:root {
  --primary: #0f172a;
  --primary-light: #1e293b;
  --accent: #2563eb;
  --accent-hover: #1d4ed8;
  --accent-light: #eff6ff;
  --text-main: #0f172a;
  --text-body: #334155;
  --text-muted: #64748b;
  --bg-page: #f8fafc;
  --card-bg: #ffffff;
  --border-color: #e2e8f0;
  --radius: 12px;
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.05);
  --shadow-md: 0 10px 25px -5px rgba(0,0,0,0.06), 0 8px 10px -6px rgba(0,0,0,0.04);
}

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

body {
  font-family: 'Plus Jakarta Sans', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background-color: var(--bg-page);
  color: var(--text-body);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

a {
  color: inherit;
  text-decoration: none;
  transition: color 0.15s ease;
}

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

/* Disclosure Bar */
.top-notice {
  background: #0f172a;
  color: #94a3b8;
  font-size: 0.78rem;
  padding: 8px 16px;
  text-align: center;
  border-bottom: 1px solid #1e293b;
}
.top-notice a {
  color: #60a5fa;
  text-decoration: underline;
}

/* Header */
header {
  background: #ffffff;
  border-bottom: 1px solid var(--border-color);
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: var(--shadow-sm);
}

.header-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 16px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  display: flex;
  align-items: center;
  text-decoration: none;
}
.site-logo-img {
  height: 50px;
  width: auto;
  max-width: 140px;
  object-fit: contain;
  border-radius: 8px;
  box-shadow: 0 4px 12px rgba(15, 23, 42, 0.2);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.site-logo-img:hover {
  transform: translateY(-1px) scale(1.03);
  box-shadow: 0 6px 16px rgba(15, 23, 42, 0.3);
}

.nav-links {
  display: flex;
  gap: 28px;
  font-weight: 600;
  font-size: 0.95rem;
}
.nav-links a:hover {
  color: var(--accent);
}

.header-btn {
  background: var(--accent);
  color: #fff;
  padding: 9px 20px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.88rem;
  transition: background 0.2s;
}
.header-btn:hover {
  background: var(--accent-hover);
}

/* Main Container */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 48px 24px;
}

/* Hero */
.hero {
  text-align: center;
  max-width: 860px;
  margin: 10px auto 55px auto;
}
.hero-badge {
  display: inline-block;
  background: var(--accent-light);
  color: var(--accent);
  font-weight: 700;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 6px 14px;
  border-radius: 999px;
  margin-bottom: 16px;
}
.hero h1 {
  font-size: 3rem;
  font-weight: 800;
  letter-spacing: -0.04em;
  line-height: 1.15;
  color: var(--primary);
  margin-bottom: 18px;
}
.hero p {
  font-size: 1.2rem;
  color: var(--text-muted);
}

/* Article Cards Grid */
.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
  gap: 32px;
  margin-bottom: 60px;
}

.card {
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: transform 0.2s, box-shadow 0.2s;
}
.card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.card-img {
  position: relative;
  height: 220px;
  overflow: hidden;
  background: #e2e8f0;
}
.card-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.3s ease;
}
.card:hover .card-img img {
  transform: scale(1.03);
}

.card-badge {
  position: absolute;
  top: 14px;
  left: 14px;
  background: rgba(15, 23, 42, 0.9);
  color: #fff;
  font-size: 0.75rem;
  font-weight: 700;
  padding: 4px 10px;
  border-radius: 6px;
  backdrop-filter: blur(4px);
}

.card-body {
  padding: 26px;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.card-meta {
  font-size: 0.82rem;
  color: var(--text-muted);
  margin-bottom: 10px;
}

.card-title {
  font-size: 1.3rem;
  font-weight: 700;
  line-height: 1.35;
  color: var(--primary);
  margin-bottom: 12px;
}

.card-desc {
  font-size: 0.95rem;
  color: var(--text-muted);
  margin-bottom: 22px;
  flex: 1;
}

.card-cta {
  font-weight: 700;
  color: var(--accent);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.95rem;
}

/* Trust Section */
.trust-box {
  background: #ffffff;
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  padding: 44px 32px;
  margin-bottom: 60px;
}
.trust-heading {
  text-align: center;
  font-size: 1.8rem;
  font-weight: 800;
  color: var(--primary);
  margin-bottom: 32px;
}
.trust-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 28px;
  text-align: center;
}
.trust-icon {
  font-size: 2rem;
  margin-bottom: 12px;
}
.trust-grid h4 {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 8px;
}
.trust-grid p {
  font-size: 0.92rem;
  color: var(--text-muted);
}

/* Article Single Layout */
.article-wrap {
  max-width: 860px;
  margin: 30px auto;
  padding: 0 20px;
}
.article-header {
  margin-bottom: 32px;
}
.article-category {
  color: var(--accent);
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.article-header h1 {
  font-size: 2.6rem;
  line-height: 1.25;
  font-weight: 800;
  color: var(--primary);
  margin: 12px 0 16px 0;
}
.article-info {
  display: flex;
  align-items: center;
  gap: 16px;
  font-size: 0.9rem;
  color: var(--text-muted);
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 24px;
}
.lead-quote {
  background: var(--accent-light);
  border-left: 4px solid var(--accent);
  padding: 20px 24px;
  border-radius: 0 var(--radius) var(--radius) 0;
  font-size: 1.1rem;
  color: #1e3a8a;
  margin-bottom: 36px;
  line-height: 1.7;
}

.prose p {
  font-size: 1.12rem;
  line-height: 1.8;
  color: #334155;
  margin-bottom: 24px;
}
.prose h2 {
  font-size: 1.8rem;
  font-weight: 800;
  color: var(--primary);
  margin: 44px 0 18px 0;
}
.prose h3 {
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--primary);
  margin: 28px 0 14px 0;
}

/* Product Card in Article */
.product-box {
  background: #ffffff;
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  padding: 28px;
  margin: 36px 0;
  box-shadow: var(--shadow-sm);
}
.product-pill {
  display: inline-block;
  background: #dbeafe;
  color: #1e40af;
  font-size: 0.75rem;
  font-weight: 700;
  padding: 4px 10px;
  border-radius: 4px;
  margin-bottom: 12px;
  text-transform: uppercase;
}
.product-box h3 {
  font-size: 1.5rem;
  margin-top: 0;
  margin-bottom: 12px;
}
.pros-cons-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin: 24px 0;
  background: #f8fafc;
  padding: 20px;
  border-radius: 8px;
}
.pros-col h4 { color: #15803d; font-size: 0.95rem; margin-bottom: 8px; }
.cons-col h4 { color: #b91c1c; font-size: 0.95rem; margin-bottom: 8px; }
.pros-cons-grid ul { list-style: disc inside; font-size: 0.92rem; color: #475569; }

.btn-merchant {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--accent);
  color: #ffffff;
  padding: 13px 26px;
  border-radius: 8px;
  font-weight: 700;
  font-size: 0.95rem;
  transition: background 0.2s;
}
.btn-merchant:hover {
  background: var(--accent-hover);
}

/* Legal Pages */
.legal-content {
  max-width: 860px;
  margin: 40px auto;
  background: #ffffff;
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  padding: 48px;
}
.legal-content h1 {
  font-size: 2.2rem;
  color: var(--primary);
  margin-bottom: 12px;
}
.legal-content .last-updated {
  font-size: 0.88rem;
  color: var(--text-muted);
  margin-bottom: 30px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--border-color);
}
.legal-content h2 {
  font-size: 1.4rem;
  color: var(--primary);
  margin: 28px 0 12px 0;
}
.legal-content p, .legal-content ul {
  margin-bottom: 18px;
  color: #334155;
  font-size: 1rem;
}
.legal-content ul {
  padding-left: 20px;
}

/* Footer */
footer {
  background: #0f172a;
  color: #94a3b8;
  padding: 60px 24px 36px 24px;
  font-size: 0.92rem;
  border-top: 1px solid #1e293b;
  margin-top: 60px;
}
.footer-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 36px;
  margin-bottom: 44px;
}
.footer-col h5 {
  color: #fff;
  font-size: 1.05rem;
  margin-bottom: 16px;
  font-weight: 700;
}
.footer-col p {
  line-height: 1.7;
}
.footer-col ul {
  list-style: none;
}
.footer-col ul li {
  margin-bottom: 10px;
}
.footer-col ul li a:hover {
  color: #ffffff;
}
.footer-bar {
  max-width: 1200px;
  margin: 0 auto;
  padding-top: 28px;
  border-top: 1px solid #1e293b;
  font-size: 0.82rem;
  display: flex;
  flex-direction: column;
  gap: 12px;
  text-align: center;
}

@media (max-width: 768px) {
  .hero h1 { font-size: 2.1rem; }
  .header-inner { flex-wrap: wrap; gap: 14px; }
  .nav-links { display: none; }
  .footer-inner { grid-template-columns: 1fr; }
  .pros-cons-grid { grid-template-columns: 1fr; }
  .legal-content { padding: 24px; }
}

/* Product Detail Modal & Mobile Optimization */
.product-modal-card {
  background: #ffffff;
  border-radius: 20px;
  max-width: 650px;
  width: 92%;
  max-height: 90vh;
  overflow-y: auto;
  padding: 32px 28px;
  position: relative;
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
  animation: modalFadeIn 0.2s ease-out;
}
@keyframes modalFadeIn {
  from { opacity: 0; transform: translateY(15px); }
  to { opacity: 1; transform: translateY(0); }
}
.product-modal-body {
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.product-modal-img {
  width: 100%;
  height: 320px;
  object-fit: cover;
  border-radius: 14px;
  background: #f1f5f9;
}
.btn-card-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
  margin-top: 10px;
}
.btn-details {
  background: #f1f5f9;
  color: #334155;
  border: 1px solid #cbd5e1;
  padding: 12px 14px;
  border-radius: 10px;
  font-weight: 700;
  font-size: 0.85rem;
  cursor: pointer;
  text-align: center;
  transition: all 0.15s;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
}
.btn-details:hover {
  background: #e2e8f0;
  color: #0f172a;
}
.btn-buy-walmart {
  background: #0071dc;
  color: #ffffff !important;
  padding: 12px 14px;
  border-radius: 10px;
  font-weight: 800;
  font-size: 0.88rem;
  text-decoration: none;
  text-align: center;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  box-shadow: 0 4px 12px rgba(0, 113, 220, 0.3);
  transition: background 0.15s, transform 0.15s;
}
.btn-buy-walmart:hover {
  background: #005bb5;
  transform: translateY(-1px);
}

@media (max-width: 640px) {
  .product-grid {
    grid-template-columns: 1fr !important;
    gap: 18px !important;
  }
  .search-box-row {
    grid-template-columns: 1fr !important;
    gap: 10px !important;
  }
  .card-thumb {
    height: 250px !important;
  }
  .btn-card-row {
    grid-template-columns: 1fr !important;
    gap: 10px !important;
  }
  .catalog-hero {
    padding: 35px 16px !important;
  }
  .catalog-hero h1 {
    font-size: 1.8rem !important;
  }
  .catalog-hero p {
    font-size: 0.92rem !important;
  }
  .product-modal-card {
    padding: 22px 16px !important;
    width: 95% !important;
  }
  .product-modal-img {
    height: 230px !important;
  }
  .category-pills-bar {
    padding-bottom: 8px;
  }
  .pill {
    padding: 8px 14px;
    font-size: 0.82rem;
  }
}