/* Wärmeprozessoptimierung – EnPrOpt GmbH
   Schriften lokal eingebunden (DSGVO: keine Verbindung zu Google-Servern). */
@font-face{font-family:"Instrument Sans";font-style:normal;font-weight:400 700;font-display:swap;src:url(../fonts/instrument-sans-latin-ext.woff2) format("woff2");unicode-range:U+0100-02BA,U+02BD-02C5,U+02C7-02CC,U+02CE-02D7,U+02DD-02FF,U+0304,U+0308,U+0329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C4,U+2113,U+2C60-2C7F,U+A720-A7FF}
@font-face{font-family:"Instrument Sans";font-style:normal;font-weight:400 700;font-display:swap;src:url(../fonts/instrument-sans-latin.woff2) format("woff2");unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}
@font-face{font-family:"JetBrains Mono";font-style:normal;font-weight:400 500;font-display:swap;src:url(../fonts/jetbrains-mono-latin-ext.woff2) format("woff2");unicode-range:U+0100-02BA,U+02BD-02C5,U+02C7-02CC,U+02CE-02D7,U+02DD-02FF,U+0304,U+0308,U+0329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C4,U+2113,U+2C60-2C7F,U+A720-A7FF}
@font-face{font-family:"JetBrains Mono";font-style:normal;font-weight:400 500;font-display:swap;src:url(../fonts/jetbrains-mono-latin.woff2) format("woff2");unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}

:root{
  --ink:#0f2a33;        /* deep petrol */
  --ink-2:#163a46;
  --ink-3:#24505e;
  --paper:#f6f4ef;
  --paper-2:#ece8df;
  --white:#ffffff;
  --text:#14262c;
  --muted:#5b6b70;
  --line:#d9d4c8;
  --hot:#e8603c;        /* hot streams */
  --hot-soft:#fbe3da;
  --cold:#2f8fb8;       /* cold streams */
  --cold-soft:#dcedf5;
  --accent:#e8603c;
  --radius:14px;
  --max:1180px;
  --mono:"JetBrains Mono",ui-monospace,Menlo,monospace;
  --sans:"Instrument Sans",system-ui,-apple-system,"Segoe UI",sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:76px}
body{margin:0;font-family:var(--sans);color:var(--text);background:var(--paper);font-size:17px;line-height:1.6;-webkit-font-smoothing:antialiased}
img,svg{max-width:100%;display:block}
a{color:inherit}
h1,h2,h3{line-height:1.15;margin:0 0 .5em;letter-spacing:-.015em}
h1{font-size:clamp(2.2rem,5.2vw,3.9rem);font-weight:600}
h2{font-size:clamp(1.8rem,3.4vw,2.6rem);font-weight:600}
h3{font-size:1.2rem;font-weight:600}
p{margin:0 0 1em}
.wrap{max-width:var(--max);margin:0 auto;padding:0 24px}
.eyebrow{font-family:var(--mono);font-size:.78rem;font-weight:400;line-height:1.5;letter-spacing:.12em;text-transform:uppercase;color:var(--accent);margin-bottom:14px;display:block}
.lead{font-size:1.18rem;color:var(--muted);max-width:62ch}
.intro{max-width:760px}
.mb-32{margin-bottom:32px}
section{padding:110px 0}
.btn{display:inline-flex;align-items:center;gap:.5em;padding:14px 24px;border-radius:999px;font-weight:600;text-decoration:none;border:1.5px solid transparent;cursor:pointer;font:inherit;font-weight:600;transition:transform .15s,background .15s}
.btn:hover{transform:translateY(-1px)}
.btn-primary{background:var(--accent);color:#fff}
.btn-primary:hover{background:#d4502e}
.btn-ghost{border-color:rgba(255,255,255,.35);color:#fff}
.btn-ghost:hover{background:rgba(255,255,255,.08)}
.btn-dark{background:var(--ink);color:#fff}
.btn:disabled{opacity:.6;cursor:wait}
.skip{position:absolute;left:-9999px;top:8px;z-index:100;background:#fff;color:var(--ink);padding:10px 16px;border-radius:8px}
.skip:focus{left:16px}

/* header */
header.site{position:fixed;inset:0 0 auto;z-index:50;transition:background .25s,box-shadow .25s}
header.site.scrolled,header.site.solid{background:rgba(15,42,51,.96);backdrop-filter:blur(8px);box-shadow:0 1px 0 rgba(255,255,255,.06)}
.nav{display:flex;align-items:center;justify-content:space-between;height:72px;color:#fff}
.brand{display:flex;align-items:center;gap:12px;text-decoration:none}
.brand-mark{width:34px;height:34px;flex:none}
.brand-name{font-weight:600;font-size:1.05rem;line-height:1.1}
.brand-name small{display:block;font-family:var(--mono);font-weight:400;font-size:.66rem;letter-spacing:.08em;opacity:.65;text-transform:uppercase}
.nav ul{display:flex;gap:28px;list-style:none;margin:0;padding:0;align-items:center}
.nav ul a{text-decoration:none;font-size:.95rem;opacity:.85}
.nav ul a:hover{opacity:1}
.nav ul a.btn{opacity:1}
.nav .btn{padding:10px 18px;font-size:.92rem}
.menu-btn{display:none;background:none;border:0;color:#fff;padding:8px;cursor:pointer}

/* Untermenü Pinch-Analyse */
.has-sub{position:relative;display:flex;align-items:center;gap:2px}
.sub-toggle{background:none;border:0;color:inherit;padding:4px;cursor:pointer;opacity:.85;display:grid;place-items:center;border-radius:6px}
.sub-toggle:hover{opacity:1}
.sub-toggle svg{transition:transform .2s}
.has-sub.open .sub-toggle svg{transform:rotate(180deg)}
.nav ul.sub{display:none;position:absolute;top:calc(100% + 14px);left:-14px;flex-direction:column;align-items:stretch;gap:2px;min-width:270px;background:var(--ink);border:1px solid rgba(255,255,255,.12);border-radius:12px;padding:8px;box-shadow:0 14px 34px rgba(0,0,0,.35)}
.has-sub::after{content:"";position:absolute;left:0;right:0;top:100%;height:16px}
.nav ul.sub a{display:block;padding:10px 12px;border-radius:8px;font-size:.92rem}
.nav ul.sub a:hover,.nav ul.sub a:focus-visible{background:rgba(255,255,255,.08);opacity:1}
.nav ul.sub a[aria-current=page]{text-decoration:none;background:rgba(255,255,255,.08);box-shadow:inset 3px 0 0 var(--hot)}
.has-sub.open>ul.sub{display:flex}
@media (min-width:1101px) and (hover:hover){
  .has-sub:hover>ul.sub,.has-sub:focus-within>ul.sub{display:flex}
}

/* hero */
.hero{background:var(--ink);color:#fff;padding:150px 0 90px;position:relative;overflow:hidden}
.hero-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:56px;align-items:center}
.hero p.lead{color:rgba(255,255,255,.75)}
.hero h1 em{font-style:normal;color:var(--hot)}
.hero-cta{display:flex;gap:14px;flex-wrap:wrap;margin-top:32px}
.hero-figure{margin:0;background:var(--ink-2);border:1px solid rgba(255,255,255,.08);border-radius:20px;padding:22px 22px 14px}
.hero-figure figcaption{font-family:var(--mono);font-size:.72rem;color:rgba(255,255,255,.55);display:flex;justify-content:space-between;gap:12px;margin-top:8px}
.hero-figure text{font-family:var(--mono)}
.hero-stats{display:grid;grid-template-columns:repeat(4,1fr);gap:0;margin-top:72px;border-top:1px solid rgba(255,255,255,.12)}
.hero-stats div{padding:26px 22px 0 0}
.hero-stats strong{display:block;font-family:var(--mono);font-weight:500;font-size:clamp(1.5rem,2.6vw,2.1rem);color:#fff;letter-spacing:-.02em}
.hero-stats span{font-size:.9rem;color:rgba(255,255,255,.62)}
.draw path.curve{stroke-dasharray:900;stroke-dashoffset:900;animation:draw 2.2s ease-out forwards}
.draw path.curve.c2{animation-delay:.5s}
@keyframes draw{to{stroke-dashoffset:0}}
@media (prefers-reduced-motion:reduce){.draw path.curve{animation:none;stroke-dashoffset:0}html{scroll-behavior:auto}}

/* problem/why */
.why-grid{display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:start}
.why-list{display:grid;gap:18px;margin-top:8px}
.why-item{display:grid;grid-template-columns:44px 1fr;gap:16px;padding:20px;background:var(--white);border:1px solid var(--line);border-radius:var(--radius)}
.why-item .ic{width:44px;height:44px;border-radius:10px;display:grid;place-items:center;background:var(--hot-soft);color:var(--hot)}
.why-item:nth-child(2) .ic{background:var(--cold-soft);color:var(--cold)}
.why-item:nth-child(3) .ic{background:#e3eee6;color:#3d7a52}
.why-item h3{margin-bottom:4px;font-size:1.05rem}
.why-item p{margin:0;color:var(--muted);font-size:.96rem}

/* pinch explainer */
.pinch{background:var(--white);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.pinch-head{display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:end;margin-bottom:48px}
.lab{display:grid;grid-template-columns:1.45fr .55fr;gap:28px;background:var(--paper);border:1px solid var(--line);border-radius:20px;padding:28px}
.lab svg text{font-family:var(--mono);font-size:11px;fill:var(--muted)}
.lab-side{display:flex;flex-direction:column;gap:18px}
.lab-side label{font-weight:600;font-size:.95rem;display:flex;justify-content:space-between;align-items:baseline;gap:12px}
.lab-side label output{white-space:nowrap;font-family:var(--mono);color:var(--accent)}
input[type=range]{width:100%;accent-color:var(--accent)}
.kpi{background:var(--white);border:1px solid var(--line);border-radius:12px;padding:14px 16px}
.kpi span{display:block;font-size:.8rem;color:var(--muted)}
.kpi strong{font-family:var(--mono);font-weight:500;font-size:1.35rem}
.kpi.h strong{color:var(--hot)}
.kpi.c strong{color:var(--cold)}
.kpi.r strong{color:#3d7a52}
.lab-note{font-size:.85rem;color:var(--muted);margin:0}
.rules{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:40px}
.rule{padding:24px;border-radius:var(--radius);border:1px solid var(--line);background:var(--paper)}
.rule b{font-family:var(--mono);font-weight:500;color:var(--accent);font-size:.8rem;display:block;margin-bottom:8px}
.rule p{margin:0;color:var(--muted);font-size:.96rem}

/* possibilities */
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:48px}
.card{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);padding:28px;display:flex;flex-direction:column;gap:10px;transition:border-color .2s,transform .2s}
.card:hover{border-color:var(--ink-3);transform:translateY(-2px)}
.card .num{font-family:var(--mono);font-size:.78rem;color:var(--accent)}
.card p{color:var(--muted);margin:0;font-size:.97rem}
.industries{display:flex;flex-wrap:wrap;gap:10px;margin:40px 0 0;padding:0;list-style:none}
.industries li{padding:8px 16px;border-radius:999px;border:1px solid var(--line);background:var(--white);font-size:.92rem}

/* process */
.process{background:var(--ink);color:#fff}
.process .lead{color:rgba(255,255,255,.7)}
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:0;margin:56px 0 0;padding:0;list-style:none}
.step{padding:28px 26px 30px;border-left:1px solid rgba(255,255,255,.14);position:relative}
.step:first-child{border-left:0;padding-left:0}
.step .k{font-family:var(--mono);font-size:.78rem;color:var(--hot);letter-spacing:.08em}
.step h3{margin:10px 0 10px}
.step p{color:rgba(255,255,255,.7);font-size:.95rem}
.step ul{list-style:none;margin:0;padding:0;font-size:.9rem;color:rgba(255,255,255,.85)}
.step li{padding:7px 0;border-top:1px solid rgba(255,255,255,.08)}
.bar{height:4px;border-radius:4px;background:rgba(255,255,255,.1);margin-top:56px;position:relative;overflow:hidden}
.bar i{position:absolute;inset:0;background:linear-gradient(90deg,var(--cold),var(--hot));transform:scaleX(0);transform-origin:left;transition:transform 1.6s ease}
.bar i.go,html:not(.js) .bar i{transform:scaleX(1)}

/* references */
.refs{display:grid;grid-template-columns:repeat(2,1fr);gap:20px;margin-top:48px}
.ref{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);padding:30px;display:grid;grid-template-columns:auto 1fr;gap:6px 24px}
.ref .big{grid-row:span 3;font-family:var(--mono);font-weight:500;font-size:2.3rem;line-height:1;color:var(--ink);min-width:118px;letter-spacing:-.03em}
.ref .big small{display:block;font-family:var(--sans);font-size:.78rem;color:var(--muted);letter-spacing:0;margin-top:8px;font-weight:400;max-width:120px;line-height:1.35}
.ref .tag{font-family:var(--mono);font-size:.72rem;letter-spacing:.06em;text-transform:uppercase;color:var(--accent)}
.ref h3{margin:0}
.ref p{margin:0;color:var(--muted);font-size:.96rem}
.ref.feature{grid-column:span 2;background:var(--ink);color:#fff;border-color:var(--ink)}
.ref.feature .big{color:var(--hot)}
.ref.feature .big small,.ref.feature p{color:rgba(255,255,255,.72)}
.pubs{margin-top:48px;display:grid;grid-template-columns:.4fr .6fr;gap:40px;padding-top:40px;border-top:1px solid var(--line)}
.pubs ul{list-style:none;margin:0;padding:0}
.pubs li{padding:12px 0;border-bottom:1px solid var(--line);display:grid;grid-template-columns:80px 1fr;gap:16px;font-size:.95rem}
.pubs li time{font-family:var(--mono);font-size:.8rem;color:var(--muted)}

/* calculator */
.calc{background:var(--paper-2)}
.calc-box{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center}
.calc-in{display:grid;gap:22px}
.calc-in label{font-weight:600;font-size:.95rem;display:flex;justify-content:space-between}
.calc-in label output{font-family:var(--mono);font-weight:500}
.calc-out{background:var(--ink);color:#fff;border-radius:20px;padding:36px}
.calc-out .row{display:flex;justify-content:space-between;align-items:baseline;padding:14px 0;border-bottom:1px solid rgba(255,255,255,.12)}
.calc-out .row:last-of-type{border:0}
.calc-out .row span{color:rgba(255,255,255,.7);font-size:.95rem}
.calc-out .row strong{font-family:var(--mono);font-weight:500;font-size:1.5rem}
.calc-out .hint{font-size:.8rem;color:rgba(255,255,255,.5);margin:14px 0 22px}

/* faq */
.faq{background:var(--white);border-top:1px solid var(--line)}
.faq-grid{display:grid;grid-template-columns:.8fr 1.2fr;gap:64px}
.faq-list{border-top:1px solid var(--line)}
.faq details{border-bottom:1px solid var(--line);padding:4px 0}
.faq summary{cursor:pointer;list-style:none;display:flex;justify-content:space-between;gap:20px;padding:18px 0;font-weight:600;font-size:1.05rem}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";font-family:var(--mono);color:var(--accent);font-size:1.3rem;line-height:1}
.faq details[open] summary::after{content:"–"}
.faq details p{color:var(--muted);margin:0 0 18px;max-width:68ch}

/* team */
.team-grid{display:grid;grid-template-columns:.8fr 1.2fr;gap:64px}
.people{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.person{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);padding:28px}
.person .photo{width:104px;height:104px;border-radius:50%;object-fit:cover;margin-bottom:18px;background:var(--paper-2);box-shadow:0 0 0 4px var(--paper),0 0 0 5px var(--line)}
.person .role{font-family:var(--mono);font-size:.74rem;color:var(--accent);text-transform:uppercase;letter-spacing:.06em;margin-bottom:12px;display:block}
.person p{color:var(--muted);font-size:.94rem;margin:0}
.certs{display:grid;gap:12px;margin-top:28px}
.cert{display:flex;gap:14px;align-items:flex-start;font-size:.95rem}
.cert svg{flex:none;color:#3d7a52;margin-top:3px}

/* contact */
.contact{background:var(--ink);color:#fff}
.contact-grid{display:grid;grid-template-columns:.8fr 1.2fr;gap:64px}
.contact .lead{color:rgba(255,255,255,.72)}
.contact-direct{margin-top:36px;display:grid;gap:16px}
.contact-direct a{text-decoration:none;display:flex;gap:14px;align-items:center;font-size:1.05rem}
.contact-direct small{display:block;color:rgba(255,255,255,.55);font-size:.8rem}
.contact-direct .ic{width:44px;height:44px;border-radius:50%;border:1px solid rgba(255,255,255,.2);display:grid;place-items:center}
.expect{margin-top:40px;padding-top:28px;border-top:1px solid rgba(255,255,255,.12)}
.expect ol{margin:0;padding-left:20px;color:rgba(255,255,255,.75);font-size:.95rem}
.expect li{margin-bottom:8px}
form.cf{background:var(--white);color:var(--text);border-radius:20px;padding:36px;display:grid;grid-template-columns:1fr 1fr;gap:18px 20px;position:relative}
.f{display:flex;flex-direction:column;gap:6px}
.f.full{grid-column:1/-1}
.f label,.f legend{font-size:.88rem;font-weight:600}
.opt{font-weight:400;color:var(--muted)}
.f input,.f select,.f textarea{font:inherit;font-size:.98rem;padding:12px 14px;border:1.5px solid var(--line);border-radius:10px;background:var(--paper);color:var(--text);width:100%}
.f input:focus,.f select:focus,.f textarea:focus{outline:none;border-color:var(--ink-3);background:#fff}
.f textarea{min-height:120px;resize:vertical}
fieldset.f{border:0;padding:0;margin:0;min-width:0}
.chips{display:flex;flex-wrap:wrap;gap:8px;margin-top:4px}
.chips label{position:relative;font-weight:500;cursor:pointer}
.chips input{position:absolute;opacity:0;pointer-events:none;width:auto}
.chips span{display:inline-block;padding:8px 14px;border-radius:999px;border:1.5px solid var(--line);font-size:.9rem;background:var(--paper);transition:all .15s}
.chips input:checked+span{background:var(--ink);border-color:var(--ink);color:#fff}
.chips input:focus-visible+span{outline:2px solid var(--accent);outline-offset:2px}
.consent{display:flex;flex-direction:row;grid-column:1/-1;gap:10px;align-items:flex-start;font-size:.86rem;color:var(--muted)}
.consent input{margin-top:4px;accent-color:var(--ink);width:auto;flex:none}
.hp{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}
.form-foot{grid-column:1/-1;display:flex;justify-content:space-between;align-items:center;gap:16px;flex-wrap:wrap}
.form-foot small{color:var(--muted)}
.form-msg{grid-column:1/-1;padding:16px 18px;border-radius:10px;display:none;font-size:.95rem}
.form-msg.ok{display:block;background:#e3eee6;color:#24553a}
.form-msg.err{display:block;background:var(--hot-soft);color:#8a2f17}

footer{background:#0a1e24;color:rgba(255,255,255,.6);padding:40px 0;font-size:.88rem}
.foot{display:flex;justify-content:space-between;gap:24px;flex-wrap:wrap}
.foot>span:last-child{display:flex;flex-wrap:wrap;gap:4px 20px}
.foot a{text-decoration:none}
.foot a:hover{color:#fff}

/* subpages */
.nav ul a[aria-current=page]{opacity:1;text-decoration:underline;text-underline-offset:6px;text-decoration-color:var(--hot)}
.page-hero{background:var(--ink);color:#fff;padding:140px 0 80px}
.page-hero h1{font-size:clamp(2rem,4.4vw,3.3rem);max-width:22ch}
.page-hero .lead{color:rgba(255,255,255,.75)}
.crumbs{font-family:var(--mono);font-size:.75rem;color:rgba(255,255,255,.55);display:flex;gap:10px;margin-bottom:28px}
.crumbs a{text-decoration:none}
.crumbs a:hover{color:#fff}
.split{display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:center}
.split.top{align-items:start}
.prose{max-width:68ch}
.prose p,.prose li{color:var(--muted)}
.prose h3{margin-top:28px}
.prose ul{padding-left:20px}
.prose li{margin-bottom:6px}
.prose strong{color:var(--text)}
.figure{margin:0;background:var(--white);border:1px solid var(--line);border-radius:20px;padding:24px}
.figure svg text{font-family:var(--mono);font-size:12px;fill:var(--muted)}
.figure figcaption{font-size:.85rem;color:var(--muted);margin-top:12px}
.tbl-wrap{overflow-x:auto;margin-top:32px;border:1px solid var(--line);border-radius:var(--radius);background:var(--white)}
.tbl{width:100%;border-collapse:collapse;font-size:.94rem}
.tbl th,.tbl td{text-align:left;padding:14px 18px;border-bottom:1px solid var(--line);vertical-align:top}
.tbl th{font-family:var(--mono);font-weight:500;font-size:.74rem;letter-spacing:.06em;text-transform:uppercase;color:var(--accent);background:var(--paper)}
.tbl tr:last-child td{border-bottom:0}
.tbl td:first-child{font-weight:600;white-space:nowrap}
.tbl td{color:var(--muted)}
.tbl td:first-child{color:var(--text)}
.alt{background:var(--white);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.more{display:inline-flex;gap:.4em;align-items:center;font-weight:600;color:var(--accent);text-decoration:none;margin-top:8px}
.more:hover{text-decoration:underline}
.process .more{color:var(--hot)}
.cta-band{padding:90px 0}
.cta-inner{display:flex;justify-content:space-between;align-items:center;gap:40px;flex-wrap:wrap}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap}
.note{font-size:.85rem;color:var(--muted);margin-top:24px}
.rules.rules-stack{grid-template-columns:1fr;margin-top:0}
.ladder{display:grid;gap:14px;margin:0;padding:0;list-style:none;counter-reset:l}
.ladder li{display:grid;grid-template-columns:52px 1fr;gap:18px;align-items:start;background:var(--white);border:1px solid var(--line);border-radius:var(--radius);padding:20px 22px}
.ladder li::before{counter-increment:l;content:counter(l);width:52px;height:52px;border-radius:12px;display:grid;place-items:center;font-family:var(--mono);font-size:1.2rem;color:#fff;background:var(--cold)}
.ladder li:nth-child(2)::before{background:#3d7a52}
.ladder li:nth-child(3)::before{background:var(--accent)}
.ladder li:nth-child(4)::before{background:var(--ink)}
.ladder h3{margin:2px 0 4px;font-size:1.08rem}
.ladder p{margin:0;color:var(--muted);font-size:.96rem}

/* sehr schmale Handys (z. B. iPhone SE 1. Gen.) */
@media (max-width:360px){
  .brand{gap:9px}
  .brand-mark{width:30px;height:30px}
  .brand-name{font-size:.94rem}
  .menu-btn{padding:6px}
}

/* legal pages */
.legal{padding:140px 0 90px}
.legal .wrap{max-width:820px}
.legal h1{font-size:clamp(2rem,4vw,2.8rem)}
.legal h2{font-size:1.35rem;margin:44px 0 10px}
.legal h3{font-size:1.08rem;margin:28px 0 8px}
.legal p,.legal li{color:#3a4a4f}
.legal .todo{background:var(--hot-soft);border-radius:10px;padding:14px 18px;color:#8a2f17}

/* reveal (nur mit aktivem JavaScript ausgeblendet) */
.js .rv{opacity:0;transform:translateY(16px);transition:opacity .7s,transform .7s}
.js .rv.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){.js .rv{opacity:1;transform:none}}

/* Navigation: Burger-Menü bis 1100 px (Tablets quer eingeschlossen), damit Logo und Menü nicht kollidieren */
@media (max-width:1100px){
  .nav ul{display:none}
  .menu-btn{display:block}
  .nav ul.open{display:flex;position:absolute;top:72px;left:0;right:0;flex-direction:column;background:var(--ink);padding:20px 24px 28px;gap:18px;align-items:flex-start;max-height:calc(100vh - 72px);overflow-y:auto}
  .nav ul.open a{padding:6px 0}
  .has-sub{flex-wrap:wrap;width:100%}
  .has-sub::after{display:none}
  .nav ul.sub{position:static;width:100%;min-width:0;background:none;border:0;box-shadow:none;padding:8px 0 0 14px;border-left:2px solid rgba(255,255,255,.15);border-radius:0;margin-top:8px}
  .sub-toggle{padding:10px}
}
#menu>li>a{white-space:nowrap}

@media (max-width:980px){
  section{padding:80px 0}
  .hero-grid,.why-grid,.pinch-head,.lab,.calc-box,.team-grid,.contact-grid,.pubs,.faq-grid,.split{grid-template-columns:1fr;gap:36px}
  .page-hero{padding:120px 0 64px}
  .refs{grid-template-columns:repeat(2,minmax(0,1fr))}
  .ref:not(.feature){grid-template-columns:minmax(0,1fr)}
  .ref:not(.feature) .big{grid-row:auto;margin-bottom:8px}
  .cards,.rules{grid-template-columns:1fr 1fr}
  .steps{grid-template-columns:1fr 1fr}
  .step:nth-child(3){border-left:0;padding-left:0}
  .hero-stats{grid-template-columns:1fr 1fr}
  .lab-side{display:grid;grid-template-columns:1fr 1fr}
  .lab-side>label,.lab-side>input,.lab-side>.lab-note{grid-column:1/-1}
}
@media (max-width:640px){
  body{font-size:16px}
  .wrap{padding:0 16px}
  .cards,.rules,.refs,.people,.steps{grid-template-columns:minmax(0,1fr)}
  .ref.feature{grid-column:auto}
  .ref{grid-template-columns:1fr}
  .ref .big{grid-row:auto;margin-bottom:8px}
  .step{border-left:0;padding-left:0;border-top:1px solid rgba(255,255,255,.14)}
  form.cf{grid-template-columns:1fr;padding:24px}
  .hero{padding-top:120px}
  .lab{padding:16px}
  .pubs li{grid-template-columns:1fr;gap:2px}
  .lab-side{grid-template-columns:1fr}
  .lab svg text{font-size:20px}
  .figure svg text{font-size:17px}
  h1,h2,h3{hyphens:manual;overflow-wrap:break-word}
  .page-hero h1{font-size:1.85rem}
  .foot>span:last-child a{padding:8px 0}
  .consent input{width:20px;height:20px;margin-top:1px}
  input[type=range]{height:32px}
  .nav ul.open a{padding:6px 0}
  .sub-toggle{padding:10px}
}