/* ===== Eyewear Guide - Affiliate Content Site ===== */
:root {
  --primary: #1a1a2e;
  --accent: #2d6a9f;
  --accent-hover: #1e5080;
  --bg: #fafafa;
  --card-bg: #ffffff;
  --text: #333333;
  --text-light: #666666;
  --border: #e0e0e0;
  --cta: #e8752a;
  --cta-hover: #c9601e;
  --star: #f5a623;
  --max-width: 800px;
}

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

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

/* Header */
.site-header {
  background: var(--primary);
  color: #fff;
  padding: 16px 0;
  position: sticky; top: 0; z-index: 100;
  box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}
.header-inner {
  max-width: var(--max-width); margin: 0 auto; padding: 0 20px;
  display: flex; justify-content: space-between; align-items: center;
}
.site-title { font-size: 22px; font-weight: 700; color: #fff; text-decoration: none; }
.site-title span { color: var(--cta); }
.site-nav a { color: #ccc; text-decoration: none; margin-left: 24px; font-size: 14px; }
.site-nav a:hover { color: #fff; }

/* Main */
main { max-width: var(--max-width); margin: 0 auto; padding: 24px 20px 60px; }

/* Hero */
.hero {
  text-align: center; padding: 48px 20px 40px;
  background: linear-gradient(135deg, var(--primary) 0%, #16213e 100%);
  color: #fff; border-radius: 0 0 12px 12px; margin: 0 -20px 32px;
}
.hero h1 { font-size: 28px; margin-bottom: 12px; }
.hero p { font-size: 16px; opacity: 0.85; max-width: 560px; margin: 0 auto; }

/* Category cards */
.cat-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 16px; margin-bottom: 40px; }
.cat-card {
  background: var(--card-bg); border: 1px solid var(--border); border-radius: 8px;
  padding: 24px; text-decoration: none; color: var(--text);
  transition: box-shadow 0.2s, transform 0.2s;
}
.cat-card:hover { box-shadow: 0 4px 16px rgba(0,0,0,0.08); transform: translateY(-2px); }
.cat-card h3 { font-size: 17px; margin-bottom: 6px; color: var(--primary); }
.cat-card p { font-size: 14px; color: var(--text-light); }

/* Article list */
.article-list { display: flex; flex-direction: column; gap: 12px; }
.article-card {
  display: flex; gap: 16px; background: var(--card-bg); border: 1px solid var(--border);
  border-radius: 8px; padding: 20px; text-decoration: none; color: var(--text);
  transition: box-shadow 0.2s;
}
.article-card:hover { box-shadow: 0 2px 12px rgba(0,0,0,0.06); }
.article-card h3 { font-size: 18px; margin-bottom: 4px; color: var(--primary); }
.article-card .meta { font-size: 12px; color: var(--text-light); }
.article-card .excerpt { font-size: 14px; color: var(--text-light); margin-top: 4px; }

/* Article page */
article h1 { font-size: 28px; margin: 24px 0 8px; line-height: 1.3; }
article .byline { font-size: 13px; color: var(--text-light); margin-bottom: 24px; }
article h2 { font-size: 22px; margin: 32px 0 12px; padding-top: 12px; border-top: 1px solid var(--border); }
article h3 { font-size: 18px; margin: 24px 0 8px; }
article p { margin-bottom: 16px; }
article ul, article ol { margin: 0 0 16px 24px; }
article li { margin-bottom: 6px; }

/* Product card (for affiliate links) */
.product-card {
  display: flex; gap: 16px; background: var(--card-bg); border: 2px solid var(--border);
  border-radius: 8px; padding: 16px; margin: 20px 0; align-items: center;
}
.product-card .rank {
  font-size: 24px; font-weight: 700; color: var(--accent); min-width: 36px; text-align: center;
}
.product-card .info { flex: 1; }
.product-card .info h4 { font-size: 16px; margin-bottom: 4px; }
.product-card .info .stars { color: var(--star); font-size: 14px; }
.product-card .info .desc { font-size: 13px; color: var(--text-light); margin: 4px 0; }
.product-card .info .pros { font-size: 12px; color: #2e7d32; }
.product-card .info .cons { font-size: 12px; color: #c62828; }

/* CTA Button */
.btn {
  display: inline-block; padding: 10px 24px; border-radius: 6px;
  font-size: 14px; font-weight: 600; text-decoration: none; cursor: pointer;
  transition: background 0.2s; text-align: center;
}
.btn-cta { background: var(--cta); color: #fff; }
.btn-cta:hover { background: var(--cta-hover); }
.btn-outline { border: 2px solid var(--accent); color: var(--accent); }
.btn-outline:hover { background: var(--accent); color: #fff; }

/* Table */
.comparison-table { width: 100%; border-collapse: collapse; margin: 20px 0; font-size: 14px; }
.comparison-table th {
  background: var(--primary); color: #fff; padding: 10px 12px; text-align: left;
}
.comparison-table td { padding: 10px 12px; border-bottom: 1px solid var(--border); }
.comparison-table tr:nth-child(even) td { background: #f7f7f7; }

/* Info box */
.info-box {
  background: #e8f4fd; border-left: 4px solid var(--accent);
  padding: 16px 20px; margin: 24px 0; border-radius: 4px; font-size: 14px;
}
.info-box strong { color: var(--accent); }

/* FAQ */
.faq-item { margin-bottom: 16px; }
.faq-item h3 { font-size: 16px; margin-bottom: 4px; cursor: pointer; }
.faq-item h3::before { content: 'Q: '; color: var(--accent); font-weight: 700; }
.faq-item p { font-size: 14px; color: var(--text-light); margin-left: 12px; }

/* Breadcrumb */
.breadcrumb { font-size: 13px; color: var(--text-light); margin-bottom: 16px; }
.breadcrumb a { color: var(--accent); text-decoration: none; }
.breadcrumb a:hover { text-decoration: underline; }

/* Footer */
.site-footer {
  text-align: center; padding: 32px 20px; font-size: 13px; color: var(--text-light);
  border-top: 1px solid var(--border); margin-top: 48px;
}
.site-footer a { color: var(--accent); text-decoration: none; }
.disclaimer {
  font-size: 12px; font-style: italic; color: #999;
  max-width: 600px; margin: 16px auto 0;
}

/* responsive */
@media (max-width: 600px) {
  .header-inner { flex-direction: column; gap: 8px; }
  .site-nav a { margin: 0 8px; }
  .product-card { flex-direction: column; text-align: center; }
  .cat-grid { grid-template-columns: 1fr; }
  .hero h1 { font-size: 22px; }
  article h1 { font-size: 22px; }
}