@charset "UTF-8";
:root{--paper:#f7f7ef;--ink:#1d2c25;--muted:#62685f;--line:#d9ded0;--lime:#d4eb8b;--lilac:#e4def8;--sage:#e6ecdc;--blue:#e1e7f3;--peach:#f3e4d2;--dark:#17271f;--serif:Georgia,"Times New Roman",serif;--sans:-apple-system,BlinkMacSystemFont,"Segoe UI",Arial,sans-serif}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:105px}body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--sans);font-size:16px;line-height:1.65;-webkit-font-smoothing:antialiased}a{color:inherit}button,summary,a{-webkit-tap-highlight-color:transparent}button{font:inherit}button,a,summary{touch-action:manipulation}img{display:block;max-width:100%;height:auto}svg{flex-shrink:0}figure{margin:0}h1,h2,h3,p{margin-top:0}h1,h2{font-family:var(--serif);font-weight:400;letter-spacing:-.055em;line-height:1.04}h1 em,h2 em{font-weight:400;color:#5d7056}h1{font-size:clamp(50px,5.5vw,84px);margin-bottom:26px}h2{font-size:clamp(39px,4vw,60px);margin-bottom:24px}h3{font-weight:500;letter-spacing:-.035em;line-height:1.2}p{margin-bottom:22px}.shell{max-width:1280px;width:calc(100% - 112px);margin-left:auto;margin-right:auto}.eyebrow{font-size:11px;letter-spacing:.14em;font-weight:650;line-height:1.6;text-transform:uppercase;margin-bottom:22px}.micro{font-size:12px;color:var(--muted);line-height:1.6}.small{font-size:14px}.lilac{background:var(--lilac)}.sage{background:var(--sage)}.blue{background:var(--blue)}.peach{background:var(--peach)}[hidden]{display:none!important}::selection{background:#c9e28c;color:var(--ink)}:focus-visible{outline:3px solid #5b7354;outline-offset:5px;border-radius:4px}.skip{position:fixed;left:20px;top:-100px;background:var(--ink);color:white;padding:12px 20px;z-index:100}.skip:focus{top:12px}
.site-header{height:100px;border-bottom:1px solid var(--line);position:relative;z-index:10;background:var(--paper)}.header-inner{display:flex;align-items:center;justify-content:space-between;height:100%;gap:30px}.brand{display:flex;align-items:center;gap:10px;font-size:29px;font-weight:600;letter-spacing:-1.8px;text-decoration:none;line-height:1.1}.brand img{border-radius:10px}.brand-period{color:#738859;margin-left:-9px}.desktop-nav{display:flex;align-items:center;gap:28px;margin-left:auto;margin-right:16px}.desktop-nav a{font-size:13px;text-decoration:none;white-space:nowrap}.desktop-nav a:hover,.footer-links a:hover{color:#526d40}.desktop-nav .language{font-size:11px;letter-spacing:.08em;border-left:1px solid var(--line);padding-left:25px}.header-actions{display:flex;align-items:center;gap:20px}.button{display:inline-flex;align-items:center;justify-content:center;gap:12px;background:var(--ink);color:var(--paper);font-size:13px;text-decoration:none;padding:17px 23px;border-radius:7px;line-height:1.25;min-height:53px;transition:background .15s,transform .15s}.button:hover{background:#35513c;transform:translateY(-1px)}.button-small{padding:12px 17px;min-height:44px;font-size:12px;gap:9px}.button-small .button-arrow{display:none}.button-small>svg:first-child{width:17px;height:17px}.text-link{display:inline-flex;align-items:center;gap:12px;text-decoration:none;font-size:13px;font-weight:550;min-height:44px}.text-link:hover{text-decoration:underline;text-underline-offset:5px}.mobile-menu{display:none}
.hero{display:grid;grid-template-columns:1.12fr 1fr;gap:32px;align-items:center;padding-top:66px;padding-bottom:42px;min-height:706px}.hero-copy{position:relative;z-index:2}.hero .eyebrow{display:flex;align-items:center;gap:10px;font-size:10px}.status-dot{width:7px;height:7px;border-radius:50%;background:#7b9458;display:inline-block}.hero-lead{font-size:17px;line-height:1.75;color:var(--muted);max-width:510px}.hero-buttons{display:flex;gap:26px;align-items:center;margin-top:30px;flex-wrap:wrap}.hero-copy>.micro{margin:16px 0 0}.hero-figure{min-width:0;text-align:center}.hero-stage{position:relative;height:545px}.halo{position:absolute;inset:58px -12px 25px;border-radius:50%;background:#e8ecdf}.halo:before{content:"";position:absolute;inset:-27px;border:1px solid #dee4d3;border-radius:50%}.stage-label{position:absolute;top:8px;left:55%;white-space:nowrap;transform:translateX(-50%);font-size:9px;letter-spacing:.19em;color:#75826c}.phone{position:absolute;top:34px;left:50%;transform:translateX(-55%) rotate(-7deg);width:222px;padding:6px;background:#242822;border:1px solid #5c6057;border-radius:35px;box-shadow:18px 35px 50px #27312328}.phone img{border-radius:29px}.watch{position:absolute;right:6px;bottom:44px;transform:rotate(8deg);width:139px;background:#111714;padding:6px;border:2px solid #4c5148;border-radius:32px;box-shadow:10px 16px 30px #17271f28}.watch:before,.watch:after{content:"";position:absolute;left:35px;right:35px;height:24px;background:#343d34;z-index:-1}.watch:before{top:-22px;border-radius:13px 13px 0 0}.watch:after{bottom:-22px;border-radius:0 0 13px 13px}.watch img{border-radius:23px}.floating-pill{position:absolute;display:flex;gap:9px;align-items:center;background:#fffef8;padding:14px 17px;border:1px solid #dfe3d6;border-radius:12px;box-shadow:0 8px 25px #28342709;font-size:11px;white-space:nowrap;z-index:2}.pill-top{left:-18px;top:97px;transform:rotate(-5deg)}.pill-top svg{color:#727554}.pill-bottom{bottom:29px;left:12px;transform:rotate(3deg)}.pill-bottom svg{color:#847055}.hero-figure figcaption{font-size:10px;color:var(--muted);position:relative;margin-top:6px}.compatibility{border-top:1px solid var(--line);border-bottom:1px solid var(--line);min-height:90px;display:flex;align-items:center;gap:38px;font-size:14px}.compatibility>span{font-size:12px;color:var(--muted);margin-right:auto}.compatibility>div{display:flex;gap:9px;align-items:center;font-weight:550;white-space:nowrap}.compatibility>small{font-size:10px;color:var(--muted);margin-left:auto}.whoop-word{font-style:italic;font-weight:750!important;letter-spacing:.05em}
.section{padding-top:108px;padding-bottom:108px}.section-heading{display:flex;gap:45px;align-items:flex-end;justify-content:space-between;margin-bottom:45px}.section-heading h2{margin:0}.section-heading>.text-link{margin-bottom:3px;flex-shrink:0}.section-heading>p{max-width:310px;color:var(--muted);font-size:15px;margin-bottom:3px}.feature-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:19px}.feature{padding:30px 30px 25px;min-height:438px;border-radius:13px;display:flex;flex-direction:column;overflow:hidden}.feature>.eyebrow{font-size:10px;letter-spacing:.12em;margin-bottom:7px}.feature-art{height:118px;display:flex;align-items:center;justify-content:flex-end;position:relative;margin-bottom:20px}.feature-art svg{position:relative;z-index:1;transform:rotate(-10deg);stroke-width:1}.feature-art>span{position:absolute;border-radius:50%;width:112px;height:112px;background:#ffffff39;right:-22px}.feature h3{font-family:var(--serif);font-size:34px;margin-bottom:16px;font-weight:400;line-height:1.08;letter-spacing:-.045em}.feature>p:not(.eyebrow){font-size:14px;line-height:1.7;max-width:290px;margin-bottom:13px}.feature .text-link{margin-top:auto}.explore-section{background:var(--dark);color:var(--paper);padding:78px 0 0;overflow:hidden}.explore-section h2 em{color:#c8d9ad}.explore-heading{display:flex;justify-content:space-between;gap:24px;align-items:flex-end}.explore-heading h2{margin-bottom:0}.explore-heading .eyebrow{color:#b8c4ae}.tabs{display:flex;padding:5px;border:1px solid #566149;border-radius:50px;margin-bottom:8px;gap:2px}.tabs button{border:0;background:none;color:#d7dece;padding:11px 22px;border-radius:30px;font-size:12px;cursor:pointer;white-space:nowrap}.tabs button[aria-selected="true"]{background:var(--lime);color:var(--ink)}.tabs button:focus-visible{outline-color:#e1e8d7}.explore-panel{display:grid;grid-template-columns:1fr 1fr;gap:100px;align-items:center;min-height:534px;margin-top:28px}.panel-copy{padding:28px 0 68px;max-width:400px}.panel-number{font-family:var(--serif);font-size:52px;line-height:1;display:block;margin-bottom:24px;color:#d4eb8b}.panel-copy h3{font-family:var(--serif);font-weight:400;font-size:38px;margin-bottom:20px;line-height:1.15}.panel-copy p{color:#c0cbb9;font-size:15px}.panel-copy .text-link{color:var(--lime)}.panel-figure{height:490px;position:relative;align-self:end;margin:0 25px 0 0}.panel-screen{width:255px;margin:auto;border:5px solid #495043;border-radius:32px 32px 0 0;overflow:hidden;max-height:490px;background:#040605}.panel-screen img{width:100%;height:auto}.panel-figure:after{content:"";height:65px;position:absolute;bottom:0;left:-20px;right:-20px;background:linear-gradient(transparent,var(--dark));pointer-events:none}.panel-figure figcaption{position:absolute;bottom:18px;left:-30px;right:-30px;font-size:10px;color:#c2ccba;text-align:center;z-index:1}.watch-figure{align-self:center;height:380px}.watch-figure .panel-screen{width:230px;max-height:none;border-radius:48px;border-width:8px;transform:rotate(7deg);box-shadow:20px 20px 60px #0003}.watch-figure:after{display:none}.watch-figure figcaption{bottom:0}
.source-grid{display:grid;grid-template-columns:repeat(2,1fr);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}.source-grid article{display:flex;gap:24px;padding:36px 50px 32px 0}.source-grid article+article{border-left:1px solid var(--line);padding-left:42px;padding-right:0}.source-mark{width:55px;height:55px;border-radius:14px;background:var(--ink);color:white;display:flex;align-items:center;justify-content:center;font-weight:700;font-style:italic;font-size:25px;flex-shrink:0}.apple-mark{background:#fff;color:#cf616b;border:1px solid var(--line)}.source-grid h3{font-size:21px;margin:0 0 13px}.source-grid p{font-size:14px;color:var(--muted);margin-bottom:6px}.sources-note{margin:19px 0 0;max-width:750px;font-size:11px}.day-section{display:grid;grid-template-columns:1fr 1fr;gap:110px;padding-bottom:108px;align-items:center}.day-description{max-width:460px;font-size:15px;color:var(--muted)}.day-steps{list-style:none;margin:0;padding:0}.day-steps li{display:flex;gap:25px;padding:24px 0;border-bottom:1px solid var(--line)}.day-steps li:first-child{border-top:1px solid var(--line)}.day-steps li>span{font-family:var(--serif);font-size:20px;color:#7a8967}.day-steps h3{font-size:20px;margin-bottom:8px}.day-steps p{color:var(--muted);font-size:14px;margin:0}.privacy-inner{display:grid;grid-template-columns:70px 1fr 1fr;gap:45px;background:#e8ecdf;padding:58px 50px;border-radius:14px;align-items:center}.privacy-symbol{color:#6d7c5f;align-self:start;padding-top:49px}.privacy-inner h2{font-size:46px;margin-bottom:0}.privacy-inner .eyebrow{font-size:10px}.privacy-copy p{font-size:15px;margin-bottom:18px}.privacy-copy .small{font-size:12px;color:#56624e;line-height:1.75}.guide-grid{display:grid;grid-template-columns:repeat(2,1fr);column-gap:38px}.guide-card{padding:26px 0;display:flex;align-items:flex-start;gap:20px;text-decoration:none;border-bottom:1px solid var(--line)}.guide-card:hover h3{text-decoration:underline;text-underline-offset:5px}.guide-card:first-child,.guide-card:nth-child(2){border-top:1px solid var(--line)}.guide-icon{width:56px;height:56px;display:flex;justify-content:center;align-items:center;border-radius:50%;flex-shrink:0}.guide-card .eyebrow{font-size:9px;letter-spacing:.12em;margin:0 0 8px}.guide-card h3{font-family:var(--serif);font-size:25px;font-weight:400;line-height:1.17;letter-spacing:-.035em;margin:0 0 12px}.guide-card p:not(.eyebrow){font-size:13px;color:var(--muted);line-height:1.7;margin:0;max-width:340px}.guide-arrow{margin-left:auto;width:20px;padding-top:3px;box-sizing:content-box}.faq-section{display:grid;grid-template-columns:1fr 1.3fr;gap:75px;padding:0 0 108px}.faq-section h2{font-size:44px}.faq-list{border-top:1px solid var(--line)}.faq-list details{border-bottom:1px solid var(--line)}.faq-list summary{list-style:none;font-size:14px;font-weight:550;padding:22px 0;display:flex;align-items:center;gap:20px;justify-content:space-between;cursor:pointer;line-height:1.5;min-height:66px}.faq-list summary::-webkit-details-marker{display:none}.faq-list summary>span{font-size:22px;font-weight:300;line-height:1}.faq-list details[open] summary>span{transform:rotate(45deg)}.faq-list details>p{font-size:14px;line-height:1.75;color:var(--muted);padding-right:30px;margin:0 0 24px}.end-section{padding-bottom:90px}.end-cta{background:var(--lime);border-radius:16px;padding:58px 56px;display:flex;align-items:center;justify-content:space-between;gap:35px}.end-cta h2{font-size:54px}.end-cta h2 em{color:#506338}.end-cta>.eyebrow{margin-bottom:16px}.end-cta p{font-size:14px;margin-bottom:0}.end-cta .micro{text-align:center;font-size:10px;margin-top:15px}.site-footer{padding-bottom:28px}.footer-grid{display:grid;grid-template-columns:1.2fr 1fr 1fr 1.2fr;gap:45px;margin-bottom:64px}.footer-description{font-size:13px;color:var(--muted);max-width:220px;margin-top:20px}.footer-links{display:flex;flex-direction:column;gap:9px;font-size:12px}.footer-links>strong{font-size:10px;letter-spacing:.08em;text-transform:uppercase;font-weight:600;margin-bottom:6px}.footer-links>a{text-decoration:none;color:var(--muted)}.footer-download .button{font-size:11px;padding:14px}.footer-download .button .button-arrow{display:none}.footer-download p{font-size:11px;color:var(--muted);line-height:1.8;margin-top:15px}.footer-bottom{display:flex;justify-content:space-between;gap:25px;align-items:flex-start;border-top:1px solid var(--line);padding-top:24px;font-size:10px;color:var(--muted)}.footer-bottom a{text-decoration:none}
.hub-hero{padding:90px 0 64px}.hub-hero h1{max-width:850px}.hub-hero .hero-lead{max-width:600px}.hub-grid{padding-bottom:72px}.editor-note{padding:26px 0;color:var(--muted);font-size:13px;line-height:1.8}.editor-note>strong{color:var(--ink);font-weight:500}.editor-note p{margin:8px 0 12px}.hub-grid .editor-note{margin-top:40px;max-width:800px}.breadcrumbs{display:flex;align-items:center;flex-wrap:wrap;gap:12px;font-size:11px;color:var(--muted);padding:28px 0}.breadcrumbs a{text-decoration:none}.breadcrumbs a:hover{text-decoration:underline}.article-heading{padding:40px 0 50px;max-width:900px}.article-heading>.guide-icon{margin-bottom:25px}.article-heading>.eyebrow{margin-bottom:16px}.article-heading h1{font-size:clamp(46px,5vw,76px);max-width:880px}.article-heading .hero-lead{max-width:740px;font-size:18px}.byline{font-size:11px;display:flex;align-items:center;flex-wrap:wrap;gap:12px;color:var(--muted);margin-top:25px}.byline a{text-decoration:none}.byline a:hover{text-decoration:underline}.article-layout{display:grid;grid-template-columns:minmax(0,720px) 260px;gap:100px;align-items:start;padding-bottom:30px}.article-body{min-width:0}.article-body>section{margin:0 0 42px;scroll-margin-top:35px}.article-body h2{font-family:var(--sans);font-size:27px;letter-spacing:-.04em;line-height:1.25;font-weight:500;margin-bottom:21px}.article-body p{font-size:16px;line-height:1.85;color:#465347;margin-bottom:20px}.takeaway{padding:26px 30px;border-radius:12px;margin-bottom:42px}.takeaway .eyebrow{font-size:10px;margin-bottom:9px}.takeaway p:last-child{margin:0;font-family:var(--serif);font-size:25px;line-height:1.3;color:var(--ink)}.sticky-aside{position:sticky;top:30px}.article-aside{align-self:stretch}.article-aside .eyebrow{font-size:10px}.article-aside ol{margin:0 0 32px;padding-left:17px;font-size:12px;color:var(--muted)}.article-aside ol li{padding-left:5px;margin-bottom:12px}.article-aside ol a{text-decoration:none}.article-aside ol a:hover{text-decoration:underline}.aside-cta{background:var(--sage);padding:25px;border-radius:12px}.aside-cta img{border-radius:12px;margin-bottom:20px}.aside-cta h2{font-size:27px;line-height:1.1}.aside-cta p{font-size:12px;color:var(--muted)}.aside-cta .button{padding:12px;width:100%;gap:8px}.aside-cta .text-link{font-size:11px;margin-top:8px}.article-sources ul{padding-left:19px;font-size:13px;color:var(--muted)}.article-sources li{margin-bottom:10px}.article-sources a{text-underline-offset:4px;overflow-wrap:anywhere}.article-body .editor-note{border-top:1px solid var(--line);padding-top:24px}.article-body .editor-note h2{font-size:16px;margin-bottom:12px}.article-body .editor-note p{font-size:12px;color:var(--muted)}.article-faq{padding-top:5px}.article-faq .faq-list p{font-size:14px}.related-section{padding:30px 0 85px}.related-section h2{font-size:37px}.error-page{padding:100px 0 150px}.error-page h1{max-width:800px}.error-page p{max-width:550px}.error-page .button{margin-top:20px}
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