.featured-post{
    display:grid;
    grid-template-columns:1fr 1fr;
    gap:40px;
    align-items:center;
    border:1px solid rgba(120,180,255,.18);
    border-radius:20px;
    padding:36px;
    background:rgba(15,40,90,.22);
    margin-bottom:64px;
}

.featured-visual{
    height:220px;
    border-radius:14px;
    position:relative;
    overflow:hidden;
    background:
        radial-gradient(circle at 25% 25%,rgba(30,217,255,.22),transparent 55%),
        radial-gradient(circle at 75% 75%,rgba(244,169,74,.14),transparent 55%),
        linear-gradient(150deg,#0A3578,#061C43);
    border:1px solid rgba(120,180,255,.14);
}

.featured-post .post-tag{
    color:#58D4FF;
    font-size:10.5px;
    font-weight:700;
    letter-spacing:2.5px;
    text-transform:uppercase;
    opacity:.85;
    margin-bottom:14px;
    display:block;
}

.featured-post h2{
    font-size:clamp(20px,2.6vw,28px);
    font-weight:700;
    line-height:1.3;
    margin-bottom:14px;
    color:#F4F6FA;
}

.featured-post p{
    color:#C8D4EA;
    font-size:14px;
    line-height:1.75;
    opacity:.88;
    margin-bottom:20px;
}

.post-meta{
    display:flex;
    gap:16px;
    color:#9FB3D9;
    font-size:11.5px;
    letter-spacing:1px;
    text-transform:uppercase;
    opacity:.75;
}

.posts-grid{
    display:grid;
    grid-template-columns:repeat(3,1fr);
    gap:26px;
    margin-bottom:70px;
}

.post-card{
    border:1px solid rgba(120,180,255,.16);
    border-radius:16px;
    overflow:hidden;
    background:rgba(15,40,90,.2);
    transition:.3s;
}

.post-card:hover{
    transform:translateY(-6px);
    border-color:rgba(88,212,255,.4);
    background:rgba(15,40,90,.32);
}

.post-thumb{
    height:130px;
    background:
        radial-gradient(circle at 30% 30%,rgba(30,217,255,.16),transparent 60%),
        linear-gradient(150deg,#0A3578,#061C43);
    border-bottom:1px solid rgba(120,180,255,.14);
}

.post-card-body{
    padding:20px 20px 24px;
}

.post-card .post-tag{
    color:#58D4FF;
    font-size:10px;
    font-weight:700;
    letter-spacing:2px;
    text-transform:uppercase;
    opacity:.85;
    margin-bottom:10px;
    display:block;
}

.post-card h3{
    font-size:14.5px;
    font-weight:700;
    line-height:1.4;
    margin-bottom:10px;
    color:#F4F6FA;
}

.post-card p{
    font-size:13px;
    color:#C8D4EA;
    line-height:1.6;
    opacity:.85;
    margin-bottom:14px;
}

.notice-box{
    border:1px dashed rgba(120,180,255,.3);
    border-radius:16px;
    padding:28px 26px;
    text-align:center;
    color:#C8D4EA;
    font-size:13.5px;
    line-height:1.7;
    max-width:720px;
    margin:0 auto 40px;
    opacity:.9;
}

.notice-box strong{
    color:#F4F6FA;
}

/* ==========================
   MÓVIL (mismo breakpoint que common.css: 640px)
========================== */

@media (max-width:640px){

    .featured-post{
        grid-template-columns:1fr;
        gap:22px;
        padding:22px;
        margin-bottom:40px;
    }

    .featured-visual{
        height:170px;
    }

    .posts-grid{
        grid-template-columns:1fr;
        gap:18px;
        margin-bottom:44px;
    }

    .notice-box{
        padding:22px 18px;
        margin:0 auto 28px;
    }

}