/* Knebel Nutzfahrzeuge GmbH – style.css */
:root{
  --paper:#eeeae0; --sand:#ddd6c5; --ink:#1d1c1a; --mute:#66625a; --line:#c9c1ae;
  --green:#1f5a43; --green-d:#173f30; --tint:#bcd5c4; --error:#9c2a1c;
  --head:"Bricolage Grotesque",system-ui,-apple-system,"Segoe UI",sans-serif;
  --body:"Newsreader",Georgia,"Times New Roman",serif;
  --wrap:1240px; --gap:clamp(1.5rem,4vw,3rem); --sec:clamp(4.5rem,10vw,8.5rem);
}
*,*::before,*::after{box-sizing:border-box}
*{margin:0}
html{scroll-behavior:smooth;scroll-padding-top:76px}
body{font:400 1.1875rem/1.7 var(--body);color:var(--ink);background:var(--paper);-webkit-font-smoothing:antialiased}
body.lock{overflow:hidden}
svg{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
ul,ol{list-style:none;padding:0}
:focus-visible{outline:2px solid var(--green);outline-offset:3px}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 var(--gap)}
.skip{position:absolute;left:-999px;top:0;background:var(--ink);color:var(--paper);padding:.6rem 1rem;z-index:100}
.skip:focus{left:0}
h1,h2,h3,h4,.btn,.link,label,dt,.logo,nav a{font-family:var(--head)}
h1,h2,h3{font-weight:600;letter-spacing:-.025em;line-height:1.04}
h1{font-size:clamp(2.9rem,7.4vw,6.4rem);font-weight:700;letter-spacing:-.04em}
h2{font-size:clamp(2rem,4.4vw,3.6rem)}
h3{font-size:1.4rem;line-height:1.2;letter-spacing:-.015em}

/* Buttons and links */
.btn{display:inline-block;padding:1rem 1.8rem;background:var(--ink);color:var(--paper);border:1px solid var(--ink);font-weight:600;font-size:.95rem;cursor:pointer;transition:background .25s,border-color .25s,color .25s}
.btn:hover{background:var(--green);border-color:var(--green)}
.btn-sm{padding:.55rem 1.1rem;font-size:.85rem;background:transparent;color:var(--ink)}
.btn-sm:hover{color:var(--paper)}
.link{font-weight:600;font-size:.95rem;background:linear-gradient(currentColor,currentColor) 0 100%/100% 1px no-repeat;padding-bottom:.2rem;transition:background-size .3s,color .3s}
.link:hover{color:var(--green);background-size:0 1px;background-position:100% 100%}

/* Header */
.hdr{position:fixed;inset:0 0 auto 0;z-index:50;padding:1.5rem 0;transition:padding .3s,background .3s,border-color .3s;border-bottom:1px solid transparent}
.hdr.scrolled{padding:.7rem 0;background:var(--paper);border-color:var(--line)}
.hdr-in{display:flex;align-items:center;justify-content:space-between;gap:2rem}
.logo{display:flex;flex-direction:column;line-height:1}
.logo b{font-size:1.5rem;font-weight:700;letter-spacing:-.04em}
.logo span{font-size:.7rem;color:var(--mute);margin-top:.2rem;letter-spacing:.02em}
nav{display:flex;align-items:center;gap:2.2rem}
nav ul{display:flex;gap:1.8rem}
nav ul a{font-size:.92rem;font-weight:500;position:relative;padding:.3rem 0}
nav ul a::after{content:"";position:absolute;left:0;bottom:0;width:100%;height:1px;background:var(--green);transform:scaleX(0);transform-origin:left;transition:transform .3s}
nav ul a:hover::after{transform:scaleX(1)}
.burger{display:none;width:44px;height:44px;background:none;border:0;cursor:pointer;position:relative}
.burger i{position:absolute;left:10px;right:10px;height:2px;background:var(--ink);transition:transform .3s,top .3s}
.burger i:first-child{top:16px}.burger i:last-child{top:26px}
.burger[aria-expanded="true"] i:first-child{top:21px;transform:rotate(45deg)}
.burger[aria-expanded="true"] i:last-child{top:21px;transform:rotate(-45deg)}

/* Hero */
.hero{padding:clamp(7.5rem,16vh,10rem) 0 clamp(3rem,7vw,6rem)}
.hero-grid{display:grid;grid-template-columns:1.25fr .75fr;gap:clamp(2rem,6vw,5rem);align-items:end}
.lead{max-width:33rem;margin:2rem 0;font-size:1.3rem;color:var(--mute)}
.cta{display:flex;flex-wrap:wrap;align-items:center;gap:1.8rem}
.hero-meta{display:flex;flex-wrap:wrap;gap:.4rem 2rem;margin-top:3.5rem;padding-top:1.1rem;border-top:1px solid var(--line);font-style:normal;font-size:1rem;color:var(--mute)}
.hero-meta a:hover{color:var(--green)}
.hero-text>*{animation:rise .8s both}
.hero-text>:nth-child(2){animation-delay:.1s}.hero-text>:nth-child(3){animation-delay:.2s}.hero-text>:nth-child(4){animation-delay:.3s}
@keyframes rise{from{opacity:0;transform:translateY(16px)}}
.art{position:relative;width:100%;max-width:440px;aspect-ratio:4/5;margin-left:auto}
.a1{position:absolute;inset:0 0 15% 22%;background:var(--green);border-radius:999px 999px 0 0}
.a1::after{content:"";position:absolute;inset:14% 18% 0;border:1px solid rgba(238,234,224,.45);border-bottom:0;border-radius:999px 999px 0 0}
.a2{position:absolute;left:0;bottom:0;width:50%;aspect-ratio:1;background:var(--ink);color:var(--paper);padding:1.1rem;display:flex;align-items:flex-end}
.a2 p{font:400 .92rem/1.4 var(--head)}
.a3{position:absolute;right:-5%;top:9%;width:23%;aspect-ratio:1;border:1px solid var(--ink);border-radius:50%;background:var(--paper)}

/* About */
.about{padding:var(--sec) 0}
.about-grid{display:grid;grid-template-columns:repeat(12,1fr);column-gap:var(--gap);row-gap:3rem}
.about h2{grid-column:1/10}
.about-vis{grid-column:1/6;position:relative}
.curtain{aspect-ratio:3/4;background:repeating-linear-gradient(90deg,var(--sand) 0 26px,#d1c9b5 26px 52px)}
.about-vis figcaption{font-size:.82rem;color:var(--mute);margin-top:.6rem}
.about-vis blockquote{position:absolute;left:40%;right:-45%;bottom:12%;background:var(--green);color:var(--paper);padding:1.6rem;font:600 1.25rem/1.3 var(--head);letter-spacing:-.01em}
.about-txt{grid-column:8/13;align-self:end}
.about-txt p+p{margin-top:1.2rem}
.facts{display:grid;grid-template-columns:repeat(3,1fr);margin-top:2.5rem;border-top:1px solid var(--ink)}
.facts div{padding-top:1rem}
.facts dt{font-size:1.7rem;font-weight:700;letter-spacing:-.03em;line-height:1.1}
.facts dd{font-size:.9rem;color:var(--mute)}

/* Services */
.services{padding:0 0 var(--sec)}
.sec-head{display:grid;grid-template-columns:1fr 1fr;gap:var(--gap);align-items:end;margin-bottom:3.5rem}
.sec-head p{color:var(--mute);max-width:28rem}
.svc-grid{display:grid;grid-template-columns:5fr 7fr;gap:clamp(2rem,6vw,5rem);align-items:start}
.svc-feature{border:1px solid var(--ink);padding:clamp(1.5rem,3vw,2.5rem);position:sticky;top:6rem}
.svc-feature h3{font-size:clamp(1.8rem,3vw,2.5rem);margin:1.5rem 0 1rem}
.svc-feature p{color:var(--mute)}
.feature-vis{display:grid;grid-template-columns:2fr 1fr;grid-template-rows:60px 60px;gap:6px;margin-top:2rem}
.feature-vis span{background:var(--sand)}
.feature-vis span:first-child{grid-row:1/3}
.feature-vis span:last-child{background:var(--green)}
.ico{width:34px;height:34px;fill:none;stroke:var(--green);stroke-width:1.4;stroke-linecap:square;stroke-linejoin:miter;flex:none}
.svc-rows li{display:flex;gap:1.5rem;padding:1.8rem 0;border-top:1px solid var(--line);transition:padding .3s,background .3s}
.svc-rows li:last-child{border-bottom:1px solid var(--line)}
.svc-rows li:hover{padding-left:1rem;background:var(--sand)}
.svc-rows h3{margin-bottom:.4rem}
.svc-rows p{color:var(--mute);font-size:1.08rem;max-width:34rem}

/* Why */
.why{background:var(--green-d);color:var(--paper);padding:var(--sec) 0}
.why-grid{display:grid;grid-template-columns:4fr 8fr;gap:var(--gap)}
.why h2{align-self:start;position:sticky;top:6rem}
.ben{display:grid;grid-template-columns:1fr 1fr;column-gap:var(--gap)}
.ben li{border-top:1px solid rgba(238,234,224,.28);padding:1.4rem 0 3rem}
.ben li:nth-child(even){margin-top:4rem}
.n{display:block;font:700 clamp(3.2rem,6vw,5.2rem)/1 var(--head);letter-spacing:-.05em;color:var(--tint);margin-bottom:1.4rem}
.ben h3{margin-bottom:.6rem}
.ben p{color:#d6dccf;font-size:1.08rem}

/* Contact */
.contact{padding:var(--sec) 0}
.contact-grid{display:grid;grid-template-columns:5fr 7fr;gap:clamp(2rem,7vw,6rem)}
.info p{margin:1.5rem 0 2.5rem;color:var(--mute)}
.info dl div{padding:1rem 0;border-top:1px solid var(--line)}
dt{font-size:.82rem;font-weight:600;color:var(--green);margin-bottom:.2rem}
dd{font-size:1.2rem}
.info a:hover{color:var(--green)}
.row{display:grid;grid-template-columns:1fr 1fr;column-gap:2rem}
.field{margin-bottom:.9rem}
label{display:block;font-size:.85rem;font-weight:600;margin-bottom:.2rem}
input,textarea{width:100%;font:inherit;color:inherit;background:transparent;border:0;border-bottom:1px solid var(--ink);border-radius:0;padding:.55rem 0;transition:border-color .2s,box-shadow .2s}
textarea{resize:vertical}
input:focus,textarea:focus{outline:0;border-color:var(--green);box-shadow:0 1px 0 var(--green)}
[aria-invalid="true"]{border-color:var(--error)}
.err{display:block;min-height:1.4em;font:400 .85rem/1.4 var(--head);color:var(--error);margin-top:.2rem}
#form-status{display:none;margin-top:1.4rem;padding:1rem 1.2rem;border-left:3px solid;font-size:1.02rem}
#form-status.ok{display:block;border-color:var(--green);background:#dfe7dc}
#form-status.bad{display:block;border-color:var(--error);background:#efdcd6}

/* Footer */
.ftr{background:var(--sand);padding-top:clamp(3rem,6vw,5rem)}
.ftr-grid{display:grid;grid-template-columns:2fr 1fr 1.3fr 1fr;gap:var(--gap)}
.ftr p,.ftr address,.ftr li{font-size:1rem;font-style:normal}
.ftr-about p{max-width:22rem;margin-top:1rem;color:var(--mute)}
.ftr h4{font-size:.85rem;margin-bottom:.8rem;color:var(--green)}
.ftr li{margin-bottom:.35rem}
.ftr a:hover{color:var(--green)}
.ftr-base{margin-top:3rem;padding-top:1.2rem;padding-bottom:1.5rem;border-top:1px solid var(--line)}
.ftr-base p{font-size:.88rem;color:var(--mute)}

/* Reveal on scroll */
.js .reveal{opacity:0;transform:translateY(14px);transition:opacity .6s ease,transform .6s ease}
.js .reveal.in{opacity:1;transform:none}

/* Responsive */
@media (max-width:980px){
  .hero-grid,.svc-grid,.why-grid,.contact-grid,.sec-head{grid-template-columns:1fr}
  .art{margin:1rem 0 0;max-width:380px}
  .about h2,.about-vis,.about-txt{grid-column:1/-1}
  .about-vis{max-width:420px;margin-bottom:3.5rem}
  .about-vis blockquote{left:30%;right:-10%;bottom:-2rem}
  .svc-feature,.why h2{position:static}
  .ftr-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:860px){
  .burger{display:block}
  nav{position:fixed;top:0;right:0;bottom:0;width:min(320px,86%);flex-direction:column;align-items:flex-start;justify-content:center;gap:2rem;padding:2rem;background:var(--paper);border-left:1px solid var(--line);transform:translateX(100%);visibility:hidden;transition:transform .35s,visibility .35s}
  nav.open{transform:none;visibility:visible}
  nav ul{flex-direction:column;gap:1.2rem}
  nav ul a{font-size:1.5rem}
  .burger{position:relative;z-index:60}
}
@media (max-width:620px){
  .row,.ben,.ftr-grid{grid-template-columns:1fr}
  .ben li:nth-child(even){margin-top:0}
  .facts{grid-template-columns:1fr 1fr 1fr;gap:.5rem}
  .svc-rows li{gap:1rem}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation:none!important;transition:none!important}
  .js .reveal{opacity:1;transform:none}
}