/* ============================================================
   Train the Trainer News — Main Stylesheet
   Professional news publication design
   ============================================================ */

:root {
  --primary: #1a1a2e;
  --accent: #c0392b;
  --accent-hover: #a93226;
  --text: #1a1a1a;
  --text-muted: #666;
  --border: #e0e0e0;
  --bg: #f8f8f8;
  --white: #ffffff;
  --card-shadow: 0 2px 8px rgba(0,0,0,0.08);
  --font-serif: 'Source Serif 4', Georgia, serif;
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --max-width: 1200px;
  --radius: 4px;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { font-size: 16px; scroll-behavior: smooth; }

body {
  font-family: var(--font-sans);
  color: var(--text);
  background: var(--bg);
  line-height: 1.6;
}

a { color: var(--primary); text-decoration: none; }
a:hover { color: var(--accent); }

img { max-width: 100%; height: auto; display: block; }

.container { max-width: var(--max-width); margin: 0 auto; padding: 0 20px; }

.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0,0,0,0); }

/* ── Header ─────────────────────────────────────────────── */
.site-header { background: var(--white); border-bottom: 3px solid var(--accent); position: sticky; top: 0; z-index: 100; box-shadow: 0 2px 10px rgba(0,0,0,0.1); }

.header-top { background: var(--primary); color: #ccc; font-size: 0.78rem; padding: 6px 0; }
.header-top-inner { display: flex; justify-content: space-between; align-items: center; }
.header-top-links { display: flex; gap: 16px; }
.header-top-links a { color: #ccc; }
.header-top-links a:hover { color: #fff; }
.rss-link::before { content: "📡 "; }

.header-main { padding: 16px 0; }
.header-main .container { display: flex; align-items: center; justify-content: space-between; gap: 20px; }

.site-logo-link { text-decoration: none; }
.logo-main { display: block; font-family: var(--font-serif); font-size: 1.8rem; font-weight: 700; color: var(--primary); letter-spacing: -0.5px; line-height: 1; }
.logo-sub { display: block; font-size: 0.75rem; font-weight: 700; letter-spacing: 4px; color: var(--accent); text-transform: uppercase; }
.site-tagline { font-size: 0.78rem; color: var(--text-muted); margin-top: 2px; }

.search-form { display: flex; border: 2px solid var(--border); border-radius: var(--radius); overflow: hidden; }
.search-form input { padding: 8px 14px; border: none; outline: none; font-size: 0.9rem; width: 240px; }
.search-form button { background: var(--accent); color: white; border: none; padding: 8px 14px; cursor: pointer; }
.search-form button:hover { background: var(--accent-hover); }

/* ── Navigation ─────────────────────────────────────────── */
.site-nav { background: var(--primary); }
.site-nav .container { position: relative; }
.nav-list { display: flex; list-style: none; gap: 0; }
.nav-list a { display: block; padding: 12px 18px; color: #e0e0e0; font-size: 0.88rem; font-weight: 500; transition: background 0.2s, color 0.2s; }
.nav-list a:hover, .nav-list a.active { background: var(--accent); color: white; }

.nav-dropdown { position: relative; }
.nav-dropdown-toggle { cursor: pointer; display: flex; align-items: center; gap: 4px; }
.dropdown-menu { display: none; position: absolute; top: 100%; left: 0; background: var(--white); border: 1px solid var(--border); border-top: 3px solid var(--accent); min-width: 220px; z-index: 200; box-shadow: var(--card-shadow); list-style: none; }
.dropdown-menu a { color: var(--text); padding: 10px 18px; font-size: 0.85rem; border-bottom: 1px solid var(--border); }
.dropdown-menu a:hover { background: #f5f5f5; color: var(--accent); }
.nav-dropdown:hover .dropdown-menu { display: block; }

.nav-toggle { display: none; background: none; border: none; cursor: pointer; padding: 10px; }
.nav-toggle span { display: block; width: 22px; height: 2px; background: white; margin: 4px 0; }

/* ── Breaking ticker ─────────────────────────────────────── */
.breaking-bar { background: #fff3cd; border-bottom: 1px solid #ffc107; padding: 8px 0; font-size: 0.82rem; }
.breaking-bar .container { display: flex; align-items: center; gap: 12px; overflow: hidden; }
.breaking-label { background: var(--accent); color: white; padding: 2px 10px; font-weight: 700; font-size: 0.75rem; text-transform: uppercase; letter-spacing: 1px; white-space: nowrap; border-radius: 2px; }
.breaking-ticker { display: flex; gap: 24px; overflow: hidden; }
.breaking-ticker a { color: var(--text); white-space: nowrap; font-weight: 500; }
.breaking-ticker a::after { content: " •"; color: var(--text-muted); }
.breaking-ticker a:hover { color: var(--accent); }

/* ── Featured article ────────────────────────────────────── */
.featured-section { padding: 32px 0 24px; }
.featured-article { display: grid; grid-template-columns: 1fr 1fr; gap: 32px; background: var(--white); border-radius: var(--radius); overflow: hidden; box-shadow: var(--card-shadow); }
.featured-image { position: relative; min-height: 320px; overflow: hidden; }
.featured-image img { width: 100%; height: 100%; object-fit: cover; }
.featured-image-placeholder { width: 100%; height: 100%; min-height: 320px; display: flex; align-items: center; justify-content: center; background: linear-gradient(135deg, var(--primary) 0%, #2d4a7a 100%); }
.featured-image-placeholder .category-icon { font-size: 4rem; }
.article-category-badge { position: absolute; top: 16px; left: 16px; background: var(--accent); color: white; padding: 4px 12px; font-size: 0.75rem; font-weight: 700; text-transform: uppercase; letter-spacing: 1px; border-radius: 2px; }
.article-category-badge a { color: white; }

.featured-content { padding: 32px; display: flex; flex-direction: column; justify-content: center; }
.article-meta { display: flex; gap: 16px; font-size: 0.82rem; color: var(--text-muted); margin-bottom: 12px; }
.featured-title { font-family: var(--font-serif); font-size: 1.8rem; font-weight: 700; line-height: 1.25; margin-bottom: 16px; }
.featured-title a { color: var(--text); }
.featured-title a:hover { color: var(--accent); }
.featured-summary { color: var(--text-muted); font-size: 1rem; line-height: 1.6; margin-bottom: 20px; }
.read-more-btn { display: inline-block; background: var(--accent); color: white; padding: 10px 24px; font-weight: 600; font-size: 0.9rem; border-radius: var(--radius); transition: background 0.2s; }
.read-more-btn:hover { background: var(--accent-hover); color: white; }

/* ── News grid ───────────────────────────────────────────── */
.news-section { padding: 24px 0; }
.section-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 20px; border-bottom: 2px solid var(--accent); padding-bottom: 10px; }
.section-header h2 { font-family: var(--font-serif); font-size: 1.4rem; }
.view-all-link { font-size: 0.85rem; color: var(--accent); font-weight: 600; }

.news-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }

.news-card { background: var(--white); border-radius: var(--radius); overflow: hidden; box-shadow: var(--card-shadow); transition: transform 0.2s, box-shadow 0.2s; }
.news-card:hover { transform: translateY(-2px); box-shadow: 0 6px 20px rgba(0,0,0,0.12); }
.card-image { height: 180px; overflow: hidden; }
.card-image img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.3s; }
.news-card:hover .card-image img { transform: scale(1.03); }
.card-image-placeholder { display: flex; align-items: center; justify-content: center; height: 100%; background: linear-gradient(135deg, #2c3e50, #3498db); }
.card-image-placeholder .cat-label { color: white; font-weight: 700; font-size: 0.85rem; text-transform: uppercase; letter-spacing: 1px; }

.card-body { padding: 16px; }
.card-category { font-size: 0.72rem; font-weight: 700; text-transform: uppercase; letter-spacing: 1px; color: var(--accent); }
.card-category a { color: var(--accent); }
.card-title { font-family: var(--font-serif); font-size: 1rem; font-weight: 700; line-height: 1.35; margin: 8px 0; }
.card-title a { color: var(--text); }
.card-title a:hover { color: var(--accent); }
.card-summary { font-size: 0.85rem; color: var(--text-muted); line-height: 1.5; margin-bottom: 12px; }
.card-meta { display: flex; gap: 12px; font-size: 0.78rem; color: var(--text-muted); }

/* ── Categories section ──────────────────────────────────── */
.categories-section { padding: 32px 0; }
.categories-section h2 { font-family: var(--font-serif); font-size: 1.4rem; margin-bottom: 20px; border-bottom: 2px solid var(--accent); padding-bottom: 10px; }
.categories-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.category-card { display: flex; flex-direction: column; align-items: center; justify-content: center; padding: 24px 16px; background: var(--white); border-radius: var(--radius); box-shadow: var(--card-shadow); text-align: center; transition: transform 0.2s, box-shadow 0.2s; border-top: 3px solid var(--accent); }
.category-card:hover { transform: translateY(-3px); box-shadow: 0 8px 24px rgba(0,0,0,0.12); }
.cat-icon { font-size: 2rem; margin-bottom: 8px; }
.cat-name { font-weight: 700; font-size: 0.88rem; color: var(--text); }

/* ── About strip ─────────────────────────────────────────── */
.about-strip { background: var(--primary); color: white; border-radius: var(--radius); margin: 24px 0; }
.about-strip-inner { display: grid; grid-template-columns: 1fr 1fr; gap: 0; }
.about-strip-text { padding: 32px; border-right: 1px solid rgba(255,255,255,0.1); }
.about-strip-text h2 { font-family: var(--font-serif); font-size: 1.3rem; margin-bottom: 12px; color: white; }
.about-strip-text p { color: rgba(255,255,255,0.8); font-size: 0.9rem; line-height: 1.6; margin-bottom: 12px; }
.about-link { color: #ffd700; font-size: 0.88rem; font-weight: 600; }
.about-strip-cta { padding: 32px; }
.about-strip-cta h3 { font-size: 1.1rem; margin-bottom: 10px; color: white; }
.about-strip-cta p { color: rgba(255,255,255,0.8); font-size: 0.88rem; margin-bottom: 16px; }
.cta-btn { display: inline-block; background: var(--accent); color: white; padding: 10px 24px; font-weight: 600; font-size: 0.9rem; border-radius: var(--radius); transition: background 0.2s; }
.cta-btn:hover { background: var(--accent-hover); color: white; }

/* ── Article page ────────────────────────────────────────── */
.article-layout { display: grid; grid-template-columns: 1fr 320px; gap: 40px; padding: 32px 0; }
.article-main { min-width: 0; }

.breadcrumb { font-size: 0.8rem; color: var(--text-muted); margin-bottom: 16px; }
.breadcrumb ol { display: flex; gap: 8px; list-style: none; flex-wrap: wrap; }
.breadcrumb li::after { content: " ›"; color: var(--text-muted); }
.breadcrumb li:last-child::after { content: ""; }
.breadcrumb a { color: var(--text-muted); }

.article-category-header { display: flex; gap: 10px; align-items: center; margin-bottom: 12px; }
.category-badge { background: var(--accent); color: white; padding: 4px 12px; font-size: 0.75rem; font-weight: 700; text-transform: uppercase; letter-spacing: 1px; border-radius: 2px; }
.course-tag { background: var(--primary); color: white; padding: 4px 12px; font-size: 0.75rem; font-weight: 600; border-radius: 2px; }

.article-headline { font-family: var(--font-serif); font-size: 2.2rem; font-weight: 700; line-height: 1.2; margin-bottom: 16px; color: var(--text); }
.article-summary { font-size: 1.15rem; color: var(--text-muted); line-height: 1.6; margin-bottom: 20px; border-left: 4px solid var(--accent); padding-left: 16px; font-style: italic; }

.article-byline { display: flex; flex-wrap: wrap; gap: 16px; align-items: center; padding: 12px 0; border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); margin-bottom: 24px; font-size: 0.85rem; color: var(--text-muted); }
.byline-author { font-weight: 600; color: var(--text); }
.byline-label { margin-right: 4px; }

.article-hero-image { margin-bottom: 28px; border-radius: var(--radius); overflow: hidden; }
.article-hero-image img { width: 100%; max-height: 480px; object-fit: cover; }

.article-body { font-family: var(--font-serif); font-size: 1.05rem; line-height: 1.8; color: var(--text); }
.article-body h2 { font-size: 1.5rem; font-weight: 700; margin: 28px 0 12px; color: var(--primary); border-bottom: 2px solid var(--border); padding-bottom: 8px; }
.article-body h3 { font-size: 1.2rem; font-weight: 700; margin: 22px 0 10px; color: var(--primary); }
.article-body p { margin-bottom: 18px; }
.article-body ul, .article-body ol { margin: 0 0 18px 24px; }
.article-body li { margin-bottom: 6px; }
.article-body blockquote { border-left: 4px solid var(--accent); padding: 12px 20px; margin: 20px 0; background: #f9f9f9; font-style: italic; color: var(--text-muted); }
.article-body a { color: var(--accent); text-decoration: underline; }

.article-course-cta { margin: 32px 0; }
.course-cta-box { background: linear-gradient(135deg, var(--primary) 0%, #2d4a7a 100%); color: white; padding: 28px; border-radius: var(--radius); }
.course-cta-box h3 { font-size: 1.2rem; margin-bottom: 10px; color: white; }
.course-cta-box p { color: rgba(255,255,255,0.85); font-size: 0.9rem; margin-bottom: 16px; font-family: var(--font-sans); }

.article-share { display: flex; align-items: center; gap: 12px; padding: 20px 0; border-top: 1px solid var(--border); flex-wrap: wrap; }
.share-label { font-weight: 600; font-size: 0.85rem; }
.share-btn { display: flex; align-items: center; gap: 6px; padding: 8px 16px; border-radius: var(--radius); font-size: 0.82rem; font-weight: 600; transition: opacity 0.2s; }
.share-btn:hover { opacity: 0.85; }
.share-twitter { background: #000; color: white; }
.share-linkedin { background: #0077b5; color: white; }
.share-facebook { background: #1877f2; color: white; }

.article-tags { display: flex; flex-wrap: wrap; gap: 8px; padding: 16px 0; border-top: 1px solid var(--border); align-items: center; }
.tags-label { font-size: 0.82rem; font-weight: 600; color: var(--text-muted); }
.tag { background: #f0f0f0; color: var(--text-muted); padding: 4px 12px; border-radius: 20px; font-size: 0.78rem; }

/* ── Sidebar ─────────────────────────────────────────────── */
.article-sidebar { }
.sidebar-widget { background: var(--white); border-radius: var(--radius); padding: 20px; margin-bottom: 24px; box-shadow: var(--card-shadow); border-top: 3px solid var(--accent); }
.widget-title { font-family: var(--font-serif); font-size: 1rem; font-weight: 700; margin-bottom: 16px; color: var(--primary); }

.related-list { list-style: none; }
.related-item { border-bottom: 1px solid var(--border); padding: 10px 0; }
.related-item:last-child { border-bottom: none; }
.related-link { display: flex; flex-direction: column; gap: 4px; }
.related-title { font-size: 0.88rem; font-weight: 600; color: var(--text); line-height: 1.35; }
.related-title:hover { color: var(--accent); }
.related-date { font-size: 0.75rem; color: var(--text-muted); }

.sidebar-cta-widget { background: var(--primary); color: white; }
.sidebar-cta-widget .widget-title { color: white; }
.sidebar-cta-widget p { color: rgba(255,255,255,0.8); font-size: 0.85rem; margin-bottom: 12px; }
.course-quick-links { list-style: none; margin-bottom: 16px; }
.course-quick-links li { padding: 4px 0; border-bottom: 1px solid rgba(255,255,255,0.1); }
.course-quick-links a { color: rgba(255,255,255,0.85); font-size: 0.85rem; }
.course-quick-links a:hover { color: #ffd700; }
.sidebar-cta-btn { display: block; background: var(--accent); color: white; padding: 10px 16px; text-align: center; font-weight: 600; font-size: 0.85rem; border-radius: var(--radius); }
.sidebar-cta-btn:hover { background: var(--accent-hover); color: white; }

.category-list { list-style: none; }
.category-list li { padding: 6px 0; border-bottom: 1px solid var(--border); }
.category-list li:last-child { border-bottom: none; }
.category-list a { font-size: 0.88rem; color: var(--text); }
.category-list a:hover { color: var(--accent); }

/* ── Static pages ────────────────────────────────────────── */
.static-layout { padding: 40px 0; }
.static-content { background: var(--white); padding: 40px; border-radius: var(--radius); box-shadow: var(--card-shadow); max-width: 800px; }
.static-content h1 { font-family: var(--font-serif); font-size: 2rem; margin-bottom: 20px; }
.static-content h2 { font-family: var(--font-serif); font-size: 1.4rem; margin: 28px 0 12px; color: var(--primary); }
.static-content p { margin-bottom: 16px; line-height: 1.7; }
.static-content ul, .static-content ol { margin: 0 0 16px 24px; }
.static-content li { margin-bottom: 6px; line-height: 1.6; }
.lead { font-size: 1.1rem; color: var(--text-muted); font-style: italic; }
.policy-updated { font-size: 0.82rem; color: var(--text-muted); margin-bottom: 20px; }

/* ── Page header ─────────────────────────────────────────── */
.page-header { padding: 28px 0 20px; border-bottom: 2px solid var(--accent); margin-bottom: 24px; }
.page-header h1 { font-family: var(--font-serif); font-size: 1.8rem; }
.page-description { color: var(--text-muted); margin-top: 8px; }
.results-count { font-size: 0.85rem; color: var(--text-muted); margin-top: 6px; }

/* ── Pagination ──────────────────────────────────────────── */
.pagination { display: flex; justify-content: center; align-items: center; gap: 16px; padding: 32px 0; }
.page-btn { background: var(--accent); color: white; padding: 10px 24px; border-radius: var(--radius); font-weight: 600; font-size: 0.9rem; }
.page-btn:hover { background: var(--accent-hover); color: white; }
.page-info { color: var(--text-muted); font-size: 0.9rem; }

/* ── Search ──────────────────────────────────────────────── */
.search-form-large { display: flex; gap: 12px; margin-bottom: 28px; }
.search-form-large input { flex: 1; padding: 12px 16px; border: 2px solid var(--border); border-radius: var(--radius); font-size: 1rem; }
.search-form-large button { background: var(--accent); color: white; border: none; padding: 12px 28px; border-radius: var(--radius); font-weight: 600; cursor: pointer; }
.no-results { padding: 32px; text-align: center; color: var(--text-muted); }

/* ── Contact form ────────────────────────────────────────── */
.contact-form { margin-top: 24px; }
.form-group { margin-bottom: 20px; }
.form-group label { display: block; font-weight: 600; font-size: 0.9rem; margin-bottom: 6px; }
.form-group input, .form-group select, .form-group textarea { width: 100%; padding: 10px 14px; border: 2px solid var(--border); border-radius: var(--radius); font-size: 0.95rem; font-family: var(--font-sans); }
.form-group input:focus, .form-group select:focus, .form-group textarea:focus { outline: none; border-color: var(--accent); }
.submit-btn { background: var(--accent); color: white; border: none; padding: 12px 32px; font-size: 1rem; font-weight: 600; border-radius: var(--radius); cursor: pointer; }
.submit-btn:hover { background: var(--accent-hover); }
.success-message { background: #d4edda; border: 1px solid #c3e6cb; padding: 16px; border-radius: var(--radius); color: #155724; margin-bottom: 20px; }

/* ── Footer ──────────────────────────────────────────────── */
.site-footer { background: var(--primary); color: rgba(255,255,255,0.8); margin-top: 48px; }
.footer-main { padding: 48px 0 32px; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 40px; }
.footer-logo { margin-bottom: 12px; }
.footer-logo .logo-main { color: white; font-size: 1.3rem; }
.footer-logo .logo-sub { color: var(--accent); }
.footer-about p { font-size: 0.85rem; line-height: 1.6; margin-bottom: 10px; }
.footer-publisher { font-size: 0.82rem; }
.footer-publisher a { color: #ffd700; }
.footer-address { font-size: 0.78rem; color: rgba(255,255,255,0.5); }
.footer-categories h3, .footer-courses h3, .footer-info h3 { color: white; font-size: 0.95rem; font-weight: 700; margin-bottom: 14px; text-transform: uppercase; letter-spacing: 1px; font-size: 0.8rem; }
.footer-categories ul, .footer-courses ul, .footer-info ul { list-style: none; }
.footer-categories li, .footer-courses li, .footer-info li { margin-bottom: 8px; }
.footer-categories a, .footer-courses a, .footer-info a { color: rgba(255,255,255,0.7); font-size: 0.85rem; }
.footer-categories a:hover, .footer-courses a:hover, .footer-info a:hover { color: white; }
.footer-social { margin-top: 16px; }
.footer-social h4 { color: white; font-size: 0.8rem; text-transform: uppercase; letter-spacing: 1px; margin-bottom: 10px; }
.footer-social a { display: inline-block; color: rgba(255,255,255,0.7); margin-right: 12px; }
.footer-social a:hover { color: white; }
.footer-bottom { background: rgba(0,0,0,0.3); padding: 16px 0; text-align: center; font-size: 0.8rem; color: rgba(255,255,255,0.5); }
.footer-bottom a { color: rgba(255,255,255,0.7); }
.footer-disclaimer { margin-top: 6px; font-size: 0.75rem; }

/* ── Error pages ─────────────────────────────────────────── */
.error-content { text-align: center; padding: 80px 20px; }
.error-content h1 { font-family: var(--font-serif); font-size: 2rem; margin-bottom: 16px; }
.error-content p { color: var(--text-muted); margin-bottom: 24px; }

/* ── Responsive ──────────────────────────────────────────── */
@media (max-width: 1024px) {
  .news-grid { grid-template-columns: repeat(2, 1fr); }
  .categories-grid { grid-template-columns: repeat(4, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 28px; }
  .article-layout { grid-template-columns: 1fr; }
  .article-sidebar { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
}

@media (max-width: 768px) {
  .featured-article { grid-template-columns: 1fr; }
  .featured-image { min-height: 220px; }
  .news-grid { grid-template-columns: 1fr; }
  .categories-grid { grid-template-columns: repeat(2, 1fr); }
  .about-strip-inner { grid-template-columns: 1fr; }
  .about-strip-text { border-right: none; border-bottom: 1px solid rgba(255,255,255,0.1); }
  .header-main .container { flex-direction: column; gap: 12px; }
  .search-form input { width: 180px; }
  .nav-toggle { display: block; }
  .nav-list { display: none; flex-direction: column; }
  .nav-list.open { display: flex; }
  .footer-grid { grid-template-columns: 1fr; }
  .article-headline { font-size: 1.6rem; }
  .article-sidebar { grid-template-columns: 1fr; }
  .static-content { padding: 24px; }
}