/*
Theme Name: BIM24.io
Theme URI: https://bim24.io
Author: PSCoat SEO
Description: Themenportal zu BIM (Building Information Modeling) im Bauwesen. Konzernportal-Layout im Stil eines TYPO3-Herstellerportals mit Zielgruppen-Umschalter, Bild-Carousel und Themenwelten-Kachelraster.
Version: 1.0.0
Text Domain: t-bim24-io
*/

/* ==========================================================================
   0. Tokens
   ========================================================================== */
:root{
  --bg:#f9f9f9;
  --surface:#f0f0f1;
  --text:#242628;
  --muted:#646b75;
  --primary:#25837d;
  --primary-dark:#268a83;
  --secondary:#337570;
  --secondary-dark:#255a56;
  --accent:#2c75b5;
  --link:#167872;
  --border:#dfe0e2;
  --radius-s:4px;
  --radius-m:10px;
  --radius-l:16px;
  --shadow-s:0 1px 3px rgba(40,36,39,.08);
  --shadow-m:0 6px 24px rgba(40,36,39,.10);
  --maxw:1240px;
  --font:"DM Sans", "Segoe UI", Arial, sans-serif;
}

*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font);
  background:var(--bg);
  color:var(--text);
  font-size:17px;
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;height:auto;}
a{color:var(--link);text-decoration:none;}
a:hover{text-decoration:underline;}
h1,h2,h3,h4{font-family:var(--font);font-weight:700;line-height:1.2;color:var(--text);margin:0 0 .5em;}
h1{font-size:clamp(1.9rem,3.6vw,3rem);}
h2{font-size:clamp(1.4rem,2.4vw,1.9rem);}
h3{font-size:1.15rem;}
p{margin:0 0 1.1em;}
ul,ol{margin:0 0 1.1em;padding-left:1.3em;}
.container{max-width:var(--maxw);margin:0 auto;padding:0 24px;}
.visually-hidden{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;}
.skip-link{position:absolute;left:-9999px;top:0;background:var(--secondary);color:#ffffff;padding:10px 16px;z-index:1000;border-radius:0 0 var(--radius-s) 0;}
.skip-link:focus{left:0;}
button{font-family:var(--font);}

/* ==========================================================================
   1. Topbar
   ========================================================================== */
.topbar{background:var(--surface);border-bottom:1px solid var(--border);font-size:13px;color:var(--muted);}
.topbar__inner{display:flex;align-items:center;justify-content:space-between;padding:7px 24px;max-width:var(--maxw);margin:0 auto;gap:16px;}
.topbar__links{display:flex;gap:18px;flex-wrap:wrap;}
.topbar__links a{color:var(--muted);}
.topbar__links a:hover{color:var(--primary-dark);}
.topbar__lang{display:flex;align-items:center;gap:6px;}
.topbar__lang-pill{display:inline-flex;align-items:center;justify-content:center;min-width:30px;height:22px;padding:0 8px;background:#ffffff;border:1px solid var(--border);border-radius:20px;font-weight:700;font-size:12px;color:var(--text);letter-spacing:.03em;}

/* ==========================================================================
   2. Hauptheader
   ========================================================================== */
.site-header{position:sticky;top:0;z-index:200;background:var(--bg);border-bottom:1px solid var(--border);}
.header-main{display:flex;align-items:center;gap:20px;padding:14px 24px;max-width:var(--maxw);margin:0 auto;}
.brand{display:flex;align-items:center;gap:10px;font-weight:700;font-size:1.35rem;color:var(--text);flex-shrink:0;}
.brand:hover{text-decoration:none;}
.brand__mark{width:36px;height:36px;flex-shrink:0;}
.brand__name{white-space:nowrap;}
.brand__name b{color:var(--primary-dark);}

.primary-nav{display:flex;gap:2px;margin-left:8px;flex:1;}
.primary-nav__item{position:relative;}
.primary-nav__btn{display:flex;align-items:center;gap:6px;background:none;border:none;cursor:pointer;padding:12px 14px;font-size:.98rem;font-weight:500;color:var(--text);border-radius:var(--radius-s);}
.primary-nav__btn:hover,.primary-nav__item.is-open .primary-nav__btn{color:var(--primary-dark);background:var(--surface);}
.primary-nav__btn svg{width:10px;height:10px;transition:transform .15s;}
.primary-nav__item.is-open .primary-nav__btn svg{transform:rotate(180deg);}

.mega{position:absolute;left:0;top:calc(100% + 1px);width:min(760px,90vw);background:#ffffff;border:1px solid var(--border);border-radius:0 0 var(--radius-m) var(--radius-m);box-shadow:var(--shadow-m);padding:26px;display:none;grid-template-columns:1fr;gap:22px;}
.primary-nav__item.is-open .mega{display:grid;}
.mega--portal{width:340px;}
.mega__desc{color:var(--muted);font-size:.94rem;margin-bottom:12px;}
.mega h3{font-size:1.02rem;margin-bottom:8px;color:var(--secondary);}
.mega__points{list-style:none;padding:0;margin:0 0 14px;display:flex;flex-direction:column;gap:5px;}
.mega__points li{padding-left:16px;position:relative;font-size:.92rem;color:var(--text);}
.mega__points li::before{content:"";position:absolute;left:0;top:.6em;width:6px;height:6px;border-radius:50%;background:var(--primary);}
.mega__link{font-weight:600;color:var(--primary-dark);display:inline-flex;align-items:center;gap:5px;}
.mega__link svg{width:12px;height:12px;flex-shrink:0;}
.mega__pagelist{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:10px;}
.mega__pagelist a{font-weight:600;color:var(--text);}
.mega__pagelist a:hover{color:var(--primary-dark);}

.header-audience{display:flex;align-items:center;gap:10px;margin-left:auto;flex-shrink:0;}
.audience-switch{display:inline-flex;background:var(--surface);border-radius:30px;padding:3px;gap:2px;border:1px solid var(--border);}
.audience-switch__btn{border:none;background:none;padding:8px 14px;border-radius:26px;font-size:.86rem;font-weight:600;color:var(--muted);cursor:pointer;white-space:nowrap;}
.audience-switch__btn.is-active{background:var(--secondary);color:#ffffff;}
.audience-switch__btn:not(.is-active):hover{color:var(--text);}
.audience-switch-mobile{display:none;position:relative;align-items:center;}
.audience-switch-mobile select{appearance:none;-webkit-appearance:none;font-family:var(--font);font-weight:600;font-size:.86rem;color:#ffffff;background:var(--secondary);border:1px solid var(--secondary-dark);border-radius:30px;padding:9px 30px 9px 14px;cursor:pointer;}
.audience-switch-mobile svg{position:absolute;right:12px;top:50%;transform:translateY(-50%);width:10px;height:10px;color:#ffffff;pointer-events:none;}

.burger{display:none;background:none;border:1px solid var(--border);border-radius:var(--radius-s);width:42px;height:42px;align-items:center;justify-content:center;cursor:pointer;flex-shrink:0;}
.burger svg{width:20px;height:20px;}

/* ==========================================================================
   3. Hero-Carousel
   ========================================================================== */
.hero-carousel{position:relative;overflow:hidden;background:var(--secondary-dark);}
.hero-slide{position:relative;display:none;min-height:440px;align-items:flex-end;}
.hero-slide.is-active{display:flex;}
.hero-slide__bg{position:absolute;inset:0;background-size:cover;background-position:center;}
.hero-slide__bg::after{content:"";position:absolute;inset:0;background:linear-gradient(0deg,rgba(20,27,30,.82) 0%,rgba(20,27,30,.42) 55%,rgba(20,27,30,.28) 100%);}
.hero-slide__illustration{position:absolute;inset:0;}
.hero-slide__content{position:relative;z-index:2;color:#ffffff;max-width:var(--maxw);margin:0 auto;padding:60px 24px 52px;width:100%;}
.hero-slide__eyebrow{display:inline-block;font-size:.82rem;font-weight:600;letter-spacing:.04em;text-transform:uppercase;color:#ccf1ee;margin-bottom:12px;}
.hero-slide__content h1,.hero-slide__content h2{color:#ffffff;max-width:680px;}
.hero-slide__content p{color:#e6f1f0;max-width:560px;font-size:1.05rem;}
.hero-cta{display:inline-flex;align-items:center;gap:8px;background:var(--primary);color:#ffffff;font-weight:700;padding:13px 24px;border-radius:var(--radius-s);margin-top:8px;white-space:nowrap;}
.hero-cta:hover{background:var(--primary-dark);text-decoration:none;}
.hero-cta svg{width:14px;height:14px;flex-shrink:0;}
.hero-slide__credit{display:block;margin-top:14px;font-size:.72rem;color:rgba(255,255,255,.65);}
.hero-dots{position:absolute;right:24px;bottom:22px;z-index:3;display:flex;gap:8px;}
.hero-dots button{width:9px;height:9px;border-radius:50%;border:1px solid rgba(255,255,255,.7);background:transparent;padding:0;cursor:pointer;}
.hero-dots button.is-active{background:#ffffff;}
.hero-arrows{position:absolute;inset:0;display:flex;align-items:center;justify-content:space-between;pointer-events:none;z-index:3;padding:0 14px;}
.hero-arrows button{pointer-events:auto;width:38px;height:38px;border-radius:50%;background:rgba(255,255,255,.15);border:1px solid rgba(255,255,255,.5);color:#ffffff;display:flex;align-items:center;justify-content:center;cursor:pointer;}
.hero-arrows button:hover{background:rgba(255,255,255,.3);}
.hero-arrows svg{width:16px;height:16px;}

/* ==========================================================================
   4. Themenwelten-Kachelraster
   ========================================================================== */
.section{padding:56px 0;}
.section--tight{padding:40px 0;}
.section-head{max-width:640px;margin:0 auto 34px;text-align:center;}
.section-head p{color:var(--muted);}
.section--surface{background:var(--surface);}

.kachel-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
.kachel{position:relative;background:#ffffff;border:1px solid var(--border);border-radius:var(--radius-l);padding:26px 24px 24px;display:flex;flex-direction:column;gap:10px;transition:box-shadow .18s,transform .18s,opacity .18s,filter .18s;}
.kachel:hover{box-shadow:var(--shadow-m);transform:translateY(-3px);}
.kachel__icon{width:44px;height:44px;color:var(--primary);}
.kachel__icon svg{width:100%;height:100%;}
.kachel h3{margin-bottom:2px;}
.kachel p{color:var(--muted);font-size:.95rem;margin-bottom:6px;flex:1;}
.kachel__link{font-weight:700;font-size:.92rem;color:var(--primary-dark);display:inline-flex;align-items:center;gap:6px;}
.kachel__link svg{width:13px;height:13px;}
.kachel.is-dim{opacity:.42;filter:grayscale(.35);}
.kachel.is-match{box-shadow:0 0 0 2px var(--primary);}

.kachel--anzeige{background:var(--surface);border-style:dashed;}
.kachel__label{position:absolute;top:16px;right:16px;background:var(--accent);color:#ffffff;font-size:.68rem;font-weight:700;letter-spacing:.05em;text-transform:uppercase;padding:3px 9px;border-radius:20px;}

/* ==========================================================================
   5. Kurz vorgestellt / Kontakt-Leiste
   ========================================================================== */
.vorstellung{display:grid;grid-template-columns:1.1fr .9fr;gap:44px;align-items:center;}
.vorstellung__text p{font-size:1.02rem;}
.vorstellung__panel{background:#ffffff;border:1px solid var(--border);border-radius:var(--radius-l);padding:28px;}
.vorstellung__panel dl{display:grid;grid-template-columns:auto 1fr;gap:8px 14px;margin:0;font-size:.94rem;}
.vorstellung__panel dt{color:var(--muted);}
.vorstellung__panel dd{margin:0;font-weight:600;}
.btn{display:inline-flex;align-items:center;gap:8px;background:var(--secondary);color:#ffffff;font-weight:700;padding:12px 22px;border-radius:var(--radius-s);white-space:nowrap;}
.btn:hover{background:var(--secondary-dark);text-decoration:none;color:#ffffff;}
.btn svg{width:14px;height:14px;flex-shrink:0;}
.btn--ghost{background:#ffffff;border:1px solid var(--border);color:var(--text);}
.btn--ghost:hover{background:var(--surface);color:var(--text);}

.contact-strip{background:var(--secondary);color:#ffffff;padding:34px 0;}
.contact-strip .container{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:20px;}
.contact-strip h2{color:#ffffff;font-size:1.3rem;margin:0;}
.contact-strip p{color:#d7eeec;margin:4px 0 0;}
.contact-strip__actions{display:flex;gap:12px;flex-wrap:wrap;}
.contact-strip .btn{background:#ffffff;color:var(--secondary-dark);}
.contact-strip .btn:hover{background:#eff6f6;color:var(--secondary-dark);}

/* ==========================================================================
   6. Artikel / Seiteninhalt
   ========================================================================== */
.breadcrumb{font-size:.86rem;color:var(--muted);padding:16px 0;}
.breadcrumb a{color:var(--muted);}
.breadcrumb a:hover{color:var(--primary-dark);}
.article-head{max-width:820px;margin:0 auto;padding:8px 0 30px;}
.article-head__meta{display:flex;gap:14px;flex-wrap:wrap;font-size:.86rem;color:var(--muted);margin-bottom:10px;}
.article-head h1{margin-bottom:6px;}
.article-hero-img{max-width:var(--maxw);margin:0 auto 8px;border-radius:var(--radius-l);overflow:hidden;}
.article-hero-img figcaption{font-size:.78rem;color:var(--muted);padding:8px 4px 0;}

.entry-content{max-width:780px;margin:0 auto;font-size:1.05rem;}
.entry-content h2{margin-top:1.6em;padding-top:.2em;border-top:1px solid var(--border);}
.entry-content h2:first-child{border-top:none;margin-top:0;}
.entry-content h3{margin-top:1.3em;color:var(--secondary);}
.entry-content p{color:var(--text);}
.entry-content a{font-weight:600;}
.entry-content ul li,.entry-content ol li{margin-bottom:.4em;}
.entry-content blockquote{margin:1.6em 0;padding:16px 22px;border-left:4px solid var(--primary);background:var(--surface);border-radius:0 var(--radius-s) var(--radius-s) 0;color:var(--text);font-style:italic;}
.entry-content figure{margin:1.6em 0;}
.entry-content figcaption{font-size:.82rem;color:var(--muted);margin-top:6px;}
.entry-content code{background:var(--surface);padding:2px 6px;border-radius:4px;font-size:.9em;font-family:"IBM Plex Mono",Consolas,monospace;}
.entry-content pre{background:var(--secondary-dark);color:#eff6f6;padding:16px;border-radius:var(--radius-s);overflow-x:auto;}
.entry-content pre code{background:none;color:inherit;padding:0;}
.entry-content table{width:100%;border-collapse:collapse;margin:1.6em 0;font-size:.94rem;}
.entry-content caption{text-align:left;font-size:.85rem;color:var(--muted);margin-bottom:6px;}
.entry-content th,.entry-content td{border:1px solid var(--border);padding:10px 12px;text-align:left;vertical-align:top;}
.entry-content th{background:var(--surface);font-weight:700;color:var(--secondary);}
.entry-content tr:nth-child(even) td{background:#fcfcfc;}

.entry-content .anzeige,.entry-content .anzeige-block{position:relative;background:var(--surface);border:1px solid var(--border);border-left:4px solid var(--accent);border-radius:var(--radius-s);padding:22px 22px 20px;margin:2em 0;}
.entry-content .anzeige-label{display:inline-block;background:var(--accent);color:#ffffff;font-size:.68rem;font-weight:700;letter-spacing:.05em;text-transform:uppercase;padding:3px 10px;border-radius:20px;margin-bottom:10px;}
.entry-content .anzeige p:last-child,.entry-content .anzeige-block p:last-child{margin-bottom:0;}

.belegstatus,.entry-content h2:has(+ *) + .belegstatus{}
.entry-content h2:last-of-type{}
/* Belegstatus-Abschnitt optisch als Faktenbox absetzen (Heading-Text-Match per JS-Klasse .is-belegstatus) */
.entry-content .is-belegstatus{background:#ffffff;border:1px solid var(--border);border-radius:var(--radius-m);padding:20px 22px;margin:2em 0 0;}
.entry-content .is-belegstatus h2{border-top:none;margin-top:0;padding-top:0;font-size:1.05rem;}

.related{max-width:var(--maxw);margin:0 auto;padding:8px 24px 0;}

/* ==========================================================================
   7. Seiten (Über, Kontakt) im Kachel-Look
   ========================================================================== */
.page-head{background:var(--surface);padding:44px 0;text-align:center;}
.page-head h1{margin:0;}
.page-content{max-width:760px;margin:0 auto;padding:44px 24px;font-size:1.05rem;}
.info-cards{display:grid;grid-template-columns:repeat(2,1fr);gap:18px;margin-top:10px;}
.info-card{background:#ffffff;border:1px solid var(--border);border-radius:var(--radius-m);padding:20px 22px;}
.info-card h3{font-size:.98rem;color:var(--secondary);margin-bottom:8px;display:flex;align-items:center;gap:8px;}
.info-card h3 svg{width:19px;height:19px;flex-shrink:0;color:var(--primary);}
.info-card a{font-weight:600;}
.info-card p{margin:0;color:var(--text);font-size:.98rem;}

/* ==========================================================================
   8. Footer
   ========================================================================== */
.site-footer{background:var(--bg);color:var(--text);border-top:1px solid var(--border);margin-top:20px;}
.footer-grid{display:grid;grid-template-columns:1.3fr 1fr 1fr 1fr 1.3fr;gap:30px;padding:48px 0 30px;}
.footer-col h3{font-size:.92rem;text-transform:uppercase;letter-spacing:.04em;color:var(--secondary);margin-bottom:14px;}
.footer-col ul{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:9px;}
.footer-col a{color:var(--text);font-size:.94rem;}
.footer-col a:hover{color:var(--primary-dark);}
.footer-col address{font-style:normal;font-size:.94rem;color:var(--text);line-height:1.7;}
.footer-topics{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:10px;}
.footer-topics li a{display:flex;align-items:center;gap:9px;}
.footer-topics svg{width:18px;height:18px;color:var(--primary);flex-shrink:0;}
.footer-transparency p{font-size:.9rem;color:var(--muted);line-height:1.6;}
.footer-transparency a{font-weight:600;}
.footer-bottom{border-top:1px solid var(--border);padding:18px 0 26px;font-size:.86rem;color:var(--muted);}
.footer-bottom__row{display:flex;flex-wrap:wrap;gap:8px 6px;justify-content:space-between;}
.footer-betreiber{max-width:900px;}
.back-to-top{position:fixed;right:20px;bottom:20px;width:44px;height:44px;border-radius:50%;background:var(--secondary);color:#ffffff;border:none;display:none;align-items:center;justify-content:center;cursor:pointer;box-shadow:var(--shadow-m);z-index:150;}
.back-to-top.is-visible{display:flex;}
.back-to-top svg{width:18px;height:18px;}

/* ==========================================================================
   9. 404
   ========================================================================== */
.notfound{max-width:640px;margin:0 auto;padding:80px 24px;text-align:center;}
.notfound h1{font-size:5rem;color:var(--primary);margin-bottom:0;}

/* ==========================================================================
   10. Disclaimer-Anpassung (Domain hat aktuell keinen Disclaimer, Regel bleibt erhalten)
   ========================================================================== */
.ps-disclaimer{font-family:var(--font);}
.ps-disclaimer__inner{max-width:var(--maxw);}

/* ==========================================================================
   11. Responsive
   ========================================================================== */
@media (max-width:1080px){
  .kachel-grid{grid-template-columns:repeat(2,1fr);}
  .footer-grid{grid-template-columns:1fr 1fr;}
  .vorstellung{grid-template-columns:1fr;}
}

@media (max-width:860px){
  .primary-nav{display:none;position:fixed;inset:0;top:0;background:#ffffff;padding:70px 24px 24px;flex-direction:column;overflow-y:auto;z-index:300;gap:0;}
  .primary-nav.is-open{display:flex;}
  .primary-nav__item{width:100%;border-bottom:1px solid var(--border);}
  .primary-nav__btn{width:100%;justify-content:space-between;padding:16px 4px;}
  .mega{position:static;width:100%;border:none;box-shadow:none;padding:0 4px 18px;grid-template-columns:1fr;display:none;}
  .primary-nav__item.is-open .mega{display:grid;}
  .header-audience{margin-left:auto;}
  .audience-switch{display:none;}
  .audience-switch-mobile{display:inline-flex;}
  .burger{display:flex;order:5;}
  .brand__name{font-size:1.1rem;}
  .header-main{flex-wrap:wrap;padding:12px 16px;gap:10px;}
  .topbar__inner{padding:6px 16px;}
  .hero-slide{min-height:auto;}
  .hero-slide__content{padding:38px 16px 34px;}
  .hero-dots{right:16px;bottom:14px;}
  .hero-arrows{display:none;}
}

@media (max-width:640px){
  .container{padding:0 16px;}
  body{font-size:16px;}
  .kachel-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;padding:38px 0 20px;gap:26px;}
  .info-cards{grid-template-columns:1fr;}
  .contact-strip .container{flex-direction:column;align-items:flex-start;}
  .section{padding:40px 0;}
  .article-head,.entry-content{padding-left:0;padding-right:0;}
  .page-content{padding:32px 16px;}
  .related{padding:8px 16px 0;}
  .footer-bottom__row{flex-direction:column;align-items:flex-start;}
}