/* ONE Energieprojekte
   Layout wie oe-ag.de: heller Grund, weiße Karten mit feinem Rand, Roboto, grüne Schaltflächen.
   Eine einzige dunkle Fläche trägt den Eyecatcher, die Sonnenbahn. */

@font-face{font-family:"Roboto";src:url(../fonts/roboto-latin-wght-normal.woff2) format("woff2");font-weight:100 900;font-style:normal;font-display:swap}

:root{
  color-scheme:light;
  --bg:#F4F4F1;
  --tint:#E7F2EB;
  --white:#FFFFFF;
  --ink:#272727;
  --mute:#5D6C7B;
  --line:#D9D9D9;
  --green:#17AC6C;
  --green-ink:#101D17;
  --green-text:#0E7A4B;
  --mint:#4FD39A;
  --dark:#1A1E23;
  --black:#111417;
  --font:"Roboto","Segoe UI",system-ui,sans-serif;
  --top-h:4.5625rem;
  --bar-h:var(--wp-admin--admin-bar--height,0px);
  --r:1rem;
}
@media (max-width:600px){:root{--bar-h:0px}}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:calc(var(--top-h) + var(--bar-h))}
body{margin:0;background:var(--bg);color:var(--ink);font:400 1.0625rem/1.6 var(--font);-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
body::before{content:"";position:fixed;inset:0 0 auto;height:env(safe-area-inset-top,0px);z-index:30;background:var(--white)}
img{max-width:100%;height:auto}
a{color:var(--green-text)}
p{margin:0}
h1,h2,h3{margin:0;font-weight:600;color:inherit}
[hidden]{display:none!important}
:focus-visible{outline:2px solid var(--green-text);outline-offset:3px}
.foot :focus-visible,.card-dark :focus-visible{outline-color:var(--mint)}
.skip{position:absolute;left:-999rem;top:0;z-index:40;padding:.8rem 1.2rem;background:var(--white);color:var(--ink);font-weight:600}
.skip:focus{left:0}

.w{max-width:76.75rem;margin-inline:auto;padding-left:max(16px,env(safe-area-inset-left,0px));padding-right:max(16px,env(safe-area-inset-right,0px))}
@media (min-width:48rem){.w{padding-left:max(40px,env(safe-area-inset-left,0px));padding-right:max(40px,env(safe-area-inset-right,0px))}}

/* Kopf */
.top{position:sticky;top:calc(env(safe-area-inset-top,0px) + var(--bar-h));z-index:20;background:var(--white);border-bottom:1px solid #E4E4DF}
.top-in{display:flex;align-items:center;gap:1rem;min-height:4.5rem;position:relative}
.brand{display:flex;align-items:center;gap:.8rem;text-decoration:none;color:var(--ink);margin-right:auto}
.brand img{height:1.9rem;width:auto;display:block}
.brand span{font-weight:600;font-size:.95rem;line-height:1;padding:.4rem 0 .4rem .8rem;border-left:1px solid var(--line)}
.nav{display:none;gap:1.75rem}
.nav a{color:var(--ink);text-decoration:none;font-weight:500;font-size:.95rem}
.nav a:hover{color:var(--green-text)}
.menu-btn{display:inline-flex;align-items:center;min-height:2.75rem;padding:0 1rem;background:var(--white);border:1px solid var(--ink);border-radius:4px;color:var(--ink);font:600 .9rem/1 var(--font);cursor:pointer}
.top .btn{display:none}
.nav.open{display:flex;flex-direction:column;gap:0;position:absolute;left:0;right:0;top:100%;background:var(--white);border-bottom:1px solid var(--line);padding:.25rem max(16px,env(safe-area-inset-right,0px)) 1rem max(16px,env(safe-area-inset-left,0px))}
.nav.open a{padding:.9rem 0;border-bottom:1px solid #ECECE8;font-size:1.05rem}
@media (min-width:34rem){.brand img{height:2.2rem}.top .btn{display:inline-flex}}
@media (min-width:62rem){
  .nav,.nav.open{display:flex;flex-direction:row;gap:1.75rem;position:static;background:none;border:0;padding:0;margin-right:auto}
  .nav.open a{padding:0;border:0;font-size:.95rem}
  .menu-btn{display:none}
}

/* Schaltflächen */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:.6rem;min-height:3rem;padding:.75rem 1.35rem;border:1px solid transparent;border-radius:4px;font:600 1rem/1.2 var(--font);text-decoration:none;cursor:pointer;transition:background-color .18s,border-color .18s,color .18s}
.btn-go{background:var(--green);color:var(--green-ink)}
.btn-go::after{content:"\2192";font-weight:400}
.btn-go:hover{background:#1FC27C}
.btn-go[disabled]{opacity:.6;cursor:progress}
.btn-line{background:var(--white);border-color:var(--ink);color:var(--ink)}
.btn-line:hover{background:var(--ink);color:var(--white)}
.btn-sm{min-height:2.6rem;padding:.55rem 1.1rem;font-size:.95rem}

/* Bausteine */
.eyebrow{font-weight:500;color:var(--mute)}
h2{font-size:clamp(1.7rem,3.3vw,2.4rem);line-height:1.15;letter-spacing:-.012em;text-wrap:balance}
h3{font-size:1.2rem;line-height:1.25;letter-spacing:-.01em}
.lead{color:var(--mute);max-width:36rem}
.head{display:grid;gap:.9rem;max-width:44rem}
.head .eyebrow{margin-bottom:-.5rem}
.head-c{margin-inline:auto;text-align:center;justify-items:center}
.w > .head + *{margin-top:clamp(2rem,4.5vw,3.25rem)}
.sec{padding-block:clamp(3.75rem,8vw,6rem)}
.on-white{background:var(--white)}
.on-paper{background:var(--bg)}
.on-tint{background:var(--tint)}
.stack{display:grid;gap:1rem;min-width:0}
.stack > .card{padding:clamp(1.4rem,3.2vw,2rem)}
.h-small{font-size:1.05rem}
.split{display:grid;grid-template-columns:minmax(0,1fr);gap:clamp(2rem,6vw,5rem);align-items:start}
.w.split > .head + *{margin-top:0}
@media (min-width:62rem){
  .split{grid-template-columns:minmax(0,5fr) minmax(0,6fr)}
  .head-sticky{position:sticky;top:calc(var(--top-h) + var(--bar-h) + 2.5rem)}
}
.card{background:var(--white);border:1px solid var(--line);border-radius:var(--r);padding:clamp(1.25rem,3vw,1.75rem);min-width:0}
.card p{color:var(--mute)}
.card-dark{background:var(--dark);border-color:var(--dark);color:var(--white)}
.card-dark p{color:rgba(255,255,255,.72)}
.dots{margin:.9rem 0 0;padding:0;list-style:none;display:grid;gap:.55rem;color:var(--ink)}
.dots li{display:grid;grid-template-columns:auto minmax(0,1fr);gap:.75rem;align-items:baseline}
.dots li::before{content:"";width:.6rem;height:.6rem;border-radius:50%;background:var(--green)}

/* Titel: hell, links Text, rechts der Vorher-nachher-Regler */
.hero{background:var(--white)}
.hero-in{display:grid;grid-template-columns:minmax(0,1fr);gap:clamp(2rem,5vw,4rem);align-items:center;padding-block:clamp(2.5rem,6vw,5rem) clamp(2.5rem,5vw,4rem)}
.hero-text{display:grid;gap:1.3rem;align-content:center}
.hero .eyebrow{color:var(--green-text);font-weight:600}
.hero h1{font-size:clamp(2rem,4.2vw,3.3rem);line-height:1.07;letter-spacing:-.022em;text-wrap:balance;hyphens:auto;overflow-wrap:break-word}
.hero h1 em{font-style:normal;color:var(--green)}
.hero-sub{max-width:34rem;font-size:clamp(1.05rem,1.4vw,1.15rem);color:var(--mute)}
.hero-cta{display:flex;flex-wrap:wrap;gap:.75rem;margin-top:.3rem}
.hero-bild{margin:0;min-width:0;container-type:inline-size}
@media (min-width:62rem){.hero-in{grid-template-columns:minmax(0,1fr) minmax(0,1.08fr)}}

/* Vorher und nachher */
.vergleich{position:relative;aspect-ratio:1600/1062;border-radius:1.25rem;overflow:hidden;background:#DDE3E7;touch-action:pan-y;user-select:none;-webkit-user-select:none}
.vergleich img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;display:block;pointer-events:none}
.v-vor-wrap{position:absolute;inset:0;clip-path:inset(0 calc(100% - var(--pos)) 0 0)}
.v-linie{position:absolute;top:0;bottom:0;left:var(--pos);width:2px;margin-left:-1px;background:var(--white);pointer-events:none}
.v-griff{position:absolute;top:50%;left:50%;width:3rem;height:3rem;margin:-1.5rem 0 0 -1.5rem;border-radius:50%;background:var(--white);box-shadow:0 .4rem 1.2rem rgba(0,0,0,.25);display:grid;place-items:center;color:var(--ink);font-weight:600}
.v-griff::before{content:"\2039\00a0\203A";font-size:1.4rem;line-height:1;margin-top:-.15rem}
/* Pillen: je höchstens halbe Breite minus Abstand, so können sie sich nie berühren */
.v-tag{display:inline-block;max-width:calc(50% - 1.6rem);padding:.38rem .8rem;border-radius:999px;font-size:.88rem;font-weight:600;line-height:1.25;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.vergleich .v-tag{position:absolute;top:.9rem;pointer-events:none}
.vergleich .v-tag-a{left:.9rem}
.vergleich .v-tag-b{right:.9rem}
.v-tag-a{background:rgba(255,255,255,.95);color:var(--ink);box-shadow:0 .2rem .6rem rgba(0,0,0,.12)}
.v-tag-b{background:var(--green);color:var(--green-ink)}
.v-legende{display:none;justify-content:space-between;gap:.75rem;margin-top:.75rem}
.v-legende .v-tag{max-width:none;white-space:normal}
.v-legende .v-tag-a{background:var(--bg);box-shadow:none;border:1px solid var(--line)}
.v-label{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.v-regler{position:absolute;inset:0;width:100%;height:100%;margin:0;opacity:0;cursor:ew-resize;-webkit-appearance:none;appearance:none;background:transparent}
.vergleich:has(.v-regler:focus-visible) .v-griff{outline:3px solid var(--green-text);outline-offset:3px}
.v-cap{margin-top:.75rem;font-size:.9rem;color:var(--mute)}
@container (max-width:32rem){.vergleich .v-tag{display:none}.v-legende{display:flex}}
@media (max-width:35.99rem){.v-griff{width:2.75rem;height:2.75rem;margin:-1.375rem 0 0 -1.375rem}}

/* Kennzahlen der AG direkt unter dem Titel */
.kennzahlen{background:var(--bg);border-top:1px solid #ECECE8;border-bottom:1px solid #ECECE8}
.kennzahlen .stats{border-top:0;padding-top:.5rem}
.kennzahlen .stats div{padding-block:1.2rem}
.kennzahlen .src{margin:0;padding-bottom:1.25rem;font-size:.82rem}

/* Zwei Wege als Karten */
.weg-karte{display:grid;gap:.6rem;align-content:start;padding:clamp(1.4rem,3.2vw,2rem);text-decoration:none;color:var(--ink);transition:border-color .2s,box-shadow .2s,transform .2s}
.weg-karte:hover{border-color:var(--green);box-shadow:0 1.2rem 2.4rem -1.6rem rgba(26,30,35,.35);transform:translateY(-2px)}
.weg-karte h3{font-size:1.35rem}
.weg-karte .chip{justify-self:start;padding:.3rem .7rem;border-radius:999px;font-size:.82rem;font-weight:600}
.chip-a{background:var(--bg);border:1px solid var(--line);color:var(--ink)}
.chip-b{background:var(--green);color:var(--green-ink)}
.weg-karte .mehr{margin-top:.3rem;font-weight:600;color:var(--green-text)}
.weg-karte .mehr::after{content:" \2192"}

/* Anlagen kaufen */
.kaufen{display:grid;grid-template-columns:minmax(0,1fr);gap:clamp(2rem,5vw,4.5rem);align-items:start}
.kaufen-bild{border-radius:1.1rem;overflow:hidden;aspect-ratio:4/3;background:#DCE3DE}
.kaufen-bild img{width:100%;height:100%;object-fit:cover;object-position:40% 60%;display:block}
.kaufen-text{display:grid;gap:clamp(1.75rem,4vw,2.5rem);min-width:0}
.punkte{display:grid;grid-template-columns:minmax(0,1fr);gap:0 2rem;margin:0}
.punkte div{padding-block:1rem;border-top:1px solid var(--line)}
.punkte dt{font-weight:600;font-size:1.05rem;display:flex;align-items:center;gap:.6rem}
.punkte dt::before{content:"";width:.55rem;height:.55rem;border-radius:50%;background:var(--green);flex:none}
.punkte dd{margin:.35rem 0 0;color:var(--mute);font-size:.98rem}
@media (min-width:40rem){.punkte{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (min-width:62rem){
  .kaufen{grid-template-columns:minmax(0,5fr) minmax(0,7fr)}
  .kaufen-bild{position:sticky;top:calc(var(--top-h) + var(--bar-h) + 2rem);aspect-ratio:3/4}
}

/* Projekte anbieten */
.sec-ankauf{background:linear-gradient(180deg,var(--tint),var(--bg))}

/* Vergleich mit dem Neubau */
.duo{display:grid;grid-template-columns:minmax(0,1fr);gap:1rem}
.duo .card{display:grid;gap:.6rem;align-content:start;padding:clamp(1.4rem,3.2vw,2rem)}
.duo h3{font-size:1.35rem}
@media (min-width:48rem){.duo{grid-template-columns:repeat(2,minmax(0,1fr))}}

/* Musterexposé */
.sheet{padding:0;overflow:hidden;box-shadow:0 1.6rem 3rem -2rem rgba(26,30,35,.28)}
.sheet-h{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:.5rem 1rem;padding:1.15rem clamp(1.1rem,3vw,1.75rem);border-bottom:1px solid #E8E8E4}
.tag{font-size:.82rem;font-weight:500;color:var(--mute);background:var(--bg);border:1px solid #E4E4DF;border-radius:999px;padding:.25rem .75rem}
.kv{margin:0;padding:.3rem clamp(1.1rem,3vw,1.75rem) 0}
.kv div{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.15fr);gap:1rem;padding-block:.72rem;border-bottom:1px solid #E8E8E4}
.kv dt{color:var(--mute);font-size:.95rem}
.kv dd{margin:0;font-weight:500;font-size:.95rem;font-variant-numeric:tabular-nums}
.chart{margin:0;padding:1.5rem clamp(1.1rem,3vw,1.75rem) 1.5rem}
.chart figcaption{display:flex;flex-wrap:wrap;align-items:baseline;justify-content:space-between;gap:.4rem 1.2rem;font-weight:600}
.legend{display:flex;gap:1.1rem;font-size:.85rem;font-weight:400;color:var(--mute)}
.legend span{display:inline-flex;align-items:center;gap:.4rem}
.legend .k-bar::before{content:"";width:.7rem;height:.7rem;border-radius:2px;background:var(--green)}
.legend .k-tick::before{content:"";width:1rem;height:2px;background:var(--ink)}
.plot{position:relative;height:12rem;margin:1.6rem 0 1.9rem 2.1rem}
.gl{position:absolute;left:0;right:0;height:0;border-top:1px solid #ECECE8}
.gl span{position:absolute;right:calc(100% + .5rem);top:-.5rem;font-size:.75rem;line-height:1;color:var(--mute);font-variant-numeric:tabular-nums}
.bars{position:absolute;inset:0;display:grid;grid-template-columns:repeat(12,minmax(0,1fr));gap:clamp(4px,1.1vw,12px);margin:0;padding:0;list-style:none}
.bars li{position:relative;min-width:0}
.bar{position:absolute;left:0;right:0;bottom:0;height:calc(var(--v) * 1%);background:var(--green);border-radius:3px 3px 0 0;transform-origin:bottom}
.tick{position:absolute;left:-2px;right:-2px;bottom:calc(var(--p) * 1% - 1px);height:2px;background:var(--ink)}
.mon{position:absolute;left:50%;transform:translateX(-50%);top:calc(100% + .5rem);font-size:.75rem;line-height:1;color:var(--mute)}
.chart-sum{font-size:.88rem;color:var(--mute);font-variant-numeric:tabular-nums}
.chart.play .bar{animation:grow .8s cubic-bezier(.2,.7,.2,1) both;animation-delay:calc(var(--i) * 40ms)}
@keyframes grow{from{transform:scaleY(.12)}to{transform:scaleY(1)}}
@media (max-width:35.99rem){.mon{font-size:.62rem}}

/* Ablauf */
.steps{display:grid;gap:.75rem;margin:0;padding:0;list-style:none;counter-reset:s}
.steps li{counter-increment:s;display:grid;grid-template-columns:2.25rem minmax(0,1fr);gap:.25rem 1rem;padding:1.1rem 1.25rem;background:var(--bg);border:1px solid var(--line);border-radius:.75rem;min-width:0}
.steps li::before{content:counter(s);grid-row:span 2;display:grid;place-items:center;width:2.25rem;height:2.25rem;border-radius:50%;background:var(--white);border:1px solid var(--line);font-weight:600;color:var(--green-text)}
.steps h3{align-self:center;font-size:1.1rem}
.steps p{grid-column:2;color:var(--mute);font-size:.98rem}

/* ONE */
.one-text{display:grid;gap:.9rem}
.stats{display:grid;grid-template-columns:minmax(0,1fr);gap:0 3rem;margin-bottom:0;margin-inline:0;border-top:1px solid var(--line)}
.stats div{display:grid;gap:.4rem;padding-block:1.5rem;border-bottom:1px solid var(--line)}
.stats dt{order:2;color:var(--mute)}
.stats dd{order:1;margin:0;font-size:clamp(2.2rem,4.6vw,3.25rem);line-height:1;font-weight:600;letter-spacing:-.02em;font-variant-numeric:tabular-nums}
.stats dd i{font-style:normal;color:var(--green)}
.src{margin-top:1.1rem;font-size:.9rem;color:var(--mute)}
@media (min-width:48rem){.stats{grid-template-columns:repeat(3,minmax(0,1fr))}.stats div{border-bottom:0}}

/* Fragen */
.faq details{border-top:1px solid var(--line)}
.faq details:last-of-type{border-bottom:1px solid var(--line)}
.faq summary{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:1rem;align-items:center;padding-block:1.15rem;font-weight:600;font-size:1.1rem;line-height:1.35;cursor:pointer;list-style:none}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";font-weight:400;font-size:1.5rem;line-height:1;color:var(--green-text);transition:transform .2s}
.faq details[open] summary::after{transform:rotate(45deg)}
.faq details p{padding:0 2.5rem 1.35rem 0;color:var(--mute);max-width:42rem}
.risk{margin-top:1.75rem;padding:1rem 1.2rem;background:var(--bg);border:1px solid #E4E4DF;border-radius:.75rem;font-size:.95rem}

/* Formular */
.form{display:grid;gap:1.1rem;box-shadow:0 1.6rem 3rem -2rem rgba(26,30,35,.28)}
.row{display:grid;grid-template-columns:minmax(0,1fr);gap:1.1rem}
@media (min-width:36rem){.row{grid-template-columns:repeat(2,minmax(0,1fr))}}
.f{display:grid;gap:.4rem;min-width:0}
.f label{font-weight:500;font-size:.95rem}
.f input,.f select,.f textarea{width:100%;min-width:0;padding:.8rem .9rem;border:1px solid #C4C9CE;border-radius:6px;background:var(--white);color:var(--ink);font:400 1rem/1.4 var(--font)}
.f textarea{resize:vertical;min-height:6.5rem}
.f input:focus,.f select:focus,.f textarea:focus{outline:2px solid var(--green-text);outline-offset:1px;border-color:var(--green-text)}
.hp{position:absolute;left:-999rem;width:1px;height:1px;overflow:hidden}
.form .form-note{font-size:.88rem;color:var(--mute)}
.form .form-status{padding:.85rem 1.1rem;border-radius:6px;background:var(--bg);border:1px solid #E4E4DF;font-weight:500;color:var(--ink)}
.form .form-status.is-ok{border-color:var(--green)}
.form .form-status.is-err{border-color:#B3261E}

/* Unterseiten */
.sub{background:var(--white)}
.sub-head{background:var(--bg);padding-block:clamp(2.75rem,6vw,4.5rem) clamp(2rem,4.5vw,3rem);border-bottom:1px solid #E4E4DF}
.sub-head h1,.sub-h1{margin-top:.5rem;font-size:clamp(1.9rem,4.6vw,3rem);line-height:1.08;letter-spacing:-.02em;hyphens:auto;overflow-wrap:break-word}
.prose{max-width:46rem;padding-block:clamp(2.25rem,5vw,3.5rem) 1.5rem;font-size:1rem;overflow-wrap:break-word}
.prose > * + *{margin-top:1rem}
.prose h2{margin-top:2.6rem;font-size:clamp(1.3rem,2.3vw,1.6rem)}
.prose h3{margin-top:1.8rem;font-size:1.1rem}
.prose ul,.prose ol{padding-left:1.3rem}
.prose li + li{margin-top:.6rem}
.prose strong{font-weight:600}
.sub-back{padding-bottom:clamp(3rem,7vw,5rem);font-weight:500}

/* Fuß */
.foot{background:var(--black);color:rgba(255,255,255,.62);padding-block:3rem 2.25rem;font-size:.95rem}
.foot-in{display:grid;grid-template-columns:minmax(0,1fr);gap:2rem}
.foot .brand{margin:0 0 1rem;color:var(--white)}
.foot .brand span{border-left-color:rgba(255,255,255,.2)}
.foot address{font-style:normal;line-height:1.6}
.foot-nav{display:flex;flex-wrap:wrap;gap:.6rem 1.6rem;align-content:start}
.foot a{color:var(--white);text-decoration:none}
.foot a:hover{text-decoration:underline}
.foot-end{margin-top:2rem;padding-top:1.25rem;border-top:1px solid rgba(255,255,255,.12);font-size:.85rem}
@media (min-width:48rem){.foot-in{grid-template-columns:minmax(0,1fr) auto}}

@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .btn,.weg-karte,.faq summary::after,.top{transition:none}
  .chart.play .bar{animation:none}
}