:root{--ink:#20251f;--muted:#77776e;--paper:#f5f2e9;--paper2:#ebe7da;--line:#dcd8cc;--forest:#17251e;--forest2:#20332a;--copper:#bc8c5c;--gold:#d9b37d;--white:#fffdf7;--serif:Georgia,'Times New Roman',serif;--sans:Inter,'Segoe UI',Arial,sans-serif}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:95px}body{margin:0;background:var(--paper);color:var(--ink);font:16px/1.7 var(--sans);-webkit-font-smoothing:antialiased}img{display:block;max-width:100%}button{font:inherit}a{color:inherit}a:focus-visible,button:focus-visible,summary:focus-visible{outline:3px solid #b57a43;outline-offset:3px}button{cursor:pointer}::selection{background:#b58c63;color:#171c17}.container{width:min(1180px,calc(100% - 64px));margin-inline:auto}.reading-progress{height:3px;position:fixed;z-index:60;top:0;left:0;width:0;background:#c69b6b;transition:width .1s linear}.skip{position:absolute;left:10px;top:-100px;background:#fff;padding:10px;z-index:999}.skip:focus{top:10px}
.site-header{position:sticky;top:0;z-index:40;height:85px;background:rgba(247,245,238,.98);border-bottom:1px solid #e2ded4;backdrop-filter:blur(14px)}.header-inner{height:100%;display:flex;align-items:center;justify-content:space-between;gap:30px}.logo{display:inline-flex;align-items:center;gap:12px;text-decoration:none;color:#24322a;font:700 18px/1.1 var(--sans);letter-spacing:.13em;white-space:nowrap}.logo b{color:#90613b;font-weight:800}.logo small{display:block;font-size:8px;font-weight:600;letter-spacing:.3em;color:#81857b;margin-top:7px}.logo-icon{width:37px;height:37px;flex-shrink:0;color:#9d744c}.desktop-nav{display:flex;gap:29px;margin-left:auto}.desktop-nav a{font-size:11px;letter-spacing:.045em;text-decoration:none;font-weight:700;color:#5c645a;transition:color .2s}.desktop-nav a:hover{color:#a17348}.header-right{display:flex;align-items:center;gap:20px}.lang{font-size:9px;letter-spacing:.17em;color:#787d71;border-left:1px solid #ddd8ca;padding-left:22px;white-space:nowrap}.lang span{color:#ad805b}.menu-button{display:none;background:transparent;border:0;padding:10px}.menu-button span{display:block;width:23px;height:2px;background:#202b23;margin:4px 0}.mobile-nav{display:none}
.hero{position:relative;overflow:hidden;background:linear-gradient(125deg,#15221b 0%,#23392c 55%,#1a2d23 100%);color:#f5f0e3;min-height:665px}.hero:before{content:"";pointer-events:none;position:absolute;inset:0;opacity:.13;background-image:repeating-linear-gradient(35deg,transparent 0,transparent 10px,#fff 10.5px,transparent 11px);mask-image:linear-gradient(90deg,transparent,#000)}.hero-motif{position:absolute;border:1px solid rgba(209,176,132,.13);border-radius:50%;pointer-events:none}.hero-motif-1{width:690px;height:690px;right:-90px;top:-140px}.hero-motif-2{width:460px;height:460px;right:20px;top:-35px}.hero-grid{position:relative;display:grid;grid-template-columns:1.05fr .95fr;align-items:center;min-height:595px;gap:16px}.hero-copy{padding:65px 0 58px;z-index:2}.eyebrow{display:flex;align-items:center;gap:15px;font-weight:800;letter-spacing:.18em;font-size:10px}.eyebrow.light{color:#d8b995}.eyebrow-line{width:32px;height:1px;background:#bd9266}.hero-volume{margin-left:12px;color:rgba(244,235,218,.35);font-weight:500}.hero h1{font:normal clamp(64px,7.2vw,112px)/.99 var(--serif);letter-spacing:-.058em;margin:31px 0 30px}.hero h1 em,.section-intro h2 em,.anatomy h2 em,.notes h2 em,.quiz-shell h2 em,.sources h2 em{font-weight:normal;color:#d4ae7a}.hero-lead{max-width:540px;color:#d1d4c9;font-size:16px;line-height:1.88;margin:0 0 38px}.hero-actions{display:flex;align-items:center;gap:28px;flex-wrap:wrap}.btn{display:inline-flex;align-items:center;justify-content:space-between;gap:28px;background:none;text-decoration:none;border:0;font-weight:800;font-size:12px;letter-spacing:.04em;padding:15px 21px;transition:background .2s,transform .2s}.btn:hover{transform:translateY(-2px)}.btn-accent{background:#c69b6b;color:#171e18;border:1px solid #c69b6b}.btn-accent:hover{background:#dfb788}.hero-link{font-size:12px;text-decoration:none;font-weight:800;color:#efe6d8;border-bottom:1px solid #a99474;padding-bottom:5px}.hero-micro{font-size:10px;color:rgba(233,228,216,.55);margin-top:38px;letter-spacing:.1em;text-transform:uppercase}.hero-visual{position:relative;display:flex;align-items:center;justify-content:center;min-height:580px}.hero-image-wrap{width:min(100%,525px);max-height:550px;position:relative}.hero-image-wrap img{width:100%;height:auto;filter:drop-shadow(0 25px 35px rgba(0,0,0,.15))}.hero-figcaption{position:absolute;right:0;bottom:44px;left:10%;font:9px var(--sans);display:flex;justify-content:space-between;letter-spacing:.12em;color:#ceb597}.hero-bottom{position:relative;display:flex;align-items:center;gap:18px;height:70px;border-top:1px solid rgba(236,217,188,.19);font-size:9px;font-weight:700;letter-spacing:.19em;color:#aaae9e}.hero-bottom .dot{width:4px;height:4px;border-radius:50%;background:#bb8d61}.hero-bottom-right{margin-left:auto}.hero-bottom-right span{font-size:17px;margin-left:8px;color:#d5aa78}
.introline{border-bottom:1px solid var(--line);background:#ebe6d9}.introline-inner{display:flex;align-items:center;gap:22px;min-height:106px}.vertical-bar{height:37px;width:3px;background:#aa7f53;flex-shrink:0}.introline p{max-width:670px;color:#646960;font-size:14px;line-height:1.7}.introline p strong{color:#2d332c}.introline-tag{margin-left:auto;white-space:nowrap;font-size:9px;font-weight:800;letter-spacing:.17em;color:#a08465}.section-pad{padding:95px 0 110px}.section-topline{display:flex;justify-content:space-between;gap:20px;padding-bottom:18px;border-bottom:1px solid var(--line);color:#9a7b5c;font-size:10px;letter-spacing:.15em;font-weight:800}.section-topline span:last-child{color:#989b8d}.section-intro{display:flex;justify-content:space-between;align-items:end;gap:60px;padding:62px 0 36px}.kicker{color:#ad7850;font-size:10px;letter-spacing:.19em;font-weight:900;margin:0 0 17px}.section-intro h2,.anatomy h2,.notes h2,.quiz-shell h2,.sources h2{font:normal clamp(45px,5vw,70px)/1.08 var(--serif);letter-spacing:-.055em;margin:0;color:#242c24}.section-intro h2 em,.notes h2 em,.sources h2 em{color:#a87d54}.section-intro-desc{max-width:390px;margin:0 0 5px;font-size:14px;line-height:1.9;color:#76786e}.chapter-nav{display:flex;align-items:center;gap:9px;flex-wrap:wrap;margin-bottom:22px}.chapter-pill{display:inline-flex;align-items:center;gap:9px;text-decoration:none;border:1px solid #d3cebf;padding:11px 16px;font-size:11px;letter-spacing:.02em;color:#62665d;transition:all .2s}.chapter-pill span{font-size:9px;color:#b08a61}.chapter-pill:hover,.chapter-pill.is-current{background:#26392d;color:#fff;border-color:#26392d}.chapter-pill.is-current span{color:#e2c096}.chapter-list{border-top:1px solid var(--line)}.chapter{display:grid;grid-template-columns:1fr 1fr;align-items:center;column-gap:80px;padding:58px 0;border-bottom:1px solid var(--line);scroll-margin-top:100px}.chapter.reverse .chapter-art{order:2}.chapter.reverse .chapter-copy{order:1;padding-left:30px}.chapter-art{position:relative;overflow:hidden;background:#d6c9aa;min-height:340px}.chapter-art img{width:100%;height:360px;object-fit:cover;transition:transform .8s ease}.chapter:hover .chapter-art img{transform:scale(1.035)}.image-stamp{position:absolute;left:0;bottom:0;right:0;padding:14px 20px;background:rgba(29,42,32,.82);color:#e8dccb;display:flex;justify-content:space-between;font-size:9px;letter-spacing:.16em;font-weight:800}.chapter-eyebrow{display:flex;align-items:center;gap:12px;color:#ad7850;font-size:10px;letter-spacing:.16em;font-weight:800}.tiny-line{height:1px;width:21px;background:#b9a28a}.chapter-copy h3{font:normal clamp(34px,3.6vw,52px)/1.13 var(--serif);letter-spacing:-.044em;margin:21px 0}.chapter-copy>p{font-size:14px;line-height:1.94;color:#6f7168;margin:0 0 13px}.deep-dive{margin-top:21px;border-top:1px solid #cfc8b7}.deep-dive summary{font-size:12px;font-weight:800;letter-spacing:.02em;padding:17px 0;list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between}.deep-dive summary::-webkit-details-marker{display:none}.deep-dive summary span{font-size:22px;font-weight:400;color:#ad7850}.deep-dive[open] summary span{transform:rotate(45deg)}.deep-content{border-top:1px solid #d9d0c1;padding:16px 0 6px;color:#696c62;font-size:13px;line-height:1.9}.deep-content p{margin:0 0 12px}
.anatomy{background:#1d2e24;color:#e7e5d9;overflow:hidden}.section-topline.muted{border-color:#4a5b4a;color:#c69e6e}.section-topline.muted span:last-child{color:#a3ac9d}.anatomy-layout{display:grid;grid-template-columns:.83fr 1.17fr;gap:60px;align-items:center;padding-top:75px}.anatomy h2{color:#f1ebdb}.kicker.warm{color:#d6a977}.anatomy-left>p:not(.kicker){max-width:460px;color:#b1bdb1;font-size:14px;line-height:1.85;margin:24px 0 30px}.layer-tabs{display:flex;gap:8px;flex-wrap:wrap}.layer-btn{background:transparent;border:1px solid #60705f;color:#b9c2b6;padding:10px 13px;font-size:12px;transition:all .15s}.layer-btn span{font-size:9px;color:#c59b70;margin-right:9px}.layer-btn:hover,.layer-btn.active{background:#d4ae7a;color:#1e2b20;border-color:#d4ae7a}.layer-btn.active span{color:#5e452a}.layer-description{margin-top:32px;border-top:1px solid #516454;padding-top:20px;min-height:110px}.layer-description b{display:block;color:#e8d3b5;font:normal 22px var(--serif)}.layer-description p{color:#aebbae;font-size:13px;margin-top:12px}.diagram-card{background:linear-gradient(145deg,#263b2e,#1a281f);border:1px solid #465947;box-shadow:0 18px 45px #0002;min-height:440px;padding:23px 25px 20px}.diagram-heading,.diagram-footer{display:flex;justify-content:space-between;color:#d5b18b;font-size:9px;letter-spacing:.14em}.anatomy-svg{width:100%;max-height:390px;display:block}.part{transition:opacity .2s,filter .2s,stroke-width .2s}.part.is-dimmed{opacity:.38}.part.is-highlighted{filter:drop-shadow(0 0 6px #eac18b);stroke:#ffe0aa;stroke-width:4}.diagram-footer{justify-content:space-around;color:#a6b4a7;border-top:1px solid #4b5c4d;padding-top:16px}
.notes{background:#f0ece1}.note-intro{padding-bottom:36px}.notes-grid{display:grid;grid-template-columns:1fr 1fr;gap:22px}.note-card{background:#e6e0d2;padding:36px 40px 28px;min-height:330px;position:relative;display:flex;flex-direction:column}.note-card:nth-child(2){background:#dbe1d8}.note-number{color:#a7835e;font:normal 40px var(--serif);margin-bottom:20px}.note-card h3{font:normal 31px/1.15 var(--serif);letter-spacing:-.03em;margin:0 0 16px;max-width:330px}.note-card p{font-size:14px;line-height:1.9;color:#626860;margin:0 0 27px;max-width:455px}.note-foot{margin-top:auto;color:#997855;font-size:9px;letter-spacing:.16em;font-weight:800;border-top:1px solid #c8c4b7;padding-top:19px}
.quiz-section{background:#e8e2d4}.quiz-shell{display:grid;grid-template-columns:.85fr 1.15fr;background:#203328;color:#f5ecda;min-height:470px}.quiz-context{padding:54px 50px;position:relative;overflow:hidden;border-right:1px solid #46604d}.quiz-context h2{color:#f0eadb;font-size:clamp(44px,4vw,61px)}.quiz-context>p:not(.kicker){max-width:330px;font-size:13px;line-height:1.9;color:#b7c1b7;margin-top:26px}.quiz-deco{position:absolute;font:normal 270px var(--serif);color:#344d3b;bottom:-140px;right:7px;line-height:1}.quiz-content{padding:54px 53px;position:relative}.quiz-header{display:flex;justify-content:space-between;color:#d6af7b;font-size:10px;letter-spacing:.14em;font-weight:800}.quiz-header span:last-child{color:#7b9880}.quiz-steps{display:grid;grid-template-columns:repeat(3,1fr);gap:7px;margin:18px 0 35px}.quiz-steps span{height:3px;background:#47604a}.quiz-steps span.on{background:#dbad74}.quiz-content h3{font:normal 28px/1.3 var(--serif);margin:0 0 25px;max-width:450px}.quiz-options{display:grid;gap:10px}.quiz-option{width:100%;text-align:left;padding:13px 17px;background:#2d4535;border:1px solid #526b54;color:#e3e7db;font-size:13px;transition:background .2s}.quiz-option:hover:not(:disabled){background:#3a5943}.quiz-option.selected{border-color:#dec194;background:#4c5e46}.quiz-option.right{border-color:#abc69f}.quiz-option.wrong{border-color:#d0a48d}.quiz-option:disabled{cursor:default}.quiz-feedback{min-height:38px;font-size:12px;color:#dcc4a5;padding-top:12px}.quiz-next{margin-top:10px}.quiz-next:disabled{opacity:.38;cursor:not-allowed;transform:none}.result-kicker{font-size:10px;letter-spacing:.14em;color:#d5aa76}.quiz-content #quizResult h3{font-size:43px;margin-top:21px}.quiz-content #quizResult p{color:#c5d2c4;line-height:1.8;font-size:14px}
.sources{background:#f6f3eb}.sources-top{display:flex;align-items:end;justify-content:space-between;gap:50px;padding:60px 0 34px}.sources-top>p{max-width:420px;color:#76776f;font-size:14px;line-height:1.9}.source-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:15px}.source-card{text-decoration:none;border:1px solid #d4d0c4;background:#f1eee5;padding:29px 28px 26px;min-height:255px;display:flex;flex-direction:column;transition:transform .2s,background .2s}.source-card:hover{transform:translateY(-3px);background:#e8e0d1}.source-index{font-size:9px;font-weight:800;letter-spacing:.17em;color:#a17b55}.source-card h3{font:normal 25px var(--serif);margin:24px 0 10px}.source-card p{font-size:13px;color:#74756a;line-height:1.75;margin:0 0 22px}.source-arrow{margin-top:auto;border-top:1px solid #d0c9ba;padding-top:16px;font-size:11px;font-weight:800;color:#725238}.footer{background:#16251c;color:#c7d0c4;padding:46px 0 24px}.footer-main{display:flex;justify-content:space-between;gap:50px;padding-bottom:35px}.footer-logo{color:#e7e1d4;align-self:flex-start}.footer-logo small{color:#819a82}.footer-right{width:min(470px,100%)}.footer-right p{font-size:12px;line-height:1.9;margin:0 0 17px;color:#a5b2a5}.footer-right a{font-size:10px;color:#d8ac75;text-decoration:none;font-weight:800;letter-spacing:.1em}.footer-bottom{display:flex;justify-content:space-between;gap:30px;border-top:1px solid #3e5443;padding-top:22px;color:#8fa08f;font-size:10px;line-height:1.7}.footer-bottom span:nth-child(2){max-width:420px;text-align:center}
@media(max-width:1000px){.desktop-nav{gap:16px}.desktop-nav a{font-size:10px}.chapter{gap:45px}.chapter.reverse .chapter-copy{padding-left:0}.anatomy-layout{gap:30px}}
@media(max-width:760px){html{scroll-padding-top:70px}.container{width:min(100% - 36px,590px)}.site-header{height:68px}.logo{font-size:15px;gap:9px}.logo-icon{width:32px;height:32px}.logo small{font-size:6.8px}.desktop-nav,.lang{display:none}.menu-button{display:block}.mobile-nav{display:flex;position:absolute;left:0;right:0;top:68px;flex-direction:column;background:#f6f3eb;padding:15px 22px 25px;border-bottom:1px solid #d6d0c1;box-shadow:0 15px 30px #0002}.mobile-nav[hidden]{display:none}.mobile-nav a{padding:11px 0;border-bottom:1px solid #e7e1d7;font-size:14px;text-decoration:none}.hero-grid{grid-template-columns:1fr;min-height:auto;gap:0}.hero-copy{padding:65px 0 6px}.eyebrow{font-size:8px;gap:10px}.hero-volume{display:none}.hero h1{font-size:clamp(59px,13vw,91px);margin:23px 0}.hero-lead{font-size:14px;line-height:1.8}.hero-actions{gap:18px}.btn{padding:13px 16px;font-size:11px}.hero-link{font-size:11px}.hero-micro{margin-top:24px}.hero-visual{min-height:270px;height:285px;overflow:hidden}.hero-image-wrap{width:min(100%,375px);margin-top:-90px}.hero-figcaption{bottom:12px;left:5%;font-size:7px}.hero-bottom{height:55px;gap:9px;font-size:8px}.hero-bottom-right{font-size:0}.hero-bottom-right span{font-size:18px}.hero-motif-1{right:-280px;top:20px}.hero-motif-2{right:-220px;top:130px}.introline-inner{padding:23px 0;gap:16px}.introline p{font-size:12px;margin:0}.introline-tag{display:none}.section-pad{padding:66px 0 73px}.section-topline{font-size:8px}.section-intro{display:block;padding:42px 0 23px}.section-intro h2,.anatomy h2,.notes h2,.sources h2{font-size:clamp(42px,10vw,60px)}.section-intro-desc{margin-top:22px;font-size:13px}.chapter-nav{display:flex;flex-wrap:nowrap;overflow:auto;margin-right:-18px;padding-bottom:10px;scrollbar-width:none}.chapter-nav::-webkit-scrollbar{display:none}.chapter-pill{flex:0 0 auto;padding:9px 12px;font-size:10px}.chapter{display:flex;flex-direction:column;align-items:stretch;padding:29px 0 39px;gap:24px}.chapter.reverse .chapter-art{order:0}.chapter.reverse .chapter-copy{order:1}.chapter-art{min-height:0}.chapter-art img{height:auto;aspect-ratio:780/540}.chapter-copy h3{font-size:39px;margin:13px 0 14px}.chapter-copy>p{font-size:13px;line-height:1.85}.chapter-eyebrow{font-size:9px}.image-stamp{font-size:8px;padding:11px 13px}.anatomy-layout{display:flex;flex-direction:column;align-items:stretch;padding-top:46px;gap:30px}.anatomy-left>p:not(.kicker){font-size:13px}.layer-btn{padding:9px 10px;font-size:11px}.diagram-card{min-height:auto;padding:15px 13px}.anatomy-svg{max-height:335px}.notes-grid{grid-template-columns:1fr;gap:14px}.note-card{min-height:280px;padding:29px 26px}.note-card h3{font-size:29px}.quiz-shell{grid-template-columns:1fr}.quiz-context{padding:35px 27px 20px;border-right:none;border-bottom:1px solid #46604d;min-height:260px}.quiz-context h2{font-size:46px}.quiz-context>p:not(.kicker){font-size:12px;max-width:295px;margin-top:14px}.quiz-deco{font-size:170px;bottom:-87px}.quiz-content{padding:34px 27px 40px;min-height:420px}.quiz-header{font-size:8px}.quiz-content h3{font-size:26px}.sources-top{display:block;padding:45px 0 24px}.sources-top>p{font-size:13px;margin-top:25px}.source-grid{grid-template-columns:1fr}.source-card{min-height:210px}.footer-main{flex-direction:column;gap:25px}.footer-bottom{display:block}.footer-bottom span{display:block;margin:10px 0;text-align:left!important}}
@media(prefers-reduced-motion:reduce){*,*:before,*:after{scroll-behavior:auto!important;animation:none!important;transition:none!important}}