.si-first-steps{max-width:1120px;margin:auto;padding:40px 28px 56px;color:#243e59;line-height:1.75;font-size:18px}
.si-first-steps *{box-sizing:border-box}
.si-first-steps h1,.si-first-steps h2,.si-first-steps h3{color:#122a48;line-height:1.2;letter-spacing:-.02em}
.si-first-steps h1{font-size:clamp(42px,6vw,70px);margin:12px 0 20px}
.si-first-steps h2{font-size:clamp(27px,3.4vw,38px);margin:0 0 22px}
.si-first-steps h3{font-size:23px;margin:0 0 14px}
.si-first-steps p{margin:0 0 20px;max-width:78ch}
.si-first-intro{padding:28px 0 18px;border-bottom:1px solid #c6dfe4}
.si-first-kicker{color:#087f86;font-size:13px;font-weight:800;letter-spacing:.14em}
.si-first-steps .si-first-subtitle{font-size:clamp(23px,3vw,30px);line-height:1.4;color:#122a48;max-width:34ch}
.si-first-steps section{padding-top:44px;scroll-margin-top:110px}
.si-first-steps figure{margin:28px 0 0}
.si-first-steps figure img{display:block;width:100%;height:auto;border-radius:3px}
.si-first-steps a:not(.si-first-button){color:#086e75;text-underline-offset:4px}
.si-first-steps .si-first-button{display:inline-flex;align-items:center;justify-content:center;min-height:48px;padding:12px 21px;border:1px solid #087f86;border-radius:3px;background:#087f86;color:#fff;font:inherit;font-weight:700;line-height:1.4;text-decoration:none;cursor:pointer;max-width:100%}
.si-first-steps .si-first-button:hover{background:#066269;color:#fff}
.si-first-secondary{display:inline-block;margin:12px 0 0 16px;font-weight:700}
.si-first-steps :is(a,button,summary,textarea):focus-visible{outline:3px solid #7253b5;outline-offset:4px}
.si-first-steps details{border-bottom:1px solid #c6dfe4;padding:17px 0}
.si-first-steps details:first-of-type{border-top:1px solid #c6dfe4}
.si-first-steps summary{color:#122a48;font-size:20px;font-weight:700;cursor:pointer;padding:4px 4px 4px 0}
.si-first-steps details p{margin:16px 0 4px;padding-right:12px}
.si-first-note{margin:26px 0;padding:25px;border:1px solid #b9d9df;border-left:4px solid #087f86;background:#f1f8fb;border-radius:3px}
.si-first-note p:last-child{margin-bottom:0}
.si-first-steps ul{padding-left:24px;margin:0 0 22px}
.si-first-steps li{padding-left:3px;margin:0 0 9px;max-width:78ch}
.si-first-message{width:100%;max-width:78ch;padding:16px;border:1px solid #9ebbc7;border-radius:3px;background:#f5fafc;color:#243e59;font:inherit;line-height:1.6;resize:vertical;margin-bottom:15px}
.si-first-copy-status{min-height:1.75em;margin-top:12px!important}
.si-first-sources{margin-top:26px;padding-top:26px;border-top:1px solid #c6dfe4;font-size:15px;overflow-wrap:anywhere}
.si-first-sources h2{font-size:23px}
@media(max-width:767px){.si-first-steps{padding:22px 20px 36px;font-size:17px}.si-first-steps section{padding-top:32px}.si-first-intro{padding-top:12px}.si-first-steps h1{margin-top:8px}.si-first-note{padding:20px}.si-first-secondary{margin-left:0;display:block}.si-first-steps .si-first-button{width:100%}.si-first-message{font-size:16px}}
.si-rhythm-differences{margin:24px 0 0;padding:0;max-width:78ch}
.si-rhythm-differences dt{font-weight:700;color:#122a48;margin:20px 0 6px}
.si-rhythm-differences dd{margin:0 0 20px}
.si-rhythm-exercises{margin-top:28px}
.si-rhythm-exercises h3{margin-top:26px}
.si-rhythm figure+ h3{margin-top:28px}