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brightness(1)}.character--dark{opacity:0;filter:drop-shadow(0 1.4rem 3.2rem rgba(0,0,0,.58))}.character-layer[data-character-reveal=true] .character--light[data-loaded=true]{opacity:1}.character-layer[data-character-reveal=true] .character--dark[data-loaded=true]{opacity:0}.dark .character--light{opacity:0;filter:drop-shadow(0 1.4rem 2.4rem rgba(18,30,58,.12)) brightness(.9)}.dark .character-layer[data-character-reveal=true] .character--light[data-loaded=true]{opacity:0}.dark .character-layer[data-character-reveal=true] .character--dark[data-loaded=true]{opacity:1}@media (min-width:981px){.formula-card{--spawn-offset:7rem}}.hero-bottom{position:relative;z-index:6;display:grid;width:100%;justify-items:center;isolation:isolate;gap:clamp(1.05rem,2.4vh,1.7rem);padding-bottom:clamp(1.5rem,3vh,2.4rem)}.hero-bottom:before{position:absolute;inset:-1.7rem -10vw 0;z-index:-1;content:"";background:radial-gradient(ellipse at 50% 0,rgba(var(--paper-rgb),.76) 0,rgba(var(--paper-rgb),.58) 42%,rgba(var(--paper-rgb),.34) 70%,rgba(var(--paper-rgb),0) 100%),linear-gradient(to bottom,rgba(var(--paper-rgb),.36) 0,rgba(var(--paper-rgb),.5) 42%,rgba(var(--paper-rgb),.72) 74%,rgba(var(--paper-rgb),.9) 100%);filter:blur(50px);pointer-events:none;transform:translateZ(0);transition:opacity var(--theme-duration) var(--theme-ease),filter var(--theme-duration) var(--theme-ease)}.hero-copy{position:relative;z-index:5;display:grid;justify-items:center;isolation:isolate;margin-bottom:0;color:hsl(var(--foreground));text-align:center;text-shadow:0 1px 18px rgba(var(--paper-rgb),.56);transition:color var(--theme-duration) var(--theme-ease),text-shadow var(--theme-duration) var(--theme-ease)}.hero-copy:before{content:none}.dark .hero-copy{text-shadow:0 1px 24px rgba(0,0,0,.88)}.hero-copy__latin{display:flex;align-items:center;gap:1.1rem;margin:0;color:hsl(var(--foreground));font-size:clamp(.95rem,1.3vw,1.2rem);transition:color var(--theme-duration) var(--theme-ease)}.hero-copy__latin span:first-child,.hero-copy__latin span:last-child{color:hsl(var(--accent));transition:color var(--theme-duration) var(--theme-ease)}.hero-copy__cn{margin:.86rem 0 1.2rem;font-family:var(--font-sans);font-size:clamp(.95rem,1.25vw,1.08rem);font-weight:600;line-height:1.4;letter-spacing:.28em}.hero-guide-origin{position:relative;display:block;width:1.16rem;height:.7rem;pointer-events:none}.hero-guide-pointer{position:absolute;top:0;left:0;display:block;width:100%;height:100%;pointer-events:none;transform-origin:center;will-change:transform}.hero-copy__mark{display:block;width:0;height:0;border-top:.7rem solid hsl(var(--accent));border-right:.58rem solid transparent;border-left:.58rem solid transparent;transition:border-top-color var(--theme-duration) var(--theme-ease)}.social-dock{position:relative;z-index:6;display:flex;align-items:center;justify-content:center;gap:clamp(1.35rem,4vw,3.4rem);width:min(58rem,calc(100vw - 2rem));margin:0 auto;padding:0;transition:filter 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svg{width:1.45rem;height:1.45rem;stroke-width:1.8}.social-link__label{color:hsl(var(--muted));font-size:.72rem;line-height:1;transition:color var(--theme-duration) var(--theme-ease),opacity var(--theme-duration) var(--theme-ease)}.theme-is-switching .social-link__label{opacity:.72}.social-dock__divider{width:1px;height:2.05rem;background:hsl(var(--accent)/.62);transition:background-color var(--theme-duration) var(--theme-ease),box-shadow var(--theme-duration) var(--theme-ease),opacity var(--theme-duration) var(--theme-ease)}.theme-is-switching .social-dock__divider{opacity:.48;box-shadow:0 0 18px hsl(var(--accent)/.28)}@media (max-width:980px){.home-hero{min-height:clamp(34rem,calc(100vh - 5.3rem),58rem)}.formula-card{width:var(--card-width,min(28vw,18rem))}.formula-field{top:clamp(6.1rem,11vh,7.2rem);bottom:clamp(8rem,16vh,11rem)}.formula-card .katex{font-size:.78rem}.character{height:clamp(42rem,116vh,74rem)}}@media (min-width:681px) and (max-width:1180px) and 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