:root {
  --primary-color: #000000;
  --secondary-color: #e50914;
  --accent-color: #b91c1c;
  --text-main: #1f2937;
  --text-light: #4b5563;
  --bg-main: #f9fafb;
  --bg-card: #ffffff;
  --border-color: #e5e7eb;
  --warning-bg: #fef2f2;
  --warning-text: #b91c1c;
  --success-color: #16a34a;
  --font-family: 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  --transition: all 0.3s ease;
}

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

body {
  font-family: var(--font-family);
  background-color: var(--bg-main);
  color: var(--text-main);
  line-height: 1.6;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

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

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

ul {
  list-style: none;
}

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

.review-hero-img {
  margin: 2rem 0;
  max-height: 400px;
  width: 100%;
  object-fit: cover;
  border-radius: 8px;
  box-shadow: 0 4px 10px rgba(0,0,0,0.1);
}

/* Accessibility: Skip to main content */
.skip-link {
  position: absolute;
  top: -40px;
  left: 0;
  background: var(--secondary-color);
  color: white;
  padding: 8px;
  z-index: 1000;
}
.skip-link:focus {
  top: 0;
}

/* Header & Navigation */
.site-header {
  background-color: var(--bg-card);
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: 0 1px 3px rgba(0,0,0,0.05), 0 1px 2px rgba(0,0,0,0.1);
  border-bottom: none;
  transition: var(--transition);
}

@supports (backdrop-filter: blur(10px)) {
  .site-header {
    background-color: rgba(255, 255, 255, 0.92);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
  }
}

.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0.5rem 1.5rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  min-height: 54px;
}

.brand-logo {
  font-size: 1.15rem;
  font-weight: 800;
  color: var(--primary-color);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.brand-logo:hover {
  color: var(--secondary-color);
}

.nav-menu {
  display: flex;
  gap: 1rem;
  align-items: center;
}

.nav-menu li a {
  color: var(--text-main);
  font-weight: 500;
  font-size: 0.85rem;
}

.nav-menu li a:hover,
.nav-menu li a[aria-current="page"] {
  color: var(--secondary-color);
}

.cta-btn {
  background-color: var(--secondary-color);
  color: #fff !important;
  padding: 0.4rem 0.85rem;
  border-radius: 4px;
  font-weight: 600;
  font-size: 0.8rem;
  transition: var(--transition);
  box-shadow: 0 2px 4px rgba(229, 9, 20, 0.15);
  white-space: nowrap;
}

.cta-btn:hover {
  background-color: var(--accent-color);
  transform: translateY(-1px);
  box-shadow: 0 4px 6px rgba(229, 9, 20, 0.25);
}

.mobile-menu-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 1.4rem;
  cursor: pointer;
  color: var(--primary-color);
  padding: 0.25rem;
  line-height: 1;
}

/* Main Content */
main {
  flex: 1;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 2rem;
}

/* Safety / Responsible Notice */
.safety-notice {
  background-color: var(--warning-bg);
  color: var(--warning-text);
  padding: 1.5rem;
  border-left: 4px solid var(--warning-text);
  margin-bottom: 2rem;
  border-radius: 4px;
}

.safety-notice h2 {
  font-size: 1.25rem;
  margin-bottom: 0.5rem;
}

/* Hero Section */
.hero {
  background: linear-gradient(135deg, var(--primary-color) 0%, #1a1a1a 100%);
  color: white;
  padding: 4rem 2rem;
  text-align: center;
  border-bottom: 4px solid var(--secondary-color);
}

.hero h1 {
  font-size: 2.5rem;
  margin-bottom: 1rem;
}

.hero p {
  font-size: 1.25rem;
  max-width: 800px;
  margin: 0 auto 2rem auto;
  opacity: 0.9;
}

/* Grid Layouts */
.grid-3 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
  margin-bottom: 2rem;
}

/* Cards */
.review-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 1.5rem;
  box-shadow: 0 4px 6px rgba(0,0,0,0.05);
  display: flex;
  flex-direction: column;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.review-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 15px rgba(0,0,0,0.1);
  border-color: var(--secondary-color);
}

.review-card h3 {
  font-size: 1.5rem;
  color: var(--primary-color);
  margin-bottom: 0.5rem;
}

.review-card .tag {
  display: inline-block;
  background: #f1f5f9;
  border: 1px solid var(--border-color);
  padding: 0.25rem 0.5rem;
  font-size: 0.8rem;
  border-radius: 4px;
  margin-bottom: 1rem;
  color: var(--text-main);
  font-weight: 600;
}

.review-card p {
  color: var(--text-light);
  flex-grow: 1;
  margin-bottom: 1.5rem;
}

.card-actions {
  display: flex;
  gap: 1rem;
}

.btn-primary {
  background-color: var(--secondary-color);
  color: white;
  padding: 0.75rem 1.5rem;
  text-align: center;
  border-radius: 4px;
  font-weight: 600;
  flex: 1;
  border: none;
  cursor: pointer;
  display: inline-block;
}

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

.btn-outline {
  background-color: transparent;
  color: var(--primary-color);
  border: 2px solid var(--primary-color);
  padding: 0.75rem 1.5rem;
  text-align: center;
  border-radius: 4px;
  font-weight: 600;
  flex: 1;
  cursor: pointer;
  display: inline-block;
}

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

/* Comparison Table */
.table-responsive {
  overflow-x: auto;
  margin-bottom: 2rem;
}

.comparison-table {
  width: 100%;
  border-collapse: collapse;
  background: var(--bg-card);
  box-shadow: 0 2px 10px rgba(0,0,0,0.05);
}

.comparison-table th,
.comparison-table td {
  padding: 1rem;
  border: 1px solid var(--border-color);
  text-align: left;
}

.comparison-table th {
  background-color: var(--primary-color);
  color: white;
}

.comparison-table tr:nth-child(even) {
  background-color: var(--bg-main);
}

/* Filters */
.filter-group {
  display: flex;
  gap: 1rem;
  margin-bottom: 2rem;
  flex-wrap: wrap;
}

.filter-btn {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  padding: 0.5rem 1rem;
  border-radius: 4px;
  cursor: pointer;
  font-weight: 600;
  color: var(--text-main);
}

.filter-btn.active, .filter-btn:hover {
  background: var(--primary-color);
  color: white;
  border-color: var(--primary-color);
}

/* FAQ Accordion */
.faq-item {
  border: 1px solid var(--border-color);
  margin-bottom: 1rem;
  border-radius: 4px;
  background: var(--bg-card);
}

.faq-question {
  width: 100%;
  text-align: left;
  padding: 1.25rem 1rem;
  background: none;
  border: none;
  font-size: 1.1rem;
  font-weight: 600;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  color: var(--primary-color);
}

.faq-question:hover {
  color: var(--secondary-color);
}

.faq-answer {
  padding: 0 1rem;
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease, padding 0.3s ease;
  color: var(--text-light);
}

.faq-item.active .faq-answer {
  padding: 0 1rem 1.25rem 1rem;
  max-height: 500px;
}

/* Articles List */
.articles-list {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.article-preview {
  background: var(--bg-card);
  padding: 1.5rem;
  border: 1px solid var(--border-color);
  border-radius: 4px;
  border-left: 4px solid var(--primary-color);
  transition: var(--transition);
}

.article-preview:hover {
  border-left-color: var(--secondary-color);
  background-color: #fafafa;
}

.article-preview h3 {
  font-size: 1.25rem;
  margin-bottom: 0.5rem;
  color: var(--primary-color);
}

/* Form Styles */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: start;
}

.contact-info {
  background: var(--bg-main);
  padding: 2rem;
  border-radius: 8px;
  border: 1px solid var(--border-color);
}

.contact-info h2 {
  margin-bottom: 1rem;
  color: var(--primary-color);
}

.contact-form {
  background: var(--bg-card);
  padding: 2rem;
  border-radius: 8px;
  border: 1px solid var(--border-color);
  width: 100%;
}

.form-group {
  margin-bottom: 1.5rem;
}

.form-group label {
  display: block;
  margin-bottom: 0.5rem;
  font-weight: 600;
  color: var(--text-main);
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 0.75rem;
  border: 1px solid var(--border-color);
  border-radius: 4px;
  font-family: var(--font-family);
  background-color: var(--bg-main);
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--secondary-color);
  box-shadow: 0 0 0 2px rgba(229, 9, 20, 0.2);
  background-color: var(--bg-card);
}

.form-error {
  color: var(--warning-text);
  font-size: 0.85rem;
  margin-top: 0.25rem;
  display: none;
  font-weight: 500;
}

/* Content Pages */
.content-page {
  background: var(--bg-card);
  padding: 2.5rem;
  border-radius: 8px;
  border: 1px solid var(--border-color);
  margin-bottom: 2rem;
  box-shadow: 0 2px 10px rgba(0,0,0,0.02);
}

.content-page h1 {
  margin-bottom: 1.5rem;
  color: var(--primary-color);
  font-size: 2.2rem;
  border-bottom: 2px solid var(--border-color);
  padding-bottom: 0.5rem;
}

.content-page h2 {
  margin: 2rem 0 1rem 0;
  color: var(--primary-color);
  font-size: 1.6rem;
}

.content-page h3 {
  margin: 1.5rem 0 0.75rem 0;
  color: var(--primary-color);
}

.content-page p {
  margin-bottom: 1.2rem;
  color: var(--text-main);
}

.content-page ul {
  margin-bottom: 1.2rem;
  margin-left: 2rem;
  list-style: disc;
  color: var(--text-main);
}

.content-page li {
  margin-bottom: 0.5rem;
}

/* Cookie Banner */
.cookie-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: var(--primary-color);
  color: white;
  padding: 1.5rem;
  z-index: 1000;
  display: none;
  box-shadow: 0 -4px 10px rgba(0,0,0,0.1);
  border-top: 3px solid var(--secondary-color);
}

.cookie-content {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

@media (min-width: 768px) {
  .cookie-content {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
  }
}

.cookie-text {
  flex: 1;
  font-size: 0.95rem;
}

.cookie-buttons {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.cookie-btn {
  padding: 0.6rem 1.2rem;
  border: none;
  border-radius: 4px;
  cursor: pointer;
  font-weight: 600;
  font-size: 0.9rem;
  transition: var(--transition);
}

.cookie-accept {
  background-color: var(--secondary-color);
  color: white;
}

.cookie-accept:hover {
  background-color: var(--accent-color);
}

.cookie-reject {
  background-color: transparent;
  color: white;
  border: 1px solid white;
}

.cookie-reject:hover {
  background-color: rgba(255,255,255,0.1);
}

/* Footer */
.site-footer {
  background-color: var(--primary-color);
  color: white;
  padding: 4rem 2rem 2rem 2rem;
  margin-top: auto;
}

.footer-grid {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 3rem;
  margin-bottom: 3rem;
}

.footer-col h4 {
  margin-bottom: 1.2rem;
  color: var(--bg-card);
  font-size: 1.2rem;
  border-bottom: 2px solid var(--secondary-color);
  padding-bottom: 0.5rem;
  display: inline-block;
}

.footer-col p {
  color: #9ca3af;
  margin-bottom: 1rem;
}

.footer-col address {
  font-style: normal;
  margin-top: 1rem;
  color: #d1d5db;
  line-height: 1.6;
}

.footer-col ul li {
  margin-bottom: 0.8rem;
}

.footer-col a {
  color: #d1d5db;
  font-weight: 500;
}

.footer-col a:hover {
  color: var(--secondary-color);
  padding-left: 5px;
}

.footer-bottom {
  text-align: center;
  padding-top: 2rem;
  border-top: 1px solid rgba(255,255,255,0.1);
  color: #6b7280;
  font-size: 0.95rem;
}

.disclosure {
  font-size: 0.85rem;
  color: #9ca3af;
  margin-top: 1.5rem;
  border-top: 1px solid rgba(255,255,255,0.05);
  padding-top: 1.5rem;
  max-width: 900px;
  margin-left: auto;
  margin-right: auto;
}

/* Responsive */
@media (max-width: 768px) {
  .nav-menu {
    display: none;
    flex-direction: column;
    position: absolute;
    top: 100%;
    left: 0;
    width: 100%;
    background: var(--bg-card);
    padding: 1rem;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
    border-top: 1px solid var(--border-color);
  }

  .nav-menu.active {
    display: flex;
  }

  .mobile-menu-toggle {
    display: block;
    color: var(--primary-color);
  }

  .hero h1 {
    font-size: 2rem;
  }
  
  .contact-grid {
    grid-template-columns: 1fr;
  }
}