/* ============================================================
   EnerKI – gemeinsames Stylesheet der Unterseiten (2026)
   Farbschema und Typografie gemaess Design-Briefing
   ============================================================ */
:root{
  --warm-white:#FAF8F2;
  --navy:#092B3C;
  --teal:#078C91;
  --turquoise:#10BFC2;
  --green:#75C943;
  --grey:#DDE2DF;
  --navy-70:rgba(9,43,60,.70);
  --navy-55:rgba(9,43,60,.55);
  --font-display:'Manrope','Inter',-apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif;
  --font-body:'Inter',-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,sans-serif;
  --wrap:1240px;
  --gutter:clamp(1.5rem,5vw,4.5rem);
  --header-h:96px;
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;background:var(--warm-white);color:var(--navy);
  font-family:var(--font-body);font-size:17px;line-height:1.65;
  -webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;
}
a{color:inherit;text-decoration:none}
img,svg{display:block;max-width:100%}
::selection{background:rgba(7,140,145,.14)}
.wrap{width:100%;max-width:var(--wrap);margin:0 auto;padding-inline:var(--gutter)}
:focus-visible{outline:2px solid var(--teal);outline-offset:4px;border-radius:2px}
.skip{position:absolute;left:-9999px;top:0}
.skip:focus{left:1rem;top:1rem;z-index:100;background:var(--navy);color:var(--warm-white);padding:.7rem 1.1rem;border-radius:4px}

/* ---------- Header ---------------------------------------- */
.site-header{
  position:sticky;top:0;z-index:50;
  background:rgba(250,248,242,.88);
  backdrop-filter:saturate(180%) blur(12px);
  -webkit-backdrop-filter:saturate(180%) blur(12px);
  border-bottom:1px solid transparent;
  transition:border-color .3s ease;
}
.site-header.is-scrolled{border-bottom-color:var(--grey)}
.header-inner{min-height:var(--header-h);display:flex;align-items:center;justify-content:space-between;gap:2rem}
.logo{display:flex;align-items:center}
.logo-img{height:58px;width:auto}
.nav{display:flex;align-items:center;gap:clamp(1.4rem,2.6vw,2.6rem)}
.nav-links{display:flex;align-items:center;gap:clamp(1.4rem,2.6vw,2.6rem)}
.nav-links a{font-size:.95rem;font-weight:500;color:var(--navy-70);padding:.3rem 0;position:relative;transition:color .2s ease}
.nav-links a::after{content:"";position:absolute;left:0;right:0;bottom:-2px;height:1px;background:var(--teal);transform:scaleX(0);transform-origin:left;transition:transform .28s cubic-bezier(.2,.7,.3,1)}
.nav-links a:hover{color:var(--navy)}
.nav-links a:hover::after{transform:scaleX(1)}
.nav-links a[aria-current="page"]{color:var(--navy)}
.nav-links a[aria-current="page"]::after{transform:scaleX(1)}
.nav-toggle{display:none}
.nav-only-mobile{display:none}

/* ---------- Buttons ---------------------------------------- */
.btn{
  --arrow-shift:0px;
  display:inline-flex;align-items:center;gap:.7rem;
  font-family:var(--font-body);font-size:.97rem;font-weight:500;
  padding:.92rem 1.6rem;border-radius:3px;border:1px solid transparent;
  transition:background-color .25s ease,color .25s ease,border-color .25s ease;
  white-space:nowrap;cursor:pointer;
}
.btn .arr{transform:translateX(var(--arrow-shift));transition:transform .3s cubic-bezier(.2,.7,.3,1)}
.btn:hover{--arrow-shift:4px}
.btn-primary{background:var(--teal);color:var(--warm-white)}
.btn-primary:hover{background:#066a6e}
.btn-outline{background:transparent;color:var(--teal);border-color:var(--teal)}
.btn-outline:hover{background:rgba(7,140,145,.06)}
.btn-nav{padding:.68rem 1.25rem;font-size:.92rem}

/* ---------- Seitenkopf ------------------------------------- */
.page-hero{position:relative;overflow:hidden;border-bottom:1px solid var(--grey)}
.page-hero .wrap{position:relative;z-index:2;padding-block:clamp(3rem,7vh,5rem)}
.page-hero .flow{
  position:absolute;z-index:0;right:calc(50% - 50vw);top:0;height:100%;width:auto;
  aspect-ratio:900/300;max-width:48vw;pointer-events:none;opacity:.9;
}
.kicker{
  display:block;font-size:.85rem;font-weight:600;letter-spacing:.14em;
  text-transform:uppercase;color:var(--teal);margin-bottom:1.1rem;
}
h1{
  font-family:var(--font-display);font-weight:600;
  font-size:clamp(2rem,3.6vw,3.1rem);
  line-height:1.12;letter-spacing:-.03em;margin:0 0 1.2rem;max-width:22ch;
  position:relative;z-index:1;
}
h1 .accent{color:var(--teal)}
.lead{
  font-size:clamp(1.02rem,1.28vw,1.16rem);line-height:1.72;color:var(--navy-70);
  margin:0;max-width:56ch;position:relative;z-index:1;
}
.page-hero .hero-actions{display:flex;flex-wrap:wrap;gap:.9rem;margin-top:2.2rem;position:relative;z-index:1}

/* ---------- Inhaltsbereiche -------------------------------- */
.section{padding-block:clamp(3.2rem,7vh,5.5rem)}
.section + .section{padding-top:0}
h2{
  font-family:var(--font-display);font-weight:600;
  font-size:clamp(1.5rem,2.5vw,2.1rem);
  line-height:1.2;letter-spacing:-.02em;margin:0 0 1rem;max-width:26ch;
}
h3{
  font-family:var(--font-display);font-weight:600;
  font-size:clamp(1.12rem,1.6vw,1.3rem);
  line-height:1.3;letter-spacing:-.01em;margin:0 0 .55rem;
}
p{margin:0 0 1rem;color:var(--navy-70);max-width:66ch}
p:last-child{margin-bottom:0}
strong{color:var(--navy)}
.section-intro{margin-bottom:clamp(1.8rem,4vh,2.8rem)}
.section-intro p{max-width:60ch}

/* Karten-Raster */
.card-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:clamp(1.1rem,2vw,1.75rem)}
.card{
  border:1px solid var(--grey);border-radius:4px;background:var(--warm-white);
  padding:clamp(1.5rem,2.4vw,2.1rem);
  position:relative;overflow:hidden;
  transition:border-color .35s ease,transform .35s cubic-bezier(.2,.7,.3,1);
}
.card p{font-size:.98rem}
a.card::before{
  content:"";position:absolute;inset:0 0 auto 0;height:2px;
  background:linear-gradient(90deg,var(--teal) 0%,var(--turquoise) 62%,var(--green) 100%);
  transform:scaleX(0);transform-origin:left;transition:transform .5s cubic-bezier(.2,.7,.3,1);
}
a.card:hover{border-color:rgba(7,140,145,.45);transform:translateY(-3px)}
a.card:hover::before{transform:scaleX(1)}
.card-link{display:inline-flex;align-items:center;gap:.55rem;font-weight:500;color:var(--teal);margin-top:1rem}
.card .arr{transition:transform .3s cubic-bezier(.2,.7,.3,1)}
a.card:hover .arr{transform:translateX(5px)}

/* Grosse Angebots-Kacheln (wie Startseite) */
.offer-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:clamp(1.25rem,2.4vw,2rem)}
.offer{
  position:relative;display:flex;flex-direction:column;justify-content:flex-end;
  min-height:clamp(210px,24vh,280px);
  padding:clamp(1.8rem,3vw,2.6rem);
  border:1px solid var(--grey);border-radius:4px;overflow:hidden;
  transition:border-color .35s ease,transform .35s cubic-bezier(.2,.7,.3,1);
}
.offer::before{
  content:"";position:absolute;inset:0 0 auto 0;height:2px;
  background:linear-gradient(90deg,var(--teal) 0%,var(--turquoise) 62%,var(--green) 100%);
  transform:scaleX(0);transform-origin:left;transition:transform .5s cubic-bezier(.2,.7,.3,1);
}
.offer:hover{border-color:rgba(7,140,145,.45);transform:translateY(-3px)}
.offer:hover::before{transform:scaleX(1)}
.offer-name{
  font-family:var(--font-display);font-weight:600;
  font-size:clamp(1.5rem,2.6vw,2.2rem);line-height:1.1;letter-spacing:-.01em;
  margin-bottom:.55rem;
}
.offer p{font-size:.98rem;margin-bottom:.9rem}
.offer-action{display:inline-flex;align-items:center;gap:.6rem;font-weight:500;color:var(--teal)}
.offer:hover .arr{transform:translateX(5px)}

/* Nummerierte Schritte */
.steps{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:clamp(1.1rem,2vw,1.75rem);counter-reset:step}
.step{border-top:2px solid var(--teal);padding-top:1.1rem;counter-increment:step}
.step::before{
  content:counter(step,decimal-leading-zero);
  display:block;font-family:var(--font-display);font-weight:600;
  font-size:.9rem;letter-spacing:.1em;color:var(--teal);margin-bottom:.6rem;
}
.step p{font-size:.97rem}

/* Merkmal-Liste */
.feature-list{list-style:none;margin:0;padding:0;display:grid;gap:.65rem;max-width:60ch}
.feature-list li{position:relative;padding-left:1.6rem;color:var(--navy-70)}
.feature-list li::before{
  content:"";position:absolute;left:0;top:.55em;width:.7rem;height:2px;background:var(--teal);
}
.feature-list strong{color:var(--navy)}

/* Preis-Karten */
.price-card{border:1px solid var(--grey);border-radius:4px;padding:clamp(1.7rem,2.6vw,2.3rem);position:relative;overflow:hidden}
.price-card.is-primary{border-color:rgba(7,140,145,.55)}
.price-card.is-primary::before{
  content:"";position:absolute;inset:0 0 auto 0;height:2px;
  background:linear-gradient(90deg,var(--teal) 0%,var(--turquoise) 62%,var(--green) 100%);
}
.price-tag{font-family:var(--font-display);font-weight:600;font-size:clamp(1.8rem,2.8vw,2.4rem);letter-spacing:-.02em;margin:.4rem 0 1.1rem}
.price-note{font-size:.9rem;color:var(--navy-55)}

/* FAQ */
.faq{max-width:820px}
.faq details{border-bottom:1px solid var(--grey)}
.faq summary{
  cursor:pointer;list-style:none;display:flex;justify-content:space-between;align-items:center;gap:1.5rem;
  padding:1.15rem 0;font-family:var(--font-display);font-weight:600;font-size:1.02rem;color:var(--navy);
}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";font-weight:400;font-size:1.4rem;color:var(--teal);line-height:1;transition:transform .25s ease}
.faq details[open] summary::after{transform:rotate(45deg)}
.faq details p{padding-bottom:1.15rem;font-size:.98rem}

/* Kontakt */
.contact-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:clamp(1.1rem,2vw,1.75rem)}
.contact-item{border-top:2px solid var(--teal);padding-top:1rem}
.contact-item .label{font-size:.82rem;font-weight:600;letter-spacing:.12em;text-transform:uppercase;color:var(--navy-55);margin-bottom:.5rem}
.contact-item a{color:var(--teal);font-weight:500}
.contact-item a:hover{text-decoration:underline}

/* Ueber-Seite */
.about-grid{display:grid;grid-template-columns:minmax(0,.85fr) minmax(0,1.15fr);gap:clamp(2rem,4vw,4rem);align-items:start}
.portrait{position:relative;border-radius:4px;overflow:hidden;border:1px solid var(--grey);aspect-ratio:4/5;background:linear-gradient(160deg,rgba(16,191,194,.08),rgba(7,140,145,.14))}
.portrait img{width:100%;height:100%;object-fit:cover}
.portrait .fallback{
  position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:.6rem;
}
.portrait .fallback .monogram{
  font-family:var(--font-display);font-weight:600;font-size:3.4rem;color:var(--teal);letter-spacing:.02em;
}
.portrait .fallback .hint{font-size:.85rem;color:var(--navy-55)}
.portrait-caption{margin-top:.8rem}
.portrait-caption strong{display:block}
.portrait-caption span{font-size:.9rem;color:var(--navy-55)}
.stat-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:clamp(1rem,2vw,1.5rem);margin-top:2rem}
.stat{border-top:2px solid var(--teal);padding-top:.9rem}
.stat .value{font-family:var(--font-display);font-weight:600;font-size:1.6rem;letter-spacing:-.02em}
.stat .desc{font-size:.88rem;color:var(--navy-55);margin-top:.2rem}

/* CTA-Band */
.cta-band{border-top:1px solid var(--grey)}
.cta-band .wrap{
  padding-block:clamp(3rem,7vh,4.5rem);
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:1.6rem;
}
.cta-band h2{margin:0;max-width:26ch}
.cta-band p{margin:.5rem 0 0;max-width:44ch}

/* Rechtstexte */
.legal-content{max-width:760px}
.legal-content h2{margin-top:2.6rem}
.legal-content h2:first-child{margin-top:0}
.legal-content h3{margin-top:1.8rem}

/* ---------- LiSI Produkt-Mockup ----------------------------- */
.lisi-dash{
  border:1px solid var(--grey);border-radius:6px;overflow:hidden;
  background:var(--warm-white);max-width:760px;
  box-shadow:0 24px 48px -28px rgba(9,43,60,.28);
}
.dash-bar{
  display:flex;align-items:center;justify-content:space-between;gap:1rem;
  background:var(--navy);color:rgba(250,248,242,.7);
  padding:.7rem 1.1rem;font-size:.82rem;
}
.dash-url{letter-spacing:.01em}
.dash-brand{font-family:var(--font-display);font-weight:700;color:var(--warm-white);letter-spacing:.04em}
.dash-brand em{color:var(--turquoise);font-style:normal}
.dash-body{
  display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,1fr);
  gap:1px;background:var(--grey);
}
.dash-buildings,.dash-meters{background:var(--warm-white);padding:1.3rem 1.4rem}
.dash-head{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:.6rem 1rem;
  font-family:var(--font-display);font-weight:600;font-size:.92rem;color:var(--navy);
  margin-bottom:.9rem;
}
.dash-legend{display:flex;align-items:center;gap:.9rem;font-family:var(--font-body);font-weight:400;font-size:.76rem;color:var(--navy-55)}
.dash-legend .dot{margin-right:.3rem}
.dot{display:inline-block;width:8px;height:8px;border-radius:50%;vertical-align:middle}
.dot.ok{background:var(--green)}
.dot.warn{background:var(--turquoise)}
.dot.alert{background:#C1503F}
.b-row{
  display:flex;align-items:center;gap:.7rem;
  padding:.65rem 0;border-top:1px solid var(--grey);font-size:.92rem;
}
.b-row:first-of-type{border-top:0}
.b-row strong{color:var(--navy);font-weight:600}
.b-meta{color:var(--navy-55);font-size:.82rem;margin-left:-.15rem}
.b-state{margin-left:auto;font-size:.78rem;font-weight:600;letter-spacing:.03em;padding:.2rem .55rem;border-radius:99px}
.b-state.ok{color:#4C8A2C;background:rgba(117,201,67,.15)}
.b-state.warn{color:var(--teal);background:rgba(16,191,194,.14)}
.b-state.alert{color:#A83F31;background:rgba(193,80,63,.13)}
.dash-meters{
  display:grid;grid-template-columns:repeat(2,1fr);gap:1rem;align-content:start;
}
.meter{border-top:2px solid var(--turquoise);padding-top:.6rem}
.m-val{display:block;font-family:var(--font-display);font-weight:700;font-size:1.35rem;color:var(--navy);letter-spacing:-.01em}
.m-val small{font-family:var(--font-body);font-weight:500;font-size:.7rem;color:var(--navy-55);margin-left:.2rem}
.m-name{display:block;font-size:.8rem;color:var(--navy-55);margin-top:.15rem}
@media (max-width:640px){
  .dash-body{grid-template-columns:1fr}
  .dash-meters{grid-template-columns:repeat(2,1fr)}
}

/* ---------- Kontaktformular ---------------------------------- */
.contact-layout{display:grid;grid-template-columns:minmax(0,1.2fr) minmax(0,1fr);gap:clamp(2rem,4vw,4rem);align-items:start}
.contact-grid--stacked{grid-template-columns:repeat(2,minmax(0,1fr))}
.contact-form{display:flex;flex-direction:column;gap:1.1rem;max-width:520px}
.form-row{display:flex;flex-direction:column;gap:.4rem}
.form-row label{font-size:.88rem;font-weight:600;color:var(--navy)}
.form-row label span[aria-hidden]{color:var(--teal);margin-left:.15rem}
.form-row .optional{font-weight:400;color:var(--navy-55)}
.form-row input,.form-row textarea{
  font-family:var(--font-body);font-size:.98rem;color:var(--navy);
  background:var(--warm-white);border:1px solid var(--grey);border-radius:3px;
  padding:.75rem .9rem;resize:vertical;transition:border-color .2s ease;
}
.form-row input:focus,.form-row textarea:focus{border-color:var(--teal);outline:none}
.contact-form .btn{align-self:flex-start;margin-top:.3rem;border:none}
.form-status{min-height:1.4em;font-size:.9rem;margin:0}
.form-status.is-pending{color:var(--navy-55)}
.form-status.is-success{color:#4C8A2C}
.form-status.is-error{color:#A83F31}
.form-hint{font-size:.82rem;color:var(--navy-55);margin:0}
.form-hint a{color:var(--teal)}
.form-hint a:hover{text-decoration:underline}

/* ---------- Cookie-Banner ------------------------------------- */
.cookie-banner{
  position:fixed;left:0;right:0;bottom:0;z-index:80;
  background:var(--navy);color:rgba(250,248,242,.88);
  border-top:1px solid rgba(250,248,242,.12);
}
.cookie-inner{
  padding-block:1.2rem;
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:1rem 2rem;
}
.cookie-banner p{margin:0;font-size:.88rem;line-height:1.6;max-width:70ch;color:inherit}
.cookie-banner a{color:var(--turquoise)}
.cookie-banner a:hover{text-decoration:underline}
.cookie-actions{display:flex;gap:.8rem;flex:none}
.cookie-banner .btn-outline{color:var(--warm-white);border-color:rgba(250,248,242,.4)}
.cookie-banner .btn-outline:hover{background:rgba(250,248,242,.08)}

/* ---------- Link-Button (Footer) ------------------------------ */
.link-btn{
  font:inherit;font-size:.85rem;color:var(--navy-55);background:none;border:0;padding:0;
  cursor:pointer;transition:color .2s ease;
}
.link-btn:hover{color:var(--teal)}

/* ---------- Fusszeile -------------------------------------- */
.site-footer{border-top:1px solid var(--grey);margin-top:clamp(2rem,5vh,3.5rem)}
.footer-inner{
  padding-block:1.6rem;
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:.9rem 2.5rem;
}
.footer-meta{font-size:.85rem;color:var(--navy-55)}
.footer-meta a{color:var(--teal)}
.footer-meta a:hover{text-decoration:underline}
.footer-links{display:flex;flex-wrap:wrap;gap:1.6rem}
.footer-links a{font-size:.85rem;color:var(--navy-55);transition:color .2s ease}
.footer-links a:hover{color:var(--teal)}

/* ---------- Responsive ------------------------------------- */
@media (max-width:1000px){
  :root{--header-h:80px}
  .logo-img{height:44px}
  .contact-layout{grid-template-columns:1fr}
  .contact-grid--stacked{margin-top:.5rem}
  .nav-links{
    position:fixed;inset:var(--header-h) 0 auto 0;
    flex-direction:column;align-items:flex-start;gap:0;
    background:var(--warm-white);border-bottom:1px solid var(--grey);
    padding:.5rem var(--gutter) 1.6rem;
    transform:translateY(-8px);opacity:0;pointer-events:none;
    transition:opacity .25s ease,transform .25s ease;
  }
  .nav-links[data-open="true"]{transform:translateY(0);opacity:1;pointer-events:auto}
  .nav-links a{width:100%;padding:.95rem 0;font-size:1.05rem;border-bottom:1px solid var(--grey)}
  .nav-links a::after{display:none}
  .nav-links a:last-child{border-bottom:0}
  .nav-toggle{
    display:flex;flex-direction:column;justify-content:center;gap:5px;
    width:44px;height:44px;padding:0 10px;margin-right:-10px;
    background:none;border:0;cursor:pointer;
  }
  .nav-toggle span{display:block;height:1.5px;width:100%;background:var(--navy);transition:transform .3s ease,opacity .2s ease}
  .nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(6.5px) rotate(45deg)}
  .nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
  .nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-6.5px) rotate(-45deg)}
  .nav-cta{display:none}
  .nav-only-mobile{display:block}
  .page-hero .flow{display:none}
  .about-grid{grid-template-columns:1fr}
  .portrait{max-width:380px}
}
@media (max-width:720px){
  body{font-size:16px}
  .offer-grid{grid-template-columns:1fr}
  .offer{min-height:170px}
  .page-hero .hero-actions{flex-direction:column;align-items:stretch}
  .page-hero .hero-actions .btn{justify-content:space-between}
  .cta-band .wrap{flex-direction:column;align-items:flex-start}
  .footer-inner{flex-direction:column;align-items:flex-start}
  .contact-grid--stacked{grid-template-columns:1fr}
  .contact-form .btn{width:100%;justify-content:space-between}
  .cookie-inner{flex-direction:column;align-items:stretch}
  .cookie-actions{flex-direction:column}
  .cookie-actions .btn{justify-content:space-between}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation:none!important;transition-duration:.01ms!important}
  html{scroll-behavior:auto}
}