/* ========== Global ========== */
:root{
  --bg:#0b1220;
  --card:#0f172a;
  --muted:#94a3b8;
  --brand:#4f46e5;
  --brand-2:#22d3ee;
  --text:#e2e8f0;
  --white:#ffffff;
}
*{ box-sizing: border-box; }
html,body{ margin:0; padding:0; font-family: 'Inter', system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, 'Noto Sans', 'Noto Sans Bengali', sans-serif; color:var(--text); background:#0b1020;}
a{ color:inherit; text-decoration:none; }
.container{ width:min(1100px, 92%); margin:0 auto; }

/* ========== Header ========== */
.site-header{ position:sticky; top:0; z-index:1000; background:rgba(11,16,32,0.8); backdrop-filter: blur(8px); border-bottom:1px solid rgba(255,255,255,0.06); }
.nav{ display:flex; align-items:center; justify-content:space-between; padding:14px 0;}
.brand{ display:flex; align-items:center; gap:10px; font-weight:700; letter-spacing:.2px; }
.brand-logo{ width:40px; height:40px; border-radius:10px; object-fit:cover; border:1px solid rgba(255,255,255,0.15); }
nav a{ padding:8px 12px; border-radius:10px; color:var(--muted); }
nav a.active, nav a:hover{ color:var(--text); background:rgba(255,255,255,0.06); }

/* ========== Hero (Home) ========== */
.hero{ 
  position:relative; 
  min-height:68vh; 
  display:grid; 
  place-items:center; 
  background: url('https://images.unsplash.com/photo-1611587475750-54c3325d7062?q=80&w=1332&auto=format&fit=crop&ixlib=rb-4.1.0&ixid=M3wxMjA3fDB8MHxwaG90by1wYWdlfHx8fGVufDB8fHx8fA%3D%3D') center/cover no-repeat; 
}

/* Buttons */
.btn{ display:inline-block; padding:12px 18px; border-radius:12px; border:1px solid rgba(255,255,255,.12); transition:.2s transform, .2s background, .2s color, .2s border; }
.btn.primary{ background: linear-gradient(135deg, var(--brand), var(--brand-2)); color:var(--white); border-color: transparent; }
.btn.outline{ color:var(--text); background:transparent; }
.btn.inverse{ background:transparent; color:var(--white); border-color:rgba(255,255,255,.35); }
.btn.small{ padding:8px 12px; font-size:14px; }
.btn:hover{ transform: translateY(-1px); }

/* ========== Sections ========== */
main section{ padding: 56px 0; }
.about .lead{ color:#cbd5e1; font-size:18px; max-width:900px; }
.values .cards{ display:grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap:16px; margin-top:18px; }
.card{ background: linear-gradient(180deg, rgba(255,255,255,0.03), rgba(255,255,255,0.02)); border:1px solid rgba(255,255,255,0.06); padding:18px; border-radius:14px; }
.card h3{ margin:0 0 6px; color:#e5e7eb; }

.stats{ background: linear-gradient(180deg, rgba(79,70,229,.08), rgba(34,211,238,.06)); border-top:1px solid rgba(255,255,255,.06); border-bottom:1px solid rgba(255,255,255,.06); }
.stats-grid{ display:grid; grid-template-columns: repeat(3, 1fr); gap:16px; text-align:center; }
.stat{ display:block; font-weight:800; font-size: clamp(28px, 4.5vw, 40px); }
.label{ display:block; color:#cbd5e1; margin-top:6px; }

.cta-banner{ background: linear-gradient(90deg, rgba(79,70,229,.18), rgba(34,211,238,.18)); border-top:1px solid rgba(255,255,255,.06); border-bottom:1px solid rgba(255,255,255,.06); }
.banner-inner{ text-align:center; }
.center{ text-align:center; margin-top:18px; }

/* ========== Sub-Hero (Inner pages) ========== */
.sub-hero{ padding:32px 0; background: linear-gradient(180deg, rgba(255,255,255,0.03), rgba(255,255,255,0.02)); border-bottom:1px solid rgba(255,255,255,0.06); }
.sub-hero h1{ margin:0 0 6px; }

/* ========== Filters (Properties) ========== */
.filters{ display:grid; grid-template-columns: repeat(5, 1fr); gap:12px; align-items:end; margin:24px 0; }
.field{ display:flex; flex-direction:column; gap:6px; }
.field label{ color:#cbd5e1; font-size:14px; }
.filters input, .filters select{ background:#0f162c; border:1px solid rgba(255,255,255,.08); color:var(--text); padding:10px 12px; border-radius:10px; outline:none; }
.filters .btn{ width:100%; }

.grid{ display:grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap:16px; }
.card.listing{ padding:0; overflow:hidden; }
.card.listing img{ width:100%; height:170px; object-fit:cover; display:block; }
.card.listing .pad{ padding:14px; }
.price{ font-weight:700; margin-top:6px; }

.pagination{ display:flex; align-items:center; justify-content:center; gap:12px; margin:24px 0 56px; color:#cbd5e1; }

/* ========== Contact ========== */
.contact-grid{ display:grid; grid-template-columns: 2fr 1fr; gap:20px; }
.contact-form{ background: linear-gradient(180deg, rgba(255,255,255,.03), rgba(255,255,255,.02)); border:1px solid rgba(255,255,255,.06); padding:18px; border-radius:14px; }
.contact-form .two{ display:grid; grid-template-columns: 1fr 1fr; gap:12px; }
.contact-form .field{ display:flex; flex-direction:column; gap:6px; }
.contact-form input, .contact-form select, .contact-form textarea{ background:#0f162c; border:1px solid rgba(255,255,255,.08); color:var(--text); padding:12px; border-radius:12px; outline:none; }
.contact-form textarea{ resize:vertical; }
.form-note{ color:#94a3b8; font-size:13px; margin-top:8px; }
.contact-aside .box{ background: linear-gradient(180deg, rgba(255,255,255,.03), rgba(255,255,255,.02)); border:1px solid rgba(255,255,255,.06); padding:18px; border-radius:14px; }
.contact-aside .box + .box{ margin-top:12px; }

/* ========== Footer ========== */
.site-footer{ border-top:1px solid rgba(255,255,255,.06); background:#0b0f1e; }
.footer-grid{ display:grid; grid-template-columns: repeat(3, 1fr); gap:16px; padding:24px 0; }
.site-footer h4{ margin:0 0 8px; }
.site-footer ul{ list-style:none; padding:0; margin:0; }
.site-footer a{ color:#cbd5e1; }
.site-footer a:hover{ color:var(--text); }
.copyright{ text-align:center; padding:12px 0 22px; color:#94a3b8; font-size:14px; }

/* ========== Responsive ========== */
@media (max-width: 900px){
  .filters{ grid-template-columns: 1fr 1fr; }
  .contact-grid{ grid-template-columns: 1fr; }
  .contact-form .two{ grid-template-columns: 1fr; }
  .stats-grid{ grid-template-columns: 1fr 1fr 1fr; }
  .footer-grid{ grid-template-columns: 1fr 1fr; }
}
@media (max-width: 600px){
  nav a{ padding:8px 10px; }
  .filters{ grid-template-columns: 1fr; }
  .stats-grid{ grid-template-columns: 1fr; }
  .footer-grid{ grid-template-columns: 1fr; }
}