/* نت‌افرا — استایل صفحات محتوایی: وبلاگ، سؤالات متداول، جست‌وجو، ۴۰۴
   هم‌راستا با تم تیره‌ی سایت و متغیرهای styles.css */

.nf-wrap { max-width: 1120px; margin: 0 auto; padding: 0 1.25rem; }
.nf-narrow { max-width: 820px; margin: 0 auto; padding: 0 1.25rem; }

/* ---------- بردکرامب ---------- */
.nf-crumbs { padding: 1.25rem 0 .25rem; }
.nf-crumbs ol { list-style: none; display: flex; flex-wrap: wrap; gap: .4rem; margin: 0; padding: 0; font-size: .8rem; color: var(--text-muted); }
.nf-crumbs li { display: flex; align-items: center; gap: .4rem; }
.nf-crumbs li + li::before { content: "›"; color: var(--text-muted); opacity: .6; }
.nf-crumbs a { color: var(--text-secondary); text-decoration: none; }
.nf-crumbs a:hover { color: var(--brand-light); }
.nf-crumbs li[aria-current] { color: var(--text-primary); }

/* ---------- سرصفحه‌ی صفحات محتوایی ---------- */
.nf-pagehead { padding: 1.5rem 0 2rem; }
.nf-pagehead h1 { font-size: clamp(1.6rem, 4vw, 2.3rem); font-weight: 700; line-height: 1.45; margin: 0 0 .75rem; color: var(--text-primary); }
.nf-pagehead p { color: var(--text-secondary); font-size: 1rem; line-height: 2; max-width: 68ch; margin: 0; }
.nf-eyebrow { display: inline-block; font-size: .75rem; letter-spacing: .04em; color: var(--brand-light); background: rgba(13, 148, 136, .12); border: 1px solid rgba(13, 148, 136, .3); border-radius: 999px; padding: .25rem .75rem; margin-bottom: .9rem; }

/* ---------- کارت مقاله ---------- */
.nf-posts { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 1.25rem; padding-bottom: 3rem; }
.nf-post { display: flex; flex-direction: column; background: var(--surface-elevated); border: 1px solid var(--border); border-radius: 16px; overflow: hidden; transition: transform .18s ease, border-color .18s ease; }
.nf-post:hover { transform: translateY(-3px); border-color: var(--border-strong); }
.nf-post__cover { display: block; aspect-ratio: 16 / 9; background: #111114; overflow: hidden; }
.nf-post__cover img { width: 100%; height: 100%; object-fit: cover; display: block; }
.nf-post__body { padding: 1.1rem 1.15rem 1.25rem; display: flex; flex-direction: column; flex: 1; }
.nf-post__meta { display: flex; flex-wrap: wrap; gap: .5rem; font-size: .72rem; color: var(--text-muted); margin-bottom: .6rem; }
.nf-post__cat { color: var(--brand-light); }
.nf-post h2 { font-size: 1.05rem; font-weight: 600; line-height: 1.7; margin: 0 0 .5rem; }
.nf-post h2 a { color: var(--text-primary); text-decoration: none; }
.nf-post h2 a:hover { color: var(--brand-light); }
.nf-post p { color: var(--text-secondary); font-size: .87rem; line-height: 1.95; margin: 0 0 1rem; flex: 1; }
.nf-post__more { font-size: .82rem; color: var(--brand-light); text-decoration: none; font-weight: 500; }
.nf-post__more:hover { text-decoration: underline; }

/* ---------- فیلترها و جست‌وجو ---------- */
.nf-filterbar { display: flex; flex-wrap: wrap; gap: .5rem; padding: 0 0 1.75rem; }
.nf-chip { display: inline-block; padding: .45rem .95rem; border-radius: 999px; border: 1px solid var(--border); background: var(--surface-elevated); color: var(--text-secondary); font-size: .82rem; text-decoration: none; transition: .16s; }
.nf-chip:hover { border-color: var(--brand); color: var(--text-primary); }
.nf-chip.is-on { background: var(--brand); border-color: var(--brand); color: #fff; }

.nf-searchbox { display: flex; gap: .5rem; margin: 0 0 2rem; }
.nf-searchbox input { flex: 1; padding: .8rem 1rem; border-radius: 12px; border: 1px solid var(--border); background: var(--surface-elevated); color: var(--text-primary); font-family: inherit; font-size: .95rem; }
.nf-searchbox input:focus { outline: none; border-color: var(--brand); }
.nf-searchbox button { padding: .8rem 1.4rem; border-radius: 12px; border: 0; background: var(--brand); color: #fff; font-family: inherit; font-size: .9rem; font-weight: 500; cursor: pointer; }
.nf-searchbox button:hover { background: var(--brand-dark); }

/* ---------- نتیجه‌ی جست‌وجو ---------- */
.nf-results { list-style: none; margin: 0 0 3rem; padding: 0; display: flex; flex-direction: column; gap: .75rem; }
.nf-result { background: var(--surface-elevated); border: 1px solid var(--border); border-radius: 14px; padding: 1.1rem 1.2rem; }
.nf-result__type { font-size: .7rem; color: var(--brand-light); margin-bottom: .35rem; }
.nf-result h3 { margin: 0 0 .4rem; font-size: 1rem; font-weight: 600; }
.nf-result h3 a { color: var(--text-primary); text-decoration: none; }
.nf-result h3 a:hover { color: var(--brand-light); }
.nf-result p { margin: 0; color: var(--text-secondary); font-size: .86rem; line-height: 1.9; }

/* ---------- سؤالات متداول ---------- */
.nf-faq { padding-bottom: 3rem; }
.nf-faq__group { margin-bottom: 2.25rem; }
.nf-faq__group > h2 { font-size: 1.2rem; font-weight: 600; margin: 0 0 1rem; padding-bottom: .6rem; border-bottom: 1px solid var(--border); color: var(--text-primary); }
.nf-faq details { background: var(--surface-elevated); border: 1px solid var(--border); border-radius: 14px; margin-bottom: .7rem; overflow: hidden; }
.nf-faq details[open] { border-color: rgba(13, 148, 136, .4); }
.nf-faq summary { cursor: pointer; padding: 1rem 1.15rem; font-size: .95rem; font-weight: 500; color: var(--text-primary); list-style: none; display: flex; justify-content: space-between; gap: 1rem; align-items: flex-start; }
.nf-faq summary::-webkit-details-marker { display: none; }
.nf-faq summary::after { content: "+"; color: var(--brand-light); font-size: 1.2rem; line-height: 1; flex-shrink: 0; }
.nf-faq details[open] summary::after { content: "−"; }
.nf-faq .nf-faq__a { padding: 0 1.15rem 1.15rem; color: var(--text-secondary); font-size: .89rem; line-height: 2; }

/* ---------- صفحه ۴۰۴ ---------- */
.nf-404 { text-align: center; padding: 4rem 0 3rem; }
.nf-404__code { font-size: clamp(4rem, 16vw, 8rem); font-weight: 700; line-height: 1; color: var(--brand); opacity: .85; margin: 0 0 .5rem; }
.nf-404 h1 { font-size: clamp(1.3rem, 4vw, 1.9rem); margin: 0 0 .9rem; color: var(--text-primary); font-weight: 600; }
.nf-404 p { color: var(--text-secondary); line-height: 2; max-width: 56ch; margin: 0 auto 1.75rem; }
.nf-404 .nf-searchbox { max-width: 560px; margin: 0 auto 2.5rem; }

/* ---------- کارت‌های لینک ---------- */
.nf-cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 1rem; padding-bottom: 3rem; }
.nf-card-link { display: block; background: var(--surface-elevated); border: 1px solid var(--border); border-radius: 14px; padding: 1.1rem 1.2rem; text-decoration: none; transition: .18s; }
.nf-card-link:hover { border-color: var(--brand); transform: translateY(-2px); }
.nf-card-link b { display: block; color: var(--text-primary); font-size: .95rem; font-weight: 600; margin-bottom: .35rem; }
.nf-card-link span { color: var(--text-secondary); font-size: .82rem; line-height: 1.8; }

/* ---------- مقاله‌ی تک ---------- */
.nf-article { padding-bottom: 2rem; }
.nf-article__cover { border-radius: 18px; overflow: hidden; margin: 0 0 1.75rem; border: 1px solid var(--border); }
.nf-article__cover img { width: 100%; display: block; aspect-ratio: 16 / 8; object-fit: cover; }
.nf-article__meta { display: flex; flex-wrap: wrap; gap: .9rem; font-size: .78rem; color: var(--text-muted); margin-bottom: 1.5rem; padding-bottom: 1rem; border-bottom: 1px solid var(--border); }
.nf-prose { color: var(--text-secondary); font-size: 1rem; line-height: 2.15; }
.nf-prose > * + * { margin-top: 1.15rem; }
.nf-prose h2 { color: var(--text-primary); font-size: 1.3rem; font-weight: 600; margin-top: 2.25rem; line-height: 1.6; }
.nf-prose h3 { color: var(--text-primary); font-size: 1.08rem; font-weight: 600; margin-top: 1.75rem; line-height: 1.6; }
.nf-prose a { color: var(--brand-light); text-decoration: underline; text-underline-offset: 3px; }
.nf-prose ul, .nf-prose ol { padding-inline-start: 1.4rem; }
.nf-prose li { margin-bottom: .55rem; }
.nf-prose img { max-width: 100%; height: auto; border-radius: 12px; }
.nf-prose blockquote { margin: 1.5rem 0; padding: 1rem 1.25rem; border-inline-start: 3px solid var(--brand); background: var(--surface-elevated); border-radius: 0 12px 12px 0; color: var(--text-secondary); }
.nf-prose code { background: var(--surface-elevated); border: 1px solid var(--border); border-radius: 6px; padding: .12rem .4rem; font-size: .88em; direction: ltr; display: inline-block; }
.nf-prose pre { background: #111114; border: 1px solid var(--border); border-radius: 12px; padding: 1rem 1.15rem; overflow-x: auto; direction: ltr; text-align: left; }
.nf-prose pre code { background: none; border: 0; padding: 0; }
.nf-prose table { width: 100%; border-collapse: collapse; font-size: .9rem; }
.nf-prose th, .nf-prose td { border: 1px solid var(--border); padding: .6rem .8rem; text-align: right; }
.nf-prose th { background: var(--surface-elevated); color: var(--text-primary); }

.nf-tags { display: flex; flex-wrap: wrap; gap: .45rem; margin: 2rem 0; }

/* ---------- صفحه‌بندی ---------- */
.nf-pager { display: flex; flex-wrap: wrap; gap: .4rem; justify-content: center; padding: 0 0 3rem; }
.nf-pager a, .nf-pager span { min-width: 2.4rem; text-align: center; padding: .5rem .75rem; border-radius: 10px; border: 1px solid var(--border); background: var(--surface-elevated); color: var(--text-secondary); text-decoration: none; font-size: .85rem; }
.nf-pager a:hover { border-color: var(--brand); color: var(--text-primary); }
.nf-pager .is-on { background: var(--brand); border-color: var(--brand); color: #fff; }

/* ---------- حالت خالی ---------- */
.nf-empty { text-align: center; padding: 3.5rem 1rem; color: var(--text-muted); }
.nf-empty b { display: block; color: var(--text-primary); font-size: 1.05rem; margin-bottom: .5rem; }

/* ---------- سایدبار وبلاگ ---------- */
.nf-blog-layout { display: grid; grid-template-columns: 1fr 280px; gap: 2.5rem; align-items: start; padding-bottom: 3rem; }
.nf-side-box { background: var(--surface-elevated); border: 1px solid var(--border); border-radius: 14px; padding: 1.1rem 1.2rem; margin-bottom: 1.25rem; }
.nf-side-box h3 { margin: 0 0 .9rem; font-size: .95rem; font-weight: 600; color: var(--text-primary); }
.nf-side-box ul { list-style: none; margin: 0; padding: 0; }
.nf-side-box li { margin-bottom: .55rem; font-size: .85rem; }
.nf-side-box a { color: var(--text-secondary); text-decoration: none; display: flex; justify-content: space-between; gap: .5rem; }
.nf-side-box a:hover { color: var(--brand-light); }
.nf-side-box .nf-count { color: var(--text-muted); font-size: .78rem; }

@media (max-width: 900px) {
  .nf-blog-layout { grid-template-columns: 1fr; }
}
@media (max-width: 560px) {
  .nf-posts { grid-template-columns: 1fr; }
  .nf-searchbox { flex-direction: column; }
}