*,*::before,*::after{box-sizing:border-box}
:root{
  /* surfaces */
  --bg:#f7faf6; --paper:#ffffff;
  --c-low:#f1f4f1; --c-mid:#ebefeb; --c-high:#e5e9e5;
  /* ink */
  --ink:#181d1a; --body:#3f4944; --muted:#6f7a74;
  --line:#dde7e1; --line-2:#eef2ee; --outline:#bec9c3;
  /* brand */
  --brand:#005440; --brand-2:#0f6e56; --brand-3:#266a52;
  --mint:#a0f3d4; --mint-soft:#e3f3eb; --on-mint:#00513e;
  --amber:#fcb24a; --amber-ink:#8a5a0c;
  /* per pillar accent, overridden inline */
  --acc:#0f6e56; --acc-deep:#005440; --acc-tint:#d9f0e5; --acc-soft:#eef8f2;
  /* shape */
  --r-s:16px; --r-m:22px; --r-l:30px;
  --shadow:0 2px 6px rgba(12,40,30,.06);
  --shadow-lift:0 2px 6px rgba(12,40,30,.06),0 14px 32px rgba(12,40,30,.07);
  --wrap:1180px; --gutter:24px;
}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:100px}
body{margin:0;background:var(--bg);color:var(--body);
  font-family:'Rubik',system-ui,-apple-system,'Segoe UI',sans-serif;
  font-size:18px;line-height:1.8;font-weight:400;-webkit-font-smoothing:antialiased}
img,svg{max-width:100%;display:block}
a{color:var(--brand);text-decoration:none}
a:hover{text-decoration:underline;text-underline-offset:3px}
h1,h2,h3,h4{margin:0;color:var(--brand);font-weight:600;line-height:1.2;letter-spacing:-.8px}
h3{font-weight:500;letter-spacing:-.5px;line-height:1.3}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 var(--gutter)}
.narrow{max-width:820px}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.skip{position:absolute;inset-inline-start:12px;top:-60px;background:var(--brand);color:#fff;
  padding:10px 18px;border-radius:0 0 12px 12px;z-index:200;transition:top .2s}
.skip:focus{top:0}
:focus-visible{outline:3px solid var(--brand-2);outline-offset:3px;border-radius:4px}
::selection{background:var(--mint);color:var(--on-mint)}

/* ------------------------------------------------------------------ header */
.hdr{position:sticky;top:0;z-index:100;background:rgba(247,250,246,.9);
  backdrop-filter:saturate(180%) blur(14px);border-bottom:1px solid var(--line)}
.hdr-in{display:flex;align-items:center;gap:22px;height:74px}
.mark{display:inline-flex;align-items:baseline;gap:12px;flex:0 0 auto;color:var(--brand);
  font-size:28px;font-weight:600;letter-spacing:-1px;line-height:1}
.mark:hover{text-decoration:none;color:var(--brand-2)}
.mark span{font-size:13.5px;font-weight:400;letter-spacing:0;color:var(--muted);white-space:nowrap}
.nav{display:flex;gap:2px;margin-inline:auto;align-items:center}
.nav>.item{position:relative}
.nav>.item>a{display:block;padding:10px 13px;border-radius:999px;font-size:15.5px;
  font-weight:500;color:var(--body);white-space:nowrap}
.nav>.item>a:hover,.nav>.item.on>a{background:var(--mint-soft);color:var(--brand);text-decoration:none}
.nav>.item.on>a{box-shadow:inset 0 -2px 0 var(--brand-2)}
.mega{position:absolute;top:calc(100% + 12px);inset-inline-start:50%;
  transform:translateX(50%) translateY(-8px);min-width:264px;background:var(--paper);
  border:1px solid var(--line);border-radius:var(--r-s);box-shadow:var(--shadow-lift);
  padding:9px;opacity:0;visibility:hidden;transition:.16s ease}
.nav>.item:hover .mega,.nav>.item:focus-within .mega{opacity:1;visibility:visible;transform:translateX(50%) translateY(0)}
.mega a{display:block;padding:9px 14px;border-radius:12px;font-size:15px;color:var(--body)}
.mega a:hover{background:var(--acc-soft);color:var(--brand);text-decoration:none}
.mega .hd{font-size:12.5px;letter-spacing:.05em;color:var(--muted);padding:7px 14px 8px;font-weight:500}
.app-cta{background:var(--brand-2);color:#fff;padding:11px 22px;border-radius:999px;
  font-size:14.5px;font-weight:500;white-space:nowrap;flex:0 0 auto}
.app-cta:hover{background:var(--brand);color:#fff;text-decoration:none}
.burger{display:none;margin-inline-start:auto;width:44px;height:44px;border:1px solid var(--line);
  background:var(--paper);border-radius:14px;cursor:pointer;align-items:center;justify-content:center}
.burger span{display:block;width:19px;height:2px;background:var(--brand);position:relative;border-radius:2px}
.burger span::before,.burger span::after{content:"";position:absolute;inset-inline-start:0;
  width:19px;height:2px;background:var(--brand);border-radius:2px}
.burger span::before{top:-6px}.burger span::after{top:6px}

/* -------------------------------------------------------------------- hero */
.hero{padding:78px 0 64px;text-align:center;position:relative;overflow:hidden;
  background:linear-gradient(180deg,#eef7f1 0%,var(--bg) 78%)}
.hero.left{text-align:start;background:none;padding:34px 0 44px}
.hero::before{content:"";position:absolute;inset-inline-end:-180px;top:-220px;width:620px;height:620px;
  border-radius:50%;background:radial-gradient(circle,rgba(160,243,212,.28) 0,rgba(160,243,212,0) 70%);
  pointer-events:none}
.hero>*{position:relative}
.eyebrow{display:inline-flex;align-items:center;gap:8px;background:var(--acc-soft);color:var(--acc-deep);
  border:1px solid var(--acc-tint);padding:7px 18px;border-radius:999px;
  font-size:13.5px;font-weight:500;letter-spacing:.03em;margin-bottom:24px}
.hero h1{font-size:clamp(33px,5.4vw,56px);letter-spacing:-1.2px;line-height:1.1;
  max-width:17ch;margin-inline:auto}
.hero.left h1{margin-inline:0;max-width:22ch}
.hero .lead{font-size:clamp(17.5px,2.1vw,21px);color:var(--body);max-width:62ch;
  margin:22px auto 0;line-height:1.7}
.hero.left .lead{margin-inline:0}
.hero-stats{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-top:44px}
.hero.left .hero-stats{grid-template-columns:repeat(auto-fit,minmax(150px,1fr));max-width:520px;margin-top:32px}
.stat{background:var(--paper);border:1px solid var(--line);border-radius:var(--r-s);
  padding:22px 18px;box-shadow:var(--shadow)}
.stat b{display:block;font-size:32px;color:var(--brand);font-weight:600;line-height:1.1;letter-spacing:-1px}
.stat span{font-size:13.5px;color:var(--muted);display:block;margin-top:6px}

/* ------------------------------------------------------------------ blocks */
.sec{padding:72px 0}
.sec.tight{padding:40px 0}
.sec.paper{background:var(--paper);border-block:1px solid var(--line)}
.sec-hd{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;
  margin-bottom:34px;flex-wrap:wrap}
.sec-hd h2{font-size:clamp(24px,3.2vw,32px);display:flex;align-items:center;gap:16px}
.sec-hd h2::after{content:"";width:46px;height:3px;background:var(--acc);border-radius:2px;flex:0 0 auto}
.sec-hd p{margin:10px 0 0;color:var(--muted);max-width:64ch;font-size:16px;line-height:1.6}
.grid{display:grid;gap:24px}
.g2{grid-template-columns:repeat(2,1fr)}
.g3{grid-template-columns:repeat(3,1fr)}
.g4{grid-template-columns:repeat(4,1fr)}

.card{background:var(--paper);border:1px solid var(--line);border-radius:var(--r-m);
  overflow:hidden;box-shadow:var(--shadow);display:flex;flex-direction:column;position:relative;
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease}
.card:hover{transform:translateY(-3px);box-shadow:var(--shadow-lift);border-color:var(--acc-tint)}
.card .cover{width:100%;height:auto;border-bottom:1px solid var(--line)}
.card-b{padding:22px 22px 24px;display:flex;flex-direction:column;gap:11px;flex:1}
.card h3{font-size:20px}
.card h3 a{color:inherit}
.card h3 a::after{content:"";position:absolute;inset:0}
.card p{margin:0;font-size:15.5px;color:var(--muted);line-height:1.62}
.kicker{font-size:12.5px;font-weight:600;letter-spacing:.05em;color:var(--acc-deep);
  background:var(--acc-soft);border:1px solid var(--acc-tint);border-radius:999px;
  padding:5px 13px;align-self:flex-start}
.card-meta{margin-top:auto;padding-top:14px;font-size:13px;color:var(--muted);
  display:flex;gap:10px;align-items:center;flex-wrap:wrap}
.card.flat .card-b{padding:19px 20px}

.rows{display:grid;gap:12px}
.row{display:flex;align-items:center;gap:16px;background:var(--paper);border:1px solid var(--line);
  border-radius:var(--r-s);padding:15px 18px;position:relative;transition:.16s ease}
.row:hover{border-color:var(--acc-tint);background:var(--acc-soft)}
.row .n{flex:0 0 34px;height:34px;border-radius:11px;background:var(--acc-tint);color:var(--acc-deep);
  display:grid;place-items:center;font-size:13.5px;font-weight:600}
.row b{font-weight:500;font-size:16.6px;color:var(--ink);display:block;line-height:1.4}
.row b a{color:inherit}
.row b a::after{content:"";position:absolute;inset:0}
.row small{color:var(--muted);font-size:13.6px;display:block;margin-top:3px}
.row .arw{margin-inline-start:auto;color:var(--muted);flex:0 0 auto;font-size:13.5px;white-space:nowrap}

/* ----------------------------------------------------------------- article */
.crumbs{font-size:13.6px;color:var(--muted);padding:22px 0 0;display:flex;flex-wrap:wrap;
  gap:8px;align-items:center}
.crumbs a{color:var(--muted)}
.crumbs a:hover{color:var(--brand)}
.crumbs .sep{opacity:.45}
.art-hd{padding:14px 0 34px}
.art-hd h1{font-size:clamp(29px,4.4vw,48px);letter-spacing:-1.1px;line-height:1.14;max-width:20ch}
.art-hd .lead{font-size:clamp(17.5px,2vw,21px);color:var(--body);max-width:66ch;margin:20px 0 0;line-height:1.7}
.art-meta{display:flex;flex-wrap:wrap;gap:12px;margin-top:24px;font-size:14.5px;
  color:var(--muted);align-items:center}
.art-meta .dot{width:4px;height:4px;border-radius:50%;background:var(--outline)}
.chip{display:inline-flex;align-items:center;background:var(--acc-soft);border:1px solid var(--acc-tint);
  color:var(--acc-deep);padding:6px 16px;border-radius:999px;font-weight:600;font-size:13px;
  letter-spacing:.05em;margin-bottom:20px}
.chip:hover{text-decoration:none;background:var(--acc-tint)}
.art-cover{border-radius:var(--r-l);overflow:hidden;box-shadow:var(--shadow);
  border:1px solid var(--line);margin-bottom:50px}
.art-cover svg{width:100%;height:auto}

.layout{display:grid;grid-template-columns:1fr 262px;gap:56px;align-items:start;padding-bottom:70px}
.toc{position:sticky;top:100px;background:var(--paper);border:1px solid var(--line);
  border-radius:var(--r-m);padding:22px;box-shadow:var(--shadow)}
.toc h2{font-size:13px;letter-spacing:.08em;color:var(--muted);font-weight:600;margin-bottom:14px}
.toc ol{list-style:none;margin:0;padding:0;counter-reset:t}
.toc li{counter-increment:t;margin-bottom:2px}
.toc a{display:block;font-size:14.6px;color:var(--body);padding:8px 11px;border-radius:11px;line-height:1.45}
.toc a::before{content:counter(t) ". ";color:var(--muted);font-size:13px}
.toc a:hover{background:var(--acc-soft);text-decoration:none}
.toc a.on{background:var(--acc-tint);color:var(--acc-deep);font-weight:500}

.body{font-size:18px;line-height:1.8;max-width:none}
.body>*+*{margin-top:1.2em}
.body h2{font-size:clamp(23px,3vw,32px);margin-top:2.1em;scroll-margin-top:110px}
.body h2::after{content:"";display:block;width:46px;height:3px;background:var(--acc);
  border-radius:2px;margin-top:10px}
.body h3{font-size:clamp(19px,2.2vw,24px);margin-top:1.8em;color:var(--brand-2)}
.body p{margin:0}
.body strong{color:var(--ink);font-weight:500}
.body ul,.body ol{margin:0;padding-inline-start:1.4em}
.body li{margin-bottom:.55em}
.body li::marker{color:var(--acc)}
.body a{color:var(--brand-2);border-bottom:1px solid var(--acc-tint)}
.body a:hover{border-bottom-color:var(--acc);text-decoration:none}

/* tables */
.tw{overflow-x:auto;border:1px solid var(--line);border-radius:var(--r-s);background:var(--paper);
  box-shadow:var(--shadow);-webkit-overflow-scrolling:touch}
table{border-collapse:collapse;width:100%;min-width:540px;font-size:15.6px}
caption{caption-side:top;text-align:start;padding:17px 20px 6px;font-size:14px;
  color:var(--muted);font-weight:500}
th,td{padding:14px 18px;text-align:start;border-bottom:1px solid var(--line-2);
  vertical-align:top;line-height:1.55}
thead th{background:var(--acc-soft);color:var(--acc-deep);font-weight:600;font-size:14.4px;
  letter-spacing:.02em;border-bottom:1px solid var(--acc-tint);position:sticky;top:0}
tbody tr:last-child td{border-bottom:none}
tbody tr:nth-child(even){background:var(--c-low)}
tbody tr:hover{background:var(--acc-soft)}
td.num,th.num{font-variant-numeric:tabular-nums;white-space:nowrap}
.tag-yes{color:var(--brand-3);font-weight:500}
.tag-no{color:#a33a3a;font-weight:500}
.tag-mid{color:var(--amber-ink);font-weight:500}

/* callouts */
.box{border:1px solid var(--line);border-radius:var(--r-m);padding:26px 28px;background:var(--paper);
  box-shadow:var(--shadow)}
.box>*+*{margin-top:.85em}
.box h3{margin-top:0;font-size:19px;color:var(--ink);font-weight:500}
.box.key{background:linear-gradient(180deg,var(--acc-soft),var(--paper));border-color:var(--acc-tint)}
.box.key h3{color:var(--acc-deep)}
.box.warn{background:#fff8ec;border-color:#f4dcae}
.box.warn h3{color:var(--amber-ink)}
.box.tip{background:var(--mint-soft);border-color:#c6e5d6}
.box.tip h3{color:var(--brand)}
.box ul,.box ol{padding-inline-start:1.25em;margin:0}
.box li{margin-bottom:.45em}

.quote{position:relative;background:var(--c-low);border-radius:var(--r-s);
  padding:30px 34px;font-size:clamp(19px,2.3vw,24px);line-height:1.5;color:var(--brand-2);
  font-weight:500;letter-spacing:-.4px;border:0}
.quote::before{content:"";position:absolute;inset-block:0;inset-inline-start:0;width:6px;
  background:var(--acc);border-start-start-radius:var(--r-s);border-end-start-radius:var(--r-s)}

.steps{list-style:none;counter-reset:s;padding:0;margin:0;display:grid;gap:14px}
.steps li{counter-increment:s;background:var(--paper);border:1px solid var(--line);
  border-radius:var(--r-s);padding:20px 22px;position:relative;padding-inline-start:70px;
  margin:0;box-shadow:var(--shadow)}
.steps li::before{content:counter(s);position:absolute;inset-inline-start:20px;top:18px;
  width:34px;height:34px;border-radius:50%;background:var(--brand-2);color:#fff;
  display:grid;place-items:center;font-size:15px;font-weight:600}
.steps b{display:block;color:var(--ink);margin-bottom:4px;font-weight:500}

.check{list-style:none;padding:0;margin:0;background:var(--paper);border:1px solid var(--line);
  border-radius:var(--r-m);box-shadow:var(--shadow);overflow:hidden}
.check li{position:relative;padding:16px 58px 16px 22px;margin:0;
  border-bottom:1px solid var(--line-2);line-height:1.6}
.check li:last-child{border-bottom:0}
.check li::before{content:"";position:absolute;inset-inline-start:20px;top:20px;width:22px;height:22px;
  border-radius:50%;background:var(--brand-3);
  -webkit-mask:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'><path d='M12 2a10 10 0 100 20 10 10 0 000-20zm-1.3 14.3l-4-4 1.4-1.4 2.6 2.6 5.6-5.6 1.4 1.4-7 7z'/></svg>") center/contain no-repeat;
  mask:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'><path d='M12 2a10 10 0 100 20 10 10 0 000-20zm-1.3 14.3l-4-4 1.4-1.4 2.6 2.6 5.6-5.6 1.4 1.4-7 7z'/></svg>") center/contain no-repeat}

/* faq */
.faq{display:grid;gap:12px}
.faq details{background:var(--paper);border:1px solid var(--line);border-radius:var(--r-s);
  overflow:hidden;transition:.16s;box-shadow:var(--shadow)}
.faq details[open]{border-color:var(--acc-tint)}
.faq summary{cursor:pointer;padding:19px 24px;font-weight:500;color:var(--ink);font-size:17px;
  list-style:none;display:flex;justify-content:space-between;gap:16px;align-items:flex-start;line-height:1.5}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";color:var(--brand-2);font-size:24px;line-height:1;flex:0 0 auto;
  transition:transform .18s;font-weight:400}
.faq details[open] summary::after{transform:rotate(45deg)}
.faq summary:hover{background:var(--acc-soft)}
.faq details>div{padding:0 24px 20px;color:var(--body);font-size:16.6px;line-height:1.75}
.faq details>div>*+*{margin-top:.7em}
.faq details>div p{margin:0}

/* promo */
.promo{background:var(--brand);color:#d6efe4;border-radius:var(--r-l);padding:56px 48px;
  text-align:center;position:relative;overflow:hidden}
.promo::after{content:"";position:absolute;inset-inline-start:-120px;bottom:-180px;width:420px;height:420px;
  border-radius:50%;background:rgba(160,243,212,.09)}
.promo::before{content:"";position:absolute;inset-inline-end:-90px;top:-160px;width:340px;height:340px;
  border-radius:50%;background:rgba(160,243,212,.07)}
.promo>*{position:relative}
.promo h2{color:#fff;font-size:clamp(24px,3.2vw,34px);letter-spacing:-.8px}
.promo p{margin:16px auto 28px;color:#b9d9cb;font-size:17px;max-width:58ch;line-height:1.7}
.btn{display:inline-flex;align-items:center;gap:9px;background:var(--mint);color:var(--on-mint);
  font-weight:500;padding:14px 30px;border-radius:999px;font-size:16.5px;border:0;cursor:pointer;
  position:relative;transition:.16s}
.btn:hover{background:#8ce9c6;text-decoration:none;color:#00412f}
.btn.ghost{background:transparent;border:1.5px solid var(--brand-2);color:var(--brand-2)}
.btn.ghost:hover{background:var(--mint-soft);color:var(--brand)}
.btn.solid{background:var(--brand-2);color:#fff}
.btn.solid:hover{background:var(--brand);color:#fff}

/* tools */
.tool{background:var(--paper);border:1px solid var(--line);border-radius:var(--r-l);
  padding:32px 34px;box-shadow:var(--shadow-lift)}
.tool h2{font-size:22px;margin-bottom:8px}
.tool h2::after{display:none}
.tool .hint{color:var(--muted);font-size:15.5px;margin:0 0 24px;line-height:1.6}
.fields{display:grid;gap:18px;grid-template-columns:repeat(auto-fit,minmax(190px,1fr))}
.field label{display:block;font-size:14.4px;font-weight:500;color:var(--ink);margin-bottom:7px}
.field input,.field select{width:100%;padding:13px 16px;border:1px solid var(--line);
  border-radius:var(--r-s);font-family:inherit;font-size:16px;background:var(--bg);color:var(--ink)}
.field input:focus,.field select:focus{outline:none;border-color:var(--brand-2);background:var(--paper);
  box-shadow:0 0 0 4px rgba(15,110,86,.1)}
.field small{display:block;color:var(--muted);font-size:12.8px;margin-top:6px;line-height:1.5}
.out{margin-top:28px;border-top:1px solid var(--line);padding-top:26px}
.out-total{display:flex;align-items:baseline;gap:12px;flex-wrap:wrap;margin-bottom:20px}
.out-total b{font-size:36px;color:var(--brand);font-weight:600;font-variant-numeric:tabular-nums;letter-spacing:-1px}
.out-total span{color:var(--muted);font-size:15px}
.pills{display:flex;flex-wrap:wrap;gap:10px}
.pill{background:var(--acc-soft);border:1px solid var(--acc-tint);color:var(--acc-deep);
  border-radius:999px;padding:8px 17px;font-size:14.4px}
.cklist{display:grid;gap:9px}
.cklist label{display:flex;gap:12px;align-items:flex-start;background:var(--paper);
  border:1px solid var(--line);border-radius:var(--r-s);padding:14px 17px;cursor:pointer;
  font-size:15.8px;transition:.14s;line-height:1.55}
.cklist label:hover{border-color:var(--acc-tint);background:var(--acc-soft)}
.cklist input{margin-top:5px;accent-color:var(--brand-2);width:18px;height:18px;flex:0 0 auto}
.cklist input:checked+span{text-decoration:line-through;color:var(--muted)}
.prog{height:10px;background:var(--c-mid);border-radius:999px;overflow:hidden;margin:18px 0 24px}
.prog i{display:block;height:100%;background:var(--brand-2);border-radius:999px;transition:width .3s ease;width:0}

/* pager */
.pager{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:48px}
.pager a{background:var(--paper);border:1px solid var(--line);border-radius:var(--r-s);
  padding:18px 22px;display:block;transition:.16s}
.pager a:hover{border-color:var(--acc-tint);background:var(--acc-soft);text-decoration:none}
.pager small{display:block;color:var(--muted);font-size:12.8px;margin-bottom:5px}
.pager b{color:var(--ink);font-weight:500;font-size:16px;line-height:1.4}
.pager .nx{text-align:start}

/* ------------------------------------------------------------------ footer */
.ftr{background:var(--brand);color:#b5d6c8;margin-top:0;padding:64px 0 32px;font-size:15.2px}
.ftr a{color:#b5d6c8}
.ftr a:hover{color:#fff}
.ftr-grid{display:grid;grid-template-columns:1.5fr repeat(3,1fr);gap:38px}
.ftr h3{color:#fff;font-size:15px;font-weight:500;margin-bottom:14px;letter-spacing:0}
.ftr h3 a{color:#fff}
.ftr ul{list-style:none;margin:0;padding:0;display:grid;gap:9px;font-size:14.6px}
.ftr .mark{color:#fff;font-size:28px;display:block}
.ftr .mark span{display:block;color:#8fbcaa;margin-top:6px;font-size:13px}
.ftr p{color:#8fbcaa;margin:16px 0 0;max-width:40ch;font-size:14.6px;line-height:1.7}
.ftr-bot{border-top:1px solid rgba(255,255,255,.1);margin-top:44px;padding-top:24px;
  display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;font-size:13.6px;color:#8fbcaa}
.ftr-bot a{color:#8fbcaa}

.up{position:fixed;inset-inline-start:24px;bottom:24px;width:48px;height:48px;border-radius:50%;
  background:var(--paper);border:1px solid var(--line);box-shadow:var(--shadow-lift);cursor:pointer;
  display:grid;place-items:center;opacity:0;visibility:hidden;transition:.2s;z-index:90;color:var(--brand)}
.up.show{opacity:1;visibility:visible}

/* -------------------------------------------------------------- responsive */
@media (max-width:1100px){
  .layout{grid-template-columns:1fr;gap:0}
  .toc{position:static;margin-bottom:34px}
  .toc ol{columns:2;column-gap:20px}
  .g4{grid-template-columns:repeat(2,1fr)}
  .hero-stats{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:920px){
  .nav,.app-cta{display:none}
  .burger{display:flex}
  .nav.open{display:block;position:fixed;inset:74px 0 0;background:var(--bg);overflow-y:auto;
    padding:18px 24px 60px;margin:0;z-index:99}
  .nav.open>.item>a{padding:15px 6px;font-size:18px;border-radius:0;border-bottom:1px solid var(--line)}
  .nav.open .mega{position:static;transform:none;opacity:1;visibility:visible;box-shadow:none;
    border:0;background:transparent;padding:8px 0 16px;min-width:0}
  .nav.open .mega a{padding:9px 14px;font-size:15.6px;color:var(--muted)}
  .nav.open .mega .hd{display:none}
  .g3,.g2{grid-template-columns:1fr}
  .ftr-grid{grid-template-columns:1fr 1fr;gap:28px}
  .promo{padding:38px 26px}
  .mark span{display:none}
}
@media (max-width:600px){
  body{font-size:17px}
  :root{--gutter:16px}
  .hero{padding:44px 0 36px}
  .g4{grid-template-columns:1fr}
  .toc ol{columns:1}
  .ftr-grid{grid-template-columns:1fr}
  .pager{grid-template-columns:1fr}
  .body{font-size:17.2px}
  .sec{padding:46px 0}
  .tool{padding:22px 18px}
  .box{padding:20px 20px}
  .quote{padding:22px 24px}
  .steps li{padding-inline-start:62px}
  .check li{padding:14px 52px 14px 18px}
}
@media print{.hdr,.ftr,.up,.toc,.promo,.pager{display:none}.layout{display:block}}
@media (prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important;scroll-behavior:auto}}

/* in-body branded figures */
.fig{margin:2.4em 0;border-radius:var(--r-m);overflow:hidden;border:1px solid var(--line);
  background:var(--paper);box-shadow:var(--shadow)}
.fig .figart{width:100%;height:auto;aspect-ratio:40/9;display:block;border-bottom:1px solid var(--line)}
.fig figcaption{padding:14px 22px;font-size:14.2px;color:var(--muted);line-height:1.6;
  background:var(--paper)}
.art-cover svg{aspect-ratio:21/8}
@media (max-width:600px){
  .fig .figart{aspect-ratio:16/7}
  .fig figcaption{padding:12px 16px;font-size:13.6px}
}