/* Havelwerk Logistik & Engineering — industrial design tokens */
:root{
  --bg:#eef0ef;
  --surface:#ffffff;
  --ink:#14181b;
  --ink-soft:#5a636b;
  --line:#d7dbdc;
  --line-strong:#b7bec1;
  --steel:#1e2427;      /* near-black graphite */
  --steel-2:#2c3438;
  --signal:#ff6a13;      /* industrial warning orange — accents only */
  --signal-ink:#1e0e00;
  --radius:8px;
  --radius-sm:4px;
  --mono:ui-monospace,SFMono-Regular,Menlo,Consolas,"Liberation Mono",monospace;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font:16px/1.6 -apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;color:var(--ink);background:var(--bg)}
a{color:var(--steel)}
img{max-width:100%}
.wrap{max-width:1180px;margin:0 auto;padding:0 22px}
h1,h2,h3{font-weight:800;letter-spacing:-.01em;margin:0}
h2{font-size:clamp(24px,3vw,32px);text-transform:uppercase;letter-spacing:.02em}
h3{font-size:17px}
.eyebrow{display:flex;align-items:center;gap:10px;font:700 12px/1 var(--mono);letter-spacing:.12em;text-transform:uppercase;color:var(--signal);margin-bottom:12px}
.eyebrow::before{content:"";width:22px;height:2px;background:var(--signal)}
.lead{font-size:17px;color:var(--ink-soft);max-width:620px}

/* ===== header ===== */
.site-header{position:sticky;top:0;z-index:100;background:rgba(238,240,239,.9);backdrop-filter:blur(10px);border-bottom:1px solid var(--line);transition:box-shadow .3s ease}
.site-header.scrolled{box-shadow:0 2px 0 var(--steel)}
.site-header .wrap{display:flex;align-items:center;justify-content:space-between;min-height:66px;gap:18px}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;font-weight:800;font-size:17px;color:var(--steel);letter-spacing:.02em;text-transform:uppercase}
.brand svg{width:32px;height:32px;flex:none}
.nav{display:flex;align-items:center;gap:0}
.nav a{text-decoration:none;color:var(--ink);font-weight:600;font-size:13.5px;letter-spacing:.03em;text-transform:uppercase;padding:10px 16px;border-left:1px solid var(--line)}
.nav a:hover,.nav a.on{color:#fff;background:var(--steel)}
.header-actions{display:flex;align-items:center;gap:14px}
.lang-switch{display:flex;border:1px solid var(--steel);border-radius:var(--radius-sm);overflow:hidden}
.lang-switch button{border:0;background:var(--surface);padding:7px 12px;font:700 12px/1 var(--mono);color:var(--ink-soft);cursor:pointer}
.lang-switch button.active{background:var(--steel);color:#fff}
.menu-toggle{display:none;border:0;background:transparent;padding:8px;cursor:pointer}
.menu-toggle span{display:block;width:22px;height:2px;background:var(--ink);margin:5px 0}

/* ===== buttons ===== */
.btn{display:inline-flex;align-items:center;gap:8px;background:var(--signal);color:var(--signal-ink);padding:12px 24px;border-radius:var(--radius-sm);text-decoration:none;font-weight:800;font-size:14px;text-transform:uppercase;letter-spacing:.03em;border:1px solid var(--signal)}
.btn:hover{background:#e65f0d}
.btn.ghost{background:transparent;color:#fff;border:1.5px solid rgba(255,255,255,.5)}
.btn.dark{background:var(--steel);color:#fff;border-color:var(--steel)}

/* ===== hero: spec plate ===== */
.hero{background:var(--steel);color:#fff;padding:0}
.hero-grid{display:grid;grid-template-columns:1.3fr 1fr}
.hero-copy{padding:76px 44px 76px 0}
.hero h1{font-size:clamp(28px,4vw,44px);line-height:1.16;margin:0 0 16px;text-transform:none}
.hero .lead{color:rgba(255,255,255,.78);font-size:17px;max-width:520px;margin:0 0 28px}
.hero-cta{display:flex;gap:12px;flex-wrap:wrap}
.spec-plate{background:var(--steel-2);border-left:1px solid rgba(255,255,255,.12);padding:44px 36px;display:flex;flex-direction:column;justify-content:center}
.spec-label{font:700 12px/1 var(--mono);letter-spacing:.12em;text-transform:uppercase;color:var(--signal);margin-bottom:20px;display:flex;align-items:center;gap:10px}
.spec-label::before{content:"";width:8px;height:8px;background:var(--signal)}
.spec-row{display:flex;justify-content:space-between;align-items:baseline;padding:14px 0;border-top:1px solid rgba(255,255,255,.14)}
.spec-row:first-of-type{border-top:0}
.spec-row .k{font-size:13px;color:rgba(255,255,255,.68);max-width:60%}
.spec-row .v{font:700 22px/1 var(--mono);color:#fff;text-align:right}

/* ===== gauges / counters ===== */
.stats{padding:0;background:var(--surface);border-bottom:1px solid var(--line)}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr)}
.gauge{padding:26px 20px;text-align:center;border-left:1px solid var(--line)}
.gauge:first-child{border-left:0}
.gauge b{display:block;font:700 clamp(24px,3vw,34px)/1 var(--mono);color:var(--steel)}
.gauge span{display:block;margin-top:8px;font-size:12.5px;color:var(--ink-soft);text-transform:uppercase;letter-spacing:.04em}

/* ===== sections ===== */
section{padding:70px 0}
.section-head{max-width:640px;margin:0 0 40px}

/* services: numbered grid, no icon chips */
.svc-grid{display:grid;grid-template-columns:repeat(3,1fr)}
.svc-item{border-top:1px solid var(--line-strong);border-left:1px solid var(--line-strong);padding:28px 26px}
.svc-item:nth-child(3n+1){border-left:0}
.svc-item:nth-child(-n+3){border-top:0}
.svc-num{font:800 30px/1 var(--mono);color:var(--signal);margin-bottom:10px}
.svc-item h3{text-transform:uppercase;letter-spacing:.01em}
.svc-item p{color:var(--ink-soft);margin:8px 0 0;font-size:14.5px}

/* ===== timeline ===== */
.timeline{position:relative;padding-top:10px}
.timeline-track{position:relative;display:grid;grid-template-columns:repeat(3,1fr);gap:0}
.timeline-track::before{content:"";position:absolute;top:9px;left:0;right:0;height:2px;background:var(--line-strong)}
.tl-stop{position:relative;padding:34px 22px 0}
.tl-stop::before{content:"";position:absolute;top:0;left:22px;width:18px;height:18px;border-radius:50%;background:var(--surface);border:3px solid var(--signal)}
.tl-stop h3{text-transform:uppercase;font-size:15px}
.tl-stop .lbl{font:700 12px/1 var(--mono);color:var(--signal);letter-spacing:.06em;margin-bottom:8px;display:block}
.tl-stop p{color:var(--ink-soft);font-size:14px;margin:8px 0 0}

/* ===== cases strip ===== */
.cases{background:var(--steel);color:#fff}
.cases .section-head h2{color:#fff}
.cases .eyebrow{color:var(--signal)}
.case-strip{display:grid;grid-template-columns:repeat(4,1fr)}
.case-card{border-left:1px solid rgba(255,255,255,.14);padding:26px 22px}
.case-card:first-child{border-left:0}
.case-card .metric{font:800 clamp(26px,3vw,34px)/1 var(--mono);color:var(--signal)}
.case-card .metric .unit{font-size:15px;margin-left:4px;color:rgba(255,255,255,.7)}
.case-card .head{font-size:13px;color:rgba(255,255,255,.85);margin:6px 0 16px;text-transform:uppercase;letter-spacing:.02em}
.case-card .quote{font-size:13.5px;color:rgba(255,255,255,.72);line-height:1.55;border-top:1px solid rgba(255,255,255,.14);padding-top:14px;margin:0}
.case-card .who{margin-top:12px;font:700 11.5px/1 var(--mono);color:rgba(255,255,255,.55);text-transform:uppercase;letter-spacing:.04em}

/* ===== cta ===== */
.cta-banner{background:var(--surface);border:1px solid var(--steel);border-radius:var(--radius);padding:46px 40px;text-align:center}
.cta-banner h2{color:var(--steel)}
.cta-banner p{color:var(--ink-soft);max-width:520px;margin:12px auto 26px}

/* ===== inner page hero ===== */
.page-hero{background:var(--steel);color:#fff;padding:58px 0 48px;border-bottom:4px solid var(--signal)}
.page-hero h1{font-size:clamp(26px,3.4vw,36px);text-transform:uppercase}
.page-hero .lead{color:rgba(255,255,255,.78)}

.cols{display:grid;grid-template-columns:1.6fr 1fr;gap:0}
.cols > div:first-child{padding-right:44px}
.side-card{background:var(--surface);border:1px solid var(--line-strong);border-radius:var(--radius-sm);padding:24px;align-self:start}
table.info{border-collapse:collapse;width:100%}
table.info td{padding:10px 0;border-bottom:1px solid var(--line);font-size:14.5px}
table.info td:first-child{color:var(--ink-soft);width:44%;font:700 12px/1 var(--mono);text-transform:uppercase;letter-spacing:.03em}
ul.clean{padding-left:0;color:var(--ink-soft);list-style:none}
ul.clean li{margin-bottom:10px;padding-left:22px;position:relative}
ul.clean li::before{content:"";position:absolute;left:0;top:9px;width:10px;height:2px;background:var(--signal)}

form.contact{display:grid;gap:14px;max-width:520px}
form.contact label{font:700 11.5px/1 var(--mono);text-transform:uppercase;letter-spacing:.04em;color:var(--steel);margin-bottom:6px;display:block}
form.contact input,form.contact textarea{width:100%;padding:12px 14px;border:1px solid var(--line-strong);border-radius:var(--radius-sm);font:inherit;background:var(--surface);color:var(--ink)}
form.contact textarea{min-height:120px;resize:vertical}
form.contact .hint{font-size:12.5px;color:var(--ink-soft)}

/* phases (leistungen page) */
.phases{display:grid;grid-template-columns:repeat(4,1fr)}
.phase{border-left:1px solid var(--line-strong);padding:0 22px}
.phase:first-child{border-left:0;padding-left:0}
.phase .n{font:800 26px/1 var(--mono);color:var(--signal);margin-bottom:8px}
.phase h3{font-size:14.5px;text-transform:uppercase}
.phase p{color:var(--ink-soft);font-size:13.5px;margin:6px 0 0}
.phase .d{margin-top:10px;font:700 11px/1 var(--mono);color:var(--ink-soft);text-transform:uppercase}

footer{background:var(--steel);color:#a9b1b5;padding:44px 0 26px;font-size:13.5px}
footer .wrap{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:28px}
footer h3{color:#fff;font:700 12px/1 var(--mono);text-transform:uppercase;letter-spacing:.06em;margin-bottom:12px}
footer a{color:#a9b1b5;text-decoration:none}
footer a:hover{color:#fff}
footer .bottom{max-width:1180px;margin:26px auto 0;padding:20px 22px 0;border-top:1px solid rgba(255,255,255,.1);font-size:12px;color:#71797d}

/* ===== animation engine hooks (reused as-is) ===== */
.reveal{opacity:0;transform:translateY(24px);transition:opacity .6s cubic-bezier(.2,.7,.3,1), transform .6s cubic-bezier(.2,.7,.3,1)}
.reveal.in{opacity:1;transform:translateY(0)}
.reveal-scale{opacity:0;transform:scale(.96);transition:opacity .6s ease, transform .6s cubic-bezier(.2,.7,.3,1)}
.reveal-scale.in{opacity:1;transform:scale(1)}
.stagger > *{transition-delay:calc(var(--i,0) * 80ms)}

@media(max-width:900px){
  .hero-grid{grid-template-columns:1fr}
  .hero-copy{padding:52px 22px 40px}
  .spec-plate{border-left:0;border-top:1px solid rgba(255,255,255,.12);padding:32px 22px}
  .svc-grid{grid-template-columns:repeat(2,1fr)}
  .svc-item:nth-child(2n+1){border-left:0}
  .svc-item:nth-child(-n+2){border-top:0}
  .svc-item:nth-child(n+3){border-top:1px solid var(--line-strong)}
  .timeline-track{grid-template-columns:1fr;gap:26px}
  .timeline-track::before{display:none}
  .case-strip{grid-template-columns:repeat(2,1fr)}
  .case-card:nth-child(2n+1){border-left:0}
  .cols{grid-template-columns:1fr}
  .cols > div:first-child{padding-right:0}
  .stats-grid{grid-template-columns:repeat(2,1fr)}
  .gauge:nth-child(2n+1){border-left:0}
  .phases{grid-template-columns:1fr}
  .phase{border-left:0;border-top:1px solid var(--line-strong);padding:18px 0 0}
  .phase:first-child{border-top:0}
  footer .wrap{grid-template-columns:1fr}
  .nav{position:fixed;top:66px;left:0;right:0;background:var(--surface);flex-direction:column;align-items:stretch;border-bottom:1px solid var(--line);transform:translateY(-8px);opacity:0;pointer-events:none;transition:opacity .2s ease, transform .2s ease}
  .nav.open{opacity:1;transform:translateY(0);pointer-events:auto}
  .nav a{border-left:0;border-top:1px solid var(--line)}
  .menu-toggle{display:block}
}
@media(max-width:600px){.case-strip{grid-template-columns:1fr}.case-card{border-left:0;border-top:1px solid rgba(255,255,255,.14)}.case-card:first-child{border-top:0}.stats-grid{grid-template-columns:repeat(2,1fr)}}