:root{--navy:#123b5d;--navy2:#0c2d48;--teal:#14817a;--mint:#e9f6f2;--blue:#e9f2f8;--amber:#fff4d9;--red:#a13b3b;--ink:#183248;--muted:#617383;--line:#d8e2e7;--paper:#fff;--bg:#f2f6f7;--shadow:0 16px 44px rgba(18,59,93,.09)}
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.eyebrow{font-size:20px;line-height:1.3;letter-spacing:.055em;margin-bottom:12px}
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.related-calculations summary{display:flex;align-items:center;gap:14px}.related-calculations summary::after{content:"⌄";margin-left:auto;color:var(--teal);font-size:22px;line-height:1;transition:transform .2s}.related-calculations[open] summary::after{transform:rotate(180deg)}.direction{transition:background .2s,border-color .2s,box-shadow .2s}.direction.algorithm-complete{background:var(--mint);border-color:#9bcfc5;box-shadow:0 0 0 3px rgba(20,129,122,.06)}.direction.algorithm-complete h3{color:#106d67}.direction.algorithm-complete .section-icon{background:var(--teal);color:#fff}