:root {
  --primary-dark: #0a0f14;
  --secondary: #111827;
  --light-surface: #ffffff;
  --dark-card: #162033;
  --cyan-accent: #00b4d8;
  --light-blue: #8ecae6;
  --amber-detail: #ffb703;
  --text-main: #d1d5db;
  --text-muted: #9ca3af;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
}

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

main {
  flex: 1;
}

a {
  color: var(--cyan-accent);
  text-decoration: none;
  transition: color 0.2s ease;
}

a:hover {
  color: var(--light-blue);
}

h1, h2, h3, h4, h5, h6 {
  color: var(--light-surface);
  font-weight: 600;
  margin-bottom: 1rem;
  line-height: 1.3;
}

/* Layout Utilities */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

.text-center { text-align: center; }
.mb-1 { margin-bottom: 1rem; }
.mb-2 { margin-bottom: 2rem; }
.mt-2 { margin-top: 2rem; }

/* Header */
.site-header {
  background-color: var(--secondary);
  padding: 1rem 0;
  border-bottom: 1px solid rgba(0, 180, 216, 0.2);
  position: sticky;
  top: 0;
  z-index: 100;
}

.header-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--light-surface);
  letter-spacing: -0.5px;
}

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

.main-nav {
  display: flex;
  gap: 1.5rem;
  align-items: center;
}

.main-nav a {
  color: var(--text-main);
  font-weight: 500;
  font-size: 0.95rem;
}

.main-nav a:hover, .main-nav a.active {
  color: var(--cyan-accent);
}

.mobile-menu-btn {
  display: none;
  background: none;
  border: none;
  color: var(--light-surface);
  font-size: 1.5rem;
  cursor: pointer;
}

/* Hero Section */
.hero {
  padding: 6rem 0;
  background: linear-gradient(135deg, var(--primary-dark) 0%, var(--secondary) 100%);
  border-bottom: 1px solid var(--dark-card);
}

.hero h1 {
  font-size: 3.5rem;
  color: var(--light-surface);
  margin-bottom: 1.5rem;
}

.hero h1 span {
  color: var(--cyan-accent);
}

.hero p {
  font-size: 1.25rem;
  max-width: 700px;
  margin: 0 auto 2.5rem;
  color: var(--light-blue);
}

/* Buttons */
.btn {
  display: inline-block;
  padding: 0.75rem 1.5rem;
  border-radius: 4px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s ease;
  text-align: center;
}

.btn-primary {
  background-color: var(--cyan-accent);
  color: var(--primary-dark);
  border: 1px solid var(--cyan-accent);
}

.btn-primary:hover {
  background-color: var(--light-blue);
  border-color: var(--light-blue);
  color: var(--primary-dark);
}

.btn-outline {
  background: transparent;
  border: 1px solid var(--cyan-accent);
  color: var(--cyan-accent);
}

.btn-outline:hover {
  background: var(--cyan-accent);
  color: var(--primary-dark);
}

.btn-full {
  display: block;
  width: 100%;
}

/* Sections */
.section-pad {
  padding: 4rem 0;
}

.section-header {
  margin-bottom: 3rem;
  text-align: center;
}

.section-header h2 {
  font-size: 2.5rem;
  position: relative;
  display: inline-block;
}

.section-header h2::after {
  content: '';
  position: absolute;
  width: 50%;
  height: 3px;
  background: var(--cyan-accent);
  bottom: -10px;
  left: 25%;
  border-radius: 2px;
}

/* Grid & Cards */
.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 2rem;
}

.card {
  background-color: var(--dark-card);
  border-radius: 8px;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.05);
  transition: transform 0.3s, border-color 0.3s, box-shadow 0.3s;
  display: flex;
  flex-direction: column;
}

.card:hover {
  transform: translateY(-5px);
  border-color: var(--cyan-accent);
  box-shadow: 0 10px 20px rgba(0, 0, 0, 0.4);
}

.card-img {
  width: 100%;
  height: 200px;
  object-fit: cover;
  background-color: var(--secondary);
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.card-body {
  padding: 1.5rem;
  flex-grow: 1;
  display: flex;
  flex-direction: column;
}

.badge {
  display: inline-block;
  padding: 0.25rem 0.5rem;
  background-color: rgba(0, 180, 216, 0.1);
  color: var(--cyan-accent);
  border-radius: 4px;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  margin-bottom: 1rem;
  align-self: flex-start;
  border: 1px solid rgba(0, 180, 216, 0.2);
}

.card h3 {
  font-size: 1.25rem;
  margin-bottom: 0.5rem;
}

.spec-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin: 1rem 0;
  list-style: none;
}

.spec-chips li {
  background-color: var(--secondary);
  color: var(--light-blue);
  padding: 0.25rem 0.5rem;
  border-radius: 4px;
  font-size: 0.75rem;
  border: 1px solid rgba(142, 202, 230, 0.15);
}

.best-for {
  font-size: 0.875rem;
  color: var(--text-muted);
  margin-bottom: 1.5rem;
  flex-grow: 1;
}

.best-for strong {
  color: var(--amber-detail);
}

/* Review Blocks */
.review-block {
  background: var(--dark-card);
  padding: 2.5rem;
  border-radius: 8px;
  margin-bottom: 2.5rem;
  border-left: 4px solid var(--cyan-accent);
  border-right: 1px solid rgba(255, 255, 255, 0.05);
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

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

.review-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
}

.review-specs {
  background: var(--secondary);
  padding: 1.5rem;
  border-radius: 6px;
}

.review-specs h4 {
  color: var(--cyan-accent);
  margin-bottom: 1rem;
  font-size: 1rem;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.review-specs ul {
  list-style: none;
}

.review-specs ul li {
  padding: 0.5rem 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.review-specs ul li:last-child {
  border-bottom: none;
}

/* Guide Articles */
.guide-article {
  background: var(--dark-card);
  border-radius: 8px;
  overflow: hidden;
  margin-bottom: 3rem;
}

.guide-img {
  width: 100%;
  height: 300px;
  object-fit: cover;
  background: var(--secondary);
}

.guide-body {
  padding: 2.5rem;
}

.guide-body h2 {
  color: var(--cyan-accent);
  font-size: 2rem;
}

.vs-block {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 1.5rem;
  align-items: center;
  background: var(--secondary);
  padding: 2rem;
  border-radius: 8px;
  margin: 2rem 0;
}

.vs-divider {
  font-size: 2rem;
  font-weight: 800;
  color: var(--amber-detail);
  text-align: center;
}

.vs-item h4 {
  color: var(--light-surface);
  margin-bottom: 0.5rem;
}

/* Setup Tables */
.table-wrapper {
  overflow-x: auto;
  margin: 2rem 0;
  background: var(--dark-card);
  border-radius: 8px;
  border: 1px solid rgba(255,255,255,0.05);
}

table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
}

th, td {
  padding: 1.25rem 1.5rem;
  border-bottom: 1px solid rgba(255,255,255,0.05);
}

th {
  background-color: var(--secondary);
  color: var(--cyan-accent);
  font-weight: 600;
  text-transform: uppercase;
  font-size: 0.875rem;
  letter-spacing: 0.5px;
}

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

tr:hover td {
  background-color: rgba(255,255,255,0.02);
}

/* Forms */
.contact-form {
  background: var(--dark-card);
  padding: 2.5rem;
  border-radius: 8px;
  border: 1px solid rgba(255,255,255,0.05);
  max-width: 800px;
  margin: 0 auto;
}

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

label {
  display: block;
  margin-bottom: 0.5rem;
  color: var(--light-surface);
  font-weight: 500;
}

input, textarea {
  width: 100%;
  padding: 0.875rem;
  background-color: var(--secondary);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 4px;
  color: var(--light-surface);
  font-family: inherit;
  transition: border-color 0.3s;
}

input:focus, textarea:focus {
  outline: none;
  border-color: var(--cyan-accent);
}

textarea {
  resize: vertical;
  min-height: 150px;
}

/* Legal Content */
.legal-content {
  background: var(--dark-card);
  padding: 3rem;
  border-radius: 8px;
  border: 1px solid rgba(255,255,255,0.05);
}

.legal-content h2 {
  margin-top: 2.5rem;
  color: var(--light-blue);
  font-size: 1.5rem;
}

.legal-content h3 {
  margin-top: 1.5rem;
  color: var(--light-surface);
  font-size: 1.25rem;
}

.legal-content p, .legal-content ul {
  margin-bottom: 1.5rem;
}

.legal-content ul {
  padding-left: 1.5rem;
}

/* Footer */
.site-footer {
  background-color: var(--secondary);
  padding: 4rem 0 2rem;
  margin-top: 4rem;
  border-top: 1px solid var(--dark-card);
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 3rem;
  margin-bottom: 3rem;
}

.footer-col h4 {
  color: var(--light-surface);
  margin-bottom: 1.5rem;
  font-size: 1.1rem;
}

.footer-col p {
  color: var(--text-muted);
  font-size: 0.9rem;
  margin-bottom: 1rem;
}

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

.footer-col ul li {
  margin-bottom: 0.75rem;
}

.footer-col ul li a {
  color: var(--text-muted);
  font-size: 0.9rem;
}

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

.footer-bottom {
  text-align: center;
  padding-top: 2rem;
  border-top: 1px solid rgba(255,255,255,0.05);
  color: var(--text-muted);
  font-size: 0.875rem;
}

/* Responsive */
@media (max-width: 768px) {
  .header-inner {
    flex-wrap: wrap;
  }
  
  .mobile-menu-btn {
    display: block;
  }
  
  .main-nav {
    display: none;
    flex-direction: column;
    width: 100%;
    padding-top: 1.5rem;
    gap: 1rem;
  }
  
  .main-nav.active {
    display: flex;
  }
  
  .hero h1 {
    font-size: 2.5rem;
  }
  
  .review-content {
    grid-template-columns: 1fr;
  }
  
  .vs-block {
    grid-template-columns: 1fr;
    text-align: center;
  }
  
  .legal-content, .contact-form, .guide-body {
    padding: 1.5rem;
  }
}