:root {
  --bg-main: #F8F9FB;
  --bg-sec: #F2F4F7;
  --card-bg: #FFFFFF;
  --text-main: #20242B;
  --text-sec: #68717D;
  --accent-primary: #2E6BFF;
  --accent-secondary: #59A8FF;
  --accent-success: #22A56B;
  --border-color: #D9E1E8;
  --border-hover: #2E6BFF;
  --font-base: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 2rem;
  --spacing-lg: 4rem;
  --spacing-xl: 6rem;
  --border-radius: 12px;
  --shadow-sm: 0 2px 4px rgba(0,0,0,0.02);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.05);
  --shadow-hover: 0 12px 24px rgba(46, 107, 255, 0.15);
  --transition: all 0.3s ease;
}

[data-theme="dark"] {
  --bg-main: #0D1117;
  --bg-sec: #161B22;
  --card-bg: #1C2128;
  --text-main: #F0F6FC;
  --text-sec: #8B949E;
  --border-color: #30363D;
  --shadow-sm: 0 2px 4px rgba(0,0,0,0.2);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.3);
  --shadow-hover: 0 12px 24px rgba(46, 107, 255, 0.25);
}

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

body {
  font-family: var(--font-base);
  background-color: var(--bg-main);
  color: var(--text-main);
  line-height: 1.6;
  overflow-x: hidden;
  transition: background-color 0.3s ease, color 0.3s ease;
}

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

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

img {
  max-width: 100%;
  height: auto;
  display: block;
  border-radius: var(--border-radius);
}

h1, h2, h3, h4 {
  color: var(--text-main);
  line-height: 1.2;
  margin-bottom: var(--spacing-sm);
  font-weight: 700;
}

h1 { font-size: 3rem; letter-spacing: -0.02em; }
h2 { font-size: 2.25rem; letter-spacing: -0.01em; }
h3 { font-size: 1.5rem; }

p {
  margin-bottom: var(--spacing-sm);
  color: var(--text-sec);
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

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

.nav-wrapper {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 60px; /* Slimmer header */
}

.logo {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--text-main);
  letter-spacing: -0.03em;
}

.logo-icon {
  width: 32px;
  height: 32px;
  object-fit: contain;
  display: block;
  border-radius: 4px;
}

.nav-links {
  display: flex;
  gap: var(--spacing-md);
  list-style: none;
}

.nav-links a {
  color: var(--text-sec);
  font-weight: 500;
}

.nav-links a:hover {
  color: var(--text-main);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.btn {
  display: inline-block;
  padding: 0.75rem 1.5rem;
  border-radius: 8px;
  font-weight: 600;
  text-align: center;
  cursor: pointer;
  border: none;
  transition: var(--transition);
}

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

.btn-primary:hover {
  background-color: var(--accent-secondary);
  color: #FFFFFF;
  box-shadow: var(--shadow-hover);
  transform: translateY(-2px);
}

.btn-secondary {
  background-color: var(--bg-sec);
  color: var(--text-main);
  border: 1px solid var(--border-color);
}

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

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

/* Hero Section */
.hero {
  padding: var(--spacing-xl) 0;
  text-align: center;
  background: linear-gradient(180deg, var(--card-bg) 0%, var(--bg-main) 100%);
}

.hero h1 {
  max-width: 800px;
  margin: 0 auto var(--spacing-md);
}

.hero p {
  max-width: 600px;
  margin: 0 auto var(--spacing-lg);
  font-size: 1.25rem;
}

.hero-image-wrapper {
  max-width: 900px;
  margin: 0 auto;
  border-radius: 16px;
  box-shadow: var(--shadow-md);
  overflow: hidden;
  border: 1px solid var(--border-color);
}

/* Responsible Note */
.responsible-note {
  background-color: var(--bg-sec);
  padding: var(--spacing-md);
  border-radius: var(--border-radius);
  border-left: 4px solid var(--accent-primary);
  margin-bottom: var(--spacing-lg);
  text-align: left; /* Keep readable */
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}

/* Cards & Grids */
.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-lg);
  width: 100%;
  justify-content: center;
}

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

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

.card-img-wrapper {
  margin-bottom: var(--spacing-sm);
  border-radius: 8px;
  overflow: hidden;
  border: 1px solid var(--border-color);
  background: var(--bg-sec);
  width: 100%;
}

/* Comparison Table */
.table-wrapper {
  overflow-x: auto;
  margin-bottom: var(--spacing-lg);
  width: 100%;
  display: flex;
  justify-content: center;
}

table {
  width: 100%;
  max-width: 1000px;
  border-collapse: collapse;
  background: var(--card-bg);
  border-radius: var(--border-radius);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border-color);
}

th, td {
  padding: var(--spacing-sm) var(--spacing-md);
  text-align: center;
  border-bottom: 1px solid var(--border-color);
}

th {
  background-color: var(--bg-sec);
  font-weight: 600;
  color: var(--text-main);
}

tr:last-child td {
  border-bottom: none;
}

/* Content Pages */
.page-header {
  padding: var(--spacing-lg) 0 var(--spacing-md);
  border-bottom: 1px solid var(--border-color);
  margin-bottom: var(--spacing-md);
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.content-section {
  padding: var(--spacing-lg) 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.article-content {
  max-width: 800px;
  margin: 0 auto;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.article-content h2, .article-content h3 { 
  margin-top: var(--spacing-md); 
  width: 100%;
  text-align: center;
}

.article-content p {
  max-width: 700px;
}

.article-content ul {
  margin-bottom: var(--spacing-sm);
  padding-left: var(--spacing-md);
  color: var(--text-sec);
  text-align: left;
  display: inline-block;
  max-width: 600px;
}

.article-content li { margin-bottom: var(--spacing-xs); }

/* Review Template specific */
.review-meta {
  display: flex;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-md);
  padding-bottom: var(--spacing-sm);
  border-bottom: 1px solid var(--border-color);
  justify-content: center;
}
.badge {
  background: var(--bg-sec);
  padding: 0.25rem 0.75rem;
  border-radius: 20px;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text-main);
  border: 1px solid var(--border-color);
}

/* Footer */
footer {
  background-color: var(--card-bg);
  border-top: 1px solid var(--border-color);
  padding: var(--spacing-lg) 0 var(--spacing-md);
  margin-top: var(--spacing-xl);
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-lg);
}

.footer-col {
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.footer-col h4 {
  margin-bottom: var(--spacing-sm);
}

.footer-col ul {
  list-style: none;
  padding: 0;
}

.footer-col ul li {
  margin-bottom: var(--spacing-xs);
}

.footer-col ul li a {
  color: var(--text-sec);
}

.footer-col ul li a:hover {
  color: var(--text-main);
}

.footer-bottom {
  text-align: center;
  padding-top: var(--spacing-md);
  border-top: 1px solid var(--border-color);
  color: var(--text-sec);
  font-size: 0.875rem;
}

/* Cookie Banner */
.cookie-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: var(--card-bg);
  border-top: 1px solid var(--border-color);
  padding: var(--spacing-md);
  z-index: 9999;
  box-shadow: var(--shadow-hover);
  display: none;
}

.cookie-banner.active {
  display: block;
}

.cookie-content {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--spacing-md);
  flex-wrap: wrap;
}

.cookie-buttons {
  display: flex;
  gap: var(--spacing-sm);
}

/* Form & Contact Page Layout */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-lg);
  align-items: start;
  text-align: left;
  width: 100%;
}

.contact-form-wrapper, .contact-details {
  text-align: left;
}

.contact-form {
  max-width: 100%;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xs);
}

.form-group input, .form-group textarea {
  padding: 0.75rem;
  border: 1px solid var(--border-color);
  border-radius: 8px;
  background: var(--card-bg);
  color: var(--text-main);
  font-family: inherit;
}

.form-group input:focus, .form-group textarea:focus {
  outline: none;
  border-color: var(--accent-primary);
  box-shadow: 0 0 0 3px rgba(46, 107, 255, 0.1);
}

.contact-details {
  background: var(--bg-sec);
  padding: var(--spacing-md);
  border-radius: var(--border-radius);
  border: 1px solid var(--border-color);
}

.contact-details address {
  color: var(--text-sec);
  line-height: 1.8;
  font-style: normal;
}

/* Responsive */
@media (max-width: 768px) {
  .nav-links {
    display: none;
    position: absolute;
    top: 60px;
    left: 0;
    right: 0;
    background: var(--card-bg);
    flex-direction: column;
    padding: var(--spacing-md);
    border-bottom: 1px solid var(--border-color);
    text-align: center;
  }
  .nav-links.active {
    display: flex;
  }
  .mobile-toggle {
    display: block;
  }
  .cookie-content {
    flex-direction: column;
    text-align: center;
  }
  .hero h1 { font-size: 2.25rem; }
  .contact-grid {
    grid-template-columns: 1fr;
  }
}