/* Best Portable AC - Dark Theme Review Site */
:root {
  --bg-primary: #1a1a1a;
  --bg-secondary: #242424;
  --bg-card: #2a2a2a;
  --text-primary: #e8e8e8;
  --text-secondary: #b0b0b0;
  --accent: #00b4d8;
  --accent-hover: #0096c7;
  --star: #fbbf24;
  --success: #10b981;
  --border: #333;
  --shadow: rgba(0,0,0,0.3);
}

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

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, sans-serif;
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.7;
  font-size: 16px;
}

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

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border);
  padding: 1rem 0;
  backdrop-filter: blur(10px);
}

.header-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--text-primary);
}

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

nav ul {
  display: flex;
  list-style: none;
  gap: 2rem;
}

nav a {
  color: var(--text-secondary);
  font-weight: 500;
  transition: color 0.2s;
}

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

/* Mobile nav */
.nav-toggle { display: none; background: none; border: none; color: var(--text-primary); font-size: 1.5rem; cursor: pointer; }

@media (max-width: 768px) {
  .nav-toggle { display: block; }
  nav ul { display: none; flex-direction: column; position: absolute; top: 100%; left: 0; right: 0; background: var(--bg-secondary); padding: 1rem 2rem; gap: 1rem; border-bottom: 1px solid var(--border); }
  nav ul.active { display: flex; }
}

/* Hero */
.hero {
  background: linear-gradient(135deg, #0077b6 0%, #023e8a 100%);
  padding: 5rem 2rem;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><circle cx="50" cy="50" r="40" fill="none" stroke="rgba(255,255,255,0.05)" stroke-width="0.5"/></svg>') repeat;
  opacity: 0.3;
}

.hero h1 {
  font-size: 3rem;
  color: #ffffff;
  text-shadow: 2px 2px 4px rgba(0,0,0,0.5);
  margin-bottom: 1rem;
  position: relative;
}

.hero p {
  font-size: 1.25rem;
  color: #ffffff;
  text-shadow: 1px 1px 3px rgba(0,0,0,0.5);
  max-width: 700px;
  margin: 0 auto;
  position: relative;
}

/* Container */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 3rem 2rem;
}

/* Product Cards */
.product-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 2rem;
  margin-bottom: 2rem;
  transition: transform 0.2s, box-shadow 0.2s;
}

.product-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px var(--shadow);
}

.product-card .rank {
  display: inline-block;
  background: var(--accent);
  color: #fff;
  font-weight: 700;
  padding: 0.3rem 0.8rem;
  border-radius: 6px;
  font-size: 0.85rem;
  margin-bottom: 1rem;
}

.product-card h3 {
  font-size: 1.4rem;
  margin-bottom: 0.5rem;
  color: var(--text-primary);
}

.product-card .rating {
  color: var(--star);
  margin-bottom: 0.5rem;
}

.product-card .price {
  color: var(--success);
  font-weight: 600;
  font-size: 1.1rem;
  margin-bottom: 1rem;
}

.product-card .pros-cons {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  margin: 1rem 0;
}

@media (max-width: 600px) {
  .product-card .pros-cons { grid-template-columns: 1fr; }
}

.product-card .pros h4 { color: var(--success); margin-bottom: 0.5rem; }
.product-card .cons h4 { color: #ef4444; margin-bottom: 0.5rem; }
.product-card .pros li, .product-card .cons li { margin-left: 1.2rem; margin-bottom: 0.3rem; color: var(--text-secondary); font-size: 0.95rem; }

.btn-amazon {
  display: inline-block;
  background: #f59e0b;
  color: #1a1a1a;
  font-weight: 700;
  padding: 0.8rem 2rem;
  border-radius: 8px;
  font-size: 1rem;
  transition: background 0.2s, transform 0.1s;
  margin-top: 1rem;
}

.btn-amazon:hover {
  background: #d97706;
  color: #1a1a1a;
  transform: scale(1.02);
}

/* Section headings */
h2 {
  font-size: 2rem;
  margin-bottom: 1.5rem;
  color: var(--text-primary);
  border-bottom: 2px solid var(--accent);
  padding-bottom: 0.5rem;
}

h2.section-title {
  text-align: center;
  border: none;
  padding-bottom: 0;
}

/* FAQ */
.faq-item {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 1.5rem;
  margin-bottom: 1rem;
}

.faq-item h3 { color: var(--accent); margin-bottom: 0.5rem; font-size: 1.1rem; }
.faq-item p { color: var(--text-secondary); }

/* Footer */
.site-footer {
  background: var(--bg-secondary);
  border-top: 1px solid var(--border);
  padding: 3rem 2rem;
  text-align: center;
}

.footer-inner {
  max-width: 1200px;
  margin: 0 auto;
}

.footer-links { display: flex; justify-content: center; gap: 2rem; flex-wrap: wrap; margin-bottom: 1.5rem; }
.footer-links a { color: var(--text-secondary); }
.footer-links a:hover { color: var(--accent); }

.affiliate-disclosure {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 1rem 1.5rem;
  margin: 1.5rem auto;
  max-width: 700px;
  font-size: 0.85rem;
  color: var(--text-secondary);
}

.footer-copy { color: var(--text-secondary); font-size: 0.85rem; margin-top: 1rem; }

/* Buyer's Guide */
.guide-section {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 2rem;
  margin-bottom: 2rem;
}

.guide-section h3 { color: var(--accent); margin-bottom: 1rem; }
.guide-section p, .guide-section li { color: var(--text-secondary); margin-bottom: 0.5rem; }
.guide-section ul { margin-left: 1.5rem; }

/* Comparison table */
.comparison-table {
  width: 100%;
  border-collapse: collapse;
  margin: 2rem 0;
  background: var(--bg-card);
  border-radius: 12px;
  overflow: hidden;
}

.comparison-table th {
  background: var(--accent);
  color: #fff;
  padding: 1rem;
  text-align: left;
  font-weight: 600;
}

.comparison-table td {
  padding: 1rem;
  border-bottom: 1px solid var(--border);
  color: var(--text-secondary);
}

.comparison-table tr:hover td { background: var(--bg-secondary); }

@media (max-width: 768px) {
  .comparison-table { font-size: 0.85rem; }
  .comparison-table th, .comparison-table td { padding: 0.6rem; }
  .hero h1 { font-size: 2rem; }
  .hero p { font-size: 1rem; }
  .container { padding: 2rem 1rem; }
}

/* About / Contact pages */
.page-content {
  max-width: 800px;
  margin: 0 auto;
}

.page-content p { color: var(--text-secondary); margin-bottom: 1rem; }
.page-content h3 { color: var(--accent); margin: 1.5rem 0 0.5rem; }

.contact-form {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 2rem;
  max-width: 600px;
  margin: 2rem auto;
}

.contact-form label { display: block; color: var(--text-secondary); margin-bottom: 0.3rem; font-size: 0.9rem; }
.contact-form input, .contact-form textarea {
  width: 100%;
  padding: 0.8rem;
  background: var(--bg-primary);
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--text-primary);
  font-size: 1rem;
  margin-bottom: 1rem;
}

.contact-form textarea { min-height: 150px; resize: vertical; }
.contact-form button {
  background: var(--accent);
  color: #fff;
  border: none;
  padding: 0.8rem 2rem;
  border-radius: 8px;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.2s;
}

.contact-form button:hover { background: var(--accent-hover); }

/* Top picks grid */
.top-picks {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1.5rem;
  margin: 2rem 0;
}

.pick-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1.5rem;
  text-align: center;
  transition: transform 0.2s;
}

.pick-card:hover { transform: translateY(-3px); }
.pick-card h3 { margin-bottom: 0.5rem; font-size: 1.1rem; }
.pick-card .rating { color: var(--star); margin-bottom: 0.5rem; }
.pick-card .price { color: var(--success); font-weight: 600; margin-bottom: 1rem; }