.afib-visual-page{background:#f6f5ef;color:#143345}.afib-visual-page main{padding-bottom:64px}.afib-visual-page .wrap{width:calc(100% - 40px);max-width:1120px}.afib-visual-intro{padding-top:32px;padding-bottom:32px}.afib-visual-intro h1{max-width:1050px;margin:14px 0 18px;letter-spacing:-.035em}.afib-visual-intro .lead{max-width:790px;margin-bottom:24px}.afib-visual-intro .eyebrow,.afib-visual-lesson>.eyebrow{color:#73521f;font-weight:700;letter-spacing:.08em}.afib-visual-jumps{display:flex;flex-wrap:wrap;gap:10px}.afib-visual-jumps a{display:block;border:1px solid #c7d6d7;background:#fff;border-radius:10px;padding:12px 16px;color:#123747;font-weight:700;text-decoration:none;min-height:48px}.afib-visual-jumps a:hover{background:#e9f2f1}.afib-visual-lessons{display:grid;gap:28px}.afib-visual-lesson{padding:32px;border:1px solid #d8ded7;border-radius:18px;background:#fff;scroll-margin-top:20px;min-width:0}.afib-visual-lesson h2{margin:8px 0 12px;max-width:930px}.afib-visual-subtitle{color:#46616c;margin-bottom:24px}.afib-visual-layout{display:grid;grid-template-columns:minmax(0,.85fr) minmax(0,1.15fr);gap:28px;align-items:start}.afib-visual-page figure{margin:0;min-width:0}.afib-visual-page figure img{display:block;width:100%;height:auto;object-fit:contain;border-radius:10px;background:#061a2d}.afib-visual-page .afib-visual-heart img{height:450px}.afib-visual-page figcaption{margin-top:12px;color:#4b626c;text-align:left}.afib-visual-explanation figure{margin-bottom:22px}.afib-visual-explanation p{margin:0 0 16px}.afib-visual-takeaway{background:#eaf3f1;border-left:4px solid #146778;padding:16px 18px;border-radius:0 8px 8px 0}.afib-visual-wide{max-width:980px;margin:0 auto 24px!important}.afib-visual-short-copy{max-width:920px}.afib-visual-short-copy p{margin-bottom:14px}.afib-visual-next{padding:8px 0 0}.afib-visual-next h2{margin:8px 0 18px}.afib-visual-actions{display:flex;flex-wrap:wrap;gap:14px}.afib-visual-actions .button{white-space:normal;min-height:52px;text-align:center}.afib-simple-return{padding-top:24px}.afib-simple-return a{display:inline-block;min-height:44px;padding-block:8px;font-weight:700;color:#146778}.afib-visual-page a:focus-visible{outline:3px solid #a36d18;outline-offset:4px}@media(max-width:760px){.afib-visual-page .wrap{width:calc(100% - 28px)}.afib-visual-intro{padding-top:24px}.afib-visual-lessons{gap:20px}.afib-visual-lesson{padding:22px 18px;border-radius:14px}.afib-visual-layout{grid-template-columns:minmax(0,1fr);gap:22px}.afib-visual-page .afib-visual-heart img{height:auto;max-height:430px}.afib-visual-jumps{display:grid;grid-template-columns:minmax(0,1fr)}.afib-visual-actions{flex-direction:column}.afib-visual-actions .button{width:100%}.afib-visual-takeaway{padding:14px}.afib-visual-page .reading-toolbar{width:calc(100% - 28px)}}@media print{.afib-visual-jumps,.afib-visual-next{display:none}.afib-visual-page{background:white}.afib-visual-lesson{break-inside:avoid;border:0;padding:16px 0}.afib-visual-page .afib-visual-heart img{height:280px}}
.afib-visual-intro .lead{color:#46616c}.afib-visual-intro .back-link{color:#146778}

.afib-visual-resources{margin:24px 0;padding:20px;background:#eaf3f1;border:1px solid #c7d6d7;border-radius:12px}.afib-visual-references{padding-top:8px}@media(max-width:760px){.afib-visual-resources{padding:16px;margin:20px 0}}@media print{.afib-visual-resources{display:none}}

.afib-visual-bottom-resources{margin-top:30px}.afib-visual-bottom-resources h2{margin-bottom:16px}@media print{.afib-visual-bottom-resources{display:none}}

.afib-visual-page figure.afib-normal-first{max-width:640px;margin:0 auto 30px}.afib-visual-page .afib-normal-first img{height:450px}@media(max-width:760px){.afib-visual-page .afib-normal-first img{height:auto;max-height:430px}}

/* Give the typical flutter circuit a full-width, phone-friendly view. */
#what-is-flutter .afib-visual-layout{grid-template-columns:minmax(0,1fr)}
#what-is-flutter .afib-visual-heart{width:100%;max-width:640px;margin-inline:auto}
#what-is-flutter .typical-flutter-figure{width:100%;max-width:980px;margin-inline:auto}
#what-is-flutter .typical-flutter-figure img{width:100%;height:auto;max-height:none}
#what-is-flutter .flutter-enlarge{display:inline-block;min-height:44px;padding:10px 0;color:#146778;font-weight:700}
@media(max-width:760px){#what-is-flutter .typical-flutter-figure{width:calc(100% + 36px);max-width:none;margin-inline:-18px}#what-is-flutter .typical-flutter-figure img{border-radius:0}#what-is-flutter .typical-flutter-figure figcaption,#what-is-flutter .flutter-enlarge{margin-inline:18px}}