@font-face{font-family:"AB Serif";src:url(/fonts/ABSerif-var-latin.woff2) format("woff2");font-weight:400 700;font-display:swap}
:root{--bg:#fbfaf7;--surface:#f1efe9;--text:#17302f;--muted:#4f6362;--accent:#0f6b6b;--accent-ink:#ffffff;--border:#d9d6cc;--ink:#17302f;--inhale:#a9c7c4;--hold:#d9d6cc;--soft:#33494a;--rule:#e6e3da;--radius:12px;--max:42rem;--wide:72rem;--font:-apple-system,BlinkMacSystemFont,"Segoe UI",system-ui,sans-serif;--head:"AB Serif","Iowan Old Style","Palatino Linotype",Palatino,Georgia,serif;--ease:cubic-bezier(.23,1,.32,1);color-scheme:light}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--text);font:1.125rem/1.65 var(--font);text-rendering:optimizeLegibility;-webkit-tap-highlight-color:transparent}
img{max-width:100%;height:auto;display:block}
a{color:var(--accent);text-underline-offset:.18em}
@media (hover:hover) and (pointer:fine){a:hover{color:#0a4f4f}}
:focus-visible{outline:3px solid var(--accent);outline-offset:3px;border-radius:4px}
h1,h2,h3{font-family:var(--head);font-weight:600;line-height:1.15;letter-spacing:-.005em;margin:2.25rem 0 .75rem;text-wrap:balance}
h1{font-size:clamp(2rem,5.2vw,3.25rem);line-height:1.08;margin:.5rem 0 .75rem}
h2{font-size:clamp(1.55rem,3.4vw,1.85rem)}
h3{font-size:1.25rem}
p{text-wrap:pretty}
.ab-skip{position:absolute;left:-999px;top:0;background:var(--accent);color:var(--accent-ink);padding:.75rem 1rem;z-index:10}
.ab-skip:focus{left:0}
.ab-wrap{width:min(100% - 2rem,var(--wide));margin-inline:auto}
.ab-col{width:min(100% - 2rem,var(--max));margin-inline:auto}
.ab-line{display:flex;gap:4px;align-items:center}
.ab-line span{height:6px;border-radius:3px;background:var(--accent)}
.ab-line .ab-in{background:var(--inhale)}
.ab-line .ab-hold{background:var(--hold)}
.ab-top{border-bottom:1px solid var(--rule)}
.ab-top .ab-wrap{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;column-gap:2rem}
.ab-mark{display:inline-flex;align-items:center;gap:.65rem;min-height:3.75rem;color:var(--text);text-decoration:none;font:600 1.25rem/1 var(--head)}
.ab-curve{width:2.1rem;height:auto;flex:none;overflow:visible}
.ab-menu{display:flex;gap:1.75rem;font-size:1rem}
.ab-menu a{display:inline-flex;align-items:center;min-height:44px;color:var(--text);text-decoration:none;white-space:nowrap}
.ab-menu a[aria-current]{color:var(--accent);font-weight:600}
@media (max-width:40rem){.ab-top .ab-wrap{width:100%;padding-left:1rem}.ab-menu{width:100%;gap:1.25rem;overflow-x:auto;scrollbar-width:none;padding-right:1rem;margin-top:-.4rem;-webkit-mask-image:linear-gradient(90deg,#000 88%,transparent);mask-image:linear-gradient(90deg,#000 88%,transparent)}.ab-menu::-webkit-scrollbar{display:none}}
.ab-crumbs ol{list-style:none;display:flex;flex-wrap:wrap;gap:0 .5rem;padding:0;margin:1rem 0 0;font-size:.9rem;color:var(--muted)}
.ab-crumbs li{display:flex;align-items:center}
.ab-crumbs li+li::before{content:"/";margin-right:.5rem}
.ab-crumbs a{color:var(--muted);display:inline-flex;align-items:center;min-height:44px}
.ab-kicker{font-size:.8rem;letter-spacing:.12em;text-transform:uppercase;color:var(--accent);font-weight:600;margin:.5rem 0 0}
.ab-kicker a{color:inherit;text-decoration:none;display:inline-flex;align-items:center;min-height:44px}
.ab-lede{font-size:1.2rem;line-height:1.55;color:var(--soft);margin:0 0 1.25rem}
.ab-by{border-block:1px solid var(--rule);padding:.85rem 0;margin:0 0 1.5rem;font-size:.95rem;line-height:1.5}
.ab-by p{margin:0}
.ab-by-1{font-weight:600}
.ab-by-1 a{color:var(--text)}
.ab-by-2,.ab-by-3{color:var(--muted)}
.ab-when{color:var(--muted);font-size:.875rem;margin-top:.35rem!important}
.ab-cover{margin:0 0 1.5rem}
.ab-cover img{border-radius:var(--radius);width:100%}
.ab-answer{background:var(--surface);border-radius:16px;padding:1.25rem 1.25rem 1.1rem;margin:0 0 1.5rem}
.ab-answer p{margin:0}
.ab-label{font-size:.78rem;letter-spacing:.12em;text-transform:uppercase;font-weight:700;color:var(--accent);margin:0 0 .4rem!important}
.ab-answer .ab-line{margin-top:1rem}
.ab-counts{display:flex;justify-content:space-between;font-size:.8rem;color:var(--muted);margin-top:.35rem!important}
.ab-contents{border:1px solid var(--rule);border-radius:var(--radius);padding:0 1.1rem;margin:0 0 1.75rem}
.ab-contents summary{cursor:pointer;font-weight:600;min-height:48px;display:flex;align-items:center}
.ab-contents ol{margin:0 0 .9rem;padding-left:1.25rem;font-size:1rem}
.ab-contents a{display:block;padding:.35rem 0}
.ab-prose h2{scroll-margin-top:1rem}
.ab-prose li{margin:.45rem 0}
.ab-prose>ol{list-style:none;padding:0;counter-reset:step}
.ab-prose>ol>li{counter-increment:step;position:relative;padding-left:2.9rem;margin:.9rem 0;min-height:2rem}
.ab-prose>ol>li::before{content:counter(step);position:absolute;left:0;top:-.05rem;width:2rem;height:2rem;border-radius:50%;background:var(--accent);color:var(--accent-ink);font:600 .95rem/2rem var(--font);text-align:center}
.ab-prose table{border-collapse:collapse;width:100%;font-size:.95rem;display:block;overflow-x:auto}
.ab-prose th,.ab-prose td{border-bottom:1px solid var(--rule);padding:.6rem .75rem;text-align:left;vertical-align:top}
@media (max-width:40rem){.ab-prose table{font-size:.875rem;line-height:1.45}.ab-prose th,.ab-prose td{padding:.55rem .5rem;min-width:5.5rem}}
.ab-prose th{background:var(--surface)}
.ab-prose img{border-radius:var(--radius);margin:1.5rem 0}
.ab-prose blockquote{margin:1.5rem 0;padding:0 0 0 1.25rem;font:1.3rem/1.45 var(--head)}
.ab-pattern{background:var(--ink);color:var(--bg);border-radius:20px;padding:1.5rem;margin:2.5rem 0}
.ab-pattern .ab-label{color:var(--inhale)}
.ab-pattern-name{font:600 1.65rem/1.2 var(--head);margin:0 0 1.1rem}
.ab-track{position:relative;padding:.6rem 0}
.ab-track .ab-line span{height:8px;border-radius:4px;background:var(--inhale)}
.ab-track .ab-line .ab-in{background:rgba(169,199,196,.45)}
.ab-track .ab-line .ab-hold{background:rgba(251,250,247,.22)}
.ab-ride{position:absolute;inset:0 18px 0 0;pointer-events:none;opacity:0;animation:none}
.ab-dot{position:absolute;top:50%;left:0;width:18px;height:18px;margin-top:-9px;border-radius:50%;background:var(--bg);box-shadow:0 0 0 4px rgba(251,250,247,.18)}
.ab-segs{display:flex;gap:4px;list-style:none;padding:0;margin:.2rem 0 1.25rem;font-size:.85rem;color:#c8d6d4}
.ab-segs li{margin:0;min-width:0}
.ab-segs b{color:var(--bg);font-weight:600}
.ab-go{position:absolute;opacity:0;pointer-events:none}
.ab-go-label,.ab-app{display:inline-flex;align-items:center;min-height:48px;padding:.6rem 1.35rem;border-radius:24px;line-height:1.3;font-weight:600;font-size:1rem;text-decoration:none;cursor:pointer;transition:transform 160ms var(--ease);user-select:none}
.ab-go-label{background:var(--bg);color:var(--ink)}
.ab-go-label::after{content:"Tap to breathe along"}
.ab-go:checked~.ab-acts .ab-go-label::after{content:"Stop"}
.ab-go:focus-visible~.ab-acts .ab-go-label{outline:3px solid var(--inhale);outline-offset:3px}
.ab-go:checked~.ab-track .ab-ride{opacity:1;animation:ab-ride var(--cycle) linear infinite}
.ab-hidden .ab-ride{animation-play-state:paused!important}
@keyframes ab-ride{from{transform:translateX(0)}to{transform:translateX(100%)}}
.ab-acts{display:flex;flex-wrap:wrap;gap:.6rem}
.ab-app{border:1px solid rgba(251,250,247,.4);color:var(--bg)}
.ab-go-label:active,.ab-app:active,.ab-btn:active,.ab-now-go:active{transform:scale(.97)}
.ab-pattern .ab-note{color:#c8d6d4}
.ab-note{font-size:.85rem;color:var(--muted);margin:.75rem 0 0}
.ab-btn{display:inline-flex;align-items:center;min-height:48px;padding:0 1.35rem;background:var(--accent);color:var(--accent-ink);border-radius:999px;font-weight:600;text-decoration:none;transition:transform 160ms var(--ease)}
.ab-faq details{border-bottom:1px solid var(--rule)}
.ab-faq summary{cursor:pointer;font-weight:600;padding:.9rem 0;min-height:56px;display:flex;align-items:center;justify-content:space-between;gap:1rem;list-style:none}
.ab-faq summary::-webkit-details-marker{display:none}
.ab-faq summary::after{content:"+";font:400 1.5rem/1 var(--font);color:var(--accent);flex:none}
.ab-faq details[open] summary::after{content:"\2212"}
.ab-faq details p{margin:0 0 1.1rem}
.ab-sources ol{padding-left:1.25rem;font-size:.95rem}
.ab-sources li{margin:.5rem 0}
.ab-chips{list-style:none;display:flex;flex-wrap:wrap;gap:.5rem;padding:0;margin:1.5rem 0}
.ab-chips a{display:inline-flex;align-items:center;min-height:44px;padding:0 1rem;border-radius:999px;background:var(--surface);color:var(--text);text-decoration:none;font-size:.95rem}
.ab-chips a[aria-current]{background:var(--accent);color:var(--accent-ink)}
.ab-disclaimer{border:1px solid var(--border);border-radius:16px;padding:1.1rem 1.25rem;font-size:.92rem;line-height:1.6;color:var(--soft);margin:1.5rem 0}
.ab-disclaimer strong{color:var(--text)}
.ab-author{display:flex;gap:1.1rem;align-items:center;background:var(--surface);border-radius:20px;padding:1.25rem;margin-top:2rem}
.ab-author p{margin:0;line-height:1.45}
.ab-face{flex:none;width:72px;height:72px;border-radius:50%;object-fit:cover;background:var(--border);display:flex;align-items:center;justify-content:center;font:600 1.3rem/1 var(--head);color:var(--soft)}
.ab-author-small{font-size:.875rem;color:var(--muted)}
.ab-author-name{font:600 1.3rem/1.2 var(--head)}
.ab-author-name a{color:var(--text);text-decoration:none}
.ab-author-role{font-size:.95rem}
.ab-cards{display:grid;gap:1rem;grid-template-columns:repeat(auto-fill,minmax(16rem,1fr));margin:1.25rem 0 3rem;padding:0;list-style:none}@media (min-width:56rem){.ab-cards{grid-template-columns:repeat(3,1fr)}}
.ab-vh{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.ab-more{text-align:center;margin:-1.25rem 0 3rem}
.ab-more .ab-btn{min-height:36px;padding:0 3.5rem;font-size:.875rem}
.ab-card{position:relative;display:flex;flex-direction:column;background:var(--surface);border-radius:16px;overflow:hidden;margin:0}
.ab-card img{width:100%;aspect-ratio:1200/630;object-fit:cover}
.ab-card-in{padding:1.15rem 1.25rem 1.3rem;display:flex;flex-direction:column;gap:.4rem}
.ab-card-cat{font-size:.82rem;color:var(--muted);margin:0}
.ab-card h3{margin:0;font-size:1.3rem;line-height:1.25}
.ab-card h3 a{color:var(--text);text-decoration:none}
.ab-card h3 a::after{content:"";position:absolute;inset:0;border-radius:16px}
.ab-card-meta{font-size:.85rem;color:var(--muted);margin:0}
@media (hover:hover) and (pointer:fine){.ab-card h3 a:hover{color:var(--accent)}}
.ab-related h2{margin-top:3rem}
.ab-portrait{display:block;width:100%;max-width:20rem;height:auto;border-radius:20px;margin:.5rem 0 1.5rem;background:var(--surface)}
@media (min-width:48rem){.ab-portrait{float:right;width:17rem;margin:.4rem 0 1.25rem 2rem}}
.ab-prose h2{clear:none}
.ab-home{display:grid;gap:2rem;padding:2rem 0 1rem;align-items:start}
.ab-home h1{max-width:16ch}
.ab-home-intro .ab-lede{max-width:34rem}
.ab-teacher{display:flex;align-items:center;gap:.85rem;font-size:.95rem;line-height:1.45;color:var(--muted)}
.ab-teacher .ab-face{width:52px;height:52px;font-size:1rem}
.ab-teacher p{margin:0}
.ab-now{background:var(--accent);color:var(--accent-ink);border-radius:20px;padding:1.5rem 1.4rem}
.ab-now .ab-label{color:var(--accent-ink);opacity:.88}
.ab-now-title{font:600 1.7rem/1.2 var(--head);margin:0 0 .85rem}
.ab-now ol{margin:0 0 1.1rem;padding-left:1.35rem;font-size:1.1rem;line-height:1.55}
.ab-now li{margin:.2rem 0}
.ab-now .ab-line{margin:0 0 1.25rem}
.ab-now .ab-line span{background:var(--accent-ink)}
.ab-now .ab-line .ab-in{background:rgba(255,255,255,.45)}
.ab-now-go{display:inline-flex;align-items:center;justify-content:center;text-align:center;min-height:48px;padding:.6rem 1.35rem;border-radius:24px;line-height:1.3;background:var(--bg);color:var(--accent);font-weight:600;text-decoration:none;transition:transform 160ms var(--ease)}
@media (max-width:40rem){.ab-now-go{display:flex}}
@media (min-width:56rem){.ab-home{grid-template-columns:7fr 5fr;gap:3rem;padding:4rem 0 1.5rem}.ab-home-intro{padding-top:.5rem}}
@media (max-width:55.99rem){.ab-now{order:-1}.ab-home{padding-top:1.25rem}}
.ab-head-row h2,.ab-need h2{margin:2.5rem 0 0}
.ab-head-row{display:flex;justify-content:space-between;align-items:baseline;gap:1rem;flex-wrap:wrap}
.ab-head-row a{font-size:1rem}
.ab-hero{padding:2.5rem 0 .5rem}
.ab-hero h1{max-width:20ch}
.ab-foot{background:var(--ink);color:var(--bg);margin-top:4rem;padding:2.5rem 0 2rem}
.ab-foot p{margin:0 0 1rem}
.ab-closing{font:400 clamp(1.3rem,3vw,1.6rem)/1.4 var(--head);max-width:30rem}
.ab-foot nav{display:flex;flex-wrap:wrap;gap:0 1.5rem}
.ab-foot nav a{display:inline-flex;align-items:center;min-height:44px;color:var(--bg)}
.ab-legal{font-size:.85rem;color:#c8d6d4}
@media (prefers-reduced-motion:reduce){*,*::before,*::after{animation:none!important;transition:none!important;scroll-behavior:auto!important}.ab-go,.ab-go-label,.ab-ride{display:none}}
@media print{.ab-top,.ab-foot,.ab-related,.ab-acts{display:none}.ab-pattern{background:none;color:var(--text);border:1px solid var(--border)}}