/* Advanced SEO & Retention CSS System for rankingrobotowsprzatajacych.pl (V2) */
:root {
  --font-primary: 'Inter', system-ui, -apple-system, sans-serif;
  --bg-main: #f8fafc;
  --bg-card: #ffffff;
  --text-main: #0f172a;
  --text-muted: #64748b;
  --color-primary: #4f46e5; /* Indigo */
  --color-primary-dark: #3730a3;
  --color-accent: #06b6d4; /* Cyan accent */
  --color-gold: #f59e0b;
  --color-success: #10b981;
  --color-danger: #ef4444;
  --border-color: #e2e8f0;
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.08), 0 2px 4px -2px rgba(0, 0, 0, 0.04);
  --shadow-lg: 0 10px 25px -5px rgba(0, 0, 0, 0.1), 0 8px 10px -6px rgba(0, 0, 0, 0.04);
  --shadow-hover: 0 20px 30px -10px rgba(79, 70, 229, 0.15);
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 20px;
}

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

body {
  font-family: var(--font-primary);
  background-color: var(--bg-main);
  color: var(--text-main);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a {
  color: inherit;
  text-decoration: none;
}

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

/* Sticky Navbar */
.navbar {
  background-color: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-color);
  position: sticky;
  top: 0;
  z-index: 1000;
}

.nav-container {
  max-width: 1240px;
  margin: 0 auto;
  padding: 0.85rem 1.5rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  font-size: 1.4rem;
  font-weight: 900;
  color: var(--text-main);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

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

.badge-eeat {
  background: rgba(16, 185, 129, 0.1);
  color: var(--color-success);
  font-size: 0.75rem;
  font-weight: 700;
  padding: 0.25rem 0.6rem;
  border-radius: 9999px;
  border: 1px solid rgba(16, 185, 129, 0.2);
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
}

.nav-links {
  display: flex;
  gap: 1.25rem;
  list-style: none;
}

.nav-links a {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-muted);
  transition: color 0.2s ease;
  padding: 0.4rem 0.75rem;
  border-radius: var(--radius-sm);
}

.nav-links a:hover, .nav-links a.active {
  color: var(--color-primary);
  background-color: rgba(79, 70, 229, 0.05);
}

/* Hero Section */
.hero {
  background: linear-gradient(180deg, #ffffff 0%, #f1f5f9 100%);
  padding: 4rem 1.5rem 3rem;
  border-bottom: 1px solid var(--border-color);
  text-align: center;
}

.hero-container {
  max-width: 900px;
  margin: 0 auto;
}

.hero h1 {
  font-size: 2.75rem;
  font-weight: 900;
  line-height: 1.2;
  letter-spacing: -0.02em;
  margin-bottom: 1rem;
}

.hero h1 span {
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero p {
  font-size: 1.15rem;
  color: var(--text-muted);
  max-width: 700px;
  margin: 0 auto 2rem;
}

/* Interactive Wizard / Quiz (Retention Booster #1) */
.quiz-box {
  background: #ffffff;
  border: 2px solid rgba(79, 70, 229, 0.2);
  border-radius: var(--radius-lg);
  padding: 2rem;
  box-shadow: var(--shadow-lg);
  max-width: 800px;
  margin: 0 auto;
  text-align: left;
}

.quiz-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.5rem;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid var(--border-color);
}

.quiz-title {
  font-size: 1.1rem;
  font-weight: 800;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.quiz-step-indicator {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--color-primary);
  background: rgba(79, 70, 229, 0.1);
  padding: 0.2rem 0.6rem;
  border-radius: 9999px;
}

.quiz-options {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1rem;

}

.quiz-opt-btn {
  background: #f8fafc;
  border: 1.5px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 1rem;
  cursor: pointer;
  text-align: center;
  transition: all 0.2s ease;
  font-weight: 600;
  font-size: 0.95rem;
}

.quiz-opt-btn:hover {
  border-color: var(--color-primary);
  background: rgba(79, 70, 229, 0.04);
  transform: translateY(-2px);
}

.quiz-opt-btn.selected {
  border-color: var(--color-primary);
  background: var(--color-primary);
  color: #ffffff;
  box-shadow: 0 4px 12px rgba(79, 70, 229, 0.3);
}

.quiz-result-box {
  display: none;
  background: linear-gradient(135deg, rgba(79, 70, 229, 0.05), rgba(6, 182, 212, 0.05));
  border: 1px solid rgba(79, 70, 229, 0.3);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  margin-top: 1.5rem;
  text-align: center;
  animation: fadeIn 0.4s ease;
}

.quiz-result-box h4 {
  font-size: 1.2rem;
  font-weight: 800;
  color: var(--color-primary-dark);
  margin-bottom: 0.5rem;
}

/* Comparison Matrix Table (SEO & Retention Booster #2) */
.matrix-section {
  max-width: 1240px;
  margin: 3rem auto;
  padding: 0 1.5rem;
}

.matrix-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  margin-bottom: 1.5rem;
  flex-wrap: wrap;
  gap: 1rem;
}

.matrix-title h2 {
  font-size: 1.8rem;
  font-weight: 900;
}

.matrix-controls {
  display: flex;
  gap: 0.75rem;
  align-items: center;
}

.sort-btn {
  background: #ffffff;
  border: 1px solid var(--border-color);
  padding: 0.4rem 0.8rem;
  border-radius: var(--radius-sm);
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s ease;
}

.sort-btn:hover, .sort-btn.active {
  background: var(--color-primary);
  color: #ffffff;
  border-color: var(--color-primary);
}

.table-wrapper {
  overflow-x: auto;
  background: #ffffff;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
}

.matrix-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 0.9rem;
}

.matrix-table th {
  background: #f8fafc;
  padding: 1rem 1.25rem;
  font-weight: 800;
  border-bottom: 2px solid var(--border-color);
  color: var(--text-main);
  white-space: nowrap;
}

.matrix-table td {
  padding: 1.25rem;
  border-bottom: 1px solid var(--border-color);
  vertical-align: middle;
}

.matrix-table tr:hover {
  background-color: rgba(79, 70, 229, 0.02);
}

.table-product-cell {
  display: flex;
  align-items: center;
  gap: 1rem;
  font-weight: 700;
}

.table-product-cell img {
  width: 50px;
  height: 50px;
  object-fit: contain;
}

.rating-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.2rem;
  background: rgba(245, 158, 11, 0.1);
  color: #d97706;
  font-weight: 800;
  padding: 0.2rem 0.5rem;
  border-radius: var(--radius-sm);
}

/* Product Cards Section */
.products-section {
  max-width: 1240px;
  margin: 4rem auto;
  padding: 0 1.5rem;
}

.product-card-v2 {
  background: #ffffff;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 2rem;
  margin-bottom: 2rem;
  box-shadow: var(--shadow-md);
  transition: all 0.3s ease;
  display: grid;
  grid-template-columns: 200px 1fr 240px;
  gap: 2rem;
  position: relative;
}

.product-card-v2:hover {
  box-shadow: var(--shadow-hover);
  border-color: rgba(79, 70, 229, 0.3);
}

.rank-ribbon {
  position: absolute;
  top: 1rem;
  left: 1rem;
  background: var(--color-primary);
  color: #ffffff;
  font-size: 0.8rem;
  font-weight: 800;
  padding: 0.25rem 0.75rem;
  border-radius: 9999px;
  box-shadow: 0 2px 8px rgba(79, 70, 229, 0.3);
}

.rank-ribbon.gold { background: linear-gradient(135deg, #f59e0b, #d97706); }
.rank-ribbon.silver { background: linear-gradient(135deg, #64748b, #475569); }
.rank-ribbon.bronze { background: linear-gradient(135deg, #b45309, #78350f); }

.card-img-wrap {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
}

.card-img-wrap img {
  max-height: 180px;
  object-fit: contain;
  transition: transform 0.3s ease;
}

.product-card-v2:hover .card-img-wrap img {
  transform: scale(1.05);
}

.card-info {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.card-title-row {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.card-title-row h3 {
  font-size: 1.5rem;
  font-weight: 800;
}

.social-proof-bar {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-top: 0.25rem;
}

.social-proof-bar span {
  color: var(--color-success);
  font-weight: 700;
}

.specs-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(130px, 1fr));
  gap: 0.5rem;
  margin: 0.5rem 0;
}

.spec-box {
  background: #f8fafc;
  padding: 0.5rem 0.75rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-color);
  font-size: 0.85rem;
}

.spec-box .label {
  font-size: 0.7rem;
  text-transform: uppercase;
  color: var(--text-muted);
  font-weight: 700;
  display: block;
}

.spec-box .val {
  font-weight: 700;
  color: var(--text-main);
}

.pros-cons-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  font-size: 0.85rem;
  margin-top: 0.5rem;
}

.pros-list, .cons-list { list-style: none; }
.pros-list li::before { content: "✓ "; color: var(--color-success); font-weight: bold; }
.cons-list li::before { content: "✕ "; color: var(--color-danger); font-weight: bold; }

.card-cta-box {
  border-left: 1px solid var(--border-color);
  padding-left: 1.5rem;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 1rem;
  text-align: center;
}

.price-tag {
  font-size: 1.8rem;
  font-weight: 900;
  color: var(--text-main);
}

.btn-cta {
  width: 100%;
  padding: 0.8rem 1.25rem;
  border-radius: var(--radius-md);
  font-weight: 800;
  font-size: 0.95rem;
  text-align: center;
  transition: all 0.2s ease;
  display: block;
}

.btn-cta-primary {
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
  color: #ffffff;
  box-shadow: 0 4px 14px rgba(79, 70, 229, 0.3);
}

.btn-cta-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(79, 70, 229, 0.45);
}

.btn-cta-secondary {
  background: #f8fafc;
  color: var(--text-main);
  border: 1px solid var(--border-color);
}

.btn-cta-secondary:hover {
  background: #e2e8f0;
}

/* Upvote / Helpful Button (Retention Booster #3) */
.helpful-vote {
  font-size: 0.8rem;
  color: var(--text-muted);
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  cursor: pointer;
  background: #f1f5f9;
  padding: 0.3rem 0.75rem;
  border-radius: 9999px;
  border: none;
  font-weight: 600;
  transition: all 0.2s ease;
}

.helpful-vote:hover {
  background: rgba(79, 70, 229, 0.1);
  color: var(--color-primary);
}

/* Responsive Grid Adjustments */
@media (max-width: 992px) {
  .product-card-v2 {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }
  .card-cta-box {
    border-left: none;
    border-top: 1px solid var(--border-color);
    padding-left: 0;
    padding-top: 1.5rem;
    flex-direction: row;
    justify-content: space-between;
  }
  .btn-cta { width: auto; min-width: 160px; }
}

/* Deal Alert / Retention Newsletter Section */
.deal-alert-box {
  background: linear-gradient(135deg, #0f172a, #1e1b4b);
  color: #ffffff;
  border-radius: var(--radius-lg);
  padding: 3rem 2rem;
  max-width: 1240px;
  margin: 4rem auto;
  text-align: center;
  box-shadow: var(--shadow-lg);
}

.deal-alert-box h3 {
  font-size: 2rem;
  font-weight: 900;
  margin-bottom: 0.75rem;
}

.deal-alert-box p {
  color: #94a3b8;
  max-width: 600px;
  margin: 0 auto 2rem;
}

.deal-form {
  display: flex;
  justify-content: center;
  gap: 0.75rem;
  max-width: 500px;
  margin: 0 auto;
  flex-wrap: wrap;
}

.deal-input {
  padding: 0.8rem 1.25rem;
  border-radius: var(--radius-md);
  border: 1px solid rgba(255, 255, 255, 0.2);
  background: rgba(255, 255, 255, 0.1);
  color: #ffffff;
  font-size: 0.95rem;
  flex-grow: 1;
}

.deal-input::placeholder { color: #94a3b8; }

/* Silo Categories Section */
.silo-grid-v2 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.5rem;
  max-width: 1240px;
  margin: 0 auto 4rem;
  padding: 0 1.5rem;
}

.silo-card-v2 {
  background: #ffffff;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 2rem;
  transition: all 0.3s ease;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  box-shadow: var(--shadow-sm);
}

.silo-card-v2:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: var(--color-primary);
}

.silo-card-v2 h4 {
  font-size: 1.2rem;
  font-weight: 800;
}

.silo-card-v2 p {
  font-size: 0.9rem;
  color: var(--text-muted);
  flex-grow: 1;
}

.silo-link-v2 {
  font-size: 0.9rem;
  font-weight: 800;
  color: var(--color-primary);
}

/* FAQ & Buyer Guide */
.info-section {
  max-width: 900px;
  margin: 0 auto 5rem;
  padding: 0 1.5rem;
}

.info-section h2 {
  font-size: 2rem;
  font-weight: 900;
  margin-bottom: 1.5rem;
}

.faq-accordion {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.faq-node {
  background: #ffffff;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.faq-head {
  padding: 1.25rem;
  font-weight: 700;
  font-size: 1.05rem;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.faq-head::after {
  content: "+";
  font-size: 1.4rem;
  color: var(--color-primary);
}

.faq-node.active .faq-head::after {
  content: "-";
}

.faq-body {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease;
  background: #f8fafc;
}

.faq-body-content {
  padding: 1.25rem;
  font-size: 0.95rem;
  color: var(--text-muted);
  border-top: 1px solid var(--border-color);
}

/* Footer */
footer {
  background: #0f172a;
  color: #94a3b8;
  padding: 4rem 1.5rem 2rem;
  font-size: 0.9rem;
}

.footer-container {
  max-width: 1240px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 3rem;
  margin-bottom: 3rem;
}

@media (max-width: 768px) {
  .footer-container { grid-template-columns: 1fr; }
}

.footer-brand h3 {
  color: #ffffff;
  font-size: 1.4rem;
  font-weight: 900;
  margin-bottom: 1rem;
}

.footer-links ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.footer-links a:hover { color: #ffffff; }

/* Sticky Recommendation Bar on Scroll (Retention Booster #4) */
.sticky-bar {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: rgba(15, 23, 42, 0.95);
  backdrop-filter: blur(10px);
  color: #ffffff;
  padding: 0.85rem 1.5rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  z-index: 999;
  transform: translateY(100%);
  transition: transform 0.3s ease;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.sticky-bar.visible {
  transform: translateY(0);
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}