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

body{
    background:#f4f6f9;
}

/* ===== Header ===== */
header{
    height:135px;
    background:#f4f6f9;
    color:black;
    display:flex;
    justify-content:center;
    align-items:center;
    font-size:32px;
    font-weight:bold;
}

/* ===== Navigation ===== */
nav{
    background:#0060AB;
    text-align:center;
}

nav a{
    color:white;
    text-decoration:none;
    padding:15px 25px;
    display:inline-block;
}

nav a:hover{
    background:#1e40af;
}

/* ===== Banner ===== */
.banner-wrapper{
    display:flex;
    justify-content:center;
    margin-top:20px;
}

.banner{
    width:1200px;
    height:250px;
    background-size:cover;
    background-position:center;
    border-radius:4px;
}

/* ===== Main Content ===== */
.content{
    width:1000px;
    min-height:600px;
    margin:40px auto;
    padding:40px;
    background:white;
    border-radius:6px;
}

/* ===== Download Items ===== */
.download-item{
    margin-bottom:30px;
    padding:20px;
    border:1px solid #ddd;
    border-radius:6px;
}

/* ===== News Items ===== */
.news-item{
    margin-bottom:30px;
    padding-bottom:15px;
    border-bottom:1px solid #ddd;
}

/* ===== Forms ===== */
form{
    max-width:500px;
    margin-top:30px;
}

input, textarea{
    width:100%;
    padding:10px;
    margin:10px 0;
    border:1px solid #ccc;
    border-radius:4px;
}

button{
    padding:10px 20px;
    background:#1e3a8a;
    color:white;
    border:none;
    border-radius:4px;
    cursor:pointer;
}

button:hover{
    background:#2563eb;
}

/* ===== Footer ===== */
footer{
    height:150px;
    background:#111827;
    color:white;
    display:flex;
    flex-direction:column;
    justify-content:center;
    align-items:center;
    text-align:center;
}

/* ===== Responsive ===== */
@media (max-width:1250px){
    .banner{
        width:95%;
    }
}

@media (max-width:1100px){
    .content{
        width:95%;
    }
}

/* ===== Training Grid ===== */
.video-grid{
    display:grid;
    grid-template-columns: repeat(3, 1fr);
    gap:30px;
    margin-top:30px;
}

.video-card{
    background:#fff;
    border:1px solid #ddd;
    border-radius:6px;
    overflow:hidden;
    transition:0.3s;
}

.video-card:hover{
    transform:translateY(-5px);
    box-shadow:0 8px 20px rgba(0,0,0,0.1);
}

.video-thumb{
    width:100%;
    height:180px;
    background-size:cover;
    background-position:center;
}

.video-info{
    padding:15px;
}

.video-info h3{
    font-size:16px;
    margin-bottom:8px;
}

.video-info p{
    font-size:14px;
    color:#666;
}

/* Responsive */
@media (max-width:900px){
    .video-grid{
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width:600px){
    .video-grid{
        grid-template-columns: 1fr;
    }
}

/* ===== Downloads Grid ===== */
.download-grid{
    display:grid;
    grid-template-columns: repeat(3, 1fr);
    gap:30px;
    margin-top:30px;
}

.download-card{
    background:#fff;
    border:1px solid #ddd;
    border-radius:6px;
    overflow:hidden;
    transition:0.3s;
}

.download-card:hover{
    transform:translateY(-5px);
    box-shadow:0 8px 20px rgba(0,0,0,0.1);
}

.download-thumb{
    width:100%;
    height:180px;
    background-size:cover;
    background-position:center;
}

.download-info{
    padding:15px;
}

.download-info h3{
    font-size:16px;
    margin-bottom:8px;
}

.download-info p{
    font-size:14px;
    color:#666;
    margin-bottom:10px;
}

/* Responsive */
@media (max-width:900px){
    .download-grid{
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width:600px){
    .download-grid{
        grid-template-columns: 1fr;
    }
}