body {
    margin: 0;
    padding: 0;
    background: #0d1117; 
    font-family: "Poppins", Arial, sans-serif;
    color: #e6e6e6;
}

nav {
    width: 100%;
    padding: 15px;
    background: rgba(85, 23, 23, 0.05);
    display: flex;
    justify-content: center;
    gap: 35px;
    backdrop-filter: blur(10px);
    position: sticky;
    top: 0;
    z-index: 999;
    border-bottom: 1px solid rgba(255,255,255,0.08);
}

nav a {
    color: #8ab4ff;
    font-size: 16px;
    text-decoration: none;
    letter-spacing: 1px;
    font-weight: 500;
    transition: 0.3s ease;
}

nav a:hover {
    color: #5fa8ff;
    transform: translateY(-2px);
}

#business-model {
    max-width: 1000px;
    margin: 50px auto;
    padding: 40px;
    background: rgba(150, 41, 41, 0.06);
    border-radius: 15px;
    backdrop-filter: blur(14px);
    box-shadow: 0 0 30px rgba(0,0,0,0.6);
    animation: fadeIn 1.2s ease;
}

#business-model h1 {
    text-align: center;
    font-size: 35px;
    font-weight: 600;
    color: #67b0ff;
    margin-bottom: 10px;
}

#business-model p {
    text-align: center;
    font-size: 17px;
    color: #cfcfcf;
}

#business-model img {
    width: 100%;
    border-radius: 12px;
    margin-top: 25px;
    box-shadow: 0 0 30px rgba(0,0,0,0.7);
    transition: transform 0.4s ease, box-shadow 0.4s ease;
}

#business-model img:hover {
    transform: scale(1.02);
    box-shadow: 0 0 50px rgba(103,176,255,0.4);
}

footer {
    text-align: center;
    margin-top: 50px;
    padding: 20px;
    background: rgba(255,255,255,0.03);
    color: #9a9a9a;
    backdrop-filter: blur(10px);
    border-top: 1px solid rgba(255,255,255,0.05);
}

footer .credit {
    font-size: 12px;
    margin-top: 5px;
    opacity: 0.7;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(25px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@media (max-width: 768px) {
    nav {
        flex-wrap: wrap;
        gap: 15px;
    }

    #business-model {
        margin: 25px;
        padding: 25px;
    }

    #business-model h1 {
        font-size: 28px;
    }
}