/* ============================================================
   post.css — single post page styles
   Enqueued only on is_singular('post') via functions.php
   ============================================================ */

/* ══════════════════════════════════════════════════════════
   POST HERO — text-only, dark background
══════════════════════════════════════════════════════════ */
.post-hero {
    background: var(--gradient-hero);
    padding: var(--sp-8) 0 var(--sp-10);
    position: relative;
    overflow: hidden;
}
.post-hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(255,255,255,.035) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,.035) 1px, transparent 1px);
    background-size: 40px 40px;
    pointer-events: none;
}

/* Breadcrumb */
.post-breadcrumb {
    display: flex;
    align-items: center;
    gap: var(--sp-2);
    font-size: var(--text-sm);
    color: rgba(255,255,255,.55);
    margin-bottom: var(--sp-4);
}
.post-breadcrumb a { color: rgba(255,255,255,.55); text-decoration: none; transition: color .2s; }
.post-breadcrumb a:hover { color: #fff; }
.post-breadcrumb svg { width: 14px; height: 14px; opacity: .4; flex-shrink: 0; }

/* Category pill */
.post-cat {
    display: inline-flex;
    align-items: center;
    gap: var(--sp-1);
    background: var(--color-primary);
    color: #fff;
    font-size: var(--text-xs);
    font-weight: 700;
    font-family: var(--font-heading);
    text-transform: uppercase;
    letter-spacing: .06em;
    padding: 4px 12px;
    border-radius: var(--r-full);
    text-decoration: none;
    margin-bottom: var(--sp-4);
}
.post-cat--grants { background: #e84040; }
.post-cat--tech   { background: #7c3aed; }
.post-cat--market { background: var(--gold-600); }

.post-hero__title {
    font-family: var(--font-heading);
    font-size: clamp(1.75rem, 3.8vw, 2.75rem);
    font-weight: 800;
    color: #fff;
    line-height: 1.18;
    max-width: 820px;
    margin: 0 0 var(--sp-6);
}

.post-hero__meta {
    display: flex;
    align-items: center;
    gap: var(--sp-5);
    flex-wrap: wrap;
}
.post-hero__author {
    display: flex;
    align-items: center;
    gap: var(--sp-2);
}
.post-hero__avatar {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: #fff;
    border: 2px solid rgba(255,255,255,.3);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
    font-weight: 700;
    color: #fff;
    font-family: var(--font-heading);
    flex-shrink: 0;
    overflow: hidden;
}
.post-hero__avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 50%;
}
.post-hero__author-name {
    font-size: var(--text-sm);
    font-weight: 500;
    color: rgba(255,255,255,.9);
}
.post-hero__meta-item {
    display: flex;
    align-items: center;
    gap: 5px;
    font-size: var(--text-sm);
    color: rgba(255,255,255,.65);
}
.post-hero__meta-item svg { width: 14px; height: 14px; }

/* ══════════════════════════════════════════════════════════
   ARTICLE LAYOUT
══════════════════════════════════════════════════════════ */
.post-body {
    background: #fff;
    padding: var(--sp-12) 0 var(--sp-20);
}

.post-layout {
    display: grid;
    grid-template-columns: 1fr 260px;
    gap: var(--sp-12);
    align-items: start;
}

/* ── Sticky TOC sidebar ── */
.post-sidebar {
    position: sticky;
    top: calc(var(--header-h) + var(--sp-6));
    display: flex;
    flex-direction: column;
    gap: var(--sp-5);
}

.toc-widget {
    background: var(--color-bg);
    border: 1px solid var(--color-border-soft);
    border-radius: var(--r-lg);
    padding: var(--sp-5);
}
.toc-widget__title {
    font-family: var(--font-heading);
    font-size: var(--text-xs);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: .06em;
    color: var(--color-text-muted);
    margin-bottom: var(--sp-3);
}
.toc-list {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 2px;
}
.toc-list a {
    display: block;
    padding: var(--sp-2) var(--sp-3);
    font-size: var(--text-sm);
    color: var(--color-text-muted);
    text-decoration: none;
    border-radius: var(--r-sm);
    border-left: 2px solid transparent;
    line-height: 1.4;
    transition: background .15s, color .15s, border-color .15s;
}
.toc-list a:hover,
.toc-list a.active {
    background: var(--green-100);
    color: var(--color-primary);
    border-left-color: var(--color-primary);
}
.toc-list .toc-sub a {
    padding-left: var(--sp-6);
    font-size: var(--text-xs);
}

/* Sidebar articles widget */
.sidebar-posts-widget {
    background: var(--color-bg);
    border: 1px solid var(--color-border-soft);
    border-radius: var(--r-lg);
    overflow: hidden;
}
.sidebar-posts-widget__title {
    font-family: var(--font-heading);
    font-size: var(--text-xs);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: .06em;
    color: var(--color-text-muted);
    padding: var(--sp-4) var(--sp-4) var(--sp-3);
    border-bottom: 1px solid var(--color-border-soft);
}
.sidebar-posts-list {
    display: flex;
    flex-direction: column;
}
.spost {
    display: block;
    text-decoration: none;
    color: inherit;
    border-bottom: 1px solid var(--color-border-soft);
    transition: background .15s;
}
.spost:last-child { border-bottom: none; }
.spost:hover { background: var(--green-50); }
.spost__thumb {
    aspect-ratio: 16/9;
    overflow: hidden;
}
.spost__thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform .35s;
}
.spost:hover .spost__thumb img { transform: scale(1.05); }
.spost__body {
    padding: var(--sp-3) var(--sp-4);
}
.spost__title {
    font-family: var(--font-heading);
    font-size: var(--text-sm);
    font-weight: 600;
    color: var(--color-text);
    line-height: 1.35;
    margin: 0;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    transition: color .15s;
}
.spost:hover .spost__title { color: var(--color-primary); }

/* Share buttons — below article */
.post-share {
    display: flex;
    align-items: center;
    gap: var(--sp-4);
    flex-wrap: wrap;
    padding: var(--sp-6) 0;
    border-top: 1px solid var(--color-border-soft);
    border-bottom: 1px solid var(--color-border-soft);
    margin-bottom: var(--sp-8);
}
.post-share__label {
    font-family: var(--font-heading);
    font-size: var(--text-sm);
    font-weight: 700;
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: .06em;
    margin-right: var(--sp-2);
}
.share-btns { display: flex; gap: var(--sp-2); flex-wrap: wrap; }
.share-btn {
    display: inline-flex;
    align-items: center;
    gap: var(--sp-2);
    padding: var(--sp-2) var(--sp-4);
    border-radius: var(--r-md);
    font-size: var(--text-sm);
    font-weight: 600;
    font-family: var(--font-heading);
    cursor: pointer;
    border: none;
    text-decoration: none;
    color: #fff;
    transition: opacity .2s;
}
.share-btn:hover { opacity: .85; color: #fff; }
.share-btn svg { width: 16px; height: 16px; flex-shrink: 0; }
.share-btn--telegram { background: #2AABEE; }
.share-btn--facebook { background: #1877F2; }
.share-btn--viber    { background: #7360F2; }

/* ══════════════════════════════════════════════════════════
   ARTICLE CONTENT TYPOGRAPHY
══════════════════════════════════════════════════════════ */
.entry-content {
    font-family: var(--font-body);
    font-size: 1.0625rem;
    line-height: 1.78;
    color: var(--color-text);
}

/* Lead */
.entry-content .post-lead {
    font-size: var(--text-xl);
    line-height: 1.6;
    color: var(--color-text-muted);
    font-weight: 400;
    margin-bottom: var(--sp-8);
    padding-bottom: var(--sp-8);
    border-bottom: 1px solid var(--color-border-soft);
}

.entry-content p { margin-bottom: var(--sp-5); }

/* ── Complete heading scale ── */
.entry-content h1,
.entry-content h2,
.entry-content h3,
.entry-content h4,
.entry-content h5,
.entry-content h6 {
    font-family: var(--font-heading);
    color: var(--color-text);
    letter-spacing: -0.02em;
    scroll-margin-top: calc(var(--header-h) + var(--sp-4));
}

/* H1 in body (e.g. pasted content) — cap at reasonable size */
.entry-content h1 {
    font-size: 1.875rem;
    font-weight: 800;
    line-height: 1.2;
    margin: var(--sp-10) 0 var(--sp-4);
}

.entry-content h2 {
    font-size: 1.5rem;
    font-weight: 700;
    line-height: 1.25;
    margin: var(--sp-10) 0 var(--sp-4);
    padding-bottom: var(--sp-2);
    border-bottom: 2px solid var(--green-100);
}

.entry-content h3 {
    font-size: 1.25rem;
    font-weight: 700;
    line-height: 1.3;
    margin: var(--sp-8) 0 var(--sp-3);
}

.entry-content h4 {
    font-size: 1.0625rem;
    font-weight: 700;
    line-height: 1.4;
    margin: var(--sp-6) 0 var(--sp-2);
}

.entry-content h5 {
    font-size: 1rem;
    font-weight: 600;
    line-height: 1.4;
    margin: var(--sp-5) 0 var(--sp-2);
    text-transform: uppercase;
    letter-spacing: .06em;
    color: var(--color-text-muted);
}

.entry-content h6 {
    font-size: 0.875rem;
    font-weight: 600;
    line-height: 1.4;
    margin: var(--sp-5) 0 var(--sp-2);
    color: var(--color-text-muted);
}

/* ── Reset Gutenberg font-size presets inside article ── */
.entry-content .has-small-font-size    { font-size: 0.875rem  !important; }
.entry-content .has-normal-font-size,
.entry-content .has-medium-font-size   { font-size: 1.0625rem !important; }
.entry-content .has-large-font-size    { font-size: 1.25rem   !important; }
.entry-content .has-x-large-font-size  { font-size: 1.5rem    !important; }
.entry-content .has-huge-font-size     { font-size: 1.875rem  !important; }

.entry-content a {
    color: var(--color-primary);
    text-decoration: underline;
    text-decoration-color: var(--green-200);
    text-underline-offset: 3px;
    transition: text-decoration-color .2s;
}
.entry-content a:hover { text-decoration-color: var(--color-primary); }

.entry-content ul,
.entry-content ol {
    padding-left: var(--sp-6);
    margin-bottom: var(--sp-5);
}
.entry-content li { margin-bottom: var(--sp-2); }

.entry-content strong { font-weight: 700; color: var(--color-text); }
.entry-content em { font-style: italic; }

/* Horizontal rule */
.entry-content hr {
    border: none;
    border-top: 2px solid var(--green-100);
    margin: var(--sp-10) 0;
}

/* Inline code */
.entry-content code {
    font-family: 'Menlo', 'Consolas', monospace;
    font-size: .875em;
    background: var(--green-50);
    color: var(--green-800);
    border: 1px solid var(--green-200);
    border-radius: var(--r-sm);
    padding: .1em .4em;
}

/* Code block */
.entry-content pre {
    background: #0f1923;
    color: #e2e8f0;
    border-radius: var(--r-lg);
    padding: var(--sp-5) var(--sp-6);
    overflow-x: auto;
    margin: var(--sp-6) 0;
    font-size: .875rem;
    line-height: 1.65;
}
.entry-content pre code {
    background: none;
    border: none;
    padding: 0;
    color: inherit;
    font-size: inherit;
}

/* Table */
.entry-content table {
    width: 100%;
    border-collapse: collapse;
    font-size: var(--text-sm);
    margin: var(--sp-8) 0;
    border-radius: var(--r-lg);
    overflow: hidden;
    border: 1px solid var(--color-border-soft);
}
.entry-content thead th {
    background: var(--green-800);
    color: #fff;
    font-family: var(--font-heading);
    font-weight: 700;
    text-align: left;
    padding: var(--sp-3) var(--sp-4);
    font-size: var(--text-xs);
    letter-spacing: .05em;
    text-transform: uppercase;
}
.entry-content tbody tr:nth-child(odd)  { background: var(--color-surface); }
.entry-content tbody tr:nth-child(even) { background: #fff; }
.entry-content td {
    padding: var(--sp-3) var(--sp-4);
    border-bottom: 1px solid var(--color-border-soft);
    vertical-align: top;
    line-height: 1.5;
}
.entry-content tbody tr:last-child td { border-bottom: none; }

/* Blockquote */
.entry-content blockquote {
    margin: var(--sp-8) 0;
    padding: var(--sp-5) var(--sp-6);
    background: var(--green-50);
    border-left: 4px solid var(--color-primary);
    border-radius: 0 var(--r-md) var(--r-md) 0;
}
.entry-content blockquote p {
    font-size: var(--text-lg);
    font-style: italic;
    color: var(--color-text-muted);
    margin-bottom: var(--sp-2);
}
.entry-content blockquote cite {
    font-size: var(--text-sm);
    font-style: normal;
    font-weight: 600;
    color: var(--color-primary);
}

/* Featured image (first in article) */
.post-featured-img {
    margin: var(--sp-8) 0 var(--sp-10);
    border-radius: var(--r-xl);
    overflow: hidden;
    box-shadow: var(--shadow-md);
}
.post-featured-img img {
    width: 100%;
    display: block;
    aspect-ratio: 16/9;
    object-fit: cover;
}
.post-featured-img figcaption {
    font-size: var(--text-sm);
    color: var(--color-text-light);
    text-align: center;
    padding: var(--sp-3) var(--sp-4);
    font-style: italic;
    background: var(--color-bg);
}

/* Inline image */
.entry-content figure {
    margin: var(--sp-8) 0;
}
.entry-content figure img {
    width: 100%;
    border-radius: var(--r-lg);
    display: block;
}
.entry-content figcaption {
    font-size: var(--text-sm);
    color: var(--color-text-light);
    text-align: center;
    margin-top: var(--sp-3);
    font-style: italic;
}

/* Info box */
.info-box {
    background: var(--green-50);
    border: 1px solid var(--green-200);
    border-radius: var(--r-lg);
    padding: var(--sp-5) var(--sp-6);
    margin: var(--sp-8) 0;
    display: flex;
    gap: var(--sp-4);
}
.info-box__icon {
    width: 24px;
    height: 24px;
    color: var(--color-primary);
    flex-shrink: 0;
    margin-top: 2px;
}
.info-box__content { flex: 1; }
.info-box__title {
    font-family: var(--font-heading);
    font-size: var(--text-sm);
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: var(--sp-2);
}
.info-box p {
    font-size: var(--text-sm);
    color: var(--color-text-muted);
    margin: 0;
    line-height: 1.6;
}

/* Key numbers row */
.key-nums {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--sp-4);
    margin: var(--sp-8) 0;
}
.key-num {
    background: var(--color-surface);
    border: 1px solid var(--color-border-soft);
    border-radius: var(--r-lg);
    padding: var(--sp-5);
    text-align: center;
}
.key-num__val {
    font-family: var(--font-heading);
    font-size: var(--text-3xl);
    font-weight: 800;
    color: var(--color-primary);
    line-height: 1;
    margin-bottom: var(--sp-1);
}
.key-num__label {
    font-size: var(--text-xs);
    color: var(--color-text-muted);
    line-height: 1.4;
}

/* Tags */
.post-tags {
    display: flex;
    flex-wrap: wrap;
    gap: var(--sp-2);
    margin-top: var(--sp-10);
    padding-top: var(--sp-6);
    padding-bottom: var(--sp-6);
    border-top: 1px solid var(--color-border-soft);
}
.post-tags__label {
    font-size: var(--text-sm);
    font-weight: 600;
    color: var(--color-text-muted);
    margin-right: var(--sp-1);
    align-self: center;
}
.tag-pill {
    display: inline-flex;
    font-size: var(--text-xs);
    font-weight: 500;
    color: var(--color-text-muted);
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--r-full);
    padding: 4px 12px;
    text-decoration: none;
    transition: background .2s, color .2s, border-color .2s;
}
.tag-pill:hover {
    background: var(--green-100);
    color: var(--color-primary);
    border-color: var(--green-200);
}

/* ══════════════════════════════════════════════════════════
   AUTHOR BLOCK
══════════════════════════════════════════════════════════ */
.author-block {
    display: flex;
    gap: var(--sp-5);
    padding: var(--sp-6);
    background: var(--color-bg);
    border-radius: var(--r-xl);
    border: 1px solid var(--color-border-soft);
    margin-top: var(--sp-10);
}
.author-block__photo {
    width: 72px;
    height: 72px;
    border-radius: 50%;
    object-fit: cover;
    flex-shrink: 0;
    background: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    font-weight: 700;
    font-family: var(--font-heading);
    color: var(--color-primary);
    overflow: hidden;
}
.author-block__photo img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 50%;
}
.author-block__info { flex: 1; }
.author-block__label {
    font-size: var(--text-xs);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: .06em;
    color: var(--color-text-light);
    margin-bottom: var(--sp-1);
}
.author-block__name {
    font-family: var(--font-heading);
    font-size: var(--text-lg);
    font-weight: 700;
    color: var(--color-text);
    margin-bottom: var(--sp-2);
}
.author-block__bio {
    font-size: var(--text-sm);
    color: var(--color-text-muted);
    line-height: 1.6;
    margin: 0;
}

/* ══════════════════════════════════════════════════════════
   RELATED POSTS
══════════════════════════════════════════════════════════ */
.related-section {
    background: var(--color-bg);
    padding: var(--sp-16) 0;
    border-top: 1px solid var(--color-border-soft);
}
.related-section__head {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    margin-bottom: var(--sp-8);
}
.related-section__title {
    font-family: var(--font-heading);
    font-size: var(--text-2xl);
    font-weight: 700;
    color: var(--color-text);
}
.related-section__link {
    font-size: var(--text-sm);
    font-weight: 600;
    color: var(--color-primary);
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: var(--sp-1);
}
.related-section__link svg { width: 14px; height: 14px; }
.related-section__link:hover { text-decoration: underline; }

.related-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--sp-6);
}

.rel-card {
    background: var(--color-surface);
    border-radius: var(--r-lg);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    text-decoration: none;
    color: inherit;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--color-border-soft);
    transition: box-shadow .25s, transform .25s, border-color .25s;
}
.rel-card:hover { box-shadow: var(--shadow-md); transform: translateY(-3px); border-color: var(--color-border); }
.rel-card__thumb {
    position: relative;
    overflow: hidden;
    aspect-ratio: 16/10;
    flex-shrink: 0;
}
.rel-card__thumb img { width: 100%; height: 100%; object-fit: cover; transition: transform .4s; }
.rel-card:hover .rel-card__thumb img { transform: scale(1.06); }
.rel-card__cat {
    position: absolute;
    bottom: var(--sp-3);
    left: var(--sp-3);
    background: rgba(0,0,0,.5);
    backdrop-filter: blur(6px);
    color: #fff;
    font-size: 11px;
    font-weight: 700;
    font-family: var(--font-heading);
    text-transform: uppercase;
    letter-spacing: .05em;
    padding: 3px 8px;
    border-radius: var(--r-full);
}
.rel-card__body { padding: var(--sp-5); flex: 1; display: flex; flex-direction: column; gap: var(--sp-3); }
.rel-card__title {
    font-family: var(--font-heading);
    font-size: var(--text-base);
    font-weight: 700;
    color: var(--color-text);
    line-height: 1.35;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
    transition: color .2s;
}
.rel-card:hover .rel-card__title { color: var(--color-primary); }
.rel-card__date {
    font-size: var(--text-xs);
    color: var(--color-text-light);
    margin-top: auto;
    display: flex;
    align-items: center;
    gap: 4px;
}
.rel-card__date svg { width: 12px; height: 12px; }

/* ══════════════════════════════════════════════════════════
   RESPONSIVE
══════════════════════════════════════════════════════════ */
@media (max-width: 1100px) {
    .post-layout { grid-template-columns: 1fr; }
    .post-sidebar { position: static; display: none; }
}
@media (max-width: 768px) {
    .post-hero__title { font-size: 1.5rem; }
    /* Breadcrumb: hide article title (shown in h1 below) and its preceding arrow */
    .post-breadcrumb span,
    .post-breadcrumb svg:last-of-type { display: none; }
    /* Hide reading time on mobile */
    .post-hero__meta-item:last-child { display: none; }
    .key-nums { grid-template-columns: repeat(2, 1fr); }
    .related-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 560px) {
    .related-grid { grid-template-columns: 1fr; }
    .author-block { flex-direction: column; align-items: center; text-align: center; }
    .key-nums { grid-template-columns: 1fr; }
}