:root{--bg-dark:#0f172a;--bg-darker:#020617;--primary:#10b981;--primary-dark:#059669;--card-bg:rgba(30,41,59,0.5);--card-border:rgba(255,255,255,0.08);--font-bengali:'Hind Siliguri',sans-serif;--transition:all 0.3s ease}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:var(--font-bengali);background:var(--bg-dark);color:#f8fafc;line-height:1.6;overflow-x:hidden}
a{text-decoration:none;color:#f8fafc;transition:var(--transition)}
ul{list-style:none}
.container{max-width:1200px;margin:0 auto;padding:0 2rem}
.text-center{text-align:center}
.mx-auto{margin-left:auto;margin-right:auto}
.highlight{color:var(--primary)}
h1,h2,h3,h4{font-weight:700;margin-bottom:1rem}
p{color:#94a3b8;margin-bottom:1rem}
.btn{display:inline-block;padding:0.8rem 2rem;border-radius:50px;font-weight:600;font-size:1.1rem;cursor:pointer;transition:var(--transition);text-transform:uppercase;letter-spacing:1px}
.btn-primary{background:linear-gradient(135deg,var(--primary),var(--primary-dark));box-shadow:0 4px 15px rgba(16,185,129,0.4);border:none}
.btn-primary:hover{transform:translateY(-3px);box-shadow:0 8px 25px rgba(16,185,129,0.6)}

/* Navbar */
.navbar{position:fixed;top:0;width:100%;z-index:1000;padding:1.5rem 0;transition:var(--transition)}
.navbar.scrolled{background:rgba(15,23,42,0.9);backdrop-filter:blur(10px);padding:1rem 0;border-bottom:1px solid var(--card-border)}
.nav-container{max-width:1200px;margin:0 auto;padding:0 2rem;display:flex;justify-content:space-between;align-items:center}
.logo{font-size:1.8rem;font-weight:700;color:var(--primary);display:flex;align-items:center;gap:0.5rem}
.nav-links{display:flex;gap:2rem}
.nav-links a{font-weight:500;font-size:1.1rem;position:relative}
.nav-links a:hover{color:var(--primary)}

/* Hero Section */
.hero{position:relative;min-height:100vh;display:flex;align-items:center;justify-content:center;text-align:center;padding:8rem 2rem 4rem;overflow:hidden;z-index:1}
.hero-bg-elements{position:absolute;top:0;left:0;width:100%;height:100%;z-index:-1;background:radial-gradient(circle at center,var(--bg-dark),var(--bg-darker))}
.glow-orb{position:absolute;border-radius:50%;filter:blur(100px)}
.orb-1{width:400px;height:400px;background:rgba(16,185,129,0.15);top:-100px;left:-100px}
.orb-2{width:500px;height:500px;background:rgba(245,158,11,0.1);bottom:-150px;right:-100px}
.badge{display:inline-block;padding:0.5rem 1.5rem;background:rgba(16,185,129,0.1);border:1px solid rgba(16,185,129,0.3);color:var(--primary);border-radius:50px;margin-bottom:2rem;letter-spacing:1px}
.hero-title{font-size:4rem;margin-bottom:1.5rem;line-height:1.2}
.hero-subtitle{font-size:1.25rem;margin-bottom:2.5rem;max-width:800px;margin-left:auto;margin-right:auto}

/* Sections */
.section{padding:5rem 0;position:relative}
.bg-alt{background-color:var(--bg-darker)}
.section-header{margin-bottom:3rem}
.section-header h2{font-size:2.5rem}
.divider{width:80px;height:4px;background:linear-gradient(90deg,var(--primary),transparent);border-radius:2px;margin-bottom:2rem}

/* Grids */
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:2rem}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:2rem}
.align-center{align-items:center}

/* Cards */
.card{background:var(--card-bg);border:1px solid var(--card-border);border-radius:20px;padding:2.5rem;transition:var(--transition);position:relative;overflow:hidden}
.glass-card{backdrop-filter:blur(12px)}
.card:hover{transform:translateY(-10px);border-color:rgba(16,185,129,0.3);box-shadow:0 10px 40px rgba(0,0,0,0.2)}
.card-icon{font-size:2.5rem;color:var(--primary);margin-bottom:1.5rem}
.feature-card i{font-size:3rem;color:#f59e0b;margin-bottom:1.5rem;display:inline-block}

/* Lists */
.feature-list{margin-top:2rem}
.feature-list li{margin-bottom:1rem;display:flex;align-items:flex-start;gap:1rem;font-size:1.1rem}
.feature-list i{color:var(--primary);margin-top:5px}

/* Stats */
.stats-grid{display:grid;grid-template-columns:1fr 1fr;gap:2rem}
.stat-card{background:linear-gradient(135deg,rgba(16,185,129,0.1),rgba(16,185,129,0.05));border:1px solid rgba(16,185,129,0.2);border-radius:20px;padding:2rem;text-align:center;transition:var(--transition)}
.stat-card:hover{transform:scale(1.05)}
.stat-number{font-size:3rem;color:var(--primary);margin-bottom:0.5rem}

/* Gallery */
.gallery-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:2rem}
.gallery-item{position:relative;border-radius:20px;height:250px;display:flex;align-items:flex-end;padding:2rem;overflow:hidden;background:#1e293b}
.card-pattern-1{background:radial-gradient(circle at right top,rgba(16,185,129,0.3),transparent 60%),#1e293b}
.card-pattern-2{background:radial-gradient(circle at left bottom,rgba(245,158,11,0.3),transparent 60%),#1e293b}
.card-pattern-3{background:radial-gradient(circle at center,rgba(59,130,246,0.3),transparent 60%),#1e293b}
.card-pattern-4{background:radial-gradient(circle at top left,rgba(236,72,153,0.3),transparent 60%),#1e293b}
.gallery-content{position:relative;z-index:2}
.gallery-content h4{color:#fff;margin-bottom:0.5rem;font-size:1.3rem}
.gallery-content p{color:#cbd5e1;font-size:0.95rem;margin-bottom:0}

/* Info card */
.icon-wrapper{width:70px;height:70px;background:rgba(16,185,129,0.1);border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:2rem;color:var(--primary);margin-bottom:1.5rem}

/* Footer */
.footer{background:#020617;padding:3rem 0;border-top:1px solid var(--card-border)}
.footer-bottom{border-top:1px solid rgba(255,255,255,0.05);padding-top:2rem;color:#64748b}

@media (max-width:768px){
  .grid-2,.grid-3,.stats-grid{grid-template-columns:1fr}
  .hero-title{font-size:2.5rem}
  .nav-links{display:none}
}