/* This stylesheet loads only on /kids/: preserve its approved bright-blue palette, including the shared header accents. */
:root{--sky:#80d0ef;--blue-tint:#dff2fa;--blue-ink:#245b73;--tint:#eef8fc;--line:#cedfe7;--muted:#4d626c}
/* Kids: approved brand + bright blue, with Manubrium Lift grey-blue retained. */
.kids-page{--k-ink:var(--ink);--k-orange:var(--orange);--k-surface:var(--paper);--k-blue:var(--blue-tint);--k-grey-blue:var(--grey-blue);color:var(--k-ink);background:var(--k-surface);font-size:17px;line-height:1.65}

.kids-page *{box-sizing:border-box}
.kids-page h1,.kids-page h2,.kids-page h3{color:var(--k-ink);letter-spacing:-.045em;line-height:1.1;font-weight:700}
.kids-page h2{font-size:clamp(32px,3.6vw,48px);margin:0 0 22px}
.kids-page h3{font-size:30px;margin:0 0 12px}
.kids-page p{margin:0 0 18px}
.kids-page a:focus-visible,.kids-page button:focus-visible,.kids-page summary:focus-visible,.kids-page input:focus-visible,.kids-page [tabindex]:focus-visible{outline:3px solid #346b82;outline-offset:5px}
.kids-page button{font:inherit;cursor:pointer}
.kids-page summary:after{display:none}
.kids-page details p{padding-right:0}
.kids-page [hidden]{display:none!important}
.kids-page .k-overline{font-size:12px;letter-spacing:.13em;font-weight:750;margin-bottom:20px}
.kids-page .k-small{font-size:13px;line-height:1.65}
.k-hero{background:linear-gradient(115deg,#f1faff 15%,#dff2fa 65%,#b7e5f6);overflow:hidden}
.k-hero-grid{display:grid;grid-template-columns:.94fr 1.06fr;gap:60px;align-items:center;padding-top:65px;padding-bottom:56px}
.k-age{background:#fff;display:inline-flex;align-items:center;gap:9px;font-size:11px;letter-spacing:.12em;font-weight:750;border:1px solid #92a3ae;border-radius:30px;padding:7px 13px}
.k-age span{color:#346b82;font-size:17px}
.kids-page h1{font-size:clamp(42px,4.6vw,65px);line-height:1.02;margin:8px 0 24px}
.kids-page h1>span{display:block;font-size:clamp(78px,9.2vw,130px);color:var(--k-ink);letter-spacing:-.065em}
.k-title-dot{color:var(--k-orange)}
.kids-page .k-hero-line{font-size:25px;line-height:1.25;font-weight:650;letter-spacing:-.02em;margin-bottom:18px}
.k-hero-intro{max-width:430px;color:#405660}
.k-button{display:inline-flex;align-items:center;gap:40px;border-radius:12px;background:var(--charcoal);color:white;text-decoration:none;padding:14px 24px;font-weight:650;margin-top:8px;box-shadow:4px 4px 0 #f16726;transition:transform .18s}
.k-button:hover{transform:translateY(-2px);color:white;background:#254756}
.k-button span{color:#f16726;font-size:23px}
.k-grownup-link{display:block;font-size:12px;color:#405660;margin-top:22px;text-underline-offset:4px}
.k-guide{position:relative;text-align:center;min-width:0}
.k-guide img{width:100%;height:auto;display:block;border-radius:20px;border:7px solid white;box-shadow:0 16px 36px #121d2120}
.k-guide .k-hello{position:relative;z-index:1;display:inline-flex;gap:18px;align-items:center;background:var(--sky);border:2px solid var(--k-ink);box-shadow:3px 3px 0 var(--k-orange);padding:10px 20px;border-radius:12px;transform:rotate(-4deg);margin-bottom:-10px;font-size:17px;font-weight:700}
.k-guide .k-hello span{font-size:23px;line-height:1}
.k-guide p{font-size:12px;letter-spacing:.04em;margin:18px 0 0}
.k-hero-bottom{display:flex;justify-content:space-between;border-top:1px solid #aabfc9;padding:21px 0;font-size:13px;font-weight:650}
.k-hero-bottom>span{display:flex;align-items:center;gap:12px}.k-hero-bottom>span:before{content:"";display:inline-block;flex:0 0 23px;width:23px;height:23px;background:url("/assets/dr-posture-symbol.svg") center/contain no-repeat}
.k-intro{display:grid;grid-template-columns:.8fr 1.2fr;gap:80px;padding-top:82px;padding-bottom:80px}
.k-intro>div:nth-child(2){max-width:610px;padding-top:5px}
.k-intro-note{border-left:4px solid #f16726;padding-left:22px;font-weight:650;font-size:19px}
.k-explore{padding:65px 0 80px;background:var(--tint);border-top:1px solid #bfced6;border-bottom:1px solid #bfced6;scroll-margin-top:110px}
.k-section-heading{display:flex;justify-content:space-between;align-items:flex-end;gap:40px;margin-bottom:26px}
.k-section-heading h2{margin-bottom:0}
.k-section-heading>p{font-size:14px;max-width:220px;margin-bottom:4px}
.k-tabs{display:flex;gap:10px;margin:35px 0 24px}
.k-tabs button{display:flex;align-items:center;gap:10px;flex:1;background:#fff;border:1px solid #92a3ae;border-radius:12px;color:var(--k-ink);padding:15px 20px;font-weight:650;transition:background .15s}
.k-tabs button>span{font-size:11px;font-weight:700;opacity:.75}
.k-tabs button:hover{background:#dbe8ef}
.k-tabs button[aria-selected=true]{background:var(--charcoal);color:#fff;border-color:var(--charcoal);box-shadow:0 3px 0 var(--sky)}
.k-panel{display:grid;grid-template-columns:1fr 1.1fr;background:white;border-radius:24px;overflow:hidden;border:1px solid #bfced6;margin-top:24px}
.k-panel:focus{outline-offset:4px}
.k-scene{background:var(--blue-tint);display:flex;flex-direction:column;justify-content:center;align-items:center;min-width:0;padding:35px 18px}
#k-panel-screens .k-scene{background:#dbe8ef}
#k-panel-schoolbag .k-scene{background:#e2edf2}
.k-scene-label{font-size:10px;letter-spacing:.12em;font-weight:700}
.k-scene svg{width:100%;height:auto;max-width:480px}
.k-number circle{fill:#121d21;stroke:white;stroke-width:3}
.k-number text{fill:white;font-size:17px;font-family:inherit;font-weight:700}
.k-scene p{font-size:12px;text-align:center;margin:0}
.k-lesson{padding:42px 38px 32px}
.k-lesson .k-overline{color:#405660;font-size:11px;margin-bottom:12px}
.k-lesson-intro{font-size:15px;color:#405660}
.k-tips{margin:22px 0}
.k-tip{border-top:1px solid #d2dee4}
.k-tip:last-child{border-bottom:1px solid #d2dee4}
.k-tip summary{list-style:none;cursor:pointer;display:flex;align-items:center;gap:12px;font-size:16px;font-weight:700;line-height:1.3;padding:17px 0}
.k-tip summary::-webkit-details-marker{display:none}
.k-tip-number{display:flex;flex:0 0 28px;height:28px;border-radius:50%;background:#e3edf2;align-items:center;justify-content:center;font-size:13px}
.k-tip[open] .k-tip-number{background:#f16726}
.k-plus{margin-left:auto;font-size:22px;font-weight:400;line-height:1}
.k-tip[open] .k-plus{transform:rotate(45deg)}
.k-tip p{padding-left:40px;font-size:14px;line-height:1.7;margin-bottom:19px;color:#405660}
.kids-page .k-takeaway{display:flex;gap:13px;font-size:13px;line-height:1.6;margin:0}
.k-takeaway>span{color:#346b82;font-size:25px}
.k-move{padding:75px 0;background:linear-gradient(120deg,var(--charcoal),#254756);color:#ffffff}
.k-move-grid{display:grid;grid-template-columns:.8fr 1.2fr;gap:80px;align-items:center}
.k-move h2,.k-move h3{color:#fff}
.k-move h2{font-size:clamp(38px,4.2vw,58px)}
.k-move .k-overline{color:#dde8ef}
.k-move-grid>div:first-child>p{max-width:330px}
.k-move-grid>div:first-child>.k-small{color:#dde8ef}
.k-move-options{display:flex;gap:8px}
.k-move-options button{flex:1;background:transparent;color:#ffffff;border:1px solid #92a3ae;border-radius:12px;padding:13px 8px;font-size:12px;line-height:1.4;font-weight:650}
.k-move-options button>span{display:block;font-size:25px;margin-bottom:7px}
.k-move-options button:hover{background:#ffffff1a}
.k-move-options button[aria-pressed=true]{background:var(--sky);color:var(--charcoal);border-color:var(--sky)}
.k-move-message{min-height:234px;padding:24px 30px 25px;margin-top:16px;background:#213c48;border:1px solid #92a3ae;border-radius:18px}
.k-move-message h3{font-size:25px;margin:9px 0 12px;letter-spacing:-.025em}
.k-move-message p{font-size:15px;max-width:390px;margin:0;color:#ffffff}
.k-move-icon{font-size:27px;color:#f16726}
.kids-page .k-safety{font-size:12px;line-height:1.7;margin:15px 2px 0;color:#dde8ef}
.k-move :is(button,a):focus-visible{outline-color:#f16726}
.k-challenge{padding-top:85px;padding-bottom:70px;display:grid;grid-template-columns:.8fr 1.2fr;gap:80px;align-items:center}
.k-challenge-copy>p{max-width:330px}
.k-progress-label{display:flex;justify-content:space-between;max-width:330px;font-size:12px;font-weight:700;margin:28px 0 8px}
.k-progress-label>span:last-child{color:#346b82}
.k-challenge progress{width:100%;max-width:330px;height:10px;border:none;border-radius:10px;background:#dbe6ec;display:block;margin-bottom:15px;overflow:hidden;accent-color:#346b82}
.k-challenge progress::-webkit-progress-bar{background:#dbe6ec}
.k-challenge progress::-webkit-progress-value{background:#346b82;transition:width .25s}
.k-challenge progress::-moz-progress-bar{background:#346b82}
.k-checklist label{display:flex;align-items:flex-start;gap:18px;padding:24px 20px;margin-bottom:12px;border:1px solid #aabfc9;background:white;border-radius:14px;cursor:pointer}
.k-checklist label:nth-of-type(1){border-left:5px solid var(--sky)}
.k-checklist label:nth-of-type(2){border-left:5px solid #346b82}
.k-checklist label:nth-of-type(3){border-left:5px solid #f16726}
.k-checklist label:has(input:checked){background:var(--blue-tint);border-color:#346b82}
.k-checklist input{width:23px;height:23px;flex:0 0 23px;margin:3px 0 0;accent-color:#254756}
.k-checklist label strong{font-size:16px;display:block;font-weight:650;line-height:1.45}
.k-checklist label span span{display:block;color:#405660;font-size:13px;margin-top:5px}
.kids-page .k-encouragement{font-size:13px;margin:18px 4px 0;min-height:22px}
.k-reset{background:transparent;border:0;border-bottom:1px solid #346b82;color:#275c74;padding:4px 0;font-size:12px!important;margin:8px 4px 0}
.k-grownups{padding-bottom:50px;scroll-margin-top:110px}
.k-grownups>details{border:1px solid #bfced6;border-radius:15px;background:#e4eef3}
.k-grownups>details>summary{display:flex;justify-content:space-between;gap:20px;align-items:center;list-style:none;font-weight:650;font-size:16px;padding:24px 28px;cursor:pointer}
.k-grownups summary::-webkit-details-marker{display:none}
.k-grownups>details>summary>span:last-child{font-size:24px;line-height:1}
.k-grownups>details[open]>summary>span:last-child{transform:rotate(45deg)}
.k-grownups-content{display:grid;grid-template-columns:1fr 1fr;gap:45px;padding:10px 28px 28px}
.k-grownups-content h3{font-size:23px;letter-spacing:-.025em}
.k-grownups-content p,.k-grownups-content li{font-size:14px;line-height:1.8}
.k-grownups-content ul{padding-left:18px}
.k-grownups-content li{margin-bottom:10px}
.k-grownups-content a{color:#275c74;text-underline-offset:3px}
.k-last-word{text-align:center;border-top:1px solid #bfced6;padding:40px 0 55px}
.k-last-word>span{color:#346b82;font-size:31px}
.k-last-word p{font-size:24px;line-height:1.45;margin:13px 0 18px}
.k-last-word a{font-size:12px;color:#275c74;text-underline-offset:4px}
.k-nojs{font-size:13px}

.kids-page .k-brand-mark{display:inline-block;flex:0 0 auto;width:25px;height:25px;vertical-align:middle;background:url("/assets/dr-posture-symbol.svg") center/contain no-repeat}
.k-guide .k-hello .k-brand-mark{width:28px;height:28px}
.k-progress-label{align-items:center}
.k-last-word>.k-brand-mark{width:43px;height:43px}

@media(min-width:1101px) and (max-width:1250px){.site-header .header-cta{display:none}
}

@media(max-width:1100px){.k-hero-grid{gap:35px;padding-top:45px}
.k-intro,.k-move-grid,.k-challenge{gap:45px}
.k-lesson{padding:30px 25px}
.kids-page h3{font-size:27px}
.k-scene{padding:30px 12px}
.k-tabs button{padding:14px 15px;font-size:15px}
}

@media(max-width:760px){.kids-page{font-size:16px}
.kids-page .wrap{width:calc(100% - 40px)}
.k-hero-grid{grid-template-columns:1fr;gap:35px;padding-top:32px;padding-bottom:30px}
.k-hero-copy{max-width:500px}
.kids-page h1{font-size:47px;margin-top:9px;margin-bottom:20px}
.kids-page h1>span{font-size:91px}
.kids-page .k-hero-line{font-size:23px}
.k-hero-intro{font-size:16px}
.k-guide{width:100%;max-width:400px;justify-self:center}
.k-guide .k-hello{font-size:16px;padding:8px 18px}
.k-guide p{font-size:11px}
.k-hero-bottom{font-size:10px;gap:15px}
.k-hero-bottom span{flex:1;line-height:1.55}
.k-hero-bottom>span{display:flex;flex-direction:column;align-items:flex-start;gap:7px}.k-hero-bottom>span:before{margin:0}
.k-intro,.k-move-grid,.k-challenge{grid-template-columns:1fr;gap:20px}
.k-intro{padding-top:48px;padding-bottom:42px}
.k-intro h2 br{display:none}
.k-intro-note{font-size:17px;padding-left:17px}
.k-explore{padding:42px 0 45px;scroll-margin-top:90px}
.k-section-heading{display:block;margin-bottom:24px}
.k-section-heading>p{margin-top:16px;max-width:none}
.k-tabs{gap:6px;margin:24px 0 16px}
.k-tabs button{flex-direction:column;gap:5px;align-items:flex-start;font-size:12px;text-align:left;line-height:1.4;border-radius:9px;padding:11px 10px;min-height:70px}
.k-panel{grid-template-columns:1fr;border-radius:17px;margin-top:16px}
.k-scene{padding:20px 14px 16px}
.k-scene svg{max-width:330px;margin:-6px 0 -14px}
.k-scene p{font-size:11px}
.k-scene-label{font-size:9px}
.k-lesson{padding:26px 22px}
.kids-page h3{font-size:27px}
.k-lesson .k-overline{margin-bottom:12px}
.k-lesson-intro{font-size:14px}
.k-tip summary{font-size:15px}
.k-tip p{font-size:14px;padding-left:0}
.k-move{padding:46px 0}
.k-move h2 br{display:none}
.k-move-grid{gap:20px}
.k-move-grid>div:first-child>p{max-width:none}
.k-move-message{padding:24px 23px;min-height:245px}
.k-move-message h3{font-size:25px}
.k-challenge{padding-top:48px;padding-bottom:45px;gap:25px}
.k-challenge h2 br{display:none}
.k-challenge-copy>p{max-width:none}
.k-progress-label,.k-challenge progress{max-width:none}
.k-checklist label{padding:20px 16px;gap:14px}
.k-checklist label strong{font-size:15px}
.k-grownups{padding-bottom:35px;scroll-margin-top:90px}
.k-grownups>details>summary{padding:20px;font-size:15px}
.k-grownups-content{grid-template-columns:1fr;padding:4px 20px 20px;gap:20px}
.k-grownups-content h3{font-size:22px}
.k-last-word{padding:30px 0 40px}
}

@media(prefers-reduced-motion:reduce){.kids-page *{scroll-behavior:auto!important;transition:none!important;animation:none!important}
}