/* Understanding Health — a calm, editorial guided-reading environment.
   Scoped to .ulh-page. Source-first, usable without JavaScript. */
.ulh-page{background:#f7f2e8;color:#273a42;font-family:var(--body,system-ui,sans-serif)}
.ulh-page *{min-width:0}
.ulh-page a:focus-visible,.ulh-page button:focus-visible,.ulh-page summary:focus-visible{outline:3px solid #b37b2c;outline-offset:4px}
.ulh-page .nav{background:#fcf8f0}
.ulh-page .ulh-skip{position:absolute;left:-9999px;top:8px;z-index:999;background:#fff;color:#193743;padding:8px 15px}
.ulh-page .ulh-skip:focus{left:8px}
.ulh-page .nav__links a[aria-current=page]{color:#193b4a;text-decoration:underline;text-underline-offset:8px;text-decoration-color:#bc975d}
.ulh-page .ulh-container{width:min(calc(100% - clamp(34px,8vw,120px)),1150px);margin:0 auto}
.ulh-page .ulh-reading{max-width:755px}
.ulh-page .ulh-kicker{display:inline-flex;align-items:center;gap:11px;color:#a77d45;font-family:var(--body);font-weight:650;letter-spacing:.18em;text-transform:uppercase;font-size:.74rem;line-height:1.5}
.ulh-page .ulh-kicker:before{content:"";height:1px;width:28px;background:currentColor}
.ulh-page .ulh-serif{font-family:var(--serif,Georgia,serif);font-weight:400;letter-spacing:-.041em;line-height:1.06}
.ulh-page .ulh-muted{color:#627178}
.ulh-page .ulh-actions{display:flex;gap:12px;flex-wrap:wrap;align-items:center}
.ulh-page .ulh-button{display:inline-flex;align-items:center;justify-content:center;gap:16px;min-height:49px;border:1px solid transparent;padding:12px 21px;text-decoration:none;background:#eed4a1;color:#1e3443;font-size:.94rem;font-weight:650;transition:background .2s ease,transform .2s ease}
.ulh-page .ulh-button:hover{background:#f6dfb3;color:#1e3443;transform:translateY(-2px)}
.ulh-page .ulh-button--quiet{background:transparent;border-color:rgba(233,237,235,.43);color:#f1efea}
.ulh-page .ulh-button--quiet:hover{background:rgba(255,255,255,.1);color:#fff}
.ulh-page .ulh-button--ink{background:#183849;color:#fff}
.ulh-page .ulh-button--ink:hover{background:#275165;color:#fff}
.ulh-page .ulh-inline-link{color:#996d34;text-decoration:underline;text-underline-offset:4px}
.ulh-page .ulh-inline-link:hover{color:#153a4b}
.ulh-page .ulh-crumbs{font-size:.82rem;letter-spacing:.03em;display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.ulh-page .ulh-crumbs a{color:inherit;text-decoration:underline;text-underline-offset:4px}
.ulh-page .ulh-crumbs span[aria-hidden]{opacity:.5}
.ulh-page .ulh-hero{background:#102938;color:#f4f0e8;position:relative;overflow:hidden}
.ulh-page .ulh-hero:before{content:"";position:absolute;inset:0;background:radial-gradient(ellipse at 84% 14%,rgba(190,169,112,.2),transparent 37%),radial-gradient(ellipse at 8% 92%,rgba(103,159,151,.18),transparent 45%);pointer-events:none}
.ulh-page .ulh-hero .ulh-container{position:relative;z-index:1}
.ulh-page .ulh-hero h1{color:#fcf5e9;font-size:clamp(3.05rem,7vw,6.9rem);max-width:13ch;margin:28px 0 26px}
.ulh-page .ulh-hero .ulh-lede{font-size:clamp(1.12rem,1.65vw,1.38rem);line-height:1.7;max-width:58ch;color:#d3dfe0;margin:0}
.ulh-page .ulh-hero .ulh-crumbs{color:#d1d8d4}
.ulh-page .ulh-hero--hub{padding:clamp(75px,10vw,132px) 0 clamp(70px,9vw,120px)}
.ulh-page .ulh-hero--lesson{padding:clamp(50px,7vw,85px) 0 clamp(68px,9vw,110px)}
.ulh-page .ulh-hero--lesson h1{font-size:clamp(2.7rem,6vw,5.9rem);max-width:15ch}
.ulh-page .ulh-hero .ulh-kicker{color:#e7c88a}
.ulh-page .ulh-hero .ulh-actions{margin-top:36px}
.ulh-page .ulh-hero__ring{pointer-events:none;position:absolute;width:min(66vw,740px);aspect-ratio:1;border:1px solid rgba(242,221,176,.2);border-radius:50%;right:-12%;top:-45%;box-shadow:0 0 0 66px rgba(220,216,193,.035),0 0 0 150px rgba(220,216,193,.025);transform:rotate(-18deg)}
.ulh-page .ulh-hero__ring:after{content:"";position:absolute;width:10px;height:10px;border-radius:50%;background:#e4c48c;left:14%;top:15%;box-shadow:0 0 0 10px rgba(228,196,140,.1)}
.ulh-page .ulh-hero__mark{font-family:var(--serif,Georgia,serif);font-size:clamp(9rem,25vw,29rem);line-height:1;position:absolute;right:-2%;bottom:-25%;opacity:.055;color:#fff;pointer-events:none}
.ulh-page .ulh-hero__meta{display:flex;gap:18px 34px;flex-wrap:wrap;margin-top:32px;padding-top:24px;border-top:1px solid rgba(241,241,232,.2);color:#c5d2d1;font-size:.87rem}
.ulh-page .ulh-opening{padding:clamp(64px,9vw,118px) 0}
.ulh-page .ulh-opening__grid{display:grid;grid-template-columns:1.05fr .9fr;gap:clamp(36px,7vw,100px);align-items:start}
.ulh-page .ulh-opening h2,.ulh-page .ulh-section-title{font-size:clamp(2.1rem,4vw,3.7rem);line-height:1.13;color:#193a46;margin:18px 0 22px}
.ulh-page .ulh-opening p{font-size:1.12rem;line-height:1.82;color:#44545c}
.ulh-page .ulh-aside-note{background:#ede4d3;border-left:2px solid #b68e54;padding:29px 34px;color:#46535a}
.ulh-page .ulh-aside-note strong{display:block;font-size:.76rem;letter-spacing:.13em;text-transform:uppercase;color:#87653c;margin-bottom:12px}
.ulh-page .ulh-aside-note p{margin:0;font-size:1.04rem;line-height:1.76}
.ulh-page .ulh-journey{padding:clamp(50px,7vw,95px) 0;background:#ebe7dc;border-block:1px solid #ded8cb}
.ulh-page .ulh-journey__top{display:flex;justify-content:space-between;align-items:end;gap:30px;margin-bottom:35px}
.ulh-page .ulh-journey__top h2{margin:15px 0 0;color:#193a46;font-size:clamp(2rem,3.8vw,3.55rem)}
.ulh-page .ulh-lesson-card{display:grid;grid-template-columns:120px minmax(0,1fr) auto;align-items:center;gap:32px;border:1px solid #bfc7c3;background:#fffdf7;padding:clamp(25px,4vw,52px);color:#153343;transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease}
.ulh-page .ulh-lesson-card:hover{color:#153343;transform:translateY(-3px);box-shadow:0 17px 45px rgba(17,43,53,.08);border-color:#a88b60}
.ulh-page .ulh-lesson-card__number{font-family:var(--serif,Georgia,serif);font-size:5.5rem;line-height:1;letter-spacing:-.06em;color:#bd9870}
.ulh-page .ulh-lesson-card__tag{font-size:.73rem;letter-spacing:.14em;text-transform:uppercase;color:#846b48;margin:0 0 10px}
.ulh-page .ulh-lesson-card h3{font-family:var(--serif,Georgia,serif);font-size:clamp(1.65rem,2.8vw,2.55rem);margin:0 0 14px;color:#183b4b;letter-spacing:-.03em}
.ulh-page .ulh-lesson-card p{color:#53636a;line-height:1.7;font-size:1rem;margin:0;max-width:62ch}
.ulh-page .ulh-lesson-card__arrow{font-size:1.9rem;line-height:1;color:#936f42}
.ulh-page .ulh-path{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px;margin-top:35px}
.ulh-page .ulh-path__step{border-top:1px solid #bfc3b9;padding-top:20px}
.ulh-page .ulh-path__step span{font-size:.73rem;color:#927d59;text-transform:uppercase;letter-spacing:.12em}
.ulh-page .ulh-path__step h3{font-size:1.4rem;margin:10px 0;color:#193949}
.ulh-page .ulh-path__step p{font-size:.91rem;color:#617077;line-height:1.66}
.ulh-page .ulh-source-band{background:#f7f2e8;padding:clamp(46px,7vw,85px) 0}
.ulh-page .ulh-source-band__inner{display:flex;gap:25px;align-items:center;justify-content:space-between}
.ulh-page .ulh-source-band p{max-width:72ch;color:#52616a;line-height:1.75;margin:10px 0 0}
.ulh-page .ulh-chapter-wrap{padding:clamp(65px,8vw,110px) 0}
.ulh-page .ulh-chapter-grid{display:grid;grid-template-columns:204px minmax(0,795px);gap:clamp(36px,6vw,95px);justify-content:space-between;align-items:start}
.ulh-page .ulh-chapter-rail{position:sticky;top:98px;color:#63747b;font-size:.86rem}
.ulh-page .ulh-chapter-rail strong{display:block;text-transform:uppercase;letter-spacing:.14em;color:#a07b49;font-size:.72rem;margin-bottom:20px}
.ulh-page .ulh-chapter-rail a{display:block;border-left:1px solid #d6d2c8;padding:11px 0 11px 15px;color:#667579;line-height:1.35}
.ulh-page .ulh-chapter-rail a:hover{border-color:#a47b42;color:#173d4b}
.ulh-page .ulh-chapter-rail small{display:block;line-height:1.6;margin-top:30px}
.ulh-page .ulh-prose{font-size:clamp(1.05rem,1.23vw,1.18rem);line-height:1.85;color:#394b54}
.ulh-page .ulh-prose p{margin:0 0 1.5em}
.ulh-page .ulh-prose h2{font-size:clamp(2.1rem,3.7vw,3.45rem);color:#183948;letter-spacing:-.038em;line-height:1.14;margin:8px 0 28px}
.ulh-page .ulh-prose h3{font-size:clamp(1.5rem,2.4vw,2.05rem);color:#1d4550;letter-spacing:-.028em;margin:30px 0 14px}
.ulh-page .ulh-prose .ulh-lead{font-family:var(--serif,Georgia,serif);font-size:clamp(1.55rem,2.4vw,2.2rem);line-height:1.48;color:#203f49;letter-spacing:-.018em}
.ulh-page .ulh-prose .ulh-small{font-size:.88rem;line-height:1.7;color:#6d787c}
.ulh-page .ulh-forest-pair{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:15px;margin:40px 0 38px}
.ulh-page .ulh-forest{margin:0;border:1px solid #c5cabe;background:#f4f1e7;overflow:hidden}
.ulh-page .ulh-forest--two{background:#e8eddf}
.ulh-page .ulh-forest svg{width:100%;height:auto;display:block}
.ulh-page .ulh-forest figcaption{padding:20px 23px 24px;min-height:150px}
.ulh-page .ulh-forest strong{font-family:var(--serif,Georgia,serif);font-size:1.45rem;letter-spacing:-.015em;line-height:1.24;display:block;color:#1e4147;margin-bottom:9px}
.ulh-page .ulh-forest span{font-size:.89rem;color:#61716c;line-height:1.62;display:block}
.ulh-page .ulh-margin-note{padding:22px 28px;border-left:2px solid #b18c55;background:#efe6d7;font-size:1rem;line-height:1.77;margin:32px 0;color:#586466}
.ulh-page .ulh-math-panel{margin:clamp(44px,6vw,75px) 0;background:#112b39;color:#e5f0ea;padding:clamp(25px,4vw,48px);border:1px solid #526a70;position:relative;overflow:hidden}
.ulh-page .ulh-math-panel:before{content:"";position:absolute;inset:0;background:radial-gradient(ellipse at top right,rgba(152,180,159,.11),transparent 55%),repeating-linear-gradient(0deg,transparent 0 34px,rgba(236,237,207,.025) 34px 35px);pointer-events:none}
.ulh-page .ulh-math-panel>*{position:relative}
.ulh-page .ulh-math-panel .ulh-kicker{color:#e2c48a}
.ulh-page .ulh-math-panel h3{font-family:var(--serif,Georgia,serif);color:#f1ede2;font-size:1.9rem;margin:15px 0 14px}
.ulh-page .ulh-math-scroll{overflow-x:auto;padding:18px 0 21px;scrollbar-color:#b7ae9e #1b3e4a}
.ulh-page .ulh-equation{font-size:clamp(.99rem,1.42vw,1.35rem);color:#f1eee5;white-space:nowrap;font-family:Georgia,serif;width:max-content;max-width:none}
.ulh-page .ulh-math-panel p{font-size:.9rem;color:#bfd0d3;line-height:1.75;margin:0}
.ulh-page .ulh-term-list{margin:26px 0 42px;display:grid;border-top:1px solid #cbd0c7}
.ulh-page .ulh-term-list>div{display:grid;grid-template-columns:minmax(150px,220px) minmax(0,1fr);gap:15px;border-bottom:1px solid #cbd0c7;padding:16px 0}
.ulh-page .ulh-term-list dt{font-family:Georgia,serif;color:#245062;font-size:1.06rem}
.ulh-page .ulh-term-list dd{margin:0;color:#55656b;font-size:.99rem;line-height:1.65}
.ulh-page .ulh-term-list code{background:#ebe4d6;padding:2px 6px}
.ulh-page .ulh-example{background:#e7ece7;border-block:1px solid #bfcfc8;padding:clamp(64px,9vw,108px) 0}
.ulh-page .ulh-example__header{max-width:790px;margin-bottom:35px}
.ulh-page .ulh-example__header h2{font-size:clamp(2.2rem,4vw,3.8rem);color:#163e49;margin:17px 0}
.ulh-page .ulh-example__header p{font-size:1.12rem;color:#526366;line-height:1.8;margin:0}
.ulh-page .ulh-switch{border:0;padding:0;margin:36px 0 22px}
.ulh-page .ulh-switch legend{font-size:.78rem;color:#455d62;text-transform:uppercase;font-weight:700;letter-spacing:.11em;margin-bottom:11px}
.ulh-page .ulh-switch__buttons{display:inline-flex;flex-wrap:wrap;gap:7px}
.ulh-page .ulh-switch button{cursor:pointer;padding:10px 17px;border:1px solid #a0b4ae;background:#f3f5ee;color:#294b52;font:600 .9rem var(--body)}
.ulh-page .ulh-switch button[aria-pressed=true]{background:#193c48;color:#fff;border-color:#193c48}
.ulh-page .ulh-switch button:hover{border-color:#9a7847}
.ulh-page .ulh-horizon-grid{display:grid;grid-template-columns:1fr 1fr;gap:15px;margin:0 0 20px}
.ulh-page .ulh-horizon-card{background:#fafbf6;border:1px solid #b6c9c2;padding:clamp(23px,3.5vw,38px);min-height:290px}
.ulh-page .ulh-horizon-card__header{display:flex;gap:16px;align-items:center;justify-content:space-between;margin-bottom:26px;font-size:.82rem;color:#55706b}
.ulh-page .ulh-horizon-card__duration{display:block;color:#1b3e49;font-family:var(--serif,Georgia,serif);font-size:2rem;line-height:1.2;margin-bottom:17px}
.ulh-page .ulh-horizon-card__set{display:block;font-family:Georgia,serif;font-size:clamp(1.13rem,2vw,1.7rem);line-height:1.42;color:#254950;margin:12px 0 17px}
.ulh-page .ulh-horizon-card p{font-size:.95rem;color:#556b6a;line-height:1.67}
.ulh-page .ulh-result{display:inline-block;font-size:.74rem;font-weight:750;letter-spacing:.075em;text-transform:uppercase;border:1px solid #b1bcb4;padding:9px 11px;color:#59645d;background:#f3eee1}
.ulh-page .ulh-result[data-state=pass]{background:#dfeee5;color:#2c6049;border-color:#96c3a6}
.ulh-page .ulh-result[data-state=fail]{background:#f4e8d8;color:#835936;border-color:#d8bea0}
.ulh-page .ulh-example__note{font-size:.9rem;color:#596d6e;max-width:88ch;line-height:1.7}
.ulh-page .ulh-boundary{padding:clamp(70px,9vw,115px) 0}
.ulh-page .ulh-boundary__card{max-width:930px;border-left:3px solid #bb955d;padding:20px 0 20px clamp(23px,3vw,50px)}
.ulh-page .ulh-boundary__card h2{font-size:clamp(2rem,3.8vw,3.4rem);color:#1b4150;margin:12px 0 24px}
.ulh-page .ulh-boundary__card p{font-size:1.14rem;line-height:1.85;max-width:72ch;color:#485e65;margin-bottom:15px}
.ulh-page .ulh-takeaway{background:#153343;color:#f5efe3;padding:clamp(68px,8vw,110px) 0}
.ulh-page .ulh-takeaway h2{color:#f5efe3;font-size:clamp(2.5rem,4.8vw,4.45rem);max-width:19ch;margin:18px 0 24px}
.ulh-page .ulh-takeaway p{color:#d4e0de;line-height:1.8;font-size:1.12rem;max-width:72ch}
.ulh-page .ulh-takeaway .ulh-kicker{color:#e3bc7e}
.ulh-page .ulh-takeaway__actions{margin-top:32px;display:flex;flex-wrap:wrap;gap:13px}
.ulh-page .ulh-fineprint{font-size:.85rem;color:#687679;line-height:1.75;padding:27px 0 44px}
.ulh-page .ulh-fineprint a{color:#89622a;text-decoration:underline}
@media(max-width:930px){
 .ulh-page .ulh-opening__grid{grid-template-columns:1fr}
 .ulh-page .ulh-opening__grid .ulh-aside-note{max-width:680px}
 .ulh-page .ulh-chapter-grid{grid-template-columns:1fr;gap:40px}
 .ulh-page .ulh-chapter-rail{position:static;display:flex;flex-wrap:wrap;gap:10px 18px;align-items:center}
 .ulh-page .ulh-chapter-rail strong{margin:0}
 .ulh-page .ulh-chapter-rail a{border:0;border-bottom:1px solid #c8ccc2;padding:5px}
 .ulh-page .ulh-chapter-rail small{display:none}
}
@media(max-width:720px){
 .ulh-page .ulh-lesson-card{grid-template-columns:66px 1fr;gap:18px}
 .ulh-page .ulh-lesson-card__number{font-size:3.5rem}
 .ulh-page .ulh-lesson-card__arrow{grid-column:2;justify-self:end}
 .ulh-page .ulh-path{grid-template-columns:1fr}
 .ulh-page .ulh-forest-pair,.ulh-page .ulh-horizon-grid{grid-template-columns:1fr}
 .ulh-page .ulh-term-list>div{grid-template-columns:minmax(100px,.7fr) 1.3fr}
 .ulh-page .ulh-source-band__inner{display:block}
 .ulh-page .ulh-source-band .ulh-button{margin-top:21px}
 .ulh-page .ulh-hero__ring{right:-70%;top:-10%;opacity:.6}
}
@media(max-width:450px){
 .ulh-page .ulh-container{width:calc(100% - 36px)}
 .ulh-page .ulh-chapter-rail{gap:6px 11px}
 .ulh-page .ulh-lesson-card{padding:20px}
 .ulh-page .ulh-term-list>div{display:block}
 .ulh-page .ulh-term-list dd{margin-top:5px}
 .ulh-page .ulh-math-panel{padding:21px}
 .ulh-page .ulh-hero h1{font-size:2.85rem}
}
@media(prefers-reduced-motion:reduce){
 .ulh-page .ulh-button,.ulh-page .ulh-lesson-card{transition:none}
 .ulh-page .ulh-button:hover,.ulh-page .ulh-lesson-card:hover{transform:none}
}

/* Sitewide invitation to the reading room. Kept separate from the article theme. */
.ulh-home-teaser{padding:clamp(60px,8vw,108px) 0;background:#e2e9e2;border-block:1px solid rgba(33,65,68,.18);color:#203c47}
.ulh-home-teaser__wrap{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(280px,.8fr);gap:clamp(28px,6vw,85px);align-items:center}
.ulh-home-teaser .ulh-home-teaser__kicker{display:block;font-size:.76rem;letter-spacing:.15em;text-transform:uppercase;font-weight:650;color:#8a6b45;margin:0 0 14px}
.ulh-home-teaser h2{font-family:var(--serif,Georgia,serif);font-size:clamp(2.3rem,4.8vw,4.55rem);line-height:1.08;letter-spacing:-.04em;color:#163d49;max-width:17ch;margin:0 0 21px}
.ulh-home-teaser__copy{color:#465d63;font-size:clamp(1rem,1.35vw,1.18rem);line-height:1.8;max-width:66ch}
.ulh-home-teaser__copy p{margin-bottom:22px}
.ulh-home-teaser__button{display:inline-flex;align-items:center;gap:19px;background:#173d4a;color:#fff;padding:15px 23px;font-size:.94rem;font-weight:600;text-decoration:none}
.ulh-home-teaser__button:hover{color:#fff;background:#2b5965}
.ulh-home-teaser__paper{background:#f8f4e9;border:1px solid #bacac1;box-shadow:13px 13px 0 rgba(36,74,68,.08);padding:clamp(27px,4vw,48px)}
.ulh-home-teaser__paper small{display:block;text-transform:uppercase;letter-spacing:.15em;color:#997c58;font-size:.72rem}
.ulh-home-teaser__paper strong{font-family:var(--serif,Georgia,serif);display:block;color:#204450;font-weight:400;font-size:clamp(1.8rem,2.5vw,2.65rem);letter-spacing:-.035em;line-height:1.23;margin:27px 0 20px}
.ulh-home-teaser__paper p{font-size:.96rem;color:#5d716e;line-height:1.68}
.ulh-home-teaser__paper span{border-top:1px solid #c5d2ca;padding-top:20px;margin-top:25px;display:block;font-size:.81rem;color:#8c6d42}
@media(max-width:850px){.ulh-home-teaser__wrap{grid-template-columns:1fr}.ulh-home-teaser__paper{max-width:630px}}


/* Subsequent chapters: diagrammatic pathways, logic table, and semantic compression. */
.ulh-page .ulh-lesson-card+.ulh-lesson-card{margin-top:17px}
.ulh-page .ulh-chapter-section{scroll-margin-top:104px}
.ulh-page .ulh-chapter-section+.ulh-chapter-section{margin-top:67px;padding-top:16px;border-top:1px solid #d6d3c9}
.ulh-page .ulh-pathways{background:#e9eee9;border:1px solid #c6d3cc;padding:clamp(22px,3.8vw,37px);margin:34px 0 21px}
.ulh-page .ulh-pathways__origin{display:flex;align-items:center;flex-wrap:wrap;gap:9px 14px;background:#183d47;color:#f3efdf;padding:19px 23px;font-size:.94rem}
.ulh-page .ulh-pathways__origin strong{font-weight:700;letter-spacing:.04em}
.ulh-page .ulh-pathways__origin small{font-size:.82rem;color:#c4d5d0;margin-left:auto}
.ulh-page .ulh-pathways__dot{width:12px;height:12px;border-radius:50%;background:#deb572;box-shadow:0 0 0 5px rgba(220,187,117,.15)}
.ulh-page .ulh-pathways__branch{width:1px;height:29px;background:#abbeb7;margin-left:36px}
.ulh-page .ulh-pathways__grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:13px}
.ulh-page .ulh-pathways__item{background:#fcfaf5;border:1px solid #bfd0c5;display:grid;grid-template-columns:28px minmax(0,1fr);column-gap:14px;padding:22px 20px;align-items:start}
.ulh-page .ulh-pathways__item--loss{border-color:#d3c7ad;background:#f6f0e5}
.ulh-page .ulh-pathways__glyph{color:#648b7b;font-size:1.5rem;line-height:1.1}
.ulh-page .ulh-pathways__item--loss .ulh-pathways__glyph{color:#ac825b}
.ulh-page .ulh-pathways__item small{display:block;font-size:.71rem;letter-spacing:.07em;color:#75887d;margin-bottom:11px}
.ulh-page .ulh-pathways__item strong{display:block;font-family:var(--serif,Georgia,serif);font-weight:400;font-size:clamp(1.14rem,2vw,1.48rem);line-height:1.27;color:#254e56;margin-bottom:9px}
.ulh-page .ulh-pathways__item p{font-size:.87rem;line-height:1.66;color:#61736a;margin:0}
.ulh-page .ulh-pathways__tag{grid-column:2;justify-self:start;font-size:.67rem;font-weight:750;letter-spacing:.12em;text-transform:uppercase;border-top:1px solid #c4d2c8;padding-top:10px;margin-top:17px;color:#537967}
.ulh-page .ulh-pathways__item--loss .ulh-pathways__tag{color:#996643;border-color:#d4c5ac}
.ulh-page .ulh-status-table-wrap{overflow-x:auto;margin:32px 0 23px;border:1px solid #ced2c7;background:#fcfaf5}
.ulh-page .ulh-status-table{width:100%;border-collapse:collapse;font-family:var(--body,system-ui,sans-serif);font-size:.92rem;line-height:1.52;min-width:545px}
.ulh-page .ulh-status-table caption{text-align:left;font-size:.79rem;font-weight:650;letter-spacing:.11em;text-transform:uppercase;color:#87633e;padding:18px 20px 12px}
.ulh-page .ulh-status-table th,.ulh-page .ulh-status-table td{text-align:left;border-top:1px solid #e0e0d6;padding:15px 14px;vertical-align:top}
.ulh-page .ulh-status-table thead th{background:#ede9dc;color:#214452;font-size:.73rem;text-transform:uppercase;letter-spacing:.09em}
.ulh-page .ulh-status-table tbody th{font-weight:550;color:#314e54;width:44%}
.ulh-page .ulh-status-table td{color:#526d6a}
.ulh-page .ulh-status-table .ulh-yes{color:#2c6550;font-weight:700}
.ulh-page .ulh-status-table .ulh-no{color:#9c623f;font-weight:700}
.ulh-page .ulh-compression{display:grid;grid-template-columns:minmax(0,1fr) 105px minmax(0,1fr);align-items:stretch;gap:5px;border:1px solid #d3d5c8;background:#f5f2e8;padding:clamp(20px,3vw,32px);margin:33px 0 20px;font-family:var(--body,system-ui,sans-serif)}
.ulh-page .ulh-compression__source,.ulh-page .ulh-compression__target{padding:22px 16px;background:#fffaf1;border:1px solid #d0d4ca}
.ulh-page .ulh-compression__eyebrow{font-size:.7rem;text-transform:uppercase;letter-spacing:.12em;color:#8f764a;display:block;margin:0 0 17px}
.ulh-page .ulh-compression__chips{display:flex;flex-wrap:wrap;gap:6px}
.ulh-page .ulh-compression__chips span{border:1px solid #c6d5ce;background:#eaf0ea;padding:8px 12px;font:1.05rem Georgia,serif;color:#28505a}
.ulh-page .ulh-compression__source small,.ulh-page .ulh-compression__target small{display:block;margin-top:16px;font-size:.81rem;color:#718079;line-height:1.5}
.ulh-page .ulh-compression__target strong{display:block;font-family:Georgia,serif;font-weight:400;color:#28505b;font-size:clamp(1.05rem,2vw,1.5rem);line-height:1.5}
.ulh-page .ulh-compression__bridge{display:flex;flex-direction:column;justify-content:center;align-items:center;gap:7px;color:#6b8a7d;font-size:.73rem;text-transform:uppercase;letter-spacing:.05em;text-align:center}
.ulh-page .ulh-compression__bridge b{font-size:2rem;font-weight:400;line-height:1;color:#a78952}
@media(max-width:680px){
 .ulh-page .ulh-pathways__grid{grid-template-columns:1fr}
 .ulh-page .ulh-compression{grid-template-columns:1fr}
 .ulh-page .ulh-compression__bridge{flex-direction:row;gap:14px;padding:14px 0}
 .ulh-page .ulh-compression__bridge b{transform:rotate(90deg)}
 .ulh-page .ulh-pathways__origin small{margin-left:0}
}


/* Lesson 3: comparing capacity sets and their requirement-visible quotient. */
.ulh-page .ulh-capacity-forests .ulh-forest figcaption{min-height:192px}
.ulh-page .ulh-capacity-forests .ulh-forest strong{margin-bottom:3px}
.ulh-page .ulh-capacity-set{display:block;font:400 clamp(1.5rem,2.3vw,2.15rem)/1.2 Georgia,serif;color:#254f55;margin:13px 0 10px}
.ulh-page .ulh-requirements-table{min-width:520px}
.ulh-page .ulh-quotient-section{padding:clamp(65px,8vw,115px) 0;background:#e6ece6;border-block:1px solid #c8d5cc}
.ulh-page .ulh-quotient-section .ulh-kicker{color:#886638}
.ulh-page .ulh-quotient-section h2{font:400 clamp(2.2rem,4.5vw,4.2rem)/1.12 var(--serif,Georgia,serif);color:#183e49;letter-spacing:-.045em;margin:15px 0 20px}
.ulh-page .ulh-quotient-intro{font-size:clamp(1rem,1.5vw,1.18rem);color:#4c6664;line-height:1.75;max-width:72ch;margin-bottom:31px}
.ulh-page .ulh-capacity-gallery{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px;margin:0 0 38px}
.ulh-page .ulh-capacity-atom{padding:24px 19px;background:#faf8f1;border:1px solid #c3cfc4;min-height:160px;display:flex;flex-direction:column}
.ulh-page .ulh-capacity-atom span{font-size:.7rem;text-transform:uppercase;letter-spacing:.13em;color:#836d4f;font-weight:650}
.ulh-page .ulh-capacity-atom strong{font:400 clamp(1.4rem,2.3vw,2.1rem)/1.3 Georgia,serif;color:#1b5058;margin:15px 0 14px}
.ulh-page .ulh-capacity-atom small{font-size:.85rem;line-height:1.55;color:#677a70;margin-top:auto}
.ulh-page .ulh-quotient-controls{margin:0 0 19px;padding:0;border:0}
.ulh-page .ulh-quotient-controls legend{font-size:.79rem;color:#385b5e;letter-spacing:.11em;text-transform:uppercase;font-weight:750;margin-bottom:13px}
.ulh-page .ulh-quotient-controls .ulh-switch__buttons{display:flex;flex-wrap:wrap;gap:10px}
.ulh-page .ulh-quotient-controls button{border:1px solid #a4b9af;background:#f8faf3;color:#27535a;padding:11px 17px;font:600 .91rem var(--body,system-ui,sans-serif);cursor:pointer;min-height:43px}
.ulh-page .ulh-quotient-controls button[aria-pressed="true"]{background:#1b424c;border-color:#1b424c;color:#fff}
.ulh-page .ulh-quotient-controls button:focus-visible{outline:3px solid #ba9254;outline-offset:2px}
.ulh-page [data-ulh-quotient-view][hidden]{display:none!important}
.ulh-page .ulh-quotient-group-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:13px}
.ulh-page .ulh-quotient-group-grid--four{grid-template-columns:repeat(4,minmax(0,1fr))}
.ulh-page .ulh-quotient-group{background:#fffdf8;border:1px solid #aebeb6;padding:clamp(20px,2.9vw,33px);display:flex;flex-direction:column;min-height:220px}
.ulh-page .ulh-quotient-group:first-child{border-top:3px solid #749d87}
.ulh-page .ulh-quotient-group__label{font-size:.75rem;font-weight:750;letter-spacing:.12em;text-transform:uppercase;color:#96754c}
.ulh-page .ulh-quotient-group strong{font:400 clamp(1.17rem,2.1vw,1.75rem)/1.3 Georgia,serif;color:#254951;margin:15px 0 15px}
.ulh-page .ulh-quotient-group p{font-size:.94rem;line-height:1.65;color:#62736a;margin:0}
.ulh-page .ulh-quotient-group__tag{margin-top:auto;padding-top:15px;font-size:.8rem;line-height:1.5;color:#43705b;font-weight:650}
.ulh-page .ulh-quotient-explanation{border-left:2px solid #a78c5f;margin:30px 0 14px;padding:5px 0 5px 24px;color:#32565b;font-size:1.06rem;line-height:1.75;max-width:75ch}
.ulh-page .ulh-quotient-footnote{font-size:.88rem;line-height:1.65;color:#66746d;max-width:90ch;margin-top:23px}
@media(max-width:970px){
.ulh-page .ulh-quotient-group-grid--four{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media(max-width:760px){
.ulh-page .ulh-capacity-gallery{grid-template-columns:repeat(2,minmax(0,1fr))}
.ulh-page .ulh-quotient-group-grid{grid-template-columns:1fr}
.ulh-page .ulh-quotient-group-grid--four{grid-template-columns:repeat(2,minmax(0,1fr))}
.ulh-page .ulh-quotient-group{min-height:unset}
}
@media(max-width:480px){
.ulh-page .ulh-capacity-gallery{gap:8px}
.ulh-page .ulh-capacity-atom{min-height:156px;padding:16px 13px}
.ulh-page .ulh-quotient-group-grid--four{grid-template-columns:1fr}
.ulh-page .ulh-quotient-controls button{flex:1 1 100%;text-align:left}
}


/* Lesson 4 — informational boundaries and Paper-I closing architecture. */
.ulh-page .ulh-robustness-pair{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;margin:35px 0 21px}
.ulh-page .ulh-robustness-forest{border:1px solid #b8c9be;background:#f2f5ec;padding:clamp(20px,2.5vw,29px)}
.ulh-page .ulh-robustness-forest--loss{background:#f5f0e7;border-color:#d4c2ac}
.ulh-page .ulh-robustness-forest__head>span{font-size:.73rem;text-transform:uppercase;letter-spacing:.15em;color:#8b7650;font-weight:750}
.ulh-page .ulh-robustness-forest__head>strong{display:block;font:400 clamp(1.32rem,2vw,1.8rem)/1.24 var(--serif,Georgia,serif);color:#254e52;margin:10px 0 26px}
.ulh-page .ulh-response-tracks{display:grid;gap:15px}
.ulh-page .ulh-response-track{display:flex;align-items:center;gap:9px;min-width:0}
.ulh-page .ulh-response-track__start{width:30px;height:30px;display:grid;place-items:center;border-radius:50%;flex:none;background:#204c53;color:white;font-size:.8rem;font-weight:650}
.ulh-page .ulh-response-track__line{height:1px;flex:1;min-width:8px;background:#9cb4a8;position:relative}
.ulh-page .ulh-response-track__line:after{position:absolute;right:-1px;top:-4px;content:"";height:9px;width:9px;transform:rotate(45deg);border-right:1px solid #77988a;border-top:1px solid #77988a}
.ulh-page .ulh-response-track__outcome{font-size:.84rem;white-space:nowrap;padding:8px 10px;border:1px solid #a2c1a9;background:#e2efe2;color:#386349;font-weight:700}
.ulh-page .ulh-response-track__outcome--loss{background:#f5e5db;border-color:#d5b4a3;color:#915640}
.ulh-page .ulh-robustness-forest>p{font-size:.88rem;margin:25px 0 0;color:#60706b;line-height:1.6}
.ulh-page .ulh-paper4-comparison{min-width:610px}
.ulh-page .ulh-invariance-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;margin:31px 0}
.ulh-page .ulh-invariance-grid>div{border-top:3px solid #9ebfb3;background:#eef0e8;padding:23px 19px 27px}
.ulh-page .ulh-invariance-grid span{font-size:.72rem;font-weight:750;letter-spacing:.1em;color:#a08255}
.ulh-page .ulh-invariance-grid strong{display:block;font:400 clamp(1.15rem,1.7vw,1.4rem)/1.25 var(--serif,Georgia,serif);margin:15px 0;color:#27515c}
.ulh-page .ulh-invariance-grid p{font-size:.88rem;line-height:1.65;color:#62726c;margin:0}
.ulh-page .ulh-paper1-recap{padding:clamp(70px,9vw,115px) 0;background:#e9ede8;border-block:1px solid #c5d1c8}
.ulh-page .ulh-paper1-recap h2,.ulh-page .ulh-architecture h2{font:400 clamp(2.2rem,4.2vw,4.1rem)/1.13 var(--serif,Georgia,serif);color:#21424e;letter-spacing:-.04em;margin:17px 0 25px;max-width:18ch}
.ulh-page .ulh-paper1-recap>.ulh-container>p:not(.ulh-kicker),.ulh-page .ulh-architecture>.ulh-container>p:not(.ulh-kicker){font-size:1.08rem;line-height:1.8;color:#566b69;max-width:78ch}
.ulh-page .ulh-scope-pair{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin:36px 0}
.ulh-page .ulh-scope-col{border:1px solid #b7cabc;background:#f7faf2;padding:clamp(25px,3.5vw,42px)}
.ulh-page .ulh-scope-col--future{border-color:#cfc9b9;background:#f5f0e5}
.ulh-page .ulh-scope-col h3{font:400 clamp(1.55rem,2.4vw,2rem)/1.3 var(--serif,Georgia,serif);color:#284950;margin:0 0 23px}
.ulh-page .ulh-scope-col ul{margin:0;padding-left:22px;display:grid;gap:14px}
.ulh-page .ulh-scope-col li{color:#4f6665;font-size:.94rem;line-height:1.6}
.ulh-page .ulh-paper1-recap__closing{border-left:2px solid #a98b59;padding-left:23px;margin-top:30px}
.ulh-page .ulh-architecture{background:#f7f2e8;padding:clamp(70px,9vw,115px) 0}
.ulh-page .ulh-architecture__steps{list-style:none;counter-reset:step;max-width:920px;display:grid;gap:0;margin:38px 0 0;padding:0}
.ulh-page .ulh-architecture__steps>li{display:grid;grid-template-columns:65px minmax(0,1fr);gap:24px;align-items:start;border-top:1px solid #cdcfc2;padding:23px 0}
.ulh-page .ulh-architecture__steps>li:last-child{border-bottom:1px solid #cdcfc2}
.ulh-page .ulh-architecture__steps>li>span{font:400 1.8rem Georgia,serif;color:#a07d4b}
.ulh-page .ulh-architecture__steps strong{font:400 clamp(1.15rem,2vw,1.62rem)/1.25 var(--serif,Georgia,serif);color:#254750}
.ulh-page .ulh-architecture__steps p{color:#697574;font-size:.96rem;line-height:1.7;margin:7px 0 0}
.ulh-page .ulh-architecture__steps-final{background:#e8efeb;padding-inline:22px!important;border-top:2px solid #689b8a!important}
@media(max-width:810px){
 .ulh-page .ulh-robustness-pair{grid-template-columns:1fr}
 .ulh-page .ulh-scope-pair{grid-template-columns:1fr}
 .ulh-page .ulh-invariance-grid{grid-template-columns:1fr}
}
@media(max-width:480px){
 .ulh-page .ulh-robustness-forest{padding:20px 15px}
 .ulh-page .ulh-response-track__outcome{font-size:.76rem}
 .ulh-page .ulh-architecture__steps>li{grid-template-columns:40px minmax(0,1fr);gap:12px}
 .ulh-page .ulh-architecture__steps>li>span{font-size:1.35rem}
}