:root{
  --bg:#ffffff;
  --bg-soft:#f6f7f8;
  --text:#121212;
  --muted:#5a5f66;
  --line:#e6e8eb;
  --brand:#c8102e;
  --brand-dark:#9f0d24;
  --brand-soft:#fff1f3;
  --shadow:0 18px 50px rgba(12,18,28,.08);
  --radius:18px;
  --max:1240px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:Inter,Segoe UI,Arial,sans-serif;color:var(--text);background:var(--bg);line-height:1.55}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
.container{width:min(calc(100% - 32px),var(--max));margin:0 auto}
.topbar{background:#111;color:#fff;font-size:.9rem}
.topbar .container{display:flex;justify-content:space-between;gap:16px;padding:8px 0;flex-wrap:wrap}
.topbar a{opacity:.9}
header{position:sticky;top:0;z-index:40;background:rgba(255,255,255,.96);backdrop-filter:saturate(180%) blur(10px);border-bottom:1px solid var(--line);box-shadow:0 8px 30px rgba(15,22,32,.04)}
.nav{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:14px 0}
.brand{display:flex;align-items:center;gap:14px;font-weight:800;min-width:0}
.brand-logo{width:280px;max-width:48vw;height:auto;display:block;filter:drop-shadow(0 6px 16px rgba(0,0,0,.08))}
.brand-text{display:none}
.brand small{display:block;font-weight:600;color:var(--muted);font-size:.75rem;letter-spacing:.04em;text-transform:uppercase}
.menu{display:flex;gap:24px;align-items:center}
.menu a{font-weight:600;color:#2b2f35}
.menu a:hover,.menu a.active{color:var(--brand)}
.menu-toggle{display:none}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;padding:14px 22px;border-radius:999px;background:var(--brand);color:#fff;font-weight:700;border:1px solid var(--brand);transition:.2s ease;box-shadow:0 12px 30px rgba(200,16,46,.18)}
.btn:hover{background:var(--brand-dark);border-color:var(--brand-dark);transform:translateY(-1px)}
.btn.ghost{background:#fff;color:var(--text);border-color:var(--line);box-shadow:none}
.btn.ghost:hover{border-color:#cfd5db;color:var(--brand)}
.hero{position:relative;overflow:hidden;background:
linear-gradient(90deg, rgba(255,255,255,.95) 0%, rgba(255,255,255,.90) 42%, rgba(255,255,255,.24) 100%),
url('../img/ts21.gif') center/cover no-repeat;
min-height:760px;display:flex;align-items:center}
.hero::before{content:"";position:absolute;right:-80px;top:40px;width:min(42vw,520px);height:min(42vw,520px);background:url('../img/tersus-deutschland-logo.png') center/contain no-repeat;opacity:.08;pointer-events:none;filter:grayscale(100%)}
.hero::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 55%, rgba(255,255,255,.9));pointer-events:none}
.hero .container{position:relative;z-index:2;padding:70px 0}
.eyebrow{display:inline-flex;align-items:center;gap:10px;background:var(--brand-soft);border:1px solid #ffd3da;color:var(--brand);padding:10px 14px;border-radius:999px;font-weight:700;font-size:.9rem}
.hero h1{font-size:clamp(2.6rem,5vw,5rem);line-height:1.02;margin:20px 0 16px;max-width:760px}
.hero p{font-size:1.15rem;max-width:680px;color:#333b44}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-top:28px}
.hero-grid{display:grid;grid-template-columns:1.2fr .9fr;gap:22px;margin-top:40px}
.hero-panel{background:rgba(255,255,255,.92);border:1px solid #eceff2;backdrop-filter:blur(6px);padding:22px;border-radius:var(--radius);box-shadow:var(--shadow)}
.hero-panel h3{margin:0 0 10px;font-size:1.05rem}
.spec-badges{display:flex;flex-wrap:wrap;gap:10px;margin-top:12px}
.badge{padding:10px 12px;border-radius:999px;background:#fff;border:1px solid var(--line);font-weight:700;color:#3b4148;font-size:.93rem}
.section{padding:80px 0}
.section.alt{background:var(--bg-soft)}
.section-head{display:flex;justify-content:space-between;gap:24px;align-items:end;margin-bottom:28px;flex-wrap:wrap}
.section-head h2{font-size:clamp(2rem,4vw,3.1rem);line-height:1.05;margin:0}
.section-head p{max-width:700px;color:var(--muted);margin:0}
.grid{display:grid;gap:22px}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-4{grid-template-columns:repeat(4,1fr)}
.grid-2{grid-template-columns:repeat(2,1fr)}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow)}
.card-body{padding:24px}
.card h3,.card h4{margin:0 0 10px}
.card p{margin:0;color:var(--muted)}
.product-card{display:flex;flex-direction:column;height:100%}
.product-card .thumb{aspect-ratio:16/10;background:#edf1f4;overflow:hidden;position:relative}
.product-card .thumb img{width:100%;height:100%;object-fit:cover}
.product-card ul{padding-left:18px;color:#2e343a;margin:14px 0 0}
.product-card .thumb::after{content:"";position:absolute;inset:auto 14px 14px auto;width:92px;height:92px;background:url('../img/tersus-deutschland-logo.png') center/contain no-repeat;opacity:.18;pointer-events:none;mix-blend-mode:multiply}
.product-card .card-body{position:relative}
.product-card .card-body::before{content:"";display:block;width:54px;height:4px;border-radius:999px;background:var(--brand);margin-bottom:14px}

.kicker{font-size:.8rem;text-transform:uppercase;letter-spacing:.12em;color:var(--brand);font-weight:800;margin-bottom:8px}
.split{display:grid;grid-template-columns:1fr 1fr;gap:30px;align-items:center}
.split .media{border-radius:24px;overflow:hidden;box-shadow:var(--shadow)}
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.stat{padding:26px;border:1px solid var(--line);border-radius:20px;background:#fff}
.stat strong{display:block;font-size:2rem;color:var(--brand);line-height:1}
.stat span{display:block;color:var(--muted);margin-top:8px}
.feature-list{display:grid;gap:14px;margin-top:18px}
.feature{display:flex;gap:14px;align-items:flex-start;padding:16px 18px;border:1px solid var(--line);border-radius:18px;background:#fff}
.feature .dot{width:30px;height:30px;border-radius:999px;background:var(--brand-soft);color:var(--brand);display:grid;place-items:center;font-weight:800;flex:0 0 30px}
.band{padding:34px;border-radius:28px;background:linear-gradient(135deg,#111317,#2b0e14 55%, #5f1320 100%);color:#fff;box-shadow:var(--shadow);position:relative;overflow:hidden}
.band .btn.ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.3)}
.table-wrap{overflow:auto;border:1px solid var(--line);border-radius:18px;background:#fff;box-shadow:var(--shadow)}
table{width:100%;border-collapse:collapse;min-width:780px}
th,td{padding:16px 18px;text-align:left;border-bottom:1px solid var(--line);vertical-align:top}
th{background:#fbfbfc;font-size:.92rem;text-transform:uppercase;letter-spacing:.06em;color:#6a7078}
.timeline{display:grid;gap:16px}
.timeline .item{padding:18px 20px;border-left:4px solid var(--brand);background:#fff;border-radius:0 18px 18px 0;box-shadow:var(--shadow)}
.form-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
.field{display:grid;gap:8px}
label{font-weight:700}
input,textarea,select{width:100%;padding:14px 16px;border-radius:14px;border:1px solid #d9dee4;background:#fff;font:inherit}
textarea{min-height:150px;resize:vertical}
footer{background:#111317;color:#e7e7e8;padding:56px 0 28px}
.footer-grid{display:grid;grid-template-columns:1.2fr .9fr .9fr .9fr;gap:28px}
.footer-logo{width:220px;max-width:100%;height:auto;margin:0 0 12px}
footer h4{margin:0 0 12px}
footer p,footer a{color:#cfd3d8}
footer a:hover{color:#fff}
.footer-bottom{border-top:1px solid rgba(255,255,255,.12);margin-top:26px;padding-top:18px;color:#b7bcc4;font-size:.95rem}
.page-hero{padding:90px 0 50px;background:linear-gradient(180deg,#fff,#f8f9fb);position:relative;overflow:hidden}
.page-hero h1{font-size:clamp(2.5rem,5vw,4.4rem);line-height:1.02;margin:14px 0}
.breadcrumbs{color:var(--muted);font-size:.95rem}
.product-detail{padding:28px;border:1px solid var(--line);border-radius:24px;background:#fff;box-shadow:var(--shadow)}
.product-detail + .product-detail{margin-top:26px}
.product-detail .head{display:grid;grid-template-columns:1.05fr .95fr;gap:24px;align-items:center}
.product-detail .head img{border-radius:18px;aspect-ratio:16/10;object-fit:cover;width:100%}
.note{padding:18px 20px;border-radius:18px;background:var(--brand-soft);color:#71101f;border:1px solid #ffd6dd}
.news-list{display:grid;gap:18px}
.news-item{padding:24px;border:1px solid var(--line);border-radius:22px;background:#fff;box-shadow:var(--shadow)}
@media (max-width:1100px){
  .grid-4{grid-template-columns:repeat(2,1fr)}
  .hero-grid,.split,.product-detail .head,.footer-grid,.grid-3,.grid-2,.stats,.form-grid{grid-template-columns:1fr}
}
@media (max-width:820px){
  .brand-logo{width:170px;max-width:56vw}
  .menu-toggle{display:inline-flex;align-items:center;justify-content:center;width:44px;height:44px;border-radius:12px;border:1px solid var(--line);background:#fff}
  .menu{display:none;position:absolute;left:16px;right:16px;top:92px;background:#fff;border:1px solid var(--line);padding:16px;border-radius:18px;box-shadow:var(--shadow);flex-direction:column;align-items:flex-start}
  .menu.open{display:flex}
  .hero{min-height:auto}
  .hero .container{padding:40px 0 70px}
}

.page-hero::after{content:"";position:absolute;right:-80px;top:-20px;width:min(36vw,420px);height:min(36vw,420px);background:url('../img/tersus-deutschland-logo.png') center/contain no-repeat;opacity:.05;pointer-events:none}
.footer-brand{display:flex;align-items:center;gap:14px;margin-bottom:14px}
.footer-brand img{width:220px;max-width:100%;height:auto;display:block;filter:brightness(0) invert(1)}
.footer-brand-text{display:none}
.product-highlight{display:grid;grid-template-columns:1.15fr .85fr;gap:26px;align-items:center;padding:30px;border:1px solid var(--line);border-radius:28px;background:linear-gradient(135deg,#fff,#fbfbfc);box-shadow:var(--shadow);margin-bottom:30px}
.product-highlight-media{border-radius:22px;overflow:hidden;box-shadow:var(--shadow);position:relative}
.product-highlight-media::after{content:"";position:absolute;inset:auto 18px 18px auto;width:120px;height:120px;background:url('../img/tersus-deutschland-logo.png') center/contain no-repeat;opacity:.18;pointer-events:none}
.product-highlight h2{font-size:clamp(2rem,4vw,3.2rem);line-height:1.03;margin:8px 0 16px}
.product-highlight p{font-size:1.05rem;color:#39414a}
@media (max-width:1100px){.product-highlight{grid-template-columns:1fr}}
@media (max-width:820px){.brand-logo{width:200px;max-width:62vw}.footer-brand img{width:180px}.hero::before{width:250px;height:250px;right:-50px;top:90px}.page-hero::after{width:220px;height:220px;right:-70px}}


.spec-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:22px}
.spec-card{background:#fff;border:1px solid var(--line);border-radius:22px;box-shadow:var(--shadow);overflow:hidden}
.spec-card h3{margin:0;padding:18px 20px;border-bottom:1px solid var(--line);font-size:1.1rem}
.spec-card .inner{padding:0}
.spec-card table{min-width:0;width:100%}
.download-links{display:grid;gap:14px}
.product-hero-media img{width:100%;border-radius:22px;box-shadow:var(--shadow);aspect-ratio:16/10;object-fit:cover}
.product-nav{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px}
.product-nav a{padding:9px 12px;border:1px solid var(--line);border-radius:999px;background:#fff;font-weight:700;color:#343a42}
.product-nav a:hover{color:var(--brand);border-color:#f2b1be}
.overview-list{display:grid;gap:12px;margin:18px 0 0;padding:0;list-style:none}
.overview-list li{padding:14px 16px;border:1px solid var(--line);border-radius:16px;background:#fff}
.mini{font-size:.95rem;color:var(--muted)}
@media (max-width:1100px){.spec-grid{grid-template-columns:1fr}}