* { box-sizing: border-box; margin: 0; padding: 0; }
:root {
  --bg: #ffffff; --bg-alt: #f8f9fa; --bg-card: #ffffff; --bg-card-hover: #f1f3f5;
  --border: #e2e8f0; --border-light: #f1f5f9;
  --text: #1a202c; --text-muted: #64748b; --text-light: #94a3b8;
  --accent: #2563eb; --accent-hover: #1d4ed8; --accent-light: #dbeafe;
  --success: #16a34a; --danger: #dc2626; --warning: #d97706;
  --card-radius: 12px; --transition: all 0.2s ease;
}
body { font-family: 'Inter', 'Segoe UI', system-ui, -apple-system, sans-serif; background: var(--bg); color: var(--text); line-height: 1.7; min-height: 100vh; font-size: 16px; }
header { background: #ffffff; border-bottom: 1px solid var(--border); padding: 16px 24px; position: sticky; top: 0; z-index: 100; box-shadow: 0 1px 3px rgba(0,0,0,0.05); }
nav { display: flex; align-items: center; justify-content: space-between; max-width: 1200px; margin: 0 auto; }
.logo { font-size: 20px; font-weight: 700; color: var(--text); text-decoration: none; display: flex; align-items: center; gap: 8px; }
.logo-icon { width: 32px; height: 32px; background: linear-gradient(135deg, #f59e0b, #d97706); border-radius: 8px; display: flex; align-items: center; justify-content: center; font-size: 16px; }
.nav-links a { margin-left: 24px; color: var(--text-muted); text-decoration: none; font-size: 14px; font-weight: 500; transition: color 0.2s; }
.nav-links a:hover { color: var(--accent); }
main { max-width: 1200px; margin: 0 auto; padding: 24px; }
.hero { text-align: center; padding: 60px 20px; background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%); border-radius: 16px; margin-bottom: 40px; border: 1px solid var(--border); }
.hero h1 { font-size: 40px; margin-bottom: 12px; font-weight: 800; color: var(--text); letter-spacing: -0.5px; }
.hero p { font-size: 18px; color: var(--text-muted); margin-bottom: 24px; max-width: 600px; margin-left: auto; margin-right: auto; }
.cta { display: inline-block; padding: 14px 28px; background: var(--accent); color: #fff; border-radius: 8px; text-decoration: none; font-weight: 600; font-size: 16px; transition: all 0.2s; }
.cta:hover { background: var(--accent-hover); transform: translateY(-1px); box-shadow: 0 4px 12px rgba(37,99,235,0.3); }
.categories h2, .featured h2, .starter-kits h2 { font-size: 24px; margin-bottom: 16px; color: var(--text); font-weight: 700; }
.cat-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: 12px; margin-bottom: 40px; }
.cat-card { display: flex; flex-direction: column; align-items: center; justify-content: center; padding: 20px 16px; background: var(--bg-card); border: 1px solid var(--border); border-radius: 12px; text-decoration: none; color: var(--text); font-size: 13px; font-weight: 600; transition: all 0.2s; gap: 8px; }
.cat-card:hover { background: var(--bg-card-hover); border-color: var(--accent); transform: translateY(-2px); box-shadow: 0 4px 12px rgba(0,0,0,0.08); }
.cat-card .icon { font-size: 32px; }
.article-list { display: grid; gap: 16px; }
.article-card { background: var(--bg-card); border: 1px solid var(--border); border-radius: 12px; padding: 24px; transition: all 0.2s; }
.article-card:hover { border-color: var(--accent); transform: translateY(-2px); box-shadow: 0 4px 12px rgba(0,0,0,0.08); }
.article-card h3 { font-size: 18px; margin-bottom: 8px; font-weight: 600; }
.article-card h3 a { color: var(--text); text-decoration: none; }
.article-card h3 a:hover { color: var(--accent); }
.article-card p { color: var(--text-muted); font-size: 14px; line-height: 1.5; }
.article-card .meta { font-size: 12px; color: var(--text-muted); margin-top: 12px; display: flex; gap: 12px; align-items: center; flex-wrap: wrap; }
.article-card .meta span { background: var(--bg-alt); padding: 3px 10px; border-radius: 6px; font-size: 11px; }
.article-card .meta .score { background: var(--accent); color: #fff; font-weight: 700; }
.kits-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 16px; margin-bottom: 40px; }
.kit-card { background: var(--bg-card); border: 1px solid var(--border); border-radius: 12px; padding: 24px; transition: all 0.2s; }
.kit-card:hover { border-color: var(--accent); transform: translateY(-2px); box-shadow: 0 4px 12px rgba(0,0,0,0.08); }
.kit-card h3 { font-size: 20px; color: var(--accent); margin-bottom: 8px; }
.kit-card p { color: var(--text-muted); font-size: 14px; margin-bottom: 16px; }
.cta-small { display: inline-block; padding: 8px 16px; background: var(--accent); color: #fff; border-radius: 6px; text-decoration: none; font-weight: 600; font-size: 13px; transition: all 0.2s; }
.cta-small:hover { background: var(--accent-hover); }
footer { text-align: center; padding: 40px 24px; color: var(--text-muted); font-size: 13px; border-top: 1px solid var(--border); margin-top: 40px; background: var(--bg-alt); }
footer a { color: var(--accent); text-decoration: none; }
footer a:hover { text-decoration: underline; }
.trust-bar { display: flex; justify-content: center; gap: 24px; padding: 16px; background: var(--bg-alt); border-radius: 8px; margin-bottom: 24px; font-size: 12px; color: var(--text-muted); }
.trust-bar span { display: flex; align-items: center; gap: 4px; }
.article { max-width: 800px; margin: 0 auto; }
.article h1 { font-size: 32px; margin-bottom: 8px; line-height: 1.3; color: var(--text); }
.article .meta { font-size: 13px; color: var(--text-muted); margin-bottom: 24px; display: flex; gap: 12px; flex-wrap: wrap; align-items: center; }
.article .meta .author { display: flex; align-items: center; gap: 8px; }
.article .meta .author img { width: 32px; height: 32px; border-radius: 50%; background: var(--bg-alt); }
.article .intro { font-size: 18px; color: var(--text); margin-bottom: 24px; line-height: 1.7; }
.article h2 { font-size: 22px; margin: 36px 0 12px; color: var(--text); border-bottom: 1px solid var(--border); padding-bottom: 8px; }
.article h3 { font-size: 18px; margin: 20px 0 8px; color: var(--text); }
.article p { margin-bottom: 16px; color: var(--text); }
.article ul, .article ol { margin: 0 0 16px 24px; color: var(--text); }
.article li { margin-bottom: 4px; }
.article table { width: 100%; border-collapse: collapse; margin: 16px 0; background: var(--bg-card); border-radius: 8px; overflow: hidden; border: 1px solid var(--border); }
.article th, .article td { padding: 12px; border: 1px solid var(--border); text-align: left; font-size: 14px; }
.article th { background: var(--bg-alt); font-weight: 600; color: var(--text); }
.article td { color: var(--text-muted); }
.article .product { background: var(--bg-card); border: 1px solid var(--border); border-radius: 12px; padding: 24px; margin: 24px 0; }
.article .product h3 { margin-top: 0; color: var(--text); }
.article .product-meta { font-size: 13px; color: var(--text-muted); margin-bottom: 12px; display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }
.article .product-meta .price { font-weight: 700; color: var(--text); }
.article .product-meta .score { background: var(--accent); color: #fff; padding: 2px 8px; border-radius: 4px; font-weight: 700; font-size: 12px; }
.article .affiliate { color: var(--accent); text-decoration: none; font-weight: 600; }
.article .affiliate:hover { text-decoration: underline; }
.article .pros-cons { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-top: 12px; }
.article .pros h4 { color: var(--success); margin-bottom: 4px; font-size: 14px; }
.article .cons h4 { color: var(--danger); margin-bottom: 4px; font-size: 14px; }
.article .pros ul, .article .cons ul { margin-left: 16px; font-size: 14px; }
.article .faq { background: var(--bg-alt); border: 1px solid var(--border); border-radius: 8px; padding: 16px; margin: 12px 0; }
.article .faq h3 { margin-top: 0; color: var(--text); font-size: 16px; }
.article .disclosure { background: #fffbeb; border: 1px solid #fbbf24; border-radius: 8px; padding: 16px; margin: 24px 0; }
.article .disclosure h3 { margin-top: 0; font-size: 14px; color: #92400e; }
.article .disclosure p { font-size: 12px; color: #78350f; margin: 0; }
.article .testing-method { background: var(--bg-alt); border: 1px solid var(--border); border-radius: 8px; padding: 16px; margin: 24px 0; }
.article .testing-method h3 { margin-top: 0; font-size: 14px; color: var(--text); }
.article .testing-method p { font-size: 13px; color: var(--text-muted); margin: 0; }
.article .author-bio { display: flex; gap: 16px; align-items: center; padding: 16px; background: var(--bg-alt); border-radius: 8px; margin: 24px 0; }
.article .author-bio img { width: 48px; height: 48px; border-radius: 50%; background: var(--border); }
.article .author-bio .info { flex: 1; }
.article .author-bio .name { font-weight: 600; color: var(--text); font-size: 14px; }
.article .author-bio .title { font-size: 12px; color: var(--text-muted); }
/* Image placeholders */
.img-placeholder { background: linear-gradient(135deg, var(--bg-card), var(--bg-card-hover)); border-radius: 12px; display: flex; align-items: center; justify-content: center; overflow: hidden; position: relative; }
.img-placeholder .icon { font-size: 48px; opacity: 0.3; }
.img-placeholder img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.3s; }
.img-placeholder:hover img { transform: scale(1.05); }
.img-placeholder .badge { position: absolute; top: 8px; right: 8px; background: var(--accent); color: #fff; padding: 2px 8px; border-radius: 4px; font-size: 11px; font-weight: 700; }
.cat-card .img-placeholder { width: 64px; height: 64px; margin: 0 auto 8px; border-radius: 50%; }
.cat-card .img-placeholder .icon { font-size: 28px; }
.product-img { width: 100%; height: 200px; margin-bottom: 16px; border-radius: 8px; }
.hero-img { width: 100%; height: 240px; border-radius: 12px; margin-bottom: 24px; }
.starter-img { width: 100%; height: 120px; border-radius: 8px; margin-bottom: 12px; }
@media (max-width: 768px) { .hero h1 { font-size: 28px; } .nav-links { display: none; } .cat-grid { grid-template-columns: repeat(2, 1fr); } .pros-cons { grid-template-columns: 1fr; } .trust-bar { flex-wrap: wrap; gap: 12px; } }