/* Quellwerk ERP — gemeinsames Stylesheet für index.html und product.html */
/* ---------- Tokens ---------- */
:root{
  --bg:oklch(0.985 0.003 275);
  --bg-alt:oklch(0.962 0.008 275);
  --surface:#fff;
  --ink:oklch(0.24 0.015 278);
  --ink-2:oklch(0.42 0.02 278);
  --ink-3:oklch(0.52 0.02 278);
  --line:oklch(0.89 0.01 275);
  --line-soft:oklch(0.93 0.006 275);
  --brand:oklch(0.55 0.14 275);
  --brand-ink:oklch(0.42 0.12 275);
  --brand-soft:oklch(0.95 0.02 275);
  --dark:oklch(0.2 0.035 278);
  --dark-2:oklch(0.16 0.03 278);
  --on-dark:oklch(0.86 0.02 275);
  --on-dark-2:oklch(0.72 0.03 275);
  --ok:oklch(0.5 0.13 155);
  --no:oklch(0.52 0.16 25);
  --mono:'Spline Sans Mono',ui-monospace,monospace;
  --radius:14px;
  --gutter:24px;
  --sec:96px;
}
@media (max-width:720px){:root{--gutter:18px;--sec:64px;}}

/* ---------- Base ---------- */
html,body{margin:0;padding:0;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
body{background:var(--bg);font-family:Sora,system-ui,sans-serif;color:var(--ink);-webkit-font-smoothing:antialiased;min-width:320px;line-height:1.6;}
img,video{max-width:100%;}
a{color:var(--brand-ink);text-decoration:none;}
a:hover{text-decoration:underline;}
h1,h2,h3,h4{text-wrap:balance;}
p{text-wrap:pretty;}
section{scroll-margin-top:72px;}
a:focus-visible,button:focus-visible,summary:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:4px;}
html[data-lang="de"] [data-l="en"]{display:none!important;}
html[data-lang="en"] [data-l="de"]{display:none!important;}

/* ---------- Layout ---------- */
.wrap{max-width:1120px;margin:0 auto;padding:0 var(--gutter);}
.sec{padding:var(--sec) 0;}
.sec.alt{background:var(--bg-alt);border-top:1px solid var(--line-soft);border-bottom:1px solid var(--line-soft);}
.eyebrow{margin:0 0 12px;font-family:var(--mono);font-size:12px;letter-spacing:.08em;text-transform:uppercase;color:var(--brand-ink);}
.sec h2{margin:0;font-size:clamp(26px,3.4vw,40px);line-height:1.15;font-weight:700;letter-spacing:-.02em;max-width:780px;}
.lead{margin:16px 0 0;font-size:16.5px;line-height:1.7;color:var(--ink-2);max-width:680px;}
.grid{display:grid;gap:16px;margin-top:32px;}
.g2{grid-template-columns:repeat(2,1fr);}
.g3{grid-template-columns:repeat(3,1fr);}
.g4{grid-template-columns:repeat(4,1fr);}
@media (max-width:960px){.g4{grid-template-columns:repeat(2,1fr);}.g3{grid-template-columns:1fr;}}
@media (max-width:720px){.g2,.g4{grid-template-columns:1fr;}.grid{margin-top:24px;gap:12px;}}
.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:24px;}
.card h3{margin:0 0 8px;font-size:16px;font-weight:600;line-height:1.35;}
.card p{margin:0;font-size:14.5px;line-height:1.65;color:var(--ink-2);}
.card .tag{margin:0 0 10px;font-family:var(--mono);font-size:12px;letter-spacing:.06em;text-transform:uppercase;}
.note{margin-top:12px;font-family:var(--mono);font-size:12px;line-height:1.6;color:var(--ink-3);}
.more{display:inline-block;margin-top:24px;font-weight:600;font-size:15px;}

/* ---------- Buttons ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;font-weight:600;font-size:15px;padding:13px 24px;border-radius:10px;white-space:nowrap;}
.btn:hover{text-decoration:none;}
.btn-primary{background:var(--brand);color:#fff;}
.btn-primary:hover{background:oklch(0.48 0.14 275);color:#fff;}
.btn-outline{border:1px solid oklch(1 0 0 / .3);color:#fff;}
.btn-outline:hover{background:oklch(1 0 0 / .08);color:#fff;}
.btn-white{background:#fff;color:oklch(0.25 0.05 278);}
.btn-white:hover{background:oklch(0.92 0.01 275);color:oklch(0.25 0.05 278);}

/* ---------- Nav ---------- */
.nav{position:sticky;top:0;z-index:50;background:oklch(0.2 0.035 278 / .94);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border-bottom:1px solid oklch(1 0 0 / .08);}
.nav-in{height:60px;display:flex;align-items:center;gap:20px;}
.brand{display:flex;align-items:center;gap:10px;font-weight:700;font-size:16px;letter-spacing:-.01em;color:#fff;white-space:nowrap;}
.brand:hover{color:#fff;text-decoration:none;}
.brand-q{width:28px;height:28px;border-radius:7px;background:var(--brand);display:flex;align-items:center;justify-content:center;font-family:var(--mono);font-size:14px;font-weight:600;flex-shrink:0;}
.brand-tag{font-family:var(--mono);font-size:11px;font-weight:400;color:oklch(0.78 0.06 275);border:1px solid oklch(1 0 0 / .2);border-radius:99px;padding:2px 9px;}
.nav-links{display:flex;gap:22px;margin-left:auto;font-size:13.5px;}
.nav-links a{color:var(--on-dark);}
.nav-links a:hover{color:#fff;text-decoration:none;}
.lang{display:flex;border:1px solid oklch(1 0 0 / .22);border-radius:8px;overflow:hidden;flex-shrink:0;}
.lang button{border:0;background:transparent;color:oklch(0.75 0.02 275);font-family:var(--mono);font-size:12px;padding:6px 10px;cursor:pointer;}
html[data-lang="en"] [data-lbtn="en"],html[data-lang="de"] [data-lbtn="de"]{background:oklch(1 0 0 / .18);color:#fff;}
.nav-cta{font-size:13.5px;padding:9px 16px;border-radius:8px;}
.menu-btn{display:none;width:40px;height:40px;border:1px solid oklch(1 0 0 / .22);border-radius:8px;background:transparent;color:#fff;cursor:pointer;align-items:center;justify-content:center;flex-shrink:0;}
.menu-btn svg{width:18px;height:18px;}
.mobile-menu{display:none;}
@media (max-width:1000px){
  .nav-links,.brand-tag{display:none;}
  .lang{margin-left:auto;}
  .menu-btn{display:inline-flex;}
  .nav.open .mobile-menu{display:block;border-top:1px solid oklch(1 0 0 / .08);padding-top:8px;padding-bottom:16px;}
  .mobile-menu a{display:block;padding:12px 0;color:var(--on-dark);font-size:16px;border-bottom:1px solid oklch(1 0 0 / .06);}
  .mobile-menu a:last-child{border-bottom:0;}
}
@media (max-width:520px){.nav-cta{display:none;}.nav-in{gap:10px;}}

/* ---------- Hero ---------- */
.hero{background:linear-gradient(180deg,var(--dark),var(--dark-2));color:#fff;}
.hero-in{padding-top:88px;}
.hero .eyebrow{color:oklch(0.78 0.09 275);margin-bottom:18px;}
.hero h1{margin:0;font-size:clamp(36px,6vw,68px);line-height:1.06;font-weight:800;letter-spacing:-.03em;max-width:900px;}
.hero h1 em{font-style:normal;color:oklch(0.78 0.1 275);}
.hero-sub{margin:24px 0 0;font-size:18px;line-height:1.65;color:var(--on-dark);max-width:640px;}
.hero-sub strong{color:#fff;}
.hero-ctas{display:flex;gap:12px;margin-top:32px;flex-wrap:wrap;}
.hero-stack{margin:22px 0 0;font-family:var(--mono);font-size:13px;color:var(--on-dark-2);}
.stats{margin-top:56px;border-top:1px solid oklch(1 0 0 / .12);display:grid;grid-template-columns:repeat(5,1fr);}
.stat{padding:26px 20px 34px;border-left:1px solid oklch(1 0 0 / .1);}
.stat:first-child{border-left:0;padding-left:0;}
.stat b{display:block;font-family:var(--mono);font-size:28px;font-weight:600;letter-spacing:-.01em;}
.stat>span{display:block;font-size:13px;line-height:1.45;color:var(--on-dark-2);margin-top:6px;}
@media (max-width:960px){
  .stats{grid-template-columns:repeat(2,1fr);}
  .stat{padding:20px 16px 22px;border-left:0;border-top:1px solid oklch(1 0 0 / .1);}
  .stat:nth-child(odd){padding-left:0;}
  .stat:nth-child(even){border-left:1px solid oklch(1 0 0 / .1);}
  .stat:nth-child(-n+2){border-top:0;}
  .stat:last-child{grid-column:1 / -1;border-left:0;padding-left:0;}
}
@media (max-width:720px){
  .hero-in{padding-top:52px;}
  .hero-sub{font-size:16.5px;}
  .hero-ctas{display:grid;grid-template-columns:1fr 1fr;}
  .hero-ctas .btn{padding:13px 12px;}
  .stats{margin-top:40px;}
  .stat b{font-size:23px;}
}

/* ---------- Fit / compare ---------- */
.compare{margin-top:16px;display:grid;grid-template-columns:repeat(4,1fr);border:1px solid var(--line);border-radius:var(--radius);background:var(--surface);overflow:hidden;}
.compare>div{padding:20px 22px;border-left:1px solid var(--line-soft);}
.compare>div:first-child{border-left:0;}
.compare h3{margin:0 0 6px;font-size:14.5px;font-weight:600;}
.compare p{margin:0;font-size:13.5px;line-height:1.55;color:var(--ink-3);}
.compare .us{background:var(--brand-soft);}
.compare .us h3{color:var(--brand-ink);}
.compare .us p{color:oklch(0.32 0.08 275);font-weight:600;}
@media (max-width:960px){
  .compare{grid-template-columns:1fr;}
  .compare>div{border-left:0;border-top:1px solid var(--line-soft);display:grid;grid-template-columns:120px 1fr;gap:12px;padding:14px 18px;}
  .compare>div:first-child{border-top:0;}
  .compare h3{margin:0;}
}

/* ---------- Media ---------- */
.frame{margin-top:32px;border-radius:16px;overflow:hidden;border:1px solid var(--line);box-shadow:0 24px 60px -28px oklch(0.3 0.06 278 / .4);background:var(--dark);}
.frame video{display:block;width:100%;height:auto;}
@media (max-width:720px){.frame{margin-top:24px;border-radius:12px;}}
.shots{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:20px;}
.shots figure{margin:0;}
.shots img{display:block;width:100%;aspect-ratio:16/9;object-fit:cover;object-position:top left;border-radius:10px;border:1px solid var(--line);}
.shots figcaption{font-family:var(--mono);font-size:11.5px;line-height:1.5;color:var(--ink-3);margin-top:8px;}
@media (max-width:960px){
  .shots{display:flex;overflow-x:auto;scroll-snap-type:x mandatory;gap:12px;margin:16px calc(-1 * var(--gutter)) 0;padding:0 var(--gutter) 8px;scrollbar-width:none;}
  .shots::-webkit-scrollbar{display:none;}
  .shots figure{flex:0 0 82%;scroll-snap-align:center;}
  .shots img{object-position:top left;aspect-ratio:4/3;}
}
.swipe-hint{display:none;font-family:var(--mono);font-size:11.5px;color:var(--ink-3);margin-top:8px;}
@media (max-width:960px){.swipe-hint{display:block;}}
/* ---------- Refinements ---------- */
body{counter-reset:sec;}
.sec>.wrap>.eyebrow::before{counter-increment:sec;content:counter(sec,decimal-leading-zero) "  /  ";color:var(--ink-3);white-space:pre;}
.note{font-family:inherit;font-size:13.5px;}
@media (max-width:720px){
  .hero h1{font-size:clamp(32px,9vw,40px);}
  .hero-in{padding-top:44px;}
  .hero-sub{font-size:16px;margin-top:18px;}
  .hero-ctas{margin-top:26px;}
  .stat{padding:16px 14px 18px;}
  .card{padding:20px;}
  .card p{font-size:14px;}
  .lead{font-size:15.5px;}
  .compare>div{grid-template-columns:104px 1fr;}
}

/* ---------- Building blocks (lower half) ---------- */
.sub{margin:64px 0 0;font-size:22px;font-weight:700;letter-spacing:-.01em;line-height:1.3;}
.sub+.lead{margin-top:10px;font-size:15.5px;}
@media (max-width:720px){.sub{margin-top:44px;font-size:19px;}}
.num{margin:0 0 10px;font-family:var(--mono);font-size:13px;color:var(--brand-ink);}
.kpi .n{display:block;font-family:var(--mono);font-size:28px;font-weight:600;letter-spacing:-.01em;line-height:1.2;}
.kpi .t{display:block;margin-top:8px;font-size:13.5px;line-height:1.55;color:var(--ink-2);}
@media (max-width:720px){.kpis{grid-template-columns:repeat(2,1fr);}.kpi.wide{grid-column:1 / -1;}.kpi .n{font-size:22px;}.kpi .t{font-size:13px;}}
.callout{margin-top:16px;border-left:3px solid var(--brand-ink);background:var(--surface);border-radius:0 12px 12px 0;padding:18px 22px;}
.callout p{margin:0;font-size:15px;line-height:1.7;color:var(--ink-2);}
.callout.warn{border-left-color:oklch(0.66 0.13 75);}
@media (max-width:720px){.callout{padding:16px 18px;}.callout p{font-size:14px;}}
.kv{margin-top:24px;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;}
.kv>div{display:grid;grid-template-columns:150px 1fr;gap:20px;padding:15px 22px;border-top:1px solid var(--line-soft);}
.kv>div:first-child{border-top:0;}
.kv .k{font-family:var(--mono);font-size:12.5px;color:var(--brand-ink);padding-top:2px;}
.kv .v{font-size:14.5px;line-height:1.6;}
@media (max-width:720px){.kv>div{grid-template-columns:1fr;gap:4px;padding:14px 18px;}.kv .v{font-size:14px;}}
.list{margin:0;padding-left:18px;font-size:14.5px;line-height:1.65;color:var(--ink-2);}
.list li+li{margin-top:7px;}
.card .list{margin-top:4px;}
@media (max-width:720px){.list{font-size:14px;}}
.card .kicker{margin:0 0 6px;font-family:var(--mono);font-size:12px;letter-spacing:.06em;text-transform:uppercase;color:var(--ink-3);}
.card h3.big{font-size:18px;margin-bottom:14px;}
.card .foot{margin-top:16px;font-size:13px;color:var(--ink-3);}
.modules{margin-top:16px;}
.modules>summary{font-size:16px;font-weight:600;}
.modules .mods{display:grid;grid-template-columns:repeat(2,1fr);gap:10px 32px;margin-top:18px;font-size:13.5px;line-height:1.55;color:var(--ink-2);}
.modules .mods b{font-family:var(--mono);font-weight:600;color:oklch(0.3 0.06 275);}
.modules .foot{border-top:1px solid var(--line-soft);padding-top:14px;}
@media (max-width:720px){.modules .mods{grid-template-columns:1fr;}}

/* Pricing */
.tiers{align-items:stretch;}
.tier{position:relative;display:flex;flex-direction:column;}
.tier.featured{border:1.5px solid var(--brand-ink);box-shadow:0 16px 40px -22px oklch(0.42 0.12 275 / .45);}
.badge{position:absolute;top:-11px;left:22px;background:var(--brand-ink);color:#fff;font-family:var(--mono);font-size:11px;letter-spacing:.05em;padding:3px 10px;border-radius:99px;}
.tier h3{font-size:17px;font-weight:700;margin:4px 0 6px;}
.card .price{margin:0;font-size:30px;font-weight:800;letter-spacing:-.02em;line-height:1.2;color:var(--ink);}
.card .price small{font-size:14px;font-weight:500;color:var(--ink-3);}
.card .who{margin:4px 0 16px;font-size:13.5px;color:var(--ink-3);}
.tier .list{border-top:1px solid var(--line-soft);padding-top:14px;padding-left:18px;}
@media (max-width:960px){.tiers{grid-template-columns:1fr;gap:20px;}}
.fine{margin:16px 0 0;font-size:13px;line-height:1.65;color:var(--ink-3);max-width:900px;}
.cost{width:100%;border-collapse:collapse;font-size:14px;margin-top:4px;}
.cost th{text-align:left;padding:10px 14px;border-bottom:2px solid var(--line);font-family:var(--mono);font-size:11.5px;font-weight:500;letter-spacing:.05em;text-transform:uppercase;color:var(--ink-3);}
.cost td{padding:12px 14px;border-bottom:1px solid var(--line-soft);}
.cost td.m{font-family:var(--mono);}
.cost tr.us td{background:var(--brand-soft);font-weight:600;border-bottom:0;}
@media (max-width:720px){
  .cost thead{display:none;}
  .cost,.cost tbody,.cost tr,.cost td{display:block;width:auto;}
  .cost tr{padding:12px 0;border-bottom:1px solid var(--line-soft);}
  .cost tr.us{background:var(--brand-soft);border-radius:10px;padding:12px 14px;margin-top:10px;border-bottom:0;}
  .cost td{border:0;padding:3px 0;display:grid;grid-template-columns:76px 1fr;gap:8px;font-size:13.5px;}
  .cost tr.us td{background:transparent;}
  .cost td:first-child{display:block;font-weight:600;padding-bottom:6px;}
  html[data-lang="de"] .cost td[data-de]::before{content:attr(data-de);}
  html[data-lang="en"] .cost td[data-en]::before{content:attr(data-en);}
  .cost td::before{font-family:var(--mono);font-size:11px;letter-spacing:.04em;text-transform:uppercase;color:var(--ink-3);padding-top:2px;}
}
.box-ok{background:oklch(0.965 0.02 155);}
.box-ok h3{color:oklch(0.42 0.1 155);}
.box-muted{background:oklch(0.975 0.004 275);}
.box-warn{background:oklch(0.97 0.025 85);border-color:oklch(0.86 0.05 80);margin-top:16px;}
.box-warn h3{color:oklch(0.48 0.1 70);}

/* FAQ */
.faq{max-width:860px;}
.faq-list{display:flex;flex-direction:column;gap:10px;margin-top:28px;}
.faq-list details{background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:16px 20px;}
.faq-list summary{font-size:15px;font-weight:600;line-height:1.45;display:flex;}
.faq-list details p{margin:12px 0 0 22px;font-size:14.5px;line-height:1.7;color:var(--ink-2);}
@media (max-width:720px){.faq-list details{padding:14px 16px;}.faq-list summary{font-size:14.5px;}.faq-list details p{margin-left:0;font-size:14px;}}
.about{margin-top:48px;display:grid;grid-template-columns:auto 1fr;gap:20px;align-items:start;}
.about .avatar{width:52px;height:52px;border-radius:50%;background:var(--brand);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:18px;}
.about h3{margin:0 0 8px;font-size:18px;font-weight:700;}
.about p{margin:0;font-size:15px;line-height:1.75;color:var(--ink-2);}
@media (max-width:720px){.about{grid-template-columns:1fr;gap:12px;}.about p{font-size:14px;}}

/* Contact */
.contact{background:linear-gradient(160deg,var(--dark),oklch(0.26 0.06 275));border-radius:20px;color:#fff;padding:56px 48px;}
.contact .eyebrow{color:oklch(0.78 0.09 275);}
.contact h2{margin:0;font-size:clamp(24px,3.2vw,36px);line-height:1.2;font-weight:700;letter-spacing:-.02em;}
.steps{display:flex;flex-wrap:wrap;gap:8px;margin:24px 0 0;padding:0;list-style:none;counter-reset:st;}
.steps li{counter-increment:st;display:flex;align-items:center;gap:8px;background:oklch(1 0 0 / .08);border:1px solid oklch(1 0 0 / .15);border-radius:99px;padding:8px 16px;font-size:13.5px;color:var(--on-dark);}
.steps li::before{content:counter(st,decimal-leading-zero);font-family:var(--mono);color:oklch(0.78 0.09 275);}
.contact-row{margin-top:40px;display:flex;flex-wrap:wrap;gap:28px;align-items:flex-end;justify-content:space-between;}
.contact-row h3{margin:0 0 8px;font-size:20px;font-weight:600;}
.contact-row p{margin:0;font-size:14.5px;line-height:1.7;color:oklch(0.82 0.02 275);max-width:560px;}
.contact-cta{display:flex;flex-direction:column;gap:10px;align-items:flex-start;}
.copy-btn{border:1px solid oklch(1 0 0 / .3);background:transparent;color:oklch(0.8 0.03 275);font-family:inherit;font-size:12.5px;padding:7px 14px;border-radius:7px;cursor:pointer;}
@media (max-width:720px){
  .contact{padding:36px 22px;border-radius:16px;margin:0 calc(-1 * var(--gutter) + 8px);}
  .steps{flex-direction:column;align-items:stretch;}
  .steps li{border-radius:10px;}
  .contact-row{margin-top:28px;}
  .contact-cta{width:100%;align-items:stretch;}
  .contact-cta .btn{white-space:normal;}
}

/* Footer */
.foot-main{border-top:1px solid var(--line);background:#fff;}
.foot-in{padding:32px var(--gutter);display:flex;flex-wrap:wrap;gap:20px;justify-content:space-between;font-size:12.5px;color:var(--ink-3);line-height:1.7;}
.foot-in p{margin:0;}
.foot-in b{color:oklch(0.3 0.02 278);}

details>summary{list-style:none;cursor:pointer;}
details>summary::-webkit-details-marker{display:none;}
details>summary::before{content:"+";font-family:var(--mono);color:var(--brand-ink);margin-right:10px;font-weight:600;}
details[open]>summary::before{content:"–";}

/* ---------- Product tour ---------- */
.page-head{padding-top:72px;padding-bottom:8px;}
.page-head h1{margin:0;font-size:clamp(32px,4.6vw,52px);line-height:1.1;font-weight:800;letter-spacing:-.025em;}
.chips{display:flex;flex-wrap:wrap;gap:8px;margin-top:24px;}
.chip{font-family:var(--mono);font-size:12.5px;border:1px solid var(--line);border-radius:99px;padding:7px 14px;background:#fff;color:oklch(0.35 0.04 275);}
.chip:hover{text-decoration:none;border-color:var(--brand-ink);color:var(--brand-ink);}
.scene{display:grid;grid-template-columns:minmax(0,5fr) minmax(0,7fr);gap:40px;align-items:start;margin-top:28px;}
.scene .list{margin-top:14px;}
.scene .frame{margin-top:0;}
@media (max-width:960px){.scene{grid-template-columns:1fr;gap:20px;}.page-head{padding-top:44px;}}
.arch{margin:24px 0 0;}
.arch img{display:block;width:100%;border-radius:14px;border:1px solid var(--line);}
.arch figcaption{font-family:var(--mono);font-size:11.5px;line-height:1.5;color:var(--ink-3);margin-top:8px;}