/* Prima Bauelemente Magazin — Article Styles (shared) */
@font-face{
  font-family:'Lexend';
  font-style:normal;
  font-weight:100 900;
  font-display:swap;
  src:url('/fonts/lexend-var-latin.woff2') format('woff2-variations'),
      url('/fonts/lexend-var-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+2074,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD;
}

:root{
  --bg:#FFFFFF; --surface:#ffffff; --surface-2:#F2F2F2; --surface-paper:#FAFAF7;
  --line:#EBEBEB; --line-2:#C7C9CE;
  --ink:#2A2F38; --ink-2:#1A1F28; --ink-3:#6F7480; --ink-4:#8A8E97; --ink-5:#B0B3BA;
  --accent:#162C70; --accent-2:#071842; --accent-light:#A6B0CF;
  --warm:#FFD803; --warm-hover:#CCAD02;
  --trust:#156E3F; --error:#a3382b;
  --f-sans:'Lexend','Inter','Helvetica Neue',system-ui,sans-serif;
  --maxw:1180px; --maxw-prose:720px;
  --gutter:clamp(20px,3vw,40px);
  --r-sm:8px; --r-md:12px; --r-lg:18px; --r-full:999px;
  --ease:cubic-bezier(.2,.7,.3,1);
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{font-family:var(--f-sans);font-size:17.5px;line-height:1.65;color:var(--ink);background:var(--bg);-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;overflow-x:hidden}
img,svg{max-width:100%;display:block}
a{color:var(--accent);text-decoration:underline;text-underline-offset:3px;text-decoration-thickness:1px;text-decoration-color:rgba(22,44,112,.35);transition:text-decoration-color .15s var(--ease)}
a:hover{text-decoration-color:var(--accent)}
button{font-family:inherit;cursor:pointer;border:0;background:none;color:inherit}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
*:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:6px}

/* HEADER */
.header{position:sticky;top:0;z-index:60;background:rgba(255,255,255,.94);backdrop-filter:saturate(180%) blur(10px);-webkit-backdrop-filter:saturate(180%) blur(10px);border-bottom:1px solid var(--line)}
.header-inner{max-width:var(--maxw);margin:0 auto;padding:14px var(--gutter);display:grid;grid-template-columns:auto 1fr auto;gap:24px;align-items:center}
.logo{display:inline-flex;align-items:baseline;gap:8px;line-height:1;text-decoration:none}
.logo strong{font-size:20px;font-weight:800;color:var(--accent-2);letter-spacing:-.025em}
.logo .mag-tag{font-size:11px;font-weight:600;color:var(--ink-3);letter-spacing:.04em;text-transform:uppercase;border-left:1px solid var(--line-2);padding-left:10px;align-self:center}
.header-nav{display:flex;justify-content:center;gap:22px;font-size:14px;color:var(--ink-2);font-weight:500;grid-column:2}
.header-nav a{color:var(--ink-2);text-decoration:none;transition:color .15s var(--ease)}
.header-nav a:hover{color:var(--accent)}
.header-phone{display:inline-flex;align-items:center;gap:8px;font-size:14.5px;font-weight:700;color:var(--accent);text-decoration:none;padding:10px 18px 10px 14px;background:var(--warm);border:1px solid var(--warm);border-radius:var(--r-full);transition:background .18s var(--ease);min-height:44px;grid-column:3;justify-self:end}
.header-phone:hover{background:var(--warm-hover);border-color:var(--warm-hover);text-decoration:none}
@media (max-width:980px){.header-nav{display:none}}
@media (max-width:640px){.header-phone{width:44px;height:44px;padding:0;gap:0;justify-content:center;font-size:0}.header-phone svg{width:18px;height:18px}.header-phone .label{display:none}.logo .mag-tag{display:none}}

/* ARTICLE LAYOUT */
.article-hero{padding:clamp(40px,5vw,72px) var(--gutter) clamp(28px,3.5vw,48px);border-bottom:1px solid var(--line)}
.article-hero-inner{max-width:var(--maxw-prose);margin:0 auto}
.crumb{display:flex;flex-wrap:wrap;gap:6px;align-items:center;font-size:13px;color:var(--ink-3);margin-bottom:22px}
.crumb a{color:var(--ink-3);text-decoration:none}
.crumb a:hover{color:var(--accent)}
.crumb span.sep{color:var(--ink-5);user-select:none}
.crumb .here{color:var(--ink-2);font-weight:500}
.article-tag{display:inline-flex;align-items:center;font-size:11px;font-weight:700;letter-spacing:.06em;text-transform:uppercase;padding:5px 11px;border-radius:var(--r-full);background:var(--surface-2);color:var(--accent-2);margin-bottom:16px}
.article-tag.foerderung{background:rgba(22,110,63,.12);color:var(--trust)}
.article-tag.waermepumpe{background:rgba(22,44,112,.1);color:var(--accent)}
.article-tag.sanierung{background:rgba(255,216,3,.22);color:#7A4F00}
.article-tag.solar{background:rgba(204,173,2,.18);color:#7A4F00}
.article-tag.fenster{background:rgba(125,75,30,.1);color:#5C3F1F}
.article-h1{font-weight:700;font-size:clamp(28px,4vw,46px);line-height:1.13;letter-spacing:-.022em;color:var(--accent-2);margin-bottom:18px}
.article-lede{font-size:clamp(17px,1.5vw,20px);line-height:1.55;color:var(--ink-3);max-width:640px}
.article-meta-row{display:flex;flex-wrap:wrap;gap:8px 22px;margin-top:30px;padding-top:22px;border-top:1px solid var(--line);font-size:13px;color:var(--ink-3)}
.article-meta-row .item{display:inline-flex;align-items:center;gap:7px}
.article-meta-row svg{width:14px;height:14px;color:var(--ink-4);flex-shrink:0}

.article-hero-img{max-width:var(--maxw);margin:0 auto;padding:0 var(--gutter)}
.article-hero-img figure{margin:24px auto 0;max-width:var(--maxw-prose)}
.article-hero-img img{width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:var(--r-md);background:var(--surface-2)}
.article-hero-img figcaption{margin-top:12px;font-size:13px;color:var(--ink-4);line-height:1.5}

.article-body{padding:clamp(36px,4.5vw,64px) var(--gutter) clamp(60px,7vw,100px)}
.article-body-inner{max-width:var(--maxw-prose);margin:0 auto;font-size:17.5px;line-height:1.72;color:var(--ink)}
.article-body-inner h2{font-weight:700;font-size:clamp(22px,2.6vw,30px);line-height:1.22;letter-spacing:-.015em;color:var(--accent-2);margin:48px 0 18px;scroll-margin-top:90px}
.article-body-inner h2:first-child{margin-top:0}
.article-body-inner h3{font-weight:600;font-size:clamp(18px,1.7vw,21px);line-height:1.3;letter-spacing:-.01em;color:var(--accent-2);margin:32px 0 12px;scroll-margin-top:90px}
.article-body-inner p{margin-bottom:18px}
.article-body-inner p:last-child{margin-bottom:0}
.article-body-inner ul,.article-body-inner ol{margin:0 0 22px;padding-left:24px}
.article-body-inner li{margin-bottom:8px;line-height:1.6}
.article-body-inner li::marker{color:var(--ink-4)}
.article-body-inner strong{font-weight:700;color:var(--ink-2)}

.toc{background:var(--surface-paper);border:1px solid var(--line);border-radius:var(--r-md);padding:20px 24px;margin:0 0 36px}
.toc-title{font-size:11px;font-weight:700;color:var(--ink-3);letter-spacing:.08em;text-transform:uppercase;margin-bottom:12px}
.toc ol{list-style:none;padding:0;margin:0;counter-reset:toc;display:flex;flex-direction:column;gap:6px}
.toc li{counter-increment:toc;padding-left:28px;position:relative;font-size:14.5px;line-height:1.4;margin:0}
.toc li::before{content:counter(toc,decimal-leading-zero);position:absolute;left:0;top:1px;font-size:11px;color:var(--ink-4);font-weight:700;letter-spacing:.04em}
.toc a{color:var(--ink-2);text-decoration:none;transition:color .15s var(--ease)}
.toc a:hover{color:var(--accent);text-decoration:underline;text-underline-offset:3px}

.callout{margin:28px 0;padding:20px 24px;border-radius:var(--r-md);background:var(--surface-paper);border:1px solid var(--line);font-size:15.5px;line-height:1.6}
.callout-title{display:block;font-size:11px;font-weight:700;color:var(--accent);letter-spacing:.08em;text-transform:uppercase;margin-bottom:8px}
.callout.warn{background:#FFFDF2;border-color:rgba(204,173,2,.45)}
.callout.warn .callout-title{color:#7A4F00}
.callout p{margin:0 0 10px}
.callout p:last-child{margin-bottom:0}

.t-wrap{margin:24px 0 32px;overflow-x:auto;border:1px solid var(--line);border-radius:var(--r-md);background:var(--surface)}
.article-body-inner table{width:100%;border-collapse:collapse;font-size:15px;min-width:560px}
.article-body-inner thead{background:var(--surface-paper)}
.article-body-inner th{text-align:left;font-weight:700;color:var(--accent-2);font-size:13px;letter-spacing:.02em;padding:13px 18px;border-bottom:1px solid var(--line)}
.article-body-inner td{padding:13px 18px;border-bottom:1px solid var(--line);color:var(--ink);vertical-align:top}
.article-body-inner tbody tr:last-child td{border-bottom:0}
.article-body-inner td strong{color:var(--accent-2)}

/* WIDGET shared */
.pb-widget{margin:36px 0;background:var(--accent-2);color:#fff;border-radius:var(--r-lg);overflow:hidden;position:relative}
.pb-widget-inner{padding:clamp(24px,3vw,36px)}
.pb-widget-eyebrow{display:inline-flex;align-items:center;gap:7px;font-size:10.5px;font-weight:700;color:var(--warm);letter-spacing:.08em;text-transform:uppercase;margin-bottom:14px}
.pb-widget-eyebrow .dot{width:6px;height:6px;border-radius:50%;background:var(--warm)}
.pb-widget h3{color:#fff;font-weight:700;font-size:clamp(20px,2.2vw,26px);line-height:1.22;letter-spacing:-.012em;margin:0 0 8px}
.pb-widget-sub{font-size:14.5px;color:rgba(255,255,255,.7);line-height:1.55;margin-bottom:22px;max-width:520px}
.pb-widget-cta{display:inline-flex;align-items:center;justify-content:center;gap:8px;background:var(--warm);color:var(--accent-2);padding:13px 24px;min-height:48px;border-radius:var(--r-full);font-weight:700;font-size:14.5px;letter-spacing:-.005em;transition:background .15s var(--ease);text-decoration:none;width:auto}
.pb-widget-cta:hover{background:var(--warm-hover);text-decoration:none}
.pb-widget-disclaimer{font-size:12px;color:rgba(255,255,255,.42);margin-top:14px;line-height:1.5}

/* Inline-CTA-Vertical-Box (V2.2) */
.pb-widget-cta-vertical{background:#162C70}
.pb-cta-flex{display:grid;grid-template-columns:1.7fr auto;gap:32px;align-items:center}
@media (max-width:640px){.pb-cta-flex{grid-template-columns:1fr;gap:22px}}
.pb-cta-usps{list-style:none;padding:0;margin:18px 0 0;display:flex;flex-direction:column;gap:9px}
.pb-cta-usps li{display:flex;align-items:flex-start;gap:10px;font-size:14.5px;color:rgba(255,255,255,.86);line-height:1.5}
.pb-cta-usps li svg{width:16px;height:16px;color:var(--warm);flex-shrink:0;margin-top:3px}
.pb-cta-action{display:flex;flex-direction:column;gap:8px;align-items:stretch;justify-content:center;min-width:200px}
.pb-cta-action .pb-widget-cta{width:100%;justify-content:center}
.pb-cta-side-note{font-size:12px;color:rgba(255,255,255,.55);text-align:center;line-height:1.4}

.sources{margin:48px 0 0;padding:28px 0 0;border-top:1px solid var(--line);font-size:14px;line-height:1.55}
.sources-title{font-size:11px;font-weight:700;color:var(--ink-3);letter-spacing:.08em;text-transform:uppercase;margin-bottom:14px}
.sources ul{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:8px}
.sources li{padding-left:18px;position:relative}
.sources li::before{content:"";position:absolute;left:0;top:9px;width:7px;height:1px;background:var(--ink-5)}
.sources a{color:var(--ink-2);text-decoration:underline;text-underline-offset:2px;text-decoration-color:var(--line-2)}
.sources a:hover{text-decoration-color:var(--accent)}
.sources .src-meta{color:var(--ink-4);font-size:12.5px;margin-left:4px}

.faq-section{margin:48px 0 0}
.faq-section > h2{margin-bottom:12px !important}
.faq-item{border-bottom:1px solid var(--line);padding:18px 0}
.faq-item:last-child{border-bottom:0}
.faq-item h3{margin:0 0 10px !important;font-size:17.5px !important;font-weight:700}
.faq-item p{font-size:16px;color:var(--ink);margin:0}

.next-strip{background:var(--surface-paper);border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:clamp(40px,5vw,68px) var(--gutter)}
.next-strip-inner{max-width:var(--maxw-prose);margin:0 auto}
.next-eyebrow{font-size:11px;font-weight:700;color:var(--ink-3);letter-spacing:.08em;text-transform:uppercase;margin-bottom:14px}
.next-strip h2{font-weight:700;font-size:clamp(22px,2.4vw,28px);line-height:1.22;color:var(--accent-2);letter-spacing:-.015em;margin-bottom:24px}
.next-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}
@media (max-width:640px){.next-grid{grid-template-columns:1fr}}
.next-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);padding:22px 24px 24px;display:flex;flex-direction:column;gap:8px;text-decoration:none;transition:transform .2s var(--ease),border-color .2s var(--ease),box-shadow .2s var(--ease)}
.next-card:hover{transform:translateY(-2px);border-color:var(--line-2);box-shadow:0 12px 28px -20px rgba(7,24,66,.16);text-decoration:none}
.next-card-eye{font-size:10.5px;font-weight:700;color:var(--ink-3);letter-spacing:.08em;text-transform:uppercase}
.next-card-title{font-weight:700;font-size:17px;color:var(--accent-2);line-height:1.3;letter-spacing:-.01em;text-decoration:none}
.next-card-sub{font-size:13.5px;color:var(--ink-3);line-height:1.5;text-decoration:none}

.footer{background:var(--accent-2);color:rgba(255,255,255,.78);padding:56px var(--gutter) 32px}
.footer-inner{max-width:var(--maxw);margin:0 auto}
.footer-grid{display:grid;grid-template-columns:1.4fr repeat(5,1fr);gap:36px 32px}
@media (max-width:1100px){.footer-grid{grid-template-columns:repeat(3,1fr);gap:32px}}
@media (max-width:680px){.footer-grid{grid-template-columns:1fr 1fr;gap:28px}}
@media (max-width:440px){.footer-grid{grid-template-columns:1fr;gap:24px}}
.footer-logo{font-weight:800;color:#fff;font-size:18px;letter-spacing:-.02em;margin-bottom:8px;display:inline-block;text-decoration:none}
.footer-about{font-size:13.5px;line-height:1.6;color:rgba(255,255,255,.65);max-width:340px}
.footer-col-title{font-size:11px;font-weight:700;color:rgba(255,255,255,.55);letter-spacing:.08em;text-transform:uppercase;margin-bottom:14px}
.footer-col ul{list-style:none;display:flex;flex-direction:column;gap:9px;padding:0}
.footer-col a{font-size:13.5px;color:rgba(255,255,255,.75);transition:color .15s var(--ease);text-decoration:none}
.footer-col a:hover{color:#fff;text-decoration:none}
.footer-legal{margin-top:40px;padding-top:24px;border-top:1px solid rgba(255,255,255,.12);display:flex;flex-wrap:wrap;gap:8px 18px;font-size:12px;color:rgba(255,255,255,.5)}
.footer-legal a{color:rgba(255,255,255,.7);text-decoration:none}
.footer-legal a:hover{color:#fff}

.dsgvo-banner{position:fixed;bottom:14px;left:14px;right:14px;z-index:80;max-width:540px;margin:0 auto;background:rgba(255,255,255,.96);backdrop-filter:blur(10px);border:1px solid var(--line-2);border-radius:var(--r-md);padding:16px 20px;box-shadow:0 20px 50px -20px rgba(7,24,66,.32);display:flex;gap:14px;align-items:center;flex-wrap:wrap;font-size:12.5px;line-height:1.5;color:var(--ink-3)}
.dsgvo-banner.hidden{display:none}
.dsgvo-banner p{flex:1;min-width:180px;margin:0}
.dsgvo-banner button{background:var(--warm);color:var(--accent-2);padding:9px 16px;min-height:38px;border-radius:var(--r-full);font-weight:700;font-size:13px;text-decoration:none;border:0;cursor:pointer}
.dsgvo-banner button:hover{background:var(--warm-hover)}
.dsgvo-banner a{color:var(--ink-2);text-decoration:underline;text-underline-offset:2px;font-weight:500}

/* ================ STANDARD FOOTER (Tier 2) ================ */
.std-footer{background:#0A1330;color:rgba(255,255,255,.72);padding:64px var(--gutter,clamp(20px,3vw,40px)) 26px;font-family:var(--f-sans,'Lexend','Inter',system-ui,sans-serif)}
.std-footer *{box-sizing:border-box}
.std-footer-grid{max-width:var(--maxw,1180px);margin:0 auto;display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:40px}
@media (max-width:880px){.std-footer-grid{grid-template-columns:1fr 1fr;gap:32px}}
@media (max-width:540px){.std-footer-grid{grid-template-columns:1fr;gap:28px}}
.std-footer h5{color:#fff;font-size:13px;font-weight:700;letter-spacing:.06em;text-transform:uppercase;margin:0 0 16px}
.std-footer ul{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:9px}
.std-footer a{color:rgba(255,255,255,.62);text-decoration:none;font-size:14.5px;transition:color .15s}
.std-footer a:hover{color:#fff;text-decoration:underline}
.std-footer-logo{display:inline-block;line-height:0;margin-bottom:14px}
.std-footer-logo img{height:38px;width:auto;display:block}
.std-footer-about p{font-size:14px;line-height:1.6;color:rgba(255,255,255,.62);margin:0 0 12px}
.std-footer-about p:last-child{margin-bottom:0}
.std-footer-address a{color:rgba(255,255,255,.78);font-weight:500}
.std-footer-base{max-width:var(--maxw,1180px);margin:40px auto 0;padding-top:22px;border-top:1px solid rgba(255,255,255,.1);display:flex;flex-wrap:wrap;gap:8px 20px;font-size:12px;color:rgba(255,255,255,.45)}