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h2{font-size:56px}.studies-heading>.eyebrow{font-size:12px}.studies-heading>p{font-size:12px}.study-layout{grid-template-columns:1fr;gap:25px;margin-top:30px}.study-buttons{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:15px;border-top:0}.study-buttons button{border-top:1px solid var(--line);display:block;padding:14px 0;font-size:19px}.study-buttons button span{display:block;margin-bottom:10px;font-size:12px}.study-view figcaption{font-size:12px;padding:13px}.study-note{font-size:12px;max-width:48ch;margin-top:16px}.invitation{padding-block:45px}.invitation h2{font-size:53px}.invitation .eyebrow{font-size:12px}.invitation-bottom{align-items:stretch;gap:25px}.invitation-bottom>p{font-size:12px;align-self:center}.invitation .electric-cta{width:45%;flex:none}.footer-top{grid-template-columns:1fr 1.4fr;gap:25px}.footer-top>span{font-size:27px}.footer-top>div{font-size:12px}.footer-top .micro{font-size:12px}.footer-top>a{grid-column:1/-1;padding-top:15px;border-top:1px solid var(--line)}.footer-bottom{grid-template-columns:1fr;gap:15px;font-size:12px;margin-top:25px}dialog{padding:39px 24px 25px}dialog h2{font-size:43px}input,select,textarea{font-size:16px}}@media(max-width:390px){:root{--g:20px}.hero-top .micro{max-width:118px}.hero h1{font-size:56px}.hero-bottom{display:block}.hero-bottom>p{max-width:32ch}.hero-bottom .electric-cta{margin-top:25px;width:100%;max-width:330px}.hero-bottom .electric-cta br{display:none}.hero-art figcaption{font-size:12px;gap:12px}.care-main h2{font-size:45px}.studies-heading{display:block}.studies-heading>p{margin-top:20px;font-size:12px}.studies-heading>p br{display:none}.invitation h2{font-size:46px}.invitation-bottom{display:block}.invitation-bottom>p{font-size:12px}.invitation .electric-cta{width:100%;margin-top:23px}.footer-top{grid-template-columns:1fr}.footer-top>a{grid-column:auto}dialog{padding-inline:20px}dialog h2{font-size:39px}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{transition:none!important;animation:none!important}}
/* design-quality v1: readable support and phrase-aware display composition. */
.hero h1{max-width:16ch;font-size:clamp(4.375rem,1rem + 8vw,9.0625rem);text-wrap:initial}
.headline-phrase{display:block}
.hero-bottom>p{font-size:1rem;line-height:1.8;max-width:40ch}
.care-main h2{max-width:18ch}
#categoryDescription,.section-label>p:last-child,.invitation-bottom>p{font-size:.9375rem;line-height:1.8}
#serviceList li,.category-tabs button,.header nav,.header nav button,.line-cta,.electric-cta{font-size:.875rem}
.studies-heading>p,.study-note,.hero-art figcaption,.study-view figcaption,.footer-bottom,.footer-top>div,.footer-top .eyebrow,.footer-top .micro{font-size:.75rem;line-height:1.8}
.footer-bottom>p{max-width:70ch}
.hero-top>p,.footer-top>*{min-width:0}
@media(max-width:760px){.hero h1{font-size:clamp(2.6rem,1.5rem + 6vw,4.5rem);max-width:none}.hero-top{gap:22px}.hero-top .micro{max-width:16ch}.hero-bottom>p{font-size:1rem}.hero-art figcaption{flex-wrap:wrap;gap:5px 20px}.study-note{max-width:52ch}.care-main h2{font-size:clamp(2.5rem,1.5rem + 5vw,3.4rem)}}

/* Task10 fresh rendered QA: keep instrument study controls readable at narrow widths. */
@media(max-width:390px){.study-buttons{display:flex;flex-direction:column;gap:0}.study-buttons button{display:flex;justify-content:space-between;align-items:center;gap:20px}.study-buttons button span{margin-bottom:0}}

/* Keep inactive study labels readable; use an underline for selection. */
.study-buttons button{opacity:1}
.study-buttons button[aria-pressed=true] strong{text-decoration:underline;text-underline-offset:.25em;text-decoration-thickness:1px}

/* Essential input boundaries use the readable muted role, not decorative dividers. */
dialog input:not([aria-invalid=true]),dialog select:not([aria-invalid=true]),dialog textarea:not([aria-invalid=true]){border-color:var(--muted)}
