/* Nutenverschlussstäbe – Marcus Nimrichter, Gerabronn – Demo von Clickschmidt
   B2B-Produkt / Datenblatt-Anmutung. Holz-Amber + Espresso + Creme, Mono-Labels.
   Keine Frameworks, keine externen Requests. */

:root{
  --amber:#b07a3c;
  --amber-d:#8f5e26;
  --amber-l:#e7d3b4;
  --espresso:#2a2018;
  --espresso-2:#3a2d21;
  --cream:#f6f1e8;
  --cream-2:#efe7d8;
  --ink:#2b241d;
  --muted:#6d6355;
  --slate:#555c66;
  --line:#e2d8c6;
  --white:#fff;
  --radius:10px;
  --shadow:0 12px 34px rgba(42,32,24,.12);
  --shadow-s:0 3px 12px rgba(42,32,24,.08);
  --wrap:1140px;
  --sans:"Segoe UI",-apple-system,BlinkMacSystemFont,Roboto,Arial,sans-serif;
  --mono:ui-monospace,"Cascadia Mono","Consolas","SFMono-Regular",Menlo,monospace;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:var(--sans);font-size:18px;line-height:1.65;color:var(--ink);background:var(--cream);-webkit-font-smoothing:antialiased}
img{max-width:100%;height:auto;display:block}
a{color:var(--amber-d)}
h1,h2,h3,h4{line-height:1.22;color:var(--espresso);font-weight:700}
h1{font-size:clamp(2rem,4.8vw,3rem)}
h2{font-size:clamp(1.55rem,3.4vw,2.15rem)}
h3{font-size:1.2rem}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 20px}
.section{padding:70px 0}
.mono{font-family:var(--mono);font-size:.82rem;letter-spacing:.02em}
.eyebrow{font-family:var(--mono);color:var(--amber-d);text-transform:uppercase;letter-spacing:.12em;font-size:.78rem;margin-bottom:.5rem}
.lead{font-size:1.1rem;color:var(--muted);max-width:64ch;margin-top:.6rem}
.skip-link{position:absolute;left:-999px;top:0;background:var(--espresso);color:#fff;padding:10px 16px;z-index:200}
.skip-link:focus{left:8px;top:8px}

/* header */
.demo-banner{background:repeating-linear-gradient(45deg,#efe0c6,#efe0c6 14px,#e8d5b4 14px,#e8d5b4 28px);color:#5c421e;font-size:.9rem;line-height:1.4;text-align:center;padding:9px 16px;border-bottom:1px solid #ddc79c}
.demo-banner .u{text-decoration:underline;font-weight:700}
.site-header{position:sticky;top:0;z-index:100;background:var(--espresso);color:#f3e9da;border-bottom:3px solid var(--amber)}
.nav-bar{max-width:var(--wrap);margin:0 auto}
.nav-inner{display:flex;align-items:center;gap:16px;padding:12px 20px}
.brand{display:flex;flex-direction:column;text-decoration:none;line-height:1.12}
.brand-name{font-weight:800;font-size:1.16rem;color:#fff;letter-spacing:.04em}
.brand-sub{font-family:var(--mono);font-size:.72rem;color:var(--amber-l);letter-spacing:.06em}
.nav-links{margin-left:auto;display:flex;gap:24px}
.nav-links a{color:#e7dccb;text-decoration:none;font-weight:600;font-size:.98rem}
.nav-links a:hover{color:var(--amber-l)}
.nav-call{display:inline-flex;align-items:center;gap:8px;background:var(--amber);color:#231a12;text-decoration:none;font-weight:700;padding:9px 15px;border-radius:6px;white-space:nowrap}
.nav-call:hover{background:var(--amber-l)}
.nav-call svg{width:19px;height:19px}
.nav-toggle{display:none;background:none;border:0;color:#fff;cursor:pointer;padding:6px}
.mobile-nav{display:none}

/* buttons */
.btn{display:inline-flex;align-items:center;gap:10px;font-weight:700;text-decoration:none;border-radius:6px;padding:14px 24px;font-size:1.02rem;border:2px solid transparent;cursor:pointer;transition:transform .08s ease}
.btn:active{transform:translateY(1px)}
.btn svg{width:21px;height:21px}
.btn-primary{background:var(--amber);color:#231a12}
.btn-primary:hover{background:var(--amber-l)}
.btn-ghost{background:transparent;color:#f3e9da;border-color:rgba(243,233,218,.4)}
.btn-ghost:hover{background:rgba(255,255,255,.08)}
.btn-outline{background:transparent;color:var(--espresso);border-color:var(--amber)}
.btn-outline:hover{background:var(--amber);color:#231a12}
.btn-dark{background:var(--espresso);color:#fff}
.btn-dark:hover{background:var(--espresso-2)}

/* hero */
.hero{background:var(--espresso);color:#f3e9da;position:relative;overflow:hidden}
.hero-inner{max-width:var(--wrap);margin:0 auto;padding:70px 20px 78px;display:grid;grid-template-columns:1.05fr .95fr;gap:44px;align-items:center}
.hero h1{color:#fff;max-width:14ch}
.hero .kicker{font-family:var(--mono);color:var(--amber-l);text-transform:uppercase;letter-spacing:.14em;font-size:.8rem;margin-bottom:16px}
.hero-lead{font-size:1.14rem;color:#e2d6c4;max-width:52ch;margin:16px 0 28px}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px}
.hero-diagram{background:var(--espresso-2);border:1px solid #4a3a2a;border-radius:12px;padding:22px}
.hero-diagram svg{width:100%;height:auto}
.hero-diagram figcaption{font-family:var(--mono);font-size:.74rem;color:var(--amber-l);margin-top:12px;text-align:center;letter-spacing:.03em}

/* spec strip */
.specs{background:var(--espresso-2);color:#e7dccb;border-top:1px solid #4a3a2a}
.specs .wrap{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;padding-top:26px;padding-bottom:26px}
.spec b{display:block;font-family:var(--mono);font-size:1.35rem;color:#fff}
.spec span{font-size:.86rem;color:var(--amber-l)}

/* explainer */
.explain .wrap{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:center}
.explain-list{list-style:none;margin-top:18px;display:grid;gap:14px}
.explain-list li{display:flex;gap:12px;align-items:flex-start}
.explain-list .num{font-family:var(--mono);font-weight:700;color:var(--amber-d);background:var(--cream-2);border:1px solid var(--line);border-radius:6px;width:30px;height:30px;display:flex;align-items:center;justify-content:center;flex:0 0 auto}
.card-figure{background:#fff;border:1px solid var(--line);border-radius:12px;padding:22px;box-shadow:var(--shadow-s)}
.card-figure svg{width:100%;height:auto}
.card-figure figcaption{font-family:var(--mono);font-size:.75rem;color:var(--muted);margin-top:12px;text-align:center}

/* profiles / product */
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin-top:34px}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px 22px;box-shadow:var(--shadow-s);transition:transform .12s ease,box-shadow .12s ease}
.card:hover{transform:translateY(-3px);box-shadow:var(--shadow)}
.card .ic{width:50px;height:50px;border-radius:8px;background:var(--cream-2);display:flex;align-items:center;justify-content:center;margin-bottom:14px}
.card .ic svg{width:26px;height:26px;color:var(--amber-d)}
.card p{color:var(--muted);font-size:.98rem;margin-top:6px}

.gallery{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:32px}
.gallery figure{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow-s)}
.gallery img{width:100%;aspect-ratio:4/3;object-fit:cover}
.gallery figcaption{font-size:.9rem;color:var(--muted);padding:12px 14px}
.gallery-note{margin-top:18px;font-size:.94rem;color:var(--muted);background:var(--cream-2);border:1px dashed var(--line);border-radius:8px;padding:14px 18px}

/* branchen */
.branchen{background:var(--espresso);color:#f3e9da}
.branchen h2{color:#fff}
.branchen .lead{color:#d8ccba}
.tags{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}
.tag{font-family:var(--mono);font-size:.86rem;background:var(--espresso-2);border:1px solid #4a3a2a;color:var(--amber-l);padding:9px 16px;border-radius:6px}

/* betrieb */
.betrieb .wrap{display:grid;grid-template-columns:.9fr 1.1fr;gap:44px;align-items:center}
.betrieb-photo{border-radius:12px;overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow)}
.betrieb-photo img{width:100%}
.betrieb-photo figcaption{font-size:.86rem;color:var(--muted);padding:10px 14px;background:#fff}
.betrieb ul{list-style:none;margin-top:18px;display:grid;gap:12px}
.betrieb li{display:flex;gap:12px;align-items:flex-start}
.betrieb li svg{width:22px;height:22px;color:var(--amber-d);flex:0 0 auto;margin-top:3px}

.ph-inline{font-family:var(--mono);font-weight:600;font-size:.78em;color:inherit;background:transparent;border:1px dashed currentColor;border-radius:4px;padding:0 5px;opacity:.8;white-space:normal;overflow-wrap:anywhere}

/* kontakt */
.kontakt .grid{display:grid;grid-template-columns:1fr 1fr;gap:30px;margin-top:34px}
.kontakt-card,.form-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:30px;box-shadow:var(--shadow-s)}
.kontakt-list{display:grid;gap:16px;margin:18px 0 22px}
.kontakt-row{display:flex;gap:14px;align-items:flex-start}
.kontakt-row .ic{width:42px;height:42px;border-radius:8px;background:var(--cream-2);display:flex;align-items:center;justify-content:center;flex:0 0 auto}
.kontakt-row .ic svg{width:22px;height:22px;color:var(--amber-d)}
.k-label{font-family:var(--mono);font-size:.72rem;text-transform:uppercase;letter-spacing:.06em;color:var(--muted)}
.k-val{color:var(--ink);text-decoration:none;font-weight:600}
a.k-val:hover{color:var(--amber-d)}
.map-btn{width:100%;justify-content:center;margin-top:4px}
.map-note{font-size:.83rem;color:var(--muted);margin-top:10px}
.form-toast{display:none;background:#f0e4cf;border:1px solid #d8bd8e;border-radius:8px;padding:14px 16px;font-size:.94rem;color:#5c421e;margin-bottom:18px}
.form-toast.show{display:block}
.form-intro{color:var(--muted);font-size:1rem;margin-bottom:16px}
.demo-form{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.field{display:flex;flex-direction:column;gap:6px}
.field.full{grid-column:1/-1}
.field label{font-weight:600;font-size:.94rem}
.field input,.field textarea{font:inherit;font-size:1rem;padding:12px 14px;border:1px solid var(--line);border-radius:6px;background:var(--cream)}
.field input:focus,.field textarea:focus{outline:2px solid var(--amber);border-color:var(--amber)}
.consent{grid-column:1/-1;display:flex;gap:10px;align-items:flex-start;font-size:.9rem;color:var(--muted)}
.consent input{margin-top:5px}

/* footer */
.site-footer{background:#1f170f;color:#c7bba9}
.footer-top{max-width:var(--wrap);margin:0 auto;padding:52px 20px 30px;display:grid;grid-template-columns:2fr 1fr 1fr;gap:36px}
.site-footer .brand-name{color:#fff}
.site-footer .brand-sub{color:var(--amber-l)}
.site-footer .about{margin-top:12px;font-size:.94rem;color:#a99a86;max-width:46ch}
.footer-col h4{color:#fff;font-size:1rem;margin-bottom:12px}
.footer-col ul{list-style:none;display:grid;gap:8px}
.footer-col a{color:#c7bba9;text-decoration:none}
.footer-col a:hover{color:#fff}
.site-footer address{font-style:normal;line-height:1.8}
.site-footer address a{color:#c7bba9;text-decoration:none}
.footer-bottom{border-top:1px solid rgba(255,255,255,.1)}
.footer-bottom .inner{max-width:var(--wrap);margin:0 auto;padding:18px 20px;display:flex;flex-wrap:wrap;gap:10px 18px;justify-content:space-between;align-items:center;font-size:.86rem}
.demo-line{color:#a99a86}
.footer-bottom .links{display:flex;flex-wrap:wrap;gap:14px;align-items:center}
.footer-bottom .links a{color:#e7dccb;text-decoration:none}
.footer-bottom .dot{color:#6b5c48}

.call-fab{display:none}

/* legal */
.legal{max-width:820px;margin:0 auto;padding:52px 20px 70px}
.legal-hint{background:#f0e4cf;border:1px solid #d8bd8e;border-radius:8px;padding:16px 18px;color:#5c421e;font-size:.96rem;margin-bottom:26px}
.legal h1{margin-bottom:20px}
.legal section{margin-top:24px}
.legal h2{font-size:1.15rem;margin-bottom:8px}

/* reveal */
.reveal{transition:opacity .6s ease,transform .6s ease}
.js .reveal{opacity:0;transform:translateY(18px)}
.js .reveal.is-visible{opacity:1;transform:none}
.reveal.d1{transition-delay:.08s}
.reveal.d2{transition-delay:.16s}
@media (prefers-reduced-motion:reduce){.js .reveal{opacity:1;transform:none;transition:none}html{scroll-behavior:auto}}

/* responsive */
@media (max-width:900px){
  .hero-inner,.explain .wrap,.betrieb .wrap,.kontakt .grid{grid-template-columns:1fr}
  .specs .wrap{grid-template-columns:1fr 1fr}
  .cards,.gallery{grid-template-columns:1fr 1fr}
  .footer-top{grid-template-columns:1fr 1fr}
}
@media (max-width:720px){
  .nav-links,.nav-call{display:none}
  .nav-toggle{display:block;margin-left:auto}
  .mobile-nav{display:block;max-height:0;overflow:hidden;transition:max-height .3s ease;background:var(--espresso-2);border-top:1px solid #4a3a2a}
  .mobile-nav.open{max-height:420px}
  .mobile-nav nav{display:flex;flex-direction:column;padding:8px 20px 16px}
  .mobile-nav a{padding:13px 0;text-decoration:none;color:#e7dccb;font-weight:600;border-bottom:1px solid #4a3a2a}
  .mobile-nav .mobile-call{color:var(--amber-l)}
  .cards,.gallery,.demo-form,.footer-top{grid-template-columns:1fr}
  .section{padding:52px 0}
  body{padding-bottom:78px}
  .call-fab{display:flex;position:fixed;left:14px;right:14px;bottom:14px;z-index:90;justify-content:center;gap:10px;background:var(--amber);color:#231a12;text-decoration:none;font-weight:800;padding:15px;border-radius:10px;box-shadow:0 8px 24px rgba(0,0,0,.3)}
  .call-fab svg{width:21px;height:21px}
}

/* Review-Fix: Mobil-Overflow-Absicherung + lange Tokens umbrechen */
html,body{overflow-x:clip}
.k-val{overflow-wrap:anywhere}