:root{--ink:#1f2933;--muted:#4b5563;--bg:#fbfaf7;--card:#fff;--line:#e4e7eb;--brand:#0f766e;--brand-dark:#115e59;--accent:#b45309;--soft:#ecfdf5;--radius:14px;--max:44rem;--wide:72rem;--shadow:0 1px 2px rgba(16,24,40,.05),0 4px 14px rgba(16,24,40,.05)}*{box-sizing:border-box}html{-webkit-text-size-adjust:100%;scroll-padding-top:5rem}body{margin:0;font:18px/1.7 system-ui,-apple-system,Segoe UI,Roboto,sans-serif;color:var(--ink);background:var(--bg);text-rendering:optimizeLegibility}a{color:var(--brand-dark);text-underline-offset:.18em;text-decoration-thickness:1px}a:hover{color:var(--brand)}:focus-visible{outline:3px solid #f59e0b;outline-offset:2px;border-radius:4px}img{max-width:100%;height:auto}h1,h2,h3{line-height:1.25;margin:1.8em 0 .55em;letter-spacing:-.01em;text-wrap:balance}h1{font-size:clamp(1.9rem,5vw,2.75rem);margin-top:.4em;letter-spacing:-.02em}h2{font-size:clamp(1.3rem,3vw,1.55rem)}h3{font-size:1.15rem}p,li{text-wrap:pretty}.wrap{max-width:var(--max);margin:0 auto;padding:0 1.15rem}.wide{max-width:var(--wide)}main.article p,main.article li{max-width:70ch}.skip{position:absolute;left:-999px}.skip:focus{left:1rem;top:1rem;background:#fff;padding:.5rem;z-index:99}header.site{position:sticky;top:0;z-index:50;background:#fffffff0;backdrop-filter:saturate(1.4) blur(8px);border-bottom:1px solid var(--line)}header.site .bar{display:flex;align-items:center;justify-content:space-between;gap:1rem;min-height:3.75rem}.logo{font-weight:800;text-decoration:none;color:var(--ink);font-size:1.2rem;display:flex;align-items:center;gap:.5rem;letter-spacing:-.01em}.logo span{color:var(--brand)}nav.main ul{list-style:none;margin:0;padding:0;display:flex;align-items:center;gap:.15rem;font-size:.95rem}nav.main a{display:block;text-decoration:none;color:var(--muted);padding:.4rem .7rem;border-radius:999px;font-weight:500}nav.main a:hover{background:var(--soft);color:var(--brand-dark)}nav.main a[aria-current]{color:var(--brand-dark);font-weight:700;background:var(--soft)}nav.main a.nav-cta{background:var(--brand);color:#fff;font-weight:700;margin-left:.3rem}nav.main a.nav-cta:hover{background:var(--brand-dark);color:#fff}.menu-btn{display:none;align-items:center;gap:.5rem;background:#fff;border:1px solid var(--line);border-radius:999px;padding:.45rem .85rem;font:inherit;font-size:.95rem;font-weight:600;color:var(--ink);cursor:pointer}.bars,.bars:before,.bars:after{display:block;width:18px;height:2px;background:currentColor;border-radius:2px;position:relative;transition:transform .2s}.bars:before,.bars:after{content:"";position:absolute;left:0}.bars:before{top:-6px}.bars:after{top:6px}header.open .bars{background:transparent}header.open .bars:before{transform:translateY(6px) rotate(45deg)}header.open .bars:after{transform:translateY(-6px) rotate(-45deg)}@media(max-width:900px){.menu-btn{display:inline-flex}header.site .bar{flex-wrap:wrap}nav.main{display:none;width:100%;padding:0 0 .8rem}header.open nav.main{display:block}nav.main ul{flex-direction:column;align-items:stretch;gap:.15rem}nav.main a{padding:.7rem .9rem;border-radius:10px;font-size:1rem}nav.main a.nav-cta{margin:.3rem 0 0;text-align:center}}.crumbs{font-size:.85rem;color:var(--muted);margin-top:1.3rem}.crumbs ol{list-style:none;padding:0;margin:0;display:flex;flex-wrap:wrap;gap:.3rem}.crumbs a{color:var(--muted)}.crumbs li+li:before{content:"›";margin-right:.3rem}.updated{font-size:.85rem;color:var(--muted);margin:.2rem 0 1.2rem}.lede{font-size:1.18rem;color:var(--muted);max-width:60ch}.eyebrow{display:inline-block;font-size:.8rem;font-weight:700;text-transform:uppercase;letter-spacing:.08em;color:var(--brand-dark);background:var(--soft);padding:.25rem .7rem;border-radius:999px;margin:0}.card{display:block;background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:1.2rem 1.3rem;margin:1.2rem 0;box-shadow:var(--shadow)}.grid{display:grid;gap:1rem;grid-template-columns:repeat(auto-fit,minmax(16rem,1fr))}@media(min-width:900px){.grid.guides{grid-template-columns:repeat(3,1fr)}}.grid .card{margin:0;display:flex;flex-direction:column}.grid .card>a:last-child,.grid .card .more{margin-top:auto;font-weight:600}.card h3{margin-top:0}.card p{color:var(--muted);font-size:.97rem}a.link-card{text-decoration:none;color:var(--ink);transition:transform .15s,box-shadow .15s,border-color .15s}a.link-card:hover{transform:translateY(-2px);border-color:#99f6e4;box-shadow:0 8px 24px #0f766e1f;color:var(--ink)}a.link-card h3{color:var(--ink)}a.link-card .more{color:var(--brand-dark)}.tag{align-self:flex-start;font-size:.75rem;font-weight:700;text-transform:uppercase;letter-spacing:.06em;color:var(--brand-dark);background:var(--soft);padding:.15rem .55rem;border-radius:999px;margin-bottom:.6rem}.tip{background:var(--soft);border-left:4px solid var(--brand);border-radius:10px;padding:.9rem 1.1rem;margin:1.4rem 0}.warn{background:#fffbeb;border-left:4px solid #f59e0b;border-radius:10px;padding:.9rem 1.1rem;margin:1.4rem 0}.btn{display:inline-block;background:var(--brand);color:#fff;border:0;border-radius:999px;padding:.75rem 1.4rem;font:inherit;font-weight:700;text-decoration:none;cursor:pointer;line-height:1.3;box-shadow:0 2px 6px #0f766e40}.btn:hover{background:var(--brand-dark);color:#fff}.btn.secondary{background:#fff;color:var(--brand-dark);border:2px solid var(--brand);box-shadow:none}.btn.secondary:hover{background:var(--soft);color:var(--brand-dark)}.btn.small{padding:.5rem 1rem;font-size:.92rem}.signup{background:linear-gradient(135deg,#f0fdfa,#fff 70%);border:2px solid #99f6e4;border-radius:var(--radius);padding:1.5rem;margin:2.5rem 0;box-shadow:var(--shadow);position:relative}.signup h2{margin-top:0;font-size:1.35rem}.signup h2:before{content:"✉ ";color:var(--brand)}.signup form{display:flex;flex-wrap:wrap;gap:.6rem;margin-top:.8rem}.signup input[type=email]{flex:1 1 14rem;min-width:0;padding:.75rem 1rem;border:1px solid #9aa5b1;border-radius:999px;font:inherit;background:#fff}.signup input[type=email]:focus{border-color:var(--brand);outline:3px solid #99f6e4;outline-offset:0}.signup .btn{flex:0 0 auto}.signup .fine{font-size:.82rem;color:var(--muted);margin:.7rem 0 0}.signup .msg{font-weight:600;margin:.5rem 0 0}.signup .msg:empty{display:none}.hp{position:absolute;left:-5000px}.hero{display:grid;gap:2rem;align-items:center;padding:2.5rem 0 1rem}.hero h1{margin:.6em 0 .4em}.hero-btns{display:flex;flex-wrap:wrap;gap:.6rem}.hero-signup .signup{margin:0;background:#fff}@media(min-width:900px){.hero{grid-template-columns:1.15fr 1fr;padding:3.5rem 0 1.5rem}}.promise{list-style:none;padding:0;display:grid;gap:.8rem;grid-template-columns:repeat(auto-fit,minmax(15rem,1fr))}.promise li{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:1rem 1.1rem;font-size:.97rem}.promise strong{display:block;color:var(--brand-dark)}.checklist{list-style:none;padding:0}.checklist li{padding:.35rem 0 .35rem 2rem;position:relative}.checklist li:before{content:"";position:absolute;left:0;top:.6rem;width:1.1rem;height:1.1rem;border:2px solid var(--brand);border-radius:4px}table{border-collapse:separate;border-spacing:0;width:100%;font-size:.93rem;margin:0;background:#fff}th,td{border-bottom:1px solid var(--line);padding:.65rem .75rem;text-align:left;vertical-align:top;line-height:1.5}th{background:#f1f5f4;font-weight:700;color:var(--ink);white-space:nowrap}tr:last-child td{border-bottom:0}tbody tr:nth-child(2n) td{background:#fafbfa}.table-scroll{overflow-x:auto;border:1px solid var(--line);border-radius:var(--radius);margin:1.3rem 0;box-shadow:var(--shadow);-webkit-overflow-scrolling:touch}@media(max-width:640px){.table-scroll table{min-width:34rem}}.faq h3{margin-bottom:.3em}.related{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:.4rem 1.3rem 1rem;margin:2rem 0}.related h2{font-size:1.2rem;margin-top:1rem}.related ul{padding-left:1.2rem;margin:0}.related li{margin:.3rem 0}.notice{background:var(--soft);border:1px solid var(--line);border-radius:10px;padding:.9rem 1.1rem;margin:1.2rem 0;font-size:.95rem}p.fine{font-size:.85rem;color:var(--muted)}footer.site{margin-top:4rem;background:#0f2a27;color:#d1e7e4;font-size:.93rem;padding:2.5rem 0 2rem}footer.site a{color:#fff}footer.site .logo{color:#fff}footer.site .logo span{color:#5eead4}.foot-grid{display:grid;gap:1.5rem;grid-template-columns:repeat(auto-fit,minmax(10rem,1fr))}.foot-brand{grid-column:span 2}@media(max-width:560px){.foot-brand{grid-column:1/-1}}footer.site h2{font-size:.8rem;text-transform:uppercase;letter-spacing:.08em;color:#99f6e4;margin:.3rem 0 .6rem}footer.site ul{list-style:none;padding:0;margin:0}footer.site li{margin:.35rem 0}footer.site ul a{text-decoration:none}footer.site ul a:hover{text-decoration:underline;color:#fff}footer.site .btn{color:#fff}.foot-note{border-top:1px solid rgba(255,255,255,.12);margin:1.5rem 0 0;padding-top:1rem;font-size:.85rem;color:#b5cfcb}.foot-note+.foot-note{border:0;margin-top:.2rem;padding-top:0}@media(prefers-reduced-motion:reduce){*{transition:none!important}}@media print{header.site,footer.site,.signup,.crumbs,.noprint{display:none!important}body{background:#fff;font-size:12pt}}.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}.bar-actions{display:flex;align-items:center;gap:.5rem;order:3}header.site nav.main{order:2;margin-left:auto}.search-btn{display:inline-flex;align-items:center;gap:.45rem;background:#fff;border:1px solid var(--line);border-radius:999px;padding:.42rem .8rem;font:inherit;font-size:.92rem;color:var(--muted);cursor:pointer}.search-btn:hover{border-color:#99f6e4;color:var(--brand-dark);background:var(--soft)}.search-kbd{font:600 .72rem/1 ui-monospace,monospace;border:1px solid var(--line);border-radius:5px;padding:.15rem .35rem;color:var(--muted);background:#f8faf9}@media(max-width:900px){.search-kbd,.search-label{display:none}.search-btn{padding:.5rem .65rem;color:var(--ink)}.bar-actions{margin-left:auto}header.site nav.main{order:4;margin-left:0}}.sm-lock{overflow:hidden}.search-modal{position:fixed;inset:0;z-index:100}.search-modal[hidden]{display:none}.sm-backdrop{position:absolute;inset:0;background:#0f2a2773;backdrop-filter:blur(2px)}.sm-panel{position:relative;max-width:40rem;margin:8vh auto 0;background:#fff;border-radius:var(--radius);box-shadow:0 20px 60px #10182840;overflow:hidden;width:calc(100% - 1.5rem);max-height:80vh;display:flex;flex-direction:column}.sm-form{display:flex;align-items:center;gap:.6rem;padding:.75rem 1rem;border-bottom:1px solid var(--line);color:var(--muted)}.sm-form input{flex:1;min-width:0;border:0;font:inherit;font-size:1.05rem;padding:.4rem 0;background:transparent;color:var(--ink)}.sm-form input:focus{outline:none}.sm-close{font:600 .75rem/1 ui-monospace,monospace;border:1px solid var(--line);border-radius:6px;padding:.3rem .45rem;background:#f8faf9;color:var(--muted);cursor:pointer}.sm-results{overflow-y:auto;padding:0 .5rem}.sm-results:not(:empty){padding:.4rem .5rem .7rem}.sm-results.page{padding:0}.sr-count{font-size:.8rem;color:var(--muted);margin:.3rem .6rem;text-transform:uppercase;letter-spacing:.06em;font-weight:700}.sr-list{list-style:none;margin:0;padding:0}.sr-item{display:block;text-decoration:none;color:var(--ink);padding:.65rem .8rem;border-radius:10px}.sr-item:hover,.sr-item:focus{background:var(--soft);color:var(--ink)}.sr-title{display:block;font-weight:700;color:var(--brand-dark);line-height:1.35}.sr-ex{display:block;font-size:.9rem;color:var(--muted);line-height:1.5;margin-top:.15rem}.sr-ex mark{background:#fde68a;color:inherit;border-radius:3px;padding:0 .1em}.sr-empty{padding:.8rem;color:var(--muted);font-size:.95rem;margin:0}.search-page-form{display:flex;gap:.6rem;flex-wrap:wrap;margin:1rem 0 1.5rem}.search-page-form input{flex:1 1 14rem;min-width:0;padding:.75rem 1rem;border:1px solid #9aa5b1;border-radius:999px;font:inherit;background:#fff}.search-page-form input:focus{border-color:var(--brand);outline:3px solid #99f6e4;outline-offset:0}.sm-results.page .sr-item{background:#fff;border:1px solid var(--line);margin:.6rem 0}