:root{--bg:#071f20;--panel:#0c2a2b;--ink:#f4f4df;--muted:#b2c7be;--accent:#d8eb81;--aqua:#77d7ce;--line:#ffffff21;--font:'Trebuchet MS',Arial,sans-serif}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--font);font-size:17px;line-height:1.65}button,a{-webkit-tap-highlight-color:transparent}button{font:inherit;cursor:pointer}button:focus-visible,a:focus-visible,summary:focus-visible{outline:3px solid var(--accent);outline-offset:5px}a{color:var(--aqua)}button{color:var(--ink);background:none;border:1px solid var(--line);padding:11px 18px;border-radius:6px}button:hover{background:#ffffff0c;border-color:#9fbaaa}button:disabled{opacity:.35;cursor:default}header{height:102px;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;padding:0 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span{margin-left:20px}.source-notes{font-size:13px;color:var(--muted);border-top:1px solid var(--line);padding-top:15px}.source-notes summary{cursor:pointer}.source-notes div{max-width:900px;padding-top:16px}.source-notes p{margin-bottom:12px}.reveal{animation:arrive .8s both}.reveal:nth-child(2){animation-delay:.12s}.reveal:nth-child(3){animation-delay:.24s}.reveal:nth-child(4){animation-delay:.36s}.reveal:nth-child(5){animation-delay:.46s}@keyframes arrive{from{opacity:0;transform:translateY(18px)}to{opacity:1;transform:none}}@keyframes forest-drift{from{transform:scale(1.02)}to{transform:scale(1.13) translateY(-10px)}}@keyframes dash{to{stroke-dashoffset:-60}}@keyframes pulse{0%,100%{opacity:.5}50%{opacity:1}}.motion-path{stroke-dasharray:7 12;animation:dash 3s linear infinite}.pulse{animation:pulse 4s ease-in-out infinite}.paused *{animation-play-state:paused!important;scroll-behavior:auto!important}.paused 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@media(min-width:1550px){main{padding:40px 65px}.scene{gap:70px;min-height:680px}.visual{min-height:540px}.forest{min-height:640px}.intro{font-size:21px}}
@media(max-width:1100px){header{padding:0 24px}.chapter-label{display:none}.layout{grid-template-columns:190px 1fr}aside{padding-left:15px}main{padding:25px}.scene{gap:24px;grid-template-columns:minmax(220px,1fr) minmax(270px,1fr)}h1,h2{font-size:43px}.visual{padding:22px}.forest{padding:0}.intro{font-size:17px}}
@media(max-width:850px){header{height:85px}.layout{display:block}aside{padding:13px 18px;border-right:0;border-bottom:1px solid var(--line)}.rail-title,.rail-foot{display:none}nav{flex-direction:row;overflow-x:auto;gap:4px;scrollbar-width:thin}nav button{white-space:nowrap;padding:9px 12px;font-size:13px}nav button[aria-current=step]{box-shadow:inset 0 -2px var(--accent)}main{padding:22px}.scene{grid-template-columns:1fr 1fr;gap:25px;min-height:560px}.visual{min-height:460px}.forest{min-height:520px}.journey-footer{gap:15px}h1,h2{font-size:42px}}
@media(max-width:620px){header{padding:0 18px;gap:12px}.brand{font-size:12px;letter-spacing:1px;gap:8px}.brand small{font-size:8px;letter-spacing:1px}.brand-mark{font-size:36px;width:35px}.brand-mark span{font-size:24px}#motion{padding:8px;font-size:12px}#motion span{margin-left:5px}main{padding:16px 20px}.scene{display:flex;flex-direction:column;gap:20px;min-height:0;align-items:stretch}.copy{padding:15px 0 0}.eyebrow{margin-bottom:15px;font-size:11px}h1,h2{font-size:45px;margin-bottom:20px;letter-spacing:-1px}.intro{font-size:18px}.body-copy{font-size:16px}.takeaway{margin-top:22px}.visual{min-height:400px;padding:24px}.forest{min-height:440px;padding:0}.forest-label{padding-top:260px}.journey-footer{position:relative;gap:12px;padding:20px 0;margin-top:23px}.journey-footer>button{padding:10px 12px;min-width:0;font-size:13px}.journey-footer #previous span{display:none}.next span{margin-left:8px}.progress-group{max-width:100px;font-size:10px}.metabolites{gap:5px}.metabolites span{font-size:12px}.source-notes{font-size:12px}.visual-caption{font-size:13px}.quote{font-size:33px}.pair strong{font-size:24px}.pair div{padding:15px 12px}}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;animation:none!important;transition:none!important}}

/* Reading and motion refinements across the existing ten scenes. */
html.motion-paused{scroll-behavior:auto!important}
.paused *{transition:none!important}
.brand small{font-size:.75rem;letter-spacing:.08em}
.eyebrow,.visual-title,.takeaway small,.rail-title{font-size:.875rem;letter-spacing:.1em}
.habitat span,.visual-caption,.source-notes,.legend,.observe-item p{font-size:.9375rem;line-height:1.65}
.flow-node,.pair p,.practice-item,.reflection-grid div,.in-lesson p,.in-lesson a{font-size:1rem;line-height:1.65}
.metabolites span,.habitat small,.pair small,.forest-label span,.day-strip span{font-size:.875rem}
.copy,.visual,.pair>div,.observe-item>div{min-width:0}
.source-notes a,.in-lesson a{overflow-wrap:anywhere;text-underline-offset:3px}
#journey{scroll-margin-top:1rem}
#scene-title:focus{outline:none}
.visual{animation:arrive .7s .12s both}
.habitats .habitat,.flow-node,.metabolites,.practice-item,.observe-item,.reflection-grid>div{animation:arrive .65s both}
.habitats .habitat:nth-child(2),.practice-item:nth-child(2),.observe-item:nth-child(2),.reflection-grid>div:nth-child(2){animation-delay:.12s}
.habitats .habitat:nth-child(3),.practice-item:nth-child(3),.observe-item:nth-child(3),.reflection-grid>div:nth-child(3){animation-delay:.24s}
.practice-item:nth-child(n+4),.observe-item:nth-child(n+4){animation-delay:.36s}
.paused .visual,.paused .habitat,.paused .flow-node,.paused .metabolites,.paused .practice-item,.paused .observe-item,.paused .reflection-grid>div{animation:none!important;opacity:1!important;transform:none!important}
@media(min-width:851px) and (max-width:1000px){.layout{grid-template-columns:190px minmax(0,1fr)}.scene{grid-template-columns:1fr}.visual{min-height:420px}.forest{min-height:480px}}
@media(max-width:850px){nav button{font-size:.875rem;min-height:44px}}
@media(max-width:720px){.scene{display:flex;flex-direction:column;align-items:stretch;min-height:0}.visual{min-height:400px}header{height:auto;min-height:85px;padding-top:14px;padding-bottom:14px;flex-wrap:wrap}.brand{font-size:.875rem;min-width:0}.brand small{font-size:.75rem;letter-spacing:.035em}.header-right{margin-left:auto}#motion{font-size:.875rem;min-height:44px}.eyebrow{font-size:.875rem}.journey-footer>button{font-size:.875rem;min-height:44px}.progress-group{font-size:.875rem}.source-notes,.visual-caption{font-size:.9375rem}.metabolites span{font-size:.875rem}.intro{font-size:1.125rem}}
@media(max-width:380px){main{padding-left:16px;padding-right:16px}.visual{padding:20px}.forest{padding:0}h1,h2{font-size:2.5rem;letter-spacing:-.02em}.pair,.practice-grid{grid-template-columns:1fr}.metabolites{grid-template-columns:1fr}.journey-footer{gap:8px}.next span{margin-left:4px}.visual-title{letter-spacing:.06em}.quote{font-size:1.875rem}}
@media(prefers-reduced-motion:reduce){.visual,.habitat,.flow-node,.metabolites,.practice-item,.observe-item,.reflection-grid>div{animation:none!important;opacity:1!important;transform:none!important}}

/* Forest journal: warm reading pages, deep canopy learning panels. */
:root{--bg:#f4f3e9;--ink:#173d35;--muted:#526a60;--line:#214b3626;--accent:#daec9a;--aqua:#8cdcd0}
body{background:var(--bg)}
header{background:#103c32;color:#f5f5e9;height:104px;border-bottom:1px solid #ffffff20;padding-inline:36px}
.brand{color:#f5f5e9}.brand small{color:#c9d8c8}.chapter-label{color:#c9d8c8;font-size:.75rem}
#motion{color:#edf3de;border-color:#ffffff38;border-radius:30px;padding:10px 17px}#motion:hover{background:#ffffff12}
.layout{grid-template-columns:224px minmax(0,1fr)}
aside{background:#e8ecde;border-color:#204b3320;padding:35px 16px 28px 24px}
.rail-title{font-size:.75rem;letter-spacing:.16em;color:#526657}
nav{gap:7px}nav button{color:#536459;border-radius:9px;padding:12px 10px;transition:background .2s,color .2s}
nav button .num{display:grid;place-items:center;flex:0 0 27px;height:27px;border:1px solid #52725b30;border-radius:50%;color:#5e715b;font-size:.75rem}
nav button:hover{background:#dce4cf;color:#163c31}
nav button[aria-current=step]{background:#173f32;color:#f0f5db;box-shadow:0 5px 16px #173f3212}
nav button[aria-current=step] .num{background:#dfeda6;border-color:#dfeda6;color:#234733}
.rail-foot{color:#586d5e}.rail-foot strong{color:#234532}
main{padding:36px 42px 24px}
.scene{gap:40px;min-height:635px;align-items:center;grid-template-columns:minmax(0,1fr) minmax(0,1.06fr)}
.copy{padding:22px 0;max-width:620px}
.eyebrow{font-size:.75rem;letter-spacing:.13em;color:#52713d;margin-bottom:24px}.eyebrow:before{background:#668744;width:23px}
h1,h2{font-size:clamp(2.7rem,4.4vw,4.8rem);line-height:1.06;letter-spacing:-.045em;color:#193f32;margin-bottom:28px;text-wrap:balance}
h1 em,h2 em{color:#648337}
.intro{color:#294e40;font-size:1.1875rem;line-height:1.8;max-width:39ch}
.body-copy{color:#5c6c5e;font-size:1rem;line-height:1.8;max-width:48ch}
.takeaway{border:1px solid #73905235;border-left:3px solid #739052;background:#e7ecd9;padding:18px 20px;border-radius:0 12px 12px 0;color:#2b4835;font-size:1rem;line-height:1.7;margin-top:30px}
.takeaway small{color:#526b38;font-size:.75rem;letter-spacing:.12em;margin-bottom:8px}
.visual{--ink:#f3f4df;--muted:#b9cfc1;--line:#ffffff24;color:var(--ink);background:linear-gradient(145deg,#194b3d,#092e28);border:1px solid #163e32;border-radius:22px;padding:32px;box-shadow:0 18px 40px #193f3217;min-height:540px}
.visual-title{color:#d7e6bf;font-size:.75rem;letter-spacing:.13em;padding-bottom:17px;border-bottom:1px solid #ffffff22;margin-bottom:23px}
.visual-caption{color:#b9cfc1;font-size:.875rem}.visual button{color:#e6eedb;border-color:#ffffff30;border-radius:12px}.visual button:hover{background:#ffffff12;border-color:#c0d890}
.forest{padding:0;min-height:635px;border:none;border-radius:80px 22px 22px 22px;box-shadow:0 22px 45px #0a322a25}
.forest img{object-position:48% center}.forest:after{background:linear-gradient(180deg,#08291a00 35%,#072d27f2 100%)}
.forest-label{margin:auto 32px 32px;padding-top:370px}.forest-label span{font-size:.75rem;letter-spacing:.16em}.forest-label p{font-size:clamp(1.9rem,2.8vw,2.7rem);line-height:1.16;color:#f4f5df}.forest-label small{font-size:.875rem}
.habitat{background:#ffffff05;padding:17px 18px}.habitat.active{background:#d8eb8113;border-color:#d8eb81}.habitat strong{font-size:1.55rem}.habitat small{right:18px}.detail,.vocab-info{background:#ffffff07;border-left:2px solid #c9df93;padding:16px 18px;border-radius:0 9px 9px 0;line-height:1.7}
.food-row{gap:8px}.food-row button{border-radius:30px;padding:9px 14px}.food-row button.active{background:#daec9a;color:#183e31}
.flow-node{background:#ffffff05;border-color:#8cdcd04a;padding:19px 14px;border-radius:12px}.flow-node strong{font-family:Georgia,serif;font-size:1.65rem;margin-bottom:5px}
.metabolites span{border:1px solid #d8eb8126;padding:11px 5px;border-radius:8px}
.pair div{background:#ffffff05;border-radius:12px}.pair strong{font-size:1.75rem}.pair small{font-size:.75rem;letter-spacing:.06em}
.vocab button{padding:16px 18px;background:#ffffff04}.vocab button.active{background:#d8eb8110}.vocab button span{font-family:Arial,sans-serif;font-size:1.1rem;color:#daec9a}
.practice-grid{gap:0 20px}.practice-item{padding:16px 0}.practice-item span{font-size:.75rem;min-width:20px}
.observe-item{background:#ffffff04;border-radius:12px;padding:13px}.day-strip{justify-content:center;gap:12px}.day-strip span{background:#d8eb810d;width:34px;height:34px}
.quote{font-size:clamp(2rem,3vw,2.8rem);line-height:1.22;letter-spacing:-.025em}.reflection-grid{gap:18px}.reflection-grid b{margin-bottom:7px}
.scene[data-scene="9"] .visual{background:linear-gradient(#082d27e8,#082d27f5),url('forest.webp') center/cover}
.journey-footer{border-color:#294b352b;margin-top:34px;padding:24px 0;gap:20px}.journey-footer>button{border-radius:30px;min-height:48px;padding:12px 22px}
#previous{color:#365744;border-color:#36574430}#previous:hover{background:#e4e9d8}
.next{background:#1d4938;color:#f3f5df;border-color:#1d4938;box-shadow:0 5px 13px #163e3212}.next:hover{background:#305c42;color:#fff}
.progress-group{color:#5b705b;font-size:.875rem;max-width:200px}.progress-track{background:#ced7bd;height:5px;border-radius:5px;overflow:hidden}.progress-track>div{background:#6c8944}
.source-notes{color:#64725d;border-color:#294b352b;font-size:.875rem}.source-notes summary{color:#4c664c}.source-notes a,.copy a{color:#326445}.copy details.in-lesson{color:#536853;border-color:#294b352b}.copy details.in-lesson summary{color:#274e39}
@media(min-width:1550px){main{padding:45px 64px}.scene{gap:65px;min-height:700px}.forest{min-height:700px}}
@media(max-width:1200px){.layout{grid-template-columns:200px minmax(0,1fr)}main{padding:28px}.scene{gap:28px}.visual{padding:25px}.forest{padding:0}h1,h2{font-size:3.1rem}.intro{font-size:1.125rem}}
@media(min-width:851px) and (max-width:1000px){.scene{grid-template-columns:1fr}.copy{max-width:680px}.intro,.body-copy{max-width:60ch}.forest{min-height:450px}.forest-label{padding-top:240px}}
@media(max-width:850px){header{padding-inline:22px}.layout{display:block}aside{padding:12px 18px}.rail-title,.rail-foot{display:none}nav button{padding:8px 12px;gap:9px;min-height:46px}nav button[aria-current=step]{box-shadow:none}nav button .num{height:24px;flex-basis:24px}main{padding:26px}.scene{gap:24px}.forest{min-height:580px}.visual{border-radius:18px}.forest{border-top-left-radius:60px}.journey-footer{margin-top:28px}}
@media(max-width:720px){header{height:auto;min-height:90px;padding:17px 20px;gap:14px}.brand small{font-size:.75rem}.scene{display:flex;gap:28px;min-height:0}.copy{padding:10px 0 0}main{padding:24px}.eyebrow{font-size:.75rem;line-height:1.7;margin-bottom:19px}h1,h2{font-size:clamp(2.75rem,9vw,4rem);max-width:14ch;margin-bottom:22px}.intro{font-size:1.125rem;max-width:100%}.body-copy{max-width:100%}.takeaway{padding:17px 18px;margin-top:24px}.visual{padding:25px;min-height:0}.forest{padding:0;min-height:440px}.forest-label{padding-top:240px;margin:0 26px 28px}.forest-label p{font-size:2.1rem}.journey-footer>button{padding:11px 16px}.progress-group{max-width:130px}.source-notes{font-size:.875rem}.practice-item{font-size:1rem}.pair{gap:10px}.visual-title{line-height:1.7}}
@media(max-width:400px){main{padding:22px 18px}.visual{padding:22px}.forest{padding:0}.practice-grid,.pair{grid-template-columns:1fr}.day-strip{gap:6px}.journey-footer{gap:10px}.journey-footer>button{padding:10px 13px}.progress-group{max-width:100px}h1,h2{font-size:2.7rem}.brand{letter-spacing:.04em}}
@media(prefers-reduced-motion:no-preference){.visual button{transition:background .2s,border-color .2s}.next{transition:background .2s,box-shadow .2s}.next:hover{box-shadow:0 7px 18px #163e3225}}

/* Make the biological subject explicit before introducing the forest analogy. */
.microflora-heading{font:2.5rem/1.13 Georgia,serif;letter-spacing:-.025em;margin:0 0 26px;color:#f3f4df}.microflora-heading em{color:#daec9a}
.microflora-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}.microflora-grid>div{padding:18px 16px;border:1px solid #c5deac38;border-radius:12px;background:#ffffff05}.microflora-grid strong{display:block;font:1.5rem Georgia,serif;color:#daec9a;margin-bottom:10px}.microflora-grid span{display:block;font-size:1rem;line-height:1.6;color:#cbdccc}
.microflora-links{display:flex;flex-direction:column;align-items:center;margin-top:26px;padding:20px 12px;border-block:1px solid #ffffff20;text-align:center;gap:3px;font-size:1rem;color:#dce8d5}.microflora-links strong{font-weight:400;font-size:1.15rem;color:#daec9a}.microflora-links [aria-hidden]{color:#8cdcd0;line-height:1.2}
@media(max-width:400px){.microflora-grid{grid-template-columns:1fr}.microflora-heading{font-size:2.2rem}}

/* Opening spread: community first, then one readable biological pathway. */
.scene[data-scene="0"]{align-items:start}
.scene[data-scene="0"] .copy{padding-top:35px}
.microflora{padding:32px;box-shadow:0 22px 46px #193f321a;border-top:4px solid #a8c576}
.microflora-heading{font-size:clamp(2rem,3vw,3rem);line-height:1.12;margin-bottom:28px}
.microflora-grid{gap:0;border-block:1px solid #d3e2b92b}
.microflora-grid>div{border:0;border-radius:0;background:none;padding:22px 18px 22px 0}
.microflora-grid>div:nth-child(even){padding-left:22px;padding-right:0;border-left:1px solid #d3e2b92b}
.microflora-grid>div:nth-child(-n+2){border-bottom:1px solid #d3e2b92b}
.microflora-grid strong{font-size:1.5rem;margin-bottom:9px;color:#e5edc5}
.microflora-grid span{font-size:1rem;line-height:1.65;color:#c0d2c3}
.microflora-pathway{display:grid;grid-template-columns:minmax(0,1fr) 16px minmax(0,1fr) 16px minmax(0,1.15fr);align-items:center;gap:8px;margin-top:28px;padding:20px 16px;background:#d5e79a12;border:1px solid #d5e79a30;border-radius:12px}
.microflora-pathway>div{min-width:0}.pathway-label{display:block;font-size:.75rem;letter-spacing:.035em;color:#bed09c;margin-bottom:9px;overflow-wrap:anywhere}.microflora-pathway strong{display:block;font-weight:400;font-size:1rem;line-height:1.4;color:#f3f4df}.pathway-arrow{font-size:1.1rem;color:#daec9a;text-align:center}
.microflora .visual-caption{margin-bottom:0;font-size:.875rem;line-height:1.7}
@media(min-width:1001px) and (max-width:1250px){.microflora-pathway{grid-template-columns:1fr;padding:18px;gap:10px}.microflora-pathway>div{display:grid;grid-template-columns:1fr 1.2fr;gap:12px;align-items:baseline}.pathway-label{margin:0}.pathway-arrow{transform:rotate(90deg)}}
@media(max-width:720px){.scene[data-scene="0"] .copy{padding-top:10px}.microflora{padding:26px}.microflora-heading{font-size:2.35rem}}
@media(max-width:480px){.microflora-pathway{grid-template-columns:1fr;gap:12px;padding:20px}.microflora-pathway>div{display:grid;grid-template-columns:1fr 1.2fr;gap:12px;align-items:baseline}.pathway-label{margin:0}.pathway-arrow{transform:rotate(90deg)}.microflora-grid{grid-template-columns:1fr}.microflora-grid>div,.microflora-grid>div:nth-child(even){padding:18px 0;border-left:0;border-bottom:1px solid #d3e2b92b}.microflora-grid>div:last-child{border-bottom:0}}

/* Shared infographic language: clear routes, labels and qualified captions. */
.tract-map{display:grid;grid-template-columns:1fr;gap:4px;padding:18px;background:#ffffff05;border:1px solid #d5e79a30;border-radius:14px;margin-bottom:24px}.tract-map>div{display:grid;grid-template-columns:30px 1fr;column-gap:12px;align-items:center}.tract-map>div>span{grid-row:span 2;display:grid;place-items:center;width:28px;height:28px;border:1px solid #daec9a60;border-radius:50%;font-size:.75rem;color:#daec9a}.tract-map strong{font-size:1rem;font-weight:400;color:#f3f4df}.tract-map small{font-size:.875rem;color:#b9cfc1}.tract-map>b{font-weight:400;color:#8cdcd0;line-height:1.2;text-align:left;padding-left:8px}.diagram-group-label{font-size:.75rem;letter-spacing:.07em;text-align:center;color:#c4d8b1;margin:0 0 12px;line-height:1.6}.function-note{display:grid;gap:5px;margin-top:18px;padding:16px 18px;border-left:2px solid #daec9a;background:#ffffff05;border-radius:0 10px 10px 0}.function-note strong{font-weight:400;color:#daec9a;font-size:1rem}.function-note span{font-size:1rem;line-height:1.6;color:#cbdccc}.diagram-deck{font:1.4rem/1.4 Georgia,serif;color:#e5edc5;margin-bottom:16px}.barrier,.network{display:block;border-radius:12px;background:#ffffff04;padding:10px}.network{max-height:none}.legend{margin-top:16px;gap:12px;font-size:.875rem}.legend i{flex:0 0 9px}.barrier .dim{font-size:13px}
/* Eight chapters, one coherent teaching companion. */
body{transition:background-color .3s}header{height:auto;min-height:102px;padding-top:18px;padding-bottom:18px}.master-menu{border-bottom:1px solid var(--line);max-width:1800px;margin:auto;padding:0 32px}.master-menu>summary{cursor:pointer;display:flex;align-items:center;gap:24px;list-style:none;padding:20px 10px}.master-menu>summary::-webkit-details-marker{display:none}.master-menu>summary>span:first-child{color:var(--accent);font-size:.875rem;letter-spacing:.09em}.master-menu>summary strong{font-weight:400;font-size:1rem}.menu-indicator{margin-left:auto;font-size:24px;color:var(--accent)}.master-menu[open] .menu-indicator{transform:rotate(45deg)}#master-nav{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px;overflow:visible;padding:0 10px 20px}#master-nav button{border:1px solid var(--line);border-top:3px solid var(--chapter-colour);padding:18px 14px;white-space:normal;align-items:flex-start;min-width:0;background:#ffffff04}#master-nav button:hover,#master-nav button[aria-current=page]{background:#ffffff0d;border-color:var(--chapter-colour)}#master-nav strong{display:block;color:var(--ink);font-size:1rem;font-weight:400;line-height:1.45}#master-nav small{display:block;margin-top:10px;font-size:.75rem;letter-spacing:.07em;color:var(--chapter-colour)}.chapter-number{font:25px Georgia,serif;color:var(--chapter-colour)}.master-menu>p{font-size:.9375rem;color:var(--muted);padding-left:10px}.concept-map{display:grid;gap:12px}.concept-node{text-align:left;display:grid;grid-template-columns:34px 1fr;gap:5px 12px;padding:18px;background:#ffffff03;position:relative}.concept-node .concept-index{grid-row:span 2;color:var(--accent);font-size:.875rem}.concept-node strong{font:24px/1.2 Georgia,serif;color:var(--ink)}.concept-node>span:last-child{font-size:1rem;color:var(--muted);line-height:1.55}.concept-node.active{border-color:var(--accent);background:color-mix(in srgb,var(--accent) 9%,transparent);box-shadow:inset 3px 0 var(--accent)}.concept-detail{border-top:1px solid var(--line);margin-top:25px;padding-top:20px}.concept-detail small{font-size:.875rem;letter-spacing:.07em;color:var(--accent)}.concept-detail p{margin:8px 0 0;font-size:1.05rem}.comparison-map .concept-map{grid-template-columns:repeat(2,minmax(0,1fr))}.comparison-map .concept-node{display:flex;flex-direction:column;gap:12px}.comparison-map .concept-node:last-child:nth-child(odd){grid-column:1/-1}.path-map .concept-node:not(:last-child):after{content:'';position:absolute;height:13px;bottom:-14px;left:34px;border-left:2px solid var(--accent);opacity:.6}.timeline .concept-node{border-left:3px solid var(--accent)}.concept-visual{animation:arrive .7s both}.manuscript>div{max-height:520px;overflow:auto;padding-right:16px;scrollbar-width:thin}.manuscript p,.manuscript li{font-size:1rem;line-height:1.8}.manuscript li{margin-bottom:12px}.manuscript summary{font-size:1rem}#anchor-form{border-top:1px solid var(--line);margin-top:20px;padding-top:18px;display:grid;gap:10px}#anchor-form label{font-size:1rem;color:var(--accent)}#anchor-form input{width:100%;min-width:0;padding:12px;border:1px solid var(--line);border-radius:6px;background:var(--bg);color:var(--ink);font:inherit}#anchor-form small{font-size:.875rem;color:var(--muted)}#anchor-result{margin:0;font-size:1.05rem}#anchor-form button{background:var(--accent);color:var(--bg)}.next:hover{background:var(--accent);filter:brightness(1.07)}
@media(max-width:1000px){#master-nav{grid-template-columns:repeat(2,minmax(0,1fr))}.master-menu{padding:0 16px}.master-menu>summary{gap:12px;flex-wrap:wrap}.master-menu>summary>span:first-child{width:100%}.master-menu>summary strong{max-width:85%}.concept-node{padding:15px}.comparison-map .concept-map{grid-template-columns:1fr}}
@media(max-width:620px){#master-nav{grid-template-columns:1fr}#master-nav button{padding:14px}.master-menu>summary{padding:14px 4px}.master-menu>summary strong{font-size:.9375rem}.master-menu>summary>span:first-child{font-size:.8125rem}.concept-visual{min-height:0}.concept-node strong{font-size:24px}.brand small{max-width:210px}header{min-height:88px}.source-notes{font-size:.9375rem}}

.paused .concept-visual{animation:none!important;opacity:1!important;transform:none!important}