:root{
  --primary:#3AA8D8;
  --primary-dark:#2A86B0;
  --coral:#FF6E5A;
  --teal:#53C2BB;
  --ink:#0A2117;
  --ink-soft:#4A4A4A;
  --bg:#ffffff;
  --bg-soft:#F2F7F6;
  --bg-softer:#FBFCFC;
  --border:#E6F0EE;
  --radius:14px;
  --shadow:0 10px 30px rgba(10,33,23,.08);
  --font-display:"Staatliches", sans-serif;
  --font-body:"Noto Sans", sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:var(--font-body);color:var(--ink);background:var(--bg);line-height:1.6;overflow-x:hidden}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
h1,h2,h3,h4{font-family:var(--font-display);letter-spacing:.02em;line-height:1.15;margin:0 0 .5em}
h1{font-size:clamp(34px,5vw,58px)}
h2{font-size:clamp(26px,3.4vw,38px)}
h3{font-size:20px}
h4{font-size:17px;font-family:var(--font-body);font-weight:700}
p{margin:0 0 1em}
ul{margin:0;padding:0;list-style:none}
.container{max-width:1180px;margin:0 auto;padding:0 24px}
.center{text-align:center}
.kicker{font-family:var(--font-display);letter-spacing:.12em;color:var(--primary-dark);font-size:14px;margin:0 0 .4em}

.btn{display:inline-block;padding:14px 30px;border-radius:999px;font-weight:600;font-size:15px;transition:transform .2s ease,box-shadow .2s ease,background .2s ease;border:2px solid transparent;cursor:pointer}
.btn-primary{background:var(--primary);color:#fff}
.btn-primary:hover{background:var(--primary-dark);transform:translateY(-2px);box-shadow:0 8px 20px rgba(58,168,216,.35)}
.btn-outline{background:transparent;color:var(--primary-dark);border-color:var(--primary)}
.btn-outline:hover{background:var(--primary);color:#fff;transform:translateY(-2px)}

/* header */
.site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.92);backdrop-filter:blur(8px);border-bottom:1px solid var(--border)}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:14px 24px}
.logo img{height:34px;width:auto}
.main-nav{display:flex;gap:24px;flex-wrap:wrap}
.main-nav a{font-weight:600;font-size:14px;color:var(--ink-soft)}
.main-nav a:hover{color:var(--primary-dark)}
.header-actions{display:flex;align-items:center;gap:12px;flex-shrink:0}
.lang-switcher{font-family:var(--font-body);font-size:13px;padding:8px 10px;border-radius:8px;border:1px solid var(--border);background:#fff;color:var(--ink)}
.header-cta{padding:10px 20px;font-size:14px}
.burger{display:none;background:none;border:none;font-size:22px;cursor:pointer}

/* hero */
.hero{background:linear-gradient(180deg,var(--bg-soft) 0%,#fff 100%);padding:56px 0 40px}
.hero-inner{display:flex;align-items:center;gap:40px}
.hero-text{flex:1;min-width:280px}
.hero-sub{font-size:19px;color:var(--ink-soft);max-width:440px}
.hero-visual{flex:1;min-width:260px;display:flex;justify-content:center}
.hero-visual img{width:100%;max-width:380px;height:auto;aspect-ratio:1/1;object-fit:contain;filter:drop-shadow(0 20px 40px rgba(10,33,23,.18))}

/* seo block */
.seo-block{padding:20px 0 10px}
.seo-block h2{max-width:760px}
.seo-block p{max-width:760px;color:var(--ink-soft);font-size:17px}

/* usp */
.usp-section{padding:50px 0}
.usp-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.usp-card{border-radius:var(--radius);padding:28px;color:#fff;background:var(--card-grad);box-shadow:var(--shadow)}
.usp-kicker{font-family:var(--font-display);letter-spacing:.04em;font-size:22px;margin-bottom:.3em}
.usp-card h4{color:#fff}
.usp-card ul{margin:14px 0}
.usp-card li{position:relative;padding-left:18px;margin-bottom:8px;font-size:14.5px;opacity:.95}
.usp-card li::before{content:"•";position:absolute;left:0;font-weight:700}
.usp-tag{font-style:italic;font-size:14px;opacity:.9;margin:10px 0 0}

/* color section */
.color-section{padding:50px 0;background:var(--bg-soft)}
.color-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:26px;margin-top:30px}
.color-card{background:#fff;border-radius:var(--radius);padding:20px;text-align:center;box-shadow:var(--shadow);transition:transform .25s ease,box-shadow .25s ease}
.color-card:hover{transform:translateY(-6px);box-shadow:0 16px 34px rgba(10,33,23,.14)}
.color-card img{border-radius:10px;margin-bottom:14px;aspect-ratio:1/1;object-fit:cover}
.color-card h3{margin-bottom:12px}

/* zigzag */
.zigzag-section{padding:50px 0}
.zigzag-row{display:flex;align-items:center;gap:50px;margin-bottom:60px}
.zigzag-row.reverse{flex-direction:row-reverse}
.zigzag-img,.zigzag-text{flex:1;min-width:280px}
.zigzag-img img{width:100%;height:auto;aspect-ratio:1/1;object-fit:cover;border-radius:var(--radius);box-shadow:var(--shadow)}
.controls-list{margin-top:16px;display:grid;gap:10px}
.controls-list li{display:flex;flex-direction:column;padding:10px 14px;background:var(--bg-soft);border-radius:10px}
.controls-list strong{font-size:14.5px;color:var(--primary-dark)}
.controls-list span{font-size:13.5px;color:var(--ink-soft)}

/* specs */
.specs-section{padding:50px 0;background:var(--bg-softer)}
.specs-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:20px;margin-top:30px}
.spec-group{background:#fff;border-radius:var(--radius);padding:22px;box-shadow:var(--shadow)}
.spec-group table{width:100%;border-collapse:collapse}
.spec-group tr{border-bottom:1px solid var(--border)}
.spec-group tr:last-child{border-bottom:none}
.spec-group th,.spec-group td{text-align:left;padding:8px 0;font-size:14px;font-weight:400}
.spec-group th{color:var(--ink-soft);font-weight:600;width:55%}

/* faq */
.faq-section{padding:50px 0}
.faq-list{max-width:800px;margin:30px auto 0}
.faq-item{border-bottom:1px solid var(--border)}
.faq-q{width:100%;text-align:left;background:none;border:none;padding:18px 4px;font-family:var(--font-body);font-size:16px;font-weight:600;cursor:pointer;display:flex;justify-content:space-between;align-items:center;gap:12px;color:var(--ink)}
.faq-icon{font-size:20px;color:var(--primary-dark);transition:transform .25s ease}
.faq-item.open .faq-icon{transform:rotate(45deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .25s ease}
.faq-a p{padding:0 4px 18px;color:var(--ink-soft);font-size:14.5px}
.faq-item.open .faq-a{max-height:200px}

/* reviews */
.reviews-section{padding:50px 0;background:var(--bg-soft)}
.reviews-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:20px;margin-top:30px}
.review-card{background:#fff;border-radius:var(--radius);padding:22px;box-shadow:var(--shadow)}
.stars{color:#F5B301;letter-spacing:2px;margin-bottom:8px}
.review-card cite{font-style:normal;font-size:13.5px;color:var(--ink-soft);font-weight:600}

/* footer */
.site-footer{padding:36px 0;text-align:center;border-top:1px solid var(--border)}
.footer-logo{margin:0 auto 14px;opacity:.85}
.disclaimer{max-width:640px;margin:0 auto;font-size:11.5px;color:#9AA5A2}

/* reveal animation */
.reveal{opacity:0;transform:translateY(18px);transition:opacity .6s ease,transform .6s ease}
.reveal.in{opacity:1;transform:translateY(0)}

@media (max-width: 860px){
  .main-nav{position:absolute;top:100%;left:0;right:0;background:#fff;flex-direction:column;padding:14px 24px;border-bottom:1px solid var(--border);display:none;gap:14px}
  .main-nav.open{display:flex}
  .burger{display:block}
  .header-actions .lang-switcher{max-width:120px}
  .usp-grid{grid-template-columns:1fr}
  .zigzag-row,.zigzag-row.reverse{flex-direction:column}
  .hero-inner{flex-direction:column;text-align:center}
  .hero-text{display:flex;flex-direction:column;align-items:center}
}
@media (max-width:480px){
  .header-inner{flex-wrap:wrap}
  .header-actions{order:3;width:100%;justify-content:space-between}
}