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/* A brighter laboratory-inspired direction */
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/* An open, relaxed catalogue, with photographs at its heart. */
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/* Bring the supplied reference's warmth into Science Box's own layout. */
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@media(max-width:700px){.hero{display:block;padding:27px 22px;margin-top:10px;margin-bottom:17px;border-radius:24px;min-height:0}.hero h1{font-size:40px;line-height:1.15;max-width:430px;margin:0}.hero-copy .eyebrow{font-size:9px;line-height:1.5}.hero .lead{font-size:15px;margin:19px 0 22px}.hero .actions{gap:15px}.hero .button{font-size:13px;padding:13px 17px}.hero .text-link{font-size:12px}.hero-gallery{margin-top:28px;padding:14px 8px 17px;border-radius:18px}.hero-box img{height:100px}.hero-box figcaption{font-size:13px;gap:3px}.hero-box figcaption small{font-size:9px}.hero-boxes{gap:4px}.facts{gap:10px;grid-template-columns:1fr 1fr;padding-bottom:12px}.facts p,.facts p:first-child{padding:17px 18px;border-radius:17px}.facts strong{font-size:28px}.facts span{font-size:12px}#explore{border-radius:0}.hero .actions .text-link{max-width:120px}}
/* A shorter, easier-to-scan page. */
.hero{margin-bottom:0}.finder{padding-block:50px}.finder h2{margin-bottom:10px}.finder>div>p{margin-block:12px}.finder label{margin-top:18px}.recommendation{min-height:240px}.programme>img{height:225px}.card-body{padding-bottom:22px}.card-body p{margin-bottom:0}.section-heading{margin-bottom:25px}.section-heading>p{max-width:330px}.purchase-note{margin-top:18px}#explore{margin-top:40px;padding-top:45px;padding-bottom:40px}.experiment-level{display:none}.experiment-card-bottom p{min-height:0;margin-bottom:16px}.experiment-card-heading{min-height:120px}.complete{padding-block:50px}.complete-photos{padding:12px 10px 43px}.complete-photos img:first-child{width:57%;margin-bottom:-35px}.kit-summary{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin:22px 0}.kit-summary span{font-size:12px;color:#657a78}.kit-summary strong{display:block;font-size:30px;font-weight:600;color:#356e60;line-height:1.3}.kit-includes{font-size:14px;line-height:1.6;margin:20px 0 25px}.complete h2{font-size:36px}footer{border-top:1px solid #e3ebeb;padding-block:25px}footer p{display:none}
@media(max-width:700px){.finder{padding-block:40px;gap:20px}.recommendation{min-height:200px}.programme>img{height:210px}.programme .card-body{padding-bottom:22px}.section-heading h2{font-size:31px}#explore{padding-top:35px;margin-top:35px}.experiment-card-heading{min-height:0}.complete{padding-block:40px;gap:25px}.complete h2{font-size:31px}.kit-summary{gap:10px}.kit-summary strong{font-size:28px}.kit-summary span{font-size:11px}}
/* The user's bright Science Kits banner sets the explorer's palette. */
:root{--blue:#0758b9;--ink:#173552;--muted:#5e7384;--teal:#00aebf;--pink:#ed1673;--line:#dfe9f2}body{background:white}header{padding-block:20px;max-width:1440px}.brand-icon{background:#0758b9}.brand{color:#0758b9}nav a{color:#3f647e}.button{background:#0758b9}.button:hover{background:#004596}.text-link{color:#0758b9;border-color:#b9d6ef}.banner-hero{width:min(1440px,100%);margin:auto}.heading-banner-link{display:block;line-height:0}.heading-banner-link img{display:block;width:100%;height:auto}.heading-banner-link:focus-visible{outline-offset:-5px}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.mobile-banner-copy{display:none}.finder{padding-block:40px;grid-template-columns:1fr 1.15fr;gap:60px}.finder h2{font-size:34px;color:#0758b9}.finder>div>p{font-size:15px}.finder label{color:#355d7a}.finder select{border-color:#c4dcea;border-radius:12px}.recommendation{background:#eaf8fc;border:1px solid #d6edf5;min-height:210px;padding:25px 30px}.recommendation h3{color:#0758b9;font-size:28px}.recommendation .eyebrow{color:#008ea1;font-size:10px}.recommendation img{max-height:180px;object-fit:contain}.section-heading h2{font-size:34px;color:#0758b9}.programme,.programme.middle,.programme.upper{background:#fff8de;border-radius:20px;border-top:4px solid #ffce1b}.programme.middle{background:#e8f9fb;border-top-color:#00b6c4}.programme.upper{background:#fff0f7;border-top-color:#ed1673}.pill{background:#fff0ac;color:#795800}.middle .pill{background:#c8f2f6;color:#007b87}.upper .pill{background:#ffdbec;color:#b91659}.programme>img{height:185px}.card-body h3{color:#0758b9;font-size:28px}.card-body p{font-size:12px;color:#557087;line-height:1.6;margin-top:8px}.card-body{padding:0 24px 21px}#explore{background:#f1f9fd;margin-top:35px;border-radius:0;padding-top:40px}.experiment-filters button{background:#fff;border:1px solid #d5e8f4;color:#497189}.experiment-filters button.active{background:#0758b9;border-color:#0758b9}.experiment-card .experiment-tag{color:#009cae}.experiment-card[data-category=shapes] .experiment-tag{color:#d21673}.experiment-card[data-category=electricity] .experiment-tag{color:#0758b9}.experiment-card h3{color:#153b61}.experiment-card-heading{min-height:115px}.experiment-card{border-radius:20px}.experiment-art{height:225px}.experiment-open{color:#0758b9;border-color:#dfedf6}.experiment-detail .eyebrow{color:#0098a8}.experiment-meta span{background:#e2f5fb;color:#007e9b}.experiment-question{font-size:20px!important;font-weight:600;color:#0758b9!important;background:#ecf7fe;padding:17px 20px;border-radius:12px;margin-top:20px!important}footer{font-size:12px}.illustration-note{font-size:11px}.preview-note{color:#667d91}.dialog-heading .eyebrow{color:#0094a5}.dialog-heading h3{color:#0758b9}
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/* Normalise each real box's width, independently of the photo's white margins. */
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@media(max-width:700px){.programme .level-photo{grid-column:1;grid-row:1/3;width:100%;height:130px}.programme .level-photo img{height:auto;padding:0}}
.level-manuals{margin:0 24px 20px;border-top:1px solid #cddfea}.level-manuals summary{font-size:13px;font-weight:600;padding:14px 24px 4px 0;color:#0758b9}.level-manuals summary:after{font-size:21px;top:8px;right:1px}.level-manual-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:9px;padding-top:15px}.manual-cover-button{display:flex;flex-direction:column;align-items:center;gap:9px;border:0;padding:5px 0;background:none;color:#244761;min-width:0;text-align:center;border-radius:6px}.manual-cover-button img{width:100%;height:120px;object-fit:contain;mix-blend-mode:multiply;transition:transform .18s}.manual-cover-button:hover img{transform:translateY(-3px)}.manual-cover-button span{font-size:11px;line-height:1.4}.manual-overview{display:grid;grid-template-columns:1fr 1.1fr;gap:25px;align-items:center;padding:5px 30px 30px}.manual-overview>img{width:100%;height:340px;object-fit:contain}.manual-overview p{font-size:16px;line-height:1.65}.manual-overview .manual-availability{font-size:13px;color:#6a8091}.manual-overview .text-link{font-size:13px}.programme-grid{align-items:start}[hidden]{display:none!important}.dialog-heading form{margin:0}
@media(max-width:700px){.programme .level-manuals{grid-column:1/-1;margin:15px 0 0;align-self:start}.level-manuals summary{padding-top:13px;padding-bottom:2px;font-size:13px}.level-manual-grid{gap:12px;padding-top:15px}.manual-cover-button img{height:140px}.manual-cover-button span{font-size:12px}.manual-overview{grid-template-columns:1fr;gap:10px;padding:0 22px 25px}.manual-overview>img{height:260px}.manual-overview p{font-size:15px;margin:10px 0}.manual-overview .manual-availability{margin-block:15px}.manual-overview .text-link{display:inline-block;margin-top:5px}}

.box-buy{display:inline-flex;align-items:center;justify-content:center;margin-top:16px;padding:11px 24px;border-radius:999px;background:#075ee3;color:#fff;font-size:1rem;font-weight:700;text-decoration:none;min-height:44px}.box-buy:hover{background:#064ab2}.box-buy:focus-visible{outline:3px solid #ec258f;outline-offset:4px}

body{padding-left:150px}.side-tabs{position:fixed;left:0;top:0;bottom:0;width:150px;background:#f0f8ff;border-right:1px solid #d8e8f5;display:flex;flex-direction:column;gap:12px;padding:120px 12px 20px;z-index:20}.side-tabs a{display:flex;flex-direction:column;align-items:center;gap:10px;padding:20px 8px;color:#315678;text-align:center;text-decoration:none;border-radius:16px;font-size:14px;font-weight:700}.side-tabs svg{width:28px;height:28px}.side-tabs a[aria-current="page"]{background:#075ee3;color:white}.side-tabs a:hover{box-shadow:0 0 0 2px #39c4ea}.side-tabs a:focus-visible{outline:3px solid #ed248f;outline-offset:3px}#explore.site-panel{padding-top:48px;min-height:70vh}@media(max-width:700px){body{padding-left:0;padding-bottom:84px}.side-tabs{top:auto;bottom:0;right:0;width:100%;height:76px;flex-direction:row;justify-content:center;padding:8px 12px;border-right:0;border-top:1px solid #d8e8f5}.side-tabs a{flex:1;flex-direction:row;justify-content:center;padding:12px;gap:8px;font-size:14px}.side-tabs svg{width:23px;height:23px}}

.card-body .purchase-options{font-size:14px;line-height:1.55;margin-top:12px;color:#315678}.complete-kit{grid-column:1/-1;display:grid;grid-template-columns:1fr 1fr;align-items:center;background:#eff9ff;border:1px solid #c3e6f6}.complete-kit .card-top{grid-column:1/-1}.complete-kit-photos{display:flex;align-items:center;gap:8px;padding:24px;min-width:0}.complete-kit-photos img{width:calc((100% - 16px)/3);height:160px;object-fit:contain;mix-blend-mode:multiply}.complete-kit .card-body{padding:20px 24px 26px}.complete-kit .kit-contents{font-size:18px;font-weight:700;color:#0758b9}.complete-kit .card-body p{font-size:14px;line-height:1.6}@media(max-width:700px){.complete-kit{display:block}.complete-kit-photos{padding:12px 20px}.complete-kit-photos img{height:125px}.complete-kit .card-body{padding:10px 24px 26px}.card-body .purchase-options{font-size:14px}}

.book-select-label{display:block;font-size:16px;font-weight:700;margin-bottom:12px}#experiment-book{display:block;width:100%;max-width:540px;padding:16px;border:2px solid #b9dbee;border-radius:14px;background:white;color:#173a5b;font:inherit}#book-selection-note{margin:22px 0 30px;color:#476781}.living-example{padding:28px}.living-example h3{margin:18px 0;font-size:26px}.living-example p{font-size:16px;line-height:1.65}

.book-picker{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;margin:28px 0 36px}.book-grade{padding:22px 16px;background:#f0f8ff;border-radius:20px;min-width:0}.book-grade h3{font-size:24px;color:#0758b9;margin:0 0 22px}.book-grade h3>span{display:block;margin-top:7px;font-size:14px;font-weight:500;color:#476781}.book-cover-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:8px}.experiment-book-cover{border:2px solid transparent;background:white;border-radius:10px;padding:10px 6px;display:flex;flex-direction:column;align-items:center;gap:12px;cursor:pointer;color:#254560;min-width:0}.experiment-book-cover img{width:100%;height:145px;object-fit:contain}.experiment-book-cover span{font-size:14px;line-height:1.4;font-weight:600}.experiment-book-cover:hover{border-color:#39c4ea}.experiment-book-cover[aria-pressed="true"]{border-color:#ec258f;background:#fff4fb}.experiment-book-cover:focus-visible{outline:3px solid #075ee3;outline-offset:3px}#book-selection-note{scroll-margin-top:110px}@media(max-width:1100px){.book-picker{grid-template-columns:1fr}.experiment-book-cover img{height:190px}}@media(max-width:700px){.book-grade{padding:20px 12px}.experiment-book-cover img{height:140px}.book-picker{gap:18px}.experiment-book-cover span{font-size:14px}}

.living-example .experiment-art{width:calc(100% + 56px);max-width:none;margin:0 -28px 20px;height:240px;object-fit:cover}

.complete-kit-photos .complete-product-image{width:100%;height:auto;max-height:340px;object-fit:contain;mix-blend-mode:normal}.complete-kit-photos{background:white;border-radius:16px;margin:12px 20px;padding:12px}

.complete-kit-photos{display:block}.complete-box-crop{aspect-ratio:5/1;overflow:hidden}.complete-box-crop img{display:block;width:100%;height:auto;max-height:none;transform:translateY(-21.5%);mix-blend-mode:normal}.complete-manual-strip{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:8px;padding-top:5px}.complete-manual-group{display:flex;gap:3px}.complete-manual-group img{width:calc((100% - 6px)/3);height:auto;object-fit:contain;mix-blend-mode:normal}

.programme .level-photo img{width:100%;height:100%;top:0;left:0;transform:none;object-fit:contain;mix-blend-mode:normal}.box-photo-choices{display:flex;justify-content:center;gap:8px;margin:0 18px 18px}.box-photo-choices button{padding:8px 12px;background:white;border:1px solid #bad9ed;border-radius:999px;font-size:14px;color:#315678;cursor:pointer}.box-photo-choices button[aria-pressed="true"]{background:#075ee3;color:white;border-color:#075ee3}.box-photo-choices button:focus-visible{outline:3px solid #ec258f;outline-offset:3px}.complete-real-boxes{display:flex;gap:8px}.complete-real-boxes img{width:calc((100% - 16px)/3);height:auto;object-fit:contain;mix-blend-mode:normal}@media(max-width:700px){.box-photo-choices{grid-column:1/-1;margin:12px 0}}

.box-order-options{display:flex;flex-direction:column;align-items:stretch;gap:10px;margin-top:16px}.box-order-options .box-buy{margin-top:0;padding:11px 14px;font-size:14px;text-align:center}.box-order-options .box-only{background:white;color:#075ee3;border:1px solid #075ee3}.box-order-options .box-only:hover{background:#eff7ff}

.manual-pack-order{display:block;text-align:center;padding:10px 8px;color:#0758b9;font-size:14px;font-weight:600;text-underline-offset:4px;min-height:44px}.manual-pack-order:hover{color:#ec258f}.manual-pack-order:focus-visible{outline:3px solid #ec258f;outline-offset:3px;border-radius:8px}

.contents-link{display:inline-block;color:#0758b9;font-size:15px;margin-top:10px;text-underline-offset:4px}.contents-page{padding:0}.contents-main{max-width:1100px;padding-block:36px 70px}.contents-intro{display:grid;grid-template-columns:1.2fr 1fr;gap:40px;align-items:center;margin:35px 0}.contents-intro h1{font-size:clamp(30px,4vw,48px);line-height:1.15;margin:15px 0}.contents-intro img{width:100%;height:330px;object-fit:contain}.contents-kit-note{background:#eff8ff;padding:18px;border-radius:14px;font-size:16px}.contents-topic{margin:30px 0;padding:28px;border:1px solid #d4e7f3;border-radius:20px}.contents-topic h2{font-size:27px;margin-bottom:12px}.contents-manual-note{color:#0758b9;font-weight:600}.contents-topic ul{padding-left:22px;columns:2;column-gap:40px}.contents-topic li{font-size:16px;line-height:1.65;margin:0 0 12px;break-inside:avoid}.contents-orders{display:flex;gap:12px;flex-wrap:wrap}@media(max-width:700px){.contents-intro{grid-template-columns:1fr;gap:15px}.contents-topic{padding:22px}.contents-topic ul{columns:1}.contents-intro img{height:290px}}

.card-primary-actions{display:flex;flex-direction:column;gap:10px;margin-top:20px}.see-inside,.preorder-open{display:flex;justify-content:center;align-items:center;min-height:46px;padding:12px 16px;border-radius:999px;font-size:15px;font-weight:700;text-decoration:none}.see-inside{background:#075ee3;color:white;border:1px solid #075ee3}.preorder-open{background:white;color:#075ee3;border:1px solid #075ee3;cursor:pointer}.see-inside:hover{background:#064ab2}.preorder-open:hover{background:#eff8ff}.see-inside:focus-visible,.preorder-open:focus-visible{outline:3px solid #ec258f;outline-offset:3px}.box-photo-choices{gap:10px;margin-bottom:12px}.box-photo-choices button{width:48px;height:44px;padding:3px;border-radius:9px;background:white!important}.box-photo-choices button img{width:100%;height:100%;object-fit:contain}.box-photo-choices button[aria-pressed="true"]{border:2px solid #075ee3}.preorder-options{padding:0 28px 28px;display:flex;flex-direction:column;gap:12px}.preorder-options .box-buy{margin:0}.contents-manual-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}.contents-manual-grid a{display:flex;flex-direction:column;align-items:center;gap:10px;text-align:center;color:#0758b9}.contents-manual-grid img{width:100%;height:220px;object-fit:contain}.contents-manual-grid small{font-size:14px}@media(max-width:700px){.contents-manual-grid{gap:10px}.contents-manual-grid img{height:145px}.contents-manual-grid span{font-size:14px}.card-primary-actions{margin-top:16px}}

.complete-contents-link{margin-top:15px;max-width:280px}.full-kit-intro{margin:35px 0}.full-kit-intro h1{font-size:clamp(32px,4vw,48px);line-height:1.2}.full-level{margin-top:45px;padding-top:25px;border-top:3px solid #39c4ea}.full-level-heading{display:flex;align-items:center;justify-content:space-between;gap:20px}.full-level-heading h2{font-size:32px}.full-level-heading img{width:220px;height:170px;object-fit:contain}@media(max-width:700px){.full-level-heading img{width:130px;height:130px}.full-level-heading h2{font-size:26px}}

header .brand{display:flex;align-items:center;flex-shrink:0}header .header-logo{display:block;width:86px;height:78px;object-fit:contain}header{min-height:96px}@media(max-width:700px){header .header-logo{width:70px;height:64px}header{min-height:80px}}

.view-prices{display:inline-flex;align-items:center;gap:5px;flex-shrink:0;background:white;border:1px solid #cbdfee;border-radius:999px;color:#0758b9;font-size:12px;font-weight:700;line-height:1.3;padding:7px 11px;white-space:nowrap}.view-prices:hover{background:#eaf5ff;border-color:#075ee3}.programme .card-top{gap:8px}.price-dialog-note{padding:0 28px;margin:0 0 20px;font-size:14px;line-height:1.6}@media(max-width:700px){.programme .card-top{flex-wrap:wrap}.view-prices{font-size:11px;padding:6px 9px}}

.preorder-options a{display:flex;align-items:center;justify-content:space-between;gap:20px;text-align:left}.preorder-options a strong{font-size:20px;white-space:nowrap;font-weight:800}.preorder-options a span{font-size:14px}@media(max-width:420px){.preorder-options a{gap:10px}.preorder-options a strong{font-size:18px}}