css
html{
    scroll-behavior:smooth;
}

*{
    margin:0;
    padding:0;
    box-sizing:border-box;
}

body{
    background:#050914;
    color:#fff;
    font-family:'Inter',sans-serif;
    line-height:1.8;
}

.article-container{
    width:90%;
    max-width:1000px;
    margin:auto;
}

.article-header{
    padding:60px 0 40px;
    border-bottom:1px solid rgba(255,255,255,.05);
}

.article-logo{
    display:block;
    margin-bottom:30px;
}

.article-logo img{
    height:60px;
    width:auto;
    display:block;
}

.article-nav{
    display:flex;
    flex-wrap:wrap;
    gap:12px;
    margin-bottom:30px;
}

.article-nav a{
    text-decoration:none;
    color:#cfd5e2;
    background:#0f1627;
    border:1px solid rgba(255,255,255,.05);
    padding:10px 18px;
    border-radius:999px;
    transition:.3s;
    font-size:14px;
}

.article-nav a:hover{
    background:#2f7cff;
    border-color:#2f7cff;
    color:#fff;
}

.back-link{
    display:inline-block;
    margin-bottom:20px;
    color:#7fb1ff;
    text-decoration:none;
}

.breadcrumb{
    color:#8894aa;
    font-size:14px;
}

.breadcrumb a{
    color:#7fb1ff;
    text-decoration:none;
}

.article-hero{
    padding:60px 0;
}

.article-hero img{
    width:100%;
    border-radius:24px;
    margin-bottom:35px;
}

.article-hero h1{
    font-size:58px;
    line-height:1.1;
    margin-bottom:20px;
}

.article-hero p{
    color:#aab2c5;
    font-size:20px;
}

.article-content{
    padding-bottom:80px;
}

.article-content h2{
    font-size:38px;
    margin-top:60px;
    margin-bottom:20px;
}

.article-content p{
    color:#cfd5e2;
    margin-bottom:24px;
}

.article-content ul{
    padding-left:20px;
    margin:25px 0;
}

.article-content li{
    margin-bottom:10px;
}

.article-content img{
    width:100%;
    border-radius:24px;
    margin:40px 0;
}

.article-video{
    margin:50px 0;
}

.article-video iframe{
    width:100%;
    aspect-ratio:16/9;
    border:none;
    border-radius:24px;
}

.cta-box{
    margin-top:80px;
    background:linear-gradient(180deg,#111827,#0b1120);
    border:1px solid rgba(255,255,255,.05);
    border-radius:30px;
    padding:60px;
    text-align:center;
}

.cta-box h2{
    font-size:42px;
    margin-bottom:15px;
}

.cta-box p{
    max-width:700px;
    margin:auto;
    margin-bottom:30px;
}

.btn-primary{
    display:inline-block;
    text-decoration:none;
    background:#2f7cff;
    color:#fff;
    padding:16px 32px;
    border-radius:14px;
    font-weight:700;
}

.related-posts{
    margin-top:90px;
}

.related-posts h2{
    margin-bottom:30px;
    font-size:36px;
}

.related-grid{
    display:grid;
    grid-template-columns:repeat(auto-fit,minmax(250px,1fr));
    gap:25px;
}

.related-card{
    background:#0f1627;
    border:1px solid rgba(255,255,255,.05);
    border-radius:20px;
    padding:25px;
    text-decoration:none;
    color:#fff;
    transition:.3s;
}

.related-card:hover{
    transform:translateY(-5px);
    border-color:#2f7cff;
}

.article-footer{
    margin-top:100px;
    border-top:1px solid rgba(255,255,255,.05);
    padding:60px 0;
}

.article-footer-content{
    text-align:center;
}

.article-footer-logo img{
    height:60px;
    width:auto;
    margin:auto;
}

.article-footer p{
    margin-top:20px;
    color:#aab2c5;
}

@media(max-width:768px){

.article-hero h1{
    font-size:40px;
}

.article-content h2{
    font-size:30px;
}

.cta-box{
    padding:40px 25px;
}

.cta-box h2{
    font-size:30px;
}

.article-nav{
    flex-direction:column;
}

.article-nav a{
    width:100%;
    text-align:center;
}

}