@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@400;500;600;700;800&family=IBM+Plex+Mono:wght@500;600&display=swap');

/* =========================================================
   Kostenvoranschlag-Sofort.de – Design-System (Unterseiten)
   Hell · Lila · Plus Jakarta Sans
   Re-skinnt das bestehende Klassen-Vokabular der Unterseiten.
   ========================================================= */
:root{
  --ink:#0a0a0b;
  --ink-soft:#525252;
  --paper:#fdfdfd;
  --paper-2:#f5f5f5;
  --white:#ffffff;
  --line:#e7e7ee;
  --brass:#7033ff;
  --brass-soft:#ad8fdb;
  --seal-green:#2f7d4f;
  --muted:#525252;
  --red:#b23b34;
  --r:999px;
  --r-lg:10px;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:'Plus Jakarta Sans',system-ui,sans-serif;color:var(--ink);background:var(--paper);line-height:1.7;-webkit-font-smoothing:antialiased;overflow-x:hidden}
h1,h2,h3,h4{font-family:'Plus Jakarta Sans',system-ui,sans-serif;font-weight:600;line-height:1.15;letter-spacing:-.01em;color:var(--ink)}
a{color:inherit;text-decoration:none;transition:color .2s}

/* ---------- NAV ---------- */
nav{position:sticky;top:0;z-index:50;display:flex;align-items:center;justify-content:space-between;
  height:70px;padding:0 28px;background:rgba(253,253,253,.82);backdrop-filter:blur(12px);
  border-bottom:1px solid var(--line)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;width:100%;max-width:1140px;margin:0 auto}
.nav-logo{display:flex;align-items:center;gap:11px;font-family:'Plus Jakarta Sans',sans-serif;font-weight:600;font-size:20px;color:var(--ink)}
.logo-icon{width:38px;height:38px;border:1.5px solid var(--ink);border-radius:7px;background:var(--white)
  no-repeat center/19px url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' fill='none' stroke='%2316243a' stroke-width='1.8'%3E%3Cpath d='M7 3h7l5 5v13H7z'/%3E%3Cpath d='M14 3v5h5'/%3E%3Cpath d='M9.5 13l2 2 3.5-4'/%3E%3C/svg%3E");
  font-size:0;color:transparent;flex:none;display:inline-block;vertical-align:middle}
.logo-dot{color:var(--brass);margin:0 1px}
.nav-links{display:flex;gap:28px;align-items:center;list-style:none}
.nav-links a{font-size:15px;font-weight:500;color:var(--ink-soft)}
.nav-links a:hover{color:var(--ink)}
.nav-cta{display:inline-flex;align-items:center;gap:8px;background:var(--brass);color:var(--white)!important;
  padding:11px 20px;border-radius:var(--r);font-weight:600;font-size:14.5px}
.nav-cta:hover{background:#5a24e0}
.nav-burger{display:none;background:none;border:none;font-size:24px;color:var(--ink);cursor:pointer;line-height:1}
.mobile-menu{display:none;position:absolute;top:70px;left:0;right:0;background:var(--paper);
  border-bottom:1px solid var(--line);padding:8px 28px 18px;box-shadow:0 16px 30px -20px rgba(22,36,58,.5);z-index:49}
.mobile-menu.open{display:block}
.mobile-menu a{display:block;padding:14px 0;border-bottom:1px solid var(--line);font-size:16px;color:var(--ink-soft)}
.mobile-menu a.nav-cta{border:none;color:var(--white)!important;text-align:center;margin-top:12px;border-radius:var(--r)}

/* ---------- BUTTONS ---------- */
.btn-primary,.error-btn-primary{display:inline-flex;align-items:center;gap:9px;background:var(--brass);color:var(--white)!important;
  padding:14px 26px;border-radius:var(--r);font-family:'Plus Jakarta Sans',sans-serif;font-weight:600;font-size:15px;
  border:1.5px solid var(--brass);cursor:pointer;transition:.18s}
.btn-primary:hover,.error-btn-primary:hover{background:#5a24e0;transform:translateY(-1px)}
.error-btn,.error-btn-secondary{display:inline-flex;align-items:center;gap:9px;background:transparent;color:var(--ink)!important;
  padding:14px 26px;border-radius:var(--r);font-weight:600;font-size:15px;border:1.5px solid var(--ink);cursor:pointer}
.error-btn:hover,.error-btn-secondary:hover{background:var(--ink);color:var(--white)!important}

/* ---------- BREADCRUMBS ---------- */
.breadcrumbs,.breadcrumb{font-size:13.5px;color:var(--muted);margin-bottom:18px}
.breadcrumbs a,.breadcrumb a{color:var(--muted)}
.breadcrumbs a:hover,.breadcrumb a:hover{color:var(--brass)}
.breadcrumbs span,.breadcrumb span{margin:0 7px;color:var(--line)}

/* ---------- ARTICLE / RATGEBER ---------- */
.article-page,.grounding-page{background:var(--paper);padding:110px 28px 80px}
.article-content{max-width:780px;margin:0 auto;font-size:17px;line-height:1.8;color:var(--ink-soft)}
.article-content h1{font-size:clamp(30px,4vw,44px);color:var(--ink);margin-bottom:14px}
.article-meta{font-size:13.5px;color:var(--muted);margin-bottom:36px;padding-bottom:24px;border-bottom:1px solid var(--line)}
.article-content h2{font-size:26px;color:var(--ink);margin:42px 0 14px;padding-bottom:10px;border-bottom:1px solid var(--line)}
.article-content h3{font-size:20px;color:var(--ink);margin:30px 0 10px}
.article-content p{margin-bottom:16px}
.article-content ul,.article-content ol{margin:16px 0;padding-left:24px}
.article-content li{margin-bottom:9px}
.article-content strong{color:var(--ink);font-weight:600}
.article-content a{color:var(--brass);font-weight:500;border-bottom:1px solid var(--brass-soft)}
.article-content a:hover{color:var(--ink);border-bottom-color:var(--ink)}
.article-content table{width:100%;border-collapse:collapse;margin:24px 0;font-size:15px}
.article-content th{background:var(--ink);color:var(--white);text-align:left;padding:11px 14px;font-family:'Plus Jakarta Sans',sans-serif;font-weight:600}
.article-content td{padding:11px 14px;border-bottom:1px solid var(--line);background:var(--white)}

/* Info / Warnung / Erfolg / Fakten-Boxen */
.article-info,.article-warning,.article-success,.fact-box,.summary-box,.author-box,.article-cta-box{
  border-radius:var(--r-lg);padding:22px 26px;margin:28px 0;border:1px solid var(--line);background:var(--white)}
.article-info{border-left:4px solid var(--brass);border-radius:0 var(--r-lg) var(--r-lg) 0}
.article-warning{border-left:4px solid var(--red);border-radius:0 var(--r-lg) var(--r-lg) 0;background:#fbf3f1}
.article-success{border-left:4px solid var(--seal-green);border-radius:0 var(--r-lg) var(--r-lg) 0;background:#f1f7f3}
.fact-box,.summary-box{background:var(--paper-2)}
.article-info h3,.article-warning h3,.article-success h3,.fact-box h3,.summary-box h3,.author-box h4{margin-bottom:8px}
.author-box{display:flex;gap:16px;align-items:flex-start;font-size:14.5px;color:var(--muted)}

/* CTA innerhalb Artikel */
.article-cta,.cta-bar,.article-cta-box{text-align:center}
.article-cta{background:linear-gradient(135deg,#7033ff,#5a24e0);color:#fff;border-radius:22px;padding:40px;margin:40px 0;text-align:center;box-shadow:0 14px 40px -18px rgba(112,51,255,.5)}
.article-cta h2,.article-cta h3{color:#fff;border:none;margin-bottom:10px;padding:0}
.article-cta p{color:rgba(255,255,255,.88);margin-bottom:22px}
.article-cta .btn-primary,.article-cta a.btn-primary{background:#fff;border-color:#fff;color:#7033ff!important}
.article-cta .btn-primary:hover{background:#f0edff;color:#5a24e0!important}
.article-info{color:var(--ink-soft)}

/* Verwandte Artikel */
.article-related{max-width:780px;margin:10px auto 0;padding:36px 0 0;border-top:1px solid var(--line)}
.article-related h3{font-size:18px;margin-bottom:16px}
.article-info.right,.right{}

/* ---------- RATGEBER-HUB ---------- */
.ratgeber-hub{background:var(--paper);padding:110px 28px 80px}
.ratgeber-hub-header{max-width:1140px;margin:0 auto 40px}
.ratgeber-hub-header h1{font-size:clamp(32px,4vw,46px);margin-bottom:12px}
.ratgeber-hub-header p{font-size:17px;color:var(--ink-soft);max-width:640px}
.ratgeber-category{max-width:1140px;margin:0 auto 18px;font-family:'Plus Jakarta Sans',sans-serif;font-size:12px;font-weight:700;
  letter-spacing:.1em;text-transform:uppercase;color:var(--brass)}
.ratgeber-grid{max-width:1140px;margin:0 auto 40px;display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.ratgeber-card{background:var(--white);border:1px solid var(--line);border-radius:var(--r-lg);padding:24px 22px;
  color:var(--ink);transition:.25s;position:relative;overflow:hidden}
.ratgeber-card::after{content:"";position:absolute;left:0;bottom:0;height:3px;width:100%;background:var(--brass);transform:scaleX(0);transform-origin:left;transition:transform .25s}
.ratgeber-card:hover{transform:translateY(-3px);box-shadow:0 14px 30px -18px rgba(22,36,58,.4);border-color:var(--brass-soft)}
.ratgeber-card:hover::after{transform:scaleX(1)}
.ratgeber-card h3{font-size:17px;margin-bottom:7px;line-height:1.3}
.ratgeber-card p{font-size:13.5px;color:var(--muted);line-height:1.55}

/* ---------- FAQ ---------- */
.faq{max-width:780px;margin:24px auto}
.faq h2,.faq h3{font-family:'Plus Jakarta Sans',sans-serif}

/* ---------- MUSTER-KVA TABELLE (stilisiert, nicht herunterladbar) ---------- */
.muster-card,.muster-table{background:var(--white);border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;margin:28px 0}
.muster-header,.muster-table-head{display:flex;justify-content:space-between;align-items:flex-start;gap:16px;
  padding:20px 24px;border-bottom:2px solid var(--ink)}
.muster-header-left .t,.muster-table-head{font-family:'Plus Jakarta Sans',sans-serif;font-weight:600}
.muster-row,.muster-table-row{display:flex;justify-content:space-between;gap:16px;padding:11px 24px;
  border-bottom:1px dotted var(--line);font-size:14.5px}
.muster-row-highlight{background:var(--paper-2)}
.muster-row-totalloss{background:#fbf3f1;color:var(--red);font-weight:600}
.muster-table-total,.muster-table-sum,.muster-footer{display:flex;justify-content:space-between;gap:16px;
  padding:16px 24px;border-top:2px solid var(--ink);font-family:'Plus Jakarta Sans',sans-serif;font-weight:600;font-size:17px}
.muster-stamp{display:inline-grid;place-items:center;width:88px;height:88px;border-radius:50%;border:2px solid var(--brass);
  color:var(--brass);text-align:center;font-size:10px;font-weight:700;letter-spacing:.06em;text-transform:uppercase;
  transform:rotate(7deg);line-height:1.3}

/* ---------- LEGAL ---------- */
.legal-page{background:var(--white);padding:120px 28px 80px}
.legal-content{max-width:800px;margin:0 auto}
.legal-content h1{font-size:40px;margin-bottom:8px}
.legal-date{font-size:13.5px;color:var(--muted);margin-bottom:42px}
.legal-content h2{font-size:22px;margin-top:42px;margin-bottom:14px;padding-bottom:10px;border-bottom:1px solid var(--line)}
.legal-content h3{font-size:18px;margin-top:28px;margin-bottom:10px}
.legal-content p,.legal-content li{font-size:16px;line-height:1.8;color:var(--ink-soft);margin-bottom:14px}
.legal-content ul,.legal-content ol{margin:14px 0;padding-left:24px}
.legal-content a{color:var(--brass);border-bottom:1px solid var(--brass-soft)}

/* ---------- 404 ---------- */
.error-container{max-width:640px;margin:0 auto;padding:140px 28px 90px;text-align:center}
.error-code{font-family:'Plus Jakarta Sans',sans-serif;font-size:88px;font-weight:600;color:var(--brass);line-height:1}
.error-headline{font-size:28px;margin:10px 0 12px}
.error-text{font-size:16.5px;color:var(--ink-soft);margin-bottom:30px}
.error-actions{display:flex;gap:14px;justify-content:center;flex-wrap:wrap}

/* ---------- FOOTER ---------- */
footer{background:var(--ink);color:#cbc6ba;padding:60px 28px 30px;border-top:1px solid rgba(255,255,255,.08)}
.footer-grid{max-width:1140px;margin:0 auto 40px;display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:36px}
.footer-brand .nav-logo{color:#fff}
.footer-brand .logo-icon{border-color:#fff;background-color:transparent;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' fill='none' stroke='%23ffffff' stroke-width='1.8'%3E%3Cpath d='M7 3h7l5 5v13H7z'/%3E%3Cpath d='M14 3v5h5'/%3E%3Cpath d='M9.5 13l2 2 3.5-4'/%3E%3C/svg%3E")}
.footer-brand p{font-size:14px;opacity:.8;max-width:300px;margin-top:14px}
.footer-col h4{color:#fff;font-size:13px;text-transform:uppercase;letter-spacing:.1em;margin-bottom:16px;
  font-family:'Plus Jakarta Sans',sans-serif;font-weight:600}
.footer-col a{display:block;color:#cbc6ba;font-size:14px;padding:4px 0}
.footer-col a:hover{color:#fff}
.footer-bottom{max-width:1140px;margin:0 auto;border-top:1px solid rgba(255,255,255,.1);padding-top:24px;
  display:flex;justify-content:space-between;flex-wrap:wrap;gap:14px;font-size:13px;opacity:.75}
.footer-legal{display:flex;gap:22px}
.footer-bottom a:hover,.footer-legal a:hover{color:#fff}

/* ---------- RESPONSIVE ---------- */
@media(max-width:980px){
  .ratgeber-grid{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:640px){
  nav{padding:0 20px}
  .nav-links{display:none}
  .nav-burger{display:block}
  .article-page,.grounding-page,.ratgeber-hub{padding:96px 20px 60px}
  .ratgeber-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-bottom{flex-direction:column;text-align:center}
  .article-cta{padding:30px 22px}
}