/* ============================================================
   SORTECH RECYCLING — Verfahrenstechnik / Industrial
   ============================================================ */

:root{
  --bg:#0a0e15;
  --bg-2:#0c1119;
  --bg-3:#0f151e;
  --panel:#111823;
  --steel:#141c27;
  --line:rgba(150,172,205,.12);
  --line-2:rgba(150,172,205,.22);

  --navy:#16548f;
  --blue:#1b5ea8;
  --blue-bright:#2c79c4;
  --ice:#6fa8d6;
  --ice-soft:#a7cbe6;

  /* Signalakzent = Logo-Blau (kein Gelb) */
  --accent:#2c79c4;

  --ink:#eef2f7;
  --ink-2:#a9b6c6;
  --muted:#76859a;

  --maxw:1280px;
  --gutter:clamp(1.15rem,4vw,3.2rem);
  --r:3px;
  --r-s:2px;

  --mono:ui-monospace,"SFMono-Regular","SF Mono","Cascadia Mono","Roboto Mono",Menlo,Consolas,monospace;
  --display:"Saira Condensed",ui-sans-serif,system-ui,sans-serif;
  --body:"Saira",ui-sans-serif,system-ui,sans-serif;

  color-scheme:dark;
}

*,*::before,*::after{box-sizing:border-box}
*{margin:0;padding:0}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
body{
  font-family:var(--body);background:var(--bg);color:var(--ink);
  line-height:1.62;font-size:clamp(1rem,.96rem + .2vw,1.07rem);
  -webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;overflow-x:clip
}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
ul,ol{list-style:none}
button{font:inherit;color:inherit;cursor:pointer;background:none;border:none}
:focus-visible{outline:2px solid var(--ice);outline-offset:2px}

.shell{width:100%;max-width:var(--maxw);margin-inline:auto;padding-inline:var(--gutter)}

.skip-link{position:fixed;top:.6rem;left:.6rem;z-index:200;background:var(--blue-bright);color:#fff;padding:.55rem .9rem;font-weight:600;transform:translateY(-160%);transition:transform .2s}
.skip-link:focus{transform:none}

/* ---------- Type helpers ---------- */
.kicker{font-family:var(--mono);font-size:.72rem;letter-spacing:.18em;text-transform:uppercase;color:var(--muted);margin-bottom:1.15rem}
.section-title{font-family:var(--display);font-weight:700;line-height:1.05;letter-spacing:.005em;font-size:clamp(1.85rem,1.25rem + 2.9vw,3.1rem);color:var(--ink);overflow-wrap:break-word;hyphens:manual;max-width:20ch}
.section-head--wide .section-title{max-width:24ch}
.lead{font-size:clamp(1.05rem,1rem + .42vw,1.26rem);color:var(--ink-2);max-width:54ch;line-height:1.55}
.section p{color:var(--ink-2);max-width:62ch}

/* ---------- Buttons (rectangular, flat) ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:.5rem;font-family:var(--display);text-transform:uppercase;letter-spacing:.045em;font-weight:600;font-size:1rem;line-height:1;padding:.95rem 1.55rem;border:1px solid transparent;border-radius:var(--r-s);transition:background .18s,border-color .18s,color .18s}
.btn--primary{background:var(--navy);color:#fff;border-color:rgba(255,255,255,.08)}
.btn--primary:hover{background:var(--blue-bright)}
.btn--ghost{color:var(--ink);border-color:var(--line-2);background:transparent}
.btn--ghost:hover{border-color:var(--ice);color:var(--ice-soft)}

/* ============================================================
   HEADER
   ============================================================ */
.site-header{position:fixed;top:0;left:0;right:0;z-index:100;border-bottom:1px solid transparent;transition:background .3s,border-color .3s,backdrop-filter .3s}
.site-header[data-at-top="false"]{background:rgba(8,11,17,.86);backdrop-filter:blur(12px) saturate(1.1);border-bottom-color:var(--line)}
.header-bar{display:flex;align-items:center;gap:1.5rem;height:72px}
.brand{display:flex;align-items:center;flex-shrink:0}
.brand-lockup{display:flex;flex-direction:column;line-height:1}
.brand-word{display:inline-flex;align-items:center;font-family:var(--display);font-weight:700;font-size:1.5rem;letter-spacing:.14em;color:#fff;line-height:1}
.brand-flake{height:.96em;width:auto;flex:none;margin:0 .04em;transform:translateY(.01em)}
.brand-rule{display:flex;align-items:center;gap:.5rem;margin-top:.42rem;width:100%}
.brand-rule span{font-family:var(--mono);font-size:.56rem;letter-spacing:.2em;text-transform:uppercase;color:var(--ice-soft);white-space:nowrap}
.brand-rule i{flex:1;height:1px;min-width:.7rem;background:var(--ice);opacity:.5}
.brand-word--sm{font-size:1.3rem}
.main-nav{margin-left:auto}
.main-nav ul{display:flex;gap:.2rem}
.main-nav a{font-family:var(--mono);font-size:.76rem;letter-spacing:.1em;text-transform:uppercase;color:var(--ink-2);padding:.55rem .85rem;transition:color .2s,background .2s}
.main-nav a:hover{color:var(--ink);background:rgba(255,255,255,.04)}
.header-cta{padding:.68rem 1.15rem;font-size:.84rem}
.nav-toggle{display:none;width:46px;height:44px;border:1px solid var(--line-2);align-items:center;justify-content:center;border-radius:var(--r-s)}
.nav-toggle-bars{display:block;width:20px;height:13px;position:relative}
.nav-toggle-bars i{position:absolute;left:0;height:2px;width:100%;background:var(--ink)}
.nav-toggle-bars i:nth-child(1){top:0}.nav-toggle-bars i:nth-child(2){top:5.5px}.nav-toggle-bars i:nth-child(3){top:11px}

/* ---------- Mobile menu ---------- */
.menu-scrim{position:fixed;inset:0;z-index:110;background:rgba(5,7,11,.62);opacity:0;transition:opacity .3s}
.menu-scrim.is-open{opacity:1}
.mobile-menu{position:fixed;top:0;right:0;z-index:120;width:min(86vw,350px);height:100dvh;background:var(--bg-3);border-left:1px solid var(--line-2);transform:translateX(102%);transition:transform .32s cubic-bezier(.4,.01,.16,1);display:flex;flex-direction:column;padding:1.4rem 1.5rem 1.7rem;overflow-y:auto}
.mobile-menu.is-open{transform:none}
.mobile-menu-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:1.6rem}
.menu-close{width:42px;height:42px;border:1px solid var(--line-2);display:flex;align-items:center;justify-content:center;border-radius:var(--r-s)}
.menu-close svg{width:20px;height:20px}
.mobile-nav{display:flex;flex-direction:column}
.mobile-nav a{display:flex;align-items:baseline;gap:.85rem;padding:.9rem .2rem;font-family:var(--display);text-transform:uppercase;font-weight:600;font-size:1.4rem;border-bottom:1px solid var(--line);color:var(--ink)}
.mn-idx{font-family:var(--mono);font-size:.72rem;color:var(--muted);font-weight:500}
.mobile-menu-foot{margin-top:auto;padding-top:1.6rem}
.mobile-menu-foot .btn{width:100%}
.contact-mini{font-family:var(--mono);font-size:.85rem;color:var(--ink-2);margin-top:1rem;line-height:1.9}
.contact-mini a:hover{color:var(--ice)}

/* ============================================================
   HERO
   ============================================================ */
.hero{position:relative;isolation:isolate;overflow:hidden;min-height:100svh;display:flex;flex-direction:column;justify-content:center;padding-top:calc(72px + clamp(2rem,7vh,4.5rem))}
.hero-bg{position:absolute;inset:-6% 0 0;z-index:-5;background:#0a0e15 url("../img/hero-bg-1920.webp") center 32%/cover no-repeat;will-change:transform}
@media (max-width:760px){.hero-bg{background-image:url("../img/hero-bg-1080.webp")}}
.hero-veil{position:absolute;inset:0;z-index:-4;background:
  linear-gradient(90deg,rgba(10,14,21,.94) 0%,rgba(10,14,21,.78) 42%,rgba(10,14,21,.5) 100%),
  linear-gradient(180deg,rgba(10,14,21,.55) 0%,rgba(10,14,21,.4) 40%,var(--bg) 100%)}
.hero-light{position:absolute;inset:0;z-index:-3;pointer-events:none;background:radial-gradient(70% 60% at 82% 12%,rgba(43,121,196,.22),transparent 60%);animation:heroLight 22s ease-in-out infinite}
@keyframes heroLight{50%{opacity:.62;transform:scale(1.07)}}
.hero-grain{position:absolute;inset:0;z-index:-2;pointer-events:none;opacity:.4;mix-blend-mode:overlay;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.5'/%3E%3C/svg%3E")}

.hero-inner{position:relative;z-index:1;flex:1;display:flex;flex-direction:column;justify-content:center;max-width:min(100%,940px)}
.hero-title{font-family:var(--display);font-weight:700;font-size:clamp(2.2rem,1.3rem + 4.3vw,4.4rem);line-height:1.04;letter-spacing:.002em;margin:1.5rem 0 0;color:#fff;max-width:21ch;overflow-wrap:break-word;hyphens:manual}
.hero-sub{font-size:clamp(1.05rem,1rem + .55vw,1.32rem);color:var(--ink-2);max-width:60ch;margin-top:1.6rem;line-height:1.55}
.hero-actions{display:flex;flex-wrap:wrap;gap:.85rem;margin-top:2.1rem}

.hero-specs{position:relative;z-index:1;margin-top:clamp(2.4rem,6vh,4rem);border-top:1px solid var(--line)}
.hero-specs-inner{display:grid;grid-template-columns:auto auto 1fr}
.spec{padding:1.4rem 1.8rem 1.5rem;border-left:1px solid var(--line)}
.spec:first-child{border-left:none;padding-left:0}
.spec-val{display:block;font-family:var(--display);font-weight:700;font-size:clamp(1.25rem,1rem + 1vw,1.7rem);color:var(--ink);line-height:1.05;letter-spacing:.01em;white-space:nowrap}
.spec:last-child .spec-val{white-space:normal}
.spec-key{display:block;font-family:var(--mono);font-size:.66rem;letter-spacing:.1em;text-transform:uppercase;color:var(--muted);margin-top:.55rem}

/* ============================================================
   SECTIONS
   ============================================================ */
.section{position:relative;padding-block:clamp(4rem,9vh,7rem)}
.section--problem{background:var(--bg)}
.section--principle{background:var(--bg-2);border-top:1px solid var(--line)}
.section--process{background:var(--bg)}
.section--input{background:var(--bg-2);border-top:1px solid var(--line)}
.section--output{background:var(--bg)}
.section--about{background:var(--bg-2);border-top:1px solid var(--line)}
.section--contact{background:var(--bg);border-top:1px solid var(--line)}
.section-head{max-width:62ch;margin-bottom:clamp(2.4rem,5vw,3.4rem)}
.section-head .lead{margin-top:1.2rem}

/* ---------- Split ---------- */
.split{display:grid;grid-template-columns:1.04fr .96fr;gap:clamp(2rem,5vw,4.6rem);align-items:center}
.split-text .section-title{margin-top:.1rem}
.split-text .lead{margin-top:1.3rem}
.split-text p + p{margin-top:1.05rem}

.datalist{margin-top:2.1rem;border-top:1px solid var(--line-2)}
.datalist div{display:flex;justify-content:space-between;gap:1.2rem;padding:.8rem 0;border-bottom:1px solid var(--line)}
.datalist dt{font-family:var(--mono);font-size:.7rem;letter-spacing:.08em;text-transform:uppercase;color:var(--muted);white-space:nowrap;padding-top:.15rem}
.datalist dd{font-family:var(--mono);font-size:.85rem;color:var(--ink-2);text-align:right}

/* ---------- Image plate ---------- */
.plate{position:relative}
.plate picture{display:block;border:1px solid var(--line-2);background:var(--bg-3)}
.plate img{width:100%;aspect-ratio:900/391;object-fit:cover;filter:saturate(1.04) contrast(1.03)}
figcaption{margin-top:.9rem;font-family:var(--mono);font-size:.76rem;color:var(--muted);letter-spacing:.01em;line-height:1.6}
.cap-id{color:var(--ice);margin-right:.5rem}

/* ---------- Principle row (flat, hairline-separated) ---------- */
.principle-row{display:grid;grid-template-columns:repeat(3,1fr);border-top:1px solid var(--line-2)}
.principle{padding:1.8rem 1.8rem 1.8rem 0;border-left:1px solid var(--line);padding-left:1.8rem}
.principle:first-child{border-left:none;padding-left:0}
.principle-num{font-family:var(--mono);font-size:.78rem;color:var(--ice);letter-spacing:.08em}
.principle h3{font-family:var(--display);text-transform:uppercase;font-weight:600;font-size:1.35rem;letter-spacing:.01em;margin:.7rem 0 .55rem;color:var(--ink)}
.principle p{color:var(--ink-2);font-size:.96rem;max-width:36ch}

/* ---------- Verfahrenskette ---------- */
.chain{margin-top:.5rem}
.chain-axis{display:flex;align-items:baseline;gap:1.2rem;font-family:var(--mono);font-size:.7rem;letter-spacing:.06em;text-transform:uppercase;color:var(--muted);padding-bottom:.7rem;border-bottom:1px solid var(--line)}
.chain-axis-label{margin-right:auto}
.chain-axis-from{color:var(--ink-2)}
.chain-axis-min{color:var(--ice)}
.chain-axis-to{color:var(--ice-soft)}
.chain-steps{display:grid;grid-template-columns:repeat(8,1fr);margin-top:0}
.cstep{position:relative;padding:2.2rem .85rem 0 0;min-width:0}
.cstep::before{content:"";position:absolute;top:0;left:0;right:0;height:2px;background:#46505f}
.cstep::after{content:"";position:absolute;top:-5px;left:0;width:12px;height:12px;border-radius:50%;background:var(--bg);border:2px solid #46505f}
.cstep[data-phase="cool"]::before{background:linear-gradient(90deg,#46505f,var(--blue))}
.cstep[data-phase="cool"]::after{border-color:var(--blue)}
.cstep[data-phase="cold"]::before{background:var(--blue-bright)}
.cstep[data-phase="cold"]::after{border-color:var(--ice);background:var(--blue-bright)}
.cstep[data-phase="sort"]::before{background:linear-gradient(90deg,var(--blue-bright),var(--ice))}
.cstep[data-phase="sort"]::after{border-color:var(--ice-soft)}
.cstep[data-phase="cycle"]::before{background:linear-gradient(90deg,var(--ice),var(--ice-soft))}
.cstep[data-phase="cycle"]::after{border-color:var(--ice-soft);background:var(--ice-soft)}
.cstep-no{font-family:var(--mono);font-size:.74rem;color:var(--ice);letter-spacing:.08em;font-weight:500}
.cstep-temp{display:block;font-family:var(--mono);font-size:.68rem;letter-spacing:.04em;color:var(--ice);margin-top:.7rem;text-transform:uppercase}
.cstep[data-phase="warm"] .cstep-temp{color:var(--muted)}
.cstep[data-phase="cycle"] .cstep-temp{color:var(--ice-soft)}
.cstep h3{font-family:var(--display);text-transform:uppercase;font-weight:600;font-size:1.02rem;line-height:1.08;margin:.6rem 0 0;color:var(--ink);letter-spacing:.01em}
.process-foot{margin-top:2.6rem;max-width:72ch;color:var(--ink-2);font-size:.98rem;padding-top:1.5rem;border-top:1px solid var(--line)}

/* ---------- Eingangsmaterial-Register ---------- */
.register{margin-top:.5rem}
.register-cols{display:grid;grid-template-columns:1fr 1fr;gap:0 clamp(2rem,5vw,4rem)}
.reg-head,.reg-row{display:grid;grid-template-columns:2.4rem 1fr auto;gap:1rem;align-items:baseline;padding:.72rem 0;border-bottom:1px solid var(--line)}
.reg-head{border-bottom:1px solid var(--line-2);font-family:var(--mono);font-size:.66rem;letter-spacing:.1em;text-transform:uppercase;color:var(--muted)}
.reg-no{font-family:var(--mono);font-size:.82rem;color:var(--ice);letter-spacing:.04em}
.reg-name{font-size:.98rem;color:var(--ink)}
.reg-cls{font-family:var(--mono);font-size:.72rem;letter-spacing:.05em;text-transform:uppercase;color:var(--muted);text-align:right;white-space:nowrap}
.reg-row:hover{background:rgba(255,255,255,.02)}
.register-note{margin-top:1.6rem;font-size:.95rem;color:var(--ink-2);padding-left:1rem;border-left:2px solid var(--accent)}

/* ---------- Fraktionen (flache Materialplatten) ---------- */
.frac-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line-2);border:1px solid var(--line-2)}
.frac{position:relative;background:var(--bg-3);overflow:hidden}
.frac-media{aspect-ratio:16/9;overflow:hidden}
.frac-media img{width:100%;height:100%;object-fit:cover;filter:saturate(1.04)}
.frac-body{padding:1.15rem 1.3rem 1.35rem;border-top:1px solid var(--line)}
.frac-no{font-family:var(--mono);font-size:.66rem;letter-spacing:.1em;text-transform:uppercase;color:var(--muted)}
.frac-body h3{font-family:var(--display);text-transform:uppercase;font-weight:700;font-size:1.45rem;letter-spacing:.01em;margin:.4rem 0 .3rem;color:var(--ink)}
.frac-body p{font-family:var(--mono);font-size:.78rem;color:var(--ink-2);letter-spacing:.01em}

/* ---------- Unternehmen ---------- */
.section--about .split{grid-template-columns:1.1fr .9fr}
.about-points{margin-top:1.9rem;border-top:1px solid var(--line)}
.about-points li{padding:.85rem 0 .85rem 1.4rem;border-bottom:1px solid var(--line);color:var(--ink);font-size:1.02rem;position:relative}
.about-points li::before{content:"";position:absolute;left:0;top:1.2rem;width:8px;height:8px;background:var(--accent)}
.facts{display:grid;grid-template-columns:1fr 1fr;gap:1px;background:var(--line-2);border:1px solid var(--line-2)}
.fact{background:var(--bg-3);padding:1.5rem 1.4rem;min-height:120px;display:flex;flex-direction:column;justify-content:flex-end}
.fact-val{font-family:var(--display);text-transform:uppercase;font-weight:700;font-size:1.5rem;line-height:1;color:var(--ink);letter-spacing:.01em}
.fact-key{font-family:var(--mono);font-size:.68rem;letter-spacing:.07em;text-transform:uppercase;color:var(--muted);margin-top:.65rem}

/* ---------- Materialprüfung / Kontakt ---------- */
.contact-grid{display:grid;grid-template-columns:.8fr 1.2fr;gap:clamp(1.6rem,3.5vw,3rem);align-items:start}
.contact-info{border-top:1px solid var(--line-2);padding-top:1.4rem}
.ci-name{font-family:var(--display);text-transform:uppercase;font-weight:600;font-size:1.3rem;letter-spacing:.03em;color:var(--ink)}
.ci-addr{font-family:var(--mono);font-size:.86rem;color:var(--ink-2);margin-top:.5rem}
.contact-lines{margin:1.5rem 0}
.contact-lines div{display:flex;justify-content:space-between;gap:1rem;padding:.7rem 0;border-bottom:1px solid var(--line)}
.contact-lines dt{font-family:var(--mono);font-size:.7rem;letter-spacing:.1em;text-transform:uppercase;color:var(--muted);align-self:center}
.contact-lines dd{font-family:var(--mono);font-size:.92rem;color:var(--ink)}
.contact-lines a:hover{color:var(--ice)}
.ci-hint{font-size:.92rem;color:var(--ink-2);margin-bottom:1.3rem}
.contact-info .btn{width:100%}
.cd-head{font-family:var(--mono);font-size:.68rem;letter-spacing:.12em;text-transform:uppercase;color:var(--muted);margin:.4rem 0 .2rem}
.contact-lines--dept{margin-top:.2rem;margin-bottom:1.4rem}
.contact-lines--dept div{flex-direction:column;align-items:flex-start;gap:.25rem;padding:.62rem 0}
.contact-lines--dept dt{align-self:flex-start;color:var(--ink-2)}
.contact-lines--dept dd{font-size:.84rem;word-break:break-word}

.probe-form{border:1px solid var(--line-2);background:var(--bg-3);padding:clamp(1.5rem,3vw,2.2rem)}
.probe-form h3{font-family:var(--display);text-transform:uppercase;font-weight:600;font-size:1.3rem;letter-spacing:.03em;margin-bottom:1.4rem;color:var(--ink);padding-bottom:1rem;border-bottom:1px solid var(--line)}
.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:1rem}
.field{margin-bottom:1rem;display:flex;flex-direction:column}
.field label{font-family:var(--mono);font-size:.72rem;letter-spacing:.07em;text-transform:uppercase;color:var(--ink-2);margin-bottom:.45rem}
.req{color:var(--ice-soft)}
.field input,.field select,.field textarea{font:inherit;font-size:.97rem;color:var(--ink);background:rgba(8,11,17,.6);border:1px solid var(--line-2);border-radius:var(--r-s);padding:.78rem .9rem;width:100%;transition:border-color .2s}
.field textarea{resize:vertical;min-height:92px}
.field input::placeholder{color:var(--muted)}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--ice)}
.field select{appearance:none;background-image:linear-gradient(45deg,transparent 50%,var(--muted) 50%),linear-gradient(135deg,var(--muted) 50%,transparent 50%);background-position:calc(100% - 18px) 17px,calc(100% - 13px) 17px;background-size:5px 5px,5px 5px;background-repeat:no-repeat}
.probe-form .btn{width:100%;margin-top:.4rem}
.form-note{font-family:var(--mono);font-size:.72rem;color:var(--muted);margin-top:1rem;line-height:1.7}
.form-status{font-size:.9rem;margin-top:.7rem;color:var(--ice);min-height:1em}
.form-status.is-error{color:#ff9a8a}

/* ============================================================
   FOOTER
   ============================================================ */
.site-footer{background:var(--bg-2);border-top:1px solid var(--line-2);padding-block:clamp(3rem,6vh,4.2rem) 1.8rem}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:2.4rem;padding-bottom:2.3rem;border-bottom:1px solid var(--line)}
.footer-brand .brand{display:flex;align-items:center;gap:.7rem}
.footer-claim{color:var(--ink-2);font-size:.93rem;margin-top:1.1rem;max-width:44ch}
.footer-col h4{font-family:var(--mono);font-size:.7rem;letter-spacing:.12em;text-transform:uppercase;color:var(--muted);margin-bottom:1.1rem}
.footer-col ul{display:flex;flex-direction:column;gap:.55rem;color:var(--ink-2);font-size:.93rem}
.footer-col a:hover{color:var(--ice)}
.footer-bottom{display:flex;justify-content:space-between;align-items:center;gap:1rem;flex-wrap:wrap;padding-top:1.5rem;font-family:var(--mono);font-size:.78rem;color:var(--muted)}
.footer-bottom nav{display:flex;gap:1.4rem}
.footer-bottom a:hover{color:var(--ice)}

/* ============================================================
   LEGAL PAGES
   ============================================================ */
.legal-hero{position:relative;padding:calc(72px + clamp(3rem,9vh,6rem)) 0 clamp(2rem,5vh,3.5rem);background:var(--bg-2);border-bottom:1px solid var(--line)}
.breadcrumb{font-family:var(--mono);font-size:.74rem;letter-spacing:.1em;text-transform:uppercase;color:var(--muted);margin-bottom:1rem}
.breadcrumb a:hover{color:var(--ice)}
.legal-hero h1{font-family:var(--display);text-transform:uppercase;font-weight:700;font-size:clamp(2.1rem,1.4rem + 3vw,3.2rem);color:var(--ink)}
.legal-content{max-width:74ch}
.legal-content .vcard{padding:1.3rem 1.5rem;border:1px solid var(--line-2);background:var(--bg-3);margin-bottom:1.4rem}
.legal-content .vcard .strong{font-family:var(--display);text-transform:uppercase;font-size:1.2rem;letter-spacing:.04em;color:var(--ink)}
.legal-content .vcard p{color:var(--ink-2)}
.meta-table{width:100%;border-collapse:collapse;margin-bottom:2.4rem;border:1px solid var(--line-2)}
.meta-table th,.meta-table td{text-align:left;padding:.8rem 1.1rem;border-bottom:1px solid var(--line);font-size:.95rem;vertical-align:top}
.meta-table tr:last-child th,.meta-table tr:last-child td{border-bottom:none}
.meta-table th{font-family:var(--mono);font-size:.72rem;letter-spacing:.08em;text-transform:uppercase;color:var(--muted);width:42%;font-weight:500}
.meta-table td{color:var(--ink)}
.meta-table a:hover{color:var(--ice)}
.legal-content h2{font-family:var(--display);text-transform:uppercase;font-weight:600;font-size:1.35rem;color:var(--ink);margin:2.2rem 0 .7rem}
.legal-content p,.legal-content li{color:var(--ink-2);max-width:74ch}
.legal-content ul{list-style:disc;padding-left:1.3rem;margin:.6rem 0 1rem;display:flex;flex-direction:column;gap:.4rem}
.legal-content p + p{margin-top:.9rem}
.legal-content a{color:var(--ice-soft);text-decoration:underline;text-underline-offset:3px}

/* ============================================================
   REVEAL
   ============================================================ */
.reveal{opacity:0;transform:translateY(18px);transition:opacity .6s cubic-bezier(.2,.6,.2,1),transform .6s cubic-bezier(.2,.6,.2,1)}
.reveal.is-visible{opacity:1;transform:none}
.hero .reveal{transition-delay:calc(var(--d,0) * 85ms)}
.hero .reveal[data-d="1"]{--d:1}.hero .reveal[data-d="2"]{--d:2}.hero .reveal[data-d="3"]{--d:3}.hero .reveal[data-d="4"]{--d:4}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width:1080px){
  .main-nav,.header-cta{display:none}
  .nav-toggle{display:inline-flex}
  .header-bar{height:64px}
}
@media (max-width:920px){
  .split,.section--about .split{grid-template-columns:1fr;gap:2.2rem}
  .plate{order:-1}
  .principle-row{grid-template-columns:1fr;border-top:none}
  .principle{border-left:none;padding-left:0;border-top:1px solid var(--line);padding-block:1.5rem}
  .principle:first-child{border-top:1px solid var(--line-2)}
  .register-cols{grid-template-columns:1fr;gap:0}
  .register-col:last-child .reg-head{display:none}
  .frac-grid{grid-template-columns:repeat(2,1fr)}
  .contact-grid{grid-template-columns:1fr}
  .hero-specs-inner{grid-template-columns:1fr}
  .spec{border-left:none;border-top:1px solid var(--line);padding:1.1rem 0}
  .spec:first-child{border-top:none}
}
@media (max-width:1080px){
  /* Verfahrenslinie -> vertikal */
  .chain-axis{flex-wrap:wrap;gap:.5rem 1.2rem}
  .chain-steps{grid-template-columns:1fr;margin-left:.3rem;margin-top:1.4rem}
  .cstep{padding:0 0 1.7rem 1.8rem}
  .cstep::before{top:6px;bottom:0;left:0;right:auto;width:2px;height:auto}
  .cstep:last-child::before{height:12px;bottom:auto}
  .cstep::after{top:3px;left:-5px}
  .cstep h3{margin-top:.35rem}
  .cstep-temp{margin-top:.4rem}
}
@media (max-width:560px){
  .frac-grid{grid-template-columns:1fr}
  .grid-2{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr;gap:2rem}
  .facts{grid-template-columns:1fr}
  .datalist dd,.contact-lines dd{text-align:right}
  .reg-name{font-size:.92rem}
}

/* ============================================================
   MOTION
   ============================================================ */
@media (max-width:760px),(hover:none){
  .hero-light{animation:none}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms !important;animation-iteration-count:1 !important;transition-duration:.001ms !important;scroll-behavior:auto !important}
  .reveal{opacity:1 !important;transform:none !important}
  .hero-light{animation:none}
  .hero-bg{transform:none !important}
}