:root{
  --bg:#faf9f6; --fg:#1b1b1b; --muted:#6b6b6b; --line:#e4e1da; --accent:#8a5a3c;
  --max:1180px; --pad:clamp(16px,4vw,40px);
  --serif:"Cormorant Garamond","Noto Serif Bengali",Georgia,serif;
  --sans:"Inter","Hind Siliguri",system-ui,sans-serif;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{background:var(--bg);color:var(--fg);font-family:var(--sans);line-height:1.65;font-size:16px;-webkit-font-smoothing:antialiased}
html[lang=bn] body{font-size:17px}
img{max-width:100%;display:block}
a{color:inherit}
.wrap{max-width:var(--max);margin:0 auto;padding:0 var(--pad)}

/* header */
.site-header{position:sticky;top:0;z-index:20;background:rgba(250,249,246,.94);backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
.site-header .wrap{display:flex;align-items:center;justify-content:space-between;height:68px;gap:16px}
.brand{font-family:var(--serif);font-size:1.5rem;font-weight:600;text-decoration:none;letter-spacing:.01em;white-space:nowrap}
.nav{display:flex;gap:28px;align-items:center}
.nav a{text-decoration:none;font-size:.92rem;color:var(--muted);letter-spacing:.03em}
.nav a:hover,.nav a.active{color:var(--fg)}
.nav a.active{border-bottom:1px solid var(--fg)}
.lang-btn{border:1px solid var(--line);background:none;border-radius:20px;padding:4px 12px;font:inherit;font-size:.85rem;cursor:pointer;color:var(--fg)}
.menu-btn{display:none;background:none;border:0;font-size:1.6rem;cursor:pointer;color:var(--fg)}
@media(max-width:780px){
  .menu-btn{display:block}
  .nav{position:fixed;inset:68px 0 auto 0;flex-direction:column;align-items:flex-start;background:var(--bg);padding:20px var(--pad) 28px;border-bottom:1px solid var(--line);gap:18px;display:none}
  .nav.open{display:flex}
  .nav a{font-size:1.1rem}
}

/* sections */
main{min-height:70vh}
.page-head{padding:clamp(40px,7vw,80px) 0 28px}
.page-head h1{font-family:var(--serif);font-weight:500;font-size:clamp(2.2rem,5vw,3.4rem);line-height:1.15}
.page-head p{color:var(--muted);margin-top:8px}
section{padding:24px 0 64px}
.eyebrow{text-transform:uppercase;letter-spacing:.18em;font-size:.75rem;color:var(--muted)}
h2{font-family:var(--serif);font-weight:500;font-size:clamp(1.6rem,3vw,2.2rem);margin-bottom:20px}

/* hero */
.hero{display:grid;grid-template-columns:1.1fr 1fr;gap:clamp(24px,5vw,64px);align-items:center;padding:clamp(32px,6vw,72px) 0}
.hero img{width:100%;aspect-ratio:4/3;object-fit:cover}
.hero h1{font-family:var(--serif);font-weight:500;font-size:clamp(2.6rem,6vw,4.6rem);line-height:1.05}
.hero .tagline{color:var(--accent);margin:14px 0 18px;letter-spacing:.04em}
.hero .intro{color:var(--muted);max-width:44ch}
@media(max-width:780px){.hero{grid-template-columns:1fr}.hero .text{order:-1}}
.btn{display:inline-block;margin-top:26px;padding:12px 26px;border:1px solid var(--fg);text-decoration:none;font-size:.9rem;letter-spacing:.06em;transition:.2s}
.btn:hover{background:var(--fg);color:var(--bg)}
.btn.solid{background:var(--fg);color:var(--bg)}
.btn.solid:hover{background:var(--accent);border-color:var(--accent)}

/* gallery grid */
.filters{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:28px}
.filters button{border:1px solid var(--line);background:none;padding:6px 16px;border-radius:20px;font:inherit;font-size:.88rem;cursor:pointer;color:var(--muted)}
.filters button.on{background:var(--fg);color:var(--bg);border-color:var(--fg)}
.grid{columns:3 280px;column-gap:28px}
.work{break-inside:avoid;margin-bottom:32px;cursor:zoom-in}
.work img{width:100%;height:auto;background:#eee;transition:opacity .2s}
.work:hover img{opacity:.88}
.work .cap{padding-top:10px;font-size:.9rem}
.work .cap b{font-family:var(--serif);font-size:1.15rem;font-weight:600;display:block}
.work .cap span{color:var(--muted);display:block;font-size:.85rem}
.badge{display:inline-block;font-size:.72rem;margin-top:4px;color:var(--accent)}
.badge.sold{color:#a33}

/* lightbox */
.lb{position:fixed;inset:0;background:rgba(15,15,15,.94);z-index:50;display:none;align-items:center;justify-content:center;flex-direction:column;padding:20px}
.lb.open{display:flex}
.lb img{max-height:78vh;max-width:92vw;object-fit:contain}
.lb .meta{color:#eee;text-align:center;margin-top:16px;font-size:.95rem}
.lb .meta b{font-family:var(--serif);font-size:1.35rem;font-weight:500;display:block}
.lb .meta a{color:#9fe0b0;font-size:.85rem}
.lb button{position:absolute;background:none;border:0;color:#fff;font-size:2.2rem;cursor:pointer;padding:12px;opacity:.75}
.lb button:hover{opacity:1}
.lb .x{top:10px;right:14px}.lb .prev{left:6px;top:45%}.lb .next{right:6px;top:45%}

/* about */
.about{display:grid;grid-template-columns:1fr 1.3fr;gap:clamp(24px,5vw,64px);align-items:start}
.about img{width:100%;aspect-ratio:4/5;object-fit:cover}
.about p{margin-bottom:16px}
.statement{font-family:var(--serif);font-size:1.4rem;font-style:italic;border-left:2px solid var(--accent);padding-left:18px;margin:28px 0}
@media(max-width:780px){.about{grid-template-columns:1fr}}

/* lists */
.list{list-style:none;border-top:1px solid var(--line)}
.list li{display:grid;grid-template-columns:80px 1fr;gap:16px;padding:14px 0;border-bottom:1px solid var(--line)}
.list .yr{color:var(--muted);font-variant-numeric:tabular-nums}
.list .t{font-family:var(--serif);font-size:1.2rem;font-weight:600}
.list .v{color:var(--muted);font-size:.9rem}
.two-col{display:grid;grid-template-columns:1fr 1fr;gap:48px}
@media(max-width:780px){.two-col{grid-template-columns:1fr;gap:24px}}

/* contact */
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:48px}
@media(max-width:780px){.contact-grid{grid-template-columns:1fr}}
.c-item{display:flex;gap:14px;align-items:center;padding:16px 0;border-bottom:1px solid var(--line);text-decoration:none}
.c-item svg{width:22px;height:22px;flex:none}
.c-item small{display:block;color:var(--muted);font-size:.8rem}
.wa{background:#25D366;color:#fff;border:0;display:inline-flex;align-items:center;gap:10px;padding:14px 26px;text-decoration:none;font-weight:500;margin-top:8px}
.wa:hover{background:#1ebe5a}
form label{display:block;font-size:.85rem;color:var(--muted);margin:14px 0 6px}
form input,form textarea{width:100%;padding:12px;border:1px solid var(--line);background:#fff;font:inherit;color:var(--fg)}
form textarea{min-height:130px;resize:vertical}
form button{margin-top:18px;cursor:pointer;font:inherit}

/* floating whatsapp */
.wa-float{position:fixed;right:18px;bottom:18px;width:54px;height:54px;border-radius:50%;background:#25D366;display:flex;align-items:center;justify-content:center;box-shadow:0 4px 14px rgba(0,0,0,.2);z-index:30}
.wa-float svg{width:28px;height:28px;fill:#fff}

/* footer */
footer{border-top:1px solid var(--line);padding:32px 0 40px;margin-top:40px;font-size:.85rem;color:var(--muted)}
footer .wrap{display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px}
footer a{margin-left:16px;text-decoration:none}