/* Rheinor GmbH — shared styles. No external fonts or trackers (DSGVO-safe). */
:root{
  --bg:#ffffff;
  --panel:#f6f8fa;
  --ink:#131820;
  --muted:#5a6673;
  --line:#e3e8ee;
  --brand:#0f3d5c;
  --brand-ink:#ffffff;
  --accent:#b1873f;
  --max:1120px;
  --radius:10px;
}
@media (prefers-color-scheme: dark){
  :root{
    --bg:#0e1319; --panel:#151c24; --ink:#e9eef4; --muted:#9aa7b4;
    --line:#242e39; --brand:#7fb3d5; --brand-ink:#0e1319; --accent:#d5ab63;
  }
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0; background:var(--bg); color:var(--ink);
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
  font-size:17px; line-height:1.65; -webkit-font-smoothing:antialiased;
}
.wrap{max-width:var(--max); margin:0 auto; padding:0 24px}
a{color:inherit}
h1,h2,h3{line-height:1.2; letter-spacing:-0.02em; margin:0 0 .5em}
h1{font-size:clamp(2rem,5vw,3.1rem); font-weight:700}
h2{font-size:clamp(1.5rem,3vw,2rem); font-weight:650}
h3{font-size:1.08rem; font-weight:650}
p{margin:0 0 1em}
.muted{color:var(--muted)}
.lede{font-size:1.15rem; color:var(--muted); max-width:62ch}

/* header */
header.site{position:sticky; top:0; z-index:50; background:color-mix(in srgb,var(--bg) 88%,transparent);
  backdrop-filter:saturate(180%) blur(10px); border-bottom:1px solid var(--line)}
.bar{display:flex; align-items:center; gap:20px; height:68px}
.logo{display:flex; align-items:center; gap:10px; text-decoration:none; font-weight:700; letter-spacing:.14em; font-size:.95rem}
.logo .mark{width:26px;height:26px;flex:0 0 26px}
nav.main{margin-left:auto; display:flex; align-items:center; gap:26px}
nav.main a{text-decoration:none; color:var(--muted); font-size:.93rem}
nav.main a:hover{color:var(--ink)}
.btn{display:inline-block; padding:10px 18px; border-radius:var(--radius); text-decoration:none; font-size:.93rem; font-weight:600; border:1px solid transparent}
.btn.primary{background:var(--brand); color:var(--brand-ink)}
.btn.ghost{border-color:var(--line); color:var(--ink)}
.btn:hover{opacity:.9}
.menu-toggle{display:none; margin-left:auto; background:none; border:1px solid var(--line); border-radius:8px; color:var(--ink); font-size:1.1rem; padding:6px 12px; cursor:pointer}

/* sections */
section{padding:84px 0; border-bottom:1px solid var(--line)}
section:last-of-type{border-bottom:0}
.eyebrow{text-transform:uppercase; letter-spacing:.16em; font-size:.74rem; font-weight:700; color:var(--accent); margin-bottom:14px}
.hero{padding:96px 0 72px}
.hero h1{max-width:18ch}
.cta-row{display:flex; gap:12px; flex-wrap:wrap; margin-top:28px}

.facts{display:flex; flex-wrap:wrap; gap:0; border:1px solid var(--line); border-radius:var(--radius); overflow:hidden; margin-top:44px}
.facts div{flex:1 1 190px; padding:18px 20px; border-right:1px solid var(--line); background:var(--panel)}
.facts div:last-child{border-right:0}
.facts b{display:block; font-size:.95rem}
.facts span{font-size:.82rem; color:var(--muted)}

.grid{display:grid; gap:22px; grid-template-columns:repeat(auto-fit,minmax(270px,1fr))}
.card{border:1px solid var(--line); border-radius:var(--radius); padding:26px; background:var(--panel)}
.card p:last-child{margin-bottom:0}
.card .num{font-size:.78rem; font-weight:700; color:var(--accent); letter-spacing:.12em}

ul.clean{list-style:none; padding:0; margin:0; display:grid; gap:10px; grid-template-columns:repeat(auto-fit,minmax(240px,1fr))}
ul.clean li{padding:14px 16px; border:1px solid var(--line); border-radius:8px; font-size:.95rem}
ul.check{list-style:none; padding:0; margin:0}
ul.check li{padding-left:26px; position:relative; margin-bottom:10px; color:var(--muted)}
ul.check li::before{content:"—"; position:absolute; left:0; color:var(--accent); font-weight:700}

.split{display:grid; gap:48px; grid-template-columns:1fr 1fr; align-items:start}
.contact-box{border:1px solid var(--line); border-radius:var(--radius); padding:28px; background:var(--panel)}
.contact-box a{color:var(--brand); font-weight:600}

/* legal pages */
.legal{padding:56px 0 80px; max-width:760px}
.legal h2{margin-top:2em; font-size:1.3rem}
.legal dl{margin:0 0 1.5em}
.legal dt{font-weight:650; margin-top:1em}
.legal dd{margin:0; color:var(--muted)}
.notice{border-left:3px solid var(--accent); background:var(--panel); padding:14px 18px; border-radius:0 8px 8px 0; font-size:.92rem}

footer.site{padding:40px 0; background:var(--panel); border-top:1px solid var(--line); font-size:.88rem; color:var(--muted)}
footer.site .row{display:flex; flex-wrap:wrap; gap:18px; align-items:center}
footer.site a{color:var(--muted); text-decoration:none}
footer.site a:hover{color:var(--ink)}
footer.site .spacer{margin-left:auto}

@media (max-width:820px){
  .split{grid-template-columns:1fr; gap:32px}
  nav.main{display:none; position:absolute; top:68px; left:0; right:0; flex-direction:column; align-items:flex-start;
    gap:0; background:var(--bg); border-bottom:1px solid var(--line); padding:8px 24px 18px}
  nav.main.open{display:flex}
  nav.main a{padding:11px 0; width:100%}
  .menu-toggle{display:block}
  section{padding:60px 0}
  .facts div{border-right:0; border-bottom:1px solid var(--line)}
}

/* ---- commodity site additions ---- */
.btn.wa{background:#25d366; color:#06281a; display:inline-flex; align-items:center; gap:8px}
.btn.wa svg{flex:0 0 17px}

/* numbered steps */
.steps{display:grid; gap:18px; grid-template-columns:repeat(auto-fit,minmax(320px,1fr)); margin-top:34px}
.step{display:flex; gap:16px; align-items:flex-start; padding:22px; border:1px solid var(--line); border-radius:var(--radius); background:var(--panel)}
.step .n{flex:0 0 32px; height:32px; border-radius:50%; background:var(--brand); color:var(--brand-ink);
  display:flex; align-items:center; justify-content:center; font-weight:700; font-size:.9rem}
.step h3{margin-bottom:.3em}
.step p{margin:0; color:var(--muted); font-size:.95rem}

/* definition lists for trade terms */
dl.terms{margin:0}
dl.terms dt{font-weight:650; font-size:.95rem; margin-top:1.2em}
dl.terms dt:first-child{margin-top:0}
dl.terms dd{margin:.25em 0 0; color:var(--muted); font-size:.95rem}

/* contact */
.contact-grid{display:grid; gap:36px; grid-template-columns:1.35fr 1fr; align-items:start; margin-top:38px}
.form label{display:block; font-size:.88rem; font-weight:600; margin-bottom:16px}
.form .req{color:var(--accent)}
.form input[type=text], .form input[type=email], .form input[type=tel], .form textarea{
  display:block; width:100%; margin-top:6px; padding:11px 13px; font:inherit; font-size:.95rem; font-weight:400;
  color:var(--ink); background:var(--bg); border:1px solid var(--line); border-radius:8px}
.form input:focus, .form textarea:focus{outline:2px solid var(--brand); outline-offset:1px; border-color:transparent}
.form textarea{resize:vertical; min-height:120px}
.row2{display:grid; gap:0 16px; grid-template-columns:1fr 1fr}
.hp{position:absolute; left:-9999px; opacity:0; height:0; width:0}
.consent{display:flex; gap:10px; align-items:flex-start; font-weight:400; font-size:.86rem; color:var(--muted); margin:6px 0 20px}
.consent input{margin-top:3px; flex:0 0 auto}
.consent a{color:var(--brand)}
.form button{cursor:pointer; font:inherit; font-weight:600; padding:12px 26px}
.form button[disabled]{opacity:.55; cursor:default}
.form-msg{margin:14px 0 0; font-size:.92rem; min-height:1.2em}
.form-msg.ok{color:#1a7f4b; font-weight:600}
.form-msg.err{color:#c0392b; font-weight:600}

.contact-box .ct{display:flex; gap:10px; margin-bottom:.5em; font-size:.95rem}
.contact-box .ct span{flex:0 0 92px; color:var(--muted); font-size:.85rem; padding-top:2px}
.contact-box hr{border:0; border-top:1px solid var(--line); margin:22px 0}

/* floating whatsapp */
.wa-float{position:fixed; right:20px; bottom:20px; z-index:80; width:54px; height:54px; border-radius:50%;
  background:#25d366; color:#06281a; display:flex; align-items:center; justify-content:center;
  box-shadow:0 6px 20px rgba(0,0,0,.28); text-decoration:none}
.wa-float:hover{transform:translateY(-2px)}

@media (max-width:880px){
  .contact-grid{grid-template-columns:1fr}
}
@media (max-width:560px){
  .row2{grid-template-columns:1fr}
  .wa-float{width:48px; height:48px; right:14px; bottom:14px}
}

.logo .gmbh{letter-spacing:.02em; font-weight:600; opacity:.7; margin-left:-.06em}