/* Diez IT GmbH & Co. KG — static site.
   No external requests: system fonts only, no CDN, no tracking, no cookies. */

:root{
  --bg:#F7F4EA; --surface:#FFFFFF; --ink:#22221F; --muted:#5D5B52;
  --rule:#DDD8C7; --accent:#12625C; --on-accent:#FFFFFF;
  --wrap:70rem; --gut:clamp(1.25rem,4vw,3rem);
  --sans:ui-sans-serif,system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
  --mono:ui-monospace,SFMono-Regular,Menlo,Consolas,"Liberation Mono",monospace;
  color-scheme:light dark;
}
@media (prefers-color-scheme:dark){
  :root{ --bg:#121310; --surface:#1A1C18; --ink:#EDEAE0; --muted:#9E9B90;
         --rule:#2C2E28; --accent:#5CBFB2; --on-accent:#0C0E0B; }
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
body{margin:0;overflow-x:clip;background:var(--bg);color:var(--ink);font-family:var(--sans);overflow-wrap:break-word;
     font-size:clamp(1rem,.96rem + .2vw,1.075rem);line-height:1.65;
     -webkit-font-smoothing:antialiased}
img{max-width:100%;height:auto;display:block}
a{color:inherit}
h1,h2,h3{line-height:1.15;letter-spacing:-.02em;margin:0;font-weight:600;
         -webkit-hyphens:auto;hyphens:auto;overflow-wrap:anywhere}
h1{font-size:clamp(1.6rem,.95rem + 2.9vw,3.5rem)}
h2{font-size:clamp(1.375rem,1.1rem + 1.5vw,2.25rem)}
h3{font-size:clamp(1.125rem,1.05rem + .35vw,1.3rem)}
p{margin:0 0 1rem}
.wrap{max-width:var(--wrap);margin-inline:auto;padding-inline:var(--gut)}
.skip{position:absolute;left:-9999px}
.skip:focus{left:1rem;top:1rem;z-index:99;background:var(--accent);color:var(--on-accent);padding:.6rem 1rem}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px}

/* ---------- header ---------- */
.site-head{position:sticky;top:0;z-index:20;background:var(--bg);border-bottom:1px solid var(--rule)}
.site-head .wrap{display:flex;align-items:center;gap:1.5rem;min-height:4.25rem;flex-wrap:wrap}
.brand{display:flex;align-items:center;gap:.65rem;text-decoration:none;font-weight:600;
       letter-spacing:.14em;text-transform:uppercase;font-size:.875rem}
.brand svg{height:1.35rem;width:auto;fill:currentColor}
.site-nav{margin-left:auto;display:flex;gap:clamp(.9rem,2.2vw,1.9rem);flex-wrap:wrap}
.site-nav a{text-decoration:none;color:var(--muted);font-size:.9rem}
.site-nav a:hover,.site-nav a:focus-visible{color:var(--ink)}

/* ---------- hero ---------- */
.hero{position:relative;isolation:isolate;background:#0D0E0C;color:#F4F1E6;
      min-height:clamp(26rem,62vh,38rem);display:flex;align-items:flex-end}
.hero img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:-2}
.hero::after{content:"";position:absolute;inset:0;z-index:-1;
  background:linear-gradient(105deg,rgba(8,9,8,.88) 0%,rgba(8,9,8,.72) 45%,rgba(8,9,8,.35) 100%)}
.hero .wrap{padding-block:clamp(3rem,9vw,6rem)}
.hero h1{max-width:20ch}
.hero p{max-width:56ch;margin-top:1.25rem;color:#D9D5C7;font-size:1.1em}
.eyebrow{font-size:.8rem;letter-spacing:.18em;text-transform:uppercase;color:var(--accent);
         margin:0 0 1rem;font-weight:600}
.hero .eyebrow{color:#7FD3C6}
.cta-row{display:flex;gap:.75rem;flex-wrap:wrap;margin-top:2rem}
.btn{display:inline-block;padding:.7rem 1.4rem;text-decoration:none;font-weight:600;font-size:.95rem;
     border:1px solid transparent}
.btn-primary{background:var(--accent);color:var(--on-accent)}
.btn-ghost{border-color:rgba(244,241,230,.4);color:#F4F1E6}
.btn:hover{opacity:.88}

/* ---------- sections ---------- */
section{padding-block:clamp(3.5rem,8vw,6rem);border-bottom:1px solid var(--rule)}
.lede{max-width:60ch;color:var(--muted);font-size:1.075em}
.unit{display:grid;gap:clamp(1.75rem,4vw,3.5rem);align-items:start;margin-top:3rem}
@media (min-width:56rem){
  .unit{grid-template-columns:minmax(0,1fr) minmax(0,1.15fr)}
  .unit.flip>figure{order:2}
}
.unit figure{margin:0}
.unit figcaption{font-size:.8rem;color:var(--muted);margin-top:.5rem}
.unit h3{margin-bottom:.75rem}
.ticks{list-style:none;margin:1.25rem 0 0;padding:0}
.ticks li{padding-left:1.6rem;position:relative;margin-bottom:.6rem}
.ticks li::before{content:"";position:absolute;left:0;top:.62em;width:.6rem;height:.6rem;
                  background:var(--accent)}
.cols{display:grid;gap:2rem;margin-top:2.5rem}
@media (min-width:48rem){.cols{grid-template-columns:repeat(3,1fr);gap:2.5rem}}
.col h3{margin-bottom:.5rem}
.col p{color:var(--muted);margin:0}
.facts{margin:2.5rem 0 0;display:grid;gap:0;border-top:1px solid var(--rule)}
.facts div{display:grid;gap:.15rem;padding:.85rem 0;border-bottom:1px solid var(--rule)}
@media (min-width:40rem){.facts div{grid-template-columns:14rem 1fr;gap:1.5rem;align-items:baseline}}
.facts dt{color:var(--muted);font-size:.9rem}
.facts dd{margin:0}
address{font-style:normal;margin:0 0 1rem}
.contact{display:grid;gap:2rem;margin-top:2.5rem}
@media (min-width:48rem){.contact{grid-template-columns:repeat(2,minmax(0,1fr))}}
.contact a{color:var(--accent);text-decoration-thickness:1px;text-underline-offset:3px}

/* ---------- legal pages ---------- */
.legal{padding-block:clamp(2.5rem,6vw,4.5rem);border-bottom:0}
.legal .wrap{max-width:48rem}
.legal h2{margin-top:2.5rem;font-size:1.3rem}
.legal h3{margin-top:1.75rem;font-size:1.05rem}
.legal address{margin:0 0 1rem}
.legal ul{padding-left:1.15rem}
.legal li{margin-bottom:.4rem}
.legal a{color:var(--accent)}

/* placeholder marker — must be empty before the site goes live, see TODO.md */
.todo{background:#FFE9A8;color:#4A3A00;border:1px dashed #B08900;padding:0 .3em;
      font-family:var(--mono);font-size:.9em;font-weight:600}
@media (prefers-color-scheme:dark){.todo{background:#4E3F0C;color:#FFE9A8;border-color:#C7A63A}}

/* ---------- footer ---------- */
.site-foot{padding-block:2.5rem;font-size:.875rem;color:var(--muted)}
.site-foot .wrap{display:flex;gap:1rem 2rem;flex-wrap:wrap;align-items:center}
.site-foot nav{display:flex;gap:1.5rem;margin-left:auto;flex-wrap:wrap}
.site-foot a{color:var(--muted)}
.site-foot a:hover{color:var(--ink)}