@import url('https://fonts.googleapis.com/css2?family=DM+Sans:wght@400;500;600;700&family=Noto+Sans+SC:wght@400;500;600;700&family=Noto+Serif+SC:wght@400;500;600;700&display=swap');
/* Meristra Garden: shared semantic design language for all research trees. */
:root{color-scheme:light;--bg:#f7f8f2;--paper:#fffefa;--soft:#eff3e9;--soft-2:#e5ecdf;--line:#dce4d7;--line-strong:#c5d5c3;--ink:#25382d;--text:#354b3d;--muted:#526957;--dim:#5b705f;--text-secondary:#526957;--text-tertiary:#5b705f;--text-label:#47674d;--type-body:15px;--type-support:13px;--type-label:12px;--leaf:#52775b;--forest:#345a44;--light-leaf:#a5bd92;--earth:#a58b65;--amber:#977c4a;--red:#ab786c;--shadow:0 12px 46px rgba(49,73,51,.045);--sans:'DM Sans','Noto Sans SC',system-ui,sans-serif;--serif:'Noto Serif SC','Songti SC','STSong',serif;--sidebar:206px;--inspector:270px;--accent:var(--leaf);--green:var(--leaf);--border:var(--line);--panel:var(--paper);--panel-2:var(--soft);--panel-3:var(--soft-2)}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--ink);font:400 var(--type-body)/1.85 var(--sans);-webkit-font-smoothing:antialiased}button,input{font:inherit}button{cursor:pointer}button,a{-webkit-tap-highlight-color:transparent}a{color:inherit;text-decoration:none}img{max-width:100%}button:focus-visible,a:focus-visible,input:focus-visible{outline:2px solid var(--leaf);outline-offset:4px}.skip-link{position:absolute;top:-80px;left:16px;background:#fff;color:#143e28;padding:12px 18px;z-index:100}.skip-link:focus{top:12px}
/* Public identity: shared between the garden and each research tree. */
.site-header{height:84px;max-width:1480px;margin:auto;padding:0 clamp(24px,5vw,70px);display:flex;align-items:center;gap:20px;justify-content:space-between;position:relative;z-index:5}.site-header:after{content:'';position:absolute;left:clamp(24px,5vw,70px);right:clamp(24px,5vw,70px);bottom:0;height:1px;background:#dce4d8}.brand{display:inline-flex;align-items:center;gap:10px;font-family:var(--sans);font-size:27px;font-weight:600;letter-spacing:-1.6px;line-height:1}.brand-mark{display:grid;place-items:center;width:38px;height:38px;border-radius:50%;background:#e7efe3}.brand-mark svg{width:24px;height:24px;fill:none;stroke:var(--forest);stroke-width:2;stroke-linecap:round;stroke-linejoin:round}.brand-dot,.footer-brand span{color:#87a780}.header-nav{display:flex;align-items:center;gap:clamp(20px,3vw,40px);font-size:13px;color:var(--text-secondary)}.header-nav a{transition:color .2s}.header-nav a:hover,.header-current{color:var(--forest)}.nav-trail{color:var(--dim)}.eyebrow{font:600 11px/1.5 var(--sans);text-transform:uppercase;letter-spacing:2.4px;color:var(--leaf);margin:0}.seed-glyph{font-size:18px;font-weight:400;vertical-align:-2px;margin-right:8px}.primary-link{display:inline-flex;align-items:center;gap:30px;border-radius:99px;background:var(--forest);color:#fff;padding:14px 22px;font-size:13px;font-weight:600;transition:transform .2s,box-shadow .2s,background .2s;box-shadow:0 8px 22px #345a4417}.primary-link:hover{transform:translateY(-2px);background:#416b52;box-shadow:0 12px 32px #345a4428}
/* The garden landing page */
.home-hero{max-width:1380px;min-height:690px;margin:0 auto;padding:46px clamp(28px,6.2vw,95px) 25px;display:grid;grid-template-columns:minmax(0,1fr) minmax(420px,.93fr);align-items:center;gap:20px;position:relative}.home-hero-copy{max-width:650px;position:relative;z-index:2;padding-bottom:32px}.home-hero h1{font-family:var(--serif);font-size:clamp(42px,4.4vw,70px);font-weight:500;line-height:1.48;letter-spacing:-2px;margin:27px 0 20px;color:#26432f}.home-hero h1 em{font-style:normal;color:#4d7556}.home-intro{font-size:16px;line-height:2.25;color:var(--text-secondary);margin:0 0 33px}.home-hero-art{position:relative;display:flex;align-items:center;justify-content:center;min-height:570px}.home-hero-art img{display:block;width:min(100%,570px);height:auto;filter:drop-shadow(0 10px 24px #9ab49820);animation:tree-breathe 9s ease-in-out infinite alternate}.tree-halo{position:absolute;width:77%;aspect-ratio:1;border-radius:50%;background:radial-gradient(circle,#e6eed9aa 0%,#eff3e83a 45%,transparent 72%);top:6%;left:11%;pointer-events:none}.tree-art-label{position:absolute;font-size:11px;letter-spacing:2px;color:var(--text-tertiary)}.tree-art-label--top{top:13%;right:8%}.tree-art-label--bottom{bottom:5%;right:12%}.origin-note{display:flex;align-items:start;gap:22px;margin-top:74px;padding-top:23px;border-top:1px solid var(--line);max-width:465px}.origin-note>div{flex:1}.origin-note span:not(.origin-plus){font-size:11px;color:var(--text-label);font-weight:700;letter-spacing:1.4px}.origin-note p{font-size:13px;color:var(--text-secondary);line-height:1.65;margin:5px 0 0}.origin-plus{font-family:var(--serif);color:#b7c5b3;margin-top:0}.home-thought{display:flex;gap:24px;align-items:center;justify-content:center;max-width:1150px;margin:0 auto 140px;padding:28px 30px;text-align:center}.home-thought p{font:400 clamp(19px,2vw,26px)/2 var(--serif);color:#45624b;white-space:nowrap;margin:0}.home-thought em{font-style:normal;color:#4d7556}.thought-divider{height:1px;background:#d8e2d3;flex:1;max-width:190px}.garden-section{max-width:1150px;margin:0 auto 120px;padding:0 30px;scroll-margin-top:35px}.garden-head{display:flex;align-items:end;justify-content:space-between;gap:30px;margin-bottom:35px}.garden-head h2{font:500 clamp(28px,3.2vw,44px)/1.4 var(--serif);letter-spacing:-1px;margin:12px 0 0}.heading-period{color:#82a77d}.garden-head>p{font-size:14px;color:var(--muted);margin:0 0 5px;max-width:340px;line-height:2.1}.study-entry{display:grid;grid-template-columns:minmax(250px,38%) 1fr;background:#fffefa;border:1px solid #dae5d8;border-radius:24px;overflow:hidden;transition:transform .25s,box-shadow .25s,border-color .25s;box-shadow:var(--shadow)}.study-entry:hover{transform:translateY(-4px);box-shadow:0 20px 55px #41674d16;border-color:#b4cfb2}.study-entry-art{position:relative;min-height:325px;background:radial-gradient(circle at 50% 42%,#e6efdf,#dfe9da 75%,#dde7d9);display:grid;place-items:center;overflow:hidden}.study-entry-art svg{position:relative;z-index:1;width:67%;max-width:245px}.entry-ring{position:absolute;inset:11%;border:1px solid #bfceb8;border-radius:50%;opacity:.75}.entry-ring--two{inset:21%;border-style:dashed}.study-entry-copy{padding:37px clamp(30px,4vw,59px) 29px;display:flex;flex-direction:column}.study-entry-top{display:flex;justify-content:space-between;gap:12px;align-items:center}.study-seq{font-size:12px;color:var(--text-tertiary);letter-spacing:1px}.study-status{font-size:12px;color:var(--text-secondary);display:inline-flex;align-items:center;gap:7px}.study-status i{width:6px;height:6px;background:#7aaa72;border-radius:50%}.study-entry h3{font:500 clamp(25px,2.5vw,35px)/1.6 var(--serif);margin:18px 0 10px}.study-entry-copy>p{font-size:15px;color:var(--text-secondary);line-height:1.95;margin:0;max-width:560px}.study-meta{display:flex;flex-wrap:wrap;gap:10px;margin-top:21px}.study-meta span{font-size:12px;color:var(--text-tertiary);padding:4px 10px;border-radius:40px;background:#edf2e9}.study-go{font-size:13px;color:var(--forest);font-weight:700;margin-top:auto;padding-top:25px}.study-go span{margin-left:9px}.garden-after{font-size:13px;color:var(--text-tertiary);margin:20px 0 0;padding-left:4px}.site-footer{border-top:1px solid var(--line);max-width:1320px;padding:30px 45px;margin:0 auto;display:flex;justify-content:space-between;align-items:center;color:var(--text-tertiary);font-size:12px}.footer-brand{font-size:18px;font-weight:700;color:#58725c;letter-spacing:-.5px}.site-footer a:hover{color:var(--forest)}
@keyframes tree-breathe{from{transform:translateY(4px) scale(.988)}to{transform:translateY(-5px) scale(1.012)}}
/* Shared research workbench - organic editorial, never a trading terminal. */
.layout{max-width:1540px;margin:auto;display:grid;grid-template-columns:var(--sidebar) minmax(0,1fr) var(--inspector);min-height:calc(100vh - 84px)}.sidebar{border-right:1px solid var(--line);padding:32px 14px 24px 22px;position:sticky;top:0;height:calc(100vh - 84px);display:flex;flex-direction:column}.side-label{font-size:11px;color:var(--text-tertiary);letter-spacing:1.2px;margin:0 0 13px;padding:0 11px}.tree-button{display:flex;gap:11px;align-items:start;width:100%;background:#edf3e9;border:1px solid #dae5d4;border-radius:14px;padding:15px 12px;font-size:13px;font-weight:600;color:#42614a;text-align:left;line-height:1.7}.tree-dot{width:8px;height:8px;flex:0 0 8px;background:#84ae7e;border-radius:100%;margin-top:7px}.tree-subtitle{display:block;color:var(--text-secondary);font-size:12px;font-weight:400;margin-top:3px}.small-arrow{margin-left:auto;color:#759678}.sidebar-divider{height:1px;background:var(--line);margin:29px 10px 25px}.navigation{display:flex;flex-direction:column;gap:5px;position:relative}.navigation:before{position:absolute;content:'';height:calc(100% - 28px);width:1px;top:14px;left:21px;background:#d6e0d1}.nav-button{border:0;background:transparent;color:var(--text-secondary);text-align:left;font-size:13px;display:flex;align-items:center;gap:13px;width:100%;padding:12px 10px;border-radius:12px;transition:background .2s,color .2s}.nav-icon{height:22px;width:22px;display:grid;place-items:center;position:relative;z-index:2;background:var(--bg);color:#829d82;font-size:16px;flex:0 0 22px}.nav-button:hover{background:#eaf0e7;color:var(--ink)}.nav-button.active{background:#e5eee1;color:#426d4c;font-weight:600}.nav-button.active .nav-icon{background:#d8e7d4;color:#3f6f4b;border-radius:7px}.side-bottom{margin-top:auto;border-top:1px solid var(--line);padding:20px 9px 0;font-size:12px;color:var(--text-secondary)}.side-seed{color:#83a37d;font-family:var(--serif);font-size:32px}.side-bottom strong{font:500 14px var(--serif);color:#597660}.side-bottom p{line-height:2;margin:10px 0 0}.main-content{min-width:0;padding:26px clamp(23px,3.8vw,54px) 35px}.context-line{display:flex;align-items:center;gap:12px;font-size:12px;color:var(--text-tertiary)}.context-line span:last-child{color:var(--text-label)}.context-line a:hover{text-decoration:underline}.research-hero{display:grid;grid-template-columns:minmax(0,1fr) minmax(160px,28%);gap:16px;border-bottom:1px solid var(--line);padding:27px 0 24px;position:relative;overflow:hidden}.research-hero-copy{z-index:1}.research-hero h1{font:500 clamp(31px,3.3vw,48px)/1.55 var(--serif);letter-spacing:-1.3px;color:#2c4837;margin:15px 0 12px}.research-hero h1 em{font-style:normal;color:#4d7556}.hero-description{font-size:14px;color:var(--text-secondary);line-height:2.1;margin:0;max-width:600px}.research-smallmeta{display:flex;flex-wrap:wrap;gap:11px 17px;margin-top:28px;color:var(--text-tertiary);font-size:12px}.research-smallmeta span{white-space:nowrap}.research-smallmeta>span+span:before{content:'·';margin-right:12px;color:#a9bbac}.research-hero-illustration{display:flex;justify-content:center;align-items:center;overflow:hidden}.research-hero-illustration img{max-width:300px;width:130%;height:220px;object-fit:contain;object-position:center;opacity:.78}.reading-guide{padding:28px 0 34px;border-bottom:1px solid var(--line)}.guide-heading{display:flex;align-items:baseline;gap:15px}.guide-heading h2{font:500 20px/1.5 var(--serif);margin:0}.guide-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:11px;margin-top:18px}.guide-link{background:#fffefa;border:1px solid var(--line);padding:15px 18px 35px;text-align:left;min-height:125px;display:flex;flex-direction:column;gap:5px;position:relative;border-radius:14px;transition:transform .2s,border-color .2s,background .2s}.guide-link:hover{border-color:#a1c1a2;background:#f6faf4;transform:translateY(-2px)}.guide-number{font-size:11px;color:var(--text-label);letter-spacing:.6px}.guide-link strong{font:500 17px/1.6 var(--serif);color:#3e6047}.guide-link>span:not(.guide-number):not(.guide-arrow){color:var(--text-secondary);font-size:12px;line-height:1.6}.guide-arrow{position:absolute;right:16px;bottom:12px;color:#78a17d}.research-workspace{scroll-margin-top:26px}.workspace-heading{margin-top:35px}.workspace-heading h2{font:500 24px/1.5 var(--serif);margin:8px 0 0}.toolbar{display:flex;justify-content:space-between;align-items:center;gap:14px;padding:26px 0 0}.toolbar-left,.toolbar-right{display:flex;align-items:center;gap:12px}.tool-label{color:var(--text-secondary);font-size:12px;white-space:nowrap}.mode-switch{display:inline-flex;border:1px solid var(--line);background:#eef3e9;border-radius:99px;padding:4px;gap:2px}.mode-switch button{background:transparent;border:0;border-radius:99px;color:var(--text-secondary);padding:7px 14px;font-size:12px;line-height:1.4}.mode-switch button.active{background:#fff;color:#46704f;box-shadow:0 1px 5px #223b2c0e;font-weight:600}#year-display{font:600 24px/1 var(--serif);color:#47704c}.time-control{display:flex;align-items:center;gap:14px;color:var(--text-tertiary);margin:20px 0 0;font-size:12px}.time-control input{min-width:0;flex:1;accent-color:#668e6b;cursor:pointer}.time-control button{background:#edf2e9;border:1px solid #d7e1d4;border-radius:50%;width:31px;height:31px;color:#67826d;font-size:17px;display:grid;place-items:center}.mode-explainer{margin-top:20px;background:#edf4eb;color:var(--text-secondary);border-left:2px solid #84aa83;border-radius:0 10px 10px 0;padding:11px 15px;font-size:13px;line-height:1.9}.mode-explainer.warning{background:#f5f1e8;border-left-color:#ba9b65;color:#755f3d}.work-heading{display:flex;justify-content:space-between;align-items:end;gap:14px;padding:36px 0 20px}.section-kicker{font-size:11px;color:var(--text-label);letter-spacing:1.7px}.work-heading h3{font:500 24px/1.5 var(--serif);margin:6px 0 6px}.work-heading p{font-size:13px;color:var(--text-secondary);margin:0}.record-count{font-size:11px;color:var(--text-tertiary);white-space:nowrap}.view-content{min-height:260px}
/* Temporal history shown as a living stem with expanding branches. */
.phase-block{border:1px solid var(--line);border-radius:16px;background:#fffefa;overflow:hidden;margin-bottom:19px;box-shadow:0 4px 15px #456b4506}.phase-head{display:flex;align-items:start;gap:13px;padding:21px 24px 17px;background:linear-gradient(100deg,#f1f6ed,#fffefa);border-bottom:1px solid #e8eee5}.phase-index{background:#e1ebda;border:1px solid #d3e1d0;border-radius:50%;height:30px;width:30px;display:grid;place-items:center;color:var(--text-label);font-size:11px;font-weight:700;flex:0 0 30px}.phase-head h3{font:500 17px/1.6 var(--serif);margin:0;color:#3a5d43}.phase-head p{font-size:13px;color:var(--text-secondary);line-height:1.85;margin:4px 0 0}.event-list{padding:4px 25px 13px 26px}.event-item{display:grid;grid-template-columns:60px 22px minmax(0,1fr);align-items:start;gap:10px;position:relative;width:100%;min-height:66px;padding:17px 0;border:0;background:transparent;text-align:left;color:inherit}.event-item:not(:last-child):after{content:'';position:absolute;left:80px;top:40px;bottom:-8px;width:1px;background:#d3e1cc}.event-item:not(:last-child){border-bottom:1px solid #f0f3ed}.event-year{font:600 13px var(--sans);color:var(--text-tertiary);padding-top:1px}.event-node{height:11px;width:11px;background:#a2bd92;border:3px solid #e6eee0;border-radius:100%;margin-top:5px;position:relative;z-index:1;box-shadow:0 0 0 1px #9ab49a}.event-title{display:block;color:#3e5c44;font-size:15px;font-weight:600}.event-item:hover .event-title,.event-item.selected .event-title{color:#6e9b68}.event-desc{display:block;color:var(--text-secondary);font-size:13px;line-height:1.9;margin:5px 0 0}.event-tags{display:flex;flex-wrap:wrap;gap:7px;margin-top:9px}.tag{display:inline-flex;align-items:center;color:var(--text-tertiary);background:#f5f7f2;border:1px solid #e7ede4;border-radius:99px;padding:2px 9px;font-size:11px;line-height:1.6}.tag.green{background:#eef4e9;color:var(--text-label);border-color:#dae7d5}.tag.amber{background:#f6f1e6;color:#765e37;border-color:#eadfc9}.view-note{color:var(--text-secondary);font-size:12px;padding:10px 0}.empty-state{border:1px dashed #cddac9;background:#f7faf5;border-radius:16px;text-align:center;padding:56px 26px;color:var(--text-secondary)}.empty-state:before{content:'❧';display:block;font:400 35px var(--serif);color:#a6bba3;margin-bottom:8px}.empty-state strong{display:block;font:500 18px var(--serif);color:#57755a;margin-bottom:8px}.empty-state p{font-size:13px;max-width:490px;margin:0 auto;line-height:2}
/* Mechanisms, forks and comparisons share the same evidence-card grammar. */
.mechanism-block,.scenario,.kernel-card,.compare-card{background:var(--paper);border:1px solid var(--line);border-radius:16px;padding:22px;margin-bottom:14px;box-shadow:0 5px 20px #3b5a3e07}.mechanism-head{display:flex;justify-content:space-between;gap:18px;align-items:baseline;flex-wrap:wrap}.mechanism-head strong,.scenario h3,.kernel-card h3,.compare-card h3{font:500 17px/1.6 var(--serif);color:#48674c}.mechanism-block p{color:var(--text-secondary);font-size:14px;line-height:2;margin:10px 0 18px}.dependency-row{display:flex;align-items:center;gap:8px;flex-wrap:wrap}.dependency-button,.mechanism-button,.small-button{border:1px solid #d6e4d2;background:#eef4eb;color:var(--text-label);border-radius:99px;padding:7px 12px;text-align:left;font-size:12px;line-height:1.45}.mechanism-button{background:#e2efdf;color:#456e4d;font-weight:600}.dependency-button:hover,.mechanism-button:hover,.small-button:hover{background:#dcebd8}.connector-arrow{color:#a6b9a1}.scenario h3{margin:6px 0 10px}.scenario-headline{font-size:11px;color:var(--text-tertiary);letter-spacing:1.1px}.fork-line{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:17px}.fork-card{background:#eff6ec;border:1px solid #d6e5d3;border-radius:12px;padding:17px}.fork-card.alt{background:#f7f4e9;border:1px dashed #dbcca8}.fork-card small{display:block;font-size:11px;color:var(--text-label);font-weight:700;letter-spacing:.4px}.fork-card.alt small{color:#9b855d}.fork-card p{font-size:13px;color:var(--text-secondary);line-height:1.9;margin:8px 0 0}.not-a-sim{font-size:12px;color:#755f3d;margin:16px 0}.small-button{margin-top:8px}.compare-grid,.kernel-grid{display:grid;grid-template-columns:1fr 1fr;gap:13px}.compare-card h3{margin:0 0 7px}.compare-card strong{font:500 36px var(--serif);color:#628567}.compare-card p,.kernel-card p{font-size:13px;color:var(--text-secondary)}.kernel-card small{font-size:11px;color:var(--text-label)}
/* Inspector is an evidence appendix, not a trader's order book. */
.inspector{border-left:1px solid var(--line);background:#f1f5ec;padding:30px 21px 24px;position:sticky;top:0;height:calc(100vh - 84px);overflow-y:auto}.inspector-header{display:flex;justify-content:space-between;align-items:center;border-bottom:1px solid #dbe6d6;padding-bottom:18px;font:500 15px/1.5 var(--serif);color:#47694f}.inspector-icon{font-size:23px;color:#9ab79a}.inspector-empty{text-align:center;padding-top:65px;font-size:13px;color:var(--text-secondary);line-height:2.1}.inspector-empty .icon{display:block;color:#b1c7ad;font:40px var(--serif);margin-bottom:17px}.inspect-id{font-size:11px;color:var(--text-label);letter-spacing:1px;margin:25px 0 12px}.inspect-title{font:500 19px/1.65 var(--serif);margin:0 0 11px;color:#3b6046}.inspect-body{color:var(--text-secondary);font-size:13px;line-height:2.05;margin:5px 0 0}.inspect-section{border-top:1px solid #dbe6d6;margin-top:22px;padding-top:19px}.inspect-section h4{font-size:11px;letter-spacing:1.3px;color:var(--text-label);margin:0 0 13px;font-weight:600}.inspect-detail{display:flex;justify-content:space-between;gap:14px;margin:9px 0;font-size:12px}.inspect-detail span:first-child{color:var(--text-secondary)}.inspect-detail span:last-child{color:#57725e;text-align:right}.source-link{display:block;color:#547d5d;font-size:12px;line-height:1.75;margin:11px 0;word-break:break-word}.source-link:hover{text-decoration:underline}.status-pill{display:inline-flex;border:1px solid #e0d1b4;color:#a58a61;background:#f6f0e5;padding:3px 9px;font-size:11px;border-radius:99px}.status-pill.green{color:var(--text-label);border-color:#cbdfcb;background:#e9f2e8}.footer{border-top:1px solid var(--line);padding:26px 0;margin-top:58px;display:flex;justify-content:space-between;gap:16px;color:var(--text-tertiary);font-size:12px}
@media(max-width:1280px){:root{--sidebar:175px;--inspector:230px}.main-content{padding-left:26px;padding-right:26px}.sidebar{padding-left:13px}.research-hero{grid-template-columns:1fr 170px}.research-hero-illustration img{width:240px}.guide-link{padding-left:12px;padding-right:12px}.guide-link strong{font-size:15px}}
@media(max-width:1060px){.layout{grid-template-columns:175px minmax(0,1fr)}.inspector{grid-column:2;position:static;height:auto;border-top:1px solid var(--line);border-left:0}.sidebar{grid-row:1/3}.home-hero{grid-template-columns:1fr 44%;min-height:650px}.home-hero-art{min-height:490px}.origin-note{margin-top:55px}}
@media(max-width:750px){.site-header{height:72px;padding:0 21px}.site-header:after{left:21px;right:21px}.brand{font-size:23px}.header-nav{font-size:13px;gap:17px}.header-nav .nav-trail,.header-current{display:none}.home-hero{display:flex;flex-direction:column;padding:53px 24px 0;min-height:0;gap:0}.home-hero-copy{padding-bottom:0;width:100%}.home-hero h1{font-size:clamp(35px,8.5vw,52px);letter-spacing:-1.5px;line-height:1.55}.home-intro{font-size:16px}.home-hero-art{min-height:0;width:100%;max-width:540px;margin:-8px auto 0}.home-hero-art img{width:100%;height:auto}.origin-note{margin-top:40px}.tree-art-label{font-size:11px}.home-thought{padding:24px;margin:4px auto 70px;gap:12px}.home-thought p{white-space:normal;font-size:17px}.garden-section{margin-bottom:75px;padding:0 22px}.garden-head{display:block}.garden-head>p{margin-top:12px}.study-entry{grid-template-columns:1fr}.study-entry-art{min-height:220px;max-height:240px}.study-entry-art svg{max-width:190px}.study-entry-copy{padding:24px 27px 28px}.study-entry h3{font-size:27px}.site-footer{padding:24px;gap:12px;flex-wrap:wrap}.layout{display:flex;flex-direction:column}.sidebar{position:static;height:auto;padding:19px 22px;border-right:0;border-bottom:1px solid var(--line)}.sidebar .tree-button,.sidebar .side-bottom,.sidebar .sidebar-divider,.sidebar .side-label{display:none}.navigation{flex-direction:row;flex-wrap:wrap;gap:7px}.navigation:before{display:none}.nav-button{width:auto;border:1px solid #dce5da;background:#fffefa;font-size:13px;padding:8px 11px;gap:6px}.nav-icon{width:17px;height:18px;background:transparent;font-size:14px;flex:0 0 17px}.nav-button.active .nav-icon{background:transparent}.main-content{padding:24px 22px 20px}.research-hero{grid-template-columns:1fr 115px;padding:26px 0}.research-hero h1{font-size:31px;letter-spacing:-.7px}.research-hero-illustration img{width:170px;height:185px}.research-smallmeta{gap:6px 14px}.reading-guide{padding-top:24px}.guide-grid{grid-template-columns:1fr;gap:8px}.guide-link{min-height:90px;padding:11px 15px 13px}.guide-link strong{font-size:16px}.guide-arrow{bottom:18px}.guide-heading{flex-wrap:wrap}.toolbar{align-items:start;flex-direction:column;gap:15px}.toolbar-left{flex-wrap:wrap}.toolbar-right{align-self:stretch;justify-content:space-between}.inspector{padding:24px 22px}.fork-line{grid-template-columns:1fr}.footer{flex-direction:column}.event-list{padding:4px 12px 12px}.event-item{grid-template-columns:48px 18px minmax(0,1fr);gap:8px}.event-item:not(:last-child):after{left:64px}.phase-head{padding:18px}.research-hero-copy{min-width:0}}
@media(max-width:380px){.research-hero{display:block}.research-hero-illustration{display:none}.home-hero h1{font-size:33px}.header-nav a:first-child{display:none}.compare-grid{grid-template-columns:1fr}}
@media(prefers-reduced-motion:reduce){*,*:before,*:after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important;scroll-behavior:auto!important}}

/* Shared multi-tree Garden presentation. AI history uses existing GVL tokens and components. */
.study-entry+.study-entry{margin-top:22px}
.study-entry--ai .study-entry-art{background:radial-gradient(circle at 50% 43%,#edf2e2,#e1e9d9 68%,#dce7d7)}
.study-entry--ai .study-entry-art svg{max-width:245px}
.research-caveat{background:#f2f5ee;border:1px solid #dfe8d9;border-radius:12px;color:var(--text-secondary);font-size:13px;line-height:1.9;margin:19px 0 0;padding:13px 17px}
.research-caveat strong{color:var(--text-label);font-weight:600}
.source-metadata{display:block;color:var(--text-tertiary);font-size:11px;line-height:1.7;margin:-5px 0 11px;overflow-wrap:anywhere}
@media(max-width:750px){.study-entry+.study-entry{margin-top:16px}.research-caveat{padding:12px 13px}}