/* Shandong Keyuan — technical-sheet system. Single committed light theme with black chapters. */
:root{
  --paper:#f4f3ef;--white:#fff;--ink:#15181d;--ink-2:#3a3b3f;--muted:#6b6b66;--muted-2:#9a9890;--rule:#dcd9d0;--rule2:#15181d;--orange:#e8641b;
  --black:#0b0c0d;--bink:#f4f3ef;--bmuted:#9a9890;--brule:#2a2b2d;
  --sans:"Barlow","Helvetica Neue",Helvetica,Arial,sans-serif;--disp:"Barlow Condensed","Arial Narrow","Helvetica Neue",Arial,sans-serif;--mono:"JetBrains Mono","SF Mono",Menlo,Consolas,monospace;
  --gutter:clamp(20px,3.9vw,56px);--max:1440px;--ease:cubic-bezier(.2,.7,.2,1);
  color-scheme:light;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--sans);font-size:16px;line-height:1.5;-webkit-font-smoothing:antialiased;overflow-x:hidden}
img,picture{max-width:100%;display:block}img{height:auto}
a{color:var(--ink);text-decoration:none}a:hover{color:var(--orange)}
button{font:inherit;color:inherit}
:focus-visible{outline:2px solid var(--orange);outline-offset:3px}
h1,h2,h3{margin:0;font-family:var(--disp);font-weight:700;text-transform:uppercase;line-height:.92;letter-spacing:-.01em;text-wrap:balance}
h1{font-size:clamp(46px,7.8vw,112px)}

h2{font-size:clamp(40px,4.4vw,64px);line-height:.95}
h3{font-size:clamp(24px,2vw,30px);font-weight:600;line-height:1;letter-spacing:0}
p{margin:0}
.mono{font-family:var(--mono)}
.disp{font-family:var(--disp);text-transform:uppercase}
.sheet{font-family:var(--mono);font-size:12px;color:var(--orange);letter-spacing:.12em;text-transform:uppercase}
.lead{font-size:clamp(18px,1.5vw,21px);line-height:1.45;color:var(--ink-2);max-width:60ch}
.body{font-size:clamp(16px,1.2vw,17px);line-height:1.55;color:var(--ink-2);max-width:46ch}
.label{font-family:var(--mono);font-size:11px;letter-spacing:.1em;text-transform:uppercase;color:var(--muted)}
.wrap{max-width:var(--max);margin-inline:auto;padding-inline:var(--gutter)}
.grid{display:grid;grid-template-columns:repeat(12,minmax(0,1fr));gap:24px}
.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.rule{border-bottom:1px solid var(--rule2)}
.pill{display:inline-flex;align-items:center;gap:8px;font-size:15px;font-weight:600;color:var(--white);background:var(--ink);padding:13px 24px;border-radius:999px;border:0;cursor:pointer;transition:background .2s,transform .2s var(--ease)}
.pill:hover{background:#2a2e36;color:var(--white)}
.pill:active{transform:scale(.98)}
.pill.sm{font-size:13px;padding:9px 18px}
.pill.light{background:var(--bink);color:var(--ink)}.pill.light:hover{background:#fff}
.pill.ghost{background:transparent;color:var(--bink);border:1px solid var(--bmuted)}.pill.ghost:hover{border-color:var(--bink)}
.arrow-link{font-size:15px;font-weight:500;display:inline-flex;gap:6px;align-items:center}
.arrow-link .a{transition:transform .25s var(--ease)}.arrow-link:hover .a{transform:translateX(3px)}

/* rows (spec lines) */
.rows{display:flex;flex-direction:column}
.row{display:flex;justify-content:space-between;gap:24px;padding:13px 0;border-bottom:1px solid var(--rule);font-size:15px}
.row span:first-child{color:var(--muted)}
.row span:last-child{font-family:var(--mono);text-align:right;font-variant-numeric:tabular-nums;overflow-wrap:anywhere}
.row.sm{font-size:14px;padding:11px 0}
.rows.dark .row{border-color:var(--brule)}.rows.dark .row span:first-child{color:var(--bmuted)}.rows.dark .row span:last-child{color:var(--bink)}
.rows.head{border-top:1px solid var(--rule2)}

/* nav */
.nav{position:sticky;top:0;z-index:50;background:rgba(244,243,239,.92);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);border-bottom:1px solid var(--rule2)}
.nav-in{max-width:var(--max);margin-inline:auto;padding-inline:var(--gutter);height:64px;display:flex;align-items:center;justify-content:space-between;gap:24px}
.brand{display:flex;align-items:center;gap:14px;color:var(--ink)}
.brand:hover{color:var(--ink)}
.brand img{width:28px;height:28px}
.brand b{font-family:var(--disp);font-size:20px;font-weight:700;text-transform:uppercase;letter-spacing:.02em}
.brand small{font-family:var(--mono);font-size:11px;color:var(--muted);letter-spacing:.08em}
.nav-links{display:flex;gap:32px;list-style:none;margin:0;padding:0}
.nav-links a{font-size:14px;font-weight:500;padding-bottom:2px;border-bottom:1.5px solid transparent}
.nav-links a[aria-current]{border-color:var(--ink)}
.nav-links a:hover{color:var(--ink);border-color:var(--orange)}
.nav-toggle{display:none;width:44px;height:44px;border:0;background:none;cursor:pointer;position:relative;margin-right:-10px}
.nav-toggle span{position:absolute;left:12px;width:20px;height:1.5px;background:var(--ink);transition:transform .3s var(--ease),top .3s var(--ease),opacity .2s}
.nav-toggle span:nth-child(1){top:16px}.nav-toggle span:nth-child(2){top:22px}.nav-toggle span:nth-child(3){top:28px}
body.menu-open .nav-toggle span:nth-child(1){top:22px;transform:rotate(45deg)}body.menu-open .nav-toggle span:nth-child(2){opacity:0}body.menu-open .nav-toggle span:nth-child(3){top:22px;transform:rotate(-45deg)}
@media (max-width:900px){
  .brand small{display:none}
  .nav .pill{display:none}
  .nav-toggle{display:block}
  .nav-links{position:fixed;inset:64px 0 0 0;background:var(--paper);flex-direction:column;gap:0;padding:8px var(--gutter);opacity:0;pointer-events:none;transition:opacity .25s}
  body.menu-open .nav-links{opacity:1;pointer-events:auto}
  body.menu-open{overflow:hidden}
  .nav-links a{display:block;font-family:var(--disp);text-transform:uppercase;font-size:34px;font-weight:600;padding:18px 0;border-bottom:1px solid var(--rule)!important}
}
/* index bar (capabilities) */
.index{position:sticky;top:64px;z-index:40;background:rgba(244,243,239,.92);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);border-bottom:1px solid var(--rule)}
.index-in{max-width:var(--max);margin-inline:auto;padding-inline:var(--gutter);height:44px;display:flex;gap:28px;align-items:center;overflow-x:auto;scrollbar-width:none}
.index-in::-webkit-scrollbar{display:none}
.index a{font-family:var(--mono);font-size:11px;letter-spacing:.1em;text-transform:uppercase;color:var(--muted);white-space:nowrap}
.index a.active,.index a:hover{color:var(--ink)}
.index a i{font-style:normal;color:var(--orange);margin-right:6px}

/* sections */
.sec{padding-block:clamp(56px,6vw,96px)}
.sec.top{padding-block:clamp(56px,5vw,72px) clamp(40px,4vw,64px)}
.rv{opacity:1;transform:none}
.js .rv{opacity:0;transform:translateY(14px);transition:opacity .7s var(--ease),transform .7s var(--ease)}
.js .rv.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}.js .rv{opacity:1;transform:none;transition:none}*{transition-duration:.001s!important;animation-duration:.001s!important}}

/* hero (home) */
.hero-l{grid-column:span 7;display:flex;flex-direction:column;gap:clamp(20px,2.5vw,32px)}
.hero-r{grid-column:span 5;border-left:1px solid var(--rule2);padding-left:32px;display:flex;flex-direction:column}
.hero-r .label{padding-bottom:12px;border-bottom:1px solid var(--rule)}
.fig{position:relative;margin-top:28px}
.fig img{width:100%;height:300px;object-fit:cover;border-radius:4px}
.fig .cap{position:absolute;left:0;bottom:0;background:var(--ink);color:var(--paper);font-family:var(--mono);font-size:11px;padding:6px 10px;letter-spacing:.08em;text-transform:uppercase}
.cta-row{display:flex;align-items:center;gap:24px;flex-wrap:wrap}
@media (max-width:900px){.hero-l,.hero-r{grid-column:span 12}.hero-r{border-left:0;padding-left:0;border-top:1px solid var(--rule2);padding-top:24px}}

/* page head */
.head{display:flex;flex-direction:column;gap:clamp(16px,2vw,24px)}
.head h1{max-width:14ch}

/* process strip */
.strip{display:grid;grid-template-columns:repeat(9,minmax(0,1fr));border-bottom:1px solid var(--rule2)}
.strip div{padding:22px 18px;border-right:1px solid var(--rule);display:flex;flex-direction:column;gap:10px;min-width:0}
.strip div:last-child{border-right:0}
.strip i{font-style:normal;font-family:var(--mono);font-size:11px;color:var(--orange)}
.strip b{font-family:var(--disp);font-size:22px;font-weight:600;text-transform:uppercase;line-height:1}
.strip span{font-size:12px;color:var(--muted)}
@media (max-width:1100px){.strip{grid-template-columns:repeat(3,1fr)}.strip div{border-bottom:1px solid var(--rule)}.strip div:nth-child(3n){border-right:0}}
@media (max-width:560px){.strip{grid-template-columns:repeat(2,1fr)}.strip div:nth-child(3n){border-right:1px solid var(--rule)}.strip div:nth-child(2n){border-right:0}}

/* black chapter */
.chapter{background:var(--black);color:var(--bink);padding-block:clamp(72px,8vw,112px) clamp(64px,7vw,104px);text-align:center}
.chapter .in{max-width:var(--max);margin-inline:auto;padding-inline:var(--gutter);display:flex;flex-direction:column;align-items:center;gap:clamp(24px,3vw,40px)}
.chapter h2{font-size:clamp(44px,6.6vw,96px);max-width:18ch;color:#fff}
.chapter .lead{color:var(--bmuted);max-width:56ch;text-align:center}
.plate{height:clamp(280px,42vw,620px);width:auto;max-width:100%;object-fit:contain;filter:drop-shadow(0 40px 60px rgba(0,0,0,.6));will-change:transform}
.chapter .facts{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:24px;width:min(1000px,100%);border-top:1px solid var(--brule);padding-top:24px;text-align:left}
.chapter .facts b{display:block;font-family:var(--disp);font-size:clamp(28px,3vw,40px);font-weight:700;text-transform:uppercase;line-height:1}
.chapter .facts span{display:block;font-family:var(--mono);font-size:11px;color:var(--bmuted);letter-spacing:.1em;text-transform:uppercase;margin-top:6px}
@media (max-width:640px){.chapter .facts{grid-template-columns:repeat(2,1fr)}}

/* product panels */
.panel{background:var(--white);border-radius:4px;padding:24px;display:flex;align-items:center;justify-content:center;height:300px}
.panel img{max-height:252px;max-width:100%;width:auto;object-fit:contain}
.pcol{display:flex;flex-direction:column}
.pcol .label{margin-top:20px}
.pcol h3{margin:6px 0 8px}
.col-4{grid-column:span 4}.col-5{grid-column:span 5}.col-6{grid-column:span 6}.col-7{grid-column:span 7}.col-8{grid-column:span 8}.col-12{grid-column:span 12}
.off-7{grid-column:7/span 6}.off-8{grid-column:8/span 5}.off-9{grid-column:9/span 4}
@media (max-width:900px){.col-4,.col-5,.col-6,.col-7,.col-8,.off-7,.off-8,.off-9{grid-column:span 12}}

/* feature rows */
.feat{align-items:center}
.feat img{width:100%;height:clamp(260px,32vw,440px);object-fit:cover;border-radius:4px}
.feat .text{display:flex;flex-direction:column;gap:18px}

/* certs */
.certs{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;list-style:none;margin:0;padding:0}
.certs li{background:var(--white);border-radius:4px;padding:20px 20px 18px;display:flex;flex-direction:column;gap:4px}
.certs b{font-family:var(--disp);font-size:26px;font-weight:700;text-transform:uppercase}
.certs span{font-size:13px;color:var(--muted)}
@media (max-width:560px){.certs{grid-template-columns:repeat(2,1fr)}}

/* inquiry block */
.inq{margin:0 var(--gutter) clamp(56px,6vw,72px);background:var(--black);color:var(--bink);padding:clamp(40px,5vw,64px);display:grid;grid-template-columns:repeat(12,minmax(0,1fr));gap:24px;align-items:center;border-radius:4px}
.inq h2{grid-column:span 8;color:#fff;font-size:clamp(40px,4vw,56px)}
.inq .txt{grid-column:span 8;display:flex;flex-direction:column;gap:14px}
.inq p{font-size:17px;color:var(--bmuted);max-width:52ch}
.inq .act{grid-column:span 4;display:flex;justify-content:flex-end;gap:12px}
@media (max-width:900px){.inq .txt,.inq .act{grid-column:span 12}.inq .act{justify-content:flex-start}}
.wrap>.inq{margin-inline:0}

/* gates */
.gates{display:grid;grid-template-columns:repeat(7,minmax(0,1fr));border-top:1px solid var(--rule2)}
.gates div{padding:22px 18px 24px 0;border-bottom:1px solid var(--rule);display:flex;flex-direction:column;gap:10px;min-width:0}
.gates i{font-style:normal;font-family:var(--mono);font-size:11px;color:var(--orange)}
.gates b{font-family:var(--disp);font-size:24px;font-weight:600;text-transform:uppercase;line-height:1}
.gates span{font-size:13px;color:var(--muted);line-height:1.45}
@media (max-width:1000px){.gates{grid-template-columns:repeat(3,1fr)}}
@media (max-width:560px){.gates{grid-template-columns:1fr}}

/* segmented + product grid */
.seg{display:inline-flex;gap:4px;background:var(--rule);border-radius:999px;padding:3px;position:relative;align-self:flex-start;margin-top:8px}
.seg button{border:0;background:transparent;font-size:13px;font-weight:500;padding:7px 16px;border-radius:999px;color:var(--muted);cursor:pointer;position:relative;z-index:1;transition:color .2s}
.seg button[aria-pressed="true"]{color:var(--ink);font-weight:600}
.seg .thumb{position:absolute;top:3px;bottom:3px;left:3px;width:0;background:var(--white);border-radius:999px;transition:left .3s var(--ease),width .3s var(--ease)}
.pgrid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.prod{display:flex;flex-direction:column;text-align:left;border:0;background:none;padding:0;cursor:pointer;color:inherit}
.prod .panel{height:260px;transition:box-shadow .3s var(--ease),transform .3s var(--ease)}
.prod .panel img{max-height:212px}
.prod:hover .panel{box-shadow:0 20px 40px -24px rgba(0,0,0,.35);transform:translateY(-2px)}
.prod .label{margin-top:18px}
.prod h3{margin:6px 0 6px;font-size:28px}
.prod.hidden{display:none}
@media (max-width:900px){.pgrid{grid-template-columns:repeat(2,1fr)}}
@media (max-width:560px){.pgrid{grid-template-columns:1fr}}

/* dialog */
dialog.pd{border:0;padding:0;background:var(--paper);color:var(--ink);border-radius:4px;max-width:min(920px,calc(100vw - 32px));width:100%}
dialog.pd::backdrop{background:rgba(11,12,13,.6);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px)}
.pd-in{display:grid;grid-template-columns:1fr 1fr;gap:0}
.pd-in .panel{height:auto;min-height:320px;border-radius:0}
.pd-in .panel img{max-height:360px}
.pd-body{padding:36px;display:flex;flex-direction:column;gap:12px}
.pd-body h3{font-size:32px}
.pd-body p{color:var(--ink-2)}
.pd-close{position:absolute;top:12px;right:12px;width:40px;height:40px;border-radius:50%;border:0;background:var(--white);cursor:pointer;font-size:20px;line-height:1}
@media (max-width:720px){.pd-in{grid-template-columns:1fr}}

/* spec table */
.spec{display:grid;grid-template-columns:180px 1fr 1fr;border-top:1px solid var(--rule2)}
.spec > div{padding:14px 16px 14px 0;border-bottom:1px solid var(--rule);font-size:14px;color:var(--muted)}
.spec > div.k{color:var(--ink);font-weight:500}
.spec > div.h{font-family:var(--mono);font-size:11px;letter-spacing:.1em;text-transform:uppercase}
.spec-wrap{overflow-x:auto}
.spec{min-width:640px}

/* gallery / figures */
.figs{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.figs figure{margin:0;display:flex;flex-direction:column;gap:10px}
.figs img{width:100%;height:300px;object-fit:cover;border-radius:4px}
.figs figcaption{font-family:var(--mono);font-size:11px;color:var(--muted);letter-spacing:.08em;text-transform:uppercase}
@media (max-width:900px){.figs{grid-template-columns:1fr}}

/* timeline rows */
.tl{display:flex;flex-direction:column;border-top:1px solid var(--rule2)}
.tl div{display:grid;grid-template-columns:140px 1fr;gap:24px;padding:16px 0;border-bottom:1px solid var(--rule)}
.tl span:first-child{font-family:var(--mono);font-size:14px}
.tl span:last-child{font-size:16px;line-height:1.5;color:var(--ink-2)}
@media (max-width:560px){.tl div{grid-template-columns:1fr;gap:6px}}
.logos{background:var(--white);border-radius:4px;padding:28px}

/* contact */
.form{background:var(--white);border-radius:4px;padding:clamp(24px,3vw,36px);display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}
.form h2{grid-column:span 2;font-size:32px}
.field{display:flex;flex-direction:column;gap:6px}
.field.full{grid-column:span 2}
.field label{font-size:13px;font-weight:500;color:var(--muted)}
.field input,.field select,.field textarea{font:inherit;font-size:15px;color:var(--ink);height:44px;background:var(--paper);border:1px solid var(--rule);border-radius:6px;padding:0 12px;width:100%}
.field textarea{height:120px;padding:12px;resize:vertical}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--ink)}
.form .act{grid-column:span 2;display:flex;align-items:center;gap:18px;flex-wrap:wrap}
.form .act span{font-size:13px;color:var(--muted)}
.form .ok{grid-column:span 2;display:none;font-size:14px;color:var(--ink);background:var(--paper);padding:12px 14px;border-radius:6px}
.form .ok.show{display:block}
@media (max-width:560px){.form{grid-template-columns:1fr}.form h2,.field.full,.form .act,.form .ok{grid-column:span 1}}
.side .label{padding-bottom:10px;border-bottom:1px solid var(--rule2)}
.side .addr{font-size:16px;line-height:1.55;padding:12px 0 20px}
.faq{display:flex;flex-direction:column;border-top:1px solid var(--rule2)}
.faq details{border-bottom:1px solid var(--rule)}
.faq summary{list-style:none;cursor:pointer;display:grid;grid-template-columns:1fr 24px;gap:16px;padding:18px 0;align-items:center;font-size:18px;font-weight:500}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";font-size:22px;color:var(--muted);text-align:right;transition:transform .3s var(--ease)}
.faq details[open] summary::after{transform:rotate(45deg)}
.faq .ans{padding:0 0 20px;color:var(--ink-2);max-width:62ch;line-height:1.55}

/* footer */
.foot{border-top:1px solid var(--rule2);padding:40px var(--gutter) 32px}
.foot-in{max-width:var(--max);margin-inline:auto;display:grid;grid-template-columns:repeat(12,minmax(0,1fr));gap:24px}
.foot-in>div{font-size:13px;line-height:1.6;color:var(--muted)}
.foot-in .b{font-family:var(--disp);font-size:18px;font-weight:700;text-transform:uppercase;color:var(--ink);margin-bottom:8px}
.foot-in .label{color:var(--ink);margin-bottom:6px}
.foot a{color:var(--muted)}.foot a:hover{color:var(--ink)}
.f1{grid-column:span 5}.f2{grid-column:span 3}.f3{grid-column:span 2}.f4{grid-column:span 2}
@media (max-width:900px){.f1,.f2{grid-column:span 12}.f3,.f4{grid-column:span 6}}
@media (max-width:560px){.f3,.f4{grid-column:span 12}}
.toast{position:fixed;left:50%;bottom:24px;transform:translate(-50%,16px);background:var(--ink);color:var(--paper);font-family:var(--mono);font-size:12px;letter-spacing:.06em;padding:10px 16px;border-radius:999px;opacity:0;pointer-events:none;transition:opacity .3s,transform .3s var(--ease);z-index:200}
.toast.show{opacity:1;transform:translate(-50%,0)}

/* language switcher */
.nav-right{display:flex;align-items:center;gap:14px}
.lang select{font:inherit;font-family:var(--mono);font-size:11px;letter-spacing:.06em;color:var(--ink);background:transparent;border:1px solid var(--rule);border-radius:999px;padding:6px 26px 6px 12px;-webkit-appearance:none;appearance:none;cursor:pointer;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='6' viewBox='0 0 10 6'%3E%3Cpath d='M1 1l4 4 4-4' fill='none' stroke='%2315181d' stroke-width='1.2'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 10px center}
.lang select:hover{border-color:var(--ink)}
.f5{grid-column:span 12;font-size:13px}
.f5 a{margin-inline-end:2px}
@media (max-width:900px){.nav-right{margin-inline-start:auto}}

/* CJK */
html.cjk{--disp:"Noto Sans SC","PingFang SC","Microsoft YaHei",sans-serif;--sans:"Noto Sans SC","PingFang SC","Microsoft YaHei",sans-serif}
html.cjk h1,html.cjk h2,html.cjk h3,html.cjk .disp,html.cjk .brand b,html.cjk .strip b,html.cjk .gates b,html.cjk .certs b,html.cjk .chapter .facts b,html.cjk .foot-in .b{letter-spacing:0;text-transform:none;font-weight:700}
html.cjk h1{font-size:clamp(38px,6.2vw,88px);line-height:1.08}
html.cjk h2{font-size:clamp(30px,3.6vw,52px);line-height:1.12}
html.cjk h3{font-size:clamp(20px,1.8vw,26px);line-height:1.25}
html.cjk .chapter h2{font-size:clamp(34px,5vw,72px);line-height:1.12}
html.cjk .inq h2{font-size:clamp(30px,3.4vw,48px)}
html.cjk .lead{line-height:1.7}html.cjk .body,html.cjk .tl span:last-child,html.cjk .faq .ans{line-height:1.8}
html.cjk .sheet,html.cjk .label,html.cjk .index a,html.cjk .figs figcaption,html.cjk .fig .cap{letter-spacing:.06em}
html.cjk .row span:last-child{font-family:var(--sans)}
html.cjk .nav-links a{font-size:15px}

/* RTL / Arabic */
html.rtl{--disp:"IBM Plex Sans Arabic","Noto Sans Arabic",sans-serif;--sans:"IBM Plex Sans Arabic","Noto Sans Arabic",sans-serif}
html.rtl h1,html.rtl h2,html.rtl h3,html.rtl .disp,html.rtl .brand b,html.rtl .strip b,html.rtl .gates b,html.rtl .certs b,html.rtl .chapter .facts b,html.rtl .foot-in .b{letter-spacing:0;text-transform:none;font-weight:700}
html.rtl h1{font-size:clamp(36px,5.8vw,84px);line-height:1.2}
html.rtl h2{font-size:clamp(30px,3.4vw,50px);line-height:1.25}
html.rtl h3{font-size:clamp(20px,1.8vw,26px);line-height:1.35}
html.rtl .chapter h2{font-size:clamp(32px,4.8vw,68px);line-height:1.25}
html.rtl .inq h2{font-size:clamp(28px,3.2vw,46px)}
html.rtl .lead,html.rtl .body,html.rtl .tl span:last-child,html.rtl .faq .ans{line-height:1.8}
html.rtl .sheet,html.rtl .label,html.rtl .index a,html.rtl .figs figcaption,html.rtl .fig .cap,html.rtl .brand small{letter-spacing:0;text-transform:none}
html.rtl .row span:last-child{text-align:left;font-family:var(--sans)}
html.rtl .row span:last-child:lang(ar){direction:rtl}
html.rtl .hero-r{border-left:0;padding-left:0;border-right:1px solid var(--rule2);padding-right:32px}
@media (max-width:900px){html.rtl .hero-r{border-right:0;padding-right:0}}
html.rtl .fig .cap{left:auto;right:0}
html.rtl .strip div{border-right:0;border-left:1px solid var(--rule)}html.rtl .strip div:last-child{border-left:0}
html.rtl .gates div{padding:22px 0 24px 18px}
html.rtl .spec > div{padding:14px 0 14px 16px}
html.rtl .arrow-link .a,html.rtl .cta-row .a{display:inline-block;transform:scaleX(-1)}
html.rtl .arrow-link:hover .a{transform:scaleX(-1) translateX(3px)}
html.rtl .nav-toggle{margin-right:0;margin-left:0}
html.rtl .lang select{padding:6px 12px 6px 26px;background-position:left 10px center}
html.rtl .pd-close{right:auto;left:12px}
html.rtl .inq .act{justify-content:flex-start}
html.rtl .faq summary{grid-template-columns:1fr 24px}

/* long-word safety (German compounds, long labels) */
h1,h2,h3,.strip b,.strip span,.gates b,.gates span,.certs b,.certs span,.prod h3,.row span,.label,.sheet,.foot-in>div{overflow-wrap:anywhere}
html:lang(de) h1,html:lang(de) h2,html:lang(de) h3,html:lang(de) .strip b,html:lang(de) .gates b,html:lang(de) .certs span{hyphens:auto}
html:lang(de) h1{font-size:clamp(40px,6vw,88px)}
html:lang(de) .chapter h2{font-size:clamp(40px,5.6vw,80px)}
html.rtl .row span:last-child,html.rtl .strip span,html.rtl .chapter .facts b,html.rtl .certs b,html.rtl .spec > div{unicode-bidi:plaintext}
.brand b{white-space:nowrap}
html.rtl a[href^="tel"],html.rtl a[href^="mailto"]{direction:ltr;unicode-bidi:isolate;display:inline-block}
.nav-toggle{flex:none}
@media (max-width:480px){.brand b{font-size:17px}.brand{gap:10px}.nav-in{gap:12px}.nav-right{gap:8px}.lang select{padding:6px 22px 6px 8px;font-size:10px}html.rtl .lang select{padding:6px 8px 6px 22px}}