/* =========================================================
   BITS Weserbergland — dunkle Basis + helle Textkästen
   CI Orange/Grau · selbst gehostete Schriften (DSGVO)
   ========================================================= */

@font-face{font-family:"Source Sans 3";font-style:normal;font-weight:400;font-display:swap;
  src:url("../fonts/source-sans-3-latin-400-normal.woff2") format("woff2");}
@font-face{font-family:"Source Sans 3";font-style:normal;font-weight:600;font-display:swap;
  src:url("../fonts/source-sans-3-latin-600-normal.woff2") format("woff2");}
@font-face{font-family:"Source Sans 3";font-style:normal;font-weight:700;font-display:swap;
  src:url("../fonts/source-sans-3-latin-700-normal.woff2") format("woff2");}
@font-face{font-family:"Source Sans 3";font-style:normal;font-weight:900;font-display:swap;
  src:url("../fonts/source-sans-3-latin-900-normal.woff2") format("woff2");}

:root{
  --orange:#E97A12; --orange-hell:#F39A3E; --orange-dunkel:#C4630A;
  /* Warme dunkle Basis */
  --bg:#17130F; --band:#211A14; --dark-line:#3A2E22;
  --on-dark:#F3F1EC; --on-dark-soft:#C7BEB2;
  /* Etwas hellere, graue Textkästen (dunkel, helle Schrift) */
  --card:#36383A; --card-2:#3D3F42; --ink:#F4F4F3; --soft:#C3C6CA; --line:#484B4E;
  /* WhatsApp */
  --wa:#25D366; --wa-dark:#1eb457;
  --weiss:#fff;

  --font-body:"Source Sans 3","Segoe UI",system-ui,sans-serif;
  --font-head:"Source Sans 3","Segoe UI",system-ui,sans-serif;
  --wrap:1120px; --radius:16px; --radius-sm:10px;
  --shadow:0 2px 6px rgba(0,0,0,.35),0 16px 40px rgba(0,0,0,.28);
}

*{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:84px;}
body{margin:0;font-family:var(--font-body);font-size:19px;line-height:1.65;
  color:var(--on-dark);background:var(--bg);-webkit-font-smoothing:antialiased;}
.wrap{width:100%;max-width:var(--wrap);margin:0 auto;padding:0 24px;}
img{max-width:100%;display:block;}
a{color:var(--orange-hell);}
h1,h2,h3{font-family:var(--font-head);line-height:1.14;color:var(--on-dark);margin-top:0;}
h1{font-weight:900;letter-spacing:-.01em;} h2,h3{font-weight:700;}
.eyebrow{display:none;}

/* Skip-Link */
.skip{position:absolute;left:-9999px;top:0;background:var(--orange);color:#fff;padding:12px 18px;font-weight:700;border-radius:0 0 8px 0;z-index:100;}
.skip:focus{left:0;}

/* ---------- Header (dunkel) ---------- */
.site-header{position:sticky;top:0;z-index:50;background:rgba(26,21,16,.94);
  backdrop-filter:saturate(1.3) blur(8px);border-bottom:2px solid var(--orange);}
.header-inner{display:flex;align-items:center;gap:14px;padding-top:10px;padding-bottom:10px;flex-wrap:nowrap;position:relative;}
.nav-toggle{position:absolute;left:-9999px;opacity:0;}
.nav-burger{display:none;align-items:center;justify-content:center;width:48px;height:48px;border-radius:12px;background:var(--band);color:var(--on-dark);cursor:pointer;flex:0 0 auto;}
.nav-burger:hover{color:var(--orange-hell);}
.nav-burger svg{width:26px;height:26px;}
.brand{display:inline-flex;align-items:center;text-decoration:none;flex:0 0 auto;}
.brand-logo{height:54px;width:auto;}
.site-nav{display:flex;align-items:center;gap:2px;margin-left:auto;flex-wrap:nowrap;}
.site-nav a{text-decoration:none;color:var(--on-dark);font-weight:600;font-size:15.5px;white-space:nowrap;
  padding:9px 11px;border-radius:8px;min-height:44px;display:inline-flex;align-items:center;}
.site-nav a:hover,.site-nav a.active{color:#fff;background:var(--band);}
.header-social{display:inline-flex;align-items:center;justify-content:center;width:42px;height:42px;
  border-radius:8px;color:var(--on-dark);}
.header-social:hover{background:var(--band);color:var(--orange-hell);}
.header-social svg{width:22px;height:22px;fill:currentColor;}
.header-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto;margin-left:8px;}
.header-cta{display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:48px;padding:0 18px;border-radius:12px;text-decoration:none;color:#fff;
  font-weight:800;font-size:15px;white-space:nowrap;flex:0 0 auto;}
.header-cta svg{width:19px;height:19px;fill:#fff;flex:0 0 auto;}
.header-wa{background:var(--wa);}
.header-wa:hover{background:var(--wa-dark);}
.header-tel{background:var(--orange);}
.header-tel:hover{background:var(--orange-dunkel);}

/* ---------- Buttons ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;min-height:52px;
  padding:14px 26px;border-radius:12px;font-weight:800;font-size:18px;text-decoration:none;
  border:2px solid transparent;cursor:pointer;transition:transform .12s,background .15s;}
.btn:active{transform:translateY(1px);}
.btn:disabled{opacity:.55;cursor:not-allowed;transform:none;}
.btn svg{width:20px;height:20px;fill:currentColor;}
.btn-primary{background:var(--orange);color:#fff;box-shadow:0 10px 26px rgba(233,122,18,.3);}
.btn-primary:hover{background:var(--orange-dunkel);}
.btn-ghost{border-color:rgba(255,255,255,.45);color:#fff;background:transparent;}
.btn-ghost:hover{background:rgba(255,255,255,.1);}
.btn-wa{background:var(--wa);color:#08351b;}
.btn-wa:hover{background:var(--wa-dark);color:#fff;}
.btn-invert{background:#fff;color:var(--orange-dunkel);}
.btn-invert:hover{background:#111;color:#fff;}

/* ---------- Hero (dunkel) ---------- */
.hero{position:relative;overflow:hidden;color:#fff;
  background:radial-gradient(900px 420px at 80% -20%,rgba(233,122,18,.32),transparent 62%),linear-gradient(180deg,var(--band),var(--bg));}
.hero .wrap{position:relative;padding:88px 24px 82px;}
.hero-motto{margin:0 0 14px;font-weight:800;text-transform:uppercase;letter-spacing:.10em;
  font-size:14px;color:var(--orange-hell);}
.hero-title{font-size:clamp(38px,6.2vw,64px);max-width:18ch;margin:0 0 18px;color:#fff;}
.hero-title .hl{color:var(--orange-hell);}
.hero-lead{font-size:clamp(18px,2.2vw,22px);max-width:54ch;color:var(--on-dark-soft);margin:0 0 30px;}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;}
.hero-chips{display:flex;gap:12px;flex-wrap:wrap;margin-top:30px;}
.chip{display:inline-flex;align-items:center;gap:8px;background:rgba(255,255,255,.07);
  border:1px solid rgba(255,255,255,.16);color:#fff;font-weight:600;font-size:15px;padding:9px 16px;border-radius:999px;}
.chip .dot{width:9px;height:9px;border-radius:50%;background:var(--orange-hell);}
.hero-berge{position:absolute;left:0;right:0;bottom:-1px;width:100%;height:64px;display:block;opacity:.5;}

/* ---------- Sektionen ---------- */
section{scroll-margin-top:84px;}
.section{padding:74px 0;}
.section-alt{background:var(--band);}
.section-head{max-width:62ch;margin:0 0 36px;}
.section-title{font-size:clamp(28px,4vw,40px);margin:0 0 12px;color:#fff;}
.section-intro,.section-sub{color:var(--on-dark-soft);font-size:19px;margin:0;}
.mehr-link{display:inline-flex;min-height:44px;align-items:center;margin-top:16px;font-weight:700;color:var(--orange-hell);text-decoration:none;}
.mehr-link:hover{text-decoration:underline;}
.section-cta{margin-top:32px;display:flex;gap:12px;flex-wrap:wrap;}

/* ---------- Karten (hell) ---------- */
.saeulen{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:22px;}
.saeule{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:28px;box-shadow:var(--shadow);}
.saeule .ico{width:52px;height:52px;border-radius:14px;display:grid;place-items:center;background:rgba(233,122,18,.14);border:1px solid rgba(233,122,18,.32);margin-bottom:16px;color:var(--orange-hell);}
.saeule .ico svg{width:26px;height:26px;}
.saeule h3{font-size:22px;margin:0 0 8px;color:var(--ink);}
.saeule p{margin:0;color:var(--soft);font-size:16.5px;}

.leistung-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:20px;}
.leistung-card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:24px;box-shadow:var(--shadow);
  transition:transform .18s,box-shadow .18s;display:flex;gap:16px;align-items:flex-start;}
.leistung-card:hover{transform:translateY(-3px);}
.leistung-card .ico{flex:0 0 auto;width:46px;height:46px;border-radius:12px;display:grid;place-items:center;background:rgba(233,122,18,.14);border:1px solid rgba(233,122,18,.32);color:var(--orange-hell);}
.leistung-card .ico svg{width:23px;height:23px;}
.leistung-card h3{font-size:19px;margin:2px 0 5px;color:var(--ink);}
.leistung-card p{margin:0;color:var(--soft);font-size:16px;line-height:1.5;}

.preis-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:20px;}
.preis-card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:26px;text-align:center;box-shadow:var(--shadow);}
.preis-card h3{font-size:19px;margin:0 0 6px;color:var(--ink);}
.preis-card .preis{font-size:38px;font-weight:900;color:var(--orange-hell);font-family:var(--font-head);line-height:1;margin:6px 0 10px;}
.preis-card p{margin:0;color:var(--soft);font-size:15.5px;}
.preis-note{margin-top:22px;color:var(--on-dark-soft);font-size:16px;}

/* ---------- Über mich / Portrait ---------- */
.intro-grid{display:grid;grid-template-columns:260px 1fr;gap:44px;align-items:center;}
.intro-foto{width:260px;height:300px;border-radius:var(--radius);overflow:hidden;border:1px solid var(--dark-line);box-shadow:var(--shadow);}
.intro-foto img{width:100%;height:100%;object-fit:cover;object-position:center;}
.intro-text .section-title{margin-bottom:12px;}

/* ---------- Vorteile ---------- */
.vorteile{list-style:none;margin:0;padding:0;display:grid;gap:14px;max-width:70ch;}
.vorteile.vorteile-2{grid-template-columns:1fr 1fr;max-width:none;}
.vorteile li{position:relative;padding-left:38px;font-size:18px;color:var(--on-dark);}
.vorteile li::before{content:"✓";position:absolute;left:0;top:0;width:26px;height:26px;background:var(--orange);color:#fff;border-radius:50%;display:grid;place-items:center;font-weight:900;font-size:15px;}
.vorteile strong{color:#fff;}

/* ---------- FAQ (helle Kästen) ---------- */
.faq{max-width:820px;}
.faq details{background:var(--card);border:1px solid var(--line);border-radius:var(--radius-sm);padding:0 22px;margin-bottom:12px;box-shadow:var(--shadow);}
.faq summary{list-style:none;cursor:pointer;font-weight:700;font-size:18px;color:var(--ink);padding:18px 0;display:flex;justify-content:space-between;align-items:center;gap:16px;}
.faq summary::-webkit-details-marker{display:none;}
.faq summary::after{content:"+";color:var(--orange-hell);font-weight:900;font-size:24px;line-height:1;}
.faq details[open] summary::after{content:"–";}
.faq details p{margin:0 0 18px;color:var(--soft);font-size:16.5px;line-height:1.55;}

/* ---------- Blog ---------- */
.blog-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:22px;margin-top:40px;}
.blog-card{display:block;background:var(--card);border:1px solid var(--line);border-radius:var(--radius);text-decoration:none;color:var(--ink);box-shadow:var(--shadow);overflow:hidden;transition:transform .18s;}
.blog-card:hover{transform:translateY(-3px);}
.blog-card-img{width:100%;height:180px;object-fit:cover;display:block;border-bottom:1px solid var(--line);}
.blog-card-body{padding:22px;}
.kat{display:inline-block;background:rgba(233,122,18,.2);color:var(--orange-hell);font-size:13px;font-weight:700;padding:3px 12px;border-radius:999px;}
.blog-card h3{font-size:20px;margin:12px 0 8px;color:var(--ink);}
.blog-card p{margin:0 0 12px;color:var(--soft);font-size:16px;}
.blog-card .datum{color:var(--soft);font-size:14px;}

/* ---------- Kontakt / CTA ---------- */
.kontakt-split{display:grid;grid-template-columns:1fr 1.1fr;gap:40px;align-items:start;}
.kontakt-anruf{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:30px;box-shadow:var(--shadow);}
.kontakt-anruf .k-label{color:var(--soft);font-weight:700;text-transform:uppercase;letter-spacing:.08em;font-size:14px;margin:0 0 8px;}
.kontakt-anruf .k-tel{font-size:clamp(30px,5vw,42px);font-weight:900;font-family:var(--font-head);margin:0 0 8px;}
.kontakt-anruf .k-tel a{color:var(--orange-hell);text-decoration:none;}
.kontakt-anruf .k-mail{color:var(--soft);margin:0 0 18px;word-break:break-word;}
.kontakt-anruf .btn{width:100%;}

.cta-block{background:linear-gradient(135deg,var(--orange-dunkel),var(--orange));color:#fff;}
.cta-block .wrap{display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap;padding:44px 24px;}
.cta-label{margin:0 0 4px;font-weight:800;text-transform:uppercase;letter-spacing:.08em;font-size:14px;opacity:.9;}
.cta-tel{margin:0;font-size:clamp(28px,5vw,40px);font-weight:900;font-family:var(--font-head);line-height:1;}
.cta-tel a{color:#fff;text-decoration:none;}
.cta-kontaktdaten{margin:8px 0 0;font-weight:600;opacity:.9;}

/* ---------- Prose / Unterseiten (helle Karte auf dunkel) ---------- */
.page{padding:56px 0;}
.page .prose{background:var(--card);color:var(--ink);border:1px solid var(--line);border-radius:var(--radius);padding:32px 34px;box-shadow:var(--shadow);max-width:820px;}
.page-title{font-size:clamp(30px,4vw,44px);margin:0 0 24px;color:#fff;}
.prose h2{font-size:26px;margin:32px 0 12px;color:var(--ink);}
.prose h3{font-size:21px;margin:22px 0 8px;color:var(--ink);}
.prose p,.prose ul,.prose ol{margin:0 0 18px;}
.prose ul,.prose ol{padding-left:22px;} .prose li{margin-bottom:8px;}
.prose a{color:var(--orange-hell);text-decoration:underline;text-underline-offset:2px;}
.prose a.btn{color:#fff;text-decoration:none;}

.beitrag{padding:52px 0;}
.beitrag .prose{background:var(--card);color:var(--ink);border:1px solid var(--line);border-radius:var(--radius);padding:32px 34px;box-shadow:var(--shadow);max-width:820px;}
.beitrag-title{font-size:clamp(28px,5vw,40px);margin:10px 0 6px;color:var(--ink);}
.beitrag-meta{color:var(--soft);margin:0;}
.beitrag-cover{width:100%;border-radius:var(--radius);border:1px solid var(--line);margin:8px 0 24px;}
.back-link{display:inline-flex;min-height:44px;align-items:center;text-decoration:none;font-weight:700;color:var(--orange-hell);}

/* ---------- Formular (auf heller Karte) ---------- */
.form-card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:30px;box-shadow:var(--shadow);}
.form-reihe{display:grid;grid-template-columns:1fr 1fr;gap:18px;}
.form-feld{margin-bottom:18px;}
.form-feld label{display:block;margin-bottom:6px;font-weight:700;color:var(--ink);font-size:16px;}
.form-feld input,.form-feld textarea{width:100%;padding:13px 15px;border:1.5px solid var(--line);border-radius:var(--radius-sm);background:#2C2E30;font-family:inherit;font-size:16.5px;color:var(--ink);}
.form-feld input::placeholder,.form-feld textarea::placeholder{color:#8b929a;}
.form-feld input:focus,.form-feld textarea:focus{outline:none;border-color:var(--orange);box-shadow:0 0 0 3px rgba(233,122,18,.2);}
.form-feld textarea{resize:vertical;}
.hp-feld{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden;}
.form-einwilligung{display:flex;align-items:flex-start;gap:10px;margin:8px 0 24px;}
.form-einwilligung input{margin-top:5px;flex-shrink:0;width:20px;height:20px;}
.form-einwilligung label{font-size:15px;color:var(--soft);line-height:1.5;}
.kontakt-form .btn,.anmelde-form .btn{border:none;}
.form-status{margin:0;font-weight:700;}
.form-status.status-error{color:#e8735f;}

/* ---------- KMU-Produktblock ---------- */
.produkt-grid{display:grid;grid-template-columns:1.3fr .9fr;gap:44px;align-items:start;}
.produkt-karte{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:28px;box-shadow:var(--shadow);border-top:3px solid var(--orange);}
.produkt-karte .pk-ico{margin-bottom:10px;color:var(--orange-hell);}
.produkt-karte .pk-ico svg{width:34px;height:34px;}
.produkt-karte h3{font-size:21px;margin:0 0 2px;color:var(--ink);}
.produkt-karte .pk-sub{color:var(--soft);margin:0 0 16px;font-size:13px;text-transform:uppercase;letter-spacing:.06em;}
.pk-liste{list-style:none;margin:0 0 18px;padding:0;}
.pk-liste li{padding-left:24px;position:relative;margin-bottom:9px;color:var(--ink);}
.pk-liste li::before{content:"▸";position:absolute;left:0;color:var(--orange-hell);}
.pk-preis{margin:0;color:var(--orange-hell);font-weight:700;}

/* Fokus */
a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible,summary:focus-visible{outline:3px solid var(--orange);outline-offset:2px;}

/* ---------- Schwebender WhatsApp-Button ---------- */
.wa-float{position:fixed;right:20px;bottom:20px;z-index:60;display:inline-flex;align-items:center;justify-content:center;
  width:60px;height:60px;border-radius:50%;background:var(--wa);color:#fff;box-shadow:0 8px 24px rgba(0,0,0,.35);}
.wa-float:hover{background:var(--wa-dark);}
.wa-float svg{width:32px;height:32px;fill:#fff;}

/* ---------- Footer ---------- */
.site-footer{background:#100D0A;color:#C7BEB2;}
.footer-inner{display:flex;flex-wrap:wrap;gap:24px;justify-content:space-between;padding-top:44px;padding-bottom:26px;}
.footer-brand{display:flex;align-items:flex-start;gap:14px;}
.footer-logo{height:48px;width:auto;flex-shrink:0;}
.footer-region{color:#C9C0B4;margin:0;font-size:15px;}
.footer-motto{color:var(--orange-hell);margin:6px 0 0;font-size:14px;font-style:italic;font-weight:600;}
.footer-social{display:flex;flex-direction:column;gap:10px;justify-content:center;}
.footer-social a{display:inline-flex;align-items:center;justify-content:center;width:40px;height:40px;border-radius:9px;background:#241D17;color:#EDE7DD;}
.footer-social a:hover{color:var(--orange-hell);}
.footer-social svg{width:20px;height:20px;fill:currentColor;}
.footer-contact{display:flex;flex-direction:column;gap:6px;}
.footer-contact a{color:#EDE7DD;text-decoration:none;font-weight:600;min-height:32px;display:inline-flex;align-items:center;}
.footer-contact a:hover{color:var(--orange-hell);}
.footer-nav{display:flex;flex-direction:column;gap:6px;}
.footer-nav a{color:#C9C0B4;text-decoration:none;min-height:32px;display:inline-flex;align-items:center;}
.footer-nav a:hover{color:var(--orange-hell);}
.footer-copy{border-top:1px solid var(--dark-line);color:#9a9188;font-size:14.5px;}
.footer-copy .wrap{padding-top:18px;padding-bottom:24px;}

/* ---------- Responsive ---------- */
@media (max-width:860px){
  .intro-grid{grid-template-columns:1fr;gap:24px;justify-items:start;}
  .kontakt-split{grid-template-columns:1fr;gap:26px;}
  .produkt-grid{grid-template-columns:1fr;gap:26px;}
  .vorteile.vorteile-2{grid-template-columns:1fr;}
  /* Mobiles Menü: Hamburger klappt die Navigation auf */
  .nav-burger{display:inline-flex;}
  .header-actions{margin-left:auto;}
  .header-social{display:none;}
  .site-nav{position:absolute;top:100%;left:0;right:0;margin-left:0;display:none;
    flex-direction:column;align-items:stretch;gap:2px;background:var(--band);
    border-bottom:2px solid var(--orange);padding:10px 14px 16px;box-shadow:0 24px 40px rgba(0,0,0,.45);}
  .nav-toggle:checked ~ .site-nav{display:flex;}
  .site-nav a{font-size:17px;padding:14px 12px;border-radius:8px;min-height:48px;}
}
@media (max-width:560px){
  body{font-size:18px;}
  .hero .wrap{padding:58px 20px 60px;}
  .section{padding:52px 0;}
  .brand-logo{height:44px;}
  .footer-logo{height:40px;}
  .footer-social{flex-direction:row;}
  /* Auf sehr schmalen Displays wird aus Platzgründen nur noch das Icon gezeigt,
     dafür bleiben WhatsApp- und Anruf-Button exakt gleich groß (48x48). */
  .header-cta{width:44px;height:44px;padding:0;}
  .header-cta-label{position:absolute;left:-9999px;}
  .form-reihe{grid-template-columns:1fr;gap:0;}
  .cta-block .wrap{flex-direction:column;align-items:flex-start;}
  .wa-float{width:54px;height:54px;}
}