:root{--bk-ink: #173b39;--bk-ink-soft: #365753;--bk-text: #2d3e3c;--bk-muted: #6e7d79;--bk-line: #d8e1dd;--bk-bg: #f6f8f5;--bk-surface: #ffffff;--bk-sage: #dfeae5;--bk-sage-strong: #c8dbd3;--bk-sand: #f0ebe2;--bk-sand-strong: #e6dccb;--bk-warm: #f5eee7;--bk-accent: #a75f3b;--bk-focus: #246b63;--bk-shadow: 0 18px 50px rgba(23, 59, 57, .08);--bk-radius-sm: 12px;--bk-radius: 18px;--bk-radius-lg: 26px;--bk-max: 1240px}body{background:var(--bk-bg)}.bk-shell,.bk-section__inner{width:min(var(--bk-max),calc(100% - 40px));margin-inline:auto}.bk-section{background:var(--bk-bg);color:var(--bk-text)}.bk-section--white{background:var(--bk-surface)}.bk-section--sage{background:#edf3f0}.bk-section--sand{background:#f5f1ea}.bk-section--dark{background:var(--bk-ink);color:#fff}.bk-section__inner{padding-block:clamp(56px,7vw,96px)}.bk-kicker{display:inline-flex;align-items:center;gap:8px;margin:0 0 14px;color:var(--bk-ink-soft);font-size:12px;line-height:1.2;font-weight:800;letter-spacing:.11em;text-transform:uppercase}.bk-kicker:before{content:"";width:7px;height:7px;border-radius:50%;background:#7d9f95}.bk-section--dark .bk-kicker{color:#d6e5e0}.bk-section--dark .bk-kicker:before{background:#b9d0c8}.bk-display,.bk-heading,.bk-card h3,.bk-card h2,.bk-resource-card h3,.bk-header__brand-name{color:var(--bk-ink);font-family:var(--font-heading--family, var(--font-body--family))}.bk-display{margin:0;max-width:900px;font-size:clamp(42px,6vw,78px);line-height:.98;letter-spacing:-.055em;font-weight:760}.bk-heading{margin:0;max-width:820px;font-size:clamp(32px,4vw,52px);line-height:1.04;letter-spacing:-.04em;font-weight:740}.bk-lead{max-width:760px;margin:20px 0 0;color:var(--bk-ink-soft);font-size:clamp(17px,2vw,20px);line-height:1.62}.bk-copy{color:var(--bk-muted);font-size:16px;line-height:1.62}.bk-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:30px}.bk-button{min-height:48px;display:inline-flex;align-items:center;justify-content:center;gap:9px;padding:0 19px;border:1px solid var(--bk-ink);border-radius:999px;background:var(--bk-ink);color:#fff!important;text-decoration:none!important;font-size:14px;font-weight:760;line-height:1;transition:transform .18s ease,background .18s ease,border-color .18s ease}.bk-button:hover{transform:translateY(-1px);background:#214d49;border-color:#214d49}.bk-button--secondary{background:transparent;color:var(--bk-ink)!important;border-color:#aebdb8}.bk-button--secondary:hover{background:#edf3f0;border-color:#8ca49d}.bk-button--light{background:#fff;color:var(--bk-ink)!important;border-color:#fff}.bk-button--ghost-light{background:transparent;color:#fff!important;border-color:#ffffff61}.bk-arrow{width:17px;height:17px;flex:0 0 auto}.bk-grid{display:grid;gap:18px}.bk-grid--2{grid-template-columns:repeat(2,minmax(0,1fr))}.bk-grid--3{grid-template-columns:repeat(3,minmax(0,1fr))}.bk-grid--4{grid-template-columns:repeat(4,minmax(0,1fr))}.bk-card{position:relative;display:flex;flex-direction:column;min-height:100%;padding:24px;border:1px solid var(--bk-line);border-radius:var(--bk-radius);background:var(--bk-surface);box-shadow:0 1px #173b3905;text-decoration:none!important;color:inherit!important;transition:border-color .18s ease,transform .18s ease,box-shadow .18s ease}.bk-card:hover{transform:translateY(-2px);border-color:#b8c8c2;box-shadow:var(--bk-shadow)}.bk-card h3,.bk-card h2{margin:0;font-size:20px;line-height:1.22;letter-spacing:-.025em;font-weight:730}.bk-card p{margin:10px 0 0;color:var(--bk-muted);font-size:14.5px;line-height:1.55}.bk-card__meta{margin-top:auto;padding-top:20px;display:flex;align-items:center;justify-content:space-between;gap:12px;color:var(--bk-ink-soft);font-size:13px;font-weight:720}.bk-card__number{display:inline-flex;align-items:center;justify-content:center;width:34px;height:34px;border-radius:50%;background:var(--bk-sage);color:var(--bk-ink);font-size:13px;font-weight:800}.bk-pill-row{display:flex;flex-wrap:wrap;gap:9px;margin-top:24px}.bk-pill{min-height:38px;display:inline-flex;align-items:center;padding:0 14px;border:1px solid var(--bk-line);border-radius:999px;background:#fff;color:var(--bk-ink-soft)!important;text-decoration:none!important;font-size:13px;font-weight:700}.bk-pill:hover{border-color:#a9bdb6;background:#f7faf8}.bk-header{position:relative;z-index:50;background:#fafbf8fa;color:var(--bk-ink);border-bottom:1px solid var(--bk-line)}.bk-header__notice{min-height:32px;display:flex;align-items:center;justify-content:center;padding:6px 20px;background:#dce8e3;color:#31544f;text-align:center;font-size:12px;font-weight:700;letter-spacing:.01em}.bk-header__main{min-height:82px;display:grid;grid-template-columns:minmax(190px,.8fr) auto minmax(250px,.8fr);align-items:center;gap:28px}.bk-header__brand{display:inline-flex;flex-direction:column;width:fit-content;color:var(--bk-ink)!important;text-decoration:none!important}.bk-header__brand-name{font-size:28px;line-height:1;letter-spacing:-.045em;font-weight:800}.bk-header__brand-sub{margin-top:5px;color:#657873;font-size:10.5px;line-height:1.15;font-weight:700;letter-spacing:.025em}.bk-header__nav{display:flex;align-items:center;justify-content:center;gap:2px}.bk-header__nav a{position:relative;min-height:42px;display:inline-flex;align-items:center;padding:0 14px;border-radius:999px;color:#31524e!important;text-decoration:none!important;font-size:14px;font-weight:720}.bk-header__nav a:hover,.bk-header__nav a.is-active{background:#e8f0ed;color:var(--bk-ink)!important}.bk-header__actions{display:flex;align-items:center;justify-content:flex-end;gap:4px}.bk-header__action{min-height:42px;min-width:42px;display:inline-flex;align-items:center;justify-content:center;gap:7px;padding:0 10px;border-radius:999px;color:#31524e!important;text-decoration:none!important;font-size:13px;font-weight:700}.bk-header__action:hover{background:#e8f0ed}.bk-header__action svg{width:19px;height:19px}.bk-header__menu{position:relative}.bk-header__menu>summary{min-height:42px;display:inline-flex;align-items:center;gap:8px;padding:0 15px;border:1px solid #b7c6c1;border-radius:999px;color:var(--bk-ink);background:#fff;cursor:pointer;list-style:none;font-size:13px;font-weight:760}.bk-header__menu>summary::-webkit-details-marker{display:none}.bk-header__menu>summary svg{width:18px;height:18px}.bk-header__menu[open]>summary{background:#e8f0ed}.bk-header__panel{position:absolute;top:calc(100% + 12px);right:0;width:min(620px,calc(100vw - 40px));padding:26px;border:1px solid var(--bk-line);border-radius:20px;background:#fff;box-shadow:0 24px 70px #173b3929}.bk-header__panel-head{padding-bottom:18px;border-bottom:1px solid var(--bk-line)}.bk-header__panel-head strong{display:block;color:var(--bk-ink);font-size:18px}.bk-header__panel-head span{display:block;margin-top:5px;color:var(--bk-muted);font-size:13px;line-height:1.45}.bk-header__panel-grid{display:grid;grid-template-columns:1fr 1fr;gap:28px;padding-top:20px}.bk-header__panel h3{margin:0 0 10px;color:var(--bk-ink);font-size:12px;text-transform:uppercase;letter-spacing:.1em}.bk-header__panel a{display:block;padding:7px 0;color:#365753!important;text-decoration:none!important;font-size:14px;font-weight:650}.bk-header__panel a:hover{color:var(--bk-ink)!important;text-decoration:underline!important;text-underline-offset:4px}.bk-cart-count{min-width:18px;height:18px;display:inline-flex;align-items:center;justify-content:center;margin-left:-8px;margin-top:-18px;border-radius:50%;background:var(--bk-ink);color:#fff;font-size:10px;font-weight:800}.bk-hero{background:linear-gradient(180deg,#f8faf7,#eef4f1)}.bk-hero__inner{width:min(var(--bk-max),calc(100% - 40px));margin-inline:auto;padding:clamp(58px,8vw,108px) 0 clamp(64px,8vw,110px);display:grid;grid-template-columns:minmax(0,1.2fr) minmax(330px,.8fr);gap:clamp(42px,7vw,96px);align-items:center}.bk-hero__copy .bk-display{max-width:790px}.bk-finder{padding:28px;border:1px solid #cddbd6;border-radius:var(--bk-radius-lg);background:#ffffffe0;box-shadow:var(--bk-shadow)}.bk-finder__eyebrow{color:#56716c;font-size:12px;font-weight:800;letter-spacing:.08em;text-transform:uppercase}.bk-finder h2{margin:8px 0 0;color:var(--bk-ink);font-size:28px;line-height:1.1;letter-spacing:-.035em}.bk-finder p{margin:10px 0 0;color:var(--bk-muted);font-size:14px;line-height:1.55}.bk-finder__choices{display:grid;gap:9px;margin-top:22px}.bk-finder__choice{display:flex;align-items:center;justify-content:space-between;min-height:50px;padding:0 15px;border:1px solid var(--bk-line);border-radius:12px;background:#fff;color:var(--bk-ink-soft)!important;text-decoration:none!important;font-size:14px;font-weight:720}.bk-finder__choice:hover{border-color:#9fb5ae;background:#f6faf8}.bk-audience-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-top:34px}.bk-audience{padding:clamp(26px,4vw,42px);border:1px solid var(--bk-line);border-radius:var(--bk-radius-lg);background:#fff}.bk-audience--home{background:#f2f6f3}.bk-audience--school{background:#f5f1ea}.bk-audience__label{font-size:12px;font-weight:800;text-transform:uppercase;letter-spacing:.1em;color:#617772}.bk-audience h3{margin:8px 0 0;color:var(--bk-ink);font-size:30px;line-height:1.1;letter-spacing:-.035em}.bk-audience p{margin:10px 0 0;color:var(--bk-muted);line-height:1.55}.bk-audience__needs{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin-top:24px}.bk-audience__needs a{min-height:42px;display:flex;align-items:center;padding:0 13px;border-radius:10px;background:#ffffffc2;color:#365753!important;text-decoration:none!important;font-size:13px;font-weight:680}.bk-audience__needs a:hover{background:#fff;box-shadow:0 1px #173b3914}.bk-steps{counter-reset:bkstep;margin-top:34px}.bk-step{padding:26px;border-top:1px solid var(--bk-line)}.bk-step:first-child{border-top:0}.bk-step__top{display:flex;align-items:center;gap:12px}.bk-step__number{width:34px;height:34px;border-radius:50%;display:inline-flex;align-items:center;justify-content:center;background:var(--bk-sage);color:var(--bk-ink);font-weight:800;font-size:13px}.bk-step h3{margin:0;color:var(--bk-ink);font-size:19px}.bk-step p{margin:8px 0 0 46px;color:var(--bk-muted);line-height:1.55}.bk-access-card{min-height:220px}.bk-access-card__tag{width:fit-content;margin-bottom:18px;padding:6px 9px;border-radius:999px;background:var(--bk-sage);color:var(--bk-ink);font-size:11px;font-weight:800;letter-spacing:.03em}.bk-access-card--future{background:#f0f4f2}.bk-principles{display:grid;grid-template-columns:minmax(0,.85fr) minmax(0,1.15fr);gap:70px;align-items:start}.bk-principles__list{display:grid;gap:10px}.bk-principle{display:flex;gap:14px;padding:18px 0;border-top:1px solid rgba(255,255,255,.17)}.bk-principle:first-child{border-top:0}.bk-principle__mark{width:28px;height:28px;flex:0 0 auto;display:inline-flex;align-items:center;justify-content:center;border-radius:50%;background:#ffffff1f}.bk-principle strong{display:block;color:#fff;font-size:16px}.bk-principle span{display:block;margin-top:4px;color:#ffffffbd;font-size:14px;line-height:1.5}.bk-section--dark .bk-heading{color:#fff}.bk-section--dark .bk-lead{color:#ffffffc7}.bk-hub-hero{background:#f7faf8;border-bottom:1px solid var(--bk-line)}.bk-hub-hero__inner{width:min(var(--bk-max),calc(100% - 40px));margin-inline:auto;padding:70px 0 58px}.bk-hub-hero .bk-display{font-size:clamp(40px,5.5vw,68px);max-width:850px}.bk-hub-context{margin-top:26px;display:flex;flex-wrap:wrap;gap:8px}.bk-hub-context span{padding:8px 11px;border:1px solid var(--bk-line);border-radius:999px;background:#fff;color:#5f726e;font-size:12px;font-weight:700}.bk-needs-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px;margin-top:34px}.bk-need-card{min-height:180px}.bk-need-card__icon{width:38px;height:38px;display:inline-flex;align-items:center;justify-content:center;border-radius:12px;background:var(--bk-sage);color:var(--bk-ink);font-weight:800;font-size:13px}.bk-solution-levels{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px;margin-top:34px}.bk-solution-level{padding:28px;border:1px solid var(--bk-line);border-radius:var(--bk-radius);background:#fff}.bk-solution-level strong{display:block;color:var(--bk-ink);font-size:20px;letter-spacing:-.02em}.bk-solution-level p{margin:10px 0 0;color:var(--bk-muted);line-height:1.55}.bk-solution-level a{display:inline-flex;margin-top:20px;color:var(--bk-ink)!important;font-weight:750;text-decoration:none!important}.bk-material-search{margin-top:28px;display:flex;max-width:760px;border:1px solid #b8c9c3;border-radius:999px;background:#fff;overflow:hidden;box-shadow:0 10px 30px #173b390d}.bk-material-search input{flex:1;min-width:0;min-height:56px;padding:0 20px;border:0;background:transparent;color:var(--bk-text);font:inherit}.bk-material-search input:focus{outline:none}.bk-material-search button{min-width:110px;border:0;background:var(--bk-ink);color:#fff;font:inherit;font-weight:750;cursor:pointer}.bk-library-links{margin-top:34px;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}.bk-library-link{padding:28px;border-radius:var(--bk-radius);border:1px solid var(--bk-line);background:#fff}.bk-library-link h3{margin:0;color:var(--bk-ink);font-size:22px;letter-spacing:-.025em}.bk-library-link p{margin:9px 0 0;color:var(--bk-muted);line-height:1.55}.bk-library-page{background:var(--bk-bg);color:var(--bk-text);min-height:70vh}.bk-library-page__inner{width:min(var(--bk-max),calc(100% - 40px));margin-inline:auto;padding:54px 0 84px}.bk-library-head{padding-bottom:34px;border-bottom:1px solid var(--bk-line)}.bk-library-head h1{margin:0;max-width:900px;color:var(--bk-ink);font-size:clamp(38px,5vw,64px);line-height:1;letter-spacing:-.045em}.bk-library-head .rte{max-width:760px;margin-top:14px;color:var(--bk-muted)}.bk-library-toolbar{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:20px 0}.bk-library-count{color:#5f726e;font-size:14px;font-weight:700}.bk-library-sort{display:flex;align-items:center;gap:10px;color:#5f726e;font-size:13px;font-weight:700}.bk-library-sort select{min-height:42px;padding:0 36px 0 12px;border:1px solid var(--bk-line);border-radius:10px;background:#fff;color:var(--bk-text)}.bk-library-layout{display:grid;grid-template-columns:260px minmax(0,1fr);gap:34px;align-items:start}.bk-library-filters{position:sticky;top:20px;padding:20px;border:1px solid var(--bk-line);border-radius:var(--bk-radius);background:#fff}.bk-library-filters__title{margin:0 0 12px;color:var(--bk-ink);font-size:17px}.bk-filter-group{border-top:1px solid var(--bk-line)}.bk-filter-group:first-of-type{border-top:0}.bk-filter-group summary{padding:15px 0;display:flex;align-items:center;justify-content:space-between;gap:12px;list-style:none;cursor:pointer;color:var(--bk-ink);font-size:13px;font-weight:760}.bk-filter-group summary::-webkit-details-marker{display:none}.bk-filter-values{display:grid;gap:9px;padding:0 0 15px}.bk-filter-value{display:flex;align-items:center;gap:9px;color:#546965;font-size:13px}.bk-filter-value input{width:16px;height:16px;accent-color:var(--bk-ink)}.bk-filter-actions{display:flex;gap:8px;margin-top:14px}.bk-filter-actions button,.bk-filter-actions a{min-height:40px;flex:1;display:inline-flex;align-items:center;justify-content:center;border-radius:999px;font:inherit;font-size:12px;font-weight:760;text-decoration:none!important;cursor:pointer}.bk-filter-actions button{border:1px solid var(--bk-ink);background:var(--bk-ink);color:#fff}.bk-filter-actions a{border:1px solid var(--bk-line);background:#fff;color:var(--bk-ink)!important}.bk-active-filters{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:16px}.bk-active-filter{display:inline-flex;align-items:center;min-height:34px;padding:0 11px;border-radius:999px;background:#e7efeb;color:#31544f!important;text-decoration:none!important;font-size:12px;font-weight:700}.bk-resource-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px;list-style:none;margin:0;padding:0}.bk-resource-card{min-width:0;border:1px solid var(--bk-line);border-radius:var(--bk-radius);background:#fff;overflow:hidden}.bk-resource-card>a{height:100%;display:flex;flex-direction:column;color:inherit!important;text-decoration:none!important}.bk-resource-card__media{aspect-ratio:4/3;background:#e9efec;overflow:hidden}.bk-resource-card__media img{width:100%;height:100%;object-fit:cover;display:block;transition:transform .25s ease}.bk-resource-card:hover img{transform:scale(1.02)}.bk-resource-card__body{display:flex;flex:1;flex-direction:column;padding:18px}.bk-resource-card__badges{display:flex;flex-wrap:wrap;gap:6px;margin-bottom:12px}.bk-resource-card__badge{padding:5px 8px;border-radius:999px;background:#e7efeb;color:#45635e;font-size:10px;font-weight:800;letter-spacing:.035em;text-transform:uppercase}.bk-resource-card__badge--access{background:#f1eadf;color:#735d43}.bk-resource-card h3{margin:0;font-size:18px;line-height:1.27;letter-spacing:-.02em}.bk-resource-card__excerpt{margin:9px 0 0;color:var(--bk-muted);font-size:13px;line-height:1.5}.bk-resource-card__bottom{margin-top:auto;padding-top:18px;display:flex;align-items:center;justify-content:space-between;gap:10px}.bk-resource-card__price{color:var(--bk-ink);font-size:15px;font-weight:800}.bk-pagination{margin-top:34px;display:flex;justify-content:center;gap:10px}.bk-pagination a,.bk-pagination span{min-height:40px;display:inline-flex;align-items:center;padding:0 13px;border:1px solid var(--bk-line);border-radius:999px;background:#fff;color:var(--bk-ink)!important;text-decoration:none!important;font-size:13px}.bk-membership-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px;margin-top:34px}.bk-membership-card{padding:30px;border:1px solid var(--bk-line);border-radius:var(--bk-radius-lg);background:#fff}.bk-membership-card--featured{background:#edf4f1;border-color:#bfd1ca}.bk-membership-card__status{display:inline-flex;padding:6px 9px;border-radius:999px;background:#e7efeb;color:#45635e;font-size:10px;font-weight:800;text-transform:uppercase;letter-spacing:.06em}.bk-membership-card h3{margin:18px 0 0;color:var(--bk-ink);font-size:25px;letter-spacing:-.035em}.bk-membership-card p{margin:10px 0 0;color:var(--bk-muted);line-height:1.55}.bk-membership-card ul{margin:20px 0 0;padding:0;list-style:none;display:grid;gap:9px}.bk-membership-card li{position:relative;padding-left:19px;color:#506662;font-size:14px;line-height:1.45}.bk-membership-card li:before{content:"\2022";position:absolute;left:4px;color:#78978e;font-weight:900}.bk-product-page{background:var(--bk-bg);color:var(--bk-text)}.bk-product__inner{width:min(1120px,calc(100% - 40px));margin-inline:auto;padding:54px 0 88px;display:grid;grid-template-columns:minmax(0,1fr) minmax(380px,.82fr);gap:56px;align-items:start}.bk-product__media{position:sticky;top:24px}.bk-product__image{overflow:hidden;border:1px solid var(--bk-line);border-radius:var(--bk-radius-lg);background:#e9efec}.bk-product__image img{width:100%;height:auto;display:block}.bk-product__badges{display:flex;flex-wrap:wrap;gap:7px;margin-bottom:16px}.bk-product__badge{padding:6px 9px;border-radius:999px;background:#e7efeb;color:#45635e;font-size:10px;font-weight:800;letter-spacing:.045em;text-transform:uppercase}.bk-product__info 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