/* GDR – Green Deal Recycling GmbH */
:root{
  --paper:#E9E7E0; --ink:#181A18; --muted:#5D635F; --green:#1F4D37; --kraft:#B8946A;
  --line:rgba(24,26,24,.2); --err:#9B2C1F;
  --pad:clamp(20px,5vw,72px); --max:1240px;
  --display:"Bricolage Grotesque","Helvetica Neue",Arial,sans-serif;
  --body:"Instrument Sans",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;scroll-padding-top:72px}
body{font:400 1.0625rem/1.65 var(--body);color:var(--ink);background:var(--paper);-webkit-font-smoothing:antialiased}
svg{display:block;max-width:100%}
a{color:inherit}
ul{list-style:none}
:focus-visible{outline:2px solid var(--green);outline-offset:3px}
h1,h2,h3{font-family:var(--display);font-weight:700;line-height:1.04;letter-spacing:-.025em}
h1{font-size:clamp(2.8rem,7vw,6rem)}
h2{font-size:clamp(2rem,4.6vw,3.8rem)}
h3{font-size:1.4rem;letter-spacing:-.01em}
p{max-width:62ch}
header,section,footer{padding-inline:max(var(--pad),calc((100% - var(--max))/2))}
section{padding-block:clamp(72px,10vw,140px)}

/* Buttons and links */
.btn{display:inline-block;background:var(--green);color:#fff;border:1px solid var(--green);padding:.9em 1.6em;font:500 1rem var(--body);text-decoration:none;cursor:pointer;transition:background .2s,color .2s}
.btn:hover{background:transparent;color:var(--green)}
.btn-sm{padding:.55em 1.1em;font-size:.92rem}
.link{background:linear-gradient(currentColor,currentColor) 0 100%/100% 1px no-repeat;text-decoration:none;padding-bottom:2px;transition:background-size .25s,color .2s}
.link:hover{background-size:0 1px;color:var(--green)}

/* Header */
.site-header{position:fixed;top:0;left:0;right:0;z-index:20;display:flex;align-items:center;gap:28px;padding-block:20px;transition:background .3s,padding .3s,border-color .3s;border-bottom:1px solid transparent}
.site-header.scrolled,.site-header.menu-open{background:var(--paper);border-color:var(--line);padding-block:11px}
.logo{display:flex;align-items:center;gap:12px;text-decoration:none}
.logo b{font:700 1.7rem/1 var(--display);letter-spacing:-.03em}
.logo span{font-size:.72rem;line-height:1.15;color:var(--muted);padding-left:12px;border-left:1px solid var(--line)}
.nav{display:flex;gap:28px;margin-left:auto}
.nav a{font-size:.95rem;text-decoration:none;padding-bottom:2px;background:linear-gradient(var(--green),var(--green)) 0 100%/0 1px no-repeat;transition:background-size .25s}
.nav a:hover{background-size:100% 1px}
.burger{display:none;width:40px;height:40px;background:none;border:0;cursor:pointer;flex-direction:column;justify-content:center;align-items:center;gap:6px;margin-left:auto}
.burger i{width:22px;height:2px;background:var(--ink);transition:transform .25s}
.menu-open .burger i:first-child{transform:translateY(4px) rotate(45deg)}
.menu-open .burger i:last-child{transform:translateY(-4px) rotate(-45deg)}

/* Hero */
.hero{min-height:100svh;display:grid;grid-template-columns:7fr 5fr;gap:clamp(24px,6vw,96px);align-items:end;padding-top:130px;padding-bottom:56px}
.tag{font-size:.9rem;color:var(--muted);display:flex;align-items:center;gap:12px;margin-bottom:28px}
.tag::before{content:"";width:32px;height:1px;background:var(--green)}
.lead{font-size:1.2rem;color:var(--muted);margin-top:32px;max-width:36em}
.actions{display:flex;flex-wrap:wrap;align-items:center;gap:20px 32px;margin-top:40px}
.hero-art{position:relative}
.hero-art svg{width:100%;height:auto}
.lbl text{font:500 13px var(--body)}
.hero-note{position:absolute;left:-56px;bottom:28px;max-width:230px;background:var(--ink);color:var(--paper);padding:16px 20px;font-size:.9rem;line-height:1.45}

/* About */
.about h2{max-width:15ch}
.about-grid{display:grid;grid-template-columns:5fr 6fr;gap:clamp(40px,8vw,120px);margin-top:64px}
.about-visual{position:relative;margin-bottom:48px}
.ph{aspect-ratio:4/5;background:
  linear-gradient(var(--green),var(--green)) 38% 62%/54% 48% no-repeat,
  repeating-linear-gradient(90deg,transparent 0 52px,rgba(24,26,24,.16) 52px 54px),var(--kraft)}
.statement{position:absolute;left:24px;right:-56px;bottom:-48px;background:var(--paper);border:1px solid var(--ink);padding:22px 26px;font:500 1.2rem/1.35 var(--display)}
.about-copy{padding-top:clamp(0px,6vw,88px)}
.about-copy p+p{margin-top:20px;color:var(--muted)}
.facts{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:48px;border-top:1px solid var(--ink);padding-top:20px}
.facts dt{font-size:.85rem;color:var(--muted)}
.facts dd{font:700 1.25rem/1.2 var(--display);margin-top:4px}

/* Services */
.services{border-top:1px solid var(--line)}
.svc-head{display:grid;grid-template-columns:7fr 4fr;gap:40px;align-items:end;margin-bottom:64px}
.svc-head p{color:var(--muted)}
.svc-wrap{display:grid;grid-template-columns:5fr 6fr;gap:clamp(32px,6vw,96px);align-items:start}
.svc-main{background:var(--kraft);padding:clamp(28px,4vw,48px);min-height:420px;display:flex;flex-direction:column;justify-content:flex-end}
.svc-main .ico{width:56px;height:56px;margin-bottom:auto}
.svc-main h3{font-size:clamp(1.8rem,3vw,2.4rem);margin:48px 0 14px}
.svc-list{border-top:1px solid var(--ink)}
.svc-list li{display:flex;gap:24px;padding:28px 0;border-bottom:1px solid var(--line);transition:padding-left .3s}
.svc-list li:hover{padding-left:14px}
.svc-list .ico{width:34px;height:34px;flex:none;margin-top:4px;color:var(--green)}
.svc-list p{color:var(--muted);margin-top:6px}
.ico{fill:none;stroke:currentColor;stroke-width:1.5;stroke-linecap:round;stroke-linejoin:round}

/* Approach */
.approach{background:var(--green);color:var(--paper)}
.ben{display:grid;grid-template-columns:1fr 1fr;gap:0 clamp(32px,8vw,120px);margin-top:72px;padding-bottom:56px}
.ben li{border-top:1px solid rgba(233,231,224,.35);padding:20px 0 48px}
.ben li:nth-child(even){margin-top:56px}
.num{display:block;font:700 clamp(4rem,9vw,7.5rem)/1 var(--display);letter-spacing:-.04em;color:var(--kraft);margin-bottom:20px}
.ben h3{margin-bottom:10px}
.ben p{color:rgba(233,231,224,.8)}

/* Contact */
.contact{display:grid;grid-template-columns:5fr 6fr;gap:clamp(40px,8vw,120px)}
.contact-info p{margin-top:24px;color:var(--muted)}
address{font-style:normal;margin-top:48px;padding-top:20px;border-top:1px solid var(--ink)}
address strong{display:block;font:700 1.2rem var(--display);margin-bottom:6px}
.mail{display:inline-block;margin-top:18px;font:700 clamp(1.3rem,2.4vw,1.8rem) var(--display);text-decoration:none;border-bottom:2px solid var(--green);transition:color .2s}
.mail:hover{color:var(--green)}
.form{display:grid;gap:22px}
.row{display:grid;grid-template-columns:1fr 1fr;gap:22px}
.field{display:flex;flex-direction:column;gap:6px}
label{font-size:.9rem;font-weight:500}
input,textarea{font:inherit;color:inherit;background:transparent;border:1px solid var(--ink);border-radius:0;padding:12px 14px;width:100%;transition:border-color .2s,background .2s}
textarea{resize:vertical}
input:focus,textarea:focus{outline:none;border-color:var(--green);background:rgba(255,255,255,.45);box-shadow:inset 0 -2px 0 var(--green)}
.invalid input,.invalid textarea{border-color:var(--err)}
.err{color:var(--err);font-size:.85rem;min-height:1.2em}
.form .btn{justify-self:start}
.status{font-size:.95rem}
.status.ok{color:var(--green)}
.status.error{color:var(--err)}

/* Footer */
.site-footer{background:var(--ink);color:var(--paper);padding-block:72px 32px}
.foot-grid{display:grid;grid-template-columns:2fr 1fr 1.4fr 1fr;gap:40px}
.foot-name{font:700 1.3rem var(--display)}
.foot-desc{margin-top:12px;color:rgba(233,231,224,.7);font-size:.95rem}
.site-footer nav{display:flex;flex-direction:column;gap:8px}
.site-footer a{text-decoration:none;font-size:.95rem;color:rgba(233,231,224,.85);transition:color .2s}
.site-footer a:hover{color:var(--kraft)}
.foot-contact{font-size:.95rem;color:rgba(233,231,224,.85)}
.copy{margin-top:64px;padding-top:20px;border-top:1px solid rgba(233,231,224,.2);font-size:.85rem;color:rgba(233,231,224,.6);max-width:none}

/* 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:900px){
  .burger{display:flex}
  .site-header .btn{display:none}
  .nav{position:absolute;top:100%;left:0;right:0;flex-direction:column;gap:0;background:var(--paper);border-bottom:1px solid var(--line);padding:6px var(--pad) 18px;visibility:hidden;opacity:0;transform:translateY(-8px);transition:opacity .25s,transform .25s,visibility .25s}
  .nav.open{visibility:visible;opacity:1;transform:none}
  .nav a{padding:14px 0;border-top:1px solid var(--line);font-size:1.1rem;background:none}
  .hero{grid-template-columns:1fr;min-height:0;padding-top:120px}
  .hero-art{max-width:460px}
  .hero-note{left:12px}
  .about-grid,.svc-wrap,.contact{grid-template-columns:1fr}
  .about-copy{padding-top:0}
  .about-visual{max-width:440px}
  .statement{right:-16px}
  .svc-head{grid-template-columns:1fr;gap:20px;margin-bottom:40px}
  .svc-main{min-height:300px}
  .ben{grid-template-columns:1fr}
  .ben li:nth-child(even){margin-top:0}
  .foot-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:560px){
  .row,.facts{grid-template-columns:1fr}
  .logo span{display:none}
  .foot-grid{grid-template-columns:1fr}
  .statement{left:12px}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *{transition:none!important}
  .js .reveal{opacity:1;transform:none}
}