body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    margin: 0;
    padding: 0;
    background-color: #f9f9f9;
    color: #333;
}
header {
    position: fixed;
    top: 0;
    width: 100%;
    height: 60px;
    background-color: #001F3F; 
    color: #fff;
    padding: 0px 1px;
    text-align: center;
    box-shadow: 0px 2px 5px rgba(0, 0, 0, 0.1);
    z-index: 1000;
    transition: background-color 0.3s ease; 
}
header.scrolled {
    background-color: #961616;
}
nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.nav-brand {
    display: flex;
    align-items: center;
}
.nav-brand img {
    width: 40px;
    height: 40px;
    margin-right: 10px;
}
.nav-brand span {
    font-size: 22px;
    font-weight: bold;
}
nav .nav-links {
    display: flex;
    align-items: center;
}
nav a {
    color: #fff;
    text-decoration: none;
    margin: 0 15px;
    font-size: 16px;
}
main {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
}
.section {
    padding: 50px 20px;
    text-align: center;
}
.section h2 {
    color: #001F3F; 
    margin-bottom: 20px;
}
.course-container {
    display: flex;
    justify-content: center;
    align-items: center;
    flex-wrap: wrap;
}
.course-column {
    flex: 0 0 calc(33.33% - 40px); 
    margin-bottom: 20px;
    text-align: center;
    border: 2px solid #001F3F; 
    padding: 10px;
    border-radius: 8px;
    box-sizing: border-box; 
}
.course-column img {
    width: 100%;
    max-height: 100px; 
    object-fit: cover;
    border-radius: 8px;
}
.course-column p {
    margin-top: 10px;
}
.social-media {
    margin-top: 20px;
}
.social-media a {
    margin-right: 10px;
}
.btn-instagram {
    background: linear-gradient(135deg, #001F3F, #003366); 
    border: none;
    color: #fff;
}
.reviews-container {
    display: flex;
    justify-content: center;
    align-items: center;
    flex-wrap: wrap;
    margin-top: 20px;
}
.review {
    flex: 0 0 calc(25% - 40px); 
    margin-bottom: 20px;
    border: 2px solid #001F3F; 
    padding: 10px;
    background-color: #fff;
    border-radius: 8px;
}
.profile-pic {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    margin-bottom: 10px;
}
.review-content {
    text-align: center;
}
.review-content h2 {
    font-size: 18px;
    margin-bottom: 5px;
}
.review-text {
    font-style: italic;
}
.review-date {
    font-size: 12px;
    color: #888;
}
.slideshow-container {
    max-width: 1000px; 
    max-height: 500px; 
    position: relative;
    margin: auto;
}
.slide {
    display: none;
    max-width: 100%;
    max-height: 100%;
}
img.slide-img {
    width: 100%;
    height: 100%;
}
.course-column:not(:last-child) {
    margin-right: 20px;
}
#contact {
    display: flex;
    flex-direction: column;
    align-items: center;
}
.social-media {
    margin-top: 20px;
    display: flex;
    justify-content: center;
}
.btn-facebook {
    background-color: #0078d4; 
    color: #fff;
    padding: 10px 20px;
    border: none;
    border-radius: 5px;
    text-decoration: none;
    display: inline-block;
    margin-right: 10px; 
}
.btn-twitter {
    background-color: #000;
    color: #fff;
    padding: 10px 20px;
    border: none;
    border-radius: 5px;
    text-decoration: none;
    display: inline-block;
    margin-right: 10px;
}
.btn-instagram {
    background: linear-gradient(135deg, #8e44ad, #e91e63, #ffc107, #ff5722);
    color: #fff;
    padding: 10px 20px;
    border: none;
    border-radius: 5px;
    text-decoration: none;
    display: inline-block;
}
.footer {
    text-align: center;
    padding: 10px;
    background-color: #001F3F; 
    color: #fff;
}
.btn-apply {
    background-color: #001F3F; 
    color: #fff;
    padding: 10px 20px;
    border: none;
    border-radius: 5px;
    text-decoration: none;
    display: inline-block;
    margin-top: 10px;
}
.slideshow-container {
    max-width: 1000px; 
    max-height: 500px; 
    position: relative;
    margin: auto;
    overflow: hidden;
}
.slide {
    display: none;
    width: 100%;
    max-height: 500px; 
    position: absolute;
}
img.slide-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}
.prev, .next {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    font-size: 24px;
    color: white;
    cursor: pointer;
}
.prev {
    left: 10px;
}
.next {
    right: 10px;
}
.gray-background {
    background-color: #e1e0e0;
    width: 100%;
    box-sizing: border-box;
    padding: 50px 20px; 
    text-align: center;
}
#courses.gray-background,
#contact.gray-background {
    background-color: #e1e0e0; 
    width: 100%;
    box-sizing: border-box;
    padding: 50px 20px; 
    text-align: center;
}
.course-container {
    display: flex;
    justify-content: space-around; 
    align-items: flex-start;
    flex-wrap: wrap;
}
.course-column {
    flex: 0 0 calc(30% - 20px); 
    margin-bottom: 20px;
    text-align: center;
    border: 2px solid #001F3F; 
    padding: 10px;
    border-radius: 8px;
    box-sizing: border-box; 
}
.course-column img {
    width: 100%;
    max-height: 100px; 
    object-fit: cover;
    border-radius: 8px;
}
.course-column p {
    margin-top: 10px;
}
.bold-text {
    font-weight: bold;
}
.mySlides {
    display: none;
    width: 600px; 
    height: 600px; 
    transition: opacity 1s cubic-bezier(0.645, 0.045, 0.355, 1); 
}
.mySlides img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}
.quote {
    position: absolute;
    top: 70%;
    transform: translateY(-50%);
    font-family: 'Wide Latin'; 
    font-size: 20px;
    font-weight: 600; 
    color: #aa0b0b;
    text-align: center;
}
.left {
    left: 5cqh;
}
.right {
    right: 50px;
}