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

body {
    line-height: 1.6;
    color: #000000;
    scroll-behavior: smooth;
}

header {
    background: #FFFFFF;
    color: #000000;
    position: sticky;
    top: 0;
    z-index: 100;
}

nav {
    max-width: 1200px;
    margin: 0 auto;
    padding: 1rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

nav .logo {
    font-size: 1.8rem;
    font-weight: 700;
}

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

nav ul li {
    margin-left: 2rem;
}

nav ul li a {
    color: #000000;
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s;
}

nav ul li a:hover {
    color: #007BFF;
}

.banner {
    position: relative;
    text-align: center;
    color: #fff;
}

.banner img {
    width: 100%;
    height: 500px;
    object-fit: cover;
    filter: brightness(70%);
}

.banner-text {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}

.banner-text h1 {
    font-size: 3rem;
	color: #fff;
    margin-bottom: 1rem;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
}

.banner-text p {
    font-size: 1.2rem;
}

.btn {
    display: inline-block;
    padding: 0.8rem 2rem;
    background: #FFFFFF;
    color: #000000;
    text-decoration: none;
    border-radius: 50px;
    margin-top: 1rem;
    transition: background 0.3s;
}

.btn:hover {
    background: #FFFFFF;
}

.btn.secondary {
    background: transparent;
    border: 2px solid #007BFF;
    color: #000000;
}

.btn.secondary:hover {
    background: #FFFFFF;
    color: #000000;
}

.intro, .courses, .testimonials, .advantages, .blog-home, .about, .courses-detail, .blog, .contact, .privacy, .terms {
    max-width: 1200px;
    margin: 0 auto;
    padding: 3rem 1rem;
    text-align: center;
}

h1 {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
    color: #000000;
}

h2 {
    font-size: 1.8rem;
    margin-bottom: 1rem;
    color: #000000;
}

.course-grid, .testimonial-grid, .blog-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.course-item, .testimonial-item, .blog-post, .blog-item {
    background: #FFFFFF;
    padding: 1.5rem;
    border-radius: 15px;
    transition: transform 0.3s;
}

.course-item:hover, .blog-post:hover, .blog-item:hover {
    transform: translateY(-5px);
}

.course-item img, .blog-post img, .blog-item img {
    width: 100%;
    height: 200px;
    object-fit: cover;
    border-radius: 10px;
    margin-bottom: 1rem;
}

.testimonial-item p {
    font-style: italic;
    color: #000000;
}

.advantages ul {
    list-style: none;
    margin-top: 1rem;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
}

.advantages ul li {
    background: #FFFFFF;
    padding: 1rem;
    border-radius: 10px;
}

.blog-home {
    background: #FFFFFF;
}

.blog-home h2 {
    margin-bottom: 2rem;
}

.blog-post-single {
    max-width: 800px;
    margin: 3rem auto;
    padding: 0 1rem;
}

.blog-post-single img {
    width: 100%;
    height: 400px;
    object-fit: cover;
    border-radius: 15px;
    margin-bottom: 1.5rem;
}

.blog-post-single h1 {
    font-size: 2.5rem;
    color: #000000;
    margin-bottom: 1rem;
}

.blog-post-single p {
    margin-bottom: 1.5rem;
    font-size: 1.1rem;
}

.blog-post-single h2 {
    font-size: 1.8rem;
    color: #000000;
    margin: 2rem 0 1rem;
}

.blog-post-single h3 {
    font-size: 1.4rem;
    color: #000000;
    margin: 1.5rem 0 0.8rem;
}

.related-posts {
    max-width: 1200px;
    margin: 3rem auto;
    padding: 0 1rem;
}

.related-posts h2 {
    font-size: 1.8rem;
    color: #000000;
    margin-bottom: 1.5rem;
}

.related-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.related-post {
    background: #FFFFFF;
    padding: 1.5rem;
    border-radius: 15px;
    transition: transform 0.3s;
}

.related-post:hover {
    transform: translateY(-5px);
}

.related-post img {
    width: 100%;
    height: 200px;
    object-fit: cover;
    border-radius: 10px;
    margin-bottom: 1rem;
}

.related-post h3 {
    font-size: 1.3rem;
    color: #000000;
    margin-bottom: 1rem;
}

.contact-info, .contact-map, .contact-form {
    margin: 2rem 0;
}

.contact-form form {
    max-width: 600px;
    margin: 0 auto;
    text-align: left;
}

.contact-form label {
    display: block;
    margin: 0.5rem 0;
    font-weight: 500;
}

.contact-form input, .contact-form textarea {
    width: 100%;
    padding: 0.8rem;
    margin-bottom: 1rem;
    border: 1px solid #ced4da;
    border-radius: 5px;
    transition: border-color 0.3s;
}

.contact-form input:focus, .contact-form textarea:focus {
    border-color: #000000;
    outline: none;
}

.contact-form textarea {
    height: 150px;
}

.contact-form button {
    width: 100%;
}

.privacy, .terms, .about, .courses-detail, .contact {
    max-width: 800px;
    margin: 3rem auto;
    padding: 0 1rem;
}

.privacy h2, .terms h2, .about h2, .courses-detail h2 {
    font-size: 1.6rem;
    margin: 1.5rem 0 0.8rem;
}

.privacy ul, .terms ul {
    list-style: disc;
    margin: 1rem 0 1.5rem 2rem;
    text-align: left;
}

footer {
    background: #FFFFFF;
    color: #000000;
    text-align: center;
    padding: 1.5rem;
    margin-top: 2rem;
}

@media (max-width: 768px) {
    .banner-text h1 {
        font-size: 2rem;
    }

    nav ul {
        flex-direction: column;
        align-items: center;
    }

    nav ul li {
        margin: 0.5rem 0;
    }

    .blog-post-single img {
        height: 300px;
    }

    .blog-post-single h1 {
        font-size: 2rem;
    }
}