:flex;align-items:center;gap:14px}
.title-icon svg{flex-shrink:0;color:var(--gold)}
.divider{display:flex;align-items:center;gap:10px;color:var(--gold);max-width:420px}
.divider::before,.divider::after{content:"";flex:1;height:1px;background:linear-gradient(90deg,transparent,var(--gold),transparent)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;min-height:48px;padding:12px 28px;border-radius:999px;font:inherit;font-weight:700;text-decoration:none;cursor:pointer;transition:transform .2s,box-shadow .2s}
.btn:hover{transform:translateY(-2px)}
.btn-gold{background:linear-gradient(180deg,#F6D888,#E2B451 60%,#C99536);color:#0A1B36;border:0;box-shadow:0 6px 20px rgba(226,180,81,.25)}
.btn-line{border:1.5px solid var(--gold);color:var(--gold2);background:rgba(6,22,49,.4)}
.link-more{color:var(--gold2);text-decoration:none;font-weight:600;display:inline-flex;gap:6px;align-items:center}
.link-more:hover{color:#fff}
.card{background:var(--card);border:1px solid var(--line);border-radius:20px;backdrop-filter:blur(4px)}

/* ===== header ===== */
header{position:sticky;top:0;z-index:30;background:rgba(6,22,49,.94);backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
nav{display:flex;align-items:center;justify-content:space-between;gap:16px;padding-top:12px;padding-bottom:12px}
.logo{display:flex;align-items:center;gap:12px;text-decoration:none;color:var(--text)}
.logo span{font-family:'Cinzel',serif;font-weight:700;font-size:19px;line-height:1.15}
.menu{display:flex;flex-wrap:wrap;gap:4px 26px;font-size:16px}
.menu a{color:var(--soft);text-decoration:none;padding:6px 0;border-bottom:2px solid transparent}
.menu a:hover,.menu a.active{color:var(--gold2);border-bottom-color:var(--gold)}
.social{display:flex;gap:10px}
.social a{width:38px;height:38px;border-radius:50%;display:flex;align-items:center;justify-content:center;color:var(--gold);border:1px solid var(--line);text-decoration:none}
.social a:hover{background:var(--gold);color:var(--navy)}
.menu-btn{display:none;background:none;border:1px solid var(--line2);color:var(--gold);width:44px;height:44px;border-radius:12px;cursor:pointer}

/* ===== hero ===== */
.hero{position:relative;overflow:hidden;border-bottom:1px solid var(--line);
  background:radial-gradient(ellipse at 70% 40%,#123C78 0%,#0A2650 40%,#061631 80%)}
.hero-inner{position:relative;z-index:2;display:grid;grid-template-columns:minmax(0,1.25fr) minmax(0,1fr);align-items:center;gap:24px;min-height:560px;padding-top:40px;padding-bottom:40px}
.hero-text{display:flex;flex-direction:column;gap:16px;padding-left:clamp(0px,10vw,150px)}
.hero h1{margin:0;font-family:'Cinzel',serif;font-weight:800;font-size:clamp(36px,4vw,58px);line-height:1.12}
.tagline{margin:0;font-size:clamp(16px,1.6vw,20px);color:var(--text)}
.hero ul{list-style:none;margin:6px 0 0;padding:0;display:flex;flex-direction:column;gap:10px}
.hero li{display:flex;align-items:center;gap:12px;font-size:18px}
.hero li svg{color:var(--gold);flex-shrink:0}
.hero-btns{display:flex;flex-wrap:wrap;gap:16px;margin-top:10px}
.hero-photo{position:relative;align-self:stretch;min-height:440px;overflow:hidden;margin:-40px min(-24px,calc((1240px - 100vw)/2 - 24px)) -40px 0;-webkit-mask-image:linear-gradient(90deg,transparent 0%,#000 30%),linear-gradient(180deg,#000 82%,transparent 100%);-webkit-mask-composite:source-in;mask-image:linear-gradient(90deg,transparent 0%,#000 30%),linear-gradient(180deg,#000 82%,transparent 100%);mask-composite:intersect}
.hero-photo img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;object-position:center 18%}
.hero-photo .slide{opacity:0;transition:opacity 1s ease;transform:scale(1.03);object-position:var(--pos,center 30%)}
.hero-photo .slide.show{opacity:1;animation:kenburns 4s ease-out forwards}
@keyframes kenburns{from{transform:scale(1.03)}to{transform:scale(1.09)}}
.dots{position:absolute;right:max(34px,calc((100vw - 1240px)/2 + 34px));bottom:56px;z-index:3;display:flex;gap:8px}
.dots button{width:10px;height:10px;border-radius:50%;border:1px solid var(--gold);background:rgba(6,22,49,.6);padding:0;cursor:pointer;transition:width .3s}
.dots button.on{background:var(--gold);width:26px;border-radius:6px}
@media (prefers-reduced-motion:reduce){.hero-photo .slide.show{animation:none}}
.arch-left{position:absolute;left:0;bottom:0;z-index:1;width:clamp(150px,17vw,260px);height:92%;pointer-events:none}
.corner{position:absolute;top:0;width:150px;height:150px;z-index:3;pointer-events:none;color:var(--gold)}
.corner.l{left:0}.corner.r{right:0;transform:scaleX(-1)}
.wave{position:absolute;left:0;right:0;bottom:-1px;z-index:1;height:70px;pointer-events:none}

/* ===== ticker ===== */
.ticker{display:flex;background:rgba(10,35,72,.9);border-bottom:1px solid var(--line);overflow:hidden}
.ticker-label{background:linear-gradient(180deg,#F6D888,#E2B451);color:#0A1B36;font-weight:700;font-size:15px;padding:9px 18px;white-space:nowrap;display:flex;align-items:center;gap:8px;flex-shrink:0}
.ticker-label i{width:8px;height:8px;border-radius:50%;background:#B3261E;animation:blink 1.2s infinite}
.ticker-track{overflow:hidden;flex:1;display:flex;align-items:center}
.ticker-move{display:flex;gap:44px;white-space:nowrap;padding-left:24px;font-size:15px;color:var(--soft);animation:ticker 40s linear infinite}
.ticker:hover .ticker-move{animation-play-state:paused}
@keyframes ticker{to{transform:translateX(-50%)}}
@keyframes blink{50%{opacity:.25}}

/* ===== about + stats ===== */
.about{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:28px}
.about-main{display:flex;flex-wrap:wrap;gap:24px;padding:24px}
.about-main img{flex:0 0 230px;width:230px;height:250px;object-fit:cover;border-radius:16px;border:2px solid var(--line2)}
.about-main > div{flex:1 1 260px;min-width:0;display:flex;flex-direction:column;gap:10px}
.about-main h2{margin:0;font-family:'Noto Serif Bengali',serif;font-size:30px;color:var(--gold2)}
.about-main p{margin:0;color:var(--soft);font-size:16px}
.side{display:flex;flex-direction:column;gap:28px}
.roles{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}
.role{padding:20px 14px;text-align:center;display:flex;flex-direction:column;align-items:center;gap:8px}
.role svg{color:var(--gold)}
.role-logo{width:88px;height:88px;border-radius:50%;box-shadow:0 0 0 2px var(--gold),0 6px 18px rgba(0,0,0,.35);background:#fff;margin-bottom:4px;transition:transform .3s}
.role:hover .role-logo{transform:scale(1.06)}
.role b{font-size:17px;line-height:1.3}
.role span{font-size:14px;color:var(--muted)}
.stats{padding:22px 20px}
.stats h3{margin:0 0 14px;font-family:'Noto Serif Bengali',serif;font-size:24px;color:var(--gold2)}
.stat-row{display:grid;grid-template-columns:repeat(4,minmax(0,1fr))}
.stat{text-align:center;padding:4px 8px;border-left:1px solid var(--line)}
.stat:first-child{border-left:0}
.stat svg{color:var(--gold);margin:0 auto 4px}
.stat b{display:block;font-family:'Cinzel',serif;font-size:28px;color:var(--gold2)}
.stat span{font-size:13px;color:var(--soft)}

/* ===== videos ===== */
.videos{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px}
.video{text-decoration:none;color:var(--text);display:flex;flex-direction:column;gap:10px}
.thumb{position:relative;border-radius:14px;overflow:hidden;border:1.5px solid var(--line2);aspect-ratio:16/9;background:#000}
.thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s}
.video:hover .thumb img{transform:scale(1.05)}
.thumb .play{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);width:54px;height:54px;border-radius:50%;background:rgba(226,180,81,.92);display:flex;align-items:center;justify-content:center;color:#0A1B36;opacity:.92}
.video b{font-size:17px;line-height:1.35}
.video small{color:var(--muted);font-size:14px}
.playlist{margin-top:40px;border-radius:20px;overflow:hidden;border:1.5px solid var(--line2);aspect-ratio:16/9;background:#000;max-width:980px;margin-left:auto;margin-right:auto}
.playlist iframe{width:100%;height:100%;border:0;display:block}
.all-head{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;margin:56px 0 22px}
.all-head h3{margin:0;font-family:'Noto Serif Bengali',serif;font-size:28px;color:var(--gold2)}
.all-head input{background:rgba(6,22,49,.6);border:1px solid var(--line2);color:var(--text);font:inherit;font-size:15px;padding:10px 16px;border-radius:999px;min-height:44px;width:min(320px,100%)}
.all-head input::placeholder{color:var(--muted)}
.video .date{color:var(--muted);font-size:13px}
.load-more{display:flex;justify-content:center;margin-top:28px}
.skeleton .thumb{animation:pulse 1.4s infinite;background:rgba(226,180,81,.08)}
.skeleton b{height:16px;width:80%;border-radius:6px;background:rgba(226,180,81,.1);display:block}
@keyframes pulse{50%{opacity:.5}}

/* ===== works + services ===== */
.two{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:28px}
.list-card{padding:30px}
.list-card ul{list-style:none;margin:20px 0 0;padding:0;display:flex;flex-direction:column;gap:12px}
.list-card li{display:flex;gap:12px;align-items:flex-start}
.list-card li svg{color:var(--gold);flex-shrink:0;margin-top:4px}

/* ===== timeline ===== */
.timeline{list-style:none;margin:22px 0 0;padding:0 0 0 22px;border-left:2px solid var(--line2);display:flex;flex-direction:column;gap:18px}
.timeline li{position:relative;display:flex;flex-direction:column;gap:2px}
.timeline li::before{content:"";position:absolute;left:-30px;top:6px;width:12px;height:12px;border-radius:50%;background:var(--gold);box-shadow:0 0 0 4px rgba(226,180,81,.18)}
.timeline b{color:var(--gold2);font-size:16px}
.timeline span{color:var(--soft);font-size:16px}

/* ===== gallery ===== */
.filters{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:24px}
.filters button{background:rgba(6,22,49,.5);color:var(--text);border:1px solid var(--line2);font:inherit;font-size:15px;padding:9px 18px;border-radius:999px;min-height:44px;cursor:pointer}
.filters button.on{background:linear-gradient(180deg,#F6D888,#E2B451);color:#0A1B36;font-weight:700;border-color:var(--gold)}
.gallery{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px}
.gallery button{padding:0;border:1.5px solid var(--line2);background:none;cursor:zoom-in;border-radius:16px;overflow:hidden;aspect-ratio:1/1}
.gallery button.wide{grid-column:span 2;aspect-ratio:2/1}
.gallery img{width:100%;height:100%;object-fit:cover;transition:transform .35s}
.gallery button:hover img{transform:scale(1.05)}
.gallery button[hidden]{display:none}
.lightbox{position:fixed;inset:0;background:rgba(3,10,24,.94);display:none;align-items:center;justify-content:center;z-index:60;padding:24px}
.lightbox.open{display:flex}
.lightbox img{max-height:88vh;max-width:92vw;border-radius:12px;border:2px solid var(--gold)}
.lightbox button{position:absolute;top:18px;right:18px;width:48px;height:48px;border-radius:50%;border:0;background:var(--gold);color:#0A1B36;font-size:26px;cursor:pointer}

/* ===== news ===== */
.news{display:grid;grid-template-columns:minmax(0,1.6fr) minmax(0,1fr);gap:28px;align-items:start}
.posts{display:flex;flex-direction:column;gap:18px}
.post{padding:18px;display:flex;gap:18px}
.post img{flex:0 0 200px;width:200px;height:140px;object-fit:cover;border-radius:12px}
.post > div{flex:1;min-width:0;display:flex;flex-direction:column;gap:6px}
.post .meta{display:flex;flex-wrap:wrap;gap:10px;align-items:center;font-size:14px;color:var(--muted)}
.post .tag{background:rgba(226,180,81,.15);color:var(--gold2);font-weight:600;padding:2px 10px;border-radius:999px;border:1px solid var(--line)}
.post h3{margin:0;font-family:'Noto Serif Bengali',serif;font-size:21px;line-height:1.35}
.post p{margin:0;color:var(--soft);font-size:15px}
.fb{padding:20px;display:flex;flex-direction:column;gap:14px}
.fb-frame{width:100%;height:130px;border:0;border-radius:12px;background:#fff}

/* ===== contact ===== */
.contact{padding:clamp(26px,4vw,44px);display:grid;grid-template-columns:minmax(0,1.2fr) minmax(0,1fr);gap:32px;align-items:center}
.contact h2{margin:0;font-family:'Noto Serif Bengali',serif;font-size:clamp(26px,3vw,34px);color:var(--gold2)}
.contact p{margin:8px 0 0;color:var(--soft)}
.c-links{display:flex;flex-direction:column;gap:12px}
.c-links a{display:flex;align-items:center;gap:12px;color:var(--text);text-decoration:none;border:1px solid var(--line);border-radius:14px;padding:13px 18px;min-height:50px;background:rgba(6,22,49,.45)}
.c-links a:hover{border-color:var(--gold)}
.c-links svg{color:var(--gold)}

/* ===== footer ===== */
footer{border-top:1px solid var(--line);background:rgba(4,14,32,.9)}
.foot{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:18px;padding-top:26px;padding-bottom:18px}
.foot-info{color:var(--muted);font-size:14px}
.foot-links{display:flex;flex-wrap:wrap;gap:6px 22px;font-size:15px}
.foot-links a{color:var(--soft);text-decoration:none}
.foot-links a:hover{color:var(--gold2)}
.copy{text-align:center;color:var(--muted);font-size:14px;padding:0 0 22px}

/* ===== responsive ===== */
@media (max-width:1100px){
  .about,.two,.news{grid-template-columns:minmax(0,1fr)}
  .videos{grid-template-columns:repeat(2,minmax(0,1fr))}
  .hero-text{padding-left:0}
  .arch-left{display:none}
}
@media (max-width:860px){
  .menu-btn{display:flex;align-items:center;justify-content:center}
  .menu{display:none;position:absolute;top:100%;left:0;right:0;flex-direction:column;gap:0;background:var(--navy);border-bottom:1px solid var(--line);padding:8px 24px 16px}
  .menu.open{display:flex}
  .menu a{padding:12px 0;border-bottom:1px solid rgba(226,180,81,.15)}
  .social{display:none}
  .hero-inner{grid-template-columns:minmax(0,1fr);min-height:0}
  .hero-text{padding-left:0;order:2}
  .hero-photo{order:1;min-height:380px;border-radius:20px 20px 0 0;margin:0;-webkit-mask-composite:source-over;mask-composite:add;-webkit-mask-image:linear-gradient(180deg,#000 70%,transparent);mask-image:linear-gradient(180deg,#000 70%,transparent)}

  .arch-left{display:none}
  .dots{bottom:auto;top:16px;right:16px}
  .hero-photo .slide{object-position:var(--mpos,var(--pos,center 30%))}
  .contact{grid-template-columns:minmax(0,1fr)}
  .gallery{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (max-width:560px){
  .section{padding-top:60px;padding-bottom:60px}
  .videos{grid-template-columns:minmax(0,1fr)}
  .roles{grid-template-columns:minmax(0,1fr)}
  .stat-row{grid-template-columns:repeat(2,minmax(0,1fr));row-gap:16px}
  .stat:nth-child(3){border-left:0}
  .about-main img{flex-basis:100%;width:100%;height:320px}
  .post{flex-direction:column}
  .post img{width:100%;flex-basis:auto;height:190px}
}

/* ===== role card link ===== */
.role-link{margin-top:6px;display:inline-flex;align-items:center;gap:6px;color:var(--gold2);text-decoration:none;font-weight:600;font-size:14px;border:1px solid var(--line2);border-radius:999px;padding:6px 14px;min-height:36px}
.role-link:hover{background:var(--gold);color:#0A1B36}

/* ===== sub pages ===== */
.page-hero{position:relative;border-bottom:1px solid var(--line);background:radial-gradient(ellipse at 70% 30%,#123C78 0%,#0A2650 45%,#061631 85%);overflow:hidden}
.page-hero .wrap{display:flex;flex-wrap:wrap;align-items:center;gap:32px;padding-top:64px;padding-bottom:64px;position:relative;z-index:2}
.page-hero img.big-logo{width:150px;height:150px;border-radius:50%;box-shadow:0 0 0 3px var(--gold),0 10px 30px rgba(0,0,0,.4);background:#fff;flex-shrink:0}
.page-hero h1{margin:0;font-family:'Noto Serif Bengali',serif;font-size:clamp(32px,4.5vw,54px);line-height:1.2}
.page-hero p{margin:8px 0 0;color:var(--soft);max-width:680px}
.crumb{font-size:15px;color:var(--muted);margin-bottom:10px}
.crumb a{color:var(--gold2);text-decoration:none}
.people{display:grid;grid-template-columns:repeat(auto-fill,minmax(210px,1fr));gap:22px}
.person{padding:22px 16px;text-align:center;display:flex;flex-direction:column;align-items:center;gap:6px}
.person .ph{width:140px;height:140px;border-radius:50%;object-fit:cover;box-shadow:0 0 0 3px var(--gold),0 8px 22px rgba(0,0,0,.35);background:#0E2D5C;margin-bottom:8px}
.person .ph.empty{display:flex;align-items:center;justify-content:center;font-family:'Noto Serif Bengali',serif;font-size:44px;color:var(--gold2)}
.person b{font-size:18px;line-height:1.35}
.person span{color:var(--muted);font-size:14px}
.designs{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:18px}
.design{border:1.5px solid var(--line2);background:var(--card);border-radius:16px;overflow:hidden;color:var(--text);display:flex;flex-direction:column}
.design .open{padding:0;border:0;background:#fff;cursor:zoom-in;display:block;overflow:hidden}
.design img{width:100%;aspect-ratio:4/3;object-fit:cover;object-position:top;transition:transform .35s;display:block}
.design:hover img{transform:scale(1.04)}
.design .cap{padding:12px 14px;display:flex;align-items:center;justify-content:space-between;gap:10px}
.design .cap > span{display:flex;flex-direction:column;gap:2px;min-width:0}
.design .dl{flex-shrink:0;color:#0A1B36;background:linear-gradient(180deg,#F6D888,#E2B451);text-decoration:none;font-weight:700;font-size:13px;padding:8px 12px;border-radius:999px;min-height:36px;display:inline-flex;align-items:center}
.design .dl:hover{filter:brightness(1.08)}
.design .cap b{font-size:16px}
.design .cap span{font-size:13px;color:var(--muted)}
.design[hidden]{display:none}
.svc{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:16px}
.svc .card{padding:20px;display:flex;flex-direction:column;gap:6px}
.svc .card b{color:var(--gold2);font-size:17px}
.svc .card span{color:var(--soft);font-size:15px}
.note-box{border:1px dashed var(--line2);border-radius:16px;padding:18px;color:var(--muted);font-size:15px;margin-top:18px}