:root{--navy:#0b2932;--mint:#85ebce;--paper:#f7f8f4;--ink:#17343c;--muted:#50666b;--line:#d1dfd9}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:24px}body{margin:0;background:var(--paper);color:var(--ink);font:17px/1.65 system-ui,-apple-system,sans-serif}a{color:inherit;text-underline-offset:4px}button,input,textarea{font:inherit}button,a,input,textarea,summary{outline-offset:5px}button{cursor:pointer}.skip{position:absolute;left:16px;top:-100px;background:white;padding:12px;z-index:10}.skip:focus{top:8px}.learn-header{display:flex;align-items:center;justify-content:space-between;gap:26px;padding:25px 5%;border-bottom:1px solid var(--line);background:white}.learn-brand{display:flex;align-items:center;gap:14px;text-decoration:none;font:700 36px Georgia,serif}.learn-brand span{font:700 14px/1.4 system-ui}.learn-brand small{display:block;font-size:10px;letter-spacing:1px}.learn-header nav{display:flex;gap:22px;flex-wrap:wrap;font-size:15px}.learn-header nav 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