/* Haus der Technik 1A – Grundlayout */
:root{--ink:#111111;--ink-2:#1B1E24;--red:#C1272D;--red-d:#9E1C22;--bg:#F4F4F5;--card:#FFFFFF;--line:#E4E4E7;--muted:#5A6170;--body:#3D4350;--radius:18px;--shadow:0 1px 2px rgba(17,17,17,.04),0 8px 24px rgba(17,17,17,.06)}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--ink);font-family:Inter,system-ui,sans-serif;line-height:1.55;-webkit-font-smoothing:antialiased}
img{max-width:100%}
a{color:var(--red)}a:hover{color:var(--red-d)}
:focus-visible{outline:2px solid var(--red);outline-offset:2px}
.wrap{max-width:1200px;margin:0 auto;padding:0 24px}
.display{font-family:'Barlow Condensed',sans-serif;font-weight:800;letter-spacing:-.2px}
.eyebrow{display:inline-block;font-size:12px;font-weight:700;color:var(--red);text-transform:uppercase;letter-spacing:1.4px}
.skip{position:absolute;left:-9999px}.skip:focus{left:16px;top:12px;z-index:100;background:#fff;padding:10px 14px;border-radius:8px}
h1,h2,h3{margin:0}
h2.display{font-size:clamp(32px,4vw,44px);line-height:1.05}
.lead{margin:0;font-size:18px;color:var(--body);max-width:620px}

/* Buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:48px;padding:12px 22px;border-radius:12px;font-weight:600;font-size:15px;text-decoration:none;border:2px solid transparent;cursor:pointer;font-family:inherit;transition:background .15s,border-color .15s,transform .15s}
.btn:active{transform:translateY(1px)}
.btn-dark{background:var(--ink);color:#fff}.btn-dark:hover{background:#2B2F36;color:#fff}
.btn-red{background:var(--red);color:#fff}.btn-red:hover{background:var(--red-d);color:#fff}
.btn-line{background:#fff;color:var(--ink);border-color:var(--ink)}.btn-line:hover{color:var(--ink);background:#F4F4F5}
.btn-ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.4)}.btn-ghost:hover{color:#fff;border-color:#fff}
.btn-sm{min-height:42px;padding:8px 16px;font-size:14px;border-radius:999px}
.row{display:flex;flex-wrap:wrap;gap:12px}

/* Kopfzeile */
.site-header{position:sticky;top:0;z-index:40;background:rgba(255,255,255,.92);backdrop-filter:saturate(180%) blur(10px);-webkit-backdrop-filter:saturate(180%) blur(10px);border-bottom:1px solid var(--line)}
.hdr{display:flex;align-items:center;gap:24px;min-height:76px}
.brand{display:flex;align-items:center;flex:0 0 auto}
.brand img{height:56px;width:auto;display:block}
.main-nav{display:flex;align-items:center;gap:4px;margin-left:8px}
.main-nav a{color:var(--ink);text-decoration:none;font-weight:500;font-size:15px;padding:10px 14px;border-radius:10px}
.main-nav a:hover{background:#F4F4F5;color:var(--ink)}
.main-nav a[aria-current=page]{color:var(--red);font-weight:600}
.hdr-actions{margin-left:auto;display:flex;align-items:center;gap:10px}
.cart-btn{position:relative;display:inline-flex;align-items:center;gap:8px;min-height:42px;padding:0 14px;border-radius:999px;border:1px solid var(--line);background:#fff;color:var(--ink);font:600 14px Inter,sans-serif;cursor:pointer}
.cart-btn:hover{border-color:var(--ink)}
.cart-btn .n{min-width:20px;height:20px;border-radius:999px;background:var(--red);color:#fff;font-size:11px;display:inline-flex;align-items:center;justify-content:center;padding:0 6px}
.menu-btn{display:none;width:44px;height:44px;border-radius:10px;border:1px solid var(--line);background:#fff;cursor:pointer;align-items:center;justify-content:center}
@media (max-width:960px){
  .menu-btn{display:inline-flex}
  .hdr-actions .btn-red{display:none}
  .main-nav{position:absolute;left:0;right:0;top:100%;flex-direction:column;align-items:stretch;gap:0;margin:0;background:#fff;border-bottom:1px solid var(--line);padding:8px 16px 16px;display:none;box-shadow:var(--shadow)}
  .main-nav.open{display:flex}
  .main-nav a{padding:14px 12px;border-radius:10px;font-size:16px}
  .cart-btn .lbl{display:none}
  .brand img{height:48px}
}

/* Seitenkopf */
.page-hero{background:var(--ink);color:#fff;position:relative;overflow:hidden}
.page-hero::after{content:"";position:absolute;right:-120px;top:-120px;width:360px;height:360px;border-radius:50%;background:var(--red);opacity:.16}
.page-hero .wrap{position:relative;z-index:1;padding-top:56px;padding-bottom:56px;display:flex;flex-direction:column;gap:14px}
.page-hero h1{font-family:'Barlow Condensed',sans-serif;font-weight:800;font-size:clamp(40px,6vw,64px);line-height:1;text-transform:uppercase}
.page-hero p{margin:0;font-size:18px;color:#C3C9D3;max-width:640px}
.crumbs{font-size:13px;color:#A3ABB8}.crumbs a{color:#A3ABB8;text-decoration:none}.crumbs a:hover{color:#fff}

/* Abschnitte */
.section{padding-top:80px;padding-bottom:80px}
.section-head{display:flex;flex-wrap:wrap;justify-content:space-between;align-items:flex-end;gap:16px;margin-bottom:32px}
.section-head > div{display:flex;flex-direction:column;gap:8px}
.bg-white{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.bg-dark{background:var(--ink);color:#E9ECF1}

/* Startseite: Hero */
.hero{display:grid;grid-template-columns:minmax(0,1.1fr) minmax(0,.9fr);gap:48px;align-items:center;padding-top:64px;padding-bottom:64px}
.hero h1{font-family:'Barlow Condensed',sans-serif;font-weight:800;font-size:clamp(46px,6.4vw,80px);line-height:.96;text-transform:uppercase;letter-spacing:-.5px}
.hero h1 span{color:var(--red)}
.hero-text{display:flex;flex-direction:column;gap:22px}
.pill{align-self:flex-start;display:inline-flex;align-items:center;gap:8px;background:#fff;border:1px solid var(--line);border-radius:999px;padding:7px 14px;font-size:13px;font-weight:600;color:var(--body)}
.pill i{width:8px;height:8px;border-radius:50%;background:#16A34A;display:inline-block}
.hero-visual{position:relative;background:#fff;border-radius:28px;box-shadow:var(--shadow);padding:28px;aspect-ratio:1/1;display:flex;align-items:center;justify-content:center}
.hero-visual img{max-height:100%;object-fit:contain}
.hero-badge{position:absolute;background:var(--ink);color:#fff;border-radius:16px;padding:12px 16px;box-shadow:var(--shadow);display:flex;flex-direction:column;line-height:1.2}
.hero-badge b{font-family:'Barlow Condensed',sans-serif;font-size:26px}
.hero-badge span{font-size:12px;color:#C3C9D3}
.hero-badge.b1{left:-18px;bottom:36px}
.hero-badge.b2{right:-14px;top:30px;background:var(--red)}
.hero-badge.b2 span{color:#fff;opacity:.85}
@media (max-width:900px){.hero{grid-template-columns:1fr;padding-top:40px}.hero-visual{max-width:440px;width:100%;margin:0 auto}.hero-badge.b1{left:8px}.hero-badge.b2{right:8px}}

/* Vorteile */
.usp .wrap{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:24px;padding-top:26px;padding-bottom:26px}
.usp .item{display:flex;gap:12px;align-items:center}
.usp svg{flex:0 0 28px}
.usp strong{display:block;font-size:15px}.usp small{display:block;font-size:13px;color:var(--muted)}
@media (max-width:900px){.usp .wrap{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (max-width:480px){.usp .wrap{grid-template-columns:1fr}}

/* Einstiegs-Kacheln */
.paths{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}
.path{border-radius:24px;padding:36px;display:flex;flex-direction:column;gap:14px;min-height:300px;text-decoration:none;position:relative;overflow:hidden;transition:transform .2s,box-shadow .2s}
.path:hover{transform:translateY(-3px);box-shadow:0 16px 40px rgba(17,17,17,.14)}
.path h3{font-family:'Barlow Condensed',sans-serif;font-weight:800;font-size:40px;line-height:1;text-transform:uppercase}
.path p{margin:0;font-size:16px;max-width:380px}
.path ul{margin:0;padding:0;list-style:none;display:flex;flex-direction:column;gap:6px;font-size:15px}
.path li::before{content:"✓";font-weight:700;margin-right:8px}
.path .go{margin-top:auto;font-weight:700;display:inline-flex;align-items:center;gap:8px}
.path-buy{background:var(--ink);color:#fff}.path-buy:hover{color:#fff}.path-buy p,.path-buy ul{color:#C3C9D3}.path-buy li::before{color:var(--red)}
.path-sell{background:var(--red);color:#fff}.path-sell:hover{color:#fff}.path-sell p,.path-sell ul{color:#FFE4E4}
@media (max-width:800px){.paths{grid-template-columns:1fr}.path{min-height:0;padding:28px}}

/* Schritte */
.steps3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;counter-reset:s}
.step3{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px;display:flex;flex-direction:column;gap:8px}
.step3 b.num{width:44px;height:44px;border-radius:12px;background:var(--red);color:#fff;display:flex;align-items:center;justify-content:center;font-family:'Barlow Condensed',sans-serif;font-size:22px;margin-bottom:6px}
.step3 h3{font-size:18px}
.step3 p{margin:0;color:var(--body);font-size:15px}
.bg-dark .step3{background:#1B1E24;border-color:#2B2F36}.bg-dark .step3 p{color:#A3ABB8}.bg-dark .step3 h3{color:#fff}
@media (max-width:800px){.steps3{grid-template-columns:1fr}}

/* Karten / Raster (Shop) */
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:20px}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;display:flex;flex-direction:column;transition:box-shadow .2s,transform .2s}
.card:hover{box-shadow:var(--shadow);transform:translateY(-2px)}
.card .img{position:relative;display:flex;align-items:center;justify-content:center}
.card .badge{position:absolute;top:14px;left:14px;background:#fff;border-radius:999px;padding:5px 11px;font-size:12px;font-weight:700;z-index:1}
.card .body{padding:20px;display:flex;flex-direction:column;gap:6px;flex-grow:1}
.card .spec{font-size:13px;color:var(--muted)}
.filters{display:flex;flex-wrap:wrap;gap:8px}
.filters button{min-height:42px;padding:0 18px;border-radius:999px;font-size:14px;font-weight:600;cursor:pointer;background:#fff;color:var(--ink);border:1px solid #D4D4D8;font-family:inherit}
.filters button[aria-pressed=true]{background:var(--ink);color:#fff;border-color:var(--ink)}
.center{display:flex;justify-content:center;margin-top:32px}

/* Formulare (Preisrechner) */
.f{display:flex;flex-direction:column;gap:6px}
.f label,.f legend{font-size:14px;font-weight:600}
.f input,.f select,.f textarea{min-height:48px;border:1px solid #D4D4D8;border-radius:10px;padding:10px 12px;font-size:16px;font-family:inherit;background:#fff;color:var(--ink);width:100%}
.f textarea{min-height:88px;resize:vertical}
.f input:focus,.f select:focus,.f textarea:focus{outline:2px solid var(--red);outline-offset:1px;border-color:transparent}
fieldset.f{border:0;padding:0;margin:0}
.cond{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px}
.cond label{position:relative}
.cond input{position:absolute;opacity:0;width:1px;height:1px}
.cond span{display:flex;align-items:center;justify-content:center;text-align:center;min-height:46px;padding:4px 8px;border-radius:10px;border:1px solid #D4D4D8;font-size:14px;font-weight:600;cursor:pointer;background:#fff}
.cond input:checked+span{background:var(--red);border-color:var(--red);color:#fff}
.cond input:focus-visible+span{outline:2px solid var(--ink);outline-offset:2px}
.err{color:#B3261E;font-size:13px}
.two{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}
@media (max-width:520px){.two{grid-template-columns:1fr}}
form.calc{background:#fff;color:var(--ink);border-radius:24px;padding:32px;display:flex;flex-direction:column;box-shadow:0 20px 60px rgba(0,0,0,.25)}
form.calc h3{font-family:'Barlow Condensed',sans-serif;font-weight:800;font-size:30px}
form.calc .btn{min-height:56px;font-size:17px}
.note{font-size:13px;color:var(--muted);text-align:center}
.done{text-align:center;padding:40px 8px}
@media (max-width:520px){form.calc{padding:22px 18px;border-radius:18px}}

/* Ankauf-Seite */
.sell-layout{display:grid;grid-template-columns:minmax(0,.85fr) minmax(0,1.15fr);gap:48px;align-items:start}
.sell-aside{position:sticky;top:110px;display:flex;flex-direction:column;gap:22px}
.sell-aside h2{color:#fff}
.sell-aside p{margin:0;color:#C3C9D3;font-size:17px}
.check-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:12px}
.check-list li{display:flex;gap:12px;align-items:flex-start;color:#E9ECF1}
.check-list li::before{content:"";flex:0 0 22px;height:22px;border-radius:50%;background:var(--red) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='white' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M6 12l4 4 8-8'/%3E%3C/svg%3E") center/14px no-repeat;margin-top:1px}
@media (max-width:960px){.sell-layout{grid-template-columns:1fr}.sell-aside{position:static}}

/* FAQ */
.faq{display:flex;flex-direction:column;gap:10px;max-width:860px}
.faq details{background:#fff;border:1px solid var(--line);border-radius:14px;padding:0 20px}
.faq summary{cursor:pointer;font-weight:600;padding:18px 0;list-style:none;display:flex;justify-content:space-between;gap:16px}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";font-size:22px;line-height:1;color:var(--red)}
.faq details[open] summary::after{content:"–"}
.faq p{margin:0 0 18px;color:var(--body)}

/* eBay-Band / CTA */
.cta-band{background:#fff;border:1px solid var(--line);border-radius:24px;padding:36px 40px;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:24px;box-shadow:var(--shadow)}
.cta-band h2{font-size:30px}
.cta-band p{margin:6px 0 0;color:var(--body);max-width:640px}

/* Kontakt / Rechtliches */
.info-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:20px}
.info-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px;display:flex;flex-direction:column;gap:8px}
.info-card h3{font-size:18px}
.info-card p{margin:0;color:var(--body)}
.legal{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:32px;display:flex;flex-direction:column;gap:28px;max-width:860px}
.legal h2{font-size:28px}
.legal p{margin:8px 0 0;color:var(--body)}

/* Fußzeile */
.site-footer{background:#fff;border-top:1px solid var(--line);margin-top:0}
.foot{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:32px;padding-top:56px;padding-bottom:40px;font-size:15px}
.foot img{height:96px;width:auto;display:block}
.foot p{margin:12px 0 0;color:var(--body);max-width:280px}
.foot strong{display:block;margin-bottom:10px;font-size:14px;text-transform:uppercase;letter-spacing:1px}
.foot a,.foot span{display:block;color:var(--body);text-decoration:none;margin-bottom:8px}
.foot a:hover{color:var(--red)}
.copy{border-top:1px solid var(--line);padding-top:20px;padding-bottom:28px;font-size:13px;color:var(--muted);display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px}
@media (max-width:900px){.foot{grid-template-columns:1fr 1fr}}
@media (max-width:520px){.foot{grid-template-columns:1fr}}
/* Kopfzeile kompakt */
.main-nav a,.btn,.cart-btn{white-space:nowrap}
@media (max-width:1140px){.hdr-actions .btn-red{display:none}.hdr{gap:16px}.main-nav a{padding:10px 10px}}

/* Bewertungs-Kennzahlen nebeneinander */
.rev-head{align-items:flex-end}
.rev-head .rev-stats{display:flex !important;flex-direction:row !important;flex-wrap:wrap;gap:28px;grid-template-columns:none}
.rev-head .rev-stats > div{max-width:170px}