/* =========================================================================
   BLOG / «Полезная информация»  (/info)
   Стиль на основе дизайн-переменных темы (variables.css).
   Классы с префиксом .ef-blog / .ef-article / .ef-toc — во избежание коллизий.
   ========================================================================= */

/* ---------- HERO (список) ---------- */
.ef-blog-hero {
    background: linear-gradient(135deg, var(--c-deep-blue) 0%, #0a3a41 100%);
    color: var(--c-white);
    padding: 70px 0 60px;
    position: relative;
    overflow: hidden;
}
.ef-blog-hero::after {
    content: "";
    position: absolute;
    right: -80px; top: -80px;
    width: 320px; height: 320px;
    background: radial-gradient(circle, rgba(207,160,82,.25) 0%, transparent 70%);
    pointer-events: none;
}
.ef-blog-hero .container { position: relative; z-index: 1; }
.ef-blog-hero__eyebrow {
    display: inline-flex; align-items: center; gap: 8px;
    font-size: .8rem; font-weight: 600; text-transform: uppercase;
    letter-spacing: .08em; color: var(--c-gold); margin-bottom: 14px;
}
.ef-blog-hero__title {
    color: var(--c-white);
    font-size: clamp(1.8rem, 4vw, 2.8rem);
    line-height: 1.15; margin: 0 0 14px;
}
.ef-blog-hero__subtitle {
    max-width: 640px; margin: 0;
    font-size: clamp(1rem, 2vw, 1.15rem);
    color: rgba(255,255,255,.85);
}

/* ---------- FILTER CHIPS ---------- */
.ef-blog-filters { display: flex; flex-wrap: wrap; gap: 10px; margin: 34px 0 6px; }
.ef-blog-chip {
    display: inline-flex; align-items: center; gap: 6px;
    padding: 8px 16px; border-radius: 999px;
    background: var(--c-white); border: 1px solid var(--c-sand-dark);
    color: var(--c-text-main); font-size: .9rem; font-weight: 600;
    line-height: 1; transition: all .25s ease; white-space: nowrap;
}
.ef-blog-chip:hover { border-color: var(--c-gold); color: var(--c-deep-blue); transform: translateY(-1px); }
.ef-blog-chip.is-active { background: var(--c-gold); border-color: var(--c-gold); color: var(--c-white); }
.ef-blog-chip__count { font-size: .75rem; opacity: .7; font-weight: 600; }

/* ---------- INTRO ---------- */
.ef-blog-intro { max-width: 820px; margin: 30px auto 0; color: var(--c-text-light); font-size: 1.05rem; line-height: 1.7; }
.ef-blog-intro p { margin: 0 0 12px; }

/* ---------- GRID + CARD ---------- */
.ef-blog-section { padding: 46px 0 60px; }
.ef-blog-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(320px, 1fr)); gap: 28px; }

.ef-blog-card {
    display: flex; flex-direction: column;
    background: var(--c-white); border-radius: var(--radius);
    overflow: hidden; height: 100%;
    box-shadow: 0 4px 18px rgba(14,77,86,.06);
    border: 1px solid rgba(235,229,217,.7);
    transition: transform .3s ease, box-shadow .3s ease;
}
.ef-blog-card:hover { transform: translateY(-6px); box-shadow: 0 14px 34px rgba(14,77,86,.14); }
.ef-blog-card__media { position: relative; aspect-ratio: 16 / 10; overflow: hidden; background: var(--c-sand-bg); }
.ef-blog-card__media img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s ease; }
.ef-blog-card:hover .ef-blog-card__media img { transform: scale(1.06); }
.ef-blog-card__media-placeholder { display: flex; align-items: center; justify-content: center; height: 100%; color: var(--c-sand-dark); font-size: 46px; }
.ef-blog-card__cat {
    position: absolute; top: 12px; left: 12px;
    padding: 5px 12px; border-radius: 999px;
    background: rgba(207,160,82,.95); color: var(--c-white);
    font-size: .72rem; font-weight: 700; text-transform: uppercase; letter-spacing: .03em;
}
.ef-blog-card__body { display: flex; flex-direction: column; flex: 1; padding: 20px 22px 22px; }
.ef-blog-card__meta { display: flex; flex-wrap: wrap; align-items: center; gap: 14px; font-size: .82rem; color: var(--c-text-light); margin-bottom: 10px; }
.ef-blog-card__meta i { color: var(--c-gold); margin-right: 5px; }
.ef-blog-card__title { font-size: 1.2rem; line-height: 1.35; margin: 0 0 10px; color: var(--c-deep-blue); }
.ef-blog-card:hover .ef-blog-card__title { color: var(--c-gold); }
.ef-blog-card__excerpt { color: var(--c-text-light); font-size: .95rem; line-height: 1.6; margin: 0 0 18px; display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden; }
.ef-blog-card__more { margin-top: auto; display: inline-flex; align-items: center; gap: 8px; font-weight: 600; color: var(--c-deep-blue); font-size: .92rem; }
.ef-blog-card__more i { transition: transform .25s ease; }
.ef-blog-card:hover .ef-blog-card__more { color: var(--c-gold); }
.ef-blog-card:hover .ef-blog-card__more i { transform: translateX(4px); }

/* ---------- EMPTY / PAGINATION ---------- */
.ef-blog-empty { text-align: center; padding: 70px 20px; color: var(--c-text-light); }
.ef-blog-empty i { font-size: 60px; color: var(--c-sand-dark); margin-bottom: 18px; }
.ef-blog-empty h2 { color: var(--c-deep-blue); margin-bottom: 10px; }

.ef-blog-pagination { margin: 44px 0 0; }
.ef-blog-pagination .page-numbers { list-style: none; display: flex; flex-wrap: wrap; justify-content: center; gap: 8px; padding: 0; margin: 0; }
.ef-blog-pagination .page-numbers li a,
.ef-blog-pagination .page-numbers li span {
    display: inline-flex; align-items: center; justify-content: center;
    min-width: 42px; height: 42px; padding: 0 12px; border-radius: 10px;
    background: var(--c-white); border: 1px solid var(--c-sand-dark);
    color: var(--c-text-main); font-weight: 600; transition: all .25s ease;
}
.ef-blog-pagination .page-numbers li a:hover { border-color: var(--c-gold); color: var(--c-deep-blue); }
.ef-blog-pagination .page-numbers li span.current { background: var(--c-gold); border-color: var(--c-gold); color: var(--c-white); }

/* =========================================================================
   SINGLE ARTICLE
   ========================================================================= */

/* Прогресс чтения */
.ef-reading-progress {
    position: fixed; top: 0; left: 0; right: 0; height: 4px;
    background: rgba(14,77,86,.08); z-index: 1000;
}
.ef-reading-progress span {
    display: block; height: 100%; width: 0;
    background: linear-gradient(90deg, var(--c-gold), #e0b76a);
    transition: width .1s linear;
}

/* Hero */
.ef-article-hero {
    background: linear-gradient(135deg, var(--c-deep-blue) 0%, #0a3a41 100%);
    color: var(--c-white); padding: 54px 0 64px;
}
.ef-article-breadcrumbs { font-size: .85rem; color: rgba(255,255,255,.7); margin-bottom: 18px; }
.ef-article-breadcrumbs a { color: rgba(255,255,255,.9); }
.ef-article-breadcrumbs a:hover { color: var(--c-gold); }
.ef-article-hero__meta { display: flex; flex-wrap: wrap; align-items: center; gap: 18px; font-size: .9rem; color: rgba(255,255,255,.85); margin-bottom: 16px; }
.ef-article-hero__meta i { color: var(--c-gold); margin-right: 6px; }
.ef-article-hero__cat { padding: 5px 14px; border-radius: 999px; background: var(--c-gold); color: var(--c-white); font-weight: 700; font-size: .78rem; text-transform: uppercase; }
.ef-article-hero__title { color: var(--c-white); font-size: clamp(1.7rem, 3.6vw, 2.6rem); line-height: 1.18; max-width: 900px; margin: 0; }

/* Раскладка: контент + сайдбар */
.ef-article-wrap { padding: 0 0 60px; }
.ef-article-layout {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 300px;
    gap: 32px;
    align-items: start;
    max-width: 1120px;
    margin: -44px auto 0;
    position: relative;
    z-index: 2;
}

.ef-article {
    background: var(--c-white);
    border-radius: var(--radius);
    box-shadow: 0 10px 40px rgba(14,77,86,.08);
    padding: 0 0 34px;
    overflow: hidden;
    min-width: 0;
}
.ef-article__cover { margin: 0 0 8px; aspect-ratio: 16 / 8; background: var(--c-sand-bg); }
.ef-article__cover img { width: 100%; height: 100%; object-fit: cover; }

/* Контент статьи */
.ef-article__body {
    padding: 26px clamp(20px, 4vw, 46px) 0;
    color: var(--c-text-main);
    font-size: 1.08rem;
    line-height: 1.85;
}
.ef-article__body > *:first-child { margin-top: 0; }
.ef-article__body p { margin: 0 0 22px; }
/* Лид-абзац */
.ef-article__body > p:first-of-type { font-size: 1.18rem; line-height: 1.7; color: var(--c-text-main); }
/* Буквица */
.ef-article__body > p:first-of-type::first-letter {
    float: left; font-family: var(--f-heading); font-weight: 700;
    font-size: 3.4em; line-height: .82; color: var(--c-gold);
    margin: 6px 12px 0 0;
}
.ef-article__body h2 {
    font-size: 1.6rem; margin: 42px 0 16px; padding-top: 8px;
    color: var(--c-deep-blue); scroll-margin-top: 90px; position: relative;
}
.ef-article__body h2::before {
    content: ""; display: block; width: 46px; height: 3px;
    background: var(--c-gold); border-radius: 3px; margin-bottom: 14px;
}
.ef-article__body h3 { font-size: 1.28rem; margin: 32px 0 14px; color: var(--c-deep-blue); scroll-margin-top: 90px; }
.ef-article__body ul, .ef-article__body ol { margin: 0 0 22px; padding-left: 4px; }
.ef-article__body ol { padding-left: 22px; list-style: decimal; }
.ef-article__body ul { list-style: none; }
.ef-article__body ul li {
    position: relative; padding-left: 30px; margin-bottom: 12px;
}
.ef-article__body ul li::before {
    content: "\f00c"; font-family: "Font Awesome 6 Free"; font-weight: 900;
    position: absolute; left: 0; top: 2px; color: var(--c-gold); font-size: .82em;
}
.ef-article__body ol li { margin-bottom: 12px; padding-left: 6px; }
.ef-article__body ol li::marker { color: var(--c-gold); font-weight: 700; }
.ef-article__body a { color: var(--c-gold); font-weight: 600; text-decoration: underline; text-underline-offset: 3px; }
.ef-article__body a:hover { color: var(--c-deep-blue); }
.ef-article__body img { border-radius: var(--radius); margin: 8px 0 24px; }
.ef-article__body figure { margin: 0 0 24px; }
.ef-article__body figcaption { font-size: .85rem; color: var(--c-text-light); text-align: center; margin-top: 8px; }
.ef-article__body blockquote {
    margin: 28px 0; padding: 20px 24px 20px 56px; position: relative;
    border-radius: var(--radius);
    background: var(--c-sand-bg); border-left: 4px solid var(--c-gold);
    font-style: italic; color: var(--c-text-main);
}
.ef-article__body blockquote::before {
    content: "\f10d"; font-family: "Font Awesome 6 Free"; font-weight: 900;
    position: absolute; left: 20px; top: 18px; color: var(--c-gold); opacity: .5; font-size: 1.1rem;
}
.ef-article__body blockquote p:last-child { margin-bottom: 0; }
.ef-article__body table { width: 100%; border-collapse: collapse; margin: 0 0 24px; font-size: .95rem; }
.ef-article__body th, .ef-article__body td { padding: 11px 14px; border: 1px solid var(--c-sand-dark); text-align: left; }
.ef-article__body th { background: var(--c-sand-bg); color: var(--c-deep-blue); }
.ef-article__body tbody tr:nth-child(even),
.ef-article__body tr:nth-child(even) { background: rgba(249,247,242,.6); }
.ef-article__body hr { border: none; border-top: 1px solid var(--c-sand-dark); margin: 34px 0; }

/* Оглавление — мобильный аккордеон */
.ef-toc-mobile {
    margin: 22px clamp(20px, 4vw, 46px) 4px;
    background: var(--c-sand-bg); border: 1px solid var(--c-sand-dark);
    border-radius: var(--radius); overflow: hidden;
}
.ef-toc-mobile > summary {
    list-style: none; cursor: pointer;
    display: flex; align-items: center; gap: 10px;
    padding: 14px 18px; font-weight: 700; color: var(--c-deep-blue);
}
.ef-toc-mobile > summary::-webkit-details-marker { display: none; }
.ef-toc-mobile > summary i { color: var(--c-gold); }
.ef-toc-mobile__chev { margin-left: auto; transition: transform .25s ease; font-size: .8rem; color: var(--c-text-light); }
.ef-toc-mobile[open] .ef-toc-mobile__chev { transform: rotate(180deg); }
.ef-toc-mobile .ef-toc__list { padding: 0 18px 16px; }

/* Оглавление — список ссылок (общий) */
.ef-toc__list { display: flex; flex-direction: column; }
.ef-toc__link {
    display: block; padding: 7px 0 7px 14px; margin-left: 2px;
    border-left: 2px solid var(--c-sand-dark);
    color: var(--c-text-light); font-size: .92rem; line-height: 1.45;
    transition: all .2s ease;
}
.ef-toc__link.is-sub { padding-left: 28px; font-size: .88rem; }
.ef-toc__link:hover { color: var(--c-deep-blue); border-color: var(--c-gold); }
.ef-toc__link.is-active { color: var(--c-deep-blue); font-weight: 700; border-color: var(--c-gold); }

/* Сайдбар */
.ef-article__aside { min-width: 0; }
.ef-aside-sticky { position: sticky; top: 88px; display: flex; flex-direction: column; gap: 18px; }
.ef-toc {
    background: var(--c-white); border: 1px solid var(--c-sand-dark);
    border-radius: var(--radius); padding: 20px 18px; box-shadow: 0 4px 18px rgba(14,77,86,.05);
}
.ef-toc__head { display: flex; align-items: center; gap: 8px; font-weight: 700; color: var(--c-deep-blue); margin-bottom: 12px; font-size: .95rem; }
.ef-toc__head i { color: var(--c-gold); }

.ef-aside-share {
    background: var(--c-white); border: 1px solid var(--c-sand-dark);
    border-radius: var(--radius); padding: 16px 18px; text-align: center;
}
.ef-aside-share__label { display: block; font-size: .82rem; font-weight: 600; color: var(--c-text-light); margin-bottom: 10px; }
.ef-aside-share__row { display: flex; justify-content: center; gap: 10px; }
.ef-aside-share__row a {
    width: 40px; height: 40px; display: inline-flex; align-items: center; justify-content: center;
    border-radius: 50%; background: var(--c-sand-bg); color: var(--c-deep-blue); transition: all .25s ease;
}
.ef-aside-share__row a:hover { background: var(--c-gold); color: var(--c-white); transform: translateY(-2px); }

.ef-aside-cta {
    background: linear-gradient(135deg, var(--c-deep-blue), #0a3a41);
    color: var(--c-white); border-radius: var(--radius); padding: 22px 18px; text-align: center;
}
.ef-aside-cta i { font-size: 26px; color: var(--c-gold); margin-bottom: 8px; }
.ef-aside-cta p { font-weight: 600; margin: 0 0 14px; font-size: .95rem; }

/* CTA в статье */
.ef-article-cta {
    margin: 30px clamp(20px, 4vw, 46px) 0;
    display: flex; align-items: center; gap: 20px; flex-wrap: wrap;
    background: linear-gradient(135deg, var(--c-sand-bg), #fff);
    border: 1px solid var(--c-sand-dark); border-radius: var(--radius);
    padding: 22px 26px;
}
.ef-article-cta__icon {
    flex-shrink: 0; width: 58px; height: 58px; border-radius: 50%;
    background: var(--c-gold); color: var(--c-white);
    display: flex; align-items: center; justify-content: center; font-size: 26px;
}
.ef-article-cta__text { flex: 1; min-width: 200px; }
.ef-article-cta__text h3 { color: var(--c-deep-blue); margin: 0 0 4px; font-size: 1.2rem; }
.ef-article-cta__text p { color: var(--c-text-light); margin: 0; font-size: .95rem; line-height: 1.5; }
.ef-article-cta__btn {
    flex-shrink: 0; display: inline-flex; align-items: center; gap: 8px;
    padding: 13px 24px; border-radius: 10px; font-weight: 700;
    background: var(--c-deep-blue); color: var(--c-white); transition: all .3s ease;
}
.ef-article-cta__btn:hover { background: var(--c-gold); color: var(--c-white); transform: translateY(-2px); box-shadow: 0 8px 20px rgba(207,160,82,.3); }

/* Теги */
.ef-article__tags { display: flex; flex-wrap: wrap; gap: 8px; margin: 30px clamp(20px, 4vw, 46px) 0; padding-top: 24px; border-top: 1px solid var(--c-sand-dark); }
.ef-article__tag { padding: 5px 12px; border-radius: 999px; background: var(--c-sand-bg); color: var(--c-text-light); font-size: .82rem; font-weight: 600; }
.ef-article__tag:hover { background: var(--c-sand-dark); color: var(--c-deep-blue); }

/* Share inline (моб) */
.ef-article__share { display: flex; align-items: center; flex-wrap: wrap; gap: 10px; margin: 22px clamp(20px, 4vw, 46px) 0; }
.ef-article__share-label { font-weight: 600; color: var(--c-text-light); font-size: .9rem; margin-right: 4px; }
.ef-article__share a { width: 40px; height: 40px; display: inline-flex; align-items: center; justify-content: center; border-radius: 50%; background: var(--c-sand-bg); color: var(--c-deep-blue); transition: all .25s ease; }
.ef-article__share a:hover { background: var(--c-gold); color: var(--c-white); transform: translateY(-2px); }

/* Пред/след */
.ef-article-nav { max-width: 1120px; margin: 30px auto 0; display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.ef-article-nav__link { display: flex; flex-direction: column; gap: 4px; padding: 16px 20px; background: var(--c-white); border: 1px solid var(--c-sand-dark); border-radius: var(--radius); transition: all .25s ease; }
.ef-article-nav__link:hover { border-color: var(--c-gold); box-shadow: 0 6px 18px rgba(14,77,86,.1); }
.ef-article-nav__dir { font-size: .78rem; color: var(--c-text-light); font-weight: 600; }
.ef-article-nav__dir i { color: var(--c-gold); }
.ef-article-nav__title { font-weight: 600; color: var(--c-deep-blue); font-size: .98rem; line-height: 1.4; }
.ef-article-nav__link.next { text-align: right; }

/* Похожие */
.ef-related { padding: 54px 0 10px; }
.ef-related__head { text-align: center; margin-bottom: 34px; }
.ef-related__head h2 { font-size: 1.7rem; color: var(--c-deep-blue); }
.ef-related__head p { color: var(--c-text-light); margin-top: 6px; }

/* Кнопки */
.ef-article-back { text-align: center; margin: 40px auto 0; max-width: 1120px; }
.ef-btn-blog { display: inline-flex; align-items: center; gap: 10px; padding: 13px 28px; border-radius: 10px; background: var(--c-deep-blue); color: var(--c-white); font-weight: 600; transition: all .3s ease; }
.ef-btn-blog:hover { background: var(--c-gold); color: var(--c-white); transform: translateY(-2px); box-shadow: 0 8px 20px rgba(207,160,82,.3); }
.ef-btn-blog--sm { padding: 10px 20px; font-size: .9rem; background: var(--c-gold); }
.ef-btn-blog--sm:hover { background: var(--c-white); color: var(--c-deep-blue); }

/* ---------- RESPONSIVE ---------- */
@media (max-width: 1024px) {
    .ef-article-layout { grid-template-columns: 1fr; max-width: 820px; }
    .ef-article__aside { display: none; }        /* сайдбар скрыт — TOC уходит в аккордеон */
}
@media (min-width: 1025px) {
    .ef-toc-mobile { display: none; }              /* на десктопе оглавление в сайдбаре */
    .ef-article__share--inline { display: none; }  /* шеринг уже есть в сайдбаре */
}
@media (max-width: 768px) {
    .ef-blog-hero { padding: 50px 0 42px; }
    .ef-blog-section { padding: 34px 0 46px; }
    .ef-blog-grid { grid-template-columns: 1fr; gap: 22px; }
    .ef-article-hero { padding: 40px 0 52px; }
    .ef-article-layout { margin-top: -30px; }
    .ef-article-nav { grid-template-columns: 1fr; }
    .ef-article-nav__link.next { text-align: left; }
    .ef-article-cta { flex-direction: column; text-align: center; align-items: center; }
    .ef-article-cta__text { min-width: 0; }
}
@media (max-width: 480px) {
    .ef-blog-hero__title { font-size: 1.6rem; }
    .ef-article__body { font-size: 1.02rem; }
    .ef-article__body > p:first-of-type::first-letter { font-size: 2.8em; }
    .ef-reading-progress { height: 3px; }
}