:root{
  --green:#0b3d36; --green-2:#14574d; --gold:#b8892b; --ink:#16211e;
  --paper:#f7f8f4; --tint:#e8efe9; --line:#d5dcd3; --muted:#5b6a65;
  --danger:#a3281f; --ok:#1f6b3a;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font:17px/1.8 "Hind Siliguri",system-ui,sans-serif;color:var(--ink);background:var(--paper)}
h1,h2,h3{font-family:"Noto Serif Bengali","Hind Siliguri",serif;line-height:1.35;margin:0 0 .5em}
a{color:var(--green-2)}
img{max-width:100%;display:block}
.wrap{max-width:1100px;margin:0 auto;padding:0 20px}
.narrow{max-width:720px}
.muted{color:var(--muted)}
:focus-visible{outline:3px solid var(--gold);outline-offset:2px}

/* হেডার */
.top{background:#fff;border-bottom:1px solid var(--line);position:sticky;top:0;z-index:20}
.bar{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:64px}
.brand{font:700 1.4rem "Noto Serif Bengali",serif;color:var(--green);text-decoration:none}
.top nav{display:flex;gap:6px;align-items:center;flex-wrap:wrap}
.top nav a{padding:6px 12px;text-decoration:none;color:var(--ink);border-radius:6px}
.top nav a:hover{background:var(--tint)}
.burger{display:none;font-size:1.6rem;cursor:pointer}
@media(max-width:820px){
  .burger{display:block}
  .top nav{display:none;position:absolute;left:0;right:0;top:64px;background:#fff;
    flex-direction:column;align-items:stretch;padding:10px 20px;border-bottom:1px solid var(--line)}
  #nav-toggle:checked ~ nav{display:flex}
}

/* হিরো: ইসলামি জ্যামিতিক নকশা */
.hero{background-color:var(--green);color:#fff;padding:96px 0 88px;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='80' height='80'%3E%3Cpath d='M40 6l8 22 22-8-8 22 22 8-22 8 8 22-22-8-8 22-8-22-22 8 8-22L6 42l22-8-8-22 22 8z' fill='none' stroke='%23b8892b' stroke-opacity='.28' stroke-width='1.2'/%3E%3C/svg%3E")}
.hero h1{font-size:clamp(2rem,5vw,3.4rem);max-width:16em}
.hero .lead{font-size:1.15rem;max-width:34em;color:#d6e4de}
.actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:24px}
.btn{display:inline-block;padding:10px 22px;border-radius:6px;border:2px solid transparent;
  font:600 1rem "Hind Siliguri",sans-serif;text-decoration:none;cursor:pointer}
.btn.gold{background:var(--gold);color:#1b1405}
.btn.ghost{border-color:#9fb8b0;color:#fff}
.btn.solid{background:var(--green);color:#fff}
.btn.solid:hover{background:var(--green-2)}
.btn.plain{color:var(--ink)}

/* সেকশন */
.sec{padding:56px 0}
.tint{background:var(--tint)}
.sec-head{display:flex;justify-content:space-between;align-items:baseline;gap:12px;margin-bottom:20px}
.page-title{font-size:clamp(1.7rem,4vw,2.4rem);margin-bottom:.8em}
.prose{max-width:62ch;white-space:pre-line}

.grid{display:grid;gap:20px}
.photos{grid-template-columns:repeat(auto-fill,minmax(220px,1fr))}
.photos figure{margin:0}
.photos img{width:100%;aspect-ratio:4/5;object-fit:cover;border-radius:4px;cursor:zoom-in;background:var(--line)}
.photos figcaption{padding:8px 2px;font-size:.95rem}
.cards{grid-template-columns:repeat(auto-fill,minmax(280px,1fr))}
.card{background:#fff;border:1px solid var(--line);border-radius:6px;padding:24px;display:flex;flex-direction:column;gap:6px}
.card .btn{margin-top:auto;text-align:center}
.price{font:700 1.6rem "Noto Serif Bengali",serif;color:var(--gold);margin:0}
.ticks{list-style:none;padding:0;margin:8px 0 16px}
.ticks li{padding-left:1.5em;position:relative}
.ticks li::before{content:"✓";position:absolute;left:0;color:var(--ok);font-weight:700}

/* পরিচালক */
.director-row{display:grid;grid-template-columns:220px 1fr;gap:32px;align-items:start}
.director-row.full{margin-bottom:48px}
.portrait{width:220px;aspect-ratio:1/1;object-fit:cover;border-radius:50%;border:4px solid var(--gold)}
blockquote{margin:16px 0;padding:4px 0 4px 18px;border-left:4px solid var(--gold);white-space:pre-line}
@media(max-width:640px){.director-row{grid-template-columns:1fr}.portrait{width:160px}}

/* যোগাযোগ */
.two{display:grid;grid-template-columns:1fr 1fr;gap:40px}
@media(max-width:820px){.two{grid-template-columns:1fr}}
.info dt{font-weight:600;margin-top:12px}.info dd{margin:0}
.map{width:100%;height:280px;border:0;border-radius:6px;margin-top:20px}

/* ফর্ম */
.form{display:flex;flex-direction:column;gap:14px;background:#fff;border:1px solid var(--line);border-radius:6px;padding:24px}
.form label{display:flex;flex-direction:column;gap:4px;font-weight:500}
.form input,.form textarea{font:inherit;padding:10px 12px;border:1px solid #b9c4bd;border-radius:6px;background:#fff}
.form .check{flex-direction:row;align-items:center;gap:8px}
.narrow-form{max-width:380px;margin:40px auto}

/* বার্তা */
.flash{padding:10px 0;font-weight:500}
.flash.ok{background:#dff1e4;color:var(--ok)}
.flash.error{background:#f8e1de;color:var(--danger)}

/* ফুটার */
.foot{background:var(--green);color:#d6e4de;padding:40px 0;margin-top:0}
.foot a{color:#fff}
.foot-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:24px}
.foot p{margin:.2em 0}
.wa{position:fixed;right:16px;bottom:16px;background:#1f8f4e;color:#fff;padding:10px 18px;border-radius:999px;
  text-decoration:none;font-weight:600;box-shadow:0 2px 8px rgba(0,0,0,.25);z-index:30}

/* লাইটবক্স */
dialog{border:0;padding:0;max-width:92vw;background:transparent}
dialog::backdrop{background:rgba(0,0,0,.8)}
dialog img{max-height:80vh;margin:0 auto;border-radius:4px}
dialog p{color:#fff;text-align:center}
.close{position:absolute;right:6px;top:6px;background:#fff;border:0;border-radius:50%;width:36px;height:36px;cursor:pointer}

/* অ্যাডমিন */
.admin{background:#f2f4f1}
.stats{grid-template-columns:repeat(auto-fit,minmax(170px,1fr));margin-bottom:24px}
.stat{background:#fff;border:1px solid var(--line);border-radius:6px;padding:18px;text-decoration:none;color:var(--ink)}
.stat b{display:block;font:700 2rem "Noto Serif Bengali",serif;color:var(--green)}
.table-wrap{overflow-x:auto}
table{width:100%;border-collapse:collapse;background:#fff}
th,td{padding:10px 12px;border-bottom:1px solid var(--line);text-align:left;vertical-align:middle}
.thumb{width:56px;height:56px;object-fit:cover;border-radius:4px}
.thumb.big{width:140px;height:140px;margin:6px 0}
.row-actions{white-space:nowrap}
.inline{display:inline}
.link{background:none;border:0;font:inherit;color:var(--green-2);cursor:pointer;padding:6px 12px}
.link.danger{color:var(--danger)}
.msg{margin-bottom:12px}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}

/* ───── আধুনিক রূপ ───── */
:root{--r:14px;--shadow:0 10px 30px -12px rgba(11,61,54,.28)}
.top{background:rgba(255,255,255,.82);backdrop-filter:saturate(160%) blur(12px);-webkit-backdrop-filter:saturate(160%) blur(12px)}
.brand{display:flex;align-items:center;gap:10px}
.logo{width:42px;height:42px;object-fit:contain;border-radius:50%}
.top nav a{border-radius:999px;font-weight:500}
.top nav a:hover{background:var(--green);color:#fff}
.btn{border-radius:999px;transition:transform .15s,box-shadow .15s}
.btn:hover{transform:translateY(-1px);box-shadow:var(--shadow)}
.hero{padding:120px 0 110px;position:relative;overflow:hidden}
.hero::after{content:"";position:absolute;inset:auto 0 0 0;height:90px;
  background:linear-gradient(to bottom,transparent,var(--paper))}
.card{border-radius:var(--r);box-shadow:var(--shadow);border-color:transparent;transition:transform .2s}
.card:hover{transform:translateY(-4px)}
.photos img,.portrait{border-radius:var(--r)}
.form,.stat,table{border-radius:var(--r)}
.foot-brand{display:flex;gap:12px;align-items:center}
.foot-brand .logo{width:56px;height:56px;background:#fff;padding:3px}
.foot-brand p{margin:0}
.wa{border-radius:999px;box-shadow:var(--shadow)}

/* গ্যালারি */
.gal-hero{background:var(--green);color:#fff;padding:64px 0 56px;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='80' height='80'%3E%3Cpath d='M40 6l8 22 22-8-8 22 22 8-22 8 8 22-22-8-8 22-8-22-22 8 8-22L6 42l22-8-8-22 22 8z' fill='none' stroke='%23b8892b' stroke-opacity='.25' stroke-width='1.2'/%3E%3C/svg%3E")}
.gal-hero h1{font-size:clamp(1.9rem,4.5vw,3rem);margin-bottom:.2em}
.gal-hero p{margin:0;color:#cfe0d9}
.chips{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:24px}
.chip{border:1px solid var(--line);background:#fff;border-radius:999px;padding:6px 18px;
  font:500 .95rem "Hind Siliguri",sans-serif;cursor:pointer;color:var(--ink)}
.chip small{opacity:.6;margin-left:4px}
.chip.on{background:var(--green);border-color:var(--green);color:#fff}
.masonry{columns:4 220px;column-gap:16px}
.tile{break-inside:avoid;margin:0 0 16px}
.tile[hidden]{display:none}
.tile-btn{display:block;position:relative;width:100%;padding:0;border:0;border-radius:var(--r);
  overflow:hidden;cursor:zoom-in;background:var(--line);text-align:left;font:inherit;color:#fff}
.tile-btn img{width:100%;height:auto;aspect-ratio:auto;border-radius:0;transition:transform .5s}
.tile-btn:hover img{transform:scale(1.05)}
.tile-btn figcaption{position:absolute;inset:auto 0 0 0;padding:36px 14px 12px;display:flex;flex-direction:column;
  background:linear-gradient(to top,rgba(5,25,22,.85),transparent);opacity:0;transition:opacity .25s}
.tile-btn:hover figcaption,.tile-btn:focus-visible figcaption{opacity:1}
.tile-btn figcaption span{font-size:.85rem;color:#e3d3a5}
@media(hover:none){.tile-btn figcaption{opacity:1}}

/* লাইটবক্স */
dialog#lb{width:100vw;max-width:100vw;height:100vh;max-height:100vh;background:rgba(6,20,18,.94);
  color:#fff;margin:0;display:none;align-items:center;justify-content:center}
dialog#lb[open]{display:flex}
dialog#lb figure{margin:0;text-align:center;max-width:min(92vw,1000px)}
dialog#lb img{max-height:76vh;max-width:100%;margin:0 auto;border-radius:var(--r)}
dialog#lb figcaption{padding-top:12px}
dialog#lb figcaption span{display:block;color:#e3d3a5;font-size:.9rem}
dialog#lb figcaption p{margin:6px 0 0;color:#cfe0d9;white-space:pre-line}
.lb-btn{position:absolute;background:rgba(255,255,255,.14);color:#fff;border:0;border-radius:50%;
  width:46px;height:46px;font-size:1.6rem;cursor:pointer;line-height:1}
.lb-btn:hover{background:var(--gold);color:#1b1405}
.lb-close{top:16px;right:16px}.lb-prev{left:16px;top:50%}.lb-next{right:16px;top:50%}