@keyframes hero-fade-in{0%{opacity:0}to{opacity:1}}:root{--font-heading:"Lexend Peta", sans-serif;--font-body:"Roboto Slab", serif;--font-italic:"Libre Caslon Text", serif;--font-weight-normal:400;--font-weight-bold:700;--color-page-background:#fff;--color-site-nav-background:#000;--color-site-nav-text:#fff;--color-site-nav-active:#fe9;--color-site-nav-mobile-border:#ccc;--color-header-text:#fff;--color-header-background:#444;--color-body-text:#000;--color-body-link:#635c38;--color-link-underline:#0008;--color-button-background:#fff;--color-button-text:#000;--color-button-border:#000;--color-button-hover-background:#000;--color-button-hover-text:#fff;--color-button-hover-border:#fff;--color-detail-label:#555;--color-author-name:#fe9;--border-radius:0.4rem}html{scrollbar-gutter:stable;color:var(--color-body-text);background-color:var(--color-page-background)}*,::after,::before{box-sizing:border-box}body{font-family:var(--font-body);font-size:clamp(14px,calc(14px + (18 - 14)*((100vw - 320px)/(1440 - 320))),18px);font-weight:var(--font-weight-normal);line-height:1.6;display:grid;min-height:100vh;min-height:100dvh;grid-template-rows:auto 1fr auto}h1,h2,h3,h4,h5,h6{font-family:var(--font-heading);text-transform:uppercase;letter-spacing:.06em}body,h1,h2,h3,h4,h5,h6,ol,p,ul{padding:0;margin:0}ol,ul{padding-inline-start:1.5rem;list-style-position:outside}ul{list-style-type:disc}ol{list-style-type:decimal}a,a:visited,em,i{font-family:var(--font-italic);font-style:italic}a,a:visited{padding-bottom:1px;font-weight:var(--font-weight-bold);color:var(--color-body-link);text-transform:none;text-decoration:none}a:focus,a:hover{opacity:.8}.content h3,.content h3+.heading-group{margin-left:1rem}.content h4,.content h4+.heading-group{margin-left:2rem}.content h5,.content h5+.heading-group{margin-left:3rem}.content h6,.content h6+.heading-group{margin-left:4rem}.content a:not(.button-link){text-decoration:underline 1px dotted var(--color-link-underline)}.content a:not(.button-link)::after{font-size:.85em;content:"🔗"}.site-nav{position:sticky;top:0;z-index:1000;display:flex;align-items:center;justify-content:space-around;width:100%;padding:1rem;font-size:1rem;color:var(--color-site-nav-text);background:var(--color-site-nav-background)}.nav-toggle{display:none;flex-direction:column;gap:.25rem;justify-content:center;width:2.5rem;height:2.5rem;padding:.4rem;cursor:pointer;background:var(--color-page-background);border:1px solid var(--color-site-nav-background)}.nav-toggle-bar{display:block;width:100%;height:2px;background:var(--color-site-nav-background)}.nav-menu{gap:0;padding:0;margin:0;list-style:none}.nav-item,.nav-menu,.nav-menu.is-open{display:flex}.nav-item{position:relative;align-items:center;padding-inline:1rem;text-align:center}.nav-item:first-child{padding-left:0}.nav-item:last-child{padding-right:0}.nav-menu a{display:block}.nav-menu .nav-item+.nav-item::before{position:absolute;top:50%;left:0;display:block;width:1px;height:100%;pointer-events:none;content:"";background-color:var(--color-site-nav-text);opacity:.7;transform:translateY(-50%)}.site-nav a{padding:0;font-family:var(--font-heading);font-style:normal;font-size:14px;text-transform:uppercase;letter-spacing:.06em}nav :not(.nav-item-active)>a{color:var(--color-site-nav-text)}nav .nav-item-active>a{color:var(--color-site-nav-active)}div.content{padding-block:1rem}div.content .heading-group>*+*,div.content>*+*{margin-block-start:1rem}.flex{display:flex;flex-direction:column}.flex.horizontal{flex-flow:row wrap;gap:1rem;place-content:stretch space-evenly;align-items:stretch}.two-up{flex:1}.section{padding:0;margin:0}.header{padding:40px 0;color:var(--color-header-text);background-color:var(--color-header-background);background-image:url(kidneybg.png);background-position:left top;background-size:calc(max(10vw,128px))}.header .section-inner{text-align:center}.section-inner{width:min(calc(100vw - 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