:root{--ocean:#005f6b;--deep:#123c4b;--ink:#263e46;--muted:#526d75;--pale:#edf7f7;--line:#d3e5e6;--coral:#d97759;--paper:#fff}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:20px}body{margin:0;font:18px/1.65 system-ui,-apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif;color:var(--ink);background:var(--paper)}h1,h2,h3,p{margin-top:0}h1,h2{font-family:Georgia,serif;color:var(--deep);font-weight:500;line-height:1.15;letter-spacing:-.025em}h1{font-size:clamp(2.25rem,4.3vw,3.8rem);margin-bottom:22px}h2{font-size:2rem;margin-bottom:18px}h3{font-size:1.25rem;line-height:1.4}p{margin-bottom:1.15em}a{color:var(--ocean);text-underline-offset:4px}img{display:block;max-width:100%}button,input,select{font:inherit;touch-action:manipulation}button,summary{cursor:pointer}button{border:0}a,button,input,select,summary{outline-offset:5px}a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,summary:focus-visible{outline:3px solid #b24927}main{min-height:65vh;outline:none}.skip{position:absolute;top:-100px;left:20px;z-index:10;background:#fff;padding:12px}.skip:focus{top:10px}.site-header{border-bottom:1px solid var(--line)}.header-inner{width:min(1200px,calc(100% - 64px));min-height:98px;margin:auto;display:flex;align-items:center;gap:34px}.brand{width:235px;flex-shrink:0}.brand img{height:auto;width:100%}.header-inner nav{display:flex;gap:32px;margin-left:auto}.header-inner a:not(.brand){font-size:1rem;font-weight:600;text-decoration:none;padding:10px 0;border-bottom:2px solid transparent}.header-inner a.active{border-bottom-color:var(--ocean)}.header-inner .about-link{color:var(--muted);font-weight:400!important}.page{width:min(1140px,calc(100% - 64px));padding:38px 0 64px;margin:auto;overflow-wrap:break-word}.narrow{max-width:740px}.back{display:inline-block;font-size:1rem;text-decoration:none;margin-bottom:30px}.eyebrow{font-size:.875rem;font-weight:700;color:var(--ocean);letter-spacing:.08em;text-transform:uppercase;margin-bottom:16px}.lead{font-size:1.125rem;color:var(--muted);max-width:760px}.btn{display:inline-flex;justify-content:center;align-items:center;min-height:50px;padding:12px 23px;background:var(--ocean);color:#fff;border:1px solid var(--ocean);border-radius:9px;text-decoration:none;font-size:1rem;font-weight:650;line-height:1.45}.btn:hover{background:var(--deep)}.btn.secondary{background:#fff;color:var(--ocean);border-color:#a9c5c9}.btn:disabled{opacity:.45;cursor:default}.text-link{font-size:1rem;font-weight:650}.quiet-button{background:none;color:var(--ocean);font-size:1rem;text-decoration:underline;text-underline-offset:4px;padding:12px 0;text-align:left}.home-page{padding-top:46px}.home-intro{max-width:820px;margin-bottom:52px}.home-intro h1 em{font-style:normal;color:var(--ocean)}.home-intro p{font-size:1.15rem;color:var(--muted);max-width:680px;margin-bottom:24px}.browse-heading{display:flex;align-items:center;justify-content:space-between;gap:24px;padding-bottom:22px;border-bottom:1px solid var(--line)}.browse-heading h2{margin:0;white-space:nowrap}.search-form{display:flex;gap:8px;max-width:610px;flex:1}.search-form input,.field{width:100%;min-width:0;min-height:50px;border:1px solid #a3bdc1;border-radius:8px;padding:12px 15px;color:var(--ink);background:#fff}.search-form input{font-size:1rem}.search-form .btn{flex-shrink:0}.search-caption{margin-top:25px}.article-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:36px 26px;margin-top:30px}.article-card{min-width:0;display:block;text-decoration:none;color:var(--deep)}.article-card img{width:100%;aspect-ratio:4/3;height:auto;object-fit:cover;border-radius:12px}.article-card-copy{padding:15px 0 0}.article-card-copy>span{display:block;color:var(--muted);font-size:.875rem;margin-bottom:7px}.article-card h2{font-family:inherit;font-size:1.18rem;font-weight:650;line-height:1.4;letter-spacing:-.015em;margin:0}.article-card:hover h2{text-decoration:underline;text-underline-offset:4px}.article-card:hover img{filter:brightness(.97)}.byline{border-top:1px solid var(--line);display:flex;align-items:center;gap:18px;margin-top:55px;padding-top:30px}.byline img{width:64px;height:64px;object-fit:cover;object-position:50% 12%;border-radius:50%}.byline p{font-size:1rem;margin:0}.byline span{font-size:.875rem;color:var(--muted)}.reading-head{max-width:820px;margin:auto}.article-page>.back{margin-left:max(0px,calc((100% - 820px)/2))}.reading-meta{display:flex;gap:14px;align-items:center;font-size:1rem;margin:26px 0;color:var(--muted)}.reading-meta span{font-size:.875rem}.author-avatar{width:48px;height:48px;object-fit:cover;object-position:50% 12%;border-radius:50%;flex:none}.article-cover{width:100%;max-width:960px;max-height:none;aspect-ratio:3/2;object-fit:cover;border-radius:14px;margin:30px auto 40px}.reading-body{max-width:720px;margin:auto;font-size:1.125rem;line-height:1.85}.reading-body .ref-mark{font-size:.875rem}.voice{margin:32px 0;border-left:3px solid var(--coral);padding:5px 0 5px 24px}.voice p{font-family:Georgia,serif;font-size:1.3rem;line-height:1.6;margin-bottom:10px}.voice cite{font-style:normal;color:var(--muted);font-size:.9rem}.sources{margin:20px 0}.sources summary{cursor:pointer;color:var(--ocean);font-size:1rem;font-weight:600;min-height:44px;padding:10px 0}.sources p,.sources li,.sources dl{font-size:1rem;line-height:1.65}.sources li{margin:12px 0}.sources a{overflow-wrap:anywhere}.sources dt{font-weight:650}.sources dd{margin:0 0 14px}.draft-note,.fine{font-size:.875rem;color:var(--muted);line-height:1.6}.draft-note{border-top:1px solid var(--line);padding-top:20px;margin-top:25px}.related{margin-top:50px;padding-top:30px;border-top:1px solid var(--line)}.related>h2{font-size:2rem}.circuit-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;margin:35px 0}.circuit-card{display:block;min-width:0;overflow:hidden;border:1px solid var(--line);border-radius:14px;text-decoration:none}.circuit-card:hover{border-color:var(--ocean)}.exercise-picture{width:100%;aspect-ratio:4/3;display:block;height:auto;object-fit:cover;background-color:#f4f3ef}.circuit-card-copy{padding:24px}.circuit-card .eyebrow{display:block;font-size:.875rem;letter-spacing:0;text-transform:none;margin-bottom:10px}.circuit-card h2{font-size:1.8rem}.circuit-card p{color:var(--muted);font-size:1rem}.circuit-meta{display:block;color:var(--muted);font-size:.875rem;margin:18px 0 10px}.circuit-card strong{font-size:1rem}.circuit-summary{display:flex;gap:12px 24px;flex-wrap:wrap;background:var(--pale);border-radius:10px;padding:17px 22px;margin:28px 0;font-size:1rem}.equipment{font-size:1rem}.circuit-instructions{max-width:900px;font-size:1rem}.circuit-safety{border-left:3px solid var(--coral);padding:3px 18px;background:#fff6f0;margin:24px 0 34px}.circuit-safety p{max-width:950px;margin-bottom:15px}.exercise-grid{padding:0;list-style:none;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:28px;margin:0}.exercise-card{overflow:hidden;border:1px solid var(--line);border-radius:14px;min-width:0}.exercise-copy{padding:25px}.exercise-heading{display:flex;gap:12px;align-items:baseline}.exercise-heading h2{font-family:inherit;font-size:1.2rem;line-height:1.4;font-weight:650;letter-spacing:0;margin-bottom:15px}.exercise-number{color:var(--ocean);font-size:1rem;font-weight:750;flex:none}.dose{display:inline-block;padding:4px 10px;background:var(--pale);color:var(--ocean);font-size:1rem;font-weight:650;border-radius:6px;margin:0 0 16px}.exercise-copy p:not(.dose){font-size:1rem;line-height:1.65}.exercise-cue{color:var(--muted);margin-bottom:0}.progress-note{background:var(--pale);padding:28px;border-radius:12px;margin:35px 0;font-size:1rem}.progress-note h2{font-size:1.75rem}.progress-note p:last-child{margin-bottom:0}.measure-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:22px;margin:32px 0}.measure-card{padding:28px;border:1px solid var(--line);border-radius:12px;text-decoration:none}.measure-card:hover{background:var(--pale);border-color:var(--ocean)}.measure-time{font-size:.875rem;font-weight:650;display:block;margin-bottom:16px}.measure-card h2{font-size:1.8rem}.measure-card p{font-size:1rem;color:var(--muted)}.setup-note{font-size:1rem;color:var(--muted);border-left:3px solid var(--line);padding-left:18px}.clock-box{border:1px solid var(--line);border-radius:14px;padding:28px;margin:28px 0}.clock-box h2{font-size:1.55rem}.clock-box>p{font-size:1rem}.test-warning{color:var(--muted);font-size:1rem;line-height:1.55}.consent,.check-label{display:flex;align-items:start;gap:12px;padding:14px;background:var(--pale);border-radius:9px;font-size:1rem;line-height:1.55}.consent input,.check-label input{width:23px;height:23px;accent-color:var(--ocean);flex:none;margin-top:2px}.timer{font-size:4.5rem;font-weight:650;font-variant-numeric:tabular-nums;line-height:1.2;color:var(--ocean);padding:25px 0 12px}.timer-unit{font-size:1.1rem;color:var(--muted)}.actions{display:flex;gap:12px;align-items:center;flex-wrap:wrap;margin-top:22px}.clock-note{margin:22px 0 0}.record-form{border-top:1px solid var(--line);margin-top:25px;padding-top:24px}.field-label{display:block;font-size:1rem;font-weight:600;margin-bottom:16px}.field-label .field{margin-top:8px}.profile-fields{display:grid;grid-template-columns:1fr 1fr;gap:15px;margin-bottom:20px;font-size:1rem}.profile-fields .field{margin-top:6px}.record-form .check-label{margin-top:20px}.result{padding:28px;background:var(--pale);border-radius:14px;margin:25px 0}.result>strong{display:block;font-size:1.65rem;line-height:1.4;color:var(--ocean);margin-bottom:24px}.result h2{font-size:1.8rem}.result p{font-size:1rem}.reference-bar{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:4px;margin:22px 0;text-align:center;font-size:.875rem}.reference-bar span{padding:12px 5px;background:#dce8e9;border-radius:5px}.reference-bar .current{background:var(--ocean);color:white;font-weight:650}.next-options{display:flex;flex-direction:column;gap:16px;border-top:1px solid var(--line);padding-top:25px;margin-top:28px}.steps{padding-left:24px}.steps li{padding:6px 0}.about-layout{display:grid;grid-template-columns:1.5fr 1fr;gap:50px;align-items:start}.portrait{width:100%;max-height:530px;object-fit:contain}.section{padding-block:45px}.timeline{padding-left:22px}.timeline li{padding:12px 0}.footer-inner{width:min(1140px,calc(100% - 64px));margin:auto;display:flex;gap:28px;flex-wrap:wrap;justify-content:space-between}footer{background:#f3f8f8;border-top:1px solid var(--line);padding:34px 0}.footer-inner strong{font-size:1rem}.footer-inner p{font-size:.875rem;color:var(--muted);margin-bottom:0}.footer-links{display:flex;flex-wrap:wrap;gap:12px 24px;font-size:.9rem}.footer-inner>.fine{width:100%;padding-top:18px;border-top:1px solid var(--line)}
@media(max-width:850px){.header-inner{gap:20px;width:calc(100% - 40px)}.brand{width:205px}.header-inner nav{gap:23px}.about-link{display:none}.browse-heading{display:block}.browse-heading h2{margin-bottom:18px}.circuit-grid{gap:14px}.circuit-card-copy{padding:18px}.circuit-card h2{font-size:1.5rem}.about-layout{gap:25px}}
@media(max-width:700px){body{font-size:17px}.page,.footer-inner{width:calc(100% - 32px)}.header-inner{flex-wrap:wrap;justify-content:center;gap:0;padding:8px 0 11px;min-height:0}.brand{width:215px}.header-inner nav{width:100%;justify-content:center;margin:0;gap:32px}.header-inner a:not(.brand){padding:7px 0}.page{padding-top:27px}.home-intro{margin-bottom:35px}.home-intro h1{font-size:2.3rem}.home-intro p{font-size:1.05rem}.home-intro .btn{width:100%}.eyebrow{font-size:.875rem;letter-spacing:.05em}.article-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:25px 14px;margin-top:23px}.article-card img{border-radius:8px;aspect-ratio:1/1;object-fit:cover}.article-card-copy{padding-top:10px}.article-card h2{font-size:1rem;line-height:1.42}.article-card-copy>span{font-size:.875rem;line-height:1.4}.search-form .btn{padding:12px 16px}.search-form input{padding:12px;font-size:1rem}.byline{margin-top:36px;align-items:start}.byline img{width:50px;height:50px}.byline p{font-size:1rem}.article-cover{margin:23px 0 27px;aspect-ratio:4/3}.reading-body{font-size:1.05rem}.reading-head h1{font-size:2.2rem}.reading-meta{align-items:start;font-size:.95rem}.voice{padding-left:18px}.voice p{font-size:1.2rem}.circuit-grid,.exercise-grid{grid-template-columns:1fr;gap:22px}.circuit-card{display:block}.circuit-card-copy{padding:22px}.circuit-card h2{font-size:1.9rem}.circuit-summary{padding:16px;gap:8px 14px;flex-direction:column}.exercise-copy{padding:21px}.exercise-picture{aspect-ratio:4/3}.exercise-heading h2{font-size:1.2rem}.progress-note{padding:22px}.measure-grid{grid-template-columns:1fr;gap:14px}.measure-card{padding:23px}.measure-card h2{font-size:1.8rem}.clock-box,.result{padding:20px}.timer{font-size:4rem}.profile-fields{grid-template-columns:1fr 1fr;gap:12px}.profile-fields select{padding-inline:8px}.actions{align-items:stretch}.actions .btn{flex:1;min-width:130px}.reference-bar{font-size:.875rem}.about-layout{grid-template-columns:1fr}.portrait{width:240px;grid-row:1;justify-self:center}.footer-links{flex-direction:column}.back{margin-bottom:23px}.related{margin-top:35px}.sources ol{padding-left:22px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important}}

.reading-section{margin:36px 0}.reading-section h2{font-size:1.8rem;line-height:1.25;margin-bottom:20px}#article-references{scroll-margin-top:24px}#article-references li:focus{outline:2px solid var(--ocean);outline-offset:6px;background:var(--pale)}.ref-mark{display:inline-block;min-width:24px;text-align:center;padding:2px;line-height:1.5}@media(max-width:700px){.reading-section h2{font-size:1.6rem}.reading-section{margin:28px 0}}
.all-articles-link{margin:34px 0 0;text-align:center;font-weight:650}
/* Article conversations share the calm, readable article width. */
.conversation{max-width:760px;margin:64px auto;padding-top:36px;border-top:1px solid var(--line,#d8e4df)}
.conversation h2{font-size:clamp(1.8rem,4vw,2.4rem);margin:.3em 0}.conversation h3{margin-top:0}
.comment-form{position:relative;background:#f1f6f3;border:1px solid #d7e4dd;border-radius:18px;padding:28px;margin-top:30px}
.comment-form label,.moderation-card label{display:block;font-weight:700;margin:18px 0 8px}
.comment-form input,.comment-form textarea,.moderation-card textarea{display:block;width:100%;box-sizing:border-box;font:inherit;font-size:18px;padding:12px 14px;border:1px solid #819991;border-radius:9px;background:white;color:#193b35}
.comment-form textarea,.moderation-card textarea{resize:vertical;min-height:140px}.comment-form input{max-width:380px}
.comment-form .fine{font-size:15px;line-height:1.6}.comment-status:not(:empty){padding:14px;border-left:4px solid #006d7a;background:white;line-height:1.6}
.comment-trap{position:absolute;left:-10000px;top:auto;width:1px;height:1px;overflow:hidden}
.text-button{background:transparent;border:0;color:#006574;text-decoration:underline;text-underline-offset:4px;cursor:pointer;font:inherit;font-weight:600;padding:10px 0;min-height:44px}
.comment-card{padding:22px 0;border-bottom:1px solid #d7e4dd}.comment-meta{display:flex;align-items:center;flex-wrap:wrap;gap:10px 16px}.comment-meta time{font-size:14px;color:#556960}.comment-body{white-space:pre-wrap;overflow-wrap:anywhere;line-height:1.7}.comment-actions{display:flex;flex-wrap:wrap;gap:8px 24px}.author-badge{color:#005866;background:#e0efea;border-radius:6px;padding:4px 9px}.comment-replies{margin-left:18px;padding-left:18px;border-left:3px solid #d3e7dc}.comment-reply:last-child{border-bottom:0}.comments-empty{padding:20px;background:#f6f7f3;border-radius:12px;color:#4f635b}
button:disabled{opacity:.6;cursor:wait}[hidden]{display:none!important}button:focus-visible,input:focus-visible,textarea:focus-visible{outline:3px solid #bf742c;outline-offset:3px}
.moderation-page{max-width:900px}.moderation-tabs{display:flex;gap:10px;flex-wrap:wrap;margin:25px 0}.moderation-tabs button[aria-pressed="true"]{background:#006d7a;color:#fff}.moderation-tabs button{border:1px solid #006d7a;background:#fff;border-radius:24px;padding:10px 18px;cursor:pointer;font:inherit;min-height:44px}
.moderation-card{border:1px solid #d7e4dd;border-radius:15px;padding:24px;margin:20px 0;background:#fff}.moderation-card blockquote{margin:16px 0;padding:12px 16px;background:#f1f6f3;border-left:3px solid #94b5a5}.moderation-card .comment-actions{margin-top:15px}.moderation-card .btn{font-size:16px;padding:10px 17px}.moderation-card details{margin-top:20px}.moderation-card summary{cursor:pointer;min-height:44px;padding-top:10px;color:#006574;font-weight:700}.moderation-card .delete-comment{color:#9b3325}.mod-notice{padding:16px;background:#eff5f0;border-radius:10px}.mod-article{font-size:15px}.mod-feedback{white-space:pre-wrap}
@media(max-width:600px){.comment-form,.moderation-card{padding:20px 16px}.comment-replies{margin-left:0;padding-left:12px}.conversation{margin-top:44px}.comment-meta{gap:6px 12px}}

.comment-consent{display:block!important;margin:1rem 0;font-size:1rem;line-height:1.5}.comment-consent input{width:auto!important;min-width:24px;min-height:24px;vertical-align:middle;margin-right:.5rem}