/* জেনারেল স্টাইল */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Poppins', sans-serif;
}

body {
    line-height: 1.6;
    color: #333;
}

.container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px 0;
}

.btn {
    display: inline-block;
    background: #3498db;
    color: #fff;
    padding: 10px 20px;
    border-radius: 5px;
    text-decoration: none;
    margin-top: 15px;
}

.btn:hover {
    background: #2980b9;
}

/* হেডার স্টাইল */
header {
    background: #fff;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    position: fixed;
    width: 100%;
    z-index: 1000;
}

header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
}

.logo img {
    height: 50px;
    margin-right: 10px;
}

nav ul {
    display: flex;
    list-style: none;
}

nav ul li a {
    text-decoration: none;
    color: #333;
    padding: 10px 15px;
    font-weight: 500;
}

.mobile-menu {
    display: none;
    font-size: 24px;
    cursor: pointer;
}

/* হিরো সেকশন */
.hero {
    background: linear-gradient(rgba(0, 0, 0, 0.7), rgba(0, 0, 0, 0.7)), url('images/banner.jpg');
    background-size: cover;
    background-position: center;
    height: 100vh;
    display: flex;
    align-items: center;
    text-align: center;
    color: #fff;
    padding-top: 80px;
}

.hero h2 {
    font-size: 2.5rem;
    margin-bottom: 20px;
}

/* কোর্স সেকশন */
.courses {
    padding: 80px 0;
    background: #f9f9f9;
}

.course-list {
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    margin-top: 30px;
}

.course-item {
    background: #fff;
    padding: 20px;
    border-radius: 5px;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
    width: 30%;
    margin-bottom: 20px;
}

/* ফুটার */
footer {
    background: #2c3e50;
    color: #fff;
    padding: 50px 0 0;
}

.footer-info p {
    margin: 10px 0;
}

.social-links {
    margin-top: 20px;
}

.social-links a {
    color: #fff;
    font-size: 20px;
    margin-right: 15px;
}

.copyright {
    text-align: center;
    padding: 20px 0;
    background: #1a252f;
    margin-top: 30px;
}

/* রেস্পন্সিভ ডিজাইন */
@media (max-width: 768px) {
    nav ul {
        display: none;
    }

    .mobile-menu {
        display: block;
    }

    .course-item {
        width: 100%;
    }
}