/* ===========================================================================
   Giesen Kanaltechnik — Stylesheet
   CI: weißer Hintergrund, royalblaue Schrift
   ========================================================================= */

:root{
  --brand:#2e3092;          /* Markenblau (aus Logo)            */
  --brand-dark:#21235f;     /* dunkles Blau für Footer/Bänder   */
  --brand-700:#272a7d;
  --accent:#1f6fe5;         /* helles Azur für Links/CTAs       */
  --accent-soft:#eaf1fd;    /* zarte blaue Fläche               */
  --ink:#15182b;            /* Fließtext (fast schwarz/navy)    */
  --muted:#5b6178;          /* gedämpfter Text                  */
  --line:#e4e8f3;           /* Trennlinien                      */
  --surface:#f5f7fc;        /* helle Sektionsfläche             */
  --bg:#ffffff;             /* Seitenhintergrund                */
  --card:#ffffff;           /* Karten / Flächen                 */
  --header-bg:rgba(255,255,255,.92);
  --white:#ffffff;          /* echtes Weiß (Logos etc.)         */
  --signal:#e23b2e;         /* Notruf-Akzent                    */
  --radius:18px;
  --radius-sm:12px;
  --shadow:0 18px 50px -22px rgba(28,33,84,.30);
  --shadow-sm:0 8px 24px -14px rgba(28,33,84,.32);
  --maxw:1180px;
  --font-head:"Archivo","Segoe UI",sans-serif;
  --font-body:"Source Sans 3","Segoe UI",sans-serif;
  color-scheme:light;
}

/* ---------- Dark Mode ---------- */
html[data-theme="dark"]{
  --brand:#9aa0ff;          /* helles Markenblau für Überschriften */
  --brand-dark:#15172e;
  --brand-700:#3a3e9e;
  --accent:#6ea2ff;
  --accent-soft:rgba(110,162,255,.14);
  --ink:#e9ebf7;
  --muted:#9aa0bd;
  --line:#2b2f44;
  --surface:#13151f;
  --bg:#0d0f17;
  --card:#181b27;
  --header-bg:rgba(15,17,30,.86);
  --shadow:0 18px 50px -22px rgba(0,0,0,.65);
  --shadow-sm:0 8px 24px -14px rgba(0,0,0,.6);
  color-scheme:dark;
}
/* Standard = heller Modus. Dunkelmodus nur per Umschalter (data-theme="dark"). */
html{transition:background-color .3s ease}
body,.site-header,.card,.service,.stat,.info-card,.form,.faq details,.submenu,.chip,
.field input,.field textarea,.places span{transition:background-color .3s ease,border-color .3s ease,color .3s ease}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;overflow-x:clip}
body{
  font-family:var(--font-body);
  color:var(--ink);
  background:var(--bg);
  line-height:1.65;
  font-size:1.05rem;
  overflow-x:clip;
}
img{max-width:100%;display:block}
a{color:var(--accent);text-decoration:none}
a:hover{text-decoration:underline}

h1,h2,h3,h4{font-family:var(--font-head);color:var(--brand);line-height:1.1;font-weight:800;letter-spacing:-.01em}
h1{font-size:clamp(2.1rem,5vw,3.5rem)}
h2{font-size:clamp(1.7rem,3.6vw,2.5rem)}
h3{font-size:1.35rem}
p{margin:0 0 1rem}
.lead{font-size:1.2rem;color:var(--muted)}

.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 clamp(1rem,4vw,2rem)}
.section{padding:clamp(3.5rem,7vw,6rem) 0}
.section--tint{background:var(--surface)}
.eyebrow{font-family:var(--font-head);text-transform:uppercase;letter-spacing:.18em;
  font-size:.78rem;font-weight:700;color:var(--accent);margin-bottom:.6rem;display:block}
.section-head{max-width:760px;margin:0 auto 3rem;text-align:center}
.section-head p{color:var(--muted);font-size:1.12rem;margin:0}

/* ---------- Buttons ---------- */
.btn{display:inline-flex;align-items:center;gap:.55rem;font-family:var(--font-head);
  font-weight:700;font-size:1rem;padding:.85rem 1.6rem;border-radius:999px;
  border:2px solid transparent;cursor:pointer;transition:.2s ease;text-decoration:none;line-height:1}
.btn:hover{text-decoration:none;transform:translateY(-2px)}
.btn-primary{background:var(--brand);color:#fff}
.btn-primary:hover{background:var(--brand-700)}
.btn-accent{background:var(--accent);color:#fff}
.btn-accent:hover{background:#1559c4}
.btn-ghost{background:transparent;color:var(--brand);border-color:var(--brand)}
.btn-ghost:hover{background:var(--brand);color:#fff}
.btn-signal{background:var(--signal);color:#fff}
.btn-signal:hover{background:#c22d22}
.btn svg{width:18px;height:18px;flex:none}

/* ---------- Top utility bar ---------- */
.topbar{background:var(--brand-dark);color:#dfe3ff;font-size:.92rem}
.topbar .container{display:flex;justify-content:space-between;align-items:center;
  gap:1rem;min-height:42px;flex-wrap:wrap}
.topbar .tag{display:flex;align-items:center;gap:.5rem;font-weight:600}
.topbar .tag svg{width:16px;height:16px;color:#9fb4ff}
.topbar a{color:#fff;font-weight:700}
.topbar .emergency{display:inline-flex;align-items:center;gap:.45rem}
.topbar .emergency svg{width:15px;height:15px}

/* ---------- Header / Nav ---------- */
.site-header{position:sticky;top:0;z-index:60;background:var(--header-bg);
  backdrop-filter:saturate(160%) blur(12px);border-bottom:1px solid var(--line);transition:.25s}
.site-header.scrolled{box-shadow:0 10px 30px -20px rgba(28,33,84,.5)}
.nav{display:flex;align-items:center;justify-content:space-between;gap:1.5rem;min-height:76px}
.brand img{height:46px;width:auto}
.nav-links{display:flex;align-items:center;gap:.3rem;list-style:none}
.nav-links a{font-family:var(--font-head);font-weight:600;color:var(--ink);
  font-size:.97rem;padding:.55rem .8rem;border-radius:10px;transition:.18s}
.nav-links a:hover,.nav-links a.active{color:var(--brand);background:var(--accent-soft);text-decoration:none}
.nav-cta{display:flex;align-items:center;gap:.7rem}
.has-sub{position:relative}
.submenu{position:absolute;top:calc(100% + 8px);left:0;min-width:288px;background:var(--card);
  border:1px solid var(--line);border-radius:14px;box-shadow:var(--shadow);
  padding:.45rem;opacity:0;visibility:hidden;transform:translateY(8px);transition:.18s}
.has-sub:hover .submenu,.has-sub:focus-within .submenu{opacity:1;visibility:visible;transform:translateY(0)}
.submenu a{display:flex;align-items:center;gap:.75rem;padding:.5rem .6rem;border-radius:10px;
  color:var(--ink);font-weight:600;font-size:.95rem}
.submenu a .mi{width:36px;height:36px;flex:none;border-radius:9px;background:var(--accent-soft);
  display:grid;place-items:center;transition:.18s}
.submenu a .mi svg{width:19px;height:19px;color:var(--accent)}
.submenu a:hover{background:var(--accent-soft);color:var(--brand);text-decoration:none}
.submenu a:hover .mi{background:var(--brand);}
.submenu a:hover .mi svg{color:#fff}
.burger{display:none;background:none;border:0;cursor:pointer;padding:.4rem}
.burger span{display:block;width:26px;height:2.5px;background:var(--brand);margin:5px 0;border-radius:2px;transition:.25s}
.burger.open span:nth-child(1){transform:translateY(7.5px) rotate(45deg)}
.burger.open span:nth-child(2){opacity:0}
.burger.open span:nth-child(3){transform:translateY(-7.5px) rotate(-45deg)}

/* ---------- Hero (Vollbild-Hintergrundvideo) ---------- */
.hero{position:relative;display:flex;align-items:center;overflow:hidden;
  min-height:min(86vh,720px);padding:clamp(4rem,9vw,6.5rem) 0 clamp(7rem,13vw,10rem);background:#11132a;isolation:isolate}
.hero-bg{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:0}
.hero-overlay{position:absolute;inset:0;z-index:1;pointer-events:none;
  background:
    linear-gradient(95deg,rgba(13,15,32,.94) 0%,rgba(28,33,84,.82) 38%,rgba(28,33,84,.34) 72%,rgba(28,33,84,.18) 100%),
    radial-gradient(120% 90% at 100% 0%,rgba(31,111,229,.30),transparent 55%)}
.hero-inner{position:relative;z-index:2;max-width:780px}
.hero-badges{display:flex;flex-wrap:wrap;gap:.5rem;margin-bottom:1.5rem}
.chip{display:inline-flex;align-items:center;gap:.45rem;background:var(--card);border:1px solid var(--line);
  color:var(--brand);font-family:var(--font-head);font-weight:700;font-size:.82rem;
  padding:.42rem .8rem;border-radius:999px;box-shadow:var(--shadow-sm)}
.chip svg{width:15px;height:15px;color:var(--accent)}
.hero .chip{background:rgba(255,255,255,.10);border-color:rgba(255,255,255,.24);color:#fff;
  backdrop-filter:blur(4px);box-shadow:none}
.hero .chip svg{color:#9fc4ff}
.hero .chip-kessel{background:#fff;border-color:#fff;color:var(--brand-dark);font-weight:800}
.hero .chip-kessel b{color:#0072bc;letter-spacing:.02em}
.hero h1{color:#fff;margin-bottom:1rem;text-shadow:0 2px 30px rgba(0,0,0,.35)}
.hero h1 .hl{color:#a9c6ff}
.hero p.lead{color:#e2e7ff;margin-bottom:1.9rem;max-width:48ch}
.hero-actions{display:flex;flex-wrap:wrap;gap:.8rem;margin-bottom:1.7rem}
.hero-meta{display:flex;flex-wrap:wrap;gap:1.4rem;color:#c7cdf2;font-size:.95rem}
.hero-meta span{display:inline-flex;align-items:center;gap:.45rem}
.hero-meta svg{width:17px;height:17px;color:#9fc4ff;flex:none}
.hero-meta b{color:#fff}
.hero .glass{position:absolute;right:clamp(1rem,4vw,2.4rem);bottom:clamp(1rem,4vw,2.4rem);z-index:2;
  background:rgba(255,255,255,.94);backdrop-filter:blur(8px);border-radius:16px;padding:1rem 1.3rem;
  display:flex;align-items:center;gap:.9rem;box-shadow:var(--shadow)}
.hero .glass .num{font-family:var(--font-head);font-weight:800;font-size:1.9rem;color:var(--brand-dark);line-height:1}
.hero .glass small{display:block;color:#5b6178;font-size:.82rem;line-height:1.25}
@media(max-width:760px){.hero .glass{display:none}}

/* ---------- Stat strip ---------- */
.stats-section{position:relative;z-index:6;margin-top:clamp(-7rem,-10vw,-4.5rem);padding-top:0}
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:1.2rem}
.stat{text-align:center;padding:1.4rem 1rem;background:var(--card);border:1px solid var(--line);
  border-radius:var(--radius);box-shadow:var(--shadow-sm)}
.stat .n{font-family:var(--font-head);font-weight:800;font-size:clamp(1.9rem,4vw,2.6rem);
  color:var(--brand);line-height:1}
.stat .l{color:var(--muted);font-size:.95rem;margin-top:.35rem}

/* ---------- Cards (Vorteile) ---------- */
.cards{display:grid;grid-template-columns:repeat(4,1fr);gap:1.4rem}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:1.8rem 1.5rem;
  box-shadow:var(--shadow-sm);transition:.25s}
.card:hover{transform:translateY(-5px);box-shadow:var(--shadow);border-color:#cfd8f2}
.card .ico{width:54px;height:54px;border-radius:14px;display:grid;place-items:center;
  background:var(--accent-soft);color:var(--brand);margin-bottom:1.1rem}
.card .ico svg{width:28px;height:28px}
.card h3{font-size:1.15rem;margin-bottom:.5rem}
.card p{color:var(--muted);font-size:.97rem;margin:0}

/* ---------- Service tiles ---------- */
.services{display:grid;grid-template-columns:repeat(3,1fr);gap:1.5rem}
.service{position:relative;display:flex;flex-direction:column;background:var(--card);border:1px solid var(--line);
  border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow-sm);transition:.25s}
.service:hover{transform:translateY(-5px);box-shadow:var(--shadow);text-decoration:none}
.service .top{padding:1.7rem 1.6rem 1.2rem;background:linear-gradient(135deg,var(--brand),var(--brand-700));color:#fff}
.service .top .ico{width:46px;height:46px;border-radius:12px;background:rgba(255,255,255,.16);
  display:grid;place-items:center;margin-bottom:.9rem}
.service .top .ico svg{width:26px;height:26px;color:#fff}
.service .top h3{color:#fff;font-size:1.25rem}
.service .body{padding:1.4rem 1.6rem 1.7rem;flex:1;display:flex;flex-direction:column}
.service .body p{color:var(--muted);font-size:.97rem;flex:1}
.service .more{font-family:var(--font-head);font-weight:700;color:var(--accent);
  display:inline-flex;align-items:center;gap:.4rem;margin-top:.6rem}
.service:hover .more{gap:.7rem}
.service .more svg{width:16px;height:16px}

/* ---------- Feature list (Alles aus einer Hand) ---------- */
.split{display:grid;grid-template-columns:.9fr 1.1fr;gap:clamp(2rem,5vw,4rem);align-items:center}
.checklist{list-style:none;display:grid;grid-template-columns:1fr 1fr;gap:.75rem 1.5rem}
.checklist li{position:relative;padding-left:2rem;color:var(--ink);font-size:1rem;line-height:1.4}
.checklist li::before{content:"";position:absolute;left:0;top:2px;width:20px;height:20px;border-radius:50%;
  background:var(--accent-soft);
  -webkit-mask:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M20 6 9 17l-5-5'/%3E%3C/svg%3E") center/13px no-repeat;mask:none}
.checklist li::after{content:"";position:absolute;left:4px;top:6px;width:12px;height:12px;
  background:no-repeat center/contain;
  -webkit-mask:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' stroke='%23000' stroke-width='3' fill='none' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M20 6 9 17l-5-5'/%3E%3C/svg%3E") center/12px no-repeat;
  mask:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' stroke='%23000' stroke-width='3' fill='none' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M20 6 9 17l-5-5'/%3E%3C/svg%3E") center/12px no-repeat;
  background-color:var(--accent)}
.panel{background:linear-gradient(150deg,var(--brand) 0%,var(--brand-dark) 100%);color:#fff;
  border-radius:var(--radius);padding:clamp(1.8rem,4vw,2.6rem);box-shadow:var(--shadow)}
.panel h3{color:#fff}
.panel .checklist li{color:#eef1ff}

/* ---------- Region band ---------- */
.region{display:grid;grid-template-columns:1fr 1fr;gap:clamp(2rem,5vw,3.5rem);align-items:center}
.region .map{border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);border:1px solid var(--line)}
.places{display:flex;flex-wrap:wrap;gap:.5rem;margin:1.2rem 0 1.6rem}
.places span{background:var(--card);border:1px solid var(--line);border-radius:999px;padding:.4rem .9rem;
  font-family:var(--font-head);font-weight:600;font-size:.9rem;color:var(--brand)}

/* ---------- Notdienst CTA ---------- */
.notdienst{background:linear-gradient(135deg,var(--brand-dark),var(--brand));color:#fff;
  border-radius:24px;padding:clamp(2rem,5vw,3.2rem);display:grid;
  grid-template-columns:1fr auto;gap:2rem;align-items:center;box-shadow:var(--shadow)}
.notdienst h2{color:#fff}
.notdienst p{color:#d7dcff;margin:0;max-width:48ch}
.notdienst .phone{font-family:var(--font-head);font-weight:800;font-size:clamp(1.6rem,4vw,2.3rem);
  color:#fff;white-space:nowrap;display:inline-flex;align-items:center;gap:.6rem}
.notdienst .phone svg{width:30px;height:30px}

/* ---------- Contact ---------- */
.contact-grid{display:grid;grid-template-columns:1fr 1.1fr;gap:clamp(2rem,5vw,3.5rem)}
.info-card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  padding:1.8rem;box-shadow:var(--shadow-sm)}
.info-row{display:flex;gap:.9rem;align-items:flex-start;padding:.85rem 0;border-bottom:1px solid var(--line)}
.info-row:last-child{border-bottom:0}
.info-row .ico{width:42px;height:42px;border-radius:11px;background:var(--accent-soft);color:var(--brand);
  display:grid;place-items:center;flex:none}
.info-row .ico svg{width:20px;height:20px}
.info-row b{display:block;font-family:var(--font-head);color:var(--ink);font-size:1rem}
.info-row span,.info-row a{color:var(--muted);font-size:.97rem}
.form{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  padding:clamp(1.6rem,4vw,2.2rem);box-shadow:var(--shadow-sm)}
.field{margin-bottom:1.1rem}
.field label{display:block;font-family:var(--font-head);font-weight:600;font-size:.92rem;margin-bottom:.4rem;color:var(--ink)}
.field input,.field textarea{width:100%;padding:.8rem 1rem;border:1.5px solid var(--line);border-radius:11px;
  font:inherit;color:var(--ink);background:var(--card);transition:.18s}
.field input:focus,.field textarea:focus{outline:0;border-color:var(--accent);box-shadow:0 0 0 4px var(--accent-soft)}
.field textarea{resize:vertical;min-height:130px}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:1rem}
.consent{font-size:.85rem;color:var(--muted);display:flex;gap:.6rem;align-items:flex-start;margin-bottom:1.1rem}
.consent input{margin-top:.25rem}
.form-note{font-size:.85rem;color:var(--muted);margin-top:.8rem}

/* ---------- Page hero (Unterseiten) ---------- */
.page-hero{background:linear-gradient(135deg,var(--brand) 0%,var(--brand-dark) 100%);color:#fff;
  padding:clamp(2.6rem,6vw,4.5rem) 0;position:relative;overflow:hidden}
.page-hero::after{content:"";position:absolute;right:-80px;top:-80px;width:340px;height:340px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,255,255,.12),transparent 70%)}
.page-hero h1{color:#fff;max-width:18ch}
.page-hero p{color:#d7dcff;max-width:60ch;font-size:1.15rem;margin:0}
.breadcrumb{font-size:.88rem;color:#aeb6ee;margin-bottom:1rem}
.breadcrumb a{color:#cdd4ff}
.breadcrumb span{opacity:.6;margin:0 .4rem}

/* ---------- Prose / article ---------- */
.prose{max-width:760px}
.prose h2{margin:2rem 0 .8rem}
.prose h3{margin:1.6rem 0 .6rem}
.prose ul{margin:0 0 1.2rem 1.2rem}
.prose li{margin-bottom:.4rem}
.proselist{list-style:none;margin:0 0 1.4rem}
.proselist li{position:relative;padding-left:2rem;margin-bottom:.6rem}
.proselist li::before{content:"";position:absolute;left:0;top:3px;width:18px;height:18px;
  background-color:var(--accent);
  -webkit-mask:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' stroke='%23000' stroke-width='3' fill='none' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M20 6 9 17l-5-5'/%3E%3C/svg%3E") center/contain no-repeat;
  mask:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' stroke='%23000' stroke-width='3' fill='none' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M20 6 9 17l-5-5'/%3E%3C/svg%3E") center/contain no-repeat}

.callout{background:var(--accent-soft);border-left:4px solid var(--accent);border-radius:0 12px 12px 0;
  padding:1.2rem 1.4rem;margin:1.6rem 0}
.callout strong{color:var(--brand)}

/* FAQ */
.faq details{background:var(--card);border:1px solid var(--line);border-radius:12px;margin-bottom:.8rem;padding:0 1.3rem;box-shadow:var(--shadow-sm)}
.faq summary{cursor:pointer;font-family:var(--font-head);font-weight:700;color:var(--brand);
  padding:1.1rem 0;list-style:none;display:flex;justify-content:space-between;align-items:center;gap:1rem}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";font-size:1.5rem;color:var(--accent);transition:.2s}
.faq details[open] summary::after{transform:rotate(45deg)}
.faq details p{color:var(--muted);padding-bottom:1.1rem;margin:0}

/* ---------- Footer ---------- */
.site-footer{background:var(--brand-dark);color:#c5cbf2;padding:clamp(3rem,6vw,4rem) 0 1.5rem;font-size:.96rem}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:2rem}
.site-footer h4{color:#fff;font-size:1.05rem;margin-bottom:1rem}
.site-footer a{color:#c5cbf2}
.site-footer a:hover{color:#fff}
.footer-logo{background:#fff;border-radius:12px;padding:.7rem .9rem;display:inline-block;margin-bottom:1rem}
.footer-logo img{height:38px}
.footer-list{list-style:none;display:flex;flex-direction:column;gap:.55rem}
.footer-partners{margin-top:1.2rem}
.footer-partners .partner-label{display:block;font-family:var(--font-head);font-weight:700;
  font-size:.72rem;letter-spacing:.12em;text-transform:uppercase;color:#9fb4ff;margin-bottom:.6rem}
.footer-partners .partner-logos{display:flex;align-items:center;gap:1.2rem;flex-wrap:wrap}
.footer-partners img{height:34px;opacity:.95}
.footer-partners img.p-kessel{height:30px}
.footer-partners img.p-dwa{height:46px;background:#fff;border-radius:8px;padding:5px 9px}
.footer-bottom{border-top:1px solid rgba(255,255,255,.12);margin-top:2.4rem;padding-top:1.4rem;
  display:flex;justify-content:space-between;flex-wrap:wrap;gap:.8rem;font-size:.86rem;color:#9aa1d6}
.footer-credit{flex-basis:100%;order:3;text-align:center;margin-top:.7rem;
  padding-top:.9rem;border-top:1px solid rgba(255,255,255,.08)}
.footer-credit a{color:#cdd4ff;font-weight:600}
.footer-credit a:hover{color:#fff}
.footer-credit .heart{color:#ff5b6e}

/* ---------- Icon-Größen global begrenzen ---------- */
.ico{flex:none}
.ico svg,.panel .ico svg{width:26px;height:26px}
.card .ico svg{width:28px;height:28px}
.info-row .ico svg{width:20px;height:20px}

/* ---------- Theme-Umschalter ---------- */
.theme-toggle{display:inline-flex;align-items:center;justify-content:center;width:42px;height:42px;
  border-radius:999px;border:1px solid var(--line);background:var(--card);color:var(--brand);
  cursor:pointer;transition:.2s;flex:none}
.theme-toggle:hover{background:var(--accent-soft);transform:translateY(-2px)}
.theme-toggle svg{width:20px;height:20px}
.theme-toggle .ico-sun{display:none}
.theme-toggle .ico-moon{display:block}
html[data-theme="dark"] .theme-toggle .ico-sun{display:block}
html[data-theme="dark"] .theme-toggle .ico-moon{display:none}

/* ---------- KESSEL Partner-Band ---------- */
.kessel-band{position:relative;overflow:hidden;border-radius:24px;box-shadow:var(--shadow);
  background:linear-gradient(125deg,#0a3f6e 0%,#0072bc 55%,#1b8fd6 100%);color:#fff;
  display:grid;grid-template-columns:auto 1fr;gap:clamp(1.5rem,4vw,3rem);align-items:center;
  padding:clamp(1.8rem,4vw,2.8rem) clamp(1.8rem,4vw,3rem)}
.kessel-band::after{content:"";position:absolute;right:-60px;top:-60px;width:300px;height:300px;
  border-radius:50%;background:radial-gradient(circle,rgba(255,255,255,.16),transparent 70%);pointer-events:none}
.kessel-band .k-logo{background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.28);
  border-radius:16px;padding:1.3rem 1.6rem;display:grid;place-items:center;backdrop-filter:blur(4px)}
.kessel-band .k-logo img{height:48px;width:auto}
.kessel-band .eyebrow{color:#bfe3ff}
.kessel-band h2{color:#fff;margin-bottom:.6rem}
.kessel-band p{color:#e3f1fb;margin:0 0 1.2rem;max-width:60ch}
.kessel-band .btn-white{background:#fff;color:#0072bc}
.kessel-band .btn-white:hover{background:#eaf6ff}
@media(max-width:760px){.kessel-band{grid-template-columns:1fr;text-align:left}}

/* ---------- Galerie ---------- */
.gallery{display:grid;grid-template-columns:repeat(3,1fr);gap:1.1rem}
.gallery figure{position:relative;margin:0;border-radius:var(--radius);overflow:hidden;
  box-shadow:var(--shadow-sm);border:1px solid var(--line);aspect-ratio:4/3;background:var(--surface)}
.gallery img{width:100%;height:100%;object-fit:cover;transition:transform .5s cubic-bezier(.2,.7,.2,1)}
.gallery figure:hover img{transform:scale(1.06)}
.gallery figcaption{position:absolute;left:0;right:0;bottom:0;padding:1.4rem .9rem .7rem;
  font-family:var(--font-head);font-weight:600;font-size:.86rem;color:#fff;
  background:linear-gradient(transparent,rgba(10,12,28,.78))}

/* ---------- Rückstauschutz-Animation (SVG-Skizze) ---------- */
.rs-demo{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  box-shadow:var(--shadow);padding:clamp(1.4rem,3vw,2rem);margin:1.8rem 0}
.rs-controls{display:inline-flex;background:var(--surface);border:1px solid var(--line);
  border-radius:999px;padding:.3rem;gap:.3rem;margin-bottom:1.3rem}
.rs-controls button{font-family:var(--font-head);font-weight:700;font-size:.92rem;border:0;cursor:pointer;
  padding:.55rem 1.1rem;border-radius:999px;background:transparent;color:var(--muted);transition:.2s}
.rs-controls button.active{background:var(--brand);color:#fff;box-shadow:var(--shadow-sm)}
html[data-theme="dark"] .rs-controls button.active{color:#0d0f17}
.rs-scene{position:relative;width:100%;border-radius:14px;overflow:hidden;border:1px solid var(--line);
  background:#f3efe6}
.rs-svg{display:block;width:100%;height:auto;font-family:var(--font-head)}
.rs-svg text{font-family:var(--font-head)}
/* Regen */
.rs-svg .rain line{stroke:#5b8fc9;stroke-width:2.4;stroke-linecap:round;opacity:.7;
  animation:rs-rain 1s linear infinite}
@keyframes rs-rain{0%{transform:translateY(-26px);opacity:0}
  15%{opacity:.7}85%{opacity:.7}100%{transform:translateY(150px);opacity:0}}
/* Fließendes Wasser im Kanal */
.rs-svg .sewer-flow{animation:rs-flow 1.4s linear infinite}
@keyframes rs-flow{to{transform:translateX(-46px)}}
/* Wasserstände (Steigleitung + Keller) – Standard = Überflutung */
.rs-svg .w-lateral{transform-box:fill-box;transform-origin:center bottom;transform:scaleY(1);
  transition:transform 1.3s cubic-bezier(.4,0,.2,1)}
.rs-svg .w-basement{transform-box:fill-box;transform-origin:center bottom;transform:scaleY(1);
  transition:transform 1.4s cubic-bezier(.4,0,.2,1) .25s}
.rs-scene.protected .rs-svg .w-lateral{transform:scaleY(.42)}
.rs-scene.protected .rs-svg .w-basement{transform:scaleY(0)}
/* Pfeile / Hinweise je Zustand */
.rs-svg .flood-arrows{opacity:1;transition:opacity .4s}
.rs-svg .valve-group{opacity:0;transition:opacity .45s .2s}
.rs-scene.protected .rs-svg .flood-arrows{opacity:0}
.rs-scene.protected .rs-svg .valve-group{opacity:1}
.rs-svg .flood-arrows .arr{animation:rs-up 1.2s ease-in-out infinite}
@keyframes rs-up{0%,100%{transform:translateY(3px);opacity:.55}50%{transform:translateY(-3px);opacity:1}}
/* Status-Badge */
.rs-status{position:absolute;left:14px;top:14px;z-index:8;font-family:var(--font-head);font-weight:800;
  font-size:.82rem;padding:.42rem .85rem;border-radius:999px;color:#fff;display:flex;align-items:center;gap:.4rem;
  box-shadow:var(--shadow-sm)}
.rs-scene.flooding .rs-status{background:#e23b2e}
.rs-scene.protected .rs-status{background:#1f9d55}
.rs-scene.flooding .rs-status::before{content:"⚠"}
.rs-scene.protected .rs-status::before{content:"✓"}
.rs-status .s-flood,.rs-status .s-safe{display:none}
.rs-scene.flooding .rs-status .s-flood{display:inline}
.rs-scene.protected .rs-status .s-safe{display:inline}
.rs-caption{margin-top:1rem;color:var(--muted);font-size:.95rem}
@media (prefers-reduced-motion:reduce){
  .rs-svg .rain line,.rs-svg .sewer-flow,.rs-svg .flood-arrows .arr{animation:none}
}
@media(max-width:560px){
  .rs-controls{display:flex;width:100%}.rs-controls button{flex:1;padding:.55rem .4rem}
}

/* ---------- Kunden-Logoleiste ---------- */
.logos-section{padding-top:clamp(2.4rem,5vw,3.4rem);padding-bottom:clamp(2.4rem,5vw,3.4rem)}
.logos-title{text-align:center;font-family:var(--font-head);font-weight:700;font-size:.8rem;
  letter-spacing:.14em;text-transform:uppercase;color:var(--muted);margin-bottom:1.7rem}
.logo-band{display:flex;flex-wrap:wrap;align-items:center;justify-content:center;
  gap:clamp(1.8rem,5vw,3.6rem)}
.logo-item{flex:0 0 auto}
.logo-item img{height:34px;width:auto;max-width:180px;object-fit:contain;
  filter:grayscale(1);opacity:.55;transition:.25s}
.logo-item img:hover{filter:grayscale(0);opacity:1}
html[data-theme="dark"] .logo-item img{filter:brightness(0) invert(1);opacity:.6}
html[data-theme="dark"] .logo-item img:hover{opacity:1}

/* ---------- Kleine Themen-Animationen (Leistungsseiten) ---------- */
.svc-anim .frame{background:#f3efe6;border:1px solid var(--line);border-radius:14px;overflow:hidden;
  max-width:620px;margin:0 auto}
.svc-anim svg{display:block;width:100%;height:auto}
.svc-cap{max-width:620px;margin:.85rem auto 0;color:var(--muted);font-size:.95rem;text-align:center}
/* Kanalbau */
.kb-flow{stroke-dasharray:14 12;animation:kb-flow 1s linear infinite}
@keyframes kb-flow{to{stroke-dashoffset:-26}}
.kb-soil{animation:kb-drop 3s ease-in-out infinite}
@keyframes kb-drop{0%{transform:translateY(-42px);opacity:0}28%,100%{transform:translateY(0);opacity:1}}
/* Kanalsanierung */
.san-liner{animation:san-liner 4.4s cubic-bezier(.4,0,.2,1) infinite}
@keyframes san-liner{0%,4%{transform:translateX(-464px)}55%,100%{transform:translateX(0)}}
.san-crack{animation:san-heal 4.4s ease-in-out infinite}
@keyframes san-heal{0%{opacity:1}100%{opacity:0}}
/* Kanalreinigung */
.cl-nozzle{animation:cl-move 4.4s cubic-bezier(.4,0,.2,1) infinite}
@keyframes cl-move{0%,4%{transform:translateX(0)}60%,100%{transform:translateX(360px)}}
.cl-spray{animation:cl-spray .45s linear infinite}
@keyframes cl-spray{0%{opacity:.25}50%{opacity:.95}100%{opacity:.25}}
.cl-dirt{animation:cl-clear 4.4s ease-in-out infinite}
@keyframes cl-clear{0%{opacity:1}100%{opacity:0}}
/* Kanal-TV */
.tv-crawler{animation:tv-move 5.5s ease-in-out infinite}
@keyframes tv-move{0%{transform:translateX(0)}50%{transform:translateX(286px)}100%{transform:translateX(0)}}
.tv-rec{animation:tv-rec 1s steps(1,end) infinite}
@keyframes tv-rec{0%,49%{opacity:1}50%,100%{opacity:.2}}
.tv-scan{animation:tv-scan 2.6s linear infinite}
@keyframes tv-scan{0%{transform:translateY(0)}100%{transform:translateY(58px)}}
@media (prefers-reduced-motion:reduce){.svc-anim *{animation:none!important}.san-crack{opacity:0}}

/* ---------- Premium-UX & Barrierefreiheit ---------- */
html{scroll-behavior:smooth}
.skip-link{position:fixed;top:-60px;left:12px;z-index:200;background:var(--brand);color:#fff;
  padding:.6rem 1rem;border-radius:0 0 10px 10px;font-weight:700;transition:top .2s}
.skip-link:focus{top:0;text-decoration:none}
#main{outline:none}
a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible,summary:focus-visible,
.theme-toggle:focus-visible{outline:3px solid var(--accent);outline-offset:2px;border-radius:6px}
.to-top{position:fixed;right:20px;bottom:20px;z-index:90;width:46px;height:46px;border-radius:50%;
  border:0;cursor:pointer;background:var(--brand);color:#fff;display:grid;place-items:center;
  box-shadow:var(--shadow);opacity:0;visibility:hidden;transform:translateY(10px);transition:.25s}
.to-top.show{opacity:1;visibility:visible;transform:none}
.to-top:hover{background:var(--brand-dark);transform:translateY(-2px)}
.to-top svg{width:20px;height:20px}
@media (max-width:720px){
  .to-top{width:42px;height:42px}
}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}

/* ---------- Reveal animation (nur mit aktiviertem JavaScript) ---------- */
html.js .reveal.in{opacity:1;transform:none}
html.js .reveal{opacity:0;transform:translateY(26px);transition:.7s cubic-bezier(.2,.7,.2,1)}
@media (prefers-reduced-motion:reduce){html.js .reveal{opacity:1;transform:none;transition:none}}

/* ---------- Responsive ---------- */
@media(max-width:980px){
  .split,.region,.contact-grid{grid-template-columns:1fr}
  .hero{min-height:auto;padding:clamp(3rem,12vw,4.5rem) 0}
  .gallery{grid-template-columns:1fr 1fr}
  .cards{grid-template-columns:1fr 1fr}
  .services{grid-template-columns:1fr 1fr}
  .stats{grid-template-columns:1fr 1fr}
  .notdienst{grid-template-columns:1fr;text-align:left}
}
@media(max-width:760px){
  .nav-links,.nav-cta .btn-ghost{display:none}
  .burger{display:block}
  .mobile-nav{position:fixed;inset:0 0 0 auto;width:min(86vw,360px);background:var(--card);z-index:70;
    transform:translateX(100%);transition:.3s;box-shadow:-20px 0 60px -20px rgba(0,0,0,.4);
    padding:5rem 1.5rem 2rem;display:flex;flex-direction:column;gap:.3rem;overflow-y:auto}
  .mobile-nav.open{transform:none}
  .mobile-nav a{font-family:var(--font-head);font-weight:600;color:var(--ink);padding:.85rem .6rem;
    border-bottom:1px solid var(--line)}
  .mobile-nav a.sub{padding-left:1.5rem;font-size:.95rem;color:var(--muted)}
  .mobile-nav .btn{margin-top:1rem;justify-content:center}
  .nav-backdrop{position:fixed;inset:0;background:rgba(20,24,45,.45);z-index:65;opacity:0;visibility:hidden;transition:.3s}
  .nav-backdrop.open{opacity:1;visibility:visible}
}
@media(max-width:560px){
  .cards,.services,.stats,.checklist{grid-template-columns:1fr}
  .form-row{grid-template-columns:1fr}
  .topbar .tag{display:none}
}
.mobile-nav{display:none}
@media(max-width:760px){.mobile-nav{display:flex}}