:root{
  --bg:#0b132b;
  --card:#1c2541;
  --text:#f8fafc;
  --muted:#94a3b8;
  --accent:#fbbf24;
  --line:rgba(255,255,255,.08);
}

*{box-sizing:border-box}
html,body{margin:0;padding:0;font-family:system-ui,-apple-system,Segoe UI,Roboto,Arial; background:var(--bg); color:var(--text); line-height:1.6;}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}

.container{width:min(1120px,92%);margin:0 auto}

.nav{
  position:sticky; top:0; z-index:50;
  backdrop-filter: blur(10px);
  background:rgba(11,19,43,.75);
  border-bottom:1px solid var(--line);
}
.nav-inner{display:flex;align-items:center;justify-content:space-between;padding:14px 0}
.brand{display:flex;gap:10px;align-items:center}
.logo{
  width:38px;height:38px;border-radius:12px;
  background:linear-gradient(135deg,var(--accent),#ffd98c);
  display:grid;place-items:center;color:#111;font-weight:900
}
.brand b{letter-spacing:.2px}
.menu{display:flex;gap:18px;align-items:center}
.menu a{color:var(--muted);font-weight:700}
.menu a:hover{color:var(--text)}
.menu a.active{color:var(--text)}
.btn{
  display:inline-flex;gap:10px;align-items:center;justify-content:center;
  padding:11px 16px;border-radius:14px;border:1px solid var(--line);
  background:rgba(255,255,255,.04); color:var(--text); font-weight:800;
  transition:transform .12s ease;
}
.btn:hover{transform:translateY(-1px)}
.btn.primary{background:var(--accent); color:#121212; border-color:transparent}
.btn.small{padding:9px 12px;border-radius:12px;font-weight:800}

.hero{
  padding:56px 0 26px;
  background:
    radial-gradient(900px 420px at 15% 0%, rgba(245,196,81,.18), transparent 60%),
    radial-gradient(900px 420px at 85% 20%, rgba(91,162,255,.14), transparent 60%);
}
.grid-2{display:grid;grid-template-columns:1.25fr .85fr;gap:28px;align-items:center}
.kicker{color:var(--accent);font-weight:900;letter-spacing:.16em;font-size:.82rem;text-transform:uppercase}
.h1{font-size:2.55rem;line-height:1.12;margin:.5rem 0 1rem}
.lead{color:var(--muted);font-size:1.05rem;margin:0 0 1.2rem}

.hero-card{
  background:linear-gradient(180deg,rgba(255,255,255,.06),rgba(255,255,255,.03));
  border:1px solid var(--line);
  border-radius:22px;padding:18px;
}

.pills{display:flex;flex-wrap:wrap;gap:10px;margin:14px 0 0}
.pill{font-size:.9rem;color:var(--muted);padding:8px 10px;border:1px solid var(--line);border-radius:999px;background:rgba(255,255,255,.03)}
.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:16px}
.stat{background:rgba(255,255,255,.03);border:1px solid var(--line);border-radius:16px;padding:12px}
.stat b{font-size:1.1rem}

.section{padding:42px 0}
.section h2{margin:0 0 10px;font-size:1.65rem}
.section p.sub{margin:0 0 18px;color:var(--muted)}
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.card{
  background:rgba(255,255,255,.03);
  border:1px solid var(--line);
  border-radius:20px;padding:16px;
}
.card h3{margin:6px 0 8px}
.card p{margin:0;color:var(--muted)}
.badge{display:inline-flex;gap:8px;align-items:center;padding:7px 10px;border-radius:999px;border:1px solid var(--line);background:rgba(255,255,255,.03);color:var(--muted);font-weight:800;font-size:.9rem}
.star{color:var(--accent);font-weight:900}
.split{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.quote{
  background:linear-gradient(180deg,rgba(245,196,81,.12),rgba(255,255,255,.02));
  border:1px solid rgba(245,196,81,.25);
  border-radius:22px;padding:18px;
}
.quote p{color:var(--text);margin:10px 0 0}
.quote small{color:var(--muted)}
.cta{
  background:linear-gradient(135deg,rgba(245,196,81,.16),rgba(91,162,255,.10));
  border:1px solid var(--line);
  border-radius:26px;
  padding:22px;
  display:flex;align-items:center;justify-content:space-between;gap:14px;
}

.footer{border-top:1px solid var(--line);padding:22px 0;color:var(--muted)}
.footer a{color:var(--muted)}
.footer a:hover{color:var(--text)}

.form{display:grid;gap:10px;}
.input, textarea{
  background:rgba(255,255,255,.03);
  border:1px solid var(--line);
  color:var(--text);
  padding:12px 12px;border-radius:14px;
  outline:none;
}
textarea{min-height:120px;resize:vertical}

.mobile-toggle{display:none}
@media (max-width: 900px){
  .grid-2{grid-template-columns:1fr}
  .cards{grid-template-columns:1fr}
  .split{grid-template-columns:1fr}
  .stats{grid-template-columns:1fr}
  .menu{display:none}
  .mobile-toggle{display:inline-flex}
  .menu.open{
    display:flex;flex-direction:column;gap:10px;
    position:absolute;right:4%;top:64px;
    background:rgba(11,19,43,.95);
    border:1px solid var(--line);
    padding:14px;border-radius:18px;
    width:min(280px,92vw);
  }
}

/* Sticky WhatsApp button */
.wa-float{
  position:fixed;
  right:18px;
  bottom:18px;
  z-index:9999;
  display:inline-flex;
  align-items:center;
  gap:10px;
  padding:12px 14px;
  border-radius:999px;
  border:1px solid var(--line);
  background:rgba(11,19,43,.88);
  backdrop-filter: blur(10px);
  box-shadow: 0 10px 30px rgba(0,0,0,.35);
  transition:transform .12s ease;
}
.wa-dot{
  width:10px;height:10px;border-radius:50%;
  background:var(--accent);
}
.wa-float:hover{transform:translateY(-1px)}
.wa-float b{font-size:.95rem}
.wa-float span{color:var(--muted);font-size:.82em}

/* নতুন আধুনিক এনিমেটেড ব্যাকগ্রাউন্ড এবং গ্লাস ইফেক্ট */
:root {
  --bg: #050505; /* আরও গাঢ় ব্যাকগ্রাউন্ড */
  --card: rgba(255, 255, 255, 0.05);
  --accent: #3b82f6; /* ব্লু এক্সেন্ট */
}

body { background: var(--bg); color: #fff; overflow-x: hidden; }

/* গ্লাস কার্ড ইফেক্ট */
.card, .hero-card {
  background: var(--card);
  backdrop-filter: blur(15px);
  border: 1px solid rgba(255, 255, 255, 0.1);
  transition: transform 0.3s ease, border 0.3s ease;
}

.card:hover {
  transform: translateY(-10px);
  border-color: var(--accent);
}

/* স্মুথ এনিমেশন ক্লাস */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: all 0.8s ease-out;
}
.reveal.active {
  opacity: 1;
  transform: translateY(0);
}