:root{
  --bg:#fbfaf7;--card:#ffffff;--ink:#1c1b19;--mut:#5f5c55;--line:#e7e4dc;--soft:#f3f1ea;
  --acc:#2f6f4f;--acc-ink:#ffffff;--acc-soft:#e6f0ea;
  --radius:14px;
}
@media (prefers-color-scheme:dark){
  :root:not([data-theme="light"]){
    --bg:#141412;--card:#1c1c19;--ink:#ecebe6;--mut:#a5a299;--line:#2d2c28;--soft:#22221f;
    --acc:#7cc39b;--acc-ink:#0f1a14;--acc-soft:#1f2b24;
  }
}
:root[data-theme="dark"]{
  --bg:#141412;--card:#1c1c19;--ink:#ecebe6;--mut:#a5a299;--line:#2d2c28;--soft:#22221f;
  --acc:#7cc39b;--acc-ink:#0f1a14;--acc-soft:#1f2b24;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--ink);font:17px/1.6 -apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif}
a{color:var(--acc)}
img{max-width:100%;height:auto}
.wrap{max-width:1000px;margin:0 auto;padding:0 16px}

/* header */
.top{border-bottom:1px solid var(--line)}
.top .wrap{display:flex;align-items:center;justify-content:space-between;gap:12px;min-height:60px}
.brand{display:flex;align-items:center;gap:9px;font-weight:750;letter-spacing:-.01em;color:var(--ink);text-decoration:none;font-size:18px}
.brand svg{width:26px;height:26px;flex:none}
.top nav{display:flex;gap:18px;flex-wrap:wrap}
.top nav a{color:var(--mut);text-decoration:none;font-size:15px}
.top nav a:hover{color:var(--ink)}

/* hero */
.hero{padding:56px 0 28px}
.hero h1{font-size:clamp(30px,5.2vw,48px);line-height:1.12;letter-spacing:-.02em;margin:0 0 14px;max-width:780px}
.hero p.lede{color:var(--mut);font-size:19px;max-width:640px;margin:0 0 24px}
.kicker{display:inline-block;font-size:13px;font-weight:650;letter-spacing:.04em;text-transform:uppercase;color:var(--acc);margin-bottom:12px}
.btn{display:inline-flex;align-items:center;gap:8px;background:var(--acc);color:var(--acc-ink);text-decoration:none;font-weight:650;padding:13px 22px;border-radius:12px;border:0;font-size:16px;cursor:pointer}
.btn:hover{filter:brightness(1.07)}
.btn.ghost{background:transparent;color:var(--ink);border:1px solid var(--line)}
.btns{display:flex;gap:10px;flex-wrap:wrap;align-items:center}
.note{color:var(--mut);font-size:14px}

/* sections */
section{margin:44px 0}
h2{font-size:clamp(22px,3vw,28px);letter-spacing:-.01em;margin:0 0 6px}
.sub{color:var(--mut);margin:0 0 20px}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(min(290px,100%),1fr));gap:14px}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:20px}
.card h3{margin:0 0 4px;font-size:17px}
.card p{margin:0;color:var(--mut);font-size:15px}

/* product cards */
.prod{display:flex;flex-direction:column;gap:12px;text-decoration:none;color:inherit;transition:border-color .15s}
a.prod:hover{border-color:var(--acc)}
.prod .head{display:flex;gap:12px;align-items:center}
.prod img{width:48px;height:48px;border-radius:12px;flex:none;object-fit:cover}
.prod .meta{display:flex;gap:6px;flex-wrap:wrap;margin-top:auto}
.tag{font-size:12.5px;padding:3px 9px;border-radius:999px;background:var(--soft);color:var(--mut);white-space:nowrap}
.tag.live{background:var(--acc-soft);color:var(--acc)}
.prod .links{display:flex;gap:14px;flex-wrap:wrap;font-size:14.5px}

.principles{display:grid;grid-template-columns:repeat(auto-fill,minmax(min(220px,100%),1fr));gap:14px}
.principles div{padding:4px 0}
.principles b{display:block;margin-bottom:2px}
.principles span{color:var(--mut);font-size:15px}

/* demo */
.demo{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}
.demo iframe{display:block;width:100%;border:0;height:520px;background:var(--card)}

.shots{display:grid;grid-template-columns:repeat(auto-fill,minmax(min(420px,100%),1fr));gap:14px}
.shots img{width:100%;border-radius:12px;border:1px solid var(--line);display:block}

ol.steps{list-style:none;padding:0;margin:0;display:grid;grid-template-columns:repeat(auto-fill,minmax(min(240px,100%),1fr));gap:14px;counter-reset:s}
ol.steps li{counter-increment:s;background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:18px}
ol.steps li::before{content:counter(s);display:inline-grid;place-items:center;width:26px;height:26px;border-radius:50%;background:var(--acc-soft);color:var(--acc);font-weight:700;font-size:14px;margin-bottom:8px}

details{border-bottom:1px solid var(--line);padding:14px 0}
details summary{cursor:pointer;font-weight:600;list-style:none}
details summary::-webkit-details-marker{display:none}
details summary::after{content:"+";float:right;color:var(--mut);font-weight:400}
details[open] summary::after{content:"–"}
details p{color:var(--mut);margin:8px 0 0}

/* quiet cross-promo */
.more{border-top:1px solid var(--line);padding-top:26px;margin-top:56px}
.more h2{font-size:15px;font-weight:600;color:var(--mut);text-transform:uppercase;letter-spacing:.05em;margin-bottom:14px}
.more .grid{grid-template-columns:repeat(auto-fill,minmax(min(260px,100%),1fr))}
.more .card{padding:14px 16px}
.more .prod img{width:36px;height:36px;border-radius:9px}

/* docs */
.doc{max-width:760px;padding:36px 16px 20px}
.doc h1{font-size:clamp(28px,4vw,36px);margin:0 0 4px}
.doc h2{font-size:21px;margin:28px 0 6px}
.doc .upd{color:var(--mut);font-size:14px;margin:0 0 20px}

/* footer */
footer{border-top:1px solid var(--line);margin-top:64px;padding:26px 0 34px;color:var(--mut);font-size:14px}
footer .wrap{display:flex;flex-wrap:wrap;gap:10px 22px;justify-content:space-between}
footer nav{display:flex;flex-wrap:wrap;gap:8px 18px}
footer a{color:var(--mut)}

/* ---------- v2: compact hero, menu, search, converter tool ---------- */
.hero.tight{padding:14px 0 6px}
.hero.tight h1{font-size:clamp(28px,4.4vw,40px);margin-bottom:10px}
.hero.tight .lede{margin-bottom:18px}
.answer{font-size:clamp(24px,4vw,34px);margin:0 0 6px;letter-spacing:-.01em}
.crumbs{font-size:14px;color:var(--mut);padding-top:16px}
.crumbs a{color:var(--mut)}

.top .wrap{flex-wrap:wrap;padding-top:8px;padding-bottom:8px}
.top nav{align-items:center}
.menu{position:relative}
.menu summary{cursor:pointer;color:var(--mut);font-size:15px;list-style:none}
.menu summary::-webkit-details-marker{display:none}
.menu summary::after{content:" ▾";font-size:12px}
.menu[open] summary{color:var(--ink)}
.menu-pop{position:absolute;z-index:20;top:30px;left:-12px;min-width:240px;background:var(--card);border:1px solid var(--line);border-radius:12px;padding:14px 16px;box-shadow:0 10px 30px rgba(0,0,0,.12);display:flex;gap:28px}
.menu-col{display:flex;flex-direction:column;gap:6px}
.menu-col b a{color:var(--ink);font-size:15px}
.menu-col a{color:var(--mut);text-decoration:none;font-size:14.5px;white-space:nowrap}
.menu-col a:hover{color:var(--acc)}

.sk-search{position:relative;display:flex;align-items:center;gap:0;max-width:640px}
.sk-search input{flex:1;min-width:0;font:inherit;font-size:16px;padding:12px 14px;border:1px solid var(--line);border-radius:12px 0 0 12px;background:var(--card);color:var(--ink)}
.sk-search input:focus{outline:2px solid var(--acc);outline-offset:-1px}
.sk-search button{font:inherit;font-weight:700;border:0;background:var(--acc);color:var(--acc-ink);padding:0 18px;align-self:stretch;border-radius:0 12px 12px 0;cursor:pointer;font-size:18px}
.sk-hint{position:absolute;left:14px;top:100%;margin-top:4px;font-size:13px;color:var(--mut)}
.sk-search.big{margin-bottom:22px}
.sk-search.in-header{flex:1 1 220px;max-width:300px;margin-left:auto}
.sk-search.in-header input{padding:7px 10px;font-size:14px;border-radius:9px 0 0 9px}
.sk-search.in-header button{padding:0 11px;font-size:15px;border-radius:0 9px 9px 0}
.sk-search.in-header .sk-hint{display:none}
@media (max-width:700px){.sk-search.in-header{display:none}}

.tool{display:grid;grid-template-columns:minmax(0,1.55fr) minmax(0,1fr);gap:16px;margin:8px 0 8px;align-items:stretch}
@media (max-width:820px){.tool{grid-template-columns:1fr}}
.cv{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:16px 18px;box-shadow:0 6px 24px rgba(0,0,0,.05)}
.cv-head{display:flex;align-items:center;gap:8px;padding-bottom:12px;border-bottom:1px solid var(--line);margin-bottom:14px}
.cv-head .dot{width:9px;height:9px;border-radius:50%;background:var(--acc)}
.cv-head b{font-size:15px;margin-right:auto}
.cv select,.cv input,.cv output{font:inherit;color:var(--ink)}
.cv-cat{border:1px solid var(--line);border-radius:9px;padding:6px 8px;background:var(--bg);font-size:14px;max-width:60%}
.cv-row{display:grid;grid-template-columns:minmax(0,1fr) auto minmax(0,1fr);gap:10px;align-items:end}
.cv-field{display:flex;flex-direction:column;gap:6px;min-width:0}





.cv-swap{align-self:center;margin-top:18px;border:1px solid var(--line);background:var(--card);color:var(--ink);border-radius:50%;width:38px;height:38px;font-size:17px;cursor:pointer}
.cv-swap:hover{border-color:var(--acc);color:var(--acc)}
.cv-foot{display:flex;gap:10px;align-items:center;justify-content:space-between;margin-top:14px;padding-top:12px;border-top:1px solid var(--line)}
.cv-line{color:var(--mut);font-size:15px}

@media (max-width:480px){.cv{padding:12px}.cv-row{gap:6px}.cv-val{font-size:18px;padding:9px 58px 9px 9px;min-height:46px}.cv-copy{padding:5px 7px;font-size:12px}
.cv-swap{width:30px;height:30px;font-size:14px;margin-top:8px}.cv-unit{font-size:13px;padding:6px}.cv-head b{display:none}.cv-cat{max-width:100%}}

.cta{background:var(--acc-soft);border:1px solid var(--line);border-radius:16px;padding:18px 20px;display:flex;flex-direction:column;gap:10px}
.cta-head{display:flex;gap:10px;align-items:center}
.cta-head img{border-radius:10px}
.cta-head b{display:block;font-size:17px}.cta-head span{font-size:13.5px;color:var(--mut)}
.cta-pitch{margin:0;font-weight:650;font-size:18px;line-height:1.35}
.cta ul{margin:0;padding-left:18px;color:var(--mut);font-size:14.5px}
.btn.big{justify-content:center;padding:15px 22px;font-size:17px;margin-top:auto}
.cta-more{font-size:14px;text-align:center}

.tiles{grid-template-columns:repeat(auto-fill,minmax(min(210px,100%),1fr))}
a.card.tile{text-decoration:none;color:inherit;padding:16px 18px}
a.card.tile:hover{border-color:var(--acc)}
.links{display:flex;flex-wrap:wrap;gap:8px}
.links a{font-size:14.5px;padding:6px 11px;border:1px solid var(--line);border-radius:999px;text-decoration:none;color:var(--ink);background:var(--card)}
.links a:hover{border-color:var(--acc);color:var(--acc)}
.ctable{border-collapse:collapse;width:100%;max-width:520px;font-variant-numeric:tabular-nums;background:var(--card);border-radius:12px;overflow:hidden}
.ctable th,.ctable td{text-align:left;padding:8px 14px;border-bottom:1px solid var(--line);font-size:15px}
.ctable th{background:var(--soft);font-weight:650}

footer .wrap{align-items:flex-start}
.fcol{display:flex;flex-direction:column;gap:6px;min-width:180px}
.fcol b{color:var(--ink);font-size:14px}
.fnote{flex-basis:100%;margin:12px 0 0}
.hero.tight{margin:6px 0 14px}

/* ---------- v3: converter pages inside /exactunits/ ---------- */
.auto{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:22px;align-items:center}
.auto img{width:100%;border-radius:12px;border:1px solid var(--line)}
@media (max-width:820px){.auto{grid-template-columns:1fr}}
ol.steps.compact{grid-template-columns:repeat(3,minmax(0,1fr));gap:10px;margin:0 0 16px}
ol.steps.compact li{padding:12px}
@media (max-width:520px){ol.steps.compact{grid-template-columns:1fr}}
details.group{border-bottom:1px solid var(--line);padding:12px 0}
details.group .links{margin-top:10px}
.links a[aria-current="page"]{border-color:var(--acc);color:var(--acc);font-weight:650}

/* ---------- v4: two equal fields (type in either), Copy inside the result ---------- */
.cv-field>span{display:none}
.cv-box{position:relative}
.cv-val{display:block;width:100%;font:inherit;font-size:22px;font-weight:650;padding:11px 74px 11px 12px;border:1px solid var(--line);border-radius:10px;background:var(--bg);color:var(--ink);font-variant-numeric:tabular-nums;min-height:52px;text-overflow:ellipsis}
.cv-val:focus{outline:2px solid var(--acc);outline-offset:-1px}
.cv-field.is-result .cv-val{background:var(--acc-soft);border-color:transparent;color:var(--acc)}
.cv-unit{width:100%;margin-top:6px;border:1px solid var(--line);border-radius:9px;padding:8px;background:var(--card);font:inherit;font-size:14.5px;color:var(--ink)}
.cv-copy{position:absolute;right:8px;top:50%;transform:translateY(-50%);display:none;font:inherit;font-size:13px;font-weight:650;border:0;border-radius:7px;padding:6px 10px;background:var(--acc);color:var(--acc-ink);cursor:pointer}
.cv-field.is-result .cv-copy{display:block}
.cv-field.is-result .cv-val:placeholder-shown+.cv-copy{display:none}
.cv-swap{margin-top:0;align-self:start;margin-top:7px}
.cv-foot{justify-content:flex-start}

/* ---------- v5: tool first — converter + table left, install + reading right ---------- */
.split{display:grid;grid-template-columns:minmax(0,1.65fr) minmax(0,1fr);gap:24px;align-items:start;margin-top:10px}
@media (max-width:860px){.split{grid-template-columns:1fr}}
.h1-tool{font-size:clamp(22px,2.6vw,30px);letter-spacing:-.015em;line-height:1.2;margin:4px 0 12px}
.s-side .cta{padding:16px 18px;gap:10px}
.s-side .cta-pitch{font-size:16px}
.side-text{font-size:15.5px;color:var(--mut)}
.side-text h2{font-size:17px;color:var(--ink);margin:18px 0 6px}
.side-text h2:first-child{margin-top:0}
.side-text p{margin:0 0 8px}
.side-text details{padding:10px 0}
.side-text summary{color:var(--ink);font-size:15px}
ol.steps-mini{margin:6px 0 4px;padding-left:20px}
ol.steps-mini li{margin:2px 0}
.crumbs{padding-top:10px}
.wrap>.split:first-child{margin-top:22px}
/* split: left = tool then table, right = one column spanning both rows; phones: tool → install → table → reading */
.split{grid-template-columns:minmax(0,1.65fr) minmax(0,1fr);grid-template-rows:auto 1fr;row-gap:18px}
.split .s-tool{grid-column:1;grid-row:1}
.split .s-side{grid-column:2;grid-row:1 / span 2;display:flex;flex-direction:column;gap:18px}
.split .s-below{grid-column:1;grid-row:2;align-self:start}
@media (max-width:860px){
  .split{grid-template-columns:1fr;grid-template-rows:none}
  .split .s-side{display:contents}
  .split .s-tool,.split .s-cta,.split .s-below,.split .s-text{grid-column:1;grid-row:auto}
  .split .s-tool{order:1}.split .s-cta{order:2}.split .s-below{order:3}.split .s-text{order:4}
}
.s-below .tbl{margin-top:4px}
details.tbl{border:1px solid var(--line);border-radius:12px;background:var(--card);padding:0}
details.tbl summary{padding:12px 16px;font-weight:600;cursor:pointer}
details.tbl[open] summary{border-bottom:1px solid var(--line)}
details.tbl .ctable{border-radius:0 0 12px 12px;max-width:none}
.s-below .note{margin:10px 2px 0}
@media (max-width:480px){
  .cv-val{padding-right:40px}
  .cv-copy{font-size:0;padding:6px 8px;line-height:1}
  .cv-copy::before{content:"⧉";font-size:16px}
}

/* ---------- v6: wider layout, real questions under the converter, compact right column ---------- */
.wrap{max-width:1140px}
.split{grid-template-columns:minmax(0,1.9fr) minmax(0,1fr);column-gap:28px}
.s-below .faq{margin:0 0 16px}
.s-below .faq h2{font-size:19px;margin:0 0 4px}
.s-below .faq details{padding:11px 0}
.s-below .faq summary{font-size:15.5px}
.s-below .faq p{font-size:15px}
.side-text{font-size:14.5px;line-height:1.55}
.side-text h2{font-size:16px}
.s-side .cta-pitch{font-size:15.5px;line-height:1.35}
.s-side .btn.big{font-size:16px;padding:13px 16px}