body {
            font-family: 'Hind Siliguri', sans-serif;
            background-color: #f8fafc;
        }
        /* হিরো সেকশন গ্রেডিয়েন্ট ব্যাকগ্রাউন্ড */
        .hero-section {
            background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
            color: white;
            padding: 100px 0;
            position: relative;
            overflow: hidden;
        }
        .hero-section::after {
            content: '';
            position: absolute;
            width: 300px;
            height: 300px;
            background: rgba(26, 188, 156, 0.2);
            border-radius: 50%;
            top: -50px;
            right: -50px;
            filter: blur(80px);
        }
        .feature-card {
            border: none;
            border-radius: 15px;
            transition: all 0.3s ease;
            background: #fff;
        }
        .feature-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 15px 30px rgba(0,0,0,0.08)!important;
        }
        .icon-box {
            width: 60px;
            height: 60px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 12px;
            font-size: 24px;
        }
        .navbar-custom {
            background-color: #0f172a;
        }