/* ============================================
   ChargeCompared.com — Clean Tech Comparison
   ============================================ */

@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@500;600;700;800&family=DM+Sans:wght@400;500;600&family=JetBrains+Mono:wght@400;500&display=swap');

/* --- Design Tokens --- */
:root {
  --bg-primary: #F7F9FC;
  --bg-secondary: #EEF2F7;
  --bg-card: #FFFFFF;
  --bg-card-hover: #FAFBFF;
  --border: #D5DCE6;
  --border-accent: rgba(37,99,235,0.2);
  --text-primary: #0F172A;
  --text-secondary: #475569;
  --text-muted: #94A3B8;
  --accent: #2563EB;
  --accent-dim: rgba(37,99,235,0.08);
  --accent-glow: rgba(37,99,235,0.15);
  --teal: #0891B2;
  --cta-gradient: linear-gradient(135deg, #2563EB, #0891B2);
  --warning: #F59E0B;
  --danger: #EF4444;
  --winner-bg: rgba(5,150,105,0.07);
  --winner-border: rgba(5,150,105,0.25);
  --font-display: 'Outfit', sans-serif;
  --font-body: 'DM Sans', sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
  --radius: 8px;
  --radius-lg: 14px;
  --transition: 0.25s ease;
  --max-width: 1200px;
  --gutter: clamp(1rem, 4vw, 2rem);
}

/* --- Reset & Base --- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  font-family: var(--font-body);
  font-weight: 400;
  color: var(--text-primary);
  background: var(--bg-primary);
  line-height: 1.65;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--accent); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--teal); }
a:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; border-radius: 3px; }
button:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; }
ul, ol { list-style: none; }

/* --- Utilities --- */
.container { max-width: var(--max-width); margin: 0 auto; padding: 0 var(--gutter); }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); border: 0; }
.reveal { opacity: 0; transform: translateY(24px); transition: opacity 0.7s ease, transform 0.7s ease; }
.reveal.visible { opacity: 1; transform: translateY(0); }
.mono { font-family: var(--font-mono); }

/* --- Typography --- */
h1, h2, h3, h4 { font-family: var(--font-display); font-weight: 800; line-height: 1.15; letter-spacing: -0.02em; }
h1 { font-size: clamp(2rem, 5vw, 3.5rem); }
h2 { font-size: clamp(1.5rem, 3vw, 2rem); margin-top: 3rem; margin-bottom: 1rem; }
h3 { font-size: clamp(1.15rem, 2vw, 1.4rem); margin-top: 2rem; margin-bottom: 0.75rem; font-weight: 700; }
p { margin-bottom: 1rem; color: var(--text-secondary); }
strong { color: var(--text-primary); font-weight: 600; }

/* --- Label / Badge --- */
.label {
  display: inline-block;
  font-family: var(--font-body);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  background: var(--accent-dim);
  padding: 0.3em 0.9em;
  border-radius: 50px;
  border: 1px solid rgba(37,99,235,0.15);
}

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.95rem;
  padding: 0.8em 1.8em;
  border-radius: 50px;
  border: none;
  cursor: pointer;
  transition: all var(--transition);
  text-decoration: none;
}
.btn-primary {
  background: var(--cta-gradient);
  color: #FFFFFF;
  box-shadow: 0 4px 20px var(--accent-glow);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 30px rgba(37,99,235,0.3);
  color: #FFFFFF;
}
.btn-secondary {
  background: transparent;
  color: var(--text-primary);
  border: 2px solid var(--border);
}
.btn-secondary:hover { border-color: var(--accent); color: var(--accent); }
.btn-sm { font-size: 0.82rem; padding: 0.5em 1.2em; }

/* ============ NAVIGATION ============ */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: 0.9rem 0;
  transition: background var(--transition), box-shadow var(--transition);
}
.nav.scrolled {
  background: rgba(247,249,252,0.9);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  box-shadow: 0 1px 8px rgba(0,0,0,0.06);
}
.nav-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--gutter);
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.logo {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.25rem;
  display: flex;
  align-items: center;
  gap: 0.15em;
  color: var(--text-primary);
}
.logo .mark { color: var(--accent); }
.logo svg { width: 20px; height: 20px; margin: 0 0.1em; }
.nav-links { display: flex; gap: 2rem; align-items: center; }
.nav-links a {
  font-size: 0.82rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-muted);
  transition: color var(--transition);
}
.nav-links a:hover { color: var(--text-primary); }
.hamburger {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
}
.hamburger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--text-primary);
  margin: 5px 0;
  transition: all 0.3s ease;
  border-radius: 2px;
}
.hamburger.active span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.hamburger.active span:nth-child(2) { opacity: 0; }
.hamburger.active span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }
.mobile-menu {
  display: none;
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  background: rgba(247,249,252,0.98);
  backdrop-filter: blur(20px);
  z-index: 99;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2rem;
}
.mobile-menu.open { display: flex; }
.mobile-menu a {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-primary);
}

/* ============ HERO ============ */
.hero {
  min-height: 85vh;
  display: flex;
  align-items: center;
  padding: 8rem 0 4rem;
  position: relative;
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    linear-gradient(rgba(37,99,235,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(37,99,235,0.04) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse at 60% 50%, black 20%, transparent 70%);
  -webkit-mask-image: radial-gradient(ellipse at 60% 50%, black 20%, transparent 70%);
}
.hero-content { position: relative; z-index: 1; max-width: 680px; }
.hero h1 { margin: 1rem 0; }
.hero h1 .accent { color: var(--accent); }
.hero p { font-size: 1.1rem; margin-bottom: 2rem; max-width: 560px; }
.hero-actions { display: flex; gap: 1rem; flex-wrap: wrap; align-items: center; }
.hero-glow {
  position: absolute;
  right: -5%;
  top: 20%;
  width: 500px;
  height: 500px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(37,99,235,0.06) 0%, transparent 70%);
  pointer-events: none;
}

/* ============ STATS BAR ============ */
.stats-bar {
  background: var(--bg-card);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  position: relative;
}
.stats-bar::before {
  content: '';
  position: absolute;
  top: 0;
  left: 10%;
  right: 10%;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--accent), transparent);
  opacity: 0.2;
}
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  text-align: center;
  padding: 1.5rem 0;
}
.stat-item { padding: 0.5rem 1rem; }
.stat-number {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.6rem;
  color: var(--accent);
  line-height: 1.2;
}
.stat-label { font-size: 0.78rem; color: var(--text-muted); margin-top: 0.2rem; }

/* ============ SECTION ============ */
.section { padding: 5rem 0; }
.section-header { margin-bottom: 2.5rem; }
.section-title {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.4rem, 3vw, 1.8rem);
  display: flex;
  align-items: center;
  gap: 0.75rem;
}
.section-title::after {
  content: '';
  flex: 1;
  height: 1px;
  background: linear-gradient(90deg, var(--border), transparent);
}

/* ============ COMPARISON CARDS ============ */
.cards-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); gap: 1.5rem; }
.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.8rem;
  transition: all var(--transition);
}
.card:hover {
  border-color: var(--border-accent);
  transform: translateY(-3px);
  box-shadow: 0 8px 30px rgba(0,0,0,0.3);
}
.card-badge { margin-bottom: 1rem; }
.card h3 { margin-top: 0; font-size: 1.15rem; color: var(--text-primary); }
.card p { font-size: 0.9rem; }
.card-tags { display: flex; flex-wrap: wrap; gap: 0.5rem; margin: 1rem 0; }
.card-tag {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  background: var(--bg-primary);
  border: 1px solid var(--border);
  padding: 0.25em 0.6em;
  border-radius: 4px;
  color: var(--text-secondary);
}
.card-link {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--accent);
  margin-top: 0.5rem;
}
.card-link:hover { gap: 0.6rem; }

/* ============ COMPARISON TABLE ============ */
.table-wrap {
  overflow-x: auto;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  background: var(--bg-card);
  -webkit-overflow-scrolling: touch;
}
.comp-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.88rem;
  white-space: nowrap;
}
.comp-table thead { background: var(--bg-secondary); }
.comp-table th {
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  padding: 1rem 1.2rem;
  text-align: left;
  border-bottom: 1px solid var(--border);
  cursor: pointer;
  user-select: none;
  transition: color var(--transition);
  position: relative;
}
.comp-table th:hover { color: var(--accent); }
.comp-table th .sort-icon { font-size: 0.65rem; margin-left: 0.3rem; opacity: 0.4; }
.comp-table th.sorted .sort-icon { opacity: 1; color: var(--accent); }
.comp-table td {
  padding: 0.9rem 1.2rem;
  border-bottom: 1px solid #EEF2F7;
  color: var(--text-secondary);
  font-family: var(--font-mono);
  font-size: 0.82rem;
}
.comp-table td:first-child {
  font-family: var(--font-body);
  font-weight: 600;
  color: var(--text-primary);
  position: sticky;
  left: 0;
  background: var(--bg-card);
  z-index: 2;
}
.comp-table tbody tr { transition: background var(--transition); }
.comp-table tbody tr:nth-child(even) { background: #F8FAFD; }
.comp-table tbody tr:nth-child(even) td:first-child { background: #F8FAFD; }
.comp-table tbody tr:hover { background: rgba(37,99,235,0.04); }
.comp-table tbody tr:hover td:first-child { background: rgba(245,248,255,0.97); }
td.winner {
  color: var(--accent) !important;
  font-weight: 500;
}
/* Non-sticky winner cells get transparent highlight */
td.winner:not(:last-child):not(:nth-last-child(2)) {
  background: var(--winner-bg) !important;
}
/* Sticky Price + Link columns (always visible — this is how we earn) */
.comp-table th:last-child,
.comp-table td:last-child {
  position: sticky;
  right: 0;
  z-index: 3;
  background: #FFFFFF;
  box-shadow: -4px 0 8px rgba(0,0,0,0.04);
}
.comp-table th:nth-last-child(2),
.comp-table td:nth-last-child(2) {
  position: sticky;
  right: 72px;
  z-index: 3;
  background: #FFFFFF;
}
/* Winner cells in sticky columns get solid opaque background */
.comp-table td.winner:last-child,
.comp-table td.winner:nth-last-child(2) {
  background: #E8F5EC !important;
}
.comp-table tbody tr:nth-child(even) td:last-child,
.comp-table tbody tr:nth-child(even) td:nth-last-child(2) { background: #F8FAFD; }
.comp-table tbody tr:nth-child(even) td.winner:last-child,
.comp-table tbody tr:nth-child(even) td.winner:nth-last-child(2) { background: #E5F2E9 !important; }
.comp-table tbody tr:hover td:last-child,
.comp-table tbody tr:hover td:nth-last-child(2) { background: #F0F4FF; }

td .view-link {
  font-family: var(--font-body);
  font-size: 0.78rem;
  font-weight: 600;
  color: #fff;
  background: var(--cta-gradient);
  padding: 0.4em 1em;
  border-radius: 50px;
  transition: all var(--transition);
  white-space: nowrap;
  border: none;
}
td .view-link:hover { transform: scale(1.05); color: #fff; }

/* ============ CTA SECTION ============ */
.cta-section {
  background: linear-gradient(135deg, #0F172A, #1E3A5F);
  border-radius: var(--radius-lg);
  padding: 3.5rem;
  text-align: center;
  border: none;
  position: relative;
  overflow: hidden;
  color: #E2E8F0;
}
.cta-section h2 { color: #FFFFFF; }
.cta-section p { color: #CBD5E1; }
.cta-section::before {
  content: '';
  position: absolute;
  top: 0; left: 30%; right: 30%;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--accent), transparent);
  opacity: 0.4;
}
.cta-section h2 { margin-top: 0; }

/* ============ NEWSLETTER ============ */
.newsletter { padding: 4rem 0; }
.newsletter-box {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 3rem;
  text-align: center;
  max-width: 560px;
  margin: 0 auto;
}
.newsletter-form { display: flex; gap: 0.75rem; margin-top: 1.5rem; }
.newsletter-form input {
  flex: 1;
  padding: 0.75em 1.2em;
  background: #FFFFFF;
  border: 1px solid var(--border);
  border-radius: 50px;
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 0.9rem;
}
.newsletter-form input:focus { outline: none; border-color: var(--accent); }
.newsletter-form input::placeholder { color: var(--text-muted); }
.newsletter-note { font-size: 0.75rem; color: var(--text-muted); margin-top: 0.75rem; }

/* ============ FOOTER ============ */
.footer {
  background: #0F172A;
  padding: 3rem 0 2rem;
  font-size: 0.82rem;
  color: #94A3B8;
}
.footer .logo { color: #E2E8F0; }
.footer .footer-brand p { color: #64748B; }
.footer .footer-links a { color: #94A3B8; }
.footer .footer-links a:hover { color: #FFFFFF; }
.footer .footer-bottom { color: #64748B; border-top-color: rgba(255,255,255,0.08); }
.footer .footer-bottom a { color: #94A3B8; }
.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 2rem;
  flex-wrap: wrap;
}
.footer-brand { max-width: 320px; }
.footer-brand p { font-size: 0.82rem; margin-top: 0.75rem; }
.footer-links { display: flex; gap: 2rem; }
.footer-links a { color: var(--text-muted); font-size: 0.82rem; }
.footer-links a:hover { color: var(--accent); }
.footer-bottom {
  margin-top: 2rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
  font-size: 0.75rem;
}

/* ============ ARTICLE PAGE ============ */
.article-header { padding: 7rem 0 2rem; }
.breadcrumb { font-size: 0.78rem; color: var(--text-muted); margin-bottom: 1rem; }
.breadcrumb a { color: var(--text-muted); }
.breadcrumb a:hover { color: var(--accent); }
.article-meta { font-size: 0.82rem; color: var(--text-muted); margin-top: 1rem; }
.article-disclosure {
  font-size: 0.8rem;
  color: var(--text-muted);
  background: var(--accent-dim);
  border-left: 3px solid var(--accent);
  padding: 0.8rem 1.2rem;
  border-radius: 0 var(--radius) var(--radius) 0;
  margin: 1.5rem 0;
}
.article-layout {
  display: grid;
  grid-template-columns: 1fr 240px;
  gap: 3rem;
  align-items: start;
}
.article-body { min-width: 0; }
.article-body p { font-size: 0.95rem; line-height: 1.7; }

/* --- Sticky TOC Sidebar --- */
.toc {
  position: sticky;
  top: 5rem;
  font-size: 0.8rem;
}
.toc-title {
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-muted);
  margin-bottom: 1rem;
}
.toc a {
  display: block;
  padding: 0.4em 0;
  padding-left: 1rem;
  color: var(--text-muted);
  border-left: 2px solid var(--border);
  transition: all var(--transition);
}
.toc a:hover, .toc a.active {
  color: var(--accent);
  border-left-color: var(--accent);
}

/* --- Verdict Cards --- */
.verdict-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 1.2rem; margin: 2rem 0; }
.verdict-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem;
}
.verdict-card .verdict-label {
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--accent);
  margin-bottom: 0.5rem;
}
.verdict-card h3 { font-size: 1.05rem; margin: 0 0 0.5rem; }
.verdict-card p { font-size: 0.85rem; margin-bottom: 1rem; }

/* --- Use-Case Recommendations --- */
.rec-list { margin: 1.5rem 0; }
.rec-item {
  display: flex;
  gap: 1rem;
  padding: 1rem 0;
  border-bottom: 1px solid var(--border);
  align-items: baseline;
}
.rec-item:last-child { border-bottom: none; }
.rec-label {
  font-size: 0.82rem;
  color: var(--text-muted);
  min-width: 200px;
  flex-shrink: 0;
}
.rec-value { font-weight: 600; color: var(--text-primary); }

/* --- FAQ --- */
.faq-item { border-bottom: 1px solid var(--border); padding: 1.2rem 0; }
.faq-q {
  font-weight: 600;
  color: var(--text-primary);
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.95rem;
}
.faq-q::after { content: '+'; font-size: 1.2rem; color: var(--accent); transition: transform 0.3s ease; }
.faq-item.open .faq-q::after { content: '−'; }
.faq-a {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease, padding 0.3s ease;
  font-size: 0.9rem;
  color: var(--text-secondary);
}
.faq-item.open .faq-a { max-height: 400px; padding-top: 0.8rem; }

/* --- Related Articles --- */
.related { padding: 4rem 0; border-top: 1px solid var(--border); margin-top: 3rem; }

/* ============ ABOUT / DISCLOSURE / CONTACT ============ */
.page-header { padding: 8rem 0 2rem; text-align: center; }
.page-content {
  max-width: 700px;
  margin: 0 auto;
  padding: 2rem var(--gutter) 5rem;
}
.page-content p { font-size: 0.95rem; line-height: 1.75; }
.page-content h2 { font-size: 1.3rem; }

/* --- Contact Form --- */
.form-group { margin-bottom: 1.2rem; }
.form-group label {
  display: block;
  font-size: 0.82rem;
  font-weight: 500;
  color: var(--text-secondary);
  margin-bottom: 0.4rem;
}
.form-group input, .form-group textarea {
  width: 100%;
  padding: 0.75em 1em;
  background: #FFFFFF;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 0.9rem;
  transition: border-color var(--transition);
}
.form-group input:focus, .form-group textarea:focus { outline: none; border-color: var(--accent); }
.form-group textarea { resize: vertical; min-height: 140px; }

/* --- 404 --- */
.page-404 {
  min-height: 80vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 2rem;
}
.page-404 .big-code {
  font-family: var(--font-display);
  font-size: clamp(5rem, 15vw, 10rem);
  font-weight: 800;
  color: var(--accent);
  opacity: 0.15;
  line-height: 1;
}

/* ============ RESPONSIVE ============ */
@media (max-width: 1024px) {
  .article-layout { grid-template-columns: 1fr; }
  .toc { display: none; }
}
@media (max-width: 768px) {
  .nav-links { display: none; }
  .hamburger { display: block; }
  .hero { min-height: auto; padding: 7rem 0 3rem; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .cards-grid { grid-template-columns: 1fr; }
  .hero-actions { flex-direction: column; align-items: stretch; }
  .hero-actions .btn { text-align: center; justify-content: center; }
  .cta-section { padding: 2.5rem 1.5rem; }
  .newsletter-form { flex-direction: column; }
  .footer-inner { flex-direction: column; }
  .footer-bottom { flex-direction: column; }
  .rec-item { flex-direction: column; gap: 0.3rem; }
  .rec-label { min-width: auto; }
  .verdict-grid { grid-template-columns: 1fr; }
}

/* --- Print --- */
@media print {
  .nav, .footer, .newsletter, .hero-glow, .cta-section { display: none; }
  body { background: #fff; }
  .comp-table td, .comp-table th { border: 1px solid #ccc; }
}

/* --- Byline (author attribution) --- */
.byline {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin: 0.75rem 0 1rem;
  display: flex;
  gap: 0.5rem;
  align-items: center;
  flex-wrap: wrap;
}
.byline a { color: var(--accent); font-weight: 500; }
.byline a:hover { text-decoration: underline; }
.byline-sep { opacity: 0.5; }
.byline time { color: var(--text-muted); }

/* Live Amazon rating badge (populated by scripts/refresh-amazon-prices.py) */
.amzn-rating {
  display: block;
  margin-top: 0.5rem;
  font-size: 0.85rem;
  color: #6b7280;
  line-height: 1.4;
}
.verdict-card .amzn-rating {
  text-align: center;
}

/* Disabled affiliate link (auto-managed by refresh-amazon-prices.py) */
.unavailable-link {
  display: inline-block;
  padding: 0.5rem 0.85rem;
  background: #f3f4f6;
  color: #6b7280;
  border-radius: 6px;
  font-size: 0.85rem;
  font-weight: 500;
  cursor: not-allowed;
  user-select: none;
}
/* ============================================
   Affiliate conversion components
   Added 2026-05-23 — applies to all 4 sites
   ============================================ */

/* --- Top Picks product grid (homepage) --- */
.product-grid-section { padding: 3rem 0; }
.product-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}
@media (max-width: 768px) { .product-grid { grid-template-columns: 1fr; } }
.product-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.25rem;
  display: flex;
  flex-direction: column;
  transition: transform 0.18s ease, box-shadow 0.18s ease, border-color 0.18s ease;
}
.product-card:hover { transform: translateY(-2px); box-shadow: 0 12px 28px rgba(15,23,42,0.08); border-color: var(--accent); }
.product-card .product-image-wrap {
  aspect-ratio: 4 / 3;
  background: var(--bg-secondary, #f3f4f6);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1rem;
  overflow: hidden;
}
.product-card .product-image-wrap img {
  max-width: 80%;
  max-height: 80%;
  object-fit: contain;
}
.product-card h3 {
  margin-top: 0;
  margin-bottom: 0.35rem;
  font-size: 1.05rem;
  line-height: 1.3;
}
.product-card .product-spec {
  color: var(--text-secondary);
  font-size: 0.92rem;
  margin-bottom: 0.5rem;
  flex-grow: 1;
}
.product-card .product-rating {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  font-size: 0.85rem;
  color: var(--text-secondary);
  margin-bottom: 0.85rem;
}
.product-card .product-rating .stars { color: #f59e0b; letter-spacing: 1px; }
.product-card .product-actions {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}
.product-card .product-actions .btn {
  width: 100%;
  justify-content: center;
  padding: 0.7em 1em;
  font-size: 0.9rem;
}

/* --- Article product-block (image + content) --- */
.product-block {
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: 1.25rem;
  padding: 1.5rem 0;
  border-bottom: 1px solid var(--border);
  align-items: start;
}
.product-block:last-child { border-bottom: none; }
.product-block img {
  width: 100%;
  height: auto;
  border-radius: var(--radius);
  background: var(--bg-secondary, #f3f4f6);
  max-width: 200px;
}
.product-block h3 { margin-top: 0; }
.product-block .btn { margin-top: 0.5rem; }
@media (max-width: 640px) {
  .product-block { grid-template-columns: 1fr; }
  .product-block img { max-width: 140px; margin: 0 auto; }
}

/* --- Quick Picks callout box --- */
.quick-picks {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-left: 4px solid var(--accent);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  margin: 1.5rem 0 2rem;
}
.quick-picks h2 {
  margin-top: 0 !important;
  margin-bottom: 0.5rem !important;
  font-size: 1.4rem !important;
}
.quick-picks .qp-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
  margin-top: 1rem;
}
@media (max-width: 768px) { .quick-picks .qp-grid { grid-template-columns: 1fr; } }
.quick-pick {
  background: var(--bg-primary);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1rem;
  display: flex;
  flex-direction: column;
}
.quick-pick .qp-label {
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 0.5rem;
}
.quick-pick img {
  width: 90px;
  height: 90px;
  object-fit: contain;
  margin: 0.5rem auto 0.75rem;
  background: var(--bg-secondary, #fff);
  border-radius: var(--radius);
}
.quick-pick h3 {
  margin: 0 0 0.4rem !important;
  font-size: 1rem !important;
  text-align: center;
}
.quick-pick p {
  font-size: 0.88rem;
  line-height: 1.5;
  flex-grow: 1;
  text-align: center;
  margin-bottom: 0.85rem;
}
.quick-pick .btn {
  width: 100%;
  justify-content: center;
  padding: 0.55em 1em;
  font-size: 0.85rem;
}

/* --- Sticky bottom-of-viewport mobile CTA --- */
.sticky-cta {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 90;
  padding: 0.6rem 1rem;
  background: var(--bg-card);
  border-top: 1px solid var(--border);
  box-shadow: 0 -6px 18px rgba(15,23,42,0.08);
  display: none;
}
.sticky-cta .sticky-cta-inner {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  max-width: 600px;
  margin: 0 auto;
}
.sticky-cta .sticky-cta-text {
  flex-grow: 1;
  font-size: 0.85rem;
  line-height: 1.3;
  color: var(--text-primary);
  font-weight: 600;
}
.sticky-cta .sticky-cta-text small {
  display: block;
  font-weight: 400;
  color: var(--text-muted);
  font-size: 0.75rem;
}
.sticky-cta .btn {
  flex-shrink: 0;
  padding: 0.65em 1.1em;
  font-size: 0.9rem;
}
@media (max-width: 768px) {
  .sticky-cta { display: block; }
  body.article-body-page { padding-bottom: 80px; }
}

/* --- Author Bio block --- */
.author-bio {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.25rem;
  margin: 1.5rem 0;
}
.author-bio .avatar {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  flex-shrink: 0;
  background: var(--cta-gradient);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-weight: 800;
  font-family: var(--font-display);
  font-size: 1.1rem;
  letter-spacing: 0.05em;
}
.author-bio .bio-content { flex-grow: 1; }
.author-bio .bio-name {
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 0.15rem;
}
.author-bio .bio-text {
  font-size: 0.92rem;
  line-height: 1.5;
  color: var(--text-secondary);
  margin-bottom: 0.4rem;
}
.author-bio .bio-links {
  font-size: 0.85rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

/* --- Newsletter form --- */
.newsletter-form {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  max-width: 480px;
}
.newsletter-form .nl-field {
  flex-grow: 1;
  min-width: 200px;
  padding: 0.7em 1em;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-family: var(--font-body);
  font-size: 0.95rem;
  background: var(--bg-card);
  color: var(--text-primary);
}
.newsletter-form .nl-field:focus { outline: 2px solid var(--accent); outline-offset: 1px; }
.newsletter-form button {
  padding: 0.7em 1.3em;
  border-radius: var(--radius);
  border: none;
  background: var(--cta-gradient);
  color: #fff;
  font-weight: 600;
  cursor: pointer;
  font-family: var(--font-body);
  font-size: 0.95rem;
}
.newsletter-form button:hover { filter: brightness(1.05); }
.newsletter-status {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-top: 0.5rem;
  min-height: 1.1em;
}
.newsletter-section {
  background: var(--bg-secondary);
  padding: 2rem 1.25rem;
  border-radius: var(--radius-lg);
  margin: 2rem 0;
}
.newsletter-section h3 {
  margin-top: 0 !important;
  font-size: 1.25rem !important;
}
.newsletter-section p {
  font-size: 0.95rem;
  margin-bottom: 1rem;
}

/* --- Related comparisons grid at end of article --- */
.related-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 1rem;
  margin-top: 1rem;
}
.related-grid .related-card {
  display: block;
  padding: 1rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text-primary);
  text-decoration: none;
  font-weight: 600;
  font-size: 0.95rem;
  line-height: 1.3;
  transition: border-color 0.15s ease, transform 0.15s ease;
}
.related-grid .related-card:hover { border-color: var(--accent); transform: translateY(-2px); color: var(--text-primary); }
.related-grid .related-card small {
  display: block;
  color: var(--text-muted);
  font-weight: 400;
  font-size: 0.78rem;
  margin-top: 0.25rem;
}

/* --- Comparisons index page --- */
.index-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1.25rem;
}
.index-card {
  display: flex;
  flex-direction: column;
  padding: 1.25rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  text-decoration: none;
  color: var(--text-primary);
  transition: transform 0.18s ease, border-color 0.18s ease, box-shadow 0.18s ease;
}
.index-card:hover { transform: translateY(-2px); border-color: var(--accent); box-shadow: 0 10px 24px rgba(15,23,42,0.06); color: var(--text-primary); }
.index-card .index-card-label {
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 0.4rem;
}
.index-card h3 {
  margin: 0 0 0.4rem !important;
  font-size: 1.1rem !important;
}
.index-card p {
  font-size: 0.9rem;
  line-height: 1.5;
  color: var(--text-secondary);
  margin-bottom: 0.75rem;
  flex-grow: 1;
}
.index-card .index-card-link {
  color: var(--accent);
  font-weight: 600;
  font-size: 0.85rem;
}