:root{--ink: #0F172A;--ink-soft: #334155;--muted: #64748B;--line: #E2E8F0;--bg: #FFFFFF;--bg-tint: #F8FAFC;--accent: #1D4ED8;--accent-soft: #EFF6FF;--navy: #0B1220;--navy-line: #1E293B;--green: #047857;--green-soft: #ECFDF5;--amber: #B45309;--amber-soft: #FFFBEB;--radius: 12px;--max: 40rem}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Helvetica,Arial,sans-serif;color:var(--ink);background:var(--bg);-webkit-font-smoothing:antialiased;line-height:1.6}.wrap{max-width:720px;margin:0 auto;padding:0 24px}.wrap-wide{max-width:920px;margin:0 auto;padding:0 24px}section{padding:64px 0}@media (max-width: 640px){section{padding:44px 0}}h1,h2,h3{letter-spacing:-.02em;font-weight:800;margin:0 0 16px;color:var(--ink)}h1{font-size:clamp(2rem,5vw,3rem);line-height:1.12}h2{font-size:clamp(1.5rem,3.4vw,2.1rem);line-height:1.2}h3{font-size:1.05rem;margin-bottom:8px}p{margin:0 0 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