@import url('https://fonts.googleapis.com/css2?family=Manrope:wght@400;500;600;650;700;750;800&display=swap');

/* V8 functional component compatibility (one stylesheet, preserved rendering behavior) */

:root{--bg:#efefef;--paper:#f8f8f8;--ink:#111111;--muted:#696969;--line:#cdcdcd;--soft:#e2e2e2;--max:1280px;--side:280px}
*{box-sizing:border-box}html{scroll-behavior:smooth;background:var(--bg)}body{margin:0;background:var(--bg);color:var(--ink);font-family:Inter,ui-sans-serif,-apple-system,BlinkMacSystemFont,"Segoe UI",Arial,sans-serif;-webkit-font-smoothing:antialiased}
body:before{content:"";position:fixed;inset:0;pointer-events:none;z-index:999;opacity:.13;background-image:url("data:image/svg+xml,%3Csvg viewBox='0 0 180 180' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.84' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.08'/%3E%3C/svg%3E");mix-blend-mode:multiply}
::selection{background:#111111;color:#ffffff}a{color:inherit}button,input{font:inherit}.progress{position:fixed;top:0;left:0;height:2px;background:#111111;width:0;z-index:200}
.top{height:66px;position:sticky;top:0;z-index:100;border-bottom:1px solid var(--line);background:rgba(239,239,239,.9);backdrop-filter:blur(14px);display:flex;justify-content:space-between;align-items:center;padding:0 24px}.brand{display:flex;align-items:center;gap:10px;font-size:11px;font-weight:900;letter-spacing:.14em;text-transform:uppercase}.brand i{width:9px;height:9px;border-radius:50%;background:#111111}.actions{display:flex;gap:8px}.btn{border:1px solid var(--line);background:transparent;border-radius:999px;padding:9px 13px;font-size:12px;font-weight:800;text-decoration:none;cursor:pointer}.btn:hover{background:#111111;color:#ffffff;border-color:#111111}
.shell{max-width:var(--max);margin:auto;padding:0 24px}.hero{padding:72px 0 58px;border-bottom:1px solid var(--line)}.hero-grid{display:grid;grid-template-columns:1.25fr .75fr;gap:60px;align-items:end}.eyebrow{font-size:10px;font-weight:900;letter-spacing:.18em;text-transform:uppercase;color:var(--muted)}h1{font-size:clamp(50px,7.4vw,96px);line-height:.93;letter-spacing:-.065em;margin:16px 0 22px;max-width:930px}.hero p{max-width:780px;font-size:17px;line-height:1.66;color:#3c3c3c;margin:0}.hero-card{border:1px solid #111111;background:rgba(255,255,255,.25);padding:22px}.hero-card h3{font-size:19px;margin:0 0 9px}.hero-card p{font-size:13px;line-height:1.55;color:var(--muted)}.stat{display:flex;justify-content:space-between;padding-top:13px;margin-top:13px;border-top:1px solid var(--line);font-size:12px}.stat b{font-size:18px}
.layout{display:grid;grid-template-columns:var(--side) minmax(0,1fr);gap:56px;padding:48px 0 100px}.sidebar{position:sticky;top:92px;height:calc(100vh - 112px);overflow:auto;border-right:1px solid var(--line);padding-right:26px}.side-label{font-size:10px;font-weight:900;letter-spacing:.16em;text-transform:uppercase;color:var(--muted);margin-bottom:14px}.nav{display:flex;flex-direction:column}.nav a{text-decoration:none;border-top:1px solid var(--line);padding:10px 0;display:grid;grid-template-columns:30px 1fr;gap:7px;font-size:12px;color:#545454}.nav a i{font:italic 14px Georgia,serif;color:var(--muted)}.nav a:hover,.nav a.active{color:#111111;font-weight:850}.side-note{border-top:1px solid #111111;margin-top:24px;padding-top:13px;font-size:11px;line-height:1.5;color:var(--muted)}
main section{padding:8px 0 72px;scroll-margin-top:90px}.sec-meta{display:flex;align-items:center;justify-content:space-between;gap:20px}.sec-no,.page{font-size:10px;font-weight:900;text-transform:uppercase;letter-spacing:.15em;color:var(--muted)}h2{font-size:clamp(34px,4.8vw,60px);line-height:1;letter-spacing:-.047em;margin:10px 0 14px}.lead{font-size:15px;line-height:1.66;color:#454545;max-width:820px;margin:0 0 27px}
.definition{border-left:4px solid #111111;background:rgba(255,255,255,.38);padding:16px 18px;margin:0 0 24px}.definition b{display:block;font-size:11px;text-transform:uppercase;letter-spacing:.1em;margin-bottom:7px}.definition p{margin:0;font-size:14px;line-height:1.62}
.lesson{border-top:1px solid #111111}.block{display:grid;grid-template-columns:230px 1fr;gap:30px;padding:21px 0;border-bottom:1px solid var(--line)}.block h3{font-size:15px;line-height:1.32;margin:0}.content p{font-size:14px;line-height:1.68;color:#3d3d3d;margin:0 0 10px}.content p:last-child{margin-bottom:0}.content ul,.content ol{margin:4px 0 0;padding-left:20px}.content li{font-size:14px;line-height:1.65;color:#3d3d3d;margin:4px 0}.content strong{color:#111111}
.simple{display:grid;grid-template-columns:155px 1fr;gap:18px;border:1px solid #b9b9b9;background:rgba(255,255,255,.22);padding:15px 17px;margin:20px 0}.simple b{font-size:11px;text-transform:uppercase;letter-spacing:.09em}.simple span{font-size:13px;line-height:1.55}
.table-wrap{border:1px solid #111111;overflow:auto;background:rgba(255,255,255,.23)}table{border-collapse:collapse;width:100%;min-width:760px}th,td{padding:14px 15px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top;font-size:13px;line-height:1.5}th{background:#111111;color:#ffffff;text-transform:uppercase;letter-spacing:.08em;font-size:10px}td:first-child{font-weight:850;width:170px}tr:last-child td{border-bottom:0}
.two{display:grid;grid-template-columns:1fr 1fr;gap:24px}.panel{border-top:1px solid #111111;padding-top:16px}.panel h3{font-size:20px;letter-spacing:-.025em;margin:0 0 10px}.panel p,.panel li{font-size:13px;line-height:1.62;color:#424242}.panel ul{padding-left:18px}
.keys{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}.key{border:1px solid var(--line);background:rgba(255,255,255,.23);padding:14px 15px}.key kbd{font-weight:900;font-size:13px}.key strong{display:block;font-size:13px;margin-top:8px}.key p{font-size:12px;line-height:1.45;color:var(--muted);margin:4px 0 0}
.steps{display:grid;grid-template-columns:repeat(4,1fr);border:1px solid #111111}.step{padding:21px;border-right:1px solid var(--line);min-height:180px}.step:last-child{border-right:0}.step em{font:italic 19px Georgia,serif;color:var(--muted)}.step h3{font-size:17px;margin:17px 0 8px}.step p{font-size:13px;line-height:1.55;color:#464646;margin:0}
details{border-bottom:1px solid var(--line)}summary{cursor:pointer;list-style:none;display:flex;justify-content:space-between;gap:20px;padding:14px 0;font-size:13px;font-weight:850}summary::-webkit-details-marker{display:none}summary:after{content:"+";font-size:18px;font-weight:400}details[open] summary:after{content:"–"}details p{font-size:13px;line-height:1.58;color:#444444;margin:0 0 14px}
.coverage{border:1px solid #111111;padding:23px;background:rgba(255,255,255,.26)}.coverage h3{font-size:22px;margin:0 0 13px}.coverage ul{columns:2;column-gap:38px;padding-left:18px}.coverage li{break-inside:avoid;font-size:13px;line-height:1.55;margin:6px 0;color:#3f3f3f}
.search-modal{position:fixed;inset:0;z-index:300;background:rgba(0,0,0,.42);backdrop-filter:blur(8px);display:none;align-items:flex-start;justify-content:center;padding:14vh 18px}.search-modal.open{display:flex}.search-box{width:min(700px,100%);background:var(--paper);border:1px solid #111111}.search-box input{width:100%;padding:18px;border:0;border-bottom:1px solid var(--line);background:transparent;outline:0;font-size:17px}.results a{display:block;padding:13px 18px;border-bottom:1px solid var(--line);text-decoration:none}.results a:hover{background:#111111;color:#ffffff}.results strong{display:block;font-size:13px}.results small{color:var(--muted)}
footer{border-top:1px solid var(--line);padding:28px 0 46px;color:var(--muted);font-size:11px}.foot{display:flex;justify-content:space-between;gap:20px}
@media(max-width:980px){.hero-grid{grid-template-columns:1fr}.layout{grid-template-columns:1fr;gap:24px}.sidebar{position:relative;top:auto;height:auto;border-right:0;padding-right:0}.nav{display:grid;grid-template-columns:1fr 1fr}.nav a{padding:10px}.side-note{display:none}.steps{grid-template-columns:1fr 1fr}.step:nth-child(2){border-right:0}.step:nth-child(-n+2){border-bottom:1px solid var(--line)}.keys{grid-template-columns:1fr 1fr}}
@media(max-width:650px){.top{height:60px;padding:0 15px}.brand{font-size:9px}.actions .btn:first-child{display:none}.shell{padding:0 16px}.hero{padding:52px 0 39px}.hero p{font-size:15px}.layout{padding-top:28px}.nav{grid-template-columns:1fr}.block{grid-template-columns:1fr;gap:8px}.simple{grid-template-columns:1fr;gap:7px}.two{grid-template-columns:1fr}.keys{grid-template-columns:1fr}.steps{grid-template-columns:1fr}.step{border-right:0;border-bottom:1px solid var(--line)}.step:last-child{border-bottom:0}.coverage ul{columns:1}.foot{flex-direction:column}.sec-meta{align-items:flex-start;flex-direction:column;gap:4px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}

/* --- Study intelligence layer: preserves the original notes --- */
.top{position:sticky}
.completion-readout{position:absolute;left:50%;transform:translateX(-50%);font-size:11px;font-weight:850;letter-spacing:.02em;white-space:nowrap;color:#232323;pointer-events:none}
/* Intelligent expanding contents */
.nav-group{border-top:1px solid transparent}
.nav-sub{display:none;margin:0 0 8px 30px;border-left:1px solid var(--line);padding-left:10px}
.nav-group.open .nav-sub{display:block;animation:navOpen .22s ease both}
.nav-sub a{display:block!important;border-top:0!important;padding:5px 0!important;font-size:10px!important;line-height:1.28;color:var(--muted)!important;font-weight:650!important;grid-template-columns:1fr!important}
.nav-sub a:hover{color:#111111!important}
@keyframes navOpen{from{opacity:0;transform:translateY(-4px)}to{opacity:1;transform:none}}

@media(max-width:980px){.completion-readout{position:static;transform:none;margin-left:auto;margin-right:8px}.top{gap:10px}.actions{margin-left:0}.nav-group.open .nav-sub{display:none}}
@media(max-width:650px){.completion-readout{font-size:9px}.brand{display:none}.top{justify-content:space-between}.actions .btn:first-child{display:inline-flex}.actions .btn{padding:8px 10px;font-size:10px}}

/* 100% completion gate */
.finish-cta{position:fixed;z-index:185;left:50%;bottom:20px;transform:translate(-50%,22px);opacity:0;pointer-events:none;transition:opacity .28s ease,transform .28s ease}
.finish-cta.show{opacity:1;transform:translate(-50%,0);pointer-events:auto}
.finish-button{border:1px solid #d2d2d2;background:#222222;color:#f1f1f1;border-radius:999px;padding:13px 20px;font-size:11px;font-weight:950;letter-spacing:.055em;text-transform:uppercase;cursor:pointer;box-shadow:0 0 0 1px rgba(210,210,210,.13),0 0 18px rgba(210,210,210,.28),0 0 46px rgba(210,210,210,.15);animation:finishGlow 1.8s ease-in-out infinite}
.finish-button:hover{background:#d2d2d2;color:#0e0e0e}
@keyframes finishGlow{50%{box-shadow:0 0 0 1px rgba(210,210,210,.22),0 0 28px rgba(210,210,210,.48),0 0 70px rgba(210,210,210,.22)}}
.truth-modal{position:fixed;inset:0;z-index:500;display:none;place-items:center;padding:20px;background:rgba(0,0,0,.82);backdrop-filter:blur(10px)}
.truth-modal.open{display:grid}
.truth-card{width:min(620px,100%);background:#090909;color:#f2f2f2;border:1px solid #808080;padding:34px 32px;text-align:center;box-shadow:0 0 0 1px rgba(128,128,128,.12),0 28px 90px rgba(0,0,0,.45);animation:truthHit .45s cubic-bezier(.16,.84,.28,1.28)}
.truth-kicker{font-size:9px;font-weight:950;letter-spacing:.2em;text-transform:uppercase;color:#949494;margin-bottom:14px}
.truth-card p{font:700 clamp(22px,4.2vw,42px)/1.12 Georgia,serif;letter-spacing:-.025em;margin:0}
.truth-actions{display:flex;justify-content:center;gap:10px;flex-wrap:wrap;margin-top:24px}
.truth-card button{margin-top:0;border:1px solid #4c4c4c;background:transparent;color:#d9d9d9;border-radius:999px;padding:10px 15px;font-size:11px;font-weight:850;cursor:pointer}
.truth-card button:hover{border-color:#ffffff;color:#ffffff}
.truth-card .truth-primary{border-color:#929292;color:#dadada}
.truth-card.challenge .truth-kicker{color:#e5e5e5}
.truth-card.challenge{border-color:#e5e5e5;box-shadow:0 0 0 1px rgba(229,229,229,.12),0 28px 90px rgba(0,0,0,.45)}
@keyframes truthHit{0%{opacity:0;transform:scale(.88) rotate(-1.2deg)}45%{opacity:1;transform:scale(1.035) rotate(.6deg)}70%{transform:scale(.99) rotate(-.2deg)}100%{transform:scale(1) rotate(0)}}
@media(max-width:650px){.finish-cta{left:16px;right:16px;transform:translateY(22px)}.finish-cta.show{transform:none}.finish-button{width:100%;font-size:10px;padding:12px 14px}.truth-card{padding:28px 20px}}



/* Course navigation: only the additions necessary to extend the original single-chapter design. */
:root{--chapter-h:58px}
.top{top:0}.brand i{flex:none}.completion-readout{white-space:nowrap}
.chapter-strip{position:sticky;top:66px;z-index:90;display:flex;gap:0;overflow-x:auto;scrollbar-width:thin;background:rgba(239,239,239,.97);border-bottom:1px solid var(--line);padding:0 max(20px,calc((100vw - 1330px)/2));backdrop-filter:blur(14px)}
.chapter-strip a{display:flex;align-items:center;flex:none;gap:9px;white-space:nowrap;font-size:11px;text-decoration:none;font-weight:780;padding:20px 16px 18px;color:#575757;border-bottom:2px solid transparent;transition:color .2s,border-color .2s,background .2s}
.chapter-strip a span{font:italic 15px Georgia,serif;color:#888888}.chapter-strip a:hover{background:#e4e4e4;color:#111111}.chapter-strip a.current{color:#111111;border-bottom-color:#111111;font-weight:950}
.hero{padding-top:64px}.unit-note{margin-top:13px;color:#666666;font-size:12px;font-weight:700}
.layout{padding-top:42px}.sidebar{top:144px;height:calc(100vh - 164px)}main section{scroll-margin-top:160px}main .block{align-items:start}.block h3{font-size:15px;font-weight:850;line-height:1.38;overflow-wrap:anywhere}
.page a{color:inherit;text-decoration-thickness:1px;text-underline-offset:3px}.source-micro{font-size:11px;color:#696969;margin-top:10px}
.study-example{margin-top:12px;padding:12px 16px;border-left:2px solid #ababab;background:#e5e5e5;font-size:13px;line-height:1.62;color:#3b3b3b}
.study-example b{font-size:10px;letter-spacing:.1em;text-transform:uppercase;display:block;margin-bottom:4px}
.concept-focus{font-size:14px!important;font-weight:720;line-height:1.6!important;color:#1b1b1b!important}
.block .content>p:not(.source-micro){max-width:64ch}
.study-example{max-width:67ch}
.source-excerpt{font-size:12px;line-height:1.6;margin-top:8px;color:#545454}
.source-excerpt b{font-size:10px;text-transform:uppercase;letter-spacing:.08em;color:#787878}
.lecture-index{padding-top:18px;margin-top:23px;border-top:1px solid var(--line)}.lecture-index summary{cursor:pointer;font-size:13px;font-weight:850;line-height:1.55;list-style-position:inside}.lecture-index summary:hover{text-decoration:underline;text-underline-offset:3px}.lecture-index[open] summary{margin-bottom:12px}.lecture-index>h3{font-size:14px;letter-spacing:-.015em;margin:0 0 6px}
.lecture-index>p{font-size:12px;line-height:1.58;color:var(--muted);margin:0 0 12px}
.lecture-slide{display:grid;grid-template-columns:96px 1fr;gap:20px;padding:14px 0;border-top:1px solid var(--line)}
.lecture-slide>div>a{font-size:11px;font-weight:850;white-space:nowrap;text-underline-offset:3px}.lecture-slide ul{margin:0;padding-left:18px;list-style:disc}.lecture-slide li{font-size:12px;line-height:1.56;margin:0 0 6px;color:#525252}
.media-figure{margin:23px 0 24px;background:#f8f8f8;border:1px solid var(--line);padding:14px}.media-figure img{width:100%;max-height:550px;object-fit:contain;display:block}.media-figure figcaption{font-size:11px;color:#525252;margin-top:12px;line-height:1.5}
.quick-outline{display:grid;grid-template-columns:1fr 1fr;gap:9px;margin-top:14px}.quick-outline a{border:1px solid var(--line);padding:11px 12px;text-decoration:none;font-size:12px;display:flex;gap:10px;transition:background .2s,color .2s}.quick-outline a:hover{background:#111111;color:#ffffff}.quick-outline em{font:italic 13px Georgia,serif;color:#888888}.quick-outline a:hover em{color:#dddddd}
.topic-marker{letter-spacing:.08em;color:#838383;font-size:10px;text-transform:uppercase;font-weight:900;margin:0 0 7px}
.sect-keywords{font-size:12px;color:var(--muted);line-height:1.6;margin:10px 0 20px}.chapter-rule{border:0;border-top:1px solid var(--line);margin:34px 0 12px}
.hero-card .stat b{font-size:17px}.nav-group>a{display:grid;grid-template-columns:30px 1fr;gap:7px;padding:10px 0;text-decoration:none;border-top:1px solid var(--line);font-size:12px;color:#525252}.nav-group>a i{font:italic 14px Georgia,serif}.nav-group.open>a{color:#111111;font-weight:900}.nav-sub{display:none;padding:1px 0 12px 37px;border-top:1px solid #e0e0e0}.nav-group.open .nav-sub{display:grid;gap:3px}.nav-sub a{display:block;padding:4px 0;color:#727272;font-size:11px;text-decoration:none}.nav-sub a:hover{color:#111111}
.chapter-links{margin-bottom:24px}.chapter-links a{font-size:11px;text-decoration:none;display:block;padding:6px 0;line-height:1.35;color:#6b6b6b}.chapter-links a.is-active{font-weight:950;color:#111111}.chapter-links a:hover{text-decoration:underline}
.nav{display:block}.course-note{padding-bottom:14px;border-bottom:1px solid #111111;font-size:11px;line-height:1.5;color:#636363}
.search-hint{margin:0;padding:7px 18px;border-bottom:1px solid var(--line);font-size:11px;color:#6b6b6b}.results{max-height:62vh;overflow:auto}.results .hit-meta{display:block;font-size:11px;margin-top:3px;color:#707070}.results a:hover .hit-meta{color:#cacaca}
.section-count{color:#727272;font-size:12px;margin:9px 0}.definition p{font-size:14px;line-height:1.68}
.checkpoints{margin:20px 0 0;padding:16px 18px;border:1px solid #a3a3a3;background:#e7e7e7}.checkpoints b{display:block;font-size:11px;text-transform:uppercase;letter-spacing:.1em}.checkpoints ul{padding-left:20px}.checkpoints li{font-size:13px;margin:6px 0;line-height:1.5}
.coverage-list{columns:2;column-gap:26px;margin:0;padding-left:20px}.coverage-list li{font-size:12px;break-inside:avoid;line-height:1.5;margin-bottom:8px}
.diagram-caption{font-weight:850}










#finishCta{bottom:18px}
@media(max-width:980px){.sidebar{top:auto;height:auto}.chapter-strip{padding:0 12px}.chapter-strip a{padding:16px 12px}.nav{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:2px 16px}.nav-group .nav-sub{display:none}.chapter-links{display:flex;gap:11px;overflow:auto;padding-bottom:7px}.chapter-links a{white-space:nowrap;flex:none}.quick-outline{grid-template-columns:1fr 1fr}}
@media(max-width:650px){.top{height:auto;min-height:93px;flex-wrap:wrap;align-content:center;gap:7px;padding:8px 13px}.brand{font-size:9px;flex:1 1 55%}.completion-readout{font-size:10px;flex:0 0 auto}.actions{order:3;width:100%;justify-content:space-between}.actions .btn{font-size:10px;padding:7px 9px}.actions .btn:first-child{display:inline-flex}.chapter-strip{top:93px;gap:3px}.chapter-strip a{padding:12px 12px;font-size:11px}.sidebar{max-height:none}.layout{padding-top:19px;gap:22px}main section{scroll-margin-top:152px;padding-bottom:46px}.hero{padding:42px 0 36px}.hero h1{font-size:clamp(43px,12vw,64px)}.hero-grid{gap:23px}.quick-outline{grid-template-columns:1fr}.nav{display:flex;overflow-x:auto;gap:13px;scroll-snap-type:x proximity;padding-bottom:9px}.nav-group{flex:0 0 auto;scroll-snap-align:start}.nav-group>a{border-top:0;border-bottom:1px solid var(--line);padding:9px 5px;font-size:11px;display:block;max-width:160px;white-space:normal}.nav-group>a i{margin-right:7px}.nav-group .nav-sub{display:none}.lecture-slide{grid-template-columns:1fr;gap:5px}.lecture-slide ul{padding-left:19px}.coverage-list{columns:1}.block{padding:18px 0}.block h3{font-size:15px}.media-figure{padding:8px}.completion-readout{order:2}.foot{gap:7px}.hero-card{padding:18px}.search-modal{padding-top:18vh}}
@media(prefers-reduced-motion:reduce){.chapter-strip a{transition:none}}

.layout > *, .sidebar,main{min-width:0} h1,h2,h3{overflow-wrap:anywhere}
@media(max-width:650px){.nav .nav-group.open .nav-sub{display:none}.nav-group{min-width:0}.brand{display:flex!important;flex:1 1 auto!important}.brand span{font-size:0}.brand span:after{content:"MARKETING NOTES";font-size:10px;font-weight:950}.completion-readout{margin-left:auto}}

/* Accessible longer-form concept teaching; no new hidden study controls. */
.block .content .lesson-explanation{max-width:69ch}
.block .content .lesson-kicker{display:block;margin-bottom:12px;letter-spacing:.12em;font-size:10px;font-weight:900;color:#616161}
.block .content .full-teaching{font-size:clamp(16px,1.2vw,18px);line-height:1.81;letter-spacing:-.006em;font-weight:450;color:#2d2d2d;max-width:66ch;margin:0 0 20px}
.block .content .study-example{max-width:69ch;padding:18px 22px;background:#e5e5e5;border-left:3px solid #868686;margin-top:2px}
.block .content .study-example b{font-size:10px;letter-spacing:.12em;margin-bottom:8px}
.block .content .study-example p{font-size:15px;line-height:1.72;margin:0;color:#313131}
.block h3{font-size:clamp(16px,1.32vw,19px);line-height:1.32;font-weight:850}


.break-link{white-space:nowrap}.break-link span{margin-left:3px}.footer-break-link{font-size:11px;letter-spacing:.06em;text-decoration:none;border-bottom:1px solid currentColor}
@media(max-width:650px){.break-link{font-size:10px!important}.block .content .full-teaching{font-size:16px;line-height:1.8}.block .content .study-example{padding:16px 17px}.block h3{font-size:16px}}

.hero-break-link{display:inline-flex;align-items:center;gap:3px;margin-left:10px;font-size:10px;font-weight:950;letter-spacing:.055em;text-decoration:none!important;border-bottom:1px solid #a4a4a4;padding:2px 0;color:#1f1f1f}.hero-break-link:hover{border-color:#151515}@media(max-width:650px){.hero-break-link{display:table;margin:12px 0 0}}



/* READER V3 — quiet reading, expressive navigation and tactile controls. */
@view-transition{navigation:auto}
::view-transition-old(root){animation:.17s ease-in both page-out}
::view-transition-new(root){animation:.3s cubic-bezier(.22,1,.36,1) both page-in}
@keyframes page-out{to{opacity:0;transform:translateY(-6px)}}
@keyframes page-in{from{opacity:.45;transform:translateY(14px)}}
:root{--ease-premium:cubic-bezier(.22,1,.36,1)}
html{scroll-padding-top:152px}
body{overflow-x:clip}
.top{transition:min-height .26s var(--ease-premium),height .26s var(--ease-premium),background .26s;gap:12px}
.top .actions{flex-wrap:nowrap;min-width:0;gap:7px}
.top .actions .btn{white-space:nowrap;transition:transform .28s var(--ease-premium),background .17s,color .17s,border-color .17s}
.top .actions .btn:hover{transform:translateY(-2px)}
.top .actions .btn:active{transform:translateY(0) scale(.96)}
.top .actions button:focus-visible,.inline-listen:focus-visible,.audio-dock button:focus-visible,.premium-dialog button:focus-visible,.mobile-chapter-select:focus-visible,.text-toolbar button:focus-visible{outline:2px solid #575757;outline-offset:3px}
.top .brand{overflow:hidden;max-width:330px;white-space:nowrap}
.completion-readout{position:static;left:auto;transform:none;margin-left:auto;color:#5a5a5a;font-size:10px;letter-spacing:.06em;text-transform:uppercase}
.actions .icon-action{background:rgba(255,255,255,.22)}
.chapter-strip{scrollbar-width:none;scroll-behavior:smooth}
.chapter-strip::-webkit-scrollbar{display:none}
.chapter-strip a{position:relative;transition:color .22s,background .22s}
.chapter-strip a.current{background:#e0e0e0}
.chapter-strip a.current:after{content:'';position:absolute;height:2px;background:#111111;left:15px;right:15px;bottom:0;animation:tab-draw .48s var(--ease-premium) both}
@keyframes tab-draw{from{transform:scaleX(.25);opacity:0}to{transform:scaleX(1);opacity:1}}
.mobile-chapter-select{display:none}
.hero-grid h1{animation:title-in .65s var(--ease-premium) both;animation-delay:.06s}
.hero .eyebrow{animation:fade-raise .5s var(--ease-premium) both}
.hero p{animation:fade-raise .6s var(--ease-premium) both;animation-delay:.13s}
.hero-card{animation:fade-raise .6s var(--ease-premium) both;animation-delay:.2s}
@keyframes title-in{from{opacity:0;transform:translateY(24px);filter:blur(3px)}to{opacity:1;transform:none;filter:none}}
@keyframes fade-raise{from{opacity:0;transform:translateY(12px)}to{opacity:1;transform:none}}
.nav{position:relative}.nav-track{position:absolute;left:0;top:0;height:36px;width:3px;background:#111111;pointer-events:none;transition:transform .5s var(--ease-premium)}
.nav a.reader-active{background:rgba(17,17,17,.045);color:#111111}
.sidebar{scrollbar-width:thin}
main section h2{max-width:900px;line-height:1.04}
.inline-listen{display:inline-flex;align-items:center;margin:-1px 0 25px;gap:6px;padding:7px 10px;border:1px solid #c2c2c2;border-radius:999px;background:transparent;color:#484848;font-size:11px;font-weight:800;cursor:pointer;transition:background .2s,transform .2s}
.inline-listen:hover{background:#111111;color:#f9f9f9;transform:translateX(2px)}
.narration-sentence{border-radius:3px;cursor:text;box-decoration-break:clone;-webkit-box-decoration-break:clone;transition:background .22s,color .22s;scroll-margin-top:210px}
.narration-sentence:hover{background:rgba(133,133,133,.13)}
.narration-sentence:focus-visible{outline:2px solid #727272;outline-offset:3px}
.narration-sentence.is-speaking{background:#dddddd;color:#1f1f1f;box-shadow:0 0 0 3px #dddddd}
.block{transition:border-color .2s,background .2s}
.block:hover{border-bottom-color:#a6a6a6}
.block .content .full-teaching{font-size:clamp(16.5px,1.16vw,18px);line-height:1.78;letter-spacing:-.012em;color:#262626;font-weight:485}
.block .content .study-example{background:#e4e4e4;max-width:72ch;padding:20px 23px;border-left:2px solid #979797}
.block .content .study-example .example-text{margin:0;font-size:15px;line-height:1.75;color:#393939}
.block .content .takeaway{font-size:13px;line-height:1.65;color:#535353;padding:13px 0 2px;margin:0;max-width:73ch;font-weight:600}
.block .content .lesson-kicker{font-size:10px;letter-spacing:.12em;font-weight:900}
.block h3{font-size:clamp(17px,1.35vw,20px);letter-spacing:-.02em}
.scroll-reveal{transition:opacity .55s var(--ease-premium),transform .65s var(--ease-premium)}
.scroll-reveal.in-view{opacity:1;transform:none}
.scroll-reveal:not(.in-view){opacity:.78;transform:translateY(8px)}
.search-arrival{animation:arrive 2.2s ease both}
@keyframes arrive{0%,60%{background:rgba(220,220,220,.34)}100%{background:transparent}}
.resume-toast{position:fixed;z-index:275;bottom:22px;left:24px;max-width:min(420px,calc(100vw - 32px));background:#161616;color:#f6f6f6;border:1px solid #333333;box-shadow:0 22px 75px rgba(0,0,0,.22);display:flex;gap:14px;align-items:center;padding:14px 14px 14px 18px;animation:slide-up .36s var(--ease-premium) both}
.resume-toast[hidden],.audio-dock[hidden],.text-toolbar[hidden],.motion-toast[hidden]{display:none!important}
@keyframes slide-up{from{opacity:0;transform:translateY(22px)}to{opacity:1;transform:none}}
.resume-copy{display:flex;flex-direction:column;min-width:0;gap:3px;flex:1}
.resume-copy small{font-size:9px;letter-spacing:.16em;color:#b6b6b6;font-weight:850}
.resume-copy strong{font-size:12px;line-height:1.4;overflow:hidden;text-overflow:ellipsis;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical}
.resume-toast button{font-size:11px;color:inherit;background:transparent;border:1px solid #6d6d6d;padding:9px 11px;border-radius:24px;font-weight:750;cursor:pointer;flex:none}
.resume-toast #resumeGo{background:#e6e6e6;color:#111111;border-color:#e6e6e6}.resume-toast #resumeDismiss{padding:4px 7px;border:0;font-size:17px;color:#aaaaaa}
.audio-dock{position:fixed;right:20px;bottom:20px;z-index:280;width:min(350px,calc(100vw - 28px));padding:14px 16px 13px;border:1px solid #3b3b3b;background:#191919;color:#f0f0f0;box-shadow:0 22px 80px rgba(0,0,0,.28);animation:slide-up .35s var(--ease-premium)}
.audio-top,.audio-controls{display:flex;align-items:center;gap:11px}.audio-top{margin-bottom:15px}.audio-label{min-width:0;flex:1;display:flex;flex-direction:column;gap:4px}.audio-label strong{font-size:12px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.audio-label small{font-size:9px;color:#a9a9a9;line-height:1.35}.audio-state-dot{height:7px;width:7px;border-radius:50%;background:#cdcdcd;flex:none}
.audio-controls{justify-content:space-between}.audio-control,.audio-primary{border:0;background:none;color:#eeeeee;font-size:20px;cursor:pointer;display:grid;place-items:center;min-width:38px;min-height:36px;transition:transform .2s var(--ease-premium)}.audio-control:hover{transform:scale(1.16)}
.audio-primary{width:46px;height:43px;border-radius:50%;background:#ededed;color:#111111;font-size:18px}.audio-primary:hover{transform:scale(1.05)}
.audio-speed{display:flex;align-items:center;gap:4px;font-size:10px;color:#b9b9b9}.audio-speed select{background:#262626;color:#f5f5f5;font-size:11px;border:1px solid #555555;border-radius:15px;padding:6px;max-width:74px}
.audio-track{width:100%;background:#464646;height:3px;margin-top:14px;overflow:hidden}.audio-track>div{width:0;height:100%;background:#d2d2d2;transition:width .2s}
.text-toolbar{position:fixed;z-index:270;display:flex;gap:2px;align-items:center;background:#181818;color:#ffffff;padding:5px;box-shadow:0 7px 34px rgba(0,0,0,.24)}.text-toolbar button{font-size:11px;font-weight:750;color:#f4f4f4;background:transparent;border:0;padding:9px 10px;cursor:pointer}.text-toolbar button:hover{background:#444444}
.motion-toast{position:fixed;bottom:100px;left:50%;transform:translateX(-50%);background:#111111;color:#f7f7f7;font-size:12px;font-weight:750;padding:12px 19px;z-index:360;pointer-events:none}
.premium-dialog{width:min(720px,calc(100vw - 36px));max-height:82dvh;border:1px solid #3c3c3c;border-radius:0;padding:28px;background:#f1f1f1;color:#191919;box-shadow:0 30px 90px rgba(0,0,0,.33)}.premium-dialog::backdrop{background:rgba(17,17,17,.66);backdrop-filter:blur(7px)}
.dialog-heading{display:flex;justify-content:space-between;align-items:start;gap:20px}.dialog-heading small{font-size:10px;letter-spacing:.16em;color:#686868;font-weight:800}.dialog-heading h2{font-size:clamp(31px,4.5vw,49px);margin:10px 0 15px}.dialog-close{border:1px solid #b5b5b5;background:transparent;font-size:25px;width:37px;height:37px;cursor:pointer}.premium-dialog>p{font-size:13px;color:#575757;line-height:1.6}.saved-note{border-top:1px solid #c9c9c9;padding:15px 0}.saved-note small{font-size:10px;font-weight:900;color:#626262}.saved-note p{font-size:15px;line-height:1.6;margin:8px 0}.saved-note button{border:0;border-bottom:1px solid;background:none;padding:0;cursor:pointer;color:#535353}.dialog-actions{display:flex;gap:9px;flex-wrap:wrap;margin-top:22px}.dialog-actions button{border:1px solid #2f2f2f;background:transparent;padding:11px 15px;cursor:pointer;font-weight:800;font-size:11px}.slide-dialog{width:min(1150px,calc(100vw - 30px));max-height:94dvh}.slide-dialog iframe{width:100%;height:min(66dvh,680px);border:1px solid #bfbfbf;background:white}.slide-dialog>a{display:inline-block;margin-top:12px;font-size:12px;font-weight:800}
.interactive-model{margin:24px 0 33px;border:1px solid #b2b2b2;background:#eaeaea;padding:25px 26px;max-width:100%}
.model-top{display:flex;justify-content:space-between;gap:14px;align-items:center;margin-bottom:18px}.model-top small{font-size:10px;letter-spacing:.16em;font-weight:900;color:#6a6a6a}.model-top strong{font-size:11px;font-weight:750;color:#5f5f5f}
.interactive-model h3{font-size:23px;line-height:1.2;letter-spacing:-.035em;margin:0 0 17px}
.model-options{display:flex;flex-wrap:wrap;gap:8px;margin-top:15px}.model-options button{border:1px solid #a5a5a5;background:transparent;color:#3b3b3b;padding:10px 13px;font-weight:800;font-size:11px;cursor:pointer;transition:background .2s,color .2s,transform .2s}.model-options button:hover{transform:translateY(-2px)}.model-options button.selected{background:#181818;border-color:#181818;color:#f6f6f6}
.model-detail{font-size:14px;line-height:1.65;min-height:49px;color:#333333;margin:18px 0 0;max-width:75ch}
.model-art{position:relative;display:flex;gap:8px;align-items:center;justify-content:center;border:1px solid #c7c7c7;background:#f3f3f3;min-height:148px;padding:21px 14px;overflow:hidden}
.model-art .stage{flex:1;max-width:210px;padding:14px 9px;border:1px solid #c4c4c4;font-weight:800;font-size:12px;line-height:1.4;text-align:center;background:transparent;transition:background .35s,transform .35s,border-color .35s,color .35s;min-height:64px;display:grid;place-items:center}
.model-art[data-stage='0'] .stage:nth-child(1),.model-art[data-stage='1'] .stage:nth-child(2),.model-art[data-stage='2'] .stage:nth-child(3),.model-art[data-stage='3'] .stage:nth-child(4){background:#181818;color:#ffffff;border-color:#181818;transform:translateY(-5px)}
.model-art .stage:after{content:'→';position:absolute;transform:translateX(calc(50% + 60px));color:#888888}
.model-art .stage:last-child:after{content:none}
.model-art:has(.stage:nth-child(2):last-child) .stage:after{content:none}
.model-art svg{display:block;width:100%;max-width:670px;height:auto}
.plc-curve{fill:none;stroke:#2c2c2c;stroke-width:4;stroke-linecap:round;stroke-dasharray:800;stroke-dashoffset:800;animation:draw-curve 2.3s .25s var(--ease-premium) forwards}
@keyframes draw-curve{to{stroke-dashoffset:0}}
.plc-spot{fill:#181818;stroke:#efefef;stroke-width:3;transition:r .3s,fill .3s}
.model-art[data-stage='0'] .plc-spot:nth-of-type(1),.model-art[data-stage='1'] .plc-spot:nth-of-type(2),.model-art[data-stage='2'] .plc-spot:nth-of-type(3),.model-art[data-stage='3'] .plc-spot:nth-of-type(4){fill:#808080;r:11}
.diagram-grid{display:grid;grid-template-columns:1fr 1fr;gap:8px;width:min(500px,100%)}
.diagram-grid>div{border:1px solid #b7b7b7;padding:19px 10px;text-align:center;font-size:12px;font-weight:850;transition:background .35s,color .35s,transform .35s}
.model-art[data-stage='0'] .diagram-grid>div:nth-child(1),.model-art[data-stage='1'] .diagram-grid>div:nth-child(2),.model-art[data-stage='2'] .diagram-grid>div:nth-child(3),.model-art[data-stage='3'] .diagram-grid>div:nth-child(4){background:#181818;color:white;transform:scale(1.02)}








@media(max-width:1190px){.top .brand{max-width:260px}.top .actions .btn{font-size:11px;padding:8px 9px}.top .completion-readout{display:none}}
@media(max-width:980px){.nav-track{display:none}.sidebar .chapter-links{display:none}.sidebar{border:0}.top .brand{flex:1;max-width:none}.top .actions{margin-left:auto}.layout{grid-template-columns:1fr}.interactive-model{padding:20px}}
@media(max-width:700px){
 .top{position:sticky;min-height:56px;height:56px!important;flex-wrap:nowrap;align-content:center;gap:6px;padding:0 13px!important}
 .top .brand{min-width:0;max-width:165px;flex:1 1 auto!important;white-space:nowrap}.top .brand span:after{font-size:10px!important}
 .top .actions{order:unset!important;width:auto!important;gap:5px!important;justify-content:flex-end}.top .actions .btn{border:0!important;background:transparent!important;border-radius:8px!important;font-size:10px!important;padding:9px 7px!important;display:inline-flex!important}
 .top .actions #themeBtn,.top .actions a[href^='mindmap'],.top .actions #resumeBtn,.top .actions #notesBtn{display:none!important}
 .top .actions #searchBtn{font-size:0!important}.top .actions #searchBtn:after{content:'⌕';font-size:25px;font-weight:500}
 .top .actions #listenTopBtn{font-size:0!important}.top .actions #listenTopBtn:after{content:'▶';font-size:18px}
 .completion-readout{display:none!important}
 .chapter-strip{display:none!important}
 .mobile-chapter-select{display:block;position:sticky;top:56px;z-index:95;width:100%;height:48px;border:0;border-bottom:1px solid var(--line);border-radius:0;padding:0 38px 0 18px;background:#ebebeb;color:#191919;font-size:13px;font-weight:850;text-overflow:ellipsis;appearance:none;background-image:url('data:image/svg+xml,%3Csvg xmlns="http://www.w3.org/2000/svg" width="16" height="16" viewBox="0 0 24 24" fill="none" stroke="%23211e1b" stroke-width="2"%3E%3Cpath d="m6 9 6 6 6-6"/%3E%3C/svg%3E');background-repeat:no-repeat;background-position:right 17px center}
 .hero{padding:31px 0!important}.hero h1{font-size:clamp(38px,10.8vw,64px)!important;letter-spacing:-.055em}.hero-card{display:none}
 .unit-note{font-size:11px}.layout{padding-top:14px!important}.sidebar{padding:0;margin:0}.sidebar .side-label:first-child{display:none}.sidebar .nav{display:flex!important;flex-wrap:nowrap;overflow-x:auto;padding:0 0 13px;gap:9px;scroll-snap-type:x proximity}
 .sidebar .nav .nav-group{flex:0 0 auto;max-width:164px}.sidebar .nav .nav-group>a{font-size:10px;line-height:1.5;white-space:normal;padding:6px 4px!important}
 .sidebar .nav .nav-group.open .nav-sub{display:none!important}
 main section{scroll-margin-top:118px!important;padding-bottom:43px!important}.sec-meta{flex-direction:column;align-items:start;gap:8px}main section h2{font-size:clamp(32px,9.4vw,48px);margin:13px 0 13px}
 .inline-listen{font-size:10px;margin:0 0 20px;min-height:35px}
 .block{grid-template-columns:1fr!important;gap:9px!important;padding:22px 0!important}.block h3{font-size:20px!important;line-height:1.25}
 .block .content .full-teaching{font-size:16px!important;line-height:1.79!important}.block .content .study-example{padding:15px 17px}.block .content .study-example .example-text{font-size:15px}
 .resume-toast{bottom:14px;left:14px;right:14px;max-width:none}.audio-dock{left:10px;right:10px;bottom:10px;width:auto;border-radius:12px;padding:11px 14px}.audio-label strong{font-size:11px}.audio-top{margin-bottom:9px}
 .audio-controls{gap:5px}.audio-speed{font-size:0}.audio-speed select{font-size:11px}
 .premium-dialog{padding:19px 17px}.slide-dialog iframe{height:64dvh}
 .interactive-model{padding:17px 15px;margin:18px 0 28px}.model-art{min-height:140px;padding:13px 7px}.model-art .stage{font-size:10px;padding:9px 2px;min-height:63px}.model-art .stage:after{content:none}.model-options button{font-size:10px;padding:9px 11px}.model-detail{font-size:13px}
 .scroll-reveal:not(.in-view){opacity:1;transform:none}
}
@media(prefers-reduced-motion:reduce){*,*:before,*:after{scroll-behavior:auto!important;animation-duration:.01ms!important;animation-delay:0ms!important;transition-duration:.01ms!important}.scroll-reveal:not(.in-view){opacity:1;transform:none}}
@media print{.top,.chapter-strip,.mobile-chapter-select,.sidebar,.resume-toast,.audio-dock,.text-toolbar,.inline-listen,.dialog-actions,.dialog-close{display:none!important}body{background:white!important;color:black!important}.layout{display:block!important}.premium-dialog{display:block!important;position:static!important;border:none!important;max-height:none!important;box-shadow:none!important}.saved-note{break-inside:avoid}}
.route-visual{padding:17px;font-size:clamp(15px,2.4vw,25px);text-align:center;font-weight:850;line-height:1.7;letter-spacing:-.03em;color:#242424;transition:opacity .2s}
.model-price .chart-skimming,.model-price .chart-penetration{transition:opacity .28s,stroke-width .28s}
.model-price[data-stage='0'] .chart-penetration,.model-price[data-stage='1'] .chart-skimming{opacity:.2;stroke-width:2}
.model-price[data-stage='1'] .chart-penetration{stroke:#474747;stroke-width:6}

.mobile-tools-btn,.mobile-tools{display:none}
@media(max-width:700px){
 .top .brand{max-width:210px!important;flex:1 1 auto!important}.top .brand span{display:inline!important;white-space:nowrap}.top .brand span:after{content:'MARKETING NOTES';font-size:10px!important}
 .top .actions #mobileToolsBtn{display:inline-flex!important;align-items:center;justify-content:center;letter-spacing:2px;font-size:16px!important;font-weight:900;min-width:39px}
 .mobile-tools:not([hidden]){display:flex;position:fixed;top:57px;right:9px;z-index:310;min-width:208px;flex-direction:column;background:#171717;color:#f3f3f3;padding:8px;box-shadow:0 16px 55px rgba(0,0,0,.25);border:1px solid #494949;animation:slide-up .19s var(--ease-premium)}
 .mobile-tools>a,.mobile-tools>button{display:block;border:0;background:transparent;color:inherit;text-decoration:none;font-size:12px;font-weight:750;text-align:left;padding:13px 11px;cursor:pointer}
 .mobile-tools>a:hover,.mobile-tools>button:hover{background:#373737}
 .sidebar .nav{flex-direction:row!important;display:flex!important;max-width:100%;overflow-x:auto!important;white-space:normal;scrollbar-width:none}
 .sidebar .nav .nav-group{flex:0 0 165px!important;width:165px!important}
 .sidebar .side-label{margin-bottom:8px}
}
.reader-mode{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:0 0 19px;margin-bottom:16px;border-bottom:1px solid var(--line)}
.reader-mode span{font-size:9px;letter-spacing:.13em;font-weight:900;color:#727272}
.reader-mode button{border:1px solid #b1b1b1;background:transparent;padding:7px 9px;cursor:pointer;font-size:10px;font-weight:850;border-radius:20px;white-space:nowrap;transition:background .2s,color .2s}
.reader-mode button:hover{background:#161616;color:#ffffff}
.reader-focus .sidebar{display:none!important}
.reader-focus .layout{grid-template-columns:minmax(0,1fr);max-width:930px;margin-inline:auto}
.reader-focus .hero{max-width:930px;margin-inline:auto}
.reader-focus .hero-card{display:none}
.reader-focus .hero-grid{grid-template-columns:1fr}
.reader-focus main section h2{max-width:850px}
.reader-focus .block{grid-template-columns:210px 1fr}
.chapter-next{border-top:1px solid #161616;border-bottom:1px solid #161616;padding:32px 0 38px;margin:0 0 80px;max-width:950px;opacity:.88;transform:translateY(8px);transition:opacity .7s var(--ease-premium),transform .7s var(--ease-premium)}
.chapter-next.visible{opacity:1;transform:none}
.chapter-next>span{font-size:10px;font-weight:850;letter-spacing:.14em;color:#717171}
.chapter-next>div{display:flex;align-items:end;justify-content:space-between;gap:22px;margin-top:16px;flex-wrap:wrap}
.chapter-next p{font-size:14px;font-weight:700;color:#686868;margin:0}
.chapter-next a{font-size:clamp(20px,2.5vw,30px);font-weight:850;letter-spacing:-.04em;text-decoration:none;border-bottom:1px solid #1a1a1a;padding-bottom:7px}
.chapter-next a em{font-style:normal;font-weight:500;display:inline-block;transition:transform .3s var(--ease-premium)}.chapter-next a:hover em{transform:translate(5px,-5px)}

@media(max-width:980px){.reader-mode{display:none}}
@media(max-width:700px){.reader-focus .layout{max-width:100%}.reader-focus .block{grid-template-columns:1fr}.chapter-next{padding:25px 0}.chapter-next>div{align-items:start;gap:13px}}
.search-box .results a{transition:background .16s,transform .18s;animation:result-enter .3s var(--ease-premium) both}
.search-box .results a:hover{transform:translateX(3px)}
.search-box .results .hit-snippet{display:block;font-size:11px;line-height:1.5;margin-top:5px;color:#5d5d5d;max-width:75ch}
.search-box .results mark{background:#e2e2e2;color:inherit;padding:1px 2px;border-radius:2px}
@keyframes result-enter{from{opacity:0;transform:translateY(7px)}to{opacity:1;transform:none}}


/* Marketing Management 4 — restrained editorial interface, light and dark reading modes. */
:root{--v4-ease:cubic-bezier(.2,.75,.2,1);--v4-accent:#4f4f4f;--v4-on-accent:#ffffff}
html[data-theme='light']{color-scheme:light}
html[data-theme='dark']{color-scheme:dark;--bg:#161616;--paper:#212121;--ink:#eeeeee;--muted:#acacac;--line:#414141;--soft:#292929;--v4-accent:#d1d1d1;--v4-on-accent:#141414;background:var(--bg)}
body,main,.top,.chapter-strip,.sidebar,.definition,.study-example,.interactive-model,.model-art,.hero-card,.premium-dialog,.search-box,.mobile-chapter-select{transition:background-color .28s ease,color .28s ease,border-color .28s ease}
html[data-theme='dark'] body{background:var(--bg);color:var(--ink)}
html[data-theme='dark'] body:before{mix-blend-mode:normal;opacity:.025}
html[data-theme='dark'] ::selection{color:#181818;background:#cdcdcd}
html[data-theme='dark'] .top{background:rgba(22,22,22,.95);border-color:var(--line)}
html[data-theme='dark'] .brand i{background:var(--ink)}
html[data-theme='dark'] .top .btn,html[data-theme='dark'] .top .actions .btn,html[data-theme='dark'] .completion-readout{color:var(--ink);border-color:var(--line);background:transparent}
html[data-theme='dark'] .top .btn:hover{background:#3a3a3a;color:#ffffff}
html[data-theme='dark'] .chapter-strip{background:rgba(22,22,22,.97);border-color:var(--line)}
html[data-theme='dark'] .chapter-strip a{color:#c4c4c4;border-color:transparent}
html[data-theme='dark'] .chapter-strip a.current{color:var(--ink);background:#2f2f2f;border-bottom-color:#bdbdbd}
html[data-theme='dark'] .chapter-strip a.current:after{background:#c5c5c5}
html[data-theme='dark'] .chapter-strip a:hover{background:#2f2f2f;color:#ffffff}
html[data-theme='dark'] .hero,html[data-theme='dark'] footer{border-color:var(--line)}
html[data-theme='dark'] .hero p,html[data-theme='dark'] .lead,html[data-theme='dark'] .content p,html[data-theme='dark'] .content li,html[data-theme='dark'] .content strong,html[data-theme='dark'] .unit-note{color:#d7d7d7}
html[data-theme='dark'] .eyebrow,html[data-theme='dark'] .sec-no,html[data-theme='dark'] .page,html[data-theme='dark'] .side-label,html[data-theme='dark'] .source-micro{color:#b6b6b6}
html[data-theme='dark'] .hero-card,html[data-theme='dark'] .definition,html[data-theme='dark'] .simple,html[data-theme='dark'] .key,html[data-theme='dark'] .coverage,html[data-theme='dark'] .table-wrap,html[data-theme='dark'] .panel{background:#202020;border-color:var(--line)}
html[data-theme='dark'] .definition{border-left-color:#cacaca}
html[data-theme='dark'] .sidebar{border-color:var(--line)}
html[data-theme='dark'] .chapter-links a,html[data-theme='dark'] .nav a,html[data-theme='dark'] .nav-sub a{color:#b3b3b3!important;border-color:var(--line)}
html[data-theme='dark'] .chapter-links a.is-active,html[data-theme='dark'] .nav a.active,html[data-theme='dark'] .nav a.reader-active,html[data-theme='dark'] .nav a:hover,html[data-theme='dark'] .nav-sub a:hover{color:#f2f2f2!important}
html[data-theme='dark'] .nav-track,html[data-theme='dark'] .progress{background:#d1d1d1}
html[data-theme='dark'] .lesson,html[data-theme='dark'] .block,html[data-theme='dark'] .stat,html[data-theme='dark'] .lecture-index,html[data-theme='dark'] .lecture-slide,html[data-theme='dark'] .chapter-next{border-color:var(--line)}
html[data-theme='dark'] .block h3,html[data-theme='dark'] .block .content .full-teaching,html[data-theme='dark'] .block .content .study-example .example-text,html[data-theme='dark'] .block .content .takeaway,html[data-theme='dark'] .concept-focus{color:#f0f0f0!important}
html[data-theme='dark'] .study-example,html[data-theme='dark'] .checkpoints{background:#2a2a2a;color:#eaeaea;border-color:#929292}
html[data-theme='dark'] .lesson-kicker{color:#b9b9b9}
html[data-theme='dark'] .lecture-slide li,html[data-theme='dark'] .lecture-index p,html[data-theme='dark'] .sect-keywords{color:#bababa}
html[data-theme='dark'] .takeaway{border-color:#8a8a8a}
html[data-theme='dark'] .media-figure{background:#242424;border-color:var(--line)}
html[data-theme='dark'] .media-figure img{background:#ffffff}
html[data-theme='dark'] .media-figure figcaption{color:#b3b3b3}
html[data-theme='dark'] th{background:#2c2c2c;color:#f1f1f1;border-color:var(--line)}
html[data-theme='dark'] td{color:#e1e1e1;border-color:var(--line)}
html[data-theme='dark'] .quick-outline a{border-color:var(--line);color:#dfdfdf}
html[data-theme='dark'] .quick-outline a:hover{background:#bebebe;color:#151515}
html[data-theme='dark'] .interactive-model{background:#262626;border-color:#555555}
html[data-theme='dark'] .interactive-model h3,html[data-theme='dark'] .model-top strong,html[data-theme='dark'] .model-detail,html[data-theme='dark'] .route-visual{color:#ebebeb}
html[data-theme='dark'] .model-top small{color:#adadad}
html[data-theme='dark'] .model-art{background:#1d1d1d;border-color:#545454}
html[data-theme='dark'] .model-art .stage,html[data-theme='dark'] .diagram-grid>div{color:#e6e6e6;border-color:#5f5f5f;background:#282828}
html[data-theme='dark'] .model-art .stage:after{color:#b3b3b3}
html[data-theme='dark'] .model-art[data-stage='0'] .stage:nth-child(1),html[data-theme='dark'] .model-art[data-stage='1'] .stage:nth-child(2),html[data-theme='dark'] .model-art[data-stage='2'] .stage:nth-child(3),html[data-theme='dark'] .model-art[data-stage='3'] .stage:nth-child(4),html[data-theme='dark'] .model-options button.selected{background:#d0d0d0;color:#181818;border-color:#d0d0d0}
html[data-theme='dark'] .model-options button{color:#ebebeb;border-color:#626262}
html[data-theme='dark'] .model-options button:hover{background:#3b3b3b}
html[data-theme='dark'] .plc-curve{stroke:#dedede}
html[data-theme='dark'] .premium-dialog,html[data-theme='dark'] .search-box{background:#242424;color:#eeeeee;border-color:#515151}
html[data-theme='dark'] .premium-dialog>p,html[data-theme='dark'] .premium-dialog .dialog-heading small,html[data-theme='dark'] .search-hint,html[data-theme='dark'] .hit-meta,html[data-theme='dark'] .search-box .results .hit-snippet{color:#bcbcbc}
html[data-theme='dark'] .search-box input,html[data-theme='dark'] .search-box .results a{background:transparent;color:#f0f0f0;border-color:var(--line)}
html[data-theme='dark'] .search-box .results a:hover{background:#393939}
html[data-theme='dark'] .search-box mark{background:#bbbbbb;color:#202020}
html[data-theme='dark'] .premium-dialog button{color:#eeeeee;border-color:#6f6f6f}
html[data-theme='dark'] .premium-dialog button:hover{background:#3f3f3f}
html[data-theme='dark'] .mobile-chapter-select{background-color:#282828;color:#efefef;border-color:var(--line)}
html[data-theme='dark'] .resume-toast{background:#2d2d2d;color:#f1f1f1;border-color:#646464}
html[data-theme='dark'] .reader-mode button{color:#ebebeb;border-color:var(--line)}
html[data-theme='dark'] .narration-sentence.is-speaking{color:#1d1d1d!important;background:#d0d0d0!important;box-shadow:0 0 0 3px #d0d0d0!important}
html[data-theme='dark'] .chapter-next a{color:var(--ink)}
html[data-theme='dark'] .steps,html[data-theme='dark'] .step{background:#272727;color:#e2e2e2;border-color:var(--line)}
html[data-theme='dark'] .audio-dock{border-color:#828282}
html[data-theme='dark'] .mobile-tools:not([hidden]){background:#272727;border-color:#5c5c5c}
#themeBtn{min-width:94px}
#contentsOpen{min-width:105px}
.hero-contents-link{display:inline-flex;align-items:center;margin:16px 0 0;border:0;border-bottom:1px solid currentColor;background:none;padding:4px 0;color:var(--ink);font-size:12px;font-weight:850;cursor:pointer;transition:letter-spacing .2s ease,transform .2s ease}
.hero-contents-link:hover{letter-spacing:.02em;transform:translateX(3px)}
.contents-dialog{width:min(650px,calc(100vw - 22px));max-height:min(84dvh,880px);border:1px solid var(--line);background:var(--paper);color:var(--ink);padding:0;box-shadow:0 30px 100px rgba(0,0,0,.3)}
.contents-dialog::backdrop{background:rgba(8,8,8,.7);backdrop-filter:blur(5px)}
.contents-shell{padding:clamp(18px,3vw,32px)}
.contents-top{display:flex;align-items:start;justify-content:space-between;gap:18px}
.contents-top h2{font-size:clamp(30px,5vw,48px);line-height:1;margin:0}
.contents-top button{width:40px;height:40px;border:1px solid var(--line);background:transparent;color:inherit;font-size:25px;cursor:pointer;flex:none}
.contents-shell>p{font-size:13px;color:var(--muted);line-height:1.6}
.contents-shell input{display:block;width:100%;height:50px;background:transparent;border:1px solid var(--line);border-radius:0;padding:0 14px;color:inherit;font-size:14px;outline-offset:3px;margin:19px 0 11px}
#contentsLinks{display:flex;flex-direction:column;max-height: min(51dvh,440px);overflow-y:auto;overscroll-behavior:contain;scrollbar-width:thin}
#contentsLinks a{display:block;padding:13px 8px;border-bottom:1px solid var(--line);text-decoration:none;color:var(--ink);font-size:13px;font-weight:750;transition:background .18s ease,padding .2s ease}
#contentsLinks a:hover,#contentsLinks a:focus-visible{background:var(--soft);padding-left:15px}
#contentsLinks a[hidden]{display:none}
.reading-rail{position:fixed;right:20px;bottom:22px;z-index:183;display:flex;align-items:stretch;gap:0;background:var(--paper);color:var(--ink);border:1px solid var(--line);box-shadow:0 7px 22px rgba(0,0,0,.08);transition:bottom .26s var(--v4-ease),transform .28s var(--v4-ease);opacity:.97}
.reading-rail button{min-height:44px;min-width:43px;padding:0 11px;border:0;border-left:1px solid var(--line);background:transparent;color:inherit;font-size:16px;cursor:pointer;transition:background .2s,color .2s}
.reading-rail button:first-child{border-left:0}
.reading-rail button:hover{background:var(--soft)}
.reading-rail #currentTopic{max-width:216px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-size:10px;font-weight:850;letter-spacing:.035em;text-transform:uppercase}
.reading-rail #backToTop{font-size:19px}
body:has(.audio-dock:not([hidden])) .reading-rail{bottom:154px}
body:has(.resume-toast:not([hidden])) .reading-rail{bottom:118px}
.reader-focus .reading-rail{display:flex!important}
/* Reading content stays motion-free. Reveal only headings and diagrams. */
@media(min-width:701px){main section h2.scroll-reveal.in-view{animation:heading-v4 .58s var(--v4-ease) both}}
@keyframes heading-v4{from{opacity:.75;transform:translateY(13px)}to{opacity:1;transform:none}}
@media(max-width:1190px){.top .actions #contentsOpen{font-size:0;padding:9px 11px}.top .actions #contentsOpen:after{content:'☷';font-size:17px}}
@media(max-width:700px){
 .top .actions #themeBtn{display:inline-flex!important;font-size:0!important;min-width:36px!important;padding:9px 6px!important}
 .top .actions #themeBtn:after{content:'◐';font-size:22px}
 .top .actions #contentsOpen{display:inline-flex!important;font-size:0!important;min-width:36px!important;padding:9px 5px!important}
 .top .actions #contentsOpen:after{content:'☷';font-size:20px}
 .top .brand{max-width:126px!important}.top .actions{gap:1px!important}
 .reading-rail{bottom:10px;right:9px;left:9px;justify-content:space-between}
 .reading-rail button{min-height:45px;min-width:42px}.reading-rail #currentTopic{flex:1;max-width:none}
 body:has(.audio-dock:not([hidden])) .reading-rail{bottom:169px}
 body:has(.resume-toast:not([hidden])) .reading-rail{bottom:103px}
 .contents-dialog{max-height:94dvh}
 .hero-contents-link{margin-top:11px}
}
@media(prefers-reduced-motion:reduce){@view-transition{navigation:none}.hero-contents-link,.reading-rail,.contents-links,.narration-sentence{animation:none!important;transition:none!important}}
@media print{.reading-rail,.contents-dialog,.hero-contents-link{display:none!important}}

.block[data-source-level^="additional"] .lesson-kicker:after{content:"  ·  ADDITIONAL CLARIFICATION";font-size:9px;font-weight:700;letter-spacing:.04em;opacity:.7}
/* Final legibility and mobile density refinements */
html[data-theme='dark'] .inline-listen{color:#dedede;border-color:#6f6f6f;background:#2a2a2a}
html[data-theme='dark'] .inline-listen:hover{color:#1d1d1d;background:#d1d1d1}
html[data-theme='dark'] .nav a.reader-active{background:#2c2c2c;color:#f7f7f7!important}
html[data-theme='dark'] .reader-mode span{color:#c6c6c6}
html[data-theme='dark'] .contents-dialog{background:#242424;color:#f3f3f3;border-color:#616161}
html[data-theme='dark'] .contents-shell>p{color:#bebebe}
html[data-theme='dark'] .contents-shell input{background:#191919;color:#f3f3f3;border-color:#5f5f5f}
html[data-theme='dark'] #contentsLinks a{color:#f1f1f1;border-color:#414141}
html[data-theme='dark'] #contentsLinks a:hover{background:#393939}
html[data-theme='dark'] .reading-rail{background:#272727;border-color:#5b5b5b;color:#f3f3f3}
html[data-theme='dark'] .reading-rail button{border-color:#5b5b5b}
html[data-theme='dark'] .reading-rail button:hover{background:#464646}
html[data-theme='dark'] .hero-contents-link{color:#ededed}
.reading-rail.is-hidden{opacity:0;pointer-events:none;transform:translateY(12px)}
.reading-rail button:disabled{opacity:.28;cursor:not-allowed}
@media(max-width:700px){
 .top .brand{max-width:78px!important}
 .top .brand span{font-size:0!important;letter-spacing:0}
 .top .brand span:after{content:'NOTES'!important;font-size:11px!important;letter-spacing:.06em}
 .sidebar .side-label{display:none!important}
 .sidebar .nav{padding-top:5px!important;padding-bottom:14px!important}
 .top .actions #contentsOpen,.top .actions #themeBtn{min-width:35px!important}
}

/* V6 — Personal edition. Respects previous editorial design and dark mode. */
.top .varsha-brand{display:inline-flex;align-items:center;gap:11px;text-decoration:none;color:var(--ink);flex:0 1 auto;min-width:0;white-space:nowrap}
.top .varsha-brand .v-monogram{height:37px;width:37px;min-width:37px;display:inline-flex;align-items:center;justify-content:center;background:var(--ink);color:var(--bg);border:1px solid var(--ink);border-radius:7px;font:950 26px/1 ui-sans-serif,system-ui,sans-serif;letter-spacing:-.13em;padding-right:4px;transition:transform .25s ease,background .25s ease}
.top .varsha-brand:hover .v-monogram{transform:translateY(-2px)}
.top .varsha-brand .mono-stop{font-size:14px;letter-spacing:0;align-self:flex-end;padding-bottom:6px}
.top .varsha-brand .brand-wordmark{display:flex;flex-direction:column;gap:3px;min-width:0}
.top .varsha-brand .brand-wordmark strong{color:var(--ink);font-size:12px;font-weight:950;line-height:1;letter-spacing:.09em}
.top .varsha-brand .brand-wordmark small{color:var(--muted);font-size:8px;font-weight:750;letter-spacing:.09em;line-height:1.25}
.top .vb-overall{border:1px solid var(--line);padding:8px 11px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;text-decoration:none;color:var(--ink);flex:none;min-width:71px;transition:border-color .2s,background .2s}
.top .vb-overall:hover,.top .vb-overall:focus-visible{background:var(--soft);border-color:var(--ink)}
.top .vb-overall>span{font-size:8px;letter-spacing:.16em;font-weight:900;color:var(--muted)}
.top .vb-overall>strong{font-size:17px;font-weight:950;line-height:1;font-variant-numeric:tabular-nums}
.varsha-progress{background:var(--ink);color:var(--bg);padding:21px 22px 19px;margin:-1px -1px 24px;scroll-margin-top:110px}
.vb-progress-eyebrow{display:flex;align-items:center;gap:9px;font-size:9px;letter-spacing:.11em;font-weight:850;opacity:.85}
.vb-flourish{font-size:18px;font-weight:900;line-height:1;letter-spacing:-.1em;margin-right:1px}
.varsha-progress .vb-progress-statement{font-family:inherit;font-size:clamp(24px,2.5vw,34px);font-weight:900;line-height:1.13;letter-spacing:-.045em;margin:16px 0 17px;color:inherit}
.vb-percent{font-variant-numeric:tabular-nums;white-space:nowrap}
.vb-track{height:6px;width:100%;overflow:hidden;background:color-mix(in srgb,var(--bg) 28%,transparent);border-radius:999px}
.vb-track>span{height:100%;display:block;width:0;background:var(--bg);border-radius:inherit;transition:width .58s cubic-bezier(.22,1,.36,1)}
.vb-progress-meta{display:flex;gap:10px;justify-content:space-between;align-items:center;font-size:10px;font-weight:750;margin:10px 0 13px;color:inherit}
.vb-chapter-markers{display:grid;grid-template-columns:repeat(6,minmax(0,1fr));gap:5px}
.vb-chapter-markers>a{display:flex;flex-direction:column;gap:5px;min-width:0;text-decoration:none;color:inherit;opacity:.86}
.vb-chapter-markers>a:focus-visible{outline:2px solid var(--bg);outline-offset:4px}
.vb-chapter-markers .vb-mini-track{background:color-mix(in srgb,var(--bg) 26%,transparent);height:3px;overflow:hidden;display:block}
.vb-chapter-markers .vb-mini-track>span{display:block;height:100%;width:0;background:var(--bg);transition:width .5s cubic-bezier(.22,1,.36,1)}
.vb-chapter-markers .vb-marker-label{font-size:9px;font-weight:850;line-height:1;font-variant-numeric:tabular-nums}
.varsha-progress .vb-progress-footnote{font-size:10px!important;font-weight:500;line-height:1.5;margin:15px 0 0!important;opacity:.77;color:inherit!important}
.hero-card:has(.varsha-progress){padding-top:1px}
html[data-theme='dark'] .varsha-progress{background:#dddddd;color:#1e1e1e}
html[data-theme='dark'] .varsha-progress .vb-track,html[data-theme='dark'] .varsha-progress .vb-mini-track{background:#b7b7b7}
html[data-theme='dark'] .varsha-progress .vb-track>span,html[data-theme='dark'] .varsha-progress .vb-mini-track>span{background:#323232}
@media(max-width:1270px){.top .varsha-brand .brand-wordmark small{display:none}.top .varsha-brand .brand-wordmark strong{font-size:10px}}
@media(max-width:980px){.top .varsha-brand .brand-wordmark{display:none!important}.top .varsha-brand{max-width:45px!important}.top .vb-overall{min-width:58px;padding:6px 7px}.top .vb-overall>span{font-size:7px}}
@media(max-width:700px){.top .varsha-brand{max-width:38px!important;min-width:38px!important;overflow:visible!important}.top .varsha-brand .v-monogram{width:35px;height:35px;min-width:35px;font-size:24px}.top .varsha-brand .brand-wordmark{display:none!important}.top .vb-overall{min-width:51px;padding:5px}.top .vb-overall>strong{font-size:15px}.top .vb-overall>span{letter-spacing:.05em}.hero-card:has(.varsha-progress){padding:1px 0 15px}.hero-card:has(.varsha-progress)>h3,.hero-card:has(.varsha-progress)>p,.hero-card:has(.varsha-progress)>.stat{margin-left:16px;margin-right:16px}.varsha-progress{margin:0 0 18px;padding:19px 17px}.varsha-progress .vb-progress-statement{font-size:clamp(25px,6vw,31px)}.vb-progress-meta{font-size:9px}}
@media(prefers-reduced-motion:reduce){.varsha-progress *, .top .varsha-brand .v-monogram{transition:none!important;animation:none!important}}
@media print{.top .vb-overall{display:none}.varsha-progress{background:transparent;color:var(--ink);border:1px solid var(--line)}}
/* Defeat legacy mobile branding overrides that insert the word NOTES after every span. */
@media(max-width:700px){
  .top .varsha-brand span::after{content:none!important}
  .top .varsha-brand span.v-monogram{display:inline-flex!important;font-size:24px!important;letter-spacing:-.13em!important}
  .top .varsha-brand span.mono-stop{display:inline-block!important;font-size:14px!important;letter-spacing:0!important}
  .top .varsha-brand .brand-wordmark{display:none!important}
  .top .varsha-brand{flex:0 0 38px!important}
  .hero-card:has(.varsha-progress){display:block!important;min-width:0;margin-top:24px}
}

/* Varsha Baby V7 — editorial reader design system. No PDF-derived imagery. */
:root{
  --bg:#f3f3f3;--paper:#fbfbfb;--ink:#232323;--muted:#5d5d5d;--line:#d7d7d7;--soft:#ececec;
  --surface:#eeeeee;--surface-raised:#fbfbfb;--accent:#424242;--accent-ink:#ffffff;
  --focus:#5b5b5b;--selection:#e6e6e6;--selection-text:#2a2a2a;--link:#4d4d4d;
  --max:1250px;--side:272px;--v7-header:72px;color-scheme:light;
}
html[data-theme=dark]{
  --bg:#1c1c1c;--paper:#242424;--ink:#f0f0f0;--muted:#c2c2c2;--line:#505050;--soft:#323232;
  --surface:#2b2b2b;--surface-raised:#303030;--accent:#d7d7d7;--accent-ink:#212121;
  --focus:#d0d0d0;--selection:#4c4c4c;--selection-text:#fcfcfc;--link:#dcdcdc;
  color-scheme:dark;
}
html{scroll-padding-top:calc(var(--v7-header) + 18px);background:var(--bg);overflow-x:clip}
body{background:var(--bg);color:var(--ink);font-feature-settings:'kern';}
body:before{display:none!important}
button,a,select,input{touch-action:manipulation}
:where(a,button,input,select,[tabindex]):focus-visible{outline:3px solid var(--focus)!important;outline-offset:3px!important}
a{color:var(--link)}
::selection{background:var(--selection);color:var(--selection-text)}
.progress,.completion-readout,.reading-rail,.resume-toast,.hero-card,.vb-progress-meta,.vb-chapter-markers,.vb-track{display:none!important}
.top{height:var(--v7-header);min-height:var(--v7-header);padding:0 clamp(16px,3.2vw,48px);display:flex;flex-wrap:nowrap;align-items:center;gap:clamp(12px,2vw,26px);justify-content:space-between;background:var(--bg)!important;border-bottom:1px solid var(--line);box-shadow:none;backdrop-filter:blur(14px)}
.top .varsha-brand{flex:0 0 auto!important;min-width:0!important;max-width:none!important;gap:11px;align-self:center;text-decoration:none;color:var(--ink)}
.top .varsha-brand .v-monogram{width:42px;height:42px;min-width:42px;font-size:29px;border-radius:0}
.top .varsha-brand .brand-wordmark{display:flex;flex-direction:column;min-width:115px;gap:3px}
.top .varsha-brand .brand-wordmark strong{font-size:12px;letter-spacing:.115em;line-height:1.1;color:var(--ink)}
.top .varsha-brand .brand-wordmark small{font-size:9px;letter-spacing:.11em;color:var(--muted)}
.v7-overall{flex:none;margin:0 auto;font-size:clamp(12px,1.12vw,14px);font-weight:570;line-height:1.4;letter-spacing:-.018em;color:var(--muted);white-space:nowrap}
.v7-overall strong{color:var(--ink);font-weight:860;font-size:1.1em;font-variant-numeric:tabular-nums}
.v7-overall strong.v7-updated{animation:progress-reveal .34s ease-out}
@keyframes progress-reveal{0%{opacity:.55;transform:translateY(2px)}100%{opacity:1;transform:none}}
.top .actions{display:flex;flex:0 1 auto;min-width:0;gap:6px;margin:0;order:initial;width:auto;align-items:center;justify-content:flex-end}
.top .actions .btn,.reader-mode button{font-size:11px;font-weight:750;line-height:1.3;letter-spacing:0;background:transparent;color:var(--ink);border-color:var(--line);padding:9px 12px;border-radius:7px;min-height:37px;min-width:0}
.top .actions .btn:hover,.reader-mode button:hover{background:var(--surface);color:var(--ink);border-color:var(--muted)}
.top .actions #themeBtn{min-width:70px}
.chapter-strip{top:var(--v7-header);background:var(--bg)!important;border-bottom:1px solid var(--line);box-shadow:none;padding-inline:16px}
.chapter-strip a{color:var(--muted);font-size:11px;font-weight:630;padding:15px 11px;border-color:transparent}
.chapter-strip a.current{color:var(--ink);font-weight:820;background:none!important;border-bottom-color:var(--accent)}
.mobile-chapter-select{display:none}
.shell{max-width:var(--max);padding-inline:clamp(18px,3.6vw,45px)}
.hero{padding:clamp(44px,5.2vw,75px) 0 clamp(39px,4vw,55px);border-bottom:1px solid var(--line)}
.hero-grid,.reader-focus .hero-grid{display:block;max-width:930px}
.hero .eyebrow{font-size:10px;letter-spacing:.14em;color:var(--accent);font-weight:800}
.hero h1{font-size:clamp(42px,5.3vw,71px);letter-spacing:-.061em;line-height:1.07;max-width:970px;margin:17px 0 19px;font-weight:850;text-wrap:balance}
.hero p{font-size:clamp(16px,1.4vw,19px);line-height:1.7;letter-spacing:-.012em;color:var(--muted);max-width:760px}
.hero .unit-note{font-size:12px;color:var(--muted);margin-top:21px;line-height:1.55}
.hero-contents-link{font-size:12px;margin-top:25px;color:var(--link);font-weight:800;letter-spacing:0}
.layout,.reader-focus .layout{display:grid;grid-template-columns:var(--side) minmax(0,1fr);gap:clamp(42px,5vw,66px);max-width:none;margin:0;padding-top:55px;padding-bottom:100px;align-items:start}
.sidebar{position:sticky;top:calc(var(--v7-header) + 61px);height:calc(100dvh - var(--v7-header) - 84px);min-height:245px;overflow-y:auto;overflow-x:hidden;overscroll-behavior:contain;scrollbar-width:thin;scrollbar-color:var(--line) transparent;scroll-margin-top:150px;border:0;padding:0 13px 0 0}
.sidebar .reader-mode{display:flex;align-items:center;justify-content:space-between;margin:0 0 27px}
.reader-mode span,.side-label{font-size:10px;letter-spacing:.12em;color:var(--muted);font-weight:790}
.sidebar .reader-mode button{font-size:10px;border:none;border-radius:0;border-bottom:1px solid var(--line);padding:5px 0;min-height:0}
.sidebar .side-label{display:block!important;margin:22px 0 9px}
.sidebar .chapter-links{display:flex;flex-direction:column;gap:0}
.sidebar .chapter-links a{padding:9px 9px;border-bottom:1px solid var(--line);font-size:12px;color:var(--muted);line-height:1.45;text-decoration:none;transition:background-color .18s}
.sidebar .chapter-links a.is-active{color:var(--ink)!important;background:var(--soft);font-weight:830}
.sidebar .nav{display:flex;flex-direction:column;gap:0;overflow:visible;padding:0!important}
.sidebar .nav-track{display:none!important}
.sidebar .nav .nav-group{flex:none;max-width:100%;min-width:0}
.sidebar .nav .nav-group>a{display:grid;grid-template-columns:25px minmax(0,1fr);gap:6px;color:var(--muted)!important;border-top:1px solid var(--line);border-bottom:0;padding:11px 9px!important;font-size:12px!important;font-weight:570;line-height:1.35;max-width:100%;white-space:normal;transition:background-color .16s}
.sidebar .nav .nav-group>a i{font-family:ui-sans-serif,system-ui;font-style:normal;font-size:10px;color:var(--muted);line-height:1.8}
.sidebar .nav .nav-group>a.reader-active,.sidebar .nav .nav-group>a.active,.sidebar .nav .nav-group>a[aria-current=location]{color:var(--ink)!important;font-weight:830;background:var(--soft);border-left:3px solid var(--accent);padding-left:6px!important}
.sidebar .nav .nav-group>a:hover{color:var(--ink)!important;background:var(--soft)}
.sidebar .nav .nav-sub,.sidebar .nav .nav-group.open .nav-sub{display:none!important}
main{min-width:0;width:100%;max-width:770px;justify-self:start}
main section{padding:8px 0 43px;scroll-margin-top:calc(var(--v7-header) + 84px);min-width:0}
main section+section{padding-top:40px;border-top:1px solid var(--line)}
main section h2{font-size:clamp(30px,3vw,43px);letter-spacing:-.047em;line-height:1.13;max-width:800px;font-weight:840;margin:14px 0 23px;text-wrap:balance;color:var(--ink)}
.sec-meta{display:flex;align-items:center;justify-content:space-between;gap:13px;flex-wrap:wrap;color:var(--muted)}
.sec-no{color:var(--muted)!important;font-size:10px;letter-spacing:.1em;font-weight:820}
.sec-meta .page,.sec-meta .page a{font-size:10px;line-height:1.5;color:var(--muted)!important;text-decoration:underline;text-underline-offset:3px}
.inline-listen{border-radius:6px;font-size:11px;margin:0 0 22px;padding:8px 12px;border-color:var(--line);color:var(--link);background:transparent;min-height:36px}
.inline-listen:hover{background:var(--surface);color:var(--ink);transform:none}
.lesson{border-top:1px solid var(--line)}
.block,.reader-focus .block{display:block!important;grid-template-columns:1fr!important;max-width:770px;padding:28px 0 34px!important;margin:0;border-bottom:1px solid var(--line);background:transparent;gap:0!important}
.block h3{font-size:clamp(21px,2vw,25px)!important;line-height:1.24!important;letter-spacing:-.036em!important;font-weight:790!important;color:var(--ink)!important;margin:0 0 22px;max-width:640px}
.block .content{max-width:730px}
.block .content .lesson-explanation,.block .content .full-teaching{max-width:none}
.block .content .lesson-kicker{font-size:10px;line-height:1.4;color:var(--muted)!important;margin-bottom:10px;font-weight:820;letter-spacing:.105em}
.block .content .full-teaching{font-size:clamp(17px,1.34vw,18px)!important;font-weight:430;letter-spacing:-.011em;line-height:1.79!important;color:var(--ink)!important;margin:0 0 23px;overflow-wrap:break-word}
.block .content .study-example,.study-example{background:var(--surface)!important;color:var(--ink)!important;border:none;border-left:3px solid var(--accent)!important;border-radius:0;padding:17px 21px!important;margin-top:5px;max-width:730px}
.block .content .study-example b,.study-example b{color:var(--accent)!important;font-size:10px;letter-spacing:.105em}
.block .content .study-example .example-text,.block .content .study-example p,.study-example p{color:var(--ink)!important;line-height:1.75!important;font-size:clamp(15px,1.1vw,16px)!important;font-weight:420}
.block .content .takeaway{color:var(--muted)!important;font-size:13px;line-height:1.6}
.narration-sentence{scroll-margin-top:calc(var(--v7-header) + 34px)}
.narration-sentence.is-speaking,html[data-theme=dark] .narration-sentence.is-speaking{background:var(--selection)!important;color:var(--selection-text)!important;box-shadow:0 0 0 2px var(--selection)!important}
.section-pager{display:flex;align-items:center;justify-content:space-between;gap:18px;margin:27px 0 0;padding-top:16px;min-height:32px}
.section-pager a{font-size:11px;font-weight:750;color:var(--link);text-decoration:none;padding:6px 0}
.section-pager a:hover{text-decoration:underline;text-underline-offset:4px}
.section-pager .pager-next{margin-left:auto;text-align:right}
/* Unified surfaces: no bright panel/white writing combinations in dark mode. */
.definition,.simple,.key,.coverage,.panel,.table-wrap,.steps,.step,.lecture-index,.lecture-slide,.interactive-model,.model-art,.diagram-grid>div,.model-art .stage,.checkpoints,th,td,.chapter-next{background:var(--surface)!important;color:var(--ink)!important;border-color:var(--line)!important}
.definition *,.simple *,.key *,.coverage *,.panel *,.table-wrap *,.steps *,.step *,.lecture-index *,.lecture-slide *,.interactive-model *,.checkpoints *{color:inherit}
.interactive-model{padding:clamp(18px,3vw,27px);margin:19px 0 30px;max-width:100%;overflow:hidden}
.interactive-model h3,.interactive-model .model-top strong,.interactive-model .model-detail,.interactive-model .route-visual,.interactive-model svg text{color:var(--ink)!important;fill:var(--ink)}
.interactive-model .model-top small{color:var(--muted)!important}
.interactive-model button{background:var(--paper);color:var(--ink)!important;border-color:var(--line);min-height:42px}
.interactive-model .model-options button.selected{background:var(--accent)!important;color:var(--accent-ink)!important;border-color:var(--accent)!important}
.model-art{min-width:0;overflow:auto;max-width:100%}
.model-art svg{max-width:100%;height:auto}
.plc-curve{stroke:var(--accent)!important}
html[data-theme=dark] .content p,html[data-theme=dark] .content li,html[data-theme=dark] .content strong,html[data-theme=dark] .block .content .full-teaching,html[data-theme=dark] .block .content .study-example p{color:var(--ink)!important}
html[data-theme=dark] .block .content .lesson-kicker,html[data-theme=dark] .hero p,html[data-theme=dark] .sect-keywords{color:var(--muted)!important}
html[data-theme=dark] .study-example,html[data-theme=dark] .checkpoints{background:var(--surface)!important;color:var(--ink)!important;border-color:var(--accent)!important}
html[data-theme=dark] .premium-dialog,html[data-theme=dark] .search-box,html[data-theme=dark] .contents-dialog{background:var(--paper)!important;color:var(--ink)!important;border-color:var(--line)!important}
html[data-theme=dark] .search-box input,html[data-theme=dark] .search-box .results a,html[data-theme=dark] .contents-shell input{color:var(--ink)!important;background:var(--paper)!important;border-color:var(--line)!important}
html[data-theme=dark] .search-box .results a:hover{background:var(--soft)!important}
html[data-theme=dark] .contents-dialog #contentsLinks a{color:var(--ink)!important;border-color:var(--line)!important}
html[data-theme=dark] .search-box mark{color:var(--selection-text)!important;background:var(--selection)!important}
html[data-theme=dark] .nav .nav-group>a{border-color:var(--line)}
html[data-theme=dark] .nav .nav-group>a.reader-active{color:var(--ink)!important}
.search-box mark{background:var(--selection);color:var(--selection-text)}
.premium-dialog button,.contents-shell button{color:var(--ink);border-color:var(--line)}
.premium-dialog button:hover,.contents-shell button:hover{background:var(--soft);color:var(--ink)}
.contents-dialog{max-width:650px;border-radius:10px}
.search-modal{z-index:210;background:rgba(21,21,21,.45)}
.search-box{border-radius:11px}
.audio-dock{border-radius:12px;max-width:calc(100vw - 24px)}
/* Smaller screens: a single document scroll, no horizontal sidebar or bottom nav. */
@media(max-width:1150px){
  .top .varsha-brand .brand-wordmark small{display:none}
  .top .actions>a[href^='mindmap']{display:none}
  .top .actions #resumeBtn,.top .actions #notesBtn{display:none}
  .top .actions .mobile-tools-btn{display:inline-flex!important;align-items:center;justify-content:center}
  .mobile-tools:not([hidden]){display:flex;position:fixed;top:var(--v7-header);right:14px;max-width:min(320px,calc(100vw - 28px));width:260px;z-index:200;flex-direction:column;padding:12px;background:var(--paper);border:1px solid var(--line);box-shadow:0 18px 60px rgba(0,0,0,.18)}
  .mobile-tools:not([hidden])>*{color:var(--ink);background:transparent;text-align:left;border:0;border-bottom:1px solid var(--line);border-radius:0;text-decoration:none;padding:12px;min-height:42px;font-size:13px}
  .layout,.reader-focus .layout{grid-template-columns:230px minmax(0,1fr);gap:38px}
}
@media(max-width:980px){
  .layout,.reader-focus .layout{display:block!important;padding-top:28px}
  .sidebar{display:none!important}
  main{max-width:760px;margin-inline:auto}
  .top .actions #listenTopBtn{display:none}
  .top .actions #searchBtn{display:inline-flex}
  .top .actions #contentsOpen{display:inline-flex}
  .hero{padding-top:42px}
}
@media(max-width:700px){
  :root{--v7-header:106px}
  .top{min-height:var(--v7-header)!important;height:var(--v7-header)!important;padding:11px 16px!important;display:grid!important;grid-template-columns:minmax(0,1fr) auto;grid-template-rows:37px 38px!important;gap:7px 8px!important;align-items:center;align-content:center;flex-wrap:nowrap!important}
  .top .varsha-brand{grid-column:1;grid-row:1;min-width:0!important;max-width:none!important;width:max-content;min-height:0}
  .top .varsha-brand .v-monogram{width:35px;height:35px;min-width:35px;font-size:25px}
  .top .varsha-brand .brand-wordmark{display:flex!important;min-width:0;max-width:160px}
  .top .varsha-brand .brand-wordmark strong{font-size:11px!important;letter-spacing:.09em}
  .top .varsha-brand .brand-wordmark strong:after{display:none!important;content:none!important}
  .top .varsha-brand .brand-wordmark small{display:none!important}
  .top .varsha-brand span{font-size:inherit!important;letter-spacing:inherit!important}
  .top .varsha-brand span:after{display:none!important;content:none!important}
  .v7-overall{grid-column:2;grid-row:1;margin:0;justify-self:end;text-align:right;white-space:nowrap;font-size:11px!important;line-height:1.3;max-width:none}
  .top .actions{grid-column:1/-1;grid-row:2;display:flex!important;margin:0!important;width:100%!important;gap:8px!important;align-items:center;justify-content:flex-end!important}
  .top .actions #themeBtn,.top .actions #contentsOpen,.top .actions #searchBtn,.top .actions #mobileToolsBtn{display:inline-flex!important;align-items:center;justify-content:center;min-width:0!important;flex:1 1 0;font-size:11px!important;padding:8px 5px!important;min-height:34px;border-radius:5px}
  .top .actions #themeBtn:after,.top .actions #contentsOpen:after,.top .actions #searchBtn:after{display:none!important;content:none!important}
  .top .actions #themeBtn{font-size:11px!important}
  .top .actions #searchBtn{font-size:11px!important;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
  .top .actions .icon-action,.top .actions>a[href^='mindmap']{display:none!important}
  .mobile-tools:not([hidden]){top:calc(var(--v7-header) - 4px)!important}
  .mobile-chapter-select{display:block!important;position:sticky;top:var(--v7-header);z-index:98;width:100%;height:44px;border:0;border-bottom:1px solid var(--line);padding:0 18px;background:var(--paper);color:var(--ink);font-size:12px;appearance:auto;background-image:none}
  .shell{padding:0 20px}
  .hero{padding:36px 0 39px!important}
  .hero h1{font-size:clamp(35px,9vw,48px)!important;line-height:1.06!important;letter-spacing:-.053em;margin-top:16px}
  .hero p{font-size:16px!important;line-height:1.7}
  .hero .unit-note{font-size:11px}
  .layout{padding-top:31px!important}
  main section{scroll-margin-top:calc(var(--v7-header) + 59px)!important;padding-bottom:28px!important}
  main section h2{font-size:clamp(28px,7.2vw,36px);margin:15px 0 23px}
  .block{padding:25px 0 30px!important}
  .block h3{font-size:21px!important;margin-bottom:18px}
  .block .content .full-teaching{font-size:16.5px!important;line-height:1.77!important}
  .block .content .study-example{padding:16px 18px!important}
  .block .content .study-example .example-text{font-size:15px!important}
  .section-pager{margin-top:23px}
  .audio-dock{left:10px;right:10px;bottom:10px;width:auto}
}
@media(max-width:370px){
  .shell{padding-inline:17px}
  .v7-overall{font-size:10px!important}
  .top{padding-inline:12px!important}
  .top .varsha-brand .brand-wordmark strong{font-size:10px!important}
  .top .actions .btn{letter-spacing:-.04em}
  .hero h1{font-size:35px!important}
}
@media(prefers-reduced-motion:reduce){
  html{scroll-behavior:auto!important}
  .v7-overall strong,.section-pager a,.top *{animation:none!important;transition:none!important}
}
@media print{.top,.mobile-chapter-select,.chapter-strip,.sidebar,.section-pager,.audio-dock{display:none!important}.layout{display:block!important}main{max-width:100%}}

/* Tools menu consolidates advanced actions instead of filling the header. */
.top .actions #resumeBtn,.top .actions #notesBtn,.top .actions #listenTopBtn{display:none!important}
.top .actions #mobileToolsBtn{display:inline-flex!important;align-items:center;justify-content:center}
.mobile-tools:not([hidden]){display:flex!important;position:fixed;top:var(--v7-header);right:clamp(14px,3vw,46px);z-index:202;flex-direction:column;width:250px;max-width:calc(100vw - 28px);padding:10px;background:var(--paper);color:var(--ink);border:1px solid var(--line);box-shadow:0 18px 60px rgba(0,0,0,.18);border-radius:8px}
.mobile-tools:not([hidden])>*{display:block;min-height:43px;padding:12px;border:0;border-bottom:1px solid var(--line);border-radius:0;color:var(--ink);background:transparent;text-decoration:none;text-align:left;font-size:13px;font-weight:650}
.mobile-tools:not([hidden])>*:hover{background:var(--surface)}
html[data-theme=dark] .mobile-tools:not([hidden]){background:var(--paper);color:var(--ink);border-color:var(--line)}
/* Keep every word readable throughout entrance and theme changes. */
.hero-grid h1{animation:v7-enter .46s ease-out both!important;animation-delay:0s!important;filter:none!important}
.hero .eyebrow,.hero p{animation:v7-enter .36s ease-out both!important;animation-delay:0s!important;filter:none!important}
@keyframes v7-enter{from{opacity:.88;transform:translateY(7px)}to{opacity:1;transform:none}}
body,main,.top,.chapter-strip,.sidebar,.definition,.study-example,.interactive-model,.model-art,.hero-card,.premium-dialog,.search-box,.mobile-chapter-select{transition:none!important}

/* V9 canonical visual design */
/* MARKETING MANAGEMENT — V9 / Soft Editorial Design System
   Existing content compatibility is bundled before this canonical design layer.
   No paid assets, tracking or design-system frameworks. */
:root{--bg:#f7f6f2;--paper:#fffefa;--ink:#22221f;--muted:#77766f;--line:#e6e4df;--soft:#efeee9;--surface:#f1f0eb;--surface-raised:#fffefa;--accent:#242421;--accent-ink:#fffefa;--focus:#3c3b37;--selection:#dcdad2;--selection-text:#22221f;--link:#292824;--ease:cubic-bezier(.22,.86,.24,1);--v7-header:78px;--max:1360px;--side:242px;color-scheme:light}
html[data-theme=dark]{--bg:#1c1b19;--paper:#262522;--ink:#f1efea;--muted:#b3afa6;--line:#44423e;--soft:#2f2e2a;--surface:#2a2926;--surface-raised:#302f2b;--accent:#efede7;--accent-ink:#1c1b19;--focus:#e5e1d7;--selection:#514f48;--selection-text:#fff;--link:#f1efea;color-scheme:dark}
*,*:before,*:after{box-sizing:border-box}
html{scroll-behavior:smooth;background:var(--bg);scrollbar-color:var(--line) transparent;scroll-padding-top:calc(var(--v7-header) + 22px)}
body{margin:0!important;background:var(--bg)!important;color:var(--ink)!important;font-family:'Manrope','Segoe UI Variable','Avenir Next','Segoe UI',system-ui,sans-serif!important;font-optical-sizing:auto;font-weight:500;letter-spacing:-.012em;overflow-x:clip}
body:before{display:none!important}a{color:inherit;text-underline-offset:4px}button,input,select{font:inherit}button{cursor:pointer;touch-action:manipulation;color:var(--ink);border:1px solid var(--line);background:transparent;border-radius:100px;min-height:40px;padding:10px 17px;transition:background-color .28s var(--ease),border-color .28s var(--ease),transform .36s var(--ease),color .28s var(--ease)}button:hover:not(:disabled){background:var(--soft)}button:disabled{opacity:.35;cursor:default}a,button{ -webkit-tap-highlight-color:transparent}a:focus-visible,button:focus-visible,[tabindex]:focus-visible,input:focus-visible,select:focus-visible{outline:2px solid var(--focus)!important;outline-offset:4px!important}::selection{background:var(--selection);color:var(--selection-text)}[hidden]{display:none!important}
.kicker{display:block;font-size:10px;font-weight:800;letter-spacing:.15em;color:var(--muted);text-transform:uppercase}.skip-link{position:fixed;top:-160px;left:10px;z-index:9999;background:var(--paper);color:var(--ink);padding:15px 20px;text-decoration:none;border-radius:12px}.skip-link:focus{top:10px}
/* HOME — light, warm, precise editorial composition */
.homepage .home-header,.atlas-page .home-header{height:82px;padding:0 clamp(22px,5vw,96px);display:flex;align-items:center;justify-content:space-between;gap:18px;border-bottom:1px solid var(--line);position:relative;z-index:5;background:var(--bg)}
.publication{font-size:11px;letter-spacing:.09em;font-weight:800;text-decoration:none;color:var(--ink);white-space:nowrap}.pub-dot{font-size:19px;vertical-align:middle;font-weight:500;margin-left:7px}.home-header .v7-overall{margin:0 auto;font-size:12px;white-space:nowrap;font-weight:600;color:var(--muted);letter-spacing:0}.home-header .v7-overall strong{color:var(--ink);font-weight:800;font-size:1.08em}.home-header button{padding:9px 15px;min-height:40px;font-weight:750;font-size:11px;border-radius:22px}.theme-icon{font-size:18px;line-height:1}.nav-back{font-size:12px;color:var(--muted);text-decoration:none;font-weight:750;margin-left:auto}.nav-back:hover{color:var(--ink)}
.homepage main{max-width:none!important;width:100%;margin:0}.opening{padding:clamp(32px,4vw,65px) clamp(22px,7vw,130px) 0}.opening-meta{display:flex;justify-content:space-between;gap:15px;font-size:10px;font-weight:850;letter-spacing:.13em;color:var(--muted)}
.opening-cover{min-height: min(70vh,660px);position:relative;isolation:isolate;padding:clamp(45px,6vw,110px) 0 45px;display:flex;flex-direction:column;justify-content:space-between;overflow:hidden}
.cover-label{font-size:11px;letter-spacing:.13em;font-weight:850;color:var(--muted)}
.opening h1{font:800 clamp(50px,9vw,166px)/1.055 'Manrope','Segoe UI Variable',system-ui,sans-serif!important;letter-spacing:-.089em;margin:35px 0 45px;position:relative;z-index:1;text-wrap:balance;max-width:1400px}
.opening h1>span{display:block;opacity:0;animation:cover-reveal 1s var(--ease) forwards}.opening h1>span:nth-child(2){animation-delay:.18s}.opening h1 .period{color:var(--muted)}
.opening-bottom{display:flex;align-items:end;justify-content:space-between;gap:24px;position:relative;z-index:2;padding:0 0 10px}.opening-bottom p{font-size:clamp(13px,1.18vw,16px);font-weight:550;line-height:1.8;margin:0;color:var(--muted)}.resume-link{display:inline-flex;align-items:center;gap:24px;padding:16px 23px;color:var(--paper);background:var(--ink);border:1px solid var(--ink);border-radius:100px;text-decoration:none;font-weight:750;font-size:12px;white-space:nowrap;transition:transform .35s var(--ease),box-shadow .35s var(--ease)}.resume-link:hover{transform:translateY(-3px);box-shadow:0 12px 22px #00000012}.resume-link span{font-size:17px}
.cover-orbit{position:absolute;right:4%;top:0%;width:min(47vw,550px);aspect-ratio:1;opacity:.18;z-index:0;pointer-events:none;transform:rotate(-13deg)}.orbit-core{position:absolute;inset:43%;background:var(--ink);border-radius:50%}.orbit-ring{position:absolute;border:1px solid var(--ink);border-radius:50%}.orbit-ring-a{inset:18%}.orbit-ring-b{inset:0}.orbit-mark{position:absolute;width:12px;height:12px;border-radius:50%;background:var(--ink)}.orbit-one{top:16%;left:28%}.orbit-two{right:2%;top:35%}.orbit-three{bottom:4%;left:30%}
.atlas-link{display:flex;align-items:center;justify-content:space-between;gap:30px;border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:35px 4px 45px;text-decoration:none;color:var(--ink);transition:padding .5s var(--ease)}.atlas-link:hover{padding-left:14px;padding-right:14px}.atlas-link strong{font-size:clamp(26px,3.4vw,45px);letter-spacing:-.06em;font-weight:800;line-height:1.2;display:block;margin:12px 0 7px}.atlas-link p{color:var(--muted);font-size:13px;margin:0;line-height:1.8}.atlas-arrow{display:grid;place-items:center;border:1px solid var(--line);width:62px;height:62px;flex:none;border-radius:100px;font-size:26px;transition:transform .35s var(--ease),background .35s var(--ease)}.atlas-link:hover .atlas-arrow{transform:rotate(45deg);background:var(--soft)}
.chapter-index{background:var(--bg);padding:clamp(65px,7vw,130px) clamp(22px,7vw,130px) 80px;color:var(--ink)}.index-heading{display:flex;align-items:end;justify-content:space-between;gap:20px;margin-bottom:39px;font-size:10px;font-weight:800;letter-spacing:.11em;color:var(--muted)}.index-heading span:last-child{font-size:14px;letter-spacing:-.02em;text-transform:none;font-weight:650;color:var(--ink)}.chapter-list{border-top:1px solid var(--line)}.index-row{display:grid;grid-template-columns:103px 1fr 58px;gap:18px;align-items:center;padding:clamp(26px,3vw,46px) 10px;border-bottom:1px solid var(--line);position:relative;text-decoration:none;color:var(--ink);min-height:135px;opacity:0;transform:translateY(16px);transition:transform .65s var(--ease),opacity .65s var(--ease),padding .45s var(--ease),background-color .4s var(--ease)}.index-row.is-visible{opacity:1;transform:none}.index-row:hover{padding-left:25px;padding-right:18px;background:var(--soft)}.index-no{font-size:23px;font-weight:800;font-variant-numeric:tabular-nums;letter-spacing:-.045em}.index-slash{font-size:10px;color:var(--muted);letter-spacing:.02em}.index-row h2{font:800 clamp(22px,2.8vw,40px)/1.22 'Manrope','Segoe UI Variable',system-ui,sans-serif!important;letter-spacing:-.057em;margin:0 0 12px;text-wrap:balance}.index-row small{font-size:11px;font-weight:600;color:var(--muted)}.index-arrow{justify-self:end;display:grid;place-items:center;background:var(--paper);border:1px solid var(--line);width:48px;height:48px;border-radius:50%;font-size:22px;transition:transform .35s var(--ease)}.index-row:hover .index-arrow{transform:rotate(45deg)}.index-footnote{margin-top:31px;color:var(--muted);font-size:12px}.site-footer{padding:34px clamp(22px,7vw,130px);border-top:1px solid var(--line);display:flex;justify-content:space-between;gap:20px;font-size:10px;letter-spacing:.075em;font-weight:750;color:var(--muted)}
/* CIRCULAR ATLAS — progressive rather than infinitely zoomed constellation */
.atlas-page .atlas-main{width:100%;max-width:1550px;padding:52px clamp(22px,5vw,90px) 60px;margin:auto}.atlas-heading{display:flex;justify-content:space-between;align-items:end;gap:30px;margin-bottom:42px}.atlas-heading h1{font:800 clamp(47px,5.5vw,84px)/1.04 'Manrope','Segoe UI Variable',system-ui,sans-serif;letter-spacing:-.075em;margin:16px 0 0}.atlas-heading h1 em{font-style:normal;color:var(--muted)}.atlas-heading>p{font-size:13px;font-weight:550;line-height:1.8;color:var(--muted);max-width:310px;margin-bottom:6px}.atlas-breadcrumb{display:flex;align-items:center;gap:7px;flex-wrap:wrap;min-height:49px;padding:8px 0 13px;border-top:1px solid var(--line)}.atlas-breadcrumb button{font-size:11px;padding:6px 14px;min-height:30px;border-radius:100px;border-color:transparent;background:var(--soft);max-width:190px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.atlas-breadcrumb button[aria-current=page]{background:transparent;border-color:var(--line);color:var(--ink);cursor:default;font-weight:850}.atlas-breadcrumb button+button:before{content:'›';color:var(--muted);margin-right:13px}
.atlas-workspace{display:grid;grid-template-columns:minmax(0,1.52fr) minmax(305px,.79fr);gap:17px;align-items:stretch;min-height:615px}.atlas-stage{position:relative;min-width:0;background:var(--paper);border:1px solid var(--line);border-radius:26px;overflow:hidden;display:flex;flex-direction:column;padding:23px 26px 20px}.atlas-stage-head,.atlas-stage-foot{display:flex;align-items:center;justify-content:space-between;gap:16px;flex:none}.atlas-stage-head{font-size:9px;font-weight:850;letter-spacing:.13em;color:var(--muted)}.atlas-stage-foot{border-top:1px solid var(--line);padding-top:14px}.atlas-stage-foot span{font-size:10px;letter-spacing:.08em;font-weight:800;color:var(--muted)}.atlas-stage-foot button{border:0;border-radius:100px;min-height:32px;padding:4px 9px;font-size:11px;font-weight:800}.atlas-viewport{position:relative;min-height:475px;flex:1;isolation:isolate}.atlas-lines,.atlas-nodes{position:absolute;inset:0;width:100%;height:100%}.atlas-lines{pointer-events:none}.orbit-guide{fill:none;stroke:var(--line);stroke-width:1.5;stroke-dasharray:3 10;opacity:.8}.orbit-guide-inner{stroke-dasharray:none;opacity:.65}.orbit-connector{fill:none;stroke:var(--muted);stroke-width:1;opacity:.65;animation:line-draw .8s var(--ease) backwards;animation-delay:calc(var(--node-index)*65ms);stroke-dasharray:1400;stroke-dashoffset:0}.orbit-node{position:absolute;transform:translate(-50%,-50%);display:flex;align-items:center;justify-content:center;flex-direction:column;text-align:center;word-break:normal;overflow-wrap:break-word;line-height:1.34;z-index:3;box-shadow:none!important;border-radius:50%!important;animation:orb-appear .55s var(--ease) both;animation-delay:calc(var(--node-index)*65ms);transition:background .28s var(--ease),box-shadow .28s var(--ease),border-color .28s var(--ease),scale .28s var(--ease)}.orbit-node:hover:not(:disabled),.orbit-node.is-picked{scale:1.045;box-shadow:0 9px 24px #00000010!important;border-color:var(--muted)}.orbit-center{width:170px;height:170px;background:var(--ink);color:var(--paper);border:2px solid var(--ink);padding:20px;letter-spacing:-.045em;font-size:16px;font-weight:850;line-height:1.3;white-space:pre-line}.orbit-center:disabled{opacity:1}.orbit-center:hover:not(:disabled){background:var(--ink);color:var(--paper)}.orbit-leaf{width:144px;height:144px;background:var(--paper);color:var(--ink);border:1px solid var(--line);padding:15px}.orbit-leaf small{font-size:9px;letter-spacing:.10em;font-weight:850;color:var(--muted);margin-bottom:7px}.orbit-leaf span{font-size:12px;letter-spacing:-.035em;font-weight:800;line-height:1.42;display:-webkit-box;-webkit-box-orient:vertical;-webkit-line-clamp:5;overflow:hidden}.orbit-leaf:hover,.orbit-leaf.is-picked{background:var(--soft)!important}
.atlas-study{background:var(--surface);border-radius:26px;padding:clamp(26px,3vw,42px);position:relative;overflow:hidden;min-width:0;min-height:600px;display:flex;align-items:stretch}.atlas-study-blank{display:flex;flex-direction:column;justify-content:center;max-width:370px}.atlas-study-blank h2,.atlas-study article h2{font:800 clamp(26px,2.5vw,39px)/1.19 'Manrope','Segoe UI Variable',system-ui,sans-serif;letter-spacing:-.062em;margin:20px 0}.atlas-study-blank p{font-size:14px;line-height:1.9;color:var(--muted);font-weight:550;max-width:310px}.study-small-orbit{font-size:90px;line-height:1;opacity:.1;position:absolute;right:30px;bottom:25px}.atlas-study article{width:100%;display:flex;flex-direction:column;align-self:stretch}.atlas-study article h2{margin-bottom:26px;text-wrap:balance}.detail-content{overflow-y:auto;max-height:290px;min-height:80px;padding-right:4px}.detail-content p{font-size:13px;line-height:1.85;color:var(--ink);margin:0 0 15px;font-weight:550}.detail-example{padding:16px 0 9px;border-top:1px solid var(--line);margin-top:15px}.detail-example p{color:var(--muted);font-size:12px;line-height:1.75;margin:8px 0}.detail-open{margin-top:auto;background:var(--ink);color:var(--paper);padding:16px 21px;display:flex;justify-content:space-between;align-items:center;gap:15px;text-decoration:none;font-size:12px;font-weight:800;border-radius:100px;transition:transform .28s var(--ease)}.detail-open:hover{transform:translateY(-2px)}.detail-source{font-size:11px;line-height:2.2;padding-top:11px;color:var(--muted)}.detail-explore{border-color:var(--line);background:transparent;margin-top:10px;font-size:11px;font-weight:850}.atlas-caption{margin-top:17px;font-size:11px;line-height:1.7;color:var(--muted)}
/* READING PUBLICATION — typography, breathing room and stable navigation */
.top{height:var(--v7-header)!important;min-height:var(--v7-header)!important;background:var(--bg)!important;padding:0 clamp(18px,3.2vw,52px)!important;border-bottom:1px solid var(--line)!important;gap:20px;box-shadow:none!important;z-index:90}.top .varsha-brand{flex:0 0 auto;min-width:0;text-decoration:none}.top .varsha-brand .brand-wordmark{min-width:126px!important;gap:3px}.top .varsha-brand .brand-wordmark strong{font-size:11px!important;line-height:1.2!important;font-weight:850!important;letter-spacing:.03em!important;color:var(--ink)!important}.top .varsha-brand .brand-wordmark small{font-size:8px!important;letter-spacing:.11em!important;color:var(--muted)}
.top .v7-overall{font-size:12px!important;line-height:1.4;letter-spacing:0;color:var(--muted)!important;font-weight:650}.top .v7-overall strong{font-weight:850;color:var(--ink)!important}.top .actions{gap:7px}.top .actions .btn,.top .actions a.btn{background:transparent!important;min-height:38px!important;border:1px solid var(--line)!important;border-radius:100px!important;font-weight:800!important;font-size:10px!important;padding:9px 14px!important;line-height:1.3!important;box-shadow:none!important;color:var(--ink)!important;white-space:nowrap}.top .actions .btn:hover{background:var(--soft)!important;transform:translateY(-1px)}
.chapter-strip{top:var(--v7-header)!important;height:auto!important;background:var(--bg)!important;border-bottom:1px solid var(--line)!important;box-shadow:none!important;z-index:85}.chapter-strip a{font-size:11px!important;font-weight:750!important;padding:14px 16px!important;color:var(--muted)!important;border:0!important;border-bottom:2px solid transparent!important;white-space:nowrap}.chapter-strip a.current{background:transparent!important;border-bottom-color:var(--ink)!important;color:var(--ink)!important}
.shell{max-width:1370px!important;padding:0 clamp(20px,4vw,65px)!important;margin:auto}.hero{padding:76px 0 62px!important;border-bottom:1px solid var(--line)!important;background:transparent!important;max-width:none}.hero-grid{max-width:1000px!important}.hero .eyebrow{color:var(--muted)!important;font-size:10px!important;font-weight:850!important;letter-spacing:.16em!important}.hero h1{font:800 clamp(46px,5.5vw,82px)/1.09 'Manrope','Segoe UI Variable',system-ui,sans-serif!important;letter-spacing:-.075em!important;max-width:1000px!important;margin:20px 0 27px!important;text-wrap:balance!important;color:var(--ink)!important}.hero p{font-size:clamp(15px,1.4vw,18px)!important;line-height:1.85!important;font-weight:500!important;color:var(--muted)!important;max-width:760px!important}.hero .unit-note{font-size:11px!important;letter-spacing:-.005em!important;color:var(--muted)!important}.hero-contents-link{font-size:11px!important;font-weight:850!important;padding:13px 20px!important;border-radius:100px!important;background:var(--paper)!important;border:1px solid var(--line)!important;color:var(--ink)!important;margin-top:28px!important}
.layout{display:grid!important;grid-template-columns:235px minmax(0,1fr)!important;gap:clamp(32px,5vw,88px)!important;padding-top:65px!important;align-items:start;max-width:none!important}.sidebar{top:calc(var(--v7-header) + 75px)!important;background:transparent!important;border:0!important;box-shadow:none!important;padding:0 12px 20px 0!important;scrollbar-width:thin}.sidebar .reader-mode{display:flex!important;align-items:center;justify-content:space-between;margin:0 0 24px}.sidebar .reader-mode span{font-size:10px!important;font-weight:850;color:var(--muted)!important}.sidebar .reader-mode button{min-height:31px!important;border-radius:100px!important;padding:6px 11px!important;font-size:10px!important;font-weight:850;border:1px solid var(--line)!important}.sidebar .chapter-links{display:none!important}.sidebar .nav .nav-group>a{padding:12px 11px!important;border-radius:12px!important;line-height:1.5!important;font-weight:650!important;font-size:11px!important;border:1px solid transparent!important;color:var(--muted)!important;transition:background .28s var(--ease),color .28s var(--ease)}.sidebar .nav .nav-group>a.reader-active,.sidebar .nav .nav-group>a[aria-current=location]{background:var(--surface)!important;border-color:var(--line)!important;color:var(--ink)!important;font-weight:850!important}.sidebar .nav .nav-group>a:hover{background:var(--soft)!important;color:var(--ink)!important}
.layout main{min-width:0;width:100%;max-width:780px!important;justify-self:start!important;margin:0!important}.layout main section[id]{scroll-margin-top:calc(var(--v7-header) + 92px);padding:8px 0 60px!important;background:transparent!important}.layout main section+section{padding-top:52px!important;border-top:1px solid var(--line)!important}.sec-meta{display:flex;align-items:center;justify-content:space-between;gap:10px;flex-wrap:wrap}.sec-no{color:var(--muted)!important;font-size:10px!important;letter-spacing:.12em!important;font-weight:850!important}.sec-meta .page a{font-size:10px!important;font-weight:650!important;color:var(--muted)!important}.layout main section h2{font:800 clamp(30px,3vw,43px)/1.19 'Manrope','Segoe UI Variable',system-ui,sans-serif!important;letter-spacing:-.065em!important;color:var(--ink)!important;margin:17px 0 19px!important;max-width:780px;text-wrap:balance}.inline-listen{border:1px solid var(--line)!important;border-radius:100px!important;background:var(--paper)!important;color:var(--muted)!important;padding:9px 16px!important;font-size:10px!important;font-weight:850!important;margin:0 0 24px!important}.inline-listen:hover{background:var(--soft)!important;color:var(--ink)!important}.lesson{border-top:1px solid var(--line)!important}.block,.reader-focus .block{display:block!important;background:transparent!important;max-width:none!important;padding:30px 0 35px!important;margin:0!important;border:0!important;border-bottom:1px solid var(--line)!important;box-shadow:none!important}.block:last-child{border-bottom:0!important}.block h3{font:800 clamp(19px,2vw,25px)/1.36 'Manrope','Segoe UI Variable',system-ui,sans-serif!important;letter-spacing:-.045em!important;color:var(--ink)!important;max-width:700px;margin:0 0 18px!important}.block .content .lesson-kicker{font-size:9px!important;font-weight:850!important;letter-spacing:.12em!important;color:var(--muted)!important;margin:0 0 10px!important}.block .content .full-teaching{font:550 clamp(16px,1.25vw,17.5px)/1.94 'Manrope','Segoe UI Variable',system-ui,sans-serif!important;letter-spacing:-.017em!important;color:var(--ink)!important;margin:0 0 22px!important;max-width:740px!important;overflow-wrap:break-word}.block .content .study-example,.study-example{border:0!important;border-left:2px solid var(--line)!important;background:transparent!important;border-radius:0!important;padding:5px 0 5px 24px!important;margin:22px 0 4px!important;box-shadow:none!important}.block .content .study-example b,.study-example b{color:var(--muted)!important;font-size:9px!important;font-weight:850!important;letter-spacing:.13em!important}.block .content .study-example p,.block .content .study-example .example-text{font:500 15px/1.85 'Manrope','Segoe UI Variable',system-ui,sans-serif!important;color:var(--muted)!important;letter-spacing:-.008em!important;margin:6px 0 0!important}.narration-sentence{scroll-margin-top:145px;cursor:text}.narration-sentence.is-speaking,html[data-theme=dark] .narration-sentence.is-speaking{background:var(--selection)!important;color:var(--selection-text)!important;box-shadow:0 0 0 3px var(--selection)!important;border-radius:3px}
.definition,.simple,.key,.panel,.steps,.step,.checkpoints,.interactive-model{border-radius:15px!important;box-shadow:none!important}.premium-dialog,.search-box,.contents-dialog,.audio-dock{background:var(--paper)!important;color:var(--ink)!important;border:1px solid var(--line)!important;border-radius:22px!important;box-shadow:0 25px 70px #00000020!important}.premium-dialog button,.contents-dialog button,.audio-dock button{border-radius:100px!important;color:var(--ink)}.search-modal{background:#13120f99!important;backdrop-filter:blur(9px)}.search-close{display:block;margin:0 0 12px auto;padding:7px 14px;font-size:11px;font-weight:850}.audio-dock{z-index:170!important}.audio-dock .audio-primary{background:var(--ink)!important;color:var(--paper)!important}.audio-dock .audio-control{color:var(--ink)!important}.motion-toast{border-radius:100px!important;background:var(--ink)!important;color:var(--paper)!important}
#v9FocusExit{display:none;position:fixed;right:clamp(14px,4vw,36px);bottom:clamp(14px,4vw,26px);z-index:180;padding:14px 22px;border-radius:100px;border:1px solid var(--line);background:var(--ink);color:var(--paper);font-size:11px;font-weight:850;box-shadow:0 8px 35px #00000023}.reader-focus #v9FocusExit{display:block}.reader-focus .sidebar,.reader-focus .chapter-strip,.reader-focus .mobile-chapter-select{display:none!important}.reader-focus .layout{display:block!important;max-width:820px!important;margin:auto!important;padding-top:35px!important}.reader-focus .layout main{max-width:780px!important;margin:auto!important}.reader-focus .hero{max-width:820px!important;margin:0 auto!important;padding-top:40px!important}.reader-focus .shell{max-width:970px!important}.reader-focus .block .content .full-teaching{font-size:18px!important;line-height:1.98!important}.reader-focus .top .actions #resumeBtn,.reader-focus .top .actions #contentsOpen{display:none!important}.reader-focus .top .actions #searchBtn,.reader-focus .top .actions #listenTopBtn{display:inline-flex!important}.reader-focus main section{scroll-margin-top:110px}
body.reader-focus{scroll-behavior:auto}
/* Small-screen composition: genuinely separate circular study interaction, legible editorial lessons. */
@media(max-width:1150px){.top .actions{gap:5px}.top .actions .btn{padding:8px 12px!important}.top .actions #notesBtn,.top .actions #resumeBtn{display:none!important}.layout{gap:45px!important}.opening h1{font-size:clamp(55px,9.1vw,120px)!important}}
@media(max-width:920px){.atlas-workspace{grid-template-columns:minmax(0,1fr)}.atlas-stage{min-height:590px}.atlas-study{min-height:260px;padding:30px}.atlas-study-blank{max-width:680px}.atlas-study-blank h2{font-size:32px}.atlas-study article{display:block}.atlas-study article .detail-content{max-height:none}.atlas-study article .detail-open{margin-top:20px}.cover-orbit{right:-10%;top:13%;width:65vw}.layout{grid-template-columns:195px minmax(0,1fr)!important;gap:28px!important}.top .v7-overall{margin-right:auto}.top .actions #searchBtn{display:none!important}}
@media(max-width:700px){:root{--v7-header:83px}.homepage .home-header,.atlas-page .home-header{min-height:91px;height:auto;padding:14px 22px;display:grid;grid-template-columns:1fr auto;grid-template-rows:auto auto;row-gap:7px}.home-header .publication{font-size:10px}.home-header .v7-overall{grid-column:1/-1;grid-row:2;margin:0;font-size:11px}.home-header #homeTheme{grid-column:2;grid-row:1}.atlas-page .nav-back{grid-column:1;grid-row:2;margin:0}.atlas-page .home-header #homeTheme{grid-column:2;grid-row:1}.opening{padding:37px 22px 0}.opening-meta{font-size:9px;letter-spacing:.08em}.opening-cover{min-height:610px;padding-top:84px;padding-bottom:55px}.cover-label{font-size:9px}.opening h1{font-size:clamp(46px,11vw,75px)!important;letter-spacing:-.087em!important;line-height:1.08!important;margin:25px 0 45px}.opening-bottom{align-items:start;flex-direction:column;gap:26px}.opening-bottom p{font-size:13px}.cover-orbit{width:90vw;right:-28vw;top:16%;opacity:.11}.atlas-link{padding:26px 0 36px}.atlas-link strong{font-size:29px}.atlas-link p{font-size:11px;max-width:280px}.atlas-arrow{width:42px;height:42px;font-size:20px}.chapter-index{padding:77px 22px 55px}.index-heading{margin-bottom:24px}.index-heading span:last-child{font-size:12px}.index-row{grid-template-columns:43px minmax(0,1fr) 35px;min-height:110px;padding:22px 0;gap:12px}.index-row h2{font-size:clamp(20px,5.5vw,28px)!important;line-height:1.22!important}.index-row small{font-size:10px;line-height:1.6;display:block}.index-no{font-size:17px}.index-slash{display:none}.index-arrow{width:33px;height:33px;font-size:17px}.site-footer{padding:27px 22px;font-size:9px;flex-wrap:wrap}.atlas-page .atlas-main{padding:37px 15px 50px}.atlas-heading{display:block;margin:0 8px 30px}.atlas-heading h1{font-size:53px}.atlas-heading>p{margin:18px 0 0;font-size:12px}.atlas-breadcrumb{padding:9px 5px 16px;gap:4px}.atlas-breadcrumb button{font-size:10px;max-width:138px;padding:7px 9px}.atlas-workspace{gap:14px}.atlas-stage{padding:22px 13px 12px;min-height:570px;border-radius:22px}.atlas-viewport{min-height:470px}.atlas-stage-head{font-size:9px}.atlas-stage-foot{padding-top:11px}.atlas-stage-foot button{font-size:11px}.orbit-center{width:129px;height:129px;font-size:12px;padding:16px}.orbit-leaf{width:111px;height:111px;padding:10px}.orbit-leaf span{font-size:10px;line-height:1.35;-webkit-line-clamp:4}.orbit-leaf small{font-size:8px;margin-bottom:4px}.atlas-study{min-height:300px;padding:26px 24px;border-radius:22px}.atlas-study-blank h2{font-size:29px}.atlas-study-blank p{font-size:12px}.atlas-study article h2{font-size:28px}.detail-content p{font-size:13px}.atlas-caption{padding:0 6px}.top{height:var(--v7-header)!important;min-height:var(--v7-header)!important;flex-wrap:wrap!important;align-content:center!important;row-gap:5px!important;padding:9px 17px!important}.top .varsha-brand .brand-wordmark strong{font-size:10px!important}.top .v7-overall{margin-left:auto;font-size:10px!important}.top .actions{width:100%!important;justify-content:space-between!important;gap:5px!important;order:2!important}.top .actions .btn{font-size:10px!important;min-height:32px!important;padding:6px 11px!important}.top .actions #themeBtn,.top .actions #contentsOpen{display:inline-flex!important}.top .actions #searchBtn,.top .actions #notesBtn,.top .actions #resumeBtn,.top .actions #listenTopBtn,.top .actions>a{display:none!important}.mobile-chapter-select{display:block!important;position:sticky;top:var(--v7-header);width:100%;max-width:none;border:0!important;border-radius:0!important;border-bottom:1px solid var(--line)!important;color:var(--ink)!important;background:var(--bg)!important;min-height:46px;padding:12px 19px!important;font-size:11px!important;font-weight:800!important;z-index:80}.chapter-strip{display:none!important}.shell{padding:0 23px!important}.hero{padding:48px 0 42px!important}.hero h1{font-size:clamp(38px,10vw,56px)!important;line-height:1.14!important}.hero p{font-size:14px!important;line-height:1.85!important}.layout,.reader-focus .layout{display:block!important;padding-top:25px!important}.sidebar{display:none!important}.layout main{width:100%!important;max-width:none!important}.layout main section h2{font-size:clamp(27px,7vw,36px)!important}.layout main section[id]{padding:10px 0 40px!important;scroll-margin-top:153px}.layout main section+section{padding-top:37px!important}.block{padding:25px 0 31px!important}.block h3{font-size:21px!important}.block .content .full-teaching{font-size:16px!important;line-height:1.89!important}.block .content .study-example{padding-left:17px!important}.block .content .study-example p{font-size:14px!important}.reader-focus .shell{padding:0 23px!important}.reader-focus .hero{padding-top:37px!important}.reader-focus .layout{padding-top:25px!important}.reader-focus .block .content .full-teaching{font-size:16.5px!important}.reader-focus .top .actions #searchBtn{display:none!important}.reader-focus .top .actions #listenTopBtn{display:none!important}#v9FocusExit{bottom:17px;right:15px}body.reader-focus .mobile-tools-btn{display:inline-flex!important}body.reader-focus .mobile-chapter-select{display:none!important}}
@media(max-width:375px){.opening h1{font-size:clamp(43px,10.6vw,55px)!important}.opening-cover{min-height:560px}.orbit-leaf{width:104px;height:104px}.orbit-center{width:120px;height:120px}.atlas-stage{padding-left:8px;padding-right:8px}.atlas-viewport{min-height:450px}.top .v7-overall{font-size:9px!important}}
@keyframes cover-reveal{from{opacity:0;transform:translateY(23px);filter:blur(4px)}to{opacity:1;transform:translateY(0);filter:blur(0)}}@keyframes orb-appear{from{opacity:0;transform:translate(-50%,-50%) scale(.84)}to{opacity:1;transform:translate(-50%,-50%) scale(1)}}@keyframes line-draw{from{opacity:0;stroke-dashoffset:1400}to{opacity:.6;stroke-dashoffset:0}}
@media(prefers-reduced-motion:reduce){*,*:before,*:after{animation-duration:.001ms!important;animation-iteration-count:1!important;transition-duration:.001ms!important;scroll-behavior:auto!important}.index-row{opacity:1!important;transform:none!important}.opening h1>span{opacity:1!important}}

/* V9 local lesson bookmarks — understated control, accessible saved list */
.lesson-bookmark{margin:0 0 24px 8px!important;min-height:37px!important;padding:8px 14px!important;border:1px solid var(--line)!important;border-radius:100px!important;font-size:10px!important;font-weight:850!important;background:transparent!important;color:var(--muted)!important}.lesson-bookmark[aria-pressed="true"]{background:var(--soft)!important;color:var(--ink)!important}.bookmark-tray{border-top:1px solid var(--line);margin:24px 0;padding:17px 0}.bookmark-tray h3{font-size:16px;letter-spacing:-.035em;color:var(--ink);font-weight:850;margin:0 0 12px}.bookmark-tray>div>p{font-size:12px;color:var(--muted);line-height:1.7}.bookmark-row{display:flex;justify-content:space-between;align-items:center;gap:15px;border-bottom:1px solid var(--line);padding:9px 0}.bookmark-row a{color:var(--ink);font-size:12px;font-weight:750}.bookmark-row button{border:0;min-height:28px;padding:3px 9px;color:var(--muted);font-size:10px}.lesson-bookmark:focus-visible{outline:2px solid var(--focus)!important}