:root{--bt-coral:#8152a0;--bt-deep:#57316f;--bt-light:#f7f2fa;--bt-ink:#302537;--bt-muted:#7d7083}
html{scroll-padding-top:125px}body:has(.bt-site-header){padding-bottom:90px!important;background:#fff}body:has(.bt-site-header) .shopify-section-group-header-group{display:none!important}.bt-symbol{width:28px;height:28px;flex-shrink:0;display:inline-block;vertical-align:middle}.bt-header-space{height:111px}.bt-site-header{position:fixed;inset:0 0 auto;z-index:50;background:var(--bt-light);box-shadow:0 3px 18px #57316f20;color:var(--bt-ink)}.bt-announcement{height:31px;background:var(--bt-coral);color:#fff;display:flex;align-items:center;justify-content:center;font-size:11px;font-weight:700;letter-spacing:2px}.bt-site-header__inner{max-width:1280px;margin:auto;height:80px;display:flex;align-items:center;justify-content:space-between;padding:0 28px}.bt-wordmark{font-size:35px;letter-spacing:-1.8px;font-weight:900;color:var(--bt-coral);text-decoration:none;line-height:1}.bt-header-actions{display:flex;align-items:center;gap:10px}.bt-header-actions summary,.bt-header-cart{display:flex;align-items:center;justify-content:center;width:43px;height:43px;border:0;border-radius:50%;background:#57316f;color:#fff;cursor:pointer;list-style:none}.bt-header-actions summary::-webkit-details-marker{display:none}.bt-header-actions .bt-symbol{width:22px;height:22px}.bt-menu nav,.bt-search form{position:absolute;right:28px;top:103px;padding:22px;background:#fff;box-shadow:0 12px 35px #30253725;border-radius:16px;border:1px solid #e1d2e9;max-width:calc(100vw - 28px)}.bt-menu nav{width:250px;display:grid;gap:16px}.bt-menu nav a{color:var(--bt-ink);text-decoration:none;font-weight:600}.bt-search form{width:400px}.bt-search label{display:block;font-size:13px;margin-bottom:10px}.bt-search form div{display:flex;gap:8px}.bt-search input{min-width:0;flex:1;padding:11px;border:1px solid #d8c1e5;border-radius:8px}.bt-search button{border:0;border-radius:8px;background:var(--bt-deep);color:#fff;padding:10px 14px;cursor:pointer}
body:has(.bt-site-header) .biotin-main{max-width:1280px;padding-top:30px!important;padding-bottom:54px!important}body:has(.bt-site-header) .biotin-main .product__title h1{font-family:var(--font-heading-family,Arial,sans-serif);font-size:clamp(28px,2.5vw,39px);font-weight:800;letter-spacing:-1px;color:var(--bt-ink);line-height:1.13}body:has(.bt-site-header) .biotin-main .product__info-wrapper p{color:var(--bt-ink);font-size:16px;line-height:1.5}body:has(.bt-site-header) .biotin-main .price{color:var(--bt-deep);font-weight:800;font-size:30px}body:has(.bt-site-header) .biotin-main .price-item--regular{color:var(--bt-deep)}body:has(.bt-site-header) .biotin-main .price__sale .price-item--regular{color:#8c7c96;font-size:19px}body:has(.bt-site-header) .biotin-main .badge{background:#f0e7f6!important;color:#57316f;border:none;font-size:13px;font-weight:700}body:has(.bt-site-header) .biotin-main #rsi_buy_now_button{background:var(--bt-deep)!important;border-radius:40px!important;min-height:60px!important;font-weight:800!important;box-shadow:none!important}body:has(.bt-site-header) .biotin-main .product__info-wrapper{color:var(--bt-ink)}.bt-benefit-box{border:1px solid #e6d9ee;border-radius:16px;padding:18px 20px;display:grid;gap:16px;background:#f7f2fa;margin:22px 0;color:var(--bt-ink)}.bt-benefit-box>div{display:flex;align-items:center;gap:14px;font-size:16px;font-weight:500}.bt-benefit-box .bt-symbol{color:#6f408e;width:27px;height:27px}.bt-offer{scroll-margin-top:130px}.bt-offer__heading{font:italic 700 27px/1.2 Georgia,serif!important;margin:22px 0 16px!important;color:var(--bt-ink)!important}.bt-offer__tabs{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-bottom:14px}.bt-offer__tab{border:1px solid #e6d9ee;border-radius:40px;padding:13px 10px;text-align:center;color:var(--bt-ink);font-size:17px;font-weight:700;text-decoration:none;line-height:1.3}.bt-offer__tab.is-selected{background:var(--bt-deep);border-color:var(--bt-deep);color:#fff}.bt-offer__purchase{border:2px solid var(--bt-deep);border-radius:17px;background:#f7f2fa;padding:18px 15px;display:flex;gap:12px;align-items:center}.bt-offer__purchase>div{flex:1;min-width:0}.bt-offer__purchase strong{font-size:18px;line-height:1.15}.bt-offer__purchase>div span{display:block;color:var(--bt-muted);font-size:13px;margin-top:4px}.bt-offer__purchase .bt-offer__price{font-size:20px;white-space:nowrap}.bt-offer__radio{width:27px;height:27px;flex-shrink:0;border:3px solid var(--bt-deep);border-radius:50%;padding:4px;background:var(--bt-deep);background-clip:content-box}.bt-offer__saving{font-size:12px!important;text-align:center;margin:10px 0!important;color:#57316f!important}.bt-offer__delivery{display:flex;gap:22px;justify-content:center;margin:16px 0;font-size:12px;color:#57316f}.bt-offer__delivery span{display:flex;gap:6px;align-items:center}.bt-offer__delivery svg{width:20px;height:20px}.bt-landing{background:var(--bt-light);color:var(--bt-ink);font-family:var(--font-body-family,Arial,sans-serif)}.bt-container{width:100%;max-width:1180px;padding:70px 28px;margin:0 auto}.bt-landing h2{font-family:var(--font-heading-family,Arial,sans-serif);color:var(--bt-ink);font-size:clamp(30px,4vw,48px);font-weight:800;line-height:1.14;letter-spacing:-1px;margin:10px 0 18px}.bt-landing h2 em{font-family:Georgia,"Times New Roman",serif;font-style:italic;font-weight:700;color:var(--bt-coral)}.bt-eyebrow{font-size:12px;letter-spacing:2px;font-weight:800;color:var(--bt-deep);margin:0 0 15px}.bt-subtitle{color:#7d7083;font-size:19px;line-height:1.5;margin:0 0 40px}.bt-table-wrap{max-width:1000px;margin:0 auto}.bt-comparison-table{width:100%;table-layout:fixed;border-collapse:separate;border-spacing:12px 0;border:0!important;box-shadow:none!important;color:var(--bt-ink)}.bt-comparison-table th,.bt-comparison-table td{border:0;border-bottom:1px solid #e4e4d6;text-align:left;padding:22px 10px;line-height:1.2;vertical-align:middle;background:transparent;box-shadow:none}.bt-comparison-table th:first-child{width:40%;font-size:19px;font-weight:650}.bt-comparison-table th:nth-child(2),.bt-comparison-table td:nth-child(2){width:30%;text-align:center;background:var(--bt-coral);color:#fff;font-size:15px}.bt-comparison-table th:nth-child(3),.bt-comparison-table td:nth-child(3){width:30%;text-align:center;color:#8a887c;font-size:15px}.bt-comparison-table thead th{border:0;vertical-align:bottom;padding-bottom:30px;padding-top:20px}.bt-comparison-table thead th:nth-child(2){border-radius:30px 30px 0 0;font-size:19px;font-weight:800}.bt-table-product{height:180px;margin-top:-25px;margin-bottom:8px}.bt-cutout{width:100%;height:100%;object-fit:contain;display:block}.bt-check{display:block;font:30px/1.1 Arial;margin:0 0 5px}.bt-comparison-table tbody tr:last-child th,.bt-comparison-table tbody tr:last-child td{border-bottom:0}.bt-comparison-table tbody tr:last-child td:nth-child(2){border-radius:0 0 30px 30px;padding-bottom:32px}.bt-comparison-note{text-align:center;max-width:650px;margin:30px auto 0;color:#8a887c;font-size:14px;line-height:1.4}.bt-community{padding:5px 0 65px;overflow:hidden}.bt-community>.bt-container{padding-bottom:0}.bt-community-carousel{display:block}.bt-community-track{display:flex;gap:24px;overflow-x:auto;scroll-snap-type:x mandatory;scrollbar-width:none;padding:0 max(28px,calc((100vw - 1124px)/2)) 24px;scroll-behavior:smooth}.bt-community-track::-webkit-scrollbar{display:none}.bt-community-card{flex:0 0 420px;border-radius:25px;overflow:hidden;scroll-snap-align:center;background:white;box-shadow:0 10px 30px #6f408e10}.bt-community-card__header{display:flex;align-items:center;gap:10px;padding:17px 16px}.bt-community-avatar{display:flex;align-items:center;justify-content:center;background:#ccd5bd;border-radius:50%;color:#fff;font-weight:900;font-size:22px;width:39px;height:39px;flex-shrink:0}.bt-community-card__header>strong{flex:1;font-size:13px;color:#302537}.bt-community-card__header>a{background:var(--bt-coral);border-radius:30px;color:white;padding:8px 12px;font-size:11px;text-decoration:none;white-space:nowrap}.bt-community-photo{display:block;width:100%;aspect-ratio:4/5;object-fit:cover}.bt-community-card__footer{padding:12px 16px 18px;text-align:center}.bt-community-card__footer>span{display:block;color:#96978a;font-size:10px;margin-bottom:10px}.bt-community-card__footer>a{display:block;text-decoration:none;background:var(--bt-coral);border-radius:40px;padding:13px;color:#fff;font-weight:750;font-size:14px}.bt-carousel-controls{display:flex;gap:14px;justify-content:center;padding-top:18px}.bt-carousel-controls button{border:0;border-radius:50%;background:var(--bt-coral);color:white;font-size:25px;width:48px;height:48px;cursor:pointer}.bt-carousel-controls button:disabled{opacity:.35;cursor:default}.bt-faq{padding-top:25px;padding-bottom:80px;max-width:950px}.bt-faq-list{display:grid;gap:18px;margin-top:35px}.bt-faq-item{border-radius:24px;background:#fff;box-shadow:0 7px 22px #57316f09;overflow:hidden}.bt-faq-item summary{display:flex;align-items:center;justify-content:space-between;gap:20px;cursor:pointer;padding:25px 28px;list-style:none}.bt-faq-item summary::-webkit-details-marker{display:none}.bt-faq-item h3{font-size:19px;line-height:1.25;letter-spacing:-.3px;font-weight:750;margin:0;color:var(--bt-ink);font-family:var(--font-heading-family,Arial,sans-serif)}.bt-faq-item summary>span{color:var(--bt-coral);font:38px/1 Arial;font-weight:300;flex-shrink:0}.bt-faq-item[open] summary>span{transform:rotate(45deg)}.bt-faq-answer{padding:0 28px 26px;color:var(--bt-ink);font-size:17px;line-height:1.55}.bt-faq-answer p{margin:0 0 12px}.bt-faq-answer p:last-child{margin:0}.bt-brand-close{background:var(--bt-coral);color:#fff}.bt-brand-close__inner{display:grid;grid-template-columns:1fr 1fr;gap:65px;align-items:center;padding-top:65px;padding-bottom:80px}.bt-brand-close__product{height:430px}.bt-brand-close h2,.bt-brand-close h2 em{color:#fff}.bt-brand-close h2{font-size:clamp(40px,5vw,65px)}.bt-brand-close p{font-size:20px;line-height:1.5;opacity:.9}.bt-brand-close strong{font-size:17px;display:block;line-height:1.5}.bt-close-button{display:inline-flex;align-items:center;gap:40px;margin-top:28px;background:#fff;color:var(--bt-deep);padding:16px 25px;border-radius:40px;text-decoration:none;font-weight:800}.bt-sticky{position:fixed;bottom:0;left:0;right:0;z-index:40;background:var(--bt-deep);box-shadow:0 -3px 16px #30253720;color:#fff;padding:9px 28px}.bt-sticky__inner{max-width:1124px;min-height:64px;display:flex;align-items:center;justify-content:space-between;gap:20px;margin:auto}.bt-sticky__product{display:flex;align-items:center;gap:15px}.bt-sticky__product>img{height:106px;width:80px;margin-top:-43px}.bt-sticky__product strong{display:block;font-weight:850;font-size:20px}.bt-sticky__product small{display:block;font-size:12px}.bt-sticky a{text-decoration:none;color:#fff;display:flex;align-items:center;gap:18px}.bt-sticky a>strong{background:white;color:var(--bt-deep);border-radius:10px;padding:12px 18px;font-size:14px}.bt-sticky a>span{font-size:18px;font-weight:800}.bt-gallery__navigation{display:flex;align-items:center;justify-content:space-between;margin-top:15px}.bt-gallery__pager{display:flex;align-items:center;gap:12px;border:1px solid #e5e3d9;border-radius:40px;padding:6px 10px;color:#818574}.bt-gallery__pager .bt-gallery__arrow{background:transparent;color:#6f408e;width:22px;height:24px}.bt-gallery__counter{font-size:14px;min-width:35px;text-align:center}.bt-gallery__expand{border:1px solid #e5e3d9;background:white;border-radius:50%;width:37px;height:37px;display:flex;align-items:center;justify-content:center;cursor:pointer;color:#535f47}.bt-gallery__expand .bt-symbol{width:19px;height:19px}.bt-gallery__thumbs{margin-top:17px}.bt-gallery__modal{padding:35px 20px 20px;border:0;border-radius:14px;max-width:92vw;max-height:92vh;background:#fff}.bt-gallery__modal::backdrop{background:#302537cc}.bt-gallery__modal>img{display:block;max-width:85vw;max-height:80vh;object-fit:contain}.bt-gallery__modal>button{position:absolute;right:8px;top:3px;background:transparent;border:0;color:#535f47;font-size:30px;cursor:pointer}.bt-gallery__status{display:none}
@media(min-width:990px){.bt-gallery__thumbs{gap:9px}.bt-header-actions{gap:12px}}
@media(max-width:749px){html{scroll-padding-top:105px}body:has(.bt-site-header){padding-bottom:84px!important}.bt-header-space{height:100px}.bt-announcement{height:26px;font-size:9px;letter-spacing:1.2px}.bt-site-header__inner{height:74px;padding:0 17px}.bt-wordmark{font-size:31px}.bt-header-actions{gap:8px}.bt-header-actions summary,.bt-header-cart{width:36px;height:36px}.bt-header-actions .bt-symbol{width:19px;height:19px}.bt-menu nav,.bt-search form{top:92px;right:14px}body:has(.bt-site-header) .biotin-main{padding:23px 14px 35px!important}.bt-gallery__thumbs{grid-template-columns:repeat(6,minmax(0,1fr));gap:7px}body:has(.bt-site-header) .biotin-main .product__title h1{font-size:28px;line-height:1.12;margin-top:5px;letter-spacing:-.6px}body:has(.bt-site-header) .biotin-main .price{font-size:34px}.bt-benefit-box{padding:17px 16px;margin:20px 0;gap:16px;border-radius:14px}.bt-benefit-box>div{font-size:15px;gap:13px}.bt-benefit-box .bt-symbol{width:25px;height:25px}.bt-offer__heading{font-size:25px!important}.bt-offer__tabs{gap:10px}.bt-offer__tab{font-size:16px;padding:12px 8px}.bt-offer__purchase{padding:17px 13px;gap:11px}.bt-offer__purchase strong{font-size:17px}.bt-offer__purchase>div span{font-size:12px}.bt-offer__purchase .bt-offer__price{font-size:18px}.bt-offer__delivery{gap:18px;font-size:11px}.bt-container{padding:48px 15px}.bt-landing h2{font-size:29px;letter-spacing:-.6px;line-height:1.14}.bt-subtitle{font-size:15px;margin-bottom:32px}.bt-eyebrow{font-size:10px;letter-spacing:1.7px}.bt-comparison-table{border-spacing:7px 0}.bt-comparison-table th,.bt-comparison-table td{padding:18px 4px;line-height:1.2}.bt-comparison-table th:first-child{font-size:13px;width:41%}.bt-comparison-table th:nth-child(2),.bt-comparison-table td:nth-child(2){font-size:10px;width:30%}.bt-comparison-table th:nth-child(3),.bt-comparison-table td:nth-child(3){font-size:11px;width:29%}.bt-comparison-table thead th:nth-child(2){font-size:14px;border-radius:22px 22px 0 0}.bt-comparison-table thead th{padding-top:16px;padding-bottom:25px}.bt-table-product{height:120px;margin-top:-15px;margin-bottom:5px}.bt-check{font-size:23px;margin-bottom:4px}.bt-comparison-table tbody tr:last-child td:nth-child(2){border-radius:0 0 22px 22px;padding-bottom:24px}.bt-comparison-note{font-size:11px;margin-top:23px;padding:0 10px}.bt-community{padding-bottom:28px}.bt-community>.bt-container{padding-top:30px}.bt-community-track{padding-left:17px;padding-right:17px;gap:18px}.bt-community-card{flex-basis:84vw;border-radius:20px}.bt-community-card__header{padding:12px;gap:9px}.bt-community-avatar{width:33px;height:33px;font-size:18px}.bt-community-card__header>strong{font-size:12px}.bt-community-card__header>a{font-size:10px;padding:7px 11px}.bt-community-card__footer{padding:10px 12px 14px}.bt-community-card__footer>a{font-size:13px;padding:12px}.bt-carousel-controls{padding-top:12px;gap:12px}.bt-carousel-controls button{width:43px;height:43px;font-size:24px}.bt-faq{padding-top:35px;padding-bottom:50px}.bt-faq-list{gap:15px;margin-top:28px}.bt-faq-item{border-radius:20px}.bt-faq-item summary{padding:21px 20px;gap:15px}.bt-faq-item h3{font-size:16px}.bt-faq-item summary>span{font-size:31px}.bt-faq-answer{font-size:15px;padding:0 20px 22px}.bt-brand-close__inner{grid-template-columns:1fr;gap:25px;padding:38px 18px 55px}.bt-brand-close__product{height:360px}.bt-brand-close h2{font-size:36px}.bt-brand-close p{font-size:16px}.bt-brand-close strong{font-size:14px}.bt-close-button{padding:14px 22px;font-size:14px}.bt-sticky{padding:8px 16px}.bt-sticky__inner{min-height:61px;gap:12px}.bt-sticky__product{gap:6px}.bt-sticky__product>img{height:95px;width:67px;margin-top:-37px}.bt-sticky__product strong{font-size:14px}.bt-sticky__product small{font-size:9px;max-width:115px;line-height:1.25}.bt-sticky a{flex-direction:column;gap:3px;align-items:flex-end;flex-shrink:0}.bt-sticky a>strong{font-size:11px;padding:9px 12px;border-radius:8px}.bt-sticky a>span{font-size:12px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.bt-community-track{scroll-behavior:auto}}
.bt-product-price{display:flex;align-items:center;gap:16px;flex-wrap:wrap;margin:20px 0 24px}.bt-product-price__current{font-size:40px;font-weight:850;line-height:1;color:var(--bt-deep)}.bt-product-price>s{font-size:23px;color:#939182}.bt-product-price__badge{flex-basis:100%;width:max-content;max-width:max-content;background:#f0e6f6;color:#57316f;padding:5px 14px;border-radius:30px;font-size:14px;font-weight:750}.bt-product-intro{font-size:16px!important;line-height:1.5;margin:12px 0}.bt-product-intro strong{font-weight:750}.bt-product-brand{color:var(--bt-coral);font-size:11px;letter-spacing:2px;font-weight:750;margin:0 0 10px}@media(max-width:749px){.bt-product-price__current{font-size:39px}.bt-product-price>s{font-size:21px}.bt-product-price__badge{font-size:13px}}
.bt-gallery__benefits{display:none!important}.bt-gallery__frame{grid-template-columns:1fr!important}.bt-wordmark{font-size:30px}.bt-community-avatar{font-family:Georgia,serif}.bt-ingredient-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin:32px 0}.bt-ingredient-grid article{padding:24px;border:1px solid #dedfcf;background:#fff;border-radius:22px}.bt-ingredient-grid h3{font-size:19px;color:#57316f}.bt-steps{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin:25px 0}.bt-steps div{padding:18px;border-radius:16px;background:#f7f2fa;text-align:center}.bt-steps b{display:block;color:#57316f;font-size:23px}@media(max-width:749px){.bt-ingredient-grid{grid-template-columns:1fr 1fr;gap:10px}.bt-ingredient-grid article{padding:17px}.bt-steps{gap:6px}.bt-steps div{padding:12px 5px;font-size:12px}}
.bt-wordmark{font-weight:500;letter-spacing:3px;font-size:25px}.bt-product-brand{color:#6f408e!important;letter-spacing:2px}.bt-ingredient-grid{grid-template-columns:repeat(4,1fr)}.bt-ingredient-grid article{min-height:120px}.bt-ingredient-grid h3{margin:0 0 8px}.bt-ingredient-grid p{color:#77796d}.bt-close-button svg{width:22px;height:22px;margin-left:10px}.bt-sticky svg{width:18px;height:18px;margin-left:6px}.bt-sticky a>strong{display:flex;align-items:center}@media(max-width:749px){.bt-wordmark{font-size:22px;letter-spacing:2px}.bt-ingredient-grid{grid-template-columns:repeat(2,1fr)}.bt-sticky a>strong{font-size:10px;padding:9px}.bt-comparison-table th,.bt-comparison-table td{overflow-wrap:anywhere}.bt-table-product+span{font-size:12px}}
.bt-wordmark{font-weight:800;letter-spacing:-1px;font-size:25px}.bt-table-product+span{font-size:13px}.bt-gallery__frame{grid-template-columns:1fr}.bt-gallery__benefits{display:none}.bt-gallery__image{width:100%;height:auto;object-fit:contain}.bt-sticky__product .bt-cutout{max-height:110px}@media(max-width:749px){.bt-wordmark{font-size:21px}.bt-gallery__image{max-height:none}}