/*
Theme Name: CCNA EduHub
Theme URI: https://ccnatraining.com
Author: CCNA EduHub
Description: Custom WordPress theme for CCNA EduHub - Premier CCNA Training Hub
Version: 1.0
License: GNU General Public License v2 or later
Text Domain: ccnaeduhub
*/

/* ============================================
   CSS VARIABLES
   ============================================ */
:root {
  --primary: #1a6fc4;
  --primary-dark: #1457a0;
  --accent: #e8303a;
  --dark: #111827;
  --dark-mid: #1f2937;
  --gray: #6b7280;
  --gray-light: #e5e7eb;
  --gray-bg: #f3f4f6;
  --white: #ffffff;
  --text: #1f2937;
  --text-muted: #6b7280;
  --border: #e5e7eb;
  --font-heading: 'Playfair Display', Georgia, serif;
  --font-body: 'Source Sans 3', 'Helvetica Neue', sans-serif;
  --font-ui: 'DM Sans', system-ui, sans-serif;
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.08);
  --shadow-md: 0 4px 16px rgba(0,0,0,0.10);
  --shadow-lg: 0 8px 32px rgba(0,0,0,0.12);
  --radius: 6px;
  --container: 1200px;
}

/* ============================================
   RESET & BASE
   ============================================ */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  font-size: 16px;
  color: var(--text);
  background: var(--white);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
a:hover { color: var(--primary); }
ul { list-style: none; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }

/* ============================================
   TYPOGRAPHY
   ============================================ */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  line-height: 1.25;
  color: var(--dark);
  font-weight: 700;
}

h1 { font-size: clamp(1.75rem, 4vw, 2.5rem); }
h2 { font-size: clamp(1.4rem, 3vw, 2rem); }
h3 { font-size: clamp(1.1rem, 2vw, 1.4rem); }
h4 { font-size: 1.1rem; }

p { margin-bottom: 1em; }

.entry-content h2,
.entry-content h3,
.entry-content h4 { margin: 1.5em 0 0.5em; }
.entry-content p { margin-bottom: 1.25em; }
.entry-content ul, .entry-content ol { padding-left: 1.5em; margin-bottom: 1.25em; }
.entry-content li { margin-bottom: 0.4em; }
.entry-content blockquote {
  border-left: 4px solid var(--primary);
  padding: 1em 1.5em;
  margin: 1.5em 0;
  background: var(--gray-bg);
  font-style: italic;
  font-size: 1.1em;
}
.entry-content img { border-radius: var(--radius); margin: 1.5em 0; }

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

.site-wrapper { overflow-x: hidden; }

/* ============================================
   TOP BAR
   ============================================ */
.top-bar {
  background: var(--dark);
  color: rgba(255,255,255,0.75);
  font-family: var(--font-ui);
  font-size: 0.78rem;
  padding: 7px 0;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}

.top-bar .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.top-bar-date { letter-spacing: 0.03em; }

.top-bar-social {
  display: flex;
  gap: 14px;
  align-items: center;
}

.top-bar-social a {
  color: rgba(255,255,255,0.6);
  font-size: 0.85rem;
  transition: color 0.2s;
}

.top-bar-social a:hover { color: var(--primary); }

/* ============================================
   SITE HEADER
   ============================================ */
.site-header {
  background: var(--white);
  border-bottom: 3px solid var(--primary);
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: var(--shadow-sm);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 20px;
  max-width: var(--container);
  margin: 0 auto;
  gap: 20px;
}

.site-logo img {
  height: 48px;
  width: auto;
}

.site-logo-text {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--primary);
  letter-spacing: -0.02em;
}

.site-logo-text span { color: var(--accent); }

/* Main Navigation */
.main-nav ul {
  display: flex;
  gap: 4px;
  align-items: center;
}

.main-nav a {
  font-family: var(--font-ui);
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--dark);
  padding: 7px 14px;
  border-radius: var(--radius);
  transition: all 0.2s;
  letter-spacing: 0.02em;
  text-transform: uppercase;
}

.main-nav a:hover,
.main-nav .current-menu-item a {
  background: var(--primary);
  color: var(--white);
}

/* Mobile Menu Toggle */
.menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 6px;
}

.menu-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--dark);
  transition: all 0.3s;
}

/* ============================================
   BREAKING NEWS TICKER
   ============================================ */
.breaking-bar {
  background: var(--dark-mid);
  color: var(--white);
  font-family: var(--font-ui);
  font-size: 0.82rem;
  padding: 0;
  overflow: hidden;
  display: flex;
  align-items: stretch;
}

.breaking-label {
  background: var(--accent);
  color: var(--white);
  font-weight: 700;
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 8px 16px;
  white-space: nowrap;
  display: flex;
  align-items: center;
  flex-shrink: 0;
}

.breaking-track-wrapper {
  flex: 1;
  overflow: hidden;
  display: flex;
  align-items: center;
}

.breaking-track {
  display: flex;
  gap: 0;
  white-space: nowrap;
  animation: ticker 40s linear infinite;
  will-change: transform;
}

.breaking-track:hover { animation-play-state: paused; }

.breaking-track a {
  color: rgba(255,255,255,0.88);
  padding: 8px 32px 8px 0;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: color 0.2s;
  white-space: nowrap;
}

.breaking-track a::before {
  content: '//';
  color: var(--accent);
  font-weight: 700;
}

.breaking-track a:hover { color: var(--primary); }

@keyframes ticker {
  0%   { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

/* ============================================
   HOMEPAGE HERO
   ============================================ */
.hero-section {
  padding: 32px 0 24px;
  background: var(--white);
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr 340px;
  gap: 24px;
}

/* Featured Post */
.hero-featured {
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--dark);
}

.hero-featured-image {
  width: 100%;
  aspect-ratio: 16/9;
  object-fit: cover;
  opacity: 0.75;
  transition: opacity 0.4s;
}

.hero-featured:hover .hero-featured-image { opacity: 0.65; }

.hero-featured-content {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 24px;
  background: linear-gradient(transparent, rgba(0,0,0,0.88));
}

.post-category-tag {
  display: inline-block;
  background: var(--primary);
  color: var(--white);
  font-family: var(--font-ui);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 3px 10px;
  border-radius: 3px;
  margin-bottom: 8px;
}

.hero-featured-content h2 {
  color: var(--white);
  font-size: clamp(1.2rem, 2.5vw, 1.7rem);
  margin-bottom: 10px;
  line-height: 1.2;
}

.hero-featured-content h2 a { color: inherit; }
.hero-featured-content h2 a:hover { color: var(--gray-light); }

.post-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  font-family: var(--font-ui);
  font-size: 0.78rem;
  color: rgba(255,255,255,0.7);
}

.post-meta .author-avatar {
  width: 26px;
  height: 26px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid rgba(255,255,255,0.4);
}

.post-meta-dark {
  color: var(--text-muted);
}

.post-meta-dark .author-avatar { border-color: var(--border); }

/* Side Posts Stack */
.hero-side {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.hero-side-post {
  display: flex;
  gap: 12px;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: box-shadow 0.2s;
}

.hero-side-post:hover { box-shadow: var(--shadow-md); }

.hero-side-post-image {
  width: 110px;
  flex-shrink: 0;
  aspect-ratio: 4/3;
  object-fit: cover;
}

.hero-side-post-content {
  padding: 10px 10px 10px 0;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 4px;
}

.hero-side-post-content h3 {
  font-size: 0.9rem;
  line-height: 1.3;
}

.hero-side-post-content h3 a:hover { color: var(--primary); }

/* ============================================
   SECTION HEADERS
   ============================================ */
.section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
  padding-bottom: 12px;
  border-bottom: 3px solid var(--dark);
  position: relative;
}

.section-header::after {
  content: '';
  position: absolute;
  bottom: -3px;
  left: 0;
  width: 60px;
  height: 3px;
  background: var(--primary);
}

.section-title {
  font-family: var(--font-ui);
  font-size: 0.85rem;
  font-weight: 800;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--dark);
}

.view-all-link {
  font-family: var(--font-ui);
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--primary);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  padding: 4px 12px;
  border: 2px solid var(--primary);
  border-radius: 3px;
  transition: all 0.2s;
}

.view-all-link:hover {
  background: var(--primary);
  color: var(--white);
}

/* ============================================
   TRENDING NOW
   ============================================ */
.trending-section { padding: 32px 0; background: var(--gray-bg); }

.trending-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 16px;
}

.trending-card {
  background: var(--white);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: box-shadow 0.25s, transform 0.25s;
}

.trending-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-3px);
}

.trending-card-image {
  width: 100%;
  aspect-ratio: 16/9;
  object-fit: cover;
}

.trending-card-body { padding: 12px; }

.trending-card-body h3 {
  font-size: 0.88rem;
  line-height: 1.35;
  margin-bottom: 8px;
}

.trending-card-body h3 a:hover { color: var(--primary); }

/* ============================================
   EDITORS PICK
   ============================================ */
.editors-pick-section { padding: 36px 0; }

.editors-pick-grid {
  display: grid;
  grid-template-columns: 260px 1fr;
  gap: 32px;
  align-items: start;
}

.editors-pick-intro {
  padding-right: 16px;
  border-right: 1px solid var(--border);
}

.editors-pick-intro p {
  font-size: 0.92rem;
  color: var(--text-muted);
  line-height: 1.6;
}

.editors-pick-posts {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}

/* ============================================
   POST CARDS (generic)
   ============================================ */
.post-card {
  background: var(--white);
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--border);
  transition: box-shadow 0.2s, transform 0.2s;
}

.post-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.post-card-image {
  width: 100%;
  aspect-ratio: 16/9;
  object-fit: cover;
}

.post-card-body {
  padding: 14px;
}

.post-card-body h3 {
  font-size: 0.95rem;
  line-height: 1.35;
  margin: 8px 0 8px;
}

.post-card-body h3 a:hover { color: var(--primary); }

/* ============================================
   CATEGORY SECTIONS
   ============================================ */
.category-section { padding: 32px 0; }
.category-section:nth-child(even) { background: var(--gray-bg); }

.category-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

/* ============================================
   TWO COLUMN LAYOUT (Main + Sidebar)
   ============================================ */
.content-sidebar-wrap {
  display: grid;
  grid-template-columns: 1fr 320px;
  gap: 40px;
  padding: 40px 0;
  align-items: start;
}

/* ============================================
   POPULAR NEWS (Text List)
   ============================================ */
.popular-news-section { padding: 32px 0; background: var(--gray-bg); }

.popular-news-list { display: flex; flex-direction: column; gap: 0; }

.popular-news-item {
  display: flex;
  gap: 16px;
  padding: 16px 0;
  border-bottom: 1px solid var(--border);
  align-items: flex-start;
}

.popular-news-item:last-child { border-bottom: none; }

.popular-news-num {
  font-family: var(--font-heading);
  font-size: 2rem;
  font-weight: 900;
  color: var(--gray-light);
  line-height: 1;
  flex-shrink: 0;
  width: 36px;
  text-align: center;
}

.popular-news-content h3 {
  font-size: 1rem;
  line-height: 1.35;
  margin-bottom: 6px;
}

.popular-news-content h3 a:hover { color: var(--primary); }

/* ============================================
   LATEST NEWS (Full Width List)
   ============================================ */
.latest-news-section { padding: 40px 0; }

.latest-news-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.latest-news-card { display: flex; flex-direction: column; gap: 12px; }

.latest-news-card-image {
  width: 100%;
  aspect-ratio: 16/9;
  object-fit: cover;
  border-radius: var(--radius);
}

.latest-news-card-meta { display: flex; align-items: center; gap: 10px; }

.latest-news-card h3 {
  font-size: 1.05rem;
  line-height: 1.35;
}

.latest-news-card h3 a:hover { color: var(--primary); }

.latest-news-card p {
  font-size: 0.88rem;
  color: var(--text-muted);
  line-height: 1.55;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* ============================================
   AD PLACEHOLDER
   ============================================ */
.ad-placeholder {
  background: var(--gray-bg);
  border: 2px dashed var(--gray-light);
  border-radius: var(--radius);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  gap: 6px;
  color: var(--text-muted);
  font-family: var(--font-ui);
  font-size: 0.8rem;
}

.ad-placeholder strong {
  font-size: 0.9rem;
  color: var(--dark);
  display: block;
}

.ad-placeholder a {
  color: var(--primary);
  font-weight: 600;
  text-decoration: underline;
}

/* ============================================
   NEWSLETTER
   ============================================ */
.newsletter-section {
  background: var(--dark);
  padding: 48px 0;
}

.newsletter-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
}

.newsletter-text h2 {
  color: var(--white);
  font-size: 1.6rem;
  margin-bottom: 10px;
}

.newsletter-text p {
  color: rgba(255,255,255,0.6);
  font-size: 0.95rem;
  margin: 0;
}

.newsletter-form {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.newsletter-row {
  display: flex;
  gap: 10px;
}

.newsletter-form input[type="text"],
.newsletter-form input[type="email"] {
  flex: 1;
  padding: 12px 16px;
  background: rgba(255,255,255,0.1);
  border: 1px solid rgba(255,255,255,0.2);
  border-radius: var(--radius);
  color: var(--white);
  font-family: var(--font-body);
  font-size: 0.9rem;
  outline: none;
  transition: border-color 0.2s;
}

.newsletter-form input::placeholder { color: rgba(255,255,255,0.4); }
.newsletter-form input:focus { border-color: var(--primary); }

.btn-subscribe {
  padding: 12px 24px;
  background: var(--primary);
  color: var(--white);
  font-family: var(--font-ui);
  font-weight: 700;
  font-size: 0.88rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  border-radius: var(--radius);
  transition: background 0.2s;
  white-space: nowrap;
}

.btn-subscribe:hover { background: var(--primary-dark); }

.newsletter-privacy {
  font-size: 0.75rem;
  color: rgba(255,255,255,0.4);
  margin: 0;
}

/* ============================================
   FOOTER
   ============================================ */
.site-footer {
  background: var(--dark-mid);
  color: rgba(255,255,255,0.75);
  padding: 56px 0 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1.5fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 40px;
}

.footer-brand p {
  font-size: 0.88rem;
  line-height: 1.65;
  color: rgba(255,255,255,0.55);
  margin: 12px 0 20px;
}

.footer-logo { margin-bottom: 16px; }
.footer-logo img { height: 40px; width: auto; filter: brightness(0) invert(1); }

.footer-logo-text {
  font-family: var(--font-heading);
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--white);
}

.footer-social {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.footer-social a {
  width: 34px;
  height: 34px;
  background: rgba(255,255,255,0.08);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.8rem;
  color: rgba(255,255,255,0.7);
  transition: all 0.2s;
}

.footer-social a:hover {
  background: var(--primary);
  color: var(--white);
}

.footer-col h4 {
  color: var(--white);
  font-family: var(--font-ui);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 16px;
  padding-bottom: 10px;
  border-bottom: 1px solid rgba(255,255,255,0.1);
}

.footer-col ul { display: flex; flex-direction: column; gap: 8px; }

.footer-col ul li a {
  font-size: 0.85rem;
  color: rgba(255,255,255,0.6);
  transition: color 0.2s;
  display: flex;
  align-items: flex-start;
  gap: 6px;
  line-height: 1.4;
}

.footer-col ul li a:hover { color: var(--white); }

.footer-trending-item {
  display: flex;
  gap: 10px;
  margin-bottom: 12px;
  align-items: flex-start;
}

.footer-trending-item img {
  width: 56px;
  height: 42px;
  object-fit: cover;
  border-radius: 3px;
  flex-shrink: 0;
}

.footer-trending-item a {
  font-size: 0.82rem;
  color: rgba(255,255,255,0.65);
  line-height: 1.35;
  font-family: var(--font-heading);
  display: block;
}

.footer-trending-item a:hover { color: var(--white); }

.footer-contact-item {
  display: flex;
  gap: 8px;
  font-size: 0.84rem;
  color: rgba(255,255,255,0.6);
  margin-bottom: 10px;
  align-items: flex-start;
}

.footer-contact-icon {
  color: var(--primary);
  flex-shrink: 0;
  margin-top: 2px;
}

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.08);
  padding: 20px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-family: var(--font-ui);
  font-size: 0.78rem;
  color: rgba(255,255,255,0.4);
  gap: 16px;
  flex-wrap: wrap;
}

.footer-bottom a { color: rgba(255,255,255,0.5); transition: color 0.2s; }
.footer-bottom a:hover { color: var(--white); }

.footer-bottom-links { display: flex; gap: 20px; }

/* ============================================
   SIDEBAR
   ============================================ */
.sidebar { display: flex; flex-direction: column; gap: 28px; }

.widget {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
}

.widget-title {
  font-family: var(--font-ui);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 16px;
  padding-bottom: 10px;
  border-bottom: 2px solid var(--dark);
  position: relative;
}

.widget-title::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 40px;
  height: 2px;
  background: var(--primary);
}

.widget-post-list { display: flex; flex-direction: column; gap: 0; }

.widget-post-item {
  display: flex;
  gap: 10px;
  padding: 10px 0;
  border-bottom: 1px solid var(--gray-bg);
  align-items: flex-start;
}

.widget-post-item:last-child { border-bottom: none; }

.widget-post-item img {
  width: 64px;
  height: 48px;
  object-fit: cover;
  border-radius: 3px;
  flex-shrink: 0;
}

.widget-post-item h4 {
  font-size: 0.82rem;
  line-height: 1.3;
  font-family: var(--font-heading);
}

.widget-post-item h4 a:hover { color: var(--primary); }

.widget-cats a {
  display: flex;
  justify-content: space-between;
  padding: 8px 0;
  border-bottom: 1px solid var(--gray-bg);
  font-size: 0.88rem;
  color: var(--text-muted);
  transition: color 0.2s;
}

.widget-cats a:last-child { border-bottom: none; }
.widget-cats a:hover { color: var(--primary); }
.widget-cats .count {
  background: var(--gray-bg);
  border-radius: 3px;
  padding: 1px 7px;
  font-size: 0.75rem;
  font-family: var(--font-ui);
}

/* ============================================
   SINGLE POST
   ============================================ */
.single-post-header {
  padding: 40px 0 0;
}

.post-breadcrumb {
  font-family: var(--font-ui);
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-bottom: 16px;
}

.post-breadcrumb a:hover { color: var(--primary); }
.post-breadcrumb span { margin: 0 6px; }

.single-post-title {
  font-size: clamp(1.6rem, 4vw, 2.4rem);
  line-height: 1.2;
  margin-bottom: 16px;
}

.single-post-meta {
  display: flex;
  align-items: center;
  gap: 20px;
  padding: 16px 0;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  margin-bottom: 28px;
  flex-wrap: wrap;
}

.single-post-author {
  display: flex;
  align-items: center;
  gap: 10px;
}

.single-post-author img {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  object-fit: cover;
}

.single-post-author-name {
  font-weight: 700;
  font-size: 0.9rem;
  display: block;
}

.single-post-author-label {
  font-size: 0.76rem;
  color: var(--text-muted);
}

.single-post-hero {
  width: 100%;
  border-radius: var(--radius);
  margin-bottom: 32px;
  max-height: 480px;
  object-fit: cover;
}

/* ============================================
   PAGINATION
   ============================================ */
.pagination {
  display: flex;
  gap: 8px;
  align-items: center;
  justify-content: center;
  padding: 32px 0;
}

.pagination a,
.pagination span {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-family: var(--font-ui);
  font-size: 0.88rem;
  font-weight: 600;
  transition: all 0.2s;
}

.pagination a:hover,
.pagination .current {
  background: var(--primary);
  color: var(--white);
  border-color: var(--primary);
}

/* ============================================
   404
   ============================================ */
.error-404-wrap {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 100px 20px;
  min-height: 60vh;
}

.error-404-wrap h1 {
  font-size: 8rem;
  color: var(--gray-light);
  line-height: 1;
}

.error-404-wrap h2 { margin-bottom: 12px; }

.error-404-wrap p { color: var(--text-muted); margin-bottom: 24px; }

.btn-primary {
  display: inline-block;
  background: var(--primary);
  color: var(--white);
  padding: 12px 28px;
  border-radius: var(--radius);
  font-family: var(--font-ui);
  font-weight: 700;
  font-size: 0.9rem;
  transition: background 0.2s;
}

.btn-primary:hover { background: var(--primary-dark); color: var(--white); }

/* ============================================
   UTILITIES
   ============================================ */
.text-muted { color: var(--text-muted); font-size: 0.8rem; font-family: var(--font-ui); }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0,0,0,0); }
.mt-1 { margin-top: 8px; }
.mt-2 { margin-top: 16px; }
.mt-3 { margin-top: 24px; }

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 1024px) {
  .trending-grid { grid-template-columns: repeat(3, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .editors-pick-grid { grid-template-columns: 1fr; }
  .editors-pick-intro { border-right: none; border-bottom: 1px solid var(--border); padding-right: 0; padding-bottom: 16px; }
}

@media (max-width: 768px) {
  .hero-grid { grid-template-columns: 1fr; }
  .hero-side { display: none; }
  .category-grid { grid-template-columns: repeat(2, 1fr); }
  .latest-news-grid { grid-template-columns: 1fr; }
  .content-sidebar-wrap { grid-template-columns: 1fr; }
  .newsletter-inner { grid-template-columns: 1fr; gap: 24px; }
  .newsletter-row { flex-direction: column; }
  .trending-grid { grid-template-columns: repeat(2, 1fr); }
  .editors-pick-posts { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .main-nav { display: none; }
  .main-nav.open { display: block; position: absolute; top: 100%; left: 0; right: 0; background: var(--white); border-bottom: 3px solid var(--primary); padding: 12px 20px; box-shadow: var(--shadow-md); }
  .main-nav.open ul { flex-direction: column; gap: 4px; }
  .menu-toggle { display: flex; }
  .site-header { position: relative; }
}

@media (max-width: 480px) {
  .category-grid { grid-template-columns: 1fr; }
  .trending-grid { grid-template-columns: 1fr; }
  .top-bar .container { flex-direction: column; gap: 6px; text-align: center; }
}