:root {
  --primary: #0f172a;
  --secondary: #334155;
  --accent: #0ea5e9;
  --accent-soft: #e0f2fe;
  --risk: #e11d48;
  --risk-soft: #ffe4e6;
  --positive: #10b981;
  --positive-soft: #d1fae5;
  --text: #1e293b;
  --text-muted: #64748b;
  --bg-page: #f8fafc;
  --card-bg: #ffffff;
  --border: #e2e8f0;
}
* { box-sizing: border-box; margin: 0; padding: 0; font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Arial, sans-serif; }
body { background-color: var(--bg-page); color: var(--text); line-height: 1.7; scroll-behavior: smooth; }
header { background: rgba(255,255,255,0.95); backdrop-filter: blur(10px); border-bottom: 1px solid var(--border); position: sticky; top: 0; z-index: 1000; }
.header-inner { max-width: 1200px; margin: 0 auto; padding: 1.2rem 2rem; display: flex; justify-content: space-between; align-items: center; }
.brand { font-size: 1.25rem; font-weight: 800; color: var(--primary); text-decoration: none; display: flex; align-items: center; gap: 0.5rem; }
.nav-links a { color: var(--text-muted); text-decoration: none; margin-left: 2rem; font-weight: 600; font-size: 0.95rem; transition: color 0.2s; }
.nav-links a:hover, .nav-links a.active { color: var(--accent); }
.hero { background: linear-gradient(135deg, #0f172a 0%, #1e1b4b 100%); color: white; padding: 7rem 2rem 6rem; text-align: center; }
.hero h1 { font-size: 3rem; font-weight: 800; margin-bottom: 1.5rem; letter-spacing: -0.02em; line-height: 1.2; }
.hero p { font-size: 1.2rem; color: #94a3b8; max-width: 800px; margin: 0 auto; font-weight: 300; }
.container { max-width: 1200px; margin: 0 auto; padding: 5rem 2rem; }
.section-header { margin-bottom: 3.5rem; text-align: center; }
.section-header h2 { font-size: 2.2rem; color: var(--primary); margin-bottom: 1rem; }
.section-header p { color: var(--text-muted); font-size: 1.1rem; max-width: 700px; margin: 0 auto; }
.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); gap: 2.5rem; }
.card { background: var(--card-bg); border: 1px solid var(--border); border-radius: 16px; padding: 2.5rem; transition: transform 0.3s, box-shadow 0.3s; }
.card:hover { transform: translateY(-5px); box-shadow: 0 10px 25px -5px rgba(0,0,0,0.05); }
.card-icon { font-size: 2.5rem; margin-bottom: 1.5rem; }
.card h3 { font-size: 1.4rem; color: var(--primary); margin-bottom: 1rem; }
.card p { color: var(--secondary); font-size: 1rem; }
.tag { display: inline-block; padding: 0.3rem 0.8rem; border-radius: 999px; font-size: 0.8rem; font-weight: 700; margin-bottom: 1rem; }
.tag.positive { background: var(--positive-soft); color: var(--positive); }
.tag.risk { background: var(--risk-soft); color: var(--risk); }
.content-block { background: white; border: 1px solid var(--border); border-left: 4px solid var(--accent); padding: 3rem; border-radius: 12px; margin-bottom: 3rem; }
.content-block h3 { font-size: 1.6rem; margin-bottom: 1rem; color: var(--primary); }
footer { background: white; border-top: 1px solid var(--border); padding: 3rem 2rem; text-align: center; color: var(--text-muted); margin-top: 4rem; }
@media (max-width: 768px) { .nav-links { display: none; } .hero h1 { font-size: 2.2rem; } }