/* Best Gaming Chair - Light Theme */
:root {
  --bg-primary: #ffffff;
  --bg-secondary: #f7f7f9;
  --bg-card: #ffffff;
  --text-primary: #1a1a1a;
  --text-secondary: #555;
  --accent: #d62828;
  --accent-hover: #b51e1e;
  --star: #ffb400;
  --success: #2e7d32;
  --danger: #c62828;
  --border: #e3e3e7;
  --header-bg: #111;
  --max-width: 1200px;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 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); }
img { max-width: 100%; height: auto; display: block; }

/* Header */
.header { background: var(--header-bg); position: sticky; top: 0; z-index: 1000; }
.header .container { display: flex; align-items: center; justify-content: space-between; padding: 16px 20px; max-width: var(--max-width); margin: 0 auto; }
.logo { font-size: 1.35rem; font-weight: 800; color: #fff; letter-spacing: -0.5px; }
.nav { display: flex; list-style: none; gap: 24px; }
.nav a { color: #e8e8e8; font-size: 0.95rem; font-weight: 500; }
.nav a:hover { color: #fff; }
.mobile-toggle { display: none; background: none; border: none; color: #fff; font-size: 1.6rem; cursor: pointer; }

/* Hero */
.hero {
  background: linear-gradient(135deg, #1a1a1a 0%, #2a2a2a 50%, #d62828 130%);
  padding: 90px 20px;
  text-align: center;
  color: #ffffff;
  position: relative;
  overflow: hidden;
}
.hero::before {
  content: ''; position: absolute; inset: 0;
  background: radial-gradient(ellipse at top, rgba(214,40,40,0.18) 0%, transparent 60%);
  pointer-events: none;
}
.hero .container { position: relative; max-width: 860px; margin: 0 auto; padding: 0; }
.hero h1 {
  font-size: 2.8rem; color: #ffffff; line-height: 1.15; margin-bottom: 18px;
  text-shadow: 0 2px 6px rgba(0,0,0,0.55);
}
.hero p {
  font-size: 1.2rem; color: #ffffff; margin-bottom: 14px;
  text-shadow: 0 1px 4px rgba(0,0,0,0.5);
}
.hero .updated { font-size: 0.9rem; color: #ffffff; opacity: 0.85; }

/* Container & sections */
.container { max-width: var(--max-width); margin: 0 auto; padding: 60px 20px; }
.section { background: var(--bg-primary); }
.section-alt { background: var(--bg-secondary); }
.section h2 { font-size: 2rem; margin-bottom: 24px; color: var(--text-primary); }
.section h3 { font-size: 1.35rem; margin: 28px 0 12px; color: var(--text-primary); }
.section p { margin-bottom: 16px; color: var(--text-secondary); }
.section ul, .section ol { margin: 12px 0 20px 28px; color: var(--text-secondary); }
.section li { margin-bottom: 6px; }

/* Product Grid */
.products-grid { display: grid; gap: 28px; }

/* Product Card */
.product-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 28px;
  display: grid;
  grid-template-columns: 240px 1fr;
  gap: 28px;
  position: relative;
  box-shadow: 0 2px 12px rgba(0,0,0,0.05);
  transition: transform 0.2s, box-shadow 0.2s;
}
.product-card:hover { transform: translateY(-3px); box-shadow: 0 8px 28px rgba(0,0,0,0.12); }
.product-rank {
  position: absolute; top: -14px; left: 24px;
  width: 42px; height: 42px; border-radius: 50%;
  background: var(--accent); color: #fff;
  display: flex; align-items: center; justify-content: center;
  font-weight: 800; font-size: 1.1rem; box-shadow: 0 4px 10px rgba(214,40,40,0.4);
}
.product-image { display: flex; align-items: center; justify-content: center; background: #fafafa; border-radius: 10px; padding: 12px; }
.product-image img { max-height: 240px; width: auto; object-fit: contain; }
.product-info h3 { font-size: 1.4rem; margin-bottom: 8px; color: var(--text-primary); }
.product-rating { color: var(--star); font-size: 1rem; margin-bottom: 6px; font-weight: 600; }
.product-price { color: var(--text-primary); font-weight: 700; font-size: 1.1rem; margin-bottom: 14px; }
.product-desc { color: var(--text-secondary); margin-bottom: 14px; }

.pros-cons { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; margin-bottom: 18px; }
.pros h4, .cons h4 { font-size: 0.85rem; text-transform: uppercase; letter-spacing: 0.6px; margin-bottom: 8px; }
.pros h4 { color: var(--success); }
.cons h4 { color: var(--danger); }
.pros ul, .cons ul { margin: 0 0 0 18px; }
.pros li, .cons li { color: var(--text-secondary); margin-bottom: 4px; font-size: 0.95rem; }

/* Buttons */
.btn-amazon {
  display: inline-block; background: var(--accent); color: #fff !important;
  padding: 14px 28px; border-radius: 8px; font-weight: 700;
  text-transform: uppercase; letter-spacing: 0.4px; font-size: 0.95rem;
  transition: background 0.2s, transform 0.15s;
  box-shadow: 0 3px 10px rgba(214,40,40,0.3);
}
.btn-amazon:hover { background: var(--accent-hover); color: #fff !important; transform: translateY(-1px); }

/* Comparison Table */
.compare-table { width: 100%; border-collapse: collapse; margin: 24px 0; background: #fff; border-radius: 10px; overflow: hidden; box-shadow: 0 2px 10px rgba(0,0,0,0.06); }
.compare-table th, .compare-table td { padding: 14px 16px; text-align: left; border-bottom: 1px solid var(--border); }
.compare-table th { background: #f1f1f4; font-weight: 700; color: var(--text-primary); }
.compare-table tr:last-child td { border-bottom: none; }

/* FAQ */
.faq-item { background: #fff; border: 1px solid var(--border); border-radius: 10px; padding: 20px 24px; margin-bottom: 14px; }
.faq-item h3 { font-size: 1.1rem; color: var(--text-primary); margin-bottom: 8px; }
.faq-item p { color: var(--text-secondary); margin: 0; }

/* Disclosure */
.affiliate-disclosure {
  background: #fff8e1; border-left: 4px solid var(--star);
  padding: 16px 20px; border-radius: 6px; margin-top: 28px;
  color: #5a4500; font-size: 0.95rem;
}

/* Footer */
.footer { background: #111; color: #d0d0d0; padding: 40px 20px; text-align: center; }
.footer .container { padding: 0; }
.footer-links { display: flex; justify-content: center; gap: 24px; margin-bottom: 20px; flex-wrap: wrap; }
.footer-links a { color: #d0d0d0; font-size: 0.95rem; }
.footer-links a:hover { color: #fff; }
.footer p { color: #999; font-size: 0.85rem; margin-bottom: 6px; }

/* Responsive */
@media (max-width: 768px) {
  .nav { display: none; position: absolute; top: 64px; left: 0; right: 0; background: #111; flex-direction: column; padding: 16px 24px; gap: 14px; }
  .nav.active { display: flex; }
  .mobile-toggle { display: block; }
  .hero h1 { font-size: 2rem; }
  .hero p { font-size: 1rem; }
  .product-card { grid-template-columns: 1fr; padding: 24px; }
  .product-image img { max-height: 200px; }
  .pros-cons { grid-template-columns: 1fr; }
  .container { padding: 40px 16px; }
}

/* Contact form */
.contact-form { max-width: 600px; }
.contact-form label { display: block; margin: 14px 0 6px; font-weight: 600; color: var(--text-primary); }
.contact-form input, .contact-form textarea {
  width: 100%; padding: 12px 14px; border: 1px solid var(--border); border-radius: 8px; font-size: 1rem; font-family: inherit;
}
.contact-form button {
  margin-top: 18px; padding: 14px 32px; background: var(--accent); color: #fff;
  border: none; border-radius: 8px; font-weight: 700; cursor: pointer; font-size: 1rem;
}
.contact-form button:hover { background: var(--accent-hover); }