/* system.aero — design tokens */
:root{
  --paper:#FFFFFF;
  --ink:#1A1A1A;
  --muted:#5F5E5A;
  --faint:#8A8983;
  --strip:#FAF9F7;
  --line:#E8E6E3;
  --red:#C8102E;
  --red-dark:#A00D25;
  --red-tint:#FCEBEB;
  --max:1080px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:'Inter',system-ui,-apple-system,sans-serif;font-size:17px;line-height:1.65;color:var(--ink);background:var(--paper);-webkit-font-smoothing:antialiased}
img{max-width:100%;height:auto;display:block}
a{color:var(--red);text-decoration:none}
a:hover{text-decoration:underline}
a:focus-visible,button:focus-visible{outline:2px solid var(--red);outline-offset:2px}
.wrap{max-width:var(--max);margin:0 auto;padding:0 24px}

/* header */
.site-header{border-bottom:1px solid var(--line);position:sticky;top:0;background:rgba(255,255,255,.96);z-index:10}
.site-header .wrap{max-width:none;display:flex;align-items:center;gap:16px;height:50px}
.logo{font-size:19px;font-weight:600;color:var(--ink);letter-spacing:-.01em}
.logo b{color:var(--red);font-weight:600}
.logo:hover{text-decoration:none}
nav.main{flex:1;display:flex;justify-content:space-evenly;align-items:center;font-size:14px}
nav.main a{color:var(--muted)}
nav.main a:hover{color:var(--ink);text-decoration:none}
nav.main a.cta-link{color:var(--red);font-weight:500}
.lang{border:1px solid var(--line);border-radius:6px;padding:3px 10px;font-size:12.5px;color:var(--muted)}
.lang b{color:var(--ink);font-weight:500}
.nav-toggle{display:none}

/* hero */
.hero{padding:84px 0 72px;text-align:center}
.hero h1{font-size:clamp(34px,5vw,54px);font-weight:600;line-height:1.1;letter-spacing:-.02em;max-width:22ch;margin:0 auto 16px}
.hero p.lead{font-size:18px;color:var(--muted);max-width:560px;margin:0 auto;line-height:1.6}
.btns{display:flex;gap:12px;flex-wrap:wrap}
.btn{display:inline-block;font-size:15px;font-weight:500;padding:13px 26px;border-radius:8px;line-height:1}
.btn-red{background:var(--red);color:#fff}
.btn-red:hover{background:var(--red-dark);text-decoration:none}
.btn-ghost{border:1px solid #B4B2A9;color:var(--ink)}
.btn-ghost:hover{border-color:var(--ink);text-decoration:none}

/* numbers strip — the signature */
.numstrip{border-top:1px solid var(--line);border-bottom:1px solid var(--line);background:var(--strip)}
.numstrip .wrap{display:grid;grid-template-columns:repeat(4,1fr)}
.num{padding:22px 20px;border-right:1px solid var(--line)}
.num:last-child{border-right:0}
.num b{display:block;font-size:26px;font-weight:600;color:var(--red);font-variant-numeric:tabular-nums;letter-spacing:-.01em}
.num span{font-size:13px;color:var(--muted)}

/* sections */
section{padding:72px 0}
.eyebrow{font-size:13px;font-weight:600;letter-spacing:.08em;text-transform:uppercase;color:var(--red);margin-bottom:10px}
h2.sec{font-size:clamp(26px,3.2vw,36px);font-weight:600;letter-spacing:-.015em;line-height:1.2;margin-bottom:14px}
p.sub{color:var(--muted);max-width:62ch;margin-bottom:40px}

/* product cards */
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.card{border:1px solid var(--line);border-radius:12px;padding:22px;display:flex;flex-direction:column;transition:border-color .15s}
.card:hover{border-color:#B4B2A9}
.card a.stretch{color:inherit}
.card a.stretch:hover{text-decoration:none}
.card .thumb{height:150px;background:var(--strip);border-radius:8px;margin-bottom:16px;display:flex;align-items:center;justify-content:center;color:var(--faint);font-size:12.5px;text-align:center;padding:10px}
.card .thumb.tint{background:var(--red-tint);color:var(--red-dark)}
.card h3{font-size:17.5px;font-weight:600;margin-bottom:6px}
.card p{font-size:14.5px;color:var(--muted);line-height:1.55}
.card .more{margin-top:auto;padding-top:14px;font-size:14px;font-weight:500;color:var(--red)}

/* solutions strip */
.solutions{background:var(--strip);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.sol-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.sol{background:var(--paper);border:1px solid var(--line);border-radius:12px;padding:28px}
.sol h3{font-size:20px;font-weight:600;margin-bottom:8px}
.sol p{font-size:15px;color:var(--muted);margin-bottom:16px}

/* innovation */
.innov{border:1px solid var(--line);border-left:4px solid var(--red);border-radius:0 12px 12px 0;padding:26px 30px;display:flex;gap:24px;align-items:center;flex-wrap:wrap}
.innov h3{font-size:19px;font-weight:600}
.innov p{color:var(--muted);font-size:15px}

/* photo slots */
figure.photo{margin:36px 0}
.photo-ph{aspect-ratio:16/9;border:2px dashed var(--line);border-radius:12px;background:var(--strip);display:flex;align-items:center;justify-content:center;color:var(--faint);font-size:14px;text-align:center;padding:24px}
figure.photo img{border-radius:12px;width:100%;object-fit:cover;aspect-ratio:16/9}
figcaption{font-size:13.5px;color:var(--faint);margin-top:10px}

/* faq */
.faq details{border-bottom:1px solid var(--line);padding:4px 0}
.faq summary{cursor:pointer;font-size:16.5px;font-weight:500;padding:16px 0;list-style:none;position:relative;padding-right:32px}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";position:absolute;right:4px;top:12px;font-size:22px;color:var(--red);font-weight:400}
.faq details[open] summary::after{content:"–"}
.faq details p{padding:0 0 18px;color:var(--muted);max-width:68ch}

/* prose (product pages) */
.prose{max-width:760px}
.prose h1{font-size:clamp(30px,4vw,46px);font-weight:600;line-height:1.15;letter-spacing:-.02em;margin-bottom:16px}
.prose p.lead{font-size:21px;color:var(--ink);font-weight:500;line-height:1.5;margin-bottom:20px;max-width:56ch}
.prose h2{font-size:24px;font-weight:600;letter-spacing:-.01em;margin:44px 0 14px}
.prose p{margin-bottom:16px;color:var(--muted)}
.prose ul{margin:0 0 20px 22px}
.prose li{margin-bottom:10px}
.prose li::marker{color:var(--red)}
.proof{background:var(--strip);border-left:4px solid var(--red);padding:20px 24px;margin:26px 0;font-size:16.5px}
.crumb{font-size:13.5px;color:var(--faint);padding:26px 0 0}
.crumb a{color:var(--faint)}
.robots-grid{display:grid;grid-template-columns:1fr 1fr;gap:6px 28px;margin:14px 0 22px}
.robots-grid div{font-size:15px;padding:9px 0;border-bottom:1px solid var(--line)}
.robots-grid b{font-weight:600}

/* cta band */
.cta-band{background:var(--ink);border-radius:14px;padding:36px 40px;display:flex;justify-content:space-between;align-items:center;gap:24px;flex-wrap:wrap;margin:56px 0}
.cta-band h2{color:#fff;font-size:24px;font-weight:600;letter-spacing:-.01em;margin-bottom:6px}
.cta-band p{color:#B4B2A9;font-size:15px;max-width:52ch}
.cta-band .contact-line{color:#B4B2A9;font-size:14px;margin-top:10px}
.cta-band .contact-line a{color:#fff}

/* footer */
footer{border-top:1px solid var(--line);padding:36px 0 48px;font-size:14px;color:var(--muted)}
footer .wrap{display:flex;justify-content:space-between;gap:24px;flex-wrap:wrap}
footer a{color:var(--muted)}

/* about */
.about{padding-top:52px}
.about p{max-width:64ch;color:var(--muted);font-size:17px}

@media (max-width:860px){
  .cards{grid-template-columns:1fr 1fr}
  .sol-grid{grid-template-columns:1fr}
  .numstrip .wrap{grid-template-columns:1fr 1fr}
  .num:nth-child(2){border-right:0}
  .num:nth-child(-n+2){border-bottom:1px solid var(--line)}
  .robots-grid{grid-template-columns:1fr}
}
@media (max-width:600px){
  .cards{grid-template-columns:1fr}
  nav.main{gap:16px;font-size:13.5px}
  nav.main a.hide-m{display:none}
  .hero{padding:56px 0 48px}
  section{padding:52px 0}
  .cta-band{padding:28px 24px}
}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}

/* real photos */
figure.photo--portrait{max-width:440px;margin:32px auto}
figure.photo--portrait img{aspect-ratio:auto;border-radius:12px;width:100%;height:auto}

/* product page (apple-style) */
.p-hero{text-align:center;padding:60px 0 30px}
.p-hero h1{font-size:clamp(34px,5vw,54px);font-weight:600;line-height:1.08;letter-spacing:-.025em;margin:0 auto 14px}
.p-hero p.lead{font-size:18px;color:var(--muted);max-width:520px;margin:0 auto 24px}
figure.solo{max-width:380px;margin:20px auto 0;padding-bottom:48px}
figure.solo img{width:100%;height:auto;border-radius:14px;display:block}
figure.solo.wide{max-width:820px}
figure.solo figcaption{text-align:center}
.quote{background:var(--ink);padding:60px 24px;text-align:center}
.quote p{color:#fff;font-size:clamp(19px,2.6vw,26px);font-weight:500;line-height:1.45;max-width:34ch;margin:0 auto 10px;letter-spacing:-.01em}
.quote p b{color:#F09595;font-weight:500}
.quote cite{color:#888780;font-size:14px;font-style:normal}
.tiles{display:grid;grid-template-columns:1fr 1fr;gap:16px;max-width:820px;margin:0 auto}
.tile{border:1px solid var(--line);border-radius:12px;padding:20px 22px}
.tile h3{font-size:16.5px;font-weight:600;margin-bottom:5px}
.tile p{font-size:14.5px;color:var(--muted);line-height:1.55}
.tile a{font-size:13.5px}
.robocards{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;max-width:900px;margin:0 auto}
.robocards .tile{padding:16px 18px}
.robocards .tile p{font-size:12.5px}
.tile.ask{border-color:var(--red)}
.tile.ask h3{color:var(--red)}
details.specs{max-width:820px;margin:0 auto;border:1px solid var(--line);border-radius:12px;padding:4px 22px}
details.specs summary{cursor:pointer;font-size:15.5px;font-weight:500;padding:14px 0;list-style:none;color:var(--muted)}
details.specs summary::-webkit-details-marker{display:none}
details.specs summary::before{content:"+ ";color:var(--red)}
details.specs[open] summary::before{content:"\2013 "}
details.specs .inner{padding:4px 0 18px;color:var(--muted);font-size:15.5px}
details.specs .inner p{margin-bottom:12px}
details.specs .inner ul{margin:0 0 12px 20px}
.centered-sec{max-width:820px;margin:0 auto}
@media (max-width:700px){.tiles{grid-template-columns:1fr}.robocards{grid-template-columns:1fr 1fr}}
.card img.thumb{height:150px;width:100%;object-fit:cover;border-radius:8px;margin-bottom:16px;display:block}

/* homepage product stack */
.pstack{padding:72px 0;text-align:center}
.pstack--strip{background:var(--strip)}
.pstack--dark{background:var(--ink)}
.pstack--dark h2{color:#fff}
.pstack--dark .eyebrow{color:#F09595}
.pstack--dark a{color:#F09595}
.pstack h2{font-size:clamp(28px,4vw,44px);font-weight:600;letter-spacing:-.02em;line-height:1.12;margin-bottom:10px}
.pstack .eyebrow{margin-bottom:12px}
.pstack .plink{font-size:15px;font-weight:500}
.pstack img{border-radius:14px;margin:36px auto 0;width:100%;height:auto}
.pstack .pimg--wide{max-width:680px}
.pstack .pimg--portrait{max-width:300px}

.p-hero .btns{justify-content:center}

/* TEMPORARY trade-fair section — remove after 03.09.2026 */
.expo-sub{font-size:16px;color:var(--muted);margin:0 0 18px}
#expo{padding:56px 0}