/* ============================================================
   IRANYekan Font
   ============================================================ */
@font-face {
    font-family: 'IRANYekan';
    src: url('../fonts/IRANYekanXVF.woff2') format('woff2'),
         url('../fonts/IRANYekanXVF.woff') format('woff');
    font-weight: normal;
    font-style: normal;
    font-display: swap;
}

/* ============================================================
   Design Tokens — Minimal 2027
   ============================================================ */
:root {
    --bg: #ffffff;
    --bg-soft: #f6f6f4;
    --bg-elev: #ffffff;
    --fg: #0f0f10;
    --fg-soft: #5b5b5f;
    --line: #e6e6e2;
    --accent: #b8894a;
    --accent-hover: #9c6f36;
    --radius-sm: 8px;
    --radius: 14px;
    --radius-lg: 20px;
    --shadow-sm: 0 1px 2px rgba(15,15,16,.04), 0 1px 1px rgba(15,15,16,.03);
    --shadow: 0 2px 8px rgba(15,15,16,.05);
    --shadow-lg: 0 10px 40px rgba(15,15,16,.08);
    --ease: cubic-bezier(.2,.7,.2,1);
    --dur: .25s;
    --font: 'IRANYekan', 'Vazirmatn', system-ui, -apple-system, 'Segoe UI', Tahoma, sans-serif;
}

html.dark {
    --bg: #0f0f10;
    --bg-soft: #16161a;
    --bg-elev: #1a1a1f;
    --fg: #f4f4f2;
    --fg-soft: #a0a0a6;
    --line: #26262c;
    --accent: #d4a25e;
    --accent-hover: #e3b877;
    --shadow-lg: 0 10px 40px rgba(0,0,0,.5);
}

/* ============================================================
   Reset & Base
   ============================================================ */
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
    margin: 0;
    font-family: var(--font);
    font-size: 16px;
    line-height: 1.75;
    background: var(--bg);
    color: var(--fg);
    direction: rtl;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
    transition: background var(--dur) var(--ease), color var(--dur) var(--ease);
}
a { color: inherit; text-decoration: none; transition: color var(--dur) var(--ease); }
img { max-width: 100%; height: auto; display: block; }
button { font-family: inherit; }

.screen-reader-text {
    position: absolute !important;
    clip-path: inset(50%);
    width: 1px; height: 1px;
    overflow: hidden; white-space: nowrap;
}
.skip-link:focus {
    position: fixed; top: 10px; right: 10px;
    clip-path: none; width: auto; height: auto;
    background: var(--fg); color: var(--bg);
    padding: .75rem 1rem; border-radius: var(--radius-sm); z-index: 999;
}

.container { width: min(1200px, 92%); margin-inline: auto; }

/* ============================================================
   Header — Sticky Glass
   ============================================================ */
.site-header {
    position: sticky; top: 0; z-index: 100;
    background: color-mix(in srgb, var(--bg) 82%, transparent);
    backdrop-filter: saturate(180%) blur(14px);
    -webkit-backdrop-filter: saturate(180%) blur(14px);
    border-bottom: 1px solid var(--line);
}
.header-inner {
    display: flex; align-items: center; justify-content: space-between;
    gap: 1rem; min-height: 68px;
}
.brand { display: flex; align-items: center; gap: .6rem; }
.brand-mark {
    width: 10px; height: 26px; border-radius: 3px;
    background: var(--accent); display: inline-block;
}
.brand-name { font-weight: 700; font-size: 1.15rem; letter-spacing: -.01em; }
.brand-desc { display: block; font-size: .72rem; color: var(--fg-soft); }

.primary-nav ul { list-style: none; margin: 0; padding: 0; display: flex; gap: .25rem; }
.primary-nav a {
    display: inline-block; padding: .5rem .85rem; border-radius: var(--radius-sm);
    font-size: .92rem; color: var(--fg-soft); font-weight: 500;
}
.primary-nav a:hover, .primary-nav .current-menu-item > a {
    color: var(--fg); background: var(--bg-soft);
}

.header-actions { display: flex; align-items: center; gap: .25rem; }
.icon-btn {
    display: inline-flex; align-items: center; justify-content: center;
    width: 40px; height: 40px; border-radius: var(--radius-sm);
    background: transparent; border: 1px solid transparent; color: var(--fg-soft);
    cursor: pointer; transition: all var(--dur) var(--ease);
}
.icon-btn:hover { background: var(--bg-soft); color: var(--fg); }
.menu-toggle { display: none; }
.icon-moon { display: none; }
html.dark .icon-sun { display: none; }
html.dark .icon-moon { display: block; }

/* Search overlay */
.search-overlay {
    position: fixed; inset: 0; z-index: 200;
    background: color-mix(in srgb, var(--bg) 90%, transparent);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    display: grid; place-items: start center; padding-top: 15vh;
    opacity: 0; visibility: hidden;
    transition: opacity var(--dur) var(--ease), visibility var(--dur) var(--ease);
}
.search-overlay.is-open { opacity: 1; visibility: visible; }
.search-overlay-inner { width: min(720px, 92%); }
.search-form {
    display: flex; align-items: center; gap: .75rem;
    background: var(--bg-elev); border: 1px solid var(--line);
    border-radius: var(--radius-lg); padding: .75rem 1.25rem;
    box-shadow: var(--shadow-lg);
}
.search-icon { color: var(--fg-soft); flex-shrink: 0; }
.search-field {
    flex: 1; border: 0; background: transparent; color: var(--fg);
    font: inherit; font-size: 1.1rem; padding: .5rem 0; outline: none;
}

/* ============================================================
   Sections
   ============================================================ */
.site-main { padding: 3rem 0 5rem; min-height: 60vh; }

.section-head {
    display: flex; justify-content: space-between; align-items: baseline;
    margin-bottom: 1.75rem; gap: 1rem;
}
.section-title {
    font-size: 1.6rem; font-weight: 700; letter-spacing: -.02em;
    margin: 0; position: relative; padding-inline-start: .9rem;
}
.section-title::before {
    content: ''; position: absolute; inset-inline-start: 0; top: .3em; bottom: .3em;
    width: 3px; border-radius: 2px; background: var(--accent);
}
.section-link { color: var(--fg-soft); font-size: .9rem; }
.section-link:hover { color: var(--accent); }

/* ============================================================
   Hero Grid
   ============================================================ */
.hero-grid {
    display: grid;
    grid-template-columns: 1.6fr 1fr 1fr;
    grid-template-rows: repeat(2, minmax(180px, auto));
    gap: 1rem;
    margin-bottom: 3rem;
}
.hero-card {
    background: var(--bg-elev); border: 1px solid var(--line);
    border-radius: var(--radius); overflow: hidden;
    display: flex; flex-direction: column;
    transition: transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}
.hero-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-lg); }
.hero-card--large { grid-row: span 2; grid-column: 1; }
.hero-thumb { display: block; aspect-ratio: 16/9; background: var(--bg-soft); overflow: hidden; }
.hero-card--large .hero-thumb { aspect-ratio: auto; flex: 1; }
.hero-thumb img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s var(--ease); }
.hero-card:hover .hero-thumb img { transform: scale(1.04); }
.thumb-fallback {
    display: block; width: 100%; height: 100%;
    background: linear-gradient(135deg, var(--bg-soft), color-mix(in srgb, var(--accent) 18%, var(--bg-soft)));
}
.hero-body { padding: 1rem 1.1rem 1.25rem; }
.hero-title { font-size: 1rem; line-height: 1.5; margin: .5rem 0 .6rem; font-weight: 600; }
.hero-card--large .hero-title { font-size: 1.35rem; line-height: 1.4; }
.hero-title a:hover { color: var(--accent); }

/* ============================================================
   Chips
   ============================================================ */
.chip {
    display: inline-block; font-size: .72rem; font-weight: 600;
    padding: .25rem .65rem; border-radius: 999px;
    background: color-mix(in srgb, var(--accent) 15%, transparent);
    color: var(--accent-hover);
}
.chip--ghost {
    background: transparent; border: 1px solid var(--line);
    color: var(--fg-soft); font-weight: 500;
}
.chip--ghost:hover { color: var(--accent); border-color: var(--accent); }

/* ============================================================
   Meta row
   ============================================================ */
.meta-row {
    display: flex; align-items: center; gap: .6rem;
    font-size: .78rem; color: var(--fg-soft);
}
.meta-row .dot { width: 3px; height: 3px; border-radius: 50%; background: currentColor; opacity: .5; }

/* ============================================================
   Hot strip
   ============================================================ */
.hot-strip {
    display: flex; align-items: center; gap: 1rem;
    padding: 1rem 1.25rem; border: 1px solid var(--line);
    border-radius: var(--radius); margin-bottom: 3rem;
    background: var(--bg-elev); overflow: hidden;
}
.hot-label { font-weight: 700; font-size: .9rem; white-space: nowrap; color: var(--accent); }
.hot-track { display: flex; gap: .5rem; overflow-x: auto; scrollbar-width: none; }
.hot-track::-webkit-scrollbar { display: none; }

/* ============================================================
   News grid + list toggle
   ============================================================ */
.news-grid[data-view="grid"] {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 1.5rem;
    margin-bottom: 3rem;
}
.news-grid[data-view="list"] {
    display: flex; flex-direction: column; gap: 1rem; margin-bottom: 3rem;
}

.news-card {
    background: var(--bg-elev); border: 1px solid var(--line);
    border-radius: var(--radius); overflow: hidden;
    display: flex; flex-direction: column;
    transition: transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease), border-color var(--dur) var(--ease);
}
.news-card:hover {
    transform: translateY(-4px); box-shadow: var(--shadow-lg);
    border-color: color-mix(in srgb, var(--accent) 40%, var(--line));
}
.news-thumb { display: block; aspect-ratio: 16/10; background: var(--bg-soft); overflow: hidden; }
.news-thumb img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s var(--ease); }
.news-card:hover .news-thumb img { transform: scale(1.05); }
.news-body { padding: 1.1rem 1.15rem 1.25rem; display: flex; flex-direction: column; gap: .6rem; flex: 1; }
.news-title { font-size: 1.05rem; line-height: 1.5; margin: 0; font-weight: 600; }
.news-title a:hover { color: var(--accent); }
.news-excerpt { font-size: .9rem; color: var(--fg-soft); margin: 0; flex: 1; line-height: 1.7; }
.news-foot {
    display: flex; gap: 1rem; padding-top: .75rem;
    border-top: 1px solid var(--line); font-size: .78rem; color: var(--fg-soft);
}
.stat { display: inline-flex; align-items: center; gap: .3rem; }

.news-grid[data-view="list"] .news-card { flex-direction: row; }
.news-grid[data-view="list"] .news-thumb { width: 240px; flex-shrink: 0; aspect-ratio: auto; }
.news-grid[data-view="list"] .news-body { padding: 1.25rem 1.5rem; }

/* View toggle */
.view-options {
    display: flex; gap: .25rem; padding: .25rem;
    background: var(--bg-soft); border-radius: var(--radius-sm);
}
.view-btn {
    display: inline-flex; align-items: center; justify-content: center;
    width: 34px; height: 34px; border-radius: 6px; border: 0;
    background: transparent; color: var(--fg-soft); cursor: pointer;
    transition: all var(--dur) var(--ease);
}
.view-btn.is-active { background: var(--bg-elev); color: var(--fg); box-shadow: var(--shadow-sm); }

/* Empty state */
.empty-state { grid-column: 1/-1; text-align: center; padding: 4rem 1rem; color: var(--fg-soft); }
.empty-state h3 { color: var(--fg); margin-bottom: .5rem; }

/* ============================================================
   Pagination
   ============================================================ */
.pagination, .nav-links {
    display: flex; justify-content: center; gap: .4rem;
    margin-top: 3rem; flex-wrap: wrap;
}
.page-numbers {
    display: inline-flex; align-items: center; justify-content: center;
    min-width: 42px; height: 42px; padding: 0 .9rem;
    border-radius: var(--radius-sm); border: 1px solid var(--line);
    color: var(--fg-soft); font-size: .92rem; font-weight: 500;
    transition: all var(--dur) var(--ease);
}
.page-numbers:hover, .page-numbers.current {
    background: var(--fg); color: var(--bg); border-color: var(--fg);
}
.page-numbers.dots { border: 0; background: transparent; }

/* ============================================================
   Footer
   ============================================================ */
.site-footer {
    background: var(--bg-soft); border-top: 1px solid var(--line);
    padding: 4rem 0 1.5rem; margin-top: 4rem;
}
.footer-grid {
    display: grid; grid-template-columns: 1.5fr 1fr 1fr;
    gap: 2.5rem; margin-bottom: 2.5rem;
}
.footer-logo { font-size: 1.15rem; margin: 0 0 .75rem; }
.footer-about { color: var(--fg-soft); font-size: .9rem; line-height: 1.8; margin: 0; }
.footer-about a { color: var(--accent); border-bottom: 1px dashed currentColor; }
.footer-col h4 {
    font-size: .85rem; letter-spacing: .08em;
    color: var(--fg-soft); margin: 0 0 1rem; font-weight: 600;
}
.footer-col ul { list-style: none; margin: 0; padding: 0; }
.footer-col li { margin-bottom: .5rem; font-size: .9rem; }
.footer-contact a { color: var(--fg); }
.footer-contact a:hover { color: var(--accent); }
.footer-bottom {
    padding-top: 1.5rem; border-top: 1px solid var(--line);
    text-align: center; font-size: .82rem; color: var(--fg-soft);
}

/* ============================================================
   Single Post
   ============================================================ */
.reading-progress {
    position: fixed; top: 68px; left: 0; right: 0; height: 3px;
    background: transparent; z-index: 90; pointer-events: none;
}
.reading-progress span {
    display: block; height: 100%; width: 0;
    background: var(--accent);
    transition: width .1s linear;
}

.breadcrumb {
    display: flex; align-items: center; gap: .5rem; flex-wrap: wrap;
    font-size: .82rem; color: var(--fg-soft);
    padding: 1.5rem 0 1rem;
}
.breadcrumb a:hover { color: var(--accent); }
.breadcrumb-current { color: var(--fg); }

.single-article .entry-header {
    max-width: 780px; margin: 0 auto 2rem; text-align: center;
}
.single-article .entry-title {
    font-size: clamp(1.6rem, 3.2vw, 2.6rem);
    line-height: 1.35; letter-spacing: -.02em;
    margin: 1rem 0; font-weight: 800;
}
.single-article .entry-lead {
    font-size: 1.1rem; line-height: 1.7; color: var(--fg-soft);
    margin: 0 auto 1.5rem; max-width: 680px;
}
.single-article .entry-meta {
    display: flex; flex-wrap: wrap; justify-content: center;
    gap: 1.25rem; font-size: .82rem; color: var(--fg-soft);
    padding: 1rem 0; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line);
}
.single-article .meta-item { display: inline-flex; align-items: center; gap: .35rem; }
.single-article .meta-read { color: var(--accent); font-weight: 600; }

.entry-cover {
    margin: 0 auto 2.5rem; max-width: 1000px;
    border-radius: var(--radius-lg); overflow: hidden;
    aspect-ratio: 16/9; background: var(--bg-soft);
}
.entry-cover img { width: 100%; height: 100%; object-fit: cover; display: block; }

.entry-layout { max-width: 780px; margin: 0 auto; }

.entry-content {
    font-size: 1.08rem; line-height: 1.95;
    color: var(--fg);
    text-align: justify;
    text-justify: inter-word;
    letter-spacing: -.005em;
}
.entry-content > p:first-of-type::first-letter {
    float: right; font-size: 3.4em; line-height: .9;
    padding: .1em .2em .1em 0; color: var(--accent); font-weight: 800;
}
.entry-content p { margin-bottom: 1.6em; }
.entry-content h2 { font-size: 1.55rem; margin: 2.2em 0 1em; letter-spacing: -.01em; }
.entry-content h3 { font-size: 1.25rem; margin: 1.8em 0 .8em; }
.entry-content a {
    color: var(--accent);
    border-bottom: 1px solid color-mix(in srgb, var(--accent) 35%, transparent);
    transition: border-color var(--dur) var(--ease);
}
.entry-content a:hover { border-bottom-color: var(--accent); }
.entry-content img { border-radius: var(--radius); margin: 1.5rem auto; }
.entry-content blockquote {
    border-inline-start: 3px solid var(--accent);
    background: var(--bg-soft);
    padding: 1rem 1.25rem; margin: 2rem 0;
    border-radius: var(--radius-sm);
    font-style: italic; color: var(--fg-soft);
}
.entry-content ul, .entry-content ol { padding-inline-start: 1.5rem; margin: 1.25rem 0; }
.entry-content li { margin-bottom: .55rem; }
.entry-content code {
    background: var(--bg-soft); padding: .15em .45em;
    border-radius: 4px; font-size: .9em;
}
.entry-content pre {
    background: var(--bg-soft); padding: 1.25rem;
    border-radius: var(--radius-sm); overflow-x: auto;
    border: 1px solid var(--line);
}
.entry-content table { width: 100%; border-collapse: collapse; margin: 1.5rem 0; }
.entry-content th, .entry-content td { padding: .75rem; border: 1px solid var(--line); text-align: right; }
.entry-content th { background: var(--bg-soft); font-weight: 600; }

.entry-tags { display: flex; flex-wrap: wrap; gap: .5rem; margin: 2.5rem 0 1.5rem; }

.share-row {
    display: flex; align-items: center; gap: .6rem; flex-wrap: wrap;
    padding: 1.25rem 0; margin: 1.5rem 0;
    border-top: 1px solid var(--line); border-bottom: 1px solid var(--line);
}
.share-label { font-size: .85rem; color: var(--fg-soft); }
.share-btn {
    display: inline-flex; align-items: center; justify-content: center;
    width: 38px; height: 38px; border-radius: 50%;
    background: var(--bg-soft); color: var(--fg);
    border: 1px solid var(--line); cursor: pointer;
    transition: all var(--dur) var(--ease);
}
.share-btn:hover {
    background: var(--accent); color: #fff; border-color: var(--accent);
    transform: translateY(-2px);
}
.share-btn.is-copied { background: #10b981; color: #fff; border-color: #10b981; }

.post-nav {
    display: grid; grid-template-columns: 1fr 1fr;
    gap: 1rem; margin: 2.5rem 0;
}
.post-nav-item {
    padding: 1.25rem; border: 1px solid var(--line);
    border-radius: var(--radius); background: var(--bg-elev);
    transition: all var(--dur) var(--ease);
    display: flex; flex-direction: column; gap: .35rem;
}
.post-nav-item:hover {
    border-color: var(--accent); transform: translateY(-2px); box-shadow: var(--shadow-lg);
}
.post-nav-next { text-align: left; }
.post-nav-dir { font-size: .78rem; color: var(--fg-soft); }
.post-nav-title { font-size: .95rem; font-weight: 600; line-height: 1.4; }

.related-section { margin-top: 3rem; padding-top: 2rem; border-top: 1px solid var(--line); }
.related-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: 1rem;
}
.related-card {
    background: var(--bg-elev); border: 1px solid var(--line);
    border-radius: var(--radius); overflow: hidden;
    transition: transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}
.related-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-lg); }
.related-thumb { display: block; aspect-ratio: 16/10; background: var(--bg-soft); overflow: hidden; }
.related-thumb img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s var(--ease); }
.related-card:hover .related-thumb img { transform: scale(1.05); }
.related-body { padding: .85rem 1rem 1rem; }
.related-title-card { font-size: .92rem; line-height: 1.5; margin: 0 0 .4rem; font-weight: 600; }
.related-title-card a:hover { color: var(--accent); }
.related-body time { font-size: .75rem; color: var(--fg-soft); }

/* Comments */
.comments-area { margin-top: 3rem; padding-top: 2rem; border-top: 1px solid var(--line); }
.comments-title, .comment-reply-title { font-size: 1.25rem; margin-bottom: 1.5rem; }
.comment-list { list-style: none; padding: 0; margin: 0 0 2rem; }
.comment-list ol.children { list-style: none; padding-inline-start: 2rem; }
.comment-body {
    padding: 1.25rem; border: 1px solid var(--line);
    border-radius: var(--radius); margin-bottom: 1rem; background: var(--bg-elev);
}
.comment-author { font-weight: 600; margin-bottom: .5rem; }
.comment-meta { font-size: .78rem; color: var(--fg-soft); margin-bottom: .75rem; }
.comment-form input[type="text"], .comment-form input[type="email"],
.comment-form input[type="url"], .comment-form textarea {
    width: 100%; padding: .75rem 1rem;
    border: 1px solid var(--line); border-radius: var(--radius-sm);
    background: var(--bg-elev); color: var(--fg); font: inherit;
    transition: border-color var(--dur) var(--ease);
}
.comment-form input:focus, .comment-form textarea:focus { outline: none; border-color: var(--accent); }
.comment-form .submit {
    background: var(--accent); color: #fff; border: 0;
    padding: .75rem 1.75rem; border-radius: var(--radius-sm);
    font: inherit; font-weight: 600; cursor: pointer;
    transition: background var(--dur) var(--ease);
}
.comment-form .submit:hover { background: var(--accent-hover); }

/* Reveal */
.reveal {
    opacity: 0; transform: translateY(14px);
    transition: opacity .5s var(--ease), transform .5s var(--ease);
}
.reveal.is-visible { opacity: 1; transform: none; }

/* ============================================================
   Responsive
   ============================================================ */
@media (max-width: 992px) {
    .hero-grid { grid-template-columns: 1fr 1fr; }
    .hero-card--large { grid-row: auto; grid-column: span 2; }
    .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 768px) {
    .primary-nav { display: none; }
    .menu-toggle { display: inline-flex; }
    .primary-nav.is-open {
        display: block; position: absolute; inset-inline: 0; top: 100%;
        background: var(--bg-elev); border-bottom: 1px solid var(--line);
        padding: 1rem;
    }
    .primary-nav.is-open ul { flex-direction: column; }
    .hero-grid { grid-template-columns: 1fr; }
    .hero-card--large { grid-column: auto; }
    .news-grid[data-view="list"] .news-card { flex-direction: column; }
    .news-grid[data-view="list"] .news-thumb { width: 100%; }
    .footer-grid { grid-template-columns: 1fr; gap: 2rem; }
    .site-main { padding: 2rem 0 4rem; }
    .section-title { font-size: 1.3rem; }
    .single-article .entry-meta { gap: .85rem; font-size: .78rem; }
    .post-nav { grid-template-columns: 1fr; }
    .post-nav-next { text-align: right; }
    .entry-content { font-size: 1.02rem; }
    .reading-progress { top: 60px; }
}
@media (max-width: 480px) {
    .container { width: 95%; }
    .hero-grid { grid-template-columns: 1fr; }
    .hot-strip { flex-direction: column; align-items: flex-start; }
    .section-title { font-size: 1.2rem; }
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: .01ms !important;
        transition-duration: .01ms !important;
        scroll-behavior: auto !important;
    }
}