:root{
  --navy:#002d6c;--navy-2:#0a3f8f;--ink:#0b1530;--cyan:#0693e3;--cyan-soft:#e6f1fb;
  --ice:#f4f8fd;--line:#dbe5f1;--muted:#52607a;--ok:#0693e3;--white:#ffffff;
  --r-sm:10px;--r-md:16px;--r-lg:24px;--r-xl:32px;
  --shadow-sm:0 1px 2px rgba(10,63,143,.05), 0 4px 12px rgba(10,63,143,.04);
  --shadow-md:0 6px 20px rgba(10,63,143,.08), 0 2px 6px rgba(10,63,143,.04);
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{font-family:'Inter',system-ui,-apple-system,Segoe UI,sans-serif;font-feature-settings:'cv11','ss01','ss03';color:var(--ink);background:var(--white);line-height:1.55;-webkit-font-smoothing:antialiased}
a{color:var(--navy);text-decoration:none}
a:hover{color:var(--cyan)}
img{max-width:100%;display:block}
.wrap{max-width:1160px;margin:0 auto;padding:0 24px}

header.top{position:sticky;top:0;z-index:40;background:rgba(255,255,255,.85);backdrop-filter:saturate(1.2) blur(10px);border-bottom:1px solid var(--line)}
.top-inner{display:flex;align-items:center;justify-content:space-between;height:88px}
.brand{display:flex;align-items:center;gap:14px;color:var(--navy)}
.brand-img{height:52px;width:auto;display:block;flex-shrink:0}
.brand-divider{width:1px;height:36px;background:var(--line);flex-shrink:0}
.brand-tag-line{font-size:30px;font-weight:700;color:var(--navy);line-height:1.05;letter-spacing:-.02em}
.brand-tag-line small{display:block;font-size:13px;font-weight:600;color:var(--muted);text-transform:uppercase;letter-spacing:.14em;margin-top:5px}
nav.main{display:flex;gap:28px}
nav.main a{font-size:15px;color:var(--ink);font-weight:500}
nav.main a:hover{color:var(--navy)}

.btn{display:inline-flex;align-items:center;gap:8px;padding:11px 18px;border-radius:var(--r-md);font-weight:600;font-size:15px;transition:.2s;cursor:pointer;border:0}
.btn-primary{background:var(--navy);color:#fff;box-shadow:var(--shadow-sm)}
.btn-primary:hover{background:var(--navy-2);color:#fff;transform:translateY(-1px);box-shadow:var(--shadow-md)}
.btn-ghost{background:transparent;color:var(--navy);border:1px solid var(--line)}
.btn-ghost:hover{border-color:var(--navy)}
.btn-soft{background:var(--cyan-soft);color:var(--navy)}
.btn-soft:hover{background:#d6e7f6}

.d-hero{position:relative;overflow:hidden;background:radial-gradient(1100px 480px at 90% -10%, rgba(6,147,227,.16), transparent 60%),radial-gradient(800px 380px at -10% 110%, rgba(0,45,108,.10), transparent 70%),linear-gradient(180deg,#fbfdff 0%,var(--white) 100%);padding:56px 0 48px}
.breadcrumb{display:flex;align-items:center;gap:8px;font-size:14px;color:var(--muted);margin-bottom:24px}
.breadcrumb a{color:var(--muted)}
.breadcrumb a:hover{color:var(--navy)}
.breadcrumb .sep{opacity:.5}
.d-hero-grid{display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:center}

.product-title{margin:0 0 28px;display:flex;flex-direction:column;gap:6px}
.product-title small{font-size:13px;font-weight:600;letter-spacing:.18em;text-transform:uppercase;color:var(--cyan)}
.product-title h1{font-size:clamp(40px,5.4vw,56px);line-height:1.02;letter-spacing:-.03em;margin:0;color:var(--navy);font-weight:800}
.product-title .subtitle{font-size:18px;font-weight:500;color:var(--muted);letter-spacing:-.005em;margin-top:4px}
.product-title .badges{display:flex;gap:10px;flex-wrap:wrap;margin-top:10px}

.eyebrow{display:inline-flex;align-items:center;gap:8px;padding:6px 12px;border-radius:999px;background:var(--cyan-soft);color:var(--navy);font-size:13px;font-weight:600}
.eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--ok)}

.d-hero-actions{display:grid;grid-template-columns:repeat(2,1fr);gap:14px;max-width:480px;margin-bottom:14px}
.d-hero-actions .btn{justify-content:center;text-align:center;min-height:64px;padding:14px 22px;border-radius:var(--r-md)}
.d-quick{display:grid;grid-template-columns:repeat(2,1fr);gap:14px;max-width:480px;list-style:none;padding:0;margin:0}
.d-quick li{background:#fff;border:1px solid var(--line);border-radius:var(--r-md);padding:12px 14px;display:flex;flex-direction:column}
.d-quick li b{color:var(--navy);font-size:18px;font-weight:700;letter-spacing:-.01em;line-height:1.2}
.d-quick li span{color:var(--muted);font-size:12px;letter-spacing:.04em;text-transform:uppercase;margin-top:4px}

.d-visual{aspect-ratio:1/1;border-radius:var(--r-lg);position:relative;overflow:hidden;background:radial-gradient(circle at 30% 30%, rgba(6,147,227,.18), transparent 55%),radial-gradient(circle at 70% 80%, rgba(0,45,108,.12), transparent 60%),linear-gradient(135deg,#f4f8fd,#e6f1fb);border:1px solid var(--line);box-shadow:var(--shadow-md)}

.gallery{position:relative;display:flex;flex-direction:column;gap:14px;width:100%;height:100%}
.gallery-stage{position:relative;flex:1;border-radius:var(--r-lg);overflow:hidden;background:#fff;border:1px solid var(--line);min-height:340px;display:flex;align-items:center;justify-content:center;padding:24px}
.gallery-stage img{max-width:100%;max-height:100%;width:auto;height:auto;object-fit:contain;display:block;opacity:0;position:absolute;inset:24px;margin:auto;transition:opacity .25s ease;pointer-events:none}
.gallery-stage img.is-active{opacity:1;position:relative;inset:auto;pointer-events:auto;cursor:zoom-in}
.gallery-stage:has(img:only-child) img{opacity:1;position:relative;inset:auto;pointer-events:auto;cursor:zoom-in}
.gallery-arrow{position:absolute;top:50%;transform:translateY(-50%);width:40px;height:40px;border-radius:50%;background:rgba(255,255,255,.92);border:1px solid var(--line);display:grid;place-items:center;cursor:pointer;color:var(--navy);box-shadow:0 2px 8px rgba(0,45,108,.08);transition:.2s;z-index:2}
.gallery-arrow:hover{background:#fff;box-shadow:0 4px 16px rgba(0,45,108,.18)}
.gallery-arrow.prev{left:12px}
.gallery-arrow.next{right:12px}
.gallery-thumbs{display:flex;gap:10px;justify-content:center;flex-wrap:wrap}
.gallery-thumb{width:64px;height:64px;border-radius:10px;background:#fff;border:1px solid var(--line);cursor:pointer;padding:6px;transition:.2s;display:flex;align-items:center;justify-content:center}
.gallery-thumb img{max-width:100%;max-height:100%;object-fit:contain}
.gallery-thumb:hover{border-color:var(--cyan)}
.gallery-thumb.is-active{border-color:var(--cyan);box-shadow:0 0 0 2px rgba(6,147,227,.18)}
.gallery-count{position:absolute;top:12px;right:12px;font-size:11px;color:var(--muted);background:rgba(255,255,255,.9);padding:3px 8px;border-radius:999px;letter-spacing:.04em;z-index:2}

section{padding:56px 0}
.section-head{max-width:720px;margin:0 auto 32px;text-align:center}
.section-head .eyebrow{margin-bottom:14px}
h2{font-size:clamp(28px,3.5vw,38px);line-height:1.1;letter-spacing:-.02em;margin:0 0 12px;color:var(--navy);font-weight:700}
.section-head p{color:var(--muted);font-size:17px;margin:0}

/* --- Spec-Master (eine Akkordeon-Box, saubere Tabelle innen) --- */
.spec-master{max-width:480px;margin:18px 0 0;background:#fff;border:1px solid var(--line);border-radius:var(--r-md);overflow:hidden}
.spec-master summary{cursor:pointer;list-style:none;padding:14px 18px;font-weight:600;color:var(--navy);font-size:15px;display:flex;justify-content:space-between;align-items:center;transition:.2s}
.spec-master summary::-webkit-details-marker{display:none}
.spec-master-icon{font-size:22px;color:var(--cyan);font-weight:400;line-height:1;display:inline-block;width:1em;text-align:center}
.spec-master[open] summary{background:var(--cyan-soft);border-bottom:1px solid var(--line)}
.spec-master[open] .spec-master-icon::before{content:"−"}
.spec-master:not([open]) .spec-master-icon::before{content:"+"}
.spec-master .spec-table{padding:8px 18px 16px}
.spec-master .spec-section{margin-top:18px}
.spec-master .spec-section:first-child{margin-top:6px}
.spec-master .spec-section-head{font-size:11px;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:var(--cyan);padding:14px 0 8px;border-bottom:2px solid var(--cyan-soft)}
.spec-master table{width:100%;border-collapse:collapse;font-size:14px}
.spec-master tbody tr{border-bottom:1px solid var(--line)}
.spec-master tbody tr:last-child{border-bottom:0}
.spec-master th{text-align:left;width:160px;font-weight:600;color:var(--ink);padding:12px 14px 12px 0;vertical-align:top;font-size:13.5px}
.spec-master td{color:var(--muted);padding:12px 0;line-height:1.5;font-size:13.5px}
.spec-master td a{color:var(--cyan);font-weight:600;text-decoration:none}
.spec-master td a:hover{color:var(--navy)}
@media (max-width:640px){.spec-master th{width:auto;display:block;padding-bottom:2px}.spec-master td{display:block;padding-top:0;padding-bottom:12px}}

/* Download-Link unter Spec-Master */
.spec-download{max-width:480px;margin:10px 0 0;display:flex;align-items:center;justify-content:center;gap:8px;padding:12px 18px;background:#fff;border:1px dashed var(--line);border-radius:var(--r-md);font-size:13.5px;font-weight:600;color:var(--navy);text-decoration:none;transition:.2s}
.spec-download:hover{border-color:var(--cyan);color:var(--cyan);background:var(--cyan-soft)}
.spec-download svg{flex-shrink:0;color:var(--cyan)}

.spec-accordion{max-width:840px;margin:0 auto;display:flex;flex-direction:column;gap:10px}
.spec-group{background:#fff;border:1px solid var(--line);border-radius:var(--r-md);overflow:hidden}
.spec-group summary{cursor:pointer;list-style:none;padding:18px 22px;font-weight:600;color:var(--navy);font-size:16px;display:flex;justify-content:space-between;align-items:center;transition:.2s}
.spec-group summary::-webkit-details-marker{display:none}
.spec-group summary::after{content:"+";font-size:22px;font-weight:400;color:var(--cyan);transition:.2s;line-height:1}
.spec-group[open] summary{background:var(--cyan-soft)}
.spec-group[open] summary::after{content:"−"}
.spec-body{padding:6px 22px 18px}
.spec-body > div{display:grid;grid-template-columns:180px 1fr;gap:14px;padding:10px 0;border-bottom:1px dashed var(--line);font-size:14px;align-items:start}
.spec-body > div:last-child{border-bottom:0}
.spec-body b{color:var(--ink);font-weight:600}
.spec-body span{color:var(--muted)}

.cta-banner{background:linear-gradient(135deg,var(--navy) 0%,#001a44 100%);color:#fff;border-radius:var(--r-xl);padding:48px;display:grid;grid-template-columns:1.4fr 1fr;gap:32px;align-items:center}
.cta-banner h2{color:#fff;margin:0 0 8px}
.cta-banner p{color:rgba(255,255,255,.78);margin:0;font-size:16px}
.cta-actions{display:flex;flex-direction:column;gap:10px}
.cta-actions .btn{justify-content:center}
.cta-actions .btn-primary{background:#fff;color:var(--navy)}
.cta-actions .btn-primary:hover{background:var(--cyan-soft)}
.cta-actions .btn-ghost{color:#fff;border-color:rgba(255,255,255,.3)}
.cta-actions .btn-ghost:hover{color:#fff;border-color:rgba(255,255,255,.7)}

footer{background:var(--ink);color:rgba(255,255,255,.8);padding:48px 0 24px}
.foot-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:32px}
footer h4{color:#fff;font-size:14px;margin:0 0 14px;letter-spacing:.05em;text-transform:uppercase}
footer a{color:rgba(255,255,255,.75);display:block;padding:4px 0;font-size:14px}
footer a:hover{color:var(--cyan)}
.foot-bottom{border-top:1px solid rgba(255,255,255,.1);margin-top:40px;padding-top:20px;display:flex;justify-content:space-between;font-size:13px;color:rgba(255,255,255,.55)}

.lightbox{position:fixed;inset:0;z-index:100;background:rgba(8,16,40,.92);display:none;align-items:center;justify-content:center;padding:40px}
.lightbox.is-open{display:flex;animation:lb-fade .2s ease}
.lightbox-img{max-width:96vw;max-height:92vh;width:auto;height:auto;display:block;border-radius:8px;box-shadow:0 30px 80px rgba(0,0,0,.5);cursor:zoom-out}
.lightbox-close{position:absolute;top:20px;right:24px;width:44px;height:44px;border-radius:50%;background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.2);color:#fff;display:grid;place-items:center;cursor:pointer;backdrop-filter:blur(6px);font-size:24px;line-height:1}
.lightbox-close:hover{background:rgba(255,255,255,.22)}
@keyframes lb-fade{from{opacity:0}to{opacity:1}}

.reveal{opacity:0;transform:translateY(14px);transition:opacity .6s ease,transform .6s ease}
.reveal.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){.reveal{opacity:1;transform:none;transition:none}}

@media (max-width:900px){
  nav.main{display:none}
  .d-hero-grid{grid-template-columns:1fr;gap:36px}
  .d-quick{max-width:none}
  .spec-body > div{grid-template-columns:1fr;gap:2px}
  .cta-banner{grid-template-columns:1fr;padding:32px}
  .foot-grid{grid-template-columns:1fr 1fr}
  section{padding:44px 0}
}