html{-webkit-text-size-adjust:100%}
body{margin:0}
img{max-width:100%}

/* Layout: sticky header with page nav and language switch; one view shown at a time; a 0–0.8 % strength scale runs through the product cards. */
:root{
  --bg:#f2f7f7; --surface:#ffffff; --ink:#10292e; --muted:#4a6368; --line:#cddcdc;
  --teal:#0d6b74; --on-teal:#ffffff; --teal-soft:#dcecec;
  --gum:#c8436a; --gum-soft:#fbe6ec;
  --display:"Bricolage Grotesque","Trebuchet MS",system-ui,sans-serif;
  --body:"Source Sans 3","Segoe UI",system-ui,sans-serif;
}
@media (prefers-color-scheme: dark){
  :root:not([data-theme="light"]){
    --bg:#0c1c20; --surface:#13292e; --ink:#e6f0f0; --muted:#9db4b7; --line:#27454c;
    --teal:#5cc4cc; --on-teal:#06262a; --teal-soft:#173a40;
    --gum:#f08aa6; --gum-soft:#3a1f2a; color-scheme:dark;
  }
}
:root[data-theme="dark"]{
  --bg:#0c1c20; --surface:#13292e; --ink:#e6f0f0; --muted:#9db4b7; --line:#27454c;
  --teal:#5cc4cc; --on-teal:#06262a; --teal-soft:#173a40;
  --gum:#f08aa6; --gum-soft:#3a1f2a; color-scheme:dark;
}
*{box-sizing:border-box}
body{background:var(--bg);color:var(--ink);font-family:var(--body);font-size:1.0625rem;line-height:1.6}
a{color:var(--teal)}
:focus-visible{outline:3px solid var(--gum);outline-offset:2px}
h1,h2,h3{font-family:var(--display);text-wrap:balance;line-height:1.15;margin:0}
h1{font-size:clamp(2rem,5.5vw,3.25rem);font-weight:700;letter-spacing:-.02em}
h2{font-size:clamp(1.5rem,3.5vw,2rem);font-weight:700}
h3{font-size:1.2rem;font-weight:500}
p{margin:0}
ul{margin:0;padding-left:1.1em}
.wrap{max-width:68rem;margin-inline:auto;padding-inline:20px}

header.top{position:sticky;top:env(safe-area-inset-top,0px);z-index:5;background:var(--surface);border-bottom:1px solid var(--line)}
.bar{display:flex;align-items:center;justify-content:space-between;gap:1rem;padding-block:.7rem}
.brand{font-family:var(--display);font-weight:700;font-size:1.35rem;color:var(--ink);text-decoration:none;display:flex;align-items:baseline;gap:.45rem}
.brand small{font-family:var(--body);font-weight:600;font-size:.72rem;letter-spacing:.12em;text-transform:uppercase;color:var(--gum)}
.lang{display:flex;border:1px solid var(--line);border-radius:999px;overflow:hidden}
.lang a{text-decoration:none;font:600 .85rem var(--body);background:none;border:0;color:var(--muted);padding:.35rem .8rem;cursor:pointer}
.lang a[aria-current="true"]{background:var(--teal);color:var(--on-teal)}
.navscroll{overflow-x:auto;border-top:1px solid var(--line)}
nav.main{display:flex;gap:.25rem;padding-block:.35rem;white-space:nowrap}
nav.main a{color:var(--muted);text-decoration:none;font-weight:600;font-size:.95rem;padding:.35rem .7rem;border-radius:999px}
nav.main a:hover{color:var(--ink)}
nav.main a.on{background:var(--teal-soft);color:var(--ink)}

.view{padding-block:2.5rem 4rem}
.stack{display:flex;flex-direction:column;gap:1.1rem}
.section{display:flex;flex-direction:column;gap:1.5rem;margin-top:3.5rem}
.lead{font-size:1.2rem;color:var(--muted);max-width:38rem}
.prose{max-width:40rem}
.eyebrow{font-weight:700;font-size:.78rem;letter-spacing:.12em;text-transform:uppercase;color:var(--gum)}
.btn{display:inline-block;background:var(--teal);color:var(--on-teal);font-weight:700;text-decoration:none;padding:.7rem 1.2rem;border-radius:999px}
.btn.ghost{background:none;color:var(--teal);border:1.5px solid var(--teal)}
.row{display:flex;flex-wrap:wrap;gap:.75rem}

.hero{display:grid;grid-template-columns:1.2fr 1fr;gap:2.5rem;align-items:start}
.hero>*{min-width:0}
.range{background:var(--surface);border:1px solid var(--line);border-radius:18px;padding:1.25rem 1.4rem}
.range ul{list-style:none;padding:0;display:flex;flex-direction:column}
.range li{display:flex;justify-content:space-between;gap:1rem;padding-block:.6rem;border-bottom:1px solid var(--line)}
.range li:last-child{border-bottom:0}
.range li span.sz{color:var(--muted);font-variant-numeric:tabular-nums;white-space:nowrap}

.three{display:grid;grid-template-columns:repeat(3,1fr);gap:1.5rem}
.three>div{border-top:3px solid var(--gum);padding-top:.9rem;display:flex;flex-direction:column;gap:.4rem;min-width:0}

.cards{display:grid;grid-template-columns:repeat(2,1fr);gap:1.25rem}
.card{background:var(--surface);border:1px solid var(--line);border-radius:18px;padding:1.4rem;display:flex;flex-direction:column;gap:.9rem;min-width:0}
.card .meta{color:var(--muted);font-size:.95rem;font-variant-numeric:tabular-nums}
.card h4{margin:0;font:700 .78rem var(--body);letter-spacing:.1em;text-transform:uppercase;color:var(--muted)}
.scale{display:flex;align-items:center;gap:.7rem}
.track{flex:1;height:8px;border-radius:999px;background:var(--teal-soft);overflow:hidden}
.fill{height:100%;background:var(--gum);border-radius:999px;min-width:4px}
.num td{font-variant-numeric:tabular-nums}
.range li>span:first-child{min-width:0}
.range li>span:first-child>span{color:var(--muted);font-size:.95rem}
.scale b{font-variant-numeric:tabular-nums;min-width:3.6rem;text-align:right}
.note{background:var(--teal-soft);border-radius:14px;padding:1rem 1.2rem;max-width:44rem}
.draft{border:1.5px dashed var(--gum);background:var(--gum-soft);border-radius:14px;padding:1rem 1.2rem;max-width:44rem}
.draft strong{color:var(--gum)}
.tags{display:flex;flex-wrap:wrap;gap:.5rem;list-style:none;padding:0}
.tags li{background:var(--surface);border:1px solid var(--line);border-radius:999px;padding:.3rem .8rem;font-size:.95rem}
details{border-bottom:1px solid var(--line);padding-block:.9rem;max-width:44rem}
summary{font-family:var(--display);font-weight:500;font-size:1.15rem;cursor:pointer}
details p{margin-top:.6rem;color:var(--muted)}
.tablebox{overflow-x:auto}
table{border-collapse:collapse;width:100%;min-width:30rem}
th,td{text-align:left;padding:.65rem .8rem;border-bottom:1px solid var(--line);vertical-align:top}
th{font-size:.78rem;letter-spacing:.1em;text-transform:uppercase;color:var(--muted)}
.refs{display:flex;flex-direction:column;gap:1rem;max-width:44rem}
.refs cite{display:block;color:var(--muted);font-size:.95rem;font-style:normal}
footer{border-top:1px solid var(--line);padding-block:1.75rem 2.5rem;color:var(--muted);font-size:.95rem}
footer .wrap{display:flex;flex-direction:column;gap:.5rem}
@media (max-width:760px){
  .hero,.three,.cards{grid-template-columns:1fr}
}
.tri{display:grid;grid-template-columns:repeat(3,1fr);gap:1.25rem;align-items:start}
.plist{list-style:none;padding:0;display:flex;flex-direction:column}
.plist li{display:flex;justify-content:space-between;gap:1rem;padding-block:.55rem;border-top:1px solid var(--line)}
.plist li>span:first-child{min-width:0}
.plist .sub{color:var(--muted);font-size:.9rem}
.plist .sz{font-variant-numeric:tabular-nums;white-space:nowrap;font-weight:600}
@media (max-width:900px){.tri{grid-template-columns:1fr}}
.pimg{background:var(--bg);border-radius:12px;padding:1rem;display:flex;justify-content:center;align-items:flex-end;gap:1rem}
.pimg img{height:200px;width:auto;max-width:100%;object-fit:contain}
.pimg.multi img{height:140px;min-width:0;flex:0 1 auto}
.range li img{height:64px;width:auto;flex:none}
.range li{align-items:center}
.range li>span:first-child{flex:1}
.dlist{list-style:none;padding:0;columns:2 16rem;column-gap:2rem;max-width:52rem}
.dlist li{break-inside:avoid;padding-block:.35rem;border-bottom:1px solid var(--line)}
.dlist a::after{content:" (PDF)";color:var(--muted);font-size:.9em}