body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
    background-color: #121212; 
    color: #e0e0e0; 
}


header {
    background-color: #1a1a1a;
    color: white;
    padding: 20px 0;
    text-align: center;
}

header .logo img {
    width: 150px;
}


nav ul {
    list-style: none;
    padding: 0;
    text-align: center;
}

nav ul li {
    display: inline;
    margin: 0 15px;
}

nav ul li a {
    color: white;
    text-decoration: none;
    font-weight: bold;
    transition: color 0.3s;
}

nav ul li a:hover {
    color: #5c9fdf;
}


.carousel {
    width: 100%;
    max-width: 1350px; 
    max-height: 650px; 
    overflow: hidden;
    position: relative;
    margin: 0 auto; 
}

.carousel-slide {
    display: flex;
    transition: transform 1s ease;
}

.carousel-slide img {
    width: 100%;
    height: 100%;
    object-fit: cover; 
    display: none;
}

.carousel-slide img:first-child {
    display: block;
}


.sidebar {
    width: 250px;
    background-color: #1f1f1f;
    padding: 20px;
    float: left;
}

.sidebar img {
    width: 100%;
    height: auto;
}

.sidebar-item button {
    background-color: #5c9fdf;
    color: #fff;
    border: none;
    padding: 10px 20px;
    font-size: 16px;
    cursor: pointer;
    border-radius: 5px;
    transition: background-color 0.3s;
}

.sidebar-item button:hover {
    background-color: #4a8dbf;
}


main {
    margin-left: 270px;
    padding: 20px;
}

h1 {
    color: #ffffff;
}

h2 {
    color: #dddddd;
}

p {
    color: #cccccc;
    line-height: 1.6;
}


table {
    width: 100%;
    margin-top: 20px;
    border-collapse: collapse;
}

th, td {
    padding: 12px;
    text-align: left;
    border: 1px solid #555;
}

th {
    background-color: #333;
    color: #fff;
}

td {
    background-color: #1f1f1f;
    color: #e0e0e0;
}

tr:nth-child(even) td {
    background-color: #292929;
}

tr:hover {
    background-color: #444;
}


footer {
    background-color: #1a1a1a;
    color: white;
    text-align: center;
    padding: 10px;
}

footer .footer-logo img {
    width: 100px;
}

footer p {
    font-size: 14px;
}


button a {
    text-decoration: none;
    color: white;
    font-weight: bold;
}

button a:hover {
    color: #4a8dbf;
}




@media (max-width: 768px) {
    
    .sidebar {
        width: 100%;
        margin-bottom: 20px;
        float: none;
    }

    
    main {
        margin-left: 0;
        padding: 10px;
    }

    nav ul li {
        display: block;
        margin: 10px 0;
    }

    nav ul li a {
        font-size: 18px;
    }

    .footer-content {
        display: block;
    }

    
    .logo img {
        width: 120px;
    }

    
    .sidebar-item button {
        width: 100%;
    }
}


@media (max-width: 480px) {
    
    .logo img {
        width: 100px;
    }

    
    .sidebar {
        padding: 10px;
    }

    
    main {
        padding: 5px;
    }

    
    h1, h2, h3 {
        font-size: 20px;
    }

    
    p {
        font-size: 14px;
    }
}

/* CTA + GOTO (added) */
.cta-center{display:flex;justify-content:center;align-items:center;margin:24px 0}
.btn-register,
.goto-button{
  display:inline-block;
  padding:12px 20px;
  border-radius:8px;
  background-color:#5c9fdf;
  color:#fff;
  font-weight:700;
  text-decoration:none;
  transition:background-color .25s ease, transform .08s ease;
}
.btn-register:hover,
.goto-button:hover{background-color:#4a8dbf; text-decoration:none; transform:translateY(-1px)}
.goto-button{width:100%; text-align:center; display:block}