/* ==========================================================================
   CouponDeals - Comprehensive Modern CSS Stylesheet
   Clean, Responsive, Fast & AdSense Optimized Design
   ========================================================================== */

:root {
  /* Color Palette - Light Theme */
  --primary-color: #FF6B35;
  --primary-hover: #E85A24;
  --primary-light: #FFF0EB;
  --secondary-color: #2D3748;
  --accent-color: #38A169;
  --accent-light: #E6FFFA;
  --bg-main: #F7FAFC;
  --bg-card: #FFFFFF;
  --bg-secondary: #EDF2F7;
  --text-main: #2D3748;
  --text-muted: #718096;
  --text-light: #A0AEC0;
  --border-color: #E2E8F0;
  --shadow-sm: 0 2px 4px rgba(0,0,0,0.05);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.08);
  --shadow-lg: 0 10px 25px rgba(0,0,0,0.12);
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-full: 9999px;
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --max-width: 1240px;
  --header-height: 72px;
}

[data-theme="dark"] {
  /* Color Palette - Dark Theme */
  --primary-color: #FF7B47;
  --primary-hover: #FF6B35;
  --primary-light: rgba(255, 107, 53, 0.15);
  --secondary-color: #E2E8F0;
  --accent-color: #48BB78;
  --accent-light: rgba(72, 187, 120, 0.15);
  --bg-main: #0F172A;
  --bg-card: #1E293B;
  --bg-secondary: #334155;
  --text-main: #F8FAFC;
  --text-muted: #94A3B8;
  --text-light: #64748B;
  --border-color: #334155;
  --shadow-sm: 0 2px 4px rgba(0,0,0,0.3);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.4);
  --shadow-lg: 0 10px 25px rgba(0,0,0,0.5);
}

/* Reset & Base Styles */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

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

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  background-color: var(--bg-main);
  color: var(--text-main);
  line-height: 1.6;
  transition: background-color 0.3s ease, color 0.3s ease;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

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

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

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

ul, ol {
  list-style: none;
}

button, input, select, textarea {
  font-family: inherit;
  font-size: inherit;
  outline: none;
}

.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1.25rem;
}

/* Typography Helpers */
h1, h2, h3, h4, h5, h6 {
  color: var(--text-main);
  font-weight: 700;
  line-height: 1.25;
  margin-bottom: 0.75rem;
}

h1 { font-size: 2.25rem; }
h2 { font-size: 1.75rem; }
h3 { font-size: 1.35rem; }
h4 { font-size: 1.15rem; }

.section-title {
  text-align: center;
  margin-bottom: 2.5rem;
}

.section-title h2 {
  font-size: 2rem;
  position: relative;
  display: inline-block;
}

.section-title h2::after {
  content: '';
  position: absolute;
  bottom: -8px;
  left: 50%;
  transform: translateX(-50%);
  width: 60px;
  height: 4px;
  background: var(--primary-color);
  border-radius: var(--radius-full);
}

.section-title p {
  color: var(--text-muted);
  margin-top: 0.5rem;
  font-size: 1.05rem;
}

/* Header & Navigation */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background-color: var(--bg-card);
  border-bottom: 1px solid var(--border-color);
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--header-height);
  gap: 1.5rem;
}

.logo-brand {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--secondary-color);
}

[data-theme="dark"] .logo-brand {
  color: #FFFFFF;
}

.logo-brand span {
  color: var(--primary-color);
}

.header-search {
  flex: 1;
  max-width: 400px;
  position: relative;
}

.header-search input {
  width: 100%;
  padding: 0.6rem 1rem 0.6rem 2.5rem;
  border-radius: var(--radius-full);
  border: 1px solid var(--border-color);
  background-color: var(--bg-main);
  color: var(--text-main);
  font-size: 0.9rem;
  transition: var(--transition);
}

.header-search input:focus {
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px rgba(255, 107, 53, 0.2);
}

.header-search i {
  position: absolute;
  left: 1rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
  font-size: 0.9rem;
}

.search-results-dropdown {
  position: absolute;
  top: 110%;
  left: 0;
  right: 0;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  max-height: 350px;
  overflow-y: auto;
  display: none;
  z-index: 1050;
}

.search-results-dropdown.active {
  display: block;
}

.search-item {
  padding: 0.75rem 1rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--border-color);
  color: var(--text-main);
  transition: var(--transition);
}

.search-item:hover {
  background: var(--bg-secondary);
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.nav-link {
  font-weight: 500;
  color: var(--text-main);
  padding: 0.5rem 0.25rem;
  font-size: 0.95rem;
  position: relative;
}

.nav-link:hover, .nav-link.active {
  color: var(--primary-color);
}

.nav-link.active::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 2px;
  background-color: var(--primary-color);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.theme-toggle-btn {
  background: none;
  border: 1px solid var(--border-color);
  width: 40px;
  height: 40px;
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-main);
  cursor: pointer;
  transition: var(--transition);
}

.theme-toggle-btn:hover {
  background-color: var(--bg-secondary);
  color: var(--primary-color);
}

.mobile-menu-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 1.5rem;
  color: var(--text-main);
  cursor: pointer;
}

/* Secondary Subnav */
.sub-nav {
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border-color);
  overflow-x: auto;
  white-space: nowrap;
}

.sub-nav-inner {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  padding: 0.6rem 0;
}

.sub-nav-link {
  color: var(--text-muted);
  font-size: 0.88rem;
  font-weight: 500;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
}

.sub-nav-link:hover, .sub-nav-link.active {
  color: var(--primary-color);
}

/* Breadcrumbs */
.breadcrumb-wrapper {
  background-color: var(--bg-secondary);
  padding: 0.75rem 0;
  margin-bottom: 2rem;
  border-bottom: 1px solid var(--border-color);
}

.breadcrumb {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.5rem;
  font-size: 0.85rem;
  color: var(--text-muted);
}

.breadcrumb a {
  color: var(--text-muted);
}

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

.breadcrumb span.separator {
  color: var(--text-light);
}

.breadcrumb span.current {
  color: var(--text-main);
  font-weight: 600;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.65rem 1.4rem;
  font-weight: 600;
  font-size: 0.95rem;
  border-radius: var(--radius-md);
  border: 1px solid transparent;
  cursor: pointer;
  transition: var(--transition);
  text-align: center;
}

.btn-primary {
  background-color: var(--primary-color);
  color: #FFFFFF !important;
}

.btn-primary:hover {
  background-color: var(--primary-hover);
  box-shadow: 0 4px 12px rgba(255, 107, 53, 0.35);
}

.btn-secondary {
  background-color: var(--bg-secondary);
  color: var(--text-main);
  border-color: var(--border-color);
}

.btn-secondary:hover {
  background-color: var(--border-color);
}

.btn-outline {
  background: transparent;
  border-color: var(--primary-color);
  color: var(--primary-color);
}

.btn-outline:hover {
  background-color: var(--primary-color);
  color: #FFFFFF;
}

.btn-sm {
  padding: 0.4rem 0.85rem;
  font-size: 0.85rem;
  border-radius: var(--radius-sm);
}

.btn-lg {
  padding: 0.85rem 1.8rem;
  font-size: 1.05rem;
}

.btn-block {
  width: 100%;
}

/* Hero Section */
.hero-section {
  background: linear-gradient(135deg, rgba(255,107,53,0.08) 0%, rgba(56,161,105,0.05) 100%);
  padding: 3.5rem 0;
  border-bottom: 1px solid var(--border-color);
  margin-bottom: 3rem;
  text-align: center;
}

.hero-content {
  max-width: 800px;
  margin: 0 auto;
}

.hero-title {
  font-size: 2.75rem;
  font-weight: 800;
  margin-bottom: 1rem;
  letter-spacing: -0.02em;
}

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

.hero-subtitle {
  font-size: 1.15rem;
  color: var(--text-muted);
  margin-bottom: 2rem;
}

.hero-search-box {
  display: flex;
  max-width: 600px;
  margin: 0 auto 1.5rem auto;
  box-shadow: var(--shadow-lg);
  border-radius: var(--radius-full);
  overflow: hidden;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
}

.hero-search-box input {
  flex: 1;
  padding: 1rem 1.5rem;
  border: none;
  background: transparent;
  color: var(--text-main);
  font-size: 1rem;
}

.hero-search-box button {
  border-radius: 0 var(--radius-full) var(--radius-full) 0;
  padding: 0 1.8rem;
}

.hero-stats {
  display: flex;
  justify-content: center;
  gap: 2.5rem;
  margin-top: 2rem;
}

.stat-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 600;
  color: var(--text-main);
  font-size: 0.95rem;
}

.stat-item i {
  color: var(--primary-color);
  font-size: 1.2rem;
}

/* Featured Stores Bar */
.stores-bar {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(110px, 1fr));
  gap: 1rem;
  margin-bottom: 3rem;
}

.store-pill {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 1rem 0.5rem;
  text-align: center;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
}

.store-pill:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: var(--primary-color);
}

.store-pill-img {
  width: 50px;
  height: 50px;
  object-fit: contain;
  border-radius: var(--radius-sm);
}

.store-pill-name {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-main);
}

/* Coupon Cards & Grid */
.coupons-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: 1.5rem;
  margin-bottom: 3rem;
}

.coupon-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
  display: flex;
  flex-direction: column;
  position: relative;
  overflow: hidden;
}

.coupon-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: rgba(255,107,53,0.3);
}

.coupon-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1rem;
}

.coupon-store-brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.coupon-store-logo {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-sm);
  object-fit: contain;
  border: 1px solid var(--border-color);
  padding: 2px;
  background: #FFF;
}

.coupon-store-name {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-muted);
}

.coupon-badge {
  font-size: 0.75rem;
  font-weight: 700;
  padding: 0.25rem 0.6rem;
  border-radius: var(--radius-full);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.badge-exclusive {
  background: var(--primary-light);
  color: var(--primary-color);
}

.badge-verified {
  background: var(--accent-light);
  color: var(--accent-color);
}

.badge-deal {
  background: var(--bg-secondary);
  color: var(--text-main);
}

.coupon-title {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
  color: var(--text-main);
}

.coupon-desc {
  font-size: 0.88rem;
  color: var(--text-muted);
  margin-bottom: 1.25rem;
  flex-grow: 1;
  line-height: 1.5;
}

.coupon-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding-top: 1rem;
  border-top: 1px dashed var(--border-color);
}

.coupon-code-wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  gap: 0.75rem;
}

.coupon-code-box {
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-secondary);
  border: 1.5px dashed var(--primary-color);
  border-radius: var(--radius-sm);
  padding: 0.45rem 0.85rem;
  gap: 0.5rem;
  font-family: monospace;
  font-weight: 700;
  color: var(--primary-color);
  font-size: 0.95rem;
  letter-spacing: 1px;
  transition: all 0.3s ease;
  min-width: 100px;
  text-align: center;
}

.coupon-code-box.hidden-code {
  color: var(--text-light);
  border-color: var(--border-color);
  background: rgba(0, 0, 0, 0.04);
  user-select: none;
  letter-spacing: 3px;
}

[data-theme="dark"] .coupon-code-box.hidden-code {
  background: rgba(255, 255, 255, 0.05);
  color: var(--text-muted);
}

.btn-view-code {
  transition: transform 0.2s ease, background-color 0.2s ease;
}

.btn-view-code:hover {
  transform: translateY(-1px);
}

.coupon-verified,
.coupon-verified-status {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.82rem;
  color: var(--accent-color);
  font-weight: 600;
  margin-top: 0.85rem;
  margin-bottom: 0.35rem;
}

.coupon-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.8rem;
  color: var(--text-light);
  margin-top: 0.75rem;
}

/* Category Grid */
.categories-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 1.25rem;
  margin-bottom: 3rem;
}

.category-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  text-align: center;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.75rem;
}

.category-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: var(--primary-color);
}

.category-icon {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-full);
  background: var(--primary-light);
  color: var(--primary-color);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
}

.category-name {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text-main);
}

.category-count {
  font-size: 0.82rem;
  color: var(--text-muted);
  background: var(--bg-secondary);
  padding: 0.2rem 0.6rem;
  border-radius: var(--radius-full);
}

/* Blog Article Grid */
.blog-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 1.75rem;
  margin-bottom: 3rem;
}

.blog-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
  display: flex;
  flex-direction: column;
}

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

.blog-card-img {
  width: 100%;
  height: 180px;
  object-fit: cover;
  background: var(--bg-secondary);
}

.blog-card-body {
  padding: 1.25rem;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.blog-meta {
  display: flex;
  align-items: center;
  gap: 1rem;
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-bottom: 0.5rem;
}

.blog-card-title {
  font-size: 1.15rem;
  font-weight: 700;
  line-height: 1.35;
  margin-bottom: 0.75rem;
}

.blog-card-title a {
  color: var(--text-main);
}

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

.blog-card-excerpt {
  font-size: 0.88rem;
  color: var(--text-muted);
  margin-bottom: 1.25rem;
  flex-grow: 1;
}

/* SEO Content & Article Styling */
.article-container {
  max-width: 840px;
  margin: 0 auto;
  padding: 2rem 0;
}

.article-header {
  margin-bottom: 2rem;
  text-align: left;
}

.article-title {
  font-size: 2.4rem;
  line-height: 1.2;
  margin-bottom: 1rem;
}

.article-meta {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  font-size: 0.9rem;
  color: var(--text-muted);
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 1.25rem;
}

.article-body {
  font-size: 1.05rem;
  line-height: 1.8;
  color: var(--text-main);
}

.article-body p {
  margin-bottom: 1.5rem;
}

.article-body h2 {
  font-size: 1.7rem;
  margin-top: 2.25rem;
  margin-bottom: 1rem;
  padding-bottom: 0.4rem;
  border-bottom: 2px solid var(--primary-light);
}

.article-body h3 {
  font-size: 1.3rem;
  margin-top: 1.75rem;
  margin-bottom: 0.75rem;
}

.article-body ul, .article-body ol {
  margin-bottom: 1.5rem;
  padding-left: 1.5rem;
}

.article-body ul li { list-style: disc; margin-bottom: 0.5rem; }
.article-body ol li { list-style: decimal; margin-bottom: 0.5rem; }

.article-body blockquote {
  border-left: 4px solid var(--primary-color);
  padding: 1rem 1.5rem;
  background: var(--primary-light);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  margin: 1.5rem 0;
  font-style: italic;
}

.article-body table {
  width: 100%;
  border-collapse: collapse;
  margin: 1.75rem 0;
  background: var(--bg-card);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}

.article-body th, .article-body td {
  padding: 0.85rem 1rem;
  border: 1px solid var(--border-color);
  text-align: left;
  font-size: 0.95rem;
}

.article-body th {
  background: var(--bg-secondary);
  font-weight: 700;
  color: var(--text-main);
}

/* Callout Box */
.callout-box {
  background: var(--accent-light);
  border: 1px solid var(--accent-color);
  border-radius: var(--radius-md);
  padding: 1.25rem 1.5rem;
  margin: 1.5rem 0;
}

.callout-box h4 {
  color: var(--accent-color);
  margin-bottom: 0.5rem;
}

/* Store & Category Detail Layouts */
.detail-layout {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 2rem;
  margin-bottom: 3rem;
}

.sidebar-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  box-shadow: var(--shadow-sm);
  margin-bottom: 1.5rem;
  position: sticky;
  top: calc(var(--header-height) + 1.5rem);
}

.store-header-box {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 1.75rem;
  margin-bottom: 2rem;
  box-shadow: var(--shadow-sm);
}

.store-header-logo {
  width: 90px;
  height: 90px;
  object-fit: contain;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
  padding: 4px;
  background: #FFF;
}

.store-header-info h1 {
  font-size: 1.8rem;
  margin-bottom: 0.4rem;
}

.store-header-info p {
  color: var(--text-muted);
  font-size: 0.95rem;
}

/* FAQ Accordion */
.faq-accordion {
  margin-top: 2rem;
}

.faq-item {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  margin-bottom: 1rem;
  overflow: hidden;
  transition: var(--transition);
}

.faq-question {
  width: 100%;
  padding: 1.25rem 1.5rem;
  text-align: left;
  background: none;
  border: none;
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--text-main);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.faq-question i {
  transition: transform 0.3s ease;
  color: var(--primary-color);
}

.faq-item.active .faq-question i {
  transform: rotate(180deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease, padding 0.3s ease;
  padding: 0 1.5rem;
  color: var(--text-muted);
  font-size: 0.95rem;
  line-height: 1.6;
}

.faq-item.active .faq-answer {
  max-height: 300px;
  padding: 0 1.5rem 1.25rem 1.5rem;
}

/* Why Choose Us & Trust Section */
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.5rem;
  margin: 3rem 0;
}

.feature-box {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 1.75rem;
  text-align: center;
  transition: var(--transition);
}

.feature-box:hover {
  transform: translateY(-4px);
  border-color: var(--primary-color);
}

.feature-icon {
  width: 60px;
  height: 60px;
  background: var(--primary-light);
  color: var(--primary-color);
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.6rem;
  margin: 0 auto 1.25rem auto;
}

/* Newsletter Section */
.newsletter-section {
  background: linear-gradient(135deg, var(--secondary-color) 0%, #1A202C 100%);
  color: #FFFFFF;
  border-radius: var(--radius-lg);
  padding: 3rem 2rem;
  text-align: center;
  margin: 3rem 0;
  box-shadow: var(--shadow-lg);
}

.newsletter-section h2 {
  color: #FFFFFF;
  font-size: 2rem;
}

.newsletter-section p {
  color: #A0AEC0;
  max-width: 600px;
  margin: 0.5rem auto 2rem auto;
}

.newsletter-form {
  display: flex;
  max-width: 500px;
  margin: 0 auto;
  gap: 0.5rem;
}

.newsletter-form input {
  flex: 1;
  padding: 0.8rem 1.25rem;
  border-radius: var(--radius-md);
  border: 1px solid #4A5568;
  background: #2D3748;
  color: #FFFFFF;
}

.newsletter-form input::placeholder {
  color: #A0AEC0;
}

/* AdSense Container Placeholder */
.adsense-container {
  width: 100%;
  margin: 2rem 0;
  padding: 1rem;
  background: var(--bg-secondary);
  border: 1px dashed var(--border-color);
  border-radius: var(--radius-md);
  text-align: center;
  color: var(--text-light);
  font-size: 0.85rem;
  min-height: 100px;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* Toast Notification */
.toast-container {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  z-index: 2000;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.toast {
  background: var(--secondary-color);
  color: #FFFFFF;
  padding: 0.85rem 1.5rem;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.9rem;
  font-weight: 600;
  animation: slideIn 0.3s ease forwards;
}

@keyframes slideIn {
  from { transform: translateX(100%); opacity: 0; }
  to { transform: translateX(0); opacity: 1; }
}

/* Back to Top Button */
.back-to-top {
  position: fixed;
  bottom: 2rem;
  left: 2rem;
  width: 44px;
  height: 44px;
  background: var(--primary-color);
  color: #FFFFFF;
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  cursor: pointer;
  box-shadow: var(--shadow-md);
  opacity: 0;
  visibility: hidden;
  transition: var(--transition);
  z-index: 1000;
  border: none;
}

.back-to-top.visible {
  opacity: 1;
  visibility: visible;
}

.back-to-top:hover {
  background: var(--primary-hover);
  transform: translateY(-3px);
}

/* Footer */
.site-footer {
  background-color: var(--bg-card);
  border-top: 1px solid var(--border-color);
  margin-top: auto;
  padding-top: 3.5rem;
  padding-bottom: 2rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr repeat(3, 1fr);
  gap: 2.5rem;
  margin-bottom: 3rem;
}

.footer-col h4 {
  font-size: 1.1rem;
  margin-bottom: 1.25rem;
  position: relative;
  padding-bottom: 0.4rem;
}

.footer-col h4::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 30px;
  height: 3px;
  background: var(--primary-color);
  border-radius: var(--radius-full);
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}

.footer-links a {
  color: var(--text-muted);
  font-size: 0.9rem;
}

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

.footer-bottom {
  border-top: 1px solid var(--border-color);
  padding-top: 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
  font-size: 0.85rem;
  color: var(--text-muted);
}

.disclaimer-notice {
  font-size: 0.8rem;
  color: var(--text-light);
  line-height: 1.5;
  margin-top: 1rem;
}

/* Modal Popup for Coupon */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0,0,0,0.6);
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
  opacity: 0;
  visibility: hidden;
  transition: var(--transition);
}

.modal-overlay.active {
  opacity: 1;
  visibility: visible;
}

.modal-card {
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  max-width: 500px;
  width: 100%;
  padding: 2rem;
  position: relative;
  box-shadow: var(--shadow-lg);
  text-align: center;
}

.modal-close {
  position: absolute;
  top: 1rem;
  right: 1rem;
  background: none;
  border: none;
  font-size: 1.5rem;
  color: var(--text-muted);
  cursor: pointer;
}

.modal-code-display {
  background: var(--bg-secondary);
  border: 2px dashed var(--primary-color);
  padding: 1rem;
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--primary-color);
  border-radius: var(--radius-md);
  margin: 1.5rem 0;
  letter-spacing: 2px;
}

/* Responsive Grid Utility Classes */
.sitemap-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 2rem;
  margin-top: 1.5rem;
}

.contact-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
  margin-top: 1.5rem;
}

/* Mobile Responsiveness */
@media (max-width: 992px) {
  .detail-layout {
    grid-template-columns: 1fr;
  }
  .sidebar-card {
    position: static;
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 768px) {
  .nav-menu {
    position: fixed;
    top: var(--header-height);
    left: -100%;
    width: 280px;
    height: calc(100vh - var(--header-height));
    background: var(--bg-card);
    flex-direction: column;
    align-items: flex-start;
    padding: 1.5rem;
    box-shadow: var(--shadow-lg);
    transition: var(--transition);
  }

  .nav-menu.active {
    left: 0;
  }

  .mobile-menu-toggle {
    display: block;
  }

  .hero-title {
    font-size: 1.85rem;
    line-height: 1.25;
  }

  .article-title {
    font-size: 1.75rem;
    line-height: 1.25;
  }

  .hero-search-box {
    flex-direction: column;
    box-shadow: var(--shadow-md);
    border-radius: var(--radius-md);
  }

  .hero-search-box input {
    border-radius: var(--radius-md) var(--radius-md) 0 0;
    padding: 0.9rem 1.2rem;
    width: 100%;
  }

  .hero-search-box button {
    border-radius: 0 0 var(--radius-md) var(--radius-md);
    width: 100%;
    padding: 0.85rem 1.2rem;
  }

  .hero-stats {
    flex-direction: column;
    gap: 0.75rem;
    align-items: center;
  }

  .store-header-box {
    flex-direction: column;
    text-align: center;
    gap: 1rem;
    padding: 1.25rem;
  }

  .store-header-logo {
    margin: 0 auto;
  }

  .coupon-card {
    padding: 1.25rem;
  }

  .coupon-footer {
    flex-direction: column;
    align-items: stretch;
    gap: 0.75rem;
  }

  .coupon-footer .btn {
    width: 100%;
  }

  .coupon-code-box {
    justify-content: center;
    width: 100%;
  }

  .coupon-meta {
    flex-direction: column;
    gap: 0.35rem;
    align-items: flex-start;
  }

  .categories-grid {
    grid-template-columns: repeat(auto-fill, minmax(135px, 1fr));
    gap: 0.85rem;
  }

  .category-card {
    padding: 1rem 0.6rem;
  }

  .category-icon {
    width: 46px;
    height: 46px;
    font-size: 1.2rem;
  }

  .category-name {
    font-size: 0.9rem;
  }

  .stores-bar {
    grid-template-columns: repeat(auto-fill, minmax(85px, 1fr));
    gap: 0.75rem;
  }

  .store-pill {
    padding: 0.75rem 0.4rem;
  }

  .store-pill-name {
    font-size: 0.8rem;
  }

  .coupons-grid, .blog-grid {
    grid-template-columns: 1fr;
  }

  .footer-grid {
    grid-template-columns: 1fr;
  }

  .header-search {
    display: none;
  }

  .section-title {
    margin-bottom: 1.75rem;
  }

  .section-title h2 {
    font-size: 1.5rem;
  }

  .sub-nav-inner {
    gap: 1rem;
    padding: 0.5rem 0.25rem;
  }

  .sub-nav-link {
    font-size: 0.8rem;
  }

  .container {
    padding: 0 1rem;
  }

  .newsletter-section {
    padding: 2rem 1.25rem;
    border-radius: var(--radius-md);
  }

  .newsletter-section h2 {
    font-size: 1.5rem;
  }

  .newsletter-form {
    flex-direction: column;
    gap: 0.75rem;
  }

  .newsletter-form input {
    width: 100%;
  }
}

@media (max-width: 576px) {
  h1, .hero-title, .article-title {
    font-size: 1.55rem !important;
  }

  h2 {
    font-size: 1.25rem !important;
  }

  h3 {
    font-size: 1.1rem !important;
  }

  .hero-section {
    padding: 2rem 0;
  }

  .footer-bottom {
    flex-direction: column;
    text-align: center;
    gap: 0.75rem;
  }
}