:root{--paper:#f7f2ea;--raised:#fffcf7;--sunk:#efe6d8;--ink:#1f1a17;--muted:#5e554d;--line:#d9cfc2;--amber:#c7771f;--amber-ink:#8f4f0c;--red:#a8231c;--red-soft:#f3d9d4;--mint:#2e7a66;--mint-soft:#d7ede5;--focus:#1f5fa8;--shadow:0 8px 30px #3a291008;color-scheme:light}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:150px}body{margin:0;background:var(--paper);color:var(--ink);font:16px/1.6 'Public Sans',sans-serif}a{color:inherit;text-decoration:none}button{font:inherit;color:inherit;cursor:pointer}button,a,summary{-webkit-tap-highlight-color:transparent}a:focus-visible,button:focus-visible,summary:focus-visible{outline:3px solid var(--focus);outline-offset:4px}h1,h2,h3,.brand,.big-number{font-family:'Bricolage Grotesque',sans-serif;letter-spacing:-.05em;line-height:1.02;margin:0;font-weight:800}p{margin:0 0 18px}svg{display:block;width:100%;height:auto}.wrap{max-width:1280px;margin-inline:auto;padding-inline:56px}.progress{position:fixed;top:0;left:0;width:0;height:4px;background:var(--amber);z-index:99}header{max-width:1440px;margin:auto;padding:27px 56px;display:flex;align-items:center;justify-content:space-between;gap:25px;border-bottom:1px solid var(--line)}.brand{display:flex;align-items:center;gap:9px;font-size:25px;letter-spacing:-1px;white-space:nowrap}.brand svg{width:25px;height:31px;color:var(--amber)}.brand-dot{font:10px 'Public Sans';align-self:start;letter-spacing:0}header nav{display:flex;gap:28px;font-size:13px;font-weight:600}header nav a:hover{color:var(--amber-ink)}.controls{display:flex;gap:8px;align-items:center}.controls button{border:1px solid var(--line);border-radius:100px;background:transparent;height:35px;padding:0 12px;font-size:13px}.controls button:hover{background:var(--sunk)}.controls #theme{font-size:20px;padding:0 10px}.skip{position:fixed;top:-100px;left:20px;background:var(--ink);color:var(--paper);padding:10px;z-index:100}.skip:focus{top:10px}.hero{display:grid;grid-template-columns:1.06fr 1fr;gap:40px;padding-block:62px 65px;align-items:center;min-height:690px}.eyebrow{font:500 11px/1.5 'IBM Plex Mono',monospace;letter-spacing:1.5px;color:var(--amber-ink);margin-bottom:26px}.status-dot{display:inline-block;width:7px;height:7px;background:var(--mint);border-radius:100%;margin-right:8px}h1{font-size:clamp(64px,7.7vw,108px);letter-spacing:-.04em;line-height:.98;margin-bottom:28px}.outlined{color:var(--amber)}.hero-lead{font-size:17px;color:var(--muted);line-height:1.7;margin-bottom:30px}.button{display:inline-flex;justify-content:space-between;align-items:center;gap:45px;border-radius:9px;font-size:13px;font-weight:700;padding:17px 21px;transition:transform .18s,background .18s}.button:hover{transform:translateY(-3px)}.button span{font-size:23px;line-height:1}.primary{background:var(--ink);color:var(--paper)}.hero-meta{display:flex;gap:18px;margin-top:30px;font:10px 'IBM Plex Mono';color:var(--muted)}.hero-meta span+span{border-left:1px solid var(--line);padding-left:18px}.hero-art{background:var(--sunk);border:1px solid var(--line);border-radius:24px;padding:22px 24px 18px;position:relative;background-image:radial-gradient(var(--line) .7px,transparent .7px);background-size:16px 16px}.art-top,.art-bottom{display:flex;justify-content:space-between;font:9px 'IBM Plex Mono';letter-spacing:.6px;color:var(--muted);align-items:center}.art-bottom{padding-top:12px}.art-bottom i{display:inline-block;width:6px;height:6px;border-radius:50%;background:var(--amber);margin-right:6px}.body-svg{max-height:448px}.body-shape{fill:var(--paper);stroke:var(--ink);stroke-width:2.5}.body-svg .map-label{font:12px 'Public Sans';fill:var(--ink)}.body-svg .map-index{font:9px 'IBM Plex Mono';fill:var(--muted)}.body-svg .map-link:hover .map-label{fill:var(--amber-ink);font-weight:700}.body-svg .connector{fill:none;stroke:var(--ink);stroke-width:1;opacity:.35}.body-svg .map-organ{fill:var(--amber);stroke:var(--ink);stroke-width:1.5;transition:fill .18s}.body-svg .map-link:hover .map-organ{fill:var(--red)}.ticker{background:var(--amber);color:#1f1a17;padding:16px 0;overflow:hidden;white-space:nowrap}.ticker div{display:flex;gap:45px;width:max-content;font:700 21px 'Bricolage Grotesque';animation:marquee 32s linear infinite}.ticker b{font-size:24px;font-weight:400}.intro{display:grid;grid-template-columns:1fr 1fr;gap:80px;padding-block:85px 50px;align-items:center}h2{font-size:clamp(38px,4.4vw,58px)}.intro .eyebrow{margin-bottom:20px}.intro>div>p:not(.eyebrow){max-width:60ch}.muted{color:var(--muted)}.small{font-size:12px;line-height:1.7}.text-link{text-decoration:underline;text-underline-offset:4px}.organ-nav-container{position:sticky;top:0;background:var(--paper);z-index:10;border-block:1px solid var(--line)}.organ-nav{display:flex;gap:6px;padding-block:13px;overflow:auto;scrollbar-width:thin}.organ-nav a{white-space:nowrap;font-size:11px;padding:8px 11px;border-radius:100px;border:1px solid transparent;transition:background .18s}.organ-nav a span{font:9px 'IBM Plex Mono';opacity:.65;margin-right:5px}.organ-nav a:hover{border-color:var(--line)}.organ-nav a.active{background:var(--ink);color:var(--paper)}#segments{padding-block:64px 85px}.segment{display:grid;grid-template-columns:.9fr 1.1fr;gap:55px;padding-block:32px 68px;border-bottom:1px solid var(--line);margin-bottom:68px;scroll-margin-top:75px;align-items:start}.segment:last-child{margin-bottom:0;padding-bottom:0;border:0}.segment:nth-child(even) .visual{order:2}.visual{position:sticky;top:100px;border:1px solid var(--line);border-radius:22px;background:var(--raised);box-shadow:var(--shadow);overflow:hidden}.visual-top{display:flex;justify-content:space-between;align-items:center;padding:22px 26px;font:10px 'IBM Plex Mono';color:var(--muted)}.big-number{font-size:32px;color:var(--line)}.organ-drawing{padding:0 25px}.organ-drawing svg{aspect-ratio:1.15;max-height:325px}.visual-caption{margin:0;padding:18px 26px;border-top:1px solid var(--line);font-size:11px;color:var(--muted)}.diagram{fill:var(--sunk);stroke:var(--ink);stroke-width:4;stroke-linecap:round;stroke-linejoin:round}.detail-line{fill:none;stroke:var(--ink);stroke-width:3;stroke-linecap:round;stroke-linejoin:round}.alcohol{fill:var(--amber)}.damage{fill:var(--red)}.rebuild{fill:var(--mint)}.segment .eyebrow{margin-bottom:12px}.segment h3{font-size:48px;margin-bottom:20px}.segment .lead{font-size:17px;line-height:1.65;margin-bottom:23px}.effect-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px}.effect{background:var(--sunk);border-radius:10px;padding:17px}.effect.risk{background:var(--red-soft)}.effect h4,.improvement h4{margin:0 0 8px;font-size:10px;letter-spacing:1px;font-weight:700;text-transform:uppercase}.effect p,.improvement p{font-size:12px;line-height:1.65;margin:0}.improvement{margin-top:10px;padding:17px 20px;background:var(--mint-soft);border-radius:10px;border-left:3px solid var(--mint)}.improvement h4{color:var(--mint)}.segment-sources{font-size:10px;color:var(--muted);margin-top:17px;line-height:1.8}.segment-sources a{text-decoration:underline;text-underline-offset:3px;margin-right:10px}.signal{stroke:var(--amber);stroke-width:4;stroke-dasharray:8 14;animation:signals 2.4s linear infinite}.brain-mist{animation:mist 2.4s ease-in-out infinite;opacity:.18}.neuron{animation:fading 2.4s ease-in-out infinite}.heart-beat{transform-origin:160px 145px;animation:heartbeat 2.4s infinite}.ecg{stroke:var(--red);stroke-width:3;fill:none;stroke-dasharray:380;animation:ecg 2.4s linear infinite}.lungs-breathe{transform-origin:160px 175px;animation:breathe 2.4s ease-in-out infinite}.breath-particle{animation:exhale 2.4s ease-out infinite;transform-origin:center}.drop{animation:drip 2.4s linear infinite}.fat{animation:fat 2.4s ease-in-out infinite}.liquid{animation:sway 2.4s ease-in-out infinite;transform-origin:center}.irritation{animation:fading 2.4s ease-in-out infinite}.halo{transform-origin:160px 150px;animation:halo 2.4s ease-out infinite;fill:none;stroke:var(--red);stroke-width:13}.water-level{transform-origin:255px 220px;animation:level 2.4s ease-in-out infinite}.gut-flow{fill:none;stroke:var(--amber);stroke-width:11;stroke-linecap:round;stroke-dasharray:20 30;animation:signals 2.4s linear infinite}.microbe{animation:microbe 2.4s ease-in-out infinite}.recovery{padding-block:60px;background:var(--mint-soft);border-radius:24px;max-width:1168px;margin-bottom:90px}.recovery .eyebrow{color:var(--mint)}.recovery h2{font-size:clamp(45px,5.5vw,74px)}.recovery-bottom{display:grid;grid-template-columns:1fr 1fr;gap:50px;align-items:center;margin-top:30px}.recovery-bottom p{font-size:15px;max-width:48ch;margin:0}.light{background:var(--raised);justify-self:end}.safety{border-top:1px solid #2e7a6640;margin-top:35px;padding-top:20px;font-size:12px}.safety summary{cursor:pointer;list-style:none;display:flex;justify-content:space-between;font-weight:600;gap:20px}.safety summary::-webkit-details-marker{display:none}.safety summary span{font-size:20px}.safety p{max-width:80ch;margin-top:16px}.safety a{text-decoration:underline}.sources{display:grid;grid-template-columns:1fr 1fr;gap:90px;padding-bottom:75px}.sources h2{font-size:43px;margin-bottom:22px}.sources p{font-size:13px}.source-list>a{display:flex;justify-content:space-between;align-items:center;padding:17px 0;border-bottom:1px solid var(--line)}.source-list>a:first-child{padding-top:0}.source-list b{font-size:14px}.source-list small{display:block;font-size:11px;color:var(--muted);margin-top:4px}.source-list p{margin-top:20px}footer{display:flex;justify-content:space-between;align-items:center;border-top:1px solid var(--line);padding-block:32px;font-size:11px}footer .brand{font-size:22px}.paused *, .paused *:before{animation-play-state:paused!important}.paused{scroll-behavior:auto}.dark{--paper:#16120f;--raised:#221c18;--sunk:#0f0c0a;--ink:#f3ece3;--muted:#b6aaa0;--line:#3a322c;--amber:#e39a45;--amber-ink:#f0b36e;--red:#f0766b;--red-soft:#3a1916;--mint:#6cc7ab;--mint-soft:#15302a;--focus:#7fb2f0;color-scheme:dark}.reveal-in{animation:reveal .6s ease both}@keyframes reveal{from{opacity:0;transform:translateY(22px)}to{opacity:1;transform:none}}@keyframes marquee{to{transform:translateX(-50%)}}@keyframes signals{to{stroke-dashoffset:-100}}@keyframes mist{50%{opacity:.38}}@keyframes fading{0%,100%{opacity:1}50%{opacity:.2}}@keyframes heartbeat{0%,24%,50%,100%{transform:scale(1)}12%{transform:scale(1.07)}36%{transform:scale(1.04)}65%{transform:scale(1.09)}}@keyframes ecg{from{stroke-dashoffset:380}to{stroke-dashoffset:0}}@keyframes breathe{50%{transform:scale(1.06)}}@keyframes exhale{0%{transform:translateY(20px);opacity:0}30%{opacity:1}100%{transform:translateY(-45px);opacity:0}}@keyframes drip{0%{transform:translateY(-25px);opacity:0}25%{opacity:1}100%{transform:translateY(65px);opacity:0}}@keyframes fat{0%,100%{opacity:.2}60%{opacity:.85}}@keyframes sway{50%{transform:translateY(4px) rotate(3deg)}}@keyframes halo{0%{transform:scale(.86);opacity:.1}60%{opacity:.35}100%{transform:scale(1.1);opacity:0}}@keyframes level{0%,100%{transform:scaleY(1)}80%{transform:scaleY(.38)}}@keyframes microbe{50%{fill:var(--red)}}@media(prefers-reduced-motion:reduce){*,*:before{animation:none!important;transition:none!important}html{scroll-behavior:auto}}@media(min-width:1500px){.hero{min-height:740px}}@media(max-width:1050px){header{padding-inline:28px}header nav{gap:17px}.wrap{padding-inline:30px}.hero{gap:22px;min-height:600px}.hero-meta{font-size:9px}.hero-art{padding-inline:16px}h1{font-size:80px}.intro{gap:40px}.segment{gap:30px}.recovery{margin-inline:30px}.organ-nav a{padding-inline:9px}.controls button span{display:none}}@media(max-width:760px){html{scroll-padding-top:90px}header{padding:20px;gap:10px}.brand{font-size:22px}.brand svg{width:21px}header nav{display:none}.wrap{padding-inline:22px}.hero{grid-template-columns:1fr;padding-block:42px 35px;gap:34px}.hero .eyebrow{font-size:9px;margin-bottom:24px}h1{font-size:clamp(67px,13.2vw,94px)}.hero-lead{font-size:16px}.hero-meta{margin-top:25px}.hero-art{max-width:520px;width:100%;justify-self:center}.body-svg{max-height:415px}.ticker{padding-block:13px}.ticker div{font-size:18px;gap:28px}.intro{grid-template-columns:1fr;gap:24px;padding-block:50px 30px}.intro h2{font-size:43px}.intro p{font-size:14px}.organ-nav{padding-inline:16px;padding-block:10px}.organ-nav a{font-size:11px;padding:8px 10px}#segments{padding-top:35px;padding-bottom:45px}.segment{grid-template-columns:1fr;gap:25px;padding-top:0;padding-bottom:40px;margin-bottom:40px}.segment:nth-child(even) .visual{order:0}.visual{position:relative;top:0}.visual-top{padding:17px 22px}.organ-drawing svg{max-height:265px}.visual-caption{padding:14px 22px}.segment h3{font-size:41px}.segment .lead{font-size:16px}.effect{padding:15px}.recovery{margin:0 16px 50px;padding:35px 24px}.recovery h2{font-size:45px}.recovery-bottom{grid-template-columns:1fr;gap:22px}.light{justify-self:start;gap:18px;font-size:11px}.sources{grid-template-columns:1fr;gap:25px;padding-bottom:40px}.sources h2{font-size:38px}footer{gap:20px;flex-wrap:wrap;padding-block:25px}footer>span{display:none}}