*{box-sizing:border-box}body{margin:0;background:#edf1f5;color:#10233d;font:16px/1.5 Arial,sans-serif}a{color:inherit;text-decoration:none}.wrap{width:min(100% - 36px,1060px);margin:auto}header{background:#091c35;border-bottom:1px solid #b49b62}header .wrap{display:flex;align-items:center;justify-content:space-between;min-height:84px;gap:16px}.brand img{display:block;width:190px;max-width:100%;height:auto}.langs{display:flex;gap:10px}.langs a{color:#dfe6ef;font-size:13px;padding:8px 3px}.langs a[aria-current]{color:#f4d386;border-bottom:2px solid #d9b35e}.intro{padding:32px 0 24px}h1{margin:0 0 10px;font-size:clamp(29px,5vw,43px);line-height:1.15;letter-spacing:-1px}.intro p{margin:0;color:#58697f;font-size:16px;max-width:680px}.grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}.lessonCard{overflow:hidden;border:1px solid #bfa36c;border-radius:18px;background:#fffdf8;box-shadow:0 8px 24px #10274210}.cardArt{height:114px;position:relative;background:#122b48;display:block}.cardArt img{width:100%;height:100%;object-fit:cover;display:block}.cardArt:after{content:'';position:absolute;inset:0;background:linear-gradient(0deg,#091b34bb,transparent 80%)}.badge{position:absolute;bottom:12px;left:16px;z-index:1;color:#ffe4a0;font-size:10px;letter-spacing:1px;font-weight:800;text-transform:uppercase}.cardBody{padding:17px}.cardBody h2{font-size:20px;line-height:1.25;margin:0 0 18px;min-height:50px;letter-spacing:-.3px}.read{display:flex;align-items:center;justify-content:space-between;gap:8px;background:#102945;color:#fff;border:1px solid #213b5a;padding:10px 13px;font-size:13px;font-weight:700;border-radius:10px}.read span:last-child{color:#e8c87f;font-size:18px}.download{display:inline-block;color:#71551c;font-size:12px;margin-top:12px;text-decoration:underline;text-underline-offset:3px}footer{margin-top:28px;padding:22px 0 32px;display:flex;justify-content:space-between;gap:16px;border-top:1px solid #cdd4dd;font-size:13px;color:#566477}a:focus-visible{outline:3px solid #a98129;outline-offset:4px}.readerBar{position:sticky;top:0;z-index:10;background:#091c35;color:white;border-bottom:1px solid #c0a25c;padding:12px 0}.readerBar .wrap{display:flex;align-items:center;justify-content:space-between;gap:12px}.backLink{font-size:14px;font-weight:700}.saveLink{background:#e7c26b;color:#10223b;border-radius:9px;padding:10px 15px;font-size:13px;font-weight:700}.readerTitle{font-size:23px;line-height:1.25;margin:24px 0 8px}.readerNote{color:#627086;font-size:13px;margin:0 0 20px}.page{margin:0 0 22px}.page img{width:100%;height:auto;display:block;background:white;box-shadow:0 3px 15px #10223b20}.page figcaption{font-size:12px;text-align:center;color:#66768b;margin-top:8px}.readerPages{max-width:850px;margin:auto}@media(max-width:650px){header .wrap{min-height:74px}.brand img{width:160px}.intro{padding:25px 0 20px}.intro p{font-size:14px}.grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:11px}.cardArt{height:88px}.cardBody{padding:13px}.cardBody h2{font-size:17px;min-height:64px;margin-bottom:13px}.badge{left:12px;font-size:9px}.read{font-size:12px;padding:9px}.download{font-size:11px}.readerBar .wrap{width:calc(100% - 24px)}.readerPages{width:100%}.readerTitle{font-size:21px}footer{font-size:12px;flex-wrap:wrap}}@media(prefers-color-scheme:dark){body{background:#091726;color:#e9edf3}.intro p,.readerNote{color:#b7c4d5}.lessonCard{background:#142940;border-color:#756746}.download{color:#e9c97f}footer{color:#c0cbd9;border-color:#35465d}}
/* Premium document library: illustrations are CSS-only, no cropped photography. */
.lessonCard{display:flex;flex-direction:column;background:#fffefa;border-color:#d8bc83;box-shadow:0 9px 25px rgba(10,34,66,.07);transition:transform .2s,box-shadow .2s}
.lessonCard:hover{transform:translateY(-3px);box-shadow:0 15px 32px rgba(10,34,66,.12)}
.cardArt{height:98px;overflow:hidden;background:linear-gradient(120deg,#fffefa 5%,#edf4fc 75%,#dceaf9);border-bottom:1px solid #e8d6ae}
.cardArt:after{display:none}
.topicIcon{position:absolute;left:19px;top:12px;display:grid;place-items:center;width:53px;height:53px;border:1px solid #d8bc83;border-radius:15px;background:#fff;color:#102e55;font:700 32px/1 Georgia,serif;box-shadow:0 4px 12px #12385b13}
.artDecor{position:absolute;width:200px;height:100px;right:-36px;top:-30px;border-radius:50%;border:20px solid #bed7ef60;transform:rotate(-22deg)}
.artDecor:after{content:'';position:absolute;width:190px;height:70px;left:-115px;top:57px;border-top:2px solid #e1bb73a8;border-radius:50%}
.badge{bottom:10px;left:19px;color:#9a6a22;font-size:10px;letter-spacing:1.2px}
.cardBody{display:flex;flex:1;flex-direction:column;padding:18px 17px 16px}
.cardBody h2{min-height:0;margin:0 0 6px;font-size:20px;letter-spacing:-.35px}
.cardDescription{color:#5d6c80;font-size:13px;line-height:1.48;margin:0 0 17px;min-height:39px}
.read{margin-top:auto;padding:12px 14px;background:#102e51;border-color:#102e51}
.download{font-size:12px;margin-top:12px}
@media(max-width:650px){.cardArt{height:88px}.topicIcon{width:43px;height:43px;font-size:26px;left:12px;top:9px}.badge{left:12px;bottom:8px}.cardBody{padding:13px}.cardBody h2{min-height:0;font-size:17px;margin-bottom:7px}.cardDescription{font-size:12px;min-height:68px;margin-bottom:12px}}
@media(max-width:380px){.grid{grid-template-columns:1fr}.cardDescription{min-height:0}}
@media(prefers-color-scheme:dark){.lessonCard{background:#142940;border-color:#786a4d}.cardArt{background:linear-gradient(120deg,#1a324e,#24496a);border-color:#786a4d}.topicIcon{background:#1a3552;color:#f1d48f;border-color:#907447}.badge{color:#f0ce80}.cardDescription{color:#bdccdb}.read{background:#0c203b;border-color:#405777}}

/* Approved horizontal reference design — 2026-10-22 */
body{background:radial-gradient(ellipse at 75% 3%,#dcebf9 0,transparent 36%),#edf5fc;color:#0c274b;font-family:Georgia,"Times New Roman",serif}
.wrap{width:min(calc(100% - 44px),1420px)}
header{background:#f6faff;border-bottom:1px solid #cbdced}
header .wrap{min-height:72px}
.langs a{color:#15335b}.langs a[aria-current]{color:#a77523;border-color:#c89a45}
.intro{min-height:222px;display:flex;align-items:center;justify-content:space-between;gap:24px;position:relative;overflow:hidden;padding:26px 30px 28px}
.intro:before{content:"";position:absolute;right:-10%;top:60%;width:85%;height:170px;border-radius:50%;border-top:3px solid #dcb971a0;transform:rotate(-13deg);pointer-events:none}
.introCopy{position:relative;z-index:1}
.heroBadge{display:inline-block;border-radius:24px;padding:5px 20px;background:linear-gradient(110deg,#f7d992,#c2913f);color:white;letter-spacing:2px;font-size:15px;font-weight:700;margin-bottom:9px}
h1{font:700 clamp(38px,5vw,65px)/1.1 Georgia,serif;letter-spacing:-1.4px;color:#0b2851}
.intro p{font:19px/1.4 Georgia,serif;color:#25456e;max-width:690px}
.heroDocument{position:relative;flex:0 0 190px;height:180px;border:1px solid #e1e9f2;border-radius:13px;transform:rotate(12deg);background:linear-gradient(130deg,#fff,#edf3f9);box-shadow:18px 13px 0 -3px #c8d9ea,30px 19px 0 -6px #b99a63,0 20px 38px #25466c25;display:flex;flex-direction:column;align-items:center;justify-content:center;color:#c09346;font:italic 47px Georgia,serif}
.bookGlyph{font-size:72px;line-height:.8}
.grid{gap:16px}
.lessonCard{min-height:218px;display:grid;grid-template-columns:36% 64%;grid-template-rows:1fr auto;position:relative;border-radius:17px;background:linear-gradient(130deg,#fffefa,#fff);border:1px solid #d9b875;box-shadow:0 10px 24px #20446914;overflow:hidden}
.cardArt{grid-column:1;grid-row:1;height:142px;background:transparent;border:0;position:relative;display:flex;align-items:center;justify-content:center;overflow:visible}
.cardArt:before{content:"";position:absolute;inset:18px 8px 0 13px;border-radius:50%;background:radial-gradient(ellipse at 60% 60%,#f4e2bb,#f7f8f7 65%,transparent 72%)}
.topicIcon{position:relative;inset:auto;width:112px;height:112px;border:0;box-shadow:none;background:transparent;font:700 83px/1 Georgia,serif;color:#103f75;text-shadow:2px 3px 0 #d4aa62;display:grid;place-items:center}
.cardBody{display:contents}
.cardBody h2{grid-column:2;grid-row:1;align-self:start;font:700 clamp(17px,1.5vw,23px)/1.15 Georgia,serif;color:#0b2448;margin:24px 14px 0 0;min-height:0}
.cardDescription{grid-column:2;grid-row:1;align-self:start;margin:63px 17px 0 0;min-height:0;color:#345477;font:15px/1.38 Georgia,serif}
.cardActions{grid-column:1/-1;grid-row:2;display:flex;align-items:center;gap:14px;padding:0 17px 16px}
.read{flex:1;max-width:225px;min-height:46px;margin:0;background:linear-gradient(115deg,#082345,#103c69);border-radius:11px;padding:10px 17px;font:700 15px Georgia,serif;box-shadow:0 5px 12px #102c4a1a}
.download{flex:1;margin:0;font:14px Georgia,serif;color:#99621b;text-align:center;white-space:nowrap}
.download span{font-size:20px;margin-right:6px}
@media(max-width:1100px){.wrap{width:min(calc(100% - 30px),1100px)}.lessonCard{grid-template-columns:32% 68%}.topicIcon{font-size:65px;width:90px;height:90px}.cardDescription{font-size:13px}.download{font-size:12px}.cardActions{gap:5px;padding:0 10px 13px}.read{font-size:13px}}
@media(max-width:760px){.grid{grid-template-columns:repeat(2,minmax(0,1fr))}.intro{min-height:180px;padding:22px 8px}.heroDocument{flex-basis:110px;height:130px;font-size:32px}.bookGlyph{font-size:48px}.intro p{font-size:16px}.lessonCard{min-height:210px}.cardBody h2{font-size:18px}.cardDescription{margin-top:57px}.topicIcon{font-size:59px}.cardActions{flex-wrap:wrap}.read{max-width:none}.download{padding:4px 0}}
@media(max-width:520px){.grid{grid-template-columns:1fr}.intro{min-height:160px}.heroDocument{display:none}.lessonCard{min-height:185px;grid-template-columns:34% 66%}.cardArt{height:120px}.topicIcon{font-size:69px}.cardBody h2{font-size:20px;margin-top:19px}.cardDescription{font-size:14px;margin-top:53px}.cardActions{flex-wrap:nowrap;gap:12px;padding:0 14px 14px}.read{font-size:14px}.download{font-size:12px}}
@media(prefers-color-scheme:dark){body{background:#091726;color:#e9edf3}header{background:#0d223b}.langs a{color:#d5e4f5}.intro h1{color:#f4f6fa}.intro p{color:#c2d3e8}.lessonCard{background:linear-gradient(135deg,#182f4a,#10263f);border-color:#93794b}.cardBody h2{color:#f4f6fa}.cardDescription{color:#c3d1e2}.cardArt{background:transparent;border:0}.topicIcon{color:#e8c785}.download{color:#e8c785}}

/* Unified USFLUENT header, compact purpose-led catalog */
header{background:#f6f8fc}
header .wrap{min-height:76px;max-width:1180px}
.brand{display:flex;align-items:center;gap:10px}
.brandEmblem{width:44px!important;height:55px!important;object-fit:contain}
.brandWordmark{display:flex;flex-direction:column;color:#0b2448}
.brandWordmark strong{font:900 24px/1.05 Georgia,serif;letter-spacing:.035em}
.brandWordmark strong span{color:#b7893c}
.brandWordmark sup{font:10px Arial,sans-serif;vertical-align:super}
.brandWordmark small{font:600 8px/1.6 Arial,sans-serif;letter-spacing:.13em;color:#60718a}
.intro{min-height:0;padding:23px 0 19px;overflow:visible}
.intro:before{display:none}
h1{font-size:clamp(29px,3.3vw,42px);letter-spacing:-.8px;margin:0 0 7px}
.intro p{font:16px/1.45 Arial,sans-serif;max-width:800px;color:#536984}
.heroDocument{display:none}
.lessonCard{min-height:205px}
.cardArt{height:133px}
.cardBody h2{margin-top:21px}
.cardDescription{margin-top:59px}
@media(max-width:760px){header .wrap{min-height:69px}.brandEmblem{width:35px!important;height:43px!important}.brandWordmark strong{font-size:20px}.brandWordmark small{font-size:6px}.intro{min-height:0;padding:18px 0 17px}.intro p{font-size:14px}.lessonCard{min-height:200px}}
@media(max-width:520px){.brandWordmark strong{font-size:18px}.brandWordmark small{display:none}.intro{padding:15px 0}.cardArt{height:120px}.lessonCard{min-height:182px}}
@media(prefers-color-scheme:dark){header{background:#101f34;border-color:#45536a}.brandWordmark{color:#f1f5fa}.brandWordmark small{color:#b3c1d4}.intro p{color:#b7c9de}.langs a{color:#e2eaf4}.lessonCard{background:#142940}.cardDescription{color:#c3d1e2}.read{color:#fff}}

/* Compact shared-style header, readable dark theme, reduced whitespace */
header{background:rgba(250,251,253,.97);border-bottom:1px solid #e0e6ed}
header .wrap{min-height:70px}
.headerRight{display:flex;align-items:center;gap:22px}
.joinCta{display:inline-flex;align-items:center;gap:12px;background:linear-gradient(125deg,#e7c37d,#bd8733);color:#112747;border-radius:12px;padding:11px 17px;font:700 13px/1.2 Arial,sans-serif;box-shadow:0 5px 14px #86622624}
.joinCta:hover{filter:brightness(1.06)}
.intro{min-height:0;padding:20px 0 18px;overflow:visible}
.intro:before{display:none}
.intro h1{font-size:clamp(29px,3.3vw,44px);margin:0 0 5px;letter-spacing:-.7px}
.intro p{font:15px/1.45 Arial,sans-serif;max-width:780px}
.grid{gap:13px}
.lessonCard{min-height:192px}
.cardArt{height:120px}
.topicIcon{width:88px;height:88px;font-size:65px}
.cardBody h2{margin-top:19px;font-size:clamp(17px,1.4vw,21px)}
.cardDescription{margin-top:53px;font-size:14px}
.cardActions{padding-bottom:12px}
@media(max-width:760px){.headerRight{gap:12px}.joinCta{padding:9px 11px;font-size:12px}.intro{padding:17px 0 15px}.lessonCard{min-height:185px}}
@media(max-width:520px){header .wrap{min-height:65px}.brand img{width:145px}.headerRight{gap:8px}.joinCta{font-size:11px;padding:9px}.langs{gap:6px}.langs a{font-size:11px}.intro h1{font-size:30px}.intro p{font-size:14px}.lessonCard{min-height:180px}}
@media(prefers-color-scheme:dark){header{background:#0c2039;border-color:#334962}.intro{background:transparent}.intro h1{color:#f4f7fc}.intro p{color:#c4d2e4}.langs a{color:#e1e8f2}.lessonCard{background:#142940;border-color:#90764b}.cardBody h2{color:#f4f7fc}.cardDescription{color:#c4d2e4}.joinCta{color:#0a2442}.read{color:white}}

/* Shared public navy/gold header matching the home page */
header.top{background:linear-gradient(110deg,#06142d,#0e2c50)!important;border-bottom:1px solid #a9874e!important;color:#fff}
header.top .wrap.bar{width:min(calc(100% - 40px),1180px);height:76px;min-height:76px;display:flex;align-items:center;justify-content:space-between;gap:16px}
header.top .premiumBrand{display:inline-flex;align-items:center;gap:9px;min-width:0;text-decoration:none;color:#fff}
header.top .premiumBook{display:block;width:44px;height:56px;object-fit:contain}
header.top .premiumLockup{display:flex;flex-direction:column;line-height:1}
header.top .premiumWordmark{font:900 23px/1.05 Arial,sans-serif;letter-spacing:-1px;white-space:nowrap}
header.top .premiumUs{color:#f9f8f4}
header.top .premiumGold{color:#dfb85f}
header.top .premiumWordmark sup{font-size:9px;vertical-align:super;color:#e7c679}
header.top .premiumTagline{font:700 7px/1.5 Arial,sans-serif;letter-spacing:1.1px;color:#dfc17d;margin-top:3px}
header.top .headerRight{display:flex;align-items:center;gap:13px;flex-direction:row-reverse}
header.top .joinCta{background:linear-gradient(120deg,#f9d98a,#d6a447);border:1px solid #d6af63;color:#081b35;border-radius:11px;font:800 13px Arial,sans-serif;padding:13px 17px}
header.top .langs{display:flex;align-items:center;gap:6px}
header.top .langs a{color:#e7edf8;font:700 12px Arial,sans-serif;padding:11px 8px;border:1px solid #ae8e5d;border-radius:10px;text-decoration:none}
header.top .langs a[aria-current]{background:#173c65;color:#f3d389;border-bottom:1px solid #ae8e5d}
@media(max-width:650px){header.top .wrap.bar{height:70px;min-height:70px;width:calc(100% - 24px)}header.top .premiumBook{width:35px;height:45px}header.top .premiumWordmark{font-size:17px}header.top .premiumTagline{font-size:5px;letter-spacing:.6px}header.top .headerRight{gap:7px}header.top .joinCta{font-size:11px;padding:10px 9px}header.top .langs a{font-size:10px;padding:8px 6px}}
@media(prefers-color-scheme:dark){header.top{background:linear-gradient(110deg,#06142d,#0e2c50)!important}header.top .langs a{color:#e7edf8}header.top .joinCta{color:#081b35}}

/* Header hotfix: hard size constraints prevent oversized emblem and white header */
header.top,body>header.top{background:linear-gradient(105deg,#06152d 0%,#0e2e52 100%)!important;color:#fff!important;height:76px!important;min-height:76px!important;max-height:76px!important;overflow:hidden!important}
header.top .wrap.bar{height:76px!important;min-height:76px!important;max-height:76px!important;padding:0!important;display:flex!important;align-items:center!important}
header.top .premiumBrand{height:68px!important;max-height:68px!important;display:inline-flex!important;align-items:center!important;gap:7px!important;flex:0 1 auto!important;min-width:0!important}
header.top .premiumBrand img.premiumBook{display:block!important;position:static!important;width:44px!important;min-width:44px!important;max-width:44px!important;height:56px!important;min-height:0!important;max-height:56px!important;object-fit:contain!important;flex:none!important}
header.top .premiumLockup{display:flex!important;flex-direction:column!important;align-items:flex-start!important;justify-content:center!important;width:auto!important;line-height:1!important}
header.top .premiumWordmark{display:block!important;font:900 22px/1 Arial,sans-serif!important;letter-spacing:-.9px!important;white-space:nowrap!important;color:#fff!important}
header.top .premiumTagline{display:block!important;font:700 7px/1.4 Arial,sans-serif!important;letter-spacing:.7px!important;color:#ddbf78!important;white-space:nowrap!important}
header.top .headerRight{flex-shrink:0!important}
@media(max-width:650px){header.top,body>header.top{height:70px!important;min-height:70px!important;max-height:70px!important}header.top .wrap.bar{height:70px!important;min-height:70px!important;max-height:70px!important}header.top .premiumBrand img.premiumBook{width:34px!important;min-width:34px!important;max-width:34px!important;height:45px!important;max-height:45px!important}header.top .premiumWordmark{font-size:16px!important}header.top .premiumTagline{font-size:5px!important}}

/* Structural text flow: title and description never overlap, any locale */
.lessonCard{grid-template-columns:34% minmax(0,66%);grid-template-rows:minmax(126px,auto) auto;min-height:0}
.cardBody{display:contents}
.cardText{grid-column:2;grid-row:1;align-self:start;min-width:0;padding:17px 13px 12px 0;display:flex;flex-direction:column;gap:9px}
.cardText h2,.cardBody h2{grid-column:auto;grid-row:auto;align-self:auto;margin:0!important;min-height:0!important;font:700 clamp(17px,1.5vw,21px)/1.16 Georgia,serif!important;overflow-wrap:break-word;hyphens:auto}
.cardText .cardDescription,.cardDescription{grid-column:auto;grid-row:auto;align-self:auto;margin:0!important;min-height:0!important;font:14px/1.4 Georgia,serif!important;overflow-wrap:break-word}
.cardArt{grid-column:1;grid-row:1;height:auto;min-height:126px}
.cardActions{grid-column:1/-1;grid-row:2;align-self:end}
@media(max-width:1100px){.cardText{padding:15px 10px 10px 0;gap:7px}.cardText h2{font-size:18px!important}.cardText .cardDescription{font-size:13px!important}}
@media(max-width:520px){.lessonCard{grid-template-rows:minmax(115px,auto) auto}.cardArt{min-height:115px}.cardText{padding:14px 12px 9px 0}.cardText h2{font-size:19px!important}.cardText .cardDescription{font-size:13px!important}}
@media(prefers-color-scheme:dark){.cardText h2{color:#f4f7fc!important}.cardText .cardDescription{color:#c4d2e4!important}}

/* FINAL locale typography correction: center copy as a cohesive block */
.lessonCard{grid-template-rows:minmax(118px,auto) auto!important}
.lessonCard .cardText{grid-column:2!important;grid-row:1!important;align-self:center!important;justify-self:stretch!important;display:block!important;height:auto!important;min-height:0!important;padding:12px 14px 12px 0!important;margin:0!important;position:static!important}
.lessonCard .cardText h2{display:block!important;position:static!important;grid-area:auto!important;align-self:auto!important;min-height:0!important;height:auto!important;margin:0 0 9px!important;padding:0!important;font:700 19px/1.22 Georgia,serif!important;letter-spacing:-.25px!important;overflow-wrap:anywhere!important}
.lessonCard .cardText p.cardDescription{display:block!important;position:static!important;grid-area:auto!important;align-self:auto!important;min-height:0!important;height:auto!important;margin:0!important;padding:0!important;font:14px/1.38 Georgia,serif!important;letter-spacing:0!important;overflow-wrap:break-word!important}
.lessonCard .cardArt{min-height:118px!important}
.lessonCard .cardActions{position:relative;z-index:1}
@media(max-width:1100px){.lessonCard .cardText h2{font-size:18px!important}.lessonCard .cardText p.cardDescription{font-size:13px!important}}
@media(max-width:520px){.lessonCard .cardText{padding:11px 12px 11px 0!important}.lessonCard .cardText h2{font-size:18px!important;margin-bottom:7px!important}.lessonCard .cardText p.cardDescription{font-size:13px!important}}

/* PDF preview repair: missing image pages must never leave a giant blank rectangle */
.readerPages .page{height:auto!important;min-height:0!important}
.readerPages .page img{display:block;width:100%;height:auto}
.readerPages .page canvas{display:block;background:#fff;box-shadow:0 3px 15px #10223b20}
.readerPages .page .pdfPageStatus{display:flex;align-items:center;justify-content:center;min-height:140px;background:#f2f5fa;border:1px solid #d5dfeb;border-radius:8px;font:14px/1.5 Arial,sans-serif;color:#41536b}
.readerPages .page .pdfFallback{display:inline-flex;align-items:center;padding:12px 18px;background:#102e51;color:#fff;border-radius:9px;text-decoration:none}
@media(prefers-color-scheme:dark){.readerPages .page .pdfPageStatus{background:#152c45;color:#e8eef6;border-color:#465e79}}