/* Umumiy sozlamalar */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Arial', sans-serif;
}

body {
    background-color: #accffc;
    color: #333;
    line-height: 1.8;
    font-size: 16px;
    padding-top: 70px;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

/* Header Section */
header {
    text-align: center;
    background-color: #2c3e50;
    color: white;
    padding: 40px 20px;
    border-radius: 12px;
    margin-bottom: 40px;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
}

header h2 {
    font-size: 2.5rem;
    font-weight: bold;
    margin-bottom: 15px;
}

header h3 {
    font-size: 1.4rem;
    font-weight: normal;
    color: #ecf0f1;
}

/* Nav Styling (Chapda va boshida) */
nav {
    position: fixed;
    top: 70px; /* Navigatsiyani yuqoriga joylashtirish */
    left: 0;
    background-color: #34495e;
    width: 200px;
    height: 100%;
    padding-top: 40px;
    box-shadow: 4px 0 10px rgba(0, 0, 0, 0.1);
    z-index: 1000;
}

nav a {
    display: block;
    padding: 15px;
    text-decoration: none;
    color: #ecf0f1;
    font-size: 1.1rem;
    font-weight: bold;
    margin: 10px 0;
    border-radius: 5px;
    transition: background-color 0.3s, padding-left 0.3s;
}

nav a:hover {
    background-color: #1abc9c;
    padding-left: 20px;
}

/* Main Content Styling */
section {
    margin-left: 220px; /* Nav paneli kengligi bilan hisoblash */
    padding: 20px;
    max-width: 1200px;
}

h3 {
    color: #2980b9;
    font-size: 2rem;
    margin-bottom: 15px;
}

h4 {
    color: #2c3e50;
    font-size: 1.5rem;
    margin-bottom: 10px;
}

ul {
    list-style-type: square;
    margin-left: 20px;
    padding-left: 10px;
}

ul li {
    margin-bottom: 12px;
}

/* Asosiy texnologiyalar */
h3, h4 {
    font-weight: bold;
}

/* Mobile (Responsive) Dizayn */
@media (max-width: 768px) {
    nav {
        position: static;
        width: 100%;
        height: auto;
        box-shadow: none;
    }

    nav a {
        padding: 12px;
        font-size: 1rem;
    }

    section {
        margin-left: 0;
    }

    header h2 {
        font-size: 2rem;
    }

    h3 {
        font-size: 1.6rem;
    }

    h4 {
        font-size: 1.3rem;
    }
}