:root{--bg:#0d0f14;--surface:#151922;--text:#f3f6ff;--muted:#a8b1c2;--line:#2a3140;--brand:#f1c40f;--brand-strong:#dbad00;--header-bg:rgba(13,15,20,0.84);--header-border:rgba(42,49,64,0.9);--nav-hover:rgba(255,255,255,0.08);--btn-secondary-bg:rgba(20,25,34,0.75);--card-bg:rgba(21,25,34,0.9);--strip-alt-bg:linear-gradient(145deg,rgba(21,25,34,0.95),rgba(38,31,14,0.94));--mobile-nav-bg:#121722;--radius:18px;--shadow:0 14px 34px rgba(0,0,0,0.32)}:root[data-theme=light]{--bg:#ffffff;--surface:#ffffff;--text:#141516;--muted:#5c6170;--line:#d9dde4;--header-bg:rgba(246,247,248,0.78);--header-border:rgba(217,221,228,0.8);--nav-hover:rgba(20,21,22,0.06);--btn-secondary-bg:rgba(255,255,255,0.75);--card-bg:rgba(255,255,255,0.86);--strip-alt-bg:linear-gradient(145deg,rgba(255,255,255,0.92),rgba(255,247,208,0.76));--mobile-nav-bg:#ffffff;--shadow:0 12px 40px rgba(18,22,31,0.08)}*{box-sizing:border-box}body,html{margin:0;padding:0}body{font-family:Avenir Next,Segoe 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