/* Blog — glass + Apple motion on Vitrin360 dark brand */

.blog-shell {
    --blog-ink: #f4f1ea;
    --blog-muted: rgba(244, 241, 234, .72);
    --blog-glass: rgba(255, 255, 255, .08);
    --blog-glass-strong: rgba(255, 255, 255, .12);
    --blog-stroke: rgba(255, 255, 255, .16);
    --blog-accent: #5eead4;
    --blog-accent-soft: rgba(94, 234, 212, .18);
    --blog-deep: #0b1220;
    --blog-mid: #142033;
    --blog-spring: cubic-bezier(.22, 1.2, .36, 1);
    color: var(--blog-ink);
    background:
        radial-gradient(1200px 600px at 80% -10%, rgba(94, 234, 212, .14), transparent 55%),
        radial-gradient(900px 500px at 10% 20%, rgba(56, 189, 248, .1), transparent 50%),
        linear-gradient(180deg, var(--blog-deep) 0%, var(--blog-mid) 45%, #0e1726 100%);
    min-height: 70vh;
}

.blog-hero,
.blog-article__head {
    position: relative;
    overflow: hidden;
    padding: clamp(48px, 8vw, 88px) 0 40px;
    text-align: center;
}

.blog-hero__glow {
    position: absolute;
    inset: -20% 10% auto;
    height: 280px;
    background: radial-gradient(closest-side, rgba(94, 234, 212, .22), transparent);
    filter: blur(8px);
    pointer-events: none;
    animation: blog-glow 8s ease-in-out infinite alternate;
}

@keyframes blog-glow {
    from { transform: translateY(0) scale(1); opacity: .7; }
    to { transform: translateY(12px) scale(1.08); opacity: 1; }
}

.blog-hero__inner,
.blog-article__container { position: relative; z-index: 1; }

.blog-brand {
    font-family: "SF Pro Display", "Segoe UI", Vazirmatn, sans-serif;
    font-size: clamp(1.6rem, 1.2rem + 1.6vw, 2.4rem);
    font-weight: 700;
    letter-spacing: -.02em;
    margin: 0 0 10px;
    color: #fff;
}

.blog-hero__title,
.blog-article__title {
    font-size: clamp(1.35rem, 1.05rem + 1.2vw, 1.85rem);
    font-weight: 600;
    margin: 0 0 12px;
    color: var(--blog-ink);
}

.blog-hero__lede {
    max-width: 640px;
    margin: 0 auto 22px;
    color: var(--blog-muted);
    line-height: 1.9;
    font-size: 1.02rem;
}

.blog-search {
    display: flex;
    gap: 8px;
    max-width: 480px;
    margin: 0 auto;
    padding: 8px;
    border-radius: 18px;
    background: var(--blog-glass);
    border: 1px solid var(--blog-stroke);
    backdrop-filter: blur(18px) saturate(1.2);
    -webkit-backdrop-filter: blur(18px) saturate(1.2);
    box-shadow: 0 10px 40px rgba(0, 0, 0, .25);
}

.blog-search__input {
    flex: 1;
    min-width: 0;
    border: 0;
    background: transparent;
    color: #fff;
    padding: 10px 14px;
    outline: none;
}
.blog-search__input::placeholder { color: rgba(255, 255, 255, .45); }

.blog-search__btn {
    width: 44px;
    height: 44px;
    border: 0;
    border-radius: 14px;
    background: var(--blog-accent-soft);
    color: var(--blog-accent);
    transition: transform .25s var(--blog-spring), background .2s ease;
}
.blog-search__btn:active { transform: scale(.94); }

.blog-main { padding: 28px 12px 80px; }

.blog-cats {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 28px;
    justify-content: center;
}

.blog-cat {
    padding: 8px 16px;
    border-radius: 999px;
    border: 1px solid var(--blog-stroke);
    background: var(--blog-glass);
    color: var(--blog-muted);
    text-decoration: none;
    font-size: .9rem;
    backdrop-filter: blur(12px);
    transition: transform .25s var(--blog-spring), background .2s ease, color .2s ease;
}
.blog-cat:hover { color: #fff; transform: translateY(-2px); }
.blog-cat.is-active {
    background: var(--blog-accent-soft);
    color: var(--blog-accent);
    border-color: rgba(94, 234, 212, .35);
}

.blog-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 22px;
}

.blog-card {
    display: flex;
    flex-direction: column;
    border-radius: 22px;
    overflow: hidden;
    background: var(--blog-glass);
    border: 1px solid var(--blog-stroke);
    backdrop-filter: blur(20px) saturate(1.15);
    -webkit-backdrop-filter: blur(20px) saturate(1.15);
    color: inherit;
    text-decoration: none;
    box-shadow: 0 12px 40px rgba(0, 0, 0, .22);
    transition: transform .35s var(--blog-spring), box-shadow .35s ease, border-color .2s ease;
}
.blog-card:hover {
    transform: translateY(-6px) scale(1.01);
    box-shadow: 0 22px 50px rgba(0, 0, 0, .35);
    border-color: rgba(94, 234, 212, .35);
    color: inherit;
}
.blog-card:active { transform: scale(.985); }

.blog-card__cover {
    aspect-ratio: 16 / 10;
    background: linear-gradient(135deg, #1e293b, #0f172a);
    overflow: hidden;
}
.blog-card__cover img { width: 100%; height: 100%; object-fit: cover; display: block; transition: transform .5s var(--blog-spring); }
.blog-card:hover .blog-card__cover img { transform: scale(1.04); }
.blog-card__fallback {
    display: flex; align-items: center; justify-content: center; height: 100%;
    font-size: 2rem; color: var(--blog-accent); opacity: .55;
}

.blog-card__body { display: flex; flex-direction: column; gap: 8px; padding: 18px 20px 20px; flex: 1; }
.blog-card__cat {
    align-self: flex-start;
    font-size: .75rem;
    padding: 3px 10px;
    border-radius: 999px;
    background: var(--blog-accent-soft);
    color: var(--blog-accent);
}
.blog-card__date { font-size: .78rem; color: rgba(244, 241, 234, .5); }
.blog-card__title { font-size: 1.08rem; font-weight: 700; line-height: 1.7; margin: 0; color: #fff; }
.blog-card__excerpt {
    font-size: .9rem; color: var(--blog-muted); line-height: 1.85; margin: 0;
    display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden;
}
.blog-card__more {
    margin-top: auto; font-size: .85rem; font-weight: 700; color: var(--blog-accent);
    display: inline-flex; gap: 6px; align-items: center;
}

.blog-empty { text-align: center; padding: 64px 0; color: var(--blog-muted); }
.blog-empty i { font-size: 2.4rem; color: var(--blog-accent); opacity: .45; margin-bottom: 12px; display: block; }

.blog-pager { display: flex; align-items: center; justify-content: center; gap: 14px; margin-top: 40px; }
.blog-pager__btn {
    display: inline-flex; align-items: center; gap: 8px; min-height: 44px; padding: 0 18px;
    border-radius: 999px; border: 1px solid var(--blog-stroke); background: var(--blog-glass);
    color: #fff; text-decoration: none; font-weight: 700; backdrop-filter: blur(12px);
    transition: transform .25s var(--blog-spring);
}
.blog-pager__btn:hover { transform: scale(1.03); color: var(--blog-accent); }
.blog-pager__info { color: var(--blog-muted); font-size: .88rem; }

.blog-breadcrumb {
    display: flex; align-items: center; justify-content: center; gap: 8px;
    font-size: .85rem; color: var(--blog-muted); margin-bottom: 16px; flex-wrap: wrap;
}
.blog-breadcrumb a { color: rgba(255, 255, 255, .85); text-decoration: none; }
.blog-breadcrumb a:hover { color: var(--blog-accent); }

.blog-article__meta {
    display: flex; flex-wrap: wrap; gap: 14px; justify-content: center;
    color: var(--blog-muted); font-size: .9rem; margin-top: 8px;
}
.blog-article__meta i { margin-left: 6px; opacity: .7; }

.blog-article__cover-wrap {
    margin: 8px 0 28px;
    border-radius: 24px;
    overflow: hidden;
    border: 1px solid var(--blog-stroke);
    box-shadow: 0 20px 50px rgba(0, 0, 0, .35);
    background: rgba(15, 23, 42, .65);
}
.blog-article__cover {
    width: 100%;
    height: auto;
    display: block;
    max-height: none;
    object-fit: contain;
}

.blog-article__lead {
    font-size: 1.1rem;
    border-right: 3px solid var(--blog-accent);
    padding: 4px 16px;
    margin: 0 0 28px;
    max-width: none;
    width: 100%;
    color: var(--blog-muted);
    line-height: 1.9;
    text-align: justify;
    text-justify: inter-word;
}

.blog-article__body {
    font-size: 1.05rem;
    line-height: 2;
    color: rgba(244, 241, 234, .92);
    max-width: none;
    width: 100%;
    margin: 0 0 36px;
    text-align: justify;
    text-justify: inter-word;
}
.blog-article__body h2, .blog-article__body h3 { color: #fff; margin: 1.6em 0 .6em; text-align: right; }
.blog-article__body p { margin: 0 0 1em; text-align: justify; text-justify: inter-word; }
.blog-article__body ul { padding-right: 1.2em; margin-bottom: 1em; text-align: justify; }
.blog-article__body a { color: var(--blog-accent); }

.blog-engage {
    display: flex; flex-wrap: wrap; gap: 14px; align-items: center;
    justify-content: center; margin: 0 0 36px;
}
.blog-like-btn {
    display: inline-flex; align-items: center; gap: 10px;
    min-height: 48px; padding: 0 20px; border-radius: 999px;
    border: 1px solid var(--blog-stroke); background: var(--blog-glass);
    color: #fff; backdrop-filter: blur(14px);
    transition: transform .25s var(--blog-spring), background .2s ease;
}
.blog-like-btn:active { transform: scale(.94); }
.blog-like-btn.is-on { background: rgba(248, 113, 113, .18); border-color: rgba(248, 113, 113, .4); color: #fecaca; }
.blog-login-hint { color: var(--blog-muted); font-size: .9rem; }

.blog-cta {
    display: flex; flex-wrap: wrap; gap: 20px; align-items: center; justify-content: space-between;
    padding: 28px; border-radius: 22px; margin-bottom: 40px;
    background: linear-gradient(135deg, rgba(94, 234, 212, .12), var(--blog-glass));
    border: 1px solid var(--blog-stroke); backdrop-filter: blur(16px);
}
.blog-cta h2 { font-size: 1.15rem; margin: 0 0 6px; color: #fff; }
.blog-cta p { margin: 0; color: var(--blog-muted); }
.blog-cta__btn {
    display: inline-flex; align-items: center; min-height: 46px; padding: 0 22px;
    border-radius: 14px; background: #fff; color: var(--blog-deep); font-weight: 700;
    text-decoration: none; transition: transform .25s var(--blog-spring);
}
.blog-cta__btn:hover { transform: scale(1.03); color: var(--blog-deep); }

.blog-comments { max-width: none; width: 100%; margin: 0 0 48px; }
.blog-comments h2 { font-size: 1.2rem; margin-bottom: 16px; color: #fff; }
.blog-flash {
    padding: 12px 16px; border-radius: 12px; margin-bottom: 14px;
    background: var(--blog-accent-soft); color: var(--blog-accent); border: 1px solid rgba(94, 234, 212, .3);
}
.blog-comment-form { display: grid; gap: 10px; margin-bottom: 22px; }
.blog-comment-input {
    width: 100%; border-radius: 16px; border: 1px solid var(--blog-stroke);
    background: var(--blog-glass); color: #fff; padding: 14px 16px; resize: vertical;
}
.blog-comment-submit {
    justify-self: start; min-height: 44px; padding: 0 20px; border: 0; border-radius: 12px;
    background: var(--blog-accent); color: #042f2e; font-weight: 700;
    transition: transform .25s var(--blog-spring);
}
.blog-comment-submit:active { transform: scale(.96); }

.blog-comment-list { list-style: none; padding: 0; margin: 0; display: grid; gap: 14px; }
.blog-comment {
    padding: 16px 18px; border-radius: 16px;
    background: var(--blog-glass); border: 1px solid var(--blog-stroke);
    backdrop-filter: blur(12px);
}
.blog-comment__head { display: flex; justify-content: space-between; gap: 10px; margin-bottom: 8px; font-size: .85rem; color: var(--blog-muted); }
.blog-comment__head strong { color: #fff; }
.blog-comment__text { margin: 0; line-height: 1.8; }
.blog-comment__ai {
    margin-top: 12px; padding: 12px 14px; border-radius: 12px;
    background: rgba(56, 189, 248, .1); border: 1px solid rgba(56, 189, 248, .25);
}
.blog-comment__ai span { display: block; font-size: .78rem; color: #7dd3fc; margin-bottom: 4px; }
.blog-comment__ai p { margin: 0; line-height: 1.75; }

.blog-related { max-width: none; width: 100%; margin: 0 0 64px; }
.blog-related h2 { font-size: 1.15rem; color: #fff; margin-bottom: 12px; }
.blog-related ul { list-style: none; padding: 0; margin: 0; display: grid; gap: 10px; }
.blog-related a {
    display: block; padding: 14px 16px; border-radius: 14px;
    background: var(--blog-glass); border: 1px solid var(--blog-stroke);
    color: #fff; text-decoration: none; transition: transform .25s var(--blog-spring);
}
.blog-related a:hover { transform: translateX(-4px); color: var(--blog-accent); }

@media (prefers-reduced-motion: reduce) {
    .blog-hero__glow,
    .blog-card,
    .blog-card__cover img,
    .blog-cat,
    .blog-like-btn,
    .blog-cta__btn,
    .blog-search__btn,
    .blog-pager__btn,
    .blog-comment-submit,
    .blog-related a { animation: none !important; transition: none !important; }
}