/* Component layout: home, product pages, knowledge base, downloads, company. */

/* ---------------- home ---------------- */
.eyebrow{grid-column:1 / -1}
.hero{padding-top:72px}
.hero .eyebrow{grid-column:1 / span 7}
.hero h1{grid-column:1 / span 7;margin-top:16px}
.hero .side{grid-column:9 / span 4;align-self:start;padding-top:17px}
.hero .side p{font-size:14.5px;line-height:1.62;color:var(--muted);max-width:38ch}
.hero .cta{display:flex;gap:12px;margin-top:36px}

.search{grid-column:1 / span 12;display:flex;align-items:center;height:64px;border:1px solid var(--ink);
  margin-top:40px;padding:0 24px;background:#fff;position:relative;transition:border-color var(--dur) var(--ease),
  box-shadow var(--dur) var(--ease)}
.search:focus-within{border-color:var(--accent);box-shadow:0 0 0 1px var(--accent)}
.search input{flex:1;border:0;outline:0;background:none;font:inherit;font-size:16px;color:var(--ink);min-width:0;
  position:relative;z-index:1;appearance:none}
.search input::-webkit-search-cancel-button{display:none}
.search .ph{position:absolute;left:24px;top:50%;transform:translateY(-50%);color:#8B8E91;
  pointer-events:none;opacity:1;transition:opacity 160ms var(--ease)}
.search.busy .ph{opacity:0}
.search .k{margin-left:16px;font-family:'Google Sans Code',ui-monospace,monospace;font-size:10.5px;
  color:var(--muted);border:1px solid var(--line);padding:3px 7px}

.results{display:none;margin-top:24px;border-top:1px solid var(--line)}
.results.on{display:block}
.results a{display:grid;grid-template-columns:200px 1fr;gap:24px;padding:14px 0;border-bottom:1px solid var(--line)}
.results a:hover{background:#FAFBF9}
.results .fam{font-family:'Google Sans Code',monospace;font-size:10px;letter-spacing:.1em;color:var(--muted);padding-top:2px}
.results .t{font-size:15px}
.results .t span{display:block;font-size:12.5px;line-height:1.5;color:var(--muted);margin-top:3px}
.results .none{padding:20px 0;font-size:14px;color:var(--muted)}

.cats{grid-column:1 / span 12;display:grid;grid-template-columns:repeat(3,1fr);border:1px solid var(--line);border-top:0}
.cats a{display:flex;justify-content:space-between;align-items:center;padding:0 24px;height:54px;
  border-right:1px solid var(--line);font-size:13px;transition:background var(--dur) var(--ease)}
.cats a:last-child{border-right:0}
.cats a:hover{background:var(--panel)}
.cats a .num{transition:transform var(--dur) var(--ease)}
.cats a:hover .num{transform:translateX(3px)}

.row{display:grid;grid-template-columns:repeat(12,78px);column-gap:24px;border-bottom:1px solid var(--line);padding:36px 0 48px}
.row:last-child{padding-bottom:48px}
.row .num{grid-column:1;padding-top:6px}
.row .copy{grid-column:2 / span 7}
.row .copy h3{font-size:24px;line-height:1.25;letter-spacing:-.02em;font-weight:600}
.row .copy p{font-size:14px;line-height:1.65;color:var(--muted);max-width:56ch;margin-top:10px}
.row .copy .tags{margin-top:18px;display:flex;flex-wrap:wrap;gap:8px}
.row .view{grid-column:9 / span 4;align-self:stretch;margin-top:6px;display:flex}
.row .ucard{flex:1;display:flex;flex-direction:column}
.row .ucard .ua{flex:1}
.row a.more{display:inline-flex;align-items:center;gap:8px;margin-top:18px;font-size:13px;
  border-bottom:1px solid var(--ink);padding-bottom:4px;transition:gap var(--dur) var(--ease)}
.row a.more:hover{gap:12px}

.ucard{border:1px solid var(--line);background:#fff;transition:border-color var(--dur) var(--ease)}
.row:hover .ucard{border-color:#C9CBC8}
.ucard .uh{display:flex;justify-content:space-between;align-items:baseline;padding:12px 16px;
  border-bottom:1px solid var(--line);font-family:'Google Sans Code',monospace;font-size:9.5px;
  letter-spacing:.1em;color:var(--muted)}
.ucard .uh b{color:var(--ink);font-weight:500}
.ucard .uq{margin:16px;padding:12px 16px;background:var(--panel);border:1px solid var(--line);
  font-size:12.5px;line-height:1.55;color:#33383C}
.ucard .ua{padding:0 16px 14px;font-size:12.5px;line-height:1.6;color:#22262A}
.ucard .ua .cite{font-family:'Google Sans Code',monospace;font-size:8.5px;color:var(--accent);
  border:1px solid var(--accent);padding:0 4px;margin-left:3px}
.ucard .us{border-top:1px solid var(--line);padding:10px 16px;font-family:'Google Sans Code',monospace;
  font-size:9.5px;letter-spacing:.04em;color:var(--muted)}

.vcard{border:1px solid var(--line);background:#fff;transition:border-color var(--dur) var(--ease)}
.row:hover .vcard{border-color:#C9CBC8}
.vcard img{border:0;border-bottom:1px solid var(--line);width:100%;height:auto}
.vcard .vr{display:flex;justify-content:space-between;align-items:baseline;padding:13px 16px;
  border-bottom:1px solid var(--line);font-family:'Google Sans Code',monospace;font-size:10px;
  letter-spacing:.06em;color:var(--muted)}
.vcard .vr:last-child{border-bottom:0}
.vcard .vr b{color:var(--ink);font-weight:500;font-size:11px}

.kb{grid-column:1 / span 5}
.kb .tagm{margin-top:16px;max-width:34ch}
.kblinks{display:flex;gap:24px;margin-top:24px;font-size:13px;color:var(--muted)}
.kblinks a{position:relative;padding-bottom:2px}
.kblinks a::after{content:"";position:absolute;left:0;right:0;bottom:0;height:1px;background:var(--accent);
  transform:scaleX(0);transform-origin:left;transition:transform var(--dur) var(--ease)}
.kblinks a:hover::after{transform:scaleX(1)}
.kbeq{grid-column:6 / span 7}
.kb{margin-top:6px}
.eqplate{border:1px solid var(--line);background:#fff;padding:24px 28px}
.eqplate .label{margin-bottom:20px}
.eqplate .eq{font-size:15px}

/* ---------------- product pages ---------------- */
.phero{padding:72px 0 0}
.phero .lead{grid-column:1 / span 6}
.phero h1,.xl{font-size:52px;line-height:1.05;letter-spacing:-.03em;font-weight:600;margin-top:16px}
.phero .eyebrow{display:block;margin-bottom:16px}
.phero h1{margin-top:0}
.phero .lede{margin-top:20px;max-width:44ch}
.phero .cta{display:flex;gap:12px;margin-top:32px}
.phero .figure{grid-column:8 / span 5;align-self:stretch;display:flex}
.phero .figure .frame{flex:1;display:flex;flex-direction:column}
.phero .figure .frame img{flex:1;object-fit:cover;object-position:center 45%}
.phero .stats{display:grid;grid-template-columns:repeat(3,1fr);border-top:1px solid var(--ink);
  margin-top:40px;grid-column:1 / span 12}
.phero .stats div{padding:20px 36px 0 0;border-right:1px solid var(--line)}
.phero .stats div + div{padding-left:36px}
.phero .stats div:last-child{border-right:0;padding-right:0}
.phero .stats b{display:block;font-size:26px;letter-spacing:-.02em;font-weight:600}
.phero .stats > div > span{display:block;margin-top:4px;font-family:'Google Sans Code',monospace;font-size:10px;letter-spacing:.1em;color:var(--muted)}

.steps{display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid var(--line);column-gap:40px}
.steps div{padding:26px 0 0}
.steps .n{font-family:'Google Sans Code',monospace;font-size:11px;color:var(--accent)}
.steps h3{font-size:15px;font-weight:600;margin:10px 0 6px}
.steps p{font-size:13px;line-height:1.55;color:var(--muted);max-width:26ch}

.spec{display:grid;grid-template-columns:repeat(2,1fr);column-gap:64px}
.spec table{font-size:13.5px}
.spec td{padding:12px 0;border-bottom:1px solid var(--line);vertical-align:top}
.spec td:last-child{text-align:right;font-family:'Google Sans Code',monospace;font-size:12px;color:var(--muted)}
.spec h3{font-size:13px;font-family:'Google Sans Code',monospace;letter-spacing:.12em;color:var(--muted);
  text-transform:uppercase;margin-bottom:12px}

.feature{display:grid;grid-template-columns:repeat(12,78px);column-gap:24px;align-items:start;grid-auto-flow:dense;padding:56px 0}
.feature > *{min-width:0}
.feature:first-child{padding-top:0}
.feature:last-child{padding-bottom:0}
  border-top:1px solid var(--line)}
.feature .txt{grid-column:1 / span 5;grid-row:1}
.feature:not(.rev):not(.texty) .txt{grid-column:1 / span 6}
.feature .fig{grid-column:7 / span 6;grid-row:1;padding-top:4px;align-self:start}
.feature.rev .txt{grid-column:8 / span 5;grid-row:1}
.feature.rev .fig{grid-column:1 / span 6;grid-row:1}
.feature h2{font-size:26px;line-height:1.2;letter-spacing:-.02em;font-weight:600;margin-bottom:14px}
.feature .label{display:block;margin-bottom:12px}
.feature h2 + p{margin-top:0}
.feature p{font-size:14.5px;line-height:1.68;color:var(--muted);max-width:46ch}

.caps{display:grid;grid-template-columns:1fr 1fr;column-gap:48px}
.caps.caps3{grid-template-columns:repeat(3,1fr);column-gap:56px}
.caps.caps3 .cap p{max-width:none}
.caps.caps3 .cap{padding:20px 0}
.caps.caps3 .cap:nth-last-child(-n+3){padding-bottom:0}
.caps.caps3 .cap:first-child{border-top:1px solid var(--line);padding-top:20px}
.cap{padding:18px 0;border-top:1px solid var(--line)}
.cap:first-child{border-top:0;padding-top:0}
.cap h3{font-size:11px;font-family:'Google Sans Code',monospace;letter-spacing:.11em;text-transform:uppercase;
  color:var(--muted);margin-bottom:9px}
.cap p{font-size:13.5px;line-height:1.62;color:#3F4449;max-width:46ch}
.sechead{margin-bottom:32px}
.sec .sechead:first-child,.sec > .sechead{margin-top:0}
.sechead .label{display:block}
.sechead-row{display:flex;align-items:flex-end;justify-content:space-between;gap:32px;margin-top:12px}
.sechead-row .btn-ghost{flex:0 0 auto;margin-bottom:4px}
.sechead > .label + .sechead-row,.sechead .label + h2{margin-top:12px}
.sechead h2{font-size:32px;line-height:1.16;letter-spacing:-.025em;font-weight:600}
.sechead .h2{font-size:32px}

.wsteps{display:grid;grid-template-columns:repeat(5,1fr);border-top:1px solid var(--ink);column-gap:32px}
.wsteps a{display:block;padding:20px 0 0}
.wsteps .n{font-family:'Google Sans Code',monospace;font-size:11px;color:var(--accent)}
.wsteps h3{font-size:15px;font-weight:600;margin:9px 0 7px}
.wsteps p{font-size:12.5px;line-height:1.58;color:var(--muted)}
.wsteps a:hover h3{color:var(--deep)}

.feature.texty .txt{grid-column:1 / span 6;grid-row:1}
.feature.texty .txt p{max-width:46ch}
.feature.texty .fig{grid-column:8 / span 5;grid-row:1}
.feature.texty.rev .txt{grid-column:7 / span 6;grid-row:1}
.feature.texty.rev .fig{grid-column:1 / span 5;grid-row:1}

/* ---------------- knowledge base ---------------- */
.kbhero{padding:72px 0 0}
.kbhero h1{grid-column:1 / span 7;margin-top:16px}
.kbhero .side{grid-column:9 / span 4;align-self:end}
.kbhero .side p{font-size:14.5px;line-height:1.62;color:var(--muted)}
.families{display:grid;grid-template-columns:repeat(3,1fr);border-top:1px solid var(--line)}
.families{column-gap:56px}
.family{padding:32px 0 0}
.family .label{margin-bottom:14px}
.family h2{font-size:22px;letter-spacing:-.02em;line-height:1.25;font-weight:600}
.family p{font-size:13.5px;line-height:1.6;color:var(--muted);margin-top:10px;max-width:34ch}
.docs-list{margin-top:16px;border-top:1px solid var(--line)}
.docs-list a{display:flex;justify-content:space-between;align-items:baseline;gap:16px;padding:15px 0;
  border-bottom:1px solid var(--line);font-size:13.5px;transition:padding var(--dur) var(--ease),color var(--dur) var(--ease)}
.docs-list a:hover{padding-left:6px;color:var(--deep)}
.docs-list span{font-family:'Google Sans Code',monospace;font-size:10px;color:var(--muted);white-space:nowrap}

/* --- document page --- */
.docshell{display:grid;grid-template-columns:200px 1fr 400px;width:1200px;margin:0 auto;
  min-height:calc(100vh - 104px);align-items:start}
.tree{padding:24px 0;min-width:0;scrollbar-width:none;-ms-overflow-style:none;border-left:1px solid var(--line);border-right:1px solid var(--line);position:sticky;top:84px;
  height:calc(100vh - 84px);overflow:auto}
.tree .label{padding:0 20px 14px}
.tree::-webkit-scrollbar{width:0;height:0}
.tree a{margin-bottom:6px;display:block;padding:12px 20px;font-size:13px;line-height:1.45;color:#3F4449;
  border-left:2px solid transparent;transition:background var(--dur) var(--ease),color var(--dur) var(--ease)}
.tree a:hover{background:#FAFBF9}
.tree a.on{background:var(--panel);border-left-color:var(--accent);color:var(--ink);font-weight:600}
.tree .grp{font-family:'Google Sans Code',monospace;font-size:10px;letter-spacing:.12em;color:var(--muted);
  padding:20px 20px 8px}
.tree .facts{padding:6px 20px;font-size:11px;line-height:1.7;color:var(--muted)}

.articlewrap{padding:36px 40px 72px;min-width:0}
.article{min-width:0;max-width:100%;padding-top:32px}
.article .eq{min-width:0;max-width:100%}
.articlewrap .docmeta{display:flex;flex-wrap:wrap;gap:20px;font-family:'Google Sans Code',monospace;
  font-size:10.5px;letter-spacing:.06em;color:var(--muted);padding-bottom:18px;
  border-bottom:1px solid var(--line);margin:26px 0 0}
.article h2{font-size:20px;line-height:1.3;letter-spacing:-.01em;margin:44px 0 12px;font-weight:600;scroll-margin-top:120px}
.article > h2:first-child{margin-top:44px}
.article h3{font-size:16px;line-height:1.4;margin:32px 0 10px;font-weight:600;letter-spacing:-.005em;scroll-margin-top:120px}
.article p{font-size:15px;line-height:1.74;margin:0 0 18px;max-width:64ch}
.article .eq{margin:18px 0}
.article ul{margin:0 0 16px;padding-left:18px;list-style:disc;font-size:15px;line-height:1.7}
.article li{margin:4px 0;max-width:62ch}
.article figure.shot{margin:26px 0}
.article figure.shot img{border:1px solid var(--line);width:100%;height:auto;display:block}
.article figure.shot figcaption{font-family:'Google Sans Code',monospace;font-size:10.5px;color:var(--muted);
  margin-top:9px;letter-spacing:.02em}
.article ul ul{margin:6px 0}
.article table{width:100%;border-collapse:collapse;font-size:13.5px;margin:18px 0}
.article table td,.article table th{border-bottom:1px solid var(--line);padding:9px 12px 9px 0;text-align:left;vertical-align:top}
.pager{display:flex;justify-content:space-between;gap:32px;border-top:1px solid var(--line);margin-top:48px;padding-top:20px}
.pager .pg{display:flex;flex-direction:column;gap:5px;font-size:13.5px;max-width:46%}
.pager .pg span{font-family:'Google Sans Code',monospace;font-size:10px;letter-spacing:.1em;color:var(--muted)}
.pager .pg.next{text-align:right;margin-left:auto}
.pager .pg:hover{color:var(--deep)}

.article .note{border-left:2px solid var(--accent);padding:2px 0 2px 16px;font-size:13.5px;
  line-height:1.6;color:var(--muted);margin:22px 0}

.panel{border-left:1px solid var(--line);border-right:1px solid var(--line);background:#FBFCFB;min-width:0;
  display:flex;flex-direction:column;position:sticky;top:84px;height:calc(100vh - 84px)}
.panel .hd{border-bottom:1px solid var(--line);padding:16px 20px;display:flex;justify-content:space-between;
  align-items:baseline;gap:12px}
.panel .hd b{font-size:13px;font-weight:600}
.panel .hd span{font-family:'Google Sans Code',monospace;font-size:9.5px;letter-spacing:.04em;color:var(--muted);
  text-align:right}
.thread{padding:20px;flex:1;overflow:auto}
.q{background:var(--panel);border:1px solid var(--line);padding:12px 16px;font-size:13px;line-height:1.6;
  color:#33383C;margin-bottom:16px}
.a{font-size:13px;line-height:1.62;color:#22262A}
.a p{margin:0 0 10px}
.a p.muted{color:var(--muted);font-size:12.5px}
.srcs a{display:block;color:var(--muted);text-decoration:none}
.srcs a:hover{color:var(--ink);text-decoration:underline}
.a .eq{margin:10px 0;padding:10px 12px;background:#fff;border:1px solid var(--line);font-size:12px}
.a .cite{display:inline-flex;align-items:center;font-family:'Google Sans Code',monospace;font-size:9px;
  color:var(--accent);border:1px solid var(--accent);padding:1px 5px;margin-left:4px;vertical-align:1px}
.srcs{margin-top:20px;border-top:1px solid var(--line);padding-top:14px;font-size:11px;line-height:1.8;color:var(--muted)}
.srcs b{display:block;font-family:'Google Sans Code',monospace;font-size:9.5px;letter-spacing:.1em;
  color:var(--ink);margin-bottom:4px}
.inpage{margin-top:24px;border-top:1px solid var(--line);padding-top:14px;font-size:12px;line-height:1.5}
.inpage b{display:block;font-family:'Google Sans Code',monospace;font-size:9.5px;letter-spacing:.1em;
  color:var(--ink);margin-bottom:8px}
.inpage a{display:block;padding:15px 0;color:var(--muted);border-bottom:1px solid #EDEFEC;
  transition:color var(--dur) var(--ease),padding-left var(--dur) var(--ease)}
.inpage a:last-child{border-bottom:0}
.inpage a:hover{color:var(--ink);padding-left:4px}

.compose{border-top:1px solid var(--line);padding:14px 20px;display:flex;align-items:center;
  font-size:12.5px;color:var(--muted);gap:12px}
.compose input{flex:1;border:0;outline:0;background:none;font:inherit;font-size:12.5px;color:var(--ink)}
.compose .send{margin-left:auto;background:var(--accent);color:#fff;padding:6px 12px;font-size:11px;
  transition:background var(--dur) var(--ease)}
.compose .send:hover{background:var(--deep)}

/* ---------------- downloads / company ---------------- */
.dl-table{font-size:14px}
.dl-table th{text-align:left;font-family:'Google Sans Code',monospace;font-size:10.5px;letter-spacing:.1em;
  text-transform:uppercase;color:var(--muted);font-weight:500;padding:10px 0;border-bottom:1px solid var(--ink)}
.dl-table td{padding:18px 0 20px;border-bottom:1px solid var(--line);vertical-align:top}
.dl-table td:last-child{text-align:right}
.dl-table td .tiny{display:block;margin-top:6px}
.badge{display:inline-flex;align-items:center;height:24px;padding:0 8px;border:1px solid var(--line);
  font-family:'Google Sans Code',monospace;font-size:10px;color:var(--muted)}

.contact{display:grid;grid-template-columns:repeat(12,78px);column-gap:24px;border-top:1px solid var(--line);
  padding-top:32px}
.contact .c1{grid-column:1 / span 5}
.contact .c2{grid-column:7 / span 6}
.contact a.mail{font-size:20px;letter-spacing:-.01em;border-bottom:1px solid var(--ink);padding-bottom:2px}

/* ---------------- CJK typography ---------------- */
.display,.h1,.h2,.phero h1,.article h2{text-wrap:balance}
html[lang="zh"] .eyebrow,html[lang="ja"] .eyebrow,html[lang="ko"] .eyebrow,
html[lang="zh"] .label,html[lang="ja"] .label,html[lang="ko"] .label{letter-spacing:.06em}
html[lang="zh"] body,html[lang="ja"] body,html[lang="ko"] body{letter-spacing:0}
html[lang="zh"] p,html[lang="ja"] p,html[lang="ko"] p,
html[lang="zh"] .lede,html[lang="ja"] .lede,html[lang="ko"] .lede{line-height:1.85}
html[lang="zh"] .article p,html[lang="ja"] .article p,html[lang="ko"] .article p{line-height:1.9}
html[lang="zh"] .display,html[lang="ja"] .display,html[lang="ko"] .display{font-size:46px;line-height:1.2;
  line-break:strict;word-break:normal;text-wrap:pretty}
html[lang="zh"] .xl,html[lang="ja"] .xl,html[lang="ko"] .xl{font-size:44px;line-height:1.24}

/* ---------------- language switch ---------------- */
.langwrap{position:relative;margin-right:14px}
.langbtn{display:flex;align-items:center;gap:7px;height:44px;padding:0 12px;border:1px solid var(--line);
  background:#fff;font:inherit;font-size:11.5px;letter-spacing:.08em;color:var(--muted);cursor:pointer;
  transition:border-color var(--dur) var(--ease),color var(--dur) var(--ease)}
.langbtn:hover,.langbtn[aria-expanded="true"]{border-color:var(--ink);color:var(--ink)}
.langbtn i{width:0;height:0;border-left:4px solid transparent;border-right:4px solid transparent;
  border-top:4px solid currentColor;transition:transform var(--dur) var(--ease)}
.langbtn[aria-expanded="true"] i{transform:rotate(180deg)}
.langmenu{position:absolute;right:0;top:calc(100% + 8px);min-width:184px;background:#fff;border:1px solid var(--ink);
  display:none;z-index:80;padding:6px 0;box-shadow:0 18px 32px -28px rgba(16,17,18,.5)}
body.langopen .langmenu{display:block}
.langmenu a{display:block;padding:10px 16px;font-size:13px;color:var(--ink)}
.langmenu a:hover{background:var(--panel)}
.langmenu a.on{background:var(--panel);font-weight:600}
.navlang{display:flex;flex-wrap:wrap;gap:8px;padding:20px 0 0}
.navlang a{padding:7px 10px;border:1px solid var(--line);font-size:12.5px;height:auto}
.navlang a.on{border-color:var(--ink);font-weight:600}

/* ---------------- phone menu ---------------- */
.menu{display:none;width:40px;height:40px;border:1px solid var(--line);background:#fff;flex-direction:column;
  justify-content:center;align-items:center;gap:5px;cursor:pointer}
.menu span{display:block;width:16px;height:1px;background:var(--ink);transition:transform var(--dur) var(--ease)}
body.menu-open .menu span:first-child{transform:translateY(3px) rotate(45deg)}
body.menu-open .menu span:last-child{transform:translateY(-3px) rotate(-45deg)}
.navmenu{display:none;position:fixed;top:76px;left:0;right:0;bottom:0;background:#fff;z-index:60;
  border-top:1px solid var(--line);overflow:auto}
.navmenu-in{padding:8px 20px 40px}
.navmenu a{display:flex;align-items:center;height:56px;border-bottom:1px solid var(--line);font-size:16px}
.navmenu a.mm{margin-top:20px;justify-content:center;height:48px;background:var(--accent);color:#fff;border:0}
body.menu-open .navmenu{display:block}
body.menu-open{overflow:hidden}

@media (max-width:1360px){
  .links{gap:20px;margin-left:30px;font-size:13.5px}
  .act{gap:18px}
  .nav .btn{padding:0 16px}
}

/* ---------------- responsive ---------------- */
@media (max-width:1240px){
  .wrap,.docshell{width:auto;max-width:1200px;padding-left:40px;padding-right:40px}
  .docshell{padding-left:0;padding-right:0}
  .cols,.row,.feature,.contact{grid-template-columns:repeat(12,minmax(0,1fr))}
}
@media (max-width:1024px){
  .navin{padding:0 20px;grid-template-columns:1fr auto}
  .act{justify-self:end}
  .brand img{height:49px}
  .nav.scrolled .brand img{height:44px}
  .links{display:none}
  .langwrap{display:none}
  .menu{display:flex}
  .act .signin,.act .btn{display:none}
  .wrap{width:auto;max-width:none;padding-left:32px;padding-right:32px}
  .cols,.row,.feature,.contact,.steps,.spec,.families,.cats,.footer .top,.footer .cols3{
    grid-template-columns:1fr;column-gap:0}
  .cols > *{grid-column:1 / -1 !important}
  .cols{row-gap:28px}
  .cta{flex-direction:column;align-items:stretch}
  .cta .btn,.cta .btn-ghost,.cta a{justify-content:center;text-align:center}
  .frame .cap{flex-direction:column;align-items:flex-start;gap:5px}
  .hero{padding-top:44px}
  .hero .eyebrow,.hero h1,.hero .side,.search,.cats{grid-column:1 / -1}
  .hero h1{font-size:40px}
  .hero .side{padding-top:20px}
  .display{font-size:40px}
  .h1{font-size:30px}
  .h2{font-size:26px}
  .row{grid-template-columns:1fr;padding:24px 0}
  .row .num,.row .copy,.row .view{grid-column:1}
  .row .view{margin-top:20px}
  .sec{margin:44px 0}
  .sec-tight,.split{margin-top:36px}
  .kb,.kbeq,.phero .lead,.phero .figure,.phero .stats,.feature .txt,.feature .fig,.contact .c1,.contact .c2{grid-column:1 / -1}
  .feature{padding:36px 0;grid-template-columns:1fr;grid-auto-flow:row}
  .feature .txt,.feature .fig,.feature.rev .txt,.feature.rev .fig,
  .feature.texty .txt,.feature.texty .fig,.feature.texty.rev .txt,.feature.texty.rev .fig{grid-column:1 / -1 !important;grid-row:auto}
  .feature .fig{margin-top:24px}
  .docshell{grid-template-columns:1fr;min-height:0;padding:0 20px}
  .tree{position:static;height:auto;border:0;border-bottom:1px solid var(--line);padding-bottom:8px}
  .articlewrap{padding:24px 0 40px}
  .article .eq,.katex-display{max-width:100%;overflow-x:auto;overflow-y:hidden}
  .article table{display:block;overflow-x:auto}
  .panel{position:static;height:auto;border:0;border-top:1px solid var(--line);margin-top:8px}
  .footer{padding:56px 0 32px}
  .footer .top,.footer .cols3{grid-template-columns:1fr;row-gap:32px}
  .footer .base{flex-direction:column;gap:8px;margin-top:40px}
  .phero h1,.xl{font-size:34px}
  .steps div{border-bottom:1px solid var(--line);padding:20px 0}
  .caps,.caps.caps3{grid-template-columns:1fr;column-gap:0}
  .sechead-row{flex-direction:column;align-items:flex-start;gap:16px}
  .wsteps{grid-template-columns:1fr;column-gap:0}
  .wsteps a{padding:18px 0;border-bottom:1px solid var(--line)}
  .families{border-top:1px solid var(--line);grid-template-columns:1fr;column-gap:0}
  .family{border-right:0;border-bottom:1px solid var(--line);padding:24px 0 !important;min-width:0}
  .docs-list a{flex-wrap:wrap;gap:2px 12px}
  .phero .stats{grid-template-columns:1fr}
  .phero .stats div{border-right:0;border-bottom:1px solid var(--line)}
}

@media (max-width:640px){
  .wrap{padding-left:20px;padding-right:20px}
  .navin{padding:0 20px}
  .hero h1,.display{font-size:36px}
  .phero h1,.xl{font-size:32px}
}
/* ---- spacing normalisation: one rhythm, measured from the rule ---- */
.phero{padding:72px 0 0}
.kbhero{padding:72px 0 0}

.feature{padding:0}
.feature + .feature{margin-top:56px}
.feature:first-child{margin-top:0}
.caps .cap{padding:18px 0}
.split{padding:0}
.footer{padding-top:56px}
/* spacing normalisation v2 — every band's first text starts a fixed distance below its top edge */
.sec .wrap > .cols,.sec .wrap > .sechead,.sec .wrap > .caps,.sec .wrap > .families,
.sec-tight .wrap > .cols,.split .wrap > .cols{margin-top:0}
[data-reveal]{transform:none}
[data-reveal]:not(.in){transform:translateY(14px)}
.split > .wrap{border-top:1px solid var(--line);padding-top:0}
.split{margin-top:56px;padding-top:0}
.split > .wrap{border-top:0}
.split::before{content:"";display:block;width:100%;max-width:1200px;margin:0 auto;border-top:1px solid var(--line)}
.split > .wrap{padding-top:28px}
.feature{padding:0}
.feature + .feature{margin-top:56px}
.kb{margin-top:6px}
/* the first rule inside a band sits on the band edge; text lands 26–28px below it everywhere */
.sec > .wrap > .steps,.sec > .wrap > .wsteps{border-top:1px solid var(--line)}
.sec > .wrap > .steps{margin-top:0}
.sec > .wrap{padding-top:28px}
.sec > .wrap > .steps,.sec > .wrap > .wsteps{margin-top:0}
/* closing band: text starts 28px under the rule, matching .sec */
.sec-tight{padding-top:28px}
.sec-tight.split{padding-top:0}
.sec-tight.split > .wrap{padding-top:28px}