/* The Connected Sauna Lab | independent history and accessible technical field guide. */
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.sauna-lab-wrap{width:min(1160px,calc(100% - 42px));margin:0 auto}
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.sauna-lab h1{font-size:clamp(3rem,5.8vw,6.5rem);color:#fffaf0;margin:.5rem 0 1.1rem}
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.sauna-lab h1 em{color:#ffbf92}
.sauna-lab h2{font-size:clamp(2.15rem,3.65vw,3.6rem);margin:.15rem 0 1.25rem}
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.sauna-lab-evidence h3{font-size:1.8rem;color:#fffaf0}
.sauna-lab-evidence dl{margin:.8rem 0 0}
.sauna-lab-evidence dl>div{padding:.8rem 0;border-top:1px solid #48818a}
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.sauna-lab-lead{max-width:750px;margin-bottom:1.8rem}
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.sauna-lab-concept summary{display:flex;align-items:center;gap:1rem;list-style:none;min-height:114px;cursor:pointer;padding:1.2rem}
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.sauna-lab-plus{font-size:1.9rem;color:#7d512f;flex:none;transition:transform .15s}
.sauna-lab-concept[open] .sauna-lab-plus{transform:rotate(45deg)}
.sauna-lab-concept-details{border-top:1px solid #d8e6da;padding:1.25rem}
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.sauna-lab-concept-details p{font-size:.87rem;line-height:1.72;margin:.3rem 0 1.25rem}
.sauna-lab-limits{background:#fff2e5;border-left:4px solid #be7850;padding:.7rem .85rem;margin:.6rem 0}
.sauna-lab-concept-details .sauna-lab-source{font-size:.76rem;color:#526360;margin:.5rem 0 0}
.sauna-lab-source strong{font-size:.68rem;color:#8b552d}
.sauna-lab-source a{font-weight:850;color:#854322;text-decoration:underline;text-underline-offset:3px}
.sauna-lab-timeline{margin:2rem 0;position:relative}
.sauna-lab-timeline:before{content:"";position:absolute;top:.9rem;bottom:.9rem;left:135px;width:2px;background:#bdd9cf}
.sauna-lab-milestone{position:relative;display:grid;grid-template-columns:112px minmax(0,1fr);gap:3rem;align-items:start;margin-bottom:.8rem}
.sauna-lab-milestone:before{content:"";width:12px;height:12px;background:#0c6f79;border-radius:50%;position:absolute;top:1.6rem;left:130px;border:2px solid #d7eae1;z-index:1}
.sauna-lab-milestone-date{color:#95502d;font:900 1rem/1.4 ui-monospace,Consolas,monospace;padding-top:1.15rem;text-align:right}
.sauna-lab-milestone-copy{border:1px solid #d2dfd5;background:#fffefa;padding:1.2rem 1.5rem;border-radius:11px}
.sauna-lab-milestone-copy>span{font:900 .67rem/1.4 ui-monospace,Consolas,monospace;color:#9a5a37;letter-spacing:.05em}
.sauna-lab-milestone-copy h3{font-size:1.45rem;margin:.45rem 0 .5rem}
.sauna-lab-milestone-copy p{font-size:.88rem;margin:.45rem 0}
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.sauna-lab-compare article:nth-child(3){border-top-color:#678d81}
.sauna-lab-compare span{font:900 .65rem/1.5 ui-monospace,Consolas,monospace;color:#8e4d26;letter-spacing:.05em}
.sauna-lab-compare h3{font-size:1.7rem;margin:.6rem 0 .5rem}
.sauna-lab-compare p{font-size:.88rem;line-height:1.7}
.sauna-lab-caution{background:#e8efe8;border-left:4px solid #9e703c;border-radius:0 10px 10px 0;padding:1.1rem 1.25rem;font-size:.9rem}
.sauna-lab-section--end{background:#0a4350;color:#f4f3e8}
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.sauna-lab-section--end h2{color:#fff8ef}
.sauna-lab-section--end h2 em{color:#ffc598}
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.sauna-lab-section--end p{color:#dfece7}
.sauna-lab-section--end .sauna-lab-fine{font-size:.76rem;color:#c2d8d5;margin-top:2.6rem}
@media(max-width:900px){.sauna-lab-hero-grid{grid-template-columns:1fr 220px;gap:1.5rem}.sauna-lab-badge{min-height:250px}.sauna-lab-intro-grid{grid-template-columns:1fr}.sauna-lab-compare{grid-template-columns:1fr}}
@media(max-width:650px){.sauna-lab-wrap{width:calc(100% - 30px)}.sauna-lab-hero-grid{grid-template-columns:1fr}.sauna-lab-badge{max-width:430px;min-height:190px}.sauna-lab-concepts{grid-template-columns:1fr}.sauna-lab-milestone{display:block;padding-left:30px}.sauna-lab-milestone-date{display:block;text-align:left;padding:0 0 .5rem}.sauna-lab-timeline:before{left:10px}.sauna-lab-milestone:before{left:5px;top:1.4rem}.sauna-lab-milestone-copy{padding:1.05rem}.sauna-lab-actions{display:grid}.sauna-lab-actions a{text-align:center;justify-content:center}.sauna-lab h1{font-size:clamp(2.6rem,11vw,4rem)}}
@media(prefers-reduced-motion:reduce){.sauna-lab-plus{transition:none}}