*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0}a{color:inherit;text-decoration:none}button{font:inherit;color:inherit;cursor:pointer}button,a{-webkit-tap-highlight-color:transparent}a:focus-visible,button:focus-visible,summary:focus-visible{outline:2px solid currentColor;outline-offset:6px}img{max-width:100%;display:block}p{font-size:18px;line-height:1.61}nav{display:flex;gap:24px;align-items:center}header{display:flex;align-items:center;justify-content:space-between;padding:24px 4vw;position:relative;z-index:5}header .mark{font-weight:600;letter-spacing:-.04em;font-size:23px}.label{font:12px/1.5 'Courier New',monospace;letter-spacing:.12em;text-transform:uppercase}h1,h2,h3,p{margin-top:0}h1,h2,h3{font-weight:400}footer{padding:40px 4vw;display:flex;justify-content:space-between;gap:24px;border-top:1px solid #8885;font-size:14px}.back{position:fixed;right:20px;bottom:20px;z-index:20;padding:12px 18px;background:#f4f4f4;color:#201d1d;border:1px solid #201d1d22;border-radius:100px;font:12px Arial;box-shadow:0 2px 16px #0001}.skip{position:fixed;top:-80px;background:white;color:black;padding:16px;z-index:100}.skip:focus{top:0}.reveal{transition:opacity .8s,transform .8s}.motion .reveal:not(.seen){opacity:0;transform:translateY(24px)}.credit{font-size:12px;opacity:.65}.text-link{display:inline-block;padding:12px 0;border-bottom:1px solid currentColor}.muted{opacity:.65}details{border-top:1px solid #8886;padding:22px 0}summary{cursor:pointer;list-style:none;display:flex;justify-content:space-between;font-size:22px}summary::-webkit-details-marker{display:none}summary:after{content:'+'}details[open] summary:after{content:'−'}details p{max-width:600px;margin:20px 0 0}section{scroll-margin-top:24px}@media(max-width:700px){header{padding:20px 24px}nav{gap:18px;font-size:14px}header .mark{font-size:20px}footer{padding:32px 24px;flex-direction:column}p{font-size:17px}.back{bottom:12px;right:12px}nav .extra{display:none}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{animation:none!important;transition:none!important}.motion .reveal:not(.seen){opacity:1;transform:none}}
/* Persistent document progress; difference blending stays visible on light and dark pages. */
.page-scroll-progress{position:fixed;left:0;bottom:0;width:100%;height:2px;background:#fff;mix-blend-mode:difference;z-index:1000;pointer-events:none;transform:scaleX(0);transform-origin:left center;transition:none}
.sea-sequence .sea-progress{display:none!important}