/*
Theme Name:  Utsuk Hindi V2
Theme URI:   https://utsukhindi.com
Author:      Utsuk Hindi Team
Description: Dark navy UPSC-focused Hindi educational theme with search, stats bar,
             feature strips, category grids, and AdSense-ready ad slots.
Version:     2.0.0
License:     GNU General Public License v2 or later
Text Domain: utsukhindi-v2
*/

/* ============================================================
   VERSION: 2.0.0
   Last Modified: 2.0.0
   ============================================================ */

/* ============================================================
   01. CSS VARIABLES — Edit here to change everything globally
   ============================================================ */
:root {
  /* Brand Colors */
  --color-primary:        #D4A017;   /* Golden yellow — CTAs, accents */
  --color-primary-dark:   #B8860B;   /* Darker gold — hover */
  --color-navy:           #0D1B2A;   /* Deep navy — header, footer, hero */
  --color-navy-mid:       #1A2E44;   /* Mid navy — nav bar */
  --color-navy-light:     #243B55;   /* Light navy — hover states */
  --color-white:          #FFFFFF;
  --color-off-white:      #F8F9FA;
  --color-gray-light:     #F0F2F5;
  --color-gray-mid:       #DEE2E6;
  --color-gray-dark:      #6C757D;
  --color-text:           #1A1A2E;
  --color-text-muted:     #6C757D;
  --color-border:         #E9ECEF;
  --color-success:        #28A745;

  /* Category Colors */
  --color-geo:            #2196F3;
  --color-history:        #FF5722;
  --color-science:        #4CAF50;
  --color-business:       #9C27B0;
  --color-religion:       #FF9800;
  --color-books:          #E91E63;

  /* Typography */
  --font-heading: 'Noto Sans Devanagari', 'Hind', sans-serif;
  --font-body:    'Hind', 'Noto Sans Devanagari', sans-serif;
  --font-size-xs:   12px;
  --font-size-sm:   14px;
  --font-size-base: 16px;
  --font-size-lg:   18px;
  --font-size-xl:   22px;
  --font-size-2xl:  28px;
  --font-size-3xl:  36px;
  --font-size-4xl:  48px;
  --line-height:    1.7;

  /* Spacing */
  --space-xs:   4px;
  --space-sm:   8px;
  --space-md:   16px;
  --space-lg:   24px;
  --space-xl:   32px;
  --space-2xl:  48px;
  --space-3xl:  64px;

  /* Layout */
  --container-max:    1200px;
  --border-radius:    6px;
  --border-radius-lg: 12px;
  --border-radius-xl: 20px;
  --box-shadow:       0 2px 12px rgba(0,0,0,0.08);
  --box-shadow-hover: 0 8px 24px rgba(0,0,0,0.15);
  --box-shadow-card:  0 4px 16px rgba(0,0,0,0.10);

  /* Transitions */
  --transition-fast:   0.15s ease;
  --transition-normal: 0.3s ease;
}

/* ============================================================
   02. RESET & BASE
   ============================================================ */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html  { font-size: var(--font-size-base); scroll-behavior: smooth; }
body  {
  font-family: var(--font-body);
  color: var(--color-text);
  background: var(--color-off-white);
  line-height: var(--line-height);
  -webkit-font-smoothing: antialiased;
}
a     { color: inherit; text-decoration: none; transition: color var(--transition-fast); }
a:hover { color: var(--color-primary); }
img   { max-width: 100%; height: auto; display: block; }
ul, ol { list-style: none; }
h1,h2,h3,h4,h5,h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.3;
  color: var(--color-text);
}

/* ============================================================
   03. LAYOUT
   ============================================================ */
.uhv2-container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--space-lg);
}

#uhv2-page-wrapper {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

/* ============================================================
   04. TOP HEADER BAR — Logo | Search | Auth
   ============================================================ */
.uhv2-header-top {
  background: var(--color-navy);
  padding: var(--space-md) 0;
  border-bottom: 1px solid var(--color-navy-light);
}

.uhv2-header-top-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-lg);
}

/* Logo */
.uhv2-logo {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  text-decoration: none;
  flex-shrink: 0;
}

.uhv2-logo-img {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid var(--color-primary);
}

.uhv2-logo-text { display: flex; flex-direction: column; }

.uhv2-logo-name {
  font-size: var(--font-size-xl);
  font-family: var(--font-heading);
  font-weight: 800;
  color: var(--color-white);
  line-height: 1.1;
  letter-spacing: 0.5px;
}

.uhv2-logo-tagline {
  font-size: var(--font-size-xs);
  color: rgba(255,255,255,0.6);
  letter-spacing: 0.3px;
}

/* Search bar */
.uhv2-search-wrap {
  flex: 1;
  max-width: 480px;
  position: relative;
}

.uhv2-search-form {
  display: flex;
  align-items: center;
  background: var(--color-white);
  border-radius: var(--border-radius);
  overflow: hidden;
  border: 2px solid transparent;
  transition: border-color var(--transition-fast);
}

.uhv2-search-form:focus-within {
  border-color: var(--color-primary);
}

.uhv2-search-input {
  flex: 1;
  border: none;
  outline: none;
  padding: var(--space-sm) var(--space-md);
  font-family: var(--font-body);
  font-size: var(--font-size-sm);
  color: var(--color-text);
  background: transparent;
}

.uhv2-search-btn {
  background: var(--color-navy-mid);
  border: none;
  padding: var(--space-sm) var(--space-md);
  cursor: pointer;
  color: var(--color-white);
  font-size: var(--font-size-base);
  transition: background var(--transition-fast);
  height: 100%;
  display: flex;
  align-items: center;
}

.uhv2-search-btn:hover { background: var(--color-primary); }

/* Auth buttons */
.uhv2-auth-wrap {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  flex-shrink: 0;
}

.uhv2-auth-wrap.hidden { display: none; }

.uhv2-btn-login {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  color: rgba(255,255,255,0.85);
  font-size: var(--font-size-sm);
  font-family: var(--font-heading);
  padding: var(--space-xs) var(--space-md);
  border-radius: var(--border-radius);
  border: 1px solid rgba(255,255,255,0.2);
  transition: all var(--transition-fast);
}

.uhv2-btn-login:hover {
  color: white;
  border-color: rgba(255,255,255,0.5);
  background: rgba(255,255,255,0.1);
}

.uhv2-btn-register {
  background: var(--color-primary);
  color: var(--color-navy);
  font-size: var(--font-size-sm);
  font-family: var(--font-heading);
  font-weight: 700;
  padding: var(--space-sm) var(--space-lg);
  border-radius: var(--border-radius);
  border: none;
  cursor: pointer;
  transition: background var(--transition-fast);
  display: inline-block;
}

.uhv2-btn-register:hover {
  background: var(--color-primary-dark);
  color: var(--color-navy);
}

/* ============================================================
   05. NAVIGATION BAR
   ============================================================ */
.uhv2-navbar {
  background: var(--color-navy-mid);
  border-bottom: 2px solid var(--color-primary);
  position: sticky;
  top: 0;
  z-index: 1000;
}

.uhv2-navbar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.uhv2-nav-menu {
  display: flex;
  align-items: center;
}

.uhv2-nav-menu li { position: relative; }

.uhv2-nav-menu > li > a {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  padding: var(--space-md) var(--space-md);
  color: rgba(255,255,255,0.85);
  font-size: var(--font-size-sm);
  font-family: var(--font-heading);
  font-weight: 600;
  white-space: nowrap;
  transition: all var(--transition-fast);
  border-bottom: 3px solid transparent;
  margin-bottom: -2px;
}

.uhv2-nav-menu > li > a:hover,
.uhv2-nav-menu > .current-menu-item > a,
.uhv2-nav-menu > .current_page_item > a {
  color: var(--color-primary);
  border-bottom-color: var(--color-primary);
  background: rgba(255,255,255,0.05);
}

/* Home item highlight */
.uhv2-nav-menu > li.menu-item-home > a,
.uhv2-nav-menu > li:first-child > a {
  background: var(--color-primary);
  color: var(--color-navy);
  border-radius: var(--border-radius) var(--border-radius) 0 0;
  font-weight: 700;
}

.uhv2-nav-menu > li.menu-item-home > a:hover,
.uhv2-nav-menu > li:first-child > a:hover {
  background: var(--color-primary-dark);
  color: var(--color-navy);
  border-bottom-color: transparent;
}

/* Dropdown */
.uhv2-nav-menu .sub-menu {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  background: var(--color-navy);
  min-width: 220px;
  border-top: 2px solid var(--color-primary);
  box-shadow: var(--box-shadow-hover);
  z-index: 999;
  border-radius: 0 0 var(--border-radius) var(--border-radius);
}

.uhv2-nav-menu li:hover > .sub-menu { display: block; }

.uhv2-nav-menu .sub-menu a {
  display: block;
  padding: var(--space-sm) var(--space-md);
  color: rgba(255,255,255,0.8);
  font-size: var(--font-size-sm);
  border-bottom: 1px solid rgba(255,255,255,0.05);
  transition: all var(--transition-fast);
}

.uhv2-nav-menu .sub-menu a:hover {
  background: var(--color-navy-light);
  color: var(--color-primary);
  padding-left: var(--space-lg);
}

/* Hamburger */
.uhv2-hamburger {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--space-sm);
  flex-direction: column;
  gap: 5px;
}

.uhv2-hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-white);
  transition: all var(--transition-normal);
}

.uhv2-hamburger.active span:nth-child(1) { transform: rotate(45deg) translate(5px,5px); }
.uhv2-hamburger.active span:nth-child(2) { opacity: 0; }
.uhv2-hamburger.active span:nth-child(3) { transform: rotate(-45deg) translate(5px,-5px); }

/* Mobile menu */
.uhv2-mobile-menu {
  display: none;
  flex-direction: column;
  background: var(--color-navy);
  border-top: 1px solid rgba(255,255,255,0.1);
}

.uhv2-mobile-menu.open { display: flex; }

.uhv2-mobile-menu a {
  display: block;
  padding: var(--space-sm) var(--space-lg);
  color: rgba(255,255,255,0.85);
  font-size: var(--font-size-base);
  font-family: var(--font-heading);
  border-bottom: 1px solid rgba(255,255,255,0.07);
  transition: all var(--transition-fast);
}

.uhv2-mobile-menu a:hover { background: var(--color-navy-light); color: var(--color-primary); }

/* ============================================================
   06. AD SLOTS — All hidden by default
   ============================================================ */
.uhv2-ad-slot {
  display: none;
  text-align: center;
  overflow: hidden;
  background: rgba(255,255,255,0.03);
  border: 1px dashed rgba(255,255,255,0.1);
  border-radius: var(--border-radius);
  transition: all var(--transition-normal);
  position: relative;
}

.uhv2-ad-slot.ad-active {
  display: flex;
  align-items: center;
  justify-content: center;
  margin: var(--space-md) auto;
}

.uhv2-ad-leaderboard      { width: 728px; height: 90px; }
.uhv2-ad-billboard        { width: 970px; height: 90px; }
.uhv2-ad-large-rectangle  { width: 336px; height: 280px; }
.uhv2-ad-medium-rectangle { width: 300px; height: 250px; }
.uhv2-ad-half-page        { width: 300px; height: 600px; }
.uhv2-ad-wide-skyscraper  { width: 160px; height: 600px; }
.uhv2-ad-large-mobile     { width: 320px; height: 100px; }
.uhv2-ad-mobile-banner    { width: 320px; height: 50px; }
.uhv2-ad-responsive       { width: 100%; min-height: 90px; }

/* ============================================================
   07. HERO SECTION
   ============================================================ */
.uhv2-hero {
  background: var(--color-navy);
  min-height: 420px;
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: center;
}

.uhv2-hero-bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.4;
}

.uhv2-hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(13,27,42,0.97) 40%, rgba(13,27,42,0.3) 100%);
}

.uhv2-hero-inner {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-2xl);
  align-items: center;
  padding: var(--space-3xl) 0;
  width: 100%;
}

.uhv2-hero-content { max-width: 560px; }

.uhv2-hero-badge {
  display: inline-block;
  background: rgba(212,160,23,0.15);
  border: 1px solid var(--color-primary);
  color: var(--color-primary);
  font-size: var(--font-size-sm);
  font-family: var(--font-heading);
  font-weight: 600;
  padding: var(--space-xs) var(--space-md);
  border-radius: 20px;
  margin-bottom: var(--space-md);
  letter-spacing: 0.5px;
}

.uhv2-hero-title {
  font-size: var(--font-size-4xl);
  font-family: var(--font-heading);
  font-weight: 900;
  color: var(--color-white);
  line-height: 1.15;
  margin-bottom: var(--space-sm);
}

.uhv2-hero-title span { color: var(--color-primary); }

.uhv2-hero-subtitle {
  font-size: var(--font-size-base);
  color: rgba(255,255,255,0.75);
  line-height: 1.8;
  margin-bottom: var(--space-xl);
  max-width: 480px;
}

.uhv2-hero-cta {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  background: var(--color-primary);
  color: var(--color-navy);
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: var(--font-size-base);
  padding: var(--space-md) var(--space-xl);
  border-radius: var(--border-radius);
  transition: all var(--transition-fast);
  border: 2px solid var(--color-primary);
}

.uhv2-hero-cta:hover {
  background: transparent;
  color: var(--color-primary);
}

.uhv2-hero-image {
  display: flex;
  justify-content: flex-end;
  align-items: center;
}

.uhv2-hero-image img {
  max-width: 100%;
  max-height: 360px;
  object-fit: contain;
  filter: drop-shadow(0 0 40px rgba(212,160,23,0.2));
}

/* Hero slider dots */
.uhv2-hero-dots {
  position: absolute;
  bottom: var(--space-md);
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: var(--space-sm);
  z-index: 10;
}

.uhv2-hero-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: rgba(255,255,255,0.3);
  border: none;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.uhv2-hero-dot.active {
  background: var(--color-primary);
  width: 24px;
  border-radius: 4px;
}

/* ============================================================
   08. FEATURES STRIP
   ============================================================ */
.uhv2-features-strip {
  background: var(--color-white);
  padding: var(--space-xl) 0;
  border-bottom: 1px solid var(--color-border);
  box-shadow: var(--box-shadow);
}

.uhv2-features-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: var(--space-lg);
}

.uhv2-feature-item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-md);
  padding: var(--space-sm);
  border-radius: var(--border-radius);
  transition: background var(--transition-fast);
  cursor: default;
}

.uhv2-feature-item:hover { background: var(--color-gray-light); }

.uhv2-feature-icon {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--color-navy);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  font-size: 20px;
  color: var(--color-primary);
}

.uhv2-feature-title {
  font-size: var(--font-size-sm);
  font-family: var(--font-heading);
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: var(--space-xs);
  line-height: 1.3;
}

.uhv2-feature-desc {
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
  line-height: 1.5;
}

/* ============================================================
   09. SECTION HEADERS
   ============================================================ */
.uhv2-section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-lg);
}

.uhv2-section-title {
  font-size: var(--font-size-xl);
  font-family: var(--font-heading);
  font-weight: 800;
  color: var(--color-text);
  position: relative;
  padding-bottom: var(--space-sm);
}

.uhv2-section-title::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0;
  width: 40px; height: 3px;
  background: var(--color-primary);
  border-radius: 2px;
}

.uhv2-section-link {
  font-size: var(--font-size-sm);
  color: var(--color-primary);
  font-family: var(--font-heading);
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  transition: gap var(--transition-fast);
}

.uhv2-section-link:hover { gap: var(--space-sm); color: var(--color-primary-dark); }

/* ============================================================
   10. MAIN CONTENT LAYOUT
   ============================================================ */
.uhv2-main-area {
  padding: var(--space-2xl) 0;
}

.uhv2-content-grid {
  display: grid;
  grid-template-columns: 1fr 300px;
  gap: var(--space-xl);
  align-items: start;
}

/* ============================================================
   11. CATEGORY / POPULAR TOPICS GRID
   ============================================================ */
.uhv2-topics-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-md);
  margin-bottom: var(--space-xl);
}

.uhv2-topic-card {
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  background: var(--color-white);
  box-shadow: var(--box-shadow-card);
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
  cursor: pointer;
}

.uhv2-topic-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--box-shadow-hover);
}

.uhv2-topic-thumb {
  position: relative;
  padding-top: 65%;
  overflow: hidden;
}

.uhv2-topic-thumb img {
  position: absolute;
  inset: 0;
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform var(--transition-normal);
}

.uhv2-topic-card:hover .uhv2-topic-thumb img { transform: scale(1.06); }

.uhv2-topic-body {
  padding: var(--space-md);
  text-align: center;
}

.uhv2-topic-title {
  font-size: var(--font-size-sm);
  font-family: var(--font-heading);
  font-weight: 700;
  color: var(--color-text);
  line-height: 1.4;
  margin-bottom: var(--space-md);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.uhv2-read-btn {
  display: inline-block;
  border: 1.5px solid var(--color-navy);
  color: var(--color-navy);
  font-size: var(--font-size-xs);
  font-family: var(--font-heading);
  font-weight: 600;
  padding: var(--space-xs) var(--space-lg);
  border-radius: var(--border-radius);
  transition: all var(--transition-fast);
}

.uhv2-read-btn:hover {
  background: var(--color-navy);
  color: var(--color-white);
}

/* ============================================================
   12. POST LIST CARD (for Latest Articles sidebar)
   ============================================================ */
.uhv2-post-list-item {
  display: flex;
  gap: var(--space-md);
  padding: var(--space-md) 0;
  border-bottom: 1px solid var(--color-border);
  transition: background var(--transition-fast);
}

.uhv2-post-list-item:last-child { border-bottom: none; }

.uhv2-post-list-thumb {
  width: 72px;
  height: 72px;
  flex-shrink: 0;
  border-radius: var(--border-radius);
  overflow: hidden;
  background: var(--color-gray-mid);
}

.uhv2-post-list-thumb img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform var(--transition-fast);
}

.uhv2-post-list-item:hover .uhv2-post-list-thumb img { transform: scale(1.08); }

.uhv2-post-list-body { flex: 1; min-width: 0; }

.uhv2-post-list-title {
  font-size: var(--font-size-sm);
  font-family: var(--font-heading);
  font-weight: 700;
  color: var(--color-text);
  line-height: 1.4;
  margin-bottom: var(--space-xs);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.uhv2-post-list-title a:hover { color: var(--color-primary); }

.uhv2-post-list-date {
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
}

/* ============================================================
   13. CATEGORY SECTION BLOCK (full-width sections below)
   ============================================================ */
.uhv2-category-section {
  background: var(--color-white);
  border-radius: var(--border-radius-lg);
  padding: var(--space-xl);
  margin-bottom: var(--space-xl);
  box-shadow: var(--box-shadow);
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}

.uhv2-category-section.uhv2-visible { opacity: 1; transform: translateY(0); }

.uhv2-posts-grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-md);
}

.uhv2-post-card {
  border-radius: var(--border-radius);
  overflow: hidden;
  background: var(--color-white);
  box-shadow: var(--box-shadow);
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.uhv2-post-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--box-shadow-hover);
}

.uhv2-post-card-thumb {
  position: relative;
  padding-top: 60%;
  overflow: hidden;
  background: var(--color-gray-mid);
}

.uhv2-post-card-thumb img {
  position: absolute;
  inset: 0;
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform var(--transition-normal);
}

.uhv2-post-card:hover .uhv2-post-card-thumb img { transform: scale(1.05); }

.uhv2-post-card-body { padding: var(--space-md); }

.uhv2-post-card-cat {
  display: inline-block;
  font-size: 10px;
  font-weight: 700;
  padding: 2px 8px;
  border-radius: 3px;
  color: white;
  text-transform: uppercase;
  margin-bottom: var(--space-xs);
}

.uhv2-post-card-title {
  font-size: var(--font-size-sm);
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.4;
  color: var(--color-text);
  margin-bottom: var(--space-xs);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.uhv2-post-card-title a:hover { color: var(--color-primary); }

.uhv2-post-meta {
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
  display: flex;
  gap: var(--space-sm);
  align-items: center;
  flex-wrap: wrap;
}

/* Load more */
.uhv2-load-more-wrap { text-align: center; margin-top: var(--space-lg); }

.uhv2-load-more-btn {
  background: none;
  border: 2px solid var(--color-navy);
  color: var(--color-navy);
  padding: var(--space-sm) var(--space-xl);
  border-radius: var(--border-radius);
  font-size: var(--font-size-sm);
  font-weight: 700;
  font-family: var(--font-heading);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.uhv2-load-more-btn:hover { background: var(--color-navy); color: white; }
.uhv2-load-more-btn.loading { opacity: 0.6; pointer-events: none; }

/* ============================================================
   14. SIDEBAR
   ============================================================ */
.uhv2-sidebar-widget {
  background: var(--color-white);
  border-radius: var(--border-radius-lg);
  padding: var(--space-lg);
  margin-bottom: var(--space-lg);
  box-shadow: var(--box-shadow);
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}

.uhv2-sidebar-widget.uhv2-visible { opacity: 1; transform: translateY(0); }

.uhv2-widget-title {
  font-size: var(--font-size-base);
  font-family: var(--font-heading);
  font-weight: 800;
  color: var(--color-navy);
  padding-bottom: var(--space-sm);
  border-bottom: 2px solid var(--color-primary);
  margin-bottom: var(--space-md);
}

/* ============================================================
   15. STATS BAR
   ============================================================ */
.uhv2-stats-bar {
  background: var(--color-navy);
  padding: var(--space-2xl) 0;
}

.uhv2-stats-inner {
  display: grid;
  grid-template-columns: repeat(4, 1fr) 1.5fr;
  gap: var(--space-xl);
  align-items: center;
}

.uhv2-stat-item {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  color: var(--color-white);
}

.uhv2-stat-icon {
  font-size: 32px;
  color: var(--color-primary);
  flex-shrink: 0;
}

.uhv2-stat-number {
  font-size: var(--font-size-2xl);
  font-family: var(--font-heading);
  font-weight: 900;
  color: var(--color-white);
  line-height: 1;
}

.uhv2-stat-label {
  font-size: var(--font-size-xs);
  color: rgba(255,255,255,0.6);
  margin-top: 2px;
}

/* Stats newsletter */
.uhv2-stats-newsletter { border-left: 1px solid rgba(255,255,255,0.1); padding-left: var(--space-xl); }

.uhv2-stats-newsletter h3 {
  font-size: var(--font-size-lg);
  font-family: var(--font-heading);
  font-weight: 700;
  color: var(--color-white);
  margin-bottom: var(--space-xs);
}

.uhv2-stats-newsletter p {
  font-size: var(--font-size-sm);
  color: rgba(255,255,255,0.65);
  margin-bottom: var(--space-md);
}

.uhv2-newsletter-row {
  display: flex;
  gap: 0;
  border-radius: var(--border-radius);
  overflow: hidden;
  border: 1px solid rgba(255,255,255,0.2);
}

.uhv2-newsletter-input {
  flex: 1;
  border: none;
  outline: none;
  padding: var(--space-sm) var(--space-md);
  font-family: var(--font-body);
  font-size: var(--font-size-sm);
  background: rgba(255,255,255,0.08);
  color: var(--color-white);
}

.uhv2-newsletter-input::placeholder { color: rgba(255,255,255,0.4); }

.uhv2-newsletter-btn {
  background: var(--color-primary);
  color: var(--color-navy);
  border: none;
  padding: var(--space-sm) var(--space-lg);
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: var(--font-size-sm);
  cursor: pointer;
  white-space: nowrap;
  transition: background var(--transition-fast);
}

.uhv2-newsletter-btn:hover { background: var(--color-primary-dark); }

/* ============================================================
   16. FOOTER
   ============================================================ */
.uhv2-footer {
  background: var(--color-navy);
  border-top: 1px solid rgba(255,255,255,0.08);
}

.uhv2-footer-main {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr 1fr;
  gap: var(--space-xl);
  padding: var(--space-2xl) 0 var(--space-xl);
}

.uhv2-footer-col-title {
  font-size: var(--font-size-sm);
  font-family: var(--font-heading);
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: var(--space-md);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.uhv2-footer-about {
  font-size: var(--font-size-sm);
  color: rgba(255,255,255,0.6);
  line-height: 1.8;
  margin-bottom: var(--space-md);
}

.uhv2-footer-logo-name {
  font-size: var(--font-size-xl);
  font-family: var(--font-heading);
  font-weight: 800;
  color: var(--color-white);
  margin-bottom: var(--space-xs);
}

.uhv2-footer-logo-tag {
  font-size: var(--font-size-xs);
  color: rgba(255,255,255,0.5);
  margin-bottom: var(--space-md);
}

.uhv2-footer-links li { margin-bottom: var(--space-sm); }

.uhv2-footer-links a {
  font-size: var(--font-size-sm);
  color: rgba(255,255,255,0.65);
  transition: color var(--transition-fast);
  display: flex;
  align-items: center;
  gap: var(--space-xs);
}

.uhv2-footer-links a:hover { color: var(--color-primary); padding-left: 4px; }

.uhv2-footer-social {
  display: flex;
  gap: var(--space-sm);
  margin-top: var(--space-md);
}

.uhv2-footer-social a {
  width: 36px; height: 36px;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 16px;
  transition: all var(--transition-fast);
  color: var(--color-white);
}

.uhv2-social-youtube   { background: #FF0000; }
.uhv2-social-telegram  { background: #0088CC; }
.uhv2-social-facebook  { background: #1877F2; }
.uhv2-social-instagram { background: linear-gradient(45deg, #f09433,#e6683c,#dc2743,#cc2366,#bc1888); }

.uhv2-footer-social a:hover { transform: translateY(-2px); box-shadow: 0 4px 12px rgba(0,0,0,0.3); }

.uhv2-footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.08);
  padding: var(--space-md) 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: var(--font-size-xs);
  color: rgba(255,255,255,0.4);
}

/* ============================================================
   17. QUIZ BLOCK
   ============================================================ */
.uhv2-quiz-block {
  background: var(--color-white);
  border-radius: var(--border-radius-lg);
  padding: var(--space-xl);
  margin-bottom: var(--space-xl);
  box-shadow: var(--box-shadow);
  border-top: 3px solid var(--color-primary);
  opacity: 0; transform: translateY(20px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}

.uhv2-quiz-block.uhv2-visible { opacity: 1; transform: translateY(0); }

.uhv2-quiz-question {
  font-size: var(--font-size-lg);
  font-family: var(--font-heading);
  font-weight: 700;
  color: var(--color-navy);
  margin-bottom: var(--space-lg);
  text-align: center;
}

.uhv2-quiz-options {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-sm);
  margin-bottom: var(--space-lg);
}

.uhv2-quiz-option {
  background: var(--color-gray-light);
  border: 2px solid var(--color-border);
  border-radius: var(--border-radius);
  padding: var(--space-sm) var(--space-md);
  cursor: pointer;
  text-align: center;
  font-size: var(--font-size-sm);
  font-family: var(--font-heading);
  transition: all var(--transition-fast);
}

.uhv2-quiz-option:hover         { border-color: var(--color-primary); background: #FFF8E1; }
.uhv2-quiz-option.correct       { background: #E8F5E9; border-color: #4CAF50; color: #2E7D32; }
.uhv2-quiz-option.wrong         { background: #FFEBEE; border-color: #F44336; color: #C62828; }

.uhv2-quiz-submit {
  display: block; width: 100%;
  background: var(--color-primary);
  color: var(--color-navy);
  border: none; border-radius: var(--border-radius);
  padding: var(--space-md);
  font-size: var(--font-size-base);
  font-family: var(--font-heading);
  font-weight: 800;
  cursor: pointer;
  transition: background var(--transition-fast);
}

.uhv2-quiz-submit:hover { background: var(--color-primary-dark); }

.uhv2-quiz-result {
  display: none; text-align: center;
  padding: var(--space-md); border-radius: var(--border-radius);
  margin-top: var(--space-md); font-family: var(--font-heading); font-weight: 700;
}

.uhv2-quiz-result.show   { display: block; }
.uhv2-quiz-result.correct { background: #E8F5E9; color: #2E7D32; }
.uhv2-quiz-result.wrong   { background: #FFEBEE; color: #C62828; }

/* ============================================================
   18. SINGLE POST
   ============================================================ */
.uhv2-single-post {
  background: var(--color-white);
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  box-shadow: var(--box-shadow);
  margin-bottom: var(--space-lg);
}

.uhv2-single-hero img {
  width: 100%; max-height: 480px; object-fit: cover;
}

.uhv2-single-header { padding: var(--space-xl); }

.uhv2-single-title {
  font-size: var(--font-size-2xl);
  font-family: var(--font-heading);
  font-weight: 800;
  color: var(--color-navy);
  line-height: 1.3;
  margin: var(--space-sm) 0 var(--space-md);
}

.uhv2-single-content {
  padding: 0 var(--space-xl) var(--space-xl);
  font-size: var(--font-size-base);
  line-height: 2;
}

.uhv2-single-content p    { margin-bottom: var(--space-md); }
.uhv2-single-content h2   { font-size: var(--font-size-xl); margin: var(--space-xl) 0 var(--space-md); color: var(--color-navy); }
.uhv2-single-content h3   { font-size: var(--font-size-lg); margin: var(--space-lg) 0 var(--space-sm); color: var(--color-navy); }
.uhv2-single-content img  { border-radius: var(--border-radius); margin: var(--space-md) 0; }
.uhv2-single-content a    { color: var(--color-primary); text-decoration: underline; }
.uhv2-single-content ul   { list-style: disc; padding-left: var(--space-xl); margin-bottom: var(--space-md); }
.uhv2-single-content ol   { list-style: decimal; padding-left: var(--space-xl); margin-bottom: var(--space-md); }
.uhv2-single-content blockquote {
  border-left: 4px solid var(--color-primary);
  padding: var(--space-md) var(--space-lg);
  background: var(--color-gray-light);
  border-radius: 0 var(--border-radius) var(--border-radius) 0;
  margin: var(--space-lg) 0;
  font-style: italic;
  color: var(--color-gray-dark);
}

/* ============================================================
   19. UTILITIES
   ============================================================ */
.uhv2-text-center { text-align: center; }
.uhv2-hidden      { display: none !important; }

.uhv2-skeleton {
  background: linear-gradient(90deg, #f0f0f0 25%, #e0e0e0 50%, #f0f0f0 75%);
  background-size: 200% 100%;
  animation: uhv2-skeleton 1.5s infinite;
  border-radius: var(--border-radius);
}

@keyframes uhv2-skeleton { 0% { background-position: 200% 0; } 100% { background-position: -200% 0; } }

/* Pagination */
.uhv2-pagination { text-align: center; margin-top: var(--space-lg); }
.uhv2-pagination .page-numbers {
  display: inline-flex; align-items: center; justify-content: center;
  width: 36px; height: 36px;
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius);
  margin: 2px; font-size: var(--font-size-sm);
  font-family: var(--font-heading);
  color: var(--color-text);
  transition: all var(--transition-fast);
}
.uhv2-pagination .page-numbers:hover,
.uhv2-pagination .page-numbers.current {
  background: var(--color-primary); color: var(--color-navy); border-color: var(--color-primary);
}

/* ============================================================
   20. RESPONSIVE — TABLET
   ============================================================ */
@media (max-width: 1024px) {
  .uhv2-features-grid   { grid-template-columns: repeat(3, 1fr); }
  .uhv2-topics-grid     { grid-template-columns: repeat(2, 1fr); }
  .uhv2-footer-main     { grid-template-columns: 1fr 1fr; gap: var(--space-lg); }
  .uhv2-stats-inner     { grid-template-columns: repeat(2, 1fr); }
  .uhv2-stats-newsletter { border-left: none; padding-left: 0; border-top: 1px solid rgba(255,255,255,0.1); padding-top: var(--space-lg); }
  .uhv2-content-grid    { grid-template-columns: 1fr; }
  .uhv2-hero-inner      { grid-template-columns: 1fr; }
  .uhv2-hero-image      { display: none; }
  .uhv2-posts-grid-3    { grid-template-columns: repeat(2, 1fr); }
}

/* ============================================================
   21. RESPONSIVE — MOBILE
   ============================================================ */
@media (max-width: 768px) {
  :root { --font-size-base: 15px; }

  .uhv2-header-top-inner { flex-wrap: wrap; gap: var(--space-sm); }
  .uhv2-search-wrap      { order: 3; max-width: 100%; flex-basis: 100%; }
  .uhv2-logo-name        { font-size: var(--font-size-lg); }

  .uhv2-nav-menu   { display: none; }
  .uhv2-hamburger  { display: flex; }
  .uhv2-navbar-inner { justify-content: space-between; padding: 0 var(--space-md); }

  .uhv2-hero-title  { font-size: var(--font-size-2xl); }
  .uhv2-hero-inner  { padding: var(--space-xl) 0; }

  .uhv2-features-grid { grid-template-columns: 1fr 1fr; }
  .uhv2-topics-grid   { grid-template-columns: 1fr 1fr; }
  .uhv2-posts-grid-3  { grid-template-columns: 1fr; }
  .uhv2-stats-inner   { grid-template-columns: 1fr 1fr; }
  .uhv2-footer-main   { grid-template-columns: 1fr; }

  .uhv2-ad-leaderboard, .uhv2-ad-billboard { display: none !important; }
}

@media (max-width: 480px) {
  .uhv2-topics-grid   { grid-template-columns: 1fr; }
  .uhv2-features-grid { grid-template-columns: 1fr; }
  .uhv2-stats-inner   { grid-template-columns: 1fr; }
  .uhv2-quiz-options  { grid-template-columns: 1fr; }
  .uhv2-footer-bottom { flex-direction: column; gap: var(--space-sm); text-align: center; }
}