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@media(min-width:1500px){.book,.spread{min-height:680px}.visual-page.photo{min-height:680px}.content-page{padding-top:55px}.cover .content-page{padding-top:60px}.cover h1{font-size:76px}.cover .intro{font-size:24px}}@media(max-width:1050px){.topbar{padding:0 3%;height:90px}.brand{gap:14px}.brand img{width:130px}.book-brand{font-size:24px}.book-brand small{font-size:8px}.tool{font-size:14px;padding:8px 10px}.top-actions{gap:3px}.settings-label{display:none}#reader{padding:0 3%}.content-page,.cover .content-page{padding:35px 30px}.cover h1{font-size:52px}.cover-meta{gap:6px}.pill{font-size:11px}.cover-actions{flex-direction:column;align-items:stretch}.spread{min-height:640px}.visual-page.photo{min-height:640px}.chart{padding:20px 26px}.chart-label{font-size:13px}.chart-top{padding:25px 26px 0}.original-layout{grid-template-columns:1fr 210px}.nav-button.next{min-width:180px}.nav-preview{max-width:140px}.bottom-nav{gap:15px}}
@media(max-width:760px){.topbar{height:auto;min-height:85px;flex-wrap:wrap;padding:15px 5%;gap:14px}.brand img{width:115px}.brand{gap:12px}.brand-divider{height:32px}.book-brand{font-size:24px}.book-brand small{font-size:7px;letter-spacing:1.1px}.top-actions{width:100%;border-top:1px solid #e0e8e6;padding-top:9px;justify-content:space-between;gap:6px}.tool{min-height:43px;font-size:14px;padding:8px 10px}.settings-label{display:inline}.reader-band{height:auto;min-height:42px;padding:5px 5%;font-size:9px;gap:10px}.reader-band button{font-size:11px;line-height:1.5}.reader-band>span{max-width:180px;line-height:1.5}.live-dot{width:5px;height:5px;margin-right:5px}#reader{padding:0 4%}.reader-context{min-height:65px;gap:5px;flex-wrap:wrap;padding:12px 2px}#breadcrumb{font-size:12px;max-width:55%}.reading-tools{gap:2px}.reading-tools button{font-size:12px;padding:5px;min-height:42px}.reading-tools #save-label{display:none}.reading-tools #save{font-size:23px;width:42px}.book{border-radius:10px}.spread{display:flex;flex-direction:column;min-height:0}.cover .visual-page{height:310px;min-height:310px;order:0}.cover .content-page{order:1;padding:32px 25px}.cover h1{font-size:48px}.cover .intro{font-size:20px}.cover .photo-label{top:20px;left:20px;font-size:10px}.photo-bottom{font-size:24px;left:24px;bottom:24px}.photo-bottom small{font-size:11px}.photo-overlay{background:linear-gradient(180deg,#020c2700 30%,#020c2777)}.content-page{padding:30px 25px}.content-page h2{font-size:38px}.eyebrow{font-size:11px}.cover-meta{margin-bottom:22px}.pill{font-size:11px}.cover-actions{flex-direction:row;flex-wrap:wrap}.cover-actions .primary,.cover-actions .secondary{width:100%}.source-note{padding-top:18px;margin-top:15px;font-size:11px}.source-note button{font-size:12px}.visual-page{border-right:0;border-bottom:1px solid var(--line);min-height:320px}.visual-page.photo{min-height:310px;height:310px}.photo-heading{font-size:28px;left:25px;bottom:25px}.photo-heading small{font-size:12px;max-width:330px}.visual-heading{padding:25px 25px 0}.visual-heading h3{font-size:25px}.diagram-wrap{padding:0 20px}.body-map{max-height:330px}.visual-caption{font-size:11px}.visual-foot{position:static;padding:0 25px 25px;font-size:12px}.chart{padding:18px 25px}.chart-row{margin-bottom:19px}.chart-label{font-size:14px}.chart-label strong{font-size:18px}.chart-top{padding:25px 25px 0}.big-stat{font-size:95px;padding-top:20px;letter-spacing:-5px}.stat-label{font-size:19px;padding-bottom:25px}.product-stage{min-height:320px;padding:25px}.product-stage img{max-height:270px}.product-stage.trio img{max-height:250px}.dose-badge{top:25px;right:25px;width:75px;height:75px;font-size:25px}.question-card{font-size:18px;margin:15px 25px;padding:20px}.bottom-nav{position:sticky;bottom:0;z-index:8;grid-template-columns:1fr auto 1fr;gap:8px;min-height:88px;background:var(--canvas);padding:12px 0;box-shadow:0 -8px 20px var(--canvas)}.nav-button{padding:10px 14px;font-size:14px;min-width:0;width:100%;gap:7px;min-height:54px}.nav-button.next{min-width:0}.nav-button>span[aria-hidden]{font-size:22px}.nav-preview,.reading-hint{display:none}.page-position{width:76px}.page-position button{font-size:12px;gap:4px;line-height:1.4;min-height:37px}.page-position button>span:last-child{display:none}.progress-track{margin:5px 0 0}.underbook{display:block;padding:12px 0;font-size:10px}.underbook>span{display:none}.underbook>div{justify-content:space-between;gap:10px}.underbook button{font-size:10px;min-height:42px}footer{font-size:10px;gap:20px;padding:12px 4% 20px}.original-layout{display:flex;flex-direction:column;padding:15px;gap:18px}.original-view{max-height:70vh;padding:5px}.original-info{padding:0}.original-info h2{font-size:25px;margin-bottom:14px}.original-info p{font-size:15px}.original-switch{flex-direction:row;flex-wrap:wrap;gap:8px}.original-switch button{font-size:12px;padding:10px 14px}.zoom-controls{margin:12px 0}.original-page-label{margin-bottom:10px}.original-text{padding:15px}.drawer{width:100%;max-width:100%;border-radius:0}.thumb-grid{gap:10px}.thumb-grid span{font-size:11px}.contents-item{padding:15px 0;gap:10px;grid-template-columns:42px 1fr 16px}.contents-item strong{font-size:16px}dialog{padding:25px 22px;max-height:94dvh;border-radius:14px}.dialog-heading{gap:14px}.dialog-heading h2{font-size:29px}.dialog-heading .close{width:40px;height:40px;min-height:40px}.choice-group{gap:7px}.choice-group button{font-size:13px;padding:12px 13px}.choice-group button[aria-pressed=true]{padding:11px 12px}.source-tools{gap:8px;font-size:13px}.source-tools button{font-size:12px;padding:8px 12px;min-height:43px}.source-tools input{width:48px}.source-tools a{font-size:12px}.source-dialog{width:calc(100% - 12px);padding:18px 12px}#source-content{padding:10px}#source-content pre{font-size:19px}.size-largest .content-page{padding:30px 23px}.size-largest h2{font-size:38px}.size-largest .cover h1{font-size:48px}.size-largest .spread,.size-large .spread{min-height:0}.size-largest .source-note{font-size:12px}.size-largest .chart-label{font-size:15px}.size-largest .chart-label strong{font-size:19px}.size-largest .cover .intro{font-size:28px}.size-large .cover .intro{font-size:24px}}
@media(prefers-reduced-motion:reduce){*,*:before,*:after{animation:none!important;transition:none!important;scroll-behavior:auto!important}}@media print{.topbar,.reader-band,.reader-context,.bottom-nav,.underbook,footer,dialog,.source-note,.skip,#toast{display:none!important}body,#reader{background:#fff;padding:0}.book{box-shadow:none;border:0}.spread{display:block}.visual-page{display:none}.content-page{padding:25px}.content-page p{color:#000}.check-row input{appearance:auto}}

[hidden]{display:none!important}.bottom-nav{position:sticky;bottom:0;background:var(--canvas);z-index:8;box-shadow:0 -8px 20px var(--canvas)}.original-view img{flex-shrink:0;margin-inline:auto}.original-view{justify-content:flex-start}

.topbar{position:sticky;top:0;z-index:12}.original-view img{height:auto}@media(max-width:760px){.topbar{position:relative}}

@media(max-width:760px){.tool,.reading-tools button{min-height:48px}.reading-tools button{font-size:13px}.reader-context{row-gap:3px}.primary,.secondary{min-height:54px}.source-tools button{min-height:48px}}

@media(max-width:760px){.topbar{position:sticky;top:-76px}.page-position button{min-height:48px}.underbook button{font-size:12px;min-height:48px}.underbook>div{flex-wrap:wrap}}

.visual-page:not(.photo){justify-content:flex-start}.diagram-wrap{flex:0 0 auto;padding-top:0;padding-bottom:0}.body-map{height:360px}.peptide-diagram{height:300px}.visual-page:has(.product-stage){justify-content:center}@media(max-width:760px){.body-map{height:300px}.peptide-diagram{height:250px}}

/* Content corrections retain the existing Ferravitin reader's design tokens and layout. */
.dose-badge.daily{background:#2475b5;color:#fff}.dose-badge.pregnancy{background:#b4166c;color:#fff}.dose-badge.rapid{background:#713c97;color:#fff;font-size:27px}
.product-stage img{mix-blend-mode:multiply;object-fit:contain}.product-stage.trio{align-items:center;gap:10px;padding-left:18px;padding-right:18px}
.product-stage.trio figure{margin:0;flex:1;min-width:0;text-align:center}.product-stage.trio figure img{width:100%;max-height:340px;object-fit:contain}.product-stage.trio figcaption{font-size:13px;line-height:1.5;font-weight:500;margin-top:12px}.product-stage.trio figcaption span{display:block;font-size:11px;color:var(--muted);margin-top:5px}.product-stage.trio figcaption .coming-soon{color:#713c97;font-weight:700}
.status-banner{align-self:flex-start;background:#f1e9f7;border:1px solid #d7c1e6;border-radius:30px;padding:9px 20px;color:#713c97!important;font-size:18px!important;font-weight:600;letter-spacing:.02em}
.content-page>a.secondary{margin-bottom:12px;align-self:flex-start}.content-page .detail-note{margin-bottom:18px}
.reference-sheet{background:var(--paper);color:var(--ink);padding:clamp(25px,4vw,55px);width:100%;min-width:0;border:1px solid var(--line);border-radius:7px;--reader-zoom:1}
.reference-sheet>p:not(.eyebrow):not(.reference-edition){font-size:calc(var(--text) * var(--reader-zoom));line-height:1.75;white-space:normal;overflow-wrap:break-word}.reference-sheet h2{font-size:calc(38px * var(--reader-zoom));line-height:1.18}.reference-sheet .eyebrow{color:var(--teal)}.reference-sheet:after{content:'';display:block;clear:both}
.reference-product{float:right;width:34%;margin:0 0 20px 24px;text-align:center}.reference-product img{width:100%;height:auto!important;max-height:360px;object-fit:contain;mix-blend-mode:multiply}.reference-product figcaption{font-size:12px;line-height:1.6;color:var(--muted);margin-top:8px}
.reference-links{clear:both;border-top:1px solid var(--line);padding-top:22px;margin-top:28px}.reference-links h3{font-size:20px}.reference-links a{display:block;font-size:16px;line-height:1.7;margin:12px 0;overflow-wrap:anywhere;color:var(--teal)}.reference-edition{clear:both;margin:30px 0 0;font-size:10px;letter-spacing:1px;color:var(--muted)}
.reference-thumb{display:flex!important;min-height:180px;padding:20px 14px!important;flex-direction:column;justify-content:space-between;align-items:flex-start;text-align:left;background:var(--mint);border:1px solid var(--line)}.reference-thumb b{font-size:32px;font-weight:400;color:var(--teal)}.reference-thumb small{font-size:13px;line-height:1.5;color:var(--ink)}
.original-view{display:block}.original-info h2{overflow-wrap:break-word}#source-content .reference-sheet{--reader-zoom:1!important}.reference-sheet.simple .reference-product{display:none}
@media(max-width:760px){.product-stage.trio{gap:4px;padding:24px 12px}.product-stage.trio figure img{max-height:220px}.product-stage.trio figcaption{font-size:11px}.product-stage.trio figcaption span{font-size:10px}.reference-sheet{padding:24px 18px}.reference-sheet h2{font-size:calc(29px * var(--reader-zoom))}.reference-sheet>p:not(.eyebrow):not(.reference-edition){font-size:calc(var(--text) * var(--reader-zoom))}.reference-product{float:none;width:70%;margin:0 auto 25px}.reference-product img{max-height:300px}.reference-thumb{min-height:160px;padding:14px 10px!important}.reference-thumb small{font-size:11px}.original-view{max-height:none;overflow:visible}.original-layout{padding:12px}.reference-links a{font-size:15px}}

.product-stage.trio{flex:0 0 auto;min-height:360px;padding-top:30px;padding-bottom:28px}.product-stage.trio figure img{max-width:100%;margin:0 auto}.visual-page:has(.product-stage.trio){justify-content:flex-start}.reference-product img{box-shadow:none}.original-view:has(.reference-sheet){background:var(--mint)}
@media(max-width:760px){.product-stage.trio{min-height:290px;padding-top:16px;padding-bottom:25px}.product-stage.trio figure img{max-height:205px}.product-stage.trio figcaption{min-height:52px}}

.product-stage.trio figure{position:relative;z-index:1}.product-stage img{filter:none}

/* Formula banners pair pregnancy imagery with Pregnancy Formula and senior imagery with Daily Maintenance. */
.formula-banner{position:relative;flex:none;width:100%;margin:0;border-bottom:4px solid #2475b5;background:#e7f2ef;overflow:hidden}.formula-banner img{display:block;width:100%;height:auto;aspect-ratio:16/9;object-fit:cover;object-position:50% 40%}.formula-banner.pregnancy{border-color:#cf167d}.formula-banner figcaption{position:absolute;bottom:18px;left:22px;border-radius:24px;padding:10px 17px;background:#174f7fed;color:white;font-size:13px;line-height:1.4;font-weight:500;letter-spacing:.02em}.formula-banner.pregnancy figcaption{background:#991254ed}.visual-page:has(>.formula-banner){justify-content:flex-start}.visual-page:has(>.formula-banner)>.product-stage{flex:0 0 auto;min-height:420px;padding-top:35px}.product-stage>.dose-badge{top:24px;right:28px}.reference-sheet>.formula-banner{margin:0 0 28px;border-radius:7px;max-width:100%}.reference-sheet>.formula-banner img{width:100%!important;max-width:100%;height:auto!important;box-shadow:none}.reference-sheet>.formula-banner figcaption{font-size:13px}.reference-sheet>.formula-banner.daily img{aspect-ratio:16/9;object-position:50% 40%}
@media(max-width:760px){.formula-banner figcaption{bottom:12px;left:15px;padding:8px 14px;font-size:12px}.visual-page:has(>.formula-banner)>.product-stage{min-height:320px;padding-top:24px}.product-stage>.dose-badge{top:20px;right:22px}.reference-sheet>.formula-banner figcaption{font-size:11px}.reference-sheet>.formula-banner{margin-bottom:22px}}
.product-stage>.dose-badge small{font-size:10px;line-height:1.35;letter-spacing:0}
.product-stage>.dose-badge{display:flex;flex-direction:column;justify-content:center;align-items:center;gap:3px;line-height:1.1;font-size:26px}.product-stage>.dose-badge small{max-width:90%;margin:0;font-size:10px;line-height:1.3;white-space:normal}@media(max-width:760px){.product-stage>.dose-badge{font-size:23px}}