/* ==========================================================================
   SK EnerTech – gemeinsames Stylesheet
   Inhalt: Design-Tokens · Grundlagen · Buttons · Kontaktleiste/Header · Hero ·
           Einsatzgebiet · Zielgruppen · Leistungen · Über uns · Werte ·
           Ablauf · Referenzen · Kundenstimme/Marken · Kontakt · Footer · Promo
   ========================================================================== */

/* Versteckte Elemente immer ausblenden (wird per JS über el.hidden gesteuert) */
[hidden]{display:none!important}
/* Layout: helles, luftiges Raster mit Gelb als Markierungsfarbe; Schwarz nur als Akzentband (Werte) und im Footer */
:root{
  --bg:#F5F5F2;          /* helles Grundpapier */
  --surface:#FFFFFF;
  --line:#E3E2DC;
  --ink:#1D1D1D;         /* SK-Schwarz */
  --ink-2:#434341;       /* SK-Anthrazit */
  --muted:#6A6A66;
  --yellow:#FFBA01;      /* SK-Gelb */
  --yellow-soft:#FFF3CC;
  --black:#000000;
  --dark:#141414;        /* Kopfbereich */
  --dark-line:#2C2C2A;
  --on-dark:#F2F2EE;
  --on-dark-muted:#A9A9A3;
  --f-display:"Archivo","Arial Narrow",Arial,sans-serif;
  --f-body:"Figtree",system-ui,-apple-system,"Segoe UI",sans-serif;
  --wrap:1200px;
  --gutter:clamp(16px,4vw,40px);
  --radius:10px;
  color-scheme:light;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
/* Sprungziele nicht unter dem festen Header verstecken */
[id]{scroll-margin-top:84px}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important;animation:none!important}}
body{margin:0;background:var(--bg);color:var(--ink);font:400 1.0625rem/1.65 var(--f-body);-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
.sprite{display:none}
a{color:inherit}
h1,h2,h3{overflow-wrap:break-word;font-family:var(--f-display);font-stretch:112%;line-height:1.05;margin:0;text-wrap:balance;letter-spacing:-.01em}
h1{font-size:clamp(2.1rem,4.6vw,3.8rem);font-weight:850}
h2{font-size:clamp(1.8rem,3.6vw,2.9rem);font-weight:800}
h3{font-size:1.25rem;font-weight:750;font-stretch:105%}
p{margin:0}
.wrap{max-width:var(--wrap);margin-inline:auto;padding-inline:var(--gutter)}
.section{padding-block:clamp(64px,9vw,120px)}
.eyebrow{display:inline-flex;align-items:center;gap:10px;font:700 .8rem/1 var(--f-body);letter-spacing:.08em;text-transform:uppercase;color:var(--ink-2)}
.eyebrow::before{content:"";width:22px;height:3px;background:var(--yellow)}
.mark{background:linear-gradient(transparent 58%,var(--yellow) 58%,var(--yellow) 92%,transparent 92%);padding-inline:.06em}
.lead{font-size:1.15rem;color:var(--ink-2);max-width:60ch}
.sec-head{display:grid;gap:16px;max-width:760px;margin-bottom:clamp(36px,5vw,56px)}
.btn{display:inline-flex;align-items:center;gap:10px;font:700 1rem/1 var(--f-body);text-decoration:none;padding:16px 24px;border-radius:999px;border:2px solid transparent;cursor:pointer;transition:transform .15s,background .15s,border-color .15s}
.btn:hover{transform:translateY(-1px)}
.btn:focus-visible,a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible{outline:3px solid var(--ink);outline-offset:3px}
.btn-primary{background:var(--yellow);color:var(--black)}
.btn-primary:hover{background:#FFC72E}
.btn-ghost{border-color:var(--ink);color:var(--ink);background:transparent}
.btn-ghost:hover{background:var(--ink);color:var(--surface)}
.arrow{transition:transform .15s}.btn:hover .arrow{transform:translateX(3px)}

/* Topbar + Header */
.topbar{background:var(--black);color:var(--on-dark-muted);font-size:.85rem}
.topbar .wrap{display:flex;justify-content:space-between;align-items:center;gap:16px;padding-block:9px;flex-wrap:nowrap;white-space:nowrap}
.topbar a{text-decoration:none;color:var(--on-dark);display:inline-flex;align-items:center;gap:7px}
.topbar a svg{flex:none;opacity:.85}
.topbar a:hover{color:var(--yellow)}
.topbar .tb-links{display:flex;gap:22px;margin-left:auto}
.header{position:sticky;top:env(safe-area-inset-top,0px);z-index:50;background:rgba(20,20,20,.94);backdrop-filter:blur(10px);border-bottom:1px solid var(--dark-line);transition:background .25s,border-color .25s,box-shadow .25s}
.header .wrap{display:flex;align-items:center;justify-content:space-between;gap:24px;padding-block:16px}
.logo img{height:30px;width:auto}
/* Zwei Logo-Varianten: hell auf dunkler Leiste, dunkel auf weißer Leiste */
.logo{display:inline-flex}
.logo .logo-dunkel{display:none}
.nav{display:flex;align-items:center;gap:28px}
.nav a{text-decoration:none;font-weight:600;font-size:.97rem;color:var(--on-dark-muted)}
.nav a:not(.btn):hover{color:var(--on-dark);box-shadow:inset 0 -3px 0 var(--yellow)}
.nav .btn{padding:12px 20px;color:var(--black)}
.burger{display:none;background:none;border:0;padding:8px;cursor:pointer}
.burger span{display:block;width:24px;height:2px;background:var(--on-dark);margin:5px 0}
@media (max-width:960px){
  .burger{display:block}
  .nav{position:absolute;inset:100% 0 auto 0;flex-direction:column;align-items:stretch;gap:0;background:var(--dark);border-bottom:1px solid var(--dark-line);padding:8px var(--gutter) 20px}
  .nav a{padding:14px 0;border-bottom:1px solid var(--dark-line)}
  .nav .btn{margin-top:16px;justify-content:center;border-bottom:0}
  .nav:not(.open){display:none}
}

/* Hero */
.hero{overflow-x:clip;background:var(--dark);color:var(--on-dark);padding-block:clamp(40px,6vw,80px) clamp(56px,7vw,96px)}
.hero .wrap{display:grid;grid-template-columns:1.05fr .95fr;gap:clamp(32px,5vw,72px);align-items:center}
.hero-copy{display:grid;gap:26px;min-width:0}
.hero-sub{margin-top:-12px;font:700 clamp(1.05rem,1.8vw,1.3rem)/1.3 var(--f-display);font-stretch:108%;color:var(--on-dark-muted)}
.hero .lead{color:var(--on-dark-muted)}
.hero h1 .mark{background:none;color:var(--yellow);padding:0}
.hero .btn-ghost{border-color:var(--on-dark);color:var(--on-dark)}
.hero .btn-ghost:hover{background:var(--on-dark);color:var(--ink)}
.hero :focus-visible{outline-color:var(--yellow)}
.pill{justify-self:start;display:inline-flex;align-items:center;gap:10px;border:1px solid var(--dark-line);background:rgba(255,255,255,.04);border-radius:999px;padding:8px 16px;font-size:.85rem;font-weight:600;color:var(--on-dark-muted)}
.pill svg{flex:none}
.checks{list-style:none;padding:0;margin:0;display:grid;gap:10px}
.checks li{display:flex;gap:12px;align-items:flex-start;font-weight:600}
.checks svg{flex:none;margin-top:4px}
.cta-row{display:flex;gap:14px;flex-wrap:wrap}
.hero-media{position:relative;min-width:0}
/* height:auto nötig, sonst überschreibt das height-Attribut im HTML das Seitenverhältnis */
.hero-media img{width:100%;height:auto;aspect-ratio:4/4.6;object-fit:cover;border-radius:var(--radius)}
.hero-media::before{content:"";position:absolute;inset:-14px -14px 40px 40px;border:3px solid var(--yellow);border-radius:var(--radius);z-index:-1}
.spec{position:absolute;left:-24px;bottom:28px;background:var(--surface);color:var(--ink);border-radius:var(--radius);padding:18px 20px;box-shadow:0 18px 40px rgba(0,0,0,.35);display:grid;gap:4px;max-width:260px}
.spec small{font:700 .72rem/1 var(--f-body);letter-spacing:.08em;text-transform:uppercase;color:var(--muted)}
.spec strong{font:800 1.05rem/1.25 var(--f-display);font-stretch:108%}
@media (max-width:900px){.hero .wrap{grid-template-columns:minmax(0,1fr)}.hero-media img{aspect-ratio:4/3}.spec{left:12px}.hero-media::before{inset:-10px -6px 30px 30px}}


/* Zielgruppen */
.audiences{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
/* Kachel: Foto als Hintergrund, Text auf hellem Milchglas-Kasten */
.aud{position:relative;border-radius:var(--radius);overflow:hidden;display:flex;flex-direction:column;padding-top:clamp(150px,15vw,190px);color:var(--ink);text-decoration:none;isolation:isolate}
.aud img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:-2;transition:transform .5s}
.aud::after{content:"";position:absolute;inset:0;z-index:-1;background:linear-gradient(180deg,rgba(0,0,0,0) 50%,rgba(0,0,0,.3) 100%)}
.aud:hover img{transform:scale(1.04)}
/* gleich hohe Kästen mit gleicher Oberkante; Link immer unten */
.aud-body{flex:1;margin:12px;padding:22px 22px 20px;display:flex;flex-direction:column;gap:10px;background:rgba(255,255,255,.62);-webkit-backdrop-filter:blur(5px) saturate(1.2);backdrop-filter:blur(5px) saturate(1.2);border-radius:8px;box-shadow:0 10px 30px rgba(0,0,0,.18);transition:background .2s}
.aud:hover .aud-body{background:rgba(255,255,255,.78)}
.aud-tag{justify-self:start;background:var(--yellow);color:var(--black);font:700 .72rem/1 var(--f-body);letter-spacing:.08em;text-transform:uppercase;padding:6px 10px;border-radius:4px}
.aud h3{font-size:1.5rem}
.aud p{color:var(--ink);font-size:.98rem}
.aud-tag{align-self:flex-start}
.aud .more{font-weight:700;display:flex;gap:8px;align-items:center;margin-top:auto;padding-top:4px;align-self:flex-start;box-shadow:inset 0 -2px 0 var(--yellow)}
@media (max-width:900px){.audiences{grid-template-columns:minmax(0,1fr)}}

/* Leistungen */
.services-sec{background:var(--surface)}
/* Zwei Bereiche (Handwerke) als große Felder */
.worlds{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}
.world{border-radius:14px;padding:clamp(26px,4vw,44px);display:grid;gap:26px;grid-template-rows:auto 1fr auto}
.world-dark{background:var(--dark);color:var(--on-dark)}
.world-light{background:var(--bg);border:1px solid var(--line)}
.world-head{display:grid;gap:10px}
.world-icon{width:54px;height:54px;border-radius:12px;background:var(--yellow);display:grid;place-items:center;margin-bottom:6px}
.world-trade{font-size:.8rem;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--muted)}
.world-dark .world-trade{color:var(--on-dark-muted)}
.world h3{font-size:clamp(1.7rem,2.8vw,2.3rem);font-stretch:112%}
.world-head p{color:var(--ink-2)}
.world-dark .world-head p{color:var(--on-dark-muted)}
.world-groups{display:grid;gap:20px;align-content:start}
.wgroup h4{margin:0 0 8px;font-size:.85rem;font-weight:700;letter-spacing:.08em;text-transform:uppercase}
.world-dark .wgroup h4{color:var(--yellow)}
.wgroup ul{list-style:none;margin:0;padding:0;display:grid;gap:6px;color:var(--ink-2)}
.world-dark .wgroup ul{color:var(--on-dark)}
.wgroup li{display:flex;gap:10px}
.wgroup li::before{content:"";flex:none;width:6px;height:6px;margin-top:.62em;background:var(--yellow);border-radius:1px}
.wgroup a{color:inherit;font-weight:600;text-decoration:none;box-shadow:inset 0 -2px 0 var(--yellow)}
.world-cta{display:flex;flex-wrap:wrap;gap:12px}
.world-dark .btn-ghost{border-color:var(--on-dark);color:var(--on-dark)}
.world-dark .btn-ghost:hover{background:var(--on-dark);color:var(--ink)}
.world-dark :focus-visible{outline-color:var(--yellow)}

/* Verbindung „Aus einer Hand" */
.onehand{margin-top:20px;background:var(--yellow);border-radius:14px;padding:clamp(24px,3.5vw,36px);display:grid;grid-template-columns:1.1fr 1fr 1fr;gap:20px 32px;align-items:start}
.onehand .eyebrow{color:var(--black)}
.onehand .eyebrow::before{background:var(--black)}
.onehand-head{display:grid;gap:10px}
.onehand h3{font-size:clamp(1.3rem,2.2vw,1.6rem)}
.onehand-item{display:grid;gap:6px;border-top:2px solid rgba(0,0,0,.25);padding-top:14px}
.onehand-item h4{margin:0;font-size:1.05rem;font-weight:700}
.onehand-item p{font-size:.97rem}
@media (max-width:960px){.worlds{grid-template-columns:minmax(0,1fr)}.onehand{grid-template-columns:minmax(0,1fr)}}

/* Über uns */
.about .wrap{display:grid;grid-template-columns:.95fr 1.05fr;gap:clamp(32px,6vw,80px);align-items:center}
.about-media{position:relative;min-width:0}
.about-media img{border-radius:var(--radius);width:100%;aspect-ratio:14/10;object-fit:cover}
.about-copy{display:grid;gap:22px;min-width:0}
/* Kennzahlen als 2×2-Raster; tabellarische Ziffern, damit beim Hochzählen nichts springt */
.facts{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px 16px;margin-top:8px}
.fact{border-top:3px solid var(--yellow);padding-top:14px;display:grid;gap:4px}
.fact strong{font:800 clamp(1.8rem,3vw,2.4rem)/1.1 var(--f-display);font-stretch:112%;font-variant-numeric:tabular-nums}
.fact span{font-size:.9rem;color:var(--muted)}
/* Aufzählung aller Leistungen unter den Kennzahlen */
.trades-groups{display:grid;gap:14px;margin-top:6px}
.trades-label{font-size:.8rem;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--muted);margin:0 0 8px}
.trades{list-style:none;margin:0;padding:0;display:flex;flex-wrap:wrap;gap:8px}
.trades li{background:var(--surface);border:1px solid var(--line);border-radius:999px;padding:7px 14px;font-size:.88rem;font-weight:600;color:var(--ink-2)}
@media (max-width:900px){.about .wrap{grid-template-columns:minmax(0,1fr)}}

/* Werte – das eine schwarze Band */
.values{background:var(--black);color:var(--on-dark)}
.values .eyebrow{color:var(--on-dark-muted)}
.values-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:clamp(20px,3vw,40px)}
.value{display:grid;gap:14px;padding-top:24px;border-top:1px solid #333}
.value h3{font-size:clamp(1.4rem,2.4vw,1.9rem);font-stretch:115%}
.value h3 em{font-style:normal;color:var(--yellow)}
.value p{color:var(--on-dark-muted)}
@media (max-width:820px){.values-grid{grid-template-columns:minmax(0,1fr)}}

/* Ablauf */
.steps{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(5,1fr);gap:20px;counter-reset:s}
.step{position:relative;display:grid;gap:10px;align-content:start;counter-increment:s;padding-top:64px}
.step::before{content:counter(s);position:absolute;top:0;left:0;width:46px;height:46px;border-radius:50%;background:var(--surface);border:2px solid var(--ink);display:grid;place-items:center;font:800 1.1rem/1 var(--f-display)}
.step:first-child::before{background:var(--yellow);border-color:var(--yellow)}
.step::after{content:"";position:absolute;top:23px;left:58px;right:-8px;height:2px;background:repeating-linear-gradient(90deg,var(--line) 0 8px,transparent 8px 14px)}
.step:last-child::after{display:none}
.step p{color:var(--ink-2);font-size:.97rem}
@media (max-width:960px){.steps{grid-template-columns:minmax(0,1fr);gap:28px}.step{padding:4px 0 0 66px}.step::after{top:56px;left:22px;right:auto;width:2px;height:calc(100% - 30px);background:repeating-linear-gradient(180deg,var(--line) 0 8px,transparent 8px 14px)}}

/* Referenzen */
.refs-sec{background:var(--surface)}
.refs{display:grid;grid-template-columns:repeat(4,1fr);grid-auto-rows:240px;gap:16px}
.ref{position:relative;border-radius:var(--radius);overflow:hidden;margin:0}
.ref.big{grid-column:span 2;grid-row:span 2}
.ref img{width:100%;height:100%;object-fit:cover;transition:transform .5s}
.ref:hover img{transform:scale(1.04)}
.ref figcaption{position:absolute;left:12px;bottom:12px;right:12px;background:rgba(255,255,255,.95);border-radius:8px;padding:10px 14px;display:grid;gap:2px}
.ref figcaption small{font:700 .7rem/1 var(--f-body);letter-spacing:.08em;text-transform:uppercase;color:var(--muted)}
.ref figcaption b{font-size:.95rem}
@media (max-width:900px){.refs{grid-template-columns:repeat(2,1fr);grid-auto-rows:200px}}
@media (max-width:520px){.refs{grid-template-columns:minmax(0,1fr)}.ref.big{grid-column:auto;grid-row:span 1}}

/* Stimme + Marken */
.voice .wrap{display:grid;grid-template-columns:1.3fr .7fr;gap:clamp(32px,6vw,80px);align-items:center}
blockquote{margin:0;display:grid;gap:22px}
blockquote p{font:700 clamp(1.35rem,2.6vw,2rem)/1.3 var(--f-display);font-stretch:104%;text-wrap:balance}
blockquote p::before{content:"„";color:var(--yellow);font-size:1.6em;line-height:0;vertical-align:-.35em;margin-right:.06em}
.stars{display:flex;gap:4px}
blockquote footer{color:var(--muted);font-size:.95rem}
.brands{display:grid;gap:18px}
.brands-row{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}
.brand{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);height:92px;display:grid;place-items:center;padding:16px}
.brand img{max-height:52px;width:auto;object-fit:contain;filter:grayscale(1);opacity:.8;transition:filter .2s,opacity .2s}
.brand:hover img{filter:none;opacity:1}
@media (max-width:900px){.voice .wrap{grid-template-columns:minmax(0,1fr)}}

/* Kontakt */
.contact{background:var(--surface)}
fieldset.field{border:0;margin:0;padding:0;min-width:0}
fieldset.field legend{font-weight:600;font-size:.9rem;padding:0;margin-bottom:6px}
.contact .wrap{display:grid;grid-template-columns:.9fr 1.1fr;gap:clamp(32px,6vw,80px);align-items:start}
.contact-info{display:grid;gap:26px;min-width:0}
.dl{display:grid;gap:18px;margin:0}
.dl div{display:grid;gap:2px;padding-bottom:16px;border-bottom:1px solid var(--line)}
.dl dt{font:700 .75rem/1 var(--f-body);letter-spacing:.08em;text-transform:uppercase;color:var(--muted)}
.dl dd{margin:0;font-weight:700;font-size:1.1rem;user-select:all}
.form{grid-template-columns:minmax(0,1fr);background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:clamp(22px,4vw,40px);display:grid;gap:18px;min-width:0}
.form h3{font-size:1.5rem}
.row{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}
.field{display:grid;gap:6px;min-width:0}
.field label{font-weight:600;font-size:.9rem}
.field input,.field textarea,.field select{font:inherit;font-size:1rem;padding:13px 14px;border:1.5px solid var(--line);border-radius:8px;background:var(--bg);color:var(--ink);width:100%}
.field input:focus,.field textarea:focus,.field select:focus{border-color:var(--ink);background:var(--surface);outline:none}
.chips{display:flex;flex-wrap:wrap;gap:8px}
.chips-label{font-size:.8rem;font-weight:700;letter-spacing:.06em;text-transform:uppercase;color:var(--muted);margin:6px 0 -2px}
.chips label{position:relative;cursor:pointer}
.chips input{position:absolute;inset:0;width:100%;height:100%;margin:0;opacity:0;pointer-events:none}
.chips span{display:inline-block;padding:8px 14px;border:1.5px solid var(--line);border-radius:999px;font-size:.9rem;font-weight:600;color:var(--ink-2)}
.chips input:checked+span{background:var(--yellow);border-color:var(--yellow);color:var(--black)}
.chips input:focus-visible+span{outline:3px solid var(--ink);outline-offset:2px}
.consent{display:flex;gap:10px;font-size:.88rem;color:var(--muted);align-items:flex-start}
.consent input{margin-top:4px;accent-color:var(--ink)}
.form-note{font-size:.9rem;font-weight:600;background:var(--yellow-soft);border-radius:8px;padding:12px 14px}
@media (max-width:900px){.contact .wrap{grid-template-columns:minmax(0,1fr)}}
@media (max-width:560px){.row{grid-template-columns:minmax(0,1fr)}}

/* Footer */
.footer{background:var(--ink);color:var(--on-dark-muted);font-size:.95rem}
.footer .wrap{padding-block:56px 28px;display:grid;gap:40px}
.f-top{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:32px}
.f-top h4{margin:0 0 12px;color:var(--on-dark);font:700 .8rem/1 var(--f-body);letter-spacing:.08em;text-transform:uppercase}
.f-top ul{list-style:none;margin:0;padding:0;display:grid;gap:8px}
.footer a{color:var(--on-dark-muted);text-decoration:none}.footer a:hover{color:var(--yellow)}
.f-logo{height:28px;width:auto;margin-bottom:16px}
.f-bottom{border-top:1px solid #333;padding-top:22px;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:.85rem}
.socials{display:flex;gap:10px}
.socials a{width:38px;height:38px;border:1px solid #3a3a3a;border-radius:50%;display:grid;place-items:center}
.socials a:hover{border-color:var(--yellow)}
@media (max-width:860px){.f-top{grid-template-columns:1fr 1fr}}
@media (max-width:480px){.f-top{grid-template-columns:minmax(0,1fr)}}

/* Promo-Band Verteilerbau (Startseite) */
.promo{background:var(--yellow)}
.promo .wrap{display:flex;align-items:center;justify-content:space-between;gap:24px 48px;flex-wrap:wrap;padding-block:clamp(40px,5vw,60px)}
.promo-copy{display:grid;gap:12px;max-width:680px;min-width:0}
.promo .eyebrow{color:var(--black)}
.promo .eyebrow::before{background:var(--black)}
.promo .btn-primary{background:var(--black);color:var(--yellow)}
.promo .btn-primary:hover{background:var(--ink)}

/* Formular-Rückmeldung + Spamschutz-Feld */
.form-note.is-error{background:#FBE3DF;color:#7A1F12}
.hp{position:absolute;left:-10000px;width:1px;height:1px;overflow:hidden}
.consent a{color:inherit;text-decoration:underline}

/* Rechtsseiten (Impressum, Datenschutz) */
.legal .wrap{max-width:820px}
.legal h1{margin-bottom:clamp(24px,4vw,40px);font-size:clamp(2rem,4.5vw,3.2rem)}
.legal h2{font-size:clamp(1.3rem,2.4vw,1.6rem);margin:44px 0 14px}
.legal h3{font-size:1.08rem;margin:26px 0 8px}
.legal p,.legal ul{color:var(--ink-2);margin:0 0 12px}
.legal ul{padding-left:20px}
.legal a{text-decoration:underline}
.legal .caps{font-size:.95rem}
.legal-source{margin-top:40px;font-size:.85rem}

/* ==========================================================================
   Mobil-Optimierung (Handy bis 700 px)
   - Tippflächen mind. 44 px hoch
   - Eingabefelder mind. 16 px Schrift (verhindert Auto-Zoom auf dem iPhone)
   - kleinste Schrift 13 px
   - feste Schnellkontakt-Leiste unten (Anrufen / Anfrage)
   ========================================================================== */
.mbar{display:none}
.legal{overflow-wrap:anywhere}

@media (max-width:700px){
  /* Tippflächen vergrößern */
  .topbar .wrap{padding-block:0}
  .topbar a{padding-block:11px}
  .logo{padding-block:7px}
  .wgroup a{display:inline-block;padding-block:8px}
  .f-top ul{gap:0}
  .f-top ul a,.f-bottom a{display:inline-block;padding-block:12px}
  .consent input{width:22px;height:22px;margin-top:0;flex:none}
  .socials a{width:44px;height:44px}

  /* Eingabefelder: 16 px gegen Auto-Zoom */
  input,select,textarea{font-size:16px!important}

  /* Kleinste Schriftgrößen anheben */
  .eyebrow,.aud-tag,.spec small,.ref figcaption small,.dl dt,.f-top h4,.cfg-sum dt,.small{font-size:.8125rem}

  /* Schnellkontakt-Leiste */
  .mbar{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.3fr);gap:8px;position:fixed;left:0;right:0;bottom:0;z-index:60;
        padding:10px 16px calc(10px + env(safe-area-inset-bottom,0px));background:rgba(20,20,20,.96);border-top:1px solid var(--dark-line)}
  .mbar a{min-height:48px;display:flex;align-items:center;justify-content:center;gap:8px;border-radius:999px;font-weight:700;text-decoration:none}
  .mbar-call{border:2px solid var(--on-dark);color:var(--on-dark)}
  .mbar-cta{background:var(--yellow);color:var(--black)}
  body:has(.mbar){padding-bottom:calc(72px + env(safe-area-inset-bottom,0px))}
}

/* ==========================================================================
   Unterseiten-Bausteine (Brotkrumen, Badges, Kartenraster) – genutzt von
   verteilerbau.html, elektrotechnik.html, bau-sanierung.html
   ========================================================================== */
.crumbs{font-size:.85rem;color:var(--on-dark-muted)}
.crumbs a{color:var(--on-dark-muted);text-decoration:none}
.crumbs a:hover{color:var(--yellow)}
.crumbs span{color:var(--on-dark)}
.badges{list-style:none;margin:0;padding:0;display:flex;flex-wrap:wrap;gap:8px}
.badges li{border:1px solid var(--dark-line);background:rgba(255,255,255,.04);border-radius:999px;padding:7px 14px;font-size:.85rem;font-weight:600;color:var(--on-dark)}
.nav a[aria-current="page"]{color:var(--on-dark);box-shadow:inset 0 -3px 0 var(--yellow)}
.who{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.who article{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:28px;display:grid;gap:10px;align-content:start}
.who p{color:var(--ink-2)}
@media (max-width:900px){.who{grid-template-columns:minmax(0,1fr)}}
@media (max-width:700px){.crumbs a{display:inline-block;padding-block:12px}}

/* Qualifikationszeile im Hero: gleichwertige Einträge, ohne Button-Optik */
.quals{list-style:none;margin:4px 0 0;padding:20px 0 0;border-top:1px solid var(--dark-line);display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px 0}
.quals li{display:flex;align-items:center;gap:12px;padding-right:20px;min-width:0}
.quals li + li{padding-left:20px;border-left:1px solid var(--dark-line)}
.quals svg{flex:none}
.quals small{display:block;font-size:.75rem;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--on-dark-muted)}
.quals strong{display:block;font-size:1.02rem;font-weight:700;color:var(--on-dark)}
@media (max-width:560px){.quals{grid-template-columns:minmax(0,1fr)}.quals li + li{padding-left:0;border-left:0}.quals small{font-size:.8125rem}}

/* Zielgruppen-Kacheln: Stichpunkte auf dem Foto */
.aud-list{list-style:none;margin:2px 0 0;padding:0;display:grid;gap:4px;font-size:.92rem;color:var(--ink)}
.aud-list li{display:flex;gap:9px}
.aud-list li::before{content:"";flex:none;width:6px;height:6px;margin-top:.6em;background:var(--yellow);border-radius:1px}

/* Allgemeine Stichpunktliste mit gelben Punkten */
.tick-list{list-style:none;margin:0;padding:0;display:grid;gap:8px;color:var(--ink-2)}
.tick-list li{display:flex;gap:10px}
.tick-list li::before{content:"";flex:none;width:7px;height:7px;margin-top:.6em;background:var(--yellow);border-radius:1px}
.tick-list a{color:var(--ink);font-weight:600;text-decoration:none;box-shadow:inset 0 -2px 0 var(--yellow)}

/* Unterseiten: Übersichtskarten mit Sprunglink */
.who a.card-link{font-weight:700;text-decoration:none;box-shadow:inset 0 -2px 0 var(--yellow);justify-self:start;margin-top:4px}
@media (max-width:700px){.who a.card-link{padding-block:10px}}

/* Unterseiten: Detailabschnitt (Überschrift links, Inhalt rechts) */
.detail{display:grid;grid-template-columns:minmax(0,.8fr) minmax(0,1.2fr);gap:clamp(24px,5vw,64px);padding-block:clamp(36px,5vw,56px);border-top:1px solid var(--line)}
.detail:first-of-type{border-top:0;padding-top:0}
.detail-head{display:grid;gap:12px;align-content:start}
.detail-head h2{font-size:clamp(1.6rem,2.6vw,2.2rem)}
.detail-body{display:grid;gap:18px;align-content:start}
.detail-body > p{color:var(--ink-2)}
@media (max-width:860px){.detail{grid-template-columns:minmax(0,1fr)}}

/* ==========================================================================
   Kopfleiste: Zustand beim Scrollen (Klasse .is-solid setzt js/main.js)
   - Startseite oben: durchsichtig über dem Hero-Bild/-Video
   - alle Seiten nach dem Scrollen: weiß mit dunklem Logo
   ========================================================================== */
.page-home .header:not(.is-solid){background:transparent;-webkit-backdrop-filter:none;backdrop-filter:none;border-bottom-color:rgba(255,255,255,.14)}
.page-home .header:not(.is-solid):has(.nav.open){background:var(--dark)}
.header.is-solid{background:rgba(255,255,255,.97);border-bottom-color:var(--line);box-shadow:0 6px 24px rgba(0,0,0,.08)}
.header.is-solid .logo-hell{display:none}
.header.is-solid .logo-dunkel{display:block}
.header.is-solid .nav a{color:var(--ink-2)}
.header.is-solid .nav a:not(.btn):hover,.header.is-solid .nav a[aria-current="page"]{color:var(--ink)}
.header.is-solid .nav .btn{color:var(--black)}
.header.is-solid .burger span{background:var(--ink)}
.header.is-solid :focus-visible{outline-color:var(--ink)}
@media (max-width:960px){
  .header.is-solid .nav{background:var(--surface);border-bottom-color:var(--line)}
  .header.is-solid .nav a{border-bottom-color:var(--line)}
}

/* ==========================================================================
   Startseite: Hero über die volle Breite (Foto-Platzhalter, später Drohnenvideo)
   ========================================================================== */
.hero--full{position:relative;isolation:isolate;display:flex;align-items:center;
  margin-top:calc(-1 * var(--header-h,81px));
  padding-top:calc(var(--header-h,81px) + clamp(40px,7vw,96px))}
.hero--full .wrap{display:block;width:100%}
.hero--full .hero-copy{max-width:720px}
.hero-bg{position:absolute;inset:0;z-index:-1;overflow:hidden;background:var(--dark)}
.hero-bg img,.hero-bg video{width:100%;height:100%;max-width:none;object-fit:cover}
/* Abdunklung: links kräftig für den Text, nach rechts heller, oben leicht für die Kopfleiste */
.hero-bg::after{content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(12,12,12,.5) 0%,rgba(12,12,12,0) 28%),
             linear-gradient(90deg,rgba(12,12,12,.9) 0%,rgba(12,12,12,.72) 45%,rgba(12,12,12,.3) 100%)}
@media (min-width:901px){.hero--full{min-height:min(92vh,880px)}}
@media (max-width:900px){.hero-bg::after{background:rgba(12,12,12,.74)}}
/* Später für das Video: bei „Bewegung reduzieren“ nur das Standbild zeigen */
@media (prefers-reduced-motion:reduce){.hero-bg video{display:none}}

/* ==========================================================================
   Sanftes Einblenden beim Scrollen (Klassen setzt js/main.js)
   Ohne JavaScript bzw. bei „Bewegung reduzieren“ bleibt alles sofort sichtbar.
   ========================================================================== */
.js-reveal .reveal{opacity:0;transform:translateY(28px);
  transition:opacity .7s ease,transform .7s cubic-bezier(.2,.7,.2,1);
  transition-delay:var(--reveal-delay,0ms)}
.js-reveal .reveal.is-visible{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){.js-reveal .reveal{opacity:1;transform:none;transition:none}}

/* Produktkachel Verteilerbau im dunklen Feld „Elektrotechnik" */
.product-teaser{display:flex;align-items:center;gap:16px;padding:16px 18px;border:1.5px solid var(--yellow);border-radius:12px;
  background:rgba(255,186,1,.08);color:var(--on-dark);text-decoration:none;transition:background .2s,transform .2s}
.product-teaser:hover{background:rgba(255,186,1,.16);transform:translateY(-2px)}
.pt-icon{flex:none;width:48px;height:48px;border-radius:10px;background:var(--yellow);display:grid;place-items:center}
.pt-text{display:grid;gap:2px;min-width:0}
.pt-text small{font-size:.75rem;font-weight:700;letter-spacing:.06em;text-transform:uppercase;color:var(--yellow)}
.pt-text strong{font:800 1.15rem/1.2 var(--f-display);font-stretch:108%}
.pt-text > span{font-size:.92rem;color:var(--on-dark-muted)}
.pt-arrow{margin-left:auto;font-size:1.3rem;color:var(--yellow);transition:transform .2s}
.product-teaser:hover .pt-arrow{transform:translateX(4px)}

/* Hinweis in der Kontaktleiste (nur ab Tablet-Breite) */
.topbar .tb-highlight{color:var(--yellow);font-weight:600;min-width:0}
.topbar .tb-highlight span{overflow:hidden;text-overflow:ellipsis}
@media (max-width:700px){.topbar .tb-highlight{display:none}}
@media (max-width:560px){
  .product-teaser{align-items:flex-start;gap:12px;padding:14px}
  .pt-icon{width:40px;height:40px}
  .pt-arrow{display:none}
}

/* <picture> (WebP mit JPG-Rückfall) soll das Layout nicht beeinflussen */
picture{display:contents}

/* Footer: Adressen von Verwaltung und Planungsbüro */
.f-addr{font-style:normal;margin-top:12px;line-height:1.5}
.f-addr strong{display:block;color:var(--on-dark);font-size:.75rem;font-weight:700;letter-spacing:.08em;text-transform:uppercase;margin-bottom:2px}