/* NVRV — энциклопедия строительного инструмента */
/* Один облегчённый файл (tools/make-font.sh). optional: текст не ждёт шрифт, страница не «прыгает» */
@font-face{font-family:"Golos Text";font-style:normal;font-weight:400 800;font-display:optional;
  src:url(/assets/fonts/golos.woff2) format("woff2")}

:root{
  --bg:#f5f4f0;--surface:#ffffff;--surface-2:#efede7;--ink:#1b1f24;--ink-2:#3a4149;--muted:#646d77;
  --line:#e2dfd6;--accent:#f2b705;--accent-ink:#16191d;--link:#8a5300;--link-hover:#b86e00;
  --dark:#16191d;--dark-2:#1f2328;--dark-ink:#eef0f2;--dark-muted:#a1a9b2;
  --tip:#e9f6ec;--tip-b:#2f9e55;--info:#e9f1fb;--info-b:#2f6fbf;--warn:#fff5d6;--warn-b:#d79a00;--danger:#fdecea;--danger-b:#c8382c;
  --radius:12px;--shadow:0 1px 2px rgba(20,24,28,.05),0 6px 18px rgba(20,24,28,.06);
  --font:"Golos Text",system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;
}
@media (prefers-color-scheme:dark){:root{
  --bg:#121417;--surface:#1a1d21;--surface-2:#202429;--ink:#eceae4;--ink-2:#d0d3d7;--muted:#a0a8b0;
  --line:#2c3137;--link:#f5c53a;--link-hover:#ffd968;
  --tip:#13261a;--info:#14202f;--warn:#2a2410;--danger:#2c1715;
  --shadow:0 1px 2px rgba(0,0,0,.3),0 6px 18px rgba(0,0,0,.25);
}}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-padding-top:20px}
body{margin:0;background:var(--bg);color:var(--ink);font:400 17px/1.65 var(--font);text-rendering:optimizeLegibility}
img,svg{display:block;max-width:100%}
a{color:var(--link);text-decoration-thickness:1px;text-underline-offset:3px}
a:hover{color:var(--link-hover)}
h1,h2,h3,h4{line-height:1.2;letter-spacing:-.01em;margin:0}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);border:0}
.skip{position:absolute;left:-999px;top:8px;z-index:100;background:var(--accent);color:var(--accent-ink);padding:8px 14px;border-radius:8px;font-weight:600}
.skip:focus{left:16px}
:focus-visible{outline:3px solid var(--accent);outline-offset:2px}
.ico{width:20px;height:20px;flex:none}
.wrap{max-width:1200px;margin:0 auto;padding:0 20px}
.wrap-narrow{max-width:860px}

/* --- шапка --- */
.site-header{background:var(--dark);color:var(--dark-ink)}
.hdr{display:flex;align-items:center;gap:20px;min-height:68px}
.logo{display:flex;align-items:center;gap:10px;color:#fff;text-decoration:none;flex:none}
.logo:hover{color:#fff}
.logo-mark{width:38px;height:38px}
.logo-text{display:flex;flex-direction:column;line-height:1.05}
.logo-text b{font-size:21px;font-weight:800;letter-spacing:.04em}
.logo-text small{font-size:11.5px;color:var(--dark-muted);letter-spacing:.02em}
.hdr-search{display:flex;align-items:center;margin-left:auto;width:min(420px,45%);background:var(--dark-2);border:1px solid #2d3238;border-radius:10px}
.hdr-search input{flex:1;min-width:0;background:transparent;border:0;color:#fff;font:inherit;font-size:15px;padding:9px 4px 9px 14px}
.hdr-search input::placeholder{color:#7d868f}
.hdr-search input:focus{outline:none}
.hdr-search:focus-within{border-color:var(--accent)}
.hdr-search button{background:none;border:0;color:var(--dark-muted);padding:8px 12px;cursor:pointer}
.hdr-search button:hover{color:var(--accent)}
.main-nav{background:var(--dark-2);border-top:1px solid #262a30}
.main-nav ul{display:flex;flex-wrap:wrap;list-style:none;margin:0 -12px;padding:0}
.main-nav a{display:block;padding:11px 12px;color:var(--dark-ink);text-decoration:none;font-size:15px;font-weight:500;white-space:nowrap;border-bottom:2px solid transparent}
.main-nav a:hover{color:#fff;border-bottom-color:#4a525b}
.main-nav a[aria-current],.main-nav a.active{color:var(--accent);border-bottom-color:var(--accent)}
.burger{display:none;background:none;border:0;color:#fff;padding:8px;margin-right:-8px;cursor:pointer}
.burger .ico{width:26px;height:26px}
.burger .i-close{display:none}
.hazard{height:6px;background:repeating-linear-gradient(-45deg,var(--accent) 0 12px,var(--dark) 12px 24px)}

@media (max-width:1020px){
  .hdr{flex-wrap:wrap;gap:10px 12px;padding-top:10px;padding-bottom:12px;min-height:0}
  .burger{display:block;margin-left:auto}
  .hdr-search{order:3;flex:1 1 100%;width:auto;margin-left:0}
  .main-nav{display:none}
  .main-nav ul{flex-direction:column;margin:0;padding:4px 0 10px}
  .main-nav a{padding:12px 4px;font-size:16.5px;border-bottom:1px solid #2c3137}
  .main-nav a:hover{border-bottom-color:#2c3137}
  .main-nav a[aria-current],.main-nav a.active{border-bottom-color:#2c3137}
  .nav-open .main-nav{display:block}
  .nav-open .burger .i-open{display:none}
  .nav-open .burger .i-close{display:block}
}

/* --- хлебные крошки --- */
.crumbs{padding:18px 0 4px;font-size:14px;color:var(--muted)}
.crumbs ol{display:flex;flex-wrap:wrap;align-items:center;list-style:none;margin:0;padding:0;gap:4px}
.crumbs li{display:flex;align-items:center}
.crumbs li+li::before{content:"/";margin:0 8px 0 4px;color:var(--line);font-weight:600}
.crumbs a{color:var(--muted);text-decoration:none}
.crumbs a:hover{color:var(--link)}
.crumbs .ico{width:16px;height:16px}

/* --- статья --- */
.layout{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:40px;align-items:start;padding-bottom:56px}
.article{min-width:0}
.art-head{padding:14px 0 18px;border-bottom:1px solid var(--line);margin-bottom:28px}
.kicker{display:inline-block;margin:0 0 10px;font-size:13px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--accent-ink);background:var(--accent);padding:3px 9px;border-radius:5px}
.art-head h1,.hub-head h1{font-size:clamp(30px,4.2vw,44px);font-weight:800}
.lead{font-size:19px;color:var(--ink-2);margin:14px 0 0;max-width:62ch}
.art-meta{display:flex;flex-wrap:wrap;align-items:center;gap:6px;margin:16px 0 0;font-size:14px;color:var(--muted)}
.art-meta .ico{width:16px;height:16px}
.art-meta .dot{margin:0 6px}

.prose{max-width:760px}
.prose-wide{max-width:none}
.prose>*+*{margin-top:1em}
.prose p,.prose li{max-width:72ch}
.prose h2{font-size:28px;font-weight:800;margin-top:1.8em;padding-top:4px}
.prose h3{font-size:21px;font-weight:700;margin-top:1.5em}
.prose h4{font-size:18px;margin-top:1.3em}
.prose h2+*,.prose h3+*{margin-top:.6em}
.prose ul,.prose ol{padding-left:1.4em}
.prose li+li{margin-top:.35em}
.prose ul li::marker{color:var(--accent)}
.prose ol li::marker{font-weight:700;color:var(--muted)}
.prose strong{font-weight:700}
.prose code{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:.88em;background:var(--surface-2);padding:.1em .35em;border-radius:5px}
.prose blockquote{margin-left:0;margin-right:0;padding:4px 0 4px 18px;border-left:4px solid var(--accent);color:var(--ink-2);font-style:italic}

.table-wrap{overflow-x:auto;-webkit-overflow-scrolling:touch;border:1px solid var(--line);border-radius:var(--radius);background:var(--surface)}
table{width:100%;border-collapse:collapse;font-size:15.5px;line-height:1.45}
th,td{padding:10px 14px;text-align:left;vertical-align:top;border-bottom:1px solid var(--line)}
thead th{background:var(--surface-2);font-weight:700;font-size:14.5px;white-space:nowrap}
tbody tr:last-child>*{border-bottom:0}
tbody tr:hover{background:color-mix(in srgb,var(--accent) 6%,transparent)}
table.specs th{width:42%;font-weight:600;color:var(--ink-2);background:transparent}
table caption{caption-side:top;text-align:left;padding:12px 14px 4px;font-weight:700}

.callout{border-radius:var(--radius);padding:14px 18px;border-left:4px solid;background:var(--info);border-color:var(--info-b)}
.callout>*+*{margin-top:.6em}
.callout-title{display:flex;align-items:center;gap:8px;font-weight:700;margin:0}
.callout-tip{background:var(--tip);border-color:var(--tip-b)}
.callout-tip .callout-title{color:var(--tip-b)}
.callout-info .callout-title{color:var(--info-b)}
.callout-warn{background:var(--warn);border-color:var(--warn-b)}
.callout-warn .callout-title{color:var(--warn-b)}
.callout-danger{background:var(--danger);border-color:var(--danger-b)}
.callout-danger .callout-title{color:var(--danger-b)}
.callout-note{background:var(--surface-2);border-color:var(--muted)}
.callout ul,.callout ol{margin:.4em 0 0}

.proscons{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.proscons>div{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:14px 18px}
.pc-title{margin:0 0 6px;font-weight:700;display:flex;align-items:center;gap:8px}
.pros .pc-title::before,.cons .pc-title::before{content:"";width:10px;height:10px;border-radius:50%;background:var(--tip-b)}
.cons .pc-title::before{background:var(--danger-b)}
.proscons ul{margin:0;padding-left:1.2em}
.pros li::marker{color:var(--tip-b)!important}
.cons li::marker{color:var(--danger-b)!important}

.steps ol{counter-reset:st;list-style:none;padding:0}
.steps ol>li{counter-increment:st;position:relative;padding:2px 0 2px 46px;min-height:34px}
.steps ol>li+li{margin-top:12px}
.steps ol>li::before{content:counter(st);position:absolute;left:0;top:0;width:32px;height:32px;border-radius:50%;background:var(--dark);color:var(--accent);font-weight:800;display:grid;place-items:center;font-size:15px}

.faq{border:1px solid var(--line);border-radius:var(--radius);background:var(--surface);overflow:hidden}
.faq-item+.faq-item{border-top:1px solid var(--line)}
.faq-item summary{cursor:pointer;list-style:none;padding:14px 48px 14px 18px;font-weight:600;position:relative}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:"+";position:absolute;right:18px;top:50%;transform:translateY(-50%);font-size:22px;font-weight:400;color:var(--muted)}
.faq-item[open] summary::after{content:"−"}
.faq-item summary:hover{background:var(--surface-2)}
.faq-a{padding:0 18px 16px}
.faq-a>*+*{margin-top:.6em}
.faq-a p{margin:0}

.lead-box{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:18px 22px;box-shadow:var(--shadow)}
.lead-box>*+*{margin-top:.7em}
.lead-box p:first-child{margin-top:0}

/* --- карточки --- */
.cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:14px}
.prose .cards{margin-top:1.2em}
.card{display:flex;gap:14px;align-items:flex-start;padding:16px 18px;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);text-decoration:none;color:var(--ink);transition:border-color .15s,transform .15s,box-shadow .15s}
.card:hover{border-color:var(--accent);color:var(--ink);transform:translateY(-2px);box-shadow:var(--shadow)}
.card-ico{flex:none;width:44px;height:44px;border-radius:10px;background:var(--dark);color:var(--accent);display:grid;place-items:center}
.card-ico .ico{width:24px;height:24px}
.card-body{display:flex;flex-direction:column;gap:4px;min-width:0}
.card-title{font-weight:700;font-size:17px;line-height:1.3}
.card-text{font-size:14.5px;line-height:1.45;color:var(--muted)}
.cards-3{grid-template-columns:repeat(3,1fr)}
.cards-sm{grid-template-columns:repeat(auto-fill,minmax(220px,1fr))}
.cards-sm .card-ico{width:36px;height:36px}
.cards-sm .card-ico .ico{width:20px;height:20px}
.cards-sm .card-title{font-size:15.5px}

.link-list{list-style:none;padding:0;margin:0;display:grid;gap:2px}
.link-list a{display:flex;align-items:center;gap:10px;padding:10px 12px;border-radius:8px;text-decoration:none;color:var(--ink);font-weight:500}
.link-list a::before{content:"";width:8px;height:8px;border-radius:2px;background:var(--accent);flex:none;transform:rotate(45deg)}
.link-list a:hover{background:var(--surface);color:var(--link)}
.prose .link-list li{margin:0}

/* --- сайдбар --- */
.sidebar{position:sticky;top:20px;display:flex;flex-direction:column;gap:16px;padding-top:18px}
.side-box{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:14px 16px;font-size:15px}
.side-h{display:flex;align-items:center;gap:8px;margin:0 0 8px;font-weight:700;font-size:15px}
.side-h .ico{width:18px;height:18px;color:var(--link)}
.side-h a{color:var(--ink);text-decoration:none}
.toc ol{margin:0;padding-left:1.3em;display:grid;gap:4px}
.toc a,.side-list a{color:var(--ink-2);text-decoration:none;line-height:1.35;display:block;padding:2px 0}
.toc a:hover,.side-list a:hover{color:var(--link)}
.toc a.on{color:var(--link);font-weight:600}
.side-list{list-style:none;margin:0;padding:0;display:grid;gap:2px;max-height:340px;overflow:auto}
.side-list a[aria-current]{color:var(--link);font-weight:700}
.side-cta p{margin:0 0 10px;color:var(--muted);font-size:14px}
.btn{display:inline-flex;align-items:center;gap:8px;background:var(--accent);color:var(--accent-ink);font-weight:700;text-decoration:none;border:0;border-radius:10px;padding:11px 18px;cursor:pointer;font:inherit;font-weight:700}
.btn:hover{background:#ffc928;color:var(--accent-ink)}
.btn-sm{padding:7px 14px;font-size:14.5px}

.prevnext{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-top:40px}
.pn{display:flex;flex-direction:column;padding:14px 18px;border:1px solid var(--line);border-radius:var(--radius);text-decoration:none;background:var(--surface);color:var(--ink)}
.pn small{color:var(--muted);font-size:13px}
.pn span{font-weight:700}
.pn:hover{border-color:var(--accent);color:var(--ink)}
.pn.next{text-align:right}
.related{margin-top:40px}
.related h2{font-size:22px;margin-bottom:14px}

/* --- хаб раздела --- */
.hub-head{display:flex;gap:22px;align-items:flex-start;padding:18px 0 26px}
.hub-ico{flex:none;width:76px;height:76px;border-radius:18px;background:var(--dark);color:var(--accent);display:grid;place-items:center}
.hub-ico .ico{width:40px;height:40px}
.l-hub .prose{padding-bottom:56px}
.l-hub .prose>p,.l-hub .prose>ul,.l-hub .prose>ol{max-width:80ch}

/* --- главная --- */
.hero{background:var(--dark);color:var(--dark-ink);overflow:hidden;position:relative}
.hero::before{content:"";position:absolute;inset:0;background-image:linear-gradient(#22272d 1px,transparent 1px),linear-gradient(90deg,#22272d 1px,transparent 1px);background-size:40px 40px;opacity:.6}
.hero-in{position:relative;display:grid;grid-template-columns:1.25fr 1fr;gap:40px;align-items:center;padding-top:56px;padding-bottom:60px}
.hero h1{font-size:clamp(34px,5.2vw,58px);font-weight:800;color:#fff;max-width:15ch}
.hero .lead{color:#c6ccd2;font-size:19px}
.hero-search{display:flex;margin-top:28px;background:#fff;border-radius:12px;padding:6px;max-width:560px;box-shadow:0 10px 30px rgba(0,0,0,.25)}
.hero-search input{flex:1;min-width:0;border:0;font:inherit;padding:10px 12px;color:#1b1f24;background:transparent}
.hero-search input:focus{outline:none}
.hero-search button{display:flex;align-items:center;gap:8px;background:var(--accent);color:var(--accent-ink);border:0;border-radius:9px;padding:10px 18px;font:inherit;font-weight:700;cursor:pointer}
.hero-search button:hover{background:#ffc928}
.hero-stats{display:flex;flex-wrap:wrap;gap:28px;list-style:none;padding:0;margin:30px 0 0}
.hero-stats li{display:flex;flex-direction:column}
.hero-stats b{font-size:32px;font-weight:800;color:var(--accent);line-height:1.1}
.hero-stats span{font-size:14px;color:var(--dark-muted)}
.hero-art svg{width:100%;height:auto;max-width:440px;margin-left:auto}
.home-block{padding-top:52px}
.block-head{display:flex;justify-content:space-between;align-items:baseline;gap:16px;margin-bottom:18px}
.block-head h2{font-size:clamp(24px,3vw,32px);font-weight:800}
.block-head a{font-weight:600;text-decoration:none;white-space:nowrap}
.cats{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.cat{background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:20px 22px;display:flex;flex-direction:column}
.cat-head{display:flex;align-items:center;gap:14px;color:var(--ink);text-decoration:none}
.cat-head:hover h3{color:var(--link)}
.cat-ico{width:50px;height:50px;border-radius:12px;background:var(--accent);color:var(--accent-ink);display:grid;place-items:center;flex:none}
.cat-ico .ico{width:28px;height:28px}
.cat h3{font-size:20px;font-weight:800}
.cat p{margin:12px 0 10px;color:var(--muted);font-size:15px;line-height:1.5}
.cat ul{list-style:none;margin:auto 0 0;padding:0;display:flex;flex-wrap:wrap;gap:6px}
.cat li a{display:block;padding:4px 10px;border-radius:999px;background:var(--surface-2);color:var(--ink-2);text-decoration:none;font-size:14px}
.cat li a:hover{background:var(--accent);color:var(--accent-ink)}
.cat li.more a{background:transparent;color:var(--link);font-weight:600}
.home-band{background:var(--dark);margin-top:56px;padding:44px 0 50px}
.home-band h2{color:#fff}
.cards-band .card{background:var(--dark-2);border-color:#2c3137;color:var(--dark-ink)}
.cards-band .card:hover{border-color:var(--accent);color:#fff}
.cards-band .card-ico{background:var(--accent);color:var(--accent-ink)}
.cards-band .card-text{color:var(--dark-muted)}
.two-col{display:grid;grid-template-columns:1fr 1fr;gap:40px}
.home-about{padding-bottom:64px}
.home-about h2{font-size:28px}

/* --- глоссарий --- */
.abc{display:flex;flex-wrap:wrap;gap:6px;position:sticky;top:0;z-index:5;background:var(--bg);padding:10px 0;border-bottom:1px solid var(--line)}
.abc a{min-width:34px;height:34px;display:grid;place-items:center;border-radius:8px;background:var(--surface);border:1px solid var(--line);text-decoration:none;font-weight:700;color:var(--ink)}
.abc a:hover{background:var(--accent);border-color:var(--accent);color:var(--accent-ink)}
.prose h2.abc-letter{font-size:30px;color:var(--link);margin-top:1.2em}
.terms{margin:0}
.terms dt{font-weight:700;font-size:18px;margin-top:16px}
.terms dd{margin:4px 0 0;color:var(--ink-2)}
.terms dt:target{background:var(--warn);border-radius:6px;padding:0 6px}

/* --- карта сайта, поиск --- */
.prose .sitemap-tree,.prose .sitemap-tree ul{list-style:none;padding-left:0}
.prose .sitemap-tree ul{padding-left:22px;border-left:2px solid var(--line);margin:6px 0 10px 6px}
.sitemap-tree li{margin:4px 0}
.sitemap-tree>li>a{font-weight:800;font-size:20px}
.sitemap-tree>li>ul>li>a{font-weight:700}
.search-page{display:flex;gap:8px;max-width:640px}
.search-page input{flex:1;min-width:0;font:inherit;padding:12px 14px;border:2px solid var(--line);border-radius:10px;background:var(--surface);color:var(--ink)}
.search-page input:focus{outline:none;border-color:var(--accent)}
.search-page button{font:inherit;font-weight:700;background:var(--accent);color:var(--accent-ink);border:0;border-radius:10px;padding:0 22px;cursor:pointer}
.search-status{color:var(--muted)}
.prose .search-results{list-style:none;padding:0;display:grid;gap:12px}
.search-results li{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:14px 18px;max-width:none}
.search-results a{font-weight:700;font-size:18px}
.search-results small{display:block;color:var(--muted);font-size:13px;text-transform:uppercase;letter-spacing:.06em;margin-bottom:2px}
.search-results p{margin:4px 0 0;color:var(--ink-2);font-size:15.5px}
.search-results mark{background:color-mix(in srgb,var(--accent) 45%,transparent);color:inherit;border-radius:2px;padding:0}

/* --- калькуляторы --- */
.calc{background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:20px;box-shadow:var(--shadow)}
.calc-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:14px}
.field{display:flex;flex-direction:column;gap:6px;font-size:14.5px;font-weight:600;color:var(--ink-2)}
.field input,.field select,.calc-table input{font:inherit;font-weight:500;padding:10px 12px;border:1.5px solid var(--line);border-radius:9px;background:var(--bg);color:var(--ink);width:100%}
.field input:focus,.field select:focus,.calc-table input:focus{outline:none;border-color:var(--accent)}
.input-u{display:flex;align-items:center;gap:8px}
.unit{color:var(--muted);font-weight:500;white-space:nowrap}
.calc-table td{vertical-align:middle;padding:8px 12px}
.calc-table td.num{white-space:nowrap;color:var(--ink-2)}
.calc-table input{padding:6px 8px;max-width:110px}
.calc-table input.name{max-width:none}
.calc-out{margin-top:18px;padding:16px 18px;border-radius:12px;background:var(--dark);color:var(--dark-ink)}
.calc-out:empty{display:none}
.calc-out .big{font-size:28px;font-weight:800;color:var(--accent);line-height:1.2}
.calc-out p{margin:6px 0 0;max-width:none}
.calc-out .ok{color:#6fdc8c}.calc-out .bad{color:#ff8a7a}.calc-out .mid{color:#ffd35c}
.calc-out table{margin-top:8px;color:var(--dark-ink)}
.calc-out td,.calc-out th{border-color:#2c3137}
.calc-out thead th{background:#20252b}

/* --- подвал --- */
.site-footer{background:var(--dark);color:var(--dark-muted);margin-top:0}
.ftr{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:32px;padding-top:44px;padding-bottom:30px}
.ftr-about p{font-size:14.5px;line-height:1.6;margin:14px 0 0;max-width:42ch}
.ftr-h{color:#fff;font-weight:700;margin:4px 0 10px}
.site-footer ul{list-style:none;margin:0;padding:0;display:grid;gap:6px}
.site-footer nav a{color:var(--dark-muted);text-decoration:none;font-size:15px}
.site-footer nav a:hover{color:var(--accent)}
.ftr-bottom{border-top:1px solid #262a30;padding-top:18px;padding-bottom:26px;font-size:13.5px}
.ftr-bottom p{margin:0}

/* --- адаптив --- */
@media (max-width:1020px){
  .layout{grid-template-columns:minmax(0,1fr)}
  .sidebar{position:static;padding-top:0}
  .sidebar .toc{display:none}
  .cats,.cards-3{grid-template-columns:1fr 1fr}
  .hero-in{grid-template-columns:1fr}
  .hero-art{display:none}
  .ftr{grid-template-columns:1fr 1fr}
  .abc{top:0}
  html{scroll-padding-top:16px}
}
@media (max-width:680px){
  body{font-size:16.5px}
  .wrap{padding-left:16px;padding-right:16px}
  .hero-stats{gap:14px 22px}
  .hero-stats b{font-size:28px}
  .cats,.cards-3,.two-col,.proscons,.prevnext{grid-template-columns:1fr}
  .two-col{gap:8px}
  .hub-head{flex-direction:column;gap:14px}
  .hub-ico{width:60px;height:60px}
  .hub-ico .ico{width:32px;height:32px}
  .prose h2{font-size:24px}
  .prose h3{font-size:19px}
  .lead{font-size:17.5px}
  .ftr{grid-template-columns:1fr}
  .hero-in{padding-top:36px;padding-bottom:40px}
  .hero-search button span{display:none}
  .pn.next{text-align:left}
  .logo-text small{display:none}
  th,td{padding:9px 11px}
}
@media print{
  .site-header,.site-footer,.sidebar,.hazard,.prevnext,.related{display:none}
  .layout{display:block}
  body{background:#fff;color:#000}
}