/*
 * index.css — стили SEO-статьи на главной странице UniConvert.
 * Используется: index.html.
 */

.seo-article {
    margin-top: 50px;
    padding-bottom: 20px;
}
.seo-article-inner {
    background: rgba(255,255,255,0.93);
    border-radius: 24px;
    padding: 48px 52px;
    box-shadow: 0 10px 40px rgba(0,0,0,0.12);
    line-height: 1.8;
    color: #333;
    font-size: 1rem;
}
.seo-article-inner h1.article-main-title {
    font-size: 1.9rem;
    font-weight: 800;
    color: #2d1b5e;
    margin: 0 0 6px;
    line-height: 1.3;
}
.seo-article-inner .article-subtitle {
    font-size: 1.05rem;
    color: #888;
    margin-bottom: 36px;
    font-style: italic;
}
.seo-article-inner h2 {
    font-size: 1.35rem;
    font-weight: 700;
    color: #764ba2;
    margin: 38px 0 14px;
    padding-bottom: 8px;
    border-bottom: 2px solid rgba(118,75,162,0.15);
    display: flex;
    align-items: center;
    gap: 10px;
}
.seo-article-inner h2::before {
    content: '';
    display: inline-block;
    width: 5px;
    height: 22px;
    background: linear-gradient(180deg, #667eea, #764ba2);
    border-radius: 3px;
    flex-shrink: 0;
}
.seo-article-inner h3 {
    font-size: 1.1rem;
    font-weight: 700;
    color: #4a4a8a;
    margin: 28px 0 10px;
}
.seo-article-inner p {
    margin-bottom: 14px;
    color: #444;
}
.seo-article-inner ul {
    margin: 10px 0 18px 0;
    padding: 0;
    list-style: none;
}
.seo-article-inner ul li {
    position: relative;
    padding: 5px 0 5px 24px;
    color: #555;
}
.seo-article-inner ul li::before {
    content: '→';
    position: absolute;
    left: 0;
    color: #764ba2;
    font-weight: 700;
}
.seo-article-inner ol {
    margin: 10px 0 18px 0;
    padding-left: 22px;
    color: #555;
}
.seo-article-inner ol li { margin-bottom: 6px; }

.article-tip {
    background: rgba(118,75,162,0.06);
    border-left: 4px solid #764ba2;
    border-radius: 0 12px 12px 0;
    padding: 14px 18px;
    margin: 20px 0;
    color: #555;
    font-size: 0.95rem;
}
.article-tip i { color: #764ba2; margin-right: 7px; }

.article-section-toggle { cursor: pointer; }
.article-section-toggle:hover { opacity: 0.85; }

/* ── Тёмная тема ─────────────────────────────────────────────────────────────── */
[data-theme="dark"] .seo-article-inner { background: rgba(25,25,45,0.97); color: #d0d0e8; }
[data-theme="dark"] .seo-article-inner h1.article-main-title { color: #c4b5fd; }
[data-theme="dark"] .seo-article-inner .article-subtitle { color: #6060a0; }
[data-theme="dark"] .seo-article-inner h2 { color: #a78bfa; border-color: rgba(167,139,250,0.2); }
[data-theme="dark"] .seo-article-inner h3 { color: #818cf8; }
[data-theme="dark"] .seo-article-inner p  { color: #a0a0c0; }
[data-theme="dark"] .seo-article-inner ul li { color: #9090b8; }
[data-theme="dark"] .seo-article-inner ol li { color: #9090b8; }
[data-theme="dark"] .article-tip { background: rgba(124,58,237,0.1); border-color: #7c3aed; color: #9090b8; }