/* Seyvo Blog Article Premium Layout v9 - clean full file
   Purpose: article pages only. No generated placeholder illustration.
   If an article has an uploaded image, it is rendered as a large editorial cover below the hero. */
:root{
    --sv-blog-primary: var(--sv-primary);
    --sv-blog-primary-dark: #14327b;
    --sv-blog-navy: var(--seyvo-ink);
    --sv-blog-text: #334155;
    --sv-blog-muted: #64748b;
    --sv-blog-border: #e5e7eb;
    --sv-blog-soft: var(--seyvo-cream);
    --sv-blog-soft-2: #f1f5f9;
    --sv-blog-card-shadow: 0 24px 60px rgba(15, 23, 42, .08);
    --sv-blog-soft-shadow: 0 14px 35px rgba(15, 23, 42, .06);
    --sv-blog-radius: 1.35rem;
}

.sv-article-shell{
    background:
        radial-gradient(circle at 10% 0%, var(--seyvo-success-soft), transparent 24rem),
        radial-gradient(circle at 95% 5%, var(--seyvo-success-soft), transparent 28rem),
        var(--seyvo-white);
    padding: 1.25rem 0 4rem;
}

.sv-article-container{
    width: min(100% - 2rem, 1380px);
    margin-inline: auto;
}

.sv-article-breadcrumb-wrap{ margin-bottom: 1rem; }
.sv-article-breadcrumbs{ margin-bottom: 0; color: var(--sv-blog-muted); }
.sv-article-breadcrumbs a{ color: var(--sv-blog-primary); }
.sv-article-breadcrumbs .active{
    display: inline-block;
    max-width: 38rem;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    vertical-align: bottom;
}

.sv-article-hero{
    position: relative;
    display: block;
    min-height: auto;
    padding: clamp(1.75rem, 4vw, 3.5rem);
    border: 1px solid var(--seyvo-primary-500);
    border-radius: calc(var(--sv-blog-radius) + .25rem);
    background:
        linear-gradient(135deg, var(--seyvo-primary-500), var(--seyvo-primary-500)),
        radial-gradient(circle at 88% 35%, var(--seyvo-success-soft), transparent 24rem);
    box-shadow: var(--sv-blog-card-shadow);
    overflow: hidden;
}

.sv-article-hero:before{
    content: "";
    position: absolute;
    inset: 0;
    background-image: radial-gradient(var(--seyvo-success-soft) 1px, transparent 1px);
    background-size: 22px 22px;
    opacity: .22;
    pointer-events: none;
    mask-image: linear-gradient(90deg, transparent, var(--seyvo-black) 35%, transparent 100%);
}

.sv-article-hero-copy{
    position: relative;
    z-index: 1;
    max-width: 950px;
}

.sv-article-meta-row{
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: .7rem 1rem;
    margin-bottom: 1.15rem;
    color: var(--sv-blog-muted);
    font-size: .9rem;
    font-weight: 650;
}

.sv-article-meta-row span, .sv-article-meta-row a{
    display: inline-flex;
    align-items: center;
    gap: .45rem;
}

.sv-article-category-pill{
    border: 1px solid rgba(var(--seyvo-primary-rgb), .18);
    background: linear-gradient(135deg, var(--sv-blog-primary), var(--sv-primary-dark));
    color: var(--seyvo-white);
    box-shadow: 0 10px 20px rgba(var(--seyvo-primary-rgb), .18);
    border-radius: 999px;
    padding: .48rem .78rem;
    text-decoration: none;
}

.sv-article-hero h1{
    max-width: 930px;
    color: var(--sv-blog-navy);
    font-size: clamp(2.35rem, 4.5vw, 5rem);
    line-height: .98;
    letter-spacing: -.06em;
    font-weight: 850;
    margin: 0 0 1.15rem;
}

.sv-article-hero-description{
    max-width: 780px;
    color: #475569;
    font-size: clamp(1rem, 1.15vw, 1.18rem);
    line-height: 1.75;
    margin-bottom: 1.5rem;
}

.sv-article-author{
    display: flex;
    align-items: center;
    gap: .85rem;
    color: var(--sv-blog-navy);
}

.sv-article-author-avatar{
    width: 46px;
    height: 46px;
    display: grid;
    place-items: center;
    border-radius: 50%;
    color: var(--seyvo-white);
    font-weight: 800;
    background: linear-gradient(135deg, var(--sv-blog-primary), var(--sv-blog-navy));
    box-shadow: 0 14px 26px rgba(var(--seyvo-primary-rgb), .18);
}

.sv-article-author span{ display: block; font-weight: 800; }
.sv-article-author small{ color: var(--sv-blog-muted); font-weight: 600; }

.sv-article-cover{
    margin: 1.5rem 0 0;
    border: 1px solid var(--seyvo-primary-500);
    border-radius: calc(var(--sv-blog-radius) + .1rem);
    background: var(--seyvo-white);
    box-shadow: var(--sv-blog-card-shadow);
    overflow: hidden;
}

.sv-article-cover img{
    display: block;
    width: 100%;
    height: clamp(280px, 38vw, 520px);
    object-fit: cover;
}

.sv-article-cover figcaption{
    padding: .85rem 1.1rem;
    color: var(--sv-blog-muted);
    font-size: .88rem;
    border-top: 1px solid var(--sv-blog-border);
    background: var(--seyvo-white);
}

.sv-article-grid{
    display: grid;
    grid-template-columns: minmax(0, 1fr) 360px;
    gap: 1.75rem;
    align-items: start;
    margin-top: 1.75rem;
}

.sv-article-main{ min-width: 0; }

.sv-article-toc{
    display: grid;
    grid-template-columns: auto minmax(0, 1fr);
    align-items: start;
    gap: .85rem 1rem;
    padding: .95rem 1.15rem;
    border: 1px solid var(--sv-blog-border);
    border-radius: 1.05rem;
    background: var(--seyvo-primary-500);
    box-shadow: var(--sv-blog-soft-shadow);
    margin-bottom: 1.5rem;
    overflow: hidden;
}

.sv-article-toc-title{
    display: inline-flex;
    align-items: center;
    gap: .6rem;
    color: var(--sv-blog-navy);
    white-space: nowrap;
    min-width: 0;
}
.sv-article-toc-title i{ color: var(--sv-blog-primary); }

.sv-article-toc-links{
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: .45rem;
    min-width: 0;
    overflow: hidden;
}

.sv-article-toc-links a{
    display: inline-flex;
    align-items: center;
    max-width: 100%;
    min-width: 0;
    padding: .5rem .75rem;
    border-radius: 999px;
    color: var(--sv-blog-muted);
    background: var(--sv-blog-soft);
    font-size: .82rem;
    line-height: 1.2;
    font-weight: 700;
    text-decoration: none;
    transition: .2s ease;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.sv-article-toc-links a:hover{ color: var(--seyvo-white); background: var(--sv-blog-primary); }

.sv-article-content-card{
    border: 1px solid var(--sv-blog-border);
    border-radius: var(--sv-blog-radius);
    background: var(--seyvo-white);
    box-shadow: var(--sv-blog-soft-shadow);
    padding: clamp(1.35rem, 3vw, 2.65rem);
}

.sv-article-lead-box{
    display: grid;
    grid-template-columns: 4px 1fr;
    gap: 1rem;
    margin-bottom: 2rem;
    padding: 1.1rem 1.2rem;
    background: linear-gradient(135deg, #f8fbff, var(--seyvo-white));
    border: 1px solid var(--seyvo-success-soft);
    border-radius: 1rem;
}
.sv-article-lead-box span{ display: block; border-radius: 999px; background: var(--sv-blog-primary); }
.sv-article-lead-box p{ margin: 0; font-size: 1.05rem; line-height: 1.8; color: #1e293b; font-weight: 650; }

.sv-blog-post-content{
    color: #243044;
    font-size: 1.04rem;
    line-height: 1.86;
    word-break: break-word;
}

.sv-blog-post-content h2, .sv-blog-post-content h3, .sv-blog-post-content h4{
    color: var(--sv-blog-navy);
    letter-spacing: -.035em;
    font-weight: 830;
    margin-top: 2.15rem;
    margin-bottom: .95rem;
    line-height: 1.18;
}
.sv-blog-post-content h2{ font-size: clamp(1.55rem, 2vw, 2.1rem); padding-top: .35rem; }
.sv-blog-post-content h3{ font-size: 1.35rem; }
.sv-blog-post-content p{ margin-bottom: 1.1rem; }
.sv-blog-post-content a{ color: var(--sv-blog-primary); font-weight: 750; }
.sv-blog-post-content strong{ color: var(--sv-blog-navy); font-weight: 800; }
.sv-blog-post-content ul, .sv-blog-post-content ol{ padding-left: 1.2rem; margin-bottom: 1.4rem; }
.sv-blog-post-content li{ margin-bottom: .55rem; }

.sv-blog-post-content blockquote{
    position: relative;
    margin: 2rem 0;
    padding: 1.35rem 1.5rem 1.35rem 4.3rem;
    border: 1px solid var(--seyvo-success-soft);
    border-radius: 1rem;
    background: linear-gradient(135deg, #f8fbff, var(--seyvo-white));
    color: #1e293b;
    font-size: 1.15rem;
    font-weight: 650;
}
.sv-blog-post-content blockquote:before{
    content: "“";
    position: absolute;
    left: 1.35rem;
    top: .7rem;
    color: var(--sv-blog-primary);
    font-size: 4rem;
    line-height: 1;
    font-weight: 900;
}

.sv-blog-post-content table{
    width: 100%;
    margin: 1.5rem 0;
    border-collapse: separate;
    border-spacing: 0;
    overflow: hidden;
    border: 1px solid var(--sv-blog-border);
    border-radius: .9rem;
}
.sv-blog-post-content th, .sv-blog-post-content td{ padding: .85rem 1rem; border-bottom: 1px solid var(--sv-blog-border); }
.sv-blog-post-content th{ background: var(--sv-blog-soft); color: var(--sv-blog-navy); }
.sv-blog-post-content img{ max-width: 100%; border-radius: 1.1rem; box-shadow: 0 18px 35px rgba(15,23,42,.08); }

.sv-article-inline-cta{
    position: relative;
    display: flex;
    align-items: center;
    gap: 1.15rem;
    margin-top: 2.5rem;
    padding: 1.35rem;
    border-radius: 1.25rem;
    color: var(--seyvo-white);
    background:
        radial-gradient(circle at 15% 5%, rgba(var(--seyvo-primary-rgb), .55), transparent 18rem),
        linear-gradient(135deg, var(--sv-primary-dark), var(--sv-primary-dark) 54%, var(--sv-blog-primary));
    box-shadow: 0 24px 55px rgba(var(--seyvo-primary-rgb), .22);
    overflow: hidden;
}
.sv-article-inline-cta:after{
    content: "";
    position: absolute;
    inset: 0;
    background-image: radial-gradient(rgba(var(--seyvo-primary-rgb), .25) 1px, transparent 1px);
    background-size: 18px 18px;
    opacity: .28;
    pointer-events: none;
}
.sv-article-inline-cta > *{ position: relative; z-index: 1; }
.sv-article-inline-cta > div:nth-child(2){ min-width: 0; flex: 1 1 auto; }
.sv-article-inline-cta-icon{
    width: 48px;
    height: 48px;
    min-width: 48px;
    display: grid;
    place-items: center;
    border-radius: 16px;
    background: var(--seyvo-success-soft);
    color: var(--seyvo-white);
}
.sv-article-inline-cta span{
    display: block;
    color: rgba(var(--seyvo-primary-rgb), .75);
    font-size: .78rem;
    text-transform: uppercase;
    letter-spacing: .08em;
    font-weight: 800;
    margin-bottom: .25rem;
}
.sv-article-inline-cta h2{ margin: 0 0 .3rem; font-size: 1.25rem; color: var(--seyvo-white); overflow-wrap: anywhere; }
.sv-article-inline-cta p{ margin: 0; color: rgba(var(--seyvo-primary-rgb), .78); line-height: 1.6; overflow-wrap: anywhere; max-width: 52rem; }
.sv-article-inline-cta-btn, .sv-article-inline-cta .btn{
    display: inline-flex;
    align-items: center;
    justify-content: center;
    white-space: nowrap;
    color: var(--sv-primary-dark);
    font-weight: 850;
    flex: 0 0 auto;
    border-radius: .9rem;
}

.sv-article-rating-wrap{ margin-top: 2rem; padding-top: 2rem; border-top: 1px solid var(--sv-blog-border); }

.sv-article-share-card{
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    margin-top: 1.25rem;
    padding: 1.1rem 1.2rem;
    border: 1px solid var(--sv-blog-border);
    border-radius: 1.05rem;
    background: var(--seyvo-white);
    box-shadow: var(--sv-blog-soft-shadow);
}
.sv-article-share-card strong{ display: block; color: var(--sv-blog-navy); }
.sv-article-share-card small{ display: block; color: var(--sv-blog-muted); }

.sv-article-sidebar-col{ min-width: 0; }
.sv-article-sidebar{ position: sticky; top: 1rem; }


.sv-blog-cta-premium{
    position: relative;
    overflow: hidden;
    color: var(--seyvo-white);
    border: 0;
    background:
        radial-gradient(circle at 15% 5%, rgba(var(--seyvo-primary-rgb), .55), transparent 13rem),
        linear-gradient(135deg, #0f2456, #173c91 55%, var(--sv-blog-primary));
    box-shadow: 0 24px 55px rgba(var(--seyvo-primary-rgb), .24);
}
.sv-blog-cta-premium:after{
    content: "";
    position: absolute;
    inset: 0;
    background-image: radial-gradient(rgba(var(--seyvo-primary-rgb), .26) 1px, transparent 1px);
    background-size: 17px 17px;
    opacity: .26;
    pointer-events: none;
}
.sv-blog-cta-premium > *{ position: relative; z-index: 1; }

.sv-blog-cta-premium h3{ color: var(--seyvo-white); font-size: 1.28rem; line-height: 1.16; letter-spacing: -.035em; margin-bottom: .6rem; font-weight: 850; }
.sv-blog-cta-premium p{ color: rgba(var(--seyvo-primary-rgb), .75); line-height: 1.55; }
.sv-blog-cta-button{ border-radius: .85rem; color: var(--sv-primary-dark); font-weight: 850; }

.sv-blog-widget-title-row h3{ margin: 0 0 .85rem; color: var(--sv-blog-navy); font-size: 1.05rem; font-weight: 850; letter-spacing: -.025em; }
.sv-blog-search-group .form-control, .sv-blog-search-group .btn{ border-radius: .85rem; }

.sv-blog-category-list-premium, .sv-blog-popular-list-premium{ display: grid; gap: .45rem; }
.sv-blog-category-list-premium a{
    display: grid;
    grid-template-columns: 1fr auto auto;
    align-items: center;
    gap: .65rem;
    padding: .75rem .85rem;
    border-radius: .9rem;
    background: var(--sv-blog-soft);
    color: var(--sv-blog-text);
    text-decoration: none;
    transition: .2s ease;
}
.sv-blog-category-list-premium a:hover{ background: #eef4ff; color: var(--sv-blog-primary); transform: translateX(2px); }
.sv-blog-category-list-premium small{
    min-width: 1.75rem;
    padding: .12rem .42rem;
    border-radius: 999px;
    background: var(--seyvo-white);
    color: var(--sv-blog-muted);
    text-align: center;
    font-size: .72rem;
    font-weight: 800;
}







@media (max-width: 1199.98px) {
    .sv-article-grid{ grid-template-columns: 1fr; }
    .sv-article-sidebar{ position: static; }
}

@media (max-width: 767.98px) {
    .sv-article-container{ width: min(100% - 1rem, 1380px); }
    .sv-article-hero{ padding: 1.35rem; border-radius: 1.1rem; }
    .sv-article-hero h1{ font-size: clamp(2rem, 12vw, 3rem); letter-spacing: -.045em; }
    .sv-article-cover img{ height: 230px; }
    .sv-article-toc{ grid-template-columns: 1fr; }
    .sv-article-toc-links a{ white-space: normal; }
    .sv-article-content-card{ padding: 1.15rem; }
    .sv-article-inline-cta{ flex-direction: column; align-items: flex-start; }
    .sv-article-inline-cta-btn{ width: 100%; }
    .sv-article-share-card{ flex-direction: column; align-items: flex-start; }
}

@media (prefers-color-scheme: dark) {
    .sv-article-shell{ background: #0b1120; }
    .sv-article-hero, .sv-article-content-card, .sv-article-cover, .sv-article-share-card, .sv-article-toc{ background: #111827; border-color: rgba(var(--seyvo-primary-rgb), .18); }
    .sv-article-hero h1, .sv-article-author, .sv-blog-post-content h2, .sv-blog-post-content h3, .sv-blog-post-content h4, .sv-blog-widget-title-row h3, .sv-article-share-card strong{ color: var(--seyvo-cream); }
    .sv-blog-post-content, .sv-article-hero-description, .sv-article-lead-box p{ color: #cbd5e1; }
    .sv-article-lead-box, .sv-blog-post-content blockquote, .sv-blog-post-content th, .sv-article-toc-links a, .sv-blog-category-list-premium a{ background: var(--seyvo-ink); }
}