:root{--bp-xs: 480px;--bp-sm: 768px;--bp-md: 1024px;--font-xs: clamp(.7rem, 1.5vw, .8rem);--font-sm: clamp(.8rem, 2vw, .9rem);--font-base: clamp(.9rem, 2.5vw, 1rem);--font-md: clamp(1rem, 3vw, 1.2rem);--font-lg: clamp(1.2rem, 4vw, 1.8rem);--font-xl: clamp(1.8rem, 6vw, 2.8rem);--font-2xl: clamp(2.2rem, 8vw, 3.5rem);--content-max: 1100px;--content-padding: clamp(1rem, 5vw, 2rem);--header-height: auto;--section-gap: clamp(3rem, 8vw, 5rem);--radius: 4px;--transition: color .35s ease, background-color .35s ease, border-color .35s ease, fill .35s ease, stroke .35s ease, box-shadow .35s ease;--bg: #ffffff;--text: #000000;--border: #000000;--card-bg: #ffffff;--muted: #666666}[data-theme=dark]{--bg: #000000;--text: #ffffff;--border: #ffffff;--card-bg: #000000;--muted: #aaaaaa}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth;font-family:Fira 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